(* Created with the Wolfram Language for Students - Personal Use Only : www.wolfram.com *)
k4k4*((-4*s13)/(s123*s124) - (4*s13^2)/(s12*s123*s124) - 
   (8*s13)/(s123*s134) + (2*D*s13)/(s123*s134) + (2*D*s13)/(s124*s134) - 
   (4*s13*s14)/(s12*s123*s124) - (4*s23)/(s123*s124) - 
   (8*s13*s23)/(s12*s123*s124) - (8*s23)/(s123*s134) + 
   (2*D*s23)/(s123*s134) - (8*s23)/(s124*s134) + (2*D*s23)/(s124*s134) + 
   (8*s13*s23)/(s12*s123*s134) - (4*s14*s23)/(s12*s123*s124) - 
   (8*s14*s23)/(s12*s124*s134) - (4*s23^2)/(s12*s123*s124) + 
   (8*s13)/(s123*s234) - (2*D*s13)/(s123*s234) + (8*s13)/(s124*s234) - 
   (2*D*s13)/(s124*s234) + (8*s12)/(s134*s234) - (2*D*s12)/(s134*s234) + 
   (8*s23)/(s123*s234) - (2*D*s23)/(s123*s234) - (2*D*s23)/(s124*s234) - 
   (8*s13*s23)/(s12*s123*s234) - (4*s13*s24)/(s12*s123*s124) - 
   (4*s23*s24)/(s12*s123*s124) + (8*s13*s24)/(s12*s124*s234) + 
   (8*s12*s13*s23)/(s134*s234*s34^2) + (8*s13^2*s23)/(s134*s234*s34^2) + 
   (8*s13*s14*s23)/(s134*s234*s34^2) + (8*s13*s23^2)/(s134*s234*s34^2) + 
   (8*s13*s23*s24)/(s134*s234*s34^2) - (8*s12*s13)/(s123*s134*s34) + 
   (2*D*s12*s13)/(s123*s134*s34) + (2*D*s12*s13)/(s124*s134*s34) - 
   (8*s13^2)/(s123*s134*s34) + (2*D*s13^2)/(s123*s134*s34) + 
   (2*D*s13^2)/(s124*s134*s34) - (8*s13*s14)/(s123*s134*s34) + 
   (2*D*s13*s14)/(s123*s134*s34) + (2*D*s13*s14)/(s124*s134*s34) - 
   (8*s12*s23)/(s123*s134*s34) + (2*D*s12*s23)/(s123*s134*s34) - 
   (8*s12*s23)/(s124*s134*s34) + (2*D*s12*s23)/(s124*s134*s34) - 
   (8*s13*s23)/(s123*s134*s34) + (4*D*s13*s23)/(s123*s134*s34) - 
   (8*s13*s23)/(s124*s134*s34) + (4*D*s13*s23)/(s124*s134*s34) + 
   (8*s13^2*s23)/(s12*s123*s134*s34) - (8*s14*s23)/(s123*s134*s34) + 
   (2*D*s14*s23)/(s123*s134*s34) - (16*s14*s23)/(s124*s134*s34) + 
   (2*D*s14*s23)/(s124*s134*s34) + (8*s13*s14*s23)/(s12*s123*s134*s34) - 
   (8*s13*s14*s23)/(s12*s124*s134*s34) - (8*s14^2*s23)/(s12*s124*s134*s34) - 
   (8*s23^2)/(s123*s134*s34) + (2*D*s23^2)/(s123*s134*s34) - 
   (8*s23^2)/(s124*s134*s34) + (2*D*s23^2)/(s124*s134*s34) + 
   (8*s13*s23^2)/(s12*s123*s134*s34) - (8*s14*s23^2)/(s12*s124*s134*s34) + 
   (8*s12*s13)/(s123*s234*s34) - (2*D*s12*s13)/(s123*s234*s34) + 
   (8*s12*s13)/(s124*s234*s34) - (2*D*s12*s13)/(s124*s234*s34) + 
   (8*s13^2)/(s123*s234*s34) - (2*D*s13^2)/(s123*s234*s34) + 
   (8*s13^2)/(s124*s234*s34) - (2*D*s13^2)/(s124*s234*s34) + 
   (8*s12^2)/(s134*s234*s34) - (2*D*s12^2)/(s134*s234*s34) + 
   (8*s12*s13)/(s134*s234*s34) - (2*D*s12*s13)/(s134*s234*s34) + 
   (8*s13*s14)/(s123*s234*s34) - (2*D*s13*s14)/(s123*s234*s34) + 
   (8*s13*s14)/(s124*s234*s34) - (2*D*s13*s14)/(s124*s234*s34) + 
   (8*s12*s14)/(s134*s234*s34) - (2*D*s12*s14)/(s134*s234*s34) + 
   (8*s12*s23)/(s123*s234*s34) - (2*D*s12*s23)/(s123*s234*s34) - 
   (2*D*s12*s23)/(s124*s234*s34) + (8*s13*s23)/(s123*s234*s34) - 
   (4*D*s13*s23)/(s123*s234*s34) + (8*s13*s23)/(s124*s234*s34) - 
   (4*D*s13*s23)/(s124*s234*s34) - (8*s13^2*s23)/(s12*s123*s234*s34) + 
   (8*s12*s23)/(s134*s234*s34) - (2*D*s12*s23)/(s134*s234*s34) + 
   (8*s13*s23)/(s134*s234*s34) + (8*s14*s23)/(s123*s234*s34) - 
   (2*D*s14*s23)/(s123*s234*s34) - (2*D*s14*s23)/(s124*s234*s34) - 
   (8*s13*s14*s23)/(s12*s123*s234*s34) + (8*s23^2)/(s123*s234*s34) - 
   (2*D*s23^2)/(s123*s234*s34) - (2*D*s23^2)/(s124*s234*s34) - 
   (8*s13*s23^2)/(s12*s123*s234*s34) - (8*s13*s24)/(s123*s134*s34) + 
   (2*D*s13*s24)/(s123*s134*s34) + (2*D*s13*s24)/(s124*s134*s34) - 
   (8*s23*s24)/(s123*s134*s34) + (2*D*s23*s24)/(s123*s134*s34) - 
   (8*s23*s24)/(s124*s134*s34) + (2*D*s23*s24)/(s124*s134*s34) + 
   (8*s13*s23*s24)/(s12*s123*s134*s34) - (8*s14*s23*s24)/
    (s12*s124*s134*s34) + (8*s13*s24)/(s123*s234*s34) - 
   (2*D*s13*s24)/(s123*s234*s34) + (16*s13*s24)/(s124*s234*s34) - 
   (2*D*s13*s24)/(s124*s234*s34) + (8*s13^2*s24)/(s12*s124*s234*s34) + 
   (8*s12*s24)/(s134*s234*s34) - (2*D*s12*s24)/(s134*s234*s34) + 
   (8*s13*s14*s24)/(s12*s124*s234*s34) + (8*s23*s24)/(s123*s234*s34) - 
   (2*D*s23*s24)/(s123*s234*s34) - (2*D*s23*s24)/(s124*s234*s34) - 
   (8*s13*s23*s24)/(s12*s123*s234*s34) + (8*s13*s23*s24)/
    (s12*s124*s234*s34) + (8*s13*s24^2)/(s12*s124*s234*s34) - 
   (4*s13*s34)/(s12*s123*s124) - (4*s23*s34)/(s12*s123*s124) - 
   (4*s23*z1)/(s123*s134*z12) + (4*s23*z1)/(s124*s134*z12) - 
   (4*s13*s23*z1)/(s12*s123*s134*z12) + (4*s14*s23*z1)/(s12*s124*s134*z12) - 
   (4*s23^2*z1)/(s12*s123*s134*z12) + (4*s23*z1)/(s123*s234*z12) - 
   (4*s23*z1)/(s124*s234*z12) + (4*s13*s23*z1)/(s12*s123*s234*z12) - 
   (4*s14*s23*z1)/(s12*s124*s234*z12) + (4*s23^2*z1)/(s12*s123*s234*z12) + 
   (4*s23*s24*z1)/(s12*s124*s134*z12) - (4*s23*s24*z1)/(s12*s124*s234*z12) - 
   (4*s12*s23*z1)/(s123*s134*s34*z12) + (4*s12*s23*z1)/(s124*s134*s34*z12) - 
   (8*s13*s23*z1)/(s123*s134*s34*z12) + (4*s13*s23*z1)/(s124*s134*s34*z12) - 
   (4*s13^2*s23*z1)/(s12*s123*s134*s34*z12) - 
   (4*s14*s23*z1)/(s123*s134*s34*z12) + (8*s14*s23*z1)/(s124*s134*s34*z12) - 
   (4*s13*s14*s23*z1)/(s12*s123*s134*s34*z12) + 
   (4*s13*s14*s23*z1)/(s12*s124*s134*s34*z12) + 
   (4*s14^2*s23*z1)/(s12*s124*s134*s34*z12) - 
   (8*s23^2*z1)/(s123*s134*s34*z12) + (4*s23^2*z1)/(s124*s134*s34*z12) - 
   (8*s13*s23^2*z1)/(s12*s123*s134*s34*z12) - 
   (4*s14*s23^2*z1)/(s12*s123*s134*s34*z12) + 
   (4*s14*s23^2*z1)/(s12*s124*s134*s34*z12) - 
   (4*s23^3*z1)/(s12*s123*s134*s34*z12) + (4*s12*s23*z1)/
    (s123*s234*s34*z12) - (4*s12*s23*z1)/(s124*s234*s34*z12) + 
   (8*s13*s23*z1)/(s123*s234*s34*z12) - (4*s13*s23*z1)/(s124*s234*s34*z12) + 
   (4*s13^2*s23*z1)/(s12*s123*s234*s34*z12) + 
   (4*s14*s23*z1)/(s123*s234*s34*z12) - (8*s14*s23*z1)/(s124*s234*s34*z12) + 
   (4*s13*s14*s23*z1)/(s12*s123*s234*s34*z12) - 
   (4*s13*s14*s23*z1)/(s12*s124*s234*s34*z12) - 
   (4*s14^2*s23*z1)/(s12*s124*s234*s34*z12) + 
   (8*s23^2*z1)/(s123*s234*s34*z12) - (4*s23^2*z1)/(s124*s234*s34*z12) + 
   (8*s13*s23^2*z1)/(s12*s123*s234*s34*z12) + 
   (4*s14*s23^2*z1)/(s12*s123*s234*s34*z12) - 
   (4*s14*s23^2*z1)/(s12*s124*s234*s34*z12) + 
   (4*s23^3*z1)/(s12*s123*s234*s34*z12) - (4*s23*s24*z1)/
    (s123*s134*s34*z12) + (8*s23*s24*z1)/(s124*s134*s34*z12) - 
   (4*s13*s23*s24*z1)/(s12*s123*s134*s34*z12) + 
   (4*s13*s23*s24*z1)/(s12*s124*s134*s34*z12) + 
   (8*s14*s23*s24*z1)/(s12*s124*s134*s34*z12) - 
   (4*s23^2*s24*z1)/(s12*s123*s134*s34*z12) + 
   (4*s23^2*s24*z1)/(s12*s124*s134*s34*z12) + 
   (4*s23*s24*z1)/(s123*s234*s34*z12) - (8*s23*s24*z1)/(s124*s234*s34*z12) + 
   (4*s13*s23*s24*z1)/(s12*s123*s234*s34*z12) - 
   (4*s13*s23*s24*z1)/(s12*s124*s234*s34*z12) - 
   (8*s14*s23*s24*z1)/(s12*s124*s234*s34*z12) + 
   (4*s23^2*s24*z1)/(s12*s123*s234*s34*z12) - 
   (4*s23^2*s24*z1)/(s12*s124*s234*s34*z12) + 
   (4*s23*s24^2*z1)/(s12*s124*s134*s34*z12) - 
   (4*s23*s24^2*z1)/(s12*s124*s234*s34*z12) - (4*s13*z2)/(s123*s134*z12) + 
   (4*s13*z2)/(s124*s134*z12) - (4*s13^2*z2)/(s12*s123*s134*z12) + 
   (4*s13*s14*z2)/(s12*s124*s134*z12) - (4*s13*s23*z2)/(s12*s123*s134*z12) + 
   (4*s13*z2)/(s123*s234*z12) - (4*s13*z2)/(s124*s234*z12) + 
   (4*s13^2*z2)/(s12*s123*s234*z12) - (4*s13*s14*z2)/(s12*s124*s234*z12) + 
   (4*s13*s23*z2)/(s12*s123*s234*z12) + (4*s13*s24*z2)/(s12*s124*s134*z12) - 
   (4*s13*s24*z2)/(s12*s124*s234*z12) - (4*s12*s13*z2)/(s123*s134*s34*z12) + 
   (4*s12*s13*z2)/(s124*s134*s34*z12) - (8*s13^2*z2)/(s123*s134*s34*z12) + 
   (4*s13^2*z2)/(s124*s134*s34*z12) - (4*s13^3*z2)/(s12*s123*s134*s34*z12) - 
   (4*s13*s14*z2)/(s123*s134*s34*z12) + (8*s13*s14*z2)/(s124*s134*s34*z12) - 
   (4*s13^2*s14*z2)/(s12*s123*s134*s34*z12) + 
   (4*s13^2*s14*z2)/(s12*s124*s134*s34*z12) + 
   (4*s13*s14^2*z2)/(s12*s124*s134*s34*z12) - 
   (8*s13*s23*z2)/(s123*s134*s34*z12) + (4*s13*s23*z2)/(s124*s134*s34*z12) - 
   (8*s13^2*s23*z2)/(s12*s123*s134*s34*z12) - (4*s13*s14*s23*z2)/
    (s12*s123*s134*s34*z12) + (4*s13*s14*s23*z2)/(s12*s124*s134*s34*z12) - 
   (4*s13*s23^2*z2)/(s12*s123*s134*s34*z12) + 
   (4*s12*s13*z2)/(s123*s234*s34*z12) - (4*s12*s13*z2)/(s124*s234*s34*z12) + 
   (8*s13^2*z2)/(s123*s234*s34*z12) - (4*s13^2*z2)/(s124*s234*s34*z12) + 
   (4*s13^3*z2)/(s12*s123*s234*s34*z12) + (4*s13*s14*z2)/
    (s123*s234*s34*z12) - (8*s13*s14*z2)/(s124*s234*s34*z12) + 
   (4*s13^2*s14*z2)/(s12*s123*s234*s34*z12) - 
   (4*s13^2*s14*z2)/(s12*s124*s234*s34*z12) - 
   (4*s13*s14^2*z2)/(s12*s124*s234*s34*z12) + 
   (8*s13*s23*z2)/(s123*s234*s34*z12) - (4*s13*s23*z2)/(s124*s234*s34*z12) + 
   (8*s13^2*s23*z2)/(s12*s123*s234*s34*z12) + (4*s13*s14*s23*z2)/
    (s12*s123*s234*s34*z12) - (4*s13*s14*s23*z2)/(s12*s124*s234*s34*z12) + 
   (4*s13*s23^2*z2)/(s12*s123*s234*s34*z12) - 
   (4*s13*s24*z2)/(s123*s134*s34*z12) + (8*s13*s24*z2)/(s124*s134*s34*z12) - 
   (4*s13^2*s24*z2)/(s12*s123*s134*s34*z12) + 
   (4*s13^2*s24*z2)/(s12*s124*s134*s34*z12) + (8*s13*s14*s24*z2)/
    (s12*s124*s134*s34*z12) - (4*s13*s23*s24*z2)/(s12*s123*s134*s34*z12) + 
   (4*s13*s23*s24*z2)/(s12*s124*s134*s34*z12) + 
   (4*s13*s24*z2)/(s123*s234*s34*z12) - (8*s13*s24*z2)/(s124*s234*s34*z12) + 
   (4*s13^2*s24*z2)/(s12*s123*s234*s34*z12) - 
   (4*s13^2*s24*z2)/(s12*s124*s234*s34*z12) - (8*s13*s14*s24*z2)/
    (s12*s124*s234*s34*z12) + (4*s13*s23*s24*z2)/(s12*s123*s234*s34*z12) - 
   (4*s13*s23*s24*z2)/(s12*s124*s234*s34*z12) + 
   (4*s13*s24^2*z2)/(s12*s124*s134*s34*z12) - 
   (4*s13*s24^2*z2)/(s12*s124*s234*s34*z12) + (4*s12*z3)/(s123*s134*z12) - 
   (4*s12*z3)/(s124*s134*z12) + (4*s13*z3)/(s123*s134*z12) - 
   (4*s14*z3)/(s124*s134*z12) + (4*s23*z3)/(s123*s134*z12) - 
   (4*s12*z3)/(s123*s234*z12) + (4*s12*z3)/(s124*s234*z12) - 
   (4*s13*z3)/(s123*s234*z12) + (4*s14*z3)/(s124*s234*z12) - 
   (4*s23*z3)/(s123*s234*z12) - (4*s24*z3)/(s124*s134*z12) + 
   (4*s24*z3)/(s124*s234*z12) + (4*s12^2*z3)/(s123*s134*s34*z12) - 
   (4*s12^2*z3)/(s124*s134*s34*z12) + (8*s12*s13*z3)/(s123*s134*s34*z12) - 
   (4*s12*s13*z3)/(s124*s134*s34*z12) + (4*s13^2*z3)/(s123*s134*s34*z12) + 
   (4*s12*s14*z3)/(s123*s134*s34*z12) - (8*s12*s14*z3)/(s124*s134*s34*z12) + 
   (4*s13*s14*z3)/(s123*s134*s34*z12) - (4*s13*s14*z3)/(s124*s134*s34*z12) - 
   (4*s14^2*z3)/(s124*s134*s34*z12) + (8*s12*s23*z3)/(s123*s134*s34*z12) - 
   (4*s12*s23*z3)/(s124*s134*s34*z12) + (8*s13*s23*z3)/(s123*s134*s34*z12) + 
   (4*s14*s23*z3)/(s123*s134*s34*z12) - (4*s14*s23*z3)/(s124*s134*s34*z12) + 
   (4*s23^2*z3)/(s123*s134*s34*z12) - (4*s12^2*z3)/(s123*s234*s34*z12) + 
   (4*s12^2*z3)/(s124*s234*s34*z12) - (8*s12*s13*z3)/(s123*s234*s34*z12) + 
   (4*s12*s13*z3)/(s124*s234*s34*z12) - (4*s13^2*z3)/(s123*s234*s34*z12) - 
   (4*s12*s14*z3)/(s123*s234*s34*z12) + (8*s12*s14*z3)/(s124*s234*s34*z12) - 
   (4*s13*s14*z3)/(s123*s234*s34*z12) + (4*s13*s14*z3)/(s124*s234*s34*z12) + 
   (4*s14^2*z3)/(s124*s234*s34*z12) - (8*s12*s23*z3)/(s123*s234*s34*z12) + 
   (4*s12*s23*z3)/(s124*s234*s34*z12) - (8*s13*s23*z3)/(s123*s234*s34*z12) - 
   (4*s14*s23*z3)/(s123*s234*s34*z12) + (4*s14*s23*z3)/(s124*s234*s34*z12) - 
   (4*s23^2*z3)/(s123*s234*s34*z12) + (4*s12*s24*z3)/(s123*s134*s34*z12) - 
   (8*s12*s24*z3)/(s124*s134*s34*z12) + (4*s13*s24*z3)/(s123*s134*s34*z12) - 
   (4*s13*s24*z3)/(s124*s134*s34*z12) - (8*s14*s24*z3)/(s124*s134*s34*z12) + 
   (4*s23*s24*z3)/(s123*s134*s34*z12) - (4*s23*s24*z3)/(s124*s134*s34*z12) - 
   (4*s12*s24*z3)/(s123*s234*s34*z12) + (8*s12*s24*z3)/(s124*s234*s34*z12) - 
   (4*s13*s24*z3)/(s123*s234*s34*z12) + (4*s13*s24*z3)/(s124*s234*s34*z12) + 
   (8*s14*s24*z3)/(s124*s234*s34*z12) - (4*s23*s24*z3)/(s123*s234*s34*z12) + 
   (4*s23*s24*z3)/(s124*s234*s34*z12) - (4*s24^2*z3)/(s124*s134*s34*z12) + 
   (4*s24^2*z3)/(s124*s234*s34*z12) - (8*s12*z3)/(s124*s134*z34) - 
   (16*s13*z3)/(s124*s134*z34) - (16*s14*z3)/(s124*s134*z34) - 
   (8*s23*z3)/(s124*s134*z34) + (8*s12*z3)/(s124*s234*z34) + 
   (8*s13*z3)/(s124*s234*z34) + (8*s14*z3)/(s124*s234*z34) + 
   (16*s23*z3)/(s124*s234*z34) - (8*s24*z3)/(s124*s134*z34) + 
   (16*s24*z3)/(s124*s234*z34) - (8*s12*s13*z3)/(s124*s134*s34*z34) - 
   (8*s13^2*z3)/(s124*s134*s34*z34) - (8*s12*s14*z3)/(s124*s134*s34*z34) - 
   (16*s13*s14*z3)/(s124*s134*s34*z34) - (8*s14^2*z3)/(s124*s134*s34*z34) - 
   (8*s13*s23*z3)/(s124*s134*s34*z34) - (8*s14*s23*z3)/(s124*s134*s34*z34) + 
   (8*s12*s23*z3)/(s124*s234*s34*z34) + (8*s13*s23*z3)/(s124*s234*s34*z34) + 
   (8*s14*s23*z3)/(s124*s234*s34*z34) + (8*s23^2*z3)/(s124*s234*s34*z34) - 
   (8*s13*s24*z3)/(s124*s134*s34*z34) - (8*s14*s24*z3)/(s124*s134*s34*z34) + 
   (8*s12*s24*z3)/(s124*s234*s34*z34) + (8*s13*s24*z3)/(s124*s234*s34*z34) + 
   (8*s14*s24*z3)/(s124*s234*s34*z34) + (16*s23*s24*z3)/(s124*s234*s34*z34) + 
   (8*s24^2*z3)/(s124*s234*s34*z34) - (8*s34*z3)/(s124*s134*z34) + 
   (8*s34*z3)/(s124*s234*z34)) + k2k4*((-4*s13)/s123^2 + (D*s13)/s123^2 - 
   (6*s13)/(s123*s124) + (D*s13)/(s123*s124) - (6*s13^2)/(s12*s123^2) + 
   (D*s13^2)/(s12*s123^2) - (6*s13^2)/(s12*s123*s124) + 
   (D*s13^2)/(s12*s123*s124) - (2*s13^3)/(s12^2*s123^2) - (4*s13)/s134^2 + 
   (D*s13)/s134^2 + (D*s12)/(s123*s134) + (4*s12)/(s124*s134) - 
   (D*s12)/(s124*s134) + (D*s13)/(s123*s134) + (8*s13)/(s124*s134) - 
   (D*s13)/(s124*s134) + (4*s13^2)/(s12*s123*s134) + 
   (D*s13^2)/(s12*s123*s134) - (4*s13^2)/(s12*s124*s134) + 
   (D*s13^2)/(s12*s124*s134) - (4*s13*s14)/(s12*s123^2) + 
   (D*s13*s14)/(s12*s123^2) - (4*s13*s14)/(s12*s123*s124) + 
   (D*s13*s14)/(s12*s123*s124) - (2*s13^2*s14)/(s12^2*s123^2) + 
   (2*s13^2*s14)/(s12^2*s123*s124) - (2*s14)/s134^2 + (D*s14)/s134^2 + 
   (D*s14)/(s123*s134) + (8*s14)/(s124*s134) - (D*s14)/(s124*s134) - 
   (4*s13*s14)/(s12*s123*s134) + (D*s13*s14)/(s12*s123*s134) + 
   (D*s13*s14)/(s12*s124*s134) + (2*s13*s14^2)/(s12^2*s123*s124) + 
   (4*s14^2)/(s12*s124*s134) - (2*s23)/s123^2 + (D*s23)/s123^2 - 
   (4*s23)/(s123*s124) + (D*s23)/(s123*s124) - (4*s13*s23)/(s12*s123^2) + 
   (2*D*s13*s23)/(s12*s123^2) - (10*s13*s23)/(s12*s123*s124) + 
   (2*D*s13*s23)/(s12*s123*s124) + (D*s23)/(s123*s134) + 
   (4*s23)/(s124*s134) - (D*s23)/(s124*s134) - (4*s13*s23)/(s12*s123*s134) + 
   (D*s13*s23)/(s12*s123*s134) - (4*s13*s23)/(s12*s124*s134) + 
   (D*s13*s23)/(s12*s124*s134) - (2*s14*s23)/(s12*s123^2) + 
   (D*s14*s23)/(s12*s123^2) - (4*s14*s23)/(s12*s123*s124) + 
   (D*s14*s23)/(s12*s123*s124) + (2*s13*s14*s23)/(s12^2*s123^2) + 
   (2*s13*s14*s23)/(s12^2*s123*s124) + (D*s14*s23)/(s12*s123*s134) + 
   (D*s14*s23)/(s12*s124*s134) - (2*s23^2)/(s12*s123^2) + 
   (D*s23^2)/(s12*s123^2) - (4*s23^2)/(s12*s123*s124) + 
   (D*s23^2)/(s12*s123*s124) + (2*s13*s23^2)/(s12^2*s123^2) + 
   (4*s12)/(s123*s234) - (D*s12)/(s123*s234) + (D*s12)/(s124*s234) + 
   (8*s13)/(s123*s234) - (D*s13)/(s123*s234) + (D*s13)/(s124*s234) + 
   (D*s13^2)/(s12*s123*s234) - (4*s13^2)/(s12*s124*s234) + 
   (D*s13^2)/(s12*s124*s234) + (2*s12)/(s134*s234) - (6*s13)/(s134*s234) + 
   (D*s13)/(s134*s234) + (4*s14)/(s123*s234) - (D*s14)/(s123*s234) + 
   (D*s14)/(s124*s234) + (D*s13*s14)/(s12*s123*s234) - 
   (4*s13*s14)/(s12*s124*s234) + (D*s13*s14)/(s12*s124*s234) - 
   (4*s14)/(s134*s234) + (D*s14)/(s134*s234) + (8*s23)/(s123*s234) - 
   (D*s23)/(s123*s234) + (D*s23)/(s124*s234) + (D*s13*s23)/(s12*s123*s234) - 
   (4*s13*s23)/(s12*s124*s234) + (D*s13*s23)/(s12*s124*s234) - 
   (4*s14*s23)/(s12*s123*s234) + (D*s14*s23)/(s12*s123*s234) + 
   (D*s14*s23)/(s12*s124*s234) - (4*s13*s24)/(s12*s123^2) + 
   (D*s13*s24)/(s12*s123^2) - (8*s13*s24)/(s12*s123*s124) + 
   (D*s13*s24)/(s12*s123*s124) - (2*s13^2*s24)/(s12^2*s123^2) - 
   (2*s13^2*s24)/(s12^2*s123*s124) + (D*s24)/(s123*s134) + 
   (4*s24)/(s124*s134) - (D*s24)/(s124*s134) - (4*s13*s24)/(s12*s123*s134) + 
   (4*s14*s24)/(s12*s124*s134) - (2*s23*s24)/(s12*s123^2) + 
   (D*s23*s24)/(s12*s123^2) - (4*s23*s24)/(s12*s123*s124) + 
   (D*s23*s24)/(s12*s123*s124) + (2*s13*s23*s24)/(s12^2*s123^2) - 
   (2*s13*s23*s24)/(s12^2*s123*s124) + (4*s24)/(s123*s234) - 
   (D*s24)/(s123*s234) + (D*s24)/(s124*s234) + (4*s13*s24)/(s12*s123*s234) + 
   (4*s13*s24)/(s12*s124*s234) - (2*s13*s24^2)/(s12^2*s123*s124) - 
   (2*s12*s13^2)/(s134^2*s34^2) - (2*s13^3)/(s134^2*s34^2) + 
   (2*s12*s13*s14)/(s134^2*s34^2) + (2*s13*s14^2)/(s134^2*s34^2) - 
   (2*s13^2*s23)/(s134^2*s34^2) + (2*s13*s14*s23)/(s134^2*s34^2) + 
   (2*s12*s13*s23)/(s134*s234*s34^2) + (2*s13^2*s23)/(s134*s234*s34^2) + 
   (2*s13*s14*s23)/(s134*s234*s34^2) + (2*s13*s23^2)/(s134*s234*s34^2) - 
   (2*s13^2*s24)/(s134^2*s34^2) + (2*s13*s14*s24)/(s134^2*s34^2) - 
   (2*s12*s13*s24)/(s134*s234*s34^2) - (2*s13^2*s24)/(s134*s234*s34^2) - 
   (2*s13*s14*s24)/(s134*s234*s34^2) - (2*s13*s24^2)/(s134*s234*s34^2) - 
   (4*s12*s13)/(s134^2*s34) + (D*s12*s13)/(s134^2*s34) - 
   (6*s13^2)/(s134^2*s34) + (D*s13^2)/(s134^2*s34) + 
   (4*s12*s13)/(s124*s134*s34) + (4*s13^2)/(s123*s134*s34) + 
   (D*s13^2)/(s123*s134*s34) + (D*s13^2)/(s124*s134*s34) + 
   (4*s13^3)/(s12*s123*s134*s34) + (D*s13^3)/(s12*s123*s134*s34) - 
   (4*s13^3)/(s12*s124*s134*s34) + (D*s13^3)/(s12*s124*s134*s34) - 
   (2*s12*s14)/(s134^2*s34) + (D*s12*s14)/(s134^2*s34) - 
   (4*s13*s14)/(s134^2*s34) + (2*D*s13*s14)/(s134^2*s34) - 
   (4*s13*s14)/(s123*s134*s34) + (D*s13*s14)/(s123*s134*s34) + 
   (D*s13*s14)/(s124*s134*s34) + (2*D*s13^2*s14)/(s12*s123*s134*s34) - 
   (8*s13^2*s14)/(s12*s124*s134*s34) + (2*D*s13^2*s14)/(s12*s124*s134*s34) - 
   (2*s14^2)/(s134^2*s34) + (D*s14^2)/(s134^2*s34) - 
   (4*s13*s14^2)/(s12*s123*s134*s34) + (D*s13*s14^2)/(s12*s123*s134*s34) - 
   (4*s13*s14^2)/(s12*s124*s134*s34) + (D*s13*s14^2)/(s12*s124*s134*s34) - 
   (4*s13*s23)/(s134^2*s34) + (D*s13*s23)/(s134^2*s34) - 
   (4*s13*s23)/(s123*s134*s34) + (D*s13*s23)/(s123*s134*s34) + 
   (D*s13*s23)/(s124*s134*s34) + (2*D*s13^2*s23)/(s12*s123*s134*s34) - 
   (8*s13^2*s23)/(s12*s124*s134*s34) + (2*D*s13^2*s23)/(s12*s124*s134*s34) - 
   (2*s14*s23)/(s134^2*s34) + (D*s14*s23)/(s134^2*s34) + 
   (D*s14*s23)/(s123*s134*s34) - (4*s14*s23)/(s124*s134*s34) + 
   (D*s14*s23)/(s124*s134*s34) - (8*s13*s14*s23)/(s12*s123*s134*s34) + 
   (3*D*s13*s14*s23)/(s12*s123*s134*s34) - (12*s13*s14*s23)/
    (s12*s124*s134*s34) + (3*D*s13*s14*s23)/(s12*s124*s134*s34) + 
   (D*s14^2*s23)/(s12*s123*s134*s34) - (4*s14^2*s23)/(s12*s124*s134*s34) + 
   (D*s14^2*s23)/(s12*s124*s134*s34) - (4*s13*s23^2)/(s12*s123*s134*s34) + 
   (D*s13*s23^2)/(s12*s123*s134*s34) - (4*s13*s23^2)/(s12*s124*s134*s34) + 
   (D*s13*s23^2)/(s12*s124*s134*s34) + (D*s14*s23^2)/(s12*s123*s134*s34) - 
   (4*s14*s23^2)/(s12*s124*s134*s34) + (D*s14*s23^2)/(s12*s124*s134*s34) - 
   (4*s13^2)/(s123*s234*s34) + (D*s13^2)/(s123*s234*s34) - 
   (4*s13^2)/(s124*s234*s34) + (D*s13^2)/(s124*s234*s34) - 
   (4*s13^3)/(s12*s123*s234*s34) + (D*s13^3)/(s12*s123*s234*s34) - 
   (4*s13^3)/(s12*s124*s234*s34) + (D*s13^3)/(s12*s124*s234*s34) + 
   (2*s12^2)/(s134*s234*s34) - (4*s12*s13)/(s134*s234*s34) + 
   (D*s12*s13)/(s134*s234*s34) - (6*s13^2)/(s134*s234*s34) + 
   (D*s13^2)/(s134*s234*s34) - (4*s13*s14)/(s123*s234*s34) + 
   (D*s13*s14)/(s123*s234*s34) - (4*s13*s14)/(s124*s234*s34) + 
   (D*s13*s14)/(s124*s234*s34) - (8*s13^2*s14)/(s12*s123*s234*s34) + 
   (2*D*s13^2*s14)/(s12*s123*s234*s34) - (8*s13^2*s14)/(s12*s124*s234*s34) + 
   (2*D*s13^2*s14)/(s12*s124*s234*s34) - (2*s12*s14)/(s134*s234*s34) + 
   (D*s12*s14)/(s134*s234*s34) - (10*s13*s14)/(s134*s234*s34) + 
   (2*D*s13*s14)/(s134*s234*s34) - (4*s13*s14^2)/(s12*s123*s234*s34) + 
   (D*s13*s14^2)/(s12*s123*s234*s34) - (4*s13*s14^2)/(s12*s124*s234*s34) + 
   (D*s13*s14^2)/(s12*s124*s234*s34) - (4*s14^2)/(s134*s234*s34) + 
   (D*s14^2)/(s134*s234*s34) + (4*s12*s23)/(s123*s234*s34) + 
   (D*s13*s23)/(s123*s234*s34) - (4*s13*s23)/(s124*s234*s34) + 
   (D*s13*s23)/(s124*s234*s34) - (8*s13^2*s23)/(s12*s123*s234*s34) + 
   (2*D*s13^2*s23)/(s12*s123*s234*s34) - (8*s13^2*s23)/(s12*s124*s234*s34) + 
   (2*D*s13^2*s23)/(s12*s124*s234*s34) + (2*s12*s23)/(s134*s234*s34) - 
   (4*s13*s23)/(s134*s234*s34) + (D*s13*s23)/(s134*s234*s34) + 
   (D*s14*s23)/(s123*s234*s34) + (D*s14*s23)/(s124*s234*s34) - 
   (12*s13*s14*s23)/(s12*s123*s234*s34) + (3*D*s13*s14*s23)/
    (s12*s123*s234*s34) - (8*s13*s14*s23)/(s12*s124*s234*s34) + 
   (3*D*s13*s14*s23)/(s12*s124*s234*s34) - (4*s14*s23)/(s134*s234*s34) + 
   (D*s14*s23)/(s134*s234*s34) - (4*s14^2*s23)/(s12*s123*s234*s34) + 
   (D*s14^2*s23)/(s12*s123*s234*s34) + (D*s14^2*s23)/(s12*s124*s234*s34) + 
   (4*s23^2)/(s123*s234*s34) - (4*s13*s23^2)/(s12*s123*s234*s34) + 
   (D*s13*s23^2)/(s12*s123*s234*s34) - (4*s13*s23^2)/(s12*s124*s234*s34) + 
   (D*s13*s23^2)/(s12*s124*s234*s34) - (4*s14*s23^2)/(s12*s123*s234*s34) + 
   (D*s14*s23^2)/(s12*s123*s234*s34) + (D*s14*s23^2)/(s12*s124*s234*s34) - 
   (4*s13*s24)/(s134^2*s34) + (D*s13*s24)/(s134^2*s34) - 
   (4*s13*s24)/(s123*s134*s34) + (4*s13*s24)/(s124*s134*s34) + 
   (D*s13^2*s24)/(s12*s123*s134*s34) - (4*s13^2*s24)/(s12*s124*s134*s34) + 
   (D*s13^2*s24)/(s12*s124*s134*s34) - (2*s14*s24)/(s134^2*s34) + 
   (D*s14*s24)/(s134^2*s34) - (8*s13*s14*s24)/(s12*s123*s134*s34) + 
   (D*s13*s14*s24)/(s12*s123*s134*s34) - (4*s13*s14*s24)/
    (s12*s124*s134*s34) + (D*s13*s14*s24)/(s12*s124*s134*s34) - 
   (8*s13*s23*s24)/(s12*s123*s134*s34) + (D*s13*s23*s24)/
    (s12*s123*s134*s34) - (4*s13*s23*s24)/(s12*s124*s134*s34) + 
   (D*s13*s23*s24)/(s12*s124*s134*s34) + (D*s14*s23*s24)/
    (s12*s123*s134*s34) - (4*s14*s23*s24)/(s12*s124*s134*s34) + 
   (D*s14*s23*s24)/(s12*s124*s134*s34) + (4*s13*s24)/(s124*s234*s34) - 
   (4*s13^2*s24)/(s12*s123*s234*s34) + (D*s13^2*s24)/(s12*s123*s234*s34) + 
   (D*s13^2*s24)/(s12*s124*s234*s34) + (2*s12*s24)/(s134*s234*s34) - 
   (8*s13*s24)/(s134*s234*s34) + (D*s13*s24)/(s134*s234*s34) - 
   (4*s13*s14*s24)/(s12*s123*s234*s34) + (D*s13*s14*s24)/
    (s12*s123*s234*s34) + (D*s13*s14*s24)/(s12*s124*s234*s34) - 
   (4*s14*s24)/(s134*s234*s34) + (D*s14*s24)/(s134*s234*s34) + 
   (4*s23*s24)/(s123*s234*s34) - (4*s13*s23*s24)/(s12*s123*s234*s34) + 
   (D*s13*s23*s24)/(s12*s123*s234*s34) + (D*s13*s23*s24)/
    (s12*s124*s234*s34) - (4*s14*s23*s24)/(s12*s123*s234*s34) + 
   (D*s14*s23*s24)/(s12*s123*s234*s34) + (D*s14*s23*s24)/
    (s12*s124*s234*s34) - (4*s13*s24^2)/(s12*s123*s134*s34) + 
   (4*s13*s24^2)/(s12*s124*s234*s34) + (2*s34)/(s123*s124) - 
   (4*s13*s34)/(s12*s123^2) + (D*s13*s34)/(s12*s123^2) - 
   (4*s13*s34)/(s12*s123*s124) + (D*s13*s34)/(s12*s123*s124) - 
   (2*s13^2*s34)/(s12^2*s123^2) + (D*s34)/(s123*s134) + (4*s34)/(s124*s134) - 
   (D*s34)/(s124*s134) + (2*s14*s34)/(s12*s123*s124) + 
   (2*s13*s14*s34)/(s12^2*s123*s124) + (4*s14*s34)/(s12*s124*s134) - 
   (2*s23*s34)/(s12*s123^2) + (D*s23*s34)/(s12*s123^2) - 
   (2*s23*s34)/(s12*s123*s124) + (D*s23*s34)/(s12*s123*s124) + 
   (2*s13*s23*s34)/(s12^2*s123^2) + (4*s34)/(s123*s234) - 
   (D*s34)/(s123*s234) + (D*s34)/(s124*s234) + (4*s13*s34)/(s12*s123*s234) + 
   (2*s24*s34)/(s12*s123*s124) - (2*s13*s24*s34)/(s12^2*s123*s124) + 
   (2*s34^2)/(s12*s123*s124) + (2*s13*z1)/(s123^2*z12) - 
   (2*s13*z1)/(s123*s124*z12) + (4*s13^2*z1)/(s12*s123^2*z12) - 
   (2*s13^2*z1)/(s12*s123*s124*z12) + (2*s13^3*z1)/(s12^2*s123^2*z12) + 
   (2*s12*z1)/(s123*s134*z12) - (2*s12*z1)/(s124*s134*z12) + 
   (2*s13*z1)/(s124*s134*z12) - (2*s13^2*z1)/(s12*s123*s134*z12) + 
   (2*s13*s14*z1)/(s12*s123^2*z12) - (4*s13*s14*z1)/(s12*s123*s124*z12) + 
   (2*s13^2*s14*z1)/(s12^2*s123^2*z12) - (2*s13^2*s14*z1)/
    (s12^2*s123*s124*z12) + (2*s14*z1)/(s123*s134*z12) - 
   (4*s14*z1)/(s124*s134*z12) + (2*s13*s14*z1)/(s12*s123*s134*z12) + 
   (2*s13*s14*z1)/(s12*s124*s134*z12) - (2*s13*s14^2*z1)/
    (s12^2*s123*s124*z12) - (2*s14^2*z1)/(s12*s124*s134*z12) + 
   (4*s13*s23*z1)/(s12*s123^2*z12) - (2*s13*s23*z1)/(s12*s123*s124*z12) + 
   (4*s13^2*s23*z1)/(s12^2*s123^2*z12) + (4*s23*z1)/(s123*s134*z12) - 
   (2*s23*z1)/(s124*s134*z12) + (2*s13*s14*s23*z1)/(s12^2*s123^2*z12) - 
   (2*s13*s14*s23*z1)/(s12^2*s123*s124*z12) + 
   (2*s14*s23*z1)/(s12*s123*s134*z12) - (2*s14*s23*z1)/(s12*s124*s134*z12) + 
   (2*s13*s23^2*z1)/(s12^2*s123^2*z12) + (2*s23^2*z1)/(s12*s123*s134*z12) - 
   (2*s12*z1)/(s123*s234*z12) + (2*s12*z1)/(s124*s234*z12) - 
   (4*s13*z1)/(s123*s234*z12) + (2*s13*z1)/(s124*s234*z12) - 
   (2*s13^2*z1)/(s12*s123*s234*z12) - (2*s14*z1)/(s123*s234*z12) + 
   (4*s14*z1)/(s124*s234*z12) - (2*s13*s14*z1)/(s12*s123*s234*z12) + 
   (2*s13*s14*z1)/(s12*s124*s234*z12) + (2*s14^2*z1)/(s12*s124*s234*z12) - 
   (2*s23*z1)/(s124*s234*z12) - (2*s14*s23*z1)/(s12*s123*s234*z12) - 
   (2*s14*s23*z1)/(s12*s124*s234*z12) + (2*s23^2*z1)/(s12*s123*s234*z12) + 
   (2*s13*s24*z1)/(s12*s123^2*z12) - (4*s13*s24*z1)/(s12*s123*s124*z12) + 
   (2*s13^2*s24*z1)/(s12^2*s123^2*z12) - (2*s13^2*s24*z1)/
    (s12^2*s123*s124*z12) + (2*s24*z1)/(s123*s134*z12) - 
   (4*s24*z1)/(s124*s134*z12) + (2*s13*s24*z1)/(s12*s123*s134*z12) + 
   (2*s13*s24*z1)/(s12*s124*s134*z12) - (4*s13*s14*s24*z1)/
    (s12^2*s123*s124*z12) - (4*s14*s24*z1)/(s12*s124*s134*z12) + 
   (2*s13*s23*s24*z1)/(s12^2*s123^2*z12) - (2*s13*s23*s24*z1)/
    (s12^2*s123*s124*z12) + (2*s23*s24*z1)/(s12*s123*s134*z12) - 
   (2*s23*s24*z1)/(s12*s124*s134*z12) - (2*s24*z1)/(s123*s234*z12) + 
   (4*s24*z1)/(s124*s234*z12) - (2*s13*s24*z1)/(s12*s123*s234*z12) + 
   (2*s13*s24*z1)/(s12*s124*s234*z12) + (4*s14*s24*z1)/(s12*s124*s234*z12) - 
   (2*s23*s24*z1)/(s12*s123*s234*z12) - (2*s23*s24*z1)/(s12*s124*s234*z12) - 
   (2*s13*s24^2*z1)/(s12^2*s123*s124*z12) - 
   (2*s24^2*z1)/(s12*s124*s134*z12) + (2*s24^2*z1)/(s12*s124*s234*z12) - 
   (4*s12*s13*z1)/(s123*s134*s34*z12) + (4*s12*s13*z1)/(s124*s134*s34*z12) - 
   (8*s13^2*z1)/(s123*s134*s34*z12) + (4*s13^2*z1)/(s124*s134*s34*z12) - 
   (4*s13^3*z1)/(s12*s123*s134*s34*z12) - (4*s13*s14*z1)/
    (s123*s134*s34*z12) + (8*s13*s14*z1)/(s124*s134*s34*z12) - 
   (4*s13^2*s14*z1)/(s12*s123*s134*s34*z12) + 
   (4*s13^2*s14*z1)/(s12*s124*s134*s34*z12) + 
   (4*s13*s14^2*z1)/(s12*s124*s134*s34*z12) - 
   (8*s13*s23*z1)/(s123*s134*s34*z12) + (4*s13*s23*z1)/(s124*s134*s34*z12) - 
   (8*s13^2*s23*z1)/(s12*s123*s134*s34*z12) - (4*s13*s14*s23*z1)/
    (s12*s123*s134*s34*z12) + (4*s13*s14*s23*z1)/(s12*s124*s134*s34*z12) - 
   (4*s13*s23^2*z1)/(s12*s123*s134*s34*z12) + 
   (4*s12*s23*z1)/(s123*s234*s34*z12) - (4*s12*s23*z1)/(s124*s234*s34*z12) + 
   (8*s13*s23*z1)/(s123*s234*s34*z12) - (4*s13*s23*z1)/(s124*s234*s34*z12) + 
   (4*s13^2*s23*z1)/(s12*s123*s234*s34*z12) + 
   (4*s14*s23*z1)/(s123*s234*s34*z12) - (8*s14*s23*z1)/(s124*s234*s34*z12) + 
   (4*s13*s14*s23*z1)/(s12*s123*s234*s34*z12) - 
   (4*s13*s14*s23*z1)/(s12*s124*s234*s34*z12) - 
   (4*s14^2*s23*z1)/(s12*s124*s234*s34*z12) + 
   (8*s23^2*z1)/(s123*s234*s34*z12) - (4*s23^2*z1)/(s124*s234*s34*z12) + 
   (8*s13*s23^2*z1)/(s12*s123*s234*s34*z12) + 
   (4*s14*s23^2*z1)/(s12*s123*s234*s34*z12) - 
   (4*s14*s23^2*z1)/(s12*s124*s234*s34*z12) + 
   (4*s23^3*z1)/(s12*s123*s234*s34*z12) - (4*s13*s24*z1)/
    (s123*s134*s34*z12) + (8*s13*s24*z1)/(s124*s134*s34*z12) - 
   (4*s13^2*s24*z1)/(s12*s123*s134*s34*z12) + 
   (4*s13^2*s24*z1)/(s12*s124*s134*s34*z12) + (8*s13*s14*s24*z1)/
    (s12*s124*s134*s34*z12) - (4*s13*s23*s24*z1)/(s12*s123*s134*s34*z12) + 
   (4*s13*s23*s24*z1)/(s12*s124*s134*s34*z12) + 
   (4*s23*s24*z1)/(s123*s234*s34*z12) - (8*s23*s24*z1)/(s124*s234*s34*z12) + 
   (4*s13*s23*s24*z1)/(s12*s123*s234*s34*z12) - 
   (4*s13*s23*s24*z1)/(s12*s124*s234*s34*z12) - 
   (8*s14*s23*s24*z1)/(s12*s124*s234*s34*z12) + 
   (4*s23^2*s24*z1)/(s12*s123*s234*s34*z12) - 
   (4*s23^2*s24*z1)/(s12*s124*s234*s34*z12) + 
   (4*s13*s24^2*z1)/(s12*s124*s134*s34*z12) - 
   (4*s23*s24^2*z1)/(s12*s124*s234*s34*z12) + 
   (2*s13*s34*z1)/(s12*s123^2*z12) - (2*s13*s34*z1)/(s12*s123*s124*z12) + 
   (2*s13^2*s34*z1)/(s12^2*s123^2*z12) + (2*s34*z1)/(s123*s134*z12) - 
   (2*s34*z1)/(s124*s134*z12) + (2*s13*s34*z1)/(s12*s123*s134*z12) - 
   (2*s13*s14*s34*z1)/(s12^2*s123*s124*z12) - 
   (2*s14*s34*z1)/(s12*s124*s134*z12) + (2*s13*s23*s34*z1)/
    (s12^2*s123^2*z12) + (2*s23*s34*z1)/(s12*s123*s134*z12) - 
   (2*s34*z1)/(s123*s234*z12) + (2*s34*z1)/(s124*s234*z12) - 
   (2*s13*s34*z1)/(s12*s123*s234*z12) + (2*s14*s34*z1)/(s12*s124*s234*z12) - 
   (2*s23*s34*z1)/(s12*s123*s234*z12) - (2*s13*s24*s34*z1)/
    (s12^2*s123*s124*z12) - (2*s24*s34*z1)/(s12*s124*s134*z12) + 
   (2*s24*s34*z1)/(s12*s124*s234*z12) - (2*s13*z2)/(s123^2*z12) + 
   (2*s13*z2)/(s123*s124*z12) - (4*s13^2*z2)/(s12*s123^2*z12) + 
   (2*s13^2*z2)/(s12*s123*s124*z12) - (2*s13^3*z2)/(s12^2*s123^2*z12) - 
   (2*s13*s14*z2)/(s12*s123^2*z12) + (4*s13*s14*z2)/(s12*s123*s124*z12) - 
   (2*s13^2*s14*z2)/(s12^2*s123^2*z12) + (2*s13^2*s14*z2)/
    (s12^2*s123*s124*z12) + (2*s13*s14^2*z2)/(s12^2*s123*s124*z12) - 
   (4*s13*s23*z2)/(s12*s123^2*z12) + (2*s13*s23*z2)/(s12*s123*s124*z12) - 
   (4*s13^2*s23*z2)/(s12^2*s123^2*z12) - (2*s13*s14*s23*z2)/
    (s12^2*s123^2*z12) + (2*s13*s14*s23*z2)/(s12^2*s123*s124*z12) - 
   (2*s13*s23^2*z2)/(s12^2*s123^2*z12) - (2*s13*s24*z2)/(s12*s123^2*z12) + 
   (4*s13*s24*z2)/(s12*s123*s124*z12) - (2*s13^2*s24*z2)/(s12^2*s123^2*z12) + 
   (2*s13^2*s24*z2)/(s12^2*s123*s124*z12) + (4*s13*s14*s24*z2)/
    (s12^2*s123*s124*z12) - (2*s13*s23*s24*z2)/(s12^2*s123^2*z12) + 
   (2*s13*s23*s24*z2)/(s12^2*s123*s124*z12) + 
   (2*s13*s24^2*z2)/(s12^2*s123*s124*z12) - (2*s13*s34*z2)/(s12*s123^2*z12) + 
   (2*s13*s34*z2)/(s12*s123*s124*z12) - (2*s13^2*s34*z2)/(s12^2*s123^2*z12) + 
   (2*s13*s14*s34*z2)/(s12^2*s123*s124*z12) - (2*s13*s23*s34*z2)/
    (s12^2*s123^2*z12) + (2*s13*s24*s34*z2)/(s12^2*s123*s124*z12) + 
   (2*s12*z3)/(s123^2*z12) - (2*s12*z3)/(s123*s124*z12) + 
   (4*s13*z3)/(s123^2*z12) - (2*s13*z3)/(s123*s124*z12) + 
   (2*s13^2*z3)/(s12*s123^2*z12) + (2*s14*z3)/(s123^2*z12) - 
   (4*s14*z3)/(s123*s124*z12) + (2*s13*s14*z3)/(s12*s123^2*z12) - 
   (2*s13*s14*z3)/(s12*s123*s124*z12) + (2*s14*z3)/(s123*s134*z12) - 
   (2*s14*z3)/(s124*s134*z12) + (2*s13*s14*z3)/(s12*s123*s134*z12) - 
   (2*s14^2*z3)/(s12*s123*s124*z12) - (2*s14^2*z3)/(s12*s124*s134*z12) + 
   (4*s23*z3)/(s123^2*z12) - (2*s23*z3)/(s123*s124*z12) + 
   (4*s13*s23*z3)/(s12*s123^2*z12) + (2*s14*s23*z3)/(s12*s123^2*z12) - 
   (2*s14*s23*z3)/(s12*s123*s124*z12) + (2*s14*s23*z3)/(s12*s123*s134*z12) + 
   (2*s23^2*z3)/(s12*s123^2*z12) + (2*s14*z3)/(s123*s234*z12) - 
   (2*s14*z3)/(s124*s234*z12) + (2*s13*s14*z3)/(s12*s123*s234*z12) - 
   (2*s14^2*z3)/(s12*s124*s234*z12) + (2*s14*s23*z3)/(s12*s123*s234*z12) + 
   (2*s24*z3)/(s123^2*z12) - (4*s24*z3)/(s123*s124*z12) + 
   (2*s13*s24*z3)/(s12*s123^2*z12) - (2*s13*s24*z3)/(s12*s123*s124*z12) - 
   (4*s14*s24*z3)/(s12*s123*s124*z12) - (2*s14*s24*z3)/(s12*s124*s134*z12) + 
   (2*s23*s24*z3)/(s12*s123^2*z12) - (2*s23*s24*z3)/(s12*s123*s124*z12) - 
   (2*s14*s24*z3)/(s12*s124*s234*z12) - (2*s24^2*z3)/(s12*s123*s124*z12) + 
   (2*s12*s14*z3)/(s123*s134*s34*z12) - (2*s12*s14*z3)/(s124*s134*s34*z12) + 
   (4*s13*s14*z3)/(s123*s134*s34*z12) - (2*s13*s14*z3)/(s124*s134*s34*z12) + 
   (2*s13^2*s14*z3)/(s12*s123*s134*s34*z12) + 
   (2*s14^2*z3)/(s123*s134*s34*z12) - (4*s14^2*z3)/(s124*s134*s34*z12) + 
   (2*s13*s14^2*z3)/(s12*s123*s134*s34*z12) - 
   (2*s13*s14^2*z3)/(s12*s124*s134*s34*z12) - 
   (2*s14^3*z3)/(s12*s124*s134*s34*z12) + (4*s14*s23*z3)/
    (s123*s134*s34*z12) - (2*s14*s23*z3)/(s124*s134*s34*z12) + 
   (4*s13*s14*s23*z3)/(s12*s123*s134*s34*z12) + 
   (2*s14^2*s23*z3)/(s12*s123*s134*s34*z12) - 
   (2*s14^2*s23*z3)/(s12*s124*s134*s34*z12) + 
   (2*s14*s23^2*z3)/(s12*s123*s134*s34*z12) + 
   (2*s12*s14*z3)/(s123*s234*s34*z12) - (2*s12*s14*z3)/(s124*s234*s34*z12) + 
   (4*s13*s14*z3)/(s123*s234*s34*z12) - (2*s13*s14*z3)/(s124*s234*s34*z12) + 
   (2*s13^2*s14*z3)/(s12*s123*s234*s34*z12) + 
   (2*s14^2*z3)/(s123*s234*s34*z12) - (4*s14^2*z3)/(s124*s234*s34*z12) + 
   (2*s13*s14^2*z3)/(s12*s123*s234*s34*z12) - 
   (2*s13*s14^2*z3)/(s12*s124*s234*s34*z12) - 
   (2*s14^3*z3)/(s12*s124*s234*s34*z12) + (4*s14*s23*z3)/
    (s123*s234*s34*z12) - (2*s14*s23*z3)/(s124*s234*s34*z12) + 
   (4*s13*s14*s23*z3)/(s12*s123*s234*s34*z12) + 
   (2*s14^2*s23*z3)/(s12*s123*s234*s34*z12) - 
   (2*s14^2*s23*z3)/(s12*s124*s234*s34*z12) + 
   (2*s14*s23^2*z3)/(s12*s123*s234*s34*z12) + 
   (2*s14*s24*z3)/(s123*s134*s34*z12) - (4*s14*s24*z3)/(s124*s134*s34*z12) + 
   (2*s13*s14*s24*z3)/(s12*s123*s134*s34*z12) - 
   (2*s13*s14*s24*z3)/(s12*s124*s134*s34*z12) - 
   (4*s14^2*s24*z3)/(s12*s124*s134*s34*z12) + (2*s14*s23*s24*z3)/
    (s12*s123*s134*s34*z12) - (2*s14*s23*s24*z3)/(s12*s124*s134*s34*z12) + 
   (2*s14*s24*z3)/(s123*s234*s34*z12) - (4*s14*s24*z3)/(s124*s234*s34*z12) + 
   (2*s13*s14*s24*z3)/(s12*s123*s234*s34*z12) - 
   (2*s13*s14*s24*z3)/(s12*s124*s234*s34*z12) - 
   (4*s14^2*s24*z3)/(s12*s124*s234*s34*z12) + (2*s14*s23*s24*z3)/
    (s12*s123*s234*s34*z12) - (2*s14*s23*s24*z3)/(s12*s124*s234*s34*z12) - 
   (2*s14*s24^2*z3)/(s12*s124*s134*s34*z12) - 
   (2*s14*s24^2*z3)/(s12*s124*s234*s34*z12) + (2*s34*z3)/(s123^2*z12) - 
   (2*s34*z3)/(s123*s124*z12) + (2*s13*s34*z3)/(s12*s123^2*z12) - 
   (2*s14*s34*z3)/(s12*s123*s124*z12) + (2*s23*s34*z3)/(s12*s123^2*z12) - 
   (2*s24*s34*z3)/(s12*s123*s124*z12) + (2*s12*z1)/(s134^2*z34) + 
   (4*s13*z1)/(s134^2*z34) + (4*s14*z1)/(s134^2*z34) + 
   (2*s23*z1)/(s134^2*z34) + (2*s23*z1)/(s123*s134*z34) + 
   (2*s23*z1)/(s124*s134*z34) + (4*s13*s23*z1)/(s12*s123*s134*z34) + 
   (4*s13*s23*z1)/(s12*s124*s134*z34) + (4*s14*s23*z1)/(s12*s123*s134*z34) + 
   (4*s14*s23*z1)/(s12*s124*s134*z34) + (2*s23^2*z1)/(s12*s123*s134*z34) + 
   (2*s23^2*z1)/(s12*s124*s134*z34) - (2*s12*z1)/(s134*s234*z34) - 
   (2*s13*z1)/(s134*s234*z34) - (2*s14*z1)/(s134*s234*z34) - 
   (2*s23*z1)/(s123*s234*z34) - (2*s23*z1)/(s124*s234*z34) - 
   (2*s13*s23*z1)/(s12*s123*s234*z34) - (2*s13*s23*z1)/(s12*s124*s234*z34) - 
   (4*s23*z1)/(s134*s234*z34) - (2*s14*s23*z1)/(s12*s123*s234*z34) - 
   (2*s14*s23*z1)/(s12*s124*s234*z34) - (4*s23^2*z1)/(s12*s123*s234*z34) - 
   (4*s23^2*z1)/(s12*s124*s234*z34) + (2*s24*z1)/(s134^2*z34) + 
   (2*s23*s24*z1)/(s12*s123*s134*z34) + (2*s23*s24*z1)/(s12*s124*s134*z34) - 
   (4*s24*z1)/(s134*s234*z34) - (4*s23*s24*z1)/(s12*s123*s234*z34) - 
   (4*s23*s24*z1)/(s12*s124*s234*z34) + (2*s12*s13*z1)/(s134^2*s34*z34) + 
   (2*s13^2*z1)/(s134^2*s34*z34) + (2*s12*s14*z1)/(s134^2*s34*z34) + 
   (4*s13*s14*z1)/(s134^2*s34*z34) + (2*s14^2*z1)/(s134^2*s34*z34) + 
   (2*s13*s23*z1)/(s134^2*s34*z34) + (2*s13*s23*z1)/(s123*s134*s34*z34) + 
   (2*s13*s23*z1)/(s124*s134*s34*z34) + (2*s13^2*s23*z1)/
    (s12*s123*s134*s34*z34) + (2*s13^2*s23*z1)/(s12*s124*s134*s34*z34) + 
   (2*s14*s23*z1)/(s134^2*s34*z34) + (2*s14*s23*z1)/(s123*s134*s34*z34) + 
   (2*s14*s23*z1)/(s124*s134*s34*z34) + (4*s13*s14*s23*z1)/
    (s12*s123*s134*s34*z34) + (4*s13*s14*s23*z1)/(s12*s124*s134*s34*z34) + 
   (2*s14^2*s23*z1)/(s12*s123*s134*s34*z34) + 
   (2*s14^2*s23*z1)/(s12*s124*s134*s34*z34) + 
   (2*s13*s23^2*z1)/(s12*s123*s134*s34*z34) + 
   (2*s13*s23^2*z1)/(s12*s124*s134*s34*z34) + 
   (2*s14*s23^2*z1)/(s12*s123*s134*s34*z34) + 
   (2*s14*s23^2*z1)/(s12*s124*s134*s34*z34) - 
   (2*s12*s23*z1)/(s134*s234*s34*z34) - (2*s13*s23*z1)/(s134*s234*s34*z34) - 
   (2*s14*s23*z1)/(s134*s234*s34*z34) - (2*s23^2*z1)/(s123*s234*s34*z34) - 
   (2*s23^2*z1)/(s124*s234*s34*z34) - (2*s13*s23^2*z1)/
    (s12*s123*s234*s34*z34) - (2*s13*s23^2*z1)/(s12*s124*s234*s34*z34) - 
   (2*s23^2*z1)/(s134*s234*s34*z34) - (2*s14*s23^2*z1)/
    (s12*s123*s234*s34*z34) - (2*s14*s23^2*z1)/(s12*s124*s234*s34*z34) - 
   (2*s23^3*z1)/(s12*s123*s234*s34*z34) - 
   (2*s23^3*z1)/(s12*s124*s234*s34*z34) + (2*s13*s24*z1)/(s134^2*s34*z34) + 
   (2*s14*s24*z1)/(s134^2*s34*z34) + (2*s13*s23*s24*z1)/
    (s12*s123*s134*s34*z34) + (2*s13*s23*s24*z1)/(s12*s124*s134*s34*z34) + 
   (2*s14*s23*s24*z1)/(s12*s123*s134*s34*z34) + 
   (2*s14*s23*s24*z1)/(s12*s124*s134*s34*z34) - 
   (2*s12*s24*z1)/(s134*s234*s34*z34) - (2*s13*s24*z1)/(s134*s234*s34*z34) - 
   (2*s14*s24*z1)/(s134*s234*s34*z34) - (2*s23*s24*z1)/(s123*s234*s34*z34) - 
   (2*s23*s24*z1)/(s124*s234*s34*z34) - (2*s13*s23*s24*z1)/
    (s12*s123*s234*s34*z34) - (2*s13*s23*s24*z1)/(s12*s124*s234*s34*z34) - 
   (4*s23*s24*z1)/(s134*s234*s34*z34) - (2*s14*s23*s24*z1)/
    (s12*s123*s234*s34*z34) - (2*s14*s23*s24*z1)/(s12*s124*s234*s34*z34) - 
   (4*s23^2*s24*z1)/(s12*s123*s234*s34*z34) - 
   (4*s23^2*s24*z1)/(s12*s124*s234*s34*z34) - 
   (2*s24^2*z1)/(s134*s234*s34*z34) - (2*s23*s24^2*z1)/
    (s12*s123*s234*s34*z34) - (2*s23*s24^2*z1)/(s12*s124*s234*s34*z34) + 
   (2*s34*z1)/(s134^2*z34) + (2*s23*s34*z1)/(s12*s123*s134*z34) + 
   (2*s23*s34*z1)/(s12*s124*s134*z34) - (2*s34*z1)/(s134*s234*z34) - 
   (2*s23*s34*z1)/(s12*s123*s234*z34) - (2*s23*s34*z1)/(s12*s124*s234*z34) - 
   (2*s13*z2)/(s123*s134*z34) - (2*s13*z2)/(s124*s134*z34) - 
   (4*s13^2*z2)/(s12*s123*s134*z34) - (4*s13^2*z2)/(s12*s124*s134*z34) - 
   (4*s13*s14*z2)/(s12*s123*s134*z34) - (4*s13*s14*z2)/(s12*s124*s134*z34) - 
   (2*s13*s23*z2)/(s12*s123*s134*z34) - (2*s13*s23*z2)/(s12*s124*s134*z34) + 
   (2*s13*z2)/(s123*s234*z34) + (2*s13*z2)/(s124*s234*z34) + 
   (2*s13^2*z2)/(s12*s123*s234*z34) + (2*s13^2*z2)/(s12*s124*s234*z34) + 
   (2*s13*s14*z2)/(s12*s123*s234*z34) + (2*s13*s14*z2)/(s12*s124*s234*z34) + 
   (4*s13*s23*z2)/(s12*s123*s234*z34) + (4*s13*s23*z2)/(s12*s124*s234*z34) - 
   (2*s13*s24*z2)/(s12*s123*s134*z34) - (2*s13*s24*z2)/(s12*s124*s134*z34) + 
   (4*s13*s24*z2)/(s12*s123*s234*z34) + (4*s13*s24*z2)/(s12*s124*s234*z34) - 
   (2*s13^2*z2)/(s123*s134*s34*z34) - (2*s13^2*z2)/(s124*s134*s34*z34) - 
   (2*s13^3*z2)/(s12*s123*s134*s34*z34) - 
   (2*s13^3*z2)/(s12*s124*s134*s34*z34) - (2*s13*s14*z2)/
    (s123*s134*s34*z34) - (2*s13*s14*z2)/(s124*s134*s34*z34) - 
   (4*s13^2*s14*z2)/(s12*s123*s134*s34*z34) - 
   (4*s13^2*s14*z2)/(s12*s124*s134*s34*z34) - 
   (2*s13*s14^2*z2)/(s12*s123*s134*s34*z34) - 
   (2*s13*s14^2*z2)/(s12*s124*s134*s34*z34) - 
   (2*s13^2*s23*z2)/(s12*s123*s134*s34*z34) - 
   (2*s13^2*s23*z2)/(s12*s124*s134*s34*z34) - (2*s13*s14*s23*z2)/
    (s12*s123*s134*s34*z34) - (2*s13*s14*s23*z2)/(s12*s124*s134*s34*z34) + 
   (2*s13*s23*z2)/(s123*s234*s34*z34) + (2*s13*s23*z2)/(s124*s234*s34*z34) + 
   (2*s13^2*s23*z2)/(s12*s123*s234*s34*z34) + 
   (2*s13^2*s23*z2)/(s12*s124*s234*s34*z34) + (2*s13*s14*s23*z2)/
    (s12*s123*s234*s34*z34) + (2*s13*s14*s23*z2)/(s12*s124*s234*s34*z34) + 
   (2*s13*s23^2*z2)/(s12*s123*s234*s34*z34) + 
   (2*s13*s23^2*z2)/(s12*s124*s234*s34*z34) - 
   (2*s13^2*s24*z2)/(s12*s123*s134*s34*z34) - 
   (2*s13^2*s24*z2)/(s12*s124*s134*s34*z34) - (2*s13*s14*s24*z2)/
    (s12*s123*s134*s34*z34) - (2*s13*s14*s24*z2)/(s12*s124*s134*s34*z34) + 
   (2*s13*s24*z2)/(s123*s234*s34*z34) + (2*s13*s24*z2)/(s124*s234*s34*z34) + 
   (2*s13^2*s24*z2)/(s12*s123*s234*s34*z34) + 
   (2*s13^2*s24*z2)/(s12*s124*s234*s34*z34) + (2*s13*s14*s24*z2)/
    (s12*s123*s234*s34*z34) + (2*s13*s14*s24*z2)/(s12*s124*s234*s34*z34) + 
   (4*s13*s23*s24*z2)/(s12*s123*s234*s34*z34) + 
   (4*s13*s23*s24*z2)/(s12*s124*s234*s34*z34) + 
   (2*s13*s24^2*z2)/(s12*s123*s234*s34*z34) + 
   (2*s13*s24^2*z2)/(s12*s124*s234*s34*z34) - 
   (2*s13*s34*z2)/(s12*s123*s134*z34) - (2*s13*s34*z2)/(s12*s124*s134*z34) + 
   (2*s13*s34*z2)/(s12*s123*s234*z34) + (2*s13*s34*z2)/(s12*s124*s234*z34) + 
   (2*s13*z3)/(s134^2*z34) + (2*s12*z3)/(s123*s134*z34) - 
   (2*s12*z3)/(s124*s134*z34) - (4*s13*z3)/(s124*s134*z34) - 
   (8*s13^2*z3)/(s12*s123*s134*z34) + (4*s14*z3)/(s123*s134*z34) - 
   (8*s13*s14*z3)/(s12*s123*s134*z34) + (8*s13*s14*z3)/(s12*s124*s134*z34) + 
   (8*s14^2*z3)/(s12*s124*s134*z34) + (2*s23*z3)/(s123*s134*z34) - 
   (2*s23*z3)/(s124*s134*z34) - (4*s13*s23*z3)/(s12*s123*s134*z34) + 
   (4*s14*s23*z3)/(s12*s124*s134*z34) - (2*s12*z3)/(s123*s234*z34) + 
   (2*s12*z3)/(s124*s234*z34) + (2*s13*z3)/(s123*s234*z34) + 
   (2*s13*z3)/(s124*s234*z34) + (4*s13^2*z3)/(s12*s123*s234*z34) - 
   (2*s13*z3)/(s134*s234*z34) - (2*s14*z3)/(s123*s234*z34) - 
   (2*s14*z3)/(s124*s234*z34) + (4*s13*s14*z3)/(s12*s123*s234*z34) - 
   (4*s13*s14*z3)/(s12*s124*s234*z34) - (4*s14^2*z3)/(s12*s124*s234*z34) - 
   (4*s23*z3)/(s123*s234*z34) + (4*s23*z3)/(s124*s234*z34) + 
   (8*s13*s23*z3)/(s12*s123*s234*z34) - (8*s14*s23*z3)/(s12*s124*s234*z34) + 
   (2*s24*z3)/(s123*s134*z34) - (2*s24*z3)/(s124*s134*z34) - 
   (4*s13*s24*z3)/(s12*s123*s134*z34) + (4*s14*s24*z3)/(s12*s124*s134*z34) - 
   (4*s24*z3)/(s123*s234*z34) + (4*s24*z3)/(s124*s234*z34) + 
   (8*s13*s24*z3)/(s12*s123*s234*z34) - (8*s14*s24*z3)/(s12*s124*s234*z34) + 
   (2*s12*s13^2*z3)/(s134^2*s34^2*z34) + (2*s13^3*z3)/(s134^2*s34^2*z34) + 
   (2*s12*s13*s14*z3)/(s134^2*s34^2*z34) + (4*s13^2*s14*z3)/
    (s134^2*s34^2*z34) + (2*s13*s14^2*z3)/(s134^2*s34^2*z34) + 
   (2*s13^2*s23*z3)/(s134^2*s34^2*z34) + (2*s13*s14*s23*z3)/
    (s134^2*s34^2*z34) - (2*s12*s13*s23*z3)/(s134*s234*s34^2*z34) - 
   (2*s13^2*s23*z3)/(s134*s234*s34^2*z34) - (2*s13*s14*s23*z3)/
    (s134*s234*s34^2*z34) - (2*s13*s23^2*z3)/(s134*s234*s34^2*z34) + 
   (2*s13^2*s24*z3)/(s134^2*s34^2*z34) + (2*s13*s14*s24*z3)/
    (s134^2*s34^2*z34) - (2*s12*s13*s24*z3)/(s134*s234*s34^2*z34) - 
   (2*s13^2*s24*z3)/(s134*s234*s34^2*z34) - (2*s13*s14*s24*z3)/
    (s134*s234*s34^2*z34) - (4*s13*s23*s24*z3)/(s134*s234*s34^2*z34) - 
   (2*s13*s24^2*z3)/(s134*s234*s34^2*z34) + (2*s12*s13*z3)/(s134^2*s34*z34) + 
   (4*s13^2*z3)/(s134^2*s34*z34) + (2*s12*s13*z3)/(s123*s134*s34*z34) - 
   (2*s12*s13*z3)/(s124*s134*s34*z34) - (2*s13^2*z3)/(s123*s134*s34*z34) - 
   (2*s13^2*z3)/(s124*s134*s34*z34) - (4*s13^3*z3)/(s12*s123*s134*s34*z34) + 
   (4*s13*s14*z3)/(s134^2*s34*z34) + (2*s12*s14*z3)/(s123*s134*s34*z34) - 
   (2*s12*s14*z3)/(s124*s134*s34*z34) - (8*s13^2*s14*z3)/
    (s12*s123*s134*s34*z34) + (4*s13^2*s14*z3)/(s12*s124*s134*s34*z34) + 
   (2*s14^2*z3)/(s123*s134*s34*z34) + (2*s14^2*z3)/(s124*s134*s34*z34) - 
   (4*s13*s14^2*z3)/(s12*s123*s134*s34*z34) + 
   (8*s13*s14^2*z3)/(s12*s124*s134*s34*z34) + 
   (4*s14^3*z3)/(s12*s124*s134*s34*z34) + (2*s13*s23*z3)/(s134^2*s34*z34) + 
   (2*s13*s23*z3)/(s123*s134*s34*z34) - (2*s13*s23*z3)/(s124*s134*s34*z34) - 
   (4*s13^2*s23*z3)/(s12*s123*s134*s34*z34) + 
   (2*s14*s23*z3)/(s123*s134*s34*z34) - (2*s14*s23*z3)/(s124*s134*s34*z34) - 
   (4*s13*s14*s23*z3)/(s12*s123*s134*s34*z34) + 
   (4*s13*s14*s23*z3)/(s12*s124*s134*s34*z34) + 
   (4*s14^2*s23*z3)/(s12*s124*s134*s34*z34) - 
   (2*s12*s13*z3)/(s134*s234*s34*z34) - (2*s13^2*z3)/(s134*s234*s34*z34) - 
   (2*s13*s14*z3)/(s134*s234*s34*z34) - (2*s12*s23*z3)/(s123*s234*s34*z34) + 
   (2*s12*s23*z3)/(s124*s234*s34*z34) + (2*s13*s23*z3)/(s123*s234*s34*z34) + 
   (2*s13*s23*z3)/(s124*s234*s34*z34) + (4*s13^2*s23*z3)/
    (s12*s123*s234*s34*z34) - (4*s13*s23*z3)/(s134*s234*s34*z34) - 
   (2*s14*s23*z3)/(s123*s234*s34*z34) - (2*s14*s23*z3)/(s124*s234*s34*z34) + 
   (4*s13*s14*s23*z3)/(s12*s123*s234*s34*z34) - 
   (4*s13*s14*s23*z3)/(s12*s124*s234*s34*z34) - 
   (4*s14^2*s23*z3)/(s12*s124*s234*s34*z34) - 
   (2*s23^2*z3)/(s123*s234*s34*z34) + (2*s23^2*z3)/(s124*s234*s34*z34) + 
   (4*s13*s23^2*z3)/(s12*s123*s234*s34*z34) - 
   (4*s14*s23^2*z3)/(s12*s124*s234*s34*z34) + 
   (2*s13*s24*z3)/(s134^2*s34*z34) + (2*s13*s24*z3)/(s123*s134*s34*z34) - 
   (2*s13*s24*z3)/(s124*s134*s34*z34) - (4*s13^2*s24*z3)/
    (s12*s123*s134*s34*z34) + (2*s14*s24*z3)/(s123*s134*s34*z34) - 
   (2*s14*s24*z3)/(s124*s134*s34*z34) - (4*s13*s14*s24*z3)/
    (s12*s123*s134*s34*z34) + (4*s13*s14*s24*z3)/(s12*s124*s134*s34*z34) + 
   (4*s14^2*s24*z3)/(s12*s124*s134*s34*z34) - 
   (2*s12*s24*z3)/(s123*s234*s34*z34) + (2*s12*s24*z3)/(s124*s234*s34*z34) + 
   (2*s13*s24*z3)/(s123*s234*s34*z34) + (2*s13*s24*z3)/(s124*s234*s34*z34) + 
   (4*s13^2*s24*z3)/(s12*s123*s234*s34*z34) - 
   (4*s13*s24*z3)/(s134*s234*s34*z34) - (2*s14*s24*z3)/(s123*s234*s34*z34) - 
   (2*s14*s24*z3)/(s124*s234*s34*z34) + (4*s13*s14*s24*z3)/
    (s12*s123*s234*s34*z34) - (4*s13*s14*s24*z3)/(s12*s124*s234*s34*z34) - 
   (4*s14^2*s24*z3)/(s12*s124*s234*s34*z34) - 
   (4*s23*s24*z3)/(s123*s234*s34*z34) + (4*s23*s24*z3)/(s124*s234*s34*z34) + 
   (8*s13*s23*s24*z3)/(s12*s123*s234*s34*z34) - 
   (8*s14*s23*s24*z3)/(s12*s124*s234*s34*z34) - 
   (2*s24^2*z3)/(s123*s234*s34*z34) + (2*s24^2*z3)/(s124*s234*s34*z34) + 
   (4*s13*s24^2*z3)/(s12*s123*s234*s34*z34) - 
   (4*s14*s24^2*z3)/(s12*s124*s234*s34*z34) + (2*s34*z3)/(s123*s134*z34) - 
   (2*s34*z3)/(s124*s134*z34) - (4*s13*s34*z3)/(s12*s123*s134*z34) + 
   (4*s14*s34*z3)/(s12*s124*s134*z34) - (2*s34*z3)/(s123*s234*z34) + 
   (2*s34*z3)/(s124*s234*z34) + (4*s13*s34*z3)/(s12*s123*s234*z34) - 
   (4*s14*s34*z3)/(s12*s124*s234*z34) + (4*s12*z1*z3)/(s123*s134*z12*z34) - 
   (4*s12*z1*z3)/(s124*s134*z12*z34) + (12*s13*z1*z3)/(s123*s134*z12*z34) - 
   (8*s13*z1*z3)/(s124*s134*z12*z34) + (8*s13^2*z1*z3)/
    (s12*s123*s134*z12*z34) + (8*s14*z1*z3)/(s123*s134*z12*z34) - 
   (12*s14*z1*z3)/(s124*s134*z12*z34) + (8*s13*s14*z1*z3)/
    (s12*s123*s134*z12*z34) - (8*s13*s14*z1*z3)/(s12*s124*s134*z12*z34) - 
   (8*s14^2*z1*z3)/(s12*s124*s134*z12*z34) + 
   (8*s23*z1*z3)/(s123*s134*z12*z34) - (4*s23*z1*z3)/(s124*s134*z12*z34) + 
   (12*s13*s23*z1*z3)/(s12*s123*s134*z12*z34) + 
   (8*s14*s23*z1*z3)/(s12*s123*s134*z12*z34) - 
   (4*s14*s23*z1*z3)/(s12*s124*s134*z12*z34) + 
