(* Created with the Wolfram Language for Students - Personal Use Only : www.wolfram.com *)
k4k4*((CA*(CA - 2*CF)*s1234)/(2*s12*s124) - (CA*(CA - 2*CF)*D*s1234)/
    (8*s12*s124) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s123*s124) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s123*s124) + (3*CA*(CA - 2*CF)*s1234)/(2*s123*s14) - 
   (5*CA*(CA - 2*CF)*D*s1234)/(8*s123*s14) + (CA*(CA - 2*CF)*D^2*s1234)/
    (16*s123*s14) + (2*CA*(CA - 2*CF)*s1234)/(s124*s14) - 
   (3*CA*(CA - 2*CF)*D*s1234)/(4*s124*s14) + (CA*(CA - 2*CF)*D^2*s1234)/
    (16*s124*s14) - (3*CA*(CA - 2*CF)*s1234*s13)/(4*s12*s123*s14) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(8*s12*s123*s14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s124*s14) - 
   (CA*(CA - 2*CF)*s1234)/(s134*s14) + (CA*(CA - 2*CF)*D*s1234)/
    (2*s134*s14) - (CA*(CA - 2*CF)*D^2*s1234)/(16*s134*s14) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s134*s14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s134*s14) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/
    (s124*s134*s14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13)/(s124*s134*s14) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s123*s124*s23) - (CA*(CA - 2*CF)*s1234*s13)/
    (4*s123*s14*s23) + (CA*(CA - 2*CF)*D*s1234*s13)/(8*s123*s14*s23) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(8*s124*s14*s23) - 
   (CA*(CA - 2*CF)*s12*s1234)/(2*s134*s14*s23) + (CA*(CA - 2*CF)*D*s12*s1234)/
    (8*s134*s14*s23) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23)/(s12*s124*s134) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23)/(s12*s124*s134) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s123*s124*s14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s123*s124*s14) + (24*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23)/(s123*s134*s14) - (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23)/(s123*s134*s14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s23)/(s123*s134*s14) + 
   (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s124*s134*s14) - 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s124*s134*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(s124*s134*s14) - (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23)/(s12*s123*s134*s14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23)/
    (s12*s123*s134*s14) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s123*s234) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s123*s234) + (16*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s124*s234) - (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s124*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/
    (s12*s123*s234) - (16*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234)/(s134*s14*s234) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234)/(s134*s14*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D^2*s12*s1234)/(s134*s14*s234) + (CA*(CA - 2*CF)*s1234)/(2*s23*s234) - 
   (CA*(CA - 2*CF)*D*s1234)/(8*s23*s234) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s134*s23*s234) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s134*s23*s234) + (CA*(CA - 2*CF)*s12*s1234)/(s14*s23*s234) - 
   (CA*(CA - 2*CF)*D*s12*s1234)/(2*s14*s23*s234) + 
   (CA*(CA - 2*CF)*D^2*s12*s1234)/(16*s14*s23*s234) + 
   (CA*(CA - 2*CF)*s1234*s13*s24)/(4*s12*s124*s14*s23) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s124*s23*s234) + (3*CA*(CA - 2*CF)*s1234)/(2*s123*s34) - 
   (5*CA*(CA - 2*CF)*D*s1234)/(8*s123*s34) + (CA*(CA - 2*CF)*D^2*s1234)/
    (16*s123*s34) - (CA*(CA - 2*CF)*s1234*s13)/(4*s12*s123*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(8*s12*s123*s34) - 
   (CA*(CA - 2*CF)*s1234)/(s134*s34) + (CA*(CA - 2*CF)*D*s1234)/
    (2*s134*s34) - (CA*(CA - 2*CF)*D^2*s1234)/(16*s134*s34) + 
   (24*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s123*s134*s34) - 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s123*s134*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(s123*s134*s34) - (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s123*s134*s34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s134*s34) - (3*CA*(CA - 2*CF)*s1234*s13)/(2*s124*s14*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(2*s124*s14*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s13)/(16*s124*s14*s34) - 
   (7*CA*(CA - 2*CF)*s1234*s13)/(2*s134*s14*s34) + 
   (5*CA*(CA - 2*CF)*D*s1234*s13)/(4*s134*s14*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s13)/(8*s134*s14*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13)/
    (s124*s134*s14*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13)/(s124*s134*s14*s34) - (3*CA*(CA - 2*CF)*s1234*s13)/
    (4*s123*s23*s34) + (CA*(CA - 2*CF)*D*s1234*s13)/(8*s123*s23*s34) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13)/
    (s123*s134*s23*s34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13)/(s123*s134*s23*s34) - (3*CA*(CA - 2*CF)*s12*s1234*s13)/
    (4*s134*s14*s23*s34) + (CA*(CA - 2*CF)*D*s12*s1234*s13)/
    (4*s134*s14*s23*s34) + (CA*(CA - 2*CF)*s1234*s23)/(s12*s124*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s23)/(2*s12*s124*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s23)/(16*s12*s124*s34) - 
   (CA*(CA - 2*CF)*s1234*s23)/(2*s12*s134*s34) + (CA*(CA - 2*CF)*D*s1234*s23)/
    (8*s12*s134*s34) - (16*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23)/(s124*s134*s34) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23)/(s124*s134*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s23)/(s124*s134*s34) + (3*CA*(CA - 2*CF)*s1234*s23)/
    (2*s124*s14*s34) - (3*CA*(CA - 2*CF)*D*s1234*s23)/(8*s124*s14*s34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s23)/(4*s12*s134*s14*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23)/(4*s12*s134*s14*s34) - 
   (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23)/
    (s124*s134*s14*s34) + (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s23)/(s124*s134*s14*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s23)/
    (s124*s134*s14*s34) + (2*CA*(CA - 2*CF)*s1234)/(s234*s34) - 
   (3*CA*(CA - 2*CF)*D*s1234)/(4*s234*s34) + (CA*(CA - 2*CF)*D^2*s1234)/
    (16*s234*s34) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s123*s234*s34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234)/(s123*s234*s34) + (CA*(CA - 2*CF)*D*s1234*s13)/(8*s12*s234*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s234*s34) + 
   (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s134*s234*s34) - 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s134*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(s134*s234*s34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s134*s234*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s134*s234*s34) + (3*CA*(CA - 2*CF)*s12*s1234)/(2*s14*s234*s34) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234)/(8*s14*s234*s34) - 
   (3*CA*(CA - 2*CF)*s1234*s13)/(2*s14*s234*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(2*s14*s234*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s13)/(16*s14*s234*s34) - 
   (24*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13)/
    (s124*s14*s234*s34) + (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13)/(s124*s14*s234*s34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s12*s1234*s13)/
    (s124*s14*s234*s34) - (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13)/(s134*s14*s234*s34) + 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13)/
    (s134*s14*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234*s13)/(s134*s14*s234*s34) + 
   (16*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23)/
    (s124*s14*s234*s34) - (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s23)/(s124*s14*s234*s34) - 
   (24*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23)/
    (s124*s14*s234*s34) + (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s23)/(s124*s14*s234*s34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s23)/
    (s124*s14*s234*s34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23)/(s134*s14*s234*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23)/
    (s134*s14*s234*s34) - (5*CA*(CA - 2*CF)*s1234*s13*s24)/
    (4*s12*s124*s14*s34) + (5*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s12*s124*s14*s34) - (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (16*s12*s124*s14*s34) - (20*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s124*s14*s234*s34) + 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s124*s14*s234*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s24)/(s124*s14*s234*s34) + (CA*(CA - 2*CF)*s1234*s13*s24)/
    (4*s12*s23*s234*s34) - (5*CA*(CA - 2*CF)*s1234*s13*s24)/
    (4*s14*s23*s234*s34) + (5*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s14*s23*s234*s34) - (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (16*s14*s23*s234*s34) - (3*CA*(CA - 2*CF)*s1234*z1)/(8*s12*s124*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s12*s124*z12) + 
   (3*CA*(CA - 2*CF)*s1234*z1)/(8*s123*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s123*s14*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z1)/(8*s124*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s124*s14*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s123*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s123*s14*z12) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(s12*s124*s134*z12) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (8*s12*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (16*s12*s123*s14*z12) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (s123*s134*s14*z12) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1)/(s124*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s23*z1)/(s124*s134*s14*z12) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z1)/
    (s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s23*z1)/(s12*s123*s134*s14*z12) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23^2*z1)/
    (s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s23^2*z1)/(s12*s123*s134*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s234*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s124*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s12*s123*s234*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z1)/(s12*s124*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s234*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s124*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s124*s14*z12) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z1)/(s12*s124*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z1)/
    (s12*s124*s134*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s12*s124*s234*z12) + (CA*(CA - 2*CF)*s1234*z1)/
    (8*s123*s34*z12) - (CA*(CA - 2*CF)*D*s1234*z1)/(16*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(8*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(8*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(4*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(8*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(8*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z1)/(8*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/(8*s12*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23^2*z1)/(8*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z1)/(8*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s234*s34*z12) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s234*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (16*s12*s234*s34*z12) - (CA*(CA - 2*CF)*s1234*s14*z1)/
    (8*s12*s234*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (16*s12*s234*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (4*s12*s124*s14*s34*z12) + (CA*(CA - 2*CF)*s1234*s23*s24*z1)/
    (8*s12*s124*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/
    (16*s12*s124*s14*s34*z12) + (CA*(CA - 2*CF)*s1234*s23*s24*z1)/
    (4*s12*s134*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/
    (16*s12*s134*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s234*s34*z12) + (CA*(CA - 2*CF)*s1234*z1)/(8*s12*s123*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s12*s123*z14) + 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s12*s124*z14) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s12*s124*z14) - (CA*(CA - 2*CF)*s1234*z1)/(4*s123*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s123*s14*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z1)/(8*s124*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s124*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s123*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(8*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(2*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(8*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(4*s134*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(8*s12*s134*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s12*s134*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*z1)/(2*s14*s234*z14) + (3*CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s14*s234*z14) - (CA*(CA - 2*CF)*s12*s1234*z1)/(2*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z1)/(8*s14*s23*s234*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s134*s14*s234*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(s134*s14*s234*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s12*s123*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s123*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s124*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (2*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (8*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (2*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (8*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (8*s14*s23*s234*z14) + (CA*(CA - 2*CF)*s1234*z1)/(8*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s134*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(8*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z1)/(4*s134*s14*s23*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(8*s12*s124*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s12*s124*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(8*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(8*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1)/(8*s12*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/(16*s12*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s234*s34*z14) - (3*CA*(CA - 2*CF)*s12*s1234*z1)/
    (8*s14*s234*s34*z14) + (CA*(CA - 2*CF)*D*s12*s1234*z1)/
    (8*s14*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (16*s14*s234*s34*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1)/(s124*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (s124*s234*s34*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1)/(s134*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (s134*s234*s34*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s23*z1)/(s124*s14*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s23*z1)/
    (s124*s14*s234*s34*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z1)/(s134*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z1)/
    (s134*s14*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s23*s24*z1)/
    (8*s12*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/
    (16*s12*s124*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s14*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (8*s14*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (4*s14*s23*s234*s34*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z1)/(s124*s14*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z1)/
    (s124*s14*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s12*s123*s14*z14) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (4*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1^2)/(8*s12*s124*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*z1^2)/(8*s123*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*z1^2)/(8*s124*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1^2)/(8*s12*s123*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1^2)/(8*s12*s123*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1^2)/(8*s12*s134*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1^2)/(8*s12*s124*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1^2)/(8*s12*s124*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1^2)/(8*s12*s134*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1^2)/(8*s124*s14*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1^2)/(8*s12*s134*s14*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/(8*s12*s124*s14*s34*z12*z14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s12*s124*s134*z12) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s12*s123*s14*z12) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (s123*s134*s14*z12) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s124*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z2)/(s124*s134*s14*z12) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z2)/
    (s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2*z2)/(s12*s123*s134*s14*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s124*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s124*s23*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s123*s14*s23*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s124*s14*s23*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/(8*s12*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(16*s12*s123*s14*s23*z12) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z2)/
    (s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s23*z2)/(s12*s123*s134*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s234*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s123*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s124*s23*s234*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13^2*z2)/(s12*s123*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2)/
    (s12*s124*s23*s234*z12) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s12*s124*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (s12*s124*s134*s14*z12) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s124*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s23*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s12*s124*s23*s234*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/(8*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(8*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(8*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(16*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(2*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z2)/(8*s12*s124*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z2)/(8*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z2)/(8*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2)/(8*s12*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(4*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*z2)/(2*s12*s123*z14) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (8*s12*s123*z14) + (CA*(CA - 2*CF)*s1234*z2)/(2*s12*s124*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(8*s12*s124*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s134*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s134*s14*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s123*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*z2)/(2*s134*s23*z14) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (8*s134*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s123*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(8*s12*s123*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s134*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s134*s14*s23*z14) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s134*s14*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s134*s14*s234*z14) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (2*s14*s23*s234*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s14*s23*s234*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (4*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s124*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s12*s124*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s134*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s12*s134*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s124*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s124*s14*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (8*s12*s134*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (16*s12*s134*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s134*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s134*s23*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (8*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (16*s134*s14*s23*s34*z14) + (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s124*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (s124*s234*s34*z14) - (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s134*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z2)/(s134*s234*s34*z14) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z2)/
    (s124*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s13*z2)/(s124*s14*s234*s34*z14) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z2)/
    (s134*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2*z2)/(s134*s14*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s23*s234*s34*z14) + 
   (5*CA*(CA - 2*CF)*s12*s1234*s13*z2)/(8*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z2)/(8*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(2*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(16*s14*s23*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s12*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s12*s124*s14*s34*z14) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2)/
    (s124*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z2)/(s124*s14*s234*s34*z14) + 
   (5*CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(8*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2)/(8*s12*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s123*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s134*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s124*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s123*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s124*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/(8*s12*s123*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(4*s12*s134*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(8*s12*s124*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s124*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s134*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s124*s14*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/(8*s12*s134*s14*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(4*s12*s124*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(4*s12*s134*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(4*s124*s14*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z2)/(4*s12*s134*s14*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(8*s12*s124*s14*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z2)/(4*s12*s124*s14*s34*z12*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s124*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*z1)/(8*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s124*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s124*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s134*s14*z23) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s134*s14*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1)/(s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*s23*z1)/
    (8*s12*s123*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (16*s12*s123*s14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1)/
    (8*s12*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (16*s12*s124*s14*z23) + (3*CA*(CA - 2*CF)*s1234*z1)/(8*s12*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s12*s234*z23) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s134*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(s134*s234*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z1)/(8*s14*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s14*s234*z23) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s124*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s124*s14*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s12*s124*s234*z23) - (3*CA*(CA - 2*CF)*s1234*z1)/
    (8*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*z1)/(16*s123*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s123*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s123*s34*z23) - 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z1)/
    (s123*s134*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z1)/(s123*s134*s34*z23) - 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s134*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(s123*s134*s34*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z1)/
    (8*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1)/
    (8*s134*s14*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1)/
    (8*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (8*s134*s14*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (8*s12*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (16*s12*s123*s34*z23) - (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1)/(s123*s134*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (s123*s134*s34*z23) - (CA*(CA - 2*CF)*s1234*s23*z1)/
    (8*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (16*s134*s14*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (8*s12*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (16*s12*s234*s34*z23) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1)/(s134*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (s134*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (8*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (16*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s134*s14*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s234*s34*z23) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s134*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (s134*s234*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s12*s124*s14*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s12*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (16*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (4*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (16*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (4*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s134*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (4*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (2*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (4*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1^2)/
    (8*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (8*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (4*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (4*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (16*s12*s124*s14*z14*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s12*s123*s124*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s123*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s12*s123*s14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s12*s124*s14*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s123*s124*s23*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z2)/
    (s12*s123*s124*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s124*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (8*s12*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (16*s12*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (16*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (4*s134*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s134*s14*s23*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s12*s124*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s12*s23*s234*z23) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s134*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (s134*s23*s234*z23) + (CA*(CA - 2*CF)*s12*s1234*z2)/
    (2*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2)/
    (8*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s124*s14*s23*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s12*s124*s23*s234*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s123*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s123*s34*z23) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s134*s34*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s123*s134*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s134*s14*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s123*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (8*s12*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (16*s12*s123*s23*s34*z23) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13*z2)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z2)/
    (s123*s134*s23*s34*z23) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z2)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z2)/
    (s123*s134*s23*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s13*z2)/
    (8*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z2)/
    (8*s134*s14*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (8*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (8*s134*s14*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s12*s234*s34*z23) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s134*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (s134*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (4*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s134*s14*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s23*s234*s34*z23) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s134*s23*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (s134*s23*s234*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (8*s12*s124*s14*s23*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z2)/(s12*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s124*z12*z23) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s124*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s123*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s124*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (4*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (4*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (2*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (8*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (4*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (8*s12*s124*s14*z14*z23) - (5*CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s14*s234*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (4*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (4*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (4*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (16*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (4*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (4*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (4*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z1*z2)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (8*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (4*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (4*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s12*s123*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s12*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (8*s12*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (8*s12*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (8*s12*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (8*s12*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (2*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (8*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (4*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (8*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (4*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (16*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (4*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/
    (16*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (4*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/
    (16*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (4*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z2^2)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/
    (4*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z2^2)/
    (16*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z2^2)/
    (16*s12*s124*s14*s23*z14*z23) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s124*s134*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(s124*s134*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(8*s123*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s123*s14*z12) - 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(s123*s134*s14*z12) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(s124*s134*s14*z12) - 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z3)/(s123*s134*s14*z12) + (3*CA*(CA - 2*CF)*s1234*z3)/
    (8*s124*s23*z12) - (CA*(CA - 2*CF)*D*s1234*z3)/(16*s124*s23*z12) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z3)/(8*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s123*s14*s23*z12) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3)/(8*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s124*s14*s23*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(8*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s123*s14*s23*z12) - 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z3)/
    (s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z3)/(s123*s134*s14*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s234*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s23*s234*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s124*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s123*s23*s234*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z3)/(s124*s23*s234*z12) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(s124*s134*s14*z12) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s124*s14*s23*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s124*s23*s234*z12) - (CA*(CA - 2*CF)*s1234*z3)/
    (8*s123*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z3)/(16*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(8*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s134*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s134*s34*z12) + (CA*(CA - 2*CF)*s12*s1234*z3)/(8*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(8*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s134*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(8*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(8*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(8*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(8*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z3)/(8*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z3)/(8*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(8*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s23*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s12*s123*z14) + (3*CA*(CA - 2*CF)*s1234*z3)/
    (8*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*z3)/(16*s134*s14*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(8*s123*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s123*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*z3)/(8*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s124*s23*z14) + (CA*(CA - 2*CF)*s12*s1234*z3)/(4*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3)/(8*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(8*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3)/(8*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s134*s14*s23*z14) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s134*s14*s234*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(s134*s14*s234*z14) - (CA*(CA - 2*CF)*s12*s1234*z3)/
    (2*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (16*s14*s23*s234*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (4*s12*s124*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (4*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s124*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*z3)/(8*s124*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s124*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*z3)/(8*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s134*s34*z14) - (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (8*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (16*s124*s14*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (8*s134*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s134*s14*s34*z14) - (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (8*s134*s23*s34*z14) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (16*s134*s23*s34*z14) + (3*CA*(CA - 2*CF)*s12*s1234*s13*z3)/
    (8*s134*s14*s23*s34*z14) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/
    (16*s134*s14*s23*s34*z14) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*z3)/(s124*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (s124*s234*s34*z14) + (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s134*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (s134*s234*s34*z14) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12^2*
     s1234*z3)/(s124*s14*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12^2*s1234*z3)/
    (s124*s14*s234*s34*z14) + (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13*z3)/(s134*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z3)/
    (s134*s14*s234*s34*z14) - (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (8*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (16*s23*s234*s34*z14) - (5*CA*(CA - 2*CF)*s12^2*s1234*z3)/
    (8*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s12^2*s1234*z3)/
    (8*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*s13*z3)/
    (2*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/
    (16*s14*s23*s234*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s124*s14*s34*z14) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3)/(s124*s14*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z3)/
    (s124*s14*s234*s34*z14) - (5*CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (8*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/
    (8*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s34*z3)/
    (8*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s123*s14*s23*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (4*s12*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (4*s12*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s124*s14*s34*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*z3)/(s123*s124*z23) + (CA*(CA - 2*CF)*s1234*z3)/(8*s123*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s123*s14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3)/(8*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s124*s14*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s123*s124*s23*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s123*s124*s23*z23) + (CA*(CA - 2*CF)*s12*s1234*z3)/
    (8*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (16*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (16*s124*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (8*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s124*s14*s23*z23) + (CA*(CA - 2*CF)*s12*s1234*z3)/
    (4*s134*s14*s23*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (16*s134*s14*s23*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*z3)/(s124*s234*z23) - (3*CA*(CA - 2*CF)*s1234*z3)/
    (8*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z3)/(16*s23*s234*z23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s134*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (8*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s124*s14*s23*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s124*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*z3)/
    (8*s123*s34*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/(16*s123*s34*z23) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s134*s34*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(s123*s134*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*z3)/
    (8*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (16*s134*s14*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (8*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (16*s123*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (8*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s123*s23*s34*z23) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12^2*s1234*z3)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12^2*s1234*z3)/
    (s123*s134*s23*s34*z23) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13*z3)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z3)/
    (s123*s134*s23*s34*z23) + (3*CA*(CA - 2*CF)*s12^2*s1234*z3)/
    (8*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12^2*s1234*z3)/
    (8*s134*s14*s23*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s13*z3)/
    (8*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/
    (8*s134*s14*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*z3)/(8*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s234*s34*z23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s134*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(s134*s234*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z3)/
    (8*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (16*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (4*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/
    (16*s134*s14*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s23*s234*s34*z23) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3)/(s134*s23*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z3)/
    (s134*s23*s234*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (8*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/
    (16*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s34*z3)/
    (8*s124*s14*s23*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z3)/(s124*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (8*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (2*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (8*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s134*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s134*s14*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (4*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (4*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (4*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (4*s14*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s14*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (2*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (16*s134*s14*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12^2*s1234*z1*z3)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z1*z3)/
    (8*s134*s14*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (4*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/
    (8*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (4*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (4*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (2*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/
    (8*s14*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/
    (8*s134*s14*s23*s34*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s14*s234*s34*z14*z23) - (5*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/
    (2*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z3)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (2*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (2*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (4*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (2*s12*s124*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (2*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (8*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (8*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (4*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (4*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (2*s134*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (8*s134*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (4*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (16*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (16*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (8*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (4*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (4*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (4*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (16*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (s134*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (4*s134*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (4*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (8*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (2*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (2*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (8*s134*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s13*z2*z3)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z3)/
    (16*s134*s14*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (4*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (2*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (8*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12^2*s1234*z2*z3)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z2*z3)/
    (8*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (4*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (2*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (8*s134*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z2*z3)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (4*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (4*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (4*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (16*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2*z3)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (2*s12*s124*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (4*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (2*s124*s14*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (4*s12*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (4*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (4*s12*s124*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2*z3)/
    (4*s123*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2*z3)/
    (4*s124*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (2*s123*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (4*s124*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z3)/
    (4*s12*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z2*z3)/
    (2*s12*s123*s14*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (4*s12*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (2*s12*s124*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (4*s12*s124*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (4*s123*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (2*s124*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/
    (4*s12*s123*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/(4*s12*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z3)/(4*s12*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(4*s12*s123*s14*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(4*s12*s124*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(4*s123*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(4*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2*z3)/(4*s12*s123*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2*z3)/(4*s12*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(4*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(8*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(8*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z3^2)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(16*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(4*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z3^2)/(4*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(8*s134*s14*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12^2*s1234*z3^2)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z3^2)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(2*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(8*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12^2*s1234*z3^2)/(4*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3^2)/(4*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/(4*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z3^2)/(8*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z1)/(8*s12*s123*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s12*s123*z34) + 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*z1)/(4*s123*s23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(8*s12*s124*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s12*s124*s14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(8*s12*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s12*s134*s14*z34) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s124*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(s124*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*z1)/
    (8*s12*s234*z34) + (CA*(CA - 2*CF)*D*s1234*z1)/(16*s12*s234*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1)/(8*s14*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s14*s234*z34) - 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s124*s14*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(s124*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s12*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s13*z1)/
    (8*s12*s123*s34*z34) + (3*CA*(CA - 2*CF)*s1234*z1)/(8*s134*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s134*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(8*s134*s14*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s134*s14*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(8*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(4*s12*s123*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s12*s123*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(2*s12*s124*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s12*s124*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(8*s12*s134*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s12*s134*s34*z34) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s124*s134*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(s124*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z1)/
    (2*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/
    (16*s12*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s23*z1)/
    (8*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/
    (16*s12*s134*s14*s34*z34) + (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z1)/(s124*s134*s14*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z1)/
    (s124*s134*s14*s34*z34) - (5*CA*(CA - 2*CF)*s1234*s23^2*z1)/
    (8*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23^2*z1)/
    (8*s12*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (8*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (16*s12*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (8*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (16*s14*s234*s34*z34) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23^2*z1)/(s124*s14*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23^2*z1)/
    (s124*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s123*s34*z34) - (5*CA*(CA - 2*CF)*s1234*s23*s24*z1)/
    (8*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/
    (8*s12*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s14*s234*s34*z34) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z1)/(s124*s14*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z1)/
    (s124*s14*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (4*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1^2)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (4*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (16*s12*s124*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (8*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (2*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (8*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z1^2)/
    (4*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z1^2)/
    (16*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (4*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (8*s134*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s23*z1^2)/
    (8*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23^2*z1^2)/
    (4*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23^2*z1^2)/
    (16*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23^2*z1^2)/
    (8*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23^2*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/
    (4*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1^2)/
    (16*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/
    (8*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z2)/
    (2*s12*s134*z34) + (CA*(CA - 2*CF)*D*s1234*z2)/(8*s12*s134*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s124*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s124*s14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s134*s14*z34) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s124*s134*s14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s124*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*z2)/
    (2*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*z2)/(8*s123*s23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s123*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s123*s23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s134*s14*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s134*s14*s23*z34) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s124*s14*s234*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s124*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*z2)/
    (2*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*z2)/(8*s23*s234*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s23*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s23*s234*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s14*s23*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s14*s23*s234*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(2*s12*s124*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s124*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s134*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s134*s34*z34) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s124*s134*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s124*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (2*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (16*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (8*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (16*s12*s134*s14*s34*z34) - (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z2)/(s124*s134*s14*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z2)/
    (s124*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (8*s12*s123*s23*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s134*s23*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (8*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (16*s134*s14*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (8*s12*s123*s23*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s13*s23*z2)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z2)/
    (8*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s12*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s14*s234*s34*z34) + (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z2)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z2)/
    (s124*s14*s234*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (4*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s123*s23*s34*z34) + (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (s124*s14*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s23*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s14*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s14*s23*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (2*s12*s134*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (8*s12*s134*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/(s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(4*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(2*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(8*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(2*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/(8*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(4*s12*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(2*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(4*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(4*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(2*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(8*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(4*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(2*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(8*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(4*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(16*s12*s124*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(2*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/(4*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/(16*s12*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/(4*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(8*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(4*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(4*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/(8*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1*z2)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(4*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(8*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(4*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z2)/(8*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z2)/(16*s12*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z1*z2)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z2)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23^2*z1*z2)/(8*s12*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z2)/(4*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(8*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(16*s12*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/(16*s12*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(4*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(4*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/(16*s12*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z2)/(8*s12*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(4*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(4*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(2*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/(4*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/(4*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2^2)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2^2)/(8*s12*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(16*s12*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/(4*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(8*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2^2)/(8*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/(16*s12*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/(8*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2^2)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/(4*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/(16*s12*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/(8*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3)/(8*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s124*s14*z34) + (CA*(CA - 2*CF)*s1234*z3)/(8*s134*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s134*s14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s124*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(s124*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*z3)/
    (8*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/(16*s123*s23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(8*s134*s14*s23*z34) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s134*s14*s23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s124*s14*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(s124*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*z3)/
    (8*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/(16*s23*s234*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(8*s14*s23*s234*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s14*s23*s234*z34) - 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s123*s34*z34) - (CA*(CA - 2*CF)*s1234*z3)/(2*s124*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(16*s124*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(4*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(8*s12*s123*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*z3)/(8*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s134*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s124*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (s124*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (8*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s134*s14*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z3)/(s124*s134*s14*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z3)/
    (s124*s134*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z3)/
    (4*s12*s123*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (8*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s12*s1234*z3)/
    (8*s134*s23*s34*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*s12*s1234*s13*z3)/
    (8*s134*s14*s23*s34*z34) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/
    (16*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z3)/
    (8*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s23*z3)/
    (2*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z3)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z3)/
    (4*s12*s134*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z3)/
    (8*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z3)/
    (8*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z3)/
    (4*s12*s134*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*z3)/(8*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(2*s12*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(8*s12*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(8*s14*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s14*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z3)/
    (s124*s14*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s23*z3)/(s124*s14*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s12*s124*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(8*s12*s124*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s124*s14*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(8*s124*s14*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(4*s12*s124*s14*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(2*s12*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(8*s12*s123*s23*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3)/
    (s124*s14*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s24*z3)/(s124*s14*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(2*s12*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(8*s12*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3)/(8*s14*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/(16*s14*s23*s234*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z3)/(8*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(8*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(4*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(16*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(8*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(16*s12*s123*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z3)/(8*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(16*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3)/(2*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(4*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(16*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z1*z3)/(4*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/(8*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/(8*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3)/(8*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3)/(4*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(8*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(4*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(8*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z3)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23^2*z1*z3)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(2*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(8*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(4*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3)/(4*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(4*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(2*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(8*s12*s124*s34*z12*z34) + 
   (5*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s124*s14*s34*z12*z34) - 
   (5*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(2*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/(8*s12*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/(2*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z3)/(8*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(2*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/(8*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(16*s123*s34*z12*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z2*z3)/(8*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(4*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(4*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(4*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(4*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(2*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/(8*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(4*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z3)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3)/(4*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3)/(8*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2*z3)/(8*s12*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z3)/(8*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(16*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(4*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(16*s12*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/(4*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/(8*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(4*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/(16*s12*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/(4*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z3)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(4*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(4*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/(16*s12*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(4*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(8*s134*s14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(8*s12*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(8*s14*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s12*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(8*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(8*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(8*s134*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(8*s134*s14*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(8*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(8*s12*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(8*s14*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s12*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(4*s12*s123*s23*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(4*s12*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(4*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s134*s14*s23*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s12*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(4*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s14*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s12*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(8*s12*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(4*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z2*z3)/(4*s134*s14*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(8*s134*s14*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s12*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(4*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(8*s12*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z2*z3)/(4*s14*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(8*s14*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z3)/(4*s12*s234*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z3)/(2*s23*s234*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/(4*s12*s23*s234*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/(4*s12*s23*s234*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/(4*s12*s23*s234*z12*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z2*z3)/(4*s123*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/(2*s12*s123*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/(4*s12*s123*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z2*z3)/(2*s123*s23*s34*z12*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/(4*s123*s23*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z3)/(4*s12*s123*s23*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/(4*s123*s23*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1*z2*z3)/(4*s12*s123*s23*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z3)/(4*s12*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z3)/(2*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/(4*s12*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/(4*s12*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z3)/(4*s12*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/(4*s12*s123*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/(4*s123*s23*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/(4*s12*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/(2*s12*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/(2*s23*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/(4*s12*s23*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z2*z3)/(4*s12*s23*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z3)/(4*s12*s23*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(16*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(4*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(8*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(4*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(8*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3^2)/(8*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(4*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(16*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(2*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(8*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(4*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(4*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(4*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(8*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(8*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(8*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(8*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(8*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3^2)/(8*s134*s14*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(8*s14*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/(8*s14*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(2*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(8*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z4)/(2*s123*s14*z14) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (8*s123*s14*z14) - (CA*(CA - 2*CF)*s1234*z4)/(2*s124*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(8*s124*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s12*s123*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(2*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(8*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(4*s12*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4)/(2*s134*s14*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/(8*s134*s14*s23*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(4*s12*s124*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(4*s123*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(4*s124*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(4*s12*s123*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(4*s12*s123*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(4*s12*s124*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(2*s14*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(8*s14*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s14*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(4*s134*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(16*s134*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(4*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s14*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(16*s14*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(4*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/(16*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(4*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(16*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(2*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(8*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/(16*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(16*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(4*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(8*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(4*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(16*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(8*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(16*s134*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(2*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(8*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/(4*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z4)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(4*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(16*s134*s14*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(8*s14*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z4)/(16*s14*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(4*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(16*s134*s14*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(16*s134*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(2*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(8*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/(4*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3*z4)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(4*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3*z4)/(16*s134*s14*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(8*s14*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/(8*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3*z4)/(16*s14*s23*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(8*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3*z4)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(4*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3*z4)/(16*s134*s14*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(8*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3*z4)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(8*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z4)/(2*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (8*s123*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s134*s14*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(2*s12*s134*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(8*s12*s134*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4)/(2*s12*s134*s14*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/(8*s12*s134*s14*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*z4)/(2*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (8*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s12*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(4*s12*s23*s234*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(4*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(16*s12*s134*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/(4*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(8*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(2*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(8*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(4*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z4)/(16*s12*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z1*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/(4*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z1*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(4*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z4)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s12*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/(4*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s134*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s14*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s12*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(8*s12*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/(8*s12*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s14*s234*s34*z14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(16*s12*s134*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(8*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(2*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(8*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(4*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/(8*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z2*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/(4*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z2*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/(8*s12*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(4*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s14*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s12*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s14*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s14*s23*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(8*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(2*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(8*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(4*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(4*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(4*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s134*s14*s23*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s134*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(8*s134*s14*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(8*s14*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(4*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(4*s23*s234*s34*z23*z34)) + 
 gg*((-5*CA*(CA - 2*CF)*s1234)/(4*s123) + (CA*(CA - 2*CF)*D*s1234)/(4*s123) - 
   (5*CA*(CA - 2*CF)*s1234)/(4*s124) + (CA*(CA - 2*CF)*D*s1234)/(4*s124) + 
   (CA*(CA - 2*CF)*s1234*s13)/(4*s12*s123) + (CA*(CA - 2*CF)*D*s1234*s13)/
    (16*s12*s123) - (CF*(-CA + 2*CF)*s1234*s13)/s124^2 + 
   (3*CF*(-CA + 2*CF)*D*s1234*s13)/(4*s124^2) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s13)/(8*s124^2) + (CA*(CA - 2*CF)*s1234*s13)/
    (4*s12*s124) - (CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s124) - 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s124) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/(s123*s124) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s13)/(2*s123*s124) - 
   (CF*(-CA + 2*CF)*s12*s1234)/(2*s134^2) + (3*CF*(-CA + 2*CF)*D*s12*s1234)/
    (8*s134^2) - (CF*(-CA + 2*CF)*D^2*s12*s1234)/(16*s134^2) - 
   (5*CA*(CA - 2*CF)*s1234)/(4*s134) + (CA*(CA - 2*CF)*D*s1234)/(4*s134) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s123*s134) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/(s123*s134) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s12*s1234)/(4*s123*s134) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s124*s134) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/(s124*s134) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s12*s1234)/(4*s124*s134) - 
   (20*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s134) + 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/(s123*s134) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s13)/(s123*s134) - 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s124*s134) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/(s124*s134) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s13)/(2*s124*s134) + 
   (CA*(CA - 2*CF)*s12*s1234)/(8*s124*s14) - (CA*(CA - 2*CF)*D*s12*s1234)/
    (16*s124*s14) + (CA*(CA - 2*CF)*s1234*s13)/(4*s124*s14) - 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s124*s14) + 
   (CF*(-CA + 2*CF)*s12*s1234*s13)/(s134^2*s14) - 
   (5*CF*(-CA + 2*CF)*D*s12*s1234*s13)/(8*s134^2*s14) + 
   (CF*(-CA + 2*CF)*D^2*s12*s1234*s13)/(16*s134^2*s14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12^2*s1234)/(s124*s134*s14) + 
   (CA*(CA - 2*CF)*s1234*s13)/(4*s134*s14) + (CA*(CA - 2*CF)*D*s1234*s13)/
    (16*s134*s14) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*
     s13)/(s124*s134*s14) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s13)/(s124*s134*s14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s12*s1234*s13)/
    (4*s124*s134*s14) - (CF*(-CA + 2*CF)*s1234*s14)/(2*s123^2) + 
   (3*CF*(-CA + 2*CF)*D*s1234*s14)/(8*s123^2) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s14)/(16*s123^2) + (CA*(CA - 2*CF)*s1234*s14)/
    (8*s12*s124) - (CA*(CA - 2*CF)*D*s1234*s14)/(16*s12*s124) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s124) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/(s123*s124) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s14)/(4*s123*s124) + 
   (CF*(-CA + 2*CF)*s1234*s13*s14)/(s12*s123^2) - 
   (5*CF*(-CA + 2*CF)*D*s1234*s13*s14)/(8*s12*s123^2) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s13*s14)/(16*s12*s123^2) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14)/
    (s12*s123*s124) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s14)/(s12*s123*s124) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13*s14)/(4*s12*s123*s124) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s134) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/(s123*s134) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s14)/(4*s123*s134) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14^2)/(s12*s123*s124) + 
   (CA*(CA - 2*CF)*s12*s1234)/(8*s123*s23) - (CA*(CA - 2*CF)*D*s12*s1234)/
    (16*s123*s23) + (CA*(CA - 2*CF)*s1234*s13)/(4*s123*s23) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s123*s23) - (CA*(CA - 2*CF)*s1234*s13)/
    (2*s124*s23) + (CA*(CA - 2*CF)*D*s1234*s13)/(8*s124*s23) - 
   (CA*(CA - 2*CF)*s12*s1234)/(8*s134*s23) + (CA*(CA - 2*CF)*D*s12*s1234)/
    (16*s134*s23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12^2*s1234)/
    (s123*s134*s23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12^2*
     s1234)/(2*s123*s134*s23) + (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13)/(s123*s134*s23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13)/
    (s123*s134*s23) + (CA*(CA - 2*CF)*s12^2*s1234)/(8*s134*s14*s23) + 
   (CA*(CA - 2*CF)*s12*s1234*s13)/(2*s134*s14*s23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13)/(16*s134*s14*s23) - 
   (CA*(CA - 2*CF)*s1234*s14)/(8*s123*s23) + (CF*(-CA + 2*CF)*s1234*s13*s14)/
    (2*s123^2*s23) - (CF*(-CA + 2*CF)*D*s1234*s13*s14)/(4*s123^2*s23) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14)/
    (s123*s124*s23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*
     s14)/(s123*s124*s23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s14)/(s123*s134*s23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s12*s1234*s14)/(2*s123*s134*s23) + (CA*(CA - 2*CF)*s1234*s23)/
    (8*s12*s123) - (CA*(CA - 2*CF)*D*s1234*s23)/(16*s12*s123) - 
   (CF*(-CA + 2*CF)*s1234*s23)/(2*s124^2) + (3*CF*(-CA + 2*CF)*D*s1234*s23)/
    (8*s124^2) - (CF*(-CA + 2*CF)*D^2*s1234*s23)/(16*s124^2) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s123*s124) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/(s123*s124) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s23)/(4*s123*s124) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23)/
    (s12*s123*s124) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*
     s23)/(2*s12*s123*s124) - (CF*(-CA + 2*CF)*s1234*s23)/(2*s134^2) + 
   (3*CF*(-CA + 2*CF)*D*s1234*s23)/(8*s134^2) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s23)/(16*s134^2) - (CA*(CA - 2*CF)*s1234*s23)/
    (8*s12*s134) + (CA*(CA - 2*CF)*D*s1234*s23)/(16*s12*s134) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s123*s134) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/(s123*s134) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s23)/(4*s123*s134) - 
   (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s124*s134) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/(s124*s134) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s23)/(2*s124*s134) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23)/
    (s12*s123*s134) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*
     s23)/(s12*s123*s134) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23)/(s12*s124*s134) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23)/
    (2*s12*s124*s134) - (CA*(CA - 2*CF)*s1234*s23)/(8*s124*s14) + 
   (CF*(-CA + 2*CF)*s1234*s13*s23)/(2*s134^2*s14) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*s23)/(4*s134^2*s14) - 
   (CA*(CA - 2*CF)*s1234*s23)/(8*s134*s14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s23)/
    (s124*s134*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     s23)/(2*s124*s134*s14) + (CA*(CA - 2*CF)*s1234*s13*s23)/
    (4*s12*s134*s14) + (CF*(-CA + 2*CF)*s1234*s14*s23)/(2*s12*s123^2) - 
   (3*CF*(-CA + 2*CF)*D*s1234*s14*s23)/(8*s12*s123^2) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s14*s23)/(16*s12*s123^2) + 
   (CF*(-CA + 2*CF)*s1234*s14*s23)/(2*s12*s124^2) - 
   (3*CF*(-CA + 2*CF)*D*s1234*s14*s23)/(8*s12*s124^2) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s14*s23)/(16*s12*s124^2) + 
   (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s23)/
    (s12*s123*s124) - (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s23)/(s12*s123*s124) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s14*s23)/(2*s12*s123*s124) + 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s23)/
    (s12*s123*s134) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s23)/(s12*s123*s134) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s14*s23)/(4*s12*s123*s134) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s23)/
    (s12*s124*s134) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s23)/(s12*s124*s134) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s14*s23)/(4*s12*s124*s134) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23^2)/(s12*s123*s124) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23^2)/
    (s12*s123*s134) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23^2)/(2*s12*s123*s134) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23^2)/(s12*s124*s134) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23^2)/
    (2*s12*s124*s134) - (CF*(-CA + 2*CF)*s12*s1234)/(2*s234^2) + 
   (3*CF*(-CA + 2*CF)*D*s12*s1234)/(8*s234^2) - 
   (CF*(-CA + 2*CF)*D^2*s12*s1234)/(16*s234^2) - (CF*(-CA + 2*CF)*s1234*s13)/
    s234^2 + (3*CF*(-CA + 2*CF)*D*s1234*s13)/(4*s234^2) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s13)/(8*s234^2) - (CF*(-CA + 2*CF)*s1234*s14)/
    (2*s234^2) + (3*CF*(-CA + 2*CF)*D*s1234*s14)/(8*s234^2) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s14)/(16*s234^2) - 
   (5*CA*(CA - 2*CF)*s1234)/(4*s234) + (CA*(CA - 2*CF)*D*s1234)/(4*s234) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s123*s234) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/(s123*s234) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s12*s1234)/(4*s123*s234) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s124*s234) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/(s124*s234) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s12*s1234)/(4*s124*s234) - 
   (CA*(CA - 2*CF)*s1234*s13)/(2*s12*s234) + (CA*(CA - 2*CF)*D*s1234*s13)/
    (8*s12*s234) - (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/
    (s123*s234) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s13)/
    (2*s123*s234) - (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s134*s234) + (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s134*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s12*s1234)/
    (2*s134*s234) - (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/
    (s134*s234) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s134*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s13)/
    (2*s134*s234) - (CA*(CA - 2*CF)*s12*s1234)/(8*s14*s234) + 
   (CA*(CA - 2*CF)*D*s12*s1234)/(16*s14*s234) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12^2*s1234)/
    (s124*s14*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12^2*
     s1234)/(2*s124*s14*s234) - (CA*(CA - 2*CF)*s1234*s13)/(2*s14*s234) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(8*s14*s234) + 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13)/
    (s124*s14*s234) - (7*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13)/(2*s124*s14*s234) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s12*s1234*s13)/
    (4*s124*s14*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12^2*
     s1234)/(s134*s14*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s12^2*s1234)/(2*s134*s14*s234) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13)/
    (s134*s14*s234) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13)/(s134*s14*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s12*s1234*s13)/(4*s134*s14*s234) - (CA*(CA - 2*CF)*s1234*s14)/
    (8*s12*s234) + (CA*(CA - 2*CF)*D*s1234*s14)/(16*s12*s234) - 
   (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s234) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/(s123*s234) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s14)/(2*s123*s234) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s124*s234) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/(s124*s234) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s14)/(4*s124*s234) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14)/
    (s12*s123*s234) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s14)/(s12*s123*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13*s14)/(4*s12*s123*s234) + 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14)/
    (s12*s124*s234) - (7*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s14)/(2*s12*s124*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13*s14)/(4*s12*s124*s234) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s134*s234) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/(s134*s234) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s14)/(4*s134*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14^2)/(s12*s123*s234) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14^2)/
    (2*s12*s123*s234) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14^2)/(s12*s124*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s14^2)/(2*s12*s124*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12^2*s1234)/(s123*s23*s234) + 
   (CA*(CA - 2*CF)*s1234*s13)/(4*s23*s234) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (16*s23*s234) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*
     s13)/(s123*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13)/(2*s123*s23*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12^2*s1234)/(s134*s23*s234) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12^2*s1234)/
    (2*s134*s23*s234) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13)/(s134*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D*s12*s1234*s13)/(2*s134*s23*s234) + (CA*(CA - 2*CF)*s12^2*s1234)/
    (8*s14*s23*s234) + (CA*(CA - 2*CF)*s12*s1234*s13)/(4*s14*s23*s234) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13)/(16*s14*s23*s234) - 
   (CA*(CA - 2*CF)*s1234*s14)/(8*s23*s234) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s14)/
    (s123*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     s14)/(2*s123*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s14)/(s134*s23*s234) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s124*s234) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/(s124*s234) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s23)/(4*s124*s234) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s134*s234) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/(s134*s234) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s23)/(4*s134*s234) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23)/
    (s124*s14*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     s23)/(2*s124*s14*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s23)/(s134*s14*s234) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23)/
    (s134*s14*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*
     s23)/(s134*s14*s234) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s23)/(s12*s123*s234) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s23)/
    (s12*s123*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14*s23)/(4*s12*s123*s234) + 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s23)/
    (s12*s124*s234) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s23)/(s12*s124*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s14*s23)/(4*s12*s124*s234) - (CF*(-CA + 2*CF)*s1234*s24)/
    s123^2 + (3*CF*(-CA + 2*CF)*D*s1234*s24)/(4*s123^2) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s24)/(8*s123^2) + (CA*(CA - 2*CF)*s1234*s24)/
    (4*s12*s123) - (CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s123) + 
   (CA*(CA - 2*CF)*s1234*s24)/(4*s12*s124) + (CA*(CA - 2*CF)*D*s1234*s24)/
    (16*s12*s124) - (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/
    (s123*s124) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s123*s124) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s24)/
    (2*s123*s124) - (CF*(-CA + 2*CF)*s1234*s13*s24)/(2*s12*s123^2) + 
   (3*CF*(-CA + 2*CF)*D*s1234*s13*s24)/(8*s12*s123^2) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s13*s24)/(16*s12*s123^2) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24)/(2*s12*s124^2) + 
   (3*CF*(-CA + 2*CF)*D*s1234*s13*s24)/(8*s12*s124^2) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s13*s24)/(16*s12*s124^2) - 
   (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s123*s124) + (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s123*s124) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13*s24)/(2*s12*s123*s124) - (CF*(-CA + 2*CF)*s1234*s24)/
    s134^2 + (3*CF*(-CA + 2*CF)*D*s1234*s24)/(4*s134^2) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s24)/(8*s134^2) - (CA*(CA - 2*CF)*s1234*s24)/
    (2*s12*s134) + (CA*(CA - 2*CF)*D*s1234*s24)/(8*s12*s134) - 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s124*s134) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/(s124*s134) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s24)/(2*s124*s134) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s123*s134) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s123*s134) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13*s24)/(4*s12*s123*s134) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s124*s134) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s124*s134) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13*s24)/(4*s12*s124*s134) - (CA*(CA - 2*CF)*s1234*s24)/
    (2*s123*s14) + (CA*(CA - 2*CF)*D*s1234*s24)/(8*s123*s14) + 
   (CA*(CA - 2*CF)*s1234*s24)/(4*s124*s14) + (CA*(CA - 2*CF)*D*s1234*s24)/
    (16*s124*s14) - (CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s123*s14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24)/(16*s12*s123*s14) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24)/(2*s124^2*s14) + 
   (3*CF*(-CA + 2*CF)*D*s1234*s13*s24)/(8*s124^2*s14) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s13*s24)/(16*s124^2*s14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24)/(4*s12*s124*s14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24)/(8*s12*s124*s14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s123*s124*s14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s123*s124*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13*s24)/(4*s123*s124*s14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*s24)/
    (s12*s123*s124*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13^2*s24)/(2*s12*s123*s124*s14) - (CF*(-CA + 2*CF)*s1234*s13*s24)/
    (2*s134^2*s14) + (3*CF*(-CA + 2*CF)*D*s1234*s13*s24)/(8*s134^2*s14) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s13*s24)/(16*s134^2*s14) + 
   (CA*(CA - 2*CF)*s1234*s24)/(4*s134*s14) - (CA*(CA - 2*CF)*D*s1234*s24)/
    (16*s134*s14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*
     s24)/(s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24)/(2*s124*s134*s14) - (CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s134*s14) + (CA*(CA - 2*CF)*D*s1234*s13*s24)/(16*s12*s134*s14) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s123*s134*s14) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s123*s134*s14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13*s24)/(4*s123*s134*s14) - 
   (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s124*s134*s14) + (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13*s24)/(2*s124*s134*s14) - 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*s24)/
    (s12*s123*s134*s14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13^2*s24)/(s12*s123*s134*s14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*s24)/
    (s12*s124*s134*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13^2*s24)/(2*s12*s124*s134*s14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24)/
    (s12*s123*s124) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*
     s24)/(2*s12*s123*s124) + (CA*(CA - 2*CF)*s1234*s24)/(4*s123*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s123*s23) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24)/(2*s123^2*s23) + 
   (3*CF*(-CA + 2*CF)*D*s1234*s13*s24)/(8*s123^2*s23) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s13*s24)/(16*s123^2*s23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24)/(4*s12*s123*s23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24)/(8*s12*s123*s23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s124*s23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24)/(16*s12*s124*s23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s123*s124*s23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s123*s124*s23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13*s24)/(4*s123*s124*s23) - (CF*(-CA + 2*CF)*s1234*s13^2*s24)/
    (s12*s123^2*s23) + (5*CF*(-CA + 2*CF)*D*s1234*s13^2*s24)/
    (8*s12*s123^2*s23) - (CF*(-CA + 2*CF)*D^2*s1234*s13^2*s24)/
    (16*s12*s123^2*s23) - (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13^2*s24)/(s12*s123*s124*s23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*s24)/
    (s12*s123*s124*s23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13^2*s24)/(4*s12*s123*s124*s23) - (CA*(CA - 2*CF)*s1234*s24)/
    (2*s134*s23) + (CA*(CA - 2*CF)*D*s1234*s24)/(8*s134*s23) + 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24)/
    (s123*s134*s23) - (7*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24)/(2*s123*s134*s23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s12*s1234*s24)/
    (4*s123*s134*s23) - (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s123*s134*s23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*s24)/(s123*s134*s23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24)/
    (4*s123*s134*s23) - (5*CA*(CA - 2*CF)*s1234*s13*s24)/(8*s123*s14*s23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24)/(8*s123*s14*s23) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s24)/(8*s124*s14*s23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24)/(8*s124*s14*s23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*s24)/(2*s12*s123*s14*s23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*s24)/(16*s12*s123*s14*s23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*s24)/(4*s12*s124*s14*s23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*s24)/(16*s12*s124*s14*s23) + 
   (CA*(CA - 2*CF)*s12*s1234*s24)/(4*s134*s14*s23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24)/(16*s134*s14*s23) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s24)/(8*s134*s14*s23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24)/(8*s134*s14*s23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s14*s24)/
    (s12*s123*s124*s23) + (CF*(-CA + 2*CF)*s1234*s23*s24)/(s12*s124^2) - 
   (5*CF*(-CA + 2*CF)*D*s1234*s23*s24)/(8*s12*s124^2) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s23*s24)/(16*s12*s124^2) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24)/
    (s12*s123*s124) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*s24)/(s12*s123*s124) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s23*s24)/(4*s12*s123*s124) + 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24)/
    (s12*s123*s134) - (7*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*s24)/(2*s12*s123*s134) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s23*s24)/(4*s12*s123*s134) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24)/
    (s12*s124*s134) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*s24)/(s12*s124*s134) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s23*s24)/(4*s12*s124*s134) + (CF*(-CA + 2*CF)*s1234*s23*s24)/
    (2*s124^2*s14) - (CF*(-CA + 2*CF)*D*s1234*s23*s24)/(4*s124^2*s14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24)/
    (s123*s124*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*
     s24)/(s123*s124*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*s24)/(s12*s123*s124*s14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*s24)/
    (s12*s123*s134*s14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s23*s24)/(2*s12*s123*s134*s14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s23*s24)/
    (s12*s124*s134*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s23*s24)/(2*s12*s124*s134*s14) + (CF*(-CA + 2*CF)*s12*s1234*s24)/
    (s23*s234^2) - (5*CF*(-CA + 2*CF)*D*s12*s1234*s24)/(8*s23*s234^2) + 
   (CF*(-CA + 2*CF)*D^2*s12*s1234*s24)/(16*s23*s234^2) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24)/(2*s23*s234^2) + 
   (3*CF*(-CA + 2*CF)*D*s1234*s13*s24)/(8*s23*s234^2) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s13*s24)/(16*s23*s234^2) + 
   (CF*(-CA + 2*CF)*s1234*s14*s24)/(2*s23*s234^2) - 
   (CF*(-CA + 2*CF)*D*s1234*s14*s24)/(4*s23*s234^2) - 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s234) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/(s123*s234) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s24)/(2*s123*s234) - 
   (20*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s124*s234) + 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/(s124*s234) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s24)/(s124*s234) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s123*s234) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s123*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13*s24)/(4*s12*s123*s234) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s124*s234) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s124*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13*s24)/(4*s12*s124*s234) - 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s134*s234) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/(s134*s234) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s24)/(2*s134*s234) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24)/
    (s124*s14*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     s24)/(s124*s14*s234) - (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s124*s14*s234) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s124*s14*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13*s24)/(4*s124*s14*s234) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24)/
    (s134*s14*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     s24)/(2*s134*s14*s234) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s134*s14*s234) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s134*s14*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13*s24)/(4*s134*s14*s234) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24)/
    (s12*s123*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*
     s24)/(2*s12*s123*s234) + (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24)/(s12*s124*s234) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24)/
    (s12*s124*s234) + (CA*(CA - 2*CF)*s1234*s24)/(4*s23*s234) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s23*s234) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24)/
    (s123*s23*s234) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24)/(s123*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s12*s1234*s24)/(4*s123*s23*s234) - (CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s23*s234) + (CA*(CA - 2*CF)*D*s1234*s13*s24)/(16*s12*s23*s234) - 
   (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s123*s23*s234) + (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s123*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13*s24)/(2*s123*s23*s234) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s124*s23*s234) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s124*s23*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13*s24)/(4*s124*s23*s234) - 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*s24)/
    (s12*s123*s23*s234) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2*s24)/(s12*s123*s23*s234) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s13^2*s24)/
    (4*s12*s123*s23*s234) - (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*s24)/(s12*s124*s23*s234) + 
   (7*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*s24)/
    (2*s12*s124*s23*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13^2*s24)/(4*s12*s124*s23*s234) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24)/
    (s134*s23*s234) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24)/(s134*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s12*s1234*s24)/(4*s134*s23*s234) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s134*s23*s234) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s134*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13*s24)/(4*s134*s23*s234) + (CA*(CA - 2*CF)*s12*s1234*s24)/
    (2*s14*s23*s234) - (CA*(CA - 2*CF)*D*s12*s1234*s24)/(16*s14*s23*s234) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s24)/(8*s14*s23*s234) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24)/(8*s14*s23*s234) + 
   (CA*(CA - 2*CF)*s1234*s14*s24)/(4*s12*s23*s234) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s14*s24)/
    (s12*s123*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s14*s24)/(2*s12*s123*s23*s234) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*s24)/
    (s12*s124*s23*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s14*s24)/(2*s12*s124*s23*s234) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24)/
    (s134*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*
     s24)/(s134*s23*s234) - (CF*(-CA + 2*CF)*s1234*s13*s24^2)/
    (s12*s124^2*s14) + (5*CF*(-CA + 2*CF)*D*s1234*s13*s24^2)/
    (8*s12*s124^2*s14) - (CF*(-CA + 2*CF)*D^2*s1234*s13*s24^2)/
    (16*s12*s124^2*s14) - (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24^2)/(s12*s123*s124*s14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24^2)/
    (s12*s123*s124*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s24^2)/(4*s12*s123*s124*s14) - 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24^2)/
    (s12*s123*s134*s14) + (7*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24^2)/(2*s12*s123*s134*s14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24^2)/
    (4*s12*s123*s134*s14) - (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24^2)/(s12*s124*s134*s14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24^2)/
    (s12*s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s24^2)/(4*s12*s124*s134*s14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24^2)/
    (s12*s123*s124*s23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24^2)/(2*s12*s123*s124*s23) - (CA*(CA - 2*CF)*s1234*s13*s24^2)/
    (4*s12*s123*s14*s23) + (CA*(CA - 2*CF)*D*s1234*s13*s24^2)/
    (16*s12*s123*s14*s23) - (CA*(CA - 2*CF)*s1234*s13*s24^2)/
    (2*s12*s124*s14*s23) + (CA*(CA - 2*CF)*D*s1234*s13*s24^2)/
    (16*s12*s124*s14*s23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24^2)/(s12*s123*s23*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24^2)/
    (2*s12*s123*s23*s234) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24^2)/(s12*s124*s23*s234) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24^2)/
    (s12*s124*s23*s234) - (CA*(CA - 2*CF)*s1234*s13)/(2*s124*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(8*s124*s34) + 
   (CF*(-CA + 2*CF)*s12*s1234*s13)/(2*s134^2*s34) - 
   (CF*(-CA + 2*CF)*D*s12*s1234*s13)/(4*s134^2*s34) - 
   (CA*(CA - 2*CF)*s12*s1234)/(8*s134*s34) + (CA*(CA - 2*CF)*s1234*s13)/
    (4*s134*s34) + (CA*(CA - 2*CF)*D*s1234*s13)/(16*s134*s34) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13)/
    (s124*s134*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     s13)/(s124*s134*s34) - (CA*(CA - 2*CF)*s1234*s14)/(8*s123*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s14)/(16*s123*s34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14)/(2*s12*s123*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14)/(16*s12*s123*s34) + 
   (CA*(CA - 2*CF)*s1234*s14)/(8*s134*s34) - (CA*(CA - 2*CF)*D*s1234*s14)/
    (16*s134*s34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*
     s14)/(s123*s134*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s14)/(2*s123*s134*s34) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14)/
    (s123*s134*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*
     s14)/(s123*s134*s34) + (CA*(CA - 2*CF)*s1234*s14^2)/(8*s12*s123*s34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14^2)/
    (s123*s134*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14^2)/(2*s123*s134*s34) + (CA*(CA - 2*CF)*s12*s1234*s13)/
    (4*s134*s23*s34) + (CA*(CA - 2*CF)*s1234*s13*s14)/(4*s123*s23*s34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*s14)/
    (s123*s134*s23*s34) - (CA*(CA - 2*CF)*s1234*s23)/(8*s124*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s23)/(16*s124*s34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23)/(4*s12*s124*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23)/(16*s12*s124*s34) + 
   (CF*(-CA + 2*CF)*s1234*s13*s23)/(s134^2*s34) - 
   (5*CF*(-CA + 2*CF)*D*s1234*s13*s23)/(8*s134^2*s34) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s13*s23)/(16*s134^2*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s23)/
    (s124*s134*s34) + (CA*(CA - 2*CF)*s1234*s13*s23)/(2*s12*s134*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23)/(16*s12*s134*s34) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23)/
    (s124*s134*s34) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s23)/(s124*s134*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13*s23)/(4*s124*s134*s34) + (5*CA*(CA - 2*CF)*s1234*s14*s23)/
    (8*s12*s123*s34) - (CA*(CA - 2*CF)*D*s1234*s14*s23)/(8*s12*s123*s34) + 
   (5*CA*(CA - 2*CF)*s1234*s14*s23)/(8*s12*s124*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s23)/(8*s12*s124*s34) + 
   (CF*(-CA + 2*CF)*s1234*s14*s23)/(2*s134^2*s34) - 
   (3*CF*(-CA + 2*CF)*D*s1234*s14*s23)/(8*s134^2*s34) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s14*s23)/(16*s134^2*s34) + 
   (5*CA*(CA - 2*CF)*s1234*s14*s23)/(8*s12*s134*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s23)/(8*s12*s134*s34) + 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s23)/
    (s123*s134*s34) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s23)/(s123*s134*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s14*s23)/(4*s123*s134*s34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s23)/
    (s124*s134*s34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s23)/(s124*s134*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s14*s23)/(4*s124*s134*s34) + (CA*(CA - 2*CF)*s1234*s23^2)/
    (8*s12*s124*s34) + (CA*(CA - 2*CF)*s1234*s23^2)/(8*s12*s134*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23^2)/(s124*s134*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23^2)/
    (2*s124*s134*s34) + (CF*(-CA + 2*CF)*s1234*s14*s23)/(2*s234^2*s34) - 
   (3*CF*(-CA + 2*CF)*D*s1234*s14*s23)/(8*s234^2*s34) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s14*s23)/(16*s234^2*s34) - 
   (CA*(CA - 2*CF)*s12*s1234)/(8*s234*s34) + (CA*(CA - 2*CF)*s1234*s13)/
    (4*s234*s34) - (CA*(CA - 2*CF)*D*s1234*s13)/(16*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s14)/
    (s123*s234*s34) + (CA*(CA - 2*CF)*s1234*s13*s14)/(4*s12*s234*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14)/(16*s12*s234*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14)/
    (s123*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*
     s14)/(2*s123*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s14)/(s134*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s12*s1234*s14)/(2*s134*s234*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14)/
    (s134*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*
     s14)/(2*s134*s234*s34) + (CA*(CA - 2*CF)*s1234*s14^2)/(8*s12*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14^2)/(s123*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14^2)/
    (2*s123*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14^2)/(s134*s234*s34) + (CA*(CA - 2*CF)*s1234*s23)/(8*s234*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s23)/(16*s234*s34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23)/
    (s124*s234*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     s23)/(2*s124*s234*s34) + (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23)/(s124*s234*s34) - 
   (7*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23)/
    (2*s124*s234*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13*s23)/(4*s124*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s12*s1234*s23)/(s134*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s23)/
    (2*s134*s234*s34) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23)/(s134*s234*s34) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*s23)/(s134*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s23)/
    (4*s134*s234*s34) + (5*CA*(CA - 2*CF)*s1234*s14*s23)/(8*s12*s234*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s23)/(8*s12*s234*s34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s23)/
    (s123*s234*s34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s23)/(s123*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s14*s23)/(4*s123*s234*s34) + 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s23)/
    (s124*s234*s34) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s23)/(s124*s234*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s14*s23)/(4*s124*s234*s34) + 
   (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s23)/
    (s134*s234*s34) - (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s23)/(s134*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s14*s23)/(2*s134*s234*s34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23^2)/
    (s124*s234*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23^2)/(2*s124*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23^2)/(s134*s234*s34) - (CA*(CA - 2*CF)*s1234*s24)/(2*s123*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(8*s123*s34) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s123*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24)/(8*s12*s123*s34) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s124*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24)/(8*s12*s124*s34) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24)/(2*s134^2*s34) + 
   (3*CF*(-CA + 2*CF)*D*s1234*s13*s24)/(8*s134^2*s34) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s13*s24)/(16*s134^2*s34) + 
   (CA*(CA - 2*CF)*s1234*s24)/(4*s134*s34) - (CA*(CA - 2*CF)*D*s1234*s24)/
    (16*s134*s34) - (5*CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s134*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24)/(8*s12*s134*s34) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s123*s134*s34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s123*s134*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13*s24)/(4*s123*s134*s34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s124*s134*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s124*s134*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13*s24)/(4*s124*s134*s34) - (CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s124*s14*s34) + (CA*(CA - 2*CF)*D*s1234*s13*s24)/(16*s124*s14*s34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*s24)/(4*s12*s124*s14*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*s24)/(16*s12*s124*s14*s34) - 
   (CF*(-CA + 2*CF)*s1234*s13^2*s24)/(s134^2*s14*s34) + 
   (5*CF*(-CA + 2*CF)*D*s1234*s13^2*s24)/(8*s134^2*s14*s34) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s13^2*s24)/(16*s134^2*s14*s34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24)/(4*s134*s14*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24)/(8*s134*s14*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*s24)/
    (s124*s134*s14*s34) - (CA*(CA - 2*CF)*s1234*s13^2*s24)/
    (2*s12*s134*s14*s34) + (CA*(CA - 2*CF)*D*s1234*s13^2*s24)/
    (16*s12*s134*s14*s34) - (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*s24)/(s124*s134*s14*s34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*s24)/
    (s124*s134*s14*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13^2*s24)/(4*s124*s134*s14*s34) + (CA*(CA - 2*CF)*s1234*s14*s24)/
    (4*s12*s123*s34) - (CA*(CA - 2*CF)*D*s1234*s14*s24)/(16*s12*s123*s34) + 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24)/
    (s123*s134*s34) - (7*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s24)/(2*s123*s134*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s14*s24)/(4*s123*s134*s34) - (CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s123*s23*s34) + (CA*(CA - 2*CF)*D*s1234*s13*s24)/(16*s123*s23*s34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*s24)/(2*s12*s123*s23*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*s24)/(16*s12*s123*s23*s34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24)/(8*s134*s23*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24)/(16*s134*s23*s34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*s24)/
    (s123*s134*s23*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13*s24)/(2*s123*s134*s23*s34) - 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*s24)/
    (s123*s134*s23*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13^2*s24)/(s123*s134*s23*s34) - (CA*(CA - 2*CF)*s12*s1234*s13*s24)/
    (8*s134*s14*s23*s34) - (CA*(CA - 2*CF)*s1234*s13^2*s24)/
    (2*s134*s14*s23*s34) + (CA*(CA - 2*CF)*D*s1234*s13^2*s24)/
    (16*s134*s14*s23*s34) - (CA*(CA - 2*CF)*s1234*s13*s14*s24)/
    (8*s12*s123*s23*s34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*s24)/(s123*s134*s23*s34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*s24)/
    (2*s123*s134*s23*s34) + (CA*(CA - 2*CF)*s1234*s23*s24)/(2*s12*s124*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24)/(16*s12*s124*s34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24)/(4*s12*s134*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24)/(16*s12*s134*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24)/
    (s124*s134*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*
     s24)/(2*s124*s134*s34) + (CA*(CA - 2*CF)*s1234*s23*s24)/
    (4*s124*s14*s34) - (CA*(CA - 2*CF)*s1234*s13*s23*s24)/
    (8*s12*s124*s14*s34) - (CA*(CA - 2*CF)*s1234*s13*s23*s24)/
    (8*s12*s134*s14*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*s24)/(s124*s134*s14*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*s24)/
    (2*s124*s134*s14*s34) + (CF*(-CA + 2*CF)*s12*s1234*s24)/(2*s234^2*s34) - 
   (CF*(-CA + 2*CF)*D*s12*s1234*s24)/(4*s234^2*s34) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24)/(2*s234^2*s34) + 
   (3*CF*(-CA + 2*CF)*D*s1234*s13*s24)/(8*s234^2*s34) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s13*s24)/(16*s234^2*s34) + 
   (CF*(-CA + 2*CF)*s1234*s14*s24)/(s234^2*s34) - 
   (5*CF*(-CA + 2*CF)*D*s1234*s14*s24)/(8*s234^2*s34) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s14*s24)/(16*s234^2*s34) + 
   (CA*(CA - 2*CF)*s1234*s24)/(4*s234*s34) + (CA*(CA - 2*CF)*D*s1234*s24)/
    (16*s234*s34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*
     s24)/(s123*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24)/(s123*s234*s34) - (5*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s234*s34) + (CA*(CA - 2*CF)*D*s1234*s13*s24)/(8*s12*s234*s34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s123*s234*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s123*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13*s24)/(4*s123*s234*s34) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s124*s234*s34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s124*s234*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13*s24)/(4*s124*s234*s34) - 
   (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s134*s234*s34) + (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s134*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13*s24)/(2*s134*s234*s34) + (CA*(CA - 2*CF)*s12*s1234*s24)/
    (4*s14*s234*s34) - (CA*(CA - 2*CF)*s1234*s13*s24)/(8*s14*s234*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24)/(16*s14*s234*s34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*s24)/
    (s124*s14*s234*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13*s24)/(2*s124*s14*s234*s34) - 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*s24)/
    (s124*s14*s234*s34) + (7*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2*s24)/(2*s124*s14*s234*s34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s13^2*s24)/
    (4*s124*s14*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*s24)/(s134*s14*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*s24)/
    (2*s134*s14*s234*s34) - (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*s24)/(s134*s14*s234*s34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*s24)/
    (s134*s14*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13^2*s24)/(4*s134*s14*s234*s34) + (CA*(CA - 2*CF)*s1234*s14*s24)/
    (2*s12*s234*s34) - (CA*(CA - 2*CF)*D*s1234*s14*s24)/(16*s12*s234*s34) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24)/
    (s123*s234*s34) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s24)/(s123*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s14*s24)/(4*s123*s234*s34) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24)/
    (s134*s234*s34) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s24)/(s134*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s14*s24)/(4*s134*s234*s34) - (CA*(CA - 2*CF)*s1234*s13*s24)/
    (4*s23*s234*s34) + (CA*(CA - 2*CF)*D*s1234*s13*s24)/(8*s23*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*s24)/
    (s123*s23*s234*s34) - (CA*(CA - 2*CF)*s1234*s13^2*s24)/
    (4*s12*s23*s234*s34) + (CA*(CA - 2*CF)*D*s1234*s13^2*s24)/
    (16*s12*s23*s234*s34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*s24)/(s123*s23*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*s24)/
    (2*s123*s23*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*s24)/(s134*s23*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*s24)/
    (2*s134*s23*s234*s34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*s24)/(s134*s23*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*s24)/
    (2*s134*s23*s234*s34) - (CA*(CA - 2*CF)*s12*s1234*s13*s24)/
    (8*s14*s23*s234*s34) - (CA*(CA - 2*CF)*s1234*s13^2*s24)/
    (4*s14*s23*s234*s34) + (CA*(CA - 2*CF)*D*s1234*s13^2*s24)/
    (16*s14*s23*s234*s34) - (CA*(CA - 2*CF)*s1234*s13*s14*s24)/
    (8*s12*s23*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*s24)/(s123*s23*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*s24)/
    (2*s123*s23*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*s24)/(s134*s23*s234*s34) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24)/
    (s124*s234*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*
     s24)/(s124*s234*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24)/(s134*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24)/
    (2*s134*s234*s34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s23*s24)/(s124*s14*s234*s34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*s24)/
    (s124*s14*s234*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s23*s24)/(2*s124*s14*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s23*s24)/
    (s134*s14*s234*s34) - (CA*(CA - 2*CF)*s1234*s13*s24^2)/
    (2*s12*s124*s14*s34) + (CA*(CA - 2*CF)*D*s1234*s13*s24^2)/
    (16*s12*s124*s14*s34) - (CA*(CA - 2*CF)*s1234*s13*s24^2)/
    (4*s12*s134*s14*s34) + (CA*(CA - 2*CF)*D*s1234*s13*s24^2)/
    (16*s12*s134*s14*s34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24^2)/(s124*s134*s14*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24^2)/
    (2*s124*s134*s14*s34) - (CA*(CA - 2*CF)*s1234*s13*s24^2)/
    (4*s12*s123*s23*s34) + (CA*(CA - 2*CF)*D*s1234*s13*s24^2)/
    (16*s12*s123*s23*s34) - (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24^2)/(s123*s134*s23*s34) + 
   (7*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24^2)/
    (2*s123*s134*s23*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s24^2)/(4*s123*s134*s23*s34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24^2)/(4*s134*s14*s23*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24^2)/(16*s134*s14*s23*s34) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24^2)/(s23*s234^2*s34) + 
   (5*CF*(-CA + 2*CF)*D*s1234*s13*s24^2)/(8*s23*s234^2*s34) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s13*s24^2)/(16*s23*s234^2*s34) - 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24^2)/
    (s124*s14*s234*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24^2)/(s124*s14*s234*s34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24^2)/
    (s134*s14*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24^2)/(2*s134*s14*s234*s34) - (CA*(CA - 2*CF)*s1234*s13*s24^2)/
    (2*s12*s23*s234*s34) + (CA*(CA - 2*CF)*D*s1234*s13*s24^2)/
    (16*s12*s23*s234*s34) - (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24^2)/(s123*s23*s234*s34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24^2)/
    (s123*s23*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s24^2)/(4*s123*s23*s234*s34) - 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24^2)/
    (s134*s23*s234*s34) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24^2)/(s134*s23*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24^2)/
    (4*s134*s23*s234*s34) - (CA*(CA - 2*CF)*s1234*s13*s24^2)/
    (2*s14*s23*s234*s34) + (CA*(CA - 2*CF)*D*s1234*s13*s24^2)/
    (16*s14*s23*s234*s34) - (CF*(-CA + 2*CF)*s1234*s34)/(2*s123^2) + 
   (3*CF*(-CA + 2*CF)*D*s1234*s34)/(8*s123^2) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s34)/(16*s123^2) - (CA*(CA - 2*CF)*s1234*s34)/
    (8*s12*s123) - (CF*(-CA + 2*CF)*s1234*s34)/(2*s124^2) + 
   (3*CF*(-CA + 2*CF)*D*s1234*s34)/(8*s124^2) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s34)/(16*s124^2) - (CA*(CA - 2*CF)*s1234*s34)/
    (8*s12*s124) - (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/
    (s123*s124) + (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s123*s124) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s34)/
    (2*s123*s124) + (CF*(-CA + 2*CF)*s1234*s13*s34)/(2*s12*s123^2) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*s34)/(4*s12*s123^2) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s134) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/(s123*s134) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s34)/(4*s123*s134) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s124*s134) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/(s124*s134) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s34)/(4*s124*s134) - 
   (CA*(CA - 2*CF)*s1234*s34)/(8*s123*s14) + (CA*(CA - 2*CF)*D*s1234*s34)/
    (16*s123*s14) + (CF*(-CA + 2*CF)*s12*s1234*s34)/(2*s124^2*s14) - 
   (3*CF*(-CA + 2*CF)*D*s12*s1234*s34)/(8*s124^2*s14) + 
   (CF*(-CA + 2*CF)*D^2*s12*s1234*s34)/(16*s124^2*s14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s34)/
    (s123*s124*s14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s34)/(s123*s124*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s12*s1234*s34)/(4*s123*s124*s14) + (CA*(CA - 2*CF)*s1234*s13*s34)/
    (4*s12*s123*s14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*
     s34)/(s123*s124*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34)/(2*s123*s124*s14) + (CF*(-CA + 2*CF)*s12*s1234*s34)/
    (2*s134^2*s14) - (3*CF*(-CA + 2*CF)*D*s12*s1234*s34)/(8*s134^2*s14) + 
   (CF*(-CA + 2*CF)*D^2*s12*s1234*s34)/(16*s134^2*s14) + 
   (CA*(CA - 2*CF)*s1234*s34)/(8*s134*s14) - (CA*(CA - 2*CF)*D*s1234*s34)/
    (16*s134*s14) + (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*
     s34)/(s123*s134*s14) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s34)/(s123*s134*s14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s12*s1234*s34)/
    (4*s123*s134*s14) + (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s34)/(s124*s134*s14) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s34)/
    (s124*s134*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234*s34)/(2*s124*s134*s14) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34)/
    (s123*s134*s14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*
     s34)/(s123*s134*s14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34)/(s124*s134*s14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34)/
    (2*s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*
     s34)/(s12*s123*s124) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s34)/(2*s12*s123*s124) + (CF*(-CA + 2*CF)*s12*s1234*s34)/
    (2*s123^2*s23) - (3*CF*(-CA + 2*CF)*D*s12*s1234*s34)/(8*s123^2*s23) + 
   (CF*(-CA + 2*CF)*D^2*s12*s1234*s34)/(16*s123^2*s23) - 
   (CA*(CA - 2*CF)*s1234*s34)/(8*s124*s23) + (CA*(CA - 2*CF)*D*s1234*s34)/
    (16*s124*s23) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*
     s34)/(s123*s124*s23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s34)/(s123*s124*s23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s12*s1234*s34)/
    (4*s123*s124*s23) + (CF*(-CA + 2*CF)*s1234*s13*s34)/(s123^2*s23) - 
   (5*CF*(-CA + 2*CF)*D*s1234*s13*s34)/(8*s123^2*s23) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s13*s34)/(16*s123^2*s23) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34)/
    (s123*s124*s23) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s34)/(s123*s124*s23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13*s34)/(4*s123*s124*s23) + 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s34)/
    (s123*s134*s23) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s34)/(s123*s134*s23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D^2*s12*s1234*s34)/(4*s123*s134*s23) + (5*CA*(CA - 2*CF)*s12*s1234*s34)/
    (8*s123*s14*s23) - (CA*(CA - 2*CF)*D*s12*s1234*s34)/(8*s123*s14*s23) + 
   (5*CA*(CA - 2*CF)*s12*s1234*s34)/(8*s124*s14*s23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s34)/(8*s124*s14*s23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34)/(2*s123*s14*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34)/(16*s123*s14*s23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34)/(4*s124*s14*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34)/(16*s124*s14*s23) + 
   (5*CA*(CA - 2*CF)*s12*s1234*s34)/(8*s134*s14*s23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s34)/(8*s134*s14*s23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*s34)/
    (s123*s124*s23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*
     s34)/(s12*s123*s124) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s34)/(2*s12*s123*s124) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s34)/
    (s12*s123*s134) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*
     s34)/(2*s12*s123*s134) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s23*s34)/(s12*s124*s134) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*s34)/
    (s123*s124*s14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*
     s34)/(s123*s134*s14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s34)/(2*s123*s134*s14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*s34)/
    (s124*s134*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*
     s34)/(2*s124*s134*s14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*s34)/(s12*s123*s134*s14) + (CF*(-CA + 2*CF)*s12*s1234*s34)/
    (2*s23*s234^2) - (3*CF*(-CA + 2*CF)*D*s12*s1234*s34)/(8*s23*s234^2) + 
   (CF*(-CA + 2*CF)*D^2*s12*s1234*s34)/(16*s23*s234^2) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s234) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/(s123*s234) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s34)/(4*s123*s234) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s124*s234) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/(s124*s234) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s34)/(4*s124*s234) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34)/
    (s12*s123*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*
     s34)/(s12*s123*s234) + (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s34)/(s124*s14*s234) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s34)/
    (s124*s14*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234*s34)/(4*s124*s14*s234) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s34)/
    (s134*s14*s234) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s34)/(s134*s14*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s12*s1234*s34)/(4*s134*s14*s234) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*s34)/
    (s12*s123*s234) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*
     s34)/(s12*s124*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s34)/(2*s12*s124*s234) + (CA*(CA - 2*CF)*s1234*s34)/
    (8*s23*s234) - (CA*(CA - 2*CF)*D*s1234*s34)/(16*s23*s234) + 
   (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s34)/
    (s123*s23*s234) - (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s34)/(s123*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s12*s1234*s34)/(2*s123*s23*s234) + 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s34)/
    (s124*s23*s234) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s34)/(s124*s23*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D^2*s12*s1234*s34)/(4*s124*s23*s234) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34)/
    (s123*s23*s234) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s34)/(s123*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13*s34)/(4*s123*s23*s234) + 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34)/
    (s124*s23*s234) - (7*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s34)/(2*s124*s23*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13*s34)/(4*s124*s23*s234) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s34)/
    (s134*s23*s234) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s34)/(s134*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s12*s1234*s34)/(4*s134*s23*s234) + (5*CA*(CA - 2*CF)*s12*s1234*s34)/
    (8*s14*s23*s234) - (CA*(CA - 2*CF)*D*s12*s1234*s34)/(8*s14*s23*s234) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*s34)/
    (s123*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*
     s34)/(2*s123*s23*s234) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s34)/(s124*s23*s234) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s34)/
    (2*s124*s23*s234) + (CF*(-CA + 2*CF)*s1234*s24*s34)/(2*s12*s124^2) - 
   (CF*(-CA + 2*CF)*D*s1234*s24*s34)/(4*s12*s124^2) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34)/
    (s12*s124*s134) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*
     s34)/(s12*s124*s134) + (CF*(-CA + 2*CF)*s1234*s24*s34)/(s124^2*s14) - 
   (5*CF*(-CA + 2*CF)*D*s1234*s24*s34)/(8*s124^2*s14) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s24*s34)/(16*s124^2*s14) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34)/
    (s123*s124*s14) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*s34)/(s123*s124*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s24*s34)/(4*s123*s124*s14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*s34)/
    (s12*s123*s124*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*s34)/(2*s12*s123*s124*s14) + 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34)/
    (s123*s134*s14) - (7*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*s34)/(2*s123*s134*s14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s24*s34)/(4*s123*s134*s14) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34)/
    (s124*s134*s14) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*s34)/(s124*s134*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s24*s34)/(4*s124*s134*s14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*s34)/
    (s12*s123*s134*s14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*s34)/(2*s12*s123*s134*s14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*s34)/
    (s12*s124*s134*s14) + (CA*(CA - 2*CF)*s1234*s24*s34)/(4*s12*s124*s23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34)/
    (s123*s124*s23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*
     s34)/(2*s123*s124*s23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*s34)/(s12*s123*s124*s23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*s34)/
    (2*s12*s123*s124*s23) + (CA*(CA - 2*CF)*s1234*s24*s34)/(4*s123*s14*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34)/(16*s123*s14*s23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34)/(2*s124*s14*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34)/(16*s124*s14*s23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*s34)/(8*s12*s123*s14*s23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*s34)/(8*s12*s124*s14*s23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34)/
    (s123*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*
     s34)/(2*s123*s23*s234) + (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34)/(s124*s23*s234) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34)/
    (s124*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*
     s24*s34)/(s12*s123*s23*s234) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*s34)/
    (s12*s124*s23*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*s34)/(2*s12*s124*s23*s234) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*s34)/
    (s12*s124*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34^2)/(s123*s124*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s34^2)/(2*s123*s124*s14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34^2)/
    (s123*s134*s14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34^2)/(2*s123*s134*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34^2)/(s124*s134*s14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34^2)/(s123*s124*s23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34^2)/
    (2*s123*s124*s23) + (CA*(CA - 2*CF)*s1234*s34^2)/(8*s123*s14*s23) + 
   (CA*(CA - 2*CF)*s1234*s34^2)/(8*s124*s14*s23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34^2)/(s123*s23*s234) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34^2)/
    (s124*s23*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34^2)/(2*s124*s23*s234) - (CA*(CA - 2*CF)*D*s1234*z1)/(16*s123*z12) + 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s124*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (16*s12*s123*z12) + (CF*(-CA + 2*CF)*s1234*s14*z1)/(4*s123^2*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(8*s12*s123*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z1)/(16*s12*s123*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(8*s12*s124*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z1)/
    (s123*s124*z12) + (CF*(-CA + 2*CF)*s1234*s13*s14*z1)/(4*s12*s123^2*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14^2*z1)/
    (s12*s123*s124*z12) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s12*s123*z12) + 
   (CF*(-CA + 2*CF)*s1234*s23*z1)/(2*s124^2*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s23*z1)/(8*s124^2*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s123*s124*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*
     z1)/(2*s123*s124*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z1)/(s12*s123*s124*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z1)/
    (2*s12*s123*s124*z12) - (CA*(CA - 2*CF)*s1234*s23*z1)/(8*s12*s134*z12) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s123*s134*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*
     z1)/(2*s123*s134*z12) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1)/(s124*s134*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (2*s124*s134*z12) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*z1)/(s12*s123*s134*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z1)/
    (2*s12*s123*s134*z12) - (CA*(CA - 2*CF)*s1234*s23*z1)/(8*s134*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1)/(8*s12*s134*s14*z12) + 
   (CF*(-CA + 2*CF)*s1234*s14*s23*z1)/(4*s12*s123^2*z12) + 
   (CF*(-CA + 2*CF)*s1234*s14*s23*z1)/(2*s12*s124^2*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s14*s23*z1)/(8*s12*s124^2*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s23*z1)/
    (s12*s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s23*z1)/(2*s12*s124*s134*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23^2*z1)/
    (s12*s123*s124*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23^2*z1)/(2*s12*s123*s124*z12) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23^2*z1)/
    (s12*s123*s134*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23^2*z1)/(2*s12*s123*s134*z12) - (CA*(CA - 2*CF)*s1234*s23^2*z1)/
    (8*s12*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*z1)/(4*s234*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s234*z12) + (CA*(CA - 2*CF)*s1234*s13*z1)/
    (4*s12*s234*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s234*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(4*s12*s234*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z1)/(16*s12*s234*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(4*s12*s234*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s12*s234*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s123*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s123*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s12*s124*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s124*z12) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24*z1)/(4*s12*s123^2*z12) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24*z1)/(2*s12*s124^2*z12) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*s24*z1)/(8*s12*s124^2*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s12*s134*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s134*z12) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s12*s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*z1)/(2*s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s124*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s123*s14*z12) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24*z1)/(2*s124^2*s14*z12) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*s24*z1)/(8*s124^2*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s124*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s124*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s123*s124*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*z1)/(2*s123*s124*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*s24*z1)/
    (s12*s123*s124*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2*s24*z1)/(2*s12*s123*s124*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s134*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s134*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(4*s12*s134*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s134*s14*z12) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*z1)/(2*s123*s134*s14*z12) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s124*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*z1)/(2*s124*s134*s14*z12) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*s24*z1)/
    (s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2*s24*z1)/(2*s12*s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z1)/
    (s12*s123*s124*z12) - (CF*(-CA + 2*CF)*s1234*s13*s24*z1)/
    (4*s123^2*s23*z12) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s12*s124*s23*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z1)/(s123*s124*s23*z12) - (CF*(-CA + 2*CF)*s1234*s13^2*s24*z1)/
    (4*s12*s123^2*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s123*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s124*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s13^2*s24*z1)/
    (8*s12*s123*s14*s23*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*s24*z1)/(s12*s123*s124*s23*z12) + 
   (CF*(-CA + 2*CF)*s1234*s23*s24*z1)/(2*s12*s124^2*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s23*s24*z1)/(8*s12*s124^2*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1)/
    (s12*s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*s24*z1)/(2*s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*s23*s24*z1)/
    (8*s12*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/
    (16*s12*s124*s14*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*s24*z1)/(s12*s123*s124*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*s24*z1)/
    (2*s12*s123*s124*s14*z12) + (CA*(CA - 2*CF)*s1234*s23*s24*z1)/
    (8*s12*s134*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/
    (16*s12*s134*s14*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*s24*z1)/(s12*s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*s24*z1)/
    (2*s12*s123*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s234*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s23*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s23*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1)/(8*s12*s23*s234*z12) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(8*s12*s124*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(16*s12*s124*s14*z12) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24^2*z1)/(2*s12*s124^2*s14*z12) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*s24^2*z1)/(8*s12*s124^2*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(4*s12*s134*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(16*s12*s134*s14*z12) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24^2*z1)/
    (s12*s124*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24^2*z1)/(2*s12*s124*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24^2*z1)/
    (s12*s123*s124*s23*z12) - (CA*(CA - 2*CF)*s1234*s13*s24^2*z1)/
    (8*s12*s124*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s12*s23*s234*z12) - (CA*(CA - 2*CF)*s1234*s14*z1)/(8*s123*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1)/(8*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14^2*z1)/(8*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(4*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1)/(4*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/(16*s12*s124*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(8*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s134*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z1)/(8*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/(16*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*s23*z1)/(8*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*s23*z1)/(4*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s23*z1)/(16*s12*s124*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s14*s23*z1)/(8*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s23*z1)/(16*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23^2*z1)/(4*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z1)/(16*s12*s124*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s23^2*z1)/(8*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z1)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(4*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s124*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(4*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13^2*s24*z1)/(4*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*s24*z1)/(16*s12*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*s24*z1)/(8*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*s24*z1)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1)/(8*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13^2*s24*z1)/(8*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*s24*z1)/(8*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1)/(4*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(16*s12*s124*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z1)/(8*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*s24*z1)/(4*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*s24*z1)/(16*s12*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*s24*z1)/(8*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*s24*z1)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24^2*z1)/(4*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24^2*z1)/(16*s12*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24^2*z1)/(8*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24^2*z1)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24^2*z1)/(8*s12*s123*s23*s34*z12) - 
   (CF*(-CA + 2*CF)*s1234*s34*z1)/(4*s123^2*z12) + 
   (CF*(-CA + 2*CF)*D*s1234*s34*z1)/(8*s123^2*z12) + 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(8*s12*s124*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/(s123*s124*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s123*s124*z12) - (CF*(-CA + 2*CF)*s1234*s13*s34*z1)/
    (4*s12*s123^2*z12) + (CF*(-CA + 2*CF)*D*s1234*s13*s34*z1)/
    (8*s12*s123^2*z12) - (CA*(CA - 2*CF)*s1234*s34*z1)/(8*s123*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(8*s124*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1)/(8*s12*s123*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z1)/
    (s12*s123*s124*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s34*z1)/(2*s12*s123*s124*z12) - (CF*(-CA + 2*CF)*s1234*s23*s34*z1)/
    (4*s12*s123^2*z12) + (CF*(-CA + 2*CF)*D*s1234*s23*s34*z1)/
    (8*s12*s123^2*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*
     s34*z1)/(s12*s124*s134*z12) - (CA*(CA - 2*CF)*s1234*s23*s34*z1)/
    (8*s12*s123*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*s34*z1)/(s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z1)/
    (s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*s34*z1)/(s12*s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s23^2*s34*z1)/
    (s12*s123*s134*s14*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s123*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s123*s234*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s124*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s34*z1)/(2*s124*s234*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z1)/
    (s12*s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s34*z1)/(2*s12*s123*s234*z12) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z1)/
    (s12*s124*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s34*z1)/(2*s12*s124*s234*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z1)/
    (s12*s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*s34*z1)/(2*s12*s123*s234*z12) - (CF*(-CA + 2*CF)*s1234*s24*s34*z1)/
    (4*s12*s124^2*z12) + (CF*(-CA + 2*CF)*D*s1234*s24*s34*z1)/
    (8*s12*s124^2*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*
     s34*z1)/(s12*s123*s124*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (2*s12*s123*s124*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1)/(s12*s124*s134*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (2*s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (8*s12*s123*s14*z12) - (CF*(-CA + 2*CF)*s1234*s24*s34*z1)/
    (4*s124^2*s14*z12) + (CF*(-CA + 2*CF)*D*s1234*s24*s34*z1)/
    (8*s124^2*s14*z12) + (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (8*s12*s124*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*s34*z1)/(s123*s124*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (2*s123*s124*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*s34*z1)/(s12*s123*s124*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*s34*z1)/
    (2*s12*s123*s124*s14*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (2*s123*s134*s14*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1)/(s124*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (2*s124*s134*s14*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*s34*z1)/(s12*s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*s34*z1)/
    (2*s12*s123*s134*s14*z12) - (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (8*s12*s124*s23*z12) + (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (8*s123*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (8*s124*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*s24*s34*z1)/
    (8*s12*s123*s14*s23*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*s34*z1)/(s12*s123*s124*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*s34*z1)/
    (2*s12*s123*s124*s14*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*s34*z1)/(s12*s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*s34*z1)/
    (2*s12*s123*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*s34*z1)/(s12*s124*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1)/
    (s12*s123*s234*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*s34*z1)/(s12*s124*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (2*s12*s124*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*s34*z1)/(s123*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1)/
    (s124*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*s34*z1)/(s12*s123*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s14*s24*s34*z1)/
    (s12*s124*s23*s234*z12) - (CF*(-CA + 2*CF)*s1234*s24^2*s34*z1)/
    (4*s12*s124^2*s14*z12) + (CF*(-CA + 2*CF)*D*s1234*s24^2*s34*z1)/
    (8*s12*s124^2*s14*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*s34*z1)/(s12*s124*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*s34*z1)/
    (2*s12*s124*s134*s14*z12) - (CA*(CA - 2*CF)*s1234*s24^2*s34*z1)/
    (8*s12*s124*s14*s23*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*s34*z1)/(s12*s124*s23*s234*z12) + 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s124*z14) + (CF*(-CA + 2*CF)*s12*s1234*z1)/
    (4*s134^2*z14) - (CA*(CA - 2*CF)*D*s1234*z1)/(16*s134*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z1)/
    (s124*s134*z14) + (CA*(CA - 2*CF)*s12*s1234*z1)/(8*s124*s14*z14) + 
   (CF*(-CA + 2*CF)*s12*s1234*s13*z1)/(4*s134^2*s14*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(8*s134*s14*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1)/(16*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12^2*s1234*z1)/
    (s124*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s134*s14*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(8*s134*s23*z14) - 
   (CA*(CA - 2*CF)*s12^2*s1234*z1)/(8*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z1)/(8*s134*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(8*s12*s124*z14) - 
   (CF*(-CA + 2*CF)*s1234*s23*z1)/(4*s134^2*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s23*z1)/(8*s134^2*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(8*s12*s134*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/(s124*s134*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (2*s124*s134*z14) + (CA*(CA - 2*CF)*s1234*s23*z1)/(8*s124*s14*z14) - 
   (CF*(-CA + 2*CF)*s1234*s13*s23*z1)/(4*s134^2*s14*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*s23*z1)/(8*s134^2*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z1)/
    (s124*s134*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s23*z1)/(2*s124*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s13*s23*z1)/
    (8*s12*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*z1)/(4*s234*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s234*z14) + (CA*(CA - 2*CF)*s12*s1234*z1)/
    (4*s14*s234*z14) - (CA*(CA - 2*CF)*D*s12*s1234*z1)/(16*s14*s234*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s14*s234*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s14*s234*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s124*s234*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*
     z1)/(2*s124*s234*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1)/(s134*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (2*s134*s234*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s23*z1)/(s124*s14*s234*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s23*z1)/
    (2*s124*s14*s234*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z1)/(s134*s14*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z1)/
    (2*s134*s14*s234*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s12*s123*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s123*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s124*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s124*z14) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24*z1)/(2*s12*s124^2*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*s24*z1)/(8*s12*s124^2*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s12*s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*z1)/(2*s12*s123*s124*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s12*s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*z1)/(2*s12*s123*s134*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s12*s124*s134*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*z1)/(2*s12*s124*s134*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s123*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s123*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s124*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s124*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(4*s12*s123*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s123*s14*z14) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24*z1)/(2*s124^2*s14*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*s24*z1)/(8*s124^2*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s124*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s124*s14*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s123*s124*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*z1)/(2*s123*s124*s14*z14) - (CF*(-CA + 2*CF)*s1234*s13*s24*z1)/
    (4*s134^2*s14*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s134*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z1)/
    (s124*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s12*s134*s14*z14) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13^2*s24*z1)/(s12*s123*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*s24*z1)/
    (2*s12*s123*s134*s14*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*s24*z1)/(s12*s124*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*s24*z1)/
    (2*s12*s124*s134*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s12*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (16*s12*s123*s23*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (4*s12*s124*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (16*s12*s124*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (16*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (4*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (16*s124*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s13^2*s24*z1)/
    (8*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13^2*s24*z1)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s13^2*s24*z1)/
    (4*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13^2*s24*z1)/
    (16*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s12*s1234*s24*z1)/
    (8*s134*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s134*s14*s23*z14) - (CF*(-CA + 2*CF)*s1234*s23*s24*z1)/
    (4*s12*s124^2*z14) + (CF*(-CA + 2*CF)*D*s1234*s23*s24*z1)/
    (8*s12*s124^2*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*s24*z1)/(s12*s123*s124*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z1)/
    (2*s12*s123*s124*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z1)/(s12*s123*s134*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z1)/
    (2*s12*s123*s134*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*s24*z1)/(s12*s124*s134*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z1)/
    (2*s12*s124*s134*z14) - (CF*(-CA + 2*CF)*s1234*s23*s24*z1)/
    (4*s124^2*s14*z14) + (CF*(-CA + 2*CF)*D*s1234*s23*s24*z1)/
    (8*s124^2*s14*z14) + (CA*(CA - 2*CF)*s1234*s23*s24*z1)/
    (8*s12*s124*s14*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*s24*z1)/(s123*s124*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z1)/
    (2*s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s23*s24*z1)/
    (8*s12*s134*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*s24*z1)/(s124*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z1)/
    (2*s124*s134*s14*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*s24*z1)/(s12*s123*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*s24*z1)/
    (2*s12*s123*s134*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*s24*z1)/(s12*s124*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*s24*z1)/
    (2*s12*s124*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s14*s234*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s14*s234*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1)/
    (s124*s14*s234*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*s24*z1)/(2*s124*s14*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1)/
    (s134*s14*s234*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (4*s12*s123*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (16*s12*s123*s14*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s12*s124*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (16*s12*s124*s14*z14) - (CF*(-CA + 2*CF)*s1234*s13*s24^2*z1)/
    (2*s12*s124^2*s14*z14) + (CF*(-CA + 2*CF)*D*s1234*s13*s24^2*z1)/
    (8*s12*s124^2*s14*z14) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24^2*z1)/(s12*s123*s124*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24^2*z1)/
    (2*s12*s123*s124*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s13*s24^2*z1)/
    (8*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24^2*z1)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s13*s24^2*z1)/
    (4*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24^2*z1)/
    (16*s12*s124*s14*s23*z14) - (CF*(-CA + 2*CF)*s1234*s23*s24^2*z1)/
    (4*s12*s124^2*s14*z14) + (CF*(-CA + 2*CF)*D*s1234*s23*s24^2*z1)/
    (8*s12*s124^2*s14*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24^2*z1)/(s12*s123*s124*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24^2*z1)/
    (2*s12*s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s12*s124*s34*z14) - (CF*(-CA + 2*CF)*s1234*s13*s24*z1)/
    (4*s134^2*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s12*s134*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z1)/(s124*s134*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s124*s14*s34*z14) - (CF*(-CA + 2*CF)*s1234*s13^2*s24*z1)/
    (4*s134^2*s14*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*s24*z1)/(s124*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*s24*z1)/(8*s12*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*s24*z1)/(8*s134*s14*s23*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*s24*z1)/(8*s134*s14*s23*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1)/(8*s12*s124*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1)/(8*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1)/(8*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*s24*z1)/(8*s12*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1)/(8*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1)/
    (s124*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*s24*z1)/(s134*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*s23*s24*z1)/
    (s124*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*s24*z1)/(s134*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24^2*z1)/(8*s12*s124*s14*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24^2*z1)/
    (s124*s134*s14*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s24^2*z1)/
    (8*s134*s14*s23*s34*z14) - (CA*(CA - 2*CF)*s1234*s23*s24^2*z1)/
    (8*s12*s124*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*s24^2*z1)/(s124*s14*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s12*s123*z14) + (CF*(-CA + 2*CF)*s1234*s34*z1)/(2*s124^2*z14) - 
   (CF*(-CA + 2*CF)*D*s1234*s34*z1)/(8*s124^2*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*
     z1)/(2*s123*s124*z14) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s123*s134*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s123*s134*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s124*s134*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s34*z1)/(2*s124*s134*z14) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s123*s14*z14) + (CF*(-CA + 2*CF)*s12*s1234*s34*z1)/
    (2*s124^2*s14*z14) - (CF*(-CA + 2*CF)*D*s12*s1234*s34*z1)/
    (8*s124^2*s14*z14) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s34*z1)/(s123*s124*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s34*z1)/
    (2*s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s13*s34*z1)/
    (8*s12*s123*s14*z14) + (CF*(-CA + 2*CF)*s12*s1234*s34*z1)/
    (4*s134^2*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/(16*s134*s14*z14) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z1)/
    (s123*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s34*z1)/(2*s123*s134*s14*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z1)/
    (s124*s134*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s34*z1)/(2*s124*s134*s14*z14) - (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/(16*s123*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(4*s124*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(16*s124*s23*z14) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s34*z1)/(8*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s34*z1)/(16*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*s34*z1)/(4*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s34*z1)/(16*s124*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z1)/(8*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/(16*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1)/(4*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/(16*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*s34*z1)/(8*s134*s14*s23*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z1)/
    (s12*s123*s124*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*s34*z1)/(s12*s123*s134*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z1)/
    (s123*s124*s14*z14) - (CF*(-CA + 2*CF)*s1234*s23*s34*z1)/
    (4*s134^2*s14*z14) + (CF*(-CA + 2*CF)*D*s1234*s23*s34*z1)/
    (8*s134^2*s14*z14) - (CA*(CA - 2*CF)*s1234*s23*s34*z1)/
    (8*s12*s134*s14*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*s34*z1)/(s12*s123*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (4*s14*s234*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/(16*s14*s234*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z1)/
    (s134*s14*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*s34*z1)/(2*s134*s14*s234*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (8*s12*s123*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (16*s12*s123*s14*z14) + (CF*(-CA + 2*CF)*s1234*s24*s34*z1)/
    (2*s124^2*s14*z14) - (CF*(-CA + 2*CF)*D*s1234*s24*s34*z1)/
    (8*s124^2*s14*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (8*s12*s124*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (16*s12*s124*s14*z14) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1)/(s123*s124*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (2*s123*s124*s14*z14) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*s34*z1)/(s12*s123*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*s34*z1)/
    (2*s12*s123*s134*s14*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*s34*z1)/(s12*s124*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*s34*z1)/
    (2*s12*s124*s134*s14*z14) - (3*CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (8*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (16*s123*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (4*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (16*s124*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s13*s24*s34*z1)/
    (8*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*s34*z1)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*s34*z1)/
    (4*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*s34*z1)/
    (16*s12*s124*s14*s23*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*s34*z1)/(s12*s123*s124*s14*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*s34*z1)/
    (s12*s123*s134*s14*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s24*s34*z1)/(2*s12*s123*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*s34*z1)/
    (s12*s124*s134*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s24*s34*z1)/(2*s12*s124*s134*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s34^2*z1)/(8*s12*s123*s14*z14) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34^2*z1)/
    (s123*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34^2*z1)/(2*s123*s134*s14*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34^2*z1)/
    (s124*s134*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34^2*z1)/(2*s124*s134*s14*z14) - (3*CA*(CA - 2*CF)*s1234*s34^2*z1)/
    (8*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34^2*z1)/
    (16*s123*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s34^2*z1)/
    (4*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34^2*z1)/
    (16*s124*s14*s23*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*s34^2*z1)/(s12*s123*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*z2)/
    (8*s123*z12) - (CA*(CA - 2*CF)*D*s1234*z2)/(16*s124*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s123*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s123*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s124*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s124*z12) + 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s134*z12) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s134*z12) + (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s134*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s134*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s134*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(8*s12*s134*s14*z12) + 
   (CF*(-CA + 2*CF)*s1234*s14*z2)/(2*s123^2*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s14*z2)/(8*s123^2*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s124*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s123*s124*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*
     z2)/(2*s123*s124*z12) + (CF*(-CA + 2*CF)*s1234*s13*s14*z2)/
    (2*s12*s123^2*z12) - (CF*(-CA + 2*CF)*D*s1234*s13*s14*z2)/
    (8*s12*s123^2*z12) + (CA*(CA - 2*CF)*s1234*s14*z2)/(4*s12*s134*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s134*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14^2*z2)/
    (s12*s123*s124*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14^2*z2)/(2*s12*s123*s124*z12) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s123*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s123*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(8*s12*s123*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(16*s12*s123*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2)/(8*s12*s123*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/(16*s12*s123*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(8*s12*s123*z12) + 
   (CF*(-CA + 2*CF)*s1234*s23*z2)/(4*s124^2*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(8*s12*s124*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z2)/(16*s12*s124*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*z2)/
    (s123*s124*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*
     s23*z2)/(s12*s123*s124*z12) + (CA*(CA - 2*CF)*s1234*s23*z2)/
    (4*s12*s134*z12) - (CA*(CA - 2*CF)*D*s1234*s23*z2)/(16*s12*s134*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2)/(8*s12*s134*s14*z12) + 
   (CF*(-CA + 2*CF)*s1234*s14*s23*z2)/(2*s12*s123^2*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s14*s23*z2)/(8*s12*s123^2*z12) + 
   (CF*(-CA + 2*CF)*s1234*s14*s23*z2)/(4*s12*s124^2*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23^2*z2)/
    (s12*s123*s124*z12) + (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s234*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s234*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s123*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*
     z2)/(2*s123*s234*z12) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2)/(s124*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (2*s124*s234*z12) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*z2)/(s12*s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z2)/
    (2*s12*s123*s234*z12) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14^2*z2)/(s12*s124*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14^2*z2)/
    (2*s12*s124*s234*z12) + (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s23*s234*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s23*s234*z12) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(4*s12*s23*s234*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(16*s12*s23*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(8*s23*s234*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2)/(8*s12*s23*s234*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/(16*s12*s23*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*s14^2*z2)/(8*s12*s23*s234*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s23*z2)/
    (s12*s123*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s23*z2)/(2*s12*s123*s234*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s12*s124*z12) - (CF*(-CA + 2*CF)*s1234*s13*s24*z2)/
    (2*s12*s123^2*z12) + (CF*(-CA + 2*CF)*D*s1234*s13*s24*z2)/
    (8*s12*s123^2*z12) - (CF*(-CA + 2*CF)*s1234*s13*s24*z2)/
    (4*s12*s124^2*z12) + (CA*(CA - 2*CF)*s1234*s24*z2)/(4*s12*s134*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s134*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s12*s123*s14*z12) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24*z2)/(4*s124^2*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2)/
    (s123*s124*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13^2*s24*z2)/(s12*s123*s124*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s12*s134*s14*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z2)/
    (s12*s123*s124*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s24*z2)/(2*s12*s123*s124*z12) - (CF*(-CA + 2*CF)*s1234*s13*s24*z2)/
    (2*s123^2*s23*z12) + (CF*(-CA + 2*CF)*D*s1234*s13*s24*z2)/
    (8*s123^2*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s123*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s123*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s124*s23*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z2)/(s123*s124*s23*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (2*s123*s124*s23*z12) - (CF*(-CA + 2*CF)*s1234*s13^2*s24*z2)/
    (2*s12*s123^2*s23*z12) + (CF*(-CA + 2*CF)*D*s1234*s13^2*s24*z2)/
    (8*s12*s123^2*s23*z12) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s123*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s124*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s13^2*s24*z2)/
    (8*s12*s123*s14*s23*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*s24*z2)/(s12*s123*s124*s23*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*s24*z2)/
    (2*s12*s123*s124*s23*z12) + (CF*(-CA + 2*CF)*s1234*s23*s24*z2)/
    (4*s12*s124^2*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*
     s23*s24*z2)/(s12*s123*s124*s14*z12) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2)/
    (s12*s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*z2)/(2*s12*s123*s234*z12) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z2)/
    (s12*s124*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s24*z2)/(2*s12*s124*s234*z12) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (4*s12*s23*s234*z12) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s23*s234*z12) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s123*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (2*s123*s23*s234*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (2*s124*s23*s234*z12) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*s24*z2)/(s12*s123*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*s24*z2)/
    (2*s12*s123*s23*s234*z12) - (CA*(CA - 2*CF)*s1234*s14*s24*z2)/
    (8*s12*s23*s234*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*s24*z2)/(s12*s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*s24*z2)/
    (2*s12*s124*s23*s234*z12) - (CF*(-CA + 2*CF)*s1234*s13*s24^2*z2)/
    (4*s12*s124^2*s14*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24^2*z2)/(s12*s123*s124*s23*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24^2*z2)/
    (2*s12*s123*s124*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*s24^2*z2)/
    (8*s12*s124*s14*s23*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24^2*z2)/(s12*s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24^2*z2)/
    (2*s12*s124*s23*s234*z12) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (4*s123*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s123*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2)/(4*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14^2*z2)/(4*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14^2*z2)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(8*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2)/(8*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*s23*z2)/(4*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s23*z2)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*s23*z2)/(8*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23^2*z2)/(8*s12*s124*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(8*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z2)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/(16*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s14^2*z2)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14^2*z2)/(16*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s14*s23*z2)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s23*z2)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(4*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13^2*s24*z2)/(8*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2)/(4*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/(16*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(4*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13^2*s24*z2)/(4*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*s24*z2)/(16*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*s24*z2)/(4*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*s24*z2)/(16*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z2)/(8*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*s24*z2)/(8*s12*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z2)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/(16*s12*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s23*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*s24*z2)/(8*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*s24*z2)/(16*s12*s23*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*s24*z2)/(8*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*s24*z2)/(16*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24^2*z2)/(8*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24^2*z2)/(4*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24^2*z2)/(16*s12*s123*s23*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24^2*z2)/(8*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24^2*z2)/(16*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(8*s12*s123*z12) - 
   (CF*(-CA + 2*CF)*s1234*s34*z2)/(4*s124^2*z12) + 
   (CF*(-CA + 2*CF)*D*s1234*s34*z2)/(8*s124^2*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/(s123*s124*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (2*s123*s124*z12) - (CF*(-CA + 2*CF)*s1234*s13*s34*z2)/
    (4*s12*s123^2*z12) + (CF*(-CA + 2*CF)*D*s1234*s13*s34*z2)/
    (8*s12*s123^2*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*
     s34*z2)/(s12*s123*s124*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z2)/
    (2*s12*s123*s124*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s123*s134*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (2*s123*s134*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z2)/(s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s34*z2)/(2*s124*s134*z12) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s12*s123*s134*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s34*z2)/(2*s12*s123*s134*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s12*s124*s134*z12) - (CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (8*s12*s123*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s34*z2)/(s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s13^2*s34*z2)/(s12*s123*s134*s14*z12) - 
   (CF*(-CA + 2*CF)*s1234*s14*s34*z2)/(4*s12*s124^2*z12) + 
   (CF*(-CA + 2*CF)*D*s1234*s14*s34*z2)/(8*s12*s124^2*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z2)/
    (s12*s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s34*z2)/(2*s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s123*s23*z12) - (CA*(CA - 2*CF)*s1234*s34*z2)/(8*s124*s23*z12) - 
   (CF*(-CA + 2*CF)*s1234*s13*s34*z2)/(4*s123^2*s23*z12) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*s34*z2)/(8*s123^2*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2)/(8*s12*s123*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2)/(8*s12*s124*s23*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s123*s124*s23*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s34*z2)/(2*s123*s124*s23*z12) - (CF*(-CA + 2*CF)*s1234*s13^2*s34*z2)/
    (4*s12*s123^2*s23*z12) + (CF*(-CA + 2*CF)*D*s1234*s13^2*s34*z2)/
    (8*s12*s123^2*s23*z12) - (CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (8*s123*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (8*s124*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s13^2*s34*z2)/
    (8*s12*s123*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s14*s34*z2)/
    (8*s12*s124*s23*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*s34*z2)/(s12*s123*s124*s23*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*s34*z2)/
    (2*s12*s123*s124*s23*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s34*z2)/(s12*s123*s124*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*s34*z2)/
    (2*s12*s123*s124*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s34*z2)/(s12*s123*s134*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*s34*z2)/
    (2*s12*s123*s134*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*s34*z2)/(s12*s123*s134*s14*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s12*s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s34*z2)/(2*s12*s123*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z2)/
    (s12*s123*s234*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s34*z2)/(s123*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z2)/
    (2*s123*s23*s234*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z2)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z2)/
    (2*s124*s23*s234*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*s34*z2)/(s12*s123*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*s34*z2)/
    (2*s12*s123*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s34*z2)/(s123*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z2)/
    (s124*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*s34*z2)/(s12*s123*s23*s234*z12) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*s34*z2)/
    (s12*s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s14*s34*z2)/(2*s12*s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s14^2*s34*z2)/
    (s12*s124*s23*s234*z12) - (CF*(-CA + 2*CF)*s1234*s24*s34*z2)/
    (4*s12*s124^2*z12) + (CF*(-CA + 2*CF)*D*s1234*s24*s34*z2)/
    (8*s12*s124^2*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*s34*z2)/(s12*s124*s134*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z2)/
    (2*s12*s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*s34*z2)/(s12*s124*s134*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z2)/(8*s12*s124*s23*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*s34*z2)/
    (s12*s123*s124*s23*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*s34*z2)/(2*s12*s123*s124*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*s34*z2)/(8*s12*s124*s14*s23*z12) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*s34*z2)/
    (s12*s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*s34*z2)/(2*s12*s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s14*s24*s34*z2)/
    (s12*s124*s23*s234*z12) - (CA*(CA - 2*CF)*s1234*z2)/(4*s123*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s123*z14) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s124*z14) - (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s123*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s123*z14) + 
   (CF*(-CA + 2*CF)*s1234*s13*z2)/(2*s124^2*z14) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z2)/(8*s124^2*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s124*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s124*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*
     z2)/(2*s123*s124*z14) - (CF*(-CA + 2*CF)*s1234*s13*z2)/(4*s134^2*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*z2)/(8*s134^2*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z2)/
    (s124*s134*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     z2)/(2*s124*s134*z14) - (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s134*z14) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z2)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13^2*z2)/(2*s12*s123*s134*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z2)/
    (s12*s124*s134*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13^2*z2)/(2*s12*s124*s134*z14) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (4*s12*s123*z14) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s123*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s124*z14) + 
   (CF*(-CA + 2*CF)*s1234*s13*s14*z2)/(2*s12*s124^2*z14) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*s14*z2)/(8*s12*s124^2*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2)/
    (s12*s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s14*z2)/(2*s12*s123*s124*z14) - (CF*(-CA + 2*CF)*s1234*s14*z2)/
    (2*s134^2*z14) + (CF*(-CA + 2*CF)*D*s1234*s14*z2)/(8*s134^2*z14) - 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s134*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s124*s134*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*
     z2)/(2*s124*s134*z14) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2)/(s12*s123*s134*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z2)/
    (2*s12*s123*s134*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2)/(s12*s124*s134*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z2)/
    (2*s12*s124*s134*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s123*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s124*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s124*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/(8*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(16*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(4*s12*s124*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(16*s12*s124*s23*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z2)/(4*s134*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z2)/(16*s134*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s134*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s134*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z2)/(8*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/(16*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2)/(4*s12*s124*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/(16*s12*s124*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(4*s134*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s134*s23*z14) + 
   (CF*(-CA + 2*CF)*s1234*s23*z2)/(4*s124^2*z14) - 
   (CF*(-CA + 2*CF)*D*s1234*s23*z2)/(8*s124^2*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z2)/
    (s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*
     z2)/(2*s123*s124*z14) - (CA*(CA - 2*CF)*s1234*s23*z2)/(8*s12*s134*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z2)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s23*z2)/(2*s12*s123*s134*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z2)/
    (s12*s124*s134*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s23*z2)/(2*s12*s124*s134*z14) + (CF*(-CA + 2*CF)*s1234*s14*s23*z2)/
    (4*s12*s124^2*z14) - (CF*(-CA + 2*CF)*D*s1234*s14*s23*z2)/
    (8*s12*s124^2*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*s23*z2)/(s12*s123*s124*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s23*z2)/
    (2*s12*s123*s124*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s23*z2)/(s12*s123*s134*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s23*z2)/
    (2*s12*s123*s134*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*s23*z2)/(s12*s124*s134*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s23*z2)/
    (2*s12*s124*s134*z14) + (CA*(CA - 2*CF)*s1234*z2)/(8*s234*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z2)/
    (s124*s234*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     z2)/(2*s124*s234*z14) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s134*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (2*s134*s234*z14) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s124*s234*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*z2)/(2*s124*s234*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s134*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*
     z2)/(2*s134*s234*z14) + (3*CA*(CA - 2*CF)*s12*s1234*z2)/
    (8*s23*s234*z14) - (CA*(CA - 2*CF)*D*s12*s1234*z2)/(16*s23*s234*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s23*s234*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s23*s234*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(8*s23*s234*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s23*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*z2)/
    (s134*s234*z14) - (CA*(CA - 2*CF)*s1234*s24*z2)/(4*s12*s123*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s123*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s124*z14) + 
   (CF*(-CA + 2*CF)*s1234*s13*s24*z2)/(2*s12*s124^2*z14) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*s24*z2)/(8*s12*s124^2*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2)/
    (s12*s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*z2)/(2*s12*s123*s124*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2)/
    (s124*s134*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*
     z2)/(2*s124*s134*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s123*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (4*s12*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s124*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z2)/(4*s134*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s134*s23*z14) + 
   (CF*(-CA + 2*CF)*s1234*s23*s24*z2)/(4*s12*s124^2*z14) - 
   (CF*(-CA + 2*CF)*D*s1234*s23*s24*z2)/(8*s12*s124^2*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z2)/
    (s12*s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*s24*z2)/(2*s12*s123*s124*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2)/
    (s124*s234*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*
     z2)/(2*s124*s234*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s23*s234*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s23*s234*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s124*s34*z14) + 
   (CF*(-CA + 2*CF)*s1234*s13^2*z2)/(4*s134^2*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z2)/
    (s124*s134*s34*z14) - (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (8*s12*s134*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (8*s12*s124*s34*z14) + (CF*(-CA + 2*CF)*s1234*s13*s14*z2)/
    (4*s134^2*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (8*s12*s134*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*z2)/(s124*s134*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*s13*z2)/
    (8*s134*s23*s34*z14) - (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (8*s134*s23*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (8*s134*s23*s34*z14) + (CA*(CA - 2*CF)*s1234*s23*z2)/(8*s124*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2)/(8*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*s23*z2)/(8*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s14*s23*z2)/(8*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z2)/(8*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(8*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z2)/
    (s124*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*z2)/(s134*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s23*z2)/
    (s124*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*s23*z2)/(s134*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s124*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z2)/(s124*s134*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s134*s23*s34*z14) + (CA*(CA - 2*CF)*s1234*s23*s24*z2)/
    (8*s12*s124*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z2)/(8*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z2)/
    (s124*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s34*z2)/(4*s12*s123*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(16*s12*s123*z14) - 
   (CF*(-CA + 2*CF)*s1234*s34*z2)/(4*s124^2*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(8*s12*s124*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(16*s12*s124*z14) - 
   (CF*(-CA + 2*CF)*s1234*s34*z2)/(2*s134^2*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s34*z2)/(8*s134^2*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(8*s12*s134*z14) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s34*z2)/(2*s12*s123*s134*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s12*s124*s134*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s34*z2)/(2*s12*s124*s134*z14) - (CF*(-CA + 2*CF)*s1234*s14*s34*z2)/
    (4*s12*s124^2*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*
     s34*z2)/(s12*s124*s134*z14) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s124*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (8*s12*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/
    (16*s12*s123*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (8*s12*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/
    (16*s12*s124*s23*z14) + (CA*(CA - 2*CF)*s1234*s34*z2)/(4*s134*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(16*s134*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*s34*z2)/(8*s12*s124*s23*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z2)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*s34*z2)/(2*s12*s123*s134*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z2)/
    (s12*s124*s134*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*s34*z2)/(2*s12*s124*s134*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s134*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*
     z2)/(2*s134*s234*z14) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s23*s234*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/(16*s23*s234*z14) - 
   (CF*(-CA + 2*CF)*s1234*s24*s34*z2)/(4*s12*s124^2*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z2)/(8*s12*s124*s23*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34^2*z2)/
    (s12*s124*s134*z14) + (CA*(CA - 2*CF)*s1234*s34^2*z2)/
    (8*s12*s124*s23*z14) - (CA*(CA - 2*CF)*s1234*z1*z2)/(4*s124*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s124*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s134*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(4*s12*s134*z12*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z2)/(8*s124*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s124*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s134*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/(8*s12*s134*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s124*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s134*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(8*s12*s124*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(8*s12*s134*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(8*s124*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z2)/(8*s12*s134*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(4*s12*s124*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s12*s134*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(4*s124*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(8*s12*s124*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(8*s12*s134*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z2)/(8*s12*s124*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/(8*s12*s124*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s12*s123*z12*z14) + 
   (CF*(-CA + 2*CF)*s1234*s34*z1*z2)/(2*s124^2*z12*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z1*z2)/
    (s123*s124*z12*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s34*z1*z2)/(s12*s123*s124*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s12*s134*z12*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1*z2)/
    (s123*s134*z12*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1*z2)/(s124*s134*z12*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z1*z2)/
    (s12*s123*s134*z12*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z1*z2)/(s12*s124*s134*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s123*s14*z12*z14) + 
   (CF*(-CA + 2*CF)*s12*s1234*s34*z1*z2)/(4*s124^2*s14*z12*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s34*z1*z2)/
    (s123*s124*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (8*s12*s123*s14*z12*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z1*z2)/(s123*s124*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s134*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(8*s12*s134*s14*z12*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z1*z2)/
    (s123*s134*s14*z12*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z1*z2)/(s124*s134*s14*z12*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*s34*z1*z2)/
    (s12*s123*s134*s14*z12*z14) + (CF*(-CA + 2*CF)*s1234*s14*s34*z1*z2)/
    (4*s12*s124^2*z12*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s14*s34*z1*z2)/(s12*s124*s134*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s123*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(4*s124*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(8*s12*s123*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(8*s12*s124*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*s34*z1*z2)/(8*s123*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*s34*z1*z2)/(8*s124*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(4*s123*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(8*s124*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*s34*z1*z2)/(8*s12*s123*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s14*s34*z1*z2)/(8*s12*s124*s23*z12*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z1*z2)/
    (s12*s123*s124*z12*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s34*z1*z2)/(s12*s123*s134*z12*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z1*z2)/
    (s123*s124*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*s34*z1*z2)/
    (8*s12*s134*s14*z12*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*s34*z1*z2)/(s12*s123*s134*s14*z12*z14) + 
   (CF*(-CA + 2*CF)*s1234*s24*s34*z1*z2)/(2*s12*s124^2*z12*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1*z2)/
    (s12*s124*s134*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (8*s12*s123*s14*z12*z14) + (CF*(-CA + 2*CF)*s1234*s24*s34*z1*z2)/
    (2*s124^2*s14*z12*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1*z2)/(s123*s124*s14*z12*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*s34*z1*z2)/
    (s12*s123*s124*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (8*s12*s134*s14*z12*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*s34*z1*z2)/(s12*s124*s134*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(4*s12*s124*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(8*s123*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(4*s124*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*s34*z1*z2)/(8*s12*s123*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*s34*z1*z2)/(8*s12*s124*s14*s23*z12*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*s24*s34*z1*z2)/
    (s12*s123*s124*s14*z12*z14) + (CF*(-CA + 2*CF)*s1234*s24^2*s34*z1*z2)/
    (4*s12*s124^2*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24^2*s34*z1*z2)/
    (8*s12*s124*s14*s23*z12*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34^2*z1*z2)/
    (s12*s124*s134*z12*z14) + (CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/
    (8*s12*s123*s14*z12*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34^2*z1*z2)/(s123*s134*s14*z12*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34^2*z1*z2)/
    (s124*s134*s14*z12*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34^2*z1*z2)/(s12*s123*s134*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/(8*s12*s124*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/(8*s123*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/(8*s124*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s34^2*z1*z2)/(8*s12*s123*s14*s23*z12*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s34^2*z1*z2)/
    (s12*s123*s134*s14*z12*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34^2*z1*z2)/(s12*s124*s134*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*s34^2*z1*z2)/(8*s12*s124*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s123*z23) - (CA*(CA - 2*CF)*s1234*z1)/
    (4*s124*z23) + (CA*(CA - 2*CF)*D*s1234*z1)/(16*s124*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s123*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s12*s124*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s124*z23) + 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s134*z23) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z1)/
    (s123*s134*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     z1)/(2*s123*s134*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z1)/(s123*s134*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z1)/
    (2*s123*s134*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z1)/(8*s134*s14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1)/(16*s134*s14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(8*s134*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s134*s14*z23) + 
   (CF*(-CA + 2*CF)*s1234*s14*z1)/(4*s123^2*z23) - 
   (CF*(-CA + 2*CF)*D*s1234*s14*z1)/(8*s123^2*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z1)/
    (s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*
     z1)/(2*s123*s124*z23) + (CF*(-CA + 2*CF)*s1234*s13*s14*z1)/
    (4*s12*s123^2*z23) - (CF*(-CA + 2*CF)*D*s1234*s13*s14*z1)/
    (8*s12*s123^2*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*z1)/(s12*s123*s124*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z1)/
    (2*s12*s123*s124*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (16*s12*s123*z23) - (CA*(CA - 2*CF)*s1234*s23*z1)/(4*s12*s124*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s12*s124*z23) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s123*s134*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*
     z1)/(2*s123*s134*z23) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (8*s134*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s134*s14*z23) + 
   (CF*(-CA + 2*CF)*s1234*s14*s23*z1)/(4*s12*s123^2*z23) - 
   (CF*(-CA + 2*CF)*D*s1234*s14*s23*z1)/(8*s12*s123^2*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s23*z1)/
    (s12*s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s23*z1)/(2*s12*s123*s124*z23) - (CF*(-CA + 2*CF)*s1234*s23*z1)/
    (2*s234^2*z23) + (CF*(-CA + 2*CF)*D*s1234*s23*z1)/(8*s234^2*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z1)/
    (s123*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     z1)/(2*s123*s234*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z1)/(s123*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z1)/
    (2*s123*s234*z23) + (CA*(CA - 2*CF)*s12*s1234*z1)/(4*s14*s234*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1)/(16*s14*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s14*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s14*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(8*s12*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z1)/
    (s134*s234*z23) - (CA*(CA - 2*CF)*s1234*s23*z1)/(8*s12*s234*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s123*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*
     z1)/(2*s123*s234*z23) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1)/(s134*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (2*s134*s234*z23) + (CA*(CA - 2*CF)*s1234*s23*z1)/(4*s14*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s14*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*s23*z1)/
    (s12*s123*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s23*z1)/(2*s12*s123*s234*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s23*z1)/
    (s12*s124*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s23*z1)/(2*s12*s124*s234*z23) + (CF*(-CA + 2*CF)*s1234*s24*z1)/
    (2*s123^2*z23) - (CF*(-CA + 2*CF)*D*s1234*s24*z1)/(8*s123^2*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s123*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s123*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s12*s124*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s124*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*
     z1)/(2*s123*s124*z23) + (CF*(-CA + 2*CF)*s1234*s13*s24*z1)/
    (2*s12*s123^2*z23) - (CF*(-CA + 2*CF)*D*s1234*s13*s24*z1)/
    (8*s12*s123^2*z23) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z1)/(s12*s123*s124*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (2*s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s123*s14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(8*s124*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s124*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(4*s12*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s123*s14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s124*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s124*s14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(8*s134*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s134*s14*z23) + 
   (CF*(-CA + 2*CF)*s1234*s23*s24*z1)/(2*s12*s123^2*z23) - 
   (CF*(-CA + 2*CF)*D*s1234*s23*s24*z1)/(8*s12*s123^2*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1)/
    (s12*s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*s24*z1)/(2*s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*s23*s24*z1)/
    (4*s12*s123*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/
    (16*s12*s123*s14*z23) - (3*CA*(CA - 2*CF)*s1234*s23*s24*z1)/
    (8*s12*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/
    (16*s12*s124*s14*z23) - (CF*(-CA + 2*CF)*s1234*s24*z1)/(4*s234^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s24*z1)/(8*s234^2*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s12*s234*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s134*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*
     z1)/(2*s134*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s14*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s14*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z1)/
    (s12*s123*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s24*z1)/(2*s12*s123*s234*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z1)/
    (s12*s124*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s24*z1)/(2*s12*s124*s234*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1)/
    (s12*s123*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*s24*z1)/(2*s12*s123*s234*z23) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1)/
    (s12*s124*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*s24*z1)/(2*s12*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (4*s12*s123*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (16*s12*s123*s14*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s12*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (16*s12*s124*s14*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s12*s123*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z1)/
    (2*s12*s123*s234*z23) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s12*s124*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z1)/
    (2*s12*s124*s234*z23) + (CA*(CA - 2*CF)*s12*s1234*z1)/(8*s134*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s134*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(8*s123*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1)/(8*s12*s123*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z1)/
    (s123*s134*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*z1)/(s123*s134*s34*z23) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (8*s134*s34*z23) + (CA*(CA - 2*CF)*s1234*s14*s23*z1)/
    (8*s12*s123*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*s23*z1)/(s123*s134*s34*z23) - (CA*(CA - 2*CF)*s1234*s14*s23*z1)/
    (8*s12*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*s23*z1)/(s134*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s123*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s12*s123*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s134*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1)/(8*s12*s123*s34*z23) + 
   (CF*(-CA + 2*CF)*s1234*s23*s24*z1)/(4*s234^2*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z1)/
    (s123*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z1)/(s123*s234*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z1)/
    (8*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s14*s24*z1)/
    (8*s12*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*s24*z1)/(s134*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s23*s24*z1)/
    (8*s12*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*s24*z1)/(s123*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s23*s24*z1)/
    (8*s14*s234*s34*z23) + (CF*(-CA + 2*CF)*s1234*s24^2*z1)/
    (4*s234^2*s34*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s12*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s14*s234*s34*z23) - (CF*(-CA + 2*CF)*s1234*s34*z1)/(4*s123^2*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(8*s12*s123*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(16*s12*s123*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(4*s12*s124*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(16*s12*s124*z23) - 
   (CF*(-CA + 2*CF)*s1234*s13*s34*z1)/(4*s12*s123^2*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(8*s123*s14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1)/(8*s12*s123*s14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z1)/(8*s134*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(16*s134*s14*z23) - 
   (CF*(-CA + 2*CF)*s1234*s23*s34*z1)/(4*s12*s123^2*z23) + 
   (CA*(CA - 2*CF)*s1234*s23*s34*z1)/(8*s12*s123*s14*z23) - 
   (CF*(-CA + 2*CF)*s1234*s34*z1)/(2*s234^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s34*z1)/(8*s234^2*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(8*s12*s234*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s134*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*
     z1)/(2*s134*s234*z23) + (CA*(CA - 2*CF)*s1234*s34*z1)/(4*s14*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(16*s14*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z1)/
    (s12*s123*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s34*z1)/(2*s12*s123*s234*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z1)/
    (s12*s124*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s34*z1)/(2*s12*s124*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z1)/
    (s12*s123*s234*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (8*s12*s123*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (16*s12*s123*s14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (8*s12*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (16*s12*s124*s14*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*s34*z1)/(s12*s123*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (2*s12*s123*s234*z23) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1)/(s12*s124*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (2*s12*s124*s234*z23) + (CA*(CA - 2*CF)*s1234*s34^2*z1)/
    (8*s12*s123*s14*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34^2*z1)/(s12*s123*s234*z23) + (CA*(CA - 2*CF)*s1234*z2)/(8*s123*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s123*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s123*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s124*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s124*z23) + 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s134*z23) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s134*z23) + (CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s123*z23) - 
   (CF*(-CA + 2*CF)*s1234*s13*s14*z2)/(4*s12*s123^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*s14*z2)/(8*s12*s123^2*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2)/
    (s12*s123*s124*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s14*z2)/(2*s12*s123*s124*z23) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s123*s134*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*
     z2)/(2*s123*s134*z23) + (CA*(CA - 2*CF)*s12*s1234*z2)/(8*s123*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s123*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s123*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s124*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s124*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(8*s12*s123*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(16*s12*s123*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(4*s12*s124*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(16*s12*s124*s23*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z2)/(4*s134*s23*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z2)/(16*s134*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s134*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s134*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(8*s123*s23*z23) - 
   (CF*(-CA + 2*CF)*s1234*s13*s14*z2)/(4*s123^2*s23*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*s14*z2)/(8*s123^2*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2)/(8*s12*s123*s23*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2)/
    (s123*s124*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s14*z2)/(2*s123*s124*s23*z23) - (CF*(-CA + 2*CF)*s1234*s13^2*s14*z2)/
    (4*s12*s123^2*s23*z23) + (CF*(-CA + 2*CF)*D*s1234*s13^2*s14*z2)/
    (8*s12*s123^2*s23*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*s14*z2)/(s12*s123*s124*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*s14*z2)/
    (2*s12*s123*s124*s23*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s14*z2)/(s123*s134*s23*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s14*z2)/
    (2*s123*s134*s23*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2)/(s123*s134*s23*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z2)/
    (2*s123*s134*s23*z23) + (CF*(-CA + 2*CF)*s12*s1234*z2)/(4*s234^2*z23) - 
   (CF*(-CA + 2*CF)*s1234*s14*z2)/(4*s234^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s14*z2)/(8*s234^2*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z2)/
    (s123*s234*z23) - (CA*(CA - 2*CF)*s12*s1234*z2)/(8*s14*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/(s123*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (2*s123*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*
     s14*z2)/(s12*s123*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z2)/
    (2*s12*s123*s234*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2)/(s12*s124*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z2)/
    (2*s12*s124*s234*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2)/(s134*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (2*s134*s234*z23) + (CA*(CA - 2*CF)*s12*s1234*z2)/(8*s23*s234*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z2)/(16*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12^2*s1234*z2)/
    (s123*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s23*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z2)/
    (s123*s23*s234*z23) - (CA*(CA - 2*CF)*s12^2*s1234*z2)/
    (8*s14*s23*s234*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z2)/
    (8*s14*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s14*z2)/(s123*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s14*z2)/
    (2*s123*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (8*s12*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*z2)/(s123*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z2)/
    (2*s123*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*z2)/(s134*s23*s234*z23) - (CF*(-CA + 2*CF)*s1234*s13*s24*z2)/
    (2*s12*s123^2*z23) + (CF*(-CA + 2*CF)*D*s1234*s13*s24*z2)/
    (8*s12*s123^2*z23) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z2)/(s12*s123*s124*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (2*s12*s123*s124*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (4*s12*s123*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s123*s14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s124*s14*z23) - (CF*(-CA + 2*CF)*s1234*s13*s24*z2)/
    (2*s123^2*s23*z23) + (CF*(-CA + 2*CF)*D*s1234*s13*s24*z2)/
    (8*s123^2*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s123*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s123*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (4*s12*s124*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s124*s23*z23) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s123*s124*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (2*s123*s124*s23*z23) - (CF*(-CA + 2*CF)*s1234*s13^2*s24*z2)/
    (2*s12*s123^2*s23*z23) + (CF*(-CA + 2*CF)*D*s1234*s13^2*s24*z2)/
    (8*s12*s123^2*s23*z23) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*s24*z2)/(s12*s123*s124*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*s24*z2)/
    (2*s12*s123*s124*s23*z23) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s134*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s134*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(4*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s123*s14*s23*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*s24*z2)/(4*s12*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*s24*z2)/(16*s12*s123*s14*s23*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*s24*z2)/(8*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*s24*z2)/(16*s12*s124*s14*s23*z23) + 
   (CF*(-CA + 2*CF)*s12*s1234*s24*z2)/(4*s23*s234^2*z23) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24*z2)/(4*s23*s234^2*z23) - 
   (CF*(-CA + 2*CF)*s1234*s14*s24*z2)/(4*s23*s234^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s14*s24*z2)/(8*s23*s234^2*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2)/
    (s12*s123*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*z2)/(2*s12*s123*s234*z23) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2)/
    (s12*s124*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*z2)/(2*s12*s124*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s23*s234*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z2)/
    (8*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s14*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s14*s24*z2)/
    (8*s12*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*s24*z2)/(s12*s123*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*s24*z2)/
    (2*s12*s123*s23*s234*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*s24*z2)/(s12*s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*s24*z2)/
    (2*s12*s124*s23*s234*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z2)/(s134*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z2)/
    (2*s134*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s13*s24^2*z2)/
    (4*s12*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24^2*z2)/
    (16*s12*s123*s14*s23*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24^2*z2)/
    (8*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24^2*z2)/
    (16*s12*s124*s14*s23*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24^2*z2)/(s12*s123*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24^2*z2)/
    (2*s12*s123*s23*s234*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24^2*z2)/(s12*s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24^2*z2)/
    (2*s12*s124*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s134*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (8*s12*s123*s34*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*z2)/(s123*s134*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z2)/
    (8*s134*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (8*s134*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (8*s123*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13^2*s14*z2)/
    (8*s12*s123*s23*s34*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13*s14*z2)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13^2*s14*z2)/
    (s123*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (8*s12*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*z2)/(s134*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s123*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s123*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13^2*s24*z2)/
    (8*s12*s123*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s134*s23*s34*z23) - (CF*(-CA + 2*CF)*s1234*s13*s24*z2)/
    (4*s234^2*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z2)/(s123*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s14*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*s24*z2)/(s123*s23*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*s24*z2)/
    (s123*s23*s234*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*s24*z2)/
    (8*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s13^2*s24*z2)/
    (8*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s14*s24*z2)/
    (8*s12*s23*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*s24*z2)/(s134*s23*s234*s34*z23) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24^2*z2)/(4*s23*s234^2*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24^2*z2)/(8*s12*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24^2*z2)/(8*s14*s23*s234*s34*z23) + 
   (CF*(-CA + 2*CF)*s1234*s34*z2)/(2*s123^2*z23) - 
   (CF*(-CA + 2*CF)*D*s1234*s34*z2)/(8*s123^2*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(8*s12*s124*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*
     z2)/(2*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*s34*z2)/(4*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(16*s123*s14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z2)/(8*s124*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(16*s124*s14*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z2)/
    (s12*s123*s124*z23) + (CF*(-CA + 2*CF)*s12*s1234*s34*z2)/
    (2*s123^2*s23*z23) - (CF*(-CA + 2*CF)*D*s12*s1234*s34*z2)/
    (8*s123^2*s23*z23) - (CA*(CA - 2*CF)*s1234*s34*z2)/(8*s124*s23*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s34*z2)/
    (s123*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s34*z2)/(2*s123*s124*s23*z23) + (CF*(-CA + 2*CF)*s1234*s13*s34*z2)/
    (2*s123^2*s23*z23) - (CF*(-CA + 2*CF)*D*s1234*s13*s34*z2)/
    (8*s123^2*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (8*s12*s123*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/
    (16*s12*s123*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (8*s12*s124*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/
    (16*s12*s124*s23*z23) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z2)/(s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z2)/
    (2*s123*s124*s23*z23) + (CA*(CA - 2*CF)*s1234*s34*z2)/(4*s134*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(16*s134*s23*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s34*z2)/(4*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s34*z2)/(16*s123*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s34*z2)/(8*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s34*z2)/(16*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2)/(4*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/(16*s123*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z2)/(8*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/(16*s124*s14*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z2)/
    (s123*s124*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*s34*z2)/(s12*s123*s124*s23*z23) + 
   (CF*(-CA + 2*CF)*s12*s1234*s34*z2)/(4*s23*s234^2*z23) - 
   (CF*(-CA + 2*CF)*s1234*s14*s34*z2)/(4*s23*s234^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s14*s34*z2)/(8*s23*s234^2*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s123*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*
     z2)/(2*s123*s234*z23) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s124*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (2*s124*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s14*
     s34*z2)/(s12*s124*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s23*s234*z23) - (CA*(CA - 2*CF)*s12*s1234*s34*z2)/
    (8*s14*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s14*s34*z2)/
    (8*s12*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*s34*z2)/(s12*s123*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*s34*z2)/
    (2*s12*s123*s23*s234*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*s34*z2)/(s12*s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*s34*z2)/
    (2*s12*s124*s23*s234*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s34*z2)/(s134*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s34*z2)/
    (2*s134*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z2)/
    (8*s12*s124*s23*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z2)/
    (4*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/
    (16*s123*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s24*s34*z2)/
    (8*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/
    (16*s124*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*s34*z2)/
    (4*s12*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*s34*z2)/
    (16*s12*s123*s14*s23*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*s34*z2)/
    (8*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*s34*z2)/
    (16*s12*s124*s14*s23*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z2)/(s123*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z2)/
    (2*s123*s23*s234*z23) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z2)/(s124*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z2)/
    (2*s124*s23*s234*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*s34*z2)/(s12*s123*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*s34*z2)/
    (2*s12*s123*s23*s234*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*s34*z2)/(s12*s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*s34*z2)/
    (2*s12*s124*s23*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*s34*z2)/(s12*s124*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s34^2*z2)/(8*s12*s124*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s34^2*z2)/(4*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34^2*z2)/(16*s123*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34^2*z2)/(8*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34^2*z2)/(16*s124*s14*s23*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34^2*z2)/
    (s123*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34^2*z2)/(2*s123*s23*s234*z23) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34^2*z2)/
    (s124*s23*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34^2*z2)/(2*s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s14*s34^2*z2)/
    (s12*s124*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*z1*z2)/(4*s123*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(4*s12*s123*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s123*z12*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z2)/(8*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(4*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/(8*s12*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1*z2)/(8*s12*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(8*s12*s123*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(8*s12*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s12*s123*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(8*s12*s123*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(4*s12*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s23*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(8*s12*s23*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z2)/(8*s12*s23*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/(8*s12*s23*s234*z12*z23) + 
   (CF*(-CA + 2*CF)*s1234*s34*z1*z2)/(2*s123^2*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s12*s124*z12*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z1*z2)/
    (s123*s124*z12*z23) + (CF*(-CA + 2*CF)*s1234*s13*s34*z1*z2)/
    (2*s12*s123^2*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s124*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (4*s12*s123*s14*z12*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s14*s34*z1*z2)/(s12*s123*s124*z12*z23) + 
   (CF*(-CA + 2*CF)*s12*s1234*s34*z1*z2)/(4*s123^2*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s124*s23*z12*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s34*z1*z2)/
    (s123*s124*s23*z12*z23) + (CF*(-CA + 2*CF)*s1234*s13*s34*z1*z2)/
    (2*s123^2*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (8*s12*s124*s23*z12*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z1*z2)/(s123*s124*s23*z12*z23) + 
   (CF*(-CA + 2*CF)*s1234*s13^2*s34*z1*z2)/(4*s12*s123^2*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s34*z1*z2)/(8*s123*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s34*z1*z2)/(8*s124*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(4*s123*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(8*s124*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*s34*z1*z2)/(8*s12*s123*s14*s23*z12*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z1*z2)/
    (s123*s124*s23*z12*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*s34*z1*z2)/(s12*s123*s124*s23*z12*z23) + 
   (CF*(-CA + 2*CF)*s1234*s23*s34*z1*z2)/(4*s12*s123^2*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s23*s34*z1*z2)/(8*s12*s123*s14*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s12*s234*z12*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z1*z2)/
    (s123*s234*z12*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1*z2)/(s124*s234*z12*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z1*z2)/
    (s12*s123*s234*z12*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s34*z1*z2)/(s12*s124*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s23*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(8*s12*s23*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*s34*z1*z2)/(8*s12*s23*s234*z12*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z1*z2)/
    (s12*s123*s234*z12*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1*z2)/(s12*s123*s124*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(8*s12*s123*s14*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(8*s12*s124*s14*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(8*s12*s124*s23*z12*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1*z2)/
    (s123*s124*s23*z12*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*s34*z1*z2)/(s12*s123*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(8*s123*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(4*s124*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*s34*z1*z2)/(8*s12*s123*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*s34*z1*z2)/(8*s12*s124*s14*s23*z12*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1*z2)/
    (s12*s123*s234*z12*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1*z2)/(s12*s124*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(8*s12*s23*s234*z12*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1*z2)/
    (s123*s23*s234*z12*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1*z2)/(s124*s23*s234*z12*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*s34*z1*z2)/
    (s12*s123*s23*s234*z12*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*s34*z1*z2)/(s12*s124*s23*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*s34*z1*z2)/(8*s12*s124*s14*s23*z12*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*s34*z1*z2)/
    (s12*s124*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/
    (8*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/
    (8*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/
    (8*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/
    (8*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s34^2*z1*z2)/
    (8*s12*s123*s14*s23*z12*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34^2*z1*z2)/
    (s12*s123*s234*z12*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s34^2*z1*z2)/(s123*s23*s234*z12*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34^2*z1*z2)/
    (s124*s23*s234*z12*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34^2*z1*z2)/(s12*s123*s23*s234*z12*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s34^2*z1*z2)/
    (s12*s124*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*s34^2*z1*z2)/
    (8*s12*s124*s14*s23*z12*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34^2*z1*z2)/(s12*s124*s23*s234*z12*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s123*z12) - (CF*(-CA + 2*CF)*s12*s1234*z3)/
    (2*s124^2*z12) + (CF*(-CA + 2*CF)*D*s12*s1234*z3)/(8*s124^2*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s124*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     z3)/(2*s123*s124*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3)/(s123*s124*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z3)/
    (2*s123*s124*z12) + (CA*(CA - 2*CF)*s1234*z3)/(8*s134*z12) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s134*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     z3)/(2*s123*s134*z12) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*z3)/(2*s124*s134*z12) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s123*s134*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*
     z3)/(2*s123*s134*z12) + (CA*(CA - 2*CF)*s12*s1234*z3)/(8*s134*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(8*s134*s14*z12) - 
   (CF*(-CA + 2*CF)*s1234*s14*z3)/(4*s123^2*z12) - 
   (CF*(-CA + 2*CF)*s1234*s14*z3)/(2*s124^2*z12) + 
   (CF*(-CA + 2*CF)*D*s1234*s14*z3)/(8*s124^2*z12) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*
     z3)/(2*s124*s134*z12) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (16*s123*s23*z12) - (CA*(CA - 2*CF)*s12*s1234*z3)/(8*s124*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s123*s23*z12) - 
   (CF*(-CA + 2*CF)*s12*s1234*s14*z3)/(4*s123^2*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s123*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s123*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s124*s23*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z3)/
    (s123*s124*s23*z12) - (CF*(-CA + 2*CF)*s1234*s13*s14*z3)/
    (4*s123^2*s23*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14^2*z3)/(s123*s124*s23*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z3)/
    (s123*s124*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*
     z3)/(2*s123*s124*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z3)/(s123*s134*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z3)/
    (2*s123*s134*z12) + (CA*(CA - 2*CF)*s1234*s23*z3)/(8*s134*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s234*z12) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s234*z12) - (CA*(CA - 2*CF)*s12*s1234*z3)/(4*s23*s234*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s23*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(4*s23*s234*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s23*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(4*s23*s234*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s23*s234*z12) + 
   (CF*(-CA + 2*CF)*s1234*s24*z3)/(2*s123^2*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s24*z3)/(8*s123^2*z12) - 
   (CF*(-CA + 2*CF)*s1234*s24*z3)/(4*s124^2*z12) + 
   (CF*(-CA + 2*CF)*D*s1234*s24*z3)/(8*s124^2*z12) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*
     z3)/(2*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s123*s14*z12) + 
   (CF*(-CA + 2*CF)*s12*s1234*s24*z3)/(4*s124^2*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3)/
    (s123*s124*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z3)/(s123*s124*s14*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s134*s14*z12) + (CF*(-CA + 2*CF)*s12*s1234*s24*z3)/
    (2*s123^2*s23*z12) - (CF*(-CA + 2*CF)*D*s12*s1234*s24*z3)/
    (8*s123^2*s23*z12) - (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s123*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s123*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s124*s23*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3)/
    (s123*s124*s23*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24*z3)/(2*s123*s124*s23*z12) + (CF*(-CA + 2*CF)*s1234*s13*s24*z3)/
    (2*s123^2*s23*z12) - (CF*(-CA + 2*CF)*D*s1234*s13*s24*z3)/
    (8*s123^2*s23*z12) + (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (8*s123*s14*s23*z12) - (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (8*s124*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s123*s14*s23*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*s24*z3)/(s123*s124*s23*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z3)/
    (2*s123*s124*s23*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*s24*z3)/(s123*s124*s14*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*
     z3)/(2*s123*s234*z12) - (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s23*s234*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s23*s234*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3)/
    (s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24*z3)/(2*s123*s23*s234*z12) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3)/
    (s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24*z3)/(2*s124*s23*s234*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*z3)/(2*s123*s23*s234*z12) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z3)/
    (s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s24*z3)/(2*s124*s23*s234*z12) + (CF*(-CA + 2*CF)*s1234*s24^2*z3)/
    (4*s124^2*s14*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24^2*z3)/(s123*s124*s23*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z3)/
    (2*s123*s124*s23*z12) - (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (8*s124*s14*s23*z12) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24^2*z3)/(s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z3)/
    (2*s124*s23*s234*z12) + (CA*(CA - 2*CF)*s12*s1234*z3)/(4*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(4*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s124*s34*z12) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3)/(8*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s134*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(8*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(4*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s124*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(8*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s12*s1234*s14*z3)/(8*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z3)/(8*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14^2*z3)/(8*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z3)/(4*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z3)/(16*s124*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z3)/(8*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z3)/(16*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s124*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3)/(8*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3)/(4*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/(16*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(4*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(16*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3)/(8*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/(16*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z3)/(8*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z3)/(8*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/(16*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(16*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z3)/(8*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(8*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(4*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(16*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/(8*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(16*s23*s234*s34*z12) + 
   (CF*(-CA + 2*CF)*s1234*s34*z3)/(4*s123^2*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s34*z3)/(8*s123^2*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z3)/
    (s124*s134*z12) + (CA*(CA - 2*CF)*s1234*s34*z3)/(8*s123*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s34*z3)/
    (s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s34*z3)/(s124*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z3)/
    (s123*s134*s14*z12) + (CF*(-CA + 2*CF)*s12*s1234*s34*z3)/
    (4*s123^2*s23*z12) - (CF*(-CA + 2*CF)*D*s12*s1234*s34*z3)/
    (8*s123^2*s23*z12) - (CA*(CA - 2*CF)*s1234*s34*z3)/(8*s124*s23*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s34*z3)/
    (s123*s124*s23*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s34*z3)/(2*s123*s124*s23*z12) + (CF*(-CA + 2*CF)*s1234*s13*s34*z3)/
    (4*s123^2*s23*z12) - (CF*(-CA + 2*CF)*D*s1234*s13*s34*z3)/
    (8*s123^2*s23*z12) + (CA*(CA - 2*CF)*s12*s1234*s34*z3)/
    (8*s123*s14*s23*z12) - (CA*(CA - 2*CF)*s12*s1234*s34*z3)/
    (8*s124*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*s34*z3)/
    (8*s123*s14*s23*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*s34*z3)/(s123*s124*s23*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s34*z3)/
    (2*s123*s124*s23*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*s34*z3)/(s123*s134*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z3)/
    (s123*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*
     z3)/(2*s123*s234*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s34*z3)/(s123*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s34*z3)/
    (2*s123*s23*s234*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s34*z3)/(s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s34*z3)/
    (2*s124*s23*s234*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z3)/(s123*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z3)/
    (2*s123*s23*s234*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s34*z3)/(s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s34*z3)/
    (2*s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*s34*z3)/(s124*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z3)/
    (s123*s124*s23*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*s34*z3)/(2*s123*s124*s23*z12) - (CA*(CA - 2*CF)*s1234*s24*s34*z3)/
    (8*s124*s14*s23*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*s34*z3)/(s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z3)/
    (2*s124*s23*s234*z12) + (CA*(CA - 2*CF)*s1234*z3)/(8*s123*z14) - 
   (CF*(-CA + 2*CF)*s12*s1234*z3)/(2*s124^2*z14) + 
   (CF*(-CA + 2*CF)*D*s12*s1234*z3)/(8*s124^2*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     z3)/(2*s123*s124*z14) + (CA*(CA - 2*CF)*s1234*s13*z3)/(8*s12*s123*z14) - 
   (CF*(-CA + 2*CF)*s12*s1234*z3)/(4*s134^2*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s134*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*
     z3)/(2*s123*s134*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3)/(s124*s134*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z3)/
    (2*s124*s134*z14) + (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s12*s123*z14) - 
   (CF*(-CA + 2*CF)*s1234*s14*z3)/(2*s124^2*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s14*z3)/(8*s124^2*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*
     z3)/(2*s123*s124*z14) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s123*s134*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (2*s123*s134*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z3)/(s124*s134*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*z3)/(2*s124*s134*z14) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (8*s123*s23*z14) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s123*s23*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(4*s124*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s124*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(8*s123*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s123*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(4*s124*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s124*s23*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(8*s134*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(8*s123*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s123*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(4*s124*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s124*s23*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*z3)/
    (s123*s124*z14) + (CF*(-CA + 2*CF)*s1234*s23*z3)/(4*s134^2*z14) - 
   (CF*(-CA + 2*CF)*D*s1234*s23*z3)/(8*s134^2*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z3)/(8*s12*s134*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z3)/
    (s12*s123*s134*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*s23*z3)/(s12*s123*s124*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s23*z3)/
    (s12*s123*s134*z14) - (CA*(CA - 2*CF)*s1234*z3)/(4*s234*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s234*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z3)/
    (s134*s234*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*
     z3)/(2*s134*s234*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s12*s123*z14) - 
   (CF*(-CA + 2*CF)*s1234*s24*z3)/(4*s124^2*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s24*z3)/(8*s124^2*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*
     z3)/(2*s123*s124*z14) + (CF*(-CA + 2*CF)*s1234*s24*z3)/(2*s134^2*z14) - 
   (CF*(-CA + 2*CF)*D*s1234*s24*z3)/(8*s134^2*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s12*s134*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s12*s124*s134*z14) + (CF*(-CA + 2*CF)*s1234*s14*s24*z3)/
    (4*s12*s124^2*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*s24*z3)/(s12*s124*s134*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s123*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s124*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s124*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s134*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s134*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3)/(8*s12*s124*s23*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z3)/
    (s12*s123*s124*z14) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s134*s234*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24*z3)/(2*s134*s234*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s23*s234*z14) + 
   (CF*(-CA + 2*CF)*s1234*s24^2*z3)/(4*s12*s124^2*z14) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(8*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(8*s124*s34*z14) - 
   (CF*(-CA + 2*CF)*s12*s1234*s13*z3)/(4*s134^2*s34*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(8*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s134*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12^2*s1234*z3)/
    (s124*s134*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s134*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s124*s34*z14) - 
   (CF*(-CA + 2*CF)*s12*s1234*s14*z3)/(4*s134^2*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s134*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z3)/
    (s124*s134*s34*z14) + (CA*(CA - 2*CF)*s12^2*s1234*z3)/
    (8*s134*s23*s34*z14) + (CA*(CA - 2*CF)*s12*s1234*s13*z3)/
    (8*s134*s23*s34*z14) + (CA*(CA - 2*CF)*s12*s1234*s14*z3)/
    (8*s134*s23*s34*z14) - (CA*(CA - 2*CF)*s1234*s23*z3)/(8*s124*s34*z14) + 
   (CF*(-CA + 2*CF)*s1234*s13*s23*z3)/(4*s134^2*s34*z14) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*s23*z3)/(8*s134^2*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z3)/
    (s124*s134*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s23*z3)/(2*s124*s134*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s23*z3)/
    (8*s12*s134*s34*z14) - (CA*(CA - 2*CF)*s1234*s14*s23*z3)/
    (8*s12*s124*s34*z14) + (CF*(-CA + 2*CF)*s1234*s14*s23*z3)/
    (4*s134^2*s34*z14) - (CF*(-CA + 2*CF)*D*s1234*s14*s23*z3)/
    (8*s134^2*s34*z14) + (CA*(CA - 2*CF)*s1234*s14*s23*z3)/
    (8*s12*s134*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*s23*z3)/(s124*s134*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s23*z3)/
    (2*s124*s134*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*z3)/(4*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(4*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(4*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z3)/
    (s124*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s23*z3)/(2*s124*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z3)/
    (s134*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s23*z3)/(2*s134*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s23*z3)/
    (s124*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s23*z3)/(2*s124*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s23*z3)/
    (s134*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s23*z3)/(2*s134*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (4*s124*s34*z14) + (CF*(-CA + 2*CF)*s1234*s13*s24*z3)/
    (2*s134^2*s34*z14) - (CF*(-CA + 2*CF)*D*s1234*s13*s24*z3)/
    (8*s134^2*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s134*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3)/
    (s124*s134*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24*z3)/(2*s124*s134*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s134*s34*z14) - (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (8*s12*s124*s34*z14) + (CF*(-CA + 2*CF)*s1234*s14*s24*z3)/
    (2*s134^2*s34*z14) - (CF*(-CA + 2*CF)*D*s1234*s14*s24*z3)/
    (8*s134^2*s34*z14) + (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (8*s12*s134*s34*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*s24*z3)/(s124*s134*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z3)/
    (2*s124*s134*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (8*s134*s23*s34*z14) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/
    (16*s134*s23*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s134*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s134*s23*s34*z14) - (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (4*s134*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/
    (16*s134*s23*s34*z14) - (CA*(CA - 2*CF)*s1234*s23*s24*z3)/
    (8*s12*s124*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*s24*z3)/(s124*s134*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z3)/
    (2*s124*s134*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s234*s34*z14) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3)/
    (s124*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24*z3)/(2*s124*s234*s34*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s134*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*z3)/(2*s134*s234*s34*z14) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z3)/
    (s124*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s24*z3)/(2*s124*s234*s34*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z3)/
    (s134*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s24*z3)/(2*s134*s234*s34*z14) - (3*CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (8*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/
    (16*s23*s234*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s23*s234*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (8*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/
    (16*s23*s234*s34*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z3)/(s124*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z3)/
    (2*s124*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (8*s12*s124*s34*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24^2*z3)/(s124*s134*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z3)/
    (2*s124*s134*s34*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (4*s134*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (16*s134*s23*s34*z14) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z3)/(s124*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z3)/
    (2*s124*s234*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (8*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (16*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s34*z3)/(8*s12*s123*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z3)/
    (s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*
     z3)/(2*s123*s134*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z3)/(s124*s134*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z3)/
    (2*s124*s134*z14) + (3*CA*(CA - 2*CF)*s1234*s34*z3)/(8*s123*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z3)/(16*s123*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z3)/(4*s124*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z3)/(16*s124*s23*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z3)/
    (s12*s123*s134*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*s34*z3)/(s12*s124*s134*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z3)/
    (8*s12*s124*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s123*z12*z14) - (CF*(-CA + 2*CF)*s1234*s24*z1*z3)/
    (2*s124^2*z12*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*
     z1*z3)/(s123*s124*z12*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1*z3)/(s12*s123*s124*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s134*z12*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s24*z1*z3)/
    (s123*s134*z12*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1*z3)/(s124*s134*z12*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1*z3)/
    (s12*s123*s134*z12*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1*z3)/(s12*s124*s134*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s123*s14*z12*z14) - 
   (CF*(-CA + 2*CF)*s12*s1234*s24*z1*z3)/(4*s124^2*s14*z12*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z1*z3)/
    (s123*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s123*s14*z12*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1*z3)/(s123*s124*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s134*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s12*s134*s14*z12*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1*z3)/
    (s123*s134*s14*z12*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1*z3)/(s124*s134*s14*z12*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13^2*s24*z1*z3)/
    (s12*s123*s134*s14*z12*z14) - (CF*(-CA + 2*CF)*s1234*s14*s24*z1*z3)/
    (4*s12*s124^2*z12*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*s24*z1*z3)/(s12*s124*s134*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s123*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s124*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s12*s123*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s12*s124*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/(8*s123*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/(8*s124*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(4*s123*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s124*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13^2*s24*z1*z3)/(8*s12*s123*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/(8*s12*s124*s23*z12*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1*z3)/
    (s12*s123*s124*z12*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z1*z3)/(s12*s123*s134*z12*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1*z3)/
    (s123*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/
    (8*s12*s134*s14*z12*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*s24*z1*z3)/(s12*s123*s134*s14*z12*z14) - 
   (CF*(-CA + 2*CF)*s1234*s24^2*z1*z3)/(2*s12*s124^2*z12*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z1*z3)/
    (s12*s124*s134*z12*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s123*s14*z12*z14) - (CF*(-CA + 2*CF)*s1234*s24^2*z1*z3)/
    (2*s124^2*s14*z12*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24^2*z1*z3)/(s123*s124*s14*z12*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24^2*z1*z3)/
    (s12*s123*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s134*s14*z12*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24^2*z1*z3)/(s12*s124*s134*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(4*s12*s124*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(8*s123*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(4*s124*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24^2*z1*z3)/(8*s12*s123*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24^2*z1*z3)/(8*s12*s124*s14*s23*z12*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24^2*z1*z3)/
    (s12*s123*s124*s14*z12*z14) - (CF*(-CA + 2*CF)*s1234*s24^3*z1*z3)/
    (4*s12*s124^2*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^3*z1*z3)/
    (8*s12*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (4*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/
    (8*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13^2*s24*z1*z3)/
    (8*s12*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/
    (8*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/
    (8*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/
    (8*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/
    (8*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/
    (8*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s23*s24*z1*z3)/
    (8*s12*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (4*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (4*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s24^2*z1*z3)/
    (8*s12*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24^2*z1*z3)/
    (8*s12*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*s24^2*z1*z3)/
    (8*s12*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^3*z1*z3)/
    (8*s12*s124*s14*s34*z12*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1*z3)/(s12*s124*s134*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/(8*s12*s123*s14*z12*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1*z3)/
    (s123*s134*s14*z12*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1*z3)/(s124*s134*s14*z12*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*s34*z1*z3)/
    (s12*s123*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/
    (8*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/
    (8*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/
    (8*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*s34*z1*z3)/
    (8*s12*s123*s14*s23*z12*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s23*s24*s34*z1*z3)/
    (s12*s123*s134*s14*z12*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*s34*z1*z3)/(s12*s124*s134*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s24^2*s34*z1*z3)/(8*s12*s124*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s123*z23) + (CA*(CA - 2*CF)*s1234*z3)/
    (4*s124*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/(16*s124*z23) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s134*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     z3)/(2*s123*s134*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (8*s134*s14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s134*s14*z23) - 
   (CF*(-CA + 2*CF)*s1234*s14*z3)/(4*s123^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s14*z3)/(8*s123^2*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s124*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*
     z3)/(2*s123*s124*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (16*s123*s23*z23) + (CA*(CA - 2*CF)*s12*s1234*z3)/(4*s124*s23*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s124*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s123*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(4*s124*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s124*s23*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(8*s134*s23*z23) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12^2*s1234*z3)/
    (s123*s134*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12^2*
     s1234*z3)/(2*s123*s134*s23*z23) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z3)/
    (s123*s134*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13*z3)/(2*s123*s134*s23*z23) - (3*CA*(CA - 2*CF)*s12^2*s1234*z3)/
    (8*s134*s14*s23*z23) + (CA*(CA - 2*CF)*D*s12^2*s1234*z3)/
    (16*s134*s14*s23*z23) - (3*CA*(CA - 2*CF)*s12*s1234*s13*z3)/
    (8*s134*s14*s23*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/
    (16*s134*s14*s23*z23) - (CF*(-CA + 2*CF)*s12*s1234*s14*z3)/
    (4*s123^2*s23*z23) + (CF*(-CA + 2*CF)*D*s12*s1234*s14*z3)/
    (8*s123^2*s23*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s14*z3)/(s123*s124*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s14*z3)/
    (2*s123*s124*s23*z23) - (CF*(-CA + 2*CF)*s1234*s13*s14*z3)/
    (4*s123^2*s23*z23) + (CF*(-CA + 2*CF)*D*s1234*s13*s14*z3)/
    (8*s123^2*s23*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*z3)/(s123*s124*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z3)/
    (2*s123*s124*s23*z23) + (CF*(-CA + 2*CF)*s12*s1234*z3)/(2*s234^2*z23) - 
   (CF*(-CA + 2*CF)*D*s12*s1234*z3)/(8*s234^2*z23) + 
   (CA*(CA - 2*CF)*s1234*z3)/(8*s234*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     z3)/(2*s123*s234*z23) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s134*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D*s12*s1234*z3)/(2*s134*s234*z23) - (CA*(CA - 2*CF)*s12*s1234*z3)/
    (4*s14*s234*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s14*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/(s123*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (2*s123*s234*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z3)/(s124*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*z3)/(2*s124*s234*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12^2*s1234*z3)/
    (s123*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12^2*
     s1234*z3)/(2*s123*s23*s234*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z3)/
    (s123*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13*z3)/(2*s123*s23*s234*z23) - (CA*(CA - 2*CF)*s12^2*s1234*z3)/
    (4*s14*s23*s234*z23) + (CA*(CA - 2*CF)*D*s12^2*s1234*z3)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z3)/
    (4*s14*s23*s234*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/
    (16*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z3)/
    (s134*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s12*s124*z23) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24*z3)/(4*s12*s123^2*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s12*s123*s14*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z3)/
    (s12*s123*s124*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s123*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s123*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s124*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s124*s23*z23) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24*z3)/(4*s123^2*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s12*s124*s23*z23) - 
   (CF*(-CA + 2*CF)*s1234*s13^2*s24*z3)/(4*s12*s123^2*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s134*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s134*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*s24*z3)/(8*s12*s123*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z3)/(8*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/(16*s134*s14*s23*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s134*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(16*s134*s14*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z3)/
    (s123*s124*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*s24*z3)/(s12*s123*s124*s23*z23) + 
   (CF*(-CA + 2*CF)*s12*s1234*s24*z3)/(2*s23*s234^2*z23) - 
   (CF*(-CA + 2*CF)*D*s12*s1234*s24*z3)/(8*s23*s234^2*z23) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24*z3)/(2*s23*s234^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*s24*z3)/(8*s23*s234^2*z23) - 
   (CF*(-CA + 2*CF)*s1234*s14*s24*z3)/(4*s23*s234^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s14*s24*z3)/(8*s23*s234^2*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s12*s123*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*s24*z3)/(s12*s124*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (4*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s12*s23*s234*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3)/
    (s134*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24*z3)/(2*s134*s23*s234*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s134*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*z3)/(2*s134*s23*s234*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (4*s14*s23*s234*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/
    (16*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (8*s12*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*s24*z3)/(s123*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z3)/
    (2*s123*s23*s234*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z3)/(s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z3)/
    (2*s124*s23*s234*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z3)/(s134*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z3)/
    (2*s134*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (8*s12*s124*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*s24^2*z3)/
    (8*s12*s123*s14*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24^2*z3)/(s12*s123*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s14*s24^2*z3)/
    (s12*s124*s23*s234*z23) - (CA*(CA - 2*CF)*s12*s1234*z3)/
    (8*s134*s34*z23) - (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s123*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z3)/
    (s123*s134*s34*z23) - (CA*(CA - 2*CF)*s12^2*s1234*z3)/
    (8*s134*s23*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z3)/
    (8*s134*s23*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*s14*z3)/
    (8*s123*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s14*z3)/
    (8*s123*s23*s34*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12^2*
     s1234*s14*z3)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*s14*z3)/
    (s123*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s14*z3)/
    (8*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*
     s14*z3)/(s134*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s123*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s134*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s134*s34*z23) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s123*s134*s34*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*z3)/(2*s123*s134*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (8*s12*s123*s34*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*s24*z3)/(s123*s134*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z3)/
    (2*s123*s134*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s123*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13^2*s24*z3)/
    (8*s12*s123*s23*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (8*s134*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/
    (16*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s134*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s134*s23*s34*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*s24*z3)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*s24*z3)/
    (2*s123*s134*s23*s34*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*s24*z3)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*s24*z3)/
    (2*s123*s134*s23*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s13*s24*z3)/
    (8*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*s24*z3)/
    (16*s134*s14*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13^2*s24*z3)/
    (8*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*s24*z3)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (8*s123*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s14*s24*z3)/
    (8*s12*s123*s23*s34*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s14*s24*z3)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s14*s24*z3)/
    (2*s123*s134*s23*s34*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*s24*z3)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*s24*z3)/
    (2*s123*s134*s23*s34*z23) - (CF*(-CA + 2*CF)*s1234*s13*s24*z3)/
    (2*s234^2*s34*z23) + (CF*(-CA + 2*CF)*D*s1234*s13*s24*z3)/
    (8*s234^2*s34*z23) - (CF*(-CA + 2*CF)*s1234*s14*s24*z3)/
    (4*s234^2*s34*z23) + (CF*(-CA + 2*CF)*D*s1234*s14*s24*z3)/
    (8*s234^2*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s12*s234*s34*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s123*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*z3)/(2*s123*s234*s34*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s134*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*z3)/(2*s134*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (8*s12*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*s24*z3)/(s123*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z3)/
    (2*s123*s234*s34*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z3)/(s134*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z3)/
    (2*s134*s234*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (8*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/
    (16*s23*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s23*s234*s34*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*s24*z3)/(s123*s23*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*s24*z3)/
    (2*s123*s23*s234*s34*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*s24*z3)/(s123*s23*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*s24*z3)/
    (2*s123*s23*s234*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*s24*z3)/
    (4*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*s24*z3)/
    (16*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s13^2*s24*z3)/
    (4*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*s24*z3)/
    (16*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (8*s23*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s14*s24*z3)/(s123*s23*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s14*s24*z3)/
    (2*s123*s23*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*s24*z3)/(s123*s23*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*s24*z3)/
    (2*s123*s23*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s14*s24*z3)/(s134*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(4*s134*s23*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(16*s134*s23*s34*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24^2*z3)/(8*s134*s14*s23*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24^2*z3)/(16*s134*s14*s23*s34*z23) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24^2*z3)/(2*s23*s234^2*s34*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*s24^2*z3)/(8*s23*s234^2*s34*z23) - 
   (CF*(-CA + 2*CF)*s1234*s14*s24^2*z3)/(4*s23*s234^2*s34*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s14*s24^2*z3)/(8*s23*s234^2*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(8*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(16*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24^2*z3)/(8*s12*s23*s234*s34*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24^2*z3)/
    (s134*s23*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24^2*z3)/(2*s134*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24^2*z3)/(4*s14*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24^2*z3)/(16*s14*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*s24^2*z3)/(8*s12*s23*s234*s34*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24^2*z3)/
    (s134*s23*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s24^2*z3)/(2*s134*s23*s234*s34*z23) + 
   (CF*(-CA + 2*CF)*s1234*s34*z3)/(4*s123^2*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z3)/(8*s123*s14*z23) + 
   (CF*(-CA + 2*CF)*s12*s1234*s34*z3)/(4*s123^2*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3)/(8*s123*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z3)/(16*s123*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3)/(4*s124*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z3)/(16*s124*s23*z23) + 
   (CF*(-CA + 2*CF)*s1234*s13*s34*z3)/(4*s123^2*s23*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s34*z3)/(8*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z3)/(8*s123*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s34*z3)/(8*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s34*z3)/(16*s134*s14*s23*z23) + 
   (CF*(-CA + 2*CF)*s12*s1234*s34*z3)/(2*s23*s234^2*z23) - 
   (CF*(-CA + 2*CF)*D*s12*s1234*s34*z3)/(8*s23*s234^2*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z3)/
    (s123*s234*z23) + (CA*(CA - 2*CF)*s1234*s34*z3)/(8*s23*s234*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s34*z3)/
    (s134*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s34*z3)/(2*s134*s23*s234*z23) - (CA*(CA - 2*CF)*s12*s1234*s34*z3)/
    (4*s14*s23*s234*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s34*z3)/
    (16*s14*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*s34*z3)/(s123*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s34*z3)/
    (2*s123*s23*s234*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s34*z3)/(s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s34*z3)/
    (2*s124*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z3)/
    (8*s12*s124*s23*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z3)/
    (8*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*s34*z3)/
    (8*s12*s123*s14*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z3)/(s123*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*s34*z3)/
    (s12*s123*s23*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*s34*z3)/(s12*s124*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s34^2*z3)/(8*s123*s14*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34^2*z3)/
    (s123*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s123*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s124*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(4*s12*s123*z12*z23) + 
   (CF*(-CA + 2*CF)*s1234*s14*z2*z3)/(2*s123^2*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s12*s124*z12*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z2*z3)/
    (s123*s124*z12*z23) + (CF*(-CA + 2*CF)*s1234*s13*s14*z2*z3)/
    (2*s12*s123^2*z12*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s14^2*z2*z3)/(s12*s123*s124*z12*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(8*s123*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(8*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(4*s123*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(8*s12*s123*s23*z12*z23) + 
   (CF*(-CA + 2*CF)*s12*s1234*s14*z2*z3)/(4*s123^2*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s124*s23*z12*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z2*z3)/
    (s123*s124*s23*z12*z23) + (CF*(-CA + 2*CF)*s1234*s13*s14*z2*z3)/
    (2*s123^2*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (8*s12*s124*s23*z12*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2*z3)/(s123*s124*s23*z12*z23) + 
   (CF*(-CA + 2*CF)*s1234*s13^2*s14*z2*z3)/(4*s12*s123^2*s23*z12*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14^2*z2*z3)/
    (s123*s124*s23*z12*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14^2*z2*z3)/(s12*s123*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3)/(8*s12*s123*z12*z23) + 
   (CF*(-CA + 2*CF)*s1234*s14*s23*z2*z3)/(4*s12*s123^2*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s12*s234*z12*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z2*z3)/
    (s123*s234*z12*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2*z3)/(s124*s234*z12*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2*z3)/
    (s12*s123*s234*z12*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14^2*z2*z3)/(s12*s124*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s23*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/(8*s12*s23*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/(8*s12*s23*s234*z12*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*s23*z2*z3)/
    (s12*s123*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s123*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s124*z12*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*s24*z2*z3)/(s12*s123*s124*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s123*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(4*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(8*s12*s123*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(8*s12*s124*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/(8*s12*s124*s23*z12*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z2*z3)/
    (s123*s124*s23*z12*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*s24*z2*z3)/(s12*s123*s124*s23*z12*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z2*z3)/
    (s12*s123*s234*z12*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z2*z3)/(s12*s124*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/(8*s12*s23*s234*z12*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z2*z3)/
    (s123*s23*s234*z12*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z2*z3)/(s124*s23*s234*z12*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s14*s24*z2*z3)/
    (s12*s123*s23*s234*z12*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14^2*s24*z2*z3)/(s12*s124*s23*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/(8*s12*s124*s23*z12*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24^2*z2*z3)/
    (s12*s124*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (4*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/
    (8*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s12*s1234*s14*z2*z3)/
    (8*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (4*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13^2*s14*z2*z3)/
    (8*s12*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/
    (8*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s14^2*z2*z3)/
    (8*s12*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*s23*z2*z3)/
    (8*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (8*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/
    (8*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*s23*z2*z3)/
    (8*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (8*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (8*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s14*s24*z2*z3)/
    (8*s12*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (4*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (8*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s14*s24*z2*z3)/
    (8*s12*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14^2*s24*z2*z3)/
    (8*s12*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*s24^2*z2*z3)/
    (8*s12*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s12*s123*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s123*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2*z3)/
    (8*s12*s123*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*s34*z2*z3)/
    (8*s12*s124*s23*z12*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s14*s34*z2*z3)/(s12*s123*s234*z12*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z2*z3)/
    (s123*s23*s234*z12*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s34*z2*z3)/(s124*s23*s234*z12*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s14*s34*z2*z3)/
    (s12*s123*s23*s234*z12*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14^2*s34*z2*z3)/(s12*s124*s23*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z2*z3)/(8*s12*s124*s23*z12*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*s34*z2*z3)/
    (s12*s124*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*z1)/(8*s123*z34) - 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s124*z34) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s124*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s123*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s123*z34) + 
   (CF*(-CA + 2*CF)*s12*s1234*z1)/(4*s134^2*z34) - 
   (CF*(-CA + 2*CF)*D*s12*s1234*z1)/(8*s134^2*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s134*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z1)/
    (s124*s134*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     z1)/(2*s124*s134*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z1)/(s123*s134*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z1)/
    (2*s123*s134*z34) - (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s124*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s124*s14*z34) + 
   (CF*(-CA + 2*CF)*s12*s1234*s13*z1)/(4*s134^2*s14*z34) - 
   (CF*(-CA + 2*CF)*D*s12*s1234*s13*z1)/(8*s134^2*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s134*s14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z1)/
    (s124*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13*z1)/(2*s124*s134*s14*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z1)/
    (8*s12*s123*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1)/(16*s12*s123*z34) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z1)/
    (s123*s134*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*
     z1)/(2*s123*s134*z34) + (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s123*s23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(8*s134*s23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z1)/
    (s123*s134*s23*z34) + (CA*(CA - 2*CF)*s12*s1234*s13*z1)/
    (8*s134*s14*s23*z34) + (CA*(CA - 2*CF)*s1234*s14*z1)/(8*s123*s23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z1)/
    (s123*s134*s23*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/(8*s12*s123*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s12*s123*z34) - 
   (CF*(-CA + 2*CF)*s1234*s23*z1)/(4*s134^2*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(8*s12*s134*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(4*s124*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s124*s14*z34) - 
   (CF*(-CA + 2*CF)*s1234*s13*s23*z1)/(4*s134^2*s14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(8*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s134*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1)/(8*s12*s134*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z1)/(8*s12*s134*s14*z34) - 
   (CF*(-CA + 2*CF)*s1234*s23*z1)/(2*s234^2*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*s23*z1)/(8*s234^2*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z1)/
    (s123*s234*z34) + (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s12*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s234*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s134*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*
     z1)/(2*s134*s234*z34) - (CA*(CA - 2*CF)*s12*s1234*z1)/(8*s14*s234*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(4*s12*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z1)/(16*s12*s234*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z1)/
    (s134*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*
     z1)/(2*s134*s234*z34) + (CA*(CA - 2*CF)*s1234*s23*z1)/(4*s12*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s12*s234*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s123*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*
     z1)/(2*s123*s234*z34) - (CA*(CA - 2*CF)*s1234*s23*z1)/(8*s14*s234*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z1)/
    (s124*s14*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s23*z1)/(2*s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z1)/
    (s134*s14*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s23*z1)/(2*s134*s14*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23^2*z1)/
    (s134*s14*s234*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s123*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s123*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s124*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s124*z34) + 
   (CF*(-CA + 2*CF)*s1234*s24*z1)/(2*s134^2*z34) - 
   (CF*(-CA + 2*CF)*D*s1234*s24*z1)/(8*s134^2*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s12*s134*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s134*z34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s124*s134*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*
     z1)/(2*s124*s134*z34) - (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s124*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s124*s14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s124*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s124*s14*z34) + 
   (CF*(-CA + 2*CF)*s1234*s13*s24*z1)/(2*s134^2*s14*z34) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*s24*z1)/(8*s134^2*s14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s134*s14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(4*s12*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s134*s14*z34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s124*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*z1)/(2*s124*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s123*s23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s134*s23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s134*s14*s23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z1)/(8*s12*s124*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(16*s12*s124*s14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1)/(8*s12*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(16*s12*s134*s14*z34) - 
   (CF*(-CA + 2*CF)*s1234*s24*z1)/(4*s234^2*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*s24*z1)/(8*s234^2*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s234*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s123*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*
     z1)/(2*s123*s234*z34) - (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s14*s234*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z1)/
    (s124*s14*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24*z1)/(2*s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z1)/
    (s134*s14*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24*z1)/(2*s134*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z1)/
    (s123*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s12*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z1)/(s134*s23*s234*z34) - (CA*(CA - 2*CF)*s12*s1234*s24*z1)/
    (8*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z1)/
    (8*s12*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*s24*z1)/(s134*s23*s234*z34) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1)/
    (s124*s14*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*s24*z1)/(2*s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1)/
    (s134*s14*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*s24*z1)/(2*s134*s14*s234*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s12*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (16*s12*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (4*s12*s134*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (16*s12*s134*s14*z34) + (CF*(-CA + 2*CF)*s1234*s24^2*z1)/
    (4*s23*s234^2*z34) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24^2*z1)/(s124*s14*s234*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z1)/
    (2*s124*s14*s234*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s134*s14*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z1)/
    (2*s134*s14*s234*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s12*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s14*s23*s234*z34) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/(8*s12*s123*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(16*s12*s123*z34) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s123*s134*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*
     z1)/(2*s123*s134*z34) - (CA*(CA - 2*CF)*s1234*s34*z1)/(4*s124*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(16*s124*s14*z34) + 
   (CF*(-CA + 2*CF)*s12*s1234*s34*z1)/(4*s134^2*s14*z34) - 
   (CF*(-CA + 2*CF)*D*s12*s1234*s34*z1)/(8*s134^2*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(16*s134*s14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s34*z1)/
    (s124*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s34*z1)/(2*s124*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s123*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*
     s34*z1)/(s123*s134*s23*z34) + (CA*(CA - 2*CF)*s12*s1234*s34*z1)/
    (8*s134*s14*s23*z34) - (CF*(-CA + 2*CF)*s1234*s23*s34*z1)/
    (4*s134^2*s14*z34) + (CA*(CA - 2*CF)*s1234*s23*s34*z1)/
    (8*s12*s134*s14*z34) - (CF*(-CA + 2*CF)*s1234*s34*z1)/(2*s234^2*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*s34*z1)/(8*s234^2*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(4*s12*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(16*s12*s234*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s123*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*
     z1)/(2*s123*s234*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s134*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s134*s234*z34) - (CA*(CA - 2*CF)*s1234*s34*z1)/(8*s14*s234*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s34*z1)/
    (s124*s14*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s34*z1)/(2*s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s34*z1)/
    (s134*s14*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s34*z1)/(2*s134*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s34*z1)/
    (s123*s23*s234*z34) - (CA*(CA - 2*CF)*s12*s1234*s34*z1)/
    (8*s14*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*s34*z1)/(s134*s14*s234*z34) - (3*CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (8*s12*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (16*s12*s124*s14*z34) + (CF*(-CA + 2*CF)*s1234*s24*s34*z1)/
    (2*s134^2*s14*z34) - (CF*(-CA + 2*CF)*D*s1234*s24*s34*z1)/
    (8*s134^2*s14*z34) - (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (4*s12*s134*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (16*s12*s134*s14*z34) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1)/(s124*s134*s14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (2*s124*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (8*s134*s14*s23*z34) + (CF*(-CA + 2*CF)*s1234*s24*s34*z1)/
    (4*s23*s234^2*z34) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*s34*z1)/(s124*s14*s234*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (2*s124*s14*s234*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1)/(s134*s14*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (2*s134*s14*s234*z34) - (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (8*s12*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*s34*z1)/(s134*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (8*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*z2)/(4*s123*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s123*z34) + (CA*(CA - 2*CF)*s1234*z2)/
    (8*s124*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s123*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s123*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s124*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s124*z34) - 
   (CF*(-CA + 2*CF)*s1234*s13*z2)/(4*s134^2*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*z2)/(8*s134^2*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z2)/
    (s124*s134*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s134*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s134*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s124*s134*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*
     z2)/(2*s124*s134*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s124*s14*z34) + 
   (CF*(-CA + 2*CF)*s1234*s13^2*z2)/(4*s134^2*s14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z2)/
    (s124*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (8*s12*s134*s14*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s124*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s124*z34) - 
   (CF*(-CA + 2*CF)*s1234*s14*z2)/(2*s134^2*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*s14*z2)/(8*s134^2*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(4*s12*s134*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s134*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s124*s134*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*
     z2)/(2*s124*s134*z34) - (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s123*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s123*s23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/(8*s12*s123*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(16*s12*s123*s23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2)/(8*s134*s23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s134*s23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z2)/
    (s123*s134*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13*z2)/(2*s123*s134*s23*z34) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z2)/
    (s123*s134*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13^2*z2)/(2*s123*s134*s23*z34) - (CA*(CA - 2*CF)*s12*s1234*s13*z2)/
    (8*s134*s14*s23*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (8*s134*s14*s23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2)/(4*s123*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s123*s23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z2)/(8*s12*s123*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/(16*s12*s123*s23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(8*s134*s23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z2)/
    (s123*s134*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s14*z2)/(2*s123*s134*s23*z34) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2)/
    (s123*s134*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s14*z2)/(2*s123*s134*s23*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z2)/
    (8*s12*s124*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z2)/(16*s12*s124*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(4*s12*s134*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z2)/(16*s12*s134*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(8*s124*s14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2)/(8*s12*s134*s14*z34) + 
   (CF*(-CA + 2*CF)*s12*s1234*z2)/(4*s234^2*z34) - 
   (CF*(-CA + 2*CF)*D*s12*s1234*z2)/(8*s234^2*z34) + 
   (CF*(-CA + 2*CF)*s1234*s13*z2)/(2*s234^2*z34) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z2)/(8*s234^2*z34) - 
   (CF*(-CA + 2*CF)*s1234*s14*z2)/(4*s234^2*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s234*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z2)/
    (s123*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     z2)/(2*s123*s234*z34) - (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s234*z34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*
     z2)/(2*s123*s234*z34) + (CA*(CA - 2*CF)*s12*s1234*z2)/(8*s14*s234*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s14*s234*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s234*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s23*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s23*s234*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(4*s12*s23*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(16*s12*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z2)/
    (s134*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13*z2)/(2*s134*s23*s234*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z2)/
    (s134*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13^2*z2)/(2*s134*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (8*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s23*s234*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2)/(8*s12*s23*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/(16*s12*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z2)/
    (s134*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s14*z2)/(2*s134*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2)/
    (s134*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s14*z2)/(2*s134*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s14^2*z2)/
    (8*s12*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14^2*z2)/(s134*s23*s234*z34) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z2)/
    (s124*s234*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*
     z2)/(2*s124*s234*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z2)/(s134*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z2)/
    (2*s134*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*
     s23*z2)/(s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z2)/
    (s134*s14*s234*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z2)/(8*s12*s124*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s124*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(4*s12*s134*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s134*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(8*s124*s14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s12*s134*s14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(4*s123*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s123*s23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s12*s123*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s12*s123*s23*z34) + 
   (CF*(-CA + 2*CF)*s12*s1234*s24*z2)/(4*s23*s234^2*z34) - 
   (CF*(-CA + 2*CF)*D*s12*s1234*s24*z2)/(8*s23*s234^2*z34) + 
   (CF*(-CA + 2*CF)*s1234*s13*s24*z2)/(2*s23*s234^2*z34) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*s24*z2)/(8*s23*s234^2*z34) - 
   (CF*(-CA + 2*CF)*s1234*s14*s24*z2)/(4*s23*s234^2*z34) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2)/
    (s124*s234*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*
     z2)/(2*s124*s234*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s134*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z2)/
    (2*s134*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*
     s24*z2)/(s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2)/
    (s134*s14*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s23*s234*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z2)/
    (s123*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24*z2)/(2*s123*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (4*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s23*s234*z34) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s123*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (2*s123*s23*s234*z34) + (CA*(CA - 2*CF)*s12*s1234*s24*z2)/
    (8*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z2)/
    (8*s12*s23*s234*z34) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/(8*s12*s124*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(16*s12*s124*z34) - 
   (CF*(-CA + 2*CF)*s1234*s34*z2)/(2*s134^2*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*s34*z2)/(8*s134^2*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(4*s12*s134*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(16*s12*s134*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s124*s134*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*
     z2)/(2*s124*s134*z34) + (CA*(CA - 2*CF)*s1234*s34*z2)/(8*s124*s14*z34) + 
   (CF*(-CA + 2*CF)*s1234*s13*s34*z2)/(4*s134^2*s14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s34*z2)/
    (s124*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (8*s12*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*s34*z2)/(4*s123*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(16*s123*s23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z2)/(8*s12*s123*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/(16*s12*s123*s23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(8*s134*s23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s34*z2)/
    (s123*s134*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s34*z2)/(2*s123*s134*s23*z34) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s123*s134*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s34*z2)/(2*s123*s134*s23*z34) - (CA*(CA - 2*CF)*s12*s1234*s34*z2)/
