(* Created with the Wolfram Language for Students - Personal Use Only : www.wolfram.com *)
k4k4*((-4*s1234)/(s123*s234) - (2*s12*s1234)/(s123*s13*s234) - 
   (2*s1234*s13)/(s12*s123*s234) - (4*s1234)/(s123*s24) + 
   (2*s1234)/(s13*s24) + (6*s1234*s23)/(s123*s13*s24) - 
   (2*D*s1234*s23)/(s123*s13*s24) - (8*s1234)/(s234*s24) - 
   (8*s12*s1234)/(s123*s234*s24) - (4*s12^2*s1234)/(s123*s13*s234*s24) - 
   (4*s1234*s13)/(s123*s234*s24) - (8*s1234*s14)/(s123*s234*s24) - 
   (4*s12*s1234*s14)/(s123*s13*s234*s24) - (4*s1234*s13*s14)/
    (s12*s123*s234*s24) + (22*s1234*s23)/(s123*s234*s24) - 
   (4*D*s1234*s23)/(s123*s234*s24) - (2*s12*s1234*s23)/(s123*s13*s234*s24) + 
   (2*s1234)/(s12*s34) - (4*s1234)/(s123*s34) + 
   (6*s1234*s23)/(s12*s123*s34) - (2*D*s1234*s23)/(s12*s123*s34) - 
   (8*s1234)/(s234*s34) - (4*s12*s1234)/(s123*s234*s34) - 
   (8*s1234*s13)/(s123*s234*s34) - (4*s1234*s13^2)/(s12*s123*s234*s34) - 
   (8*s1234*s14)/(s123*s234*s34) - (4*s12*s1234*s14)/(s123*s13*s234*s34) - 
   (4*s1234*s13*s14)/(s12*s123*s234*s34) + (22*s1234*s23)/(s123*s234*s34) - 
   (4*D*s1234*s23)/(s123*s234*s34) - (2*s1234*s13*s23)/(s12*s123*s234*s34) + 
   (4*s1234)/(s24*s34) - (4*s1234*s14)/(s12*s24*s34) - 
   (4*s1234*s14)/(s13*s24*s34) - (4*s1234*s14*s23)/(s12*s13*s24*s34) + 
   (4*s1234*s23)/(s234*s24*s34) - (2*s1234*s24)/(s123*s234*s34) - 
   (2*s1234*s13*s24)/(s12*s123*s234*s34) - (2*s1234*s34)/(s123*s234*s24) - 
   (2*s12*s1234*s34)/(s123*s13*s234*s24) + (4*s1234*z1)/(s123*s234*z2) + 
   (4*s1234*s13*z1)/(s12*s123*s234*z2) + (2*s1234*s23*z1)/
    (s12*s123*s234*z2) - (2*s1234*s23*z1)/(s123*s13*s234*z2) - 
   (2*s1234*s23*z1)/(s123*s234*s24*z2) - (2*s12*s1234*s23*z1)/
    (s123*s13*s234*s24*z2) - (2*s1234*s23^2*z1)/(s123*s13*s234*s24*z2) + 
   (4*s1234*z1)/(s12*s34*z2) - (8*s1234*z1)/(s123*s34*z2) - 
   (8*s1234*s13*z1)/(s12*s123*s34*z2) - (8*s1234*s23*z1)/(s12*s123*s34*z2) + 
   (2*s1234*s23*z1)/(s12*s13*s34*z2) - (2*s1234*s23^2*z1)/
    (s12*s123*s13*s34*z2) + (2*s1234*s23*z1)/(s123*s234*s34*z2) - 
   (2*s12*s1234*s23*z1)/(s123*s13*s234*s34*z2) + 
   (4*s1234*s13*s23*z1)/(s12*s123*s234*s34*z2) + 
   (2*s1234*s23^2*z1)/(s12*s123*s234*s34*z2) - 
   (4*s1234*s23^2*z1)/(s123*s13*s234*s34*z2) + 
   (2*s1234*s23*z1)/(s13*s24*s34*z2) - (2*s1234*s23^2*z1)/
    (s13*s234*s24*s34*z2) + (4*s1234*s24*z1)/(s123*s234*s34*z2) + 
   (4*s1234*s13*s24*z1)/(s12*s123*s234*s34*z2) + 
   (2*s1234*s23*s24*z1)/(s12*s123*s234*s34*z2) - 
   (2*s1234*s23*s24*z1)/(s123*s13*s234*s34*z2) + 
   (4*s1234*z1)/(s123*s234*z3) + (4*s12*s1234*z1)/(s123*s13*s234*z3) - 
   (2*s1234*s23*z1)/(s12*s123*s234*z3) + (2*s1234*s23*z1)/
    (s123*s13*s234*z3) - (8*s1234*z1)/(s123*s24*z3) + 
   (4*s1234*z1)/(s13*s24*z3) - (8*s12*s1234*z1)/(s123*s13*s24*z3) + 
   (2*s1234*s23*z1)/(s12*s13*s24*z3) - (8*s1234*s23*z1)/(s123*s13*s24*z3) - 
   (2*s1234*s23^2*z1)/(s12*s123*s13*s24*z3) + 
   (2*s1234*s23*z1)/(s123*s234*s24*z3) + (4*s12*s1234*s23*z1)/
    (s123*s13*s234*s24*z3) - (2*s1234*s13*s23*z1)/(s12*s123*s234*s24*z3) - 
   (4*s1234*s23^2*z1)/(s12*s123*s234*s24*z3) + 
   (2*s1234*s23^2*z1)/(s123*s13*s234*s24*z3) - 
   (2*s1234*s23*z1)/(s123*s234*s34*z3) - (2*s1234*s13*s23*z1)/
    (s12*s123*s234*s34*z3) - (2*s1234*s23^2*z1)/(s12*s123*s234*s34*z3) + 
   (2*s1234*s23*z1)/(s12*s24*s34*z3) - (2*s1234*s23^2*z1)/
    (s12*s234*s24*s34*z3) + (4*s1234*s34*z1)/(s123*s234*s24*z3) + 
   (4*s12*s1234*s34*z1)/(s123*s13*s234*s24*z3) - 
   (2*s1234*s23*s34*z1)/(s12*s123*s234*s24*z3) + 
   (2*s1234*s23*s34*z1)/(s123*s13*s234*s24*z3) + 
   (2*s1234*z2)/(s123*s234*z3) + (2*s1234*s13*z2)/(s12*s123*s234*z3) - 
   (2*s1234*z2)/(s12*s24*z3) + (2*s1234*s23*z2)/(s12*s123*s24*z3) - 
   (4*s1234*z2)/(s234*s24*z3) + (4*s12*s1234*z2)/(s123*s234*s24*z3) + 
   (6*s1234*s13*z2)/(s123*s234*s24*z3) + (2*s1234*s13^2*z2)/
    (s12*s123*s234*s24*z3) + (6*s1234*s23*z2)/(s123*s234*s24*z3) + 
   (4*s1234*s13*s23*z2)/(s12*s123*s234*s24*z3) + 
   (2*s1234*s13*z2)/(s123*s234*s34*z3) + (2*s1234*s13^2*z2)/
    (s12*s123*s234*s34*z3) + (2*s1234*s13*s23*z2)/(s12*s123*s234*s34*z3) - 
   (2*s1234*s13*z2)/(s12*s24*s34*z3) + (2*s1234*s13*s23*z2)/
    (s12*s234*s24*s34*z3) + (2*s1234*s34*z2)/(s123*s234*s24*z3) + 
   (2*s1234*s13*s34*z2)/(s12*s123*s234*s24*z3) + 
   (2*s1234*z3)/(s123*s234*z2) + (2*s12*s1234*z3)/(s123*s13*s234*z2) + 
   (2*s12*s1234*z3)/(s123*s234*s24*z2) + (2*s12^2*s1234*z3)/
    (s123*s13*s234*s24*z2) + (2*s12*s1234*s23*z3)/(s123*s13*s234*s24*z2) - 
   (2*s1234*z3)/(s13*s34*z2) + (2*s1234*s23*z3)/(s123*s13*s34*z2) - 
   (4*s1234*z3)/(s234*s34*z2) + (6*s12*s1234*z3)/(s123*s234*s34*z2) + 
   (2*s12^2*s1234*z3)/(s123*s13*s234*s34*z2) + 
   (4*s1234*s13*z3)/(s123*s234*s34*z2) + (6*s1234*s23*z3)/
    (s123*s234*s34*z2) + (4*s12*s1234*s23*z3)/(s123*s13*s234*s34*z2) - 
   (2*s12*s1234*z3)/(s13*s24*s34*z2) + (2*s12*s1234*s23*z3)/
    (s13*s234*s24*s34*z2) + (2*s1234*s24*z3)/(s123*s234*s34*z2) + 
   (2*s12*s1234*s24*z3)/(s123*s13*s234*s34*z2) - (8*s1234*z4)/(s234*s24*z2) + 
   (4*s12*s1234*z4)/(s123*s234*s24*z2) + (4*s1234*s13*z4)/
    (s123*s234*s24*z2) + (4*s1234*s23*z4)/(s123*s234*s24*z2) - 
   (8*s1234*z4)/(s234*s34*z2) + (4*s12*s1234*z4)/(s123*s234*s34*z2) + 
   (4*s1234*s13*z4)/(s123*s234*s34*z2) + (4*s1234*s23*z4)/
    (s123*s234*s34*z2) + (4*s1234*z4)/(s24*s34*z2) - 
   (4*s1234*s23*z4)/(s234*s24*s34*z2) - (8*s1234*z4)/(s234*s24*z3) + 
   (4*s12*s1234*z4)/(s123*s234*s24*z3) + (4*s1234*s13*z4)/
    (s123*s234*s24*z3) + (4*s1234*s23*z4)/(s123*s234*s24*z3) - 
   (8*s1234*z4)/(s234*s34*z3) + (4*s12*s1234*z4)/(s123*s234*s34*z3) + 
   (4*s1234*s13*z4)/(s123*s234*s34*z3) + (4*s1234*s23*z4)/
    (s123*s234*s34*z3) + (4*s1234*z4)/(s24*s34*z3) - 
   (4*s1234*s23*z4)/(s234*s24*s34*z3)) + 
 k3k3*((-4*s1234)/(s123*s13) - (24*s1234)/(s123*s234) + 
   (10*D*s1234)/(s123*s234) - (D^2*s1234)/(s123*s234) - 
   (20*s12*s1234)/(s123*s13*s234) + (8*D*s12*s1234)/(s123*s13*s234) - 
   (D^2*s12*s1234)/(s123*s13*s234) + (4*s1234*s14)/(s12*s123*s234) - 
   (D*s1234*s14)/(s12*s123*s234) + (12*s1234*s14)/(s123*s13*s234) - 
   (3*D*s1234*s14)/(s123*s13*s234) - (16*s12*s1234)/(s13*s234*s24) + 
   (8*D*s12*s1234)/(s13*s234*s24) - (D^2*s12*s1234)/(s13*s234*s24) + 
   (4*s1234*s14)/(s123*s234*s24) - (D*s1234*s14)/(s123*s234*s24) + 
   (4*s12*s1234*s14)/(s123*s13*s234*s24) - (D*s12*s1234*s14)/
    (s123*s13*s234*s24) + (8*s1234*s14^2)/(s12*s123*s234*s24) - 
   (2*D*s1234*s14^2)/(s12*s123*s234*s24) + (8*s1234*s14^2)/
    (s123*s13*s234*s24) - (2*D*s1234*s14^2)/(s123*s13*s234*s24) + 
   (4*s1234*s14*s23)/(s123*s13*s234*s24) - (D*s1234*s14*s23)/
    (s123*s13*s234*s24) - (24*s1234)/(s13*s34) + (10*D*s1234)/(s13*s34) - 
   (D^2*s1234)/(s13*s34) + (4*s1234*s14)/(s12*s13*s34) - 
   (D*s1234*s14)/(s12*s13*s34) + (12*s1234*s14)/(s123*s13*s34) - 
   (2*D*s1234*s14)/(s123*s13*s34) + (4*s1234*s14*s23)/(s12*s123*s13*s34) - 
   (D*s1234*s14*s23)/(s12*s123*s13*s34) - (4*s1234)/(s234*s34) - 
   (24*s12*s1234)/(s13*s234*s34) + (10*D*s12*s1234)/(s13*s234*s34) - 
   (D^2*s12*s1234)/(s13*s234*s34) + (12*s1234*s14)/(s123*s234*s34) - 
   (3*D*s1234*s14)/(s123*s234*s34) + (12*s1234*s14)/(s13*s234*s34) - 
   (2*D*s1234*s14)/(s13*s234*s34) + (4*s12*s1234*s14)/(s123*s13*s234*s34) - 
   (D*s12*s1234*s14)/(s123*s13*s234*s34) + (8*s1234*s13*s14)/
    (s12*s123*s234*s34) - (2*D*s1234*s13*s14)/(s12*s123*s234*s34) + 
   (8*s1234*s14^2)/(s12*s123*s234*s34) - (2*D*s1234*s14^2)/
    (s12*s123*s234*s34) + (8*s1234*s14^2)/(s123*s13*s234*s34) - 
   (2*D*s1234*s14^2)/(s123*s13*s234*s34) + (4*s1234*s14*s23)/
    (s12*s123*s234*s34) - (D*s1234*s14*s23)/(s12*s123*s234*s34) - 
   (8*s1234*s14*s23)/(s123*s13*s234*s34) + (2*D*s1234*s14*s23)/
    (s123*s13*s234*s34) + (4*s1234*s14)/(s13*s24*s34) - 
   (D*s1234*s14)/(s13*s24*s34) + (8*s1234*s14^2)/(s12*s13*s24*s34) - 
   (2*D*s1234*s14^2)/(s12*s13*s24*s34) + (4*s1234*s14*s23)/
    (s13*s234*s24*s34) - (D*s1234*s14*s23)/(s13*s234*s24*s34) - 
   (16*s1234*s24)/(s12*s123*s34) + (8*D*s1234*s24)/(s12*s123*s34) - 
   (D^2*s1234*s24)/(s12*s123*s34) - (24*s1234*s24)/(s123*s13*s34) + 
   (10*D*s1234*s24)/(s123*s13*s34) - (D^2*s1234*s24)/(s123*s13*s34) - 
   (20*s1234*s24)/(s123*s234*s34) + (8*D*s1234*s24)/(s123*s234*s34) - 
   (D^2*s1234*s24)/(s123*s234*s34) - (24*s12*s1234*s24)/(s123*s13*s234*s34) + 
   (10*D*s12*s1234*s24)/(s123*s13*s234*s34) - (D^2*s12*s1234*s24)/
    (s123*s13*s234*s34) + (4*s1234*s14*s24)/(s12*s123*s234*s34) - 
   (D*s1234*s14*s24)/(s12*s123*s234*s34) + (4*s1234*s14*s24)/
    (s123*s13*s234*s34) - (D*s1234*s14*s24)/(s123*s13*s234*s34) + 
   (8*s1234*s14*s34)/(s123*s13*s234*s24) - (2*D*s1234*s14*s34)/
    (s123*s13*s234*s24) + (4*s1234*z1)/(s123*s234*z2) - 
   (D*s1234*z1)/(s123*s234*z2) - (8*s1234*z1)/(s13*s234*z2) + 
   (2*D*s1234*z1)/(s13*s234*z2) + (4*s12*s1234*z1)/(s123*s13*s234*z2) - 
   (D*s12*s1234*z1)/(s123*s13*s234*z2) - (8*s1234*s14*z1)/
    (s12*s123*s234*z2) + (2*D*s1234*s14*z1)/(s12*s123*s234*z2) - 
   (8*s1234*s14*z1)/(s123*s13*s234*z2) + (2*D*s1234*s14*z1)/
    (s123*s13*s234*z2) + (4*s1234*s23*z1)/(s123*s13*s234*z2) - 
   (D*s1234*s23*z1)/(s123*s13*s234*z2) - (4*s1234*s24*z1)/
    (s12*s123*s234*z2) + (D*s1234*s24*z1)/(s12*s123*s234*z2) - 
   (4*s1234*s24*z1)/(s123*s13*s234*z2) + (D*s1234*s24*z1)/
    (s123*s13*s234*z2) + (4*s1234*z1)/(s13*s34*z2) - 
   (D*s1234*z1)/(s13*s34*z2) + (16*s1234*s14*z1)/(s12*s123*s34*z2) - 
   (4*D*s1234*s14*z1)/(s12*s123*s34*z2) - (8*s1234*s14*z1)/(s12*s13*s34*z2) + 
   (2*D*s1234*s14*z1)/(s12*s13*s34*z2) + (16*s1234*s14*z1)/
    (s123*s13*s34*z2) - (4*D*s1234*s14*z1)/(s123*s13*s34*z2) + 
   (8*s1234*s14*s23*z1)/(s12*s123*s13*s34*z2) - (2*D*s1234*s14*s23*z1)/
    (s12*s123*s13*s34*z2) - (4*s1234*s23*z1)/(s13*s234*s34*z2) + 
   (D*s1234*s23*z1)/(s13*s234*s34*z2) - (8*s1234*s14*s23*z1)/
    (s12*s123*s234*s34*z2) + (2*D*s1234*s14*s23*z1)/(s12*s123*s234*s34*z2) - 
   (8*s1234*s14*s23*z1)/(s123*s13*s234*s34*z2) + 
   (2*D*s1234*s14*s23*z1)/(s123*s13*s234*s34*z2) + 
   (8*s1234*s24*z1)/(s12*s123*s34*z2) - (2*D*s1234*s24*z1)/
    (s12*s123*s34*z2) - (4*s1234*s24*z1)/(s12*s13*s34*z2) + 
   (D*s1234*s24*z1)/(s12*s13*s34*z2) + (8*s1234*s24*z1)/(s123*s13*s34*z2) - 
   (2*D*s1234*s24*z1)/(s123*s13*s34*z2) + (4*s1234*s23*s24*z1)/
    (s12*s123*s13*s34*z2) - (D*s1234*s23*s24*z1)/(s12*s123*s13*s34*z2) + 
   (4*s1234*s24*z1)/(s123*s234*s34*z2) - (D*s1234*s24*z1)/
    (s123*s234*s34*z2) - (8*s1234*s24*z1)/(s13*s234*s34*z2) + 
   (2*D*s1234*s24*z1)/(s13*s234*s34*z2) + (4*s12*s1234*s24*z1)/
    (s123*s13*s234*s34*z2) - (D*s12*s1234*s24*z1)/(s123*s13*s234*s34*z2) - 
   (8*s1234*s14*s24*z1)/(s12*s123*s234*s34*z2) + 
   (2*D*s1234*s14*s24*z1)/(s12*s123*s234*s34*z2) - 
   (8*s1234*s14*s24*z1)/(s123*s13*s234*s34*z2) + 
   (2*D*s1234*s14*s24*z1)/(s123*s13*s234*s34*z2) - 
   (4*s1234*s23*s24*z1)/(s12*s123*s234*s34*z2) + 
   (D*s1234*s23*s24*z1)/(s12*s123*s234*s34*z2) - 
   (4*s1234*s24^2*z1)/(s12*s123*s234*s34*z2) + 
   (D*s1234*s24^2*z1)/(s12*s123*s234*s34*z2) - 
   (4*s1234*s24^2*z1)/(s123*s13*s234*s34*z2) + 
   (D*s1234*s24^2*z1)/(s123*s13*s234*s34*z2) - (2*s1234*z1)/(s123*s13*z3) + 
   (2*s1234*s23*z1)/(s123*s13*s234*z3) + (2*s1234*s24*z1)/
    (s123*s13*s234*z3) - (2*s1234*s24*z1)/(s12*s234*s34*z3) + 
   (2*s1234*s24*z1)/(s123*s234*s34*z3) + (2*s1234*s13*s24*z1)/
    (s12*s123*s234*s34*z3) + (2*s1234*s23*s24*z1)/(s12*s123*s234*s34*z3) + 
   (2*s1234*s34*z1)/(s123*s13*s234*z3) - (2*s1234*s14*z2)/
    (s123*s13*s234*z3) + (2*s1234*s14*z2)/(s123*s13*s24*z3) - 
   (2*s1234*s14*s23*z2)/(s123*s13*s234*s24*z3) + 
   (2*s1234*s14*z2)/(s12*s234*s34*z3) - (2*s1234*s14*z2)/(s123*s234*s34*z3) - 
   (2*s1234*s13*s14*z2)/(s12*s123*s234*s34*z3) - 
   (2*s1234*s14*s23*z2)/(s12*s123*s234*s34*z3) - 
   (2*s1234*s14*s34*z2)/(s123*s13*s234*s24*z3) - 
   (8*s1234*s14*z3)/(s123*s13*s234*z2) + (2*D*s1234*s14*z3)/
    (s123*s13*s234*z2) + (8*s1234*s14*z3)/(s123*s13*s34*z2) - 
   (2*D*s1234*s14*z3)/(s123*s13*s34*z2) - (8*s1234*s14*z3)/
    (s123*s234*s34*z2) + (2*D*s1234*s14*z3)/(s123*s234*s34*z2) + 
   (8*s1234*s14*z3)/(s13*s234*s34*z2) - (2*D*s1234*s14*z3)/
    (s13*s234*s34*z2) - (8*s12*s1234*s14*z3)/(s123*s13*s234*s34*z2) + 
   (2*D*s12*s1234*s14*z3)/(s123*s13*s234*s34*z2) - 
   (16*s1234*s14*s23*z3)/(s123*s13*s234*s34*z2) + 
   (4*D*s1234*s14*s23*z3)/(s123*s13*s234*s34*z2) - 
   (8*s1234*s14*s24*z3)/(s123*s13*s234*s34*z2) + 
   (2*D*s1234*s14*s24*z3)/(s123*s13*s234*s34*z2) + 
   (4*s1234*z4)/(s123*s234*z2) - (D*s1234*z4)/(s123*s234*z2) + 
   (4*s12*s1234*z4)/(s123*s13*s234*z2) - (D*s12*s1234*z4)/
    (s123*s13*s234*z2) - (4*s12*s1234*z4)/(s123*s234*s24*z2) + 
   (D*s12*s1234*z4)/(s123*s234*s24*z2) + (8*s12*s1234*z4)/(s13*s234*s24*z2) - 
   (2*D*s12*s1234*z4)/(s13*s234*s24*z2) - (4*s12^2*s1234*z4)/
    (s123*s13*s234*s24*z2) + (D*s12^2*s1234*z4)/(s123*s13*s234*s24*z2) - 
   (8*s1234*s14*z4)/(s123*s234*s24*z2) + (2*D*s1234*s14*z4)/
    (s123*s234*s24*z2) + (16*s1234*s14*z4)/(s13*s234*s24*z2) - 
   (4*D*s1234*s14*z4)/(s13*s234*s24*z2) - (8*s12*s1234*s14*z4)/
    (s123*s13*s234*s24*z2) + (2*D*s12*s1234*s14*z4)/(s123*s13*s234*s24*z2) - 
   (4*s12*s1234*s23*z4)/(s123*s13*s234*s24*z2) + 
   (D*s12*s1234*s23*z4)/(s123*s13*s234*s24*z2) - 
   (8*s1234*s14*s23*z4)/(s123*s13*s234*s24*z2) + 
   (2*D*s1234*s14*s23*z4)/(s123*s13*s234*s24*z2) - 
   (8*s1234*z4)/(s123*s34*z2) + (2*D*s1234*z4)/(s123*s34*z2) + 
   (4*s1234*z4)/(s13*s34*z2) - (D*s1234*z4)/(s13*s34*z2) - 
   (8*s12*s1234*z4)/(s123*s13*s34*z2) + (2*D*s12*s1234*z4)/
    (s123*s13*s34*z2) - (4*s1234*s23*z4)/(s123*s13*s34*z2) + 
   (D*s1234*s23*z4)/(s123*s13*s34*z2) - (4*s12*s1234*z4)/(s123*s234*s34*z2) + 
   (D*s12*s1234*z4)/(s123*s234*s34*z2) + (8*s12*s1234*z4)/(s13*s234*s34*z2) - 
   (2*D*s12*s1234*z4)/(s13*s234*s34*z2) - (4*s12^2*s1234*z4)/
    (s123*s13*s234*s34*z2) + (D*s12^2*s1234*z4)/(s123*s13*s234*s34*z2) - 
   (8*s1234*s14*z4)/(s123*s234*s34*z2) + (2*D*s1234*s14*z4)/
    (s123*s234*s34*z2) + (16*s1234*s14*z4)/(s13*s234*s34*z2) - 
   (4*D*s1234*s14*z4)/(s13*s234*s34*z2) - (8*s12*s1234*s14*z4)/
    (s123*s13*s234*s34*z2) + (2*D*s12*s1234*s14*z4)/(s123*s13*s234*s34*z2) + 
   (4*s1234*s23*z4)/(s123*s234*s34*z2) - (D*s1234*s23*z4)/
    (s123*s234*s34*z2) - (8*s1234*s14*s23*z4)/(s123*s13*s234*s34*z2) + 
   (2*D*s1234*s14*s23*z4)/(s123*s13*s234*s34*z2) - 
   (4*s12*s1234*z4)/(s13*s24*s34*z2) + (D*s12*s1234*z4)/(s13*s24*s34*z2) - 
   (8*s1234*s14*z4)/(s13*s24*s34*z2) + (2*D*s1234*s14*z4)/(s13*s24*s34*z2) + 
   (4*s12*s1234*s23*z4)/(s13*s234*s24*s34*z2) - 
   (D*s12*s1234*s23*z4)/(s13*s234*s24*s34*z2) + 
   (8*s1234*s14*s23*z4)/(s13*s234*s24*s34*z2) - (2*D*s1234*s14*s23*z4)/
    (s13*s234*s24*s34*z2) + (4*s1234*s24*z4)/(s123*s234*s34*z2) - 
   (D*s1234*s24*z4)/(s123*s234*s34*z2) + (4*s12*s1234*s24*z4)/
    (s123*s13*s234*s34*z2) - (D*s12*s1234*s24*z4)/(s123*s13*s234*s34*z2) + 
   (2*s12*s1234*z4)/(s123*s13*s234*z3) - (2*s12*s1234*z4)/(s123*s13*s24*z3) + 
   (2*s12*s1234*s23*z4)/(s123*s13*s234*s24*z3) - (2*s1234*z4)/(s234*s34*z3) + 
   (2*s12*s1234*z4)/(s123*s234*s34*z3) + (2*s1234*s13*z4)/
    (s123*s234*s34*z3) + (2*s1234*s23*z4)/(s123*s234*s34*z3) + 
   (2*s12*s1234*s34*z4)/(s123*s13*s234*s24*z3)) + 
 k2k2*((-4*s1234)/(s12*s123) - (24*s1234)/(s123*s234) + 
   (10*D*s1234)/(s123*s234) - (D^2*s1234)/(s123*s234) - 
   (20*s1234*s13)/(s12*s123*s234) + (8*D*s1234*s13)/(s12*s123*s234) - 
   (D^2*s1234*s13)/(s12*s123*s234) + (12*s1234*s14)/(s12*s123*s234) - 
   (3*D*s1234*s14)/(s12*s123*s234) + (4*s1234*s14)/(s123*s13*s234) - 
   (D*s1234*s14)/(s123*s13*s234) - (24*s1234)/(s12*s24) + 
   (10*D*s1234)/(s12*s24) - (D^2*s1234)/(s12*s24) + 
   (12*s1234*s14)/(s12*s123*s24) - (2*D*s1234*s14)/(s12*s123*s24) + 
   (4*s1234*s14)/(s12*s13*s24) - (D*s1234*s14)/(s12*s13*s24) + 
   (4*s1234*s14*s23)/(s12*s123*s13*s24) - (D*s1234*s14*s23)/
    (s12*s123*s13*s24) - (4*s1234)/(s234*s24) - 
   (24*s1234*s13)/(s12*s234*s24) + (10*D*s1234*s13)/(s12*s234*s24) - 
   (D^2*s1234*s13)/(s12*s234*s24) + (12*s1234*s14)/(s12*s234*s24) - 
   (2*D*s1234*s14)/(s12*s234*s24) + (12*s1234*s14)/(s123*s234*s24) - 
   (3*D*s1234*s14)/(s123*s234*s24) + (8*s12*s1234*s14)/(s123*s13*s234*s24) - 
   (2*D*s12*s1234*s14)/(s123*s13*s234*s24) + (4*s1234*s13*s14)/
    (s12*s123*s234*s24) - (D*s1234*s13*s14)/(s12*s123*s234*s24) + 
   (8*s1234*s14^2)/(s12*s123*s234*s24) - (2*D*s1234*s14^2)/
    (s12*s123*s234*s24) + (8*s1234*s14^2)/(s123*s13*s234*s24) - 
   (2*D*s1234*s14^2)/(s123*s13*s234*s24) - (8*s1234*s14*s23)/
    (s12*s123*s234*s24) + (2*D*s1234*s14*s23)/(s12*s123*s234*s24) + 
   (4*s1234*s14*s23)/(s123*s13*s234*s24) - (D*s1234*s14*s23)/
    (s123*s13*s234*s24) - (16*s1234*s13)/(s12*s234*s34) + 
   (8*D*s1234*s13)/(s12*s234*s34) - (D^2*s1234*s13)/(s12*s234*s34) + 
   (4*s1234*s14)/(s123*s234*s34) - (D*s1234*s14)/(s123*s234*s34) + 
   (4*s1234*s13*s14)/(s12*s123*s234*s34) - (D*s1234*s13*s14)/
    (s12*s123*s234*s34) + (8*s1234*s14^2)/(s12*s123*s234*s34) - 
   (2*D*s1234*s14^2)/(s12*s123*s234*s34) + (8*s1234*s14^2)/
    (s123*s13*s234*s34) - (2*D*s1234*s14^2)/(s123*s13*s234*s34) + 
   (4*s1234*s14*s23)/(s12*s123*s234*s34) - (D*s1234*s14*s23)/
    (s12*s123*s234*s34) + (4*s1234*s14)/(s12*s24*s34) - 
   (D*s1234*s14)/(s12*s24*s34) + (8*s1234*s14^2)/(s12*s13*s24*s34) - 
   (2*D*s1234*s14^2)/(s12*s13*s24*s34) + (4*s1234*s14*s23)/
    (s12*s234*s24*s34) - (D*s1234*s14*s23)/(s12*s234*s24*s34) + 
   (8*s1234*s14*s24)/(s12*s123*s234*s34) - (2*D*s1234*s14*s24)/
    (s12*s123*s234*s34) - (24*s1234*s34)/(s12*s123*s24) + 
   (10*D*s1234*s34)/(s12*s123*s24) - (D^2*s1234*s34)/(s12*s123*s24) - 
   (16*s1234*s34)/(s123*s13*s24) + (8*D*s1234*s34)/(s123*s13*s24) - 
   (D^2*s1234*s34)/(s123*s13*s24) - (20*s1234*s34)/(s123*s234*s24) + 
   (8*D*s1234*s34)/(s123*s234*s24) - (D^2*s1234*s34)/(s123*s234*s24) - 
   (24*s1234*s13*s34)/(s12*s123*s234*s24) + (10*D*s1234*s13*s34)/
    (s12*s123*s234*s24) - (D^2*s1234*s13*s34)/(s12*s123*s234*s24) + 
   (4*s1234*s14*s34)/(s12*s123*s234*s24) - (D*s1234*s14*s34)/
    (s12*s123*s234*s24) + (4*s1234*s14*s34)/(s123*s13*s234*s24) - 
   (D*s1234*s14*s34)/(s123*s13*s234*s24) - (2*s1234*z1)/(s12*s123*z2) + 
   (2*s1234*s23*z1)/(s12*s123*s234*z2) + (2*s1234*s24*z1)/
    (s12*s123*s234*z2) + (2*s1234*s34*z1)/(s12*s123*s234*z2) + 
   (2*s1234*s34*z1)/(s123*s234*s24*z2) - (2*s1234*s34*z1)/(s13*s234*s24*z2) + 
   (2*s12*s1234*s34*z1)/(s123*s13*s234*s24*z2) + 
   (2*s1234*s23*s34*z1)/(s123*s13*s234*s24*z2) - (8*s1234*z1)/(s12*s234*z3) + 
   (2*D*s1234*z1)/(s12*s234*z3) + (4*s1234*z1)/(s123*s234*z3) - 
   (D*s1234*z1)/(s123*s234*z3) + (4*s1234*s13*z1)/(s12*s123*s234*z3) - 
   (D*s1234*s13*z1)/(s12*s123*s234*z3) - (8*s1234*s14*z1)/
    (s12*s123*s234*z3) + (2*D*s1234*s14*z1)/(s12*s123*s234*z3) - 
   (8*s1234*s14*z1)/(s123*s13*s234*z3) + (2*D*s1234*s14*z1)/
    (s123*s13*s234*z3) + (4*s1234*s23*z1)/(s12*s123*s234*z3) - 
   (D*s1234*s23*z1)/(s12*s123*s234*z3) + (4*s1234*z1)/(s12*s24*z3) - 
   (D*s1234*z1)/(s12*s24*z3) + (16*s1234*s14*z1)/(s12*s123*s24*z3) - 
   (4*D*s1234*s14*z1)/(s12*s123*s24*z3) - (8*s1234*s14*z1)/(s12*s13*s24*z3) + 
   (2*D*s1234*s14*z1)/(s12*s13*s24*z3) + (16*s1234*s14*z1)/
    (s123*s13*s24*z3) - (4*D*s1234*s14*z1)/(s123*s13*s24*z3) + 
   (8*s1234*s14*s23*z1)/(s12*s123*s13*s24*z3) - (2*D*s1234*s14*s23*z1)/
    (s12*s123*s13*s24*z3) - (4*s1234*s23*z1)/(s12*s234*s24*z3) + 
   (D*s1234*s23*z1)/(s12*s234*s24*z3) - (8*s1234*s14*s23*z1)/
    (s12*s123*s234*s24*z3) + (2*D*s1234*s14*s23*z1)/(s12*s123*s234*s24*z3) - 
   (8*s1234*s14*s23*z1)/(s123*s13*s234*s24*z3) + 
   (2*D*s1234*s14*s23*z1)/(s123*s13*s234*s24*z3) - 
   (4*s1234*s34*z1)/(s12*s123*s234*z3) + (D*s1234*s34*z1)/
    (s12*s123*s234*z3) - (4*s1234*s34*z1)/(s123*s13*s234*z3) + 
   (D*s1234*s34*z1)/(s123*s13*s234*z3) + (8*s1234*s34*z1)/(s12*s123*s24*z3) - 
   (2*D*s1234*s34*z1)/(s12*s123*s24*z3) - (4*s1234*s34*z1)/(s12*s13*s24*z3) + 
   (D*s1234*s34*z1)/(s12*s13*s24*z3) + (8*s1234*s34*z1)/(s123*s13*s24*z3) - 
   (2*D*s1234*s34*z1)/(s123*s13*s24*z3) + (4*s1234*s23*s34*z1)/
    (s12*s123*s13*s24*z3) - (D*s1234*s23*s34*z1)/(s12*s123*s13*s24*z3) - 
   (8*s1234*s34*z1)/(s12*s234*s24*z3) + (2*D*s1234*s34*z1)/
    (s12*s234*s24*z3) + (4*s1234*s34*z1)/(s123*s234*s24*z3) - 
   (D*s1234*s34*z1)/(s123*s234*s24*z3) + (4*s1234*s13*s34*z1)/
    (s12*s123*s234*s24*z3) - (D*s1234*s13*s34*z1)/(s12*s123*s234*s24*z3) - 
   (8*s1234*s14*s34*z1)/(s12*s123*s234*s24*z3) + 
   (2*D*s1234*s14*s34*z1)/(s12*s123*s234*s24*z3) - 
   (8*s1234*s14*s34*z1)/(s123*s13*s234*s24*z3) + 
   (2*D*s1234*s14*s34*z1)/(s123*s13*s234*s24*z3) - 
   (4*s1234*s23*s34*z1)/(s123*s13*s234*s24*z3) + 
   (D*s1234*s23*s34*z1)/(s123*s13*s234*s24*z3) - 
   (4*s1234*s34^2*z1)/(s12*s123*s234*s24*z3) + 
   (D*s1234*s34^2*z1)/(s12*s123*s234*s24*z3) - 
   (4*s1234*s34^2*z1)/(s123*s13*s234*s24*z3) + 
   (D*s1234*s34^2*z1)/(s123*s13*s234*s24*z3) - 
   (8*s1234*s14*z2)/(s12*s123*s234*z3) + (2*D*s1234*s14*z2)/
    (s12*s123*s234*z3) + (8*s1234*s14*z2)/(s12*s123*s24*z3) - 
   (2*D*s1234*s14*z2)/(s12*s123*s24*z3) + (8*s1234*s14*z2)/
    (s12*s234*s24*z3) - (2*D*s1234*s14*z2)/(s12*s234*s24*z3) - 
   (8*s1234*s14*z2)/(s123*s234*s24*z3) + (2*D*s1234*s14*z2)/
    (s123*s234*s24*z3) - (8*s1234*s13*s14*z2)/(s12*s123*s234*s24*z3) + 
   (2*D*s1234*s13*s14*z2)/(s12*s123*s234*s24*z3) - 
   (16*s1234*s14*s23*z2)/(s12*s123*s234*s24*z3) + 
   (4*D*s1234*s14*s23*z2)/(s12*s123*s234*s24*z3) - 
   (8*s1234*s14*s34*z2)/(s12*s123*s234*s24*z3) + 
   (2*D*s1234*s14*s34*z2)/(s12*s123*s234*s24*z3) - 
   (2*s1234*s14*z3)/(s12*s123*s234*z2) - (2*s1234*s14*z3)/
    (s123*s234*s24*z2) + (2*s1234*s14*z3)/(s13*s234*s24*z2) - 
   (2*s12*s1234*s14*z3)/(s123*s13*s234*s24*z2) - 
   (2*s1234*s14*s23*z3)/(s123*s13*s234*s24*z2) + 
   (2*s1234*s14*z3)/(s12*s123*s34*z2) - (2*s1234*s14*s23*z3)/
    (s12*s123*s234*s34*z2) - (2*s1234*s14*s24*z3)/(s12*s123*s234*s34*z2) + 
   (2*s1234*s13*z4)/(s12*s123*s234*z2) - (2*s1234*z4)/(s234*s24*z2) + 
   (2*s12*s1234*z4)/(s123*s234*s24*z2) + (2*s1234*s13*z4)/
    (s123*s234*s24*z2) + (2*s1234*s23*z4)/(s123*s234*s24*z2) - 
   (2*s1234*s13*z4)/(s12*s123*s34*z2) + (2*s1234*s13*s23*z4)/
    (s12*s123*s234*s34*z2) + (2*s1234*s13*s24*z4)/(s12*s123*s234*s34*z2) + 
   (4*s1234*z4)/(s123*s234*z3) - (D*s1234*z4)/(s123*s234*z3) + 
   (4*s1234*s13*z4)/(s12*s123*s234*z3) - (D*s1234*s13*z4)/
    (s12*s123*s234*z3) + (4*s1234*z4)/(s12*s24*z3) - 
   (D*s1234*z4)/(s12*s24*z3) - (8*s1234*z4)/(s123*s24*z3) + 
   (2*D*s1234*z4)/(s123*s24*z3) - (8*s1234*s13*z4)/(s12*s123*s24*z3) + 
   (2*D*s1234*s13*z4)/(s12*s123*s24*z3) - (4*s1234*s23*z4)/
    (s12*s123*s24*z3) + (D*s1234*s23*z4)/(s12*s123*s24*z3) + 
   (8*s1234*s13*z4)/(s12*s234*s24*z3) - (2*D*s1234*s13*z4)/
    (s12*s234*s24*z3) - (4*s1234*s13*z4)/(s123*s234*s24*z3) + 
   (D*s1234*s13*z4)/(s123*s234*s24*z3) - (4*s1234*s13^2*z4)/
    (s12*s123*s234*s24*z3) + (D*s1234*s13^2*z4)/(s12*s123*s234*s24*z3) + 
   (16*s1234*s14*z4)/(s12*s234*s24*z3) - (4*D*s1234*s14*z4)/
    (s12*s234*s24*z3) - (8*s1234*s14*z4)/(s123*s234*s24*z3) + 
   (2*D*s1234*s14*z4)/(s123*s234*s24*z3) - (8*s1234*s13*s14*z4)/
    (s12*s123*s234*s24*z3) + (2*D*s1234*s13*s14*z4)/(s12*s123*s234*s24*z3) + 
   (4*s1234*s23*z4)/(s123*s234*s24*z3) - (D*s1234*s23*z4)/
    (s123*s234*s24*z3) - (8*s1234*s14*s23*z4)/(s12*s123*s234*s24*z3) + 
   (2*D*s1234*s14*s23*z4)/(s12*s123*s234*s24*z3) + 
   (8*s1234*s13*z4)/(s12*s234*s34*z3) - (2*D*s1234*s13*z4)/
    (s12*s234*s34*z3) - (4*s1234*s13*z4)/(s123*s234*s34*z3) + 
   (D*s1234*s13*z4)/(s123*s234*s34*z3) - (4*s1234*s13^2*z4)/
    (s12*s123*s234*s34*z3) + (D*s1234*s13^2*z4)/(s12*s123*s234*s34*z3) + 
   (16*s1234*s14*z4)/(s12*s234*s34*z3) - (4*D*s1234*s14*z4)/
    (s12*s234*s34*z3) - (8*s1234*s14*z4)/(s123*s234*s34*z3) + 
   (2*D*s1234*s14*z4)/(s123*s234*s34*z3) - (8*s1234*s13*s14*z4)/
    (s12*s123*s234*s34*z3) + (2*D*s1234*s13*s14*z4)/(s12*s123*s234*s34*z3) - 
   (4*s1234*s13*s23*z4)/(s12*s123*s234*s34*z3) + 
   (D*s1234*s13*s23*z4)/(s12*s123*s234*s34*z3) - 
   (8*s1234*s14*s23*z4)/(s12*s123*s234*s34*z3) + 
   (2*D*s1234*s14*s23*z4)/(s12*s123*s234*s34*z3) - 
   (4*s1234*s13*z4)/(s12*s24*s34*z3) + (D*s1234*s13*z4)/(s12*s24*s34*z3) - 
   (8*s1234*s14*z4)/(s12*s24*s34*z3) + (2*D*s1234*s14*z4)/(s12*s24*s34*z3) + 
   (4*s1234*s13*s23*z4)/(s12*s234*s24*s34*z3) - 
   (D*s1234*s13*s23*z4)/(s12*s234*s24*s34*z3) + 
   (8*s1234*s14*s23*z4)/(s12*s234*s24*s34*z3) - (2*D*s1234*s14*s23*z4)/
    (s12*s234*s24*s34*z3) + (4*s1234*s34*z4)/(s123*s234*s24*z3) - 
   (D*s1234*s34*z4)/(s123*s234*s24*z3) + (4*s1234*s13*s34*z4)/
    (s12*s123*s234*s24*z3) - (D*s1234*s13*s34*z4)/(s12*s123*s234*s24*z3)) + 
 k1k1*((-8*s1234)/(s12*s123) + (4*s1234)/(s12*s13) - (8*s1234)/(s123*s13) + 
   (4*s1234*s23)/(s12*s123*s13) - (4*s1234)/(s12*s234) - 
   (4*s1234)/(s123*s234) - (4*s1234)/(s13*s234) - 
   (2*s12*s1234)/(s123*s13*s234) - (2*s1234*s13)/(s12*s123*s234) - 
   (8*s1234*s14)/(s12*s123*s234) - (8*s1234*s14)/(s123*s13*s234) + 
   (22*s1234*s23)/(s12*s123*s234) - (4*D*s1234*s23)/(s12*s123*s234) + 
   (22*s1234*s23)/(s123*s13*s234) - (4*D*s1234*s23)/(s123*s13*s234) + 
   (2*s1234)/(s13*s24) - (4*s1234*s14)/(s12*s13*s24) + 
   (6*s1234*s23)/(s13*s234*s24) - (2*D*s1234*s23)/(s13*s234*s24) - 
   (8*s1234*s24)/(s12*s123*s234) - (4*s1234*s24)/(s123*s13*s234) + 
   (2*s1234)/(s12*s34) - (4*s1234*s14)/(s12*s13*s34) + 
   (6*s1234*s23)/(s12*s234*s34) - (2*D*s1234*s23)/(s12*s234*s34) - 
   (4*s1234*s14*s23)/(s12*s13*s24*s34) - (2*s1234*s24)/(s123*s234*s34) - 
   (2*s1234*s13*s24)/(s12*s123*s234*s34) - (4*s1234*s14*s24)/
    (s12*s123*s234*s34) - (4*s1234*s14*s24)/(s123*s13*s234*s34) - 
   (2*s1234*s23*s24)/(s12*s123*s234*s34) - (4*s1234*s24^2)/
    (s12*s123*s234*s34) - (4*s1234*s34)/(s12*s123*s234) - 
   (8*s1234*s34)/(s123*s13*s234) - (2*s1234*s34)/(s123*s234*s24) - 
   (2*s12*s1234*s34)/(s123*s13*s234*s24) - (4*s1234*s14*s34)/
    (s12*s123*s234*s24) - (4*s1234*s14*s34)/(s123*s13*s234*s24) - 
   (2*s1234*s23*s34)/(s123*s13*s234*s24) - (4*s1234*s34^2)/
    (s123*s13*s234*s24) - (8*s1234*z1)/(s12*s123*z2) + 
   (4*s1234*z1)/(s12*s13*z2) - (8*s1234*z1)/(s123*s13*z2) - 
   (4*s1234*s23*z1)/(s12*s123*s13*z2) + (4*s1234*s23*z1)/(s12*s123*s234*z2) + 
   (4*s1234*s23*z1)/(s123*s13*s234*z2) + (4*s1234*s24*z1)/
    (s12*s123*s234*z2) + (4*s1234*s24*z1)/(s123*s13*s234*z2) + 
   (4*s1234*s34*z1)/(s12*s123*s234*z2) + (4*s1234*s34*z1)/
    (s123*s13*s234*z2) - (8*s1234*z1)/(s12*s123*z3) + 
   (4*s1234*z1)/(s12*s13*z3) - (8*s1234*z1)/(s123*s13*z3) - 
   (4*s1234*s23*z1)/(s12*s123*s13*z3) + (4*s1234*s23*z1)/(s12*s123*s234*z3) + 
   (4*s1234*s23*z1)/(s123*s13*s234*z3) + (4*s1234*s24*z1)/
    (s12*s123*s234*z3) + (4*s1234*s24*z1)/(s123*s13*s234*z3) + 
   (4*s1234*s34*z1)/(s12*s123*s234*z3) + (4*s1234*s34*z1)/
    (s123*s13*s234*z3) - (4*s1234*z2)/(s12*s123*z3) + 
   (2*s1234*z2)/(s123*s234*z3) + (2*s1234*s13*z2)/(s12*s123*s234*z3) + 
   (6*s1234*s23*z2)/(s12*s123*s234*z3) - (2*s1234*z2)/(s12*s24*z3) + 
   (2*s1234*s23*z2)/(s12*s234*s24*z3) + (4*s1234*s24*z2)/(s12*s123*s234*z3) + 
   (6*s1234*s34*z2)/(s12*s123*s234*z3) + (2*s1234*s34*z2)/
    (s123*s13*s234*z3) - (2*s1234*s34*z2)/(s12*s13*s24*z3) + 
   (2*s1234*s23*s34*z2)/(s12*s123*s13*s24*z3) + 
   (2*s1234*s34*z2)/(s123*s234*s24*z3) + (2*s1234*s13*s34*z2)/
    (s12*s123*s234*s24*z3) + (4*s1234*s23*s34*z2)/(s12*s123*s234*s24*z3) + 
   (2*s1234*s23*s34*z2)/(s123*s13*s234*s24*z3) + 
   (2*s1234*s34^2*z2)/(s12*s123*s234*s24*z3) + 
   (2*s1234*s34^2*z2)/(s123*s13*s234*s24*z3) - (4*s1234*z3)/(s123*s13*z2) + 
   (2*s1234*z3)/(s123*s234*z2) + (2*s12*s1234*z3)/(s123*s13*s234*z2) + 
   (6*s1234*s23*z3)/(s123*s13*s234*z2) + (2*s1234*s24*z3)/
    (s12*s123*s234*z2) + (6*s1234*s24*z3)/(s123*s13*s234*z2) - 
   (2*s1234*z3)/(s13*s34*z2) + (2*s1234*s23*z3)/(s13*s234*s34*z2) - 
   (2*s1234*s24*z3)/(s12*s13*s34*z2) + (2*s1234*s23*s24*z3)/
    (s12*s123*s13*s34*z2) + (2*s1234*s24*z3)/(s123*s234*s34*z2) + 
   (2*s12*s1234*s24*z3)/(s123*s13*s234*s34*z2) + 
   (2*s1234*s23*s24*z3)/(s12*s123*s234*s34*z2) + 
   (4*s1234*s23*s24*z3)/(s123*s13*s234*s34*z2) + 
   (2*s1234*s24^2*z3)/(s12*s123*s234*s34*z2) + 
   (2*s1234*s24^2*z3)/(s123*s13*s234*s34*z2) + 
   (4*s1234*s34*z3)/(s123*s13*s234*z2) + (4*s1234*z4)/(s123*s234*z2) - 
   (8*s1234*z4)/(s13*s234*z2) + (4*s12*s1234*z4)/(s123*s13*s234*z2) - 
   (2*s1234*s23*z4)/(s12*s123*s234*z2) + (2*s1234*s23*z4)/
    (s123*s13*s234*z2) + (4*s1234*z4)/(s13*s24*z2) + 
   (2*s1234*s23*z4)/(s123*s234*s24*z2) - (8*s1234*s23*z4)/(s13*s234*s24*z2) + 
   (2*s12*s1234*s23*z4)/(s123*s13*s234*s24*z2) + 
   (2*s1234*s23^2*z4)/(s123*s13*s234*s24*z2) + 
   (2*s1234*s23*z4)/(s12*s13*s34*z2) - (2*s1234*s23^2*z4)/
    (s12*s123*s13*s34*z2) - (2*s1234*s23*z4)/(s123*s234*s34*z2) - 
   (2*s12*s1234*s23*z4)/(s123*s13*s234*s34*z2) - 
   (2*s1234*s23^2*z4)/(s12*s123*s234*s34*z2) - 
   (4*s1234*s23^2*z4)/(s123*s13*s234*s34*z2) + 
   (2*s1234*s23*z4)/(s13*s24*s34*z2) - (2*s1234*s23^2*z4)/
    (s13*s234*s24*s34*z2) - (2*s1234*s23*s24*z4)/(s12*s123*s234*s34*z2) - 
   (2*s1234*s23*s24*z4)/(s123*s13*s234*s34*z2) + 
   (4*s1234*s34*z4)/(s123*s234*s24*z2) - (8*s1234*s34*z4)/(s13*s234*s24*z2) + 
   (4*s12*s1234*s34*z4)/(s123*s13*s234*s24*z2) + 
   (4*s1234*s23*s34*z4)/(s123*s13*s234*s24*z2) - (8*s1234*z4)/(s12*s234*z3) + 
   (4*s1234*z4)/(s123*s234*z3) + (4*s1234*s13*z4)/(s12*s123*s234*z3) + 
   (2*s1234*s23*z4)/(s12*s123*s234*z3) - (2*s1234*s23*z4)/
    (s123*s13*s234*z3) + (2*s1234*s23*z4)/(s12*s13*s24*z3) - 
   (2*s1234*s23^2*z4)/(s12*s123*s13*s24*z3) - 
   (2*s1234*s23*z4)/(s123*s234*s24*z3) - (2*s1234*s13*s23*z4)/
    (s12*s123*s234*s24*z3) - (4*s1234*s23^2*z4)/(s12*s123*s234*s24*z3) - 
   (2*s1234*s23^2*z4)/(s123*s13*s234*s24*z3) + (4*s1234*z4)/(s12*s34*z3) - 
   (8*s1234*s23*z4)/(s12*s234*s34*z3) + (2*s1234*s23*z4)/(s123*s234*s34*z3) + 
   (2*s1234*s13*s23*z4)/(s12*s123*s234*s34*z3) + 
   (2*s1234*s23^2*z4)/(s12*s123*s234*s34*z3) + 
   (2*s1234*s23*z4)/(s12*s24*s34*z3) - (2*s1234*s23^2*z4)/
    (s12*s234*s24*s34*z3) - (8*s1234*s24*z4)/(s12*s234*s34*z3) + 
   (4*s1234*s24*z4)/(s123*s234*s34*z3) + (4*s1234*s13*s24*z4)/
    (s12*s123*s234*s34*z3) + (4*s1234*s23*s24*z4)/(s12*s123*s234*s34*z3) - 
   (2*s1234*s23*s34*z4)/(s12*s123*s234*s24*z3) - 
   (2*s1234*s23*s34*z4)/(s123*s13*s234*s24*z3)) + 
 k2k4*((4*s1234)/s123^2 - (D*s1234)/s123^2 + (2*s12*s1234)/(s123^2*s13) - 
   (D*s12*s1234)/(s123^2*s13) + (6*s1234*s13)/(s12*s123^2) - 
   (2*D*s1234*s13)/(s12*s123^2) + (8*s1234*s23)/(s12*s123^2) - 
   (4*D*s1234*s23)/(s12*s123^2) + (D^2*s1234*s23)/(2*s12*s123^2) + 
   (4*s1234*s23)/(s123^2*s13) - (3*D*s1234*s23)/(s123^2*s13) + 
   (D^2*s1234*s23)/(2*s123^2*s13) - (12*s1234)/(s123*s234) + 
   (5*D*s1234)/(2*s123*s234) - (2*s12*s1234)/(s123*s13*s234) + 
   (D*s12*s1234)/(2*s123*s13*s234) + (9*s1234*s13)/(s12*s123*s234) - 
   (2*D*s1234*s13)/(s12*s123*s234) + (s1234*s14)/(s12*s123*s234) + 
   (s1234*s14)/(s123*s13*s234) - (6*s1234)/(s123*s24) + 
   (D*s1234)/(s123*s24) + (2*s1234)/(s13*s24) - (D*s1234)/(2*s13*s24) + 
   (2*s1234*s14)/(s12*s123*s24) + (s1234*s14)/(s12*s13*s24) + 
   (12*s1234*s23)/(s12*s123*s24) - (5*D*s1234*s23)/(s12*s123*s24) + 
   (D^2*s1234*s23)/(2*s12*s123*s24) + (6*s1234*s23)/(s123*s13*s24) - 
   (7*D*s1234*s23)/(2*s123*s13*s24) + (D^2*s1234*s23)/(2*s123*s13*s24) + 
   (s1234*s14*s23)/(s12*s123*s13*s24) - (7*s1234)/(s234*s24) - 
   (7*s12*s1234)/(s123*s234*s24) + (3*D*s12*s1234)/(2*s123*s234*s24) - 
   (4*s12^2*s1234)/(s123*s13*s234*s24) + (D*s12^2*s1234)/
    (s123*s13*s234*s24) - (3*s1234*s13)/(s123*s234*s24) + 
   (D*s1234*s13)/(2*s123*s234*s24) + (2*s1234*s14)/(s12*s234*s24) - 
   (3*s1234*s14)/(s123*s234*s24) + (D*s1234*s14)/(s123*s234*s24) - 
   (2*s12*s1234*s14)/(s123*s13*s234*s24) + (D*s12*s1234*s14)/
    (s123*s13*s234*s24) - (s1234*s13*s14)/(s12*s123*s234*s24) + 
   (2*s1234*s14^2)/(s12*s123*s234*s24) + (2*s1234*s14^2)/
    (s123*s13*s234*s24) + (13*s1234*s23)/(s123*s234*s24) - 
   (5*D*s1234*s23)/(s123*s234*s24) + (D^2*s1234*s23)/(2*s123*s234*s24) - 
   (2*s12*s1234*s23)/(s123*s13*s234*s24) + (D*s12*s1234*s23)/
    (2*s123*s13*s234*s24) + (12*s1234*s13*s23)/(s12*s123*s234*s24) - 
   (5*D*s1234*s13*s23)/(s12*s123*s234*s24) + (D^2*s1234*s13*s23)/
    (2*s12*s123*s234*s24) - (6*s1234*s14*s23)/(s12*s123*s234*s24) + 
   (D*s1234*s14*s23)/(s12*s123*s234*s24) + (s1234*s14*s23)/
    (s123*s13*s234*s24) + (2*s1234)/(s12*s34) + 
   (9*s1234*s13)/(s12*s123*s34) - (2*D*s1234*s13)/(s12*s123*s34) - 
   (4*s1234*s14)/(s12*s123*s34) + (2*D*s1234*s14)/(s12*s123*s34) - 
   (4*s1234*s14)/(s123*s13*s34) + (2*D*s1234*s14)/(s123*s13*s34) + 
   (12*s1234*s23)/(s12*s123*s34) - (5*D*s1234*s23)/(s12*s123*s34) + 
   (D^2*s1234*s23)/(2*s12*s123*s34) - (2*s1234*s14*s23)/(s12*s123*s13*s34) + 
   (D*s1234*s14*s23)/(s12*s123*s13*s34) + (2*s1234)/(s234*s34) - 
   (D*s1234)/(s234*s34) + (2*s12*s1234)/(s123*s234*s34) - 
   (D*s12*s1234)/(2*s123*s234*s34) + (12*s1234*s13)/(s12*s234*s34) - 
   (2*D*s1234*s13)/(s12*s234*s34) + (2*s1234*s13)/(s123*s234*s34) - 
   (D*s1234*s13)/(2*s123*s234*s34) + (2*s1234*s14)/(s12*s234*s34) - 
   (s1234*s14)/(s123*s234*s34) + (D*s1234*s14)/(s123*s234*s34) - 
   (4*s12*s1234*s14)/(s123*s13*s234*s34) + (D*s12*s1234*s14)/
    (s123*s13*s234*s34) + (3*s1234*s13*s14)/(s12*s123*s234*s34) + 
   (2*s1234*s14^2)/(s12*s123*s234*s34) + (2*s1234*s14^2)/
    (s123*s13*s234*s34) + (6*s1234*s23)/(s123*s234*s34) - 
   (3*D*s1234*s23)/(2*s123*s234*s34) - (s1234*s13*s23)/(s12*s123*s234*s34) - 
   (5*s1234*s14*s23)/(s12*s123*s234*s34) + (D*s1234*s14*s23)/
    (s12*s123*s234*s34) - (2*s1234)/(s24*s34) + (D*s1234)/(2*s24*s34) - 
   (3*s1234*s14)/(s12*s24*s34) - (4*s1234*s14)/(s13*s24*s34) + 
   (D*s1234*s14)/(s13*s24*s34) + (2*s1234*s14^2)/(s12*s13*s24*s34) + 
   (12*s1234*s23)/(s12*s24*s34) - (5*D*s1234*s23)/(s12*s24*s34) + 
   (D^2*s1234*s23)/(2*s12*s24*s34) - (4*s1234*s14*s23)/(s12*s13*s24*s34) + 
   (D*s1234*s14*s23)/(s12*s13*s24*s34) + (2*s1234*s23)/(s234*s24*s34) - 
   (D*s1234*s23)/(2*s234*s24*s34) + (12*s1234*s13*s23)/(s12*s234*s24*s34) - 
   (5*D*s1234*s13*s23)/(s12*s234*s24*s34) + (D^2*s1234*s13*s23)/
    (2*s12*s234*s24*s34) - (s1234*s14*s23)/(s12*s234*s24*s34) - 
   (2*s1234*s24)/(s12*s123*s34) + (D*s1234*s24)/(s12*s123*s34) + 
   (7*s1234*s13*s24)/(s12*s123*s234*s34) - (D*s1234*s13*s24)/
    (s12*s123*s234*s34) + (2*s1234*s14*s24)/(s12*s123*s234*s34) - 
   (4*s1234*s34)/(s123*s13*s24) + (D*s1234*s34)/(s123*s13*s24) - 
   (10*s1234*s34)/(s123*s234*s24) + (3*D*s1234*s34)/(2*s123*s234*s24) - 
   (2*s12*s1234*s34)/(s123*s13*s234*s24) + (D*s12*s1234*s34)/
    (2*s123*s13*s234*s24) - (s1234*s14*s34)/(s12*s123*s234*s24) + 
   (s1234*s14*s34)/(s123*s13*s234*s24) + (4*s1234*z1)/(s123^2*z2) - 
   (2*s1234*z1)/(s12*s123*z2) + (s1234*z1)/(s12*s13*z2) + 
   (2*s12*s1234*z1)/(s123^2*s13*z2) - (4*s1234*z1)/(s123*s13*z2) + 
   (2*s1234*s13*z1)/(s12*s123^2*z2) + (4*s1234*s23*z1)/(s12*s123^2*z2) + 
   (4*s1234*s23*z1)/(s123^2*s13*z2) - (3*s1234*s23*z1)/(s12*s123*s13*z2) + 
   (2*s1234*s23^2*z1)/(s12*s123^2*s13*z2) - (2*s1234*z1)/(s12*s234*z2) - 
   (s1234*z1)/(s123*s234*z2) + (s12*s1234*z1)/(s123*s13*s234*z2) - 
   (2*s1234*s13*z1)/(s12*s123*s234*z2) - (2*s1234*s14*z1)/
    (s12*s123*s234*z2) - (2*s1234*s14*z1)/(s123*s13*s234*z2) - 
   (2*s1234*s23*z1)/(s12*s123*s234*z2) + (2*s1234*s23*z1)/
    (s123*s13*s234*z2) - (s1234*z1)/(s13*s24*z2) - 
   (s1234*s23*z1)/(s123*s234*s24*z2) + (2*s1234*s23*z1)/(s13*s234*s24*z2) - 
   (s12*s1234*s23*z1)/(s123*s13*s234*s24*z2) - 
   (s1234*s23^2*z1)/(s123*s13*s234*s24*z2) - (3*s1234*s24*z1)/
    (s12*s123*s234*z2) + (s1234*s24*z1)/(s123*s13*s234*z2) + 
   (4*s1234*z1)/(s12*s34*z2) + (4*s1234*s14*z1)/(s12*s123*s34*z2) - 
   (2*s1234*s14*z1)/(s12*s13*s34*z2) + (4*s1234*s14*z1)/(s123*s13*s34*z2) - 
   (s1234*s23*z1)/(s12*s123*s34*z2) + (2*s1234*s14*s23*z1)/
    (s12*s123*s13*s34*z2) - (2*s1234*s23*z1)/(s12*s234*s34*z2) - 
   (2*s1234*s23*z1)/(s123*s234*s34*z2) - (2*s1234*s13*s23*z1)/
    (s12*s123*s234*s34*z2) - (2*s1234*s14*s23*z1)/(s12*s123*s234*s34*z2) - 
   (2*s1234*s14*s23*z1)/(s123*s13*s234*s34*z2) - 
   (s1234*s23^2*z1)/(s12*s123*s234*s34*z2) + (2*s1234*s24*z1)/
    (s12*s123*s34*z2) - (2*s1234*s24*z1)/(s12*s234*s34*z2) - 
   (2*s1234*s24*z1)/(s123*s234*s34*z2) - (2*s1234*s13*s24*z1)/
    (s12*s123*s234*s34*z2) - (2*s1234*s14*s24*z1)/(s12*s123*s234*s34*z2) - 
   (2*s1234*s14*s24*z1)/(s123*s13*s234*s34*z2) - 
   (3*s1234*s23*s24*z1)/(s12*s123*s234*s34*z2) - 
   (2*s1234*s24^2*z1)/(s12*s123*s234*s34*z2) - 
   (s1234*s34*z1)/(s12*s123*s234*z2) + (s1234*s34*z1)/(s123*s13*s234*z2) + 
   (s1234*s34*z1)/(s123*s234*s24*z2) + (s12*s1234*s34*z1)/
    (s123*s13*s234*s24*z2) + (s1234*s23*s34*z1)/(s123*s13*s234*s24*z2) - 
   (6*s1234*z1)/(s123^2*z3) + (4*D*s1234*z1)/(s123^2*z3) - 
   (2*D*s1234*z1)/(s12*s123*z3) - (4*s12*s1234*z1)/(s123^2*s13*z3) + 
   (2*D*s12*s1234*z1)/(s123^2*s13*z3) + (4*s1234*z1)/(s123*s13*z3) - 
   (2*D*s1234*z1)/(s123*s13*z3) - (2*s1234*s13*z1)/(s12*s123^2*z3) + 
   (2*D*s1234*s13*z1)/(s12*s123^2*z3) - (4*s1234*s23*z1)/(s12*s123^2*z3) + 
   (3*D*s1234*s23*z1)/(s12*s123^2*z3) - (6*s1234*s23*z1)/(s123^2*s13*z3) + 
   (3*D*s1234*s23*z1)/(s123^2*s13*z3) + (2*s1234*s23*z1)/(s12*s123*s13*z3) - 
   (D*s1234*s23*z1)/(s12*s123*s13*z3) - (2*s1234*s23^2*z1)/
    (s12*s123^2*s13*z3) + (D*s1234*s23^2*z1)/(s12*s123^2*s13*z3) - 
   (2*s1234*z1)/(s12*s234*z3) + (7*s1234*z1)/(s123*s234*z3) - 
   (D*s1234*z1)/(s123*s234*z3) + (4*s12*s1234*z1)/(s123*s13*s234*z3) - 
   (D*s12*s1234*z1)/(s123*s13*s234*z3) + (3*s1234*s13*z1)/
    (s12*s123*s234*z3) - (2*s1234*s14*z1)/(s12*s123*s234*z3) - 
   (2*s1234*s14*z1)/(s123*s13*s234*z3) + (7*s1234*s23*z1)/
    (s12*s123*s234*z3) - (D*s1234*s23*z1)/(2*s12*s123*s234*z3) + 
   (2*s1234*s23*z1)/(s123*s13*s234*z3) - (D*s1234*s23*z1)/
    (2*s123*s13*s234*z3) - (s1234*z1)/(s12*s24*z3) - 
   (8*s1234*z1)/(s123*s24*z3) + (2*D*s1234*z1)/(s123*s24*z3) + 
   (4*s1234*z1)/(s13*s24*z3) - (D*s1234*z1)/(s13*s24*z3) - 