   (4*s23^2*z1*z3)/(s12*s123*s134*z12*z34) - 
   (4*s12*z1*z3)/(s123*s234*z12*z34) + (4*s12*z1*z3)/(s124*s234*z12*z34) - 
   (8*s13*z1*z3)/(s123*s234*z12*z34) + (4*s13*z1*z3)/(s124*s234*z12*z34) - 
   (4*s13^2*z1*z3)/(s12*s123*s234*z12*z34) - 
   (4*s14*z1*z3)/(s123*s234*z12*z34) + (8*s14*z1*z3)/(s124*s234*z12*z34) - 
   (4*s13*s14*z1*z3)/(s12*s123*s234*z12*z34) + 
   (4*s13*s14*z1*z3)/(s12*s124*s234*z12*z34) + 
   (4*s14^2*z1*z3)/(s12*s124*s234*z12*z34) - 
   (12*s23*z1*z3)/(s123*s234*z12*z34) + (8*s23*z1*z3)/(s124*s234*z12*z34) - 
   (12*s13*s23*z1*z3)/(s12*s123*s234*z12*z34) - 
   (4*s14*s23*z1*z3)/(s12*s123*s234*z12*z34) + 
   (8*s14*s23*z1*z3)/(s12*s124*s234*z12*z34) - 
   (8*s23^2*z1*z3)/(s12*s123*s234*z12*z34) + 
   (4*s24*z1*z3)/(s123*s134*z12*z34) - (8*s24*z1*z3)/(s124*s134*z12*z34) + 
   (4*s13*s24*z1*z3)/(s12*s123*s134*z12*z34) - 
   (8*s13*s24*z1*z3)/(s12*s124*s134*z12*z34) - 
   (12*s14*s24*z1*z3)/(s12*s124*s134*z12*z34) + 
   (4*s23*s24*z1*z3)/(s12*s123*s134*z12*z34) - 
   (4*s23*s24*z1*z3)/(s12*s124*s134*z12*z34) - 
   (8*s24*z1*z3)/(s123*s234*z12*z34) + (12*s24*z1*z3)/(s124*s234*z12*z34) - 
   (8*s13*s24*z1*z3)/(s12*s123*s234*z12*z34) + 
   (4*s13*s24*z1*z3)/(s12*s124*s234*z12*z34) + 
   (12*s14*s24*z1*z3)/(s12*s124*s234*z12*z34) - 
   (8*s23*s24*z1*z3)/(s12*s123*s234*z12*z34) + 
   (8*s23*s24*z1*z3)/(s12*s124*s234*z12*z34) - 
   (4*s24^2*z1*z3)/(s12*s124*s134*z12*z34) + 
   (8*s24^2*z1*z3)/(s12*s124*s234*z12*z34) + (4*s12*s13*z1*z3)/
    (s123*s134*s34*z12*z34) - (4*s12*s13*z1*z3)/(s124*s134*s34*z12*z34) + 
   (8*s13^2*z1*z3)/(s123*s134*s34*z12*z34) - 
   (4*s13^2*z1*z3)/(s124*s134*s34*z12*z34) + 
   (4*s13^3*z1*z3)/(s12*s123*s134*s34*z12*z34) + 
   (4*s12*s14*z1*z3)/(s123*s134*s34*z12*z34) - 
   (4*s12*s14*z1*z3)/(s124*s134*s34*z12*z34) + 
   (12*s13*s14*z1*z3)/(s123*s134*s34*z12*z34) - 
   (12*s13*s14*z1*z3)/(s124*s134*s34*z12*z34) + 
   (8*s13^2*s14*z1*z3)/(s12*s123*s134*s34*z12*z34) - 
   (4*s13^2*s14*z1*z3)/(s12*s124*s134*s34*z12*z34) + 
   (4*s14^2*z1*z3)/(s123*s134*s34*z12*z34) - 
   (8*s14^2*z1*z3)/(s124*s134*s34*z12*z34) + (4*s13*s14^2*z1*z3)/
    (s12*s123*s134*s34*z12*z34) - (8*s13*s14^2*z1*z3)/
    (s12*s124*s134*s34*z12*z34) - (4*s14^3*z1*z3)/(s12*s124*s134*s34*z12*
     z34) + (8*s13*s23*z1*z3)/(s123*s134*s34*z12*z34) - 
   (4*s13*s23*z1*z3)/(s124*s134*s34*z12*z34) + (8*s13^2*s23*z1*z3)/
    (s12*s123*s134*s34*z12*z34) + (8*s14*s23*z1*z3)/(s123*s134*s34*z12*z34) - 
   (4*s14*s23*z1*z3)/(s124*s134*s34*z12*z34) + (12*s13*s14*s23*z1*z3)/
    (s12*s123*s134*s34*z12*z34) - (4*s13*s14*s23*z1*z3)/
    (s12*s124*s134*s34*z12*z34) + (4*s14^2*s23*z1*z3)/
    (s12*s123*s134*s34*z12*z34) - (4*s14^2*s23*z1*z3)/
    (s12*s124*s134*s34*z12*z34) + (4*s13*s23^2*z1*z3)/
    (s12*s123*s134*s34*z12*z34) + (4*s14*s23^2*z1*z3)/
    (s12*s123*s134*s34*z12*z34) - (4*s12*s23*z1*z3)/(s123*s234*s34*z12*z34) + 
   (4*s12*s23*z1*z3)/(s124*s234*s34*z12*z34) - 
   (8*s13*s23*z1*z3)/(s123*s234*s34*z12*z34) + 
   (4*s13*s23*z1*z3)/(s124*s234*s34*z12*z34) - (4*s13^2*s23*z1*z3)/
    (s12*s123*s234*s34*z12*z34) - (4*s14*s23*z1*z3)/(s123*s234*s34*z12*z34) + 
   (8*s14*s23*z1*z3)/(s124*s234*s34*z12*z34) - (4*s13*s14*s23*z1*z3)/
    (s12*s123*s234*s34*z12*z34) + (4*s13*s14*s23*z1*z3)/
    (s12*s124*s234*s34*z12*z34) + (4*s14^2*s23*z1*z3)/
    (s12*s124*s234*s34*z12*z34) - (8*s23^2*z1*z3)/(s123*s234*s34*z12*z34) + 
   (4*s23^2*z1*z3)/(s124*s234*s34*z12*z34) - (8*s13*s23^2*z1*z3)/
    (s12*s123*s234*s34*z12*z34) - (4*s14*s23^2*z1*z3)/
    (s12*s123*s234*s34*z12*z34) + (4*s14*s23^2*z1*z3)/
    (s12*s124*s234*s34*z12*z34) - (4*s23^3*z1*z3)/(s12*s123*s234*s34*z12*
     z34) + (4*s13*s24*z1*z3)/(s123*s134*s34*z12*z34) - 
   (8*s13*s24*z1*z3)/(s124*s134*s34*z12*z34) + (4*s13^2*s24*z1*z3)/
    (s12*s123*s134*s34*z12*z34) - (4*s13^2*s24*z1*z3)/
    (s12*s124*s134*s34*z12*z34) + (4*s14*s24*z1*z3)/(s123*s134*s34*z12*z34) - 
   (8*s14*s24*z1*z3)/(s124*s134*s34*z12*z34) + (4*s13*s14*s24*z1*z3)/
    (s12*s123*s134*s34*z12*z34) - (12*s13*s14*s24*z1*z3)/
    (s12*s124*s134*s34*z12*z34) - (8*s14^2*s24*z1*z3)/
    (s12*s124*s134*s34*z12*z34) + (4*s13*s23*s24*z1*z3)/
    (s12*s123*s134*s34*z12*z34) - (4*s13*s23*s24*z1*z3)/
    (s12*s124*s134*s34*z12*z34) + (4*s14*s23*s24*z1*z3)/
    (s12*s123*s134*s34*z12*z34) - (4*s14*s23*s24*z1*z3)/
    (s12*s124*s134*s34*z12*z34) - (4*s12*s24*z1*z3)/(s123*s234*s34*z12*z34) + 
   (4*s12*s24*z1*z3)/(s124*s234*s34*z12*z34) - 
   (8*s13*s24*z1*z3)/(s123*s234*s34*z12*z34) + 
   (4*s13*s24*z1*z3)/(s124*s234*s34*z12*z34) - (4*s13^2*s24*z1*z3)/
    (s12*s123*s234*s34*z12*z34) - (4*s14*s24*z1*z3)/(s123*s234*s34*z12*z34) + 
   (8*s14*s24*z1*z3)/(s124*s234*s34*z12*z34) - (4*s13*s14*s24*z1*z3)/
    (s12*s123*s234*s34*z12*z34) + (4*s13*s14*s24*z1*z3)/
    (s12*s124*s234*s34*z12*z34) + (4*s14^2*s24*z1*z3)/
    (s12*s124*s234*s34*z12*z34) - (12*s23*s24*z1*z3)/
    (s123*s234*s34*z12*z34) + (12*s23*s24*z1*z3)/(s124*s234*s34*z12*z34) - 
   (12*s13*s23*s24*z1*z3)/(s12*s123*s234*s34*z12*z34) + 
   (4*s13*s23*s24*z1*z3)/(s12*s124*s234*s34*z12*z34) - 
   (4*s14*s23*s24*z1*z3)/(s12*s123*s234*s34*z12*z34) + 
   (12*s14*s23*s24*z1*z3)/(s12*s124*s234*s34*z12*z34) - 
   (8*s23^2*s24*z1*z3)/(s12*s123*s234*s34*z12*z34) + 
   (4*s23^2*s24*z1*z3)/(s12*s124*s234*s34*z12*z34) - 
   (4*s13*s24^2*z1*z3)/(s12*s124*s134*s34*z12*z34) - 
   (4*s14*s24^2*z1*z3)/(s12*s124*s134*s34*z12*z34) - 
   (4*s24^2*z1*z3)/(s123*s234*s34*z12*z34) + 
   (8*s24^2*z1*z3)/(s124*s234*s34*z12*z34) - (4*s13*s24^2*z1*z3)/
    (s12*s123*s234*s34*z12*z34) + (4*s13*s24^2*z1*z3)/
    (s12*s124*s234*s34*z12*z34) + (8*s14*s24^2*z1*z3)/
    (s12*s124*s234*s34*z12*z34) - (4*s23*s24^2*z1*z3)/
    (s12*s123*s234*s34*z12*z34) + (8*s23*s24^2*z1*z3)/
    (s12*s124*s234*s34*z12*z34) + (4*s24^3*z1*z3)/(s12*s124*s234*s34*z12*
     z34) + (4*s34*z1*z3)/(s123*s134*z12*z34) - 
   (4*s34*z1*z3)/(s124*s134*z12*z34) + (4*s13*s34*z1*z3)/
    (s12*s123*s134*z12*z34) - (4*s14*s34*z1*z3)/(s12*s124*s134*z12*z34) + 
   (4*s23*s34*z1*z3)/(s12*s123*s134*z12*z34) - 
   (4*s34*z1*z3)/(s123*s234*z12*z34) + (4*s34*z1*z3)/(s124*s234*z12*z34) - 
   (4*s13*s34*z1*z3)/(s12*s123*s234*z12*z34) + 
   (4*s14*s34*z1*z3)/(s12*s124*s234*z12*z34) - 
   (4*s23*s34*z1*z3)/(s12*s123*s234*z12*z34) - 
   (4*s24*s34*z1*z3)/(s12*s124*s134*z12*z34) + 
   (4*s24*s34*z1*z3)/(s12*s124*s234*z12*z34) - (2*s13*z4)/(s123*s134*z12) + 
   (2*s13*z4)/(s124*s134*z12) - (2*s13^2*z4)/(s12*s123*s134*z12) + 
   (2*s13*s14*z4)/(s12*s124*s134*z12) - (2*s13*s23*z4)/(s12*s123*s134*z12) - 
   (2*s13*z4)/(s123*s234*z12) + (2*s13*z4)/(s124*s234*z12) - 
   (2*s13^2*z4)/(s12*s123*s234*z12) + (2*s13*s14*z4)/(s12*s124*s234*z12) - 
   (2*s13*s23*z4)/(s12*s123*s234*z12) + (2*s13*s24*z4)/(s12*s124*s134*z12) + 
   (2*s13*s24*z4)/(s12*s124*s234*z12) - (2*s12*s13*z4)/(s123*s134*s34*z12) + 
   (2*s12*s13*z4)/(s124*s134*s34*z12) - (4*s13^2*z4)/(s123*s134*s34*z12) + 
   (2*s13^2*z4)/(s124*s134*s34*z12) - (2*s13^3*z4)/(s12*s123*s134*s34*z12) - 
   (2*s13*s14*z4)/(s123*s134*s34*z12) + (4*s13*s14*z4)/(s124*s134*s34*z12) - 
   (2*s13^2*s14*z4)/(s12*s123*s134*s34*z12) + 
   (2*s13^2*s14*z4)/(s12*s124*s134*s34*z12) + 
   (2*s13*s14^2*z4)/(s12*s124*s134*s34*z12) - 
   (4*s13*s23*z4)/(s123*s134*s34*z12) + (2*s13*s23*z4)/(s124*s134*s34*z12) - 
   (4*s13^2*s23*z4)/(s12*s123*s134*s34*z12) - (2*s13*s14*s23*z4)/
    (s12*s123*s134*s34*z12) + (2*s13*s14*s23*z4)/(s12*s124*s134*s34*z12) - 
   (2*s13*s23^2*z4)/(s12*s123*s134*s34*z12) - 
   (2*s12*s13*z4)/(s123*s234*s34*z12) + (2*s12*s13*z4)/(s124*s234*s34*z12) - 
   (4*s13^2*z4)/(s123*s234*s34*z12) + (2*s13^2*z4)/(s124*s234*s34*z12) - 
   (2*s13^3*z4)/(s12*s123*s234*s34*z12) - (2*s13*s14*z4)/
    (s123*s234*s34*z12) + (4*s13*s14*z4)/(s124*s234*s34*z12) - 
   (2*s13^2*s14*z4)/(s12*s123*s234*s34*z12) + 
   (2*s13^2*s14*z4)/(s12*s124*s234*s34*z12) + 
   (2*s13*s14^2*z4)/(s12*s124*s234*s34*z12) - 
   (4*s13*s23*z4)/(s123*s234*s34*z12) + (2*s13*s23*z4)/(s124*s234*s34*z12) - 
   (4*s13^2*s23*z4)/(s12*s123*s234*s34*z12) - (2*s13*s14*s23*z4)/
    (s12*s123*s234*s34*z12) + (2*s13*s14*s23*z4)/(s12*s124*s234*s34*z12) - 
   (2*s13*s23^2*z4)/(s12*s123*s234*s34*z12) - 
   (2*s13*s24*z4)/(s123*s134*s34*z12) + (4*s13*s24*z4)/(s124*s134*s34*z12) - 
   (2*s13^2*s24*z4)/(s12*s123*s134*s34*z12) + 
   (2*s13^2*s24*z4)/(s12*s124*s134*s34*z12) + (4*s13*s14*s24*z4)/
    (s12*s124*s134*s34*z12) - (2*s13*s23*s24*z4)/(s12*s123*s134*s34*z12) + 
   (2*s13*s23*s24*z4)/(s12*s124*s134*s34*z12) - 
   (2*s13*s24*z4)/(s123*s234*s34*z12) + (4*s13*s24*z4)/(s124*s234*s34*z12) - 
   (2*s13^2*s24*z4)/(s12*s123*s234*s34*z12) + 
   (2*s13^2*s24*z4)/(s12*s124*s234*s34*z12) + (4*s13*s14*s24*z4)/
    (s12*s124*s234*s34*z12) - (2*s13*s23*s24*z4)/(s12*s123*s234*s34*z12) + 
   (2*s13*s23*s24*z4)/(s12*s124*s234*s34*z12) + 
   (2*s13*s24^2*z4)/(s12*s124*s134*s34*z12) + 
   (2*s13*s24^2*z4)/(s12*s124*s234*s34*z12) - (2*s13*z4)/(s134^2*z34) + 
   (2*s13*z4)/(s134*s234*z34) - (2*s12*s13^2*z4)/(s134^2*s34^2*z34) - 
   (2*s13^3*z4)/(s134^2*s34^2*z34) - (2*s12*s13*s14*z4)/(s134^2*s34^2*z34) - 
   (4*s13^2*s14*z4)/(s134^2*s34^2*z34) - (2*s13*s14^2*z4)/
    (s134^2*s34^2*z34) - (2*s13^2*s23*z4)/(s134^2*s34^2*z34) - 
   (2*s13*s14*s23*z4)/(s134^2*s34^2*z34) + (2*s12*s13*s23*z4)/
    (s134*s234*s34^2*z34) + (2*s13^2*s23*z4)/(s134*s234*s34^2*z34) + 
   (2*s13*s14*s23*z4)/(s134*s234*s34^2*z34) + 
   (2*s13*s23^2*z4)/(s134*s234*s34^2*z34) - (2*s13^2*s24*z4)/
    (s134^2*s34^2*z34) - (2*s13*s14*s24*z4)/(s134^2*s34^2*z34) + 
   (2*s12*s13*s24*z4)/(s134*s234*s34^2*z34) + 
   (2*s13^2*s24*z4)/(s134*s234*s34^2*z34) + (2*s13*s14*s24*z4)/
    (s134*s234*s34^2*z34) + (4*s13*s23*s24*z4)/(s134*s234*s34^2*z34) + 
   (2*s13*s24^2*z4)/(s134*s234*s34^2*z34) - (2*s12*s13*z4)/(s134^2*s34*z34) - 
   (4*s13^2*z4)/(s134^2*s34*z34) - (4*s13*s14*z4)/(s134^2*s34*z34) - 
   (2*s13*s23*z4)/(s134^2*s34*z34) + (2*s12*s13*z4)/(s134*s234*s34*z34) + 
   (2*s13^2*z4)/(s134*s234*s34*z34) + (2*s13*s14*z4)/(s134*s234*s34*z34) + 
   (4*s13*s23*z4)/(s134*s234*s34*z34) - (2*s13*s24*z4)/(s134^2*s34*z34) + 
   (4*s13*s24*z4)/(s134*s234*s34*z34)) + 
 k4k2*((-4*s13)/s123^2 + (D*s13)/s123^2 - (6*s13)/(s123*s124) + 
   (D*s13)/(s123*s124) - (6*s13^2)/(s12*s123^2) + (D*s13^2)/(s12*s123^2) - 
   (6*s13^2)/(s12*s123*s124) + (D*s13^2)/(s12*s123*s124) - 
   (2*s13^3)/(s12^2*s123^2) - (4*s13)/s134^2 + (D*s13)/s134^2 + 
   (D*s12)/(s123*s134) + (4*s12)/(s124*s134) - (D*s12)/(s124*s134) + 
   (D*s13)/(s123*s134) + (8*s13)/(s124*s134) - (D*s13)/(s124*s134) + 
   (4*s13^2)/(s12*s123*s134) + (D*s13^2)/(s12*s123*s134) - 
   (4*s13^2)/(s12*s124*s134) + (D*s13^2)/(s12*s124*s134) - 
   (4*s13*s14)/(s12*s123^2) + (D*s13*s14)/(s12*s123^2) - 
   (4*s13*s14)/(s12*s123*s124) + (D*s13*s14)/(s12*s123*s124) - 
   (2*s13^2*s14)/(s12^2*s123^2) + (2*s13^2*s14)/(s12^2*s123*s124) - 
   (2*s14)/s134^2 + (D*s14)/s134^2 + (D*s14)/(s123*s134) + 
   (8*s14)/(s124*s134) - (D*s14)/(s124*s134) - (4*s13*s14)/(s12*s123*s134) + 
   (D*s13*s14)/(s12*s123*s134) + (D*s13*s14)/(s12*s124*s134) + 
   (2*s13*s14^2)/(s12^2*s123*s124) + (4*s14^2)/(s12*s124*s134) - 
   (2*s23)/s123^2 + (D*s23)/s123^2 - (4*s23)/(s123*s124) + 
   (D*s23)/(s123*s124) - (4*s13*s23)/(s12*s123^2) + 
   (2*D*s13*s23)/(s12*s123^2) - (10*s13*s23)/(s12*s123*s124) + 
   (2*D*s13*s23)/(s12*s123*s124) + (D*s23)/(s123*s134) + 
   (4*s23)/(s124*s134) - (D*s23)/(s124*s134) - (4*s13*s23)/(s12*s123*s134) + 
   (D*s13*s23)/(s12*s123*s134) - (4*s13*s23)/(s12*s124*s134) + 
   (D*s13*s23)/(s12*s124*s134) - (2*s14*s23)/(s12*s123^2) + 
   (D*s14*s23)/(s12*s123^2) - (4*s14*s23)/(s12*s123*s124) + 
   (D*s14*s23)/(s12*s123*s124) + (2*s13*s14*s23)/(s12^2*s123^2) + 
   (2*s13*s14*s23)/(s12^2*s123*s124) + (D*s14*s23)/(s12*s123*s134) + 
   (D*s14*s23)/(s12*s124*s134) - (2*s23^2)/(s12*s123^2) + 
   (D*s23^2)/(s12*s123^2) - (4*s23^2)/(s12*s123*s124) + 
   (D*s23^2)/(s12*s123*s124) + (2*s13*s23^2)/(s12^2*s123^2) + 
   (4*s12)/(s123*s234) - (D*s12)/(s123*s234) + (D*s12)/(s124*s234) + 
   (8*s13)/(s123*s234) - (D*s13)/(s123*s234) + (D*s13)/(s124*s234) + 
   (D*s13^2)/(s12*s123*s234) - (4*s13^2)/(s12*s124*s234) + 
   (D*s13^2)/(s12*s124*s234) + (2*s12)/(s134*s234) - (6*s13)/(s134*s234) + 
   (D*s13)/(s134*s234) + (4*s14)/(s123*s234) - (D*s14)/(s123*s234) + 
   (D*s14)/(s124*s234) + (D*s13*s14)/(s12*s123*s234) - 
   (4*s13*s14)/(s12*s124*s234) + (D*s13*s14)/(s12*s124*s234) - 
   (4*s14)/(s134*s234) + (D*s14)/(s134*s234) + (8*s23)/(s123*s234) - 
   (D*s23)/(s123*s234) + (D*s23)/(s124*s234) + (D*s13*s23)/(s12*s123*s234) - 
   (4*s13*s23)/(s12*s124*s234) + (D*s13*s23)/(s12*s124*s234) - 
   (4*s14*s23)/(s12*s123*s234) + (D*s14*s23)/(s12*s123*s234) + 
   (D*s14*s23)/(s12*s124*s234) - (4*s13*s24)/(s12*s123^2) + 
   (D*s13*s24)/(s12*s123^2) - (8*s13*s24)/(s12*s123*s124) + 
   (D*s13*s24)/(s12*s123*s124) - (2*s13^2*s24)/(s12^2*s123^2) - 
   (2*s13^2*s24)/(s12^2*s123*s124) + (D*s24)/(s123*s134) + 
   (4*s24)/(s124*s134) - (D*s24)/(s124*s134) - (4*s13*s24)/(s12*s123*s134) + 
   (4*s14*s24)/(s12*s124*s134) - (2*s23*s24)/(s12*s123^2) + 
   (D*s23*s24)/(s12*s123^2) - (4*s23*s24)/(s12*s123*s124) + 
   (D*s23*s24)/(s12*s123*s124) + (2*s13*s23*s24)/(s12^2*s123^2) - 
   (2*s13*s23*s24)/(s12^2*s123*s124) + (4*s24)/(s123*s234) - 
   (D*s24)/(s123*s234) + (D*s24)/(s124*s234) + (4*s13*s24)/(s12*s123*s234) + 
   (4*s13*s24)/(s12*s124*s234) - (2*s13*s24^2)/(s12^2*s123*s124) - 
   (2*s12*s13^2)/(s134^2*s34^2) - (2*s13^3)/(s134^2*s34^2) + 
   (2*s12*s13*s14)/(s134^2*s34^2) + (2*s13*s14^2)/(s134^2*s34^2) - 
   (2*s13^2*s23)/(s134^2*s34^2) + (2*s13*s14*s23)/(s134^2*s34^2) + 
   (2*s12*s13*s23)/(s134*s234*s34^2) + (2*s13^2*s23)/(s134*s234*s34^2) + 
   (2*s13*s14*s23)/(s134*s234*s34^2) + (2*s13*s23^2)/(s134*s234*s34^2) - 
   (2*s13^2*s24)/(s134^2*s34^2) + (2*s13*s14*s24)/(s134^2*s34^2) - 
   (2*s12*s13*s24)/(s134*s234*s34^2) - (2*s13^2*s24)/(s134*s234*s34^2) - 
   (2*s13*s14*s24)/(s134*s234*s34^2) - (2*s13*s24^2)/(s134*s234*s34^2) - 
   (4*s12*s13)/(s134^2*s34) + (D*s12*s13)/(s134^2*s34) - 
   (6*s13^2)/(s134^2*s34) + (D*s13^2)/(s134^2*s34) + 
   (4*s12*s13)/(s124*s134*s34) + (4*s13^2)/(s123*s134*s34) + 
   (D*s13^2)/(s123*s134*s34) + (D*s13^2)/(s124*s134*s34) + 
   (4*s13^3)/(s12*s123*s134*s34) + (D*s13^3)/(s12*s123*s134*s34) - 
   (4*s13^3)/(s12*s124*s134*s34) + (D*s13^3)/(s12*s124*s134*s34) - 
   (2*s12*s14)/(s134^2*s34) + (D*s12*s14)/(s134^2*s34) - 
   (4*s13*s14)/(s134^2*s34) + (2*D*s13*s14)/(s134^2*s34) - 
   (4*s13*s14)/(s123*s134*s34) + (D*s13*s14)/(s123*s134*s34) + 
   (D*s13*s14)/(s124*s134*s34) + (2*D*s13^2*s14)/(s12*s123*s134*s34) - 
   (8*s13^2*s14)/(s12*s124*s134*s34) + (2*D*s13^2*s14)/(s12*s124*s134*s34) - 
   (2*s14^2)/(s134^2*s34) + (D*s14^2)/(s134^2*s34) - 
   (4*s13*s14^2)/(s12*s123*s134*s34) + (D*s13*s14^2)/(s12*s123*s134*s34) - 
   (4*s13*s14^2)/(s12*s124*s134*s34) + (D*s13*s14^2)/(s12*s124*s134*s34) - 
   (4*s13*s23)/(s134^2*s34) + (D*s13*s23)/(s134^2*s34) - 
   (4*s13*s23)/(s123*s134*s34) + (D*s13*s23)/(s123*s134*s34) + 
   (D*s13*s23)/(s124*s134*s34) + (2*D*s13^2*s23)/(s12*s123*s134*s34) - 
   (8*s13^2*s23)/(s12*s124*s134*s34) + (2*D*s13^2*s23)/(s12*s124*s134*s34) - 
   (2*s14*s23)/(s134^2*s34) + (D*s14*s23)/(s134^2*s34) + 
   (D*s14*s23)/(s123*s134*s34) - (4*s14*s23)/(s124*s134*s34) + 
   (D*s14*s23)/(s124*s134*s34) - (8*s13*s14*s23)/(s12*s123*s134*s34) + 
   (3*D*s13*s14*s23)/(s12*s123*s134*s34) - (12*s13*s14*s23)/
    (s12*s124*s134*s34) + (3*D*s13*s14*s23)/(s12*s124*s134*s34) + 
   (D*s14^2*s23)/(s12*s123*s134*s34) - (4*s14^2*s23)/(s12*s124*s134*s34) + 
   (D*s14^2*s23)/(s12*s124*s134*s34) - (4*s13*s23^2)/(s12*s123*s134*s34) + 
   (D*s13*s23^2)/(s12*s123*s134*s34) - (4*s13*s23^2)/(s12*s124*s134*s34) + 
   (D*s13*s23^2)/(s12*s124*s134*s34) + (D*s14*s23^2)/(s12*s123*s134*s34) - 
   (4*s14*s23^2)/(s12*s124*s134*s34) + (D*s14*s23^2)/(s12*s124*s134*s34) - 
   (4*s13^2)/(s123*s234*s34) + (D*s13^2)/(s123*s234*s34) - 
   (4*s13^2)/(s124*s234*s34) + (D*s13^2)/(s124*s234*s34) - 
   (4*s13^3)/(s12*s123*s234*s34) + (D*s13^3)/(s12*s123*s234*s34) - 
   (4*s13^3)/(s12*s124*s234*s34) + (D*s13^3)/(s12*s124*s234*s34) + 
   (2*s12^2)/(s134*s234*s34) - (4*s12*s13)/(s134*s234*s34) + 
   (D*s12*s13)/(s134*s234*s34) - (6*s13^2)/(s134*s234*s34) + 
   (D*s13^2)/(s134*s234*s34) - (4*s13*s14)/(s123*s234*s34) + 
   (D*s13*s14)/(s123*s234*s34) - (4*s13*s14)/(s124*s234*s34) + 
   (D*s13*s14)/(s124*s234*s34) - (8*s13^2*s14)/(s12*s123*s234*s34) + 
   (2*D*s13^2*s14)/(s12*s123*s234*s34) - (8*s13^2*s14)/(s12*s124*s234*s34) + 
   (2*D*s13^2*s14)/(s12*s124*s234*s34) - (2*s12*s14)/(s134*s234*s34) + 
   (D*s12*s14)/(s134*s234*s34) - (10*s13*s14)/(s134*s234*s34) + 
   (2*D*s13*s14)/(s134*s234*s34) - (4*s13*s14^2)/(s12*s123*s234*s34) + 
   (D*s13*s14^2)/(s12*s123*s234*s34) - (4*s13*s14^2)/(s12*s124*s234*s34) + 
   (D*s13*s14^2)/(s12*s124*s234*s34) - (4*s14^2)/(s134*s234*s34) + 
   (D*s14^2)/(s134*s234*s34) + (4*s12*s23)/(s123*s234*s34) + 
   (D*s13*s23)/(s123*s234*s34) - (4*s13*s23)/(s124*s234*s34) + 
   (D*s13*s23)/(s124*s234*s34) - (8*s13^2*s23)/(s12*s123*s234*s34) + 
   (2*D*s13^2*s23)/(s12*s123*s234*s34) - (8*s13^2*s23)/(s12*s124*s234*s34) + 
   (2*D*s13^2*s23)/(s12*s124*s234*s34) + (2*s12*s23)/(s134*s234*s34) - 
   (4*s13*s23)/(s134*s234*s34) + (D*s13*s23)/(s134*s234*s34) + 
   (D*s14*s23)/(s123*s234*s34) + (D*s14*s23)/(s124*s234*s34) - 
   (12*s13*s14*s23)/(s12*s123*s234*s34) + (3*D*s13*s14*s23)/
    (s12*s123*s234*s34) - (8*s13*s14*s23)/(s12*s124*s234*s34) + 
   (3*D*s13*s14*s23)/(s12*s124*s234*s34) - (4*s14*s23)/(s134*s234*s34) + 
   (D*s14*s23)/(s134*s234*s34) - (4*s14^2*s23)/(s12*s123*s234*s34) + 
   (D*s14^2*s23)/(s12*s123*s234*s34) + (D*s14^2*s23)/(s12*s124*s234*s34) + 
   (4*s23^2)/(s123*s234*s34) - (4*s13*s23^2)/(s12*s123*s234*s34) + 
   (D*s13*s23^2)/(s12*s123*s234*s34) - (4*s13*s23^2)/(s12*s124*s234*s34) + 
   (D*s13*s23^2)/(s12*s124*s234*s34) - (4*s14*s23^2)/(s12*s123*s234*s34) + 
   (D*s14*s23^2)/(s12*s123*s234*s34) + (D*s14*s23^2)/(s12*s124*s234*s34) - 
   (4*s13*s24)/(s134^2*s34) + (D*s13*s24)/(s134^2*s34) - 
   (4*s13*s24)/(s123*s134*s34) + (4*s13*s24)/(s124*s134*s34) + 
   (D*s13^2*s24)/(s12*s123*s134*s34) - (4*s13^2*s24)/(s12*s124*s134*s34) + 
   (D*s13^2*s24)/(s12*s124*s134*s34) - (2*s14*s24)/(s134^2*s34) + 
   (D*s14*s24)/(s134^2*s34) - (8*s13*s14*s24)/(s12*s123*s134*s34) + 
   (D*s13*s14*s24)/(s12*s123*s134*s34) - (4*s13*s14*s24)/
    (s12*s124*s134*s34) + (D*s13*s14*s24)/(s12*s124*s134*s34) - 
   (8*s13*s23*s24)/(s12*s123*s134*s34) + (D*s13*s23*s24)/
    (s12*s123*s134*s34) - (4*s13*s23*s24)/(s12*s124*s134*s34) + 
   (D*s13*s23*s24)/(s12*s124*s134*s34) + (D*s14*s23*s24)/
    (s12*s123*s134*s34) - (4*s14*s23*s24)/(s12*s124*s134*s34) + 
   (D*s14*s23*s24)/(s12*s124*s134*s34) + (4*s13*s24)/(s124*s234*s34) - 
   (4*s13^2*s24)/(s12*s123*s234*s34) + (D*s13^2*s24)/(s12*s123*s234*s34) + 
   (D*s13^2*s24)/(s12*s124*s234*s34) + (2*s12*s24)/(s134*s234*s34) - 
   (8*s13*s24)/(s134*s234*s34) + (D*s13*s24)/(s134*s234*s34) - 
   (4*s13*s14*s24)/(s12*s123*s234*s34) + (D*s13*s14*s24)/
    (s12*s123*s234*s34) + (D*s13*s14*s24)/(s12*s124*s234*s34) - 
   (4*s14*s24)/(s134*s234*s34) + (D*s14*s24)/(s134*s234*s34) + 
   (4*s23*s24)/(s123*s234*s34) - (4*s13*s23*s24)/(s12*s123*s234*s34) + 
   (D*s13*s23*s24)/(s12*s123*s234*s34) + (D*s13*s23*s24)/
    (s12*s124*s234*s34) - (4*s14*s23*s24)/(s12*s123*s234*s34) + 
   (D*s14*s23*s24)/(s12*s123*s234*s34) + (D*s14*s23*s24)/
    (s12*s124*s234*s34) - (4*s13*s24^2)/(s12*s123*s134*s34) + 
   (4*s13*s24^2)/(s12*s124*s234*s34) + (2*s34)/(s123*s124) - 
   (4*s13*s34)/(s12*s123^2) + (D*s13*s34)/(s12*s123^2) - 
   (4*s13*s34)/(s12*s123*s124) + (D*s13*s34)/(s12*s123*s124) - 
   (2*s13^2*s34)/(s12^2*s123^2) + (D*s34)/(s123*s134) + (4*s34)/(s124*s134) - 
   (D*s34)/(s124*s134) + (2*s14*s34)/(s12*s123*s124) + 
   (2*s13*s14*s34)/(s12^2*s123*s124) + (4*s14*s34)/(s12*s124*s134) - 
   (2*s23*s34)/(s12*s123^2) + (D*s23*s34)/(s12*s123^2) - 
   (2*s23*s34)/(s12*s123*s124) + (D*s23*s34)/(s12*s123*s124) + 
   (2*s13*s23*s34)/(s12^2*s123^2) + (4*s34)/(s123*s234) - 
   (D*s34)/(s123*s234) + (D*s34)/(s124*s234) + (4*s13*s34)/(s12*s123*s234) + 
   (2*s24*s34)/(s12*s123*s124) - (2*s13*s24*s34)/(s12^2*s123*s124) + 
   (2*s34^2)/(s12*s123*s124) + (2*s13*z1)/(s123^2*z12) - 
   (2*s13*z1)/(s123*s124*z12) + (4*s13^2*z1)/(s12*s123^2*z12) - 
   (2*s13^2*z1)/(s12*s123*s124*z12) + (2*s13^3*z1)/(s12^2*s123^2*z12) + 
   (2*s12*z1)/(s123*s134*z12) - (2*s12*z1)/(s124*s134*z12) + 
   (2*s13*z1)/(s124*s134*z12) - (2*s13^2*z1)/(s12*s123*s134*z12) + 
   (2*s13*s14*z1)/(s12*s123^2*z12) - (4*s13*s14*z1)/(s12*s123*s124*z12) + 
   (2*s13^2*s14*z1)/(s12^2*s123^2*z12) - (2*s13^2*s14*z1)/
    (s12^2*s123*s124*z12) + (2*s14*z1)/(s123*s134*z12) - 
   (4*s14*z1)/(s124*s134*z12) + (2*s13*s14*z1)/(s12*s123*s134*z12) + 
   (2*s13*s14*z1)/(s12*s124*s134*z12) - (2*s13*s14^2*z1)/
    (s12^2*s123*s124*z12) - (2*s14^2*z1)/(s12*s124*s134*z12) + 
   (4*s13*s23*z1)/(s12*s123^2*z12) - (2*s13*s23*z1)/(s12*s123*s124*z12) + 
   (4*s13^2*s23*z1)/(s12^2*s123^2*z12) + (4*s23*z1)/(s123*s134*z12) - 
   (2*s23*z1)/(s124*s134*z12) + (2*s13*s14*s23*z1)/(s12^2*s123^2*z12) - 
   (2*s13*s14*s23*z1)/(s12^2*s123*s124*z12) + 
   (2*s14*s23*z1)/(s12*s123*s134*z12) - (2*s14*s23*z1)/(s12*s124*s134*z12) + 
   (2*s13*s23^2*z1)/(s12^2*s123^2*z12) + (2*s23^2*z1)/(s12*s123*s134*z12) - 
   (2*s12*z1)/(s123*s234*z12) + (2*s12*z1)/(s124*s234*z12) - 
   (4*s13*z1)/(s123*s234*z12) + (2*s13*z1)/(s124*s234*z12) - 
   (2*s13^2*z1)/(s12*s123*s234*z12) - (2*s14*z1)/(s123*s234*z12) + 
   (4*s14*z1)/(s124*s234*z12) - (2*s13*s14*z1)/(s12*s123*s234*z12) + 
   (2*s13*s14*z1)/(s12*s124*s234*z12) + (2*s14^2*z1)/(s12*s124*s234*z12) - 
   (2*s23*z1)/(s124*s234*z12) - (2*s14*s23*z1)/(s12*s123*s234*z12) - 
   (2*s14*s23*z1)/(s12*s124*s234*z12) + (2*s23^2*z1)/(s12*s123*s234*z12) + 
   (2*s13*s24*z1)/(s12*s123^2*z12) - (4*s13*s24*z1)/(s12*s123*s124*z12) + 
   (2*s13^2*s24*z1)/(s12^2*s123^2*z12) - (2*s13^2*s24*z1)/
    (s12^2*s123*s124*z12) + (2*s24*z1)/(s123*s134*z12) - 
   (4*s24*z1)/(s124*s134*z12) + (2*s13*s24*z1)/(s12*s123*s134*z12) + 
   (2*s13*s24*z1)/(s12*s124*s134*z12) - (4*s13*s14*s24*z1)/
    (s12^2*s123*s124*z12) - (4*s14*s24*z1)/(s12*s124*s134*z12) + 
   (2*s13*s23*s24*z1)/(s12^2*s123^2*z12) - (2*s13*s23*s24*z1)/
    (s12^2*s123*s124*z12) + (2*s23*s24*z1)/(s12*s123*s134*z12) - 
   (2*s23*s24*z1)/(s12*s124*s134*z12) - (2*s24*z1)/(s123*s234*z12) + 
   (4*s24*z1)/(s124*s234*z12) - (2*s13*s24*z1)/(s12*s123*s234*z12) + 
   (2*s13*s24*z1)/(s12*s124*s234*z12) + (4*s14*s24*z1)/(s12*s124*s234*z12) - 
   (2*s23*s24*z1)/(s12*s123*s234*z12) - (2*s23*s24*z1)/(s12*s124*s234*z12) - 
   (2*s13*s24^2*z1)/(s12^2*s123*s124*z12) - 
   (2*s24^2*z1)/(s12*s124*s134*z12) + (2*s24^2*z1)/(s12*s124*s234*z12) - 
   (4*s12*s13*z1)/(s123*s134*s34*z12) + (4*s12*s13*z1)/(s124*s134*s34*z12) - 
   (8*s13^2*z1)/(s123*s134*s34*z12) + (4*s13^2*z1)/(s124*s134*s34*z12) - 
   (4*s13^3*z1)/(s12*s123*s134*s34*z12) - (4*s13*s14*z1)/
    (s123*s134*s34*z12) + (8*s13*s14*z1)/(s124*s134*s34*z12) - 
   (4*s13^2*s14*z1)/(s12*s123*s134*s34*z12) + 
   (4*s13^2*s14*z1)/(s12*s124*s134*s34*z12) + 
   (4*s13*s14^2*z1)/(s12*s124*s134*s34*z12) - 
   (8*s13*s23*z1)/(s123*s134*s34*z12) + (4*s13*s23*z1)/(s124*s134*s34*z12) - 
   (8*s13^2*s23*z1)/(s12*s123*s134*s34*z12) - (4*s13*s14*s23*z1)/
    (s12*s123*s134*s34*z12) + (4*s13*s14*s23*z1)/(s12*s124*s134*s34*z12) - 
   (4*s13*s23^2*z1)/(s12*s123*s134*s34*z12) + 
   (4*s12*s23*z1)/(s123*s234*s34*z12) - (4*s12*s23*z1)/(s124*s234*s34*z12) + 
   (8*s13*s23*z1)/(s123*s234*s34*z12) - (4*s13*s23*z1)/(s124*s234*s34*z12) + 
   (4*s13^2*s23*z1)/(s12*s123*s234*s34*z12) + 
   (4*s14*s23*z1)/(s123*s234*s34*z12) - (8*s14*s23*z1)/(s124*s234*s34*z12) + 
   (4*s13*s14*s23*z1)/(s12*s123*s234*s34*z12) - 
   (4*s13*s14*s23*z1)/(s12*s124*s234*s34*z12) - 
   (4*s14^2*s23*z1)/(s12*s124*s234*s34*z12) + 
   (8*s23^2*z1)/(s123*s234*s34*z12) - (4*s23^2*z1)/(s124*s234*s34*z12) + 
   (8*s13*s23^2*z1)/(s12*s123*s234*s34*z12) + 
   (4*s14*s23^2*z1)/(s12*s123*s234*s34*z12) - 
   (4*s14*s23^2*z1)/(s12*s124*s234*s34*z12) + 
   (4*s23^3*z1)/(s12*s123*s234*s34*z12) - (4*s13*s24*z1)/
    (s123*s134*s34*z12) + (8*s13*s24*z1)/(s124*s134*s34*z12) - 
   (4*s13^2*s24*z1)/(s12*s123*s134*s34*z12) + 
   (4*s13^2*s24*z1)/(s12*s124*s134*s34*z12) + (8*s13*s14*s24*z1)/
    (s12*s124*s134*s34*z12) - (4*s13*s23*s24*z1)/(s12*s123*s134*s34*z12) + 
   (4*s13*s23*s24*z1)/(s12*s124*s134*s34*z12) + 
   (4*s23*s24*z1)/(s123*s234*s34*z12) - (8*s23*s24*z1)/(s124*s234*s34*z12) + 
   (4*s13*s23*s24*z1)/(s12*s123*s234*s34*z12) - 
   (4*s13*s23*s24*z1)/(s12*s124*s234*s34*z12) - 
   (8*s14*s23*s24*z1)/(s12*s124*s234*s34*z12) + 
   (4*s23^2*s24*z1)/(s12*s123*s234*s34*z12) - 
   (4*s23^2*s24*z1)/(s12*s124*s234*s34*z12) + 
   (4*s13*s24^2*z1)/(s12*s124*s134*s34*z12) - 
   (4*s23*s24^2*z1)/(s12*s124*s234*s34*z12) + 
   (2*s13*s34*z1)/(s12*s123^2*z12) - (2*s13*s34*z1)/(s12*s123*s124*z12) + 
   (2*s13^2*s34*z1)/(s12^2*s123^2*z12) + (2*s34*z1)/(s123*s134*z12) - 
   (2*s34*z1)/(s124*s134*z12) + (2*s13*s34*z1)/(s12*s123*s134*z12) - 
   (2*s13*s14*s34*z1)/(s12^2*s123*s124*z12) - 
   (2*s14*s34*z1)/(s12*s124*s134*z12) + (2*s13*s23*s34*z1)/
    (s12^2*s123^2*z12) + (2*s23*s34*z1)/(s12*s123*s134*z12) - 
   (2*s34*z1)/(s123*s234*z12) + (2*s34*z1)/(s124*s234*z12) - 
   (2*s13*s34*z1)/(s12*s123*s234*z12) + (2*s14*s34*z1)/(s12*s124*s234*z12) - 
   (2*s23*s34*z1)/(s12*s123*s234*z12) - (2*s13*s24*s34*z1)/
    (s12^2*s123*s124*z12) - (2*s24*s34*z1)/(s12*s124*s134*z12) + 
   (2*s24*s34*z1)/(s12*s124*s234*z12) - (2*s13*z2)/(s123^2*z12) + 
   (2*s13*z2)/(s123*s124*z12) - (4*s13^2*z2)/(s12*s123^2*z12) + 
   (2*s13^2*z2)/(s12*s123*s124*z12) - (2*s13^3*z2)/(s12^2*s123^2*z12) - 
   (2*s13*s14*z2)/(s12*s123^2*z12) + (4*s13*s14*z2)/(s12*s123*s124*z12) - 
   (2*s13^2*s14*z2)/(s12^2*s123^2*z12) + (2*s13^2*s14*z2)/
    (s12^2*s123*s124*z12) + (2*s13*s14^2*z2)/(s12^2*s123*s124*z12) - 
   (4*s13*s23*z2)/(s12*s123^2*z12) + (2*s13*s23*z2)/(s12*s123*s124*z12) - 
   (4*s13^2*s23*z2)/(s12^2*s123^2*z12) - (2*s13*s14*s23*z2)/
    (s12^2*s123^2*z12) + (2*s13*s14*s23*z2)/(s12^2*s123*s124*z12) - 
   (2*s13*s23^2*z2)/(s12^2*s123^2*z12) - (2*s13*s24*z2)/(s12*s123^2*z12) + 
   (4*s13*s24*z2)/(s12*s123*s124*z12) - (2*s13^2*s24*z2)/(s12^2*s123^2*z12) + 
   (2*s13^2*s24*z2)/(s12^2*s123*s124*z12) + (4*s13*s14*s24*z2)/
    (s12^2*s123*s124*z12) - (2*s13*s23*s24*z2)/(s12^2*s123^2*z12) + 
   (2*s13*s23*s24*z2)/(s12^2*s123*s124*z12) + 
   (2*s13*s24^2*z2)/(s12^2*s123*s124*z12) - (2*s13*s34*z2)/(s12*s123^2*z12) + 
   (2*s13*s34*z2)/(s12*s123*s124*z12) - (2*s13^2*s34*z2)/(s12^2*s123^2*z12) + 
   (2*s13*s14*s34*z2)/(s12^2*s123*s124*z12) - (2*s13*s23*s34*z2)/
    (s12^2*s123^2*z12) + (2*s13*s24*s34*z2)/(s12^2*s123*s124*z12) + 
   (2*s12*z3)/(s123^2*z12) - (2*s12*z3)/(s123*s124*z12) + 
   (4*s13*z3)/(s123^2*z12) - (2*s13*z3)/(s123*s124*z12) + 
   (2*s13^2*z3)/(s12*s123^2*z12) + (2*s14*z3)/(s123^2*z12) - 
   (4*s14*z3)/(s123*s124*z12) + (2*s13*s14*z3)/(s12*s123^2*z12) - 
   (2*s13*s14*z3)/(s12*s123*s124*z12) + (2*s14*z3)/(s123*s134*z12) - 
   (2*s14*z3)/(s124*s134*z12) + (2*s13*s14*z3)/(s12*s123*s134*z12) - 
   (2*s14^2*z3)/(s12*s123*s124*z12) - (2*s14^2*z3)/(s12*s124*s134*z12) + 
   (4*s23*z3)/(s123^2*z12) - (2*s23*z3)/(s123*s124*z12) + 
   (4*s13*s23*z3)/(s12*s123^2*z12) + (2*s14*s23*z3)/(s12*s123^2*z12) - 
   (2*s14*s23*z3)/(s12*s123*s124*z12) + (2*s14*s23*z3)/(s12*s123*s134*z12) + 
   (2*s23^2*z3)/(s12*s123^2*z12) + (2*s14*z3)/(s123*s234*z12) - 
   (2*s14*z3)/(s124*s234*z12) + (2*s13*s14*z3)/(s12*s123*s234*z12) - 
   (2*s14^2*z3)/(s12*s124*s234*z12) + (2*s14*s23*z3)/(s12*s123*s234*z12) + 
   (2*s24*z3)/(s123^2*z12) - (4*s24*z3)/(s123*s124*z12) + 
   (2*s13*s24*z3)/(s12*s123^2*z12) - (2*s13*s24*z3)/(s12*s123*s124*z12) - 
   (4*s14*s24*z3)/(s12*s123*s124*z12) - (2*s14*s24*z3)/(s12*s124*s134*z12) + 
   (2*s23*s24*z3)/(s12*s123^2*z12) - (2*s23*s24*z3)/(s12*s123*s124*z12) - 
   (2*s14*s24*z3)/(s12*s124*s234*z12) - (2*s24^2*z3)/(s12*s123*s124*z12) + 
   (2*s12*s14*z3)/(s123*s134*s34*z12) - (2*s12*s14*z3)/(s124*s134*s34*z12) + 
   (4*s13*s14*z3)/(s123*s134*s34*z12) - (2*s13*s14*z3)/(s124*s134*s34*z12) + 
   (2*s13^2*s14*z3)/(s12*s123*s134*s34*z12) + 
   (2*s14^2*z3)/(s123*s134*s34*z12) - (4*s14^2*z3)/(s124*s134*s34*z12) + 
   (2*s13*s14^2*z3)/(s12*s123*s134*s34*z12) - 
   (2*s13*s14^2*z3)/(s12*s124*s134*s34*z12) - 
   (2*s14^3*z3)/(s12*s124*s134*s34*z12) + (4*s14*s23*z3)/
    (s123*s134*s34*z12) - (2*s14*s23*z3)/(s124*s134*s34*z12) + 
   (4*s13*s14*s23*z3)/(s12*s123*s134*s34*z12) + 
   (2*s14^2*s23*z3)/(s12*s123*s134*s34*z12) - 
   (2*s14^2*s23*z3)/(s12*s124*s134*s34*z12) + 
   (2*s14*s23^2*z3)/(s12*s123*s134*s34*z12) + 
   (2*s12*s14*z3)/(s123*s234*s34*z12) - (2*s12*s14*z3)/(s124*s234*s34*z12) + 
   (4*s13*s14*z3)/(s123*s234*s34*z12) - (2*s13*s14*z3)/(s124*s234*s34*z12) + 
   (2*s13^2*s14*z3)/(s12*s123*s234*s34*z12) + 
   (2*s14^2*z3)/(s123*s234*s34*z12) - (4*s14^2*z3)/(s124*s234*s34*z12) + 
   (2*s13*s14^2*z3)/(s12*s123*s234*s34*z12) - 
   (2*s13*s14^2*z3)/(s12*s124*s234*s34*z12) - 
   (2*s14^3*z3)/(s12*s124*s234*s34*z12) + (4*s14*s23*z3)/
    (s123*s234*s34*z12) - (2*s14*s23*z3)/(s124*s234*s34*z12) + 
   (4*s13*s14*s23*z3)/(s12*s123*s234*s34*z12) + 
   (2*s14^2*s23*z3)/(s12*s123*s234*s34*z12) - 
   (2*s14^2*s23*z3)/(s12*s124*s234*s34*z12) + 
   (2*s14*s23^2*z3)/(s12*s123*s234*s34*z12) + 
   (2*s14*s24*z3)/(s123*s134*s34*z12) - (4*s14*s24*z3)/(s124*s134*s34*z12) + 
   (2*s13*s14*s24*z3)/(s12*s123*s134*s34*z12) - 
   (2*s13*s14*s24*z3)/(s12*s124*s134*s34*z12) - 
   (4*s14^2*s24*z3)/(s12*s124*s134*s34*z12) + (2*s14*s23*s24*z3)/
    (s12*s123*s134*s34*z12) - (2*s14*s23*s24*z3)/(s12*s124*s134*s34*z12) + 
   (2*s14*s24*z3)/(s123*s234*s34*z12) - (4*s14*s24*z3)/(s124*s234*s34*z12) + 
   (2*s13*s14*s24*z3)/(s12*s123*s234*s34*z12) - 
   (2*s13*s14*s24*z3)/(s12*s124*s234*s34*z12) - 
   (4*s14^2*s24*z3)/(s12*s124*s234*s34*z12) + (2*s14*s23*s24*z3)/
    (s12*s123*s234*s34*z12) - (2*s14*s23*s24*z3)/(s12*s124*s234*s34*z12) - 
   (2*s14*s24^2*z3)/(s12*s124*s134*s34*z12) - 
   (2*s14*s24^2*z3)/(s12*s124*s234*s34*z12) + (2*s34*z3)/(s123^2*z12) - 
   (2*s34*z3)/(s123*s124*z12) + (2*s13*s34*z3)/(s12*s123^2*z12) - 
   (2*s14*s34*z3)/(s12*s123*s124*z12) + (2*s23*s34*z3)/(s12*s123^2*z12) - 
   (2*s24*s34*z3)/(s12*s123*s124*z12) + (2*s12*z1)/(s134^2*z34) + 
   (4*s13*z1)/(s134^2*z34) + (4*s14*z1)/(s134^2*z34) + 
   (2*s23*z1)/(s134^2*z34) + (2*s23*z1)/(s123*s134*z34) + 
   (2*s23*z1)/(s124*s134*z34) + (4*s13*s23*z1)/(s12*s123*s134*z34) + 
   (4*s13*s23*z1)/(s12*s124*s134*z34) + (4*s14*s23*z1)/(s12*s123*s134*z34) + 
   (4*s14*s23*z1)/(s12*s124*s134*z34) + (2*s23^2*z1)/(s12*s123*s134*z34) + 
   (2*s23^2*z1)/(s12*s124*s134*z34) - (2*s12*z1)/(s134*s234*z34) - 
   (2*s13*z1)/(s134*s234*z34) - (2*s14*z1)/(s134*s234*z34) - 
   (2*s23*z1)/(s123*s234*z34) - (2*s23*z1)/(s124*s234*z34) - 
   (2*s13*s23*z1)/(s12*s123*s234*z34) - (2*s13*s23*z1)/(s12*s124*s234*z34) - 
   (4*s23*z1)/(s134*s234*z34) - (2*s14*s23*z1)/(s12*s123*s234*z34) - 
   (2*s14*s23*z1)/(s12*s124*s234*z34) - (4*s23^2*z1)/(s12*s123*s234*z34) - 
   (4*s23^2*z1)/(s12*s124*s234*z34) + (2*s24*z1)/(s134^2*z34) + 
   (2*s23*s24*z1)/(s12*s123*s134*z34) + (2*s23*s24*z1)/(s12*s124*s134*z34) - 
   (4*s24*z1)/(s134*s234*z34) - (4*s23*s24*z1)/(s12*s123*s234*z34) - 
   (4*s23*s24*z1)/(s12*s124*s234*z34) + (2*s12*s13*z1)/(s134^2*s34*z34) + 
   (2*s13^2*z1)/(s134^2*s34*z34) + (2*s12*s14*z1)/(s134^2*s34*z34) + 
   (4*s13*s14*z1)/(s134^2*s34*z34) + (2*s14^2*z1)/(s134^2*s34*z34) + 
   (2*s13*s23*z1)/(s134^2*s34*z34) + (2*s13*s23*z1)/(s123*s134*s34*z34) + 
   (2*s13*s23*z1)/(s124*s134*s34*z34) + (2*s13^2*s23*z1)/
    (s12*s123*s134*s34*z34) + (2*s13^2*s23*z1)/(s12*s124*s134*s34*z34) + 
   (2*s14*s23*z1)/(s134^2*s34*z34) + (2*s14*s23*z1)/(s123*s134*s34*z34) + 
   (2*s14*s23*z1)/(s124*s134*s34*z34) + (4*s13*s14*s23*z1)/
    (s12*s123*s134*s34*z34) + (4*s13*s14*s23*z1)/(s12*s124*s134*s34*z34) + 
   (2*s14^2*s23*z1)/(s12*s123*s134*s34*z34) + 
   (2*s14^2*s23*z1)/(s12*s124*s134*s34*z34) + 
   (2*s13*s23^2*z1)/(s12*s123*s134*s34*z34) + 
   (2*s13*s23^2*z1)/(s12*s124*s134*s34*z34) + 
   (2*s14*s23^2*z1)/(s12*s123*s134*s34*z34) + 
   (2*s14*s23^2*z1)/(s12*s124*s134*s34*z34) - 
   (2*s12*s23*z1)/(s134*s234*s34*z34) - (2*s13*s23*z1)/(s134*s234*s34*z34) - 
   (2*s14*s23*z1)/(s134*s234*s34*z34) - (2*s23^2*z1)/(s123*s234*s34*z34) - 
   (2*s23^2*z1)/(s124*s234*s34*z34) - (2*s13*s23^2*z1)/
    (s12*s123*s234*s34*z34) - (2*s13*s23^2*z1)/(s12*s124*s234*s34*z34) - 
   (2*s23^2*z1)/(s134*s234*s34*z34) - (2*s14*s23^2*z1)/
    (s12*s123*s234*s34*z34) - (2*s14*s23^2*z1)/(s12*s124*s234*s34*z34) - 
   (2*s23^3*z1)/(s12*s123*s234*s34*z34) - 
   (2*s23^3*z1)/(s12*s124*s234*s34*z34) + (2*s13*s24*z1)/(s134^2*s34*z34) + 
   (2*s14*s24*z1)/(s134^2*s34*z34) + (2*s13*s23*s24*z1)/
    (s12*s123*s134*s34*z34) + (2*s13*s23*s24*z1)/(s12*s124*s134*s34*z34) + 
   (2*s14*s23*s24*z1)/(s12*s123*s134*s34*z34) + 
   (2*s14*s23*s24*z1)/(s12*s124*s134*s34*z34) - 
   (2*s12*s24*z1)/(s134*s234*s34*z34) - (2*s13*s24*z1)/(s134*s234*s34*z34) - 
   (2*s14*s24*z1)/(s134*s234*s34*z34) - (2*s23*s24*z1)/(s123*s234*s34*z34) - 
   (2*s23*s24*z1)/(s124*s234*s34*z34) - (2*s13*s23*s24*z1)/
    (s12*s123*s234*s34*z34) - (2*s13*s23*s24*z1)/(s12*s124*s234*s34*z34) - 
   (4*s23*s24*z1)/(s134*s234*s34*z34) - (2*s14*s23*s24*z1)/
    (s12*s123*s234*s34*z34) - (2*s14*s23*s24*z1)/(s12*s124*s234*s34*z34) - 
   (4*s23^2*s24*z1)/(s12*s123*s234*s34*z34) - 
   (4*s23^2*s24*z1)/(s12*s124*s234*s34*z34) - 
   (2*s24^2*z1)/(s134*s234*s34*z34) - (2*s23*s24^2*z1)/
    (s12*s123*s234*s34*z34) - (2*s23*s24^2*z1)/(s12*s124*s234*s34*z34) + 
   (2*s34*z1)/(s134^2*z34) + (2*s23*s34*z1)/(s12*s123*s134*z34) + 
   (2*s23*s34*z1)/(s12*s124*s134*z34) - (2*s34*z1)/(s134*s234*z34) - 
   (2*s23*s34*z1)/(s12*s123*s234*z34) - (2*s23*s34*z1)/(s12*s124*s234*z34) - 
   (2*s13*z2)/(s123*s134*z34) - (2*s13*z2)/(s124*s134*z34) - 
   (4*s13^2*z2)/(s12*s123*s134*z34) - (4*s13^2*z2)/(s12*s124*s134*z34) - 
   (4*s13*s14*z2)/(s12*s123*s134*z34) - (4*s13*s14*z2)/(s12*s124*s134*z34) - 
   (2*s13*s23*z2)/(s12*s123*s134*z34) - (2*s13*s23*z2)/(s12*s124*s134*z34) + 
   (2*s13*z2)/(s123*s234*z34) + (2*s13*z2)/(s124*s234*z34) + 
   (2*s13^2*z2)/(s12*s123*s234*z34) + (2*s13^2*z2)/(s12*s124*s234*z34) + 
   (2*s13*s14*z2)/(s12*s123*s234*z34) + (2*s13*s14*z2)/(s12*s124*s234*z34) + 
   (4*s13*s23*z2)/(s12*s123*s234*z34) + (4*s13*s23*z2)/(s12*s124*s234*z34) - 
   (2*s13*s24*z2)/(s12*s123*s134*z34) - (2*s13*s24*z2)/(s12*s124*s134*z34) + 
   (4*s13*s24*z2)/(s12*s123*s234*z34) + (4*s13*s24*z2)/(s12*s124*s234*z34) - 
   (2*s13^2*z2)/(s123*s134*s34*z34) - (2*s13^2*z2)/(s124*s134*s34*z34) - 
   (2*s13^3*z2)/(s12*s123*s134*s34*z34) - 
   (2*s13^3*z2)/(s12*s124*s134*s34*z34) - (2*s13*s14*z2)/
    (s123*s134*s34*z34) - (2*s13*s14*z2)/(s124*s134*s34*z34) - 
   (4*s13^2*s14*z2)/(s12*s123*s134*s34*z34) - 
   (4*s13^2*s14*z2)/(s12*s124*s134*s34*z34) - 
   (2*s13*s14^2*z2)/(s12*s123*s134*s34*z34) - 
   (2*s13*s14^2*z2)/(s12*s124*s134*s34*z34) - 
   (2*s13^2*s23*z2)/(s12*s123*s134*s34*z34) - 
   (2*s13^2*s23*z2)/(s12*s124*s134*s34*z34) - (2*s13*s14*s23*z2)/
    (s12*s123*s134*s34*z34) - (2*s13*s14*s23*z2)/(s12*s124*s134*s34*z34) + 
   (2*s13*s23*z2)/(s123*s234*s34*z34) + (2*s13*s23*z2)/(s124*s234*s34*z34) + 
   (2*s13^2*s23*z2)/(s12*s123*s234*s34*z34) + 
   (2*s13^2*s23*z2)/(s12*s124*s234*s34*z34) + (2*s13*s14*s23*z2)/
    (s12*s123*s234*s34*z34) + (2*s13*s14*s23*z2)/(s12*s124*s234*s34*z34) + 
   (2*s13*s23^2*z2)/(s12*s123*s234*s34*z34) + 
   (2*s13*s23^2*z2)/(s12*s124*s234*s34*z34) - 
   (2*s13^2*s24*z2)/(s12*s123*s134*s34*z34) - 
   (2*s13^2*s24*z2)/(s12*s124*s134*s34*z34) - (2*s13*s14*s24*z2)/
    (s12*s123*s134*s34*z34) - (2*s13*s14*s24*z2)/(s12*s124*s134*s34*z34) + 
   (2*s13*s24*z2)/(s123*s234*s34*z34) + (2*s13*s24*z2)/(s124*s234*s34*z34) + 
   (2*s13^2*s24*z2)/(s12*s123*s234*s34*z34) + 
   (2*s13^2*s24*z2)/(s12*s124*s234*s34*z34) + (2*s13*s14*s24*z2)/
    (s12*s123*s234*s34*z34) + (2*s13*s14*s24*z2)/(s12*s124*s234*s34*z34) + 
   (4*s13*s23*s24*z2)/(s12*s123*s234*s34*z34) + 
   (4*s13*s23*s24*z2)/(s12*s124*s234*s34*z34) + 
   (2*s13*s24^2*z2)/(s12*s123*s234*s34*z34) + 
   (2*s13*s24^2*z2)/(s12*s124*s234*s34*z34) - 
   (2*s13*s34*z2)/(s12*s123*s134*z34) - (2*s13*s34*z2)/(s12*s124*s134*z34) + 
   (2*s13*s34*z2)/(s12*s123*s234*z34) + (2*s13*s34*z2)/(s12*s124*s234*z34) + 
   (2*s13*z3)/(s134^2*z34) + (2*s12*z3)/(s123*s134*z34) - 
   (2*s12*z3)/(s124*s134*z34) - (4*s13*z3)/(s124*s134*z34) - 
   (8*s13^2*z3)/(s12*s123*s134*z34) + (4*s14*z3)/(s123*s134*z34) - 
   (8*s13*s14*z3)/(s12*s123*s134*z34) + (8*s13*s14*z3)/(s12*s124*s134*z34) + 
   (8*s14^2*z3)/(s12*s124*s134*z34) + (2*s23*z3)/(s123*s134*z34) - 
   (2*s23*z3)/(s124*s134*z34) - (4*s13*s23*z3)/(s12*s123*s134*z34) + 
   (4*s14*s23*z3)/(s12*s124*s134*z34) - (2*s12*z3)/(s123*s234*z34) + 
   (2*s12*z3)/(s124*s234*z34) + (2*s13*z3)/(s123*s234*z34) + 
   (2*s13*z3)/(s124*s234*z34) + (4*s13^2*z3)/(s12*s123*s234*z34) - 
   (2*s13*z3)/(s134*s234*z34) - (2*s14*z3)/(s123*s234*z34) - 
   (2*s14*z3)/(s124*s234*z34) + (4*s13*s14*z3)/(s12*s123*s234*z34) - 
   (4*s13*s14*z3)/(s12*s124*s234*z34) - (4*s14^2*z3)/(s12*s124*s234*z34) - 
   (4*s23*z3)/(s123*s234*z34) + (4*s23*z3)/(s124*s234*z34) + 
   (8*s13*s23*z3)/(s12*s123*s234*z34) - (8*s14*s23*z3)/(s12*s124*s234*z34) + 
   (2*s24*z3)/(s123*s134*z34) - (2*s24*z3)/(s124*s134*z34) - 
   (4*s13*s24*z3)/(s12*s123*s134*z34) + (4*s14*s24*z3)/(s12*s124*s134*z34) - 
   (4*s24*z3)/(s123*s234*z34) + (4*s24*z3)/(s124*s234*z34) + 
   (8*s13*s24*z3)/(s12*s123*s234*z34) - (8*s14*s24*z3)/(s12*s124*s234*z34) + 
   (2*s12*s13^2*z3)/(s134^2*s34^2*z34) + (2*s13^3*z3)/(s134^2*s34^2*z34) + 
   (2*s12*s13*s14*z3)/(s134^2*s34^2*z34) + (4*s13^2*s14*z3)/
    (s134^2*s34^2*z34) + (2*s13*s14^2*z3)/(s134^2*s34^2*z34) + 
   (2*s13^2*s23*z3)/(s134^2*s34^2*z34) + (2*s13*s14*s23*z3)/
    (s134^2*s34^2*z34) - (2*s12*s13*s23*z3)/(s134*s234*s34^2*z34) - 
   (2*s13^2*s23*z3)/(s134*s234*s34^2*z34) - (2*s13*s14*s23*z3)/
    (s134*s234*s34^2*z34) - (2*s13*s23^2*z3)/(s134*s234*s34^2*z34) + 
   (2*s13^2*s24*z3)/(s134^2*s34^2*z34) + (2*s13*s14*s24*z3)/
    (s134^2*s34^2*z34) - (2*s12*s13*s24*z3)/(s134*s234*s34^2*z34) - 
   (2*s13^2*s24*z3)/(s134*s234*s34^2*z34) - (2*s13*s14*s24*z3)/
    (s134*s234*s34^2*z34) - (4*s13*s23*s24*z3)/(s134*s234*s34^2*z34) - 
   (2*s13*s24^2*z3)/(s134*s234*s34^2*z34) + (2*s12*s13*z3)/(s134^2*s34*z34) + 
   (4*s13^2*z3)/(s134^2*s34*z34) + (2*s12*s13*z3)/(s123*s134*s34*z34) - 
   (2*s12*s13*z3)/(s124*s134*s34*z34) - (2*s13^2*z3)/(s123*s134*s34*z34) - 
   (2*s13^2*z3)/(s124*s134*s34*z34) - (4*s13^3*z3)/(s12*s123*s134*s34*z34) + 
   (4*s13*s14*z3)/(s134^2*s34*z34) + (2*s12*s14*z3)/(s123*s134*s34*z34) - 
   (2*s12*s14*z3)/(s124*s134*s34*z34) - (8*s13^2*s14*z3)/
    (s12*s123*s134*s34*z34) + (4*s13^2*s14*z3)/(s12*s124*s134*s34*z34) + 
   (2*s14^2*z3)/(s123*s134*s34*z34) + (2*s14^2*z3)/(s124*s134*s34*z34) - 
   (4*s13*s14^2*z3)/(s12*s123*s134*s34*z34) + 
   (8*s13*s14^2*z3)/(s12*s124*s134*s34*z34) + 
   (4*s14^3*z3)/(s12*s124*s134*s34*z34) + (2*s13*s23*z3)/(s134^2*s34*z34) + 
   (2*s13*s23*z3)/(s123*s134*s34*z34) - (2*s13*s23*z3)/(s124*s134*s34*z34) - 
   (4*s13^2*s23*z3)/(s12*s123*s134*s34*z34) + 
   (2*s14*s23*z3)/(s123*s134*s34*z34) - (2*s14*s23*z3)/(s124*s134*s34*z34) - 
   (4*s13*s14*s23*z3)/(s12*s123*s134*s34*z34) + 
   (4*s13*s14*s23*z3)/(s12*s124*s134*s34*z34) + 
   (4*s14^2*s23*z3)/(s12*s124*s134*s34*z34) - 
   (2*s12*s13*z3)/(s134*s234*s34*z34) - (2*s13^2*z3)/(s134*s234*s34*z34) - 
   (2*s13*s14*z3)/(s134*s234*s34*z34) - (2*s12*s23*z3)/(s123*s234*s34*z34) + 
   (2*s12*s23*z3)/(s124*s234*s34*z34) + (2*s13*s23*z3)/(s123*s234*s34*z34) + 
   (2*s13*s23*z3)/(s124*s234*s34*z34) + (4*s13^2*s23*z3)/
    (s12*s123*s234*s34*z34) - (4*s13*s23*z3)/(s134*s234*s34*z34) - 
   (2*s14*s23*z3)/(s123*s234*s34*z34) - (2*s14*s23*z3)/(s124*s234*s34*z34) + 
   (4*s13*s14*s23*z3)/(s12*s123*s234*s34*z34) - 
   (4*s13*s14*s23*z3)/(s12*s124*s234*s34*z34) - 
   (4*s14^2*s23*z3)/(s12*s124*s234*s34*z34) - 
   (2*s23^2*z3)/(s123*s234*s34*z34) + (2*s23^2*z3)/(s124*s234*s34*z34) + 
   (4*s13*s23^2*z3)/(s12*s123*s234*s34*z34) - 
   (4*s14*s23^2*z3)/(s12*s124*s234*s34*z34) + 
   (2*s13*s24*z3)/(s134^2*s34*z34) + (2*s13*s24*z3)/(s123*s134*s34*z34) - 
   (2*s13*s24*z3)/(s124*s134*s34*z34) - (4*s13^2*s24*z3)/
    (s12*s123*s134*s34*z34) + (2*s14*s24*z3)/(s123*s134*s34*z34) - 
   (2*s14*s24*z3)/(s124*s134*s34*z34) - (4*s13*s14*s24*z3)/
    (s12*s123*s134*s34*z34) + (4*s13*s14*s24*z3)/(s12*s124*s134*s34*z34) + 
   (4*s14^2*s24*z3)/(s12*s124*s134*s34*z34) - 
   (2*s12*s24*z3)/(s123*s234*s34*z34) + (2*s12*s24*z3)/(s124*s234*s34*z34) + 
   (2*s13*s24*z3)/(s123*s234*s34*z34) + (2*s13*s24*z3)/(s124*s234*s34*z34) + 
   (4*s13^2*s24*z3)/(s12*s123*s234*s34*z34) - 
   (4*s13*s24*z3)/(s134*s234*s34*z34) - (2*s14*s24*z3)/(s123*s234*s34*z34) - 
   (2*s14*s24*z3)/(s124*s234*s34*z34) + (4*s13*s14*s24*z3)/
    (s12*s123*s234*s34*z34) - (4*s13*s14*s24*z3)/(s12*s124*s234*s34*z34) - 
   (4*s14^2*s24*z3)/(s12*s124*s234*s34*z34) - 
   (4*s23*s24*z3)/(s123*s234*s34*z34) + (4*s23*s24*z3)/(s124*s234*s34*z34) + 
   (8*s13*s23*s24*z3)/(s12*s123*s234*s34*z34) - 
   (8*s14*s23*s24*z3)/(s12*s124*s234*s34*z34) - 
   (2*s24^2*z3)/(s123*s234*s34*z34) + (2*s24^2*z3)/(s124*s234*s34*z34) + 
   (4*s13*s24^2*z3)/(s12*s123*s234*s34*z34) - 
   (4*s14*s24^2*z3)/(s12*s124*s234*s34*z34) + (2*s34*z3)/(s123*s134*z34) - 
   (2*s34*z3)/(s124*s134*z34) - (4*s13*s34*z3)/(s12*s123*s134*z34) + 
   (4*s14*s34*z3)/(s12*s124*s134*z34) - (2*s34*z3)/(s123*s234*z34) + 
   (2*s34*z3)/(s124*s234*z34) + (4*s13*s34*z3)/(s12*s123*s234*z34) - 
   (4*s14*s34*z3)/(s12*s124*s234*z34) + (4*s12*z1*z3)/(s123*s134*z12*z34) - 
   (4*s12*z1*z3)/(s124*s134*z12*z34) + (12*s13*z1*z3)/(s123*s134*z12*z34) - 
   (8*s13*z1*z3)/(s124*s134*z12*z34) + (8*s13^2*z1*z3)/
    (s12*s123*s134*z12*z34) + (8*s14*z1*z3)/(s123*s134*z12*z34) - 
   (12*s14*z1*z3)/(s124*s134*z12*z34) + (8*s13*s14*z1*z3)/
    (s12*s123*s134*z12*z34) - (8*s13*s14*z1*z3)/(s12*s124*s134*z12*z34) - 
   (8*s14^2*z1*z3)/(s12*s124*s134*z12*z34) + 
   (8*s23*z1*z3)/(s123*s134*z12*z34) - (4*s23*z1*z3)/(s124*s134*z12*z34) + 
   (12*s13*s23*z1*z3)/(s12*s123*s134*z12*z34) + 
   (8*s14*s23*z1*z3)/(s12*s123*s134*z12*z34) - 
   (4*s14*s23*z1*z3)/(s12*s124*s134*z12*z34) + 
   (4*s23^2*z1*z3)/(s12*s123*s134*z12*z34) - 
   (4*s12*z1*z3)/(s123*s234*z12*z34) + (4*s12*z1*z3)/(s124*s234*z12*z34) - 
   (8*s13*z1*z3)/(s123*s234*z12*z34) + (4*s13*z1*z3)/(s124*s234*z12*z34) - 
   (4*s13^2*z1*z3)/(s12*s123*s234*z12*z34) - 
   (4*s14*z1*z3)/(s123*s234*z12*z34) + (8*s14*z1*z3)/(s124*s234*z12*z34) - 
   (4*s13*s14*z1*z3)/(s12*s123*s234*z12*z34) + 
   (4*s13*s14*z1*z3)/(s12*s124*s234*z12*z34) + 
   (4*s14^2*z1*z3)/(s12*s124*s234*z12*z34) - 
   (12*s23*z1*z3)/(s123*s234*z12*z34) + (8*s23*z1*z3)/(s124*s234*z12*z34) - 
   (12*s13*s23*z1*z3)/(s12*s123*s234*z12*z34) - 
   (4*s14*s23*z1*z3)/(s12*s123*s234*z12*z34) + 
   (8*s14*s23*z1*z3)/(s12*s124*s234*z12*z34) - 
   (8*s23^2*z1*z3)/(s12*s123*s234*z12*z34) + 
   (4*s24*z1*z3)/(s123*s134*z12*z34) - (8*s24*z1*z3)/(s124*s134*z12*z34) + 
   (4*s13*s24*z1*z3)/(s12*s123*s134*z12*z34) - 
   (8*s13*s24*z1*z3)/(s12*s124*s134*z12*z34) - 
   (12*s14*s24*z1*z3)/(s12*s124*s134*z12*z34) + 
   (4*s23*s24*z1*z3)/(s12*s123*s134*z12*z34) - 
   (4*s23*s24*z1*z3)/(s12*s124*s134*z12*z34) - 
   (8*s24*z1*z3)/(s123*s234*z12*z34) + (12*s24*z1*z3)/(s124*s234*z12*z34) - 
   (8*s13*s24*z1*z3)/(s12*s123*s234*z12*z34) + 
   (4*s13*s24*z1*z3)/(s12*s124*s234*z12*z34) + 
   (12*s14*s24*z1*z3)/(s12*s124*s234*z12*z34) - 
   (8*s23*s24*z1*z3)/(s12*s123*s234*z12*z34) + 
   (8*s23*s24*z1*z3)/(s12*s124*s234*z12*z34) - 
   (4*s24^2*z1*z3)/(s12*s124*s134*z12*z34) + 
   (8*s24^2*z1*z3)/(s12*s124*s234*z12*z34) + (4*s12*s13*z1*z3)/
    (s123*s134*s34*z12*z34) - (4*s12*s13*z1*z3)/(s124*s134*s34*z12*z34) + 
   (8*s13^2*z1*z3)/(s123*s134*s34*z12*z34) - 
   (4*s13^2*z1*z3)/(s124*s134*s34*z12*z34) + 
   (4*s13^3*z1*z3)/(s12*s123*s134*s34*z12*z34) + 
   (4*s12*s14*z1*z3)/(s123*s134*s34*z12*z34) - 
   (4*s12*s14*z1*z3)/(s124*s134*s34*z12*z34) + 
   (12*s13*s14*z1*z3)/(s123*s134*s34*z12*z34) - 
   (12*s13*s14*z1*z3)/(s124*s134*s34*z12*z34) + 
   (8*s13^2*s14*z1*z3)/(s12*s123*s134*s34*z12*z34) - 
   (4*s13^2*s14*z1*z3)/(s12*s124*s134*s34*z12*z34) + 
   (4*s14^2*z1*z3)/(s123*s134*s34*z12*z34) - 
   (8*s14^2*z1*z3)/(s124*s134*s34*z12*z34) + (4*s13*s14^2*z1*z3)/
    (s12*s123*s134*s34*z12*z34) - (8*s13*s14^2*z1*z3)/
    (s12*s124*s134*s34*z12*z34) - (4*s14^3*z1*z3)/(s12*s124*s134*s34*z12*
     z34) + (8*s13*s23*z1*z3)/(s123*s134*s34*z12*z34) - 
   (4*s13*s23*z1*z3)/(s124*s134*s34*z12*z34) + (8*s13^2*s23*z1*z3)/
    (s12*s123*s134*s34*z12*z34) + (8*s14*s23*z1*z3)/(s123*s134*s34*z12*z34) - 
   (4*s14*s23*z1*z3)/(s124*s134*s34*z12*z34) + (12*s13*s14*s23*z1*z3)/
    (s12*s123*s134*s34*z12*z34) - (4*s13*s14*s23*z1*z3)/