    (8*s134*s14*s23*z34) - (CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (8*s134*s14*s23*z34) + (CF*(-CA + 2*CF)*s12*s1234*s34*z2)/
    (4*s23*s234^2*z34) - (CF*(-CA + 2*CF)*D*s12*s1234*s34*z2)/
    (8*s23*s234^2*z34) + (CF*(-CA + 2*CF)*s1234*s13*s34*z2)/
    (2*s23*s234^2*z34) - (CF*(-CA + 2*CF)*D*s1234*s13*s34*z2)/
    (8*s23*s234^2*z34) - (CF*(-CA + 2*CF)*s1234*s14*s34*z2)/
    (4*s23*s234^2*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z2)/(s124*s234*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s34*z2)/(2*s124*s234*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s134*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*
     z2)/(2*s134*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s34*z2)/(s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s134*s14*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/(16*s23*s234*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s34*z2)/
    (s123*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s34*z2)/(2*s123*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (4*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/
    (16*s12*s23*s234*z34) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z2)/(s123*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z2)/
    (2*s123*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s34*z2)/(s134*s23*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s34*z2)/
    (2*s134*s23*s234*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z2)/(s134*s23*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z2)/
    (2*s134*s23*s234*z34) + (CA*(CA - 2*CF)*s12*s1234*s34*z2)/
    (8*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (8*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s14*s34*z2)/
    (8*s12*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*s34*z2)/(s134*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*z3)/
    (4*s124*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/(16*s124*z34) - 
   (CF*(-CA + 2*CF)*s12*s1234*z3)/(4*s134^2*z34) + 
   (CF*(-CA + 2*CF)*D*s12*s1234*z3)/(8*s134^2*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s134*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s124*s134*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     z3)/(2*s124*s134*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (8*s12*s123*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s12*s123*z34) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s134*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*
     z3)/(2*s123*s134*z34) - (CA*(CA - 2*CF)*s12*s1234*z3)/(8*s134*s23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s123*s23*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z3)/
    (s123*s134*s23*z34) + (CF*(-CA + 2*CF)*s1234*s23*z3)/(4*s134^2*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3)/(8*s12*s134*z34) + 
   (CF*(-CA + 2*CF)*s1234*s14*z3)/(2*s234^2*z34) - 
   (CF*(-CA + 2*CF)*D*s1234*s14*z3)/(8*s234^2*z34) + 
   (CA*(CA - 2*CF)*s1234*z3)/(8*s234*z34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s124*s234*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     z3)/(2*s124*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s134*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D*s12*s1234*z3)/(2*s134*s234*z34) - (CA*(CA - 2*CF)*s1234*s14*z3)/
    (4*s12*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s12*s234*z34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*
     z3)/(2*s123*s234*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s134*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (2*s134*s234*z34) + (CA*(CA - 2*CF)*s12*s1234*z3)/(8*s23*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z3)/
    (s123*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*z3)/(s134*s234*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s124*s14*z34) - (CF*(-CA + 2*CF)*s1234*s13*s24*z3)/
    (4*s134^2*s14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*
     s24*z3)/(s124*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s123*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s123*s23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s12*s123*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(16*s12*s123*s23*z34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3)/
    (s123*s134*s23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24*z3)/(2*s123*s134*s23*z34) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s123*s134*s23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*z3)/(2*s123*s134*s23*z34) + (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (8*s134*s14*s23*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s134*s14*s23*z34) - (CF*(-CA + 2*CF)*s12*s1234*s24*z3)/
    (4*s23*s234^2*z34) + (CF*(-CA + 2*CF)*D*s12*s1234*s24*z3)/
    (8*s23*s234^2*z34) - (CF*(-CA + 2*CF)*s1234*s13*s24*z3)/
    (2*s23*s234^2*z34) + (CF*(-CA + 2*CF)*D*s1234*s13*s24*z3)/
    (8*s23*s234^2*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3)/(s124*s14*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s134*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s23*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s23*s234*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3)/
    (s123*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24*z3)/(2*s123*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s12*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s12*s23*s234*z34) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s123*s23*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z3)/
    (2*s123*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3)/(s134*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z3)/
    (2*s134*s23*s234*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s134*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z3)/
    (2*s134*s23*s234*z34) - (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (8*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s13*z3)/(4*s124*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s124*s34*z34) - 
   (CF*(-CA + 2*CF)*s12*s1234*s13*z3)/(4*s134^2*s34*z34) + 
   (CF*(-CA + 2*CF)*D*s12*s1234*s13*z3)/(8*s134^2*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s134*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z3)/
    (s124*s134*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13*z3)/(2*s124*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*z3)/
    (8*s123*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z3)/(4*s124*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s124*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z3)/(8*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/(16*s12*s123*s34*z34) - 
   (CF*(-CA + 2*CF)*s12*s1234*s14*z3)/(4*s134^2*s34*z34) + 
   (CF*(-CA + 2*CF)*D*s12*s1234*s14*z3)/(8*s134^2*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s134*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z3)/
    (s124*s134*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s14*z3)/(2*s124*s134*s34*z34) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z3)/
    (s123*s134*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s14*z3)/(2*s123*s134*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s14^2*z3)/
    (8*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14^2*z3)/
    (16*s12*s123*s34*z34) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14^2*z3)/(s123*s134*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14^2*z3)/
    (2*s123*s134*s34*z34) - (CA*(CA - 2*CF)*s12*s1234*s13*z3)/
    (8*s134*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z3)/
    (8*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s12*s1234*s14*z3)/
    (8*s134*s23*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*s14*z3)/(s123*s134*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s14^2*z3)/(8*s123*s23*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*s14^2*z3)/
    (s123*s134*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z3)/
    (4*s124*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z3)/(16*s124*s34*z34) + 
   (CF*(-CA + 2*CF)*s1234*s13*s23*z3)/(4*s134^2*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3)/(8*s134*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z3)/(16*s134*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z3)/(8*s12*s134*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*s23*z3)/(8*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s23*z3)/(16*s12*s123*s34*z34) + 
   (CF*(-CA + 2*CF)*s1234*s14*s23*z3)/(4*s134^2*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s23*z3)/(8*s12*s134*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s23^2*z3)/(8*s12*s134*s34*z34) + 
   (CF*(-CA + 2*CF)*s1234*s14*s23*z3)/(2*s234^2*s34*z34) - 
   (CF*(-CA + 2*CF)*D*s1234*s14*s23*z3)/(8*s234^2*s34*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(8*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z3)/
    (s123*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z3)/
    (4*s12*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/
    (16*s12*s234*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z3)/(s134*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z3)/
    (2*s134*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s14^2*z3)/
    (4*s12*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14^2*z3)/
    (16*s12*s234*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14^2*z3)/(s134*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14^2*z3)/
    (2*s134*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z3)/(8*s234*s34*z34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z3)/
    (s124*s234*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s23*z3)/(2*s124*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z3)/
    (s134*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s23*z3)/(2*s134*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*s23*z3)/
    (4*s12*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s23*z3)/
    (16*s12*s234*s34*z34) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s23*z3)/(s123*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s23*z3)/
    (2*s123*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s23^2*z3)/(s134*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (4*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s123*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s124*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s124*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s12*s123*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(16*s12*s123*s34*z34) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24*z3)/(4*s134^2*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s134*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s134*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3)/
    (s124*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s124*s14*s34*z34) - (CF*(-CA + 2*CF)*s1234*s13^2*s24*z3)/
    (4*s134^2*s14*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*s24*z3)/(s124*s134*s14*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*s24*z3)/(8*s12*s134*s14*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z3)/(8*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/(16*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(4*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(16*s123*s23*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*s24*z3)/(8*s12*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*s24*z3)/(16*s12*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3)/(8*s134*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s134*s23*s34*z34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*s24*z3)/
    (s123*s134*s23*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s13*s24*z3)/(2*s123*s134*s23*s34*z34) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*s24*z3)/
    (s123*s134*s23*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2*s24*z3)/(2*s123*s134*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*s24*z3)/(8*s134*s14*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*s24*z3)/(8*s134*s14*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3)/(8*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/(16*s123*s23*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*s24*z3)/(8*s12*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*s24*z3)/(16*s12*s123*s23*s34*z34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*s24*z3)/
    (s123*s134*s23*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s14*s24*z3)/(2*s123*s134*s23*s34*z34) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*s24*z3)/
    (s123*s134*s23*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s14*s24*z3)/(2*s123*s134*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z3)/(8*s12*s134*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z3)/(8*s124*s14*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*s24*z3)/(8*s12*s134*s14*s34*z34) - 
   (CF*(-CA + 2*CF)*s12*s1234*s24*z3)/(4*s234^2*s34*z34) + 
   (CF*(-CA + 2*CF)*D*s12*s1234*s24*z3)/(8*s234^2*s34*z34) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24*z3)/(2*s234^2*s34*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*s24*z3)/(8*s234^2*s34*z34) + 
   (CF*(-CA + 2*CF)*s1234*s14*s24*z3)/(2*s234^2*s34*z34) - 
   (CF*(-CA + 2*CF)*D*s1234*s14*s24*z3)/(8*s234^2*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3)/
    (s123*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24*z3)/(2*s123*s234*s34*z34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3)/
    (s124*s234*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24*z3)/(2*s124*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s12*s234*s34*z34) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s123*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z3)/
    (2*s123*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3)/(s134*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z3)/
    (2*s134*s234*s34*z34) - (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (8*s14*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s14*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (4*s12*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/
    (16*s12*s234*s34*z34) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z3)/(s123*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z3)/
    (2*s123*s234*s34*z34) + (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (8*s23*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s23*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s13^2*s24*z3)/
    (4*s12*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*s24*z3)/
    (16*s12*s23*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13*s24*z3)/(s134*s23*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*s24*z3)/
    (2*s134*s23*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*s24*z3)/(s134*s23*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*s24*z3)/
    (2*s134*s23*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (8*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/
    (16*s23*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s14*s24*z3)/(s123*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*s24*z3)/(4*s12*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*s24*z3)/(16*s12*s23*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*s24*z3)/
    (s134*s23*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s14*s24*z3)/(2*s134*s23*s234*s34*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*s24*z3)/
    (s134*s23*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s14*s24*z3)/(2*s134*s23*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z3)/
    (s134*s234*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s23*s24*z3)/(s124*s14*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*s24*z3)/
    (s134*s14*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (8*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24^2*z3)/
    (8*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (4*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (16*s123*s23*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24^2*z3)/
    (8*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24^2*z3)/
    (16*s12*s123*s23*s34*z34) - (CF*(-CA + 2*CF)*s12*s1234*s24^2*z3)/
    (4*s23*s234^2*s34*z34) + (CF*(-CA + 2*CF)*D*s12*s1234*s24^2*z3)/
    (8*s23*s234^2*s34*z34) - (CF*(-CA + 2*CF)*s1234*s13*s24^2*z3)/
    (2*s23*s234^2*s34*z34) + (CF*(-CA + 2*CF)*D*s1234*s13*s24^2*z3)/
    (8*s23*s234^2*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24^2*z3)/(s124*s14*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24^2*z3)/
    (s134*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (8*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (16*s23*s234*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24^2*z3)/(s123*s23*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24^2*z3)/
    (2*s123*s23*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24^2*z3)/
    (4*s12*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24^2*z3)/
    (16*s12*s23*s234*s34*z34) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24^2*z3)/(s123*s23*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24^2*z3)/
    (2*s123*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s12*s1234*s24^2*z3)/
    (8*s14*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24^2*z3)/
    (8*s14*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s123*z23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1*z3)/(s123*s134*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s134*s14*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s123*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s123*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s134*s23*z23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z1*z3)/(s123*s134*s23*z23*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1*z3)/
    (s123*s134*s23*z23*z34) - (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/
    (8*s134*s14*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (4*s134*s14*s23*z23*z34) - (CF*(-CA + 2*CF)*s1234*s24*z1*z3)/
    (2*s234^2*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s234*z23*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1*z3)/(s123*s234*z23*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1*z3)/
    (s134*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s14*s234*z23*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z1*z3)/(s123*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s12*s23*s234*z23*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1*z3)/
    (s123*s23*s234*z23*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1*z3)/(s134*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/(8*s14*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s14*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/(8*s12*s23*s234*z23*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z1*z3)/
    (s134*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s134*s14*s23*z23*z34) - (CF*(-CA + 2*CF)*s1234*s24^2*z1*z3)/
    (2*s23*s234^2*z23*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (4*s12*s23*s234*z23*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1*z3)/(s134*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(4*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(4*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s134*s34*z23*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1*z3)/
    (s123*s134*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s134*s14*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/
    (8*s12*s123*s34*z23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z1*z3)/(s123*s134*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*s24*z1*z3)/(8*s12*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/(8*s134*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s134*s23*s34*z23*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*s24*z1*z3)/
    (s123*s134*s23*s34*z23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*s24*z1*z3)/(s123*s134*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*s24*z1*z3)/(8*s134*s14*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*s24*z1*z3)/(8*s134*s14*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/(8*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*s24*z1*z3)/(8*s12*s123*s23*s34*z23*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*s14*s24*z1*z3)/
    (s123*s134*s23*s34*z23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*s24*z1*z3)/(s123*s134*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/(8*s12*s123*s34*z23*z34) - 
   (CF*(-CA + 2*CF)*s1234*s23*s24*z1*z3)/(4*s234^2*s34*z23*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z1*z3)/
    (s123*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s234*s34*z23*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1*z3)/(s123*s234*s34*z23*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1*z3)/
    (s134*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/
    (8*s14*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s14*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/
    (8*s12*s234*s34*z23*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z1*z3)/(s134*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/(8*s12*s234*s34*z23*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1*z3)/
    (s123*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/
    (8*s14*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s123*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s24^2*z1*z3)/
    (8*s12*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s134*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s24^2*z1*z3)/
    (8*s134*s14*s23*s34*z23*z34) - (CF*(-CA + 2*CF)*s1234*s24^2*z1*z3)/
    (2*s234^2*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (4*s12*s234*s34*z23*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1*z3)/(s123*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(4*s14*s234*s34*z23*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24^2*z1*z3)/
    (s123*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s24^2*z1*z3)/
    (8*s12*s23*s234*s34*z23*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24^2*z1*z3)/(s123*s23*s234*s34*z23*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24^2*z1*z3)/
    (s134*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s12*s1234*s24^2*z1*z3)/
    (8*s14*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s24^2*z1*z3)/
    (8*s14*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*s24^2*z1*z3)/
    (8*s12*s23*s234*s34*z23*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24^2*z1*z3)/(s134*s23*s234*s34*z23*z34) - 
   (CF*(-CA + 2*CF)*s1234*s24^3*z1*z3)/(4*s23*s234^2*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^3*z1*z3)/(8*s12*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^3*z1*z3)/(8*s14*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/(8*s134*s14*s23*z23*z34) - 
   (CF*(-CA + 2*CF)*s1234*s24*s34*z1*z3)/(4*s23*s234^2*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/(8*s12*s23*s234*z23*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1*z3)/
    (s134*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/
    (8*s14*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s134*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s12*s123*z23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2*z3)/(s123*s134*z23*z34) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s134*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (4*s134*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s123*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (8*s12*s123*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s134*s23*z23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s14*z2*z3)/(s123*s134*s23*z23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2*z3)/
    (s123*s134*s23*z23*z34) + (CF*(-CA + 2*CF)*s1234*s14*z2*z3)/
    (2*s234^2*z23*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(4*s12*s234*z23*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z2*z3)/
    (s123*s234*z23*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2*z3)/(s134*s234*z23*z34) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s23*s234*z23*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s14*z2*z3)/(s123*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/(8*s12*s23*s234*z23*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2*z3)/
    (s123*s23*s234*z23*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2*z3)/(s134*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/(8*s12*s23*s234*z23*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14^2*z2*z3)/
    (s134*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s134*s23*z23*z34) + (CF*(-CA + 2*CF)*s1234*s14*s24*z2*z3)/
    (2*s23*s234^2*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (4*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (4*s12*s23*s234*z23*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z2*z3)/(s134*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s134*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/(4*s12*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s134*s34*z23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2*z3)/
    (s123*s134*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/
    (8*s12*s123*s34*z23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14^2*z2*z3)/(s123*s134*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z2*z3)/(8*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(8*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/(8*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*s14*z2*z3)/(8*s12*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s14*z2*z3)/(8*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/(8*s134*s23*s34*z23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*s14*z2*z3)/
    (s123*s134*s23*s34*z23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*s14*z2*z3)/(s123*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/(8*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14^2*z2*z3)/(8*s12*s123*s23*s34*z23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14^2*z2*z3)/
    (s123*s134*s23*s34*z23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14^2*z2*z3)/(s123*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s23*z2*z3)/(8*s12*s123*s34*z23*z34) + 
   (CF*(-CA + 2*CF)*s1234*s14*s23*z2*z3)/(4*s234^2*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(8*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s234*s34*z23*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z2*z3)/
    (s123*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (8*s12*s234*s34*z23*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2*z3)/(s123*s234*s34*z23*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2*z3)/
    (s134*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/
    (8*s12*s234*s34*z23*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s14^2*z2*z3)/(s134*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3)/(8*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s23*z2*z3)/(8*s12*s234*s34*z23*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*s23*z2*z3)/
    (s123*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (8*s12*s123*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (8*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (8*s123*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*s24*z2*z3)/
    (8*s12*s123*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (8*s134*s23*s34*z23*z34) + (CF*(-CA + 2*CF)*s1234*s14*s24*z2*z3)/
    (2*s234^2*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (4*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (4*s12*s234*s34*z23*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z2*z3)/(s123*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z2*z3)/(8*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(8*s23*s234*s34*z23*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s14*s24*z2*z3)/
    (s123*s23*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*s24*z2*z3)/
    (8*s12*s23*s234*s34*z23*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s14*s24*z2*z3)/
    (s123*s23*s234*s34*z23*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*s24*z2*z3)/(s134*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14^2*s24*z2*z3)/(8*s12*s23*s234*s34*z23*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14^2*s24*z2*z3)/
    (s134*s23*s234*s34*z23*z34) + (CF*(-CA + 2*CF)*s1234*s14*s24^2*z2*z3)/
    (4*s23*s234^2*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (8*s23*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*s24^2*z2*z3)/
    (8*s12*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s134*s23*z23*z34) + (CF*(-CA + 2*CF)*s1234*s14*s34*z2*z3)/
    (4*s23*s234^2*z23*z34) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*s34*z2*z3)/
    (8*s12*s23*s234*z23*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s14*s34*z2*z3)/(s134*s23*s234*z23*z34) - 
   (CF*(-CA + 2*CF)*s12*s1234*z4)/(2*s123^2*z12) + 
   (CF*(-CA + 2*CF)*D*s12*s1234*z4)/(8*s123^2*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s124*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s124*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     z4)/(2*s123*s124*z12) - (CF*(-CA + 2*CF)*s1234*s13*z4)/(4*s123^2*z12) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*z4)/(8*s123^2*z12) + 
   (CF*(-CA + 2*CF)*s1234*s13*z4)/(2*s124^2*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z4)/(8*s124^2*z12) - 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s134*z12) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s134*z12) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*
     z4)/(s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*z4)/(2*s124*s134*z12) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (8*s123*s14*z12) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s124*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s123*s14*z12) + 
   (CF*(-CA + 2*CF)*s12*s1234*s13*z4)/(2*s124^2*s14*z12) - 
   (CF*(-CA + 2*CF)*D*s12*s1234*s13*z4)/(8*s124^2*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s124*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s124*s14*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z4)/
    (s123*s124*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13*z4)/(2*s123*s124*s14*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z4)/
    (s123*s124*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13^2*z4)/(2*s123*s124*s14*z12) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (4*s134*s14*z12) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s134*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s134*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s134*s14*z12) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z4)/
    (s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13*z4)/(2*s123*s134*s14*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z4)/
    (s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13*z4)/(2*s124*s134*s14*z12) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z4)/
    (s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13^2*z4)/(2*s123*s134*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z4)/
    (s123*s124*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*
     z4)/(2*s123*s124*z12) + (CF*(-CA + 2*CF)*s12*s1234*s13*z4)/
    (4*s123^2*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s124*s23*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z4)/
    (s123*s124*s23*z12) + (CF*(-CA + 2*CF)*s1234*s13^2*z4)/
    (4*s123^2*s23*z12) - (CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (8*s123*s14*s23*z12) + (CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (8*s124*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (8*s123*s14*s23*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*z4)/(s123*s124*s23*z12) - (CF*(-CA + 2*CF)*s1234*s23*z4)/
    (2*s123^2*z12) + (CF*(-CA + 2*CF)*D*s1234*s23*z4)/(8*s123^2*z12) - 
   (CF*(-CA + 2*CF)*s1234*s23*z4)/(4*s124^2*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s123*s14*z12) - 
   (CF*(-CA + 2*CF)*s12*s1234*s23*z4)/(4*s124^2*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s124*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(16*s124*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z4)/
    (s123*s124*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*z4)/(s123*s124*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z4)/
    (2*s123*s124*s14*z12) - (CA*(CA - 2*CF)*s1234*s23*z4)/(4*s134*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(16*s134*s14*z12) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z4)/
    (s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s23*z4)/(2*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23^2*z4)/
    (s123*s124*s14*z12) + (CA*(CA - 2*CF)*s1234*z4)/(8*s234*z12) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     z4)/(2*s123*s234*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s124*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     D*s12*s1234*z4)/(2*s124*s234*z12) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*
     z4)/(2*s123*s234*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z4)/(s124*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z4)/
    (2*s124*s234*z12) + (CA*(CA - 2*CF)*s12*s1234*z4)/(8*s23*s234*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s23*s234*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z4)/(8*s23*s234*z12) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*
     z4)/(2*s123*s234*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s123*s124*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (2*s123*s124*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s124*s14*z12) + 
   (CF*(-CA + 2*CF)*s1234*s13*s24*z4)/(2*s124^2*s14*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*s24*z4)/(8*s124^2*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(4*s134*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s134*s14*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z4)/
    (s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*z4)/(2*s124*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z4)/
    (s123*s124*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s124*s14*s23*z12) - (CF*(-CA + 2*CF)*s1234*s23*s24*z4)/
    (4*s124^2*s14*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s124*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24*z4)/(2*s124*s234*z12) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s23*s234*z12) + (CA*(CA - 2*CF)*s12*s1234*z4)/(4*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s123*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s124*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4)/(4*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/(16*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(4*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(16*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z4)/(8*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/(16*s134*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/(8*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z4)/(4*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z4)/(16*s123*s34*z12) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4)/(8*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(8*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z4)/(8*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(4*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(16*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s12*s1234*s23*z4)/(8*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4)/(8*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/(16*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z4)/(8*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z4)/(8*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z4)/(8*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z4)/(8*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z4)/(16*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(8*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(16*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(4*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s123*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(4*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z4)/(8*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z4)/(8*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s234*s34*z12) + 
   (CF*(-CA + 2*CF)*s1234*s34*z4)/(4*s124^2*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s34*z4)/(8*s124^2*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z4)/
    (s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*
     z4)/(2*s124*s134*z12) - (CA*(CA - 2*CF)*s1234*s34*z4)/(8*s123*s14*z12) + 
   (CF*(-CA + 2*CF)*s12*s1234*s34*z4)/(4*s124^2*s14*z12) - 
   (CF*(-CA + 2*CF)*D*s12*s1234*s34*z4)/(8*s124^2*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s34*z4)/
    (s123*s124*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s34*z4)/(2*s123*s124*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z4)/
    (s123*s124*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s34*z4)/(2*s123*s124*s14*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s34*z4)/
    (s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s34*z4)/(2*s123*s134*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s34*z4)/
    (s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s34*z4)/(2*s124*s134*s14*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z4)/
    (s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s34*z4)/(2*s123*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*s34*z4)/
    (8*s124*s23*z12) - (CA*(CA - 2*CF)*s12*s1234*s34*z4)/
    (8*s123*s14*s23*z12) + (CA*(CA - 2*CF)*s12*s1234*s34*z4)/
    (8*s124*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s13*s34*z4)/
    (8*s123*s14*s23*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*s34*z4)/(s123*s124*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s34*z4)/
    (2*s123*s124*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s34*z4)/(s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s34*z4)/
    (2*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s34*z4)/(s123*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s12*s1234*s34*z4)/(s123*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s34*z4)/
    (s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s34*z4)/(s123*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z4)/
    (s124*s23*s234*z12) + (CF*(-CA + 2*CF)*s1234*s24*s34*z4)/
    (4*s124^2*s14*z12) - (CF*(-CA + 2*CF)*D*s1234*s24*s34*z4)/
    (8*s124^2*s14*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*s34*z4)/(s124*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z4)/
    (2*s124*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*s24*s34*z4)/
    (8*s124*s14*s23*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*s34*z4)/(s124*s23*s234*z12) + (CA*(CA - 2*CF)*s1234*z4)/
    (4*s123*z14) - (CA*(CA - 2*CF)*D*s1234*z4)/(16*s123*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s124*z14) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s12*s123*z14) + (CF*(-CA + 2*CF)*s12*s1234*z4)/(2*s134^2*z14) - 
   (CF*(-CA + 2*CF)*D*s12*s1234*z4)/(8*s134^2*z14) + 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s134*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s124*s134*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     z4)/(2*s124*s134*z14) + (CA*(CA - 2*CF)*s12*s1234*z4)/(4*s123*s14*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s123*s14*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s124*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s123*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s123*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s124*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s124*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(8*s12*s123*s14*z14) + 
   (CF*(-CA + 2*CF)*s12*s1234*s13*z4)/(2*s134^2*s14*z14) - 
   (CF*(-CA + 2*CF)*D*s12*s1234*s13*z4)/(8*s134^2*s14*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12^2*s1234*z4)/
    (s124*s134*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12^2*
     s1234*z4)/(2*s124*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (4*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s134*s14*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(4*s134*s23*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s134*s23*z14) - 
   (CA*(CA - 2*CF)*s12^2*s1234*z4)/(4*s134*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z4)/(16*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4)/(4*s134*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/(16*s134*s14*s23*z14) - 
   (CF*(-CA + 2*CF)*s1234*s23*z4)/(4*s124^2*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s23*z4)/(8*s124^2*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*
     z4)/(2*s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*z4)/(s12*s123*s124*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*
     z4)/(2*s123*s134*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z4)/(s124*s134*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*z4)/(2*s124*s134*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z4)/
    (s12*s123*s134*z14) - (CF*(-CA + 2*CF)*s12*s1234*s23*z4)/
    (4*s124^2*s14*z14) + (CF*(-CA + 2*CF)*D*s12*s1234*s23*z4)/
    (8*s124^2*s14*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s23*z4)/(s123*s124*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s23*z4)/
    (2*s123*s124*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*z4)/(s123*s124*s14*z14) - (CF*(-CA + 2*CF)*s1234*s13*s23*z4)/
    (4*s134^2*s14*z14) + (CF*(-CA + 2*CF)*D*s1234*s13*s23*z4)/
    (8*s134^2*s14*z14) + (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s134*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4)/(8*s12*s134*s14*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z4)/
    (s123*s134*s14*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s23*z4)/(2*s123*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z4)/
    (s124*s134*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s23*z4)/(2*s124*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13^2*s23*z4)/
    (s12*s123*s134*s14*z14) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*z4)/(s124*s234*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*z4)/
    (2*s124*s234*z14) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s134*s234*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D*s12*s1234*z4)/(2*s134*s234*z14) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (8*s14*s234*z14) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12^2*
     s1234*z4)/(s124*s14*s234*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12^2*s1234*z4)/
    (2*s124*s14*s234*z14) + (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s14*s234*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s14*s234*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z4)/
    (s134*s14*s234*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13*z4)/(2*s134*s14*s234*z14) - (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (8*s23*s234*z14) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s23*s234*z14) - 
   (3*CA*(CA - 2*CF)*s12^2*s1234*z4)/(8*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z4)/(16*s14*s23*s234*z14) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z4)/(8*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/(16*s14*s23*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z4)/
    (s134*s14*s234*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*z4)/(s134*s14*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z4)/
    (2*s134*s14*s234*z14) - (CF*(-CA + 2*CF)*s1234*s13*s24*z4)/
    (4*s12*s124^2*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*
     s24*z4)/(s12*s124*s134*z14) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s123*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s123*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s124*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s12*s123*s14*z14) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24*z4)/(4*s124^2*s14*z14) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24*z4)/(2*s134^2*s14*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*s24*z4)/(8*s134^2*s14*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z4)/
    (s124*s134*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24*z4)/(2*s124*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s134*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13^2*s24*z4)/(s12*s124*s134*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s12*s124*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*s24*z4)/(8*s12*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z4)/(4*s134*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/(16*s134*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(4*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s134*s14*s23*z14) - 
   (CF*(-CA + 2*CF)*s1234*s23*s24*z4)/(4*s124^2*s14*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s23*s24*z4)/(8*s124^2*s14*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z4)/
    (s123*s124*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*s24*z4)/(2*s123*s124*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*s24*z4)/
    (s12*s123*s124*s14*z14) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s24*z4)/(s124*s14*s234*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z4)/
    (2*s124*s14*s234*z14) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s134*s14*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (2*s134*s14*s234*z14) - (3*CA*(CA - 2*CF)*s12*s1234*s24*z4)/
    (8*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/
    (16*s14*s23*s234*z14) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s14*s23*s234*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s14*s23*s234*z14) - (CF*(-CA + 2*CF)*s1234*s13*s24^2*z4)/
    (4*s12*s124^2*s14*z14) + (CA*(CA - 2*CF)*s1234*s13*s24^2*z4)/
    (8*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s134*s34*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4)/(8*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/(16*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(8*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(16*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s124*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4)/(8*s12*s124*s34*z14) - 
   (CF*(-CA + 2*CF)*s1234*s13*s23*z4)/(4*s134^2*s34*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*s23*z4)/(8*s134^2*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s134*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4)/(8*s12*s134*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z4)/
    (s124*s134*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s23*z4)/(2*s124*s134*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*s23*z4)/
    (8*s124*s14*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (8*s124*s14*s34*z14) - (CF*(-CA + 2*CF)*s1234*s13^2*s23*z4)/
    (4*s134^2*s14*s34*z14) + (CF*(-CA + 2*CF)*D*s1234*s13^2*s23*z4)/
    (8*s134^2*s14*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (8*s134*s14*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*s23*z4)/(s124*s134*s14*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*s23*z4)/
    (2*s124*s134*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13^2*s23*z4)/
    (8*s12*s134*s14*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (8*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s12^2*s1234*z4)/(8*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4)/(8*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/(16*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(4*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(16*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z4)/
    (s124*s234*s34*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*z4)/(s124*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z4)/
    (2*s124*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s23*z4)/(s134*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z4)/
    (s134*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s23*z4)/(2*s134*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12^2*s1234*s23*z4)/
    (s124*s14*s234*s34*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13*s23*z4)/(s124*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*s23*z4)/
    (2*s124*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13*s23*z4)/(s134*s14*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*s23*z4)/
    (s134*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2*s23*z4)/(2*s134*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s12*s124*s34*z14) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24*z4)/(2*s134^2*s34*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*s24*z4)/(8*s134^2*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s12*s134*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z4)/
    (s124*s134*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*z4)/(2*s124*s134*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s124*s14*s34*z14) - (CF*(-CA + 2*CF)*s1234*s13^2*s24*z4)/
    (2*s134^2*s14*s34*z14) + (CF*(-CA + 2*CF)*D*s1234*s13^2*s24*z4)/
    (8*s134^2*s14*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s134*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s134*s14*s34*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*s24*z4)/(s124*s134*s14*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*s24*z4)/
    (2*s124*s134*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13^2*s24*z4)/
    (8*s12*s134*s14*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (4*s134*s23*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s134*s23*s34*z14) + (CA*(CA - 2*CF)*s12*s1234*s13*s24*z4)/
    (4*s134*s14*s23*s34*z14) - (CA*(CA - 2*CF)*D*s12*s1234*s13*s24*z4)/
    (16*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*s1234*s13^2*s24*z4)/
    (4*s134*s14*s23*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13^2*s24*z4)/
    (16*s134*s14*s23*s34*z14) - (CA*(CA - 2*CF)*s1234*s23*s24*z4)/
    (8*s124*s14*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s23*s24*z4)/
    (8*s12*s124*s14*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*s24*z4)/(s124*s134*s14*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*s24*z4)/
    (2*s124*s134*s14*s34*z14) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s124*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (2*s124*s234*s34*z14) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s134*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (2*s134*s234*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*s24*z4)/
    (8*s14*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (4*s14*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s14*s234*s34*z14) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*s24*z4)/(s124*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*s24*z4)/
    (2*s124*s14*s234*s34*z14) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*s24*z4)/(s134*s14*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*s24*z4)/
    (2*s134*s14*s234*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s23*s234*s34*z14) + (3*CA*(CA - 2*CF)*s12*s1234*s13*s24*z4)/
    (8*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s12*s1234*s13*s24*z4)/
    (16*s14*s23*s234*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s13^2*s24*z4)/
    (8*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13^2*s24*z4)/
    (16*s14*s23*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s12*s1234*s23*s24*z4)/(s124*s14*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*s24*z4)/
    (s124*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s23*s24*z4)/(2*s124*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24^2*z4)/(8*s12*s124*s14*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24^2*z4)/
    (s124*s134*s14*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24^2*z4)/(2*s124*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24^2*z4)/(4*s134*s14*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24^2*z4)/(16*s134*s14*s23*s34*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24^2*z4)/
    (s124*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24^2*z4)/(2*s124*s14*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24^2*z4)/(8*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24^2*z4)/(16*s14*s23*s234*s34*z14) + 
   (CF*(-CA + 2*CF)*s1234*s34*z4)/(4*s124^2*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z4)/
    (s124*s134*z14) + (CA*(CA - 2*CF)*s1234*s34*z4)/(4*s123*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z4)/(16*s123*s14*z14) + 
   (CF*(-CA + 2*CF)*s12*s1234*s34*z4)/(4*s124^2*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z4)/(8*s124*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z4)/(16*s124*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z4)/(8*s12*s123*s14*z14) + 
   (CF*(-CA + 2*CF)*s12*s1234*s34*z4)/(2*s134^2*s14*z14) - 
   (CF*(-CA + 2*CF)*D*s12*s1234*s34*z4)/(8*s134^2*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z4)/(8*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z4)/
    (s124*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s34*z4)/(8*s124*s23*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*s34*z4)/(8*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z4)/(8*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*s34*z4)/(4*s134*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s34*z4)/(16*s134*s14*s23*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z4)/
    (s123*s134*s14*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*s34*z4)/(2*s123*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z4)/
    (s124*s134*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*s34*z4)/(2*s124*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*s23*s34*z4)/
    (s12*s123*s134*s14*z14) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s34*z4)/(s134*s14*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s34*z4)/
    (2*s134*s14*s234*z14) - (3*CA*(CA - 2*CF)*s12*s1234*s34*z4)/
    (8*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s12*s1234*s34*z4)/
    (16*s14*s23*s234*z14) + (CF*(-CA + 2*CF)*s1234*s24*s34*z4)/
    (4*s124^2*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*
     s24*s34*z4)/(s12*s124*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z4)/
    (8*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*s34*z4)/
    (8*s12*s124*s14*s23*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s34^2*z4)/(s124*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s34^2*z4)/
    (8*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s123*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(4*s124*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s12*s123*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s12*s124*z12*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s123*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s124*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(4*s123*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s124*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/(8*s12*s123*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z4)/(8*s12*s124*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s12*s123*z12*z14) + 
   (CF*(-CA + 2*CF)*s1234*s23*z1*z4)/(2*s124^2*z12*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*z1*z4)/
    (s123*s124*z12*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*z1*z4)/(s12*s123*s124*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s12*s134*z12*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1*z4)/
    (s123*s134*z12*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1*z4)/(s124*s134*z12*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z1*z4)/
    (s12*s123*s134*z12*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z1*z4)/(s12*s124*s134*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s123*s14*z12*z14) + 
   (CF*(-CA + 2*CF)*s12*s1234*s23*z1*z4)/(4*s124^2*s14*z12*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z1*z4)/
    (s123*s124*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (8*s12*s123*s14*z12*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z1*z4)/(s123*s124*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s134*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(8*s12*s134*s14*z12*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z1*z4)/
    (s123*s134*s14*z12*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z1*z4)/(s124*s134*s14*z12*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*s23*z1*z4)/
    (s12*s123*s134*s14*z12*z14) + (CF*(-CA + 2*CF)*s1234*s14*s23*z1*z4)/
    (4*s12*s124^2*z12*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s14*s23*z1*z4)/(s12*s124*s134*z12*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23^2*z1*z4)/
    (s12*s123*s124*z12*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23^2*z1*z4)/(s12*s123*s134*z12*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23^2*z1*z4)/
    (s123*s124*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/
    (8*s12*s134*s14*z12*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23^2*z1*z4)/(s12*s123*s134*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(4*s12*s124*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s123*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(4*s124*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(8*s12*s123*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(8*s12*s124*s14*z12*z14) + 
   (CF*(-CA + 2*CF)*s1234*s23*s24*z1*z4)/(2*s12*s124^2*z12*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1*z4)/
    (s12*s124*s134*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (8*s12*s123*s14*z12*z14) + (CF*(-CA + 2*CF)*s1234*s23*s24*z1*z4)/
    (2*s124^2*s14*z12*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z1*z4)/(s123*s124*s14*z12*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s23*s24*z1*z4)/
    (s12*s123*s124*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (8*s12*s134*s14*z12*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*s24*z1*z4)/(s12*s124*s134*s14*z12*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23^2*s24*z1*z4)/
    (s12*s123*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (8*s12*s124*s14*z12*z14) + (CF*(-CA + 2*CF)*s1234*s23*s24^2*z1*z4)/
    (4*s12*s124^2*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (4*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (8*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (4*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s12*s1234*s23*z1*z4)/
    (8*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (8*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (8*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13^2*s23*z1*z4)/
    (8*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s14*s23*z1*z4)/
    (8*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s14*s23*z1*z4)/
    (8*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/
    (8*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/
    (8*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/
    (8*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s23^2*z1*z4)/
    (8*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (4*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (8*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (4*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s23*s24*z1*z4)/
    (8*s12*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s23*s24*z1*z4)/
    (8*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23^2*s24*z1*z4)/
    (8*s12*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*s24^2*z1*z4)/
    (8*s12*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s12*s124*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s124*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s34*z1*z4)/
    (8*s12*s123*s14*z12*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s23*s34*z1*z4)/(s12*s124*s134*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*s34*z1*z4)/(8*s12*s123*s14*z12*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z1*z4)/
    (s123*s134*s14*z12*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s23*s34*z1*z4)/(s124*s134*s14*z12*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*s34*z1*z4)/
    (s12*s123*s134*s14*z12*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23^2*s34*z1*z4)/(s12*s123*s134*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z4)/(8*s12*s124*s14*z12*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*s24*s34*z1*z4)/
    (s12*s124*s134*s14*z12*z14) - (CF*(-CA + 2*CF)*s12*s1234*z4)/
    (2*s123^2*z23) + (CF*(-CA + 2*CF)*D*s12*s1234*z4)/(8*s123^2*z23) + 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s124*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s124*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     z4)/(2*s123*s124*z23) - (CF*(-CA + 2*CF)*s1234*s13*z4)/(4*s123^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*z4)/(8*s123^2*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s124*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s124*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*
     z4)/(2*s123*s124*z23) + (CF*(-CA + 2*CF)*s1234*s13^2*z4)/
    (4*s12*s123^2*z23) - (CA*(CA - 2*CF)*s1234*z4)/(4*s134*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s134*z23) + (CA*(CA - 2*CF)*s12*s1234*z4)/
    (4*s123*s14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s123*s14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z4)/(8*s124*s14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s124*s14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s123*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s123*s14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s124*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s124*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(8*s12*s123*s14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s134*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s134*s14*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z4)/
    (s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*
     s14*z4)/(s12*s123*s124*z23) - (CF*(-CA + 2*CF)*s1234*s23*z4)/
    (2*s123^2*z23) + (CF*(-CA + 2*CF)*D*s1234*s23*z4)/(8*s123^2*z23) + 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s12*s124*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s123*s124*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*
     z4)/(2*s123*s124*z23) + (CF*(-CA + 2*CF)*s1234*s13*s23*z4)/
    (4*s12*s123^2*z23) + (CA*(CA - 2*CF)*s1234*s23*z4)/(4*s123*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(16*s123*s14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(8*s124*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(16*s124*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4)/(8*s12*s123*s14*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*s23*z4)/
    (s12*s123*s124*z23) - (CF*(-CA + 2*CF)*s12*s1234*z4)/(4*s234^2*z23) + 
   (CF*(-CA + 2*CF)*s1234*s13*z4)/(2*s234^2*z23) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z4)/(8*s234^2*z23) + 
   (CF*(-CA + 2*CF)*s1234*s14*z4)/(4*s234^2*z23) - 
   (CF*(-CA + 2*CF)*D*s1234*s14*z4)/(8*s234^2*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s234*z23) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s12*s234*z23) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*
     z4)/(s134*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*z4)/(2*s134*s234*z23) + (CA*(CA - 2*CF)*s12*s1234*z4)/
    (8*s14*s234*z23) - (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s14*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s14*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z4)/(8*s12*s234*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z4)/
    (s134*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*
     z4)/(2*s134*s234*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s123*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (2*s123*s234*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z4)/(s124*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*z4)/(2*s124*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z4)/
    (s12*s123*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*s23*z4)/(s12*s124*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s12*s124*z23) + (CA*(CA - 2*CF)*s1234*s24*z4)/(4*s123*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s123*s14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z4)/(8*s124*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s124*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s12*s123*s14*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z4)/
    (s123*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*
     z4)/(2*s123*s234*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s124*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (2*s124*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*
     s24*z4)/(s12*s123*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z4)/(s12*s124*s234*z23) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (8*s123*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s123*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(8*s12*s123*s34*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(4*s134*s34*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s134*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s134*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s134*s34*z23) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z4)/
    (s123*s134*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13*z4)/(2*s123*s134*s34*z23) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z4)/
    (s123*s134*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13^2*z4)/(2*s123*s134*s34*z23) - (3*CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (8*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/
    (16*s134*s14*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (8*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*s1234*s14*z4)/(8*s123*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z4)/(8*s12*s123*s34*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z4)/
    (s123*s134*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s14*z4)/(2*s123*s134*s34*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z4)/
    (s123*s134*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s14*z4)/(2*s123*s134*s34*z23) - (CA*(CA - 2*CF)*s1234*s23*z4)/
    (8*s123*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (8*s12*s123*s34*z23) - (CA*(CA - 2*CF)*s1234*s23*z4)/(4*s134*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(16*s134*s34*z23) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z4)/
    (s123*s134*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s23*z4)/(2*s123*s134*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (8*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*s1234*s14*s23*z4)/
    (8*s12*s123*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*s23*z4)/(s123*s134*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s23*z4)/
    (2*s123*s134*s34*z23) - (CF*(-CA + 2*CF)*s12*s1234*s23*z4)/
    (4*s234^2*s34*z23) + (CF*(-CA + 2*CF)*s1234*s13*s23*z4)/
    (2*s234^2*s34*z23) - (CF*(-CA + 2*CF)*D*s1234*s13*s23*z4)/
    (8*s234^2*s34*z23) + (CF*(-CA + 2*CF)*s1234*s14*s23*z4)/
    (4*s234^2*s34*z23) - (CF*(-CA + 2*CF)*D*s1234*s14*s23*z4)/
    (8*s234^2*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z4)/(8*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12^2*s1234*z4)/
    (s123*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z4)/
    (s123*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13*z4)/(2*s123*s234*s34*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z4)/
    (s123*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13^2*z4)/(2*s123*s234*s34*z23) + (CA*(CA - 2*CF)*s12^2*s1234*z4)/
    (8*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (8*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/
    (16*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (4*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (16*s14*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s14*z4)/(s123*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s14*z4)/
    (2*s123*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*z4)/(s123*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z4)/
    (2*s123*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*
     s23*z4)/(s123*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (8*s12*s234*s34*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*z4)/(s123*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z4)/
    (2*s123*s234*s34*z23) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z4)/(s134*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z4)/
    (2*s134*s234*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s23*z4)/
    (8*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (4*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/
    (16*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s14*s23*z4)/
    (8*s12*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*s23*z4)/(s123*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s23*z4)/
    (2*s123*s234*s34*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s23*z4)/(s134*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s23*z4)/
    (2*s134*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z4)/(4*s134*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s134*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s134*s14*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s134*s14*s34*z23) - 
   (CF*(-CA + 2*CF)*s12*s1234*s24*z4)/(4*s234^2*s34*z23) + 
   (CF*(-CA + 2*CF)*s1234*s13*s24*z4)/(2*s234^2*s34*z23) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*s24*z4)/(8*s234^2*s34*z23) + 
   (CF*(-CA + 2*CF)*s1234*s14*s24*z4)/(4*s234^2*s34*z23) - 
   (CF*(-CA + 2*CF)*D*s1234*s14*s24*z4)/(8*s234^2*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s12*s234*s34*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z4)/
    (s134*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*z4)/(2*s134*s234*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z4)/
    (8*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (4*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s14*s24*z4)/
    (8*s12*s234*s34*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*s24*z4)/(s134*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z4)/
    (2*s134*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s34*z4)/(8*s12*s124*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z4)/(4*s123*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z4)/(16*s123*s14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z4)/(8*s124*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z4)/(16*s124*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z4)/(8*s12*s123*s14*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z4)/
    (s123*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*
     z4)/(2*s123*s234*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z4)/(s124*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z4)/
    (2*s124*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*
     s34*z4)/(s12*s123*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s34*z4)/(s12*s124*s234*z23) - 
   (CF*(-CA + 2*CF)*s1234*s13*z2*z4)/(2*s123^2*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s124*z12*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2*z4)/
    (s123*s124*z12*z23) - (CF*(-CA + 2*CF)*s1234*s13^2*z2*z4)/
    (2*s12*s123^2*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s123*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s124*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (4*s12*s123*s14*z12*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2*z4)/(s12*s123*s124*z12*z23) - 
   (CF*(-CA + 2*CF)*s12*s1234*s13*z2*z4)/(4*s123^2*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s124*s23*z12*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z2*z4)/
    (s123*s124*s23*z12*z23) - (CF*(-CA + 2*CF)*s1234*s13^2*z2*z4)/
    (2*s123^2*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s12*s124*s23*z12*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z2*z4)/(s123*s124*s23*z12*z23) - 
   (CF*(-CA + 2*CF)*s1234*s13^3*z2*z4)/(4*s12*s123^2*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/(8*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/(8*s124*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(4*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s124*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^3*z2*z4)/(8*s12*s123*s14*s23*z12*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2*z4)/
    (s123*s124*s23*z12*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*s14*z2*z4)/(s12*s123*s124*s23*z12*z23) - 
   (CF*(-CA + 2*CF)*s1234*s13*s23*z2*z4)/(4*s12*s123^2*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/(8*s12*s123*s14*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s234*z12*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2*z4)/
    (s123*s234*z12*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2*z4)/(s124*s234*z12*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z2*z4)/
    (s12*s123*s234*z12*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2*z4)/(s12*s124*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/(8*s12*s23*s234*z12*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z2*z4)/
    (s12*s123*s234*z12*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2*z4)/(s12*s123*s124*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s123*s14*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s124*s14*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s124*s23*z12*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2*z4)/
    (s123*s124*s23*z12*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*s24*z2*z4)/(s12*s123*s124*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(4*s124*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*s24*z2*z4)/(8*s12*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*s24*z2*z4)/(8*s12*s124*s14*s23*z12*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2*z4)/
    (s12*s123*s234*z12*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2*z4)/(s12*s124*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s23*s234*z12*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2*z4)/
    (s123*s23*s234*z12*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2*z4)/(s124*s23*s234*z12*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*s24*z2*z4)/
    (s12*s123*s23*s234*z12*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*s24*z2*z4)/(s12*s124*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24^2*z2*z4)/(8*s12*s124*s14*s23*z12*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24^2*z2*z4)/
    (s12*s124*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (4*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/
    (8*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/
    (8*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (4*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13^3*z2*z4)/
    (8*s12*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/
    (8*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13^2*s14*z2*z4)/
    (8*s12*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/
    (8*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/
    (8*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/
    (8*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13^2*s24*z2*z4)/
    (8*s12*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (4*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13^2*s24*z2*z4)/
    (8*s12*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s14*s24*z2*z4)/
    (8*s12*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24^2*z2*z4)/
    (8*s12*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (8*s12*s123*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (8*s12*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (8*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (8*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13^2*s34*z2*z4)/
    (8*s12*s123*s14*s23*z12*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z2*z4)/(s12*s123*s234*z12*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2*z4)/
    (s123*s23*s234*z12*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z2*z4)/(s124*s23*s234*z12*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*s34*z2*z4)/
    (s12*s123*s23*s234*z12*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*s34*z2*z4)/(s12*s124*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*s34*z2*z4)/(8*s12*s124*s14*s23*z12*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*s34*z2*z4)/
    (s12*s124*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*z4)/(4*s123*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s123*z34) + (CA*(CA - 2*CF)*s1234*z4)/
    (8*s134*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s134*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     z4)/(2*s123*s134*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s124*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s124*s14*z34) - 
   (CF*(-CA + 2*CF)*s12*s1234*s13*z4)/(4*s134^2*s14*z34) + 
   (CF*(-CA + 2*CF)*D*s12*s1234*s13*z4)/(8*s134^2*s14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(8*s134*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s134*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s134*s14*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z4)/
    (s124*s134*s14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13*z4)/(2*s124*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s123*s23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*
     s13*z4)/(s123*s134*s23*z34) - (CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (8*s134*s14*s23*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z4)/(8*s12*s124*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(16*s12*s124*z34) + 
   (CF*(-CA + 2*CF)*s1234*s23*z4)/(2*s134^2*z34) - 
   (CF*(-CA + 2*CF)*D*s1234*s23*z4)/(8*s134^2*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(4*s12*s134*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(16*s12*s134*z34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s124*s134*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*
     z4)/(2*s124*s134*z34) - (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s124*s14*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z4)/
    (s124*s134*s14*z34) - (CF*(-CA + 2*CF)*s12*s1234*z4)/(4*s234^2*z34) + 
   (CF*(-CA + 2*CF)*D*s12*s1234*z4)/(8*s234^2*z34) + 
   (CF*(-CA + 2*CF)*s1234*s14*z4)/(4*s234^2*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s234*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*
     z4)/(2*s123*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s134*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D*s12*s1234*z4)/(2*s134*s234*z34) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (8*s14*s234*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*
     s13*z4)/(s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z4)/
    (2*s124*s14*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z4)/(s134*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z4)/
    (2*s134*s14*s234*z34) - (CA*(CA - 2*CF)*s1234*s14*z4)/(8*s12*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z4)/
    (s134*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*
     s13*z4)/(s123*s23*s234*z34) + (CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (8*s14*s23*s234*z34) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z4)/(s124*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*z4)/(2*s124*s234*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s134*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*
     z4)/(2*s134*s234*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s23*z4)/(s124*s14*s234*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s12*s124*s14*z34) - (CF*(-CA + 2*CF)*s1234*s13*s24*z4)/
    (2*s134^2*s14*z34) + (CF*(-CA + 2*CF)*D*s1234*s13*s24*z4)/
    (8*s134^2*s14*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (4*s12*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s12*s134*s14*z34) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s124*s134*s14*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (2*s124*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s134*s14*s23*z34) - (CF*(-CA + 2*CF)*s1234*s13*s24*z4)/
    (4*s23*s234^2*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z4)/(s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (2*s124*s14*s234*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s134*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (2*s134*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z4)/(s134*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s123*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s123*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s124*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s124*s34*z34) - 
   (CF*(-CA + 2*CF)*s12*s1234*s13*z4)/(4*s134^2*s34*z34) + 
   (CF*(-CA + 2*CF)*D*s12*s1234*s13*z4)/(8*s134^2*s34*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(8*s134*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s134*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s134*s34*z34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z4)/
    (s123*s134*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13*z4)/(2*s123*s134*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z4)/
    (s124*s134*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13*z4)/(2*s124*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (4*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (16*s124*s14*s34*z34) - (CF*(-CA + 2*CF)*s12*s1234*s13^2*z4)/
    (4*s134^2*s14*s34*z34) + (CF*(-CA + 2*CF)*D*s12*s1234*s13^2*z4)/
    (8*s134^2*s14*s34*z34) + (CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (8*s134*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (8*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (16*s134*s14*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13^2*z4)/(s124*s134*s14*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13^2*z4)/
    (2*s124*s134*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z4)/
    (4*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z4)/(16*s123*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z4)/(8*s134*s34*z34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z4)/
    (s123*s134*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s14*z4)/(2*s123*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (8*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (8*s134*s23*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13^2*z4)/(s123*s134*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13^2*z4)/(8*s134*s14*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z4)/(8*s123*s23*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*s14*z4)/
    (s123*s134*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (4*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/(16*s123*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s124*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z4)/(8*s12*s124*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/(16*s12*s124*s34*z34) + 
   (CF*(-CA + 2*CF)*s1234*s13*s23*z4)/(2*s134^2*s34*z34) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*s23*z4)/(8*s134^2*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z4)/
    (s124*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (4*s12*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/
    (16*s12*s134*s34*z34) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z4)/(s124*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z4)/
    (2*s124*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (8*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/
    (16*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (8*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/
    (16*s134*s14*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*s23*z4)/(s124*s134*s14*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*s23*z4)/(8*s12*s124*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s23*z4)/(16*s12*s124*s34*z34) + 
   (CF*(-CA + 2*CF)*s1234*s14*s23*z4)/(2*s134^2*s34*z34) - 
   (CF*(-CA + 2*CF)*D*s1234*s14*s23*z4)/(8*s134^2*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s23*z4)/(4*s12*s134*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s23*z4)/(16*s12*s134*s34*z34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s23*z4)/
    (s124*s134*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s23*z4)/(2*s124*s134*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s23^2*z4)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23^2*z4)/
    (16*s12*s124*s34*z34) - (CA*(CA - 2*CF)*s1234*s23^2*z4)/
    (4*s12*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23^2*z4)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s23^2*z4)/
    (8*s124*s14*s34*z34) - (CF*(-CA + 2*CF)*s12*s1234*s23*z4)/
    (4*s234^2*s34*z34) + (CF*(-CA + 2*CF)*D*s12*s1234*s23*z4)/
    (8*s234^2*s34*z34) + (CF*(-CA + 2*CF)*s1234*s14*s23*z4)/
    (4*s234^2*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z4)/
    (s123*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z4)/(s134*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z4)/
    (2*s134*s234*s34*z34) + (CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (8*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z4)/(8*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z4)/(16*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z4)/(8*s12*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z4)/
    (s134*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s14*z4)/(2*s134*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z4)/
    (s134*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s14^2*z4)/
    (8*s12*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s14^2*z4)/(s134*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s234*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s23*z4)/(s123*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s23*z4)/
    (2*s123*s234*s34*z34) - (CA*(CA - 2*CF)*s12*s1234*s23*z4)/
    (8*s14*s234*s34*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*s23*z4)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*s23*z4)/
    (2*s124*s14*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13*s23*z4)/(s134*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*s23*z4)/
    (2*s134*s14*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*s23*z4)/
    (8*s12*s234*s34*z34) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23^2*z4)/(s124*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23^2*z4)/
    (2*s124*s234*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23^2*z4)/(s134*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23^2*z4)/
    (2*s134*s234*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s23^2*z4)/(s124*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s123*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s12*s124*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s12*s124*s34*z34) - 
   (CF*(-CA + 2*CF)*s1234*s13*s24*z4)/(2*s134^2*s34*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*s24*z4)/(8*s134^2*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(4*s12*s134*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s12*s134*s34*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z4)/
    (s124*s134*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24*z4)/(2*s124*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (4*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13^2*s24*z4)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*s24*z4)/
    (16*s12*s124*s14*s34*z34) - (CF*(-CA + 2*CF)*s1234*s13^2*s24*z4)/
    (2*s134^2*s14*s34*z34) + (CF*(-CA + 2*CF)*D*s1234*s13^2*s24*z4)/
    (8*s134^2*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s134*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13^2*s24*z4)/
    (4*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*s24*z4)/
    (16*s12*s134*s14*s34*z34) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*s24*z4)/(s124*s134*s14*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*s24*z4)/
    (2*s124*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s134*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13^2*s24*z4)/
    (8*s134*s14*s23*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s23*s24*z4)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/
    (16*s12*s124*s34*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z4)/
    (4*s12*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z4)/
    (8*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s23*s24*z4)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*s24*z4)/
    (16*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*s24*z4)/
    (4*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*s24*z4)/
    (16*s12*s134*s14*s34*z34) - (CF*(-CA + 2*CF)*s12*s1234*s24*z4)/
    (4*s234^2*s34*z34) + (CF*(-CA + 2*CF)*D*s12*s1234*s24*z4)/
    (8*s234^2*s34*z34) - (CF*(-CA + 2*CF)*s1234*s13*s24*z4)/
    (4*s234^2*s34*z34) + (CF*(-CA + 2*CF)*s1234*s14*s24*z4)/
    (4*s234^2*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z4)/
    (s123*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24*z4)/(2*s123*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s234*s34*z34) - (CA*(CA - 2*CF)*s12*s1234*s24*z4)/
    (8*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s14*s234*s34*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*s24*z4)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*s24*z4)/
    (2*s124*s14*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13*s24*z4)/(s134*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*s24*z4)/
    (2*s134*s14*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z4)/
    (8*s12*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*s24*z4)/(s123*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*s24*z4)/(8*s12*s23*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*s24*z4)/
    (s134*s23*s234*s34*z34) + (CA*(CA - 2*CF)*s12*s1234*s13*s24*z4)/
    (8*s14*s23*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*s24*z4)/
    (8*s12*s23*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*s24*z4)/(s134*s23*s234*s34*z34) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z4)/
    (s124*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*s24*z4)/(2*s124*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z4)/
    (s134*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*s24*z4)/(2*s134*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*s23*s24*z4)/
    (s124*s14*s234*s34*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*s24*z4)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*s24*z4)/
    (2*s124*s14*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*s24*z4)/(s134*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*s24*z4)/
    (2*s134*s14*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24^2*z4)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24^2*z4)/
    (16*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24^2*z4)/
    (4*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24^2*z4)/
    (16*s12*s134*s14*s34*z34) - (CF*(-CA + 2*CF)*s1234*s13*s24^2*z4)/
    (4*s23*s234^2*s34*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24^2*z4)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24^2*z4)/
    (2*s124*s14*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24^2*z4)/(s134*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24^2*z4)/
    (2*s134*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24^2*z4)/
    (8*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24^2*z4)/
    (8*s14*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s134*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (8*s134*s14*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (4*s134*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s12*s124*z14*z34) + (CF*(-CA + 2*CF)*s1234*s23*z1*z4)/
    (2*s134^2*z14*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (4*s12*s134*z14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1*z4)/(s124*s134*z14*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s124*s14*z14*z34) + (CF*(-CA + 2*CF)*s1234*s13*s23*z1*z4)/
    (2*s134^2*s14*z14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s23*z1*z4)/(s124*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(4*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/(8*s12*s134*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s14*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s14*s234*z14*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1*z4)/
    (s124*s234*z14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1*z4)/(s134*s234*z14*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s14*s234*z14*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s23*z1*z4)/(s124*s14*s234*z14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z1*z4)/
    (s134*s14*s234*z14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s23^2*z1*z4)/(s134*s14*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s134*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/(8*s12*s124*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/(8*s12*s134*s14*z14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1*z4)/
    (s124*s134*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s14*s234*z14*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*s24*z1*z4)/(s124*s14*s234*z14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1*z4)/
    (s134*s14*s234*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (8*s134*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (4*s134*s34*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*s13*z1*z4)/
    (8*s134*s14*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (8*s134*s14*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (8*s134*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s124*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (8*s12*s124*s34*z14*z34) + (CF*(-CA + 2*CF)*s1234*s13*s23*z1*z4)/
    (2*s134^2*s34*z14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s23*z1*z4)/(s124*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(4*s12*s134*s34*z14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z1*z4)/
    (s124*s134*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (8*s124*s14*s34*z14*z34) + (CF*(-CA + 2*CF)*s1234*s13^2*s23*z1*z4)/
    (4*s134^2*s14*s34*z14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13*s23*z1*z4)/(s124*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*s23*z1*z4)/(8*s12*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s23*z1*z4)/(8*s12*s124*s34*z14*z34) + 
   (CF*(-CA + 2*CF)*s1234*s14*s23*z1*z4)/(4*s134^2*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s23*z1*z4)/(8*s12*s134*s34*z14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*s23*z1*z4)/
    (s124*s134*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/
    (8*s12*s124*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/
    (8*s12*s134*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/
    (8*s124*s14*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*s23^2*z1*z4)/
    (8*s12*s134*s14*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*s23*z1*z4)/
    (8*s14*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (8*s14*s234*s34*z14*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23^2*z1*z4)/(s124*s234*s34*z14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23^2*z1*z4)/
    (s134*s234*s34*z14*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s23^2*z1*z4)/(s124*s14*s234*s34*z14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s23^2*z1*z4)/
    (s134*s14*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s134*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (8*s134*s14*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (4*s12*s124*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (8*s12*s134*s34*z14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z1*z4)/(s124*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/(8*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*s24*z1*z4)/(8*s12*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*s24*z1*z4)/(8*s12*s134*s14*s34*z14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s23*s24*z1*z4)/
    (s124*s134*s14*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s23^2*s24*z1*z4)/
    (8*s12*s124*s14*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*s24*z1*z4)/
    (8*s14*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (8*s14*s234*s34*z14*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z1*z4)/(s124*s234*s34*z14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1*z4)/
    (s134*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (8*s14*s234*s34*z14*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s23*s24*z1*z4)/(s124*s14*s234*s34*z14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s23*s24*z1*z4)/
    (s134*s14*s234*s34*z14*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23^2*s24*z1*z4)/(s124*s14*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24^2*z1*z4)/(8*s12*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/(8*s14*s234*s34*z14*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24^2*z1*z4)/
    (s124*s14*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s134*s14*z14*z34) + (CF*(-CA + 2*CF)*s1234*s23*s34*z1*z4)/
    (4*s134^2*s14*z14*z34) - (CA*(CA - 2*CF)*s1234*s23*s34*z1*z4)/
    (8*s12*s134*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s14*s234*z14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*s34*z1*z4)/(s134*s14*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s124*z14*z34) - 
   (CF*(-CA + 2*CF)*s1234*s13*z2*z4)/(2*s134^2*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s12*s134*z14*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2*z4)/
    (s124*s134*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s124*s14*z14*z34) - (CF*(-CA + 2*CF)*s1234*s13^2*z2*z4)/
    (2*s134^2*s14*z14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z2*z4)/(s124*s134*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(4*s12*s134*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s134*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/(8*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(4*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/(8*s12*s134*s14*z14*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2*z4)/
    (s124*s234*z14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2*z4)/(s134*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s14*s234*z14*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z2*z4)/(s124*s14*s234*z14*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z2*z4)/
    (s134*s14*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s23*s234*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/
    (8*s14*s23*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s14*s23*s234*z14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z2*z4)/(s134*s14*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s124*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s134*s14*z14*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2*z4)/
    (s124*s134*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s134*s14*s23*z14*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2*z4)/(s124*s14*s234*z14*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2*z4)/
    (s134*s14*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (4*s14*s23*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s124*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s12*s124*s34*z14*z34) - (CF*(-CA + 2*CF)*s1234*s13^2*z2*z4)/
    (2*s134^2*s34*z14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z2*z4)/(s124*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(4*s12*s134*s34*z14*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z2*z4)/
    (s124*s134*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s124*s14*s34*z14*z34) - (CF*(-CA + 2*CF)*s1234*s13^3*z2*z4)/
    (4*s134^2*s14*s34*z14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13^2*z2*z4)/(s124*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^3*z2*z4)/(8*s12*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/(8*s12*s124*s34*z14*z34) - 
   (CF*(-CA + 2*CF)*s1234*s13*s14*z2*z4)/(4*s134^2*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/(8*s12*s134*s34*z14*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2*z4)/
    (s124*s134*s34*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/
    (8*s134*s23*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (4*s134*s23*s34*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*s13^2*z2*z4)/
    (8*s134*s14*s23*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13^3*z2*z4)/
    (8*s134*s14*s23*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/
    (8*s134*s23*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/
    (8*s12*s124*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/
    (8*s12*s134*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/
    (8*s124*s14*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13^2*s23*z2*z4)/
    (8*s12*s134*s14*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/
    (8*s14*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s14*s234*s34*z14*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z2*z4)/(s124*s234*s34*z14*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z2*z4)/
    (s134*s234*s34*z14*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*s23*z2*z4)/(s124*s14*s234*s34*z14*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*s23*z2*z4)/
    (s134*s14*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (4*s12*s124*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s12*s134*s34*z14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2*z4)/(s124*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*s24*z2*z4)/(8*s12*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*s24*z2*z4)/(8*s12*s134*s14*s34*z14*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*s24*z2*z4)/
    (s124*s134*s14*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s134*s23*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13^2*s24*z2*z4)/
    (8*s134*s14*s23*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*s24*z2*z4)/
    (8*s12*s124*s14*s34*z14*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2*z4)/
    (s124*s234*s34*z14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2*z4)/(s134*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s14*s234*s34*z14*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*s24*z2*z4)/
    (s124*s14*s234*s34*z14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*s24*z2*z4)/(s134*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s23*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*s24*z2*z4)/(8*s14*s23*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*s24*z2*z4)/(8*s14*s23*s234*s34*z14*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*s23*s24*z2*z4)/
    (s124*s14*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*s24^2*z2*z4)/
    (8*s12*s124*s14*s34*z14*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24^2*z2*z4)/
    (s124*s14*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*s24^2*z2*z4)/
    (8*s14*s23*s234*s34*z14*z34) - (CF*(-CA + 2*CF)*s1234*s13*s34*z2*z4)/
    (4*s134^2*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (8*s12*s134*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (8*s134*s14*s23*z14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z2*z4)/(s134*s14*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/(8*s14*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s124*z14*z34) + 
   (CF*(-CA + 2*CF)*s12*s1234*z3*z4)/(2*s134^2*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s134*z14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z3*z4)/
    (s124*s134*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (8*s124*s14*z14*z34) + (CF*(-CA + 2*CF)*s12*s1234*s13*z3*z4)/
    (2*s134^2*s14*z14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s12^2*s1234*z3*z4)/(s124*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(4*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s134*s23*z14*z34) - 
   (CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/(8*s134*s14*s23*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(4*s134*s14*s23*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s134*s14*z14*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3*z4)/
    (s124*s234*z14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3*z4)/(s134*s234*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (8*s14*s234*z14*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12^2*
     s1234*z3*z4)/(s124*s14*s234*z14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z3*z4)/
    (s134*s14*s234*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (8*s23*s234*z14*z34) + (CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/
    (8*s14*s23*s234*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/
    (8*s14*s23*s234*z14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s12*s1234*s23*z3*z4)/(s134*s14*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s124*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s134*s14*z14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3*z4)/
    (s124*s134*s14*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/
    (8*s134*s14*s23*z14*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3*z4)/(s124*s14*s234*z14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3*z4)/
    (s134*s14*s234*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/
    (4*s14*s23*s234*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (8*s124*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s124*s34*z14*z34) + (CF*(-CA + 2*CF)*s12*s1234*s13*z3*z4)/
    (2*s134^2*s34*z14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s12^2*s1234*z3*z4)/(s124*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(4*s134*s34*z14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z3*z4)/
    (s124*s134*s34*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/
    (8*s124*s14*s34*z14*z34) + (CF*(-CA + 2*CF)*s12*s1234*s13^2*z3*z4)/
    (4*s134^2*s14*s34*z14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s12^2*s1234*s13*z3*z4)/(s124*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(8*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s124*s34*z14*z34) + 
   (CF*(-CA + 2*CF)*s12*s1234*s14*z3*z4)/(4*s134^2*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s134*s34*z14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z3*z4)/
    (s124*s134*s34*z14*z34) - (CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/
    (8*s134*s23*s34*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/
    (4*s134*s23*s34*z14*z34) - (CA*(CA - 2*CF)*s12^2*s1234*s13*z3*z4)/
    (8*s134*s14*s23*s34*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*s13^2*z3*z4)/
    (8*s134*s14*s23*s34*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*s14*z3*z4)/
    (8*s134*s23*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s124*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s134*s34*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*s23*z3*z4)/
    (8*s124*s14*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z3*z4)/
    (8*s134*s14*s34*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (8*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/
    (8*s14*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/
    (8*s14*s234*s34*z14*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s23*z3*z4)/(s124*s234*s34*z14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z3*z4)/
    (s134*s234*s34*z14*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12^2*s1234*s23*z3*z4)/(s124*s14*s234*s34*z14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*s23*z3*z4)/
    (s134*s14*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (4*s124*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s134*s34*z14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3*z4)/(s124*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(8*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(8*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(8*s134*s14*s34*z14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*s24*z3*z4)/
    (s124*s134*s14*s34*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/
    (8*s134*s23*s34*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*s13*s24*z3*z4)/
    (8*s134*s14*s23*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z3*z4)/
    (8*s124*s14*s34*z14*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3*z4)/(s124*s234*s34*z14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3*z4)/
    (s134*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/
    (8*s14*s234*s34*z14*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12^2*s1234*s24*z3*z4)/(s124*s14*s234*s34*z14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*s24*z3*z4)/
    (s134*s14*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/
    (8*s23*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s12^2*s1234*s24*z3*z4)/
    (8*s14*s23*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*s13*s24*z3*z4)/
    (8*s14*s23*s234*s34*z14*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s23*s24*z3*z4)/(s124*s14*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(8*s124*s14*s34*z14*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24^2*z3*z4)/
    (s124*s14*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*s24^2*z3*z4)/
    (8*s14*s23*s234*s34*z14*z34) + (CF*(-CA + 2*CF)*s12*s1234*s34*z3*z4)/
    (4*s134^2*s14*z14*z34) - (CA*(CA - 2*CF)*s1234*s34*z3*z4)/
    (8*s134*s14*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*s34*z3*z4)/
    (8*s134*s14*s23*z14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s12*s1234*s34*z3*z4)/(s134*s14*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s34*z3*z4)/(8*s14*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s123*z23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3*z4)/
    (s123*s134*z23*z34) + (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (8*s134*s14*z23*z34) + (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (8*s123*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s123*s23*z23*z34) + (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (8*s134*s23*z23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12^2*
     s1234*z3*z4)/(s123*s134*s23*z23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z3*z4)/
    (s123*s134*s23*z23*z34) + (CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/
    (8*s134*s14*s23*z23*z34) + (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/
    (4*s134*s14*s23*z23*z34) + (CF*(-CA + 2*CF)*s12*s1234*z3*z4)/
    (2*s234^2*z23*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s234*z23*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z3*z4)/
    (s123*s234*z23*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3*z4)/(s134*s234*z23*z34) - (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (4*s14*s234*z23*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12^2*
     s1234*z3*z4)/(s123*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s23*s234*z23*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z3*z4)/(s123*s23*s234*z23*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z3*z4)/
    (s134*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/
    (8*s14*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/
    (8*s14*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (8*s23*s234*z23*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s14*z3*z4)/(s134*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(8*s134*s14*s23*z23*z34) + 
   (CF*(-CA + 2*CF)*s12*s1234*s24*z3*z4)/(2*s23*s234^2*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(4*s23*s234*z23*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3*z4)/
    (s134*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/
    (4*s14*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (8*s123*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (4*s123*s34*z23*z34) + (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (8*s134*s34*z23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z3*z4)/(s123*s134*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(8*s134*s14*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s123*s34*z23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z3*z4)/
    (s123*s134*s34*z23*z34) + (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/
    (8*s123*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/
    (8*s123*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/
    (8*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/
    (8*s134*s23*s34*z23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12^2*s1234*s13*z3*z4)/(s123*s134*s23*s34*z23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13^2*z3*z4)/
    (s123*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s12^2*s1234*s13*z3*z4)/
    (8*s134*s14*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s12*s1234*s13^2*z3*z4)/
    (8*s134*s14*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s12*s1234*s14*z3*z4)/
    (8*s123*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z3*z4)/
    (8*s123*s23*s34*z23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12^2*s1234*s14*z3*z4)/(s123*s134*s23*s34*z23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*s14*z3*z4)/
    (s123*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s123*s34*z23*z34) + (CF*(-CA + 2*CF)*s12*s1234*s23*z3*z4)/
    (4*s234^2*s34*z23*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s12^2*s1234*z3*z4)/(s123*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s234*s34*z23*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z3*z4)/
    (s123*s234*s34*z23*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z3*z4)/(s134*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/(8*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(8*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s234*s34*z23*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z3*z4)/
    (s134*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s234*s34*z23*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s23*z3*z4)/(s123*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s23*z3*z4)/(8*s14*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(8*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(8*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(8*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*s24*z3*z4)/(8*s134*s14*s23*s34*z23*z34) + 
   (CF*(-CA + 2*CF)*s12*s1234*s24*z3*z4)/(2*s234^2*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(4*s234*s34*z23*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3*z4)/
    (s123*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/
    (4*s14*s234*s34*z23*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s12^2*s1234*s24*z3*z4)/(s123*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(8*s23*s234*s34*z23*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*s24*z3*z4)/
    (s123*s23*s234*s34*z23*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13*s24*z3*z4)/(s134*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12^2*s1234*s24*z3*z4)/(8*s14*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*s24*z3*z4)/(8*s14*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3*z4)/(8*s23*s234*s34*z23*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s14*s24*z3*z4)/
    (s134*s23*s234*s34*z23*z34) + (CF*(-CA + 2*CF)*s12*s1234*s24^2*z3*z4)/
    (4*s23*s234^2*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (8*s23*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s12*s1234*s24^2*z3*z4)/
    (8*s14*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s12*s1234*s34*z3*z4)/
    (8*s134*s14*s23*z23*z34) + (CF*(-CA + 2*CF)*s12*s1234*s34*z3*z4)/
    (4*s23*s234^2*z23*z34) - (CA*(CA - 2*CF)*s1234*s34*z3*z4)/
    (8*s23*s234*z23*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s34*z3*z4)/(s134*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s34*z3*z4)/(8*s14*s23*s234*z23*z34)) + 
 k1k1*((2*CA*(CA - 2*CF)*s1234)/(s12*s123) - (3*CA*(CA - 2*CF)*D*s1234)/
    (4*s12*s123) + (CA*(CA - 2*CF)*D^2*s1234)/(16*s12*s123) - 
   (CA*(CA - 2*CF)*s1234)/(s12*s124) + (CA*(CA - 2*CF)*D*s1234)/
    (2*s12*s124) - (CA*(CA - 2*CF)*D^2*s1234)/(16*s12*s124) + 
   (16*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234)/(s123*s134) - 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234)/(s123*s134) - 
   (CA*(CA - 2*CF)*s1234)/(s124*s14) + (CA*(CA - 2*CF)*D*s1234)/
    (2*s124*s14) - (CA*(CA - 2*CF)*D^2*s1234)/(16*s124*s14) + 
   (2*CA*(CA - 2*CF)*s1234)/(s134*s14) - (3*CA*(CA - 2*CF)*D*s1234)/
    (4*s134*s14) + (CA*(CA - 2*CF)*D^2*s1234)/(16*s134*s14) + 
   (CA*(CA - 2*CF)*s1234)/(2*s123*s23) - (CA*(CA - 2*CF)*D*s1234)/
    (8*s123*s23) - (16*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/
    (s12*s124*s134) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23)/(s12*s124*s134) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s23)/(s12*s124*s134) + (3*CA*(CA - 2*CF)*s1234*s23)/
    (2*s12*s134*s14) - (3*CA*(CA - 2*CF)*D*s1234*s23)/(8*s12*s134*s14) + 
   (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s124*s134*s14) - 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s124*s134*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(s124*s134*s14) + (3*CA*(CA - 2*CF)*s1234)/(2*s12*s234) - 
   (5*CA*(CA - 2*CF)*D*s1234)/(8*s12*s234) + (CA*(CA - 2*CF)*D^2*s1234)/
    (16*s12*s234) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s123*s234) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s123*s234) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s134*s234) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s134*s234) + (3*CA*(CA - 2*CF)*s1234)/(2*s14*s234) - 
   (5*CA*(CA - 2*CF)*D*s1234)/(8*s14*s234) + (CA*(CA - 2*CF)*D^2*s1234)/
    (16*s14*s234) + (24*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23)/
    (s124*s14*s234) - (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23)/(s124*s14*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s23)/(s124*s14*s234) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s134*s14*s234) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s134*s14*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/
    (s12*s123*s124) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24)/(s12*s123*s124) - (3*CA*(CA - 2*CF)*s1234*s24)/(2*s12*s123*s14) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(2*s12*s123*s14) - 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(16*s12*s123*s14) - 
   (7*CA*(CA - 2*CF)*s1234*s24)/(2*s12*s124*s14) + 
   (5*CA*(CA - 2*CF)*D*s1234*s24)/(4*s12*s124*s14) - 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(8*s12*s124*s14) - 
   (3*CA*(CA - 2*CF)*s1234*s24)/(2*s12*s134*s14) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(2*s12*s134*s14) - 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(16*s12*s134*s14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s124*s134*s14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s124*s134*s14) - (20*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*
     s24)/(s12*s123*s134*s14) + (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*s24)/(s12*s123*s134*s14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24)/
    (s12*s123*s134*s14) - (5*CA*(CA - 2*CF)*s1234*s13*s24)/
    (4*s12*s123*s14*s23) + (5*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s12*s123*s14*s23) - (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (16*s12*s123*s14*s23) + (CA*(CA - 2*CF)*D*s1234*s24)/(8*s134*s14*s23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24)/
    (s12*s123*s124*s14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s24)/(s12*s123*s124*s14) - 
   (24*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24)/
    (s12*s123*s134*s14) + (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s24)/(s12*s123*s134*s14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s23*s24)/
    (s12*s123*s134*s14) - (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*s24)/(s12*s124*s134*s14) + 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24)/
    (s12*s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s23*s24)/(s12*s124*s134*s14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s12*s123*s234) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s12*s124*s234) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s12*s124*s234) - (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24)/
    (s124*s14*s234) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24)/(s124*s14*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s134*s14*s234) - (3*CA*(CA - 2*CF)*s1234*s24)/
    (4*s12*s23*s234) + (CA*(CA - 2*CF)*D*s1234*s24)/(8*s12*s23*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s134*s23*s234) - 
   (CA*(CA - 2*CF)*s1234*s24)/(4*s14*s23*s234) + (CA*(CA - 2*CF)*D*s1234*s24)/
    (8*s14*s23*s234) + (CA*(CA - 2*CF)*s1234)/(2*s134*s34) - 
   (CA*(CA - 2*CF)*D*s1234)/(8*s134*s34) - (CA*(CA - 2*CF)*s1234*s23)/
    (2*s12*s124*s34) + (CA*(CA - 2*CF)*D*s1234*s23)/(8*s12*s124*s34) + 
   (CA*(CA - 2*CF)*s1234*s23)/(s12*s134*s34) - (CA*(CA - 2*CF)*D*s1234*s23)/
    (2*s12*s134*s34) + (CA*(CA - 2*CF)*D^2*s1234*s23)/(16*s12*s134*s34) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s124*s134*s34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s124*s134*s34) + (CA*(CA - 2*CF)*D*s1234*s24)/(8*s12*s123*s34) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s24)/(4*s12*s134*s14*s34) + 
   (5*CA*(CA - 2*CF)*D*s1234*s13*s24)/(8*s12*s134*s14*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/(16*s12*s134*s14*s34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24)/(4*s12*s123*s23*s34) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s123*s134*s23*s34) + (CA*(CA - 2*CF)*s1234*s13*s24)/
    (4*s134*s14*s23*s34) - (3*CA*(CA - 2*CF)*s1234*s23*s24)/
    (4*s12*s124*s14*s34) + (CA*(CA - 2*CF)*D*s1234*s23*s24)/
    (4*s12*s124*s14*s34) - (CA*(CA - 2*CF)*s1234*s24)/(4*s12*s234*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(8*s12*s234*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s234*s34) - 
   (3*CA*(CA - 2*CF)*s1234*s24)/(4*s14*s234*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(8*s14*s234*s34) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24)/
    (s124*s14*s234*s34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s24)/(s124*s14*s234*s34) + 
   (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s12*s123*s124) - 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s12*s123*s124) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(s12*s123*s124) + (3*CA*(CA - 2*CF)*s1234*s34)/(2*s12*s123*s14) - 
   (3*CA*(CA - 2*CF)*D*s1234*s34)/(8*s12*s123*s14) - 
   (16*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s124*s14) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s123*s124*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(s123*s124*s14) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34)/(s123*s124*s23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s123*s124*s23) + (CA*(CA - 2*CF)*s1234*s34)/(s123*s14*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s34)/(2*s123*s14*s23) + 
   (CA*(CA - 2*CF)*D^2*s1234*s34)/(16*s123*s14*s23) - 
   (CA*(CA - 2*CF)*s1234*s34)/(2*s124*s14*s23) + (CA*(CA - 2*CF)*D*s1234*s34)/
    (8*s124*s14*s23) + (16*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*s34)/(s12*s123*s134*s14) - 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s34)/
    (s12*s123*s134*s14) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34)/(s12*s123*s234) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s34)/(s12*s123*s234) + 
   (24*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s12*s124*s234) - 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s12*s124*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(s12*s124*s234) - (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34)/(s12*s123*s124*s14) + 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34)/
    (s12*s123*s124*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s24*s34)/(s12*s123*s124*s14) - 
   (24*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34)/
    (s12*s123*s134*s14) + (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24*s34)/(s12*s123*s134*s14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s24*s34)/
    (s12*s123*s134*s14) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*s34)/(s12*s124*s134*s14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34)/
    (s12*s124*s134*s14) - (3*CA*(CA - 2*CF)*s1234*s24*s34)/
    (4*s12*s124*s14*s23) + (CA*(CA - 2*CF)*D*s1234*s24*s34)/
    (4*s12*s124*s14*s23) - (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*s34)/(s12*s124*s23*s234) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34)/
    (s12*s124*s23*s234) - (CA*(CA - 2*CF)*s1234*z1)/(2*s12*s123*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(8*s12*s123*z12) - 
   (CA*(CA - 2*CF)*s1234*z1)/(2*s12*s234*z12) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (8*s12*s234*z12) + (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s12*s124*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s12*s23*s234*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(2*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(8*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(4*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1)/(2*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(8*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z1)/(2*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (8*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*z1)/(2*s14*s234*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(8*s14*s234*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s12*s124*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(4*s134*s14*s23*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(2*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(8*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1)/(2*s12*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/(8*s12*s124*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z2)/(8*s12*s123*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s123*z12) - 
   (CA*(CA - 2*CF)*s1234*z2)/(8*s12*s124*z12) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s12*s124*z12) - (CA*(CA - 2*CF)*s1234*z2)/(2*s12*s134*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s134*z12) + 
   (CA*(CA - 2*CF)*s1234*z2)/(8*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s124*s14*z12) - (CA*(CA - 2*CF)*s1234*z2)/(8*s134*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s134*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s134*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(8*s12*s134*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*z2)/(8*s123*s23*z12) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s123*s23*z12) - (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s123*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s123*s23*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z2)/(8*s12*s134*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2)/(8*s12*s134*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s12*s234*z12) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s12*s234*z12) + (CA*(CA - 2*CF)*s1234*z2)/(8*s23*s234*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s23*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s23*s234*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s23*s234*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s23*s234*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z2)/(8*s12*s124*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s124*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s134*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(8*s12*s23*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(8*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(4*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(2*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2)/(8*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(4*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(2*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(8*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(4*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(2*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(8*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z2)/(4*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(4*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(8*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(2*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(8*s12*s23*s234*s34*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s12*s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(s12*s124*s134*z12) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s12*s123*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (s123*s134*s14*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z2)/(s124*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (s124*s134*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s34*z2)/(s12*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z2)/
    (s12*s123*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s12*s124*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s12*s124*s23*z12) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s123*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s124*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (8*s12*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/
    (16*s12*s123*s14*s23*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s34*z2)/(s12*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s34*z2)/
    (s12*s123*s134*s14*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z2)/(s12*s124*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z2)/
    (s12*s124*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*s24*s34*z2)/
    (8*s12*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/
    (16*s12*s124*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*z2)/(8*s12*s124*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s124*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z2)/(8*s12*s134*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s134*z14) + 
   (3*CA*(CA - 2*CF)*s1234*z2)/(8*s124*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s124*s14*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s134*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s134*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*z2)/(8*s134*s23*z14) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s134*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s134*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s134*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*z2)/(8*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s23*s234*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z2)/(8*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s14*s23*s234*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s14*s23*s234*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z2)/(8*s12*s124*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s124*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(8*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s134*s23*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s234*s34*z14) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s12*s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(s12*s123*s124*z14) - 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(s12*s123*s134*z14) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(s123*s124*s14*z14) - (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s12*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s12*s134*s14*z14) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z2)/(s12*s123*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z2)/
    (s12*s123*s134*s14*z14) - (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s12*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s12*s123*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s12*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s12*s124*s23*z14) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (2*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s124*s14*s23*z14) - (5*CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (8*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/
    (8*s12*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s134*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s134*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (4*s14*s23*s234*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s14*s23*s234*z14) + (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z2)/(s12*s123*s124*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z2)/
    (s12*s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z2)/
    (2*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/
    (16*s12*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s24*s34*z2)/
    (8*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/
    (16*s12*s124*s14*s23*z14) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34^2*z2)/(s12*s123*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34^2*z2)/
    (s12*s123*s134*s14*z14) - (5*CA*(CA - 2*CF)*s1234*s34^2*z2)/
    (8*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34^2*z2)/
    (8*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s124*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s134*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (8*s12*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (8*s12*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s12*s123*s14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (2*s12*s123*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (8*s12*s123*s14*z23) - (3*CA*(CA - 2*CF)*s1234*z2)/(8*s12*s123*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s123*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s134*z23) + 
   (CA*(CA - 2*CF)*s1234*z2)/(8*s134*s14*z23) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s134*s14*z23) - (3*CA*(CA - 2*CF)*s1234*z2)/(8*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s123*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s123*s23*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z2)/
    (s123*s134*s23*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s123*s134*s23*z23) - (CA*(CA - 2*CF)*s12*s1234*z2)/
    (8*s134*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s134*s14*s23*z23) + (3*CA*(CA - 2*CF)*s1234*z2)/(8*s12*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s234*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s134*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*z2)/(8*s14*s234*z23) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s14*s234*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (4*s12*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s134*s14*s23*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s12*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s12*s23*s234*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s134*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s14*s23*s234*z23) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s12*s123*s124*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s12*s123*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s12*s123*s14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s12*s124*s14*z23) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s123*s124*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (s123*s124*s23*z23) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s34*z2)/(s12*s123*s124*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z2)/
    (s12*s123*s124*s23*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (4*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s124*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (8*s12*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/
    (16*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (4*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/
    (16*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s134*s14*s23*z23) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s12*s124*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (s12*s124*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s12*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s12*s23*s234*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s134*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s14*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s24*s34*z2)/
    (8*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/
    (8*s12*s124*s14*s23*z23) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z2)/(s12*s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z2)/
    (s12*s124*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s34^2*z2)/
    (8*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s34^2*z2)/
    (8*s12*s124*s14*s23*z23) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34^2*z2)/(s12*s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34^2*z2)/
    (s12*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s12*s123*z12*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s123*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (4*s12*s123*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s12*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (4*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s12*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s134*s14*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s134*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (2*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (8*s12*s124*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (4*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s134*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (4*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34^2*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/
    (4*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34^2*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s12*s123*z12*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/(8*s123*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s12*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z2^2)/(8*s12*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(8*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(8*s12*s123*s14*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(8*s12*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(8*s123*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(8*s124*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/(8*s12*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(8*s12*s23*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z2^2)/(8*s12*s124*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z2^2)/(4*s14*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z2^2)/(8*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(8*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(2*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/(8*s12*s123*s14*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z2^2)/(4*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/(8*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(4*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/(16*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z2^2)/(8*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/(16*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/(4*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2^2)/(16*s12*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2^2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(8*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z2^2)/(4*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z2^2)/(16*s12*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*s34*z2^2)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z2^2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34^2*z2^2)/(4*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34^2*z2^2)/(16*s12*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34^2*z2^2)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34^2*z2^2)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3)/(2*s123*s23*z12) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (8*s123*s23*z12) + (CA*(CA - 2*CF)*s1234*z3)/(2*s23*s234*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(8*s23*s234*z12) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s12*s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(s12*s124*s134*z12) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s123*s14*z12) + (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (s123*s134*s14*z12) - (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s124*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24*z3)/(s124*s134*s14*z12) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z3)/(s12*s123*s134*s14*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s12*s124*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s12*s124*s23*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s123*s14*s23*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s124*s14*s23*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s12*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(16*s12*s123*s14*s23*z12) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z3)/
    (s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s24*z3)/(s12*s123*s134*s14*z12) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z3)/
    (s12*s124*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2*z3)/(s12*s124*s134*s14*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/(8*s12*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(16*s12*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*z3)/(2*s124*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (8*s124*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s12*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(2*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s134*s14*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(8*s12*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(16*s12*s123*s23*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s23*s24*z3)/(8*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z3)/(8*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s12*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(4*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3)/(8*s12*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/(8*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(16*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(2*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(8*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z3)/(2*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (8*s124*s23*z14) - (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*
     z3)/(s12*s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24*z3)/(s12*s123*s124*z14) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s12*s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(s12*s123*s134*z14) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s124*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(s123*s124*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s134*s14*z14) + (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s12*s123*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z3)/
    (s12*s123*s134*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s123*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s124*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (2*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s124*s14*s23*z14) + (5*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (8*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s134*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s134*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (4*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s14*s23*s234*z14) - (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z3)/(s12*s123*s124*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z3)/
    (s12*s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (2*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (16*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (8*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (16*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z3)/(2*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(8*s134*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*z3)/(2*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (8*s234*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s12*s124*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s12*s124*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s12*s134*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s124*s14*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s12*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(16*s12*s134*s14*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s134*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s134*s23*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s134*s14*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(16*s134*s14*s23*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3)/(8*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(4*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(16*s14*s23*s234*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/(8*s12*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(16*s12*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(8*s14*s23*s234*s34*z14) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z3)/
    (s12*s123*s134*s14*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24*s34*z3)/(s12*s123*s134*s14*z14) + 
   (5*CA*(CA - 2*CF)*s1234*s24*s34*z3)/(8*s12*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z3)/(8*s12*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s123*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s134*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s124*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s123*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s124*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s12*s123*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(8*s12*s124*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s124*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s134*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s124*s14*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s12*s134*s14*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(8*s12*s124*s14*s34*z12*z14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s12*s123*s124*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s123*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s123*s14*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s124*s14*z23) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s124*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (s123*s124*s23*z23) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z3)/(s12*s123*s124*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z3)/
    (s12*s123*s124*s23*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (4*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s134*s14*s23*z23) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s12*s124*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (s12*s124*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s23*s234*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s134*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s14*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (8*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (8*s12*s124*s14*s23*z23) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z3)/(s12*s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z3)/
    (s12*s124*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s123*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s134*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s134*s14*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s123*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s12*s123*s23*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s24*z3)/(s123*s134*s23*s34*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s123*s134*s23*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (8*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s134*s14*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s234*s34*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s134*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (16*s134*s14*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (8*s12*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (16*s12*s23*s234*s34*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z3)/(s134*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(8*s14*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(16*s14*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3)/(2*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z3)/(8*s123*s14*s23*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*s34*z3)/(8*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z3)/(8*s12*s124*s14*s23*z23) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z3)/
    (s12*s124*s23*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24*s34*z3)/(s12*s124*s23*s234*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s12*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(8*s12*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(2*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(8*s12*s124*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(16*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(16*s124*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/(16*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(4*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s134*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(8*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/(16*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(4*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(8*s134*s14*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/(8*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z3)/(16*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/(4*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z3)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s12*s123*s14*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s12*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s123*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s124*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(8*s12*s123*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s12*s23*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/(8*s12*s124*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s12*s123*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s123*s23*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(8*s12*s123*s23*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s12*s234*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/(8*s12*s23*s234*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3)/(4*s12*s123*s14*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3)/(4*s12*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3)/(4*s123*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3)/(4*s124*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2*z3)/(4*s12*s123*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z2*z3)/(4*s12*s124*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(s12*s124*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(4*s12*s124*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z3)/(4*s134*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(8*s134*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(2*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(8*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(2*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(8*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s134*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/(16*s134*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(16*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(2*s14*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(8*s14*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(4*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(4*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(2*s12*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(8*s12*s123*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/(4*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(8*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(2*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(8*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(4*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(16*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(4*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/(16*s12*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(8*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/(16*s12*s124*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(16*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/(4*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/(16*s12*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/(8*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(2*s134*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(4*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(4*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(4*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(4*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z2*z3)/(8*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(8*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3)/(4*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3)/(2*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/(8*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3)/(8*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2*z3)/(8*s12*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/(16*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3)/(4*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z2*z3)/(8*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z2*z3)/(16*s12*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*s34*z2*z3)/(8*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z2*z3)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34^2*z2*z3)/(8*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(4*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/(8*s12*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(16*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(4*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/(8*s12*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/(4*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(8*s134*s14*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/(8*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3^2)/(16*s134*s14*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/(8*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(2*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(8*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/(4*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3^2)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/(4*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/(16*s14*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3^2)/(8*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/(4*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z3^2)/(8*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(2*s12*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(8*s12*s134*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s12*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s123*z34) - 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s12*s124*z34) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s12*s124*z34) - (3*CA*(CA - 2*CF)*s1234*z2)/(8*s12*s134*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s134*z34) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s124*s134*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(s124*s134*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s124*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s124*s14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s134*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s134*s14*z34) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s124*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s124*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s123*s23*z34) + (3*CA*(CA - 2*CF)*s1234*z2)/(8*s134*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s134*s23*z34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s134*s23*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*s1234*s14*z2)/
    (8*s12*s123*s23*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s123*s134*s23*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z2)/
    (8*s12*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z2)/
    (8*s12*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*z2)/(8*s12*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s234*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s234*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2)/(8*s14*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s14*s234*z34) - 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z2)/
    (s124*s14*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z2)/(s124*s14*s234*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s12*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (8*s12*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s12*s123*s23*z34) - (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s124*s14*s234*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z2)/
    (s124*s14*s234*z34) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s12*s23*s234*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s123*s23*s234*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s12*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s12*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s12*s134*s14*z34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s124*s134*s14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (s124*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s12*s123*s23*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s123*s134*s23*z34) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s134*s14*s23*z34) - (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s124*s14*s234*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (s124*s14*s234*z34) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s12*s23*s234*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s123*s23*s234*z34) - (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s123*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s12*s124*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s12*s124*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s134*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s12*s134*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (4*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (4*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (4*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (2*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (8*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (4*s12*s123*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (16*s12*s123*z12*z34) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s12*s124*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (4*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (4*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2^2)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s12*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (16*s12*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (4*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (4*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (2*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (8*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (4*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s134*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s134*s14*z34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s124*s134*s14*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (s124*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s123*s23*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s134*s23*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s134*s14*s23*z34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (s124*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s23*s234*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s23*s234*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s23*z3)/
    (2*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z3)/
    (8*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s123*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (4*s12*s124*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s124*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s134*s34*z34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s124*s134*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (s124*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s12*s134*s14*s34*z34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s124*s134*s14*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z3)/
    (s124*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s123*s23*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s134*s23*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s123*s134*s23*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s134*s14*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(16*s134*s14*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3)/(8*s12*s123*s23*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z3)/
    (s123*s134*s23*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*s24*z3)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z3)/
    (8*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s14*s234*s34*z34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z3)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z3)/
    (s124*s14*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (16*s12*s123*s23*s34*z34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z3)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z3)/
    (s124*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (8*s12*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (16*s12*s23*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z3)/(s123*s23*s234*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/(8*s14*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(16*s14*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(2*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(8*s12*s124*s14*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(8*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(16*s12*s124*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(16*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(4*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/(16*s12*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/(4*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z3)/(16*s12*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z3)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(4*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/(16*s12*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(8*s12*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z3)/(8*s12*s123*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(16*s12*s123*z12*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z2*z3)/(8*s12*s134*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s12*s134*s14*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(16*s12*s123*s23*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(16*s12*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3)/(8*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s12*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(16*s12*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(4*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(16*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(4*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(16*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(4*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s12*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(16*s12*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(16*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(4*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(4*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3)/(4*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(4*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(4*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(4*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/(4*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z2*z3)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z2*z3)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(8*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/(8*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z2*z3)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/(4*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/(8*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3)/(4*s12*s134*s14*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/(4*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/(8*s12*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3)/(2*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/(8*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s12*s123*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s123*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s12*s123*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s134*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s134*s14*s23*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s12*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s14*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s12*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s14*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3)/(8*s134*s14*s23*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3)/(8*s12*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3)/(8*s14*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(4*s12*s134*s14*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/(4*s12*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(8*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(2*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(8*s12*s23*s234*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/(8*s12*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/(16*s12*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3^2)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z3^2)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(4*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/(4*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/(4*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3^2)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/(8*s12*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3^2)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/(4*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s12*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/(8*s12*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s134*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/(8*s134*s14*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s12*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s14*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/(8*s12*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/(8*s14*s23*s234*s34*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z4)/(8*s12*s124*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s12*s124*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(8*s123*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s123*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s124*s14*z12) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s12*s123*s14*z12) + (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s12*s124*s134*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (s12*s124*s134*z12) - (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (8*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s12*s123*s14*z12) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (s123*s134*s14*z12) + (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z4)/(s124*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (s124*s134*s14*z12) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*z4)/(s12*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z4)/
    (s12*s123*s134*s14*z12) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23^2*z4)/(s12*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23^2*z4)/
    (s12*s123*s134*s14*z12) - (CA*(CA - 2*CF)*s1234*z4)/(4*s23*s234*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z4)/(8*s12*s124*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s12*s124*s14*z12) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z4)/
    (s12*s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s24*z4)/(s12*s124*s134*s14*z12) - (CA*(CA - 2*CF)*s1234*z4)/
    (8*s123*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z4)/(16*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s123*s23*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(8*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(16*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(8*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(2*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(16*s12*s134*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(8*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(16*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(8*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(16*s134*s14*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s23*z4)/(8*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/(8*s12*s134*s14*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s23^2*z4)/(8*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z4)/(8*s12*s134*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(8*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z4)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(4*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(16*s12*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z4)/(8*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/(16*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z4)/(2*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(8*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s12*s123*z14) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s12*s123*z14) + (CA*(CA - 2*CF)*s1234*z4)/(8*s12*s124*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s12*s124*z14) - 
   (CA*(CA - 2*CF)*s1234*z4)/(2*s123*s14*z14) + (3*CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s123*s14*z14) - (CA*(CA - 2*CF)*s1234*z4)/(8*s124*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s124*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s123*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(8*s12*s123*s14*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(8*s134*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s134*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(8*s123*s14*s23*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s12*s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(s12*s123*s124*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(s12*s123*s134*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s23*z4)/
    (8*s12*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s12*s134*s14*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z4)/(s12*s123*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z4)/
    (s12*s123*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*z4)/(4*s14*s234*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s14*s234*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(4*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s12*s123*s14*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z4)/(8*s12*s124*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s12*s124*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(4*s12*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(2*s134*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(8*s134*s14*s23*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z4)/
    (s12*s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s24*z4)/(s12*s123*s124*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(4*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(8*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s134*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(16*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(16*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(16*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4)/(8*s12*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/(16*s12*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s234*s34*z14) + (CA*(CA - 2*CF)*s12*s1234*z4)/(8*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(2*s134*s14*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(8*s134*s14*s23*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z4)/(8*s12*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/(16*s12*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(8*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(2*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(8*s14*s23*s234*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z4)/(8*s12*s123*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z4)/(8*s12*s123*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z4)/(2*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z4)/(8*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z4)/(4*s124*s14*s23*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z4)/
    (s12*s123*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s34*z4)/(s12*s123*s134*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z4)/(4*s12*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s12*s124*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s123*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s124*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s12*s123*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s12*s123*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s12*s134*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s12*s124*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s12*s124*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s12*s134*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s124*s14*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(8*s12*s134*s14*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/(8*s12*s124*s14*s34*z12*z14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s123*s124*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z4)/(s123*s124*z23) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s12*s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(s12*s123*s124*z23) - (3*CA*(CA - 2*CF)*s1234*z4)/
    (8*s123*s14*z23) + (CA*(CA - 2*CF)*D*s1234*z4)/(16*s123*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s124*s14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s12*s123*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s12*s123*s14*z23) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (4*s12*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s12*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*z4)/(16*s134*s14*z23) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s12*s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(s12*s123*s124*z23) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (8*s12*s123*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s12*s123*s14*z23) - (CA*(CA - 2*CF)*s1234*s23*z4)/
    (8*s12*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s12*s124*s14*z23) - (3*CA*(CA - 2*CF)*s1234*z4)/(8*s12*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s12*s234*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s134*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s14*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s14*s234*z23) - (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z4)/(s12*s124*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s23*z4)/(s12*s124*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s12*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (8*s12*s124*s14*z23) - (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s12*s124*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24*z4)/(s12*s124*s234*z23) + (3*CA*(CA - 2*CF)*s1234*z4)/
    (8*s123*s34*z23) - (CA*(CA - 2*CF)*D*s1234*z4)/(16*s123*s34*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s123*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s12*s123*s34*z23) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s134*s34*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s123*s134*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*z4)/
    (8*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s134*s14*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (8*s12*s123*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s12*s123*s34*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s123*s134*s34*z23) - (CA*(CA - 2*CF)*s1234*s23*z4)/
    (8*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s134*s14*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (8*s12*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s12*s234*s34*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s134*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s23*z4)/
    (8*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s134*s14*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s12*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s12*s234*s34*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s134*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s14*s234*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z4)/
    (8*s12*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z4)/
    (8*s12*s124*s14*z23) - (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z4)/(s12*s124*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s34*z4)/(s12*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (4*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s134*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (4*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (2*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (8*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (4*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (4*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s12*s124*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s123*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s124*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (8*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s12*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s12*s124*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s123*s34*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (4*s12*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (8*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (8*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (4*s12*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (4*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s124*s14*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s12*s123*s14*z14*z23) - (5*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (2*s134*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (8*s134*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (2*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (2*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (4*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (2*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (8*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (4*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (8*s12*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s14*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (8*s14*s234*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (4*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (16*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (2*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (4*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (4*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (4*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (2*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z2*z4)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (4*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z2*z4)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34^2*z2*z4)/
    (8*s12*s124*s14*s23*z14*z23) - (5*CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s134*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s134*s14*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (4*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (4*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (4*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (4*s14*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s14*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (4*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (4*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (4*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (8*s12*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (8*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/
    (16*s134*s14*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (16*s134*s14*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (4*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/
    (8*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (4*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/
    (16*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (4*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (16*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (2*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (16*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/
    (4*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z3*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (4*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/
    (8*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z3*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (8*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (4*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (8*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z3*z4)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z3*z4)/
    (4*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z3*z4)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z4)/
    (8*s12*s123*z34) - (CA*(CA - 2*CF)*D*s1234*z4)/(16*s12*s123*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s123*s134*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(8*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s134*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s12*s124*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(16*s12*s124*s14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s12*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(16*s12*s134*s14*z34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s124*s134*s14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(s124*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*z4)/
    (8*s12*s234*z34) - (CA*(CA - 2*CF)*D*s1234*z4)/(16*s12*s234*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s123*s234*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z4)/(8*s14*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s14*s234*z34) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s124*s14*s234*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(s124*s14*s234*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s12*s123*s34*z34) - (3*CA*(CA - 2*CF)*s1234*z4)/(8*s134*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s134*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s134*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*z4)/
    (8*s12*s123*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z4)/(s123*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s12*s123*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (4*s12*s124*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (8*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s12*s134*s34*z34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s124*s134*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (s124*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (4*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/
    (16*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (8*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/
    (16*s12*s134*s14*s34*z34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z4)/(s124*s134*s14*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z4)/
    (s124*s134*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23^2*z4)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23^2*z4)/
    (8*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (8*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s12*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s123*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (8*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s14*s234*s34*z34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23^2*z4)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23^2*z4)/
    (s124*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s12*s123*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (4*s12*s134*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*s24*z4)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/
    (8*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s12*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s123*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s14*s234*s34*z34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z4)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z4)/
    (s124*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s12*s123*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (2*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (8*s12*s124*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (4*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (8*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (4*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (16*s12*s124*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (4*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (8*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/
    (4*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23^2*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/
    (8*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23^2*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (4*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (8*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s134*s14*z14*z34) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s14*s234*z14*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s134*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (4*s134*s14*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (4*s14*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s14*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (2*s12*s123*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (8*s12*s123*z12*z34) + (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s12*s124*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s12*s124*z12*z34) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (4*s12*s134*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s12*s134*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s12*s124*s14*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s12*s134*s14*z12*z34) - (5*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (4*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (16*s12*s134*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s12*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (8*s12*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (8*s12*s23*s234*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (4*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (2*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (8*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (2*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (8*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (4*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (4*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/
    (2*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z2*z4)/
    (8*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23^2*z2*z4)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (4*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (2*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (8*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z2*z4)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (16*s12*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (4*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (8*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (2*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (8*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (4*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s12*s124*z14*z34) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s12*s134*z14*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s124*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s134*s14*z14*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s134*s23*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s134*s14*s23*z14*z34) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s14*s234*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s14*s23*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s12*s124*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s14*s23*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s134*s23*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (4*s134*s14*s23*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s14*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (4*s14*s23*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s12*s134*s14*z14*z34) - (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s134*s14*s23*z14*z34) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s14*s23*s234*z14*z34) - (3*CA*(CA - 2*CF)*s1234*z3*z4)/
    (4*s12*s123*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (8*s12*s123*z12*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/(s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(4*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(2*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(4*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(2*s12*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(8*s12*s234*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(4*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(8*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(2*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(8*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(4*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(2*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(8*s124*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(2*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(8*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(4*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(4*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(2*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(8*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z3*z4)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23^2*z3*z4)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(4*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(4*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(4*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(16*s12*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(16*s12*s123*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(4*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(2*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(8*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(8*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(4*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(4*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z3*z4)/(8*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z3*z4)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z3*z4)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z3*z4)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3*z4)/(8*s12*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(8*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(4*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(8*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(4*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s14*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(4*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(4*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(4*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z3*z4)/(4*s12*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(8*s12*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(8*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z3*z4)/(4*s12*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s14*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(8*s12*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(8*s14*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s12*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s14*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s12*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s134*s14*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s12*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s12*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s14*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(2*s12*s123*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(2*s123*s23*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(2*s12*s123*s23*z12*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z3*z4)/(4*s12*s234*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(4*s12*s23*s234*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/(4*s12*s23*s234*z12*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(4*s12*s23*s234*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(4*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(2*s12*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/(4*s12*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(4*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3*z4)/(4*s12*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/(4*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3*z4)/(4*s12*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3*z4)/(4*s12*s123*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(4*s12*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/(4*s12*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3*z4)/(4*s12*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(4*s12*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(4*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/(4*s12*s123*s23*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(2*s12*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/(4*s12*s23*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3*z4)/(4*s12*s23*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3*z4)/(4*s12*s23*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3*z4)/(2*s12*s23*s234*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(2*s134*s14*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(4*s134*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(4*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(2*s134*s14*s23*z14*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z3*z4)/(4*s14*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(4*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(4*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(4*s134*s14*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(2*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(2*s134*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(2*s134*s14*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(4*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(4*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z2*z3*z4)/(4*s134*s14*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3*z4)/(4*s134*s14*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(4*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(4*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3*z4)/(2*s14*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(4*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/(4*s134*s14*s23*s34*z14*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(4*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z2*z3*z4)/(4*s14*s23*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/(4*s14*s23*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3*z4)/(4*s14*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3*z4)/(4*s134*s14*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3*z4)/(4*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(4*s134*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(16*s134*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(4*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s14*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(16*s14*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(8*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(4*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(4*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(2*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(8*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(16*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(16*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(4*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(8*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(4*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(8*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(16*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z4^2)/(8*s12*s124*s14*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z4^2)/(4*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(8*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(2*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(8*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(4*s12*s234*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(4*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(16*s12*s134*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4^2)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(4*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4^2)/(16*s12*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23^2*z4^2)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z4^2)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23^2*z4^2)/(4*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z4^2)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z4^2)/(8*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s12*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z4^2)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4^2)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z4^2)/(4*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4^2)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s14*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(8*s12*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s14*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z4^2)/(8*s12*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(8*s14*s234*s34*z14*z34)) + 
 k1k4*((CF*(-CA + 2*CF)*s1234)/s123^2 - (3*CF*(-CA + 2*CF)*D*s1234)/
    (4*s123^2) + (CF*(-CA + 2*CF)*D^2*s1234)/(8*s123^2) - 
   (3*CA*(CA - 2*CF)*s1234)/(4*s12*s123) + (3*CA*(CA - 2*CF)*D*s1234)/
    (8*s12*s123) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s12*s123) - 
   (CA*(CA - 2*CF)*s1234)/(2*s12*s124) + (5*CA*(CA - 2*CF)*D*s1234)/
    (16*s12*s124) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s12*s124) - 
   (2*CF*(-CA + 2*CF)*s1234*s13)/(s12*s123^2) + 
   (5*CF*(-CA + 2*CF)*D*s1234*s13)/(4*s12*s123^2) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s13)/(8*s12*s123^2) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s12*s123*s124) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s12*s123*s124) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s12*s123*s124) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234)/(s123*s134) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234)/(s123*s134) + (5*CA*(CA - 2*CF)*s1234)/(4*s123*s14) - 
   (7*CA*(CA - 2*CF)*D*s1234)/(16*s123*s14) + (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s123*s14) + (7*CA*(CA - 2*CF)*s1234)/(4*s124*s14) - 
   (5*CA*(CA - 2*CF)*D*s1234)/(8*s124*s14) + (CA*(CA - 2*CF)*D^2*s1234)/
    (16*s124*s14) - (5*CA*(CA - 2*CF)*s1234*s13)/(8*s12*s123*s14) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s123*s14) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s124*s14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s124*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s124*s14) + (7*CA*(CA - 2*CF)*s1234)/(4*s134*s14) - 
   (5*CA*(CA - 2*CF)*D*s1234)/(8*s134*s14) + (CA*(CA - 2*CF)*D^2*s1234)/
    (16*s134*s14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234)/(s124*s134*s14) + (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s123*s134*s14) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s134*s14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s134*s14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s12*s123*s124) + (CA*(CA - 2*CF)*D*s1234)/(16*s123*s23) - 
   (CF*(-CA + 2*CF)*s1234*s13)/(s123^2*s23) + (CF*(-CA + 2*CF)*D*s1234*s13)/
    (2*s123^2*s23) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/
    (s123*s124*s23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s124*s23) + (3*CA*(CA - 2*CF)*s1234*s13)/(8*s123*s14*s23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13)/(16*s123*s14*s23) + 
   (CA*(CA - 2*CF)*s1234*s13)/(4*s124*s14*s23) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (16*s124*s14*s23) - (CA*(CA - 2*CF)*D*s12*s1234)/(16*s134*s14*s23) - 
   (CF*(-CA + 2*CF)*s1234*s23)/(s12*s123^2) + (3*CF*(-CA + 2*CF)*D*s1234*s23)/
    (4*s12*s123^2) - (CF*(-CA + 2*CF)*D^2*s1234*s23)/(8*s12*s123^2) - 
   (26*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s12*s123*s124) + 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s12*s123*s124) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(s12*s123*s124) - (16*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23)/(s12*s123*s134) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s12*s123*s134) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(2*s12*s123*s134) - (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23)/(s12*s124*s134) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s12*s124*s134) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(2*s12*s124*s134) + (CA*(CA - 2*CF)*s1234*s23)/(4*s12*s134*s14) - 
   (CA*(CA - 2*CF)*D*s1234*s23)/(16*s12*s134*s14) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s123*s134*s14) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s123*s134*s14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(2*s123*s134*s14) + (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23)/(s124*s134*s14) - 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s124*s134*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(s124*s134*s14) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23)/(s12*s123*s134*s14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23)/
    (s12*s123*s134*s14) + (CF*(-CA + 2*CF)*s1234)/s234^2 - 
   (3*CF*(-CA + 2*CF)*D*s1234)/(4*s234^2) + (CF*(-CA + 2*CF)*D^2*s1234)/
    (8*s234^2) - (CA*(CA - 2*CF)*s1234)/(4*s12*s234) + 
   (3*CA*(CA - 2*CF)*D*s1234)/(16*s12*s234) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s12*s234) + (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s123*s234) - (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s123*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234)/
    (s123*s234) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s124*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s124*s234) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/
    (s12*s123*s234) + (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13)/(s12*s123*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13)/(2*s12*s123*s234) - 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s12*s124*s234) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s12*s124*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s12*s124*s234) + (5*CA*(CA - 2*CF)*s1234)/(4*s14*s234) - 
   (7*CA*(CA - 2*CF)*D*s1234)/(16*s14*s234) + (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s14*s234) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s124*s14*s234) - (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234)/(s124*s14*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*
     s12*s1234)/(2*s124*s14*s234) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s134*s14*s234) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s12*s123*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/(s12*s123*s234) - 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s12*s124*s234) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/(s12*s124*s234) + 
   (CA*(CA - 2*CF)*D*s1234)/(16*s23*s234) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s123*s23*s234) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234)/(s123*s23*s234) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s134*s23*s234) + 
   (3*CA*(CA - 2*CF)*s12*s1234)/(4*s14*s23*s234) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234)/(8*s14*s23*s234) + 
   (CA*(CA - 2*CF)*D^2*s12*s1234)/(32*s14*s23*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s12*s123*s234) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s12*s123*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(2*s12*s123*s234) - (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23)/(s12*s124*s234) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s12*s124*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(2*s12*s124*s234) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23)/(s124*s14*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s124*s14*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(2*s124*s14*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s12*s123*s124) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24)/(s12*s123*s124) - (CA*(CA - 2*CF)*s1234*s24)/
    (2*s12*s123*s14) + (CA*(CA - 2*CF)*D*s1234*s24)/(4*s12*s123*s14) - 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(32*s12*s123*s14) - 
   (CA*(CA - 2*CF)*s1234*s24)/(4*s12*s124*s14) + 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s123*s124*s14) - (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24)/(s12*s123*s124*s14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24)/
    (2*s12*s123*s124*s14) + (CA*(CA - 2*CF)*s1234*s24)/(2*s12*s134*s14) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(4*s12*s134*s14) + 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(32*s12*s134*s14) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s123*s134*s14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s123*s134*s14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s124*s134*s14) - (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s123*s14*s23) + (3*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s12*s123*s14*s23) - (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s12*s123*s14*s23) + (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s124*s14*s23) - (CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s12*s124*s14*s23) + (CA*(CA - 2*CF)*s1234*s24)/(4*s134*s14*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s134*s14*s23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24)/
    (s12*s123*s124*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*s24)/(s12*s123*s124*s14) - 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24)/
    (s12*s123*s134*s14) + (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s24)/(s12*s123*s134*s14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s23*s24)/
    (2*s12*s123*s134*s14) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24)/(s12*s124*s134*s14) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24)/
    (s12*s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s23*s24)/(2*s12*s124*s134*s14) - (CF*(-CA + 2*CF)*s1234*s24)/
    (s23*s234^2) + (CF*(-CA + 2*CF)*D*s1234*s24)/(2*s23*s234^2) - 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s12*s124*s234) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/(s12*s124*s234) + 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s124*s14*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s124*s14*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s124*s14*s234) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s134*s14*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s134*s14*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s134*s14*s234) - (CA*(CA - 2*CF)*s1234*s24)/(8*s12*s23*s234) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s23*s234) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s123*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s123*s23*s234) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s124*s23*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s124*s23*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s134*s23*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/(s134*s23*s234) + 
   (3*CA*(CA - 2*CF)*s1234*s24)/(8*s14*s23*s234) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24)/(16*s14*s23*s234) - 
   (CA*(CA - 2*CF)*s1234)/(4*s123*s34) + (3*CA*(CA - 2*CF)*D*s1234)/
    (16*s123*s34) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s123*s34) - 
   (5*CA*(CA - 2*CF)*s1234*s13)/(8*s12*s123*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s123*s34) - 
   (CA*(CA - 2*CF)*s1234)/(2*s134*s34) + (5*CA*(CA - 2*CF)*D*s1234)/
    (16*s134*s34) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s134*s34) - 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s134*s34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/(s123*s134*s34) + 
   (CA*(CA - 2*CF)*s1234*s13)/(2*s124*s14*s34) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (4*s124*s14*s34) + (CA*(CA - 2*CF)*D^2*s1234*s13)/(32*s124*s14*s34) - 
   (CA*(CA - 2*CF)*s1234*s13)/(4*s134*s14*s34) - (CA*(CA - 2*CF)*s1234*s14)/
    (4*s12*s123*s34) - (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14)/(s123*s134*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14)/(s123*s134*s34) - (CA*(CA - 2*CF)*s1234*s13)/
    (8*s123*s23*s34) - (CA*(CA - 2*CF)*D*s1234*s13)/(16*s123*s23*s34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13)/
    (s123*s134*s23*s34) - (CA*(CA - 2*CF)*s12*s1234*s13)/
    (8*s134*s14*s23*s34) - (CA*(CA - 2*CF)*s1234*s23)/(s12*s123*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s23)/(4*s12*s123*s34) - 
   (3*CA*(CA - 2*CF)*s1234*s23)/(2*s12*s124*s34) + 
   (7*CA*(CA - 2*CF)*D*s1234*s23)/(16*s12*s124*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s23)/(32*s12*s124*s34) - 
   (3*CA*(CA - 2*CF)*s1234*s23)/(2*s12*s134*s34) + 
   (7*CA*(CA - 2*CF)*D*s1234*s23)/(16*s12*s134*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s23)/(32*s12*s134*s34) - 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s123*s134*s34) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s123*s134*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(2*s123*s134*s34) - (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23)/(s124*s134*s34) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s124*s134*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(2*s124*s134*s34) + (CA*(CA - 2*CF)*s1234*s23)/(4*s124*s14*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s23)/(16*s124*s14*s34) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s23)/(8*s12*s134*s14*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23)/(8*s12*s134*s14*s34) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23)/
    (s124*s134*s14*s34) + (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s23)/(s124*s134*s14*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s23)/
    (2*s124*s134*s14*s34) - (CF*(-CA + 2*CF)*s1234*s23)/(s234^2*s34) + 
   (3*CF*(-CA + 2*CF)*D*s1234*s23)/(4*s234^2*s34) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s23)/(8*s234^2*s34) - 
   (3*CA*(CA - 2*CF)*s1234)/(4*s234*s34) + (3*CA*(CA - 2*CF)*D*s1234)/
    (8*s234*s34) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s234*s34) - 
   (CA*(CA - 2*CF)*s1234*s13)/(4*s12*s234*s34) + (CA*(CA - 2*CF)*D*s1234*s13)/
    (16*s12*s234*s34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13)/(s134*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13)/(s134*s234*s34) + (CA*(CA - 2*CF)*s12*s1234)/
    (4*s14*s234*s34) - (CA*(CA - 2*CF)*D*s12*s1234)/(16*s14*s234*s34) - 
   (CA*(CA - 2*CF)*s1234*s13)/(2*s14*s234*s34) + (CA*(CA - 2*CF)*D*s1234*s13)/
    (4*s14*s234*s34) - (CA*(CA - 2*CF)*D^2*s1234*s13)/(32*s14*s234*s34) - 
   (CA*(CA - 2*CF)*s1234*s14)/(4*s12*s234*s34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/(s123*s234*s34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s134*s234*s34) - 
   (CA*(CA - 2*CF)*s1234*s23)/(s12*s234*s34) + (CA*(CA - 2*CF)*D*s1234*s23)/
    (4*s12*s234*s34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23)/(s123*s234*s34) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23)/(s123*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s23)/(2*s123*s234*s34) - 
   (16*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s124*s234*s34) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s124*s234*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(2*s124*s234*s34) - (26*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23)/(s134*s234*s34) + 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s134*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(s134*s234*s34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s23)/(s124*s14*s234*s34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s23)/
    (s124*s14*s234*s34) - (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23)/(s124*s14*s234*s34) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23)/
    (s124*s14*s234*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s23)/(2*s124*s14*s234*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23)/
    (s134*s14*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s23)/(s134*s14*s234*s34) - (CA*(CA - 2*CF)*s1234*s24)/
    (4*s12*s123*s34) + (CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s123*s34) - 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s134*s34) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s123*s134*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s123*s134*s34) + (7*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s124*s14*s34) - (5*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s12*s124*s14*s34) + (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s12*s124*s14*s34) + (7*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s134*s14*s34) - (5*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s12*s134*s14*s34) + (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s12*s134*s14*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s124*s134*s14*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s124*s134*s14*s34) + (CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s123*s23*s34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s123*s134*s23*s34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s123*s134*s23*s34) + (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s134*s14*s23*s34) - (CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s134*s14*s23*s34) - (5*CA*(CA - 2*CF)*s1234*s23*s24)/
    (8*s12*s124*s14*s34) + (CA*(CA - 2*CF)*D*s1234*s23*s24)/
    (8*s12*s124*s14*s34) - (2*CF*(-CA + 2*CF)*s1234*s24)/(s234^2*s34) + 
   (5*CF*(-CA + 2*CF)*D*s1234*s24)/(4*s234^2*s34) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s24)/(8*s234^2*s34) - 
   (5*CA*(CA - 2*CF)*s1234*s24)/(8*s12*s234*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s234*s34) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s234*s34) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s123*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s123*s234*s34) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s134*s234*s34) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s134*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s134*s234*s34) - (5*CA*(CA - 2*CF)*s1234*s24)/(8*s14*s234*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s14*s234*s34) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s124*s14*s234*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s124*s14*s234*s34) + 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s134*s14*s234*s34) - (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24)/(s134*s14*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24)/
    (2*s134*s14*s234*s34) + (CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s23*s234*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s123*s23*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s123*s23*s234*s34) - (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s14*s23*s234*s34) + (3*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s14*s23*s234*s34) - (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s14*s23*s234*s34) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24)/(s124*s14*s234*s34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24)/
    (s124*s14*s234*s34) + (CA*(CA - 2*CF)*s1234*s34)/(4*s12*s123*s14) - 
   (CA*(CA - 2*CF)*D*s1234*s34)/(16*s12*s123*s14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s124*s14) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s134*s14) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s123*s134*s14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s123*s134*s14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34)/(s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D*s1234*s34)/(s124*s134*s14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s124*s23) + 
   (3*CA*(CA - 2*CF)*s1234*s34)/(4*s123*s14*s23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s34)/(8*s123*s14*s23) + 
   (CA*(CA - 2*CF)*D^2*s1234*s34)/(32*s123*s14*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s34)/(16*s124*s14*s23) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s34)/
    (s12*s123*s134*s14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*s34)/(s12*s123*s134*s14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s23*s234) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34)/(s123*s23*s234) - 
   (CA*(CA - 2*CF)*s1234*s24*s34)/(8*s12*s124*s14*s23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34)/
    (s12*s124*s23*s234) - (CF*(-CA + 2*CF)*s1234*z1)/(2*s123^2*z12) - 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s123*z12) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s12*s123*z12) - (5*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s124*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s124*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s124*z12) - 
   (CF*(-CA + 2*CF)*s1234*s13*z1)/(2*s12*s123^2*z12) + 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s123*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s14*z12) - 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s124*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s124*s14*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z1)/
    (s12*s123*s124*z12) - (CF*(-CA + 2*CF)*s1234*s23*z1)/(2*s12*s123^2*z12) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s12*s124*s134*z12) + (5*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s123*s14*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (2*s123*s134*s14*z12) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1)/(s124*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (2*s124*s134*s14*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z1)/(s12*s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z1)/
    (2*s12*s123*s134*s14*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23^2*z1)/(s12*s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23^2*z1)/
    (2*s12*s123*s134*s14*z12) - (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s234*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s12*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s123*s124*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s14*z12) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z1)/(s12*s124*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z1)/
    (2*s12*s124*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s23*s234*z12) + (5*CA*(CA - 2*CF)*s1234*z1)/(16*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(4*s12*s123*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s123*s34*z12) + 
   (7*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s124*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(4*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(16*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s134*s14*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s13*s23*z1)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/(16*s12*s134*s14*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s23^2*z1)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z1)/(16*s12*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*z1)/(16*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(8*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s123*s23*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s23*s24*z1)/(16*s12*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(32*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1)/(4*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(32*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s12*s123*z14) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s12*s123*z14) + (CA*(CA - 2*CF)*s1234*z1)/(16*s12*s124*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s124*z14) - 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s123*s14*z14) + (3*CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s123*s14*z14) - (3*CA*(CA - 2*CF)*s1234*z1)/(16*s124*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s124*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s123*s14*z14) - 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s134*s14*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(8*s134*s14*s23*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s12*s123*s124*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s12*s123*s134*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s134*s14*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*z1)/(s12*s123*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z1)/
    (2*s12*s123*s134*s14*z14) - (3*CA*(CA - 2*CF)*s1234*z1)/
    (8*s14*s234*z14) + (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s14*s234*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(4*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z1)/(16*s14*s23*s234*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s12*s123*s14*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s123*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s124*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s124*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(4*s12*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(4*s12*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s134*s14*s23*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1)/
    (s12*s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s24*z1)/(2*s12*s123*s124*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s134*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s134*s14*s34*z14) + (CA*(CA - 2*CF)*s12*s1234*s13*z1)/
    (8*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s124*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s124*s34*z14) - (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s134*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s134*s34*z14) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s124*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s124*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*s23*z1)/
    (16*s12*s134*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/
    (32*s12*s134*s14*s34*z14) + (CA*(CA - 2*CF)*s1234*z1)/(16*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(16*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s134*s14*s23*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1)/(16*s12*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(32*s12*s124*s14*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(16*s12*s123*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(16*s12*s123*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(8*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(4*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(16*s124*s14*s23*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z1)/
    (s12*s123*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s34*z1)/(2*s12*s123*s134*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1)/(4*s12*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/(16*s12*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*z1^2)/(16*s12*s124*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*z1^2)/(16*s123*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*z1^2)/(16*s124*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1^2)/(16*s12*s123*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1^2)/(16*s12*s123*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1^2)/(16*s12*s134*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1^2)/(16*s12*s124*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1^2)/(16*s12*s124*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1^2)/(16*s12*s134*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1^2)/(16*s124*s14*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1^2)/(16*s12*s134*s14*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/(16*s12*s124*s14*s34*z12*z14) - 
   (CF*(-CA + 2*CF)*s1234*z2)/(s123^2*z12) + (CF*(-CA + 2*CF)*D*s1234*z2)/
    (4*s123^2*z12) - (3*CA*(CA - 2*CF)*s1234*z2)/(16*s12*s123*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s123*z12) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s12*s124*z12) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s12*s124*z12) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     z2)/(s123*s124*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*z2)/(s123*s124*z12) - (CF*(-CA + 2*CF)*s1234*s13*z2)/
    (s12*s123^2*z12) + (CF*(-CA + 2*CF)*D*s1234*s13*z2)/(4*s12*s123^2*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z2)/(8*s12*s134*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s134*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*z2)/
    (16*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s14*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z2)/(16*s134*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s14*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s124*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s124*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z2)/
    (s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2*z2)/(2*s12*s123*s134*s14*z12) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s12*s123*s124*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(s12*s123*s124*z12) + (CA*(CA - 2*CF)*s1234*z2)/
    (16*s123*s23*z12) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s123*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s124*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s12*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(32*s12*s123*s14*s23*z12) - 
   (CF*(-CA + 2*CF)*s1234*s23*z2)/(s12*s123^2*z12) + 
   (CF*(-CA + 2*CF)*D*s1234*s23*z2)/(4*s12*s123^2*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s23*z2)/(16*s12*s134*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2)/(16*s12*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z2)/
    (s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s23*z2)/(2*s12*s123*s134*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s234*z12) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(s123*s234*z12) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s124*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(s124*s234*z12) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s12*s123*s234*z12) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s12*s124*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(s12*s124*s234*z12) + (3*CA*(CA - 2*CF)*s1234*z2)/
    (16*s23*s234*z12) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s23*s234*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s23*s234*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s23*s234*z12) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z2)/
    (s12*s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z2)/(s12*s123*s234*z12) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2)/
    (s12*s123*s124*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z2)/(s12*s123*s124*z12) + (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s124*s14*z12) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s12*s134*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z2)/(s12*s124*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (2*s12*s124*s134*s14*z12) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s124*s14*s23*z12) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s12*s124*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z2)/
    (s12*s124*s234*z12) + (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s23*s234*z12) + (CA*(CA - 2*CF)*s1234*z2)/(2*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(8*s123*s34*z12) + 
   (9*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s34*z12) - 
   (5*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(2*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(8*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(32*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(2*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z2)/(8*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z2)/(8*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z2)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(4*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z2)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*z2)/(2*s234*s34*z12) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (8*s234*s34*z12) + (5*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s234*s34*z12) - 
   (5*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s234*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(8*s12*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(8*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(32*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2)/(16*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(2*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z2)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(4*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(32*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(32*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(4*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z2)/(8*s12*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z2)/(8*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s12*s23*s234*s34*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s12*s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s12*s124*s134*z12) - (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s123*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (2*s123*s134*s14*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s124*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (2*s124*s134*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z2)/(s12*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z2)/
    (2*s12*s123*s134*s14*z12) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s124*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s124*s23*z12) - (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s123*s14*s23*z12) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s124*s14*s23*z12) - (3*CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (16*s12*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/
    (32*s12*s123*s14*s23*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s34*z2)/(s12*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s34*z2)/
    (2*s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s12*s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s123*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z2)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s12*s123*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s34*z2)/(s12*s124*s23*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z2)/
    (s12*s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24*s34*z2)/(2*s12*s124*s134*s14*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*s34*z2)/(16*s12*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/(32*s12*s124*s14*s23*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z2)/
    (s12*s124*s23*s234*z12) + (CA*(CA - 2*CF)*s1234*z2)/(4*s12*s123*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s123*z14) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s12*s124*z14) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s12*s124*z14) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s12*s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z2)/(2*s12*s123*s124*z14) + (3*CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s134*z14) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s134*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s12*s123*s134*z14) - (3*CA*(CA - 2*CF)*s1234*z2)/
    (16*s124*s14*z14) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s14*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s124*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s124*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s12*s134*s14*z14) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z2)/(s12*s123*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z2)/
    (2*s12*s123*s134*s14*z14) + (9*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s123*s23*z14) - (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s123*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s124*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s124*s23*z14) - (5*CA*(CA - 2*CF)*s1234*z2)/(16*s134*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s123*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s124*s14*s23*z14) + 
   (5*CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s12*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(16*s12*s123*s14*s23*z14) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s124*s234*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(2*s124*s234*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s134*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/
    (2*s134*s234*z14) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z2)/(s124*s14*s234*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*z2)/
    (2*s124*s14*s234*z14) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s134*s14*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (2*s134*s14*s234*z14) - (9*CA*(CA - 2*CF)*s1234*z2)/(16*s23*s234*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s23*s234*z14) - 
   (5*CA*(CA - 2*CF)*s12*s1234*z2)/(16*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z2)/(16*s14*s23*s234*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s14*s23*s234*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2)/(16*s12*s124*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(32*s12*s124*s14*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2)/
    (s12*s123*s124*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z2)/(2*s12*s123*s124*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(4*s12*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(32*s12*s123*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s12*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(32*s12*s124*s14*s23*z14) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2)/
    (s124*s14*s234*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z2)/(2*s124*s14*s234*z14) - (5*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s14*s23*s234*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s124*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s124*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s134*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s124*s14*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s134*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s134*s14*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s23*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s134*s14*s23*s34*z14) - (CA*(CA - 2*CF)*s1234*z2)/(8*s234*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z2)/(16*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(8*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(32*s14*s23*s234*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s12*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(32*s12*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s14*s23*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s134*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s134*s14*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s12*s123*s134*s14*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34*z2)/(2*s12*s123*s134*s14*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s123*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s124*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s124*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(8*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z2)/(16*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s124*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z2)/(8*s12*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/(16*s12*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z2)/(16*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s134*s14*s23*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s134*s14*s234*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s134*s14*s234*z14) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (4*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s14*s23*s234*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z2)/
    (8*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/
    (32*s12*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s24*s34*z2)/
    (16*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/
    (32*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s34^2*z2)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s124*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s134*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (16*s12*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (16*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s23*z1*z2)/
    (8*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z2)/
    (8*s12*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (16*s12*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (16*s12*s124*s14*s23*z12*z14) - (CF*(-CA + 2*CF)*s1234*z1)/
    (2*s123^2*z23) + (CF*(-CA + 2*CF)*D*s1234*z1)/(4*s123^2*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s124*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(2*s123*s124*z23) - 
   (CF*(-CA + 2*CF)*s1234*s13*z1)/(2*s12*s123^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*z1)/(4*s12*s123^2*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s12*s123*s124*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(2*s12*s123*s124*z23) + (3*CA*(CA - 2*CF)*s1234*z1)/
    (16*s123*s14*z23) - (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s124*s14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s123*s14*z23) - (3*CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s12*s123*s14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1)/
    (8*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s14*z23) - 
   (CF*(-CA + 2*CF)*s1234*s23*z1)/(2*s12*s123^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s23*z1)/(4*s12*s123^2*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s124*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s12*s123*s124*z23) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s123*s14*z23) - (3*CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s123*s14*z23) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s124*s14*z23) + (CA*(CA - 2*CF)*s1234*z1)/(16*s12*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s134*s234*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z1)/(16*s14*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s14*s234*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(s12*s123*s234*z23) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s124*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s12*s124*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s123*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (8*s12*s123*s14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s124*s14*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s12*s123*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (s12*s123*s234*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s12*s124*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s12*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*z1)/(16*s123*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*z1)/
    (s123*s134*s34*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*z1)/(s123*s134*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z1)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s123*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s123*s34*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1)/(s123*s134*s34*z23) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1)/(s134*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s134*s234*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s12*s123*s14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s12*s124*s14*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s12*s123*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (s12*s123*s234*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s12*s124*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s12*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (32*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (32*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (32*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (8*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s134*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (4*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1^2)/
    (16*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (8*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (32*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (8*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (32*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z2)/(16*s12*s123*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s123*z23) + 
   (CF*(-CA + 2*CF)*s1234*s13*z2)/(2*s12*s123^2*z23) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z2)/(4*s12*s123^2*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s12*s123*s124*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s134*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(2*s123*s134*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s14*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s124*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s134*s14*z23) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s134*s14*z23) - (CA*(CA - 2*CF)*s1234*z2)/(16*s123*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s123*s23*z23) + 
   (CF*(-CA + 2*CF)*s1234*s13*z2)/(2*s123^2*s23*z23) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z2)/(4*s123^2*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s23*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s124*s23*z23) + (CF*(-CA + 2*CF)*s1234*s13^2*z2)/
    (2*s12*s123^2*s23*z23) - (CF*(-CA + 2*CF)*D*s1234*s13^2*z2)/
    (4*s12*s123^2*s23*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z2)/(s12*s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z2)/
    (2*s12*s123*s124*s23*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*z2)/(s123*s134*s23*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*z2)/
    (2*s123*s134*s23*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s123*s134*s23*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (2*s123*s134*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s123*s14*s23*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s123*s14*s23*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (8*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z2)/
    (16*s134*s14*s23*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2)/
    (16*s134*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s14*s23*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s14*s23*z23) + (CF*(-CA + 2*CF)*s1234*z2)/(2*s234^2*z23) - 
   (CF*(-CA + 2*CF)*D*s1234*z2)/(4*s234^2*z23) + (CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s234*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(s123*s234*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s12*s123*s234*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s124*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s12*s124*s234*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s134*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/
    (2*s134*s234*z23) - (3*CA*(CA - 2*CF)*s1234*z2)/(16*s14*s234*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s14*s234*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z2)/
    (s123*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z2)/(s123*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s23*s234*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s123*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (s123*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s134*s23*s234*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2)/
    (16*s14*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s14*s23*s234*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s14*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (8*s12*s123*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s134*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s134*s14*s23*z23) + (CF*(-CA + 2*CF)*s1234*s24*z2)/
    (2*s23*s234^2*z23) - (CF*(-CA + 2*CF)*D*s1234*s24*z2)/
    (4*s23*s234^2*z23) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s23*s234*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s12*s123*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (s12*s123*s23*s234*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s12*s124*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (2*s12*s124*s23*s234*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s134*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z2)/
    (2*s134*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s14*s23*s234*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s123*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s123*s134*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s123*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s123*s23*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13*z2)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z2)/
    (s123*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z2)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s134*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s23*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s134*s23*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s14*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(32*s14*s23*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s123*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s123*s14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s124*s14*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s34*z2)/(s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s12*s123*s124*s23*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (16*s12*s123*s14*s23*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/
    (32*s12*s123*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (16*s12*s124*s14*s23*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/
    (32*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s134*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s134*s14*s23*z23) + (CF*(-CA + 2*CF)*s1234*s34*z2)/
    (2*s23*s234^2*z23) - (CF*(-CA + 2*CF)*D*s1234*s34*z2)/
    (4*s23*s234^2*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*
     z2)/(s12*s124*s234*z23) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s23*s234*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z2)/(s12*s123*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z2)/
    (s12*s123*s23*s234*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z2)/(s12*s124*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z2)/
    (2*s12*s124*s23*s234*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s134*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (2*s134*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s14*s23*s234*z23) + (3*CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z2)/
    (16*s12*s124*s14*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z2)/(s12*s124*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*s34^2*z2)/(16*s12*s124*s14*s23*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34^2*z2)/
    (s12*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s123*z12*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s124*z12*z23) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s123*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s123*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s123*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s134*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (4*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (16*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (16*s12*s124*s14*z14*z23) - (5*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s14*s234*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z1*z2)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (16*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (2*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (32*s12*s123*s14*z14*z23) - (7*CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (32*s12*s124*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s14*s23*s234*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z2)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z2)/
    (32*s12*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34^2*z1*z2)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34^2*z1*z2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s12*s123*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s123*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s123*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (16*s12*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s12*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (16*s12*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (16*s12*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (16*s12*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/
    (16*s12*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s12*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z2^2)/
    (16*s12*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (4*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (16*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/
    (32*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s14*s234*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2^2)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/
    (32*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z2^2)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (4*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (16*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (8*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (32*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z2^2)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z2^2)/
    (32*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*s34*z2^2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z2^2)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34^2*z2^2)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34^2*z2^2)/
    (32*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34^2*z2^2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34^2*z2^2)/
    (32*s12*s124*s14*s23*z14*z23) + (CF*(-CA + 2*CF)*s1234*z3)/
    (2*s123^2*z12) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/
    (s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/
    (2*s124*s134*z12) - (5*CA*(CA - 2*CF)*s1234*z3)/(16*s123*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s14*z12) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s123*s134*s14*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s124*s134*s14*z12) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z3)/(2*s123*s134*s14*z12) + (CF*(-CA + 2*CF)*s12*s1234*z3)/
    (2*s123^2*s23*z12) + (CA*(CA - 2*CF)*s1234*z3)/(4*s123*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s123*s23*z12) + 
   (5*CA*(CA - 2*CF)*s1234*z3)/(16*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s23*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s124*s23*z12) + (CF*(-CA + 2*CF)*s1234*s13*z3)/(2*s123^2*s23*z12) - 
   (5*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s123*s14*s23*z12) + 
   (5*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s124*s14*s23*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s123*s14*s23*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s124*s23*z12) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z3)/(s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s23*z3)/(2*s123*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*z3)/
    (4*s23*s234*z12) - (CA*(CA - 2*CF)*D*s1234*z3)/(16*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s12*s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s14*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s123*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s124*s134*s14*z12) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z3)/(2*s12*s123*s134*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s124*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s124*s23*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s124*s23*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s123*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (4*s124*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s123*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s123*s14*s23*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z3)/(s12*s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z3)/
    (2*s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s12*s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s12*s123*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z3)/(s12*s124*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z3)/
    (s12*s124*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2*z3)/(2*s12*s124*s134*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s12*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s12*s124*s14*s23*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z3)/
    (s12*s124*s23*s234*z12) - (5*CA*(CA - 2*CF)*s1234*z3)/(16*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s34*z12) - 
   (7*CA*(CA - 2*CF)*s1234*z3)/(16*s124*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s134*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s134*s34*z12) + (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s134*s14*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s134*s14*s34*z12) - 
   (5*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s123*s23*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(4*s123*s23*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s23*z3)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z3)/(16*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z3)/(8*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s234*s34*z12) - (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s23*s234*s34*z12) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s23*s234*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (8*s23*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s23*s234*s34*z12) - (CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s23*s234*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s34*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s134*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s134*s34*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s124*s14*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s134*s14*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s134*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s12*s134*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s123*s23*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s23*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s123*s23*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s123*s23*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s23*s24*z3)/
    (16*s12*s134*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z3)/
    (16*s12*s134*s14*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s234*s34*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (4*s23*s234*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s23*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s23*s234*s34*z12) + (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (16*s12*s23*s234*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s124*s14*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s124*s14*s34*z12) + (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (8*s12*s134*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s134*s14*s34*z12) + (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s23*s234*s34*z12) - (CA*(CA - 2*CF)*s1234*z3)/(8*s12*s123*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s124*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/
    (2*s123*s124*z14) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     z3)/(s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     z3)/(2*s123*s134*z14) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s123*s124*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (2*s123*s124*s14*z14) - (3*CA*(CA - 2*CF)*s1234*z3)/(16*s134*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s14*z14) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s123*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z3)/(2*s123*s134*s14*z14) - (9*CA*(CA - 2*CF)*s1234*z3)/
    (16*s123*s23*z14) + (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z14) - 
   (5*CA*(CA - 2*CF)*s1234*z3)/(16*s124*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s23*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(4*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s124*s14*s23*z14) - 
   (5*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s134*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(8*s14*s23*s234*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s14*s23*s234*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s123*s124*s14*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s134*s14*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s123*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s134*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s14*s23*z14) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s134*s14*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s134*s14*s234*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (4*s14*s23*s234*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s23*s234*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (8*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s124*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*z3)/
    (16*s124*s34*z14) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s134*s34*z14) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s124*s14*s34*z14) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s124*s14*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s134*s14*s34*z14) - (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s23*s34*z14) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s134*s23*s34*z14) + (3*CA*(CA - 2*CF)*s12*s1234*s13*z3)/
    (16*s134*s14*s23*s34*z14) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/
    (32*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*s1234*z3)/(4*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s12^2*s1234*z3)/(16*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3)/(8*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/(32*s14*s23*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s124*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s134*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s124*s14*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s12*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s12*s134*s14*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s134*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s134*s23*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s134*s14*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s134*s14*s23*s34*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s124*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s124*s234*s34*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s134*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s134*s234*s34*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3)/
    (s124*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s24*z3)/(2*s124*s14*s234*s34*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s134*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z3)/(2*s134*s14*s234*s34*z14) + 
   (9*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s23*s234*s34*z14) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s23*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z3)/(8*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/(16*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(4*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s14*s23*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s12*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s12*s124*s14*s34*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z3)/
    (s124*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2*z3)/(2*s124*s14*s234*s34*z14) + 
   (5*CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(16*s14*s23*s234*s34*z14) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z3)/
    (s123*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z3)/(2*s123*s134*s14*z14) - (5*CA*(CA - 2*CF)*s1234*s34*z3)/
    (16*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z3)/
    (16*s123*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z3)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s123*s14*s23*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s134*s14*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s124*s23*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s124*s14*s23*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s123*s14*s23*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s124*s14*s34*z12*z14) + (CF*(-CA + 2*CF)*s1234*z3)/
    (2*s123^2*z23) - (CF*(-CA + 2*CF)*D*s1234*z3)/(4*s123^2*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s124*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/
    (2*s123*s124*z23) - (3*CA*(CA - 2*CF)*s1234*z3)/(16*s123*s14*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s124*s14*z23) + (CF*(-CA + 2*CF)*s12*s1234*z3)/(2*s123^2*s23*z23) - 
   (CF*(-CA + 2*CF)*D*s12*s1234*z3)/(4*s123^2*s23*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s123*s124*s23*z23) + (CF*(-CA + 2*CF)*s1234*s13*z3)/
    (2*s123^2*s23*z23) - (CF*(-CA + 2*CF)*D*s1234*s13*z3)/
    (4*s123^2*s23*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z3)/(s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z3)/
    (2*s123*s124*s23*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s123*s14*s23*z23) + (3*CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s12*s1234*z3)/
    (8*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s123*s14*s23*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (8*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s134*s14*s23*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*z3)/(s123*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*z3)/(s123*s234*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*z3)/(s124*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*z3)/(2*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*z3)/
    (16*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s14*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s12*s123*s124*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s123*s14*s23*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s23*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s134*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s14*s23*z23) + (CF*(-CA + 2*CF)*s1234*s24*z3)/
    (2*s23*s234^2*z23) - (CF*(-CA + 2*CF)*D*s1234*s24*z3)/
    (4*s23*s234^2*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*
     z3)/(s12*s124*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s23*s234*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (s123*s23*s234*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s124*s23*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24*z3)/(2*s124*s23*s234*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s134*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s134*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s14*s23*s234*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s124*s14*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z3)/(s12*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*z3)/
    (16*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s134*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s123*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s123*s23*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12^2*
     s1234*z3)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z3)/
    (s123*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s12^2*s1234*z3)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z3)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*z3)/(16*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s134*s234*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s134*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s123*s134*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s14*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s123*s23*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s24*z3)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z3)/
    (2*s123*s134*s23*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z3)/
    (2*s123*s134*s23*s34*z23) - (3*CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (16*s134*s14*s23*s34*z23) + (3*CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/
    (32*s134*s14*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s134*s14*s23*s34*z23) + (CF*(-CA + 2*CF)*s1234*s24*z3)/
    (2*s234^2*s34*z23) - (CF*(-CA + 2*CF)*D*s1234*s24*z3)/
    (4*s234^2*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s234*s34*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (s123*s234*s34*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s134*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s134*s234*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s14*s234*s34*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s23*s234*s34*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3)/(s123*s23*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z3)/
    (s123*s23*s234*s34*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s123*s23*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z3)/
    (s123*s23*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3)/(s134*s23*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z3)/(16*s14*s23*s234*s34*z23) + 
   (3*CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/(32*s14*s23*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s14*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(8*s14*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(8*s134*s14*s23*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s134*s14*s23*s34*z23) + 
   (CF*(-CA + 2*CF)*s1234*s24^2*z3)/(2*s23*s234^2*s34*z23) - 
   (CF*(-CA + 2*CF)*D*s1234*s24^2*z3)/(4*s23*s234^2*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s12*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s12*s23*s234*s34*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z3)/
    (s134*s23*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2*z3)/(2*s134*s23*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s14*s23*s234*s34*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s14*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z3)/(16*s123*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z3)/(16*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z3)/(16*s124*s14*s23*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z3)/
    (s123*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z3)/(s123*s23*s234*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z3)/
    (s124*s23*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z3)/(2*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z3)/
    (16*s12*s124*s14*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z3)/(s12*s124*s23*s234*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z3)/(16*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(16*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(4*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(16*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s12*s123*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z3)/(16*s134*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(32*s134*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3)/(16*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/(32*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3)/(8*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/(32*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(8*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3)/(16*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(8*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(8*s14*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(32*s14*s234*z14*z23) + 
   (7*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s12*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(16*s12*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(16*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(16*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(16*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(16*s14*s23*s234*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(16*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/(32*s134*s14*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12^2*s1234*z1*z3)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z1*z3)/(16*s134*s14*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z3)/(8*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(16*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3)/(8*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/(32*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(8*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(4*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(16*s14*s234*s34*z14*z23) + 
   (5*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(16*s134*s14*s23*s34*z14*z23) + 
   (5*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s14*s234*s34*z14*z23) - 
   (5*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/(4*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z3)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(4*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(4*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3)/(16*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3)/(16*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/(32*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3)/(8*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/(32*s124*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/(16*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z3)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z3)/(32*s12*s124*s14*s23*z14*z23) - 
   (CF*(-CA + 2*CF)*s1234*z2*z3)/(s123^2*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s12*s124*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2*z3)/
    (s123*s124*z12*z23) - (CF*(-CA + 2*CF)*s1234*s13*z2*z3)/
    (s12*s123^2*z12*z23) + (7*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s124*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (2*s12*s123*s14*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2*z3)/(s12*s123*s124*z12*z23) - 
   (CF*(-CA + 2*CF)*s12*s1234*z2*z3)/(2*s123^2*s23*z12*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z3)/(16*s124*s23*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z2*z3)/
    (s123*s124*s23*z12*z23) - (CF*(-CA + 2*CF)*s1234*s13*z2*z3)/
    (s123^2*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (4*s12*s124*s23*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2*z3)/(s123*s124*s23*z12*z23) - 
   (CF*(-CA + 2*CF)*s1234*s13^2*z2*z3)/(2*s12*s123^2*s23*z12*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/(16*s123*s14*s23*z12*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/(16*s124*s14*s23*z12*z23) + 
   (7*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(4*s124*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(4*s12*s123*s14*s23*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2*z3)/
    (s123*s124*s23*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2*z3)/(s12*s123*s124*s23*z12*z23) - 
   (CF*(-CA + 2*CF)*s1234*s23*z2*z3)/(2*s12*s123^2*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3)/(4*s12*s123*s14*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s12*s234*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2*z3)/
    (s123*s234*z12*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     z2*z3)/(s124*s234*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2*z3)/
    (s12*s123*s234*z12*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2*z3)/(s12*s124*s234*z12*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z3)/(16*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(4*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(4*s12*s23*s234*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z2*z3)/
    (s12*s123*s234*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2*z3)/(s12*s123*s124*z12*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s12*s123*s14*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(4*s12*s124*s14*z12*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s12*s124*s23*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2*z3)/
    (s123*s124*s23*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2*z3)/(s12*s123*s124*s23*z12*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s123*s14*s23*z12*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s124*s14*s23*z12*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(16*s12*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(4*s12*s124*s14*s23*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2*z3)/
    (s12*s123*s234*z12*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2*z3)/(s12*s124*s234*z12*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s12*s23*s234*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2*z3)/
    (s123*s23*s234*z12*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2*z3)/(s124*s23*s234*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2*z3)/
    (s12*s123*s23*s234*z12*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z2*z3)/
    (s12*s124*s23*s234*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s124*s14*s23*z12*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z2*z3)/
    (s12*s124*s23*s234*z12*z23) + (7*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (2*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s12*s123*s34*z12*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s123*s23*s34*z12*z23) + (7*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (4*s12*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (4*s12*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (4*s12*s123*s34*z12*z23) - (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (4*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (4*s12*s234*s34*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s123*s34*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s123*s23*s34*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s123*s23*s34*z12*z23) - (7*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s234*s34*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (4*s12*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (4*s12*s23*s234*s34*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s12*s123*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s12*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2*z3)/
    (8*s12*s123*s14*s23*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2*z3)/
    (s12*s123*s234*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2*z3)/(s123*s23*s234*z12*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2*z3)/
    (s124*s23*s234*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z2*z3)/(s12*s123*s23*s234*z12*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z2*z3)/
    (s12*s124*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z2*z3)/
    (8*s12*s124*s14*s23*z12*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z2*z3)/
    (s12*s124*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s12*s124*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (8*s12*s124*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s134*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s134*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s134*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s134*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s14*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s14*s234*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (4*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (16*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (16*s12*s124*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s12*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/
    (32*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s134*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (8*s134*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (16*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (16*s134*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s13*z2*z3)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z3)/
    (32*s134*s14*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (4*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (16*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12^2*s1234*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z3)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (8*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (16*s134*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s14*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (16*s12*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z2*z3)/
    (32*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*s34*z2*z3)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z2*z3)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34^2*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (4*s12*s124*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (8*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (4*s124*s14*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (8*s12*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (8*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (8*s12*s124*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2*z3)/
    (8*s123*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2*z3)/
    (8*s124*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (4*s123*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (8*s124*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z3)/
    (8*s12*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z2*z3)/
    (4*s12*s123*s14*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (8*s12*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (4*s12*s124*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (8*s12*s124*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (8*s123*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (4*s124*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/
    (8*s12*s123*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/(8*s12*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z3)/(8*s12*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(8*s12*s123*s14*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(8*s12*s124*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(8*s123*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(8*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2*z3)/(8*s12*s123*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2*z3)/(8*s12*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(32*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(8*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(32*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/(16*s12*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(32*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(32*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/(16*s12*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z3^2)/(8*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(16*s134*s14*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12^2*s1234*z3^2)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3^2)/(32*s134*s14*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z3^2)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3^2)/(32*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(4*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(16*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12^2*s1234*z3^2)/(8*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3^2)/(32*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3^2)/(8*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(16*s134*s14*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(4*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(16*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/(32*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z3^2)/(16*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z3^2)/(16*s12*s123*s14*s23*z14*z23) - 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s123*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s123*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s134*z34) - 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*z1)/(8*s123*s23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s124*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s124*s14*z34) - 
   (7*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s134*s14*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s134*s14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s124*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s124*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*z1)/
    (16*s12*s234*z34) + (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s234*z34) - 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s14*s234*z34) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s14*s234*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1)/(s124*s14*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s23*z1)/(2*s124*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s123*s34*z34) + (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*z1)/
    (16*s12*s123*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*z1)/(s123*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s123*s34*z34) - (CA*(CA - 2*CF)*s1234*s23*z1)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s134*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1)/(s124*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (2*s124*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z1)/
    (8*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/
    (32*s12*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s23*z1)/
    (16*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/
    (32*s12*s134*s14*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z1)/(s124*s134*s14*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z1)/
    (2*s124*s134*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s23^2*z1)/
    (16*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23^2*z1)/
    (16*s12*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1)/(s123*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s14*s234*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23^2*z1)/(s124*s14*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23^2*z1)/
    (2*s124*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s23*s24*z1)/
    (16*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/
    (16*s12*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s123*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s234*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z1)/(s124*s14*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z1)/
    (2*s124*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s12*s123*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (4*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (16*s12*s124*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (8*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1^2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (32*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s23*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23^2*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23^2*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23^2*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23^2*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z2)/
    (8*s12*s123*z34) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s123*z34) - 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s12*s124*z34) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s12*s124*z34) - (7*CA*(CA - 2*CF)*s1234*z2)/(16*s12*s134*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s134*z34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s124*s134*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/
    (2*s124*s134*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s134*s14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s124*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*z2)/
    (4*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*z2)/(16*s123*s23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s123*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s23*z34) + 
   (5*CA*(CA - 2*CF)*s1234*z2)/(16*s134*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s134*s23*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (4*s134*s14*s23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s123*s23*z34) - (5*CA*(CA - 2*CF)*s1234*s23*z2)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z2)/
    (16*s12*s124*s14*z34) + (CF*(-CA + 2*CF)*s1234*z2)/(2*s234^2*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z2)/(16*s12*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s234*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z2)/(16*s14*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s14*s234*z34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s124*s14*s234*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s124*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*z2)/
    (4*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*z2)/(16*s23*s234*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s23*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s23*s234*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s134*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (4*s12*s23*s234*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s134*s23*s234*z34) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z2)/
    (s124*s14*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z2)/(2*s124*s14*s234*z34) - (5*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s12*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s123*s23*z34) + (CF*(-CA + 2*CF)*s1234*s24*z2)/
    (2*s23*s234^2*z34) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z2)/(s124*s14*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24*z2)/(2*s124*s14*s234*z34) - (5*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s23*s234*z34) - (5*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s123*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s124*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s124*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s134*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s124*s134*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (2*s124*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s134*s14*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z2)/(s124*s134*s14*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z2)/
    (2*s124*s134*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13^2*z2)/(s123*s134*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (16*s12*s123*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2)/(s123*s134*s23*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z2)/(16*s12*s124*s14*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z2)/(16*s12*s124*s14*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s14*s234*s34*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z2)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z2)/
    (2*s124*s14*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s123*s23*s34*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (2*s124*s14*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s23*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s123*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s14*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(32*s14*s23*s234*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s124*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s124*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s134*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s134*s14*z34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s124*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s124*s134*s14*z34) - (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s123*s23*z34) + (5*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s134*s14*s23*z34) + (CF*(-CA + 2*CF)*s1234*s34*z2)/
    (2*s23*s234^2*z34) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z2)/(s124*s14*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s34*z2)/(2*s124*s14*s234*z34) - (5*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s23*s234*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s134*s23*s234*z34) - (5*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s14*s23*s234*z34) + (5*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s123*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s12*s123*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s124*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s12*s124*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s134*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s12*s134*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s124*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s124*s14*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s134*s14*z12*z34) - (9*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s134*s14*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s124*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (2*s12*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s12*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s124*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s124*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/
    (32*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z2)/
    (32*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s23*z1*z2)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z2)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23^2*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (32*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (2*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (8*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s12*s123*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (32*s12*s123*z12*z34) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s12*s124*z12*z34) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s124*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (4*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (16*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (8*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (32*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2^2)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s12*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (32*s12*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (16*s23*s234*z12*z34) - (5*CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (32*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (8*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/
    (32*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z2^2)/
    (16*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s12*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*z3)/
    (2*s12*s123*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/(8*s12*s123*z34) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s134*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(s123*s134*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s124*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s134*s14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s124*s134*s14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (2*s124*s134*s14*z34) + (3*CA*(CA - 2*CF)*s1234*z3)/(16*s123*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s134*s23*z34) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s134*s14*s23*z34) - (CF*(-CA + 2*CF)*s1234*z3)/(s234^2*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*z3)/(4*s234^2*z34) + (CA*(CA - 2*CF)*s1234*z3)/
    (2*s12*s234*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/(8*s12*s234*z34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(s123*s234*z34) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s134*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(s134*s234*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s124*s14*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s124*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*z3)/
    (16*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s23*s234*z34) - (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s134*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s124*s134*s14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24*z3)/(2*s124*s134*s14*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s23*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s14*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s124*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(8*s124*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(8*s12*s123*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s12*s123*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s134*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s124*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (2*s124*s134*s34*z34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3)/(s123*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z3)/
    (s123*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (8*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s134*s14*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z3)/(s124*s134*s14*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z3)/
    (2*s124*s134*s14*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s14*z3)/
    (8*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (8*s12*s123*s34*z34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z3)/(s123*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (s123*s134*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s123*s23*s34*z34) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s23*s34*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z3)/(s123*s134*s23*s34*z34) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z3)/(16*s134*s14*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/(32*s134*s14*s23*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s123*s23*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z3)/
    (s123*s134*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z3)/
    (2*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z3)/
    (8*s12*s123*s34*z34) - (CA*(CA - 2*CF)*s1234*s23*z3)/
    (4*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z3)/
    (16*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z3)/
    (8*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z3)/
    (16*s12*s134*s34*z34) - (5*CA*(CA - 2*CF)*s1234*s23*z3)/
    (16*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z3)/
    (16*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z3)/
    (8*s12*s134*s14*s34*z34) - (CF*(-CA + 2*CF)*s1234*s23*z3)/
    (s234^2*s34*z34) + (CF*(-CA + 2*CF)*D*s1234*s23*z3)/(4*s234^2*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s12*s234*s34*z34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3)/(s134*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z3)/
    (s134*s234*s34*z34) - (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z3)/
    (2*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (8*s12*s234*s34*z34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z3)/(s134*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (s134*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z3)/
    (2*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z3)/
    (8*s12*s234*s34*z34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z3)/(s123*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s23*z3)/(s123*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z3)/
    (s124*s14*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s23*z3)/(2*s124*s14*s234*s34*z34) + 
   (5*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s12*s123*s34*z34) - 
   (5*CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s123*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s12*s124*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s124*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s134*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s124*s134*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s124*s134*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s134*s14*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s124*s134*s14*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z3)/
    (2*s124*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s23*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (16*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z3)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z3)/
    (16*s12*s124*s14*s34*z34) - (CF*(-CA + 2*CF)*s1234*s24*z3)/
    (s234^2*s34*z34) + (CF*(-CA + 2*CF)*D*s1234*s24*z3)/(4*s234^2*s34*z34) + 
   (9*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s234*s34*z34) - 
   (5*CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s234*s34*z34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(s123*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s234*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3)/(s124*s14*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z3)/
    (2*s124*s14*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s23*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3)/(s123*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(4*s12*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(16*s12*s23*s234*s34*z34) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z3)/(16*s14*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/(32*s14*s23*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z3)/
    (s124*s14*s234*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s24*z3)/(2*s124*s14*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s12*s124*s14*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(16*s12*s124*s14*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(8*s12*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s12*s123*s23*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z3)/