   (8*s12*s1234*z1)/(s123*s13*s24*z3) + (2*D*s12*s1234*z1)/
    (s123*s13*s24*z3) + (4*s1234*s14*z1)/(s12*s123*s24*z3) - 
   (2*s1234*s14*z1)/(s12*s13*s24*z3) + (4*s1234*s14*z1)/(s123*s13*s24*z3) - 
   (4*s1234*s23*z1)/(s12*s123*s24*z3) + (D*s1234*s23*z1)/(s12*s123*s24*z3) + 
   (2*s1234*s23*z1)/(s12*s13*s24*z3) - (D*s1234*s23*z1)/(2*s12*s13*s24*z3) - 
   (8*s1234*s23*z1)/(s123*s13*s24*z3) + (2*D*s1234*s23*z1)/
    (s123*s13*s24*z3) + (2*s1234*s14*s23*z1)/(s12*s123*s13*s24*z3) - 
   (2*s1234*s23^2*z1)/(s12*s123*s13*s24*z3) + (D*s1234*s23^2*z1)/
    (2*s12*s123*s13*s24*z3) + (5*s1234*s23*z1)/(s12*s234*s24*z3) - 
   (D*s1234*s23*z1)/(s12*s234*s24*z3) + (2*s1234*s23*z1)/(s123*s234*s24*z3) - 
   (D*s1234*s23*z1)/(2*s123*s234*s24*z3) + (4*s12*s1234*s23*z1)/
    (s123*s13*s234*s24*z3) - (D*s12*s1234*s23*z1)/(s123*s13*s234*s24*z3) - 
   (2*s1234*s13*s23*z1)/(s12*s123*s234*s24*z3) + 
   (D*s1234*s13*s23*z1)/(2*s12*s123*s234*s24*z3) - 
   (2*s1234*s14*s23*z1)/(s12*s123*s234*s24*z3) - 
   (2*s1234*s14*s23*z1)/(s123*s13*s234*s24*z3) + 
   (2*s1234*s23^2*z1)/(s123*s13*s234*s24*z3) - 
   (D*s1234*s23^2*z1)/(2*s123*s13*s234*s24*z3) + 
   (2*s1234*s24*z1)/(s12*s123*s234*z3) + (2*s1234*s23*z1)/
    (s123*s234*s34*z3) - (D*s1234*s23*z1)/(2*s123*s234*s34*z3) + 
   (2*s1234*s13*s23*z1)/(s12*s123*s234*s34*z3) - 
   (D*s1234*s13*s23*z1)/(2*s12*s123*s234*s34*z3) + 
   (2*s1234*s23^2*z1)/(s12*s123*s234*s34*z3) - 
   (D*s1234*s23^2*z1)/(2*s12*s123*s234*s34*z3) - 
   (2*s1234*s23*z1)/(s12*s24*s34*z3) + (D*s1234*s23*z1)/(2*s12*s24*s34*z3) + 
   (2*s1234*s23^2*z1)/(s12*s234*s24*s34*z3) - (D*s1234*s23^2*z1)/
    (2*s12*s234*s24*s34*z3) + (3*s1234*s34*z1)/(s12*s123*s234*z3) - 
   (s1234*s34*z1)/(s123*s13*s234*z3) - (s1234*s34*z1)/(s12*s13*s24*z3) + 
   (2*s1234*s34*z1)/(s123*s13*s24*z3) + (s1234*s23*s34*z1)/
    (s12*s123*s13*s24*z3) + (5*s1234*s34*z1)/(s123*s234*s24*z3) - 
   (D*s1234*s34*z1)/(s123*s234*s24*z3) + (4*s12*s1234*s34*z1)/
    (s123*s13*s234*s24*z3) - (D*s12*s1234*s34*z1)/(s123*s13*s234*s24*z3) + 
   (s1234*s13*s34*z1)/(s12*s123*s234*s24*z3) - (2*s1234*s14*s34*z1)/
    (s12*s123*s234*s24*z3) - (2*s1234*s14*s34*z1)/(s123*s13*s234*s24*z3) + 
   (4*s1234*s23*s34*z1)/(s12*s123*s234*s24*z3) - 
   (D*s1234*s23*s34*z1)/(2*s12*s123*s234*s24*z3) + 
   (s1234*s23*s34*z1)/(s123*s13*s234*s24*z3) - (D*s1234*s23*s34*z1)/
    (2*s123*s13*s234*s24*z3) + (s1234*s34^2*z1)/(s12*s123*s234*s24*z3) - 
   (s1234*s34^2*z1)/(s123*s13*s234*s24*z3) + (8*s1234*z1^2)/(s123^2*z2*z3) - 
   (8*s1234*z1^2)/(s12*s123*z2*z3) + (2*s1234*z1^2)/(s12*s13*z2*z3) + 
   (4*s12*s1234*z1^2)/(s123^2*s13*z2*z3) - (8*s1234*z1^2)/(s123*s13*z2*z3) + 
   (4*s1234*s13*z1^2)/(s12*s123^2*z2*z3) + (6*s1234*s23*z1^2)/
    (s12*s123^2*z2*z3) + (6*s1234*s23*z1^2)/(s123^2*s13*z2*z3) - 
   (4*s1234*s23*z1^2)/(s12*s123*s13*z2*z3) + (2*s1234*s23^2*z1^2)/
    (s12*s123^2*s13*z2*z3) + (2*s1234*s23*z1^2)/(s12*s123*s234*z2*z3) + 
   (2*s1234*s23*z1^2)/(s123*s13*s234*z2*z3) + (2*s1234*s24*z1^2)/
    (s12*s123*s234*z2*z3) + (2*s1234*s24*z1^2)/(s123*s13*s234*z2*z3) + 
   (2*s1234*s34*z1^2)/(s12*s123*s234*z2*z3) + (2*s1234*s34*z1^2)/
    (s123*s13*s234*z2*z3) - (2*s1234*z2)/(s123^2*z3) + 
   (D*s1234*z2)/(s123^2*z3) + (2*s1234*z2)/(s12*s123*z3) - 
   (D*s1234*z2)/(s12*s123*z3) - (2*s1234*s13*z2)/(s12*s123^2*z3) + 
   (D*s1234*s13*z2)/(s12*s123^2*z3) - (2*s1234*s23*z2)/(s12*s123^2*z3) + 
   (D*s1234*s23*z2)/(s12*s123^2*z3) + (2*s1234*z2)/(s123*s234*z3) - 
   (D*s1234*z2)/(2*s123*s234*z3) - (2*s1234*s13*z2)/(s12*s123*s234*z3) + 
   (D*s1234*s13*z2)/(2*s12*s123*s234*z3) - (2*s1234*s14*z2)/
    (s12*s123*s234*z3) - (2*s1234*z2)/(s12*s24*z3) + 
   (D*s1234*z2)/(2*s12*s24*z3) + (4*s1234*s13*z2)/(s12*s123*s24*z3) - 
   (D*s1234*s13*z2)/(s12*s123*s24*z3) + (2*s1234*s14*z2)/(s12*s123*s24*z3) + 
   (2*s1234*s23*z2)/(s12*s123*s24*z3) - (D*s1234*s23*z2)/
    (2*s12*s123*s24*z3) - (4*s1234*z2)/(s234*s24*z3) + 
   (D*s1234*z2)/(s234*s24*z3) + (4*s12*s1234*z2)/(s123*s234*s24*z3) - 
   (D*s12*s1234*z2)/(s123*s234*s24*z3) - (4*s1234*s13*z2)/(s12*s234*s24*z3) + 
   (D*s1234*s13*z2)/(s12*s234*s24*z3) + (6*s1234*s13*z2)/(s123*s234*s24*z3) - 
   (3*D*s1234*s13*z2)/(2*s123*s234*s24*z3) + (2*s1234*s13^2*z2)/
    (s12*s123*s234*s24*z3) - (D*s1234*s13^2*z2)/(2*s12*s123*s234*s24*z3) + 
   (2*s1234*s14*z2)/(s12*s234*s24*z3) - (2*s1234*s14*z2)/(s123*s234*s24*z3) - 
   (2*s1234*s13*s14*z2)/(s12*s123*s234*s24*z3) + 
   (6*s1234*s23*z2)/(s123*s234*s24*z3) - (3*D*s1234*s23*z2)/
    (2*s123*s234*s24*z3) - (4*s1234*s14*s23*z2)/(s12*s123*s234*s24*z3) - 
   (2*s1234*s13*z2)/(s123*s234*s34*z3) + (D*s1234*s13*z2)/
    (2*s123*s234*s34*z3) - (2*s1234*s13^2*z2)/(s12*s123*s234*s34*z3) + 
   (D*s1234*s13^2*z2)/(2*s12*s123*s234*s34*z3) - 
   (2*s1234*s13*s23*z2)/(s12*s123*s234*s34*z3) + 
   (D*s1234*s13*s23*z2)/(2*s12*s123*s234*s34*z3) + 
   (2*s1234*s13*z2)/(s12*s24*s34*z3) - (D*s1234*s13*z2)/(2*s12*s24*s34*z3) - 
   (2*s1234*s13*s23*z2)/(s12*s234*s24*s34*z3) + 
   (D*s1234*s13*s23*z2)/(2*s12*s234*s24*s34*z3) + 
   (2*s1234*s34*z2)/(s123*s234*s24*z3) - (D*s1234*s34*z2)/
    (2*s123*s234*s24*z3) - (2*s1234*s13*s34*z2)/(s12*s123*s234*s24*z3) + 
   (D*s1234*s13*s34*z2)/(2*s12*s123*s234*s24*z3) - 
   (2*s1234*s14*s34*z2)/(s12*s123*s234*s24*z3) - (4*s1234*z3)/(s123^2*z2) + 
   (D*s1234*z3)/(s123^2*z2) - (4*s12*s1234*z3)/(s123^2*s13*z2) + 
   (D*s12*s1234*z3)/(s123^2*s13*z2) + (4*s1234*z3)/(s123*s13*z2) - 
   (D*s1234*z3)/(s123*s13*z2) - (4*s1234*s23*z3)/(s123^2*s13*z2) + 
   (D*s1234*s23*z3)/(s123^2*s13*z2) + (5*s1234*z3)/(s123*s234*z2) - 
   (D*s1234*z3)/(s123*s234*z2) + (s1234*s14*z3)/(s12*s123*s234*z2) - 
   (s1234*s14*z3)/(s123*s13*s234*z2) + (s12*s1234*z3)/(s123*s234*s24*z2) - 
   (s12*s1234*z3)/(s13*s234*s24*z2) + (s12^2*s1234*z3)/
    (s123*s13*s234*s24*z2) - (s1234*s14*z3)/(s123*s234*s24*z2) - 
   (s12*s1234*s14*z3)/(s123*s13*s234*s24*z2) + 
   (s12*s1234*s23*z3)/(s123*s13*s234*s24*z2) - 
   (s1234*s14*s23*z3)/(s123*s13*s234*s24*z2) - (5*s1234*z3)/(s123*s34*z2) + 
   (D*s1234*z3)/(s123*s34*z2) - (s1234*s14*z3)/(s12*s13*s34*z2) + 
   (2*s1234*s14*z3)/(s123*s13*s34*z2) + (s1234*s14*s23*z3)/
    (s12*s123*s13*s34*z2) - (s1234*s14*z3)/(s123*s234*s34*z2) - 
   (s12*s1234*s14*z3)/(s123*s13*s234*s34*z2) + 
   (5*s1234*s23*z3)/(s123*s234*s34*z2) - (D*s1234*s23*z3)/
    (s123*s234*s34*z2) + (s1234*s14*s23*z3)/(s12*s123*s234*s34*z2) - 
   (2*s1234*s14*s23*z3)/(s123*s13*s234*s34*z2) + 
   (s1234*s14*z3)/(s13*s24*s34*z2) - (s1234*s14*s23*z3)/
    (s13*s234*s24*s34*z2) + (5*s1234*s24*z3)/(s123*s234*s34*z2) - 
   (D*s1234*s24*z3)/(s123*s234*s34*z2) + (s1234*s14*s24*z3)/
    (s12*s123*s234*s34*z2) - (s1234*s14*s24*z3)/(s123*s13*s234*s34*z2) + 
   (s1234*z4)/(s123*s234*z2) - (s1234*s13*z4)/(s12*s123*s234*z2) - 
   (4*s1234*z4)/(s234*s24*z2) + (3*s12*s1234*z4)/(s123*s234*s24*z2) + 
   (3*s1234*s13*z4)/(s123*s234*s24*z2) + (3*s1234*s23*z4)/
    (s123*s234*s24*z2) + (s1234*z4)/(s12*s34*z2) - 
   (2*s1234*z4)/(s123*s34*z2) - (s1234*s23*z4)/(s12*s123*s34*z2) - 
   (2*s1234*z4)/(s234*s34*z2) + (s12*s1234*z4)/(s123*s234*s34*z2) + 
   (s1234*s13*z4)/(s123*s234*s34*z2) + (2*s1234*s23*z4)/(s123*s234*s34*z2) - 
   (s1234*s13*s23*z4)/(s12*s123*s234*s34*z2) + (s1234*z4)/(s24*s34*z2) - 
   (s1234*s23*z4)/(s234*s24*s34*z2) + (s1234*s24*z4)/(s123*s234*s34*z2) - 
   (s1234*s13*s24*z4)/(s12*s123*s234*s34*z2) + (s1234*z4)/(s123*s234*z3) - 
   (s1234*s13*z4)/(s12*s123*s234*z3) + (s1234*z4)/(s12*s24*z3) - 
   (2*s1234*z4)/(s123*s24*z3) - (s1234*s23*z4)/(s12*s123*s24*z3) - 
   (8*s1234*z4)/(s234*s24*z3) + (2*D*s1234*z4)/(s234*s24*z3) + 
   (4*s12*s1234*z4)/(s123*s234*s24*z3) - (D*s12*s1234*z4)/
    (s123*s234*s24*z3) + (3*s1234*s13*z4)/(s123*s234*s24*z3) - 
   (D*s1234*s13*z4)/(s123*s234*s24*z3) - (s1234*s13^2*z4)/
    (s12*s123*s234*s24*z3) + (4*s1234*s14*z4)/(s12*s234*s24*z3) - 
   (2*s1234*s14*z4)/(s123*s234*s24*z3) - (2*s1234*s13*s14*z4)/
    (s12*s123*s234*s24*z3) + (5*s1234*s23*z4)/(s123*s234*s24*z3) - 
   (D*s1234*s23*z4)/(s123*s234*s24*z3) - (2*s1234*s13*s23*z4)/
    (s12*s123*s234*s24*z3) - (2*s1234*s14*s23*z4)/(s12*s123*s234*s24*z3) - 
   (4*s1234*z4)/(s12*s34*z3) + (2*D*s1234*z4)/(s12*s34*z3) + 
   (4*s1234*z4)/(s123*s34*z3) - (2*D*s1234*z4)/(s123*s34*z3) + 
   (4*s1234*s13*z4)/(s12*s123*s34*z3) - (2*D*s1234*s13*z4)/
    (s12*s123*s34*z3) + (4*s1234*s23*z4)/(s12*s123*s34*z3) - 
   (2*D*s1234*s23*z4)/(s12*s123*s34*z3) - (8*s1234*z4)/(s234*s34*z3) + 
   (2*D*s1234*z4)/(s234*s34*z3) + (4*s12*s1234*z4)/(s123*s234*s34*z3) - 
   (D*s12*s1234*z4)/(s123*s234*s34*z3) + (2*s1234*s13*z4)/(s12*s234*s34*z3) + 
   (s1234*s13*z4)/(s123*s234*s34*z3) - (D*s1234*s13*z4)/(s123*s234*s34*z3) - 
   (3*s1234*s13^2*z4)/(s12*s123*s234*s34*z3) + 
   (4*s1234*s14*z4)/(s12*s234*s34*z3) - (2*s1234*s14*z4)/(s123*s234*s34*z3) - 
   (2*s1234*s13*s14*z4)/(s12*s123*s234*s34*z3) + 
   (4*s1234*s23*z4)/(s123*s234*s34*z3) - (D*s1234*s23*z4)/
    (s123*s234*s34*z3) - (3*s1234*s13*s23*z4)/(s12*s123*s234*s34*z3) - 
   (2*s1234*s14*s23*z4)/(s12*s123*s234*s34*z3) + (4*s1234*z4)/(s24*s34*z3) - 
   (D*s1234*z4)/(s24*s34*z3) + (s1234*s13*z4)/(s12*s24*s34*z3) - 
   (2*s1234*s14*z4)/(s12*s24*s34*z3) - (4*s1234*s23*z4)/(s234*s24*s34*z3) + 
   (D*s1234*s23*z4)/(s234*s24*s34*z3) - (s1234*s13*s23*z4)/
    (s12*s234*s24*s34*z3) + (2*s1234*s14*s23*z4)/(s12*s234*s24*s34*z3) + 
   (s1234*s34*z4)/(s123*s234*s24*z3) - (s1234*s13*s34*z4)/
    (s12*s123*s234*s24*z3) - (4*s1234*z1*z4)/(s12*s234*z2*z3) + 
   (2*s1234*z1*z4)/(s123*s234*z2*z3) + (2*s1234*s13*z1*z4)/
    (s12*s123*s234*z2*z3) + (2*s1234*s23*z1*z4)/(s12*s123*s234*z2*z3) + 
   (6*s1234*z1*z4)/(s12*s34*z2*z3) - (4*s1234*z1*z4)/(s123*s34*z2*z3) - 
   (4*s1234*s13*z1*z4)/(s12*s123*s34*z2*z3) - (4*s1234*s23*z1*z4)/
    (s12*s123*s34*z2*z3) - (4*s1234*s23*z1*z4)/(s12*s234*s34*z2*z3) + 
   (2*s1234*s23*z1*z4)/(s123*s234*s34*z2*z3) + (2*s1234*s13*s23*z1*z4)/
    (s12*s123*s234*s34*z2*z3) + (2*s1234*s23^2*z1*z4)/
    (s12*s123*s234*s34*z2*z3) - (4*s1234*s24*z1*z4)/(s12*s234*s34*z2*z3) + 
   (2*s1234*s24*z1*z4)/(s123*s234*s34*z2*z3) + (2*s1234*s13*s24*z1*z4)/
    (s12*s123*s234*s34*z2*z3) + (2*s1234*s23*s24*z1*z4)/
    (s12*s123*s234*s34*z2*z3)) + k4k2*((4*s1234)/s123^2 - (D*s1234)/s123^2 + 
   (2*s12*s1234)/(s123^2*s13) - (D*s12*s1234)/(s123^2*s13) + 
   (6*s1234*s13)/(s12*s123^2) - (2*D*s1234*s13)/(s12*s123^2) + 
   (8*s1234*s23)/(s12*s123^2) - (4*D*s1234*s23)/(s12*s123^2) + 
   (D^2*s1234*s23)/(2*s12*s123^2) + (4*s1234*s23)/(s123^2*s13) - 
   (3*D*s1234*s23)/(s123^2*s13) + (D^2*s1234*s23)/(2*s123^2*s13) - 
   (12*s1234)/(s123*s234) + (5*D*s1234)/(2*s123*s234) - 
   (2*s12*s1234)/(s123*s13*s234) + (D*s12*s1234)/(2*s123*s13*s234) + 
   (9*s1234*s13)/(s12*s123*s234) - (2*D*s1234*s13)/(s12*s123*s234) + 
   (s1234*s14)/(s12*s123*s234) + (s1234*s14)/(s123*s13*s234) - 
   (6*s1234)/(s123*s24) + (D*s1234)/(s123*s24) + (2*s1234)/(s13*s24) - 
   (D*s1234)/(2*s13*s24) + (2*s1234*s14)/(s12*s123*s24) + 
   (s1234*s14)/(s12*s13*s24) + (12*s1234*s23)/(s12*s123*s24) - 
   (5*D*s1234*s23)/(s12*s123*s24) + (D^2*s1234*s23)/(2*s12*s123*s24) + 
   (6*s1234*s23)/(s123*s13*s24) - (7*D*s1234*s23)/(2*s123*s13*s24) + 
   (D^2*s1234*s23)/(2*s123*s13*s24) + (s1234*s14*s23)/(s12*s123*s13*s24) - 
   (7*s1234)/(s234*s24) - (7*s12*s1234)/(s123*s234*s24) + 
   (3*D*s12*s1234)/(2*s123*s234*s24) - (4*s12^2*s1234)/(s123*s13*s234*s24) + 
   (D*s12^2*s1234)/(s123*s13*s234*s24) - (3*s1234*s13)/(s123*s234*s24) + 
   (D*s1234*s13)/(2*s123*s234*s24) + (2*s1234*s14)/(s12*s234*s24) - 
   (3*s1234*s14)/(s123*s234*s24) + (D*s1234*s14)/(s123*s234*s24) - 
   (2*s12*s1234*s14)/(s123*s13*s234*s24) + (D*s12*s1234*s14)/
    (s123*s13*s234*s24) - (s1234*s13*s14)/(s12*s123*s234*s24) + 
   (2*s1234*s14^2)/(s12*s123*s234*s24) + (2*s1234*s14^2)/
    (s123*s13*s234*s24) + (13*s1234*s23)/(s123*s234*s24) - 
   (5*D*s1234*s23)/(s123*s234*s24) + (D^2*s1234*s23)/(2*s123*s234*s24) - 
   (2*s12*s1234*s23)/(s123*s13*s234*s24) + (D*s12*s1234*s23)/
    (2*s123*s13*s234*s24) + (12*s1234*s13*s23)/(s12*s123*s234*s24) - 
   (5*D*s1234*s13*s23)/(s12*s123*s234*s24) + (D^2*s1234*s13*s23)/
    (2*s12*s123*s234*s24) - (6*s1234*s14*s23)/(s12*s123*s234*s24) + 
   (D*s1234*s14*s23)/(s12*s123*s234*s24) + (s1234*s14*s23)/
    (s123*s13*s234*s24) + (2*s1234)/(s12*s34) + 
   (9*s1234*s13)/(s12*s123*s34) - (2*D*s1234*s13)/(s12*s123*s34) - 
   (4*s1234*s14)/(s12*s123*s34) + (2*D*s1234*s14)/(s12*s123*s34) - 
   (4*s1234*s14)/(s123*s13*s34) + (2*D*s1234*s14)/(s123*s13*s34) + 
   (12*s1234*s23)/(s12*s123*s34) - (5*D*s1234*s23)/(s12*s123*s34) + 
   (D^2*s1234*s23)/(2*s12*s123*s34) - (2*s1234*s14*s23)/(s12*s123*s13*s34) + 
   (D*s1234*s14*s23)/(s12*s123*s13*s34) + (2*s1234)/(s234*s34) - 
   (D*s1234)/(s234*s34) + (2*s12*s1234)/(s123*s234*s34) - 
   (D*s12*s1234)/(2*s123*s234*s34) + (12*s1234*s13)/(s12*s234*s34) - 
   (2*D*s1234*s13)/(s12*s234*s34) + (2*s1234*s13)/(s123*s234*s34) - 
   (D*s1234*s13)/(2*s123*s234*s34) + (2*s1234*s14)/(s12*s234*s34) - 
   (s1234*s14)/(s123*s234*s34) + (D*s1234*s14)/(s123*s234*s34) - 
   (4*s12*s1234*s14)/(s123*s13*s234*s34) + (D*s12*s1234*s14)/
    (s123*s13*s234*s34) + (3*s1234*s13*s14)/(s12*s123*s234*s34) + 
   (2*s1234*s14^2)/(s12*s123*s234*s34) + (2*s1234*s14^2)/
    (s123*s13*s234*s34) + (6*s1234*s23)/(s123*s234*s34) - 
   (3*D*s1234*s23)/(2*s123*s234*s34) - (s1234*s13*s23)/(s12*s123*s234*s34) - 
   (5*s1234*s14*s23)/(s12*s123*s234*s34) + (D*s1234*s14*s23)/
    (s12*s123*s234*s34) - (2*s1234)/(s24*s34) + (D*s1234)/(2*s24*s34) - 
   (3*s1234*s14)/(s12*s24*s34) - (4*s1234*s14)/(s13*s24*s34) + 
   (D*s1234*s14)/(s13*s24*s34) + (2*s1234*s14^2)/(s12*s13*s24*s34) + 
   (12*s1234*s23)/(s12*s24*s34) - (5*D*s1234*s23)/(s12*s24*s34) + 
   (D^2*s1234*s23)/(2*s12*s24*s34) - (4*s1234*s14*s23)/(s12*s13*s24*s34) + 
   (D*s1234*s14*s23)/(s12*s13*s24*s34) + (2*s1234*s23)/(s234*s24*s34) - 
   (D*s1234*s23)/(2*s234*s24*s34) + (12*s1234*s13*s23)/(s12*s234*s24*s34) - 
   (5*D*s1234*s13*s23)/(s12*s234*s24*s34) + (D^2*s1234*s13*s23)/
    (2*s12*s234*s24*s34) - (s1234*s14*s23)/(s12*s234*s24*s34) - 
   (2*s1234*s24)/(s12*s123*s34) + (D*s1234*s24)/(s12*s123*s34) + 
   (7*s1234*s13*s24)/(s12*s123*s234*s34) - (D*s1234*s13*s24)/
    (s12*s123*s234*s34) + (2*s1234*s14*s24)/(s12*s123*s234*s34) - 
   (4*s1234*s34)/(s123*s13*s24) + (D*s1234*s34)/(s123*s13*s24) - 
   (10*s1234*s34)/(s123*s234*s24) + (3*D*s1234*s34)/(2*s123*s234*s24) - 
   (2*s12*s1234*s34)/(s123*s13*s234*s24) + (D*s12*s1234*s34)/
    (2*s123*s13*s234*s24) - (s1234*s14*s34)/(s12*s123*s234*s24) + 
   (s1234*s14*s34)/(s123*s13*s234*s24) + (4*s1234*z1)/(s123^2*z2) - 
   (2*s1234*z1)/(s12*s123*z2) + (s1234*z1)/(s12*s13*z2) + 
   (2*s12*s1234*z1)/(s123^2*s13*z2) - (4*s1234*z1)/(s123*s13*z2) + 
   (2*s1234*s13*z1)/(s12*s123^2*z2) + (4*s1234*s23*z1)/(s12*s123^2*z2) + 
   (4*s1234*s23*z1)/(s123^2*s13*z2) - (3*s1234*s23*z1)/(s12*s123*s13*z2) + 
   (2*s1234*s23^2*z1)/(s12*s123^2*s13*z2) - (2*s1234*z1)/(s12*s234*z2) - 
   (s1234*z1)/(s123*s234*z2) + (s12*s1234*z1)/(s123*s13*s234*z2) - 
   (2*s1234*s13*z1)/(s12*s123*s234*z2) - (2*s1234*s14*z1)/
    (s12*s123*s234*z2) - (2*s1234*s14*z1)/(s123*s13*s234*z2) - 
   (2*s1234*s23*z1)/(s12*s123*s234*z2) + (2*s1234*s23*z1)/
    (s123*s13*s234*z2) - (s1234*z1)/(s13*s24*z2) - 
   (s1234*s23*z1)/(s123*s234*s24*z2) + (2*s1234*s23*z1)/(s13*s234*s24*z2) - 
   (s12*s1234*s23*z1)/(s123*s13*s234*s24*z2) - 
   (s1234*s23^2*z1)/(s123*s13*s234*s24*z2) - (3*s1234*s24*z1)/
    (s12*s123*s234*z2) + (s1234*s24*z1)/(s123*s13*s234*z2) + 
   (4*s1234*z1)/(s12*s34*z2) + (4*s1234*s14*z1)/(s12*s123*s34*z2) - 
   (2*s1234*s14*z1)/(s12*s13*s34*z2) + (4*s1234*s14*z1)/(s123*s13*s34*z2) - 
   (s1234*s23*z1)/(s12*s123*s34*z2) + (2*s1234*s14*s23*z1)/
    (s12*s123*s13*s34*z2) - (2*s1234*s23*z1)/(s12*s234*s34*z2) - 
   (2*s1234*s23*z1)/(s123*s234*s34*z2) - (2*s1234*s13*s23*z1)/
    (s12*s123*s234*s34*z2) - (2*s1234*s14*s23*z1)/(s12*s123*s234*s34*z2) - 
   (2*s1234*s14*s23*z1)/(s123*s13*s234*s34*z2) - 
   (s1234*s23^2*z1)/(s12*s123*s234*s34*z2) + (2*s1234*s24*z1)/
    (s12*s123*s34*z2) - (2*s1234*s24*z1)/(s12*s234*s34*z2) - 
   (2*s1234*s24*z1)/(s123*s234*s34*z2) - (2*s1234*s13*s24*z1)/
    (s12*s123*s234*s34*z2) - (2*s1234*s14*s24*z1)/(s12*s123*s234*s34*z2) - 
   (2*s1234*s14*s24*z1)/(s123*s13*s234*s34*z2) - 
   (3*s1234*s23*s24*z1)/(s12*s123*s234*s34*z2) - 
   (2*s1234*s24^2*z1)/(s12*s123*s234*s34*z2) - 
   (s1234*s34*z1)/(s12*s123*s234*z2) + (s1234*s34*z1)/(s123*s13*s234*z2) + 
   (s1234*s34*z1)/(s123*s234*s24*z2) + (s12*s1234*s34*z1)/
    (s123*s13*s234*s24*z2) + (s1234*s23*s34*z1)/(s123*s13*s234*s24*z2) - 
   (6*s1234*z1)/(s123^2*z3) + (4*D*s1234*z1)/(s123^2*z3) - 
   (2*D*s1234*z1)/(s12*s123*z3) - (4*s12*s1234*z1)/(s123^2*s13*z3) + 
   (2*D*s12*s1234*z1)/(s123^2*s13*z3) + (4*s1234*z1)/(s123*s13*z3) - 
   (2*D*s1234*z1)/(s123*s13*z3) - (2*s1234*s13*z1)/(s12*s123^2*z3) + 
   (2*D*s1234*s13*z1)/(s12*s123^2*z3) - (4*s1234*s23*z1)/(s12*s123^2*z3) + 
   (3*D*s1234*s23*z1)/(s12*s123^2*z3) - (6*s1234*s23*z1)/(s123^2*s13*z3) + 
   (3*D*s1234*s23*z1)/(s123^2*s13*z3) + (2*s1234*s23*z1)/(s12*s123*s13*z3) - 
   (D*s1234*s23*z1)/(s12*s123*s13*z3) - (2*s1234*s23^2*z1)/
    (s12*s123^2*s13*z3) + (D*s1234*s23^2*z1)/(s12*s123^2*s13*z3) - 
   (2*s1234*z1)/(s12*s234*z3) + (7*s1234*z1)/(s123*s234*z3) - 
   (D*s1234*z1)/(s123*s234*z3) + (4*s12*s1234*z1)/(s123*s13*s234*z3) - 
   (D*s12*s1234*z1)/(s123*s13*s234*z3) + (3*s1234*s13*z1)/
    (s12*s123*s234*z3) - (2*s1234*s14*z1)/(s12*s123*s234*z3) - 
   (2*s1234*s14*z1)/(s123*s13*s234*z3) + (7*s1234*s23*z1)/
    (s12*s123*s234*z3) - (D*s1234*s23*z1)/(2*s12*s123*s234*z3) + 
   (2*s1234*s23*z1)/(s123*s13*s234*z3) - (D*s1234*s23*z1)/
    (2*s123*s13*s234*z3) - (s1234*z1)/(s12*s24*z3) - 
   (8*s1234*z1)/(s123*s24*z3) + (2*D*s1234*z1)/(s123*s24*z3) + 
   (4*s1234*z1)/(s13*s24*z3) - (D*s1234*z1)/(s13*s24*z3) - 
   (8*s12*s1234*z1)/(s123*s13*s24*z3) + (2*D*s12*s1234*z1)/
    (s123*s13*s24*z3) + (4*s1234*s14*z1)/(s12*s123*s24*z3) - 
   (2*s1234*s14*z1)/(s12*s13*s24*z3) + (4*s1234*s14*z1)/(s123*s13*s24*z3) - 
   (4*s1234*s23*z1)/(s12*s123*s24*z3) + (D*s1234*s23*z1)/(s12*s123*s24*z3) + 
   (2*s1234*s23*z1)/(s12*s13*s24*z3) - (D*s1234*s23*z1)/(2*s12*s13*s24*z3) - 
   (8*s1234*s23*z1)/(s123*s13*s24*z3) + (2*D*s1234*s23*z1)/
    (s123*s13*s24*z3) + (2*s1234*s14*s23*z1)/(s12*s123*s13*s24*z3) - 
   (2*s1234*s23^2*z1)/(s12*s123*s13*s24*z3) + (D*s1234*s23^2*z1)/
    (2*s12*s123*s13*s24*z3) + (5*s1234*s23*z1)/(s12*s234*s24*z3) - 
   (D*s1234*s23*z1)/(s12*s234*s24*z3) + (2*s1234*s23*z1)/(s123*s234*s24*z3) - 
   (D*s1234*s23*z1)/(2*s123*s234*s24*z3) + (4*s12*s1234*s23*z1)/
    (s123*s13*s234*s24*z3) - (D*s12*s1234*s23*z1)/(s123*s13*s234*s24*z3) - 
   (2*s1234*s13*s23*z1)/(s12*s123*s234*s24*z3) + 
   (D*s1234*s13*s23*z1)/(2*s12*s123*s234*s24*z3) - 
   (2*s1234*s14*s23*z1)/(s12*s123*s234*s24*z3) - 
   (2*s1234*s14*s23*z1)/(s123*s13*s234*s24*z3) + 
   (2*s1234*s23^2*z1)/(s123*s13*s234*s24*z3) - 
   (D*s1234*s23^2*z1)/(2*s123*s13*s234*s24*z3) + 
   (2*s1234*s24*z1)/(s12*s123*s234*z3) + (2*s1234*s23*z1)/
    (s123*s234*s34*z3) - (D*s1234*s23*z1)/(2*s123*s234*s34*z3) + 
   (2*s1234*s13*s23*z1)/(s12*s123*s234*s34*z3) - 
   (D*s1234*s13*s23*z1)/(2*s12*s123*s234*s34*z3) + 
   (2*s1234*s23^2*z1)/(s12*s123*s234*s34*z3) - 
   (D*s1234*s23^2*z1)/(2*s12*s123*s234*s34*z3) - 
   (2*s1234*s23*z1)/(s12*s24*s34*z3) + (D*s1234*s23*z1)/(2*s12*s24*s34*z3) + 
   (2*s1234*s23^2*z1)/(s12*s234*s24*s34*z3) - (D*s1234*s23^2*z1)/
    (2*s12*s234*s24*s34*z3) + (3*s1234*s34*z1)/(s12*s123*s234*z3) - 
   (s1234*s34*z1)/(s123*s13*s234*z3) - (s1234*s34*z1)/(s12*s13*s24*z3) + 
   (2*s1234*s34*z1)/(s123*s13*s24*z3) + (s1234*s23*s34*z1)/
    (s12*s123*s13*s24*z3) + (5*s1234*s34*z1)/(s123*s234*s24*z3) - 
   (D*s1234*s34*z1)/(s123*s234*s24*z3) + (4*s12*s1234*s34*z1)/
    (s123*s13*s234*s24*z3) - (D*s12*s1234*s34*z1)/(s123*s13*s234*s24*z3) + 
   (s1234*s13*s34*z1)/(s12*s123*s234*s24*z3) - (2*s1234*s14*s34*z1)/
    (s12*s123*s234*s24*z3) - (2*s1234*s14*s34*z1)/(s123*s13*s234*s24*z3) + 
   (4*s1234*s23*s34*z1)/(s12*s123*s234*s24*z3) - 
   (D*s1234*s23*s34*z1)/(2*s12*s123*s234*s24*z3) + 
   (s1234*s23*s34*z1)/(s123*s13*s234*s24*z3) - (D*s1234*s23*s34*z1)/
    (2*s123*s13*s234*s24*z3) + (s1234*s34^2*z1)/(s12*s123*s234*s24*z3) - 
   (s1234*s34^2*z1)/(s123*s13*s234*s24*z3) + (8*s1234*z1^2)/(s123^2*z2*z3) - 
   (8*s1234*z1^2)/(s12*s123*z2*z3) + (2*s1234*z1^2)/(s12*s13*z2*z3) + 
   (4*s12*s1234*z1^2)/(s123^2*s13*z2*z3) - (8*s1234*z1^2)/(s123*s13*z2*z3) + 
   (4*s1234*s13*z1^2)/(s12*s123^2*z2*z3) + (6*s1234*s23*z1^2)/
    (s12*s123^2*z2*z3) + (6*s1234*s23*z1^2)/(s123^2*s13*z2*z3) - 
   (4*s1234*s23*z1^2)/(s12*s123*s13*z2*z3) + (2*s1234*s23^2*z1^2)/
    (s12*s123^2*s13*z2*z3) + (2*s1234*s23*z1^2)/(s12*s123*s234*z2*z3) + 
   (2*s1234*s23*z1^2)/(s123*s13*s234*z2*z3) + (2*s1234*s24*z1^2)/
    (s12*s123*s234*z2*z3) + (2*s1234*s24*z1^2)/(s123*s13*s234*z2*z3) + 
   (2*s1234*s34*z1^2)/(s12*s123*s234*z2*z3) + (2*s1234*s34*z1^2)/
    (s123*s13*s234*z2*z3) - (2*s1234*z2)/(s123^2*z3) + 
   (D*s1234*z2)/(s123^2*z3) + (2*s1234*z2)/(s12*s123*z3) - 
   (D*s1234*z2)/(s12*s123*z3) - (2*s1234*s13*z2)/(s12*s123^2*z3) + 
   (D*s1234*s13*z2)/(s12*s123^2*z3) - (2*s1234*s23*z2)/(s12*s123^2*z3) + 
   (D*s1234*s23*z2)/(s12*s123^2*z3) + (2*s1234*z2)/(s123*s234*z3) - 
   (D*s1234*z2)/(2*s123*s234*z3) - (2*s1234*s13*z2)/(s12*s123*s234*z3) + 
   (D*s1234*s13*z2)/(2*s12*s123*s234*z3) - (2*s1234*s14*z2)/
    (s12*s123*s234*z3) - (2*s1234*z2)/(s12*s24*z3) + 
   (D*s1234*z2)/(2*s12*s24*z3) + (4*s1234*s13*z2)/(s12*s123*s24*z3) - 
   (D*s1234*s13*z2)/(s12*s123*s24*z3) + (2*s1234*s14*z2)/(s12*s123*s24*z3) + 
   (2*s1234*s23*z2)/(s12*s123*s24*z3) - (D*s1234*s23*z2)/
    (2*s12*s123*s24*z3) - (4*s1234*z2)/(s234*s24*z3) + 
   (D*s1234*z2)/(s234*s24*z3) + (4*s12*s1234*z2)/(s123*s234*s24*z3) - 
   (D*s12*s1234*z2)/(s123*s234*s24*z3) - (4*s1234*s13*z2)/(s12*s234*s24*z3) + 
   (D*s1234*s13*z2)/(s12*s234*s24*z3) + (6*s1234*s13*z2)/(s123*s234*s24*z3) - 
   (3*D*s1234*s13*z2)/(2*s123*s234*s24*z3) + (2*s1234*s13^2*z2)/
    (s12*s123*s234*s24*z3) - (D*s1234*s13^2*z2)/(2*s12*s123*s234*s24*z3) + 
   (2*s1234*s14*z2)/(s12*s234*s24*z3) - (2*s1234*s14*z2)/(s123*s234*s24*z3) - 
   (2*s1234*s13*s14*z2)/(s12*s123*s234*s24*z3) + 
   (6*s1234*s23*z2)/(s123*s234*s24*z3) - (3*D*s1234*s23*z2)/
    (2*s123*s234*s24*z3) - (4*s1234*s14*s23*z2)/(s12*s123*s234*s24*z3) - 
   (2*s1234*s13*z2)/(s123*s234*s34*z3) + (D*s1234*s13*z2)/
    (2*s123*s234*s34*z3) - (2*s1234*s13^2*z2)/(s12*s123*s234*s34*z3) + 
   (D*s1234*s13^2*z2)/(2*s12*s123*s234*s34*z3) - 
   (2*s1234*s13*s23*z2)/(s12*s123*s234*s34*z3) + 
   (D*s1234*s13*s23*z2)/(2*s12*s123*s234*s34*z3) + 
   (2*s1234*s13*z2)/(s12*s24*s34*z3) - (D*s1234*s13*z2)/(2*s12*s24*s34*z3) - 
   (2*s1234*s13*s23*z2)/(s12*s234*s24*s34*z3) + 
   (D*s1234*s13*s23*z2)/(2*s12*s234*s24*s34*z3) + 
   (2*s1234*s34*z2)/(s123*s234*s24*z3) - (D*s1234*s34*z2)/
    (2*s123*s234*s24*z3) - (2*s1234*s13*s34*z2)/(s12*s123*s234*s24*z3) + 
   (D*s1234*s13*s34*z2)/(2*s12*s123*s234*s24*z3) - 
   (2*s1234*s14*s34*z2)/(s12*s123*s234*s24*z3) - (4*s1234*z3)/(s123^2*z2) + 
   (D*s1234*z3)/(s123^2*z2) - (4*s12*s1234*z3)/(s123^2*s13*z2) + 
   (D*s12*s1234*z3)/(s123^2*s13*z2) + (4*s1234*z3)/(s123*s13*z2) - 
   (D*s1234*z3)/(s123*s13*z2) - (4*s1234*s23*z3)/(s123^2*s13*z2) + 
   (D*s1234*s23*z3)/(s123^2*s13*z2) + (5*s1234*z3)/(s123*s234*z2) - 
   (D*s1234*z3)/(s123*s234*z2) + (s1234*s14*z3)/(s12*s123*s234*z2) - 
   (s1234*s14*z3)/(s123*s13*s234*z2) + (s12*s1234*z3)/(s123*s234*s24*z2) - 
   (s12*s1234*z3)/(s13*s234*s24*z2) + (s12^2*s1234*z3)/
    (s123*s13*s234*s24*z2) - (s1234*s14*z3)/(s123*s234*s24*z2) - 
   (s12*s1234*s14*z3)/(s123*s13*s234*s24*z2) + 
   (s12*s1234*s23*z3)/(s123*s13*s234*s24*z2) - 
   (s1234*s14*s23*z3)/(s123*s13*s234*s24*z2) - (5*s1234*z3)/(s123*s34*z2) + 
   (D*s1234*z3)/(s123*s34*z2) - (s1234*s14*z3)/(s12*s13*s34*z2) + 
   (2*s1234*s14*z3)/(s123*s13*s34*z2) + (s1234*s14*s23*z3)/
    (s12*s123*s13*s34*z2) - (s1234*s14*z3)/(s123*s234*s34*z2) - 
   (s12*s1234*s14*z3)/(s123*s13*s234*s34*z2) + 
   (5*s1234*s23*z3)/(s123*s234*s34*z2) - (D*s1234*s23*z3)/
    (s123*s234*s34*z2) + (s1234*s14*s23*z3)/(s12*s123*s234*s34*z2) - 
   (2*s1234*s14*s23*z3)/(s123*s13*s234*s34*z2) + 
   (s1234*s14*z3)/(s13*s24*s34*z2) - (s1234*s14*s23*z3)/
    (s13*s234*s24*s34*z2) + (5*s1234*s24*z3)/(s123*s234*s34*z2) - 
   (D*s1234*s24*z3)/(s123*s234*s34*z2) + (s1234*s14*s24*z3)/
    (s12*s123*s234*s34*z2) - (s1234*s14*s24*z3)/(s123*s13*s234*s34*z2) + 
   (s1234*z4)/(s123*s234*z2) - (s1234*s13*z4)/(s12*s123*s234*z2) - 
   (4*s1234*z4)/(s234*s24*z2) + (3*s12*s1234*z4)/(s123*s234*s24*z2) + 
   (3*s1234*s13*z4)/(s123*s234*s24*z2) + (3*s1234*s23*z4)/
    (s123*s234*s24*z2) + (s1234*z4)/(s12*s34*z2) - 
   (2*s1234*z4)/(s123*s34*z2) - (s1234*s23*z4)/(s12*s123*s34*z2) - 
   (2*s1234*z4)/(s234*s34*z2) + (s12*s1234*z4)/(s123*s234*s34*z2) + 
   (s1234*s13*z4)/(s123*s234*s34*z2) + (2*s1234*s23*z4)/(s123*s234*s34*z2) - 
   (s1234*s13*s23*z4)/(s12*s123*s234*s34*z2) + (s1234*z4)/(s24*s34*z2) - 
   (s1234*s23*z4)/(s234*s24*s34*z2) + (s1234*s24*z4)/(s123*s234*s34*z2) - 
   (s1234*s13*s24*z4)/(s12*s123*s234*s34*z2) + (s1234*z4)/(s123*s234*z3) - 
   (s1234*s13*z4)/(s12*s123*s234*z3) + (s1234*z4)/(s12*s24*z3) - 
   (2*s1234*z4)/(s123*s24*z3) - (s1234*s23*z4)/(s12*s123*s24*z3) - 
   (8*s1234*z4)/(s234*s24*z3) + (2*D*s1234*z4)/(s234*s24*z3) + 
   (4*s12*s1234*z4)/(s123*s234*s24*z3) - (D*s12*s1234*z4)/
    (s123*s234*s24*z3) + (3*s1234*s13*z4)/(s123*s234*s24*z3) - 
   (D*s1234*s13*z4)/(s123*s234*s24*z3) - (s1234*s13^2*z4)/
    (s12*s123*s234*s24*z3) + (4*s1234*s14*z4)/(s12*s234*s24*z3) - 
   (2*s1234*s14*z4)/(s123*s234*s24*z3) - (2*s1234*s13*s14*z4)/
    (s12*s123*s234*s24*z3) + (5*s1234*s23*z4)/(s123*s234*s24*z3) - 
   (D*s1234*s23*z4)/(s123*s234*s24*z3) - (2*s1234*s13*s23*z4)/
    (s12*s123*s234*s24*z3) - (2*s1234*s14*s23*z4)/(s12*s123*s234*s24*z3) - 
   (4*s1234*z4)/(s12*s34*z3) + (2*D*s1234*z4)/(s12*s34*z3) + 
   (4*s1234*z4)/(s123*s34*z3) - (2*D*s1234*z4)/(s123*s34*z3) + 
   (4*s1234*s13*z4)/(s12*s123*s34*z3) - (2*D*s1234*s13*z4)/
    (s12*s123*s34*z3) + (4*s1234*s23*z4)/(s12*s123*s34*z3) - 
   (2*D*s1234*s23*z4)/(s12*s123*s34*z3) - (8*s1234*z4)/(s234*s34*z3) + 
   (2*D*s1234*z4)/(s234*s34*z3) + (4*s12*s1234*z4)/(s123*s234*s34*z3) - 
   (D*s12*s1234*z4)/(s123*s234*s34*z3) + (2*s1234*s13*z4)/(s12*s234*s34*z3) + 
   (s1234*s13*z4)/(s123*s234*s34*z3) - (D*s1234*s13*z4)/(s123*s234*s34*z3) - 
   (3*s1234*s13^2*z4)/(s12*s123*s234*s34*z3) + 
   (4*s1234*s14*z4)/(s12*s234*s34*z3) - (2*s1234*s14*z4)/(s123*s234*s34*z3) - 
   (2*s1234*s13*s14*z4)/(s12*s123*s234*s34*z3) + 
   (4*s1234*s23*z4)/(s123*s234*s34*z3) - (D*s1234*s23*z4)/
    (s123*s234*s34*z3) - (3*s1234*s13*s23*z4)/(s12*s123*s234*s34*z3) - 
   (2*s1234*s14*s23*z4)/(s12*s123*s234*s34*z3) + (4*s1234*z4)/(s24*s34*z3) - 
   (D*s1234*z4)/(s24*s34*z3) + (s1234*s13*z4)/(s12*s24*s34*z3) - 
   (2*s1234*s14*z4)/(s12*s24*s34*z3) - (4*s1234*s23*z4)/(s234*s24*s34*z3) + 
   (D*s1234*s23*z4)/(s234*s24*s34*z3) - (s1234*s13*s23*z4)/
    (s12*s234*s24*s34*z3) + (2*s1234*s14*s23*z4)/(s12*s234*s24*s34*z3) + 
   (s1234*s34*z4)/(s123*s234*s24*z3) - (s1234*s13*s34*z4)/
    (s12*s123*s234*s24*z3) - (4*s1234*z1*z4)/(s12*s234*z2*z3) + 
   (2*s1234*z1*z4)/(s123*s234*z2*z3) + (2*s1234*s13*z1*z4)/
    (s12*s123*s234*z2*z3) + (2*s1234*s23*z1*z4)/(s12*s123*s234*z2*z3) + 
   (6*s1234*z1*z4)/(s12*s34*z2*z3) - (4*s1234*z1*z4)/(s123*s34*z2*z3) - 
   (4*s1234*s13*z1*z4)/(s12*s123*s34*z2*z3) - (4*s1234*s23*z1*z4)/
    (s12*s123*s34*z2*z3) - (4*s1234*s23*z1*z4)/(s12*s234*s34*z2*z3) + 
   (2*s1234*s23*z1*z4)/(s123*s234*s34*z2*z3) + (2*s1234*s13*s23*z1*z4)/
    (s12*s123*s234*s34*z2*z3) + (2*s1234*s23^2*z1*z4)/
    (s12*s123*s234*s34*z2*z3) - (4*s1234*s24*z1*z4)/(s12*s234*s34*z2*z3) + 
   (2*s1234*s24*z1*z4)/(s123*s234*s34*z2*z3) + (2*s1234*s13*s24*z1*z4)/
    (s12*s123*s234*s34*z2*z3) + (2*s1234*s23*s24*z1*z4)/
    (s12*s123*s234*s34*z2*z3)) + k3k4*((4*s1234)/s123^2 - (D*s1234)/s123^2 + 
   (6*s12*s1234)/(s123^2*s13) - (2*D*s12*s1234)/(s123^2*s13) + 
   (2*s1234*s13)/(s12*s123^2) - (D*s1234*s13)/(s12*s123^2) + 
   (4*s1234*s23)/(s12*s123^2) - (3*D*s1234*s23)/(s12*s123^2) + 
   (D^2*s1234*s23)/(2*s12*s123^2) + (8*s1234*s23)/(s123^2*s13) - 
   (4*D*s1234*s23)/(s123^2*s13) + (D^2*s1234*s23)/(2*s123^2*s13) - 
   (12*s1234)/(s123*s234) + (5*D*s1234)/(2*s123*s234) + 
   (9*s12*s1234)/(s123*s13*s234) - (2*D*s12*s1234)/(s123*s13*s234) - 
   (2*s1234*s13)/(s12*s123*s234) + (D*s1234*s13)/(2*s12*s123*s234) + 
   (s1234*s14)/(s12*s123*s234) + (s1234*s14)/(s123*s13*s234) + 
   (2*s1234)/(s13*s24) + (9*s12*s1234)/(s123*s13*s24) - 
   (2*D*s12*s1234)/(s123*s13*s24) - (4*s1234*s14)/(s12*s123*s24) + 
   (2*D*s1234*s14)/(s12*s123*s24) - (4*s1234*s14)/(s123*s13*s24) + 
   (2*D*s1234*s14)/(s123*s13*s24) + (12*s1234*s23)/(s123*s13*s24) - 
   (5*D*s1234*s23)/(s123*s13*s24) + (D^2*s1234*s23)/(2*s123*s13*s24) - 
   (2*s1234*s14*s23)/(s12*s123*s13*s24) + (D*s1234*s14*s23)/
    (s12*s123*s13*s24) + (2*s1234)/(s234*s24) - (D*s1234)/(s234*s24) + 
   (2*s12*s1234)/(s123*s234*s24) - (D*s12*s1234)/(2*s123*s234*s24) + 
   (12*s12*s1234)/(s13*s234*s24) - (2*D*s12*s1234)/(s13*s234*s24) + 
   (2*s1234*s13)/(s123*s234*s24) - (D*s1234*s13)/(2*s123*s234*s24) - 
   (s1234*s14)/(s123*s234*s24) + (D*s1234*s14)/(s123*s234*s24) + 
   (2*s1234*s14)/(s13*s234*s24) + (3*s12*s1234*s14)/(s123*s13*s234*s24) - 
   (4*s1234*s13*s14)/(s12*s123*s234*s24) + (D*s1234*s13*s14)/
    (s12*s123*s234*s24) + (2*s1234*s14^2)/(s12*s123*s234*s24) + 
   (2*s1234*s14^2)/(s123*s13*s234*s24) + (6*s1234*s23)/(s123*s234*s24) - 
   (3*D*s1234*s23)/(2*s123*s234*s24) - (s12*s1234*s23)/(s123*s13*s234*s24) - 
   (5*s1234*s14*s23)/(s123*s13*s234*s24) + (D*s1234*s14*s23)/
    (s123*s13*s234*s24) + (2*s1234)/(s12*s34) - (D*s1234)/(2*s12*s34) - 
   (6*s1234)/(s123*s34) + (D*s1234)/(s123*s34) + (s1234*s14)/(s12*s13*s34) + 
   (2*s1234*s14)/(s123*s13*s34) + (6*s1234*s23)/(s12*s123*s34) - 
   (7*D*s1234*s23)/(2*s12*s123*s34) + (D^2*s1234*s23)/(2*s12*s123*s34) + 
   (12*s1234*s23)/(s123*s13*s34) - (5*D*s1234*s23)/(s123*s13*s34) + 
   (D^2*s1234*s23)/(2*s123*s13*s34) + (s1234*s14*s23)/(s12*s123*s13*s34) - 
   (7*s1234)/(s234*s34) - (3*s12*s1234)/(s123*s234*s34) + 
   (D*s12*s1234)/(2*s123*s234*s34) - (7*s1234*s13)/(s123*s234*s34) + 
   (3*D*s1234*s13)/(2*s123*s234*s34) - (4*s1234*s13^2)/(s12*s123*s234*s34) + 
   (D*s1234*s13^2)/(s12*s123*s234*s34) - (3*s1234*s14)/(s123*s234*s34) + 
   (D*s1234*s14)/(s123*s234*s34) + (2*s1234*s14)/(s13*s234*s34) - 
   (s12*s1234*s14)/(s123*s13*s234*s34) - (2*s1234*s13*s14)/
    (s12*s123*s234*s34) + (D*s1234*s13*s14)/(s12*s123*s234*s34) + 
   (2*s1234*s14^2)/(s12*s123*s234*s34) + (2*s1234*s14^2)/
    (s123*s13*s234*s34) + (13*s1234*s23)/(s123*s234*s34) - 
   (5*D*s1234*s23)/(s123*s234*s34) + (D^2*s1234*s23)/(2*s123*s234*s34) + 
   (12*s12*s1234*s23)/(s123*s13*s234*s34) - (5*D*s12*s1234*s23)/
    (s123*s13*s234*s34) + (D^2*s12*s1234*s23)/(2*s123*s13*s234*s34) - 
   (2*s1234*s13*s23)/(s12*s123*s234*s34) + (D*s1234*s13*s23)/
    (2*s12*s123*s234*s34) + (s1234*s14*s23)/(s12*s123*s234*s34) - 
   (6*s1234*s14*s23)/(s123*s13*s234*s34) + (D*s1234*s14*s23)/
    (s123*s13*s234*s34) - (2*s1234)/(s24*s34) + (D*s1234)/(2*s24*s34) - 
   (4*s1234*s14)/(s12*s24*s34) + (D*s1234*s14)/(s12*s24*s34) - 
   (3*s1234*s14)/(s13*s24*s34) + (2*s1234*s14^2)/(s12*s13*s24*s34) + 
   (12*s1234*s23)/(s13*s24*s34) - (5*D*s1234*s23)/(s13*s24*s34) + 
   (D^2*s1234*s23)/(2*s13*s24*s34) - (4*s1234*s14*s23)/(s12*s13*s24*s34) + 
   (D*s1234*s14*s23)/(s12*s13*s24*s34) + (2*s1234*s23)/(s234*s24*s34) - 
   (D*s1234*s23)/(2*s234*s24*s34) + (12*s12*s1234*s23)/(s13*s234*s24*s34) - 
   (5*D*s12*s1234*s23)/(s13*s234*s24*s34) + (D^2*s12*s1234*s23)/
    (2*s13*s234*s24*s34) - (s1234*s14*s23)/(s13*s234*s24*s34) - 
   (4*s1234*s24)/(s12*s123*s34) + (D*s1234*s24)/(s12*s123*s34) - 
   (10*s1234*s24)/(s123*s234*s34) + (3*D*s1234*s24)/(2*s123*s234*s34) - 
   (2*s1234*s13*s24)/(s12*s123*s234*s34) + (D*s1234*s13*s24)/
    (2*s12*s123*s234*s34) + (s1234*s14*s24)/(s12*s123*s234*s34) - 
   (s1234*s14*s24)/(s123*s13*s234*s34) - (2*s1234*s34)/(s123*s13*s24) + 
   (D*s1234*s34)/(s123*s13*s24) + (7*s12*s1234*s34)/(s123*s13*s234*s24) - 
   (D*s12*s1234*s34)/(s123*s13*s234*s24) + (2*s1234*s14*s34)/
    (s123*s13*s234*s24) - (6*s1234*z1)/(s123^2*z2) + 
   (4*D*s1234*z1)/(s123^2*z2) + (4*s1234*z1)/(s12*s123*z2) - 
   (2*D*s1234*z1)/(s12*s123*z2) - (2*s12*s1234*z1)/(s123^2*s13*z2) + 
   (2*D*s12*s1234*z1)/(s123^2*s13*z2) - (2*D*s1234*z1)/(s123*s13*z2) - 
   (4*s1234*s13*z1)/(s12*s123^2*z2) + (2*D*s1234*s13*z1)/(s12*s123^2*z2) - 
   (6*s1234*s23*z1)/(s12*s123^2*z2) + (3*D*s1234*s23*z1)/(s12*s123^2*z2) - 
   (4*s1234*s23*z1)/(s123^2*s13*z2) + (3*D*s1234*s23*z1)/(s123^2*s13*z2) + 
   (2*s1234*s23*z1)/(s12*s123*s13*z2) - (D*s1234*s23*z1)/(s12*s123*s13*z2) - 
   (2*s1234*s23^2*z1)/(s12*s123^2*s13*z2) + (D*s1234*s23^2*z1)/
    (s12*s123^2*s13*z2) + (7*s1234*z1)/(s123*s234*z2) - 
   (D*s1234*z1)/(s123*s234*z2) - (2*s1234*z1)/(s13*s234*z2) + 
   (3*s12*s1234*z1)/(s123*s13*s234*z2) + (4*s1234*s13*z1)/
    (s12*s123*s234*z2) - (D*s1234*s13*z1)/(s12*s123*s234*z2) - 
   (2*s1234*s14*z1)/(s12*s123*s234*z2) - (2*s1234*s14*z1)/
    (s123*s13*s234*z2) + (2*s1234*s23*z1)/(s12*s123*s234*z2) - 
   (D*s1234*s23*z1)/(2*s12*s123*s234*z2) + (7*s1234*s23*z1)/
    (s123*s13*s234*z2) - (D*s1234*s23*z1)/(2*s123*s13*s234*z2) + 
   (2*s1234*s23*z1)/(s123*s234*s24*z2) - (D*s1234*s23*z1)/
    (2*s123*s234*s24*z2) + (2*s12*s1234*s23*z1)/(s123*s13*s234*s24*z2) - 
   (D*s12*s1234*s23*z1)/(2*s123*s13*s234*s24*z2) + 
   (2*s1234*s23^2*z1)/(s123*s13*s234*s24*z2) - 
   (D*s1234*s23^2*z1)/(2*s123*s13*s234*s24*z2) - 
   (s1234*s24*z1)/(s12*s123*s234*z2) + (3*s1234*s24*z1)/(s123*s13*s234*z2) + 
   (4*s1234*z1)/(s12*s34*z2) - (D*s1234*z1)/(s12*s34*z2) - 
   (8*s1234*z1)/(s123*s34*z2) + (2*D*s1234*z1)/(s123*s34*z2) - 
   (s1234*z1)/(s13*s34*z2) - (8*s1234*s13*z1)/(s12*s123*s34*z2) + 
   (2*D*s1234*s13*z1)/(s12*s123*s34*z2) + (4*s1234*s14*z1)/
    (s12*s123*s34*z2) - (2*s1234*s14*z1)/(s12*s13*s34*z2) + 
   (4*s1234*s14*z1)/(s123*s13*s34*z2) - (8*s1234*s23*z1)/(s12*s123*s34*z2) + 
   (2*D*s1234*s23*z1)/(s12*s123*s34*z2) + (2*s1234*s23*z1)/(s12*s13*s34*z2) - 
   (D*s1234*s23*z1)/(2*s12*s13*s34*z2) - (4*s1234*s23*z1)/(s123*s13*s34*z2) + 
   (D*s1234*s23*z1)/(s123*s13*s34*z2) + (2*s1234*s14*s23*z1)/
    (s12*s123*s13*s34*z2) - (2*s1234*s23^2*z1)/(s12*s123*s13*s34*z2) + 
   (D*s1234*s23^2*z1)/(2*s12*s123*s13*s34*z2) + 
   (2*s1234*s23*z1)/(s123*s234*s34*z2) - (D*s1234*s23*z1)/
    (2*s123*s234*s34*z2) + (5*s1234*s23*z1)/(s13*s234*s34*z2) - 
   (D*s1234*s23*z1)/(s13*s234*s34*z2) - (2*s12*s1234*s23*z1)/
    (s123*s13*s234*s34*z2) + (D*s12*s1234*s23*z1)/(2*s123*s13*s234*s34*z2) + 
   (4*s1234*s13*s23*z1)/(s12*s123*s234*s34*z2) - 
   (D*s1234*s13*s23*z1)/(s12*s123*s234*s34*z2) - 
   (2*s1234*s14*s23*z1)/(s12*s123*s234*s34*z2) - 
   (2*s1234*s14*s23*z1)/(s123*s13*s234*s34*z2) + 
   (2*s1234*s23^2*z1)/(s12*s123*s234*s34*z2) - 
   (D*s1234*s23^2*z1)/(2*s12*s123*s234*s34*z2) - 
   (2*s1234*s23*z1)/(s13*s24*s34*z2) + (D*s1234*s23*z1)/(2*s13*s24*s34*z2) + 
   (2*s1234*s23^2*z1)/(s13*s234*s24*s34*z2) - (D*s1234*s23^2*z1)/
    (2*s13*s234*s24*s34*z2) + (2*s1234*s24*z1)/(s12*s123*s34*z2) - 
   (s1234*s24*z1)/(s12*s13*s34*z2) + (s1234*s23*s24*z1)/
    (s12*s123*s13*s34*z2) + (5*s1234*s24*z1)/(s123*s234*s34*z2) - 
   (D*s1234*s24*z1)/(s123*s234*s34*z2) + (s12*s1234*s24*z1)/
    (s123*s13*s234*s34*z2) + (4*s1234*s13*s24*z1)/(s12*s123*s234*s34*z2) - 
   (D*s1234*s13*s24*z1)/(s12*s123*s234*s34*z2) - 
   (2*s1234*s14*s24*z1)/(s12*s123*s234*s34*z2) - 
   (2*s1234*s14*s24*z1)/(s123*s13*s234*s34*z2) + 
   (s1234*s23*s24*z1)/(s12*s123*s234*s34*z2) - (D*s1234*s23*s24*z1)/
    (2*s12*s123*s234*s34*z2) + (4*s1234*s23*s24*z1)/(s123*s13*s234*s34*z2) - 
   (D*s1234*s23*s24*z1)/(2*s123*s13*s234*s34*z2) - 
   (s1234*s24^2*z1)/(s12*s123*s234*s34*z2) + (s1234*s24^2*z1)/
    (s123*s13*s234*s34*z2) + (2*s1234*s34*z1)/(s123*s13*s234*z2) + 
   (4*s1234*z1)/(s123^2*z3) - (4*s1234*z1)/(s12*s123*z3) + 
   (s1234*z1)/(s12*s13*z3) + (2*s12*s1234*z1)/(s123^2*s13*z3) - 
   (2*s1234*z1)/(s123*s13*z3) + (2*s1234*s13*z1)/(s12*s123^2*z3) + 
   (4*s1234*s23*z1)/(s12*s123^2*z3) + (4*s1234*s23*z1)/(s123^2*s13*z3) - 
   (3*s1234*s23*z1)/(s12*s123*s13*z3) + (2*s1234*s23^2*z1)/
    (s12*s123^2*s13*z3) - (s1234*z1)/(s123*s234*z3) - 
   (2*s1234*z1)/(s13*s234*z3) - (2*s12*s1234*z1)/(s123*s13*s234*z3) + 
   (s1234*s13*z1)/(s12*s123*s234*z3) - (2*s1234*s14*z1)/(s12*s123*s234*z3) - 
   (2*s1234*s14*z1)/(s123*s13*s234*z3) + (2*s1234*s23*z1)/
    (s12*s123*s234*z3) - (2*s1234*s23*z1)/(s123*s13*s234*z3) + 
   (4*s1234*z1)/(s13*s24*z3) + (4*s1234*s14*z1)/(s12*s123*s24*z3) - 
   (2*s1234*s14*z1)/(s12*s13*s24*z3) + (4*s1234*s14*z1)/(s123*s13*s24*z3) - 
   (s1234*s23*z1)/(s123*s13*s24*z3) + (2*s1234*s14*s23*z1)/
    (s12*s123*s13*s24*z3) - (2*s1234*s23*z1)/(s123*s234*s24*z3) - 
   (2*s1234*s23*z1)/(s13*s234*s24*z3) - (2*s12*s1234*s23*z1)/
    (s123*s13*s234*s24*z3) - (2*s1234*s14*s23*z1)/(s12*s123*s234*s24*z3) - 
   (2*s1234*s14*s23*z1)/(s123*s13*s234*s24*z3) - 
   (s1234*s23^2*z1)/(s123*s13*s234*s24*z3) + 
   (s1234*s24*z1)/(s12*s123*s234*z3) - (s1234*s24*z1)/(s123*s13*s234*z3) - 
   (s1234*z1)/(s12*s34*z3) + (2*s1234*s23*z1)/(s12*s234*s34*z3) - 
   (s1234*s23*z1)/(s123*s234*s34*z3) - (s1234*s13*s23*z1)/
    (s12*s123*s234*s34*z3) - (s1234*s23^2*z1)/(s12*s123*s234*s34*z3) + 
   (s1234*s24*z1)/(s123*s234*s34*z3) + (s1234*s13*s24*z1)/
    (s12*s123*s234*s34*z3) + (s1234*s23*s24*z1)/(s12*s123*s234*s34*z3) + 
   (s1234*s34*z1)/(s12*s123*s234*z3) - (3*s1234*s34*z1)/(s123*s13*s234*z3) + 
   (2*s1234*s34*z1)/(s123*s13*s24*z3) - (2*s1234*s34*z1)/(s123*s234*s24*z3) - 