    (s12*s124*s134*s34*z12*z34) + (4*s14^2*s23*z1*z3)/
    (s12*s123*s134*s34*z12*z34) - (4*s14^2*s23*z1*z3)/
    (s12*s124*s134*s34*z12*z34) + (4*s13*s23^2*z1*z3)/
    (s12*s123*s134*s34*z12*z34) + (4*s14*s23^2*z1*z3)/
    (s12*s123*s134*s34*z12*z34) - (4*s12*s23*z1*z3)/(s123*s234*s34*z12*z34) + 
   (4*s12*s23*z1*z3)/(s124*s234*s34*z12*z34) - 
   (8*s13*s23*z1*z3)/(s123*s234*s34*z12*z34) + 
   (4*s13*s23*z1*z3)/(s124*s234*s34*z12*z34) - (4*s13^2*s23*z1*z3)/
    (s12*s123*s234*s34*z12*z34) - (4*s14*s23*z1*z3)/(s123*s234*s34*z12*z34) + 
   (8*s14*s23*z1*z3)/(s124*s234*s34*z12*z34) - (4*s13*s14*s23*z1*z3)/
    (s12*s123*s234*s34*z12*z34) + (4*s13*s14*s23*z1*z3)/
    (s12*s124*s234*s34*z12*z34) + (4*s14^2*s23*z1*z3)/
    (s12*s124*s234*s34*z12*z34) - (8*s23^2*z1*z3)/(s123*s234*s34*z12*z34) + 
   (4*s23^2*z1*z3)/(s124*s234*s34*z12*z34) - (8*s13*s23^2*z1*z3)/
    (s12*s123*s234*s34*z12*z34) - (4*s14*s23^2*z1*z3)/
    (s12*s123*s234*s34*z12*z34) + (4*s14*s23^2*z1*z3)/
    (s12*s124*s234*s34*z12*z34) - (4*s23^3*z1*z3)/(s12*s123*s234*s34*z12*
     z34) + (4*s13*s24*z1*z3)/(s123*s134*s34*z12*z34) - 
   (8*s13*s24*z1*z3)/(s124*s134*s34*z12*z34) + (4*s13^2*s24*z1*z3)/
    (s12*s123*s134*s34*z12*z34) - (4*s13^2*s24*z1*z3)/
    (s12*s124*s134*s34*z12*z34) + (4*s14*s24*z1*z3)/(s123*s134*s34*z12*z34) - 
   (8*s14*s24*z1*z3)/(s124*s134*s34*z12*z34) + (4*s13*s14*s24*z1*z3)/
    (s12*s123*s134*s34*z12*z34) - (12*s13*s14*s24*z1*z3)/
    (s12*s124*s134*s34*z12*z34) - (8*s14^2*s24*z1*z3)/
    (s12*s124*s134*s34*z12*z34) + (4*s13*s23*s24*z1*z3)/
    (s12*s123*s134*s34*z12*z34) - (4*s13*s23*s24*z1*z3)/
    (s12*s124*s134*s34*z12*z34) + (4*s14*s23*s24*z1*z3)/
    (s12*s123*s134*s34*z12*z34) - (4*s14*s23*s24*z1*z3)/
    (s12*s124*s134*s34*z12*z34) - (4*s12*s24*z1*z3)/(s123*s234*s34*z12*z34) + 
   (4*s12*s24*z1*z3)/(s124*s234*s34*z12*z34) - 
   (8*s13*s24*z1*z3)/(s123*s234*s34*z12*z34) + 
   (4*s13*s24*z1*z3)/(s124*s234*s34*z12*z34) - (4*s13^2*s24*z1*z3)/
    (s12*s123*s234*s34*z12*z34) - (4*s14*s24*z1*z3)/(s123*s234*s34*z12*z34) + 
   (8*s14*s24*z1*z3)/(s124*s234*s34*z12*z34) - (4*s13*s14*s24*z1*z3)/
    (s12*s123*s234*s34*z12*z34) + (4*s13*s14*s24*z1*z3)/
    (s12*s124*s234*s34*z12*z34) + (4*s14^2*s24*z1*z3)/
    (s12*s124*s234*s34*z12*z34) - (12*s23*s24*z1*z3)/
    (s123*s234*s34*z12*z34) + (12*s23*s24*z1*z3)/(s124*s234*s34*z12*z34) - 
   (12*s13*s23*s24*z1*z3)/(s12*s123*s234*s34*z12*z34) + 
   (4*s13*s23*s24*z1*z3)/(s12*s124*s234*s34*z12*z34) - 
   (4*s14*s23*s24*z1*z3)/(s12*s123*s234*s34*z12*z34) + 
   (12*s14*s23*s24*z1*z3)/(s12*s124*s234*s34*z12*z34) - 
   (8*s23^2*s24*z1*z3)/(s12*s123*s234*s34*z12*z34) + 
   (4*s23^2*s24*z1*z3)/(s12*s124*s234*s34*z12*z34) - 
   (4*s13*s24^2*z1*z3)/(s12*s124*s134*s34*z12*z34) - 
   (4*s14*s24^2*z1*z3)/(s12*s124*s134*s34*z12*z34) - 
   (4*s24^2*z1*z3)/(s123*s234*s34*z12*z34) + 
   (8*s24^2*z1*z3)/(s124*s234*s34*z12*z34) - (4*s13*s24^2*z1*z3)/
    (s12*s123*s234*s34*z12*z34) + (4*s13*s24^2*z1*z3)/
    (s12*s124*s234*s34*z12*z34) + (8*s14*s24^2*z1*z3)/
    (s12*s124*s234*s34*z12*z34) - (4*s23*s24^2*z1*z3)/
    (s12*s123*s234*s34*z12*z34) + (8*s23*s24^2*z1*z3)/
    (s12*s124*s234*s34*z12*z34) + (4*s24^3*z1*z3)/(s12*s124*s234*s34*z12*
     z34) + (4*s34*z1*z3)/(s123*s134*z12*z34) - 
   (4*s34*z1*z3)/(s124*s134*z12*z34) + (4*s13*s34*z1*z3)/
    (s12*s123*s134*z12*z34) - (4*s14*s34*z1*z3)/(s12*s124*s134*z12*z34) + 
   (4*s23*s34*z1*z3)/(s12*s123*s134*z12*z34) - 
   (4*s34*z1*z3)/(s123*s234*z12*z34) + (4*s34*z1*z3)/(s124*s234*z12*z34) - 
   (4*s13*s34*z1*z3)/(s12*s123*s234*z12*z34) + 
   (4*s14*s34*z1*z3)/(s12*s124*s234*z12*z34) - 
   (4*s23*s34*z1*z3)/(s12*s123*s234*z12*z34) - 
   (4*s24*s34*z1*z3)/(s12*s124*s134*z12*z34) + 
   (4*s24*s34*z1*z3)/(s12*s124*s234*z12*z34) - (2*s13*z4)/(s123*s134*z12) + 
   (2*s13*z4)/(s124*s134*z12) - (2*s13^2*z4)/(s12*s123*s134*z12) + 
   (2*s13*s14*z4)/(s12*s124*s134*z12) - (2*s13*s23*z4)/(s12*s123*s134*z12) - 
   (2*s13*z4)/(s123*s234*z12) + (2*s13*z4)/(s124*s234*z12) - 
   (2*s13^2*z4)/(s12*s123*s234*z12) + (2*s13*s14*z4)/(s12*s124*s234*z12) - 
   (2*s13*s23*z4)/(s12*s123*s234*z12) + (2*s13*s24*z4)/(s12*s124*s134*z12) + 
   (2*s13*s24*z4)/(s12*s124*s234*z12) - (2*s12*s13*z4)/(s123*s134*s34*z12) + 
   (2*s12*s13*z4)/(s124*s134*s34*z12) - (4*s13^2*z4)/(s123*s134*s34*z12) + 
   (2*s13^2*z4)/(s124*s134*s34*z12) - (2*s13^3*z4)/(s12*s123*s134*s34*z12) - 
   (2*s13*s14*z4)/(s123*s134*s34*z12) + (4*s13*s14*z4)/(s124*s134*s34*z12) - 
   (2*s13^2*s14*z4)/(s12*s123*s134*s34*z12) + 
   (2*s13^2*s14*z4)/(s12*s124*s134*s34*z12) + 
   (2*s13*s14^2*z4)/(s12*s124*s134*s34*z12) - 
   (4*s13*s23*z4)/(s123*s134*s34*z12) + (2*s13*s23*z4)/(s124*s134*s34*z12) - 
   (4*s13^2*s23*z4)/(s12*s123*s134*s34*z12) - (2*s13*s14*s23*z4)/
    (s12*s123*s134*s34*z12) + (2*s13*s14*s23*z4)/(s12*s124*s134*s34*z12) - 
   (2*s13*s23^2*z4)/(s12*s123*s134*s34*z12) - 
   (2*s12*s13*z4)/(s123*s234*s34*z12) + (2*s12*s13*z4)/(s124*s234*s34*z12) - 
   (4*s13^2*z4)/(s123*s234*s34*z12) + (2*s13^2*z4)/(s124*s234*s34*z12) - 
   (2*s13^3*z4)/(s12*s123*s234*s34*z12) - (2*s13*s14*z4)/
    (s123*s234*s34*z12) + (4*s13*s14*z4)/(s124*s234*s34*z12) - 
   (2*s13^2*s14*z4)/(s12*s123*s234*s34*z12) + 
   (2*s13^2*s14*z4)/(s12*s124*s234*s34*z12) + 
   (2*s13*s14^2*z4)/(s12*s124*s234*s34*z12) - 
   (4*s13*s23*z4)/(s123*s234*s34*z12) + (2*s13*s23*z4)/(s124*s234*s34*z12) - 
   (4*s13^2*s23*z4)/(s12*s123*s234*s34*z12) - (2*s13*s14*s23*z4)/
    (s12*s123*s234*s34*z12) + (2*s13*s14*s23*z4)/(s12*s124*s234*s34*z12) - 
   (2*s13*s23^2*z4)/(s12*s123*s234*s34*z12) - 
   (2*s13*s24*z4)/(s123*s134*s34*z12) + (4*s13*s24*z4)/(s124*s134*s34*z12) - 
   (2*s13^2*s24*z4)/(s12*s123*s134*s34*z12) + 
   (2*s13^2*s24*z4)/(s12*s124*s134*s34*z12) + (4*s13*s14*s24*z4)/
    (s12*s124*s134*s34*z12) - (2*s13*s23*s24*z4)/(s12*s123*s134*s34*z12) + 
   (2*s13*s23*s24*z4)/(s12*s124*s134*s34*z12) - 
   (2*s13*s24*z4)/(s123*s234*s34*z12) + (4*s13*s24*z4)/(s124*s234*s34*z12) - 
   (2*s13^2*s24*z4)/(s12*s123*s234*s34*z12) + 
   (2*s13^2*s24*z4)/(s12*s124*s234*s34*z12) + (4*s13*s14*s24*z4)/
    (s12*s124*s234*s34*z12) - (2*s13*s23*s24*z4)/(s12*s123*s234*s34*z12) + 
   (2*s13*s23*s24*z4)/(s12*s124*s234*s34*z12) + 
   (2*s13*s24^2*z4)/(s12*s124*s134*s34*z12) + 
   (2*s13*s24^2*z4)/(s12*s124*s234*s34*z12) - (2*s13*z4)/(s134^2*z34) + 
   (2*s13*z4)/(s134*s234*z34) - (2*s12*s13^2*z4)/(s134^2*s34^2*z34) - 
   (2*s13^3*z4)/(s134^2*s34^2*z34) - (2*s12*s13*s14*z4)/(s134^2*s34^2*z34) - 
   (4*s13^2*s14*z4)/(s134^2*s34^2*z34) - (2*s13*s14^2*z4)/
    (s134^2*s34^2*z34) - (2*s13^2*s23*z4)/(s134^2*s34^2*z34) - 
   (2*s13*s14*s23*z4)/(s134^2*s34^2*z34) + (2*s12*s13*s23*z4)/
    (s134*s234*s34^2*z34) + (2*s13^2*s23*z4)/(s134*s234*s34^2*z34) + 
   (2*s13*s14*s23*z4)/(s134*s234*s34^2*z34) + 
   (2*s13*s23^2*z4)/(s134*s234*s34^2*z34) - (2*s13^2*s24*z4)/
    (s134^2*s34^2*z34) - (2*s13*s14*s24*z4)/(s134^2*s34^2*z34) + 
   (2*s12*s13*s24*z4)/(s134*s234*s34^2*z34) + 
   (2*s13^2*s24*z4)/(s134*s234*s34^2*z34) + (2*s13*s14*s24*z4)/
    (s134*s234*s34^2*z34) + (4*s13*s23*s24*z4)/(s134*s234*s34^2*z34) + 
   (2*s13*s24^2*z4)/(s134*s234*s34^2*z34) - (2*s12*s13*z4)/(s134^2*s34*z34) - 
   (4*s13^2*z4)/(s134^2*s34*z34) - (4*s13*s14*z4)/(s134^2*s34*z34) - 
   (2*s13*s23*z4)/(s134^2*s34*z34) + (2*s12*s13*z4)/(s134*s234*s34*z34) + 
   (2*s13^2*z4)/(s134*s234*s34*z34) + (2*s13*s14*z4)/(s134*s234*s34*z34) + 
   (4*s13*s23*z4)/(s134*s234*s34*z34) - (2*s13*s24*z4)/(s134^2*s34*z34) + 
   (4*s13*s24*z4)/(s134*s234*s34*z34)) + 
 k1k4*((-2*s13)/s123^2 + (D*s13)/s123^2 - (4*s13)/(s123*s124) + 
   (D*s13)/(s123*s124) - (2*s13^2)/(s12*s123^2) + (D*s13^2)/(s12*s123^2) - 
   (4*s13^2)/(s12*s123*s124) + (D*s13^2)/(s12*s123*s124) - 
   (4*s12)/(s123*s134) + (D*s12)/(s123*s134) - (D*s12)/(s124*s134) - 
   (8*s13)/(s123*s134) + (D*s13)/(s123*s134) - (D*s13)/(s124*s134) - 
   (2*s13*s14)/(s12*s123^2) + (D*s13*s14)/(s12*s123^2) - 
   (4*s13*s14)/(s12*s123*s124) + (D*s13*s14)/(s12*s123*s124) - 
   (4*s14)/(s123*s134) + (D*s14)/(s123*s134) - (D*s14)/(s124*s134) - 
   (4*s23)/s123^2 + (D*s23)/s123^2 - (6*s23)/(s123*s124) + 
   (D*s23)/(s123*s124) - (4*s13*s23)/(s12*s123^2) + 
   (2*D*s13*s23)/(s12*s123^2) - (10*s13*s23)/(s12*s123*s124) + 
   (2*D*s13*s23)/(s12*s123*s124) + (2*s13^2*s23)/(s12^2*s123^2) - 
   (8*s23)/(s123*s134) + (D*s23)/(s123*s134) - (D*s23)/(s124*s134) - 
   (D*s13*s23)/(s12*s123*s134) + (4*s13*s23)/(s12*s124*s134) - 
   (D*s13*s23)/(s12*s124*s134) - (4*s14*s23)/(s12*s123^2) + 
   (D*s14*s23)/(s12*s123^2) - (8*s14*s23)/(s12*s123*s124) + 
   (D*s14*s23)/(s12*s123*s124) + (2*s13*s14*s23)/(s12^2*s123^2) - 
   (2*s13*s14*s23)/(s12^2*s123*s124) - (4*s14*s23)/(s12*s123*s134) - 
   (4*s14*s23)/(s12*s124*s134) - (2*s14^2*s23)/(s12^2*s123*s124) - 
   (6*s23^2)/(s12*s123^2) + (D*s23^2)/(s12*s123^2) - 
   (6*s23^2)/(s12*s123*s124) + (D*s23^2)/(s12*s123*s124) - 
   (D*s23^2)/(s12*s123*s134) + (4*s23^2)/(s12*s124*s134) - 
   (D*s23^2)/(s12*s124*s134) - (2*s14*s23^2)/(s12^2*s123^2) - 
   (2*s14*s23^2)/(s12^2*s123*s124) - (2*s23^3)/(s12^2*s123^2) - 
   (4*s23)/s234^2 + (D*s23)/s234^2 - (D*s12)/(s123*s234) - 
   (4*s12)/(s124*s234) + (D*s12)/(s124*s234) - (D*s13)/(s123*s234) - 
   (4*s13)/(s124*s234) + (D*s13)/(s124*s234) + (2*s12)/(s134*s234) - 
   (D*s14)/(s123*s234) - (4*s14)/(s124*s234) + (D*s14)/(s124*s234) - 
   (D*s23)/(s123*s234) - (8*s23)/(s124*s234) + (D*s23)/(s124*s234) + 
   (4*s13*s23)/(s12*s123*s234) - (D*s13*s23)/(s12*s123*s234) + 
   (4*s13*s23)/(s12*s124*s234) - (D*s13*s23)/(s12*s124*s234) - 
   (6*s23)/(s134*s234) + (D*s23)/(s134*s234) + (4*s14*s23)/(s12*s123*s234) - 
   (4*s23^2)/(s12*s123*s234) - (D*s23^2)/(s12*s123*s234) + 
   (4*s23^2)/(s12*s124*s234) - (D*s23^2)/(s12*s124*s234) - 
   (2*s13*s24)/(s12*s123^2) + (D*s13*s24)/(s12*s123^2) - 
   (4*s13*s24)/(s12*s123*s124) + (D*s13*s24)/(s12*s123*s124) - 
   (4*s24)/(s123*s134) + (D*s24)/(s123*s134) - (D*s24)/(s124*s134) + 
   (4*s13*s24)/(s12*s123*s134) - (D*s13*s24)/(s12*s123*s134) - 
   (D*s13*s24)/(s12*s124*s134) - (4*s23*s24)/(s12*s123^2) + 
   (D*s23*s24)/(s12*s123^2) - (4*s23*s24)/(s12*s123*s124) + 
   (D*s23*s24)/(s12*s123*s124) + (2*s13*s23*s24)/(s12^2*s123^2) + 
   (2*s13*s23*s24)/(s12^2*s123*s124) - (D*s23*s24)/(s12*s123*s134) + 
   (4*s23*s24)/(s12*s124*s134) - (D*s23*s24)/(s12*s124*s134) - 
   (2*s23^2*s24)/(s12^2*s123^2) + (2*s23^2*s24)/(s12^2*s123*s124) - 
   (2*s24)/s234^2 + (D*s24)/s234^2 - (D*s24)/(s123*s234) - 
   (8*s24)/(s124*s234) + (D*s24)/(s124*s234) - (D*s13*s24)/(s12*s123*s234) - 
   (D*s13*s24)/(s12*s124*s234) - (4*s24)/(s134*s234) + (D*s24)/(s134*s234) - 
   (4*s14*s24)/(s12*s124*s234) + (4*s23*s24)/(s12*s123*s234) - 
   (D*s23*s24)/(s12*s123*s234) - (D*s23*s24)/(s12*s124*s234) + 
   (2*s23*s24^2)/(s12^2*s123*s124) - (4*s24^2)/(s12*s124*s234) - 
   (2*s12*s23^2)/(s234^2*s34^2) - (2*s13*s23^2)/(s234^2*s34^2) - 
   (2*s14*s23^2)/(s234^2*s34^2) - (2*s23^3)/(s234^2*s34^2) + 
   (2*s12*s13*s23)/(s134*s234*s34^2) + (2*s13^2*s23)/(s134*s234*s34^2) - 
   (2*s12*s14*s23)/(s134*s234*s34^2) - (2*s14^2*s23)/(s134*s234*s34^2) + 
   (2*s13*s23^2)/(s134*s234*s34^2) - (2*s14*s23^2)/(s134*s234*s34^2) + 
   (2*s12*s23*s24)/(s234^2*s34^2) + (2*s13*s23*s24)/(s234^2*s34^2) + 
   (2*s14*s23*s24)/(s234^2*s34^2) + (2*s13*s23*s24)/(s134*s234*s34^2) - 
   (2*s14*s23*s24)/(s134*s234*s34^2) + (2*s23*s24^2)/(s234^2*s34^2) - 
   (4*s12*s13)/(s123*s134*s34) - (4*s13^2)/(s123*s134*s34) - 
   (4*s13*s14)/(s123*s134*s34) - (D*s13*s23)/(s123*s134*s34) + 
   (4*s13*s23)/(s124*s134*s34) - (D*s13*s23)/(s124*s134*s34) + 
   (4*s13^2*s23)/(s12*s123*s134*s34) - (D*s13^2*s23)/(s12*s123*s134*s34) + 
   (4*s13^2*s23)/(s12*s124*s134*s34) - (D*s13^2*s23)/(s12*s124*s134*s34) - 
   (4*s14*s23)/(s124*s134*s34) + (4*s13*s14*s23)/(s12*s123*s134*s34) - 
   (D*s13*s14*s23)/(s12*s123*s134*s34) - (D*s13*s14*s23)/
    (s12*s124*s134*s34) - (4*s14^2*s23)/(s12*s124*s134*s34) + 
   (4*s23^2)/(s123*s134*s34) - (D*s23^2)/(s123*s134*s34) + 
   (4*s23^2)/(s124*s134*s34) - (D*s23^2)/(s124*s134*s34) + 
   (8*s13*s23^2)/(s12*s123*s134*s34) - (2*D*s13*s23^2)/(s12*s123*s134*s34) + 
   (8*s13*s23^2)/(s12*s124*s134*s34) - (2*D*s13*s23^2)/(s12*s124*s134*s34) + 
   (4*s14*s23^2)/(s12*s123*s134*s34) - (D*s14*s23^2)/(s12*s123*s134*s34) - 
   (D*s14*s23^2)/(s12*s124*s134*s34) + (4*s23^3)/(s12*s123*s134*s34) - 
   (D*s23^3)/(s12*s123*s134*s34) + (4*s23^3)/(s12*s124*s134*s34) - 
   (D*s23^3)/(s12*s124*s134*s34) - (4*s12*s23)/(s234^2*s34) + 
   (D*s12*s23)/(s234^2*s34) - (4*s13*s23)/(s234^2*s34) + 
   (D*s13*s23)/(s234^2*s34) - (4*s14*s23)/(s234^2*s34) + 
   (D*s14*s23)/(s234^2*s34) - (6*s23^2)/(s234^2*s34) + 
   (D*s23^2)/(s234^2*s34) + (2*s12^2)/(s134*s234*s34) + 
   (2*s12*s13)/(s134*s234*s34) + (2*s12*s14)/(s134*s234*s34) - 
   (4*s12*s23)/(s124*s234*s34) + (4*s13*s23)/(s123*s234*s34) - 
   (D*s13*s23)/(s123*s234*s34) - (D*s13*s23)/(s124*s234*s34) + 
   (4*s13^2*s23)/(s12*s123*s234*s34) - (D*s13^2*s23)/(s12*s123*s234*s34) + 
   (4*s13^2*s23)/(s12*s124*s234*s34) - (D*s13^2*s23)/(s12*s124*s234*s34) - 
   (4*s12*s23)/(s134*s234*s34) + (D*s12*s23)/(s134*s234*s34) - 
   (4*s13*s23)/(s134*s234*s34) + (D*s13*s23)/(s134*s234*s34) + 
   (4*s14*s23)/(s123*s234*s34) - (4*s14*s23)/(s124*s234*s34) + 
   (8*s13*s14*s23)/(s12*s123*s234*s34) - (D*s13*s14*s23)/
    (s12*s123*s234*s34) + (4*s13*s14*s23)/(s12*s124*s234*s34) - 
   (D*s13*s14*s23)/(s12*s124*s234*s34) - (8*s14*s23)/(s134*s234*s34) + 
   (D*s14*s23)/(s134*s234*s34) + (4*s14^2*s23)/(s12*s123*s234*s34) - 
   (4*s23^2)/(s123*s234*s34) - (D*s23^2)/(s123*s234*s34) - 
   (D*s23^2)/(s124*s234*s34) - (2*D*s13*s23^2)/(s12*s123*s234*s34) + 
   (8*s13*s23^2)/(s12*s124*s234*s34) - (2*D*s13*s23^2)/(s12*s124*s234*s34) - 
   (6*s23^2)/(s134*s234*s34) + (D*s23^2)/(s134*s234*s34) - 
   (D*s14*s23^2)/(s12*s123*s234*s34) + (4*s14*s23^2)/(s12*s124*s234*s34) - 
   (D*s14*s23^2)/(s12*s124*s234*s34) - (4*s23^3)/(s12*s123*s234*s34) - 
   (D*s23^3)/(s12*s123*s234*s34) + (4*s23^3)/(s12*s124*s234*s34) - 
   (D*s23^3)/(s12*s124*s234*s34) - (D*s13*s24)/(s123*s134*s34) - 
   (D*s13*s24)/(s124*s134*s34) + (4*s13^2*s24)/(s12*s123*s134*s34) - 
   (D*s13^2*s24)/(s12*s123*s134*s34) - (D*s13^2*s24)/(s12*s124*s134*s34) + 
   (4*s13*s14*s24)/(s12*s123*s134*s34) - (D*s13*s14*s24)/
    (s12*s123*s134*s34) - (D*s13*s14*s24)/(s12*s124*s134*s34) + 
   (4*s23*s24)/(s123*s134*s34) - (D*s23*s24)/(s123*s134*s34) + 
   (4*s23*s24)/(s124*s134*s34) - (D*s23*s24)/(s124*s134*s34) + 
   (12*s13*s23*s24)/(s12*s123*s134*s34) - (3*D*s13*s23*s24)/
    (s12*s123*s134*s34) + (8*s13*s23*s24)/(s12*s124*s134*s34) - 
   (3*D*s13*s23*s24)/(s12*s124*s134*s34) + (4*s14*s23*s24)/
    (s12*s123*s134*s34) - (D*s14*s23*s24)/(s12*s123*s134*s34) - 
   (D*s14*s23*s24)/(s12*s124*s134*s34) + (8*s23^2*s24)/(s12*s123*s134*s34) - 
   (2*D*s23^2*s24)/(s12*s123*s134*s34) + (8*s23^2*s24)/(s12*s124*s134*s34) - 
   (2*D*s23^2*s24)/(s12*s124*s134*s34) - (2*s12*s24)/(s234^2*s34) + 
   (D*s12*s24)/(s234^2*s34) - (2*s13*s24)/(s234^2*s34) + 
   (D*s13*s24)/(s234^2*s34) - (2*s14*s24)/(s234^2*s34) + 
   (D*s14*s24)/(s234^2*s34) - (4*s23*s24)/(s234^2*s34) + 
   (2*D*s23*s24)/(s234^2*s34) - (D*s13*s24)/(s123*s234*s34) + 
   (4*s13*s24)/(s124*s234*s34) - (D*s13*s24)/(s124*s234*s34) - 
   (D*s13^2*s24)/(s12*s123*s234*s34) + (4*s13^2*s24)/(s12*s124*s234*s34) - 
   (D*s13^2*s24)/(s12*s124*s234*s34) - (2*s12*s24)/(s134*s234*s34) + 
   (D*s12*s24)/(s134*s234*s34) - (4*s13*s24)/(s134*s234*s34) + 
   (D*s13*s24)/(s134*s234*s34) - (D*s13*s14*s24)/(s12*s123*s234*s34) + 
   (4*s13*s14*s24)/(s12*s124*s234*s34) - (D*s13*s14*s24)/
    (s12*s124*s234*s34) - (4*s14*s24)/(s134*s234*s34) + 
   (D*s14*s24)/(s134*s234*s34) + (4*s23*s24)/(s123*s234*s34) - 
   (D*s23*s24)/(s123*s234*s34) - (D*s23*s24)/(s124*s234*s34) + 
   (8*s13*s23*s24)/(s12*s123*s234*s34) - (3*D*s13*s23*s24)/
    (s12*s123*s234*s34) + (12*s13*s23*s24)/(s12*s124*s234*s34) - 
   (3*D*s13*s23*s24)/(s12*s124*s234*s34) - (10*s23*s24)/(s134*s234*s34) + 
   (2*D*s23*s24)/(s134*s234*s34) + (8*s14*s23*s24)/(s12*s123*s234*s34) - 
   (D*s14*s23*s24)/(s12*s123*s234*s34) + (4*s14*s23*s24)/
    (s12*s124*s234*s34) - (D*s14*s23*s24)/(s12*s124*s234*s34) - 
   (2*D*s23^2*s24)/(s12*s123*s234*s34) + (8*s23^2*s24)/(s12*s124*s234*s34) - 
   (2*D*s23^2*s24)/(s12*s124*s234*s34) + (4*s13*s24^2)/(s12*s123*s134*s34) - 
   (D*s13*s24^2)/(s12*s123*s134*s34) - (D*s13*s24^2)/(s12*s124*s134*s34) + 
   (4*s23*s24^2)/(s12*s123*s134*s34) - (D*s23*s24^2)/(s12*s123*s134*s34) + 
   (4*s23*s24^2)/(s12*s124*s134*s34) - (D*s23*s24^2)/(s12*s124*s134*s34) - 
   (2*s24^2)/(s234^2*s34) + (D*s24^2)/(s234^2*s34) - 
   (D*s13*s24^2)/(s12*s123*s234*s34) + (4*s13*s24^2)/(s12*s124*s234*s34) - 
   (D*s13*s24^2)/(s12*s124*s234*s34) - (4*s24^2)/(s134*s234*s34) + 
   (D*s24^2)/(s134*s234*s34) + (4*s23*s24^2)/(s12*s123*s234*s34) - 
   (D*s23*s24^2)/(s12*s123*s234*s34) + (4*s23*s24^2)/(s12*s124*s234*s34) - 
   (D*s23*s24^2)/(s12*s124*s234*s34) + (2*s34)/(s123*s124) - 
   (2*s13*s34)/(s12*s123^2) + (D*s13*s34)/(s12*s123^2) - 
   (2*s13*s34)/(s12*s123*s124) + (D*s13*s34)/(s12*s123*s124) - 
   (4*s34)/(s123*s134) + (D*s34)/(s123*s134) - (D*s34)/(s124*s134) + 
   (2*s14*s34)/(s12*s123*s124) - (4*s23*s34)/(s12*s123^2) + 
   (D*s23*s34)/(s12*s123^2) - (4*s23*s34)/(s12*s123*s124) + 
   (D*s23*s34)/(s12*s123*s124) + (2*s13*s23*s34)/(s12^2*s123^2) - 
   (4*s23*s34)/(s12*s123*s134) - (2*s14*s23*s34)/(s12^2*s123*s124) - 
   (2*s23^2*s34)/(s12^2*s123^2) - (D*s34)/(s123*s234) - (4*s34)/(s124*s234) + 
   (D*s34)/(s124*s234) + (2*s24*s34)/(s12*s123*s124) + 
   (2*s23*s24*s34)/(s12^2*s123*s124) - (4*s24*s34)/(s12*s124*s234) + 
   (2*s34^2)/(s12*s123*s124) - (2*s23*z1)/(s123^2*z12) + 
   (2*s23*z1)/(s123*s124*z12) - (4*s13*s23*z1)/(s12*s123^2*z12) + 
   (2*s13*s23*z1)/(s12*s123*s124*z12) - (2*s13^2*s23*z1)/(s12^2*s123^2*z12) - 
   (2*s14*s23*z1)/(s12*s123^2*z12) + (4*s14*s23*z1)/(s12*s123*s124*z12) - 
   (2*s13*s14*s23*z1)/(s12^2*s123^2*z12) + (2*s13*s14*s23*z1)/
    (s12^2*s123*s124*z12) + (2*s14^2*s23*z1)/(s12^2*s123*s124*z12) - 
   (4*s23^2*z1)/(s12*s123^2*z12) + (2*s23^2*z1)/(s12*s123*s124*z12) - 
   (4*s13*s23^2*z1)/(s12^2*s123^2*z12) - (2*s14*s23^2*z1)/
    (s12^2*s123^2*z12) + (2*s14*s23^2*z1)/(s12^2*s123*s124*z12) - 
   (2*s23^3*z1)/(s12^2*s123^2*z12) - (2*s23*s24*z1)/(s12*s123^2*z12) + 
   (4*s23*s24*z1)/(s12*s123*s124*z12) - (2*s13*s23*s24*z1)/
    (s12^2*s123^2*z12) + (2*s13*s23*s24*z1)/(s12^2*s123*s124*z12) + 
   (4*s14*s23*s24*z1)/(s12^2*s123*s124*z12) - 
   (2*s23^2*s24*z1)/(s12^2*s123^2*z12) + (2*s23^2*s24*z1)/
    (s12^2*s123*s124*z12) + (2*s23*s24^2*z1)/(s12^2*s123*s124*z12) - 
   (2*s23*s34*z1)/(s12*s123^2*z12) + (2*s23*s34*z1)/(s12*s123*s124*z12) - 
   (2*s13*s23*s34*z1)/(s12^2*s123^2*z12) + (2*s14*s23*s34*z1)/
    (s12^2*s123*s124*z12) - (2*s23^2*s34*z1)/(s12^2*s123^2*z12) + 
   (2*s23*s24*s34*z1)/(s12^2*s123*s124*z12) + (2*s12*z2)/(s123*s134*z12) - 
   (2*s12*z2)/(s124*s134*z12) + (2*s13*z2)/(s124*s134*z12) - 
   (2*s13^2*z2)/(s12*s123*s134*z12) + (2*s14*z2)/(s123*s134*z12) - 
   (4*s14*z2)/(s124*s134*z12) + (2*s13*s14*z2)/(s12*s123*s134*z12) + 
   (2*s13*s14*z2)/(s12*s124*s134*z12) - (2*s14^2*z2)/(s12*s124*s134*z12) + 
   (2*s23*z2)/(s123^2*z12) - (2*s23*z2)/(s123*s124*z12) + 
   (4*s13*s23*z2)/(s12*s123^2*z12) - (2*s13*s23*z2)/(s12*s123*s124*z12) + 
   (2*s13^2*s23*z2)/(s12^2*s123^2*z12) + (4*s23*z2)/(s123*s134*z12) - 
   (2*s23*z2)/(s124*s134*z12) + (2*s14*s23*z2)/(s12*s123^2*z12) - 
   (4*s14*s23*z2)/(s12*s123*s124*z12) + (2*s13*s14*s23*z2)/
    (s12^2*s123^2*z12) - (2*s13*s14*s23*z2)/(s12^2*s123*s124*z12) + 
   (2*s14*s23*z2)/(s12*s123*s134*z12) - (2*s14*s23*z2)/(s12*s124*s134*z12) - 
   (2*s14^2*s23*z2)/(s12^2*s123*s124*z12) + (4*s23^2*z2)/(s12*s123^2*z12) - 
   (2*s23^2*z2)/(s12*s123*s124*z12) + (4*s13*s23^2*z2)/(s12^2*s123^2*z12) + 
   (2*s23^2*z2)/(s12*s123*s134*z12) + (2*s14*s23^2*z2)/(s12^2*s123^2*z12) - 
   (2*s14*s23^2*z2)/(s12^2*s123*s124*z12) + (2*s23^3*z2)/(s12^2*s123^2*z12) - 
   (2*s12*z2)/(s123*s234*z12) + (2*s12*z2)/(s124*s234*z12) - 
   (4*s13*z2)/(s123*s234*z12) + (2*s13*z2)/(s124*s234*z12) - 
   (2*s13^2*z2)/(s12*s123*s234*z12) - (2*s14*z2)/(s123*s234*z12) + 
   (4*s14*z2)/(s124*s234*z12) - (2*s13*s14*z2)/(s12*s123*s234*z12) + 
   (2*s13*s14*z2)/(s12*s124*s234*z12) + (2*s14^2*z2)/(s12*s124*s234*z12) - 
   (2*s23*z2)/(s124*s234*z12) - (2*s14*s23*z2)/(s12*s123*s234*z12) - 
   (2*s14*s23*z2)/(s12*s124*s234*z12) + (2*s23^2*z2)/(s12*s123*s234*z12) + 
   (2*s24*z2)/(s123*s134*z12) - (4*s24*z2)/(s124*s134*z12) + 
   (2*s13*s24*z2)/(s12*s123*s134*z12) + (2*s13*s24*z2)/(s12*s124*s134*z12) - 
   (4*s14*s24*z2)/(s12*s124*s134*z12) + (2*s23*s24*z2)/(s12*s123^2*z12) - 
   (4*s23*s24*z2)/(s12*s123*s124*z12) + (2*s13*s23*s24*z2)/
    (s12^2*s123^2*z12) - (2*s13*s23*s24*z2)/(s12^2*s123*s124*z12) + 
   (2*s23*s24*z2)/(s12*s123*s134*z12) - (2*s23*s24*z2)/(s12*s124*s134*z12) - 
   (4*s14*s23*s24*z2)/(s12^2*s123*s124*z12) + 
   (2*s23^2*s24*z2)/(s12^2*s123^2*z12) - (2*s23^2*s24*z2)/
    (s12^2*s123*s124*z12) - (2*s24*z2)/(s123*s234*z12) + 
   (4*s24*z2)/(s124*s234*z12) - (2*s13*s24*z2)/(s12*s123*s234*z12) + 
   (2*s13*s24*z2)/(s12*s124*s234*z12) + (4*s14*s24*z2)/(s12*s124*s234*z12) - 
   (2*s23*s24*z2)/(s12*s123*s234*z12) - (2*s23*s24*z2)/(s12*s124*s234*z12) - 
   (2*s24^2*z2)/(s12*s124*s134*z12) - (2*s23*s24^2*z2)/
    (s12^2*s123*s124*z12) + (2*s24^2*z2)/(s12*s124*s234*z12) - 
   (4*s12*s13*z2)/(s123*s134*s34*z12) + (4*s12*s13*z2)/(s124*s134*s34*z12) - 
   (8*s13^2*z2)/(s123*s134*s34*z12) + (4*s13^2*z2)/(s124*s134*s34*z12) - 
   (4*s13^3*z2)/(s12*s123*s134*s34*z12) - (4*s13*s14*z2)/
    (s123*s134*s34*z12) + (8*s13*s14*z2)/(s124*s134*s34*z12) - 
   (4*s13^2*s14*z2)/(s12*s123*s134*s34*z12) + 
   (4*s13^2*s14*z2)/(s12*s124*s134*s34*z12) + 
   (4*s13*s14^2*z2)/(s12*s124*s134*s34*z12) - 
   (8*s13*s23*z2)/(s123*s134*s34*z12) + (4*s13*s23*z2)/(s124*s134*s34*z12) - 
   (8*s13^2*s23*z2)/(s12*s123*s134*s34*z12) - (4*s13*s14*s23*z2)/
    (s12*s123*s134*s34*z12) + (4*s13*s14*s23*z2)/(s12*s124*s134*s34*z12) - 
   (4*s13*s23^2*z2)/(s12*s123*s134*s34*z12) + 
   (4*s12*s23*z2)/(s123*s234*s34*z12) - (4*s12*s23*z2)/(s124*s234*s34*z12) + 
   (8*s13*s23*z2)/(s123*s234*s34*z12) - (4*s13*s23*z2)/(s124*s234*s34*z12) + 
   (4*s13^2*s23*z2)/(s12*s123*s234*s34*z12) + 
   (4*s14*s23*z2)/(s123*s234*s34*z12) - (8*s14*s23*z2)/(s124*s234*s34*z12) + 
   (4*s13*s14*s23*z2)/(s12*s123*s234*s34*z12) - 
   (4*s13*s14*s23*z2)/(s12*s124*s234*s34*z12) - 
   (4*s14^2*s23*z2)/(s12*s124*s234*s34*z12) + 
   (8*s23^2*z2)/(s123*s234*s34*z12) - (4*s23^2*z2)/(s124*s234*s34*z12) + 
   (8*s13*s23^2*z2)/(s12*s123*s234*s34*z12) + 
   (4*s14*s23^2*z2)/(s12*s123*s234*s34*z12) - 
   (4*s14*s23^2*z2)/(s12*s124*s234*s34*z12) + 
   (4*s23^3*z2)/(s12*s123*s234*s34*z12) - (4*s13*s24*z2)/
    (s123*s134*s34*z12) + (8*s13*s24*z2)/(s124*s134*s34*z12) - 
   (4*s13^2*s24*z2)/(s12*s123*s134*s34*z12) + 
   (4*s13^2*s24*z2)/(s12*s124*s134*s34*z12) + (8*s13*s14*s24*z2)/
    (s12*s124*s134*s34*z12) - (4*s13*s23*s24*z2)/(s12*s123*s134*s34*z12) + 
   (4*s13*s23*s24*z2)/(s12*s124*s134*s34*z12) + 
   (4*s23*s24*z2)/(s123*s234*s34*z12) - (8*s23*s24*z2)/(s124*s234*s34*z12) + 
   (4*s13*s23*s24*z2)/(s12*s123*s234*s34*z12) - 
   (4*s13*s23*s24*z2)/(s12*s124*s234*s34*z12) - 
   (8*s14*s23*s24*z2)/(s12*s124*s234*s34*z12) + 
   (4*s23^2*s24*z2)/(s12*s123*s234*s34*z12) - 
   (4*s23^2*s24*z2)/(s12*s124*s234*s34*z12) + 
   (4*s13*s24^2*z2)/(s12*s124*s134*s34*z12) - 
   (4*s23*s24^2*z2)/(s12*s124*s234*s34*z12) + (2*s34*z2)/(s123*s134*z12) - 
   (2*s34*z2)/(s124*s134*z12) + (2*s13*s34*z2)/(s12*s123*s134*z12) - 
   (2*s14*s34*z2)/(s12*s124*s134*z12) + (2*s23*s34*z2)/(s12*s123^2*z12) - 
   (2*s23*s34*z2)/(s12*s123*s124*z12) + (2*s13*s23*s34*z2)/
    (s12^2*s123^2*z12) + (2*s23*s34*z2)/(s12*s123*s134*z12) - 
   (2*s14*s23*s34*z2)/(s12^2*s123*s124*z12) + 
   (2*s23^2*s34*z2)/(s12^2*s123^2*z12) - (2*s34*z2)/(s123*s234*z12) + 
   (2*s34*z2)/(s124*s234*z12) - (2*s13*s34*z2)/(s12*s123*s234*z12) + 
   (2*s14*s34*z2)/(s12*s124*s234*z12) - (2*s23*s34*z2)/(s12*s123*s234*z12) - 
   (2*s24*s34*z2)/(s12*s124*s134*z12) - (2*s23*s24*s34*z2)/
    (s12^2*s123*s124*z12) + (2*s24*s34*z2)/(s12*s124*s234*z12) + 
   (2*s12*z3)/(s123^2*z12) - (2*s12*z3)/(s123*s124*z12) + 
   (4*s13*z3)/(s123^2*z12) - (2*s13*z3)/(s123*s124*z12) + 
   (2*s13^2*z3)/(s12*s123^2*z12) + (2*s14*z3)/(s123^2*z12) - 
   (4*s14*z3)/(s123*s124*z12) + (2*s13*s14*z3)/(s12*s123^2*z12) - 
   (2*s13*s14*z3)/(s12*s123*s124*z12) - (2*s14^2*z3)/(s12*s123*s124*z12) + 
   (4*s23*z3)/(s123^2*z12) - (2*s23*z3)/(s123*s124*z12) + 
   (4*s13*s23*z3)/(s12*s123^2*z12) + (2*s14*s23*z3)/(s12*s123^2*z12) - 
   (2*s14*s23*z3)/(s12*s123*s124*z12) + (2*s23^2*z3)/(s12*s123^2*z12) + 
   (2*s24*z3)/(s123^2*z12) - (4*s24*z3)/(s123*s124*z12) + 
   (2*s13*s24*z3)/(s12*s123^2*z12) - (2*s13*s24*z3)/(s12*s123*s124*z12) - 
   (2*s24*z3)/(s123*s134*z12) + (2*s24*z3)/(s124*s134*z12) - 
   (2*s13*s24*z3)/(s12*s123*s134*z12) - (4*s14*s24*z3)/(s12*s123*s124*z12) + 
   (2*s14*s24*z3)/(s12*s124*s134*z12) + (2*s23*s24*z3)/(s12*s123^2*z12) - 
   (2*s23*s24*z3)/(s12*s123*s124*z12) - (2*s23*s24*z3)/(s12*s123*s134*z12) - 
   (2*s24*z3)/(s123*s234*z12) + (2*s24*z3)/(s124*s234*z12) - 
   (2*s13*s24*z3)/(s12*s123*s234*z12) + (2*s14*s24*z3)/(s12*s124*s234*z12) - 
   (2*s23*s24*z3)/(s12*s123*s234*z12) - (2*s24^2*z3)/(s12*s123*s124*z12) + 
   (2*s24^2*z3)/(s12*s124*s134*z12) + (2*s24^2*z3)/(s12*s124*s234*z12) - 
   (2*s12*s24*z3)/(s123*s134*s34*z12) + (2*s12*s24*z3)/(s124*s134*s34*z12) - 
   (4*s13*s24*z3)/(s123*s134*s34*z12) + (2*s13*s24*z3)/(s124*s134*s34*z12) - 
   (2*s13^2*s24*z3)/(s12*s123*s134*s34*z12) - 
   (2*s14*s24*z3)/(s123*s134*s34*z12) + (4*s14*s24*z3)/(s124*s134*s34*z12) - 
   (2*s13*s14*s24*z3)/(s12*s123*s134*s34*z12) + 
   (2*s13*s14*s24*z3)/(s12*s124*s134*s34*z12) + 
   (2*s14^2*s24*z3)/(s12*s124*s134*s34*z12) - 
   (4*s23*s24*z3)/(s123*s134*s34*z12) + (2*s23*s24*z3)/(s124*s134*s34*z12) - 
   (4*s13*s23*s24*z3)/(s12*s123*s134*s34*z12) - 
   (2*s14*s23*s24*z3)/(s12*s123*s134*s34*z12) + 
   (2*s14*s23*s24*z3)/(s12*s124*s134*s34*z12) - 
   (2*s23^2*s24*z3)/(s12*s123*s134*s34*z12) - 
   (2*s12*s24*z3)/(s123*s234*s34*z12) + (2*s12*s24*z3)/(s124*s234*s34*z12) - 
   (4*s13*s24*z3)/(s123*s234*s34*z12) + (2*s13*s24*z3)/(s124*s234*s34*z12) - 
   (2*s13^2*s24*z3)/(s12*s123*s234*s34*z12) - 
   (2*s14*s24*z3)/(s123*s234*s34*z12) + (4*s14*s24*z3)/(s124*s234*s34*z12) - 
   (2*s13*s14*s24*z3)/(s12*s123*s234*s34*z12) + 
   (2*s13*s14*s24*z3)/(s12*s124*s234*s34*z12) + 
   (2*s14^2*s24*z3)/(s12*s124*s234*s34*z12) - 
   (4*s23*s24*z3)/(s123*s234*s34*z12) + (2*s23*s24*z3)/(s124*s234*s34*z12) - 
   (4*s13*s23*s24*z3)/(s12*s123*s234*s34*z12) - 
   (2*s14*s23*s24*z3)/(s12*s123*s234*s34*z12) + 
   (2*s14*s23*s24*z3)/(s12*s124*s234*s34*z12) - 
   (2*s23^2*s24*z3)/(s12*s123*s234*s34*z12) - 
   (2*s24^2*z3)/(s123*s134*s34*z12) + (4*s24^2*z3)/(s124*s134*s34*z12) - 
   (2*s13*s24^2*z3)/(s12*s123*s134*s34*z12) + 
   (2*s13*s24^2*z3)/(s12*s124*s134*s34*z12) + 
   (4*s14*s24^2*z3)/(s12*s124*s134*s34*z12) - 
   (2*s23*s24^2*z3)/(s12*s123*s134*s34*z12) + 
   (2*s23*s24^2*z3)/(s12*s124*s134*s34*z12) - 
   (2*s24^2*z3)/(s123*s234*s34*z12) + (4*s24^2*z3)/(s124*s234*s34*z12) - 
   (2*s13*s24^2*z3)/(s12*s123*s234*s34*z12) + 
   (2*s13*s24^2*z3)/(s12*s124*s234*s34*z12) + 
   (4*s14*s24^2*z3)/(s12*s124*s234*s34*z12) - 
   (2*s23*s24^2*z3)/(s12*s123*s234*s34*z12) + 
   (2*s23*s24^2*z3)/(s12*s124*s234*s34*z12) + 
   (2*s24^3*z3)/(s12*s124*s134*s34*z12) + 
   (2*s24^3*z3)/(s12*s124*s234*s34*z12) + (2*s34*z3)/(s123^2*z12) - 
   (2*s34*z3)/(s123*s124*z12) + (2*s13*s34*z3)/(s12*s123^2*z12) - 
   (2*s14*s34*z3)/(s12*s123*s124*z12) + (2*s23*s34*z3)/(s12*s123^2*z12) - 
   (2*s24*s34*z3)/(s12*s123*s124*z12) - (2*s23*z1)/(s123*s134*z34) - 
   (2*s23*z1)/(s124*s134*z34) - (4*s13*s23*z1)/(s12*s123*s134*z34) - 
   (4*s13*s23*z1)/(s12*s124*s134*z34) - (4*s14*s23*z1)/(s12*s123*s134*z34) - 
   (4*s14*s23*z1)/(s12*s124*s134*z34) - (2*s23^2*z1)/(s12*s123*s134*z34) - 
   (2*s23^2*z1)/(s12*s124*s134*z34) + (2*s23*z1)/(s123*s234*z34) + 
   (2*s23*z1)/(s124*s234*z34) + (2*s13*s23*z1)/(s12*s123*s234*z34) + 
   (2*s13*s23*z1)/(s12*s124*s234*z34) + (2*s14*s23*z1)/(s12*s123*s234*z34) + 
   (2*s14*s23*z1)/(s12*s124*s234*z34) + (4*s23^2*z1)/(s12*s123*s234*z34) + 
   (4*s23^2*z1)/(s12*s124*s234*z34) - (2*s23*s24*z1)/(s12*s123*s134*z34) - 
   (2*s23*s24*z1)/(s12*s124*s134*z34) + (4*s23*s24*z1)/(s12*s123*s234*z34) + 
   (4*s23*s24*z1)/(s12*s124*s234*z34) - (2*s13*s23*z1)/(s123*s134*s34*z34) - 
   (2*s13*s23*z1)/(s124*s134*s34*z34) - (2*s13^2*s23*z1)/
    (s12*s123*s134*s34*z34) - (2*s13^2*s23*z1)/(s12*s124*s134*s34*z34) - 
   (2*s14*s23*z1)/(s123*s134*s34*z34) - (2*s14*s23*z1)/(s124*s134*s34*z34) - 
   (4*s13*s14*s23*z1)/(s12*s123*s134*s34*z34) - 
   (4*s13*s14*s23*z1)/(s12*s124*s134*s34*z34) - 
   (2*s14^2*s23*z1)/(s12*s123*s134*s34*z34) - 
   (2*s14^2*s23*z1)/(s12*s124*s134*s34*z34) - 
   (2*s13*s23^2*z1)/(s12*s123*s134*s34*z34) - 
   (2*s13*s23^2*z1)/(s12*s124*s134*s34*z34) - 
   (2*s14*s23^2*z1)/(s12*s123*s134*s34*z34) - 
   (2*s14*s23^2*z1)/(s12*s124*s134*s34*z34) + 
   (2*s23^2*z1)/(s123*s234*s34*z34) + (2*s23^2*z1)/(s124*s234*s34*z34) + 
   (2*s13*s23^2*z1)/(s12*s123*s234*s34*z34) + 
   (2*s13*s23^2*z1)/(s12*s124*s234*s34*z34) + 
   (2*s14*s23^2*z1)/(s12*s123*s234*s34*z34) + 
   (2*s14*s23^2*z1)/(s12*s124*s234*s34*z34) + 
   (2*s23^3*z1)/(s12*s123*s234*s34*z34) + 
   (2*s23^3*z1)/(s12*s124*s234*s34*z34) - (2*s13*s23*s24*z1)/
    (s12*s123*s134*s34*z34) - (2*s13*s23*s24*z1)/(s12*s124*s134*s34*z34) - 
   (2*s14*s23*s24*z1)/(s12*s123*s134*s34*z34) - 
   (2*s14*s23*s24*z1)/(s12*s124*s134*s34*z34) + 
   (2*s23*s24*z1)/(s123*s234*s34*z34) + (2*s23*s24*z1)/(s124*s234*s34*z34) + 
   (2*s13*s23*s24*z1)/(s12*s123*s234*s34*z34) + 
   (2*s13*s23*s24*z1)/(s12*s124*s234*s34*z34) + 
   (2*s14*s23*s24*z1)/(s12*s123*s234*s34*z34) + 
   (2*s14*s23*s24*z1)/(s12*s124*s234*s34*z34) + 
   (4*s23^2*s24*z1)/(s12*s123*s234*s34*z34) + 
   (4*s23^2*s24*z1)/(s12*s124*s234*s34*z34) + 
   (2*s23*s24^2*z1)/(s12*s123*s234*s34*z34) + 
   (2*s23*s24^2*z1)/(s12*s124*s234*s34*z34) - 
   (2*s23*s34*z1)/(s12*s123*s134*z34) - (2*s23*s34*z1)/(s12*s124*s134*z34) + 
   (2*s23*s34*z1)/(s12*s123*s234*z34) + (2*s23*s34*z1)/(s12*s124*s234*z34) + 
   (2*s13*z2)/(s123*s134*z34) + (2*s13*z2)/(s124*s134*z34) + 
   (4*s13^2*z2)/(s12*s123*s134*z34) + (4*s13^2*z2)/(s12*s124*s134*z34) + 
   (4*s13*s14*z2)/(s12*s123*s134*z34) + (4*s13*s14*z2)/(s12*s124*s134*z34) + 
   (2*s13*s23*z2)/(s12*s123*s134*z34) + (2*s13*s23*z2)/(s12*s124*s134*z34) + 
   (2*s12*z2)/(s234^2*z34) + (2*s13*z2)/(s234^2*z34) + 
   (2*s14*z2)/(s234^2*z34) + (4*s23*z2)/(s234^2*z34) - 
   (2*s13*z2)/(s123*s234*z34) - (2*s13*z2)/(s124*s234*z34) - 
   (2*s13^2*z2)/(s12*s123*s234*z34) - (2*s13^2*z2)/(s12*s124*s234*z34) - 
   (2*s12*z2)/(s134*s234*z34) - (4*s13*z2)/(s134*s234*z34) - 
   (2*s13*s14*z2)/(s12*s123*s234*z34) - (2*s13*s14*z2)/(s12*s124*s234*z34) - 
   (4*s14*z2)/(s134*s234*z34) - (4*s13*s23*z2)/(s12*s123*s234*z34) - 
   (4*s13*s23*z2)/(s12*s124*s234*z34) - (2*s23*z2)/(s134*s234*z34) + 
   (2*s13*s24*z2)/(s12*s123*s134*z34) + (2*s13*s24*z2)/(s12*s124*s134*z34) + 
   (4*s24*z2)/(s234^2*z34) - (4*s13*s24*z2)/(s12*s123*s234*z34) - 
   (4*s13*s24*z2)/(s12*s124*s234*z34) - (2*s24*z2)/(s134*s234*z34) + 
   (2*s13^2*z2)/(s123*s134*s34*z34) + (2*s13^2*z2)/(s124*s134*s34*z34) + 
   (2*s13^3*z2)/(s12*s123*s134*s34*z34) + 
   (2*s13^3*z2)/(s12*s124*s134*s34*z34) + (2*s13*s14*z2)/
    (s123*s134*s34*z34) + (2*s13*s14*z2)/(s124*s134*s34*z34) + 
   (4*s13^2*s14*z2)/(s12*s123*s134*s34*z34) + 
   (4*s13^2*s14*z2)/(s12*s124*s134*s34*z34) + 
   (2*s13*s14^2*z2)/(s12*s123*s134*s34*z34) + 
   (2*s13*s14^2*z2)/(s12*s124*s134*s34*z34) + 
   (2*s13^2*s23*z2)/(s12*s123*s134*s34*z34) + 
   (2*s13^2*s23*z2)/(s12*s124*s134*s34*z34) + (2*s13*s14*s23*z2)/
    (s12*s123*s134*s34*z34) + (2*s13*s14*s23*z2)/(s12*s124*s134*s34*z34) + 
   (2*s12*s23*z2)/(s234^2*s34*z34) + (2*s13*s23*z2)/(s234^2*s34*z34) + 
   (2*s14*s23*z2)/(s234^2*s34*z34) + (2*s23^2*z2)/(s234^2*s34*z34) - 
   (2*s12*s13*z2)/(s134*s234*s34*z34) - (2*s13^2*z2)/(s134*s234*s34*z34) - 
   (2*s12*s14*z2)/(s134*s234*s34*z34) - (4*s13*s14*z2)/(s134*s234*s34*z34) - 
   (2*s14^2*z2)/(s134*s234*s34*z34) - (2*s13*s23*z2)/(s123*s234*s34*z34) - 
   (2*s13*s23*z2)/(s124*s234*s34*z34) - (2*s13^2*s23*z2)/
    (s12*s123*s234*s34*z34) - (2*s13^2*s23*z2)/(s12*s124*s234*s34*z34) - 
   (2*s13*s23*z2)/(s134*s234*s34*z34) - (2*s13*s14*s23*z2)/
    (s12*s123*s234*s34*z34) - (2*s13*s14*s23*z2)/(s12*s124*s234*s34*z34) - 
   (2*s14*s23*z2)/(s134*s234*s34*z34) - (2*s13*s23^2*z2)/
    (s12*s123*s234*s34*z34) - (2*s13*s23^2*z2)/(s12*s124*s234*s34*z34) + 
   (2*s13^2*s24*z2)/(s12*s123*s134*s34*z34) + 
   (2*s13^2*s24*z2)/(s12*s124*s134*s34*z34) + (2*s13*s14*s24*z2)/
    (s12*s123*s134*s34*z34) + (2*s13*s14*s24*z2)/(s12*s124*s134*s34*z34) + 
   (2*s12*s24*z2)/(s234^2*s34*z34) + (2*s13*s24*z2)/(s234^2*s34*z34) + 
   (2*s14*s24*z2)/(s234^2*s34*z34) + (4*s23*s24*z2)/(s234^2*s34*z34) - 
   (2*s13*s24*z2)/(s123*s234*s34*z34) - (2*s13*s24*z2)/(s124*s234*s34*z34) - 
   (2*s13^2*s24*z2)/(s12*s123*s234*s34*z34) - 
   (2*s13^2*s24*z2)/(s12*s124*s234*s34*z34) - 
   (2*s13*s24*z2)/(s134*s234*s34*z34) - (2*s13*s14*s24*z2)/
    (s12*s123*s234*s34*z34) - (2*s13*s14*s24*z2)/(s12*s124*s234*s34*z34) - 
   (2*s14*s24*z2)/(s134*s234*s34*z34) - (4*s13*s23*s24*z2)/
    (s12*s123*s234*s34*z34) - (4*s13*s23*s24*z2)/(s12*s124*s234*s34*z34) + 
   (2*s24^2*z2)/(s234^2*s34*z34) - (2*s13*s24^2*z2)/(s12*s123*s234*s34*z34) - 
   (2*s13*s24^2*z2)/(s12*s124*s234*s34*z34) + 
   (2*s13*s34*z2)/(s12*s123*s134*z34) + (2*s13*s34*z2)/(s12*s124*s134*z34) + 
   (2*s34*z2)/(s234^2*z34) - (2*s13*s34*z2)/(s12*s123*s234*z34) - 
   (2*s13*s34*z2)/(s12*s124*s234*z34) - (2*s34*z2)/(s134*s234*z34) + 
   (2*s12*z3)/(s123*s134*z34) - (2*s12*z3)/(s124*s134*z34) + 
   (4*s13*z3)/(s123*s134*z34) - (4*s13*z3)/(s124*s134*z34) + 
   (4*s14*z3)/(s123*s134*z34) - (4*s14*z3)/(s124*s134*z34) - 
   (2*s23*z3)/(s123*s134*z34) - (2*s23*z3)/(s124*s134*z34) - 
   (8*s13*s23*z3)/(s12*s123*s134*z34) - (8*s14*s23*z3)/(s12*s123*s134*z34) - 
   (4*s23^2*z3)/(s12*s123*s134*z34) + (2*s23*z3)/(s234^2*z34) - 
   (2*s12*z3)/(s123*s234*z34) + (2*s12*z3)/(s124*s234*z34) - 
   (2*s13*z3)/(s123*s234*z34) + (2*s13*z3)/(s124*s234*z34) - 
   (2*s14*z3)/(s123*s234*z34) + (2*s14*z3)/(s124*s234*z34) + 
   (4*s23*z3)/(s124*s234*z34) + (4*s13*s23*z3)/(s12*s123*s234*z34) - 
   (2*s23*z3)/(s134*s234*z34) + (4*s14*s23*z3)/(s12*s123*s234*z34) + 
   (8*s23^2*z3)/(s12*s123*s234*z34) + (2*s24*z3)/(s123*s134*z34) + 
   (2*s24*z3)/(s124*s134*z34) + (8*s13*s24*z3)/(s12*s124*s134*z34) + 
   (8*s14*s24*z3)/(s12*s124*s134*z34) - (4*s23*s24*z3)/(s12*s123*s134*z34) + 
   (4*s23*s24*z3)/(s12*s124*s134*z34) - (4*s24*z3)/(s123*s234*z34) - 
   (4*s13*s24*z3)/(s12*s124*s234*z34) - (4*s14*s24*z3)/(s12*s124*s234*z34) + 
   (8*s23*s24*z3)/(s12*s123*s234*z34) - (8*s23*s24*z3)/(s12*s124*s234*z34) + 
   (4*s24^2*z3)/(s12*s124*s134*z34) - (8*s24^2*z3)/(s12*s124*s234*z34) + 
   (2*s12*s23^2*z3)/(s234^2*s34^2*z34) + (2*s13*s23^2*z3)/
    (s234^2*s34^2*z34) + (2*s14*s23^2*z3)/(s234^2*s34^2*z34) + 
   (2*s23^3*z3)/(s234^2*s34^2*z34) - (2*s12*s13*s23*z3)/
    (s134*s234*s34^2*z34) - (2*s13^2*s23*z3)/(s134*s234*s34^2*z34) - 
   (2*s12*s14*s23*z3)/(s134*s234*s34^2*z34) - (4*s13*s14*s23*z3)/
    (s134*s234*s34^2*z34) - (2*s14^2*s23*z3)/(s134*s234*s34^2*z34) - 
   (2*s13*s23^2*z3)/(s134*s234*s34^2*z34) - (2*s14*s23^2*z3)/
    (s134*s234*s34^2*z34) + (2*s12*s23*s24*z3)/(s234^2*s34^2*z34) + 
   (2*s13*s23*s24*z3)/(s234^2*s34^2*z34) + (2*s14*s23*s24*z3)/
    (s234^2*s34^2*z34) + (4*s23^2*s24*z3)/(s234^2*s34^2*z34) - 
   (2*s13*s23*s24*z3)/(s134*s234*s34^2*z34) - (2*s14*s23*s24*z3)/
    (s134*s234*s34^2*z34) + (2*s23*s24^2*z3)/(s234^2*s34^2*z34) + 
   (2*s12*s13*z3)/(s123*s134*s34*z34) - (2*s12*s13*z3)/(s124*s134*s34*z34) + 
   (2*s13^2*z3)/(s123*s134*s34*z34) - (2*s13^2*z3)/(s124*s134*s34*z34) + 
   (2*s12*s14*z3)/(s123*s134*s34*z34) - (2*s12*s14*z3)/(s124*s134*s34*z34) + 
   (4*s13*s14*z3)/(s123*s134*s34*z34) - (4*s13*s14*z3)/(s124*s134*s34*z34) + 
   (2*s14^2*z3)/(s123*s134*s34*z34) - (2*s14^2*z3)/(s124*s134*s34*z34) - 
   (2*s13*s23*z3)/(s123*s134*s34*z34) - (2*s13*s23*z3)/(s124*s134*s34*z34) - 
   (4*s13^2*s23*z3)/(s12*s123*s134*s34*z34) - 
   (2*s14*s23*z3)/(s123*s134*s34*z34) - (2*s14*s23*z3)/(s124*s134*s34*z34) - 
   (8*s13*s14*s23*z3)/(s12*s123*s134*s34*z34) - 
   (4*s14^2*s23*z3)/(s12*s123*s134*s34*z34) - 
   (4*s13*s23^2*z3)/(s12*s123*s134*s34*z34) - 
   (4*s14*s23^2*z3)/(s12*s123*s134*s34*z34) + 
   (2*s12*s23*z3)/(s234^2*s34*z34) + (2*s13*s23*z3)/(s234^2*s34*z34) + 
   (2*s14*s23*z3)/(s234^2*s34*z34) + (4*s23^2*z3)/(s234^2*s34*z34) - 
   (2*s12*s23*z3)/(s123*s234*s34*z34) + (2*s12*s23*z3)/(s124*s234*s34*z34) - 
   (2*s13*s23*z3)/(s123*s234*s34*z34) + (2*s13*s23*z3)/(s124*s234*s34*z34) - 
   (2*s12*s23*z3)/(s134*s234*s34*z34) - (4*s13*s23*z3)/(s134*s234*s34*z34) - 
   (2*s14*s23*z3)/(s123*s234*s34*z34) + (2*s14*s23*z3)/(s124*s234*s34*z34) - 
   (4*s14*s23*z3)/(s134*s234*s34*z34) + (2*s23^2*z3)/(s123*s234*s34*z34) + 
   (2*s23^2*z3)/(s124*s234*s34*z34) + (4*s13*s23^2*z3)/
    (s12*s123*s234*s34*z34) - (2*s23^2*z3)/(s134*s234*s34*z34) + 
   (4*s14*s23^2*z3)/(s12*s123*s234*s34*z34) + 
   (4*s23^3*z3)/(s12*s123*s234*s34*z34) + (2*s13*s24*z3)/
    (s123*s134*s34*z34) + (2*s13*s24*z3)/(s124*s134*s34*z34) + 
   (4*s13^2*s24*z3)/(s12*s124*s134*s34*z34) + 
   (2*s14*s24*z3)/(s123*s134*s34*z34) + (2*s14*s24*z3)/(s124*s134*s34*z34) + 
   (8*s13*s14*s24*z3)/(s12*s124*s134*s34*z34) + 
   (4*s14^2*s24*z3)/(s12*s124*s134*s34*z34) - (4*s13*s23*s24*z3)/
    (s12*s123*s134*s34*z34) + (4*s13*s23*s24*z3)/(s12*s124*s134*s34*z34) - 
   (4*s14*s23*s24*z3)/(s12*s123*s134*s34*z34) + 
   (4*s14*s23*s24*z3)/(s12*s124*s134*s34*z34) + 
   (4*s23*s24*z3)/(s234^2*s34*z34) - (2*s12*s24*z3)/(s123*s234*s34*z34) + 
   (2*s12*s24*z3)/(s124*s234*s34*z34) - (2*s13*s24*z3)/(s123*s234*s34*z34) + 
   (2*s13*s24*z3)/(s124*s234*s34*z34) - (2*s14*s24*z3)/(s123*s234*s34*z34) + 
   (2*s14*s24*z3)/(s124*s234*s34*z34) + (4*s13*s23*s24*z3)/
    (s12*s123*s234*s34*z34) - (4*s13*s23*s24*z3)/(s12*s124*s234*s34*z34) - 
   (2*s23*s24*z3)/(s134*s234*s34*z34) + (4*s14*s23*s24*z3)/
    (s12*s123*s234*s34*z34) - (4*s14*s23*s24*z3)/(s12*s124*s234*s34*z34) + 
   (8*s23^2*s24*z3)/(s12*s123*s234*s34*z34) - 
   (4*s23^2*s24*z3)/(s12*s124*s234*s34*z34) + 
   (4*s13*s24^2*z3)/(s12*s124*s134*s34*z34) + 
   (4*s14*s24^2*z3)/(s12*s124*s134*s34*z34) - 
   (2*s24^2*z3)/(s123*s234*s34*z34) - (2*s24^2*z3)/(s124*s234*s34*z34) - 
   (4*s13*s24^2*z3)/(s12*s124*s234*s34*z34) - 
   (4*s14*s24^2*z3)/(s12*s124*s234*s34*z34) + 
   (4*s23*s24^2*z3)/(s12*s123*s234*s34*z34) - 
   (8*s23*s24^2*z3)/(s12*s124*s234*s34*z34) - 
   (4*s24^3*z3)/(s12*s124*s234*s34*z34) + (2*s34*z3)/(s123*s134*z34) - 
   (2*s34*z3)/(s124*s134*z34) - (4*s23*s34*z3)/(s12*s123*s134*z34) - 
   (2*s34*z3)/(s123*s234*z34) + (2*s34*z3)/(s124*s234*z34) + 
   (4*s23*s34*z3)/(s12*s123*s234*z34) + (4*s24*s34*z3)/(s12*s124*s134*z34) - 
   (4*s24*s34*z3)/(s12*s124*s234*z34) + (4*s12*z2*z3)/(s123*s134*z12*z34) - 
   (4*s12*z2*z3)/(s124*s134*z12*z34) + (12*s13*z2*z3)/(s123*s134*z12*z34) - 
   (8*s13*z2*z3)/(s124*s134*z12*z34) + (8*s13^2*z2*z3)/
    (s12*s123*s134*z12*z34) + (8*s14*z2*z3)/(s123*s134*z12*z34) - 
   (12*s14*z2*z3)/(s124*s134*z12*z34) + (8*s13*s14*z2*z3)/
    (s12*s123*s134*z12*z34) - (8*s13*s14*z2*z3)/(s12*s124*s134*z12*z34) - 
   (8*s14^2*z2*z3)/(s12*s124*s134*z12*z34) + 
   (8*s23*z2*z3)/(s123*s134*z12*z34) - (4*s23*z2*z3)/(s124*s134*z12*z34) + 
   (12*s13*s23*z2*z3)/(s12*s123*s134*z12*z34) + 
   (8*s14*s23*z2*z3)/(s12*s123*s134*z12*z34) - 
   (4*s14*s23*z2*z3)/(s12*s124*s134*z12*z34) + 
   (4*s23^2*z2*z3)/(s12*s123*s134*z12*z34) - 
   (4*s12*z2*z3)/(s123*s234*z12*z34) + (4*s12*z2*z3)/(s124*s234*z12*z34) - 
   (8*s13*z2*z3)/(s123*s234*z12*z34) + (4*s13*z2*z3)/(s124*s234*z12*z34) - 
   (4*s13^2*z2*z3)/(s12*s123*s234*z12*z34) - 
   (4*s14*z2*z3)/(s123*s234*z12*z34) + (8*s14*z2*z3)/(s124*s234*z12*z34) - 
   (4*s13*s14*z2*z3)/(s12*s123*s234*z12*z34) + 
   (4*s13*s14*z2*z3)/(s12*s124*s234*z12*z34) + 
   (4*s14^2*z2*z3)/(s12*s124*s234*z12*z34) - 
   (12*s23*z2*z3)/(s123*s234*z12*z34) + (8*s23*z2*z3)/(s124*s234*z12*z34) - 
   (12*s13*s23*z2*z3)/(s12*s123*s234*z12*z34) - 
   (4*s14*s23*z2*z3)/(s12*s123*s234*z12*z34) + 
   (8*s14*s23*z2*z3)/(s12*s124*s234*z12*z34) - 
   (8*s23^2*z2*z3)/(s12*s123*s234*z12*z34) + 
   (4*s24*z2*z3)/(s123*s134*z12*z34) - (8*s24*z2*z3)/(s124*s134*z12*z34) + 
   (4*s13*s24*z2*z3)/(s12*s123*s134*z12*z34) - 
   (8*s13*s24*z2*z3)/(s12*s124*s134*z12*z34) - 
   (12*s14*s24*z2*z3)/(s12*s124*s134*z12*z34) + 
   (4*s23*s24*z2*z3)/(s12*s123*s134*z12*z34) - 
   (4*s23*s24*z2*z3)/(s12*s124*s134*z12*z34) - 
   (8*s24*z2*z3)/(s123*s234*z12*z34) + (12*s24*z2*z3)/(s124*s234*z12*z34) - 
   (8*s13*s24*z2*z3)/(s12*s123*s234*z12*z34) + 
   (4*s13*s24*z2*z3)/(s12*s124*s234*z12*z34) + 
   (12*s14*s24*z2*z3)/(s12*s124*s234*z12*z34) - 
   (8*s23*s24*z2*z3)/(s12*s123*s234*z12*z34) + 
   (8*s23*s24*z2*z3)/(s12*s124*s234*z12*z34) - 
   (4*s24^2*z2*z3)/(s12*s124*s134*z12*z34) + 
   (8*s24^2*z2*z3)/(s12*s124*s234*z12*z34) + (4*s12*s13*z2*z3)/
    (s123*s134*s34*z12*z34) - (4*s12*s13*z2*z3)/(s124*s134*s34*z12*z34) + 
   (8*s13^2*z2*z3)/(s123*s134*s34*z12*z34) - 
   (4*s13^2*z2*z3)/(s124*s134*s34*z12*z34) + 
   (4*s13^3*z2*z3)/(s12*s123*s134*s34*z12*z34) + 
   (4*s12*s14*z2*z3)/(s123*s134*s34*z12*z34) - 
   (4*s12*s14*z2*z3)/(s124*s134*s34*z12*z34) + 
   (12*s13*s14*z2*z3)/(s123*s134*s34*z12*z34) - 
   (12*s13*s14*z2*z3)/(s124*s134*s34*z12*z34) + 
   (8*s13^2*s14*z2*z3)/(s12*s123*s134*s34*z12*z34) - 
   (4*s13^2*s14*z2*z3)/(s12*s124*s134*s34*z12*z34) + 
   (4*s14^2*z2*z3)/(s123*s134*s34*z12*z34) - 
   (8*s14^2*z2*z3)/(s124*s134*s34*z12*z34) + (4*s13*s14^2*z2*z3)/
    (s12*s123*s134*s34*z12*z34) - (8*s13*s14^2*z2*z3)/
    (s12*s124*s134*s34*z12*z34) - (4*s14^3*z2*z3)/(s12*s124*s134*s34*z12*
     z34) + (8*s13*s23*z2*z3)/(s123*s134*s34*z12*z34) - 
   (4*s13*s23*z2*z3)/(s124*s134*s34*z12*z34) + (8*s13^2*s23*z2*z3)/
    (s12*s123*s134*s34*z12*z34) + (8*s14*s23*z2*z3)/(s123*s134*s34*z12*z34) - 
   (4*s14*s23*z2*z3)/(s124*s134*s34*z12*z34) + (12*s13*s14*s23*z2*z3)/
    (s12*s123*s134*s34*z12*z34) - (4*s13*s14*s23*z2*z3)/
    (s12*s124*s134*s34*z12*z34) + (4*s14^2*s23*z2*z3)/
    (s12*s123*s134*s34*z12*z34) - (4*s14^2*s23*z2*z3)/
    (s12*s124*s134*s34*z12*z34) + (4*s13*s23^2*z2*z3)/
    (s12*s123*s134*s34*z12*z34) + (4*s14*s23^2*z2*z3)/
    (s12*s123*s134*s34*z12*z34) - (4*s12*s23*z2*z3)/(s123*s234*s34*z12*z34) + 
   (4*s12*s23*z2*z3)/(s124*s234*s34*z12*z34) - 
   (8*s13*s23*z2*z3)/(s123*s234*s34*z12*z34) + 
   (4*s13*s23*z2*z3)/(s124*s234*s34*z12*z34) - (4*s13^2*s23*z2*z3)/
    (s12*s123*s234*s34*z12*z34) - (4*s14*s23*z2*z3)/(s123*s234*s34*z12*z34) + 
   (8*s14*s23*z2*z3)/(s124*s234*s34*z12*z34) - (4*s13*s14*s23*z2*z3)/
    (s12*s123*s234*s34*z12*z34) + (4*s13*s14*s23*z2*z3)/
    (s12*s124*s234*s34*z12*z34) + (4*s14^2*s23*z2*z3)/
    (s12*s124*s234*s34*z12*z34) - (8*s23^2*z2*z3)/(s123*s234*s34*z12*z34) + 
   (4*s23^2*z2*z3)/(s124*s234*s34*z12*z34) - (8*s13*s23^2*z2*z3)/
    (s12*s123*s234*s34*z12*z34) - (4*s14*s23^2*z2*z3)/
    (s12*s123*s234*s34*z12*z34) + (4*s14*s23^2*z2*z3)/
    (s12*s124*s234*s34*z12*z34) - (4*s23^3*z2*z3)/(s12*s123*s234*s34*z12*
     z34) + (4*s13*s24*z2*z3)/(s123*s134*s34*z12*z34) - 
   (8*s13*s24*z2*z3)/(s124*s134*s34*z12*z34) + (4*s13^2*s24*z2*z3)/
    (s12*s123*s134*s34*z12*z34) - (4*s13^2*s24*z2*z3)/
    (s12*s124*s134*s34*z12*z34) + (4*s14*s24*z2*z3)/(s123*s134*s34*z12*z34) - 
   (8*s14*s24*z2*z3)/(s124*s134*s34*z12*z34) + (4*s13*s14*s24*z2*z3)/
    (s12*s123*s134*s34*z12*z34) - (12*s13*s14*s24*z2*z3)/
    (s12*s124*s134*s34*z12*z34) - (8*s14^2*s24*z2*z3)/
    (s12*s124*s134*s34*z12*z34) + (4*s13*s23*s24*z2*z3)/
    (s12*s123*s134*s34*z12*z34) - (4*s13*s23*s24*z2*z3)/
    (s12*s124*s134*s34*z12*z34) + (4*s14*s23*s24*z2*z3)/
    (s12*s123*s134*s34*z12*z34) - (4*s14*s23*s24*z2*z3)/
    (s12*s124*s134*s34*z12*z34) - (4*s12*s24*z2*z3)/(s123*s234*s34*z12*z34) + 
   (4*s12*s24*z2*z3)/(s124*s234*s34*z12*z34) - 
   (8*s13*s24*z2*z3)/(s123*s234*s34*z12*z34) + 
   (4*s13*s24*z2*z3)/(s124*s234*s34*z12*z34) - (4*s13^2*s24*z2*z3)/
    (s12*s123*s234*s34*z12*z34) - (4*s14*s24*z2*z3)/(s123*s234*s34*z12*z34) + 
   (8*s14*s24*z2*z3)/(s124*s234*s34*z12*z34) - (4*s13*s14*s24*z2*z3)/
    (s12*s123*s234*s34*z12*z34) + (4*s13*s14*s24*z2*z3)/
    (s12*s124*s234*s34*z12*z34) + (4*s14^2*s24*z2*z3)/
    (s12*s124*s234*s34*z12*z34) - (12*s23*s24*z2*z3)/
    (s123*s234*s34*z12*z34) + (12*s23*s24*z2*z3)/(s124*s234*s34*z12*z34) - 
   (12*s13*s23*s24*z2*z3)/(s12*s123*s234*s34*z12*z34) + 
   (4*s13*s23*s24*z2*z3)/(s12*s124*s234*s34*z12*z34) - 
   (4*s14*s23*s24*z2*z3)/(s12*s123*s234*s34*z12*z34) + 