    (s124*s14*s234*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2*z3)/(2*s124*s14*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s12*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s12*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s14*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s14*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(8*s12*s123*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(16*s12*s123*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(4*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(16*s124*s14*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z3)/(8*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(16*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(8*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(8*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(4*s12*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(16*s12*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(2*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(8*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(8*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(32*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s12*s123*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z3)/(16*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(32*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(32*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(16*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(32*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z3)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(32*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z3)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z1*z3)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s12*s124*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/(32*s12*s124*s14*s34*z12*z34) - 
   (9*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/(32*s12*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z3)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z3)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/(32*s12*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(16*s12*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z2*z3)/(16*s12*s123*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(32*s12*s123*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s12*s124*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(16*s12*s134*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s134*s14*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s134*s14*z12*z34) + 
   (5*CA*(CA - 2*CF)*s1234*z2*z3)/(8*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(8*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(32*s12*s123*s23*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/(16*s12*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(32*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3)/(16*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s12*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(32*s12*s234*z12*z34) + 
   (5*CA*(CA - 2*CF)*s1234*z2*z3)/(8*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(8*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(32*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(32*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s12*s134*s14*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s12*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(32*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(32*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(32*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(16*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(32*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s134*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/(32*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z3)/(32*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2*z3)/(16*s12*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z2*z3)/(16*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(32*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(32*s12*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/(32*s12*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z3)/(32*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(32*s12*s123*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s12*s134*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(32*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/(8*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z2*z3)/(32*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z2*z3)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(32*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(32*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z2*z3)/(32*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/(8*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/(32*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/(32*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s134*s14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s12*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s14*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s134*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s134*s14*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(16*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(16*s12*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(16*s14*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s12*s123*s23*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s12*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(8*s12*s23*s234*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z3)/(16*s12*s123*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z2*z3)/
    (s123*s134*z23*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s134*s14*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z3)/(16*s123*s23*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s123*s23*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z3)/(16*s134*s23*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z2*z3)/
    (s123*s134*s23*z23*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2*z3)/(s123*s134*s23*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(8*s134*s14*s23*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s134*s14*s23*z23*z34) - 
   (CF*(-CA + 2*CF)*s1234*z2*z3)/(s234^2*z23*z34) + 
   (7*CA*(CA - 2*CF)*s1234*z2*z3)/(16*s12*s234*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2*z3)/
    (s123*s234*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     z2*z3)/(s134*s234*z23*z34) + (7*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s14*s234*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z2*z3)/(s123*s23*s234*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s23*s234*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2*z3)/
    (s123*s23*s234*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2*z3)/(s134*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(8*s14*s23*s234*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s14*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(4*s12*s23*s234*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2*z3)/
    (s134*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (4*s134*s14*s23*z23*z34) - (CF*(-CA + 2*CF)*s1234*s24*z2*z3)/
    (s23*s234^2*z23*z34) + (7*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s23*s234*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2*z3)/(s134*s23*s234*z23*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s123*s34*z23*z34) - 
   (7*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s134*s34*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2*z3)/
    (s123*s134*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (4*s134*s14*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s12*s123*s34*z23*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2*z3)/(s123*s134*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s123*s23*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(16*s12*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(8*s134*s23*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s134*s23*s34*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z2*z3)/
    (s123*s134*s23*s34*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z2*z3)/
    (s123*s134*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s12*s1234*s13*z2*z3)/
    (8*s134*s14*s23*s34*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (16*s134*s14*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (4*s12*s123*s23*s34*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z2*z3)/
    (s123*s134*s23*s34*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2*z3)/
    (s123*s134*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (4*s12*s123*s34*z23*z34) - (CF*(-CA + 2*CF)*s1234*s23*z2*z3)/
    (2*s234^2*s34*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z2*z3)/(s123*s234*s34*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s234*s34*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2*z3)/
    (s123*s234*s34*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2*z3)/(s134*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(8*s14*s234*s34*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s14*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(4*s12*s234*s34*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2*z3)/
    (s134*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (4*s12*s234*s34*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z2*z3)/(s123*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3)/(4*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(4*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(4*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(4*s12*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(4*s134*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(4*s134*s14*s23*s34*z23*z34) - 
   (CF*(-CA + 2*CF)*s1234*s24*z2*z3)/(s234^2*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(2*s12*s234*s34*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2*z3)/
    (s123*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (2*s14*s234*s34*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s24*z2*z3)/(s123*s23*s234*s34*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(16*s12*s23*s234*s34*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2*z3)/
    (s123*s23*s234*s34*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2*z3)/
    (s134*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s12*s1234*s24*z2*z3)/
    (8*s14*s23*s234*s34*z23*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s14*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (4*s12*s23*s234*s34*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z2*z3)/
    (s134*s23*s234*s34*z23*z34) - (CF*(-CA + 2*CF)*s1234*s24^2*z2*z3)/
    (2*s23*s234^2*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (4*s12*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (4*s14*s23*s234*s34*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s134*s14*s23*z23*z34) - (CF*(-CA + 2*CF)*s1234*s34*z2*z3)/
    (2*s23*s234^2*z23*z34) + (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s12*s23*s234*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2*z3)/(s134*s23*s234*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/(16*s14*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z3)/(4*s12*s123*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z3)/(4*s123*s23*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/(4*s12*s123*s23*z12*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z2*z3)/(8*s12*s234*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/(8*s12*s23*s234*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/(8*s12*s23*s234*z12*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/(8*s12*s23*s234*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z3)/(8*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/(4*s12*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/(8*s12*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/(8*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z3)/(8*s12*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/(8*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1*z2*z3)/(8*s12*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z3)/(8*s12*s123*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/(8*s12*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/(8*s12*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z3)/(8*s12*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/(8*s12*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/(8*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/(8*s12*s123*s23*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/(4*s12*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/(8*s12*s23*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z2*z3)/(8*s12*s23*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z3)/(8*s12*s23*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(4*s12*s23*s234*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(16*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(4*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(16*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(32*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/(32*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3^2)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(32*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(8*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/(32*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(8*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/(32*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s12*s134*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/(16*s12*s134*s14*s34*z12*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(32*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/(32*s12*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3^2)/(32*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z3^2)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/(32*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3^2)/(32*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/(16*s12*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3^2)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/(32*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/(32*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s12*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3^2)/(16*s134*s14*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/(16*s12*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s134*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/(16*s134*s14*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s12*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s14*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/(16*s14*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/(16*s12*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/(16*s14*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s12*s124*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s12*s124*z12) - (CA*(CA - 2*CF)*s1234*z4)/(16*s123*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s124*s14*z12) - (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s12*s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s12*s124*s134*z12) - (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s123*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (2*s123*s134*s14*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s124*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (2*s124*s134*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z4)/(s12*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z4)/
    (2*s12*s123*s134*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23^2*z4)/(s12*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23^2*z4)/
    (2*s12*s123*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*z4)/(s123*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*z4)/(s124*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s12*s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s14*z4)/
    (s12*s124*s234*z12) - (CA*(CA - 2*CF)*s1234*z4)/(8*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s12*s123*s234*z12) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s12*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s124*s14*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z4)/(s12*s124*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z4)/
    (2*s12*s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s12*s124*s234*z12) - (CA*(CA - 2*CF)*s1234*z4)/
    (16*s123*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s123*s23*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s134*s34*z12) - 
   (7*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s134*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z4)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/(16*s12*s134*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s23^2*z4)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z4)/(16*s12*s134*s14*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z4)/(16*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z4)/(16*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/(32*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z4)/(8*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/(32*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s12*s123*z14) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s12*s123*z14) + (CA*(CA - 2*CF)*s1234*z4)/(16*s12*s124*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s124*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(8*s123*s14*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s14*z14) - 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s14*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s14*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s14*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s134*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(4*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s134*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s134*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s134*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s14*s234*z14) + (3*CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s14*s234*z14) + (CA*(CA - 2*CF)*s12*s1234*z4)/(8*s14*s23*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s134*s14*s234*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s134*s14*s234*z14) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s12*s123*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s123*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s12*s124*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s134*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s134*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s14*s23*s234*z14) + (CA*(CA - 2*CF)*s1234*z4)/(16*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4)/(4*s134*s14*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/(16*s134*s14*s23*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s124*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s124*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(16*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4)/(16*s12*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/(32*s12*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s234*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s14*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s124*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s124*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s134*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s134*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z4)/
    (s124*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s23*z4)/(2*s124*s14*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z4)/
    (s134*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s23*z4)/(2*s134*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(4*s134*s14*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s134*s14*s23*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z4)/(16*s12*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/(32*s12*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(16*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(4*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s14*s23*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z4)/
    (s124*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s24*z4)/(2*s124*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z4)/(16*s12*s123*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z4)/(4*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z4)/(16*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z4)/(8*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z4)/(8*s12*s124*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z4)/(16*s12*s124*z12*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z4)/(16*s123*s14*z12*z14) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z4)/(16*s124*s14*z12*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s12*s123*s14*z12*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s123*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s134*s14*z12*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s124*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s124*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s134*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s124*s14*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(16*s12*s134*s14*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/(16*s12*s124*s14*s34*z12*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s123*s124*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s12*s123*s124*z23) - (3*CA*(CA - 2*CF)*s1234*z4)/(16*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s134*s14*z23) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s134*s14*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*
     z4)/(s12*s123*s124*z23) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s123*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s123*s14*z23) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s124*s14*z23) - (CF*(-CA + 2*CF)*s1234*z4)/(2*s234^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*z4)/(4*s234^2*z23) - (CA*(CA - 2*CF)*s1234*z4)/
    (16*s12*s234*z23) - (CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s234*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s134*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z4)/(2*s134*s234*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s14*s234*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s14*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s12*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s12*s124*s14*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s12*s124*s234*z23) + (CA*(CA - 2*CF)*s1234*z4)/
    (16*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s34*z23) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s134*s34*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s123*s134*s34*z23) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s134*s34*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s123*s134*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (16*s134*s14*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s123*s34*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s123*s134*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (2*s123*s134*s34*z23) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s134*s14*s34*z23) - (CF*(-CA + 2*CF)*s1234*s23*z4)/
    (2*s234^2*s34*z23) + (CF*(-CA + 2*CF)*D*s1234*s23*z4)/
    (4*s234^2*s34*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s123*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z4)/
    (s123*s234*s34*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s123*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (s123*s234*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (16*s14*s234*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (8*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s234*s34*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s123*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (s123*s234*s34*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z4)/(s134*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s23*z4)/(2*s134*s234*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s14*s234*s34*z23) - (3*CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s134*s14*s34*z23) - (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (2*s234^2*s34*z23) + (CF*(-CA + 2*CF)*D*s1234*s24*z4)/
    (4*s234^2*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s12*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s234*s34*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s134*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (2*s134*s234*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s14*s234*s34*z23) - (3*CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s34*z4)/
    (16*s12*s124*s14*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s34*z4)/(s12*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s134*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s134*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s14*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s14*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s12*s124*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s123*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s124*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (16*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s12*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s124*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s123*s34*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s12*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (16*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (16*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s12*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s124*s14*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s123*s14*z14*z23) - (5*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s12*s123*s14*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (4*s134*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s134*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (4*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (4*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (16*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (16*s12*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s14*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s14*s234*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (4*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s14*s234*s34*z14*z23) + (7*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s14*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (8*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s14*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (4*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z2*z4)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34^2*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (5*CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s134*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (32*s134*s14*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s14*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (32*s14*s234*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (7*CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (16*s134*s14*s34*z14*z23) + (3*CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/
    (32*s134*s14*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (32*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12^2*s1234*z3*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z3*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (2*s14*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/
    (32*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (32*s14*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12^2*s1234*z3*z4)/
    (32*s14*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z3*z4)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (4*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/
    (32*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z3*z4)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z3*z4)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z3*z4)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z3*z4)/
    (16*s12*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z4)/
    (16*s12*s123*z34) - (CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s123*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s124*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s124*s14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s134*s14*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s124*s134*s14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s124*s134*s14*z34) - (CF*(-CA + 2*CF)*s1234*z4)/
    (2*s234^2*z34) + (5*CA*(CA - 2*CF)*s1234*z4)/(16*s12*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s234*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s134*s234*z34) + 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s14*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s14*s234*z34) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s124*s14*s234*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s124*s14*s234*z34) - (CA*(CA - 2*CF)*s1234*z4)/
    (4*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*z4)/(16*s123*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s34*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s134*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s134*s14*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s134*s14*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z4)/(16*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s12*s123*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(4*s12*s124*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s124*s34*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s134*s34*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s134*s34*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s124*s134*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s124*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (4*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/
    (32*s12*s124*s14*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (16*s12*s134*s14*s34*z34) - (3*CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/
    (32*s12*s134*s14*s34*z34) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z4)/(s124*s134*s14*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z4)/
    (2*s124*s134*s14*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s23^2*z4)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23^2*z4)/
    (16*s12*s124*s14*s34*z34) - (CF*(-CA + 2*CF)*s1234*s23*z4)/
    (2*s234^2*s34*z34) - (CA*(CA - 2*CF)*s1234*z4)/(4*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s234*s34*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s134*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z4)/
    (4*s12*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z4)/(s134*s234*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s234*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s14*s234*s34*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23^2*z4)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23^2*z4)/
    (2*s124*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s123*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s134*s14*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s23*s24*z4)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/
    (16*s12*s124*s14*s34*z34) - (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (2*s234^2*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s234*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s14*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s23*s234*s34*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z4)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z4)/
    (2*s124*s14*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (4*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s12*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s123*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (16*s12*s124*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (4*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (16*s124*s14*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (16*s134*s14*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23^2*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23^2*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s123*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s134*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s134*s14*z14*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s14*s234*z14*z34) + (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s134*s34*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s134*s14*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s124*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s134*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s124*s14*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (16*s12*s134*s14*s34*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s14*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (16*s12*s124*s14*s34*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s14*s234*s34*z14*z34) - (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s12*s124*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s12*s124*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s12*s134*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s12*s134*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s124*s14*z12*z34) - (9*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s124*s14*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (4*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s12*s134*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (8*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (32*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s12*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s23*s234*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (16*s12*s23*s234*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (4*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s12*s123*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s12*s134*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (2*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (8*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (8*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z2*z4)/
    (32*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/
    (8*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z2*z4)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23^2*z2*z4)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/
    (32*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (32*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s12*s123*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z2*z4)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s12*s124*z14*z34) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s12*s134*z14*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s124*s14*z14*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s134*s23*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s134*s14*s23*z14*z34) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s14*s234*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s14*s23*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s124*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s14*s23*s234*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s124*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s134*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s124*s14*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s12*s134*s14*s34*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s134*s23*s34*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s134*s14*s23*s34*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s14*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s12*s124*s14*s34*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s14*s23*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s12*s134*s14*z14*z34) - (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s134*s14*s23*z14*z34) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s14*s23*s234*z14*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (4*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (2*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s123*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (32*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (32*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (2*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/
    (8*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (32*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (32*s134*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (4*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (8*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (16*s12*s134*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (16*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/
    (32*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/
    (32*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z3*z4)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23^2*z3*z4)/
    (16*s12*s134*s14*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (16*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/
    (32*s12*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s12*s123*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s12*s134*s34*z12*z34) - (9*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/
    (32*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s134*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (8*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s123*s23*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*s24*z3*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z3*z4)/
    (32*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z3*z4)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z3*z4)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z3*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/
    (32*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (8*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s134*s14*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (16*s134*s14*s23*z14*z34) - (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s12*s134*s14*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (16*s14*s23*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s134*s14*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s134*s14*s23*z14*z34) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s14*s23*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s124*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s134*s34*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (16*s124*s14*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s134*s14*s34*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (16*s134*s23*s34*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/
    (16*s134*s14*s23*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s12*s124*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s12*s134*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s124*s14*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z3*z4)/
    (8*s12*s134*s14*s34*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (16*s14*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s124*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s134*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s12*s134*s14*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s134*s23*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s134*s14*s23*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z3*z4)/
    (8*s12*s124*s14*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s14*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/
    (16*s14*s23*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (16*s12*s124*s14*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (16*s14*s23*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s134*s14*z23*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s12*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s14*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s123*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s12*s123*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s134*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s134*s14*s34*z23*z34) - (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (8*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s123*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (16*s12*s123*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (16*s12*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (16*s14*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s14*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3*z4)/
    (8*s12*s234*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3*z4)/
    (4*s23*s234*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/
    (8*s12*s23*s234*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/
    (8*s12*s23*s234*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/
    (8*s12*s23*s234*z12*z23*z34) - (3*CA*(CA - 2*CF)*s1234*z2*z3*z4)/
    (8*s123*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/
    (4*s12*s123*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/
    (8*s12*s123*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/
    (4*s123*s23*s34*z12*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/
    (8*s123*s23*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z3*z4)/
    (8*s12*s123*s23*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/
    (8*s123*s23*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3*z4)/
    (8*s12*s123*s23*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s23*z2*z3*z4)/
    (8*s12*s123*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3*z4)/
    (4*s234*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/
    (8*s12*s234*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/
    (8*s12*s234*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z3*z4)/
    (8*s12*s234*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/
    (8*s12*s123*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/
    (8*s123*s23*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/
    (8*s12*s123*s23*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/
    (4*s12*s234*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/
    (4*s23*s234*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/
    (8*s12*s23*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3*z4)/(8*s12*s23*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3*z4)/(8*s12*s23*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(4*s134*s14*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(8*s134*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(8*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(4*s134*s14*s23*z14*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z3*z4)/(8*s14*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(8*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s134*s14*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(4*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(4*s134*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(4*s134*s14*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(8*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z2*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(8*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3*z4)/(4*s14*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z2*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3*z4)/(8*s134*s14*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3*z4)/(8*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s134*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(32*s134*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s14*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(32*s14*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(32*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(4*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(32*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(16*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(8*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(32*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(32*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z4^2)/(16*s12*s124*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(32*s12*s134*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(16*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4^2)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(4*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4^2)/(32*s12*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23^2*z4^2)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z4^2)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z4^2)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z4^2)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z4^2)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z4^2)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4^2)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z4^2)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4^2)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s14*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(16*s12*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s14*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z4^2)/(16*s12*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s14*s234*s34*z14*z34)) + 
 k4k1*((CF*(-CA + 2*CF)*s1234)/s123^2 - (3*CF*(-CA + 2*CF)*D*s1234)/
    (4*s123^2) + (CF*(-CA + 2*CF)*D^2*s1234)/(8*s123^2) - 
   (3*CA*(CA - 2*CF)*s1234)/(4*s12*s123) + (3*CA*(CA - 2*CF)*D*s1234)/
    (8*s12*s123) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s12*s123) - 
   (CA*(CA - 2*CF)*s1234)/(2*s12*s124) + (5*CA*(CA - 2*CF)*D*s1234)/
    (16*s12*s124) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s12*s124) - 
   (2*CF*(-CA + 2*CF)*s1234*s13)/(s12*s123^2) + 
   (5*CF*(-CA + 2*CF)*D*s1234*s13)/(4*s12*s123^2) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s13)/(8*s12*s123^2) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s12*s123*s124) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s12*s123*s124) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s12*s123*s124) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234)/(s123*s134) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234)/(s123*s134) + (5*CA*(CA - 2*CF)*s1234)/(4*s123*s14) - 
   (7*CA*(CA - 2*CF)*D*s1234)/(16*s123*s14) + (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s123*s14) + (7*CA*(CA - 2*CF)*s1234)/(4*s124*s14) - 
   (5*CA*(CA - 2*CF)*D*s1234)/(8*s124*s14) + (CA*(CA - 2*CF)*D^2*s1234)/
    (16*s124*s14) - (5*CA*(CA - 2*CF)*s1234*s13)/(8*s12*s123*s14) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s123*s14) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s124*s14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s124*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s124*s14) + (7*CA*(CA - 2*CF)*s1234)/(4*s134*s14) - 
   (5*CA*(CA - 2*CF)*D*s1234)/(8*s134*s14) + (CA*(CA - 2*CF)*D^2*s1234)/
    (16*s134*s14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234)/(s124*s134*s14) + (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s123*s134*s14) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s134*s14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s134*s14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s12*s123*s124) + (CA*(CA - 2*CF)*D*s1234)/(16*s123*s23) - 
   (CF*(-CA + 2*CF)*s1234*s13)/(s123^2*s23) + (CF*(-CA + 2*CF)*D*s1234*s13)/
    (2*s123^2*s23) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/
    (s123*s124*s23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s124*s23) + (3*CA*(CA - 2*CF)*s1234*s13)/(8*s123*s14*s23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13)/(16*s123*s14*s23) + 
   (CA*(CA - 2*CF)*s1234*s13)/(4*s124*s14*s23) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (16*s124*s14*s23) - (CA*(CA - 2*CF)*D*s12*s1234)/(16*s134*s14*s23) - 
   (CF*(-CA + 2*CF)*s1234*s23)/(s12*s123^2) + (3*CF*(-CA + 2*CF)*D*s1234*s23)/
    (4*s12*s123^2) - (CF*(-CA + 2*CF)*D^2*s1234*s23)/(8*s12*s123^2) - 
   (26*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s12*s123*s124) + 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s12*s123*s124) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(s12*s123*s124) - (16*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23)/(s12*s123*s134) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s12*s123*s134) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(2*s12*s123*s134) - (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23)/(s12*s124*s134) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s12*s124*s134) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(2*s12*s124*s134) + (CA*(CA - 2*CF)*s1234*s23)/(4*s12*s134*s14) - 
   (CA*(CA - 2*CF)*D*s1234*s23)/(16*s12*s134*s14) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s123*s134*s14) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s123*s134*s14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(2*s123*s134*s14) + (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23)/(s124*s134*s14) - 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s124*s134*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(s124*s134*s14) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23)/(s12*s123*s134*s14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23)/
    (s12*s123*s134*s14) + (CF*(-CA + 2*CF)*s1234)/s234^2 - 
   (3*CF*(-CA + 2*CF)*D*s1234)/(4*s234^2) + (CF*(-CA + 2*CF)*D^2*s1234)/
    (8*s234^2) - (CA*(CA - 2*CF)*s1234)/(4*s12*s234) + 
   (3*CA*(CA - 2*CF)*D*s1234)/(16*s12*s234) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s12*s234) + (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s123*s234) - (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s123*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234)/
    (s123*s234) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s124*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s124*s234) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/
    (s12*s123*s234) + (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13)/(s12*s123*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13)/(2*s12*s123*s234) - 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s12*s124*s234) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s12*s124*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s12*s124*s234) + (5*CA*(CA - 2*CF)*s1234)/(4*s14*s234) - 
   (7*CA*(CA - 2*CF)*D*s1234)/(16*s14*s234) + (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s14*s234) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s124*s14*s234) - (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234)/(s124*s14*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*
     s12*s1234)/(2*s124*s14*s234) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s134*s14*s234) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s12*s123*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/(s12*s123*s234) - 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s12*s124*s234) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/(s12*s124*s234) + 
   (CA*(CA - 2*CF)*D*s1234)/(16*s23*s234) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s123*s23*s234) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234)/(s123*s23*s234) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s134*s23*s234) + 
   (3*CA*(CA - 2*CF)*s12*s1234)/(4*s14*s23*s234) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234)/(8*s14*s23*s234) + 
   (CA*(CA - 2*CF)*D^2*s12*s1234)/(32*s14*s23*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s12*s123*s234) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s12*s123*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(2*s12*s123*s234) - (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23)/(s12*s124*s234) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s12*s124*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(2*s12*s124*s234) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23)/(s124*s14*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s124*s14*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(2*s124*s14*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s12*s123*s124) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24)/(s12*s123*s124) - (CA*(CA - 2*CF)*s1234*s24)/
    (2*s12*s123*s14) + (CA*(CA - 2*CF)*D*s1234*s24)/(4*s12*s123*s14) - 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(32*s12*s123*s14) - 
   (CA*(CA - 2*CF)*s1234*s24)/(4*s12*s124*s14) + 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s123*s124*s14) - (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24)/(s12*s123*s124*s14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24)/
    (2*s12*s123*s124*s14) + (CA*(CA - 2*CF)*s1234*s24)/(2*s12*s134*s14) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(4*s12*s134*s14) + 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(32*s12*s134*s14) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s123*s134*s14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s123*s134*s14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s124*s134*s14) - (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s123*s14*s23) + (3*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s12*s123*s14*s23) - (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s12*s123*s14*s23) + (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s124*s14*s23) - (CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s12*s124*s14*s23) + (CA*(CA - 2*CF)*s1234*s24)/(4*s134*s14*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s134*s14*s23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24)/
    (s12*s123*s124*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*s24)/(s12*s123*s124*s14) - 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24)/
    (s12*s123*s134*s14) + (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s24)/(s12*s123*s134*s14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s23*s24)/
    (2*s12*s123*s134*s14) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24)/(s12*s124*s134*s14) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24)/
    (s12*s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s23*s24)/(2*s12*s124*s134*s14) - (CF*(-CA + 2*CF)*s1234*s24)/
    (s23*s234^2) + (CF*(-CA + 2*CF)*D*s1234*s24)/(2*s23*s234^2) - 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s12*s124*s234) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/(s12*s124*s234) + 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s124*s14*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s124*s14*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s124*s14*s234) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s134*s14*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s134*s14*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s134*s14*s234) - (CA*(CA - 2*CF)*s1234*s24)/(8*s12*s23*s234) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s23*s234) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s123*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s123*s23*s234) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s124*s23*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s124*s23*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s134*s23*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/(s134*s23*s234) + 
   (3*CA*(CA - 2*CF)*s1234*s24)/(8*s14*s23*s234) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24)/(16*s14*s23*s234) - 
   (CA*(CA - 2*CF)*s1234)/(4*s123*s34) + (3*CA*(CA - 2*CF)*D*s1234)/
    (16*s123*s34) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s123*s34) - 
   (5*CA*(CA - 2*CF)*s1234*s13)/(8*s12*s123*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s123*s34) - 
   (CA*(CA - 2*CF)*s1234)/(2*s134*s34) + (5*CA*(CA - 2*CF)*D*s1234)/
    (16*s134*s34) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s134*s34) - 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s134*s34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/(s123*s134*s34) + 
   (CA*(CA - 2*CF)*s1234*s13)/(2*s124*s14*s34) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (4*s124*s14*s34) + (CA*(CA - 2*CF)*D^2*s1234*s13)/(32*s124*s14*s34) - 
   (CA*(CA - 2*CF)*s1234*s13)/(4*s134*s14*s34) - (CA*(CA - 2*CF)*s1234*s14)/
    (4*s12*s123*s34) - (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14)/(s123*s134*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14)/(s123*s134*s34) - (CA*(CA - 2*CF)*s1234*s13)/
    (8*s123*s23*s34) - (CA*(CA - 2*CF)*D*s1234*s13)/(16*s123*s23*s34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13)/
    (s123*s134*s23*s34) - (CA*(CA - 2*CF)*s12*s1234*s13)/
    (8*s134*s14*s23*s34) - (CA*(CA - 2*CF)*s1234*s23)/(s12*s123*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s23)/(4*s12*s123*s34) - 
   (3*CA*(CA - 2*CF)*s1234*s23)/(2*s12*s124*s34) + 
   (7*CA*(CA - 2*CF)*D*s1234*s23)/(16*s12*s124*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s23)/(32*s12*s124*s34) - 
   (3*CA*(CA - 2*CF)*s1234*s23)/(2*s12*s134*s34) + 
   (7*CA*(CA - 2*CF)*D*s1234*s23)/(16*s12*s134*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s23)/(32*s12*s134*s34) - 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s123*s134*s34) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s123*s134*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(2*s123*s134*s34) - (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23)/(s124*s134*s34) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s124*s134*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(2*s124*s134*s34) + (CA*(CA - 2*CF)*s1234*s23)/(4*s124*s14*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s23)/(16*s124*s14*s34) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s23)/(8*s12*s134*s14*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23)/(8*s12*s134*s14*s34) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23)/
    (s124*s134*s14*s34) + (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s23)/(s124*s134*s14*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s23)/
    (2*s124*s134*s14*s34) - (CF*(-CA + 2*CF)*s1234*s23)/(s234^2*s34) + 
   (3*CF*(-CA + 2*CF)*D*s1234*s23)/(4*s234^2*s34) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s23)/(8*s234^2*s34) - 
   (3*CA*(CA - 2*CF)*s1234)/(4*s234*s34) + (3*CA*(CA - 2*CF)*D*s1234)/
    (8*s234*s34) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s234*s34) - 
   (CA*(CA - 2*CF)*s1234*s13)/(4*s12*s234*s34) + (CA*(CA - 2*CF)*D*s1234*s13)/
    (16*s12*s234*s34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13)/(s134*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13)/(s134*s234*s34) + (CA*(CA - 2*CF)*s12*s1234)/
    (4*s14*s234*s34) - (CA*(CA - 2*CF)*D*s12*s1234)/(16*s14*s234*s34) - 
   (CA*(CA - 2*CF)*s1234*s13)/(2*s14*s234*s34) + (CA*(CA - 2*CF)*D*s1234*s13)/
    (4*s14*s234*s34) - (CA*(CA - 2*CF)*D^2*s1234*s13)/(32*s14*s234*s34) - 
   (CA*(CA - 2*CF)*s1234*s14)/(4*s12*s234*s34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/(s123*s234*s34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s134*s234*s34) - 
   (CA*(CA - 2*CF)*s1234*s23)/(s12*s234*s34) + (CA*(CA - 2*CF)*D*s1234*s23)/
    (4*s12*s234*s34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23)/(s123*s234*s34) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23)/(s123*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s23)/(2*s123*s234*s34) - 
   (16*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s124*s234*s34) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s124*s234*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(2*s124*s234*s34) - (26*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23)/(s134*s234*s34) + 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s134*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(s134*s234*s34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s23)/(s124*s14*s234*s34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s23)/
    (s124*s14*s234*s34) - (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23)/(s124*s14*s234*s34) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23)/
    (s124*s14*s234*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s23)/(2*s124*s14*s234*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23)/
    (s134*s14*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s23)/(s134*s14*s234*s34) - (CA*(CA - 2*CF)*s1234*s24)/
    (4*s12*s123*s34) + (CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s123*s34) - 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s134*s34) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s123*s134*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s123*s134*s34) + (7*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s124*s14*s34) - (5*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s12*s124*s14*s34) + (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s12*s124*s14*s34) + (7*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s134*s14*s34) - (5*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s12*s134*s14*s34) + (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s12*s134*s14*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s124*s134*s14*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s124*s134*s14*s34) + (CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s123*s23*s34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s123*s134*s23*s34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s123*s134*s23*s34) + (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s134*s14*s23*s34) - (CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s134*s14*s23*s34) - (5*CA*(CA - 2*CF)*s1234*s23*s24)/
    (8*s12*s124*s14*s34) + (CA*(CA - 2*CF)*D*s1234*s23*s24)/
    (8*s12*s124*s14*s34) - (2*CF*(-CA + 2*CF)*s1234*s24)/(s234^2*s34) + 
   (5*CF*(-CA + 2*CF)*D*s1234*s24)/(4*s234^2*s34) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s24)/(8*s234^2*s34) - 
   (5*CA*(CA - 2*CF)*s1234*s24)/(8*s12*s234*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s234*s34) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s234*s34) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s123*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s123*s234*s34) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s134*s234*s34) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s134*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s134*s234*s34) - (5*CA*(CA - 2*CF)*s1234*s24)/(8*s14*s234*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s14*s234*s34) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s124*s14*s234*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s124*s14*s234*s34) + 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s134*s14*s234*s34) - (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24)/(s134*s14*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24)/
    (2*s134*s14*s234*s34) + (CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s23*s234*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s123*s23*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s123*s23*s234*s34) - (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s14*s23*s234*s34) + (3*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s14*s23*s234*s34) - (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s14*s23*s234*s34) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24)/(s124*s14*s234*s34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24)/
    (s124*s14*s234*s34) + (CA*(CA - 2*CF)*s1234*s34)/(4*s12*s123*s14) - 
   (CA*(CA - 2*CF)*D*s1234*s34)/(16*s12*s123*s14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s124*s14) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s134*s14) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s123*s134*s14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s123*s134*s14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34)/(s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D*s1234*s34)/(s124*s134*s14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s124*s23) + 
   (3*CA*(CA - 2*CF)*s1234*s34)/(4*s123*s14*s23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s34)/(8*s123*s14*s23) + 
   (CA*(CA - 2*CF)*D^2*s1234*s34)/(32*s123*s14*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s34)/(16*s124*s14*s23) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s34)/
    (s12*s123*s134*s14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*s34)/(s12*s123*s134*s14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s23*s234) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34)/(s123*s23*s234) - 
   (CA*(CA - 2*CF)*s1234*s24*s34)/(8*s12*s124*s14*s23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34)/
    (s12*s124*s23*s234) - (CF*(-CA + 2*CF)*s1234*z1)/(2*s123^2*z12) - 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s123*z12) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s12*s123*z12) - (5*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s124*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s124*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s124*z12) - 
   (CF*(-CA + 2*CF)*s1234*s13*z1)/(2*s12*s123^2*z12) + 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s123*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s14*z12) - 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s124*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s124*s14*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z1)/
    (s12*s123*s124*z12) - (CF*(-CA + 2*CF)*s1234*s23*z1)/(2*s12*s123^2*z12) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s12*s124*s134*z12) + (5*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s123*s14*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (2*s123*s134*s14*z12) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1)/(s124*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (2*s124*s134*s14*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z1)/(s12*s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z1)/
    (2*s12*s123*s134*s14*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23^2*z1)/(s12*s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23^2*z1)/
    (2*s12*s123*s134*s14*z12) - (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s234*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s12*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s123*s124*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s14*z12) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z1)/(s12*s124*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z1)/
    (2*s12*s124*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s23*s234*z12) + (5*CA*(CA - 2*CF)*s1234*z1)/(16*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(4*s12*s123*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s123*s34*z12) + 
   (7*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s124*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(4*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(16*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s134*s14*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s13*s23*z1)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/(16*s12*s134*s14*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s23^2*z1)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z1)/(16*s12*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*z1)/(16*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(8*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s123*s23*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s23*s24*z1)/(16*s12*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(32*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1)/(4*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(32*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s12*s123*z14) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s12*s123*z14) + (CA*(CA - 2*CF)*s1234*z1)/(16*s12*s124*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s124*z14) - 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s123*s14*z14) + (3*CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s123*s14*z14) - (3*CA*(CA - 2*CF)*s1234*z1)/(16*s124*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s124*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s123*s14*z14) - 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s134*s14*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(8*s134*s14*s23*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s12*s123*s124*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s12*s123*s134*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s134*s14*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*z1)/(s12*s123*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z1)/
    (2*s12*s123*s134*s14*z14) - (3*CA*(CA - 2*CF)*s1234*z1)/
    (8*s14*s234*z14) + (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s14*s234*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(4*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z1)/(16*s14*s23*s234*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s12*s123*s14*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s123*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s124*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s124*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(4*s12*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(4*s12*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s134*s14*s23*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1)/
    (s12*s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s24*z1)/(2*s12*s123*s124*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s134*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s134*s14*s34*z14) + (CA*(CA - 2*CF)*s12*s1234*s13*z1)/
    (8*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s124*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s124*s34*z14) - (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s134*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s134*s34*z14) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s124*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s124*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*s23*z1)/
    (16*s12*s134*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/
    (32*s12*s134*s14*s34*z14) + (CA*(CA - 2*CF)*s1234*z1)/(16*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(16*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s134*s14*s23*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1)/(16*s12*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(32*s12*s124*s14*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(16*s12*s123*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(16*s12*s123*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(8*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(4*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(16*s124*s14*s23*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z1)/
    (s12*s123*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s34*z1)/(2*s12*s123*s134*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1)/(4*s12*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/(16*s12*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*z1^2)/(16*s12*s124*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*z1^2)/(16*s123*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*z1^2)/(16*s124*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1^2)/(16*s12*s123*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1^2)/(16*s12*s123*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1^2)/(16*s12*s134*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1^2)/(16*s12*s124*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1^2)/(16*s12*s124*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1^2)/(16*s12*s134*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1^2)/(16*s124*s14*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1^2)/(16*s12*s134*s14*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/(16*s12*s124*s14*s34*z12*z14) - 
   (CF*(-CA + 2*CF)*s1234*z2)/(s123^2*z12) + (CF*(-CA + 2*CF)*D*s1234*z2)/
    (4*s123^2*z12) - (3*CA*(CA - 2*CF)*s1234*z2)/(16*s12*s123*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s123*z12) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s12*s124*z12) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s12*s124*z12) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     z2)/(s123*s124*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*z2)/(s123*s124*z12) - (CF*(-CA + 2*CF)*s1234*s13*z2)/
    (s12*s123^2*z12) + (CF*(-CA + 2*CF)*D*s1234*s13*z2)/(4*s12*s123^2*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z2)/(8*s12*s134*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s134*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*z2)/
    (16*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s14*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z2)/(16*s134*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s14*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s124*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s124*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z2)/
    (s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2*z2)/(2*s12*s123*s134*s14*z12) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s12*s123*s124*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(s12*s123*s124*z12) + (CA*(CA - 2*CF)*s1234*z2)/
    (16*s123*s23*z12) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s123*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s124*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s12*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(32*s12*s123*s14*s23*z12) - 
   (CF*(-CA + 2*CF)*s1234*s23*z2)/(s12*s123^2*z12) + 
   (CF*(-CA + 2*CF)*D*s1234*s23*z2)/(4*s12*s123^2*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s23*z2)/(16*s12*s134*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2)/(16*s12*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z2)/
    (s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s23*z2)/(2*s12*s123*s134*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s234*z12) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(s123*s234*z12) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s124*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(s124*s234*z12) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s12*s123*s234*z12) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s12*s124*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(s12*s124*s234*z12) + (3*CA*(CA - 2*CF)*s1234*z2)/
    (16*s23*s234*z12) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s23*s234*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s23*s234*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s23*s234*z12) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z2)/
    (s12*s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z2)/(s12*s123*s234*z12) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2)/
    (s12*s123*s124*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z2)/(s12*s123*s124*z12) + (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s124*s14*z12) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s12*s134*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z2)/(s12*s124*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (2*s12*s124*s134*s14*z12) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s124*s14*s23*z12) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s12*s124*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z2)/
    (s12*s124*s234*z12) + (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s23*s234*z12) + (CA*(CA - 2*CF)*s1234*z2)/(2*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(8*s123*s34*z12) + 
   (9*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s34*z12) - 
   (5*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(2*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(8*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(32*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(2*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z2)/(8*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z2)/(8*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z2)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(4*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z2)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*z2)/(2*s234*s34*z12) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (8*s234*s34*z12) + (5*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s234*s34*z12) - 
   (5*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s234*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(8*s12*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(8*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(32*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2)/(16*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(2*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z2)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(4*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(32*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(32*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(4*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z2)/(8*s12*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z2)/(8*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s12*s23*s234*s34*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s12*s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s12*s124*s134*z12) - (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s123*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (2*s123*s134*s14*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s124*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (2*s124*s134*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z2)/(s12*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z2)/
    (2*s12*s123*s134*s14*z12) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s124*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s124*s23*z12) - (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s123*s14*s23*z12) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s124*s14*s23*z12) - (3*CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (16*s12*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/
    (32*s12*s123*s14*s23*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s34*z2)/(s12*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s34*z2)/
    (2*s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s12*s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s123*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z2)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s12*s123*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s34*z2)/(s12*s124*s23*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z2)/
    (s12*s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24*s34*z2)/(2*s12*s124*s134*s14*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*s34*z2)/(16*s12*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/(32*s12*s124*s14*s23*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z2)/
    (s12*s124*s23*s234*z12) + (CA*(CA - 2*CF)*s1234*z2)/(4*s12*s123*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s123*z14) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s12*s124*z14) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s12*s124*z14) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s12*s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z2)/(2*s12*s123*s124*z14) + (3*CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s134*z14) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s134*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s12*s123*s134*z14) - (3*CA*(CA - 2*CF)*s1234*z2)/
    (16*s124*s14*z14) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s14*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s124*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s124*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s12*s134*s14*z14) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z2)/(s12*s123*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z2)/
    (2*s12*s123*s134*s14*z14) + (9*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s123*s23*z14) - (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s123*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s124*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s124*s23*z14) - (5*CA*(CA - 2*CF)*s1234*z2)/(16*s134*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s123*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s124*s14*s23*z14) + 
   (5*CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s12*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(16*s12*s123*s14*s23*z14) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s124*s234*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(2*s124*s234*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s134*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/
    (2*s134*s234*z14) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z2)/(s124*s14*s234*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*z2)/
    (2*s124*s14*s234*z14) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s134*s14*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (2*s134*s14*s234*z14) - (9*CA*(CA - 2*CF)*s1234*z2)/(16*s23*s234*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s23*s234*z14) - 
   (5*CA*(CA - 2*CF)*s12*s1234*z2)/(16*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z2)/(16*s14*s23*s234*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s14*s23*s234*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2)/(16*s12*s124*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(32*s12*s124*s14*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2)/
    (s12*s123*s124*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z2)/(2*s12*s123*s124*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(4*s12*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(32*s12*s123*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s12*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(32*s12*s124*s14*s23*z14) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2)/
    (s124*s14*s234*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z2)/(2*s124*s14*s234*z14) - (5*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s14*s23*s234*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s124*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s124*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s134*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s124*s14*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s134*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s134*s14*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s23*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s134*s14*s23*s34*z14) - (CA*(CA - 2*CF)*s1234*z2)/(8*s234*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z2)/(16*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(8*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(32*s14*s23*s234*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s12*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(32*s12*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s14*s23*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s134*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s134*s14*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s12*s123*s134*s14*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34*z2)/(2*s12*s123*s134*s14*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s123*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s124*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s124*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(8*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z2)/(16*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s124*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z2)/(8*s12*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/(16*s12*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z2)/(16*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s134*s14*s23*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s134*s14*s234*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s134*s14*s234*z14) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (4*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s14*s23*s234*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z2)/
    (8*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/
    (32*s12*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s24*s34*z2)/
    (16*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/
    (32*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s34^2*z2)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s124*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s134*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (16*s12*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (16*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s23*z1*z2)/
    (8*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z2)/
    (8*s12*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (16*s12*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (16*s12*s124*s14*s23*z12*z14) - (CF*(-CA + 2*CF)*s1234*z1)/
    (2*s123^2*z23) + (CF*(-CA + 2*CF)*D*s1234*z1)/(4*s123^2*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s124*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(2*s123*s124*z23) - 
   (CF*(-CA + 2*CF)*s1234*s13*z1)/(2*s12*s123^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*z1)/(4*s12*s123^2*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s12*s123*s124*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(2*s12*s123*s124*z23) + (3*CA*(CA - 2*CF)*s1234*z1)/
    (16*s123*s14*z23) - (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s124*s14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s123*s14*z23) - (3*CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s12*s123*s14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1)/
    (8*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s14*z23) - 
   (CF*(-CA + 2*CF)*s1234*s23*z1)/(2*s12*s123^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s23*z1)/(4*s12*s123^2*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s124*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s12*s123*s124*z23) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s123*s14*z23) - (3*CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s123*s14*z23) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s124*s14*z23) + (CA*(CA - 2*CF)*s1234*z1)/(16*s12*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s134*s234*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z1)/(16*s14*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s14*s234*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(s12*s123*s234*z23) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s124*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s12*s124*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s123*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (8*s12*s123*s14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s124*s14*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s12*s123*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (s12*s123*s234*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s12*s124*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s12*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*z1)/(16*s123*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*z1)/
    (s123*s134*s34*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*z1)/(s123*s134*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z1)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s123*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s123*s34*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1)/(s123*s134*s34*z23) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1)/(s134*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s134*s234*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s12*s123*s14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s12*s124*s14*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s12*s123*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (s12*s123*s234*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s12*s124*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s12*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (32*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (32*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (32*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (8*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s134*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (4*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1^2)/
    (16*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (8*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (32*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (8*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (32*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z2)/(16*s12*s123*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s123*z23) + 
   (CF*(-CA + 2*CF)*s1234*s13*z2)/(2*s12*s123^2*z23) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z2)/(4*s12*s123^2*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s12*s123*s124*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s134*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(2*s123*s134*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s14*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s124*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s134*s14*z23) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s134*s14*z23) - (CA*(CA - 2*CF)*s1234*z2)/(16*s123*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s123*s23*z23) + 
   (CF*(-CA + 2*CF)*s1234*s13*z2)/(2*s123^2*s23*z23) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z2)/(4*s123^2*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s23*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s124*s23*z23) + (CF*(-CA + 2*CF)*s1234*s13^2*z2)/
    (2*s12*s123^2*s23*z23) - (CF*(-CA + 2*CF)*D*s1234*s13^2*z2)/
    (4*s12*s123^2*s23*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z2)/(s12*s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z2)/
    (2*s12*s123*s124*s23*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*z2)/(s123*s134*s23*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*z2)/
    (2*s123*s134*s23*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s123*s134*s23*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (2*s123*s134*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s123*s14*s23*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s123*s14*s23*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (8*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z2)/
    (16*s134*s14*s23*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2)/
    (16*s134*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s14*s23*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s14*s23*z23) + (CF*(-CA + 2*CF)*s1234*z2)/(2*s234^2*z23) - 
   (CF*(-CA + 2*CF)*D*s1234*z2)/(4*s234^2*z23) + (CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s234*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(s123*s234*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s12*s123*s234*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s124*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s12*s124*s234*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s134*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/
    (2*s134*s234*z23) - (3*CA*(CA - 2*CF)*s1234*z2)/(16*s14*s234*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s14*s234*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z2)/
    (s123*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z2)/(s123*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s23*s234*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s123*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (s123*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s134*s23*s234*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2)/
    (16*s14*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s14*s23*s234*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s14*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (8*s12*s123*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s134*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s134*s14*s23*z23) + (CF*(-CA + 2*CF)*s1234*s24*z2)/
    (2*s23*s234^2*z23) - (CF*(-CA + 2*CF)*D*s1234*s24*z2)/
    (4*s23*s234^2*z23) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s23*s234*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s12*s123*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (s12*s123*s23*s234*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s12*s124*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (2*s12*s124*s23*s234*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s134*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z2)/
    (2*s134*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s14*s23*s234*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s123*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s123*s134*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s123*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s123*s23*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13*z2)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z2)/
    (s123*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z2)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s134*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s23*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s134*s23*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s14*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(32*s14*s23*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s123*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s123*s14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s124*s14*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s34*z2)/(s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s12*s123*s124*s23*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (16*s12*s123*s14*s23*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/
    (32*s12*s123*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (16*s12*s124*s14*s23*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/
    (32*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s134*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s134*s14*s23*z23) + (CF*(-CA + 2*CF)*s1234*s34*z2)/
    (2*s23*s234^2*z23) - (CF*(-CA + 2*CF)*D*s1234*s34*z2)/
    (4*s23*s234^2*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*
     z2)/(s12*s124*s234*z23) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s23*s234*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z2)/(s12*s123*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z2)/
    (s12*s123*s23*s234*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z2)/(s12*s124*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z2)/
    (2*s12*s124*s23*s234*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s134*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (2*s134*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s14*s23*s234*z23) + (3*CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z2)/
    (16*s12*s124*s14*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z2)/(s12*s124*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*s34^2*z2)/(16*s12*s124*s14*s23*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34^2*z2)/
    (s12*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s123*z12*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s124*z12*z23) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s123*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s123*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s123*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s134*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (4*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (16*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (16*s12*s124*s14*z14*z23) - (5*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s14*s234*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z1*z2)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (16*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (2*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (32*s12*s123*s14*z14*z23) - (7*CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (32*s12*s124*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s14*s23*s234*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z2)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z2)/
    (32*s12*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34^2*z1*z2)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34^2*z1*z2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s12*s123*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s123*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s123*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (16*s12*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s12*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (16*s12*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (16*s12*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (16*s12*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/
    (16*s12*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s12*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z2^2)/
    (16*s12*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (4*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (16*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/
    (32*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s14*s234*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2^2)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/
    (32*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z2^2)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (4*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (16*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (8*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (32*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z2^2)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z2^2)/
    (32*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*s34*z2^2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z2^2)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34^2*z2^2)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34^2*z2^2)/
    (32*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34^2*z2^2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34^2*z2^2)/
    (32*s12*s124*s14*s23*z14*z23) + (CF*(-CA + 2*CF)*s1234*z3)/
    (2*s123^2*z12) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/
    (s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/
    (2*s124*s134*z12) - (5*CA*(CA - 2*CF)*s1234*z3)/(16*s123*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s14*z12) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s123*s134*s14*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s124*s134*s14*z12) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z3)/(2*s123*s134*s14*z12) + (CF*(-CA + 2*CF)*s12*s1234*z3)/
    (2*s123^2*s23*z12) + (CA*(CA - 2*CF)*s1234*z3)/(4*s123*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s123*s23*z12) + 
   (5*CA*(CA - 2*CF)*s1234*z3)/(16*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s23*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s124*s23*z12) + (CF*(-CA + 2*CF)*s1234*s13*z3)/(2*s123^2*s23*z12) - 
   (5*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s123*s14*s23*z12) + 
   (5*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s124*s14*s23*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s123*s14*s23*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s124*s23*z12) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z3)/(s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s23*z3)/(2*s123*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*z3)/
    (4*s23*s234*z12) - (CA*(CA - 2*CF)*D*s1234*z3)/(16*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s12*s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s14*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s123*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s124*s134*s14*z12) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z3)/(2*s12*s123*s134*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s124*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s124*s23*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s124*s23*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s123*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (4*s124*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s123*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s123*s14*s23*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z3)/(s12*s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z3)/
    (2*s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s12*s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s12*s123*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z3)/(s12*s124*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z3)/
    (s12*s124*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2*z3)/(2*s12*s124*s134*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s12*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s12*s124*s14*s23*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z3)/
    (s12*s124*s23*s234*z12) - (5*CA*(CA - 2*CF)*s1234*z3)/(16*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s34*z12) - 
   (7*CA*(CA - 2*CF)*s1234*z3)/(16*s124*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s134*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s134*s34*z12) + (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s134*s14*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s134*s14*s34*z12) - 
   (5*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s123*s23*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(4*s123*s23*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s23*z3)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z3)/(16*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z3)/(8*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s234*s34*z12) - (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s23*s234*s34*z12) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s23*s234*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (8*s23*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s23*s234*s34*z12) - (CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s23*s234*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s34*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s134*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s134*s34*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s124*s14*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s134*s14*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s134*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s12*s134*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s123*s23*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s23*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s123*s23*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s123*s23*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s23*s24*z3)/
    (16*s12*s134*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z3)/
    (16*s12*s134*s14*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s234*s34*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (4*s23*s234*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s23*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s23*s234*s34*z12) + (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (16*s12*s23*s234*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s124*s14*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s124*s14*s34*z12) + (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (8*s12*s134*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s134*s14*s34*z12) + (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s23*s234*s34*z12) - (CA*(CA - 2*CF)*s1234*z3)/(8*s12*s123*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s124*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/
    (2*s123*s124*z14) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     z3)/(s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     z3)/(2*s123*s134*z14) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s123*s124*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (2*s123*s124*s14*z14) - (3*CA*(CA - 2*CF)*s1234*z3)/(16*s134*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s14*z14) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s123*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z3)/(2*s123*s134*s14*z14) - (9*CA*(CA - 2*CF)*s1234*z3)/
    (16*s123*s23*z14) + (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z14) - 
   (5*CA*(CA - 2*CF)*s1234*z3)/(16*s124*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s23*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(4*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s124*s14*s23*z14) - 
   (5*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s134*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(8*s14*s23*s234*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s14*s23*s234*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s123*s124*s14*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s134*s14*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s123*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s134*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s14*s23*z14) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s134*s14*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s134*s14*s234*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (4*s14*s23*s234*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s23*s234*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (8*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s124*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*z3)/
    (16*s124*s34*z14) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s134*s34*z14) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s124*s14*s34*z14) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s124*s14*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s134*s14*s34*z14) - (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s23*s34*z14) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s134*s23*s34*z14) + (3*CA*(CA - 2*CF)*s12*s1234*s13*z3)/
    (16*s134*s14*s23*s34*z14) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/
    (32*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*s1234*z3)/(4*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s12^2*s1234*z3)/(16*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3)/(8*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/(32*s14*s23*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s124*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s134*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s124*s14*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s12*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s12*s134*s14*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s134*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s134*s23*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s134*s14*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s134*s14*s23*s34*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s124*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s124*s234*s34*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s134*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s134*s234*s34*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3)/
    (s124*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s24*z3)/(2*s124*s14*s234*s34*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s134*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z3)/(2*s134*s14*s234*s34*z14) + 
   (9*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s23*s234*s34*z14) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s23*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z3)/(8*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/(16*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(4*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s14*s23*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s12*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s12*s124*s14*s34*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z3)/
    (s124*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2*z3)/(2*s124*s14*s234*s34*z14) + 
   (5*CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(16*s14*s23*s234*s34*z14) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z3)/
    (s123*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z3)/(2*s123*s134*s14*z14) - (5*CA*(CA - 2*CF)*s1234*s34*z3)/
    (16*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z3)/
    (16*s123*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z3)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s123*s14*s23*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s134*s14*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s124*s23*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s124*s14*s23*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s123*s14*s23*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s124*s14*s34*z12*z14) + (CF*(-CA + 2*CF)*s1234*z3)/
    (2*s123^2*z23) - (CF*(-CA + 2*CF)*D*s1234*z3)/(4*s123^2*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s124*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/
    (2*s123*s124*z23) - (3*CA*(CA - 2*CF)*s1234*z3)/(16*s123*s14*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s124*s14*z23) + (CF*(-CA + 2*CF)*s12*s1234*z3)/(2*s123^2*s23*z23) - 
   (CF*(-CA + 2*CF)*D*s12*s1234*z3)/(4*s123^2*s23*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s123*s124*s23*z23) + (CF*(-CA + 2*CF)*s1234*s13*z3)/
    (2*s123^2*s23*z23) - (CF*(-CA + 2*CF)*D*s1234*s13*z3)/
    (4*s123^2*s23*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z3)/(s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z3)/
    (2*s123*s124*s23*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s123*s14*s23*z23) + (3*CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s12*s1234*z3)/
    (8*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s123*s14*s23*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (8*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s134*s14*s23*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*z3)/(s123*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*z3)/(s123*s234*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*z3)/(s124*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*z3)/(2*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*z3)/
    (16*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s14*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s12*s123*s124*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s123*s14*s23*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s23*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s134*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s14*s23*z23) + (CF*(-CA + 2*CF)*s1234*s24*z3)/
    (2*s23*s234^2*z23) - (CF*(-CA + 2*CF)*D*s1234*s24*z3)/
    (4*s23*s234^2*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*
     z3)/(s12*s124*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s23*s234*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (s123*s23*s234*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s124*s23*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24*z3)/(2*s124*s23*s234*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s134*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s134*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s14*s23*s234*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s124*s14*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z3)/(s12*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*z3)/
    (16*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s134*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s123*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s123*s23*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12^2*
     s1234*z3)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z3)/
    (s123*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s12^2*s1234*z3)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z3)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*z3)/(16*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s134*s234*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s134*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s123*s134*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s14*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s123*s23*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s24*z3)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z3)/
    (2*s123*s134*s23*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z3)/
    (2*s123*s134*s23*s34*z23) - (3*CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (16*s134*s14*s23*s34*z23) + (3*CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/
    (32*s134*s14*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s134*s14*s23*s34*z23) + (CF*(-CA + 2*CF)*s1234*s24*z3)/
    (2*s234^2*s34*z23) - (CF*(-CA + 2*CF)*D*s1234*s24*z3)/
    (4*s234^2*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s234*s34*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (s123*s234*s34*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s134*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s134*s234*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s14*s234*s34*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s23*s234*s34*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3)/(s123*s23*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z3)/
    (s123*s23*s234*s34*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s123*s23*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z3)/
    (s123*s23*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3)/(s134*s23*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z3)/(16*s14*s23*s234*s34*z23) + 
   (3*CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/(32*s14*s23*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s14*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(8*s14*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(8*s134*s14*s23*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s134*s14*s23*s34*z23) + 
   (CF*(-CA + 2*CF)*s1234*s24^2*z3)/(2*s23*s234^2*s34*z23) - 
   (CF*(-CA + 2*CF)*D*s1234*s24^2*z3)/(4*s23*s234^2*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s12*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s12*s23*s234*s34*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z3)/
    (s134*s23*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2*z3)/(2*s134*s23*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s14*s23*s234*s34*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s14*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z3)/(16*s123*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z3)/(16*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z3)/(16*s124*s14*s23*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z3)/
    (s123*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z3)/(s123*s23*s234*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z3)/
    (s124*s23*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z3)/(2*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z3)/
    (16*s12*s124*s14*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z3)/(s12*s124*s23*s234*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z3)/(16*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(16*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(4*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(16*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s12*s123*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z3)/(16*s134*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(32*s134*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3)/(16*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/(32*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3)/(8*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/(32*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(8*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3)/(16*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(8*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(8*s14*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(32*s14*s234*z14*z23) + 
   (7*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s12*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(16*s12*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(16*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(16*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(16*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(16*s14*s23*s234*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(16*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/(32*s134*s14*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12^2*s1234*z1*z3)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z1*z3)/(16*s134*s14*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z3)/(8*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(16*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3)/(8*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/(32*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(8*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(4*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(16*s14*s234*s34*z14*z23) + 
   (5*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(16*s134*s14*s23*s34*z14*z23) + 
   (5*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s14*s234*s34*z14*z23) - 
   (5*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/(4*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z3)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(4*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(4*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3)/(16*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3)/(16*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/(32*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3)/(8*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/(32*s124*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/(16*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z3)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z3)/(32*s12*s124*s14*s23*z14*z23) - 
   (CF*(-CA + 2*CF)*s1234*z2*z3)/(s123^2*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s12*s124*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2*z3)/
    (s123*s124*z12*z23) - (CF*(-CA + 2*CF)*s1234*s13*z2*z3)/
    (s12*s123^2*z12*z23) + (7*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s124*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (2*s12*s123*s14*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2*z3)/(s12*s123*s124*z12*z23) - 
   (CF*(-CA + 2*CF)*s12*s1234*z2*z3)/(2*s123^2*s23*z12*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z3)/(16*s124*s23*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z2*z3)/
    (s123*s124*s23*z12*z23) - (CF*(-CA + 2*CF)*s1234*s13*z2*z3)/
    (s123^2*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (4*s12*s124*s23*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2*z3)/(s123*s124*s23*z12*z23) - 
   (CF*(-CA + 2*CF)*s1234*s13^2*z2*z3)/(2*s12*s123^2*s23*z12*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/(16*s123*s14*s23*z12*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/(16*s124*s14*s23*z12*z23) + 
   (7*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(4*s124*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(4*s12*s123*s14*s23*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2*z3)/
    (s123*s124*s23*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2*z3)/(s12*s123*s124*s23*z12*z23) - 
   (CF*(-CA + 2*CF)*s1234*s23*z2*z3)/(2*s12*s123^2*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3)/(4*s12*s123*s14*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s12*s234*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2*z3)/
    (s123*s234*z12*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     z2*z3)/(s124*s234*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2*z3)/
    (s12*s123*s234*z12*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2*z3)/(s12*s124*s234*z12*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z3)/(16*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(4*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(4*s12*s23*s234*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z2*z3)/
    (s12*s123*s234*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2*z3)/(s12*s123*s124*z12*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s12*s123*s14*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(4*s12*s124*s14*z12*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s12*s124*s23*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2*z3)/
    (s123*s124*s23*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2*z3)/(s12*s123*s124*s23*z12*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s123*s14*s23*z12*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s124*s14*s23*z12*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(16*s12*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(4*s12*s124*s14*s23*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2*z3)/
    (s12*s123*s234*z12*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2*z3)/(s12*s124*s234*z12*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s12*s23*s234*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2*z3)/
    (s123*s23*s234*z12*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2*z3)/(s124*s23*s234*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2*z3)/
    (s12*s123*s23*s234*z12*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z2*z3)/
    (s12*s124*s23*s234*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s124*s14*s23*z12*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z2*z3)/
    (s12*s124*s23*s234*z12*z23) + (7*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (2*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s12*s123*s34*z12*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s123*s23*s34*z12*z23) + (7*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (4*s12*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (4*s12*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (4*s12*s123*s34*z12*z23) - (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (4*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (4*s12*s234*s34*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s123*s34*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s123*s23*s34*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s123*s23*s34*z12*z23) - (7*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s234*s34*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (4*s12*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (4*s12*s23*s234*s34*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s12*s123*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s12*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2*z3)/
    (8*s12*s123*s14*s23*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2*z3)/
    (s12*s123*s234*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2*z3)/(s123*s23*s234*z12*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2*z3)/
    (s124*s23*s234*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z2*z3)/(s12*s123*s23*s234*z12*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z2*z3)/
    (s12*s124*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z2*z3)/
    (8*s12*s124*s14*s23*z12*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z2*z3)/
    (s12*s124*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s12*s124*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (8*s12*s124*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s134*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s134*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s134*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s134*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s14*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s14*s234*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (4*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (16*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (16*s12*s124*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s12*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/
    (32*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s134*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (8*s134*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (16*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (16*s134*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s13*z2*z3)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z3)/
    (32*s134*s14*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (4*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (16*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12^2*s1234*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z3)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (8*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (16*s134*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s14*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (16*s12*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z2*z3)/
    (32*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*s34*z2*z3)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z2*z3)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34^2*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (4*s12*s124*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (8*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (4*s124*s14*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (8*s12*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (8*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (8*s12*s124*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2*z3)/
    (8*s123*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2*z3)/
    (8*s124*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (4*s123*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (8*s124*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z3)/
    (8*s12*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z2*z3)/
    (4*s12*s123*s14*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (8*s12*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (4*s12*s124*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (8*s12*s124*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (8*s123*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (4*s124*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/
    (8*s12*s123*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/(8*s12*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z3)/(8*s12*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(8*s12*s123*s14*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(8*s12*s124*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(8*s123*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(8*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2*z3)/(8*s12*s123*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2*z3)/(8*s12*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(32*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(8*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(32*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/(16*s12*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(32*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(32*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/(16*s12*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z3^2)/(8*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(16*s134*s14*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12^2*s1234*z3^2)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3^2)/(32*s134*s14*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z3^2)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3^2)/(32*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(4*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(16*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12^2*s1234*z3^2)/(8*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3^2)/(32*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3^2)/(8*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(16*s134*s14*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(4*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(16*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/(32*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z3^2)/(16*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z3^2)/(16*s12*s123*s14*s23*z14*z23) - 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s123*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s123*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s134*z34) - 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*z1)/(8*s123*s23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s124*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s124*s14*z34) - 
   (7*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s134*s14*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s134*s14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s124*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s124*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*z1)/
    (16*s12*s234*z34) + (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s234*z34) - 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s14*s234*z34) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s14*s234*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1)/(s124*s14*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s23*z1)/(2*s124*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s123*s34*z34) + (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*z1)/
    (16*s12*s123*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*z1)/(s123*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s123*s34*z34) - (CA*(CA - 2*CF)*s1234*s23*z1)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s134*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1)/(s124*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (2*s124*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z1)/
    (8*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/
    (32*s12*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s23*z1)/
    (16*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/
    (32*s12*s134*s14*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z1)/(s124*s134*s14*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z1)/
    (2*s124*s134*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s23^2*z1)/
    (16*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23^2*z1)/
    (16*s12*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1)/(s123*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s14*s234*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23^2*z1)/(s124*s14*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23^2*z1)/
    (2*s124*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s23*s24*z1)/
    (16*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/
    (16*s12*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s123*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s234*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z1)/(s124*s14*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z1)/
    (2*s124*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s12*s123*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (4*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (16*s12*s124*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (8*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1^2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (32*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s23*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23^2*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23^2*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23^2*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23^2*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z2)/
    (8*s12*s123*z34) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s123*z34) - 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s12*s124*z34) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s12*s124*z34) - (7*CA*(CA - 2*CF)*s1234*z2)/(16*s12*s134*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s134*z34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s124*s134*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/
    (2*s124*s134*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s134*s14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s124*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*z2)/
    (4*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*z2)/(16*s123*s23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s123*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s23*z34) + 
   (5*CA*(CA - 2*CF)*s1234*z2)/(16*s134*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s134*s23*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (4*s134*s14*s23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s123*s23*z34) - (5*CA*(CA - 2*CF)*s1234*s23*z2)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z2)/
    (16*s12*s124*s14*z34) + (CF*(-CA + 2*CF)*s1234*z2)/(2*s234^2*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z2)/(16*s12*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s234*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z2)/(16*s14*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s14*s234*z34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s124*s14*s234*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s124*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*z2)/
    (4*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*z2)/(16*s23*s234*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s23*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s23*s234*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s134*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (4*s12*s23*s234*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s134*s23*s234*z34) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z2)/
    (s124*s14*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z2)/(2*s124*s14*s234*z34) - (5*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s12*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s123*s23*z34) + (CF*(-CA + 2*CF)*s1234*s24*z2)/
    (2*s23*s234^2*z34) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z2)/(s124*s14*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24*z2)/(2*s124*s14*s234*z34) - (5*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s23*s234*z34) - (5*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s123*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s124*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s124*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s134*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s124*s134*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (2*s124*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s134*s14*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z2)/(s124*s134*s14*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z2)/
    (2*s124*s134*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13^2*z2)/(s123*s134*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (16*s12*s123*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2)/(s123*s134*s23*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z2)/(16*s12*s124*s14*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z2)/(16*s12*s124*s14*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s14*s234*s34*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z2)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z2)/
    (2*s124*s14*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s123*s23*s34*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (2*s124*s14*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s23*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s123*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s14*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(32*s14*s23*s234*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s124*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s124*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s134*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s134*s14*z34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s124*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s124*s134*s14*z34) - (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s123*s23*z34) + (5*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s134*s14*s23*z34) + (CF*(-CA + 2*CF)*s1234*s34*z2)/
    (2*s23*s234^2*z34) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z2)/(s124*s14*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s34*z2)/(2*s124*s14*s234*z34) - (5*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s23*s234*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s134*s23*s234*z34) - (5*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s14*s23*s234*z34) + (5*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s123*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s12*s123*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s124*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s12*s124*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s134*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s12*s134*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s124*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s124*s14*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s134*s14*z12*z34) - (9*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s134*s14*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s124*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (2*s12*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s12*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s124*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s124*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/
    (32*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z2)/
    (32*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s23*z1*z2)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z2)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23^2*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (32*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (2*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (8*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s12*s123*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (32*s12*s123*z12*z34) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s12*s124*z12*z34) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s124*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (4*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (16*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (8*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (32*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2^2)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s12*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (32*s12*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (16*s23*s234*z12*z34) - (5*CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (32*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (8*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/
    (32*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z2^2)/
    (16*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s12*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*z3)/
    (2*s12*s123*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/(8*s12*s123*z34) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s134*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(s123*s134*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s124*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s134*s14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s124*s134*s14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (2*s124*s134*s14*z34) + (3*CA*(CA - 2*CF)*s1234*z3)/(16*s123*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s134*s23*z34) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s134*s14*s23*z34) - (CF*(-CA + 2*CF)*s1234*z3)/(s234^2*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*z3)/(4*s234^2*z34) + (CA*(CA - 2*CF)*s1234*z3)/
    (2*s12*s234*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/(8*s12*s234*z34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(s123*s234*z34) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s134*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(s134*s234*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s124*s14*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s124*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*z3)/
    (16*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s23*s234*z34) - (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s134*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s124*s134*s14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24*z3)/(2*s124*s134*s14*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s23*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s14*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s124*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(8*s124*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(8*s12*s123*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s12*s123*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s134*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s124*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (2*s124*s134*s34*z34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3)/(s123*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z3)/
    (s123*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (8*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s134*s14*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z3)/(s124*s134*s14*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z3)/
    (2*s124*s134*s14*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s14*z3)/
    (8*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (8*s12*s123*s34*z34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z3)/(s123*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (s123*s134*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s123*s23*s34*z34) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s23*s34*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z3)/(s123*s134*s23*s34*z34) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z3)/(16*s134*s14*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/(32*s134*s14*s23*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s123*s23*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z3)/
    (s123*s134*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z3)/
    (2*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z3)/
    (8*s12*s123*s34*z34) - (CA*(CA - 2*CF)*s1234*s23*z3)/
    (4*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z3)/
    (16*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z3)/
    (8*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z3)/
    (16*s12*s134*s34*z34) - (5*CA*(CA - 2*CF)*s1234*s23*z3)/
    (16*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z3)/
    (16*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z3)/
    (8*s12*s134*s14*s34*z34) - (CF*(-CA + 2*CF)*s1234*s23*z3)/
    (s234^2*s34*z34) + (CF*(-CA + 2*CF)*D*s1234*s23*z3)/(4*s234^2*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s12*s234*s34*z34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3)/(s134*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z3)/
    (s134*s234*s34*z34) - (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z3)/
    (2*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (8*s12*s234*s34*z34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z3)/(s134*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (s134*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z3)/
    (2*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z3)/
    (8*s12*s234*s34*z34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z3)/(s123*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s23*z3)/(s123*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z3)/
    (s124*s14*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s23*z3)/(2*s124*s14*s234*s34*z34) + 
   (5*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s12*s123*s34*z34) - 
   (5*CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s123*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s12*s124*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s124*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s134*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s124*s134*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s124*s134*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s134*s14*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s124*s134*s14*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z3)/
    (2*s124*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s23*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (16*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z3)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z3)/
    (16*s12*s124*s14*s34*z34) - (CF*(-CA + 2*CF)*s1234*s24*z3)/
    (s234^2*s34*z34) + (CF*(-CA + 2*CF)*D*s1234*s24*z3)/(4*s234^2*s34*z34) + 
   (9*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s234*s34*z34) - 
   (5*CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s234*s34*z34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(s123*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s234*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3)/(s124*s14*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z3)/
    (2*s124*s14*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s23*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3)/(s123*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(4*s12*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(16*s12*s23*s234*s34*z34) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z3)/(16*s14*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/(32*s14*s23*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z3)/
    (s124*s14*s234*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s24*z3)/(2*s124*s14*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s12*s124*s14*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(16*s12*s124*s14*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(8*s12*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s12*s123*s23*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z3)/
    (s124*s14*s234*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2*z3)/(2*s124*s14*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s12*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s12*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s14*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s14*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(8*s12*s123*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(16*s12*s123*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(4*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(16*s124*s14*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z3)/(8*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(16*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(8*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(8*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(4*s12*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(16*s12*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(2*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(8*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(8*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(32*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s12*s123*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z3)/(16*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(32*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(32*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(16*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(32*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z3)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(32*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z3)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z1*z3)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s12*s124*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/(32*s12*s124*s14*s34*z12*z34) - 
   (9*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/(32*s12*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z3)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z3)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/(32*s12*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(16*s12*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z2*z3)/(16*s12*s123*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(32*s12*s123*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s12*s124*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(16*s12*s134*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s134*s14*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s134*s14*z12*z34) + 
   (5*CA*(CA - 2*CF)*s1234*z2*z3)/(8*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(8*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(32*s12*s123*s23*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/(16*s12*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(32*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3)/(16*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s12*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(32*s12*s234*z12*z34) + 
   (5*CA*(CA - 2*CF)*s1234*z2*z3)/(8*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(8*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(32*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(32*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s12*s134*s14*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s12*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(32*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(32*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(32*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(16*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(32*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s134*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/(32*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z3)/(32*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2*z3)/(16*s12*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z2*z3)/(16*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(32*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(32*s12*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/(32*s12*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z3)/(32*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(32*s12*s123*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s12*s134*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(32*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/(8*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z2*z3)/(32*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z2*z3)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(32*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(32*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z2*z3)/(32*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/(8*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/(32*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/(32*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s134*s14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s12*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s14*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s134*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s134*s14*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(16*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(16*s12*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(16*s14*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s12*s123*s23*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s12*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(8*s12*s23*s234*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z3)/(16*s12*s123*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z2*z3)/
    (s123*s134*z23*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s134*s14*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z3)/(16*s123*s23*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s123*s23*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z3)/(16*s134*s23*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z2*z3)/
    (s123*s134*s23*z23*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2*z3)/(s123*s134*s23*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(8*s134*s14*s23*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s134*s14*s23*z23*z34) - 
   (CF*(-CA + 2*CF)*s1234*z2*z3)/(s234^2*z23*z34) + 
   (7*CA*(CA - 2*CF)*s1234*z2*z3)/(16*s12*s234*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2*z3)/
    (s123*s234*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     z2*z3)/(s134*s234*z23*z34) + (7*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s14*s234*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z2*z3)/(s123*s23*s234*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s23*s234*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2*z3)/
    (s123*s23*s234*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2*z3)/(s134*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(8*s14*s23*s234*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s14*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(4*s12*s23*s234*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2*z3)/
    (s134*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (4*s134*s14*s23*z23*z34) - (CF*(-CA + 2*CF)*s1234*s24*z2*z3)/
    (s23*s234^2*z23*z34) + (7*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s23*s234*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2*z3)/(s134*s23*s234*z23*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s123*s34*z23*z34) - 
   (7*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s134*s34*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2*z3)/
    (s123*s134*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (4*s134*s14*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s12*s123*s34*z23*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2*z3)/(s123*s134*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s123*s23*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(16*s12*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(8*s134*s23*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s134*s23*s34*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z2*z3)/
    (s123*s134*s23*s34*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z2*z3)/
    (s123*s134*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s12*s1234*s13*z2*z3)/
    (8*s134*s14*s23*s34*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (16*s134*s14*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (4*s12*s123*s23*s34*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z2*z3)/
    (s123*s134*s23*s34*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2*z3)/
    (s123*s134*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (4*s12*s123*s34*z23*z34) - (CF*(-CA + 2*CF)*s1234*s23*z2*z3)/
    (2*s234^2*s34*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z2*z3)/(s123*s234*s34*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s234*s34*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2*z3)/
    (s123*s234*s34*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2*z3)/(s134*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(8*s14*s234*s34*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s14*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(4*s12*s234*s34*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2*z3)/
    (s134*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (4*s12*s234*s34*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z2*z3)/(s123*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3)/(4*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(4*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(4*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(4*s12*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(4*s134*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(4*s134*s14*s23*s34*z23*z34) - 
   (CF*(-CA + 2*CF)*s1234*s24*z2*z3)/(s234^2*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(2*s12*s234*s34*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2*z3)/
    (s123*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (2*s14*s234*s34*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s24*z2*z3)/(s123*s23*s234*s34*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(16*s12*s23*s234*s34*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2*z3)/
    (s123*s23*s234*s34*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2*z3)/
    (s134*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s12*s1234*s24*z2*z3)/
    (8*s14*s23*s234*s34*z23*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s14*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (4*s12*s23*s234*s34*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z2*z3)/
    (s134*s23*s234*s34*z23*z34) - (CF*(-CA + 2*CF)*s1234*s24^2*z2*z3)/
    (2*s23*s234^2*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (4*s12*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (4*s14*s23*s234*s34*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s134*s14*s23*z23*z34) - (CF*(-CA + 2*CF)*s1234*s34*z2*z3)/
    (2*s23*s234^2*z23*z34) + (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s12*s23*s234*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2*z3)/(s134*s23*s234*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/(16*s14*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z3)/(4*s12*s123*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z3)/(4*s123*s23*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/(4*s12*s123*s23*z12*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z2*z3)/(8*s12*s234*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/(8*s12*s23*s234*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/(8*s12*s23*s234*z12*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/(8*s12*s23*s234*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z3)/(8*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/(4*s12*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/(8*s12*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/(8*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z3)/(8*s12*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/(8*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1*z2*z3)/(8*s12*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z3)/(8*s12*s123*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/(8*s12*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/(8*s12*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z3)/(8*s12*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/(8*s12*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/(8*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/(8*s12*s123*s23*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/(4*s12*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/(8*s12*s23*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z2*z3)/(8*s12*s23*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z3)/(8*s12*s23*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(4*s12*s23*s234*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(16*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(4*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(16*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(32*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/(32*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3^2)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(32*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(8*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/(32*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(8*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/(32*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s12*s134*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/(16*s12*s134*s14*s34*z12*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(32*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/(32*s12*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3^2)/(32*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z3^2)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/(32*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3^2)/(32*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/(16*s12*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3^2)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/(32*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/(32*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s12*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3^2)/(16*s134*s14*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/(16*s12*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s134*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/(16*s134*s14*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s12*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s14*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/(16*s14*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/(16*s12*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/(16*s14*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s12*s124*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s12*s124*z12) - (CA*(CA - 2*CF)*s1234*z4)/(16*s123*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s124*s14*z12) - (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s12*s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s12*s124*s134*z12) - (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s123*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (2*s123*s134*s14*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s124*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (2*s124*s134*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z4)/(s12*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z4)/
    (2*s12*s123*s134*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23^2*z4)/(s12*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23^2*z4)/
    (2*s12*s123*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*z4)/(s123*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*z4)/(s124*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s12*s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s14*z4)/
    (s12*s124*s234*z12) - (CA*(CA - 2*CF)*s1234*z4)/(8*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s12*s123*s234*z12) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s12*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s124*s14*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z4)/(s12*s124*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z4)/
    (2*s12*s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s12*s124*s234*z12) - (CA*(CA - 2*CF)*s1234*z4)/
    (16*s123*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s123*s23*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s134*s34*z12) - 
   (7*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s134*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z4)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/(16*s12*s134*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s23^2*z4)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z4)/(16*s12*s134*s14*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z4)/(16*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z4)/(16*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/(32*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z4)/(8*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/(32*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s12*s123*z14) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s12*s123*z14) + (CA*(CA - 2*CF)*s1234*z4)/(16*s12*s124*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s124*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(8*s123*s14*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s14*z14) - 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s14*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s14*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s14*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s134*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(4*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s134*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s134*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s134*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s14*s234*z14) + (3*CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s14*s234*z14) + (CA*(CA - 2*CF)*s12*s1234*z4)/(8*s14*s23*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s134*s14*s234*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s134*s14*s234*z14) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s12*s123*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s123*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s12*s124*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s134*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s134*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s14*s23*s234*z14) + (CA*(CA - 2*CF)*s1234*z4)/(16*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4)/(4*s134*s14*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/(16*s134*s14*s23*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s124*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s124*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(16*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4)/(16*s12*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/(32*s12*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s234*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s14*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s124*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s124*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s134*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s134*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z4)/
    (s124*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s23*z4)/(2*s124*s14*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z4)/
    (s134*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s23*z4)/(2*s134*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(4*s134*s14*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s134*s14*s23*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z4)/(16*s12*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/(32*s12*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(16*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(4*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s14*s23*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z4)/
    (s124*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s24*z4)/(2*s124*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z4)/(16*s12*s123*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z4)/(4*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z4)/(16*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z4)/(8*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z4)/(8*s12*s124*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z4)/(16*s12*s124*z12*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z4)/(16*s123*s14*z12*z14) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z4)/(16*s124*s14*z12*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s12*s123*s14*z12*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s123*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s134*s14*z12*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s124*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s124*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s134*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s124*s14*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(16*s12*s134*s14*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/(16*s12*s124*s14*s34*z12*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s123*s124*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s12*s123*s124*z23) - (3*CA*(CA - 2*CF)*s1234*z4)/(16*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s134*s14*z23) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s134*s14*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*
     z4)/(s12*s123*s124*z23) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s123*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s123*s14*z23) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s124*s14*z23) - (CF*(-CA + 2*CF)*s1234*z4)/(2*s234^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*z4)/(4*s234^2*z23) - (CA*(CA - 2*CF)*s1234*z4)/
    (16*s12*s234*z23) - (CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s234*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s134*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z4)/(2*s134*s234*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s14*s234*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s14*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s12*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s12*s124*s14*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s12*s124*s234*z23) + (CA*(CA - 2*CF)*s1234*z4)/
    (16*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s34*z23) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s134*s34*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s123*s134*s34*z23) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s134*s34*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s123*s134*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (16*s134*s14*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s123*s34*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s123*s134*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (2*s123*s134*s34*z23) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s134*s14*s34*z23) - (CF*(-CA + 2*CF)*s1234*s23*z4)/
    (2*s234^2*s34*z23) + (CF*(-CA + 2*CF)*D*s1234*s23*z4)/
    (4*s234^2*s34*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s123*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z4)/
    (s123*s234*s34*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s123*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (s123*s234*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (16*s14*s234*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (8*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s234*s34*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s123*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (s123*s234*s34*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z4)/(s134*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s23*z4)/(2*s134*s234*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s14*s234*s34*z23) - (3*CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s134*s14*s34*z23) - (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (2*s234^2*s34*z23) + (CF*(-CA + 2*CF)*D*s1234*s24*z4)/
    (4*s234^2*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s12*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s234*s34*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s134*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (2*s134*s234*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s14*s234*s34*z23) - (3*CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s34*z4)/
    (16*s12*s124*s14*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s34*z4)/(s12*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s134*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s134*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s14*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s14*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s12*s124*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s123*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s124*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (16*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s12*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s124*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s123*s34*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s12*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (16*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (16*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s12*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s124*s14*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s123*s14*z14*z23) - (5*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s12*s123*s14*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (4*s134*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s134*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (4*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (4*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (16*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (16*s12*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s14*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s14*s234*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (4*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s14*s234*s34*z14*z23) + (7*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s14*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (8*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s14*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (4*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z2*z4)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34^2*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (5*CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s134*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (32*s134*s14*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s14*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (32*s14*s234*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (7*CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (16*s134*s14*s34*z14*z23) + (3*CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/
    (32*s134*s14*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (32*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12^2*s1234*z3*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z3*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (2*s14*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/
    (32*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (32*s14*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12^2*s1234*z3*z4)/
    (32*s14*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z3*z4)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (4*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/
    (32*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z3*z4)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z3*z4)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z3*z4)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z3*z4)/
    (16*s12*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z4)/
    (16*s12*s123*z34) - (CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s123*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s124*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s124*s14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s134*s14*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s124*s134*s14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s124*s134*s14*z34) - (CF*(-CA + 2*CF)*s1234*z4)/
    (2*s234^2*z34) + (5*CA*(CA - 2*CF)*s1234*z4)/(16*s12*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s234*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s134*s234*z34) + 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s14*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s14*s234*z34) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s124*s14*s234*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s124*s14*s234*z34) - (CA*(CA - 2*CF)*s1234*z4)/
    (4*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*z4)/(16*s123*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s34*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s134*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s134*s14*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s134*s14*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z4)/(16*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s12*s123*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(4*s12*s124*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s124*s34*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s134*s34*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s134*s34*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s124*s134*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s124*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (4*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/
    (32*s12*s124*s14*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (16*s12*s134*s14*s34*z34) - (3*CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/
    (32*s12*s134*s14*s34*z34) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z4)/(s124*s134*s14*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z4)/
    (2*s124*s134*s14*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s23^2*z4)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23^2*z4)/
    (16*s12*s124*s14*s34*z34) - (CF*(-CA + 2*CF)*s1234*s23*z4)/
    (2*s234^2*s34*z34) - (CA*(CA - 2*CF)*s1234*z4)/(4*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s234*s34*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s134*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z4)/
    (4*s12*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z4)/(s134*s234*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s234*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s14*s234*s34*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23^2*z4)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23^2*z4)/
    (2*s124*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s123*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s134*s14*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s23*s24*z4)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/
    (16*s12*s124*s14*s34*z34) - (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (2*s234^2*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s234*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s14*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s23*s234*s34*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z4)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z4)/
    (2*s124*s14*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (4*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s12*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s123*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (16*s12*s124*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (4*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (16*s124*s14*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (16*s134*s14*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23^2*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23^2*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s123*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s134*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s134*s14*z14*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s14*s234*z14*z34) + (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s134*s34*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s134*s14*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s124*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s134*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s124*s14*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (16*s12*s134*s14*s34*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s14*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (16*s12*s124*s14*s34*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s14*s234*s34*z14*z34) - (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s12*s124*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s12*s124*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s12*s134*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s12*s134*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s124*s14*z12*z34) - (9*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s124*s14*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (4*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s12*s134*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (8*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (32*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s12*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s23*s234*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (16*s12*s23*s234*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (4*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s12*s123*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s12*s134*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (2*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (8*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (8*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z2*z4)/
    (32*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/
    (8*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z2*z4)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23^2*z2*z4)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/
    (32*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (32*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s12*s123*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z2*z4)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s12*s124*z14*z34) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s12*s134*z14*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s124*s14*z14*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s134*s23*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s134*s14*s23*z14*z34) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s14*s234*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s14*s23*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s124*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s14*s23*s234*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s124*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s134*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s124*s14*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s12*s134*s14*s34*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s134*s23*s34*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s134*s14*s23*s34*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s14*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s12*s124*s14*s34*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s14*s23*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s12*s134*s14*z14*z34) - (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s134*s14*s23*z14*z34) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s14*s23*s234*z14*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (4*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (2*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s123*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (32*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (32*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (2*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/
    (8*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (32*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (32*s134*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (4*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (8*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (16*s12*s134*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (16*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/
    (32*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/
    (32*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z3*z4)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23^2*z3*z4)/
    (16*s12*s134*s14*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (16*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/
    (32*s12*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s12*s123*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s12*s134*s34*z12*z34) - (9*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/
    (32*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s134*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (8*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s123*s23*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*s24*z3*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z3*z4)/
    (32*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z3*z4)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z3*z4)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z3*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/
    (32*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (8*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s134*s14*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (16*s134*s14*s23*z14*z34) - (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s12*s134*s14*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (16*s14*s23*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s134*s14*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s134*s14*s23*z14*z34) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s14*s23*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s124*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s134*s34*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (16*s124*s14*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s134*s14*s34*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (16*s134*s23*s34*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/
    (16*s134*s14*s23*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s12*s124*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s12*s134*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s124*s14*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z3*z4)/
    (8*s12*s134*s14*s34*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (16*s14*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s124*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s134*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s12*s134*s14*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s134*s23*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s134*s14*s23*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z3*z4)/
    (8*s12*s124*s14*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s14*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/
    (16*s14*s23*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (16*s12*s124*s14*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (16*s14*s23*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s134*s14*z23*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s12*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s14*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s123*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s12*s123*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s134*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s134*s14*s34*z23*z34) - (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (8*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s123*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (16*s12*s123*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (16*s12*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (16*s14*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s14*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3*z4)/
    (8*s12*s234*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3*z4)/
    (4*s23*s234*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/
    (8*s12*s23*s234*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/
    (8*s12*s23*s234*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/
    (8*s12*s23*s234*z12*z23*z34) - (3*CA*(CA - 2*CF)*s1234*z2*z3*z4)/
    (8*s123*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/
    (4*s12*s123*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/
    (8*s12*s123*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/
    (4*s123*s23*s34*z12*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/
    (8*s123*s23*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z3*z4)/
    (8*s12*s123*s23*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/
    (8*s123*s23*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3*z4)/
    (8*s12*s123*s23*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s23*z2*z3*z4)/
    (8*s12*s123*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3*z4)/
    (4*s234*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/
    (8*s12*s234*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/
    (8*s12*s234*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z3*z4)/
    (8*s12*s234*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/
    (8*s12*s123*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/
    (8*s123*s23*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/
    (8*s12*s123*s23*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/
    (4*s12*s234*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/
    (4*s23*s234*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/
    (8*s12*s23*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3*z4)/(8*s12*s23*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3*z4)/(8*s12*s23*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(4*s134*s14*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(8*s134*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(8*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(4*s134*s14*s23*z14*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z3*z4)/(8*s14*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(8*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s134*s14*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(4*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(4*s134*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(4*s134*s14*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(8*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z2*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(8*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3*z4)/(4*s14*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z2*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3*z4)/(8*s134*s14*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3*z4)/(8*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s134*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(32*s134*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s14*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(32*s14*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(32*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(4*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(32*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(16*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(8*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(32*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(32*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z4^2)/(16*s12*s124*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(32*s12*s134*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(16*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4^2)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(4*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4^2)/(32*s12*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23^2*z4^2)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z4^2)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z4^2)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z4^2)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z4^2)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z4^2)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4^2)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z4^2)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4^2)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s14*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(16*s12*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s14*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z4^2)/(16*s12*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s14*s234*s34*z14*z34)) + 
 k3k4*((CF*(-CA + 2*CF)*s1234)/s123^2 - (3*CF*(-CA + 2*CF)*D*s1234)/
    (4*s123^2) + (CF*(-CA + 2*CF)*D^2*s1234)/(8*s123^2) + 
   (CA*(CA - 2*CF)*D*s1234)/(16*s12*s123) + (CF*(-CA + 2*CF)*s1234)/s124^2 - 
   (3*CF*(-CA + 2*CF)*D*s1234)/(4*s124^2) + (CF*(-CA + 2*CF)*D^2*s1234)/
    (8*s124^2) + (CA*(CA - 2*CF)*D*s1234)/(16*s12*s124) + 
   (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/(s123*s124) - 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/(s123*s124) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234)/(s123*s124) - 
   (CF*(-CA + 2*CF)*s1234*s13)/(s12*s123^2) + (CF*(-CA + 2*CF)*D*s1234*s13)/
    (2*s12*s123^2) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s123*s134) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s123*s134) - (CA*(CA - 2*CF)*s1234)/(4*s123*s14) + 
   (3*CA*(CA - 2*CF)*D*s1234)/(16*s123*s14) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s123*s14) - (CF*(-CA + 2*CF)*s12*s1234)/(s124^2*s14) + 
   (3*CF*(-CA + 2*CF)*D*s12*s1234)/(4*s124^2*s14) - 
   (CF*(-CA + 2*CF)*D^2*s12*s1234)/(8*s124^2*s14) - 
   (3*CA*(CA - 2*CF)*s1234)/(4*s124*s14) + (3*CA*(CA - 2*CF)*D*s1234)/
    (8*s124*s14) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s124*s14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s123*s124*s14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s123*s124*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(2*s123*s124*s14) - (CA*(CA - 2*CF)*s1234*s13)/(8*s12*s123*s14) - 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s123*s14) - 
   (CA*(CA - 2*CF)*s1234)/(2*s134*s14) + (5*CA*(CA - 2*CF)*D*s1234)/
    (16*s134*s14) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s134*s14) - 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s123*s134*s14) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s123*s134*s14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(2*s123*s134*s14) - (26*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234)/(s124*s134*s14) + 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(s124*s134*s14) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s123*s134*s14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13)/(s123*s134*s14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s124*s134*s14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/(s124*s134*s14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s12*s123*s124) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14)/(s12*s123*s124) - 
   (CF*(-CA + 2*CF)*s12*s1234)/(s123^2*s23) + (3*CF*(-CA + 2*CF)*D*s12*s1234)/
    (4*s123^2*s23) - (CF*(-CA + 2*CF)*D^2*s12*s1234)/(8*s123^2*s23) - 
   (3*CA*(CA - 2*CF)*s1234)/(4*s123*s23) + (3*CA*(CA - 2*CF)*D*s1234)/
    (8*s123*s23) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s123*s23) - 
   (CA*(CA - 2*CF)*s1234)/(4*s124*s23) + (3*CA*(CA - 2*CF)*D*s1234)/
    (16*s124*s23) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s124*s23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s123*s124*s23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s123*s124*s23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(2*s123*s124*s23) - (2*CF*(-CA + 2*CF)*s1234*s13)/(s123^2*s23) + 
   (5*CF*(-CA + 2*CF)*D*s1234*s13)/(4*s123^2*s23) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s13)/(8*s123^2*s23) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s124*s23) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s124*s23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s124*s23) - (16*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234)/(s123*s134*s23) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s123*s134*s23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(2*s123*s134*s23) - (CA*(CA - 2*CF)*s12*s1234)/(s123*s14*s23) + 
   (CA*(CA - 2*CF)*D*s12*s1234)/(4*s123*s14*s23) - 
   (CA*(CA - 2*CF)*s12*s1234)/(s124*s14*s23) + (CA*(CA - 2*CF)*D*s12*s1234)/
    (4*s124*s14*s23) - (5*CA*(CA - 2*CF)*s1234*s13)/(8*s123*s14*s23) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s123*s14*s23) - 
   (CA*(CA - 2*CF)*s1234*s13)/(4*s124*s14*s23) + (CA*(CA - 2*CF)*D*s1234*s13)/
    (16*s124*s14*s23) - (3*CA*(CA - 2*CF)*s12*s1234)/(2*s134*s14*s23) + 
   (7*CA*(CA - 2*CF)*D*s12*s1234)/(16*s134*s14*s23) - 
   (CA*(CA - 2*CF)*D^2*s12*s1234)/(32*s134*s14*s23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s12*s123*s124) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23)/(s12*s123*s124) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s12*s124*s134) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23)/
    (s12*s123*s134*s14) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s124*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s124*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/
    (s12*s123*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s12*s123*s234) - (16*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234)/(s124*s14*s234) + (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234)/(s124*s14*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     D^2*s12*s1234)/(2*s124*s14*s234) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s134*s14*s234) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s134*s14*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(2*s134*s14*s234) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s12*s123*s234) - (CA*(CA - 2*CF)*s1234)/(2*s23*s234) + 
   (5*CA*(CA - 2*CF)*D*s1234)/(16*s23*s234) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s23*s234) - (26*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s123*s23*s234) + (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234)/(s123*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s12*s1234)/(s123*s23*s234) - 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s124*s23*s234) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s124*s23*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(2*s124*s23*s234) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s123*s23*s234) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s23*s234) - (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s124*s23*s234) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s124*s23*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s124*s23*s234) - (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234)/(s134*s23*s234) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s134*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(2*s134*s23*s234) - (3*CA*(CA - 2*CF)*s12*s1234)/
    (2*s14*s23*s234) + (7*CA*(CA - 2*CF)*D*s12*s1234)/(16*s14*s23*s234) - 
   (CA*(CA - 2*CF)*D^2*s12*s1234)/(32*s14*s23*s234) - 
   (CF*(-CA + 2*CF)*s1234*s24)/(s12*s124^2) + (CF*(-CA + 2*CF)*D*s1234*s24)/
    (2*s12*s124^2) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/
    (s12*s124*s134) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s12*s124*s134) - (2*CF*(-CA + 2*CF)*s1234*s24)/(s124^2*s14) + 
   (5*CF*(-CA + 2*CF)*D*s1234*s24)/(4*s124^2*s14) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s24)/(8*s124^2*s14) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s124*s14) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s123*s124*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s123*s124*s14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s124*s14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s124*s14) - (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24)/(s123*s134*s14) + (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24)/(s123*s134*s14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s24)/(2*s123*s134*s14) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s124*s134*s14) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s124*s134*s14) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s134*s14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s134*s14) - (CA*(CA - 2*CF)*s1234*s24)/(8*s12*s124*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s124*s23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s123*s124*s23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s123*s124*s23) - (CA*(CA - 2*CF)*s1234*s24)/
    (4*s123*s14*s23) + (CA*(CA - 2*CF)*D*s1234*s24)/(16*s123*s14*s23) - 
   (5*CA*(CA - 2*CF)*s1234*s24)/(8*s124*s14*s23) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s124*s14*s23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s123*s14*s23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s124*s14*s23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s23*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/(s123*s23*s234) - 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s124*s23*s234) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/(s124*s23*s234) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s124*s23*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s124*s23*s234) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24)/
    (s12*s124*s23*s234) + (5*CA*(CA - 2*CF)*s1234)/(4*s123*s34) - 
   (7*CA*(CA - 2*CF)*D*s1234)/(16*s123*s34) + (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s123*s34) + (5*CA*(CA - 2*CF)*s1234)/(4*s124*s34) - 
   (7*CA*(CA - 2*CF)*D*s1234)/(16*s124*s34) + (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s124*s34) + (3*CA*(CA - 2*CF)*s1234*s13)/(8*s12*s123*s34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s123*s34) + 
   (7*CA*(CA - 2*CF)*s1234)/(4*s134*s34) - (5*CA*(CA - 2*CF)*D*s1234)/
    (8*s134*s34) + (CA*(CA - 2*CF)*D^2*s1234)/(16*s134*s34) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s123*s134*s34) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s123*s134*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(2*s123*s134*s34) + (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s123*s134*s34) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s134*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s134*s34) - (CA*(CA - 2*CF)*s1234*s13)/(2*s124*s14*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(4*s124*s14*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s13)/(32*s124*s14*s34) - 
   (CA*(CA - 2*CF)*s1234*s13)/(4*s134*s14*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13)/
    (s124*s134*s14*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13)/(s124*s134*s14*s34) + (3*CA*(CA - 2*CF)*s1234*s14)/
    (4*s12*s123*s34) - (3*CA*(CA - 2*CF)*D*s1234*s14)/(8*s12*s123*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s14)/(32*s12*s123*s34) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s134*s34) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s123*s134*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s123*s134*s34) - (5*CA*(CA - 2*CF)*s1234*s13)/(8*s123*s23*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s123*s23*s34) + 
   (CA*(CA - 2*CF)*s12*s1234)/(4*s134*s23*s34) - (CA*(CA - 2*CF)*D*s12*s1234)/
    (16*s134*s23*s34) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13)/(s123*s134*s23*s34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13)/
    (s123*s134*s23*s34) - (5*CA*(CA - 2*CF)*s12*s1234*s13)/
    (8*s134*s14*s23*s34) + (CA*(CA - 2*CF)*D*s12*s1234*s13)/
    (8*s134*s14*s23*s34) + (CA*(CA - 2*CF)*s1234*s14)/(4*s123*s23*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s14)/(16*s123*s23*s34) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14)/
    (s123*s134*s23*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s14)/(s123*s134*s23*s34) + (3*CA*(CA - 2*CF)*s1234*s23)/
    (4*s12*s124*s34) - (3*CA*(CA - 2*CF)*D*s1234*s23)/(8*s12*s124*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s23)/(32*s12*s124*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s23)/(16*s12*s134*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s124*s134*s34) + 
   (CA*(CA - 2*CF)*s1234*s23)/(4*s124*s14*s34) - (CA*(CA - 2*CF)*D*s1234*s23)/
    (16*s124*s14*s34) - (CA*(CA - 2*CF)*s1234*s13*s23)/(8*s12*s134*s14*s34) + 
   (7*CA*(CA - 2*CF)*s1234)/(4*s234*s34) - (5*CA*(CA - 2*CF)*D*s1234)/
    (8*s234*s34) + (CA*(CA - 2*CF)*D^2*s1234)/(16*s234*s34) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s124*s234*s34) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s124*s234*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(2*s124*s234*s34) + (CA*(CA - 2*CF)*s1234*s13)/(4*s12*s234*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s234*s34) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s234*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s234*s34) + (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234)/(s134*s234*s34) - 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s134*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(s134*s234*s34) + (CA*(CA - 2*CF)*s12*s1234)/(4*s14*s234*s34) - 
   (CA*(CA - 2*CF)*D*s12*s1234)/(16*s14*s234*s34) + 
   (CA*(CA - 2*CF)*s1234*s13)/(2*s14*s234*s34) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (4*s14*s234*s34) + (CA*(CA - 2*CF)*D^2*s1234*s13)/(32*s14*s234*s34) - 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13)/
    (s124*s14*s234*s34) + (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13)/(s124*s14*s234*s34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s12*s1234*s13)/
    (2*s124*s14*s234*s34) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13)/(s134*s14*s234*s34) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13)/
    (s134*s14*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234*s13)/(2*s134*s14*s234*s34) - (CA*(CA - 2*CF)*D*s1234*s14)/
    (16*s12*s234*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14)/(s123*s234*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s134*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D*s1234*s14)/(s134*s234*s34) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s124*s234*s34) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s124*s234*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(2*s124*s234*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23)/(s134*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D*s1234*s23)/(s134*s234*s34) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23)/
    (s124*s14*s234*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s23)/(s124*s14*s234*s34) + (3*CA*(CA - 2*CF)*s1234*s24)/
    (8*s12*s124*s34) - (3*CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s124*s34) + 
   (CA*(CA - 2*CF)*s1234*s24)/(4*s12*s134*s34) - (CA*(CA - 2*CF)*D*s1234*s24)/
    (16*s12*s134*s34) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24)/(s124*s134*s34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24)/(s124*s134*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s24)/(2*s124*s134*s34) - (5*CA*(CA - 2*CF)*s1234*s24)/
    (8*s124*s14*s34) + (CA*(CA - 2*CF)*D*s1234*s24)/(16*s124*s14*s34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s124*s14*s34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*s24)/(16*s12*s124*s14*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/(32*s12*s124*s14*s34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s134*s14*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24)/(8*s12*s134*s14*s34) + 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s124*s134*s14*s34) - (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24)/(s124*s134*s14*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24)/
    (2*s124*s134*s14*s34) - (CA*(CA - 2*CF)*s1234*s24)/(2*s123*s23*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(4*s123*s23*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(32*s123*s23*s34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s123*s23*s34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*s24)/(16*s12*s123*s23*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/(32*s12*s123*s23*s34) + 
   (CA*(CA - 2*CF)*s1234*s24)/(2*s134*s23*s34) - (CA*(CA - 2*CF)*D*s1234*s24)/
    (4*s134*s23*s34) + (CA*(CA - 2*CF)*D^2*s1234*s24)/(32*s134*s23*s34) - 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24)/
    (s123*s134*s23*s34) + (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24)/(s123*s134*s23*s34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s12*s1234*s24)/
    (2*s123*s134*s23*s34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s123*s134*s23*s34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s123*s134*s23*s34) + (7*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s134*s14*s23*s34) - (5*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s134*s14*s23*s34) + (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s134*s14*s23*s34) + (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s124*s234*s34) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s124*s234*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s124*s234*s34) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s24)/(s124*s14*s234*s34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24)/
    (s124*s14*s234*s34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s124*s14*s234*s34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s124*s14*s234*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s134*s14*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s134*s14*s234*s34) - (CA*(CA - 2*CF)*s1234*s24)/(4*s23*s234*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24)/
    (s123*s23*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24)/(s123*s23*s234*s34) + (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s23*s234*s34) - (CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s12*s23*s234*s34) + (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s123*s23*s234*s34) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s123*s23*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s24)/(2*s123*s23*s234*s34) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24)/
    (s134*s23*s234*s34) + (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24)/(s134*s23*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s12*s1234*s24)/
    (2*s134*s23*s234*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s134*s23*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s134*s23*s234*s34) - (5*CA*(CA - 2*CF)*s12*s1234*s24)/
    (8*s14*s23*s234*s34) + (CA*(CA - 2*CF)*D*s12*s1234*s24)/
    (8*s14*s23*s234*s34) + (7*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s14*s23*s234*s34) - (5*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s14*s23*s234*s34) + (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s14*s23*s234*s34) - (CA*(CA - 2*CF)*s1234*s14*s24)/
    (8*s12*s23*s234*s34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34)/(s123*s124*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s34)/(s123*s124*s14) - 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s134*s14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/(s123*s134*s14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s124*s134*s14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s124*s23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/(s123*s124*s23) - 
   (CA*(CA - 2*CF)*s1234*s34)/(4*s123*s14*s23) - (CA*(CA - 2*CF)*s1234*s34)/
    (4*s124*s14*s23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34)/(s123*s23*s234) - (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34)/(s124*s23*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s34)/(s124*s23*s234) + (CF*(-CA + 2*CF)*s1234*z1)/
    (2*s123^2*z12) - (CF*(-CA + 2*CF)*D*s1234*z1)/(4*s123^2*z12) - 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s12*s124*z12) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s12*s124*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     z1)/(s123*s124*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     z1)/(s123*s124*z12) + (CF*(-CA + 2*CF)*s1234*s13*z1)/
    (2*s12*s123^2*z12) - (CF*(-CA + 2*CF)*D*s1234*s13*z1)/
    (4*s12*s123^2*z12) + (CA*(CA - 2*CF)*s1234*z1)/(16*s123*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s124*s14*z12) + (CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s14*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z1)/
    (s12*s123*s124*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z1)/(s12*s123*s124*z12) + (CF*(-CA + 2*CF)*s1234*s23*z1)/
    (2*s12*s123^2*z12) - (CF*(-CA + 2*CF)*D*s1234*s23*z1)/
    (4*s12*s123^2*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1)/(s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s123*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s124*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*z1)/(s12*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23^2*z1)/
    (s12*s123*s134*s14*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*z1)/(s123*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D*s1234*z1)/(2*s123*s234*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s124*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(2*s124*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s12*s123*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(2*s12*s123*s234*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z1)/
    (s12*s124*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z1)/(2*s12*s124*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s12*s123*s234*z12) + (CF*(-CA + 2*CF)*s1234*s24*z1)/
    (2*s12*s124^2*z12) - (CF*(-CA + 2*CF)*D*s1234*s24*z1)/
    (4*s12*s124^2*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s12*s123*s124*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24*z1)/(s12*s123*s124*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s12*s124*s134*z12) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s14*z12) + (CF*(-CA + 2*CF)*s1234*s24*z1)/
    (2*s124^2*s14*z12) - (CF*(-CA + 2*CF)*D*s1234*s24*z1)/
    (4*s124^2*s14*z12) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s14*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s123*s124*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (s123*s124*s14*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z1)/(s12*s123*s124*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (s12*s123*s124*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s123*s134*s14*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s124*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s124*s134*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s12*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (2*s12*s123*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s23*z12) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s123*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s123*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s124*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s124*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s123*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s123*s14*s23*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z1)/(s12*s123*s124*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z1)/
    (s12*s123*s124*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z1)/(s12*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z1)/
    (2*s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z1)/(s12*s124*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s123*s234*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s12*s124*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24*z1)/(2*s12*s124*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s123*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s12*s123*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z1)/(s12*s124*s23*s234*z12) + 
   (CF*(-CA + 2*CF)*s1234*s24^2*z1)/(2*s12*s124^2*s14*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s24^2*z1)/(4*s12*s124^2*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z1)/
    (s12*s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2*z1)/(2*s12*s124*s134*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s12*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s12*s124*s14*s23*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z1)/
    (s12*s124*s23*s234*z12) - (3*CA*(CA - 2*CF)*s1234*z1)/(16*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1)/(16*s12*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(16*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z1)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s234*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z1)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1)/(16*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s124*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s134*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(8*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s134*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(32*s12*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z1)/(16*s12*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(32*s12*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z1)/(16*s12*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(32*s12*s134*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(32*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1)/(16*s12*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s12*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(8*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s12*s23*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s123*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s123*z14) - 
   (CF*(-CA + 2*CF)*s1234*z1)/(s124^2*z14) + (CF*(-CA + 2*CF)*D*s1234*z1)/
    (4*s124^2*z14) + (CA*(CA - 2*CF)*s1234*z1)/(16*s12*s124*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s124*z14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s124*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(s123*s124*z14) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s134*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(s123*s134*z14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s124*s134*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(s124*s134*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s14*z14) - 
   (CF*(-CA + 2*CF)*s12*s1234*z1)/(s124^2*s14*z14) + 
   (CF*(-CA + 2*CF)*D*s12*s1234*z1)/(4*s124^2*s14*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z1)/(16*s124*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s124*s14*z14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z1)/
    (s123*s124*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z1)/(s123*s124*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s123*s14*z14) - (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s14*z14) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s134*s14*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(s123*s134*s14*z14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s124*s134*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(s124*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*z1)/
    (2*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*z1)/(8*s123*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*z1)/(2*s124*s23*z14) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (8*s124*s23*z14) + (CA*(CA - 2*CF)*s12*s1234*z1)/(2*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1)/(8*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(2*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1)/(8*s124*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(8*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s124*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z1)/(8*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1)/(16*s134*s14*s23*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s124*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1)/(s12*s123*s134*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s123*s124*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*z1)/(s12*s123*s134*s14*z14) - (3*CA*(CA - 2*CF)*s1234*z1)/
    (8*s14*s234*z14) + (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s14*s234*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(4*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z1)/(16*s14*s23*s234*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s134*s14*s234*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s134*s14*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s14*z14) - (CF*(-CA + 2*CF)*s1234*s24*z1)/(s124^2*s14*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s24*z1)/(4*s124^2*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s124*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s124*s14*z14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s123*s124*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s134*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s23*z14) + (5*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s123*s14*s23*z14) - (5*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s123*s14*s23*z14) + (9*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s124*s14*s23*z14) - (5*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s124*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (16*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (4*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (16*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s134*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s14*s23*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*s24*z1)/(s12*s123*s124*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s134*s14*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s134*s14*s234*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s23*s234*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z1)/(8*s134*s14*s23*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s124*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s124*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s134*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s124*s14*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z1)/(16*s12*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/(32*s12*s134*s14*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z1)/(16*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s234*s34*z14) - 
   (5*CA*(CA - 2*CF)*s12*s1234*z1)/(16*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z1)/(16*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s14*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s124*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s124*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s134*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s134*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z1)/
    (s124*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s23*z1)/(2*s124*s14*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z1)/
    (s134*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s23*z1)/(2*s134*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s12*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(32*s12*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s134*s23*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s134*s14*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(32*s134*s14*s23*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z1)/(16*s12*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(32*s12*s124*s14*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s124*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s124*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s134*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s134*s234*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z1)/(s124*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z1)/
    (2*s124*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s134*s14*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (2*s134*s14*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s12*s1234*s24*z1)/
    (16*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z1)/
    (16*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s14*s23*s234*s34*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z1)/(s124*s14*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z1)/
    (2*s124*s14*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s124*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s124*s14*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s124*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z1)/
    (2*s124*s14*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (16*s14*s23*s234*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s123*s14*z14) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s123*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (s123*s134*s14*z14) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s124*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (s124*s134*s14*z14) + (5*CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (8*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (2*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (8*s124*s14*s23*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*s34*z1)/(s12*s123*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s12*s124*z12*z14) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s12*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s12*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s23*z1^2)/
    (16*s12*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/
    (16*s12*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s12*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s123*z12) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s123*z12) + 
   (CF*(-CA + 2*CF)*s1234*z2)/(2*s124^2*z12) - (CF*(-CA + 2*CF)*D*s1234*z2)/
    (4*s124^2*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/
    (s123*s124*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/
    (s123*s124*z12) + (CF*(-CA + 2*CF)*s1234*s13*z2)/(2*s12*s123^2*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z2)/(4*s12*s123^2*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s124*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s12*s123*s124*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s134*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(2*s123*s134*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s124*s134*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/
    (2*s124*s134*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s12*s123*s134*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z2)/(2*s12*s123*s134*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s123*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s124*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13^2*z2)/(s12*s123*s134*s14*z12) + (CF*(-CA + 2*CF)*s1234*s14*z2)/
    (2*s12*s124^2*z12) - (CF*(-CA + 2*CF)*D*s1234*s14*z2)/
    (4*s12*s124^2*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s12*s124*s134*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (2*s12*s124*s134*z12) - (CA*(CA - 2*CF)*s1234*z2)/(16*s123*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s123*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s124*s23*z12) + (CF*(-CA + 2*CF)*s1234*s13*z2)/(2*s123^2*s23*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z2)/(4*s123^2*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s23*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s124*s23*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s123*s124*s23*z12) + (CF*(-CA + 2*CF)*s1234*s13^2*z2)/
    (2*s12*s123^2*s23*z12) - (CF*(-CA + 2*CF)*D*s1234*s13^2*z2)/
    (4*s12*s123^2*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s123*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s124*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s123*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s124*s23*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2)/(s12*s123*s124*s23*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z2)/
    (s12*s123*s124*s23*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z2)/(s12*s123*s124*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*z2)/
    (s12*s123*s124*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z2)/(s12*s123*s134*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s23*z2)/(2*s12*s123*s134*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z2)/
    (s12*s123*s134*s14*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s12*s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (2*s12*s123*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s12*s123*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s124*s23*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z2)/
    (s12*s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2*z2)/(2*s12*s123*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s123*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2)/
    (s12*s123*s23*s234*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2)/(s12*s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z2)/
    (2*s12*s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14^2*z2)/(s12*s124*s23*s234*z12) + (CF*(-CA + 2*CF)*s1234*s24*z2)/
    (2*s12*s124^2*z12) - (CF*(-CA + 2*CF)*D*s1234*s24*z2)/
    (4*s12*s124^2*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z2)/(s12*s124*s134*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z2)/
    (2*s12*s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z2)/(s12*s124*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s124*s23*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s12*s123*s124*s23*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (s12*s123*s124*s23*z12) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s124*s14*s23*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s12*s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (2*s12*s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z2)/(s12*s124*s23*s234*z12) - (3*CA*(CA - 2*CF)*s1234*z2)/
    (16*s124*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s124*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s134*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s134*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s134*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s134*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s124*s14*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s124*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s14*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s14*s34*z12) + (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s134*s14*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s123*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s123*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s124*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s124*s34*z12) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (8*s12*s134*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s134*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s123*s23*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s123*s23*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s123*s23*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s123*s23*s34*z12) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s123*s23*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s123*s23*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (16*s12*s123*s23*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/
    (32*s12*s123*s23*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s23*z2)/
    (16*s12*s124*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s23*z2)/
    (16*s12*s134*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s23*z2)/
    (16*s12*s134*s34*z12) + (CA*(CA - 2*CF)*s1234*s13*s23*z2)/
    (16*s12*s134*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s234*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s23*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s23*s234*s34*z12) - (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (8*s12*s23*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s23*s234*s34*z12) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s23*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s23*s234*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (16*s12*s23*s234*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/
    (32*s12*s23*s234*s34*z12) + (CA*(CA - 2*CF)*s1234*s14^2*z2)/
    (16*s12*s23*s234*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s124*s34*z12) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s12*s134*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s134*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s124*s14*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s134*s14*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s123*s23*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (8*s12*s123*s23*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s23*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s23*s234*s34*z12) + (CA*(CA - 2*CF)*s1234*s14*s24*z2)/
    (16*s12*s23*s234*s34*z12) + (CA*(CA - 2*CF)*s1234*z2)/(4*s12*s123*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s123*z14) + 
   (CF*(-CA + 2*CF)*s1234*z2)/(2*s124^2*z14) + (CA*(CA - 2*CF)*s1234*z2)/
    (4*s12*s124*z14) - (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s124*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s124*z14) + (5*CA*(CA - 2*CF)*s1234*z2)/(16*s12*s134*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s134*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s134*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s12*s124*s134*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13^2*z2)/(s12*s123*s134*s14*z14) + (CF*(-CA + 2*CF)*s1234*s14*z2)/
    (2*s12*s124^2*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s12*s124*s134*z14) - (CA*(CA - 2*CF)*s1234*z2)/
    (8*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s123*s23*z14) - 
   (5*CA*(CA - 2*CF)*s1234*z2)/(16*s124*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s23*z14) - 
   (7*CA*(CA - 2*CF)*s1234*z2)/(16*s134*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s123*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s12*s123*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s134*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s134*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s123*s23*z14) - 
   (5*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s124*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s124*s23*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s134*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/
    (2*s134*s234*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s134*s14*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z2)/(2*s134*s14*s234*z14) - (CA*(CA - 2*CF)*s1234*z2)/
    (4*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s23*s234*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s14*s23*s234*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s14*s23*s234*z14) + 
   (CF*(-CA + 2*CF)*s1234*s24*z2)/(2*s12*s124^2*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2)/
    (s12*s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s12*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s123*s23*z14) - (5*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s124*s14*s23*z14) - (5*CA*(CA - 2*CF)*s1234*z2)/
    (16*s124*s34*z14) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s12*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(32*s12*s134*s14*s34*z14) - 
   (5*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s124*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s124*s34*z14) + 
   (5*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s134*s23*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s134*s14*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(32*s134*s14*s23*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s134*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s134*s23*s34*z14) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z2)/
    (s124*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z2)/(2*s124*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s124*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s124*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s134*s234*s34*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z2)/(s124*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z2)/
    (2*s124*s14*s234*s34*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z2)/(s134*s14*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z2)/
    (2*s134*s14*s234*s34*z14) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2)/(s124*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (2*s124*s234*s34*z14) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2)/(s134*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (2*s134*s234*s34*z14) - (5*CA*(CA - 2*CF)*s12*s1234*z2)/
    (16*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s12*s1234*z2)/
    (16*s23*s234*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s23*s234*s34*z14) + (3*CA*(CA - 2*CF)*s12*s1234*s13*z2)/
    (16*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z2)/
    (16*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (8*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s14*s23*s234*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s23*s234*s34*z14) - (5*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s124*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s124*s14*s34*z14) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s124*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z2)/
    (2*s124*s234*s34*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s124*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (2*s124*s14*s234*s34*z14) - (5*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s23*s234*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s14*s23*s234*s34*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s12*s124*s134*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s12*s123*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s123*s23*z14) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (4*s12*s124*s23*z14) + (CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (16*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s123*z12*z14) - (CF*(-CA + 2*CF)*s1234*z1*z2)/(s124^2*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1*z2)/
    (s123*s124*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z1*z2)/(s12*s123*s124*z12*z14) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s134*z12*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*z1*z2)/(s123*s134*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1*z2)/
    (s124*s134*z12*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z1*z2)/(s12*s123*s134*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1*z2)/
    (s12*s124*s134*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s123*s14*z12*z14) - (CF*(-CA + 2*CF)*s12*s1234*z1*z2)/
    (2*s124^2*s14*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z1*z2)/(s123*s124*s14*z12*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s123*s14*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1*z2)/
    (s123*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s134*s14*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s134*s14*z12*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z1*z2)/(s123*s134*s14*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1*z2)/
    (s124*s134*s14*z12*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z1*z2)/(s12*s123*s134*s14*z12*z14) - 
   (CF*(-CA + 2*CF)*s1234*s14*z1*z2)/(2*s12*s124^2*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z1*z2)/
    (s12*s124*s134*z12*z14) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s123*s23*z12*z14) + (7*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s23*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s23*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (4*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (4*s124*s14*s23*z12*z14) - (7*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s123*s14*s23*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s124*s14*s23*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (16*s12*s123*s14*s23*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s124*s23*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1*z2)/(s12*s123*s124*z12*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1*z2)/
    (s12*s123*s134*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1*z2)/(s123*s124*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(8*s12*s134*s14*z12*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z1*z2)/
    (s12*s123*s134*s14*z12*z14) - (CF*(-CA + 2*CF)*s1234*s24*z1*z2)/
    (s12*s124^2*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1*z2)/(s12*s124*s134*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (4*s12*s123*s14*z12*z14) - (CF*(-CA + 2*CF)*s1234*s24*z1*z2)/
    (s124^2*s14*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1*z2)/(s123*s124*s14*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1*z2)/
    (s12*s123*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (4*s12*s134*s14*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1*z2)/(s12*s124*s134*s14*z12*z14) + 
   (7*CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s124*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(4*s123*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(2*s124*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(4*s12*s123*s14*s23*z12*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s12*s124*s14*s23*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1*z2)/
    (s12*s123*s124*s14*z12*z14) - (CF*(-CA + 2*CF)*s1234*s24^2*z1*z2)/
    (2*s12*s124^2*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (4*s12*s124*s14*s23*z12*z14) + (7*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s34*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s134*s34*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (4*s124*s14*s34*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (4*s134*s14*s34*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (16*s12*s134*s14*s34*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s124*s34*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s23*z1*z2)/
    (8*s12*s134*s14*s34*z12*z14) + (7*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (4*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (2*s124*s14*s34*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (4*s12*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*s24*z1*z2)/
    (8*s12*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (4*s12*s124*s14*s34*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1*z2)/
    (s12*s124*s134*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s12*s123*s14*z12*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1*z2)/(s123*s134*s14*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1*z2)/
    (s124*s134*s14*z12*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z1*z2)/(s12*s123*s134*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(4*s12*s124*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(4*s123*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(4*s124*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(4*s12*s123*s14*s23*z12*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z1*z2)/
    (s12*s123*s134*s14*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1*z2)/
    (s12*s124*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (4*s12*s124*s14*s23*z12*z14) + (CF*(-CA + 2*CF)*s1234*z1)/
    (2*s123^2*z23) + (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s123*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s12*s123*z23) + 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s124*z23) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s12*s124*z23) + (CF*(-CA + 2*CF)*s1234*s13*z1)/(2*s12*s123^2*z23) - 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s124*s14*z23) - (5*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s123*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s12*s123*s14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1)/
    (8*s12*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s12*s124*s14*z23) - (CA*(CA - 2*CF)*s1234*z1)/(4*s134*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s14*z23) + 
   (CF*(-CA + 2*CF)*s1234*s23*z1)/(2*s12*s123^2*z23) - 
   (5*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s123*s14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s124*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s124*s14*z23) + 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s234*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s134*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z1)/
    (2*s134*s234*z23) - (7*CA*(CA - 2*CF)*s1234*z1)/(16*s14*s234*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s14*s234*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s14*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s12*s123*s124*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s134*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s14*s23*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s12*s123*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s23*s234*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s134*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s134*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s124*s14*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s12*s124*s23*s234*z23) - (5*CA*(CA - 2*CF)*s1234*z1)/
    (16*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s34*z23) - 
   (5*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s34*z23) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z1)/
    (s123*s134*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z1)/(2*s123*s134*s34*z23) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s134*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(2*s123*s134*s34*z23) - (5*CA*(CA - 2*CF)*s12*s1234*z1)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1)/
    (16*s134*s14*s34*z23) - (5*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (16*s134*s14*s34*z23) - (5*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s123*s34*z23) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1)/(s123*s134*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (2*s123*s134*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s134*s14*s34*z23) + (5*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s234*s34*z23) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1)/(s134*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (2*s134*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s34*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s123*s134*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s123*s134*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s123*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s123*s23*s34*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s24*z1)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z1)/
    (2*s123*s134*s23*s34*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (2*s123*s134*s23*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s24*z1)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z1)/
    (16*s134*s14*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s12*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s134*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s23*s234*s34*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s134*s23*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z1)/
    (2*s134*s23*s234*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (4*s12*s123*s14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s124*s14*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s12*s123*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (16*s12*s124*s14*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1)/(s12*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s12*s123*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (16*s12*s123*z14*z23) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (4*s12*s124*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (16*s12*s124*z14*z23) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (32*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (32*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (32*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (32*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s134*s14*z14*z23) - (5*CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s124*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s134*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s134*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1^2)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s134*s14*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z1^2)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (32*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (32*s12*s124*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) - (CF*(-CA + 2*CF)*s1234*z2)/(s123^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*z2)/(4*s123^2*z23) + (CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s123*z23) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s123*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z2)/(16*s12*s124*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s124*z23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s124*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(s123*s124*z23) + 
   (CA*(CA - 2*CF)*s1234*z2)/(2*s123*s14*z23) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (8*s123*s14*z23) + (CA*(CA - 2*CF)*s1234*z2)/(2*s124*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(8*s124*s14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s124*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s14*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s12*s123*s124*z23) - (CF*(-CA + 2*CF)*s12*s1234*z2)/(s123^2*s23*z23) + 
   (CF*(-CA + 2*CF)*D*s12*s1234*z2)/(4*s123^2*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z2)/(16*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s23*z23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z2)/
    (s123*s124*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z2)/(s123*s124*s23*z23) - (CF*(-CA + 2*CF)*s1234*s13*z2)/
    (s123^2*s23*z23) + (CF*(-CA + 2*CF)*D*s1234*s13*z2)/(4*s123^2*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s23*z23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s124*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s123*s124*s23*z23) - (3*CA*(CA - 2*CF)*s1234*z2)/
    (8*s134*s23*z23) + (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s23*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z2)/(2*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z2)/(8*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z2)/(2*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z2)/(8*s124*s14*s23*z23) + 
   (9*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s123*s14*s23*z23) - 
   (5*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s123*s14*s23*z23) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s124*s14*s23*z23) - 
   (5*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s12*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(32*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(8*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(32*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z2)/(4*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z2)/(16*s134*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s134*s14*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s123*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*z2)/(s12*s123*s124*s23*z23) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(s123*s234*z23) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s124*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(s124*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s12*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*z2)/(16*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s134*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z2)/
    (8*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2)/
    (16*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s14*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s23*s234*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2)/(s134*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (2*s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s23*z23) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s123*s14*s23*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (4*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s123*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s23*z23) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s123*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z2)/
    (s123*s23*s234*z23) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z2)/(s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z2)/
    (s124*s23*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*s24*z2)/(s12*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s123*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s123*s34*z23) - (3*CA*(CA - 2*CF)*s1234*z2)/(16*s134*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s134*s34*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s134*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s14*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s123*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2)/(s123*s134*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (2*s123*s134*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s123*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s123*s23*s34*z23) - (5*CA*(CA - 2*CF)*s12*s1234*z2)/
    (16*s134*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2)/
    (16*s134*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s134*s23*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z2)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z2)/
    (2*s123*s134*s23*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z2)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z2)/
    (2*s123*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z2)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z2)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (16*s134*s14*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s123*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (16*s12*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/
    (32*s12*s123*s23*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s14*z2)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s14*z2)/
    (2*s123*s134*s23*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z2)/
    (2*s123*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*z2)/(16*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s134*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s134*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s14*s234*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s234*s34*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2)/(s134*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (2*s134*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s134*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s134*s14*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s23*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s134*s23*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (2*s134*s23*s234*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z2)/
    (8*s14*s23*s234*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s14*s23*s234*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s14*s24*z2)/
    (16*s12*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/
    (32*s12*s23*s234*s34*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z2)/(s134*s23*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z2)/
    (2*s134*s23*s234*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s124*s23*z23) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (2*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (8*s123*s14*s23*z23) + (5*CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (8*s124*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (16*s12*s124*s14*s23*z23) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s123*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (s123*s23*s234*z23) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z2)/(s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (s124*s23*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*s34*z2)/(s12*s124*s23*s234*z23) - (CF*(-CA + 2*CF)*s1234*z1*z2)/
    (s123^2*z12*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/(16*s12*s124*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1*z2)/
    (s123*s124*z12*z23) - (CF*(-CA + 2*CF)*s1234*s13*z1*z2)/
    (s12*s123^2*z12*z23) + (7*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s123*s14*z12*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s14*z12*z23) + (7*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s14*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z1*z2)/(s12*s123*s124*z12*z23) - 
   (CF*(-CA + 2*CF)*s12*s1234*z1*z2)/(2*s123^2*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(4*s124*s23*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z1*z2)/
    (s123*s124*s23*z12*z23) - (CF*(-CA + 2*CF)*s1234*s13*z1*z2)/
    (s123^2*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (4*s12*s124*s23*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z1*z2)/(s123*s124*s23*z12*z23) - 
   (CF*(-CA + 2*CF)*s1234*s13^2*z1*z2)/(2*s12*s123^2*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z2)/(4*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z2)/(4*s124*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(2*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(4*s124*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/(4*s12*s123*s14*s23*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z1*z2)/
    (s123*s124*s23*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z1*z2)/(s12*s123*s124*s23*z12*z23) - 
   (CF*(-CA + 2*CF)*s1234*s23*z1*z2)/(2*s12*s123^2*z12*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/(16*s12*s123*s14*z12*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z2)/(16*s12*s234*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1*z2)/
    (s123*s234*z12*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     z1*z2)/(s124*s234*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1*z2)/
    (s12*s123*s234*z12*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z1*z2)/(s12*s124*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (4*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s12*s23*s234*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1*z2)/(s12*s123*s234*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1*z2)/
    (s12*s123*s124*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s123*s14*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s14*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s23*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1*z2)/(s123*s124*s23*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1*z2)/
    (s12*s123*s124*s23*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s123*s14*s23*z12*z23) - (7*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s124*s14*s23*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (4*s12*s124*s14*s23*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1*z2)/
    (s12*s123*s234*z12*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1*z2)/(s12*s124*s234*z12*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s23*s234*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1*z2)/
    (s123*s23*s234*z12*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1*z2)/(s124*s23*s234*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1*z2)/
    (s12*s123*s23*s234*z12*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z1*z2)/
    (s12*s124*s23*s234*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (16*s12*s124*s14*s23*z12*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z1*z2)/
    (s12*s124*s23*s234*z12*z23) + (7*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s123*s34*z12*z23) + (7*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (4*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (2*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (4*s12*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s14*z1*z2)/
    (8*s12*s123*s23*s34*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (4*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s12*s234*s34*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s234*s34*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s123*s34*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s123*s23*s34*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s123*s23*s34*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (4*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (4*s12*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*s24*z1*z2)/
    (8*s12*s23*s234*s34*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (16*s12*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s12*s123*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s12*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (4*s12*s123*s14*s23*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1*z2)/
    (s12*s123*s234*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1*z2)/(s123*s23*s234*z12*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1*z2)/
    (s124*s23*s234*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z1*z2)/(s12*s123*s23*s234*z12*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z1*z2)/
    (s12*s124*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (4*s12*s124*s14*s23*z12*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1*z2)/
    (s12*s124*s23*s234*z12*z23) + (5*CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s123*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (8*s12*s123*z14*z23) + (5*CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s124*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (8*s12*s124*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s134*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s134*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (8*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s14*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s134*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (16*s134*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z1*z2)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s134*s14*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z1*z2)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (32*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (32*s12*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (32*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z2)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z2)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s12*s123*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s123*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s123*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (16*s12*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (16*s12*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (16*s12*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/
    (16*s12*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (16*s12*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*s24*z2^2)/
    (16*s12*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (4*s12*s123*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (16*s12*s123*z14*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s12*s124*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (16*s12*s124*z14*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (32*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (32*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s12*s123*s23*z14*z23) - (5*CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/
    (32*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (8*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/
    (32*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/
    (32*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2^2)/
    (16*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z2^2)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (8*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (32*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z2^2)/
    (32*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z2^2)/
    (32*s12*s124*s14*s23*z14*z23) - (CF*(-CA + 2*CF)*s1234*z3)/
    (2*s123^2*z12) + (CF*(-CA + 2*CF)*D*s1234*z3)/(4*s123^2*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s124*s134*z12) - 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s123*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*
     z3)/(s123*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s124*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s123*s134*s14*z12) - (CF*(-CA + 2*CF)*s12*s1234*z3)/(2*s123^2*s23*z12) + 
   (CF*(-CA + 2*CF)*D*s12*s1234*z3)/(4*s123^2*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s124*s23*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s123*s124*s23*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (s123*s124*s23*z12) - (CF*(-CA + 2*CF)*s1234*s13*z3)/(2*s123^2*s23*z12) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*z3)/(4*s123^2*s23*z12) - 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(16*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s123*s14*s23*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s124*s23*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(s123*s124*s23*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s23*z3)/
    (s123*s134*s14*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     z3)/(s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     z3)/(2*s123*s234*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s123*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (2*s123*s23*s234*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (2*s124*s23*s234*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3)/(s123*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z3)/
    (2*s123*s23*s234*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (2*s124*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s124*s134*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s124*s23*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(s123*s124*s23*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s124*s14*s23*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s124*s23*s234*z12) + (3*CA*(CA - 2*CF)*s1234*z3)/(16*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(16*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s123*s23*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z3)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*z3)/(8*s234*s34*z12) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s234*s34*z12) + (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(8*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s23*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s23*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(8*s123*s23*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z3)/(8*s12*s123*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s124*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s134*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*z3)/(16*s134*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s123*s134*s14*z14) - (5*CA*(CA - 2*CF)*s1234*z3)/(16*s123*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s124*s23*z14) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s14*s23*z14) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s134*s14*s23*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s134*s14*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (2*s134*s14*s234*z14) - (CA*(CA - 2*CF)*s12*s1234*z3)/
    (8*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s23*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s124*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*z3)/(16*s124*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s134*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(16*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s134*s14*s34*z14) - 
   (7*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s134*s23*s34*z14) + 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s134*s23*s34*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z3)/(16*s134*s14*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/(32*s134*s14*s23*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s124*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s124*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s134*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s134*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12^2*s1234*z3)/
    (s124*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12^2*s1234*z3)/(2*s124*s14*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z3)/
    (s134*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s13*z3)/(2*s134*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s23*s234*s34*z14) - 
   (3*CA*(CA - 2*CF)*s12^2*s1234*z3)/(16*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3)/(16*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3)/(8*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/(32*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s134*s23*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3)/
    (s124*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s24*z3)/(2*s124*s14*s234*s34*z14) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z3)/(16*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/(16*s14*s23*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s34*z3)/
    (s123*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s34*z3)/
    (16*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s123*s14*s23*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s124*s14*s34*z12*z14) - (CF*(-CA + 2*CF)*s1234*z3)/(2*s123^2*z23) + 
   (5*CA*(CA - 2*CF)*s1234*z3)/(16*s123*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s124*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s14*z23) - 
   (CF*(-CA + 2*CF)*s12*s1234*z3)/(2*s123^2*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s123*s23*z23) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s123*s23*z23) - (CA*(CA - 2*CF)*s1234*z3)/(4*s124*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s124*s23*z23) - 
   (CF*(-CA + 2*CF)*s1234*s13*z3)/(2*s123^2*s23*z23) + 
   (5*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(8*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s124*s14*s23*z23) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(8*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(4*s134*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s134*s14*s23*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s234*z23) - 
   (5*CA*(CA - 2*CF)*s1234*z3)/(16*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s23*s234*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s134*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s134*s23*s234*z23) + (7*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s14*s23*s234*z23) - (3*CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s124*s23*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s123*s14*s23*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s23*s234*z23) + (5*CA*(CA - 2*CF)*s1234*z3)/
    (16*s123*s34*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s34*z23) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s134*s34*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s123*s134*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s134*s14*s34*z23) + (5*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s123*s23*s34*z23) + (5*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s123*s23*s34*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12^2*s1234*z3)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12^2*s1234*z3)/
    (2*s123*s134*s23*s34*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13*z3)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z3)/
    (2*s123*s134*s23*s34*z23) + (5*CA*(CA - 2*CF)*s12^2*s1234*z3)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12^2*s1234*z3)/
    (16*s134*s14*s23*s34*z23) + (5*CA*(CA - 2*CF)*s12*s1234*s13*z3)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/
    (16*s134*s14*s23*s34*z23) - (5*CA*(CA - 2*CF)*s1234*z3)/
    (16*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*z3)/(32*s234*s34*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s134*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s134*s234*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (4*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/
    (32*s134*s14*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s23*s234*s34*z23) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3)/(s134*s23*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z3)/
    (2*s134*s23*s234*s34*z23) + (5*CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (16*s14*s23*s234*s34*z23) - (3*CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/
    (32*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s34*z3)/
    (4*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s34*z3)/
    (16*s124*s14*s23*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z3)/(s123*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s12*s123*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s134*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (4*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s14*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s14*s234*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s134*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s134*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s134*s14*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12^2*s1234*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (4*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s14*s234*s34*z14*z23) - (9*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s14*s34*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z3)/
    (32*s134*s14*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (2*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (8*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z3)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s14*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s12*s123*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s123*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s12*s123*s23*z12*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s12*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s12*s123*z14*z23) + (5*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (2*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s12*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s134*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s134*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s134*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s134*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s134*s23*s34*z14*z23) - (9*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s134*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s134*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*s13*z2*z3)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z3)/
    (32*s134*s14*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (2*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12^2*s1234*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z3)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/
    (32*s14*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s134*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (4*s12*s123*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (8*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (8*s12*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (4*s123*s23*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (8*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (4*s12*s123*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (8*s12*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2*z3)/
    (8*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2*z3)/
    (8*s124*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (4*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (8*s124*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z3)/
    (8*s12*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/
    (4*s12*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (8*s12*s123*s14*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (8*s12*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (8*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (4*s124*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/
    (8*s12*s123*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/(8*s12*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z3)/(8*s12*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(8*s12*s123*s14*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(8*s12*s124*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(8*s123*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(8*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2*z3)/(8*s12*s123*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2*z3)/(8*s12*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(32*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(8*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(32*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3^2)/(8*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(16*s134*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12^2*s1234*z3^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z3^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(4*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(16*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12^2*s1234*z3^2)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3^2)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3^2)/(16*s123*s14*s23*z14*z23) - 
   (9*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s123*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s123*z34) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s134*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(2*s123*s134*z34) + 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s14*z34) - 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s123*s23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s124*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s124*s14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s134*s14*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s234*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s234*z34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z1)/
    (2*s123*s234*z34) + (3*CA*(CA - 2*CF)*s1234*z1)/(16*s14*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s14*s234*z34) + 
   (9*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s124*s14*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s124*s14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s134*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s134*s14*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s124*s134*s14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s124*s134*s14*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s23*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s14*s23*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s124*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s23*s234*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s23*s234*z34) - (5*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (16*s12*s123*s34*z34) - (3*CA*(CA - 2*CF)*s1234*z1)/(16*s134*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s34*z34) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s134*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(2*s123*s134*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s134*s14*s34*z34) - (5*CA*(CA - 2*CF)*s1234*s14*z1)/
    (16*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1)/
    (16*s12*s123*s34*z34) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z1)/(s123*s134*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z1)/
    (2*s123*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s23*z1)/
    (4*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s123*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (8*s12*s124*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z1)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/
    (32*s12*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s23*z1)/
    (16*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/
    (32*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s23^2*z1)/
    (16*s12*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s234*s34*z34) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1)/(s123*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (2*s123*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s14*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s123*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s12*s124*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s134*s34*z34) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s124*s134*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s124*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (4*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s134*s14*s34*z34) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s124*s134*s14*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (2*s124*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s123*s23*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s23*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s134*s14*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z1)/
    (16*s12*s123*s23*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*s24*z1)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/
    (16*s12*s124*s14*s34*z34) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s123*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s123*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s14*s234*s34*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z1)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z1)/
    (2*s124*s14*s234*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s123*s23*s34*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z1)/
    (2*s124*s14*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s23*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s14*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s14*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1^2)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (32*s12*s124*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (4*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (16*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (8*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (16*s134*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s23*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23^2*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23^2*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23^2*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23^2*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (4*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (16*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (16*s134*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z1^2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s12*s123*s23*s34*z12*z34) - (9*CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s124*z34) + (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s124*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z2)/(16*s12*s134*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s134*z34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s124*s134*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/
    (2*s124*s134*z34) - (CA*(CA - 2*CF)*s1234*z2)/(8*s124*s14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s124*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s134*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s123*s23*z34) + (9*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s123*s23*z34) - (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s123*s23*z34) + (3*CA*(CA - 2*CF)*s1234*z2)/(16*s134*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s23*z34) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s134*s23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s134*s23*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s14*s23*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s123*s23*z34) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*z2)/(s124*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*z2)/(2*s124*s234*z34) - (CA*(CA - 2*CF)*s1234*z2)/
    (16*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s23*s234*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s23*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s23*s234*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s23*s234*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s14*s23*s234*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (4*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s123*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s12*s124*s34*z34) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s124*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (2*s124*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (8*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z2)/
    (8*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s123*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (4*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s134*s34*z34) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2)/(s124*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (2*s124*s134*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (16*s12*s123*s23*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s134*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s134*s23*s34*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z2)/(s123*s134*s23*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z2)/
    (2*s123*s134*s23*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s134*s14*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s134*s14*s23*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (8*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/
    (16*s12*s123*s23*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s134*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s134*s23*s34*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2)/(s123*s134*s23*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z2)/
    (2*s123*s134*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s14^2*z2)/
    (16*s12*s123*s23*s34*z34) - (5*CA*(CA - 2*CF)*s1234*s23*z2)/
    (16*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z2)/
    (16*s12*s124*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z2)/
    (16*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*z2)/
    (16*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s234*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s234*s34*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s14*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s234*s34*z34) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z2)/(s124*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*z2)/
    (2*s124*s234*s34*z34) - (5*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s12*s124*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (4*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z2)/
    (8*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/
    (32*s12*s123*s23*s34*z34) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s124*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z2)/
    (2*s124*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s23*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s23*s234*s34*z34) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s123*s23*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (2*s123*s23*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s14*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s14*s23*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*s24*z2)/
    (16*s12*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/
    (32*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s134*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s12*s134*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (8*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s12*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (8*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s123*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (4*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (16*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (16*s134*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/
    (32*s12*s134*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s124*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14^2*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s123*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s124*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z2)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s23*z1*z2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z2)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23^2*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s124*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (4*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (16*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z2)/
    (32*s12*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (16*s23*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (32*s12*s23*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*s24*z1*z2)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z2)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (8*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/
    (32*s12*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (4*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (16*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (4*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (16*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14^2*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14^2*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2^2)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z2^2)/
    (16*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s12*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (32*s12*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (16*s23*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (8*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (16*s23*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14^2*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14^2*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*s24*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*z3)/
    (16*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*z3)/(16*s123*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s134*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s123*s134*s23*z34) - (CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s134*s14*s23*z34) + (CA*(CA - 2*CF)*s1234*z3)/(16*s23*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s23*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s123*s23*s234*z34) + (CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*z3)/(4*s123*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(8*s124*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(8*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s12*s123*s34*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z3)/(16*s134*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(8*s124*s14*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s124*s14*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s134*s14*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s134*s14*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s12*s123*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(16*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s134*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s134*s23*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z3)/
    (s123*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s13*z3)/(2*s123*s134*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3)/(16*s134*s14*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/(32*s134*s14*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s123*s23*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z3)/
    (s123*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s14*z3)/(2*s123*s134*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3)/(4*s12*s124*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z3)/(16*s12*s124*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3)/(8*s12*s134*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3)/(16*s124*s14*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z3)/(8*s12*s134*s14*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s123*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s12*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s12*s234*s34*z34) + (CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z3)/
    (4*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s124*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s134*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (4*s123*s23*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s23*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3)/(s123*s23*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z3)/
    (2*s123*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (16*s14*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/
    (32*s14*s23*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (4*s12*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/
    (16*s12*s23*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s123*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (4*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (16*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (16*s134*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (8*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/
    (32*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (16*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/
    (32*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z1*z3)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23^2*z1*z3)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (4*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s134*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s124*s14*s34*z12*z34) - (5*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (4*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (16*s12*s124*s14*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s134*s14*s34*z12*z34) + (7*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z3)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/
    (4*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z3)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z3)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (4*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s134*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s123*s34*z12*z34) - (5*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (16*s12*s134*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (4*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (16*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (2*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (32*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (8*s12*s123*s23*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14^2*z2*z3)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (16*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z2*z3)/
    (16*s12*s134*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (32*s12*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (16*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (7*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s23*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (32*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14^2*z2*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s12*s123*s23*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z2*z3)/
    (32*s12*s123*s23*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z2*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s14*z23*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s14*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s14*s23*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s14*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s14*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (16*s12*s123*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (16*s12*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (16*s14*s234*s34*z23*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s34*z23*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s123*s23*s34*z23*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s123*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s134*s14*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s234*s34*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s23*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s14*s23*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s134*s23*z23*z34) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s134*s14*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s134*s14*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s14*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s14*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s123*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s123*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s123*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (16*s12*s123*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s12*s1234*s13*z2*z3)/
    (8*s134*s14*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (16*s134*s14*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (16*s12*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s14*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s14*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s23*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s23*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s12*s1234*s24*z2*z3)/
    (8*s14*s23*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s14*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (16*s12*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (8*s12*s234*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (4*s23*s234*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (8*s12*s23*s234*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/
    (8*s12*s23*s234*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (8*s12*s23*s234*z12*z23*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (8*s123*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (4*s12*s123*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/
    (8*s12*s123*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s12*s1234*z1*z2*z3)/
    (4*s123*s23*s34*z12*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (8*s123*s23*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z3)/
    (8*s12*s123*s23*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/
    (8*s123*s23*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z1*z2*z3)/
    (8*s12*s123*s23*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z2*z3)/
    (8*s12*s123*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (4*s234*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (8*s12*s234*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/
    (8*s12*s234*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z2*z3)/
    (8*s12*s234*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (8*s12*s123*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (8*s123*s23*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/
    (8*s12*s123*s23*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (4*s12*s234*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (4*s23*s234*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/
    (8*s12*s23*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z2*z3)/(8*s12*s23*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z3)/(8*s12*s23*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(32*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(8*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/(32*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3^2)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(32*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(4*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(8*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(8*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/(32*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(32*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3^2)/(16*s134*s14*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s14*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/(16*s14*s23*s234*s34*z23*z34) - 
   (CF*(-CA + 2*CF)*s1234*z4)/(2*s124^2*z12) + (CF*(-CA + 2*CF)*D*s1234*z4)/
    (4*s124^2*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/
    (s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z4)/
    (2*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*z4)/(16*s123*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s14*z12) - 
   (CF*(-CA + 2*CF)*s12*s1234*z4)/(2*s124^2*s14*z12) + 
   (CF*(-CA + 2*CF)*D*s12*s1234*z4)/(4*s124^2*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s124*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(s123*s124*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s124*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(s123*s124*s14*z12) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s123*s134*s14*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s124*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s124*s134*s14*z12) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s123*s134*s14*z12) - (CA*(CA - 2*CF)*s1234*z4)/