   (2*s1234*s34*z1)/(s13*s234*s24*z3) - (2*s12*s1234*s34*z1)/
    (s123*s13*s234*s24*z3) - (2*s1234*s14*s34*z1)/(s12*s123*s234*s24*z3) - 
   (2*s1234*s14*s34*z1)/(s123*s13*s234*s24*z3) - 
   (3*s1234*s23*s34*z1)/(s123*s13*s234*s24*z3) - 
   (2*s1234*s34^2*z1)/(s123*s13*s234*s24*z3) + 
   (8*s1234*z1^2)/(s123^2*z2*z3) - (8*s1234*z1^2)/(s12*s123*z2*z3) + 
   (2*s1234*z1^2)/(s12*s13*z2*z3) + (4*s12*s1234*z1^2)/(s123^2*s13*z2*z3) - 
   (8*s1234*z1^2)/(s123*s13*z2*z3) + (4*s1234*s13*z1^2)/(s12*s123^2*z2*z3) + 
   (6*s1234*s23*z1^2)/(s12*s123^2*z2*z3) + (6*s1234*s23*z1^2)/
    (s123^2*s13*z2*z3) - (4*s1234*s23*z1^2)/(s12*s123*s13*z2*z3) + 
   (2*s1234*s23^2*z1^2)/(s12*s123^2*s13*z2*z3) + 
   (2*s1234*s23*z1^2)/(s12*s123*s234*z2*z3) + (2*s1234*s23*z1^2)/
    (s123*s13*s234*z2*z3) + (2*s1234*s24*z1^2)/(s12*s123*s234*z2*z3) + 
   (2*s1234*s24*z1^2)/(s123*s13*s234*z2*z3) + (2*s1234*s34*z1^2)/
    (s12*s123*s234*z2*z3) + (2*s1234*s34*z1^2)/(s123*s13*s234*z2*z3) - 
   (4*s1234*z2)/(s123^2*z3) + (D*s1234*z2)/(s123^2*z3) + 
   (4*s1234*z2)/(s12*s123*z3) - (D*s1234*z2)/(s12*s123*z3) - 
   (4*s1234*s13*z2)/(s12*s123^2*z3) + (D*s1234*s13*z2)/(s12*s123^2*z3) - 
   (4*s1234*s23*z2)/(s12*s123^2*z3) + (D*s1234*s23*z2)/(s12*s123^2*z3) + 
   (5*s1234*z2)/(s123*s234*z3) - (D*s1234*z2)/(s123*s234*z3) - 
   (s1234*s14*z2)/(s12*s123*s234*z3) + (s1234*s14*z2)/(s123*s13*s234*z3) - 
   (5*s1234*z2)/(s123*s24*z3) + (D*s1234*z2)/(s123*s24*z3) + 
   (2*s1234*s14*z2)/(s12*s123*s24*z3) - (s1234*s14*z2)/(s12*s13*s24*z3) + 
   (s1234*s14*s23*z2)/(s12*s123*s13*s24*z3) - 
   (s1234*s14*z2)/(s123*s234*s24*z3) - (s1234*s13*s14*z2)/
    (s12*s123*s234*s24*z3) + (5*s1234*s23*z2)/(s123*s234*s24*z3) - 
   (D*s1234*s23*z2)/(s123*s234*s24*z3) - (2*s1234*s14*s23*z2)/
    (s12*s123*s234*s24*z3) + (s1234*s14*s23*z2)/(s123*s13*s234*s24*z3) - 
   (s1234*s13*z2)/(s12*s234*s34*z3) + (s1234*s13*z2)/(s123*s234*s34*z3) + 
   (s1234*s13^2*z2)/(s12*s123*s234*s34*z3) - 
   (s1234*s14*z2)/(s123*s234*s34*z3) - (s1234*s13*s14*z2)/
    (s12*s123*s234*s34*z3) + (s1234*s13*s23*z2)/(s12*s123*s234*s34*z3) - 
   (s1234*s14*s23*z2)/(s12*s123*s234*s34*z3) + 
   (s1234*s14*z2)/(s12*s24*s34*z3) - (s1234*s14*s23*z2)/
    (s12*s234*s24*s34*z3) + (5*s1234*s34*z2)/(s123*s234*s24*z3) - 
   (D*s1234*s34*z2)/(s123*s234*s24*z3) - (s1234*s14*s34*z2)/
    (s12*s123*s234*s24*z3) + (s1234*s14*s34*z2)/(s123*s13*s234*s24*z3) - 
   (2*s1234*z3)/(s123^2*z2) + (D*s1234*z3)/(s123^2*z2) - 
   (2*s12*s1234*z3)/(s123^2*s13*z2) + (D*s12*s1234*z3)/(s123^2*s13*z2) + 
   (2*s1234*z3)/(s123*s13*z2) - (D*s1234*z3)/(s123*s13*z2) - 
   (2*s1234*s23*z3)/(s123^2*s13*z2) + (D*s1234*s23*z3)/(s123^2*s13*z2) + 
   (2*s1234*z3)/(s123*s234*z2) - (D*s1234*z3)/(2*s123*s234*z2) - 
   (2*s12*s1234*z3)/(s123*s13*s234*z2) + (D*s12*s1234*z3)/
    (2*s123*s13*s234*z2) - (2*s1234*s14*z3)/(s123*s13*s234*z2) - 
   (2*s12*s1234*z3)/(s123*s234*s24*z2) + (D*s12*s1234*z3)/
    (2*s123*s234*s24*z2) - (2*s12^2*s1234*z3)/(s123*s13*s234*s24*z2) + 
   (D*s12^2*s1234*z3)/(2*s123*s13*s234*s24*z2) - 
   (2*s12*s1234*s23*z3)/(s123*s13*s234*s24*z2) + 
   (D*s12*s1234*s23*z3)/(2*s123*s13*s234*s24*z2) - 
   (2*s1234*z3)/(s13*s34*z2) + (D*s1234*z3)/(2*s13*s34*z2) + 
   (4*s12*s1234*z3)/(s123*s13*s34*z2) - (D*s12*s1234*z3)/(s123*s13*s34*z2) + 
   (2*s1234*s14*z3)/(s123*s13*s34*z2) + (2*s1234*s23*z3)/(s123*s13*s34*z2) - 
   (D*s1234*s23*z3)/(2*s123*s13*s34*z2) - (4*s1234*z3)/(s234*s34*z2) + 
   (D*s1234*z3)/(s234*s34*z2) + (6*s12*s1234*z3)/(s123*s234*s34*z2) - 
   (3*D*s12*s1234*z3)/(2*s123*s234*s34*z2) - (4*s12*s1234*z3)/
    (s13*s234*s34*z2) + (D*s12*s1234*z3)/(s13*s234*s34*z2) + 
   (2*s12^2*s1234*z3)/(s123*s13*s234*s34*z2) - 
   (D*s12^2*s1234*z3)/(2*s123*s13*s234*s34*z2) + 
   (4*s1234*s13*z3)/(s123*s234*s34*z2) - (D*s1234*s13*z3)/
    (s123*s234*s34*z2) - (2*s1234*s14*z3)/(s123*s234*s34*z2) + 
   (2*s1234*s14*z3)/(s13*s234*s34*z2) - (2*s12*s1234*s14*z3)/
    (s123*s13*s234*s34*z2) + (6*s1234*s23*z3)/(s123*s234*s34*z2) - 
   (3*D*s1234*s23*z3)/(2*s123*s234*s34*z2) - (4*s1234*s14*s23*z3)/
    (s123*s13*s234*s34*z2) + (2*s12*s1234*z3)/(s13*s24*s34*z2) - 
   (D*s12*s1234*z3)/(2*s13*s24*s34*z2) - (2*s12*s1234*s23*z3)/
    (s13*s234*s24*s34*z2) + (D*s12*s1234*s23*z3)/(2*s13*s234*s24*s34*z2) + 
   (2*s1234*s24*z3)/(s123*s234*s34*z2) - (D*s1234*s24*z3)/
    (2*s123*s234*s34*z2) - (2*s12*s1234*s24*z3)/(s123*s13*s234*s34*z2) + 
   (D*s12*s1234*s24*z3)/(2*s123*s13*s234*s34*z2) - 
   (2*s1234*s14*s24*z3)/(s123*s13*s234*s34*z2) + (s1234*z4)/(s123*s234*z2) - 
   (s12*s1234*z4)/(s123*s13*s234*z2) + (4*s1234*z4)/(s123*s24*z2) - 
   (2*D*s1234*z4)/(s123*s24*z2) - (4*s1234*z4)/(s13*s24*z2) + 
   (2*D*s1234*z4)/(s13*s24*z2) + (4*s12*s1234*z4)/(s123*s13*s24*z2) - 
   (2*D*s12*s1234*z4)/(s123*s13*s24*z2) + (4*s1234*s23*z4)/
    (s123*s13*s24*z2) - (2*D*s1234*s23*z4)/(s123*s13*s24*z2) - 
   (8*s1234*z4)/(s234*s24*z2) + (2*D*s1234*z4)/(s234*s24*z2) + 
   (s12*s1234*z4)/(s123*s234*s24*z2) - (D*s12*s1234*z4)/(s123*s234*s24*z2) + 
   (2*s12*s1234*z4)/(s13*s234*s24*z2) - (3*s12^2*s1234*z4)/
    (s123*s13*s234*s24*z2) + (4*s1234*s13*z4)/(s123*s234*s24*z2) - 
   (D*s1234*s13*z4)/(s123*s234*s24*z2) - (2*s1234*s14*z4)/
    (s123*s234*s24*z2) + (4*s1234*s14*z4)/(s13*s234*s24*z2) - 
   (2*s12*s1234*s14*z4)/(s123*s13*s234*s24*z2) + 
   (4*s1234*s23*z4)/(s123*s234*s24*z2) - (D*s1234*s23*z4)/
    (s123*s234*s24*z2) - (3*s12*s1234*s23*z4)/(s123*s13*s234*s24*z2) - 
   (2*s1234*s14*s23*z4)/(s123*s13*s234*s24*z2) - (2*s1234*z4)/(s123*s34*z2) + 
   (s1234*z4)/(s13*s34*z2) - (s1234*s23*z4)/(s123*s13*s34*z2) - 
   (8*s1234*z4)/(s234*s34*z2) + (2*D*s1234*z4)/(s234*s34*z2) + 
   (3*s12*s1234*z4)/(s123*s234*s34*z2) - (D*s12*s1234*z4)/
    (s123*s234*s34*z2) - (s12^2*s1234*z4)/(s123*s13*s234*s34*z2) + 
   (4*s1234*s13*z4)/(s123*s234*s34*z2) - (D*s1234*s13*z4)/
    (s123*s234*s34*z2) - (2*s1234*s14*z4)/(s123*s234*s34*z2) + 
   (4*s1234*s14*z4)/(s13*s234*s34*z2) - (2*s12*s1234*s14*z4)/
    (s123*s13*s234*s34*z2) + (5*s1234*s23*z4)/(s123*s234*s34*z2) - 
   (D*s1234*s23*z4)/(s123*s234*s34*z2) - (2*s12*s1234*s23*z4)/
    (s123*s13*s234*s34*z2) - (2*s1234*s14*s23*z4)/(s123*s13*s234*s34*z2) + 
   (4*s1234*z4)/(s24*s34*z2) - (D*s1234*z4)/(s24*s34*z2) + 
   (s12*s1234*z4)/(s13*s24*s34*z2) - (2*s1234*s14*z4)/(s13*s24*s34*z2) - 
   (4*s1234*s23*z4)/(s234*s24*s34*z2) + (D*s1234*s23*z4)/(s234*s24*s34*z2) - 
   (s12*s1234*s23*z4)/(s13*s234*s24*s34*z2) + (2*s1234*s14*s23*z4)/
    (s13*s234*s24*s34*z2) + (s1234*s24*z4)/(s123*s234*s34*z2) - 
   (s12*s1234*s24*z4)/(s123*s13*s234*s34*z2) + (s1234*z4)/(s123*s234*z3) - 
   (s12*s1234*z4)/(s123*s13*s234*z3) - (2*s1234*z4)/(s123*s24*z3) + 
   (s1234*z4)/(s13*s24*z3) - (s1234*s23*z4)/(s123*s13*s24*z3) - 
   (2*s1234*z4)/(s234*s24*z3) + (s12*s1234*z4)/(s123*s234*s24*z3) + 
   (s1234*s13*z4)/(s123*s234*s24*z3) + (2*s1234*s23*z4)/(s123*s234*s24*z3) - 
   (s12*s1234*s23*z4)/(s123*s13*s234*s24*z3) - (4*s1234*z4)/(s234*s34*z3) + 
   (3*s12*s1234*z4)/(s123*s234*s34*z3) + (3*s1234*s13*z4)/
    (s123*s234*s34*z3) + (3*s1234*s23*z4)/(s123*s234*s34*z3) + 
   (s1234*z4)/(s24*s34*z3) - (s1234*s23*z4)/(s234*s24*s34*z3) + 
   (s1234*s34*z4)/(s123*s234*s24*z3) - (s12*s1234*s34*z4)/
    (s123*s13*s234*s24*z3) + (2*s1234*z1*z4)/(s123*s234*z2*z3) - 
   (4*s1234*z1*z4)/(s13*s234*z2*z3) + (2*s12*s1234*z1*z4)/
    (s123*s13*s234*z2*z3) + (2*s1234*s23*z1*z4)/(s123*s13*s234*z2*z3) - 
   (4*s1234*z1*z4)/(s123*s24*z2*z3) + (6*s1234*z1*z4)/(s13*s24*z2*z3) - 
   (4*s12*s1234*z1*z4)/(s123*s13*s24*z2*z3) - (4*s1234*s23*z1*z4)/
    (s123*s13*s24*z2*z3) + (2*s1234*s23*z1*z4)/(s123*s234*s24*z2*z3) - 
   (4*s1234*s23*z1*z4)/(s13*s234*s24*z2*z3) + (2*s12*s1234*s23*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (2*s1234*s23^2*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (2*s1234*s34*z1*z4)/(s123*s234*s24*z2*z3) - 
   (4*s1234*s34*z1*z4)/(s13*s234*s24*z2*z3) + (2*s12*s1234*s34*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (2*s1234*s23*s34*z1*z4)/
    (s123*s13*s234*s24*z2*z3)) + k4k3*((4*s1234)/s123^2 - (D*s1234)/s123^2 + 
   (6*s12*s1234)/(s123^2*s13) - (2*D*s12*s1234)/(s123^2*s13) + 
   (2*s1234*s13)/(s12*s123^2) - (D*s1234*s13)/(s12*s123^2) + 
   (4*s1234*s23)/(s12*s123^2) - (3*D*s1234*s23)/(s12*s123^2) + 
   (D^2*s1234*s23)/(2*s12*s123^2) + (8*s1234*s23)/(s123^2*s13) - 
   (4*D*s1234*s23)/(s123^2*s13) + (D^2*s1234*s23)/(2*s123^2*s13) - 
   (12*s1234)/(s123*s234) + (5*D*s1234)/(2*s123*s234) + 
   (9*s12*s1234)/(s123*s13*s234) - (2*D*s12*s1234)/(s123*s13*s234) - 
   (2*s1234*s13)/(s12*s123*s234) + (D*s1234*s13)/(2*s12*s123*s234) + 
   (s1234*s14)/(s12*s123*s234) + (s1234*s14)/(s123*s13*s234) + 
   (2*s1234)/(s13*s24) + (9*s12*s1234)/(s123*s13*s24) - 
   (2*D*s12*s1234)/(s123*s13*s24) - (4*s1234*s14)/(s12*s123*s24) + 
   (2*D*s1234*s14)/(s12*s123*s24) - (4*s1234*s14)/(s123*s13*s24) + 
   (2*D*s1234*s14)/(s123*s13*s24) + (12*s1234*s23)/(s123*s13*s24) - 
   (5*D*s1234*s23)/(s123*s13*s24) + (D^2*s1234*s23)/(2*s123*s13*s24) - 
   (2*s1234*s14*s23)/(s12*s123*s13*s24) + (D*s1234*s14*s23)/
    (s12*s123*s13*s24) + (2*s1234)/(s234*s24) - (D*s1234)/(s234*s24) + 
   (2*s12*s1234)/(s123*s234*s24) - (D*s12*s1234)/(2*s123*s234*s24) + 
   (12*s12*s1234)/(s13*s234*s24) - (2*D*s12*s1234)/(s13*s234*s24) + 
   (2*s1234*s13)/(s123*s234*s24) - (D*s1234*s13)/(2*s123*s234*s24) - 
   (s1234*s14)/(s123*s234*s24) + (D*s1234*s14)/(s123*s234*s24) + 
   (2*s1234*s14)/(s13*s234*s24) + (3*s12*s1234*s14)/(s123*s13*s234*s24) - 
   (4*s1234*s13*s14)/(s12*s123*s234*s24) + (D*s1234*s13*s14)/
    (s12*s123*s234*s24) + (2*s1234*s14^2)/(s12*s123*s234*s24) + 
   (2*s1234*s14^2)/(s123*s13*s234*s24) + (6*s1234*s23)/(s123*s234*s24) - 
   (3*D*s1234*s23)/(2*s123*s234*s24) - (s12*s1234*s23)/(s123*s13*s234*s24) - 
   (5*s1234*s14*s23)/(s123*s13*s234*s24) + (D*s1234*s14*s23)/
    (s123*s13*s234*s24) + (2*s1234)/(s12*s34) - (D*s1234)/(2*s12*s34) - 
   (6*s1234)/(s123*s34) + (D*s1234)/(s123*s34) + (s1234*s14)/(s12*s13*s34) + 
   (2*s1234*s14)/(s123*s13*s34) + (6*s1234*s23)/(s12*s123*s34) - 
   (7*D*s1234*s23)/(2*s12*s123*s34) + (D^2*s1234*s23)/(2*s12*s123*s34) + 
   (12*s1234*s23)/(s123*s13*s34) - (5*D*s1234*s23)/(s123*s13*s34) + 
   (D^2*s1234*s23)/(2*s123*s13*s34) + (s1234*s14*s23)/(s12*s123*s13*s34) - 
   (7*s1234)/(s234*s34) - (3*s12*s1234)/(s123*s234*s34) + 
   (D*s12*s1234)/(2*s123*s234*s34) - (7*s1234*s13)/(s123*s234*s34) + 
   (3*D*s1234*s13)/(2*s123*s234*s34) - (4*s1234*s13^2)/(s12*s123*s234*s34) + 
   (D*s1234*s13^2)/(s12*s123*s234*s34) - (3*s1234*s14)/(s123*s234*s34) + 
   (D*s1234*s14)/(s123*s234*s34) + (2*s1234*s14)/(s13*s234*s34) - 
   (s12*s1234*s14)/(s123*s13*s234*s34) - (2*s1234*s13*s14)/
    (s12*s123*s234*s34) + (D*s1234*s13*s14)/(s12*s123*s234*s34) + 
   (2*s1234*s14^2)/(s12*s123*s234*s34) + (2*s1234*s14^2)/
    (s123*s13*s234*s34) + (13*s1234*s23)/(s123*s234*s34) - 
   (5*D*s1234*s23)/(s123*s234*s34) + (D^2*s1234*s23)/(2*s123*s234*s34) + 
   (12*s12*s1234*s23)/(s123*s13*s234*s34) - (5*D*s12*s1234*s23)/
    (s123*s13*s234*s34) + (D^2*s12*s1234*s23)/(2*s123*s13*s234*s34) - 
   (2*s1234*s13*s23)/(s12*s123*s234*s34) + (D*s1234*s13*s23)/
    (2*s12*s123*s234*s34) + (s1234*s14*s23)/(s12*s123*s234*s34) - 
   (6*s1234*s14*s23)/(s123*s13*s234*s34) + (D*s1234*s14*s23)/
    (s123*s13*s234*s34) - (2*s1234)/(s24*s34) + (D*s1234)/(2*s24*s34) - 
   (4*s1234*s14)/(s12*s24*s34) + (D*s1234*s14)/(s12*s24*s34) - 
   (3*s1234*s14)/(s13*s24*s34) + (2*s1234*s14^2)/(s12*s13*s24*s34) + 
   (12*s1234*s23)/(s13*s24*s34) - (5*D*s1234*s23)/(s13*s24*s34) + 
   (D^2*s1234*s23)/(2*s13*s24*s34) - (4*s1234*s14*s23)/(s12*s13*s24*s34) + 
   (D*s1234*s14*s23)/(s12*s13*s24*s34) + (2*s1234*s23)/(s234*s24*s34) - 
   (D*s1234*s23)/(2*s234*s24*s34) + (12*s12*s1234*s23)/(s13*s234*s24*s34) - 
   (5*D*s12*s1234*s23)/(s13*s234*s24*s34) + (D^2*s12*s1234*s23)/
    (2*s13*s234*s24*s34) - (s1234*s14*s23)/(s13*s234*s24*s34) - 
   (4*s1234*s24)/(s12*s123*s34) + (D*s1234*s24)/(s12*s123*s34) - 
   (10*s1234*s24)/(s123*s234*s34) + (3*D*s1234*s24)/(2*s123*s234*s34) - 
   (2*s1234*s13*s24)/(s12*s123*s234*s34) + (D*s1234*s13*s24)/
    (2*s12*s123*s234*s34) + (s1234*s14*s24)/(s12*s123*s234*s34) - 
   (s1234*s14*s24)/(s123*s13*s234*s34) - (2*s1234*s34)/(s123*s13*s24) + 
   (D*s1234*s34)/(s123*s13*s24) + (7*s12*s1234*s34)/(s123*s13*s234*s24) - 
   (D*s12*s1234*s34)/(s123*s13*s234*s24) + (2*s1234*s14*s34)/
    (s123*s13*s234*s24) - (6*s1234*z1)/(s123^2*z2) + 
   (4*D*s1234*z1)/(s123^2*z2) + (4*s1234*z1)/(s12*s123*z2) - 
   (2*D*s1234*z1)/(s12*s123*z2) - (2*s12*s1234*z1)/(s123^2*s13*z2) + 
   (2*D*s12*s1234*z1)/(s123^2*s13*z2) - (2*D*s1234*z1)/(s123*s13*z2) - 
   (4*s1234*s13*z1)/(s12*s123^2*z2) + (2*D*s1234*s13*z1)/(s12*s123^2*z2) - 
   (6*s1234*s23*z1)/(s12*s123^2*z2) + (3*D*s1234*s23*z1)/(s12*s123^2*z2) - 
   (4*s1234*s23*z1)/(s123^2*s13*z2) + (3*D*s1234*s23*z1)/(s123^2*s13*z2) + 
   (2*s1234*s23*z1)/(s12*s123*s13*z2) - (D*s1234*s23*z1)/(s12*s123*s13*z2) - 
   (2*s1234*s23^2*z1)/(s12*s123^2*s13*z2) + (D*s1234*s23^2*z1)/
    (s12*s123^2*s13*z2) + (7*s1234*z1)/(s123*s234*z2) - 
   (D*s1234*z1)/(s123*s234*z2) - (2*s1234*z1)/(s13*s234*z2) + 
   (3*s12*s1234*z1)/(s123*s13*s234*z2) + (4*s1234*s13*z1)/
    (s12*s123*s234*z2) - (D*s1234*s13*z1)/(s12*s123*s234*z2) - 
   (2*s1234*s14*z1)/(s12*s123*s234*z2) - (2*s1234*s14*z1)/
    (s123*s13*s234*z2) + (2*s1234*s23*z1)/(s12*s123*s234*z2) - 
   (D*s1234*s23*z1)/(2*s12*s123*s234*z2) + (7*s1234*s23*z1)/
    (s123*s13*s234*z2) - (D*s1234*s23*z1)/(2*s123*s13*s234*z2) + 
   (2*s1234*s23*z1)/(s123*s234*s24*z2) - (D*s1234*s23*z1)/
    (2*s123*s234*s24*z2) + (2*s12*s1234*s23*z1)/(s123*s13*s234*s24*z2) - 
   (D*s12*s1234*s23*z1)/(2*s123*s13*s234*s24*z2) + 
   (2*s1234*s23^2*z1)/(s123*s13*s234*s24*z2) - 
   (D*s1234*s23^2*z1)/(2*s123*s13*s234*s24*z2) - 
   (s1234*s24*z1)/(s12*s123*s234*z2) + (3*s1234*s24*z1)/(s123*s13*s234*z2) + 
   (4*s1234*z1)/(s12*s34*z2) - (D*s1234*z1)/(s12*s34*z2) - 
   (8*s1234*z1)/(s123*s34*z2) + (2*D*s1234*z1)/(s123*s34*z2) - 
   (s1234*z1)/(s13*s34*z2) - (8*s1234*s13*z1)/(s12*s123*s34*z2) + 
   (2*D*s1234*s13*z1)/(s12*s123*s34*z2) + (4*s1234*s14*z1)/
    (s12*s123*s34*z2) - (2*s1234*s14*z1)/(s12*s13*s34*z2) + 
   (4*s1234*s14*z1)/(s123*s13*s34*z2) - (8*s1234*s23*z1)/(s12*s123*s34*z2) + 
   (2*D*s1234*s23*z1)/(s12*s123*s34*z2) + (2*s1234*s23*z1)/(s12*s13*s34*z2) - 
   (D*s1234*s23*z1)/(2*s12*s13*s34*z2) - (4*s1234*s23*z1)/(s123*s13*s34*z2) + 
   (D*s1234*s23*z1)/(s123*s13*s34*z2) + (2*s1234*s14*s23*z1)/
    (s12*s123*s13*s34*z2) - (2*s1234*s23^2*z1)/(s12*s123*s13*s34*z2) + 
   (D*s1234*s23^2*z1)/(2*s12*s123*s13*s34*z2) + 
   (2*s1234*s23*z1)/(s123*s234*s34*z2) - (D*s1234*s23*z1)/
    (2*s123*s234*s34*z2) + (5*s1234*s23*z1)/(s13*s234*s34*z2) - 
   (D*s1234*s23*z1)/(s13*s234*s34*z2) - (2*s12*s1234*s23*z1)/
    (s123*s13*s234*s34*z2) + (D*s12*s1234*s23*z1)/(2*s123*s13*s234*s34*z2) + 
   (4*s1234*s13*s23*z1)/(s12*s123*s234*s34*z2) - 
   (D*s1234*s13*s23*z1)/(s12*s123*s234*s34*z2) - 
   (2*s1234*s14*s23*z1)/(s12*s123*s234*s34*z2) - 
   (2*s1234*s14*s23*z1)/(s123*s13*s234*s34*z2) + 
   (2*s1234*s23^2*z1)/(s12*s123*s234*s34*z2) - 
   (D*s1234*s23^2*z1)/(2*s12*s123*s234*s34*z2) - 
   (2*s1234*s23*z1)/(s13*s24*s34*z2) + (D*s1234*s23*z1)/(2*s13*s24*s34*z2) + 
   (2*s1234*s23^2*z1)/(s13*s234*s24*s34*z2) - (D*s1234*s23^2*z1)/
    (2*s13*s234*s24*s34*z2) + (2*s1234*s24*z1)/(s12*s123*s34*z2) - 
   (s1234*s24*z1)/(s12*s13*s34*z2) + (s1234*s23*s24*z1)/
    (s12*s123*s13*s34*z2) + (5*s1234*s24*z1)/(s123*s234*s34*z2) - 
   (D*s1234*s24*z1)/(s123*s234*s34*z2) + (s12*s1234*s24*z1)/
    (s123*s13*s234*s34*z2) + (4*s1234*s13*s24*z1)/(s12*s123*s234*s34*z2) - 
   (D*s1234*s13*s24*z1)/(s12*s123*s234*s34*z2) - 
   (2*s1234*s14*s24*z1)/(s12*s123*s234*s34*z2) - 
   (2*s1234*s14*s24*z1)/(s123*s13*s234*s34*z2) + 
   (s1234*s23*s24*z1)/(s12*s123*s234*s34*z2) - (D*s1234*s23*s24*z1)/
    (2*s12*s123*s234*s34*z2) + (4*s1234*s23*s24*z1)/(s123*s13*s234*s34*z2) - 
   (D*s1234*s23*s24*z1)/(2*s123*s13*s234*s34*z2) - 
   (s1234*s24^2*z1)/(s12*s123*s234*s34*z2) + (s1234*s24^2*z1)/
    (s123*s13*s234*s34*z2) + (2*s1234*s34*z1)/(s123*s13*s234*z2) + 
   (4*s1234*z1)/(s123^2*z3) - (4*s1234*z1)/(s12*s123*z3) + 
   (s1234*z1)/(s12*s13*z3) + (2*s12*s1234*z1)/(s123^2*s13*z3) - 
   (2*s1234*z1)/(s123*s13*z3) + (2*s1234*s13*z1)/(s12*s123^2*z3) + 
   (4*s1234*s23*z1)/(s12*s123^2*z3) + (4*s1234*s23*z1)/(s123^2*s13*z3) - 
   (3*s1234*s23*z1)/(s12*s123*s13*z3) + (2*s1234*s23^2*z1)/
    (s12*s123^2*s13*z3) - (s1234*z1)/(s123*s234*z3) - 
   (2*s1234*z1)/(s13*s234*z3) - (2*s12*s1234*z1)/(s123*s13*s234*z3) + 
   (s1234*s13*z1)/(s12*s123*s234*z3) - (2*s1234*s14*z1)/(s12*s123*s234*z3) - 
   (2*s1234*s14*z1)/(s123*s13*s234*z3) + (2*s1234*s23*z1)/
    (s12*s123*s234*z3) - (2*s1234*s23*z1)/(s123*s13*s234*z3) + 
   (4*s1234*z1)/(s13*s24*z3) + (4*s1234*s14*z1)/(s12*s123*s24*z3) - 
   (2*s1234*s14*z1)/(s12*s13*s24*z3) + (4*s1234*s14*z1)/(s123*s13*s24*z3) - 
   (s1234*s23*z1)/(s123*s13*s24*z3) + (2*s1234*s14*s23*z1)/
    (s12*s123*s13*s24*z3) - (2*s1234*s23*z1)/(s123*s234*s24*z3) - 
   (2*s1234*s23*z1)/(s13*s234*s24*z3) - (2*s12*s1234*s23*z1)/
    (s123*s13*s234*s24*z3) - (2*s1234*s14*s23*z1)/(s12*s123*s234*s24*z3) - 
   (2*s1234*s14*s23*z1)/(s123*s13*s234*s24*z3) - 
   (s1234*s23^2*z1)/(s123*s13*s234*s24*z3) + 
   (s1234*s24*z1)/(s12*s123*s234*z3) - (s1234*s24*z1)/(s123*s13*s234*z3) - 
   (s1234*z1)/(s12*s34*z3) + (2*s1234*s23*z1)/(s12*s234*s34*z3) - 
   (s1234*s23*z1)/(s123*s234*s34*z3) - (s1234*s13*s23*z1)/
    (s12*s123*s234*s34*z3) - (s1234*s23^2*z1)/(s12*s123*s234*s34*z3) + 
   (s1234*s24*z1)/(s123*s234*s34*z3) + (s1234*s13*s24*z1)/
    (s12*s123*s234*s34*z3) + (s1234*s23*s24*z1)/(s12*s123*s234*s34*z3) + 
   (s1234*s34*z1)/(s12*s123*s234*z3) - (3*s1234*s34*z1)/(s123*s13*s234*z3) + 
   (2*s1234*s34*z1)/(s123*s13*s24*z3) - (2*s1234*s34*z1)/(s123*s234*s24*z3) - 
   (2*s1234*s34*z1)/(s13*s234*s24*z3) - (2*s12*s1234*s34*z1)/
    (s123*s13*s234*s24*z3) - (2*s1234*s14*s34*z1)/(s12*s123*s234*s24*z3) - 
   (2*s1234*s14*s34*z1)/(s123*s13*s234*s24*z3) - 
   (3*s1234*s23*s34*z1)/(s123*s13*s234*s24*z3) - 
   (2*s1234*s34^2*z1)/(s123*s13*s234*s24*z3) + 
   (8*s1234*z1^2)/(s123^2*z2*z3) - (8*s1234*z1^2)/(s12*s123*z2*z3) + 
   (2*s1234*z1^2)/(s12*s13*z2*z3) + (4*s12*s1234*z1^2)/(s123^2*s13*z2*z3) - 
   (8*s1234*z1^2)/(s123*s13*z2*z3) + (4*s1234*s13*z1^2)/(s12*s123^2*z2*z3) + 
   (6*s1234*s23*z1^2)/(s12*s123^2*z2*z3) + (6*s1234*s23*z1^2)/
    (s123^2*s13*z2*z3) - (4*s1234*s23*z1^2)/(s12*s123*s13*z2*z3) + 
   (2*s1234*s23^2*z1^2)/(s12*s123^2*s13*z2*z3) + 
   (2*s1234*s23*z1^2)/(s12*s123*s234*z2*z3) + (2*s1234*s23*z1^2)/
    (s123*s13*s234*z2*z3) + (2*s1234*s24*z1^2)/(s12*s123*s234*z2*z3) + 
   (2*s1234*s24*z1^2)/(s123*s13*s234*z2*z3) + (2*s1234*s34*z1^2)/
    (s12*s123*s234*z2*z3) + (2*s1234*s34*z1^2)/(s123*s13*s234*z2*z3) - 
   (4*s1234*z2)/(s123^2*z3) + (D*s1234*z2)/(s123^2*z3) + 
   (4*s1234*z2)/(s12*s123*z3) - (D*s1234*z2)/(s12*s123*z3) - 
   (4*s1234*s13*z2)/(s12*s123^2*z3) + (D*s1234*s13*z2)/(s12*s123^2*z3) - 
   (4*s1234*s23*z2)/(s12*s123^2*z3) + (D*s1234*s23*z2)/(s12*s123^2*z3) + 
   (5*s1234*z2)/(s123*s234*z3) - (D*s1234*z2)/(s123*s234*z3) - 
   (s1234*s14*z2)/(s12*s123*s234*z3) + (s1234*s14*z2)/(s123*s13*s234*z3) - 
   (5*s1234*z2)/(s123*s24*z3) + (D*s1234*z2)/(s123*s24*z3) + 
   (2*s1234*s14*z2)/(s12*s123*s24*z3) - (s1234*s14*z2)/(s12*s13*s24*z3) + 
   (s1234*s14*s23*z2)/(s12*s123*s13*s24*z3) - 
   (s1234*s14*z2)/(s123*s234*s24*z3) - (s1234*s13*s14*z2)/
    (s12*s123*s234*s24*z3) + (5*s1234*s23*z2)/(s123*s234*s24*z3) - 
   (D*s1234*s23*z2)/(s123*s234*s24*z3) - (2*s1234*s14*s23*z2)/
    (s12*s123*s234*s24*z3) + (s1234*s14*s23*z2)/(s123*s13*s234*s24*z3) - 
   (s1234*s13*z2)/(s12*s234*s34*z3) + (s1234*s13*z2)/(s123*s234*s34*z3) + 
   (s1234*s13^2*z2)/(s12*s123*s234*s34*z3) - 
   (s1234*s14*z2)/(s123*s234*s34*z3) - (s1234*s13*s14*z2)/
    (s12*s123*s234*s34*z3) + (s1234*s13*s23*z2)/(s12*s123*s234*s34*z3) - 
   (s1234*s14*s23*z2)/(s12*s123*s234*s34*z3) + 
   (s1234*s14*z2)/(s12*s24*s34*z3) - (s1234*s14*s23*z2)/
    (s12*s234*s24*s34*z3) + (5*s1234*s34*z2)/(s123*s234*s24*z3) - 
   (D*s1234*s34*z2)/(s123*s234*s24*z3) - (s1234*s14*s34*z2)/
    (s12*s123*s234*s24*z3) + (s1234*s14*s34*z2)/(s123*s13*s234*s24*z3) - 
   (2*s1234*z3)/(s123^2*z2) + (D*s1234*z3)/(s123^2*z2) - 
   (2*s12*s1234*z3)/(s123^2*s13*z2) + (D*s12*s1234*z3)/(s123^2*s13*z2) + 
   (2*s1234*z3)/(s123*s13*z2) - (D*s1234*z3)/(s123*s13*z2) - 
   (2*s1234*s23*z3)/(s123^2*s13*z2) + (D*s1234*s23*z3)/(s123^2*s13*z2) + 
   (2*s1234*z3)/(s123*s234*z2) - (D*s1234*z3)/(2*s123*s234*z2) - 
   (2*s12*s1234*z3)/(s123*s13*s234*z2) + (D*s12*s1234*z3)/
    (2*s123*s13*s234*z2) - (2*s1234*s14*z3)/(s123*s13*s234*z2) - 
   (2*s12*s1234*z3)/(s123*s234*s24*z2) + (D*s12*s1234*z3)/
    (2*s123*s234*s24*z2) - (2*s12^2*s1234*z3)/(s123*s13*s234*s24*z2) + 
   (D*s12^2*s1234*z3)/(2*s123*s13*s234*s24*z2) - 
   (2*s12*s1234*s23*z3)/(s123*s13*s234*s24*z2) + 
   (D*s12*s1234*s23*z3)/(2*s123*s13*s234*s24*z2) - 
   (2*s1234*z3)/(s13*s34*z2) + (D*s1234*z3)/(2*s13*s34*z2) + 
   (4*s12*s1234*z3)/(s123*s13*s34*z2) - (D*s12*s1234*z3)/(s123*s13*s34*z2) + 
   (2*s1234*s14*z3)/(s123*s13*s34*z2) + (2*s1234*s23*z3)/(s123*s13*s34*z2) - 
   (D*s1234*s23*z3)/(2*s123*s13*s34*z2) - (4*s1234*z3)/(s234*s34*z2) + 
   (D*s1234*z3)/(s234*s34*z2) + (6*s12*s1234*z3)/(s123*s234*s34*z2) - 
   (3*D*s12*s1234*z3)/(2*s123*s234*s34*z2) - (4*s12*s1234*z3)/
    (s13*s234*s34*z2) + (D*s12*s1234*z3)/(s13*s234*s34*z2) + 
   (2*s12^2*s1234*z3)/(s123*s13*s234*s34*z2) - 
   (D*s12^2*s1234*z3)/(2*s123*s13*s234*s34*z2) + 
   (4*s1234*s13*z3)/(s123*s234*s34*z2) - (D*s1234*s13*z3)/
    (s123*s234*s34*z2) - (2*s1234*s14*z3)/(s123*s234*s34*z2) + 
   (2*s1234*s14*z3)/(s13*s234*s34*z2) - (2*s12*s1234*s14*z3)/
    (s123*s13*s234*s34*z2) + (6*s1234*s23*z3)/(s123*s234*s34*z2) - 
   (3*D*s1234*s23*z3)/(2*s123*s234*s34*z2) - (4*s1234*s14*s23*z3)/
    (s123*s13*s234*s34*z2) + (2*s12*s1234*z3)/(s13*s24*s34*z2) - 
   (D*s12*s1234*z3)/(2*s13*s24*s34*z2) - (2*s12*s1234*s23*z3)/
    (s13*s234*s24*s34*z2) + (D*s12*s1234*s23*z3)/(2*s13*s234*s24*s34*z2) + 
   (2*s1234*s24*z3)/(s123*s234*s34*z2) - (D*s1234*s24*z3)/
    (2*s123*s234*s34*z2) - (2*s12*s1234*s24*z3)/(s123*s13*s234*s34*z2) + 
   (D*s12*s1234*s24*z3)/(2*s123*s13*s234*s34*z2) - 
   (2*s1234*s14*s24*z3)/(s123*s13*s234*s34*z2) + (s1234*z4)/(s123*s234*z2) - 
   (s12*s1234*z4)/(s123*s13*s234*z2) + (4*s1234*z4)/(s123*s24*z2) - 
   (2*D*s1234*z4)/(s123*s24*z2) - (4*s1234*z4)/(s13*s24*z2) + 
   (2*D*s1234*z4)/(s13*s24*z2) + (4*s12*s1234*z4)/(s123*s13*s24*z2) - 
   (2*D*s12*s1234*z4)/(s123*s13*s24*z2) + (4*s1234*s23*z4)/
    (s123*s13*s24*z2) - (2*D*s1234*s23*z4)/(s123*s13*s24*z2) - 
   (8*s1234*z4)/(s234*s24*z2) + (2*D*s1234*z4)/(s234*s24*z2) + 
   (s12*s1234*z4)/(s123*s234*s24*z2) - (D*s12*s1234*z4)/(s123*s234*s24*z2) + 
   (2*s12*s1234*z4)/(s13*s234*s24*z2) - (3*s12^2*s1234*z4)/
    (s123*s13*s234*s24*z2) + (4*s1234*s13*z4)/(s123*s234*s24*z2) - 
   (D*s1234*s13*z4)/(s123*s234*s24*z2) - (2*s1234*s14*z4)/
    (s123*s234*s24*z2) + (4*s1234*s14*z4)/(s13*s234*s24*z2) - 
   (2*s12*s1234*s14*z4)/(s123*s13*s234*s24*z2) + 
   (4*s1234*s23*z4)/(s123*s234*s24*z2) - (D*s1234*s23*z4)/
    (s123*s234*s24*z2) - (3*s12*s1234*s23*z4)/(s123*s13*s234*s24*z2) - 
   (2*s1234*s14*s23*z4)/(s123*s13*s234*s24*z2) - (2*s1234*z4)/(s123*s34*z2) + 
   (s1234*z4)/(s13*s34*z2) - (s1234*s23*z4)/(s123*s13*s34*z2) - 
   (8*s1234*z4)/(s234*s34*z2) + (2*D*s1234*z4)/(s234*s34*z2) + 
   (3*s12*s1234*z4)/(s123*s234*s34*z2) - (D*s12*s1234*z4)/
    (s123*s234*s34*z2) - (s12^2*s1234*z4)/(s123*s13*s234*s34*z2) + 
   (4*s1234*s13*z4)/(s123*s234*s34*z2) - (D*s1234*s13*z4)/
    (s123*s234*s34*z2) - (2*s1234*s14*z4)/(s123*s234*s34*z2) + 
   (4*s1234*s14*z4)/(s13*s234*s34*z2) - (2*s12*s1234*s14*z4)/
    (s123*s13*s234*s34*z2) + (5*s1234*s23*z4)/(s123*s234*s34*z2) - 
   (D*s1234*s23*z4)/(s123*s234*s34*z2) - (2*s12*s1234*s23*z4)/
    (s123*s13*s234*s34*z2) - (2*s1234*s14*s23*z4)/(s123*s13*s234*s34*z2) + 
   (4*s1234*z4)/(s24*s34*z2) - (D*s1234*z4)/(s24*s34*z2) + 
   (s12*s1234*z4)/(s13*s24*s34*z2) - (2*s1234*s14*z4)/(s13*s24*s34*z2) - 
   (4*s1234*s23*z4)/(s234*s24*s34*z2) + (D*s1234*s23*z4)/(s234*s24*s34*z2) - 
   (s12*s1234*s23*z4)/(s13*s234*s24*s34*z2) + (2*s1234*s14*s23*z4)/
    (s13*s234*s24*s34*z2) + (s1234*s24*z4)/(s123*s234*s34*z2) - 
   (s12*s1234*s24*z4)/(s123*s13*s234*s34*z2) + (s1234*z4)/(s123*s234*z3) - 
   (s12*s1234*z4)/(s123*s13*s234*z3) - (2*s1234*z4)/(s123*s24*z3) + 
   (s1234*z4)/(s13*s24*z3) - (s1234*s23*z4)/(s123*s13*s24*z3) - 
   (2*s1234*z4)/(s234*s24*z3) + (s12*s1234*z4)/(s123*s234*s24*z3) + 
   (s1234*s13*z4)/(s123*s234*s24*z3) + (2*s1234*s23*z4)/(s123*s234*s24*z3) - 
   (s12*s1234*s23*z4)/(s123*s13*s234*s24*z3) - (4*s1234*z4)/(s234*s34*z3) + 
   (3*s12*s1234*z4)/(s123*s234*s34*z3) + (3*s1234*s13*z4)/
    (s123*s234*s34*z3) + (3*s1234*s23*z4)/(s123*s234*s34*z3) + 
   (s1234*z4)/(s24*s34*z3) - (s1234*s23*z4)/(s234*s24*s34*z3) + 
   (s1234*s34*z4)/(s123*s234*s24*z3) - (s12*s1234*s34*z4)/
    (s123*s13*s234*s24*z3) + (2*s1234*z1*z4)/(s123*s234*z2*z3) - 
   (4*s1234*z1*z4)/(s13*s234*z2*z3) + (2*s12*s1234*z1*z4)/
    (s123*s13*s234*z2*z3) + (2*s1234*s23*z1*z4)/(s123*s13*s234*z2*z3) - 
   (4*s1234*z1*z4)/(s123*s24*z2*z3) + (6*s1234*z1*z4)/(s13*s24*z2*z3) - 
   (4*s12*s1234*z1*z4)/(s123*s13*s24*z2*z3) - (4*s1234*s23*z1*z4)/
    (s123*s13*s24*z2*z3) + (2*s1234*s23*z1*z4)/(s123*s234*s24*z2*z3) - 
   (4*s1234*s23*z1*z4)/(s13*s234*s24*z2*z3) + (2*s12*s1234*s23*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (2*s1234*s23^2*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (2*s1234*s34*z1*z4)/(s123*s234*s24*z2*z3) - 
   (4*s1234*s34*z1*z4)/(s13*s234*s24*z2*z3) + (2*s12*s1234*s34*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (2*s1234*s23*s34*z1*z4)/
    (s123*s13*s234*s24*z2*z3)) + 
 k2k3*((20*s1234)/(s12*s123) - (9*D*s1234)/(s12*s123) + 
   (D^2*s1234)/(s12*s123) + (20*s1234)/(s123*s13) - (9*D*s1234)/(s123*s13) + 
   (D^2*s1234)/(s123*s13) + (20*s1234)/(s123*s234) - 
   (8*D*s1234)/(s123*s234) + (D^2*s1234)/(s123*s234) + 
   (12*s12*s1234)/(s123*s13*s234) - (5*D*s12*s1234)/(s123*s13*s234) + 
   (D^2*s12*s1234)/(2*s123*s13*s234) + (12*s1234*s13)/(s12*s123*s234) - 
   (5*D*s1234*s13)/(s12*s123*s234) + (D^2*s1234*s13)/(2*s12*s123*s234) - 
   (3*s1234*s14)/(s12*s123*s234) + (D*s1234*s14)/(s12*s123*s234) - 
   (3*s1234*s14)/(s123*s13*s234) + (D*s1234*s14)/(s123*s13*s234) + 
   (10*s1234)/(s13*s24) - (4*D*s1234)/(s13*s24) + (D^2*s1234)/(2*s13*s24) - 
   (2*s1234*s14)/(s12*s123*s24) + (D*s1234*s14)/(s12*s123*s24) - 
   (11*s1234*s14)/(s123*s13*s24) + (3*D*s1234*s14)/(s123*s13*s24) - 
   (16*s1234*s14*s23)/(s12*s123*s13*s24) + (6*D*s1234*s14*s23)/
    (s12*s123*s13*s24) - (D^2*s1234*s14*s23)/(2*s12*s123*s13*s24) + 
   (20*s1234)/(s234*s24) - (9*D*s1234)/(s234*s24) + (D^2*s1234)/(s234*s24) + 
   (2*s12*s1234)/(s13*s234*s24) - (2*s1234*s14)/(s12*s234*s24) + 
   (D*s1234*s14)/(s12*s234*s24) - (3*s1234*s14)/(s123*s234*s24) + 
   (D*s1234*s14)/(s123*s234*s24) - (11*s1234*s14)/(s13*s234*s24) + 
   (3*D*s1234*s14)/(s13*s234*s24) + (s12*s1234*s14)/(s123*s13*s234*s24) - 
   (4*s1234*s13*s14)/(s12*s123*s234*s24) + (D*s1234*s13*s14)/
    (s12*s123*s234*s24) - (20*s1234*s14*s23)/(s12*s123*s234*s24) + 
   (7*D*s1234*s14*s23)/(s12*s123*s234*s24) - (D^2*s1234*s14*s23)/
    (2*s12*s123*s234*s24) - (8*s1234*s14*s23)/(s123*s13*s234*s24) + 
   (4*D*s1234*s14*s23)/(s123*s13*s234*s24) - (D^2*s1234*s14*s23)/
    (2*s123*s13*s234*s24) + (10*s1234)/(s12*s34) - (4*D*s1234)/(s12*s34) + 
   (D^2*s1234)/(2*s12*s34) - (11*s1234*s14)/(s12*s123*s34) + 
   (3*D*s1234*s14)/(s12*s123*s34) - (2*s1234*s14)/(s123*s13*s34) + 
   (D*s1234*s14)/(s123*s13*s34) - (16*s1234*s14*s23)/(s12*s123*s13*s34) + 
   (6*D*s1234*s14*s23)/(s12*s123*s13*s34) - (D^2*s1234*s14*s23)/
    (2*s12*s123*s13*s34) + (20*s1234)/(s234*s34) - (9*D*s1234)/(s234*s34) + 
   (D^2*s1234)/(s234*s34) + (2*s1234*s13)/(s12*s234*s34) - 
   (11*s1234*s14)/(s12*s234*s34) + (3*D*s1234*s14)/(s12*s234*s34) - 
   (3*s1234*s14)/(s123*s234*s34) + (D*s1234*s14)/(s123*s234*s34) - 
   (2*s1234*s14)/(s13*s234*s34) + (D*s1234*s14)/(s13*s234*s34) - 
   (4*s12*s1234*s14)/(s123*s13*s234*s34) + (D*s12*s1234*s14)/
    (s123*s13*s234*s34) + (s1234*s13*s14)/(s12*s123*s234*s34) - 
   (8*s1234*s14*s23)/(s12*s123*s234*s34) + (4*D*s1234*s14*s23)/
    (s12*s123*s234*s34) - (D^2*s1234*s14*s23)/(2*s12*s123*s234*s34) - 
   (20*s1234*s14*s23)/(s123*s13*s234*s34) + (7*D*s1234*s14*s23)/
    (s123*s13*s234*s34) - (D^2*s1234*s14*s23)/(2*s123*s13*s234*s34) + 
   (4*s1234*s14^2)/(s12*s13*s24*s34) - (20*s1234*s14*s23)/(s12*s13*s24*s34) + 
   (7*D*s1234*s14*s23)/(s12*s13*s24*s34) - (D^2*s1234*s14*s23)/
    (2*s12*s13*s24*s34) - (16*s1234*s14*s23)/(s12*s234*s24*s34) + 
   (6*D*s1234*s14*s23)/(s12*s234*s24*s34) - (D^2*s1234*s14*s23)/
    (2*s12*s234*s24*s34) - (16*s1234*s14*s23)/(s13*s234*s24*s34) + 
   (6*D*s1234*s14*s23)/(s13*s234*s24*s34) - (D^2*s1234*s14*s23)/
    (2*s13*s234*s24*s34) + (2*s1234*s24)/(s12*s123*s34) + 
   (12*s1234*s24)/(s123*s234*s34) - (5*D*s1234*s24)/(s123*s234*s34) + 
   (D^2*s1234*s24)/(2*s123*s234*s34) + (10*s1234*s13*s24)/
    (s12*s123*s234*s34) - (4*D*s1234*s13*s24)/(s12*s123*s234*s34) + 
   (D^2*s1234*s13*s24)/(2*s12*s123*s234*s34) + 
   (s1234*s14*s24)/(s12*s123*s234*s34) - (4*s1234*s14*s24)/
    (s123*s13*s234*s34) + (D*s1234*s14*s24)/(s123*s13*s234*s34) + 
   (2*s1234*s34)/(s123*s13*s24) + (12*s1234*s34)/(s123*s234*s24) - 
   (5*D*s1234*s34)/(s123*s234*s24) + (D^2*s1234*s34)/(2*s123*s234*s24) + 
   (10*s12*s1234*s34)/(s123*s13*s234*s24) - (4*D*s12*s1234*s34)/
    (s123*s13*s234*s24) + (D^2*s12*s1234*s34)/(2*s123*s13*s234*s24) - 
   (4*s1234*s14*s34)/(s12*s123*s234*s24) + (D*s1234*s14*s34)/
    (s12*s123*s234*s24) + (s1234*s14*s34)/(s123*s13*s234*s24) - 
   (4*s1234*z1)/(s12*s123*z2) + (D*s1234*z1)/(s12*s123*z2) + 
   (2*s1234*z1)/(s12*s13*z2) - (D*s1234*z1)/(2*s12*s13*z2) - 
   (4*s1234*z1)/(s123*s13*z2) + (D*s1234*z1)/(s123*s13*z2) - 
   (2*s1234*s23*z1)/(s12*s123*s13*z2) + (D*s1234*s23*z1)/
    (2*s12*s123*s13*z2) + (2*s1234*z1)/(s12*s234*z2) - 
   (D*s1234*z1)/(s12*s234*z2) - (3*s1234*z1)/(s123*s234*z2) + 
   (D*s1234*z1)/(2*s123*s234*z2) + (s1234*z1)/(s13*s234*z2) - 
   (3*s12*s1234*z1)/(s123*s13*s234*z2) + (D*s12*s1234*z1)/
    (2*s123*s13*s234*z2) + (2*s1234*s23*z1)/(s12*s123*s234*z2) - 
   (D*s1234*s23*z1)/(2*s12*s123*s234*z2) - 
   (s1234*s23*z1)/(s123*s13*s234*z2) + (2*s1234*z1)/(s13*s24*z2) - 
   (D*s1234*z1)/(2*s13*s24*z2) - (2*s1234*s23*z1)/(s13*s234*s24*z2) + 
   (D*s1234*s23*z1)/(2*s13*s234*s24*z2) + (s1234*s24*z1)/(s12*s123*s234*z2) - 
   (D*s1234*s24*z1)/(2*s12*s123*s234*z2) + (2*s1234*s24*z1)/
    (s123*s13*s234*z2) - (D*s1234*s24*z1)/(2*s123*s13*s234*z2) - 
   (2*s1234*z1)/(s12*s34*z2) + (D*s1234*z1)/(s12*s34*z2) + 
   (2*s1234*s14*z1)/(s12*s123*s34*z2) - (2*s1234*s14*z1)/(s12*s13*s34*z2) + 
   (2*s1234*s14*z1)/(s123*s13*s34*z2) + (2*s1234*s14*s23*z1)/
    (s12*s123*s13*s34*z2) + (2*s1234*s23*z1)/(s12*s234*s34*z2) - 
   (D*s1234*s23*z1)/(s12*s234*s34*z2) + (s1234*s24*z1)/(s12*s123*s34*z2) + 
   (2*s1234*s24*z1)/(s12*s234*s34*z2) - (D*s1234*s24*z1)/(s12*s234*s34*z2) - 
   (s1234*s23*s24*z1)/(s12*s123*s234*s34*z2) - 
   (s1234*s24^2*z1)/(s12*s123*s234*s34*z2) + (2*s1234*s34*z1)/
    (s12*s123*s234*z2) - (D*s1234*s34*z1)/(2*s12*s123*s234*z2) + 
   (2*s1234*s34*z1)/(s123*s13*s234*z2) - (D*s1234*s34*z1)/
    (2*s123*s13*s234*z2) - (2*s1234*s34*z1)/(s123*s234*s24*z2) + 
   (D*s1234*s34*z1)/(2*s123*s234*s24*z2) - (2*s12*s1234*s34*z1)/
    (s123*s13*s234*s24*z2) + (D*s12*s1234*s34*z1)/(2*s123*s13*s234*s24*z2) - 
   (2*s1234*s23*s34*z1)/(s123*s13*s234*s24*z2) + 
   (D*s1234*s23*s34*z1)/(2*s123*s13*s234*s24*z2) - 
   (4*s1234*z1)/(s12*s123*z3) + (D*s1234*z1)/(s12*s123*z3) + 
   (2*s1234*z1)/(s12*s13*z3) - (D*s1234*z1)/(2*s12*s13*z3) - 
   (4*s1234*z1)/(s123*s13*z3) + (D*s1234*z1)/(s123*s13*z3) - 
   (2*s1234*s23*z1)/(s12*s123*s13*z3) + (D*s1234*s23*z1)/
    (2*s12*s123*s13*z3) + (s1234*z1)/(s12*s234*z3) - 
   (3*s1234*z1)/(s123*s234*z3) + (D*s1234*z1)/(2*s123*s234*z3) + 
   (2*s1234*z1)/(s13*s234*z3) - (D*s1234*z1)/(s13*s234*z3) - 
   (3*s1234*s13*z1)/(s12*s123*s234*z3) + (D*s1234*s13*z1)/
    (2*s12*s123*s234*z3) - (s1234*s23*z1)/(s12*s123*s234*z3) + 
   (2*s1234*s23*z1)/(s123*s13*s234*z3) - (D*s1234*s23*z1)/
    (2*s123*s13*s234*z3) - (2*s1234*z1)/(s13*s24*z3) + 
   (D*s1234*z1)/(s13*s24*z3) + (2*s1234*s14*z1)/(s12*s123*s24*z3) - 
   (2*s1234*s14*z1)/(s12*s13*s24*z3) + (2*s1234*s14*z1)/(s123*s13*s24*z3) + 
   (2*s1234*s14*s23*z1)/(s12*s123*s13*s24*z3) + 
   (2*s1234*s23*z1)/(s13*s234*s24*z3) - (D*s1234*s23*z1)/(s13*s234*s24*z3) + 
   (2*s1234*s24*z1)/(s12*s123*s234*z3) - (D*s1234*s24*z1)/
    (2*s12*s123*s234*z3) + (2*s1234*s24*z1)/(s123*s13*s234*z3) - 
   (D*s1234*s24*z1)/(2*s123*s13*s234*z3) + (2*s1234*z1)/(s12*s34*z3) - 
   (D*s1234*z1)/(2*s12*s34*z3) - (2*s1234*s23*z1)/(s12*s234*s34*z3) + 
   (D*s1234*s23*z1)/(2*s12*s234*s34*z3) - (2*s1234*s24*z1)/
    (s123*s234*s34*z3) + (D*s1234*s24*z1)/(2*s123*s234*s34*z3) - 
   (2*s1234*s13*s24*z1)/(s12*s123*s234*s34*z3) + 
   (D*s1234*s13*s24*z1)/(2*s12*s123*s234*s34*z3) - 
   (2*s1234*s23*s24*z1)/(s12*s123*s234*s34*z3) + 
   (D*s1234*s23*s24*z1)/(2*s12*s123*s234*s34*z3) + 
   (2*s1234*s34*z1)/(s12*s123*s234*z3) - (D*s1234*s34*z1)/
    (2*s12*s123*s234*z3) + (s1234*s34*z1)/(s123*s13*s234*z3) - 
   (D*s1234*s34*z1)/(2*s123*s13*s234*z3) + (s1234*s34*z1)/(s123*s13*s24*z3) + 
   (2*s1234*s34*z1)/(s13*s234*s24*z3) - (D*s1234*s34*z1)/(s13*s234*s24*z3) - 
   (s1234*s23*s34*z1)/(s123*s13*s234*s24*z3) - 
   (s1234*s34^2*z1)/(s123*s13*s234*s24*z3) - (2*s1234*s14*z2)/
    (s12*s123*s234*z3) + (D*s1234*s14*z2)/(2*s12*s123*s234*z3) + 
   (2*s1234*s14*z2)/(s123*s13*s234*z3) - (D*s1234*s14*z2)/
    (2*s123*s13*s234*z3) + (4*s1234*s14*z2)/(s12*s123*s24*z3) - 
   (D*s1234*s14*z2)/(s12*s123*s24*z3) - (2*s1234*s14*z2)/(s12*s13*s24*z3) + 
   (D*s1234*s14*z2)/(2*s12*s13*s24*z3) + (2*s1234*s14*s23*z2)/
    (s12*s123*s13*s24*z3) - (D*s1234*s14*s23*z2)/(2*s12*s123*s13*s24*z3) + 
   (4*s1234*s14*z2)/(s12*s234*s24*z3) - (D*s1234*s14*z2)/(s12*s234*s24*z3) - 
   (2*s1234*s14*z2)/(s123*s234*s24*z3) + (D*s1234*s14*z2)/
    (2*s123*s234*s24*z3) - (2*s1234*s13*s14*z2)/(s12*s123*s234*s24*z3) + 
   (D*s1234*s13*s14*z2)/(2*s12*s123*s234*s24*z3) - 
   (4*s1234*s14*s23*z2)/(s12*s123*s234*s24*z3) + 
   (D*s1234*s14*s23*z2)/(s12*s123*s234*s24*z3) + 
   (2*s1234*s14*s23*z2)/(s123*s13*s234*s24*z3) - 
   (D*s1234*s14*s23*z2)/(2*s123*s13*s234*s24*z3) + 
   (2*s1234*s14*z2)/(s123*s234*s34*z3) - (D*s1234*s14*z2)/
    (2*s123*s234*s34*z3) + (2*s1234*s13*s14*z2)/(s12*s123*s234*s34*z3) - 
   (D*s1234*s13*s14*z2)/(2*s12*s123*s234*s34*z3) + 
   (2*s1234*s14*s23*z2)/(s12*s123*s234*s34*z3) - 
   (D*s1234*s14*s23*z2)/(2*s12*s123*s234*s34*z3) - 
   (2*s1234*s14*z2)/(s12*s24*s34*z3) + (D*s1234*s14*z2)/(2*s12*s24*s34*z3) + 
   (2*s1234*s14*s23*z2)/(s12*s234*s24*s34*z3) - 
   (D*s1234*s14*s23*z2)/(2*s12*s234*s24*s34*z3) - 
   (2*s1234*s14*s34*z2)/(s12*s123*s234*s24*z3) + 
   (D*s1234*s14*s34*z2)/(2*s12*s123*s234*s24*z3) + 
   (2*s1234*s14*s34*z2)/(s123*s13*s234*s24*z3) - 
   (D*s1234*s14*s34*z2)/(2*s123*s13*s234*s24*z3) + 
   (2*s1234*s14*z3)/(s12*s123*s234*z2) - (D*s1234*s14*z3)/
    (2*s12*s123*s234*z2) - (2*s1234*s14*z3)/(s123*s13*s234*z2) + 
   (D*s1234*s14*z3)/(2*s123*s13*s234*z2) + (2*s1234*s14*z3)/
    (s123*s234*s24*z2) - (D*s1234*s14*z3)/(2*s123*s234*s24*z2) + 
   (2*s12*s1234*s14*z3)/(s123*s13*s234*s24*z2) - 
   (D*s12*s1234*s14*z3)/(2*s123*s13*s234*s24*z2) + 
   (2*s1234*s14*s23*z3)/(s123*s13*s234*s24*z2) - 
   (D*s1234*s14*s23*z3)/(2*s123*s13*s234*s24*z2) - 
   (2*s1234*s14*z3)/(s12*s13*s34*z2) + (D*s1234*s14*z3)/(2*s12*s13*s34*z2) + 
   (4*s1234*s14*z3)/(s123*s13*s34*z2) - (D*s1234*s14*z3)/(s123*s13*s34*z2) + 
   (2*s1234*s14*s23*z3)/(s12*s123*s13*s34*z2) - 
   (D*s1234*s14*s23*z3)/(2*s12*s123*s13*s34*z2) - 
   (2*s1234*s14*z3)/(s123*s234*s34*z2) + (D*s1234*s14*z3)/
    (2*s123*s234*s34*z2) + (4*s1234*s14*z3)/(s13*s234*s34*z2) - 
   (D*s1234*s14*z3)/(s13*s234*s34*z2) - (2*s12*s1234*s14*z3)/
    (s123*s13*s234*s34*z2) + (D*s12*s1234*s14*z3)/(2*s123*s13*s234*s34*z2) + 
   (2*s1234*s14*s23*z3)/(s12*s123*s234*s34*z2) - 
   (D*s1234*s14*s23*z3)/(2*s12*s123*s234*s34*z2) - 
   (4*s1234*s14*s23*z3)/(s123*s13*s234*s34*z2) + 
   (D*s1234*s14*s23*z3)/(s123*s13*s234*s34*z2) - 
   (2*s1234*s14*z3)/(s13*s24*s34*z2) + (D*s1234*s14*z3)/(2*s13*s24*s34*z2) + 
   (2*s1234*s14*s23*z3)/(s13*s234*s24*s34*z2) - 
   (D*s1234*s14*s23*z3)/(2*s13*s234*s24*s34*z2) + 
   (2*s1234*s14*s24*z3)/(s12*s123*s234*s34*z2) - 
   (D*s1234*s14*s24*z3)/(2*s12*s123*s234*s34*z2) - 
   (2*s1234*s14*s24*z3)/(s123*s13*s234*s34*z2) + 
   (D*s1234*s14*s24*z3)/(2*s123*s13*s234*s34*z2) - 
   (3*s1234*z4)/(s123*s234*z2) + (D*s1234*z4)/(2*s123*s234*z2) - 
   (2*s1234*s13*z4)/(s12*s123*s234*z2) + (D*s1234*s13*z4)/
    (2*s12*s123*s234*z2) + (2*s1234*z4)/(s123*s24*z2) - 
   (D*s1234*z4)/(s123*s24*z2) - (2*s1234*z4)/(s13*s24*z2) + 
   (D*s1234*z4)/(s13*s24*z2) + (2*s12*s1234*z4)/(s123*s13*s24*z2) - 
   (D*s12*s1234*z4)/(s123*s13*s24*z2) + (2*s1234*s23*z4)/(s123*s13*s24*z2) - 
   (D*s1234*s23*z4)/(s123*s13*s24*z2) - (4*s1234*z4)/(s234*s24*z2) + 
   (D*s1234*z4)/(s234*s24*z2) + (s12*s1234*z4)/(s123*s234*s24*z2) - 
   (D*s12*s1234*z4)/(2*s123*s234*s24*z2) + (s12*s1234*z4)/(s13*s234*s24*z2) - 
   (s12^2*s1234*z4)/(s123*s13*s234*s24*z2) + (2*s1234*s13*z4)/
    (s123*s234*s24*z2) - (D*s1234*s13*z4)/(2*s123*s234*s24*z2) + 
   (2*s1234*s14*z4)/(s13*s234*s24*z2) + (2*s1234*s23*z4)/(s123*s234*s24*z2) - 
   (D*s1234*s23*z4)/(2*s123*s234*s24*z2) - (s12*s1234*s23*z4)/
    (s123*s13*s234*s24*z2) + (2*s1234*z4)/(s12*s34*z2) - 