   (12*s14*s23*s24*z2*z3)/(s12*s124*s234*s34*z12*z34) - 
   (8*s23^2*s24*z2*z3)/(s12*s123*s234*s34*z12*z34) + 
   (4*s23^2*s24*z2*z3)/(s12*s124*s234*s34*z12*z34) - 
   (4*s13*s24^2*z2*z3)/(s12*s124*s134*s34*z12*z34) - 
   (4*s14*s24^2*z2*z3)/(s12*s124*s134*s34*z12*z34) - 
   (4*s24^2*z2*z3)/(s123*s234*s34*z12*z34) + 
   (8*s24^2*z2*z3)/(s124*s234*s34*z12*z34) - (4*s13*s24^2*z2*z3)/
    (s12*s123*s234*s34*z12*z34) + (4*s13*s24^2*z2*z3)/
    (s12*s124*s234*s34*z12*z34) + (8*s14*s24^2*z2*z3)/
    (s12*s124*s234*s34*z12*z34) - (4*s23*s24^2*z2*z3)/
    (s12*s123*s234*s34*z12*z34) + (8*s23*s24^2*z2*z3)/
    (s12*s124*s234*s34*z12*z34) + (4*s24^3*z2*z3)/(s12*s124*s234*s34*z12*
     z34) + (4*s34*z2*z3)/(s123*s134*z12*z34) - 
   (4*s34*z2*z3)/(s124*s134*z12*z34) + (4*s13*s34*z2*z3)/
    (s12*s123*s134*z12*z34) - (4*s14*s34*z2*z3)/(s12*s124*s134*z12*z34) + 
   (4*s23*s34*z2*z3)/(s12*s123*s134*z12*z34) - 
   (4*s34*z2*z3)/(s123*s234*z12*z34) + (4*s34*z2*z3)/(s124*s234*z12*z34) - 
   (4*s13*s34*z2*z3)/(s12*s123*s234*z12*z34) + 
   (4*s14*s34*z2*z3)/(s12*s124*s234*z12*z34) - 
   (4*s23*s34*z2*z3)/(s12*s123*s234*z12*z34) - 
   (4*s24*s34*z2*z3)/(s12*s124*s134*z12*z34) + 
   (4*s24*s34*z2*z3)/(s12*s124*s234*z12*z34) + (2*s23*z4)/(s123*s134*z12) - 
   (2*s23*z4)/(s124*s134*z12) + (2*s13*s23*z4)/(s12*s123*s134*z12) - 
   (2*s14*s23*z4)/(s12*s124*s134*z12) + (2*s23^2*z4)/(s12*s123*s134*z12) + 
   (2*s23*z4)/(s123*s234*z12) - (2*s23*z4)/(s124*s234*z12) + 
   (2*s13*s23*z4)/(s12*s123*s234*z12) - (2*s14*s23*z4)/(s12*s124*s234*z12) + 
   (2*s23^2*z4)/(s12*s123*s234*z12) - (2*s23*s24*z4)/(s12*s124*s134*z12) - 
   (2*s23*s24*z4)/(s12*s124*s234*z12) + (2*s12*s23*z4)/(s123*s134*s34*z12) - 
   (2*s12*s23*z4)/(s124*s134*s34*z12) + (4*s13*s23*z4)/(s123*s134*s34*z12) - 
   (2*s13*s23*z4)/(s124*s134*s34*z12) + (2*s13^2*s23*z4)/
    (s12*s123*s134*s34*z12) + (2*s14*s23*z4)/(s123*s134*s34*z12) - 
   (4*s14*s23*z4)/(s124*s134*s34*z12) + (2*s13*s14*s23*z4)/
    (s12*s123*s134*s34*z12) - (2*s13*s14*s23*z4)/(s12*s124*s134*s34*z12) - 
   (2*s14^2*s23*z4)/(s12*s124*s134*s34*z12) + 
   (4*s23^2*z4)/(s123*s134*s34*z12) - (2*s23^2*z4)/(s124*s134*s34*z12) + 
   (4*s13*s23^2*z4)/(s12*s123*s134*s34*z12) + 
   (2*s14*s23^2*z4)/(s12*s123*s134*s34*z12) - 
   (2*s14*s23^2*z4)/(s12*s124*s134*s34*z12) + 
   (2*s23^3*z4)/(s12*s123*s134*s34*z12) + (2*s12*s23*z4)/
    (s123*s234*s34*z12) - (2*s12*s23*z4)/(s124*s234*s34*z12) + 
   (4*s13*s23*z4)/(s123*s234*s34*z12) - (2*s13*s23*z4)/(s124*s234*s34*z12) + 
   (2*s13^2*s23*z4)/(s12*s123*s234*s34*z12) + 
   (2*s14*s23*z4)/(s123*s234*s34*z12) - (4*s14*s23*z4)/(s124*s234*s34*z12) + 
   (2*s13*s14*s23*z4)/(s12*s123*s234*s34*z12) - 
   (2*s13*s14*s23*z4)/(s12*s124*s234*s34*z12) - 
   (2*s14^2*s23*z4)/(s12*s124*s234*s34*z12) + 
   (4*s23^2*z4)/(s123*s234*s34*z12) - (2*s23^2*z4)/(s124*s234*s34*z12) + 
   (4*s13*s23^2*z4)/(s12*s123*s234*s34*z12) + 
   (2*s14*s23^2*z4)/(s12*s123*s234*s34*z12) - 
   (2*s14*s23^2*z4)/(s12*s124*s234*s34*z12) + 
   (2*s23^3*z4)/(s12*s123*s234*s34*z12) + (2*s23*s24*z4)/
    (s123*s134*s34*z12) - (4*s23*s24*z4)/(s124*s134*s34*z12) + 
   (2*s13*s23*s24*z4)/(s12*s123*s134*s34*z12) - 
   (2*s13*s23*s24*z4)/(s12*s124*s134*s34*z12) - 
   (4*s14*s23*s24*z4)/(s12*s124*s134*s34*z12) + 
   (2*s23^2*s24*z4)/(s12*s123*s134*s34*z12) - 
   (2*s23^2*s24*z4)/(s12*s124*s134*s34*z12) + 
   (2*s23*s24*z4)/(s123*s234*s34*z12) - (4*s23*s24*z4)/(s124*s234*s34*z12) + 
   (2*s13*s23*s24*z4)/(s12*s123*s234*s34*z12) - 
   (2*s13*s23*s24*z4)/(s12*s124*s234*s34*z12) - 
   (4*s14*s23*s24*z4)/(s12*s124*s234*s34*z12) + 
   (2*s23^2*s24*z4)/(s12*s123*s234*s34*z12) - 
   (2*s23^2*s24*z4)/(s12*s124*s234*s34*z12) - 
   (2*s23*s24^2*z4)/(s12*s124*s134*s34*z12) - 
   (2*s23*s24^2*z4)/(s12*s124*s234*s34*z12) - (2*s23*z4)/(s234^2*z34) + 
   (2*s23*z4)/(s134*s234*z34) - (2*s12*s23^2*z4)/(s234^2*s34^2*z34) - 
   (2*s13*s23^2*z4)/(s234^2*s34^2*z34) - (2*s14*s23^2*z4)/
    (s234^2*s34^2*z34) - (2*s23^3*z4)/(s234^2*s34^2*z34) + 
   (2*s12*s13*s23*z4)/(s134*s234*s34^2*z34) + 
   (2*s13^2*s23*z4)/(s134*s234*s34^2*z34) + (2*s12*s14*s23*z4)/
    (s134*s234*s34^2*z34) + (4*s13*s14*s23*z4)/(s134*s234*s34^2*z34) + 
   (2*s14^2*s23*z4)/(s134*s234*s34^2*z34) + (2*s13*s23^2*z4)/
    (s134*s234*s34^2*z34) + (2*s14*s23^2*z4)/(s134*s234*s34^2*z34) - 
   (2*s12*s23*s24*z4)/(s234^2*s34^2*z34) - (2*s13*s23*s24*z4)/
    (s234^2*s34^2*z34) - (2*s14*s23*s24*z4)/(s234^2*s34^2*z34) - 
   (4*s23^2*s24*z4)/(s234^2*s34^2*z34) + (2*s13*s23*s24*z4)/
    (s134*s234*s34^2*z34) + (2*s14*s23*s24*z4)/(s134*s234*s34^2*z34) - 
   (2*s23*s24^2*z4)/(s234^2*s34^2*z34) - (2*s12*s23*z4)/(s234^2*s34*z34) - 
   (2*s13*s23*z4)/(s234^2*s34*z34) - (2*s14*s23*z4)/(s234^2*s34*z34) - 
   (4*s23^2*z4)/(s234^2*s34*z34) + (2*s12*s23*z4)/(s134*s234*s34*z34) + 
   (4*s13*s23*z4)/(s134*s234*s34*z34) + (4*s14*s23*z4)/(s134*s234*s34*z34) + 
   (2*s23^2*z4)/(s134*s234*s34*z34) - (4*s23*s24*z4)/(s234^2*s34*z34) + 
   (2*s23*s24*z4)/(s134*s234*s34*z34)) + 
 k4k1*((-2*s13)/s123^2 + (D*s13)/s123^2 - (4*s13)/(s123*s124) + 
   (D*s13)/(s123*s124) - (2*s13^2)/(s12*s123^2) + (D*s13^2)/(s12*s123^2) - 
   (4*s13^2)/(s12*s123*s124) + (D*s13^2)/(s12*s123*s124) - 
   (4*s12)/(s123*s134) + (D*s12)/(s123*s134) - (D*s12)/(s124*s134) - 
   (8*s13)/(s123*s134) + (D*s13)/(s123*s134) - (D*s13)/(s124*s134) - 
   (2*s13*s14)/(s12*s123^2) + (D*s13*s14)/(s12*s123^2) - 
   (4*s13*s14)/(s12*s123*s124) + (D*s13*s14)/(s12*s123*s124) - 
   (4*s14)/(s123*s134) + (D*s14)/(s123*s134) - (D*s14)/(s124*s134) - 
   (4*s23)/s123^2 + (D*s23)/s123^2 - (6*s23)/(s123*s124) + 
   (D*s23)/(s123*s124) - (4*s13*s23)/(s12*s123^2) + 
   (2*D*s13*s23)/(s12*s123^2) - (10*s13*s23)/(s12*s123*s124) + 
   (2*D*s13*s23)/(s12*s123*s124) + (2*s13^2*s23)/(s12^2*s123^2) - 
   (8*s23)/(s123*s134) + (D*s23)/(s123*s134) - (D*s23)/(s124*s134) - 
   (D*s13*s23)/(s12*s123*s134) + (4*s13*s23)/(s12*s124*s134) - 
   (D*s13*s23)/(s12*s124*s134) - (4*s14*s23)/(s12*s123^2) + 
   (D*s14*s23)/(s12*s123^2) - (8*s14*s23)/(s12*s123*s124) + 
   (D*s14*s23)/(s12*s123*s124) + (2*s13*s14*s23)/(s12^2*s123^2) - 
   (2*s13*s14*s23)/(s12^2*s123*s124) - (4*s14*s23)/(s12*s123*s134) - 
   (4*s14*s23)/(s12*s124*s134) - (2*s14^2*s23)/(s12^2*s123*s124) - 
   (6*s23^2)/(s12*s123^2) + (D*s23^2)/(s12*s123^2) - 
   (6*s23^2)/(s12*s123*s124) + (D*s23^2)/(s12*s123*s124) - 
   (D*s23^2)/(s12*s123*s134) + (4*s23^2)/(s12*s124*s134) - 
   (D*s23^2)/(s12*s124*s134) - (2*s14*s23^2)/(s12^2*s123^2) - 
   (2*s14*s23^2)/(s12^2*s123*s124) - (2*s23^3)/(s12^2*s123^2) - 
   (4*s23)/s234^2 + (D*s23)/s234^2 - (D*s12)/(s123*s234) - 
   (4*s12)/(s124*s234) + (D*s12)/(s124*s234) - (D*s13)/(s123*s234) - 
   (4*s13)/(s124*s234) + (D*s13)/(s124*s234) + (2*s12)/(s134*s234) - 
   (D*s14)/(s123*s234) - (4*s14)/(s124*s234) + (D*s14)/(s124*s234) - 
   (D*s23)/(s123*s234) - (8*s23)/(s124*s234) + (D*s23)/(s124*s234) + 
   (4*s13*s23)/(s12*s123*s234) - (D*s13*s23)/(s12*s123*s234) + 
   (4*s13*s23)/(s12*s124*s234) - (D*s13*s23)/(s12*s124*s234) - 
   (6*s23)/(s134*s234) + (D*s23)/(s134*s234) + (4*s14*s23)/(s12*s123*s234) - 
   (4*s23^2)/(s12*s123*s234) - (D*s23^2)/(s12*s123*s234) + 
   (4*s23^2)/(s12*s124*s234) - (D*s23^2)/(s12*s124*s234) - 
   (2*s13*s24)/(s12*s123^2) + (D*s13*s24)/(s12*s123^2) - 
   (4*s13*s24)/(s12*s123*s124) + (D*s13*s24)/(s12*s123*s124) - 
   (4*s24)/(s123*s134) + (D*s24)/(s123*s134) - (D*s24)/(s124*s134) + 
   (4*s13*s24)/(s12*s123*s134) - (D*s13*s24)/(s12*s123*s134) - 
   (D*s13*s24)/(s12*s124*s134) - (4*s23*s24)/(s12*s123^2) + 
   (D*s23*s24)/(s12*s123^2) - (4*s23*s24)/(s12*s123*s124) + 
   (D*s23*s24)/(s12*s123*s124) + (2*s13*s23*s24)/(s12^2*s123^2) + 
   (2*s13*s23*s24)/(s12^2*s123*s124) - (D*s23*s24)/(s12*s123*s134) + 
   (4*s23*s24)/(s12*s124*s134) - (D*s23*s24)/(s12*s124*s134) - 
   (2*s23^2*s24)/(s12^2*s123^2) + (2*s23^2*s24)/(s12^2*s123*s124) - 
   (2*s24)/s234^2 + (D*s24)/s234^2 - (D*s24)/(s123*s234) - 
   (8*s24)/(s124*s234) + (D*s24)/(s124*s234) - (D*s13*s24)/(s12*s123*s234) - 
   (D*s13*s24)/(s12*s124*s234) - (4*s24)/(s134*s234) + (D*s24)/(s134*s234) - 
   (4*s14*s24)/(s12*s124*s234) + (4*s23*s24)/(s12*s123*s234) - 
   (D*s23*s24)/(s12*s123*s234) - (D*s23*s24)/(s12*s124*s234) + 
   (2*s23*s24^2)/(s12^2*s123*s124) - (4*s24^2)/(s12*s124*s234) - 
   (2*s12*s23^2)/(s234^2*s34^2) - (2*s13*s23^2)/(s234^2*s34^2) - 
   (2*s14*s23^2)/(s234^2*s34^2) - (2*s23^3)/(s234^2*s34^2) + 
   (2*s12*s13*s23)/(s134*s234*s34^2) + (2*s13^2*s23)/(s134*s234*s34^2) - 
   (2*s12*s14*s23)/(s134*s234*s34^2) - (2*s14^2*s23)/(s134*s234*s34^2) + 
   (2*s13*s23^2)/(s134*s234*s34^2) - (2*s14*s23^2)/(s134*s234*s34^2) + 
   (2*s12*s23*s24)/(s234^2*s34^2) + (2*s13*s23*s24)/(s234^2*s34^2) + 
   (2*s14*s23*s24)/(s234^2*s34^2) + (2*s13*s23*s24)/(s134*s234*s34^2) - 
   (2*s14*s23*s24)/(s134*s234*s34^2) + (2*s23*s24^2)/(s234^2*s34^2) - 
   (4*s12*s13)/(s123*s134*s34) - (4*s13^2)/(s123*s134*s34) - 
   (4*s13*s14)/(s123*s134*s34) - (D*s13*s23)/(s123*s134*s34) + 
   (4*s13*s23)/(s124*s134*s34) - (D*s13*s23)/(s124*s134*s34) + 
   (4*s13^2*s23)/(s12*s123*s134*s34) - (D*s13^2*s23)/(s12*s123*s134*s34) + 
   (4*s13^2*s23)/(s12*s124*s134*s34) - (D*s13^2*s23)/(s12*s124*s134*s34) - 
   (4*s14*s23)/(s124*s134*s34) + (4*s13*s14*s23)/(s12*s123*s134*s34) - 
   (D*s13*s14*s23)/(s12*s123*s134*s34) - (D*s13*s14*s23)/
    (s12*s124*s134*s34) - (4*s14^2*s23)/(s12*s124*s134*s34) + 
   (4*s23^2)/(s123*s134*s34) - (D*s23^2)/(s123*s134*s34) + 
   (4*s23^2)/(s124*s134*s34) - (D*s23^2)/(s124*s134*s34) + 
   (8*s13*s23^2)/(s12*s123*s134*s34) - (2*D*s13*s23^2)/(s12*s123*s134*s34) + 
   (8*s13*s23^2)/(s12*s124*s134*s34) - (2*D*s13*s23^2)/(s12*s124*s134*s34) + 
   (4*s14*s23^2)/(s12*s123*s134*s34) - (D*s14*s23^2)/(s12*s123*s134*s34) - 
   (D*s14*s23^2)/(s12*s124*s134*s34) + (4*s23^3)/(s12*s123*s134*s34) - 
   (D*s23^3)/(s12*s123*s134*s34) + (4*s23^3)/(s12*s124*s134*s34) - 
   (D*s23^3)/(s12*s124*s134*s34) - (4*s12*s23)/(s234^2*s34) + 
   (D*s12*s23)/(s234^2*s34) - (4*s13*s23)/(s234^2*s34) + 
   (D*s13*s23)/(s234^2*s34) - (4*s14*s23)/(s234^2*s34) + 
   (D*s14*s23)/(s234^2*s34) - (6*s23^2)/(s234^2*s34) + 
   (D*s23^2)/(s234^2*s34) + (2*s12^2)/(s134*s234*s34) + 
   (2*s12*s13)/(s134*s234*s34) + (2*s12*s14)/(s134*s234*s34) - 
   (4*s12*s23)/(s124*s234*s34) + (4*s13*s23)/(s123*s234*s34) - 
   (D*s13*s23)/(s123*s234*s34) - (D*s13*s23)/(s124*s234*s34) + 
   (4*s13^2*s23)/(s12*s123*s234*s34) - (D*s13^2*s23)/(s12*s123*s234*s34) + 
   (4*s13^2*s23)/(s12*s124*s234*s34) - (D*s13^2*s23)/(s12*s124*s234*s34) - 
   (4*s12*s23)/(s134*s234*s34) + (D*s12*s23)/(s134*s234*s34) - 
   (4*s13*s23)/(s134*s234*s34) + (D*s13*s23)/(s134*s234*s34) + 
   (4*s14*s23)/(s123*s234*s34) - (4*s14*s23)/(s124*s234*s34) + 
   (8*s13*s14*s23)/(s12*s123*s234*s34) - (D*s13*s14*s23)/
    (s12*s123*s234*s34) + (4*s13*s14*s23)/(s12*s124*s234*s34) - 
   (D*s13*s14*s23)/(s12*s124*s234*s34) - (8*s14*s23)/(s134*s234*s34) + 
   (D*s14*s23)/(s134*s234*s34) + (4*s14^2*s23)/(s12*s123*s234*s34) - 
   (4*s23^2)/(s123*s234*s34) - (D*s23^2)/(s123*s234*s34) - 
   (D*s23^2)/(s124*s234*s34) - (2*D*s13*s23^2)/(s12*s123*s234*s34) + 
   (8*s13*s23^2)/(s12*s124*s234*s34) - (2*D*s13*s23^2)/(s12*s124*s234*s34) - 
   (6*s23^2)/(s134*s234*s34) + (D*s23^2)/(s134*s234*s34) - 
   (D*s14*s23^2)/(s12*s123*s234*s34) + (4*s14*s23^2)/(s12*s124*s234*s34) - 
   (D*s14*s23^2)/(s12*s124*s234*s34) - (4*s23^3)/(s12*s123*s234*s34) - 
   (D*s23^3)/(s12*s123*s234*s34) + (4*s23^3)/(s12*s124*s234*s34) - 
   (D*s23^3)/(s12*s124*s234*s34) - (D*s13*s24)/(s123*s134*s34) - 
   (D*s13*s24)/(s124*s134*s34) + (4*s13^2*s24)/(s12*s123*s134*s34) - 
   (D*s13^2*s24)/(s12*s123*s134*s34) - (D*s13^2*s24)/(s12*s124*s134*s34) + 
   (4*s13*s14*s24)/(s12*s123*s134*s34) - (D*s13*s14*s24)/
    (s12*s123*s134*s34) - (D*s13*s14*s24)/(s12*s124*s134*s34) + 
   (4*s23*s24)/(s123*s134*s34) - (D*s23*s24)/(s123*s134*s34) + 
   (4*s23*s24)/(s124*s134*s34) - (D*s23*s24)/(s124*s134*s34) + 
   (12*s13*s23*s24)/(s12*s123*s134*s34) - (3*D*s13*s23*s24)/
    (s12*s123*s134*s34) + (8*s13*s23*s24)/(s12*s124*s134*s34) - 
   (3*D*s13*s23*s24)/(s12*s124*s134*s34) + (4*s14*s23*s24)/
    (s12*s123*s134*s34) - (D*s14*s23*s24)/(s12*s123*s134*s34) - 
   (D*s14*s23*s24)/(s12*s124*s134*s34) + (8*s23^2*s24)/(s12*s123*s134*s34) - 
   (2*D*s23^2*s24)/(s12*s123*s134*s34) + (8*s23^2*s24)/(s12*s124*s134*s34) - 
   (2*D*s23^2*s24)/(s12*s124*s134*s34) - (2*s12*s24)/(s234^2*s34) + 
   (D*s12*s24)/(s234^2*s34) - (2*s13*s24)/(s234^2*s34) + 
   (D*s13*s24)/(s234^2*s34) - (2*s14*s24)/(s234^2*s34) + 
   (D*s14*s24)/(s234^2*s34) - (4*s23*s24)/(s234^2*s34) + 
   (2*D*s23*s24)/(s234^2*s34) - (D*s13*s24)/(s123*s234*s34) + 
   (4*s13*s24)/(s124*s234*s34) - (D*s13*s24)/(s124*s234*s34) - 
   (D*s13^2*s24)/(s12*s123*s234*s34) + (4*s13^2*s24)/(s12*s124*s234*s34) - 
   (D*s13^2*s24)/(s12*s124*s234*s34) - (2*s12*s24)/(s134*s234*s34) + 
   (D*s12*s24)/(s134*s234*s34) - (4*s13*s24)/(s134*s234*s34) + 
   (D*s13*s24)/(s134*s234*s34) - (D*s13*s14*s24)/(s12*s123*s234*s34) + 
   (4*s13*s14*s24)/(s12*s124*s234*s34) - (D*s13*s14*s24)/
    (s12*s124*s234*s34) - (4*s14*s24)/(s134*s234*s34) + 
   (D*s14*s24)/(s134*s234*s34) + (4*s23*s24)/(s123*s234*s34) - 
   (D*s23*s24)/(s123*s234*s34) - (D*s23*s24)/(s124*s234*s34) + 
   (8*s13*s23*s24)/(s12*s123*s234*s34) - (3*D*s13*s23*s24)/
    (s12*s123*s234*s34) + (12*s13*s23*s24)/(s12*s124*s234*s34) - 
   (3*D*s13*s23*s24)/(s12*s124*s234*s34) - (10*s23*s24)/(s134*s234*s34) + 
   (2*D*s23*s24)/(s134*s234*s34) + (8*s14*s23*s24)/(s12*s123*s234*s34) - 
   (D*s14*s23*s24)/(s12*s123*s234*s34) + (4*s14*s23*s24)/
    (s12*s124*s234*s34) - (D*s14*s23*s24)/(s12*s124*s234*s34) - 
   (2*D*s23^2*s24)/(s12*s123*s234*s34) + (8*s23^2*s24)/(s12*s124*s234*s34) - 
   (2*D*s23^2*s24)/(s12*s124*s234*s34) + (4*s13*s24^2)/(s12*s123*s134*s34) - 
   (D*s13*s24^2)/(s12*s123*s134*s34) - (D*s13*s24^2)/(s12*s124*s134*s34) + 
   (4*s23*s24^2)/(s12*s123*s134*s34) - (D*s23*s24^2)/(s12*s123*s134*s34) + 
   (4*s23*s24^2)/(s12*s124*s134*s34) - (D*s23*s24^2)/(s12*s124*s134*s34) - 
   (2*s24^2)/(s234^2*s34) + (D*s24^2)/(s234^2*s34) - 
   (D*s13*s24^2)/(s12*s123*s234*s34) + (4*s13*s24^2)/(s12*s124*s234*s34) - 
   (D*s13*s24^2)/(s12*s124*s234*s34) - (4*s24^2)/(s134*s234*s34) + 
   (D*s24^2)/(s134*s234*s34) + (4*s23*s24^2)/(s12*s123*s234*s34) - 
   (D*s23*s24^2)/(s12*s123*s234*s34) + (4*s23*s24^2)/(s12*s124*s234*s34) - 
   (D*s23*s24^2)/(s12*s124*s234*s34) + (2*s34)/(s123*s124) - 
   (2*s13*s34)/(s12*s123^2) + (D*s13*s34)/(s12*s123^2) - 
   (2*s13*s34)/(s12*s123*s124) + (D*s13*s34)/(s12*s123*s124) - 
   (4*s34)/(s123*s134) + (D*s34)/(s123*s134) - (D*s34)/(s124*s134) + 
   (2*s14*s34)/(s12*s123*s124) - (4*s23*s34)/(s12*s123^2) + 
   (D*s23*s34)/(s12*s123^2) - (4*s23*s34)/(s12*s123*s124) + 
   (D*s23*s34)/(s12*s123*s124) + (2*s13*s23*s34)/(s12^2*s123^2) - 
   (4*s23*s34)/(s12*s123*s134) - (2*s14*s23*s34)/(s12^2*s123*s124) - 
   (2*s23^2*s34)/(s12^2*s123^2) - (D*s34)/(s123*s234) - (4*s34)/(s124*s234) + 
   (D*s34)/(s124*s234) + (2*s24*s34)/(s12*s123*s124) + 
   (2*s23*s24*s34)/(s12^2*s123*s124) - (4*s24*s34)/(s12*s124*s234) + 
   (2*s34^2)/(s12*s123*s124) - (2*s23*z1)/(s123^2*z12) + 
   (2*s23*z1)/(s123*s124*z12) - (4*s13*s23*z1)/(s12*s123^2*z12) + 
   (2*s13*s23*z1)/(s12*s123*s124*z12) - (2*s13^2*s23*z1)/(s12^2*s123^2*z12) - 
   (2*s14*s23*z1)/(s12*s123^2*z12) + (4*s14*s23*z1)/(s12*s123*s124*z12) - 
   (2*s13*s14*s23*z1)/(s12^2*s123^2*z12) + (2*s13*s14*s23*z1)/
    (s12^2*s123*s124*z12) + (2*s14^2*s23*z1)/(s12^2*s123*s124*z12) - 
   (4*s23^2*z1)/(s12*s123^2*z12) + (2*s23^2*z1)/(s12*s123*s124*z12) - 
   (4*s13*s23^2*z1)/(s12^2*s123^2*z12) - (2*s14*s23^2*z1)/
    (s12^2*s123^2*z12) + (2*s14*s23^2*z1)/(s12^2*s123*s124*z12) - 
   (2*s23^3*z1)/(s12^2*s123^2*z12) - (2*s23*s24*z1)/(s12*s123^2*z12) + 
   (4*s23*s24*z1)/(s12*s123*s124*z12) - (2*s13*s23*s24*z1)/
    (s12^2*s123^2*z12) + (2*s13*s23*s24*z1)/(s12^2*s123*s124*z12) + 
   (4*s14*s23*s24*z1)/(s12^2*s123*s124*z12) - 
   (2*s23^2*s24*z1)/(s12^2*s123^2*z12) + (2*s23^2*s24*z1)/
    (s12^2*s123*s124*z12) + (2*s23*s24^2*z1)/(s12^2*s123*s124*z12) - 
   (2*s23*s34*z1)/(s12*s123^2*z12) + (2*s23*s34*z1)/(s12*s123*s124*z12) - 
   (2*s13*s23*s34*z1)/(s12^2*s123^2*z12) + (2*s14*s23*s34*z1)/
    (s12^2*s123*s124*z12) - (2*s23^2*s34*z1)/(s12^2*s123^2*z12) + 
   (2*s23*s24*s34*z1)/(s12^2*s123*s124*z12) + (2*s12*z2)/(s123*s134*z12) - 
   (2*s12*z2)/(s124*s134*z12) + (2*s13*z2)/(s124*s134*z12) - 
   (2*s13^2*z2)/(s12*s123*s134*z12) + (2*s14*z2)/(s123*s134*z12) - 
   (4*s14*z2)/(s124*s134*z12) + (2*s13*s14*z2)/(s12*s123*s134*z12) + 
   (2*s13*s14*z2)/(s12*s124*s134*z12) - (2*s14^2*z2)/(s12*s124*s134*z12) + 
   (2*s23*z2)/(s123^2*z12) - (2*s23*z2)/(s123*s124*z12) + 
   (4*s13*s23*z2)/(s12*s123^2*z12) - (2*s13*s23*z2)/(s12*s123*s124*z12) + 
   (2*s13^2*s23*z2)/(s12^2*s123^2*z12) + (4*s23*z2)/(s123*s134*z12) - 
   (2*s23*z2)/(s124*s134*z12) + (2*s14*s23*z2)/(s12*s123^2*z12) - 
   (4*s14*s23*z2)/(s12*s123*s124*z12) + (2*s13*s14*s23*z2)/
    (s12^2*s123^2*z12) - (2*s13*s14*s23*z2)/(s12^2*s123*s124*z12) + 
   (2*s14*s23*z2)/(s12*s123*s134*z12) - (2*s14*s23*z2)/(s12*s124*s134*z12) - 
   (2*s14^2*s23*z2)/(s12^2*s123*s124*z12) + (4*s23^2*z2)/(s12*s123^2*z12) - 
   (2*s23^2*z2)/(s12*s123*s124*z12) + (4*s13*s23^2*z2)/(s12^2*s123^2*z12) + 
   (2*s23^2*z2)/(s12*s123*s134*z12) + (2*s14*s23^2*z2)/(s12^2*s123^2*z12) - 
   (2*s14*s23^2*z2)/(s12^2*s123*s124*z12) + (2*s23^3*z2)/(s12^2*s123^2*z12) - 
   (2*s12*z2)/(s123*s234*z12) + (2*s12*z2)/(s124*s234*z12) - 
   (4*s13*z2)/(s123*s234*z12) + (2*s13*z2)/(s124*s234*z12) - 
   (2*s13^2*z2)/(s12*s123*s234*z12) - (2*s14*z2)/(s123*s234*z12) + 
   (4*s14*z2)/(s124*s234*z12) - (2*s13*s14*z2)/(s12*s123*s234*z12) + 
   (2*s13*s14*z2)/(s12*s124*s234*z12) + (2*s14^2*z2)/(s12*s124*s234*z12) - 
   (2*s23*z2)/(s124*s234*z12) - (2*s14*s23*z2)/(s12*s123*s234*z12) - 
   (2*s14*s23*z2)/(s12*s124*s234*z12) + (2*s23^2*z2)/(s12*s123*s234*z12) + 
   (2*s24*z2)/(s123*s134*z12) - (4*s24*z2)/(s124*s134*z12) + 
   (2*s13*s24*z2)/(s12*s123*s134*z12) + (2*s13*s24*z2)/(s12*s124*s134*z12) - 
   (4*s14*s24*z2)/(s12*s124*s134*z12) + (2*s23*s24*z2)/(s12*s123^2*z12) - 
   (4*s23*s24*z2)/(s12*s123*s124*z12) + (2*s13*s23*s24*z2)/
    (s12^2*s123^2*z12) - (2*s13*s23*s24*z2)/(s12^2*s123*s124*z12) + 
   (2*s23*s24*z2)/(s12*s123*s134*z12) - (2*s23*s24*z2)/(s12*s124*s134*z12) - 
   (4*s14*s23*s24*z2)/(s12^2*s123*s124*z12) + 
   (2*s23^2*s24*z2)/(s12^2*s123^2*z12) - (2*s23^2*s24*z2)/
    (s12^2*s123*s124*z12) - (2*s24*z2)/(s123*s234*z12) + 
   (4*s24*z2)/(s124*s234*z12) - (2*s13*s24*z2)/(s12*s123*s234*z12) + 
   (2*s13*s24*z2)/(s12*s124*s234*z12) + (4*s14*s24*z2)/(s12*s124*s234*z12) - 
   (2*s23*s24*z2)/(s12*s123*s234*z12) - (2*s23*s24*z2)/(s12*s124*s234*z12) - 
   (2*s24^2*z2)/(s12*s124*s134*z12) - (2*s23*s24^2*z2)/
    (s12^2*s123*s124*z12) + (2*s24^2*z2)/(s12*s124*s234*z12) - 
   (4*s12*s13*z2)/(s123*s134*s34*z12) + (4*s12*s13*z2)/(s124*s134*s34*z12) - 
   (8*s13^2*z2)/(s123*s134*s34*z12) + (4*s13^2*z2)/(s124*s134*s34*z12) - 
   (4*s13^3*z2)/(s12*s123*s134*s34*z12) - (4*s13*s14*z2)/
    (s123*s134*s34*z12) + (8*s13*s14*z2)/(s124*s134*s34*z12) - 
   (4*s13^2*s14*z2)/(s12*s123*s134*s34*z12) + 
   (4*s13^2*s14*z2)/(s12*s124*s134*s34*z12) + 
   (4*s13*s14^2*z2)/(s12*s124*s134*s34*z12) - 
   (8*s13*s23*z2)/(s123*s134*s34*z12) + (4*s13*s23*z2)/(s124*s134*s34*z12) - 
   (8*s13^2*s23*z2)/(s12*s123*s134*s34*z12) - (4*s13*s14*s23*z2)/
    (s12*s123*s134*s34*z12) + (4*s13*s14*s23*z2)/(s12*s124*s134*s34*z12) - 
   (4*s13*s23^2*z2)/(s12*s123*s134*s34*z12) + 
   (4*s12*s23*z2)/(s123*s234*s34*z12) - (4*s12*s23*z2)/(s124*s234*s34*z12) + 
   (8*s13*s23*z2)/(s123*s234*s34*z12) - (4*s13*s23*z2)/(s124*s234*s34*z12) + 
   (4*s13^2*s23*z2)/(s12*s123*s234*s34*z12) + 
   (4*s14*s23*z2)/(s123*s234*s34*z12) - (8*s14*s23*z2)/(s124*s234*s34*z12) + 
   (4*s13*s14*s23*z2)/(s12*s123*s234*s34*z12) - 
   (4*s13*s14*s23*z2)/(s12*s124*s234*s34*z12) - 
   (4*s14^2*s23*z2)/(s12*s124*s234*s34*z12) + 
   (8*s23^2*z2)/(s123*s234*s34*z12) - (4*s23^2*z2)/(s124*s234*s34*z12) + 
   (8*s13*s23^2*z2)/(s12*s123*s234*s34*z12) + 
   (4*s14*s23^2*z2)/(s12*s123*s234*s34*z12) - 
   (4*s14*s23^2*z2)/(s12*s124*s234*s34*z12) + 
   (4*s23^3*z2)/(s12*s123*s234*s34*z12) - (4*s13*s24*z2)/
    (s123*s134*s34*z12) + (8*s13*s24*z2)/(s124*s134*s34*z12) - 
   (4*s13^2*s24*z2)/(s12*s123*s134*s34*z12) + 
   (4*s13^2*s24*z2)/(s12*s124*s134*s34*z12) + (8*s13*s14*s24*z2)/
    (s12*s124*s134*s34*z12) - (4*s13*s23*s24*z2)/(s12*s123*s134*s34*z12) + 
   (4*s13*s23*s24*z2)/(s12*s124*s134*s34*z12) + 
   (4*s23*s24*z2)/(s123*s234*s34*z12) - (8*s23*s24*z2)/(s124*s234*s34*z12) + 
   (4*s13*s23*s24*z2)/(s12*s123*s234*s34*z12) - 
   (4*s13*s23*s24*z2)/(s12*s124*s234*s34*z12) - 
   (8*s14*s23*s24*z2)/(s12*s124*s234*s34*z12) + 
   (4*s23^2*s24*z2)/(s12*s123*s234*s34*z12) - 
   (4*s23^2*s24*z2)/(s12*s124*s234*s34*z12) + 
   (4*s13*s24^2*z2)/(s12*s124*s134*s34*z12) - 
   (4*s23*s24^2*z2)/(s12*s124*s234*s34*z12) + (2*s34*z2)/(s123*s134*z12) - 
   (2*s34*z2)/(s124*s134*z12) + (2*s13*s34*z2)/(s12*s123*s134*z12) - 
   (2*s14*s34*z2)/(s12*s124*s134*z12) + (2*s23*s34*z2)/(s12*s123^2*z12) - 
   (2*s23*s34*z2)/(s12*s123*s124*z12) + (2*s13*s23*s34*z2)/
    (s12^2*s123^2*z12) + (2*s23*s34*z2)/(s12*s123*s134*z12) - 
   (2*s14*s23*s34*z2)/(s12^2*s123*s124*z12) + 
   (2*s23^2*s34*z2)/(s12^2*s123^2*z12) - (2*s34*z2)/(s123*s234*z12) + 
   (2*s34*z2)/(s124*s234*z12) - (2*s13*s34*z2)/(s12*s123*s234*z12) + 
   (2*s14*s34*z2)/(s12*s124*s234*z12) - (2*s23*s34*z2)/(s12*s123*s234*z12) - 
   (2*s24*s34*z2)/(s12*s124*s134*z12) - (2*s23*s24*s34*z2)/
    (s12^2*s123*s124*z12) + (2*s24*s34*z2)/(s12*s124*s234*z12) + 
   (2*s12*z3)/(s123^2*z12) - (2*s12*z3)/(s123*s124*z12) + 
   (4*s13*z3)/(s123^2*z12) - (2*s13*z3)/(s123*s124*z12) + 
   (2*s13^2*z3)/(s12*s123^2*z12) + (2*s14*z3)/(s123^2*z12) - 
   (4*s14*z3)/(s123*s124*z12) + (2*s13*s14*z3)/(s12*s123^2*z12) - 
   (2*s13*s14*z3)/(s12*s123*s124*z12) - (2*s14^2*z3)/(s12*s123*s124*z12) + 
   (4*s23*z3)/(s123^2*z12) - (2*s23*z3)/(s123*s124*z12) + 
   (4*s13*s23*z3)/(s12*s123^2*z12) + (2*s14*s23*z3)/(s12*s123^2*z12) - 
   (2*s14*s23*z3)/(s12*s123*s124*z12) + (2*s23^2*z3)/(s12*s123^2*z12) + 
   (2*s24*z3)/(s123^2*z12) - (4*s24*z3)/(s123*s124*z12) + 
   (2*s13*s24*z3)/(s12*s123^2*z12) - (2*s13*s24*z3)/(s12*s123*s124*z12) - 
   (2*s24*z3)/(s123*s134*z12) + (2*s24*z3)/(s124*s134*z12) - 
   (2*s13*s24*z3)/(s12*s123*s134*z12) - (4*s14*s24*z3)/(s12*s123*s124*z12) + 
   (2*s14*s24*z3)/(s12*s124*s134*z12) + (2*s23*s24*z3)/(s12*s123^2*z12) - 
   (2*s23*s24*z3)/(s12*s123*s124*z12) - (2*s23*s24*z3)/(s12*s123*s134*z12) - 
   (2*s24*z3)/(s123*s234*z12) + (2*s24*z3)/(s124*s234*z12) - 
   (2*s13*s24*z3)/(s12*s123*s234*z12) + (2*s14*s24*z3)/(s12*s124*s234*z12) - 
   (2*s23*s24*z3)/(s12*s123*s234*z12) - (2*s24^2*z3)/(s12*s123*s124*z12) + 
   (2*s24^2*z3)/(s12*s124*s134*z12) + (2*s24^2*z3)/(s12*s124*s234*z12) - 
   (2*s12*s24*z3)/(s123*s134*s34*z12) + (2*s12*s24*z3)/(s124*s134*s34*z12) - 
   (4*s13*s24*z3)/(s123*s134*s34*z12) + (2*s13*s24*z3)/(s124*s134*s34*z12) - 
   (2*s13^2*s24*z3)/(s12*s123*s134*s34*z12) - 
   (2*s14*s24*z3)/(s123*s134*s34*z12) + (4*s14*s24*z3)/(s124*s134*s34*z12) - 
   (2*s13*s14*s24*z3)/(s12*s123*s134*s34*z12) + 
   (2*s13*s14*s24*z3)/(s12*s124*s134*s34*z12) + 
   (2*s14^2*s24*z3)/(s12*s124*s134*s34*z12) - 
   (4*s23*s24*z3)/(s123*s134*s34*z12) + (2*s23*s24*z3)/(s124*s134*s34*z12) - 
   (4*s13*s23*s24*z3)/(s12*s123*s134*s34*z12) - 
   (2*s14*s23*s24*z3)/(s12*s123*s134*s34*z12) + 
   (2*s14*s23*s24*z3)/(s12*s124*s134*s34*z12) - 
   (2*s23^2*s24*z3)/(s12*s123*s134*s34*z12) - 
   (2*s12*s24*z3)/(s123*s234*s34*z12) + (2*s12*s24*z3)/(s124*s234*s34*z12) - 
   (4*s13*s24*z3)/(s123*s234*s34*z12) + (2*s13*s24*z3)/(s124*s234*s34*z12) - 
   (2*s13^2*s24*z3)/(s12*s123*s234*s34*z12) - 
   (2*s14*s24*z3)/(s123*s234*s34*z12) + (4*s14*s24*z3)/(s124*s234*s34*z12) - 
   (2*s13*s14*s24*z3)/(s12*s123*s234*s34*z12) + 
   (2*s13*s14*s24*z3)/(s12*s124*s234*s34*z12) + 
   (2*s14^2*s24*z3)/(s12*s124*s234*s34*z12) - 
   (4*s23*s24*z3)/(s123*s234*s34*z12) + (2*s23*s24*z3)/(s124*s234*s34*z12) - 
   (4*s13*s23*s24*z3)/(s12*s123*s234*s34*z12) - 
   (2*s14*s23*s24*z3)/(s12*s123*s234*s34*z12) + 
   (2*s14*s23*s24*z3)/(s12*s124*s234*s34*z12) - 
   (2*s23^2*s24*z3)/(s12*s123*s234*s34*z12) - 
   (2*s24^2*z3)/(s123*s134*s34*z12) + (4*s24^2*z3)/(s124*s134*s34*z12) - 
   (2*s13*s24^2*z3)/(s12*s123*s134*s34*z12) + 
   (2*s13*s24^2*z3)/(s12*s124*s134*s34*z12) + 
   (4*s14*s24^2*z3)/(s12*s124*s134*s34*z12) - 
   (2*s23*s24^2*z3)/(s12*s123*s134*s34*z12) + 
   (2*s23*s24^2*z3)/(s12*s124*s134*s34*z12) - 
   (2*s24^2*z3)/(s123*s234*s34*z12) + (4*s24^2*z3)/(s124*s234*s34*z12) - 
   (2*s13*s24^2*z3)/(s12*s123*s234*s34*z12) + 
   (2*s13*s24^2*z3)/(s12*s124*s234*s34*z12) + 
   (4*s14*s24^2*z3)/(s12*s124*s234*s34*z12) - 
   (2*s23*s24^2*z3)/(s12*s123*s234*s34*z12) + 
   (2*s23*s24^2*z3)/(s12*s124*s234*s34*z12) + 
   (2*s24^3*z3)/(s12*s124*s134*s34*z12) + 
   (2*s24^3*z3)/(s12*s124*s234*s34*z12) + (2*s34*z3)/(s123^2*z12) - 
   (2*s34*z3)/(s123*s124*z12) + (2*s13*s34*z3)/(s12*s123^2*z12) - 
   (2*s14*s34*z3)/(s12*s123*s124*z12) + (2*s23*s34*z3)/(s12*s123^2*z12) - 
   (2*s24*s34*z3)/(s12*s123*s124*z12) - (2*s23*z1)/(s123*s134*z34) - 
   (2*s23*z1)/(s124*s134*z34) - (4*s13*s23*z1)/(s12*s123*s134*z34) - 
   (4*s13*s23*z1)/(s12*s124*s134*z34) - (4*s14*s23*z1)/(s12*s123*s134*z34) - 
   (4*s14*s23*z1)/(s12*s124*s134*z34) - (2*s23^2*z1)/(s12*s123*s134*z34) - 
   (2*s23^2*z1)/(s12*s124*s134*z34) + (2*s23*z1)/(s123*s234*z34) + 
   (2*s23*z1)/(s124*s234*z34) + (2*s13*s23*z1)/(s12*s123*s234*z34) + 
   (2*s13*s23*z1)/(s12*s124*s234*z34) + (2*s14*s23*z1)/(s12*s123*s234*z34) + 
   (2*s14*s23*z1)/(s12*s124*s234*z34) + (4*s23^2*z1)/(s12*s123*s234*z34) + 
   (4*s23^2*z1)/(s12*s124*s234*z34) - (2*s23*s24*z1)/(s12*s123*s134*z34) - 
   (2*s23*s24*z1)/(s12*s124*s134*z34) + (4*s23*s24*z1)/(s12*s123*s234*z34) + 
   (4*s23*s24*z1)/(s12*s124*s234*z34) - (2*s13*s23*z1)/(s123*s134*s34*z34) - 
   (2*s13*s23*z1)/(s124*s134*s34*z34) - (2*s13^2*s23*z1)/
    (s12*s123*s134*s34*z34) - (2*s13^2*s23*z1)/(s12*s124*s134*s34*z34) - 
   (2*s14*s23*z1)/(s123*s134*s34*z34) - (2*s14*s23*z1)/(s124*s134*s34*z34) - 
   (4*s13*s14*s23*z1)/(s12*s123*s134*s34*z34) - 
   (4*s13*s14*s23*z1)/(s12*s124*s134*s34*z34) - 
   (2*s14^2*s23*z1)/(s12*s123*s134*s34*z34) - 
   (2*s14^2*s23*z1)/(s12*s124*s134*s34*z34) - 
   (2*s13*s23^2*z1)/(s12*s123*s134*s34*z34) - 
   (2*s13*s23^2*z1)/(s12*s124*s134*s34*z34) - 
   (2*s14*s23^2*z1)/(s12*s123*s134*s34*z34) - 
   (2*s14*s23^2*z1)/(s12*s124*s134*s34*z34) + 
   (2*s23^2*z1)/(s123*s234*s34*z34) + (2*s23^2*z1)/(s124*s234*s34*z34) + 
   (2*s13*s23^2*z1)/(s12*s123*s234*s34*z34) + 
   (2*s13*s23^2*z1)/(s12*s124*s234*s34*z34) + 
   (2*s14*s23^2*z1)/(s12*s123*s234*s34*z34) + 
   (2*s14*s23^2*z1)/(s12*s124*s234*s34*z34) + 
   (2*s23^3*z1)/(s12*s123*s234*s34*z34) + 
   (2*s23^3*z1)/(s12*s124*s234*s34*z34) - (2*s13*s23*s24*z1)/
    (s12*s123*s134*s34*z34) - (2*s13*s23*s24*z1)/(s12*s124*s134*s34*z34) - 
   (2*s14*s23*s24*z1)/(s12*s123*s134*s34*z34) - 
   (2*s14*s23*s24*z1)/(s12*s124*s134*s34*z34) + 
   (2*s23*s24*z1)/(s123*s234*s34*z34) + (2*s23*s24*z1)/(s124*s234*s34*z34) + 
   (2*s13*s23*s24*z1)/(s12*s123*s234*s34*z34) + 
   (2*s13*s23*s24*z1)/(s12*s124*s234*s34*z34) + 
   (2*s14*s23*s24*z1)/(s12*s123*s234*s34*z34) + 
   (2*s14*s23*s24*z1)/(s12*s124*s234*s34*z34) + 
   (4*s23^2*s24*z1)/(s12*s123*s234*s34*z34) + 
   (4*s23^2*s24*z1)/(s12*s124*s234*s34*z34) + 
   (2*s23*s24^2*z1)/(s12*s123*s234*s34*z34) + 
   (2*s23*s24^2*z1)/(s12*s124*s234*s34*z34) - 
   (2*s23*s34*z1)/(s12*s123*s134*z34) - (2*s23*s34*z1)/(s12*s124*s134*z34) + 
   (2*s23*s34*z1)/(s12*s123*s234*z34) + (2*s23*s34*z1)/(s12*s124*s234*z34) + 
   (2*s13*z2)/(s123*s134*z34) + (2*s13*z2)/(s124*s134*z34) + 
   (4*s13^2*z2)/(s12*s123*s134*z34) + (4*s13^2*z2)/(s12*s124*s134*z34) + 
   (4*s13*s14*z2)/(s12*s123*s134*z34) + (4*s13*s14*z2)/(s12*s124*s134*z34) + 
   (2*s13*s23*z2)/(s12*s123*s134*z34) + (2*s13*s23*z2)/(s12*s124*s134*z34) + 
   (2*s12*z2)/(s234^2*z34) + (2*s13*z2)/(s234^2*z34) + 
   (2*s14*z2)/(s234^2*z34) + (4*s23*z2)/(s234^2*z34) - 
   (2*s13*z2)/(s123*s234*z34) - (2*s13*z2)/(s124*s234*z34) - 
   (2*s13^2*z2)/(s12*s123*s234*z34) - (2*s13^2*z2)/(s12*s124*s234*z34) - 
   (2*s12*z2)/(s134*s234*z34) - (4*s13*z2)/(s134*s234*z34) - 
   (2*s13*s14*z2)/(s12*s123*s234*z34) - (2*s13*s14*z2)/(s12*s124*s234*z34) - 
   (4*s14*z2)/(s134*s234*z34) - (4*s13*s23*z2)/(s12*s123*s234*z34) - 
   (4*s13*s23*z2)/(s12*s124*s234*z34) - (2*s23*z2)/(s134*s234*z34) + 
   (2*s13*s24*z2)/(s12*s123*s134*z34) + (2*s13*s24*z2)/(s12*s124*s134*z34) + 
   (4*s24*z2)/(s234^2*z34) - (4*s13*s24*z2)/(s12*s123*s234*z34) - 
   (4*s13*s24*z2)/(s12*s124*s234*z34) - (2*s24*z2)/(s134*s234*z34) + 
   (2*s13^2*z2)/(s123*s134*s34*z34) + (2*s13^2*z2)/(s124*s134*s34*z34) + 
   (2*s13^3*z2)/(s12*s123*s134*s34*z34) + 
   (2*s13^3*z2)/(s12*s124*s134*s34*z34) + (2*s13*s14*z2)/
    (s123*s134*s34*z34) + (2*s13*s14*z2)/(s124*s134*s34*z34) + 
   (4*s13^2*s14*z2)/(s12*s123*s134*s34*z34) + 
   (4*s13^2*s14*z2)/(s12*s124*s134*s34*z34) + 
   (2*s13*s14^2*z2)/(s12*s123*s134*s34*z34) + 
   (2*s13*s14^2*z2)/(s12*s124*s134*s34*z34) + 
   (2*s13^2*s23*z2)/(s12*s123*s134*s34*z34) + 
   (2*s13^2*s23*z2)/(s12*s124*s134*s34*z34) + (2*s13*s14*s23*z2)/
    (s12*s123*s134*s34*z34) + (2*s13*s14*s23*z2)/(s12*s124*s134*s34*z34) + 
   (2*s12*s23*z2)/(s234^2*s34*z34) + (2*s13*s23*z2)/(s234^2*s34*z34) + 
   (2*s14*s23*z2)/(s234^2*s34*z34) + (2*s23^2*z2)/(s234^2*s34*z34) - 
   (2*s12*s13*z2)/(s134*s234*s34*z34) - (2*s13^2*z2)/(s134*s234*s34*z34) - 
   (2*s12*s14*z2)/(s134*s234*s34*z34) - (4*s13*s14*z2)/(s134*s234*s34*z34) - 
   (2*s14^2*z2)/(s134*s234*s34*z34) - (2*s13*s23*z2)/(s123*s234*s34*z34) - 
   (2*s13*s23*z2)/(s124*s234*s34*z34) - (2*s13^2*s23*z2)/
    (s12*s123*s234*s34*z34) - (2*s13^2*s23*z2)/(s12*s124*s234*s34*z34) - 
   (2*s13*s23*z2)/(s134*s234*s34*z34) - (2*s13*s14*s23*z2)/
    (s12*s123*s234*s34*z34) - (2*s13*s14*s23*z2)/(s12*s124*s234*s34*z34) - 
   (2*s14*s23*z2)/(s134*s234*s34*z34) - (2*s13*s23^2*z2)/
    (s12*s123*s234*s34*z34) - (2*s13*s23^2*z2)/(s12*s124*s234*s34*z34) + 
   (2*s13^2*s24*z2)/(s12*s123*s134*s34*z34) + 
   (2*s13^2*s24*z2)/(s12*s124*s134*s34*z34) + (2*s13*s14*s24*z2)/
    (s12*s123*s134*s34*z34) + (2*s13*s14*s24*z2)/(s12*s124*s134*s34*z34) + 
   (2*s12*s24*z2)/(s234^2*s34*z34) + (2*s13*s24*z2)/(s234^2*s34*z34) + 
   (2*s14*s24*z2)/(s234^2*s34*z34) + (4*s23*s24*z2)/(s234^2*s34*z34) - 
   (2*s13*s24*z2)/(s123*s234*s34*z34) - (2*s13*s24*z2)/(s124*s234*s34*z34) - 
   (2*s13^2*s24*z2)/(s12*s123*s234*s34*z34) - 
   (2*s13^2*s24*z2)/(s12*s124*s234*s34*z34) - 
   (2*s13*s24*z2)/(s134*s234*s34*z34) - (2*s13*s14*s24*z2)/
    (s12*s123*s234*s34*z34) - (2*s13*s14*s24*z2)/(s12*s124*s234*s34*z34) - 
   (2*s14*s24*z2)/(s134*s234*s34*z34) - (4*s13*s23*s24*z2)/
    (s12*s123*s234*s34*z34) - (4*s13*s23*s24*z2)/(s12*s124*s234*s34*z34) + 
   (2*s24^2*z2)/(s234^2*s34*z34) - (2*s13*s24^2*z2)/(s12*s123*s234*s34*z34) - 
   (2*s13*s24^2*z2)/(s12*s124*s234*s34*z34) + 
   (2*s13*s34*z2)/(s12*s123*s134*z34) + (2*s13*s34*z2)/(s12*s124*s134*z34) + 
   (2*s34*z2)/(s234^2*z34) - (2*s13*s34*z2)/(s12*s123*s234*z34) - 
   (2*s13*s34*z2)/(s12*s124*s234*z34) - (2*s34*z2)/(s134*s234*z34) + 
   (2*s12*z3)/(s123*s134*z34) - (2*s12*z3)/(s124*s134*z34) + 
   (4*s13*z3)/(s123*s134*z34) - (4*s13*z3)/(s124*s134*z34) + 
   (4*s14*z3)/(s123*s134*z34) - (4*s14*z3)/(s124*s134*z34) - 
   (2*s23*z3)/(s123*s134*z34) - (2*s23*z3)/(s124*s134*z34) - 
   (8*s13*s23*z3)/(s12*s123*s134*z34) - (8*s14*s23*z3)/(s12*s123*s134*z34) - 
   (4*s23^2*z3)/(s12*s123*s134*z34) + (2*s23*z3)/(s234^2*z34) - 
   (2*s12*z3)/(s123*s234*z34) + (2*s12*z3)/(s124*s234*z34) - 
   (2*s13*z3)/(s123*s234*z34) + (2*s13*z3)/(s124*s234*z34) - 
   (2*s14*z3)/(s123*s234*z34) + (2*s14*z3)/(s124*s234*z34) + 
   (4*s23*z3)/(s124*s234*z34) + (4*s13*s23*z3)/(s12*s123*s234*z34) - 
   (2*s23*z3)/(s134*s234*z34) + (4*s14*s23*z3)/(s12*s123*s234*z34) + 
   (8*s23^2*z3)/(s12*s123*s234*z34) + (2*s24*z3)/(s123*s134*z34) + 
   (2*s24*z3)/(s124*s134*z34) + (8*s13*s24*z3)/(s12*s124*s134*z34) + 
   (8*s14*s24*z3)/(s12*s124*s134*z34) - (4*s23*s24*z3)/(s12*s123*s134*z34) + 
   (4*s23*s24*z3)/(s12*s124*s134*z34) - (4*s24*z3)/(s123*s234*z34) - 
   (4*s13*s24*z3)/(s12*s124*s234*z34) - (4*s14*s24*z3)/(s12*s124*s234*z34) + 
   (8*s23*s24*z3)/(s12*s123*s234*z34) - (8*s23*s24*z3)/(s12*s124*s234*z34) + 
   (4*s24^2*z3)/(s12*s124*s134*z34) - (8*s24^2*z3)/(s12*s124*s234*z34) + 
   (2*s12*s23^2*z3)/(s234^2*s34^2*z34) + (2*s13*s23^2*z3)/
    (s234^2*s34^2*z34) + (2*s14*s23^2*z3)/(s234^2*s34^2*z34) + 
   (2*s23^3*z3)/(s234^2*s34^2*z34) - (2*s12*s13*s23*z3)/
    (s134*s234*s34^2*z34) - (2*s13^2*s23*z3)/(s134*s234*s34^2*z34) - 
   (2*s12*s14*s23*z3)/(s134*s234*s34^2*z34) - (4*s13*s14*s23*z3)/
    (s134*s234*s34^2*z34) - (2*s14^2*s23*z3)/(s134*s234*s34^2*z34) - 
   (2*s13*s23^2*z3)/(s134*s234*s34^2*z34) - (2*s14*s23^2*z3)/
    (s134*s234*s34^2*z34) + (2*s12*s23*s24*z3)/(s234^2*s34^2*z34) + 
   (2*s13*s23*s24*z3)/(s234^2*s34^2*z34) + (2*s14*s23*s24*z3)/
    (s234^2*s34^2*z34) + (4*s23^2*s24*z3)/(s234^2*s34^2*z34) - 
   (2*s13*s23*s24*z3)/(s134*s234*s34^2*z34) - (2*s14*s23*s24*z3)/
    (s134*s234*s34^2*z34) + (2*s23*s24^2*z3)/(s234^2*s34^2*z34) + 
   (2*s12*s13*z3)/(s123*s134*s34*z34) - (2*s12*s13*z3)/(s124*s134*s34*z34) + 
   (2*s13^2*z3)/(s123*s134*s34*z34) - (2*s13^2*z3)/(s124*s134*s34*z34) + 
   (2*s12*s14*z3)/(s123*s134*s34*z34) - (2*s12*s14*z3)/(s124*s134*s34*z34) + 
   (4*s13*s14*z3)/(s123*s134*s34*z34) - (4*s13*s14*z3)/(s124*s134*s34*z34) + 
   (2*s14^2*z3)/(s123*s134*s34*z34) - (2*s14^2*z3)/(s124*s134*s34*z34) - 
   (2*s13*s23*z3)/(s123*s134*s34*z34) - (2*s13*s23*z3)/(s124*s134*s34*z34) - 
   (4*s13^2*s23*z3)/(s12*s123*s134*s34*z34) - 
   (2*s14*s23*z3)/(s123*s134*s34*z34) - (2*s14*s23*z3)/(s124*s134*s34*z34) - 
   (8*s13*s14*s23*z3)/(s12*s123*s134*s34*z34) - 
   (4*s14^2*s23*z3)/(s12*s123*s134*s34*z34) - 
   (4*s13*s23^2*z3)/(s12*s123*s134*s34*z34) - 
   (4*s14*s23^2*z3)/(s12*s123*s134*s34*z34) + 
   (2*s12*s23*z3)/(s234^2*s34*z34) + (2*s13*s23*z3)/(s234^2*s34*z34) + 
   (2*s14*s23*z3)/(s234^2*s34*z34) + (4*s23^2*z3)/(s234^2*s34*z34) - 
   (2*s12*s23*z3)/(s123*s234*s34*z34) + (2*s12*s23*z3)/(s124*s234*s34*z34) - 
   (2*s13*s23*z3)/(s123*s234*s34*z34) + (2*s13*s23*z3)/(s124*s234*s34*z34) - 
   (2*s12*s23*z3)/(s134*s234*s34*z34) - (4*s13*s23*z3)/(s134*s234*s34*z34) - 
   (2*s14*s23*z3)/(s123*s234*s34*z34) + (2*s14*s23*z3)/(s124*s234*s34*z34) - 
   (4*s14*s23*z3)/(s134*s234*s34*z34) + (2*s23^2*z3)/(s123*s234*s34*z34) + 
   (2*s23^2*z3)/(s124*s234*s34*z34) + (4*s13*s23^2*z3)/
    (s12*s123*s234*s34*z34) - (2*s23^2*z3)/(s134*s234*s34*z34) + 
   (4*s14*s23^2*z3)/(s12*s123*s234*s34*z34) + 
   (4*s23^3*z3)/(s12*s123*s234*s34*z34) + (2*s13*s24*z3)/
    (s123*s134*s34*z34) + (2*s13*s24*z3)/(s124*s134*s34*z34) + 
   (4*s13^2*s24*z3)/(s12*s124*s134*s34*z34) + 
   (2*s14*s24*z3)/(s123*s134*s34*z34) + (2*s14*s24*z3)/(s124*s134*s34*z34) + 
   (8*s13*s14*s24*z3)/(s12*s124*s134*s34*z34) + 
   (4*s14^2*s24*z3)/(s12*s124*s134*s34*z34) - (4*s13*s23*s24*z3)/
    (s12*s123*s134*s34*z34) + (4*s13*s23*s24*z3)/(s12*s124*s134*s34*z34) - 
   (4*s14*s23*s24*z3)/(s12*s123*s134*s34*z34) + 
   (4*s14*s23*s24*z3)/(s12*s124*s134*s34*z34) + 
   (4*s23*s24*z3)/(s234^2*s34*z34) - (2*s12*s24*z3)/(s123*s234*s34*z34) + 
   (2*s12*s24*z3)/(s124*s234*s34*z34) - (2*s13*s24*z3)/(s123*s234*s34*z34) + 
   (2*s13*s24*z3)/(s124*s234*s34*z34) - (2*s14*s24*z3)/(s123*s234*s34*z34) + 
   (2*s14*s24*z3)/(s124*s234*s34*z34) + (4*s13*s23*s24*z3)/
    (s12*s123*s234*s34*z34) - (4*s13*s23*s24*z3)/(s12*s124*s234*s34*z34) - 
   (2*s23*s24*z3)/(s134*s234*s34*z34) + (4*s14*s23*s24*z3)/
    (s12*s123*s234*s34*z34) - (4*s14*s23*s24*z3)/(s12*s124*s234*s34*z34) + 
   (8*s23^2*s24*z3)/(s12*s123*s234*s34*z34) - 
   (4*s23^2*s24*z3)/(s12*s124*s234*s34*z34) + 
   (4*s13*s24^2*z3)/(s12*s124*s134*s34*z34) + 
   (4*s14*s24^2*z3)/(s12*s124*s134*s34*z34) - 
   (2*s24^2*z3)/(s123*s234*s34*z34) - (2*s24^2*z3)/(s124*s234*s34*z34) - 
   (4*s13*s24^2*z3)/(s12*s124*s234*s34*z34) - 
   (4*s14*s24^2*z3)/(s12*s124*s234*s34*z34) + 
   (4*s23*s24^2*z3)/(s12*s123*s234*s34*z34) - 
   (8*s23*s24^2*z3)/(s12*s124*s234*s34*z34) - 
   (4*s24^3*z3)/(s12*s124*s234*s34*z34) + (2*s34*z3)/(s123*s134*z34) - 
   (2*s34*z3)/(s124*s134*z34) - (4*s23*s34*z3)/(s12*s123*s134*z34) - 
   (2*s34*z3)/(s123*s234*z34) + (2*s34*z3)/(s124*s234*z34) + 
   (4*s23*s34*z3)/(s12*s123*s234*z34) + (4*s24*s34*z3)/(s12*s124*s134*z34) - 
   (4*s24*s34*z3)/(s12*s124*s234*z34) + (4*s12*z2*z3)/(s123*s134*z12*z34) - 
   (4*s12*z2*z3)/(s124*s134*z12*z34) + (12*s13*z2*z3)/(s123*s134*z12*z34) - 
   (8*s13*z2*z3)/(s124*s134*z12*z34) + (8*s13^2*z2*z3)/
    (s12*s123*s134*z12*z34) + (8*s14*z2*z3)/(s123*s134*z12*z34) - 
   (12*s14*z2*z3)/(s124*s134*z12*z34) + (8*s13*s14*z2*z3)/
    (s12*s123*s134*z12*z34) - (8*s13*s14*z2*z3)/(s12*s124*s134*z12*z34) - 
   (8*s14^2*z2*z3)/(s12*s124*s134*z12*z34) + 
   (8*s23*z2*z3)/(s123*s134*z12*z34) - (4*s23*z2*z3)/(s124*s134*z12*z34) + 
   (12*s13*s23*z2*z3)/(s12*s123*s134*z12*z34) + 
   (8*s14*s23*z2*z3)/(s12*s123*s134*z12*z34) - 
   (4*s14*s23*z2*z3)/(s12*s124*s134*z12*z34) + 
   (4*s23^2*z2*z3)/(s12*s123*s134*z12*z34) - 
   (4*s12*z2*z3)/(s123*s234*z12*z34) + (4*s12*z2*z3)/(s124*s234*z12*z34) - 
   (8*s13*z2*z3)/(s123*s234*z12*z34) + (4*s13*z2*z3)/(s124*s234*z12*z34) - 
   (4*s13^2*z2*z3)/(s12*s123*s234*z12*z34) - 
   (4*s14*z2*z3)/(s123*s234*z12*z34) + (8*s14*z2*z3)/(s124*s234*z12*z34) - 
   (4*s13*s14*z2*z3)/(s12*s123*s234*z12*z34) + 
   (4*s13*s14*z2*z3)/(s12*s124*s234*z12*z34) + 
   (4*s14^2*z2*z3)/(s12*s124*s234*z12*z34) - 
   (12*s23*z2*z3)/(s123*s234*z12*z34) + (8*s23*z2*z3)/(s124*s234*z12*z34) - 
   (12*s13*s23*z2*z3)/(s12*s123*s234*z12*z34) - 
   (4*s14*s23*z2*z3)/(s12*s123*s234*z12*z34) + 
   (8*s14*s23*z2*z3)/(s12*s124*s234*z12*z34) - 
   (8*s23^2*z2*z3)/(s12*s123*s234*z12*z34) + 
   (4*s24*z2*z3)/(s123*s134*z12*z34) - (8*s24*z2*z3)/(s124*s134*z12*z34) + 
   (4*s13*s24*z2*z3)/(s12*s123*s134*z12*z34) - 
   (8*s13*s24*z2*z3)/(s12*s124*s134*z12*z34) - 
   (12*s14*s24*z2*z3)/(s12*s124*s134*z12*z34) + 
   (4*s23*s24*z2*z3)/(s12*s123*s134*z12*z34) - 
   (4*s23*s24*z2*z3)/(s12*s124*s134*z12*z34) - 
   (8*s24*z2*z3)/(s123*s234*z12*z34) + (12*s24*z2*z3)/(s124*s234*z12*z34) - 
   (8*s13*s24*z2*z3)/(s12*s123*s234*z12*z34) + 
   (4*s13*s24*z2*z3)/(s12*s124*s234*z12*z34) + 
   (12*s14*s24*z2*z3)/(s12*s124*s234*z12*z34) - 
   (8*s23*s24*z2*z3)/(s12*s123*s234*z12*z34) + 
   (8*s23*s24*z2*z3)/(s12*s124*s234*z12*z34) - 
   (4*s24^2*z2*z3)/(s12*s124*s134*z12*z34) + 
   (8*s24^2*z2*z3)/(s12*s124*s234*z12*z34) + (4*s12*s13*z2*z3)/
    (s123*s134*s34*z12*z34) - (4*s12*s13*z2*z3)/(s124*s134*s34*z12*z34) + 
   (8*s13^2*z2*z3)/(s123*s134*s34*z12*z34) - 
   (4*s13^2*z2*z3)/(s124*s134*s34*z12*z34) + 
   (4*s13^3*z2*z3)/(s12*s123*s134*s34*z12*z34) + 
   (4*s12*s14*z2*z3)/(s123*s134*s34*z12*z34) - 
   (4*s12*s14*z2*z3)/(s124*s134*s34*z12*z34) + 
   (12*s13*s14*z2*z3)/(s123*s134*s34*z12*z34) - 
   (12*s13*s14*z2*z3)/(s124*s134*s34*z12*z34) + 
   (8*s13^2*s14*z2*z3)/(s12*s123*s134*s34*z12*z34) - 
   (4*s13^2*s14*z2*z3)/(s12*s124*s134*s34*z12*z34) + 
   (4*s14^2*z2*z3)/(s123*s134*s34*z12*z34) - 
   (8*s14^2*z2*z3)/(s124*s134*s34*z12*z34) + (4*s13*s14^2*z2*z3)/
    (s12*s123*s134*s34*z12*z34) - (8*s13*s14^2*z2*z3)/
    (s12*s124*s134*s34*z12*z34) - (4*s14^3*z2*z3)/(s12*s124*s134*s34*z12*
     z34) + (8*s13*s23*z2*z3)/(s123*s134*s34*z12*z34) - 
   (4*s13*s23*z2*z3)/(s124*s134*s34*z12*z34) + (8*s13^2*s23*z2*z3)/
    (s12*s123*s134*s34*z12*z34) + (8*s14*s23*z2*z3)/(s123*s134*s34*z12*z34) - 
   (4*s14*s23*z2*z3)/(s124*s134*s34*z12*z34) + (12*s13*s14*s23*z2*z3)/
    (s12*s123*s134*s34*z12*z34) - (4*s13*s14*s23*z2*z3)/
    (s12*s124*s134*s34*z12*z34) + (4*s14^2*s23*z2*z3)/
    (s12*s123*s134*s34*z12*z34) - (4*s14^2*s23*z2*z3)/
    (s12*s124*s134*s34*z12*z34) + (4*s13*s23^2*z2*z3)/
    (s12*s123*s134*s34*z12*z34) + (4*s14*s23^2*z2*z3)/
    (s12*s123*s134*s34*z12*z34) - (4*s12*s23*z2*z3)/(s123*s234*s34*z12*z34) + 
   (4*s12*s23*z2*z3)/(s124*s234*s34*z12*z34) - 
   (8*s13*s23*z2*z3)/(s123*s234*s34*z12*z34) + 
   (4*s13*s23*z2*z3)/(s124*s234*s34*z12*z34) - (4*s13^2*s23*z2*z3)/
    (s12*s123*s234*s34*z12*z34) - (4*s14*s23*z2*z3)/(s123*s234*s34*z12*z34) + 
   (8*s14*s23*z2*z3)/(s124*s234*s34*z12*z34) - (4*s13*s14*s23*z2*z3)/
    (s12*s123*s234*s34*z12*z34) + (4*s13*s14*s23*z2*z3)/
    (s12*s124*s234*s34*z12*z34) + (4*s14^2*s23*z2*z3)/
    (s12*s124*s234*s34*z12*z34) - (8*s23^2*z2*z3)/(s123*s234*s34*z12*z34) + 
   (4*s23^2*z2*z3)/(s124*s234*s34*z12*z34) - (8*s13*s23^2*z2*z3)/
    (s12*s123*s234*s34*z12*z34) - (4*s14*s23^2*z2*z3)/
    (s12*s123*s234*s34*z12*z34) + (4*s14*s23^2*z2*z3)/
    (s12*s124*s234*s34*z12*z34) - (4*s23^3*z2*z3)/(s12*s123*s234*s34*z12*
     z34) + (4*s13*s24*z2*z3)/(s123*s134*s34*z12*z34) - 
   (8*s13*s24*z2*z3)/(s124*s134*s34*z12*z34) + (4*s13^2*s24*z2*z3)/
    (s12*s123*s134*s34*z12*z34) - (4*s13^2*s24*z2*z3)/
    (s12*s124*s134*s34*z12*z34) + (4*s14*s24*z2*z3)/(s123*s134*s34*z12*z34) - 
   (8*s14*s24*z2*z3)/(s124*s134*s34*z12*z34) + (4*s13*s14*s24*z2*z3)/
    (s12*s123*s134*s34*z12*z34) - (12*s13*s14*s24*z2*z3)/
    (s12*s124*s134*s34*z12*z34) - (8*s14^2*s24*z2*z3)/
    (s12*s124*s134*s34*z12*z34) + (4*s13*s23*s24*z2*z3)/
    (s12*s123*s134*s34*z12*z34) - (4*s13*s23*s24*z2*z3)/
    (s12*s124*s134*s34*z12*z34) + (4*s14*s23*s24*z2*z3)/
    (s12*s123*s134*s34*z12*z34) - (4*s14*s23*s24*z2*z3)/
    (s12*s124*s134*s34*z12*z34) - (4*s12*s24*z2*z3)/(s123*s234*s34*z12*z34) + 
   (4*s12*s24*z2*z3)/(s124*s234*s34*z12*z34) - 
   (8*s13*s24*z2*z3)/(s123*s234*s34*z12*z34) + 
   (4*s13*s24*z2*z3)/(s124*s234*s34*z12*z34) - (4*s13^2*s24*z2*z3)/
    (s12*s123*s234*s34*z12*z34) - (4*s14*s24*z2*z3)/(s123*s234*s34*z12*z34) + 
   (8*s14*s24*z2*z3)/(s124*s234*s34*z12*z34) - (4*s13*s14*s24*z2*z3)/
    (s12*s123*s234*s34*z12*z34) + (4*s13*s14*s24*z2*z3)/
    (s12*s124*s234*s34*z12*z34) + (4*s14^2*s24*z2*z3)/
    (s12*s124*s234*s34*z12*z34) - (12*s23*s24*z2*z3)/
    (s123*s234*s34*z12*z34) + (12*s23*s24*z2*z3)/(s124*s234*s34*z12*z34) - 
   (12*s13*s23*s24*z2*z3)/(s12*s123*s234*s34*z12*z34) + 
   (4*s13*s23*s24*z2*z3)/(s12*s124*s234*s34*z12*z34) - 
   (4*s14*s23*s24*z2*z3)/(s12*s123*s234*s34*z12*z34) + 
   (12*s14*s23*s24*z2*z3)/(s12*s124*s234*s34*z12*z34) - 
   (8*s23^2*s24*z2*z3)/(s12*s123*s234*s34*z12*z34) + 
   (4*s23^2*s24*z2*z3)/(s12*s124*s234*s34*z12*z34) - 
   (4*s13*s24^2*z2*z3)/(s12*s124*s134*s34*z12*z34) - 
   (4*s14*s24^2*z2*z3)/(s12*s124*s134*s34*z12*z34) - 
   (4*s24^2*z2*z3)/(s123*s234*s34*z12*z34) + 
   (8*s24^2*z2*z3)/(s124*s234*s34*z12*z34) - (4*s13*s24^2*z2*z3)/
    (s12*s123*s234*s34*z12*z34) + (4*s13*s24^2*z2*z3)/
    (s12*s124*s234*s34*z12*z34) + (8*s14*s24^2*z2*z3)/
    (s12*s124*s234*s34*z12*z34) - (4*s23*s24^2*z2*z3)/
    (s12*s123*s234*s34*z12*z34) + (8*s23*s24^2*z2*z3)/
    (s12*s124*s234*s34*z12*z34) + (4*s24^3*z2*z3)/(s12*s124*s234*s34*z12*
     z34) + (4*s34*z2*z3)/(s123*s134*z12*z34) - 
   (4*s34*z2*z3)/(s124*s134*z12*z34) + (4*s13*s34*z2*z3)/
    (s12*s123*s134*z12*z34) - (4*s14*s34*z2*z3)/(s12*s124*s134*z12*z34) + 
   (4*s23*s34*z2*z3)/(s12*s123*s134*z12*z34) - 
   (4*s34*z2*z3)/(s123*s234*z12*z34) + (4*s34*z2*z3)/(s124*s234*z12*z34) - 
   (4*s13*s34*z2*z3)/(s12*s123*s234*z12*z34) + 
   (4*s14*s34*z2*z3)/(s12*s124*s234*z12*z34) - 
   (4*s23*s34*z2*z3)/(s12*s123*s234*z12*z34) - 
   (4*s24*s34*z2*z3)/(s12*s124*s134*z12*z34) + 
   (4*s24*s34*z2*z3)/(s12*s124*s234*z12*z34) + (2*s23*z4)/(s123*s134*z12) - 
   (2*s23*z4)/(s124*s134*z12) + (2*s13*s23*z4)/(s12*s123*s134*z12) - 
   (2*s14*s23*z4)/(s12*s124*s134*z12) + (2*s23^2*z4)/(s12*s123*s134*z12) + 
   (2*s23*z4)/(s123*s234*z12) - (2*s23*z4)/(s124*s234*z12) + 
   (2*s13*s23*z4)/(s12*s123*s234*z12) - (2*s14*s23*z4)/(s12*s124*s234*z12) + 
   (2*s23^2*z4)/(s12*s123*s234*z12) - (2*s23*s24*z4)/(s12*s124*s134*z12) - 
   (2*s23*s24*z4)/(s12*s124*s234*z12) + (2*s12*s23*z4)/(s123*s134*s34*z12) - 
   (2*s12*s23*z4)/(s124*s134*s34*z12) + (4*s13*s23*z4)/(s123*s134*s34*z12) - 
   (2*s13*s23*z4)/(s124*s134*s34*z12) + (2*s13^2*s23*z4)/
    (s12*s123*s134*s34*z12) + (2*s14*s23*z4)/(s123*s134*s34*z12) - 
   (4*s14*s23*z4)/(s124*s134*s34*z12) + (2*s13*s14*s23*z4)/
    (s12*s123*s134*s34*z12) - (2*s13*s14*s23*z4)/(s12*s124*s134*s34*z12) - 
   (2*s14^2*s23*z4)/(s12*s124*s134*s34*z12) + 
   (4*s23^2*z4)/(s123*s134*s34*z12) - (2*s23^2*z4)/(s124*s134*s34*z12) + 
   (4*s13*s23^2*z4)/(s12*s123*s134*s34*z12) + 
   (2*s14*s23^2*z4)/(s12*s123*s134*s34*z12) - 
   (2*s14*s23^2*z4)/(s12*s124*s134*s34*z12) + 
   (2*s23^3*z4)/(s12*s123*s134*s34*z12) + (2*s12*s23*z4)/
    (s123*s234*s34*z12) - (2*s12*s23*z4)/(s124*s234*s34*z12) + 
   (4*s13*s23*z4)/(s123*s234*s34*z12) - (2*s13*s23*z4)/(s124*s234*s34*z12) + 