    (16*s124*s23*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s23*z12) + 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s123*s14*s23*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s123*s124*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(s123*s124*s14*z12) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s123*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*z4)/(s124*s23*s234*z12) - (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (2*s124^2*s14*z12) + (CF*(-CA + 2*CF)*D*s1234*s24*z4)/
    (4*s124^2*s14*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s124*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24*z4)/(2*s124*s134*s14*z12) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s124*s14*s23*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s124*s23*s234*z12) - (3*CA*(CA - 2*CF)*s1234*z4)/
    (16*s123*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s134*s34*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s134*s34*z12) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s124*s14*s34*z12) - (3*CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s124*s14*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s124*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (8*s124*s14*s34*z12) + (CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s14*s34*z12) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s14*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s134*s14*s34*z12) + (CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s123*s23*s34*z12) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s123*s23*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s23*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s123*s23*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s124*s14*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s134*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s134*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/(32*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z4)/(16*s23*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z4)/(16*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(8*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(16*s23*s234*s34*z12) - 
   (CF*(-CA + 2*CF)*s1234*z4)/(2*s124^2*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s124*s134*z14) - 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s123*s14*z14) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s123*s14*z14) - (CF*(-CA + 2*CF)*s12*s1234*z4)/(2*s124^2*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s124*s14*z14) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s123*s14*z14) - 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s134*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s14*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s124*s134*s14*z14) + (3*CA*(CA - 2*CF)*s1234*z4)/(16*s123*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s23*z14) + 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s23*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(8*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s123*s14*s23*z14) + 
   (5*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s124*s14*s23*z14) + 
   (7*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s134*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s134*s14*s23*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s134*s14*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s134*s14*s234*z14) + (CA*(CA - 2*CF)*s12*s1234*z4)/
    (4*s14*s23*s234*z14) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s14*s23*s234*z14) - (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (2*s124^2*s14*z14) + (CA*(CA - 2*CF)*s1234*s24*z4)/(8*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s123*s14*s23*z14) + 
   (5*CA*(CA - 2*CF)*s1234*s24*z4)/(16*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s12*s124*s14*s23*z14) + 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s34*z14) - 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s34*z14) + 
   (5*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s124*s14*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s134*s23*s34*z14) + 
   (5*CA*(CA - 2*CF)*s12*s1234*s13*z4)/(16*s134*s14*s23*s34*z14) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/(32*s134*s14*s23*s34*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s124*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s124*s234*s34*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s134*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s134*s234*s34*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12^2*s1234*z4)/
    (s124*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s12^2*s1234*z4)/(2*s124*s14*s234*s34*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z4)/
    (s134*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s13*z4)/(2*s134*s14*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s23*s234*s34*z14) + 
   (5*CA*(CA - 2*CF)*s12^2*s1234*z4)/(16*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z4)/(16*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4)/(4*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/(32*s14*s23*s234*s34*z14) + 
   (5*CA*(CA - 2*CF)*s1234*s24*z4)/(16*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s134*s14*s23*s34*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z4)/
    (s124*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s24*z4)/(2*s124*s14*s234*s34*z14) + 
   (5*CA*(CA - 2*CF)*s12*s1234*s24*z4)/(16*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/(16*s14*s23*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z4)/
    (s124*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*s34*z4)/
    (16*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s34*z4)/
    (4*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s12*s124*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s12*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*z4)/(8*s12*s124*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s123*s124*z23) - 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s123*s14*z23) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s123*s14*z23) - (5*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s123*s14*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s124*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s123*s124*s23*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s124*s14*s23*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (8*s134*s14*s23*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s14*s23*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     z4)/(s124*s234*z23) + (CA*(CA - 2*CF)*s1234*z4)/(16*s23*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s23*s234*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s134*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s14*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s124*s14*s23*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s124*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*z4)/
    (16*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s34*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s134*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s123*s134*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s14*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s123*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s123*s23*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12^2*s1234*z4)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12^2*s1234*z4)/
    (2*s123*s134*s23*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13*z4)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z4)/
    (2*s123*s134*s23*s34*z23) - (3*CA*(CA - 2*CF)*s12^2*s1234*z4)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12^2*s1234*z4)/
    (16*s134*s14*s23*s34*z23) - (3*CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*z4)/(16*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s234*s34*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s134*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s134*s234*s34*z23) - (7*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s14*s234*s34*z23) + (3*CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z4)/
    (8*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/
    (32*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s23*s234*s34*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z4)/(s134*s23*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z4)/
    (2*s134*s23*s234*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s24*z4)/
    (16*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/
    (32*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s34*z4)/
    (16*s124*s14*s23*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s34*z4)/(s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s12*s124*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (2*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s123*s14*z14*z23) + (5*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s134*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s134*s14*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (4*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s14*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s14*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s134*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s134*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s134*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s12^2*s1234*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s14*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (2*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (8*s14*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s134*s14*s34*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (9*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s14*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s14*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*s24*z1*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z4)/
    (32*s14*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s12*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s123*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s124*s14*s23*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s12*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s12*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s12*s124*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (4*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s134*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s134*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s134*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s14*s23*s234*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (4*s134*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s134*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (2*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (8*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s14*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s23*s234*s34*z14*z23) - (9*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12^2*s1234*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z4)/
    (32*s14*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (4*s12*s124*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (8*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (4*s124*s14*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (8*s12*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (8*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (8*s12*s124*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2*z4)/
    (8*s123*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2*z4)/
    (8*s124*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (4*s123*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (8*s124*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z4)/
    (8*s12*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/
    (4*s12*s123*s14*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (8*s12*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (4*s12*s124*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (8*s12*s124*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (8*s123*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (4*s124*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/
    (8*s12*s123*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/(8*s12*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z4)/(8*s12*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(8*s12*s123*s14*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(8*s12*s124*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(8*s123*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(8*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2*z4)/(8*s12*s123*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2*z4)/(8*s12*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s124*s14*s23*z14*z23) + 
   (5*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(16*s134*s14*s23*z14*z23) + 
   (5*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s124*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(16*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(16*s134*s23*s34*z14*z23) + 
   (5*CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3*z4)/(16*s134*s14*s23*s34*z14*z23) + 
   (5*CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3*z4)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(16*s14*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(16*s23*s234*s34*z14*z23) + 
   (5*CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3*z4)/(16*s14*s23*s234*s34*z14*z23) + 
   (5*CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3*z4)/(16*s14*s23*s234*s34*z14*z23) + 
   (5*CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3*z4)/(16*s134*s14*s23*s34*z14*z23) + 
   (5*CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3*z4)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(16*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(16*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s124*s14*z34) + (CA*(CA - 2*CF)*s1234*z4)/(16*s134*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s14*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s124*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s124*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*z4)/
    (16*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s134*s14*s23*z34) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s134*s14*s23*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s124*s14*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s124*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*z4)/
    (16*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*z4)/(32*s23*s234*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s14*s23*s234*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s14*s23*s234*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(8*s123*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s124*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s124*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s12*s123*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s134*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s124*s134*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s124*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (4*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z4)/(s124*s134*s14*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z4)/
    (2*s124*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*z4)/
    (4*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z4)/
    (16*s12*s123*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s23*s34*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s23*s34*z34) + (CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (16*s134*s14*s23*s34*z34) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/
    (32*s134*s14*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*z4)/
    (16*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (4*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (4*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/
    (16*s12*s134*s14*s34*z34) - (5*CA*(CA - 2*CF)*s1234*z4)/
    (16*s234*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s14*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s14*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z4)/(8*s12*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z4)/
    (s124*s14*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s23*z4)/(2*s124*s14*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(8*s12*s124*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s12*s124*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(4*s12*s134*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s12*s134*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(16*s124*s14*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s124*s14*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(4*s12*s124*s14*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s12*s124*s14*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(4*s12*s134*s14*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s12*s134*s14*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(8*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s12*s123*s23*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z4)/
    (s124*s14*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s24*z4)/(2*s124*s14*s234*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z4)/(16*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s12*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z4)/(16*s14*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/(32*s14*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z4)/(8*s12*s23*s234*s34*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z1*z4)/(16*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(32*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s12*s123*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z4)/(16*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(32*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(4*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/(16*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z4)/(8*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z4)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s12*s123*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(2*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(32*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z4)/(32*s12*s124*s14*s34*z12*z34) - 
   (7*CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z4)/(32*s12*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z1*z4)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z1*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z4)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/(8*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(16*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(16*s14*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s14*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(16*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z1*z4)/(8*s134*s14*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(16*s12*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s14*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s12*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s134*s14*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/(16*s12*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1*z4)/(8*s14*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/(16*s12*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/(16*s14*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(8*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(32*s123*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z2*z4)/(16*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(4*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z4)/(8*s124*s14*s34*z12*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(16*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z4)/(4*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/(16*s123*s23*s34*z12*z34) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s123*s23*s34*z12*z34) - 
   (5*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(4*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(8*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/(4*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/(32*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(16*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z2*z4)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z2*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z2*z4)/(16*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(32*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s12*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z2*z4)/(8*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/(16*s23*s234*s34*z12*z34) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14^2*z2*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(8*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(4*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s12*s134*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s134*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s134*s23*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s134*s14*s23*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s14*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s124*s34*z14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s12*s134*s34*z14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s124*s14*s34*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(16*s12*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(16*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s14*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s124*s34*z14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(16*s12*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(16*s14*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z4)/(8*s12*s134*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z4)/(4*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(8*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/(8*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(8*s12*s134*s14*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z2*z4)/(8*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(8*s12*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z4)/(4*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(4*s12*s134*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z2*z4)/(4*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(8*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(4*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z4)/(8*s12*s134*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z4)/(8*s12*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z4)/(8*s12*s134*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/(8*s12*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/(8*s12*s134*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/(8*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z2*z4)/(8*s12*s134*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(4*s12*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(8*s12*s134*s34*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(8*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/(8*s12*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/(8*s12*s134*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z2*z4)/(8*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z4)/(8*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(32*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(32*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s14*s23*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s14*s23*s234*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s124*s34*z14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s34*z14*z34) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s124*s14*s34*z14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(16*s134*s14*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s14*s234*s34*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(16*s14*s23*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s14*s23*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s14*s23*s234*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s123*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s123*s23*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(16*s134*s14*s23*s34*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s14*s234*s34*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(16*s14*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(32*s134*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(32*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(4*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(16*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12^2*s1234*z4^2)/(8*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z4^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(8*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(16*s14*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12^2*s1234*z4^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z4^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z4^2)/(8*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z4^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z4^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z4^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z4^2)/(16*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(32*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(32*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(4*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(32*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(32*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z4^2)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(32*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(8*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(32*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(16*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z4^2)/(16*s14*s23*s234*s34*z14*z34)) + 
 k4k3*((CF*(-CA + 2*CF)*s1234)/s123^2 - (3*CF*(-CA + 2*CF)*D*s1234)/
    (4*s123^2) + (CF*(-CA + 2*CF)*D^2*s1234)/(8*s123^2) + 
   (CA*(CA - 2*CF)*D*s1234)/(16*s12*s123) + (CF*(-CA + 2*CF)*s1234)/s124^2 - 
   (3*CF*(-CA + 2*CF)*D*s1234)/(4*s124^2) + (CF*(-CA + 2*CF)*D^2*s1234)/
    (8*s124^2) + (CA*(CA - 2*CF)*D*s1234)/(16*s12*s124) + 
   (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/(s123*s124) - 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/(s123*s124) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234)/(s123*s124) - 
   (CF*(-CA + 2*CF)*s1234*s13)/(s12*s123^2) + (CF*(-CA + 2*CF)*D*s1234*s13)/
    (2*s12*s123^2) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s123*s134) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s123*s134) - (CA*(CA - 2*CF)*s1234)/(4*s123*s14) + 
   (3*CA*(CA - 2*CF)*D*s1234)/(16*s123*s14) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s123*s14) - (CF*(-CA + 2*CF)*s12*s1234)/(s124^2*s14) + 
   (3*CF*(-CA + 2*CF)*D*s12*s1234)/(4*s124^2*s14) - 
   (CF*(-CA + 2*CF)*D^2*s12*s1234)/(8*s124^2*s14) - 
   (3*CA*(CA - 2*CF)*s1234)/(4*s124*s14) + (3*CA*(CA - 2*CF)*D*s1234)/
    (8*s124*s14) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s124*s14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s123*s124*s14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s123*s124*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(2*s123*s124*s14) - (CA*(CA - 2*CF)*s1234*s13)/(8*s12*s123*s14) - 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s123*s14) - 
   (CA*(CA - 2*CF)*s1234)/(2*s134*s14) + (5*CA*(CA - 2*CF)*D*s1234)/
    (16*s134*s14) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s134*s14) - 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s123*s134*s14) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s123*s134*s14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(2*s123*s134*s14) - (26*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234)/(s124*s134*s14) + 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(s124*s134*s14) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s123*s134*s14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13)/(s123*s134*s14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s124*s134*s14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/(s124*s134*s14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s12*s123*s124) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14)/(s12*s123*s124) - 
   (CF*(-CA + 2*CF)*s12*s1234)/(s123^2*s23) + (3*CF*(-CA + 2*CF)*D*s12*s1234)/
    (4*s123^2*s23) - (CF*(-CA + 2*CF)*D^2*s12*s1234)/(8*s123^2*s23) - 
   (3*CA*(CA - 2*CF)*s1234)/(4*s123*s23) + (3*CA*(CA - 2*CF)*D*s1234)/
    (8*s123*s23) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s123*s23) - 
   (CA*(CA - 2*CF)*s1234)/(4*s124*s23) + (3*CA*(CA - 2*CF)*D*s1234)/
    (16*s124*s23) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s124*s23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s123*s124*s23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s123*s124*s23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(2*s123*s124*s23) - (2*CF*(-CA + 2*CF)*s1234*s13)/(s123^2*s23) + 
   (5*CF*(-CA + 2*CF)*D*s1234*s13)/(4*s123^2*s23) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s13)/(8*s123^2*s23) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s124*s23) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s124*s23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s124*s23) - (16*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234)/(s123*s134*s23) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s123*s134*s23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(2*s123*s134*s23) - (CA*(CA - 2*CF)*s12*s1234)/(s123*s14*s23) + 
   (CA*(CA - 2*CF)*D*s12*s1234)/(4*s123*s14*s23) - 
   (CA*(CA - 2*CF)*s12*s1234)/(s124*s14*s23) + (CA*(CA - 2*CF)*D*s12*s1234)/
    (4*s124*s14*s23) - (5*CA*(CA - 2*CF)*s1234*s13)/(8*s123*s14*s23) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s123*s14*s23) - 
   (CA*(CA - 2*CF)*s1234*s13)/(4*s124*s14*s23) + (CA*(CA - 2*CF)*D*s1234*s13)/
    (16*s124*s14*s23) - (3*CA*(CA - 2*CF)*s12*s1234)/(2*s134*s14*s23) + 
   (7*CA*(CA - 2*CF)*D*s12*s1234)/(16*s134*s14*s23) - 
   (CA*(CA - 2*CF)*D^2*s12*s1234)/(32*s134*s14*s23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s12*s123*s124) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23)/(s12*s123*s124) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s12*s124*s134) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23)/
    (s12*s123*s134*s14) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s124*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s124*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/
    (s12*s123*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s12*s123*s234) - (16*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234)/(s124*s14*s234) + (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234)/(s124*s14*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     D^2*s12*s1234)/(2*s124*s14*s234) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s134*s14*s234) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s134*s14*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(2*s134*s14*s234) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s12*s123*s234) - (CA*(CA - 2*CF)*s1234)/(2*s23*s234) + 
   (5*CA*(CA - 2*CF)*D*s1234)/(16*s23*s234) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s23*s234) - (26*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s123*s23*s234) + (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234)/(s123*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s12*s1234)/(s123*s23*s234) - 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s124*s23*s234) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s124*s23*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(2*s124*s23*s234) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s123*s23*s234) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s23*s234) - (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s124*s23*s234) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s124*s23*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s124*s23*s234) - (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234)/(s134*s23*s234) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s134*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(2*s134*s23*s234) - (3*CA*(CA - 2*CF)*s12*s1234)/
    (2*s14*s23*s234) + (7*CA*(CA - 2*CF)*D*s12*s1234)/(16*s14*s23*s234) - 
   (CA*(CA - 2*CF)*D^2*s12*s1234)/(32*s14*s23*s234) - 
   (CF*(-CA + 2*CF)*s1234*s24)/(s12*s124^2) + (CF*(-CA + 2*CF)*D*s1234*s24)/
    (2*s12*s124^2) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/
    (s12*s124*s134) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s12*s124*s134) - (2*CF*(-CA + 2*CF)*s1234*s24)/(s124^2*s14) + 
   (5*CF*(-CA + 2*CF)*D*s1234*s24)/(4*s124^2*s14) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s24)/(8*s124^2*s14) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s124*s14) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s123*s124*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s123*s124*s14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s124*s14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s124*s14) - (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24)/(s123*s134*s14) + (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24)/(s123*s134*s14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s24)/(2*s123*s134*s14) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s124*s134*s14) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s124*s134*s14) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s134*s14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s134*s14) - (CA*(CA - 2*CF)*s1234*s24)/(8*s12*s124*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s124*s23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s123*s124*s23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s123*s124*s23) - (CA*(CA - 2*CF)*s1234*s24)/
    (4*s123*s14*s23) + (CA*(CA - 2*CF)*D*s1234*s24)/(16*s123*s14*s23) - 
   (5*CA*(CA - 2*CF)*s1234*s24)/(8*s124*s14*s23) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s124*s14*s23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s123*s14*s23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s124*s14*s23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s23*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/(s123*s23*s234) - 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s124*s23*s234) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/(s124*s23*s234) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s124*s23*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s124*s23*s234) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24)/
    (s12*s124*s23*s234) + (5*CA*(CA - 2*CF)*s1234)/(4*s123*s34) - 
   (7*CA*(CA - 2*CF)*D*s1234)/(16*s123*s34) + (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s123*s34) + (5*CA*(CA - 2*CF)*s1234)/(4*s124*s34) - 
   (7*CA*(CA - 2*CF)*D*s1234)/(16*s124*s34) + (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s124*s34) + (3*CA*(CA - 2*CF)*s1234*s13)/(8*s12*s123*s34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s123*s34) + 
   (7*CA*(CA - 2*CF)*s1234)/(4*s134*s34) - (5*CA*(CA - 2*CF)*D*s1234)/
    (8*s134*s34) + (CA*(CA - 2*CF)*D^2*s1234)/(16*s134*s34) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s123*s134*s34) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s123*s134*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(2*s123*s134*s34) + (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s123*s134*s34) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s134*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s134*s34) - (CA*(CA - 2*CF)*s1234*s13)/(2*s124*s14*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(4*s124*s14*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s13)/(32*s124*s14*s34) - 
   (CA*(CA - 2*CF)*s1234*s13)/(4*s134*s14*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13)/
    (s124*s134*s14*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13)/(s124*s134*s14*s34) + (3*CA*(CA - 2*CF)*s1234*s14)/
    (4*s12*s123*s34) - (3*CA*(CA - 2*CF)*D*s1234*s14)/(8*s12*s123*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s14)/(32*s12*s123*s34) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s134*s34) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s123*s134*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s123*s134*s34) - (5*CA*(CA - 2*CF)*s1234*s13)/(8*s123*s23*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s123*s23*s34) + 
   (CA*(CA - 2*CF)*s12*s1234)/(4*s134*s23*s34) - (CA*(CA - 2*CF)*D*s12*s1234)/
    (16*s134*s23*s34) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13)/(s123*s134*s23*s34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13)/
    (s123*s134*s23*s34) - (5*CA*(CA - 2*CF)*s12*s1234*s13)/
    (8*s134*s14*s23*s34) + (CA*(CA - 2*CF)*D*s12*s1234*s13)/
    (8*s134*s14*s23*s34) + (CA*(CA - 2*CF)*s1234*s14)/(4*s123*s23*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s14)/(16*s123*s23*s34) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14)/
    (s123*s134*s23*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s14)/(s123*s134*s23*s34) + (3*CA*(CA - 2*CF)*s1234*s23)/
    (4*s12*s124*s34) - (3*CA*(CA - 2*CF)*D*s1234*s23)/(8*s12*s124*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s23)/(32*s12*s124*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s23)/(16*s12*s134*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s124*s134*s34) + 
   (CA*(CA - 2*CF)*s1234*s23)/(4*s124*s14*s34) - (CA*(CA - 2*CF)*D*s1234*s23)/
    (16*s124*s14*s34) - (CA*(CA - 2*CF)*s1234*s13*s23)/(8*s12*s134*s14*s34) + 
   (7*CA*(CA - 2*CF)*s1234)/(4*s234*s34) - (5*CA*(CA - 2*CF)*D*s1234)/
    (8*s234*s34) + (CA*(CA - 2*CF)*D^2*s1234)/(16*s234*s34) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s124*s234*s34) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s124*s234*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(2*s124*s234*s34) + (CA*(CA - 2*CF)*s1234*s13)/(4*s12*s234*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s234*s34) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s234*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s234*s34) + (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234)/(s134*s234*s34) - 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s134*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(s134*s234*s34) + (CA*(CA - 2*CF)*s12*s1234)/(4*s14*s234*s34) - 
   (CA*(CA - 2*CF)*D*s12*s1234)/(16*s14*s234*s34) + 
   (CA*(CA - 2*CF)*s1234*s13)/(2*s14*s234*s34) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (4*s14*s234*s34) + (CA*(CA - 2*CF)*D^2*s1234*s13)/(32*s14*s234*s34) - 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13)/
    (s124*s14*s234*s34) + (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s13)/(s124*s14*s234*s34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s12*s1234*s13)/
    (2*s124*s14*s234*s34) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13)/(s134*s14*s234*s34) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13)/
    (s134*s14*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234*s13)/(2*s134*s14*s234*s34) - (CA*(CA - 2*CF)*D*s1234*s14)/
    (16*s12*s234*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14)/(s123*s234*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s134*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D*s1234*s14)/(s134*s234*s34) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s124*s234*s34) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s124*s234*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(2*s124*s234*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23)/(s134*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D*s1234*s23)/(s134*s234*s34) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23)/
    (s124*s14*s234*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s23)/(s124*s14*s234*s34) + (3*CA*(CA - 2*CF)*s1234*s24)/
    (8*s12*s124*s34) - (3*CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s124*s34) + 
   (CA*(CA - 2*CF)*s1234*s24)/(4*s12*s134*s34) - (CA*(CA - 2*CF)*D*s1234*s24)/
    (16*s12*s134*s34) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24)/(s124*s134*s34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24)/(s124*s134*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s24)/(2*s124*s134*s34) - (5*CA*(CA - 2*CF)*s1234*s24)/
    (8*s124*s14*s34) + (CA*(CA - 2*CF)*D*s1234*s24)/(16*s124*s14*s34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s124*s14*s34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*s24)/(16*s12*s124*s14*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/(32*s12*s124*s14*s34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s134*s14*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24)/(8*s12*s134*s14*s34) + 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s124*s134*s14*s34) - (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24)/(s124*s134*s14*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24)/
    (2*s124*s134*s14*s34) - (CA*(CA - 2*CF)*s1234*s24)/(2*s123*s23*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(4*s123*s23*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(32*s123*s23*s34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s123*s23*s34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*s24)/(16*s12*s123*s23*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/(32*s12*s123*s23*s34) + 
   (CA*(CA - 2*CF)*s1234*s24)/(2*s134*s23*s34) - (CA*(CA - 2*CF)*D*s1234*s24)/
    (4*s134*s23*s34) + (CA*(CA - 2*CF)*D^2*s1234*s24)/(32*s134*s23*s34) - 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24)/
    (s123*s134*s23*s34) + (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24)/(s123*s134*s23*s34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s12*s1234*s24)/
    (2*s123*s134*s23*s34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s123*s134*s23*s34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s123*s134*s23*s34) + (7*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s134*s14*s23*s34) - (5*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s134*s14*s23*s34) + (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s134*s14*s23*s34) + (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s124*s234*s34) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s124*s234*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s124*s234*s34) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s24)/(s124*s14*s234*s34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24)/
    (s124*s14*s234*s34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s124*s14*s234*s34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s124*s14*s234*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s134*s14*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s134*s14*s234*s34) - (CA*(CA - 2*CF)*s1234*s24)/(4*s23*s234*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24)/
    (s123*s23*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24)/(s123*s23*s234*s34) + (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s23*s234*s34) - (CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s12*s23*s234*s34) + (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s123*s23*s234*s34) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s123*s23*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s24)/(2*s123*s23*s234*s34) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24)/
    (s134*s23*s234*s34) + (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24)/(s134*s23*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s12*s1234*s24)/
    (2*s134*s23*s234*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s134*s23*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s134*s23*s234*s34) - (5*CA*(CA - 2*CF)*s12*s1234*s24)/
    (8*s14*s23*s234*s34) + (CA*(CA - 2*CF)*D*s12*s1234*s24)/
    (8*s14*s23*s234*s34) + (7*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s14*s23*s234*s34) - (5*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s14*s23*s234*s34) + (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s14*s23*s234*s34) - (CA*(CA - 2*CF)*s1234*s14*s24)/
    (8*s12*s23*s234*s34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34)/(s123*s124*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s34)/(s123*s124*s14) - 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s134*s14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/(s123*s134*s14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s124*s134*s14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s124*s23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/(s123*s124*s23) - 
   (CA*(CA - 2*CF)*s1234*s34)/(4*s123*s14*s23) - (CA*(CA - 2*CF)*s1234*s34)/
    (4*s124*s14*s23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34)/(s123*s23*s234) - (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34)/(s124*s23*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s34)/(s124*s23*s234) + (CF*(-CA + 2*CF)*s1234*z1)/
    (2*s123^2*z12) - (CF*(-CA + 2*CF)*D*s1234*z1)/(4*s123^2*z12) - 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s12*s124*z12) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s12*s124*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     z1)/(s123*s124*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     z1)/(s123*s124*z12) + (CF*(-CA + 2*CF)*s1234*s13*z1)/
    (2*s12*s123^2*z12) - (CF*(-CA + 2*CF)*D*s1234*s13*z1)/
    (4*s12*s123^2*z12) + (CA*(CA - 2*CF)*s1234*z1)/(16*s123*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s124*s14*z12) + (CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s14*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z1)/
    (s12*s123*s124*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z1)/(s12*s123*s124*z12) + (CF*(-CA + 2*CF)*s1234*s23*z1)/
    (2*s12*s123^2*z12) - (CF*(-CA + 2*CF)*D*s1234*s23*z1)/
    (4*s12*s123^2*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1)/(s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s123*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s124*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*z1)/(s12*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23^2*z1)/
    (s12*s123*s134*s14*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*z1)/(s123*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D*s1234*z1)/(2*s123*s234*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s124*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(2*s124*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s12*s123*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(2*s12*s123*s234*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z1)/
    (s12*s124*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z1)/(2*s12*s124*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s12*s123*s234*z12) + (CF*(-CA + 2*CF)*s1234*s24*z1)/
    (2*s12*s124^2*z12) - (CF*(-CA + 2*CF)*D*s1234*s24*z1)/
    (4*s12*s124^2*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s12*s123*s124*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24*z1)/(s12*s123*s124*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s12*s124*s134*z12) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s14*z12) + (CF*(-CA + 2*CF)*s1234*s24*z1)/
    (2*s124^2*s14*z12) - (CF*(-CA + 2*CF)*D*s1234*s24*z1)/
    (4*s124^2*s14*z12) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s14*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s123*s124*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (s123*s124*s14*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z1)/(s12*s123*s124*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (s12*s123*s124*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s123*s134*s14*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s124*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s124*s134*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s12*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (2*s12*s123*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s23*z12) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s123*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s123*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s124*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s124*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s123*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s123*s14*s23*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z1)/(s12*s123*s124*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z1)/
    (s12*s123*s124*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z1)/(s12*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z1)/
    (2*s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z1)/(s12*s124*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s123*s234*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s12*s124*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24*z1)/(2*s12*s124*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s123*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s12*s123*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z1)/(s12*s124*s23*s234*z12) + 
   (CF*(-CA + 2*CF)*s1234*s24^2*z1)/(2*s12*s124^2*s14*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s24^2*z1)/(4*s12*s124^2*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z1)/
    (s12*s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2*z1)/(2*s12*s124*s134*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s12*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s12*s124*s14*s23*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z1)/
    (s12*s124*s23*s234*z12) - (3*CA*(CA - 2*CF)*s1234*z1)/(16*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1)/(16*s12*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(16*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z1)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s234*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z1)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1)/(16*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s124*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s134*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(8*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s134*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(32*s12*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z1)/(16*s12*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(32*s12*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z1)/(16*s12*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(32*s12*s134*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(32*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1)/(16*s12*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s12*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(8*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s12*s23*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s123*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s123*z14) - 
   (CF*(-CA + 2*CF)*s1234*z1)/(s124^2*z14) + (CF*(-CA + 2*CF)*D*s1234*z1)/
    (4*s124^2*z14) + (CA*(CA - 2*CF)*s1234*z1)/(16*s12*s124*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s124*z14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s124*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(s123*s124*z14) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s134*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(s123*s134*z14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s124*s134*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(s124*s134*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s14*z14) - 
   (CF*(-CA + 2*CF)*s12*s1234*z1)/(s124^2*s14*z14) + 
   (CF*(-CA + 2*CF)*D*s12*s1234*z1)/(4*s124^2*s14*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z1)/(16*s124*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s124*s14*z14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z1)/
    (s123*s124*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z1)/(s123*s124*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s123*s14*z14) - (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s14*z14) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s134*s14*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(s123*s134*s14*z14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s124*s134*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(s124*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*z1)/
    (2*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*z1)/(8*s123*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*z1)/(2*s124*s23*z14) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (8*s124*s23*z14) + (CA*(CA - 2*CF)*s12*s1234*z1)/(2*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1)/(8*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(2*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1)/(8*s124*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(8*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s124*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z1)/(8*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1)/(16*s134*s14*s23*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s124*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1)/(s12*s123*s134*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s123*s124*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*z1)/(s12*s123*s134*s14*z14) - (3*CA*(CA - 2*CF)*s1234*z1)/
    (8*s14*s234*z14) + (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s14*s234*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(4*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z1)/(16*s14*s23*s234*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s134*s14*s234*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s134*s14*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s14*z14) - (CF*(-CA + 2*CF)*s1234*s24*z1)/(s124^2*s14*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s24*z1)/(4*s124^2*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s124*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s124*s14*z14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s123*s124*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s134*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s23*z14) + (5*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s123*s14*s23*z14) - (5*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s123*s14*s23*z14) + (9*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s124*s14*s23*z14) - (5*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s124*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (16*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (4*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (16*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s134*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s14*s23*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*s24*z1)/(s12*s123*s124*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s134*s14*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s134*s14*s234*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s23*s234*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z1)/(8*s134*s14*s23*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s124*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s124*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s134*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s124*s14*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z1)/(16*s12*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/(32*s12*s134*s14*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z1)/(16*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s234*s34*z14) - 
   (5*CA*(CA - 2*CF)*s12*s1234*z1)/(16*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z1)/(16*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s14*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s124*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s124*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s134*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s134*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z1)/
    (s124*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s23*z1)/(2*s124*s14*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z1)/
    (s134*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s23*z1)/(2*s134*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s12*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(32*s12*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s134*s23*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s134*s14*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(32*s134*s14*s23*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z1)/(16*s12*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(32*s12*s124*s14*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s124*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s124*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s134*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s134*s234*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z1)/(s124*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z1)/
    (2*s124*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s134*s14*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (2*s134*s14*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s12*s1234*s24*z1)/
    (16*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z1)/
    (16*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s14*s23*s234*s34*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z1)/(s124*s14*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z1)/
    (2*s124*s14*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s124*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s124*s14*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s124*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z1)/
    (2*s124*s14*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (16*s14*s23*s234*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s123*s14*z14) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s123*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (s123*s134*s14*z14) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s124*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (s124*s134*s14*z14) + (5*CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (8*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (2*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (8*s124*s14*s23*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*s34*z1)/(s12*s123*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s12*s124*z12*z14) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s12*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s12*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s23*z1^2)/
    (16*s12*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/
    (16*s12*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s12*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s123*z12) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s123*z12) + 
   (CF*(-CA + 2*CF)*s1234*z2)/(2*s124^2*z12) - (CF*(-CA + 2*CF)*D*s1234*z2)/
    (4*s124^2*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/
    (s123*s124*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/
    (s123*s124*z12) + (CF*(-CA + 2*CF)*s1234*s13*z2)/(2*s12*s123^2*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z2)/(4*s12*s123^2*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s124*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s12*s123*s124*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s134*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(2*s123*s134*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s124*s134*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/
    (2*s124*s134*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s12*s123*s134*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z2)/(2*s12*s123*s134*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s123*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s124*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13^2*z2)/(s12*s123*s134*s14*z12) + (CF*(-CA + 2*CF)*s1234*s14*z2)/
    (2*s12*s124^2*z12) - (CF*(-CA + 2*CF)*D*s1234*s14*z2)/
    (4*s12*s124^2*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s12*s124*s134*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (2*s12*s124*s134*z12) - (CA*(CA - 2*CF)*s1234*z2)/(16*s123*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s123*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s124*s23*z12) + (CF*(-CA + 2*CF)*s1234*s13*z2)/(2*s123^2*s23*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z2)/(4*s123^2*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s23*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s124*s23*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s123*s124*s23*z12) + (CF*(-CA + 2*CF)*s1234*s13^2*z2)/
    (2*s12*s123^2*s23*z12) - (CF*(-CA + 2*CF)*D*s1234*s13^2*z2)/
    (4*s12*s123^2*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s123*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s124*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s123*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s124*s23*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2)/(s12*s123*s124*s23*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z2)/
    (s12*s123*s124*s23*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z2)/(s12*s123*s124*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*z2)/
    (s12*s123*s124*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z2)/(s12*s123*s134*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s23*z2)/(2*s12*s123*s134*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z2)/
    (s12*s123*s134*s14*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s12*s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (2*s12*s123*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s12*s123*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s124*s23*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z2)/
    (s12*s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2*z2)/(2*s12*s123*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s123*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2)/
    (s12*s123*s23*s234*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2)/(s12*s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z2)/
    (2*s12*s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14^2*z2)/(s12*s124*s23*s234*z12) + (CF*(-CA + 2*CF)*s1234*s24*z2)/
    (2*s12*s124^2*z12) - (CF*(-CA + 2*CF)*D*s1234*s24*z2)/
    (4*s12*s124^2*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z2)/(s12*s124*s134*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z2)/
    (2*s12*s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z2)/(s12*s124*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s124*s23*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s12*s123*s124*s23*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (s12*s123*s124*s23*z12) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s124*s14*s23*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s12*s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (2*s12*s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z2)/(s12*s124*s23*s234*z12) - (3*CA*(CA - 2*CF)*s1234*z2)/
    (16*s124*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s124*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s134*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s134*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s134*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s134*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s124*s14*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s124*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s14*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s14*s34*z12) + (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s134*s14*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s123*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s123*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s124*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s124*s34*z12) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (8*s12*s134*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s134*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s123*s23*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s123*s23*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s123*s23*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s123*s23*s34*z12) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s123*s23*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s123*s23*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (16*s12*s123*s23*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/
    (32*s12*s123*s23*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s23*z2)/
    (16*s12*s124*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s23*z2)/
    (16*s12*s134*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s23*z2)/
    (16*s12*s134*s34*z12) + (CA*(CA - 2*CF)*s1234*s13*s23*z2)/
    (16*s12*s134*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s234*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s23*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s23*s234*s34*z12) - (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (8*s12*s23*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s23*s234*s34*z12) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s23*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s23*s234*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (16*s12*s23*s234*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/
    (32*s12*s23*s234*s34*z12) + (CA*(CA - 2*CF)*s1234*s14^2*z2)/
    (16*s12*s23*s234*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s124*s34*z12) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s12*s134*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s134*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s124*s14*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s134*s14*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s123*s23*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (8*s12*s123*s23*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s23*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s23*s234*s34*z12) + (CA*(CA - 2*CF)*s1234*s14*s24*z2)/
    (16*s12*s23*s234*s34*z12) + (CA*(CA - 2*CF)*s1234*z2)/(4*s12*s123*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s123*z14) + 
   (CF*(-CA + 2*CF)*s1234*z2)/(2*s124^2*z14) + (CA*(CA - 2*CF)*s1234*z2)/
    (4*s12*s124*z14) - (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s124*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s124*z14) + (5*CA*(CA - 2*CF)*s1234*z2)/(16*s12*s134*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s134*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s134*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s12*s124*s134*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13^2*z2)/(s12*s123*s134*s14*z14) + (CF*(-CA + 2*CF)*s1234*s14*z2)/
    (2*s12*s124^2*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s12*s124*s134*z14) - (CA*(CA - 2*CF)*s1234*z2)/
    (8*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s123*s23*z14) - 
   (5*CA*(CA - 2*CF)*s1234*z2)/(16*s124*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s23*z14) - 
   (7*CA*(CA - 2*CF)*s1234*z2)/(16*s134*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s123*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s12*s123*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s134*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s134*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s123*s23*z14) - 
   (5*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s124*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s124*s23*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s134*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/
    (2*s134*s234*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s134*s14*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z2)/(2*s134*s14*s234*z14) - (CA*(CA - 2*CF)*s1234*z2)/
    (4*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s23*s234*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s14*s23*s234*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s14*s23*s234*z14) + 
   (CF*(-CA + 2*CF)*s1234*s24*z2)/(2*s12*s124^2*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2)/
    (s12*s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s12*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s123*s23*z14) - (5*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s124*s14*s23*z14) - (5*CA*(CA - 2*CF)*s1234*z2)/
    (16*s124*s34*z14) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s12*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(32*s12*s134*s14*s34*z14) - 
   (5*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s124*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s124*s34*z14) + 
   (5*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s134*s23*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s134*s14*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(32*s134*s14*s23*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s134*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s134*s23*s34*z14) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z2)/
    (s124*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z2)/(2*s124*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s124*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s124*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s134*s234*s34*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z2)/(s124*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z2)/
    (2*s124*s14*s234*s34*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z2)/(s134*s14*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z2)/
    (2*s134*s14*s234*s34*z14) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2)/(s124*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (2*s124*s234*s34*z14) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2)/(s134*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (2*s134*s234*s34*z14) - (5*CA*(CA - 2*CF)*s12*s1234*z2)/
    (16*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s12*s1234*z2)/
    (16*s23*s234*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s23*s234*s34*z14) + (3*CA*(CA - 2*CF)*s12*s1234*s13*z2)/
    (16*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z2)/
    (16*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (8*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s14*s23*s234*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s23*s234*s34*z14) - (5*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s124*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s124*s14*s34*z14) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s124*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z2)/
    (2*s124*s234*s34*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s124*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (2*s124*s14*s234*s34*z14) - (5*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s23*s234*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s14*s23*s234*s34*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s12*s124*s134*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s12*s123*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s123*s23*z14) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (4*s12*s124*s23*z14) + (CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (16*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s123*z12*z14) - (CF*(-CA + 2*CF)*s1234*z1*z2)/(s124^2*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1*z2)/
    (s123*s124*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z1*z2)/(s12*s123*s124*z12*z14) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s134*z12*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*z1*z2)/(s123*s134*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1*z2)/
    (s124*s134*z12*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z1*z2)/(s12*s123*s134*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1*z2)/
    (s12*s124*s134*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s123*s14*z12*z14) - (CF*(-CA + 2*CF)*s12*s1234*z1*z2)/
    (2*s124^2*s14*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z1*z2)/(s123*s124*s14*z12*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s123*s14*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1*z2)/
    (s123*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s134*s14*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s134*s14*z12*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z1*z2)/(s123*s134*s14*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1*z2)/
    (s124*s134*s14*z12*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z1*z2)/(s12*s123*s134*s14*z12*z14) - 
   (CF*(-CA + 2*CF)*s1234*s14*z1*z2)/(2*s12*s124^2*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z1*z2)/
    (s12*s124*s134*z12*z14) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s123*s23*z12*z14) + (7*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s23*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s23*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (4*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (4*s124*s14*s23*z12*z14) - (7*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s123*s14*s23*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s124*s14*s23*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (16*s12*s123*s14*s23*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s124*s23*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1*z2)/(s12*s123*s124*z12*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1*z2)/
    (s12*s123*s134*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1*z2)/(s123*s124*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(8*s12*s134*s14*z12*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z1*z2)/
    (s12*s123*s134*s14*z12*z14) - (CF*(-CA + 2*CF)*s1234*s24*z1*z2)/
    (s12*s124^2*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1*z2)/(s12*s124*s134*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (4*s12*s123*s14*z12*z14) - (CF*(-CA + 2*CF)*s1234*s24*z1*z2)/
    (s124^2*s14*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1*z2)/(s123*s124*s14*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1*z2)/
    (s12*s123*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (4*s12*s134*s14*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1*z2)/(s12*s124*s134*s14*z12*z14) + 
   (7*CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s124*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(4*s123*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(2*s124*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(4*s12*s123*s14*s23*z12*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s12*s124*s14*s23*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1*z2)/
    (s12*s123*s124*s14*z12*z14) - (CF*(-CA + 2*CF)*s1234*s24^2*z1*z2)/
    (2*s12*s124^2*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (4*s12*s124*s14*s23*z12*z14) + (7*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s34*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s134*s34*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (4*s124*s14*s34*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (4*s134*s14*s34*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (16*s12*s134*s14*s34*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s124*s34*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s23*z1*z2)/
    (8*s12*s134*s14*s34*z12*z14) + (7*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (4*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (2*s124*s14*s34*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (4*s12*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*s24*z1*z2)/
    (8*s12*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (4*s12*s124*s14*s34*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1*z2)/
    (s12*s124*s134*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s12*s123*s14*z12*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1*z2)/(s123*s134*s14*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1*z2)/
    (s124*s134*s14*z12*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z1*z2)/(s12*s123*s134*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(4*s12*s124*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(4*s123*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(4*s124*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(4*s12*s123*s14*s23*z12*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z1*z2)/
    (s12*s123*s134*s14*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1*z2)/
    (s12*s124*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (4*s12*s124*s14*s23*z12*z14) + (CF*(-CA + 2*CF)*s1234*z1)/
    (2*s123^2*z23) + (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s123*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s12*s123*z23) + 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s124*z23) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s12*s124*z23) + (CF*(-CA + 2*CF)*s1234*s13*z1)/(2*s12*s123^2*z23) - 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s124*s14*z23) - (5*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s123*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s12*s123*s14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1)/
    (8*s12*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s12*s124*s14*z23) - (CA*(CA - 2*CF)*s1234*z1)/(4*s134*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s14*z23) + 
   (CF*(-CA + 2*CF)*s1234*s23*z1)/(2*s12*s123^2*z23) - 
   (5*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s123*s14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s124*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s124*s14*z23) + 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s234*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s134*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z1)/
    (2*s134*s234*z23) - (7*CA*(CA - 2*CF)*s1234*z1)/(16*s14*s234*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s14*s234*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s14*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s12*s123*s124*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s134*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s14*s23*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s12*s123*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s23*s234*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s134*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s134*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s124*s14*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s12*s124*s23*s234*z23) - (5*CA*(CA - 2*CF)*s1234*z1)/
    (16*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s34*z23) - 
   (5*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s34*z23) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z1)/
    (s123*s134*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z1)/(2*s123*s134*s34*z23) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s134*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(2*s123*s134*s34*z23) - (5*CA*(CA - 2*CF)*s12*s1234*z1)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1)/
    (16*s134*s14*s34*z23) - (5*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (16*s134*s14*s34*z23) - (5*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s123*s34*z23) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1)/(s123*s134*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (2*s123*s134*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s134*s14*s34*z23) + (5*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s234*s34*z23) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1)/(s134*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (2*s134*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s34*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s123*s134*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s123*s134*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s123*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s123*s23*s34*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s24*z1)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z1)/
    (2*s123*s134*s23*s34*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (2*s123*s134*s23*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s24*z1)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z1)/
    (16*s134*s14*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s12*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s134*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s23*s234*s34*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s134*s23*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z1)/
    (2*s134*s23*s234*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (4*s12*s123*s14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s124*s14*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s12*s123*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (16*s12*s124*s14*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1)/(s12*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s12*s123*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (16*s12*s123*z14*z23) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (4*s12*s124*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (16*s12*s124*z14*z23) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (32*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (32*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (32*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (32*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s134*s14*z14*z23) - (5*CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s124*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s134*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s134*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1^2)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s134*s14*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z1^2)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (32*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (32*s12*s124*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) - (CF*(-CA + 2*CF)*s1234*z2)/(s123^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*z2)/(4*s123^2*z23) + (CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s123*z23) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s123*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z2)/(16*s12*s124*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s124*z23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s124*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(s123*s124*z23) + 
   (CA*(CA - 2*CF)*s1234*z2)/(2*s123*s14*z23) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (8*s123*s14*z23) + (CA*(CA - 2*CF)*s1234*z2)/(2*s124*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(8*s124*s14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s124*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s14*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s12*s123*s124*z23) - (CF*(-CA + 2*CF)*s12*s1234*z2)/(s123^2*s23*z23) + 
   (CF*(-CA + 2*CF)*D*s12*s1234*z2)/(4*s123^2*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z2)/(16*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s23*z23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z2)/
    (s123*s124*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z2)/(s123*s124*s23*z23) - (CF*(-CA + 2*CF)*s1234*s13*z2)/
    (s123^2*s23*z23) + (CF*(-CA + 2*CF)*D*s1234*s13*z2)/(4*s123^2*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s23*z23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s124*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s123*s124*s23*z23) - (3*CA*(CA - 2*CF)*s1234*z2)/
    (8*s134*s23*z23) + (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s23*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z2)/(2*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z2)/(8*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z2)/(2*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z2)/(8*s124*s14*s23*z23) + 
   (9*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s123*s14*s23*z23) - 
   (5*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s123*s14*s23*z23) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s124*s14*s23*z23) - 
   (5*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s12*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(32*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(8*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(32*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z2)/(4*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z2)/(16*s134*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s134*s14*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s123*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*z2)/(s12*s123*s124*s23*z23) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(s123*s234*z23) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s124*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(s124*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s12*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*z2)/(16*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s134*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z2)/
    (8*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2)/
    (16*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s14*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s23*s234*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2)/(s134*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (2*s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s23*z23) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s123*s14*s23*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (4*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s123*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s23*z23) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s123*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z2)/
    (s123*s23*s234*z23) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z2)/(s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z2)/
    (s124*s23*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*s24*z2)/(s12*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s123*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s123*s34*z23) - (3*CA*(CA - 2*CF)*s1234*z2)/(16*s134*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s134*s34*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s134*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s14*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s123*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2)/(s123*s134*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (2*s123*s134*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s123*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s123*s23*s34*z23) - (5*CA*(CA - 2*CF)*s12*s1234*z2)/
    (16*s134*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2)/
    (16*s134*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s134*s23*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z2)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z2)/
    (2*s123*s134*s23*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z2)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z2)/
    (2*s123*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z2)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z2)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (16*s134*s14*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s123*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (16*s12*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/
    (32*s12*s123*s23*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s14*z2)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s14*z2)/
    (2*s123*s134*s23*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z2)/
    (2*s123*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*z2)/(16*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s134*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s134*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s14*s234*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s234*s34*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2)/(s134*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (2*s134*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s134*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s134*s14*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s23*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s134*s23*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (2*s134*s23*s234*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z2)/
    (8*s14*s23*s234*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s14*s23*s234*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s14*s24*z2)/
    (16*s12*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/
    (32*s12*s23*s234*s34*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z2)/(s134*s23*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z2)/
    (2*s134*s23*s234*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s124*s23*z23) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (2*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (8*s123*s14*s23*z23) + (5*CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (8*s124*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (16*s12*s124*s14*s23*z23) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s123*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (s123*s23*s234*z23) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z2)/(s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (s124*s23*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*s34*z2)/(s12*s124*s23*s234*z23) - (CF*(-CA + 2*CF)*s1234*z1*z2)/
    (s123^2*z12*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/(16*s12*s124*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1*z2)/
    (s123*s124*z12*z23) - (CF*(-CA + 2*CF)*s1234*s13*z1*z2)/
    (s12*s123^2*z12*z23) + (7*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s123*s14*z12*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s14*z12*z23) + (7*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s14*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z1*z2)/(s12*s123*s124*z12*z23) - 
   (CF*(-CA + 2*CF)*s12*s1234*z1*z2)/(2*s123^2*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(4*s124*s23*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z1*z2)/
    (s123*s124*s23*z12*z23) - (CF*(-CA + 2*CF)*s1234*s13*z1*z2)/
    (s123^2*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (4*s12*s124*s23*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z1*z2)/(s123*s124*s23*z12*z23) - 
   (CF*(-CA + 2*CF)*s1234*s13^2*z1*z2)/(2*s12*s123^2*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z2)/(4*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z2)/(4*s124*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(2*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(4*s124*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/(4*s12*s123*s14*s23*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z1*z2)/
    (s123*s124*s23*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z1*z2)/(s12*s123*s124*s23*z12*z23) - 
   (CF*(-CA + 2*CF)*s1234*s23*z1*z2)/(2*s12*s123^2*z12*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/(16*s12*s123*s14*z12*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z2)/(16*s12*s234*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1*z2)/
    (s123*s234*z12*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     z1*z2)/(s124*s234*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1*z2)/
    (s12*s123*s234*z12*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z1*z2)/(s12*s124*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (4*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s12*s23*s234*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1*z2)/(s12*s123*s234*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1*z2)/
    (s12*s123*s124*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s123*s14*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s14*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s23*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1*z2)/(s123*s124*s23*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1*z2)/
    (s12*s123*s124*s23*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s123*s14*s23*z12*z23) - (7*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s124*s14*s23*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (4*s12*s124*s14*s23*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1*z2)/
    (s12*s123*s234*z12*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1*z2)/(s12*s124*s234*z12*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s23*s234*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1*z2)/
    (s123*s23*s234*z12*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1*z2)/(s124*s23*s234*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1*z2)/
    (s12*s123*s23*s234*z12*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z1*z2)/
    (s12*s124*s23*s234*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (16*s12*s124*s14*s23*z12*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z1*z2)/
    (s12*s124*s23*s234*z12*z23) + (7*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s123*s34*z12*z23) + (7*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (4*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (2*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (4*s12*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s14*z1*z2)/
    (8*s12*s123*s23*s34*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (4*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s12*s234*s34*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s234*s34*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s123*s34*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s123*s23*s34*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s123*s23*s34*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (4*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (4*s12*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*s24*z1*z2)/
    (8*s12*s23*s234*s34*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (16*s12*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s12*s123*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s12*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (4*s12*s123*s14*s23*z12*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1*z2)/
    (s12*s123*s234*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1*z2)/(s123*s23*s234*z12*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1*z2)/
    (s124*s23*s234*z12*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z1*z2)/(s12*s123*s23*s234*z12*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z1*z2)/
    (s12*s124*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (4*s12*s124*s14*s23*z12*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1*z2)/
    (s12*s124*s23*s234*z12*z23) + (5*CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s123*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (8*s12*s123*z14*z23) + (5*CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s124*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (8*s12*s124*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s134*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s134*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (8*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s14*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s134*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (16*s134*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z1*z2)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s134*s14*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z1*z2)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (32*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (32*s12*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (32*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z2)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z2)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s12*s123*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s123*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s123*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (16*s12*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (16*s12*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (16*s12*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/
    (16*s12*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (16*s12*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*s24*z2^2)/
    (16*s12*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (4*s12*s123*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (16*s12*s123*z14*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s12*s124*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (16*s12*s124*z14*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (32*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (32*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s12*s123*s23*z14*z23) - (5*CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/
    (32*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (8*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/
    (32*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/
    (32*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2^2)/
    (16*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z2^2)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (8*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (32*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z2^2)/
    (32*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z2^2)/
    (32*s12*s124*s14*s23*z14*z23) - (CF*(-CA + 2*CF)*s1234*z3)/
    (2*s123^2*z12) + (CF*(-CA + 2*CF)*D*s1234*z3)/(4*s123^2*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s124*s134*z12) - 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s123*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*
     z3)/(s123*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s124*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s123*s134*s14*z12) - (CF*(-CA + 2*CF)*s12*s1234*z3)/(2*s123^2*s23*z12) + 
   (CF*(-CA + 2*CF)*D*s12*s1234*z3)/(4*s123^2*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s124*s23*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s123*s124*s23*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (s123*s124*s23*z12) - (CF*(-CA + 2*CF)*s1234*s13*z3)/(2*s123^2*s23*z12) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*z3)/(4*s123^2*s23*z12) - 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(16*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s123*s14*s23*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s124*s23*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(s123*s124*s23*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s23*z3)/
    (s123*s134*s14*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     z3)/(s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     z3)/(2*s123*s234*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s123*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (2*s123*s23*s234*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (2*s124*s23*s234*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3)/(s123*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z3)/
    (2*s123*s23*s234*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (2*s124*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s124*s134*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s124*s23*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(s123*s124*s23*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s124*s14*s23*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s124*s23*s234*z12) + (3*CA*(CA - 2*CF)*s1234*z3)/(16*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(16*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s123*s23*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z3)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*z3)/(8*s234*s34*z12) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s234*s34*z12) + (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(8*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s23*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s23*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(8*s123*s23*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z3)/(8*s12*s123*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s124*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s134*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*z3)/(16*s134*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s123*s134*s14*z14) - (5*CA*(CA - 2*CF)*s1234*z3)/(16*s123*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s124*s23*z14) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s14*s23*z14) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s134*s14*s23*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s134*s14*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (2*s134*s14*s234*z14) - (CA*(CA - 2*CF)*s12*s1234*z3)/
    (8*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s23*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s124*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*z3)/(16*s124*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s134*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(16*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s134*s14*s34*z14) - 
   (7*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s134*s23*s34*z14) + 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s134*s23*s34*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z3)/(16*s134*s14*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/(32*s134*s14*s23*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s124*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s124*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s134*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s134*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12^2*s1234*z3)/
    (s124*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12^2*s1234*z3)/(2*s124*s14*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z3)/
    (s134*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s13*z3)/(2*s134*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s23*s234*s34*z14) - 
   (3*CA*(CA - 2*CF)*s12^2*s1234*z3)/(16*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3)/(16*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3)/(8*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/(32*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s134*s23*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3)/
    (s124*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s24*z3)/(2*s124*s14*s234*s34*z14) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z3)/(16*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/(16*s14*s23*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s34*z3)/
    (s123*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s34*z3)/
    (16*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s123*s14*s23*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s124*s14*s34*z12*z14) - (CF*(-CA + 2*CF)*s1234*z3)/(2*s123^2*z23) + 
   (5*CA*(CA - 2*CF)*s1234*z3)/(16*s123*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s124*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s14*z23) - 
   (CF*(-CA + 2*CF)*s12*s1234*z3)/(2*s123^2*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s123*s23*z23) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s123*s23*z23) - (CA*(CA - 2*CF)*s1234*z3)/(4*s124*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s124*s23*z23) - 
   (CF*(-CA + 2*CF)*s1234*s13*z3)/(2*s123^2*s23*z23) + 
   (5*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(8*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s124*s14*s23*z23) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(8*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(4*s134*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s134*s14*s23*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s234*z23) - 
   (5*CA*(CA - 2*CF)*s1234*z3)/(16*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s23*s234*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s134*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s134*s23*s234*z23) + (7*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s14*s23*s234*z23) - (3*CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s124*s23*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s123*s14*s23*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s23*s234*z23) + (5*CA*(CA - 2*CF)*s1234*z3)/
    (16*s123*s34*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s34*z23) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s134*s34*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s123*s134*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s134*s14*s34*z23) + (5*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s123*s23*s34*z23) + (5*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s123*s23*s34*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12^2*s1234*z3)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12^2*s1234*z3)/
    (2*s123*s134*s23*s34*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13*z3)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z3)/
    (2*s123*s134*s23*s34*z23) + (5*CA*(CA - 2*CF)*s12^2*s1234*z3)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12^2*s1234*z3)/
    (16*s134*s14*s23*s34*z23) + (5*CA*(CA - 2*CF)*s12*s1234*s13*z3)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/
    (16*s134*s14*s23*s34*z23) - (5*CA*(CA - 2*CF)*s1234*z3)/
    (16*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*z3)/(32*s234*s34*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s134*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s134*s234*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (4*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/
    (32*s134*s14*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s23*s234*s34*z23) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3)/(s134*s23*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z3)/
    (2*s134*s23*s234*s34*z23) + (5*CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (16*s14*s23*s234*s34*z23) - (3*CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/
    (32*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s34*z3)/
    (4*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s34*z3)/
    (16*s124*s14*s23*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z3)/(s123*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s12*s123*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s134*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (4*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s14*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s14*s234*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s134*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s134*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s134*s14*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12^2*s1234*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (4*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s14*s234*s34*z14*z23) - (9*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s14*s34*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z3)/
    (32*s134*s14*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (2*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (8*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z3)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s14*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s12*s123*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s123*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s12*s123*s23*z12*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s12*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s12*s123*z14*z23) + (5*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (2*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s12*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s134*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s134*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s134*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s134*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s134*s23*s34*z14*z23) - (9*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s134*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s134*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*s13*z2*z3)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z3)/
    (32*s134*s14*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (2*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12^2*s1234*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z3)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/
    (32*s14*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s134*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (4*s12*s123*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (8*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (8*s12*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (4*s123*s23*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (8*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (4*s12*s123*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (8*s12*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2*z3)/
    (8*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2*z3)/
    (8*s124*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (4*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (8*s124*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z3)/
    (8*s12*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/
    (4*s12*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (8*s12*s123*s14*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (8*s12*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (8*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (4*s124*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/
    (8*s12*s123*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/(8*s12*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z3)/(8*s12*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(8*s12*s123*s14*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(8*s12*s124*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(8*s123*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(8*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2*z3)/(8*s12*s123*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2*z3)/(8*s12*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(32*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(8*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(32*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3^2)/(8*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(16*s134*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12^2*s1234*z3^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z3^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(4*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(16*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12^2*s1234*z3^2)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3^2)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3^2)/(16*s123*s14*s23*z14*z23) - 
   (9*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s123*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s123*z34) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s134*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(2*s123*s134*z34) + 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s14*z34) - 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s123*s23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s124*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s124*s14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s134*s14*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s234*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s234*z34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z1)/
    (2*s123*s234*z34) + (3*CA*(CA - 2*CF)*s1234*z1)/(16*s14*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s14*s234*z34) + 
   (9*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s124*s14*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s124*s14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s134*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s134*s14*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s124*s134*s14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s124*s134*s14*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s23*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s14*s23*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s124*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s23*s234*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s23*s234*z34) - (5*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (16*s12*s123*s34*z34) - (3*CA*(CA - 2*CF)*s1234*z1)/(16*s134*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s34*z34) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s134*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(2*s123*s134*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s134*s14*s34*z34) - (5*CA*(CA - 2*CF)*s1234*s14*z1)/
    (16*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1)/
    (16*s12*s123*s34*z34) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z1)/(s123*s134*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z1)/
    (2*s123*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s23*z1)/
    (4*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s123*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (8*s12*s124*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z1)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/
    (32*s12*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s23*z1)/
    (16*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/
    (32*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s23^2*z1)/
    (16*s12*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s234*s34*z34) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1)/(s123*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (2*s123*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s14*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s123*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s12*s124*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s134*s34*z34) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s124*s134*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s124*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (4*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s134*s14*s34*z34) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s124*s134*s14*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (2*s124*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s123*s23*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s23*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s134*s14*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z1)/
    (16*s12*s123*s23*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*s24*z1)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/
    (16*s12*s124*s14*s34*z34) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s123*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s123*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s14*s234*s34*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z1)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z1)/
    (2*s124*s14*s234*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s123*s23*s34*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z1)/
    (2*s124*s14*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s23*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s14*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s14*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1^2)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (32*s12*s124*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (4*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (16*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (8*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (16*s134*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s23*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23^2*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23^2*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23^2*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23^2*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (4*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (16*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (16*s134*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z1^2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s12*s123*s23*s34*z12*z34) - (9*CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s124*z34) + (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s124*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z2)/(16*s12*s134*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s134*z34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s124*s134*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/
    (2*s124*s134*z34) - (CA*(CA - 2*CF)*s1234*z2)/(8*s124*s14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s124*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s134*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s123*s23*z34) + (9*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s123*s23*z34) - (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s123*s23*z34) + (3*CA*(CA - 2*CF)*s1234*z2)/(16*s134*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s23*z34) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s134*s23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s134*s23*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s14*s23*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s123*s23*z34) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*z2)/(s124*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*z2)/(2*s124*s234*z34) - (CA*(CA - 2*CF)*s1234*z2)/
    (16*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s23*s234*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s23*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s23*s234*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s23*s234*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s14*s23*s234*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (4*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s123*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s12*s124*s34*z34) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s124*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (2*s124*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (8*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z2)/
    (8*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s123*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (4*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s134*s34*z34) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2)/(s124*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (2*s124*s134*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (16*s12*s123*s23*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s134*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s134*s23*s34*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z2)/(s123*s134*s23*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z2)/
    (2*s123*s134*s23*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s134*s14*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s134*s14*s23*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (8*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/
    (16*s12*s123*s23*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s134*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s134*s23*s34*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2)/(s123*s134*s23*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z2)/
    (2*s123*s134*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s14^2*z2)/
    (16*s12*s123*s23*s34*z34) - (5*CA*(CA - 2*CF)*s1234*s23*z2)/
    (16*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z2)/
    (16*s12*s124*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z2)/
    (16*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*z2)/
    (16*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s234*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s234*s34*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s14*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s234*s34*z34) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z2)/(s124*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*z2)/
    (2*s124*s234*s34*z34) - (5*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s12*s124*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (4*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z2)/
    (8*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/
    (32*s12*s123*s23*s34*z34) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s124*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z2)/
    (2*s124*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s23*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s23*s234*s34*z34) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s123*s23*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (2*s123*s23*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s14*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s14*s23*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*s24*z2)/
    (16*s12*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/
    (32*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s134*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s12*s134*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (8*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s12*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (8*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s123*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (4*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (16*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (16*s134*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/
    (32*s12*s134*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s124*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14^2*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s123*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s124*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z2)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s23*z1*z2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z2)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23^2*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s124*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (4*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (16*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z2)/
    (32*s12*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (16*s23*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (32*s12*s23*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*s24*z1*z2)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z2)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (8*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/
    (32*s12*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (4*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (16*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (4*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (16*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14^2*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14^2*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2^2)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z2^2)/
    (16*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s12*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (32*s12*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (16*s23*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13^2*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (8*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (16*s23*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14^2*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14^2*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*s24*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*z3)/
    (16*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*z3)/(16*s123*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s134*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s123*s134*s23*z34) - (CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s134*s14*s23*z34) + (CA*(CA - 2*CF)*s1234*z3)/(16*s23*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s23*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s123*s23*s234*z34) + (CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*z3)/(4*s123*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(8*s124*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(8*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s12*s123*s34*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z3)/(16*s134*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(8*s124*s14*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s124*s14*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s134*s14*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s134*s14*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s12*s123*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(16*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s134*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s134*s23*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z3)/
    (s123*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s13*z3)/(2*s123*s134*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3)/(16*s134*s14*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/(32*s134*s14*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s123*s23*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z3)/
    (s123*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s14*z3)/(2*s123*s134*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3)/(4*s12*s124*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z3)/(16*s12*s124*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3)/(8*s12*s134*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3)/(16*s124*s14*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z3)/(8*s12*s134*s14*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s123*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s12*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s12*s234*s34*z34) + (CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z3)/
    (4*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s124*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s134*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (4*s123*s23*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s23*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3)/(s123*s23*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z3)/
    (2*s123*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (16*s14*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/
    (32*s14*s23*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (4*s12*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/
    (16*s12*s23*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s123*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (4*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (16*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (16*s134*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (8*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/
    (32*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (16*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/
    (32*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z1*z3)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23^2*z1*z3)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (4*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s134*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s124*s14*s34*z12*z34) - (5*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (4*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (16*s12*s124*s14*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s134*s14*s34*z12*z34) + (7*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z3)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/
    (4*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z3)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z3)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (4*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s134*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s123*s34*z12*z34) - (5*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (16*s12*s134*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (4*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (16*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (2*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (32*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (8*s12*s123*s23*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14^2*z2*z3)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (16*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z2*z3)/
    (16*s12*s134*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (32*s12*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (16*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (7*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s23*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (32*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14^2*z2*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s12*s123*s23*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z2*z3)/
    (32*s12*s123*s23*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z2*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s14*z23*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s14*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s14*s23*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s14*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s14*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (16*s12*s123*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (16*s12*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (16*s14*s234*s34*z23*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s34*z23*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s123*s23*s34*z23*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s123*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s134*s14*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s234*s34*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s23*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s14*s23*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s134*s23*z23*z34) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s134*s14*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s134*s14*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s14*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s14*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s123*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s123*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s123*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (16*s12*s123*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s12*s1234*s13*z2*z3)/
    (8*s134*s14*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (16*s134*s14*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (16*s12*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s14*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s14*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s23*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s23*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s12*s1234*s24*z2*z3)/
    (8*s14*s23*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s14*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (16*s12*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (8*s12*s234*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (4*s23*s234*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (8*s12*s23*s234*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/
    (8*s12*s23*s234*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (8*s12*s23*s234*z12*z23*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (8*s123*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (4*s12*s123*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/
    (8*s12*s123*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s12*s1234*z1*z2*z3)/
    (4*s123*s23*s34*z12*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (8*s123*s23*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z3)/
    (8*s12*s123*s23*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/
    (8*s123*s23*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z1*z2*z3)/
    (8*s12*s123*s23*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z2*z3)/
    (8*s12*s123*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (4*s234*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (8*s12*s234*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/
    (8*s12*s234*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z2*z3)/
    (8*s12*s234*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (8*s12*s123*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (8*s123*s23*s34*z12*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/
    (8*s12*s123*s23*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (4*s12*s234*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (4*s23*s234*s34*z12*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/
    (8*s12*s23*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z2*z3)/(8*s12*s23*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z3)/(8*s12*s23*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(32*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(8*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/(32*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3^2)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(32*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(4*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(8*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(8*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/(32*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(32*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3^2)/(16*s134*s14*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s14*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/(16*s14*s23*s234*s34*z23*z34) - 
   (CF*(-CA + 2*CF)*s1234*z4)/(2*s124^2*z12) + (CF*(-CA + 2*CF)*D*s1234*z4)/
    (4*s124^2*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/
    (s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z4)/
    (2*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*z4)/(16*s123*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s14*z12) - 
   (CF*(-CA + 2*CF)*s12*s1234*z4)/(2*s124^2*s14*z12) + 
   (CF*(-CA + 2*CF)*D*s12*s1234*z4)/(4*s124^2*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s124*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(s123*s124*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s124*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(s123*s124*s14*z12) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s123*s134*s14*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s124*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s124*s134*s14*z12) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s123*s134*s14*z12) - (CA*(CA - 2*CF)*s1234*z4)/
    (16*s124*s23*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s23*z12) + 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s123*s14*s23*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s123*s124*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(s123*s124*s14*z12) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s123*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*z4)/(s124*s23*s234*z12) - (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (2*s124^2*s14*z12) + (CF*(-CA + 2*CF)*D*s1234*s24*z4)/
    (4*s124^2*s14*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s124*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24*z4)/(2*s124*s134*s14*z12) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s124*s14*s23*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s124*s23*s234*z12) - (3*CA*(CA - 2*CF)*s1234*z4)/
    (16*s123*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s134*s34*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s134*s34*z12) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s124*s14*s34*z12) - (3*CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s124*s14*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s124*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (8*s124*s14*s34*z12) + (CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s14*s34*z12) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s14*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s134*s14*s34*z12) + (CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s123*s23*s34*z12) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s123*s23*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s23*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s123*s23*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s124*s14*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s134*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s134*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/(32*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z4)/(16*s23*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z4)/(16*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(8*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(16*s23*s234*s34*z12) - 
   (CF*(-CA + 2*CF)*s1234*z4)/(2*s124^2*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s124*s134*z14) - 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s123*s14*z14) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s123*s14*z14) - (CF*(-CA + 2*CF)*s12*s1234*z4)/(2*s124^2*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s124*s14*z14) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s123*s14*z14) - 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s134*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s14*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s124*s134*s14*z14) + (3*CA*(CA - 2*CF)*s1234*z4)/(16*s123*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s23*z14) + 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s23*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(8*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s123*s14*s23*z14) + 
   (5*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s124*s14*s23*z14) + 
   (7*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s134*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s134*s14*s23*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s134*s14*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s134*s14*s234*z14) + (CA*(CA - 2*CF)*s12*s1234*z4)/
    (4*s14*s23*s234*z14) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s14*s23*s234*z14) - (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (2*s124^2*s14*z14) + (CA*(CA - 2*CF)*s1234*s24*z4)/(8*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s123*s14*s23*z14) + 
   (5*CA*(CA - 2*CF)*s1234*s24*z4)/(16*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s12*s124*s14*s23*z14) + 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s34*z14) - 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s34*z14) + 
   (5*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s124*s14*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s134*s23*s34*z14) + 
   (5*CA*(CA - 2*CF)*s12*s1234*s13*z4)/(16*s134*s14*s23*s34*z14) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/(32*s134*s14*s23*s34*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s124*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s124*s234*s34*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s134*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s134*s234*s34*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12^2*s1234*z4)/
    (s124*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s12^2*s1234*z4)/(2*s124*s14*s234*s34*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z4)/
    (s134*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s13*z4)/(2*s134*s14*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s23*s234*s34*z14) + 
   (5*CA*(CA - 2*CF)*s12^2*s1234*z4)/(16*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z4)/(16*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4)/(4*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/(32*s14*s23*s234*s34*z14) + 
   (5*CA*(CA - 2*CF)*s1234*s24*z4)/(16*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s134*s14*s23*s34*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z4)/
    (s124*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s24*z4)/(2*s124*s14*s234*s34*z14) + 
   (5*CA*(CA - 2*CF)*s12*s1234*s24*z4)/(16*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/(16*s14*s23*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z4)/
    (s124*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*s34*z4)/
    (16*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s34*z4)/
    (4*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s12*s124*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s12*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*z4)/(8*s12*s124*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s123*s124*z23) - 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s123*s14*z23) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s123*s14*z23) - (5*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s123*s14*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s124*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s123*s124*s23*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s124*s14*s23*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (8*s134*s14*s23*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s14*s23*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     z4)/(s124*s234*z23) + (CA*(CA - 2*CF)*s1234*z4)/(16*s23*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s23*s234*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s134*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s14*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s124*s14*s23*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s124*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*z4)/
    (16*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s34*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s134*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s123*s134*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s14*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s123*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s123*s23*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12^2*s1234*z4)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12^2*s1234*z4)/
    (2*s123*s134*s23*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13*z4)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z4)/
    (2*s123*s134*s23*s34*z23) - (3*CA*(CA - 2*CF)*s12^2*s1234*z4)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12^2*s1234*z4)/
    (16*s134*s14*s23*s34*z23) - (3*CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*z4)/(16*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s234*s34*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s134*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s134*s234*s34*z23) - (7*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s14*s234*s34*z23) + (3*CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z4)/
    (8*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/
    (32*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s23*s234*s34*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z4)/(s134*s23*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z4)/
    (2*s134*s23*s234*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s24*z4)/
    (16*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/
    (32*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s34*z4)/
    (16*s124*s14*s23*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s34*z4)/(s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s12*s124*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (2*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s123*s14*z14*z23) + (5*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s134*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s134*s14*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (4*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s14*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s14*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s134*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s134*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s134*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s12^2*s1234*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s14*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (2*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (8*s14*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s134*s14*s34*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (9*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s14*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s14*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*s24*z1*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z4)/
    (32*s14*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s12*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s123*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s124*s14*s23*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s12*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s12*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s12*s124*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (4*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s134*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s134*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s134*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s14*s23*s234*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (4*s134*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s134*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (2*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (8*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s14*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s23*s234*s34*z14*z23) - (9*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12^2*s1234*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z4)/
    (32*s14*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (4*s12*s124*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (8*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (4*s124*s14*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (8*s12*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (8*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (8*s12*s124*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2*z4)/
    (8*s123*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2*z4)/
    (8*s124*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (4*s123*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (8*s124*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z4)/
    (8*s12*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/
    (4*s12*s123*s14*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (8*s12*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (4*s12*s124*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (8*s12*s124*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (8*s123*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (4*s124*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/
    (8*s12*s123*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/(8*s12*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z4)/(8*s12*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(8*s12*s123*s14*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(8*s12*s124*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(8*s123*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(8*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2*z4)/(8*s12*s123*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2*z4)/(8*s12*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s124*s14*s23*z14*z23) + 
   (5*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(16*s134*s14*s23*z14*z23) + 
   (5*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s124*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(16*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(16*s134*s23*s34*z14*z23) + 
   (5*CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3*z4)/(16*s134*s14*s23*s34*z14*z23) + 
   (5*CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3*z4)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(16*s14*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(16*s23*s234*s34*z14*z23) + 
   (5*CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3*z4)/(16*s14*s23*s234*s34*z14*z23) + 
   (5*CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3*z4)/(16*s14*s23*s234*s34*z14*z23) + 
   (5*CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3*z4)/(16*s134*s14*s23*s34*z14*z23) + 
   (5*CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3*z4)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(16*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(16*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s124*s14*z34) + (CA*(CA - 2*CF)*s1234*z4)/(16*s134*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s14*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s124*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s124*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*z4)/
    (16*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s134*s14*s23*z34) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s134*s14*s23*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s124*s14*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s124*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*z4)/
    (16*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*z4)/(32*s23*s234*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s14*s23*s234*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s14*s23*s234*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(8*s123*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s124*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s124*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s12*s123*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s134*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s124*s134*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s124*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (4*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z4)/(s124*s134*s14*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z4)/
    (2*s124*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*z4)/
    (4*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z4)/
    (16*s12*s123*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s23*s34*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s23*s34*z34) + (CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (16*s134*s14*s23*s34*z34) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/
    (32*s134*s14*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*z4)/
    (16*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (4*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (4*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/
    (16*s12*s134*s14*s34*z34) - (5*CA*(CA - 2*CF)*s1234*z4)/
    (16*s234*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s14*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s14*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z4)/(8*s12*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z4)/
    (s124*s14*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s23*z4)/(2*s124*s14*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(8*s12*s124*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s12*s124*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(4*s12*s134*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s12*s134*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(16*s124*s14*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s124*s14*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(4*s12*s124*s14*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s12*s124*s14*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(4*s12*s134*s14*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s12*s134*s14*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(8*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s12*s123*s23*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z4)/
    (s124*s14*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s24*z4)/(2*s124*s14*s234*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z4)/(16*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s12*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z4)/(16*s14*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/(32*s14*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z4)/(8*s12*s23*s234*s34*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z1*z4)/(16*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(32*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s12*s123*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z4)/(16*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(32*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(4*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/(16*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z4)/(8*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z4)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s12*s123*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(2*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(32*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z4)/(32*s12*s124*s14*s34*z12*z34) - 
   (7*CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z4)/(32*s12*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z1*z4)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z1*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z4)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/(8*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(16*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(16*s14*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s14*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(16*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z1*z4)/(8*s134*s14*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(16*s12*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s14*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s12*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s134*s14*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/(16*s12*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1*z4)/(8*s14*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/(16*s12*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/(16*s14*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(8*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(32*s123*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z2*z4)/(16*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(4*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z4)/(8*s124*s14*s34*z12*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(16*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z4)/(4*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/(16*s123*s23*s34*z12*z34) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s123*s23*s34*z12*z34) - 
   (5*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(4*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(8*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/(4*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/(32*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(16*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z2*z4)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z2*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z2*z4)/(16*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(32*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s12*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z2*z4)/(8*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/(16*s23*s234*s34*z12*z34) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14^2*z2*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(8*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(4*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s12*s134*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s134*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s134*s23*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s134*s14*s23*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s14*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s124*s34*z14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s12*s134*s34*z14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s124*s14*s34*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(16*s12*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(16*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s14*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s124*s34*z14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(16*s12*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(16*s14*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z4)/(8*s12*s134*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z4)/(4*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(8*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/(8*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(8*s12*s134*s14*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z2*z4)/(8*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(8*s12*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z4)/(4*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(4*s12*s134*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z2*z4)/(4*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(8*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(4*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z4)/(8*s12*s134*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z4)/(8*s12*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z4)/(8*s12*s134*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/(8*s12*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/(8*s12*s134*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/(8*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z2*z4)/(8*s12*s134*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(4*s12*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(8*s12*s134*s34*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(8*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/(8*s12*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/(8*s12*s134*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z2*z4)/(8*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z4)/(8*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(32*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(32*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s14*s23*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s14*s23*s234*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s124*s34*z14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s34*z14*z34) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s124*s14*s34*z14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(16*s134*s14*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s14*s234*s34*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(16*s14*s23*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s14*s23*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s14*s23*s234*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s123*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s123*s23*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(16*s134*s14*s23*s34*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s14*s234*s34*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(16*s14*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(32*s134*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(32*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(4*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(16*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12^2*s1234*z4^2)/(8*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z4^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(8*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(16*s14*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12^2*s1234*z4^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z4^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z4^2)/(8*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z4^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z4^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z4^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z4^2)/(16*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(32*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(32*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(4*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(32*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(32*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z4^2)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(32*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(8*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(32*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(16*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z4^2)/(16*s14*s23*s234*s34*z14*z34)) + 
 k1k3*((-5*CA*(CA - 2*CF)*s1234)/(4*s12*s123) + (7*CA*(CA - 2*CF)*D*s1234)/
    (16*s12*s123) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s12*s123) + 
   (2*CF*(-CA + 2*CF)*s1234)/s124^2 - (3*CF*(-CA + 2*CF)*D*s1234)/
    (2*s124^2) + (CF*(-CA + 2*CF)*D^2*s1234)/(4*s124^2) - 
   (CA*(CA - 2*CF)*D*s1234)/(8*s12*s124) + (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s12*s124) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s123*s124) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s123*s124) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234)/
    (2*s123*s124) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s124*s134) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s124*s134) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234)/
    (2*s124*s134) - (CA*(CA - 2*CF)*D*s1234)/(8*s124*s14) + 
   (CA*(CA - 2*CF)*D^2*s1234)/(32*s124*s14) - (5*CA*(CA - 2*CF)*s1234)/
    (4*s134*s14) + (7*CA*(CA - 2*CF)*D*s1234)/(16*s134*s14) - 
   (CA*(CA - 2*CF)*D^2*s1234)/(32*s134*s14) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s124*s134*s14) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(2*s124*s134*s14) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s12*s123*s124) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s12*s123*s124) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s12*s123*s124) - (5*CA*(CA - 2*CF)*s1234)/(4*s123*s23) + 
   (7*CA*(CA - 2*CF)*D*s1234)/(16*s123*s23) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s123*s23) + (CA*(CA - 2*CF)*s1234)/(4*s124*s23) + 
   (CA*(CA - 2*CF)*D*s1234)/(16*s124*s23) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s124*s23) - (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s123*s134*s23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234)/(s123*s134*s23) - (CA*(CA - 2*CF)*s12*s1234)/(s134*s14*s23) + 
   (3*CA*(CA - 2*CF)*D*s12*s1234)/(8*s134*s14*s23) - 
   (CA*(CA - 2*CF)*D^2*s12*s1234)/(32*s134*s14*s23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s124*s23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/(s123*s124*s23) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s12*s123*s134) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s12*s123*s134) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/
    (s12*s124*s134) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s12*s124*s134) - (CA*(CA - 2*CF)*s1234*s23)/(4*s12*s134*s14) + 
   (CA*(CA - 2*CF)*D*s1234*s23)/(16*s12*s134*s14) + 
   (2*CF*(-CA + 2*CF)*s1234)/s234^2 - (3*CF*(-CA + 2*CF)*D*s1234)/
    (2*s234^2) + (CF*(-CA + 2*CF)*D^2*s1234)/(4*s234^2) + 
   (CA*(CA - 2*CF)*s1234)/(4*s12*s234) + (CA*(CA - 2*CF)*D*s1234)/
    (16*s12*s234) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s12*s234) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/(s123*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/(s123*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234)/(2*s123*s234) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/(s134*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/(s134*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234)/(2*s134*s234) + 
   (CA*(CA - 2*CF)*s1234)/(4*s14*s234) + (CA*(CA - 2*CF)*D*s1234)/
    (16*s14*s234) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s14*s234) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s124*s14*s234) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s124*s14*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s134*s14*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s134*s14*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/
    (s12*s123*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s12*s123*s234) - (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14)/
    (s12*s124*s234) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14)/(s12*s124*s234) - (CA*(CA - 2*CF)*D*s1234)/(8*s23*s234) + 
   (CA*(CA - 2*CF)*D^2*s1234)/(32*s23*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s134*s23*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/(s134*s23*s234) - 
   (CA*(CA - 2*CF)*s12*s1234)/(4*s14*s23*s234) + (CA*(CA - 2*CF)*D*s12*s1234)/
    (16*s14*s23*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23)/(s134*s14*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23)/(s134*s14*s234) + (CF*(-CA + 2*CF)*s1234*s24)/(s12*s124^2) - 
   (3*CF*(-CA + 2*CF)*D*s1234*s24)/(4*s12*s124^2) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s24)/(8*s12*s124^2) + 
   (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s12*s123*s124) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s12*s123*s124) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s12*s123*s124) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s12*s123*s134) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s12*s123*s134) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s12*s123*s134) + (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s12*s124*s134) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s12*s124*s134) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s12*s124*s134) + (CA*(CA - 2*CF)*s1234*s24)/(4*s12*s123*s14) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(4*s12*s123*s14) + 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(32*s12*s123*s14) + 
   (CF*(-CA + 2*CF)*s1234*s24)/(s124^2*s14) - (3*CF*(-CA + 2*CF)*D*s1234*s24)/
    (4*s124^2*s14) + (CF*(-CA + 2*CF)*D^2*s1234*s24)/(8*s124^2*s14) + 
   (5*CA*(CA - 2*CF)*s1234*s24)/(4*s12*s124*s14) - 
   (5*CA*(CA - 2*CF)*D*s1234*s24)/(8*s12*s124*s14) + 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(16*s12*s124*s14) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s124*s14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s123*s124*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s123*s124*s14) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s124*s14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s124*s14) + (CA*(CA - 2*CF)*s1234*s24)/(4*s12*s134*s14) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(4*s12*s134*s14) + 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(32*s12*s134*s14) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s134*s14) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s123*s134*s14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s123*s134*s14) + (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s124*s134*s14) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s124*s134*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s124*s134*s14) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s134*s14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s134*s14) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s12*s124*s134*s14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s124*s134*s14) + (CA*(CA - 2*CF)*s1234*s24)/(8*s12*s124*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s124*s23) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s124*s23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s123*s124*s23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s123*s124*s23) + (16*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s124*s23) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s124*s23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s24)/(2*s12*s123*s124*s23) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s134*s23) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s123*s134*s23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s123*s134*s23) + (CA*(CA - 2*CF)*s1234*s24)/(2*s123*s14*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s123*s14*s23) + 
   (7*CA*(CA - 2*CF)*s1234*s24)/(8*s124*s14*s23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24)/(16*s124*s14*s23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24)/(2*s12*s123*s14*s23) - 
   (7*CA*(CA - 2*CF)*D*s1234*s13*s24)/(16*s12*s123*s14*s23) + 
   (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/(32*s12*s123*s14*s23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24)/(2*s12*s124*s14*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24)/(8*s12*s124*s14*s23) + 
   (CA*(CA - 2*CF)*s1234*s24)/(2*s134*s14*s23) - (CA*(CA - 2*CF)*D*s1234*s24)/
    (16*s134*s14*s23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*s24)/(s12*s123*s124*s14) + (CF*(-CA + 2*CF)*s1234*s24)/
    (s23*s234^2) - (3*CF*(-CA + 2*CF)*D*s1234*s24)/(4*s23*s234^2) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s24)/(8*s23*s234^2) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s12*s123*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s12*s123*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s12*s123*s234) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s12*s124*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s12*s124*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s12*s124*s234) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s124*s14*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s124*s14*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s124*s14*s234) + (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s134*s14*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s134*s14*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s134*s14*s234) + (CA*(CA - 2*CF)*s1234*s24)/(8*s12*s23*s234) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s23*s234) + 
   (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s23*s234) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s123*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s123*s23*s234) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s124*s23*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s124*s23*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s124*s23*s234) + (16*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s23*s234) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s24)/(2*s12*s123*s23*s234) + 
   (20*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s124*s23*s234) - (7*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24)/(s12*s124*s23*s234) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24)/
    (2*s12*s124*s23*s234) + (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s134*s23*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s134*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s134*s23*s234) + (7*CA*(CA - 2*CF)*s1234*s24)/(8*s14*s23*s234) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24)/(16*s14*s23*s234) + 
   (2*CF*(-CA + 2*CF)*s1234*s24^2)/(s12*s124^2*s14) - 
   (5*CF*(-CA + 2*CF)*D*s1234*s24^2)/(4*s12*s124^2*s14) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s24^2)/(8*s12*s124^2*s14) + 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24^2)/
    (s12*s123*s124*s14) - (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2)/(s12*s123*s124*s14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s24^2)/
    (2*s12*s123*s124*s14) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2)/(s12*s123*s134*s14) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24^2)/
    (s12*s123*s134*s14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s24^2)/(2*s12*s123*s134*s14) + 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24^2)/
    (s12*s124*s134*s14) - (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2)/(s12*s124*s134*s14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s24^2)/
    (2*s12*s124*s134*s14) + (CA*(CA - 2*CF)*s1234*s24^2)/
    (2*s12*s124*s14*s23) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24^2)/(s12*s124*s23*s234) + (CA*(CA - 2*CF)*s1234)/(4*s124*s34) + 
   (CA*(CA - 2*CF)*D*s1234)/(16*s124*s34) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s124*s34) - (5*CA*(CA - 2*CF)*s1234)/(4*s134*s34) + 
   (7*CA*(CA - 2*CF)*D*s1234)/(16*s134*s34) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s134*s34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s124*s134*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s124*s134*s34) - (CA*(CA - 2*CF)*s1234*s14)/(s12*s123*s34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s14)/(8*s12*s123*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s14)/(32*s12*s123*s34) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s134*s34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s123*s134*s34) - (CA*(CA - 2*CF)*s12*s1234)/(4*s134*s23*s34) + 
   (CA*(CA - 2*CF)*D*s12*s1234)/(16*s134*s23*s34) - 
   (CA*(CA - 2*CF)*s1234*s14)/(4*s123*s23*s34) + (CA*(CA - 2*CF)*D*s1234*s14)/
    (16*s123*s23*s34) - (CA*(CA - 2*CF)*s1234*s23)/(4*s12*s124*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s23)/(16*s12*s124*s34) - 
   (CA*(CA - 2*CF)*s1234*s23)/(s12*s134*s34) + (3*CA*(CA - 2*CF)*D*s1234*s23)/
    (8*s12*s134*s34) - (CA*(CA - 2*CF)*D^2*s1234*s23)/(32*s12*s134*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s124*s134*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/(s124*s134*s34) - 
   (CA*(CA - 2*CF)*D*s1234)/(8*s234*s34) + (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s234*s34) - (CA*(CA - 2*CF)*s1234*s14)/(4*s12*s234*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s14)/(16*s12*s234*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/(s123*s234*s34) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s124*s234*s34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s124*s234*s34) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23)/(s134*s234*s34) + (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23)/(s134*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s23)/(2*s134*s234*s34) + (CA*(CA - 2*CF)*s1234*s24)/
    (2*s12*s123*s34) - (CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s123*s34) + 
   (7*CA*(CA - 2*CF)*s1234*s24)/(8*s12*s124*s34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s124*s34) + 
   (CA*(CA - 2*CF)*s1234*s24)/(2*s12*s134*s34) - (CA*(CA - 2*CF)*D*s1234*s24)/
    (16*s12*s134*s34) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24)/(s123*s134*s34) - (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24)/(s123*s134*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s24)/(2*s123*s134*s34) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s124*s134*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s124*s134*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s124*s134*s34) + (CA*(CA - 2*CF)*s1234*s24)/(8*s124*s14*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s124*s14*s34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24)/(2*s12*s124*s14*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24)/(8*s12*s124*s14*s34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24)/(2*s12*s134*s14*s34) - 
   (7*CA*(CA - 2*CF)*D*s1234*s13*s24)/(16*s12*s134*s14*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/(32*s12*s134*s14*s34) + 
   (16*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s124*s134*s14*s34) - (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24)/(s124*s134*s14*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24)/
    (2*s124*s134*s14*s34) + (CA*(CA - 2*CF)*s1234*s24)/(4*s123*s23*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(4*s123*s23*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(32*s123*s23*s34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24)/(2*s12*s123*s23*s34) - 
   (7*CA*(CA - 2*CF)*D*s1234*s13*s24)/(16*s12*s123*s23*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/(32*s12*s123*s23*s34) + 
   (CA*(CA - 2*CF)*s1234*s24)/(4*s134*s23*s34) - (CA*(CA - 2*CF)*D*s1234*s24)/
    (4*s134*s23*s34) + (CA*(CA - 2*CF)*D^2*s1234*s24)/(32*s134*s23*s34) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s123*s134*s23*s34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24)/(s123*s134*s23*s34) + (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (2*s134*s14*s23*s34) - (7*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s134*s14*s23*s34) + (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s134*s14*s23*s34) + (CA*(CA - 2*CF)*s1234*s23*s24)/
    (8*s12*s124*s14*s34) + (CF*(-CA + 2*CF)*s1234*s24)/(s234^2*s34) - 
   (3*CF*(-CA + 2*CF)*D*s1234*s24)/(4*s234^2*s34) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s24)/(8*s234^2*s34) + 
   (7*CA*(CA - 2*CF)*s1234*s24)/(8*s12*s234*s34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s234*s34) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s234*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s123*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s123*s234*s34) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s124*s234*s34) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s124*s234*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s124*s234*s34) + (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s134*s234*s34) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s134*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s134*s234*s34) + (CA*(CA - 2*CF)*s1234*s24)/(8*s14*s234*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s14*s234*s34) + 
   (20*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s124*s14*s234*s34) - (7*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24)/(s124*s14*s234*s34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24)/
    (2*s124*s14*s234*s34) + (16*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s134*s14*s234*s34) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s134*s14*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s24)/(2*s134*s14*s234*s34) + (5*CA*(CA - 2*CF)*s1234*s24)/
    (4*s23*s234*s34) - (5*CA*(CA - 2*CF)*D*s1234*s24)/(8*s23*s234*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(16*s23*s234*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24)/
    (s123*s23*s234*s34) + (CA*(CA - 2*CF)*s1234*s13*s24)/
    (2*s12*s23*s234*s34) - (CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s12*s23*s234*s34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s123*s23*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s123*s23*s234*s34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s134*s23*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s134*s23*s234*s34) + (CA*(CA - 2*CF)*s12*s1234*s24)/
    (8*s14*s23*s234*s34) + (CA*(CA - 2*CF)*s1234*s13*s24)/
    (2*s14*s23*s234*s34) - (CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s14*s23*s234*s34) + (CA*(CA - 2*CF)*s1234*s14*s24)/
    (8*s12*s23*s234*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*s24)/(s134*s23*s234*s34) + (CA*(CA - 2*CF)*s1234*s24^2)/
    (2*s12*s124*s14*s34) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2)/(s123*s134*s23*s34) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24^2)/
    (s123*s134*s23*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s24^2)/(2*s123*s134*s23*s34) + (2*CF*(-CA + 2*CF)*s1234*s24^2)/
    (s23*s234^2*s34) - (5*CF*(-CA + 2*CF)*D*s1234*s24^2)/(4*s23*s234^2*s34) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s24^2)/(8*s23*s234^2*s34) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24^2)/
    (s124*s14*s234*s34) + (CA*(CA - 2*CF)*s1234*s24^2)/(2*s12*s23*s234*s34) + 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24^2)/
    (s123*s23*s234*s34) - (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2)/(s123*s23*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s24^2)/
    (2*s123*s23*s234*s34) + (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2)/(s134*s23*s234*s34) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24^2)/
    (s134*s23*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s24^2)/(2*s134*s23*s234*s34) + (CA*(CA - 2*CF)*s1234*s24^2)/
    (2*s14*s23*s234*s34) - (CA*(CA - 2*CF)*s1234*s34)/(4*s12*s123*s14) + 
   (CA*(CA - 2*CF)*D*s1234*s34)/(16*s12*s123*s14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s124*s14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/(s123*s124*s14) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s134*s14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s123*s134*s14) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/
    (s123*s124*s23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s123*s124*s23) - (CA*(CA - 2*CF)*s1234*s34)/(s123*s14*s23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s34)/(8*s123*s14*s23) - 
   (CA*(CA - 2*CF)*D^2*s1234*s34)/(32*s123*s14*s23) - 
   (CA*(CA - 2*CF)*s1234*s34)/(4*s124*s14*s23) + (CA*(CA - 2*CF)*D*s1234*s34)/
    (16*s124*s14*s23) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34)/(s12*s123*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s34)/(s12*s123*s234) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s23*s234) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s123*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s123*s23*s234) - (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34)/(s124*s23*s234) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s124*s23*s234) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*
     s34)/(s12*s124*s134*s14) + (CA*(CA - 2*CF)*s1234*s24*s34)/
    (8*s12*s124*s14*s23) - (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s123*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s12*s123*z12) - 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s234*z12) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s12*s234*z12) + (CF*(-CA + 2*CF)*s1234*s24*z1)/(s12*s124^2*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s24*z1)/(4*s12*s124^2*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s14*z12) + (CF*(-CA + 2*CF)*s1234*s24*z1)/(s124^2*s14*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s24*z1)/(4*s124^2*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s124*s14*z12) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s123*s124*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(s123*s124*s14*z12) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s12*s123*s124*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z1)/(s12*s123*s124*s14*z12) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s123*s134*s14*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s124*s134*s14*z12) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s12*s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z1)/(2*s12*s123*s134*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s124*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s124*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s12*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(32*s12*s123*s14*s23*z12) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1)/
    (s12*s123*s124*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s24*z1)/(s12*s123*s124*s14*z12) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1)/
    (s12*s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s24*z1)/(2*s12*s123*s134*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s23*s234*z12) + 
   (CF*(-CA + 2*CF)*s1234*s24^2*z1)/(s12*s124^2*s14*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s24^2*z1)/(4*s12*s124^2*s14*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z1)/
    (s12*s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2*z1)/(2*s12*s124*s134*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s12*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s12*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(4*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z1)/(16*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(4*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s123*s34*z12) - 
   (7*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s124*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s134*s34*z12) - 
   (7*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(2*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(8*s12*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s134*s14*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s123*s23*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(32*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1)/(4*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(16*s12*s124*s14*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s23*s24*z1)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(32*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1)/(16*s12*s23*s234*s34*z12) - 
   (7*CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s12*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(4*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s134*s14*z14) + (CA*(CA - 2*CF)*s12*s1234*z1)/(4*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1)/(16*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s14*s234*z14) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s14*s234*z14) + (CF*(-CA + 2*CF)*s1234*s24*z1)/(s12*s124^2*z14) - 
   (CF*(-CA + 2*CF)*D*s1234*s24*z1)/(4*s12*s124^2*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s12*s123*s124*z14) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s12*s123*s134*z14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s124*s134*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(s12*s124*s134*z14) + (CF*(-CA + 2*CF)*s1234*s24*z1)/
    (s124^2*s14*z14) - (CF*(-CA + 2*CF)*D*s1234*s24*z1)/(4*s124^2*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s124*s14*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s134*s14*z14) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s12*s123*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (2*s12*s123*s134*s14*z14) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s12*s124*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (s12*s124*s134*s14*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s23*z14) - (7*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s23*z14) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s123*s14*s23*z14) - (7*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s124*s14*s23*z14) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s124*s14*s23*z14) - (5*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (16*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (2*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (8*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s134*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s23*s234*z14) + (CF*(-CA + 2*CF)*s1234*s24^2*z1)/
    (s12*s124^2*s14*z14) - (CF*(-CA + 2*CF)*D*s1234*s24^2*z1)/
    (4*s12*s124^2*s14*z14) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s12*s123*s124*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z1)/
    (2*s12*s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (4*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s123*s14*s23*z14) - (7*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s124*s14*s23*z14) + (3*CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s134*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s124*s14*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s134*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s134*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s134*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s23*s34*z14) - (5*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s14*s234*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*s24*z1)/
    (16*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s124*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (4*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s124*s14*s23*z14) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1)/(s12*s123*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (2*s12*s123*s134*s14*z14) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1)/(s12*s124*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (s12*s124*s134*s14*z14) - (5*CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (16*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (4*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (16*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s12*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s12*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s12*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s12*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*z2)/
    (8*s12*s123*z12) - (CA*(CA - 2*CF)*s1234*z2)/(16*s12*s124*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s124*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s134*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s134*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/
    (2*s123*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*z2)/
    (s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/
    (2*s124*s134*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*
     z2)/(s12*s123*s134*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*z2)/(2*s12*s123*s134*z12) + (CA*(CA - 2*CF)*s1234*z2)/
    (16*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s14*z12) + 
   (3*CA*(CA - 2*CF)*s1234*z2)/(16*s134*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s14*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s12*s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(2*s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*z2)/
    (8*s123*s23*z12) - (CA*(CA - 2*CF)*D*s1234*z2)/(16*s123*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s124*s23*z12) - (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s124*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s124*s23*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z2)/
    (s12*s123*s134*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z2)/(2*s12*s123*s134*z12) + (CA*(CA - 2*CF)*s1234*s23*z2)/
    (16*s12*s134*s14*z12) - (3*CA*(CA - 2*CF)*s1234*z2)/(8*s12*s234*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s234*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z2)/(16*s23*s234*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s23*s234*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s23*s234*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s23*s234*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s23*s234*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s23*s234*z12) + 
   (CF*(-CA + 2*CF)*s1234*s24*z2)/(2*s12*s124^2*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z2)/
    (s12*s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z2)/(2*s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s12*s123*s14*z12) + (CF*(-CA + 2*CF)*s1234*s24*z2)/
    (2*s124^2*s14*z12) + (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s124*s14*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s123*s124*s14*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2)/
    (s12*s123*s124*s14*z12) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s12*s134*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s134*s14*z12) - (5*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s124*s23*z12) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s123*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s124*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (4*s12*s123*s14*s23*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z2)/(s12*s123*s124*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2)/
    (s12*s123*s234*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s23*s234*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s12*s23*s234*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s123*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2)/
    (s124*s23*s234*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z2)/(s12*s123*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z2)/
    (s12*s124*s23*s234*z12) + (CF*(-CA + 2*CF)*s1234*s24^2*z2)/
    (2*s12*s124^2*s14*z12) - (CA*(CA - 2*CF)*s1234*s24^2*z2)/
    (4*s12*s124*s14*s23*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z2)/(s12*s124*s23*s234*z12) + (CA*(CA - 2*CF)*s1234*z2)/
    (16*s124*s34*z12) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*z2)/(16*s134*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(4*s12*s134*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2)/(16*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/(32*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(8*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2)/(8*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/(32*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14^2*z2)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(4*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(32*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(4*s12*s134*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z2)/(32*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(4*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(4*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s12*s134*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z2)/(8*s12*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(4*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(2*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s12*s23*s234*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s14*s24*z2)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z2)/(4*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z2)/(4*s12*s23*s234*s34*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s12*s124*s134*z12) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s123*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z2)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s124*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s34*z2)/(s12*s123*s134*s14*z12) - (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s124*s23*z12) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s123*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s123*s14*s23*z12) - (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s124*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s124*s14*s23*z12) + (3*CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (16*s12*s123*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/
    (32*s12*s123*s14*s23*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s34*z2)/(s12*s123*s134*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s12*s123*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s12*s123*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s123*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s124*s23*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s12*s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34*z2)/(2*s12*s123*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z2)/
    (s12*s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s34*z2)/(2*s12*s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z2)/
    (s12*s124*s134*s14*z12) - (3*CA*(CA - 2*CF)*s1234*s24*s34*z2)/
    (16*s12*s124*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/
    (32*s12*s124*s14*s23*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z2)/(s12*s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z2)/
    (2*s12*s124*s23*s234*z12) - (CF*(-CA + 2*CF)*s1234*z2)/(s124^2*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*z2)/(4*s124^2*z14) - (3*CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s124*z14) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s124*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s124*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(2*s123*s124*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s12*s123*s134*z14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s124*s134*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s12*s124*s134*z14) - (CA*(CA - 2*CF)*s1234*z2)/
    (16*s124*s14*z14) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s134*s14*z14) - 
   (CF*(-CA + 2*CF)*s1234*s14*z2)/(s12*s124^2*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s14*z2)/(4*s12*s124^2*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s12*s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(2*s12*s123*s124*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s12*s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(2*s12*s123*s134*z14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s12*s124*s134*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(s12*s124*s134*z14) + (CA*(CA - 2*CF)*s1234*z2)/
    (4*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s123*s23*z14) + 
   (7*CA*(CA - 2*CF)*s1234*z2)/(16*s124*s23*z14) - 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s23*z14) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(2*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(8*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s134*s23*z14) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s134*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s123*s23*z14) + (7*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s124*s23*z14) - (3*CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s124*s23*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*z2)/(s124*s234*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*z2)/(2*s124*s234*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s134*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/
    (2*s134*s234*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z2)/(s124*s14*s234*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*z2)/
    (2*s124*s14*s234*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s134*s14*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (2*s134*s14*s234*z14) - (5*CA*(CA - 2*CF)*s1234*z2)/(16*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s23*s234*z14) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z2)/(16*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z2)/(16*s14*s23*s234*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s14*s23*s234*z14) - 
   (CF*(-CA + 2*CF)*s1234*s24*z2)/(s12*s124^2*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s24*z2)/(4*s12*s124^2*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2)/
    (s12*s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z2)/(2*s12*s123*s124*z14) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s12*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s123*s23*z14) + (7*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s23*z14) - (3*CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s124*s23*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s124*s14*s234*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z2)/
    (2*s124*s14*s234*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s14*s23*s234*z14) + (CA*(CA - 2*CF)*s1234*z2)/(16*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s134*s34*z14) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s134*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s134*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s134*s23*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*z2)/(8*s234*s34*z14) + (CA*(CA - 2*CF)*s12*s1234*z2)/
    (16*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s23*s234*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s124*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s23*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z2)/(s12*s123*s124*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s12*s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s12*s123*s134*z14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s12*s124*s134*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(s12*s124*s134*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s134*s14*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s34*z2)/(s12*s123*s134*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s12*s123*s23*z14) - (3*CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s123*s23*z14) + (5*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s124*s23*z14) - (3*CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s124*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (16*s12*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s134*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s134*s14*s23*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s134*s14*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (2*s134*s14*s234*z14) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s14*s23*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*s34*z2)/(s12*s123*s124*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/(32*s12*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24*s34*z2)/(16*s12*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/(32*s12*s124*s14*s23*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s34^2*z2)/
    (s12*s123*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s34^2*z2)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s123*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s124*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s123*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (16*s12*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (16*s12*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*z1)/
    (4*s12*s123*z23) - (CA*(CA - 2*CF)*D*s1234*z1)/(16*s12*s123*z23) + 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s124*z23) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s12*s124*z23) - (CA*(CA - 2*CF)*s1234*z1)/(4*s14*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s14*s234*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s123*s124*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s12*s123*s124*z23) + (5*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s14*z23) + (7*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s14*z23) - (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s14*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s123*s124*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s123*s124*s23*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s12*s123*s124*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (2*s12*s123*s124*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s14*s23*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s12*s124*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s12*s124*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s134*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (16*s12*s124*s14*s23*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s12*s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z1)/
    (2*s12*s124*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s123*s134*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s14*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s123*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s123*s23*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s24*z1)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s123*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z1)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s134*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s23*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s134*s23*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s14*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s14*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(4*s12*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(16*s12*s123*s14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*s34*z1)/(16*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/(16*s12*s124*s14*s23*z23) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1)/
    (s12*s124*s23*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24*s34*z1)/(2*s12*s124*s23*s234*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/(8*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/(16*s12*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1^2)/(4*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/(16*s12*s124*s14*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/(16*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/(32*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1^2)/(8*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/(32*s124*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/(32*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1^2)/(16*s134*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z1^2)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/(32*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1^2)/(8*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1^2)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1^2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z2)/(8*s12*s123*z23) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s12*s123*z23) - (3*CA*(CA - 2*CF)*s1234*z2)/(16*s12*s124*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s124*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s134*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/
    (2*s123*s134*z23) + (5*CA*(CA - 2*CF)*s1234*z2)/(16*s134*s14*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s14*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s12*s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(2*s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*z2)/
    (8*s123*s23*z23) - (3*CA*(CA - 2*CF)*s1234*z2)/(8*s124*s23*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s124*s23*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s23*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z2)/
    (s123*s134*s23*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z2)/(2*s123*s134*s23*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s134*s23*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s134*s23*z23) - (CA*(CA - 2*CF)*s12*s1234*z2)/
    (16*s134*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s14*s23*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2)/(s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (2*s123*s124*s23*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2)/(s12*s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z2)/
    (2*s12*s123*s124*s23*z23) - (CA*(CA - 2*CF)*s1234*z2)/(16*s12*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*z2)/(s134*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(2*s134*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s14*s234*z23) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s14*s234*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s12*s124*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s14*z2)/(2*s12*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*z2)/
    (16*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z2)/(8*s14*s23*s234*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s134*s23*s234*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z2)/(s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s12*s124*s14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s12*s124*s23*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s123*s124*s23*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2)/
    (s12*s123*s124*s23*z23) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s123*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (2*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s134*s14*s23*z23) - (3*CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s134*s14*s23*z23) + (CF*(-CA + 2*CF)*s1234*s24*z2)/
    (2*s23*s234^2*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z2)/(s12*s124*s234*z23) - (5*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z2)/(s134*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24*z2)/(2*s134*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s14*s23*s234*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z2)/(s12*s124*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z2)/
    (2*s12*s124*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z2)/
    (4*s12*s124*s14*s23*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z2)/(s12*s124*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*z2)/
    (16*s134*s34*z23) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s34*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s123*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s123*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s123*s134*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*z2)/
    (16*s134*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s123*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (16*s12*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/
    (32*s12*s123*s23*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s14*z2)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2)/
    (s123*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*z2)/(16*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s134*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s12*s123*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s123*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (4*s12*s123*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s134*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s134*s14*s23*s34*z23) + (CF*(-CA + 2*CF)*s1234*s24*z2)/
    (2*s234^2*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z2)/(4*s12*s234*s34*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2)/
    (s123*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s14*s234*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s23*s234*s34*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z2)/(s123*s23*s234*s34*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2)/
    (s123*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z2)/
    (8*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (4*s14*s23*s234*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s14*s24*z2)/
    (16*s12*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/
    (32*s12*s23*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z2)/(s134*s23*s234*s34*z23) + 
   (CF*(-CA + 2*CF)*s1234*s24^2*z2)/(2*s23*s234^2*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z2)/(4*s12*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z2)/(4*s14*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s123*s14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s124*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s124*s14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s124*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(16*s12*s124*s23*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z2)/(16*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2)/(16*s12*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/(32*s12*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2)/(8*s12*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/(32*s12*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(4*s134*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s134*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s134*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s134*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s14*s23*s234*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s34*z2)/(s12*s124*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s34*z2)/
    (2*s12*s124*s23*s234*z23) - (5*CA*(CA - 2*CF)*s1234*s24*s34*z2)/
    (16*s12*s124*s14*s23*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z2)/(s12*s124*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s34^2*z2)/(16*s12*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s12*s123*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s123*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s12*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s123*s14*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s123*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s124*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s12*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s23*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/(16*s12*s124*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s123*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s123*s23*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1*z2)/(8*s12*s123*s23*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s234*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s123*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s123*s23*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s12*s123*s23*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s234*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z2)/(8*s12*s23*s234*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/(16*s12*s23*s234*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s12*s23*s234*z12*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z2)/(8*s12*s123*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(16*s12*s123*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(4*s12*s124*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(16*s12*s124*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(4*s134*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z2)/(16*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(32*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(32*s124*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(16*s134*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z2)/(16*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(4*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(16*s12*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(16*s12*s124*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(8*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/(8*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s134*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z2)/(16*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1*z2)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/(16*s14*s23*s234*s34*z14*z23) + 
   (9*CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s12*s123*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(32*s12*s123*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s12*s124*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(32*s12*s124*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(32*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(32*s124*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(16*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z2)/(32*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(8*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(16*s12*s124*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/(16*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34^2*z1*z2)/(32*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/(8*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34^2*z1*z2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z2^2)/(8*s12*s123*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z2^2)/(8*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z2^2)/(16*s124*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s12*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(16*s12*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z2^2)/(16*s12*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(16*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(16*s12*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(16*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(16*s12*s123*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(16*s123*s23*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/(16*s12*s123*s23*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(16*s12*s234*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2^2)/(16*s12*s23*s234*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(16*s12*s123*s14*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(16*s12*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(16*s123*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(16*s124*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/(16*s12*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(16*s12*s23*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z2^2)/(16*s12*s124*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z2^2)/(4*s12*s123*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2^2)/(16*s12*s123*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z2^2)/(8*s12*s124*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2^2)/(16*s12*s124*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z2^2)/(8*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2^2)/(32*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z2^2)/(16*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2^2)/(32*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(32*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(32*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z2^2)/(16*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z2^2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(8*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/(32*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(16*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/(32*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z2^2)/(8*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z2^2)/(16*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(16*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z2^2)/(8*s12*s123*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s34*z2^2)/(32*s12*s123*s23*z14*z23) + 
   (7*CA*(CA - 2*CF)*s1234*s34*z2^2)/(16*s12*s124*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s34*z2^2)/(32*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(8*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/(32*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z2^2)/(16*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/(32*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/(8*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2^2)/(32*s12*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2^2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z2^2)/(8*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z2^2)/(32*s12*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*s34*z2^2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z2^2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34^2*z2^2)/(8*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34^2*z2^2)/(32*s12*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34^2*z2^2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34^2*z2^2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s123*s23*z12) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s123*s23*z12) + (CA*(CA - 2*CF)*s1234*z3)/(4*s23*s234*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s12*s124*s134*z12) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s124*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z3)/(s12*s123*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s23*z12) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s124*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s123*s14*s23*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z3)/(s12*s123*s134*s14*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s12*s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s12*s123*s234*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s123*s23*s234*z12) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s124*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s12*s123*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z3)/(2*s12*s123*s23*s234*z12) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z3)/
    (s12*s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s24*z3)/(2*s12*s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24^2*z3)/
    (s12*s124*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s124*s14*s23*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z3)/(s12*s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z3)/
    (2*s12*s124*s23*s234*z12) - (CA*(CA - 2*CF)*s1234*z3)/(4*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(4*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s12*s134*s14*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z3)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s234*s34*z12) + 
   (7*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s12*s23*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z3)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/(16*s12*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s12*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s124*s23*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*
     z3)/(s12*s123*s124*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s12*s123*s134*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z3)/(s12*s123*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s134*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s14*s23*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s134*s14*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s134*s14*s234*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s14*s23*s234*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s23*s234*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24^2*z3)/(s12*s123*s124*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z3)/(4*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s134*s34*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(4*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s12*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s12*s134*s14*s34*z14) + 
   (5*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s134*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s134*s23*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s134*s14*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s134*s14*s23*s34*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s124*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s124*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s134*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s134*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3)/
    (s124*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s24*z3)/(2*s124*s14*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s134*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z3)/(2*s134*s14*s234*s34*z14) + 
   (7*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s23*s234*s34*z14) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s23*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z3)/(16*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/(16*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s12*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s12*s124*s14*s34*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z3)/
    (s124*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2*z3)/(2*s124*s14*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(16*s14*s23*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z3)/
    (s12*s123*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z3)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*z3)/
    (4*s123*s23*z23) + (CA*(CA - 2*CF)*D*s1234*z3)/(16*s123*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s124*s23*z23) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s124*s23*z23) + (CA*(CA - 2*CF)*s12*s1234*z3)/(4*s14*s23*s234*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s14*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s123*s14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s124*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s124*s14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s12*s124*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s124*s14*s23*z23) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s12*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s12*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s134*s14*s23*z23) + 
   (CF*(-CA + 2*CF)*s1234*s24*z3)/(s23*s234^2*z23) - 
   (CF*(-CA + 2*CF)*D*s1234*s24*z3)/(4*s23*s234^2*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s23*s234*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s134*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s134*s23*s234*z23) - (7*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s14*s23*s234*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s34*z23) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s134*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s123*s134*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s123*s23*s34*z23) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s24*z3)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z3)/
    (2*s123*s134*s23*s34*z23) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z3)/
    (2*s123*s134*s23*s34*z23) - (5*CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/
    (16*s134*s14*s23*s34*z23) - (5*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s134*s14*s23*s34*z23) + (CF*(-CA + 2*CF)*s1234*s24*z3)/
    (s234^2*s34*z23) - (CF*(-CA + 2*CF)*D*s1234*s24*z3)/(4*s234^2*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s234*s34*z23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(s123*s234*s34*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s134*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s134*s234*s34*z23) - (7*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s14*s234*s34*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s23*s234*s34*z23) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3)/(s123*s23*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z3)/
    (s123*s23*s234*s34*z23) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s123*s23*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z3)/
    (s123*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (4*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/
    (16*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (2*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (8*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (4*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s134*s14*s23*s34*z23) + (CF*(-CA + 2*CF)*s1234*s24^2*z3)/
    (s23*s234^2*s34*z23) - (CF*(-CA + 2*CF)*D*s1234*s24^2*z3)/
    (4*s23*s234^2*s34*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s23*s234*s34*z23) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z3)/(s134*s23*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z3)/
    (2*s134*s23*s234*s34*z23) - (7*CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s14*s23*s234*s34*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s34*z3)/
    (4*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z3)/
    (16*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z3)/
    (16*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (4*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (4*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/
    (4*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z3)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (4*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/
    (8*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z3)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (4*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/
    (4*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z3)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z3)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s12*s123*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s123*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s12*s123*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s123*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2*z3)/
    (8*s12*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z2*z3)/
    (8*s12*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s12*s123*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (4*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (16*s12*s124*s23*z14*z23) + (9*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s134*s23*z14*z23) - (3*CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s134*s23*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (2*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s14*s23*s234*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (16*s12*s123*s23*z14*z23) - (5*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (8*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s12*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/
    (32*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s134*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s134*s34*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s134*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (4*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (4*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z2*z3)/
    (32*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*s34*z2*z3)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z2*z3)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34^2*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (8*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (16*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (16*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (16*s134*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z3^2)/
    (32*s134*s14*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (4*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z3^2)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/
    (32*s14*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z3^2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1)/
    (4*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z1)/(16*s124*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*s23*z1)/(4*s12*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s12*s134*s14*z34) - 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s234*z34) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s12*s234*z34) + (7*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s14*z34) - (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s14*z34) + (5*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s134*s14*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s124*s134*s14*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s124*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s123*s134*s23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s14*s23*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s124*s14*s234*z34) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s123*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s124*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s134*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s124*s134*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s124*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s134*s14*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s124*s134*s14*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (2*s124*s134*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z1)/(s123*s134*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z1)/
    (16*s12*s123*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z1)/(s123*s134*s23*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z1)/(16*s12*s124*s14*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(16*s12*s124*s14*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s123*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s234*s34*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z1)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z1)/
    (2*s124*s14*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (16*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s123*s23*s34*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z1)/
    (2*s124*s14*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s23*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s123*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s14*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s14*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1^2)/(4*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/(16*s12*s124*s14*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/(8*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/(16*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1^2)/(8*s12*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1^2)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1^2)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/(32*s12*s124*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/(32*s12*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1^2)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1^2)/(32*s12*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1^2)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/(32*s12*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z1^2)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s12*s123*z34) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s12*s123*z34) - (5*CA*(CA - 2*CF)*s1234*z2)/(16*s12*s124*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s124*z34) - 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s12*s134*z34) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s12*s134*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     z2)/(s124*s134*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*z2)/(2*s124*s134*z34) - (CA*(CA - 2*CF)*s1234*z2)/
    (8*s124*s14*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s124*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s14*z34) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s134*s14*z34) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s123*s23*z34) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s134*s23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s134*s23*z34) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s14*s23*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (8*s12*s123*s23*z34) - (3*CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s123*s23*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2)/(s123*s134*s23*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (2*s123*s134*s23*z34) + (CA*(CA - 2*CF)*s1234*s23*z2)/
    (16*s12*s124*s14*z34) - (CF*(-CA + 2*CF)*s1234*z2)/(s234^2*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*z2)/(4*s234^2*z34) + (7*CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s234*z34) - (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s234*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(2*s123*s234*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s124*s234*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(2*s124*s234*z34) + 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s14*s234*z34) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s14*s234*z34) - (3*CA*(CA - 2*CF)*s1234*z2)/(16*s23*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s23*s234*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(2*s12*s23*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(8*s12*s23*s234*z34) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s134*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s134*s23*s234*z34) + (5*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s23*s234*z34) - (3*CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s123*s23*s234*z34) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s134*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(s134*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s12*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s123*s23*z34) - (CF*(-CA + 2*CF)*s1234*s24*z2)/(s23*s234^2*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*s24*z2)/(4*s23*s234^2*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s24*z2)/(16*s12*s23*s234*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z2)/(32*s12*s23*s234*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2)/
    (s123*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z2)/(2*s123*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s134*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s124*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (2*s124*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s123*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s134*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2)/(s124*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (2*s124*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (16*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s134*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s134*s23*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*z2)/(s123*s134*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s14^2*z2)/
    (16*s12*s123*s23*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s14^2*z2)/(s123*s134*s23*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z2)/(16*s12*s124*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2)/(16*s12*s124*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s123*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z2)/
    (s124*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z2)/(2*s124*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s12*s124*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/
    (32*s12*s123*s23*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s124*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z2)/
    (2*s124*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s23*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*s24*z2)/
    (16*s12*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/
    (32*s12*s23*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z2)/(s123*s23*s234*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s124*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s124*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s134*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s134*s14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s123*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s123*s23*z34) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s123*s134*s23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s123*s134*s23*z34) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s134*s14*s23*z34) - (CF*(-CA + 2*CF)*s1234*s34*z2)/(s23*s234^2*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*s34*z2)/(4*s23*s234^2*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s23*s234*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s23*s234*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s123*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s123*s23*s234*z34) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s134*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(s134*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s123*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s124*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s12*s124*z12*z34) + (9*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s134*z12*z34) - (3*CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s12*s134*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s134*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s23*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s124*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s12*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s12*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (4*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (4*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (4*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s124*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s134*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (16*s12*s123*s23*z12*z34) - (5*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14^2*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z2)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (32*s12*s23*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*s24*z1*z2)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z2)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/
    (32*s12*s123*s23*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (2*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s12*s123*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (32*s12*s123*z12*z34) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s12*s124*z12*z34) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (4*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (16*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s12*s123*s23*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (8*s12*s123*s23*z12*z34) - (3*CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (32*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2^2)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s12*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (32*s12*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (16*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s12*s23*s234*z12*z34) + (7*CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s23*s234*z12*z34) - (3*CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (32*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (8*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/
    (32*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14^2*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14^2*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2^2)/
    (16*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (32*s12*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14^2*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14^2*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*s24*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s134*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s134*s14*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s23*z34) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s134*s23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s123*s134*s23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s14*s23*z34) + (CF*(-CA + 2*CF)*s1234*s24*z3)/(s23*s234^2*z34) - 
   (CF*(-CA + 2*CF)*D*s1234*s24*z3)/(4*s23*s234^2*z34) - 
   (7*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s23*s234*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s23*s234*z34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s123*s23*s234*z34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s134*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(s134*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*z3)/(4*s124*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s124*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z3)/(4*s12*s134*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z3)/(16*s12*s134*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(4*s12*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s12*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s123*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s12*s124*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s124*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s134*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s134*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s124*s14*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s12*s124*s14*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s12*s124*s14*s34*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s12*s134*s14*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s12*s134*s14*s34*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s12*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(16*s12*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s134*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s134*s23*s34*z34) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s123*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z3)/(2*s123*s134*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s134*s14*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s134*s14*s23*s34*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s14*s24*z3)/(16*s12*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/(16*s12*s123*s23*s34*z34) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z3)/
    (s123*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s24*z3)/(2*s123*s134*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z3)/(16*s12*s124*s14*s34*z34) + 
   (CF*(-CA + 2*CF)*s1234*s24*z3)/(s234^2*s34*z34) - 
   (CF*(-CA + 2*CF)*D*s1234*s24*z3)/(4*s234^2*s34*z34) - 
   (7*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s234*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s234*s34*z34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s123*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (2*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (8*s12*s23*s234*s34*z34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s134*s23*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z3)/
    (s134*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (4*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/
    (16*s12*s23*s234*s34*z34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z3)/(s134*s23*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z3)/
    (s134*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (4*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s123*s23*s34*z34) + (CF*(-CA + 2*CF)*s1234*s24^2*z3)/
    (s23*s234^2*s34*z34) - (CF*(-CA + 2*CF)*D*s1234*s24^2*z3)/
    (4*s23*s234^2*s34*z34) - (7*CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s23*s234*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s23*s234*s34*z34) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z3)/(s123*s23*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z3)/
    (2*s123*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s14*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s14*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s134*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (4*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (4*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/
    (4*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z3)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z3)/
    (32*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/
    (4*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z3)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z3)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (4*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (4*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s23*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s12*s123*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s12*s123*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s12*s134*z12*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s134*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s123*s23*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s12*s123*s23*z12*z34) + (9*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s123*s23*z12*z34) - (3*CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s12*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s12*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s12*s23*s234*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s12*s23*s234*z12*z34) - (3*CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (32*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s134*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s134*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s134*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z3)/
    (32*s12*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14^2*z2*z3)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z3)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14^2*z2*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (4*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (16*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z2*z3)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (16*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s14*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s14*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s123*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s123*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s134*s14*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s14*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s23*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s14*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s12*s123*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s123*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s134*s14*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s12*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s14*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s14*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s123*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s134*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (16*s12*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (16*s12*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s134*s14*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s12*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s14*s23*s234*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (8*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (16*s12*s134*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (8*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (16*s123*s23*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/
    (32*s12*s123*s23*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z3^2)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z3^2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (8*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (32*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (4*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (16*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z3^2)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (16*s12*s134*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s134*s14*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s12*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s14*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s12*s123*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (16*s12*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s134*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (16*s134*s14*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s12*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s14*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (16*s12*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (16*s14*s23*s234*s34*z23*z34) - (CF*(-CA + 2*CF)*s1234*z4)/(s124^2*z12) + 
   (CF*(-CA + 2*CF)*D*s1234*z4)/(4*s124^2*z12) - (CA*(CA - 2*CF)*s1234*z4)/
    (16*s12*s124*z12) + (CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s124*z12) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s124*s134*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z4)/(2*s124*s134*z12) - 
   (CF*(-CA + 2*CF)*s12*s1234*z4)/(s124^2*s14*z12) + 
   (CF*(-CA + 2*CF)*D*s12*s1234*z4)/(4*s124^2*s14*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s14*z12) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s124*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(s123*s124*s14*z12) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s123*s14*z12) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s123*s124*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (s123*s124*s14*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z4)/
    (2*s123*s134*s14*z12) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s124*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*z4)/
    (2*s124*s134*s14*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s123*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*z4)/(16*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s23*z12) - 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s123*s14*s23*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s123*s14*z12) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s123*s124*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (s123*s124*s14*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z4)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (2*s123*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z4)/(s124*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z4)/
    (s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s23^2*z4)/(s12*s123*s134*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z4)/
    (2*s123*s234*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     z4)/(s124*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     z4)/(2*s124*s234*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s12*s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s12*s123*s234*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z4)/(s12*s124*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z4)/
    (2*s12*s124*s234*z12) - (CA*(CA - 2*CF)*s1234*z4)/(8*s23*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s12*s123*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s12*s123*s234*z12) - (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (s124^2*s14*z12) + (CF*(-CA + 2*CF)*D*s1234*s24*z4)/(4*s124^2*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(16*s12*s124*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s12*s124*s14*z12) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z4)/
    (s124*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z4)/(2*s124*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s124*s14*s23*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*s24*z4)/(s12*s124*s134*s14*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z4)/
    (s12*s124*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z4)/(2*s12*s124*s234*z12) - (CA*(CA - 2*CF)*s1234*z4)/
    (4*s123*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z4)/(16*s123*s34*z12) + 
   (7*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s134*s34*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s134*s34*z12) + (7*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s124*s14*s34*z12) - (3*CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s124*s14*s34*z12) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (2*s124*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (8*s124*s14*s34*z12) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s14*s34*z12) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s14*s34*z12) + (5*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s134*s14*s34*z12) + (CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s123*s23*s34*z12) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s123*s23*s34*z12) + (5*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s23*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s123*s23*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s123*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s123*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s124*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s124*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s134*s34*z12) + (5*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s124*s14*s34*z12) - (3*CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s124*s14*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (8*s134*s14*s34*z12) - (3*CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s134*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (16*s12*s134*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s23^2*z4)/
    (16*s12*s134*s14*s34*z12) - (5*CA*(CA - 2*CF)*s1234*z4)/
    (16*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z4)/(16*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z4)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z4)/(16*s12*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z4)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s234*s34*z12) + 
   (7*CA*(CA - 2*CF)*s1234*s24*z4)/(16*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(4*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z4)/(16*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/(32*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/(32*s12*s134*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z4)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(16*s23*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s12*s123*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s123*z14) + 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s12*s124*z14) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s12*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*z4)/
    (s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z4)/
    (2*s123*s124*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z4)/
    (s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*z4)/
    (2*s123*s134*z14) + (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s124*s14*z14) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*
     z4)/(s123*s124*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*z4)/(2*s123*s124*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s123*s14*z14) - (CA*(CA - 2*CF)*s1234*z4)/(8*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s134*s14*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s123*s134*s14*z14) + (5*CA*(CA - 2*CF)*s1234*z4)/
    (16*s123*s23*z14) - (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s124*s23*z14) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s124*s23*z14) + (CA*(CA - 2*CF)*s12*s1234*z4)/(4*s123*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s134*s14*s23*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s12*s123*s124*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z4)/(s12*s123*s134*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s123*s124*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*z4)/(s12*s123*s134*s14*z14) - (3*CA*(CA - 2*CF)*s1234*z4)/
    (8*s14*s234*z14) + (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s14*s234*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s14*s23*s234*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s134*s14*s234*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s134*s14*s234*z14) + (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (2*s12*s124^2*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s12*s124*s134*z14) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s12*s123*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s123*s14*z14) + (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (2*s124^2*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s12*s124*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s123*s124*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24*z4)/(2*s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s12*s134*s14*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z4)/(s12*s124*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s12*s124*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (4*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s134*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s134*s14*s23*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*s24*z4)/(s12*s123*s124*s14*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z4)/
    (s134*s14*s234*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s14*s23*s234*z14) + (CF*(-CA + 2*CF)*s1234*s24^2*z4)/
    (2*s12*s124^2*s14*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z4)/
    (4*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*z4)/(16*s124*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s134*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4)/(16*s134*s14*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/(32*s134*s14*s23*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s124*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s124*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s134*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s124*s14*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z4)/(16*s12*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/(32*s12*s134*s14*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s234*s34*z14) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s14*s234*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s14*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s14*s234*s34*z14) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s12^2*s1234*z4)/(16*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4)/(8*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/(32*s14*s23*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s124*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s124*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s134*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s134*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z4)/
    (s124*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s23*z4)/(2*s124*s14*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z4)/
    (s134*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s23*z4)/(2*s134*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(4*s12*s124*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(4*s12*s134*s34*z14) - 
   (5*CA*(CA - 2*CF)*s1234*s24*z4)/(16*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(4*s12*s134*s14*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s134*s14*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s134*s14*s23*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z4)/(16*s12*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/(32*s12*s124*s14*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z4)/
    (s124*s234*s34*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s134*s234*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s14*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s14*s234*s34*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z4)/(s124*s14*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z4)/
    (s134*s14*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s23*s234*s34*z14) - (5*CA*(CA - 2*CF)*s12*s1234*s24*z4)/
    (16*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (2*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s14*s23*s234*s34*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z4)/(s124*s14*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z4)/
    (2*s124*s14*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z4)/
    (4*s12*s124*s14*s34*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z4)/(s124*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z4)/(4*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z4)/(16*s12*s123*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z4)/
    (s123*s134*s14*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z4)/(2*s123*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s34*z4)/
    (16*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s34*z4)/
    (8*s124*s14*s23*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*s34*z4)/(s12*s123*s134*s14*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z4)/
    (s12*s124*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z4)/
    (8*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s12*s124*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (16*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (16*s12*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*z4)/
    (8*s12*s124*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/
    (s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z4)/
    (2*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*z4)/(4*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s123*s14*z23) - 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s124*s14*z23) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s124*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s134*s14*z23) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s134*s14*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z4)/
    (2*s123*s124*s23*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s123*s124*s23*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (8*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s124*s14*s23*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s123*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s123*s14*z23) + (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s124*s14*z23) - (CF*(-CA + 2*CF)*s1234*z4)/(s234^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*z4)/(4*s234^2*z23) + (CA*(CA - 2*CF)*s1234*z4)/
    (16*s12*s234*z23) - (CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s234*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s124*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z4)/(2*s124*s234*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s134*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z4)/(2*s134*s234*z23) + 
   (7*CA*(CA - 2*CF)*s1234*z4)/(16*s14*s234*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s14*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*
     z4)/(s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s12*s124*s14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s124*s14*s23*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s124*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (2*s124*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s123*s34*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s123*s134*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z4)/
    (2*s123*s134*s34*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s123*s134*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s123*s134*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (8*s134*s14*s34*z23) - (3*CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s14*s34*z23) + (5*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s123*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s123*s23*s34*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12^2*
     s1234*z4)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z4)/
    (s123*s134*s23*s34*z23) - (CA*(CA - 2*CF)*s12^2*s1234*z4)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s123*s34*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s123*s134*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (2*s123*s134*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s134*s14*s34*z23) - (CF*(-CA + 2*CF)*s1234*s23*z4)/(s234^2*s34*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s23*z4)/(4*s234^2*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s234*s34*z23) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(s123*s234*s34*z23) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(s123*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*z4)/(s134*s234*s34*z23) + (5*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s14*s234*s34*z23) - (3*CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (2*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (8*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s234*s34*z23) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s123*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (s123*s234*s34*z23) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z4)/(s134*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s23*z4)/(2*s134*s234*s34*z23) + (7*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s14*s234*s34*z23) - (3*CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/
    (32*s134*s14*s23*s34*z23) - (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (s234^2*s34*z23) + (CF*(-CA + 2*CF)*D*s1234*s24*z4)/(4*s234^2*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(16*s12*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s12*s234*s34*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z4)/
    (s134*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z4)/(2*s134*s234*s34*z23) + (7*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s14*s234*s34*z23) - (3*CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s23*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z4)/(s134*s23*s234*s34*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z4)/(16*s14*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/(32*s14*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z4)/(16*s12*s124*s14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z4)/(16*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z4)/(16*s124*s14*s23*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z4)/
    (s124*s23*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z4)/(2*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s12*s123*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s12*s123*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s12*s124*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s12*s124*z14*z23) + (9*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s134*s14*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (4*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s14*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s14*s234*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s12*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s134*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s134*s34*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s12^2*s1234*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (4*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (16*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (4*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (16*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (2*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (8*s14*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (5*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (8*s14*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*s24*z1*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z4)/
    (32*s14*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s12*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s12*s124*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s124*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s124*s14*s23*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s12*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (16*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s12*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s124*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s12*s124*s14*s23*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s12*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (16*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (16*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s12*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (4*s12*s123*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s12*s123*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (2*s12*s124*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s12*s124*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s123*s14*z14*z23) - (5*CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (2*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (8*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s134*s23*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s134*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (4*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s134*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s14*s234*z14*z23) - (5*CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s23*s234*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (4*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (4*s134*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s134*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (2*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (8*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/
    (4*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z4)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (4*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (2*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s14*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12^2*s1234*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (4*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s14*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (4*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z2*z4)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34^2*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (4*s12*s124*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (8*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (4*s124*s14*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (8*s12*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (8*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (8*s12*s124*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2*z4)/
    (8*s123*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2*z4)/
    (8*s124*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (4*s123*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (8*s124*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z4)/
    (8*s12*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/
    (4*s12*s123*s14*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (8*s12*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (4*s12*s124*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (8*s12*s124*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (8*s123*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (4*s124*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/
    (8*s12*s123*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/(8*s12*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z4)/(8*s12*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(8*s12*s123*s14*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(8*s12*s124*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(8*s123*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(8*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2*z4)/(8*s12*s123*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2*z4)/(8*s12*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s12*s123*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s123*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s134*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(32*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s14*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s14*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(32*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(16*s12*s124*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s134*s34*z14*z23) + 
   (9*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s14*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(32*s134*s14*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s134*s14*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3*z4)/(32*s134*s14*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3*z4)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s14*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(32*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3*z4)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3*z4)/(32*s14*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(4*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(16*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(16*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(32*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/(32*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(16*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(16*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z3*z4)/(16*s12*s124*s14*s23*z14*z23) + 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s12*s123*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s123*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s123*s134*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*z4)/
    (2*s123*s134*z34) - (3*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s134*s14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s124*s134*s14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z4)/
    (2*s124*s134*s14*z34) + (3*CA*(CA - 2*CF)*s1234*z4)/(16*s123*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s134*s23*z34) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s14*s23*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s134*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*z4)/(16*s12*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*z4)/(s123*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z4)/(2*s123*s234*z34) - 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s14*s234*z34) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s14*s234*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s124*s14*s234*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*z4)/
    (2*s124*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*z4)/(16*s23*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s23*s234*z34) - (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s12*s124*s14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s124*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s134*s14*s23*z34) + (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (2*s23*s234^2*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s124*s14*s234*z34) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s12*s23*s234*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s134*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(8*s124*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s134*s34*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s124*s134*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s124*s134*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s134*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s123*s134*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s124*s14*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z4)/(s124*s134*s14*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z4)/
    (2*s124*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*z4)/
    (16*s12*s123*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z4)/(s123*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z4)/
    (2*s123*s134*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s23*s34*z34) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s23*s34*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z4)/(s123*s134*s23*s34*z34) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z4)/(16*s134*s14*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/(32*s134*s14*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z4)/(16*s123*s23*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z4)/
    (s123*s134*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (4*s12*s123*s34*z34) - (3*CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s134*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (8*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/
    (32*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (16*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/
    (32*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s23^2*z4)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*z4)/(16*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s234*s34*z34) - (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z4)/
    (8*s12*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*z4)/(s123*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s23*z4)/(2*s123*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s14*s234*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s23*z4)/(s124*s14*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s23*z4)/
    (2*s124*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s12*s123*s34*z34) - (3*CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s123*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s12*s124*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s12*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s12*s134*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s124*s134*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (2*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s12*s134*s14*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s124*s134*s14*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(4*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s12*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(4*s134*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(4*s134*s14*s23*s34*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s23*s24*z4)/(16*s12*s124*s14*s34*z34) + 
   (CF*(-CA + 2*CF)*s1234*s24*z4)/(2*s234^2*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z4)/(16*s12*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s12*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z4)/
    (s123*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z4)/(2*s123*s234*s34*z34) - (5*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s14*s234*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z4)/(s124*s14*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z4)/
    (2*s124*s14*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s23*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z4)/(s123*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(4*s12*s23*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z4)/
    (s134*s23*s234*s34*z34) - (3*CA*(CA - 2*CF)*s12*s1234*s24*z4)/
    (16*s14*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/
    (32*s14*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z4)/
    (8*s12*s23*s234*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z4)/(s134*s23*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z4)/
    (s124*s14*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z4)/
    (4*s12*s124*s14*s34*z34) + (CF*(-CA + 2*CF)*s1234*s24^2*z4)/
    (2*s23*s234^2*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z4)/(s124*s14*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z4)/(4*s12*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z4)/(4*s14*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(4*s12*s123*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(4*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(16*s124*s14*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z4)/(8*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(16*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(16*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(4*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(16*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(16*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(32*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s12*s123*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z4)/(16*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(32*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z4)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z4)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(32*s12*s124*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(32*s12*s134*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(32*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(8*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z4)/(32*s12*s124*s14*s34*z12*z34) + 
   (9*CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(32*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/(8*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z1*z4)/(32*s12*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z1*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/(32*s12*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s134*s14*s23*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s14*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s14*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z1*z4)/(8*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s14*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s12*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s134*s14*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s14*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1*z4)/(8*s14*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/(16*s12*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/(16*s14*s23*s234*s34*z14*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z2*z4)/(16*s12*s124*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2*z4)/(32*s12*s124*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z4)/(8*s12*s134*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2*z4)/(32*s12*s134*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(2*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s124*s14*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(4*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(4*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(2*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(8*s12*s123*s23*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z2*z4)/(16*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/(32*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(8*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/(32*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s12*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(2*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s12*s23*s234*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(8*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s23*s234*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z4)/(8*s123*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2*z4)/(32*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s124*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s123*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s124*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s134*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(2*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(8*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(4*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(8*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(4*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/(4*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z4)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(8*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/(32*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/(32*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/(4*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z2*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z2*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z2*z4)/(16*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2*z4)/(32*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s12*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14^2*z2*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(8*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(4*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(4*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z2*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s12*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s12*s124*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s124*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s134*s14*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s14*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s124*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s14*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s124*s34*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s12*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s14*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s14*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z2*z4)/(16*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z4)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z2*z4)/(16*s14*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z4)/(4*s12*s124*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z2*z4)/(8*s12*s134*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z4)/(4*s124*s14*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(8*s12*s134*s14*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/(8*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(4*s12*s124*s14*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(8*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z4)/(8*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(8*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(4*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(8*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z4)/(8*s12*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z4)/(8*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z4)/(8*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/(8*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/(8*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/(8*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z2*z4)/(8*s12*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(4*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(8*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(8*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/(8*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/(8*s12*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z2*z4)/(8*s12*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z4)/(8*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(4*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s23*s234*z12*z34) + 
   (9*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s123*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s124*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(2*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(8*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(4*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(32*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(32*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(32*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(4*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(16*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z3*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z3*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(32*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(32*s12*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s12*s123*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s12*s134*s34*z12*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(8*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(32*s12*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z3*z4)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z3*z4)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z3*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z3*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(4*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z3*z4)/(8*s12*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z3*z4)/(8*s12*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s14*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(16*s12*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(16*s14*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s14*s23*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s12*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s14*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s14*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s14*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(16*s134*s14*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s12*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s12*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s14*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(16*s14*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(8*s12*s234*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(4*s23*s234*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s12*s23*s234*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/(8*s12*s23*s234*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s12*s23*s234*z12*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z3*z4)/(8*s123*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(4*s12*s123*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/(8*s12*s123*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(4*s123*s23*s34*z12*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s123*s23*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3*z4)/(8*s12*s123*s23*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/(8*s123*s23*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3*z4)/(8*s12*s123*s23*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3*z4)/(8*s12*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(4*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s12*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/(8*s12*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3*z4)/(8*s12*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s12*s123*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s123*s23*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/(8*s12*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(4*s12*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(4*s23*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/(8*s12*s23*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3*z4)/(8*s12*s23*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3*z4)/(8*s12*s23*s234*s34*z12*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z3*z4)/(8*s134*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(8*s134*s14*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(4*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(8*s14*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(4*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(8*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(4*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(8*s134*s23*s34*z14*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s134*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z2*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/(4*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(4*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(8*s14*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s134*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s14*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(4*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z2*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3*z4)/(8*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3*z4)/(8*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s12*s124*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s134*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(32*s134*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(32*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s14*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(32*s14*s234*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(32*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(4*s134*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(16*s134*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s134*s14*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(32*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12^2*s1234*z4^2)/(8*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z4^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(8*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(16*s234*s34*z14*z23) + 
   (7*CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s14*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(32*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s14*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12^2*s1234*z4^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z4^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(8*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(32*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z4^2)/(8*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z4^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(32*s14*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z4^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z4^2)/(32*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z4^2)/(16*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z4^2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(16*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(4*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(16*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(32*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(32*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(32*s12*s134*s34*z12*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(32*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4^2)/(32*s12*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(32*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4^2)/(32*s12*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23^2*z4^2)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z4^2)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z4^2)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z4^2)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z4^2)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z4^2)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(32*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(8*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(32*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z4^2)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4^2)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z4^2)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4^2)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s134*s14*s23*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s14*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(16*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(16*s12*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z4^2)/(16*s12*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s14*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z4^2)/(16*s14*s23*s234*s34*z14*z34)) + 
 k3k1*((-5*CA*(CA - 2*CF)*s1234)/(4*s12*s123) + (7*CA*(CA - 2*CF)*D*s1234)/
    (16*s12*s123) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s12*s123) + 
   (2*CF*(-CA + 2*CF)*s1234)/s124^2 - (3*CF*(-CA + 2*CF)*D*s1234)/
    (2*s124^2) + (CF*(-CA + 2*CF)*D^2*s1234)/(4*s124^2) - 
   (CA*(CA - 2*CF)*D*s1234)/(8*s12*s124) + (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s12*s124) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s123*s124) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s123*s124) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234)/
    (2*s123*s124) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s124*s134) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s124*s134) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234)/
    (2*s124*s134) - (CA*(CA - 2*CF)*D*s1234)/(8*s124*s14) + 
   (CA*(CA - 2*CF)*D^2*s1234)/(32*s124*s14) - (5*CA*(CA - 2*CF)*s1234)/
    (4*s134*s14) + (7*CA*(CA - 2*CF)*D*s1234)/(16*s134*s14) - 
   (CA*(CA - 2*CF)*D^2*s1234)/(32*s134*s14) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s124*s134*s14) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(2*s124*s134*s14) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s12*s123*s124) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s12*s123*s124) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s12*s123*s124) - (5*CA*(CA - 2*CF)*s1234)/(4*s123*s23) + 
   (7*CA*(CA - 2*CF)*D*s1234)/(16*s123*s23) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s123*s23) + (CA*(CA - 2*CF)*s1234)/(4*s124*s23) + 
   (CA*(CA - 2*CF)*D*s1234)/(16*s124*s23) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s124*s23) - (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s123*s134*s23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234)/(s123*s134*s23) - (CA*(CA - 2*CF)*s12*s1234)/(s134*s14*s23) + 
   (3*CA*(CA - 2*CF)*D*s12*s1234)/(8*s134*s14*s23) - 
   (CA*(CA - 2*CF)*D^2*s12*s1234)/(32*s134*s14*s23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s124*s23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/(s123*s124*s23) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s12*s123*s134) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s12*s123*s134) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/
    (s12*s124*s134) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s12*s124*s134) - (CA*(CA - 2*CF)*s1234*s23)/(4*s12*s134*s14) + 
   (CA*(CA - 2*CF)*D*s1234*s23)/(16*s12*s134*s14) + 
   (2*CF*(-CA + 2*CF)*s1234)/s234^2 - (3*CF*(-CA + 2*CF)*D*s1234)/
    (2*s234^2) + (CF*(-CA + 2*CF)*D^2*s1234)/(4*s234^2) + 
   (CA*(CA - 2*CF)*s1234)/(4*s12*s234) + (CA*(CA - 2*CF)*D*s1234)/
    (16*s12*s234) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s12*s234) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/(s123*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/(s123*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234)/(2*s123*s234) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/(s134*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/(s134*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234)/(2*s134*s234) + 
   (CA*(CA - 2*CF)*s1234)/(4*s14*s234) + (CA*(CA - 2*CF)*D*s1234)/
    (16*s14*s234) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s14*s234) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s124*s14*s234) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s124*s14*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s134*s14*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s134*s14*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/
    (s12*s123*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s12*s123*s234) - (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14)/