   (D*s1234*z4)/(2*s12*s34*z2) + (s1234*z4)/(s123*s34*z2) - 
   (2*s1234*s23*z4)/(s12*s123*s34*z2) + (D*s1234*s23*z4)/
    (2*s12*s123*s34*z2) - (4*s1234*z4)/(s234*s34*z2) + 
   (D*s1234*z4)/(s234*s34*z2) + (2*s12*s1234*z4)/(s123*s234*s34*z2) - 
   (D*s12*s1234*z4)/(2*s123*s234*s34*z2) + (2*s1234*s13*z4)/
    (s123*s234*s34*z2) - (D*s1234*s13*z4)/(2*s123*s234*s34*z2) + 
   (2*s1234*s14*z4)/(s13*s234*s34*z2) - (s1234*s23*z4)/(s123*s234*s34*z2) - 
   (2*s1234*s13*s23*z4)/(s12*s123*s234*s34*z2) + 
   (D*s1234*s13*s23*z4)/(2*s12*s123*s234*s34*z2) + 
   (2*s1234*z4)/(s24*s34*z2) - (D*s1234*z4)/(2*s24*s34*z2) - 
   (2*s1234*s14*z4)/(s13*s24*s34*z2) - (2*s1234*s23*z4)/(s234*s24*s34*z2) + 
   (D*s1234*s23*z4)/(2*s234*s24*s34*z2) + (2*s1234*s14*s23*z4)/
    (s13*s234*s24*s34*z2) - (3*s1234*s24*z4)/(s123*s234*s34*z2) + 
   (D*s1234*s24*z4)/(2*s123*s234*s34*z2) - (2*s1234*s13*s24*z4)/
    (s12*s123*s234*s34*z2) + (D*s1234*s13*s24*z4)/(2*s12*s123*s234*s34*z2) - 
   (3*s1234*z4)/(s123*s234*z3) + (D*s1234*z4)/(2*s123*s234*z3) - 
   (2*s12*s1234*z4)/(s123*s13*s234*z3) + (D*s12*s1234*z4)/
    (2*s123*s13*s234*z3) + (s1234*z4)/(s123*s24*z3) + 
   (2*s1234*z4)/(s13*s24*z3) - (D*s1234*z4)/(2*s13*s24*z3) - 
   (2*s1234*s23*z4)/(s123*s13*s24*z3) + (D*s1234*s23*z4)/
    (2*s123*s13*s24*z3) - (4*s1234*z4)/(s234*s24*z3) + 
   (D*s1234*z4)/(s234*s24*z3) + (2*s12*s1234*z4)/(s123*s234*s24*z3) - 
   (D*s12*s1234*z4)/(2*s123*s234*s24*z3) + (2*s1234*s13*z4)/
    (s123*s234*s24*z3) - (D*s1234*s13*z4)/(2*s123*s234*s24*z3) + 
   (2*s1234*s14*z4)/(s12*s234*s24*z3) - (s1234*s23*z4)/(s123*s234*s24*z3) - 
   (2*s12*s1234*s23*z4)/(s123*s13*s234*s24*z3) + 
   (D*s12*s1234*s23*z4)/(2*s123*s13*s234*s24*z3) - 
   (2*s1234*z4)/(s12*s34*z3) + (D*s1234*z4)/(s12*s34*z3) + 
   (2*s1234*z4)/(s123*s34*z3) - (D*s1234*z4)/(s123*s34*z3) + 
   (2*s1234*s13*z4)/(s12*s123*s34*z3) - (D*s1234*s13*z4)/(s12*s123*s34*z3) + 
   (2*s1234*s23*z4)/(s12*s123*s34*z3) - (D*s1234*s23*z4)/(s12*s123*s34*z3) - 
   (4*s1234*z4)/(s234*s34*z3) + (D*s1234*z4)/(s234*s34*z3) + 
   (2*s12*s1234*z4)/(s123*s234*s34*z3) - (D*s12*s1234*z4)/
    (2*s123*s234*s34*z3) + (s1234*s13*z4)/(s12*s234*s34*z3) + 
   (s1234*s13*z4)/(s123*s234*s34*z3) - (D*s1234*s13*z4)/
    (2*s123*s234*s34*z3) - (s1234*s13^2*z4)/(s12*s123*s234*s34*z3) + 
   (2*s1234*s14*z4)/(s12*s234*s34*z3) + (2*s1234*s23*z4)/(s123*s234*s34*z3) - 
   (D*s1234*s23*z4)/(2*s123*s234*s34*z3) - (s1234*s13*s23*z4)/
    (s12*s123*s234*s34*z3) + (2*s1234*z4)/(s24*s34*z3) - 
   (D*s1234*z4)/(2*s24*s34*z3) - (2*s1234*s14*z4)/(s12*s24*s34*z3) - 
   (2*s1234*s23*z4)/(s234*s24*s34*z3) + (D*s1234*s23*z4)/
    (2*s234*s24*s34*z3) + (2*s1234*s14*s23*z4)/(s12*s234*s24*s34*z3) - 
   (3*s1234*s34*z4)/(s123*s234*s24*z3) + (D*s1234*s34*z4)/
    (2*s123*s234*s24*z3) - (2*s12*s1234*s34*z4)/(s123*s13*s234*s24*z3) + 
   (D*s12*s1234*s34*z4)/(2*s123*s13*s234*s24*z3) - 
   (2*s1234*z1*z4)/(s12*s234*z2*z3) + (4*s1234*z1*z4)/(s123*s234*z2*z3) - 
   (2*s1234*z1*z4)/(s13*s234*z2*z3) + (2*s12*s1234*z1*z4)/
    (s123*s13*s234*z2*z3) + (2*s1234*s13*z1*z4)/(s12*s123*s234*z2*z3) + 
   (2*s1234*s23*z1*z4)/(s12*s123*s234*z2*z3) + (2*s1234*s23*z1*z4)/
    (s123*s13*s234*z2*z3) - (2*s1234*z1*z4)/(s123*s24*z2*z3) + 
   (2*s1234*z1*z4)/(s13*s24*z2*z3) - (2*s12*s1234*z1*z4)/
    (s123*s13*s24*z2*z3) - (2*s1234*s23*z1*z4)/(s123*s13*s24*z2*z3) + 
   (2*s1234*s23*z1*z4)/(s123*s234*s24*z2*z3) - (2*s1234*s23*z1*z4)/
    (s13*s234*s24*z2*z3) + (2*s12*s1234*s23*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (2*s1234*s23^2*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (2*s1234*z1*z4)/(s12*s34*z2*z3) - 
   (2*s1234*z1*z4)/(s123*s34*z2*z3) - (2*s1234*s13*z1*z4)/
    (s12*s123*s34*z2*z3) - (2*s1234*s23*z1*z4)/(s12*s123*s34*z2*z3) - 
   (2*s1234*s23*z1*z4)/(s12*s234*s34*z2*z3) + (2*s1234*s23*z1*z4)/
    (s123*s234*s34*z2*z3) + (2*s1234*s13*s23*z1*z4)/
    (s12*s123*s234*s34*z2*z3) + (2*s1234*s23^2*z1*z4)/
    (s12*s123*s234*s34*z2*z3) - (2*s1234*s24*z1*z4)/(s12*s234*s34*z2*z3) + 
   (2*s1234*s24*z1*z4)/(s123*s234*s34*z2*z3) + (2*s1234*s13*s24*z1*z4)/
    (s12*s123*s234*s34*z2*z3) + (2*s1234*s23*s24*z1*z4)/
    (s12*s123*s234*s34*z2*z3) + (2*s1234*s34*z1*z4)/(s123*s234*s24*z2*z3) - 
   (2*s1234*s34*z1*z4)/(s13*s234*s24*z2*z3) + (2*s12*s1234*s34*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (2*s1234*s23*s34*z1*z4)/
    (s123*s13*s234*s24*z2*z3)) + 
 k3k2*((20*s1234)/(s12*s123) - (9*D*s1234)/(s12*s123) + 
   (D^2*s1234)/(s12*s123) + (20*s1234)/(s123*s13) - (9*D*s1234)/(s123*s13) + 
   (D^2*s1234)/(s123*s13) + (20*s1234)/(s123*s234) - 
   (8*D*s1234)/(s123*s234) + (D^2*s1234)/(s123*s234) + 
   (12*s12*s1234)/(s123*s13*s234) - (5*D*s12*s1234)/(s123*s13*s234) + 
   (D^2*s12*s1234)/(2*s123*s13*s234) + (12*s1234*s13)/(s12*s123*s234) - 
   (5*D*s1234*s13)/(s12*s123*s234) + (D^2*s1234*s13)/(2*s12*s123*s234) - 
   (3*s1234*s14)/(s12*s123*s234) + (D*s1234*s14)/(s12*s123*s234) - 
   (3*s1234*s14)/(s123*s13*s234) + (D*s1234*s14)/(s123*s13*s234) + 
   (10*s1234)/(s13*s24) - (4*D*s1234)/(s13*s24) + (D^2*s1234)/(2*s13*s24) - 
   (2*s1234*s14)/(s12*s123*s24) + (D*s1234*s14)/(s12*s123*s24) - 
   (11*s1234*s14)/(s123*s13*s24) + (3*D*s1234*s14)/(s123*s13*s24) - 
   (16*s1234*s14*s23)/(s12*s123*s13*s24) + (6*D*s1234*s14*s23)/
    (s12*s123*s13*s24) - (D^2*s1234*s14*s23)/(2*s12*s123*s13*s24) + 
   (20*s1234)/(s234*s24) - (9*D*s1234)/(s234*s24) + (D^2*s1234)/(s234*s24) + 
   (2*s12*s1234)/(s13*s234*s24) - (2*s1234*s14)/(s12*s234*s24) + 
   (D*s1234*s14)/(s12*s234*s24) - (3*s1234*s14)/(s123*s234*s24) + 
   (D*s1234*s14)/(s123*s234*s24) - (11*s1234*s14)/(s13*s234*s24) + 
   (3*D*s1234*s14)/(s13*s234*s24) + (s12*s1234*s14)/(s123*s13*s234*s24) - 
   (4*s1234*s13*s14)/(s12*s123*s234*s24) + (D*s1234*s13*s14)/
    (s12*s123*s234*s24) - (20*s1234*s14*s23)/(s12*s123*s234*s24) + 
   (7*D*s1234*s14*s23)/(s12*s123*s234*s24) - (D^2*s1234*s14*s23)/
    (2*s12*s123*s234*s24) - (8*s1234*s14*s23)/(s123*s13*s234*s24) + 
   (4*D*s1234*s14*s23)/(s123*s13*s234*s24) - (D^2*s1234*s14*s23)/
    (2*s123*s13*s234*s24) + (10*s1234)/(s12*s34) - (4*D*s1234)/(s12*s34) + 
   (D^2*s1234)/(2*s12*s34) - (11*s1234*s14)/(s12*s123*s34) + 
   (3*D*s1234*s14)/(s12*s123*s34) - (2*s1234*s14)/(s123*s13*s34) + 
   (D*s1234*s14)/(s123*s13*s34) - (16*s1234*s14*s23)/(s12*s123*s13*s34) + 
   (6*D*s1234*s14*s23)/(s12*s123*s13*s34) - (D^2*s1234*s14*s23)/
    (2*s12*s123*s13*s34) + (20*s1234)/(s234*s34) - (9*D*s1234)/(s234*s34) + 
   (D^2*s1234)/(s234*s34) + (2*s1234*s13)/(s12*s234*s34) - 
   (11*s1234*s14)/(s12*s234*s34) + (3*D*s1234*s14)/(s12*s234*s34) - 
   (3*s1234*s14)/(s123*s234*s34) + (D*s1234*s14)/(s123*s234*s34) - 
   (2*s1234*s14)/(s13*s234*s34) + (D*s1234*s14)/(s13*s234*s34) - 
   (4*s12*s1234*s14)/(s123*s13*s234*s34) + (D*s12*s1234*s14)/
    (s123*s13*s234*s34) + (s1234*s13*s14)/(s12*s123*s234*s34) - 
   (8*s1234*s14*s23)/(s12*s123*s234*s34) + (4*D*s1234*s14*s23)/
    (s12*s123*s234*s34) - (D^2*s1234*s14*s23)/(2*s12*s123*s234*s34) - 
   (20*s1234*s14*s23)/(s123*s13*s234*s34) + (7*D*s1234*s14*s23)/
    (s123*s13*s234*s34) - (D^2*s1234*s14*s23)/(2*s123*s13*s234*s34) + 
   (4*s1234*s14^2)/(s12*s13*s24*s34) - (20*s1234*s14*s23)/(s12*s13*s24*s34) + 
   (7*D*s1234*s14*s23)/(s12*s13*s24*s34) - (D^2*s1234*s14*s23)/
    (2*s12*s13*s24*s34) - (16*s1234*s14*s23)/(s12*s234*s24*s34) + 
   (6*D*s1234*s14*s23)/(s12*s234*s24*s34) - (D^2*s1234*s14*s23)/
    (2*s12*s234*s24*s34) - (16*s1234*s14*s23)/(s13*s234*s24*s34) + 
   (6*D*s1234*s14*s23)/(s13*s234*s24*s34) - (D^2*s1234*s14*s23)/
    (2*s13*s234*s24*s34) + (2*s1234*s24)/(s12*s123*s34) + 
   (12*s1234*s24)/(s123*s234*s34) - (5*D*s1234*s24)/(s123*s234*s34) + 
   (D^2*s1234*s24)/(2*s123*s234*s34) + (10*s1234*s13*s24)/
    (s12*s123*s234*s34) - (4*D*s1234*s13*s24)/(s12*s123*s234*s34) + 
   (D^2*s1234*s13*s24)/(2*s12*s123*s234*s34) + 
   (s1234*s14*s24)/(s12*s123*s234*s34) - (4*s1234*s14*s24)/
    (s123*s13*s234*s34) + (D*s1234*s14*s24)/(s123*s13*s234*s34) + 
   (2*s1234*s34)/(s123*s13*s24) + (12*s1234*s34)/(s123*s234*s24) - 
   (5*D*s1234*s34)/(s123*s234*s24) + (D^2*s1234*s34)/(2*s123*s234*s24) + 
   (10*s12*s1234*s34)/(s123*s13*s234*s24) - (4*D*s12*s1234*s34)/
    (s123*s13*s234*s24) + (D^2*s12*s1234*s34)/(2*s123*s13*s234*s24) - 
   (4*s1234*s14*s34)/(s12*s123*s234*s24) + (D*s1234*s14*s34)/
    (s12*s123*s234*s24) + (s1234*s14*s34)/(s123*s13*s234*s24) - 
   (4*s1234*z1)/(s12*s123*z2) + (D*s1234*z1)/(s12*s123*z2) + 
   (2*s1234*z1)/(s12*s13*z2) - (D*s1234*z1)/(2*s12*s13*z2) - 
   (4*s1234*z1)/(s123*s13*z2) + (D*s1234*z1)/(s123*s13*z2) - 
   (2*s1234*s23*z1)/(s12*s123*s13*z2) + (D*s1234*s23*z1)/
    (2*s12*s123*s13*z2) + (2*s1234*z1)/(s12*s234*z2) - 
   (D*s1234*z1)/(s12*s234*z2) - (3*s1234*z1)/(s123*s234*z2) + 
   (D*s1234*z1)/(2*s123*s234*z2) + (s1234*z1)/(s13*s234*z2) - 
   (3*s12*s1234*z1)/(s123*s13*s234*z2) + (D*s12*s1234*z1)/
    (2*s123*s13*s234*z2) + (2*s1234*s23*z1)/(s12*s123*s234*z2) - 
   (D*s1234*s23*z1)/(2*s12*s123*s234*z2) - 
   (s1234*s23*z1)/(s123*s13*s234*z2) + (2*s1234*z1)/(s13*s24*z2) - 
   (D*s1234*z1)/(2*s13*s24*z2) - (2*s1234*s23*z1)/(s13*s234*s24*z2) + 
   (D*s1234*s23*z1)/(2*s13*s234*s24*z2) + (s1234*s24*z1)/(s12*s123*s234*z2) - 
   (D*s1234*s24*z1)/(2*s12*s123*s234*z2) + (2*s1234*s24*z1)/
    (s123*s13*s234*z2) - (D*s1234*s24*z1)/(2*s123*s13*s234*z2) - 
   (2*s1234*z1)/(s12*s34*z2) + (D*s1234*z1)/(s12*s34*z2) + 
   (2*s1234*s14*z1)/(s12*s123*s34*z2) - (2*s1234*s14*z1)/(s12*s13*s34*z2) + 
   (2*s1234*s14*z1)/(s123*s13*s34*z2) + (2*s1234*s14*s23*z1)/
    (s12*s123*s13*s34*z2) + (2*s1234*s23*z1)/(s12*s234*s34*z2) - 
   (D*s1234*s23*z1)/(s12*s234*s34*z2) + (s1234*s24*z1)/(s12*s123*s34*z2) + 
   (2*s1234*s24*z1)/(s12*s234*s34*z2) - (D*s1234*s24*z1)/(s12*s234*s34*z2) - 
   (s1234*s23*s24*z1)/(s12*s123*s234*s34*z2) - 
   (s1234*s24^2*z1)/(s12*s123*s234*s34*z2) + (2*s1234*s34*z1)/
    (s12*s123*s234*z2) - (D*s1234*s34*z1)/(2*s12*s123*s234*z2) + 
   (2*s1234*s34*z1)/(s123*s13*s234*z2) - (D*s1234*s34*z1)/
    (2*s123*s13*s234*z2) - (2*s1234*s34*z1)/(s123*s234*s24*z2) + 
   (D*s1234*s34*z1)/(2*s123*s234*s24*z2) - (2*s12*s1234*s34*z1)/
    (s123*s13*s234*s24*z2) + (D*s12*s1234*s34*z1)/(2*s123*s13*s234*s24*z2) - 
   (2*s1234*s23*s34*z1)/(s123*s13*s234*s24*z2) + 
   (D*s1234*s23*s34*z1)/(2*s123*s13*s234*s24*z2) - 
   (4*s1234*z1)/(s12*s123*z3) + (D*s1234*z1)/(s12*s123*z3) + 
   (2*s1234*z1)/(s12*s13*z3) - (D*s1234*z1)/(2*s12*s13*z3) - 
   (4*s1234*z1)/(s123*s13*z3) + (D*s1234*z1)/(s123*s13*z3) - 
   (2*s1234*s23*z1)/(s12*s123*s13*z3) + (D*s1234*s23*z1)/
    (2*s12*s123*s13*z3) + (s1234*z1)/(s12*s234*z3) - 
   (3*s1234*z1)/(s123*s234*z3) + (D*s1234*z1)/(2*s123*s234*z3) + 
   (2*s1234*z1)/(s13*s234*z3) - (D*s1234*z1)/(s13*s234*z3) - 
   (3*s1234*s13*z1)/(s12*s123*s234*z3) + (D*s1234*s13*z1)/
    (2*s12*s123*s234*z3) - (s1234*s23*z1)/(s12*s123*s234*z3) + 
   (2*s1234*s23*z1)/(s123*s13*s234*z3) - (D*s1234*s23*z1)/
    (2*s123*s13*s234*z3) - (2*s1234*z1)/(s13*s24*z3) + 
   (D*s1234*z1)/(s13*s24*z3) + (2*s1234*s14*z1)/(s12*s123*s24*z3) - 
   (2*s1234*s14*z1)/(s12*s13*s24*z3) + (2*s1234*s14*z1)/(s123*s13*s24*z3) + 
   (2*s1234*s14*s23*z1)/(s12*s123*s13*s24*z3) + 
   (2*s1234*s23*z1)/(s13*s234*s24*z3) - (D*s1234*s23*z1)/(s13*s234*s24*z3) + 
   (2*s1234*s24*z1)/(s12*s123*s234*z3) - (D*s1234*s24*z1)/
    (2*s12*s123*s234*z3) + (2*s1234*s24*z1)/(s123*s13*s234*z3) - 
   (D*s1234*s24*z1)/(2*s123*s13*s234*z3) + (2*s1234*z1)/(s12*s34*z3) - 
   (D*s1234*z1)/(2*s12*s34*z3) - (2*s1234*s23*z1)/(s12*s234*s34*z3) + 
   (D*s1234*s23*z1)/(2*s12*s234*s34*z3) - (2*s1234*s24*z1)/
    (s123*s234*s34*z3) + (D*s1234*s24*z1)/(2*s123*s234*s34*z3) - 
   (2*s1234*s13*s24*z1)/(s12*s123*s234*s34*z3) + 
   (D*s1234*s13*s24*z1)/(2*s12*s123*s234*s34*z3) - 
   (2*s1234*s23*s24*z1)/(s12*s123*s234*s34*z3) + 
   (D*s1234*s23*s24*z1)/(2*s12*s123*s234*s34*z3) + 
   (2*s1234*s34*z1)/(s12*s123*s234*z3) - (D*s1234*s34*z1)/
    (2*s12*s123*s234*z3) + (s1234*s34*z1)/(s123*s13*s234*z3) - 
   (D*s1234*s34*z1)/(2*s123*s13*s234*z3) + (s1234*s34*z1)/(s123*s13*s24*z3) + 
   (2*s1234*s34*z1)/(s13*s234*s24*z3) - (D*s1234*s34*z1)/(s13*s234*s24*z3) - 
   (s1234*s23*s34*z1)/(s123*s13*s234*s24*z3) - 
   (s1234*s34^2*z1)/(s123*s13*s234*s24*z3) - (2*s1234*s14*z2)/
    (s12*s123*s234*z3) + (D*s1234*s14*z2)/(2*s12*s123*s234*z3) + 
   (2*s1234*s14*z2)/(s123*s13*s234*z3) - (D*s1234*s14*z2)/
    (2*s123*s13*s234*z3) + (4*s1234*s14*z2)/(s12*s123*s24*z3) - 
   (D*s1234*s14*z2)/(s12*s123*s24*z3) - (2*s1234*s14*z2)/(s12*s13*s24*z3) + 
   (D*s1234*s14*z2)/(2*s12*s13*s24*z3) + (2*s1234*s14*s23*z2)/
    (s12*s123*s13*s24*z3) - (D*s1234*s14*s23*z2)/(2*s12*s123*s13*s24*z3) + 
   (4*s1234*s14*z2)/(s12*s234*s24*z3) - (D*s1234*s14*z2)/(s12*s234*s24*z3) - 
   (2*s1234*s14*z2)/(s123*s234*s24*z3) + (D*s1234*s14*z2)/
    (2*s123*s234*s24*z3) - (2*s1234*s13*s14*z2)/(s12*s123*s234*s24*z3) + 
   (D*s1234*s13*s14*z2)/(2*s12*s123*s234*s24*z3) - 
   (4*s1234*s14*s23*z2)/(s12*s123*s234*s24*z3) + 
   (D*s1234*s14*s23*z2)/(s12*s123*s234*s24*z3) + 
   (2*s1234*s14*s23*z2)/(s123*s13*s234*s24*z3) - 
   (D*s1234*s14*s23*z2)/(2*s123*s13*s234*s24*z3) + 
   (2*s1234*s14*z2)/(s123*s234*s34*z3) - (D*s1234*s14*z2)/
    (2*s123*s234*s34*z3) + (2*s1234*s13*s14*z2)/(s12*s123*s234*s34*z3) - 
   (D*s1234*s13*s14*z2)/(2*s12*s123*s234*s34*z3) + 
   (2*s1234*s14*s23*z2)/(s12*s123*s234*s34*z3) - 
   (D*s1234*s14*s23*z2)/(2*s12*s123*s234*s34*z3) - 
   (2*s1234*s14*z2)/(s12*s24*s34*z3) + (D*s1234*s14*z2)/(2*s12*s24*s34*z3) + 
   (2*s1234*s14*s23*z2)/(s12*s234*s24*s34*z3) - 
   (D*s1234*s14*s23*z2)/(2*s12*s234*s24*s34*z3) - 
   (2*s1234*s14*s34*z2)/(s12*s123*s234*s24*z3) + 
   (D*s1234*s14*s34*z2)/(2*s12*s123*s234*s24*z3) + 
   (2*s1234*s14*s34*z2)/(s123*s13*s234*s24*z3) - 
   (D*s1234*s14*s34*z2)/(2*s123*s13*s234*s24*z3) + 
   (2*s1234*s14*z3)/(s12*s123*s234*z2) - (D*s1234*s14*z3)/
    (2*s12*s123*s234*z2) - (2*s1234*s14*z3)/(s123*s13*s234*z2) + 
   (D*s1234*s14*z3)/(2*s123*s13*s234*z2) + (2*s1234*s14*z3)/
    (s123*s234*s24*z2) - (D*s1234*s14*z3)/(2*s123*s234*s24*z2) + 
   (2*s12*s1234*s14*z3)/(s123*s13*s234*s24*z2) - 
   (D*s12*s1234*s14*z3)/(2*s123*s13*s234*s24*z2) + 
   (2*s1234*s14*s23*z3)/(s123*s13*s234*s24*z2) - 
   (D*s1234*s14*s23*z3)/(2*s123*s13*s234*s24*z2) - 
   (2*s1234*s14*z3)/(s12*s13*s34*z2) + (D*s1234*s14*z3)/(2*s12*s13*s34*z2) + 
   (4*s1234*s14*z3)/(s123*s13*s34*z2) - (D*s1234*s14*z3)/(s123*s13*s34*z2) + 
   (2*s1234*s14*s23*z3)/(s12*s123*s13*s34*z2) - 
   (D*s1234*s14*s23*z3)/(2*s12*s123*s13*s34*z2) - 
   (2*s1234*s14*z3)/(s123*s234*s34*z2) + (D*s1234*s14*z3)/
    (2*s123*s234*s34*z2) + (4*s1234*s14*z3)/(s13*s234*s34*z2) - 
   (D*s1234*s14*z3)/(s13*s234*s34*z2) - (2*s12*s1234*s14*z3)/
    (s123*s13*s234*s34*z2) + (D*s12*s1234*s14*z3)/(2*s123*s13*s234*s34*z2) + 
   (2*s1234*s14*s23*z3)/(s12*s123*s234*s34*z2) - 
   (D*s1234*s14*s23*z3)/(2*s12*s123*s234*s34*z2) - 
   (4*s1234*s14*s23*z3)/(s123*s13*s234*s34*z2) + 
   (D*s1234*s14*s23*z3)/(s123*s13*s234*s34*z2) - 
   (2*s1234*s14*z3)/(s13*s24*s34*z2) + (D*s1234*s14*z3)/(2*s13*s24*s34*z2) + 
   (2*s1234*s14*s23*z3)/(s13*s234*s24*s34*z2) - 
   (D*s1234*s14*s23*z3)/(2*s13*s234*s24*s34*z2) + 
   (2*s1234*s14*s24*z3)/(s12*s123*s234*s34*z2) - 
   (D*s1234*s14*s24*z3)/(2*s12*s123*s234*s34*z2) - 
   (2*s1234*s14*s24*z3)/(s123*s13*s234*s34*z2) + 
   (D*s1234*s14*s24*z3)/(2*s123*s13*s234*s34*z2) - 
   (3*s1234*z4)/(s123*s234*z2) + (D*s1234*z4)/(2*s123*s234*z2) - 
   (2*s1234*s13*z4)/(s12*s123*s234*z2) + (D*s1234*s13*z4)/
    (2*s12*s123*s234*z2) + (2*s1234*z4)/(s123*s24*z2) - 
   (D*s1234*z4)/(s123*s24*z2) - (2*s1234*z4)/(s13*s24*z2) + 
   (D*s1234*z4)/(s13*s24*z2) + (2*s12*s1234*z4)/(s123*s13*s24*z2) - 
   (D*s12*s1234*z4)/(s123*s13*s24*z2) + (2*s1234*s23*z4)/(s123*s13*s24*z2) - 
   (D*s1234*s23*z4)/(s123*s13*s24*z2) - (4*s1234*z4)/(s234*s24*z2) + 
   (D*s1234*z4)/(s234*s24*z2) + (s12*s1234*z4)/(s123*s234*s24*z2) - 
   (D*s12*s1234*z4)/(2*s123*s234*s24*z2) + (s12*s1234*z4)/(s13*s234*s24*z2) - 
   (s12^2*s1234*z4)/(s123*s13*s234*s24*z2) + (2*s1234*s13*z4)/
    (s123*s234*s24*z2) - (D*s1234*s13*z4)/(2*s123*s234*s24*z2) + 
   (2*s1234*s14*z4)/(s13*s234*s24*z2) + (2*s1234*s23*z4)/(s123*s234*s24*z2) - 
   (D*s1234*s23*z4)/(2*s123*s234*s24*z2) - (s12*s1234*s23*z4)/
    (s123*s13*s234*s24*z2) + (2*s1234*z4)/(s12*s34*z2) - 
   (D*s1234*z4)/(2*s12*s34*z2) + (s1234*z4)/(s123*s34*z2) - 
   (2*s1234*s23*z4)/(s12*s123*s34*z2) + (D*s1234*s23*z4)/
    (2*s12*s123*s34*z2) - (4*s1234*z4)/(s234*s34*z2) + 
   (D*s1234*z4)/(s234*s34*z2) + (2*s12*s1234*z4)/(s123*s234*s34*z2) - 
   (D*s12*s1234*z4)/(2*s123*s234*s34*z2) + (2*s1234*s13*z4)/
    (s123*s234*s34*z2) - (D*s1234*s13*z4)/(2*s123*s234*s34*z2) + 
   (2*s1234*s14*z4)/(s13*s234*s34*z2) - (s1234*s23*z4)/(s123*s234*s34*z2) - 
   (2*s1234*s13*s23*z4)/(s12*s123*s234*s34*z2) + 
   (D*s1234*s13*s23*z4)/(2*s12*s123*s234*s34*z2) + 
   (2*s1234*z4)/(s24*s34*z2) - (D*s1234*z4)/(2*s24*s34*z2) - 
   (2*s1234*s14*z4)/(s13*s24*s34*z2) - (2*s1234*s23*z4)/(s234*s24*s34*z2) + 
   (D*s1234*s23*z4)/(2*s234*s24*s34*z2) + (2*s1234*s14*s23*z4)/
    (s13*s234*s24*s34*z2) - (3*s1234*s24*z4)/(s123*s234*s34*z2) + 
   (D*s1234*s24*z4)/(2*s123*s234*s34*z2) - (2*s1234*s13*s24*z4)/
    (s12*s123*s234*s34*z2) + (D*s1234*s13*s24*z4)/(2*s12*s123*s234*s34*z2) - 
   (3*s1234*z4)/(s123*s234*z3) + (D*s1234*z4)/(2*s123*s234*z3) - 
   (2*s12*s1234*z4)/(s123*s13*s234*z3) + (D*s12*s1234*z4)/
    (2*s123*s13*s234*z3) + (s1234*z4)/(s123*s24*z3) + 
   (2*s1234*z4)/(s13*s24*z3) - (D*s1234*z4)/(2*s13*s24*z3) - 
   (2*s1234*s23*z4)/(s123*s13*s24*z3) + (D*s1234*s23*z4)/
    (2*s123*s13*s24*z3) - (4*s1234*z4)/(s234*s24*z3) + 
   (D*s1234*z4)/(s234*s24*z3) + (2*s12*s1234*z4)/(s123*s234*s24*z3) - 
   (D*s12*s1234*z4)/(2*s123*s234*s24*z3) + (2*s1234*s13*z4)/
    (s123*s234*s24*z3) - (D*s1234*s13*z4)/(2*s123*s234*s24*z3) + 
   (2*s1234*s14*z4)/(s12*s234*s24*z3) - (s1234*s23*z4)/(s123*s234*s24*z3) - 
   (2*s12*s1234*s23*z4)/(s123*s13*s234*s24*z3) + 
   (D*s12*s1234*s23*z4)/(2*s123*s13*s234*s24*z3) - 
   (2*s1234*z4)/(s12*s34*z3) + (D*s1234*z4)/(s12*s34*z3) + 
   (2*s1234*z4)/(s123*s34*z3) - (D*s1234*z4)/(s123*s34*z3) + 
   (2*s1234*s13*z4)/(s12*s123*s34*z3) - (D*s1234*s13*z4)/(s12*s123*s34*z3) + 
   (2*s1234*s23*z4)/(s12*s123*s34*z3) - (D*s1234*s23*z4)/(s12*s123*s34*z3) - 
   (4*s1234*z4)/(s234*s34*z3) + (D*s1234*z4)/(s234*s34*z3) + 
   (2*s12*s1234*z4)/(s123*s234*s34*z3) - (D*s12*s1234*z4)/
    (2*s123*s234*s34*z3) + (s1234*s13*z4)/(s12*s234*s34*z3) + 
   (s1234*s13*z4)/(s123*s234*s34*z3) - (D*s1234*s13*z4)/
    (2*s123*s234*s34*z3) - (s1234*s13^2*z4)/(s12*s123*s234*s34*z3) + 
   (2*s1234*s14*z4)/(s12*s234*s34*z3) + (2*s1234*s23*z4)/(s123*s234*s34*z3) - 
   (D*s1234*s23*z4)/(2*s123*s234*s34*z3) - (s1234*s13*s23*z4)/
    (s12*s123*s234*s34*z3) + (2*s1234*z4)/(s24*s34*z3) - 
   (D*s1234*z4)/(2*s24*s34*z3) - (2*s1234*s14*z4)/(s12*s24*s34*z3) - 
   (2*s1234*s23*z4)/(s234*s24*s34*z3) + (D*s1234*s23*z4)/
    (2*s234*s24*s34*z3) + (2*s1234*s14*s23*z4)/(s12*s234*s24*s34*z3) - 
   (3*s1234*s34*z4)/(s123*s234*s24*z3) + (D*s1234*s34*z4)/
    (2*s123*s234*s24*z3) - (2*s12*s1234*s34*z4)/(s123*s13*s234*s24*z3) + 
   (D*s12*s1234*s34*z4)/(2*s123*s13*s234*s24*z3) - 
   (2*s1234*z1*z4)/(s12*s234*z2*z3) + (4*s1234*z1*z4)/(s123*s234*z2*z3) - 
   (2*s1234*z1*z4)/(s13*s234*z2*z3) + (2*s12*s1234*z1*z4)/
    (s123*s13*s234*z2*z3) + (2*s1234*s13*z1*z4)/(s12*s123*s234*z2*z3) + 
   (2*s1234*s23*z1*z4)/(s12*s123*s234*z2*z3) + (2*s1234*s23*z1*z4)/
    (s123*s13*s234*z2*z3) - (2*s1234*z1*z4)/(s123*s24*z2*z3) + 
   (2*s1234*z1*z4)/(s13*s24*z2*z3) - (2*s12*s1234*z1*z4)/
    (s123*s13*s24*z2*z3) - (2*s1234*s23*z1*z4)/(s123*s13*s24*z2*z3) + 
   (2*s1234*s23*z1*z4)/(s123*s234*s24*z2*z3) - (2*s1234*s23*z1*z4)/
    (s13*s234*s24*z2*z3) + (2*s12*s1234*s23*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (2*s1234*s23^2*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (2*s1234*z1*z4)/(s12*s34*z2*z3) - 
   (2*s1234*z1*z4)/(s123*s34*z2*z3) - (2*s1234*s13*z1*z4)/
    (s12*s123*s34*z2*z3) - (2*s1234*s23*z1*z4)/(s12*s123*s34*z2*z3) - 
   (2*s1234*s23*z1*z4)/(s12*s234*s34*z2*z3) + (2*s1234*s23*z1*z4)/
    (s123*s234*s34*z2*z3) + (2*s1234*s13*s23*z1*z4)/
    (s12*s123*s234*s34*z2*z3) + (2*s1234*s23^2*z1*z4)/
    (s12*s123*s234*s34*z2*z3) - (2*s1234*s24*z1*z4)/(s12*s234*s34*z2*z3) + 
   (2*s1234*s24*z1*z4)/(s123*s234*s34*z2*z3) + (2*s1234*s13*s24*z1*z4)/
    (s12*s123*s234*s34*z2*z3) + (2*s1234*s23*s24*z1*z4)/
    (s12*s123*s234*s34*z2*z3) + (2*s1234*s34*z1*z4)/(s123*s234*s24*z2*z3) - 
   (2*s1234*s34*z1*z4)/(s13*s234*s24*z2*z3) + (2*s12*s1234*s34*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (2*s1234*s23*s34*z1*z4)/
    (s123*s13*s234*s24*z2*z3)) + 
 k1k3*((2*s1234)/(s12*s123) - (D*s1234)/(s12*s123) - (2*s1234)/(s12*s13) + 
   (D*s1234)/(2*s12*s13) - (7*s1234)/(s123*s13) + 
   (2*s1234*s23)/(s12*s123*s13) - (D*s1234*s23)/(2*s12*s123*s13) + 
   (4*s1234)/s234^2 - (D*s1234)/s234^2 - (12*s1234)/(s123*s234) + 
   (5*D*s1234)/(2*s123*s234) - (6*s1234)/(s13*s234) + (D*s1234)/(s13*s234) - 
   (10*s12*s1234)/(s123*s13*s234) + (3*D*s12*s1234)/(2*s123*s13*s234) - 
   (s1234*s14)/(s12*s123*s234) + (D*s1234*s14)/(s12*s123*s234) - 
   (3*s1234*s14)/(s123*s13*s234) + (D*s1234*s14)/(s123*s13*s234) + 
   (6*s1234*s23)/(s12*s123*s234) - (3*D*s1234*s23)/(2*s12*s123*s234) + 
   (13*s1234*s23)/(s123*s13*s234) - (5*D*s1234*s23)/(s123*s13*s234) + 
   (D^2*s1234*s23)/(2*s123*s13*s234) + (2*s1234)/(s13*s24) - 
   (D*s1234)/(2*s13*s24) - (4*s1234*s14)/(s12*s13*s24) + 
   (D*s1234*s14)/(s12*s13*s24) + (4*s1234*s23)/(s234^2*s24) - 
   (3*D*s1234*s23)/(s234^2*s24) + (D^2*s1234*s23)/(2*s234^2*s24) - 
   (4*s12*s1234)/(s13*s234*s24) + (D*s12*s1234)/(s13*s234*s24) - 
   (4*s1234*s14)/(s12*s234*s24) + (2*D*s1234*s14)/(s12*s234*s24) + 
   (s1234*s14)/(s123*s234*s24) + (s12*s1234*s14)/(s123*s13*s234*s24) + 
   (2*s1234*s14^2)/(s12*s123*s234*s24) + (2*s1234*s14^2)/
    (s123*s13*s234*s24) + (6*s1234*s23)/(s13*s234*s24) - 
   (7*D*s1234*s23)/(2*s13*s234*s24) + (D^2*s1234*s23)/(2*s13*s234*s24) + 
   (s1234*s14*s23)/(s123*s13*s234*s24) + (2*s1234*s24)/(s12*s123*s234) - 
   (D*s1234*s24)/(2*s12*s123*s234) - (3*s1234*s24)/(s123*s13*s234) + 
   (D*s1234*s24)/(2*s123*s13*s234) + (2*s1234)/(s12*s34) + 
   (2*s1234*s14)/(s12*s123*s34) - (3*s1234*s14)/(s12*s13*s34) + 
   (2*s1234*s14)/(s123*s13*s34) + (12*s1234*s23)/(s12*s13*s34) - 
   (5*D*s1234*s23)/(s12*s13*s34) + (D^2*s1234*s23)/(2*s12*s13*s34) - 
   (s1234*s14*s23)/(s12*s123*s13*s34) + (8*s1234*s23)/(s234^2*s34) - 
   (4*D*s1234*s23)/(s234^2*s34) + (D^2*s1234*s23)/(2*s234^2*s34) - 
   (2*s1234*s13)/(s12*s234*s34) + (D*s1234*s13)/(s12*s234*s34) - 
   (4*s1234*s14)/(s12*s234*s34) + (2*D*s1234*s14)/(s12*s234*s34) + 
   (s1234*s14)/(s123*s234*s34) + (2*s1234*s14)/(s13*s234*s34) - 
   (s12*s1234*s14)/(s123*s13*s234*s34) + (2*s1234*s13*s14)/
    (s12*s123*s234*s34) + (2*s1234*s14^2)/(s12*s123*s234*s34) + 
   (2*s1234*s14^2)/(s123*s13*s234*s34) + (12*s1234*s23)/(s12*s234*s34) - 
   (5*D*s1234*s23)/(s12*s234*s34) + (D^2*s1234*s23)/(2*s12*s234*s34) + 
   (12*s1234*s23)/(s13*s234*s34) - (5*D*s1234*s23)/(s13*s234*s34) + 
   (D^2*s1234*s23)/(2*s13*s234*s34) - (5*s1234*s14*s23)/(s12*s123*s234*s34) + 
   (D*s1234*s14*s23)/(s12*s123*s234*s34) - (6*s1234*s14*s23)/
    (s123*s13*s234*s34) + (D*s1234*s14*s23)/(s123*s13*s234*s34) + 
   (s1234*s14)/(s13*s24*s34) + (2*s1234*s14^2)/(s12*s13*s24*s34) - 
   (4*s1234*s14*s23)/(s12*s13*s24*s34) + (D*s1234*s14*s23)/
    (s12*s13*s24*s34) - (2*s1234*s14*s23)/(s12*s234*s24*s34) + 
   (D*s1234*s14*s23)/(s12*s234*s24*s34) + (s1234*s14*s23)/
    (s13*s234*s24*s34) + (12*s1234*s24)/(s12*s123*s34) - 
   (2*D*s1234*s24)/(s12*s123*s34) + (12*s1234*s23*s24)/(s12*s123*s13*s34) - 
   (5*D*s1234*s23*s24)/(s12*s123*s13*s34) + (D^2*s1234*s23*s24)/
    (2*s12*s123*s13*s34) + (6*s1234*s24)/(s234^2*s34) - 
   (2*D*s1234*s24)/(s234^2*s34) + (9*s1234*s24)/(s12*s234*s34) - 
   (2*D*s1234*s24)/(s12*s234*s34) + (9*s1234*s24)/(s123*s234*s34) - 
   (2*D*s1234*s24)/(s123*s234*s34) + (7*s1234*s13*s24)/(s12*s123*s234*s34) - 
   (D*s1234*s13*s24)/(s12*s123*s234*s34) + (3*s1234*s14*s24)/
    (s12*s123*s234*s34) - (s1234*s14*s24)/(s123*s13*s234*s34) - 
   (s1234*s23*s24)/(s12*s123*s234*s34) + (12*s1234*s23*s24)/
    (s123*s13*s234*s34) - (5*D*s1234*s23*s24)/(s123*s13*s234*s34) + 
   (D^2*s1234*s23*s24)/(2*s123*s13*s234*s34) + 
   (2*s1234*s34)/(s12*s123*s234) - (D*s1234*s34)/(2*s12*s123*s234) - 
   (7*s1234*s34)/(s123*s13*s234) + (3*D*s1234*s34)/(2*s123*s13*s234) + 
   (2*s1234*s34)/(s234^2*s24) - (D*s1234*s34)/(s234^2*s24) - 
   (2*s1234*s34)/(s123*s234*s24) + (D*s1234*s34)/(2*s123*s234*s24) - 
   (2*s12*s1234*s34)/(s123*s13*s234*s24) + (D*s12*s1234*s34)/
    (2*s123*s13*s234*s24) - (4*s1234*s14*s34)/(s12*s123*s234*s24) + 
   (D*s1234*s14*s34)/(s12*s123*s234*s24) - (2*s1234*s14*s34)/
    (s123*s13*s234*s24) + (D*s1234*s14*s34)/(s123*s13*s234*s24) - 
   (2*s1234*s23*s34)/(s123*s13*s234*s24) + (D*s1234*s23*s34)/
    (2*s123*s13*s234*s24) - (4*s1234*s34^2)/(s123*s13*s234*s24) + 
   (D*s1234*s34^2)/(s123*s13*s234*s24) - (8*s1234*z1)/(s12*s123*z2) + 
   (2*D*s1234*z1)/(s12*s123*z2) + (4*s1234*z1)/(s12*s13*z2) - 
   (D*s1234*z1)/(s12*s13*z2) - (8*s1234*z1)/(s123*s13*z2) + 
   (2*D*s1234*z1)/(s123*s13*z2) - (4*s1234*s23*z1)/(s12*s123*s13*z2) + 
   (D*s1234*s23*z1)/(s12*s123*s13*z2) + (4*s1234*z1)/(s12*s234*z2) - 
   (2*D*s1234*z1)/(s12*s234*z2) + (s1234*z1)/(s123*s234*z2) - 
   (2*s1234*z1)/(s13*s234*z2) + (s12*s1234*z1)/(s123*s13*s234*z2) - 
   (2*s1234*s14*z1)/(s12*s123*s234*z2) - (2*s1234*s14*z1)/
    (s123*s13*s234*z2) + (4*s1234*s23*z1)/(s12*s123*s234*z2) - 
   (D*s1234*s23*z1)/(s12*s123*s234*z2) + (5*s1234*s23*z1)/
    (s123*s13*s234*z2) - (D*s1234*s23*z1)/(s123*s13*s234*z2) + 
   (s1234*s24*z1)/(s12*s123*s234*z2) - (D*s1234*s24*z1)/(s12*s123*s234*z2) + 
   (3*s1234*s24*z1)/(s123*s13*s234*z2) - (D*s1234*s24*z1)/
    (s123*s13*s234*z2) - (4*s1234*z1)/(s12*s34*z2) + 
   (2*D*s1234*z1)/(s12*s34*z2) + (s1234*z1)/(s13*s34*z2) + 
   (4*s1234*s14*z1)/(s12*s123*s34*z2) - (2*s1234*s14*z1)/(s12*s13*s34*z2) + 
   (4*s1234*s14*z1)/(s123*s13*s34*z2) + (2*s1234*s14*s23*z1)/
    (s12*s123*s13*s34*z2) + (4*s1234*s23*z1)/(s12*s234*s34*z2) - 
   (2*D*s1234*s23*z1)/(s12*s234*s34*z2) - (s1234*s23*z1)/(s13*s234*s34*z2) - 
   (2*s1234*s14*s23*z1)/(s12*s123*s234*s34*z2) - 
   (2*s1234*s14*s23*z1)/(s123*s13*s234*s34*z2) + 
   (2*s1234*s24*z1)/(s12*s123*s34*z2) + (s1234*s24*z1)/(s12*s13*s34*z2) - 
   (s1234*s23*s24*z1)/(s12*s123*s13*s34*z2) + 
   (4*s1234*s24*z1)/(s12*s234*s34*z2) - (2*D*s1234*s24*z1)/
    (s12*s234*s34*z2) - (s1234*s24*z1)/(s123*s234*s34*z2) - 
   (s12*s1234*s24*z1)/(s123*s13*s234*s34*z2) - (2*s1234*s14*s24*z1)/
    (s12*s123*s234*s34*z2) - (2*s1234*s14*s24*z1)/(s123*s13*s234*s34*z2) - 
   (3*s1234*s23*s24*z1)/(s12*s123*s234*s34*z2) - 
   (2*s1234*s23*s24*z1)/(s123*s13*s234*s34*z2) - 
   (3*s1234*s24^2*z1)/(s12*s123*s234*s34*z2) - 
   (s1234*s24^2*z1)/(s123*s13*s234*s34*z2) + (4*s1234*s34*z1)/
    (s12*s123*s234*z2) - (D*s1234*s34*z1)/(s12*s123*s234*z2) + 
   (4*s1234*s34*z1)/(s123*s13*s234*z2) - (D*s1234*s34*z1)/
    (s123*s13*s234*z2) - (2*s1234*z1)/(s12*s123*z3) + 
   (s1234*z1)/(s12*s13*z3) - (4*s1234*z1)/(s123*s13*z3) - 
   (s1234*s23*z1)/(s12*s123*s13*z3) - (2*s1234*z1)/(s12*s234*z3) + 
   (s1234*z1)/(s123*s234*z3) + (s1234*s13*z1)/(s12*s123*s234*z3) + 
   (2*s1234*s23*z1)/(s12*s123*s234*z3) + (3*s1234*s23*z1)/
    (s123*s13*s234*z3) + (s1234*s24*z1)/(s12*s123*s234*z3) + 
   (3*s1234*s24*z1)/(s123*s13*s234*z3) + (s1234*z1)/(s12*s34*z3) - 
   (s1234*s23*z1)/(s12*s234*s34*z3) - (s1234*s24*z1)/(s123*s234*s34*z3) - 
   (s1234*s13*s24*z1)/(s12*s123*s234*s34*z3) - 
   (s1234*s23*s24*z1)/(s12*s123*s234*s34*z3) + 
   (s1234*s34*z1)/(s12*s123*s234*z3) + (3*s1234*s34*z1)/(s123*s13*s234*z3) - 
   (4*s1234*z2)/(s234^2*z3) + (D*s1234*z2)/(s234^2*z3) - 
   (5*s1234*z2)/(s12*s234*z3) + (D*s1234*z2)/(s12*s234*z3) + 
   (5*s1234*z2)/(s123*s234*z3) - (D*s1234*z2)/(s123*s234*z3) + 
   (5*s1234*s13*z2)/(s12*s123*s234*z3) - (D*s1234*s13*z2)/
    (s12*s123*s234*z3) - (s1234*s14*z2)/(s12*s123*s234*z3) - 
   (s1234*s14*z2)/(s123*s13*s234*z3) + (5*s1234*s23*z2)/(s12*s123*s234*z3) - 
   (D*s1234*s23*z2)/(s12*s123*s234*z3) + (s1234*s14*z2)/(s12*s13*s24*z3) - 
   (s1234*s14*s23*z2)/(s12*s123*s13*s24*z3) - 
   (4*s1234*s23*z2)/(s234^2*s24*z3) + (D*s1234*s23*z2)/(s234^2*s24*z3) + 
   (4*s1234*z2)/(s234*s24*z3) - (D*s1234*z2)/(s234*s24*z3) + 
   (2*s1234*s14*z2)/(s12*s234*s24*z3) - (s1234*s14*z2)/(s123*s234*s24*z3) - 
   (s1234*s13*s14*z2)/(s12*s123*s234*s24*z3) - (2*s1234*s14*s23*z2)/
    (s12*s123*s234*s24*z3) - (s1234*s14*s23*z2)/(s123*s13*s234*s24*z3) + 
   (s1234*s14*z2)/(s123*s234*s34*z3) + (s1234*s13*s14*z2)/
    (s12*s123*s234*s34*z3) + (s1234*s14*s23*z2)/(s12*s123*s234*s34*z3) - 
   (s1234*s14*z2)/(s12*s24*s34*z3) + (s1234*s14*s23*z2)/
    (s12*s234*s24*s34*z3) + (s1234*s34*z2)/(s123*s13*s234*z3) - 
   (s1234*s34*z2)/(s123*s13*s24*z3) - (4*s1234*s34*z2)/(s234^2*s24*z3) + 
   (D*s1234*s34*z2)/(s234^2*s24*z3) - (s1234*s14*s34*z2)/
    (s12*s123*s234*s24*z3) - (s1234*s14*s34*z2)/(s123*s13*s234*s24*z3) + 
   (s1234*s23*s34*z2)/(s123*s13*s234*s24*z3) + 
   (s1234*s34^2*z2)/(s123*s13*s234*s24*z3) - (4*s1234*z3)/(s123*s13*z2) + 
   (D*s1234*z3)/(s123*s13*z2) - (2*s1234*z3)/(s234^2*z2) + 
   (D*s1234*z3)/(s234^2*z2) + (2*s1234*z3)/(s123*s234*z2) - 
   (D*s1234*z3)/(2*s123*s234*z2) + (2*s12*s1234*z3)/(s123*s13*s234*z2) - 
   (D*s12*s1234*z3)/(2*s123*s13*s234*z2) - (2*s1234*s14*z3)/
    (s123*s13*s234*z2) + (6*s1234*s23*z3)/(s123*s13*s234*z2) - 
   (3*D*s1234*s23*z3)/(2*s123*s13*s234*z2) - (2*s1234*s24*z3)/
    (s12*s123*s234*z2) + (D*s1234*s24*z3)/(2*s12*s123*s234*z2) + 
   (6*s1234*s24*z3)/(s123*s13*s234*z2) - (3*D*s1234*s24*z3)/
    (2*s123*s13*s234*z2) - (2*s1234*z3)/(s13*s34*z2) + 
   (D*s1234*z3)/(2*s13*s34*z2) + (2*s1234*s14*z3)/(s123*s13*s34*z2) - 
   (2*s1234*s23*z3)/(s234^2*s34*z2) + (D*s1234*s23*z3)/(s234^2*s34*z2) + 
   (2*s1234*z3)/(s234*s34*z2) - (D*s1234*z3)/(s234*s34*z2) - 
   (2*s1234*s14*z3)/(s123*s234*s34*z2) + (2*s1234*s14*z3)/(s13*s234*s34*z2) - 
   (2*s12*s1234*s14*z3)/(s123*s13*s234*s34*z2) + 
   (2*s1234*s23*z3)/(s13*s234*s34*z2) - (D*s1234*s23*z3)/
    (2*s13*s234*s34*z2) - (4*s1234*s14*s23*z3)/(s123*s13*s234*s34*z2) + 
   (2*s1234*s24*z3)/(s12*s13*s34*z2) - (D*s1234*s24*z3)/(2*s12*s13*s34*z2) - 
   (4*s1234*s24*z3)/(s123*s13*s34*z2) + (D*s1234*s24*z3)/(s123*s13*s34*z2) - 
   (2*s1234*s23*s24*z3)/(s12*s123*s13*s34*z2) + 
   (D*s1234*s23*s24*z3)/(2*s12*s123*s13*s34*z2) - 
   (2*s1234*s24*z3)/(s234^2*s34*z2) + (D*s1234*s24*z3)/(s234^2*s34*z2) - 
   (2*s1234*s24*z3)/(s123*s234*s34*z2) + (D*s1234*s24*z3)/
    (2*s123*s234*s34*z2) + (4*s1234*s24*z3)/(s13*s234*s34*z2) - 
   (D*s1234*s24*z3)/(s13*s234*s34*z2) - (2*s12*s1234*s24*z3)/
    (s123*s13*s234*s34*z2) + (D*s12*s1234*s24*z3)/(2*s123*s13*s234*s34*z2) - 
   (2*s1234*s14*s24*z3)/(s123*s13*s234*s34*z2) - 
   (2*s1234*s23*s24*z3)/(s12*s123*s234*s34*z2) + 
   (D*s1234*s23*s24*z3)/(2*s12*s123*s234*s34*z2) - 
   (2*s1234*s24^2*z3)/(s12*s123*s234*s34*z2) + 
   (D*s1234*s24^2*z3)/(2*s12*s123*s234*s34*z2) + 
   (2*s1234*s24^2*z3)/(s123*s13*s234*s34*z2) - 
   (D*s1234*s24^2*z3)/(2*s123*s13*s234*s34*z2) + 
   (4*s1234*s34*z3)/(s123*s13*s234*z2) - (D*s1234*s34*z3)/
    (s123*s13*s234*z2) - (6*s1234*z4)/(s234^2*z2) + 
   (4*D*s1234*z4)/(s234^2*z2) + (7*s1234*z4)/(s123*s234*z2) - 
   (D*s1234*z4)/(s123*s234*z2) - (8*s1234*z4)/(s13*s234*z2) + 
   (2*D*s1234*z4)/(s13*s234*z2) + (5*s12*s1234*z4)/(s123*s13*s234*z2) - 
   (D*s12*s1234*z4)/(s123*s13*s234*z2) + (2*s1234*s23*z4)/
    (s12*s123*s234*z2) - (D*s1234*s23*z4)/(2*s12*s123*s234*z2) + 
   (2*s1234*s23*z4)/(s123*s13*s234*z2) - (D*s1234*s23*z4)/
    (2*s123*s13*s234*z2) + (4*s1234*z4)/(s13*s24*z2) - 
   (D*s1234*z4)/(s13*s24*z2) - (6*s1234*s23*z4)/(s234^2*s24*z2) + 
   (3*D*s1234*s23*z4)/(s234^2*s24*z2) + (4*s1234*z4)/(s234*s24*z2) - 
   (2*D*s1234*z4)/(s234*s24*z2) - (s12*s1234*z4)/(s123*s234*s24*z2) + 
   (2*s12*s1234*z4)/(s13*s234*s24*z2) - (s12^2*s1234*z4)/
    (s123*s13*s234*s24*z2) - (2*s1234*s14*z4)/(s123*s234*s24*z2) + 
   (4*s1234*s14*z4)/(s13*s234*s24*z2) - (2*s12*s1234*s14*z4)/
    (s123*s13*s234*s24*z2) + (2*s1234*s23*z4)/(s123*s234*s24*z2) - 
   (D*s1234*s23*z4)/(2*s123*s234*s24*z2) - (8*s1234*s23*z4)/
    (s13*s234*s24*z2) + (2*D*s1234*s23*z4)/(s13*s234*s24*z2) + 
   (s12*s1234*s23*z4)/(s123*s13*s234*s24*z2) - (D*s12*s1234*s23*z4)/
    (2*s123*s13*s234*s24*z2) - (2*s1234*s14*s23*z4)/(s123*s13*s234*s24*z2) + 
   (2*s1234*s23^2*z4)/(s123*s13*s234*s24*z2) - 
   (D*s1234*s23^2*z4)/(2*s123*s13*s234*s24*z2) - (2*s1234*z4)/(s123*s34*z2) - 
   (s1234*z4)/(s13*s34*z2) - (2*s1234*s23*z4)/(s12*s13*s34*z2) + 
   (D*s1234*s23*z4)/(2*s12*s13*s34*z2) + (5*s1234*s23*z4)/(s123*s13*s34*z2) - 
   (D*s1234*s23*z4)/(s123*s13*s34*z2) + (2*s1234*s23^2*z4)/
    (s12*s123*s13*s34*z2) - (D*s1234*s23^2*z4)/(2*s12*s123*s13*s34*z2) - 
   (4*s1234*s23*z4)/(s234^2*s34*z2) + (3*D*s1234*s23*z4)/(s234^2*s34*z2) - 
   (2*D*s1234*z4)/(s234*s34*z2) + (3*s12*s1234*z4)/(s123*s234*s34*z2) + 
   (s12^2*s1234*z4)/(s123*s13*s234*s34*z2) + (2*s1234*s13*z4)/
    (s123*s234*s34*z2) - (2*s1234*s14*z4)/(s123*s234*s34*z2) + 
   (4*s1234*s14*z4)/(s13*s234*s34*z2) - (2*s12*s1234*s14*z4)/
    (s123*s13*s234*s34*z2) + (7*s1234*s23*z4)/(s123*s234*s34*z2) - 
   (D*s1234*s23*z4)/(2*s123*s234*s34*z2) - (4*s1234*s23*z4)/
    (s13*s234*s34*z2) + (D*s1234*s23*z4)/(s13*s234*s34*z2) + 
   (4*s12*s1234*s23*z4)/(s123*s13*s234*s34*z2) - 
   (D*s12*s1234*s23*z4)/(2*s123*s13*s234*s34*z2) - 
   (2*s1234*s14*s23*z4)/(s123*s13*s234*s34*z2) + 
   (2*s1234*s23^2*z4)/(s12*s123*s234*s34*z2) - 
   (D*s1234*s23^2*z4)/(2*s12*s123*s234*s34*z2) - 
   (s12*s1234*z4)/(s13*s24*s34*z2) - (2*s1234*s14*z4)/(s13*s24*s34*z2) + 
   (2*s1234*s23*z4)/(s13*s24*s34*z2) - (D*s1234*s23*z4)/(2*s13*s24*s34*z2) - 
   (2*s1234*s23^2*z4)/(s234^2*s24*s34*z2) + (D*s1234*s23^2*z4)/
    (s234^2*s24*s34*z2) + (2*s1234*s23*z4)/(s234*s24*s34*z2) - 
   (D*s1234*s23*z4)/(s234*s24*s34*z2) + (s12*s1234*s23*z4)/
    (s13*s234*s24*s34*z2) + (2*s1234*s14*s23*z4)/(s13*s234*s24*s34*z2) - 
   (2*s1234*s23^2*z4)/(s13*s234*s24*s34*z2) + (D*s1234*s23^2*z4)/
    (2*s13*s234*s24*s34*z2) - (2*s1234*s24*z4)/(s234^2*s34*z2) + 
   (2*D*s1234*s24*z4)/(s234^2*s34*z2) + (3*s1234*s24*z4)/(s123*s234*s34*z2) + 
   (s12*s1234*s24*z4)/(s123*s13*s234*s34*z2) + (2*s1234*s23*s24*z4)/
    (s12*s123*s234*s34*z2) - (D*s1234*s23*s24*z4)/(2*s12*s123*s234*s34*z2) - 
   (2*s1234*s23*s24*z4)/(s123*s13*s234*s34*z2) + 
   (D*s1234*s23*s24*z4)/(2*s123*s13*s234*s34*z2) - 
   (4*s1234*s34*z4)/(s234^2*s24*z2) + (2*D*s1234*s34*z4)/(s234^2*s24*z2) + 
   (4*s1234*s34*z4)/(s123*s234*s24*z2) - (D*s1234*s34*z4)/
    (s123*s234*s24*z2) - (8*s1234*s34*z4)/(s13*s234*s24*z2) + 
   (2*D*s1234*s34*z4)/(s13*s234*s24*z2) + (4*s12*s1234*s34*z4)/
    (s123*s13*s234*s24*z2) - (D*s12*s1234*s34*z4)/(s123*s13*s234*s24*z2) + 
   (4*s1234*s23*s34*z4)/(s123*s13*s234*s24*z2) - 
   (D*s1234*s23*s34*z4)/(s123*s13*s234*s24*z2) + (4*s1234*z4)/(s234^2*z3) - 
   (s1234*z4)/(s123*s234*z3) + (s12*s1234*z4)/(s123*s13*s234*z3) - 
   (2*s1234*s13*z4)/(s12*s123*s234*z3) - (2*s1234*s23*z4)/
    (s12*s123*s234*z3) - (s1234*s23*z4)/(s123*s13*s234*z3) - 
   (s1234*z4)/(s13*s24*z3) + (2*s1234*s23*z4)/(s123*s13*s24*z3) + 
   (4*s1234*s23*z4)/(s234^2*s24*z3) - (4*s1234*z4)/(s234*s24*z3) + 
   (s12*s1234*z4)/(s123*s234*s24*z3) + (s1234*s13*z4)/(s123*s234*s24*z3) + 
   (4*s1234*s14*z4)/(s12*s234*s24*z3) - (2*s1234*s14*z4)/(s123*s234*s24*z3) - 
   (2*s1234*s13*s14*z4)/(s12*s123*s234*s24*z3) + 
   (2*s1234*s23*z4)/(s123*s234*s24*z3) + (s12*s1234*s23*z4)/
    (s123*s13*s234*s24*z3) - (2*s1234*s14*s23*z4)/(s12*s123*s234*s24*z3) - 
   (s1234*s23^2*z4)/(s123*s13*s234*s24*z3) + (4*s1234*z4)/(s12*s34*z3) - 
   (2*s1234*z4)/(s123*s34*z3) - (2*s1234*s13*z4)/(s12*s123*s34*z3) - 
   (2*s1234*s23*z4)/(s12*s123*s34*z3) + (4*s1234*s23*z4)/(s234^2*s34*z3) - 
   (2*s1234*z4)/(s234*s34*z3) - (s12*s1234*z4)/(s123*s234*s34*z3) + 
   (2*s1234*s13*z4)/(s12*s234*s34*z3) - (3*s1234*s13*z4)/(s123*s234*s34*z3) - 
   (2*s1234*s13^2*z4)/(s12*s123*s234*s34*z3) + 
   (4*s1234*s14*z4)/(s12*s234*s34*z3) - (2*s1234*s14*z4)/(s123*s234*s34*z3) - 
   (2*s1234*s13*s14*z4)/(s12*s123*s234*s34*z3) - 
   (s1234*s23*z4)/(s12*s234*s34*z3) - (2*s1234*s23*z4)/(s123*s234*s34*z3) - 
   (3*s1234*s13*s23*z4)/(s12*s123*s234*s34*z3) - 
   (2*s1234*s14*s23*z4)/(s12*s123*s234*s34*z3) - 
   (s1234*s23^2*z4)/(s12*s123*s234*s34*z3) + (s1234*z4)/(s24*s34*z3) - 
   (2*s1234*s14*z4)/(s12*s24*s34*z3) + (2*s1234*s23^2*z4)/
    (s234^2*s24*s34*z3) - (3*s1234*s23*z4)/(s234*s24*s34*z3) + 
   (2*s1234*s14*s23*z4)/(s12*s234*s24*s34*z3) + 
   (2*s1234*s24*z4)/(s234^2*s34*z3) - (2*s1234*s24*z4)/(s123*s234*s34*z3) - 
   (2*s1234*s13*s24*z4)/(s12*s123*s234*s34*z3) - 
   (2*s1234*s23*s24*z4)/(s12*s123*s234*s34*z3) + 
   (2*s1234*s34*z4)/(s234^2*s24*z3) + (s1234*s34*z4)/(s123*s234*s24*z3) + 
   (s12*s1234*s34*z4)/(s123*s13*s234*s24*z3) - 
   (s1234*s23*s34*z4)/(s123*s13*s234*s24*z3) - 
   (4*s1234*z1*z4)/(s12*s234*z2*z3) + (2*s1234*z1*z4)/(s123*s234*z2*z3) + 
   (2*s1234*s13*z1*z4)/(s12*s123*s234*z2*z3) + (2*s1234*s23*z1*z4)/
    (s12*s123*s234*z2*z3) + (6*s1234*z1*z4)/(s12*s34*z2*z3) - 
   (4*s1234*z1*z4)/(s123*s34*z2*z3) - (4*s1234*s13*z1*z4)/
    (s12*s123*s34*z2*z3) - (4*s1234*s23*z1*z4)/(s12*s123*s34*z2*z3) - 
   (4*s1234*s23*z1*z4)/(s12*s234*s34*z2*z3) + (2*s1234*s23*z1*z4)/
    (s123*s234*s34*z2*z3) + (2*s1234*s13*s23*z1*z4)/
    (s12*s123*s234*s34*z2*z3) + (2*s1234*s23^2*z1*z4)/
    (s12*s123*s234*s34*z2*z3) - (4*s1234*s24*z1*z4)/(s12*s234*s34*z2*z3) + 
   (2*s1234*s24*z1*z4)/(s123*s234*s34*z2*z3) + (2*s1234*s13*s24*z1*z4)/
    (s12*s123*s234*s34*z2*z3) + (2*s1234*s23*s24*z1*z4)/
    (s12*s123*s234*s34*z2*z3) + (8*s1234*z4^2)/(s234^2*z2*z3) + 