   (2*s13^2*s23*z4)/(s12*s123*s234*s34*z12) + 
   (2*s14*s23*z4)/(s123*s234*s34*z12) - (4*s14*s23*z4)/(s124*s234*s34*z12) + 
   (2*s13*s14*s23*z4)/(s12*s123*s234*s34*z12) - 
   (2*s13*s14*s23*z4)/(s12*s124*s234*s34*z12) - 
   (2*s14^2*s23*z4)/(s12*s124*s234*s34*z12) + 
   (4*s23^2*z4)/(s123*s234*s34*z12) - (2*s23^2*z4)/(s124*s234*s34*z12) + 
   (4*s13*s23^2*z4)/(s12*s123*s234*s34*z12) + 
   (2*s14*s23^2*z4)/(s12*s123*s234*s34*z12) - 
   (2*s14*s23^2*z4)/(s12*s124*s234*s34*z12) + 
   (2*s23^3*z4)/(s12*s123*s234*s34*z12) + (2*s23*s24*z4)/
    (s123*s134*s34*z12) - (4*s23*s24*z4)/(s124*s134*s34*z12) + 
   (2*s13*s23*s24*z4)/(s12*s123*s134*s34*z12) - 
   (2*s13*s23*s24*z4)/(s12*s124*s134*s34*z12) - 
   (4*s14*s23*s24*z4)/(s12*s124*s134*s34*z12) + 
   (2*s23^2*s24*z4)/(s12*s123*s134*s34*z12) - 
   (2*s23^2*s24*z4)/(s12*s124*s134*s34*z12) + 
   (2*s23*s24*z4)/(s123*s234*s34*z12) - (4*s23*s24*z4)/(s124*s234*s34*z12) + 
   (2*s13*s23*s24*z4)/(s12*s123*s234*s34*z12) - 
   (2*s13*s23*s24*z4)/(s12*s124*s234*s34*z12) - 
   (4*s14*s23*s24*z4)/(s12*s124*s234*s34*z12) + 
   (2*s23^2*s24*z4)/(s12*s123*s234*s34*z12) - 
   (2*s23^2*s24*z4)/(s12*s124*s234*s34*z12) - 
   (2*s23*s24^2*z4)/(s12*s124*s134*s34*z12) - 
   (2*s23*s24^2*z4)/(s12*s124*s234*s34*z12) - (2*s23*z4)/(s234^2*z34) + 
   (2*s23*z4)/(s134*s234*z34) - (2*s12*s23^2*z4)/(s234^2*s34^2*z34) - 
   (2*s13*s23^2*z4)/(s234^2*s34^2*z34) - (2*s14*s23^2*z4)/
    (s234^2*s34^2*z34) - (2*s23^3*z4)/(s234^2*s34^2*z34) + 
   (2*s12*s13*s23*z4)/(s134*s234*s34^2*z34) + 
   (2*s13^2*s23*z4)/(s134*s234*s34^2*z34) + (2*s12*s14*s23*z4)/
    (s134*s234*s34^2*z34) + (4*s13*s14*s23*z4)/(s134*s234*s34^2*z34) + 
   (2*s14^2*s23*z4)/(s134*s234*s34^2*z34) + (2*s13*s23^2*z4)/
    (s134*s234*s34^2*z34) + (2*s14*s23^2*z4)/(s134*s234*s34^2*z34) - 
   (2*s12*s23*s24*z4)/(s234^2*s34^2*z34) - (2*s13*s23*s24*z4)/
    (s234^2*s34^2*z34) - (2*s14*s23*s24*z4)/(s234^2*s34^2*z34) - 
   (4*s23^2*s24*z4)/(s234^2*s34^2*z34) + (2*s13*s23*s24*z4)/
    (s134*s234*s34^2*z34) + (2*s14*s23*s24*z4)/(s134*s234*s34^2*z34) - 
   (2*s23*s24^2*z4)/(s234^2*s34^2*z34) - (2*s12*s23*z4)/(s234^2*s34*z34) - 
   (2*s13*s23*z4)/(s234^2*s34*z34) - (2*s14*s23*z4)/(s234^2*s34*z34) - 
   (4*s23^2*z4)/(s234^2*s34*z34) + (2*s12*s23*z4)/(s134*s234*s34*z34) + 
   (4*s13*s23*z4)/(s134*s234*s34*z34) + (4*s14*s23*z4)/(s134*s234*s34*z34) + 
   (2*s23^2*z4)/(s134*s234*s34*z34) - (4*s23*s24*z4)/(s234^2*s34*z34) + 
   (2*s23*s24*z4)/(s134*s234*s34*z34)) + 
 k3k3*((-4*s14)/(s123*s124) - (4*s13*s14)/(s12*s123*s124) - 
   (2*D*s14)/(s123*s134) + (8*s14)/(s124*s134) - (2*D*s14)/(s124*s134) - 
   (4*s14^2)/(s12*s123*s124) - (4*s14*s23)/(s12*s123*s124) + 
   (8*s12)/(s134*s234) - (2*D*s12)/(s134*s234) - (8*s14)/(s123*s234) + 
   (2*D*s14)/(s123*s234) - (8*s14)/(s124*s234) + (2*D*s14)/(s124*s234) - 
   (8*s14*s23)/(s12*s123*s234) - (4*s24)/(s123*s124) - 
   (4*s13*s24)/(s12*s123*s124) + (8*s24)/(s123*s134) - 
   (2*D*s24)/(s123*s134) + (8*s24)/(s124*s134) - (2*D*s24)/(s124*s134) + 
   (8*s13*s24)/(s12*s123*s134) - (8*s14*s24)/(s12*s123*s124) - 
   (8*s14*s24)/(s12*s124*s134) - (4*s23*s24)/(s12*s123*s124) + 
   (2*D*s24)/(s123*s234) - (8*s24)/(s124*s234) + (2*D*s24)/(s124*s234) + 
   (8*s14*s24)/(s12*s124*s234) - (4*s24^2)/(s12*s123*s124) + 
   (8*s12*s14*s24)/(s134*s234*s34^2) + (8*s13*s14*s24)/(s134*s234*s34^2) + 
   (8*s14^2*s24)/(s134*s234*s34^2) + (8*s14*s23*s24)/(s134*s234*s34^2) + 
   (8*s14*s24^2)/(s134*s234*s34^2) - (2*D*s12*s14)/(s123*s134*s34) + 
   (8*s12*s14)/(s124*s134*s34) - (2*D*s12*s14)/(s124*s134*s34) - 
   (2*D*s13*s14)/(s123*s134*s34) + (8*s13*s14)/(s124*s134*s34) - 
   (2*D*s13*s14)/(s124*s134*s34) - (2*D*s14^2)/(s123*s134*s34) + 
   (8*s14^2)/(s124*s134*s34) - (2*D*s14^2)/(s124*s134*s34) - 
   (2*D*s14*s23)/(s123*s134*s34) + (8*s14*s23)/(s124*s134*s34) - 
   (2*D*s14*s23)/(s124*s134*s34) + (8*s12^2)/(s134*s234*s34) - 
   (2*D*s12^2)/(s134*s234*s34) + (8*s12*s13)/(s134*s234*s34) - 
   (2*D*s12*s13)/(s134*s234*s34) - (8*s12*s14)/(s123*s234*s34) + 
   (2*D*s12*s14)/(s123*s234*s34) - (8*s12*s14)/(s124*s234*s34) + 
   (2*D*s12*s14)/(s124*s234*s34) - (8*s13*s14)/(s123*s234*s34) + 
   (2*D*s13*s14)/(s123*s234*s34) - (8*s13*s14)/(s124*s234*s34) + 
   (2*D*s13*s14)/(s124*s234*s34) + (8*s12*s14)/(s134*s234*s34) - 
   (2*D*s12*s14)/(s134*s234*s34) - (8*s14^2)/(s123*s234*s34) + 
   (2*D*s14^2)/(s123*s234*s34) - (8*s14^2)/(s124*s234*s34) + 
   (2*D*s14^2)/(s124*s234*s34) + (8*s12*s23)/(s134*s234*s34) - 
   (2*D*s12*s23)/(s134*s234*s34) - (16*s14*s23)/(s123*s234*s34) + 
   (2*D*s14*s23)/(s123*s234*s34) - (8*s14*s23)/(s124*s234*s34) + 
   (2*D*s14*s23)/(s124*s234*s34) - (8*s13*s14*s23)/(s12*s123*s234*s34) - 
   (8*s14^2*s23)/(s12*s123*s234*s34) - (8*s14*s23^2)/(s12*s123*s234*s34) + 
   (8*s12*s24)/(s123*s134*s34) - (2*D*s12*s24)/(s123*s134*s34) + 
   (8*s12*s24)/(s124*s134*s34) - (2*D*s12*s24)/(s124*s134*s34) + 
   (16*s13*s24)/(s123*s134*s34) - (2*D*s13*s24)/(s123*s134*s34) + 
   (8*s13*s24)/(s124*s134*s34) - (2*D*s13*s24)/(s124*s134*s34) + 
   (8*s13^2*s24)/(s12*s123*s134*s34) + (8*s14*s24)/(s123*s134*s34) - 
   (4*D*s14*s24)/(s123*s134*s34) + (8*s14*s24)/(s124*s134*s34) - 
   (4*D*s14*s24)/(s124*s134*s34) + (8*s13*s14*s24)/(s12*s123*s134*s34) - 
   (8*s13*s14*s24)/(s12*s124*s134*s34) - (8*s14^2*s24)/(s12*s124*s134*s34) + 
   (8*s23*s24)/(s123*s134*s34) - (2*D*s23*s24)/(s123*s134*s34) + 
   (8*s23*s24)/(s124*s134*s34) - (2*D*s23*s24)/(s124*s134*s34) + 
   (8*s13*s23*s24)/(s12*s123*s134*s34) - (8*s14*s23*s24)/
    (s12*s124*s134*s34) + (2*D*s12*s24)/(s123*s234*s34) - 
   (8*s12*s24)/(s124*s234*s34) + (2*D*s12*s24)/(s124*s234*s34) + 
   (2*D*s13*s24)/(s123*s234*s34) - (8*s13*s24)/(s124*s234*s34) + 
   (2*D*s13*s24)/(s124*s234*s34) + (8*s12*s24)/(s134*s234*s34) - 
   (2*D*s12*s24)/(s134*s234*s34) - (8*s14*s24)/(s123*s234*s34) + 
   (4*D*s14*s24)/(s123*s234*s34) - (8*s14*s24)/(s124*s234*s34) + 
   (4*D*s14*s24)/(s124*s234*s34) + (8*s13*s14*s24)/(s12*s124*s234*s34) + 
   (8*s14*s24)/(s134*s234*s34) + (8*s14^2*s24)/(s12*s124*s234*s34) + 
   (2*D*s23*s24)/(s123*s234*s34) - (8*s23*s24)/(s124*s234*s34) + 
   (2*D*s23*s24)/(s124*s234*s34) - (8*s14*s23*s24)/(s12*s123*s234*s34) + 
   (8*s14*s23*s24)/(s12*s124*s234*s34) + (8*s24^2)/(s123*s134*s34) - 
   (2*D*s24^2)/(s123*s134*s34) + (8*s24^2)/(s124*s134*s34) - 
   (2*D*s24^2)/(s124*s134*s34) + (8*s13*s24^2)/(s12*s123*s134*s34) - 
   (8*s14*s24^2)/(s12*s124*s134*s34) + (2*D*s24^2)/(s123*s234*s34) - 
   (8*s24^2)/(s124*s234*s34) + (2*D*s24^2)/(s124*s234*s34) + 
   (8*s14*s24^2)/(s12*s124*s234*s34) - (4*s14*s34)/(s12*s123*s124) - 
   (4*s24*s34)/(s12*s123*s124) - (4*s24*z1)/(s123*s134*z12) + 
   (4*s24*z1)/(s124*s134*z12) - (4*s13*s24*z1)/(s12*s123*s134*z12) + 
   (4*s14*s24*z1)/(s12*s124*s134*z12) - (4*s23*s24*z1)/(s12*s123*s134*z12) + 
   (4*s24*z1)/(s123*s234*z12) - (4*s24*z1)/(s124*s234*z12) + 
   (4*s13*s24*z1)/(s12*s123*s234*z12) - (4*s14*s24*z1)/(s12*s124*s234*z12) + 
   (4*s23*s24*z1)/(s12*s123*s234*z12) + (4*s24^2*z1)/(s12*s124*s134*z12) - 
   (4*s24^2*z1)/(s12*s124*s234*z12) - (4*s12*s24*z1)/(s123*s134*s34*z12) + 
   (4*s12*s24*z1)/(s124*s134*s34*z12) - (8*s13*s24*z1)/(s123*s134*s34*z12) + 
   (4*s13*s24*z1)/(s124*s134*s34*z12) - (4*s13^2*s24*z1)/
    (s12*s123*s134*s34*z12) - (4*s14*s24*z1)/(s123*s134*s34*z12) + 
   (8*s14*s24*z1)/(s124*s134*s34*z12) - (4*s13*s14*s24*z1)/
    (s12*s123*s134*s34*z12) + (4*s13*s14*s24*z1)/(s12*s124*s134*s34*z12) + 
   (4*s14^2*s24*z1)/(s12*s124*s134*s34*z12) - 
   (8*s23*s24*z1)/(s123*s134*s34*z12) + (4*s23*s24*z1)/(s124*s134*s34*z12) - 
   (8*s13*s23*s24*z1)/(s12*s123*s134*s34*z12) - 
   (4*s14*s23*s24*z1)/(s12*s123*s134*s34*z12) + 
   (4*s14*s23*s24*z1)/(s12*s124*s134*s34*z12) - 
   (4*s23^2*s24*z1)/(s12*s123*s134*s34*z12) + 
   (4*s12*s24*z1)/(s123*s234*s34*z12) - (4*s12*s24*z1)/(s124*s234*s34*z12) + 
   (8*s13*s24*z1)/(s123*s234*s34*z12) - (4*s13*s24*z1)/(s124*s234*s34*z12) + 
   (4*s13^2*s24*z1)/(s12*s123*s234*s34*z12) + 
   (4*s14*s24*z1)/(s123*s234*s34*z12) - (8*s14*s24*z1)/(s124*s234*s34*z12) + 
   (4*s13*s14*s24*z1)/(s12*s123*s234*s34*z12) - 
   (4*s13*s14*s24*z1)/(s12*s124*s234*s34*z12) - 
   (4*s14^2*s24*z1)/(s12*s124*s234*s34*z12) + 
   (8*s23*s24*z1)/(s123*s234*s34*z12) - (4*s23*s24*z1)/(s124*s234*s34*z12) + 
   (8*s13*s23*s24*z1)/(s12*s123*s234*s34*z12) + 
   (4*s14*s23*s24*z1)/(s12*s123*s234*s34*z12) - 
   (4*s14*s23*s24*z1)/(s12*s124*s234*s34*z12) + 
   (4*s23^2*s24*z1)/(s12*s123*s234*s34*z12) - 
   (4*s24^2*z1)/(s123*s134*s34*z12) + (8*s24^2*z1)/(s124*s134*s34*z12) - 
   (4*s13*s24^2*z1)/(s12*s123*s134*s34*z12) + 
   (4*s13*s24^2*z1)/(s12*s124*s134*s34*z12) + 
   (8*s14*s24^2*z1)/(s12*s124*s134*s34*z12) - 
   (4*s23*s24^2*z1)/(s12*s123*s134*s34*z12) + 
   (4*s23*s24^2*z1)/(s12*s124*s134*s34*z12) + 
   (4*s24^2*z1)/(s123*s234*s34*z12) - (8*s24^2*z1)/(s124*s234*s34*z12) + 
   (4*s13*s24^2*z1)/(s12*s123*s234*s34*z12) - 
   (4*s13*s24^2*z1)/(s12*s124*s234*s34*z12) - 
   (8*s14*s24^2*z1)/(s12*s124*s234*s34*z12) + 
   (4*s23*s24^2*z1)/(s12*s123*s234*s34*z12) - 
   (4*s23*s24^2*z1)/(s12*s124*s234*s34*z12) + 
   (4*s24^3*z1)/(s12*s124*s134*s34*z12) - 
   (4*s24^3*z1)/(s12*s124*s234*s34*z12) - (4*s14*z2)/(s123*s134*z12) + 
   (4*s14*z2)/(s124*s134*z12) - (4*s13*s14*z2)/(s12*s123*s134*z12) + 
   (4*s14^2*z2)/(s12*s124*s134*z12) - (4*s14*s23*z2)/(s12*s123*s134*z12) + 
   (4*s14*z2)/(s123*s234*z12) - (4*s14*z2)/(s124*s234*z12) + 
   (4*s13*s14*z2)/(s12*s123*s234*z12) - (4*s14^2*z2)/(s12*s124*s234*z12) + 
   (4*s14*s23*z2)/(s12*s123*s234*z12) + (4*s14*s24*z2)/(s12*s124*s134*z12) - 
   (4*s14*s24*z2)/(s12*s124*s234*z12) - (4*s12*s14*z2)/(s123*s134*s34*z12) + 
   (4*s12*s14*z2)/(s124*s134*s34*z12) - (8*s13*s14*z2)/(s123*s134*s34*z12) + 
   (4*s13*s14*z2)/(s124*s134*s34*z12) - (4*s13^2*s14*z2)/
    (s12*s123*s134*s34*z12) - (4*s14^2*z2)/(s123*s134*s34*z12) + 
   (8*s14^2*z2)/(s124*s134*s34*z12) - (4*s13*s14^2*z2)/
    (s12*s123*s134*s34*z12) + (4*s13*s14^2*z2)/(s12*s124*s134*s34*z12) + 
   (4*s14^3*z2)/(s12*s124*s134*s34*z12) - (8*s14*s23*z2)/
    (s123*s134*s34*z12) + (4*s14*s23*z2)/(s124*s134*s34*z12) - 
   (8*s13*s14*s23*z2)/(s12*s123*s134*s34*z12) - 
   (4*s14^2*s23*z2)/(s12*s123*s134*s34*z12) + 
   (4*s14^2*s23*z2)/(s12*s124*s134*s34*z12) - 
   (4*s14*s23^2*z2)/(s12*s123*s134*s34*z12) + 
   (4*s12*s14*z2)/(s123*s234*s34*z12) - (4*s12*s14*z2)/(s124*s234*s34*z12) + 
   (8*s13*s14*z2)/(s123*s234*s34*z12) - (4*s13*s14*z2)/(s124*s234*s34*z12) + 
   (4*s13^2*s14*z2)/(s12*s123*s234*s34*z12) + 
   (4*s14^2*z2)/(s123*s234*s34*z12) - (8*s14^2*z2)/(s124*s234*s34*z12) + 
   (4*s13*s14^2*z2)/(s12*s123*s234*s34*z12) - 
   (4*s13*s14^2*z2)/(s12*s124*s234*s34*z12) - 
   (4*s14^3*z2)/(s12*s124*s234*s34*z12) + (8*s14*s23*z2)/
    (s123*s234*s34*z12) - (4*s14*s23*z2)/(s124*s234*s34*z12) + 
   (8*s13*s14*s23*z2)/(s12*s123*s234*s34*z12) + 
   (4*s14^2*s23*z2)/(s12*s123*s234*s34*z12) - 
   (4*s14^2*s23*z2)/(s12*s124*s234*s34*z12) + 
   (4*s14*s23^2*z2)/(s12*s123*s234*s34*z12) - 
   (4*s14*s24*z2)/(s123*s134*s34*z12) + (8*s14*s24*z2)/(s124*s134*s34*z12) - 
   (4*s13*s14*s24*z2)/(s12*s123*s134*s34*z12) + 
   (4*s13*s14*s24*z2)/(s12*s124*s134*s34*z12) + 
   (8*s14^2*s24*z2)/(s12*s124*s134*s34*z12) - (4*s14*s23*s24*z2)/
    (s12*s123*s134*s34*z12) + (4*s14*s23*s24*z2)/(s12*s124*s134*s34*z12) + 
   (4*s14*s24*z2)/(s123*s234*s34*z12) - (8*s14*s24*z2)/(s124*s234*s34*z12) + 
   (4*s13*s14*s24*z2)/(s12*s123*s234*s34*z12) - 
   (4*s13*s14*s24*z2)/(s12*s124*s234*s34*z12) - 
   (8*s14^2*s24*z2)/(s12*s124*s234*s34*z12) + (4*s14*s23*s24*z2)/
    (s12*s123*s234*s34*z12) - (4*s14*s23*s24*z2)/(s12*s124*s234*s34*z12) + 
   (4*s14*s24^2*z2)/(s12*s124*s134*s34*z12) - 
   (4*s14*s24^2*z2)/(s12*s124*s234*s34*z12) + (4*s12*z4)/(s123*s134*z12) - 
   (4*s12*z4)/(s124*s134*z12) + (4*s13*z4)/(s123*s134*z12) - 
   (4*s14*z4)/(s124*s134*z12) + (4*s23*z4)/(s123*s134*z12) - 
   (4*s12*z4)/(s123*s234*z12) + (4*s12*z4)/(s124*s234*z12) - 
   (4*s13*z4)/(s123*s234*z12) + (4*s14*z4)/(s124*s234*z12) - 
   (4*s23*z4)/(s123*s234*z12) - (4*s24*z4)/(s124*s134*z12) + 
   (4*s24*z4)/(s124*s234*z12) + (4*s12^2*z4)/(s123*s134*s34*z12) - 
   (4*s12^2*z4)/(s124*s134*s34*z12) + (8*s12*s13*z4)/(s123*s134*s34*z12) - 
   (4*s12*s13*z4)/(s124*s134*s34*z12) + (4*s13^2*z4)/(s123*s134*s34*z12) + 
   (4*s12*s14*z4)/(s123*s134*s34*z12) - (8*s12*s14*z4)/(s124*s134*s34*z12) + 
   (4*s13*s14*z4)/(s123*s134*s34*z12) - (4*s13*s14*z4)/(s124*s134*s34*z12) - 
   (4*s14^2*z4)/(s124*s134*s34*z12) + (8*s12*s23*z4)/(s123*s134*s34*z12) - 
   (4*s12*s23*z4)/(s124*s134*s34*z12) + (8*s13*s23*z4)/(s123*s134*s34*z12) + 
   (4*s14*s23*z4)/(s123*s134*s34*z12) - (4*s14*s23*z4)/(s124*s134*s34*z12) + 
   (4*s23^2*z4)/(s123*s134*s34*z12) - (4*s12^2*z4)/(s123*s234*s34*z12) + 
   (4*s12^2*z4)/(s124*s234*s34*z12) - (8*s12*s13*z4)/(s123*s234*s34*z12) + 
   (4*s12*s13*z4)/(s124*s234*s34*z12) - (4*s13^2*z4)/(s123*s234*s34*z12) - 
   (4*s12*s14*z4)/(s123*s234*s34*z12) + (8*s12*s14*z4)/(s124*s234*s34*z12) - 
   (4*s13*s14*z4)/(s123*s234*s34*z12) + (4*s13*s14*z4)/(s124*s234*s34*z12) + 
   (4*s14^2*z4)/(s124*s234*s34*z12) - (8*s12*s23*z4)/(s123*s234*s34*z12) + 
   (4*s12*s23*z4)/(s124*s234*s34*z12) - (8*s13*s23*z4)/(s123*s234*s34*z12) - 
   (4*s14*s23*z4)/(s123*s234*s34*z12) + (4*s14*s23*z4)/(s124*s234*s34*z12) - 
   (4*s23^2*z4)/(s123*s234*s34*z12) + (4*s12*s24*z4)/(s123*s134*s34*z12) - 
   (8*s12*s24*z4)/(s124*s134*s34*z12) + (4*s13*s24*z4)/(s123*s134*s34*z12) - 
   (4*s13*s24*z4)/(s124*s134*s34*z12) - (8*s14*s24*z4)/(s124*s134*s34*z12) + 
   (4*s23*s24*z4)/(s123*s134*s34*z12) - (4*s23*s24*z4)/(s124*s134*s34*z12) - 
   (4*s12*s24*z4)/(s123*s234*s34*z12) + (8*s12*s24*z4)/(s124*s234*s34*z12) - 
   (4*s13*s24*z4)/(s123*s234*s34*z12) + (4*s13*s24*z4)/(s124*s234*s34*z12) + 
   (8*s14*s24*z4)/(s124*s234*s34*z12) - (4*s23*s24*z4)/(s123*s234*s34*z12) + 
   (4*s23*s24*z4)/(s124*s234*s34*z12) - (4*s24^2*z4)/(s124*s134*s34*z12) + 
   (4*s24^2*z4)/(s124*s234*s34*z12) + (8*s12*z4)/(s123*s134*z34) + 
   (16*s13*z4)/(s123*s134*z34) + (16*s14*z4)/(s123*s134*z34) + 
   (8*s23*z4)/(s123*s134*z34) - (8*s12*z4)/(s123*s234*z34) - 
   (8*s13*z4)/(s123*s234*z34) - (8*s14*z4)/(s123*s234*z34) - 
   (16*s23*z4)/(s123*s234*z34) + (8*s24*z4)/(s123*s134*z34) - 
   (16*s24*z4)/(s123*s234*z34) + (8*s12*s13*z4)/(s123*s134*s34*z34) + 
   (8*s13^2*z4)/(s123*s134*s34*z34) + (8*s12*s14*z4)/(s123*s134*s34*z34) + 
   (16*s13*s14*z4)/(s123*s134*s34*z34) + (8*s14^2*z4)/(s123*s134*s34*z34) + 
   (8*s13*s23*z4)/(s123*s134*s34*z34) + (8*s14*s23*z4)/(s123*s134*s34*z34) - 
   (8*s12*s23*z4)/(s123*s234*s34*z34) - (8*s13*s23*z4)/(s123*s234*s34*z34) - 
   (8*s14*s23*z4)/(s123*s234*s34*z34) - (8*s23^2*z4)/(s123*s234*s34*z34) + 
   (8*s13*s24*z4)/(s123*s134*s34*z34) + (8*s14*s24*z4)/(s123*s134*s34*z34) - 
   (8*s12*s24*z4)/(s123*s234*s34*z34) - (8*s13*s24*z4)/(s123*s234*s34*z34) - 
   (8*s14*s24*z4)/(s123*s234*s34*z34) - (16*s23*s24*z4)/(s123*s234*s34*z34) - 
   (8*s24^2*z4)/(s123*s234*s34*z34) + (8*s34*z4)/(s123*s134*z34) - 
   (8*s34*z4)/(s123*s234*z34)) + k3k4*((4*s12)/s123^2 - (D*s12)/s123^2 + 
   (4*s12)/s124^2 - (D*s12)/s124^2 + (8*s12)/(s123*s124) - 
   (2*D*s12)/(s123*s124) + (6*s13)/s123^2 - (D*s13)/s123^2 + (4*s13)/s124^2 - 
   (D*s13)/s124^2 + (8*s13)/(s123*s124) - (2*D*s13)/(s123*s124) + 
   (2*s13^2)/(s12*s123^2) + (4*s12)/(s123*s134) - (4*s12)/(s124*s134) - 
   (4*s13)/(s123*s134) + (D*s13)/(s123*s134) - (8*s13)/(s124*s134) + 
   (D*s13)/(s124*s134) + (4*s14)/s123^2 - (D*s14)/s123^2 + (6*s14)/s124^2 - 
   (D*s14)/s124^2 + (8*s14)/(s123*s124) - (2*D*s14)/(s123*s124) + 
   (2*s13*s14)/(s12*s123^2) + (2*s13*s14)/(s12*s124^2) + 
   (8*s14)/(s123*s134) - (D*s14)/(s123*s134) + (4*s14)/(s124*s134) - 
   (D*s14)/(s124*s134) + (2*s14^2)/(s12*s124^2) + (6*s23)/s123^2 - 
   (D*s23)/s123^2 + (4*s23)/s124^2 - (D*s23)/s124^2 + (8*s23)/(s123*s124) - 
   (2*D*s23)/(s123*s124) + (8*s13*s23)/(s12*s123^2) + 
   (4*s13^2*s23)/(s12^2*s123^2) + (D*s23)/(s123*s134) - (8*s23)/(s124*s134) + 
   (D*s23)/(s124*s134) - (4*s13*s23)/(s12*s123*s134) + 
   (2*s14*s23)/(s12*s123^2) + (2*s14*s23)/(s12*s124^2) - 
   (4*s14*s23)/(s12*s123*s124) + (4*s13*s14*s23)/(s12^2*s123^2) - 
   (4*s13*s14*s23)/(s12^2*s123*s124) + (4*s14*s23)/(s12*s124*s134) - 
   (4*s14^2*s23)/(s12^2*s123*s124) + (2*s23^2)/(s12*s123^2) + 
   (4*s13*s23^2)/(s12^2*s123^2) - (4*s14*s23^2)/(s12^2*s123*s124) - 
   (4*s12)/(s123*s234) + (4*s12)/(s124*s234) - (D*s13)/(s123*s234) + 
   (8*s13)/(s124*s234) - (D*s13)/(s124*s234) + (12*s12)/(s134*s234) - 
   (2*D*s12)/(s134*s234) - (8*s14)/(s123*s234) + (D*s14)/(s123*s234) + 
   (D*s14)/(s124*s234) + (4*s23)/(s123*s234) - (D*s23)/(s123*s234) + 
   (8*s23)/(s124*s234) - (D*s23)/(s124*s234) + (4*s13*s23)/(s12*s123*s234) + 
   (4*s14*s23)/(s12*s123*s234) + (4*s24)/s123^2 - (D*s24)/s123^2 + 
   (6*s24)/s124^2 - (D*s24)/s124^2 + (8*s24)/(s123*s124) - 
   (2*D*s24)/(s123*s124) + (2*s13*s24)/(s12*s123^2) + 
   (2*s13*s24)/(s12*s124^2) - (4*s13*s24)/(s12*s123*s124) - 
   (4*s13^2*s24)/(s12^2*s123*s124) + (8*s24)/(s123*s134) - 
   (D*s24)/(s123*s134) - (D*s24)/(s124*s134) - (4*s13*s24)/(s12*s123*s134) + 
   (8*s14*s24)/(s12*s124^2) + (4*s13*s14*s24)/(s12^2*s124^2) - 
   (4*s13*s14*s24)/(s12^2*s123*s124) + (4*s14*s24)/(s12*s124*s134) + 
   (4*s14^2*s24)/(s12^2*s124^2) + (2*s23*s24)/(s12*s123^2) + 
   (2*s23*s24)/(s12*s124^2) + (4*s13*s23*s24)/(s12^2*s123^2) - 
   (4*s13*s23*s24)/(s12^2*s123*s124) + (4*s14*s23*s24)/(s12^2*s124^2) - 
   (4*s14*s23*s24)/(s12^2*s123*s124) - (8*s24)/(s123*s234) + 
   (D*s24)/(s123*s234) - (4*s24)/(s124*s234) + (D*s24)/(s124*s234) - 
   (4*s13*s24)/(s12*s124*s234) - (4*s14*s24)/(s12*s124*s234) + 
   (2*s24^2)/(s12*s124^2) - (4*s13*s24^2)/(s12^2*s123*s124) + 
   (4*s14*s24^2)/(s12^2*s124^2) - (4*s12*s14*s23)/(s134*s234*s34^2) - 
   (4*s13*s14*s23)/(s134*s234*s34^2) - (4*s14^2*s23)/(s134*s234*s34^2) - 
   (4*s14*s23^2)/(s134*s234*s34^2) - (4*s12*s13*s24)/(s134*s234*s34^2) - 
   (4*s13^2*s24)/(s134*s234*s34^2) - (4*s13*s14*s24)/(s134*s234*s34^2) - 
   (4*s13*s23*s24)/(s134*s234*s34^2) - (4*s14*s23*s24)/(s134*s234*s34^2) - 
   (4*s13*s24^2)/(s134*s234*s34^2) - (8*s12*s13)/(s123*s134*s34) + 
   (D*s12*s13)/(s123*s134*s34) - (4*s12*s13)/(s124*s134*s34) + 
   (D*s12*s13)/(s124*s134*s34) - (8*s13^2)/(s123*s134*s34) + 
   (D*s13^2)/(s123*s134*s34) - (4*s13^2)/(s124*s134*s34) + 
   (D*s13^2)/(s124*s134*s34) + (4*s12*s14)/(s123*s134*s34) - 
   (D*s12*s14)/(s123*s134*s34) + (8*s12*s14)/(s124*s134*s34) - 
   (D*s12*s14)/(s124*s134*s34) - (4*s13*s14)/(s123*s134*s34) + 
   (4*s13*s14)/(s124*s134*s34) + (4*s14^2)/(s123*s134*s34) - 
   (D*s14^2)/(s123*s134*s34) + (8*s14^2)/(s124*s134*s34) - 
   (D*s14^2)/(s124*s134*s34) - (4*s12*s23)/(s123*s134*s34) + 
   (D*s12*s23)/(s123*s134*s34) - (4*s12*s23)/(s124*s134*s34) + 
   (D*s12*s23)/(s124*s134*s34) - (16*s13*s23)/(s123*s134*s34) + 
   (2*D*s13*s23)/(s123*s134*s34) - (8*s13*s23)/(s124*s134*s34) + 
   (2*D*s13*s23)/(s124*s134*s34) - (4*s13^2*s23)/(s12*s123*s134*s34) + 
   (8*s14*s23)/(s124*s134*s34) - (4*s13*s14*s23)/(s12*s123*s134*s34) + 
   (4*s13*s14*s23)/(s12*s124*s134*s34) + (4*s14^2*s23)/(s12*s124*s134*s34) - 
   (4*s23^2)/(s123*s134*s34) + (D*s23^2)/(s123*s134*s34) - 
   (4*s23^2)/(s124*s134*s34) + (D*s23^2)/(s124*s134*s34) - 
   (4*s13*s23^2)/(s12*s123*s134*s34) + (4*s14*s23^2)/(s12*s124*s134*s34) + 
   (4*s12*s13)/(s123*s234*s34) - (D*s12*s13)/(s123*s234*s34) + 
   (4*s12*s13)/(s124*s234*s34) - (D*s12*s13)/(s124*s234*s34) + 
   (4*s13^2)/(s123*s234*s34) - (D*s13^2)/(s123*s234*s34) + 
   (4*s13^2)/(s124*s234*s34) - (D*s13^2)/(s124*s234*s34) + 
   (12*s12^2)/(s134*s234*s34) - (2*D*s12^2)/(s134*s234*s34) + 
   (12*s12*s13)/(s134*s234*s34) - (2*D*s12*s13)/(s134*s234*s34) - 
   (4*s12*s14)/(s123*s234*s34) + (D*s12*s14)/(s123*s234*s34) - 
   (4*s12*s14)/(s124*s234*s34) + (D*s12*s14)/(s124*s234*s34) + 
   (12*s12*s14)/(s134*s234*s34) - (2*D*s12*s14)/(s134*s234*s34) - 
   (4*s14^2)/(s123*s234*s34) + (D*s14^2)/(s123*s234*s34) - 
   (4*s14^2)/(s124*s234*s34) + (D*s14^2)/(s124*s234*s34) + 
   (8*s12*s23)/(s123*s234*s34) - (D*s12*s23)/(s123*s234*s34) + 
   (4*s12*s23)/(s124*s234*s34) - (D*s12*s23)/(s124*s234*s34) + 
   (16*s13*s23)/(s123*s234*s34) - (2*D*s13*s23)/(s123*s234*s34) + 
   (8*s13*s23)/(s124*s234*s34) - (2*D*s13*s23)/(s124*s234*s34) + 
   (4*s13^2*s23)/(s12*s123*s234*s34) + (12*s12*s23)/(s134*s234*s34) - 
   (2*D*s12*s23)/(s134*s234*s34) + (8*s14*s23)/(s123*s234*s34) + 
   (8*s13*s14*s23)/(s12*s123*s234*s34) - (4*s14*s23)/(s134*s234*s34) + 
   (4*s14^2*s23)/(s12*s123*s234*s34) + (8*s23^2)/(s123*s234*s34) - 
   (D*s23^2)/(s123*s234*s34) + (4*s23^2)/(s124*s234*s34) - 
   (D*s23^2)/(s124*s234*s34) + (4*s13*s23^2)/(s12*s123*s234*s34) + 
   (4*s14*s23^2)/(s12*s123*s234*s34) + (4*s12*s24)/(s123*s134*s34) - 
   (D*s12*s24)/(s123*s134*s34) + (4*s12*s24)/(s124*s134*s34) - 
   (D*s12*s24)/(s124*s134*s34) - (8*s13*s24)/(s123*s134*s34) - 
   (4*s13^2*s24)/(s12*s123*s134*s34) + (8*s14*s24)/(s123*s134*s34) - 
   (2*D*s14*s24)/(s123*s134*s34) + (16*s14*s24)/(s124*s134*s34) - 
   (2*D*s14*s24)/(s124*s134*s34) - (4*s13*s14*s24)/(s12*s123*s134*s34) + 
   (4*s13*s14*s24)/(s12*s124*s134*s34) + (4*s14^2*s24)/(s12*s124*s134*s34) - 
   (8*s13*s23*s24)/(s12*s123*s134*s34) + (8*s14*s23*s24)/
    (s12*s124*s134*s34) - (4*s12*s24)/(s123*s234*s34) + 
   (D*s12*s24)/(s123*s234*s34) - (8*s12*s24)/(s124*s234*s34) + 
   (D*s12*s24)/(s124*s234*s34) - (8*s13*s24)/(s124*s234*s34) - 
   (4*s13^2*s24)/(s12*s124*s234*s34) + (12*s12*s24)/(s134*s234*s34) - 
   (2*D*s12*s24)/(s134*s234*s34) - (4*s13*s24)/(s134*s234*s34) - 
   (8*s14*s24)/(s123*s234*s34) + (2*D*s14*s24)/(s123*s234*s34) - 
   (16*s14*s24)/(s124*s234*s34) + (2*D*s14*s24)/(s124*s234*s34) - 
   (8*s13*s14*s24)/(s12*s124*s234*s34) - (4*s14^2*s24)/(s12*s124*s234*s34) + 
   (4*s23*s24)/(s123*s234*s34) - (4*s23*s24)/(s124*s234*s34) + 
   (4*s13*s23*s24)/(s12*s123*s234*s34) - (4*s13*s23*s24)/
    (s12*s124*s234*s34) + (4*s14*s23*s24)/(s12*s123*s234*s34) - 
   (4*s14*s23*s24)/(s12*s124*s234*s34) + (4*s24^2)/(s123*s134*s34) - 
   (D*s24^2)/(s123*s134*s34) + (4*s24^2)/(s124*s134*s34) - 
   (D*s24^2)/(s124*s134*s34) - (4*s13*s24^2)/(s12*s123*s134*s34) + 
   (4*s14*s24^2)/(s12*s124*s134*s34) - (4*s24^2)/(s123*s234*s34) + 
   (D*s24^2)/(s123*s234*s34) - (8*s24^2)/(s124*s234*s34) + 
   (D*s24^2)/(s124*s234*s34) - (4*s13*s24^2)/(s12*s124*s234*s34) - 
   (4*s14*s24^2)/(s12*s124*s234*s34) + (4*s34)/s123^2 - (D*s34)/s123^2 + 
   (4*s34)/s124^2 - (D*s34)/s124^2 + (12*s34)/(s123*s124) - 
   (2*D*s34)/(s123*s124) + (2*s13*s34)/(s12*s123^2) + 
   (4*s13*s34)/(s12*s123*s124) + (4*s34)/(s123*s134) - (4*s34)/(s124*s134) + 
   (2*s14*s34)/(s12*s124^2) + (4*s14*s34)/(s12*s123*s124) + 
   (2*s23*s34)/(s12*s123^2) + (4*s23*s34)/(s12*s123*s124) + 
   (4*s13*s23*s34)/(s12^2*s123^2) - (4*s14*s23*s34)/(s12^2*s123*s124) - 
   (4*s34)/(s123*s234) + (4*s34)/(s124*s234) + (2*s24*s34)/(s12*s124^2) + 
   (4*s24*s34)/(s12*s123*s124) - (4*s13*s24*s34)/(s12^2*s123*s124) + 
   (4*s14*s24*s34)/(s12^2*s124^2) + (4*s34^2)/(s12*s123*s124) - 
   (4*s23*z1)/(s123^2*z12) + (4*s23*z1)/(s123*s124*z12) - 
   (8*s13*s23*z1)/(s12*s123^2*z12) + (4*s13*s23*z1)/(s12*s123*s124*z12) - 
   (4*s13^2*s23*z1)/(s12^2*s123^2*z12) + (2*s23*z1)/(s123*s134*z12) - 
   (2*s23*z1)/(s124*s134*z12) + (2*s13*s23*z1)/(s12*s123*s134*z12) - 
   (4*s14*s23*z1)/(s12*s123^2*z12) + (8*s14*s23*z1)/(s12*s123*s124*z12) - 
   (4*s13*s14*s23*z1)/(s12^2*s123^2*z12) + (4*s13*s14*s23*z1)/
    (s12^2*s123*s124*z12) - (2*s14*s23*z1)/(s12*s124*s134*z12) + 
   (4*s14^2*s23*z1)/(s12^2*s123*s124*z12) - (8*s23^2*z1)/(s12*s123^2*z12) + 
   (4*s23^2*z1)/(s12*s123*s124*z12) - (8*s13*s23^2*z1)/(s12^2*s123^2*z12) + 
   (2*s23^2*z1)/(s12*s123*s134*z12) - (4*s14*s23^2*z1)/(s12^2*s123^2*z12) + 
   (4*s14*s23^2*z1)/(s12^2*s123*s124*z12) - (4*s23^3*z1)/(s12^2*s123^2*z12) - 
   (2*s23*z1)/(s123*s234*z12) + (2*s23*z1)/(s124*s234*z12) - 
   (2*s13*s23*z1)/(s12*s123*s234*z12) + (2*s14*s23*z1)/(s12*s124*s234*z12) - 
   (2*s23^2*z1)/(s12*s123*s234*z12) - (4*s24*z1)/(s124^2*z12) + 
   (4*s24*z1)/(s123*s124*z12) - (4*s13*s24*z1)/(s12*s124^2*z12) + 
   (8*s13*s24*z1)/(s12*s123*s124*z12) + (4*s13^2*s24*z1)/
    (s12^2*s123*s124*z12) + (2*s24*z1)/(s123*s134*z12) - 
   (2*s24*z1)/(s124*s134*z12) + (2*s13*s24*z1)/(s12*s123*s134*z12) - 
   (8*s14*s24*z1)/(s12*s124^2*z12) + (4*s14*s24*z1)/(s12*s123*s124*z12) - 
   (4*s13*s14*s24*z1)/(s12^2*s124^2*z12) + (4*s13*s14*s24*z1)/
    (s12^2*s123*s124*z12) - (2*s14*s24*z1)/(s12*s124*s134*z12) - 
   (4*s14^2*s24*z1)/(s12^2*s124^2*z12) - (4*s23*s24*z1)/(s12*s123^2*z12) - 
   (4*s23*s24*z1)/(s12*s124^2*z12) + (16*s23*s24*z1)/(s12*s123*s124*z12) - 
   (4*s13*s23*s24*z1)/(s12^2*s123^2*z12) + (12*s13*s23*s24*z1)/
    (s12^2*s123*s124*z12) + (2*s23*s24*z1)/(s12*s123*s134*z12) - 
   (2*s23*s24*z1)/(s12*s124*s134*z12) - (4*s14*s23*s24*z1)/
    (s12^2*s124^2*z12) + (12*s14*s23*s24*z1)/(s12^2*s123*s124*z12) - 
   (4*s23^2*s24*z1)/(s12^2*s123^2*z12) + (8*s23^2*s24*z1)/
    (s12^2*s123*s124*z12) - (2*s24*z1)/(s123*s234*z12) + 
   (2*s24*z1)/(s124*s234*z12) - (2*s13*s24*z1)/(s12*s123*s234*z12) + 
   (2*s14*s24*z1)/(s12*s124*s234*z12) - (2*s23*s24*z1)/(s12*s123*s234*z12) + 
   (2*s23*s24*z1)/(s12*s124*s234*z12) - (8*s24^2*z1)/(s12*s124^2*z12) + 
   (4*s24^2*z1)/(s12*s123*s124*z12) - (4*s13*s24^2*z1)/(s12^2*s124^2*z12) + 
   (4*s13*s24^2*z1)/(s12^2*s123*s124*z12) - 
   (2*s24^2*z1)/(s12*s124*s134*z12) - (8*s14*s24^2*z1)/(s12^2*s124^2*z12) - 
   (4*s23*s24^2*z1)/(s12^2*s124^2*z12) + (8*s23*s24^2*z1)/
    (s12^2*s123*s124*z12) + (2*s24^2*z1)/(s12*s124*s234*z12) - 
   (4*s24^3*z1)/(s12^2*s124^2*z12) + (2*s12*s23*z1)/(s123*s134*s34*z12) - 
   (2*s12*s23*z1)/(s124*s134*s34*z12) + (4*s13*s23*z1)/(s123*s134*s34*z12) - 
   (2*s13*s23*z1)/(s124*s134*s34*z12) + (2*s13^2*s23*z1)/
    (s12*s123*s134*s34*z12) + (2*s14*s23*z1)/(s123*s134*s34*z12) - 
   (4*s14*s23*z1)/(s124*s134*s34*z12) + (2*s13*s14*s23*z1)/
    (s12*s123*s134*s34*z12) - (2*s13*s14*s23*z1)/(s12*s124*s134*s34*z12) - 
   (2*s14^2*s23*z1)/(s12*s124*s134*s34*z12) + 
   (4*s23^2*z1)/(s123*s134*s34*z12) - (2*s23^2*z1)/(s124*s134*s34*z12) + 
   (4*s13*s23^2*z1)/(s12*s123*s134*s34*z12) + 
   (2*s14*s23^2*z1)/(s12*s123*s134*s34*z12) - 
   (2*s14*s23^2*z1)/(s12*s124*s134*s34*z12) + 
   (2*s23^3*z1)/(s12*s123*s134*s34*z12) - (2*s12*s23*z1)/
    (s123*s234*s34*z12) + (2*s12*s23*z1)/(s124*s234*s34*z12) - 
   (4*s13*s23*z1)/(s123*s234*s34*z12) + (2*s13*s23*z1)/(s124*s234*s34*z12) - 
   (2*s13^2*s23*z1)/(s12*s123*s234*s34*z12) - 
   (2*s14*s23*z1)/(s123*s234*s34*z12) + (4*s14*s23*z1)/(s124*s234*s34*z12) - 
   (2*s13*s14*s23*z1)/(s12*s123*s234*s34*z12) + 
   (2*s13*s14*s23*z1)/(s12*s124*s234*s34*z12) + 
   (2*s14^2*s23*z1)/(s12*s124*s234*s34*z12) - 
   (4*s23^2*z1)/(s123*s234*s34*z12) + (2*s23^2*z1)/(s124*s234*s34*z12) - 
   (4*s13*s23^2*z1)/(s12*s123*s234*s34*z12) - 
   (2*s14*s23^2*z1)/(s12*s123*s234*s34*z12) + 
   (2*s14*s23^2*z1)/(s12*s124*s234*s34*z12) - 
   (2*s23^3*z1)/(s12*s123*s234*s34*z12) + (2*s12*s24*z1)/
    (s123*s134*s34*z12) - (2*s12*s24*z1)/(s124*s134*s34*z12) + 
   (4*s13*s24*z1)/(s123*s134*s34*z12) - (2*s13*s24*z1)/(s124*s134*s34*z12) + 
   (2*s13^2*s24*z1)/(s12*s123*s134*s34*z12) + 
   (2*s14*s24*z1)/(s123*s134*s34*z12) - (4*s14*s24*z1)/(s124*s134*s34*z12) + 
   (2*s13*s14*s24*z1)/(s12*s123*s134*s34*z12) - 
   (2*s13*s14*s24*z1)/(s12*s124*s134*s34*z12) - 
   (2*s14^2*s24*z1)/(s12*s124*s134*s34*z12) + 
   (6*s23*s24*z1)/(s123*s134*s34*z12) - (6*s23*s24*z1)/(s124*s134*s34*z12) + 
   (6*s13*s23*s24*z1)/(s12*s123*s134*s34*z12) - 
   (2*s13*s23*s24*z1)/(s12*s124*s134*s34*z12) + 
   (2*s14*s23*s24*z1)/(s12*s123*s134*s34*z12) - 
   (6*s14*s23*s24*z1)/(s12*s124*s134*s34*z12) + 
   (4*s23^2*s24*z1)/(s12*s123*s134*s34*z12) - 
   (2*s23^2*s24*z1)/(s12*s124*s134*s34*z12) - 
   (2*s12*s24*z1)/(s123*s234*s34*z12) + (2*s12*s24*z1)/(s124*s234*s34*z12) - 
   (4*s13*s24*z1)/(s123*s234*s34*z12) + (2*s13*s24*z1)/(s124*s234*s34*z12) - 
   (2*s13^2*s24*z1)/(s12*s123*s234*s34*z12) - 
   (2*s14*s24*z1)/(s123*s234*s34*z12) + (4*s14*s24*z1)/(s124*s234*s34*z12) - 
   (2*s13*s14*s24*z1)/(s12*s123*s234*s34*z12) + 
   (2*s13*s14*s24*z1)/(s12*s124*s234*s34*z12) + 
   (2*s14^2*s24*z1)/(s12*s124*s234*s34*z12) - 
   (6*s23*s24*z1)/(s123*s234*s34*z12) + (6*s23*s24*z1)/(s124*s234*s34*z12) - 
   (6*s13*s23*s24*z1)/(s12*s123*s234*s34*z12) + 
   (2*s13*s23*s24*z1)/(s12*s124*s234*s34*z12) - 
   (2*s14*s23*s24*z1)/(s12*s123*s234*s34*z12) + 
   (6*s14*s23*s24*z1)/(s12*s124*s234*s34*z12) - 
   (4*s23^2*s24*z1)/(s12*s123*s234*s34*z12) + 
   (2*s23^2*s24*z1)/(s12*s124*s234*s34*z12) + 
   (2*s24^2*z1)/(s123*s134*s34*z12) - (4*s24^2*z1)/(s124*s134*s34*z12) + 
   (2*s13*s24^2*z1)/(s12*s123*s134*s34*z12) - 
   (2*s13*s24^2*z1)/(s12*s124*s134*s34*z12) - 
   (4*s14*s24^2*z1)/(s12*s124*s134*s34*z12) + 
   (2*s23*s24^2*z1)/(s12*s123*s134*s34*z12) - 
   (4*s23*s24^2*z1)/(s12*s124*s134*s34*z12) - 
   (2*s24^2*z1)/(s123*s234*s34*z12) + (4*s24^2*z1)/(s124*s234*s34*z12) - 
   (2*s13*s24^2*z1)/(s12*s123*s234*s34*z12) + 
   (2*s13*s24^2*z1)/(s12*s124*s234*s34*z12) + 
   (4*s14*s24^2*z1)/(s12*s124*s234*s34*z12) - 
   (2*s23*s24^2*z1)/(s12*s123*s234*s34*z12) + 
   (4*s23*s24^2*z1)/(s12*s124*s234*s34*z12) - 
   (2*s24^3*z1)/(s12*s124*s134*s34*z12) + 
   (2*s24^3*z1)/(s12*s124*s234*s34*z12) - (4*s23*s34*z1)/(s12*s123^2*z12) + 
   (4*s23*s34*z1)/(s12*s123*s124*z12) - (4*s13*s23*s34*z1)/
    (s12^2*s123^2*z12) + (4*s14*s23*s34*z1)/(s12^2*s123*s124*z12) - 
   (4*s23^2*s34*z1)/(s12^2*s123^2*z12) - (4*s24*s34*z1)/(s12*s124^2*z12) + 
   (4*s24*s34*z1)/(s12*s123*s124*z12) + (4*s13*s24*s34*z1)/
    (s12^2*s123*s124*z12) - (4*s14*s24*s34*z1)/(s12^2*s124^2*z12) + 
   (8*s23*s24*s34*z1)/(s12^2*s123*s124*z12) - 
   (4*s24^2*s34*z1)/(s12^2*s124^2*z12) + (4*s12*z1*z2)/(s123^2*z12^2) + 
   (4*s12*z1*z2)/(s124^2*z12^2) - (8*s12*z1*z2)/(s123*s124*z12^2) + 
   (12*s13*z1*z2)/(s123^2*z12^2) + (4*s13*z1*z2)/(s124^2*z12^2) - 
   (16*s13*z1*z2)/(s123*s124*z12^2) + (12*s13^2*z1*z2)/(s12*s123^2*z12^2) - 
   (8*s13^2*z1*z2)/(s12*s123*s124*z12^2) + (4*s13^3*z1*z2)/
    (s12^2*s123^2*z12^2) + (4*s14*z1*z2)/(s123^2*z12^2) + 
   (12*s14*z1*z2)/(s124^2*z12^2) - (16*s14*z1*z2)/(s123*s124*z12^2) + 
   (8*s13*s14*z1*z2)/(s12*s123^2*z12^2) + (8*s13*s14*z1*z2)/
    (s12*s124^2*z12^2) - (24*s13*s14*z1*z2)/(s12*s123*s124*z12^2) + 
   (4*s13^2*s14*z1*z2)/(s12^2*s123^2*z12^2) - (8*s13^2*s14*z1*z2)/
    (s12^2*s123*s124*z12^2) + (12*s14^2*z1*z2)/(s12*s124^2*z12^2) - 
   (8*s14^2*z1*z2)/(s12*s123*s124*z12^2) + (4*s13*s14^2*z1*z2)/
    (s12^2*s124^2*z12^2) - (8*s13*s14^2*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (4*s14^3*z1*z2)/(s12^2*s124^2*z12^2) + (12*s23*z1*z2)/(s123^2*z12^2) + 
   (4*s23*z1*z2)/(s124^2*z12^2) - (16*s23*z1*z2)/(s123*s124*z12^2) + 
   (24*s13*s23*z1*z2)/(s12*s123^2*z12^2) - (16*s13*s23*z1*z2)/
    (s12*s123*s124*z12^2) + (12*s13^2*s23*z1*z2)/(s12^2*s123^2*z12^2) + 
   (8*s14*s23*z1*z2)/(s12*s123^2*z12^2) + (8*s14*s23*z1*z2)/
    (s12*s124^2*z12^2) - (24*s14*s23*z1*z2)/(s12*s123*s124*z12^2) + 
   (8*s13*s14*s23*z1*z2)/(s12^2*s123^2*z12^2) - (16*s13*s14*s23*z1*z2)/
    (s12^2*s123*s124*z12^2) + (4*s14^2*s23*z1*z2)/(s12^2*s124^2*z12^2) - 
   (8*s14^2*s23*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (12*s23^2*z1*z2)/(s12*s123^2*z12^2) - (8*s23^2*z1*z2)/
    (s12*s123*s124*z12^2) + (12*s13*s23^2*z1*z2)/(s12^2*s123^2*z12^2) + 
   (4*s14*s23^2*z1*z2)/(s12^2*s123^2*z12^2) - (8*s14*s23^2*z1*z2)/
    (s12^2*s123*s124*z12^2) + (4*s23^3*z1*z2)/(s12^2*s123^2*z12^2) + 
   (4*s24*z1*z2)/(s123^2*z12^2) + (12*s24*z1*z2)/(s124^2*z12^2) - 
   (16*s24*z1*z2)/(s123*s124*z12^2) + (8*s13*s24*z1*z2)/(s12*s123^2*z12^2) + 
   (8*s13*s24*z1*z2)/(s12*s124^2*z12^2) - (24*s13*s24*z1*z2)/
    (s12*s123*s124*z12^2) + (4*s13^2*s24*z1*z2)/(s12^2*s123^2*z12^2) - 
   (8*s13^2*s24*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (24*s14*s24*z1*z2)/(s12*s124^2*z12^2) - (16*s14*s24*z1*z2)/
    (s12*s123*s124*z12^2) + (8*s13*s14*s24*z1*z2)/(s12^2*s124^2*z12^2) - 
   (16*s13*s14*s24*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (12*s14^2*s24*z1*z2)/(s12^2*s124^2*z12^2) + 
   (8*s23*s24*z1*z2)/(s12*s123^2*z12^2) + (8*s23*s24*z1*z2)/
    (s12*s124^2*z12^2) - (24*s23*s24*z1*z2)/(s12*s123*s124*z12^2) + 
   (8*s13*s23*s24*z1*z2)/(s12^2*s123^2*z12^2) - (16*s13*s23*s24*z1*z2)/
    (s12^2*s123*s124*z12^2) + (8*s14*s23*s24*z1*z2)/(s12^2*s124^2*z12^2) - 
   (16*s14*s23*s24*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (4*s23^2*s24*z1*z2)/(s12^2*s123^2*z12^2) - (8*s23^2*s24*z1*z2)/
    (s12^2*s123*s124*z12^2) + (12*s24^2*z1*z2)/(s12*s124^2*z12^2) - 
   (8*s24^2*z1*z2)/(s12*s123*s124*z12^2) + (4*s13*s24^2*z1*z2)/
    (s12^2*s124^2*z12^2) - (8*s13*s24^2*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (12*s14*s24^2*z1*z2)/(s12^2*s124^2*z12^2) + (4*s23*s24^2*z1*z2)/
    (s12^2*s124^2*z12^2) - (8*s23*s24^2*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (4*s24^3*z1*z2)/(s12^2*s124^2*z12^2) + (4*s34*z1*z2)/(s123^2*z12^2) + 
   (4*s34*z1*z2)/(s124^2*z12^2) - (8*s34*z1*z2)/(s123*s124*z12^2) + 
   (8*s13*s34*z1*z2)/(s12*s123^2*z12^2) - (8*s13*s34*z1*z2)/
    (s12*s123*s124*z12^2) + (4*s13^2*s34*z1*z2)/(s12^2*s123^2*z12^2) + 
   (8*s14*s34*z1*z2)/(s12*s124^2*z12^2) - (8*s14*s34*z1*z2)/
    (s12*s123*s124*z12^2) - (8*s13*s14*s34*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (4*s14^2*s34*z1*z2)/(s12^2*s124^2*z12^2) + 
   (8*s23*s34*z1*z2)/(s12*s123^2*z12^2) - (8*s23*s34*z1*z2)/
    (s12*s123*s124*z12^2) + (8*s13*s23*s34*z1*z2)/(s12^2*s123^2*z12^2) - 
   (8*s14*s23*s34*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (4*s23^2*s34*z1*z2)/(s12^2*s123^2*z12^2) + 
   (8*s24*s34*z1*z2)/(s12*s124^2*z12^2) - (8*s24*s34*z1*z2)/
    (s12*s123*s124*z12^2) - (8*s13*s24*s34*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (8*s14*s24*s34*z1*z2)/(s12^2*s124^2*z12^2) - (8*s23*s24*s34*z1*z2)/
    (s12^2*s123*s124*z12^2) + (4*s24^2*s34*z1*z2)/(s12^2*s124^2*z12^2) - 
   (4*s13*z2)/(s123^2*z12) + (4*s13*z2)/(s123*s124*z12) - 
   (8*s13^2*z2)/(s12*s123^2*z12) + (4*s13^2*z2)/(s12*s123*s124*z12) - 
   (4*s13^3*z2)/(s12^2*s123^2*z12) + (2*s13*z2)/(s123*s134*z12) - 
   (2*s13*z2)/(s124*s134*z12) + (2*s13^2*z2)/(s12*s123*s134*z12) - 
   (4*s14*z2)/(s124^2*z12) + (4*s14*z2)/(s123*s124*z12) - 
   (4*s13*s14*z2)/(s12*s123^2*z12) - (4*s13*s14*z2)/(s12*s124^2*z12) + 
   (16*s13*s14*z2)/(s12*s123*s124*z12) - (4*s13^2*s14*z2)/
    (s12^2*s123^2*z12) + (8*s13^2*s14*z2)/(s12^2*s123*s124*z12) + 
   (2*s14*z2)/(s123*s134*z12) - (2*s14*z2)/(s124*s134*z12) + 
   (2*s13*s14*z2)/(s12*s123*s134*z12) - (2*s13*s14*z2)/(s12*s124*s134*z12) - 
   (8*s14^2*z2)/(s12*s124^2*z12) + (4*s14^2*z2)/(s12*s123*s124*z12) - 
   (4*s13*s14^2*z2)/(s12^2*s124^2*z12) + (8*s13*s14^2*z2)/
    (s12^2*s123*s124*z12) - (2*s14^2*z2)/(s12*s124*s134*z12) - 
   (4*s14^3*z2)/(s12^2*s124^2*z12) - (8*s13*s23*z2)/(s12*s123^2*z12) + 
   (4*s13*s23*z2)/(s12*s123*s124*z12) - (8*s13^2*s23*z2)/(s12^2*s123^2*z12) + 
   (2*s13*s23*z2)/(s12*s123*s134*z12) - (4*s14*s23*z2)/(s12*s124^2*z12) + 
   (8*s14*s23*z2)/(s12*s123*s124*z12) - (4*s13*s14*s23*z2)/
    (s12^2*s123^2*z12) + (12*s13*s14*s23*z2)/(s12^2*s123*s124*z12) + 
   (2*s14*s23*z2)/(s12*s123*s134*z12) - (4*s14^2*s23*z2)/(s12^2*s124^2*z12) + 
   (4*s14^2*s23*z2)/(s12^2*s123*s124*z12) - (4*s13*s23^2*z2)/
    (s12^2*s123^2*z12) + (4*s14*s23^2*z2)/(s12^2*s123*s124*z12) - 
   (2*s13*z2)/(s123*s234*z12) + (2*s13*z2)/(s124*s234*z12) - 
   (2*s13^2*z2)/(s12*s123*s234*z12) - (2*s14*z2)/(s123*s234*z12) + 
   (2*s14*z2)/(s124*s234*z12) - (2*s13*s14*z2)/(s12*s123*s234*z12) + 
   (2*s13*s14*z2)/(s12*s124*s234*z12) + (2*s14^2*z2)/(s12*s124*s234*z12) - 
   (2*s13*s23*z2)/(s12*s123*s234*z12) - (2*s14*s23*z2)/(s12*s123*s234*z12) - 
   (4*s13*s24*z2)/(s12*s123^2*z12) + (8*s13*s24*z2)/(s12*s123*s124*z12) - 
   (4*s13^2*s24*z2)/(s12^2*s123^2*z12) + (4*s13^2*s24*z2)/
    (s12^2*s123*s124*z12) - (2*s13*s24*z2)/(s12*s124*s134*z12) - 
   (8*s14*s24*z2)/(s12*s124^2*z12) + (4*s14*s24*z2)/(s12*s123*s124*z12) - 
   (4*s13*s14*s24*z2)/(s12^2*s124^2*z12) + (12*s13*s14*s24*z2)/
    (s12^2*s123*s124*z12) - (2*s14*s24*z2)/(s12*s124*s134*z12) - 
   (8*s14^2*s24*z2)/(s12^2*s124^2*z12) - (4*s13*s23*s24*z2)/
    (s12^2*s123^2*z12) + (4*s13*s23*s24*z2)/(s12^2*s123*s124*z12) - 
   (4*s14*s23*s24*z2)/(s12^2*s124^2*z12) + (4*s14*s23*s24*z2)/
    (s12^2*s123*s124*z12) + (2*s13*s24*z2)/(s12*s124*s234*z12) + 
   (2*s14*s24*z2)/(s12*s124*s234*z12) + (4*s13*s24^2*z2)/
    (s12^2*s123*s124*z12) - (4*s14*s24^2*z2)/(s12^2*s124^2*z12) + 
   (2*s12*s13*z2)/(s123*s134*s34*z12) - (2*s12*s13*z2)/(s124*s134*s34*z12) + 
   (4*s13^2*z2)/(s123*s134*s34*z12) - (2*s13^2*z2)/(s124*s134*s34*z12) + 
   (2*s13^3*z2)/(s12*s123*s134*s34*z12) + (2*s12*s14*z2)/
    (s123*s134*s34*z12) - (2*s12*s14*z2)/(s124*s134*s34*z12) + 
   (6*s13*s14*z2)/(s123*s134*s34*z12) - (6*s13*s14*z2)/(s124*s134*s34*z12) + 
   (4*s13^2*s14*z2)/(s12*s123*s134*s34*z12) - 
   (2*s13^2*s14*z2)/(s12*s124*s134*s34*z12) + 
   (2*s14^2*z2)/(s123*s134*s34*z12) - (4*s14^2*z2)/(s124*s134*s34*z12) + 
   (2*s13*s14^2*z2)/(s12*s123*s134*s34*z12) - 
   (4*s13*s14^2*z2)/(s12*s124*s134*s34*z12) - 
   (2*s14^3*z2)/(s12*s124*s134*s34*z12) + (4*s13*s23*z2)/
    (s123*s134*s34*z12) - (2*s13*s23*z2)/(s124*s134*s34*z12) + 
   (4*s13^2*s23*z2)/(s12*s123*s134*s34*z12) + 
   (4*s14*s23*z2)/(s123*s134*s34*z12) - (2*s14*s23*z2)/(s124*s134*s34*z12) + 
   (6*s13*s14*s23*z2)/(s12*s123*s134*s34*z12) - 
   (2*s13*s14*s23*z2)/(s12*s124*s134*s34*z12) + 
   (2*s14^2*s23*z2)/(s12*s123*s134*s34*z12) - 
   (2*s14^2*s23*z2)/(s12*s124*s134*s34*z12) + 
   (2*s13*s23^2*z2)/(s12*s123*s134*s34*z12) + 
   (2*s14*s23^2*z2)/(s12*s123*s134*s34*z12) - 
   (2*s12*s13*z2)/(s123*s234*s34*z12) + (2*s12*s13*z2)/(s124*s234*s34*z12) - 
   (4*s13^2*z2)/(s123*s234*s34*z12) + (2*s13^2*z2)/(s124*s234*s34*z12) - 
   (2*s13^3*z2)/(s12*s123*s234*s34*z12) - (2*s12*s14*z2)/
    (s123*s234*s34*z12) + (2*s12*s14*z2)/(s124*s234*s34*z12) - 
   (6*s13*s14*z2)/(s123*s234*s34*z12) + (6*s13*s14*z2)/(s124*s234*s34*z12) - 
   (4*s13^2*s14*z2)/(s12*s123*s234*s34*z12) + 
   (2*s13^2*s14*z2)/(s12*s124*s234*s34*z12) - 
   (2*s14^2*z2)/(s123*s234*s34*z12) + (4*s14^2*z2)/(s124*s234*s34*z12) - 
   (2*s13*s14^2*z2)/(s12*s123*s234*s34*z12) + 
   (4*s13*s14^2*z2)/(s12*s124*s234*s34*z12) + 
   (2*s14^3*z2)/(s12*s124*s234*s34*z12) - (4*s13*s23*z2)/
    (s123*s234*s34*z12) + (2*s13*s23*z2)/(s124*s234*s34*z12) - 
   (4*s13^2*s23*z2)/(s12*s123*s234*s34*z12) - 
   (4*s14*s23*z2)/(s123*s234*s34*z12) + (2*s14*s23*z2)/(s124*s234*s34*z12) - 
   (6*s13*s14*s23*z2)/(s12*s123*s234*s34*z12) + 
   (2*s13*s14*s23*z2)/(s12*s124*s234*s34*z12) - 
   (2*s14^2*s23*z2)/(s12*s123*s234*s34*z12) + 
   (2*s14^2*s23*z2)/(s12*s124*s234*s34*z12) - 
   (2*s13*s23^2*z2)/(s12*s123*s234*s34*z12) - 
   (2*s14*s23^2*z2)/(s12*s123*s234*s34*z12) + 
   (2*s13*s24*z2)/(s123*s134*s34*z12) - (4*s13*s24*z2)/(s124*s134*s34*z12) + 
   (2*s13^2*s24*z2)/(s12*s123*s134*s34*z12) - 
   (2*s13^2*s24*z2)/(s12*s124*s134*s34*z12) + 
   (2*s14*s24*z2)/(s123*s134*s34*z12) - (4*s14*s24*z2)/(s124*s134*s34*z12) + 
   (2*s13*s14*s24*z2)/(s12*s123*s134*s34*z12) - 
   (6*s13*s14*s24*z2)/(s12*s124*s134*s34*z12) - 
   (4*s14^2*s24*z2)/(s12*s124*s134*s34*z12) + (2*s13*s23*s24*z2)/
    (s12*s123*s134*s34*z12) - (2*s13*s23*s24*z2)/(s12*s124*s134*s34*z12) + 
   (2*s14*s23*s24*z2)/(s12*s123*s134*s34*z12) - 
   (2*s14*s23*s24*z2)/(s12*s124*s134*s34*z12) - 
   (2*s13*s24*z2)/(s123*s234*s34*z12) + (4*s13*s24*z2)/(s124*s234*s34*z12) - 
   (2*s13^2*s24*z2)/(s12*s123*s234*s34*z12) + 
   (2*s13^2*s24*z2)/(s12*s124*s234*s34*z12) - 
   (2*s14*s24*z2)/(s123*s234*s34*z12) + (4*s14*s24*z2)/(s124*s234*s34*z12) - 
   (2*s13*s14*s24*z2)/(s12*s123*s234*s34*z12) + 
   (6*s13*s14*s24*z2)/(s12*s124*s234*s34*z12) + 
   (4*s14^2*s24*z2)/(s12*s124*s234*s34*z12) - (2*s13*s23*s24*z2)/
    (s12*s123*s234*s34*z12) + (2*s13*s23*s24*z2)/(s12*s124*s234*s34*z12) - 
   (2*s14*s23*s24*z2)/(s12*s123*s234*s34*z12) + 
   (2*s14*s23*s24*z2)/(s12*s124*s234*s34*z12) - 
   (2*s13*s24^2*z2)/(s12*s124*s134*s34*z12) - 
   (2*s14*s24^2*z2)/(s12*s124*s134*s34*z12) + 
   (2*s13*s24^2*z2)/(s12*s124*s234*s34*z12) + 
   (2*s14*s24^2*z2)/(s12*s124*s234*s34*z12) - 
   (4*s13*s34*z2)/(s12*s123^2*z12) + (4*s13*s34*z2)/(s12*s123*s124*z12) - 
   (4*s13^2*s34*z2)/(s12^2*s123^2*z12) - (4*s14*s34*z2)/(s12*s124^2*z12) + 
   (4*s14*s34*z2)/(s12*s123*s124*z12) + (8*s13*s14*s34*z2)/
    (s12^2*s123*s124*z12) - (4*s14^2*s34*z2)/(s12^2*s124^2*z12) - 
   (4*s13*s23*s34*z2)/(s12^2*s123^2*z12) + (4*s14*s23*s34*z2)/
    (s12^2*s123*s124*z12) + (4*s13*s24*s34*z2)/(s12^2*s123*s124*z12) - 
   (4*s14*s24*s34*z2)/(s12^2*s124^2*z12) + (4*s12*z3)/(s123^2*z12) - 
   (4*s12*z3)/(s123*s124*z12) + (8*s13*z3)/(s123^2*z12) - 
   (4*s13*z3)/(s123*s124*z12) + (4*s13^2*z3)/(s12*s123^2*z12) - 
   (2*s12*z3)/(s123*s134*z12) + (2*s12*z3)/(s124*s134*z12) - 
   (2*s13*z3)/(s123*s134*z12) + (4*s14*z3)/(s123^2*z12) - 
   (8*s14*z3)/(s123*s124*z12) + (4*s13*s14*z3)/(s12*s123^2*z12) - 
   (4*s13*s14*z3)/(s12*s123*s124*z12) + (2*s14*z3)/(s124*s134*z12) - 
   (4*s14^2*z3)/(s12*s123*s124*z12) + (8*s23*z3)/(s123^2*z12) - 
   (4*s23*z3)/(s123*s124*z12) + (8*s13*s23*z3)/(s12*s123^2*z12) - 
   (2*s23*z3)/(s123*s134*z12) + (4*s14*s23*z3)/(s12*s123^2*z12) - 
   (4*s14*s23*z3)/(s12*s123*s124*z12) + (4*s23^2*z3)/(s12*s123^2*z12) + 
   (2*s12*z3)/(s123*s234*z12) - (2*s12*z3)/(s124*s234*z12) + 
   (2*s13*z3)/(s123*s234*z12) - (2*s14*z3)/(s124*s234*z12) + 
   (2*s23*z3)/(s123*s234*z12) + (4*s24*z3)/(s123^2*z12) - 
   (8*s24*z3)/(s123*s124*z12) + (4*s13*s24*z3)/(s12*s123^2*z12) - 
   (4*s13*s24*z3)/(s12*s123*s124*z12) + (2*s24*z3)/(s124*s134*z12) - 
   (8*s14*s24*z3)/(s12*s123*s124*z12) + (4*s23*s24*z3)/(s12*s123^2*z12) - 
   (4*s23*s24*z3)/(s12*s123*s124*z12) - (2*s24*z3)/(s124*s234*z12) - 
   (4*s24^2*z3)/(s12*s123*s124*z12) - (2*s12^2*z3)/(s123*s134*s34*z12) + 
   (2*s12^2*z3)/(s124*s134*s34*z12) - (4*s12*s13*z3)/(s123*s134*s34*z12) + 
   (2*s12*s13*z3)/(s124*s134*s34*z12) - (2*s13^2*z3)/(s123*s134*s34*z12) - 
   (2*s12*s14*z3)/(s123*s134*s34*z12) + (4*s12*s14*z3)/(s124*s134*s34*z12) - 
   (2*s13*s14*z3)/(s123*s134*s34*z12) + (2*s13*s14*z3)/(s124*s134*s34*z12) + 
   (2*s14^2*z3)/(s124*s134*s34*z12) - (4*s12*s23*z3)/(s123*s134*s34*z12) + 
   (2*s12*s23*z3)/(s124*s134*s34*z12) - (4*s13*s23*z3)/(s123*s134*s34*z12) - 
   (2*s14*s23*z3)/(s123*s134*s34*z12) + (2*s14*s23*z3)/(s124*s134*s34*z12) - 
   (2*s23^2*z3)/(s123*s134*s34*z12) + (2*s12^2*z3)/(s123*s234*s34*z12) - 
   (2*s12^2*z3)/(s124*s234*s34*z12) + (4*s12*s13*z3)/(s123*s234*s34*z12) - 
   (2*s12*s13*z3)/(s124*s234*s34*z12) + (2*s13^2*z3)/(s123*s234*s34*z12) + 
   (2*s12*s14*z3)/(s123*s234*s34*z12) - (4*s12*s14*z3)/(s124*s234*s34*z12) + 
   (2*s13*s14*z3)/(s123*s234*s34*z12) - (2*s13*s14*z3)/(s124*s234*s34*z12) - 
   (2*s14^2*z3)/(s124*s234*s34*z12) + (4*s12*s23*z3)/(s123*s234*s34*z12) - 
   (2*s12*s23*z3)/(s124*s234*s34*z12) + (4*s13*s23*z3)/(s123*s234*s34*z12) + 
   (2*s14*s23*z3)/(s123*s234*s34*z12) - (2*s14*s23*z3)/(s124*s234*s34*z12) + 
   (2*s23^2*z3)/(s123*s234*s34*z12) - (2*s12*s24*z3)/(s123*s134*s34*z12) + 
   (4*s12*s24*z3)/(s124*s134*s34*z12) - (2*s13*s24*z3)/(s123*s134*s34*z12) + 
   (2*s13*s24*z3)/(s124*s134*s34*z12) + (4*s14*s24*z3)/(s124*s134*s34*z12) - 
   (2*s23*s24*z3)/(s123*s134*s34*z12) + (2*s23*s24*z3)/(s124*s134*s34*z12) + 
   (2*s12*s24*z3)/(s123*s234*s34*z12) - (4*s12*s24*z3)/(s124*s234*s34*z12) + 
   (2*s13*s24*z3)/(s123*s234*s34*z12) - (2*s13*s24*z3)/(s124*s234*s34*z12) - 
   (4*s14*s24*z3)/(s124*s234*s34*z12) + (2*s23*s24*z3)/(s123*s234*s34*z12) - 
   (2*s23*s24*z3)/(s124*s234*s34*z12) + (2*s24^2*z3)/(s124*s134*s34*z12) - 
   (2*s24^2*z3)/(s124*s234*s34*z12) + (4*s34*z3)/(s123^2*z12) - 
   (4*s34*z3)/(s123*s124*z12) + (4*s13*s34*z3)/(s12*s123^2*z12) - 
   (4*s14*s34*z3)/(s12*s123*s124*z12) + (4*s23*s34*z3)/(s12*s123^2*z12) - 
   (4*s24*s34*z3)/(s12*s123*s124*z12) + (4*s12*z3)/(s123*s134*z34) + 
   (8*s13*z3)/(s123*s134*z34) + (8*s14*z3)/(s123*s134*z34) + 
   (4*s23*z3)/(s123*s134*z34) - (4*s12*z3)/(s123*s234*z34) - 
   (4*s13*z3)/(s123*s234*z34) - (4*s14*z3)/(s123*s234*z34) - 
   (8*s23*z3)/(s123*s234*z34) + (4*s24*z3)/(s123*s134*z34) - 
   (8*s24*z3)/(s123*s234*z34) + (4*s12*s13*z3)/(s123*s134*s34*z34) + 
   (4*s13^2*z3)/(s123*s134*s34*z34) + (4*s12*s14*z3)/(s123*s134*s34*z34) + 
   (8*s13*s14*z3)/(s123*s134*s34*z34) + (4*s14^2*z3)/(s123*s134*s34*z34) + 
   (4*s13*s23*z3)/(s123*s134*s34*z34) + (4*s14*s23*z3)/(s123*s134*s34*z34) - 
   (4*s12*s23*z3)/(s123*s234*s34*z34) - (4*s13*s23*z3)/(s123*s234*s34*z34) - 
   (4*s14*s23*z3)/(s123*s234*s34*z34) - (4*s23^2*z3)/(s123*s234*s34*z34) + 
   (4*s13*s24*z3)/(s123*s134*s34*z34) + (4*s14*s24*z3)/(s123*s134*s34*z34) - 
   (4*s12*s24*z3)/(s123*s234*s34*z34) - (4*s13*s24*z3)/(s123*s234*s34*z34) - 
   (4*s14*s24*z3)/(s123*s234*s34*z34) - (8*s23*s24*z3)/(s123*s234*s34*z34) - 
   (4*s24^2*z3)/(s123*s234*s34*z34) + (4*s34*z3)/(s123*s134*z34) - 