    (s12*s124*s234) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14)/(s12*s124*s234) - (CA*(CA - 2*CF)*D*s1234)/(8*s23*s234) + 
   (CA*(CA - 2*CF)*D^2*s1234)/(32*s23*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s134*s23*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/(s134*s23*s234) - 
   (CA*(CA - 2*CF)*s12*s1234)/(4*s14*s23*s234) + (CA*(CA - 2*CF)*D*s12*s1234)/
    (16*s14*s23*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23)/(s134*s14*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23)/(s134*s14*s234) + (CF*(-CA + 2*CF)*s1234*s24)/(s12*s124^2) - 
   (3*CF*(-CA + 2*CF)*D*s1234*s24)/(4*s12*s124^2) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s24)/(8*s12*s124^2) + 
   (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s12*s123*s124) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s12*s123*s124) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s12*s123*s124) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s12*s123*s134) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s12*s123*s134) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s12*s123*s134) + (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s12*s124*s134) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s12*s124*s134) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s12*s124*s134) + (CA*(CA - 2*CF)*s1234*s24)/(4*s12*s123*s14) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(4*s12*s123*s14) + 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(32*s12*s123*s14) + 
   (CF*(-CA + 2*CF)*s1234*s24)/(s124^2*s14) - (3*CF*(-CA + 2*CF)*D*s1234*s24)/
    (4*s124^2*s14) + (CF*(-CA + 2*CF)*D^2*s1234*s24)/(8*s124^2*s14) + 
   (5*CA*(CA - 2*CF)*s1234*s24)/(4*s12*s124*s14) - 
   (5*CA*(CA - 2*CF)*D*s1234*s24)/(8*s12*s124*s14) + 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(16*s12*s124*s14) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s124*s14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s123*s124*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s123*s124*s14) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s124*s14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s124*s14) + (CA*(CA - 2*CF)*s1234*s24)/(4*s12*s134*s14) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(4*s12*s134*s14) + 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(32*s12*s134*s14) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s134*s14) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s123*s134*s14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s123*s134*s14) + (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s124*s134*s14) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s124*s134*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s124*s134*s14) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s134*s14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s134*s14) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s12*s124*s134*s14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s124*s134*s14) + (CA*(CA - 2*CF)*s1234*s24)/(8*s12*s124*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s124*s23) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s124*s23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s123*s124*s23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s123*s124*s23) + (16*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s124*s23) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s124*s23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s24)/(2*s12*s123*s124*s23) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s134*s23) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s123*s134*s23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s123*s134*s23) + (CA*(CA - 2*CF)*s1234*s24)/(2*s123*s14*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s123*s14*s23) + 
   (7*CA*(CA - 2*CF)*s1234*s24)/(8*s124*s14*s23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24)/(16*s124*s14*s23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24)/(2*s12*s123*s14*s23) - 
   (7*CA*(CA - 2*CF)*D*s1234*s13*s24)/(16*s12*s123*s14*s23) + 
   (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/(32*s12*s123*s14*s23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24)/(2*s12*s124*s14*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24)/(8*s12*s124*s14*s23) + 
   (CA*(CA - 2*CF)*s1234*s24)/(2*s134*s14*s23) - (CA*(CA - 2*CF)*D*s1234*s24)/
    (16*s134*s14*s23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*s24)/(s12*s123*s124*s14) + (CF*(-CA + 2*CF)*s1234*s24)/
    (s23*s234^2) - (3*CF*(-CA + 2*CF)*D*s1234*s24)/(4*s23*s234^2) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s24)/(8*s23*s234^2) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s12*s123*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s12*s123*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s12*s123*s234) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s12*s124*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s12*s124*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s12*s124*s234) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s124*s14*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s124*s14*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s124*s14*s234) + (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s134*s14*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s134*s14*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s134*s14*s234) + (CA*(CA - 2*CF)*s1234*s24)/(8*s12*s23*s234) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s23*s234) + 
   (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s23*s234) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s123*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s123*s23*s234) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s124*s23*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s124*s23*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s124*s23*s234) + (16*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s23*s234) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s24)/(2*s12*s123*s23*s234) + 
   (20*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s124*s23*s234) - (7*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24)/(s12*s124*s23*s234) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24)/
    (2*s12*s124*s23*s234) + (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s134*s23*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s134*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s134*s23*s234) + (7*CA*(CA - 2*CF)*s1234*s24)/(8*s14*s23*s234) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24)/(16*s14*s23*s234) + 
   (2*CF*(-CA + 2*CF)*s1234*s24^2)/(s12*s124^2*s14) - 
   (5*CF*(-CA + 2*CF)*D*s1234*s24^2)/(4*s12*s124^2*s14) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s24^2)/(8*s12*s124^2*s14) + 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24^2)/
    (s12*s123*s124*s14) - (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2)/(s12*s123*s124*s14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s24^2)/
    (2*s12*s123*s124*s14) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2)/(s12*s123*s134*s14) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24^2)/
    (s12*s123*s134*s14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s24^2)/(2*s12*s123*s134*s14) + 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24^2)/
    (s12*s124*s134*s14) - (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2)/(s12*s124*s134*s14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s24^2)/
    (2*s12*s124*s134*s14) + (CA*(CA - 2*CF)*s1234*s24^2)/
    (2*s12*s124*s14*s23) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24^2)/(s12*s124*s23*s234) + (CA*(CA - 2*CF)*s1234)/(4*s124*s34) + 
   (CA*(CA - 2*CF)*D*s1234)/(16*s124*s34) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s124*s34) - (5*CA*(CA - 2*CF)*s1234)/(4*s134*s34) + 
   (7*CA*(CA - 2*CF)*D*s1234)/(16*s134*s34) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s134*s34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s124*s134*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s124*s134*s34) - (CA*(CA - 2*CF)*s1234*s14)/(s12*s123*s34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s14)/(8*s12*s123*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s14)/(32*s12*s123*s34) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s134*s34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s123*s134*s34) - (CA*(CA - 2*CF)*s12*s1234)/(4*s134*s23*s34) + 
   (CA*(CA - 2*CF)*D*s12*s1234)/(16*s134*s23*s34) - 
   (CA*(CA - 2*CF)*s1234*s14)/(4*s123*s23*s34) + (CA*(CA - 2*CF)*D*s1234*s14)/
    (16*s123*s23*s34) - (CA*(CA - 2*CF)*s1234*s23)/(4*s12*s124*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s23)/(16*s12*s124*s34) - 
   (CA*(CA - 2*CF)*s1234*s23)/(s12*s134*s34) + (3*CA*(CA - 2*CF)*D*s1234*s23)/
    (8*s12*s134*s34) - (CA*(CA - 2*CF)*D^2*s1234*s23)/(32*s12*s134*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s124*s134*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/(s124*s134*s34) - 
   (CA*(CA - 2*CF)*D*s1234)/(8*s234*s34) + (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s234*s34) - (CA*(CA - 2*CF)*s1234*s14)/(4*s12*s234*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s14)/(16*s12*s234*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/(s123*s234*s34) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s124*s234*s34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s124*s234*s34) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23)/(s134*s234*s34) + (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23)/(s134*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s23)/(2*s134*s234*s34) + (CA*(CA - 2*CF)*s1234*s24)/
    (2*s12*s123*s34) - (CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s123*s34) + 
   (7*CA*(CA - 2*CF)*s1234*s24)/(8*s12*s124*s34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s124*s34) + 
   (CA*(CA - 2*CF)*s1234*s24)/(2*s12*s134*s34) - (CA*(CA - 2*CF)*D*s1234*s24)/
    (16*s12*s134*s34) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24)/(s123*s134*s34) - (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24)/(s123*s134*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s24)/(2*s123*s134*s34) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s124*s134*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s124*s134*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s124*s134*s34) + (CA*(CA - 2*CF)*s1234*s24)/(8*s124*s14*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s124*s14*s34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24)/(2*s12*s124*s14*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24)/(8*s12*s124*s14*s34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24)/(2*s12*s134*s14*s34) - 
   (7*CA*(CA - 2*CF)*D*s1234*s13*s24)/(16*s12*s134*s14*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/(32*s12*s134*s14*s34) + 
   (16*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s124*s134*s14*s34) - (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24)/(s124*s134*s14*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24)/
    (2*s124*s134*s14*s34) + (CA*(CA - 2*CF)*s1234*s24)/(4*s123*s23*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(4*s123*s23*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(32*s123*s23*s34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24)/(2*s12*s123*s23*s34) - 
   (7*CA*(CA - 2*CF)*D*s1234*s13*s24)/(16*s12*s123*s23*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/(32*s12*s123*s23*s34) + 
   (CA*(CA - 2*CF)*s1234*s24)/(4*s134*s23*s34) - (CA*(CA - 2*CF)*D*s1234*s24)/
    (4*s134*s23*s34) + (CA*(CA - 2*CF)*D^2*s1234*s24)/(32*s134*s23*s34) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s123*s134*s23*s34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24)/(s123*s134*s23*s34) + (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (2*s134*s14*s23*s34) - (7*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s134*s14*s23*s34) + (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s134*s14*s23*s34) + (CA*(CA - 2*CF)*s1234*s23*s24)/
    (8*s12*s124*s14*s34) + (CF*(-CA + 2*CF)*s1234*s24)/(s234^2*s34) - 
   (3*CF*(-CA + 2*CF)*D*s1234*s24)/(4*s234^2*s34) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s24)/(8*s234^2*s34) + 
   (7*CA*(CA - 2*CF)*s1234*s24)/(8*s12*s234*s34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s234*s34) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s234*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s123*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s123*s234*s34) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s124*s234*s34) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s124*s234*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s124*s234*s34) + (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s134*s234*s34) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s134*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s134*s234*s34) + (CA*(CA - 2*CF)*s1234*s24)/(8*s14*s234*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s14*s234*s34) + 
   (20*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s124*s14*s234*s34) - (7*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24)/(s124*s14*s234*s34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24)/
    (2*s124*s14*s234*s34) + (16*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s134*s14*s234*s34) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s134*s14*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s24)/(2*s134*s14*s234*s34) + (5*CA*(CA - 2*CF)*s1234*s24)/
    (4*s23*s234*s34) - (5*CA*(CA - 2*CF)*D*s1234*s24)/(8*s23*s234*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(16*s23*s234*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24)/
    (s123*s23*s234*s34) + (CA*(CA - 2*CF)*s1234*s13*s24)/
    (2*s12*s23*s234*s34) - (CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s12*s23*s234*s34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s123*s23*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s123*s23*s234*s34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s134*s23*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s134*s23*s234*s34) + (CA*(CA - 2*CF)*s12*s1234*s24)/
    (8*s14*s23*s234*s34) + (CA*(CA - 2*CF)*s1234*s13*s24)/
    (2*s14*s23*s234*s34) - (CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s14*s23*s234*s34) + (CA*(CA - 2*CF)*s1234*s14*s24)/
    (8*s12*s23*s234*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*s24)/(s134*s23*s234*s34) + (CA*(CA - 2*CF)*s1234*s24^2)/
    (2*s12*s124*s14*s34) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2)/(s123*s134*s23*s34) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24^2)/
    (s123*s134*s23*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s24^2)/(2*s123*s134*s23*s34) + (2*CF*(-CA + 2*CF)*s1234*s24^2)/
    (s23*s234^2*s34) - (5*CF*(-CA + 2*CF)*D*s1234*s24^2)/(4*s23*s234^2*s34) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s24^2)/(8*s23*s234^2*s34) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24^2)/
    (s124*s14*s234*s34) + (CA*(CA - 2*CF)*s1234*s24^2)/(2*s12*s23*s234*s34) + 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24^2)/
    (s123*s23*s234*s34) - (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2)/(s123*s23*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s24^2)/
    (2*s123*s23*s234*s34) + (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2)/(s134*s23*s234*s34) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24^2)/
    (s134*s23*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s24^2)/(2*s134*s23*s234*s34) + (CA*(CA - 2*CF)*s1234*s24^2)/
    (2*s14*s23*s234*s34) - (CA*(CA - 2*CF)*s1234*s34)/(4*s12*s123*s14) + 
   (CA*(CA - 2*CF)*D*s1234*s34)/(16*s12*s123*s14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s124*s14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/(s123*s124*s14) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s134*s14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s123*s134*s14) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/
    (s123*s124*s23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s123*s124*s23) - (CA*(CA - 2*CF)*s1234*s34)/(s123*s14*s23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s34)/(8*s123*s14*s23) - 
   (CA*(CA - 2*CF)*D^2*s1234*s34)/(32*s123*s14*s23) - 
   (CA*(CA - 2*CF)*s1234*s34)/(4*s124*s14*s23) + (CA*(CA - 2*CF)*D*s1234*s34)/
    (16*s124*s14*s23) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34)/(s12*s123*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s34)/(s12*s123*s234) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s23*s234) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s123*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s123*s23*s234) - (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34)/(s124*s23*s234) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s124*s23*s234) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*
     s34)/(s12*s124*s134*s14) + (CA*(CA - 2*CF)*s1234*s24*s34)/
    (8*s12*s124*s14*s23) - (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s123*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s12*s123*z12) - 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s234*z12) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s12*s234*z12) + (CF*(-CA + 2*CF)*s1234*s24*z1)/(s12*s124^2*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s24*z1)/(4*s12*s124^2*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s14*z12) + (CF*(-CA + 2*CF)*s1234*s24*z1)/(s124^2*s14*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s24*z1)/(4*s124^2*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s124*s14*z12) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s123*s124*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(s123*s124*s14*z12) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s12*s123*s124*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z1)/(s12*s123*s124*s14*z12) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s123*s134*s14*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s124*s134*s14*z12) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s12*s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z1)/(2*s12*s123*s134*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s124*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s124*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s12*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(32*s12*s123*s14*s23*z12) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1)/
    (s12*s123*s124*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s24*z1)/(s12*s123*s124*s14*z12) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1)/
    (s12*s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s24*z1)/(2*s12*s123*s134*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s23*s234*z12) + 
   (CF*(-CA + 2*CF)*s1234*s24^2*z1)/(s12*s124^2*s14*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s24^2*z1)/(4*s12*s124^2*s14*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z1)/
    (s12*s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2*z1)/(2*s12*s124*s134*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s12*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s12*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(4*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z1)/(16*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(4*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s123*s34*z12) - 
   (7*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s124*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s134*s34*z12) - 
   (7*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(2*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(8*s12*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s134*s14*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s123*s23*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(32*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1)/(4*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(16*s12*s124*s14*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s23*s24*z1)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(32*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1)/(16*s12*s23*s234*s34*z12) - 
   (7*CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s12*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(4*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s134*s14*z14) + (CA*(CA - 2*CF)*s12*s1234*z1)/(4*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1)/(16*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s14*s234*z14) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s14*s234*z14) + (CF*(-CA + 2*CF)*s1234*s24*z1)/(s12*s124^2*z14) - 
   (CF*(-CA + 2*CF)*D*s1234*s24*z1)/(4*s12*s124^2*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s12*s123*s124*z14) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s12*s123*s134*z14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s124*s134*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(s12*s124*s134*z14) + (CF*(-CA + 2*CF)*s1234*s24*z1)/
    (s124^2*s14*z14) - (CF*(-CA + 2*CF)*D*s1234*s24*z1)/(4*s124^2*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s124*s14*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s134*s14*z14) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s12*s123*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (2*s12*s123*s134*s14*z14) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s12*s124*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (s12*s124*s134*s14*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s23*z14) - (7*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s23*z14) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s123*s14*s23*z14) - (7*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s124*s14*s23*z14) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s124*s14*s23*z14) - (5*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (16*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (2*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (8*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s134*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s23*s234*z14) + (CF*(-CA + 2*CF)*s1234*s24^2*z1)/
    (s12*s124^2*s14*z14) - (CF*(-CA + 2*CF)*D*s1234*s24^2*z1)/
    (4*s12*s124^2*s14*z14) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s12*s123*s124*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z1)/
    (2*s12*s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (4*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s123*s14*s23*z14) - (7*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s124*s14*s23*z14) + (3*CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s134*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s124*s14*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s134*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s134*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s134*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s23*s34*z14) - (5*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s14*s234*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*s24*z1)/
    (16*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s124*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (4*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s124*s14*s23*z14) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1)/(s12*s123*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (2*s12*s123*s134*s14*z14) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1)/(s12*s124*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (s12*s124*s134*s14*z14) - (5*CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (16*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (4*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (16*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s12*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s12*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s12*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s12*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*z2)/
    (8*s12*s123*z12) - (CA*(CA - 2*CF)*s1234*z2)/(16*s12*s124*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s124*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s134*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s134*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/
    (2*s123*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*z2)/
    (s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/
    (2*s124*s134*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*
     z2)/(s12*s123*s134*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*z2)/(2*s12*s123*s134*z12) + (CA*(CA - 2*CF)*s1234*z2)/
    (16*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s14*z12) + 
   (3*CA*(CA - 2*CF)*s1234*z2)/(16*s134*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s14*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s12*s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(2*s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*z2)/
    (8*s123*s23*z12) - (CA*(CA - 2*CF)*D*s1234*z2)/(16*s123*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s124*s23*z12) - (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s124*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s124*s23*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z2)/
    (s12*s123*s134*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z2)/(2*s12*s123*s134*z12) + (CA*(CA - 2*CF)*s1234*s23*z2)/
    (16*s12*s134*s14*z12) - (3*CA*(CA - 2*CF)*s1234*z2)/(8*s12*s234*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s234*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z2)/(16*s23*s234*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s23*s234*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s23*s234*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s23*s234*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s23*s234*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s23*s234*z12) + 
   (CF*(-CA + 2*CF)*s1234*s24*z2)/(2*s12*s124^2*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z2)/
    (s12*s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z2)/(2*s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s12*s123*s14*z12) + (CF*(-CA + 2*CF)*s1234*s24*z2)/
    (2*s124^2*s14*z12) + (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s124*s14*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s123*s124*s14*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2)/
    (s12*s123*s124*s14*z12) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s12*s134*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s134*s14*z12) - (5*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s124*s23*z12) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s123*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s124*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (4*s12*s123*s14*s23*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z2)/(s12*s123*s124*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2)/
    (s12*s123*s234*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s23*s234*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s12*s23*s234*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s123*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2)/
    (s124*s23*s234*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z2)/(s12*s123*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z2)/
    (s12*s124*s23*s234*z12) + (CF*(-CA + 2*CF)*s1234*s24^2*z2)/
    (2*s12*s124^2*s14*z12) - (CA*(CA - 2*CF)*s1234*s24^2*z2)/
    (4*s12*s124*s14*s23*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z2)/(s12*s124*s23*s234*z12) + (CA*(CA - 2*CF)*s1234*z2)/
    (16*s124*s34*z12) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*z2)/(16*s134*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(4*s12*s134*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2)/(16*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/(32*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(8*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2)/(8*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/(32*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14^2*z2)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(4*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(32*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(4*s12*s134*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z2)/(32*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(4*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(4*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s12*s134*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z2)/(8*s12*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(4*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(2*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s12*s23*s234*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s14*s24*z2)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z2)/(4*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z2)/(4*s12*s23*s234*s34*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s12*s124*s134*z12) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s123*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z2)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s124*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s34*z2)/(s12*s123*s134*s14*z12) - (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s124*s23*z12) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s123*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s123*s14*s23*z12) - (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s124*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s124*s14*s23*z12) + (3*CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (16*s12*s123*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/
    (32*s12*s123*s14*s23*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s34*z2)/(s12*s123*s134*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s12*s123*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s12*s123*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s123*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s124*s23*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s12*s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34*z2)/(2*s12*s123*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z2)/
    (s12*s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s34*z2)/(2*s12*s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z2)/
    (s12*s124*s134*s14*z12) - (3*CA*(CA - 2*CF)*s1234*s24*s34*z2)/
    (16*s12*s124*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/
    (32*s12*s124*s14*s23*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z2)/(s12*s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z2)/
    (2*s12*s124*s23*s234*z12) - (CF*(-CA + 2*CF)*s1234*z2)/(s124^2*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*z2)/(4*s124^2*z14) - (3*CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s124*z14) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s124*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s124*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(2*s123*s124*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s12*s123*s134*z14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s124*s134*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s12*s124*s134*z14) - (CA*(CA - 2*CF)*s1234*z2)/
    (16*s124*s14*z14) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s134*s14*z14) - 
   (CF*(-CA + 2*CF)*s1234*s14*z2)/(s12*s124^2*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s14*z2)/(4*s12*s124^2*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s12*s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(2*s12*s123*s124*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s12*s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(2*s12*s123*s134*z14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s12*s124*s134*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(s12*s124*s134*z14) + (CA*(CA - 2*CF)*s1234*z2)/
    (4*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s123*s23*z14) + 
   (7*CA*(CA - 2*CF)*s1234*z2)/(16*s124*s23*z14) - 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s23*z14) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(2*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(8*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s134*s23*z14) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s134*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s123*s23*z14) + (7*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s124*s23*z14) - (3*CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s124*s23*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*z2)/(s124*s234*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*z2)/(2*s124*s234*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s134*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/
    (2*s134*s234*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z2)/(s124*s14*s234*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*z2)/
    (2*s124*s14*s234*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s134*s14*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (2*s134*s14*s234*z14) - (5*CA*(CA - 2*CF)*s1234*z2)/(16*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s23*s234*z14) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z2)/(16*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z2)/(16*s14*s23*s234*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s14*s23*s234*z14) - 
   (CF*(-CA + 2*CF)*s1234*s24*z2)/(s12*s124^2*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s24*z2)/(4*s12*s124^2*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2)/
    (s12*s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z2)/(2*s12*s123*s124*z14) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s12*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s123*s23*z14) + (7*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s23*z14) - (3*CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s124*s23*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s124*s14*s234*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z2)/
    (2*s124*s14*s234*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s14*s23*s234*z14) + (CA*(CA - 2*CF)*s1234*z2)/(16*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s134*s34*z14) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s134*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s134*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s134*s23*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*z2)/(8*s234*s34*z14) + (CA*(CA - 2*CF)*s12*s1234*z2)/
    (16*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s23*s234*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s124*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s23*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z2)/(s12*s123*s124*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s12*s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s12*s123*s134*z14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s12*s124*s134*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(s12*s124*s134*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s134*s14*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s34*z2)/(s12*s123*s134*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s12*s123*s23*z14) - (3*CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s123*s23*z14) + (5*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s124*s23*z14) - (3*CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s124*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (16*s12*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s134*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s134*s14*s23*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s134*s14*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (2*s134*s14*s234*z14) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s14*s23*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*s34*z2)/(s12*s123*s124*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/(32*s12*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24*s34*z2)/(16*s12*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/(32*s12*s124*s14*s23*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s34^2*z2)/
    (s12*s123*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s34^2*z2)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s123*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s124*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s123*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (16*s12*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (16*s12*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*z1)/
    (4*s12*s123*z23) - (CA*(CA - 2*CF)*D*s1234*z1)/(16*s12*s123*z23) + 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s124*z23) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s12*s124*z23) - (CA*(CA - 2*CF)*s1234*z1)/(4*s14*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s14*s234*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s123*s124*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s12*s123*s124*z23) + (5*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s14*z23) + (7*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s14*z23) - (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s14*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s123*s124*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s123*s124*s23*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s12*s123*s124*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (2*s12*s123*s124*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s14*s23*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s12*s124*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s12*s124*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s134*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (16*s12*s124*s14*s23*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s12*s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z1)/
    (2*s12*s124*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s123*s134*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s14*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s123*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s123*s23*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s24*z1)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s123*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z1)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s134*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s23*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s134*s23*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s14*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s14*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(4*s12*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(16*s12*s123*s14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*s34*z1)/(16*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/(16*s12*s124*s14*s23*z23) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1)/
    (s12*s124*s23*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24*s34*z1)/(2*s12*s124*s23*s234*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/(8*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/(16*s12*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1^2)/(4*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/(16*s12*s124*s14*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/(16*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/(32*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1^2)/(8*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/(32*s124*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/(32*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1^2)/(16*s134*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z1^2)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/(32*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1^2)/(8*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1^2)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1^2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z2)/(8*s12*s123*z23) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s12*s123*z23) - (3*CA*(CA - 2*CF)*s1234*z2)/(16*s12*s124*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s124*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s134*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/
    (2*s123*s134*z23) + (5*CA*(CA - 2*CF)*s1234*z2)/(16*s134*s14*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s14*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s12*s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(2*s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*z2)/
    (8*s123*s23*z23) - (3*CA*(CA - 2*CF)*s1234*z2)/(8*s124*s23*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s124*s23*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s23*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z2)/
    (s123*s134*s23*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z2)/(2*s123*s134*s23*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s134*s23*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s134*s23*z23) - (CA*(CA - 2*CF)*s12*s1234*z2)/
    (16*s134*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s14*s23*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2)/(s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (2*s123*s124*s23*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2)/(s12*s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z2)/
    (2*s12*s123*s124*s23*z23) - (CA*(CA - 2*CF)*s1234*z2)/(16*s12*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*z2)/(s134*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(2*s134*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s14*s234*z23) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s14*s234*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s12*s124*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s14*z2)/(2*s12*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*z2)/
    (16*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z2)/(8*s14*s23*s234*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s134*s23*s234*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z2)/(s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s12*s124*s14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s12*s124*s23*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s123*s124*s23*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2)/
    (s12*s123*s124*s23*z23) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s123*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (2*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s134*s14*s23*z23) - (3*CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s134*s14*s23*z23) + (CF*(-CA + 2*CF)*s1234*s24*z2)/
    (2*s23*s234^2*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z2)/(s12*s124*s234*z23) - (5*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z2)/(s134*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24*z2)/(2*s134*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s14*s23*s234*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z2)/(s12*s124*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z2)/
    (2*s12*s124*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z2)/
    (4*s12*s124*s14*s23*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z2)/(s12*s124*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*z2)/
    (16*s134*s34*z23) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s34*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s123*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s123*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s123*s134*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*z2)/
    (16*s134*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s123*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (16*s12*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/
    (32*s12*s123*s23*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s14*z2)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2)/
    (s123*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*z2)/(16*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s134*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s12*s123*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s123*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (4*s12*s123*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s134*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s134*s14*s23*s34*z23) + (CF*(-CA + 2*CF)*s1234*s24*z2)/
    (2*s234^2*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z2)/(4*s12*s234*s34*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2)/
    (s123*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s14*s234*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s23*s234*s34*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z2)/(s123*s23*s234*s34*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2)/
    (s123*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z2)/
    (8*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (4*s14*s23*s234*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s14*s24*z2)/
    (16*s12*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/
    (32*s12*s23*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z2)/(s134*s23*s234*s34*z23) + 
   (CF*(-CA + 2*CF)*s1234*s24^2*z2)/(2*s23*s234^2*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z2)/(4*s12*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z2)/(4*s14*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s123*s14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s124*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s124*s14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s124*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(16*s12*s124*s23*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z2)/(16*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2)/(16*s12*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/(32*s12*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2)/(8*s12*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/(32*s12*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(4*s134*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s134*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s134*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s134*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s14*s23*s234*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s34*z2)/(s12*s124*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s34*z2)/
    (2*s12*s124*s23*s234*z23) - (5*CA*(CA - 2*CF)*s1234*s24*s34*z2)/
    (16*s12*s124*s14*s23*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z2)/(s12*s124*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s34^2*z2)/(16*s12*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s12*s123*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s123*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s12*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s123*s14*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s123*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s124*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s12*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s23*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/(16*s12*s124*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s123*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s123*s23*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1*z2)/(8*s12*s123*s23*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s234*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s123*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s123*s23*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s12*s123*s23*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s234*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z2)/(8*s12*s23*s234*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/(16*s12*s23*s234*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s12*s23*s234*z12*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z2)/(8*s12*s123*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(16*s12*s123*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(4*s12*s124*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(16*s12*s124*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(4*s134*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z2)/(16*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(32*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(32*s124*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(16*s134*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z2)/(16*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(4*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(16*s12*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(16*s12*s124*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(8*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/(8*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s134*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z2)/(16*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1*z2)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/(16*s14*s23*s234*s34*z14*z23) + 
   (9*CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s12*s123*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(32*s12*s123*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s12*s124*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(32*s12*s124*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(32*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(32*s124*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(16*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z2)/(32*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(8*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(16*s12*s124*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/(16*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34^2*z1*z2)/(32*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/(8*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34^2*z1*z2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z2^2)/(8*s12*s123*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z2^2)/(8*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z2^2)/(16*s124*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s12*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(16*s12*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z2^2)/(16*s12*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(16*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(16*s12*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(16*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(16*s12*s123*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(16*s123*s23*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/(16*s12*s123*s23*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(16*s12*s234*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2^2)/(16*s12*s23*s234*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(16*s12*s123*s14*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(16*s12*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(16*s123*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(16*s124*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/(16*s12*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(16*s12*s23*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z2^2)/(16*s12*s124*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z2^2)/(4*s12*s123*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2^2)/(16*s12*s123*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z2^2)/(8*s12*s124*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2^2)/(16*s12*s124*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z2^2)/(8*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2^2)/(32*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z2^2)/(16*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2^2)/(32*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(32*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(32*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z2^2)/(16*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z2^2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(8*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/(32*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(16*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/(32*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z2^2)/(8*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z2^2)/(16*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(16*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z2^2)/(8*s12*s123*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s34*z2^2)/(32*s12*s123*s23*z14*z23) + 
   (7*CA*(CA - 2*CF)*s1234*s34*z2^2)/(16*s12*s124*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s34*z2^2)/(32*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(8*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/(32*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z2^2)/(16*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/(32*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/(8*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2^2)/(32*s12*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2^2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z2^2)/(8*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z2^2)/(32*s12*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*s34*z2^2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z2^2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34^2*z2^2)/(8*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34^2*z2^2)/(32*s12*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34^2*z2^2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34^2*z2^2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s123*s23*z12) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s123*s23*z12) + (CA*(CA - 2*CF)*s1234*z3)/(4*s23*s234*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s12*s124*s134*z12) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s124*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z3)/(s12*s123*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s23*z12) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s124*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s123*s14*s23*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z3)/(s12*s123*s134*s14*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s12*s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s12*s123*s234*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s123*s23*s234*z12) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s124*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s12*s123*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z3)/(2*s12*s123*s23*s234*z12) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z3)/
    (s12*s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s24*z3)/(2*s12*s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24^2*z3)/
    (s12*s124*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s124*s14*s23*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z3)/(s12*s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z3)/
    (2*s12*s124*s23*s234*z12) - (CA*(CA - 2*CF)*s1234*z3)/(4*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(4*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s12*s134*s14*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z3)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s234*s34*z12) + 
   (7*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s12*s23*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z3)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/(16*s12*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s12*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s124*s23*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*
     z3)/(s12*s123*s124*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s12*s123*s134*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z3)/(s12*s123*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s134*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s14*s23*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s134*s14*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s134*s14*s234*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s14*s23*s234*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s23*s234*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24^2*z3)/(s12*s123*s124*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z3)/(4*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s134*s34*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(4*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s12*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s12*s134*s14*s34*z14) + 
   (5*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s134*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s134*s23*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s134*s14*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s134*s14*s23*s34*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s124*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s124*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s134*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s134*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3)/
    (s124*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s24*z3)/(2*s124*s14*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s134*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z3)/(2*s134*s14*s234*s34*z14) + 
   (7*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s23*s234*s34*z14) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s23*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z3)/(16*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/(16*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s12*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s12*s124*s14*s34*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z3)/
    (s124*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2*z3)/(2*s124*s14*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(16*s14*s23*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z3)/
    (s12*s123*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z3)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*z3)/
    (4*s123*s23*z23) + (CA*(CA - 2*CF)*D*s1234*z3)/(16*s123*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s124*s23*z23) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s124*s23*z23) + (CA*(CA - 2*CF)*s12*s1234*z3)/(4*s14*s23*s234*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s14*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s123*s14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s124*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s124*s14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s12*s124*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s124*s14*s23*z23) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s12*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s12*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s134*s14*s23*z23) + 
   (CF*(-CA + 2*CF)*s1234*s24*z3)/(s23*s234^2*z23) - 
   (CF*(-CA + 2*CF)*D*s1234*s24*z3)/(4*s23*s234^2*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s23*s234*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s134*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s134*s23*s234*z23) - (7*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s14*s23*s234*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s34*z23) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s134*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s123*s134*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s123*s23*s34*z23) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s24*z3)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z3)/
    (2*s123*s134*s23*s34*z23) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z3)/
    (2*s123*s134*s23*s34*z23) - (5*CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/
    (16*s134*s14*s23*s34*z23) - (5*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s134*s14*s23*s34*z23) + (CF*(-CA + 2*CF)*s1234*s24*z3)/
    (s234^2*s34*z23) - (CF*(-CA + 2*CF)*D*s1234*s24*z3)/(4*s234^2*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s234*s34*z23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(s123*s234*s34*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s134*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s134*s234*s34*z23) - (7*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s14*s234*s34*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s23*s234*s34*z23) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3)/(s123*s23*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z3)/
    (s123*s23*s234*s34*z23) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s123*s23*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z3)/
    (s123*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (4*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/
    (16*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (2*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (8*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (4*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s134*s14*s23*s34*z23) + (CF*(-CA + 2*CF)*s1234*s24^2*z3)/
    (s23*s234^2*s34*z23) - (CF*(-CA + 2*CF)*D*s1234*s24^2*z3)/
    (4*s23*s234^2*s34*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s23*s234*s34*z23) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z3)/(s134*s23*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z3)/
    (2*s134*s23*s234*s34*z23) - (7*CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s14*s23*s234*s34*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s34*z3)/
    (4*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z3)/
    (16*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z3)/
    (16*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (4*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (4*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/
    (4*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z3)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (4*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/
    (8*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z3)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (4*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/
    (4*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z3)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z3)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s12*s123*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s123*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s12*s123*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s123*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2*z3)/
    (8*s12*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z2*z3)/
    (8*s12*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s12*s123*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (4*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (16*s12*s124*s23*z14*z23) + (9*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s134*s23*z14*z23) - (3*CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s134*s23*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (2*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s14*s23*s234*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (16*s12*s123*s23*z14*z23) - (5*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (8*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s12*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/
    (32*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s134*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s134*s34*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s134*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (4*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (4*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z2*z3)/
    (32*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*s34*z2*z3)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z2*z3)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34^2*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (8*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (16*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (16*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (16*s134*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z3^2)/
    (32*s134*s14*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (4*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z3^2)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/
    (32*s14*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z3^2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1)/
    (4*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z1)/(16*s124*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*s23*z1)/(4*s12*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s12*s134*s14*z34) - 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s234*z34) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s12*s234*z34) + (7*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s14*z34) - (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s14*z34) + (5*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s134*s14*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s124*s134*s14*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s124*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s123*s134*s23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s14*s23*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s124*s14*s234*z34) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s123*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s124*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s134*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s124*s134*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s124*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s134*s14*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s124*s134*s14*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (2*s124*s134*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z1)/(s123*s134*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z1)/
    (16*s12*s123*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z1)/(s123*s134*s23*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z1)/(16*s12*s124*s14*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(16*s12*s124*s14*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s123*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s234*s34*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z1)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z1)/
    (2*s124*s14*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (16*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s123*s23*s34*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s124*s14*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z1)/
    (2*s124*s14*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s23*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s123*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s14*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s14*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1^2)/(4*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/(16*s12*s124*s14*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/(8*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/(16*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1^2)/(8*s12*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1^2)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1^2)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/(32*s12*s124*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/(32*s12*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1^2)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1^2)/(32*s12*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1^2)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/(32*s12*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z1^2)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s12*s123*z34) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s12*s123*z34) - (5*CA*(CA - 2*CF)*s1234*z2)/(16*s12*s124*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s124*z34) - 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s12*s134*z34) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s12*s134*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     z2)/(s124*s134*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*z2)/(2*s124*s134*z34) - (CA*(CA - 2*CF)*s1234*z2)/
    (8*s124*s14*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s124*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s14*z34) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s134*s14*z34) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s123*s23*z34) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s134*s23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s134*s23*z34) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s14*s23*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (8*s12*s123*s23*z34) - (3*CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s123*s23*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2)/(s123*s134*s23*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (2*s123*s134*s23*z34) + (CA*(CA - 2*CF)*s1234*s23*z2)/
    (16*s12*s124*s14*z34) - (CF*(-CA + 2*CF)*s1234*z2)/(s234^2*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*z2)/(4*s234^2*z34) + (7*CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s234*z34) - (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s234*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(2*s123*s234*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s124*s234*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(2*s124*s234*z34) + 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s14*s234*z34) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s14*s234*z34) - (3*CA*(CA - 2*CF)*s1234*z2)/(16*s23*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s23*s234*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(2*s12*s23*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(8*s12*s23*s234*z34) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s134*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s134*s23*s234*z34) + (5*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s23*s234*z34) - (3*CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s123*s23*s234*z34) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s134*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(s134*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s12*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s123*s23*z34) - (CF*(-CA + 2*CF)*s1234*s24*z2)/(s23*s234^2*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*s24*z2)/(4*s23*s234^2*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s24*z2)/(16*s12*s23*s234*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z2)/(32*s12*s23*s234*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2)/
    (s123*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z2)/(2*s123*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s134*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s124*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (2*s124*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s123*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s134*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2)/(s124*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (2*s124*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (16*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s134*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s134*s23*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*z2)/(s123*s134*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s14^2*z2)/
    (16*s12*s123*s23*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s14^2*z2)/(s123*s134*s23*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z2)/(16*s12*s124*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2)/(16*s12*s124*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s123*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z2)/
    (s124*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z2)/(2*s124*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s12*s124*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/
    (32*s12*s123*s23*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s124*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z2)/
    (2*s124*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s23*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*s24*z2)/
    (16*s12*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/
    (32*s12*s23*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z2)/(s123*s23*s234*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s124*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s124*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s134*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s134*s14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s123*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s123*s23*z34) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s123*s134*s23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s123*s134*s23*z34) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s134*s14*s23*z34) - (CF*(-CA + 2*CF)*s1234*s34*z2)/(s23*s234^2*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*s34*z2)/(4*s23*s234^2*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s23*s234*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s23*s234*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s123*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s123*s23*s234*z34) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s134*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(s134*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s123*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s124*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s12*s124*z12*z34) + (9*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s134*z12*z34) - (3*CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s12*s134*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s134*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s23*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s124*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s12*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s12*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (4*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (4*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (4*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s124*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s134*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (16*s12*s123*s23*z12*z34) - (5*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14^2*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z2)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (32*s12*s23*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*s24*z1*z2)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z2)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/
    (32*s12*s123*s23*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (2*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s12*s123*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (32*s12*s123*z12*z34) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s12*s124*z12*z34) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (4*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (16*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s12*s123*s23*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (8*s12*s123*s23*z12*z34) - (3*CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (32*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2^2)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s12*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (32*s12*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (16*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s12*s23*s234*z12*z34) + (7*CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s23*s234*z12*z34) - (3*CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (32*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (8*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/
    (32*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14^2*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14^2*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2^2)/
    (16*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (32*s12*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14^2*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14^2*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*s24*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s134*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s134*s14*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s23*z34) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s134*s23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s123*s134*s23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s14*s23*z34) + (CF*(-CA + 2*CF)*s1234*s24*z3)/(s23*s234^2*z34) - 
   (CF*(-CA + 2*CF)*D*s1234*s24*z3)/(4*s23*s234^2*z34) - 
   (7*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s23*s234*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s23*s234*z34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s123*s23*s234*z34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s134*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(s134*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*z3)/(4*s124*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s124*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z3)/(4*s12*s134*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z3)/(16*s12*s134*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(4*s12*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s12*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s123*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s12*s124*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s124*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s134*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s134*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s124*s14*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s12*s124*s14*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s12*s124*s14*s34*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s12*s134*s14*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s12*s134*s14*s34*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s12*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(16*s12*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s134*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s134*s23*s34*z34) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s123*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z3)/(2*s123*s134*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s134*s14*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s134*s14*s23*s34*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s14*s24*z3)/(16*s12*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/(16*s12*s123*s23*s34*z34) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z3)/
    (s123*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s24*z3)/(2*s123*s134*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z3)/(16*s12*s124*s14*s34*z34) + 
   (CF*(-CA + 2*CF)*s1234*s24*z3)/(s234^2*s34*z34) - 
   (CF*(-CA + 2*CF)*D*s1234*s24*z3)/(4*s234^2*s34*z34) - 
   (7*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s234*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s234*s34*z34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s123*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (2*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (8*s12*s23*s234*s34*z34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s134*s23*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z3)/
    (s134*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (4*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/
    (16*s12*s23*s234*s34*z34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z3)/(s134*s23*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z3)/
    (s134*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (4*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s123*s23*s34*z34) + (CF*(-CA + 2*CF)*s1234*s24^2*z3)/
    (s23*s234^2*s34*z34) - (CF*(-CA + 2*CF)*D*s1234*s24^2*z3)/
    (4*s23*s234^2*s34*z34) - (7*CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s23*s234*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s23*s234*s34*z34) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z3)/(s123*s23*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z3)/
    (2*s123*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s14*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s14*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s134*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (4*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (4*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/
    (4*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z3)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z3)/
    (32*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/
    (4*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z3)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z3)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (4*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (4*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s23*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s12*s123*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s12*s123*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s12*s134*z12*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s134*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s123*s23*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s12*s123*s23*z12*z34) + (9*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s123*s23*z12*z34) - (3*CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s12*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s12*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s12*s23*s234*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s12*s23*s234*z12*z34) - (3*CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (32*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s134*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s134*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s134*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z3)/
    (32*s12*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14^2*z2*z3)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z3)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14^2*z2*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (4*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (16*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z2*z3)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (16*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s14*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s14*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s123*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s123*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s134*s14*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s14*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s23*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s14*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s12*s123*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s123*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s134*s14*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s12*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s14*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s14*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s123*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s134*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (16*s12*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (16*s12*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s134*s14*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s12*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s14*s23*s234*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (8*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (16*s12*s134*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (8*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (16*s123*s23*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/
    (32*s12*s123*s23*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z3^2)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z3^2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (8*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (32*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (4*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (16*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z3^2)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (16*s12*s134*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s134*s14*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s12*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s14*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s12*s123*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (16*s12*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s134*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (16*s134*s14*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s12*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s14*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (16*s12*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (16*s14*s23*s234*s34*z23*z34) - (CF*(-CA + 2*CF)*s1234*z4)/(s124^2*z12) + 
   (CF*(-CA + 2*CF)*D*s1234*z4)/(4*s124^2*z12) - (CA*(CA - 2*CF)*s1234*z4)/
    (16*s12*s124*z12) + (CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s124*z12) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s124*s134*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z4)/(2*s124*s134*z12) - 
   (CF*(-CA + 2*CF)*s12*s1234*z4)/(s124^2*s14*z12) + 
   (CF*(-CA + 2*CF)*D*s12*s1234*z4)/(4*s124^2*s14*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s14*z12) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s124*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(s123*s124*s14*z12) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s123*s14*z12) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s123*s124*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (s123*s124*s14*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z4)/
    (2*s123*s134*s14*z12) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s124*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*z4)/
    (2*s124*s134*s14*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s123*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*z4)/(16*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s23*z12) - 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s123*s14*s23*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s123*s14*z12) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s123*s124*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (s123*s124*s14*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z4)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (2*s123*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z4)/(s124*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z4)/
    (s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s23^2*z4)/(s12*s123*s134*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z4)/
    (2*s123*s234*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     z4)/(s124*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     z4)/(2*s124*s234*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s12*s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s12*s123*s234*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z4)/(s12*s124*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z4)/
    (2*s12*s124*s234*z12) - (CA*(CA - 2*CF)*s1234*z4)/(8*s23*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s12*s123*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s12*s123*s234*z12) - (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (s124^2*s14*z12) + (CF*(-CA + 2*CF)*D*s1234*s24*z4)/(4*s124^2*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(16*s12*s124*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s12*s124*s14*z12) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z4)/
    (s124*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z4)/(2*s124*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s124*s14*s23*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*s24*z4)/(s12*s124*s134*s14*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z4)/
    (s12*s124*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z4)/(2*s12*s124*s234*z12) - (CA*(CA - 2*CF)*s1234*z4)/
    (4*s123*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z4)/(16*s123*s34*z12) + 
   (7*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s134*s34*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s134*s34*z12) + (7*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s124*s14*s34*z12) - (3*CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s124*s14*s34*z12) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (2*s124*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (8*s124*s14*s34*z12) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s14*s34*z12) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s14*s34*z12) + (5*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s134*s14*s34*z12) + (CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s123*s23*s34*z12) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s123*s23*s34*z12) + (5*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s23*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s123*s23*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s123*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s123*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s124*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s124*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s134*s34*z12) + (5*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s124*s14*s34*z12) - (3*CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s124*s14*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (8*s134*s14*s34*z12) - (3*CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s134*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (16*s12*s134*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s23^2*z4)/
    (16*s12*s134*s14*s34*z12) - (5*CA*(CA - 2*CF)*s1234*z4)/
    (16*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z4)/(16*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z4)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z4)/(16*s12*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z4)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s234*s34*z12) + 
   (7*CA*(CA - 2*CF)*s1234*s24*z4)/(16*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(4*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z4)/(16*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/(32*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/(32*s12*s134*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z4)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(16*s23*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s12*s123*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s123*z14) + 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s12*s124*z14) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s12*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*z4)/
    (s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z4)/
    (2*s123*s124*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z4)/
    (s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*z4)/
    (2*s123*s134*z14) + (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s124*s14*z14) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*
     z4)/(s123*s124*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*z4)/(2*s123*s124*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s123*s14*z14) - (CA*(CA - 2*CF)*s1234*z4)/(8*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s134*s14*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s123*s134*s14*z14) + (5*CA*(CA - 2*CF)*s1234*z4)/
    (16*s123*s23*z14) - (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s124*s23*z14) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s124*s23*z14) + (CA*(CA - 2*CF)*s12*s1234*z4)/(4*s123*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s134*s14*s23*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s12*s123*s124*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z4)/(s12*s123*s134*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s123*s124*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*z4)/(s12*s123*s134*s14*z14) - (3*CA*(CA - 2*CF)*s1234*z4)/
    (8*s14*s234*z14) + (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s14*s234*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s14*s23*s234*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s134*s14*s234*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s134*s14*s234*z14) + (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (2*s12*s124^2*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s12*s124*s134*z14) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s12*s123*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s123*s14*z14) + (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (2*s124^2*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s12*s124*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s123*s124*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24*z4)/(2*s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s12*s134*s14*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z4)/(s12*s124*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s12*s124*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (4*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s134*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s134*s14*s23*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*s24*z4)/(s12*s123*s124*s14*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z4)/
    (s134*s14*s234*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s14*s23*s234*z14) + (CF*(-CA + 2*CF)*s1234*s24^2*z4)/
    (2*s12*s124^2*s14*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z4)/
    (4*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*z4)/(16*s124*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s134*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(16*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4)/(16*s134*s14*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/(32*s134*s14*s23*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s124*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s124*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s134*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s124*s14*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z4)/(16*s12*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/(32*s12*s134*s14*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s234*s34*z14) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s14*s234*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s14*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s14*s234*s34*z14) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s12^2*s1234*z4)/(16*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4)/(8*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/(32*s14*s23*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s124*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s124*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s134*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s134*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z4)/
    (s124*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s23*z4)/(2*s124*s14*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z4)/
    (s134*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s23*z4)/(2*s134*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(4*s12*s124*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(4*s12*s134*s34*z14) - 
   (5*CA*(CA - 2*CF)*s1234*s24*z4)/(16*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(4*s12*s134*s14*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s134*s14*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s134*s14*s23*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z4)/(16*s12*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/(32*s12*s124*s14*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z4)/
    (s124*s234*s34*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s134*s234*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s14*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s14*s234*s34*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z4)/(s124*s14*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z4)/
    (s134*s14*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s23*s234*s34*z14) - (5*CA*(CA - 2*CF)*s12*s1234*s24*z4)/
    (16*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (2*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s14*s23*s234*s34*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z4)/(s124*s14*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z4)/
    (2*s124*s14*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z4)/
    (4*s12*s124*s14*s34*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z4)/(s124*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z4)/(4*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z4)/(16*s12*s123*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z4)/
    (s123*s134*s14*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z4)/(2*s123*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s34*z4)/
    (16*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s34*z4)/
    (8*s124*s14*s23*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*s34*z4)/(s12*s123*s134*s14*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z4)/
    (s12*s124*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z4)/
    (8*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s12*s124*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (16*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (16*s12*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*z4)/
    (8*s12*s124*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/
    (s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z4)/
    (2*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*z4)/(4*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s123*s14*z23) - 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s124*s14*z23) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s124*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s134*s14*z23) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s134*s14*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z4)/
    (2*s123*s124*s23*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s123*s124*s23*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (8*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s124*s14*s23*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s123*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s123*s14*z23) + (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s124*s14*z23) - (CF*(-CA + 2*CF)*s1234*z4)/(s234^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*z4)/(4*s234^2*z23) + (CA*(CA - 2*CF)*s1234*z4)/
    (16*s12*s234*z23) - (CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s234*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s124*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z4)/(2*s124*s234*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s134*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z4)/(2*s134*s234*z23) + 
   (7*CA*(CA - 2*CF)*s1234*z4)/(16*s14*s234*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s14*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*
     z4)/(s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s12*s124*s14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s124*s14*s23*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s124*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (2*s124*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s123*s34*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s123*s134*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z4)/
    (2*s123*s134*s34*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s123*s134*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s123*s134*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (8*s134*s14*s34*z23) - (3*CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s14*s34*z23) + (5*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s123*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s123*s23*s34*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12^2*
     s1234*z4)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z4)/
    (s123*s134*s23*s34*z23) - (CA*(CA - 2*CF)*s12^2*s1234*z4)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s123*s34*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s123*s134*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (2*s123*s134*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s134*s14*s34*z23) - (CF*(-CA + 2*CF)*s1234*s23*z4)/(s234^2*s34*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s23*z4)/(4*s234^2*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s234*s34*z23) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(s123*s234*s34*z23) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(s123*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*z4)/(s134*s234*s34*z23) + (5*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s14*s234*s34*z23) - (3*CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (2*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (8*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s234*s34*z23) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s123*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (s123*s234*s34*z23) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z4)/(s134*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s23*z4)/(2*s134*s234*s34*z23) + (7*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s14*s234*s34*z23) - (3*CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/
    (32*s134*s14*s23*s34*z23) - (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (s234^2*s34*z23) + (CF*(-CA + 2*CF)*D*s1234*s24*z4)/(4*s234^2*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(16*s12*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s12*s234*s34*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z4)/
    (s134*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z4)/(2*s134*s234*s34*z23) + (7*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s14*s234*s34*z23) - (3*CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s23*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z4)/(s134*s23*s234*s34*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z4)/(16*s14*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/(32*s14*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z4)/(16*s12*s124*s14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z4)/(16*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z4)/(16*s124*s14*s23*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z4)/
    (s124*s23*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z4)/(2*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s12*s123*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s12*s123*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s12*s124*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s12*s124*z14*z23) + (9*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s134*s14*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (4*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s14*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s14*s234*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s12*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s134*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s134*s34*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s12^2*s1234*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (4*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (16*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (4*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (16*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (2*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (8*s14*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (5*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (8*s14*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*s24*z1*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z4)/
    (32*s14*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s12*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s12*s124*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s124*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s124*s14*s23*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s12*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (16*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s12*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s124*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s12*s124*s14*s23*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s12*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (16*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (16*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s12*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (4*s12*s123*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s12*s123*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (2*s12*s124*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s12*s124*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s123*s14*z14*z23) - (5*CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (2*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (8*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s134*s23*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s134*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (4*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s134*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s14*s234*z14*z23) - (5*CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s23*s234*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (4*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (4*s134*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s134*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (2*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (8*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/
    (4*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z4)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (4*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (2*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s14*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12^2*s1234*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (4*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s14*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (4*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z2*z4)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34^2*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (4*s12*s124*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (8*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (4*s124*s14*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (8*s12*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (8*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (8*s12*s124*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2*z4)/
    (8*s123*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2*z4)/
    (8*s124*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (4*s123*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (8*s124*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z4)/
    (8*s12*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/
    (4*s12*s123*s14*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (8*s12*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (4*s12*s124*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (8*s12*s124*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (8*s123*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (4*s124*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/
    (8*s12*s123*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/(8*s12*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z4)/(8*s12*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(8*s12*s123*s14*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(8*s12*s124*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(8*s123*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(8*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2*z4)/(8*s12*s123*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2*z4)/(8*s12*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s12*s123*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s123*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s134*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(32*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s14*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s14*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(32*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(16*s12*s124*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s134*s34*z14*z23) + 
   (9*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s14*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(32*s134*s14*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s134*s14*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3*z4)/(32*s134*s14*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3*z4)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s14*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(32*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3*z4)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3*z4)/(32*s14*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(4*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(16*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(16*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(32*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/(32*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(16*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(16*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z3*z4)/(16*s12*s124*s14*s23*z14*z23) + 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s12*s123*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s123*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s123*s134*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*z4)/
    (2*s123*s134*z34) - (3*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s134*s14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s124*s134*s14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z4)/
    (2*s124*s134*s14*z34) + (3*CA*(CA - 2*CF)*s1234*z4)/(16*s123*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s134*s23*z34) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s14*s23*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s134*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*z4)/(16*s12*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*z4)/(s123*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z4)/(2*s123*s234*z34) - 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s14*s234*z34) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s14*s234*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s124*s14*s234*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*z4)/
    (2*s124*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*z4)/(16*s23*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s23*s234*z34) - (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s12*s124*s14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s124*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s134*s14*s23*z34) + (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (2*s23*s234^2*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s124*s14*s234*z34) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s12*s23*s234*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s134*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(8*s124*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s134*s34*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s124*s134*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s124*s134*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s134*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s123*s134*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s124*s14*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z4)/(s124*s134*s14*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z4)/
    (2*s124*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*z4)/
    (16*s12*s123*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z4)/(s123*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z4)/
    (2*s123*s134*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s23*s34*z34) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s23*s34*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z4)/(s123*s134*s23*s34*z34) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z4)/(16*s134*s14*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/(32*s134*s14*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z4)/(16*s123*s23*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z4)/
    (s123*s134*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (4*s12*s123*s34*z34) - (3*CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s134*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (8*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/
    (32*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (16*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/
    (32*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s23^2*z4)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*z4)/(16*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s234*s34*z34) - (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z4)/
    (8*s12*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*z4)/(s123*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s23*z4)/(2*s123*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s14*s234*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s23*z4)/(s124*s14*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s23*z4)/
    (2*s124*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s12*s123*s34*z34) - (3*CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s123*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s12*s124*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s12*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s12*s134*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s124*s134*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (2*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s12*s134*s14*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s124*s134*s14*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(4*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s12*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(4*s134*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(4*s134*s14*s23*s34*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s23*s24*z4)/(16*s12*s124*s14*s34*z34) + 
   (CF*(-CA + 2*CF)*s1234*s24*z4)/(2*s234^2*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z4)/(16*s12*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s12*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z4)/
    (s123*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z4)/(2*s123*s234*s34*z34) - (5*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s14*s234*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z4)/(s124*s14*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z4)/
    (2*s124*s14*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s23*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z4)/(s123*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(4*s12*s23*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z4)/
    (s134*s23*s234*s34*z34) - (3*CA*(CA - 2*CF)*s12*s1234*s24*z4)/
    (16*s14*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/
    (32*s14*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z4)/
    (8*s12*s23*s234*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z4)/(s134*s23*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z4)/
    (s124*s14*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z4)/
    (4*s12*s124*s14*s34*z34) + (CF*(-CA + 2*CF)*s1234*s24^2*z4)/
    (2*s23*s234^2*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z4)/(s124*s14*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z4)/(4*s12*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z4)/(4*s14*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(4*s12*s123*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(4*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(16*s124*s14*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z4)/(8*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(16*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(16*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(4*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(16*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(16*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(32*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s12*s123*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z4)/(16*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(32*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z4)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z4)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(32*s12*s124*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(32*s12*s134*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(32*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(8*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z4)/(32*s12*s124*s14*s34*z12*z34) + 
   (9*CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(32*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/(8*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z1*z4)/(32*s12*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z1*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/(32*s12*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s134*s14*s23*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s14*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s14*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z1*z4)/(8*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s14*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s12*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s134*s14*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s14*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1*z4)/(8*s14*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/(16*s12*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/(16*s14*s23*s234*s34*z14*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z2*z4)/(16*s12*s124*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2*z4)/(32*s12*s124*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z4)/(8*s12*s134*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2*z4)/(32*s12*s134*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(2*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s124*s14*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(4*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(4*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(2*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(8*s12*s123*s23*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z2*z4)/(16*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/(32*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(8*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/(32*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s12*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(2*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s12*s23*s234*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(8*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s23*s234*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z4)/(8*s123*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2*z4)/(32*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s124*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s123*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s124*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s134*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(2*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(8*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(4*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(8*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(4*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/(4*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z4)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(8*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/(32*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/(32*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/(4*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z2*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z2*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z2*z4)/(16*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2*z4)/(32*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s12*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14^2*z2*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(8*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(4*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(4*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z2*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s12*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s12*s124*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s124*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s134*s14*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s14*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s124*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s14*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s124*s34*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s12*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s14*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s14*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z2*z4)/(16*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z4)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z2*z4)/(16*s14*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z4)/(4*s12*s124*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z2*z4)/(8*s12*s134*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z4)/(4*s124*s14*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(8*s12*s134*s14*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/(8*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(4*s12*s124*s14*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(8*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z4)/(8*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(8*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(4*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(8*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z4)/(8*s12*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z4)/(8*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z4)/(8*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/(8*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/(8*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/(8*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z2*z4)/(8*s12*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(4*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(8*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(8*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/(8*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/(8*s12*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z2*z4)/(8*s12*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z4)/(8*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(4*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s23*s234*z12*z34) + 
   (9*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s123*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s124*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(2*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(8*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(4*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(32*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(32*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(32*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(4*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(16*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z3*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z3*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(32*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(32*s12*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s12*s123*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s12*s134*s34*z12*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(8*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(32*s12*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z3*z4)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z3*z4)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z3*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z3*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(4*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z3*z4)/(8*s12*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z3*z4)/(8*s12*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s14*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(16*s12*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(16*s14*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s14*s23*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s12*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s14*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s14*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s14*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(16*s134*s14*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s12*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s12*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s14*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(16*s14*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(8*s12*s234*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(4*s23*s234*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s12*s23*s234*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/(8*s12*s23*s234*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s12*s23*s234*z12*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z3*z4)/(8*s123*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(4*s12*s123*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/(8*s12*s123*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(4*s123*s23*s34*z12*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s123*s23*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3*z4)/(8*s12*s123*s23*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/(8*s123*s23*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3*z4)/(8*s12*s123*s23*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3*z4)/(8*s12*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(4*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s12*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/(8*s12*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3*z4)/(8*s12*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s12*s123*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s123*s23*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/(8*s12*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(4*s12*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(4*s23*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/(8*s12*s23*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3*z4)/(8*s12*s23*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3*z4)/(8*s12*s23*s234*s34*z12*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z3*z4)/(8*s134*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(8*s134*s14*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(4*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(8*s14*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(4*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(8*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(4*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(8*s134*s23*s34*z14*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s134*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z2*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/(4*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(4*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(8*s14*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s134*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s14*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(4*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z2*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3*z4)/(8*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3*z4)/(8*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s12*s124*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s134*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(32*s134*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(32*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s14*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(32*s14*s234*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(32*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(4*s134*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(16*s134*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s134*s14*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(32*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12^2*s1234*z4^2)/(8*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z4^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(8*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(16*s234*s34*z14*z23) + 
   (7*CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s14*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(32*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s14*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12^2*s1234*z4^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z4^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(8*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(32*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z4^2)/(8*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z4^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(32*s14*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z4^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z4^2)/(32*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z4^2)/(16*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z4^2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(16*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(4*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(16*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(32*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(32*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(32*s12*s134*s34*z12*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(32*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4^2)/(32*s12*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(32*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4^2)/(32*s12*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23^2*z4^2)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z4^2)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z4^2)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z4^2)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z4^2)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z4^2)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(32*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(8*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(32*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z4^2)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4^2)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z4^2)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4^2)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s134*s14*s23*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s14*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(16*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(16*s12*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z4^2)/(16*s12*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s14*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z4^2)/(16*s14*s23*s234*s34*z14*z34)) + 
 k3k3*((CA*(CA - 2*CF)*s1234)/(2*s12*s123) - (CA*(CA - 2*CF)*D*s1234)/
    (8*s12*s123) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s123*s124) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s123*s124) + (16*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s123*s134) - (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s123*s134) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s124*s134) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s124*s134) + (CA*(CA - 2*CF)*s1234)/(2*s134*s14) - 
   (CA*(CA - 2*CF)*D*s1234)/(8*s134*s14) + (2*CA*(CA - 2*CF)*s1234)/
    (s123*s23) - (3*CA*(CA - 2*CF)*D*s1234)/(4*s123*s23) + 
   (CA*(CA - 2*CF)*D^2*s1234)/(16*s123*s23) + (3*CA*(CA - 2*CF)*s1234)/
    (2*s124*s23) - (5*CA*(CA - 2*CF)*D*s1234)/(8*s124*s23) + 
   (CA*(CA - 2*CF)*D^2*s1234)/(16*s124*s23) + (CA*(CA - 2*CF)*s12*s1234)/
    (s134*s14*s23) - (CA*(CA - 2*CF)*D*s12*s1234)/(2*s134*s14*s23) + 
   (CA*(CA - 2*CF)*D^2*s12*s1234)/(16*s134*s14*s23) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s124*s23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s123*s124*s23) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s134*s14*s234) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234)/(s134*s14*s234) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s12*s123*s234) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s12*s123*s234) - (CA*(CA - 2*CF)*s1234)/(s23*s234) + 
   (CA*(CA - 2*CF)*D*s1234)/(2*s23*s234) - (CA*(CA - 2*CF)*D^2*s1234)/
    (16*s23*s234) - (16*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s134*s23*s234) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234)/(s134*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s12*s1234)/(s134*s23*s234) - (CA*(CA - 2*CF)*s12*s1234)/
    (2*s14*s23*s234) + (CA*(CA - 2*CF)*D*s12*s1234)/(8*s14*s23*s234) + 
   (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s23*s234) - 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s123*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(s123*s23*s234) + (24*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s124*s23*s234) - 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s124*s23*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(s124*s23*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s12*s124*s134) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s124*s14) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s123*s134*s14) - (3*CA*(CA - 2*CF)*s1234*s24)/(4*s12*s124*s23) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(8*s12*s124*s23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s124*s23) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(8*s123*s14*s23) - 
   (CA*(CA - 2*CF)*s1234*s24)/(4*s124*s14*s23) + (CA*(CA - 2*CF)*D*s1234*s24)/
    (8*s124*s14*s23) + (CA*(CA - 2*CF)*s1234*s13*s24)/(4*s12*s123*s14*s23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s23*s234) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s123*s23*s234) - (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24)/
    (s124*s23*s234) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24)/(s124*s23*s234) - (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24)/(s12*s124*s23*s234) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24)/
    (s12*s124*s23*s234) + (3*CA*(CA - 2*CF)*s1234)/(2*s124*s34) - 
   (5*CA*(CA - 2*CF)*D*s1234)/(8*s124*s34) + (CA*(CA - 2*CF)*D^2*s1234)/
    (16*s124*s34) + (2*CA*(CA - 2*CF)*s1234)/(s134*s34) - 
   (3*CA*(CA - 2*CF)*D*s1234)/(4*s134*s34) + (CA*(CA - 2*CF)*D^2*s1234)/
    (16*s134*s34) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s124*s134*s34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234)/(s124*s134*s34) + (CA*(CA - 2*CF)*s1234*s14)/(s12*s123*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s14)/(2*s12*s123*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s14)/(16*s12*s123*s34) + 
   (3*CA*(CA - 2*CF)*s12*s1234)/(2*s134*s23*s34) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234)/(8*s134*s23*s34) + 
   (3*CA*(CA - 2*CF)*s1234*s14)/(2*s123*s23*s34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s14)/(8*s123*s23*s34) + 
   (16*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14)/
    (s123*s134*s23*s34) - (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s14)/(s123*s134*s23*s34) - (CA*(CA - 2*CF)*s1234)/(s234*s34) + 
   (CA*(CA - 2*CF)*D*s1234)/(2*s234*s34) - (CA*(CA - 2*CF)*D^2*s1234)/
    (16*s234*s34) + (24*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s124*s234*s34) - (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234)/(s124*s234*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*
     s12*s1234)/(s124*s234*s34) + 
   (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s134*s234*s34) - 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s134*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(s134*s234*s34) - (CA*(CA - 2*CF)*s1234*s14)/(2*s12*s234*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s14)/(8*s12*s234*s34) - 
   (16*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s234*s34) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s123*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(s123*s234*s34) - (CA*(CA - 2*CF)*s1234*s24)/(4*s12*s124*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(8*s12*s124*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(8*s12*s134*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s124*s134*s34) - 
   (3*CA*(CA - 2*CF)*s1234*s24)/(4*s124*s14*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(8*s124*s14*s34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24)/(4*s12*s134*s14*s34) - 
   (3*CA*(CA - 2*CF)*s1234*s24)/(2*s123*s23*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(2*s123*s23*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(16*s123*s23*s34) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s24)/(4*s12*s123*s23*s34) + 
   (5*CA*(CA - 2*CF)*D*s1234*s13*s24)/(8*s12*s123*s23*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/(16*s12*s123*s23*s34) - 
   (3*CA*(CA - 2*CF)*s1234*s24)/(2*s134*s23*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(2*s134*s23*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(16*s134*s23*s34) - 
   (24*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24)/
    (s123*s134*s23*s34) + (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24)/(s123*s134*s23*s34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s12*s1234*s24)/
    (s123*s134*s23*s34) - (20*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s123*s134*s23*s34) + 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s123*s134*s23*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s24)/(s123*s134*s23*s34) - (5*CA*(CA - 2*CF)*s1234*s13*s24)/
    (4*s134*s14*s23*s34) + (5*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s134*s14*s23*s34) - (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (16*s134*s14*s23*s34) - (24*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24)/(s123*s134*s23*s34) + 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24)/
    (s123*s134*s23*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s14*s24)/(s123*s134*s23*s34) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s124*s234*s34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s124*s234*s34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/
    (s134*s234*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24)/(s134*s234*s34) - (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24)/(s124*s14*s234*s34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24)/
    (s124*s14*s234*s34) - (7*CA*(CA - 2*CF)*s1234*s24)/(2*s23*s234*s34) + 
   (5*CA*(CA - 2*CF)*D*s1234*s24)/(4*s23*s234*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(8*s23*s234*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24)/
    (s123*s23*s234*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24)/(s123*s23*s234*s34) - 
   (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24)/
    (s134*s23*s234*s34) + (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*s24)/(s134*s23*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s12*s1234*s24)/
    (s134*s23*s234*s34) - (3*CA*(CA - 2*CF)*s12*s1234*s24)/
    (4*s14*s23*s234*s34) + (CA*(CA - 2*CF)*D*s12*s1234*s24)/
    (4*s14*s23*s234*s34) - (3*CA*(CA - 2*CF)*s1234*s14*s24)/
    (4*s12*s23*s234*s34) + (CA*(CA - 2*CF)*D*s1234*s14*s24)/
    (4*s12*s23*s234*s34) - (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24)/(s123*s23*s234*s34) + 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24)/
    (s123*s23*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s14*s24)/(s123*s23*s234*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24)/
    (s134*s23*s234*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s24)/(s134*s23*s234*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s124*s134*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s123*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s123*s134*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s124*s134*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z1)/(s12*s123*s134*s14*z12) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s124*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s124*s23*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s123*s14*s23*z12) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s124*s14*s23*z12) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s12*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (16*s12*s123*s14*s23*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z1)/(s12*s123*s134*s14*z12) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(s12*s123*s234*z12) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s123*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(s123*s23*s234*z12) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(s124*s23*s234*z12) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s12*s123*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z1)/(s12*s123*s23*s234*z12) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z1)/
    (s12*s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s24*z1)/(s12*s124*s23*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z1)/
    (s12*s124*s134*s14*z12) + (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s12*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (16*s12*s124*s14*s23*z12) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s12*s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z1)/
    (s12*s124*s23*s234*z12) + (CA*(CA - 2*CF)*s1234*s14*z1)/
    (2*s12*s123*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s14*z1)/
    (8*s12*s123*s34*z12) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s123*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s123*s34*z12) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s124*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s124*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s134*s34*z12) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s124*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s124*s14*s34*z12) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s134*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s134*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s12*s134*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s123*s23*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s123*s23*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s12*s123*s23*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (16*s12*s123*s23*s34*z12) - (CA*(CA - 2*CF)*s1234*s23*s24*z1)/
    (8*s12*s134*s14*s34*z12) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s12*s234*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s234*s34*z12) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s23*s234*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s23*s234*s34*z12) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (4*s12*s23*s234*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (16*s12*s23*s234*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s14*s24*z1)/
    (8*s12*s23*s234*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z1)/
    (8*s12*s23*s234*s34*z12) + (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s12*s124*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (16*s12*s124*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (16*s12*s134*s14*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s12*s23*s234*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (8*s12*s23*s234*s34*z12) + (CA*(CA - 2*CF)*s12*s1234*z1)/
    (2*s134*s14*s23*z14) - (CA*(CA - 2*CF)*D*s12*s1234*z1)/
    (8*s134*s14*s23*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s12*s123*s124*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s123*s134*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s123*s124*s14*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s134*s14*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s12*s123*s134*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s134*s14*s23*z14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s134*s14*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(s134*s14*s234*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s14*s23*s234*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s14*s23*s234*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s12*s123*s124*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(16*s12*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(8*s12*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(16*s12*s124*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s124*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s134*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(8*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s124*s14*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s134*s23*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s134*s14*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s134*s14*s23*s34*z14) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s124*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(s124*s234*s34*z14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s134*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(s134*s234*s34*z14) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z1)/
    (s124*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s24*z1)/(s124*s14*s234*s34*z14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s134*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z1)/(s134*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s23*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z1)/(8*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z1)/(8*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(4*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s14*s23*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/(8*s12*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(16*s12*s124*s14*s34*z14) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z1)/
    (s124*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2*z1)/(s124*s14*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/(8*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(8*s14*s23*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1)/
    (s12*s123*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (8*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (8*s12*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (8*s12*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (8*s12*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (8*s12*s124*s14*s34*z12*z14) - (3*CA*(CA - 2*CF)*s1234*z2)/
    (8*s12*s123*z12) + (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s123*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s134*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s124*s134*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s134*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s12*s124*s134*z12) - (3*CA*(CA - 2*CF)*s1234*z2)/
    (8*s123*s23*z12) + (CA*(CA - 2*CF)*D*s1234*z2)/(16*s123*s23*z12) + 
   (3*CA*(CA - 2*CF)*s1234*z2)/(8*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s124*s23*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s123*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s123*s23*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s124*s23*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z2)/
    (s12*s123*s134*z12) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s12*s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s14*z2)/(s12*s123*s234*z12) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s123*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(s123*s23*s234*z12) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(s124*s23*s234*z12) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2)/
    (s12*s123*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s14*z2)/(s12*s123*s23*s234*z12) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14^2*z2)/
    (s12*s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s14^2*z2)/(s12*s124*s23*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2)/
    (s12*s124*s134*z12) + (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s12*s124*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s12*s124*s23*z12) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z2)/(s12*s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z2)/
    (s12*s124*s23*s234*z12) + (CA*(CA - 2*CF)*s1234*z2)/(8*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*z2)/(8*s134*s34*z12) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s134*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s134*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(8*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2)/(8*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/(16*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(8*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(4*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(8*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2)/(4*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/(16*s12*s23*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14^2*z2)/(8*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14^2*z2)/(8*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(8*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(4*s12*s123*s23*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z2)/(8*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/(8*s12*s23*s234*s34*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s124*z14) + 
   (3*CA*(CA - 2*CF)*s1234*z2)/(8*s12*s134*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s134*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s134*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s12*s123*s124*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s12*s123*s134*z14) + (CA*(CA - 2*CF)*D*s1234*z2)/(16*s123*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*z2)/(8*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s124*s23*z14) + (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s123*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z2)/(8*s134*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s134*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s124*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s124*s23*z14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s134*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(s134*s234*z14) - 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s23*s234*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z2)/(s12*s123*s124*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s12*s123*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s12*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s12*s124*s23*z14) - (3*CA*(CA - 2*CF)*s1234*z2)/(8*s124*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s124*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s134*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s124*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s124*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s134*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s134*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(8*s134*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s134*s23*s34*z14) - 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z2)/
    (s124*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z2)/(s124*s234*s34*z14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s134*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s134*s234*s34*z14) - 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s124*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(s124*s234*s34*z14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s134*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(s134*s234*s34*z14) - (3*CA*(CA - 2*CF)*s12*s1234*z2)/
    (8*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s12*s1234*z2)/
    (8*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (4*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (8*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (16*s23*s234*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s12*s124*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s12*s124*s34*z14) - (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s124*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z2)/
    (s124*s234*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (8*s23*s234*s34*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z2)/(s12*s123*s134*z14) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s12*s123*s23*z14) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s123*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s134*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s123*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s123*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*z1)/(2*s12*s123*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(8*s12*s123*z23) + 
   (CA*(CA - 2*CF)*s1234*z1)/(2*s12*s124*z23) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (8*s12*s124*z23) - (CA*(CA - 2*CF)*s1234*z1)/(2*s14*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(8*s14*s234*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s123*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s123*s14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s124*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s124*s14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(8*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s124*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(4*s12*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(2*s134*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s134*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s23*s234*z23) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s134*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(s134*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s14*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s12*s124*s14*s23*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s123*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s123*s34*z23) + (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s123*s134*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (s123*s134*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s134*s14*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s123*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s12*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (16*s12*s123*s23*s34*z23) + (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s24*z1)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z1)/
    (s123*s134*s23*s34*z23) + (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (s123*s134*s23*s34*z23) + (5*CA*(CA - 2*CF)*s12*s1234*s24*z1)/
    (8*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z1)/
    (8*s134*s14*s23*s34*z23) + (5*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (8*s134*s14*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s234*s34*z23) - (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s134*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (s134*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (2*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (16*s134*s14*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s12*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (16*s12*s23*s234*s34*z23) - (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s134*s23*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z1)/
    (s134*s23*s234*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (16*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (8*s12*s124*s14*s23*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (4*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (8*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (2*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (8*s12*s124*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (4*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (16*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (4*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (4*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (4*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z1^2)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (8*s134*s14*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/
    (4*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1^2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2)/
    (8*s12*s123*z23) - (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s123*z23) + 
   (CA*(CA - 2*CF)*s1234*z2)/(8*s12*s124*z23) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s12*s124*z23) - (3*CA*(CA - 2*CF)*s1234*z2)/(8*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s123*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s124*s23*z23) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s124*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s123*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s124*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s124*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*z2)/(2*s134*s23*z23) + (3*CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s134*s23*z23) - (CA*(CA - 2*CF)*s12*s1234*z2)/(2*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z2)/(8*s134*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(8*s134*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*z2)/(8*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s23*s234*z23) + (CA*(CA - 2*CF)*s12*s1234*z2)/(4*s14*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s23*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s23*s234*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s134*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(s134*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s12*s124*s23*z23) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (2*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (8*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (4*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (8*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (2*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (8*s12*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (2*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (8*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*z2)/(8*s134*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s134*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s123*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s123*s34*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s123*s134*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(s123*s134*s34*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z2)/
    (8*s134*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2)/
    (8*s134*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s134*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (8*s134*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (8*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (16*s123*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (8*s12*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/
    (16*s12*s123*s23*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s14*z2)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s14*z2)/
    (s123*s134*s23*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z2)/
    (s123*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*z2)/(8*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s234*s34*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s134*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(s134*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (4*s134*s14*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s23*s234*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z2)/
    (4*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s14*s24*z2)/
    (8*s12*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/
    (16*s12*s23*s234*s34*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z2)/(s134*s23*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z2)/
    (s134*s23*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s12*s124*s23*z23) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (4*s124*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (4*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (8*s12*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (8*s12*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (4*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (4*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s14*z1*z2)/
    (4*s12*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (4*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (8*s12*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*s24*z1*z2)/
    (4*s12*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (8*s12*s23*s234*s34*z12*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (4*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (16*s12*s124*s23*z14*z23) - (5*CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s134*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (4*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (4*s134*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (4*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (8*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (2*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (4*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (4*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (4*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (4*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (4*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (4*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z1*z2)/
    (8*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (8*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (8*s14*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (4*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s12*s123*z12*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/(8*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z2^2)/(8*s124*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s12*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(8*s12*s124*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(8*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(8*s12*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(8*s12*s123*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(8*s123*s23*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/(8*s12*s123*s23*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(8*s12*s234*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2^2)/(8*s12*s23*s234*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z2^2)/(4*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2^2)/(16*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z2^2)/(8*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2^2)/(16*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(4*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(16*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(16*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(2*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/(8*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(4*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/(8*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z2^2)/(8*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(4*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/(16*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(8*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/(16*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z2^2)/(8*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(4*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(8*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(4*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/(16*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(8*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/(16*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(2*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(8*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(2*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(8*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s134*s23*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*z3)/(2*s123*s23*z23) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (8*s123*s23*z23) - (CA*(CA - 2*CF)*s1234*z3)/(2*s124*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(8*s124*s23*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(2*s14*s23*s234*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(8*s14*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s12*s124*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(4*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3)/(2*s14*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/(8*s14*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s12*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(16*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(8*s12*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(8*s134*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/(8*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z3)/(16*s134*s14*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(2*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(8*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/(4*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z3)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(4*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/(16*s14*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(8*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(4*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/(8*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s12*s123*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s124*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(4*s12*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(4*s12*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(4*s12*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s134*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(16*s134*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(4*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(16*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(8*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/(16*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(16*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(4*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(8*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(4*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/(16*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(4*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(16*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(2*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(8*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(16*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(4*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(16*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3)/(8*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1)/(2*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (8*s124*s14*z34) + (CA*(CA - 2*CF)*s1234*z1)/(2*s134*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(8*s134*s14*z34) - 
   (CA*(CA - 2*CF)*s1234*z1)/(2*s12*s234*z34) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (8*s12*s234*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s124*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s124*s14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s134*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s134*s14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s123*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s123*s23*z34) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s123*s134*s23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(s123*s134*s23*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s134*s14*s23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s23*s234*z34) - (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s123*s23*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (s123*s23*s234*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (2*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s123*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s124*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (4*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (16*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (16*s12*s134*s14*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (8*s12*s123*s23*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s134*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s134*s23*s34*z34) + (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s123*s134*s23*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (s123*s134*s23*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s134*s14*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (16*s134*s14*s23*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s14*s24*z1)/
    (8*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z1)/
    (8*s12*s123*s23*s34*z34) + (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z1)/(s123*s134*s23*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z1)/
    (s123*s134*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1)/
    (8*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s234*s34*z34) - (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s123*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (s123*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s14*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (2*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (16*s12*s123*s23*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (16*s12*s23*s234*s34*z34) - (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s123*s23*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z1)/
    (s123*s23*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s14*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (16*s14*s23*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (4*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (16*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (2*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (8*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (4*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/
    (16*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (4*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (8*s134*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (8*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (4*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z1^2)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/
    (4*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1^2)/
    (16*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/
    (8*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (4*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/
    (16*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (8*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (8*s12*s123*s23*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z2)/
    (8*s12*s124*z34) + (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s124*z34) - 
   (CA*(CA - 2*CF)*s1234*z2)/(8*s12*s134*z34) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s12*s134*z34) - (CA*(CA - 2*CF)*s1234*z2)/(4*s124*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s134*s14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2)/(8*s134*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s134*s23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s123*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s123*s23*z34) - 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s123*s134*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(s123*s134*s23*z34) + (CA*(CA - 2*CF)*s1234*z2)/
    (8*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*z2)/(16*s23*s234*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s23*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s23*s234*z34) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s123*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(s123*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (4*s12*s124*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (2*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (16*s12*s123*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z2)/
    (4*s12*s124*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (16*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (8*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (16*s12*s134*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s134*s23*s34*z34) - (5*CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (8*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/
    (8*s12*s123*s23*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (8*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (16*s134*s23*s34*z34) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2)/(s123*s134*s23*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z2)/
    (s123*s134*s23*s34*z34) - (5*CA*(CA - 2*CF)*s1234*s14^2*z2)/
    (8*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14^2*z2)/
    (8*s12*s123*s23*s34*z34) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14^2*z2)/(s123*s134*s23*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14^2*z2)/
    (s123*s134*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z2)/
    (8*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*z2)/(8*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s234*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s234*s34*z34) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s123*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(s123*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s12*s124*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z2)/
    (2*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/
    (16*s12*s123*s23*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (16*s23*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*s24*z2)/
    (8*s12*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/
    (16*s12*s23*s234*s34*z34) + (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z2)/(s123*s23*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z2)/
    (s123*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s12*s134*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (2*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (4*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (4*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (2*s12*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (8*s12*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/(s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(4*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(2*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(8*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(2*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/(8*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(4*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(2*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(8*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(2*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(8*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(16*s12*s124*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z2)/(4*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(8*s134*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(16*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/(16*s12*s124*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/(16*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(4*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1*z2)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14^2*z1*z2)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/(16*s12*s124*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(4*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(16*s12*s124*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(4*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(2*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(4*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z2)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z2)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z2)/(8*s12*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(16*s12*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/(4*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(8*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(8*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/(16*s12*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z1*z2)/(8*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z2)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/(4*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/(16*s12*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/(8*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2^2)/(4*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(4*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(8*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(2*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/(8*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/(4*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2^2)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14^2*z2^2)/(4*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14^2*z2^2)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2^2)/(8*s12*s124*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z2^2)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/(16*s12*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z2^2)/(4*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/(8*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2^2)/(16*s12*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14^2*z2^2)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14^2*z2^2)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(8*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2^2)/(4*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z2^2)/(16*s12*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z2^2)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z2^2)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3)/(2*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (8*s124*s34*z34) - (CA*(CA - 2*CF)*s1234*z3)/(2*s134*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(8*s134*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(2*s12*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(8*s12*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s12*s134*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s124*s14*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(4*s12*s134*s14*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3)/(2*s12*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/(8*s12*s23*s234*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s12*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(8*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/(16*s12*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z3)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(2*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(8*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(4*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/(4*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z3)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(8*s12*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(4*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s12*s134*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s12*s134*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/(4*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(8*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/(8*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z3)/(16*s12*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/(8*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14^2*z2*z3)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(4*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(2*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(8*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/(4*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z3)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/(4*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14^2*z2*z3)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s12*s134*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/(8*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z2*z3)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/(4*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z2*z3)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s134*s14*s23*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s14*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s12*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s134*s14*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(8*s12*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(8*s14*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s134*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s12*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s134*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/(8*s12*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s12*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/(8*s12*s23*s234*s34*z23*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s124*s134*z12) + 
   (3*CA*(CA - 2*CF)*s1234*z4)/(8*s123*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s123*s14*z12) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s134*s14*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s124*s134*s14*z12) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s134*s14*z12) - (3*CA*(CA - 2*CF)*s1234*z4)/(8*s124*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s124*s23*z12) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z4)/(8*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s123*s14*s23*z12) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z4)/(8*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s124*s14*s23*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s123*s14*s23*z12) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s123*s134*s14*z12) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     z4)/(s123*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*z4)/(s123*s234*z12) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*z4)/(s123*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z4)/
    (s123*s23*s234*z12) - (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*z4)/
    (s124*s23*s234*z12) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s123*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (s123*s23*s234*z12) - (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z4)/(s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s14*z4)/(s124*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z4)/
    (s124*s134*s14*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s124*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s124*s14*s23*z12) - (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (s124*s23*s234*z12) - (3*CA*(CA - 2*CF)*s1234*z4)/(8*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s123*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s124*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s124*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z4)/(16*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(8*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(8*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(8*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s123*s23*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s234*s34*z12) - (CA*(CA - 2*CF)*s12*s1234*z4)/(8*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z4)/(8*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z4)/(8*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(8*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s134*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z4)/(8*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(8*s23*s234*s34*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s123*s124*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s123*s134*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s124*s14*z14) - (3*CA*(CA - 2*CF)*s1234*z4)/(8*s134*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s134*s14*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*z4)/(8*s123*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s123*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s124*s23*z14) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s124*s23*z14) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (16*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s12*s1234*z4)/
    (8*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (16*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (8*s134*s14*s23*z14) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (16*s134*s14*s23*z14) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s134*s14*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*z4)/
    (s134*s14*s234*z14) + (CA*(CA - 2*CF)*s12*s1234*z4)/
    (4*s14*s23*s234*z14) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (16*s14*s23*s234*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s123*s124*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s124*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*z4)/(8*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s124*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(8*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s134*s34*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z4)/(8*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s124*s14*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(8*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4)/(8*s134*s14*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/(16*s134*s14*s23*s34*z14) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s124*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(s124*s234*s34*z14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s134*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(s134*s234*s34*z14) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12^2*s1234*z4)/
    (s124*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s12^2*s1234*z4)/(s124*s14*s234*s34*z14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z4)/
    (s134*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s13*z4)/(s134*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(8*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s23*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s12^2*s1234*z4)/(8*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z4)/(8*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4)/(4*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/(16*s14*s23*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z4)/(8*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(4*s134*s14*s23*s34*z14) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z4)/
    (s124*s14*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s24*z4)/(s124*s14*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z4)/(8*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/(8*s14*s23*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z4)/
    (s123*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s34*z4)/
    (8*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (8*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (8*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (8*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*z4)/(4*s12*s124*z23) - 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s123*s14*z23) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s123*s14*z23) - (3*CA*(CA - 2*CF)*s1234*z4)/(8*s124*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s124*s14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s12*s123*s14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z4)/(8*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(4*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s124*s14*s23*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(2*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s134*s14*s23*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z4)/(8*s23*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s23*s234*z23) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s134*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (8*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (16*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*z4)/(8*s123*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s123*s34*z23) - 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s134*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(s123*s134*s34*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (8*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (16*s134*s14*s34*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (8*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (16*s123*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s123*s23*s34*z23) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12^2*s1234*z4)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12^2*s1234*z4)/
    (s123*s134*s23*s34*z23) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13*z4)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z4)/
    (s123*s134*s23*s34*z23) - (5*CA*(CA - 2*CF)*s12^2*s1234*z4)/
    (8*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12^2*s1234*z4)/
    (8*s134*s14*s23*s34*z23) - (5*CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (8*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/
    (8*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*z4)/(8*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s234*s34*z23) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s134*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(s134*s234*s34*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (8*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (16*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z4)/
    (2*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/
    (16*s134*s14*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s23*s234*s34*z23) + (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z4)/(s134*s23*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z4)/
    (s134*s23*s234*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s24*z4)/
    (8*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/
    (16*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s34*z4)/
    (8*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (2*s12*s123*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (4*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (8*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (2*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (8*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (4*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (16*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (4*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (2*s14*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (8*s14*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s12*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (16*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (4*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12^2*s1234*z1*z4)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z1*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (4*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (2*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (2*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (2*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z1*z4)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (4*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (2*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (8*s14*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (8*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s24*z1*z4)/
    (8*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (8*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (4*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (8*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (4*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (4*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z4)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s123*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s124*s14*s23*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (4*s12*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (4*s12*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (2*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (8*s123*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (8*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (4*s134*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s134*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (4*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (2*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (4*s12*s124*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (4*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (4*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (16*s134*s23*s34*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s134*s23*s34*z14*z23) - (5*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/
    (2*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (2*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (2*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (16*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12^2*s1234*z2*z4)/
    (8*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/
    (8*s14*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (4*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/
    (8*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (4*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (2*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z2*z4)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (4*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (2*s12*s123*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (4*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (4*s12*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (2*s123*s23*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (4*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (2*s12*s123*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (4*s12*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2*z4)/
    (4*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2*z4)/
    (4*s124*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (2*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (4*s124*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z4)/
    (4*s12*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z1*z2*z4)/
    (2*s12*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (4*s12*s123*s14*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (4*s12*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (4*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (2*s124*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/
    (4*s12*s123*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/(4*s12*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z4)/(4*s12*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(4*s12*s123*s14*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(4*s12*s124*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(4*s123*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(4*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2*z4)/(4*s12*s123*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2*z4)/(4*s12*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(16*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(8*s134*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3*z4)/(16*s134*s14*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3*z4)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(2*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(8*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/(4*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3*z4)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(4*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3*z4)/(16*s14*s23*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3*z4)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(4*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3*z4)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(8*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s124*s14*z34) + (CA*(CA - 2*CF)*s1234*z4)/(8*s134*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s134*s14*z34) - 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s123*s23*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s123*s134*s23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*z4)/
    (s123*s134*s23*z34) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (8*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*s1234*z4)/(8*s23*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s23*s234*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(s123*s23*s234*z34) + (CA*(CA - 2*CF)*s12*s1234*z4)/
    (8*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*z4)/(2*s123*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(16*s123*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s124*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(8*s12*s123*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(8*s134*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s134*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s124*s14*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s124*s14*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s134*s14*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s134*s14*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z4)/(2*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z4)/(8*s12*s123*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(8*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(8*s134*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s134*s23*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z4)/
    (s123*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s13*z4)/(s123*s134*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4)/(8*s134*s14*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/(16*s134*s14*s23*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z4)/(8*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z4)/(8*s123*s23*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z4)/
    (s123*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s14*z4)/(s123*s134*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(4*s12*s124*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s124*s14*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s123*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z4)/
    (s123*s234*s34*z34) + (CA*(CA - 2*CF)*s12*s1234*z4)/
    (8*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z4)/
    (4*s12*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (8*s12*s124*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (2*s12*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (8*s12*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (2*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (2*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (8*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (4*s12*s123*s23*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s23*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z4)/(s123*s23*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z4)/
    (s123*s23*s234*s34*z34) + (CA*(CA - 2*CF)*s12*s1234*s24*z4)/
    (8*s14*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/
    (16*s14*s23*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z4)/
    (4*s12*s23*s234*s34*z34) - (5*CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (4*s12*s123*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (2*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (8*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (4*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (16*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (4*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (8*s134*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (16*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (4*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (4*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (8*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (4*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (4*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (16*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (16*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (16*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (16*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (4*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (4*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z1*z4)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (4*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (4*s134*s14*s23*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (4*s14*s23*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s134*s14*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s134*s14*s23*z14*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s14*s23*s234*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (4*s134*s23*s34*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*s13*z1*z4)/
    (4*s134*s14*s23*s34*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (4*s14*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s124*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s134*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s124*s14*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (8*s12*s134*s14*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s134*s23*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (8*s134*s14*s23*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s14*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*s24*z1*z4)/
    (4*s14*s23*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (8*s12*s124*s14*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (8*s14*s23*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (4*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s123*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (8*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (2*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (2*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (8*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (4*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (4*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (2*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (8*s123*s23*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s123*s23*s34*z12*z34) - (5*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (2*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (4*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/
    (16*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/
    (2*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z4)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (4*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (8*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (8*s12*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (4*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (8*s23*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (8*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/
    (16*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14^2*z2*z4)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (4*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (4*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (16*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (2*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (8*s12*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (16*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z2*z4)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s12*s134*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s12*s134*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s134*s23*z14*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s23*s234*z14*z34) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s124*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s12*s124*s34*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s134*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s124*s14*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (4*s12*s134*s14*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (8*s12*s124*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (8*s12*s134*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s134*s23*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (8*s134*s23*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s12*s124*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (4*s12*s124*s14*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s23*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (4*s12*s134*z12*z14*z34) + (CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (2*s134*s14*z12*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (4*s12*s134*s14*z12*z14*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/
    (4*s12*s134*s14*z12*z14*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (4*s12*s134*s14*z12*z14*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (4*s124*s34*z12*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (4*s12*s124*s34*z12*z14*z34) + (CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (2*s134*s34*z12*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (2*s12*s134*s34*z12*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*z1*z2*z4)/
    (2*s124*s14*s34*z12*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (4*s124*s14*s34*z12*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (2*s134*s14*s34*z12*z14*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z4)/
    (4*s12*s134*s14*s34*z12*z14*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z2*z4)/
    (4*s12*s124*s34*z12*z14*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z2*z4)/
    (4*s12*s134*s34*z12*z14*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/
    (4*s12*s124*s34*z12*z14*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/
    (4*s12*s134*s34*z12*z14*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/
    (4*s124*s14*s34*z12*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z1*z2*z4)/
    (4*s12*s134*s14*s34*z12*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (2*s12*s124*s34*z12*z14*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (4*s12*s134*s34*z12*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (4*s124*s14*s34*z12*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/
    (4*s12*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/(4*s12*s134*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z2*z4)/(4*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z4)/(4*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(8*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(2*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(8*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(4*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(4*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(4*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(4*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(4*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s134*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(8*s134*s14*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s14*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(8*s14*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(4*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(4*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(16*s134*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(8*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(2*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(8*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12^2*s1234*z4^2)/(4*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z4^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(4*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z4^2)/(4*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(8*s23*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12^2*s1234*z4^2)/(8*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z4^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(8*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z4^2)/(4*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z4^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z4^2)/(8*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z4^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z4^2)/(8*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(16*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(4*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(16*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(4*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(8*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(2*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(8*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(4*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(4*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(4*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z4^2)/(8*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(4*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(8*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(8*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(8*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z4^2)/(8*s14*s23*s234*s34*z14*z34)) + 
 k2k2*(-((CA*(CA - 2*CF)*s1234)/(s12*s123)) + (CA*(CA - 2*CF)*D*s1234)/
    (2*s12*s123) - (CA*(CA - 2*CF)*D^2*s1234)/(16*s12*s123) + 
   (2*CA*(CA - 2*CF)*s1234)/(s12*s124) - (3*CA*(CA - 2*CF)*D*s1234)/
    (4*s12*s124) + (CA*(CA - 2*CF)*D^2*s1234)/(16*s12*s124) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s12*s123*s124) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s12*s123*s124) + (3*CA*(CA - 2*CF)*s1234)/(2*s12*s134) - 
   (5*CA*(CA - 2*CF)*D*s1234)/(8*s12*s134) + (CA*(CA - 2*CF)*D^2*s1234)/
    (16*s12*s134) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s124*s134) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s124*s134) - (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/
    (s12*s123*s134) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13)/(s12*s123*s134) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s12*s124*s134) + (CA*(CA - 2*CF)*s1234)/(2*s124*s14) - 
   (CA*(CA - 2*CF)*D*s1234)/(8*s124*s14) - (3*CA*(CA - 2*CF)*s1234*s13)/
    (4*s12*s134*s14) + (CA*(CA - 2*CF)*D*s1234*s13)/(8*s12*s134*s14) - 
   (CA*(CA - 2*CF)*s1234)/(s123*s23) + (CA*(CA - 2*CF)*D*s1234)/
    (2*s123*s23) - (CA*(CA - 2*CF)*D^2*s1234)/(16*s123*s23) - 
   (7*CA*(CA - 2*CF)*s1234*s13)/(2*s12*s123*s23) + 
   (5*CA*(CA - 2*CF)*D*s1234*s13)/(4*s12*s123*s23) - 
   (CA*(CA - 2*CF)*D^2*s1234*s13)/(8*s12*s123*s23) - 
   (3*CA*(CA - 2*CF)*s1234*s13)/(2*s12*s124*s23) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(2*s12*s124*s23) - 
   (CA*(CA - 2*CF)*D^2*s1234*s13)/(16*s12*s124*s23) + 
   (3*CA*(CA - 2*CF)*s1234)/(2*s134*s23) - (5*CA*(CA - 2*CF)*D*s1234)/
    (8*s134*s23) + (CA*(CA - 2*CF)*D^2*s1234)/(16*s134*s23) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s134*s23) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s134*s23) - (CA*(CA - 2*CF)*s1234*s13)/(4*s134*s14*s23) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(8*s134*s14*s23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14)/
    (s12*s123*s124*s23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s14)/(s12*s123*s124*s23) + 
   (24*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s134*s23) - 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s123*s134*s23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(s123*s134*s23) + (16*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234)/(s124*s234) - (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234)/(s124*s234) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s134*s234) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s134*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/
    (s134*s14*s234) - (16*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14)/(s12*s123*s234) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14)/(s12*s123*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s14)/(s12*s123*s234) + (2*CA*(CA - 2*CF)*s1234)/(s23*s234) - 
   (3*CA*(CA - 2*CF)*D*s1234)/(4*s23*s234) + (CA*(CA - 2*CF)*D^2*s1234)/
    (16*s23*s234) - (3*CA*(CA - 2*CF)*s1234*s13)/(2*s12*s23*s234) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(2*s12*s23*s234) - 
   (CA*(CA - 2*CF)*D^2*s1234*s13)/(16*s12*s23*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s23*s234) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s23*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/
    (s134*s23*s234) + (CA*(CA - 2*CF)*D*s1234*s13)/(8*s14*s23*s234) + 
   (3*CA*(CA - 2*CF)*s1234*s14)/(2*s12*s23*s234) - 
   (3*CA*(CA - 2*CF)*D*s1234*s14)/(8*s12*s23*s234) + 
   (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s23*s234) - 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s123*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(s123*s23*s234) - (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14)/(s12*s123*s23*s234) + 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14)/
    (s12*s123*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s14)/(s12*s123*s23*s234) - 
   (24*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14)/
    (s12*s124*s23*s234) + (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s14)/(s12*s124*s23*s234) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s14)/
    (s12*s124*s23*s234) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14)/(s134*s23*s234) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14)/(s134*s23*s234) - (5*CA*(CA - 2*CF)*s1234*s13*s24)/
    (4*s12*s124*s14*s23) + (5*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s12*s124*s14*s23) - (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (16*s12*s124*s14*s23) - (20*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s124*s23*s234) + 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s124*s23*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s24)/(s12*s124*s23*s234) + (CA*(CA - 2*CF)*D*s1234*s13)/
    (8*s12*s124*s34) - (CA*(CA - 2*CF)*s1234*s13)/(4*s12*s134*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(8*s12*s134*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s124*s134*s34) - 
   (CA*(CA - 2*CF)*s1234*s14)/(2*s12*s123*s34) + (CA*(CA - 2*CF)*D*s1234*s14)/
    (8*s12*s123*s34) - (3*CA*(CA - 2*CF)*s1234*s13)/(4*s134*s23*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(8*s134*s23*s34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s14)/(4*s12*s123*s23*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14)/(4*s12*s123*s23*s34) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14)/
    (s123*s134*s23*s34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s14)/(s123*s134*s23*s34) + (CA*(CA - 2*CF)*s1234)/
    (2*s234*s34) - (CA*(CA - 2*CF)*D*s1234)/(8*s234*s34) + 
   (CA*(CA - 2*CF)*s1234*s14)/(s12*s234*s34) - (CA*(CA - 2*CF)*D*s1234*s14)/
    (2*s12*s234*s34) + (CA*(CA - 2*CF)*D^2*s1234*s14)/(16*s12*s234*s34) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s234*s34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s123*s234*s34) + (CA*(CA - 2*CF)*s1234*s13*s24)/(4*s12*s124*s14*s34) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s124*s14*s234*s34) - (5*CA*(CA - 2*CF)*s1234*s13*s24)/
    (4*s12*s23*s234*s34) + (5*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s12*s23*s234*s34) - (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (16*s12*s23*s234*s34) + (CA*(CA - 2*CF)*s1234*s13*s24)/
    (4*s14*s23*s234*s34) + (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34)/(s12*s123*s124) - 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s12*s123*s124) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(s12*s123*s124) + (24*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34)/(s12*s123*s134) - 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s12*s123*s134) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(s12*s123*s134) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34)/(s12*s124*s134) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s12*s124*s134) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/
    (s123*s124*s14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34)/(s123*s124*s14) - (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34)/(s12*s123*s134*s14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34)/
    (s12*s123*s134*s14) + (3*CA*(CA - 2*CF)*s1234*s34)/(2*s12*s124*s23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s34)/(8*s12*s124*s23) - 
   (16*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s124*s23) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s123*s124*s23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(s123*s124*s23) - (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34)/(s12*s123*s124*s23) + 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34)/
    (s12*s123*s124*s23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s34)/(s12*s123*s124*s23) - (CA*(CA - 2*CF)*s1234*s34)/
    (2*s123*s14*s23) + (CA*(CA - 2*CF)*D*s1234*s34)/(8*s123*s14*s23) + 
   (CA*(CA - 2*CF)*s1234*s34)/(s124*s14*s23) - (CA*(CA - 2*CF)*D*s1234*s34)/
    (2*s124*s14*s23) + (CA*(CA - 2*CF)*D^2*s1234*s34)/(16*s124*s14*s23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s34)/(4*s12*s123*s14*s23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34)/(4*s12*s123*s14*s23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34)/
    (s12*s123*s23*s234) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34)/(s12*s123*s23*s234) - 
   (24*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34)/
    (s12*s124*s23*s234) + (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34)/(s12*s124*s23*s234) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s34)/
    (s12*s124*s23*s234) + (16*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*s34)/(s12*s124*s23*s234) - 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s34)/
    (s12*s124*s23*s234) - (CA*(CA - 2*CF)*s1234*z1)/(8*s12*s123*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s12*s123*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z1)/(8*s12*s124*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s12*s124*z12) - 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s134*z12) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s12*s134*z12) + (CA*(CA - 2*CF)*s1234*z1)/(8*s124*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s124*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s134*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s134*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s123*s23*z12) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s123*s23*z12) + (3*CA*(CA - 2*CF)*s1234*s13*z1)/
    (8*s12*s123*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (16*s12*s123*s23*z12) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (8*s12*s134*s14*z12) - (CA*(CA - 2*CF)*s1234*z1)/(2*s12*s234*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(16*s12*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s23*s234*z12) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s23*s234*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (16*s12*s23*s234*z12) - (3*CA*(CA - 2*CF)*s1234*s14*z1)/
    (8*s12*s23*s234*z12) + (CA*(CA - 2*CF)*D*s1234*s14*z1)/
    (8*s12*s23*s234*z12) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s124*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s124*s14*z12) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s12*s134*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s134*s14*z12) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s23*s234*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (8*s12*s23*s234*z12) - (CA*(CA - 2*CF)*s1234*s13*z1)/
    (2*s12*s124*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (8*s12*s124*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*z1)/
    (4*s12*s134*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (8*s12*s134*s34*z12) + (CA*(CA - 2*CF)*s1234*s14*z1)/
    (4*s12*s123*s34*z12) + (CA*(CA - 2*CF)*s1234*s13*s14*z1)/
    (4*s12*s123*s23*s34*z12) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (4*s12*s134*s34*z12) - (CA*(CA - 2*CF)*s1234*s14*z1)/
    (2*s12*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s14*z1)/
    (8*s12*s234*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (2*s12*s124*s14*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (8*s12*s124*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (2*s12*s134*s14*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (8*s12*s134*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s12*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (8*s12*s234*s34*z12) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (4*s12*s23*s234*s34*z12) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s12*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s12*s123*s14*z12) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s12*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s12*s124*s23*z12) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s123*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s123*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s124*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s124*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*s34*z1)/
    (8*s12*s123*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/
    (16*s12*s123*s14*s23*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s12*s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (s12*s123*s234*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s123*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (s123*s23*s234*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s34*z1)/(s124*s23*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z1)/
    (s12*s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34*z1)/(s12*s123*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z1)/
    (s12*s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s34*z1)/(s12*s124*s23*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1)/(8*s12*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/(16*s12*s124*s14*s23*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1)/
    (s12*s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24*s34*z1)/(s12*s124*s23*s234*z12) - (3*CA*(CA - 2*CF)*s1234*z1)/
    (8*s12*s124*z14) + (CA*(CA - 2*CF)*D*s1234*z1)/(16*s12*s124*z14) + 
   (3*CA*(CA - 2*CF)*s1234*z1)/(8*s12*s134*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s12*s134*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z1)/(8*s124*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s124*s14*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s134*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s134*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s134*s23*z14) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s134*s23*z14) + (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s134*s14*s23*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s124*s234*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s134*s234*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z1)/
    (s124*s14*s234*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z1)/(s134*s14*s234*z14) + (CA*(CA - 2*CF)*s1234*z1)/
    (8*s23*s234*z14) - (CA*(CA - 2*CF)*D*s1234*z1)/(16*s23*s234*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(8*s14*s23*s234*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s14*s23*s234*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s124*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s124*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(4*s12*s124*s14*s23*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s124*s14*s234*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s14*s23*s234*z14) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s12*s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s34*z1)/(s12*s123*s124*z14) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s12*s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(s12*s123*s134*z14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s123*s124*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(s123*s124*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s12*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s12*s134*s14*z14) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z1)/(s12*s123*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z1)/
    (s12*s123*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s12*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s12*s123*s23*z14) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s12*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s12*s124*s23*z14) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (4*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s124*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s13*s34*z1)/
    (8*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/
    (8*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s134*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s134*s14*s23*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s134*s14*s234*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s14*s23*s234*z14) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1)/(s12*s123*s124*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (s12*s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (4*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (8*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (16*s12*s124*s14*s23*z14) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34^2*z1)/(s12*s123*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34^2*z1)/
    (s12*s123*s134*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s34^2*z1)/
    (8*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34^2*z1)/
    (8*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s12*s124*z12*z14) - (CA*(CA - 2*CF)*s1234*z1^2)/(8*s12*s134*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*z1^2)/(8*s124*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1^2)/(8*s12*s134*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1^2)/(8*s12*s124*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1^2)/(8*s12*s123*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z1^2)/(8*s12*s134*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z1^2)/(8*s12*s124*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1^2)/(8*s123*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z1^2)/(8*s124*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1^2)/(8*s12*s123*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/(8*s12*s124*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*z2)/(2*s12*s124*z12) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (8*s12*s124*z12) - (CA*(CA - 2*CF)*s1234*z2)/(2*s12*s134*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(8*s12*s134*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s134*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s123*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(2*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(8*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2)/(2*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/(8*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(4*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(2*s12*s124*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(8*s12*s124*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(4*s12*s124*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(4*s12*s134*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(4*s124*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(4*s12*s134*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(4*s12*s124*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(4*s12*s134*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s12*s123*z23) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s12*s123*z23) - (3*CA*(CA - 2*CF)*s1234*z1)/(8*s134*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s134*s14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z1)/(8*s123*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s123*s23*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s123*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s123*s23*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(8*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s134*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z1)/(8*s12*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s12*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s14*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s14*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s134*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s134*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s23*s234*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(8*s14*s23*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s14*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s134*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s14*s234*s34*z23) + (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s12*s123*s124*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (s12*s123*s124*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s12*s123*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s12*s123*s14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s12*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s12*s124*s14*z23) + (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (s123*s124*s23*z23) + (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s34*z1)/(s12*s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z1)/
    (s12*s123*s124*s23*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (2*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s124*s14*s23*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s34*z1)/
    (8*s12*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/
    (16*s12*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z1)/
    (2*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/
    (16*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (4*s134*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s134*s14*s23*z23) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s12*s124*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (s12*s124*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s12*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s12*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s14*s23*s234*z23) - (5*CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (8*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (8*s12*s124*s14*s23*z23) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1)/(s12*s124*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (s12*s124*s23*s234*z23) - (5*CA*(CA - 2*CF)*s1234*s34^2*z1)/
    (8*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s34^2*z1)/
    (8*s12*s124*s14*s23*z23) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34^2*z1)/(s12*s124*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34^2*z1)/
    (s12*s124*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (4*s134*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1^2)/
    (8*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (8*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s134*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (4*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (8*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (2*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (8*s12*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (4*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (16*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s34*z1^2)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z1^2)/
    (4*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z1^2)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (8*s134*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/
    (4*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1^2)/
    (16*s12*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34^2*z1^2)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34^2*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34^2*z1^2)/
    (4*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34^2*z1^2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (4*s12*s123*s23*z23) - (CA*(CA - 2*CF)*s1234*z2)/(2*s134*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(8*s134*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*z2)/(2*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (8*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s14*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s134*s23*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(4*s14*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(2*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(8*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2)/(2*s12*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/(8*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s12*s123*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s123*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s12*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s12*s23*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s12*s123*s14*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s12*s124*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s124*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(8*s12*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(8*s12*s124*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(4*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z2)/(8*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(2*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(8*s12*s123*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/(4*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(8*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(4*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(16*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(16*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(4*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z2)/(16*s12*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z2)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(4*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z2)/(16*s12*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/(4*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34^2*z1*z2)/(16*s12*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34^2*z1*z2)/(16*s12*s124*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z3)/(8*s12*s123*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s12*s123*z12) - 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*z3)/
    (8*s123*s23*z12) - (CA*(CA - 2*CF)*D*s1234*z3)/(16*s123*s23*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(8*s124*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s124*s23*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(8*s12*s123*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s12*s123*s23*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(8*s12*s124*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s12*s124*s23*z12) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s12*s123*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(s12*s123*s234*z12) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(s123*s23*s234*z12) - 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(s124*s23*s234*z12) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z3)/
    (s12*s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s14*z3)/(s12*s123*s23*s234*z12) - 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14^2*z3)/
    (s12*s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14^2*z3)/(s12*s124*s23*s234*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s12*s124*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s12*s124*s23*z12) - 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z3)/
    (s12*s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s24*z3)/(s12*s124*s23*s234*z12) - (CA*(CA - 2*CF)*s1234*z3)/
    (8*s124*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z3)/(16*s124*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(8*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(8*s12*s134*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(8*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(8*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(4*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s12*s134*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(8*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s123*s23*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z3)/(8*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/(16*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z3)/(8*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(2*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(8*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z3)/(2*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/(16*s12*s23*s234*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s14^2*z3)/(8*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14^2*z3)/(8*s12*s23*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s124*s14*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s14*s24*z3)/(8*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/(8*s12*s23*s234*s34*z12) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s124*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(s123*s124*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(8*s12*s134*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s12*s134*z14) - 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z3)/(s12*s123*s134*z14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s12*s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(s12*s123*s124*z14) - 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(s12*s123*s134*z14) - (CA*(CA - 2*CF)*s1234*z3)/
    (4*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*z3)/(16*s123*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(8*s124*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s124*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(8*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(8*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*z3)/(8*s134*s23*z14) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s134*s23*z14) - (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s12*s124*s23*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s134*s234*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s23*s234*z14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s12*s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(s12*s123*s124*z14) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (4*s12*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s123*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s124*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s124*s23*z14) + (3*CA*(CA - 2*CF)*s1234*z3)/(8*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s124*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(8*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s12*s134*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(8*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s12*s124*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(8*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(8*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s134*s23*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s134*s23*s34*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s124*s234*s34*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z3)/(s134*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s124*s234*s34*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z3)/(s134*s234*s34*z14) + (CA*(CA - 2*CF)*s12*s1234*z3)/
    (8*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s14*z3)/
    (8*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (16*s23*s234*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s124*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s124*s34*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s124*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s23*s234*s34*z14) - (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z3)/(s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s34*z3)/(s12*s123*s134*z14) - (3*CA*(CA - 2*CF)*s1234*s34*z3)/
    (8*s12*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z3)/
    (8*s12*s123*s23*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s12*s123*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s12*s134*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s123*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s12*s123*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (8*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (8*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (8*s12*s134*s34*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (4*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (4*s12*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*z3)/
    (8*s12*s123*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/(16*s12*s123*z23) - 
   (CA*(CA - 2*CF)*s1234*z3)/(8*s12*s124*z23) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s12*s124*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z3)/(s12*s123*s124*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*z3)/(8*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s123*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*z3)/(2*s124*s23*z23) + (3*CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s124*s23*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (8*s12*s123*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s12*s123*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s12*s124*s23*z23) - (CA*(CA - 2*CF)*s1234*z3)/(4*s134*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s134*s23*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(4*s134*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(4*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(8*s134*s14*s23*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(s123*s124*s23*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z3)/
    (s12*s123*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s14*z3)/(s12*s123*s124*s23*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s12*s124*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(s12*s124*s234*z23) - (3*CA*(CA - 2*CF)*s1234*z3)/
    (8*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z3)/(16*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(2*s14*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(8*s14*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s12*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s12*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s12*s124*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(8*s12*s124*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(8*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(4*s12*s124*s14*s23*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z3)/
    (s12*s124*s23*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s24*z3)/(s12*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*z3)/
    (8*s134*s34*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/(16*s134*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s12*s123*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s12*s123*s34*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(8*s134*s23*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(8*s134*s23*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s123*s23*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s123*s23*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z3)/(8*s12*s123*s23*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/(16*s12*s123*s23*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*z3)/(8*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s12*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s12*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s134*s23*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s134*s23*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(2*s134*s14*s23*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(8*s134*s14*s23*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(2*s14*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(8*s14*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3)/(8*s12*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/(16*s12*s23*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z3)/(8*s12*s124*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z3)/(8*s12*s124*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3)/(4*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z3)/(2*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z3)/(8*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z3)/(4*s12*s123*s14*s23*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z3)/
    (s12*s124*s23*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s34*z3)/(s12*s124*s23*s234*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z3)/(8*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(16*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(4*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(16*s124*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/(8*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(16*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(4*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(16*s12*s124*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z3)/(8*s134*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(8*s134*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3)/(8*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/(16*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(8*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(16*s134*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z1*z3)/(4*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/(8*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3)/(2*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/(8*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(2*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(8*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3)/(4*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(4*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(16*s14*s23*s234*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(16*s12*s123*s23*z14*z23) + 
   (5*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s12*s124*s23*z14*z23) - 
   (5*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(16*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(2*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(8*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(2*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(16*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(4*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(2*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3)/(8*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(8*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3)/(4*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3)/(8*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/(16*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3)/(4*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/(16*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3)/(8*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z3)/(8*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3)/(8*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/(16*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3)/(4*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/(8*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/(2*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z3)/(8*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34^2*z1*z3)/(8*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s12*s123*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s124*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s12*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s12*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s12*s124*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s12*s123*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s123*s23*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/(8*s12*s123*s23*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s12*s234*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/(8*s12*s23*s234*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(16*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(16*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(4*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(16*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(16*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(2*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(8*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(4*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(8*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(4*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(16*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(16*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(8*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(4*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3)/(4*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/(16*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3)/(8*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/(16*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(8*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s134*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(16*s134*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(4*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(4*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(16*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(8*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(16*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(8*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/(16*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(4*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/(8*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(4*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(16*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(4*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/(16*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(2*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/(8*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(16*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(4*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(16*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3^2)/(8*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s123*z34) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s12*s123*z34) + (CA*(CA - 2*CF)*D*s1234*z1)/(16*s12*s124*z34) - 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s12*s134*z34) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s12*s134*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     z1)/(s124*s134*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (16*s12*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*s13*z1)/
    (8*s12*s134*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (16*s12*s134*s14*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z1)/(s124*s134*s14*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z1)/
    (8*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (8*s12*s123*s23*z34) - (3*CA*(CA - 2*CF)*s1234*z1)/(8*s134*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s134*s23*z34) - 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s134*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(s123*s134*s23*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z1)/
    (8*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (16*s134*s14*s23*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z1)/
    (8*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1)/
    (8*s12*s123*s23*z34) - (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z1)/(s123*s134*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s14*z1)/(s123*s134*s23*z34) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (8*s12*s124*s14*z34) - (3*CA*(CA - 2*CF)*s1234*z1)/(8*s12*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s12*s234*z34) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(s123*s234*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z1)/(8*s14*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s14*s234*z34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s124*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s123*s23*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s124*s14*s234*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s23*s234*z34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s123*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (s123*s23*s234*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s12*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s12*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s12*s134*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s12*s134*s14*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s124*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s12*s123*s23*z34) - (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s123*s134*s23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (s123*s134*s23*z34) - (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s134*s14*s23*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s124*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s12*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s12*s23*s234*z34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s123*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (s123*s23*s234*z34) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s12*s123*z12*z34) - (CA*(CA - 2*CF)*s1234*z1^2)/(4*s12*s124*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1^2)/(16*s12*s124*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1^2)/(8*s12*s134*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1^2)/(16*s12*s134*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1^2)/(4*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/(16*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1^2)/(8*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/(16*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1^2)/(8*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1^2)/(8*s12*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1^2)/(4*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/(16*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1^2)/(8*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/(16*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1^2)/(4*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/(16*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1^2)/(8*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/(16*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1^2)/(8*s12*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1^2)/(2*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/(8*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1^2)/(4*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/(8*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z1^2)/(4*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s23*s234*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(2*s12*s23*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(8*s12*s23*s234*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(4*s12*s123*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(16*s12*s123*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s12*s124*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(4*s12*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(16*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(4*s12*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/(16*s12*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(8*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s12*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(16*s12*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(16*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/(16*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(4*s12*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(16*s12*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(16*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(4*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(2*s12*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(8*s12*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(4*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(8*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3)/(8*s12*s124*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s12*s124*z34) + (CA*(CA - 2*CF)*s1234*z3)/(8*s12*s134*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s12*s134*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s124*s134*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z3)/(8*s134*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s134*s23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s12*s123*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s12*s123*s23*z34) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s134*s23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(s123*s134*s23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s124*s234*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(8*s23*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s23*s234*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s12*s23*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s12*s23*s234*z34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(s123*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s12*s124*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (8*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s12*s134*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3)/(s124*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z3)/
    (4*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (16*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (16*s12*s124*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z3)/
    (8*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (16*s12*s134*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s124*s134*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (8*s134*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s134*s23*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s14*z3)/
    (8*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/
    (8*s12*s123*s23*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (8*s134*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (16*s134*s23*s34*z34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z3)/(s123*s134*s23*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z3)/
    (s123*s134*s23*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14^2*z3)/
    (8*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14^2*z3)/
    (8*s12*s123*s23*s34*z34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14^2*z3)/(s123*s134*s23*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14^2*z3)/
    (s123*s134*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s23*z3)/
    (8*s12*s124*s34*z34) - (3*CA*(CA - 2*CF)*s1234*z3)/(8*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s234*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(8*s12*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s12*s234*s34*z34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(s123*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z3)/
    (s124*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (4*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/
    (16*s12*s123*s23*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s124*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (8*s12*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/
    (16*s12*s23*s234*s34*z34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z3)/(s123*s23*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z3)/
    (s123*s23*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s12*s123*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s12*s123*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (2*s12*s124*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (8*s12*s124*z12*z34) + (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s12*s134*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (8*s12*s134*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s12*s134*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (8*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (8*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (4*s12*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s12*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (4*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (4*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s134*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s12*s123*s23*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s23*s234*z12*z34) - (5*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (4*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (4*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (8*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z1*z3)/
    (8*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14^2*z1*z3)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (4*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (8*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (2*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (8*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (2*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/
    (2*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z3)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (2*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (4*s12*s134*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (4*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (8*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (2*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s12*s124*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (2*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (8*s12*s123*s23*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (4*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/
    (4*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14^2*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (8*s12*s124*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (16*s12*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14^2*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (4*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s12*s123*z23*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s123*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s12*s123*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s134*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s134*s14*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s12*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s14*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s134*s14*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s23*s234*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s14*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (4*s134*s14*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s14*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (4*s14*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s134*s14*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s12*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s14*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s134*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (4*s134*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (4*s23*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*z3^2)/
    (4*s12*s134*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (4*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/
    (8*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (2*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/
    (8*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z3^2)/
    (8*s12*s134*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (8*s12*s134*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s14*z3^2)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z3^2)/
    (16*s12*s123*s23*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14^2*z3^2)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14^2*z3^2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z3^2)/
    (8*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (4*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z3^2)/
    (4*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z3^2)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14^2*z3^2)/
    (4*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14^2*z3^2)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (8*s12*s134*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z3^2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/
    (4*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z3^2)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z3^2)/
    (8*s134*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*z3^2)/(8*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(8*s12*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(8*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(8*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(8*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z3^2)/(8*s12*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(8*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(8*s12*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/(8*s12*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z4)/(2*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (8*s124*s14*z12) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s123*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s12*s123*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*z4)/(2*s134*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (8*s134*s14*z12) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s12*s124*s23*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s123*s14*s23*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s124*s14*s23*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/(8*s12*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(16*s12*s123*s14*s23*z12) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s12*s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(s12*s123*s234*z12) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(s123*s23*s234*z12) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(s124*s23*s234*z12) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z4)/
    (s12*s123*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2*z4)/(s12*s123*s23*s234*z12) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z4)/
    (s12*s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s14*z4)/(s12*s124*s23*s234*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s12*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s12*s124*s14*s23*z12) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z4)/
    (s12*s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z4)/(s12*s124*s23*s234*z12) - (CA*(CA - 2*CF)*s1234*z4)/
    (2*s123*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z4)/(8*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s12*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s12*s134*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(8*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/(8*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(16*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4)/(8*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(2*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s12*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(2*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(16*s12*s23*s234*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s13*s14*z4)/(8*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z4)/(8*s12*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(4*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s12*s134*s14*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(8*s12*s23*s234*s34*z12) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s12*s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(s12*s123*s124*z14) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s12*s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(s12*s123*s134*z14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s124*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(s123*s124*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s12*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s12*s134*s14*z14) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z4)/(s12*s123*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z4)/
    (s12*s123*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s12*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s12*s123*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s12*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s12*s124*s23*z14) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (4*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s124*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (8*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (8*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s134*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s134*s14*s23*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s134*s14*s234*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s14*s23*s234*z14) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s12*s123*s124*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (s12*s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (4*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s12*s124*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s12*s124*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s12*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s12*s134*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s124*s14*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (8*s12*s134*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (16*s12*s134*s14*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s134*s23*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s134*s23*s34*z14) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (8*s134*s14*s23*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (16*s134*s14*s23*s34*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s124*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s134*s234*s34*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z4)/(s124*s14*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z4)/
    (s134*s14*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (8*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (16*s14*s23*s234*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s34*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s124*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s14*s23*s234*s34*z14) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z4)/
    (s12*s123*s134*s14*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34*z4)/(s12*s123*s134*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z4)/(2*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z4)/(8*s124*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z4)/(8*s12*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z4)/(8*s12*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s12*s123*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s12*s134*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s12*s124*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s123*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s124*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/(8*s12*s123*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(8*s12*s124*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s12*s124*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s12*s134*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s124*s14*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/(8*s12*s134*s14*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(8*s12*s124*s14*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(4*s12*s123*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(4*s12*s124*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(4*s123*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(4*s124*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z4)/(4*s12*s123*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z4)/(4*s12*s124*s14*s23*z12*z14) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s12*s123*s124*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*z4)/
    (2*s123*s14*z23) + (CA*(CA - 2*CF)*D*s1234*z4)/(8*s123*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s12*s123*s14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s124*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s12*s124*s14*z23) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s124*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(s123*s124*s23*z23) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z4)/
    (s12*s123*s124*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2*z4)/(s12*s123*s124*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(2*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s124*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/(8*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(16*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(2*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(16*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s134*s14*s23*z23) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s12*s124*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(s12*s124*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s12*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s12*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s14*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s14*s23*s234*z23) + (5*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (8*s12*s124*s14*s23*z23) + (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s12*s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (s12*s124*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s12*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s12*s123*s34*z23) + (CA*(CA - 2*CF)*s1234*z4)/(2*s134*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(8*s134*s34*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s134*s14*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s134*s14*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s123*s23*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s123*s23*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/(8*s12*s123*s23*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(16*s12*s123*s23*s34*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4)/(8*s134*s14*s23*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(8*s134*s14*s23*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*z4)/(2*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (8*s234*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s12*s234*s34*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s14*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s14*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(4*s134*s14*s23*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s134*s14*s23*s34*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s12*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s12*s23*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s14*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s14*s23*s234*s34*z23) + 
   (5*CA*(CA - 2*CF)*s1234*s13*s34*z4)/(8*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z4)/(8*s12*s124*s14*s23*z23) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z4)/
    (s12*s124*s23*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34*z4)/(s12*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (s12*s123*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (4*s12*s123*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (2*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (8*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (2*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (8*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (4*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (8*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (2*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (8*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (2*s134*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (8*s134*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (4*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (16*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (4*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (4*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s14*s234*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (8*s23*s234*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (16*s14*s23*s234*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (2*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (8*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (4*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (16*s134*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (4*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z1*z4)/
    (8*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (2*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (4*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (4*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (2*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (4*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s34*z1*z4)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z4)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z1*z4)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (4*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (16*s134*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z4)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34^2*z1*z4)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s12*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s12*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s12*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s12*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (2*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (8*s12*s123*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (8*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (4*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (16*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (4*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (16*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (4*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z2*z4)/
    (16*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (5*CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (4*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (4*s134*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s134*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (4*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (4*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (4*s12*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (4*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (4*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (4*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/
    (16*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z3*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (2*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/
    (8*s134*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (8*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/
    (16*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (16*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/
    (4*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z3*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/
    (4*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (4*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/
    (8*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (4*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/
    (16*s134*s14*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (16*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (4*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z3*z4)/
    (8*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z3*z4)/
    (4*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z3*z4)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s12*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s12*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s12*s134*s14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s124*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s12*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s12*s123*s23*z34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s123*s134*s23*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (s123*s134*s23*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s134*s14*s23*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s124*s14*s234*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s12*s23*s234*z34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s123*s23*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (s123*s23*s234*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (4*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s12*s124*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s12*s134*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s124*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (16*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (8*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (16*s12*s134*s14*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z4)/(s124*s134*s14*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/(8*s12*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(8*s12*s123*s23*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s134*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s134*s23*s34*z34) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z4)/
    (s123*s134*s23*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2*z4)/(s123*s134*s23*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/(8*s134*s14*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(16*s134*s14*s23*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z4)/(8*s12*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z4)/(8*s12*s123*s23*s34*z34) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z4)/
    (s123*s134*s23*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s14*z4)/(s123*s134*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4)/(8*s12*s124*s14*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s12*s234*s34*z34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(s123*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z4)/
    (2*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z4)/
    (8*s12*s234*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*z4)/(s124*s14*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (4*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s12*s123*s23*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s124*s14*s234*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s12*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s12*s23*s234*s34*z34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z4)/
    (s123*s23*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z4)/(s123*s23*s234*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s14*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s14*s23*s234*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z4)/(8*s12*s124*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(16*s12*s124*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(4*s12*s134*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(16*s12*s134*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(16*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(16*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(4*s12*s123*s23*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(16*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(4*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(16*s12*s134*s14*z12*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z1*z4)/(8*s12*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z4)/(8*s12*s23*s234*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(16*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(4*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(16*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(4*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/(4*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1*z4)/(8*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(4*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z4)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z4)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(4*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z4)/(4*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(4*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(4*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(4*s12*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/(4*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/(8*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(2*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/(8*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(4*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s12*s124*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s12*s134*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s124*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s134*s23*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s14*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s12*s124*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(8*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(8*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(8*s14*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(2*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(8*s12*s123*s23*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(8*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(4*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/(4*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/(8*s12*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(16*s12*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/(8*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(4*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(4*s12*s124*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(8*s12*s124*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(2*s12*s134*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(8*s12*s134*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(2*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(4*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(4*s123*s23*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(4*s12*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(8*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(2*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(8*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(4*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(2*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(8*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s124*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(16*s12*s123*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(16*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(4*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(8*s12*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(4*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(2*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(8*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(2*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(8*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z3*z4)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3*z4)/(16*s12*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(4*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(16*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(4*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z3*z4)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(4*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(4*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z3*z4)/(8*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14^2*z3*z4)/(8*s12*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(4*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(16*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(4*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(2*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(8*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(4*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3*z4)/(8*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s12*s134*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s134*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s12*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(2*s12*s124*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s12*s134*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(2*s124*s14*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s12*s134*s14*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(4*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(2*s12*s124*s14*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(4*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(2*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z3*z4)/(4*s12*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3*z4)/(4*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3*z4)/(4*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(4*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(4*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(4*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z3*z4)/(4*s12*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(2*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(4*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(4*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(4*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(4*s12*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3*z4)/(4*s12*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3*z4)/(4*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3*z4)/(2*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s134*s14*s23*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s12*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(4*s12*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s12*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(4*s12*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(8*s12*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(8*s134*s14*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(4*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z3*z4)/(4*s12*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s12*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(4*s12*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(8*s12*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(8*s14*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3*z4)/(4*s12*s23*s234*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s134*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(4*s134*s14*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(2*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s14*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(2*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(4*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(4*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(2*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(4*s134*s23*s34*z14*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s134*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z1*z3*z4)/(4*s134*s14*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z3*z4)/(4*s134*s14*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3*z4)/(2*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(2*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(4*s14*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(4*s134*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(4*s134*s14*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(4*s14*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(2*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3*z4)/(4*s14*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(4*s14*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3*z4)/(4*s14*s23*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3*z4)/(4*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3*z4)/(4*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(4*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(4*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(16*s134*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(2*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(8*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(4*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4^2)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(4*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(16*s134*s14*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(4*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(8*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4^2)/(16*s14*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(4*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(16*s134*s14*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z4^2)/(8*s12*s124*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(4*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(8*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(2*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(8*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(4*s12*s23*s234*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(4*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(16*s12*s134*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(8*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(4*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(16*s12*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(8*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4^2)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(4*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4^2)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z4^2)/(8*s12*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(8*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(4*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s12*s134*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s134*s14*s23*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s12*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(8*s12*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s134*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(8*s134*s14*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(8*s12*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(8*s14*s23*s234*s34*z14*z34)) + 
 k2k4*((2*CF*(-CA + 2*CF)*s1234)/s123^2 - (3*CF*(-CA + 2*CF)*D*s1234)/
    (2*s123^2) + (CF*(-CA + 2*CF)*D^2*s1234)/(4*s123^2) - 
   (CA*(CA - 2*CF)*D*s1234)/(8*s12*s123) + (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s12*s123) - (5*CA*(CA - 2*CF)*s1234)/(4*s12*s124) + 
   (7*CA*(CA - 2*CF)*D*s1234)/(16*s12*s124) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s12*s124) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s123*s124) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s123*s124) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234)/
    (2*s123*s124) + (CF*(-CA + 2*CF)*s1234*s13)/(s12*s123^2) - 
   (3*CF*(-CA + 2*CF)*D*s1234*s13)/(4*s12*s123^2) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s13)/(8*s12*s123^2) + 
   (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s12*s123*s124) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s12*s123*s124) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s12*s123*s124) + (2*CF*(-CA + 2*CF)*s1234)/s134^2 - 
   (3*CF*(-CA + 2*CF)*D*s1234)/(2*s134^2) + (CF*(-CA + 2*CF)*D^2*s1234)/
    (4*s134^2) + (CA*(CA - 2*CF)*s1234)/(4*s12*s134) + 
   (CA*(CA - 2*CF)*D*s1234)/(16*s12*s134) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s12*s134) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s124*s134) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s124*s134) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234)/
    (2*s124*s134) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/
    (s12*s123*s134) - (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13)/(s12*s123*s134) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13)/(2*s12*s123*s134) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s12*s124*s134) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s12*s124*s134) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s12*s124*s134) + (CA*(CA - 2*CF)*s1234)/(4*s123*s14) + 
   (CA*(CA - 2*CF)*D*s1234)/(16*s123*s14) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s123*s14) - (5*CA*(CA - 2*CF)*s1234)/(4*s124*s14) + 
   (7*CA*(CA - 2*CF)*D*s1234)/(16*s124*s14) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s124*s14) + (CA*(CA - 2*CF)*s1234*s13)/(8*s12*s123*s14) - 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s123*s14) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s124*s14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s124*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s124*s14) + (CF*(-CA + 2*CF)*s1234*s13)/(s134^2*s14) - 
   (3*CF*(-CA + 2*CF)*D*s1234*s13)/(4*s134^2*s14) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s13)/(8*s134^2*s14) - 
   (CA*(CA - 2*CF)*D*s1234)/(8*s134*s14) + (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s134*s14) + (CA*(CA - 2*CF)*s1234*s13)/(8*s12*s134*s14) - 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s134*s14) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s134*s14) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s134*s14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s134*s14) + (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s124*s134*s14) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s124*s134*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s124*s134*s14) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2)/(s12*s123*s134*s14) - (CA*(CA - 2*CF)*D*s1234)/
    (8*s123*s23) + (CA*(CA - 2*CF)*D^2*s1234)/(32*s123*s23) + 
   (CF*(-CA + 2*CF)*s1234*s13)/(s123^2*s23) - (3*CF*(-CA + 2*CF)*D*s1234*s13)/
    (4*s123^2*s23) + (CF*(-CA + 2*CF)*D^2*s1234*s13)/(8*s123^2*s23) + 
   (5*CA*(CA - 2*CF)*s1234*s13)/(4*s12*s123*s23) - 
   (5*CA*(CA - 2*CF)*D*s1234*s13)/(8*s12*s123*s23) + 
   (CA*(CA - 2*CF)*D^2*s1234*s13)/(16*s12*s123*s23) + 