   (6*s1234*s23*z4^2)/(s234^2*s24*z2*z3) - (8*s1234*z4^2)/(s234*s24*z2*z3) + 
   (2*s12*s1234*z4^2)/(s123*s234*s24*z2*z3) + (2*s1234*s13*z4^2)/
    (s123*s234*s24*z2*z3) + (2*s1234*s23*z4^2)/(s123*s234*s24*z2*z3) + 
   (6*s1234*s23*z4^2)/(s234^2*s34*z2*z3) - (8*s1234*z4^2)/(s234*s34*z2*z3) + 
   (2*s12*s1234*z4^2)/(s123*s234*s34*z2*z3) + (2*s1234*s13*z4^2)/
    (s123*s234*s34*z2*z3) + (2*s1234*s23*z4^2)/(s123*s234*s34*z2*z3) + 
   (2*s1234*z4^2)/(s24*s34*z2*z3) + (2*s1234*s23^2*z4^2)/
    (s234^2*s24*s34*z2*z3) - (4*s1234*s23*z4^2)/(s234*s24*s34*z2*z3) + 
   (4*s1234*s24*z4^2)/(s234^2*s34*z2*z3) + (4*s1234*s34*z4^2)/
    (s234^2*s24*z2*z3)) + k3k1*((2*s1234)/(s12*s123) - (D*s1234)/(s12*s123) - 
   (2*s1234)/(s12*s13) + (D*s1234)/(2*s12*s13) - (7*s1234)/(s123*s13) + 
   (2*s1234*s23)/(s12*s123*s13) - (D*s1234*s23)/(2*s12*s123*s13) + 
   (4*s1234)/s234^2 - (D*s1234)/s234^2 - (12*s1234)/(s123*s234) + 
   (5*D*s1234)/(2*s123*s234) - (6*s1234)/(s13*s234) + (D*s1234)/(s13*s234) - 
   (10*s12*s1234)/(s123*s13*s234) + (3*D*s12*s1234)/(2*s123*s13*s234) - 
   (s1234*s14)/(s12*s123*s234) + (D*s1234*s14)/(s12*s123*s234) - 
   (3*s1234*s14)/(s123*s13*s234) + (D*s1234*s14)/(s123*s13*s234) + 
   (6*s1234*s23)/(s12*s123*s234) - (3*D*s1234*s23)/(2*s12*s123*s234) + 
   (13*s1234*s23)/(s123*s13*s234) - (5*D*s1234*s23)/(s123*s13*s234) + 
   (D^2*s1234*s23)/(2*s123*s13*s234) + (2*s1234)/(s13*s24) - 
   (D*s1234)/(2*s13*s24) - (4*s1234*s14)/(s12*s13*s24) + 
   (D*s1234*s14)/(s12*s13*s24) + (4*s1234*s23)/(s234^2*s24) - 
   (3*D*s1234*s23)/(s234^2*s24) + (D^2*s1234*s23)/(2*s234^2*s24) - 
   (4*s12*s1234)/(s13*s234*s24) + (D*s12*s1234)/(s13*s234*s24) - 
   (4*s1234*s14)/(s12*s234*s24) + (2*D*s1234*s14)/(s12*s234*s24) + 
   (s1234*s14)/(s123*s234*s24) + (s12*s1234*s14)/(s123*s13*s234*s24) + 
   (2*s1234*s14^2)/(s12*s123*s234*s24) + (2*s1234*s14^2)/
    (s123*s13*s234*s24) + (6*s1234*s23)/(s13*s234*s24) - 
   (7*D*s1234*s23)/(2*s13*s234*s24) + (D^2*s1234*s23)/(2*s13*s234*s24) + 
   (s1234*s14*s23)/(s123*s13*s234*s24) + (2*s1234*s24)/(s12*s123*s234) - 
   (D*s1234*s24)/(2*s12*s123*s234) - (3*s1234*s24)/(s123*s13*s234) + 
   (D*s1234*s24)/(2*s123*s13*s234) + (2*s1234)/(s12*s34) + 
   (2*s1234*s14)/(s12*s123*s34) - (3*s1234*s14)/(s12*s13*s34) + 
   (2*s1234*s14)/(s123*s13*s34) + (12*s1234*s23)/(s12*s13*s34) - 
   (5*D*s1234*s23)/(s12*s13*s34) + (D^2*s1234*s23)/(2*s12*s13*s34) - 
   (s1234*s14*s23)/(s12*s123*s13*s34) + (8*s1234*s23)/(s234^2*s34) - 
   (4*D*s1234*s23)/(s234^2*s34) + (D^2*s1234*s23)/(2*s234^2*s34) - 
   (2*s1234*s13)/(s12*s234*s34) + (D*s1234*s13)/(s12*s234*s34) - 
   (4*s1234*s14)/(s12*s234*s34) + (2*D*s1234*s14)/(s12*s234*s34) + 
   (s1234*s14)/(s123*s234*s34) + (2*s1234*s14)/(s13*s234*s34) - 
   (s12*s1234*s14)/(s123*s13*s234*s34) + (2*s1234*s13*s14)/
    (s12*s123*s234*s34) + (2*s1234*s14^2)/(s12*s123*s234*s34) + 
   (2*s1234*s14^2)/(s123*s13*s234*s34) + (12*s1234*s23)/(s12*s234*s34) - 
   (5*D*s1234*s23)/(s12*s234*s34) + (D^2*s1234*s23)/(2*s12*s234*s34) + 
   (12*s1234*s23)/(s13*s234*s34) - (5*D*s1234*s23)/(s13*s234*s34) + 
   (D^2*s1234*s23)/(2*s13*s234*s34) - (5*s1234*s14*s23)/(s12*s123*s234*s34) + 
   (D*s1234*s14*s23)/(s12*s123*s234*s34) - (6*s1234*s14*s23)/
    (s123*s13*s234*s34) + (D*s1234*s14*s23)/(s123*s13*s234*s34) + 
   (s1234*s14)/(s13*s24*s34) + (2*s1234*s14^2)/(s12*s13*s24*s34) - 
   (4*s1234*s14*s23)/(s12*s13*s24*s34) + (D*s1234*s14*s23)/
    (s12*s13*s24*s34) - (2*s1234*s14*s23)/(s12*s234*s24*s34) + 
   (D*s1234*s14*s23)/(s12*s234*s24*s34) + (s1234*s14*s23)/
    (s13*s234*s24*s34) + (12*s1234*s24)/(s12*s123*s34) - 
   (2*D*s1234*s24)/(s12*s123*s34) + (12*s1234*s23*s24)/(s12*s123*s13*s34) - 
   (5*D*s1234*s23*s24)/(s12*s123*s13*s34) + (D^2*s1234*s23*s24)/
    (2*s12*s123*s13*s34) + (6*s1234*s24)/(s234^2*s34) - 
   (2*D*s1234*s24)/(s234^2*s34) + (9*s1234*s24)/(s12*s234*s34) - 
   (2*D*s1234*s24)/(s12*s234*s34) + (9*s1234*s24)/(s123*s234*s34) - 
   (2*D*s1234*s24)/(s123*s234*s34) + (7*s1234*s13*s24)/(s12*s123*s234*s34) - 
   (D*s1234*s13*s24)/(s12*s123*s234*s34) + (3*s1234*s14*s24)/
    (s12*s123*s234*s34) - (s1234*s14*s24)/(s123*s13*s234*s34) - 
   (s1234*s23*s24)/(s12*s123*s234*s34) + (12*s1234*s23*s24)/
    (s123*s13*s234*s34) - (5*D*s1234*s23*s24)/(s123*s13*s234*s34) + 
   (D^2*s1234*s23*s24)/(2*s123*s13*s234*s34) + 
   (2*s1234*s34)/(s12*s123*s234) - (D*s1234*s34)/(2*s12*s123*s234) - 
   (7*s1234*s34)/(s123*s13*s234) + (3*D*s1234*s34)/(2*s123*s13*s234) + 
   (2*s1234*s34)/(s234^2*s24) - (D*s1234*s34)/(s234^2*s24) - 
   (2*s1234*s34)/(s123*s234*s24) + (D*s1234*s34)/(2*s123*s234*s24) - 
   (2*s12*s1234*s34)/(s123*s13*s234*s24) + (D*s12*s1234*s34)/
    (2*s123*s13*s234*s24) - (4*s1234*s14*s34)/(s12*s123*s234*s24) + 
   (D*s1234*s14*s34)/(s12*s123*s234*s24) - (2*s1234*s14*s34)/
    (s123*s13*s234*s24) + (D*s1234*s14*s34)/(s123*s13*s234*s24) - 
   (2*s1234*s23*s34)/(s123*s13*s234*s24) + (D*s1234*s23*s34)/
    (2*s123*s13*s234*s24) - (4*s1234*s34^2)/(s123*s13*s234*s24) + 
   (D*s1234*s34^2)/(s123*s13*s234*s24) - (8*s1234*z1)/(s12*s123*z2) + 
   (2*D*s1234*z1)/(s12*s123*z2) + (4*s1234*z1)/(s12*s13*z2) - 
   (D*s1234*z1)/(s12*s13*z2) - (8*s1234*z1)/(s123*s13*z2) + 
   (2*D*s1234*z1)/(s123*s13*z2) - (4*s1234*s23*z1)/(s12*s123*s13*z2) + 
   (D*s1234*s23*z1)/(s12*s123*s13*z2) + (4*s1234*z1)/(s12*s234*z2) - 
   (2*D*s1234*z1)/(s12*s234*z2) + (s1234*z1)/(s123*s234*z2) - 
   (2*s1234*z1)/(s13*s234*z2) + (s12*s1234*z1)/(s123*s13*s234*z2) - 
   (2*s1234*s14*z1)/(s12*s123*s234*z2) - (2*s1234*s14*z1)/
    (s123*s13*s234*z2) + (4*s1234*s23*z1)/(s12*s123*s234*z2) - 
   (D*s1234*s23*z1)/(s12*s123*s234*z2) + (5*s1234*s23*z1)/
    (s123*s13*s234*z2) - (D*s1234*s23*z1)/(s123*s13*s234*z2) + 
   (s1234*s24*z1)/(s12*s123*s234*z2) - (D*s1234*s24*z1)/(s12*s123*s234*z2) + 
   (3*s1234*s24*z1)/(s123*s13*s234*z2) - (D*s1234*s24*z1)/
    (s123*s13*s234*z2) - (4*s1234*z1)/(s12*s34*z2) + 
   (2*D*s1234*z1)/(s12*s34*z2) + (s1234*z1)/(s13*s34*z2) + 
   (4*s1234*s14*z1)/(s12*s123*s34*z2) - (2*s1234*s14*z1)/(s12*s13*s34*z2) + 
   (4*s1234*s14*z1)/(s123*s13*s34*z2) + (2*s1234*s14*s23*z1)/
    (s12*s123*s13*s34*z2) + (4*s1234*s23*z1)/(s12*s234*s34*z2) - 
   (2*D*s1234*s23*z1)/(s12*s234*s34*z2) - (s1234*s23*z1)/(s13*s234*s34*z2) - 
   (2*s1234*s14*s23*z1)/(s12*s123*s234*s34*z2) - 
   (2*s1234*s14*s23*z1)/(s123*s13*s234*s34*z2) + 
   (2*s1234*s24*z1)/(s12*s123*s34*z2) + (s1234*s24*z1)/(s12*s13*s34*z2) - 
   (s1234*s23*s24*z1)/(s12*s123*s13*s34*z2) + 
   (4*s1234*s24*z1)/(s12*s234*s34*z2) - (2*D*s1234*s24*z1)/
    (s12*s234*s34*z2) - (s1234*s24*z1)/(s123*s234*s34*z2) - 
   (s12*s1234*s24*z1)/(s123*s13*s234*s34*z2) - (2*s1234*s14*s24*z1)/
    (s12*s123*s234*s34*z2) - (2*s1234*s14*s24*z1)/(s123*s13*s234*s34*z2) - 
   (3*s1234*s23*s24*z1)/(s12*s123*s234*s34*z2) - 
   (2*s1234*s23*s24*z1)/(s123*s13*s234*s34*z2) - 
   (3*s1234*s24^2*z1)/(s12*s123*s234*s34*z2) - 
   (s1234*s24^2*z1)/(s123*s13*s234*s34*z2) + (4*s1234*s34*z1)/
    (s12*s123*s234*z2) - (D*s1234*s34*z1)/(s12*s123*s234*z2) + 
   (4*s1234*s34*z1)/(s123*s13*s234*z2) - (D*s1234*s34*z1)/
    (s123*s13*s234*z2) - (2*s1234*z1)/(s12*s123*z3) + 
   (s1234*z1)/(s12*s13*z3) - (4*s1234*z1)/(s123*s13*z3) - 
   (s1234*s23*z1)/(s12*s123*s13*z3) - (2*s1234*z1)/(s12*s234*z3) + 
   (s1234*z1)/(s123*s234*z3) + (s1234*s13*z1)/(s12*s123*s234*z3) + 
   (2*s1234*s23*z1)/(s12*s123*s234*z3) + (3*s1234*s23*z1)/
    (s123*s13*s234*z3) + (s1234*s24*z1)/(s12*s123*s234*z3) + 
   (3*s1234*s24*z1)/(s123*s13*s234*z3) + (s1234*z1)/(s12*s34*z3) - 
   (s1234*s23*z1)/(s12*s234*s34*z3) - (s1234*s24*z1)/(s123*s234*s34*z3) - 
   (s1234*s13*s24*z1)/(s12*s123*s234*s34*z3) - 
   (s1234*s23*s24*z1)/(s12*s123*s234*s34*z3) + 
   (s1234*s34*z1)/(s12*s123*s234*z3) + (3*s1234*s34*z1)/(s123*s13*s234*z3) - 
   (4*s1234*z2)/(s234^2*z3) + (D*s1234*z2)/(s234^2*z3) - 
   (5*s1234*z2)/(s12*s234*z3) + (D*s1234*z2)/(s12*s234*z3) + 
   (5*s1234*z2)/(s123*s234*z3) - (D*s1234*z2)/(s123*s234*z3) + 
   (5*s1234*s13*z2)/(s12*s123*s234*z3) - (D*s1234*s13*z2)/
    (s12*s123*s234*z3) - (s1234*s14*z2)/(s12*s123*s234*z3) - 
   (s1234*s14*z2)/(s123*s13*s234*z3) + (5*s1234*s23*z2)/(s12*s123*s234*z3) - 
   (D*s1234*s23*z2)/(s12*s123*s234*z3) + (s1234*s14*z2)/(s12*s13*s24*z3) - 
   (s1234*s14*s23*z2)/(s12*s123*s13*s24*z3) - 
   (4*s1234*s23*z2)/(s234^2*s24*z3) + (D*s1234*s23*z2)/(s234^2*s24*z3) + 
   (4*s1234*z2)/(s234*s24*z3) - (D*s1234*z2)/(s234*s24*z3) + 
   (2*s1234*s14*z2)/(s12*s234*s24*z3) - (s1234*s14*z2)/(s123*s234*s24*z3) - 
   (s1234*s13*s14*z2)/(s12*s123*s234*s24*z3) - (2*s1234*s14*s23*z2)/
    (s12*s123*s234*s24*z3) - (s1234*s14*s23*z2)/(s123*s13*s234*s24*z3) + 
   (s1234*s14*z2)/(s123*s234*s34*z3) + (s1234*s13*s14*z2)/
    (s12*s123*s234*s34*z3) + (s1234*s14*s23*z2)/(s12*s123*s234*s34*z3) - 
   (s1234*s14*z2)/(s12*s24*s34*z3) + (s1234*s14*s23*z2)/
    (s12*s234*s24*s34*z3) + (s1234*s34*z2)/(s123*s13*s234*z3) - 
   (s1234*s34*z2)/(s123*s13*s24*z3) - (4*s1234*s34*z2)/(s234^2*s24*z3) + 
   (D*s1234*s34*z2)/(s234^2*s24*z3) - (s1234*s14*s34*z2)/
    (s12*s123*s234*s24*z3) - (s1234*s14*s34*z2)/(s123*s13*s234*s24*z3) + 
   (s1234*s23*s34*z2)/(s123*s13*s234*s24*z3) + 
   (s1234*s34^2*z2)/(s123*s13*s234*s24*z3) - (4*s1234*z3)/(s123*s13*z2) + 
   (D*s1234*z3)/(s123*s13*z2) - (2*s1234*z3)/(s234^2*z2) + 
   (D*s1234*z3)/(s234^2*z2) + (2*s1234*z3)/(s123*s234*z2) - 
   (D*s1234*z3)/(2*s123*s234*z2) + (2*s12*s1234*z3)/(s123*s13*s234*z2) - 
   (D*s12*s1234*z3)/(2*s123*s13*s234*z2) - (2*s1234*s14*z3)/
    (s123*s13*s234*z2) + (6*s1234*s23*z3)/(s123*s13*s234*z2) - 
   (3*D*s1234*s23*z3)/(2*s123*s13*s234*z2) - (2*s1234*s24*z3)/
    (s12*s123*s234*z2) + (D*s1234*s24*z3)/(2*s12*s123*s234*z2) + 
   (6*s1234*s24*z3)/(s123*s13*s234*z2) - (3*D*s1234*s24*z3)/
    (2*s123*s13*s234*z2) - (2*s1234*z3)/(s13*s34*z2) + 
   (D*s1234*z3)/(2*s13*s34*z2) + (2*s1234*s14*z3)/(s123*s13*s34*z2) - 
   (2*s1234*s23*z3)/(s234^2*s34*z2) + (D*s1234*s23*z3)/(s234^2*s34*z2) + 
   (2*s1234*z3)/(s234*s34*z2) - (D*s1234*z3)/(s234*s34*z2) - 
   (2*s1234*s14*z3)/(s123*s234*s34*z2) + (2*s1234*s14*z3)/(s13*s234*s34*z2) - 
   (2*s12*s1234*s14*z3)/(s123*s13*s234*s34*z2) + 
   (2*s1234*s23*z3)/(s13*s234*s34*z2) - (D*s1234*s23*z3)/
    (2*s13*s234*s34*z2) - (4*s1234*s14*s23*z3)/(s123*s13*s234*s34*z2) + 
   (2*s1234*s24*z3)/(s12*s13*s34*z2) - (D*s1234*s24*z3)/(2*s12*s13*s34*z2) - 
   (4*s1234*s24*z3)/(s123*s13*s34*z2) + (D*s1234*s24*z3)/(s123*s13*s34*z2) - 
   (2*s1234*s23*s24*z3)/(s12*s123*s13*s34*z2) + 
   (D*s1234*s23*s24*z3)/(2*s12*s123*s13*s34*z2) - 
   (2*s1234*s24*z3)/(s234^2*s34*z2) + (D*s1234*s24*z3)/(s234^2*s34*z2) - 
   (2*s1234*s24*z3)/(s123*s234*s34*z2) + (D*s1234*s24*z3)/
    (2*s123*s234*s34*z2) + (4*s1234*s24*z3)/(s13*s234*s34*z2) - 
   (D*s1234*s24*z3)/(s13*s234*s34*z2) - (2*s12*s1234*s24*z3)/
    (s123*s13*s234*s34*z2) + (D*s12*s1234*s24*z3)/(2*s123*s13*s234*s34*z2) - 
   (2*s1234*s14*s24*z3)/(s123*s13*s234*s34*z2) - 
   (2*s1234*s23*s24*z3)/(s12*s123*s234*s34*z2) + 
   (D*s1234*s23*s24*z3)/(2*s12*s123*s234*s34*z2) - 
   (2*s1234*s24^2*z3)/(s12*s123*s234*s34*z2) + 
   (D*s1234*s24^2*z3)/(2*s12*s123*s234*s34*z2) + 
   (2*s1234*s24^2*z3)/(s123*s13*s234*s34*z2) - 
   (D*s1234*s24^2*z3)/(2*s123*s13*s234*s34*z2) + 
   (4*s1234*s34*z3)/(s123*s13*s234*z2) - (D*s1234*s34*z3)/
    (s123*s13*s234*z2) - (6*s1234*z4)/(s234^2*z2) + 
   (4*D*s1234*z4)/(s234^2*z2) + (7*s1234*z4)/(s123*s234*z2) - 
   (D*s1234*z4)/(s123*s234*z2) - (8*s1234*z4)/(s13*s234*z2) + 
   (2*D*s1234*z4)/(s13*s234*z2) + (5*s12*s1234*z4)/(s123*s13*s234*z2) - 
   (D*s12*s1234*z4)/(s123*s13*s234*z2) + (2*s1234*s23*z4)/
    (s12*s123*s234*z2) - (D*s1234*s23*z4)/(2*s12*s123*s234*z2) + 
   (2*s1234*s23*z4)/(s123*s13*s234*z2) - (D*s1234*s23*z4)/
    (2*s123*s13*s234*z2) + (4*s1234*z4)/(s13*s24*z2) - 
   (D*s1234*z4)/(s13*s24*z2) - (6*s1234*s23*z4)/(s234^2*s24*z2) + 
   (3*D*s1234*s23*z4)/(s234^2*s24*z2) + (4*s1234*z4)/(s234*s24*z2) - 
   (2*D*s1234*z4)/(s234*s24*z2) - (s12*s1234*z4)/(s123*s234*s24*z2) + 
   (2*s12*s1234*z4)/(s13*s234*s24*z2) - (s12^2*s1234*z4)/
    (s123*s13*s234*s24*z2) - (2*s1234*s14*z4)/(s123*s234*s24*z2) + 
   (4*s1234*s14*z4)/(s13*s234*s24*z2) - (2*s12*s1234*s14*z4)/
    (s123*s13*s234*s24*z2) + (2*s1234*s23*z4)/(s123*s234*s24*z2) - 
   (D*s1234*s23*z4)/(2*s123*s234*s24*z2) - (8*s1234*s23*z4)/
    (s13*s234*s24*z2) + (2*D*s1234*s23*z4)/(s13*s234*s24*z2) + 
   (s12*s1234*s23*z4)/(s123*s13*s234*s24*z2) - (D*s12*s1234*s23*z4)/
    (2*s123*s13*s234*s24*z2) - (2*s1234*s14*s23*z4)/(s123*s13*s234*s24*z2) + 
   (2*s1234*s23^2*z4)/(s123*s13*s234*s24*z2) - 
   (D*s1234*s23^2*z4)/(2*s123*s13*s234*s24*z2) - (2*s1234*z4)/(s123*s34*z2) - 
   (s1234*z4)/(s13*s34*z2) - (2*s1234*s23*z4)/(s12*s13*s34*z2) + 
   (D*s1234*s23*z4)/(2*s12*s13*s34*z2) + (5*s1234*s23*z4)/(s123*s13*s34*z2) - 
   (D*s1234*s23*z4)/(s123*s13*s34*z2) + (2*s1234*s23^2*z4)/
    (s12*s123*s13*s34*z2) - (D*s1234*s23^2*z4)/(2*s12*s123*s13*s34*z2) - 
   (4*s1234*s23*z4)/(s234^2*s34*z2) + (3*D*s1234*s23*z4)/(s234^2*s34*z2) - 
   (2*D*s1234*z4)/(s234*s34*z2) + (3*s12*s1234*z4)/(s123*s234*s34*z2) + 
   (s12^2*s1234*z4)/(s123*s13*s234*s34*z2) + (2*s1234*s13*z4)/
    (s123*s234*s34*z2) - (2*s1234*s14*z4)/(s123*s234*s34*z2) + 
   (4*s1234*s14*z4)/(s13*s234*s34*z2) - (2*s12*s1234*s14*z4)/
    (s123*s13*s234*s34*z2) + (7*s1234*s23*z4)/(s123*s234*s34*z2) - 
   (D*s1234*s23*z4)/(2*s123*s234*s34*z2) - (4*s1234*s23*z4)/
    (s13*s234*s34*z2) + (D*s1234*s23*z4)/(s13*s234*s34*z2) + 
   (4*s12*s1234*s23*z4)/(s123*s13*s234*s34*z2) - 
   (D*s12*s1234*s23*z4)/(2*s123*s13*s234*s34*z2) - 
   (2*s1234*s14*s23*z4)/(s123*s13*s234*s34*z2) + 
   (2*s1234*s23^2*z4)/(s12*s123*s234*s34*z2) - 
   (D*s1234*s23^2*z4)/(2*s12*s123*s234*s34*z2) - 
   (s12*s1234*z4)/(s13*s24*s34*z2) - (2*s1234*s14*z4)/(s13*s24*s34*z2) + 
   (2*s1234*s23*z4)/(s13*s24*s34*z2) - (D*s1234*s23*z4)/(2*s13*s24*s34*z2) - 
   (2*s1234*s23^2*z4)/(s234^2*s24*s34*z2) + (D*s1234*s23^2*z4)/
    (s234^2*s24*s34*z2) + (2*s1234*s23*z4)/(s234*s24*s34*z2) - 
   (D*s1234*s23*z4)/(s234*s24*s34*z2) + (s12*s1234*s23*z4)/
    (s13*s234*s24*s34*z2) + (2*s1234*s14*s23*z4)/(s13*s234*s24*s34*z2) - 
   (2*s1234*s23^2*z4)/(s13*s234*s24*s34*z2) + (D*s1234*s23^2*z4)/
    (2*s13*s234*s24*s34*z2) - (2*s1234*s24*z4)/(s234^2*s34*z2) + 
   (2*D*s1234*s24*z4)/(s234^2*s34*z2) + (3*s1234*s24*z4)/(s123*s234*s34*z2) + 
   (s12*s1234*s24*z4)/(s123*s13*s234*s34*z2) + (2*s1234*s23*s24*z4)/
    (s12*s123*s234*s34*z2) - (D*s1234*s23*s24*z4)/(2*s12*s123*s234*s34*z2) - 
   (2*s1234*s23*s24*z4)/(s123*s13*s234*s34*z2) + 
   (D*s1234*s23*s24*z4)/(2*s123*s13*s234*s34*z2) - 
   (4*s1234*s34*z4)/(s234^2*s24*z2) + (2*D*s1234*s34*z4)/(s234^2*s24*z2) + 
   (4*s1234*s34*z4)/(s123*s234*s24*z2) - (D*s1234*s34*z4)/
    (s123*s234*s24*z2) - (8*s1234*s34*z4)/(s13*s234*s24*z2) + 
   (2*D*s1234*s34*z4)/(s13*s234*s24*z2) + (4*s12*s1234*s34*z4)/
    (s123*s13*s234*s24*z2) - (D*s12*s1234*s34*z4)/(s123*s13*s234*s24*z2) + 
   (4*s1234*s23*s34*z4)/(s123*s13*s234*s24*z2) - 
   (D*s1234*s23*s34*z4)/(s123*s13*s234*s24*z2) + (4*s1234*z4)/(s234^2*z3) - 
   (s1234*z4)/(s123*s234*z3) + (s12*s1234*z4)/(s123*s13*s234*z3) - 
   (2*s1234*s13*z4)/(s12*s123*s234*z3) - (2*s1234*s23*z4)/
    (s12*s123*s234*z3) - (s1234*s23*z4)/(s123*s13*s234*z3) - 
   (s1234*z4)/(s13*s24*z3) + (2*s1234*s23*z4)/(s123*s13*s24*z3) + 
   (4*s1234*s23*z4)/(s234^2*s24*z3) - (4*s1234*z4)/(s234*s24*z3) + 
   (s12*s1234*z4)/(s123*s234*s24*z3) + (s1234*s13*z4)/(s123*s234*s24*z3) + 
   (4*s1234*s14*z4)/(s12*s234*s24*z3) - (2*s1234*s14*z4)/(s123*s234*s24*z3) - 
   (2*s1234*s13*s14*z4)/(s12*s123*s234*s24*z3) + 
   (2*s1234*s23*z4)/(s123*s234*s24*z3) + (s12*s1234*s23*z4)/
    (s123*s13*s234*s24*z3) - (2*s1234*s14*s23*z4)/(s12*s123*s234*s24*z3) - 
   (s1234*s23^2*z4)/(s123*s13*s234*s24*z3) + (4*s1234*z4)/(s12*s34*z3) - 
   (2*s1234*z4)/(s123*s34*z3) - (2*s1234*s13*z4)/(s12*s123*s34*z3) - 
   (2*s1234*s23*z4)/(s12*s123*s34*z3) + (4*s1234*s23*z4)/(s234^2*s34*z3) - 
   (2*s1234*z4)/(s234*s34*z3) - (s12*s1234*z4)/(s123*s234*s34*z3) + 
   (2*s1234*s13*z4)/(s12*s234*s34*z3) - (3*s1234*s13*z4)/(s123*s234*s34*z3) - 
   (2*s1234*s13^2*z4)/(s12*s123*s234*s34*z3) + 
   (4*s1234*s14*z4)/(s12*s234*s34*z3) - (2*s1234*s14*z4)/(s123*s234*s34*z3) - 
   (2*s1234*s13*s14*z4)/(s12*s123*s234*s34*z3) - 
   (s1234*s23*z4)/(s12*s234*s34*z3) - (2*s1234*s23*z4)/(s123*s234*s34*z3) - 
   (3*s1234*s13*s23*z4)/(s12*s123*s234*s34*z3) - 
   (2*s1234*s14*s23*z4)/(s12*s123*s234*s34*z3) - 
   (s1234*s23^2*z4)/(s12*s123*s234*s34*z3) + (s1234*z4)/(s24*s34*z3) - 
   (2*s1234*s14*z4)/(s12*s24*s34*z3) + (2*s1234*s23^2*z4)/
    (s234^2*s24*s34*z3) - (3*s1234*s23*z4)/(s234*s24*s34*z3) + 
   (2*s1234*s14*s23*z4)/(s12*s234*s24*s34*z3) + 
   (2*s1234*s24*z4)/(s234^2*s34*z3) - (2*s1234*s24*z4)/(s123*s234*s34*z3) - 
   (2*s1234*s13*s24*z4)/(s12*s123*s234*s34*z3) - 
   (2*s1234*s23*s24*z4)/(s12*s123*s234*s34*z3) + 
   (2*s1234*s34*z4)/(s234^2*s24*z3) + (s1234*s34*z4)/(s123*s234*s24*z3) + 
   (s12*s1234*s34*z4)/(s123*s13*s234*s24*z3) - 
   (s1234*s23*s34*z4)/(s123*s13*s234*s24*z3) - 
   (4*s1234*z1*z4)/(s12*s234*z2*z3) + (2*s1234*z1*z4)/(s123*s234*z2*z3) + 
   (2*s1234*s13*z1*z4)/(s12*s123*s234*z2*z3) + (2*s1234*s23*z1*z4)/
    (s12*s123*s234*z2*z3) + (6*s1234*z1*z4)/(s12*s34*z2*z3) - 
   (4*s1234*z1*z4)/(s123*s34*z2*z3) - (4*s1234*s13*z1*z4)/
    (s12*s123*s34*z2*z3) - (4*s1234*s23*z1*z4)/(s12*s123*s34*z2*z3) - 
   (4*s1234*s23*z1*z4)/(s12*s234*s34*z2*z3) + (2*s1234*s23*z1*z4)/
    (s123*s234*s34*z2*z3) + (2*s1234*s13*s23*z1*z4)/
    (s12*s123*s234*s34*z2*z3) + (2*s1234*s23^2*z1*z4)/
    (s12*s123*s234*s34*z2*z3) - (4*s1234*s24*z1*z4)/(s12*s234*s34*z2*z3) + 
   (2*s1234*s24*z1*z4)/(s123*s234*s34*z2*z3) + (2*s1234*s13*s24*z1*z4)/
    (s12*s123*s234*s34*z2*z3) + (2*s1234*s23*s24*z1*z4)/
    (s12*s123*s234*s34*z2*z3) + (8*s1234*z4^2)/(s234^2*z2*z3) + 
   (6*s1234*s23*z4^2)/(s234^2*s24*z2*z3) - (8*s1234*z4^2)/(s234*s24*z2*z3) + 
   (2*s12*s1234*z4^2)/(s123*s234*s24*z2*z3) + (2*s1234*s13*z4^2)/
    (s123*s234*s24*z2*z3) + (2*s1234*s23*z4^2)/(s123*s234*s24*z2*z3) + 
   (6*s1234*s23*z4^2)/(s234^2*s34*z2*z3) - (8*s1234*z4^2)/(s234*s34*z2*z3) + 
   (2*s12*s1234*z4^2)/(s123*s234*s34*z2*z3) + (2*s1234*s13*z4^2)/
    (s123*s234*s34*z2*z3) + (2*s1234*s23*z4^2)/(s123*s234*s34*z2*z3) + 
   (2*s1234*z4^2)/(s24*s34*z2*z3) + (2*s1234*s23^2*z4^2)/
    (s234^2*s24*s34*z2*z3) - (4*s1234*s23*z4^2)/(s234*s24*s34*z2*z3) + 
   (4*s1234*s24*z4^2)/(s234^2*s34*z2*z3) + (4*s1234*s34*z4^2)/
    (s234^2*s24*z2*z3)) + k1k2*((-7*s1234)/(s12*s123) - (2*s1234)/(s12*s13) + 
   (D*s1234)/(2*s12*s13) + (2*s1234)/(s123*s13) - (D*s1234)/(s123*s13) + 
   (2*s1234*s23)/(s12*s123*s13) - (D*s1234*s23)/(2*s12*s123*s13) + 
   (4*s1234)/s234^2 - (D*s1234)/s234^2 - (6*s1234)/(s12*s234) + 
   (D*s1234)/(s12*s234) - (12*s1234)/(s123*s234) + 
   (5*D*s1234)/(2*s123*s234) - (10*s1234*s13)/(s12*s123*s234) + 
   (3*D*s1234*s13)/(2*s12*s123*s234) - (3*s1234*s14)/(s12*s123*s234) + 
   (D*s1234*s14)/(s12*s123*s234) - (s1234*s14)/(s123*s13*s234) + 
   (D*s1234*s14)/(s123*s13*s234) + (13*s1234*s23)/(s12*s123*s234) - 
   (5*D*s1234*s23)/(s12*s123*s234) + (D^2*s1234*s23)/(2*s12*s123*s234) + 
   (6*s1234*s23)/(s123*s13*s234) - (3*D*s1234*s23)/(2*s123*s13*s234) + 
   (2*s1234)/(s13*s24) + (2*s1234*s14)/(s12*s123*s24) - 
   (3*s1234*s14)/(s12*s13*s24) + (2*s1234*s14)/(s123*s13*s24) + 
   (12*s1234*s23)/(s12*s13*s24) - (5*D*s1234*s23)/(s12*s13*s24) + 
   (D^2*s1234*s23)/(2*s12*s13*s24) - (s1234*s14*s23)/(s12*s123*s13*s24) + 
   (8*s1234*s23)/(s234^2*s24) - (4*D*s1234*s23)/(s234^2*s24) + 
   (D^2*s1234*s23)/(2*s234^2*s24) - (2*s12*s1234)/(s13*s234*s24) + 
   (D*s12*s1234)/(s13*s234*s24) + (2*s1234*s14)/(s12*s234*s24) + 
   (s1234*s14)/(s123*s234*s24) - (4*s1234*s14)/(s13*s234*s24) + 
   (2*D*s1234*s14)/(s13*s234*s24) + (2*s12*s1234*s14)/(s123*s13*s234*s24) - 
   (s1234*s13*s14)/(s12*s123*s234*s24) + (2*s1234*s14^2)/
    (s12*s123*s234*s24) + (2*s1234*s14^2)/(s123*s13*s234*s24) + 
   (12*s1234*s23)/(s12*s234*s24) - (5*D*s1234*s23)/(s12*s234*s24) + 
   (D^2*s1234*s23)/(2*s12*s234*s24) + (12*s1234*s23)/(s13*s234*s24) - 
   (5*D*s1234*s23)/(s13*s234*s24) + (D^2*s1234*s23)/(2*s13*s234*s24) - 
   (6*s1234*s14*s23)/(s12*s123*s234*s24) + (D*s1234*s14*s23)/
    (s12*s123*s234*s24) - (5*s1234*s14*s23)/(s123*s13*s234*s24) + 
   (D*s1234*s14*s23)/(s123*s13*s234*s24) - (7*s1234*s24)/(s12*s123*s234) + 
   (3*D*s1234*s24)/(2*s12*s123*s234) + (2*s1234*s24)/(s123*s13*s234) - 
   (D*s1234*s24)/(2*s123*s13*s234) + (2*s1234)/(s12*s34) - 
   (D*s1234)/(2*s12*s34) - (4*s1234*s14)/(s12*s13*s34) + 
   (D*s1234*s14)/(s12*s13*s34) + (4*s1234*s23)/(s234^2*s34) - 
   (3*D*s1234*s23)/(s234^2*s34) + (D^2*s1234*s23)/(2*s234^2*s34) - 
   (4*s1234*s13)/(s12*s234*s34) + (D*s1234*s13)/(s12*s234*s34) + 
   (s1234*s14)/(s123*s234*s34) - (4*s1234*s14)/(s13*s234*s34) + 
   (2*D*s1234*s14)/(s13*s234*s34) + (s1234*s13*s14)/(s12*s123*s234*s34) + 
   (2*s1234*s14^2)/(s12*s123*s234*s34) + (2*s1234*s14^2)/
    (s123*s13*s234*s34) + (6*s1234*s23)/(s12*s234*s34) - 
   (7*D*s1234*s23)/(2*s12*s234*s34) + (D^2*s1234*s23)/(2*s12*s234*s34) + 
   (s1234*s14*s23)/(s12*s123*s234*s34) + (s1234*s14)/(s12*s24*s34) + 
   (2*s1234*s14^2)/(s12*s13*s24*s34) - (4*s1234*s14*s23)/(s12*s13*s24*s34) + 
   (D*s1234*s14*s23)/(s12*s13*s24*s34) + (s1234*s14*s23)/(s12*s234*s24*s34) - 
   (2*s1234*s14*s23)/(s13*s234*s24*s34) + (D*s1234*s14*s23)/
    (s13*s234*s24*s34) + (2*s1234*s24)/(s234^2*s34) - 
   (D*s1234*s24)/(s234^2*s34) - (2*s1234*s24)/(s123*s234*s34) + 
   (D*s1234*s24)/(2*s123*s234*s34) - (2*s1234*s13*s24)/(s12*s123*s234*s34) + 
   (D*s1234*s13*s24)/(2*s12*s123*s234*s34) - (2*s1234*s14*s24)/
    (s12*s123*s234*s34) + (D*s1234*s14*s24)/(s12*s123*s234*s34) - 
   (4*s1234*s14*s24)/(s123*s13*s234*s34) + (D*s1234*s14*s24)/
    (s123*s13*s234*s34) - (2*s1234*s23*s24)/(s12*s123*s234*s34) + 
   (D*s1234*s23*s24)/(2*s12*s123*s234*s34) - 
   (4*s1234*s24^2)/(s12*s123*s234*s34) + (D*s1234*s24^2)/
    (s12*s123*s234*s34) - (3*s1234*s34)/(s12*s123*s234) + 
   (D*s1234*s34)/(2*s12*s123*s234) + (2*s1234*s34)/(s123*s13*s234) - 
   (D*s1234*s34)/(2*s123*s13*s234) + (12*s1234*s34)/(s123*s13*s24) - 
   (2*D*s1234*s34)/(s123*s13*s24) + (12*s1234*s23*s34)/(s12*s123*s13*s24) - 
   (5*D*s1234*s23*s34)/(s12*s123*s13*s24) + (D^2*s1234*s23*s34)/
    (2*s12*s123*s13*s24) + (6*s1234*s34)/(s234^2*s24) - 
   (2*D*s1234*s34)/(s234^2*s24) + (9*s1234*s34)/(s123*s234*s24) - 
   (2*D*s1234*s34)/(s123*s234*s24) + (9*s1234*s34)/(s13*s234*s24) - 
   (2*D*s1234*s34)/(s13*s234*s24) + (7*s12*s1234*s34)/(s123*s13*s234*s24) - 
   (D*s12*s1234*s34)/(s123*s13*s234*s24) - (s1234*s14*s34)/
    (s12*s123*s234*s24) + (3*s1234*s14*s34)/(s123*s13*s234*s24) + 
   (12*s1234*s23*s34)/(s12*s123*s234*s24) - (5*D*s1234*s23*s34)/
    (s12*s123*s234*s24) + (D^2*s1234*s23*s34)/(2*s12*s123*s234*s24) - 
   (s1234*s23*s34)/(s123*s13*s234*s24) - (4*s1234*z1)/(s12*s123*z2) + 
   (s1234*z1)/(s12*s13*z2) - (2*s1234*z1)/(s123*s13*z2) - 
   (s1234*s23*z1)/(s12*s123*s13*z2) + (s1234*z1)/(s123*s234*z2) - 
   (2*s1234*z1)/(s13*s234*z2) + (s12*s1234*z1)/(s123*s13*s234*z2) + 
   (3*s1234*s23*z1)/(s12*s123*s234*z2) + (2*s1234*s23*z1)/
    (s123*s13*s234*z2) + (s1234*z1)/(s13*s24*z2) - 
   (s1234*s23*z1)/(s13*s234*s24*z2) + (3*s1234*s24*z1)/(s12*s123*s234*z2) + 
   (s1234*s24*z1)/(s123*s13*s234*z2) + (3*s1234*s34*z1)/(s12*s123*s234*z2) + 
   (s1234*s34*z1)/(s123*s13*s234*z2) - (s1234*s34*z1)/(s123*s234*s24*z2) - 
   (s12*s1234*s34*z1)/(s123*s13*s234*s24*z2) - 
   (s1234*s23*s34*z1)/(s123*s13*s234*s24*z2) - (8*s1234*z1)/(s12*s123*z3) + 
   (2*D*s1234*z1)/(s12*s123*z3) + (4*s1234*z1)/(s12*s13*z3) - 
   (D*s1234*z1)/(s12*s13*z3) - (8*s1234*z1)/(s123*s13*z3) + 
   (2*D*s1234*z1)/(s123*s13*z3) - (4*s1234*s23*z1)/(s12*s123*s13*z3) + 
   (D*s1234*s23*z1)/(s12*s123*s13*z3) - (2*s1234*z1)/(s12*s234*z3) + 
   (s1234*z1)/(s123*s234*z3) + (4*s1234*z1)/(s13*s234*z3) - 
   (2*D*s1234*z1)/(s13*s234*z3) + (s1234*s13*z1)/(s12*s123*s234*z3) - 
   (2*s1234*s14*z1)/(s12*s123*s234*z3) - (2*s1234*s14*z1)/
    (s123*s13*s234*z3) + (5*s1234*s23*z1)/(s12*s123*s234*z3) - 
   (D*s1234*s23*z1)/(s12*s123*s234*z3) + (4*s1234*s23*z1)/
    (s123*s13*s234*z3) - (D*s1234*s23*z1)/(s123*s13*s234*z3) + 
   (s1234*z1)/(s12*s24*z3) - (4*s1234*z1)/(s13*s24*z3) + 
   (2*D*s1234*z1)/(s13*s24*z3) + (4*s1234*s14*z1)/(s12*s123*s24*z3) - 
   (2*s1234*s14*z1)/(s12*s13*s24*z3) + (4*s1234*s14*z1)/(s123*s13*s24*z3) + 
   (2*s1234*s14*s23*z1)/(s12*s123*s13*s24*z3) - 
   (s1234*s23*z1)/(s12*s234*s24*z3) + (4*s1234*s23*z1)/(s13*s234*s24*z3) - 
   (2*D*s1234*s23*z1)/(s13*s234*s24*z3) - (2*s1234*s14*s23*z1)/
    (s12*s123*s234*s24*z3) - (2*s1234*s14*s23*z1)/(s123*s13*s234*s24*z3) + 
   (4*s1234*s24*z1)/(s12*s123*s234*z3) - (D*s1234*s24*z1)/
    (s12*s123*s234*z3) + (4*s1234*s24*z1)/(s123*s13*s234*z3) - 
   (D*s1234*s24*z1)/(s123*s13*s234*z3) + (3*s1234*s34*z1)/
    (s12*s123*s234*z3) - (D*s1234*s34*z1)/(s12*s123*s234*z3) + 
   (s1234*s34*z1)/(s123*s13*s234*z3) - (D*s1234*s34*z1)/(s123*s13*s234*z3) + 
   (s1234*s34*z1)/(s12*s13*s24*z3) + (2*s1234*s34*z1)/(s123*s13*s24*z3) - 
   (s1234*s23*s34*z1)/(s12*s123*s13*s24*z3) - 
   (s1234*s34*z1)/(s123*s234*s24*z3) + (4*s1234*s34*z1)/(s13*s234*s24*z3) - 
   (2*D*s1234*s34*z1)/(s13*s234*s24*z3) - (s1234*s13*s34*z1)/
    (s12*s123*s234*s24*z3) - (2*s1234*s14*s34*z1)/(s12*s123*s234*s24*z3) - 
   (2*s1234*s14*s34*z1)/(s123*s13*s234*s24*z3) - 
   (2*s1234*s23*s34*z1)/(s12*s123*s234*s24*z3) - 
   (3*s1234*s23*s34*z1)/(s123*s13*s234*s24*z3) - 
   (s1234*s34^2*z1)/(s12*s123*s234*s24*z3) - (3*s1234*s34^2*z1)/
    (s123*s13*s234*s24*z3) - (4*s1234*z2)/(s12*s123*z3) + 
   (D*s1234*z2)/(s12*s123*z3) - (2*s1234*z2)/(s234^2*z3) + 
   (D*s1234*z2)/(s234^2*z3) + (2*s1234*z2)/(s123*s234*z3) - 
   (D*s1234*z2)/(2*s123*s234*z3) + (2*s1234*s13*z2)/(s12*s123*s234*z3) - 
   (D*s1234*s13*z2)/(2*s12*s123*s234*z3) - (2*s1234*s14*z2)/
    (s12*s123*s234*z3) + (6*s1234*s23*z2)/(s12*s123*s234*z3) - 
   (3*D*s1234*s23*z2)/(2*s12*s123*s234*z3) - (2*s1234*z2)/(s12*s24*z3) + 
   (D*s1234*z2)/(2*s12*s24*z3) + (2*s1234*s14*z2)/(s12*s123*s24*z3) - 
   (2*s1234*s23*z2)/(s234^2*s24*z3) + (D*s1234*s23*z2)/(s234^2*s24*z3) + 
   (2*s1234*z2)/(s234*s24*z3) - (D*s1234*z2)/(s234*s24*z3) + 
   (2*s1234*s14*z2)/(s12*s234*s24*z3) - (2*s1234*s14*z2)/(s123*s234*s24*z3) - 
   (2*s1234*s13*s14*z2)/(s12*s123*s234*s24*z3) + 
   (2*s1234*s23*z2)/(s12*s234*s24*z3) - (D*s1234*s23*z2)/
    (2*s12*s234*s24*z3) - (4*s1234*s14*s23*z2)/(s12*s123*s234*s24*z3) + 
   (4*s1234*s24*z2)/(s12*s123*s234*z3) - (D*s1234*s24*z2)/
    (s12*s123*s234*z3) + (6*s1234*s34*z2)/(s12*s123*s234*z3) - 
   (3*D*s1234*s34*z2)/(2*s12*s123*s234*z3) - (2*s1234*s34*z2)/
    (s123*s13*s234*z3) + (D*s1234*s34*z2)/(2*s123*s13*s234*z3) - 
   (4*s1234*s34*z2)/(s12*s123*s24*z3) + (D*s1234*s34*z2)/(s12*s123*s24*z3) + 
   (2*s1234*s34*z2)/(s12*s13*s24*z3) - (D*s1234*s34*z2)/(2*s12*s13*s24*z3) - 
   (2*s1234*s23*s34*z2)/(s12*s123*s13*s24*z3) + 
   (D*s1234*s23*s34*z2)/(2*s12*s123*s13*s24*z3) - 
   (2*s1234*s34*z2)/(s234^2*s24*z3) + (D*s1234*s34*z2)/(s234^2*s24*z3) + 
   (4*s1234*s34*z2)/(s12*s234*s24*z3) - (D*s1234*s34*z2)/(s12*s234*s24*z3) - 
   (2*s1234*s34*z2)/(s123*s234*s24*z3) + (D*s1234*s34*z2)/
    (2*s123*s234*s24*z3) - (2*s1234*s13*s34*z2)/(s12*s123*s234*s24*z3) + 
   (D*s1234*s13*s34*z2)/(2*s12*s123*s234*s24*z3) - 
   (2*s1234*s14*s34*z2)/(s12*s123*s234*s24*z3) - 
   (2*s1234*s23*s34*z2)/(s123*s13*s234*s24*z3) + 
   (D*s1234*s23*s34*z2)/(2*s123*s13*s234*s24*z3) + 
   (2*s1234*s34^2*z2)/(s12*s123*s234*s24*z3) - 
   (D*s1234*s34^2*z2)/(2*s12*s123*s234*s24*z3) - 
   (2*s1234*s34^2*z2)/(s123*s13*s234*s24*z3) + 
   (D*s1234*s34^2*z2)/(2*s123*s13*s234*s24*z3) - (4*s1234*z3)/(s234^2*z2) + 
   (D*s1234*z3)/(s234^2*z2) + (5*s1234*z3)/(s123*s234*z2) - 
   (D*s1234*z3)/(s123*s234*z2) - (5*s1234*z3)/(s13*s234*z2) + 
   (D*s1234*z3)/(s13*s234*z2) + (5*s12*s1234*z3)/(s123*s13*s234*z2) - 
   (D*s12*s1234*z3)/(s123*s13*s234*z2) - (s1234*s14*z3)/(s12*s123*s234*z2) - 
   (s1234*s14*z3)/(s123*s13*s234*z2) + (5*s1234*s23*z3)/(s123*s13*s234*z2) - 
   (D*s1234*s23*z3)/(s123*s13*s234*z2) + (s1234*s14*z3)/(s123*s234*s24*z2) + 
   (s12*s1234*s14*z3)/(s123*s13*s234*s24*z2) + 
   (s1234*s14*s23*z3)/(s123*s13*s234*s24*z2) + 
   (s1234*s24*z3)/(s12*s123*s234*z2) + (s1234*s14*z3)/(s12*s13*s34*z2) - 
   (s1234*s14*s23*z3)/(s12*s123*s13*s34*z2) - 
   (4*s1234*s23*z3)/(s234^2*s34*z2) + (D*s1234*s23*z3)/(s234^2*s34*z2) + 
   (4*s1234*z3)/(s234*s34*z2) - (D*s1234*z3)/(s234*s34*z2) - 
   (s1234*s14*z3)/(s123*s234*s34*z2) + (2*s1234*s14*z3)/(s13*s234*s34*z2) - 
   (s12*s1234*s14*z3)/(s123*s13*s234*s34*z2) - 
   (s1234*s14*s23*z3)/(s12*s123*s234*s34*z2) - (2*s1234*s14*s23*z3)/
    (s123*s13*s234*s34*z2) - (s1234*s14*z3)/(s13*s24*s34*z2) + 
   (s1234*s14*s23*z3)/(s13*s234*s24*s34*z2) - 
   (s1234*s24*z3)/(s12*s123*s34*z2) - (4*s1234*s24*z3)/(s234^2*s34*z2) + 
   (D*s1234*s24*z3)/(s234^2*s34*z2) - (s1234*s14*s24*z3)/
    (s12*s123*s234*s34*z2) - (s1234*s14*s24*z3)/(s123*s13*s234*s34*z2) + 
   (s1234*s23*s24*z3)/(s12*s123*s234*s34*z2) + 
   (s1234*s24^2*z3)/(s12*s123*s234*s34*z2) + (4*s1234*z4)/(s234^2*z2) - 
   (s1234*z4)/(s123*s234*z2) - (2*s12*s1234*z4)/(s123*s13*s234*z2) + 
   (s1234*s13*z4)/(s12*s123*s234*z2) - (s1234*s23*z4)/(s12*s123*s234*z2) - 
   (2*s1234*s23*z4)/(s123*s13*s234*z2) - (2*s1234*z4)/(s123*s24*z2) + 
   (4*s1234*z4)/(s13*s24*z2) - (2*s12*s1234*z4)/(s123*s13*s24*z2) - 
   (2*s1234*s23*z4)/(s123*s13*s24*z2) + (4*s1234*s23*z4)/(s234^2*s24*z2) - 
   (2*s1234*z4)/(s234*s24*z2) - (3*s12*s1234*z4)/(s123*s234*s24*z2) + 
   (2*s12*s1234*z4)/(s13*s234*s24*z2) - (2*s12^2*s1234*z4)/
    (s123*s13*s234*s24*z2) - (s1234*s13*z4)/(s123*s234*s24*z2) - 
   (2*s1234*s14*z4)/(s123*s234*s24*z2) + (4*s1234*s14*z4)/(s13*s234*s24*z2) - 
   (2*s12*s1234*s14*z4)/(s123*s13*s234*s24*z2) - 
   (2*s1234*s23*z4)/(s123*s234*s24*z2) - (s1234*s23*z4)/(s13*s234*s24*z2) - 
   (3*s12*s1234*s23*z4)/(s123*s13*s234*s24*z2) - 
   (2*s1234*s14*s23*z4)/(s123*s13*s234*s24*z2) - 
   (s1234*s23^2*z4)/(s123*s13*s234*s24*z2) - (s1234*z4)/(s12*s34*z2) + 
   (2*s1234*s23*z4)/(s12*s123*s34*z2) + (4*s1234*s23*z4)/(s234^2*s34*z2) - 
   (4*s1234*z4)/(s234*s34*z2) + (s12*s1234*z4)/(s123*s234*s34*z2) + 
   (s1234*s13*z4)/(s123*s234*s34*z2) - (2*s1234*s14*z4)/(s123*s234*s34*z2) + 
   (4*s1234*s14*z4)/(s13*s234*s34*z2) - (2*s12*s1234*s14*z4)/
    (s123*s13*s234*s34*z2) + (2*s1234*s23*z4)/(s123*s234*s34*z2) + 
   (s1234*s13*s23*z4)/(s12*s123*s234*s34*z2) - (2*s1234*s14*s23*z4)/
    (s123*s13*s234*s34*z2) - (s1234*s23^2*z4)/(s12*s123*s234*s34*z2) + 
   (s1234*z4)/(s24*s34*z2) - (2*s1234*s14*z4)/(s13*s24*s34*z2) + 
   (2*s1234*s23^2*z4)/(s234^2*s24*s34*z2) - (3*s1234*s23*z4)/
    (s234*s24*s34*z2) + (2*s1234*s14*s23*z4)/(s13*s234*s24*s34*z2) + 
   (2*s1234*s24*z4)/(s234^2*s34*z2) + (s1234*s24*z4)/(s123*s234*s34*z2) + 
   (s1234*s13*s24*z4)/(s12*s123*s234*s34*z2) - 
   (s1234*s23*s24*z4)/(s12*s123*s234*s34*z2) + 
   (2*s1234*s34*z4)/(s234^2*s24*z2) - (2*s1234*s34*z4)/(s123*s234*s24*z2) - 
   (2*s12*s1234*s34*z4)/(s123*s13*s234*s24*z2) - 
   (2*s1234*s23*s34*z4)/(s123*s13*s234*s24*z2) - (6*s1234*z4)/(s234^2*z3) + 
   (4*D*s1234*z4)/(s234^2*z3) - (8*s1234*z4)/(s12*s234*z3) + 
   (2*D*s1234*z4)/(s12*s234*z3) + (7*s1234*z4)/(s123*s234*z3) - 
   (D*s1234*z4)/(s123*s234*z3) + (5*s1234*s13*z4)/(s12*s123*s234*z3) - 
   (D*s1234*s13*z4)/(s12*s123*s234*z3) + (2*s1234*s23*z4)/
    (s12*s123*s234*z3) - (D*s1234*s23*z4)/(2*s12*s123*s234*z3) + 
   (2*s1234*s23*z4)/(s123*s13*s234*z3) - (D*s1234*s23*z4)/
    (2*s123*s13*s234*z3) - (s1234*z4)/(s12*s24*z3) - 
   (2*s1234*z4)/(s123*s24*z3) + (5*s1234*s23*z4)/(s12*s123*s24*z3) - 
   (D*s1234*s23*z4)/(s12*s123*s24*z3) - (2*s1234*s23*z4)/(s12*s13*s24*z3) + 
   (D*s1234*s23*z4)/(2*s12*s13*s24*z3) + (2*s1234*s23^2*z4)/
    (s12*s123*s13*s24*z3) - (D*s1234*s23^2*z4)/(2*s12*s123*s13*s24*z3) - 
   (4*s1234*s23*z4)/(s234^2*s24*z3) + (3*D*s1234*s23*z4)/(s234^2*s24*z3) - 
   (2*D*s1234*z4)/(s234*s24*z3) + (2*s12*s1234*z4)/(s123*s234*s24*z3) + 
   (3*s1234*s13*z4)/(s123*s234*s24*z3) + (s1234*s13^2*z4)/
    (s12*s123*s234*s24*z3) + (4*s1234*s14*z4)/(s12*s234*s24*z3) - 
   (2*s1234*s14*z4)/(s123*s234*s24*z3) - (2*s1234*s13*s14*z4)/
    (s12*s123*s234*s24*z3) - (4*s1234*s23*z4)/(s12*s234*s24*z3) + 
   (D*s1234*s23*z4)/(s12*s234*s24*z3) + (7*s1234*s23*z4)/(s123*s234*s24*z3) - 
   (D*s1234*s23*z4)/(2*s123*s234*s24*z3) + (4*s1234*s13*s23*z4)/
    (s12*s123*s234*s24*z3) - (D*s1234*s13*s23*z4)/(2*s12*s123*s234*s24*z3) - 
   (2*s1234*s14*s23*z4)/(s12*s123*s234*s24*z3) + 
   (2*s1234*s23^2*z4)/(s123*s13*s234*s24*z3) - 
   (D*s1234*s23^2*z4)/(2*s123*s13*s234*s24*z3) + (4*s1234*z4)/(s12*s34*z3) - 
   (D*s1234*z4)/(s12*s34*z3) - (6*s1234*s23*z4)/(s234^2*s34*z3) + 
   (3*D*s1234*s23*z4)/(s234^2*s34*z3) + (4*s1234*z4)/(s234*s34*z3) - 
   (2*D*s1234*z4)/(s234*s34*z3) + (2*s1234*s13*z4)/(s12*s234*s34*z3) - 
   (s1234*s13*z4)/(s123*s234*s34*z3) - (s1234*s13^2*z4)/
    (s12*s123*s234*s34*z3) + (4*s1234*s14*z4)/(s12*s234*s34*z3) - 
   (2*s1234*s14*z4)/(s123*s234*s34*z3) - (2*s1234*s13*s14*z4)/
    (s12*s123*s234*s34*z3) - (8*s1234*s23*z4)/(s12*s234*s34*z3) + 
   (2*D*s1234*s23*z4)/(s12*s234*s34*z3) + (2*s1234*s23*z4)/
    (s123*s234*s34*z3) - (D*s1234*s23*z4)/(2*s123*s234*s34*z3) + 
   (s1234*s13*s23*z4)/(s12*s123*s234*s34*z3) - (D*s1234*s13*s23*z4)/
    (2*s12*s123*s234*s34*z3) - (2*s1234*s14*s23*z4)/(s12*s123*s234*s34*z3) + 
   (2*s1234*s23^2*z4)/(s12*s123*s234*s34*z3) - 
   (D*s1234*s23^2*z4)/(2*s12*s123*s234*s34*z3) - 
   (s1234*s13*z4)/(s12*s24*s34*z3) - (2*s1234*s14*z4)/(s12*s24*s34*z3) + 
   (2*s1234*s23*z4)/(s12*s24*s34*z3) - (D*s1234*s23*z4)/(2*s12*s24*s34*z3) - 
   (2*s1234*s23^2*z4)/(s234^2*s24*s34*z3) + (D*s1234*s23^2*z4)/
    (s234^2*s24*s34*z3) + (2*s1234*s23*z4)/(s234*s24*s34*z3) - 
   (D*s1234*s23*z4)/(s234*s24*s34*z3) + (s1234*s13*s23*z4)/
    (s12*s234*s24*s34*z3) + (2*s1234*s14*s23*z4)/(s12*s234*s24*s34*z3) - 
   (2*s1234*s23^2*z4)/(s12*s234*s24*s34*z3) + (D*s1234*s23^2*z4)/
    (2*s12*s234*s24*s34*z3) - (4*s1234*s24*z4)/(s234^2*s34*z3) + 
   (2*D*s1234*s24*z4)/(s234^2*s34*z3) - (8*s1234*s24*z4)/(s12*s234*s34*z3) + 
   (2*D*s1234*s24*z4)/(s12*s234*s34*z3) + (4*s1234*s24*z4)/
    (s123*s234*s34*z3) - (D*s1234*s24*z4)/(s123*s234*s34*z3) + 
   (4*s1234*s13*s24*z4)/(s12*s123*s234*s34*z3) - 
   (D*s1234*s13*s24*z4)/(s12*s123*s234*s34*z3) + 
   (4*s1234*s23*s24*z4)/(s12*s123*s234*s34*z3) - 
   (D*s1234*s23*s24*z4)/(s12*s123*s234*s34*z3) - 
   (2*s1234*s34*z4)/(s234^2*s24*z3) + (2*D*s1234*s34*z4)/(s234^2*s24*z3) + 
   (3*s1234*s34*z4)/(s123*s234*s24*z3) + (s1234*s13*s34*z4)/
    (s12*s123*s234*s24*z3) - (2*s1234*s23*s34*z4)/(s12*s123*s234*s24*z3) + 
   (D*s1234*s23*s34*z4)/(2*s12*s123*s234*s24*z3) + 
   (2*s1234*s23*s34*z4)/(s123*s13*s234*s24*z3) - 
   (D*s1234*s23*s34*z4)/(2*s123*s13*s234*s24*z3) + 
   (2*s1234*z1*z4)/(s123*s234*z2*z3) - (4*s1234*z1*z4)/(s13*s234*z2*z3) + 
   (2*s12*s1234*z1*z4)/(s123*s13*s234*z2*z3) + (2*s1234*s23*z1*z4)/
    (s123*s13*s234*z2*z3) - (4*s1234*z1*z4)/(s123*s24*z2*z3) + 
   (6*s1234*z1*z4)/(s13*s24*z2*z3) - (4*s12*s1234*z1*z4)/
    (s123*s13*s24*z2*z3) - (4*s1234*s23*z1*z4)/(s123*s13*s24*z2*z3) + 
   (2*s1234*s23*z1*z4)/(s123*s234*s24*z2*z3) - (4*s1234*s23*z1*z4)/
    (s13*s234*s24*z2*z3) + (2*s12*s1234*s23*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (2*s1234*s23^2*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (2*s1234*s34*z1*z4)/(s123*s234*s24*z2*z3) - 
   (4*s1234*s34*z1*z4)/(s13*s234*s24*z2*z3) + (2*s12*s1234*s34*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (2*s1234*s23*s34*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (8*s1234*z4^2)/(s234^2*z2*z3) + 
   (6*s1234*s23*z4^2)/(s234^2*s24*z2*z3) - (8*s1234*z4^2)/(s234*s24*z2*z3) + 
   (2*s12*s1234*z4^2)/(s123*s234*s24*z2*z3) + (2*s1234*s13*z4^2)/
    (s123*s234*s24*z2*z3) + (2*s1234*s23*z4^2)/(s123*s234*s24*z2*z3) + 
   (6*s1234*s23*z4^2)/(s234^2*s34*z2*z3) - (8*s1234*z4^2)/(s234*s34*z2*z3) + 
   (2*s12*s1234*z4^2)/(s123*s234*s34*z2*z3) + (2*s1234*s13*z4^2)/
    (s123*s234*s34*z2*z3) + (2*s1234*s23*z4^2)/(s123*s234*s34*z2*z3) + 
   (2*s1234*z4^2)/(s24*s34*z2*z3) + (2*s1234*s23^2*z4^2)/
    (s234^2*s24*s34*z2*z3) - (4*s1234*s23*z4^2)/(s234*s24*s34*z2*z3) + 
   (4*s1234*s24*z4^2)/(s234^2*s34*z2*z3) + (4*s1234*s34*z4^2)/
    (s234^2*s24*z2*z3)) + k2k1*((-7*s1234)/(s12*s123) - (2*s1234)/(s12*s13) + 
   (D*s1234)/(2*s12*s13) + (2*s1234)/(s123*s13) - (D*s1234)/(s123*s13) + 
   (2*s1234*s23)/(s12*s123*s13) - (D*s1234*s23)/(2*s12*s123*s13) + 
   (4*s1234)/s234^2 - (D*s1234)/s234^2 - (6*s1234)/(s12*s234) + 
   (D*s1234)/(s12*s234) - (12*s1234)/(s123*s234) + 
   (5*D*s1234)/(2*s123*s234) - (10*s1234*s13)/(s12*s123*s234) + 
   (3*D*s1234*s13)/(2*s12*s123*s234) - (3*s1234*s14)/(s12*s123*s234) + 
   (D*s1234*s14)/(s12*s123*s234) - (s1234*s14)/(s123*s13*s234) + 
   (D*s1234*s14)/(s123*s13*s234) + (13*s1234*s23)/(s12*s123*s234) - 
   (5*D*s1234*s23)/(s12*s123*s234) + (D^2*s1234*s23)/(2*s12*s123*s234) + 
   (6*s1234*s23)/(s123*s13*s234) - (3*D*s1234*s23)/(2*s123*s13*s234) + 
   (2*s1234)/(s13*s24) + (2*s1234*s14)/(s12*s123*s24) - 
   (3*s1234*s14)/(s12*s13*s24) + (2*s1234*s14)/(s123*s13*s24) + 
   (12*s1234*s23)/(s12*s13*s24) - (5*D*s1234*s23)/(s12*s13*s24) + 
   (D^2*s1234*s23)/(2*s12*s13*s24) - (s1234*s14*s23)/(s12*s123*s13*s24) + 
   (8*s1234*s23)/(s234^2*s24) - (4*D*s1234*s23)/(s234^2*s24) + 
   (D^2*s1234*s23)/(2*s234^2*s24) - (2*s12*s1234)/(s13*s234*s24) + 
   (D*s12*s1234)/(s13*s234*s24) + (2*s1234*s14)/(s12*s234*s24) + 
   (s1234*s14)/(s123*s234*s24) - (4*s1234*s14)/(s13*s234*s24) + 
   (2*D*s1234*s14)/(s13*s234*s24) + (2*s12*s1234*s14)/(s123*s13*s234*s24) - 
   (s1234*s13*s14)/(s12*s123*s234*s24) + (2*s1234*s14^2)/
    (s12*s123*s234*s24) + (2*s1234*s14^2)/(s123*s13*s234*s24) + 