   (4*s34*z3)/(s123*s234*z34) + (4*s12*z4)/(s124^2*z12) - 
   (4*s12*z4)/(s123*s124*z12) + (4*s13*z4)/(s124^2*z12) - 
   (8*s13*z4)/(s123*s124*z12) - (4*s13^2*z4)/(s12*s123*s124*z12) - 
   (2*s12*z4)/(s123*s134*z12) + (2*s12*z4)/(s124*s134*z12) - 
   (2*s13*z4)/(s123*s134*z12) + (8*s14*z4)/(s124^2*z12) - 
   (4*s14*z4)/(s123*s124*z12) + (4*s13*s14*z4)/(s12*s124^2*z12) - 
   (4*s13*s14*z4)/(s12*s123*s124*z12) + (2*s14*z4)/(s124*s134*z12) + 
   (4*s14^2*z4)/(s12*s124^2*z12) + (4*s23*z4)/(s124^2*z12) - 
   (8*s23*z4)/(s123*s124*z12) - (8*s13*s23*z4)/(s12*s123*s124*z12) - 
   (2*s23*z4)/(s123*s134*z12) + (4*s14*s23*z4)/(s12*s124^2*z12) - 
   (4*s14*s23*z4)/(s12*s123*s124*z12) - (4*s23^2*z4)/(s12*s123*s124*z12) + 
   (2*s12*z4)/(s123*s234*z12) - (2*s12*z4)/(s124*s234*z12) + 
   (2*s13*z4)/(s123*s234*z12) - (2*s14*z4)/(s124*s234*z12) + 
   (2*s23*z4)/(s123*s234*z12) + (8*s24*z4)/(s124^2*z12) - 
   (4*s24*z4)/(s123*s124*z12) + (4*s13*s24*z4)/(s12*s124^2*z12) - 
   (4*s13*s24*z4)/(s12*s123*s124*z12) + (2*s24*z4)/(s124*s134*z12) + 
   (8*s14*s24*z4)/(s12*s124^2*z12) + (4*s23*s24*z4)/(s12*s124^2*z12) - 
   (4*s23*s24*z4)/(s12*s123*s124*z12) - (2*s24*z4)/(s124*s234*z12) + 
   (4*s24^2*z4)/(s12*s124^2*z12) - (2*s12^2*z4)/(s123*s134*s34*z12) + 
   (2*s12^2*z4)/(s124*s134*s34*z12) - (4*s12*s13*z4)/(s123*s134*s34*z12) + 
   (2*s12*s13*z4)/(s124*s134*s34*z12) - (2*s13^2*z4)/(s123*s134*s34*z12) - 
   (2*s12*s14*z4)/(s123*s134*s34*z12) + (4*s12*s14*z4)/(s124*s134*s34*z12) - 
   (2*s13*s14*z4)/(s123*s134*s34*z12) + (2*s13*s14*z4)/(s124*s134*s34*z12) + 
   (2*s14^2*z4)/(s124*s134*s34*z12) - (4*s12*s23*z4)/(s123*s134*s34*z12) + 
   (2*s12*s23*z4)/(s124*s134*s34*z12) - (4*s13*s23*z4)/(s123*s134*s34*z12) - 
   (2*s14*s23*z4)/(s123*s134*s34*z12) + (2*s14*s23*z4)/(s124*s134*s34*z12) - 
   (2*s23^2*z4)/(s123*s134*s34*z12) + (2*s12^2*z4)/(s123*s234*s34*z12) - 
   (2*s12^2*z4)/(s124*s234*s34*z12) + (4*s12*s13*z4)/(s123*s234*s34*z12) - 
   (2*s12*s13*z4)/(s124*s234*s34*z12) + (2*s13^2*z4)/(s123*s234*s34*z12) + 
   (2*s12*s14*z4)/(s123*s234*s34*z12) - (4*s12*s14*z4)/(s124*s234*s34*z12) + 
   (2*s13*s14*z4)/(s123*s234*s34*z12) - (2*s13*s14*z4)/(s124*s234*s34*z12) - 
   (2*s14^2*z4)/(s124*s234*s34*z12) + (4*s12*s23*z4)/(s123*s234*s34*z12) - 
   (2*s12*s23*z4)/(s124*s234*s34*z12) + (4*s13*s23*z4)/(s123*s234*s34*z12) + 
   (2*s14*s23*z4)/(s123*s234*s34*z12) - (2*s14*s23*z4)/(s124*s234*s34*z12) + 
   (2*s23^2*z4)/(s123*s234*s34*z12) - (2*s12*s24*z4)/(s123*s134*s34*z12) + 
   (4*s12*s24*z4)/(s124*s134*s34*z12) - (2*s13*s24*z4)/(s123*s134*s34*z12) + 
   (2*s13*s24*z4)/(s124*s134*s34*z12) + (4*s14*s24*z4)/(s124*s134*s34*z12) - 
   (2*s23*s24*z4)/(s123*s134*s34*z12) + (2*s23*s24*z4)/(s124*s134*s34*z12) + 
   (2*s12*s24*z4)/(s123*s234*s34*z12) - (4*s12*s24*z4)/(s124*s234*s34*z12) + 
   (2*s13*s24*z4)/(s123*s234*s34*z12) - (2*s13*s24*z4)/(s124*s234*s34*z12) - 
   (4*s14*s24*z4)/(s124*s234*s34*z12) + (2*s23*s24*z4)/(s123*s234*s34*z12) - 
   (2*s23*s24*z4)/(s124*s234*s34*z12) + (2*s24^2*z4)/(s124*s134*s34*z12) - 
   (2*s24^2*z4)/(s124*s234*s34*z12) + (4*s34*z4)/(s124^2*z12) - 
   (4*s34*z4)/(s123*s124*z12) - (4*s13*s34*z4)/(s12*s123*s124*z12) + 
   (4*s14*s34*z4)/(s12*s124^2*z12) - (4*s23*s34*z4)/(s12*s123*s124*z12) + 
   (4*s24*s34*z4)/(s12*s124^2*z12) - (4*s12*z4)/(s124*s134*z34) - 
   (8*s13*z4)/(s124*s134*z34) - (8*s14*z4)/(s124*s134*z34) - 
   (4*s23*z4)/(s124*s134*z34) + (4*s12*z4)/(s124*s234*z34) + 
   (4*s13*z4)/(s124*s234*z34) + (4*s14*z4)/(s124*s234*z34) + 
   (8*s23*z4)/(s124*s234*z34) - (4*s24*z4)/(s124*s134*z34) + 
   (8*s24*z4)/(s124*s234*z34) - (4*s12*s13*z4)/(s124*s134*s34*z34) - 
   (4*s13^2*z4)/(s124*s134*s34*z34) - (4*s12*s14*z4)/(s124*s134*s34*z34) - 
   (8*s13*s14*z4)/(s124*s134*s34*z34) - (4*s14^2*z4)/(s124*s134*s34*z34) - 
   (4*s13*s23*z4)/(s124*s134*s34*z34) - (4*s14*s23*z4)/(s124*s134*s34*z34) + 
   (4*s12*s23*z4)/(s124*s234*s34*z34) + (4*s13*s23*z4)/(s124*s234*s34*z34) + 
   (4*s14*s23*z4)/(s124*s234*s34*z34) + (4*s23^2*z4)/(s124*s234*s34*z34) - 
   (4*s13*s24*z4)/(s124*s134*s34*z34) - (4*s14*s24*z4)/(s124*s134*s34*z34) + 
   (4*s12*s24*z4)/(s124*s234*s34*z34) + (4*s13*s24*z4)/(s124*s234*s34*z34) + 
   (4*s14*s24*z4)/(s124*s234*s34*z34) + (8*s23*s24*z4)/(s124*s234*s34*z34) + 
   (4*s24^2*z4)/(s124*s234*s34*z34) - (4*s34*z4)/(s124*s134*z34) + 
   (4*s34*z4)/(s124*s234*z34)) + k4k3*((4*s12)/s123^2 - (D*s12)/s123^2 + 
   (4*s12)/s124^2 - (D*s12)/s124^2 + (8*s12)/(s123*s124) - 
   (2*D*s12)/(s123*s124) + (6*s13)/s123^2 - (D*s13)/s123^2 + (4*s13)/s124^2 - 
   (D*s13)/s124^2 + (8*s13)/(s123*s124) - (2*D*s13)/(s123*s124) + 
   (2*s13^2)/(s12*s123^2) + (4*s12)/(s123*s134) - (4*s12)/(s124*s134) - 
   (4*s13)/(s123*s134) + (D*s13)/(s123*s134) - (8*s13)/(s124*s134) + 
   (D*s13)/(s124*s134) + (4*s14)/s123^2 - (D*s14)/s123^2 + (6*s14)/s124^2 - 
   (D*s14)/s124^2 + (8*s14)/(s123*s124) - (2*D*s14)/(s123*s124) + 
   (2*s13*s14)/(s12*s123^2) + (2*s13*s14)/(s12*s124^2) + 
   (8*s14)/(s123*s134) - (D*s14)/(s123*s134) + (4*s14)/(s124*s134) - 
   (D*s14)/(s124*s134) + (2*s14^2)/(s12*s124^2) + (6*s23)/s123^2 - 
   (D*s23)/s123^2 + (4*s23)/s124^2 - (D*s23)/s124^2 + (8*s23)/(s123*s124) - 
   (2*D*s23)/(s123*s124) + (8*s13*s23)/(s12*s123^2) + 
   (4*s13^2*s23)/(s12^2*s123^2) + (D*s23)/(s123*s134) - (8*s23)/(s124*s134) + 
   (D*s23)/(s124*s134) - (4*s13*s23)/(s12*s123*s134) + 
   (2*s14*s23)/(s12*s123^2) + (2*s14*s23)/(s12*s124^2) - 
   (4*s14*s23)/(s12*s123*s124) + (4*s13*s14*s23)/(s12^2*s123^2) - 
   (4*s13*s14*s23)/(s12^2*s123*s124) + (4*s14*s23)/(s12*s124*s134) - 
   (4*s14^2*s23)/(s12^2*s123*s124) + (2*s23^2)/(s12*s123^2) + 
   (4*s13*s23^2)/(s12^2*s123^2) - (4*s14*s23^2)/(s12^2*s123*s124) - 
   (4*s12)/(s123*s234) + (4*s12)/(s124*s234) - (D*s13)/(s123*s234) + 
   (8*s13)/(s124*s234) - (D*s13)/(s124*s234) + (12*s12)/(s134*s234) - 
   (2*D*s12)/(s134*s234) - (8*s14)/(s123*s234) + (D*s14)/(s123*s234) + 
   (D*s14)/(s124*s234) + (4*s23)/(s123*s234) - (D*s23)/(s123*s234) + 
   (8*s23)/(s124*s234) - (D*s23)/(s124*s234) + (4*s13*s23)/(s12*s123*s234) + 
   (4*s14*s23)/(s12*s123*s234) + (4*s24)/s123^2 - (D*s24)/s123^2 + 
   (6*s24)/s124^2 - (D*s24)/s124^2 + (8*s24)/(s123*s124) - 
   (2*D*s24)/(s123*s124) + (2*s13*s24)/(s12*s123^2) + 
   (2*s13*s24)/(s12*s124^2) - (4*s13*s24)/(s12*s123*s124) - 
   (4*s13^2*s24)/(s12^2*s123*s124) + (8*s24)/(s123*s134) - 
   (D*s24)/(s123*s134) - (D*s24)/(s124*s134) - (4*s13*s24)/(s12*s123*s134) + 
   (8*s14*s24)/(s12*s124^2) + (4*s13*s14*s24)/(s12^2*s124^2) - 
   (4*s13*s14*s24)/(s12^2*s123*s124) + (4*s14*s24)/(s12*s124*s134) + 
   (4*s14^2*s24)/(s12^2*s124^2) + (2*s23*s24)/(s12*s123^2) + 
   (2*s23*s24)/(s12*s124^2) + (4*s13*s23*s24)/(s12^2*s123^2) - 
   (4*s13*s23*s24)/(s12^2*s123*s124) + (4*s14*s23*s24)/(s12^2*s124^2) - 
   (4*s14*s23*s24)/(s12^2*s123*s124) - (8*s24)/(s123*s234) + 
   (D*s24)/(s123*s234) - (4*s24)/(s124*s234) + (D*s24)/(s124*s234) - 
   (4*s13*s24)/(s12*s124*s234) - (4*s14*s24)/(s12*s124*s234) + 
   (2*s24^2)/(s12*s124^2) - (4*s13*s24^2)/(s12^2*s123*s124) + 
   (4*s14*s24^2)/(s12^2*s124^2) - (4*s12*s14*s23)/(s134*s234*s34^2) - 
   (4*s13*s14*s23)/(s134*s234*s34^2) - (4*s14^2*s23)/(s134*s234*s34^2) - 
   (4*s14*s23^2)/(s134*s234*s34^2) - (4*s12*s13*s24)/(s134*s234*s34^2) - 
   (4*s13^2*s24)/(s134*s234*s34^2) - (4*s13*s14*s24)/(s134*s234*s34^2) - 
   (4*s13*s23*s24)/(s134*s234*s34^2) - (4*s14*s23*s24)/(s134*s234*s34^2) - 
   (4*s13*s24^2)/(s134*s234*s34^2) - (8*s12*s13)/(s123*s134*s34) + 
   (D*s12*s13)/(s123*s134*s34) - (4*s12*s13)/(s124*s134*s34) + 
   (D*s12*s13)/(s124*s134*s34) - (8*s13^2)/(s123*s134*s34) + 
   (D*s13^2)/(s123*s134*s34) - (4*s13^2)/(s124*s134*s34) + 
   (D*s13^2)/(s124*s134*s34) + (4*s12*s14)/(s123*s134*s34) - 
   (D*s12*s14)/(s123*s134*s34) + (8*s12*s14)/(s124*s134*s34) - 
   (D*s12*s14)/(s124*s134*s34) - (4*s13*s14)/(s123*s134*s34) + 
   (4*s13*s14)/(s124*s134*s34) + (4*s14^2)/(s123*s134*s34) - 
   (D*s14^2)/(s123*s134*s34) + (8*s14^2)/(s124*s134*s34) - 
   (D*s14^2)/(s124*s134*s34) - (4*s12*s23)/(s123*s134*s34) + 
   (D*s12*s23)/(s123*s134*s34) - (4*s12*s23)/(s124*s134*s34) + 
   (D*s12*s23)/(s124*s134*s34) - (16*s13*s23)/(s123*s134*s34) + 
   (2*D*s13*s23)/(s123*s134*s34) - (8*s13*s23)/(s124*s134*s34) + 
   (2*D*s13*s23)/(s124*s134*s34) - (4*s13^2*s23)/(s12*s123*s134*s34) + 
   (8*s14*s23)/(s124*s134*s34) - (4*s13*s14*s23)/(s12*s123*s134*s34) + 
   (4*s13*s14*s23)/(s12*s124*s134*s34) + (4*s14^2*s23)/(s12*s124*s134*s34) - 
   (4*s23^2)/(s123*s134*s34) + (D*s23^2)/(s123*s134*s34) - 
   (4*s23^2)/(s124*s134*s34) + (D*s23^2)/(s124*s134*s34) - 
   (4*s13*s23^2)/(s12*s123*s134*s34) + (4*s14*s23^2)/(s12*s124*s134*s34) + 
   (4*s12*s13)/(s123*s234*s34) - (D*s12*s13)/(s123*s234*s34) + 
   (4*s12*s13)/(s124*s234*s34) - (D*s12*s13)/(s124*s234*s34) + 
   (4*s13^2)/(s123*s234*s34) - (D*s13^2)/(s123*s234*s34) + 
   (4*s13^2)/(s124*s234*s34) - (D*s13^2)/(s124*s234*s34) + 
   (12*s12^2)/(s134*s234*s34) - (2*D*s12^2)/(s134*s234*s34) + 
   (12*s12*s13)/(s134*s234*s34) - (2*D*s12*s13)/(s134*s234*s34) - 
   (4*s12*s14)/(s123*s234*s34) + (D*s12*s14)/(s123*s234*s34) - 
   (4*s12*s14)/(s124*s234*s34) + (D*s12*s14)/(s124*s234*s34) + 
   (12*s12*s14)/(s134*s234*s34) - (2*D*s12*s14)/(s134*s234*s34) - 
   (4*s14^2)/(s123*s234*s34) + (D*s14^2)/(s123*s234*s34) - 
   (4*s14^2)/(s124*s234*s34) + (D*s14^2)/(s124*s234*s34) + 
   (8*s12*s23)/(s123*s234*s34) - (D*s12*s23)/(s123*s234*s34) + 
   (4*s12*s23)/(s124*s234*s34) - (D*s12*s23)/(s124*s234*s34) + 
   (16*s13*s23)/(s123*s234*s34) - (2*D*s13*s23)/(s123*s234*s34) + 
   (8*s13*s23)/(s124*s234*s34) - (2*D*s13*s23)/(s124*s234*s34) + 
   (4*s13^2*s23)/(s12*s123*s234*s34) + (12*s12*s23)/(s134*s234*s34) - 
   (2*D*s12*s23)/(s134*s234*s34) + (8*s14*s23)/(s123*s234*s34) + 
   (8*s13*s14*s23)/(s12*s123*s234*s34) - (4*s14*s23)/(s134*s234*s34) + 
   (4*s14^2*s23)/(s12*s123*s234*s34) + (8*s23^2)/(s123*s234*s34) - 
   (D*s23^2)/(s123*s234*s34) + (4*s23^2)/(s124*s234*s34) - 
   (D*s23^2)/(s124*s234*s34) + (4*s13*s23^2)/(s12*s123*s234*s34) + 
   (4*s14*s23^2)/(s12*s123*s234*s34) + (4*s12*s24)/(s123*s134*s34) - 
   (D*s12*s24)/(s123*s134*s34) + (4*s12*s24)/(s124*s134*s34) - 
   (D*s12*s24)/(s124*s134*s34) - (8*s13*s24)/(s123*s134*s34) - 
   (4*s13^2*s24)/(s12*s123*s134*s34) + (8*s14*s24)/(s123*s134*s34) - 
   (2*D*s14*s24)/(s123*s134*s34) + (16*s14*s24)/(s124*s134*s34) - 
   (2*D*s14*s24)/(s124*s134*s34) - (4*s13*s14*s24)/(s12*s123*s134*s34) + 
   (4*s13*s14*s24)/(s12*s124*s134*s34) + (4*s14^2*s24)/(s12*s124*s134*s34) - 
   (8*s13*s23*s24)/(s12*s123*s134*s34) + (8*s14*s23*s24)/
    (s12*s124*s134*s34) - (4*s12*s24)/(s123*s234*s34) + 
   (D*s12*s24)/(s123*s234*s34) - (8*s12*s24)/(s124*s234*s34) + 
   (D*s12*s24)/(s124*s234*s34) - (8*s13*s24)/(s124*s234*s34) - 
   (4*s13^2*s24)/(s12*s124*s234*s34) + (12*s12*s24)/(s134*s234*s34) - 
   (2*D*s12*s24)/(s134*s234*s34) - (4*s13*s24)/(s134*s234*s34) - 
   (8*s14*s24)/(s123*s234*s34) + (2*D*s14*s24)/(s123*s234*s34) - 
   (16*s14*s24)/(s124*s234*s34) + (2*D*s14*s24)/(s124*s234*s34) - 
   (8*s13*s14*s24)/(s12*s124*s234*s34) - (4*s14^2*s24)/(s12*s124*s234*s34) + 
   (4*s23*s24)/(s123*s234*s34) - (4*s23*s24)/(s124*s234*s34) + 
   (4*s13*s23*s24)/(s12*s123*s234*s34) - (4*s13*s23*s24)/
    (s12*s124*s234*s34) + (4*s14*s23*s24)/(s12*s123*s234*s34) - 
   (4*s14*s23*s24)/(s12*s124*s234*s34) + (4*s24^2)/(s123*s134*s34) - 
   (D*s24^2)/(s123*s134*s34) + (4*s24^2)/(s124*s134*s34) - 
   (D*s24^2)/(s124*s134*s34) - (4*s13*s24^2)/(s12*s123*s134*s34) + 
   (4*s14*s24^2)/(s12*s124*s134*s34) - (4*s24^2)/(s123*s234*s34) + 
   (D*s24^2)/(s123*s234*s34) - (8*s24^2)/(s124*s234*s34) + 
   (D*s24^2)/(s124*s234*s34) - (4*s13*s24^2)/(s12*s124*s234*s34) - 
   (4*s14*s24^2)/(s12*s124*s234*s34) + (4*s34)/s123^2 - (D*s34)/s123^2 + 
   (4*s34)/s124^2 - (D*s34)/s124^2 + (12*s34)/(s123*s124) - 
   (2*D*s34)/(s123*s124) + (2*s13*s34)/(s12*s123^2) + 
   (4*s13*s34)/(s12*s123*s124) + (4*s34)/(s123*s134) - (4*s34)/(s124*s134) + 
   (2*s14*s34)/(s12*s124^2) + (4*s14*s34)/(s12*s123*s124) + 
   (2*s23*s34)/(s12*s123^2) + (4*s23*s34)/(s12*s123*s124) + 
   (4*s13*s23*s34)/(s12^2*s123^2) - (4*s14*s23*s34)/(s12^2*s123*s124) - 
   (4*s34)/(s123*s234) + (4*s34)/(s124*s234) + (2*s24*s34)/(s12*s124^2) + 
   (4*s24*s34)/(s12*s123*s124) - (4*s13*s24*s34)/(s12^2*s123*s124) + 
   (4*s14*s24*s34)/(s12^2*s124^2) + (4*s34^2)/(s12*s123*s124) - 
   (4*s23*z1)/(s123^2*z12) + (4*s23*z1)/(s123*s124*z12) - 
   (8*s13*s23*z1)/(s12*s123^2*z12) + (4*s13*s23*z1)/(s12*s123*s124*z12) - 
   (4*s13^2*s23*z1)/(s12^2*s123^2*z12) + (2*s23*z1)/(s123*s134*z12) - 
   (2*s23*z1)/(s124*s134*z12) + (2*s13*s23*z1)/(s12*s123*s134*z12) - 
   (4*s14*s23*z1)/(s12*s123^2*z12) + (8*s14*s23*z1)/(s12*s123*s124*z12) - 
   (4*s13*s14*s23*z1)/(s12^2*s123^2*z12) + (4*s13*s14*s23*z1)/
    (s12^2*s123*s124*z12) - (2*s14*s23*z1)/(s12*s124*s134*z12) + 
   (4*s14^2*s23*z1)/(s12^2*s123*s124*z12) - (8*s23^2*z1)/(s12*s123^2*z12) + 
   (4*s23^2*z1)/(s12*s123*s124*z12) - (8*s13*s23^2*z1)/(s12^2*s123^2*z12) + 
   (2*s23^2*z1)/(s12*s123*s134*z12) - (4*s14*s23^2*z1)/(s12^2*s123^2*z12) + 
   (4*s14*s23^2*z1)/(s12^2*s123*s124*z12) - (4*s23^3*z1)/(s12^2*s123^2*z12) - 
   (2*s23*z1)/(s123*s234*z12) + (2*s23*z1)/(s124*s234*z12) - 
   (2*s13*s23*z1)/(s12*s123*s234*z12) + (2*s14*s23*z1)/(s12*s124*s234*z12) - 
   (2*s23^2*z1)/(s12*s123*s234*z12) - (4*s24*z1)/(s124^2*z12) + 
   (4*s24*z1)/(s123*s124*z12) - (4*s13*s24*z1)/(s12*s124^2*z12) + 
   (8*s13*s24*z1)/(s12*s123*s124*z12) + (4*s13^2*s24*z1)/
    (s12^2*s123*s124*z12) + (2*s24*z1)/(s123*s134*z12) - 
   (2*s24*z1)/(s124*s134*z12) + (2*s13*s24*z1)/(s12*s123*s134*z12) - 
   (8*s14*s24*z1)/(s12*s124^2*z12) + (4*s14*s24*z1)/(s12*s123*s124*z12) - 
   (4*s13*s14*s24*z1)/(s12^2*s124^2*z12) + (4*s13*s14*s24*z1)/
    (s12^2*s123*s124*z12) - (2*s14*s24*z1)/(s12*s124*s134*z12) - 
   (4*s14^2*s24*z1)/(s12^2*s124^2*z12) - (4*s23*s24*z1)/(s12*s123^2*z12) - 
   (4*s23*s24*z1)/(s12*s124^2*z12) + (16*s23*s24*z1)/(s12*s123*s124*z12) - 
   (4*s13*s23*s24*z1)/(s12^2*s123^2*z12) + (12*s13*s23*s24*z1)/
    (s12^2*s123*s124*z12) + (2*s23*s24*z1)/(s12*s123*s134*z12) - 
   (2*s23*s24*z1)/(s12*s124*s134*z12) - (4*s14*s23*s24*z1)/
    (s12^2*s124^2*z12) + (12*s14*s23*s24*z1)/(s12^2*s123*s124*z12) - 
   (4*s23^2*s24*z1)/(s12^2*s123^2*z12) + (8*s23^2*s24*z1)/
    (s12^2*s123*s124*z12) - (2*s24*z1)/(s123*s234*z12) + 
   (2*s24*z1)/(s124*s234*z12) - (2*s13*s24*z1)/(s12*s123*s234*z12) + 
   (2*s14*s24*z1)/(s12*s124*s234*z12) - (2*s23*s24*z1)/(s12*s123*s234*z12) + 
   (2*s23*s24*z1)/(s12*s124*s234*z12) - (8*s24^2*z1)/(s12*s124^2*z12) + 
   (4*s24^2*z1)/(s12*s123*s124*z12) - (4*s13*s24^2*z1)/(s12^2*s124^2*z12) + 
   (4*s13*s24^2*z1)/(s12^2*s123*s124*z12) - 
   (2*s24^2*z1)/(s12*s124*s134*z12) - (8*s14*s24^2*z1)/(s12^2*s124^2*z12) - 
   (4*s23*s24^2*z1)/(s12^2*s124^2*z12) + (8*s23*s24^2*z1)/
    (s12^2*s123*s124*z12) + (2*s24^2*z1)/(s12*s124*s234*z12) - 
   (4*s24^3*z1)/(s12^2*s124^2*z12) + (2*s12*s23*z1)/(s123*s134*s34*z12) - 
   (2*s12*s23*z1)/(s124*s134*s34*z12) + (4*s13*s23*z1)/(s123*s134*s34*z12) - 
   (2*s13*s23*z1)/(s124*s134*s34*z12) + (2*s13^2*s23*z1)/
    (s12*s123*s134*s34*z12) + (2*s14*s23*z1)/(s123*s134*s34*z12) - 
   (4*s14*s23*z1)/(s124*s134*s34*z12) + (2*s13*s14*s23*z1)/
    (s12*s123*s134*s34*z12) - (2*s13*s14*s23*z1)/(s12*s124*s134*s34*z12) - 
   (2*s14^2*s23*z1)/(s12*s124*s134*s34*z12) + 
   (4*s23^2*z1)/(s123*s134*s34*z12) - (2*s23^2*z1)/(s124*s134*s34*z12) + 
   (4*s13*s23^2*z1)/(s12*s123*s134*s34*z12) + 
   (2*s14*s23^2*z1)/(s12*s123*s134*s34*z12) - 
   (2*s14*s23^2*z1)/(s12*s124*s134*s34*z12) + 
   (2*s23^3*z1)/(s12*s123*s134*s34*z12) - (2*s12*s23*z1)/
    (s123*s234*s34*z12) + (2*s12*s23*z1)/(s124*s234*s34*z12) - 
   (4*s13*s23*z1)/(s123*s234*s34*z12) + (2*s13*s23*z1)/(s124*s234*s34*z12) - 
   (2*s13^2*s23*z1)/(s12*s123*s234*s34*z12) - 
   (2*s14*s23*z1)/(s123*s234*s34*z12) + (4*s14*s23*z1)/(s124*s234*s34*z12) - 
   (2*s13*s14*s23*z1)/(s12*s123*s234*s34*z12) + 
   (2*s13*s14*s23*z1)/(s12*s124*s234*s34*z12) + 
   (2*s14^2*s23*z1)/(s12*s124*s234*s34*z12) - 
   (4*s23^2*z1)/(s123*s234*s34*z12) + (2*s23^2*z1)/(s124*s234*s34*z12) - 
   (4*s13*s23^2*z1)/(s12*s123*s234*s34*z12) - 
   (2*s14*s23^2*z1)/(s12*s123*s234*s34*z12) + 
   (2*s14*s23^2*z1)/(s12*s124*s234*s34*z12) - 
   (2*s23^3*z1)/(s12*s123*s234*s34*z12) + (2*s12*s24*z1)/
    (s123*s134*s34*z12) - (2*s12*s24*z1)/(s124*s134*s34*z12) + 
   (4*s13*s24*z1)/(s123*s134*s34*z12) - (2*s13*s24*z1)/(s124*s134*s34*z12) + 
   (2*s13^2*s24*z1)/(s12*s123*s134*s34*z12) + 
   (2*s14*s24*z1)/(s123*s134*s34*z12) - (4*s14*s24*z1)/(s124*s134*s34*z12) + 
   (2*s13*s14*s24*z1)/(s12*s123*s134*s34*z12) - 
   (2*s13*s14*s24*z1)/(s12*s124*s134*s34*z12) - 
   (2*s14^2*s24*z1)/(s12*s124*s134*s34*z12) + 
   (6*s23*s24*z1)/(s123*s134*s34*z12) - (6*s23*s24*z1)/(s124*s134*s34*z12) + 
   (6*s13*s23*s24*z1)/(s12*s123*s134*s34*z12) - 
   (2*s13*s23*s24*z1)/(s12*s124*s134*s34*z12) + 
   (2*s14*s23*s24*z1)/(s12*s123*s134*s34*z12) - 
   (6*s14*s23*s24*z1)/(s12*s124*s134*s34*z12) + 
   (4*s23^2*s24*z1)/(s12*s123*s134*s34*z12) - 
   (2*s23^2*s24*z1)/(s12*s124*s134*s34*z12) - 
   (2*s12*s24*z1)/(s123*s234*s34*z12) + (2*s12*s24*z1)/(s124*s234*s34*z12) - 
   (4*s13*s24*z1)/(s123*s234*s34*z12) + (2*s13*s24*z1)/(s124*s234*s34*z12) - 
   (2*s13^2*s24*z1)/(s12*s123*s234*s34*z12) - 
   (2*s14*s24*z1)/(s123*s234*s34*z12) + (4*s14*s24*z1)/(s124*s234*s34*z12) - 
   (2*s13*s14*s24*z1)/(s12*s123*s234*s34*z12) + 
   (2*s13*s14*s24*z1)/(s12*s124*s234*s34*z12) + 
   (2*s14^2*s24*z1)/(s12*s124*s234*s34*z12) - 
   (6*s23*s24*z1)/(s123*s234*s34*z12) + (6*s23*s24*z1)/(s124*s234*s34*z12) - 
   (6*s13*s23*s24*z1)/(s12*s123*s234*s34*z12) + 
   (2*s13*s23*s24*z1)/(s12*s124*s234*s34*z12) - 
   (2*s14*s23*s24*z1)/(s12*s123*s234*s34*z12) + 
   (6*s14*s23*s24*z1)/(s12*s124*s234*s34*z12) - 
   (4*s23^2*s24*z1)/(s12*s123*s234*s34*z12) + 
   (2*s23^2*s24*z1)/(s12*s124*s234*s34*z12) + 
   (2*s24^2*z1)/(s123*s134*s34*z12) - (4*s24^2*z1)/(s124*s134*s34*z12) + 
   (2*s13*s24^2*z1)/(s12*s123*s134*s34*z12) - 
   (2*s13*s24^2*z1)/(s12*s124*s134*s34*z12) - 
   (4*s14*s24^2*z1)/(s12*s124*s134*s34*z12) + 
   (2*s23*s24^2*z1)/(s12*s123*s134*s34*z12) - 
   (4*s23*s24^2*z1)/(s12*s124*s134*s34*z12) - 
   (2*s24^2*z1)/(s123*s234*s34*z12) + (4*s24^2*z1)/(s124*s234*s34*z12) - 
   (2*s13*s24^2*z1)/(s12*s123*s234*s34*z12) + 
   (2*s13*s24^2*z1)/(s12*s124*s234*s34*z12) + 
   (4*s14*s24^2*z1)/(s12*s124*s234*s34*z12) - 
   (2*s23*s24^2*z1)/(s12*s123*s234*s34*z12) + 
   (4*s23*s24^2*z1)/(s12*s124*s234*s34*z12) - 
   (2*s24^3*z1)/(s12*s124*s134*s34*z12) + 
   (2*s24^3*z1)/(s12*s124*s234*s34*z12) - (4*s23*s34*z1)/(s12*s123^2*z12) + 
   (4*s23*s34*z1)/(s12*s123*s124*z12) - (4*s13*s23*s34*z1)/
    (s12^2*s123^2*z12) + (4*s14*s23*s34*z1)/(s12^2*s123*s124*z12) - 
   (4*s23^2*s34*z1)/(s12^2*s123^2*z12) - (4*s24*s34*z1)/(s12*s124^2*z12) + 
   (4*s24*s34*z1)/(s12*s123*s124*z12) + (4*s13*s24*s34*z1)/
    (s12^2*s123*s124*z12) - (4*s14*s24*s34*z1)/(s12^2*s124^2*z12) + 
   (8*s23*s24*s34*z1)/(s12^2*s123*s124*z12) - 
   (4*s24^2*s34*z1)/(s12^2*s124^2*z12) + (4*s12*z1*z2)/(s123^2*z12^2) + 
   (4*s12*z1*z2)/(s124^2*z12^2) - (8*s12*z1*z2)/(s123*s124*z12^2) + 
   (12*s13*z1*z2)/(s123^2*z12^2) + (4*s13*z1*z2)/(s124^2*z12^2) - 
   (16*s13*z1*z2)/(s123*s124*z12^2) + (12*s13^2*z1*z2)/(s12*s123^2*z12^2) - 
   (8*s13^2*z1*z2)/(s12*s123*s124*z12^2) + (4*s13^3*z1*z2)/
    (s12^2*s123^2*z12^2) + (4*s14*z1*z2)/(s123^2*z12^2) + 
   (12*s14*z1*z2)/(s124^2*z12^2) - (16*s14*z1*z2)/(s123*s124*z12^2) + 
   (8*s13*s14*z1*z2)/(s12*s123^2*z12^2) + (8*s13*s14*z1*z2)/
    (s12*s124^2*z12^2) - (24*s13*s14*z1*z2)/(s12*s123*s124*z12^2) + 
   (4*s13^2*s14*z1*z2)/(s12^2*s123^2*z12^2) - (8*s13^2*s14*z1*z2)/
    (s12^2*s123*s124*z12^2) + (12*s14^2*z1*z2)/(s12*s124^2*z12^2) - 
   (8*s14^2*z1*z2)/(s12*s123*s124*z12^2) + (4*s13*s14^2*z1*z2)/
    (s12^2*s124^2*z12^2) - (8*s13*s14^2*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (4*s14^3*z1*z2)/(s12^2*s124^2*z12^2) + (12*s23*z1*z2)/(s123^2*z12^2) + 
   (4*s23*z1*z2)/(s124^2*z12^2) - (16*s23*z1*z2)/(s123*s124*z12^2) + 
   (24*s13*s23*z1*z2)/(s12*s123^2*z12^2) - (16*s13*s23*z1*z2)/
    (s12*s123*s124*z12^2) + (12*s13^2*s23*z1*z2)/(s12^2*s123^2*z12^2) + 
   (8*s14*s23*z1*z2)/(s12*s123^2*z12^2) + (8*s14*s23*z1*z2)/
    (s12*s124^2*z12^2) - (24*s14*s23*z1*z2)/(s12*s123*s124*z12^2) + 
   (8*s13*s14*s23*z1*z2)/(s12^2*s123^2*z12^2) - (16*s13*s14*s23*z1*z2)/
    (s12^2*s123*s124*z12^2) + (4*s14^2*s23*z1*z2)/(s12^2*s124^2*z12^2) - 
   (8*s14^2*s23*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (12*s23^2*z1*z2)/(s12*s123^2*z12^2) - (8*s23^2*z1*z2)/
    (s12*s123*s124*z12^2) + (12*s13*s23^2*z1*z2)/(s12^2*s123^2*z12^2) + 
   (4*s14*s23^2*z1*z2)/(s12^2*s123^2*z12^2) - (8*s14*s23^2*z1*z2)/
    (s12^2*s123*s124*z12^2) + (4*s23^3*z1*z2)/(s12^2*s123^2*z12^2) + 
   (4*s24*z1*z2)/(s123^2*z12^2) + (12*s24*z1*z2)/(s124^2*z12^2) - 
   (16*s24*z1*z2)/(s123*s124*z12^2) + (8*s13*s24*z1*z2)/(s12*s123^2*z12^2) + 
   (8*s13*s24*z1*z2)/(s12*s124^2*z12^2) - (24*s13*s24*z1*z2)/
    (s12*s123*s124*z12^2) + (4*s13^2*s24*z1*z2)/(s12^2*s123^2*z12^2) - 
   (8*s13^2*s24*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (24*s14*s24*z1*z2)/(s12*s124^2*z12^2) - (16*s14*s24*z1*z2)/
    (s12*s123*s124*z12^2) + (8*s13*s14*s24*z1*z2)/(s12^2*s124^2*z12^2) - 
   (16*s13*s14*s24*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (12*s14^2*s24*z1*z2)/(s12^2*s124^2*z12^2) + 
   (8*s23*s24*z1*z2)/(s12*s123^2*z12^2) + (8*s23*s24*z1*z2)/
    (s12*s124^2*z12^2) - (24*s23*s24*z1*z2)/(s12*s123*s124*z12^2) + 
   (8*s13*s23*s24*z1*z2)/(s12^2*s123^2*z12^2) - (16*s13*s23*s24*z1*z2)/
    (s12^2*s123*s124*z12^2) + (8*s14*s23*s24*z1*z2)/(s12^2*s124^2*z12^2) - 
   (16*s14*s23*s24*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (4*s23^2*s24*z1*z2)/(s12^2*s123^2*z12^2) - (8*s23^2*s24*z1*z2)/
    (s12^2*s123*s124*z12^2) + (12*s24^2*z1*z2)/(s12*s124^2*z12^2) - 
   (8*s24^2*z1*z2)/(s12*s123*s124*z12^2) + (4*s13*s24^2*z1*z2)/
    (s12^2*s124^2*z12^2) - (8*s13*s24^2*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (12*s14*s24^2*z1*z2)/(s12^2*s124^2*z12^2) + (4*s23*s24^2*z1*z2)/
    (s12^2*s124^2*z12^2) - (8*s23*s24^2*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (4*s24^3*z1*z2)/(s12^2*s124^2*z12^2) + (4*s34*z1*z2)/(s123^2*z12^2) + 
   (4*s34*z1*z2)/(s124^2*z12^2) - (8*s34*z1*z2)/(s123*s124*z12^2) + 
   (8*s13*s34*z1*z2)/(s12*s123^2*z12^2) - (8*s13*s34*z1*z2)/
    (s12*s123*s124*z12^2) + (4*s13^2*s34*z1*z2)/(s12^2*s123^2*z12^2) + 
   (8*s14*s34*z1*z2)/(s12*s124^2*z12^2) - (8*s14*s34*z1*z2)/
    (s12*s123*s124*z12^2) - (8*s13*s14*s34*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (4*s14^2*s34*z1*z2)/(s12^2*s124^2*z12^2) + 
   (8*s23*s34*z1*z2)/(s12*s123^2*z12^2) - (8*s23*s34*z1*z2)/
    (s12*s123*s124*z12^2) + (8*s13*s23*s34*z1*z2)/(s12^2*s123^2*z12^2) - 
   (8*s14*s23*s34*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (4*s23^2*s34*z1*z2)/(s12^2*s123^2*z12^2) + 
   (8*s24*s34*z1*z2)/(s12*s124^2*z12^2) - (8*s24*s34*z1*z2)/
    (s12*s123*s124*z12^2) - (8*s13*s24*s34*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (8*s14*s24*s34*z1*z2)/(s12^2*s124^2*z12^2) - (8*s23*s24*s34*z1*z2)/
    (s12^2*s123*s124*z12^2) + (4*s24^2*s34*z1*z2)/(s12^2*s124^2*z12^2) - 
   (4*s13*z2)/(s123^2*z12) + (4*s13*z2)/(s123*s124*z12) - 
   (8*s13^2*z2)/(s12*s123^2*z12) + (4*s13^2*z2)/(s12*s123*s124*z12) - 
   (4*s13^3*z2)/(s12^2*s123^2*z12) + (2*s13*z2)/(s123*s134*z12) - 
   (2*s13*z2)/(s124*s134*z12) + (2*s13^2*z2)/(s12*s123*s134*z12) - 
   (4*s14*z2)/(s124^2*z12) + (4*s14*z2)/(s123*s124*z12) - 
   (4*s13*s14*z2)/(s12*s123^2*z12) - (4*s13*s14*z2)/(s12*s124^2*z12) + 
   (16*s13*s14*z2)/(s12*s123*s124*z12) - (4*s13^2*s14*z2)/
    (s12^2*s123^2*z12) + (8*s13^2*s14*z2)/(s12^2*s123*s124*z12) + 
   (2*s14*z2)/(s123*s134*z12) - (2*s14*z2)/(s124*s134*z12) + 
   (2*s13*s14*z2)/(s12*s123*s134*z12) - (2*s13*s14*z2)/(s12*s124*s134*z12) - 
   (8*s14^2*z2)/(s12*s124^2*z12) + (4*s14^2*z2)/(s12*s123*s124*z12) - 
   (4*s13*s14^2*z2)/(s12^2*s124^2*z12) + (8*s13*s14^2*z2)/
    (s12^2*s123*s124*z12) - (2*s14^2*z2)/(s12*s124*s134*z12) - 
   (4*s14^3*z2)/(s12^2*s124^2*z12) - (8*s13*s23*z2)/(s12*s123^2*z12) + 
   (4*s13*s23*z2)/(s12*s123*s124*z12) - (8*s13^2*s23*z2)/(s12^2*s123^2*z12) + 
   (2*s13*s23*z2)/(s12*s123*s134*z12) - (4*s14*s23*z2)/(s12*s124^2*z12) + 
   (8*s14*s23*z2)/(s12*s123*s124*z12) - (4*s13*s14*s23*z2)/
    (s12^2*s123^2*z12) + (12*s13*s14*s23*z2)/(s12^2*s123*s124*z12) + 
   (2*s14*s23*z2)/(s12*s123*s134*z12) - (4*s14^2*s23*z2)/(s12^2*s124^2*z12) + 
   (4*s14^2*s23*z2)/(s12^2*s123*s124*z12) - (4*s13*s23^2*z2)/
    (s12^2*s123^2*z12) + (4*s14*s23^2*z2)/(s12^2*s123*s124*z12) - 
   (2*s13*z2)/(s123*s234*z12) + (2*s13*z2)/(s124*s234*z12) - 
   (2*s13^2*z2)/(s12*s123*s234*z12) - (2*s14*z2)/(s123*s234*z12) + 
   (2*s14*z2)/(s124*s234*z12) - (2*s13*s14*z2)/(s12*s123*s234*z12) + 
   (2*s13*s14*z2)/(s12*s124*s234*z12) + (2*s14^2*z2)/(s12*s124*s234*z12) - 
   (2*s13*s23*z2)/(s12*s123*s234*z12) - (2*s14*s23*z2)/(s12*s123*s234*z12) - 
   (4*s13*s24*z2)/(s12*s123^2*z12) + (8*s13*s24*z2)/(s12*s123*s124*z12) - 
   (4*s13^2*s24*z2)/(s12^2*s123^2*z12) + (4*s13^2*s24*z2)/
    (s12^2*s123*s124*z12) - (2*s13*s24*z2)/(s12*s124*s134*z12) - 
   (8*s14*s24*z2)/(s12*s124^2*z12) + (4*s14*s24*z2)/(s12*s123*s124*z12) - 
   (4*s13*s14*s24*z2)/(s12^2*s124^2*z12) + (12*s13*s14*s24*z2)/
    (s12^2*s123*s124*z12) - (2*s14*s24*z2)/(s12*s124*s134*z12) - 
   (8*s14^2*s24*z2)/(s12^2*s124^2*z12) - (4*s13*s23*s24*z2)/
    (s12^2*s123^2*z12) + (4*s13*s23*s24*z2)/(s12^2*s123*s124*z12) - 
   (4*s14*s23*s24*z2)/(s12^2*s124^2*z12) + (4*s14*s23*s24*z2)/
    (s12^2*s123*s124*z12) + (2*s13*s24*z2)/(s12*s124*s234*z12) + 
   (2*s14*s24*z2)/(s12*s124*s234*z12) + (4*s13*s24^2*z2)/
    (s12^2*s123*s124*z12) - (4*s14*s24^2*z2)/(s12^2*s124^2*z12) + 
   (2*s12*s13*z2)/(s123*s134*s34*z12) - (2*s12*s13*z2)/(s124*s134*s34*z12) + 
   (4*s13^2*z2)/(s123*s134*s34*z12) - (2*s13^2*z2)/(s124*s134*s34*z12) + 
   (2*s13^3*z2)/(s12*s123*s134*s34*z12) + (2*s12*s14*z2)/
    (s123*s134*s34*z12) - (2*s12*s14*z2)/(s124*s134*s34*z12) + 
   (6*s13*s14*z2)/(s123*s134*s34*z12) - (6*s13*s14*z2)/(s124*s134*s34*z12) + 
   (4*s13^2*s14*z2)/(s12*s123*s134*s34*z12) - 
   (2*s13^2*s14*z2)/(s12*s124*s134*s34*z12) + 
   (2*s14^2*z2)/(s123*s134*s34*z12) - (4*s14^2*z2)/(s124*s134*s34*z12) + 
   (2*s13*s14^2*z2)/(s12*s123*s134*s34*z12) - 
   (4*s13*s14^2*z2)/(s12*s124*s134*s34*z12) - 
   (2*s14^3*z2)/(s12*s124*s134*s34*z12) + (4*s13*s23*z2)/
    (s123*s134*s34*z12) - (2*s13*s23*z2)/(s124*s134*s34*z12) + 
   (4*s13^2*s23*z2)/(s12*s123*s134*s34*z12) + 
   (4*s14*s23*z2)/(s123*s134*s34*z12) - (2*s14*s23*z2)/(s124*s134*s34*z12) + 
   (6*s13*s14*s23*z2)/(s12*s123*s134*s34*z12) - 
   (2*s13*s14*s23*z2)/(s12*s124*s134*s34*z12) + 
   (2*s14^2*s23*z2)/(s12*s123*s134*s34*z12) - 
   (2*s14^2*s23*z2)/(s12*s124*s134*s34*z12) + 
   (2*s13*s23^2*z2)/(s12*s123*s134*s34*z12) + 
   (2*s14*s23^2*z2)/(s12*s123*s134*s34*z12) - 
   (2*s12*s13*z2)/(s123*s234*s34*z12) + (2*s12*s13*z2)/(s124*s234*s34*z12) - 
   (4*s13^2*z2)/(s123*s234*s34*z12) + (2*s13^2*z2)/(s124*s234*s34*z12) - 
   (2*s13^3*z2)/(s12*s123*s234*s34*z12) - (2*s12*s14*z2)/
    (s123*s234*s34*z12) + (2*s12*s14*z2)/(s124*s234*s34*z12) - 
   (6*s13*s14*z2)/(s123*s234*s34*z12) + (6*s13*s14*z2)/(s124*s234*s34*z12) - 
   (4*s13^2*s14*z2)/(s12*s123*s234*s34*z12) + 
   (2*s13^2*s14*z2)/(s12*s124*s234*s34*z12) - 
   (2*s14^2*z2)/(s123*s234*s34*z12) + (4*s14^2*z2)/(s124*s234*s34*z12) - 
   (2*s13*s14^2*z2)/(s12*s123*s234*s34*z12) + 
   (4*s13*s14^2*z2)/(s12*s124*s234*s34*z12) + 
   (2*s14^3*z2)/(s12*s124*s234*s34*z12) - (4*s13*s23*z2)/
    (s123*s234*s34*z12) + (2*s13*s23*z2)/(s124*s234*s34*z12) - 
   (4*s13^2*s23*z2)/(s12*s123*s234*s34*z12) - 
   (4*s14*s23*z2)/(s123*s234*s34*z12) + (2*s14*s23*z2)/(s124*s234*s34*z12) - 
   (6*s13*s14*s23*z2)/(s12*s123*s234*s34*z12) + 
   (2*s13*s14*s23*z2)/(s12*s124*s234*s34*z12) - 
   (2*s14^2*s23*z2)/(s12*s123*s234*s34*z12) + 
   (2*s14^2*s23*z2)/(s12*s124*s234*s34*z12) - 
   (2*s13*s23^2*z2)/(s12*s123*s234*s34*z12) - 
   (2*s14*s23^2*z2)/(s12*s123*s234*s34*z12) + 
   (2*s13*s24*z2)/(s123*s134*s34*z12) - (4*s13*s24*z2)/(s124*s134*s34*z12) + 
   (2*s13^2*s24*z2)/(s12*s123*s134*s34*z12) - 
   (2*s13^2*s24*z2)/(s12*s124*s134*s34*z12) + 
   (2*s14*s24*z2)/(s123*s134*s34*z12) - (4*s14*s24*z2)/(s124*s134*s34*z12) + 
   (2*s13*s14*s24*z2)/(s12*s123*s134*s34*z12) - 
   (6*s13*s14*s24*z2)/(s12*s124*s134*s34*z12) - 
   (4*s14^2*s24*z2)/(s12*s124*s134*s34*z12) + (2*s13*s23*s24*z2)/
    (s12*s123*s134*s34*z12) - (2*s13*s23*s24*z2)/(s12*s124*s134*s34*z12) + 
   (2*s14*s23*s24*z2)/(s12*s123*s134*s34*z12) - 
   (2*s14*s23*s24*z2)/(s12*s124*s134*s34*z12) - 
   (2*s13*s24*z2)/(s123*s234*s34*z12) + (4*s13*s24*z2)/(s124*s234*s34*z12) - 
   (2*s13^2*s24*z2)/(s12*s123*s234*s34*z12) + 
   (2*s13^2*s24*z2)/(s12*s124*s234*s34*z12) - 
   (2*s14*s24*z2)/(s123*s234*s34*z12) + (4*s14*s24*z2)/(s124*s234*s34*z12) - 
   (2*s13*s14*s24*z2)/(s12*s123*s234*s34*z12) + 
   (6*s13*s14*s24*z2)/(s12*s124*s234*s34*z12) + 
   (4*s14^2*s24*z2)/(s12*s124*s234*s34*z12) - (2*s13*s23*s24*z2)/
    (s12*s123*s234*s34*z12) + (2*s13*s23*s24*z2)/(s12*s124*s234*s34*z12) - 
   (2*s14*s23*s24*z2)/(s12*s123*s234*s34*z12) + 
   (2*s14*s23*s24*z2)/(s12*s124*s234*s34*z12) - 
   (2*s13*s24^2*z2)/(s12*s124*s134*s34*z12) - 
   (2*s14*s24^2*z2)/(s12*s124*s134*s34*z12) + 
   (2*s13*s24^2*z2)/(s12*s124*s234*s34*z12) + 
   (2*s14*s24^2*z2)/(s12*s124*s234*s34*z12) - 
   (4*s13*s34*z2)/(s12*s123^2*z12) + (4*s13*s34*z2)/(s12*s123*s124*z12) - 
   (4*s13^2*s34*z2)/(s12^2*s123^2*z12) - (4*s14*s34*z2)/(s12*s124^2*z12) + 
   (4*s14*s34*z2)/(s12*s123*s124*z12) + (8*s13*s14*s34*z2)/
    (s12^2*s123*s124*z12) - (4*s14^2*s34*z2)/(s12^2*s124^2*z12) - 
   (4*s13*s23*s34*z2)/(s12^2*s123^2*z12) + (4*s14*s23*s34*z2)/
    (s12^2*s123*s124*z12) + (4*s13*s24*s34*z2)/(s12^2*s123*s124*z12) - 
   (4*s14*s24*s34*z2)/(s12^2*s124^2*z12) + (4*s12*z3)/(s123^2*z12) - 
   (4*s12*z3)/(s123*s124*z12) + (8*s13*z3)/(s123^2*z12) - 
   (4*s13*z3)/(s123*s124*z12) + (4*s13^2*z3)/(s12*s123^2*z12) - 
   (2*s12*z3)/(s123*s134*z12) + (2*s12*z3)/(s124*s134*z12) - 
   (2*s13*z3)/(s123*s134*z12) + (4*s14*z3)/(s123^2*z12) - 
   (8*s14*z3)/(s123*s124*z12) + (4*s13*s14*z3)/(s12*s123^2*z12) - 
   (4*s13*s14*z3)/(s12*s123*s124*z12) + (2*s14*z3)/(s124*s134*z12) - 
   (4*s14^2*z3)/(s12*s123*s124*z12) + (8*s23*z3)/(s123^2*z12) - 
   (4*s23*z3)/(s123*s124*z12) + (8*s13*s23*z3)/(s12*s123^2*z12) - 
   (2*s23*z3)/(s123*s134*z12) + (4*s14*s23*z3)/(s12*s123^2*z12) - 
   (4*s14*s23*z3)/(s12*s123*s124*z12) + (4*s23^2*z3)/(s12*s123^2*z12) + 
   (2*s12*z3)/(s123*s234*z12) - (2*s12*z3)/(s124*s234*z12) + 
   (2*s13*z3)/(s123*s234*z12) - (2*s14*z3)/(s124*s234*z12) + 
   (2*s23*z3)/(s123*s234*z12) + (4*s24*z3)/(s123^2*z12) - 
   (8*s24*z3)/(s123*s124*z12) + (4*s13*s24*z3)/(s12*s123^2*z12) - 
   (4*s13*s24*z3)/(s12*s123*s124*z12) + (2*s24*z3)/(s124*s134*z12) - 
   (8*s14*s24*z3)/(s12*s123*s124*z12) + (4*s23*s24*z3)/(s12*s123^2*z12) - 
   (4*s23*s24*z3)/(s12*s123*s124*z12) - (2*s24*z3)/(s124*s234*z12) - 
   (4*s24^2*z3)/(s12*s123*s124*z12) - (2*s12^2*z3)/(s123*s134*s34*z12) + 
   (2*s12^2*z3)/(s124*s134*s34*z12) - (4*s12*s13*z3)/(s123*s134*s34*z12) + 
   (2*s12*s13*z3)/(s124*s134*s34*z12) - (2*s13^2*z3)/(s123*s134*s34*z12) - 
   (2*s12*s14*z3)/(s123*s134*s34*z12) + (4*s12*s14*z3)/(s124*s134*s34*z12) - 
   (2*s13*s14*z3)/(s123*s134*s34*z12) + (2*s13*s14*z3)/(s124*s134*s34*z12) + 
   (2*s14^2*z3)/(s124*s134*s34*z12) - (4*s12*s23*z3)/(s123*s134*s34*z12) + 
   (2*s12*s23*z3)/(s124*s134*s34*z12) - (4*s13*s23*z3)/(s123*s134*s34*z12) - 
   (2*s14*s23*z3)/(s123*s134*s34*z12) + (2*s14*s23*z3)/(s124*s134*s34*z12) - 
   (2*s23^2*z3)/(s123*s134*s34*z12) + (2*s12^2*z3)/(s123*s234*s34*z12) - 
   (2*s12^2*z3)/(s124*s234*s34*z12) + (4*s12*s13*z3)/(s123*s234*s34*z12) - 
   (2*s12*s13*z3)/(s124*s234*s34*z12) + (2*s13^2*z3)/(s123*s234*s34*z12) + 
   (2*s12*s14*z3)/(s123*s234*s34*z12) - (4*s12*s14*z3)/(s124*s234*s34*z12) + 
   (2*s13*s14*z3)/(s123*s234*s34*z12) - (2*s13*s14*z3)/(s124*s234*s34*z12) - 
   (2*s14^2*z3)/(s124*s234*s34*z12) + (4*s12*s23*z3)/(s123*s234*s34*z12) - 
   (2*s12*s23*z3)/(s124*s234*s34*z12) + (4*s13*s23*z3)/(s123*s234*s34*z12) + 
   (2*s14*s23*z3)/(s123*s234*s34*z12) - (2*s14*s23*z3)/(s124*s234*s34*z12) + 
   (2*s23^2*z3)/(s123*s234*s34*z12) - (2*s12*s24*z3)/(s123*s134*s34*z12) + 
   (4*s12*s24*z3)/(s124*s134*s34*z12) - (2*s13*s24*z3)/(s123*s134*s34*z12) + 
   (2*s13*s24*z3)/(s124*s134*s34*z12) + (4*s14*s24*z3)/(s124*s134*s34*z12) - 
   (2*s23*s24*z3)/(s123*s134*s34*z12) + (2*s23*s24*z3)/(s124*s134*s34*z12) + 
   (2*s12*s24*z3)/(s123*s234*s34*z12) - (4*s12*s24*z3)/(s124*s234*s34*z12) + 
   (2*s13*s24*z3)/(s123*s234*s34*z12) - (2*s13*s24*z3)/(s124*s234*s34*z12) - 
   (4*s14*s24*z3)/(s124*s234*s34*z12) + (2*s23*s24*z3)/(s123*s234*s34*z12) - 
   (2*s23*s24*z3)/(s124*s234*s34*z12) + (2*s24^2*z3)/(s124*s134*s34*z12) - 
   (2*s24^2*z3)/(s124*s234*s34*z12) + (4*s34*z3)/(s123^2*z12) - 
   (4*s34*z3)/(s123*s124*z12) + (4*s13*s34*z3)/(s12*s123^2*z12) - 
   (4*s14*s34*z3)/(s12*s123*s124*z12) + (4*s23*s34*z3)/(s12*s123^2*z12) - 
   (4*s24*s34*z3)/(s12*s123*s124*z12) + (4*s12*z3)/(s123*s134*z34) + 
   (8*s13*z3)/(s123*s134*z34) + (8*s14*z3)/(s123*s134*z34) + 
   (4*s23*z3)/(s123*s134*z34) - (4*s12*z3)/(s123*s234*z34) - 
   (4*s13*z3)/(s123*s234*z34) - (4*s14*z3)/(s123*s234*z34) - 
   (8*s23*z3)/(s123*s234*z34) + (4*s24*z3)/(s123*s134*z34) - 
   (8*s24*z3)/(s123*s234*z34) + (4*s12*s13*z3)/(s123*s134*s34*z34) + 
   (4*s13^2*z3)/(s123*s134*s34*z34) + (4*s12*s14*z3)/(s123*s134*s34*z34) + 
   (8*s13*s14*z3)/(s123*s134*s34*z34) + (4*s14^2*z3)/(s123*s134*s34*z34) + 
   (4*s13*s23*z3)/(s123*s134*s34*z34) + (4*s14*s23*z3)/(s123*s134*s34*z34) - 
   (4*s12*s23*z3)/(s123*s234*s34*z34) - (4*s13*s23*z3)/(s123*s234*s34*z34) - 
   (4*s14*s23*z3)/(s123*s234*s34*z34) - (4*s23^2*z3)/(s123*s234*s34*z34) + 
   (4*s13*s24*z3)/(s123*s134*s34*z34) + (4*s14*s24*z3)/(s123*s134*s34*z34) - 
   (4*s12*s24*z3)/(s123*s234*s34*z34) - (4*s13*s24*z3)/(s123*s234*s34*z34) - 
   (4*s14*s24*z3)/(s123*s234*s34*z34) - (8*s23*s24*z3)/(s123*s234*s34*z34) - 
   (4*s24^2*z3)/(s123*s234*s34*z34) + (4*s34*z3)/(s123*s134*z34) - 
   (4*s34*z3)/(s123*s234*z34) + (4*s12*z4)/(s124^2*z12) - 
   (4*s12*z4)/(s123*s124*z12) + (4*s13*z4)/(s124^2*z12) - 
   (8*s13*z4)/(s123*s124*z12) - (4*s13^2*z4)/(s12*s123*s124*z12) - 
   (2*s12*z4)/(s123*s134*z12) + (2*s12*z4)/(s124*s134*z12) - 
   (2*s13*z4)/(s123*s134*z12) + (8*s14*z4)/(s124^2*z12) - 
   (4*s14*z4)/(s123*s124*z12) + (4*s13*s14*z4)/(s12*s124^2*z12) - 
   (4*s13*s14*z4)/(s12*s123*s124*z12) + (2*s14*z4)/(s124*s134*z12) + 
   (4*s14^2*z4)/(s12*s124^2*z12) + (4*s23*z4)/(s124^2*z12) - 
   (8*s23*z4)/(s123*s124*z12) - (8*s13*s23*z4)/(s12*s123*s124*z12) - 
   (2*s23*z4)/(s123*s134*z12) + (4*s14*s23*z4)/(s12*s124^2*z12) - 
   (4*s14*s23*z4)/(s12*s123*s124*z12) - (4*s23^2*z4)/(s12*s123*s124*z12) + 
   (2*s12*z4)/(s123*s234*z12) - (2*s12*z4)/(s124*s234*z12) + 
   (2*s13*z4)/(s123*s234*z12) - (2*s14*z4)/(s124*s234*z12) + 
   (2*s23*z4)/(s123*s234*z12) + (8*s24*z4)/(s124^2*z12) - 
   (4*s24*z4)/(s123*s124*z12) + (4*s13*s24*z4)/(s12*s124^2*z12) - 
   (4*s13*s24*z4)/(s12*s123*s124*z12) + (2*s24*z4)/(s124*s134*z12) + 
   (8*s14*s24*z4)/(s12*s124^2*z12) + (4*s23*s24*z4)/(s12*s124^2*z12) - 
   (4*s23*s24*z4)/(s12*s123*s124*z12) - (2*s24*z4)/(s124*s234*z12) + 
   (4*s24^2*z4)/(s12*s124^2*z12) - (2*s12^2*z4)/(s123*s134*s34*z12) + 
   (2*s12^2*z4)/(s124*s134*s34*z12) - (4*s12*s13*z4)/(s123*s134*s34*z12) + 
   (2*s12*s13*z4)/(s124*s134*s34*z12) - (2*s13^2*z4)/(s123*s134*s34*z12) - 
   (2*s12*s14*z4)/(s123*s134*s34*z12) + (4*s12*s14*z4)/(s124*s134*s34*z12) - 
   (2*s13*s14*z4)/(s123*s134*s34*z12) + (2*s13*s14*z4)/(s124*s134*s34*z12) + 
   (2*s14^2*z4)/(s124*s134*s34*z12) - (4*s12*s23*z4)/(s123*s134*s34*z12) + 
   (2*s12*s23*z4)/(s124*s134*s34*z12) - (4*s13*s23*z4)/(s123*s134*s34*z12) - 
   (2*s14*s23*z4)/(s123*s134*s34*z12) + (2*s14*s23*z4)/(s124*s134*s34*z12) - 
   (2*s23^2*z4)/(s123*s134*s34*z12) + (2*s12^2*z4)/(s123*s234*s34*z12) - 
   (2*s12^2*z4)/(s124*s234*s34*z12) + (4*s12*s13*z4)/(s123*s234*s34*z12) - 
   (2*s12*s13*z4)/(s124*s234*s34*z12) + (2*s13^2*z4)/(s123*s234*s34*z12) + 
   (2*s12*s14*z4)/(s123*s234*s34*z12) - (4*s12*s14*z4)/(s124*s234*s34*z12) + 
   (2*s13*s14*z4)/(s123*s234*s34*z12) - (2*s13*s14*z4)/(s124*s234*s34*z12) - 
   (2*s14^2*z4)/(s124*s234*s34*z12) + (4*s12*s23*z4)/(s123*s234*s34*z12) - 
   (2*s12*s23*z4)/(s124*s234*s34*z12) + (4*s13*s23*z4)/(s123*s234*s34*z12) + 
   (2*s14*s23*z4)/(s123*s234*s34*z12) - (2*s14*s23*z4)/(s124*s234*s34*z12) + 
   (2*s23^2*z4)/(s123*s234*s34*z12) - (2*s12*s24*z4)/(s123*s134*s34*z12) + 
   (4*s12*s24*z4)/(s124*s134*s34*z12) - (2*s13*s24*z4)/(s123*s134*s34*z12) + 
   (2*s13*s24*z4)/(s124*s134*s34*z12) + (4*s14*s24*z4)/(s124*s134*s34*z12) - 
   (2*s23*s24*z4)/(s123*s134*s34*z12) + (2*s23*s24*z4)/(s124*s134*s34*z12) + 
   (2*s12*s24*z4)/(s123*s234*s34*z12) - (4*s12*s24*z4)/(s124*s234*s34*z12) + 
   (2*s13*s24*z4)/(s123*s234*s34*z12) - (2*s13*s24*z4)/(s124*s234*s34*z12) - 
   (4*s14*s24*z4)/(s124*s234*s34*z12) + (2*s23*s24*z4)/(s123*s234*s34*z12) - 
   (2*s23*s24*z4)/(s124*s234*s34*z12) + (2*s24^2*z4)/(s124*s134*s34*z12) - 
   (2*s24^2*z4)/(s124*s234*s34*z12) + (4*s34*z4)/(s124^2*z12) - 
   (4*s34*z4)/(s123*s124*z12) - (4*s13*s34*z4)/(s12*s123*s124*z12) + 
   (4*s14*s34*z4)/(s12*s124^2*z12) - (4*s23*s34*z4)/(s12*s123*s124*z12) + 
   (4*s24*s34*z4)/(s12*s124^2*z12) - (4*s12*z4)/(s124*s134*z34) - 
   (8*s13*z4)/(s124*s134*z34) - (8*s14*z4)/(s124*s134*z34) - 
   (4*s23*z4)/(s124*s134*z34) + (4*s12*z4)/(s124*s234*z34) + 
   (4*s13*z4)/(s124*s234*z34) + (4*s14*z4)/(s124*s234*z34) + 
   (8*s23*z4)/(s124*s234*z34) - (4*s24*z4)/(s124*s134*z34) + 
   (8*s24*z4)/(s124*s234*z34) - (4*s12*s13*z4)/(s124*s134*s34*z34) - 
   (4*s13^2*z4)/(s124*s134*s34*z34) - (4*s12*s14*z4)/(s124*s134*s34*z34) - 
   (8*s13*s14*z4)/(s124*s134*s34*z34) - (4*s14^2*z4)/(s124*s134*s34*z34) - 
   (4*s13*s23*z4)/(s124*s134*s34*z34) - (4*s14*s23*z4)/(s124*s134*s34*z34) + 
   (4*s12*s23*z4)/(s124*s234*s34*z34) + (4*s13*s23*z4)/(s124*s234*s34*z34) + 
   (4*s14*s23*z4)/(s124*s234*s34*z34) + (4*s23^2*z4)/(s124*s234*s34*z34) - 
   (4*s13*s24*z4)/(s124*s134*s34*z34) - (4*s14*s24*z4)/(s124*s134*s34*z34) + 
   (4*s12*s24*z4)/(s124*s234*s34*z34) + (4*s13*s24*z4)/(s124*s234*s34*z34) + 
   (4*s14*s24*z4)/(s124*s234*s34*z34) + (8*s23*s24*z4)/(s124*s234*s34*z34) + 
   (4*s24^2*z4)/(s124*s234*s34*z34) - (4*s34*z4)/(s124*s134*z34) + 
   (4*s34*z4)/(s124*s234*z34)) + 
 k2k2*((-8*s13)/(s123*s134) + (2*D*s13)/(s123*s134) + (8*s13)/(s124*s134) - 
   (2*D*s13)/(s124*s134) - (8*s13^2)/(s12*s123*s134) + 
   (2*D*s13^2)/(s12*s123*s134) + (8*s13^2)/(s12*s124*s134) - 
   (2*D*s13^2)/(s12*s124*s134) + (8*s13*s14)/(s12*s123*s124) + 
   (8*s13^2*s14)/(s12^2*s123*s124) - (8*s14)/(s123*s134) + 
   (2*D*s14)/(s123*s134) + (8*s14)/(s124*s134) - (2*D*s14)/(s124*s134) - 
   (8*s13*s14)/(s12*s123*s134) + (4*D*s13*s14)/(s12*s123*s134) + 
   (8*s13*s14)/(s12*s124*s134) - (4*D*s13*s14)/(s12*s124*s134) + 
   (8*s13*s14^2)/(s12^2*s123*s124) - (8*s14^2)/(s12*s123*s134) + 
   (2*D*s14^2)/(s12*s123*s134) + (8*s14^2)/(s12*s124*s134) - 
   (2*D*s14^2)/(s12*s124*s134) - (8*s13*s23)/(s12*s123*s134) + 
   (2*D*s13*s23)/(s12*s123*s134) + (8*s13*s23)/(s12*s124*s134) - 
   (2*D*s13*s23)/(s12*s124*s134) + (8*s13*s14*s23)/(s12^2*s123*s124) - 
   (8*s14*s23)/(s12*s123*s134) + (2*D*s14*s23)/(s12*s123*s134) + 
   (8*s14*s23)/(s12*s124*s134) - (2*D*s14*s23)/(s12*s124*s134) + 
   (2*D*s13)/(s123*s234) + (8*s13)/(s124*s234) - (2*D*s13)/(s124*s234) + 
   (2*D*s13^2)/(s12*s123*s234) + (8*s13^2)/(s12*s124*s234) - 
   (2*D*s13^2)/(s12*s124*s234) - (4*s13)/(s134*s234) - (8*s14)/(s123*s234) + 
   (2*D*s14)/(s123*s234) - (2*D*s14)/(s124*s234) - 
   (8*s13*s14)/(s12*s123*s234) + (4*D*s13*s14)/(s12*s123*s234) + 
   (8*s13*s14)/(s12*s124*s234) - (4*D*s13*s14)/(s12*s124*s234) - 
   (4*s14)/(s134*s234) - (8*s14^2)/(s12*s123*s234) + 
   (2*D*s14^2)/(s12*s123*s234) - (2*D*s14^2)/(s12*s124*s234) + 
   (2*D*s13*s23)/(s12*s123*s234) + (8*s13*s23)/(s12*s124*s234) - 
   (2*D*s13*s23)/(s12*s124*s234) - (16*s14*s23)/(s12*s123*s234) + 
   (2*D*s14*s23)/(s12*s123*s234) - (2*D*s14*s23)/(s12*s124*s234) - 
   (8*s13*s24)/(s12*s123*s134) + (2*D*s13*s24)/(s12*s123*s134) + 
   (8*s13*s24)/(s12*s124*s134) - (2*D*s13*s24)/(s12*s124*s134) + 
   (8*s13*s14*s24)/(s12^2*s123*s124) - (8*s14*s24)/(s12*s123*s134) + 
   (2*D*s14*s24)/(s12*s123*s134) + (8*s14*s24)/(s12*s124*s134) - 
   (2*D*s14*s24)/(s12*s124*s134) + (2*D*s13*s24)/(s12*s123*s234) + 
   (16*s13*s24)/(s12*s124*s234) - (2*D*s13*s24)/(s12*s124*s234) - 
   (8*s14*s24)/(s12*s123*s234) + (2*D*s14*s24)/(s12*s123*s234) - 
   (2*D*s14*s24)/(s12*s124*s234) + (8*s13*s14)/(s123*s134*s34) - 
   (8*s13*s14)/(s124*s134*s34) + (8*s13^2*s14)/(s12*s123*s134*s34) - 
   (8*s13^2*s14)/(s12*s124*s134*s34) + (8*s13*s14^2)/(s12*s123*s134*s34) - 
   (8*s13*s14^2)/(s12*s124*s134*s34) + (8*s13*s14*s23)/(s12*s123*s134*s34) - 
   (8*s13*s14*s23)/(s12*s124*s134*s34) - (4*s12*s13)/(s134*s234*s34) - 
   (4*s13^2)/(s134*s234*s34) - (4*s12*s14)/(s134*s234*s34) - 
   (8*s13*s14)/(s134*s234*s34) - (4*s14^2)/(s134*s234*s34) - 
   (4*s13*s23)/(s134*s234*s34) - (8*s14*s23)/(s123*s234*s34) - 
   (8*s13*s14*s23)/(s12*s123*s234*s34) - (4*s14*s23)/(s134*s234*s34) - 
   (8*s14^2*s23)/(s12*s123*s234*s34) - (8*s14*s23^2)/(s12*s123*s234*s34) + 
   (8*s13*s14*s24)/(s12*s123*s134*s34) - (8*s13*s14*s24)/
    (s12*s124*s134*s34) + (8*s13*s24)/(s124*s234*s34) + 
   (8*s13^2*s24)/(s12*s124*s234*s34) - (4*s13*s24)/(s134*s234*s34) + 
   (8*s13*s14*s24)/(s12*s124*s234*s34) - (4*s14*s24)/(s134*s234*s34) + 
   (8*s13*s23*s24)/(s12*s124*s234*s34) - (8*s14*s23*s24)/
    (s12*s123*s234*s34) + (8*s13*s24^2)/(s12*s124*s234*s34) + 
   (8*s34)/(s123*s124) - (2*D*s34)/(s123*s124) + 
   (8*s13*s34)/(s12*s123*s124) - (2*D*s13*s34)/(s12*s123*s124) - 
   (8*s13*s34)/(s12*s123*s134) + (2*D*s13*s34)/(s12*s123*s134) + 
   (8*s13*s34)/(s12*s124*s134) - (2*D*s13*s34)/(s12*s124*s134) + 
   (8*s14*s34)/(s12*s123*s124) - (2*D*s14*s34)/(s12*s123*s124) + 
   (8*s13*s14*s34)/(s12^2*s123*s124) - (8*s14*s34)/(s12*s123*s134) + 
   (2*D*s14*s34)/(s12*s123*s134) + (8*s14*s34)/(s12*s124*s134) - 
   (2*D*s14*s34)/(s12*s124*s134) + (8*s23*s34)/(s12*s123*s124) - 
   (2*D*s23*s34)/(s12*s123*s124) + (2*D*s13*s34)/(s12*s123*s234) + 
   (8*s13*s34)/(s12*s124*s234) - (2*D*s13*s34)/(s12*s124*s234) - 
   (8*s14*s34)/(s12*s123*s234) + (2*D*s14*s34)/(s12*s123*s234) - 
   (2*D*s14*s34)/(s12*s124*s234) + (8*s24*s34)/(s12*s123*s124) - 
   (2*D*s24*s34)/(s12*s123*s124) + (8*s34^2)/(s12*s123*s124) - 
   (2*D*s34^2)/(s12*s123*s124) - (8*s12*z1)/(s123*s234*z12) + 
   (8*s12*z1)/(s124*s234*z12) - (16*s13*z1)/(s123*s234*z12) + 
   (8*s13*z1)/(s124*s234*z12) - (8*s13^2*z1)/(s12*s123*s234*z12) - 
   (8*s14*z1)/(s123*s234*z12) + (16*s14*z1)/(s124*s234*z12) - 
   (8*s13*s14*z1)/(s12*s123*s234*z12) + (8*s13*s14*z1)/(s12*s124*s234*z12) + 
   (8*s14^2*z1)/(s12*s124*s234*z12) - (16*s23*z1)/(s123*s234*z12) + 
   (8*s23*z1)/(s124*s234*z12) - (16*s13*s23*z1)/(s12*s123*s234*z12) - 
   (8*s14*s23*z1)/(s12*s123*s234*z12) + (8*s14*s23*z1)/(s12*s124*s234*z12) - 
   (8*s23^2*z1)/(s12*s123*s234*z12) - (8*s24*z1)/(s123*s234*z12) + 
   (16*s24*z1)/(s124*s234*z12) - (8*s13*s24*z1)/(s12*s123*s234*z12) + 
   (8*s13*s24*z1)/(s12*s124*s234*z12) + (16*s14*s24*z1)/(s12*s124*s234*z12) - 
   (8*s23*s24*z1)/(s12*s123*s234*z12) + (8*s23*s24*z1)/(s12*s124*s234*z12) + 
   (8*s24^2*z1)/(s12*s124*s234*z12) - (8*s34*z1)/(s123*s234*z12) + 
   (8*s34*z1)/(s124*s234*z12) - (8*s13*s34*z1)/(s12*s123*s234*z12) + 
   (8*s14*s34*z1)/(s12*s124*s234*z12) - (8*s23*s34*z1)/(s12*s123*s234*z12) + 
   (8*s24*s34*z1)/(s12*s124*s234*z12) + (4*s13*z1)/(s123*s134*z34) - 
   (4*s13*z1)/(s124*s134*z34) + (4*s13^2*z1)/(s12*s123*s134*z34) - 
   (4*s13^2*z1)/(s12*s124*s134*z34) + (4*s14*z1)/(s123*s134*z34) - 
   (4*s14*z1)/(s124*s134*z34) + (8*s13*s14*z1)/(s12*s123*s134*z34) - 
   (8*s13*s14*z1)/(s12*s124*s134*z34) + (4*s14^2*z1)/(s12*s123*s134*z34) - 
   (4*s14^2*z1)/(s12*s124*s134*z34) + (4*s13*s23*z1)/(s12*s123*s134*z34) - 
   (4*s13*s23*z1)/(s12*s124*s134*z34) + (4*s14*s23*z1)/(s12*s123*s134*z34) - 
   (4*s14*s23*z1)/(s12*s124*s134*z34) - (4*s23*z1)/(s123*s234*z34) + 
   (4*s23*z1)/(s124*s234*z34) - (4*s13*s23*z1)/(s12*s123*s234*z34) + 
   (4*s13*s23*z1)/(s12*s124*s234*z34) - (4*s14*s23*z1)/(s12*s123*s234*z34) + 
   (4*s14*s23*z1)/(s12*s124*s234*z34) - (4*s23^2*z1)/(s12*s123*s234*z34) + 
   (4*s23^2*z1)/(s12*s124*s234*z34) + (4*s13*s24*z1)/(s12*s123*s134*z34) - 
   (4*s13*s24*z1)/(s12*s124*s134*z34) + (4*s14*s24*z1)/(s12*s123*s134*z34) - 
   (4*s14*s24*z1)/(s12*s124*s134*z34) - (4*s24*z1)/(s123*s234*z34) + 
   (4*s24*z1)/(s124*s234*z34) - (4*s13*s24*z1)/(s12*s123*s234*z34) + 