   (CA*(CA - 2*CF)*s1234*s13)/(4*s12*s124*s23) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (4*s12*s124*s23) + (CA*(CA - 2*CF)*D^2*s1234*s13)/(32*s12*s124*s23) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s124*s23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s124*s23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s124*s23) + (2*CF*(-CA + 2*CF)*s1234*s13^2)/
    (s12*s123^2*s23) - (5*CF*(-CA + 2*CF)*D*s1234*s13^2)/(4*s12*s123^2*s23) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s13^2)/(8*s12*s123^2*s23) + 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2)/
    (s12*s123*s124*s23) - (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2)/(s12*s123*s124*s23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13^2)/
    (2*s12*s123*s124*s23) + (CA*(CA - 2*CF)*s1234)/(4*s134*s23) + 
   (CA*(CA - 2*CF)*D*s1234)/(16*s134*s23) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s134*s23) - (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s123*s134*s23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234)/(s123*s134*s23) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s123*s134*s23) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s134*s23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s134*s23) + (7*CA*(CA - 2*CF)*s1234*s13)/(8*s123*s14*s23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13)/(16*s123*s14*s23) + 
   (CA*(CA - 2*CF)*s1234*s13)/(2*s124*s14*s23) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (16*s124*s14*s23) + (CA*(CA - 2*CF)*s1234*s13^2)/(2*s12*s123*s14*s23) - 
   (CA*(CA - 2*CF)*s12*s1234)/(4*s134*s14*s23) + (CA*(CA - 2*CF)*D*s12*s1234)/
    (16*s134*s14*s23) + (7*CA*(CA - 2*CF)*s1234*s13)/(8*s134*s14*s23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13)/(16*s134*s14*s23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14)/
    (s12*s123*s124*s23) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23)/(s12*s123*s124) + (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23)/(s12*s123*s124) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s23)/(2*s12*s123*s124) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s12*s123*s134) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s12*s123*s134) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/
    (s12*s124*s134) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s12*s124*s134) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/
    (s123*s124*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s123*s124*s14) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s123*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s123*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234)/
    (2*s123*s234) + (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/
    (s12*s123*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13)/(s12*s123*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13)/(2*s12*s123*s234) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s12*s124*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s12*s124*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s12*s124*s234) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234)/(s134*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234)/(s134*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234)/(2*s134*s234) - (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234)/(s124*s14*s234) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234)/(s124*s14*s234) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s124*s14*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s124*s14*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s124*s14*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234)/(s134*s14*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s12*s1234)/(s134*s14*s234) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s134*s14*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s134*s14*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s134*s14*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s12*s123*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s14)/(s12*s123*s234) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s12*s124*s234) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s12*s124*s234) - (5*CA*(CA - 2*CF)*s1234)/(4*s23*s234) + 
   (7*CA*(CA - 2*CF)*D*s1234)/(16*s23*s234) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s23*s234) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s123*s23*s234) + (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234)/(s123*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s12*s1234)/(2*s123*s23*s234) + (CA*(CA - 2*CF)*s1234*s13)/
    (4*s12*s23*s234) - (CA*(CA - 2*CF)*D*s1234*s13)/(4*s12*s23*s234) + 
   (CA*(CA - 2*CF)*D^2*s1234*s13)/(32*s12*s23*s234) + 
   (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s23*s234) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s23*s234) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s124*s23*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s124*s23*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s124*s23*s234) + (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2)/(s12*s123*s23*s234) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13^2)/
    (s12*s123*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13^2)/(2*s12*s123*s23*s234) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2)/
    (s12*s124*s23*s234) - (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2)/(s12*s124*s23*s234) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13^2)/
    (2*s12*s124*s23*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234)/(s134*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234)/(s134*s23*s234) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s134*s23*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s134*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s134*s23*s234) - (CA*(CA - 2*CF)*s12*s1234)/(s14*s23*s234) + 
   (3*CA*(CA - 2*CF)*D*s12*s1234)/(8*s14*s23*s234) - 
   (CA*(CA - 2*CF)*D^2*s12*s1234)/(32*s14*s23*s234) + 
   (CA*(CA - 2*CF)*s1234*s13)/(2*s14*s23*s234) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (16*s14*s23*s234) - (CA*(CA - 2*CF)*s1234*s14)/(4*s12*s23*s234) + 
   (CA*(CA - 2*CF)*D*s1234*s14)/(16*s12*s23*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s134*s23*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/(s134*s23*s234) + 
   (16*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s123*s124*s14) - (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24)/(s12*s123*s124*s14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24)/
    (2*s12*s123*s124*s14) + (20*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s134*s14) - 
   (7*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s134*s14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s24)/(2*s12*s123*s134*s14) + 
   (16*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s124*s134*s14) - (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24)/(s12*s124*s134*s14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24)/
    (2*s12*s124*s134*s14) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s124*s23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s124*s23) + (CA*(CA - 2*CF)*s1234*s13*s24)/
    (2*s12*s123*s14*s23) - (CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s12*s123*s14*s23) + (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (2*s12*s124*s14*s23) - (7*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s12*s124*s14*s23) + (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s12*s124*s14*s23) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s23*s234) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s23*s234) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s12*s124*s23*s234) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s124*s23*s234) + (CA*(CA - 2*CF)*s1234)/(4*s123*s34) + 
   (CA*(CA - 2*CF)*D*s1234)/(16*s123*s34) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s123*s34) + (7*CA*(CA - 2*CF)*s1234*s13)/(8*s12*s123*s34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s123*s34) + 
   (CA*(CA - 2*CF)*s1234*s13)/(2*s12*s124*s34) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (16*s12*s124*s34) + (CF*(-CA + 2*CF)*s1234*s13)/(s134^2*s34) - 
   (3*CF*(-CA + 2*CF)*D*s1234*s13)/(4*s134^2*s34) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s13)/(8*s134^2*s34) - 
   (CA*(CA - 2*CF)*D*s1234)/(8*s134*s34) + (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s134*s34) + (7*CA*(CA - 2*CF)*s1234*s13)/(8*s12*s134*s34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s134*s34) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s134*s34) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s134*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s134*s34) + (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s124*s134*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s124*s134*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s124*s134*s34) + (CA*(CA - 2*CF)*s1234*s13)/(4*s124*s14*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s13)/(4*s124*s14*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s13)/(32*s124*s14*s34) + 
   (2*CF*(-CA + 2*CF)*s1234*s13^2)/(s134^2*s14*s34) - 
   (5*CF*(-CA + 2*CF)*D*s1234*s13^2)/(4*s134^2*s14*s34) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s13^2)/(8*s134^2*s14*s34) + 
   (5*CA*(CA - 2*CF)*s1234*s13)/(4*s134*s14*s34) - 
   (5*CA*(CA - 2*CF)*D*s1234*s13)/(8*s134*s14*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s13)/(16*s134*s14*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13)/
    (s124*s134*s14*s34) + (CA*(CA - 2*CF)*s1234*s13^2)/(2*s12*s134*s14*s34) + 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2)/
    (s124*s134*s14*s34) - (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2)/(s124*s134*s14*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13^2)/
    (2*s124*s134*s14*s34) - (CA*(CA - 2*CF)*s1234*s14)/(4*s12*s123*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s14)/(16*s12*s123*s34) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s134*s34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s123*s134*s34) + (CA*(CA - 2*CF)*s1234*s13)/(8*s123*s23*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s123*s23*s34) + 
   (CA*(CA - 2*CF)*s1234*s13^2)/(2*s12*s123*s23*s34) + 
   (CA*(CA - 2*CF)*s1234*s13)/(8*s134*s23*s34) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (16*s134*s23*s34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13^2)/(s123*s134*s23*s34) + (CA*(CA - 2*CF)*s12*s1234*s13)/
    (8*s134*s14*s23*s34) + (CA*(CA - 2*CF)*s1234*s13^2)/
    (2*s134*s14*s23*s34) + (CA*(CA - 2*CF)*s1234*s13*s14)/
    (8*s12*s123*s23*s34) - (CA*(CA - 2*CF)*s1234*s23)/(s12*s124*s34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s23)/(8*s12*s124*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s23)/(32*s12*s124*s34) - 
   (CA*(CA - 2*CF)*s1234*s23)/(4*s12*s134*s34) + (CA*(CA - 2*CF)*D*s1234*s23)/
    (16*s12*s134*s34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23)/(s124*s134*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23)/(s124*s134*s34) - (CA*(CA - 2*CF)*s1234*s23)/
    (4*s124*s14*s34) + (CA*(CA - 2*CF)*D*s1234*s23)/(16*s124*s14*s34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23)/(8*s12*s134*s14*s34) - 
   (5*CA*(CA - 2*CF)*s1234)/(4*s234*s34) + (7*CA*(CA - 2*CF)*D*s1234)/
    (16*s234*s34) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s234*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s123*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/(s123*s234*s34) + 
   (CA*(CA - 2*CF)*s1234*s13)/(2*s12*s234*s34) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (16*s12*s234*s34) + (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13)/(s123*s234*s34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13)/(s123*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13)/(2*s123*s234*s34) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s124*s234*s34) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s124*s234*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s124*s234*s34) + (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s134*s234*s34) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s134*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s134*s234*s34) - (CA*(CA - 2*CF)*s12*s1234)/(4*s14*s234*s34) + 
   (CA*(CA - 2*CF)*D*s12*s1234)/(16*s14*s234*s34) + 
   (CA*(CA - 2*CF)*s1234*s13)/(4*s14*s234*s34) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (4*s14*s234*s34) + (CA*(CA - 2*CF)*D^2*s1234*s13)/(32*s14*s234*s34) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2)/
    (s124*s14*s234*s34) - (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2)/(s124*s14*s234*s34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13^2)/
    (2*s124*s14*s234*s34) + (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2)/(s134*s14*s234*s34) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13^2)/
    (s134*s14*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13^2)/(2*s134*s14*s234*s34) - (CA*(CA - 2*CF)*s1234*s14)/
    (s12*s234*s34) + (3*CA*(CA - 2*CF)*D*s1234*s14)/(8*s12*s234*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s14)/(32*s12*s234*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/(s123*s234*s34) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s134*s234*s34) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s134*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s134*s234*s34) - (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23)/(s124*s234*s34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s124*s234*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*
     s23)/(s134*s14*s234*s34) + (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (2*s12*s124*s14*s34) - (7*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s12*s124*s14*s34) + (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s12*s124*s14*s34) + (CA*(CA - 2*CF)*s1234*s13*s24)/
    (2*s12*s134*s14*s34) - (CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s12*s134*s14*s34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s124*s134*s14*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s124*s134*s14*s34) + (CA*(CA - 2*CF)*s1234*s13*s24)/
    (2*s12*s123*s23*s34) - (CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s12*s123*s23*s34) + (20*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s123*s134*s23*s34) - 
   (7*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s123*s134*s23*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s24)/(2*s123*s134*s23*s34) + (CA*(CA - 2*CF)*s1234*s13*s24)/
    (2*s134*s14*s23*s34) - (CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s134*s14*s23*s34) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s124*s14*s234*s34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s124*s14*s234*s34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s134*s14*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s134*s14*s234*s34) + (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (2*s12*s23*s234*s34) - (7*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s12*s23*s234*s34) + (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s12*s23*s234*s34) + (16*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s123*s23*s234*s34) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s123*s23*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s24)/(2*s123*s23*s234*s34) + 
   (16*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s134*s23*s234*s34) - (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24)/(s134*s23*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24)/
    (2*s134*s23*s234*s34) + (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (2*s14*s23*s234*s34) - (7*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s14*s23*s234*s34) + (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s14*s23*s234*s34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34)/(s12*s124*s134) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s34)/(s12*s124*s134) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s124*s14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/(s123*s124*s14) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s134*s14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s123*s134*s14) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34)/(s124*s134*s14) + (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s34)/(s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s34)/(2*s124*s134*s14) - (CA*(CA - 2*CF)*s1234*s34)/
    (4*s12*s124*s23) + (CA*(CA - 2*CF)*D*s1234*s34)/(16*s12*s124*s23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s124*s23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/(s123*s124*s23) - 
   (CA*(CA - 2*CF)*s1234*s34)/(4*s123*s14*s23) + (CA*(CA - 2*CF)*D*s1234*s34)/
    (16*s123*s14*s23) - (CA*(CA - 2*CF)*s1234*s34)/(s124*s14*s23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s34)/(8*s124*s14*s23) - 
   (CA*(CA - 2*CF)*D^2*s1234*s34)/(32*s124*s14*s23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34)/(8*s12*s123*s14*s23) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s124*s23*s234) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s124*s23*s234) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*
     s34)/(s12*s123*s23*s234) - (CA*(CA - 2*CF)*s1234*z1)/(16*s12*s123*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s123*z12) - 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s12*s124*z12) + 
   (CF*(-CA + 2*CF)*s1234*s13*z1)/(2*s12*s123^2*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z1)/(8*s12*s134*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s134*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s12*s124*s134*z12) - (CA*(CA - 2*CF)*s1234*z1)/(16*s123*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s124*s14*z12) - (5*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s12*s123*s14*z12) - (3*CA*(CA - 2*CF)*s1234*z1)/(16*s134*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s14*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s134*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s134*s14*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s134*s14*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z1)/(s124*s134*s14*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z1)/
    (s12*s123*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*z1)/(16*s123*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s23*z12) + 
   (CF*(-CA + 2*CF)*s1234*s13*z1)/(2*s123^2*s23*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s12*s124*s23*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s124*s23*z12) + (CF*(-CA + 2*CF)*s1234*s13^2*z1)/
    (2*s12*s123^2*s23*z12) - (CA*(CA - 2*CF)*s1234*s13*z1)/
    (4*s123*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*z1)/
    (4*s124*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s13^2*z1)/
    (4*s12*s123*s14*s23*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z1)/(s12*s123*s124*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s123*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s123*s14*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s134*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s12*s134*s14*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z1)/
    (s12*s123*s134*s14*z12) + (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(2*s123*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s124*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*z1)/
    (2*s124*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*
     z1)/(s12*s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*z1)/(2*s12*s123*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z1)/
    (s12*s124*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z1)/(2*s12*s124*s234*z12) + (3*CA*(CA - 2*CF)*s1234*z1)/
    (16*s23*s234*z12) - (CA*(CA - 2*CF)*D*s1234*z1)/(32*s23*s234*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s12*s23*s234*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s23*s234*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(16*s12*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s12*s123*s234*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s134*s14*z12) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s134*s14*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s12*s124*s134*s14*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s12*s123*s124*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (4*s12*s124*s14*s23*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s12*s124*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s12*s124*s234*z12) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s23*s234*z12) + (CA*(CA - 2*CF)*s1234*z1)/(16*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s124*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1)/(4*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(8*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1)/(4*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1)/(8*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(16*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s134*s14*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s23*z1)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23^2*z1)/(16*s12*s134*s14*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(4*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(2*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(4*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1)/(16*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(32*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1)/(8*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(32*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s23*s234*s34*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s12*s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s12*s124*s134*z12) - (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s123*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s123*s134*s14*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s124*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s124*s134*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z1)/(s12*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z1)/
    (2*s12*s123*s134*s14*z12) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s124*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s124*s23*z12) - (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s123*s14*s23*z12) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s124*s14*s23*z12) - (3*CA*(CA - 2*CF)*s1234*s13*s34*z1)/
    (16*s12*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/
    (32*s12*s123*s14*s23*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s34*z1)/(s12*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s34*z1)/
    (2*s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s12*s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s123*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z1)/
    (s12*s123*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s34*z1)/(s12*s124*s23*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1)/
    (s12*s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24*s34*z1)/(2*s12*s124*s134*s14*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*s34*z1)/(16*s12*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/(32*s12*s124*s14*s23*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1)/
    (s12*s124*s23*s234*z12) - (3*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s123*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s123*z14) + 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s12*s124*z14) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s12*s124*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z1)/(s12*s123*s124*z14) - (CA*(CA - 2*CF)*s1234*z1)/
    (16*s12*s134*z14) + (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s134*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s12*s123*s134*z14) - (3*CA*(CA - 2*CF)*s1234*z1)/(8*s123*s14*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s124*s14*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s123*s14*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s124*s14*z14) + (CF*(-CA + 2*CF)*s1234*s13*z1)/(2*s134^2*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s134*s14*z14) - (5*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s12*s134*s14*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z1)/(s12*s123*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s13*z1)/
    (4*s12*s123*s23*z14) + (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(8*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1)/(4*s12*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(8*s134*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s134*s14*s23*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s12*s123*s124*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s12*s123*s134*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s123*s124*s14*z14) - (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s134*s14*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z1)/(s12*s123*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z1)/
    (2*s12*s123*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*z1)/(s124*s234*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     D*s1234*z1)/(2*s124*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*z1)/(s134*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(2*s134*s234*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s14*s234*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z1)/
    (s124*s14*s234*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z1)/(2*s124*s14*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s134*s14*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(2*s134*s14*s234*z14) + (5*CA*(CA - 2*CF)*s1234*z1)/
    (16*s23*s234*z14) - (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s23*s234*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(16*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s14*s23*s234*z14) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s14*s23*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s134*s14*s234*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s123*s14*z14) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s14*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s12*s123*s124*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(2*s12*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s123*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s124*s14*s23*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1)/
    (s12*s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s24*z1)/(2*s12*s123*s124*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s124*s14*s234*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s124*s14*s234*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s23*s234*z14) + (CA*(CA - 2*CF)*s1234*s13*z1)/
    (4*s12*s124*s34*z14) + (CF*(-CA + 2*CF)*s1234*s13*z1)/
    (2*s134^2*s34*z14) + (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s12*s134*s34*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s124*s134*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*z1)/
    (4*s124*s14*s34*z14) + (CF*(-CA + 2*CF)*s1234*s13^2*z1)/
    (2*s134^2*s14*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s134*s14*s34*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z1)/(s124*s134*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13^2*z1)/
    (4*s12*s134*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*z1)/
    (4*s134*s23*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*s13*z1)/
    (8*s134*s14*s23*s34*z14) - (CA*(CA - 2*CF)*s1234*s13^2*z1)/
    (4*s134*s14*s23*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s124*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s124*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s134*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s134*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s124*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s124*s14*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s23*z1)/
    (16*s12*s134*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/
    (32*s12*s134*s14*s34*z14) + (3*CA*(CA - 2*CF)*s1234*z1)/
    (16*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*z1)/(32*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(16*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s14*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s124*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1)/(s134*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s23*z1)/(s124*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z1)/
    (s134*s14*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (4*s12*s124*s14*s34*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s124*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(4*s134*s14*s23*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z1)/(16*s12*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(32*s12*s124*s14*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s14*s23*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1)/
    (s124*s14*s234*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s123*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s12*s123*s14*z14) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s134*s14*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z1)/(s12*s123*s134*s14*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z1)/(16*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(16*s12*s124*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s12*s124*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z1)/(16*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s124*s14*s23*z14) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s34*z1)/(16*s12*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(16*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s134*s14*s23*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z1)/
    (s12*s123*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s34*z1)/(2*s12*s123*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s134*s14*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s134*s14*s234*z14) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (4*s14*s23*s234*z14) - (3*CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s14*s23*s234*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (8*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (32*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (16*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (32*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s34^2*z1)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s12*s124*z12*z14) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s12*s134*z12*z14) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s23*z1^2)/
    (16*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/
    (16*s12*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s12*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s34*z1^2)/
    (16*s12*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/
    (16*s12*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z2)/
    (4*s12*s124*z12) + (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s124*z12) + 
   (CF*(-CA + 2*CF)*s1234*s13*z2)/(s12*s123^2*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z2)/(4*s12*s123^2*z12) - 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s12*s134*z12) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s12*s134*z12) - (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s134*s14*z12) + 
   (CF*(-CA + 2*CF)*s1234*s13*z2)/(s123^2*s23*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z2)/(4*s123^2*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s123*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s23*z12) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s124*s23*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s123*s124*s23*z12) + (CF*(-CA + 2*CF)*s1234*s13^2*z2)/
    (s12*s123^2*s23*z12) - (CF*(-CA + 2*CF)*D*s1234*s13^2*z2)/
    (4*s12*s123^2*s23*z12) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s123*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s124*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s123*s14*s23*z12) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2)/(s12*s123*s124*s23*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z2)/
    (s12*s123*s124*s23*z12) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s12*s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (2*s12*s123*s234*z12) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s123*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (2*s123*s23*s234*z12) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (2*s124*s23*s234*z12) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z2)/(s12*s123*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z2)/
    (2*s12*s123*s23*s234*z12) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2)/(s12*s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z2)/
    (2*s12*s124*s23*s234*z12) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s12*s123*s124*s23*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (s12*s123*s124*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s124*s14*s23*z12) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s12*s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (2*s12*s124*s23*s234*z12) - (7*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s123*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s123*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s124*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s124*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s134*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s134*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s124*s14*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s124*s14*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s14*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s134*s14*s34*z12) + (CA*(CA - 2*CF)*s1234*s14*z2)/
    (4*s12*s123*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (16*s12*s123*s34*z12) - (7*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s123*s23*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s123*s23*s34*z12) - (7*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s123*s23*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s123*s23*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (4*s12*s123*s23*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/
    (16*s12*s123*s23*s34*z12) + (CA*(CA - 2*CF)*s1234*s23*z2)/
    (4*s12*s124*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s23*z2)/
    (16*s12*s124*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*s23*z2)/
    (16*s12*s134*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (4*s12*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s234*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s23*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s23*s234*s34*z12) - (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (4*s12*s23*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s23*s234*s34*z12) - (5*CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (16*s12*s23*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/
    (16*s12*s23*s234*s34*z12) - (5*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s124*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s134*s14*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s134*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (2*s12*s123*s23*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (8*s12*s123*s23*s34*z12) - (5*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s23*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s23*s234*s34*z12) + (CA*(CA - 2*CF)*s1234*z2)/(4*s12*s123*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s123*z14) + 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s12*s124*z14) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s12*s124*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s12*s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z2)/(2*s12*s123*s124*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s12*s123*s134*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s124*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s134*s14*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z2)/(s12*s123*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z2)/
    (2*s12*s123*s134*s14*z14) + (7*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s123*s23*z14) - (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s123*s23*z14) + (5*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s124*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s124*s23*z14) - (CA*(CA - 2*CF)*s1234*z2)/(4*s134*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s134*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s123*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s124*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s12*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(16*s12*s123*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s134*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s134*s14*s23*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s134*s14*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s14*s23*s234*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s12*s123*s124*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (2*s12*s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s124*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s124*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s134*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s124*s14*s34*z14) + (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s134*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s134*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s23*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s134*s14*s23*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s124*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s134*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z2)/(s124*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13^2*z2)/
    (s134*s14*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s12*s1234*s13*z2)/
    (16*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s124*s14*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s124*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s14*s23*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s12*s123*s134*s14*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34*z2)/(2*s12*s123*s134*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(4*s12*s124*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(16*s12*s124*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z2)/(16*s12*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/(16*s12*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s12*s124*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s12*s134*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s124*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s123*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s134*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s124*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s123*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s124*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/(16*s12*s123*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(8*s12*s134*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s12*s124*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s12*s124*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s124*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s134*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s124*s14*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/(16*s12*s134*s14*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(8*s12*s124*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(8*s12*s134*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(8*s124*s14*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z2)/(8*s12*s134*s14*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s12*s124*s14*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z2)/(8*s12*s124*s14*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s12*s134*s14*z12*z14) - 
   (CF*(-CA + 2*CF)*s1234*z1)/(s123^2*z23) + (CF*(-CA + 2*CF)*D*s1234*z1)/
    (4*s123^2*z23) - (3*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s123*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s123*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s124*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(2*s123*s124*z23) - 
   (CF*(-CA + 2*CF)*s1234*s13*z1)/(s12*s123^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*z1)/(4*s12*s123^2*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s12*s123*s124*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(2*s12*s123*s124*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s134*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(2*s123*s134*z23) + 
   (7*CA*(CA - 2*CF)*s1234*z1)/(16*s123*s14*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s124*s14*z23) + (7*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s123*s14*z23) - (3*CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s12*s123*s14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1)/
    (4*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s12*s124*s14*z23) - (5*CA*(CA - 2*CF)*s1234*z1)/(16*s134*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s134*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s123*s23*z23) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s123*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s23*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z1)/
    (s123*s134*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z1)/(2*s123*s134*s23*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s134*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(2*s123*s134*s23*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z1)/
    (16*s134*s14*s23*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1)/
    (16*s134*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (16*s134*s14*s23*z23) - (CF*(-CA + 2*CF)*s1234*s23*z1)/(s12*s123^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s23*z1)/(4*s12*s123^2*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s124*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s12*s123*s124*z23) + (7*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s123*s14*z23) - (3*CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s123*s14*z23) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s124*s14*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*z1)/(s134*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D*s1234*z1)/(2*s134*s234*z23) - (CA*(CA - 2*CF)*s1234*z1)/
    (4*s14*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z1)/(16*s14*s234*z23) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(s12*s123*s234*z23) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s124*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s12*s124*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (2*s12*s123*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (8*s12*s123*s14*z23) + (5*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s124*s14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s134*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s14*s23*z23) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s12*s123*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (s12*s123*s234*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s12*s124*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s12*s124*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s23*s234*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s134*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*z1)/(16*s123*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s134*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*z1)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s123*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s123*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s134*s14*s34*z23) - (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s14*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s234*s34*z23) + (5*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s12*s123*s124*z23) + (5*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s123*s14*z23) - (3*CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s123*s14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s12*s124*s14*z23) - (3*CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s124*s14*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s123*s124*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z1)/(s12*s123*s124*s23*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z1)/(16*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s124*s14*s23*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z1)/(16*s12*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/(32*s12*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/(32*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(8*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s134*s14*s23*z23) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s12*s123*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(s12*s123*s234*z23) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s12*s124*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s12*s124*s234*z23) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s23*s234*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s134*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s14*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (16*s12*s124*s14*s23*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1)/(s12*s124*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s34^2*z1)/(16*s12*s124*s14*s23*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s34^2*z1)/
    (s12*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s12*s123*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (16*s12*s123*z14*z23) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (4*s12*s124*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (16*s12*s124*z14*z23) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (32*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (32*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (32*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s134*s14*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1^2)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s134*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1^2)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s134*s14*s34*z14*z23) + (7*CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (32*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (8*s12*s124*s14*z14*z23) - (3*CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (32*s12*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (32*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s34*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34^2*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34^2*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34^2*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34^2*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) + (CF*(-CA + 2*CF)*s1234*s13*z2)/
    (s12*s123^2*z23) - (CF*(-CA + 2*CF)*D*s1234*s13*z2)/(4*s12*s123^2*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s12*s123*s124*z23) - (7*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s123*s14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s123*s14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s124*s14*z23) + (CF*(-CA + 2*CF)*s1234*s13*z2)/(s123^2*s23*z23) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z2)/(4*s123^2*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s123*s23*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s124*s23*z23) + (CF*(-CA + 2*CF)*s1234*s13^2*z2)/
    (s12*s123^2*s23*z23) - (CF*(-CA + 2*CF)*D*s1234*s13^2*z2)/
    (4*s12*s123^2*s23*z23) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z2)/(s12*s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z2)/
    (2*s12*s123*s124*s23*z23) - (CA*(CA - 2*CF)*s1234*z2)/(4*s134*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s134*s23*z23) - 
   (7*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s123*s14*s23*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s124*s14*s23*z23) - 
   (7*CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s12*s123*s14*s23*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(32*s12*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(4*s12*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(32*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s134*s14*s23*z23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s12*s123*s234*z23) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s124*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s12*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*z2)/
    (4*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z2)/(16*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s23*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z2)/(4*s14*s23*s234*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z2)/(16*s14*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s14*s23*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s14*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(2*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(8*s12*s123*s14*s23*z23) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s12*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s12*s124*s14*s23*z23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2)/
    (s12*s123*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z2)/(s12*s123*s23*s234*z23) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2)/
    (s12*s124*s23*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z2)/(2*s12*s124*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s134*s14*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s134*s14*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s123*s23*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s123*s23*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s12*s123*s23*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(32*s12*s123*s23*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s134*s23*s34*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z2)/(16*s134*s14*s23*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s134*s14*s23*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s14*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s14*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s134*s14*s23*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(32*s134*s14*s23*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s12*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(32*s12*s23*s234*s34*z23) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s14*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(32*s14*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(4*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(16*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2)/(4*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/(16*s12*s123*s14*s23*z23) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s34*z2)/(16*s12*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/(16*s12*s124*s14*s23*z23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s12*s123*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34*z2)/(s12*s123*s23*s234*z23) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s12*s124*s23*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34*z2)/(2*s12*s124*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(16*s12*s123*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(16*s12*s124*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(16*s123*s14*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(16*s124*s14*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s123*s14*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(16*s123*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(16*s12*s123*s14*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s124*s14*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(16*s123*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s123*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(16*s12*s123*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(16*s12*s234*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s234*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s12*s123*s14*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s12*s124*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s124*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(16*s12*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(16*s12*s124*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(4*s12*s123*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(16*s12*s123*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z2)/(8*s12*s124*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(16*s12*s124*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(32*s123*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z2)/(16*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(32*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s12*s123*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(16*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(4*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(16*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(16*s14*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(4*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s12*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s12*s123*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z1*z2)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z2)/(16*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s14*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s12*s123*s14*z14*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(32*s12*s123*s14*z14*z23) + 
   (9*CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s12*s124*s14*z14*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(32*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(32*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(32*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(8*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z2)/(32*s12*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/(8*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34^2*z1*z2)/(32*s12*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34^2*z1*z2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s12*s123*s14*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s12*s124*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s124*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/(16*s12*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/(16*s12*s124*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s12*s123*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s123*s23*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/(16*s12*s123*s23*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s12*s234*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/(16*s12*s23*s234*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(4*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(16*s12*s123*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(16*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(32*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(32*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/(8*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/(32*s12*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2^2)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/(32*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/(8*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/(32*s12*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/(32*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z2^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/(8*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2^2)/(32*s12*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2^2)/(32*s12*s124*s14*s23*z14*z23) - 
   (CF*(-CA + 2*CF)*s1234*z3)/(s123^2*z12) + (CF*(-CA + 2*CF)*D*s1234*z3)/
    (4*s123^2*z12) - (CA*(CA - 2*CF)*s1234*z3)/(16*s12*s123*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s123*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s134*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(2*s123*s134*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s124*s134*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/
    (2*s124*s134*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z3)/(s12*s123*s134*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z3)/(2*s12*s123*s134*z12) + (CA*(CA - 2*CF)*s1234*z3)/
    (16*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*z3)/(8*s134*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s12*s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(2*s12*s124*s134*z12) - (CF*(-CA + 2*CF)*s12*s1234*z3)/
    (s123^2*s23*z12) + (CF*(-CA + 2*CF)*D*s12*s1234*z3)/(4*s123^2*s23*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s123*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z12) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s124*s23*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(s123*s124*s23*z12) - (CF*(-CA + 2*CF)*s1234*s13*z3)/
    (s123^2*s23*z12) + (CF*(-CA + 2*CF)*D*s1234*s13*z3)/(4*s123^2*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(16*s12*s123*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s12*s123*s23*z12) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(16*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s124*s23*z12) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s124*s23*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(s123*s124*s23*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z3)/
    (s12*s123*s134*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z3)/(2*s12*s123*s134*z12) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(2*s123*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s12*s123*s234*z12) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s123*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (2*s123*s23*s234*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (2*s124*s23*s234*z12) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3)/(s123*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z3)/
    (2*s123*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z3)/(s123*s23*s234*z12) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(2*s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z3)/
    (s12*s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s14^2*z3)/(s12*s124*s23*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s12*s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s23*z12) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s124*s23*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (s123*s124*s23*z12) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s124*s14*s23*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*s24*z3)/(s12*s124*s23*s234*z12) + (7*CA*(CA - 2*CF)*s1234*z3)/
    (16*s123*s34*z12) - (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s124*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s124*s34*z12) - (5*CA*(CA - 2*CF)*s1234*z3)/(16*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s134*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(16*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s134*s34*z12) + 
   (7*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s123*s23*s34*z12) + 
   (7*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s123*s23*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s123*s23*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z3)/(16*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/(32*s12*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z3)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z3)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z3)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s234*s34*z12) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s234*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s234*s34*z12) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s23*s234*s34*z12) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s23*s234*s34*z12) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s23*s234*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s23*s234*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (8*s23*s234*s34*z12) - (3*CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s23*s234*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/
    (32*s12*s23*s234*s34*z12) - (CA*(CA - 2*CF)*s1234*s14^2*z3)/
    (16*s12*s23*s234*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s34*z12) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s134*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s134*s34*z12) + (5*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s124*s14*s34*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s134*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s14*s34*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (2*s123*s23*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (8*s123*s23*s34*z12) + (5*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s23*s234*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s23*s234*s34*z12) - (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (16*s12*s23*s234*s34*z12) - (CA*(CA - 2*CF)*s1234*z3)/(8*s12*s123*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s124*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/
    (2*s123*s124*z14) - (CF*(-CA + 2*CF)*s1234*z3)/(s134^2*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*z3)/(4*s134^2*z14) + (CA*(CA - 2*CF)*s1234*z3)/
    (16*s12*s134*z14) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s134*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s134*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(2*s123*s134*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*z3)/
    (16*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s14*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s123*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z3)/(2*s123*s134*s14*z14) - (5*CA*(CA - 2*CF)*s1234*z3)/
    (16*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*z3)/(16*s123*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s124*s23*z14) + (CA*(CA - 2*CF)*s1234*s13*z3)/(16*s12*s123*s23*z14) + 
   (7*CA*(CA - 2*CF)*s1234*z3)/(16*s134*s23*z14) - 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s23*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(8*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s124*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s134*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s124*s23*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s134*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(2*s134*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s134*s14*s234*z14) + (CA*(CA - 2*CF)*s1234*z3)/(4*s23*s234*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s23*s234*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s14*s23*s234*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s23*z14) + (5*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s124*s14*s23*z14) - (CF*(-CA + 2*CF)*s1234*s13*z3)/(s134^2*s34*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*z3)/(4*s134^2*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s34*z14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s124*s134*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(s124*s134*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s12*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s12*s134*s34*z14) + (CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s124*s14*s34*z14) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s124*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s134*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s124*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s124*s34*z14) - (CF*(-CA + 2*CF)*s1234*s14*z3)/(s134^2*s34*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s14*z3)/(4*s134^2*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s134*s34*z14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s124*s134*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(s124*s134*s34*z14) + (5*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s23*s34*z14) - (3*CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s134*s23*s34*z14) + (7*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s23*s34*z14) - (3*CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s134*s23*s34*z14) + (3*CA*(CA - 2*CF)*s12*s1234*s13*z3)/
    (16*s134*s14*s23*s34*z14) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/
    (32*s134*s14*s23*s34*z14) + (7*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s134*s23*s34*z14) - (3*CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s134*s23*s34*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s124*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (2*s124*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s134*s234*s34*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s134*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z3)/(2*s134*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12^2*s1234*z3)/
    (s124*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z3)/(s134*s14*s234*s34*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s124*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(2*s124*s234*s34*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s134*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(2*s134*s234*s34*z14) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (8*s23*s234*s34*z14) - (3*CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s12^2*s1234*z3)/
    (16*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/
    (32*s14*s23*s234*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s34*z14) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s124*s134*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (s124*s134*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s124*s14*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (2*s134*s23*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (8*s134*s23*s34*z14) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s124*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s124*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3)/(s124*s14*s234*s34*z14) + (5*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (16*s14*s23*s234*s34*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z3)/(s123*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z3)/
    (2*s123*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*s34*z3)/
    (16*s12*s123*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s34*z3)/
    (16*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z3)/
    (16*s123*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s123*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s134*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s23*z12*z14) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s123*s14*s23*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s134*s34*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*z3)/
    (16*s12*s123*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s123*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s12*s124*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s124*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s124*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(2*s123*s124*z23) + 
   (CF*(-CA + 2*CF)*s1234*s13*z3)/(2*s12*s123^2*z23) + 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s123*s14*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s123*s14*z23) + (5*CA*(CA - 2*CF)*s1234*z3)/(16*s124*s14*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(4*s12*s123*s14*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*z3)/(16*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s124*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s123*s124*s23*z23) + (CF*(-CA + 2*CF)*s1234*s13*z3)/
    (2*s123^2*s23*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s12*s123*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s12*s123*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s12*s124*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s12*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*z3)/(s123*s124*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z3)/(2*s123*s124*s23*z23) + (CF*(-CA + 2*CF)*s1234*s13^2*z3)/
    (2*s12*s123^2*s23*z23) - (3*CA*(CA - 2*CF)*s1234*z3)/(8*s134*s23*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s23*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(4*s124*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s124*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(4*s124*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z3)/(4*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s134*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(8*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s134*s14*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*z3)/(s12*s123*s124*s23*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s124*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/
    (2*s124*s234*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z3)/(s12*s123*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s12*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*z3)/
    (8*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s13*z3)/(4*s12*s23*s234*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s14*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s14*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s23*s234*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s134*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (2*s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s23*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s124*s14*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s124*s23*s234*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s12*s123*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z3)/
    (s12*s124*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*z3)/(16*s123*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(4*s12*s123*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s134*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s34*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s123*s134*s34*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s134*s14*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s134*s14*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s123*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s123*s134*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (2*s123*s134*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s123*s23*s34*z23) - (5*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s123*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z3)/
    (4*s12*s123*s23*s34*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (16*s134*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s134*s23*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z3)/(s123*s134*s23*s34*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z3)/
    (s123*s134*s23*s34*z23) - (CA*(CA - 2*CF)*s12^2*s1234*z3)/
    (16*s134*s14*s23*s34*z23) - (5*CA*(CA - 2*CF)*s12*s1234*s13*z3)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z3)/
    (4*s134*s14*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s123*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s14*z3)/
    (16*s12*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/
    (32*s12*s123*s23*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s14*z3)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s14*z3)/
    (2*s123*s134*s23*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z3)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z3)/
    (2*s123*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*z3)/(8*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(4*s12*s234*s34*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s134*s234*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s234*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s234*s34*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s134*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (2*s134*s234*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s134*s23*s34*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s23*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (8*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/
    (32*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (2*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s12*s23*s234*s34*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s134*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3)/(16*s14*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/(32*s14*s23*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s14*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(16*s14*s23*s234*s34*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z3)/(16*s12*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/(32*s12*s23*s234*s34*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z3)/
    (s134*s23*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s24*z3)/(2*s134*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3)/(16*s12*s124*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3)/(8*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z3)/(16*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z3)/(8*s12*s123*s14*s23*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z3)/
    (s124*s23*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z3)/(2*s124*s23*s234*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z3)/
    (s12*s123*s23*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s34*z3)/(s12*s124*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (2*s12*s123*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s12*s123*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (4*s12*s124*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s12*s124*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s14*z14*z23) - (5*CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s14*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s134*s14*z14*z23) - (5*CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s23*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s123*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s124*s23*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s134*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s14*s234*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s14*s234*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (2*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (8*s12*s124*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (4*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s134*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s14*s23*s234*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (4*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (2*s134*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s134*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s134*s14*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12^2*s1234*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (4*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s14*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (2*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (8*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/
    (4*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (4*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (4*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/
    (4*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z3)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34^2*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s12*s123*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s123*s23*z12*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (16*s12*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (16*s12*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s12*s123*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s12*s123*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s12*s124*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s12*s124*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s123*s23*z14*z23) + (9*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (4*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s12*s123*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s134*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s134*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s123*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (4*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (16*s134*s23*s34*z14*z23) - (5*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (8*s134*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*s13*z2*z3)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z3)/
    (32*s134*s14*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (2*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (16*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12^2*s1234*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z3)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (4*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (16*s134*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s12*s123*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (4*s12*s123*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (8*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (8*s12*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (4*s123*s23*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (8*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (4*s12*s123*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (8*s12*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2*z3)/
    (8*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2*z3)/
    (8*s124*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (4*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (8*s124*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z3)/
    (8*s12*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/
    (4*s12*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (8*s12*s123*s14*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (8*s12*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (8*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (4*s124*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/
    (8*s12*s123*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/(8*s12*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z3)/(8*s12*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(8*s12*s123*s14*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(8*s12*s124*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(8*s123*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(8*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2*z3)/(8*s12*s123*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2*z3)/(8*s12*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s12*s123*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s134*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(32*s134*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(32*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(32*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(8*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(32*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s134*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(16*s134*s34*z14*z23) + 
   (7*CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s134*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(32*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/(32*s134*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12^2*s1234*z3^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z3^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(4*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(16*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3^2)/(8*s23*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(32*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(8*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/(32*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12^2*s1234*z3^2)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3^2)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(32*s134*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(32*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3^2)/(32*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z3^2)/(16*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3^2)/(16*s123*s14*s23*z14*z23) - 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s123*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s12*s123*z34) + 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s124*z34) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s12*s124*z34) - (CF*(-CA + 2*CF)*s1234*z1)/(s134^2*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*z1)/(4*s134^2*z34) + (7*CA*(CA - 2*CF)*s1234*z1)/
    (16*s12*s134*z34) - (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s134*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s134*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(2*s123*s134*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s124*s134*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(2*s124*s134*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s12*s124*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s124*s14*z34) - 
   (CF*(-CA + 2*CF)*s1234*s13*z1)/(s134^2*s14*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*z1)/(4*s134^2*s14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1)/(16*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s14*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s134*s14*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s134*s14*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s124*s134*s14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(2*s124*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*z1)/
    (8*s123*s23*z34) + (CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s23*z34) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s134*s23*z34) + (CA*(CA - 2*CF)*s1234*s13*z1)/(16*s134*s14*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s134*s14*s23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(16*s12*s123*s23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(8*s12*s124*s14*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s124*s14*z34) + 
   (5*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s134*s14*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s134*s14*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s124*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s12*s234*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z1)/
    (2*s123*s234*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1)/(s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (2*s124*s14*s234*z34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1)/(s134*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (s134*s14*s234*z34) + (5*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (2*s12*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (8*s12*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s23*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s124*s14*s234*z34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s134*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (s134*s14*s234*z34) + (5*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s23*s234*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (16*s12*s123*s34*z34) - (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s134*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(2*s123*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s134*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z1)/
    (16*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1)/
    (16*s12*s123*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z1)/(s123*s134*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z1)/
    (2*s123*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s23*z1)/
    (8*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s134*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1)/(s124*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/
    (32*s12*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s23*z1)/
    (16*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/
    (32*s12*s134*s14*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z1)/(s124*s134*s14*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s23^2*z1)/(16*s12*s124*s14*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s234*s34*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s123*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s123*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s14*s234*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s23^2*z1)/(s124*s14*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s34*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1)/
    (16*s12*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s123*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s123*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s234*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*s24*z1)/(s124*s14*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s124*s14*z34) - (CF*(-CA + 2*CF)*s1234*s34*z1)/(s134^2*s14*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*s34*z1)/(4*s134^2*s14*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s34*z1)/(16*s12*s134*s14*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s12*s134*s14*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s124*s134*s14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s124*s134*s14*z34) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s123*s23*z34) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s134*s14*s23*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s124*s14*s234*z34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s134*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (s134*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s12*s123*z12*z34) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s12*s124*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (32*s12*s124*z12*z34) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s12*s134*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (32*s12*s134*z12*z34) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (4*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (16*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (32*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (16*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (32*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1^2)/
    (16*s12*s123*s23*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (8*s12*s124*s14*z12*z34) - (3*CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (32*s12*s124*s14*z12*z34) + (7*CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s134*s14*z12*z34) - (3*CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (32*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1^2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (32*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s23*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23^2*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23^2*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23^2*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23^2*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z2)/
    (4*s12*s134*z34) + (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s134*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s124*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s134*s14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s124*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*z2)/(4*s123*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s123*s23*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s23*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s23*z34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s134*s23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s134*s23*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s14*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s124*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*z2)/
    (4*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*z2)/(16*s23*s234*z34) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s23*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s23*s234*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (4*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (16*s12*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s124*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s134*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s124*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s134*s14*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z2)/(s124*s134*s14*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s12*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(16*s12*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s134*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s134*s23*s34*z34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z2)/
    (s123*s134*s23*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2*z2)/(2*s123*s134*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s134*s14*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(32*s134*s14*s23*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z2)/(16*s12*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/(16*s12*s123*s23*s34*z34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2)/
    (s123*s134*s23*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s14*z2)/(2*s123*s134*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2)/(16*s12*s124*s14*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s14*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*z2)/(s124*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s123*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s124*s14*s234*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s12*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(32*s12*s23*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2)/
    (s123*s23*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z2)/(2*s123*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s14*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(32*s14*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s12*s123*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(32*s12*s123*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(16*s12*s124*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(4*s12*s134*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(16*s12*s134*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s124*s14*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(16*s12*s124*s14*z12*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(8*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(4*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(16*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(4*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s12*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/(32*s12*s123*s23*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/(16*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(4*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/(16*s12*s134*s14*z12*z34) + 
   (9*CA*(CA - 2*CF)*s1234*z1*z2)/(16*s12*s234*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*z1*z2)/(32*s12*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(16*s23*s234*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s12*s23*s234*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/(16*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/(32*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(4*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(16*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s12*s123*s23*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s12*s124*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/(32*s12*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1*z2)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(8*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/(32*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z2)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z2)/(32*s12*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z1*z2)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z2)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z1*z2)/(16*s12*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s12*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/(32*s12*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/(32*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/(32*s12*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z2)/(16*s12*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(2*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(8*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(4*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(4*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(16*s12*s123*s23*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(16*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/(8*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/(32*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/(8*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2^2)/(32*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2^2)/(16*s12*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(32*s12*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2^2)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/(32*s12*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2^2)/(32*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/(8*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/(32*s12*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/(32*s12*s23*s234*s34*z12*z34) + 
   (5*CA*(CA - 2*CF)*s1234*z3)/(16*s12*s124*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s124*z34) + 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s12*s134*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s12*s134*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*z3)/
    (s124*s134*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z3)/
    (2*s124*s134*z34) + (3*CA*(CA - 2*CF)*s1234*z3)/(16*s124*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s14*z34) + 
   (CF*(-CA + 2*CF)*s1234*s13*z3)/(2*s134^2*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*
     z3)/(s124*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s12*s134*s14*z34) - (3*CA*(CA - 2*CF)*s1234*z3)/(16*s123*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(4*s12*s123*s23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s134*s23*z34) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s134*s23*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s123*s134*s23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (2*s123*s134*s23*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3)/(s123*s134*s23*z34) - (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s134*s14*s23*z34) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s134*s14*s23*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s123*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     z3)/(s124*s234*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*z3)/(2*s124*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*z3)/(s124*s14*s234*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s134*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*z3)/(8*s23*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s23*s234*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s123*s23*s234*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s123*s23*s234*z34) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s23*s234*z34) - (3*CA*(CA - 2*CF)*s1234*z3)/(8*s123*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(8*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(4*s12*s124*s34*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s12*s124*s34*z34) + 
   (CF*(-CA + 2*CF)*s1234*s13*z3)/(2*s134^2*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s134*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*
     z3)/(s124*s134*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s12*s134*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*z3)/(s124*s134*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z3)/(2*s124*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s124*s14*s34*z34) + (CF*(-CA + 2*CF)*s1234*s13^2*z3)/
    (2*s134^2*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s134*s14*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z3)/(s124*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z3)/
    (4*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s123*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z3)/
    (4*s12*s124*s34*z34) - (3*CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s124*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s134*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*z3)/(s124*s134*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s14*z3)/(2*s124*s134*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z3)/
    (4*s12*s123*s23*s34*z34) - (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s134*s23*s34*z34) - (5*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s134*s23*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z3)/(s123*s134*s23*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z3)/
    (2*s123*s134*s23*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z3)/(s123*s134*s23*s34*z34) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z3)/(16*s134*s14*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/(32*s134*s14*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z3)/(4*s134*s14*s23*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s123*s23*s34*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s14*z3)/(16*s12*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s134*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s134*s23*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z3)/
    (s123*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s14*z3)/(2*s123*s134*s23*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z3)/
    (s123*s134*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s14^2*z3)/
    (16*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s23*z3)/
    (16*s12*s124*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z3)/
    (8*s12*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z3)/
    (16*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z3)/
    (8*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*z3)/(8*s234*s34*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s123*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s12*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s12*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3)/(s123*s234*s34*z34) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s14*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z3)/(s124*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z3)/
    (2*s124*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s23*z3)/(s124*s14*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z3)/
    (s134*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s12*s134*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s123*s23*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (2*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (8*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/
    (32*s12*s123*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s124*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s124*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3)/(s124*s14*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s134*s14*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s24*z3)/(s123*s23*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z3)/
    (2*s123*s23*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s12*s23*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s123*s23*s234*s34*z34) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z3)/(16*s14*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/(32*s14*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(4*s14*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3)/(16*s12*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/(32*s12*s23*s234*s34*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z1*z3)/(16*s12*s123*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1*z3)/(32*s12*s123*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s12*s134*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(4*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(16*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(2*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(16*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(2*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(16*s123*s23*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s12*s123*s23*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z1*z3)/(16*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/(32*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(16*s12*s134*s14*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z3)/(8*s12*s234*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1*z3)/(32*s12*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(4*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(16*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(8*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3)/(8*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/(32*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(2*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(8*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s12*s134*s14*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s12*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s123*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z3)/(8*s124*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1*z3)/(32*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s12*s124*s34*z12*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z1*z3)/(16*s134*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1*z3)/(32*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1*z3)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14^2*z1*z3)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(32*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z3)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(32*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z3)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z1*z3)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s12*s123*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s124*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(4*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/(16*s12*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/(4*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z3)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/(16*s12*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(2*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(8*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(4*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/(4*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z3)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(4*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(4*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s12*s124*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(16*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(16*s12*s123*s23*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z2*z3)/(8*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(16*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(4*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(16*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(32*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(16*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(32*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(32*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/(32*s12*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(32*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14^2*z2*z3)/(32*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2*z3)/(16*s12*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z2*z3)/(16*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(32*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(32*s12*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(32*s12*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/(32*s12*s23*s234*s34*z12*z34) + 
   (9*CA*(CA - 2*CF)*s1234*s14*z2*z3)/(16*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(32*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/(16*s12*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14^2*z2*z3)/(32*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/(32*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z2*z3)/(32*s12*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/(32*s12*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z2*z3)/(32*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s12*s123*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s134*s14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s123*s23*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s12*s123*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s134*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s134*s14*s23*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s12*s23*s234*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s14*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s134*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s134*s14*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(16*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(16*s12*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(16*s14*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s12*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s134*s14*s23*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s12*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(8*s12*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(8*s14*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3)/(16*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3)/(16*s12*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3)/(16*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s134*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(8*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(8*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s14*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(16*s12*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(8*s134*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z2*z3)/(8*s134*s14*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(16*s134*s14*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(8*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s14*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(16*s12*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z2*z3)/(8*s14*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(16*s14*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z3)/(4*s12*s123*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z3)/(4*s123*s23*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/(4*s12*s123*s23*z12*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z2*z3)/(8*s12*s234*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/(8*s12*s23*s234*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/(8*s12*s23*s234*z12*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/(8*s12*s23*s234*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z3)/(8*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/(4*s12*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/(8*s12*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/(8*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z3)/(8*s12*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/(8*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1*z2*z3)/(8*s12*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z3)/(8*s12*s123*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/(8*s12*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/(8*s12*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z3)/(8*s12*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/(8*s12*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/(8*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/(8*s12*s123*s23*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/(4*s12*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/(8*s12*s23*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z2*z3)/(8*s12*s23*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z3)/(8*s12*s23*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(4*s12*s23*s234*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(16*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(4*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(16*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(32*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3^2)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/(32*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/(32*s123*s23*s34*z12*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s14*z3^2)/(16*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s14*z3^2)/(32*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z3^2)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3^2)/(32*s12*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14^2*z3^2)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14^2*z3^2)/(32*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3^2)/(16*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3^2)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(32*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(8*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/(32*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(8*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/(32*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3^2)/(8*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s14*z3^2)/(32*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z3^2)/(8*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3^2)/(32*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14^2*z3^2)/(8*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14^2*z3^2)/(32*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(32*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3^2)/(32*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(32*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/(8*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3^2)/(32*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s134*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(16*s12*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(16*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s134*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3^2)/(16*s134*s14*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(16*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z3^2)/(16*s12*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(16*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(16*s12*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/(16*s14*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/(16*s12*s23*s234*s34*z23*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s12*s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*z4)/
    (4*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/(16*s124*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s134*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s134*s14*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s123*s134*s14*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s124*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s124*s134*s14*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z4)/(s12*s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z4)/
    (2*s12*s123*s134*s14*z12) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s124*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s123*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s124*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s124*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s123*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s123*s14*s23*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z4)/(s12*s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z4)/
    (2*s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s12*s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13^2*z4)/
    (s12*s123*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z4)/(s12*s124*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z4)/
    (s12*s124*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z4)/(2*s12*s124*s134*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s12*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(32*s12*s124*s14*s23*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z4)/
    (s12*s124*s23*s234*z12) - (CA*(CA - 2*CF)*s1234*z4)/(4*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s134*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s124*s14*s34*z12) + 
   (7*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s134*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/(16*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(32*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(4*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(16*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z4)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(32*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z4)/(16*s12*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(32*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(32*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s123*s14*z14) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s123*s14*z14) - (CA*(CA - 2*CF)*s1234*z4)/(4*s124*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s124*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s123*s14*z14) + 
   (CF*(-CA + 2*CF)*s1234*s13*z4)/(s134^2*s14*z14) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z4)/(4*s134^2*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s134*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s134*s14*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s124*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(16*s12*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(4*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s134*s14*s23*z14) - 
   (7*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s134*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s134*s14*s23*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s134*s14*s234*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s134*s14*s234*z14) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (4*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s23*s234*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s123*s14*s23*z14) - (5*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s124*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s124*s34*z14) + (CF*(-CA + 2*CF)*s1234*s13*z4)/(s134^2*s34*z14) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z4)/(4*s134^2*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s134*s34*z14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s124*s134*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(s124*s134*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s124*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s124*s14*s34*z14) + (CF*(-CA + 2*CF)*s1234*s13^2*z4)/
    (s134^2*s14*s34*z14) - (CF*(-CA + 2*CF)*D*s1234*s13^2*z4)/
    (4*s134^2*s14*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s134*s14*s34*z14) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z4)/(s124*s134*s14*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z4)/
    (s124*s134*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s134*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s134*s14*s34*z14) - (7*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s23*s34*z14) + (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s23*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (4*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/
    (16*s134*s14*s23*s34*z14) - (7*CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s134*s14*s23*s34*z14) + (3*CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s134*s14*s23*s34*z14) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s124*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s124*s234*s34*z14) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s134*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s134*s234*s34*z14) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z4)/(s124*s14*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z4)/
    (2*s124*s14*s234*s34*z14) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z4)/(s134*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z4)/
    (2*s134*s14*s234*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s23*s234*s34*z14) - (5*CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (16*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/
    (16*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (4*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s124*s14*s34*z14) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s124*s134*s14*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (s124*s134*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (2*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (8*s134*s14*s23*s34*z14) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s124*s14*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (2*s124*s14*s234*s34*z14) - (5*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s34*z4)/
    (4*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z4)/
    (16*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*s34*z4)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s12*s124*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s12*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s12*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s34*z1*z4)/
    (8*s12*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z4)/
    (8*s12*s124*s14*s23*z12*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*z4)/(4*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s123*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s124*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s14*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13^2*z4)/(s12*s123*s124*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s134*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s12*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s23*s234*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s134*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s134*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s14*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s12*s124*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s134*s34*z23) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s134*s34*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s123*s134*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s123*s134*s34*z23) + (7*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s34*z23) - (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s123*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s123*s23*s34*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13*z4)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z4)/
    (2*s123*s134*s23*s34*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z4)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z4)/
    (2*s123*s134*s23*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/
    (16*s134*s14*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*z4)/(4*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s234*s34*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s134*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s134*s234*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (4*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (16*s14*s234*s34*z23) + (5*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s23*s234*s34*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s134*s23*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (2*s134*s23*s234*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z4)/
    (16*s12*s124*s14*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z4)/(s12*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s12*s124*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s14*z14*z23) - (5*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (8*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s134*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s134*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (8*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (2*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (8*s12*s123*s14*z14*z23) + (9*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s14*s234*z14*z23) - (3*CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s14*s234*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s14*s23*s234*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s124*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s134*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s134*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (8*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (4*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s14*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (4*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (4*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (16*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s34*z1*z4)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z4)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z4)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34^2*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s12*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s12*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s12*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s12*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (4*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (4*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z4)/
    (32*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s14*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/
    (4*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z4)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (4*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (4*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z2*z4)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (4*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z2*z4)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s12*s124*z14*z23) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (4*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s134*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (32*s134*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (8*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (32*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (32*s23*s234*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (4*s134*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s134*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (16*s134*s14*s34*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (8*s134*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/
    (32*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (32*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12^2*s1234*z3*z4)/
    (32*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/
    (32*s134*s14*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (4*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (16*s14*s234*s34*z14*z23) + (9*CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (16*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/
    (32*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (32*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12^2*s1234*z3*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z3*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/
    (32*s134*s14*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z3*z4)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z3*z4)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z3*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z3*z4)/
    (16*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s124*s14*z34) + (CF*(-CA + 2*CF)*s1234*s13*z4)/(s134^2*s14*z34) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z4)/(4*s134^2*s14*z34) - 
   (7*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s134*s14*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s134*s14*z34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s124*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s124*s134*s14*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s123*s23*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s23*z34) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s124*s14*s234*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s124*s14*s234*z34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s134*s14*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (s134*s14*s234*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*z4)/(4*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s123*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s12*s124*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s34*z34) + 
   (CF*(-CA + 2*CF)*s1234*s13*z4)/(s134^2*s34*z34) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z4)/(4*s134^2*s34*z34) - 
   (7*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s134*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s134*s34*z34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s124*s134*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s124*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (4*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s124*s14*s34*z34) + (CF*(-CA + 2*CF)*s1234*s13^2*z4)/
    (s134^2*s14*s34*z34) - (CF*(-CA + 2*CF)*D*s1234*s13^2*z4)/
    (4*s134^2*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s134*s14*s34*z34) - (7*CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s134*s14*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s134*s14*s34*z34) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z4)/(s124*s134*s14*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z4)/
    (2*s124*s134*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s134*s14*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z4)/
    (16*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (4*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s12*s134*s34*z34) - (5*CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (16*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (4*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/
    (16*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*z4)/(4*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s14*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s14*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z4)/(4*s12*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z4)/(16*s12*s234*s34*z34) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z4)/
    (s124*s14*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s23*z4)/(2*s124*s14*s234*s34*z34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z4)/
    (s134*s14*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s23*z4)/(s134*s14*s234*s34*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s12*s124*s14*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s12*s124*s14*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(2*s12*s134*s14*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(8*s12*s134*s14*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s12*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(32*s12*s123*s23*s34*z34) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z4)/
    (s124*s14*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z4)/(2*s124*s14*s234*s34*z34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z4)/
    (s134*s14*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z4)/(s134*s14*s234*s34*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s12*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(32*s12*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s14*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(32*s14*s23*s234*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z4)/(16*s12*s124*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(32*s12*s124*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s12*s134*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(32*s12*s134*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z4)/(8*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(16*s124*s14*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(4*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(16*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s12*s134*s14*z12*z34) + 
   (9*CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s124*s14*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(32*s12*s124*s14*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s12*s134*s14*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(32*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(16*s12*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z4)/(16*s12*s23*s234*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(4*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(32*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z1*z4)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z1*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(4*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z4)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z4)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(16*s12*s124*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(16*s12*s134*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(16*s124*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(16*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(16*s134*s23*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s134*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s124*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s14*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(16*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(16*s12*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/(16*s12*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(16*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(16*s14*s23*s234*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(16*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(16*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(4*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(32*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z4)/(32*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/(4*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z2*z4)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z2*z4)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(4*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(32*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/(4*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z4)/(32*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(4*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(32*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(4*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(32*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s14*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(16*s12*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(16*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s14*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(16*s12*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(16*s14*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s123*s34*z12*z34) + 
   (9*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s124*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s124*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s12*s123*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(4*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(2*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(8*s123*s23*s34*z12*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(8*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/(32*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(4*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(16*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z3*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3*z4)/(32*s12*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(32*s12*s134*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(32*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z3*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s12*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/(32*s12*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z3*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3*z4)/(32*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14^2*z3*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s12*s134*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(4*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(16*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(32*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(32*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s12*s134*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s14*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(16*s134*s14*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s134*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s14*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s23*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(16*s14*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(8*s12*s134*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(8*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s12*s134*s14*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z3*z4)/(8*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s12*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s12*s134*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(4*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z3*z4)/(8*s12*s134*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3*z4)/(8*s12*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3*z4)/(8*s12*s134*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(8*s12*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(8*s12*s134*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(8*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z3*z4)/(8*s12*s134*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(4*s12*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s12*s134*s34*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(8*s12*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(8*s12*s134*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3*z4)/(8*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3*z4)/(8*s12*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s12*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s134*s14*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z3*z4)/(8*s12*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s14*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3*z4)/(8*s12*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s134*s14*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(8*s134*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(8*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s134*s14*s23*z14*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z3*z4)/(8*s14*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(8*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s134*s14*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(4*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s134*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s134*s14*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(8*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z1*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(8*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(4*s14*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3*z4)/(8*s134*s14*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3*z4)/(8*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s134*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(4*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4^2)/(32*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(32*s134*s14*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(16*s14*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4^2)/(32*s14*s23*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(32*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(32*s134*s14*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(32*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z4^2)/(16*s12*s124*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s12*s134*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(16*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(4*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(32*s12*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4^2)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4^2)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z4^2)/(16*s12*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s134*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s134*s14*s23*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s12*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s134*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s134*s14*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s12*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s14*s23*s234*s34*z14*z34)) + 
 k4k2*((2*CF*(-CA + 2*CF)*s1234)/s123^2 - (3*CF*(-CA + 2*CF)*D*s1234)/
    (2*s123^2) + (CF*(-CA + 2*CF)*D^2*s1234)/(4*s123^2) - 
   (CA*(CA - 2*CF)*D*s1234)/(8*s12*s123) + (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s12*s123) - (5*CA*(CA - 2*CF)*s1234)/(4*s12*s124) + 
   (7*CA*(CA - 2*CF)*D*s1234)/(16*s12*s124) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s12*s124) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s123*s124) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s123*s124) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234)/
    (2*s123*s124) + (CF*(-CA + 2*CF)*s1234*s13)/(s12*s123^2) - 
   (3*CF*(-CA + 2*CF)*D*s1234*s13)/(4*s12*s123^2) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s13)/(8*s12*s123^2) + 
   (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s12*s123*s124) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s12*s123*s124) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s12*s123*s124) + (2*CF*(-CA + 2*CF)*s1234)/s134^2 - 
   (3*CF*(-CA + 2*CF)*D*s1234)/(2*s134^2) + (CF*(-CA + 2*CF)*D^2*s1234)/
    (4*s134^2) + (CA*(CA - 2*CF)*s1234)/(4*s12*s134) + 
   (CA*(CA - 2*CF)*D*s1234)/(16*s12*s134) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s12*s134) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s124*s134) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s124*s134) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234)/
    (2*s124*s134) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/
    (s12*s123*s134) - (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13)/(s12*s123*s134) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13)/(2*s12*s123*s134) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s12*s124*s134) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s12*s124*s134) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s12*s124*s134) + (CA*(CA - 2*CF)*s1234)/(4*s123*s14) + 
   (CA*(CA - 2*CF)*D*s1234)/(16*s123*s14) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s123*s14) - (5*CA*(CA - 2*CF)*s1234)/(4*s124*s14) + 
   (7*CA*(CA - 2*CF)*D*s1234)/(16*s124*s14) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s124*s14) + (CA*(CA - 2*CF)*s1234*s13)/(8*s12*s123*s14) - 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s123*s14) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s124*s14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s124*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s124*s14) + (CF*(-CA + 2*CF)*s1234*s13)/(s134^2*s14) - 
   (3*CF*(-CA + 2*CF)*D*s1234*s13)/(4*s134^2*s14) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s13)/(8*s134^2*s14) - 
   (CA*(CA - 2*CF)*D*s1234)/(8*s134*s14) + (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s134*s14) + (CA*(CA - 2*CF)*s1234*s13)/(8*s12*s134*s14) - 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s134*s14) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s134*s14) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s134*s14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s134*s14) + (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s124*s134*s14) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s124*s134*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s124*s134*s14) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2)/(s12*s123*s134*s14) - (CA*(CA - 2*CF)*D*s1234)/
    (8*s123*s23) + (CA*(CA - 2*CF)*D^2*s1234)/(32*s123*s23) + 
   (CF*(-CA + 2*CF)*s1234*s13)/(s123^2*s23) - (3*CF*(-CA + 2*CF)*D*s1234*s13)/
    (4*s123^2*s23) + (CF*(-CA + 2*CF)*D^2*s1234*s13)/(8*s123^2*s23) + 
   (5*CA*(CA - 2*CF)*s1234*s13)/(4*s12*s123*s23) - 
   (5*CA*(CA - 2*CF)*D*s1234*s13)/(8*s12*s123*s23) + 
   (CA*(CA - 2*CF)*D^2*s1234*s13)/(16*s12*s123*s23) + 
   (CA*(CA - 2*CF)*s1234*s13)/(4*s12*s124*s23) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (4*s12*s124*s23) + (CA*(CA - 2*CF)*D^2*s1234*s13)/(32*s12*s124*s23) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s124*s23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s124*s23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s124*s23) + (2*CF*(-CA + 2*CF)*s1234*s13^2)/
    (s12*s123^2*s23) - (5*CF*(-CA + 2*CF)*D*s1234*s13^2)/(4*s12*s123^2*s23) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s13^2)/(8*s12*s123^2*s23) + 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2)/
    (s12*s123*s124*s23) - (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2)/(s12*s123*s124*s23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13^2)/
    (2*s12*s123*s124*s23) + (CA*(CA - 2*CF)*s1234)/(4*s134*s23) + 
   (CA*(CA - 2*CF)*D*s1234)/(16*s134*s23) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s134*s23) - (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s123*s134*s23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234)/(s123*s134*s23) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s123*s134*s23) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s134*s23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s134*s23) + (7*CA*(CA - 2*CF)*s1234*s13)/(8*s123*s14*s23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13)/(16*s123*s14*s23) + 
   (CA*(CA - 2*CF)*s1234*s13)/(2*s124*s14*s23) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (16*s124*s14*s23) + (CA*(CA - 2*CF)*s1234*s13^2)/(2*s12*s123*s14*s23) - 
   (CA*(CA - 2*CF)*s12*s1234)/(4*s134*s14*s23) + (CA*(CA - 2*CF)*D*s12*s1234)/
    (16*s134*s14*s23) + (7*CA*(CA - 2*CF)*s1234*s13)/(8*s134*s14*s23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13)/(16*s134*s14*s23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14)/
    (s12*s123*s124*s23) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23)/(s12*s123*s124) + (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23)/(s12*s123*s124) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s23)/(2*s12*s123*s124) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s12*s123*s134) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s12*s123*s134) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/
    (s12*s124*s134) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s12*s124*s134) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/
    (s123*s124*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s123*s124*s14) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/
    (s123*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/
    (s123*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234)/
    (2*s123*s234) + (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/
    (s12*s123*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13)/(s12*s123*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13)/(2*s12*s123*s234) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s12*s124*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s12*s124*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s12*s124*s234) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234)/(s134*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234)/(s134*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234)/(2*s134*s234) - (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234)/(s124*s14*s234) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234)/(s124*s14*s234) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s124*s14*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s124*s14*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s124*s14*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234)/(s134*s14*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s12*s1234)/(s134*s14*s234) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s134*s14*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s134*s14*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s134*s14*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s12*s123*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s14)/(s12*s123*s234) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s12*s124*s234) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s12*s124*s234) - (5*CA*(CA - 2*CF)*s1234)/(4*s23*s234) + 
   (7*CA*(CA - 2*CF)*D*s1234)/(16*s23*s234) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s23*s234) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s123*s23*s234) + (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234)/(s123*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s12*s1234)/(2*s123*s23*s234) + (CA*(CA - 2*CF)*s1234*s13)/
    (4*s12*s23*s234) - (CA*(CA - 2*CF)*D*s1234*s13)/(4*s12*s23*s234) + 
   (CA*(CA - 2*CF)*D^2*s1234*s13)/(32*s12*s23*s234) + 
   (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s23*s234) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s23*s234) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s124*s23*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s124*s23*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s124*s23*s234) + (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2)/(s12*s123*s23*s234) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13^2)/
    (s12*s123*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13^2)/(2*s12*s123*s23*s234) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2)/
    (s12*s124*s23*s234) - (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2)/(s12*s124*s23*s234) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13^2)/
    (2*s12*s124*s23*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234)/(s134*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234)/(s134*s23*s234) + 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s134*s23*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s134*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s134*s23*s234) - (CA*(CA - 2*CF)*s12*s1234)/(s14*s23*s234) + 
   (3*CA*(CA - 2*CF)*D*s12*s1234)/(8*s14*s23*s234) - 
   (CA*(CA - 2*CF)*D^2*s12*s1234)/(32*s14*s23*s234) + 
   (CA*(CA - 2*CF)*s1234*s13)/(2*s14*s23*s234) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (16*s14*s23*s234) - (CA*(CA - 2*CF)*s1234*s14)/(4*s12*s23*s234) + 
   (CA*(CA - 2*CF)*D*s1234*s14)/(16*s12*s23*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s134*s23*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/(s134*s23*s234) + 
   (16*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s123*s124*s14) - (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24)/(s12*s123*s124*s14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24)/
    (2*s12*s123*s124*s14) + (20*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s134*s14) - 
   (7*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s134*s14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s24)/(2*s12*s123*s134*s14) + 
   (16*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s124*s134*s14) - (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24)/(s12*s124*s134*s14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24)/
    (2*s12*s124*s134*s14) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s124*s23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s124*s23) + (CA*(CA - 2*CF)*s1234*s13*s24)/
    (2*s12*s123*s14*s23) - (CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s12*s123*s14*s23) + (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (2*s12*s124*s14*s23) - (7*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s12*s124*s14*s23) + (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s12*s124*s14*s23) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s23*s234) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s23*s234) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s12*s124*s23*s234) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s124*s23*s234) + (CA*(CA - 2*CF)*s1234)/(4*s123*s34) + 
   (CA*(CA - 2*CF)*D*s1234)/(16*s123*s34) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s123*s34) + (7*CA*(CA - 2*CF)*s1234*s13)/(8*s12*s123*s34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s123*s34) + 
   (CA*(CA - 2*CF)*s1234*s13)/(2*s12*s124*s34) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (16*s12*s124*s34) + (CF*(-CA + 2*CF)*s1234*s13)/(s134^2*s34) - 
   (3*CF*(-CA + 2*CF)*D*s1234*s13)/(4*s134^2*s34) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s13)/(8*s134^2*s34) - 
   (CA*(CA - 2*CF)*D*s1234)/(8*s134*s34) + (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s134*s34) + (7*CA*(CA - 2*CF)*s1234*s13)/(8*s12*s134*s34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s134*s34) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s134*s34) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s134*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s134*s34) + (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s124*s134*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s124*s134*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s124*s134*s34) + (CA*(CA - 2*CF)*s1234*s13)/(4*s124*s14*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s13)/(4*s124*s14*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s13)/(32*s124*s14*s34) + 
   (2*CF*(-CA + 2*CF)*s1234*s13^2)/(s134^2*s14*s34) - 
   (5*CF*(-CA + 2*CF)*D*s1234*s13^2)/(4*s134^2*s14*s34) + 
   (CF*(-CA + 2*CF)*D^2*s1234*s13^2)/(8*s134^2*s14*s34) + 
   (5*CA*(CA - 2*CF)*s1234*s13)/(4*s134*s14*s34) - 
   (5*CA*(CA - 2*CF)*D*s1234*s13)/(8*s134*s14*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s13)/(16*s134*s14*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13)/
    (s124*s134*s14*s34) + (CA*(CA - 2*CF)*s1234*s13^2)/(2*s12*s134*s14*s34) + 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2)/
    (s124*s134*s14*s34) - (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2)/(s124*s134*s14*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13^2)/
    (2*s124*s134*s14*s34) - (CA*(CA - 2*CF)*s1234*s14)/(4*s12*s123*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s14)/(16*s12*s123*s34) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s134*s34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s123*s134*s34) + (CA*(CA - 2*CF)*s1234*s13)/(8*s123*s23*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s123*s23*s34) + 
   (CA*(CA - 2*CF)*s1234*s13^2)/(2*s12*s123*s23*s34) + 
   (CA*(CA - 2*CF)*s1234*s13)/(8*s134*s23*s34) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (16*s134*s23*s34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13^2)/(s123*s134*s23*s34) + (CA*(CA - 2*CF)*s12*s1234*s13)/
    (8*s134*s14*s23*s34) + (CA*(CA - 2*CF)*s1234*s13^2)/
    (2*s134*s14*s23*s34) + (CA*(CA - 2*CF)*s1234*s13*s14)/
    (8*s12*s123*s23*s34) - (CA*(CA - 2*CF)*s1234*s23)/(s12*s124*s34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s23)/(8*s12*s124*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s23)/(32*s12*s124*s34) - 
   (CA*(CA - 2*CF)*s1234*s23)/(4*s12*s134*s34) + (CA*(CA - 2*CF)*D*s1234*s23)/
    (16*s12*s134*s34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23)/(s124*s134*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23)/(s124*s134*s34) - (CA*(CA - 2*CF)*s1234*s23)/
    (4*s124*s14*s34) + (CA*(CA - 2*CF)*D*s1234*s23)/(16*s124*s14*s34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23)/(8*s12*s134*s14*s34) - 
   (5*CA*(CA - 2*CF)*s1234)/(4*s234*s34) + (7*CA*(CA - 2*CF)*D*s1234)/
    (16*s234*s34) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s234*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s123*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/(s123*s234*s34) + 
   (CA*(CA - 2*CF)*s1234*s13)/(2*s12*s234*s34) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (16*s12*s234*s34) + (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13)/(s123*s234*s34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13)/(s123*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s13)/(2*s123*s234*s34) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s124*s234*s34) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s124*s234*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s124*s234*s34) + (14*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s134*s234*s34) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s134*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s134*s234*s34) - (CA*(CA - 2*CF)*s12*s1234)/(4*s14*s234*s34) + 
   (CA*(CA - 2*CF)*D*s12*s1234)/(16*s14*s234*s34) + 
   (CA*(CA - 2*CF)*s1234*s13)/(4*s14*s234*s34) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (4*s14*s234*s34) + (CA*(CA - 2*CF)*D^2*s1234*s13)/(32*s14*s234*s34) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2)/
    (s124*s14*s234*s34) - (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2)/(s124*s14*s234*s34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13^2)/
    (2*s124*s14*s234*s34) + (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2)/(s134*s14*s234*s34) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13^2)/
    (s134*s14*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13^2)/(2*s134*s14*s234*s34) - (CA*(CA - 2*CF)*s1234*s14)/
    (s12*s234*s34) + (3*CA*(CA - 2*CF)*D*s1234*s14)/(8*s12*s234*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s14)/(32*s12*s234*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/(s123*s234*s34) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s134*s234*s34) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s134*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s134*s234*s34) - (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23)/(s124*s234*s34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s124*s234*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*
     s23)/(s134*s14*s234*s34) + (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (2*s12*s124*s14*s34) - (7*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s12*s124*s14*s34) + (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s12*s124*s14*s34) + (CA*(CA - 2*CF)*s1234*s13*s24)/
    (2*s12*s134*s14*s34) - (CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s12*s134*s14*s34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s124*s134*s14*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s124*s134*s14*s34) + (CA*(CA - 2*CF)*s1234*s13*s24)/
    (2*s12*s123*s23*s34) - (CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s12*s123*s23*s34) + (20*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s123*s134*s23*s34) - 
   (7*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s123*s134*s23*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s24)/(2*s123*s134*s23*s34) + (CA*(CA - 2*CF)*s1234*s13*s24)/
    (2*s134*s14*s23*s34) - (CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s134*s14*s23*s34) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s124*s14*s234*s34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s124*s14*s234*s34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s134*s14*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s134*s14*s234*s34) + (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (2*s12*s23*s234*s34) - (7*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s12*s23*s234*s34) + (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s12*s23*s234*s34) + (16*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s123*s23*s234*s34) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s123*s23*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s24)/(2*s123*s23*s234*s34) + 
   (16*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s134*s23*s234*s34) - (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24)/(s134*s23*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24)/
    (2*s134*s23*s234*s34) + (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (2*s14*s23*s234*s34) - (7*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s14*s23*s234*s34) + (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s14*s23*s234*s34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34)/(s12*s124*s134) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s34)/(s12*s124*s134) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s124*s14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/(s123*s124*s14) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s134*s14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s123*s134*s14) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34)/(s124*s134*s14) + (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s34)/(s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s34)/(2*s124*s134*s14) - (CA*(CA - 2*CF)*s1234*s34)/
    (4*s12*s124*s23) + (CA*(CA - 2*CF)*D*s1234*s34)/(16*s12*s124*s23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s124*s23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/(s123*s124*s23) - 
   (CA*(CA - 2*CF)*s1234*s34)/(4*s123*s14*s23) + (CA*(CA - 2*CF)*D*s1234*s34)/
    (16*s123*s14*s23) - (CA*(CA - 2*CF)*s1234*s34)/(s124*s14*s23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s34)/(8*s124*s14*s23) - 
   (CA*(CA - 2*CF)*D^2*s1234*s34)/(32*s124*s14*s23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34)/(8*s12*s123*s14*s23) - 
   (8*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s124*s23*s234) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s124*s23*s234) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*
     s34)/(s12*s123*s23*s234) - (CA*(CA - 2*CF)*s1234*z1)/(16*s12*s123*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s123*z12) - 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s12*s124*z12) + 
   (CF*(-CA + 2*CF)*s1234*s13*z1)/(2*s12*s123^2*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z1)/(8*s12*s134*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s134*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s12*s124*s134*z12) - (CA*(CA - 2*CF)*s1234*z1)/(16*s123*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s124*s14*z12) - (5*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s12*s123*s14*z12) - (3*CA*(CA - 2*CF)*s1234*z1)/(16*s134*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s14*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s134*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s134*s14*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s134*s14*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z1)/(s124*s134*s14*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z1)/
    (s12*s123*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*z1)/(16*s123*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s23*z12) + 
   (CF*(-CA + 2*CF)*s1234*s13*z1)/(2*s123^2*s23*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s12*s124*s23*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s124*s23*z12) + (CF*(-CA + 2*CF)*s1234*s13^2*z1)/
    (2*s12*s123^2*s23*z12) - (CA*(CA - 2*CF)*s1234*s13*z1)/
    (4*s123*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*z1)/
    (4*s124*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s13^2*z1)/
    (4*s12*s123*s14*s23*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z1)/(s12*s123*s124*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s123*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s123*s14*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s134*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s12*s134*s14*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z1)/
    (s12*s123*s134*s14*z12) + (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(2*s123*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s124*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*z1)/
    (2*s124*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*
     z1)/(s12*s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*z1)/(2*s12*s123*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z1)/
    (s12*s124*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z1)/(2*s12*s124*s234*z12) + (3*CA*(CA - 2*CF)*s1234*z1)/
    (16*s23*s234*z12) - (CA*(CA - 2*CF)*D*s1234*z1)/(32*s23*s234*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s12*s23*s234*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s23*s234*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(16*s12*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s12*s123*s234*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s134*s14*z12) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s134*s14*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s12*s124*s134*s14*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s12*s123*s124*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (4*s12*s124*s14*s23*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s12*s124*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s12*s124*s234*z12) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s23*s234*z12) + (CA*(CA - 2*CF)*s1234*z1)/(16*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s124*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1)/(4*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(8*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1)/(4*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1)/(8*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(16*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s134*s14*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s23*z1)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23^2*z1)/(16*s12*s134*s14*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(4*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(2*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(4*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1)/(16*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(32*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1)/(8*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(32*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s23*s234*s34*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s12*s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s12*s124*s134*z12) - (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s123*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s123*s134*s14*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s124*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s124*s134*s14*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z1)/(s12*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z1)/
    (2*s12*s123*s134*s14*z12) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s124*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s124*s23*z12) - (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s123*s14*s23*z12) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s124*s14*s23*z12) - (3*CA*(CA - 2*CF)*s1234*s13*s34*z1)/
    (16*s12*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/
    (32*s12*s123*s14*s23*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s34*z1)/(s12*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*s34*z1)/
    (2*s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s12*s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s123*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z1)/
    (s12*s123*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s34*z1)/(s12*s124*s23*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1)/
    (s12*s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24*s34*z1)/(2*s12*s124*s134*s14*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*s34*z1)/(16*s12*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/(32*s12*s124*s14*s23*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1)/
    (s12*s124*s23*s234*z12) - (3*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s123*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s123*z14) + 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s12*s124*z14) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s12*s124*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z1)/(s12*s123*s124*z14) - (CA*(CA - 2*CF)*s1234*z1)/
    (16*s12*s134*z14) + (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s134*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s12*s123*s134*z14) - (3*CA*(CA - 2*CF)*s1234*z1)/(8*s123*s14*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s124*s14*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s123*s14*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s124*s14*z14) + (CF*(-CA + 2*CF)*s1234*s13*z1)/(2*s134^2*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s134*s14*z14) - (5*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s12*s134*s14*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z1)/(s12*s123*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s13*z1)/
    (4*s12*s123*s23*z14) + (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(8*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1)/(4*s12*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(8*s134*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s134*s14*s23*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s12*s123*s124*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s12*s123*s134*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s123*s124*s14*z14) - (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s134*s14*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z1)/(s12*s123*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z1)/
    (2*s12*s123*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*z1)/(s124*s234*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     D*s1234*z1)/(2*s124*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*z1)/(s134*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(2*s134*s234*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s14*s234*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z1)/
    (s124*s14*s234*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z1)/(2*s124*s14*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s134*s14*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(2*s134*s14*s234*z14) + (5*CA*(CA - 2*CF)*s1234*z1)/
    (16*s23*s234*z14) - (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s23*s234*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(16*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s14*s23*s234*z14) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s14*s23*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s134*s14*s234*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s123*s14*z14) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s14*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s12*s123*s124*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(2*s12*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s123*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s124*s14*s23*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1)/
    (s12*s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s24*z1)/(2*s12*s123*s124*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s124*s14*s234*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s124*s14*s234*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s23*s234*z14) + (CA*(CA - 2*CF)*s1234*s13*z1)/
    (4*s12*s124*s34*z14) + (CF*(-CA + 2*CF)*s1234*s13*z1)/
    (2*s134^2*s34*z14) + (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s12*s134*s34*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s124*s134*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*z1)/
    (4*s124*s14*s34*z14) + (CF*(-CA + 2*CF)*s1234*s13^2*z1)/
    (2*s134^2*s14*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s134*s14*s34*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z1)/(s124*s134*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13^2*z1)/
    (4*s12*s134*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*z1)/
    (4*s134*s23*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*s13*z1)/
    (8*s134*s14*s23*s34*z14) - (CA*(CA - 2*CF)*s1234*s13^2*z1)/
    (4*s134*s14*s23*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s124*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s124*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s134*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s134*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s124*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s124*s14*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s23*z1)/
    (16*s12*s134*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/
    (32*s12*s134*s14*s34*z14) + (3*CA*(CA - 2*CF)*s1234*z1)/
    (16*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*z1)/(32*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(16*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s14*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s14*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s124*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1)/(s134*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s23*z1)/(s124*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z1)/
    (s134*s14*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (4*s12*s124*s14*s34*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s124*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(4*s134*s14*s23*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z1)/(16*s12*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(32*s12*s124*s14*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s14*s23*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1)/
    (s124*s14*s234*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s123*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (16*s12*s123*s14*z14) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s134*s14*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z1)/(s12*s123*s134*s14*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z1)/(16*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(16*s12*s124*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s12*s124*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z1)/(16*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s124*s14*s23*z14) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s34*z1)/(16*s12*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(16*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s134*s14*s23*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z1)/
    (s12*s123*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s34*z1)/(2*s12*s123*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s134*s14*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s134*s14*s234*z14) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (4*s14*s23*s234*z14) - (3*CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s14*s23*s234*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (8*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (32*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (16*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (32*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s34^2*z1)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s12*s124*z12*z14) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s12*s134*z12*z14) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s23*z1^2)/
    (16*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/
    (16*s12*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s12*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s34*z1^2)/
    (16*s12*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/
    (16*s12*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z2)/
    (4*s12*s124*z12) + (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s124*z12) + 
   (CF*(-CA + 2*CF)*s1234*s13*z2)/(s12*s123^2*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z2)/(4*s12*s123^2*z12) - 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s12*s134*z12) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s12*s134*z12) - (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s134*s14*z12) + 
   (CF*(-CA + 2*CF)*s1234*s13*z2)/(s123^2*s23*z12) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z2)/(4*s123^2*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s123*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s23*z12) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s124*s23*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s123*s124*s23*z12) + (CF*(-CA + 2*CF)*s1234*s13^2*z2)/
    (s12*s123^2*s23*z12) - (CF*(-CA + 2*CF)*D*s1234*s13^2*z2)/
    (4*s12*s123^2*s23*z12) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s123*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s124*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s123*s14*s23*z12) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2)/(s12*s123*s124*s23*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z2)/
    (s12*s123*s124*s23*z12) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s12*s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (2*s12*s123*s234*z12) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s123*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (2*s123*s23*s234*z12) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (2*s124*s23*s234*z12) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z2)/(s12*s123*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z2)/
    (2*s12*s123*s23*s234*z12) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2)/(s12*s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z2)/
    (2*s12*s124*s23*s234*z12) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s12*s123*s124*s23*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (s12*s123*s124*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s124*s14*s23*z12) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s12*s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (2*s12*s124*s23*s234*z12) - (7*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s123*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s123*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s124*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s124*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s134*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s134*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s124*s14*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s124*s14*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s14*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s134*s14*s34*z12) + (CA*(CA - 2*CF)*s1234*s14*z2)/
    (4*s12*s123*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (16*s12*s123*s34*z12) - (7*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s123*s23*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s123*s23*s34*z12) - (7*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s123*s23*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s123*s23*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (4*s12*s123*s23*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/
    (16*s12*s123*s23*s34*z12) + (CA*(CA - 2*CF)*s1234*s23*z2)/
    (4*s12*s124*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s23*z2)/
    (16*s12*s124*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*s23*z2)/
    (16*s12*s134*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (4*s12*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s234*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s23*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s23*s234*s34*z12) - (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (4*s12*s23*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s23*s234*s34*z12) - (5*CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (16*s12*s23*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/
    (16*s12*s23*s234*s34*z12) - (5*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s124*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s134*s14*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s134*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (2*s12*s123*s23*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (8*s12*s123*s23*s34*z12) - (5*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s23*s234*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (16*s12*s23*s234*s34*z12) + (CA*(CA - 2*CF)*s1234*z2)/(4*s12*s123*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s123*z14) + 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s12*s124*z14) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s12*s124*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s12*s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z2)/(2*s12*s123*s124*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s12*s123*s134*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s124*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s134*s14*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z2)/(s12*s123*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z2)/
    (2*s12*s123*s134*s14*z14) + (7*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s123*s23*z14) - (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s123*s23*z14) + (5*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s124*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s124*s23*z14) - (CA*(CA - 2*CF)*s1234*z2)/(4*s134*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s134*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s123*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s124*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s12*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(16*s12*s123*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s134*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s134*s14*s23*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s134*s14*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s14*s23*s234*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s12*s123*s124*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z2)/
    (2*s12*s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s124*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s124*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s134*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s124*s14*s34*z14) + (CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s134*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s134*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s23*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s134*s14*s23*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z2)/(s124*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s134*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z2)/(s124*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13^2*z2)/
    (s134*s14*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s12*s1234*s13*z2)/
    (16*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s124*s14*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s124*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s14*s23*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s12*s123*s134*s14*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34*z2)/(2*s12*s123*s134*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(4*s12*s124*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(16*s12*s124*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z2)/(16*s12*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/(16*s12*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s12*s124*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s12*s134*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s124*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s123*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s134*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s124*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s123*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s124*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/(16*s12*s123*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(8*s12*s134*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s12*s124*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s12*s124*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s124*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s134*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s124*s14*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/(16*s12*s134*s14*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(8*s12*s124*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(8*s12*s134*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(8*s124*s14*s34*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z2)/(8*s12*s134*s14*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s12*s124*s14*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z2)/(8*s12*s124*s14*s34*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s12*s134*s14*z12*z14) - 
   (CF*(-CA + 2*CF)*s1234*z1)/(s123^2*z23) + (CF*(-CA + 2*CF)*D*s1234*z1)/
    (4*s123^2*z23) - (3*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s123*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s123*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s124*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(2*s123*s124*z23) - 
   (CF*(-CA + 2*CF)*s1234*s13*z1)/(s12*s123^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*z1)/(4*s12*s123^2*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s12*s123*s124*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(2*s12*s123*s124*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s134*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(2*s123*s134*z23) + 
   (7*CA*(CA - 2*CF)*s1234*z1)/(16*s123*s14*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s124*s14*z23) + (7*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s123*s14*z23) - (3*CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s12*s123*s14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1)/
    (4*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s12*s124*s14*z23) - (5*CA*(CA - 2*CF)*s1234*z1)/(16*s134*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s134*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s123*s23*z23) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s123*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s23*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z1)/
    (s123*s134*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z1)/(2*s123*s134*s23*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s134*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(2*s123*s134*s23*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z1)/
    (16*s134*s14*s23*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1)/
    (16*s134*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (16*s134*s14*s23*z23) - (CF*(-CA + 2*CF)*s1234*s23*z1)/(s12*s123^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s23*z1)/(4*s12*s123^2*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s124*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s12*s123*s124*z23) + (7*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s123*s14*z23) - (3*CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s123*s14*z23) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s124*s14*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*z1)/(s134*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D*s1234*z1)/(2*s134*s234*z23) - (CA*(CA - 2*CF)*s1234*z1)/
    (4*s14*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z1)/(16*s14*s234*z23) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(s12*s123*s234*z23) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s124*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s12*s124*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (2*s12*s123*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (8*s12*s123*s14*z23) + (5*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s124*s14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s134*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s14*s23*z23) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s12*s123*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (s12*s123*s234*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s12*s124*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s12*s124*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s23*s234*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s134*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*z1)/(16*s123*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s134*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*z1)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s123*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s123*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s134*s14*s34*z23) - (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s14*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s234*s34*z23) + (5*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s12*s123*s124*z23) + (5*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s123*s14*z23) - (3*CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s123*s14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s12*s124*s14*z23) - (3*CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s124*s14*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s123*s124*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z1)/(s12*s123*s124*s23*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z1)/(16*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s124*s14*s23*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z1)/(16*s12*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/(32*s12*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/(32*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(8*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s134*s14*s23*z23) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s12*s123*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(s12*s123*s234*z23) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s12*s124*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s12*s124*s234*z23) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s23*s234*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s134*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s14*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (16*s12*s124*s14*s23*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1)/(s12*s124*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s34^2*z1)/(16*s12*s124*s14*s23*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s34^2*z1)/
    (s12*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s12*s123*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (16*s12*s123*z14*z23) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (4*s12*s124*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (16*s12*s124*z14*z23) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (32*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (32*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (32*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s134*s14*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1^2)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s134*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1^2)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s134*s14*s34*z14*z23) + (7*CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (32*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (8*s12*s124*s14*z14*z23) - (3*CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (32*s12*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (32*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s34*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34^2*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34^2*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34^2*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34^2*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) + (CF*(-CA + 2*CF)*s1234*s13*z2)/
    (s12*s123^2*z23) - (CF*(-CA + 2*CF)*D*s1234*s13*z2)/(4*s12*s123^2*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s12*s123*s124*z23) - (7*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s123*s14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s123*s14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s124*s14*z23) + (CF*(-CA + 2*CF)*s1234*s13*z2)/(s123^2*s23*z23) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z2)/(4*s123^2*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s123*s23*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s124*s23*z23) + (CF*(-CA + 2*CF)*s1234*s13^2*z2)/
    (s12*s123^2*s23*z23) - (CF*(-CA + 2*CF)*D*s1234*s13^2*z2)/
    (4*s12*s123^2*s23*z23) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z2)/(s12*s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z2)/
    (2*s12*s123*s124*s23*z23) - (CA*(CA - 2*CF)*s1234*z2)/(4*s134*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s134*s23*z23) - 
   (7*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s123*s14*s23*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s124*s14*s23*z23) - 
   (7*CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s12*s123*s14*s23*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(32*s12*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(4*s12*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(32*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s134*s14*s23*z23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s12*s123*s234*z23) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s124*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s12*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*z2)/
    (4*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z2)/(16*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s23*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z2)/(4*s14*s23*s234*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z2)/(16*s14*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s14*s23*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s14*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(2*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(8*s12*s123*s14*s23*z23) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s12*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s12*s124*s14*s23*z23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2)/
    (s12*s123*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z2)/(s12*s123*s23*s234*z23) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2)/
    (s12*s124*s23*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z2)/(2*s12*s124*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s134*s14*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s134*s14*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s123*s23*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s123*s23*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s12*s123*s23*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(32*s12*s123*s23*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s134*s23*s34*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z2)/(16*s134*s14*s23*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s134*s14*s23*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s14*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s14*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s134*s14*s23*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(32*s134*s14*s23*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s12*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(32*s12*s23*s234*s34*z23) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s14*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(32*s14*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(4*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(16*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2)/(4*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/(16*s12*s123*s14*s23*z23) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s34*z2)/(16*s12*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/(16*s12*s124*s14*s23*z23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s12*s123*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34*z2)/(s12*s123*s23*s234*z23) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s12*s124*s23*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34*z2)/(2*s12*s124*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(16*s12*s123*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(16*s12*s124*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(16*s123*s14*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(16*s124*s14*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s123*s14*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(16*s123*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(16*s12*s123*s14*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s124*s14*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(16*s123*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s123*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(16*s12*s123*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(16*s12*s234*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s234*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s12*s123*s14*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s12*s124*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s124*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(16*s12*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(16*s12*s124*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(4*s12*s123*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(16*s12*s123*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z2)/(8*s12*s124*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(16*s12*s124*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(32*s123*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z2)/(16*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(32*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s12*s123*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(16*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(4*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(16*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(16*s14*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(4*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s12*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s12*s123*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z1*z2)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z2)/(16*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s14*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s12*s123*s14*z14*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(32*s12*s123*s14*z14*z23) + 
   (9*CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s12*s124*s14*z14*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(32*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(32*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(32*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(8*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z2)/(32*s12*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/(8*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34^2*z1*z2)/(32*s12*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34^2*z1*z2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s12*s123*s14*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s12*s124*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s124*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/(16*s12*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/(16*s12*s124*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s12*s123*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s123*s23*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/(16*s12*s123*s23*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s12*s234*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/(16*s12*s23*s234*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(4*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(16*s12*s123*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(16*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(32*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(32*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/(8*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/(32*s12*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2^2)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/(32*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/(8*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/(32*s12*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/(32*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z2^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/(8*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2^2)/(32*s12*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2^2)/(32*s12*s124*s14*s23*z14*z23) - 
   (CF*(-CA + 2*CF)*s1234*z3)/(s123^2*z12) + (CF*(-CA + 2*CF)*D*s1234*z3)/
    (4*s123^2*z12) - (CA*(CA - 2*CF)*s1234*z3)/(16*s12*s123*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s123*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s134*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(2*s123*s134*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s124*s134*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/
    (2*s124*s134*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z3)/(s12*s123*s134*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z3)/(2*s12*s123*s134*z12) + (CA*(CA - 2*CF)*s1234*z3)/
    (16*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*z3)/(8*s134*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s12*s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(2*s12*s124*s134*z12) - (CF*(-CA + 2*CF)*s12*s1234*z3)/
    (s123^2*s23*z12) + (CF*(-CA + 2*CF)*D*s12*s1234*z3)/(4*s123^2*s23*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s123*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z12) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s124*s23*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(s123*s124*s23*z12) - (CF*(-CA + 2*CF)*s1234*s13*z3)/
    (s123^2*s23*z12) + (CF*(-CA + 2*CF)*D*s1234*s13*z3)/(4*s123^2*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(16*s12*s123*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s12*s123*s23*z12) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(16*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s124*s23*z12) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s124*s23*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(s123*s124*s23*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z3)/
    (s12*s123*s134*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z3)/(2*s12*s123*s134*z12) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(2*s123*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s12*s123*s234*z12) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s123*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (2*s123*s23*s234*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (2*s124*s23*s234*z12) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3)/(s123*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z3)/
    (2*s123*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z3)/(s123*s23*s234*z12) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(2*s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z3)/
    (s12*s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s14^2*z3)/(s12*s124*s23*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s12*s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s23*z12) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s124*s23*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (s123*s124*s23*z12) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s124*s14*s23*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*s24*z3)/(s12*s124*s23*s234*z12) + (7*CA*(CA - 2*CF)*s1234*z3)/
    (16*s123*s34*z12) - (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s124*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s124*s34*z12) - (5*CA*(CA - 2*CF)*s1234*z3)/(16*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s134*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(16*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s134*s34*z12) + 
   (7*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s123*s23*s34*z12) + 
   (7*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s123*s23*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s123*s23*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z3)/(16*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/(32*s12*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z3)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z3)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z3)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s234*s34*z12) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s234*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s234*s34*z12) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s23*s234*s34*z12) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s23*s234*s34*z12) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s23*s234*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s23*s234*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (8*s23*s234*s34*z12) - (3*CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s23*s234*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/
    (32*s12*s23*s234*s34*z12) - (CA*(CA - 2*CF)*s1234*s14^2*z3)/
    (16*s12*s23*s234*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s34*z12) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s134*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s134*s34*z12) + (5*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s124*s14*s34*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s134*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s14*s34*z12) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (2*s123*s23*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (8*s123*s23*s34*z12) + (5*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s23*s234*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s23*s234*s34*z12) - (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (16*s12*s23*s234*s34*z12) - (CA*(CA - 2*CF)*s1234*z3)/(8*s12*s123*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s124*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/
    (2*s123*s124*z14) - (CF*(-CA + 2*CF)*s1234*z3)/(s134^2*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*z3)/(4*s134^2*z14) + (CA*(CA - 2*CF)*s1234*z3)/
    (16*s12*s134*z14) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s134*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s134*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(2*s123*s134*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*z3)/
    (16*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s14*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s123*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z3)/(2*s123*s134*s14*z14) - (5*CA*(CA - 2*CF)*s1234*z3)/
    (16*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*z3)/(16*s123*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s124*s23*z14) + (CA*(CA - 2*CF)*s1234*s13*z3)/(16*s12*s123*s23*z14) + 
   (7*CA*(CA - 2*CF)*s1234*z3)/(16*s134*s23*z14) - 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s23*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(8*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s124*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3)/(16*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s134*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s124*s23*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s134*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(2*s134*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s134*s14*s234*z14) + (CA*(CA - 2*CF)*s1234*z3)/(4*s23*s234*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s23*s234*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s14*s23*s234*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s23*z14) + (5*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s124*s14*s23*z14) - (CF*(-CA + 2*CF)*s1234*s13*z3)/(s134^2*s34*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*z3)/(4*s134^2*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s34*z14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s124*s134*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(s124*s134*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s12*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s12*s134*s34*z14) + (CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s124*s14*s34*z14) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s124*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s134*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s124*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s124*s34*z14) - (CF*(-CA + 2*CF)*s1234*s14*z3)/(s134^2*s34*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s14*z3)/(4*s134^2*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s134*s34*z14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s124*s134*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(s124*s134*s34*z14) + (5*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s23*s34*z14) - (3*CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s134*s23*s34*z14) + (7*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s23*s34*z14) - (3*CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s134*s23*s34*z14) + (3*CA*(CA - 2*CF)*s12*s1234*s13*z3)/
    (16*s134*s14*s23*s34*z14) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/
    (32*s134*s14*s23*s34*z14) + (7*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s134*s23*s34*z14) - (3*CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s134*s23*s34*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s124*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (2*s124*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s134*s234*s34*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s134*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z3)/(2*s134*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12^2*s1234*z3)/
    (s124*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z3)/(s134*s14*s234*s34*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s124*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(2*s124*s234*s34*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s134*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(2*s134*s234*s34*z14) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (8*s23*s234*s34*z14) - (3*CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s12^2*s1234*z3)/
    (16*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/
    (32*s14*s23*s234*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s34*z14) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s124*s134*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (s124*s134*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s124*s14*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (2*s134*s23*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (8*s134*s23*s34*z14) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s124*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s124*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3)/(s124*s14*s234*s34*z14) + (5*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (16*s14*s23*s234*s34*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z3)/(s123*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z3)/
    (2*s123*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*s34*z3)/
    (16*s12*s123*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s34*z3)/
    (16*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z3)/
    (16*s123*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s123*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s134*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s23*z12*z14) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s123*s14*s23*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s134*s34*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*z3)/
    (16*s12*s123*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s123*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s12*s124*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s124*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s124*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(2*s123*s124*z23) + 
   (CF*(-CA + 2*CF)*s1234*s13*z3)/(2*s12*s123^2*z23) + 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s123*s14*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s123*s14*z23) + (5*CA*(CA - 2*CF)*s1234*z3)/(16*s124*s14*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(4*s12*s123*s14*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*z3)/(16*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s124*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s123*s124*s23*z23) + (CF*(-CA + 2*CF)*s1234*s13*z3)/
    (2*s123^2*s23*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s12*s123*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s12*s123*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s12*s124*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s12*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*z3)/(s123*s124*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z3)/(2*s123*s124*s23*z23) + (CF*(-CA + 2*CF)*s1234*s13^2*z3)/
    (2*s12*s123^2*s23*z23) - (3*CA*(CA - 2*CF)*s1234*z3)/(8*s134*s23*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s23*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(4*s124*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s124*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(4*s124*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z3)/(4*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(32*s134*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(8*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s134*s14*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*z3)/(s12*s123*s124*s23*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s124*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/
    (2*s124*s234*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z3)/(s12*s123*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s12*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*z3)/
    (8*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s13*z3)/(4*s12*s23*s234*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s14*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s14*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s23*s234*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s134*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (2*s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s23*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s124*s14*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s124*s23*s234*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s12*s123*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z3)/
    (s12*s124*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*z3)/(16*s123*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(4*s12*s123*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s134*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s34*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s123*s134*s34*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s134*s14*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s134*s14*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s123*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s123*s134*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (2*s123*s134*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s123*s23*s34*z23) - (5*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s123*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z3)/
    (4*s12*s123*s23*s34*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (16*s134*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s134*s23*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z3)/(s123*s134*s23*s34*z23) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z3)/
    (s123*s134*s23*s34*z23) - (CA*(CA - 2*CF)*s12^2*s1234*z3)/
    (16*s134*s14*s23*s34*z23) - (5*CA*(CA - 2*CF)*s12*s1234*s13*z3)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z3)/
    (4*s134*s14*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s123*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s14*z3)/
    (16*s12*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/
    (32*s12*s123*s23*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s14*z3)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s14*z3)/
    (2*s123*s134*s23*s34*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z3)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z3)/
    (2*s123*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*z3)/(8*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(4*s12*s234*s34*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s134*s234*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s234*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s234*s34*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s134*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (2*s134*s234*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s134*s23*s34*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s23*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (8*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/
    (32*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (2*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s12*s23*s234*s34*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s134*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3)/(16*s14*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/(32*s14*s23*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s14*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(16*s14*s23*s234*s34*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z3)/(16*s12*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/(32*s12*s23*s234*s34*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z3)/
    (s134*s23*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s24*z3)/(2*s134*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3)/(16*s12*s124*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3)/(8*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z3)/(16*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z3)/(8*s12*s123*s14*s23*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z3)/
    (s124*s23*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z3)/(2*s124*s23*s234*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z3)/
    (s12*s123*s23*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s34*z3)/(s12*s124*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (2*s12*s123*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s12*s123*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (4*s12*s124*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s12*s124*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s14*z14*z23) - (5*CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s14*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s134*s14*z14*z23) - (5*CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s23*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s123*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s124*s23*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s134*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s14*s234*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s14*s234*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (2*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (8*s12*s124*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (4*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s134*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s14*s23*s234*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (4*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (2*s134*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s134*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s134*s14*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12^2*s1234*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (4*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s14*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (2*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (8*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/
    (4*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (4*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (4*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/
    (4*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z3)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34^2*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s12*s123*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s123*s23*z12*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (16*s12*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (16*s12*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s12*s123*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s12*s123*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s12*s124*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s12*s124*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s123*s23*z14*z23) + (9*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (4*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s12*s123*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s134*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s134*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s123*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (4*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (16*s134*s23*s34*z14*z23) - (5*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (8*s134*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*s13*z2*z3)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z3)/
    (32*s134*s14*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (2*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (16*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12^2*s1234*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z3)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (4*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (16*s134*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s12*s123*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (4*s12*s123*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (8*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (8*s12*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (4*s123*s23*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z2*z3)/
    (8*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (4*s12*s123*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (8*s12*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2*z3)/
    (8*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2*z3)/
    (8*s124*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (4*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/
    (8*s124*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z3)/
    (8*s12*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/
    (4*s12*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (8*s12*s123*s14*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (8*s12*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (8*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/
    (4*s124*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/
    (8*s12*s123*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/(8*s12*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z3)/(8*s12*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(8*s12*s123*s14*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(8*s12*s124*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(8*s123*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(8*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2*z3)/(8*s12*s123*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2*z3)/(8*s12*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s12*s123*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s134*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(32*s134*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(32*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(32*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(8*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(32*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s134*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(16*s134*s34*z14*z23) + 
   (7*CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s134*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(32*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/(32*s134*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12^2*s1234*z3^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z3^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(4*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(16*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3^2)/(8*s23*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z3^2)/(32*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(8*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/(32*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12^2*s1234*z3^2)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3^2)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(32*s134*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(32*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3^2)/(32*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z3^2)/(16*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3^2)/(16*s123*s14*s23*z14*z23) - 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s123*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s12*s123*z34) + 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s124*z34) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s12*s124*z34) - (CF*(-CA + 2*CF)*s1234*z1)/(s134^2*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*z1)/(4*s134^2*z34) + (7*CA*(CA - 2*CF)*s1234*z1)/
    (16*s12*s134*z34) - (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s134*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s134*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(2*s123*s134*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s124*s134*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(2*s124*s134*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s12*s124*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s124*s14*z34) - 
   (CF*(-CA + 2*CF)*s1234*s13*z1)/(s134^2*s14*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*z1)/(4*s134^2*s14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1)/(16*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s14*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s134*s14*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s134*s14*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s124*s134*s14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(2*s124*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*z1)/
    (8*s123*s23*z34) + (CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s23*z34) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s134*s23*z34) + (CA*(CA - 2*CF)*s1234*s13*z1)/(16*s134*s14*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s134*s14*s23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(16*s12*s123*s23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(8*s12*s124*s14*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s124*s14*z34) + 
   (5*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s134*s14*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s134*s14*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s124*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(16*s12*s234*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z1)/
    (2*s123*s234*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1)/(s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (2*s124*s14*s234*z34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1)/(s134*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (s134*s14*s234*z34) + (5*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (2*s12*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (8*s12*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s23*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s124*s14*s234*z34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s134*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (s134*s14*s234*z34) + (5*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s23*s234*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (16*s12*s123*s34*z34) - (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s134*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(2*s123*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s134*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z1)/
    (16*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1)/
    (16*s12*s123*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z1)/(s123*s134*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z1)/
    (2*s123*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s23*z1)/
    (8*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s12*s134*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1)/(s124*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/
    (32*s12*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s23*z1)/
    (16*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1)/
    (32*s12*s134*s14*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z1)/(s124*s134*s14*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s23^2*z1)/(16*s12*s124*s14*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1)/(16*s12*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(32*s12*s234*s34*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s123*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(2*s123*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (32*s14*s234*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s23^2*z1)/(s124*s14*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s34*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1)/
    (16*s12*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s123*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s123*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s234*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*s24*z1)/(s124*s14*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s124*s14*z34) - (CF*(-CA + 2*CF)*s1234*s34*z1)/(s134^2*s14*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*s34*z1)/(4*s134^2*s14*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s34*z1)/(16*s12*s134*s14*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s12*s134*s14*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s124*s134*s14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s124*s134*s14*z34) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s123*s23*z34) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s134*s14*s23*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s124*s14*s234*z34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s134*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (s134*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s12*s123*z12*z34) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s12*s124*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (32*s12*s124*z12*z34) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s12*s134*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (32*s12*s134*z12*z34) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (4*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (16*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (32*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (16*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (32*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1^2)/
    (16*s12*s123*s23*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (8*s12*s124*s14*z12*z34) - (3*CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (32*s12*s124*s14*z12*z34) + (7*CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s134*s14*z12*z34) - (3*CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (32*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1^2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (32*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s23*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23^2*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23^2*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23^2*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23^2*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z2)/
    (4*s12*s134*z34) + (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s134*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s124*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s134*s14*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s124*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*z2)/(4*s123*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s123*s23*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s23*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s23*z34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s134*s23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s134*s23*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s14*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s124*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*z2)/
    (4*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*z2)/(16*s23*s234*z34) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s23*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s23*s234*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (4*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (16*s12*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s124*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s134*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s124*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/
    (16*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/
    (32*s12*s134*s14*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z2)/(s124*s134*s14*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s12*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(16*s12*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s134*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s134*s23*s34*z34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z2)/
    (s123*s134*s23*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2*z2)/(2*s123*s134*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2)/(16*s134*s14*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2)/(32*s134*s14*s23*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z2)/(16*s12*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/(16*s12*s123*s23*s34*z34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2)/
    (s123*s134*s23*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s14*z2)/(2*s123*s134*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2)/(16*s12*s124*s14*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s14*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*z2)/(s124*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (16*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/
    (32*s12*s123*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z2)/(s124*s14*s234*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s12*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(32*s12*s23*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z2)/
    (s123*s23*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z2)/(2*s123*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(16*s14*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(32*s14*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s12*s123*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(32*s12*s123*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(16*s12*s124*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(4*s12*s134*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(16*s12*s134*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s124*s14*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(16*s12*s124*s14*z12*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(8*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(4*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(16*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(4*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s12*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/(32*s12*s123*s23*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/(16*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(4*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/(16*s12*s134*s14*z12*z34) + 
   (9*CA*(CA - 2*CF)*s1234*z1*z2)/(16*s12*s234*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*z1*z2)/(32*s12*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(16*s23*s234*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s12*s23*s234*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/(16*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/(32*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(4*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(16*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s12*s123*s23*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s12*s124*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/(32*s12*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z2)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1*z2)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(8*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/(32*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z2)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z2)/(32*s12*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z1*z2)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z2)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z1*z2)/(16*s12*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s12*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/(32*s12*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/(32*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/(32*s12*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z2)/(16*s12*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(2*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(8*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(4*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(4*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(16*s12*s123*s23*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(16*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2^2)/(8*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/(32*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/(8*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2^2)/(32*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2^2)/(16*s12*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(32*s12*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2^2)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2^2)/(32*s12*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2^2)/(32*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/(8*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/(32*s12*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2^2)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2^2)/(32*s12*s23*s234*s34*z12*z34) + 
   (5*CA*(CA - 2*CF)*s1234*z3)/(16*s12*s124*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s124*z34) + 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s12*s134*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s12*s134*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*z3)/
    (s124*s134*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z3)/
    (2*s124*s134*z34) + (3*CA*(CA - 2*CF)*s1234*z3)/(16*s124*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s14*z34) + 
   (CF*(-CA + 2*CF)*s1234*s13*z3)/(2*s134^2*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*
     z3)/(s124*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s12*s134*s14*z34) - (3*CA*(CA - 2*CF)*s1234*z3)/(16*s123*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(4*s12*s123*s23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s134*s23*z34) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s134*s23*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s123*s134*s23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (2*s123*s134*s23*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3)/(s123*s134*s23*z34) - (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s134*s14*s23*z34) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s134*s14*s23*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s123*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     z3)/(s124*s234*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*z3)/(2*s124*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*z3)/(s124*s14*s234*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s134*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*z3)/(8*s23*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s23*s234*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s123*s23*s234*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s123*s23*s234*z34) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s23*s234*z34) - (3*CA*(CA - 2*CF)*s1234*z3)/(8*s123*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(8*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(4*s12*s124*s34*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s12*s124*s34*z34) + 
   (CF*(-CA + 2*CF)*s1234*s13*z3)/(2*s134^2*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s134*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*
     z3)/(s124*s134*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s12*s134*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*z3)/(s124*s134*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z3)/(2*s124*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s124*s14*s34*z34) + (CF*(-CA + 2*CF)*s1234*s13^2*z3)/
    (2*s134^2*s14*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s134*s14*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z3)/(s124*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z3)/
    (4*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s123*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z3)/
    (4*s12*s124*s34*z34) - (3*CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s124*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s134*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*z3)/(s124*s134*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s14*z3)/(2*s124*s134*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z3)/
    (4*s12*s123*s23*s34*z34) - (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s134*s23*s34*z34) - (5*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s134*s23*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z3)/(s123*s134*s23*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z3)/
    (2*s123*s134*s23*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z3)/(s123*s134*s23*s34*z34) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z3)/(16*s134*s14*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3)/(32*s134*s14*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z3)/(4*s134*s14*s23*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(16*s123*s23*s34*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s14*z3)/(16*s12*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s134*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s134*s23*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z3)/
    (s123*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s14*z3)/(2*s123*s134*s23*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z3)/
    (s123*s134*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s14^2*z3)/
    (16*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s23*z3)/
    (16*s12*s124*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z3)/
    (8*s12*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z3)/
    (16*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z3)/
    (8*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*z3)/(8*s234*s34*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(2*s123*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s12*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s12*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3)/(s123*s234*s34*z34) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (32*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s14*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z3)/(s124*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z3)/
    (2*s124*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s23*z3)/(s124*s14*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z3)/
    (s134*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s12*s134*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s123*s23*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (2*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (8*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/
    (32*s12*s123*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s124*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s124*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3)/(s124*s14*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s134*s14*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s24*z3)/(s123*s23*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z3)/
    (2*s123*s23*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s12*s23*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s123*s23*s234*s34*z34) + 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z3)/(16*s14*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/(32*s14*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(4*s14*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3)/(16*s12*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/(32*s12*s23*s234*s34*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z1*z3)/(16*s12*s123*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1*z3)/(32*s12*s123*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s12*s134*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(4*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(16*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(2*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(16*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(2*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(16*s123*s23*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s12*s123*s23*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z1*z3)/(16*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/(32*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(16*s12*s134*s14*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z3)/(8*s12*s234*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1*z3)/(32*s12*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(4*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z3)/(16*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(8*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3)/(8*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/(32*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(2*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(8*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s12*s134*s14*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s12*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s123*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z3)/(8*s124*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1*z3)/(32*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s12*s124*s34*z12*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z1*z3)/(16*s134*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1*z3)/(32*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1*z3)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14^2*z1*z3)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(32*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z3)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(32*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z3)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z1*z3)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s12*s123*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s124*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(4*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/(16*s12*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/(4*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z3)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/(16*s12*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(32*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(2*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/(8*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(4*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/(4*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z3)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(4*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(4*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s12*s124*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(4*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(16*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(16*s12*s123*s23*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z2*z3)/(8*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(16*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(4*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(16*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(32*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(16*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(32*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(32*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/(32*s12*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(32*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14^2*z2*z3)/(32*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2*z3)/(16*s12*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z2*z3)/(16*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2*z3)/(32*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(32*s12*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(32*s12*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z3)/(32*s12*s23*s234*s34*z12*z34) + 
   (9*CA*(CA - 2*CF)*s1234*s14*z2*z3)/(16*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/(32*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/(16*s12*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14^2*z2*z3)/(32*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/(32*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z2*z3)/(32*s12*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/(32*s12*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z2*z3)/(32*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s12*s123*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s134*s14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s123*s23*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s12*s123*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s134*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s134*s14*s23*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s12*s23*s234*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s14*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z3)/(16*s134*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3)/(16*s134*s14*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(16*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(16*s12*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3)/(16*s14*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s12*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s12*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(8*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/(8*s134*s14*s23*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s12*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3)/(16*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(8*s12*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/(8*s14*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3)/(16*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3)/(16*s12*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3)/(16*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s134*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(8*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(8*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s14*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(16*s12*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(8*s134*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z2*z3)/(8*s134*s14*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3)/(16*s134*s14*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3)/(8*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3)/(8*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s12*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3)/(8*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3)/(16*s14*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3)/(8*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(16*s12*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z2*z3)/(8*s14*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/(16*s14*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z3)/(4*s12*s123*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z3)/(4*s123*s23*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/(4*s12*s123*s23*z12*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z2*z3)/(8*s12*s234*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/(8*s12*s23*s234*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/(8*s12*s23*s234*z12*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/(8*s12*s23*s234*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z3)/(8*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/(4*s12*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/(8*s12*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/(8*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z3)/(8*s12*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/(8*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1*z2*z3)/(8*s12*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z3)/(8*s12*s123*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z3)/(8*s12*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z3)/(8*s12*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z3)/(8*s12*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/(8*s12*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/(8*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/(8*s12*s123*s23*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z3)/(4*s12*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z3)/(8*s12*s23*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z2*z3)/(8*s12*s23*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z3)/(8*s12*s23*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z3)/(4*s12*s23*s234*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(16*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(4*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(16*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(32*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3^2)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/(32*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/(32*s123*s23*s34*z12*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s14*z3^2)/(16*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s14*z3^2)/(32*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z3^2)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3^2)/(32*s12*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14^2*z3^2)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14^2*z3^2)/(32*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3^2)/(16*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3^2)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3^2)/(32*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(8*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/(32*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(8*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/(32*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3^2)/(8*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s14*z3^2)/(32*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z3^2)/(8*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3^2)/(32*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14^2*z3^2)/(8*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14^2*z3^2)/(32*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(16*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(32*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/(16*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3^2)/(32*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/(32*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/(8*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3^2)/(32*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s134*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(16*s12*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3^2)/(16*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(16*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s134*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3^2)/(16*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3^2)/(16*s134*s14*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(16*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z3^2)/(16*s12*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(16*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3^2)/(8*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3^2)/(16*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3^2)/(16*s12*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3^2)/(8*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/(16*s14*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/(16*s12*s23*s234*s34*z23*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s12*s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*z4)/
    (4*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/(16*s124*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s134*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s134*s14*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s123*s134*s14*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s124*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s124*s134*s14*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z4)/(s12*s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z4)/
    (2*s12*s123*s134*s14*z12) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s124*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s123*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s124*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s124*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s123*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s123*s14*s23*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z4)/(s12*s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z4)/
    (2*s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s12*s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13^2*z4)/
    (s12*s123*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z4)/(s12*s124*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z4)/
    (s12*s124*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z4)/(2*s12*s124*s134*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s12*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(32*s12*s124*s14*s23*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z4)/
    (s12*s124*s23*s234*z12) - (CA*(CA - 2*CF)*s1234*z4)/(4*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s134*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s124*s14*s34*z12) + 
   (7*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s134*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/(16*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(32*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(4*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(16*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z4)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(32*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z4)/(16*s12*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(32*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(32*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s123*s14*z14) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s123*s14*z14) - (CA*(CA - 2*CF)*s1234*z4)/(4*s124*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s124*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s123*s14*z14) + 
   (CF*(-CA + 2*CF)*s1234*s13*z4)/(s134^2*s14*z14) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z4)/(4*s134^2*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s134*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s134*s14*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s124*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(16*s12*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(4*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(16*s134*s14*s23*z14) - 
   (7*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s134*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s134*s14*s23*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s134*s14*s234*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s134*s14*s234*z14) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (4*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s23*s234*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s123*s14*s23*z14) - (5*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s124*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s124*s34*z14) + (CF*(-CA + 2*CF)*s1234*s13*z4)/(s134^2*s34*z14) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z4)/(4*s134^2*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s134*s34*z14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s124*s134*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(s124*s134*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s124*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s124*s14*s34*z14) + (CF*(-CA + 2*CF)*s1234*s13^2*z4)/
    (s134^2*s14*s34*z14) - (CF*(-CA + 2*CF)*D*s1234*s13^2*z4)/
    (4*s134^2*s14*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s134*s14*s34*z14) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z4)/(s124*s134*s14*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z4)/
    (s124*s134*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s134*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s134*s14*s34*z14) - (7*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s23*s34*z14) + (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s23*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (4*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/
    (16*s134*s14*s23*s34*z14) - (7*CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s134*s14*s23*s34*z14) + (3*CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s134*s14*s23*s34*z14) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s124*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s124*s234*s34*z14) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s134*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s134*s234*s34*z14) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z4)/(s124*s14*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z4)/
    (2*s124*s14*s234*s34*z14) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z4)/(s134*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z4)/
    (2*s134*s14*s234*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s23*s234*s34*z14) - (5*CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (16*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/
    (16*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (4*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s124*s14*s34*z14) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s124*s134*s14*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (s124*s134*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (2*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (8*s134*s14*s23*s34*z14) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s124*s14*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (2*s124*s14*s234*s34*z14) - (5*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s34*z4)/
    (4*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z4)/
    (16*s124*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*s34*z4)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s12*s124*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s12*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s12*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s34*z1*z4)/
    (8*s12*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z4)/
    (8*s12*s124*s14*s23*z12*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*z4)/(4*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s123*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s124*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s14*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13^2*z4)/(s12*s123*s124*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s134*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s12*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s23*s234*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s134*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s134*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s14*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s12*s124*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s134*s34*z23) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s134*s34*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s123*s134*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s123*s134*s34*z23) + (7*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s34*z23) - (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s123*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s123*s23*s34*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13*z4)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z4)/
    (2*s123*s134*s23*s34*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z4)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z4)/
    (2*s123*s134*s23*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/
    (16*s134*s14*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*z4)/(4*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s234*s34*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s134*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s134*s234*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (4*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (16*s14*s234*s34*z23) + (5*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s23*s234*s34*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s134*s23*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (2*s134*s23*s234*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z4)/
    (16*s12*s124*s14*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z4)/(s12*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s12*s124*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s14*z14*z23) - (5*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (8*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s134*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s134*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (8*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (2*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (8*s12*s123*s14*z14*z23) + (9*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s14*s234*z14*z23) - (3*CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s14*s234*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s14*s23*s234*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s124*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s134*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s134*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (8*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (4*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s14*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (4*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s134*s14*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (4*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (16*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s34*z1*z4)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z4)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z4)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34^2*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s12*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s12*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s12*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s12*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (4*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (4*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z4)/
    (32*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s14*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/
    (4*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z4)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (4*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (4*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z2*z4)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (4*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z2*z4)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s12*s124*z14*z23) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (4*s124*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s134*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (32*s134*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (8*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (32*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (32*s23*s234*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (4*s134*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s134*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s134*s14*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (16*s134*s14*s34*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (8*s134*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/
    (32*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (32*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12^2*s1234*z3*z4)/
    (32*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/
    (32*s134*s14*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (4*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (16*s14*s234*s34*z14*z23) + (9*CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (16*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/
    (32*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (32*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12^2*s1234*z3*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z3*z4)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/
    (32*s134*s14*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z3*z4)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z3*z4)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z3*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z3*z4)/
    (16*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s124*s14*z34) + (CF*(-CA + 2*CF)*s1234*s13*z4)/(s134^2*s14*z34) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z4)/(4*s134^2*s14*z34) - 
   (7*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s134*s14*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s134*s14*z34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s124*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s124*s134*s14*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s123*s23*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s23*z34) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s124*s14*s234*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s124*s14*s234*z34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s134*s14*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (s134*s14*s234*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*z4)/(4*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s123*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s12*s124*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s34*z34) + 
   (CF*(-CA + 2*CF)*s1234*s13*z4)/(s134^2*s34*z34) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z4)/(4*s134^2*s34*z34) - 
   (7*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s134*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s134*s34*z34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s124*s134*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s124*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (4*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s124*s14*s34*z34) + (CF*(-CA + 2*CF)*s1234*s13^2*z4)/
    (s134^2*s14*s34*z34) - (CF*(-CA + 2*CF)*D*s1234*s13^2*z4)/
    (4*s134^2*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s134*s14*s34*z34) - (7*CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s134*s14*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s134*s14*s34*z34) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z4)/(s124*s134*s14*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z4)/
    (2*s124*s134*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s134*s14*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z4)/
    (16*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (4*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (16*s12*s134*s34*z34) - (5*CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (16*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (4*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/
    (16*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*z4)/(4*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s14*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s14*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z4)/(4*s12*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z4)/(16*s12*s234*s34*z34) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z4)/
    (s124*s14*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s23*z4)/(2*s124*s14*s234*s34*z34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z4)/
    (s134*s14*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s23*z4)/(s134*s14*s234*s34*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s12*s124*s14*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s12*s124*s14*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(2*s12*s134*s14*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(8*s12*s134*s14*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(8*s12*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(32*s12*s123*s23*s34*z34) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z4)/
    (s124*s14*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z4)/(2*s124*s14*s234*s34*z34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z4)/
    (s134*s14*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z4)/(s134*s14*s234*s34*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s12*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(32*s12*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s14*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(32*s14*s23*s234*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z4)/(16*s12*s124*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(32*s12*s124*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s12*s134*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(32*s12*s134*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z1*z4)/(8*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(16*s124*s14*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(4*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(16*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s12*s134*s14*z12*z34) + 
   (9*CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s124*s14*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(32*s12*s124*s14*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s12*s134*s14*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(32*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(16*s12*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z4)/(16*s12*s23*s234*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(4*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(32*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z1*z4)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z1*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(4*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z4)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(8*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z4)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(16*s12*s124*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(16*s12*s134*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(16*s124*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(16*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(16*s134*s23*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s134*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s124*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s14*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(16*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(16*s12*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(16*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/(16*s12*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(16*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(16*s14*s23*s234*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(16*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(16*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(4*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(32*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z4)/(32*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/(4*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z2*z4)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z2*z4)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(4*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(32*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/(4*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z4)/(32*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(4*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(32*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(4*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(32*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s14*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(16*s12*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(16*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s14*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(16*s12*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(16*s14*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s123*s34*z12*z34) + 
   (9*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s124*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s124*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s12*s123*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s124*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(4*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(2*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(8*s123*s23*s34*z12*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(8*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/(32*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(4*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(16*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z3*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3*z4)/(32*s12*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(32*s12*s134*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(32*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z3*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s12*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/(32*s12*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z3*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3*z4)/(32*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14^2*z3*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s12*s134*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(4*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(16*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(32*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(32*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s12*s134*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s14*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(16*s134*s14*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s134*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s14*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s23*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(16*s14*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(8*s12*s134*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(8*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s12*s134*s14*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z3*z4)/(8*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s12*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s12*s134*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(4*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z3*z4)/(8*s12*s134*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3*z4)/(8*s12*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3*z4)/(8*s12*s134*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(8*s12*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(8*s12*s134*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(8*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z3*z4)/(8*s12*s134*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(4*s12*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s12*s134*s34*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(8*s12*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(8*s12*s134*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3*z4)/(8*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3*z4)/(8*s12*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s12*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s134*s14*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z3*z4)/(8*s12*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s14*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3*z4)/(8*s12*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s134*s14*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(8*s134*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(8*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s134*s14*s23*z14*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z3*z4)/(8*s14*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(8*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s134*s14*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(4*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s134*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s134*s14*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(8*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z1*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(8*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(4*s14*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3*z4)/(8*s134*s14*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3*z4)/(8*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s134*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(4*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4^2)/(32*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(32*s134*s14*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(16*s14*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4^2)/(32*s14*s23*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(32*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(32*s134*s14*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(32*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z4^2)/(16*s12*s124*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s12*s134*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(16*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(4*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(32*s12*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4^2)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4^2)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z4^2)/(16*s12*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s134*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s134*s14*s23*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s12*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s134*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s134*s14*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s12*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s14*s23*s234*s34*z14*z34)) + 
 k1k2*((7*CA*(CA - 2*CF)*s1234)/(4*s12*s123) - (5*CA*(CA - 2*CF)*D*s1234)/
    (8*s12*s123) + (CA*(CA - 2*CF)*D^2*s1234)/(16*s12*s123) + 
   (7*CA*(CA - 2*CF)*s1234)/(4*s12*s124) - (5*CA*(CA - 2*CF)*D*s1234)/
    (8*s12*s124) + (CA*(CA - 2*CF)*D^2*s1234)/(16*s12*s124) + 
   (CF*(-CA + 2*CF)*s1234)/s134^2 - (3*CF*(-CA + 2*CF)*D*s1234)/(4*s134^2) + 
   (CF*(-CA + 2*CF)*D^2*s1234)/(8*s134^2) + (5*CA*(CA - 2*CF)*s1234)/
    (4*s12*s134) - (7*CA*(CA - 2*CF)*D*s1234)/(16*s12*s134) + 
   (CA*(CA - 2*CF)*D^2*s1234)/(32*s12*s134) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234)/(s123*s134) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234)/(s123*s134) + 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s12*s123*s134) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s12*s123*s134) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s12*s123*s134) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s12*s124*s134) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s12*s124*s134) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s12*s124*s134) - (CA*(CA - 2*CF)*s1234)/(2*s124*s14) + 
   (5*CA*(CA - 2*CF)*D*s1234)/(16*s124*s14) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s124*s14) - (2*CF*(-CA + 2*CF)*s1234*s13)/(s134^2*s14) + 
   (5*CF*(-CA + 2*CF)*D*s1234*s13)/(4*s134^2*s14) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s13)/(8*s134^2*s14) - 
   (3*CA*(CA - 2*CF)*s1234)/(4*s134*s14) + (3*CA*(CA - 2*CF)*D*s1234)/
    (8*s134*s14) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s134*s14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s124*s134*s14) - 
   (5*CA*(CA - 2*CF)*s1234*s13)/(8*s12*s134*s14) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s134*s14) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s124*s134*s14) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s124*s134*s14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s12*s123*s124) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D*s1234*s14)/(s12*s123*s124) - (CA*(CA - 2*CF)*s1234)/(2*s123*s23) + 
   (5*CA*(CA - 2*CF)*D*s1234)/(16*s123*s23) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s123*s23) - (CA*(CA - 2*CF)*s1234*s13)/(4*s12*s123*s23) + 
   (CA*(CA - 2*CF)*s1234*s13)/(2*s12*s124*s23) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (4*s12*s124*s23) + (CA*(CA - 2*CF)*D^2*s1234*s13)/(32*s12*s124*s23) - 
   (CA*(CA - 2*CF)*s1234)/(4*s134*s23) + (3*CA*(CA - 2*CF)*D*s1234)/
    (16*s134*s23) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s134*s23) - 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s123*s134*s23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/(s123*s134*s23) - 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s134*s23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/(s123*s134*s23) - 
   (CA*(CA - 2*CF)*s12*s1234)/(4*s134*s14*s23) - (5*CA*(CA - 2*CF)*s1234*s13)/
    (8*s134*s14*s23) + (CA*(CA - 2*CF)*D*s1234*s13)/(16*s134*s14*s23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s12*s123*s124) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23)/(s12*s123*s124) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s12*s123*s134) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s12*s123*s134) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(2*s12*s123*s134) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23)/(s12*s124*s134) + (CA*(CA - 2*CF)*s1234*s23)/
    (4*s12*s134*s14) - (CA*(CA - 2*CF)*D*s1234*s23)/(16*s12*s134*s14) + 
   (CF*(-CA + 2*CF)*s1234)/s234^2 - (3*CF*(-CA + 2*CF)*D*s1234)/(4*s234^2) + 
   (CF*(-CA + 2*CF)*D^2*s1234)/(8*s234^2) + (5*CA*(CA - 2*CF)*s1234)/
    (4*s12*s234) - (7*CA*(CA - 2*CF)*D*s1234)/(16*s12*s234) + 
   (CA*(CA - 2*CF)*D^2*s1234)/(32*s12*s234) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234)/(s124*s234) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234)/(s124*s234) + 
   (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/(s134*s234) - 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/(s134*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234)/(s134*s234) - 
   (CA*(CA - 2*CF)*s1234)/(4*s14*s234) + (3*CA*(CA - 2*CF)*D*s1234)/
    (16*s14*s234) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s14*s234) - 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s124*s14*s234) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/(s124*s14*s234) - 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s124*s14*s234) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s124*s14*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s124*s14*s234) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234)/(s134*s14*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s12*s1234)/(s134*s14*s234) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s134*s14*s234) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s134*s14*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s134*s14*s234) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s12*s123*s234) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s12*s124*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s12*s124*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s12*s124*s234) - (3*CA*(CA - 2*CF)*s1234)/(4*s23*s234) + 
   (3*CA*(CA - 2*CF)*D*s1234)/(8*s23*s234) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s23*s234) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s123*s23*s234) - (CA*(CA - 2*CF)*s1234*s13)/(2*s12*s23*s234) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(4*s12*s23*s234) - 
   (CA*(CA - 2*CF)*D^2*s1234*s13)/(32*s12*s23*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s23*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/(s123*s23*s234) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s134*s23*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/(s134*s23*s234) - 
   (CA*(CA - 2*CF)*s12*s1234)/(4*s14*s23*s234) - (CA*(CA - 2*CF)*s1234*s13)/
    (4*s14*s23*s234) + (CA*(CA - 2*CF)*D*s1234*s13)/(16*s14*s23*s234) + 
   (CA*(CA - 2*CF)*s1234*s14)/(4*s12*s23*s234) - (CA*(CA - 2*CF)*D*s1234*s14)/
    (16*s12*s23*s234) + (CA*(CA - 2*CF)*s1234*s24)/(2*s12*s123*s14) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(4*s12*s123*s14) + 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(32*s12*s123*s14) - 
   (CA*(CA - 2*CF)*s1234*s24)/(4*s12*s124*s14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s123*s124*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s123*s124*s14) - (CA*(CA - 2*CF)*s1234*s24)/
    (2*s12*s134*s14) + (CA*(CA - 2*CF)*D*s1234*s24)/(4*s12*s134*s14) - 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(32*s12*s134*s14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s124*s134*s14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/(s124*s134*s14) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s123*s134*s14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s123*s134*s14) + 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s124*s134*s14) - (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24)/(s12*s124*s134*s14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24)/
    (2*s12*s124*s134*s14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s124*s23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s124*s23) - (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24)/(s123*s134*s23) + (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24)/(s123*s134*s23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s24)/(2*s123*s134*s23) + (7*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s123*s14*s23) - (5*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s12*s123*s14*s23) + (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s12*s123*s14*s23) + (7*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s124*s14*s23) - (5*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s12*s124*s14*s23) + (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s12*s124*s14*s23) - (CA*(CA - 2*CF)*s1234*s24)/(4*s134*s14*s23) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s134*s14*s23) - 
   (2*CF*(-CA + 2*CF)*s1234*s24)/(s23*s234^2) + 
   (5*CF*(-CA + 2*CF)*D*s1234*s24)/(4*s23*s234^2) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s24)/(8*s23*s234^2) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s12*s123*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s12*s123*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s12*s123*s234) + (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s12*s124*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s12*s124*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s12*s124*s234) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s124*s14*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24)/(s124*s14*s234) - (5*CA*(CA - 2*CF)*s1234*s24)/
    (8*s12*s23*s234) + (CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s23*s234) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s23*s234) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s123*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s123*s23*s234) + (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s23*s234) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s24)/(2*s12*s123*s23*s234) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s124*s23*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s124*s23*s234) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s134*s23*s234) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s134*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s134*s23*s234) - (5*CA*(CA - 2*CF)*s1234*s24)/(8*s14*s23*s234) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s14*s23*s234) + 
   (CA*(CA - 2*CF)*s1234*s13)/(4*s12*s124*s34) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (16*s12*s124*s34) - (CF*(-CA + 2*CF)*s1234*s13)/(s134^2*s34) + 
   (CF*(-CA + 2*CF)*D*s1234*s13)/(2*s134^2*s34) + 
   (CA*(CA - 2*CF)*D*s1234)/(16*s134*s34) + (3*CA*(CA - 2*CF)*s1234*s13)/
    (8*s12*s134*s34) - (3*CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s134*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s124*s134*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/(s124*s134*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s14)/(16*s12*s123*s34) - 
   (CA*(CA - 2*CF)*s1234*s13)/(8*s134*s23*s34) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (16*s134*s23*s34) - (CA*(CA - 2*CF)*s1234*s13*s14)/(8*s12*s123*s23*s34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14)/
    (s123*s134*s23*s34) - (CA*(CA - 2*CF)*D*s1234*s23)/(16*s12*s124*s34) + 
   (3*CA*(CA - 2*CF)*s1234*s23)/(4*s12*s134*s34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23)/(8*s12*s134*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s23)/(32*s12*s134*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s124*s134*s34) + 
   (CA*(CA - 2*CF)*D*s1234)/(16*s234*s34) + (3*CA*(CA - 2*CF)*s1234*s14)/
    (4*s12*s234*s34) - (3*CA*(CA - 2*CF)*D*s1234*s14)/(8*s12*s234*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s14)/(32*s12*s234*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s234*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s134*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14)/(s134*s234*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s134*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23)/(s134*s234*s34) + 
   (CA*(CA - 2*CF)*s1234*s24)/(4*s12*s123*s34) - (CA*(CA - 2*CF)*D*s1234*s24)/
    (16*s12*s123*s34) + (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s124*s14*s34) - (CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s12*s124*s14*s34) - (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s134*s14*s34) + (3*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s12*s134*s14*s34) - (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s12*s134*s14*s34) + (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s123*s23*s34) - (CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s12*s123*s23*s34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s123*s134*s23*s34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s123*s134*s23*s34) + (CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s134*s14*s23*s34) - (CA*(CA - 2*CF)*s1234*s23*s24)/
    (8*s12*s124*s14*s34) - (CF*(-CA + 2*CF)*s1234*s24)/(s234^2*s34) + 
   (CF*(-CA + 2*CF)*D*s1234*s24)/(2*s234^2*s34) + 
   (3*CA*(CA - 2*CF)*s1234*s24)/(8*s12*s234*s34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s234*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/(s123*s234*s34) - 
   (CA*(CA - 2*CF)*s1234*s24)/(8*s14*s234*s34) - (CA*(CA - 2*CF)*D*s1234*s24)/
    (16*s14*s234*s34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s124*s14*s234*s34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s124*s14*s234*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s134*s14*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s134*s14*s234*s34) - (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s23*s234*s34) + (3*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s12*s23*s234*s34) - (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s12*s23*s234*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s134*s23*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s134*s23*s234*s34) + (CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s14*s23*s234*s34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*s24)/(s124*s14*s234*s34) + 
   (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s12*s123*s124) - 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s12*s123*s124) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(s12*s123*s124) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34)/(s12*s123*s134) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s12*s123*s134) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s12*s123*s134) + (CA*(CA - 2*CF)*s1234*s34)/(4*s12*s123*s14) - 
   (CA*(CA - 2*CF)*D*s1234*s34)/(16*s12*s123*s14) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s124*s14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s123*s124*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s123*s124*s14) - (CF*(-CA + 2*CF)*s1234*s34)/(s134^2*s14) + 
   (3*CF*(-CA + 2*CF)*D*s1234*s34)/(4*s134^2*s14) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s34)/(8*s134^2*s14) - 
   (16*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s134*s14) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s123*s134*s14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s123*s134*s14) - (26*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34)/(s124*s134*s14) + 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(s124*s134*s14) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34)/(s12*s123*s134*s14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34)/
    (s12*s123*s134*s14) + (CA*(CA - 2*CF)*s1234*s34)/(4*s12*s124*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s34)/(16*s12*s124*s23) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s124*s23) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s123*s124*s23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s123*s124*s23) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34)/(s12*s123*s124*s23) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34)/
    (s12*s123*s124*s23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s34)/(2*s12*s123*s124*s23) - 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s134*s23) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s123*s134*s23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s123*s134*s23) - (3*CA*(CA - 2*CF)*s1234*s34)/(2*s123*s14*s23) + 
   (7*CA*(CA - 2*CF)*D*s1234*s34)/(16*s123*s14*s23) - 
   (CA*(CA - 2*CF)*D^2*s1234*s34)/(32*s123*s14*s23) - 
   (3*CA*(CA - 2*CF)*s1234*s34)/(2*s124*s14*s23) + 
   (7*CA*(CA - 2*CF)*D*s1234*s34)/(16*s124*s14*s23) - 
   (CA*(CA - 2*CF)*D^2*s1234*s34)/(32*s124*s14*s23) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s34)/(8*s12*s123*s14*s23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34)/(8*s12*s123*s14*s23) - 
   (CA*(CA - 2*CF)*s1234*s34)/(s134*s14*s23) + (CA*(CA - 2*CF)*D*s1234*s34)/
    (4*s134*s14*s23) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*
     s34)/(s12*s123*s134*s14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s34)/(s12*s123*s134*s14) - (CF*(-CA + 2*CF)*s1234*s34)/
    (s23*s234^2) + (3*CF*(-CA + 2*CF)*D*s1234*s34)/(4*s23*s234^2) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s34)/(8*s23*s234^2) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s12*s124*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s12*s124*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s12*s124*s234) - (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34)/(s124*s14*s234) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s124*s14*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s124*s14*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34)/(s134*s14*s234) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s134*s14*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s134*s14*s234) - (26*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34)/(s123*s23*s234) + 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s123*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(s123*s23*s234) - (16*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34)/(s124*s23*s234) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s124*s23*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s124*s23*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34)/(s12*s123*s23*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34)/
    (s12*s123*s23*s234) - (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s34)/(s12*s124*s23*s234) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34)/
    (s12*s124*s23*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s34)/(2*s12*s124*s23*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s134*s23*s234) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s134*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s134*s23*s234) - (CA*(CA - 2*CF)*s1234*s34)/(s14*s23*s234) + 
   (CA*(CA - 2*CF)*D*s1234*s34)/(4*s14*s23*s234) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s34)/
    (s12*s124*s23*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s34)/(s12*s124*s23*s234) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34)/
    (s12*s123*s124*s14) + (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24*s34)/(s12*s123*s124*s14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s24*s34)/
    (2*s12*s123*s124*s14) - (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34)/(s12*s123*s134*s14) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34)/
    (s12*s123*s134*s14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s24*s34)/(2*s12*s123*s134*s14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34)/
    (s12*s124*s134*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*s34)/(s12*s124*s134*s14) - (5*CA*(CA - 2*CF)*s1234*s24*s34)/
    (8*s12*s124*s14*s23) + (CA*(CA - 2*CF)*D*s1234*s24*s34)/
    (8*s12*s124*s14*s23) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*s34)/(s12*s124*s23*s234) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34)/