   (12*s1234*s23)/(s12*s234*s24) - (5*D*s1234*s23)/(s12*s234*s24) + 
   (D^2*s1234*s23)/(2*s12*s234*s24) + (12*s1234*s23)/(s13*s234*s24) - 
   (5*D*s1234*s23)/(s13*s234*s24) + (D^2*s1234*s23)/(2*s13*s234*s24) - 
   (6*s1234*s14*s23)/(s12*s123*s234*s24) + (D*s1234*s14*s23)/
    (s12*s123*s234*s24) - (5*s1234*s14*s23)/(s123*s13*s234*s24) + 
   (D*s1234*s14*s23)/(s123*s13*s234*s24) - (7*s1234*s24)/(s12*s123*s234) + 
   (3*D*s1234*s24)/(2*s12*s123*s234) + (2*s1234*s24)/(s123*s13*s234) - 
   (D*s1234*s24)/(2*s123*s13*s234) + (2*s1234)/(s12*s34) - 
   (D*s1234)/(2*s12*s34) - (4*s1234*s14)/(s12*s13*s34) + 
   (D*s1234*s14)/(s12*s13*s34) + (4*s1234*s23)/(s234^2*s34) - 
   (3*D*s1234*s23)/(s234^2*s34) + (D^2*s1234*s23)/(2*s234^2*s34) - 
   (4*s1234*s13)/(s12*s234*s34) + (D*s1234*s13)/(s12*s234*s34) + 
   (s1234*s14)/(s123*s234*s34) - (4*s1234*s14)/(s13*s234*s34) + 
   (2*D*s1234*s14)/(s13*s234*s34) + (s1234*s13*s14)/(s12*s123*s234*s34) + 
   (2*s1234*s14^2)/(s12*s123*s234*s34) + (2*s1234*s14^2)/
    (s123*s13*s234*s34) + (6*s1234*s23)/(s12*s234*s34) - 
   (7*D*s1234*s23)/(2*s12*s234*s34) + (D^2*s1234*s23)/(2*s12*s234*s34) + 
   (s1234*s14*s23)/(s12*s123*s234*s34) + (s1234*s14)/(s12*s24*s34) + 
   (2*s1234*s14^2)/(s12*s13*s24*s34) - (4*s1234*s14*s23)/(s12*s13*s24*s34) + 
   (D*s1234*s14*s23)/(s12*s13*s24*s34) + (s1234*s14*s23)/(s12*s234*s24*s34) - 
   (2*s1234*s14*s23)/(s13*s234*s24*s34) + (D*s1234*s14*s23)/
    (s13*s234*s24*s34) + (2*s1234*s24)/(s234^2*s34) - 
   (D*s1234*s24)/(s234^2*s34) - (2*s1234*s24)/(s123*s234*s34) + 
   (D*s1234*s24)/(2*s123*s234*s34) - (2*s1234*s13*s24)/(s12*s123*s234*s34) + 
   (D*s1234*s13*s24)/(2*s12*s123*s234*s34) - (2*s1234*s14*s24)/
    (s12*s123*s234*s34) + (D*s1234*s14*s24)/(s12*s123*s234*s34) - 
   (4*s1234*s14*s24)/(s123*s13*s234*s34) + (D*s1234*s14*s24)/
    (s123*s13*s234*s34) - (2*s1234*s23*s24)/(s12*s123*s234*s34) + 
   (D*s1234*s23*s24)/(2*s12*s123*s234*s34) - 
   (4*s1234*s24^2)/(s12*s123*s234*s34) + (D*s1234*s24^2)/
    (s12*s123*s234*s34) - (3*s1234*s34)/(s12*s123*s234) + 
   (D*s1234*s34)/(2*s12*s123*s234) + (2*s1234*s34)/(s123*s13*s234) - 
   (D*s1234*s34)/(2*s123*s13*s234) + (12*s1234*s34)/(s123*s13*s24) - 
   (2*D*s1234*s34)/(s123*s13*s24) + (12*s1234*s23*s34)/(s12*s123*s13*s24) - 
   (5*D*s1234*s23*s34)/(s12*s123*s13*s24) + (D^2*s1234*s23*s34)/
    (2*s12*s123*s13*s24) + (6*s1234*s34)/(s234^2*s24) - 
   (2*D*s1234*s34)/(s234^2*s24) + (9*s1234*s34)/(s123*s234*s24) - 
   (2*D*s1234*s34)/(s123*s234*s24) + (9*s1234*s34)/(s13*s234*s24) - 
   (2*D*s1234*s34)/(s13*s234*s24) + (7*s12*s1234*s34)/(s123*s13*s234*s24) - 
   (D*s12*s1234*s34)/(s123*s13*s234*s24) - (s1234*s14*s34)/
    (s12*s123*s234*s24) + (3*s1234*s14*s34)/(s123*s13*s234*s24) + 
   (12*s1234*s23*s34)/(s12*s123*s234*s24) - (5*D*s1234*s23*s34)/
    (s12*s123*s234*s24) + (D^2*s1234*s23*s34)/(2*s12*s123*s234*s24) - 
   (s1234*s23*s34)/(s123*s13*s234*s24) - (4*s1234*z1)/(s12*s123*z2) + 
   (s1234*z1)/(s12*s13*z2) - (2*s1234*z1)/(s123*s13*z2) - 
   (s1234*s23*z1)/(s12*s123*s13*z2) + (s1234*z1)/(s123*s234*z2) - 
   (2*s1234*z1)/(s13*s234*z2) + (s12*s1234*z1)/(s123*s13*s234*z2) + 
   (3*s1234*s23*z1)/(s12*s123*s234*z2) + (2*s1234*s23*z1)/
    (s123*s13*s234*z2) + (s1234*z1)/(s13*s24*z2) - 
   (s1234*s23*z1)/(s13*s234*s24*z2) + (3*s1234*s24*z1)/(s12*s123*s234*z2) + 
   (s1234*s24*z1)/(s123*s13*s234*z2) + (3*s1234*s34*z1)/(s12*s123*s234*z2) + 
   (s1234*s34*z1)/(s123*s13*s234*z2) - (s1234*s34*z1)/(s123*s234*s24*z2) - 
   (s12*s1234*s34*z1)/(s123*s13*s234*s24*z2) - 
   (s1234*s23*s34*z1)/(s123*s13*s234*s24*z2) - (8*s1234*z1)/(s12*s123*z3) + 
   (2*D*s1234*z1)/(s12*s123*z3) + (4*s1234*z1)/(s12*s13*z3) - 
   (D*s1234*z1)/(s12*s13*z3) - (8*s1234*z1)/(s123*s13*z3) + 
   (2*D*s1234*z1)/(s123*s13*z3) - (4*s1234*s23*z1)/(s12*s123*s13*z3) + 
   (D*s1234*s23*z1)/(s12*s123*s13*z3) - (2*s1234*z1)/(s12*s234*z3) + 
   (s1234*z1)/(s123*s234*z3) + (4*s1234*z1)/(s13*s234*z3) - 
   (2*D*s1234*z1)/(s13*s234*z3) + (s1234*s13*z1)/(s12*s123*s234*z3) - 
   (2*s1234*s14*z1)/(s12*s123*s234*z3) - (2*s1234*s14*z1)/
    (s123*s13*s234*z3) + (5*s1234*s23*z1)/(s12*s123*s234*z3) - 
   (D*s1234*s23*z1)/(s12*s123*s234*z3) + (4*s1234*s23*z1)/
    (s123*s13*s234*z3) - (D*s1234*s23*z1)/(s123*s13*s234*z3) + 
   (s1234*z1)/(s12*s24*z3) - (4*s1234*z1)/(s13*s24*z3) + 
   (2*D*s1234*z1)/(s13*s24*z3) + (4*s1234*s14*z1)/(s12*s123*s24*z3) - 
   (2*s1234*s14*z1)/(s12*s13*s24*z3) + (4*s1234*s14*z1)/(s123*s13*s24*z3) + 
   (2*s1234*s14*s23*z1)/(s12*s123*s13*s24*z3) - 
   (s1234*s23*z1)/(s12*s234*s24*z3) + (4*s1234*s23*z1)/(s13*s234*s24*z3) - 
   (2*D*s1234*s23*z1)/(s13*s234*s24*z3) - (2*s1234*s14*s23*z1)/
    (s12*s123*s234*s24*z3) - (2*s1234*s14*s23*z1)/(s123*s13*s234*s24*z3) + 
   (4*s1234*s24*z1)/(s12*s123*s234*z3) - (D*s1234*s24*z1)/
    (s12*s123*s234*z3) + (4*s1234*s24*z1)/(s123*s13*s234*z3) - 
   (D*s1234*s24*z1)/(s123*s13*s234*z3) + (3*s1234*s34*z1)/
    (s12*s123*s234*z3) - (D*s1234*s34*z1)/(s12*s123*s234*z3) + 
   (s1234*s34*z1)/(s123*s13*s234*z3) - (D*s1234*s34*z1)/(s123*s13*s234*z3) + 
   (s1234*s34*z1)/(s12*s13*s24*z3) + (2*s1234*s34*z1)/(s123*s13*s24*z3) - 
   (s1234*s23*s34*z1)/(s12*s123*s13*s24*z3) - 
   (s1234*s34*z1)/(s123*s234*s24*z3) + (4*s1234*s34*z1)/(s13*s234*s24*z3) - 
   (2*D*s1234*s34*z1)/(s13*s234*s24*z3) - (s1234*s13*s34*z1)/
    (s12*s123*s234*s24*z3) - (2*s1234*s14*s34*z1)/(s12*s123*s234*s24*z3) - 
   (2*s1234*s14*s34*z1)/(s123*s13*s234*s24*z3) - 
   (2*s1234*s23*s34*z1)/(s12*s123*s234*s24*z3) - 
   (3*s1234*s23*s34*z1)/(s123*s13*s234*s24*z3) - 
   (s1234*s34^2*z1)/(s12*s123*s234*s24*z3) - (3*s1234*s34^2*z1)/
    (s123*s13*s234*s24*z3) - (4*s1234*z2)/(s12*s123*z3) + 
   (D*s1234*z2)/(s12*s123*z3) - (2*s1234*z2)/(s234^2*z3) + 
   (D*s1234*z2)/(s234^2*z3) + (2*s1234*z2)/(s123*s234*z3) - 
   (D*s1234*z2)/(2*s123*s234*z3) + (2*s1234*s13*z2)/(s12*s123*s234*z3) - 
   (D*s1234*s13*z2)/(2*s12*s123*s234*z3) - (2*s1234*s14*z2)/
    (s12*s123*s234*z3) + (6*s1234*s23*z2)/(s12*s123*s234*z3) - 
   (3*D*s1234*s23*z2)/(2*s12*s123*s234*z3) - (2*s1234*z2)/(s12*s24*z3) + 
   (D*s1234*z2)/(2*s12*s24*z3) + (2*s1234*s14*z2)/(s12*s123*s24*z3) - 
   (2*s1234*s23*z2)/(s234^2*s24*z3) + (D*s1234*s23*z2)/(s234^2*s24*z3) + 
   (2*s1234*z2)/(s234*s24*z3) - (D*s1234*z2)/(s234*s24*z3) + 
   (2*s1234*s14*z2)/(s12*s234*s24*z3) - (2*s1234*s14*z2)/(s123*s234*s24*z3) - 
   (2*s1234*s13*s14*z2)/(s12*s123*s234*s24*z3) + 
   (2*s1234*s23*z2)/(s12*s234*s24*z3) - (D*s1234*s23*z2)/
    (2*s12*s234*s24*z3) - (4*s1234*s14*s23*z2)/(s12*s123*s234*s24*z3) + 
   (4*s1234*s24*z2)/(s12*s123*s234*z3) - (D*s1234*s24*z2)/
    (s12*s123*s234*z3) + (6*s1234*s34*z2)/(s12*s123*s234*z3) - 
   (3*D*s1234*s34*z2)/(2*s12*s123*s234*z3) - (2*s1234*s34*z2)/
    (s123*s13*s234*z3) + (D*s1234*s34*z2)/(2*s123*s13*s234*z3) - 
   (4*s1234*s34*z2)/(s12*s123*s24*z3) + (D*s1234*s34*z2)/(s12*s123*s24*z3) + 
   (2*s1234*s34*z2)/(s12*s13*s24*z3) - (D*s1234*s34*z2)/(2*s12*s13*s24*z3) - 
   (2*s1234*s23*s34*z2)/(s12*s123*s13*s24*z3) + 
   (D*s1234*s23*s34*z2)/(2*s12*s123*s13*s24*z3) - 
   (2*s1234*s34*z2)/(s234^2*s24*z3) + (D*s1234*s34*z2)/(s234^2*s24*z3) + 
   (4*s1234*s34*z2)/(s12*s234*s24*z3) - (D*s1234*s34*z2)/(s12*s234*s24*z3) - 
   (2*s1234*s34*z2)/(s123*s234*s24*z3) + (D*s1234*s34*z2)/
    (2*s123*s234*s24*z3) - (2*s1234*s13*s34*z2)/(s12*s123*s234*s24*z3) + 
   (D*s1234*s13*s34*z2)/(2*s12*s123*s234*s24*z3) - 
   (2*s1234*s14*s34*z2)/(s12*s123*s234*s24*z3) - 
   (2*s1234*s23*s34*z2)/(s123*s13*s234*s24*z3) + 
   (D*s1234*s23*s34*z2)/(2*s123*s13*s234*s24*z3) + 
   (2*s1234*s34^2*z2)/(s12*s123*s234*s24*z3) - 
   (D*s1234*s34^2*z2)/(2*s12*s123*s234*s24*z3) - 
   (2*s1234*s34^2*z2)/(s123*s13*s234*s24*z3) + 
   (D*s1234*s34^2*z2)/(2*s123*s13*s234*s24*z3) - (4*s1234*z3)/(s234^2*z2) + 
   (D*s1234*z3)/(s234^2*z2) + (5*s1234*z3)/(s123*s234*z2) - 
   (D*s1234*z3)/(s123*s234*z2) - (5*s1234*z3)/(s13*s234*z2) + 
   (D*s1234*z3)/(s13*s234*z2) + (5*s12*s1234*z3)/(s123*s13*s234*z2) - 
   (D*s12*s1234*z3)/(s123*s13*s234*z2) - (s1234*s14*z3)/(s12*s123*s234*z2) - 
   (s1234*s14*z3)/(s123*s13*s234*z2) + (5*s1234*s23*z3)/(s123*s13*s234*z2) - 
   (D*s1234*s23*z3)/(s123*s13*s234*z2) + (s1234*s14*z3)/(s123*s234*s24*z2) + 
   (s12*s1234*s14*z3)/(s123*s13*s234*s24*z2) + 
   (s1234*s14*s23*z3)/(s123*s13*s234*s24*z2) + 
   (s1234*s24*z3)/(s12*s123*s234*z2) + (s1234*s14*z3)/(s12*s13*s34*z2) - 
   (s1234*s14*s23*z3)/(s12*s123*s13*s34*z2) - 
   (4*s1234*s23*z3)/(s234^2*s34*z2) + (D*s1234*s23*z3)/(s234^2*s34*z2) + 
   (4*s1234*z3)/(s234*s34*z2) - (D*s1234*z3)/(s234*s34*z2) - 
   (s1234*s14*z3)/(s123*s234*s34*z2) + (2*s1234*s14*z3)/(s13*s234*s34*z2) - 
   (s12*s1234*s14*z3)/(s123*s13*s234*s34*z2) - 
   (s1234*s14*s23*z3)/(s12*s123*s234*s34*z2) - (2*s1234*s14*s23*z3)/
    (s123*s13*s234*s34*z2) - (s1234*s14*z3)/(s13*s24*s34*z2) + 
   (s1234*s14*s23*z3)/(s13*s234*s24*s34*z2) - 
   (s1234*s24*z3)/(s12*s123*s34*z2) - (4*s1234*s24*z3)/(s234^2*s34*z2) + 
   (D*s1234*s24*z3)/(s234^2*s34*z2) - (s1234*s14*s24*z3)/
    (s12*s123*s234*s34*z2) - (s1234*s14*s24*z3)/(s123*s13*s234*s34*z2) + 
   (s1234*s23*s24*z3)/(s12*s123*s234*s34*z2) + 
   (s1234*s24^2*z3)/(s12*s123*s234*s34*z2) + (4*s1234*z4)/(s234^2*z2) - 
   (s1234*z4)/(s123*s234*z2) - (2*s12*s1234*z4)/(s123*s13*s234*z2) + 
   (s1234*s13*z4)/(s12*s123*s234*z2) - (s1234*s23*z4)/(s12*s123*s234*z2) - 
   (2*s1234*s23*z4)/(s123*s13*s234*z2) - (2*s1234*z4)/(s123*s24*z2) + 
   (4*s1234*z4)/(s13*s24*z2) - (2*s12*s1234*z4)/(s123*s13*s24*z2) - 
   (2*s1234*s23*z4)/(s123*s13*s24*z2) + (4*s1234*s23*z4)/(s234^2*s24*z2) - 
   (2*s1234*z4)/(s234*s24*z2) - (3*s12*s1234*z4)/(s123*s234*s24*z2) + 
   (2*s12*s1234*z4)/(s13*s234*s24*z2) - (2*s12^2*s1234*z4)/
    (s123*s13*s234*s24*z2) - (s1234*s13*z4)/(s123*s234*s24*z2) - 
   (2*s1234*s14*z4)/(s123*s234*s24*z2) + (4*s1234*s14*z4)/(s13*s234*s24*z2) - 
   (2*s12*s1234*s14*z4)/(s123*s13*s234*s24*z2) - 
   (2*s1234*s23*z4)/(s123*s234*s24*z2) - (s1234*s23*z4)/(s13*s234*s24*z2) - 
   (3*s12*s1234*s23*z4)/(s123*s13*s234*s24*z2) - 
   (2*s1234*s14*s23*z4)/(s123*s13*s234*s24*z2) - 
   (s1234*s23^2*z4)/(s123*s13*s234*s24*z2) - (s1234*z4)/(s12*s34*z2) + 
   (2*s1234*s23*z4)/(s12*s123*s34*z2) + (4*s1234*s23*z4)/(s234^2*s34*z2) - 
   (4*s1234*z4)/(s234*s34*z2) + (s12*s1234*z4)/(s123*s234*s34*z2) + 
   (s1234*s13*z4)/(s123*s234*s34*z2) - (2*s1234*s14*z4)/(s123*s234*s34*z2) + 
   (4*s1234*s14*z4)/(s13*s234*s34*z2) - (2*s12*s1234*s14*z4)/
    (s123*s13*s234*s34*z2) + (2*s1234*s23*z4)/(s123*s234*s34*z2) + 
   (s1234*s13*s23*z4)/(s12*s123*s234*s34*z2) - (2*s1234*s14*s23*z4)/
    (s123*s13*s234*s34*z2) - (s1234*s23^2*z4)/(s12*s123*s234*s34*z2) + 
   (s1234*z4)/(s24*s34*z2) - (2*s1234*s14*z4)/(s13*s24*s34*z2) + 
   (2*s1234*s23^2*z4)/(s234^2*s24*s34*z2) - (3*s1234*s23*z4)/
    (s234*s24*s34*z2) + (2*s1234*s14*s23*z4)/(s13*s234*s24*s34*z2) + 
   (2*s1234*s24*z4)/(s234^2*s34*z2) + (s1234*s24*z4)/(s123*s234*s34*z2) + 
   (s1234*s13*s24*z4)/(s12*s123*s234*s34*z2) - 
   (s1234*s23*s24*z4)/(s12*s123*s234*s34*z2) + 
   (2*s1234*s34*z4)/(s234^2*s24*z2) - (2*s1234*s34*z4)/(s123*s234*s24*z2) - 
   (2*s12*s1234*s34*z4)/(s123*s13*s234*s24*z2) - 
   (2*s1234*s23*s34*z4)/(s123*s13*s234*s24*z2) - (6*s1234*z4)/(s234^2*z3) + 
   (4*D*s1234*z4)/(s234^2*z3) - (8*s1234*z4)/(s12*s234*z3) + 
   (2*D*s1234*z4)/(s12*s234*z3) + (7*s1234*z4)/(s123*s234*z3) - 
   (D*s1234*z4)/(s123*s234*z3) + (5*s1234*s13*z4)/(s12*s123*s234*z3) - 
   (D*s1234*s13*z4)/(s12*s123*s234*z3) + (2*s1234*s23*z4)/
    (s12*s123*s234*z3) - (D*s1234*s23*z4)/(2*s12*s123*s234*z3) + 
   (2*s1234*s23*z4)/(s123*s13*s234*z3) - (D*s1234*s23*z4)/
    (2*s123*s13*s234*z3) - (s1234*z4)/(s12*s24*z3) - 
   (2*s1234*z4)/(s123*s24*z3) + (5*s1234*s23*z4)/(s12*s123*s24*z3) - 
   (D*s1234*s23*z4)/(s12*s123*s24*z3) - (2*s1234*s23*z4)/(s12*s13*s24*z3) + 
   (D*s1234*s23*z4)/(2*s12*s13*s24*z3) + (2*s1234*s23^2*z4)/
    (s12*s123*s13*s24*z3) - (D*s1234*s23^2*z4)/(2*s12*s123*s13*s24*z3) - 
   (4*s1234*s23*z4)/(s234^2*s24*z3) + (3*D*s1234*s23*z4)/(s234^2*s24*z3) - 
   (2*D*s1234*z4)/(s234*s24*z3) + (2*s12*s1234*z4)/(s123*s234*s24*z3) + 
   (3*s1234*s13*z4)/(s123*s234*s24*z3) + (s1234*s13^2*z4)/
    (s12*s123*s234*s24*z3) + (4*s1234*s14*z4)/(s12*s234*s24*z3) - 
   (2*s1234*s14*z4)/(s123*s234*s24*z3) - (2*s1234*s13*s14*z4)/
    (s12*s123*s234*s24*z3) - (4*s1234*s23*z4)/(s12*s234*s24*z3) + 
   (D*s1234*s23*z4)/(s12*s234*s24*z3) + (7*s1234*s23*z4)/(s123*s234*s24*z3) - 
   (D*s1234*s23*z4)/(2*s123*s234*s24*z3) + (4*s1234*s13*s23*z4)/
    (s12*s123*s234*s24*z3) - (D*s1234*s13*s23*z4)/(2*s12*s123*s234*s24*z3) - 
   (2*s1234*s14*s23*z4)/(s12*s123*s234*s24*z3) + 
   (2*s1234*s23^2*z4)/(s123*s13*s234*s24*z3) - 
   (D*s1234*s23^2*z4)/(2*s123*s13*s234*s24*z3) + (4*s1234*z4)/(s12*s34*z3) - 
   (D*s1234*z4)/(s12*s34*z3) - (6*s1234*s23*z4)/(s234^2*s34*z3) + 
   (3*D*s1234*s23*z4)/(s234^2*s34*z3) + (4*s1234*z4)/(s234*s34*z3) - 
   (2*D*s1234*z4)/(s234*s34*z3) + (2*s1234*s13*z4)/(s12*s234*s34*z3) - 
   (s1234*s13*z4)/(s123*s234*s34*z3) - (s1234*s13^2*z4)/
    (s12*s123*s234*s34*z3) + (4*s1234*s14*z4)/(s12*s234*s34*z3) - 
   (2*s1234*s14*z4)/(s123*s234*s34*z3) - (2*s1234*s13*s14*z4)/
    (s12*s123*s234*s34*z3) - (8*s1234*s23*z4)/(s12*s234*s34*z3) + 
   (2*D*s1234*s23*z4)/(s12*s234*s34*z3) + (2*s1234*s23*z4)/
    (s123*s234*s34*z3) - (D*s1234*s23*z4)/(2*s123*s234*s34*z3) + 
   (s1234*s13*s23*z4)/(s12*s123*s234*s34*z3) - (D*s1234*s13*s23*z4)/
    (2*s12*s123*s234*s34*z3) - (2*s1234*s14*s23*z4)/(s12*s123*s234*s34*z3) + 
   (2*s1234*s23^2*z4)/(s12*s123*s234*s34*z3) - 
   (D*s1234*s23^2*z4)/(2*s12*s123*s234*s34*z3) - 
   (s1234*s13*z4)/(s12*s24*s34*z3) - (2*s1234*s14*z4)/(s12*s24*s34*z3) + 
   (2*s1234*s23*z4)/(s12*s24*s34*z3) - (D*s1234*s23*z4)/(2*s12*s24*s34*z3) - 
   (2*s1234*s23^2*z4)/(s234^2*s24*s34*z3) + (D*s1234*s23^2*z4)/
    (s234^2*s24*s34*z3) + (2*s1234*s23*z4)/(s234*s24*s34*z3) - 
   (D*s1234*s23*z4)/(s234*s24*s34*z3) + (s1234*s13*s23*z4)/
    (s12*s234*s24*s34*z3) + (2*s1234*s14*s23*z4)/(s12*s234*s24*s34*z3) - 
   (2*s1234*s23^2*z4)/(s12*s234*s24*s34*z3) + (D*s1234*s23^2*z4)/
    (2*s12*s234*s24*s34*z3) - (4*s1234*s24*z4)/(s234^2*s34*z3) + 
   (2*D*s1234*s24*z4)/(s234^2*s34*z3) - (8*s1234*s24*z4)/(s12*s234*s34*z3) + 
   (2*D*s1234*s24*z4)/(s12*s234*s34*z3) + (4*s1234*s24*z4)/
    (s123*s234*s34*z3) - (D*s1234*s24*z4)/(s123*s234*s34*z3) + 
   (4*s1234*s13*s24*z4)/(s12*s123*s234*s34*z3) - 
   (D*s1234*s13*s24*z4)/(s12*s123*s234*s34*z3) + 
   (4*s1234*s23*s24*z4)/(s12*s123*s234*s34*z3) - 
   (D*s1234*s23*s24*z4)/(s12*s123*s234*s34*z3) - 
   (2*s1234*s34*z4)/(s234^2*s24*z3) + (2*D*s1234*s34*z4)/(s234^2*s24*z3) + 
   (3*s1234*s34*z4)/(s123*s234*s24*z3) + (s1234*s13*s34*z4)/
    (s12*s123*s234*s24*z3) - (2*s1234*s23*s34*z4)/(s12*s123*s234*s24*z3) + 
   (D*s1234*s23*s34*z4)/(2*s12*s123*s234*s24*z3) + 
   (2*s1234*s23*s34*z4)/(s123*s13*s234*s24*z3) - 
   (D*s1234*s23*s34*z4)/(2*s123*s13*s234*s24*z3) + 
   (2*s1234*z1*z4)/(s123*s234*z2*z3) - (4*s1234*z1*z4)/(s13*s234*z2*z3) + 
   (2*s12*s1234*z1*z4)/(s123*s13*s234*z2*z3) + (2*s1234*s23*z1*z4)/
    (s123*s13*s234*z2*z3) - (4*s1234*z1*z4)/(s123*s24*z2*z3) + 
   (6*s1234*z1*z4)/(s13*s24*z2*z3) - (4*s12*s1234*z1*z4)/
    (s123*s13*s24*z2*z3) - (4*s1234*s23*z1*z4)/(s123*s13*s24*z2*z3) + 
   (2*s1234*s23*z1*z4)/(s123*s234*s24*z2*z3) - (4*s1234*s23*z1*z4)/
    (s13*s234*s24*z2*z3) + (2*s12*s1234*s23*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (2*s1234*s23^2*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (2*s1234*s34*z1*z4)/(s123*s234*s24*z2*z3) - 
   (4*s1234*s34*z1*z4)/(s13*s234*s24*z2*z3) + (2*s12*s1234*s34*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (2*s1234*s23*s34*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (8*s1234*z4^2)/(s234^2*z2*z3) + 
   (6*s1234*s23*z4^2)/(s234^2*s24*z2*z3) - (8*s1234*z4^2)/(s234*s24*z2*z3) + 
   (2*s12*s1234*z4^2)/(s123*s234*s24*z2*z3) + (2*s1234*s13*z4^2)/
    (s123*s234*s24*z2*z3) + (2*s1234*s23*z4^2)/(s123*s234*s24*z2*z3) + 
   (6*s1234*s23*z4^2)/(s234^2*s34*z2*z3) - (8*s1234*z4^2)/(s234*s34*z2*z3) + 
   (2*s12*s1234*z4^2)/(s123*s234*s34*z2*z3) + (2*s1234*s13*z4^2)/
    (s123*s234*s34*z2*z3) + (2*s1234*s23*z4^2)/(s123*s234*s34*z2*z3) + 
   (2*s1234*z4^2)/(s24*s34*z2*z3) + (2*s1234*s23^2*z4^2)/
    (s234^2*s24*s34*z2*z3) - (4*s1234*s23*z4^2)/(s234*s24*s34*z2*z3) + 
   (4*s1234*s24*z4^2)/(s234^2*s34*z2*z3) + (4*s1234*s34*z4^2)/
    (s234^2*s24*z2*z3)) + k1k4*((-4*s1234)/s123^2 + (2*D*s1234)/s123^2 - 
   (2*s1234)/(s12*s13) - (10*s1234*s23)/(s12*s123^2) + 
   (3*D*s1234*s23)/(s12*s123^2) - (10*s1234*s23)/(s123^2*s13) + 
   (3*D*s1234*s23)/(s123^2*s13) + (2*s1234*s23)/(s12*s123*s13) - 
   (12*s1234*s23^2)/(s12*s123^2*s13) + (5*D*s1234*s23^2)/(s12*s123^2*s13) - 
   (D^2*s1234*s23^2)/(2*s12*s123^2*s13) - (4*s1234)/s234^2 + 
   (2*D*s1234)/s234^2 + (4*D*s1234)/(s123*s234) + 
   (6*s12*s1234)/(s123*s13*s234) + (6*s1234*s13)/(s12*s123*s234) + 
   (4*s1234*s14)/(s12*s123*s234) + (4*s1234*s14)/(s123*s13*s234) - 
   (s1234*s23)/(s12*s123*s234) + (D*s1234*s23)/(s12*s123*s234) - 
   (s1234*s23)/(s123*s13*s234) + (D*s1234*s23)/(s123*s13*s234) + 
   (4*s1234*s14)/(s12*s123*s24) + (4*s1234*s14)/(s123*s13*s24) - 
   (9*s1234*s23)/(s123*s13*s24) + (2*D*s1234*s23)/(s123*s13*s24) + 
   (2*s1234*s14*s23)/(s12*s123*s13*s24) - (12*s1234*s23^2)/
    (s12*s123*s13*s24) + (5*D*s1234*s23^2)/(s12*s123*s13*s24) - 
   (D^2*s1234*s23^2)/(2*s12*s123*s13*s24) - (10*s1234*s23)/(s234^2*s24) + 
   (3*D*s1234*s23)/(s234^2*s24) + (2*s12*s1234)/(s123*s234*s24) + 
   (2*s12*s1234)/(s13*s234*s24) + (2*s1234*s13)/(s123*s234*s24) + 
   (4*s1234*s14)/(s12*s234*s24) + (4*s1234*s14)/(s123*s234*s24) + 
   (4*s1234*s14)/(s13*s234*s24) + (4*s12*s1234*s14)/(s123*s13*s234*s24) + 
   (4*s1234*s14^2)/(s12*s123*s234*s24) + (4*s1234*s14^2)/
    (s123*s13*s234*s24) - (s1234*s23)/(s123*s234*s24) + 
   (D*s1234*s23)/(s123*s234*s24) - (9*s1234*s23)/(s13*s234*s24) + 
   (2*D*s1234*s23)/(s13*s234*s24) + (s12*s1234*s23)/(s123*s13*s234*s24) - 
   (4*s1234*s14*s23)/(s12*s123*s234*s24) - (4*s1234*s14*s23)/
    (s123*s13*s234*s24) - (12*s1234*s23^2)/(s12*s123*s234*s24) + 
   (5*D*s1234*s23^2)/(s12*s123*s234*s24) - (D^2*s1234*s23^2)/
    (2*s12*s123*s234*s24) + (2*s1234*s23^2)/(s123*s13*s234*s24) + 
   (2*s1234*s24)/(s12*s123*s234) + (2*s1234*s24)/(s123*s13*s234) + 
   (4*s1234*s14)/(s12*s123*s34) + (4*s1234*s14)/(s123*s13*s34) - 
   (9*s1234*s23)/(s12*s123*s34) + (2*D*s1234*s23)/(s12*s123*s34) + 
   (2*s1234*s14*s23)/(s12*s123*s13*s34) - (12*s1234*s23^2)/
    (s12*s123*s13*s34) + (5*D*s1234*s23^2)/(s12*s123*s13*s34) - 
   (D^2*s1234*s23^2)/(2*s12*s123*s13*s34) - (10*s1234*s23)/(s234^2*s34) + 
   (3*D*s1234*s23)/(s234^2*s34) + (2*s12*s1234)/(s123*s234*s34) + 
   (2*s1234*s13)/(s12*s234*s34) + (2*s1234*s13)/(s123*s234*s34) + 
   (4*s1234*s14)/(s12*s234*s34) + (4*s1234*s14)/(s123*s234*s34) + 
   (4*s1234*s14)/(s13*s234*s34) + (4*s1234*s13*s14)/(s12*s123*s234*s34) + 
   (4*s1234*s14^2)/(s12*s123*s234*s34) + (4*s1234*s14^2)/
    (s123*s13*s234*s34) - (9*s1234*s23)/(s12*s234*s34) + 
   (2*D*s1234*s23)/(s12*s234*s34) - (s1234*s23)/(s123*s234*s34) + 
   (D*s1234*s23)/(s123*s234*s34) + (s1234*s13*s23)/(s12*s123*s234*s34) - 
   (4*s1234*s14*s23)/(s12*s123*s234*s34) - (4*s1234*s14*s23)/
    (s123*s13*s234*s34) + (2*s1234*s23^2)/(s12*s123*s234*s34) - 
   (12*s1234*s23^2)/(s123*s13*s234*s34) + (5*D*s1234*s23^2)/
    (s123*s13*s234*s34) - (D^2*s1234*s23^2)/(2*s123*s13*s234*s34) - 
   (2*s1234)/(s24*s34) + (4*s1234*s14^2)/(s12*s13*s24*s34) + 
   (4*s1234*s14*s23)/(s12*s13*s24*s34) - (12*s1234*s23^2)/(s12*s13*s24*s34) + 
   (5*D*s1234*s23^2)/(s12*s13*s24*s34) - (D^2*s1234*s23^2)/
    (2*s12*s13*s24*s34) - (12*s1234*s23^2)/(s234^2*s24*s34) + 
   (5*D*s1234*s23^2)/(s234^2*s24*s34) - (D^2*s1234*s23^2)/
    (2*s234^2*s24*s34) + (2*s1234*s23)/(s234*s24*s34) + 
   (2*s1234*s14*s23)/(s12*s234*s24*s34) + (2*s1234*s14*s23)/
    (s13*s234*s24*s34) - (12*s1234*s23^2)/(s12*s234*s24*s34) + 
   (5*D*s1234*s23^2)/(s12*s234*s24*s34) - (D^2*s1234*s23^2)/
    (2*s12*s234*s24*s34) - (12*s1234*s23^2)/(s13*s234*s24*s34) + 
   (5*D*s1234*s23^2)/(s13*s234*s24*s34) - (D^2*s1234*s23^2)/
    (2*s13*s234*s24*s34) + (2*s1234*s24)/(s12*s123*s34) + 
   (6*s1234*s24)/(s123*s234*s34) + (8*s1234*s13*s24)/(s12*s123*s234*s34) + 
   (4*s1234*s14*s24)/(s12*s123*s234*s34) + (s1234*s23*s24)/
    (s12*s123*s234*s34) + (2*s1234*s34)/(s12*s123*s234) + 
   (2*s1234*s34)/(s123*s13*s234) + (2*s1234*s34)/(s123*s13*s24) + 
   (6*s1234*s34)/(s123*s234*s24) + (8*s12*s1234*s34)/(s123*s13*s234*s24) + 
   (4*s1234*s14*s34)/(s123*s13*s234*s24) + (s1234*s23*s34)/
    (s123*s13*s234*s24) + (12*s1234*z1)/(s123^2*z2) - 
   (4*s1234*z1)/(s12*s123*z2) + (8*s12*s1234*z1)/(s123^2*s13*z2) - 
   (12*s1234*z1)/(s123*s13*z2) + (4*s1234*s13*z1)/(s12*s123^2*z2) + 
   (6*s1234*s23*z1)/(s12*s123^2*z2) + (10*s1234*s23*z1)/(s123^2*s13*z2) - 
   (2*s1234*s23*z1)/(s12*s123*s13*z2) + (2*s1234*s23^2*z1)/
    (s12*s123^2*s13*z2) - (4*s1234*z1)/(s12*s234*z2) + 
   (4*s1234*z1)/(s123*s234*z2) - (4*s1234*z1)/(s13*s234*z2) + 
   (4*s12*s1234*z1)/(s123*s13*s234*z2) - (4*s1234*s14*z1)/
    (s12*s123*s234*z2) - (4*s1234*s14*z1)/(s123*s13*s234*z2) + 
   (s1234*s23*z1)/(s12*s123*s234*z2) + (9*s1234*s23*z1)/(s123*s13*s234*z2) + 
   (s1234*s23*z1)/(s123*s234*s24*z2) + (s12*s1234*s23*z1)/
    (s123*s13*s234*s24*z2) + (s1234*s23^2*z1)/(s123*s13*s234*s24*z2) - 
   (4*s1234*s24*z1)/(s12*s123*s234*z2) + (4*s1234*s24*z1)/
    (s123*s13*s234*z2) + (4*s1234*z1)/(s12*s34*z2) + 
   (8*s1234*s14*z1)/(s12*s123*s34*z2) - (4*s1234*s14*z1)/(s12*s13*s34*z2) + 
   (8*s1234*s14*z1)/(s123*s13*s34*z2) - (s1234*s23*z1)/(s12*s13*s34*z2) + 
   (4*s1234*s14*s23*z1)/(s12*s123*s13*s34*z2) + 
   (s1234*s23^2*z1)/(s12*s123*s13*s34*z2) - (4*s1234*s23*z1)/
    (s12*s234*s34*z2) + (s1234*s23*z1)/(s123*s234*s34*z2) + 
   (s12*s1234*s23*z1)/(s123*s13*s234*s34*z2) - (4*s1234*s14*s23*z1)/
    (s12*s123*s234*s34*z2) - (4*s1234*s14*s23*z1)/(s123*s13*s234*s34*z2) + 
   (s1234*s23^2*z1)/(s12*s123*s234*s34*z2) + (2*s1234*s23^2*z1)/
    (s123*s13*s234*s34*z2) - (s1234*s23*z1)/(s13*s24*s34*z2) + 
   (s1234*s23^2*z1)/(s13*s234*s24*s34*z2) + (4*s1234*s24*z1)/
    (s12*s123*s34*z2) - (4*s1234*s24*z1)/(s12*s234*s34*z2) - 
   (4*s1234*s14*s24*z1)/(s12*s123*s234*s34*z2) - 
   (4*s1234*s14*s24*z1)/(s123*s13*s234*s34*z2) - 
   (3*s1234*s23*s24*z1)/(s12*s123*s234*s34*z2) + 
   (s1234*s23*s24*z1)/(s123*s13*s234*s34*z2) - 
   (4*s1234*s24^2*z1)/(s12*s123*s234*s34*z2) + 
   (4*s1234*s34*z1)/(s123*s13*s234*z2) + (12*s1234*z1)/(s123^2*z3) - 
   (12*s1234*z1)/(s12*s123*z3) + (4*s12*s1234*z1)/(s123^2*s13*z3) - 
   (4*s1234*z1)/(s123*s13*z3) + (8*s1234*s13*z1)/(s12*s123^2*z3) + 
   (10*s1234*s23*z1)/(s12*s123^2*z3) + (6*s1234*s23*z1)/(s123^2*s13*z3) - 
   (2*s1234*s23*z1)/(s12*s123*s13*z3) + (2*s1234*s23^2*z1)/
    (s12*s123^2*s13*z3) - (4*s1234*z1)/(s12*s234*z3) + 
   (4*s1234*z1)/(s123*s234*z3) - (4*s1234*z1)/(s13*s234*z3) + 
   (4*s1234*s13*z1)/(s12*s123*s234*z3) - (4*s1234*s14*z1)/
    (s12*s123*s234*z3) - (4*s1234*s14*z1)/(s123*s13*s234*z3) + 
   (9*s1234*s23*z1)/(s12*s123*s234*z3) + (s1234*s23*z1)/(s123*s13*s234*z3) + 
   (4*s1234*z1)/(s13*s24*z3) + (8*s1234*s14*z1)/(s12*s123*s24*z3) - 
   (4*s1234*s14*z1)/(s12*s13*s24*z3) + (8*s1234*s14*z1)/(s123*s13*s24*z3) - 
   (s1234*s23*z1)/(s12*s13*s24*z3) + (4*s1234*s14*s23*z1)/
    (s12*s123*s13*s24*z3) + (s1234*s23^2*z1)/(s12*s123*s13*s24*z3) + 
   (s1234*s23*z1)/(s123*s234*s24*z3) - (4*s1234*s23*z1)/(s13*s234*s24*z3) + 
   (s1234*s13*s23*z1)/(s12*s123*s234*s24*z3) - (4*s1234*s14*s23*z1)/
    (s12*s123*s234*s24*z3) - (4*s1234*s14*s23*z1)/(s123*s13*s234*s24*z3) + 
   (2*s1234*s23^2*z1)/(s12*s123*s234*s24*z3) + 
   (s1234*s23^2*z1)/(s123*s13*s234*s24*z3) + (4*s1234*s24*z1)/
    (s12*s123*s234*z3) + (s1234*s23*z1)/(s123*s234*s34*z3) + 
   (s1234*s13*s23*z1)/(s12*s123*s234*s34*z3) + 
   (s1234*s23^2*z1)/(s12*s123*s234*s34*z3) - 
   (s1234*s23*z1)/(s12*s24*s34*z3) + (s1234*s23^2*z1)/(s12*s234*s24*s34*z3) + 
   (4*s1234*s34*z1)/(s12*s123*s234*z3) - (4*s1234*s34*z1)/
    (s123*s13*s234*z3) + (4*s1234*s34*z1)/(s123*s13*s24*z3) - 
   (4*s1234*s34*z1)/(s13*s234*s24*z3) - (4*s1234*s14*s34*z1)/
    (s12*s123*s234*s24*z3) - (4*s1234*s14*s34*z1)/(s123*s13*s234*s24*z3) + 
   (s1234*s23*s34*z1)/(s12*s123*s234*s24*z3) - (3*s1234*s23*s34*z1)/
    (s123*s13*s234*s24*z3) - (4*s1234*s34^2*z1)/(s123*s13*s234*s24*z3) + 
   (16*s1234*z1^2)/(s123^2*z2*z3) - (16*s1234*z1^2)/(s12*s123*z2*z3) + 
   (4*s1234*z1^2)/(s12*s13*z2*z3) + (8*s12*s1234*z1^2)/(s123^2*s13*z2*z3) - 
   (16*s1234*z1^2)/(s123*s13*z2*z3) + (8*s1234*s13*z1^2)/(s12*s123^2*z2*z3) + 
   (12*s1234*s23*z1^2)/(s12*s123^2*z2*z3) + (12*s1234*s23*z1^2)/
    (s123^2*s13*z2*z3) - (8*s1234*s23*z1^2)/(s12*s123*s13*z2*z3) + 
   (4*s1234*s23^2*z1^2)/(s12*s123^2*s13*z2*z3) + 
   (4*s1234*s23*z1^2)/(s12*s123*s234*z2*z3) + (4*s1234*s23*z1^2)/
    (s123*s13*s234*z2*z3) + (4*s1234*s24*z1^2)/(s12*s123*s234*z2*z3) + 
   (4*s1234*s24*z1^2)/(s123*s13*s234*z2*z3) + (4*s1234*s34*z1^2)/
    (s12*s123*s234*z2*z3) + (4*s1234*s34*z1^2)/(s123*s13*s234*z2*z3) + 
   (2*s1234*z2)/(s123^2*z3) - (2*s1234*z2)/(s12*s123*z3) + 
   (2*s1234*s13*z2)/(s12*s123^2*z3) + (2*s1234*s23*z2)/(s12*s123^2*z3) + 
   (2*s1234*z2)/(s234^2*z3) - (2*s1234*z2)/(s123*s234*z3) - 
   (2*s1234*s13*z2)/(s12*s123*s234*z3) - (4*s1234*s14*z2)/
    (s12*s123*s234*z3) - (s1234*s23*z2)/(s12*s123*s234*z3) + 
   (2*s1234*z2)/(s12*s24*z3) + (4*s1234*s14*z2)/(s12*s123*s24*z3) - 
   (s1234*s23*z2)/(s12*s123*s24*z3) + (2*s1234*s23*z2)/(s234^2*s24*z3) - 
   (2*s1234*z2)/(s234*s24*z3) - (s1234*s13*z2)/(s123*s234*s24*z3) - 
   (s1234*s13^2*z2)/(s12*s123*s234*s24*z3) + (4*s1234*s14*z2)/
    (s12*s234*s24*z3) - (4*s1234*s14*z2)/(s123*s234*s24*z3) - 
   (4*s1234*s13*s14*z2)/(s12*s123*s234*s24*z3) - 
   (s1234*s23*z2)/(s12*s234*s24*z3) - (s1234*s23*z2)/(s123*s234*s24*z3) - 
   (2*s1234*s13*s23*z2)/(s12*s123*s234*s24*z3) - 
   (8*s1234*s14*s23*z2)/(s12*s123*s234*s24*z3) - 
   (s1234*s13*z2)/(s123*s234*s34*z3) - (s1234*s13^2*z2)/
    (s12*s123*s234*s34*z3) - (s1234*s13*s23*z2)/(s12*s123*s234*s34*z3) + 
   (s1234*s13*z2)/(s12*s24*s34*z3) - (s1234*s13*s23*z2)/
    (s12*s234*s24*s34*z3) - (s1234*s34*z2)/(s12*s123*s234*z3) - 
   (s1234*s34*z2)/(s123*s13*s234*z3) + (s1234*s34*z2)/(s12*s13*s24*z3) - 
   (s1234*s23*s34*z2)/(s12*s123*s13*s24*z3) + 
   (2*s1234*s34*z2)/(s234^2*s24*z3) - (2*s1234*s34*z2)/(s123*s234*s24*z3) - 
   (2*s1234*s13*s34*z2)/(s12*s123*s234*s24*z3) - 
   (4*s1234*s14*s34*z2)/(s12*s123*s234*s24*z3) - 
   (2*s1234*s23*s34*z2)/(s12*s123*s234*s24*z3) - 
   (s1234*s23*s34*z2)/(s123*s13*s234*s24*z3) - 
   (s1234*s34^2*z2)/(s12*s123*s234*s24*z3) - (s1234*s34^2*z2)/
    (s123*s13*s234*s24*z3) + (2*s1234*z3)/(s123^2*z2) + 
   (2*s12*s1234*z3)/(s123^2*s13*z2) - (2*s1234*z3)/(s123*s13*z2) + 
   (2*s1234*s23*z3)/(s123^2*s13*z2) + (2*s1234*z3)/(s234^2*z2) - 
   (2*s1234*z3)/(s123*s234*z2) - (2*s12*s1234*z3)/(s123*s13*s234*z2) - 
   (4*s1234*s14*z3)/(s123*s13*s234*z2) - (s1234*s23*z3)/(s123*s13*s234*z2) - 
   (s12*s1234*z3)/(s123*s234*s24*z2) - (s12^2*s1234*z3)/
    (s123*s13*s234*s24*z2) - (s12*s1234*s23*z3)/(s123*s13*s234*s24*z2) - 
   (s1234*s24*z3)/(s12*s123*s234*z2) - (s1234*s24*z3)/(s123*s13*s234*z2) + 
   (2*s1234*z3)/(s13*s34*z2) + (4*s1234*s14*z3)/(s123*s13*s34*z2) - 
   (s1234*s23*z3)/(s123*s13*s34*z2) + (2*s1234*s23*z3)/(s234^2*s34*z2) - 
   (2*s1234*z3)/(s234*s34*z2) - (s12*s1234*z3)/(s123*s234*s34*z2) - 
   (s12^2*s1234*z3)/(s123*s13*s234*s34*z2) - (4*s1234*s14*z3)/
    (s123*s234*s34*z2) + (4*s1234*s14*z3)/(s13*s234*s34*z2) - 
   (4*s12*s1234*s14*z3)/(s123*s13*s234*s34*z2) - 
   (s1234*s23*z3)/(s123*s234*s34*z2) - (s1234*s23*z3)/(s13*s234*s34*z2) - 
   (2*s12*s1234*s23*z3)/(s123*s13*s234*s34*z2) - 
   (8*s1234*s14*s23*z3)/(s123*s13*s234*s34*z2) + 
   (s12*s1234*z3)/(s13*s24*s34*z2) - (s12*s1234*s23*z3)/
    (s13*s234*s24*s34*z2) + (s1234*s24*z3)/(s12*s13*s34*z2) - 
   (s1234*s23*s24*z3)/(s12*s123*s13*s34*z2) + 
   (2*s1234*s24*z3)/(s234^2*s34*z2) - (2*s1234*s24*z3)/(s123*s234*s34*z2) - 
   (2*s12*s1234*s24*z3)/(s123*s13*s234*s34*z2) - 
   (4*s1234*s14*s24*z3)/(s123*s13*s234*s34*z2) - 
   (s1234*s23*s24*z3)/(s12*s123*s234*s34*z2) - (2*s1234*s23*s24*z3)/
    (s123*s13*s234*s34*z2) - (s1234*s24^2*z3)/(s12*s123*s234*s34*z2) - 
   (s1234*s24^2*z3)/(s123*s13*s234*s34*z2) + (12*s1234*z4)/(s234^2*z2) + 
   (4*s1234*z4)/(s123*s234*z2) + (s1234*s23*z4)/(s12*s123*s234*z2) + 
   (s1234*s23*z4)/(s123*s13*s234*z2) - (4*s1234*z4)/(s123*s24*z2) + 
   (4*s1234*z4)/(s13*s24*z2) - (4*s12*s1234*z4)/(s123*s13*s24*z2) - 
   (4*s1234*s23*z4)/(s123*s13*s24*z2) + (6*s1234*s23*z4)/(s234^2*s24*z2) - 
   (4*s1234*z4)/(s234*s24*z2) - (4*s12*s1234*z4)/(s123*s234*s24*z2) + 
   (4*s12*s1234*z4)/(s13*s234*s24*z2) - (4*s12^2*s1234*z4)/
    (s123*s13*s234*s24*z2) - (4*s1234*s14*z4)/(s123*s234*s24*z2) + 
   (8*s1234*s14*z4)/(s13*s234*s24*z2) - (4*s12*s1234*s14*z4)/
    (s123*s13*s234*s24*z2) + (s1234*s23*z4)/(s123*s234*s24*z2) - 
   (3*s12*s1234*s23*z4)/(s123*s13*s234*s24*z2) - 
   (4*s1234*s14*s23*z4)/(s123*s13*s234*s24*z2) + 
   (s1234*s23^2*z4)/(s123*s13*s234*s24*z2) - (4*s1234*z4)/(s123*s34*z2) - 
   (s1234*s23*z4)/(s12*s13*s34*z2) + (s1234*s23^2*z4)/(s12*s123*s13*s34*z2) + 
   (10*s1234*s23*z4)/(s234^2*s34*z2) - (12*s1234*z4)/(s234*s34*z2) + 
   (4*s12*s1234*z4)/(s123*s234*s34*z2) + (4*s1234*s13*z4)/
    (s123*s234*s34*z2) - (4*s1234*s14*z4)/(s123*s234*s34*z2) + 
   (8*s1234*s14*z4)/(s13*s234*s34*z2) - (4*s12*s1234*s14*z4)/
    (s123*s13*s234*s34*z2) + (9*s1234*s23*z4)/(s123*s234*s34*z2) + 
   (s12*s1234*s23*z4)/(s123*s13*s234*s34*z2) - (4*s1234*s14*s23*z4)/
    (s123*s13*s234*s34*z2) + (s1234*s23^2*z4)/(s12*s123*s234*s34*z2) + 
   (2*s1234*s23^2*z4)/(s123*s13*s234*s34*z2) - 
   (4*s1234*s14*z4)/(s13*s24*s34*z2) - (s1234*s23*z4)/(s13*s24*s34*z2) + 
   (2*s1234*s23^2*z4)/(s234^2*s24*s34*z2) - (2*s1234*s23*z4)/
    (s234*s24*s34*z2) + (4*s1234*s14*s23*z4)/(s13*s234*s24*s34*z2) + 
   (s1234*s23^2*z4)/(s13*s234*s24*s34*z2) + (8*s1234*s24*z4)/
    (s234^2*s34*z2) + (4*s1234*s24*z4)/(s123*s234*s34*z2) + 
   (s1234*s23*s24*z4)/(s12*s123*s234*s34*z2) + 
   (s1234*s23*s24*z4)/(s123*s13*s234*s34*z2) + 
   (4*s1234*s34*z4)/(s234^2*s24*z2) + (12*s1234*z4)/(s234^2*z3) + 
   (4*s1234*z4)/(s123*s234*z3) + (s1234*s23*z4)/(s12*s123*s234*z3) + 
   (s1234*s23*z4)/(s123*s13*s234*z3) - (4*s1234*z4)/(s123*s24*z3) - 
   (s1234*s23*z4)/(s12*s13*s24*z3) + (s1234*s23^2*z4)/(s12*s123*s13*s24*z3) + 
   (10*s1234*s23*z4)/(s234^2*s24*z3) - (12*s1234*z4)/(s234*s24*z3) + 
   (4*s12*s1234*z4)/(s123*s234*s24*z3) + (4*s1234*s13*z4)/
    (s123*s234*s24*z3) + (8*s1234*s14*z4)/(s12*s234*s24*z3) - 
   (4*s1234*s14*z4)/(s123*s234*s24*z3) - (4*s1234*s13*s14*z4)/
    (s12*s123*s234*s24*z3) + (9*s1234*s23*z4)/(s123*s234*s24*z3) + 
   (s1234*s13*s23*z4)/(s12*s123*s234*s24*z3) - (4*s1234*s14*s23*z4)/
    (s12*s123*s234*s24*z3) + (2*s1234*s23^2*z4)/(s12*s123*s234*s24*z3) + 
   (s1234*s23^2*z4)/(s123*s13*s234*s24*z3) + (4*s1234*z4)/(s12*s34*z3) - 
   (4*s1234*z4)/(s123*s34*z3) - (4*s1234*s13*z4)/(s12*s123*s34*z3) - 
   (4*s1234*s23*z4)/(s12*s123*s34*z3) + (6*s1234*s23*z4)/(s234^2*s34*z3) - 
   (4*s1234*z4)/(s234*s34*z3) + (4*s1234*s13*z4)/(s12*s234*s34*z3) - 
   (4*s1234*s13*z4)/(s123*s234*s34*z3) - (4*s1234*s13^2*z4)/
    (s12*s123*s234*s34*z3) + (8*s1234*s14*z4)/(s12*s234*s34*z3) - 
   (4*s1234*s14*z4)/(s123*s234*s34*z3) - (4*s1234*s13*s14*z4)/
    (s12*s123*s234*s34*z3) + (s1234*s23*z4)/(s123*s234*s34*z3) - 
   (3*s1234*s13*s23*z4)/(s12*s123*s234*s34*z3) - 
   (4*s1234*s14*s23*z4)/(s12*s123*s234*s34*z3) + 
   (s1234*s23^2*z4)/(s12*s123*s234*s34*z3) - (4*s1234*s14*z4)/
    (s12*s24*s34*z3) - (s1234*s23*z4)/(s12*s24*s34*z3) + 
   (2*s1234*s23^2*z4)/(s234^2*s24*s34*z3) - (2*s1234*s23*z4)/
    (s234*s24*s34*z3) + (4*s1234*s14*s23*z4)/(s12*s234*s24*s34*z3) + 
   (s1234*s23^2*z4)/(s12*s234*s24*s34*z3) + (4*s1234*s24*z4)/
    (s234^2*s34*z3) + (8*s1234*s34*z4)/(s234^2*s24*z3) + 
   (4*s1234*s34*z4)/(s123*s234*s24*z3) + (s1234*s23*s34*z4)/
    (s12*s123*s234*s24*z3) + (s1234*s23*s34*z4)/(s123*s13*s234*s24*z3) - 
   (8*s1234*z1*z4)/(s12*s234*z2*z3) + (8*s1234*z1*z4)/(s123*s234*z2*z3) - 
   (8*s1234*z1*z4)/(s13*s234*z2*z3) + (4*s12*s1234*z1*z4)/
    (s123*s13*s234*z2*z3) + (4*s1234*s13*z1*z4)/(s12*s123*s234*z2*z3) + 
   (4*s1234*s23*z1*z4)/(s12*s123*s234*z2*z3) + (4*s1234*s23*z1*z4)/
    (s123*s13*s234*z2*z3) - (8*s1234*z1*z4)/(s123*s24*z2*z3) + 
   (12*s1234*z1*z4)/(s13*s24*z2*z3) - (8*s12*s1234*z1*z4)/
    (s123*s13*s24*z2*z3) - (8*s1234*s23*z1*z4)/(s123*s13*s24*z2*z3) + 
   (4*s1234*s23*z1*z4)/(s123*s234*s24*z2*z3) - (8*s1234*s23*z1*z4)/
    (s13*s234*s24*z2*z3) + (4*s12*s1234*s23*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (4*s1234*s23^2*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (12*s1234*z1*z4)/(s12*s34*z2*z3) - 
   (8*s1234*z1*z4)/(s123*s34*z2*z3) - (8*s1234*s13*z1*z4)/
    (s12*s123*s34*z2*z3) - (8*s1234*s23*z1*z4)/(s12*s123*s34*z2*z3) - 
   (8*s1234*s23*z1*z4)/(s12*s234*s34*z2*z3) + (4*s1234*s23*z1*z4)/
    (s123*s234*s34*z2*z3) + (4*s1234*s13*s23*z1*z4)/
    (s12*s123*s234*s34*z2*z3) + (4*s1234*s23^2*z1*z4)/
    (s12*s123*s234*s34*z2*z3) - (8*s1234*s24*z1*z4)/(s12*s234*s34*z2*z3) + 
   (4*s1234*s24*z1*z4)/(s123*s234*s34*z2*z3) + (4*s1234*s13*s24*z1*z4)/
    (s12*s123*s234*s34*z2*z3) + (4*s1234*s23*s24*z1*z4)/
    (s12*s123*s234*s34*z2*z3) + (4*s1234*s34*z1*z4)/(s123*s234*s24*z2*z3) - 
   (8*s1234*s34*z1*z4)/(s13*s234*s24*z2*z3) + (4*s12*s1234*s34*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (4*s1234*s23*s34*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (16*s1234*z4^2)/(s234^2*z2*z3) + 
   (12*s1234*s23*z4^2)/(s234^2*s24*z2*z3) - (16*s1234*z4^2)/
    (s234*s24*z2*z3) + (4*s12*s1234*z4^2)/(s123*s234*s24*z2*z3) + 
   (4*s1234*s13*z4^2)/(s123*s234*s24*z2*z3) + (4*s1234*s23*z4^2)/
    (s123*s234*s24*z2*z3) + (12*s1234*s23*z4^2)/(s234^2*s34*z2*z3) - 
   (16*s1234*z4^2)/(s234*s34*z2*z3) + (4*s12*s1234*z4^2)/
    (s123*s234*s34*z2*z3) + (4*s1234*s13*z4^2)/(s123*s234*s34*z2*z3) + 
   (4*s1234*s23*z4^2)/(s123*s234*s34*z2*z3) + 
   (4*s1234*z4^2)/(s24*s34*z2*z3) + (4*s1234*s23^2*z4^2)/
    (s234^2*s24*s34*z2*z3) - (8*s1234*s23*z4^2)/(s234*s24*s34*z2*z3) + 
   (8*s1234*s24*z4^2)/(s234^2*s34*z2*z3) + (8*s1234*s34*z4^2)/
    (s234^2*s24*z2*z3)) + k4k1*((-4*s1234)/s123^2 + (2*D*s1234)/s123^2 - 
   (2*s1234)/(s12*s13) - (10*s1234*s23)/(s12*s123^2) + 
   (3*D*s1234*s23)/(s12*s123^2) - (10*s1234*s23)/(s123^2*s13) + 
   (3*D*s1234*s23)/(s123^2*s13) + (2*s1234*s23)/(s12*s123*s13) - 
   (12*s1234*s23^2)/(s12*s123^2*s13) + (5*D*s1234*s23^2)/(s12*s123^2*s13) - 
   (D^2*s1234*s23^2)/(2*s12*s123^2*s13) - (4*s1234)/s234^2 + 
   (2*D*s1234)/s234^2 + (4*D*s1234)/(s123*s234) + 
   (6*s12*s1234)/(s123*s13*s234) + (6*s1234*s13)/(s12*s123*s234) + 
   (4*s1234*s14)/(s12*s123*s234) + (4*s1234*s14)/(s123*s13*s234) - 
   (s1234*s23)/(s12*s123*s234) + (D*s1234*s23)/(s12*s123*s234) - 
   (s1234*s23)/(s123*s13*s234) + (D*s1234*s23)/(s123*s13*s234) + 
   (4*s1234*s14)/(s12*s123*s24) + (4*s1234*s14)/(s123*s13*s24) - 
   (9*s1234*s23)/(s123*s13*s24) + (2*D*s1234*s23)/(s123*s13*s24) + 
   (2*s1234*s14*s23)/(s12*s123*s13*s24) - (12*s1234*s23^2)/
    (s12*s123*s13*s24) + (5*D*s1234*s23^2)/(s12*s123*s13*s24) - 
   (D^2*s1234*s23^2)/(2*s12*s123*s13*s24) - (10*s1234*s23)/(s234^2*s24) + 
   (3*D*s1234*s23)/(s234^2*s24) + (2*s12*s1234)/(s123*s234*s24) + 
   (2*s12*s1234)/(s13*s234*s24) + (2*s1234*s13)/(s123*s234*s24) + 
   (4*s1234*s14)/(s12*s234*s24) + (4*s1234*s14)/(s123*s234*s24) + 
   (4*s1234*s14)/(s13*s234*s24) + (4*s12*s1234*s14)/(s123*s13*s234*s24) + 
   (4*s1234*s14^2)/(s12*s123*s234*s24) + (4*s1234*s14^2)/
    (s123*s13*s234*s24) - (s1234*s23)/(s123*s234*s24) + 
   (D*s1234*s23)/(s123*s234*s24) - (9*s1234*s23)/(s13*s234*s24) + 
   (2*D*s1234*s23)/(s13*s234*s24) + (s12*s1234*s23)/(s123*s13*s234*s24) - 
   (4*s1234*s14*s23)/(s12*s123*s234*s24) - (4*s1234*s14*s23)/
    (s123*s13*s234*s24) - (12*s1234*s23^2)/(s12*s123*s234*s24) + 
   (5*D*s1234*s23^2)/(s12*s123*s234*s24) - (D^2*s1234*s23^2)/
    (2*s12*s123*s234*s24) + (2*s1234*s23^2)/(s123*s13*s234*s24) + 
   (2*s1234*s24)/(s12*s123*s234) + (2*s1234*s24)/(s123*s13*s234) + 
   (4*s1234*s14)/(s12*s123*s34) + (4*s1234*s14)/(s123*s13*s34) - 
   (9*s1234*s23)/(s12*s123*s34) + (2*D*s1234*s23)/(s12*s123*s34) + 
   (2*s1234*s14*s23)/(s12*s123*s13*s34) - (12*s1234*s23^2)/
    (s12*s123*s13*s34) + (5*D*s1234*s23^2)/(s12*s123*s13*s34) - 
   (D^2*s1234*s23^2)/(2*s12*s123*s13*s34) - (10*s1234*s23)/(s234^2*s34) + 
   (3*D*s1234*s23)/(s234^2*s34) + (2*s12*s1234)/(s123*s234*s34) + 
   (2*s1234*s13)/(s12*s234*s34) + (2*s1234*s13)/(s123*s234*s34) + 
   (4*s1234*s14)/(s12*s234*s34) + (4*s1234*s14)/(s123*s234*s34) + 
   (4*s1234*s14)/(s13*s234*s34) + (4*s1234*s13*s14)/(s12*s123*s234*s34) + 
   (4*s1234*s14^2)/(s12*s123*s234*s34) + (4*s1234*s14^2)/
    (s123*s13*s234*s34) - (9*s1234*s23)/(s12*s234*s34) + 
   (2*D*s1234*s23)/(s12*s234*s34) - (s1234*s23)/(s123*s234*s34) + 
   (D*s1234*s23)/(s123*s234*s34) + (s1234*s13*s23)/(s12*s123*s234*s34) - 
   (4*s1234*s14*s23)/(s12*s123*s234*s34) - (4*s1234*s14*s23)/
    (s123*s13*s234*s34) + (2*s1234*s23^2)/(s12*s123*s234*s34) - 
   (12*s1234*s23^2)/(s123*s13*s234*s34) + (5*D*s1234*s23^2)/
    (s123*s13*s234*s34) - (D^2*s1234*s23^2)/(2*s123*s13*s234*s34) - 
   (2*s1234)/(s24*s34) + (4*s1234*s14^2)/(s12*s13*s24*s34) + 
   (4*s1234*s14*s23)/(s12*s13*s24*s34) - (12*s1234*s23^2)/(s12*s13*s24*s34) + 
   (5*D*s1234*s23^2)/(s12*s13*s24*s34) - (D^2*s1234*s23^2)/
    (2*s12*s13*s24*s34) - (12*s1234*s23^2)/(s234^2*s24*s34) + 
   (5*D*s1234*s23^2)/(s234^2*s24*s34) - (D^2*s1234*s23^2)/
    (2*s234^2*s24*s34) + (2*s1234*s23)/(s234*s24*s34) + 
   (2*s1234*s14*s23)/(s12*s234*s24*s34) + (2*s1234*s14*s23)/