   (4*s13*s24*z1)/(s12*s124*s234*z34) - (4*s14*s24*z1)/(s12*s123*s234*z34) + 
   (4*s14*s24*z1)/(s12*s124*s234*z34) - (8*s23*s24*z1)/(s12*s123*s234*z34) + 
   (8*s23*s24*z1)/(s12*s124*s234*z34) - (4*s24^2*z1)/(s12*s123*s234*z34) + 
   (4*s24^2*z1)/(s12*s124*s234*z34) + (4*s34*z1)/(s123*s134*z34) - 
   (4*s34*z1)/(s124*s134*z34) + (8*s13*s34*z1)/(s12*s123*s134*z34) - 
   (8*s13*s34*z1)/(s12*s124*s134*z34) + (8*s14*s34*z1)/(s12*s123*s134*z34) - 
   (8*s14*s34*z1)/(s12*s124*s134*z34) + (4*s23*s34*z1)/(s12*s123*s134*z34) - 
   (4*s23*s34*z1)/(s12*s124*s134*z34) - (4*s34*z1)/(s123*s234*z34) + 
   (4*s34*z1)/(s124*s234*z34) - (4*s13*s34*z1)/(s12*s123*s234*z34) + 
   (4*s13*s34*z1)/(s12*s124*s234*z34) - (4*s14*s34*z1)/(s12*s123*s234*z34) + 
   (4*s14*s34*z1)/(s12*s124*s234*z34) - (8*s23*s34*z1)/(s12*s123*s234*z34) + 
   (8*s23*s34*z1)/(s12*s124*s234*z34) + (4*s24*s34*z1)/(s12*s123*s134*z34) - 
   (4*s24*s34*z1)/(s12*s124*s134*z34) - (8*s24*s34*z1)/(s12*s123*s234*z34) + 
   (8*s24*s34*z1)/(s12*s124*s234*z34) + (4*s34^2*z1)/(s12*s123*s134*z34) - 
   (4*s34^2*z1)/(s12*s124*s134*z34) - (4*s34^2*z1)/(s12*s123*s234*z34) + 
   (4*s34^2*z1)/(s12*s124*s234*z34) - (4*s14*z3)/(s123*s134*z34) + 
   (4*s14*z3)/(s124*s134*z34) - (8*s13*s14*z3)/(s12*s123*s134*z34) + 
   (8*s13*s14*z3)/(s12*s124*s134*z34) - (8*s14^2*z3)/(s12*s123*s134*z34) + 
   (8*s14^2*z3)/(s12*s124*s134*z34) - (4*s14*s23*z3)/(s12*s123*s134*z34) + 
   (4*s14*s23*z3)/(s12*s124*s134*z34) + (4*s14*z3)/(s123*s234*z34) - 
   (4*s14*z3)/(s124*s234*z34) + (4*s13*s14*z3)/(s12*s123*s234*z34) - 
   (4*s13*s14*z3)/(s12*s124*s234*z34) + (4*s14^2*z3)/(s12*s123*s234*z34) - 
   (4*s14^2*z3)/(s12*s124*s234*z34) + (8*s14*s23*z3)/(s12*s123*s234*z34) - 
   (8*s14*s23*z3)/(s12*s124*s234*z34) - (4*s14*s24*z3)/(s12*s123*s134*z34) + 
   (4*s14*s24*z3)/(s12*s124*s134*z34) + (8*s14*s24*z3)/(s12*s123*s234*z34) - 
   (8*s14*s24*z3)/(s12*s124*s234*z34) - (4*s13*s14*z3)/(s123*s134*s34*z34) + 
   (4*s13*s14*z3)/(s124*s134*s34*z34) - (4*s13^2*s14*z3)/
    (s12*s123*s134*s34*z34) + (4*s13^2*s14*z3)/(s12*s124*s134*s34*z34) - 
   (4*s14^2*z3)/(s123*s134*s34*z34) + (4*s14^2*z3)/(s124*s134*s34*z34) - 
   (8*s13*s14^2*z3)/(s12*s123*s134*s34*z34) + 
   (8*s13*s14^2*z3)/(s12*s124*s134*s34*z34) - 
   (4*s14^3*z3)/(s12*s123*s134*s34*z34) + 
   (4*s14^3*z3)/(s12*s124*s134*s34*z34) - (4*s13*s14*s23*z3)/
    (s12*s123*s134*s34*z34) + (4*s13*s14*s23*z3)/(s12*s124*s134*s34*z34) - 
   (4*s14^2*s23*z3)/(s12*s123*s134*s34*z34) + 
   (4*s14^2*s23*z3)/(s12*s124*s134*s34*z34) + 
   (4*s14*s23*z3)/(s123*s234*s34*z34) - (4*s14*s23*z3)/(s124*s234*s34*z34) + 
   (4*s13*s14*s23*z3)/(s12*s123*s234*s34*z34) - 
   (4*s13*s14*s23*z3)/(s12*s124*s234*s34*z34) + 
   (4*s14^2*s23*z3)/(s12*s123*s234*s34*z34) - 
   (4*s14^2*s23*z3)/(s12*s124*s234*s34*z34) + 
   (4*s14*s23^2*z3)/(s12*s123*s234*s34*z34) - 
   (4*s14*s23^2*z3)/(s12*s124*s234*s34*z34) - (4*s13*s14*s24*z3)/
    (s12*s123*s134*s34*z34) + (4*s13*s14*s24*z3)/(s12*s124*s134*s34*z34) - 
   (4*s14^2*s24*z3)/(s12*s123*s134*s34*z34) + 
   (4*s14^2*s24*z3)/(s12*s124*s134*s34*z34) + 
   (4*s14*s24*z3)/(s123*s234*s34*z34) - (4*s14*s24*z3)/(s124*s234*s34*z34) + 
   (4*s13*s14*s24*z3)/(s12*s123*s234*s34*z34) - 
   (4*s13*s14*s24*z3)/(s12*s124*s234*s34*z34) + 
   (4*s14^2*s24*z3)/(s12*s123*s234*s34*z34) - 
   (4*s14^2*s24*z3)/(s12*s124*s234*s34*z34) + (8*s14*s23*s24*z3)/
    (s12*s123*s234*s34*z34) - (8*s14*s23*s24*z3)/(s12*s124*s234*s34*z34) + 
   (4*s14*s24^2*z3)/(s12*s123*s234*s34*z34) - 
   (4*s14*s24^2*z3)/(s12*s124*s234*s34*z34) - 
   (4*s14*s34*z3)/(s12*s123*s134*z34) + (4*s14*s34*z3)/(s12*s124*s134*z34) + 
   (4*s14*s34*z3)/(s12*s123*s234*z34) - (4*s14*s34*z3)/(s12*s124*s234*z34) - 
   (4*s13*z4)/(s123*s134*z34) + (4*s13*z4)/(s124*s134*z34) - 
   (8*s13^2*z4)/(s12*s123*s134*z34) + (8*s13^2*z4)/(s12*s124*s134*z34) - 
   (8*s13*s14*z4)/(s12*s123*s134*z34) + (8*s13*s14*z4)/(s12*s124*s134*z34) - 
   (4*s13*s23*z4)/(s12*s123*s134*z34) + (4*s13*s23*z4)/(s12*s124*s134*z34) + 
   (4*s13*z4)/(s123*s234*z34) - (4*s13*z4)/(s124*s234*z34) + 
   (4*s13^2*z4)/(s12*s123*s234*z34) - (4*s13^2*z4)/(s12*s124*s234*z34) + 
   (4*s13*s14*z4)/(s12*s123*s234*z34) - (4*s13*s14*z4)/(s12*s124*s234*z34) + 
   (8*s13*s23*z4)/(s12*s123*s234*z34) - (8*s13*s23*z4)/(s12*s124*s234*z34) - 
   (4*s13*s24*z4)/(s12*s123*s134*z34) + (4*s13*s24*z4)/(s12*s124*s134*z34) + 
   (8*s13*s24*z4)/(s12*s123*s234*z34) - (8*s13*s24*z4)/(s12*s124*s234*z34) - 
   (4*s13^2*z4)/(s123*s134*s34*z34) + (4*s13^2*z4)/(s124*s134*s34*z34) - 
   (4*s13^3*z4)/(s12*s123*s134*s34*z34) + 
   (4*s13^3*z4)/(s12*s124*s134*s34*z34) - (4*s13*s14*z4)/
    (s123*s134*s34*z34) + (4*s13*s14*z4)/(s124*s134*s34*z34) - 
   (8*s13^2*s14*z4)/(s12*s123*s134*s34*z34) + 
   (8*s13^2*s14*z4)/(s12*s124*s134*s34*z34) - 
   (4*s13*s14^2*z4)/(s12*s123*s134*s34*z34) + 
   (4*s13*s14^2*z4)/(s12*s124*s134*s34*z34) - 
   (4*s13^2*s23*z4)/(s12*s123*s134*s34*z34) + 
   (4*s13^2*s23*z4)/(s12*s124*s134*s34*z34) - (4*s13*s14*s23*z4)/
    (s12*s123*s134*s34*z34) + (4*s13*s14*s23*z4)/(s12*s124*s134*s34*z34) + 
   (4*s13*s23*z4)/(s123*s234*s34*z34) - (4*s13*s23*z4)/(s124*s234*s34*z34) + 
   (4*s13^2*s23*z4)/(s12*s123*s234*s34*z34) - 
   (4*s13^2*s23*z4)/(s12*s124*s234*s34*z34) + (4*s13*s14*s23*z4)/
    (s12*s123*s234*s34*z34) - (4*s13*s14*s23*z4)/(s12*s124*s234*s34*z34) + 
   (4*s13*s23^2*z4)/(s12*s123*s234*s34*z34) - 
   (4*s13*s23^2*z4)/(s12*s124*s234*s34*z34) - 
   (4*s13^2*s24*z4)/(s12*s123*s134*s34*z34) + 
   (4*s13^2*s24*z4)/(s12*s124*s134*s34*z34) - (4*s13*s14*s24*z4)/
    (s12*s123*s134*s34*z34) + (4*s13*s14*s24*z4)/(s12*s124*s134*s34*z34) + 
   (4*s13*s24*z4)/(s123*s234*s34*z34) - (4*s13*s24*z4)/(s124*s234*s34*z34) + 
   (4*s13^2*s24*z4)/(s12*s123*s234*s34*z34) - 
   (4*s13^2*s24*z4)/(s12*s124*s234*s34*z34) + (4*s13*s14*s24*z4)/
    (s12*s123*s234*s34*z34) - (4*s13*s14*s24*z4)/(s12*s124*s234*s34*z34) + 
   (8*s13*s23*s24*z4)/(s12*s123*s234*s34*z34) - 
   (8*s13*s23*s24*z4)/(s12*s124*s234*s34*z34) + 
   (4*s13*s24^2*z4)/(s12*s123*s234*s34*z34) - 
   (4*s13*s24^2*z4)/(s12*s124*s234*s34*z34) - 
   (4*s13*s34*z4)/(s12*s123*s134*z34) + (4*s13*s34*z4)/(s12*s124*s134*z34) + 
   (4*s13*s34*z4)/(s12*s123*s234*z34) - (4*s13*s34*z4)/(s12*s124*s234*z34)) + 
 gg*((-2*s12^2)/s134^2 + (D*s12^2)/(2*s134^2) - (3*s12*s13)/s134^2 + 
   (D*s12*s13)/(2*s134^2) - (2*s12^2)/(s123*s134) + (2*s12^2)/(s124*s134) + 
   (2*s12*s13)/(s124*s134) + (2*s13^2)/(s123*s134) + (s13*s14)/s123^2 - 
   (D*s13*s14)/(2*s123^2) + (s13*s14)/s124^2 - (D*s13*s14)/(2*s124^2) + 
   (4*s13*s14)/(s123*s124) - (D*s13*s14)/(s123*s124) + 
   (s13^2*s14)/(s12*s123^2) - (D*s13^2*s14)/(2*s12*s123^2) + 
   (s13^2*s14)/(s12*s124^2) - (D*s13^2*s14)/(2*s12*s124^2) + 
   (4*s13^2*s14)/(s12*s123*s124) - (D*s13^2*s14)/(s12*s123*s124) - 
   (3*s12*s14)/s134^2 + (D*s12*s14)/(2*s134^2) - (2*s12*s14)/(s123*s134) + 
   (6*s13*s14)/(s123*s134) - (6*s13*s14)/(s124*s134) + 
   (s13*s14^2)/(s12*s123^2) - (D*s13*s14^2)/(2*s12*s123^2) + 
   (s13*s14^2)/(s12*s124^2) - (D*s13*s14^2)/(2*s12*s124^2) + 
   (4*s13*s14^2)/(s12*s123*s124) - (D*s13*s14^2)/(s12*s123*s124) - 
   (2*s14^2)/(s124*s134) - (2*s12*s23)/s134^2 + (D*s12*s23)/(2*s134^2) + 
   (s13*s23)/s134^2 - (D*s13*s23)/(2*s134^2) - (2*s12*s23)/(s123*s134) + 
   (4*s12*s23)/(s124*s134) + (6*s13*s23)/(s123*s134) + 
   (2*s13*s23)/(s124*s134) + (4*s13^2*s23)/(s12*s123*s134) + 
   (2*s14*s23)/s123^2 - (D*s14*s23)/(2*s123^2) + (2*s14*s23)/s124^2 - 
   (D*s14*s23)/(2*s124^2) + (6*s14*s23)/(s123*s124) - 
   (D*s14*s23)/(s123*s124) + (2*s13*s14*s23)/(s12*s123^2) - 
   (D*s13*s14*s23)/(s12*s123^2) + (3*s13*s14*s23)/(s12*s124^2) - 
   (D*s13*s14*s23)/(s12*s124^2) + (9*s13*s14*s23)/(s12*s123*s124) - 
   (2*D*s13*s14*s23)/(s12*s123*s124) - (s13^2*s14*s23)/(s12^2*s123^2) - 
   (s13^2*s14*s23)/(s12^2*s123*s124) + (2*s14*s23)/s134^2 - 
   (D*s14*s23)/(2*s134^2) + (4*s14*s23)/(s123*s134) - 
   (4*s14*s23)/(s124*s134) + (8*s13*s14*s23)/(s12*s123*s134) - 
   (2*s13*s14*s23)/(s12*s124*s134) + (2*s14^2*s23)/(s12*s123^2) - 
   (D*s14^2*s23)/(2*s12*s123^2) + (3*s14^2*s23)/(s12*s124^2) - 
   (D*s14^2*s23)/(2*s12*s124^2) + (7*s14^2*s23)/(s12*s123*s124) - 
   (D*s14^2*s23)/(s12*s123*s124) - (s13*s14^2*s23)/(s12^2*s123^2) + 
   (s13*s14^2*s23)/(s12^2*s124^2) + (2*s14^2*s23)/(s12*s123*s134) + 
   (s14^3*s23)/(s12^2*s124^2) + (s14^3*s23)/(s12^2*s123*s124) + 
   (2*s23^2)/(s124*s134) + (4*s13*s23^2)/(s12*s123*s134) + 
   (3*s14*s23^2)/(s12*s123^2) - (D*s14*s23^2)/(2*s12*s123^2) + 
   (2*s14*s23^2)/(s12*s124^2) - (D*s14*s23^2)/(2*s12*s124^2) + 
   (7*s14*s23^2)/(s12*s123*s124) - (D*s14*s23^2)/(s12*s123*s124) + 
   (2*s14*s23^2)/(s12*s123*s134) - (4*s14*s23^2)/(s12*s124*s134) + 
   (s14^2*s23^2)/(s12^2*s123^2) + (s14^2*s23^2)/(s12^2*s124^2) + 
   (2*s14^2*s23^2)/(s12^2*s123*s124) + (s14*s23^3)/(s12^2*s123^2) + 
   (s14*s23^3)/(s12^2*s123*s124) - (2*s12^2)/s234^2 + (D*s12^2)/(2*s234^2) - 
   (2*s12*s13)/s234^2 + (D*s12*s13)/(2*s234^2) - (2*s12*s14)/s234^2 + 
   (D*s12*s14)/(2*s234^2) - (3*s12*s23)/s234^2 + (D*s12*s23)/(2*s234^2) + 
   (s13*s23)/s234^2 - (D*s13*s23)/(2*s234^2) + (2*s14*s23)/s234^2 - 
   (D*s14*s23)/(2*s234^2) + (2*s12^2)/(s123*s234) - (2*s12^2)/(s124*s234) + 
   (2*s12*s13)/(s123*s234) - (4*s12*s13)/(s124*s234) - 
   (2*s13^2)/(s124*s234) - (8*s12^2)/(s134*s234) + (D*s12^2)/(s134*s234) - 
   (7*s12*s13)/(s134*s234) + (D*s12*s13)/(s134*s234) + 
   (4*s12*s14)/(s123*s234) - (2*s12*s14)/(s124*s234) + 
   (2*s13*s14)/(s123*s234) - (2*s13*s14)/(s124*s234) - 
   (7*s12*s14)/(s134*s234) + (D*s12*s14)/(s134*s234) + 
   (2*s14^2)/(s123*s234) - (2*s12*s23)/(s124*s234) - 
   (6*s13*s23)/(s123*s234) - (2*s13*s23)/(s124*s234) - 
   (4*s13^2*s23)/(s12*s123*s234) - (7*s12*s23)/(s134*s234) + 
   (D*s12*s23)/(s134*s234) + (4*s13*s23)/(s134*s234) - 
   (D*s13*s23)/(s134*s234) - (4*s14*s23)/(s123*s234) + 
   (4*s14*s23)/(s124*s234) - (6*s13*s14*s23)/(s12*s123*s234) + 
   (6*s14*s23)/(s134*s234) - (D*s14*s23)/(s134*s234) - 
   (4*s14^2*s23)/(s12*s123*s234) + (2*s14^2*s23)/(s12*s124*s234) - 
   (2*s23^2)/(s123*s234) - (4*s13*s23^2)/(s12*s123*s234) + 
   (2*s14*s23^2)/(s12*s124*s234) + (2*s13*s24)/s123^2 - 
   (D*s13*s24)/(2*s123^2) + (2*s13*s24)/s124^2 - (D*s13*s24)/(2*s124^2) + 
   (6*s13*s24)/(s123*s124) - (D*s13*s24)/(s123*s124) + 
   (3*s13^2*s24)/(s12*s123^2) - (D*s13^2*s24)/(2*s12*s123^2) + 
   (2*s13^2*s24)/(s12*s124^2) - (D*s13^2*s24)/(2*s12*s124^2) + 
   (7*s13^2*s24)/(s12*s123*s124) - (D*s13^2*s24)/(s12*s123*s124) + 
   (s13^3*s24)/(s12^2*s123^2) + (s13^3*s24)/(s12^2*s123*s124) - 
   (2*s12*s24)/s134^2 + (D*s12*s24)/(2*s134^2) + (2*s13*s24)/s134^2 - 
   (D*s13*s24)/(2*s134^2) - (4*s12*s24)/(s123*s134) + 
   (2*s12*s24)/(s124*s134) + (4*s13*s24)/(s123*s134) - 
   (4*s13*s24)/(s124*s134) - (2*s13^2*s24)/(s12*s124*s134) + 
   (3*s13*s14*s24)/(s12*s123^2) - (D*s13*s14*s24)/(s12*s123^2) + 
   (2*s13*s14*s24)/(s12*s124^2) - (D*s13*s14*s24)/(s12*s124^2) + 
   (9*s13*s14*s24)/(s12*s123*s124) - (2*D*s13*s14*s24)/(s12*s123*s124) + 
   (s13^2*s14*s24)/(s12^2*s123^2) - (s13^2*s14*s24)/(s12^2*s124^2) + 
   (s14*s24)/s134^2 - (D*s14*s24)/(2*s134^2) - (2*s14*s24)/(s123*s134) - 
   (6*s14*s24)/(s124*s134) + (2*s13*s14*s24)/(s12*s123*s134) - 
   (8*s13*s14*s24)/(s12*s124*s134) - (s13*s14^2*s24)/(s12^2*s124^2) - 
   (s13*s14^2*s24)/(s12^2*s123*s124) - (4*s14^2*s24)/(s12*s124*s134) + 
   (s23*s24)/s123^2 - (D*s23*s24)/(2*s123^2) + (s23*s24)/s124^2 - 
   (D*s23*s24)/(2*s124^2) + (4*s23*s24)/(s123*s124) - 
   (D*s23*s24)/(s123*s124) + (2*s13*s23*s24)/(s12*s123^2) - 
   (D*s13*s23*s24)/(s12*s123^2) + (3*s13*s23*s24)/(s12*s124^2) - 
   (D*s13*s23*s24)/(s12*s124^2) + (9*s13*s23*s24)/(s12*s123*s124) - 
   (2*D*s13*s23*s24)/(s12*s123*s124) - (2*s23*s24)/(s123*s134) + 
   (2*s23*s24)/(s124*s134) + (6*s13*s23*s24)/(s12*s123*s134) + 
   (3*s14*s23*s24)/(s12*s123^2) - (D*s14*s23*s24)/(s12*s123^2) + 
   (2*s14*s23*s24)/(s12*s124^2) - (D*s14*s23*s24)/(s12*s124^2) + 
   (9*s14*s23*s24)/(s12*s123*s124) - (2*D*s14*s23*s24)/(s12*s123*s124) - 
   (2*s13*s14*s23*s24)/(s12^2*s123^2) - (2*s13*s14*s23*s24)/(s12^2*s124^2) - 
   (4*s13*s14*s23*s24)/(s12^2*s123*s124) - (6*s14*s23*s24)/(s12*s124*s134) + 
   (s23^2*s24)/(s12*s123^2) - (D*s23^2*s24)/(2*s12*s123^2) + 
   (s23^2*s24)/(s12*s124^2) - (D*s23^2*s24)/(2*s12*s124^2) + 
   (4*s23^2*s24)/(s12*s123*s124) - (D*s23^2*s24)/(s12*s123*s124) - 
   (s13*s23^2*s24)/(s12^2*s123^2) - (s13*s23^2*s24)/(s12^2*s123*s124) + 
   (s14*s23^2*s24)/(s12^2*s123^2) - (s14*s23^2*s24)/(s12^2*s124^2) - 
   (3*s12*s24)/s234^2 + (D*s12*s24)/(2*s234^2) + (2*s13*s24)/s234^2 - 
   (D*s13*s24)/(2*s234^2) + (s14*s24)/s234^2 - (D*s14*s24)/(2*s234^2) + 
   (2*s12*s24)/(s123*s234) - (4*s13*s24)/(s123*s234) + 
   (4*s13*s24)/(s124*s234) - (2*s13^2*s24)/(s12*s123*s234) + 
   (4*s13^2*s24)/(s12*s124*s234) - (7*s12*s24)/(s134*s234) + 
   (D*s12*s24)/(s134*s234) + (6*s13*s24)/(s134*s234) - 
   (D*s13*s24)/(s134*s234) + (2*s14*s24)/(s123*s234) + 
   (6*s14*s24)/(s124*s234) + (6*s13*s14*s24)/(s12*s124*s234) + 
   (4*s14*s24)/(s134*s234) - (D*s14*s24)/(s134*s234) + 
   (4*s14^2*s24)/(s12*s124*s234) - (6*s23*s24)/(s123*s234) + 
   (6*s23*s24)/(s124*s234) - (8*s13*s23*s24)/(s12*s123*s234) + 
   (2*s13*s23*s24)/(s12*s124*s234) - (2*s14*s23*s24)/(s12*s123*s234) + 
   (8*s14*s23*s24)/(s12*s124*s234) + (2*s13*s24^2)/(s12*s123^2) - 
   (D*s13*s24^2)/(2*s12*s123^2) + (3*s13*s24^2)/(s12*s124^2) - 
   (D*s13*s24^2)/(2*s12*s124^2) + (7*s13*s24^2)/(s12*s123*s124) - 
   (D*s13*s24^2)/(s12*s123*s124) + (s13^2*s24^2)/(s12^2*s123^2) + 
   (s13^2*s24^2)/(s12^2*s124^2) + (2*s13^2*s24^2)/(s12^2*s123*s124) - 
   (2*s24^2)/(s123*s134) + (4*s13*s24^2)/(s12*s123*s134) - 
   (2*s13*s24^2)/(s12*s124*s134) - (4*s14*s24^2)/(s12*s124*s134) + 
   (s23*s24^2)/(s12*s123^2) - (D*s23*s24^2)/(2*s12*s123^2) + 
   (s23*s24^2)/(s12*s124^2) - (D*s23*s24^2)/(2*s12*s124^2) + 
   (4*s23*s24^2)/(s12*s123*s124) - (D*s23*s24^2)/(s12*s123*s124) - 
   (s13*s23*s24^2)/(s12^2*s123^2) + (s13*s23*s24^2)/(s12^2*s124^2) - 
   (s14*s23*s24^2)/(s12^2*s124^2) - (s14*s23*s24^2)/(s12^2*s123*s124) + 
   (2*s24^2)/(s124*s234) - (2*s13*s24^2)/(s12*s123*s234) + 
   (4*s14*s24^2)/(s12*s124*s234) + (s13*s24^3)/(s12^2*s124^2) + 
   (s13*s24^3)/(s12^2*s123*s124) - (2*s12^2*s13*s14)/(s134^2*s34^2) - 
   (2*s12*s13^2*s14)/(s134^2*s34^2) - (2*s12*s13*s14^2)/(s134^2*s34^2) - 
   (3*s12*s13*s14*s23)/(s134^2*s34^2) - (s13^2*s14*s23)/(s134^2*s34^2) + 
   (s12*s14^2*s23)/(s134^2*s34^2) + (s14^3*s23)/(s134^2*s34^2) - 
   (s13*s14*s23^2)/(s134^2*s34^2) + (s14^2*s23^2)/(s134^2*s34^2) + 
   (s12*s14*s23^2)/(s234^2*s34^2) + (s13*s14*s23^2)/(s234^2*s34^2) + 
   (s14^2*s23^2)/(s234^2*s34^2) + (s14*s23^3)/(s234^2*s34^2) + 
   (2*s12^2*s14*s23)/(s134*s234*s34^2) + (s12*s13*s14*s23)/
    (s134*s234*s34^2) - (s13^2*s14*s23)/(s134*s234*s34^2) + 
   (3*s12*s14^2*s23)/(s134*s234*s34^2) + (s14^3*s23)/(s134*s234*s34^2) + 
   (3*s12*s14*s23^2)/(s134*s234*s34^2) + (2*s14^2*s23^2)/(s134*s234*s34^2) + 
   (s14*s23^3)/(s134*s234*s34^2) + (s12*s13^2*s24)/(s134^2*s34^2) + 
   (s13^3*s24)/(s134^2*s34^2) - (3*s12*s13*s14*s24)/(s134^2*s34^2) - 
   (s13*s14^2*s24)/(s134^2*s34^2) + (s13^2*s23*s24)/(s134^2*s34^2) - 
   (2*s13*s14*s23*s24)/(s134^2*s34^2) + (s14^2*s23*s24)/(s134^2*s34^2) - 
   (2*s12^2*s23*s24)/(s234^2*s34^2) - (3*s12*s13*s23*s24)/(s234^2*s34^2) - 
   (s13^2*s23*s24)/(s234^2*s34^2) - (3*s12*s14*s23*s24)/(s234^2*s34^2) - 
   (2*s13*s14*s23*s24)/(s234^2*s34^2) - (s14^2*s23*s24)/(s234^2*s34^2) - 
   (2*s12*s23^2*s24)/(s234^2*s34^2) - (s13*s23^2*s24)/(s234^2*s34^2) + 
   (2*s12^2*s13*s24)/(s134*s234*s34^2) + (3*s12*s13^2*s24)/
    (s134*s234*s34^2) + (s13^3*s24)/(s134*s234*s34^2) + 
   (s12*s13*s14*s24)/(s134*s234*s34^2) - (s13*s14^2*s24)/(s134*s234*s34^2) + 
   (s12*s13*s23*s24)/(s134*s234*s34^2) + (s12*s14*s23*s24)/
    (s134*s234*s34^2) - (4*s13*s14*s23*s24)/(s134*s234*s34^2) - 
   (s13*s23^2*s24)/(s134*s234*s34^2) + (s13^2*s24^2)/(s134^2*s34^2) - 
   (s13*s14*s24^2)/(s134^2*s34^2) + (s12*s13*s24^2)/(s234^2*s34^2) + 
   (s13^2*s24^2)/(s234^2*s34^2) + (s13*s14*s24^2)/(s234^2*s34^2) - 
   (2*s12*s23*s24^2)/(s234^2*s34^2) - (s14*s23*s24^2)/(s234^2*s34^2) + 
   (3*s12*s13*s24^2)/(s134*s234*s34^2) + (2*s13^2*s24^2)/(s134*s234*s34^2) - 
   (s14*s23*s24^2)/(s134*s234*s34^2) + (s13*s24^3)/(s234^2*s34^2) + 
   (s13*s24^3)/(s134*s234*s34^2) - (s12^2*s13)/(s134^2*s34) - 
   (s12*s13^2)/(s134^2*s34) - (s12^2*s14)/(s134^2*s34) - 
   (4*s12*s13*s14)/(s134^2*s34) + (4*s12*s13*s14)/(s123*s134*s34) - 
   (4*s12*s13*s14)/(s124*s134*s34) + (4*s13^2*s14)/(s123*s134*s34) - 
   (4*s13^2*s14)/(s124*s134*s34) - (s12*s14^2)/(s134^2*s34) + 
   (4*s13*s14^2)/(s123*s134*s34) - (4*s13*s14^2)/(s124*s134*s34) - 
   (D*s12*s13*s23)/(2*s134^2*s34) + (s13^2*s23)/(s134^2*s34) - 
   (D*s13^2*s23)/(2*s134^2*s34) + (s12*s14*s23)/(s134^2*s34) - 
   (D*s12*s14*s23)/(2*s134^2*s34) + (2*s13*s14*s23)/(s134^2*s34) - 
   (D*s13*s14*s23)/(s134^2*s34) + (2*s12*s14*s23)/(s123*s134*s34) - 
   (2*s12*s14*s23)/(s124*s134*s34) + (8*s13*s14*s23)/(s123*s134*s34) - 
   (6*s13*s14*s23)/(s124*s134*s34) + (2*s13^2*s14*s23)/(s12*s123*s134*s34) + 
   (3*s14^2*s23)/(s134^2*s34) - (D*s14^2*s23)/(2*s134^2*s34) + 
   (2*s14^2*s23)/(s123*s134*s34) + (2*s13*s14^2*s23)/(s12*s123*s134*s34) + 
   (2*s13*s14^2*s23)/(s12*s124*s134*s34) + 
   (2*s14^3*s23)/(s12*s124*s134*s34) + (s13*s23^2)/(s134^2*s34) - 
   (D*s13*s23^2)/(2*s134^2*s34) + (2*s14*s23^2)/(s134^2*s34) - 
   (D*s14*s23^2)/(2*s134^2*s34) + (2*s14*s23^2)/(s123*s134*s34) - 
   (4*s14*s23^2)/(s124*s134*s34) + (2*s13*s14*s23^2)/(s12*s123*s134*s34) - 
   (2*s13*s14*s23^2)/(s12*s124*s134*s34) - 
   (2*s14*s23^3)/(s12*s124*s134*s34) - (s12^2*s23)/(s234^2*s34) - 
   (D*s12*s13*s23)/(2*s234^2*s34) + (s13^2*s23)/(s234^2*s34) - 
   (D*s13^2*s23)/(2*s234^2*s34) + (s12*s14*s23)/(s234^2*s34) - 
   (D*s12*s14*s23)/(2*s234^2*s34) + (3*s13*s14*s23)/(s234^2*s34) - 
   (D*s13*s14*s23)/(s234^2*s34) + (2*s14^2*s23)/(s234^2*s34) - 
   (D*s14^2*s23)/(2*s234^2*s34) - (s12*s23^2)/(s234^2*s34) + 
   (s13*s23^2)/(s234^2*s34) - (D*s13*s23^2)/(2*s234^2*s34) + 
   (3*s14*s23^2)/(s234^2*s34) - (D*s14*s23^2)/(2*s234^2*s34) - 
   (2*s12^3)/(s134*s234*s34) - (3*s12^2*s13)/(s134*s234*s34) - 
   (s12*s13^2)/(s134*s234*s34) - (3*s12^2*s14)/(s134*s234*s34) - 
   (2*s12*s13*s14)/(s134*s234*s34) - (s12*s14^2)/(s134*s234*s34) - 
   (3*s12^2*s23)/(s134*s234*s34) + (2*s12*s13*s23)/(s134*s234*s34) - 
   (D*s12*s13*s23)/(s134*s234*s34) + (4*s13^2*s23)/(s134*s234*s34) - 
   (D*s13^2*s23)/(s134*s234*s34) - (2*s12*s14*s23)/(s123*s234*s34) + 
   (2*s12*s14*s23)/(s124*s234*s34) - (2*s13*s14*s23)/(s123*s234*s34) - 
   (2*s13^2*s14*s23)/(s12*s124*s234*s34) + (6*s12*s14*s23)/(s134*s234*s34) - 
   (D*s12*s14*s23)/(s134*s234*s34) + (9*s13*s14*s23)/(s134*s234*s34) - 
   (2*D*s13*s14*s23)/(s134*s234*s34) - (4*s14^2*s23)/(s123*s234*s34) + 
   (2*s14^2*s23)/(s124*s234*s34) - (2*s13*s14^2*s23)/(s12*s123*s234*s34) - 
   (2*s13*s14^2*s23)/(s12*s124*s234*s34) + (7*s14^2*s23)/(s134*s234*s34) - 
   (D*s14^2*s23)/(s134*s234*s34) - (2*s14^3*s23)/(s12*s123*s234*s34) - 
   (s12*s23^2)/(s134*s234*s34) + (4*s13*s23^2)/(s134*s234*s34) - 
   (D*s13*s23^2)/(s134*s234*s34) + (2*s14*s23^2)/(s124*s234*s34) + 
   (2*s13*s14*s23^2)/(s12*s123*s234*s34) - (2*s13*s14*s23^2)/
    (s12*s124*s234*s34) + (7*s14*s23^2)/(s134*s234*s34) - 
   (D*s14*s23^2)/(s134*s234*s34) + (2*s14*s23^3)/(s12*s123*s234*s34) + 
   (s12*s13*s24)/(s134^2*s34) - (D*s12*s13*s24)/(2*s134^2*s34) + 
   (3*s13^2*s24)/(s134^2*s34) - (D*s13^2*s24)/(2*s134^2*s34) + 
   (2*s12*s13*s24)/(s123*s134*s34) - (2*s12*s13*s24)/(s124*s134*s34) - 
   (2*s13^2*s24)/(s124*s134*s34) - (2*s13^3*s24)/(s12*s123*s134*s34) - 
   (D*s12*s14*s24)/(2*s134^2*s34) + (2*s13*s14*s24)/(s134^2*s34) - 
   (D*s13*s14*s24)/(s134^2*s34) + (6*s13*s14*s24)/(s123*s134*s34) - 
   (8*s13*s14*s24)/(s124*s134*s34) - (2*s13^2*s14*s24)/(s12*s123*s134*s34) - 
   (2*s13^2*s14*s24)/(s12*s124*s134*s34) + (s14^2*s24)/(s134^2*s34) - 
   (D*s14^2*s24)/(2*s134^2*s34) - (2*s13*s14^2*s24)/(s12*s124*s134*s34) + 
   (3*s13*s23*s24)/(s134^2*s34) - (D*s13*s23*s24)/(s134^2*s34) + 
   (2*s13*s23*s24)/(s123*s134*s34) - (2*s13^2*s23*s24)/(s12*s123*s134*s34) + 
   (2*s13^2*s23*s24)/(s12*s124*s134*s34) + (3*s14*s23*s24)/(s134^2*s34) - 
   (D*s14*s23*s24)/(s134^2*s34) - (2*s14*s23*s24)/(s124*s134*s34) - 
   (2*s14^2*s23*s24)/(s12*s123*s134*s34) + (2*s14^2*s23*s24)/
    (s12*s124*s134*s34) + (2*s13*s23^2*s24)/(s12*s124*s134*s34) - 
   (2*s14*s23^2*s24)/(s12*s123*s134*s34) - (2*s14*s23^2*s24)/
    (s12*s124*s134*s34) - (s12^2*s24)/(s234^2*s34) + 
   (s12*s13*s24)/(s234^2*s34) - (D*s12*s13*s24)/(2*s234^2*s34) + 
   (2*s13^2*s24)/(s234^2*s34) - (D*s13^2*s24)/(2*s234^2*s34) - 
   (D*s12*s14*s24)/(2*s234^2*s34) + (3*s13*s14*s24)/(s234^2*s34) - 
   (D*s13*s14*s24)/(s234^2*s34) + (s14^2*s24)/(s234^2*s34) - 
   (D*s14^2*s24)/(2*s234^2*s34) - (4*s12*s23*s24)/(s234^2*s34) + 
   (2*s13*s23*s24)/(s234^2*s34) - (D*s13*s23*s24)/(s234^2*s34) + 
   (2*s14*s23*s24)/(s234^2*s34) - (D*s14*s23*s24)/(s234^2*s34) - 
   (2*s12*s13*s24)/(s123*s234*s34) + (2*s12*s13*s24)/(s124*s234*s34) - 
   (2*s13^2*s24)/(s123*s234*s34) + (4*s13^2*s24)/(s124*s234*s34) + 
   (2*s13^3*s24)/(s12*s124*s234*s34) - (3*s12^2*s24)/(s134*s234*s34) + 
   (6*s12*s13*s24)/(s134*s234*s34) - (D*s12*s13*s24)/(s134*s234*s34) + 
   (7*s13^2*s24)/(s134*s234*s34) - (D*s13^2*s24)/(s134*s234*s34) + 
   (2*s13*s14*s24)/(s124*s234*s34) + (2*s13^2*s14*s24)/(s12*s123*s234*s34) + 
   (2*s13^2*s14*s24)/(s12*s124*s234*s34) + (2*s12*s14*s24)/(s134*s234*s34) - 
   (D*s12*s14*s24)/(s134*s234*s34) + (9*s13*s14*s24)/(s134*s234*s34) - 
   (2*D*s13*s14*s24)/(s134*s234*s34) + (2*s13*s14^2*s24)/
    (s12*s123*s234*s34) + (4*s14^2*s24)/(s134*s234*s34) - 
   (D*s14^2*s24)/(s134*s234*s34) - (4*s12*s23*s24)/(s123*s234*s34) + 
   (4*s12*s23*s24)/(s124*s234*s34) - (8*s13*s23*s24)/(s123*s234*s34) + 
   (6*s13*s23*s24)/(s124*s234*s34) - (2*s13^2*s23*s24)/(s12*s123*s234*s34) + 
   (2*s13^2*s23*s24)/(s12*s124*s234*s34) - (2*s12*s23*s24)/(s134*s234*s34) + 
   (9*s13*s23*s24)/(s134*s234*s34) - (2*D*s13*s23*s24)/(s134*s234*s34) - 
   (6*s14*s23*s24)/(s123*s234*s34) + (8*s14*s23*s24)/(s124*s234*s34) + 
   (9*s14*s23*s24)/(s134*s234*s34) - (2*D*s14*s23*s24)/(s134*s234*s34) - 
   (2*s14^2*s23*s24)/(s12*s123*s234*s34) + (2*s14^2*s23*s24)/
    (s12*s124*s234*s34) - (4*s23^2*s24)/(s123*s234*s34) + 
   (4*s23^2*s24)/(s124*s234*s34) - (2*s13*s23^2*s24)/(s12*s123*s234*s34) + 
   (2*s14*s23^2*s24)/(s12*s123*s234*s34) + (2*s14*s23^2*s24)/
    (s12*s124*s234*s34) + (2*s13*s24^2)/(s134^2*s34) - 
   (D*s13*s24^2)/(2*s134^2*s34) + (4*s13*s24^2)/(s123*s134*s34) - 
   (2*s13*s24^2)/(s124*s134*s34) + (s14*s24^2)/(s134^2*s34) - 
   (D*s14*s24^2)/(2*s134^2*s34) + (2*s13*s14*s24^2)/(s12*s123*s134*s34) - 
   (2*s13*s14*s24^2)/(s12*s124*s134*s34) + (2*s13*s23*s24^2)/
    (s12*s123*s134*s34) + (2*s13*s23*s24^2)/(s12*s124*s134*s34) - 
   (2*s14*s23*s24^2)/(s12*s123*s134*s34) - (s12*s24^2)/(s234^2*s34) + 
   (3*s13*s24^2)/(s234^2*s34) - (D*s13*s24^2)/(2*s234^2*s34) + 
   (s14*s24^2)/(s234^2*s34) - (D*s14*s24^2)/(2*s234^2*s34) - 
   (2*s13*s24^2)/(s123*s234*s34) - (s12*s24^2)/(s134*s234*s34) + 
   (7*s13*s24^2)/(s134*s234*s34) - (D*s13*s24^2)/(s134*s234*s34) + 
   (2*s13*s14*s24^2)/(s12*s123*s234*s34) - (2*s13*s14*s24^2)/
    (s12*s124*s234*s34) + (4*s14*s24^2)/(s134*s234*s34) - 
   (D*s14*s24^2)/(s134*s234*s34) - (4*s23*s24^2)/(s123*s234*s34) + 
   (4*s23*s24^2)/(s124*s234*s34) - (2*s13*s23*s24^2)/(s12*s123*s234*s34) - 
   (2*s13*s23*s24^2)/(s12*s124*s234*s34) + (2*s14*s23*s24^2)/
    (s12*s124*s234*s34) + (2*s13*s24^3)/(s12*s123*s134*s34) - 
   (2*s13*s24^3)/(s12*s124*s234*s34) - (2*s12*s34)/s123^2 + 
   (D*s12*s34)/(2*s123^2) - (2*s12*s34)/s124^2 + (D*s12*s34)/(2*s124^2) - 
   (6*s12*s34)/(s123*s124) + (D*s12*s34)/(s123*s124) - (3*s13*s34)/s123^2 + 
   (D*s13*s34)/(2*s123^2) - (2*s13*s34)/s124^2 + (D*s13*s34)/(2*s124^2) - 
   (7*s13*s34)/(s123*s124) + (D*s13*s34)/(s123*s124) - 
   (s13^2*s34)/(s12*s123^2) - (s13^2*s34)/(s12*s123*s124) - 
   (2*s12*s34)/s134^2 + (D*s12*s34)/(2*s134^2) - (4*s12*s34)/(s123*s134) + 
   (4*s12*s34)/(s124*s134) + (2*s13*s34)/(s124*s134) - (2*s14*s34)/s123^2 + 
   (D*s14*s34)/(2*s123^2) - (3*s14*s34)/s124^2 + (D*s14*s34)/(2*s124^2) - 
   (7*s14*s34)/(s123*s124) + (D*s14*s34)/(s123*s124) - 
   (D*s13*s14*s34)/(2*s12*s123^2) - (D*s13*s14*s34)/(2*s12*s124^2) + 
   (2*s13*s14*s34)/(s12*s123*s124) - (D*s13*s14*s34)/(s12*s123*s124) - 
   (2*s14*s34)/(s123*s134) - (s14^2*s34)/(s12*s124^2) - 
   (s14^2*s34)/(s12*s123*s124) - (3*s23*s34)/s123^2 + 
   (D*s23*s34)/(2*s123^2) - (2*s23*s34)/s124^2 + (D*s23*s34)/(2*s124^2) - 
   (7*s23*s34)/(s123*s124) + (D*s23*s34)/(s123*s124) - 
   (4*s13*s23*s34)/(s12*s123^2) - (2*s13*s23*s34)/(s12*s123*s124) - 
   (2*s13^2*s23*s34)/(s12^2*s123^2) - (2*s23*s34)/(s123*s134) + 
   (4*s23*s34)/(s124*s134) + (4*s13*s23*s34)/(s12*s123*s134) + 
   (s14*s23*s34)/(s12*s123^2) - (D*s14*s23*s34)/(2*s12*s123^2) + 
   (s14*s23*s34)/(s12*s124^2) - (D*s14*s23*s34)/(2*s12*s124^2) + 
   (6*s14*s23*s34)/(s12*s123*s124) - (D*s14*s23*s34)/(s12*s123*s124) - 
   (3*s13*s14*s23*s34)/(s12^2*s123^2) + (s13*s14*s23*s34)/(s12^2*s123*s124) + 
   (2*s14*s23*s34)/(s12*s123*s134) - (2*s14*s23*s34)/(s12*s124*s134) + 
   (s14^2*s23*s34)/(s12^2*s124^2) + (3*s14^2*s23*s34)/(s12^2*s123*s124) - 
   (s23^2*s34)/(s12*s123^2) - (s23^2*s34)/(s12*s123*s124) - 
   (2*s13*s23^2*s34)/(s12^2*s123^2) + (s14*s23^2*s34)/(s12^2*s123^2) + 
   (3*s14*s23^2*s34)/(s12^2*s123*s124) - (2*s12*s34)/s234^2 + 
   (D*s12*s34)/(2*s234^2) + (4*s12*s34)/(s123*s234) - 
   (4*s12*s34)/(s124*s234) + (2*s13*s34)/(s123*s234) - 
   (4*s13*s34)/(s124*s234) - (6*s12*s34)/(s134*s234) + 
   (D*s12*s34)/(s134*s234) + (4*s14*s34)/(s123*s234) - 
   (2*s14*s34)/(s124*s234) - (2*s23*s34)/(s124*s234) - 
   (4*s13*s23*s34)/(s12*s123*s234) - (2*s14*s23*s34)/(s12*s123*s234) + 
   (2*s14*s23*s34)/(s12*s124*s234) - (2*s24*s34)/s123^2 + 
   (D*s24*s34)/(2*s123^2) - (3*s24*s34)/s124^2 + (D*s24*s34)/(2*s124^2) - 
   (7*s24*s34)/(s123*s124) + (D*s24*s34)/(s123*s124) + 
   (s13*s24*s34)/(s12*s123^2) - (D*s13*s24*s34)/(2*s12*s123^2) + 
   (s13*s24*s34)/(s12*s124^2) - (D*s13*s24*s34)/(2*s12*s124^2) + 
   (6*s13*s24*s34)/(s12*s123*s124) - (D*s13*s24*s34)/(s12*s123*s124) + 
   (s13^2*s24*s34)/(s12^2*s123^2) + (3*s13^2*s24*s34)/(s12^2*s123*s124) - 
   (4*s24*s34)/(s123*s134) + (2*s24*s34)/(s124*s134) + 
   (2*s13*s24*s34)/(s12*s123*s134) - (2*s13*s24*s34)/(s12*s124*s134) - 
   (4*s14*s24*s34)/(s12*s124^2) - (2*s14*s24*s34)/(s12*s123*s124) - 
   (3*s13*s14*s24*s34)/(s12^2*s124^2) + (s13*s14*s24*s34)/(s12^2*s123*s124) - 
   (4*s14*s24*s34)/(s12*s124*s134) - (2*s14^2*s24*s34)/(s12^2*s124^2) - 
   (D*s23*s24*s34)/(2*s12*s123^2) - (D*s23*s24*s34)/(2*s12*s124^2) + 
   (2*s23*s24*s34)/(s12*s123*s124) - (D*s23*s24*s34)/(s12*s123*s124) - 
   (3*s13*s23*s24*s34)/(s12^2*s123^2) + (s13*s23*s24*s34)/(s12^2*s123*s124) - 
   (3*s14*s23*s24*s34)/(s12^2*s124^2) + (s14*s23*s24*s34)/(s12^2*s123*s124) + 
   (2*s24*s34)/(s123*s234) - (2*s13*s24*s34)/(s12*s123*s234) + 
   (2*s13*s24*s34)/(s12*s124*s234) + (4*s14*s24*s34)/(s12*s124*s234) - 
   (s24^2*s34)/(s12*s124^2) - (s24^2*s34)/(s12*s123*s124) + 
   (s13*s24^2*s34)/(s12^2*s124^2) + (3*s13*s24^2*s34)/(s12^2*s123*s124) - 
   (2*s14*s24^2*s34)/(s12^2*s124^2) - (2*s34^2)/s123^2 + 
   (D*s34^2)/(2*s123^2) - (2*s34^2)/s124^2 + (D*s34^2)/(2*s124^2) - 
   (8*s34^2)/(s123*s124) + (D*s34^2)/(s123*s124) - (s13*s34^2)/(s12*s123^2) - 
   (3*s13*s34^2)/(s12*s123*s124) - (2*s34^2)/(s123*s134) + 
   (2*s34^2)/(s124*s134) - (s14*s34^2)/(s12*s124^2) - 
   (3*s14*s34^2)/(s12*s123*s124) - (s23*s34^2)/(s12*s123^2) - 
   (3*s23*s34^2)/(s12*s123*s124) - (2*s13*s23*s34^2)/(s12^2*s123^2) + 
   (2*s14*s23*s34^2)/(s12^2*s123*s124) + (2*s34^2)/(s123*s234) - 
   (2*s34^2)/(s124*s234) - (s24*s34^2)/(s12*s124^2) - 
   (3*s24*s34^2)/(s12*s123*s124) + (2*s13*s24*s34^2)/(s12^2*s123*s124) - 
   (2*s14*s24*s34^2)/(s12^2*s124^2) - (2*s34^3)/(s12*s123*s124) - 
   (2*s12*s23*z1)/(s123*s134*z12) + (2*s12*s23*z1)/(s124*s134*z12) - 
   (4*s13*s23*z1)/(s123*s134*z12) + (2*s13*s23*z1)/(s124*s134*z12) - 
   (2*s13^2*s23*z1)/(s12*s123*s134*z12) + (s14*s23*z1)/(s123^2*z12) - 
   (s14*s23*z1)/(s124^2*z12) + (2*s13*s14*s23*z1)/(s12*s123^2*z12) - 
   (s13*s14*s23*z1)/(s12*s124^2*z12) + (s13*s14*s23*z1)/(s12*s123*s124*z12) + 
   (s13^2*s14*s23*z1)/(s12^2*s123^2*z12) + (s13^2*s14*s23*z1)/
    (s12^2*s123*s124*z12) - (2*s14*s23*z1)/(s123*s134*z12) + 
   (4*s14*s23*z1)/(s124*s134*z12) - (2*s13*s14*s23*z1)/(s12*s123*s134*z12) + 
   (2*s13*s14*s23*z1)/(s12*s124*s134*z12) + (s14^2*s23*z1)/(s12*s123^2*z12) - 
   (2*s14^2*s23*z1)/(s12*s124^2*z12) - (s14^2*s23*z1)/(s12*s123*s124*z12) + 
   (s13*s14^2*s23*z1)/(s12^2*s123^2*z12) - (s13*s14^2*s23*z1)/
    (s12^2*s124^2*z12) + (2*s14^2*s23*z1)/(s12*s124*s134*z12) - 
   (s14^3*s23*z1)/(s12^2*s124^2*z12) - (s14^3*s23*z1)/(s12^2*s123*s124*z12) - 
   (4*s23^2*z1)/(s123*s134*z12) + (2*s23^2*z1)/(s124*s134*z12) - 
   (4*s13*s23^2*z1)/(s12*s123*s134*z12) + (2*s14*s23^2*z1)/(s12*s123^2*z12) - 
   (s14*s23^2*z1)/(s12*s124^2*z12) + (s14*s23^2*z1)/(s12*s123*s124*z12) + 
   (2*s13*s14*s23^2*z1)/(s12^2*s123^2*z12) + (2*s13*s14*s23^2*z1)/
    (s12^2*s123*s124*z12) - (2*s14*s23^2*z1)/(s12*s123*s134*z12) + 
   (2*s14*s23^2*z1)/(s12*s124*s134*z12) + (s14^2*s23^2*z1)/
    (s12^2*s123^2*z12) - (s14^2*s23^2*z1)/(s12^2*s124^2*z12) - 
   (2*s23^3*z1)/(s12*s123*s134*z12) + (s14*s23^3*z1)/(s12^2*s123^2*z12) + 
   (s14*s23^3*z1)/(s12^2*s123*s124*z12) + (2*s12*s23*z1)/(s123*s234*z12) - 
   (2*s12*s23*z1)/(s124*s234*z12) + (4*s13*s23*z1)/(s123*s234*z12) - 
   (2*s13*s23*z1)/(s124*s234*z12) + (2*s13^2*s23*z1)/(s12*s123*s234*z12) + 
   (2*s14*s23*z1)/(s123*s234*z12) - (4*s14*s23*z1)/(s124*s234*z12) + 
   (2*s13*s14*s23*z1)/(s12*s123*s234*z12) - (2*s13*s14*s23*z1)/
    (s12*s124*s234*z12) - (2*s14^2*s23*z1)/(s12*s124*s234*z12) + 
   (4*s23^2*z1)/(s123*s234*z12) - (2*s23^2*z1)/(s124*s234*z12) + 
   (4*s13*s23^2*z1)/(s12*s123*s234*z12) + (2*s14*s23^2*z1)/
    (s12*s123*s234*z12) - (2*s14*s23^2*z1)/(s12*s124*s234*z12) + 
   (2*s23^3*z1)/(s12*s123*s234*z12) - (s13*s24*z1)/(s123^2*z12) + 
   (s13*s24*z1)/(s124^2*z12) - (2*s13^2*s24*z1)/(s12*s123^2*z12) + 
   (s13^2*s24*z1)/(s12*s124^2*z12) - (s13^2*s24*z1)/(s12*s123*s124*z12) - 
   (s13^3*s24*z1)/(s12^2*s123^2*z12) - (s13^3*s24*z1)/(s12^2*s123*s124*z12) - 
   (2*s12*s24*z1)/(s123*s134*z12) + (2*s12*s24*z1)/(s124*s134*z12) - 
   (4*s13*s24*z1)/(s123*s134*z12) + (2*s13*s24*z1)/(s124*s134*z12) - 
   (2*s13^2*s24*z1)/(s12*s123*s134*z12) - (s13*s14*s24*z1)/(s12*s123^2*z12) + 
   (2*s13*s14*s24*z1)/(s12*s124^2*z12) + (s13*s14*s24*z1)/
    (s12*s123*s124*z12) - (s13^2*s14*s24*z1)/(s12^2*s123^2*z12) + 
   (s13^2*s14*s24*z1)/(s12^2*s124^2*z12) - (2*s14*s24*z1)/(s123*s134*z12) + 
   (4*s14*s24*z1)/(s124*s134*z12) - (2*s13*s14*s24*z1)/(s12*s123*s134*z12) + 
   (2*s13*s14*s24*z1)/(s12*s124*s134*z12) + (s13*s14^2*s24*z1)/
    (s12^2*s124^2*z12) + (s13*s14^2*s24*z1)/(s12^2*s123*s124*z12) + 
   (2*s14^2*s24*z1)/(s12*s124*s134*z12) - (2*s13*s23*s24*z1)/
    (s12*s123^2*z12) + (s13*s23*s24*z1)/(s12*s124^2*z12) - 
   (s13*s23*s24*z1)/(s12*s123*s124*z12) - (2*s13^2*s23*s24*z1)/
    (s12^2*s123^2*z12) - (2*s13^2*s23*s24*z1)/(s12^2*s123*s124*z12) - 
   (6*s23*s24*z1)/(s123*s134*z12) + (6*s23*s24*z1)/(s124*s134*z12) - 
   (6*s13*s23*s24*z1)/(s12*s123*s134*z12) + (2*s13*s23*s24*z1)/
    (s12*s124*s134*z12) + (s14*s23*s24*z1)/(s12*s123^2*z12) - 
   (2*s14*s23*s24*z1)/(s12*s124^2*z12) - (s14*s23*s24*z1)/
    (s12*s123*s124*z12) - (2*s14*s23*s24*z1)/(s12*s123*s134*z12) + 
   (6*s14*s23*s24*z1)/(s12*s124*s134*z12) - (2*s14^2*s23*s24*z1)/
    (s12^2*s124^2*z12) - (2*s14^2*s23*s24*z1)/(s12^2*s123*s124*z12) - 
   (s13*s23^2*s24*z1)/(s12^2*s123^2*z12) - (s13*s23^2*s24*z1)/
    (s12^2*s123*s124*z12) - (4*s23^2*s24*z1)/(s12*s123*s134*z12) + 
   (2*s23^2*s24*z1)/(s12*s124*s134*z12) + (s14*s23^2*s24*z1)/
    (s12^2*s123^2*z12) - (s14*s23^2*s24*z1)/(s12^2*s124^2*z12) + 
   (2*s12*s24*z1)/(s123*s234*z12) - (2*s12*s24*z1)/(s124*s234*z12) + 
   (4*s13*s24*z1)/(s123*s234*z12) - (2*s13*s24*z1)/(s124*s234*z12) + 
   (2*s13^2*s24*z1)/(s12*s123*s234*z12) + (2*s14*s24*z1)/(s123*s234*z12) - 
   (4*s14*s24*z1)/(s124*s234*z12) + (2*s13*s14*s24*z1)/(s12*s123*s234*z12) - 
   (2*s13*s14*s24*z1)/(s12*s124*s234*z12) - (2*s14^2*s24*z1)/
    (s12*s124*s234*z12) + (6*s23*s24*z1)/(s123*s234*z12) - 
   (6*s23*s24*z1)/(s124*s234*z12) + (6*s13*s23*s24*z1)/(s12*s123*s234*z12) - 
   (2*s13*s23*s24*z1)/(s12*s124*s234*z12) + (2*s14*s23*s24*z1)/
    (s12*s123*s234*z12) - (6*s14*s23*s24*z1)/(s12*s124*s234*z12) + 
   (4*s23^2*s24*z1)/(s12*s123*s234*z12) - (2*s23^2*s24*z1)/
    (s12*s124*s234*z12) - (s13*s24^2*z1)/(s12*s123^2*z12) + 
   (2*s13*s24^2*z1)/(s12*s124^2*z12) + (s13*s24^2*z1)/(s12*s123*s124*z12) - 
   (s13^2*s24^2*z1)/(s12^2*s123^2*z12) + (s13^2*s24^2*z1)/
    (s12^2*s124^2*z12) - (2*s24^2*z1)/(s123*s134*z12) + 
   (4*s24^2*z1)/(s124*s134*z12) - (2*s13*s24^2*z1)/(s12*s123*s134*z12) + 
   (2*s13*s24^2*z1)/(s12*s124*s134*z12) + (2*s13*s14*s24^2*z1)/
    (s12^2*s124^2*z12) + (2*s13*s14*s24^2*z1)/(s12^2*s123*s124*z12) + 
   (4*s14*s24^2*z1)/(s12*s124*s134*z12) - (s13*s23*s24^2*z1)/
    (s12^2*s123^2*z12) + (s13*s23*s24^2*z1)/(s12^2*s124^2*z12) - 
   (2*s23*s24^2*z1)/(s12*s123*s134*z12) + (4*s23*s24^2*z1)/
    (s12*s124*s134*z12) - (s14*s23*s24^2*z1)/(s12^2*s124^2*z12) - 
   (s14*s23*s24^2*z1)/(s12^2*s123*s124*z12) + (2*s24^2*z1)/(s123*s234*z12) - 
   (4*s24^2*z1)/(s124*s234*z12) + (2*s13*s24^2*z1)/(s12*s123*s234*z12) - 
   (2*s13*s24^2*z1)/(s12*s124*s234*z12) - (4*s14*s24^2*z1)/
    (s12*s124*s234*z12) + (2*s23*s24^2*z1)/(s12*s123*s234*z12) - 
   (4*s23*s24^2*z1)/(s12*s124*s234*z12) + (s13*s24^3*z1)/(s12^2*s124^2*z12) + 
   (s13*s24^3*z1)/(s12^2*s123*s124*z12) + (2*s24^3*z1)/(s12*s124*s134*z12) - 
   (2*s24^3*z1)/(s12*s124*s234*z12) + (2*s23*s34*z1)/(s123^2*z12) - 
   (2*s23*s34*z1)/(s123*s124*z12) + (4*s13*s23*s34*z1)/(s12*s123^2*z12) - 
   (2*s13*s23*s34*z1)/(s12*s123*s124*z12) + (2*s13^2*s23*s34*z1)/
    (s12^2*s123^2*z12) - (2*s23*s34*z1)/(s123*s134*z12) + 
   (2*s23*s34*z1)/(s124*s134*z12) - (2*s13*s23*s34*z1)/(s12*s123*s134*z12) + 
   (3*s14*s23*s34*z1)/(s12*s123^2*z12) - (s14*s23*s34*z1)/(s12*s124^2*z12) - 
   (4*s14*s23*s34*z1)/(s12*s123*s124*z12) + (3*s13*s14*s23*s34*z1)/
    (s12^2*s123^2*z12) - (s13*s14*s23*s34*z1)/(s12^2*s123*s124*z12) + 
   (2*s14*s23*s34*z1)/(s12*s124*s134*z12) - (s14^2*s23*s34*z1)/
    (s12^2*s124^2*z12) - (3*s14^2*s23*s34*z1)/(s12^2*s123*s124*z12) + 
   (4*s23^2*s34*z1)/(s12*s123^2*z12) - (2*s23^2*s34*z1)/(s12*s123*s124*z12) + 
   (4*s13*s23^2*s34*z1)/(s12^2*s123^2*z12) - (2*s23^2*s34*z1)/
    (s12*s123*s134*z12) + (3*s14*s23^2*s34*z1)/(s12^2*s123^2*z12) - 
   (s14*s23^2*s34*z1)/(s12^2*s123*s124*z12) + 
   (2*s23^3*s34*z1)/(s12^2*s123^2*z12) + (2*s23*s34*z1)/(s123*s234*z12) - 
   (2*s23*s34*z1)/(s124*s234*z12) + (2*s13*s23*s34*z1)/(s12*s123*s234*z12) - 
   (2*s14*s23*s34*z1)/(s12*s124*s234*z12) + (2*s23^2*s34*z1)/
    (s12*s123*s234*z12) + (2*s24*s34*z1)/(s124^2*z12) - 
   (2*s24*s34*z1)/(s123*s124*z12) - (s13*s24*s34*z1)/(s12*s123^2*z12) + 
   (3*s13*s24*s34*z1)/(s12*s124^2*z12) - (4*s13*s24*s34*z1)/
    (s12*s123*s124*z12) - (s13^2*s24*s34*z1)/(s12^2*s123^2*z12) - 
   (3*s13^2*s24*s34*z1)/(s12^2*s123*s124*z12) - 
   (2*s24*s34*z1)/(s123*s134*z12) + (2*s24*s34*z1)/(s124*s134*z12) - 
   (2*s13*s24*s34*z1)/(s12*s123*s134*z12) + (4*s14*s24*s34*z1)/
    (s12*s124^2*z12) - (2*s14*s24*s34*z1)/(s12*s123*s124*z12) + 
   (3*s13*s14*s24*s34*z1)/(s12^2*s124^2*z12) - (s13*s14*s24*s34*z1)/
    (s12^2*s123*s124*z12) + (2*s14*s24*s34*z1)/(s12*s124*s134*z12) + 
   (2*s14^2*s24*s34*z1)/(s12^2*s124^2*z12) + (2*s23*s24*s34*z1)/
    (s12*s123^2*z12) + (2*s23*s24*s34*z1)/(s12*s124^2*z12) - 
   (8*s23*s24*s34*z1)/(s12*s123*s124*z12) + (s13*s23*s24*s34*z1)/
    (s12^2*s123^2*z12) - (7*s13*s23*s24*s34*z1)/(s12^2*s123*s124*z12) - 
   (2*s23*s24*s34*z1)/(s12*s123*s134*z12) + (2*s23*s24*s34*z1)/
    (s12*s124*s134*z12) + (s14*s23*s24*s34*z1)/(s12^2*s124^2*z12) - 
   (7*s14*s23*s24*s34*z1)/(s12^2*s123*s124*z12) + 
   (2*s23^2*s24*s34*z1)/(s12^2*s123^2*z12) - (4*s23^2*s24*s34*z1)/
    (s12^2*s123*s124*z12) + (2*s24*s34*z1)/(s123*s234*z12) - 
   (2*s24*s34*z1)/(s124*s234*z12) + (2*s13*s24*s34*z1)/(s12*s123*s234*z12) - 
   (2*s14*s24*s34*z1)/(s12*s124*s234*z12) + (2*s23*s24*s34*z1)/
    (s12*s123*s234*z12) - (2*s23*s24*s34*z1)/(s12*s124*s234*z12) + 
   (4*s24^2*s34*z1)/(s12*s124^2*z12) - (2*s24^2*s34*z1)/(s12*s123*s124*z12) + 
   (3*s13*s24^2*s34*z1)/(s12^2*s124^2*z12) - (s13*s24^2*s34*z1)/
    (s12^2*s123*s124*z12) + (2*s24^2*s34*z1)/(s12*s124*s134*z12) + 
   (4*s14*s24^2*s34*z1)/(s12^2*s124^2*z12) + (2*s23*s24^2*s34*z1)/
    (s12^2*s124^2*z12) - (4*s23*s24^2*s34*z1)/(s12^2*s123*s124*z12) - 
   (2*s24^2*s34*z1)/(s12*s124*s234*z12) + (2*s24^3*s34*z1)/
    (s12^2*s124^2*z12) + (2*s23*s34^2*z1)/(s12*s123^2*z12) - 
   (2*s23*s34^2*z1)/(s12*s123*s124*z12) + (2*s13*s23*s34^2*z1)/
    (s12^2*s123^2*z12) - (2*s14*s23*s34^2*z1)/(s12^2*s123*s124*z12) + 
   (2*s23^2*s34^2*z1)/(s12^2*s123^2*z12) + (2*s24*s34^2*z1)/
    (s12*s124^2*z12) - (2*s24*s34^2*z1)/(s12*s123*s124*z12) - 
   (2*s13*s24*s34^2*z1)/(s12^2*s123*s124*z12) + 
   (2*s14*s24*s34^2*z1)/(s12^2*s124^2*z12) - (4*s23*s24*s34^2*z1)/
    (s12^2*s123*s124*z12) + (2*s24^2*s34^2*z1)/(s12^2*s124^2*z12) - 
   (2*s12*s34*z1*z2)/(s123^2*z12^2) - (2*s12*s34*z1*z2)/(s124^2*z12^2) + 
   (4*s12*s34*z1*z2)/(s123*s124*z12^2) - (6*s13*s34*z1*z2)/(s123^2*z12^2) - 
   (2*s13*s34*z1*z2)/(s124^2*z12^2) + (8*s13*s34*z1*z2)/(s123*s124*z12^2) - 
   (6*s13^2*s34*z1*z2)/(s12*s123^2*z12^2) + (4*s13^2*s34*z1*z2)/
    (s12*s123*s124*z12^2) - (2*s13^3*s34*z1*z2)/(s12^2*s123^2*z12^2) - 
   (2*s14*s34*z1*z2)/(s123^2*z12^2) - (6*s14*s34*z1*z2)/(s124^2*z12^2) + 
   (8*s14*s34*z1*z2)/(s123*s124*z12^2) - (4*s13*s14*s34*z1*z2)/
    (s12*s123^2*z12^2) - (4*s13*s14*s34*z1*z2)/(s12*s124^2*z12^2) + 
   (12*s13*s14*s34*z1*z2)/(s12*s123*s124*z12^2) - 
   (2*s13^2*s14*s34*z1*z2)/(s12^2*s123^2*z12^2) + 
   (4*s13^2*s14*s34*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (6*s14^2*s34*z1*z2)/(s12*s124^2*z12^2) + (4*s14^2*s34*z1*z2)/
    (s12*s123*s124*z12^2) - (2*s13*s14^2*s34*z1*z2)/(s12^2*s124^2*z12^2) + 
   (4*s13*s14^2*s34*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (2*s14^3*s34*z1*z2)/(s12^2*s124^2*z12^2) - 
   (6*s23*s34*z1*z2)/(s123^2*z12^2) - (2*s23*s34*z1*z2)/(s124^2*z12^2) + 
   (8*s23*s34*z1*z2)/(s123*s124*z12^2) - (12*s13*s23*s34*z1*z2)/
    (s12*s123^2*z12^2) + (8*s13*s23*s34*z1*z2)/(s12*s123*s124*z12^2) - 
   (6*s13^2*s23*s34*z1*z2)/(s12^2*s123^2*z12^2) - 
   (4*s14*s23*s34*z1*z2)/(s12*s123^2*z12^2) - (4*s14*s23*s34*z1*z2)/
    (s12*s124^2*z12^2) + (12*s14*s23*s34*z1*z2)/(s12*s123*s124*z12^2) - 
   (4*s13*s14*s23*s34*z1*z2)/(s12^2*s123^2*z12^2) + 
   (8*s13*s14*s23*s34*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (2*s14^2*s23*s34*z1*z2)/(s12^2*s124^2*z12^2) + 
   (4*s14^2*s23*s34*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (6*s23^2*s34*z1*z2)/(s12*s123^2*z12^2) + (4*s23^2*s34*z1*z2)/
    (s12*s123*s124*z12^2) - (6*s13*s23^2*s34*z1*z2)/(s12^2*s123^2*z12^2) - 
   (2*s14*s23^2*s34*z1*z2)/(s12^2*s123^2*z12^2) + 
   (4*s14*s23^2*s34*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (2*s23^3*s34*z1*z2)/(s12^2*s123^2*z12^2) - 
   (2*s24*s34*z1*z2)/(s123^2*z12^2) - (6*s24*s34*z1*z2)/(s124^2*z12^2) + 
   (8*s24*s34*z1*z2)/(s123*s124*z12^2) - (4*s13*s24*s34*z1*z2)/
    (s12*s123^2*z12^2) - (4*s13*s24*s34*z1*z2)/(s12*s124^2*z12^2) + 
   (12*s13*s24*s34*z1*z2)/(s12*s123*s124*z12^2) - 
   (2*s13^2*s24*s34*z1*z2)/(s12^2*s123^2*z12^2) + 
   (4*s13^2*s24*s34*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (12*s14*s24*s34*z1*z2)/(s12*s124^2*z12^2) + (8*s14*s24*s34*z1*z2)/
    (s12*s123*s124*z12^2) - (4*s13*s14*s24*s34*z1*z2)/(s12^2*s124^2*z12^2) + 
   (8*s13*s14*s24*s34*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (6*s14^2*s24*s34*z1*z2)/(s12^2*s124^2*z12^2) - 
   (4*s23*s24*s34*z1*z2)/(s12*s123^2*z12^2) - (4*s23*s24*s34*z1*z2)/
    (s12*s124^2*z12^2) + (12*s23*s24*s34*z1*z2)/(s12*s123*s124*z12^2) - 
   (4*s13*s23*s24*s34*z1*z2)/(s12^2*s123^2*z12^2) + 
   (8*s13*s23*s24*s34*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (4*s14*s23*s24*s34*z1*z2)/(s12^2*s124^2*z12^2) + 
   (8*s14*s23*s24*s34*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (2*s23^2*s24*s34*z1*z2)/(s12^2*s123^2*z12^2) + 
   (4*s23^2*s24*s34*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (6*s24^2*s34*z1*z2)/(s12*s124^2*z12^2) + (4*s24^2*s34*z1*z2)/
    (s12*s123*s124*z12^2) - (2*s13*s24^2*s34*z1*z2)/(s12^2*s124^2*z12^2) + 
   (4*s13*s24^2*s34*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (6*s14*s24^2*s34*z1*z2)/(s12^2*s124^2*z12^2) - 
   (2*s23*s24^2*s34*z1*z2)/(s12^2*s124^2*z12^2) + 
   (4*s23*s24^2*s34*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (2*s24^3*s34*z1*z2)/(s12^2*s124^2*z12^2) - 
   (2*s34^2*z1*z2)/(s123^2*z12^2) - (2*s34^2*z1*z2)/(s124^2*z12^2) + 
   (4*s34^2*z1*z2)/(s123*s124*z12^2) - (4*s13*s34^2*z1*z2)/
    (s12*s123^2*z12^2) + (4*s13*s34^2*z1*z2)/(s12*s123*s124*z12^2) - 
   (2*s13^2*s34^2*z1*z2)/(s12^2*s123^2*z12^2) - 
   (4*s14*s34^2*z1*z2)/(s12*s124^2*z12^2) + (4*s14*s34^2*z1*z2)/
    (s12*s123*s124*z12^2) + (4*s13*s14*s34^2*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (2*s14^2*s34^2*z1*z2)/(s12^2*s124^2*z12^2) - 
   (4*s23*s34^2*z1*z2)/(s12*s123^2*z12^2) + (4*s23*s34^2*z1*z2)/
    (s12*s123*s124*z12^2) - (4*s13*s23*s34^2*z1*z2)/(s12^2*s123^2*z12^2) + 
   (4*s14*s23*s34^2*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (2*s23^2*s34^2*z1*z2)/(s12^2*s123^2*z12^2) - 
   (4*s24*s34^2*z1*z2)/(s12*s124^2*z12^2) + (4*s24*s34^2*z1*z2)/
    (s12*s123*s124*z12^2) + (4*s13*s24*s34^2*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (4*s14*s24*s34^2*z1*z2)/(s12^2*s124^2*z12^2) + 
   (4*s23*s24*s34^2*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (2*s24^2*s34^2*z1*z2)/(s12^2*s124^2*z12^2) - 
   (2*s12*s13*z2)/(s123*s134*z12) + (2*s12*s13*z2)/(s124*s134*z12) - 
   (4*s13^2*z2)/(s123*s134*z12) + (2*s13^2*z2)/(s124*s134*z12) - 
   (2*s13^3*z2)/(s12*s123*s134*z12) - (2*s12*s14*z2)/(s123*s134*z12) + 
   (2*s12*s14*z2)/(s124*s134*z12) - (6*s13*s14*z2)/(s123*s134*z12) + 
   (6*s13*s14*z2)/(s124*s134*z12) - (4*s13^2*s14*z2)/(s12*s123*s134*z12) + 
   (2*s13^2*s14*z2)/(s12*s124*s134*z12) - (2*s14^2*z2)/(s123*s134*z12) + 
   (4*s14^2*z2)/(s124*s134*z12) - (2*s13*s14^2*z2)/(s12*s123*s134*z12) + 
   (4*s13*s14^2*z2)/(s12*s124*s134*z12) + (2*s14^3*z2)/(s12*s124*s134*z12) - 
   (4*s13*s23*z2)/(s123*s134*z12) + (2*s13*s23*z2)/(s124*s134*z12) - 
   (4*s13^2*s23*z2)/(s12*s123*s134*z12) - (s14*s23*z2)/(s123^2*z12) + 
   (s14*s23*z2)/(s124^2*z12) - (2*s13*s14*s23*z2)/(s12*s123^2*z12) + 
   (s13*s14*s23*z2)/(s12*s124^2*z12) - (s13*s14*s23*z2)/(s12*s123*s124*z12) - 
   (s13^2*s14*s23*z2)/(s12^2*s123^2*z12) - (s13^2*s14*s23*z2)/
    (s12^2*s123*s124*z12) - (4*s14*s23*z2)/(s123*s134*z12) + 
   (2*s14*s23*z2)/(s124*s134*z12) - (6*s13*s14*s23*z2)/(s12*s123*s134*z12) + 
   (2*s13*s14*s23*z2)/(s12*s124*s134*z12) - (s14^2*s23*z2)/(s12*s123^2*z12) + 
   (2*s14^2*s23*z2)/(s12*s124^2*z12) + (s14^2*s23*z2)/(s12*s123*s124*z12) - 
   (s13*s14^2*s23*z2)/(s12^2*s123^2*z12) + (s13*s14^2*s23*z2)/
    (s12^2*s124^2*z12) - (2*s14^2*s23*z2)/(s12*s123*s134*z12) + 
   (2*s14^2*s23*z2)/(s12*s124*s134*z12) + (s14^3*s23*z2)/(s12^2*s124^2*z12) + 
   (s14^3*s23*z2)/(s12^2*s123*s124*z12) - (2*s13*s23^2*z2)/
    (s12*s123*s134*z12) - (2*s14*s23^2*z2)/(s12*s123^2*z12) + 
   (s14*s23^2*z2)/(s12*s124^2*z12) - (s14*s23^2*z2)/(s12*s123*s124*z12) - 
   (2*s13*s14*s23^2*z2)/(s12^2*s123^2*z12) - (2*s13*s14*s23^2*z2)/
    (s12^2*s123*s124*z12) - (2*s14*s23^2*z2)/(s12*s123*s134*z12) - 
   (s14^2*s23^2*z2)/(s12^2*s123^2*z12) + (s14^2*s23^2*z2)/
    (s12^2*s124^2*z12) - (s14*s23^3*z2)/(s12^2*s123^2*z12) - 
   (s14*s23^3*z2)/(s12^2*s123*s124*z12) + (2*s12*s13*z2)/(s123*s234*z12) - 
   (2*s12*s13*z2)/(s124*s234*z12) + (4*s13^2*z2)/(s123*s234*z12) - 
   (2*s13^2*z2)/(s124*s234*z12) + (2*s13^3*z2)/(s12*s123*s234*z12) + 
   (2*s12*s14*z2)/(s123*s234*z12) - (2*s12*s14*z2)/(s124*s234*z12) + 
   (6*s13*s14*z2)/(s123*s234*z12) - (6*s13*s14*z2)/(s124*s234*z12) + 
   (4*s13^2*s14*z2)/(s12*s123*s234*z12) - (2*s13^2*s14*z2)/
    (s12*s124*s234*z12) + (2*s14^2*z2)/(s123*s234*z12) - 
   (4*s14^2*z2)/(s124*s234*z12) + (2*s13*s14^2*z2)/(s12*s123*s234*z12) - 
   (4*s13*s14^2*z2)/(s12*s124*s234*z12) - (2*s14^3*z2)/(s12*s124*s234*z12) + 
   (4*s13*s23*z2)/(s123*s234*z12) - (2*s13*s23*z2)/(s124*s234*z12) + 
   (4*s13^2*s23*z2)/(s12*s123*s234*z12) + (4*s14*s23*z2)/(s123*s234*z12) - 
   (2*s14*s23*z2)/(s124*s234*z12) + (6*s13*s14*s23*z2)/(s12*s123*s234*z12) - 
   (2*s13*s14*s23*z2)/(s12*s124*s234*z12) + (2*s14^2*s23*z2)/
    (s12*s123*s234*z12) - (2*s14^2*s23*z2)/(s12*s124*s234*z12) + 
   (2*s13*s23^2*z2)/(s12*s123*s234*z12) + (2*s14*s23^2*z2)/