    (s12*s124*s23*s234) - (5*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s123*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s123*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s124*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s124*z12) - 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s134*z12) + (3*CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s12*s134*z12) + (CA*(CA - 2*CF)*s1234*z1)/(16*s124*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s124*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s14*z12) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s134*s14*z12) - (CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s134*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s134*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s123*s23*z12) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s123*s23*z12) + (3*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s123*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s12*s123*s23*z12) - (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s134*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (16*s12*s134*s14*z12) - (3*CA*(CA - 2*CF)*s1234*z1)/(8*s12*s234*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s234*z12) + 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s23*s234*z12) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s23*s234*z12) + (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s23*s234*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s23*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(16*s12*s23*s234*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s124*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s124*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s12*s134*s14*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s134*s14*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s23*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(8*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1)/(8*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(4*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(8*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(4*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1)/(16*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(4*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(4*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1)/(4*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(16*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s23*s234*s34*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s12*s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s12*s124*s134*z12) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s123*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s34*z1)/(2*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s124*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z1)/
    (s12*s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34*z1)/(2*s12*s123*s134*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(16*s12*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s12*s124*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(16*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(16*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1)/(16*s12*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/(32*s12*s123*s14*s23*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z1)/
    (s12*s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s34*z1)/(2*s12*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1)/
    (s12*s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24*s34*z1)/(2*s12*s124*s134*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1)/(16*s12*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/(32*s12*s124*s14*s23*z12) - 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s124*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s124*z14) - 
   (CF*(-CA + 2*CF)*s1234*z1)/(2*s134^2*z14) + (5*CA*(CA - 2*CF)*s1234*z1)/
    (16*s12*s134*z14) - (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s134*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s124*s134*z14) - 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s124*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s124*s14*z14) - 
   (CF*(-CA + 2*CF)*s1234*s13*z1)/(2*s134^2*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s134*s14*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z1)/(s124*s134*s14*z14) + (5*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s12*s134*s14*z14) + (5*CA*(CA - 2*CF)*s1234*z1)/(16*s134*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s23*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(4*s134*s14*s23*z14) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s14*s234*z14) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s14*s234*z14) + (3*CA*(CA - 2*CF)*s1234*z1)/(16*s23*s234*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s23*s234*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(16*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s14*s23*s234*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s14*s23*s234*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s124*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s124*s14*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s124*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s134*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s23*s234*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s14*s234*s34*z14) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s12*s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s34*z1)/(2*s12*s123*s124*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s12*s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s12*s123*s134*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s123*s124*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s123*s124*s14*z14) - (CF*(-CA + 2*CF)*s1234*s34*z1)/
    (2*s134^2*s14*z14) + (5*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s134*s14*z14) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z1)/(s12*s123*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z1)/
    (2*s12*s123*s134*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s123*s23*z14) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s124*s23*z14) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (4*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s123*s14*s23*z14) + (7*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s124*s14*s23*z14) - (3*CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s124*s14*s23*z14) + (5*CA*(CA - 2*CF)*s1234*s13*s34*z1)/
    (16*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/
    (16*s12*s123*s14*s23*z14) + (5*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s134*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s134*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s14*s23*s234*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s14*s23*s234*z14) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1)/(s12*s123*s124*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (2*s12*s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (4*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (32*s12*s123*s14*s23*z14) + (5*CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (16*s12*s124*s14*s23*z14) - (3*CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (32*s12*s124*s14*s23*z14) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34^2*z1)/(s12*s123*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34^2*z1)/
    (2*s12*s123*s134*s14*z14) + (5*CA*(CA - 2*CF)*s1234*s34^2*z1)/
    (16*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34^2*z1)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s12*s124*z12*z14) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s12*s134*z12*z14) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s124*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s12*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s34*z1^2)/
    (16*s12*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/
    (16*s12*s124*s14*s23*z12*z14) - (3*CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s123*z12) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s123*z12) - 
   (5*CA*(CA - 2*CF)*s1234*z2)/(16*s12*s124*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s124*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z2)/(8*s12*s134*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s134*z12) + 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s124*s14*z12) + (CA*(CA - 2*CF)*s1234*z2)/(16*s134*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s14*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s123*s23*z12) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s123*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(16*s12*s134*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s12*s234*z12) + (3*CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s12*s234*z12) - (CA*(CA - 2*CF)*s1234*z2)/(16*s23*s234*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s23*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s23*s234*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s23*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s23*s234*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s23*s234*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z2)/(16*s12*s124*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(32*s12*s124*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(8*s12*s134*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(32*s12*s134*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(16*s12*s23*s234*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s23*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(4*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2)/(4*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/(16*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(8*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(4*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(4*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(4*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z2)/(8*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(4*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s123*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s123*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s124*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s124*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(16*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(16*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2)/(16*s12*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/(32*s12*s123*s14*s23*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s12*s123*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s12*s123*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s123*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s12*s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34*z2)/(2*s12*s123*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z2)/
    (s12*s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s34*z2)/(2*s12*s124*s23*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z2)/(16*s12*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/(32*s12*s124*s14*s23*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z2)/
    (s12*s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24*s34*z2)/(2*s12*s124*s23*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s12*s124*z14) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s12*s124*z14) - (CA*(CA - 2*CF)*s1234*z2)/(16*s12*s134*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s134*z14) + 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s124*s14*z14) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s134*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s134*s23*z14) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s134*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s14*s23*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     z2)/(s124*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     z2)/(s134*s234*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*z2)/(s124*s14*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s134*s14*s234*z14) - (5*CA*(CA - 2*CF)*s1234*z2)/(16*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s23*s234*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z2)/(16*s14*s23*s234*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(16*s12*s124*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(32*s12*s124*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s24*z2)/
    (s124*s14*s234*z14) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s14*s23*s234*z14) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s134*s23*s34*z14) - (CA*(CA - 2*CF)*s1234*z2)/(8*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s12*s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s12*s123*s124*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s12*s123*s134*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s134*s14*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z2)/(s12*s123*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z2)/
    (2*s12*s123*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s123*s23*z14) - (7*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s124*s23*z14) + (3*CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s124*s23*z14) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s124*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/
    (16*s12*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s134*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s134*s14*s23*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z2)/(s134*s14*s234*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s14*s23*s234*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z2)/(s12*s123*s124*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z2)/
    (2*s12*s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z2)/
    (8*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/
    (32*s12*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s24*s34*z2)/
    (16*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/
    (32*s12*s124*s14*s23*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34^2*z2)/(s12*s123*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34^2*z2)/
    (2*s12*s123*s134*s14*z14) - (3*CA*(CA - 2*CF)*s1234*s34^2*z2)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34^2*z2)/
    (16*s12*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s124*z12*z14) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s134*z12*z14) + (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s14*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s134*s14*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s123*s14*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (16*s12*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (16*s12*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z1)/
    (16*s12*s123*z23) - (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s123*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s134*z23) - 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s134*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s123*s23*z23) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s123*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s23*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*z1)/
    (s123*s134*s23*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*z1)/(s123*s134*s23*z23) - (CA*(CA - 2*CF)*s12*s1234*z1)/
    (16*s134*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*z1)/(16*s12*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s134*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s14*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s14*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s123*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s134*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*z1)/(8*s134*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s14*s234*s34*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s12*s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s12*s123*s124*z23) - (7*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s123*s14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s123*s14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s124*s14*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s123*s124*s23*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z1)/(s12*s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z1)/
    (2*s12*s123*s124*s23*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s124*s14*s23*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s34*z1)/
    (16*s12*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/
    (32*s12*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z1)/
    (8*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/
    (32*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s134*s14*s23*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s12*s124*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s12*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s14*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (16*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (16*s12*s124*s14*s23*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1)/(s12*s124*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (2*s12*s124*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s34^2*z1)/
    (16*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s34^2*z1)/
    (16*s12*s124*s14*s23*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34^2*z1)/(s12*s124*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34^2*z1)/
    (2*s12*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s134*s14*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1^2)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (4*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (16*s12*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (32*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s34*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34^2*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34^2*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34^2*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34^2*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) - (5*CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s123*z23) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s123*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z2)/(16*s134*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s14*z23) - 
   (5*CA*(CA - 2*CF)*s1234*z2)/(16*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s123*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s134*s23*z23) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s134*s23*z23) + (CA*(CA - 2*CF)*s12*s1234*z2)/(16*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s134*s14*s23*z23) - 
   (CF*(-CA + 2*CF)*s1234*z2)/(2*s234^2*z23) + (5*CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s234*z23) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s234*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s234*z23) + 
   (5*CA*(CA - 2*CF)*s1234*z2)/(16*s14*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s14*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s23*s234*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z2)/(s123*s23*s234*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s23*s234*z23) + (CA*(CA - 2*CF)*s12*s1234*z2)/
    (4*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s14*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s134*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s134*s14*s23*z23) - (CF*(-CA + 2*CF)*s1234*s24*z2)/
    (2*s23*s234^2*z23) + (5*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s23*s234*z23) + (5*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s134*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s14*s23*s234*s34*z23) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s12*s123*s124*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (2*s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s123*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s123*s14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s124*s14*z23) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s123*s124*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (2*s123*s124*s23*z23) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z2)/(s12*s123*s124*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z2)/
    (2*s12*s123*s124*s23*z23) + (7*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s123*s14*s23*z23) - (3*CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (4*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s124*s14*s23*z23) + (5*CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (16*s12*s123*s14*s23*z23) - (3*CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/
    (32*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (4*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/
    (32*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s134*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s134*s14*s23*z23) - (CF*(-CA + 2*CF)*s1234*s34*z2)/
    (2*s23*s234^2*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z2)/(s12*s124*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (2*s12*s124*s234*z23) + (5*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s23*s234*z23) + (5*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s14*s23*s234*z23) + (5*CA*(CA - 2*CF)*s1234*s24*s34*z2)/
    (16*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/
    (16*s12*s124*s14*s23*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z2)/(s12*s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z2)/
    (2*s12*s124*s23*s234*z23) + (5*CA*(CA - 2*CF)*s1234*s34^2*z2)/
    (16*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s34^2*z2)/
    (16*s12*s124*s14*s23*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34^2*z2)/(s12*s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34^2*z2)/
    (2*s12*s124*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s123*z12*z23) + (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s123*s23*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s23*z12*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s234*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s123*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (16*s12*s123*s14*s23*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (16*s12*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s134*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s14*s234*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s12*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s12*s124*s23*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s123*s14*s23*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s124*s14*s23*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s14*s23*s234*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34^2*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34^2*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s12*s123*z12*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s123*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s123*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s12*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/
    (16*s12*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s12*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z2^2)/
    (16*s12*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2^2)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (4*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (16*s12*s123*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (8*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (32*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z2^2)/
    (32*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z2^2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z2^2)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z2^2)/
    (32*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*s34*z2^2)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z2^2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34^2*z2^2)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34^2*z2^2)/
    (32*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34^2*z2^2)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34^2*z2^2)/
    (32*s12*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z3)/
    (16*s12*s123*z12) + (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s123*z12) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s134*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(2*s123*s134*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s124*s134*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/
    (2*s124*s134*z12) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z3)/(s12*s123*s134*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z3)/(2*s12*s123*s134*z12) - (CA*(CA - 2*CF)*s1234*z3)/
    (8*s134*s14*z12) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*
     z3)/(s12*s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*z3)/(2*s12*s124*s134*z12) - (CA*(CA - 2*CF)*s1234*z3)/
    (16*s123*s23*z12) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z12) + 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s23*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s12*s123*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s12*s123*s23*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s124*s23*z12) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z3)/
    (s12*s123*s134*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z3)/(2*s12*s123*s134*z12) + (CA*(CA - 2*CF)*s1234*z3)/
    (4*s23*s234*z12) - (CA*(CA - 2*CF)*D*s1234*z3)/(16*s23*s234*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s12*s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s12*s124*s134*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s14*z12) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s124*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s124*s23*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s14*s23*z12) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s124*s14*s23*z12) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s123*s14*s23*z12) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s12*s123*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s12*s123*s234*z12) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s123*s23*s234*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s124*s23*s234*z12) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s12*s123*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z3)/
    (2*s12*s123*s23*s234*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z3)/(s12*s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z3)/
    (2*s12*s124*s23*s234*z12) + (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s124*s14*s23*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z3)/(s12*s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z3)/
    (2*s12*s124*s23*s234*z12) - (5*CA*(CA - 2*CF)*s1234*z3)/
    (16*s124*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s34*z12) - 
   (9*CA*(CA - 2*CF)*s1234*z3)/(16*s134*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s12*s134*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(4*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s134*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s123*s23*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z3)/(16*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/(32*s12*s123*s23*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s23*z3)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z3)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z3)/(8*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/(32*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14^2*z3)/(16*s12*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s12*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z3)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s234*s34*z12) + 
   (9*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(4*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s12*s23*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z3)/(8*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/(16*s12*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(8*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s12*s134*s14*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(16*s12*s23*s234*s34*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s124*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/
    (2*s123*s124*z14) + (CF*(-CA + 2*CF)*s1234*z3)/(2*s134^2*z14) - 
   (5*CA*(CA - 2*CF)*s1234*z3)/(16*s12*s134*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s134*z14) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z3)/(2*s12*s123*s134*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s12*s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(2*s12*s123*s124*z14) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(2*s12*s123*s134*z14) - (CA*(CA - 2*CF)*s1234*z3)/
    (4*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z14) - 
   (7*CA*(CA - 2*CF)*s1234*z3)/(16*s124*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s23*z14) - 
   (5*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s12*s123*s23*z14) - 
   (5*CA*(CA - 2*CF)*s1234*z3)/(16*s134*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*z3)/(8*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s23*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*
     z3)/(s12*s123*s124*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s12*s123*s134*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s12*s123*s134*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s124*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s134*s14*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s12*s123*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z3)/
    (2*s12*s123*s134*s14*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s124*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s124*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s134*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s14*s23*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s134*s14*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s23*s234*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z3)/(s12*s123*s124*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z3)/
    (2*s12*s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (8*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s124*s14*s23*z14) + (5*CA*(CA - 2*CF)*s1234*z3)/
    (16*s124*s34*z14) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s34*z14) + 
   (CF*(-CA + 2*CF)*s1234*s13*z3)/(2*s134^2*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s134*s34*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s124*s134*s34*z14) - (5*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s12*s134*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s12*s134*s34*z14) + (5*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s124*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s124*s34*z14) + (CF*(-CA + 2*CF)*s1234*s14*z3)/
    (2*s134^2*s34*z14) - (5*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s134*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s134*s34*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s124*s134*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*z3)/
    (4*s134*s23*s34*z14) - (5*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s134*s23*s34*z14) - (5*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s134*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s134*s23*s34*z14) + (CA*(CA - 2*CF)*s1234*z3)/(4*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(8*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s23*s234*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s12*s124*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s134*s34*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s124*s134*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s124*s14*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s134*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s134*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s134*s23*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s23*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s134*s14*s23*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s124*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s134*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3)/(s124*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s134*s14*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (4*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (16*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s124*s14*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z3)/(s124*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s14*s23*s234*s34*z14) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z3)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z3)/(2*s12*s123*s134*z14) - (5*CA*(CA - 2*CF)*s1234*s34*z3)/
    (16*s12*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z3)/
    (16*s12*s123*s23*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z3)/(s12*s123*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z3)/
    (2*s12*s123*s134*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s24*s34*z3)/
    (16*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z3)/
    (16*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s123*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s134*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s14*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s124*s34*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s134*s34*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s124*s14*s34*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s134*s14*s34*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*z3)/
    (16*s12*s123*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s123*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s12*s124*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s124*z23) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s134*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(s123*s134*z23) + 
   (CA*(CA - 2*CF)*s1234*z3)/(2*s134*s14*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (8*s134*s14*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*
     z3)/(s12*s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*z3)/(2*s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*z3)/
    (16*s123*s23*z23) + (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(8*s124*s23*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s23*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s12*s123*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s12*s123*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(8*s12*s124*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s12*s124*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s23*z23) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s134*s23*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(s123*s134*s23*z23) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s123*s134*s23*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z3)/(s123*s134*s23*z23) + (5*CA*(CA - 2*CF)*s12*s1234*z3)/
    (8*s134*s14*s23*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (8*s134*s14*s23*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (8*s134*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s134*s14*s23*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (2*s123*s124*s23*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z3)/(s12*s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z3)/
    (2*s12*s123*s124*s23*z23) - (CF*(-CA + 2*CF)*s1234*z3)/(s234^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*z3)/(4*s234^2*z23) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(s123*s234*z23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s134*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(s134*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*z3)/(2*s14*s234*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (8*s14*s234*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*
     z3)/(s12*s124*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*z3)/(2*s12*s124*s234*z23) - (3*CA*(CA - 2*CF)*s1234*z3)/
    (16*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z3)/(32*s23*s234*z23) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(s123*s23*s234*z23) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s123*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z3)/(s123*s23*s234*z23) + (CA*(CA - 2*CF)*s12*s1234*z3)/
    (2*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (8*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s14*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*z3)/(s134*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s12*s123*s124*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s123*s124*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24*z3)/(2*s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s12*s123*s124*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z3)/(2*s12*s123*s124*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s124*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s12*s124*s14*s23*z23) + 
   (5*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s134*s14*s23*z23) - 
   (5*CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s134*s14*s23*z23) - 
   (CF*(-CA + 2*CF)*s1234*s24*z3)/(s23*s234^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s24*z3)/(4*s23*s234^2*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s12*s124*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s12*s124*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s23*s234*z23) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s134*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (s134*s23*s234*z23) + (9*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s14*s23*s234*z23) - (5*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s23*s234*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z3)/(s12*s124*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z3)/
    (2*s12*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (16*s12*s124*s14*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z3)/(s12*s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z3)/
    (2*s12*s124*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*z3)/
    (16*s134*s34*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s34*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s123*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s123*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s134*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s123*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s14*z3)/
    (16*s12*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/
    (32*s12*s123*s23*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s14*z3)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z3)/
    (s123*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*z3)/(16*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s134*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s14*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (16*s134*s14*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s14*s23*s234*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (16*s12*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/
    (32*s12*s23*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z3)/(s134*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(8*s134*s14*s23*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s134*s14*s23*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s12*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s12*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s14*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s14*s23*s234*s34*z23) - 
   (5*CA*(CA - 2*CF)*s1234*s34*z3)/(16*s12*s124*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z3)/(16*s12*s124*s23*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z3)/(8*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z3)/(16*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z3)/(4*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z3)/(16*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z3)/(8*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3)/(2*s134*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z3)/(8*s134*s14*s23*z23) - 
   (CF*(-CA + 2*CF)*s1234*s34*z3)/(s23*s234^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s34*z3)/(4*s23*s234^2*z23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z3)/
    (s134*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z3)/(s134*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s34*z3)/
    (2*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z3)/
    (8*s14*s23*s234*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*s34*z3)/(s12*s124*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s34*z3)/
    (2*s12*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z3)/
    (16*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z3)/
    (16*s12*s124*s14*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z3)/(s12*s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z3)/
    (2*s12*s124*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s12*s123*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s12*s123*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (4*s12*s124*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s12*s124*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s134*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s134*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (4*s14*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s14*s234*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (2*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (8*s12*s124*s14*z14*z23) - (9*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s23*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s14*s23*s234*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s134*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z3)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z3)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34^2*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s12*s123*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s123*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s123*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (16*s12*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (16*s12*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2*z3)/
    (8*s12*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z2*z3)/
    (8*s12*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s12*s123*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s12*s123*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s12*s124*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s12*s124*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s123*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s12*s123*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (2*s134*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s134*s23*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (2*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (8*s12*s124*s23*z14*z23) + (5*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s14*s23*s234*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s123*s23*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s123*s23*z14*z23) - (9*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s124*s23*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s12*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/
    (32*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s12*s123*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z2*z3)/
    (32*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*s34*z2*z3)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z2*z3)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34^2*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z3^2)/
    (8*s12*s123*z14*z23) - (CA*(CA - 2*CF)*s1234*z3^2)/
    (16*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3^2)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z3^2)/
    (16*s134*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z3^2)/
    (32*s134*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z3^2)/
    (8*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z3^2)/
    (32*s23*s234*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (16*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z3^2)/
    (8*s134*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z3^2)/
    (16*s134*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z3^2)/
    (16*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/
    (32*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z3^2)/
    (16*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/
    (32*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*z3^2)/
    (4*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z3^2)/
    (16*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z3^2)/
    (8*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/
    (32*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z3^2)/
    (8*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/
    (32*s23*s234*s34*z14*z23) - (5*CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (32*s134*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z3^2)/
    (32*s134*s14*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (8*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (32*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z3^2)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/
    (32*s14*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z3^2)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z3^2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s12*s123*z34) + (CA*(CA - 2*CF)*s1234*z1)/(8*s12*s124*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s124*z34) - 
   (CF*(-CA + 2*CF)*s1234*z1)/(2*s134^2*z34) + (CF*(-CA + 2*CF)*D*s1234*z1)/
    (4*s134^2*z34) + (3*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s134*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s134*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s124*s134*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(2*s124*s134*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s124*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s124*s14*z34) - 
   (CF*(-CA + 2*CF)*s1234*s13*z1)/(2*s134^2*s14*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*z1)/(4*s134^2*s14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s134*s14*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s134*s14*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s124*s134*s14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(2*s124*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s123*s23*z34) - (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s23*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s134*s23*z34) - (CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s134*s14*s23*z34) - (CA*(CA - 2*CF)*s1234*s14*z1)/
    (16*s12*s123*s23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*z1)/(s123*s134*s23*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (16*s12*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (16*s12*s134*s14*z34) - (3*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s234*z34) + 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s14*s234*z34) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s14*s234*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1)/(s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (2*s124*s14*s234*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1)/(s134*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (s134*s14*s234*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s124*s14*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (8*s12*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s23*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s124*s14*s234*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s134*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (s134*s14*s234*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s123*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s124*s14*z34) - (CF*(-CA + 2*CF)*s1234*s34*z1)/
    (2*s134^2*s14*z34) + (CF*(-CA + 2*CF)*D*s1234*s34*z1)/
    (4*s134^2*s14*z34) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s134*s14*z34) - (3*CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s134*s14*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s124*s134*s14*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s124*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s123*s23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s123*s134*s23*z34) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s134*s14*s23*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s124*s14*s234*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s134*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (s134*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s123*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s12*s123*z12*z34) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s12*s124*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (32*s12*s124*z12*z34) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s12*s134*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (32*s12*s134*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (8*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (32*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1^2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (8*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (32*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (4*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (8*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (8*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*z2)/(8*s12*s123*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s123*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s124*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2)/(16*s12*s134*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s134*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s124*s134*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s134*s14*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s124*s134*s14*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s12*s123*s23*z34) + (CA*(CA - 2*CF)*s1234*z2)/(16*s134*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s23*z34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s134*s23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s134*s23*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s14*s23*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (16*s12*s123*s23*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2)/(s123*s134*s23*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (2*s123*s134*s23*z34) - (CA*(CA - 2*CF)*s1234*s23*z2)/
    (16*s12*s124*s14*z34) - (CF*(-CA + 2*CF)*s1234*z2)/(2*s234^2*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*z2)/(4*s234^2*z34) + (3*CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s234*z34) - (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s234*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(2*s123*s234*z34) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s14*s234*z34) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s14*s234*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (8*s12*s23*s234*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s134*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (s134*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (16*s12*s23*s234*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2)/(s134*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (s134*s23*s234*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*z2)/(s124*s14*s234*z34) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s12*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s123*s23*z34) - (CF*(-CA + 2*CF)*s1234*s24*z2)/
    (2*s23*s234^2*z34) + (CF*(-CA + 2*CF)*D*s1234*s24*z2)/
    (4*s23*s234^2*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z2)/(s124*s14*s234*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s23*s234*z34) - (3*CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s23*s234*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s123*s23*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z2)/
    (2*s123*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s124*s14*z34) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s134*s14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z2)/(s124*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s123*s23*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s123*s134*s23*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (2*s123*s134*s23*z34) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s134*s14*s23*z34) - (CF*(-CA + 2*CF)*s1234*s34*z2)/
    (2*s23*s234^2*z34) + (CF*(-CA + 2*CF)*D*s1234*s34*z2)/
    (4*s23*s234^2*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s34*z2)/(s124*s14*s234*z34) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s23*s234*z34) - (3*CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s23*s234*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s123*s23*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (2*s123*s23*s234*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s134*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (s134*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s123*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s12*s123*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s124*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s12*s124*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s134*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s12*s134*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s12*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s12*s123*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (32*s12*s123*z12*z34) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s12*s124*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (8*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2^2)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s12*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (32*s12*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (32*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (8*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/
    (32*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/
    (32*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (4*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*z3)/(16*s12*s124*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s124*z34) + 
   (CF*(-CA + 2*CF)*s1234*z3)/(2*s134^2*z34) - (CF*(-CA + 2*CF)*D*s1234*z3)/
    (4*s134^2*z34) - (3*CA*(CA - 2*CF)*s1234*z3)/(16*s12*s134*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s134*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s124*s134*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/
    (2*s124*s134*z34) + (CA*(CA - 2*CF)*s1234*z3)/(16*s134*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s123*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s123*s23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s134*s23*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     z3)/(s124*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     z3)/(2*s124*s234*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*z3)/(s134*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*z3)/(s134*s234*z34) - (CA*(CA - 2*CF)*s1234*z3)/
    (16*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s23*s234*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s23*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s134*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s124*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s23*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s134*s23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s123*s134*s23*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s14*s23*z34) + (CF*(-CA + 2*CF)*s1234*s24*z3)/
    (2*s23*s234^2*z34) - (CF*(-CA + 2*CF)*D*s1234*s24*z3)/
    (4*s23*s234^2*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*
     z3)/(s124*s14*s234*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s23*s234*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s23*s234*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s123*s23*s234*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s134*s23*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (s134*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s12*s124*s34*z34) + (CF*(-CA + 2*CF)*s1234*s13*z3)/
    (2*s134^2*s34*z34) - (CF*(-CA + 2*CF)*D*s1234*s13*z3)/
    (4*s134^2*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s12*s134*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s12*s134*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3)/(s124*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z3)/
    (2*s124*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s123*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*z3)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s124*s34*z34) + (CF*(-CA + 2*CF)*s1234*s14*z3)/
    (2*s134^2*s34*z34) - (CF*(-CA + 2*CF)*D*s1234*s14*z3)/
    (4*s134^2*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s134*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s134*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s124*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (2*s124*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s134*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z3)/
    (16*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*z3)/(s123*s134*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s14^2*z3)/
    (16*s12*s123*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14^2*z3)/(s123*s134*s23*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z3)/(16*s12*s124*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z3)/(16*s12*s124*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z3)/(16*s12*s134*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*z3)/(s123*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z3)/
    (s124*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z3)/(2*s124*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z3)/
    (s134*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z3)/(s134*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s134*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s134*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s124*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s134*s14*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s124*s134*s14*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s12*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(16*s12*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s134*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s134*s23*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s123*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z3)/(2*s123*s134*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s134*s14*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s134*s14*s23*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z3)/(16*s12*s123*s23*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/(32*s12*s123*s23*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z3)/
    (s123*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s24*z3)/(2*s123*s134*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z3)/(16*s12*s124*s14*s34*z34) + 
   (CF*(-CA + 2*CF)*s1234*s24*z3)/(2*s234^2*s34*z34) - 
   (CF*(-CA + 2*CF)*D*s1234*s24*z3)/(4*s234^2*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s234*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s234*s34*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s123*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s124*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s124*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s134*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(s134*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s23*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (8*s12*s23*s234*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s134*s23*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z3)/
    (s134*s23*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (16*s12*s23*s234*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/
    (32*s12*s23*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z3)/(s123*s23*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z3)/
    (s134*s23*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s24*z3)/(s134*s23*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z3)/
    (s124*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (8*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s123*s23*s34*z34) + (CF*(-CA + 2*CF)*s1234*s24^2*z3)/
    (2*s23*s234^2*s34*z34) - (CF*(-CA + 2*CF)*D*s1234*s24^2*z3)/
    (4*s23*s234^2*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24^2*z3)/(s124*s14*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s23*s234*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s23*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z3)/(s123*s23*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z3)/
    (2*s123*s23*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s14*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s14*s23*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s123*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s12*s123*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (4*s12*s124*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s12*s124*z12*z34) + (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s134*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s12*s134*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s134*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s12*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s12*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (8*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (32*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s12*s124*s14*z12*z34) + (7*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s12*s134*s14*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s123*s23*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s23*s234*z12*z34) - (5*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (32*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z1*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14^2*z1*z3)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/
    (32*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z3)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z3)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (4*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/
    (4*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z3)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (4*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s12*s134*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (4*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (16*s12*s23*s234*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s12*s123*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s12*s123*z12*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s12*s124*z12*z34) - (5*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s12*s134*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s134*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s12*s123*s23*z12*z34) - (7*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s123*s23*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (32*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s12*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s12*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (2*s12*s23*s234*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (32*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z3)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14^2*z2*z3)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (16*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (8*s12*s134*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (32*s12*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14^2*z2*z3)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (8*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z2*z3)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (8*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s12*s134*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (4*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s123*z23*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s14*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s14*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s134*s14*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s23*s234*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s14*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s134*s14*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s14*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s14*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s134*s14*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s12*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s14*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s12*s123*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s123*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s134*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s134*s14*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s12*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s14*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s14*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s134*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s134*s14*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s12*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s14*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*z3^2)/
    (8*s12*s134*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (8*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (4*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (8*s12*s134*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (8*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (4*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z3^2)/
    (16*s12*s134*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s12*s134*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s14*z3^2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z3^2)/
    (32*s12*s123*s23*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14^2*z3^2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14^2*z3^2)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z3^2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (8*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/
    (32*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z3^2)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z3^2)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14^2*z3^2)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14^2*z3^2)/
    (32*s12*s23*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (16*s12*s134*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z3^2)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (16*s12*s134*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z3^2)/
    (16*s134*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*z3^2)/
    (16*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s12*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s134*s14*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s12*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s14*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s12*s123*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z3^2)/
    (16*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s123*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z3^2)/
    (16*s12*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*z3^2)/
    (16*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s12*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s12*s123*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (16*s12*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s134*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (16*s134*s14*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s12*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s14*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s23*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/
    (16*s12*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (16*s12*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (16*s14*s23*s234*s34*z23*z34) - (3*CA*(CA - 2*CF)*s1234*z4)/
    (16*s12*s124*z12) + (CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s124*z12) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s12*s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s12*s124*s134*z12) + (3*CA*(CA - 2*CF)*s1234*z4)/
    (16*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s124*s14*z12) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s12*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s12*s123*s14*z12) + (CA*(CA - 2*CF)*s1234*z4)/(4*s134*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s134*s14*z12) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s123*s134*s14*z12) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s124*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s124*s134*s14*z12) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z4)/
    (s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2*z4)/(2*s12*s123*s134*s14*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s124*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s23*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s123*s14*s23*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s124*s14*s23*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/(16*s12*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(32*s12*s123*s14*s23*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s123*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s123*s14*z12) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z4)/
    (s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s23*z4)/(2*s12*s123*s134*s14*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z4)/
    (2*s123*s234*z12) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     z4)/(s124*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     z4)/(2*s124*s234*z12) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s12*s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s12*s123*s234*z12) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z4)/(s12*s124*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z4)/
    (2*s12*s124*s234*z12) - (CA*(CA - 2*CF)*s1234*z4)/(8*s23*s234*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s12*s123*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s12*s123*s234*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s12*s124*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s124*s14*z12) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s12*s124*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (2*s12*s124*s134*s14*z12) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s124*s14*s23*z12) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s12*s124*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (2*s12*s124*s234*z12) - (5*CA*(CA - 2*CF)*s1234*z4)/(16*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s134*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s124*s14*s34*z12) + 
   (9*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s134*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s134*s14*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s13^2*z4)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/(16*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(32*s12*s123*s23*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s134*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z4)/(8*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z4)/(16*s12*s134*s14*s34*z12) - 
   (9*CA*(CA - 2*CF)*s1234*z4)/(16*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s12*s234*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s14*z4)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z4)/(16*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(8*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(32*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z4)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(4*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(32*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(4*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(32*s12*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z4)/(16*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/(32*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z4)/(8*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/(32*s12*s134*s14*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s24*z4)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s12*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s12*s123*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s123*z14) + 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s12*s124*z14) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s12*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*
     z4)/(s12*s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*z4)/(2*s12*s123*s124*z14) - (CF*(-CA + 2*CF)*s1234*z4)/
    (s134^2*z14) + (CF*(-CA + 2*CF)*D*s1234*z4)/(4*s134^2*z14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s124*s134*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z4)/(s124*s134*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s12*s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s12*s123*s134*z14) - (3*CA*(CA - 2*CF)*s1234*z4)/
    (8*s123*s14*z14) + (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s124*s14*z14) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s124*s14*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s123*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s12*s123*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s123*s124*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z4)/(2*s123*s124*s14*z14) - (CF*(-CA + 2*CF)*s1234*s13*z4)/
    (s134^2*s14*z14) + (CF*(-CA + 2*CF)*D*s1234*s13*z4)/(4*s134^2*s14*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s134*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s14*z14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s124*s134*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(s124*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13^2*z4)/(s12*s123*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z4)/
    (2*s12*s123*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s123*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s124*s23*z14) + (CA*(CA - 2*CF)*s1234*z4)/(2*s134*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(8*s134*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(16*s12*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(16*s12*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(2*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(8*s134*s14*s23*z14) + 
   (9*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s134*s14*s23*z14) - 
   (5*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s134*s14*s23*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s12*s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s12*s123*s124*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s12*s123*s134*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s123*s124*s14*z14) - (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s134*s14*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z4)/(s12*s123*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z4)/
    (2*s12*s123*s134*s14*z14) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*z4)/(s124*s234*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     D*s1234*z4)/(s124*s234*z14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s134*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z4)/(s134*s234*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s14*s234*z14) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s124*s14*s234*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(s124*s14*s234*z14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s134*s14*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(s134*s14*s234*z14) + (CA*(CA - 2*CF)*s1234*z4)/
    (2*s23*s234*z14) - (CA*(CA - 2*CF)*D*s1234*z4)/(8*s23*s234*z14) + 
   (5*CA*(CA - 2*CF)*s12*s1234*z4)/(8*s14*s23*s234*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(8*s14*s23*s234*z14) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s14*s23*s234*z14) - 
   (5*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s14*s23*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s134*s14*s234*z14) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s12*s123*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s123*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s12*s124*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z4)/(s12*s123*s124*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (2*s12*s123*s124*s14*z14) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s124*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (s124*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s134*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s134*s14*s23*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z4)/(s12*s123*s124*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z4)/
    (2*s12*s123*s124*s14*z14) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s124*s14*s234*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (s124*s14*s234*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s14*s23*s234*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s14*s23*s234*z14) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s124*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s124*s34*z14) + (CA*(CA - 2*CF)*s1234*z4)/(16*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(16*s12*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(32*s12*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s134*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(16*s134*s14*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(32*s134*s14*s23*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s124*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s134*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s124*s14*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z4)/(16*s12*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/(32*s12*s134*s14*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s14*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4)/(16*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(8*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(32*s14*s23*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s124*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*z4)/(s134*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s23*z4)/(s124*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z4)/
    (s134*s14*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s124*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (4*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s134*s14*s23*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s23*s24*z4)/
    (16*s12*s124*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/
    (32*s12*s124*s14*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s14*s234*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s14*s23*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z4)/(s124*s14*s234*s34*z14) - 
   (5*CA*(CA - 2*CF)*s1234*s34*z4)/(16*s12*s123*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z4)/(16*s12*s123*s14*z14) - 
   (CF*(-CA + 2*CF)*s1234*s34*z4)/(s134^2*s14*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s34*z4)/(4*s134^2*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z4)/
    (s12*s123*s134*s14*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34*z4)/(2*s12*s123*s134*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z4)/(4*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z4)/(16*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z4)/(8*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z4)/(16*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z4)/(16*s12*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z4)/(16*s12*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z4)/(2*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z4)/(8*s134*s14*s23*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z4)/
    (s12*s123*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s34*z4)/(2*s12*s123*s134*s14*z14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z4)/
    (s134*s14*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z4)/(s134*s14*s234*z14) + (CA*(CA - 2*CF)*s1234*s34*z4)/
    (2*s14*s23*s234*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z4)/
    (8*s14*s23*s234*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z4)/
    (8*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s12*s124*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s12*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s12*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (16*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (16*s12*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s34*z1*z4)/
    (8*s12*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z4)/
    (8*s12*s124*s14*s23*z12*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s123*s124*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z4)/
    (2*s123*s124*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*
     z4)/(s12*s123*s124*z23) - (7*CA*(CA - 2*CF)*s1234*z4)/
    (16*s123*s14*z23) + (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s124*s14*z23) + (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s123*s14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s124*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s134*s14*z23) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s134*s14*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s123*s124*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z4)/(2*s123*s124*s23*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z4)/
    (s12*s123*s124*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2*z4)/(2*s12*s123*s124*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s124*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/(16*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(32*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(8*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(32*s12*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s134*s14*s23*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s12*s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s12*s123*s124*z23) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s123*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s123*s14*z23) - (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s124*s14*z23) + (CF*(-CA + 2*CF)*s1234*z4)/(2*s234^2*z23) - 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s12*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s234*z23) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s12*s124*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s12*s124*s234*z23) - (5*CA*(CA - 2*CF)*s1234*z4)/
    (16*s14*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z4)/(32*s14*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s23*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s134*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s14*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s23*s234*z23) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s12*s124*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (2*s12*s124*s234*z23) - (5*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s12*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s12*s124*s14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s23*z23) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s12*s124*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (2*s12*s124*s234*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s12*s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (2*s12*s124*s23*s234*z23) + (5*CA*(CA - 2*CF)*s1234*z4)/
    (16*s123*s34*z23) - (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s12*s123*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s134*s34*z23) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s134*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*
     z4)/(s123*s134*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (4*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s123*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s123*s23*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13*z4)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z4)/
    (s123*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s134*s14*s23*s34*z23) + (5*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s123*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s123*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s134*s14*s34*z23) + (CF*(-CA + 2*CF)*s1234*s23*z4)/
    (2*s234^2*s34*z23) + (CA*(CA - 2*CF)*s1234*z4)/(4*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s234*s34*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s234*s34*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s123*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s134*s234*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (4*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s234*s34*z23) - (5*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s234*s34*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s123*s234*s34*z23) - (5*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s134*s14*s23*s34*z23) + (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (2*s234^2*s34*z23) - (5*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s12*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s234*s34*z23) - (5*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s23*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s134*s23*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s14*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(32*s14*s23*s234*s34*z23) - 
   (5*CA*(CA - 2*CF)*s1234*s34*z4)/(16*s12*s124*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z4)/(16*s12*s124*s14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z4)/(16*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z4)/(16*s12*s124*s14*s23*z23) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z4)/
    (s12*s124*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z4)/(2*s12*s124*s234*z23) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z4)/
    (s12*s124*s23*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34*z4)/(2*s12*s124*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s12*s123*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(16*s12*s123*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(4*s12*s124*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(16*s12*s124*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z4)/(16*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(32*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(32*s124*s14*z14*z23) - 
   (9*CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s12*s123*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s12*s123*s14*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s12*s124*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s12*s124*s14*z14*z23) + 
   (5*CA*(CA - 2*CF)*s1234*z1*z4)/(16*s134*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(16*s134*s14*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s124*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/(32*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(2*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(8*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(2*s14*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(16*s14*s234*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/(32*s14*s23*s234*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s14*s23*s234*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s12*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s12*s124*s14*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s134*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s134*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z1*z4)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(4*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s14*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/(16*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/(32*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/(32*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(16*s124*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z1*z4)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z4)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z4)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z4)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(8*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/(32*s134*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/(32*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z4)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34^2*z1*z4)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s12*s124*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s123*s14*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s124*s14*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s123*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s124*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(16*s12*s123*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(16*s12*s123*s14*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s12*s234*z12*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s124*s14*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(16*s12*s124*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s123*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s12*s123*s34*z12*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s123*s23*s34*z12*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(16*s12*s123*s23*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(16*s12*s123*s34*z12*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s234*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(16*s12*s234*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s234*s34*z12*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(16*s12*s23*s234*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(4*s12*s123*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s12*s123*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z4)/(8*s12*s124*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s12*s124*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(8*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(32*s123*s14*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z4)/(16*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(32*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s123*s14*z14*z23) - 
   (9*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s124*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(2*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(8*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(4*s134*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s134*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(32*s12*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(32*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z4)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/(32*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s14*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(8*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z4)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/(32*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(8*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s12*s123*s14*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(32*s12*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(32*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(8*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z4)/(16*s14*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z4)/(8*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/(32*s12*s123*s14*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z2*z4)/(16*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/(32*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2*z4)/(8*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2*z4)/(16*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/(8*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2*z4)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2*z4)/(32*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z4)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/(32*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z4)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/(32*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z2*z4)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34^2*z2*z4)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s12*s123*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s12*s124*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s124*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s123*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s134*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s134*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s124*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s14*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s14*s234*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s123*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(16*s12*s124*s14*s23*z14*z23) + 
   (5*CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(8*s134*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(32*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(32*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3*z4)/(32*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/(32*s134*s14*s23*s34*z14*z23) + 
   (5*CA*(CA - 2*CF)*s1234*z3*z4)/(8*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(8*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(32*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s14*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(32*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(8*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3*z4)/(32*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(8*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/(32*s14*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3*z4)/(32*s134*s14*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3*z4)/(32*s14*s23*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/(32*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(16*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(16*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(8*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(8*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z3*z4)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z3*z4)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s12*s123*z34) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s12*s123*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     z4)/(s123*s134*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     z4)/(2*s123*s134*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s124*s14*z34) + (CF*(-CA + 2*CF)*s1234*s13*z4)/
    (2*s134^2*s14*z34) - (CF*(-CA + 2*CF)*D*s1234*s13*z4)/
    (4*s134^2*s14*z34) - (CA*(CA - 2*CF)*s1234*z4)/(16*s134*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s134*s14*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s134*s14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s124*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s124*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s123*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s123*s134*s23*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s23*z34) - (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s134*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*z4)/(s124*s134*s14*z34) + (CF*(-CA + 2*CF)*s1234*z4)/
    (2*s234^2*z34) - (CF*(-CA + 2*CF)*D*s1234*z4)/(4*s234^2*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s12*s234*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s234*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s123*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z4)/
    (2*s123*s234*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     z4)/(s134*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     z4)/(s134*s234*z34) + (CA*(CA - 2*CF)*s1234*z4)/(16*s14*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s14*s234*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s124*s14*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s124*s14*s234*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s134*s14*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(s134*s14*s234*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s123*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s23*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z4)/(s124*s14*s234*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s123*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s123*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s124*s34*z34) + (CF*(-CA + 2*CF)*s1234*s13*z4)/
    (2*s134^2*s34*z34) - (CF*(-CA + 2*CF)*D*s1234*s13*z4)/
    (4*s134^2*s34*z34) - (CA*(CA - 2*CF)*s1234*z4)/(16*s134*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s134*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s134*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s134*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s123*s134*s34*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s124*s134*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s124*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (8*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s124*s14*s34*z34) + (CF*(-CA + 2*CF)*s1234*s13^2*z4)/
    (2*s134^2*s14*s34*z34) - (CF*(-CA + 2*CF)*D*s1234*s13^2*z4)/
    (4*s134^2*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s134*s14*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s134*s14*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z4)/(s124*s134*s14*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z4)/
    (2*s124*s134*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z4)/
    (16*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z4)/
    (16*s12*s123*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z4)/(s123*s134*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z4)/
    (2*s123*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13^2*z4)/(s123*s134*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z4)/
    (16*s12*s123*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z4)/(s123*s134*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s124*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s134*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s124*s134*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (16*s12*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/
    (32*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (16*s12*s134*s14*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/
    (32*s12*s134*s14*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z4)/(s124*s134*s14*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z4)/(16*s12*s124*s14*s34*z34) + 
   (CF*(-CA + 2*CF)*s1234*s23*z4)/(2*s234^2*s34*z34) - 
   (CF*(-CA + 2*CF)*D*s1234*s23*z4)/(4*s234^2*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s234*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s234*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s134*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z4)/(s134*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z4)/
    (16*s12*s234*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z4)/(s134*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z4)/
    (s134*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s234*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s123*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (2*s123*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s14*s234*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z4)/(s124*s14*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z4)/
    (2*s124*s14*s234*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z4)/(s134*s14*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z4)/
    (s134*s14*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23^2*z4)/(s124*s14*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s123*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (8*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z4)/
    (16*s12*s124*s14*s34*z34) + (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (2*s234^2*s34*z34) - (CF*(-CA + 2*CF)*D*s1234*s24*z4)/
    (4*s234^2*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s12*s234*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s123*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (2*s123*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s14*s234*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s124*s14*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (2*s124*s14*s234*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s134*s14*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (s134*s14*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s23*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s123*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s14*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(32*s14*s23*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z4)/
    (s124*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s12*s123*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s12*s124*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s12*s124*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s12*s134*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s12*s134*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s123*s23*z12*z34) - (7*CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s124*s14*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (2*s12*s134*s14*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (32*s12*s134*s14*z12*z34) - (5*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s12*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (16*s12*s23*s234*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/
    (32*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z1*z4)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (32*s12*s124*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (8*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23^2*z1*z4)/
    (32*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23^2*z1*z4)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (32*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z4)/
    (32*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z4)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (4*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s12*s124*z14*z34) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s12*s134*z14*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s134*s14*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s134*s14*z14*z34) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s134*s23*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s134*s14*s23*z14*z34) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s14*s234*z14*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s124*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s14*s23*s234*z14*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s134*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s134*s14*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s14*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s14*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s12*s134*s14*z14*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s134*s14*s23*z14*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s14*s23*s234*z14*z34) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (4*s12*s123*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s12*s123*z12*z34) + (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s12*s124*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s12*s124*z12*z34) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s12*s134*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s12*s134*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s12*s124*s14*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s134*s14*z12*z34) - (5*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (32*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (8*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (32*s12*s134*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s12*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s12*s234*z12*z34) + (7*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (16*s12*s23*s234*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (4*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z4)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/
    (4*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z2*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23^2*z2*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/
    (32*s12*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s12*s23*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z4)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (4*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z2*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s12*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s12*s23*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (4*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s12*s124*z14*z34) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s12*s134*z14*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s124*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s134*s14*z14*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s134*s23*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s134*s14*s23*z14*z34) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s14*s234*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s14*s23*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s124*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s14*s23*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s134*s23*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s134*s14*s23*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s14*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s14*s23*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s12*s134*s14*z14*z34) - (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s134*s14*s23*z14*z34) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s14*s23*s234*z14*z34) - (3*CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s12*s123*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s12*s123*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s12*s124*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s12*s124*z12*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (4*s12*s134*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s12*s134*z12*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (4*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (8*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (4*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (8*s123*s23*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (4*s12*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s12*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (4*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (8*s12*s23*s234*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (4*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s124*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (32*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (16*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/
    (32*s12*s123*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/
    (32*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (8*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (16*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (8*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/
    (16*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s14*z3*z4)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z3*z4)/
    (32*s12*s123*s23*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/
    (32*s12*s123*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/
    (32*s12*s124*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/
    (16*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23^2*z3*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z3*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z3*z4)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14^2*z3*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/
    (32*s12*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (16*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (16*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/
    (32*s12*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*s24*z3*z4)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z3*z4)/
    (32*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z3*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z3*z4)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s12*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/
    (32*s12*s23*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/
    (32*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (8*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (4*s12*s124*z14*z34) - (CF*(-CA + 2*CF)*s1234*z3*z4)/(s134^2*z14*z34) + 
   (7*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s12*s134*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3*z4)/
    (s124*s134*z14*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s124*s14*z14*z34) - 
   (CF*(-CA + 2*CF)*s1234*s13*z3*z4)/(s134^2*s14*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3*z4)/
    (s124*s134*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (2*s12*s134*s14*z14*z34) + (7*CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s134*s23*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (4*s134*s14*s23*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (2*s134*s14*s23*z14*z34) + (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s12*s134*s14*z14*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*z3*z4)/(s124*s234*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3*z4)/
    (s134*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s14*s234*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3*z4)/
    (s124*s14*s234*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3*z4)/(s134*s14*s234*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(4*s14*s23*s234*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z3*z4)/
    (s134*s14*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (4*s12*s124*s14*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s134*s14*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3*z4)/(s124*s134*s14*z14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s134*s14*s23*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3*z4)/
    (s124*s14*s234*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3*z4)/(s134*s14*s234*z14*z34) - 
   (7*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s14*s23*s234*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(4*s12*s124*s34*z14*z34) - 
   (CF*(-CA + 2*CF)*s1234*s13*z3*z4)/(s134^2*s34*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3*z4)/
    (s124*s134*s34*z14*z34) + (7*CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s12*s134*s34*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3*z4)/(s124*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(4*s124*s14*s34*z14*z34) - 
   (CF*(-CA + 2*CF)*s1234*s13^2*z3*z4)/(2*s134^2*s14*s34*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z3*z4)/
    (s124*s134*s14*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/
    (4*s12*s134*s14*s34*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (16*s12*s124*s34*z14*z34) - (CF*(-CA + 2*CF)*s1234*s14*z3*z4)/
    (2*s134^2*s34*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (16*s12*s134*s34*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3*z4)/(s124*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s134*s23*s34*z14*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(4*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(4*s134*s14*s23*s34*z14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s12*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z3*z4)/(8*s12*s134*s14*s34*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(4*s14*s234*s34*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z3*z4)/
    (s124*s234*s34*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z3*z4)/(s134*s234*s34*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z3*z4)/
    (s124*s14*s234*s34*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z3*z4)/
    (s134*s14*s234*s34*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s12*s124*s34*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s134*s34*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3*z4)/(s124*s134*s34*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(4*s12*s124*s14*s34*z14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s134*s14*s34*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3*z4)/
    (s124*s134*s14*s34*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s134*s23*s34*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s134*s14*s23*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z3*z4)/
    (8*s12*s124*s14*s34*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3*z4)/
    (s124*s234*s34*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3*z4)/(s134*s234*s34*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s14*s234*s34*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3*z4)/
    (s124*s14*s234*s34*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3*z4)/
    (s134*s14*s234*s34*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s23*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/
    (4*s14*s23*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (4*s14*s23*s234*s34*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z3*z4)/
    (s124*s14*s234*s34*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (16*s12*s124*s14*s34*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z3*z4)/
    (s124*s14*s234*s34*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (16*s14*s23*s234*s34*z14*z34) - (CF*(-CA + 2*CF)*s1234*s34*z3*z4)/
    (2*s134^2*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*s34*z3*z4)/
    (4*s12*s134*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*s34*z3*z4)/
    (4*s134*s14*s23*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z3*z4)/(s134*s14*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(4*s14*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s12*s124*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z3*z4)/(8*s12*s134*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s124*s14*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s12*s134*s14*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(8*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(4*s12*s124*s14*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(8*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z3*z4)/(8*s12*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3*z4)/(8*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3*z4)/(8*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(8*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(8*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(8*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z3*z4)/(8*s12*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(4*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(8*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(8*s12*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3*z4)/(8*s12*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3*z4)/(8*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3*z4)/(4*s12*s134*s14*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s12*s123*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z3*z4)/
    (s123*s134*z23*z34) - (3*CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s134*s14*z23*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (4*s123*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (4*s12*s123*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (4*s134*s23*z23*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3*z4)/(s123*s134*s23*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3*z4)/
    (s123*s134*s23*z23*z34) - (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (4*s134*s14*s23*z23*z34) - (7*CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s134*s14*s23*z23*z34) - (CF*(-CA + 2*CF)*s1234*z3*z4)/
    (s234^2*z23*z34) + (7*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s12*s234*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3*z4)/
    (s123*s234*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     z3*z4)/(s134*s234*z23*z34) + (7*CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s14*s234*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3*z4)/(s123*s23*s234*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s23*s234*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3*z4)/
    (s123*s23*s234*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3*z4)/(s134*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s14*s23*s234*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s14*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s23*s234*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3*z4)/
    (s134*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (4*s134*s14*s23*z23*z34) - (CF*(-CA + 2*CF)*s1234*s24*z3*z4)/
    (s23*s234^2*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (2*s12*s23*s234*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3*z4)/(s134*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(2*s14*s23*s234*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s123*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s12*s123*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s34*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3*z4)/
    (s123*s134*s34*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s134*s14*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (8*s12*s123*s34*z23*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3*z4)/(s123*s134*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s123*s23*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s12*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s134*s23*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s23*s34*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z3*z4)/
    (s123*s134*s23*s34*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z3*z4)/
    (s123*s134*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/
    (4*s134*s14*s23*s34*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/
    (16*s134*s14*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (8*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z3*z4)/
    (8*s12*s123*s23*s34*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z3*z4)/
    (s123*s134*s23*s34*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z3*z4)/
    (s123*s134*s23*s34*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (16*s12*s123*s34*z23*z34) - (CF*(-CA + 2*CF)*s1234*s23*z3*z4)/
    (2*s234^2*s34*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3*z4)/(s123*s234*s34*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s234*s34*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3*z4)/
    (s123*s234*s34*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3*z4)/(s134*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s14*s234*s34*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s14*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s234*s34*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3*z4)/
    (s134*s234*s34*z23*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (16*s12*s234*s34*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z3*z4)/(s123*s234*s34*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(4*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(4*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(4*s12*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(4*s134*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(4*s134*s14*s23*s34*z23*z34) - 
   (CF*(-CA + 2*CF)*s1234*s24*z3*z4)/(s234^2*s34*z23*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s234*s34*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3*z4)/
    (s123*s234*s34*z23*z34) + (7*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s14*s234*s34*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s24*z3*z4)/(s123*s23*s234*s34*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s23*s234*s34*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3*z4)/
    (s123*s23*s234*s34*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3*z4)/
    (s134*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/
    (4*s14*s23*s234*s34*z23*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s14*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z3*z4)/
    (8*s12*s23*s234*s34*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z3*z4)/
    (s134*s23*s234*s34*z23*z34) - (CF*(-CA + 2*CF)*s1234*s24^2*z3*z4)/
    (2*s23*s234^2*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (4*s12*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (4*s14*s23*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s34*z3*z4)/
    (4*s134*s14*s23*z23*z34) - (CF*(-CA + 2*CF)*s1234*s34*z3*z4)/
    (2*s23*s234^2*z23*z34) + (CA*(CA - 2*CF)*s1234*s34*z3*z4)/
    (4*s12*s23*s234*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z3*z4)/(s134*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(4*s14*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s134*s14*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(8*s134*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(8*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s134*s14*s23*z14*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z3*z4)/(8*s14*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(8*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s134*s14*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(4*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s134*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s134*s14*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(8*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z1*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(8*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(4*s14*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3*z4)/(8*s134*s14*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3*z4)/(8*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(4*s12*s123*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(4*s123*s23*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(4*s12*s123*s23*z12*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z3*z4)/(8*s12*s234*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s12*s23*s234*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/(8*s12*s23*s234*z12*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s12*s23*s234*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(8*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(4*s12*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/(8*s12*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3*z4)/(8*s12*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/(8*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3*z4)/(8*s12*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3*z4)/(8*s12*s123*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s12*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/(8*s12*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3*z4)/(8*s12*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s12*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/(8*s12*s123*s23*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(4*s12*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/(8*s12*s23*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3*z4)/(8*s12*s23*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3*z4)/(8*s12*s23*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3*z4)/(4*s12*s23*s234*z12*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z3*z4)/(8*s134*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(8*s134*s14*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(4*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(8*s14*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(4*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(8*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(4*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(8*s134*s23*s34*z14*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s134*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z2*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/(4*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(4*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(8*s14*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s134*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s14*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(4*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z2*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3*z4)/(8*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3*z4)/(8*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s12*s124*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s124*s14*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s134*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(32*s134*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s14*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(32*s14*s234*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(4*s134*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(16*s134*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(32*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4^2)/(32*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(16*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(32*s14*s234*s34*z14*z23) - 
   (5*CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s14*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4^2)/(32*s14*s23*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(8*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(32*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(32*s14*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(32*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z4^2)/(16*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z4^2)/(16*s12*s124*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(16*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(4*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(16*s12*s134*s14*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(16*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(4*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(16*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s12*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s12*s23*s234*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s12*s134*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(32*s12*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(32*s12*s134*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23^2*z4^2)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z4^2)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23^2*z4^2)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z4^2)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z4^2)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z4^2)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(32*s12*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z4^2)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4^2)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z4^2)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4^2)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s134*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s134*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s134*s14*s23*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s14*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s12*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s134*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(16*s12*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s12*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z4^2)/(16*s12*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s14*s23*s234*s34*z14*z34)) + 
 k2k1*((7*CA*(CA - 2*CF)*s1234)/(4*s12*s123) - (5*CA*(CA - 2*CF)*D*s1234)/
    (8*s12*s123) + (CA*(CA - 2*CF)*D^2*s1234)/(16*s12*s123) + 
   (7*CA*(CA - 2*CF)*s1234)/(4*s12*s124) - (5*CA*(CA - 2*CF)*D*s1234)/
    (8*s12*s124) + (CA*(CA - 2*CF)*D^2*s1234)/(16*s12*s124) + 
   (CF*(-CA + 2*CF)*s1234)/s134^2 - (3*CF*(-CA + 2*CF)*D*s1234)/(4*s134^2) + 
   (CF*(-CA + 2*CF)*D^2*s1234)/(8*s134^2) + (5*CA*(CA - 2*CF)*s1234)/
    (4*s12*s134) - (7*CA*(CA - 2*CF)*D*s1234)/(16*s12*s134) + 
   (CA*(CA - 2*CF)*D^2*s1234)/(32*s12*s134) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234)/(s123*s134) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234)/(s123*s134) + 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s12*s123*s134) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s12*s123*s134) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s12*s123*s134) + (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s12*s124*s134) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s12*s124*s134) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s12*s124*s134) - (CA*(CA - 2*CF)*s1234)/(2*s124*s14) + 
   (5*CA*(CA - 2*CF)*D*s1234)/(16*s124*s14) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s124*s14) - (2*CF*(-CA + 2*CF)*s1234*s13)/(s134^2*s14) + 
   (5*CF*(-CA + 2*CF)*D*s1234*s13)/(4*s134^2*s14) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s13)/(8*s134^2*s14) - 
   (3*CA*(CA - 2*CF)*s1234)/(4*s134*s14) + (3*CA*(CA - 2*CF)*D*s1234)/
    (8*s134*s14) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s134*s14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s124*s134*s14) - 
   (5*CA*(CA - 2*CF)*s1234*s13)/(8*s12*s134*s14) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s134*s14) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s124*s134*s14) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s124*s134*s14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s12*s123*s124) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     D*s1234*s14)/(s12*s123*s124) - (CA*(CA - 2*CF)*s1234)/(2*s123*s23) + 
   (5*CA*(CA - 2*CF)*D*s1234)/(16*s123*s23) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s123*s23) - (CA*(CA - 2*CF)*s1234*s13)/(4*s12*s123*s23) + 
   (CA*(CA - 2*CF)*s1234*s13)/(2*s12*s124*s23) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (4*s12*s124*s23) + (CA*(CA - 2*CF)*D^2*s1234*s13)/(32*s12*s124*s23) - 
   (CA*(CA - 2*CF)*s1234)/(4*s134*s23) + (3*CA*(CA - 2*CF)*D*s1234)/
    (16*s134*s23) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s134*s23) - 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s123*s134*s23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/(s123*s134*s23) - 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s134*s23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/(s123*s134*s23) - 
   (CA*(CA - 2*CF)*s12*s1234)/(4*s134*s14*s23) - (5*CA*(CA - 2*CF)*s1234*s13)/
    (8*s134*s14*s23) + (CA*(CA - 2*CF)*D*s1234*s13)/(16*s134*s14*s23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s12*s123*s124) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23)/(s12*s123*s124) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s12*s123*s134) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/
    (s12*s123*s134) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s23)/(2*s12*s123*s134) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23)/(s12*s124*s134) + (CA*(CA - 2*CF)*s1234*s23)/
    (4*s12*s134*s14) - (CA*(CA - 2*CF)*D*s1234*s23)/(16*s12*s134*s14) + 
   (CF*(-CA + 2*CF)*s1234)/s234^2 - (3*CF*(-CA + 2*CF)*D*s1234)/(4*s234^2) + 
   (CF*(-CA + 2*CF)*D^2*s1234)/(8*s234^2) + (5*CA*(CA - 2*CF)*s1234)/
    (4*s12*s234) - (7*CA*(CA - 2*CF)*D*s1234)/(16*s12*s234) + 
   (CA*(CA - 2*CF)*D^2*s1234)/(32*s12*s234) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234)/(s124*s234) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234)/(s124*s234) + 
   (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/(s134*s234) - 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/(s134*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234)/(s134*s234) - 
   (CA*(CA - 2*CF)*s1234)/(4*s14*s234) + (3*CA*(CA - 2*CF)*D*s1234)/
    (16*s14*s234) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s14*s234) - 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s124*s14*s234) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/(s124*s14*s234) - 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s124*s14*s234) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s124*s14*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s124*s14*s234) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234)/(s134*s14*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s12*s1234)/(s134*s14*s234) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s134*s14*s234) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s134*s14*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s134*s14*s234) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s12*s123*s234) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s12*s124*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s12*s124*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s12*s124*s234) - (3*CA*(CA - 2*CF)*s1234)/(4*s23*s234) + 
   (3*CA*(CA - 2*CF)*D*s1234)/(8*s23*s234) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s23*s234) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s123*s23*s234) - (CA*(CA - 2*CF)*s1234*s13)/(2*s12*s23*s234) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(4*s12*s23*s234) - 
   (CA*(CA - 2*CF)*D^2*s1234*s13)/(32*s12*s23*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s123*s23*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/(s123*s23*s234) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s134*s23*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/(s134*s23*s234) - 
   (CA*(CA - 2*CF)*s12*s1234)/(4*s14*s23*s234) - (CA*(CA - 2*CF)*s1234*s13)/
    (4*s14*s23*s234) + (CA*(CA - 2*CF)*D*s1234*s13)/(16*s14*s23*s234) + 
   (CA*(CA - 2*CF)*s1234*s14)/(4*s12*s23*s234) - (CA*(CA - 2*CF)*D*s1234*s14)/
    (16*s12*s23*s234) + (CA*(CA - 2*CF)*s1234*s24)/(2*s12*s123*s14) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(4*s12*s123*s14) + 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(32*s12*s123*s14) - 
   (CA*(CA - 2*CF)*s1234*s24)/(4*s12*s124*s14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s123*s124*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s123*s124*s14) - (CA*(CA - 2*CF)*s1234*s24)/
    (2*s12*s134*s14) + (CA*(CA - 2*CF)*D*s1234*s24)/(4*s12*s134*s14) - 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(32*s12*s134*s14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s124*s134*s14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/(s124*s134*s14) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s123*s134*s14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s123*s134*s14) + 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s124*s134*s14) - (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24)/(s12*s124*s134*s14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24)/
    (2*s12*s124*s134*s14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s124*s23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s124*s23) - (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24)/(s123*s134*s23) + (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24)/(s123*s134*s23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s24)/(2*s123*s134*s23) + (7*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s123*s14*s23) - (5*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s12*s123*s14*s23) + (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s12*s123*s14*s23) + (7*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s124*s14*s23) - (5*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s12*s124*s14*s23) + (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s12*s124*s14*s23) - (CA*(CA - 2*CF)*s1234*s24)/(4*s134*s14*s23) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s134*s14*s23) - 
   (2*CF*(-CA + 2*CF)*s1234*s24)/(s23*s234^2) + 
   (5*CF*(-CA + 2*CF)*D*s1234*s24)/(4*s23*s234^2) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s24)/(8*s23*s234^2) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s12*s123*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s12*s123*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s12*s123*s234) + (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s12*s124*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s12*s124*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s12*s124*s234) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s124*s14*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24)/(s124*s14*s234) - (5*CA*(CA - 2*CF)*s1234*s24)/
    (8*s12*s23*s234) + (CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s23*s234) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s23*s234) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s123*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s123*s23*s234) + (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s23*s234) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s24)/(2*s12*s123*s23*s234) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s124*s23*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s124*s23*s234) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s134*s23*s234) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s134*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s134*s23*s234) - (5*CA*(CA - 2*CF)*s1234*s24)/(8*s14*s23*s234) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s14*s23*s234) + 
   (CA*(CA - 2*CF)*s1234*s13)/(4*s12*s124*s34) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (16*s12*s124*s34) - (CF*(-CA + 2*CF)*s1234*s13)/(s134^2*s34) + 
   (CF*(-CA + 2*CF)*D*s1234*s13)/(2*s134^2*s34) + 
   (CA*(CA - 2*CF)*D*s1234)/(16*s134*s34) + (3*CA*(CA - 2*CF)*s1234*s13)/
    (8*s12*s134*s34) - (3*CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s134*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s124*s134*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/(s124*s134*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s14)/(16*s12*s123*s34) - 
   (CA*(CA - 2*CF)*s1234*s13)/(8*s134*s23*s34) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (16*s134*s23*s34) - (CA*(CA - 2*CF)*s1234*s13*s14)/(8*s12*s123*s23*s34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14)/
    (s123*s134*s23*s34) - (CA*(CA - 2*CF)*D*s1234*s23)/(16*s12*s124*s34) + 
   (3*CA*(CA - 2*CF)*s1234*s23)/(4*s12*s134*s34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s23)/(8*s12*s134*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s23)/(32*s12*s134*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s124*s134*s34) + 
   (CA*(CA - 2*CF)*D*s1234)/(16*s234*s34) + (3*CA*(CA - 2*CF)*s1234*s14)/
    (4*s12*s234*s34) - (3*CA*(CA - 2*CF)*D*s1234*s14)/(8*s12*s234*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s14)/(32*s12*s234*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s234*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s134*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14)/(s134*s234*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s134*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23)/(s134*s234*s34) + 
   (CA*(CA - 2*CF)*s1234*s24)/(4*s12*s123*s34) - (CA*(CA - 2*CF)*D*s1234*s24)/
    (16*s12*s123*s34) + (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s124*s14*s34) - (CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s12*s124*s14*s34) - (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s134*s14*s34) + (3*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s12*s134*s14*s34) - (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s12*s134*s14*s34) + (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s123*s23*s34) - (CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s12*s123*s23*s34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s123*s134*s23*s34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s123*s134*s23*s34) + (CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s134*s14*s23*s34) - (CA*(CA - 2*CF)*s1234*s23*s24)/
    (8*s12*s124*s14*s34) - (CF*(-CA + 2*CF)*s1234*s24)/(s234^2*s34) + 
   (CF*(-CA + 2*CF)*D*s1234*s24)/(2*s234^2*s34) + 
   (3*CA*(CA - 2*CF)*s1234*s24)/(8*s12*s234*s34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s234*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/(s123*s234*s34) - 
   (CA*(CA - 2*CF)*s1234*s24)/(8*s14*s234*s34) - (CA*(CA - 2*CF)*D*s1234*s24)/
    (16*s14*s234*s34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s124*s14*s234*s34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s124*s14*s234*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s134*s14*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s134*s14*s234*s34) - (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s12*s23*s234*s34) + (3*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s12*s23*s234*s34) - (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s12*s23*s234*s34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s134*s23*s234*s34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s134*s23*s234*s34) + (CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s14*s23*s234*s34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*s24)/(s124*s14*s234*s34) + 
   (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s12*s123*s124) - 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s12*s123*s124) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(s12*s123*s124) + (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34)/(s12*s123*s134) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s12*s123*s134) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s12*s123*s134) + (CA*(CA - 2*CF)*s1234*s34)/(4*s12*s123*s14) - 
   (CA*(CA - 2*CF)*D*s1234*s34)/(16*s12*s123*s14) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s124*s14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s123*s124*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s123*s124*s14) - (CF*(-CA + 2*CF)*s1234*s34)/(s134^2*s14) + 
   (3*CF*(-CA + 2*CF)*D*s1234*s34)/(4*s134^2*s14) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s34)/(8*s134^2*s14) - 
   (16*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s134*s14) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s123*s134*s14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s123*s134*s14) - (26*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34)/(s124*s134*s14) + 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(s124*s134*s14) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34)/(s12*s123*s134*s14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34)/
    (s12*s123*s134*s14) + (CA*(CA - 2*CF)*s1234*s34)/(4*s12*s124*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s34)/(16*s12*s124*s23) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s124*s23) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s123*s124*s23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s123*s124*s23) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34)/(s12*s123*s124*s23) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34)/
    (s12*s123*s124*s23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s34)/(2*s12*s123*s124*s23) - 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s134*s23) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s123*s134*s23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s123*s134*s23) - (3*CA*(CA - 2*CF)*s1234*s34)/(2*s123*s14*s23) + 
   (7*CA*(CA - 2*CF)*D*s1234*s34)/(16*s123*s14*s23) - 
   (CA*(CA - 2*CF)*D^2*s1234*s34)/(32*s123*s14*s23) - 
   (3*CA*(CA - 2*CF)*s1234*s34)/(2*s124*s14*s23) + 
   (7*CA*(CA - 2*CF)*D*s1234*s34)/(16*s124*s14*s23) - 
   (CA*(CA - 2*CF)*D^2*s1234*s34)/(32*s124*s14*s23) - 
   (5*CA*(CA - 2*CF)*s1234*s13*s34)/(8*s12*s123*s14*s23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34)/(8*s12*s123*s14*s23) - 
   (CA*(CA - 2*CF)*s1234*s34)/(s134*s14*s23) + (CA*(CA - 2*CF)*D*s1234*s34)/
    (4*s134*s14*s23) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*
     s34)/(s12*s123*s134*s14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s34)/(s12*s123*s134*s14) - (CF*(-CA + 2*CF)*s1234*s34)/
    (s23*s234^2) + (3*CF*(-CA + 2*CF)*D*s1234*s34)/(4*s23*s234^2) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s34)/(8*s23*s234^2) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s12*s124*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s12*s124*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s12*s124*s234) - (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34)/(s124*s14*s234) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s124*s14*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s124*s14*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34)/(s134*s14*s234) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s134*s14*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s134*s14*s234) - (26*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34)/(s123*s23*s234) + 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s123*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(s123*s23*s234) - (16*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34)/(s124*s23*s234) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s124*s23*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s124*s23*s234) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34)/(s12*s123*s23*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34)/
    (s12*s123*s23*s234) - (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s34)/(s12*s124*s23*s234) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34)/
    (s12*s124*s23*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s34)/(2*s12*s124*s23*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s134*s23*s234) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s134*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s134*s23*s234) - (CA*(CA - 2*CF)*s1234*s34)/(s14*s23*s234) + 
   (CA*(CA - 2*CF)*D*s1234*s34)/(4*s14*s23*s234) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s34)/
    (s12*s124*s23*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s34)/(s12*s124*s23*s234) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34)/
    (s12*s123*s124*s14) + (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24*s34)/(s12*s123*s124*s14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s24*s34)/
    (2*s12*s123*s124*s14) - (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34)/(s12*s123*s134*s14) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34)/
    (s12*s123*s134*s14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s24*s34)/(2*s12*s123*s134*s14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34)/
    (s12*s124*s134*s14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*s34)/(s12*s124*s134*s14) - (5*CA*(CA - 2*CF)*s1234*s24*s34)/
    (8*s12*s124*s14*s23) + (CA*(CA - 2*CF)*D*s1234*s24*s34)/
    (8*s12*s124*s14*s23) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*s34)/(s12*s124*s23*s234) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34)/
    (s12*s124*s23*s234) - (5*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s123*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s123*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s124*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s124*z12) - 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s134*z12) + (3*CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s12*s134*z12) + (CA*(CA - 2*CF)*s1234*z1)/(16*s124*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s124*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s14*z12) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s134*s14*z12) - (CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s134*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s134*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s123*s23*z12) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s123*s23*z12) + (3*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s123*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s12*s123*s23*z12) - (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s134*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (16*s12*s134*s14*z12) - (3*CA*(CA - 2*CF)*s1234*z1)/(8*s12*s234*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s234*z12) + 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s23*s234*z12) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s23*s234*z12) + (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s23*s234*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s23*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(16*s12*s23*s234*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s124*s14*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s124*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(4*s12*s134*s14*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s134*s14*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s23*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(8*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1)/(8*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(4*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(16*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(8*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(4*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1)/(16*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(4*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(4*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1)/(4*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z1)/(16*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s23*s234*s34*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s12*s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s12*s124*s134*z12) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s123*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s34*z1)/(2*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s124*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z1)/
    (s12*s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34*z1)/(2*s12*s123*s134*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(16*s12*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s12*s124*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(16*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(16*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1)/(16*s12*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/(32*s12*s123*s14*s23*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z1)/
    (s12*s123*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s34*z1)/(2*s12*s123*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1)/
    (s12*s124*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24*s34*z1)/(2*s12*s124*s134*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1)/(16*s12*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/(32*s12*s124*s14*s23*z12) - 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s124*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s124*z14) - 
   (CF*(-CA + 2*CF)*s1234*z1)/(2*s134^2*z14) + (5*CA*(CA - 2*CF)*s1234*z1)/
    (16*s12*s134*z14) - (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s134*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s124*s134*z14) - 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s124*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s124*s14*z14) - 
   (CF*(-CA + 2*CF)*s1234*s13*z1)/(2*s134^2*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s134*s14*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z1)/(s124*s134*s14*z14) + (5*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s12*s134*s14*z14) + (5*CA*(CA - 2*CF)*s1234*z1)/(16*s134*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s23*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(4*s134*s14*s23*z14) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s14*s234*z14) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s14*s234*z14) + (3*CA*(CA - 2*CF)*s1234*z1)/(16*s23*s234*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s23*s234*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z1)/(16*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s14*s23*s234*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s14*s23*s234*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s124*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s124*s14*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s124*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s134*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s23*s234*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s14*s234*s34*z14) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s12*s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s34*z1)/(2*s12*s123*s124*z14) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s12*s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s12*s123*s134*z14) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s123*s124*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s123*s124*s14*z14) - (CF*(-CA + 2*CF)*s1234*s34*z1)/
    (2*s134^2*s14*z14) + (5*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s134*s14*z14) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z1)/(s12*s123*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z1)/
    (2*s12*s123*s134*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s123*s23*z14) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s124*s23*z14) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (4*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s123*s14*s23*z14) + (7*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s124*s14*s23*z14) - (3*CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s124*s14*s23*z14) + (5*CA*(CA - 2*CF)*s1234*s13*s34*z1)/
    (16*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/
    (16*s12*s123*s14*s23*z14) + (5*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s134*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s134*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s14*s23*s234*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s14*s23*s234*z14) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1)/(s12*s123*s124*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (2*s12*s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (4*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (32*s12*s123*s14*s23*z14) + (5*CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (16*s12*s124*s14*s23*z14) - (3*CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (32*s12*s124*s14*s23*z14) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34^2*z1)/(s12*s123*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34^2*z1)/
    (2*s12*s123*s134*s14*z14) + (5*CA*(CA - 2*CF)*s1234*s34^2*z1)/
    (16*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34^2*z1)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s12*s124*z12*z14) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s12*s134*z12*z14) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s124*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s12*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s34*z1^2)/
    (16*s12*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/
    (16*s12*s124*s14*s23*z12*z14) - (3*CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s123*z12) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s123*z12) - 
   (5*CA*(CA - 2*CF)*s1234*z2)/(16*s12*s124*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s124*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z2)/(8*s12*s134*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s134*z12) + 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s124*s14*z12) + (CA*(CA - 2*CF)*s1234*z2)/(16*s134*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s14*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s123*s23*z12) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s123*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(16*s12*s134*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s12*s234*z12) + (3*CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s12*s234*z12) - (CA*(CA - 2*CF)*s1234*z2)/(16*s23*s234*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s23*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s23*s234*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s23*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s23*s234*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s23*s234*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z2)/(16*s12*s124*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(32*s12*s124*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(8*s12*s134*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(32*s12*s134*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(16*s12*s23*s234*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s23*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(4*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(16*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2)/(4*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/(16*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(8*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(4*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(4*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(4*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z2)/(8*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(4*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s123*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s123*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s124*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s12*s124*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(16*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(16*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(32*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2)/(16*s12*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/(32*s12*s123*s14*s23*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s12*s123*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s12*s123*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s123*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z2)/
    (s12*s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34*z2)/(2*s12*s123*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z2)/
    (s12*s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s34*z2)/(2*s12*s124*s23*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z2)/(16*s12*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/(32*s12*s124*s14*s23*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z2)/
    (s12*s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24*s34*z2)/(2*s12*s124*s23*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s12*s124*z14) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s12*s124*z14) - (CA*(CA - 2*CF)*s1234*z2)/(16*s12*s134*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s134*z14) + 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s124*s14*z14) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s134*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s134*s23*z14) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s134*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s14*s23*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     z2)/(s124*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     z2)/(s134*s234*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*z2)/(s124*s14*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s134*s14*s234*z14) - (5*CA*(CA - 2*CF)*s1234*z2)/(16*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s23*s234*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z2)/(16*s14*s23*s234*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(16*s12*s124*s14*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(32*s12*s124*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s24*z2)/
    (s124*s14*s234*z14) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s14*s23*s234*z14) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s134*s23*s34*z14) - (CA*(CA - 2*CF)*s1234*z2)/(8*s234*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s12*s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s12*s123*s124*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s12*s123*s134*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z2)/
    (s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z2)/(2*s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s134*s14*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z2)/(s12*s123*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z2)/
    (2*s12*s123*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s123*s23*z14) - (7*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s124*s23*z14) + (3*CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s124*s23*z14) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s124*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/
    (16*s12*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s134*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s134*s14*s23*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z2)/(s134*s14*s234*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s14*s23*s234*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z2)/(s12*s123*s124*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z2)/
    (2*s12*s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z2)/
    (8*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/
    (32*s12*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s24*s34*z2)/
    (16*s12*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/
    (32*s12*s124*s14*s23*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34^2*z2)/(s12*s123*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34^2*z2)/
    (2*s12*s123*s134*s14*z14) - (3*CA*(CA - 2*CF)*s1234*s34^2*z2)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34^2*z2)/
    (16*s12*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s124*z12*z14) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s134*z12*z14) + (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s14*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s134*s14*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s123*s14*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (16*s12*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (16*s12*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z1)/
    (16*s12*s123*z23) - (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s123*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s134*z23) - 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s134*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s123*s23*z23) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s123*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s23*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*z1)/
    (s123*s134*s23*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*z1)/(s123*s134*s23*z23) - (CA*(CA - 2*CF)*s12*s1234*z1)/
    (16*s134*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*z1)/(16*s12*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s134*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s14*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s14*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s123*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s134*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*z1)/(8*s134*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s14*s234*s34*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s12*s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s12*s123*s124*z23) - (7*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s123*s14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s123*s14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s124*s14*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s123*s124*s23*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z1)/(s12*s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z1)/
    (2*s12*s123*s124*s23*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s124*s14*s23*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s34*z1)/
    (16*s12*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/
    (32*s12*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z1)/
    (8*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/
    (32*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s134*s14*s23*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s12*s124*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s12*s124*s234*z23) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s14*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (16*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (16*s12*s124*s14*s23*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1)/(s12*s124*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (2*s12*s124*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s34^2*z1)/
    (16*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s34^2*z1)/
    (16*s12*s124*s14*s23*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34^2*z1)/(s12*s124*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34^2*z1)/
    (2*s12*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s134*s14*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1^2)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (4*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (16*s12*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (32*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s34*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34^2*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34^2*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34^2*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34^2*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) - (5*CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s123*z23) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s123*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z2)/(16*s134*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s14*z23) - 
   (5*CA*(CA - 2*CF)*s1234*z2)/(16*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s123*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s134*s23*z23) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s134*s23*z23) + (CA*(CA - 2*CF)*s12*s1234*z2)/(16*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s134*s14*s23*z23) - 
   (CF*(-CA + 2*CF)*s1234*z2)/(2*s234^2*z23) + (5*CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s234*z23) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s234*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s234*z23) + 
   (5*CA*(CA - 2*CF)*s1234*z2)/(16*s14*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s14*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (16*s23*s234*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z2)/(s123*s23*s234*z23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s23*s234*z23) + (CA*(CA - 2*CF)*s12*s1234*z2)/
    (4*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s14*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s134*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s134*s14*s23*z23) - (CF*(-CA + 2*CF)*s1234*s24*z2)/
    (2*s23*s234^2*z23) + (5*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s23*s234*z23) + (5*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s134*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2)/
    (8*s14*s23*s234*s34*z23) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s12*s123*s124*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (2*s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s123*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s123*s14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s124*s14*z23) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s123*s124*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (2*s123*s124*s23*z23) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z2)/(s12*s123*s124*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s34*z2)/
    (2*s12*s123*s124*s23*z23) + (7*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s123*s14*s23*z23) - (3*CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (4*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s124*s14*s23*z23) + (5*CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (16*s12*s123*s14*s23*z23) - (3*CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/
    (32*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2)/
    (4*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/
    (32*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (8*s134*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s134*s14*s23*z23) - (CF*(-CA + 2*CF)*s1234*s34*z2)/
    (2*s23*s234^2*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z2)/(s12*s124*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (2*s12*s124*s234*z23) + (5*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s23*s234*z23) + (5*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s14*s23*s234*z23) + (5*CA*(CA - 2*CF)*s1234*s24*s34*z2)/
    (16*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z2)/
    (16*s12*s124*s14*s23*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z2)/(s12*s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z2)/
    (2*s12*s124*s23*s234*z23) + (5*CA*(CA - 2*CF)*s1234*s34^2*z2)/
    (16*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s34^2*z2)/
    (16*s12*s124*s14*s23*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34^2*z2)/(s12*s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34^2*z2)/
    (2*s12*s124*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s123*z12*z23) + (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s123*s23*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s23*z12*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s234*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s123*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (16*s12*s123*s14*s23*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (16*s12*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s134*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s14*s234*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s12*s123*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s12*s124*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s12*s124*s14*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s12*s124*s23*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s123*s14*s23*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s124*s14*s23*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (16*s14*s23*s234*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34^2*z1*z2)/
    (16*s12*s123*s14*s23*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34^2*z1*z2)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s12*s123*z12*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s123*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s123*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s12*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/
    (16*s12*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s12*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z2^2)/
    (16*s12*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2^2)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (4*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (16*s12*s123*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (8*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (32*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z2^2)/
    (32*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s34*z2^2)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z2^2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z2^2)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z2^2)/
    (32*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*s34*z2^2)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z2^2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34^2*z2^2)/
    (8*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34^2*z2^2)/
    (32*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34^2*z2^2)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34^2*z2^2)/
    (32*s12*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z3)/
    (16*s12*s123*z12) + (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s123*z12) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s134*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(2*s123*s134*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s124*s134*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/
    (2*s124*s134*z12) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z3)/(s12*s123*s134*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z3)/(2*s12*s123*s134*z12) - (CA*(CA - 2*CF)*s1234*z3)/
    (8*s134*s14*z12) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*
     z3)/(s12*s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*z3)/(2*s12*s124*s134*z12) - (CA*(CA - 2*CF)*s1234*z3)/
    (16*s123*s23*z12) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z12) + 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s23*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s12*s123*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s12*s123*s23*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s124*s23*z12) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z3)/
    (s12*s123*s134*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z3)/(2*s12*s123*s134*z12) + (CA*(CA - 2*CF)*s1234*z3)/
    (4*s23*s234*z12) - (CA*(CA - 2*CF)*D*s1234*z3)/(16*s23*s234*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s12*s124*s134*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s12*s124*s134*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s14*z12) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s124*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s124*s23*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s14*s23*z12) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s124*s14*s23*z12) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s123*s14*s23*z12) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s12*s123*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s12*s123*s234*z12) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s123*s23*s234*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s124*s23*s234*z12) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s12*s123*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z3)/
    (2*s12*s123*s23*s234*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z3)/(s12*s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z3)/
    (2*s12*s124*s23*s234*z12) + (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s124*s14*s23*z12) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z3)/(s12*s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z3)/
    (2*s12*s124*s23*s234*z12) - (5*CA*(CA - 2*CF)*s1234*z3)/
    (16*s124*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s34*z12) - 
   (9*CA*(CA - 2*CF)*s1234*z3)/(16*s134*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s12*s134*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(4*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s134*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s123*s23*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z3)/(16*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/(32*s12*s123*s23*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s23*z3)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z3)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z3)/(8*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/(32*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14^2*z3)/(16*s12*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s12*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z3)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s234*s34*z12) + 
   (9*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(4*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s12*s23*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z3)/(8*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/(16*s12*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(8*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s12*s134*s14*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(16*s12*s23*s234*s34*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s124*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/
    (2*s123*s124*z14) + (CF*(-CA + 2*CF)*s1234*z3)/(2*s134^2*z14) - 
   (5*CA*(CA - 2*CF)*s1234*z3)/(16*s12*s134*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s134*z14) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z3)/(2*s12*s123*s134*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s12*s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(2*s12*s123*s124*z14) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(2*s12*s123*s134*z14) - (CA*(CA - 2*CF)*s1234*z3)/
    (4*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z14) - 
   (7*CA*(CA - 2*CF)*s1234*z3)/(16*s124*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s23*z14) - 
   (5*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s12*s123*s23*z14) - 
   (5*CA*(CA - 2*CF)*s1234*z3)/(16*s134*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*z3)/(8*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s23*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*
     z3)/(s12*s123*s124*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s12*s123*s134*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s12*s123*s134*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s124*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s134*s14*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s12*s123*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z3)/
    (2*s12*s123*s134*s14*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s124*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s124*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s134*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s14*s23*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s134*s14*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s23*s234*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z3)/(s12*s123*s124*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z3)/
    (2*s12*s123*s124*s14*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (8*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s124*s14*s23*z14) + (5*CA*(CA - 2*CF)*s1234*z3)/
    (16*s124*s34*z14) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s34*z14) + 
   (CF*(-CA + 2*CF)*s1234*s13*z3)/(2*s134^2*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s134*s34*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s124*s134*s34*z14) - (5*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s12*s134*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s12*s134*s34*z14) + (5*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s124*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s124*s34*z14) + (CF*(-CA + 2*CF)*s1234*s14*z3)/
    (2*s134^2*s34*z14) - (5*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s134*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s134*s34*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s124*s134*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*z3)/
    (4*s134*s23*s34*z14) - (5*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s134*s23*s34*z14) - (5*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s134*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s134*s23*s34*z14) + (CA*(CA - 2*CF)*s1234*z3)/(4*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(16*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(16*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(8*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s23*s234*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(4*s12*s124*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s134*s34*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s124*s134*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s124*s14*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s134*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s134*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s134*s23*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s23*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s134*s14*s23*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s124*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s134*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z3)/(s124*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s134*s14*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (4*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (16*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s124*s14*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z3)/(s124*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s14*s23*s234*s34*z14) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z3)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z3)/(2*s12*s123*s134*z14) - (5*CA*(CA - 2*CF)*s1234*s34*z3)/
    (16*s12*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z3)/
    (16*s12*s123*s23*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z3)/(s12*s123*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z3)/
    (2*s12*s123*s134*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s24*s34*z3)/
    (16*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z3)/
    (16*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s123*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s134*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s14*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s124*s34*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s134*s34*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s124*s14*s34*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s134*s14*s34*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*z3)/
    (16*s12*s123*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s123*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s12*s124*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s124*z23) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s134*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(s123*s134*z23) + 
   (CA*(CA - 2*CF)*s1234*z3)/(2*s134*s14*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (8*s134*s14*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*
     z3)/(s12*s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*z3)/(2*s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*z3)/
    (16*s123*s23*z23) + (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(8*s124*s23*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s23*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s12*s123*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s12*s123*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(8*s12*s124*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s12*s124*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s23*z23) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s134*s23*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(s123*s134*s23*z23) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s123*s134*s23*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z3)/(s123*s134*s23*z23) + (5*CA*(CA - 2*CF)*s12*s1234*z3)/
    (8*s134*s14*s23*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (8*s134*s14*s23*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (8*s134*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s134*s14*s23*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (2*s123*s124*s23*z23) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z3)/(s12*s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z3)/
    (2*s12*s123*s124*s23*z23) - (CF*(-CA + 2*CF)*s1234*z3)/(s234^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*z3)/(4*s234^2*z23) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(s123*s234*z23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s134*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(s134*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*z3)/(2*s14*s234*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (8*s14*s234*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*
     z3)/(s12*s124*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*z3)/(2*s12*s124*s234*z23) - (3*CA*(CA - 2*CF)*s1234*z3)/
    (16*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z3)/(32*s23*s234*z23) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s123*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(s123*s23*s234*z23) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s123*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z3)/(s123*s23*s234*z23) + (CA*(CA - 2*CF)*s12*s1234*z3)/
    (2*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (8*s14*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (4*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s14*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*z3)/(s134*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s12*s123*s124*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s12*s123*s124*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s12*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s123*s124*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24*z3)/(2*s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s12*s123*s124*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z3)/(2*s12*s123*s124*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s124*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(8*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s12*s124*s14*s23*z23) + 
   (5*CA*(CA - 2*CF)*s1234*s24*z3)/(8*s134*s14*s23*z23) - 
   (5*CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s134*s14*s23*z23) - 
   (CF*(-CA + 2*CF)*s1234*s24*z3)/(s23*s234^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s24*z3)/(4*s23*s234^2*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s12*s124*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s12*s124*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s23*s234*z23) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s134*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (s134*s23*s234*z23) + (9*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s14*s23*s234*z23) - (5*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s23*s234*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z3)/(s12*s124*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z3)/
    (2*s12*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (16*s12*s124*s14*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z3)/(s12*s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z3)/
    (2*s12*s124*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*z3)/
    (16*s134*s34*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s34*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s123*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s123*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s134*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s123*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s14*z3)/
    (16*s12*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/
    (32*s12*s123*s23*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s14*z3)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z3)/
    (s123*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*z3)/(16*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s134*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s14*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s123*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (16*s134*s14*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s14*s23*s234*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (16*s12*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/
    (32*s12*s23*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z3)/(s134*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(8*s134*s14*s23*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s134*s14*s23*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s12*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s12*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3)/(16*s14*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/(32*s14*s23*s234*s34*z23) - 
   (5*CA*(CA - 2*CF)*s1234*s34*z3)/(16*s12*s124*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z3)/(16*s12*s124*s23*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z3)/(8*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z3)/(16*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z3)/(4*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z3)/(16*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z3)/(8*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3)/(2*s134*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z3)/(8*s134*s14*s23*z23) - 
   (CF*(-CA + 2*CF)*s1234*s34*z3)/(s23*s234^2*z23) + 
   (CF*(-CA + 2*CF)*D*s1234*s34*z3)/(4*s23*s234^2*z23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z3)/
    (s134*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z3)/(s134*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s34*z3)/
    (2*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z3)/
    (8*s14*s23*s234*z23) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*s34*z3)/(s12*s124*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s34*z3)/
    (2*s12*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z3)/
    (16*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z3)/
    (16*s12*s124*s14*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z3)/(s12*s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z3)/
    (2*s12*s124*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s12*s123*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s12*s123*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (4*s12*s124*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s12*s124*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s134*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s134*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (4*s14*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s14*s234*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (2*s12*s124*s14*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (8*s12*s124*s14*z14*z23) - (9*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s23*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s14*s23*s234*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s134*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z3)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z3)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34^2*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s12*s123*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s123*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s23*s234*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s123*s14*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (16*s12*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (16*s12*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s23*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2*z3)/
    (8*s12*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z2*z3)/
    (8*s12*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (4*s12*s123*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s12*s123*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s12*s124*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s12*s124*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s123*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s12*s123*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (2*s134*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s134*s23*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (2*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (8*s12*s124*s23*z14*z23) + (5*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (16*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s14*s23*s234*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s123*s23*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s123*s23*z14*z23) - (9*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s124*s23*z14*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s12*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/
    (32*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s12*s123*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z2*z3)/
    (32*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*s34*z2*z3)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z2*z3)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34^2*z2*z3)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z3^2)/
    (8*s12*s123*z14*z23) - (CA*(CA - 2*CF)*s1234*z3^2)/
    (16*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3^2)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z3^2)/
    (16*s134*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z3^2)/
    (32*s134*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z3^2)/
    (8*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z3^2)/
    (32*s23*s234*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (16*s12*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (8*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z3^2)/
    (8*s134*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z3^2)/
    (16*s134*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z3^2)/
    (16*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/
    (32*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z3^2)/
    (16*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/
    (32*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*z3^2)/
    (4*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z3^2)/
    (16*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z3^2)/
    (8*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/
    (32*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z3^2)/
    (8*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/
    (32*s23*s234*s34*z14*z23) - (5*CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (32*s134*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z3^2)/
    (32*s134*s14*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (8*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (32*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z3^2)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z3^2)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/
    (32*s14*s23*s234*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z3^2)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*s34*z3^2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s12*s123*z34) + (CA*(CA - 2*CF)*s1234*z1)/(8*s12*s124*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s124*z34) - 
   (CF*(-CA + 2*CF)*s1234*z1)/(2*s134^2*z34) + (CF*(-CA + 2*CF)*D*s1234*z1)/
    (4*s134^2*z34) + (3*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s134*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s134*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s124*s134*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(2*s124*s134*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s124*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s124*s14*z34) - 
   (CF*(-CA + 2*CF)*s1234*s13*z1)/(2*s134^2*s14*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*z1)/(4*s134^2*s14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s134*s14*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s134*s14*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s124*s134*s14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(2*s124*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s123*s23*z34) - (CA*(CA - 2*CF)*s1234*z1)/(16*s134*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s23*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s134*s23*z34) - (CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s134*s14*s23*z34) - (CA*(CA - 2*CF)*s1234*s14*z1)/
    (16*s12*s123*s23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*z1)/(s123*s134*s23*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (16*s12*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1)/
    (16*s12*s134*s14*z34) - (3*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s234*z34) + 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s14*s234*z34) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s14*s234*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z1)/(s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (2*s124*s14*s234*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1)/(s134*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z1)/
    (s134*s14*s234*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s124*s14*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (8*s12*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s23*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s124*s14*s234*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s134*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (s134*s14*s234*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s123*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s124*s14*z34) - (CF*(-CA + 2*CF)*s1234*s34*z1)/
    (2*s134^2*s14*z34) + (CF*(-CA + 2*CF)*D*s1234*s34*z1)/
    (4*s134^2*s14*z34) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s134*s14*z34) - (3*CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s134*s14*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s124*s134*s14*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s124*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s123*s23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s123*s134*s23*z34) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s134*s14*s23*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s124*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s124*s14*s234*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s134*s14*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (s134*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s123*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s12*s123*z12*z34) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s12*s124*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (32*s12*s124*z12*z34) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s12*s134*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (32*s12*s134*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (8*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (32*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1^2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (8*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (32*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (4*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (8*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (8*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*z2)/(8*s12*s123*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s123*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s124*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2)/(16*s12*s134*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s134*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s124*s134*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s134*s14*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s124*s134*s14*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (16*s12*s123*s23*z34) + (CA*(CA - 2*CF)*s1234*z2)/(16*s134*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s23*z34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s123*s134*s23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s123*s134*s23*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s14*s23*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (16*s12*s123*s23*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2)/(s123*s134*s23*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (2*s123*s134*s23*z34) - (CA*(CA - 2*CF)*s1234*s23*z2)/
    (16*s12*s124*s14*z34) - (CF*(-CA + 2*CF)*s1234*z2)/(2*s234^2*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*z2)/(4*s234^2*z34) + (3*CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s234*z34) - (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s234*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/(2*s123*s234*z34) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s14*s234*z34) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s14*s234*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (8*s12*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (8*s12*s23*s234*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s134*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z2)/
    (s134*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (16*s12*s23*s234*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z2)/(s134*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z2)/
    (s134*s23*s234*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*z2)/(s124*s14*s234*z34) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s12*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s123*s23*z34) - (CF*(-CA + 2*CF)*s1234*s24*z2)/
    (2*s23*s234^2*z34) + (CF*(-CA + 2*CF)*D*s1234*s24*z2)/
    (4*s23*s234^2*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z2)/(s124*s14*s234*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s23*s234*z34) - (3*CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s23*s234*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s123*s23*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z2)/
    (2*s123*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s124*s14*z34) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s134*s14*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z2)/(s124*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s123*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s123*s23*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s123*s134*s23*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (2*s123*s134*s23*z34) + (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s134*s14*s23*z34) - (CF*(-CA + 2*CF)*s1234*s34*z2)/
    (2*s23*s234^2*z34) + (CF*(-CA + 2*CF)*D*s1234*s34*z2)/
    (4*s23*s234^2*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s34*z2)/(s124*s14*s234*z34) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s23*s234*z34) - (3*CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s12*s23*s234*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s123*s23*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (2*s123*s23*s234*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s134*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (s134*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (32*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s123*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s12*s123*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s124*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s12*s124*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s134*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s12*s134*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s12*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s12*s123*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (32*s12*s123*z12*z34) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s12*s124*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (8*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (8*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2^2)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z2^2)/
    (16*s12*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2^2)/
    (32*s12*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/
    (32*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (32*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (8*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/
    (32*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/
    (32*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (4*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z2^2)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*z3)/(16*s12*s124*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s124*z34) + 
   (CF*(-CA + 2*CF)*s1234*z3)/(2*s134^2*z34) - (CF*(-CA + 2*CF)*D*s1234*z3)/
    (4*s134^2*z34) - (3*CA*(CA - 2*CF)*s1234*z3)/(16*s12*s134*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s134*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s124*s134*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z3)/
    (2*s124*s134*z34) + (CA*(CA - 2*CF)*s1234*z3)/(16*s134*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s123*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s123*s23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s134*s23*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     z3)/(s124*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     z3)/(2*s124*s234*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*z3)/(s134*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*z3)/(s134*s234*z34) - (CA*(CA - 2*CF)*s1234*z3)/
    (16*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s23*s234*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s23*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s134*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s124*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s23*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s134*s23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s123*s134*s23*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s14*s23*z34) + (CF*(-CA + 2*CF)*s1234*s24*z3)/
    (2*s23*s234^2*z34) - (CF*(-CA + 2*CF)*D*s1234*s24*z3)/
    (4*s23*s234^2*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*
     z3)/(s124*s14*s234*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s23*s234*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s23*s234*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s123*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s123*s23*s234*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s134*s23*s234*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (s134*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s12*s124*s34*z34) + (CF*(-CA + 2*CF)*s1234*s13*z3)/
    (2*s134^2*s34*z34) - (CF*(-CA + 2*CF)*D*s1234*s13*z3)/
    (4*s134^2*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s12*s134*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s12*s134*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3)/(s124*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z3)/
    (2*s124*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s123*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*z3)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s124*s34*z34) + (CF*(-CA + 2*CF)*s1234*s14*z3)/
    (2*s134^2*s34*z34) - (CF*(-CA + 2*CF)*D*s1234*s14*z3)/
    (4*s134^2*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s134*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s134*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s124*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (2*s124*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s134*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z3)/
    (16*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14*z3)/(s123*s134*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s14^2*z3)/
    (16*s12*s123*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14^2*z3)/(s123*s134*s23*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z3)/(16*s12*s124*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z3)/(16*s12*s124*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z3)/(16*s12*s134*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s14*z3)/(s123*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z3)/
    (s124*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z3)/(2*s124*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z3)/
    (s134*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z3)/(s134*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s134*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s134*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s124*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (16*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (32*s12*s134*s14*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s124*s134*s14*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s12*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(16*s12*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(16*s134*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s134*s23*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3)/
    (s123*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z3)/(2*s123*s134*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3)/(16*s134*s14*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/(32*s134*s14*s23*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z3)/(16*s12*s123*s23*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/(32*s12*s123*s23*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z3)/
    (s123*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s24*z3)/(2*s123*s134*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z3)/(16*s12*s124*s14*s34*z34) + 
   (CF*(-CA + 2*CF)*s1234*s24*z3)/(2*s234^2*s34*z34) - 
   (CF*(-CA + 2*CF)*D*s1234*s24*z3)/(4*s234^2*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s234*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s234*s34*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s123*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s123*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s124*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(2*s124*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3)/
    (s134*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z3)/(s134*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s14*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s23*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (8*s12*s23*s234*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z3)/(s134*s23*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z3)/
    (s134*s23*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (16*s12*s23*s234*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/
    (32*s12*s23*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z3)/(s123*s23*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z3)/
    (s134*s23*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s24*z3)/(s134*s23*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z3)/
    (s124*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (8*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s123*s23*s34*z34) + (CF*(-CA + 2*CF)*s1234*s24^2*z3)/
    (2*s23*s234^2*s34*z34) - (CF*(-CA + 2*CF)*D*s1234*s24^2*z3)/
    (4*s23*s234^2*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24^2*z3)/(s124*s14*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s12*s23*s234*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s12*s23*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z3)/(s123*s23*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z3)/
    (2*s123*s23*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3)/
    (16*s14*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z3)/
    (32*s14*s23*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s123*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s12*s123*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (4*s12*s124*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s12*s124*z12*z34) + (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s134*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s12*s134*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s134*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s12*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s12*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (8*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (32*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s12*s124*s14*z12*z34) + (7*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s12*s134*s14*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s123*s23*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s23*s234*z12*z34) - (5*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (32*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z1*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14^2*z1*z3)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/
    (32*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z3)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z3)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (4*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/
    (4*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z3)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (4*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s12*s134*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (4*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (16*s12*s23*s234*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s12*s123*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s12*s123*z12*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s12*s124*z12*z34) - (5*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s12*s134*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s134*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s12*s123*s23*z12*z34) - (7*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s123*s23*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (32*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s12*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s12*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (2*s12*s23*s234*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (32*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z3)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14^2*z2*z3)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (16*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (8*s12*s134*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (32*s12*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14^2*z2*z3)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (8*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z2*z3)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (8*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z2*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s12*s134*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (8*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (4*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s123*z23*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s14*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s14*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s134*s14*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s23*s234*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s14*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s134*s14*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s14*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s14*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s134*s14*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s12*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s14*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s12*s123*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s123*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s134*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s134*s14*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s12*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s14*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s14*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (8*s134*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (8*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s134*s14*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s12*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s14*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*z3^2)/
    (8*s12*s134*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (8*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (4*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (8*s12*s134*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (8*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (4*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z3^2)/
    (16*s12*s134*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s12*s134*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s14*z3^2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z3^2)/
    (32*s12*s123*s23*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14^2*z3^2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14^2*z3^2)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z3^2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (8*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/
    (32*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z3^2)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z3^2)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14^2*z3^2)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14^2*z3^2)/
    (32*s12*s23*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (16*s12*s134*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z3^2)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3^2)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (16*s12*s134*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3^2)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z3^2)/
    (16*s134*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*z3^2)/
    (16*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s12*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s134*s14*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s12*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s14*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s12*s123*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z3^2)/
    (16*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s123*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z3^2)/
    (16*s12*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*z3^2)/
    (16*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s12*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s12*s123*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (16*s12*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s134*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3^2)/
    (16*s134*s14*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s12*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s14*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s23*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/
    (16*s12*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (16*s12*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3^2)/
    (16*s14*s23*s234*s34*z23*z34) - (3*CA*(CA - 2*CF)*s1234*z4)/
    (16*s12*s124*z12) + (CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s124*z12) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s12*s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s12*s124*s134*z12) + (3*CA*(CA - 2*CF)*s1234*z4)/
    (16*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s14*z12) - 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s124*s14*z12) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s12*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s12*s123*s14*z12) + (CA*(CA - 2*CF)*s1234*z4)/(4*s134*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s134*s14*z12) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s123*s134*s14*z12) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s124*s134*s14*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s124*s134*s14*z12) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z4)/
    (s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2*z4)/(2*s12*s123*s134*s14*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s124*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s23*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s123*s14*s23*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s124*s14*s23*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/(16*s12*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(32*s12*s123*s14*s23*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s123*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s123*s14*z12) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z4)/
    (s12*s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s23*z4)/(2*s12*s123*s134*s14*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z4)/
    (2*s123*s234*z12) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     z4)/(s124*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     z4)/(2*s124*s234*z12) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s12*s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s12*s123*s234*z12) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z4)/(s12*s124*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z4)/
    (2*s12*s124*s234*z12) - (CA*(CA - 2*CF)*s1234*z4)/(8*s23*s234*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s12*s123*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s12*s123*s234*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s12*s124*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s124*s14*z12) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s12*s124*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (2*s12*s124*s134*s14*z12) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s124*s14*s23*z12) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s12*s124*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (2*s12*s124*s234*z12) - (5*CA*(CA - 2*CF)*s1234*z4)/(16*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s134*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s124*s14*s34*z12) + 
   (9*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s134*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s134*s14*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s13^2*z4)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/(16*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(32*s12*s123*s23*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s134*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z4)/(8*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z4)/(16*s12*s134*s14*s34*z12) - 
   (9*CA*(CA - 2*CF)*s1234*z4)/(16*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(16*s12*s234*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s14*z4)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z4)/(16*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(8*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(32*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z4)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(4*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(32*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(4*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(32*s12*s134*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z4)/(16*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/(32*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z4)/(8*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/(32*s12*s134*s14*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s24*z4)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s12*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s12*s123*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s123*z14) + 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s12*s124*z14) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s12*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*
     z4)/(s12*s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*z4)/(2*s12*s123*s124*z14) - (CF*(-CA + 2*CF)*s1234*z4)/
    (s134^2*z14) + (CF*(-CA + 2*CF)*D*s1234*z4)/(4*s134^2*z14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s124*s134*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z4)/(s124*s134*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s12*s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s12*s123*s134*z14) - (3*CA*(CA - 2*CF)*s1234*z4)/
    (8*s123*s14*z14) + (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s124*s14*z14) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s124*s14*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s123*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s12*s123*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s123*s124*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z4)/(2*s123*s124*s14*z14) - (CF*(-CA + 2*CF)*s1234*s13*z4)/
    (s134^2*s14*z14) + (CF*(-CA + 2*CF)*D*s1234*s13*z4)/(4*s134^2*s14*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s134*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s14*z14) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s124*s134*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(s124*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13^2*z4)/(s12*s123*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z4)/
    (2*s12*s123*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s123*s23*z14) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s124*s23*z14) + (CA*(CA - 2*CF)*s1234*z4)/(2*s134*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(8*s134*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(16*s12*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(16*s12*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(2*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(8*s134*s14*s23*z14) + 
   (9*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s134*s14*s23*z14) - 
   (5*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s134*s14*s23*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s12*s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s12*s123*s124*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s12*s123*s134*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s123*s124*s14*z14) - (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s134*s14*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z4)/(s12*s123*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z4)/
    (2*s12*s123*s134*s14*z14) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*z4)/(s124*s234*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     D*s1234*z4)/(s124*s234*z14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s134*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z4)/(s134*s234*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s14*s234*z14) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s124*s14*s234*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(s124*s14*s234*z14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s134*s14*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(s134*s14*s234*z14) + (CA*(CA - 2*CF)*s1234*z4)/
    (2*s23*s234*z14) - (CA*(CA - 2*CF)*D*s1234*z4)/(8*s23*s234*z14) + 
   (5*CA*(CA - 2*CF)*s12*s1234*z4)/(8*s14*s23*s234*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(8*s14*s23*s234*z14) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s14*s23*s234*z14) - 
   (5*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s14*s23*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s134*s14*s234*z14) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s12*s123*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s123*s14*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s12*s124*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z4)/(s12*s123*s124*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (2*s12*s123*s124*s14*z14) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s124*s134*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (s124*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s123*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s134*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s134*s14*s23*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z4)/(s12*s123*s124*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*s24*z4)/
    (2*s12*s123*s124*s14*z14) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s124*s14*s234*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (s124*s14*s234*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s14*s23*s234*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s14*s23*s234*z14) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s124*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s124*s34*z14) + (CA*(CA - 2*CF)*s1234*z4)/(16*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s124*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(16*s12*s134*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(32*s12*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s134*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(16*s134*s14*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(32*s134*s14*s23*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s124*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s134*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s124*s14*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s124*s14*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z4)/(16*s12*s134*s14*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/(32*s12*s134*s14*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s14*s234*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4)/(16*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(8*s14*s23*s234*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(32*s14*s23*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s124*s234*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*z4)/(s134*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s23*z4)/(s124*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z4)/
    (s134*s14*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s124*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (4*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s134*s14*s23*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s23*s24*z4)/
    (16*s12*s124*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z4)/
    (32*s12*s124*s14*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s14*s234*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s14*s23*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s24*z4)/(s124*s14*s234*s34*z14) - 
   (5*CA*(CA - 2*CF)*s1234*s34*z4)/(16*s12*s123*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z4)/(16*s12*s123*s14*z14) - 
   (CF*(-CA + 2*CF)*s1234*s34*z4)/(s134^2*s14*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s34*z4)/(4*s134^2*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z4)/
    (s12*s123*s134*s14*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34*z4)/(2*s12*s123*s134*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z4)/(4*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z4)/(16*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z4)/(8*s124*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z4)/(16*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z4)/(16*s12*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z4)/(16*s12*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z4)/(2*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z4)/(8*s134*s14*s23*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z4)/
    (s12*s123*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s23*s34*z4)/(2*s12*s123*s134*s14*z14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z4)/
    (s134*s14*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z4)/(s134*s14*s234*z14) + (CA*(CA - 2*CF)*s1234*s34*z4)/
    (2*s14*s23*s234*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z4)/
    (8*s14*s23*s234*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z4)/
    (8*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s12*s124*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s12*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s12*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (16*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (16*s12*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s34*z1*z4)/
    (8*s12*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z1*z4)/
    (8*s12*s124*s14*s23*z12*z14) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s123*s124*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z4)/
    (2*s123*s124*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*
     z4)/(s12*s123*s124*z23) - (7*CA*(CA - 2*CF)*s1234*z4)/
    (16*s123*s14*z23) + (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s124*s14*z23) + (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s123*s14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s124*s14*z23) - 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s134*s14*z23) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s134*s14*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s123*s124*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z4)/(2*s123*s124*s23*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z4)/
    (s12*s123*s124*s23*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13^2*z4)/(2*s12*s123*s124*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s124*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/(16*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(32*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(8*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(32*s12*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s134*s14*s23*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s12*s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z4)/(2*s12*s123*s124*z23) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s123*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s123*s14*z23) - (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s124*s14*z23) + (CF*(-CA + 2*CF)*s1234*z4)/(2*s234^2*z23) - 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s12*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s234*z23) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s12*s124*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s12*s124*s234*z23) - (5*CA*(CA - 2*CF)*s1234*z4)/
    (16*s14*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z4)/(32*s14*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s23*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s134*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s14*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s23*s234*z23) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s12*s124*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (2*s12*s124*s234*z23) - (5*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s12*s124*s14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s12*s124*s14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s23*z23) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s12*s124*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (2*s12*s124*s234*z23) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s12*s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (2*s12*s124*s23*s234*z23) + (5*CA*(CA - 2*CF)*s1234*z4)/
    (16*s123*s34*z23) - (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s12*s123*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s134*s34*z23) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s134*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*
     z4)/(s123*s134*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (4*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s123*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s123*s23*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13*z4)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z4)/
    (s123*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s134*s14*s23*s34*z23) + (5*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s123*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s123*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s134*s14*s34*z23) + (CF*(-CA + 2*CF)*s1234*s23*z4)/
    (2*s234^2*s34*z23) + (CA*(CA - 2*CF)*s1234*z4)/(4*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(16*s234*s34*z23) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s234*s34*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s123*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s134*s234*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (4*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s234*s34*z23) - (5*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s234*s34*z23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s123*s234*s34*z23) - (5*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s14*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s134*s14*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s134*s14*s23*s34*z23) + (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (2*s234^2*s34*z23) - (5*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s12*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s234*s34*z23) - (5*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s23*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s134*s23*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s14*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(32*s14*s23*s234*s34*z23) - 
   (5*CA*(CA - 2*CF)*s1234*s34*z4)/(16*s12*s124*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z4)/(16*s12*s124*s14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z4)/(16*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z4)/(16*s12*s124*s14*s23*z23) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z4)/
    (s12*s124*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z4)/(2*s12*s124*s234*z23) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z4)/
    (s12*s124*s23*s234*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34*z4)/(2*s12*s124*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s12*s123*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(16*s12*s123*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(4*s12*s124*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(16*s12*s124*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z4)/(16*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(32*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(32*s124*s14*z14*z23) - 
   (9*CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s12*s123*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s12*s123*s14*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s12*s124*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s12*s124*s14*z14*z23) + 
   (5*CA*(CA - 2*CF)*s1234*z1*z4)/(16*s134*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(16*s134*s14*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s124*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/(32*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(2*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/(8*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(2*s14*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1*z4)/(16*s14*s234*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/(32*s14*s23*s234*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/(32*s14*s23*s234*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s12*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s12*s124*s14*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s134*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/(32*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(8*s134*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z1*z4)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(8*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(4*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(8*s14*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/(16*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/(32*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/(32*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(16*s124*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z1*z4)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z4)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z4)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z4)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(8*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/(32*s134*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/(32*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z4)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34^2*z1*z4)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s12*s124*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s123*s14*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s124*s14*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s123*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s124*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(16*s12*s123*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(16*s12*s123*s14*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s12*s234*z12*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s124*s14*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(16*s12*s124*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s123*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(4*s12*s123*s34*z12*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s123*s23*s34*z12*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(16*s12*s123*s23*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(16*s12*s123*s34*z12*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s234*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(16*s12*s234*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s234*s34*z12*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(16*s12*s23*s234*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(4*s12*s123*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s12*s123*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z4)/(8*s12*s124*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s12*s124*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(8*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(32*s123*s14*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z4)/(16*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(32*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s123*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s123*s14*z14*z23) - 
   (9*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s124*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(2*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(8*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(4*s134*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s134*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(32*s12*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(32*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z4)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/(32*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s14*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(8*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z4)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/(32*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(8*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s12*s123*s14*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(32*s12*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(32*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(8*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z4)/(16*s14*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z4)/(8*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/(32*s12*s123*s14*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z2*z4)/(16*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/(32*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2*z4)/(8*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2*z4)/(16*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/(8*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2*z4)/(32*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/(8*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2*z4)/(32*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z4)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/(32*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z4)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/(32*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z2*z4)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34^2*z2*z4)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s12*s123*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s12*s124*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s124*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s123*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s134*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s134*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s124*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s14*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s14*s234*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s123*s14*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s123*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(16*s12*s124*s14*s23*z14*z23) + 
   (5*CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(8*s134*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(32*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(32*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3*z4)/(32*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/(32*s134*s14*s23*s34*z14*z23) + 
   (5*CA*(CA - 2*CF)*s1234*z3*z4)/(8*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(8*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(32*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s14*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(32*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(8*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z3*z4)/(32*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(8*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/(32*s14*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3*z4)/(32*s134*s14*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3*z4)/(32*s14*s23*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/(32*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(16*s12*s123*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(16*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(8*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(8*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z3*z4)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*s34*z3*z4)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s12*s123*z34) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s12*s123*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     z4)/(s123*s134*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     z4)/(2*s123*s134*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s124*s14*z34) + (CF*(-CA + 2*CF)*s1234*s13*z4)/
    (2*s134^2*s14*z34) - (CF*(-CA + 2*CF)*D*s1234*s13*z4)/
    (4*s134^2*s14*z34) - (CA*(CA - 2*CF)*s1234*z4)/(16*s134*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s134*s14*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s134*s14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s124*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s124*s134*s14*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s123*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s123*s134*s23*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s23*z34) - (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s124*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s134*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s23*z4)/(s124*s134*s14*z34) + (CF*(-CA + 2*CF)*s1234*z4)/
    (2*s234^2*z34) - (CF*(-CA + 2*CF)*D*s1234*z4)/(4*s234^2*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s12*s234*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s12*s234*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s123*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z4)/
    (2*s123*s234*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     z4)/(s134*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     z4)/(s134*s234*z34) + (CA*(CA - 2*CF)*s1234*z4)/(16*s14*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s14*s234*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s124*s14*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s124*s14*s234*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s134*s14*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(s134*s14*s234*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s123*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s23*s234*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z4)/(s124*s14*s234*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s123*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s123*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s124*s34*z34) + (CF*(-CA + 2*CF)*s1234*s13*z4)/
    (2*s134^2*s34*z34) - (CF*(-CA + 2*CF)*D*s1234*s13*z4)/
    (4*s134^2*s34*z34) - (CA*(CA - 2*CF)*s1234*z4)/(16*s134*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s134*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s134*s34*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s134*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s123*s134*s34*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s124*s134*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s124*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (8*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s124*s14*s34*z34) + (CF*(-CA + 2*CF)*s1234*s13^2*z4)/
    (2*s134^2*s14*s34*z34) - (CF*(-CA + 2*CF)*D*s1234*s13^2*z4)/
    (4*s134^2*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s134*s14*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s134*s14*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z4)/(s124*s134*s14*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z4)/
    (2*s124*s134*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z4)/
    (16*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z4)/
    (16*s12*s123*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z4)/(s123*s134*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z4)/
    (2*s123*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13^2*z4)/(s123*s134*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z4)/
    (16*s12*s123*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z4)/(s123*s134*s23*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4)/(8*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s124*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z4)/(16*s12*s134*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4)/(32*s12*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s124*s134*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (16*s12*s124*s14*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/
    (32*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (16*s12*s134*s14*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s13*s23*z4)/
    (32*s12*s134*s14*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z4)/(s124*s134*s14*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s23^2*z4)/(16*s12*s124*s14*s34*z34) + 
   (CF*(-CA + 2*CF)*s1234*s23*z4)/(2*s234^2*s34*z34) - 
   (CF*(-CA + 2*CF)*D*s1234*s23*z4)/(4*s234^2*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s234*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s234*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s134*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z4)/(s134*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z4)/
    (16*s12*s234*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z4)/(s134*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z4)/
    (s134*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s12*s234*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s12*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s123*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (2*s123*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (32*s14*s234*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z4)/(s124*s14*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z4)/
    (2*s124*s14*s234*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s23*z4)/(s134*s14*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s23*z4)/
    (s134*s14*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23^2*z4)/(s124*s14*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s123*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (8*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z4)/
    (16*s12*s124*s14*s34*z34) + (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (2*s234^2*s34*z34) - (CF*(-CA + 2*CF)*D*s1234*s24*z4)/
    (4*s234^2*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s12*s234*s34*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s12*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s123*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (2*s123*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s14*s234*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s124*s14*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (2*s124*s14*s234*s34*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s134*s14*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (s134*s14*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s23*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s123*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s14*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(32*s14*s23*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z4)/
    (s124*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s12*s123*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s12*s124*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s12*s124*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s12*s134*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s12*s134*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s123*s23*z12*z34) - (7*CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s124*s14*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (2*s12*s134*s14*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (32*s12*s134*s14*z12*z34) - (5*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s12*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (16*s12*s23*s234*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/
    (32*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z1*z4)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (32*s12*s124*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (8*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23^2*z1*z4)/
    (32*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23^2*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23^2*z1*z4)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (8*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (32*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z4)/
    (32*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z4)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (4*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s12*s124*z14*z34) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s12*s134*z14*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s134*s14*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s134*s14*z14*z34) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s134*s23*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s134*s14*s23*z14*z34) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s14*s234*z14*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s124*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s14*s23*s234*z14*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s134*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s134*s14*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s14*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s14*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s12*s134*s14*z14*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s134*s14*s23*z14*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s14*s23*s234*z14*z34) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (4*s12*s123*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s12*s123*z12*z34) + (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s12*s124*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s12*s124*z12*z34) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s12*s134*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s12*s134*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s12*s124*s14*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s12*s134*s14*z12*z34) - (5*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (32*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (8*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (32*s12*s134*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s12*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s12*s234*z12*z34) + (7*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (16*s12*s23*s234*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (4*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z4)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/
    (4*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s23*z2*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23^2*z2*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/
    (32*s12*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s12*s23*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z4)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2*z4)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (4*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z2*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s12*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s12*s23*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (4*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s12*s124*z14*z34) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s12*s134*z14*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s124*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s134*s14*z14*z34) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s134*s23*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s134*s14*s23*z14*z34) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s14*s234*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s14*s23*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s124*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s14*s23*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s134*s23*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s134*s14*s23*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s14*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s14*s23*s234*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s12*s134*s14*z14*z34) - (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s134*s14*s23*z14*z34) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s14*s23*s234*z14*z34) - (3*CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s12*s123*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s12*s123*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s12*s124*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s12*s124*z12*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (4*s12*s134*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s12*s134*z12*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (4*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (8*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (4*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (8*s123*s23*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (4*s12*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s12*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (4*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (8*s12*s23*s234*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (4*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*z3*z4)/
    (8*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z3*z4)/
    (16*s124*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (32*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (16*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/
    (32*s12*s123*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/
    (32*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (8*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (8*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/
    (16*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (8*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/
    (16*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s14*z3*z4)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z3*z4)/
    (32*s12*s123*s23*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/
    (32*s12*s123*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/
    (32*s12*s124*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/
    (16*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23^2*z3*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z3*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z3*z4)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14^2*z3*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/
    (32*s12*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (16*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (16*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/
    (32*s12*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*s24*z3*z4)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z3*z4)/
    (32*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*s24*z3*z4)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*s24*z3*z4)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/
    (32*s12*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/
    (32*s12*s23*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/
    (32*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (8*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z3*z4)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (4*s12*s124*z14*z34) - (CF*(-CA + 2*CF)*s1234*z3*z4)/(s134^2*z14*z34) + 
   (7*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s12*s134*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3*z4)/
    (s124*s134*z14*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s124*s14*z14*z34) - 
   (CF*(-CA + 2*CF)*s1234*s13*z3*z4)/(s134^2*s14*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3*z4)/
    (s124*s134*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (2*s12*s134*s14*z14*z34) + (7*CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s134*s23*z14*z34) + (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (4*s134*s14*s23*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (2*s134*s14*s23*z14*z34) + (CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (8*s12*s134*s14*z14*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*z3*z4)/(s124*s234*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3*z4)/
    (s134*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s14*s234*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3*z4)/
    (s124*s14*s234*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3*z4)/(s134*s14*s234*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(4*s14*s23*s234*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z3*z4)/
    (s134*s14*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (4*s12*s124*s14*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s134*s14*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3*z4)/(s124*s134*s14*z14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s134*s14*s23*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3*z4)/
    (s124*s14*s234*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3*z4)/(s134*s14*s234*z14*z34) - 
   (7*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s14*s23*s234*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(4*s12*s124*s34*z14*z34) - 
   (CF*(-CA + 2*CF)*s1234*s13*z3*z4)/(s134^2*s34*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3*z4)/
    (s124*s134*s34*z14*z34) + (7*CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s12*s134*s34*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3*z4)/(s124*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(4*s124*s14*s34*z14*z34) - 
   (CF*(-CA + 2*CF)*s1234*s13^2*z3*z4)/(2*s134^2*s14*s34*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z3*z4)/
    (s124*s134*s14*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/
    (4*s12*s134*s14*s34*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (16*s12*s124*s34*z14*z34) - (CF*(-CA + 2*CF)*s1234*s14*z3*z4)/
    (2*s134^2*s34*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (16*s12*s134*s34*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3*z4)/(s124*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s134*s23*s34*z14*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(4*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(4*s134*s14*s23*s34*z14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s12*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z3*z4)/(8*s12*s134*s14*s34*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(4*s14*s234*s34*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z3*z4)/
    (s124*s234*s34*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z3*z4)/(s134*s234*s34*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z3*z4)/
    (s124*s14*s234*s34*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z3*z4)/
    (s134*s14*s234*s34*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (8*s12*s124*s34*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s12*s134*s34*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3*z4)/(s124*s134*s34*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(4*s12*s124*s14*s34*z14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s134*s14*s34*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3*z4)/
    (s124*s134*s14*s34*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s134*s23*s34*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s134*s14*s23*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z3*z4)/
    (8*s12*s124*s14*s34*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3*z4)/
    (s124*s234*s34*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3*z4)/(s134*s234*s34*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s14*s234*s34*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z3*z4)/
    (s124*s14*s234*s34*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3*z4)/
    (s134*s14*s234*s34*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s23*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/
    (4*s14*s23*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (4*s14*s23*s234*s34*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z3*z4)/
    (s124*s14*s234*s34*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (16*s12*s124*s14*s34*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z3*z4)/
    (s124*s14*s234*s34*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (16*s14*s23*s234*s34*z14*z34) - (CF*(-CA + 2*CF)*s1234*s34*z3*z4)/
    (2*s134^2*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*s34*z3*z4)/
    (4*s12*s134*s14*z14*z34) + (CA*(CA - 2*CF)*s1234*s34*z3*z4)/
    (4*s134*s14*s23*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z3*z4)/(s134*s14*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(4*s14*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s12*s124*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z3*z4)/(8*s12*s134*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s124*s14*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s12*s134*s14*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(8*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(4*s12*s124*s14*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(8*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z3*z4)/(8*s12*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3*z4)/(8*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3*z4)/(8*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(8*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(8*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(8*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z3*z4)/(8*s12*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(4*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(8*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(8*s12*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3*z4)/(8*s12*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3*z4)/(8*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3*z4)/(4*s12*s134*s14*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s12*s123*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z3*z4)/
    (s123*s134*z23*z34) - (3*CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s134*s14*z23*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (4*s123*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (4*s12*s123*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*z3*z4)/
    (4*s134*s23*z23*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3*z4)/(s123*s134*s23*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3*z4)/
    (s123*s134*s23*z23*z34) - (CA*(CA - 2*CF)*s12*s1234*z3*z4)/
    (4*s134*s14*s23*z23*z34) - (7*CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s134*s14*s23*z23*z34) - (CF*(-CA + 2*CF)*s1234*z3*z4)/
    (s234^2*z23*z34) + (7*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s12*s234*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3*z4)/
    (s123*s234*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     z3*z4)/(s134*s234*z23*z34) + (7*CA*(CA - 2*CF)*s1234*z3*z4)/
    (16*s14*s234*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3*z4)/(s123*s23*s234*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s23*s234*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3*z4)/
    (s123*s23*s234*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3*z4)/(s134*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s14*s23*s234*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s14*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s23*s234*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3*z4)/
    (s134*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (4*s134*s14*s23*z23*z34) - (CF*(-CA + 2*CF)*s1234*s24*z3*z4)/
    (s23*s234^2*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (2*s12*s23*s234*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3*z4)/(s134*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(2*s14*s23*s234*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s123*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s12*s123*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s34*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3*z4)/
    (s123*s134*s34*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/
    (16*s134*s14*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (8*s12*s123*s34*z23*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3*z4)/(s123*s134*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s123*s23*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s12*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s134*s23*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s23*s34*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z3*z4)/
    (s123*s134*s23*s34*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13^2*z3*z4)/
    (s123*s134*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/
    (4*s134*s14*s23*s34*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/
    (16*s134*s14*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z3*z4)/
    (8*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z3*z4)/
    (8*s12*s123*s23*s34*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s14*z3*z4)/
    (s123*s134*s23*s34*z23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z3*z4)/
    (s123*s134*s23*s34*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (16*s12*s123*s34*z23*z34) - (CF*(-CA + 2*CF)*s1234*s23*z3*z4)/
    (2*s234^2*s34*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3*z4)/(s123*s234*s34*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s234*s34*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z3*z4)/
    (s123*s234*s34*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3*z4)/(s134*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s14*s234*s34*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s14*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s234*s34*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3*z4)/
    (s134*s234*s34*z23*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/
    (16*s12*s234*s34*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z3*z4)/(s123*s234*s34*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(4*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(4*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(4*s12*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(4*s134*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(4*s134*s14*s23*s34*z23*z34) - 
   (CF*(-CA + 2*CF)*s1234*s24*z3*z4)/(s234^2*s34*z23*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s234*s34*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z3*z4)/
    (s123*s234*s34*z23*z34) + (7*CA*(CA - 2*CF)*s1234*s24*z3*z4)/
    (16*s14*s234*s34*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s24*z3*z4)/(s123*s23*s234*s34*z23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s23*s234*s34*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3*z4)/
    (s123*s23*s234*s34*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z3*z4)/
    (s134*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/
    (4*s14*s23*s234*s34*z23*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/
    (16*s14*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z3*z4)/
    (8*s12*s23*s234*s34*z23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z3*z4)/
    (s134*s23*s234*s34*z23*z34) - (CF*(-CA + 2*CF)*s1234*s24^2*z3*z4)/
    (2*s23*s234^2*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (4*s12*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z3*z4)/
    (4*s14*s23*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s34*z3*z4)/
    (4*s134*s14*s23*z23*z34) - (CF*(-CA + 2*CF)*s1234*s34*z3*z4)/
    (2*s23*s234^2*z23*z34) + (CA*(CA - 2*CF)*s1234*s34*z3*z4)/
    (4*s12*s23*s234*z23*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z3*z4)/(s134*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(4*s14*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s134*s14*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(8*s134*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(8*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s134*s14*s23*z14*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z3*z4)/(8*s14*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(8*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s134*s14*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(4*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s134*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s134*s14*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(8*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z1*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(8*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(4*s14*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3*z4)/(8*s134*s14*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3*z4)/(8*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(4*s12*s123*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(4*s123*s23*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(4*s12*s123*s23*z12*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z3*z4)/(8*s12*s234*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s12*s23*s234*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/(8*s12*s23*s234*z12*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s12*s23*s234*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(8*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(4*s12*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/(8*s12*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3*z4)/(8*s12*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/(8*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3*z4)/(8*s12*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3*z4)/(8*s12*s123*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s12*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/(8*s12*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z3*z4)/(8*s12*s234*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s12*s123*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s123*s23*s34*z12*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/(8*s12*s123*s23*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(4*s12*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/(8*s12*s23*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3*z4)/(8*s12*s23*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3*z4)/(8*s12*s23*s234*s34*z12*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3*z4)/(4*s12*s23*s234*z12*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z3*z4)/(8*s134*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(8*s134*s14*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(4*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(8*s14*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(4*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(8*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(4*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(8*s134*s23*s34*z14*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s134*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z2*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z3*z4)/(4*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z3*z4)/(4*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z2*z3*z4)/(8*s14*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z3*z4)/(8*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s134*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(8*s14*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z3*z4)/(4*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z2*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z2*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3*z4)/(8*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z2*z3*z4)/(8*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s12*s124*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s124*s14*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s124*s14*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s134*s14*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(32*s134*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s14*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(32*s14*s234*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(4*s134*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(16*s134*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(32*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s134*s14*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4^2)/(32*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(16*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(32*s14*s234*s34*z14*z23) - 
   (5*CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s14*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s14*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s13*z4^2)/(32*s14*s23*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(8*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(32*s134*s14*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s14*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(32*s14*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(32*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z4^2)/(16*s12*s124*s14*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z4^2)/(16*s12*s124*s14*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(16*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(4*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(16*s12*s134*s14*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s12*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(16*s12*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(4*s12*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(16*s12*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s12*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s12*s23*s234*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s12*s134*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(32*s12*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(32*s12*s134*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23^2*z4^2)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z4^2)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23^2*z4^2)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23^2*z4^2)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z4^2)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z4^2)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(8*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(32*s12*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s23*s24*z4^2)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4^2)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z4^2)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*s24*z4^2)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s134*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s134*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s134*s14*s23*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s14*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s12*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s134*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(16*s12*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s12*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z4^2)/(16*s12*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s14*s23*s234*s34*z14*z34)) + 
 k2k3*(-(CA*(CA - 2*CF)*s1234)/(2*s12*s123) + (5*CA*(CA - 2*CF)*D*s1234)/
    (16*s12*s123) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s12*s123) + 
   (CF*(-CA + 2*CF)*s1234)/s124^2 - (3*CF*(-CA + 2*CF)*D*s1234)/(4*s124^2) + 
   (CF*(-CA + 2*CF)*D^2*s1234)/(8*s124^2) - (3*CA*(CA - 2*CF)*s1234)/
    (4*s12*s124) + (3*CA*(CA - 2*CF)*D*s1234)/(8*s12*s124) - 
   (CA*(CA - 2*CF)*D^2*s1234)/(32*s12*s124) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s12*s123*s124) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/(s12*s123*s124) + 
   (CF*(-CA + 2*CF)*s1234)/s134^2 - (3*CF*(-CA + 2*CF)*D*s1234)/(4*s134^2) + 
   (CF*(-CA + 2*CF)*D^2*s1234)/(8*s134^2) - (CA*(CA - 2*CF)*s1234)/
    (4*s12*s134) + (3*CA*(CA - 2*CF)*D*s1234)/(16*s12*s134) - 
   (CA*(CA - 2*CF)*D^2*s1234)/(32*s12*s134) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234)/(s123*s134) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234)/(s123*s134) + 
   (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/(s124*s134) - 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/(s124*s134) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234)/(s124*s134) - 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s12*s123*s134) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/(s12*s123*s134) + 
   (CA*(CA - 2*CF)*D*s1234)/(16*s124*s14) - (CF*(-CA + 2*CF)*s1234*s13)/
    (s134^2*s14) + (CF*(-CA + 2*CF)*D*s1234*s13)/(2*s134^2*s14) + 
   (CA*(CA - 2*CF)*D*s1234)/(16*s134*s14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s124*s134*s14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234)/(s124*s134*s14) - 
   (CA*(CA - 2*CF)*s1234*s13)/(8*s12*s134*s14) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (16*s12*s134*s14) - (CF*(-CA + 2*CF)*s1234*s14)/(s12*s124^2) + 
   (3*CF*(-CA + 2*CF)*D*s1234*s14)/(4*s12*s124^2) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s14)/(8*s12*s124^2) - 
   (26*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s12*s123*s124) + 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s12*s123*s124) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(s12*s123*s124) - (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s12*s123*s134) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s12*s123*s134) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s12*s123*s134) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s12*s124*s134) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s12*s124*s134) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s12*s124*s134) + (7*CA*(CA - 2*CF)*s1234)/(4*s123*s23) - 
   (5*CA*(CA - 2*CF)*D*s1234)/(8*s123*s23) + (CA*(CA - 2*CF)*D^2*s1234)/
    (16*s123*s23) + (5*CA*(CA - 2*CF)*s1234)/(4*s124*s23) - 
   (7*CA*(CA - 2*CF)*D*s1234)/(16*s124*s23) + (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s124*s23) - (CA*(CA - 2*CF)*s1234*s13)/(4*s12*s123*s23) - 
   (CA*(CA - 2*CF)*s1234*s13)/(2*s12*s124*s23) + (CA*(CA - 2*CF)*D*s1234*s13)/
    (4*s12*s124*s23) - (CA*(CA - 2*CF)*D^2*s1234*s13)/(32*s12*s124*s23) + 
   (5*CA*(CA - 2*CF)*s1234)/(4*s134*s23) - (7*CA*(CA - 2*CF)*D*s1234)/
    (16*s134*s23) + (CA*(CA - 2*CF)*D^2*s1234)/(32*s134*s23) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s123*s134*s23) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s123*s134*s23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(2*s123*s134*s23) + (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s123*s134*s23) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s134*s23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s134*s23) + (3*CA*(CA - 2*CF)*s12*s1234)/(4*s134*s14*s23) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234)/(8*s134*s14*s23) + 
   (CA*(CA - 2*CF)*D^2*s12*s1234)/(32*s134*s14*s23) + 
   (3*CA*(CA - 2*CF)*s1234*s13)/(8*s134*s14*s23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13)/(16*s134*s14*s23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14)/
    (s12*s123*s124*s23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s14)/(s12*s123*s124*s23) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s134*s23) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s123*s134*s23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s123*s134*s23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23)/(s12*s123*s124) - 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s12*s123*s134) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/(s12*s123*s134) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s12*s124*s134) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/(s12*s124*s134) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234)/(s124*s234) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234)/(s124*s234) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s134*s14*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s134*s14*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/(s134*s14*s234) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s12*s123*s234) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s12*s123*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s12*s123*s234) - (16*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s12*s124*s234) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s12*s124*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s12*s124*s234) + (7*CA*(CA - 2*CF)*s1234)/(4*s23*s234) - 
   (5*CA*(CA - 2*CF)*D*s1234)/(8*s23*s234) + (CA*(CA - 2*CF)*D^2*s1234)/
    (16*s23*s234) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s123*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234)/(s123*s23*s234) + (CA*(CA - 2*CF)*s1234*s13)/(2*s12*s23*s234) - 
   (CA*(CA - 2*CF)*D*s1234*s13)/(4*s12*s23*s234) + 
   (CA*(CA - 2*CF)*D^2*s1234*s13)/(32*s12*s23*s234) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s134*s23*s234) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s134*s23*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s134*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s134*s23*s234) - (CA*(CA - 2*CF)*D*s12*s1234)/
    (16*s14*s23*s234) + (CA*(CA - 2*CF)*s1234*s13)/(4*s14*s23*s234) - 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s14*s23*s234) + 
   (CA*(CA - 2*CF)*s1234*s14)/(4*s12*s23*s234) - (CA*(CA - 2*CF)*D*s1234*s14)/
    (16*s12*s23*s234) + (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14)/(s123*s23*s234) - (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14)/(s123*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s14)/(s123*s23*s234) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s124*s23*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s124*s23*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s124*s23*s234) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14)/(s12*s123*s23*s234) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14)/
    (s12*s123*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s14)/(2*s12*s123*s23*s234) - 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14)/
    (s12*s124*s23*s234) + (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s14)/(s12*s124*s23*s234) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s14)/
    (2*s12*s124*s23*s234) - (2*CF*(-CA + 2*CF)*s1234*s24)/(s12*s124^2) + 
   (5*CF*(-CA + 2*CF)*D*s1234*s24)/(4*s12*s124^2) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s24)/(8*s12*s124^2) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s12*s123*s124) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s12*s123*s124) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s12*s123*s124) - (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s12*s123*s134) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s12*s123*s134) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s12*s123*s134) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s12*s124*s134) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s12*s124*s134) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s12*s124*s134) - (CF*(-CA + 2*CF)*s1234*s24)/(s124^2*s14) + 
   (CF*(-CA + 2*CF)*D*s1234*s24)/(2*s124^2*s14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s124*s14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/(s123*s124*s14) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s123*s134*s14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s123*s134*s14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s124*s134*s14) - (5*CA*(CA - 2*CF)*s1234*s24)/
    (8*s12*s124*s23) + (CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s124*s23) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s124*s23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s123*s124*s23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s123*s124*s23) + (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s124*s23) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s124*s23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s24)/(2*s12*s123*s124*s23) + (CA*(CA - 2*CF)*s1234*s24)/
    (4*s123*s14*s23) - (CA*(CA - 2*CF)*D*s1234*s24)/(16*s123*s14*s23) + 
   (3*CA*(CA - 2*CF)*s1234*s24)/(8*s124*s14*s23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24)/(16*s124*s14*s23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s123*s14*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24)/(8*s12*s123*s14*s23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s124*s14*s23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*s24)/(16*s12*s124*s14*s23) - 
   (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/(32*s12*s124*s14*s23) + 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s124*s23*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s124*s23*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s124*s23*s234) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s23*s234) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s23*s234) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s12*s124*s23*s234) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s124*s23*s234) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*s24)/(s12*s124*s23*s234) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24)/
    (s12*s124*s23*s234) - (CA*(CA - 2*CF)*s1234)/(4*s124*s34) + 
   (3*CA*(CA - 2*CF)*D*s1234)/(16*s124*s34) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s124*s34) - (CA*(CA - 2*CF)*s1234*s13)/(4*s12*s124*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s124*s34) - 
   (2*CF*(-CA + 2*CF)*s1234*s13)/(s134^2*s34) + 
   (5*CF*(-CA + 2*CF)*D*s1234*s13)/(4*s134^2*s34) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s13)/(8*s134^2*s34) - 
   (3*CA*(CA - 2*CF)*s1234)/(4*s134*s34) + (3*CA*(CA - 2*CF)*D*s1234)/
    (8*s134*s34) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s134*s34) - 
   (5*CA*(CA - 2*CF)*s1234*s13)/(8*s12*s134*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s134*s34) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s124*s134*s34) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s124*s134*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s124*s134*s34) - (3*CA*(CA - 2*CF)*s1234*s14)/(2*s12*s123*s34) + 
   (7*CA*(CA - 2*CF)*D*s1234*s14)/(16*s12*s123*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s14)/(32*s12*s123*s34) - 
   (CA*(CA - 2*CF)*s1234*s14)/(s12*s124*s34) + (CA*(CA - 2*CF)*D*s1234*s14)/
    (4*s12*s124*s34) - (CF*(-CA + 2*CF)*s1234*s14)/(s134^2*s34) + 
   (3*CF*(-CA + 2*CF)*D*s1234*s14)/(4*s134^2*s34) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s14)/(8*s134^2*s34) - 
   (CA*(CA - 2*CF)*s1234*s14)/(s12*s134*s34) + (CA*(CA - 2*CF)*D*s1234*s14)/
    (4*s12*s134*s34) - (16*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14)/(s123*s134*s34) + (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14)/(s123*s134*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s14)/(2*s123*s134*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s124*s134*s34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s124*s134*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s124*s134*s34) + (CA*(CA - 2*CF)*s12*s1234)/(4*s134*s23*s34) - 
   (CA*(CA - 2*CF)*D*s12*s1234)/(16*s134*s23*s34) - 
   (5*CA*(CA - 2*CF)*s1234*s13)/(8*s134*s23*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s134*s23*s34) + 
   (CA*(CA - 2*CF)*s1234*s14)/(4*s123*s23*s34) - (CA*(CA - 2*CF)*D*s1234*s14)/
    (16*s123*s23*s34) - (5*CA*(CA - 2*CF)*s1234*s13*s14)/
    (8*s12*s123*s23*s34) + (CA*(CA - 2*CF)*D*s1234*s13*s14)/
    (8*s12*s123*s23*s34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s14)/(s123*s134*s23*s34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s14)/
    (s123*s134*s23*s34) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14)/(s123*s134*s23*s34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14)/
    (s123*s134*s23*s34) - (CA*(CA - 2*CF)*s1234*s23)/(4*s12*s124*s34) - 
   (CA*(CA - 2*CF)*s1234*s23)/(4*s12*s134*s34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s124*s134*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/(s124*s134*s34) - 
   (CA*(CA - 2*CF)*s1234)/(2*s234*s34) + (5*CA*(CA - 2*CF)*D*s1234)/
    (16*s234*s34) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s234*s34) - 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s124*s234*s34) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s124*s234*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s124*s234*s34) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s134*s234*s34) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s134*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s134*s234*s34) - (3*CA*(CA - 2*CF)*s1234*s14)/(2*s12*s234*s34) + 
   (7*CA*(CA - 2*CF)*D*s1234*s14)/(16*s12*s234*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s14)/(32*s12*s234*s34) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s234*s34) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s123*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s123*s234*s34) - (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s124*s234*s34) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s124*s234*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s124*s234*s34) - (26*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s134*s234*s34) + 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s134*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(s134*s234*s34) - (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23)/(s124*s234*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s23)/(s124*s234*s34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s134*s234*s34) - 
   (5*CA*(CA - 2*CF)*s1234*s24)/(8*s12*s124*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s124*s34) - 
   (CA*(CA - 2*CF)*s1234*s24)/(4*s12*s134*s34) + (CA*(CA - 2*CF)*D*s1234*s24)/
    (16*s12*s134*s34) - (CA*(CA - 2*CF)*s1234*s24)/(8*s124*s14*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s124*s14*s34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s124*s14*s34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s134*s14*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s124*s134*s14*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s124*s134*s14*s34) + (CA*(CA - 2*CF)*s1234*s24)/
    (2*s123*s23*s34) - (CA*(CA - 2*CF)*D*s1234*s24)/(4*s123*s23*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(32*s123*s23*s34) + 
   (7*CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s123*s23*s34) - 
   (5*CA*(CA - 2*CF)*D*s1234*s13*s24)/(16*s12*s123*s23*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/(32*s12*s123*s23*s34) - 
   (CA*(CA - 2*CF)*s1234*s24)/(2*s134*s23*s34) + (CA*(CA - 2*CF)*D*s1234*s24)/
    (4*s134*s23*s34) - (CA*(CA - 2*CF)*D^2*s1234*s24)/(32*s134*s23*s34) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s123*s134*s23*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s123*s134*s23*s34) - (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s134*s14*s23*s34) + (3*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s134*s14*s23*s34) - (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s134*s14*s23*s34) - (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24)/(s123*s134*s23*s34) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24)/
    (s123*s134*s23*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s14*s24)/(2*s123*s134*s23*s34) - 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s124*s234*s34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/(s124*s234*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s134*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/(s134*s234*s34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24)/
    (s124*s14*s234*s34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s124*s14*s234*s34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s124*s14*s234*s34) - (CA*(CA - 2*CF)*s1234*s24)/(4*s23*s234*s34) + 
   (7*CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s23*s234*s34) - 
   (5*CA*(CA - 2*CF)*D*s1234*s13*s24)/(16*s12*s23*s234*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/(32*s12*s23*s234*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s123*s23*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s123*s23*s234*s34) + 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s134*s23*s234*s34) - (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24)/(s134*s23*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24)/
    (2*s134*s23*s234*s34) - (CA*(CA - 2*CF)*s12*s1234*s24)/
    (8*s14*s23*s234*s34) + (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s14*s23*s234*s34) - (CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s14*s23*s234*s34) - (5*CA*(CA - 2*CF)*s1234*s14*s24)/
    (8*s12*s23*s234*s34) + (CA*(CA - 2*CF)*D*s1234*s14*s24)/
    (8*s12*s23*s234*s34) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24)/(s123*s23*s234*s34) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24)/
    (s123*s23*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s14*s24)/(2*s123*s23*s234*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24)/
    (s134*s23*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s24)/(s134*s23*s234*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s124*s14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s124*s134*s14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34)/(s124*s134*s14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34)/
    (s12*s123*s134*s14) + (CA*(CA - 2*CF)*s1234*s34)/(4*s12*s124*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s34)/(16*s12*s124*s23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s124*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s34)/(16*s123*s14*s23) + 
   (3*CA*(CA - 2*CF)*s1234*s34)/(4*s124*s14*s23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s34)/(8*s124*s14*s23) + 
   (CA*(CA - 2*CF)*D^2*s1234*s34)/(32*s124*s14*s23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34)/(8*s12*s123*s14*s23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s23*s234) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34)/(s123*s23*s234) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s124*s23*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s124*s23*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s124*s23*s234) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s34)/(s12*s124*s23*s234) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s34)/
    (s12*s124*s23*s234) - (CA*(CA - 2*CF)*s1234*z1)/(16*s12*s123*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s123*z12) - 
   (CF*(-CA + 2*CF)*s1234*z1)/(s124^2*z12) + (CF*(-CA + 2*CF)*D*s1234*z1)/
    (4*s124^2*z12) - (3*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s124*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s124*z12) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s124*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(s123*s124*z12) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s12*s123*s124*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(s12*s123*s124*z12) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s12*s134*z12) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     z1)/(s123*s134*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*z1)/(s123*s134*z12) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*z1)/(s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*z1)/(s124*s134*z12) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z1)/(s12*s123*s134*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z1)/