    (s13*s234*s24*s34) - (12*s1234*s23^2)/(s12*s234*s24*s34) + 
   (5*D*s1234*s23^2)/(s12*s234*s24*s34) - (D^2*s1234*s23^2)/
    (2*s12*s234*s24*s34) - (12*s1234*s23^2)/(s13*s234*s24*s34) + 
   (5*D*s1234*s23^2)/(s13*s234*s24*s34) - (D^2*s1234*s23^2)/
    (2*s13*s234*s24*s34) + (2*s1234*s24)/(s12*s123*s34) + 
   (6*s1234*s24)/(s123*s234*s34) + (8*s1234*s13*s24)/(s12*s123*s234*s34) + 
   (4*s1234*s14*s24)/(s12*s123*s234*s34) + (s1234*s23*s24)/
    (s12*s123*s234*s34) + (2*s1234*s34)/(s12*s123*s234) + 
   (2*s1234*s34)/(s123*s13*s234) + (2*s1234*s34)/(s123*s13*s24) + 
   (6*s1234*s34)/(s123*s234*s24) + (8*s12*s1234*s34)/(s123*s13*s234*s24) + 
   (4*s1234*s14*s34)/(s123*s13*s234*s24) + (s1234*s23*s34)/
    (s123*s13*s234*s24) + (12*s1234*z1)/(s123^2*z2) - 
   (4*s1234*z1)/(s12*s123*z2) + (8*s12*s1234*z1)/(s123^2*s13*z2) - 
   (12*s1234*z1)/(s123*s13*z2) + (4*s1234*s13*z1)/(s12*s123^2*z2) + 
   (6*s1234*s23*z1)/(s12*s123^2*z2) + (10*s1234*s23*z1)/(s123^2*s13*z2) - 
   (2*s1234*s23*z1)/(s12*s123*s13*z2) + (2*s1234*s23^2*z1)/
    (s12*s123^2*s13*z2) - (4*s1234*z1)/(s12*s234*z2) + 
   (4*s1234*z1)/(s123*s234*z2) - (4*s1234*z1)/(s13*s234*z2) + 
   (4*s12*s1234*z1)/(s123*s13*s234*z2) - (4*s1234*s14*z1)/
    (s12*s123*s234*z2) - (4*s1234*s14*z1)/(s123*s13*s234*z2) + 
   (s1234*s23*z1)/(s12*s123*s234*z2) + (9*s1234*s23*z1)/(s123*s13*s234*z2) + 
   (s1234*s23*z1)/(s123*s234*s24*z2) + (s12*s1234*s23*z1)/
    (s123*s13*s234*s24*z2) + (s1234*s23^2*z1)/(s123*s13*s234*s24*z2) - 
   (4*s1234*s24*z1)/(s12*s123*s234*z2) + (4*s1234*s24*z1)/
    (s123*s13*s234*z2) + (4*s1234*z1)/(s12*s34*z2) + 
   (8*s1234*s14*z1)/(s12*s123*s34*z2) - (4*s1234*s14*z1)/(s12*s13*s34*z2) + 
   (8*s1234*s14*z1)/(s123*s13*s34*z2) - (s1234*s23*z1)/(s12*s13*s34*z2) + 
   (4*s1234*s14*s23*z1)/(s12*s123*s13*s34*z2) + 
   (s1234*s23^2*z1)/(s12*s123*s13*s34*z2) - (4*s1234*s23*z1)/
    (s12*s234*s34*z2) + (s1234*s23*z1)/(s123*s234*s34*z2) + 
   (s12*s1234*s23*z1)/(s123*s13*s234*s34*z2) - (4*s1234*s14*s23*z1)/
    (s12*s123*s234*s34*z2) - (4*s1234*s14*s23*z1)/(s123*s13*s234*s34*z2) + 
   (s1234*s23^2*z1)/(s12*s123*s234*s34*z2) + (2*s1234*s23^2*z1)/
    (s123*s13*s234*s34*z2) - (s1234*s23*z1)/(s13*s24*s34*z2) + 
   (s1234*s23^2*z1)/(s13*s234*s24*s34*z2) + (4*s1234*s24*z1)/
    (s12*s123*s34*z2) - (4*s1234*s24*z1)/(s12*s234*s34*z2) - 
   (4*s1234*s14*s24*z1)/(s12*s123*s234*s34*z2) - 
   (4*s1234*s14*s24*z1)/(s123*s13*s234*s34*z2) - 
   (3*s1234*s23*s24*z1)/(s12*s123*s234*s34*z2) + 
   (s1234*s23*s24*z1)/(s123*s13*s234*s34*z2) - 
   (4*s1234*s24^2*z1)/(s12*s123*s234*s34*z2) + 
   (4*s1234*s34*z1)/(s123*s13*s234*z2) + (12*s1234*z1)/(s123^2*z3) - 
   (12*s1234*z1)/(s12*s123*z3) + (4*s12*s1234*z1)/(s123^2*s13*z3) - 
   (4*s1234*z1)/(s123*s13*z3) + (8*s1234*s13*z1)/(s12*s123^2*z3) + 
   (10*s1234*s23*z1)/(s12*s123^2*z3) + (6*s1234*s23*z1)/(s123^2*s13*z3) - 
   (2*s1234*s23*z1)/(s12*s123*s13*z3) + (2*s1234*s23^2*z1)/
    (s12*s123^2*s13*z3) - (4*s1234*z1)/(s12*s234*z3) + 
   (4*s1234*z1)/(s123*s234*z3) - (4*s1234*z1)/(s13*s234*z3) + 
   (4*s1234*s13*z1)/(s12*s123*s234*z3) - (4*s1234*s14*z1)/
    (s12*s123*s234*z3) - (4*s1234*s14*z1)/(s123*s13*s234*z3) + 
   (9*s1234*s23*z1)/(s12*s123*s234*z3) + (s1234*s23*z1)/(s123*s13*s234*z3) + 
   (4*s1234*z1)/(s13*s24*z3) + (8*s1234*s14*z1)/(s12*s123*s24*z3) - 
   (4*s1234*s14*z1)/(s12*s13*s24*z3) + (8*s1234*s14*z1)/(s123*s13*s24*z3) - 
   (s1234*s23*z1)/(s12*s13*s24*z3) + (4*s1234*s14*s23*z1)/
    (s12*s123*s13*s24*z3) + (s1234*s23^2*z1)/(s12*s123*s13*s24*z3) + 
   (s1234*s23*z1)/(s123*s234*s24*z3) - (4*s1234*s23*z1)/(s13*s234*s24*z3) + 
   (s1234*s13*s23*z1)/(s12*s123*s234*s24*z3) - (4*s1234*s14*s23*z1)/
    (s12*s123*s234*s24*z3) - (4*s1234*s14*s23*z1)/(s123*s13*s234*s24*z3) + 
   (2*s1234*s23^2*z1)/(s12*s123*s234*s24*z3) + 
   (s1234*s23^2*z1)/(s123*s13*s234*s24*z3) + (4*s1234*s24*z1)/
    (s12*s123*s234*z3) + (s1234*s23*z1)/(s123*s234*s34*z3) + 
   (s1234*s13*s23*z1)/(s12*s123*s234*s34*z3) + 
   (s1234*s23^2*z1)/(s12*s123*s234*s34*z3) - 
   (s1234*s23*z1)/(s12*s24*s34*z3) + (s1234*s23^2*z1)/(s12*s234*s24*s34*z3) + 
   (4*s1234*s34*z1)/(s12*s123*s234*z3) - (4*s1234*s34*z1)/
    (s123*s13*s234*z3) + (4*s1234*s34*z1)/(s123*s13*s24*z3) - 
   (4*s1234*s34*z1)/(s13*s234*s24*z3) - (4*s1234*s14*s34*z1)/
    (s12*s123*s234*s24*z3) - (4*s1234*s14*s34*z1)/(s123*s13*s234*s24*z3) + 
   (s1234*s23*s34*z1)/(s12*s123*s234*s24*z3) - (3*s1234*s23*s34*z1)/
    (s123*s13*s234*s24*z3) - (4*s1234*s34^2*z1)/(s123*s13*s234*s24*z3) + 
   (16*s1234*z1^2)/(s123^2*z2*z3) - (16*s1234*z1^2)/(s12*s123*z2*z3) + 
   (4*s1234*z1^2)/(s12*s13*z2*z3) + (8*s12*s1234*z1^2)/(s123^2*s13*z2*z3) - 
   (16*s1234*z1^2)/(s123*s13*z2*z3) + (8*s1234*s13*z1^2)/(s12*s123^2*z2*z3) + 
   (12*s1234*s23*z1^2)/(s12*s123^2*z2*z3) + (12*s1234*s23*z1^2)/
    (s123^2*s13*z2*z3) - (8*s1234*s23*z1^2)/(s12*s123*s13*z2*z3) + 
   (4*s1234*s23^2*z1^2)/(s12*s123^2*s13*z2*z3) + 
   (4*s1234*s23*z1^2)/(s12*s123*s234*z2*z3) + (4*s1234*s23*z1^2)/
    (s123*s13*s234*z2*z3) + (4*s1234*s24*z1^2)/(s12*s123*s234*z2*z3) + 
   (4*s1234*s24*z1^2)/(s123*s13*s234*z2*z3) + (4*s1234*s34*z1^2)/
    (s12*s123*s234*z2*z3) + (4*s1234*s34*z1^2)/(s123*s13*s234*z2*z3) + 
   (2*s1234*z2)/(s123^2*z3) - (2*s1234*z2)/(s12*s123*z3) + 
   (2*s1234*s13*z2)/(s12*s123^2*z3) + (2*s1234*s23*z2)/(s12*s123^2*z3) + 
   (2*s1234*z2)/(s234^2*z3) - (2*s1234*z2)/(s123*s234*z3) - 
   (2*s1234*s13*z2)/(s12*s123*s234*z3) - (4*s1234*s14*z2)/
    (s12*s123*s234*z3) - (s1234*s23*z2)/(s12*s123*s234*z3) + 
   (2*s1234*z2)/(s12*s24*z3) + (4*s1234*s14*z2)/(s12*s123*s24*z3) - 
   (s1234*s23*z2)/(s12*s123*s24*z3) + (2*s1234*s23*z2)/(s234^2*s24*z3) - 
   (2*s1234*z2)/(s234*s24*z3) - (s1234*s13*z2)/(s123*s234*s24*z3) - 
   (s1234*s13^2*z2)/(s12*s123*s234*s24*z3) + (4*s1234*s14*z2)/
    (s12*s234*s24*z3) - (4*s1234*s14*z2)/(s123*s234*s24*z3) - 
   (4*s1234*s13*s14*z2)/(s12*s123*s234*s24*z3) - 
   (s1234*s23*z2)/(s12*s234*s24*z3) - (s1234*s23*z2)/(s123*s234*s24*z3) - 
   (2*s1234*s13*s23*z2)/(s12*s123*s234*s24*z3) - 
   (8*s1234*s14*s23*z2)/(s12*s123*s234*s24*z3) - 
   (s1234*s13*z2)/(s123*s234*s34*z3) - (s1234*s13^2*z2)/
    (s12*s123*s234*s34*z3) - (s1234*s13*s23*z2)/(s12*s123*s234*s34*z3) + 
   (s1234*s13*z2)/(s12*s24*s34*z3) - (s1234*s13*s23*z2)/
    (s12*s234*s24*s34*z3) - (s1234*s34*z2)/(s12*s123*s234*z3) - 
   (s1234*s34*z2)/(s123*s13*s234*z3) + (s1234*s34*z2)/(s12*s13*s24*z3) - 
   (s1234*s23*s34*z2)/(s12*s123*s13*s24*z3) + 
   (2*s1234*s34*z2)/(s234^2*s24*z3) - (2*s1234*s34*z2)/(s123*s234*s24*z3) - 
   (2*s1234*s13*s34*z2)/(s12*s123*s234*s24*z3) - 
   (4*s1234*s14*s34*z2)/(s12*s123*s234*s24*z3) - 
   (2*s1234*s23*s34*z2)/(s12*s123*s234*s24*z3) - 
   (s1234*s23*s34*z2)/(s123*s13*s234*s24*z3) - 
   (s1234*s34^2*z2)/(s12*s123*s234*s24*z3) - (s1234*s34^2*z2)/
    (s123*s13*s234*s24*z3) + (2*s1234*z3)/(s123^2*z2) + 
   (2*s12*s1234*z3)/(s123^2*s13*z2) - (2*s1234*z3)/(s123*s13*z2) + 
   (2*s1234*s23*z3)/(s123^2*s13*z2) + (2*s1234*z3)/(s234^2*z2) - 
   (2*s1234*z3)/(s123*s234*z2) - (2*s12*s1234*z3)/(s123*s13*s234*z2) - 
   (4*s1234*s14*z3)/(s123*s13*s234*z2) - (s1234*s23*z3)/(s123*s13*s234*z2) - 
   (s12*s1234*z3)/(s123*s234*s24*z2) - (s12^2*s1234*z3)/
    (s123*s13*s234*s24*z2) - (s12*s1234*s23*z3)/(s123*s13*s234*s24*z2) - 
   (s1234*s24*z3)/(s12*s123*s234*z2) - (s1234*s24*z3)/(s123*s13*s234*z2) + 
   (2*s1234*z3)/(s13*s34*z2) + (4*s1234*s14*z3)/(s123*s13*s34*z2) - 
   (s1234*s23*z3)/(s123*s13*s34*z2) + (2*s1234*s23*z3)/(s234^2*s34*z2) - 
   (2*s1234*z3)/(s234*s34*z2) - (s12*s1234*z3)/(s123*s234*s34*z2) - 
   (s12^2*s1234*z3)/(s123*s13*s234*s34*z2) - (4*s1234*s14*z3)/
    (s123*s234*s34*z2) + (4*s1234*s14*z3)/(s13*s234*s34*z2) - 
   (4*s12*s1234*s14*z3)/(s123*s13*s234*s34*z2) - 
   (s1234*s23*z3)/(s123*s234*s34*z2) - (s1234*s23*z3)/(s13*s234*s34*z2) - 
   (2*s12*s1234*s23*z3)/(s123*s13*s234*s34*z2) - 
   (8*s1234*s14*s23*z3)/(s123*s13*s234*s34*z2) + 
   (s12*s1234*z3)/(s13*s24*s34*z2) - (s12*s1234*s23*z3)/
    (s13*s234*s24*s34*z2) + (s1234*s24*z3)/(s12*s13*s34*z2) - 
   (s1234*s23*s24*z3)/(s12*s123*s13*s34*z2) + 
   (2*s1234*s24*z3)/(s234^2*s34*z2) - (2*s1234*s24*z3)/(s123*s234*s34*z2) - 
   (2*s12*s1234*s24*z3)/(s123*s13*s234*s34*z2) - 
   (4*s1234*s14*s24*z3)/(s123*s13*s234*s34*z2) - 
   (s1234*s23*s24*z3)/(s12*s123*s234*s34*z2) - (2*s1234*s23*s24*z3)/
    (s123*s13*s234*s34*z2) - (s1234*s24^2*z3)/(s12*s123*s234*s34*z2) - 
   (s1234*s24^2*z3)/(s123*s13*s234*s34*z2) + (12*s1234*z4)/(s234^2*z2) + 
   (4*s1234*z4)/(s123*s234*z2) + (s1234*s23*z4)/(s12*s123*s234*z2) + 
   (s1234*s23*z4)/(s123*s13*s234*z2) - (4*s1234*z4)/(s123*s24*z2) + 
   (4*s1234*z4)/(s13*s24*z2) - (4*s12*s1234*z4)/(s123*s13*s24*z2) - 
   (4*s1234*s23*z4)/(s123*s13*s24*z2) + (6*s1234*s23*z4)/(s234^2*s24*z2) - 
   (4*s1234*z4)/(s234*s24*z2) - (4*s12*s1234*z4)/(s123*s234*s24*z2) + 
   (4*s12*s1234*z4)/(s13*s234*s24*z2) - (4*s12^2*s1234*z4)/
    (s123*s13*s234*s24*z2) - (4*s1234*s14*z4)/(s123*s234*s24*z2) + 
   (8*s1234*s14*z4)/(s13*s234*s24*z2) - (4*s12*s1234*s14*z4)/
    (s123*s13*s234*s24*z2) + (s1234*s23*z4)/(s123*s234*s24*z2) - 
   (3*s12*s1234*s23*z4)/(s123*s13*s234*s24*z2) - 
   (4*s1234*s14*s23*z4)/(s123*s13*s234*s24*z2) + 
   (s1234*s23^2*z4)/(s123*s13*s234*s24*z2) - (4*s1234*z4)/(s123*s34*z2) - 
   (s1234*s23*z4)/(s12*s13*s34*z2) + (s1234*s23^2*z4)/(s12*s123*s13*s34*z2) + 
   (10*s1234*s23*z4)/(s234^2*s34*z2) - (12*s1234*z4)/(s234*s34*z2) + 
   (4*s12*s1234*z4)/(s123*s234*s34*z2) + (4*s1234*s13*z4)/
    (s123*s234*s34*z2) - (4*s1234*s14*z4)/(s123*s234*s34*z2) + 
   (8*s1234*s14*z4)/(s13*s234*s34*z2) - (4*s12*s1234*s14*z4)/
    (s123*s13*s234*s34*z2) + (9*s1234*s23*z4)/(s123*s234*s34*z2) + 
   (s12*s1234*s23*z4)/(s123*s13*s234*s34*z2) - (4*s1234*s14*s23*z4)/
    (s123*s13*s234*s34*z2) + (s1234*s23^2*z4)/(s12*s123*s234*s34*z2) + 
   (2*s1234*s23^2*z4)/(s123*s13*s234*s34*z2) - 
   (4*s1234*s14*z4)/(s13*s24*s34*z2) - (s1234*s23*z4)/(s13*s24*s34*z2) + 
   (2*s1234*s23^2*z4)/(s234^2*s24*s34*z2) - (2*s1234*s23*z4)/
    (s234*s24*s34*z2) + (4*s1234*s14*s23*z4)/(s13*s234*s24*s34*z2) + 
   (s1234*s23^2*z4)/(s13*s234*s24*s34*z2) + (8*s1234*s24*z4)/
    (s234^2*s34*z2) + (4*s1234*s24*z4)/(s123*s234*s34*z2) + 
   (s1234*s23*s24*z4)/(s12*s123*s234*s34*z2) + 
   (s1234*s23*s24*z4)/(s123*s13*s234*s34*z2) + 
   (4*s1234*s34*z4)/(s234^2*s24*z2) + (12*s1234*z4)/(s234^2*z3) + 
   (4*s1234*z4)/(s123*s234*z3) + (s1234*s23*z4)/(s12*s123*s234*z3) + 
   (s1234*s23*z4)/(s123*s13*s234*z3) - (4*s1234*z4)/(s123*s24*z3) - 
   (s1234*s23*z4)/(s12*s13*s24*z3) + (s1234*s23^2*z4)/(s12*s123*s13*s24*z3) + 
   (10*s1234*s23*z4)/(s234^2*s24*z3) - (12*s1234*z4)/(s234*s24*z3) + 
   (4*s12*s1234*z4)/(s123*s234*s24*z3) + (4*s1234*s13*z4)/
    (s123*s234*s24*z3) + (8*s1234*s14*z4)/(s12*s234*s24*z3) - 
   (4*s1234*s14*z4)/(s123*s234*s24*z3) - (4*s1234*s13*s14*z4)/
    (s12*s123*s234*s24*z3) + (9*s1234*s23*z4)/(s123*s234*s24*z3) + 
   (s1234*s13*s23*z4)/(s12*s123*s234*s24*z3) - (4*s1234*s14*s23*z4)/
    (s12*s123*s234*s24*z3) + (2*s1234*s23^2*z4)/(s12*s123*s234*s24*z3) + 
   (s1234*s23^2*z4)/(s123*s13*s234*s24*z3) + (4*s1234*z4)/(s12*s34*z3) - 
   (4*s1234*z4)/(s123*s34*z3) - (4*s1234*s13*z4)/(s12*s123*s34*z3) - 
   (4*s1234*s23*z4)/(s12*s123*s34*z3) + (6*s1234*s23*z4)/(s234^2*s34*z3) - 
   (4*s1234*z4)/(s234*s34*z3) + (4*s1234*s13*z4)/(s12*s234*s34*z3) - 
   (4*s1234*s13*z4)/(s123*s234*s34*z3) - (4*s1234*s13^2*z4)/
    (s12*s123*s234*s34*z3) + (8*s1234*s14*z4)/(s12*s234*s34*z3) - 
   (4*s1234*s14*z4)/(s123*s234*s34*z3) - (4*s1234*s13*s14*z4)/
    (s12*s123*s234*s34*z3) + (s1234*s23*z4)/(s123*s234*s34*z3) - 
   (3*s1234*s13*s23*z4)/(s12*s123*s234*s34*z3) - 
   (4*s1234*s14*s23*z4)/(s12*s123*s234*s34*z3) + 
   (s1234*s23^2*z4)/(s12*s123*s234*s34*z3) - (4*s1234*s14*z4)/
    (s12*s24*s34*z3) - (s1234*s23*z4)/(s12*s24*s34*z3) + 
   (2*s1234*s23^2*z4)/(s234^2*s24*s34*z3) - (2*s1234*s23*z4)/
    (s234*s24*s34*z3) + (4*s1234*s14*s23*z4)/(s12*s234*s24*s34*z3) + 
   (s1234*s23^2*z4)/(s12*s234*s24*s34*z3) + (4*s1234*s24*z4)/
    (s234^2*s34*z3) + (8*s1234*s34*z4)/(s234^2*s24*z3) + 
   (4*s1234*s34*z4)/(s123*s234*s24*z3) + (s1234*s23*s34*z4)/
    (s12*s123*s234*s24*z3) + (s1234*s23*s34*z4)/(s123*s13*s234*s24*z3) - 
   (8*s1234*z1*z4)/(s12*s234*z2*z3) + (8*s1234*z1*z4)/(s123*s234*z2*z3) - 
   (8*s1234*z1*z4)/(s13*s234*z2*z3) + (4*s12*s1234*z1*z4)/
    (s123*s13*s234*z2*z3) + (4*s1234*s13*z1*z4)/(s12*s123*s234*z2*z3) + 
   (4*s1234*s23*z1*z4)/(s12*s123*s234*z2*z3) + (4*s1234*s23*z1*z4)/
    (s123*s13*s234*z2*z3) - (8*s1234*z1*z4)/(s123*s24*z2*z3) + 
   (12*s1234*z1*z4)/(s13*s24*z2*z3) - (8*s12*s1234*z1*z4)/
    (s123*s13*s24*z2*z3) - (8*s1234*s23*z1*z4)/(s123*s13*s24*z2*z3) + 
   (4*s1234*s23*z1*z4)/(s123*s234*s24*z2*z3) - (8*s1234*s23*z1*z4)/
    (s13*s234*s24*z2*z3) + (4*s12*s1234*s23*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (4*s1234*s23^2*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (12*s1234*z1*z4)/(s12*s34*z2*z3) - 
   (8*s1234*z1*z4)/(s123*s34*z2*z3) - (8*s1234*s13*z1*z4)/
    (s12*s123*s34*z2*z3) - (8*s1234*s23*z1*z4)/(s12*s123*s34*z2*z3) - 
   (8*s1234*s23*z1*z4)/(s12*s234*s34*z2*z3) + (4*s1234*s23*z1*z4)/
    (s123*s234*s34*z2*z3) + (4*s1234*s13*s23*z1*z4)/
    (s12*s123*s234*s34*z2*z3) + (4*s1234*s23^2*z1*z4)/
    (s12*s123*s234*s34*z2*z3) - (8*s1234*s24*z1*z4)/(s12*s234*s34*z2*z3) + 
   (4*s1234*s24*z1*z4)/(s123*s234*s34*z2*z3) + (4*s1234*s13*s24*z1*z4)/
    (s12*s123*s234*s34*z2*z3) + (4*s1234*s23*s24*z1*z4)/
    (s12*s123*s234*s34*z2*z3) + (4*s1234*s34*z1*z4)/(s123*s234*s24*z2*z3) - 
   (8*s1234*s34*z1*z4)/(s13*s234*s24*z2*z3) + (4*s12*s1234*s34*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (4*s1234*s23*s34*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (16*s1234*z4^2)/(s234^2*z2*z3) + 
   (12*s1234*s23*z4^2)/(s234^2*s24*z2*z3) - (16*s1234*z4^2)/
    (s234*s24*z2*z3) + (4*s12*s1234*z4^2)/(s123*s234*s24*z2*z3) + 
   (4*s1234*s13*z4^2)/(s123*s234*s24*z2*z3) + (4*s1234*s23*z4^2)/
    (s123*s234*s24*z2*z3) + (12*s1234*s23*z4^2)/(s234^2*s34*z2*z3) - 
   (16*s1234*z4^2)/(s234*s34*z2*z3) + (4*s12*s1234*z4^2)/
    (s123*s234*s34*z2*z3) + (4*s1234*s13*z4^2)/(s123*s234*s34*z2*z3) + 
   (4*s1234*s23*z4^2)/(s123*s234*s34*z2*z3) + 
   (4*s1234*z4^2)/(s24*s34*z2*z3) + (4*s1234*s23^2*z4^2)/
    (s234^2*s24*s34*z2*z3) - (8*s1234*s23*z4^2)/(s234*s24*s34*z2*z3) + 
   (8*s1234*s24*z4^2)/(s234^2*s34*z2*z3) + (8*s1234*s34*z4^2)/
    (s234^2*s24*z2*z3)) + gg*((8*s1234)/s123 - (D*s1234)/s123 - 
   (s12*s1234)/(s123*s13) + (D*s12*s1234)/(2*s123*s13) - 
   (s1234*s13)/(s12*s123) + (D*s1234*s13)/(2*s12*s123) + 
   (2*s1234*s14)/s123^2 - (D*s1234*s14)/s123^2 - (s1234*s14)/(s12*s123) - 
   (s1234*s14)/(s123*s13) - (14*s1234*s23)/(s12*s123) + 
   (13*D*s1234*s23)/(2*s12*s123) - (3*D^2*s1234*s23)/(4*s12*s123) - 
   (14*s1234*s23)/(s123*s13) + (13*D*s1234*s23)/(2*s123*s13) - 
   (3*D^2*s1234*s23)/(4*s123*s13) + (5*s1234*s14*s23)/(s12*s123^2) - 
   (3*D*s1234*s14*s23)/(2*s12*s123^2) + (5*s1234*s14*s23)/(s123^2*s13) - 
   (3*D*s1234*s14*s23)/(2*s123^2*s13) - (2*s1234*s14*s23)/(s12*s123*s13) + 
   (6*s1234*s14*s23^2)/(s12*s123^2*s13) - (5*D*s1234*s14*s23^2)/
    (2*s12*s123^2*s13) + (D^2*s1234*s14*s23^2)/(4*s12*s123^2*s13) - 
   (2*s12*s1234)/s234^2 + (D*s12*s1234)/(2*s234^2) - (2*s1234*s13)/s234^2 + 
   (D*s1234*s13)/(2*s234^2) + (2*s1234*s14)/s234^2 - (D*s1234*s14)/s234^2 + 
   (8*s1234)/s234 - (D*s1234)/s234 + (11*s12*s1234)/(s123*s234) - 
   (2*D*s12*s1234)/(s123*s234) + (2*s12^2*s1234)/(s123*s13*s234) - 
   (D*s12^2*s1234)/(2*s123*s13*s234) + (11*s1234*s13)/(s123*s234) - 
   (2*D*s1234*s13)/(s123*s234) + (2*s1234*s13^2)/(s12*s123*s234) - 
   (D*s1234*s13^2)/(2*s12*s123*s234) - (s1234*s14)/(s12*s234) + 
   (10*s1234*s14)/(s123*s234) - (4*D*s1234*s14)/(s123*s234) - 
   (s1234*s14)/(s13*s234) + (s12*s1234*s14)/(s123*s13*s234) - 
   (D*s12*s1234*s14)/(s123*s13*s234) + (s1234*s13*s14)/(s12*s123*s234) - 
   (D*s1234*s13*s14)/(s12*s123*s234) - (4*s1234*s14^2)/(s12*s123*s234) - 
   (4*s1234*s14^2)/(s123*s13*s234) - (24*s1234*s23)/(s123*s234) + 
   (10*D*s1234*s23)/(s123*s234) - (D^2*s1234*s23)/(s123*s234) - 
   (8*s12*s1234*s23)/(s123*s13*s234) + (3*D*s12*s1234*s23)/(s123*s13*s234) - 
   (D^2*s12*s1234*s23)/(4*s123*s13*s234) - (8*s1234*s13*s23)/
    (s12*s123*s234) + (3*D*s1234*s13*s23)/(s12*s123*s234) - 
   (D^2*s1234*s13*s23)/(4*s12*s123*s234) + (2*s1234*s14*s23)/
    (s12*s123*s234) - (D*s1234*s14*s23)/(s12*s123*s234) + 
   (2*s1234*s14*s23)/(s123*s13*s234) - (D*s1234*s14*s23)/(s123*s13*s234) - 
   (s12*s1234)/(s13*s24) + (4*s1234*s14)/(s12*s24) - 
   (D*s1234*s14)/(s12*s24) - (s1234*s14)/(s123*s24) + (s1234*s14)/(s13*s24) - 
   (s12*s1234*s14)/(s123*s13*s24) - (2*s1234*s14^2)/(s12*s123*s24) - 
   (s1234*s14^2)/(s12*s13*s24) - (2*s1234*s14^2)/(s123*s13*s24) - 
   (11*s1234*s23)/(s13*s24) + (9*D*s1234*s23)/(2*s13*s24) - 
   (D^2*s1234*s23)/(2*s13*s24) + (s1234*s14*s23)/(s12*s123*s24) - 
   (D*s1234*s14*s23)/(2*s12*s123*s24) + (2*s1234*s14*s23)/(s12*s13*s24) - 
   (D*s1234*s14*s23)/(2*s12*s13*s24) + (6*s1234*s14*s23)/(s123*s13*s24) - 
   (3*D*s1234*s14*s23)/(2*s123*s13*s24) - (s1234*s14^2*s23)/
    (s12*s123*s13*s24) + (8*s1234*s14*s23^2)/(s12*s123*s13*s24) - 
   (3*D*s1234*s14*s23^2)/(s12*s123*s13*s24) + (D^2*s1234*s14*s23^2)/
    (4*s12*s123*s13*s24) - (4*s12*s1234*s23)/(s234^2*s24) + 
   (2*D*s12*s1234*s23)/(s234^2*s24) - (D^2*s12*s1234*s23)/(4*s234^2*s24) - 
   (2*s1234*s13*s23)/(s234^2*s24) + (3*D*s1234*s13*s23)/(2*s234^2*s24) - 
   (D^2*s1234*s13*s23)/(4*s234^2*s24) + (5*s1234*s14*s23)/(s234^2*s24) - 
   (3*D*s1234*s14*s23)/(2*s234^2*s24) + (2*s12*s1234)/(s234*s24) - 
   (D*s12*s1234)/(2*s234*s24) + (s12^2*s1234)/(s13*s234*s24) - 
   (D*s12^2*s1234)/(2*s13*s234*s24) - (s1234*s14)/(s234*s24) - 
   (2*s12*s1234*s14)/(s123*s234*s24) + (s12*s1234*s14)/(s13*s234*s24) - 
   (D*s12*s1234*s14)/(s13*s234*s24) - (s12^2*s1234*s14)/(s123*s13*s234*s24) + 
   (2*s1234*s13*s14)/(s12*s234*s24) - (D*s1234*s13*s14)/(s12*s234*s24) - 
   (s1234*s13*s14)/(s123*s234*s24) - (2*s1234*s14^2)/(s12*s234*s24) - 
   (4*s1234*s14^2)/(s123*s234*s24) - (2*s1234*s14^2)/(s13*s234*s24) - 
   (3*s12*s1234*s14^2)/(s123*s13*s234*s24) - (s1234*s13*s14^2)/
    (s12*s123*s234*s24) - (2*s1234*s14^3)/(s12*s123*s234*s24) - 
   (2*s1234*s14^3)/(s123*s13*s234*s24) - (14*s1234*s23)/(s234*s24) + 
   (13*D*s1234*s23)/(2*s234*s24) - (3*D^2*s1234*s23)/(4*s234*s24) - 
   (7*s12*s1234*s23)/(s13*s234*s24) + (5*D*s12*s1234*s23)/(2*s13*s234*s24) - 
   (D^2*s12*s1234*s23)/(4*s13*s234*s24) + (s1234*s14*s23)/(s12*s234*s24) - 
   (D*s1234*s14*s23)/(2*s12*s234*s24) + (2*s1234*s14*s23)/(s123*s234*s24) - 
   (D*s1234*s14*s23)/(s123*s234*s24) + (6*s1234*s14*s23)/(s13*s234*s24) - 
   (3*D*s1234*s14*s23)/(2*s13*s234*s24) - (s12*s1234*s14*s23)/
    (s123*s13*s234*s24) + (2*s1234*s13*s14*s23)/(s12*s123*s234*s24) - 
   (D*s1234*s13*s14*s23)/(2*s12*s123*s234*s24) + 
   (10*s1234*s14*s23^2)/(s12*s123*s234*s24) - (7*D*s1234*s14*s23^2)/
    (2*s12*s123*s234*s24) + (D^2*s1234*s14*s23^2)/(4*s12*s123*s234*s24) - 
   (s1234*s14*s23^2)/(s123*s13*s234*s24) - (2*s1234*s24)/s123^2 + 
   (D*s1234*s24)/(2*s123^2) + (2*s1234*s24)/(s12*s123) - 
   (D*s1234*s24)/(2*s12*s123) - (s12*s1234*s24)/(s123^2*s13) + 
   (D*s12*s1234*s24)/(2*s123^2*s13) - (3*s1234*s13*s24)/(s12*s123^2) + 
   (D*s1234*s13*s24)/(s12*s123^2) - (4*s1234*s23*s24)/(s12*s123^2) + 
   (2*D*s1234*s23*s24)/(s12*s123^2) - (D^2*s1234*s23*s24)/(4*s12*s123^2) - 
   (2*s1234*s23*s24)/(s123^2*s13) + (3*D*s1234*s23*s24)/(2*s123^2*s13) - 
   (D^2*s1234*s23*s24)/(4*s123^2*s13) + (11*s1234*s24)/(s123*s234) - 
   (2*D*s1234*s24)/(s123*s234) - (2*s1234*s13*s24)/(s12*s123*s234) + 
   (D*s1234*s13*s24)/(2*s12*s123*s234) - (2*s1234*s14*s24)/(s12*s123*s234) - 
   (s1234*s14*s24)/(s123*s13*s234) - (s1234*s13)/(s12*s34) + 
   (s1234*s14)/(s12*s34) - (s1234*s14)/(s123*s34) + (4*s1234*s14)/(s13*s34) - 
   (D*s1234*s14)/(s13*s34) - (s1234*s13*s14)/(s12*s123*s34) - 
   (2*s1234*s14^2)/(s12*s123*s34) - (s1234*s14^2)/(s12*s13*s34) - 
   (2*s1234*s14^2)/(s123*s13*s34) - (11*s1234*s23)/(s12*s34) + 
   (9*D*s1234*s23)/(2*s12*s34) - (D^2*s1234*s23)/(2*s12*s34) + 
   (6*s1234*s14*s23)/(s12*s123*s34) - (3*D*s1234*s14*s23)/(2*s12*s123*s34) + 
   (2*s1234*s14*s23)/(s12*s13*s34) - (D*s1234*s14*s23)/(2*s12*s13*s34) + 
   (s1234*s14*s23)/(s123*s13*s34) - (D*s1234*s14*s23)/(2*s123*s13*s34) - 
   (s1234*s14^2*s23)/(s12*s123*s13*s34) + (8*s1234*s14*s23^2)/
    (s12*s123*s13*s34) - (3*D*s1234*s14*s23^2)/(s12*s123*s13*s34) + 
   (D^2*s1234*s14*s23^2)/(4*s12*s123*s13*s34) - 
   (2*s12*s1234*s23)/(s234^2*s34) + (3*D*s12*s1234*s23)/(2*s234^2*s34) - 
   (D^2*s12*s1234*s23)/(4*s234^2*s34) - (4*s1234*s13*s23)/(s234^2*s34) + 
   (2*D*s1234*s13*s23)/(s234^2*s34) - (D^2*s1234*s13*s23)/(4*s234^2*s34) + 
   (5*s1234*s14*s23)/(s234^2*s34) - (3*D*s1234*s14*s23)/(2*s234^2*s34) + 
   (2*s1234*s13)/(s234*s34) - (D*s1234*s13)/(2*s234*s34) + 
   (s1234*s13^2)/(s12*s234*s34) - (D*s1234*s13^2)/(2*s12*s234*s34) - 
   (s1234*s14)/(s234*s34) - (s12*s1234*s14)/(s123*s234*s34) + 
   (2*s12*s1234*s14)/(s13*s234*s34) - (D*s12*s1234*s14)/(s13*s234*s34) + 
   (s1234*s13*s14)/(s12*s234*s34) - (D*s1234*s13*s14)/(s12*s234*s34) - 
   (2*s1234*s13*s14)/(s123*s234*s34) - (s1234*s13^2*s14)/
    (s12*s123*s234*s34) - (2*s1234*s14^2)/(s12*s234*s34) - 
   (4*s1234*s14^2)/(s123*s234*s34) - (2*s1234*s14^2)/(s13*s234*s34) - 
   (s12*s1234*s14^2)/(s123*s13*s234*s34) - (3*s1234*s13*s14^2)/
    (s12*s123*s234*s34) - (2*s1234*s14^3)/(s12*s123*s234*s34) - 
   (2*s1234*s14^3)/(s123*s13*s234*s34) - (14*s1234*s23)/(s234*s34) + 
   (13*D*s1234*s23)/(2*s234*s34) - (3*D^2*s1234*s23)/(4*s234*s34) - 
   (7*s1234*s13*s23)/(s12*s234*s34) + (5*D*s1234*s13*s23)/(2*s12*s234*s34) - 
   (D^2*s1234*s13*s23)/(4*s12*s234*s34) + (6*s1234*s14*s23)/(s12*s234*s34) - 
   (3*D*s1234*s14*s23)/(2*s12*s234*s34) + (2*s1234*s14*s23)/(s123*s234*s34) - 
   (D*s1234*s14*s23)/(s123*s234*s34) + (s1234*s14*s23)/(s13*s234*s34) - 
   (D*s1234*s14*s23)/(2*s13*s234*s34) + (2*s12*s1234*s14*s23)/
    (s123*s13*s234*s34) - (D*s12*s1234*s14*s23)/(2*s123*s13*s234*s34) - 
   (s1234*s13*s14*s23)/(s12*s123*s234*s34) - (s1234*s14*s23^2)/
    (s12*s123*s234*s34) + (10*s1234*s14*s23^2)/(s123*s13*s234*s34) - 
   (7*D*s1234*s14*s23^2)/(2*s123*s13*s234*s34) + 
   (D^2*s1234*s14*s23^2)/(4*s123*s13*s234*s34) - 
   (s1234*s14^2)/(s12*s24*s34) - (s1234*s14^2)/(s13*s24*s34) - 
   (2*s1234*s14^3)/(s12*s13*s24*s34) + (2*s1234*s14*s23)/(s12*s24*s34) - 
   (D*s1234*s14*s23)/(2*s12*s24*s34) + (2*s1234*s14*s23)/(s13*s24*s34) - 
   (D*s1234*s14*s23)/(2*s13*s24*s34) - (2*s1234*s14^2*s23)/
    (s12*s13*s24*s34) + (10*s1234*s14*s23^2)/(s12*s13*s24*s34) - 
   (7*D*s1234*s14*s23^2)/(2*s12*s13*s24*s34) + (D^2*s1234*s14*s23^2)/
    (4*s12*s13*s24*s34) + (6*s1234*s14*s23^2)/(s234^2*s24*s34) - 
   (5*D*s1234*s14*s23^2)/(2*s234^2*s24*s34) + (D^2*s1234*s14*s23^2)/
    (4*s234^2*s24*s34) - (2*s1234*s14*s23)/(s234*s24*s34) + 
   (s12*s1234*s14*s23)/(s13*s234*s24*s34) - (D*s12*s1234*s14*s23)/
    (2*s13*s234*s24*s34) + (s1234*s13*s14*s23)/(s12*s234*s24*s34) - 
   (D*s1234*s13*s14*s23)/(2*s12*s234*s24*s34) - 
   (s1234*s14^2*s23)/(s12*s234*s24*s34) - (s1234*s14^2*s23)/
    (s13*s234*s24*s34) + (8*s1234*s14*s23^2)/(s12*s234*s24*s34) - 
   (3*D*s1234*s14*s23^2)/(s12*s234*s24*s34) + (D^2*s1234*s14*s23^2)/
    (4*s12*s234*s24*s34) + (8*s1234*s14*s23^2)/(s13*s234*s24*s34) - 
   (3*D*s1234*s14*s23^2)/(s13*s234*s24*s34) + (D^2*s1234*s14*s23^2)/
    (4*s13*s234*s24*s34) - (s1234*s24)/(s12*s34) - 
   (6*s1234*s13*s24)/(s12*s123*s34) + (D*s1234*s13*s24)/(s12*s123*s34) + 
   (s1234*s14*s24)/(s12*s123*s34) - (D*s1234*s14*s24)/(s12*s123*s34) + 
   (2*s1234*s14*s24)/(s123*s13*s34) - (D*s1234*s14*s24)/(s123*s13*s34) - 
   (7*s1234*s23*s24)/(s12*s123*s34) + (5*D*s1234*s23*s24)/(2*s12*s123*s34) - 
   (D^2*s1234*s23*s24)/(4*s12*s123*s34) + (s1234*s14*s23*s24)/
    (s12*s123*s13*s34) - (D*s1234*s14*s23*s24)/(2*s12*s123*s13*s34) - 
   (s12*s1234*s24)/(s234^2*s34) + (D*s12*s1234*s24)/(2*s234^2*s34) - 
   (3*s1234*s13*s24)/(s234^2*s34) + (D*s1234*s13*s24)/(s234^2*s34) - 
   (s1234*s24)/(s234*s34) + (D*s1234*s24)/(2*s234*s34) - 
   (6*s1234*s13*s24)/(s12*s234*s34) + (D*s1234*s13*s24)/(s12*s234*s34) - 
   (2*s1234*s13*s24)/(s123*s234*s34) + (D*s1234*s13*s24)/(2*s123*s234*s34) - 
   (s1234*s13^2*s24)/(s12*s123*s234*s34) - (s1234*s14*s24)/(s12*s234*s34) + 
   (s1234*s14*s24)/(s123*s234*s34) - (D*s1234*s14*s24)/(s123*s234*s34) + 
   (4*s12*s1234*s14*s24)/(s123*s13*s234*s34) - (D*s12*s1234*s14*s24)/
    (s123*s13*s234*s34) - (5*s1234*s13*s14*s24)/(s12*s123*s234*s34) - 
   (3*s1234*s14^2*s24)/(s12*s123*s234*s34) - (s1234*s14^2*s24)/
    (s123*s13*s234*s34) - (8*s1234*s23*s24)/(s123*s234*s34) + 
   (3*D*s1234*s23*s24)/(s123*s234*s34) - (D^2*s1234*s23*s24)/
    (4*s123*s234*s34) - (s1234*s14*s23*s24)/(s12*s123*s234*s34) + 
   (2*s1234*s14*s23*s24)/(s123*s13*s234*s34) - (D*s1234*s14*s23*s24)/
    (2*s123*s13*s234*s34) + (s1234*s24^2)/(s12*s123*s34) - 
   (D*s1234*s24^2)/(2*s12*s123*s34) + (2*s1234*s24^2)/(s123*s234*s34) - 
   (D*s1234*s24^2)/(2*s123*s234*s34) - (s1234*s13*s24^2)/
    (s12*s123*s234*s34) - (s1234*s14*s24^2)/(s12*s123*s234*s34) - 
   (2*s1234*s34)/s123^2 + (D*s1234*s34)/(2*s123^2) - 
   (3*s12*s1234*s34)/(s123^2*s13) + (D*s12*s1234*s34)/(s123^2*s13) + 
   (2*s1234*s34)/(s123*s13) - (D*s1234*s34)/(2*s123*s13) - 
   (s1234*s13*s34)/(s12*s123^2) + (D*s1234*s13*s34)/(2*s12*s123^2) - 
   (2*s1234*s23*s34)/(s12*s123^2) + (3*D*s1234*s23*s34)/(2*s12*s123^2) - 
   (D^2*s1234*s23*s34)/(4*s12*s123^2) - (4*s1234*s23*s34)/(s123^2*s13) + 
   (2*D*s1234*s23*s34)/(s123^2*s13) - (D^2*s1234*s23*s34)/(4*s123^2*s13) + 
   (11*s1234*s34)/(s123*s234) - (2*D*s1234*s34)/(s123*s234) - 
   (2*s12*s1234*s34)/(s123*s13*s234) + (D*s12*s1234*s34)/(2*s123*s13*s234) - 
   (s1234*s14*s34)/(s12*s123*s234) - (2*s1234*s14*s34)/(s123*s13*s234) - 
   (s1234*s34)/(s13*s24) - (6*s12*s1234*s34)/(s123*s13*s24) + 
   (D*s12*s1234*s34)/(s123*s13*s24) + (2*s1234*s14*s34)/(s12*s123*s24) - 
   (D*s1234*s14*s34)/(s12*s123*s24) + (s1234*s14*s34)/(s123*s13*s24) - 
   (D*s1234*s14*s34)/(s123*s13*s24) - (7*s1234*s23*s34)/(s123*s13*s24) + 
   (5*D*s1234*s23*s34)/(2*s123*s13*s24) - (D^2*s1234*s23*s34)/
    (4*s123*s13*s24) + (s1234*s14*s23*s34)/(s12*s123*s13*s24) - 
   (D*s1234*s14*s23*s34)/(2*s12*s123*s13*s24) - 
   (3*s12*s1234*s34)/(s234^2*s24) + (D*s12*s1234*s34)/(s234^2*s24) - 
   (s1234*s13*s34)/(s234^2*s24) + (D*s1234*s13*s34)/(2*s234^2*s24) - 
   (s1234*s34)/(s234*s24) + (D*s1234*s34)/(2*s234*s24) - 
   (2*s12*s1234*s34)/(s123*s234*s24) + (D*s12*s1234*s34)/(2*s123*s234*s24) - 
   (6*s12*s1234*s34)/(s13*s234*s24) + (D*s12*s1234*s34)/(s13*s234*s24) - 
   (s12^2*s1234*s34)/(s123*s13*s234*s24) + (s1234*s14*s34)/(s123*s234*s24) - 
   (D*s1234*s14*s34)/(s123*s234*s24) - (s1234*s14*s34)/(s13*s234*s24) - 
   (5*s12*s1234*s14*s34)/(s123*s13*s234*s24) + (4*s1234*s13*s14*s34)/
    (s12*s123*s234*s24) - (D*s1234*s13*s14*s34)/(s12*s123*s234*s24) - 
   (s1234*s14^2*s34)/(s12*s123*s234*s24) - (3*s1234*s14^2*s34)/
    (s123*s13*s234*s24) - (8*s1234*s23*s34)/(s123*s234*s24) + 
   (3*D*s1234*s23*s34)/(s123*s234*s24) - (D^2*s1234*s23*s34)/
    (4*s123*s234*s24) + (2*s1234*s14*s23*s34)/(s12*s123*s234*s24) - 
   (D*s1234*s14*s23*s34)/(2*s12*s123*s234*s24) - 
   (s1234*s14*s23*s34)/(s123*s13*s234*s24) + (s1234*s34^2)/(s123*s13*s24) - 
   (D*s1234*s34^2)/(2*s123*s13*s24) + (2*s1234*s34^2)/(s123*s234*s24) - 
   (D*s1234*s34^2)/(2*s123*s234*s24) - (s12*s1234*s34^2)/
    (s123*s13*s234*s24) - (s1234*s14*s34^2)/(s123*s13*s234*s24) - 
   (4*s1234*z1)/(s12*z2) + (D*s1234*z1)/(s12*z2) + (6*s1234*z1)/(s123*z2) - 
   (2*D*s1234*z1)/(s123*z2) + (3*s1234*z1)/(s13*z2) - 
   (2*s12*s1234*z1)/(s123*s13*z2) + (8*s1234*s13*z1)/(s12*s123*z2) - 
   (2*D*s1234*s13*z1)/(s12*s123*z2) - (6*s1234*s14*z1)/(s123^2*z2) + 
   (s1234*s14*z1)/(s12*s13*z2) - (4*s12*s1234*s14*z1)/(s123^2*s13*z2) + 
   (4*s1234*s14*z1)/(s123*s13*z2) - (2*s1234*s13*s14*z1)/(s12*s123^2*z2) + 
   (8*s1234*s23*z1)/(s12*s123*z2) - (2*D*s1234*s23*z1)/(s12*s123*z2) - 
   (2*s1234*s23*z1)/(s12*s13*z2) + (D*s1234*s23*z1)/(2*s12*s13*z2) - 
   (D*s1234*s23*z1)/(2*s123*s13*z2) - (3*s1234*s14*s23*z1)/(s12*s123^2*z2) - 
   (5*s1234*s14*s23*z1)/(s123^2*s13*z2) + (2*s1234*s23^2*z1)/
    (s12*s123*s13*z2) - (D*s1234*s23^2*z1)/(2*s12*s123*s13*z2) - 
   (s1234*s14*s23^2*z1)/(s12*s123^2*s13*z2) - (s1234*s23*z1)/(s234^2*z2) + 
   (D*s1234*s23*z1)/(2*s234^2*z2) - (s12*s1234*z1)/(s123*s234*z2) + 
   (s12*s1234*z1)/(s13*s234*z2) - (s12^2*s1234*z1)/(s123*s13*s234*z2) - 
   (2*s1234*s13*z1)/(s12*s234*z2) + (D*s1234*s13*z1)/(s12*s234*z2) + 
   (2*s1234*s14*z1)/(s12*s234*z2) - (2*s1234*s14*z1)/(s123*s234*z2) + 
   (4*s1234*s14*z1)/(s13*s234*z2) - (3*s12*s1234*s14*z1)/(s123*s13*s234*z2) + 
   (s1234*s13*s14*z1)/(s12*s123*s234*z2) + (2*s1234*s14^2*z1)/
    (s12*s123*s234*z2) + (2*s1234*s14^2*z1)/(s123*s13*s234*z2) - 
   (s1234*s23*z1)/(s12*s234*z2) + (D*s1234*s23*z1)/(2*s12*s234*z2) - 
   (s1234*s23*z1)/(s123*s234*z2) + (D*s1234*s23*z1)/(2*s123*s234*z2) - 
   (4*s1234*s23*z1)/(s13*s234*z2) + (D*s1234*s23*z1)/(2*s13*s234*z2) + 
   (2*s12*s1234*s23*z1)/(s123*s13*s234*z2) - (D*s12*s1234*s23*z1)/
    (2*s123*s13*s234*z2) - (4*s1234*s13*s23*z1)/(s12*s123*s234*z2) + 
   (D*s1234*s13*s23*z1)/(s12*s123*s234*z2) + (s1234*s14*s23*z1)/
    (s12*s123*s234*z2) - (4*s1234*s14*s23*z1)/(s123*s13*s234*z2) - 
   (2*s1234*s23^2*z1)/(s12*s123*s234*z2) + (D*s1234*s23^2*z1)/
    (2*s12*s123*s234*z2) + (3*s1234*s23^2*z1)/(s123*s13*s234*z2) - 
   (D*s1234*s23^2*z1)/(2*s123*s13*s234*z2) - (2*s1234*s24*z1)/(s123^2*z2) - 
   (s12*s1234*s24*z1)/(s123^2*s13*z2) + (2*s1234*s24*z1)/(s123*s13*z2) - 
   (s1234*s13*s24*z1)/(s12*s123^2*z2) - (2*s1234*s23*s24*z1)/
    (s12*s123^2*z2) - (2*s1234*s23*s24*z1)/(s123^2*s13*z2) + 
   (s1234*s23*s24*z1)/(s12*s123*s13*z2) - (s1234*s23^2*s24*z1)/
    (s12*s123^2*s13*z2) + (s1234*s24*z1)/(s234^2*z2) + 
   (s1234*s24*z1)/(s12*s234*z2) - (3*s1234*s24*z1)/(s123*s234*z2) + 
   (D*s1234*s24*z1)/(s123*s234*z2) - (s1234*s24*z1)/(s13*s234*z2) - 
   (2*s1234*s13*s24*z1)/(s12*s123*s234*z2) + (D*s1234*s13*s24*z1)/
    (s12*s123*s234*z2) + (4*s1234*s14*s24*z1)/(s12*s123*s234*z2) + 
   (D*s1234*s23*s24*z1)/(2*s12*s123*s234*z2) - 
   (s1234*s23*s24*z1)/(s123*s13*s234*z2) + (2*s1234*s24^2*z1)/
    (s12*s123*s234*z2) - (s1234*s24^2*z1)/(s123*s13*s234*z2) - 
   (s1234*z1)/(s34*z2) + (2*s1234*s13*z1)/(s12*s34*z2) - 
   (D*s1234*s13*z1)/(s12*s34*z2) - (s1234*s14*z1)/(s12*s34*z2) - 
   (2*s1234*s14*z1)/(s123*s34*z2) - (s1234*s14*z1)/(s13*s34*z2) - 
   (2*s1234*s13*s14*z1)/(s12*s123*s34*z2) - (4*s1234*s14^2*z1)/
    (s12*s123*s34*z2) + (2*s1234*s14^2*z1)/(s12*s13*s34*z2) - 
   (4*s1234*s14^2*z1)/(s123*s13*s34*z2) + (s1234*s23*z1)/(s12*s34*z2) - 
   (D*s1234*s23*z1)/(2*s12*s34*z2) - (2*s1234*s14*s23*z1)/(s12*s123*s34*z2) + 
   (s1234*s14*s23*z1)/(s12*s13*s34*z2) - (s1234*s14*s23*z1)/
    (s123*s13*s34*z2) - (2*s1234*s14^2*s23*z1)/(s12*s123*s13*s34*z2) - 
   (s1234*s14*s23^2*z1)/(s12*s123*s13*s34*z2) - 
   (2*s1234*s23^2*z1)/(s234^2*s34*z2) + (D*s1234*s23^2*z1)/
    (2*s234^2*s34*z2) + (3*s1234*s23*z1)/(s234*s34*z2) - 
   (D*s1234*s23*z1)/(2*s234*s34*z2) - (2*s1234*s13*s23*z1)/
    (s12*s234*s34*z2) + (D*s1234*s13*s23*z1)/(s12*s234*s34*z2) + 
   (2*s1234*s14*s23*z1)/(s12*s234*s34*z2) + (2*s1234*s14*s23*z1)/
    (s13*s234*s34*z2) - (s12*s1234*s14*s23*z1)/(s123*s13*s234*s34*z2) + 
   (s1234*s13*s14*s23*z1)/(s12*s123*s234*s34*z2) + 
   (2*s1234*s14^2*s23*z1)/(s12*s123*s234*s34*z2) + 
   (2*s1234*s14^2*s23*z1)/(s123*s13*s234*s34*z2) - 
   (s1234*s23^2*z1)/(s12*s234*s34*z2) + (D*s1234*s23^2*z1)/
    (2*s12*s234*s34*z2) - (s1234*s14*s23^2*z1)/(s123*s13*s234*s34*z2) - 
   (2*s1234*s24*z1)/(s12*s34*z2) - (s1234*s13*s24*z1)/(s12*s123*s34*z2) - 
   (4*s1234*s14*s24*z1)/(s12*s123*s34*z2) + (s1234*s14*s24*z1)/
    (s12*s13*s34*z2) - (2*s1234*s14*s24*z1)/(s123*s13*s34*z2) - 
   (s1234*s14*s23*s24*z1)/(s12*s123*s13*s34*z2) - 
   (2*s1234*s23*s24*z1)/(s234^2*s34*z2) + (D*s1234*s23*s24*z1)/
    (2*s234^2*s34*z2) + (s12*s1234*s24*z1)/(s123*s234*s34*z2) - 
   (2*s1234*s13*s24*z1)/(s12*s234*s34*z2) + (D*s1234*s13*s24*z1)/
    (s12*s234*s34*z2) + (s1234*s13*s24*z1)/(s123*s234*s34*z2) + 
   (2*s1234*s14*s24*z1)/(s12*s234*s34*z2) + (2*s1234*s14*s24*z1)/
    (s13*s234*s34*z2) - (s12*s1234*s14*s24*z1)/(s123*s13*s234*s34*z2) + 
   (s1234*s13*s14*s24*z1)/(s12*s123*s234*s34*z2) + 
   (2*s1234*s14^2*s24*z1)/(s12*s123*s234*s34*z2) + 
   (2*s1234*s14^2*s24*z1)/(s123*s13*s234*s34*z2) + 
   (D*s1234*s23*s24*z1)/(2*s12*s234*s34*z2) + (2*s1234*s23*s24*z1)/
    (s123*s234*s34*z2) + (2*s1234*s13*s23*s24*z1)/(s12*s123*s234*s34*z2) + 
   (3*s1234*s14*s23*s24*z1)/(s12*s123*s234*s34*z2) + 
   (s1234*s23^2*s24*z1)/(s12*s123*s234*s34*z2) - 
   (s1234*s24^2*z1)/(s12*s123*s34*z2) + (s1234*s24^2*z1)/(s12*s234*s34*z2) + 
   (s1234*s24^2*z1)/(s123*s234*s34*z2) + (2*s1234*s13*s24^2*z1)/
    (s12*s123*s234*s34*z2) + (3*s1234*s14*s24^2*z1)/(s12*s123*s234*s34*z2) + 
   (s1234*s14*s24^2*z1)/(s123*s13*s234*s34*z2) + 
   (2*s1234*s23*s24^2*z1)/(s12*s123*s234*s34*z2) + 
   (s1234*s24^3*z1)/(s12*s123*s234*s34*z2) + (3*s1234*s34*z1)/(s123^2*z2) - 
   (2*D*s1234*s34*z1)/(s123^2*z2) - (2*s1234*s34*z1)/(s12*s123*z2) + 
   (D*s1234*s34*z1)/(s12*s123*z2) + (s12*s1234*s34*z1)/(s123^2*s13*z2) - 
   (D*s12*s1234*s34*z1)/(s123^2*s13*z2) + (D*s1234*s34*z1)/(s123*s13*z2) + 
   (2*s1234*s13*s34*z1)/(s12*s123^2*z2) - (D*s1234*s13*s34*z1)/
    (s12*s123^2*z2) + (3*s1234*s23*s34*z1)/(s12*s123^2*z2) - 
   (3*D*s1234*s23*s34*z1)/(2*s12*s123^2*z2) + (2*s1234*s23*s34*z1)/
    (s123^2*s13*z2) - (3*D*s1234*s23*s34*z1)/(2*s123^2*s13*z2) - 
   (s1234*s23*s34*z1)/(s12*s123*s13*z2) + (D*s1234*s23*s34*z1)/
    (2*s12*s123*s13*z2) + (s1234*s23^2*s34*z1)/(s12*s123^2*s13*z2) - 
   (D*s1234*s23^2*s34*z1)/(2*s12*s123^2*s13*z2) + 
   (s1234*s34*z1)/(s234^2*z2) - (5*s1234*s34*z1)/(s123*s234*z2) + 
   (D*s1234*s34*z1)/(s123*s234*z2) - (s12*s1234*s34*z1)/(s123*s13*s234*z2) - 
   (4*s1234*s13*s34*z1)/(s12*s123*s234*z2) + (D*s1234*s13*s34*z1)/
    (s12*s123*s234*z2) + (s1234*s14*s34*z1)/(s12*s123*s234*z2) - 
   (s1234*s14*s34*z1)/(s123*s13*s234*z2) - (2*s1234*s23*s34*z1)/
    (s12*s123*s234*z2) + (D*s1234*s23*s34*z1)/(2*s12*s123*s234*z2) - 
   (2*s1234*s23*s34*z1)/(s123*s13*s234*z2) + (s1234*s24*s34*z1)/
    (s12*s123*s234*z2) - (2*s1234*s24*s34*z1)/(s123*s13*s234*z2) - 
   (s1234*s34^2*z1)/(s123*s13*s234*z2) + (3*s1234*z1)/(s12*z3) + 
   (6*s1234*z1)/(s123*z3) - (2*D*s1234*z1)/(s123*z3) - 
   (4*s1234*z1)/(s13*z3) + (D*s1234*z1)/(s13*z3) + 
   (8*s12*s1234*z1)/(s123*s13*z3) - (2*D*s12*s1234*z1)/(s123*s13*z3) - 
   (2*s1234*s13*z1)/(s12*s123*z3) - (6*s1234*s14*z1)/(s123^2*z3) + 
   (4*s1234*s14*z1)/(s12*s123*z3) + (s1234*s14*z1)/(s12*s13*z3) - 
   (2*s12*s1234*s14*z1)/(s123^2*s13*z3) - (4*s1234*s13*s14*z1)/
    (s12*s123^2*z3) - (D*s1234*s23*z1)/(2*s12*s123*z3) - 
   (2*s1234*s23*z1)/(s12*s13*z3) + (D*s1234*s23*z1)/(2*s12*s13*z3) + 
   (8*s1234*s23*z1)/(s123*s13*z3) - (2*D*s1234*s23*z1)/(s123*s13*z3) - 
   (5*s1234*s14*s23*z1)/(s12*s123^2*z3) - (3*s1234*s14*s23*z1)/
    (s123^2*s13*z3) + (2*s1234*s23^2*z1)/(s12*s123*s13*z3) - 
   (D*s1234*s23^2*z1)/(2*s12*s123*s13*z3) - (s1234*s14*s23^2*z1)/
    (s12*s123^2*s13*z3) - (s1234*s23*z1)/(s234^2*z3) + 
   (D*s1234*s23*z1)/(2*s234^2*z3) - (2*s12*s1234*z1)/(s13*s234*z3) + 
   (D*s12*s1234*z1)/(s13*s234*z3) + (s1234*s13*z1)/(s12*s234*z3) - 
   (s1234*s13*z1)/(s123*s234*z3) - (s1234*s13^2*z1)/(s12*s123*s234*z3) + 
   (4*s1234*s14*z1)/(s12*s234*z3) - (2*s1234*s14*z1)/(s123*s234*z3) + 
   (2*s1234*s14*z1)/(s13*s234*z3) + (s12*s1234*s14*z1)/(s123*s13*s234*z3) - 
   (3*s1234*s13*s14*z1)/(s12*s123*s234*z3) + (2*s1234*s14^2*z1)/
    (s12*s123*s234*z3) + (2*s1234*s14^2*z1)/(s123*s13*s234*z3) - 
   (4*s1234*s23*z1)/(s12*s234*z3) + (D*s1234*s23*z1)/(2*s12*s234*z3) - 
   (s1234*s23*z1)/(s123*s234*z3) + (D*s1234*s23*z1)/(2*s123*s234*z3) - 
   (s1234*s23*z1)/(s13*s234*z3) + (D*s1234*s23*z1)/(2*s13*s234*z3) - 
   (4*s12*s1234*s23*z1)/(s123*s13*s234*z3) + (D*s12*s1234*s23*z1)/
    (s123*s13*s234*z3) + (2*s1234*s13*s23*z1)/(s12*s123*s234*z3) - 
   (D*s1234*s13*s23*z1)/(2*s12*s123*s234*z3) - (4*s1234*s14*s23*z1)/
    (s12*s123*s234*z3) + (s1234*s14*s23*z1)/(s123*s13*s234*z3) + 
   (3*s1234*s23^2*z1)/(s12*s123*s234*z3) - (D*s1234*s23^2*z1)/
    (2*s12*s123*s234*z3) - (2*s1234*s23^2*z1)/(s123*s13*s234*z3) + 
   (D*s1234*s23^2*z1)/(2*s123*s13*s234*z3) - (s1234*z1)/(s24*z3) + 
   (2*s12*s1234*z1)/(s13*s24*z3) - (D*s12*s1234*z1)/(s13*s24*z3) - 
   (s1234*s14*z1)/(s12*s24*z3) - (2*s1234*s14*z1)/(s123*s24*z3) - 
   (s1234*s14*z1)/(s13*s24*z3) - (2*s12*s1234*s14*z1)/(s123*s13*s24*z3) - 
   (4*s1234*s14^2*z1)/(s12*s123*s24*z3) + (2*s1234*s14^2*z1)/
    (s12*s13*s24*z3) - (4*s1234*s14^2*z1)/(s123*s13*s24*z3) + 
   (s1234*s23*z1)/(s13*s24*z3) - (D*s1234*s23*z1)/(2*s13*s24*z3) - 
   (s1234*s14*s23*z1)/(s12*s123*s24*z3) + (s1234*s14*s23*z1)/
    (s12*s13*s24*z3) - (2*s1234*s14*s23*z1)/(s123*s13*s24*z3) - 
   (2*s1234*s14^2*s23*z1)/(s12*s123*s13*s24*z3) - 
   (s1234*s14*s23^2*z1)/(s12*s123*s13*s24*z3) - 
   (2*s1234*s23^2*z1)/(s234^2*s24*z3) + (D*s1234*s23^2*z1)/
    (2*s234^2*s24*z3) + (3*s1234*s23*z1)/(s234*s24*z3) - 
   (D*s1234*s23*z1)/(2*s234*s24*z3) - (2*s12*s1234*s23*z1)/
    (s13*s234*s24*z3) + (D*s12*s1234*s23*z1)/(s13*s234*s24*z3) + 
   (2*s1234*s14*s23*z1)/(s12*s234*s24*z3) + (2*s1234*s14*s23*z1)/
    (s13*s234*s24*z3) + (s12*s1234*s14*s23*z1)/(s123*s13*s234*s24*z3) - 
   (s1234*s13*s14*s23*z1)/(s12*s123*s234*s24*z3) + 
   (2*s1234*s14^2*s23*z1)/(s12*s123*s234*s24*z3) + 
   (2*s1234*s14^2*s23*z1)/(s123*s13*s234*s24*z3) - 
   (s1234*s23^2*z1)/(s13*s234*s24*z3) + (D*s1234*s23^2*z1)/
    (2*s13*s234*s24*z3) - (s1234*s14*s23^2*z1)/(s12*s123*s234*s24*z3) + 
   (3*s1234*s24*z1)/(s123^2*z3) - (2*D*s1234*s24*z1)/(s123^2*z3) + 
   (D*s1234*s24*z1)/(s12*s123*z3) + (2*s12*s1234*s24*z1)/(s123^2*s13*z3) - 
   (D*s12*s1234*s24*z1)/(s123^2*s13*z3) - (2*s1234*s24*z1)/(s123*s13*z3) + 
   (D*s1234*s24*z1)/(s123*s13*z3) + (s1234*s13*s24*z1)/(s12*s123^2*z3) - 
   (D*s1234*s13*s24*z1)/(s12*s123^2*z3) + (2*s1234*s23*s24*z1)/
    (s12*s123^2*z3) - (3*D*s1234*s23*s24*z1)/(2*s12*s123^2*z3) + 
   (3*s1234*s23*s24*z1)/(s123^2*s13*z3) - (3*D*s1234*s23*s24*z1)/
    (2*s123^2*s13*z3) - (s1234*s23*s24*z1)/(s12*s123*s13*z3) + 
   (D*s1234*s23*s24*z1)/(2*s12*s123*s13*z3) + (s1234*s23^2*s24*z1)/
    (s12*s123^2*s13*z3) - (D*s1234*s23^2*s24*z1)/(2*s12*s123^2*s13*z3) + 
   (s1234*s24*z1)/(s234^2*z3) - (5*s1234*s24*z1)/(s123*s234*z3) + 
   (D*s1234*s24*z1)/(s123*s234*z3) - (4*s12*s1234*s24*z1)/
    (s123*s13*s234*z3) + (D*s12*s1234*s24*z1)/(s123*s13*s234*z3) - 
   (s1234*s13*s24*z1)/(s12*s123*s234*z3) - (s1234*s14*s24*z1)/
    (s12*s123*s234*z3) + (s1234*s14*s24*z1)/(s123*s13*s234*z3) - 
   (2*s1234*s23*s24*z1)/(s12*s123*s234*z3) - (2*s1234*s23*s24*z1)/
    (s123*s13*s234*z3) + (D*s1234*s23*s24*z1)/(2*s123*s13*s234*z3) - 
   (s1234*s24^2*z1)/(s12*s123*s234*z3) - (2*s1234*s34*z1)/(s123^2*z3) + 
   (2*s1234*s34*z1)/(s12*s123*z3) - (s12*s1234*s34*z1)/(s123^2*s13*z3) - 
   (s1234*s13*s34*z1)/(s12*s123^2*z3) - (2*s1234*s23*s34*z1)/
    (s12*s123^2*z3) - (2*s1234*s23*s34*z1)/(s123^2*s13*z3) + 
   (s1234*s23*s34*z1)/(s12*s123*s13*z3) - (s1234*s23^2*s34*z1)/
    (s12*s123^2*s13*z3) + (s1234*s34*z1)/(s234^2*z3) - 
   (s1234*s34*z1)/(s12*s234*z3) - (3*s1234*s34*z1)/(s123*s234*z3) + 
   (D*s1234*s34*z1)/(s123*s234*z3) + (s1234*s34*z1)/(s13*s234*z3) - 
   (2*s12*s1234*s34*z1)/(s123*s13*s234*z3) + (D*s12*s1234*s34*z1)/
    (s123*s13*s234*z3) + (4*s1234*s14*s34*z1)/(s123*s13*s234*z3) - 
   (s1234*s23*s34*z1)/(s12*s123*s234*z3) + (D*s1234*s23*s34*z1)/
    (2*s123*s13*s234*z3) - (2*s1234*s34*z1)/(s13*s24*z3) - 
   (s12*s1234*s34*z1)/(s123*s13*s24*z3) - (2*s1234*s14*s34*z1)/
    (s12*s123*s24*z3) + (s1234*s14*s34*z1)/(s12*s13*s24*z3) - 
   (4*s1234*s14*s34*z1)/(s123*s13*s24*z3) - (s1234*s14*s23*s34*z1)/
    (s12*s123*s13*s24*z3) - (2*s1234*s23*s34*z1)/(s234^2*s24*z3) + 
   (D*s1234*s23*s34*z1)/(2*s234^2*s24*z3) + (s12*s1234*s34*z1)/
    (s123*s234*s24*z3) - (2*s12*s1234*s34*z1)/(s13*s234*s24*z3) + 
   (D*s12*s1234*s34*z1)/(s13*s234*s24*z3) + (s1234*s13*s34*z1)/
    (s123*s234*s24*z3) + (2*s1234*s14*s34*z1)/(s12*s234*s24*z3) + 
   (2*s1234*s14*s34*z1)/(s13*s234*s24*z3) + (s12*s1234*s14*s34*z1)/
    (s123*s13*s234*s24*z3) - (s1234*s13*s14*s34*z1)/(s12*s123*s234*s24*z3) + 
   (2*s1234*s14^2*s34*z1)/(s12*s123*s234*s24*z3) + 
   (2*s1234*s14^2*s34*z1)/(s123*s13*s234*s24*z3) + 
   (2*s1234*s23*s34*z1)/(s123*s234*s24*z3) + (D*s1234*s23*s34*z1)/
    (2*s13*s234*s24*z3) + (2*s12*s1234*s23*s34*z1)/(s123*s13*s234*s24*z3) + 
   (3*s1234*s14*s23*s34*z1)/(s123*s13*s234*s24*z3) + 
   (s1234*s23^2*s34*z1)/(s123*s13*s234*s24*z3) - 
   (2*s1234*s24*s34*z1)/(s12*s123*s234*z3) + (s1234*s24*s34*z1)/
    (s123*s13*s234*z3) - (s1234*s34^2*z1)/(s12*s123*s234*z3) + 
   (2*s1234*s34^2*z1)/(s123*s13*s234*z3) - (s1234*s34^2*z1)/
    (s123*s13*s24*z3) + (s1234*s34^2*z1)/(s123*s234*s24*z3) + 
   (s1234*s34^2*z1)/(s13*s234*s24*z3) + (2*s12*s1234*s34^2*z1)/
    (s123*s13*s234*s24*z3) + (s1234*s14*s34^2*z1)/(s12*s123*s234*s24*z3) + 
   (3*s1234*s14*s34^2*z1)/(s123*s13*s234*s24*z3) + 
   (2*s1234*s23*s34^2*z1)/(s123*s13*s234*s24*z3) + 
   (s1234*s34^3*z1)/(s123*s13*s234*s24*z3) + (3*s1234*z1^2)/(s12*z2*z3) - 
   (4*s1234*z1^2)/(s123*z2*z3) + (3*s1234*z1^2)/(s13*z2*z3) - 
   (2*s12*s1234*z1^2)/(s123*s13*z2*z3) - (2*s1234*s13*z1^2)/
    (s12*s123*z2*z3) - (8*s1234*s14*z1^2)/(s123^2*z2*z3) + 
   (8*s1234*s14*z1^2)/(s12*s123*z2*z3) - (2*s1234*s14*z1^2)/(s12*s13*z2*z3) - 
   (4*s12*s1234*s14*z1^2)/(s123^2*s13*z2*z3) + 
   (8*s1234*s14*z1^2)/(s123*s13*z2*z3) - (4*s1234*s13*s14*z1^2)/
    (s12*s123^2*z2*z3) - (2*s1234*s23*z1^2)/(s12*s123*z2*z3) - 
   (2*s1234*s23*z1^2)/(s123*s13*z2*z3) - (6*s1234*s14*s23*z1^2)/
    (s12*s123^2*z2*z3) - (6*s1234*s14*s23*z1^2)/(s123^2*s13*z2*z3) + 
   (4*s1234*s14*s23*z1^2)/(s12*s123*s13*z2*z3) - 
   (2*s1234*s14*s23^2*z1^2)/(s12*s123^2*s13*z2*z3) - 
   (2*s1234*s23*z1^2)/(s12*s234*z2*z3) + (2*s1234*s23*z1^2)/
    (s123*s234*z2*z3) - (2*s1234*s23*z1^2)/(s13*s234*z2*z3) + 
   (s12*s1234*s23*z1^2)/(s123*s13*s234*z2*z3) + 
   (s1234*s13*s23*z1^2)/(s12*s123*s234*z2*z3) - (2*s1234*s14*s23*z1^2)/
    (s12*s123*s234*z2*z3) - (2*s1234*s14*s23*z1^2)/(s123*s13*s234*z2*z3) + 
   (s1234*s23^2*z1^2)/(s12*s123*s234*z2*z3) + (s1234*s23^2*z1^2)/
    (s123*s13*s234*z2*z3) - (4*s1234*s24*z1^2)/(s123^2*z2*z3) + 
   (4*s1234*s24*z1^2)/(s12*s123*z2*z3) - (s1234*s24*z1^2)/(s12*s13*z2*z3) - 
   (2*s12*s1234*s24*z1^2)/(s123^2*s13*z2*z3) + 
   (4*s1234*s24*z1^2)/(s123*s13*z2*z3) - (2*s1234*s13*s24*z1^2)/
    (s12*s123^2*z2*z3) - (3*s1234*s23*s24*z1^2)/(s12*s123^2*z2*z3) - 
   (3*s1234*s23*s24*z1^2)/(s123^2*s13*z2*z3) + (2*s1234*s23*s24*z1^2)/
    (s12*s123*s13*z2*z3) - (s1234*s23^2*s24*z1^2)/(s12*s123^2*s13*z2*z3) - 
   (2*s1234*s24*z1^2)/(s12*s234*z2*z3) + (2*s1234*s24*z1^2)/
    (s123*s234*z2*z3) - (2*s1234*s24*z1^2)/(s13*s234*z2*z3) + 
   (s12*s1234*s24*z1^2)/(s123*s13*s234*z2*z3) + 
   (s1234*s13*s24*z1^2)/(s12*s123*s234*z2*z3) - (2*s1234*s14*s24*z1^2)/
    (s12*s123*s234*z2*z3) - (2*s1234*s14*s24*z1^2)/(s123*s13*s234*z2*z3) - 
   (s1234*s24^2*z1^2)/(s12*s123*s234*z2*z3) - (s1234*s24^2*z1^2)/
    (s123*s13*s234*z2*z3) - (4*s1234*s34*z1^2)/(s123^2*z2*z3) + 
   (4*s1234*s34*z1^2)/(s12*s123*z2*z3) - (s1234*s34*z1^2)/(s12*s13*z2*z3) - 
   (2*s12*s1234*s34*z1^2)/(s123^2*s13*z2*z3) + 
   (4*s1234*s34*z1^2)/(s123*s13*z2*z3) - (2*s1234*s13*s34*z1^2)/
    (s12*s123^2*z2*z3) - (3*s1234*s23*s34*z1^2)/(s12*s123^2*z2*z3) - 
   (3*s1234*s23*s34*z1^2)/(s123^2*s13*z2*z3) + (2*s1234*s23*s34*z1^2)/
    (s12*s123*s13*z2*z3) - (s1234*s23^2*s34*z1^2)/(s12*s123^2*s13*z2*z3) - 
   (2*s1234*s34*z1^2)/(s12*s234*z2*z3) + (2*s1234*s34*z1^2)/
    (s123*s234*z2*z3) - (2*s1234*s34*z1^2)/(s13*s234*z2*z3) + 
   (s12*s1234*s34*z1^2)/(s123*s13*s234*z2*z3) + 
   (s1234*s13*s34*z1^2)/(s12*s123*s234*z2*z3) - (2*s1234*s14*s34*z1^2)/
    (s12*s123*s234*z2*z3) - (2*s1234*s14*s34*z1^2)/(s123*s13*s234*z2*z3) - 
   (2*s1234*s24*s34*z1^2)/(s12*s123*s234*z2*z3) - 
   (2*s1234*s24*s34*z1^2)/(s123*s13*s234*z2*z3) - 
   (s1234*s34^2*z1^2)/(s12*s123*s234*z2*z3) - (s1234*s34^2*z1^2)/
    (s123*s13*s234*z2*z3) + (s1234*z2)/(s12*z3) + (s1234*z2)/(s123*z3) - 
   (D*s1234*z2)/(2*s123*z3) - (s1234*s13*z2)/(s12*s123*z3) - 
   (s1234*s14*z2)/(s123^2*z3) - (s1234*s13*s14*z2)/(s12*s123^2*z3) - 
   (s1234*s23*z2)/(s12*s123*z3) - (s1234*s14*s23*z2)/(s12*s123^2*z3) + 
   (s12*s1234*z2)/(s234^2*z3) - (D*s12*s1234*z2)/(2*s234^2*z3) + 
   (2*s1234*s13*z2)/(s234^2*z3) - (D*s1234*s13*z2)/(2*s234^2*z3) - 
   (s1234*s14*z2)/(s234^2*z3) + (s1234*z2)/(s234*z3) - 
   (D*s1234*z2)/(2*s234*z3) - (2*s12*s1234*z2)/(s123*s234*z3) + 
   (D*s12*s1234*z2)/(2*s123*s234*z3) + (3*s1234*s13*z2)/(s12*s234*z3) - 
   (D*s1234*s13*z2)/(2*s12*s234*z3) - (5*s1234*s13*z2)/(s123*s234*z3) + 
   (D*s1234*s13*z2)/(s123*s234*z3) - (3*s1234*s13^2*z2)/(s12*s123*s234*z3) + 
   (D*s1234*s13^2*z2)/(2*s12*s123*s234*z3) + (2*s1234*s14*z2)/
    (s123*s234*z3) + (s1234*s13*s14*z2)/(s12*s123*s234*z3) + 
   (2*s1234*s14^2*z2)/(s12*s123*s234*z3) - (4*s1234*s23*z2)/(s123*s234*z3) + 
   (D*s1234*s23*z2)/(s123*s234*z3) - (3*s1234*s13*s23*z2)/
    (s12*s123*s234*z3) + (D*s1234*s13*s23*z2)/(2*s12*s123*s234*z3) + 
   (2*s1234*s14*s23*z2)/(s12*s123*s234*z3) + (s1234*z2)/(s24*z3) - 
   (2*s1234*s14*z2)/(s12*s24*z3) + (s1234*s13*s14*z2)/(s12*s123*s24*z3) - 
   (2*s1234*s14^2*z2)/(s12*s123*s24*z3) + (s1234*s14*s23*z2)/
    (s12*s123*s24*z3) + (s12*s1234*s23*z2)/(s234^2*s24*z3) - 
   (D*s12*s1234*s23*z2)/(2*s234^2*s24*z3) + (2*s1234*s13*s23*z2)/
    (s234^2*s24*z3) - (D*s1234*s13*s23*z2)/(2*s234^2*s24*z3) - 
   (s1234*s14*s23*z2)/(s234^2*s24*z3) - (s12*s1234*z2)/(s234*s24*z3) + 
   (D*s12*s1234*z2)/(2*s234*s24*z3) - (2*s1234*s13*z2)/(s234*s24*z3) + 
   (D*s1234*s13*z2)/(2*s234*s24*z3) + (s12*s1234*s14*z2)/(s123*s234*s24*z3) - 
   (s1234*s13*s14*z2)/(s12*s234*s24*z3) + (2*s1234*s13*s14*z2)/
    (s123*s234*s24*z3) + (s1234*s13^2*s14*z2)/(s12*s123*s234*s24*z3) - 
   (2*s1234*s14^2*z2)/(s12*s234*s24*z3) + (2*s1234*s14^2*z2)/
    (s123*s234*s24*z3) + (2*s1234*s13*s14^2*z2)/(s12*s123*s234*s24*z3) - 
   (s1234*s23*z2)/(s234*s24*z3) + (s1234*s14*s23*z2)/(s12*s234*s24*z3) + 
   (2*s1234*s14*s23*z2)/(s123*s234*s24*z3) + (s1234*s13*s14*s23*z2)/
    (s12*s123*s234*s24*z3) + (4*s1234*s14^2*s23*z2)/(s12*s123*s234*s24*z3) + 
   (s1234*s24*z2)/(s123^2*z3) - (D*s1234*s24*z2)/(2*s123^2*z3) - 
   (s1234*s24*z2)/(s12*s123*z3) + (D*s1234*s24*z2)/(2*s12*s123*z3) + 
   (s1234*s13*s24*z2)/(s12*s123^2*z3) - (D*s1234*s13*s24*z2)/
    (2*s12*s123^2*z3) + (s1234*s23*s24*z2)/(s12*s123^2*z3) - 
   (D*s1234*s23*s24*z2)/(2*s12*s123^2*z3) - (2*s1234*s24*z2)/(s123*s234*z3) + 
   (D*s1234*s24*z2)/(2*s123*s234*z3) + (s1234*s14*s24*z2)/
    (s12*s123*s234*z3) + (2*s1234*s34*z2)/(s123^2*z3) - 
   (D*s1234*s34*z2)/(2*s123^2*z3) - (2*s1234*s34*z2)/(s12*s123*z3) + 
   (D*s1234*s34*z2)/(2*s12*s123*z3) + (2*s1234*s13*s34*z2)/(s12*s123^2*z3) - 
   (D*s1234*s13*s34*z2)/(2*s12*s123^2*z3) + (2*s1234*s23*s34*z2)/
    (s12*s123^2*z3) - (D*s1234*s23*s34*z2)/(2*s12*s123^2*z3) - 
   (5*s1234*s34*z2)/(s123*s234*z3) + (D*s1234*s34*z2)/(s123*s234*z3) + 
   (2*s1234*s14*s34*z2)/(s12*s123*s234*z3) + (3*s1234*s34*z2)/(s123*s24*z3) - 
   (D*s1234*s34*z2)/(2*s123*s24*z3) - (s1234*s14*s34*z2)/(s12*s123*s24*z3) + 
   (s12*s1234*s34*z2)/(s234^2*s24*z3) - (D*s12*s1234*s34*z2)/
    (2*s234^2*s24*z3) + (2*s1234*s13*s34*z2)/(s234^2*s24*z3) - 
   (D*s1234*s13*s34*z2)/(2*s234^2*s24*z3) - (s1234*s14*s34*z2)/
    (s234^2*s24*z3) - (s1234*s34*z2)/(s234*s24*z3) + 
   (s1234*s14*s34*z2)/(s12*s234*s24*z3) + (s1234*s14*s34*z2)/
    (s123*s234*s24*z3) + (2*s1234*s14^2*s34*z2)/(s12*s123*s234*s24*z3) - 
   (3*s1234*s23*s34*z2)/(s123*s234*s24*z3) + (D*s1234*s23*s34*z2)/
    (2*s123*s234*s24*z3) + (s1234*s14*s23*s34*z2)/(s12*s123*s234*s24*z3) - 
   (3*s1234*s34^2*z2)/(s123*s234*s24*z3) + (D*s1234*s34^2*z2)/
    (2*s123*s234*s24*z3) + (s1234*s14*s34^2*z2)/(s12*s123*s234*s24*z3) + 
   (s1234*z3)/(s123*z2) - (D*s1234*z3)/(2*s123*z2) + (s1234*z3)/(s13*z2) - 
   (s12*s1234*z3)/(s123*s13*z2) - (s1234*s14*z3)/(s123^2*z2) - 
   (s12*s1234*s14*z3)/(s123^2*s13*z2) - (s1234*s23*z3)/(s123*s13*z2) - 
   (s1234*s14*s23*z3)/(s123^2*s13*z2) + (2*s12*s1234*z3)/(s234^2*z2) - 
   (D*s12*s1234*z3)/(2*s234^2*z2) + (s1234*s13*z3)/(s234^2*z2) - 
   (D*s1234*s13*z3)/(2*s234^2*z2) - (s1234*s14*z3)/(s234^2*z2) + 
   (s1234*z3)/(s234*z2) - (D*s1234*z3)/(2*s234*z2) - 
   (5*s12*s1234*z3)/(s123*s234*z2) + (D*s12*s1234*z3)/(s123*s234*z2) + 
   (3*s12*s1234*z3)/(s13*s234*z2) - (D*s12*s1234*z3)/(2*s13*s234*z2) - 
   (3*s12^2*s1234*z3)/(s123*s13*s234*z2) + (D*s12^2*s1234*z3)/
    (2*s123*s13*s234*z2) - (2*s1234*s13*z3)/(s123*s234*z2) + 
   (D*s1234*s13*z3)/(2*s123*s234*z2) + (2*s1234*s14*z3)/(s123*s234*z2) + 
   (s12*s1234*s14*z3)/(s123*s13*s234*z2) + (2*s1234*s14^2*z3)/
    (s123*s13*s234*z2) - (4*s1234*s23*z3)/(s123*s234*z2) + 
   (D*s1234*s23*z3)/(s123*s234*z2) - (3*s12*s1234*s23*z3)/
    (s123*s13*s234*z2) + (D*s12*s1234*s23*z3)/(2*s123*s13*s234*z2) + 
   (2*s1234*s14*s23*z3)/(s123*s13*s234*z2) + (2*s1234*s24*z3)/(s123^2*z2) - 
   (D*s1234*s24*z3)/(2*s123^2*z2) + (2*s12*s1234*s24*z3)/(s123^2*s13*z2) - 
   (D*s12*s1234*s24*z3)/(2*s123^2*s13*z2) - (2*s1234*s24*z3)/(s123*s13*z2) + 
   (D*s1234*s24*z3)/(2*s123*s13*z2) + (2*s1234*s23*s24*z3)/(s123^2*s13*z2) - 
   (D*s1234*s23*s24*z3)/(2*s123^2*s13*z2) - (5*s1234*s24*z3)/(s123*s234*z2) + 
   (D*s1234*s24*z3)/(s123*s234*z2) + (2*s1234*s14*s24*z3)/
    (s123*s13*s234*z2) + (s1234*z3)/(s34*z2) - 
   (2*s1234*s14*z3)/(s13*s34*z2) + (s12*s1234*s14*z3)/(s123*s13*s34*z2) - 
   (2*s1234*s14^2*z3)/(s123*s13*s34*z2) + (s1234*s14*s23*z3)/
    (s123*s13*s34*z2) + (2*s12*s1234*s23*z3)/(s234^2*s34*z2) - 
   (D*s12*s1234*s23*z3)/(2*s234^2*s34*z2) + (s1234*s13*s23*z3)/
    (s234^2*s34*z2) - (D*s1234*s13*s23*z3)/(2*s234^2*s34*z2) - 
   (s1234*s14*s23*z3)/(s234^2*s34*z2) - (2*s12*s1234*z3)/(s234*s34*z2) + 
   (D*s12*s1234*z3)/(2*s234*s34*z2) - (s1234*s13*z3)/(s234*s34*z2) + 
   (D*s1234*s13*z3)/(2*s234*s34*z2) + (2*s12*s1234*s14*z3)/
    (s123*s234*s34*z2) - (s12*s1234*s14*z3)/(s13*s234*s34*z2) + 
   (s12^2*s1234*s14*z3)/(s123*s13*s234*s34*z2) + 
   (s1234*s13*s14*z3)/(s123*s234*s34*z2) + (2*s1234*s14^2*z3)/
    (s123*s234*s34*z2) - (2*s1234*s14^2*z3)/(s13*s234*s34*z2) + 
   (2*s12*s1234*s14^2*z3)/(s123*s13*s234*s34*z2) - 
   (s1234*s23*z3)/(s234*s34*z2) + (2*s1234*s14*s23*z3)/(s123*s234*s34*z2) + 
   (s1234*s14*s23*z3)/(s13*s234*s34*z2) + (s12*s1234*s14*s23*z3)/
    (s123*s13*s234*s34*z2) + (4*s1234*s14^2*s23*z3)/(s123*s13*s234*s34*z2) + 
   (3*s1234*s24*z3)/(s123*s34*z2) - (D*s1234*s24*z3)/(2*s123*s34*z2) - 
   (s1234*s14*s24*z3)/(s123*s13*s34*z2) + (2*s12*s1234*s24*z3)/
    (s234^2*s34*z2) - (D*s12*s1234*s24*z3)/(2*s234^2*s34*z2) + 
   (s1234*s13*s24*z3)/(s234^2*s34*z2) - (D*s1234*s13*s24*z3)/
    (2*s234^2*s34*z2) - (s1234*s14*s24*z3)/(s234^2*s34*z2) - 
   (s1234*s24*z3)/(s234*s34*z2) + (s1234*s14*s24*z3)/(s123*s234*s34*z2) + 
   (s1234*s14*s24*z3)/(s13*s234*s34*z2) + (2*s1234*s14^2*s24*z3)/
    (s123*s13*s234*s34*z2) - (3*s1234*s23*s24*z3)/(s123*s234*s34*z2) + 
   (D*s1234*s23*s24*z3)/(2*s123*s234*s34*z2) + (s1234*s14*s23*s24*z3)/
    (s123*s13*s234*s34*z2) - (3*s1234*s24^2*z3)/(s123*s234*s34*z2) + 
   (D*s1234*s24^2*z3)/(2*s123*s234*s34*z2) + (s1234*s14*s24^2*z3)/
    (s123*s13*s234*s34*z2) + (s1234*s34*z3)/(s123^2*z2) - 
   (D*s1234*s34*z3)/(2*s123^2*z2) + (s12*s1234*s34*z3)/(s123^2*s13*z2) - 
   (D*s12*s1234*s34*z3)/(2*s123^2*s13*z2) - (s1234*s34*z3)/(s123*s13*z2) + 
   (D*s1234*s34*z3)/(2*s123*s13*z2) + (s1234*s23*s34*z3)/(s123^2*s13*z2) - 
   (D*s1234*s23*s34*z3)/(2*s123^2*s13*z2) - (2*s1234*s34*z3)/(s123*s234*z2) + 
   (D*s1234*s34*z3)/(2*s123*s234*z2) + (s1234*s14*s34*z3)/
    (s123*s13*s234*z2) + (s12*s1234*z4)/(s123^2*z2) - (s1234*z4)/(s13*z2) + 
   (s1234*s13*z4)/(s123^2*z2) - (s1234*s23*z4)/(s123^2*z2) + 
   (D*s1234*s23*z4)/(2*s123^2*z2) - (2*s12*s1234*s23*z4)/(s123^2*s13*z2) + 
   (D*s12*s1234*s23*z4)/(2*s123^2*s13*z2) + (3*s1234*s23*z4)/(s123*s13*z2) - 
   (D*s1234*s23*z4)/(2*s123*s13*z2) - (2*s1234*s23^2*z4)/(s123^2*s13*z2) + 
   (D*s1234*s23^2*z4)/(2*s123^2*s13*z2) - (2*s12*s1234*z4)/(s234^2*z2) + 
   (3*s1234*s13*z4)/(s234^2*z2) - (2*D*s1234*s13*z4)/(s234^2*z2) - 
   (6*s1234*s14*z4)/(s234^2*z2) + (6*s1234*z4)/(s234*z2) - 
   (2*D*s1234*z4)/(s234*z2) - (3*s12*s1234*z4)/(s123*s234*z2) + 
   (D*s12*s1234*z4)/(s123*s234*z2) + (s12^2*s1234*z4)/(s123*s13*s234*z2) - 
   (5*s1234*s13*z4)/(s123*s234*z2) + (D*s1234*s13*z4)/(s123*s234*z2) - 
   (2*s1234*s14*z4)/(s123*s234*z2) - (2*s1234*s14*z4)/(s13*s234*z2) - 
   (s1234*s23*z4)/(s123*s234*z2) + (D*s1234*s23*z4)/(2*s123*s234*z2) + 
   (2*s12*s1234*s23*z4)/(s123*s13*s234*z2) - (4*s1234*z4)/(s24*z2) + 
   (D*s1234*z4)/(s24*z2) + (s12*s1234*z4)/(s123*s24*z2) - 
   (2*s12*s1234*z4)/(s13*s24*z2) + (s12^2*s1234*z4)/(s123*s13*s24*z2) + 
   (2*s1234*s14*z4)/(s123*s24*z2) - (s1234*s14*z4)/(s13*s24*z2) + 
   (2*s12*s1234*s14*z4)/(s123*s13*s24*z2) - (s1234*s23*z4)/(s123*s24*z2) + 
   (D*s1234*s23*z4)/(2*s123*s24*z2) + (s1234*s23*z4)/(s13*s24*z2) - 
   (D*s1234*s23*z4)/(2*s13*s24*z2) + (D*s12*s1234*s23*z4)/
    (2*s123*s13*s24*z2) + (2*s1234*s14*s23*z4)/(s123*s13*s24*z2) - 
   (s1234*s23^2*z4)/(s123*s13*s24*z2) + (D*s1234*s23^2*z4)/
    (2*s123*s13*s24*z2) - (2*s12*s1234*s23*z4)/(s234^2*s24*z2) + 
   (3*s1234*s13*s23*z4)/(s234^2*s24*z2) - (3*D*s1234*s13*s23*z4)/
    (2*s234^2*s24*z2) - (3*s1234*s14*s23*z4)/(s234^2*s24*z2) + 
   (2*s12^2*s1234*z4)/(s123*s234*s24*z2) - (s12^2*s1234*z4)/
    (s13*s234*s24*z2) + (s12^3*s1234*z4)/(s123*s13*s234*s24*z2) - 
   (2*s1234*s13*z4)/(s234*s24*z2) + (D*s1234*s13*z4)/(s234*s24*z2) + 
   (s12*s1234*s13*z4)/(s123*s234*s24*z2) + (4*s12*s1234*s14*z4)/
    (s123*s234*s24*z2) - (4*s12*s1234*s14*z4)/(s13*s234*s24*z2) + 
   (3*s12^2*s1234*s14*z4)/(s123*s13*s234*s24*z2) + 
   (s1234*s13*s14*z4)/(s123*s234*s24*z2) + (2*s1234*s14^2*z4)/
    (s123*s234*s24*z2) - (4*s1234*s14^2*z4)/(s13*s234*s24*z2) + 
   (2*s12*s1234*s14^2*z4)/(s123*s13*s234*s24*z2) + 
   (8*s1234*s23*z4)/(s234*s24*z2) - (2*D*s1234*s23*z4)/(s234*s24*z2) + 
   (D*s12*s1234*s23*z4)/(2*s123*s234*s24*z2) + (2*s12^2*s1234*s23*z4)/
    (s123*s13*s234*s24*z2) - (2*s1234*s13*s23*z4)/(s123*s234*s24*z2) + 
   (D*s1234*s13*s23*z4)/(2*s123*s234*s24*z2) + 
   (s1234*s14*s23*z4)/(s123*s234*s24*z2) - (2*s1234*s14*s23*z4)/
    (s13*s234*s24*z2) + (3*s12*s1234*s14*s23*z4)/(s123*s13*s234*s24*z2) + 
   (2*s1234*s14^2*s23*z4)/(s123*s13*s234*s24*z2) - 
   (2*s1234*s23^2*z4)/(s123*s234*s24*z2) + (D*s1234*s23^2*z4)/
    (2*s123*s234*s24*z2) + (s12*s1234*s23^2*z4)/(s123*s13*s234*s24*z2) - 
   (s1234*s24*z4)/(s123*s234*z2) + (s12*s1234*s24*z4)/(s123*s13*s234*z2) + 
   (3*s1234*z4)/(s34*z2) - (s12*s1234*z4)/(s123*s34*z2) + 
   (4*s1234*s14*z4)/(s123*s34*z2) - (s1234*s14*z4)/(s13*s34*z2) + 
   (2*s12*s1234*s14*z4)/(s123*s13*s34*z2) - (4*s1234*s23*z4)/(s123*s34*z2) + 
   (D*s1234*s23*z4)/(2*s123*s34*z2) + (2*s1234*s14*s23*z4)/
    (s123*s13*s34*z2) - (2*s12*s1234*s23*z4)/(s234^2*s34*z2) + 
   (2*s1234*s13*s23*z4)/(s234^2*s34*z2) - (3*D*s1234*s13*s23*z4)/
    (2*s234^2*s34*z2) - (5*s1234*s14*s23*z4)/(s234^2*s34*z2) + 
   (2*s12*s1234*z4)/(s234*s34*z2) - (s12^2*s1234*z4)/(s123*s234*s34*z2) + 
   (D*s1234*s13*z4)/(s234*s34*z2) - (2*s12*s1234*s13*z4)/(s123*s234*s34*z2) - 
   (s1234*s13^2*z4)/(s123*s234*s34*z2) + (4*s1234*s14*z4)/(s234*s34*z2) - 
   (2*s12*s1234*s14*z4)/(s13*s234*s34*z2) + (s12^2*s1234*s14*z4)/
    (s123*s13*s234*s34*z2) - (s1234*s13*s14*z4)/(s123*s234*s34*z2) + 
   (2*s1234*s14^2*z4)/(s123*s234*s34*z2) - (4*s1234*s14^2*z4)/
    (s13*s234*s34*z2) + (2*s12*s1234*s14^2*z4)/(s123*s13*s234*s34*z2) - 
   (D*s1234*s23*z4)/(2*s234*s34*z2) - (s12*s1234*s23*z4)/(s123*s234*s34*z2) - 
   (2*s1234*s13*s23*z4)/(s123*s234*s34*z2) - (4*s1234*s14*s23*z4)/
    (s123*s234*s34*z2) - (s1234*s14*s23*z4)/(s13*s234*s34*z2) + 
   (2*s1234*s14^2*s23*z4)/(s123*s13*s234*s34*z2) + 
   (3*s1234*s23^2*z4)/(s123*s234*s34*z2) - (D*s1234*s23^2*z4)/
    (2*s123*s234*s34*z2) - (s1234*s14*s23^2*z4)/(s123*s13*s234*s34*z2) + 
   (s1234*s14*z4)/(s24*s34*z2) + (s12*s1234*s14*z4)/(s13*s24*s34*z2) + 
   (2*s1234*s14^2*z4)/(s13*s24*s34*z2) - (2*s1234*s23*z4)/(s24*s34*z2) + 
   (D*s1234*s23*z4)/(2*s24*s34*z2) + (s1234*s14*s23*z4)/(s13*s24*s34*z2) - 
   (s12*s1234*s23^2*z4)/(s234^2*s24*s34*z2) + (s1234*s13*s23^2*z4)/
    (s234^2*s24*s34*z2) - (D*s1234*s13*s23^2*z4)/(2*s234^2*s24*s34*z2) - 
   (s1234*s14*s23^2*z4)/(s234^2*s24*s34*z2) + (s12*s1234*s23*z4)/
    (s234*s24*s34*z2) - (s1234*s13*s23*z4)/(s234*s24*s34*z2) + 
   (D*s1234*s13*s23*z4)/(2*s234*s24*s34*z2) - (s12*s1234*s14*s23*z4)/
    (s13*s234*s24*s34*z2) - (2*s1234*s14^2*s23*z4)/(s13*s234*s24*s34*z2) + 
   (2*s1234*s23^2*z4)/(s234*s24*s34*z2) - (D*s1234*s23^2*z4)/
    (2*s234*s24*s34*z2) - (s1234*s14*s23^2*z4)/(s13*s234*s24*s34*z2) + 
   (s1234*s24*z4)/(s123*s34*z2) - (s12*s1234*s24*z4)/(s234^2*s34*z2) + 
   (s1234*s13*s24*z4)/(s234^2*s34*z2) - (D*s1234*s13*s24*z4)/
    (s234^2*s34*z2) - (4*s1234*s14*s24*z4)/(s234^2*s34*z2) - 
   (2*s1234*s24*z4)/(s234*s34*z2) - (s1234*s13*s24*z4)/(s123*s234*s34*z2) - 
   (3*s1234*s14*s24*z4)/(s123*s234*s34*z2) - (s12*s1234*s14*s24*z4)/
    (s123*s13*s234*s34*z2) + (2*s1234*s23*s24*z4)/(s123*s234*s34*z2) - 
   (D*s1234*s23*s24*z4)/(2*s123*s234*s34*z2) - (s1234*s14*s23*s24*z4)/
    (s123*s13*s234*s34*z2) - (s1234*s24^2*z4)/(s123*s234*s34*z2) + 
   (s12*s1234*s34*z4)/(s123*s13*s234*z2) - (2*s1234*s34*z4)/(s123*s24*z2) + 
   (D*s1234*s34*z4)/(s123*s24*z2) + (2*s1234*s34*z4)/(s13*s24*z2) - 
   (D*s1234*s34*z4)/(s13*s24*z2) - (2*s12*s1234*s34*z4)/(s123*s13*s24*z2) + 
   (D*s12*s1234*s34*z4)/(s123*s13*s24*z2) - (2*s1234*s23*s34*z4)/
    (s123*s13*s24*z2) + (D*s1234*s23*s34*z4)/(s123*s13*s24*z2) - 
   (s12*s1234*s34*z4)/(s234^2*s24*z2) + (2*s1234*s13*s34*z4)/
    (s234^2*s24*z2) - (D*s1234*s13*s34*z4)/(s234^2*s24*z2) - 
   (2*s1234*s14*s34*z4)/(s234^2*s24*z2) + (8*s1234*s34*z4)/(s234*s24*z2) - 
   (2*D*s1234*s34*z4)/(s234*s24*z2) - (2*s12*s1234*s34*z4)/
    (s123*s234*s24*z2) + (D*s12*s1234*s34*z4)/(s123*s234*s24*z2) - 
   (s12*s1234*s34*z4)/(s13*s234*s24*z2) + (2*s12^2*s1234*s34*z4)/
    (s123*s13*s234*s24*z2) - (4*s1234*s13*s34*z4)/(s123*s234*s24*z2) + 
   (D*s1234*s13*s34*z4)/(s123*s234*s24*z2) + (s1234*s14*s34*z4)/
    (s123*s234*s24*z2) - (2*s1234*s14*s34*z4)/(s13*s234*s24*z2) + 
   (s12*s1234*s14*s34*z4)/(s123*s13*s234*s24*z2) - 
   (4*s1234*s23*s34*z4)/(s123*s234*s24*z2) + (D*s1234*s23*s34*z4)/
    (s123*s234*s24*z2) + (2*s12*s1234*s23*s34*z4)/(s123*s13*s234*s24*z2) + 
   (s1234*s14*s23*s34*z4)/(s123*s13*s234*s24*z2) - (s1234*z4)/(s12*z3) + 
   (s12*s1234*z4)/(s123^2*z3) + (s1234*s13*z4)/(s123^2*z3) - 
   (s1234*s23*z4)/(s123^2*z3) + (D*s1234*s23*z4)/(2*s123^2*z3) + 
   (3*s1234*s23*z4)/(s12*s123*z3) - (D*s1234*s23*z4)/(2*s12*s123*z3) - 
   (2*s1234*s13*s23*z4)/(s12*s123^2*z3) + (D*s1234*s13*s23*z4)/
    (2*s12*s123^2*z3) - (2*s1234*s23^2*z4)/(s12*s123^2*z3) + 
   (D*s1234*s23^2*z4)/(2*s12*s123^2*z3) + (3*s12*s1234*z4)/(s234^2*z3) - 
   (2*D*s12*s1234*z4)/(s234^2*z3) - (2*s1234*s13*z4)/(s234^2*z3) - 
   (6*s1234*s14*z4)/(s234^2*z3) + (6*s1234*z4)/(s234*z3) - 
   (2*D*s1234*z4)/(s234*z3) - (5*s12*s1234*z4)/(s123*s234*z3) + 
   (D*s12*s1234*z4)/(s123*s234*z3) - (3*s1234*s13*z4)/(s123*s234*z3) + 
   (D*s1234*s13*z4)/(s123*s234*z3) + (s1234*s13^2*z4)/(s12*s123*s234*z3) - 
   (2*s1234*s14*z4)/(s12*s234*z3) - (2*s1234*s14*z4)/(s123*s234*z3) - 
   (s1234*s23*z4)/(s123*s234*z3) + (D*s1234*s23*z4)/(2*s123*s234*z3) + 
   (2*s1234*s13*s23*z4)/(s12*s123*s234*z3) + (3*s1234*z4)/(s24*z3) - 
   (s1234*s13*z4)/(s123*s24*z3) - (s1234*s14*z4)/(s12*s24*z3) + 
   (4*s1234*s14*z4)/(s123*s24*z3) + (2*s1234*s13*s14*z4)/(s12*s123*s24*z3) - 
   (4*s1234*s23*z4)/(s123*s24*z3) + (D*s1234*s23*z4)/(2*s123*s24*z3) + 
   (2*s1234*s14*s23*z4)/(s12*s123*s24*z3) + (2*s12*s1234*s23*z4)/
    (s234^2*s24*z3) - (3*D*s12*s1234*s23*z4)/(2*s234^2*s24*z3) - 
   (2*s1234*s13*s23*z4)/(s234^2*s24*z3) - (5*s1234*s14*s23*z4)/
    (s234^2*s24*z3) + (D*s12*s1234*z4)/(s234*s24*z3) - 
   (s12^2*s1234*z4)/(s123*s234*s24*z3) + (2*s1234*s13*z4)/(s234*s24*z3) - 
   (2*s12*s1234*s13*z4)/(s123*s234*s24*z3) - (s1234*s13^2*z4)/
    (s123*s234*s24*z3) + (4*s1234*s14*z4)/(s234*s24*z3) - 
   (s12*s1234*s14*z4)/(s123*s234*s24*z3) - (2*s1234*s13*s14*z4)/
    (s12*s234*s24*z3) + (s1234*s13^2*s14*z4)/(s12*s123*s234*s24*z3) - 
   (4*s1234*s14^2*z4)/(s12*s234*s24*z3) + (2*s1234*s14^2*z4)/
    (s123*s234*s24*z3) + (2*s1234*s13*s14^2*z4)/(s12*s123*s234*s24*z3) - 
   (D*s1234*s23*z4)/(2*s234*s24*z3) - (2*s12*s1234*s23*z4)/
    (s123*s234*s24*z3) - (s1234*s13*s23*z4)/(s123*s234*s24*z3) - 
   (s1234*s14*s23*z4)/(s12*s234*s24*z3) - (4*s1234*s14*s23*z4)/
    (s123*s234*s24*z3) + (2*s1234*s14^2*s23*z4)/(s12*s123*s234*s24*z3) + 
   (3*s1234*s23^2*z4)/(s123*s234*s24*z3) - (D*s1234*s23^2*z4)/
    (2*s123*s234*s24*z3) - (s1234*s14*s23^2*z4)/(s12*s123*s234*s24*z3) + 
   (s1234*s13*s24*z4)/(s12*s123*s234*z3) - (4*s1234*z4)/(s34*z3) + 
   (D*s1234*z4)/(s34*z3) - (2*s1234*s13*z4)/(s12*s34*z3) + 
   (s1234*s13*z4)/(s123*s34*z3) + (s1234*s13^2*z4)/(s12*s123*s34*z3) - 
   (s1234*s14*z4)/(s12*s34*z3) + (2*s1234*s14*z4)/(s123*s34*z3) + 
   (2*s1234*s13*s14*z4)/(s12*s123*s34*z3) + (s1234*s23*z4)/(s12*s34*z3) - 
   (D*s1234*s23*z4)/(2*s12*s34*z3) - (s1234*s23*z4)/(s123*s34*z3) + 
   (D*s1234*s23*z4)/(2*s123*s34*z3) + (D*s1234*s13*s23*z4)/
    (2*s12*s123*s34*z3) + (2*s1234*s14*s23*z4)/(s12*s123*s34*z3) - 
   (s1234*s23^2*z4)/(s12*s123*s34*z3) + (D*s1234*s23^2*z4)/
    (2*s12*s123*s34*z3) + (3*s12*s1234*s23*z4)/(s234^2*s34*z3) - 
   (3*D*s12*s1234*s23*z4)/(2*s234^2*s34*z3) - (2*s1234*s13*s23*z4)/
    (s234^2*s34*z3) - (3*s1234*s14*s23*z4)/(s234^2*s34*z3) - 
   (2*s12*s1234*z4)/(s234*s34*z3) + (D*s12*s1234*z4)/(s234*s34*z3) + 
   (s12*s1234*s13*z4)/(s123*s234*s34*z3) - (s1234*s13^2*z4)/
    (s12*s234*s34*z3) + (2*s1234*s13^2*z4)/(s123*s234*s34*z3) + 
   (s1234*s13^3*z4)/(s12*s123*s234*s34*z3) + (s12*s1234*s14*z4)/
    (s123*s234*s34*z3) - (4*s1234*s13*s14*z4)/(s12*s234*s34*z3) + 
   (4*s1234*s13*s14*z4)/(s123*s234*s34*z3) + (3*s1234*s13^2*s14*z4)/
    (s12*s123*s234*s34*z3) - (4*s1234*s14^2*z4)/(s12*s234*s34*z3) + 
   (2*s1234*s14^2*z4)/(s123*s234*s34*z3) + (2*s1234*s13*s14^2*z4)/
    (s12*s123*s234*s34*z3) + (8*s1234*s23*z4)/(s234*s34*z3) - 
   (2*D*s1234*s23*z4)/(s234*s34*z3) - (2*s12*s1234*s23*z4)/
    (s123*s234*s34*z3) + (D*s12*s1234*s23*z4)/(2*s123*s234*s34*z3) + 
   (D*s1234*s13*s23*z4)/(2*s123*s234*s34*z3) + (2*s1234*s13^2*s23*z4)/
    (s12*s123*s234*s34*z3) - (2*s1234*s14*s23*z4)/(s12*s234*s34*z3) + 
   (s1234*s14*s23*z4)/(s123*s234*s34*z3) + (3*s1234*s13*s14*s23*z4)/
    (s12*s123*s234*s34*z3) + (2*s1234*s14^2*s23*z4)/(s12*s123*s234*s34*z3) - 
   (2*s1234*s23^2*z4)/(s123*s234*s34*z3) + (D*s1234*s23^2*z4)/
    (2*s123*s234*s34*z3) + (s1234*s13*s23^2*z4)/(s12*s123*s234*s34*z3) + 
   (s1234*s14*z4)/(s24*s34*z3) + (s1234*s13*s14*z4)/(s12*s24*s34*z3) + 
   (2*s1234*s14^2*z4)/(s12*s24*s34*z3) - (2*s1234*s23*z4)/(s24*s34*z3) + 
   (D*s1234*s23*z4)/(2*s24*s34*z3) + (s1234*s14*s23*z4)/(s12*s24*s34*z3) + 
   (s12*s1234*s23^2*z4)/(s234^2*s24*s34*z3) - (D*s12*s1234*s23^2*z4)/
    (2*s234^2*s24*s34*z3) - (s1234*s13*s23^2*z4)/(s234^2*s24*s34*z3) - 
   (s1234*s14*s23^2*z4)/(s234^2*s24*s34*z3) - (s12*s1234*s23*z4)/
    (s234*s24*s34*z3) + (D*s12*s1234*s23*z4)/(2*s234*s24*s34*z3) + 
   (s1234*s13*s23*z4)/(s234*s24*s34*z3) - (s1234*s13*s14*s23*z4)/
    (s12*s234*s24*s34*z3) - (2*s1234*s14^2*s23*z4)/(s12*s234*s24*s34*z3) + 
   (2*s1234*s23^2*z4)/(s234*s24*s34*z3) - (D*s1234*s23^2*z4)/
    (2*s234*s24*s34*z3) - (s1234*s14*s23^2*z4)/(s12*s234*s24*s34*z3) + 
   (2*s1234*s24*z4)/(s12*s34*z3) - (D*s1234*s24*z4)/(s12*s34*z3) - 
   (2*s1234*s24*z4)/(s123*s34*z3) + (D*s1234*s24*z4)/(s123*s34*z3) - 
   (2*s1234*s13*s24*z4)/(s12*s123*s34*z3) + (D*s1234*s13*s24*z4)/
    (s12*s123*s34*z3) - (2*s1234*s23*s24*z4)/(s12*s123*s34*z3) + 
   (D*s1234*s23*s24*z4)/(s12*s123*s34*z3) + (2*s12*s1234*s24*z4)/
    (s234^2*s34*z3) - (D*s12*s1234*s24*z4)/(s234^2*s34*z3) - 
   (s1234*s13*s24*z4)/(s234^2*s34*z3) - (2*s1234*s14*s24*z4)/
    (s234^2*s34*z3) + (8*s1234*s24*z4)/(s234*s34*z3) - 
   (2*D*s1234*s24*z4)/(s234*s34*z3) - (4*s12*s1234*s24*z4)/
    (s123*s234*s34*z3) + (D*s12*s1234*s24*z4)/(s123*s234*s34*z3) - 
   (s1234*s13*s24*z4)/(s12*s234*s34*z3) - (2*s1234*s13*s24*z4)/
    (s123*s234*s34*z3) + (D*s1234*s13*s24*z4)/(s123*s234*s34*z3) + 
   (2*s1234*s13^2*s24*z4)/(s12*s123*s234*s34*z3) - 
   (2*s1234*s14*s24*z4)/(s12*s234*s34*z3) + (s1234*s14*s24*z4)/
    (s123*s234*s34*z3) + (s1234*s13*s14*s24*z4)/(s12*s123*s234*s34*z3) - 
   (4*s1234*s23*s24*z4)/(s123*s234*s34*z3) + (D*s1234*s23*s24*z4)/
    (s123*s234*s34*z3) + (2*s1234*s13*s23*s24*z4)/(s12*s123*s234*s34*z3) + 
   (s1234*s14*s23*s24*z4)/(s12*s123*s234*s34*z3) - 
   (s1234*s34*z4)/(s123*s234*z3) + (s1234*s13*s34*z4)/(s12*s123*s234*z3) + 
   (s1234*s34*z4)/(s123*s24*z3) + (s12*s1234*s34*z4)/(s234^2*s24*z3) - 
   (D*s12*s1234*s34*z4)/(s234^2*s24*z3) - (s1234*s13*s34*z4)/
    (s234^2*s24*z3) - (4*s1234*s14*s34*z4)/(s234^2*s24*z3) - 
   (2*s1234*s34*z4)/(s234*s24*z3) - (s12*s1234*s34*z4)/(s123*s234*s24*z3) - 
   (3*s1234*s14*s34*z4)/(s123*s234*s24*z3) - (s1234*s13*s14*s34*z4)/
    (s12*s123*s234*s24*z3) + (2*s1234*s23*s34*z4)/(s123*s234*s24*z3) - 
   (D*s1234*s23*s34*z4)/(2*s123*s234*s24*z3) - (s1234*s14*s23*s34*z4)/
    (s12*s123*s234*s24*z3) - (s1234*s34^2*z4)/(s123*s234*s24*z3) + 
   (s1234*z1*z4)/(s12*z2*z3) + (6*s12*s1234*z1*z4)/(s123^2*z2*z3) - 
   (8*s1234*z1*z4)/(s123*z2*z3) + (s1234*z1*z4)/(s13*z2*z3) + 
   (2*s12^2*s1234*z1*z4)/(s123^2*s13*z2*z3) - (4*s12*s1234*z1*z4)/
    (s123*s13*z2*z3) + (6*s1234*s13*z1*z4)/(s123^2*z2*z3) - 
   (4*s1234*s13*z1*z4)/(s12*s123*z2*z3) + (2*s1234*s13^2*z1*z4)/
    (s12*s123^2*z2*z3) + (8*s1234*s23*z1*z4)/(s123^2*z2*z3) - 
   (4*s1234*s23*z1*z4)/(s12*s123*z2*z3) + (s1234*s23*z1*z4)/(s12*s13*z2*z3) + 
   (4*s12*s1234*s23*z1*z4)/(s123^2*s13*z2*z3) - 
   (4*s1234*s23*z1*z4)/(s123*s13*z2*z3) + (4*s1234*s13*s23*z1*z4)/
    (s12*s123^2*z2*z3) + (3*s1234*s23^2*z1*z4)/(s12*s123^2*z2*z3) + 
   (3*s1234*s23^2*z1*z4)/(s123^2*s13*z2*z3) - (2*s1234*s23^2*z1*z4)/
    (s12*s123*s13*z2*z3) + (s1234*s23^3*z1*z4)/(s12*s123^2*s13*z2*z3) + 
   (8*s1234*s23*z1*z4)/(s234^2*z2*z3) - (8*s1234*z1*z4)/(s234*z2*z3) + 
   (s12*s1234*z1*z4)/(s123*s234*z2*z3) + (2*s12*s1234*z1*z4)/
    (s13*s234*z2*z3) - (s12^2*s1234*z1*z4)/(s123*s13*s234*z2*z3) + 
   (2*s1234*s13*z1*z4)/(s12*s234*z2*z3) + (s1234*s13*z1*z4)/
    (s123*s234*z2*z3) - (s1234*s13^2*z1*z4)/(s12*s123*s234*z2*z3) + 
   (4*s1234*s14*z1*z4)/(s12*s234*z2*z3) - (4*s1234*s14*z1*z4)/
    (s123*s234*z2*z3) + (4*s1234*s14*z1*z4)/(s13*s234*z2*z3) - 
   (2*s12*s1234*s14*z1*z4)/(s123*s13*s234*z2*z3) - 
   (2*s1234*s13*s14*z1*z4)/(s12*s123*s234*z2*z3) + 
   (s1234*s23*z1*z4)/(s12*s234*z2*z3) + (2*s1234*s23*z1*z4)/
    (s123*s234*z2*z3) + (s1234*s23*z1*z4)/(s13*s234*z2*z3) - 
   (s12*s1234*s23*z1*z4)/(s123*s13*s234*z2*z3) - 
   (s1234*s13*s23*z1*z4)/(s12*s123*s234*z2*z3) - 
   (2*s1234*s14*s23*z1*z4)/(s12*s123*s234*z2*z3) - 
   (2*s1234*s14*s23*z1*z4)/(s123*s13*s234*z2*z3) - 
   (s1234*s23^2*z1*z4)/(s12*s123*s234*z2*z3) - (s1234*s23^2*z1*z4)/
    (s123*s13*s234*z2*z3) + (s1234*z1*z4)/(s24*z2*z3) + 
   (2*s12*s1234*z1*z4)/(s123*s24*z2*z3) - (3*s12*s1234*z1*z4)/
    (s13*s24*z2*z3) + (2*s12^2*s1234*z1*z4)/(s123*s13*s24*z2*z3) + 
   (4*s1234*s14*z1*z4)/(s123*s24*z2*z3) - (6*s1234*s14*z1*z4)/
    (s13*s24*z2*z3) + (4*s12*s1234*s14*z1*z4)/(s123*s13*s24*z2*z3) + 
   (s1234*s23*z1*z4)/(s123*s24*z2*z3) - (s1234*s23*z1*z4)/(s13*s24*z2*z3) + 
   (3*s12*s1234*s23*z1*z4)/(s123*s13*s24*z2*z3) + 
   (4*s1234*s14*s23*z1*z4)/(s123*s13*s24*z2*z3) + 
   (s1234*s23^2*z1*z4)/(s123*s13*s24*z2*z3) + (3*s1234*s23^2*z1*z4)/
    (s234^2*s24*z2*z3) - (4*s1234*s23*z1*z4)/(s234*s24*z2*z3) - 
   (s12*s1234*s23*z1*z4)/(s123*s234*s24*z2*z3) + 
   (2*s12*s1234*s23*z1*z4)/(s13*s234*s24*z2*z3) - 
   (s12^2*s1234*s23*z1*z4)/(s123*s13*s234*s24*z2*z3) - 
   (2*s1234*s14*s23*z1*z4)/(s123*s234*s24*z2*z3) + 
   (4*s1234*s14*s23*z1*z4)/(s13*s234*s24*z2*z3) - 
   (2*s12*s1234*s14*s23*z1*z4)/(s123*s13*s234*s24*z2*z3) - 
   (s1234*s23^2*z1*z4)/(s123*s234*s24*z2*z3) + (s1234*s23^2*z1*z4)/
    (s13*s234*s24*z2*z3) - (2*s12*s1234*s23^2*z1*z4)/
    (s123*s13*s234*s24*z2*z3) - (2*s1234*s14*s23^2*z1*z4)/
    (s123*s13*s234*s24*z2*z3) - (s1234*s23^3*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (6*s1234*s24*z1*z4)/(s234^2*z2*z3) + 
   (2*s1234*s24*z1*z4)/(s12*s234*z2*z3) + (s1234*s24*z1*z4)/
    (s123*s234*z2*z3) + (s12*s1234*s24*z1*z4)/(s123*s13*s234*z2*z3) - 
   (s1234*s23*s24*z1*z4)/(s12*s123*s234*z2*z3) + (s1234*z1*z4)/(s34*z2*z3) - 
   (3*s1234*s13*z1*z4)/(s12*s34*z2*z3) + (2*s1234*s13*z1*z4)/
    (s123*s34*z2*z3) + (2*s1234*s13^2*z1*z4)/(s12*s123*s34*z2*z3) - 
   (6*s1234*s14*z1*z4)/(s12*s34*z2*z3) + (4*s1234*s14*z1*z4)/
    (s123*s34*z2*z3) + (4*s1234*s13*s14*z1*z4)/(s12*s123*s34*z2*z3) - 
   (s1234*s23*z1*z4)/(s12*s34*z2*z3) + (s1234*s23*z1*z4)/(s123*s34*z2*z3) + 
   (3*s1234*s13*s23*z1*z4)/(s12*s123*s34*z2*z3) + 
   (4*s1234*s14*s23*z1*z4)/(s12*s123*s34*z2*z3) + 
   (s1234*s23^2*z1*z4)/(s12*s123*s34*z2*z3) + (3*s1234*s23^2*z1*z4)/
    (s234^2*s34*z2*z3) - (4*s1234*s23*z1*z4)/(s234*s34*z2*z3) + 
   (2*s1234*s13*s23*z1*z4)/(s12*s234*s34*z2*z3) - 
   (s1234*s13*s23*z1*z4)/(s123*s234*s34*z2*z3) - 
   (s1234*s13^2*s23*z1*z4)/(s12*s123*s234*s34*z2*z3) + 
   (4*s1234*s14*s23*z1*z4)/(s12*s234*s34*z2*z3) - 
   (2*s1234*s14*s23*z1*z4)/(s123*s234*s34*z2*z3) - 
   (2*s1234*s13*s14*s23*z1*z4)/(s12*s123*s234*s34*z2*z3) + 
   (s1234*s23^2*z1*z4)/(s12*s234*s34*z2*z3) - (s1234*s23^2*z1*z4)/
    (s123*s234*s34*z2*z3) - (2*s1234*s13*s23^2*z1*z4)/
    (s12*s123*s234*s34*z2*z3) - (2*s1234*s14*s23^2*z1*z4)/
    (s12*s123*s234*s34*z2*z3) - (s1234*s23^3*z1*z4)/
    (s12*s123*s234*s34*z2*z3) + (s1234*s23*z1*z4)/(s24*s34*z2*z3) + 
   (s1234*s23^3*z1*z4)/(s234^2*s24*s34*z2*z3) - (2*s1234*s23^2*z1*z4)/
    (s234*s24*s34*z2*z3) - (3*s1234*s24*z1*z4)/(s12*s34*z2*z3) + 
   (2*s1234*s24*z1*z4)/(s123*s34*z2*z3) + (2*s1234*s13*s24*z1*z4)/
    (s12*s123*s34*z2*z3) + (2*s1234*s23*s24*z1*z4)/(s12*s123*s34*z2*z3) + 
   (4*s1234*s23*s24*z1*z4)/(s234^2*s34*z2*z3) - 
   (4*s1234*s24*z1*z4)/(s234*s34*z2*z3) + (s12*s1234*s24*z1*z4)/
    (s123*s234*s34*z2*z3) + (2*s1234*s13*s24*z1*z4)/(s12*s234*s34*z2*z3) - 
   (s1234*s13^2*s24*z1*z4)/(s12*s123*s234*s34*z2*z3) + 
   (4*s1234*s14*s24*z1*z4)/(s12*s234*s34*z2*z3) - 
   (2*s1234*s14*s24*z1*z4)/(s123*s234*s34*z2*z3) - 
   (2*s1234*s13*s14*s24*z1*z4)/(s12*s123*s234*s34*z2*z3) + 
   (3*s1234*s23*s24*z1*z4)/(s12*s234*s34*z2*z3) - 
   (s1234*s23*s24*z1*z4)/(s123*s234*s34*z2*z3) - (3*s1234*s13*s23*s24*z1*z4)/
    (s12*s123*s234*s34*z2*z3) - (2*s1234*s14*s23*s24*z1*z4)/
    (s12*s123*s234*s34*z2*z3) - (2*s1234*s23^2*s24*z1*z4)/
    (s12*s123*s234*s34*z2*z3) + (2*s1234*s24^2*z1*z4)/(s234^2*s34*z2*z3) + 
   (2*s1234*s24^2*z1*z4)/(s12*s234*s34*z2*z3) - 
   (s1234*s24^2*z1*z4)/(s123*s234*s34*z2*z3) - (s1234*s13*s24^2*z1*z4)/
    (s12*s123*s234*s34*z2*z3) - (s1234*s23*s24^2*z1*z4)/
    (s12*s123*s234*s34*z2*z3) + (6*s1234*s34*z1*z4)/(s234^2*z2*z3) + 
   (s1234*s34*z1*z4)/(s123*s234*z2*z3) + (2*s1234*s34*z1*z4)/
    (s13*s234*z2*z3) + (s1234*s13*s34*z1*z4)/(s12*s123*s234*z2*z3) - 
   (s1234*s23*s34*z1*z4)/(s123*s13*s234*z2*z3) + 
   (2*s1234*s34*z1*z4)/(s123*s24*z2*z3) - (3*s1234*s34*z1*z4)/
    (s13*s24*z2*z3) + (2*s12*s1234*s34*z1*z4)/(s123*s13*s24*z2*z3) + 
   (2*s1234*s23*s34*z1*z4)/(s123*s13*s24*z2*z3) + 
   (4*s1234*s23*s34*z1*z4)/(s234^2*s24*z2*z3) - 
   (4*s1234*s34*z1*z4)/(s234*s24*z2*z3) + (2*s12*s1234*s34*z1*z4)/
    (s13*s234*s24*z2*z3) - (s12^2*s1234*s34*z1*z4)/
    (s123*s13*s234*s24*z2*z3) + (s1234*s13*s34*z1*z4)/(s123*s234*s24*z2*z3) - 
   (2*s1234*s14*s34*z1*z4)/(s123*s234*s24*z2*z3) + 
   (4*s1234*s14*s34*z1*z4)/(s13*s234*s24*z2*z3) - 
   (2*s12*s1234*s14*s34*z1*z4)/(s123*s13*s234*s24*z2*z3) - 
   (s1234*s23*s34*z1*z4)/(s123*s234*s24*z2*z3) + 
   (3*s1234*s23*s34*z1*z4)/(s13*s234*s24*z2*z3) - 
   (3*s12*s1234*s23*s34*z1*z4)/(s123*s13*s234*s24*z2*z3) - 
   (2*s1234*s14*s23*s34*z1*z4)/(s123*s13*s234*s24*z2*z3) - 
   (2*s1234*s23^2*s34*z1*z4)/(s123*s13*s234*s24*z2*z3) + 
   (2*s1234*s34^2*z1*z4)/(s234^2*s24*z2*z3) - (s1234*s34^2*z1*z4)/
    (s123*s234*s24*z2*z3) + (2*s1234*s34^2*z1*z4)/(s13*s234*s24*z2*z3) - 
   (s12*s1234*s34^2*z1*z4)/(s123*s13*s234*s24*z2*z3) - 
   (s1234*s23*s34^2*z1*z4)/(s123*s13*s234*s24*z2*z3) - 
   (4*s12*s1234*z4^2)/(s234^2*z2*z3) - (4*s1234*s13*z4^2)/(s234^2*z2*z3) - 
   (8*s1234*s14*z4^2)/(s234^2*z2*z3) - (4*s1234*z4^2)/(s234*z2*z3) + 
   (2*s12*s1234*z4^2)/(s123*s234*z2*z3) + (2*s1234*s13*z4^2)/
    (s123*s234*z2*z3) + (2*s1234*s23*z4^2)/(s123*s234*z2*z3) + 
   (3*s1234*z4^2)/(s24*z2*z3) - (2*s12*s1234*z4^2)/(s123*s24*z2*z3) - 
   (2*s1234*s13*z4^2)/(s123*s24*z2*z3) - (2*s1234*s23*z4^2)/
    (s123*s24*z2*z3) - (3*s12*s1234*s23*z4^2)/(s234^2*s24*z2*z3) - 
   (3*s1234*s13*s23*z4^2)/(s234^2*s24*z2*z3) - (6*s1234*s14*s23*z4^2)/
    (s234^2*s24*z2*z3) + (4*s12*s1234*z4^2)/(s234*s24*z2*z3) - 
   (s12^2*s1234*z4^2)/(s123*s234*s24*z2*z3) + (4*s1234*s13*z4^2)/
    (s234*s24*z2*z3) - (2*s12*s1234*s13*z4^2)/(s123*s234*s24*z2*z3) - 
   (s1234*s13^2*z4^2)/(s123*s234*s24*z2*z3) + (8*s1234*s14*z4^2)/
    (s234*s24*z2*z3) - (2*s12*s1234*s14*z4^2)/(s123*s234*s24*z2*z3) - 
   (2*s1234*s13*s14*z4^2)/(s123*s234*s24*z2*z3) - 
   (2*s1234*s23*z4^2)/(s234*s24*z2*z3) - (2*s1234*s14*s23*z4^2)/
    (s123*s234*s24*z2*z3) + (s1234*s23^2*z4^2)/(s123*s234*s24*z2*z3) + 
   (3*s1234*z4^2)/(s34*z2*z3) - (2*s12*s1234*z4^2)/(s123*s34*z2*z3) - 
   (2*s1234*s13*z4^2)/(s123*s34*z2*z3) - (2*s1234*s23*z4^2)/
    (s123*s34*z2*z3) - (3*s12*s1234*s23*z4^2)/(s234^2*s34*z2*z3) - 
   (3*s1234*s13*s23*z4^2)/(s234^2*s34*z2*z3) - (6*s1234*s14*s23*z4^2)/
    (s234^2*s34*z2*z3) + (4*s12*s1234*z4^2)/(s234*s34*z2*z3) - 
   (s12^2*s1234*z4^2)/(s123*s234*s34*z2*z3) + (4*s1234*s13*z4^2)/
    (s234*s34*z2*z3) - (2*s12*s1234*s13*z4^2)/(s123*s234*s34*z2*z3) - 
   (s1234*s13^2*z4^2)/(s123*s234*s34*z2*z3) + (8*s1234*s14*z4^2)/
    (s234*s34*z2*z3) - (2*s12*s1234*s14*z4^2)/(s123*s234*s34*z2*z3) - 
   (2*s1234*s13*s14*z4^2)/(s123*s234*s34*z2*z3) - 
   (2*s1234*s23*z4^2)/(s234*s34*z2*z3) - (2*s1234*s14*s23*z4^2)/
    (s123*s234*s34*z2*z3) + (s1234*s23^2*z4^2)/(s123*s234*s34*z2*z3) - 
   (s12*s1234*z4^2)/(s24*s34*z2*z3) - (s1234*s13*z4^2)/(s24*s34*z2*z3) - 
   (2*s1234*s14*z4^2)/(s24*s34*z2*z3) - (s12*s1234*s23^2*z4^2)/
    (s234^2*s24*s34*z2*z3) - (s1234*s13*s23^2*z4^2)/(s234^2*s24*s34*z2*z3) - 
   (2*s1234*s14*s23^2*z4^2)/(s234^2*s24*s34*z2*z3) + 
   (2*s12*s1234*s23*z4^2)/(s234*s24*s34*z2*z3) + 
   (2*s1234*s13*s23*z4^2)/(s234*s24*s34*z2*z3) + 
   (4*s1234*s14*s23*z4^2)/(s234*s24*s34*z2*z3) - 
   (2*s12*s1234*s24*z4^2)/(s234^2*s34*z2*z3) - (2*s1234*s13*s24*z4^2)/
    (s234^2*s34*z2*z3) - (4*s1234*s14*s24*z4^2)/(s234^2*s34*z2*z3) - 
   (2*s1234*s24*z4^2)/(s234*s34*z2*z3) + (s12*s1234*s24*z4^2)/
    (s123*s234*s34*z2*z3) + (s1234*s13*s24*z4^2)/(s123*s234*s34*z2*z3) + 
   (s1234*s23*s24*z4^2)/(s123*s234*s34*z2*z3) - (2*s12*s1234*s34*z4^2)/
    (s234^2*s24*z2*z3) - (2*s1234*s13*s34*z4^2)/(s234^2*s24*z2*z3) - 
   (4*s1234*s14*s34*z4^2)/(s234^2*s24*z2*z3) - 
   (2*s1234*s34*z4^2)/(s234*s24*z2*z3) + (s12*s1234*s34*z4^2)/
    (s123*s234*s24*z2*z3) + (s1234*s13*s34*z4^2)/(s123*s234*s24*z2*z3) + 
   (s1234*s23*s34*z4^2)/(s123*s234*s24*z2*z3))