    (s12*s123*s134*z12) + (CA*(CA - 2*CF)*s1234*z1)/(16*s124*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s124*s14*z12) + 
   (3*CA*(CA - 2*CF)*s1234*z1)/(16*s134*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s14*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s134*s14*z12) - 
   (CF*(-CA + 2*CF)*s1234*s14*z1)/(s12*s124^2*z12) + 
   (CF*(-CA + 2*CF)*D*s1234*s14*z1)/(4*s12*s124^2*z12) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z1)/
    (s12*s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z1)/(s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*z1)/
    (16*s123*s23*z12) - (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s23*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s23*z12) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s124*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(s12*s123*s124*z12) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s134*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(s12*s123*s134*z12) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s134*s14*z12) - (3*CA*(CA - 2*CF)*s1234*z1)/(8*s12*s234*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s234*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z1)/(16*s23*s234*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s23*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s23*s234*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s23*s234*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s14*z1)/(16*s12*s23*s234*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1)/(16*s12*s23*s234*z12) - 
   (CF*(-CA + 2*CF)*s1234*s24*z1)/(s12*s124^2*z12) + 
   (CF*(-CA + 2*CF)*D*s1234*s24*z1)/(4*s12*s124^2*z12) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(s12*s124*s134*z12) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s14*z12) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s23*z12) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s123*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s124*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s123*s14*s23*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s12*s123*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s12*s123*s234*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s23*s234*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s123*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24*z1)/(2*s123*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s12*s123*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z1)/(2*s12*s123*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z1)/
    (s12*s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s24*z1)/(2*s12*s124*s23*s234*z12) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s12*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s12*s124*s14*s23*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z1)/
    (s12*s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2*z1)/(2*s12*s124*s23*s234*z12) + (CA*(CA - 2*CF)*s1234*z1)/
    (2*s124*s34*z12) - (CA*(CA - 2*CF)*D*s1234*z1)/(8*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*z1)/(2*s134*s34*z12) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (8*s134*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s134*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z1)/(8*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z1)/(16*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(2*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z1)/(8*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(2*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z1)/(8*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1)/(8*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(2*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(8*s12*s124*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s23*z1)/(8*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(8*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(4*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s123*s34*z12) + 
   (9*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s124*s34*z12) - 
   (5*CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s124*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s134*s34*z12) - 
   (5*CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(4*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s134*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(32*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(32*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z1)/(16*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(8*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(16*s12*s23*s234*s34*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s12*s124*s134*z12) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s123*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s124*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s34*z1)/(s12*s123*s134*s14*z12) - (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s124*s23*z12) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s123*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s123*s14*s23*z12) - (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s124*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s124*s14*s23*z12) + (3*CA*(CA - 2*CF)*s1234*s13*s34*z1)/
    (16*s12*s123*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/
    (32*s12*s123*s14*s23*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s34*z1)/(s12*s123*s134*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s12*s123*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s12*s123*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s123*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s124*s23*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z1)/
    (s12*s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34*z1)/(2*s12*s123*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z1)/
    (s12*s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s34*z1)/(2*s12*s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1)/
    (s12*s124*s134*s14*z12) - (3*CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (16*s12*s124*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (32*s12*s124*s14*s23*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1)/(s12*s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (2*s12*s124*s23*s234*z12) - (CA*(CA - 2*CF)*s1234*z1)/(16*s12*s124*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s124*z14) + 
   (CF*(-CA + 2*CF)*s1234*z1)/(2*s134^2*z14) - (CF*(-CA + 2*CF)*D*s1234*z1)/
    (4*s134^2*z14) + (CA*(CA - 2*CF)*s1234*z1)/(16*s12*s134*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s134*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s124*s134*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(s124*s134*z14) - 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s124*s14*z14) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s124*s14*z14) + (CF*(-CA + 2*CF)*s1234*s13*z1)/(2*s134^2*s14*z14) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z1)/(4*s134^2*s14*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z1)/
    (s124*s134*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z1)/(s124*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s12*s134*s14*z14) - (3*CA*(CA - 2*CF)*s1234*z1)/(16*s134*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s23*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z1)/(16*s134*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s134*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s134*s14*s23*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s124*s234*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(2*s124*s234*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s134*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z1)/
    (2*s134*s234*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z1)/(s124*s14*s234*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*z1)/
    (2*s124*s14*s234*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z1)/(s134*s14*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z1)/
    (2*s134*s14*s234*z14) - (CA*(CA - 2*CF)*s1234*z1)/(16*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s23*s234*z14) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z1)/(16*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z1)/(16*s14*s23*s234*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s14*s23*s234*z14) + 
   (CF*(-CA + 2*CF)*s1234*s24*z1)/(2*s12*s124^2*z14) - 
   (CF*(-CA + 2*CF)*D*s1234*s24*z1)/(4*s12*s124^2*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s12*s123*s124*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s12*s123*s134*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s124*s134*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(s12*s124*s134*z14) + (CF*(-CA + 2*CF)*s1234*s24*z1)/
    (2*s124^2*s14*z14) - (CF*(-CA + 2*CF)*D*s1234*s24*z1)/
    (4*s124^2*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s14*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s123*s124*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s134*s14*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s124*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (s124*s134*s14*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z1)/(s12*s123*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (2*s12*s123*s134*s14*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s12*s124*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (s12*s124*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s23*z14) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s124*s14*s23*z14) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s124*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (16*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (8*s12*s124*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s134*s14*s23*z14) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s14*s23*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s124*s14*s234*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s124*s14*s234*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s134*s14*s234*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s23*s234*z14) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s23*s234*z14) + (CF*(-CA + 2*CF)*s1234*s24^2*z1)/
    (2*s12*s124^2*s14*z14) - (CF*(-CA + 2*CF)*D*s1234*s24^2*z1)/
    (4*s12*s124^2*s14*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s12*s123*s124*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z1)/
    (2*s12*s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s124*s14*s23*z14) + (3*CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s134*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s124*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s134*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s134*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s134*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s23*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s134*s14*s23*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s124*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s134*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z1)/(s124*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s134*s14*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s12*s1234*s24*z1)/
    (16*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s124*s14*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s124*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s14*s23*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s12*s123*s124*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s12*s123*s134*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s123*s124*s14*z14) + (CF*(-CA + 2*CF)*s1234*s34*z1)/(2*s134^2*s14*z14) - 
   (CF*(-CA + 2*CF)*D*s1234*s34*z1)/(4*s134^2*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(16*s12*s134*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s12*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z1)/
    (s12*s123*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s123*s23*z14) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s13*s34*z1)/
    (16*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s134*s14*s23*z14) + (3*CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s134*s14*s23*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s134*s14*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s134*s14*s234*z14) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s14*s23*s234*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*s34*z1)/(s12*s123*s124*s14*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1)/
    (s12*s123*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24*s34*z1)/(2*s12*s123*s134*s14*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1)/
    (s12*s124*s134*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24*s34*z1)/(s12*s124*s134*s14*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s24*s34*z1)/(16*s12*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/(32*s12*s123*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s24*s34*z1)/(16*s12*s124*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/(32*s12*s124*s14*s23*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34^2*z1)/
    (s12*s123*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*s34^2*z1)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s12*s124*z12*z14) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s12*s134*z12*z14) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s12*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s12*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s12*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s12*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s12*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s34*z1^2)/
    (16*s12*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/
    (16*s12*s124*s14*s23*z12*z14) - (5*CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s123*z12) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s123*z12) - 
   (CF*(-CA + 2*CF)*s1234*z2)/(2*s124^2*z12) - (CA*(CA - 2*CF)*s1234*z2)/
    (4*s12*s124*z12) + (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s124*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s124*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s124*z12) - (CA*(CA - 2*CF)*s1234*z2)/(4*s12*s134*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s134*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s134*s14*z12) - 
   (CF*(-CA + 2*CF)*s1234*s14*z2)/(2*s12*s124^2*z12) - 
   (5*CA*(CA - 2*CF)*s1234*z2)/(16*s123*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s123*s23*z12) + 
   (5*CA*(CA - 2*CF)*s1234*z2)/(16*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s23*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s23*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s124*s23*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z2)/
    (s12*s123*s124*z12) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s12*s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s14*z2)/(2*s12*s123*s234*z12) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s123*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(2*s123*s23*s234*z12) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(2*s124*s23*s234*z12) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2)/
    (s12*s123*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s14*z2)/(2*s12*s123*s23*s234*z12) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14^2*z2)/
    (s12*s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s14^2*z2)/(2*s12*s124*s23*s234*z12) - 
   (CF*(-CA + 2*CF)*s1234*s24*z2)/(2*s12*s124^2*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s24*z2)/(16*s12*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(32*s12*s124*s23*z12) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z2)/
    (s12*s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s24*z2)/(2*s12*s124*s23*s234*z12) + 
   (5*CA*(CA - 2*CF)*s1234*z2)/(16*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s124*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*z2)/(16*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s34*z12) + 
   (7*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s123*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s123*s23*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s13*s14*z2)/(16*s12*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/(32*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(4*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(4*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2)/(4*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/(32*s12*s23*s234*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s14^2*z2)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14^2*z2)/(16*s12*s23*s234*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s24*z2)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(32*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(8*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(32*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s12*s123*s23*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s14*s24*z2)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/(16*s12*s23*s234*s34*z12) - 
   (CF*(-CA + 2*CF)*s1234*z2)/(2*s124^2*z14) + (CF*(-CA + 2*CF)*D*s1234*z2)/
    (4*s124^2*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/
    (s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/
    (2*s123*s124*z14) + (CA*(CA - 2*CF)*s1234*z2)/(16*s12*s134*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s134*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s12*s123*s134*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s124*s134*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s12*s124*s134*z14) - (CF*(-CA + 2*CF)*s1234*s14*z2)/
    (2*s12*s124^2*z14) + (CF*(-CA + 2*CF)*D*s1234*s14*z2)/
    (4*s12*s124^2*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s12*s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s14*z2)/(2*s12*s123*s124*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s12*s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(2*s12*s123*s134*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s12*s124*s134*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(s12*s124*s134*z14) + (CA*(CA - 2*CF)*s1234*z2)/
    (8*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s123*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*z2)/(16*s124*s23*z14) - 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s123*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(8*s12*s124*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z2)/(16*s134*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s123*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s124*s23*z14) - 
   (3*CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s124*s23*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s134*s234*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s23*s234*z14) - 
   (CF*(-CA + 2*CF)*s1234*s24*z2)/(2*s12*s124^2*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s24*z2)/(4*s12*s124^2*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2)/
    (s12*s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z2)/(2*s12*s123*s124*z14) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s12*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s123*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s23*z14) - (3*CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s124*s23*z14) - (CA*(CA - 2*CF)*s1234*z2)/(16*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s124*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s134*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s134*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s134*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s134*s23*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*z2)/
    (s124*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s134*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s124*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s134*s234*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*z2)/
    (16*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s124*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z2)/(s124*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s23*s234*s34*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s12*s123*s134*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (2*s12*s123*s134*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s12*s124*s134*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (s12*s124*s134*z14) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s12*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s12*s124*s23*z14) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s123*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s124*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s134*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s123*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s12*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*z1)/(16*s12*s123*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s123*z23) + 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s124*z23) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s12*s124*z23) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     z1)/(s123*s134*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     z1)/(2*s123*s134*z23) - (9*CA*(CA - 2*CF)*s1234*z1)/(16*s134*s14*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z1)/(16*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s23*z23) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z1)/
    (s123*s134*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z1)/(2*s123*s134*s23*z23) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s134*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(2*s123*s134*s23*z23) - (5*CA*(CA - 2*CF)*s12*s1234*z1)/
    (16*s134*s14*s23*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1)/
    (16*s134*s14*s23*z23) - (5*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (16*s134*s14*s23*z23) + (3*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s234*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s134*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z1)/
    (2*s134*s234*z23) - (5*CA*(CA - 2*CF)*s1234*z1)/(16*s14*s234*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s14*s234*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s123*s124*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s12*s123*s124*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s14*z23) + (9*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s14*z23) - (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s14*z23) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s123*s124*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s123*s124*s23*z23) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s12*s123*s124*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (2*s12*s123*s124*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (4*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s134*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s134*s14*s23*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s12*s124*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s12*s124*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s23*s234*z23) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s134*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s134*s23*s234*z23) + (5*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (16*s12*s124*s14*s23*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s12*s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z1)/
    (2*s12*s124*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*z1)/(8*s134*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s123*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s123*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s134*s14*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s134*s14*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s123*s23*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s123*s23*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s12*s123*s23*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(32*s12*s123*s23*s34*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1)/(16*s134*s14*s23*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s134*s14*s23*s34*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s14*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s14*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(8*s134*s14*s23*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s134*s14*s23*s34*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s12*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s12*s23*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s14*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s14*s23*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z1)/(16*s12*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s12*s123*s14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z1)/(16*s12*s124*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s12*s124*s14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z1)/(16*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(8*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s124*s14*s23*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z1)/(16*s12*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/(32*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1)/(8*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/(32*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(4*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s134*s14*s23*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z1)/(16*s12*s23*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s12*s23*s234*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s134*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s14*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (8*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (16*s12*s124*s14*s23*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1)/(s12*s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (2*s12*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s34^2*z1)/
    (16*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s134*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1^2)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (4*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (16*s12*s124*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z1^2)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s134*s14*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (8*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (4*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (16*s12*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (32*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s34*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s134*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34^2*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34^2*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34^2*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34^2*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s123*z23) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s123*z23) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s12*s124*z23) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s12*s124*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*
     z2)/(s12*s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*z2)/(2*s12*s123*s124*z23) - (3*CA*(CA - 2*CF)*s1234*z2)/
    (16*s123*s23*z23) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s123*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s124*s23*z23) + (3*CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s124*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s124*s23*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z2)/(8*s134*s23*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s23*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z2)/(4*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z2)/(16*s134*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s134*s14*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s123*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(2*s123*s124*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2)/
    (s12*s123*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s14*z2)/(2*s12*s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s12*s124*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(2*s12*s124*s234*z23) - (5*CA*(CA - 2*CF)*s1234*z2)/
    (16*s23*s234*z23) + (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z2)/(8*s14*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s14*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(16*s12*s124*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s124*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(4*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(8*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(4*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s12*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(4*s12*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s12*s124*s14*s23*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z2)/
    (s12*s124*s23*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s24*z2)/(2*s12*s124*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s134*s34*z23) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s134*s34*z23) + (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s123*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s123*s34*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z2)/(16*s134*s23*s34*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s134*s23*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s123*s23*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s123*s23*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2)/(16*s12*s123*s23*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/(32*s12*s123*s23*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(8*s134*s23*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(32*s134*s23*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s134*s14*s23*s34*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z2)/(16*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(32*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z2)/(8*s14*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s14*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2)/(16*s12*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/(32*s12*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s124*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(16*s12*s124*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(4*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(16*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(8*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2)/(4*s12*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/(16*s12*s123*s14*s23*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z2)/
    (s12*s124*s23*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s34*z2)/(2*s12*s124*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(16*s12*s123*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(16*s123*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(16*s12*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s123*s14*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s123*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s124*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s12*s123*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/(16*s12*s124*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s123*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s123*s23*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1*z2)/(8*s12*s123*s23*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s234*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s123*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s123*s23*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s12*s123*s23*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s234*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z2)/(8*s12*s23*s234*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/(16*s12*s23*s234*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s12*s123*s14*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s12*s124*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s124*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(16*s12*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(16*s12*s124*s14*s23*z12*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z2)/(16*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(32*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(32*s124*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s12*s124*s23*z14*z23) - 
   (5*CA*(CA - 2*CF)*s1234*z1*z2)/(16*s134*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z2)/(8*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s134*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/(16*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(4*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/(16*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(8*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/(32*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/(32*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/(8*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/(32*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/(32*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z2)/(16*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1*z2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/(16*s14*s23*s234*s34*z14*z23) - 
   (7*CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s12*s123*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(32*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(2*s12*s124*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(32*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(32*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(32*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(8*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z2)/(32*s12*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z2)/(32*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(8*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/(8*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34^2*z1*z2)/(32*s12*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34^2*z1*z2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z2^2)/(16*s12*s123*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z2^2)/(16*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z2^2)/(16*s124*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s12*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(16*s12*s124*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(16*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(16*s12*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(16*s12*s123*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(16*s123*s23*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/(16*s12*s123*s23*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(16*s12*s234*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2^2)/(16*s12*s23*s234*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z2^2)/(8*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2^2)/(32*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z2^2)/(16*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2^2)/(32*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(32*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(32*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(4*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/(16*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(8*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/(16*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z2^2)/(16*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(8*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/(32*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(16*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/(32*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z2^2)/(16*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(8*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(16*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(8*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/(32*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(16*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/(32*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s12*s123*z12) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s12*s123*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*z3)/
    (s123*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/
    (s124*s134*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*
     z3)/(s12*s123*s134*z12) - (CA*(CA - 2*CF)*s1234*z3)/(8*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s12*s124*s134*z12) - (CA*(CA - 2*CF)*s1234*z3)/(16*s123*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s124*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*z3)/(16*s12*s123*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s12*s123*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s124*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s124*s23*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s23*z3)/
    (s12*s123*s134*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z3)/(s12*s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (2*s12*s123*s234*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s123*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (2*s123*s23*s234*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (2*s124*s23*s234*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z3)/(s12*s123*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z3)/
    (2*s12*s123*s23*s234*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14^2*z3)/(s12*s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14^2*z3)/
    (2*s12*s124*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s12*s124*s134*z12) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s23*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z3)/(s12*s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z3)/
    (2*s12*s124*s23*s234*z12) - (CA*(CA - 2*CF)*s1234*z3)/(16*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*z3)/(16*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(16*s12*s134*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s134*s34*z12) - 
   (7*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s123*s23*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s123*s23*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z3)/(16*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/(32*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z3)/(16*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z3)/(8*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/(32*s12*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s14^2*z3)/(16*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14^2*z3)/(16*s12*s23*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z3)/(16*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/(16*s12*s23*s234*s34*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s124*z14) - 
   (CF*(-CA + 2*CF)*s1234*z3)/(2*s134^2*z14) + (CF*(-CA + 2*CF)*D*s1234*z3)/
    (4*s134^2*z14) - (CA*(CA - 2*CF)*s1234*z3)/(16*s12*s134*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s134*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z3)/(s12*s123*s124*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s12*s123*s134*z14) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s124*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(16*s12*s123*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s134*s23*z14) - 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s124*s23*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s134*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(2*s134*s234*z14) + 
   (CA*(CA - 2*CF)*s1234*z3)/(8*s23*s234*z14) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s23*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*
     z3)/(s12*s123*s124*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s23*z14) + (CA*(CA - 2*CF)*s1234*z3)/(16*s124*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s34*z14) - 
   (CF*(-CA + 2*CF)*s1234*s13*z3)/(2*s134^2*s34*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*z3)/(4*s134^2*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s124*s134*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(s124*s134*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s12*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s12*s134*s34*z14) + (CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s124*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s124*s34*z14) - (CF*(-CA + 2*CF)*s1234*s14*z3)/
    (2*s134^2*s34*z14) + (CF*(-CA + 2*CF)*D*s1234*s14*z3)/
    (4*s134^2*s34*z14) - (CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s134*s34*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s124*s134*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (s124*s134*s34*z14) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (16*s134*s23*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s23*s34*z14) - (3*CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s134*s23*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s134*s23*s34*z14) - (3*CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s134*s23*s34*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s124*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (2*s124*s234*s34*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3)/(s134*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z3)/
    (2*s134*s234*s34*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s124*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (2*s124*s234*s34*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s134*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (2*s134*s234*s34*z14) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (16*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (8*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s34*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s124*s134*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (s124*s134*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s134*s23*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (8*s134*s23*s34*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s124*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s124*s234*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s23*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s34*z3)/(s12*s123*s134*z14) - (CA*(CA - 2*CF)*s1234*s34*z3)/
    (16*s12*s123*s23*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s123*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s134*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s134*s34*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*z3)/
    (16*s12*s123*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s123*z23) + 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s12*s124*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s12*s124*z23) - (5*CA*(CA - 2*CF)*s1234*z3)/(16*s123*s23*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(8*s124*s23*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s23*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s12*s123*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s12*s123*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(8*s12*s124*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s12*s124*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s134*s23*z23) + (3*CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s134*s23*z23) + (CA*(CA - 2*CF)*s12*s1234*z3)/(8*s134*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(8*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s134*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(4*s14*s23*s234*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s14*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(4*s14*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s14*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s23*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s134*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(2*s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s23*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*z3)/(16*s134*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s123*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s123*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s134*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(2*s123*s134*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (16*s134*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s134*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s123*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s14*z3)/
    (16*s12*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/
    (32*s12*s123*s23*s34*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s12*s1234*s14*z3)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s14*z3)/
    (2*s123*s134*s23*s34*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z3)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z3)/
    (2*s123*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*z3)/(16*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s134*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(2*s134*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (4*s134*s23*s34*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s23*s234*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (4*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/
    (16*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (16*s12*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/
    (32*s12*s23*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z3)/(s134*s23*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z3)/
    (2*s134*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s34*z3)/
    (16*s12*s124*s23*z23) + (CA*(CA - 2*CF)*s1234*s34*z3)/
    (8*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s34*z3)/
    (4*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z3)/
    (16*s124*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z3)/
    (8*s12*s123*s14*s23*z23) + (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s124*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s124*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s134*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (8*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (4*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (4*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s14*s23*s234*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s123*s23*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s124*s23*z14*z23) - (5*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (4*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (4*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (8*s134*s23*s34*z14*z23) + (7*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s134*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z3)/
    (32*s134*s14*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z3)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s14*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/
    (4*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z3)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34^2*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s12*s123*z12*z23) + (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s23*z12*z23) - (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s124*s23*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s123*s23*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s23*s234*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (16*s12*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (16*s12*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s134*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s134*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z3^2)/
    (16*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z3^2)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z3^2)/
    (16*s134*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z3^2)/
    (32*s134*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (8*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z3^2)/
    (8*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z3^2)/
    (32*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z3^2)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/
    (32*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3^2)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/
    (32*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/
    (16*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z3^2)/
    (8*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/
    (32*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3^2)/
    (8*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/
    (32*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (4*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (32*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (8*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (32*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z3^2)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s123*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s123*z34) - 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s12*s124*z34) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s12*s124*z34) + (CF*(-CA + 2*CF)*s1234*z1)/(2*s134^2*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s134*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s134*z34) + 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s124*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s124*s14*z34) + 
   (CF*(-CA + 2*CF)*s1234*s13*z1)/(2*s134^2*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s134*s14*z34) - (5*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s134*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s12*s134*s14*z34) - (5*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (16*s12*s123*s23*z34) - (5*CA*(CA - 2*CF)*s1234*z1)/(16*s134*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s23*z34) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s134*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(2*s123*s134*s23*z34) - (5*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s134*s14*s23*z34) - (5*CA*(CA - 2*CF)*s1234*s14*z1)/
    (16*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1)/
    (16*s12*s123*s23*z34) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z1)/(s123*s134*s23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z1)/
    (2*s123*s134*s23*z34) - (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*s23*z1)/
    (4*s12*s134*s14*z34) - (7*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s234*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s234*z34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z1)/
    (2*s123*s234*z34) + (5*CA*(CA - 2*CF)*s1234*z1)/(16*s14*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s14*s234*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s134*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s12*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s124*s134*s14*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s23*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s123*s134*s23*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s123*s134*s23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s14*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s124*s14*s234*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s134*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s123*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s134*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s124*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s134*s14*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s124*s134*s14*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s12*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s134*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s134*s23*s34*z34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s123*s134*s23*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z1)/(2*s123*s134*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s134*s14*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(32*s134*s14*s23*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z1)/(16*s12*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z1)/(16*s12*s123*s23*s34*z34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z1)/
    (s123*s134*s23*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s24*z1)/(2*s123*s134*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1)/(16*s12*s124*s14*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s123*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s123*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*s24*z1)/(s124*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s123*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s124*s14*s234*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s12*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s12*s23*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z1)/
    (s123*s23*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2*z1)/(2*s123*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s14*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s14*s23*s234*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z1)/(16*s12*s124*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s12*s124*s14*z34) + 
   (CF*(-CA + 2*CF)*s1234*s34*z1)/(2*s134^2*s14*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s34*z1)/(16*s12*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s12*s134*s14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z1)/(16*s12*s123*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s12*s123*s23*z34) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s123*s134*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s123*s134*s23*z34) - (5*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s134*s14*s23*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s134*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s23*s234*z34) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s123*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s123*s23*s234*z34) + (5*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s12*s123*z12*z34) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s12*s124*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (32*s12*s124*z12*z34) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s12*s134*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (32*s12*s134*z12*z34) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (4*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (16*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (32*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (16*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (32*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1^2)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (32*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (32*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s124*s14*z12*z34) - (5*CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s134*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s124*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z1^2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s12*s123*s23*s34*z12*z34) - (5*CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s124*z34) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s124*z34) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s12*s134*z34) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s12*s134*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/
    (s124*s134*z34) - (CA*(CA - 2*CF)*s1234*z2)/(8*s124*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s134*s14*z34) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s134*s23*z34) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s134*s23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s123*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s123*s23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s123*s134*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(2*s123*s134*s23*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*z2)/(s124*s234*z34) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s23*s234*z34) - 
   (7*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s23*s234*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s23*s234*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s123*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(2*s123*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s134*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s124*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (8*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s134*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s124*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s23*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (16*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/
    (16*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s134*s23*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2)/(s123*s134*s23*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z2)/
    (2*s123*s134*s23*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s14^2*z2)/
    (16*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14^2*z2)/
    (16*s12*s123*s23*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14^2*z2)/(s123*s134*s23*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14^2*z2)/
    (2*s123*s134*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s23*z2)/
    (16*s12*s124*s34*z34) + (CA*(CA - 2*CF)*s1234*z2)/(16*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s234*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s234*s34*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s123*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(2*s123*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s23*z2)/
    (s124*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z2)/
    (8*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/
    (32*s12*s123*s23*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s124*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s23*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*s24*z2)/
    (16*s12*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/
    (32*s12*s23*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z2)/(s123*s23*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z2)/
    (2*s123*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s123*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s12*s123*z12*z34) + (5*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s124*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s12*s124*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (2*s12*s134*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s12*s134*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s134*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s12*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s23*s234*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s23*s234*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s134*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s123*s23*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s123*s23*z12*z34) - (9*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s23*s234*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14^2*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z2)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (32*s12*s23*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*s24*z1*z2)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z2)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/
    (32*s12*s123*s23*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (2*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s12*s124*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (4*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (16*s12*s123*s23*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (8*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14^2*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14^2*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2^2)/
    (16*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (32*s12*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14^2*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14^2*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*s24*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*z3)/
    (16*s12*s124*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s124*z34) - 
   (CF*(-CA + 2*CF)*s1234*z3)/(2*s134^2*z34) + (5*CA*(CA - 2*CF)*s1234*z3)/
    (16*s12*s134*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s134*z34) + 
   (5*CA*(CA - 2*CF)*s1234*z3)/(16*s134*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s123*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s123*s23*z34) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s134*s23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(2*s123*s134*s23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s134*s234*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z3)/(16*s23*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s23*s234*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s23*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s23*s234*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(2*s123*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*z3)/
    (4*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*z3)/(16*s124*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(8*s12*s124*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s12*s124*s34*z34) - 
   (CF*(-CA + 2*CF)*s1234*s13*z3)/(2*s134^2*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s134*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s12*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z3)/
    (4*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s123*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z3)/
    (8*s12*s124*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s124*s34*z34) - (CF*(-CA + 2*CF)*s1234*s14*z3)/
    (2*s134^2*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s134*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s134*s23*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s13*s14*z3)/
    (16*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/
    (16*s12*s123*s23*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s134*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s134*s23*s34*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z3)/(s123*s134*s23*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z3)/
    (2*s123*s134*s23*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s14^2*z3)/
    (16*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14^2*z3)/
    (16*s12*s123*s23*s34*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14^2*z3)/(s123*s134*s23*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14^2*z3)/
    (2*s123*s134*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z3)/
    (16*s12*s124*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z3)/
    (4*s12*s134*s34*z34) - (5*CA*(CA - 2*CF)*s1234*z3)/(16*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s234*s34*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s234*s34*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s234*s34*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(2*s123*s234*s34*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z3)/
    (s134*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (4*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/
    (32*s12*s123*s23*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s134*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s23*s234*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (16*s12*s23*s234*s34*z34) - (3*CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/
    (32*s12*s23*s234*s34*z34) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z3)/(s123*s23*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z3)/
    (2*s123*s23*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s123*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s12*s123*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s134*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s134*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s123*s23*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s123*s23*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (32*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s12*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s12*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (4*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (32*s12*s23*s234*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s134*s14*z12*z34) - (9*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s23*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (4*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (32*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (8*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z1*z3)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14^2*z1*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/
    (32*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/
    (32*s12*s134*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s134*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z3)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (2*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (8*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s134*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s12*s134*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s134*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (16*s123*s23*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14^2*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (16*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (16*s12*s134*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (16*s12*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (16*s23*s234*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14^2*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s134*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s123*z23*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s14*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s14*s234*z23*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s14*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s14*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s123*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s123*s23*s34*z23*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s23*s34*z23*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s134*s14*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s234*s34*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s14*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s23*s234*s34*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s14*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s134*s14*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s12*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s14*s23*s234*z23*z34) - (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s134*s23*z23*z34) + (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s123*s34*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s134*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (16*s12*s123*s23*s34*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s134*s23*s34*z23*z34) + (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s234*s34*z23*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (16*s12*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*z3^2)/
    (8*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z3^2)/
    (16*s12*s134*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s12*s134*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (8*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/
    (16*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s14*z3^2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z3^2)/
    (32*s12*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14^2*z3^2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14^2*z3^2)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z3^2)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (4*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/
    (16*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z3^2)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z3^2)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14^2*z3^2)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14^2*z3^2)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s12*s134*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z3^2)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z3^2)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z3^2)/
    (16*s134*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*z3^2)/
    (16*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s12*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s12*s123*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z3^2)/
    (16*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s123*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z3^2)/
    (16*s12*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*z3^2)/
    (16*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s12*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s23*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/
    (16*s12*s23*s234*s34*z23*z34) + (CF*(-CA + 2*CF)*s1234*z4)/
    (2*s124^2*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*
     z4)/(s12*s124*s134*z12) + (5*CA*(CA - 2*CF)*s1234*z4)/
    (16*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s14*z12) + 
   (CF*(-CA + 2*CF)*s12*s1234*z4)/(2*s124^2*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s124*s14*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s123*s124*s14*z12) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s123*s14*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s123*s124*s14*z12) + (CA*(CA - 2*CF)*s1234*z4)/
    (4*s134*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/(16*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s124*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z4)/(s12*s123*s134*s14*z12) - (5*CA*(CA - 2*CF)*s1234*z4)/
    (16*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s23*z12) + 
   (5*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s123*s14*s23*z12) - 
   (5*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(16*s12*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(32*s12*s123*s14*s23*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s123*s124*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*z4)/(s12*s123*s134*s14*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z4)/
    (2*s123*s234*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s12*s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z4)/(2*s12*s123*s234*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s123*s23*s234*z12) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s23*s234*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s124*s23*s234*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z4)/(s12*s123*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z4)/
    (2*s12*s123*s23*s234*z12) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z4)/(s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z4)/
    (2*s124*s23*s234*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z4)/(s12*s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z4)/
    (2*s12*s124*s23*s234*z12) + (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (2*s124^2*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z4)/(s12*s124*s134*s14*z12) - (5*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s124*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s124*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s124*s14*s23*z12) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (2*s124*s23*s234*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s12*s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (2*s12*s124*s23*s234*z12) - (7*CA*(CA - 2*CF)*s1234*z4)/
    (16*s123*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s134*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s134*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s134*s34*z12) - (5*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s124*s14*s34*z12) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s124*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s124*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s124*s14*s34*z12) - (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s14*s34*z12) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s14*s34*z12) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (4*s134*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s34*z12) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s134*s14*s34*z12) + (CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s123*s23*s34*z12) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s123*s23*s34*z12) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s123*s23*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s123*s23*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s123*s23*s34*z12) - (CA*(CA - 2*CF)*s1234*s23*z4)/
    (4*s124*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s134*s14*s34*z12) + (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (16*s12*s134*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*z4)/(4*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(8*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(32*s12*s23*s234*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s14*z4)/(16*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z4)/(16*s23*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z4)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z4)/(16*s12*s23*s234*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s24*z4)/(16*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(32*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(8*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(32*s12*s134*s14*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s24*z4)/(16*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s23*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s12*s23*s234*s34*z12) + 
   (CF*(-CA + 2*CF)*s1234*z4)/(2*s124^2*z14) - (CF*(-CA + 2*CF)*D*s1234*z4)/
    (4*s124^2*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/
    (s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z4)/
    (2*s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*
     z4)/(s12*s123*s124*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*z4)/(s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*z4)/(2*s123*s134*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s124*s134*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z4)/(s124*s134*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s12*s123*s134*z14) + (CF*(-CA + 2*CF)*s12*s1234*z4)/(2*s124^2*s14*z14) - 
   (CF*(-CA + 2*CF)*D*s12*s1234*z4)/(4*s124^2*s14*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s123*s124*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s124*s14*z14) + (CF*(-CA + 2*CF)*s1234*s13*z4)/(2*s134^2*s14*z14) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z4)/(4*s134^2*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s134*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s134*s14*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s123*s134*s14*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s124*s134*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(s124*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z4)/(s12*s123*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*z4)/
    (16*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s124*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(8*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s123*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s124*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s124*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s123*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s124*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(16*s12*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s134*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s134*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s134*s14*s23*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s134*s14*s234*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s134*s14*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s134*s14*s234*z14) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s14*s23*s234*z14) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s23*s234*z14) + (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (2*s124^2*s14*z14) - (CF*(-CA + 2*CF)*D*s1234*s24*z4)/
    (4*s124^2*s14*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s123*s124*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (2*s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z4)/(s12*s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s124*s14*s23*z14) + (3*CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z4)/(16*s124*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s34*z14) + 
   (CF*(-CA + 2*CF)*s1234*s13*z4)/(2*s134^2*s34*z14) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z4)/(4*s134^2*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s134*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s134*s34*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s124*s134*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(s124*s134*s34*z14) + (CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s124*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s124*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s124*s14*s34*z14) + (CF*(-CA + 2*CF)*s1234*s13^2*z4)/
    (2*s134^2*s14*s34*z14) - (CF*(-CA + 2*CF)*D*s1234*s13^2*z4)/
    (4*s134^2*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s34*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z4)/(s124*s134*s14*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z4)/
    (s124*s134*s14*s34*z14) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s134*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s134*s14*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s23*s34*z14) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s23*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s23*s34*z14) + (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s23*s34*z14) - (3*CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (16*s134*s14*s23*s34*z14) + (3*CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/
    (32*s134*s14*s23*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s134*s14*s23*s34*z14) + (3*CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s134*s14*s23*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*z4)/(s124*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s124*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s124*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s134*s234*s34*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s134*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s134*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12^2*
     s1234*z4)/(s124*s14*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z4)/
    (s124*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s13*z4)/(2*s124*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z4)/
    (s134*s14*s234*s34*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z4)/(s134*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z4)/
    (2*s134*s14*s234*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s12^2*s1234*z4)/
    (16*s14*s23*s234*s34*z14) - (3*CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (16*s14*s23*s234*s34*z14) + (3*CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/
    (32*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (8*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s124*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s124*s14*s34*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s124*s134*s14*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (s124*s134*s14*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (8*s134*s14*s23*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z4)/(s124*s14*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z4)/
    (s124*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z4)/(2*s124*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z4)/(16*s14*s23*s234*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s14*s23*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z4)/
    (s123*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z4)/(2*s123*s134*s14*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z4)/
    (s124*s134*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z4)/(s124*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z4)/(s12*s123*s134*s14*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z4)/(16*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z4)/(16*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z4)/(16*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z4)/(16*s12*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(4*s12*s123*z12*z14) - 
   (CF*(-CA + 2*CF)*s1234*z1*z4)/(s124^2*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1*z4)/
    (s123*s124*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z1*z4)/(s12*s123*s124*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s12*s134*z12*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     z1*z4)/(s123*s134*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1*z4)/
    (s124*s134*z12*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z1*z4)/(s12*s123*s134*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1*z4)/
    (s12*s124*s134*z12*z14) - (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s123*s14*z12*z14) - (CF*(-CA + 2*CF)*s12*s1234*z1*z4)/
    (2*s124^2*s14*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z1*z4)/(s123*s124*s14*z12*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s12*s123*s14*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1*z4)/
    (s123*s124*s14*z12*z14) - (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s134*s14*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s134*s14*z12*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z1*z4)/(s123*s134*s14*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1*z4)/
    (s124*s134*s14*z12*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z1*z4)/(s12*s123*s134*s14*z12*z14) - 
   (CF*(-CA + 2*CF)*s1234*s14*z1*z4)/(2*s12*s124^2*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z1*z4)/
    (s12*s124*s134*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s123*s23*z12*z14) + (7*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (4*s12*s123*s23*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s124*s23*z12*z14) - (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s123*s14*s23*z12*z14) + (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s124*s14*s23*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s123*s14*s23*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s124*s14*s23*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s12*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (4*s12*s124*s23*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1*z4)/(s12*s123*s124*z12*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1*z4)/
    (s12*s123*s134*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1*z4)/(s123*s124*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(4*s12*s134*s14*z12*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z1*z4)/
    (s12*s123*s134*s14*z12*z14) - (CF*(-CA + 2*CF)*s1234*s24*z1*z4)/
    (s12*s124^2*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1*z4)/(s12*s124*s134*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s12*s123*s14*z12*z14) - (CF*(-CA + 2*CF)*s1234*s24*z1*z4)/
    (s124^2*s14*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1*z4)/(s123*s124*s14*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1*z4)/
    (s12*s123*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s12*s134*s14*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1*z4)/(s12*s124*s134*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(2*s12*s124*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(4*s123*s14*s23*z12*z14) + 
   (7*CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s124*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(4*s12*s123*s14*s23*z12*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s12*s124*s14*s23*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1*z4)/
    (s12*s123*s124*s14*z12*z14) - (CF*(-CA + 2*CF)*s1234*s24^2*z1*z4)/
    (2*s12*s124^2*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (4*s12*s124*s14*s23*z12*z14) + (7*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s34*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s124*s34*z12*z14) - (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s134*s34*z12*z14) - (7*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s134*s34*z12*z14) + (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s124*s14*s34*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s124*s14*s34*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s134*s14*s34*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s12*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (4*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (4*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (4*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (4*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (4*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (4*s12*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (2*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s12*s134*s34*z12*z14) + (7*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s124*s14*s34*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (4*s12*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (4*s12*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (4*s12*s124*s14*s34*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1*z4)/
    (s12*s124*s134*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s12*s123*s14*z12*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1*z4)/(s123*s134*s14*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1*z4)/
    (s124*s134*s14*z12*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z1*z4)/(s12*s123*s134*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(8*s12*s124*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(8*s123*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(8*s124*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z4)/(8*s12*s123*s14*s23*z12*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z1*z4)/
    (s12*s123*s134*s14*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1*z4)/
    (s12*s124*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z4)/
    (8*s12*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z4)/
    (8*s12*s124*z23) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/
    (s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z4)/
    (2*s123*s124*z23) - (5*CA*(CA - 2*CF)*s1234*z4)/(16*s123*s14*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s14*z23) - 
   (9*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s14*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s124*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s14*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s123*s124*s23*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s123*s124*s23*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (4*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (8*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*s12*s1234*z4)/
    (8*s134*s14*s23*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (4*s134*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s23*z23) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*z4)/(s124*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*z4)/(2*s124*s234*z23) - (3*CA*(CA - 2*CF)*s1234*z4)/
    (16*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z4)/(32*s23*s234*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s23*s234*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s134*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s14*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s14*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s23*s234*z23) - (5*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s23*z23) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s124*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (2*s124*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*z4)/(16*s123*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s34*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s134*s34*z23) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s134*s34*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s123*s134*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s123*s134*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s14*s34*z23) + (9*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s34*z23) - (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s123*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s123*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s123*s23*s34*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13*z4)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z4)/
    (2*s123*s134*s23*s34*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z4)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z4)/
    (2*s123*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s12^2*s1234*z4)/
    (16*s134*s14*s23*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (8*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/
    (16*s134*s14*s23*s34*z23) + (5*CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*z4)/(16*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s234*s34*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s134*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s134*s234*s34*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s14*s234*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z4)/
    (8*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/
    (32*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (4*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s134*s14*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s23*s234*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s23*s234*s34*z23) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s134*s23*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (2*s134*s23*s234*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s24*z4)/
    (16*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/
    (32*s14*s23*s234*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s14*s23*s234*s34*z23) - (5*CA*(CA - 2*CF)*s1234*s34*z4)/
    (16*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z4)/
    (16*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z4)/
    (16*s12*s124*s14*s23*z23) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z4)/(s124*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z4)/
    (2*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s12*s123*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (8*s12*s123*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (16*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s124*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (4*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s134*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s134*s23*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/
    (32*s12*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s14*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s14*s234*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s23*s234*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s14*s23*s234*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (32*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12^2*s1234*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (8*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (8*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z4)/
    (32*s134*s14*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (32*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (16*s14*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (16*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s24*z1*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/
    (32*s134*s14*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s12*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s34*z1*z4)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z4)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z4)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s134*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s34^2*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s123*s14*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s124*s23*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s123*s14*s23*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s124*s14*s23*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s12*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s124*s14*s23*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s12*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s12*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s12*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (4*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s123*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s12*s123*s23*z14*z23) + (7*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s134*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s134*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (8*s12*s124*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s134*s23*s34*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s134*s23*s34*z14*z23) - (5*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/
    (4*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (4*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (4*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s23*s234*s34*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12^2*s1234*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (8*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/
    (16*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (4*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z2*z4)/
    (32*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z2*z4)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (4*s12*s123*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (8*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (8*s12*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (4*s123*s23*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (8*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (4*s12*s123*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (8*s12*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2*z4)/
    (8*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2*z4)/
    (8*s124*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (4*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (8*s124*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z4)/
    (8*s12*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z1*z2*z4)/
    (4*s12*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (8*s12*s123*s14*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (8*s12*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (8*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (4*s124*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/
    (8*s12*s123*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/(8*s12*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z4)/(8*s12*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(8*s12*s123*s14*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(8*s12*s124*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(8*s123*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(8*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2*z4)/(8*s12*s123*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2*z4)/(8*s12*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s123*s23*z14*z23) - 
   (5*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s134*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s12*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(32*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s124*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(32*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(2*s134*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(32*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s134*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3*z4)/(32*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/(32*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(4*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(16*s134*s23*s34*z14*z23) - 
   (7*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(32*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/(8*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3*z4)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/(32*s14*s23*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(16*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s134*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3*z4)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(32*s134*s14*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(8*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3*z4)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(32*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(16*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(16*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(8*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z3*z4)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4)/(2*s12*s124*z34) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (8*s12*s124*z34) - (CF*(-CA + 2*CF)*s1234*z4)/(s134^2*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*z4)/(4*s134^2*z34) + (CA*(CA - 2*CF)*s1234*z4)/
    (2*s12*s134*z34) - (CA*(CA - 2*CF)*D*s1234*z4)/(8*s12*s134*z34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s124*s134*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z4)/(s124*s134*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s124*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*
     z4)/(s124*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s134*s14*z34) - (3*CA*(CA - 2*CF)*s1234*z4)/(16*s123*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s134*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s123*s134*s23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s134*s23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s123*s134*s23*z34) - (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s14*s23*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s23*z34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*z4)/(s124*s234*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     D*s1234*z4)/(s124*s234*z34) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s134*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z4)/(s134*s234*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s124*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*z4)/(16*s23*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s23*s234*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s123*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s123*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z4)/(2*s123*s23*s234*z34) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s23*s234*z34) - (3*CA*(CA - 2*CF)*s1234*z4)/(8*s123*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s34*z34) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s124*s34*z34) - 
   (5*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s34*z34) - 
   (CF*(-CA + 2*CF)*s1234*s13*z4)/(s134^2*s34*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*z4)/(4*s134^2*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s134*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s124*s134*s34*z34) + (9*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s134*s34*z34) - (5*CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s134*s34*z34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s124*s134*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (s124*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z4)/(s124*s134*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*z4)/
    (4*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z4)/
    (16*s12*s123*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z4)/
    (2*s12*s124*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z4)/
    (8*s12*s124*s34*z34) - (CF*(-CA + 2*CF)*s1234*s14*z4)/(s134^2*s34*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*s14*z4)/(4*s134^2*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z4)/(2*s12*s134*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z4)/(8*s12*s134*s34*z34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z4)/
    (s124*s134*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z4)/(s124*s134*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (16*s12*s123*s23*s34*z34) - (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s23*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z4)/(s123*s134*s23*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z4)/
    (2*s123*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z4)/(s123*s134*s23*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z4)/
    (2*s123*s134*s23*s34*z34) - (3*CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (16*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/
    (32*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s134*s14*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s134*s14*s23*s34*z34) - (5*CA*(CA - 2*CF)*s1234*s14*z4)/
    (16*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z4)/
    (16*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z4)/
    (16*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z4)/
    (16*s12*s123*s23*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s14*z4)/(s123*s134*s23*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s14*z4)/
    (2*s123*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z4)/(s123*s134*s23*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z4)/
    (2*s123*s134*s23*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s23*z4)/
    (8*s12*s124*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (2*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (8*s12*s134*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*z4)/(16*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s234*s34*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s123*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s123*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z4)/(2*s123*s234*s34*z34) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s14*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z4)/
    (8*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z4)/
    (16*s12*s234*s34*z34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s124*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (s124*s234*s34*z34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z4)/(s134*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (s134*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s23*z4)/(s124*s14*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s12*s124*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s12*s124*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s12*s134*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (4*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s123*s23*s34*z34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s124*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (s124*s234*s34*z34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s134*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (s134*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z4)/(s124*s14*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s23*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z4)/(s123*s23*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z4)/
    (2*s123*s23*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s23*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s123*s23*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (2*s123*s23*s234*s34*z34) + (3*CA*(CA - 2*CF)*s12*s1234*s24*z4)/
    (16*s14*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/
    (32*s14*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s14*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s14*s23*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z4)/
    (8*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s12*s123*z12*z34) + (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s12*s124*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s12*s124*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s12*s134*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s12*s134*z12*z34) + (5*CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (8*s124*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s12*s124*s14*z12*z34) + (5*CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (8*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s123*s23*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (32*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (32*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s12*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s12*s134*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/
    (32*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (8*s12*s123*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (16*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z1*z4)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (32*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z4)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (32*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z4)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (8*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s134*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z4)/
    (32*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (8*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z4)/
    (32*s12*s134*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z1*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/
    (32*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (8*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s12*s124*z14*z34) - (CF*(-CA + 2*CF)*s1234*z1*z4)/(s134^2*z14*z34) + 
   (7*CA*(CA - 2*CF)*s1234*z1*z4)/(16*s12*s134*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1*z4)/
    (s124*s134*z14*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s14*z14*z34) - (CF*(-CA + 2*CF)*s1234*s13*z1*z4)/
    (s134^2*s14*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z1*z4)/(s124*s134*s14*z14*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s12*s134*s14*z14*z34) + 
   (7*CA*(CA - 2*CF)*s1234*z1*z4)/(16*s134*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s134*s14*s23*z14*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(4*s12*s134*s14*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z1*z4)/
    (s124*s234*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     z1*z4)/(s134*s234*z14*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s14*s234*z14*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z1*z4)/(s124*s14*s234*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1*z4)/
    (s134*s14*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s23*s234*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (8*s14*s23*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (4*s14*s23*s234*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1*z4)/(s134*s14*s234*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s124*s14*z14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s134*s14*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1*z4)/
    (s124*s134*s14*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s134*s14*s23*z14*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1*z4)/(s124*s14*s234*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1*z4)/
    (s134*s14*s234*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s14*s23*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s124*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (4*s12*s124*s34*z14*z34) - (CF*(-CA + 2*CF)*s1234*s13*z1*z4)/
    (s134^2*s34*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z1*z4)/(s124*s134*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (2*s12*s134*s34*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z1*z4)/(s124*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(4*s124*s14*s34*z14*z34) - 
   (CF*(-CA + 2*CF)*s1234*s13^2*z1*z4)/(2*s134^2*s14*s34*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z1*z4)/
    (s124*s134*s14*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (4*s12*s134*s14*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (4*s12*s124*s34*z14*z34) - (CF*(-CA + 2*CF)*s1234*s14*z1*z4)/
    (2*s134^2*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (4*s12*s134*s34*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z1*z4)/(s124*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s134*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(2*s134*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z1*z4)/(8*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/(4*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z4)/(4*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(4*s12*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(4*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(4*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(4*s12*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(4*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(4*s14*s234*s34*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1*z4)/
    (s124*s234*s34*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1*z4)/(s134*s234*s34*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z1*z4)/
    (s124*s14*s234*s34*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z1*z4)/
    (s134*s14*s234*s34*z14*z34) - (7*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s124*s34*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s134*s34*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1*z4)/(s124*s134*s34*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(4*s12*s124*s14*s34*z14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s12*s134*s14*s34*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1*z4)/
    (s124*s134*s14*s34*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s134*s23*s34*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s134*s14*s23*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (4*s12*s124*s14*s34*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1*z4)/
    (s124*s234*s34*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1*z4)/(s134*s234*s34*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s14*s234*s34*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z1*z4)/
    (s124*s14*s234*s34*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1*z4)/
    (s134*s14*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s23*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*s24*z1*z4)/
    (8*s14*s23*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (4*s14*s23*s234*s34*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1*z4)/
    (s124*s14*s234*s34*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (16*s12*s124*s14*s34*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z1*z4)/
    (s124*s14*s234*s34*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (16*s14*s23*s234*s34*z14*z34) - (CF*(-CA + 2*CF)*s1234*s34*z1*z4)/
    (2*s134^2*s14*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s12*s134*s14*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s134*s14*s23*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1*z4)/(s134*s14*s234*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/(16*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(8*s12*s124*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s12*s124*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(4*s12*s134*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s12*s134*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(8*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(4*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(2*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(8*s12*s123*s23*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z4)/(8*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(8*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(8*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(32*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s134*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(32*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/(8*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z4)/(32*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z4)/(16*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(32*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s12*s234*s34*z12*z34) - 
   (9*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(32*s12*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z4)/(32*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14^2*z2*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(32*s12*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(32*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s12*s134*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s134*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s134*s23*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s124*s34*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s12*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s134*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z4)/(4*s12*s124*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z2*z4)/(8*s12*s134*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z4)/(4*s124*s14*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(8*s12*s134*s14*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/(8*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(4*s12*s124*s14*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(8*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z4)/(8*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(8*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(4*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(8*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z4)/(8*s12*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z4)/(8*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z4)/(8*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/(8*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/(8*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/(8*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z2*z4)/(8*s12*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(4*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(8*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(8*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/(8*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/(8*s12*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z2*z4)/(8*s12*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z4)/(8*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(4*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s23*s234*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(2*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s124*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s12*s123*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s12*s124*s34*z12*z34) + 
   (5*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(2*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(8*s123*s23*s34*z12*z34) - 
   (9*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/(32*s12*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(32*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z3*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3*z4)/(32*s12*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(32*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z3*z4)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s12*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/(32*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z3*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3*z4)/(32*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14^2*z3*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(32*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(32*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s12*s134*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s134*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(8*s12*s134*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(8*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s12*s134*s14*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z3*z4)/(8*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s12*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s12*s134*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(4*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z3*z4)/(8*s12*s134*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3*z4)/(8*s12*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3*z4)/(8*s12*s134*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(8*s12*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(8*s12*s134*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(8*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z3*z4)/(8*s12*s134*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(4*s12*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s12*s134*s34*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(8*s12*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(8*s12*s134*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3*z4)/(8*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3*z4)/(8*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s12*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(16*s134*s14*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s134*s14*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z3*z4)/(8*s12*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(16*s14*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s14*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3*z4)/(8*s12*s23*s234*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z3*z4)/(8*s134*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(8*s134*s14*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(8*s14*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(8*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(4*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(8*s134*s23*s34*z14*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s134*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z1*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3*z4)/(4*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(8*s14*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s134*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s14*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(4*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3*z4)/(8*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3*z4)/(8*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(32*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s134*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(32*s14*s23*s234*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(4*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(16*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(4*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(16*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12^2*s1234*z4^2)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z4^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(8*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(32*s134*s14*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(16*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(16*s23*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12^2*s1234*z4^2)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z4^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(32*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z4^2)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z4^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(8*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(32*s134*s14*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z4^2)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z4^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(32*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z4^2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z4^2)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(16*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(4*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(16*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(32*s124*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(32*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s12*s134*s34*z12*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(32*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4^2)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4^2)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z4^2)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z4^2)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(32*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(8*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s134*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s12*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s134*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(16*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s12*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z4^2)/(16*s14*s23*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s14*s23*s234*s34*z14*z34)) + 
 k3k2*(-(CA*(CA - 2*CF)*s1234)/(2*s12*s123) + (5*CA*(CA - 2*CF)*D*s1234)/
    (16*s12*s123) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s12*s123) + 
   (CF*(-CA + 2*CF)*s1234)/s124^2 - (3*CF*(-CA + 2*CF)*D*s1234)/(4*s124^2) + 
   (CF*(-CA + 2*CF)*D^2*s1234)/(8*s124^2) - (3*CA*(CA - 2*CF)*s1234)/
    (4*s12*s124) + (3*CA*(CA - 2*CF)*D*s1234)/(8*s12*s124) - 
   (CA*(CA - 2*CF)*D^2*s1234)/(32*s12*s124) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s12*s123*s124) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/(s12*s123*s124) + 
   (CF*(-CA + 2*CF)*s1234)/s134^2 - (3*CF*(-CA + 2*CF)*D*s1234)/(4*s134^2) + 
   (CF*(-CA + 2*CF)*D^2*s1234)/(8*s134^2) - (CA*(CA - 2*CF)*s1234)/
    (4*s12*s134) + (3*CA*(CA - 2*CF)*D*s1234)/(16*s12*s134) - 
   (CA*(CA - 2*CF)*D^2*s1234)/(32*s12*s134) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234)/(s123*s134) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234)/(s123*s134) + 
   (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234)/(s124*s134) - 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234)/(s124*s134) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234)/(s124*s134) - 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s12*s123*s134) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/(s12*s123*s134) + 
   (CA*(CA - 2*CF)*D*s1234)/(16*s124*s14) - (CF*(-CA + 2*CF)*s1234*s13)/
    (s134^2*s14) + (CF*(-CA + 2*CF)*D*s1234*s13)/(2*s134^2*s14) + 
   (CA*(CA - 2*CF)*D*s1234)/(16*s134*s14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s124*s134*s14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234)/(s124*s134*s14) - 
   (CA*(CA - 2*CF)*s1234*s13)/(8*s12*s134*s14) - (CA*(CA - 2*CF)*D*s1234*s13)/
    (16*s12*s134*s14) - (CF*(-CA + 2*CF)*s1234*s14)/(s12*s124^2) + 
   (3*CF*(-CA + 2*CF)*D*s1234*s14)/(4*s12*s124^2) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s14)/(8*s12*s124^2) - 
   (26*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s12*s123*s124) + 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s12*s123*s124) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(s12*s123*s124) - (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s12*s123*s134) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s12*s123*s134) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s12*s123*s134) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s12*s124*s134) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s12*s124*s134) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s12*s124*s134) + (7*CA*(CA - 2*CF)*s1234)/(4*s123*s23) - 
   (5*CA*(CA - 2*CF)*D*s1234)/(8*s123*s23) + (CA*(CA - 2*CF)*D^2*s1234)/
    (16*s123*s23) + (5*CA*(CA - 2*CF)*s1234)/(4*s124*s23) - 
   (7*CA*(CA - 2*CF)*D*s1234)/(16*s124*s23) + (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s124*s23) - (CA*(CA - 2*CF)*s1234*s13)/(4*s12*s123*s23) - 
   (CA*(CA - 2*CF)*s1234*s13)/(2*s12*s124*s23) + (CA*(CA - 2*CF)*D*s1234*s13)/
    (4*s12*s124*s23) - (CA*(CA - 2*CF)*D^2*s1234*s13)/(32*s12*s124*s23) + 
   (5*CA*(CA - 2*CF)*s1234)/(4*s134*s23) - (7*CA*(CA - 2*CF)*D*s1234)/
    (16*s134*s23) + (CA*(CA - 2*CF)*D^2*s1234)/(32*s134*s23) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s123*s134*s23) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234)/
    (s123*s134*s23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s12*
     s1234)/(2*s123*s134*s23) + (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s123*s134*s23) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s123*s134*s23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s123*s134*s23) + (3*CA*(CA - 2*CF)*s12*s1234)/(4*s134*s14*s23) - 
   (3*CA*(CA - 2*CF)*D*s12*s1234)/(8*s134*s14*s23) + 
   (CA*(CA - 2*CF)*D^2*s12*s1234)/(32*s134*s14*s23) + 
   (3*CA*(CA - 2*CF)*s1234*s13)/(8*s134*s14*s23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13)/(16*s134*s14*s23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14)/
    (s12*s123*s124*s23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s14)/(s12*s123*s124*s23) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s134*s23) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s123*s134*s23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s123*s134*s23) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23)/(s12*s123*s124) - 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s12*s123*s134) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/(s12*s123*s134) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s12*s124*s134) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/(s12*s124*s134) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234)/(s124*s234) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234)/(s124*s234) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s134*s14*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s134*s14*s234) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/(s134*s14*s234) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s12*s123*s234) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s12*s123*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s12*s123*s234) - (16*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s12*s124*s234) + 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s12*s124*s234) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s12*s124*s234) + (7*CA*(CA - 2*CF)*s1234)/(4*s23*s234) - 
   (5*CA*(CA - 2*CF)*D*s1234)/(8*s23*s234) + (CA*(CA - 2*CF)*D^2*s1234)/
    (16*s23*s234) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/
    (s123*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234)/(s123*s23*s234) + (CA*(CA - 2*CF)*s1234*s13)/(2*s12*s23*s234) - 
   (CA*(CA - 2*CF)*D*s1234*s13)/(4*s12*s23*s234) + 
   (CA*(CA - 2*CF)*D^2*s1234*s13)/(32*s12*s23*s234) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234)/(s134*s23*s234) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s134*s23*s234) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s134*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s134*s23*s234) - (CA*(CA - 2*CF)*D*s12*s1234)/
    (16*s14*s23*s234) + (CA*(CA - 2*CF)*s1234*s13)/(4*s14*s23*s234) - 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s14*s23*s234) + 
   (CA*(CA - 2*CF)*s1234*s14)/(4*s12*s23*s234) - (CA*(CA - 2*CF)*D*s1234*s14)/
    (16*s12*s23*s234) + (24*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14)/(s123*s23*s234) - (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14)/(s123*s23*s234) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s14)/(s123*s23*s234) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s124*s23*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s124*s23*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s124*s23*s234) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14)/(s12*s123*s23*s234) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14)/
    (s12*s123*s23*s234) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s14)/(2*s12*s123*s23*s234) - 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14)/
    (s12*s124*s23*s234) + (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s14)/(s12*s124*s23*s234) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s14)/
    (2*s12*s124*s23*s234) - (2*CF*(-CA + 2*CF)*s1234*s24)/(s12*s124^2) + 
   (5*CF*(-CA + 2*CF)*D*s1234*s24)/(4*s12*s124^2) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s24)/(8*s12*s124^2) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s12*s123*s124) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s12*s123*s124) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s12*s123*s124) - (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s12*s123*s134) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s12*s123*s134) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s12*s123*s134) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24)/(s12*s124*s134) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s12*s124*s134) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s12*s124*s134) - (CF*(-CA + 2*CF)*s1234*s24)/(s124^2*s14) + 
   (CF*(-CA + 2*CF)*D*s1234*s24)/(2*s124^2*s14) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s124*s14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/(s123*s124*s14) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s123*s134*s14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s123*s134*s14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s12*s124*s134*s14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s12*s124*s134*s14) - (5*CA*(CA - 2*CF)*s1234*s24)/
    (8*s12*s124*s23) + (CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s124*s23) + 
   (8*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s123*s124*s23) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s123*s124*s23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s123*s124*s23) + (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s124*s23) - 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s124*s23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s13*s24)/(2*s12*s123*s124*s23) + (CA*(CA - 2*CF)*s1234*s24)/
    (4*s123*s14*s23) - (CA*(CA - 2*CF)*D*s1234*s24)/(16*s123*s14*s23) + 
   (3*CA*(CA - 2*CF)*s1234*s24)/(8*s124*s14*s23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s24)/(16*s124*s14*s23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s123*s14*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24)/(8*s12*s123*s14*s23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s124*s14*s23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*s24)/(16*s12*s124*s14*s23) - 
   (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/(32*s12*s124*s14*s23) + 
   (10*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s124*s23*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/
    (s124*s23*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s24)/(2*s124*s23*s234) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24)/(s12*s123*s23*s234) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s123*s23*s234) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s12*s124*s23*s234) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s12*s124*s23*s234) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*s24)/(s12*s124*s23*s234) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24)/
    (s12*s124*s23*s234) - (CA*(CA - 2*CF)*s1234)/(4*s124*s34) + 
   (3*CA*(CA - 2*CF)*D*s1234)/(16*s124*s34) - (CA*(CA - 2*CF)*D^2*s1234)/
    (32*s124*s34) - (CA*(CA - 2*CF)*s1234*s13)/(4*s12*s124*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s124*s34) - 
   (2*CF*(-CA + 2*CF)*s1234*s13)/(s134^2*s34) + 
   (5*CF*(-CA + 2*CF)*D*s1234*s13)/(4*s134^2*s34) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s13)/(8*s134^2*s34) - 
   (3*CA*(CA - 2*CF)*s1234)/(4*s134*s34) + (3*CA*(CA - 2*CF)*D*s1234)/
    (8*s134*s34) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s134*s34) - 
   (5*CA*(CA - 2*CF)*s1234*s13)/(8*s12*s134*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s12*s134*s34) - 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s124*s134*s34) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s124*s134*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s124*s134*s34) - (3*CA*(CA - 2*CF)*s1234*s14)/(2*s12*s123*s34) + 
   (7*CA*(CA - 2*CF)*D*s1234*s14)/(16*s12*s123*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s14)/(32*s12*s123*s34) - 
   (CA*(CA - 2*CF)*s1234*s14)/(s12*s124*s34) + (CA*(CA - 2*CF)*D*s1234*s14)/
    (4*s12*s124*s34) - (CF*(-CA + 2*CF)*s1234*s14)/(s134^2*s34) + 
   (3*CF*(-CA + 2*CF)*D*s1234*s14)/(4*s134^2*s34) - 
   (CF*(-CA + 2*CF)*D^2*s1234*s14)/(8*s134^2*s34) - 
   (CA*(CA - 2*CF)*s1234*s14)/(s12*s134*s34) + (CA*(CA - 2*CF)*D*s1234*s14)/
    (4*s12*s134*s34) - (16*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s14)/(s123*s134*s34) + (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14)/(s123*s134*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     D^2*s1234*s14)/(2*s123*s134*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s124*s134*s34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s124*s134*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s124*s134*s34) + (CA*(CA - 2*CF)*s12*s1234)/(4*s134*s23*s34) - 
   (CA*(CA - 2*CF)*D*s12*s1234)/(16*s134*s23*s34) - 
   (5*CA*(CA - 2*CF)*s1234*s13)/(8*s134*s23*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s13)/(16*s134*s23*s34) + 
   (CA*(CA - 2*CF)*s1234*s14)/(4*s123*s23*s34) - (CA*(CA - 2*CF)*D*s1234*s14)/
    (16*s123*s23*s34) - (5*CA*(CA - 2*CF)*s1234*s13*s14)/
    (8*s12*s123*s23*s34) + (CA*(CA - 2*CF)*D*s1234*s13*s14)/
    (8*s12*s123*s23*s34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s14)/(s123*s134*s23*s34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s14)/
    (s123*s134*s23*s34) - (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s14)/(s123*s134*s23*s34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14)/
    (s123*s134*s23*s34) - (CA*(CA - 2*CF)*s1234*s23)/(4*s12*s124*s34) - 
   (CA*(CA - 2*CF)*s1234*s23)/(4*s12*s134*s34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s124*s134*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s23)/(s124*s134*s34) - 
   (CA*(CA - 2*CF)*s1234)/(2*s234*s34) + (5*CA*(CA - 2*CF)*D*s1234)/
    (16*s234*s34) - (CA*(CA - 2*CF)*D^2*s1234)/(32*s234*s34) - 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13)/(s124*s234*s34) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s124*s234*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s124*s234*s34) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13)/(s134*s234*s34) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13)/
    (s134*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s13)/(2*s134*s234*s34) - (3*CA*(CA - 2*CF)*s1234*s14)/(2*s12*s234*s34) + 
   (7*CA*(CA - 2*CF)*D*s1234*s14)/(16*s12*s234*s34) - 
   (CA*(CA - 2*CF)*D^2*s1234*s14)/(32*s12*s234*s34) - 
   (6*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14)/(s123*s234*s34) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s123*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s123*s234*s34) - (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s124*s234*s34) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s124*s234*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(2*s124*s234*s34) - (26*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14)/(s134*s234*s34) + 
   (10*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14)/
    (s134*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s14)/(s134*s234*s34) - (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23)/(s124*s234*s34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s23)/(s124*s234*s34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23)/(s134*s234*s34) - 
   (5*CA*(CA - 2*CF)*s1234*s24)/(8*s12*s124*s34) + 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s12*s124*s34) - 
   (CA*(CA - 2*CF)*s1234*s24)/(4*s12*s134*s34) + (CA*(CA - 2*CF)*D*s1234*s24)/
    (16*s12*s134*s34) - (CA*(CA - 2*CF)*s1234*s24)/(8*s124*s14*s34) - 
   (CA*(CA - 2*CF)*D*s1234*s24)/(16*s124*s14*s34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s124*s14*s34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s134*s14*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s124*s134*s14*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s124*s134*s14*s34) + (CA*(CA - 2*CF)*s1234*s24)/
    (2*s123*s23*s34) - (CA*(CA - 2*CF)*D*s1234*s24)/(4*s123*s23*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s24)/(32*s123*s23*s34) + 
   (7*CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s123*s23*s34) - 
   (5*CA*(CA - 2*CF)*D*s1234*s13*s24)/(16*s12*s123*s23*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/(32*s12*s123*s23*s34) - 
   (CA*(CA - 2*CF)*s1234*s24)/(2*s134*s23*s34) + (CA*(CA - 2*CF)*D*s1234*s24)/
    (4*s134*s23*s34) - (CA*(CA - 2*CF)*D^2*s1234*s24)/(32*s134*s23*s34) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s123*s134*s23*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s123*s134*s23*s34) - (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s134*s14*s23*s34) + (3*CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (16*s134*s14*s23*s34) - (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/
    (32*s134*s14*s23*s34) - (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24)/(s123*s134*s23*s34) + 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24)/
    (s123*s134*s23*s34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s14*s24)/(2*s123*s134*s23*s34) - 
   (6*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s124*s234*s34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/(s124*s234*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24)/(s134*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24)/(s134*s234*s34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24)/
    (s124*s14*s234*s34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24)/(s124*s14*s234*s34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24)/
    (s124*s14*s234*s34) - (CA*(CA - 2*CF)*s1234*s24)/(4*s23*s234*s34) + 
   (7*CA*(CA - 2*CF)*s1234*s13*s24)/(8*s12*s23*s234*s34) - 
   (5*CA*(CA - 2*CF)*D*s1234*s13*s24)/(16*s12*s23*s234*s34) + 
   (CA*(CA - 2*CF)*D^2*s1234*s13*s24)/(32*s12*s23*s234*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s123*s23*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*s24)/(s123*s23*s234*s34) + 
   (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24)/
    (s134*s23*s234*s34) - (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24)/(s134*s23*s234*s34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D^2*s1234*s13*s24)/
    (2*s134*s23*s234*s34) - (CA*(CA - 2*CF)*s12*s1234*s24)/
    (8*s14*s23*s234*s34) + (3*CA*(CA - 2*CF)*s1234*s13*s24)/
    (8*s14*s23*s234*s34) - (CA*(CA - 2*CF)*D*s1234*s13*s24)/
    (8*s14*s23*s234*s34) - (5*CA*(CA - 2*CF)*s1234*s14*s24)/
    (8*s12*s23*s234*s34) + (CA*(CA - 2*CF)*D*s1234*s14*s24)/
    (8*s12*s23*s234*s34) - (12*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24)/(s123*s23*s234*s34) + 
   (5*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24)/
    (s123*s23*s234*s34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D^2*
     s1234*s14*s24)/(2*s123*s23*s234*s34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24)/
    (s134*s23*s234*s34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*s24)/(s134*s23*s234*s34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s124*s14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s124*s134*s14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34)/(s124*s134*s14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34)/
    (s12*s123*s134*s14) + (CA*(CA - 2*CF)*s1234*s34)/(4*s12*s124*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s34)/(16*s12*s124*s23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s124*s23) - 
   (CA*(CA - 2*CF)*D*s1234*s34)/(16*s123*s14*s23) + 
   (3*CA*(CA - 2*CF)*s1234*s34)/(4*s124*s14*s23) - 
   (3*CA*(CA - 2*CF)*D*s1234*s34)/(8*s124*s14*s23) + 
   (CA*(CA - 2*CF)*D^2*s1234*s34)/(32*s124*s14*s23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34)/(8*s12*s123*s14*s23) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s123*s23*s234) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34)/(s123*s23*s234) + 
   (12*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34)/(s124*s23*s234) - 
   (5*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34)/
    (s124*s23*s234) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D^2*s1234*
     s34)/(2*s124*s23*s234) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s34)/(s12*s124*s23*s234) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s34)/
    (s12*s124*s23*s234) - (CA*(CA - 2*CF)*s1234*z1)/(16*s12*s123*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s123*z12) - 
   (CF*(-CA + 2*CF)*s1234*z1)/(s124^2*z12) + (CF*(-CA + 2*CF)*D*s1234*z1)/
    (4*s124^2*z12) - (3*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s124*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s124*z12) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s124*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(s123*s124*z12) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s12*s123*s124*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(s12*s123*s124*z12) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s12*s134*z12) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     z1)/(s123*s134*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*z1)/(s123*s134*z12) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*z1)/(s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*z1)/(s124*s134*z12) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z1)/(s12*s123*s134*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z1)/
    (s12*s123*s134*z12) + (CA*(CA - 2*CF)*s1234*z1)/(16*s124*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s124*s14*z12) + 
   (3*CA*(CA - 2*CF)*s1234*z1)/(16*s134*s14*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s14*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s134*s14*z12) - 
   (CF*(-CA + 2*CF)*s1234*s14*z1)/(s12*s124^2*z12) + 
   (CF*(-CA + 2*CF)*D*s1234*s14*z1)/(4*s12*s124^2*z12) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z1)/
    (s12*s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z1)/(s12*s124*s134*z12) + (CA*(CA - 2*CF)*s1234*z1)/
    (16*s123*s23*z12) - (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s23*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s23*z12) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s124*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(s12*s123*s124*z12) + 
   (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s12*s123*s134*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s23*z1)/(s12*s123*s134*z12) + (3*CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s134*s14*z12) - (3*CA*(CA - 2*CF)*s1234*z1)/(8*s12*s234*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s234*z12) - 
   (3*CA*(CA - 2*CF)*s1234*z1)/(16*s23*s234*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s23*s234*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s23*s234*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s23*s234*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s14*z1)/(16*s12*s23*s234*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1)/(16*s12*s23*s234*z12) - 
   (CF*(-CA + 2*CF)*s1234*s24*z1)/(s12*s124^2*z12) + 
   (CF*(-CA + 2*CF)*D*s1234*s24*z1)/(4*s12*s124^2*z12) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s124*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(s12*s124*s134*z12) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s14*z12) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s134*s14*z12) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s23*z12) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s123*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s124*s14*s23*z12) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s123*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s123*s14*s23*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s12*s123*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s12*s123*s234*z12) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s23*s234*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s123*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s24*z1)/(2*s123*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s12*s123*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z1)/(2*s12*s123*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z1)/
    (s12*s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s24*z1)/(2*s12*s124*s23*s234*z12) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s12*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s12*s124*s14*s23*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z1)/
    (s12*s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2*z1)/(2*s12*s124*s23*s234*z12) + (CA*(CA - 2*CF)*s1234*z1)/
    (2*s124*s34*z12) - (CA*(CA - 2*CF)*D*s1234*z1)/(8*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(4*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*z1)/(2*s134*s34*z12) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (8*s134*s34*z12) + (3*CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(16*s12*s134*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z1)/(8*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z1)/(16*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(2*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z1)/(8*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(2*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z1)/(8*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1)/(8*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z1)/(2*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(8*s12*s124*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s23*z1)/(8*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z1)/(8*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z1)/(4*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1)/(16*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s123*s34*z12) + 
   (9*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s124*s34*z12) - 
   (5*CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s124*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s134*s34*z12) - 
   (5*CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(4*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s124*s14*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s134*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(32*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1)/(16*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(8*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(32*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z1)/(16*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(8*s12*s134*s14*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s12*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(16*s12*s23*s234*s34*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s12*s124*s134*z12) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s123*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s123*s134*s14*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s124*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s34*z1)/(s12*s123*s134*s14*z12) - (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s124*s23*z12) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s123*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s123*s14*s23*z12) - (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s124*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s124*s14*s23*z12) + (3*CA*(CA - 2*CF)*s1234*s13*s34*z1)/
    (16*s12*s123*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/
    (32*s12*s123*s14*s23*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*s34*z1)/(s12*s123*s134*s14*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s12*s123*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s12*s123*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s123*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s124*s23*s234*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z1)/
    (s12*s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s34*z1)/(2*s12*s123*s23*s234*z12) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z1)/
    (s12*s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s34*z1)/(2*s12*s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1)/
    (s12*s124*s134*s14*z12) - (3*CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (16*s12*s124*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (32*s12*s124*s14*s23*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1)/(s12*s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (2*s12*s124*s23*s234*z12) - (CA*(CA - 2*CF)*s1234*z1)/(16*s12*s124*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s124*z14) + 
   (CF*(-CA + 2*CF)*s1234*z1)/(2*s134^2*z14) - (CF*(-CA + 2*CF)*D*s1234*z1)/
    (4*s134^2*z14) + (CA*(CA - 2*CF)*s1234*z1)/(16*s12*s134*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s134*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s124*s134*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(s124*s134*z14) - 
   (CA*(CA - 2*CF)*s1234*z1)/(16*s124*s14*z14) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s124*s14*z14) + (CF*(-CA + 2*CF)*s1234*s13*z1)/(2*s134^2*s14*z14) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z1)/(4*s134^2*s14*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z1)/
    (s124*s134*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z1)/(s124*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s134*s14*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s12*s134*s14*z14) - (3*CA*(CA - 2*CF)*s1234*z1)/(16*s134*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s23*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z1)/(16*s134*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s134*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s134*s14*s23*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s124*s234*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*z1)/(2*s124*s234*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s134*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z1)/
    (2*s134*s234*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z1)/(s124*s14*s234*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*z1)/
    (2*s124*s14*s234*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z1)/(s134*s14*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z1)/
    (2*s134*s14*s234*z14) - (CA*(CA - 2*CF)*s1234*z1)/(16*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s23*s234*z14) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z1)/(16*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z1)/(16*s14*s23*s234*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s14*s23*s234*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s14*s23*s234*z14) + 
   (CF*(-CA + 2*CF)*s1234*s24*z1)/(2*s12*s124^2*z14) - 
   (CF*(-CA + 2*CF)*D*s1234*s24*z1)/(4*s12*s124^2*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s12*s123*s124*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s12*s123*s134*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s124*s134*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(s12*s124*s134*z14) + (CF*(-CA + 2*CF)*s1234*s24*z1)/
    (2*s124^2*s14*z14) - (CF*(-CA + 2*CF)*D*s1234*s24*z1)/
    (4*s124^2*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s14*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s123*s124*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s134*s14*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s124*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (s124*s134*s14*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z1)/(s12*s123*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (2*s12*s123*s134*s14*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s12*s124*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (s12*s124*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s23*z14) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s23*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s124*s14*s23*z14) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s124*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (16*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (8*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (8*s12*s124*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s134*s14*s23*z14) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s14*s23*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s124*s14*s234*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s124*s14*s234*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s134*s14*s234*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s23*s234*z14) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s23*s234*z14) + (CF*(-CA + 2*CF)*s1234*s24^2*z1)/
    (2*s12*s124^2*s14*z14) - (CF*(-CA + 2*CF)*D*s1234*s24^2*z1)/
    (4*s12*s124^2*s14*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s12*s123*s124*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z1)/
    (2*s12*s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s124*s14*s23*z14) + (3*CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s134*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s124*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s134*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s134*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s134*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s23*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s134*s14*s23*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s124*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s134*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z1)/(s124*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s134*s14*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s12*s1234*s24*z1)/
    (16*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s124*s14*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s124*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s14*s23*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s12*s123*s124*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s34*z1)/(s12*s123*s134*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s123*s124*s14*z14) + (CF*(-CA + 2*CF)*s1234*s34*z1)/(2*s134^2*s14*z14) - 
   (CF*(-CA + 2*CF)*D*s1234*s34*z1)/(4*s134^2*s14*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(16*s12*s134*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s12*s134*s14*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s34*z1)/
    (s12*s123*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s123*s23*z14) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s124*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s123*s14*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s124*s14*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*s13*s34*z1)/
    (16*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s134*s14*s23*z14) + (3*CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s134*s14*s23*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s134*s14*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s134*s14*s234*z14) - (CA*(CA - 2*CF)*s1234*s34*z1)/
    (8*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s14*s23*s234*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*s34*z1)/(s12*s123*s124*s14*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1)/
    (s12*s123*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24*s34*z1)/(2*s12*s123*s134*s14*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1)/
    (s12*s124*s134*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24*s34*z1)/(s12*s124*s134*s14*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s24*s34*z1)/(16*s12*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/(32*s12*s123*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s24*s34*z1)/(16*s12*s124*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/(32*s12*s124*s14*s23*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34^2*z1)/
    (s12*s123*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*s34^2*z1)/
    (16*s12*s123*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s12*s124*z12*z14) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s12*s134*z12*z14) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s123*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s12*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s12*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s12*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s12*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s12*s123*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s12*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s124*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s34*z1^2)/
    (16*s12*s123*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*s34*z1^2)/
    (16*s12*s124*s14*s23*z12*z14) - (5*CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s123*z12) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s123*z12) - 
   (CF*(-CA + 2*CF)*s1234*z2)/(2*s124^2*z12) - (CA*(CA - 2*CF)*s1234*z2)/
    (4*s12*s124*z12) + (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s124*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s123*s124*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s124*z12) - (CA*(CA - 2*CF)*s1234*z2)/(4*s12*s134*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(16*s12*s134*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s134*s14*z12) - 
   (CF*(-CA + 2*CF)*s1234*s14*z2)/(2*s12*s124^2*z12) - 
   (5*CA*(CA - 2*CF)*s1234*z2)/(16*s123*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s123*s23*z12) + 
   (5*CA*(CA - 2*CF)*s1234*z2)/(16*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s23*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s23*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s124*s23*z12) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z2)/
    (s12*s123*s124*z12) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s12*s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s14*z2)/(2*s12*s123*s234*z12) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s123*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(2*s123*s23*s234*z12) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(2*s124*s23*s234*z12) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2)/
    (s12*s123*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s14*z2)/(2*s12*s123*s23*s234*z12) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14^2*z2)/
    (s12*s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s14^2*z2)/(2*s12*s124*s23*s234*z12) - 
   (CF*(-CA + 2*CF)*s1234*s24*z2)/(2*s12*s124^2*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s24*z2)/(16*s12*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(32*s12*s124*s23*z12) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z2)/
    (s12*s124*s23*s234*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s24*z2)/(2*s12*s124*s23*s234*z12) + 
   (5*CA*(CA - 2*CF)*s1234*z2)/(16*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s124*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*z2)/(16*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s34*z12) + 
   (7*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s123*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(8*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s123*s23*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s13*s14*z2)/(16*s12*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/(32*s12*s123*s23*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(4*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s23*z2)/(16*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(4*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2)/(4*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/(32*s12*s23*s234*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s14^2*z2)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14^2*z2)/(16*s12*s23*s234*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s24*z2)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(32*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(8*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(32*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s12*s123*s23*s34*z12) + 
   (5*CA*(CA - 2*CF)*s1234*s14*s24*z2)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/(16*s12*s23*s234*s34*z12) - 
   (CF*(-CA + 2*CF)*s1234*z2)/(2*s124^2*z14) + (CF*(-CA + 2*CF)*D*s1234*z2)/
    (4*s124^2*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/
    (s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z2)/
    (2*s123*s124*z14) + (CA*(CA - 2*CF)*s1234*z2)/(16*s12*s134*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s134*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(2*s12*s123*s134*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z2)/
    (s12*s124*s134*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z2)/(s12*s124*s134*z14) - (CF*(-CA + 2*CF)*s1234*s14*z2)/
    (2*s12*s124^2*z14) + (CF*(-CA + 2*CF)*D*s1234*s14*z2)/
    (4*s12*s124^2*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s12*s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s14*z2)/(2*s12*s123*s124*z14) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s12*s123*s134*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(2*s12*s123*s134*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s12*s124*s134*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(s12*s124*s134*z14) + (CA*(CA - 2*CF)*s1234*z2)/
    (8*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s123*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*z2)/(16*s124*s23*z14) - 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s12*s123*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(8*s12*s124*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z2)/(16*s134*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s123*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s124*s23*z14) - 
   (3*CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s124*s23*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/(s134*s234*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s23*s234*z14) - 
   (CF*(-CA + 2*CF)*s1234*s24*z2)/(2*s12*s124^2*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s24*z2)/(4*s12*s124^2*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z2)/
    (s12*s123*s124*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z2)/(2*s12*s123*s124*z14) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (8*s12*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s123*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s23*z14) - (3*CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s124*s23*z14) - (CA*(CA - 2*CF)*s1234*z2)/(16*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s124*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s134*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s124*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s134*s34*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s134*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s134*s23*s34*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s134*s23*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s134*s23*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s12*s1234*z2)/
    (s124*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s134*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s124*s234*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s134*s234*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*z2)/
    (16*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s12*s124*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z2)/(s124*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s23*s234*s34*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s12*s123*s134*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (2*s12*s123*s134*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z2)/(s12*s124*s134*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z2)/
    (s12*s124*s134*z14) + (3*CA*(CA - 2*CF)*s1234*s34*z2)/
    (16*s12*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s12*s123*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s34*z2)/
    (16*s12*s124*s23*z14) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s123*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s124*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s134*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s123*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s123*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (8*s12*s134*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*z1)/(16*s12*s123*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s123*z23) + 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s124*z23) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s12*s124*z23) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     z1)/(s123*s134*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     z1)/(2*s123*s134*z23) - (9*CA*(CA - 2*CF)*s1234*z1)/(16*s134*s14*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z1)/(16*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s123*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1)/(16*s12*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s123*s23*z23) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z1)/
    (s123*s134*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z1)/(2*s123*s134*s23*z23) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s134*s23*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(2*s123*s134*s23*z23) - (5*CA*(CA - 2*CF)*s12*s1234*z1)/
    (16*s134*s14*s23*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1)/
    (16*s134*s14*s23*z23) - (5*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (16*s134*s14*s23*z23) + (3*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s234*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s134*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z1)/
    (2*s134*s234*z23) - (5*CA*(CA - 2*CF)*s1234*z1)/(16*s14*s234*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s14*s234*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s12*s123*s124*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s12*s123*s124*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s14*z23) + (9*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s124*s14*z23) - (3*CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s14*z23) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s123*s124*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s123*s124*s23*z23) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s12*s123*s124*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z1)/
    (2*s12*s123*s124*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (4*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s134*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s134*s14*s23*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s12*s124*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s12*s124*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (16*s12*s23*s234*z23) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s134*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s134*s23*s234*z23) + (5*CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (16*s12*s124*s14*s23*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s12*s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24^2*z1)/
    (2*s12*s124*s23*s234*z23) - (CA*(CA - 2*CF)*s1234*z1)/(8*s134*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s123*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s123*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s134*s14*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s134*s14*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s123*s23*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s123*s23*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s12*s123*s23*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(32*s12*s123*s23*s34*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1)/(16*s134*s14*s23*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s134*s14*s23*s34*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s14*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s14*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(8*s134*s14*s23*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s134*s14*s23*s34*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s12*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s12*s23*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s14*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s14*s23*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z1)/(16*s12*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s12*s123*s14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z1)/(16*s12*s124*s14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s12*s124*s14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z1)/(16*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(8*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s124*s14*s23*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z1)/(16*s12*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/(32*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1)/(8*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1)/(32*s12*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1)/(4*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s134*s14*s23*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s34*z1)/(16*s12*s23*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s12*s23*s234*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s134*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s14*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s24*s34*z1)/
    (8*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1)/
    (16*s12*s124*s14*s23*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*s34*z1)/(s12*s124*s23*s234*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*s34*z1)/
    (2*s12*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*s34^2*z1)/
    (16*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s134*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1^2)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (4*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (16*s12*s124*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z1^2)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s134*s14*s23*s34*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (8*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (4*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (16*s12*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1^2)/
    (32*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s34*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1^2)/
    (16*s134*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34^2*z1^2)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34^2*z1^2)/
    (32*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34^2*z1^2)/
    (8*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34^2*z1^2)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s123*z23) - (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s123*z23) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s12*s124*z23) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s12*s124*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*
     z2)/(s12*s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*z2)/(2*s12*s123*s124*z23) - (3*CA*(CA - 2*CF)*s1234*z2)/
    (16*s123*s23*z23) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s123*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*z2)/(4*s124*s23*z23) + (3*CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s124*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*z2)/(16*s12*s123*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s123*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(4*s12*s124*s23*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2)/(32*s12*s124*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z2)/(8*s134*s23*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s134*s23*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z2)/(4*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z2)/(16*s134*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2)/(16*s134*s14*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s123*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(2*s123*s124*s23*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s14*z2)/
    (s12*s123*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s14*z2)/(2*s12*s123*s124*s23*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s12*s124*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(2*s12*s124*s234*z23) - (5*CA*(CA - 2*CF)*s1234*z2)/
    (16*s23*s234*z23) + (3*CA*(CA - 2*CF)*D*s1234*z2)/(32*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z2)/(8*s14*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s14*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(16*s12*s124*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s12*s124*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(4*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(8*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(16*s124*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(4*s12*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s12*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(4*s12*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2)/(16*s12*s124*s14*s23*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z2)/
    (s12*s124*s23*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s24*z2)/(2*s12*s124*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s134*s34*z23) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s134*s34*z23) + (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s123*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s123*s34*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z2)/(16*s134*s23*s34*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z2)/(16*s134*s23*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s123*s23*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s123*s23*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2)/(16*s12*s123*s23*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/(32*s12*s123*s23*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z2)/(8*s134*s23*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(32*s134*s23*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s134*s14*s23*s34*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z2)/(16*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z2)/(32*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z2)/(8*s14*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2)/(8*s14*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2)/(16*s12*s23*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/(32*s12*s23*s234*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(16*s12*s124*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(16*s12*s124*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(4*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s34*z2)/(16*s123*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z2)/(8*s124*s14*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z2)/(4*s12*s123*s14*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z2)/(16*s12*s123*s14*s23*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s14*s34*z2)/
    (s12*s124*s23*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s34*z2)/(2*s12*s124*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(16*s12*s123*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(16*s123*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(16*s12*s234*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s123*s14*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s123*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s124*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s12*s123*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/(16*s12*s124*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s123*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s123*s23*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z1*z2)/(8*s12*s123*s23*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s234*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s123*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s123*s23*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s12*s123*s23*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s234*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z1*z2)/(8*s12*s23*s234*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/(16*s12*s23*s234*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s12*s123*s14*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s12*s124*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s124*s14*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(16*s12*s123*s14*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(16*s12*s124*s14*s23*z12*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z2)/(16*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(32*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z1*z2)/(32*s124*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/(32*s12*s124*s23*z14*z23) - 
   (5*CA*(CA - 2*CF)*s1234*z1*z2)/(16*s134*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z2)/(8*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(8*s134*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/(16*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(4*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/(16*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z1*z2)/(8*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/(32*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(8*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/(32*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/(32*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/(8*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/(32*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/(32*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z2)/(16*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2)/(16*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2)/(8*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(16*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2)/(8*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1*z2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/(16*s14*s23*s234*s34*z14*z23) - 
   (7*CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s12*s123*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(32*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(2*s12*s124*s23*z14*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(32*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(32*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/(32*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(8*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z2)/(32*s12*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s34*z1*z2)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z2)/(32*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2)/(8*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/(8*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34^2*z1*z2)/(32*s12*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s34^2*z1*z2)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34^2*z1*z2)/(32*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z2^2)/(16*s12*s123*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*z2^2)/(16*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z2^2)/(16*s124*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s12*s123*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(16*s12*s124*s23*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(16*s12*s23*s234*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(16*s12*s124*s23*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(16*s12*s123*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(16*s123*s23*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/(16*s12*s123*s23*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(16*s12*s234*s34*z12*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2^2)/(16*s12*s23*s234*s34*z12*z23) - 
   (CA*(CA - 2*CF)*s1234*z2^2)/(8*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2^2)/(32*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z2^2)/(16*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z2^2)/(32*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(8*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(32*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2^2)/(32*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(4*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/(16*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(8*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/(16*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z2^2)/(16*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(8*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/(32*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(16*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2^2)/(32*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z2^2)/(16*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z2^2)/(16*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z2^2)/(8*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z2^2)/(16*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(8*s12*s123*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/(32*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z2^2)/(16*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z2^2)/(32*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s12*s123*z12) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s12*s123*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*z3)/
    (s123*s134*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/
    (s124*s134*z12) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*
     z3)/(s12*s123*s134*z12) - (CA*(CA - 2*CF)*s1234*z3)/(8*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s12*s124*s134*z12) - (CA*(CA - 2*CF)*s1234*z3)/(16*s123*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s124*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*z3)/(16*s12*s123*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s12*s123*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s124*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s124*s23*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s23*z3)/
    (s12*s123*s134*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z3)/(s12*s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (2*s12*s123*s234*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s123*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (2*s123*s23*s234*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (2*s124*s23*s234*z12) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z3)/(s12*s123*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z3)/
    (2*s12*s123*s23*s234*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14^2*z3)/(s12*s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14^2*z3)/
    (2*s12*s124*s23*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s12*s124*s134*z12) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s23*z12) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z3)/(s12*s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z3)/
    (2*s12*s124*s23*s234*z12) - (CA*(CA - 2*CF)*s1234*z3)/(16*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*z3)/(16*s134*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(16*s12*s134*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s123*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s123*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s134*s34*z12) - 
   (7*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s123*s23*s34*z12) + 
   (3*CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s123*s23*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z3)/(16*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/(32*s12*s123*s23*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s23*z3)/(16*s12*s134*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(8*s12*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z3)/(8*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/(32*s12*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s14^2*z3)/(16*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14^2*z3)/(16*s12*s23*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3)/(16*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3)/(32*s12*s134*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s24*z3)/(8*s123*s23*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z3)/(16*s12*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/(16*s12*s23*s234*s34*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s123*s124*z14) - 
   (CF*(-CA + 2*CF)*s1234*z3)/(2*s134^2*z14) + (CF*(-CA + 2*CF)*D*s1234*z3)/
    (4*s134^2*z14) - (CA*(CA - 2*CF)*s1234*z3)/(16*s12*s134*z14) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s134*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s13*z3)/
    (s12*s123*s134*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z3)/(s12*s123*s124*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s12*s123*s134*z14) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s124*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(16*s12*s123*s23*z14) + 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s134*s23*z14) - 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s124*s23*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s134*s234*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z3)/(2*s134*s234*z14) + 
   (CA*(CA - 2*CF)*s1234*z3)/(8*s23*s234*z14) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s23*s234*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*
     z3)/(s12*s123*s124*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s123*s23*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s23*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s23*z14) + (CA*(CA - 2*CF)*s1234*z3)/(16*s124*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s34*z14) - 
   (CF*(-CA + 2*CF)*s1234*s13*z3)/(2*s134^2*s34*z14) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*z3)/(4*s134^2*s34*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z3)/
    (s124*s134*s34*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z3)/(s124*s134*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s12*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s12*s134*s34*z14) + (CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s124*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s124*s34*z14) - (CF*(-CA + 2*CF)*s1234*s14*z3)/
    (2*s134^2*s34*z14) + (CF*(-CA + 2*CF)*D*s1234*s14*z3)/
    (4*s134^2*s34*z14) - (CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s134*s34*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s124*s134*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (s124*s134*s34*z14) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (16*s134*s23*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s23*s34*z14) - (3*CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s134*s23*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s134*s23*s34*z14) - (3*CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s134*s23*s34*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z3)/(s124*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*z3)/
    (2*s124*s234*s34*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z3)/(s134*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z3)/
    (2*s134*s234*s34*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s124*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (2*s124*s234*s34*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z3)/(s134*s234*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z3)/
    (2*s134*s234*s34*z14) + (3*CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (16*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*z3)/
    (8*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s12*s124*s34*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s124*s134*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (s124*s134*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s134*s23*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (8*s134*s23*s34*z14) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z3)/(s124*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z3)/
    (2*s124*s234*s34*z14) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s23*s234*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s23*s234*s34*z14) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*
     s34*z3)/(s12*s123*s134*z14) - (CA*(CA - 2*CF)*s1234*s34*z3)/
    (16*s12*s123*s23*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s123*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s134*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s124*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s134*s34*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s124*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s134*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s134*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*z3)/
    (16*s12*s123*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s123*z23) + 
   (CA*(CA - 2*CF)*s1234*z3)/(16*s12*s124*z23) - (CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s12*s124*z23) - (5*CA*(CA - 2*CF)*s1234*z3)/(16*s123*s23*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s123*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(8*s124*s23*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z3)/(32*s124*s23*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3)/(16*s12*s123*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s12*s123*s23*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(8*s12*s124*s23*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s12*s124*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s134*s23*z23) + (3*CA*(CA - 2*CF)*D*s1234*z3)/
    (32*s134*s23*z23) + (CA*(CA - 2*CF)*s12*s1234*z3)/(8*s134*s14*s23*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(8*s134*s14*s23*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s134*s14*s23*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z3)/(16*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3)/(4*s14*s23*s234*z23) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z3)/(16*s14*s23*s234*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(4*s14*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(16*s14*s23*s234*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s23*s234*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s134*s23*s234*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(2*s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s23*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (16*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*z3)/(16*s134*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s34*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s123*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s123*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s134*s34*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(2*s123*s134*s34*z23) - (CA*(CA - 2*CF)*s12*s1234*z3)/
    (16*s134*s23*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3)/
    (16*s134*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (16*s134*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s123*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s14*z3)/
    (16*s12*s123*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/
    (32*s12*s123*s23*s34*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s12*s1234*s14*z3)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s14*z3)/
    (2*s123*s134*s23*s34*z23) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z3)/(s123*s134*s23*s34*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z3)/
    (2*s123*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*z3)/(16*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s234*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s134*s234*s34*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(2*s134*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s24*z3)/
    (4*s134*s23*s34*z23) + (3*CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s134*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s23*s234*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z3)/
    (4*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z3)/
    (16*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (4*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z3)/
    (16*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (16*s12*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/
    (32*s12*s23*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z3)/(s134*s23*s234*s34*z23) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z3)/
    (2*s134*s23*s234*s34*z23) - (CA*(CA - 2*CF)*s1234*s34*z3)/
    (16*s12*s124*s23*z23) + (CA*(CA - 2*CF)*s1234*s34*z3)/
    (8*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s34*z3)/
    (4*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z3)/
    (16*s124*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z3)/
    (8*s12*s123*s14*s23*z23) + (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s124*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s124*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s134*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s134*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (8*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (4*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (4*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z3)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s14*s23*s234*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s123*s23*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s124*s23*z14*z23) - (5*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (4*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (4*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (16*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z3)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (8*s134*s23*s34*z14*z23) + (7*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s134*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z3)/
    (32*s134*s14*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z3)/
    (32*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s14*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (8*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z3)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z3)/
    (4*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*s34*z1*z3)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34^2*z1*z3)/
    (16*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s12*s123*z12*z23) + (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s23*z12*z23) - (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s124*s23*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s123*s23*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s23*s234*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s124*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s123*s23*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (16*s12*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (16*s12*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s134*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s134*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z3)/
    (32*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z3)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z3)/
    (32*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z3)/
    (32*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z3)/
    (32*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z2*z3)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z2*z3)/
    (32*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z3^2)/
    (16*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z3^2)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z3^2)/
    (16*s134*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z3^2)/
    (32*s134*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (8*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z3^2)/
    (8*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z3^2)/
    (32*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z3^2)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/
    (32*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3^2)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/
    (32*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/
    (16*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z3^2)/
    (8*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z3^2)/
    (32*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z3^2)/
    (8*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z3^2)/
    (32*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (4*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (32*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (8*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z3^2)/
    (32*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z3^2)/
    (16*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1)/(4*s12*s123*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s123*z34) - 
   (CA*(CA - 2*CF)*s1234*z1)/(8*s12*s124*z34) + (CA*(CA - 2*CF)*D*s1234*z1)/
    (32*s12*s124*z34) + (CF*(-CA + 2*CF)*s1234*z1)/(2*s134^2*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s134*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s134*z34) + 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*s13*z1)/(8*s12*s124*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z1)/(32*s12*s124*s14*z34) + 
   (CF*(-CA + 2*CF)*s1234*s13*z1)/(2*s134^2*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1)/(4*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z1)/
    (16*s134*s14*z34) - (5*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s134*s14*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s12*s134*s14*z34) - (5*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (16*s12*s123*s23*z34) - (5*CA*(CA - 2*CF)*s1234*z1)/(16*s134*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s134*s23*z34) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1)/
    (s123*s134*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z1)/(2*s123*s134*s23*z34) - (5*CA*(CA - 2*CF)*s1234*s13*z1)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1)/
    (32*s134*s14*s23*z34) - (5*CA*(CA - 2*CF)*s1234*s14*z1)/
    (16*s12*s123*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1)/
    (16*s12*s123*s23*z34) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z1)/(s123*s134*s23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z1)/
    (2*s123*s134*s23*z34) - (CA*(CA - 2*CF)*s1234*s23*z1)/
    (16*s12*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*s23*z1)/
    (4*s12*s134*s14*z34) - (7*CA*(CA - 2*CF)*s1234*z1)/(16*s12*s234*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z1)/(32*s12*s234*z34) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1)/(s123*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z1)/
    (2*s123*s234*z34) + (5*CA*(CA - 2*CF)*s1234*z1)/(16*s14*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z1)/(32*s14*s234*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1)/
    (s134*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s12*s124*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s14*z34) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s124*s134*s14*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s123*s23*z34) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1)/(s123*s134*s23*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z1)/
    (2*s123*s134*s23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s134*s14*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s124*s14*s234*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s134*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s123*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (4*s14*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s24*z1)/
    (8*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s124*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s12*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s12*s134*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1)/(s124*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/
    (16*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/
    (32*s12*s134*s14*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1)/(s124*s134*s14*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s12*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(16*s12*s123*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1)/(16*s134*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s134*s23*s34*z34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1)/
    (s123*s134*s23*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z1)/(2*s123*s134*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1)/(16*s134*s14*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z1)/(32*s134*s14*s23*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*s24*z1)/(16*s12*s123*s23*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*s24*z1)/(16*s12*s123*s23*s34*z34) + 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*s24*z1)/
    (s123*s134*s23*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*
     s1234*s14*s24*z1)/(2*s123*s134*s23*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1)/(16*s12*s124*s14*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1)/(16*s12*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z1)/(32*s12*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1)/
    (s123*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s24*z1)/(2*s123*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z1)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1)/
    (32*s14*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*s24*z1)/(s124*s14*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (16*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1)/
    (8*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/
    (32*s12*s123*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24^2*z1)/(s124*s14*s234*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s12*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s12*s23*s234*s34*z34) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z1)/
    (s123*s23*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s24^2*z1)/(2*s123*s23*s234*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1)/(16*s14*s23*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24^2*z1)/(32*s14*s23*s234*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z1)/(16*s12*s124*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s12*s124*s14*z34) + 
   (CF*(-CA + 2*CF)*s1234*s34*z1)/(2*s134^2*s14*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s34*z1)/(16*s12*s134*s14*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s12*s134*s14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z1)/(16*s12*s123*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z1)/(32*s12*s123*s23*z34) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1)/
    (s123*s134*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z1)/(2*s123*s134*s23*z34) - (5*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s134*s14*s23*z34) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s134*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s12*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s12*s23*s234*z34) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1)/(s123*s23*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s34*z1)/
    (2*s123*s23*s234*z34) + (5*CA*(CA - 2*CF)*s1234*s34*z1)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s34*z1)/
    (32*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s12*s123*z12*z34) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s12*s124*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (32*s12*s124*z12*z34) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (16*s12*s134*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (32*s12*s134*z12*z34) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (4*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (16*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (32*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1^2)/
    (16*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1^2)/
    (32*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z1^2)/
    (8*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1^2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1^2)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (8*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (32*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1^2)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1^2)/
    (32*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s124*s14*z12*z34) - (5*CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s134*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s124*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1^2)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1^2)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1^2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z1^2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s23*s24*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/
    (32*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1^2)/
    (32*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1^2)/
    (16*s12*s123*s23*s34*z12*z34) - (5*CA*(CA - 2*CF)*s1234*z2)/
    (16*s12*s124*z34) + (CA*(CA - 2*CF)*D*s1234*z2)/(32*s12*s124*z34) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s12*s134*z34) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s12*s134*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z2)/
    (s124*s134*z34) - (CA*(CA - 2*CF)*s1234*z2)/(8*s124*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s134*s14*z34) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s134*s23*z34) + (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s134*s23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s123*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s123*s23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s123*s134*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(2*s123*s134*s23*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*z2)/(s124*s234*z34) - 
   (CA*(CA - 2*CF)*s1234*z2)/(16*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*z2)/
    (32*s23*s234*z34) + (CA*(CA - 2*CF)*s1234*s13*z2)/(8*s12*s23*s234*z34) - 
   (7*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s23*s234*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s23*s234*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s123*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(2*s123*s23*s234*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s12*s134*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z2)/(s124*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (8*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s124*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s12*s134*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s14*z2)/(s124*s134*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z2)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z2)/
    (32*s134*s23*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s14*z2)/
    (16*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s14*z2)/
    (16*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*z2)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z2)/
    (32*s134*s23*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z2)/(s123*s134*s23*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z2)/
    (2*s123*s134*s23*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s14^2*z2)/
    (16*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14^2*z2)/
    (16*s12*s123*s23*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14^2*z2)/(s123*s134*s23*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14^2*z2)/
    (2*s123*s134*s23*s34*z34) - (CA*(CA - 2*CF)*s1234*s23*z2)/
    (16*s12*s124*s34*z34) + (CA*(CA - 2*CF)*s1234*z2)/(16*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z2)/(32*s234*s34*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z2)/(16*s12*s234*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z2)/(32*s12*s234*s34*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z2)/
    (s123*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z2)/(2*s123*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*s1234*s23*z2)/
    (s124*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s12*s124*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z2)/
    (8*s12*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/
    (32*s12*s123*s23*s34*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     s1234*s24*z2)/(s124*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z2)/
    (16*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z2)/
    (32*s23*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*s24*z2)/
    (16*s12*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2)/
    (32*s12*s23*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z2)/(s123*s23*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z2)/
    (2*s123*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s12*s123*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s12*s123*z12*z34) + (5*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s124*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s12*s124*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (2*s12*s134*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s12*s134*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z2)/
    (4*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s134*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z2)/
    (16*s12*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (32*s12*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z2)/
    (8*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z2)/
    (16*s23*s234*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s23*s234*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s134*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s123*s23*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s123*s23*z12*z34) - (9*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s23*s234*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z2)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z1*z2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z1*z2)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14^2*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (8*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1*z2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z2)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z1*z2)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z2)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z2)/
    (32*s12*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z2)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z2)/
    (32*s12*s23*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*s24*z1*z2)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z2)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (16*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/
    (32*s12*s123*s23*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z2)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z2)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (4*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z2)/
    (2*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z2)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z2^2)/
    (8*s12*s124*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (4*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (16*s12*s123*s23*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (8*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z2^2)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14^2*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14^2*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z2^2)/
    (16*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2^2)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2^2)/
    (32*s12*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s14*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14^2*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14^2*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z2^2)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z2^2)/
    (8*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2^2)/
    (32*s12*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*s24*z2^2)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2^2)/
    (32*s12*s23*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*z3)/
    (16*s12*s124*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s124*z34) - 
   (CF*(-CA + 2*CF)*s1234*z3)/(2*s134^2*z34) + (5*CA*(CA - 2*CF)*s1234*z3)/
    (16*s12*s134*z34) - (CA*(CA - 2*CF)*D*s1234*z3)/(32*s12*s134*z34) + 
   (5*CA*(CA - 2*CF)*s1234*z3)/(16*s134*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s134*s23*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s123*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s123*s23*z34) + 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s134*s23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(2*s123*s134*s23*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z3)/(s134*s234*z34) - 
   (5*CA*(CA - 2*CF)*s1234*z3)/(16*s23*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s23*s234*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s23*s234*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s23*s234*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(2*s123*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*z3)/
    (4*s124*s34*z34) + (CA*(CA - 2*CF)*D*s1234*z3)/(16*s124*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3)/(8*s12*s124*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3)/(32*s12*s124*s34*z34) - 
   (CF*(-CA + 2*CF)*s1234*s13*z3)/(2*s134^2*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*z3)/(4*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*z3)/
    (16*s134*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s12*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z3)/
    (4*s12*s123*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s123*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z3)/
    (8*s12*s124*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s124*s34*z34) - (CF*(-CA + 2*CF)*s1234*s14*z3)/
    (2*s134^2*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s12*s134*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s13*z3)/
    (16*s134*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z3)/
    (32*s134*s23*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s13*s14*z3)/
    (16*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z3)/
    (16*s12*s123*s23*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s14*z3)/
    (16*s134*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3)/
    (32*s134*s23*s34*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z3)/(s123*s134*s23*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z3)/
    (2*s123*s134*s23*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s14^2*z3)/
    (16*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14^2*z3)/
    (16*s12*s123*s23*s34*z34) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14^2*z3)/(s123*s134*s23*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s14^2*z3)/
    (2*s123*s134*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z3)/
    (16*s12*s124*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z3)/
    (4*s12*s134*s34*z34) - (5*CA*(CA - 2*CF)*s1234*z3)/(16*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3)/(32*s234*s34*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s14*z3)/(16*s12*s234*s34*z34) - 
   (3*CA*(CA - 2*CF)*D*s1234*s14*z3)/(32*s12*s234*s34*z34) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z3)/
    (s123*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z3)/(2*s123*s234*s34*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z3)/
    (s134*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s12*s124*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s12*s134*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z3)/
    (8*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (4*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/
    (32*s12*s123*s23*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z3)/(s134*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z3)/
    (16*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z3)/
    (32*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z3)/
    (8*s12*s23*s234*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s14*s24*z3)/
    (16*s12*s23*s234*s34*z34) - (3*CA*(CA - 2*CF)*D*s1234*s14*s24*z3)/
    (32*s12*s23*s234*s34*z34) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*s24*z3)/(s123*s23*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*s24*z3)/
    (2*s123*s23*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s123*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s12*s123*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s134*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s134*s14*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s123*s23*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s123*s23*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (32*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (16*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s12*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (32*s12*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (4*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (8*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (32*s12*s23*s234*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s134*s14*z12*z34) - (9*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s23*z12*z34) + (3*CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (4*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (8*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*z1*z3)/
    (16*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z3)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (32*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z1*z3)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z3)/
    (8*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z1*z3)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14^2*z1*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/
    (32*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z1*z3)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*z1*z3)/
    (32*s12*s134*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s134*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/
    (8*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z3)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3)/
    (16*s12*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (8*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (32*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (2*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z3)/
    (8*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z1*z3)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s14*s24*z1*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s134*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (8*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z3)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s12*s134*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s12*s123*s23*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (16*s12*s123*s23*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (16*s12*s23*s234*z12*z34) - (CA*(CA - 2*CF)*s1234*z2*z3)/
    (8*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s12*s134*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (4*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (16*s123*s23*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14^2*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (16*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*z2*z3)/
    (16*s12*s134*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (16*s12*s234*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (8*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z3)/
    (16*s23*s234*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s14^2*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14^2*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s12*s134*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2*z3)/
    (16*s12*s123*s23*s34*z12*z34) + (5*CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z2*z3)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s123*z23*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s123*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s12*s123*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s134*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z3)/
    (16*s134*s14*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s12*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*z1*z3)/
    (16*s14*s234*z23*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s14*s23*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (4*s14*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s123*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s123*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s12*s123*s23*s34*z23*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s134*s23*s34*z23*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z3)/
    (16*s134*s14*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s12*s234*s34*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z3)/
    (16*s14*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s12*s23*s234*s34*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z3)/
    (16*s14*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s134*s14*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s12*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s34*z1*z3)/
    (16*s14*s23*s234*z23*z34) - (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s134*s23*z23*z34) + (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s123*s34*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z3)/
    (16*s134*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*s14*z2*z3)/
    (16*s12*s123*s23*s34*z23*z34) - (3*CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s134*s23*s34*z23*z34) + (3*CA*(CA - 2*CF)*s1234*z2*z3)/
    (16*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z2*z3)/
    (16*s12*s234*s34*z23*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z3)/
    (16*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z2*z3)/
    (16*s12*s23*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*z3^2)/
    (8*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z3^2)/
    (16*s12*s134*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/
    (32*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s12*s134*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (8*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/
    (16*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s14*z3^2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z3^2)/
    (32*s12*s123*s23*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14^2*z3^2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14^2*z3^2)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z3^2)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (8*s12*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/
    (32*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (4*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z3^2)/
    (16*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z3^2)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z3^2)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14^2*z3^2)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14^2*z3^2)/
    (32*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s12*s134*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z3^2)/
    (32*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/
    (8*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s14*s24*z3^2)/
    (32*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*z3^2)/
    (16*s134*s23*z23*z34) + (CA*(CA - 2*CF)*s1234*z3^2)/
    (16*s23*s234*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s12*s23*s234*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s12*s123*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s13*z3^2)/
    (16*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s123*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z3^2)/
    (16*s12*s123*s23*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s134*s23*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*z3^2)/
    (16*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*z3^2)/
    (16*s12*s234*s34*z23*z34) + (CA*(CA - 2*CF)*s1234*s24*z3^2)/
    (16*s23*s234*s34*z23*z34) - (CA*(CA - 2*CF)*s1234*s14*s24*z3^2)/
    (16*s12*s23*s234*s34*z23*z34) + (CF*(-CA + 2*CF)*s1234*z4)/
    (2*s124^2*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*
     z4)/(s12*s124*s134*z12) + (5*CA*(CA - 2*CF)*s1234*z4)/
    (16*s123*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s14*z12) + 
   (CF*(-CA + 2*CF)*s12*s1234*z4)/(2*s124^2*s14*z12) + 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s124*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s124*s14*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z4)/(s123*s124*s14*z12) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s123*s14*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s123*s14*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s123*s124*s14*z12) + (CA*(CA - 2*CF)*s1234*z4)/
    (4*s134*s14*z12) - (CA*(CA - 2*CF)*D*s1234*z4)/(16*s134*s14*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s134*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s124*s134*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z4)/(s12*s123*s134*s14*z12) - (5*CA*(CA - 2*CF)*s1234*z4)/
    (16*s124*s23*z12) + (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s124*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s23*z12) + 
   (5*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s123*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s123*s14*s23*z12) - 
   (5*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s124*s14*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(4*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s124*s14*s23*z12) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(16*s12*s123*s14*s23*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(32*s12*s123*s14*s23*z12) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*z4)/
    (s123*s124*s14*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*s23*z4)/(s12*s123*s134*s14*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s123*s234*z12) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z4)/
    (2*s123*s234*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s12*s123*s234*z12) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z4)/(2*s12*s123*s234*z12) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s23*s234*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s123*s23*s234*z12) - 
   (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s124*s23*s234*z12) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s23*s234*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s124*s23*s234*z12) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z4)/(s12*s123*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z4)/
    (2*s12*s123*s23*s234*z12) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z4)/(s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s14*z4)/
    (2*s124*s23*s234*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z4)/(s12*s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z4)/
    (2*s12*s124*s23*s234*z12) + (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (2*s124^2*s14*z12) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z4)/(s12*s124*s134*s14*z12) - (5*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s124*s14*s23*z12) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s124*s14*s23*z12) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s23*z12) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s124*s14*s23*z12) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s124*s23*s234*z12) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (2*s124*s23*s234*z12) + (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s12*s124*s23*s234*z12) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (2*s12*s124*s23*s234*z12) - (7*CA*(CA - 2*CF)*s1234*z4)/
    (16*s123*s34*z12) + (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s124*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*z4)/(8*s134*s34*z12) + (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s134*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s134*s34*z12) - (5*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s124*s14*s34*z12) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s124*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s124*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s124*s14*s34*z12) - (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s14*s34*z12) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s14*s34*z12) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (4*s134*s14*s34*z12) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s34*z12) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s134*s14*s34*z12) + (CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s123*s23*s34*z12) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s123*s23*s34*z12) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s123*s23*s34*z12) - (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s123*s23*s34*z12) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s123*s23*s34*z12) - (CA*(CA - 2*CF)*s1234*s23*z4)/
    (4*s124*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s134*s14*s34*z12) + (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (16*s12*s134*s14*s34*z12) - (CA*(CA - 2*CF)*s1234*z4)/(4*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s23*s234*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(8*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/(32*s12*s23*s234*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s14*z4)/(16*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z4)/(16*s23*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z4)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z4)/(16*s12*s23*s234*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s24*z4)/(16*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s124*s14*s34*z12) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s12*s124*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(32*s12*s124*s14*s34*z12) - 
   (CA*(CA - 2*CF)*s1234*s24*z4)/(8*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(32*s134*s14*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(32*s12*s134*s14*s34*z12) - 
   (5*CA*(CA - 2*CF)*s1234*s24*z4)/(16*s23*s234*s34*z12) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z4)/(16*s23*s234*s34*z12) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s12*s23*s234*s34*z12) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s12*s23*s234*s34*z12) + 
   (CF*(-CA + 2*CF)*s1234*z4)/(2*s124^2*z14) - (CF*(-CA + 2*CF)*D*s1234*z4)/
    (4*s124^2*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/
    (s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z4)/
    (2*s123*s124*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*
     z4)/(s12*s123*s124*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*z4)/(s123*s134*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*z4)/(2*s123*s134*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s124*s134*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z4)/(s124*s134*z14) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s12*s123*s134*z14) + (CF*(-CA + 2*CF)*s12*s1234*z4)/(2*s124^2*s14*z14) - 
   (CF*(-CA + 2*CF)*D*s12*s1234*z4)/(4*s124^2*s14*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s123*s124*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s124*s14*z14) + (CF*(-CA + 2*CF)*s1234*s13*z4)/(2*s134^2*s14*z14) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z4)/(4*s134^2*s14*z14) - 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s134*s14*z14) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s134*s14*z14) + (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s134*s14*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s134*s14*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s123*s134*s14*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s124*s134*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(s124*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z4)/(s12*s123*s134*s14*z14) - (CA*(CA - 2*CF)*s1234*z4)/
    (16*s123*s23*z14) + (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s124*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s23*z14) - 
   (CA*(CA - 2*CF)*s12*s1234*z4)/(8*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s123*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s124*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s124*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s123*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s124*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4)/(16*s12*s123*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*s12*s1234*z4)/(16*s134*s14*s23*z14) - 
   (CA*(CA - 2*CF)*D*s12*s1234*z4)/(32*s134*s14*s23*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s134*s14*s23*z14) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s134*s14*s23*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s134*s14*s234*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s134*s14*s234*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s134*s14*s234*z14) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s14*s23*s234*z14) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s14*s23*s234*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s23*s234*z14) + (CF*(-CA + 2*CF)*s1234*s24*z4)/
    (2*s124^2*s14*z14) - (CF*(-CA + 2*CF)*D*s1234*s24*z4)/
    (4*s124^2*s14*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s123*s124*s14*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (2*s123*s124*s14*z14) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*s24*z4)/(s12*s123*s124*s14*z14) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s123*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s124*s14*s23*z14) + (3*CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s123*s14*s23*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s124*s14*s23*z14) + (CA*(CA - 2*CF)*s1234*z4)/(16*s124*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s124*s34*z14) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s34*z14) + 
   (CF*(-CA + 2*CF)*s1234*s13*z4)/(2*s134^2*s34*z14) - 
   (CF*(-CA + 2*CF)*D*s1234*s13*z4)/(4*s134^2*s34*z14) - 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s134*s34*z14) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s134*s34*z14) + (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s134*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s134*s34*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s124*s134*s34*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(s124*s134*s34*z14) + (CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s124*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s124*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s124*s14*s34*z14) + (CF*(-CA + 2*CF)*s1234*s13^2*z4)/
    (2*s134^2*s14*s34*z14) - (CF*(-CA + 2*CF)*D*s1234*s13^2*z4)/
    (4*s134^2*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s34*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z4)/(s124*s134*s14*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z4)/
    (s124*s134*s14*s34*z14) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s134*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s134*s14*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s23*s34*z14) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s23*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s23*s34*z14) + (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s23*s34*z14) - (3*CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (16*s134*s14*s23*s34*z14) + (3*CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/
    (32*s134*s14*s23*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s134*s14*s23*s34*z14) + (3*CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s134*s14*s23*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*z4)/(s124*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s124*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s124*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s134*s234*s34*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s134*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s134*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12^2*
     s1234*z4)/(s124*s14*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z4)/
    (s124*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s12*s1234*s13*z4)/(2*s124*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z4)/
    (s134*s14*s234*s34*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z4)/(s134*s14*s234*s34*z14) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z4)/
    (2*s134*s14*s234*s34*z14) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s12^2*s1234*z4)/
    (16*s14*s23*s234*s34*z14) - (3*CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (16*s14*s23*s234*s34*z14) + (3*CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/
    (32*s14*s23*s234*s34*z14) - (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (8*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s14*s23*s234*s34*z14) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s124*s14*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s124*s14*s34*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s34*z14) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s124*s14*s34*z14) - (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s124*s134*s14*s34*z14) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (s124*s134*s14*s34*z14) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s134*s14*s23*s34*z14) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (8*s134*s14*s23*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z4)/(s124*s14*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z4)/
    (s124*s14*s234*s34*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*s13*s24*z4)/(2*s124*s14*s234*s34*z14) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z4)/(16*s14*s23*s234*s34*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/(16*s14*s23*s234*s34*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/(16*s14*s23*s234*s34*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s34*z4)/
    (s123*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z4)/(2*s123*s134*s14*z14) - 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z4)/
    (s124*s134*s14*z14) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s34*z4)/(s124*s134*s14*z14) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z4)/(s12*s123*s134*s14*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z4)/(16*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z4)/(16*s123*s14*s23*z14) + 
   (CA*(CA - 2*CF)*D*s1234*s34*z4)/(16*s124*s14*s23*z14) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z4)/(16*s12*s123*s14*s23*z14) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(4*s12*s123*z12*z14) - 
   (CF*(-CA + 2*CF)*s1234*z1*z4)/(s124^2*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1*z4)/
    (s123*s124*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z1*z4)/(s12*s123*s124*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s12*s134*z12*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     z1*z4)/(s123*s134*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1*z4)/
    (s124*s134*z12*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z1*z4)/(s12*s123*s134*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1*z4)/
    (s12*s124*s134*z12*z14) - (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s123*s14*z12*z14) - (CF*(-CA + 2*CF)*s12*s1234*z1*z4)/
    (2*s124^2*s14*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z1*z4)/(s123*s124*s14*z12*z14) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s12*s123*s14*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1*z4)/
    (s123*s124*s14*z12*z14) - (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s134*s14*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s134*s14*z12*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z1*z4)/(s123*s134*s14*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1*z4)/
    (s124*s134*s14*z12*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z1*z4)/(s12*s123*s134*s14*z12*z14) - 
   (CF*(-CA + 2*CF)*s1234*s14*z1*z4)/(2*s12*s124^2*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z1*z4)/
    (s12*s124*s134*z12*z14) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s123*s23*z12*z14) + (7*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (4*s12*s123*s23*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s124*s23*z12*z14) - (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s123*s14*s23*z12*z14) + (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s124*s14*s23*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s123*s14*s23*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s124*s14*s23*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s12*s123*s14*s23*z12*z14) + (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (4*s12*s124*s23*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1*z4)/(s12*s123*s124*z12*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1*z4)/
    (s12*s123*s134*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1*z4)/(s123*s124*s14*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(4*s12*s134*s14*z12*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z1*z4)/
    (s12*s123*s134*s14*z12*z14) - (CF*(-CA + 2*CF)*s1234*s24*z1*z4)/
    (s12*s124^2*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1*z4)/(s12*s124*s134*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s12*s123*s14*z12*z14) - (CF*(-CA + 2*CF)*s1234*s24*z1*z4)/
    (s124^2*s14*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z1*z4)/(s123*s124*s14*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1*z4)/
    (s12*s123*s124*s14*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s12*s134*s14*z12*z14) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z1*z4)/(s12*s124*s134*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(2*s12*s124*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z4)/(4*s123*s14*s23*z12*z14) + 
   (7*CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s124*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(4*s12*s123*s14*s23*z12*z14) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s12*s124*s14*s23*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1*z4)/
    (s12*s123*s124*s14*z12*z14) - (CF*(-CA + 2*CF)*s1234*s24^2*z1*z4)/
    (2*s12*s124^2*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (4*s12*s124*s14*s23*z12*z14) + (7*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s34*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s124*s34*z12*z14) - (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s134*s34*z12*z14) - (7*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s134*s34*z12*z14) + (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s124*s14*s34*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s124*s14*s34*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s134*s14*s34*z12*z14) - (3*CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s12*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (4*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (4*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (4*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (4*s12*s134*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (4*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (4*s12*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (2*s12*s124*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s12*s134*s34*z12*z14) + (7*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s124*s14*s34*z12*z14) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s124*s14*s34*z12*z14) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (4*s12*s134*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (4*s12*s124*s14*s34*z12*z14) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (4*s12*s124*s14*s34*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1*z4)/
    (s12*s124*s134*z12*z14) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s12*s123*s14*z12*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1*z4)/(s123*s134*s14*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s34*z1*z4)/
    (s124*s134*s14*z12*z14) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s34*z1*z4)/(s12*s123*s134*s14*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(8*s12*s124*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(8*s123*s14*s23*z12*z14) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z4)/(8*s124*s14*s23*z12*z14) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z4)/(8*s12*s123*s14*s23*z12*z14) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s34*z1*z4)/
    (s12*s123*s134*s14*z12*z14) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*s34*z1*z4)/
    (s12*s124*s134*s14*z12*z14) + (CA*(CA - 2*CF)*s1234*s24*s34*z1*z4)/
    (8*s12*s124*s14*s23*z12*z14) - (CA*(CA - 2*CF)*s1234*z4)/
    (8*s12*s124*z23) + (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/
    (s123*s124*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z4)/
    (2*s123*s124*z23) - (5*CA*(CA - 2*CF)*s1234*z4)/(16*s123*s14*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s14*z23) - 
   (9*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s14*z23) + 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s124*s14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s14*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s123*s124*s23*z23) + 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s124*s23*z23) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s123*s124*s23*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s123*s14*s23*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s12*s1234*z4)/
    (4*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s124*s14*s23*z23) - (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s123*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s123*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (8*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s124*s14*s23*z23) + (CA*(CA - 2*CF)*s12*s1234*z4)/
    (8*s134*s14*s23*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s14*s23*z23) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (4*s134*s14*s23*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s23*z23) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*z4)/(s124*s234*z23) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*
     s1234*z4)/(2*s124*s234*z23) - (3*CA*(CA - 2*CF)*s1234*z4)/
    (16*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*z4)/(32*s23*s234*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s23*s234*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s23*s234*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s134*s23*s234*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s134*s23*s234*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s14*s23*s234*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s14*s23*s234*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s14*s23*s234*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s23*s234*z23) - (5*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s23*z23) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s124*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (2*s124*s23*s234*z23) + (3*CA*(CA - 2*CF)*s1234*z4)/(16*s123*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s34*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s34*z23) + 
   (CA*(CA - 2*CF)*s1234*z4)/(4*s134*s34*z23) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (16*s134*s34*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s123*s134*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (2*s123*s134*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s14*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s14*s34*z23) + (9*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s34*z23) - (3*CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s123*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (8*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s123*s23*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s123*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s123*s23*s34*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s13*z4)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z4)/
    (2*s123*s134*s23*s34*z23) + (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z4)/(s123*s134*s23*s34*z23) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z4)/
    (2*s123*s134*s23*s34*z23) + (CA*(CA - 2*CF)*s12^2*s1234*z4)/
    (16*s134*s14*s23*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (8*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/
    (16*s134*s14*s23*s34*z23) + (5*CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (16*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*s1234*z4)/(16*s234*s34*z23) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s234*s34*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s234*s34*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s234*s34*z23) - 
   (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s134*s234*s34*z23) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s134*s234*s34*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s14*s234*s34*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s14*s234*s34*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s14*s234*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s234*s34*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z4)/
    (8*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/
    (32*s134*s14*s23*s34*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (4*s134*s14*s23*s34*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s134*s14*s23*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s23*s234*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s23*s234*s34*z23) - (3*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s134*s23*s234*s34*z23) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (2*s134*s23*s234*s34*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s24*z4)/
    (16*s14*s23*s234*s34*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/
    (32*s14*s23*s234*s34*z23) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s14*s23*s234*s34*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s14*s23*s234*s34*z23) - (5*CA*(CA - 2*CF)*s1234*s34*z4)/
    (16*s124*s14*s23*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z4)/
    (16*s124*s14*s23*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z4)/
    (16*s12*s124*s14*s23*z23) - (3*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z4)/(s124*s23*s234*z23) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s1234*s34*z4)/
    (2*s124*s23*s234*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s12*s123*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (8*s12*s123*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (16*s12*s123*s14*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s123*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s124*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s124*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (16*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (4*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s134*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s134*s23*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (8*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (8*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/
    (32*s12*s124*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s14*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s14*s234*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (16*s23*s234*z14*z23) - (3*CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (32*s14*s23*s234*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (16*s12*s123*s14*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (32*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (8*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*s12^2*s1234*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (8*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (8*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z1*z4)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (16*s14*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s24*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z4)/
    (32*s134*s14*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (32*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s14*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (16*s14*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (16*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s12*s1234*s24*z1*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z1*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (8*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/
    (32*s134*s14*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (16*s14*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/
    (32*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (16*s12*s123*s14*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s12*s124*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s123*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s124*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s34*z1*z4)/
    (16*s12*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z4)/
    (32*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s34*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z1*z4)/
    (32*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (8*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s134*s14*s23*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s34*z1*z4)/
    (32*s14*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s1234*s34^2*z1*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s123*s14*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s123*s14*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s124*s23*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s124*s23*z12*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s123*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s124*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s123*s14*s23*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s124*s14*s23*z12*z23) - (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s12*s123*s14*s23*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s23*s234*z12*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s124*s14*s23*z12*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s12*s124*s14*s23*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s123*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s123*s34*z12*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s12*s123*s23*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s234*s34*z12*z23) - (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s12*s23*s234*s34*z12*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (4*s123*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s123*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (16*s124*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s12*s123*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s12*s123*s23*z14*z23) + (7*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s12*s124*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z2*z4)/
    (8*s134*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s134*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (4*s134*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (16*s134*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (8*s12*s124*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*z2*z4)/
    (16*s23*s234*z14*z23) - (CA*(CA - 2*CF)*D*s1234*z2*z4)/
    (32*s23*s234*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s14*s23*s234*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s134*s23*s34*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (8*s134*s23*s34*z14*z23) - (5*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*s13*z2*z4)/
    (4*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*s13*z2*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (4*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (4*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/
    (16*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z2*z4)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s12*s1234*z2*z4)/
    (32*s23*s234*s34*z14*z23) + (5*CA*(CA - 2*CF)*s1234*s13*z2*z4)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/
    (32*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12^2*s1234*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s14*z2*z4)/
    (8*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/
    (16*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (8*s134*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s134*s23*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (4*s134*s14*s23*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/
    (16*s134*s14*s23*s34*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/
    (16*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/
    (32*s23*s234*s34*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*s24*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/
    (16*s14*s23*s234*s34*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s12*s124*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (8*s123*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*s34*z2*z4)/
    (16*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s34*z2*z4)/
    (32*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (8*s12*s123*s14*s23*z14*z23) + (CA*(CA - 2*CF)*D*s1234*s13*s34*z2*z4)/
    (32*s12*s123*s14*s23*z14*z23) + (3*CA*(CA - 2*CF)*s1234*s13*s34*z2*z4)/
    (16*s12*s124*s14*s23*z14*z23) - (CA*(CA - 2*CF)*D*s1234*s13*s34*z2*z4)/
    (32*s12*s124*s14*s23*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (4*s12*s123*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (8*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (8*s12*s123*s14*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (4*s123*s23*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*z1*z2*z4)/
    (8*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (4*s12*s123*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (8*s12*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s12*s1234*z1*z2*z4)/
    (8*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s12*s1234*z1*z2*z4)/
    (8*s124*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (4*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/
    (8*s124*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z4)/
    (8*s12*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s14*z1*z2*z4)/
    (4*s12*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (8*s12*s123*s14*z12*z14*z23) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (8*s12*s124*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (8*s123*s14*s23*z12*z14*z23) - (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/
    (4*s124*s14*s23*z12*z14*z23) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/
    (8*s12*s123*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/(8*s12*s124*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z4)/(8*s12*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(8*s12*s123*s14*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(8*s12*s124*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(8*s123*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(8*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z1*z2*z4)/(8*s12*s123*s14*s23*z12*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*s34*z1*z2*z4)/(8*s12*s124*s14*s23*z12*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s123*s23*z14*z23) - 
   (5*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s12*s123*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s134*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s12*s123*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(32*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s124*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(32*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(2*s134*s23*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(32*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s134*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3*z4)/(32*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/(32*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(4*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(16*s134*s23*s34*z14*z23) - 
   (7*CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(32*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12^2*s1234*z3*z4)/(8*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z3*z4)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/(32*s14*s23*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(16*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s134*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(16*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3*z4)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(32*s134*s14*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(8*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z3*z4)/(32*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(8*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(32*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(16*s12*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(16*s123*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z3*z4)/(8*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s13*s34*z3*z4)/(16*s12*s123*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4)/(2*s12*s124*z34) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (8*s12*s124*z34) - (CF*(-CA + 2*CF)*s1234*z4)/(s134^2*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*z4)/(4*s134^2*z34) + (CA*(CA - 2*CF)*s1234*z4)/
    (2*s12*s134*z34) - (CA*(CA - 2*CF)*D*s1234*z4)/(8*s12*s134*z34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s124*s134*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*z4)/(s124*s134*z34) + 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s124*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s124*s14*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s14*z34) + 
   (CA*(CA - 2*CF)*s1234*z4)/(16*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*z4)/
    (32*s134*s14*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*
     z4)/(s124*s134*s14*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s134*s14*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s134*s14*z34) - (3*CA*(CA - 2*CF)*s1234*z4)/(16*s123*s23*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(16*s12*s123*s23*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s23*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s134*s23*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s123*s134*s23*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s13*z4)/
    (s123*s134*s23*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*
     s13*z4)/(2*s123*s134*s23*z34) - (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s14*s23*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s14*s23*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s23*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s23*z34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*z4)/(s124*s234*z34) + ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*
     D*s1234*z4)/(s124*s234*z34) + 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z4)/(s134*s234*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*z4)/(s134*s234*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s124*s14*s234*z34) + (CA*(CA - 2*CF)*s1234*z4)/(16*s23*s234*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s23*s234*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s123*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s23*s234*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s123*s23*s234*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z4)/(2*s123*s23*s234*z34) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s14*s23*s234*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s14*s23*s234*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s14*s23*s234*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s23*s234*z34) - (3*CA*(CA - 2*CF)*s1234*z4)/(8*s123*s34*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*z4)/(32*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s124*s34*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s123*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s123*s34*z34) + 
   (5*CA*(CA - 2*CF)*s1234*s13*z4)/(8*s12*s124*s34*z34) - 
   (5*CA*(CA - 2*CF)*D*s1234*s13*z4)/(32*s12*s124*s34*z34) - 
   (CF*(-CA + 2*CF)*s1234*s13*z4)/(s134^2*s34*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*s13*z4)/(4*s134^2*s34*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z4)/(16*s134*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s134*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s124*s134*s34*z34) + (9*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s134*s34*z34) - (5*CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s134*s34*z34) - (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z4)/(s124*s134*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*z4)/
    (s124*s134*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (8*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s14*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z4)/(s124*s134*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s14*z4)/
    (4*s12*s123*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z4)/
    (16*s12*s123*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*z4)/
    (2*s12*s124*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z4)/
    (8*s12*s124*s34*z34) - (CF*(-CA + 2*CF)*s1234*s14*z4)/(s134^2*s34*z34) + 
   (CF*(-CA + 2*CF)*D*s1234*s14*z4)/(4*s134^2*s34*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z4)/(2*s12*s134*s34*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z4)/(8*s12*s134*s34*z34) - 
   (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s14*z4)/
    (s124*s134*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*
     s14*z4)/(s124*s134*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (16*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (16*s12*s123*s23*s34*z34) - (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s134*s23*s34*z34) + (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s134*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s134*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s134*s23*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s13*z4)/(s123*s134*s23*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s13*z4)/
    (2*s123*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13^2*z4)/(s123*s134*s23*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13^2*z4)/
    (2*s123*s134*s23*s34*z34) - (3*CA*(CA - 2*CF)*s12*s1234*s13*z4)/
    (16*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*D*s12*s1234*s13*z4)/
    (32*s134*s14*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z4)/
    (16*s134*s14*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13^2*z4)/
    (32*s134*s14*s23*s34*z34) - (5*CA*(CA - 2*CF)*s1234*s14*z4)/
    (16*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s14*z4)/
    (16*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z4)/
    (16*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s14*z4)/
    (16*s12*s123*s23*s34*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s12*s1234*s14*z4)/(s123*s134*s23*s34*z34) + 
   (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*D*s12*s1234*s14*z4)/
    (2*s123*s134*s23*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*s14*z4)/(s123*s134*s23*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s13*s14*z4)/
    (2*s123*s134*s23*s34*z34) + (5*CA*(CA - 2*CF)*s1234*s23*z4)/
    (8*s12*s124*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (8*s12*s124*s34*z34) + (CA*(CA - 2*CF)*s1234*s23*z4)/
    (2*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z4)/
    (8*s12*s134*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z4)/
    (16*s124*s14*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s23*z4)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*z4)/(16*s234*s34*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z4)/(32*s234*s34*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*z4)/
    (s123*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*
     s1234*z4)/(2*s123*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s12*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*s1234*
     s13*z4)/(s123*s234*s34*z34) + (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     D*s1234*s13*z4)/(2*s123*s234*s34*z34) + (3*CA*(CA - 2*CF)*s12*s1234*z4)/
    (16*s14*s234*s34*z34) - (CA*(CA - 2*CF)*D*s12*s1234*z4)/
    (32*s14*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*z4)/
    (16*s14*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z4)/
    (32*s14*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s14*z4)/
    (8*s12*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s14*z4)/
    (16*s12*s234*s34*z34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z4)/(s124*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (s124*s234*s34*z34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s23*z4)/(s134*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s23*z4)/
    (s134*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s23*z4)/(s124*s14*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s12*s124*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s12*s124*s34*z34) + (CA*(CA - 2*CF)*s1234*s24*z4)/
    (4*s12*s134*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (16*s12*s134*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s124*s14*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s12*s124*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (4*s12*s134*s14*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (16*s12*s134*s14*s34*z34) - (CA*(CA - 2*CF)*s1234*s24*z4)/
    (8*s123*s23*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s123*s23*s34*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (8*s12*s123*s23*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s123*s23*s34*z34) + (4*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z4)/(s124*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/4 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (s124*s234*s34*z34) + (4*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     s24*z4)/(s134*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s1234*s24*z4)/
    (s134*s234*s34*z34) + (((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z4)/(s124*s14*s234*s34*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z4)/
    (16*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z4)/
    (32*s23*s234*s34*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*s24*z4)/(s123*s23*s234*s34*z34) + 
   ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*D*s12*s1234*s24*z4)/
    (2*s123*s23*s234*s34*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s12*s23*s234*s34*z34) + ((-(CA*(CA - 2*CF))/8 + ((CA - 2*CF)*CF)/4)*
     s1234*s13*s24*z4)/(s123*s23*s234*s34*z34) + 
   (((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*D*s1234*s13*s24*z4)/
    (2*s123*s23*s234*s34*z34) + (3*CA*(CA - 2*CF)*s12*s1234*s24*z4)/
    (16*s14*s23*s234*s34*z34) - (CA*(CA - 2*CF)*D*s12*s1234*s24*z4)/
    (32*s14*s23*s234*s34*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z4)/
    (16*s14*s23*s234*s34*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z4)/
    (32*s14*s23*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z4)/
    (8*s12*s23*s234*s34*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s12*s123*z12*z34) + (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s12*s124*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s12*s124*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s12*s134*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s12*s134*z12*z34) + (5*CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (8*s124*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s12*s124*s14*z12*z34) + (5*CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (8*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s123*s23*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (32*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s12*s134*s14*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (32*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s12*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s124*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s12*s124*s14*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s134*s14*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s12*s134*s14*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s23*s234*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (8*s124*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s12*s124*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s134*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*z1*z4)/
    (32*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s12*s134*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/
    (32*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*z1*z4)/
    (32*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13^2*z1*z4)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (8*s12*s123*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (16*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (16*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s14*z1*z4)/
    (16*s12*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s12*s123*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (32*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (8*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z4)/
    (32*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (16*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s23*z1*z4)/
    (32*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s23*z1*z4)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (8*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (8*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s23*z1*z4)/
    (8*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s123*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s124*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s12*s124*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s12*s134*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s124*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s134*s14*s34*z12*z34) - (CA*(CA - 2*CF)*D*s1234*s24*z1*z4)/
    (32*s134*s14*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s13*s24*z1*z4)/
    (16*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s123*s23*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s123*s23*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z4)/
    (32*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (8*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s23*s24*z1*z4)/
    (32*s12*s134*s14*s34*z12*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s12*s23*s234*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s14*s24*z1*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (16*s12*s124*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/
    (32*s12*s124*s14*s34*z12*z34) - (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (8*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*D*s1234*s24^2*z1*z4)/
    (32*s12*s134*s14*s34*z12*z34) + (CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (16*s12*s23*s234*s34*z12*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s12*s124*z14*z34) - (CF*(-CA + 2*CF)*s1234*z1*z4)/(s134^2*z14*z34) + 
   (7*CA*(CA - 2*CF)*s1234*z1*z4)/(16*s12*s134*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*z1*z4)/
    (s124*s134*z14*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s124*s14*z14*z34) - (CF*(-CA + 2*CF)*s1234*s13*z1*z4)/
    (s134^2*s14*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z1*z4)/(s124*s134*s14*z14*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s12*s134*s14*z14*z34) + 
   (7*CA*(CA - 2*CF)*s1234*z1*z4)/(16*s134*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s134*s14*s23*z14*z34) + 
   (7*CA*(CA - 2*CF)*s1234*s13*z1*z4)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(4*s12*s134*s14*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*z1*z4)/
    (s124*s234*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*
     z1*z4)/(s134*s234*z14*z34) - (3*CA*(CA - 2*CF)*s1234*z1*z4)/
    (16*s14*s234*z14*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z1*z4)/(s124*s14*s234*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*z1*z4)/
    (s134*s14*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s23*s234*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*z1*z4)/
    (8*s14*s23*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (4*s14*s23*s234*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1*z4)/(s134*s14*s234*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s124*s14*z14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s12*s134*s14*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1*z4)/
    (s124*s134*s14*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s134*s14*s23*z14*z34) - (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1*z4)/(s124*s14*s234*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1*z4)/
    (s134*s14*s234*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (8*s14*s23*s234*z14*z34) - (CA*(CA - 2*CF)*s1234*z1*z4)/
    (4*s124*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (4*s12*s124*s34*z14*z34) - (CF*(-CA + 2*CF)*s1234*s13*z1*z4)/
    (s134^2*s34*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*
     s1234*z1*z4)/(s124*s134*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13*z1*z4)/
    (2*s12*s134*s34*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s13*z1*z4)/(s124*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(4*s124*s14*s34*z14*z34) - 
   (CF*(-CA + 2*CF)*s1234*s13^2*z1*z4)/(2*s134^2*s14*s34*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s12*s1234*s13*z1*z4)/
    (s124*s134*s14*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/
    (4*s12*s134*s14*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (4*s12*s124*s34*z14*z34) - (CF*(-CA + 2*CF)*s1234*s14*z1*z4)/
    (2*s134^2*s34*z14*z34) + (CA*(CA - 2*CF)*s1234*s14*z1*z4)/
    (4*s12*s134*s34*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s14*z1*z4)/(s124*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s134*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(2*s134*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s13*z1*z4)/(8*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z4)/(4*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z4)/(4*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(4*s12*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(4*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z4)/(4*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z4)/(4*s12*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z1*z4)/(4*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z4)/(8*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z4)/(4*s14*s234*s34*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*z1*z4)/
    (s124*s234*s34*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s23*z1*z4)/(s134*s234*s34*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s23*z1*z4)/
    (s124*s14*s234*s34*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s23*z1*z4)/
    (s134*s14*s234*s34*z14*z34) - (7*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s124*s34*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s12*s134*s34*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1*z4)/(s124*s134*s34*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(4*s12*s124*s14*s34*z14*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/(16*s12*s134*s14*s34*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1*z4)/
    (s124*s134*s14*s34*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (16*s134*s23*s34*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (16*s134*s14*s23*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s23*s24*z1*z4)/
    (4*s12*s124*s14*s34*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24*z1*z4)/
    (s124*s234*s34*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s24*z1*z4)/(s134*s234*s34*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z4)/(16*s14*s234*s34*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s12*s1234*s24*z1*z4)/
    (s124*s14*s234*s34*z14*z34) + 
   (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*s1234*s13*s24*z1*z4)/
    (s134*s14*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s24*z1*z4)/
    (4*s23*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s12*s1234*s24*z1*z4)/
    (8*s14*s23*s234*s34*z14*z34) - (CA*(CA - 2*CF)*s1234*s13*s24*z1*z4)/
    (4*s14*s23*s234*s34*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s23*s24*z1*z4)/
    (s124*s14*s234*s34*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (16*s12*s124*s14*s34*z14*z34) - 
   (2*((CA*(CA - 2*CF))/4 - ((CA - 2*CF)*CF)/4)*s1234*s24^2*z1*z4)/
    (s124*s14*s234*s34*z14*z34) - (3*CA*(CA - 2*CF)*s1234*s24^2*z1*z4)/
    (16*s14*s23*s234*s34*z14*z34) - (CF*(-CA + 2*CF)*s1234*s34*z1*z4)/
    (2*s134^2*s14*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s12*s134*s14*z14*z34) + (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/
    (16*s134*s14*s23*z14*z34) + (2*((CA*(CA - 2*CF))/8 - ((CA - 2*CF)*CF)/4)*
     s1234*s34*z1*z4)/(s134*s14*s234*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s34*z1*z4)/(16*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(8*s12*s124*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s12*s124*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(4*s12*s134*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s12*s134*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(8*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(4*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(2*s12*s123*s23*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(8*s12*s123*s23*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z4)/(8*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(16*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(8*s12*s23*s234*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(8*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(32*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s123*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s134*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(32*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/(8*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z4)/(32*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s23*z2*z4)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z2*z4)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z2*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z2*z4)/(16*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z2*z4)/(32*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s12*s234*s34*z12*z34) - 
   (9*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z2*z4)/(32*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z2*z4)/(32*s12*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z2*z4)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z2*z4)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z2*z4)/(32*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14^2*z2*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(16*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(8*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(32*s12*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z2*z4)/(32*s23*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z2*z4)/(32*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z2*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s12*s134*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s134*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s134*s23*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s23*s234*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s12*s124*s34*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(8*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z2*z4)/(8*s12*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s12*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z2*z4)/(16*s134*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z2*z4)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z2*z4)/(16*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s12*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z2*z4)/(8*s12*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z2*z4)/(16*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z4)/(4*s12*s124*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z2*z4)/(8*s12*s134*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z4)/(4*s124*s14*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(8*s12*s134*s14*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/(8*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(4*s12*s124*s14*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(8*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z2*z4)/(8*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(8*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(4*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z2*z4)/(8*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z2*z4)/(8*s12*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z4)/(8*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z2*z4)/(8*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/(8*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/(8*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z2*z4)/(8*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z2*z4)/(8*s12*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(4*s12*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(8*s12*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z2*z4)/(8*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/(8*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z2*z4)/(8*s12*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z2*z4)/(8*s12*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z2*z4)/(8*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z2*z4)/(4*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s123*s23*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(4*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s23*s234*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(2*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s124*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s123*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s12*s123*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s12*s124*s34*z12*z34) + 
   (5*CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(16*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(4*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s12*s134*s14*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(32*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(2*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z3*z4)/(8*s123*s23*s34*z12*z34) - 
   (9*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/(32*s12*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(32*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s14*z3*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3*z4)/(32*s12*s123*s23*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z3*z4)/(32*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z3*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z3*z4)/(16*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*z3*z4)/(32*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s12*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s12*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*D*s1234*s13*z3*z4)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z3*z4)/(32*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s14*z3*z4)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z3*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s14*z3*z4)/(32*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14^2*z3*z4)/(16*s12*s23*s234*s34*z12*z34) + 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s12*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s134*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s123*s23*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s123*s23*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(32*s12*s123*s23*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s24*z3*z4)/(32*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(8*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z3*z4)/(32*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3*z4)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s12*s134*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s134*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(8*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(8*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(8*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(16*s134*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s12*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(8*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s23*s234*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(8*s12*s134*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(8*s12*s134*s14*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s12*s134*s14*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z3*z4)/(8*s124*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s12*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s134*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s12*s134*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(4*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s134*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z3*z4)/(8*s12*s134*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3*z4)/(8*s12*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3*z4)/(8*s12*s134*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(8*s12*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(8*s12*s134*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*z1*z3*z4)/(8*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s23*z1*z3*z4)/(8*s12*s134*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(4*s12*s124*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s12*s134*s34*z12*z14*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(8*s12*s124*s14*s34*z12*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(8*s12*s134*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s23*s24*z1*z3*z4)/(8*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3*z4)/(8*s12*s124*s14*s34*z12*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s14*s23*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s23*s234*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s14*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s23*s234*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s123*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s123*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s12*s123*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s134*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s134*s23*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z3*z4)/(16*s134*s14*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z3*z4)/(16*s134*s14*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s14*z3*z4)/(8*s12*s123*s23*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z3*z4)/(16*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s12*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z3*z4)/(16*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z3*z4)/(16*s14*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z3*z4)/(8*s12*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z3*z4)/(16*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s12*s23*s234*s34*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z3*z4)/(16*s14*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z3*z4)/(16*s14*s23*s234*s34*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*s24*z3*z4)/(8*s12*s23*s234*s34*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*z1*z3*z4)/(8*s134*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(8*s134*s14*s23*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(4*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(8*s14*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(8*s14*s23*s234*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(4*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(8*s134*s23*s34*z14*z23*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s134*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z1*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z1*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z1*z3*z4)/(4*s134*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*z1*z3*z4)/(4*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z1*z3*z4)/(8*s14*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z1*z3*z4)/(8*s14*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s134*s23*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(8*s134*s14*s23*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(8*s14*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z1*z3*z4)/(4*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z1*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z1*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s24^2*z1*z3*z4)/(8*s14*s23*s234*s34*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3*z4)/(8*s134*s14*s23*z14*z23*z34) + 
   (CA*(CA - 2*CF)*s1234*s34*z1*z3*z4)/(8*s14*s23*s234*z14*z23*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s124*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s12*s124*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(32*s134*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s134*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s134*s14*s23*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s14*s23*s234*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(32*s14*s23*s234*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s14*s23*s234*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s12*s124*s14*s23*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(4*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(16*s134*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(4*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(16*s134*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12^2*s1234*z4^2)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z4^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(8*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(32*s134*s14*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*z4^2)/(8*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*z4^2)/(16*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(16*s23*s234*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12^2*s1234*z4^2)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12^2*s1234*z4^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(32*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s12*s1234*s24*z4^2)/(8*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z4^2)/(32*s134*s14*s23*s34*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(8*s134*s14*s23*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(32*s134*s14*s23*s34*z14*z23) - 
   (3*CA*(CA - 2*CF)*s12*s1234*s24*z4^2)/(16*s14*s23*s234*s34*z14*z23) + 
   (CA*(CA - 2*CF)*D*s12*s1234*s24*z4^2)/(32*s14*s23*s234*s34*z14*z23) + 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(32*s14*s23*s234*s34*z14*z23) - 
   (CA*(CA - 2*CF)*s1234*s34*z4^2)/(16*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*s13*s34*z4^2)/(16*s12*s124*s14*s23*z14*z23) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s124*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(16*s124*s14*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(4*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(16*s134*s14*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s23*s234*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s124*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(32*s124*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s12*s124*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(8*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*z4^2)/(32*s134*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s12*s134*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s12*s134*s34*z12*z34) - 
   (5*CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(32*s12*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(8*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*z4^2)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13^2*z4^2)/(32*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(32*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4^2)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s23*z4^2)/(8*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s23*z4^2)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s23*z4^2)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s23*z4^2)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s234*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s12*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s14*z4^2)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s14*z4^2)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s124*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(32*s124*s14*s34*z12*z34) - 
   (3*CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(32*s12*s124*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(8*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*D*s1234*s24*z4^2)/(32*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(8*s12*s134*s14*s34*z12*z34) + 
   (CA*(CA - 2*CF)*D*s1234*s13*s24*z4^2)/(32*s12*s134*s14*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s23*s234*s34*z12*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s12*s23*s234*s34*z12*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s134*s14*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s134*s14*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s134*s14*s23*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s14*s23*s234*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s124*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s124*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*z4^2)/(16*s134*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s12*s134*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s134*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s12*s134*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s134*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s134*s23*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s12*s1234*s13*z4^2)/(16*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s1234*s13^2*z4^2)/(16*s134*s14*s23*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*z4^2)/(16*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*z4^2)/(16*s14*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s24*z4^2)/(16*s124*s14*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s12*s124*s14*s34*z14*z34) + 
   (CA*(CA - 2*CF)*s12*s1234*s24*z4^2)/(16*s14*s23*s234*s34*z14*z34) - 
   (CA*(CA - 2*CF)*s1234*s13*s24*z4^2)/(16*s14*s23*s234*s34*z14*z34))