    (s12*s123*s234*z12) + (s13*s24*z2)/(s123^2*z12) - 
   (s13*s24*z2)/(s124^2*z12) + (2*s13^2*s24*z2)/(s12*s123^2*z12) - 
   (s13^2*s24*z2)/(s12*s124^2*z12) + (s13^2*s24*z2)/(s12*s123*s124*z12) + 
   (s13^3*s24*z2)/(s12^2*s123^2*z12) + (s13^3*s24*z2)/(s12^2*s123*s124*z12) - 
   (2*s13*s24*z2)/(s123*s134*z12) + (4*s13*s24*z2)/(s124*s134*z12) - 
   (2*s13^2*s24*z2)/(s12*s123*s134*z12) + (2*s13^2*s24*z2)/
    (s12*s124*s134*z12) + (s13*s14*s24*z2)/(s12*s123^2*z12) - 
   (2*s13*s14*s24*z2)/(s12*s124^2*z12) - (s13*s14*s24*z2)/
    (s12*s123*s124*z12) + (s13^2*s14*s24*z2)/(s12^2*s123^2*z12) - 
   (s13^2*s14*s24*z2)/(s12^2*s124^2*z12) - (2*s14*s24*z2)/(s123*s134*z12) + 
   (4*s14*s24*z2)/(s124*s134*z12) - (2*s13*s14*s24*z2)/(s12*s123*s134*z12) + 
   (6*s13*s14*s24*z2)/(s12*s124*s134*z12) - (s13*s14^2*s24*z2)/
    (s12^2*s124^2*z12) - (s13*s14^2*s24*z2)/(s12^2*s123*s124*z12) + 
   (4*s14^2*s24*z2)/(s12*s124*s134*z12) + (2*s13*s23*s24*z2)/
    (s12*s123^2*z12) - (s13*s23*s24*z2)/(s12*s124^2*z12) + 
   (s13*s23*s24*z2)/(s12*s123*s124*z12) + (2*s13^2*s23*s24*z2)/
    (s12^2*s123^2*z12) + (2*s13^2*s23*s24*z2)/(s12^2*s123*s124*z12) - 
   (2*s13*s23*s24*z2)/(s12*s123*s134*z12) + (2*s13*s23*s24*z2)/
    (s12*s124*s134*z12) - (s14*s23*s24*z2)/(s12*s123^2*z12) + 
   (2*s14*s23*s24*z2)/(s12*s124^2*z12) + (s14*s23*s24*z2)/
    (s12*s123*s124*z12) - (2*s14*s23*s24*z2)/(s12*s123*s134*z12) + 
   (2*s14*s23*s24*z2)/(s12*s124*s134*z12) + (2*s14^2*s23*s24*z2)/
    (s12^2*s124^2*z12) + (2*s14^2*s23*s24*z2)/(s12^2*s123*s124*z12) + 
   (s13*s23^2*s24*z2)/(s12^2*s123^2*z12) + (s13*s23^2*s24*z2)/
    (s12^2*s123*s124*z12) - (s14*s23^2*s24*z2)/(s12^2*s123^2*z12) + 
   (s14*s23^2*s24*z2)/(s12^2*s124^2*z12) + (2*s13*s24*z2)/(s123*s234*z12) - 
   (4*s13*s24*z2)/(s124*s234*z12) + (2*s13^2*s24*z2)/(s12*s123*s234*z12) - 
   (2*s13^2*s24*z2)/(s12*s124*s234*z12) + (2*s14*s24*z2)/(s123*s234*z12) - 
   (4*s14*s24*z2)/(s124*s234*z12) + (2*s13*s14*s24*z2)/(s12*s123*s234*z12) - 
   (6*s13*s14*s24*z2)/(s12*s124*s234*z12) - (4*s14^2*s24*z2)/
    (s12*s124*s234*z12) + (2*s13*s23*s24*z2)/(s12*s123*s234*z12) - 
   (2*s13*s23*s24*z2)/(s12*s124*s234*z12) + (2*s14*s23*s24*z2)/
    (s12*s123*s234*z12) - (2*s14*s23*s24*z2)/(s12*s124*s234*z12) + 
   (s13*s24^2*z2)/(s12*s123^2*z12) - (2*s13*s24^2*z2)/(s12*s124^2*z12) - 
   (s13*s24^2*z2)/(s12*s123*s124*z12) + (s13^2*s24^2*z2)/(s12^2*s123^2*z12) - 
   (s13^2*s24^2*z2)/(s12^2*s124^2*z12) + (2*s13*s24^2*z2)/
    (s12*s124*s134*z12) - (2*s13*s14*s24^2*z2)/(s12^2*s124^2*z12) - 
   (2*s13*s14*s24^2*z2)/(s12^2*s123*s124*z12) + 
   (2*s14*s24^2*z2)/(s12*s124*s134*z12) + (s13*s23*s24^2*z2)/
    (s12^2*s123^2*z12) - (s13*s23*s24^2*z2)/(s12^2*s124^2*z12) + 
   (s14*s23*s24^2*z2)/(s12^2*s124^2*z12) + (s14*s23*s24^2*z2)/
    (s12^2*s123*s124*z12) - (2*s13*s24^2*z2)/(s12*s124*s234*z12) - 
   (2*s14*s24^2*z2)/(s12*s124*s234*z12) - (s13*s24^3*z2)/(s12^2*s124^2*z12) - 
   (s13*s24^3*z2)/(s12^2*s123*s124*z12) + (2*s13*s34*z2)/(s123^2*z12) - 
   (2*s13*s34*z2)/(s123*s124*z12) + (4*s13^2*s34*z2)/(s12*s123^2*z12) - 
   (2*s13^2*s34*z2)/(s12*s123*s124*z12) + (2*s13^3*s34*z2)/
    (s12^2*s123^2*z12) - (2*s13*s34*z2)/(s123*s134*z12) + 
   (2*s13*s34*z2)/(s124*s134*z12) - (2*s13^2*s34*z2)/(s12*s123*s134*z12) + 
   (2*s14*s34*z2)/(s124^2*z12) - (2*s14*s34*z2)/(s123*s124*z12) + 
   (2*s13*s14*s34*z2)/(s12*s123^2*z12) + (2*s13*s14*s34*z2)/
    (s12*s124^2*z12) - (8*s13*s14*s34*z2)/(s12*s123*s124*z12) + 
   (2*s13^2*s14*s34*z2)/(s12^2*s123^2*z12) - (4*s13^2*s14*s34*z2)/
    (s12^2*s123*s124*z12) - (2*s14*s34*z2)/(s123*s134*z12) + 
   (2*s14*s34*z2)/(s124*s134*z12) - (2*s13*s14*s34*z2)/(s12*s123*s134*z12) + 
   (2*s13*s14*s34*z2)/(s12*s124*s134*z12) + (4*s14^2*s34*z2)/
    (s12*s124^2*z12) - (2*s14^2*s34*z2)/(s12*s123*s124*z12) + 
   (2*s13*s14^2*s34*z2)/(s12^2*s124^2*z12) - (4*s13*s14^2*s34*z2)/
    (s12^2*s123*s124*z12) + (2*s14^2*s34*z2)/(s12*s124*s134*z12) + 
   (2*s14^3*s34*z2)/(s12^2*s124^2*z12) + (4*s13*s23*s34*z2)/
    (s12*s123^2*z12) - (2*s13*s23*s34*z2)/(s12*s123*s124*z12) + 
   (4*s13^2*s23*s34*z2)/(s12^2*s123^2*z12) - (2*s13*s23*s34*z2)/
    (s12*s123*s134*z12) - (s14*s23*s34*z2)/(s12*s123^2*z12) + 
   (3*s14*s23*s34*z2)/(s12*s124^2*z12) - (4*s14*s23*s34*z2)/
    (s12*s123*s124*z12) + (s13*s14*s23*s34*z2)/(s12^2*s123^2*z12) - 
   (7*s13*s14*s23*s34*z2)/(s12^2*s123*s124*z12) - 
   (2*s14*s23*s34*z2)/(s12*s123*s134*z12) + (3*s14^2*s23*s34*z2)/
    (s12^2*s124^2*z12) - (s14^2*s23*s34*z2)/(s12^2*s123*s124*z12) + 
   (2*s13*s23^2*s34*z2)/(s12^2*s123^2*z12) - (s14*s23^2*s34*z2)/
    (s12^2*s123^2*z12) - (3*s14*s23^2*s34*z2)/(s12^2*s123*s124*z12) + 
   (2*s13*s34*z2)/(s123*s234*z12) - (2*s13*s34*z2)/(s124*s234*z12) + 
   (2*s13^2*s34*z2)/(s12*s123*s234*z12) + (2*s14*s34*z2)/(s123*s234*z12) - 
   (2*s14*s34*z2)/(s124*s234*z12) + (2*s13*s14*s34*z2)/(s12*s123*s234*z12) - 
   (2*s13*s14*s34*z2)/(s12*s124*s234*z12) - (2*s14^2*s34*z2)/
    (s12*s124*s234*z12) + (2*s13*s23*s34*z2)/(s12*s123*s234*z12) + 
   (2*s14*s23*s34*z2)/(s12*s123*s234*z12) + (3*s13*s24*s34*z2)/
    (s12*s123^2*z12) - (s13*s24*s34*z2)/(s12*s124^2*z12) - 
   (4*s13*s24*s34*z2)/(s12*s123*s124*z12) + (3*s13^2*s24*s34*z2)/
    (s12^2*s123^2*z12) - (s13^2*s24*s34*z2)/(s12^2*s123*s124*z12) + 
   (2*s13*s24*s34*z2)/(s12*s124*s134*z12) + (4*s14*s24*s34*z2)/
    (s12*s124^2*z12) - (2*s14*s24*s34*z2)/(s12*s123*s124*z12) + 
   (s13*s14*s24*s34*z2)/(s12^2*s124^2*z12) - (7*s13*s14*s24*s34*z2)/
    (s12^2*s123*s124*z12) + (2*s14*s24*s34*z2)/(s12*s124*s134*z12) + 
   (4*s14^2*s24*s34*z2)/(s12^2*s124^2*z12) + (3*s13*s23*s24*s34*z2)/
    (s12^2*s123^2*z12) - (s13*s23*s24*s34*z2)/(s12^2*s123*s124*z12) + 
   (3*s14*s23*s24*s34*z2)/(s12^2*s124^2*z12) - (s14*s23*s24*s34*z2)/
    (s12^2*s123*s124*z12) - (2*s13*s24*s34*z2)/(s12*s124*s234*z12) - 
   (2*s14*s24*s34*z2)/(s12*s124*s234*z12) - (s13*s24^2*s34*z2)/
    (s12^2*s124^2*z12) - (3*s13*s24^2*s34*z2)/(s12^2*s123*s124*z12) + 
   (2*s14*s24^2*s34*z2)/(s12^2*s124^2*z12) + (2*s13*s34^2*z2)/
    (s12*s123^2*z12) - (2*s13*s34^2*z2)/(s12*s123*s124*z12) + 
   (2*s13^2*s34^2*z2)/(s12^2*s123^2*z12) + (2*s14*s34^2*z2)/
    (s12*s124^2*z12) - (2*s14*s34^2*z2)/(s12*s123*s124*z12) - 
   (4*s13*s14*s34^2*z2)/(s12^2*s123*s124*z12) + 
   (2*s14^2*s34^2*z2)/(s12^2*s124^2*z12) + (2*s13*s23*s34^2*z2)/
    (s12^2*s123^2*z12) - (2*s14*s23*s34^2*z2)/(s12^2*s123*s124*z12) - 
   (2*s13*s24*s34^2*z2)/(s12^2*s123*s124*z12) + 
   (2*s14*s24*s34^2*z2)/(s12^2*s124^2*z12) + (2*s12^2*z3)/(s123*s134*z12) - 
   (2*s12^2*z3)/(s124*s134*z12) + (4*s12*s13*z3)/(s123*s134*z12) - 
   (2*s12*s13*z3)/(s124*s134*z12) + (2*s13^2*z3)/(s123*s134*z12) - 
   (s12*s14*z3)/(s123^2*z12) + (s12*s14*z3)/(s124^2*z12) - 
   (2*s13*s14*z3)/(s123^2*z12) + (s13*s14*z3)/(s124^2*z12) - 
   (s13*s14*z3)/(s123*s124*z12) - (s13^2*s14*z3)/(s12*s123^2*z12) - 
   (s13^2*s14*z3)/(s12*s123*s124*z12) + (2*s12*s14*z3)/(s123*s134*z12) - 
   (4*s12*s14*z3)/(s124*s134*z12) + (2*s13*s14*z3)/(s123*s134*z12) - 
   (2*s13*s14*z3)/(s124*s134*z12) - (s14^2*z3)/(s123^2*z12) + 
   (2*s14^2*z3)/(s124^2*z12) + (s14^2*z3)/(s123*s124*z12) - 
   (s13*s14^2*z3)/(s12*s123^2*z12) + (s13*s14^2*z3)/(s12*s124^2*z12) - 
   (2*s14^2*z3)/(s124*s134*z12) + (s14^3*z3)/(s12*s124^2*z12) + 
   (s14^3*z3)/(s12*s123*s124*z12) + (4*s12*s23*z3)/(s123*s134*z12) - 
   (2*s12*s23*z3)/(s124*s134*z12) + (4*s13*s23*z3)/(s123*s134*z12) - 
   (2*s14*s23*z3)/(s123^2*z12) + (s14*s23*z3)/(s124^2*z12) - 
   (s14*s23*z3)/(s123*s124*z12) - (2*s13*s14*s23*z3)/(s12*s123^2*z12) - 
   (2*s13*s14*s23*z3)/(s12*s123*s124*z12) + (2*s14*s23*z3)/(s123*s134*z12) - 
   (2*s14*s23*z3)/(s124*s134*z12) - (s14^2*s23*z3)/(s12*s123^2*z12) + 
   (s14^2*s23*z3)/(s12*s124^2*z12) + (2*s23^2*z3)/(s123*s134*z12) - 
   (s14*s23^2*z3)/(s12*s123^2*z12) - (s14*s23^2*z3)/(s12*s123*s124*z12) - 
   (2*s12^2*z3)/(s123*s234*z12) + (2*s12^2*z3)/(s124*s234*z12) - 
   (4*s12*s13*z3)/(s123*s234*z12) + (2*s12*s13*z3)/(s124*s234*z12) - 
   (2*s13^2*z3)/(s123*s234*z12) - (2*s12*s14*z3)/(s123*s234*z12) + 
   (4*s12*s14*z3)/(s124*s234*z12) - (2*s13*s14*z3)/(s123*s234*z12) + 
   (2*s13*s14*z3)/(s124*s234*z12) + (2*s14^2*z3)/(s124*s234*z12) - 
   (4*s12*s23*z3)/(s123*s234*z12) + (2*s12*s23*z3)/(s124*s234*z12) - 
   (4*s13*s23*z3)/(s123*s234*z12) - (2*s14*s23*z3)/(s123*s234*z12) + 
   (2*s14*s23*z3)/(s124*s234*z12) - (2*s23^2*z3)/(s123*s234*z12) - 
   (s12*s24*z3)/(s123^2*z12) + (s12*s24*z3)/(s124^2*z12) - 
   (2*s13*s24*z3)/(s123^2*z12) + (s13*s24*z3)/(s124^2*z12) - 
   (s13*s24*z3)/(s123*s124*z12) - (s13^2*s24*z3)/(s12*s123^2*z12) - 
   (s13^2*s24*z3)/(s12*s123*s124*z12) + (2*s12*s24*z3)/(s123*s134*z12) - 
   (4*s12*s24*z3)/(s124*s134*z12) + (2*s13*s24*z3)/(s123*s134*z12) - 
   (2*s13*s24*z3)/(s124*s134*z12) - (2*s14*s24*z3)/(s123^2*z12) + 
   (4*s14*s24*z3)/(s124^2*z12) + (2*s14*s24*z3)/(s123*s124*z12) - 
   (2*s13*s14*s24*z3)/(s12*s123^2*z12) + (2*s13*s14*s24*z3)/
    (s12*s124^2*z12) - (4*s14*s24*z3)/(s124*s134*z12) + 
   (3*s14^2*s24*z3)/(s12*s124^2*z12) + (3*s14^2*s24*z3)/(s12*s123*s124*z12) - 
   (2*s23*s24*z3)/(s123^2*z12) + (s23*s24*z3)/(s124^2*z12) - 
   (s23*s24*z3)/(s123*s124*z12) - (2*s13*s23*s24*z3)/(s12*s123^2*z12) - 
   (2*s13*s23*s24*z3)/(s12*s123*s124*z12) + (2*s23*s24*z3)/(s123*s134*z12) - 
   (2*s23*s24*z3)/(s124*s134*z12) - (2*s14*s23*s24*z3)/(s12*s123^2*z12) + 
   (2*s14*s23*s24*z3)/(s12*s124^2*z12) - (s23^2*s24*z3)/(s12*s123^2*z12) - 
   (s23^2*s24*z3)/(s12*s123*s124*z12) - (2*s12*s24*z3)/(s123*s234*z12) + 
   (4*s12*s24*z3)/(s124*s234*z12) - (2*s13*s24*z3)/(s123*s234*z12) + 
   (2*s13*s24*z3)/(s124*s234*z12) + (4*s14*s24*z3)/(s124*s234*z12) - 
   (2*s23*s24*z3)/(s123*s234*z12) + (2*s23*s24*z3)/(s124*s234*z12) - 
   (s24^2*z3)/(s123^2*z12) + (2*s24^2*z3)/(s124^2*z12) + 
   (s24^2*z3)/(s123*s124*z12) - (s13*s24^2*z3)/(s12*s123^2*z12) + 
   (s13*s24^2*z3)/(s12*s124^2*z12) - (2*s24^2*z3)/(s124*s134*z12) + 
   (3*s14*s24^2*z3)/(s12*s124^2*z12) + (3*s14*s24^2*z3)/(s12*s123*s124*z12) - 
   (s23*s24^2*z3)/(s12*s123^2*z12) + (s23*s24^2*z3)/(s12*s124^2*z12) + 
   (2*s24^2*z3)/(s124*s234*z12) + (s24^3*z3)/(s12*s124^2*z12) + 
   (s24^3*z3)/(s12*s123*s124*z12) - (2*s12*s34*z3)/(s123^2*z12) + 
   (2*s12*s34*z3)/(s123*s124*z12) - (4*s13*s34*z3)/(s123^2*z12) + 
   (2*s13*s34*z3)/(s123*s124*z12) - (2*s13^2*s34*z3)/(s12*s123^2*z12) + 
   (2*s12*s34*z3)/(s123*s134*z12) - (2*s12*s34*z3)/(s124*s134*z12) + 
   (2*s13*s34*z3)/(s123*s134*z12) - (3*s14*s34*z3)/(s123^2*z12) + 
   (s14*s34*z3)/(s124^2*z12) + (4*s14*s34*z3)/(s123*s124*z12) - 
   (3*s13*s14*s34*z3)/(s12*s123^2*z12) + (s13*s14*s34*z3)/
    (s12*s123*s124*z12) - (2*s14*s34*z3)/(s124*s134*z12) + 
   (s14^2*s34*z3)/(s12*s124^2*z12) + (3*s14^2*s34*z3)/(s12*s123*s124*z12) - 
   (4*s23*s34*z3)/(s123^2*z12) + (2*s23*s34*z3)/(s123*s124*z12) - 
   (4*s13*s23*s34*z3)/(s12*s123^2*z12) + (2*s23*s34*z3)/(s123*s134*z12) - 
   (3*s14*s23*s34*z3)/(s12*s123^2*z12) + (s14*s23*s34*z3)/
    (s12*s123*s124*z12) - (2*s23^2*s34*z3)/(s12*s123^2*z12) - 
   (2*s12*s34*z3)/(s123*s234*z12) + (2*s12*s34*z3)/(s124*s234*z12) - 
   (2*s13*s34*z3)/(s123*s234*z12) + (2*s14*s34*z3)/(s124*s234*z12) - 
   (2*s23*s34*z3)/(s123*s234*z12) - (3*s24*s34*z3)/(s123^2*z12) + 
   (s24*s34*z3)/(s124^2*z12) + (4*s24*s34*z3)/(s123*s124*z12) - 
   (3*s13*s24*s34*z3)/(s12*s123^2*z12) + (s13*s24*s34*z3)/
    (s12*s123*s124*z12) - (2*s24*s34*z3)/(s124*s134*z12) + 
   (2*s14*s24*s34*z3)/(s12*s124^2*z12) + (6*s14*s24*s34*z3)/
    (s12*s123*s124*z12) - (3*s23*s24*s34*z3)/(s12*s123^2*z12) + 
   (s23*s24*s34*z3)/(s12*s123*s124*z12) + (2*s24*s34*z3)/(s124*s234*z12) + 
   (s24^2*s34*z3)/(s12*s124^2*z12) + (3*s24^2*s34*z3)/(s12*s123*s124*z12) - 
   (2*s34^2*z3)/(s123^2*z12) + (2*s34^2*z3)/(s123*s124*z12) - 
   (2*s13*s34^2*z3)/(s12*s123^2*z12) + (2*s14*s34^2*z3)/(s12*s123*s124*z12) - 
   (2*s23*s34^2*z3)/(s12*s123^2*z12) + (2*s24*s34^2*z3)/(s12*s123*s124*z12) - 
   (2*s12^2*z1)/(s134^2*z34) - (4*s12*s13*z1)/(s134^2*z34) + 
   (2*s12*s13*z1)/(s123*s134*z34) - (2*s12*s13*z1)/(s124*s134*z34) + 
   (2*s13^2*z1)/(s123*s134*z34) - (2*s13^2*z1)/(s124*s134*z34) - 
   (4*s12*s14*z1)/(s134^2*z34) + (2*s12*s14*z1)/(s123*s134*z34) - 
   (2*s12*s14*z1)/(s124*s134*z34) + (4*s13*s14*z1)/(s123*s134*z34) - 
   (4*s13*s14*z1)/(s124*s134*z34) + (2*s14^2*z1)/(s123*s134*z34) - 
   (2*s14^2*z1)/(s124*s134*z34) - (3*s12*s23*z1)/(s134^2*z34) - 
   (2*s13*s23*z1)/(s134^2*z34) + (2*s13*s23*z1)/(s123*s134*z34) - 
   (2*s13*s23*z1)/(s124*s134*z34) - (2*s14*s23*z1)/(s134^2*z34) + 
   (2*s14*s23*z1)/(s123*s134*z34) - (2*s14*s23*z1)/(s124*s134*z34) - 
   (s23^2*z1)/(s134^2*z34) + (s12*s23*z1)/(s234^2*z34) + 
   (s13*s23*z1)/(s234^2*z34) + (s14*s23*z1)/(s234^2*z34) + 
   (2*s23^2*z1)/(s234^2*z34) + (2*s12^2*z1)/(s134*s234*z34) + 
   (2*s12*s13*z1)/(s134*s234*z34) + (2*s12*s14*z1)/(s134*s234*z34) - 
   (2*s12*s23*z1)/(s123*s234*z34) + (2*s12*s23*z1)/(s124*s234*z34) - 
   (2*s13*s23*z1)/(s123*s234*z34) + (2*s13*s23*z1)/(s124*s234*z34) + 
   (4*s12*s23*z1)/(s134*s234*z34) - (s13*s23*z1)/(s134*s234*z34) - 
   (2*s14*s23*z1)/(s123*s234*z34) + (2*s14*s23*z1)/(s124*s234*z34) - 
   (s14*s23*z1)/(s134*s234*z34) - (2*s23^2*z1)/(s123*s234*z34) + 
   (2*s23^2*z1)/(s124*s234*z34) + (s23^2*z1)/(s134*s234*z34) - 
   (3*s12*s24*z1)/(s134^2*z34) - (2*s13*s24*z1)/(s134^2*z34) + 
   (2*s13*s24*z1)/(s123*s134*z34) - (2*s13*s24*z1)/(s124*s134*z34) - 
   (2*s14*s24*z1)/(s134^2*z34) + (2*s14*s24*z1)/(s123*s134*z34) - 
   (2*s14*s24*z1)/(s124*s134*z34) - (2*s23*s24*z1)/(s134^2*z34) + 
   (s12*s24*z1)/(s234^2*z34) + (s13*s24*z1)/(s234^2*z34) + 
   (s14*s24*z1)/(s234^2*z34) + (4*s23*s24*z1)/(s234^2*z34) - 
   (2*s12*s24*z1)/(s123*s234*z34) + (2*s12*s24*z1)/(s124*s234*z34) - 
   (2*s13*s24*z1)/(s123*s234*z34) + (2*s13*s24*z1)/(s124*s234*z34) + 
   (4*s12*s24*z1)/(s134*s234*z34) - (s13*s24*z1)/(s134*s234*z34) - 
   (2*s14*s24*z1)/(s123*s234*z34) + (2*s14*s24*z1)/(s124*s234*z34) - 
   (s14*s24*z1)/(s134*s234*z34) - (4*s23*s24*z1)/(s123*s234*z34) + 
   (4*s23*s24*z1)/(s124*s234*z34) + (2*s23*s24*z1)/(s134*s234*z34) - 
   (s24^2*z1)/(s134^2*z34) + (2*s24^2*z1)/(s234^2*z34) - 
   (2*s24^2*z1)/(s123*s234*z34) + (2*s24^2*z1)/(s124*s234*z34) + 
   (s24^2*z1)/(s134*s234*z34) - (2*s12^2*s13*z1)/(s134^2*s34*z34) - 
   (2*s12*s13^2*z1)/(s134^2*s34*z34) - (2*s12^2*s14*z1)/(s134^2*s34*z34) - 
   (4*s12*s13*s14*z1)/(s134^2*s34*z34) - (2*s12*s14^2*z1)/(s134^2*s34*z34) - 
   (3*s12*s13*s23*z1)/(s134^2*s34*z34) - (s13^2*s23*z1)/(s134^2*s34*z34) - 
   (3*s12*s14*s23*z1)/(s134^2*s34*z34) - (2*s13*s14*s23*z1)/
    (s134^2*s34*z34) - (s14^2*s23*z1)/(s134^2*s34*z34) - 
   (s13*s23^2*z1)/(s134^2*s34*z34) - (s14*s23^2*z1)/(s134^2*s34*z34) + 
   (s12*s23^2*z1)/(s234^2*s34*z34) + (s13*s23^2*z1)/(s234^2*s34*z34) + 
   (s14*s23^2*z1)/(s234^2*s34*z34) + (s23^3*z1)/(s234^2*s34*z34) + 
   (2*s12^2*s23*z1)/(s134*s234*s34*z34) + (s12*s13*s23*z1)/
    (s134*s234*s34*z34) - (s13^2*s23*z1)/(s134*s234*s34*z34) + 
   (s12*s14*s23*z1)/(s134*s234*s34*z34) - (2*s13*s14*s23*z1)/
    (s134*s234*s34*z34) - (s14^2*s23*z1)/(s134*s234*s34*z34) + 
   (3*s12*s23^2*z1)/(s134*s234*s34*z34) + (s23^3*z1)/(s134*s234*s34*z34) - 
   (3*s12*s13*s24*z1)/(s134^2*s34*z34) - (s13^2*s24*z1)/(s134^2*s34*z34) - 
   (3*s12*s14*s24*z1)/(s134^2*s34*z34) - (2*s13*s14*s24*z1)/
    (s134^2*s34*z34) - (s14^2*s24*z1)/(s134^2*s34*z34) - 
   (2*s13*s23*s24*z1)/(s134^2*s34*z34) - (2*s14*s23*s24*z1)/
    (s134^2*s34*z34) + (2*s12*s23*s24*z1)/(s234^2*s34*z34) + 
   (2*s13*s23*s24*z1)/(s234^2*s34*z34) + (2*s14*s23*s24*z1)/
    (s234^2*s34*z34) + (3*s23^2*s24*z1)/(s234^2*s34*z34) + 
   (2*s12^2*s24*z1)/(s134*s234*s34*z34) + (s12*s13*s24*z1)/
    (s134*s234*s34*z34) - (s13^2*s24*z1)/(s134*s234*s34*z34) + 
   (s12*s14*s24*z1)/(s134*s234*s34*z34) - (2*s13*s14*s24*z1)/
    (s134*s234*s34*z34) - (s14^2*s24*z1)/(s134*s234*s34*z34) + 
   (6*s12*s23*s24*z1)/(s134*s234*s34*z34) + (3*s23^2*s24*z1)/
    (s134*s234*s34*z34) - (s13*s24^2*z1)/(s134^2*s34*z34) - 
   (s14*s24^2*z1)/(s134^2*s34*z34) + (s12*s24^2*z1)/(s234^2*s34*z34) + 
   (s13*s24^2*z1)/(s234^2*s34*z34) + (s14*s24^2*z1)/(s234^2*s34*z34) + 
   (3*s23*s24^2*z1)/(s234^2*s34*z34) + (3*s12*s24^2*z1)/(s134*s234*s34*z34) + 
   (3*s23*s24^2*z1)/(s134*s234*s34*z34) + (s24^3*z1)/(s234^2*s34*z34) + 
   (s24^3*z1)/(s134*s234*s34*z34) - (2*s12*s34*z1)/(s134^2*z34) + 
   (2*s12*s34*z1)/(s123*s134*z34) - (2*s12*s34*z1)/(s124*s134*z34) + 
   (4*s13*s34*z1)/(s123*s134*z34) - (4*s13*s34*z1)/(s124*s134*z34) + 
   (4*s14*s34*z1)/(s123*s134*z34) - (4*s14*s34*z1)/(s124*s134*z34) - 
   (s23*s34*z1)/(s134^2*z34) + (2*s23*s34*z1)/(s123*s134*z34) - 
   (2*s23*s34*z1)/(s124*s134*z34) + (s23*s34*z1)/(s234^2*z34) - 
   (2*s12*s34*z1)/(s123*s234*z34) + (2*s12*s34*z1)/(s124*s234*z34) - 
   (2*s13*s34*z1)/(s123*s234*z34) + (2*s13*s34*z1)/(s124*s234*z34) + 
   (2*s12*s34*z1)/(s134*s234*z34) - (2*s14*s34*z1)/(s123*s234*z34) + 
   (2*s14*s34*z1)/(s124*s234*z34) - (4*s23*s34*z1)/(s123*s234*z34) + 
   (4*s23*s34*z1)/(s124*s234*z34) - (s24*s34*z1)/(s134^2*z34) + 
   (2*s24*s34*z1)/(s123*s134*z34) - (2*s24*s34*z1)/(s124*s134*z34) + 
   (s24*s34*z1)/(s234^2*z34) - (4*s24*s34*z1)/(s123*s234*z34) + 
   (4*s24*s34*z1)/(s124*s234*z34) + (2*s34^2*z1)/(s123*s134*z34) - 
   (2*s34^2*z1)/(s124*s134*z34) - (2*s34^2*z1)/(s123*s234*z34) + 
   (2*s34^2*z1)/(s124*s234*z34) + (s12*s13*z2)/(s134^2*z34) + 
   (2*s13^2*z2)/(s134^2*z34) + (2*s12*s13*z2)/(s123*s134*z34) - 
   (2*s12*s13*z2)/(s124*s134*z34) + (2*s13^2*z2)/(s123*s134*z34) - 
   (2*s13^2*z2)/(s124*s134*z34) + (s12*s14*z2)/(s134^2*z34) + 
   (4*s13*s14*z2)/(s134^2*z34) + (2*s12*s14*z2)/(s123*s134*z34) - 
   (2*s12*s14*z2)/(s124*s134*z34) + (4*s13*s14*z2)/(s123*s134*z34) - 
   (4*s13*s14*z2)/(s124*s134*z34) + (2*s14^2*z2)/(s134^2*z34) + 
   (2*s14^2*z2)/(s123*s134*z34) - (2*s14^2*z2)/(s124*s134*z34) + 
   (s13*s23*z2)/(s134^2*z34) + (2*s13*s23*z2)/(s123*s134*z34) - 
   (2*s13*s23*z2)/(s124*s134*z34) + (s14*s23*z2)/(s134^2*z34) + 
   (2*s14*s23*z2)/(s123*s134*z34) - (2*s14*s23*z2)/(s124*s134*z34) - 
   (2*s12^2*z2)/(s234^2*z34) - (3*s12*s13*z2)/(s234^2*z34) - 
   (s13^2*z2)/(s234^2*z34) - (3*s12*s14*z2)/(s234^2*z34) - 
   (2*s13*s14*z2)/(s234^2*z34) - (s14^2*z2)/(s234^2*z34) - 
   (4*s12*s23*z2)/(s234^2*z34) - (2*s13*s23*z2)/(s234^2*z34) - 
   (2*s14*s23*z2)/(s234^2*z34) + (2*s12^2*z2)/(s134*s234*z34) + 
   (4*s12*s13*z2)/(s134*s234*z34) + (s13^2*z2)/(s134*s234*z34) + 
   (4*s12*s14*z2)/(s134*s234*z34) + (2*s13*s14*z2)/(s134*s234*z34) + 
   (s14^2*z2)/(s134*s234*z34) - (2*s12*s23*z2)/(s123*s234*z34) + 
   (2*s12*s23*z2)/(s124*s234*z34) - (2*s13*s23*z2)/(s123*s234*z34) + 
   (2*s13*s23*z2)/(s124*s234*z34) + (2*s12*s23*z2)/(s134*s234*z34) - 
   (s13*s23*z2)/(s134*s234*z34) - (2*s14*s23*z2)/(s123*s234*z34) + 
   (2*s14*s23*z2)/(s124*s234*z34) - (s14*s23*z2)/(s134*s234*z34) - 
   (2*s23^2*z2)/(s123*s234*z34) + (2*s23^2*z2)/(s124*s234*z34) + 
   (s13*s24*z2)/(s134^2*z34) + (2*s13*s24*z2)/(s123*s134*z34) - 
   (2*s13*s24*z2)/(s124*s134*z34) + (s14*s24*z2)/(s134^2*z34) + 
   (2*s14*s24*z2)/(s123*s134*z34) - (2*s14*s24*z2)/(s124*s134*z34) - 
   (4*s12*s24*z2)/(s234^2*z34) - (2*s13*s24*z2)/(s234^2*z34) - 
   (2*s14*s24*z2)/(s234^2*z34) - (2*s12*s24*z2)/(s123*s234*z34) + 
   (2*s12*s24*z2)/(s124*s234*z34) - (2*s13*s24*z2)/(s123*s234*z34) + 
   (2*s13*s24*z2)/(s124*s234*z34) + (2*s12*s24*z2)/(s134*s234*z34) - 
   (s13*s24*z2)/(s134*s234*z34) - (2*s14*s24*z2)/(s123*s234*z34) + 
   (2*s14*s24*z2)/(s124*s234*z34) - (s14*s24*z2)/(s134*s234*z34) - 
   (4*s23*s24*z2)/(s123*s234*z34) + (4*s23*s24*z2)/(s124*s234*z34) - 
   (2*s24^2*z2)/(s123*s234*z34) + (2*s24^2*z2)/(s124*s234*z34) + 
   (s12*s13^2*z2)/(s134^2*s34*z34) + (s13^3*z2)/(s134^2*s34*z34) + 
   (2*s12*s13*s14*z2)/(s134^2*s34*z34) + (3*s13^2*s14*z2)/(s134^2*s34*z34) + 
   (s12*s14^2*z2)/(s134^2*s34*z34) + (3*s13*s14^2*z2)/(s134^2*s34*z34) + 
   (s14^3*z2)/(s134^2*s34*z34) + (s13^2*s23*z2)/(s134^2*s34*z34) + 
   (2*s13*s14*s23*z2)/(s134^2*s34*z34) + (s14^2*s23*z2)/(s134^2*s34*z34) - 
   (2*s12^2*s23*z2)/(s234^2*s34*z34) - (3*s12*s13*s23*z2)/(s234^2*s34*z34) - 
   (s13^2*s23*z2)/(s234^2*s34*z34) - (3*s12*s14*s23*z2)/(s234^2*s34*z34) - 
   (2*s13*s14*s23*z2)/(s234^2*s34*z34) - (s14^2*s23*z2)/(s234^2*s34*z34) - 
   (2*s12*s23^2*z2)/(s234^2*s34*z34) - (s13*s23^2*z2)/(s234^2*s34*z34) - 
   (s14*s23^2*z2)/(s234^2*s34*z34) + (2*s12^2*s13*z2)/(s134*s234*s34*z34) + 
   (3*s12*s13^2*z2)/(s134*s234*s34*z34) + (s13^3*z2)/(s134*s234*s34*z34) + 
   (2*s12^2*s14*z2)/(s134*s234*s34*z34) + (6*s12*s13*s14*z2)/
    (s134*s234*s34*z34) + (3*s13^2*s14*z2)/(s134*s234*s34*z34) + 
   (3*s12*s14^2*z2)/(s134*s234*s34*z34) + (3*s13*s14^2*z2)/
    (s134*s234*s34*z34) + (s14^3*z2)/(s134*s234*s34*z34) + 
   (s12*s13*s23*z2)/(s134*s234*s34*z34) + (s12*s14*s23*z2)/
    (s134*s234*s34*z34) - (s13*s23^2*z2)/(s134*s234*s34*z34) - 
   (s14*s23^2*z2)/(s134*s234*s34*z34) + (s13^2*s24*z2)/(s134^2*s34*z34) + 
   (2*s13*s14*s24*z2)/(s134^2*s34*z34) + (s14^2*s24*z2)/(s134^2*s34*z34) - 
   (2*s12^2*s24*z2)/(s234^2*s34*z34) - (3*s12*s13*s24*z2)/(s234^2*s34*z34) - 
   (s13^2*s24*z2)/(s234^2*s34*z34) - (3*s12*s14*s24*z2)/(s234^2*s34*z34) - 
   (2*s13*s14*s24*z2)/(s234^2*s34*z34) - (s14^2*s24*z2)/(s234^2*s34*z34) - 
   (4*s12*s23*s24*z2)/(s234^2*s34*z34) - (2*s13*s23*s24*z2)/
    (s234^2*s34*z34) - (2*s14*s23*s24*z2)/(s234^2*s34*z34) + 
   (s12*s13*s24*z2)/(s134*s234*s34*z34) + (s12*s14*s24*z2)/
    (s134*s234*s34*z34) - (2*s13*s23*s24*z2)/(s134*s234*s34*z34) - 
   (2*s14*s23*s24*z2)/(s134*s234*s34*z34) - (2*s12*s24^2*z2)/
    (s234^2*s34*z34) - (s13*s24^2*z2)/(s234^2*s34*z34) - 
   (s14*s24^2*z2)/(s234^2*s34*z34) - (s13*s24^2*z2)/(s134*s234*s34*z34) - 
   (s14*s24^2*z2)/(s134*s234*s34*z34) + (s13*s34*z2)/(s134^2*z34) + 
   (2*s12*s34*z2)/(s123*s134*z34) - (2*s12*s34*z2)/(s124*s134*z34) + 
   (4*s13*s34*z2)/(s123*s134*z34) - (4*s13*s34*z2)/(s124*s134*z34) + 
   (s14*s34*z2)/(s134^2*z34) + (4*s14*s34*z2)/(s123*s134*z34) - 
   (4*s14*s34*z2)/(s124*s134*z34) + (2*s23*s34*z2)/(s123*s134*z34) - 
   (2*s23*s34*z2)/(s124*s134*z34) - (2*s12*s34*z2)/(s234^2*z34) - 
   (s13*s34*z2)/(s234^2*z34) - (s14*s34*z2)/(s234^2*z34) - 
   (2*s12*s34*z2)/(s123*s234*z34) + (2*s12*s34*z2)/(s124*s234*z34) - 
   (2*s13*s34*z2)/(s123*s234*z34) + (2*s13*s34*z2)/(s124*s234*z34) + 
   (2*s12*s34*z2)/(s134*s234*z34) - (2*s14*s34*z2)/(s123*s234*z34) + 
   (2*s14*s34*z2)/(s124*s234*z34) - (4*s23*s34*z2)/(s123*s234*z34) + 
   (4*s23*s34*z2)/(s124*s234*z34) + (2*s24*s34*z2)/(s123*s134*z34) - 
   (2*s24*s34*z2)/(s124*s134*z34) - (4*s24*s34*z2)/(s123*s234*z34) + 
   (4*s24*s34*z2)/(s124*s234*z34) + (2*s34^2*z2)/(s123*s134*z34) - 
   (2*s34^2*z2)/(s124*s134*z34) - (2*s34^2*z2)/(s123*s234*z34) + 
   (2*s34^2*z2)/(s124*s234*z34) + (2*s12*s14*z3)/(s134^2*z34) - 
   (2*s12*s14*z3)/(s123*s134*z34) + (2*s12*s14*z3)/(s124*s134*z34) - 
   (4*s13*s14*z3)/(s123*s134*z34) + (4*s13*s14*z3)/(s124*s134*z34) - 
   (4*s14^2*z3)/(s123*s134*z34) + (4*s14^2*z3)/(s124*s134*z34) + 
   (s14*s23*z3)/(s134^2*z34) - (2*s14*s23*z3)/(s123*s134*z34) + 
   (2*s14*s23*z3)/(s124*s134*z34) - (s14*s23*z3)/(s234^2*z34) + 
   (2*s12*s14*z3)/(s123*s234*z34) - (2*s12*s14*z3)/(s124*s234*z34) + 
   (2*s13*s14*z3)/(s123*s234*z34) - (2*s13*s14*z3)/(s124*s234*z34) - 
   (2*s12*s14*z3)/(s134*s234*z34) + (2*s14^2*z3)/(s123*s234*z34) - 
   (2*s14^2*z3)/(s124*s234*z34) + (4*s14*s23*z3)/(s123*s234*z34) - 
   (4*s14*s23*z3)/(s124*s234*z34) - (s13*s24*z3)/(s134^2*z34) - 
   (2*s12*s24*z3)/(s123*s134*z34) + (2*s12*s24*z3)/(s124*s134*z34) - 
   (4*s13*s24*z3)/(s123*s134*z34) + (4*s13*s24*z3)/(s124*s134*z34) - 
   (6*s14*s24*z3)/(s123*s134*z34) + (6*s14*s24*z3)/(s124*s134*z34) - 
   (2*s23*s24*z3)/(s123*s134*z34) + (2*s23*s24*z3)/(s124*s134*z34) + 
   (2*s12*s24*z3)/(s234^2*z34) + (s13*s24*z3)/(s234^2*z34) + 
   (2*s12*s24*z3)/(s123*s234*z34) - (2*s12*s24*z3)/(s124*s234*z34) + 
   (2*s13*s24*z3)/(s123*s234*z34) - (2*s13*s24*z3)/(s124*s234*z34) - 
   (2*s12*s24*z3)/(s134*s234*z34) + (6*s14*s24*z3)/(s123*s234*z34) - 
   (6*s14*s24*z3)/(s124*s234*z34) + (4*s23*s24*z3)/(s123*s234*z34) - 
   (4*s23*s24*z3)/(s124*s234*z34) - (2*s24^2*z3)/(s123*s134*z34) + 
   (2*s24^2*z3)/(s124*s134*z34) + (4*s24^2*z3)/(s123*s234*z34) - 
   (4*s24^2*z3)/(s124*s234*z34) + (2*s12^2*s13*s14*z3)/(s134^2*s34^2*z34) + 
   (2*s12*s13^2*s14*z3)/(s134^2*s34^2*z34) + (2*s12^2*s14^2*z3)/
    (s134^2*s34^2*z34) + (4*s12*s13*s14^2*z3)/(s134^2*s34^2*z34) + 
   (2*s12*s14^3*z3)/(s134^2*s34^2*z34) + (3*s12*s13*s14*s23*z3)/
    (s134^2*s34^2*z34) + (s13^2*s14*s23*z3)/(s134^2*s34^2*z34) + 
   (3*s12*s14^2*s23*z3)/(s134^2*s34^2*z34) + (2*s13*s14^2*s23*z3)/
    (s134^2*s34^2*z34) + (s14^3*s23*z3)/(s134^2*s34^2*z34) + 
   (s13*s14*s23^2*z3)/(s134^2*s34^2*z34) + (s14^2*s23^2*z3)/
    (s134^2*s34^2*z34) - (s12*s14*s23^2*z3)/(s234^2*s34^2*z34) - 
   (s13*s14*s23^2*z3)/(s234^2*s34^2*z34) - (s14^2*s23^2*z3)/
    (s234^2*s34^2*z34) - (s14*s23^3*z3)/(s234^2*s34^2*z34) - 
   (2*s12^2*s14*s23*z3)/(s134*s234*s34^2*z34) - 
   (s12*s13*s14*s23*z3)/(s134*s234*s34^2*z34) + 
   (s13^2*s14*s23*z3)/(s134*s234*s34^2*z34) - (s12*s14^2*s23*z3)/
    (s134*s234*s34^2*z34) + (2*s13*s14^2*s23*z3)/(s134*s234*s34^2*z34) + 
   (s14^3*s23*z3)/(s134*s234*s34^2*z34) - (3*s12*s14*s23^2*z3)/
    (s134*s234*s34^2*z34) - (s14*s23^3*z3)/(s134*s234*s34^2*z34) - 
   (s12*s13^2*s24*z3)/(s134^2*s34^2*z34) - 
   (s13^3*s24*z3)/(s134^2*s34^2*z34) + (s12*s13*s14*s24*z3)/
    (s134^2*s34^2*z34) - (2*s13^2*s14*s24*z3)/(s134^2*s34^2*z34) + 
   (2*s12*s14^2*s24*z3)/(s134^2*s34^2*z34) - (s13*s14^2*s24*z3)/
    (s134^2*s34^2*z34) - (s13^2*s23*s24*z3)/(s134^2*s34^2*z34) + 
   (s14^2*s23*s24*z3)/(s134^2*s34^2*z34) + (2*s12^2*s23*s24*z3)/
    (s234^2*s34^2*z34) + (3*s12*s13*s23*s24*z3)/(s234^2*s34^2*z34) + 
   (s13^2*s23*s24*z3)/(s234^2*s34^2*z34) + (s12*s14*s23*s24*z3)/
    (s234^2*s34^2*z34) - (s14^2*s23*s24*z3)/(s234^2*s34^2*z34) + 
   (2*s12*s23^2*s24*z3)/(s234^2*s34^2*z34) + (s13*s23^2*s24*z3)/
    (s234^2*s34^2*z34) - (2*s14*s23^2*s24*z3)/(s234^2*s34^2*z34) - 
   (2*s12^2*s13*s24*z3)/(s134*s234*s34^2*z34) - 
   (3*s12*s13^2*s24*z3)/(s134*s234*s34^2*z34) - 
   (s13^3*s24*z3)/(s134*s234*s34^2*z34) - (4*s12^2*s14*s24*z3)/
    (s134*s234*s34^2*z34) - (7*s12*s13*s14*s24*z3)/(s134*s234*s34^2*z34) - 
   (2*s13^2*s14*s24*z3)/(s134*s234*s34^2*z34) - 
   (4*s12*s14^2*s24*z3)/(s134*s234*s34^2*z34) - 
   (s13*s14^2*s24*z3)/(s134*s234*s34^2*z34) - (s12*s13*s23*s24*z3)/
    (s134*s234*s34^2*z34) - (7*s12*s14*s23*s24*z3)/(s134*s234*s34^2*z34) + 
   (s13*s23^2*s24*z3)/(s134*s234*s34^2*z34) - (2*s14*s23^2*s24*z3)/
    (s134*s234*s34^2*z34) - (s13^2*s24^2*z3)/(s134^2*s34^2*z34) - 
   (s13*s14*s24^2*z3)/(s134^2*s34^2*z34) + (2*s12^2*s24^2*z3)/
    (s234^2*s34^2*z34) + (3*s12*s13*s24^2*z3)/(s234^2*s34^2*z34) + 
   (s13^2*s24^2*z3)/(s234^2*s34^2*z34) + (2*s12*s14*s24^2*z3)/
    (s234^2*s34^2*z34) + (s13*s14*s24^2*z3)/(s234^2*s34^2*z34) + 
   (4*s12*s23*s24^2*z3)/(s234^2*s34^2*z34) + (2*s13*s23*s24^2*z3)/
    (s234^2*s34^2*z34) - (s14*s23*s24^2*z3)/(s234^2*s34^2*z34) - 
   (s12*s13*s24^2*z3)/(s134*s234*s34^2*z34) - (4*s12*s14*s24^2*z3)/
    (s134*s234*s34^2*z34) + (2*s13*s23*s24^2*z3)/(s134*s234*s34^2*z34) - 
   (s14*s23*s24^2*z3)/(s134*s234*s34^2*z34) + 
   (2*s12*s24^3*z3)/(s234^2*s34^2*z34) + (s13*s24^3*z3)/(s234^2*s34^2*z34) + 
   (s13*s24^3*z3)/(s134*s234*s34^2*z34) + (2*s12^2*s14*z3)/(s134^2*s34*z34) + 
   (4*s12*s13*s14*z3)/(s134^2*s34*z34) - (2*s12*s13*s14*z3)/
    (s123*s134*s34*z34) + (2*s12*s13*s14*z3)/(s124*s134*s34*z34) - 
   (2*s13^2*s14*z3)/(s123*s134*s34*z34) + (2*s13^2*s14*z3)/
    (s124*s134*s34*z34) + (4*s12*s14^2*z3)/(s134^2*s34*z34) - 
   (2*s12*s14^2*z3)/(s123*s134*s34*z34) + (2*s12*s14^2*z3)/
    (s124*s134*s34*z34) - (4*s13*s14^2*z3)/(s123*s134*s34*z34) + 
   (4*s13*s14^2*z3)/(s124*s134*s34*z34) - (2*s14^3*z3)/(s123*s134*s34*z34) + 
   (2*s14^3*z3)/(s124*s134*s34*z34) + (3*s12*s14*s23*z3)/(s134^2*s34*z34) + 
   (2*s13*s14*s23*z3)/(s134^2*s34*z34) - (2*s13*s14*s23*z3)/
    (s123*s134*s34*z34) + (2*s13*s14*s23*z3)/(s124*s134*s34*z34) + 
   (2*s14^2*s23*z3)/(s134^2*s34*z34) - (2*s14^2*s23*z3)/(s123*s134*s34*z34) + 
   (2*s14^2*s23*z3)/(s124*s134*s34*z34) + (s14*s23^2*z3)/(s134^2*s34*z34) - 
   (s12*s14*s23*z3)/(s234^2*s34*z34) - (s13*s14*s23*z3)/(s234^2*s34*z34) - 
   (s14^2*s23*z3)/(s234^2*s34*z34) - (2*s14*s23^2*z3)/(s234^2*s34*z34) - 
   (2*s12^2*s14*z3)/(s134*s234*s34*z34) - (2*s12*s13*s14*z3)/
    (s134*s234*s34*z34) - (2*s12*s14^2*z3)/(s134*s234*s34*z34) + 
   (2*s12*s14*s23*z3)/(s123*s234*s34*z34) - (2*s12*s14*s23*z3)/
    (s124*s234*s34*z34) + (2*s13*s14*s23*z3)/(s123*s234*s34*z34) - 
   (2*s13*s14*s23*z3)/(s124*s234*s34*z34) - (4*s12*s14*s23*z3)/
    (s134*s234*s34*z34) + (s13*s14*s23*z3)/(s134*s234*s34*z34) + 
   (2*s14^2*s23*z3)/(s123*s234*s34*z34) - (2*s14^2*s23*z3)/
    (s124*s234*s34*z34) + (s14^2*s23*z3)/(s134*s234*s34*z34) + 
   (2*s14*s23^2*z3)/(s123*s234*s34*z34) - (2*s14*s23^2*z3)/
    (s124*s234*s34*z34) - (s14*s23^2*z3)/(s134*s234*s34*z34) - 
   (s12*s13*s24*z3)/(s134^2*s34*z34) - (2*s13^2*s24*z3)/(s134^2*s34*z34) - 
   (2*s12*s13*s24*z3)/(s123*s134*s34*z34) + (2*s12*s13*s24*z3)/
    (s124*s134*s34*z34) - (2*s13^2*s24*z3)/(s123*s134*s34*z34) + 
   (2*s13^2*s24*z3)/(s124*s134*s34*z34) + (2*s12*s14*s24*z3)/
    (s134^2*s34*z34) - (2*s13*s14*s24*z3)/(s134^2*s34*z34) - 
   (2*s12*s14*s24*z3)/(s123*s134*s34*z34) + (2*s12*s14*s24*z3)/
    (s124*s134*s34*z34) - (6*s13*s14*s24*z3)/(s123*s134*s34*z34) + 
   (6*s13*s14*s24*z3)/(s124*s134*s34*z34) - (4*s14^2*s24*z3)/
    (s123*s134*s34*z34) + (4*s14^2*s24*z3)/(s124*s134*s34*z34) - 
   (s13*s23*s24*z3)/(s134^2*s34*z34) - (2*s13*s23*s24*z3)/
    (s123*s134*s34*z34) + (2*s13*s23*s24*z3)/(s124*s134*s34*z34) + 
   (s14*s23*s24*z3)/(s134^2*s34*z34) - (2*s14*s23*s24*z3)/
    (s123*s134*s34*z34) + (2*s14*s23*s24*z3)/(s124*s134*s34*z34) + 
   (2*s12^2*s24*z3)/(s234^2*s34*z34) + (3*s12*s13*s24*z3)/(s234^2*s34*z34) + 
   (s13^2*s24*z3)/(s234^2*s34*z34) + (2*s12*s14*s24*z3)/(s234^2*s34*z34) + 
   (s13*s14*s24*z3)/(s234^2*s34*z34) + (4*s12*s23*s24*z3)/(s234^2*s34*z34) + 
   (2*s13*s23*s24*z3)/(s234^2*s34*z34) - (2*s14*s23*s24*z3)/
    (s234^2*s34*z34) - (2*s12^2*s24*z3)/(s134*s234*s34*z34) - 
   (4*s12*s13*s24*z3)/(s134*s234*s34*z34) - 
   (s13^2*s24*z3)/(s134*s234*s34*z34) + (2*s12*s14*s24*z3)/
    (s123*s234*s34*z34) - (2*s12*s14*s24*z3)/(s124*s234*s34*z34) + 
   (2*s13*s14*s24*z3)/(s123*s234*s34*z34) - (2*s13*s14*s24*z3)/
    (s124*s234*s34*z34) - (8*s12*s14*s24*z3)/(s134*s234*s34*z34) - 
   (s13*s14*s24*z3)/(s134*s234*s34*z34) + (2*s14^2*s24*z3)/
    (s123*s234*s34*z34) - (2*s14^2*s24*z3)/(s124*s234*s34*z34) + 
   (2*s12*s23*s24*z3)/(s123*s234*s34*z34) - (2*s12*s23*s24*z3)/
    (s124*s234*s34*z34) + (2*s13*s23*s24*z3)/(s123*s234*s34*z34) - 
   (2*s13*s23*s24*z3)/(s124*s234*s34*z34) - (2*s12*s23*s24*z3)/
    (s134*s234*s34*z34) + (s13*s23*s24*z3)/(s134*s234*s34*z34) + 
   (6*s14*s23*s24*z3)/(s123*s234*s34*z34) - (6*s14*s23*s24*z3)/
    (s124*s234*s34*z34) - (s14*s23*s24*z3)/(s134*s234*s34*z34) + 
   (2*s23^2*s24*z3)/(s123*s234*s34*z34) - (2*s23^2*s24*z3)/
    (s124*s234*s34*z34) - (s13*s24^2*z3)/(s134^2*s34*z34) - 
   (2*s13*s24^2*z3)/(s123*s134*s34*z34) + (2*s13*s24^2*z3)/
    (s124*s134*s34*z34) - (2*s14*s24^2*z3)/(s123*s134*s34*z34) + 
   (2*s14*s24^2*z3)/(s124*s134*s34*z34) + (4*s12*s24^2*z3)/(s234^2*s34*z34) + 
   (2*s13*s24^2*z3)/(s234^2*s34*z34) + (2*s12*s24^2*z3)/(s123*s234*s34*z34) - 
   (2*s12*s24^2*z3)/(s124*s234*s34*z34) + (2*s13*s24^2*z3)/
    (s123*s234*s34*z34) - (2*s13*s24^2*z3)/(s124*s234*s34*z34) - 
   (2*s12*s24^2*z3)/(s134*s234*s34*z34) + (s13*s24^2*z3)/
    (s134*s234*s34*z34) + (4*s14*s24^2*z3)/(s123*s234*s34*z34) - 
   (4*s14*s24^2*z3)/(s124*s234*s34*z34) + (4*s23*s24^2*z3)/
    (s123*s234*s34*z34) - (4*s23*s24^2*z3)/(s124*s234*s34*z34) + 
   (2*s24^3*z3)/(s123*s234*s34*z34) - (2*s24^3*z3)/(s124*s234*s34*z34) - 
   (2*s14*s34*z3)/(s123*s134*z34) + (2*s14*s34*z3)/(s124*s134*z34) + 
   (2*s14*s34*z3)/(s123*s234*z34) - (2*s14*s34*z3)/(s124*s234*z34) - 
   (2*s24*s34*z3)/(s123*s134*z34) + (2*s24*s34*z3)/(s124*s134*z34) + 
   (2*s24*s34*z3)/(s123*s234*z34) - (2*s24*s34*z3)/(s124*s234*z34) + 
   (s12*s13*z4)/(s123^2*z12) - (s12*s13*z4)/(s124^2*z12) + 
   (2*s13^2*z4)/(s123^2*z12) - (s13^2*z4)/(s124^2*z12) + 
   (s13^2*z4)/(s123*s124*z12) + (s13^3*z4)/(s12*s123^2*z12) + 
   (s13^3*z4)/(s12*s123*s124*z12) + (2*s12^2*z4)/(s123*s134*z12) - 
   (2*s12^2*z4)/(s124*s134*z12) + (4*s12*s13*z4)/(s123*s134*z12) - 
   (2*s12*s13*z4)/(s124*s134*z12) + (2*s13^2*z4)/(s123*s134*z12) + 
   (s13*s14*z4)/(s123^2*z12) - (2*s13*s14*z4)/(s124^2*z12) - 
   (s13*s14*z4)/(s123*s124*z12) + (s13^2*s14*z4)/(s12*s123^2*z12) - 
   (s13^2*s14*z4)/(s12*s124^2*z12) + (2*s12*s14*z4)/(s123*s134*z12) - 
   (4*s12*s14*z4)/(s124*s134*z12) + (2*s13*s14*z4)/(s123*s134*z12) - 
   (2*s13*s14*z4)/(s124*s134*z12) - (s13*s14^2*z4)/(s12*s124^2*z12) - 
   (s13*s14^2*z4)/(s12*s123*s124*z12) - (2*s14^2*z4)/(s124*s134*z12) + 
   (s12*s23*z4)/(s123^2*z12) - (s12*s23*z4)/(s124^2*z12) + 
   (4*s13*s23*z4)/(s123^2*z12) - (2*s13*s23*z4)/(s124^2*z12) + 
   (2*s13*s23*z4)/(s123*s124*z12) + (3*s13^2*s23*z4)/(s12*s123^2*z12) + 
   (3*s13^2*s23*z4)/(s12*s123*s124*z12) + (4*s12*s23*z4)/(s123*s134*z12) - 
   (2*s12*s23*z4)/(s124*s134*z12) + (4*s13*s23*z4)/(s123*s134*z12) + 
   (s14*s23*z4)/(s123^2*z12) - (2*s14*s23*z4)/(s124^2*z12) - 
   (s14*s23*z4)/(s123*s124*z12) + (2*s13*s14*s23*z4)/(s12*s123^2*z12) - 
   (2*s13*s14*s23*z4)/(s12*s124^2*z12) + (2*s14*s23*z4)/(s123*s134*z12) - 
   (2*s14*s23*z4)/(s124*s134*z12) - (s14^2*s23*z4)/(s12*s124^2*z12) - 
   (s14^2*s23*z4)/(s12*s123*s124*z12) + (2*s23^2*z4)/(s123^2*z12) - 
   (s23^2*z4)/(s124^2*z12) + (s23^2*z4)/(s123*s124*z12) + 
   (3*s13*s23^2*z4)/(s12*s123^2*z12) + (3*s13*s23^2*z4)/(s12*s123*s124*z12) + 
   (2*s23^2*z4)/(s123*s134*z12) + (s14*s23^2*z4)/(s12*s123^2*z12) - 
   (s14*s23^2*z4)/(s12*s124^2*z12) + (s23^3*z4)/(s12*s123^2*z12) + 
   (s23^3*z4)/(s12*s123*s124*z12) - (2*s12^2*z4)/(s123*s234*z12) + 
   (2*s12^2*z4)/(s124*s234*z12) - (4*s12*s13*z4)/(s123*s234*z12) + 
   (2*s12*s13*z4)/(s124*s234*z12) - (2*s13^2*z4)/(s123*s234*z12) - 
   (2*s12*s14*z4)/(s123*s234*z12) + (4*s12*s14*z4)/(s124*s234*z12) - 
   (2*s13*s14*z4)/(s123*s234*z12) + (2*s13*s14*z4)/(s124*s234*z12) + 
   (2*s14^2*z4)/(s124*s234*z12) - (4*s12*s23*z4)/(s123*s234*z12) + 
   (2*s12*s23*z4)/(s124*s234*z12) - (4*s13*s23*z4)/(s123*s234*z12) - 
   (2*s14*s23*z4)/(s123*s234*z12) + (2*s14*s23*z4)/(s124*s234*z12) - 
   (2*s23^2*z4)/(s123*s234*z12) + (s13*s24*z4)/(s123^2*z12) - 
   (2*s13*s24*z4)/(s124^2*z12) - (s13*s24*z4)/(s123*s124*z12) + 
   (s13^2*s24*z4)/(s12*s123^2*z12) - (s13^2*s24*z4)/(s12*s124^2*z12) + 
   (2*s12*s24*z4)/(s123*s134*z12) - (4*s12*s24*z4)/(s124*s134*z12) + 
   (2*s13*s24*z4)/(s123*s134*z12) - (2*s13*s24*z4)/(s124*s134*z12) - 
   (2*s13*s14*s24*z4)/(s12*s124^2*z12) - (2*s13*s14*s24*z4)/
    (s12*s123*s124*z12) - (4*s14*s24*z4)/(s124*s134*z12) + 
   (s23*s24*z4)/(s123^2*z12) - (2*s23*s24*z4)/(s124^2*z12) - 
   (s23*s24*z4)/(s123*s124*z12) + (2*s13*s23*s24*z4)/(s12*s123^2*z12) - 
   (2*s13*s23*s24*z4)/(s12*s124^2*z12) + (2*s23*s24*z4)/(s123*s134*z12) - 
   (2*s23*s24*z4)/(s124*s134*z12) - (2*s14*s23*s24*z4)/(s12*s124^2*z12) - 
   (2*s14*s23*s24*z4)/(s12*s123*s124*z12) + (s23^2*s24*z4)/(s12*s123^2*z12) - 
   (s23^2*s24*z4)/(s12*s124^2*z12) - (2*s12*s24*z4)/(s123*s234*z12) + 
   (4*s12*s24*z4)/(s124*s234*z12) - (2*s13*s24*z4)/(s123*s234*z12) + 
   (2*s13*s24*z4)/(s124*s234*z12) + (4*s14*s24*z4)/(s124*s234*z12) - 
   (2*s23*s24*z4)/(s123*s234*z12) + (2*s23*s24*z4)/(s124*s234*z12) - 
   (s13*s24^2*z4)/(s12*s124^2*z12) - (s13*s24^2*z4)/(s12*s123*s124*z12) - 
   (2*s24^2*z4)/(s124*s134*z12) - (s23*s24^2*z4)/(s12*s124^2*z12) - 
   (s23*s24^2*z4)/(s12*s123*s124*z12) + (2*s24^2*z4)/(s124*s234*z12) - 
   (2*s12*s34*z4)/(s124^2*z12) + (2*s12*s34*z4)/(s123*s124*z12) + 
   (s13*s34*z4)/(s123^2*z12) - (3*s13*s34*z4)/(s124^2*z12) + 
   (4*s13*s34*z4)/(s123*s124*z12) + (s13^2*s34*z4)/(s12*s123^2*z12) + 
   (3*s13^2*s34*z4)/(s12*s123*s124*z12) + (2*s12*s34*z4)/(s123*s134*z12) - 
   (2*s12*s34*z4)/(s124*s134*z12) + (2*s13*s34*z4)/(s123*s134*z12) - 
   (4*s14*s34*z4)/(s124^2*z12) + (2*s14*s34*z4)/(s123*s124*z12) - 
   (3*s13*s14*s34*z4)/(s12*s124^2*z12) + (s13*s14*s34*z4)/
    (s12*s123*s124*z12) - (2*s14*s34*z4)/(s124*s134*z12) - 
   (2*s14^2*s34*z4)/(s12*s124^2*z12) + (s23*s34*z4)/(s123^2*z12) - 
   (3*s23*s34*z4)/(s124^2*z12) + (4*s23*s34*z4)/(s123*s124*z12) + 
   (2*s13*s23*s34*z4)/(s12*s123^2*z12) + (6*s13*s23*s34*z4)/
    (s12*s123*s124*z12) + (2*s23*s34*z4)/(s123*s134*z12) - 
   (3*s14*s23*s34*z4)/(s12*s124^2*z12) + (s14*s23*s34*z4)/
    (s12*s123*s124*z12) + (s23^2*s34*z4)/(s12*s123^2*z12) + 
   (3*s23^2*s34*z4)/(s12*s123*s124*z12) - (2*s12*s34*z4)/(s123*s234*z12) + 
   (2*s12*s34*z4)/(s124*s234*z12) - (2*s13*s34*z4)/(s123*s234*z12) + 
   (2*s14*s34*z4)/(s124*s234*z12) - (2*s23*s34*z4)/(s123*s234*z12) - 
   (4*s24*s34*z4)/(s124^2*z12) + (2*s24*s34*z4)/(s123*s124*z12) - 
   (3*s13*s24*s34*z4)/(s12*s124^2*z12) + (s13*s24*s34*z4)/
    (s12*s123*s124*z12) - (2*s24*s34*z4)/(s124*s134*z12) - 
   (4*s14*s24*s34*z4)/(s12*s124^2*z12) - (3*s23*s24*s34*z4)/
    (s12*s124^2*z12) + (s23*s24*s34*z4)/(s12*s123*s124*z12) + 
   (2*s24*s34*z4)/(s124*s234*z12) - (2*s24^2*s34*z4)/(s12*s124^2*z12) - 
   (2*s34^2*z4)/(s124^2*z12) + (2*s34^2*z4)/(s123*s124*z12) + 
   (2*s13*s34^2*z4)/(s12*s123*s124*z12) - (2*s14*s34^2*z4)/(s12*s124^2*z12) + 
   (2*s23*s34^2*z4)/(s12*s123*s124*z12) - (2*s24*s34^2*z4)/(s12*s124^2*z12) - 
   (2*s12^2*z3*z4)/(s134^2*z34^2) - (6*s12*s13*z3*z4)/(s134^2*z34^2) - 
   (6*s12*s14*z3*z4)/(s134^2*z34^2) - (2*s12*s23*z3*z4)/(s134^2*z34^2) - 
   (2*s12^2*z3*z4)/(s234^2*z34^2) - (2*s12*s13*z3*z4)/(s234^2*z34^2) - 
   (2*s12*s14*z3*z4)/(s234^2*z34^2) - (6*s12*s23*z3*z4)/(s234^2*z34^2) + 
   (4*s12^2*z3*z4)/(s134*s234*z34^2) + (8*s12*s13*z3*z4)/(s134*s234*z34^2) + 
   (8*s12*s14*z3*z4)/(s134*s234*z34^2) + (8*s12*s23*z3*z4)/
    (s134*s234*z34^2) - (2*s12*s24*z3*z4)/(s134^2*z34^2) - 
   (6*s12*s24*z3*z4)/(s234^2*z34^2) + (8*s12*s24*z3*z4)/(s134*s234*z34^2) - 
   (2*s12^2*s13^2*z3*z4)/(s134^2*s34^2*z34^2) - 
   (2*s12*s13^3*z3*z4)/(s134^2*s34^2*z34^2) - (4*s12^2*s13*s14*z3*z4)/
    (s134^2*s34^2*z34^2) - (6*s12*s13^2*s14*z3*z4)/(s134^2*s34^2*z34^2) - 
   (2*s12^2*s14^2*z3*z4)/(s134^2*s34^2*z34^2) - (6*s12*s13*s14^2*z3*z4)/
    (s134^2*s34^2*z34^2) - (2*s12*s14^3*z3*z4)/(s134^2*s34^2*z34^2) - 
   (2*s12*s13^2*s23*z3*z4)/(s134^2*s34^2*z34^2) - 
   (4*s12*s13*s14*s23*z3*z4)/(s134^2*s34^2*z34^2) - 
   (2*s12*s14^2*s23*z3*z4)/(s134^2*s34^2*z34^2) - 
   (2*s12^2*s23^2*z3*z4)/(s234^2*s34^2*z34^2) - (2*s12*s13*s23^2*z3*z4)/
    (s234^2*s34^2*z34^2) - (2*s12*s14*s23^2*z3*z4)/(s234^2*s34^2*z34^2) - 
   (2*s12*s23^3*z3*z4)/(s234^2*s34^2*z34^2) + (4*s12^2*s13*s23*z3*z4)/
    (s134*s234*s34^2*z34^2) + (4*s12*s13^2*s23*z3*z4)/
    (s134*s234*s34^2*z34^2) + (4*s12^2*s14*s23*z3*z4)/
    (s134*s234*s34^2*z34^2) + (8*s12*s13*s14*s23*z3*z4)/
    (s134*s234*s34^2*z34^2) + (4*s12*s14^2*s23*z3*z4)/
    (s134*s234*s34^2*z34^2) + (4*s12*s13*s23^2*z3*z4)/
    (s134*s234*s34^2*z34^2) + (4*s12*s14*s23^2*z3*z4)/
    (s134*s234*s34^2*z34^2) - (2*s12*s13^2*s24*z3*z4)/(s134^2*s34^2*z34^2) - 
   (4*s12*s13*s14*s24*z3*z4)/(s134^2*s34^2*z34^2) - 
   (2*s12*s14^2*s24*z3*z4)/(s134^2*s34^2*z34^2) - 
   (4*s12^2*s23*s24*z3*z4)/(s234^2*s34^2*z34^2) - 
   (4*s12*s13*s23*s24*z3*z4)/(s234^2*s34^2*z34^2) - 
   (4*s12*s14*s23*s24*z3*z4)/(s234^2*s34^2*z34^2) - 
   (6*s12*s23^2*s24*z3*z4)/(s234^2*s34^2*z34^2) + 
   (4*s12^2*s13*s24*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (4*s12*s13^2*s24*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (4*s12^2*s14*s24*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (8*s12*s13*s14*s24*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (4*s12*s14^2*s24*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (8*s12*s13*s23*s24*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (8*s12*s14*s23*s24*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (2*s12^2*s24^2*z3*z4)/(s234^2*s34^2*z34^2) - (2*s12*s13*s24^2*z3*z4)/
    (s234^2*s34^2*z34^2) - (2*s12*s14*s24^2*z3*z4)/(s234^2*s34^2*z34^2) - 
   (6*s12*s23*s24^2*z3*z4)/(s234^2*s34^2*z34^2) + 
   (4*s12*s13*s24^2*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (4*s12*s14*s24^2*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (2*s12*s24^3*z3*z4)/(s234^2*s34^2*z34^2) - (4*s12^2*s13*z3*z4)/
    (s134^2*s34*z34^2) - (6*s12*s13^2*z3*z4)/(s134^2*s34*z34^2) - 
   (4*s12^2*s14*z3*z4)/(s134^2*s34*z34^2) - (12*s12*s13*s14*z3*z4)/
    (s134^2*s34*z34^2) - (6*s12*s14^2*z3*z4)/(s134^2*s34*z34^2) - 
   (4*s12*s13*s23*z3*z4)/(s134^2*s34*z34^2) - (4*s12*s14*s23*z3*z4)/
    (s134^2*s34*z34^2) - (4*s12^2*s23*z3*z4)/(s234^2*s34*z34^2) - 
   (4*s12*s13*s23*z3*z4)/(s234^2*s34*z34^2) - (4*s12*s14*s23*z3*z4)/
    (s234^2*s34*z34^2) - (6*s12*s23^2*z3*z4)/(s234^2*s34*z34^2) + 
   (4*s12^2*s13*z3*z4)/(s134*s234*s34*z34^2) + (4*s12*s13^2*z3*z4)/
    (s134*s234*s34*z34^2) + (4*s12^2*s14*z3*z4)/(s134*s234*s34*z34^2) + 
   (8*s12*s13*s14*z3*z4)/(s134*s234*s34*z34^2) + 
   (4*s12*s14^2*z3*z4)/(s134*s234*s34*z34^2) + (4*s12^2*s23*z3*z4)/
    (s134*s234*s34*z34^2) + (12*s12*s13*s23*z3*z4)/(s134*s234*s34*z34^2) + 
   (12*s12*s14*s23*z3*z4)/(s134*s234*s34*z34^2) + 
   (4*s12*s23^2*z3*z4)/(s134*s234*s34*z34^2) - (4*s12*s13*s24*z3*z4)/
    (s134^2*s34*z34^2) - (4*s12*s14*s24*z3*z4)/(s134^2*s34*z34^2) - 
   (4*s12^2*s24*z3*z4)/(s234^2*s34*z34^2) - (4*s12*s13*s24*z3*z4)/
    (s234^2*s34*z34^2) - (4*s12*s14*s24*z3*z4)/(s234^2*s34*z34^2) - 
   (12*s12*s23*s24*z3*z4)/(s234^2*s34*z34^2) + (4*s12^2*s24*z3*z4)/
    (s134*s234*s34*z34^2) + (12*s12*s13*s24*z3*z4)/(s134*s234*s34*z34^2) + 
   (12*s12*s14*s24*z3*z4)/(s134*s234*s34*z34^2) + 
   (8*s12*s23*s24*z3*z4)/(s134*s234*s34*z34^2) - 
   (6*s12*s24^2*z3*z4)/(s234^2*s34*z34^2) + (4*s12*s24^2*z3*z4)/
    (s134*s234*s34*z34^2) - (2*s12*s34*z3*z4)/(s134^2*z34^2) - 
   (2*s12*s34*z3*z4)/(s234^2*z34^2) + (4*s12*s34*z3*z4)/(s134*s234*z34^2) + 
   (2*s12*s13*z4)/(s134^2*z34) - (2*s12*s13*z4)/(s123*s134*z34) + 
   (2*s12*s13*z4)/(s124*s134*z34) - (4*s13^2*z4)/(s123*s134*z34) + 
   (4*s13^2*z4)/(s124*s134*z34) - (4*s13*s14*z4)/(s123*s134*z34) + 
   (4*s13*s14*z4)/(s124*s134*z34) - (2*s12*s23*z4)/(s123*s134*z34) + 
   (2*s12*s23*z4)/(s124*s134*z34) - (6*s13*s23*z4)/(s123*s134*z34) + 
   (6*s13*s23*z4)/(s124*s134*z34) - (s14*s23*z4)/(s134^2*z34) - 
   (4*s14*s23*z4)/(s123*s134*z34) + (4*s14*s23*z4)/(s124*s134*z34) - 
   (2*s23^2*z4)/(s123*s134*z34) + (2*s23^2*z4)/(s124*s134*z34) + 
   (2*s12*s23*z4)/(s234^2*z34) + (s14*s23*z4)/(s234^2*z34) + 
   (2*s12*s13*z4)/(s123*s234*z34) - (2*s12*s13*z4)/(s124*s234*z34) + 
   (2*s13^2*z4)/(s123*s234*z34) - (2*s13^2*z4)/(s124*s234*z34) - 
   (2*s12*s13*z4)/(s134*s234*z34) + (2*s13*s14*z4)/(s123*s234*z34) - 
   (2*s13*s14*z4)/(s124*s234*z34) + (2*s12*s23*z4)/(s123*s234*z34) - 
   (2*s12*s23*z4)/(s124*s234*z34) + (6*s13*s23*z4)/(s123*s234*z34) - 
   (6*s13*s23*z4)/(s124*s234*z34) - (2*s12*s23*z4)/(s134*s234*z34) + 
   (2*s14*s23*z4)/(s123*s234*z34) - (2*s14*s23*z4)/(s124*s234*z34) + 
   (4*s23^2*z4)/(s123*s234*z34) - (4*s23^2*z4)/(s124*s234*z34) + 
   (s13*s24*z4)/(s134^2*z34) - (2*s13*s24*z4)/(s123*s134*z34) + 
   (2*s13*s24*z4)/(s124*s134*z34) - (2*s23*s24*z4)/(s123*s134*z34) + 
   (2*s23*s24*z4)/(s124*s134*z34) - (s13*s24*z4)/(s234^2*z34) + 
   (4*s13*s24*z4)/(s123*s234*z34) - (4*s13*s24*z4)/(s124*s234*z34) + 
   (4*s23*s24*z4)/(s123*s234*z34) - (4*s23*s24*z4)/(s124*s234*z34) + 
   (2*s12^2*s13^2*z4)/(s134^2*s34^2*z34) + (2*s12*s13^3*z4)/
    (s134^2*s34^2*z34) + (2*s12^2*s13*s14*z4)/(s134^2*s34^2*z34) + 
   (4*s12*s13^2*s14*z4)/(s134^2*s34^2*z34) + (2*s12*s13*s14^2*z4)/
    (s134^2*s34^2*z34) + (2*s12*s13^2*s23*z4)/(s134^2*s34^2*z34) + 
   (s12*s13*s14*s23*z4)/(s134^2*s34^2*z34) - (s13^2*s14*s23*z4)/
    (s134^2*s34^2*z34) - (s12*s14^2*s23*z4)/(s134^2*s34^2*z34) - 
   (2*s13*s14^2*s23*z4)/(s134^2*s34^2*z34) - 
   (s14^3*s23*z4)/(s134^2*s34^2*z34) - (s13*s14*s23^2*z4)/
    (s134^2*s34^2*z34) - (s14^2*s23^2*z4)/(s134^2*s34^2*z34) + 
   (2*s12^2*s23^2*z4)/(s234^2*s34^2*z34) + (2*s12*s13*s23^2*z4)/
    (s234^2*s34^2*z34) + (3*s12*s14*s23^2*z4)/(s234^2*s34^2*z34) + 
   (s13*s14*s23^2*z4)/(s234^2*s34^2*z34) + (s14^2*s23^2*z4)/
    (s234^2*s34^2*z34) + (2*s12*s23^3*z4)/(s234^2*s34^2*z34) + 
   (s14*s23^3*z4)/(s234^2*s34^2*z34) - (4*s12^2*s13*s23*z4)/
    (s134*s234*s34^2*z34) - (4*s12*s13^2*s23*z4)/(s134*s234*s34^2*z34) - 
   (2*s12^2*s14*s23*z4)/(s134*s234*s34^2*z34) - (7*s12*s13*s14*s23*z4)/
    (s134*s234*s34^2*z34) - (s13^2*s14*s23*z4)/(s134*s234*s34^2*z34) - 
   (3*s12*s14^2*s23*z4)/(s134*s234*s34^2*z34) - 
   (2*s13*s14^2*s23*z4)/(s134*s234*s34^2*z34) - 
   (s14^3*s23*z4)/(s134*s234*s34^2*z34) - (4*s12*s13*s23^2*z4)/
    (s134*s234*s34^2*z34) - (s12*s14*s23^2*z4)/(s134*s234*s34^2*z34) + 
   (s14*s23^3*z4)/(s134*s234*s34^2*z34) + (3*s12*s13^2*s24*z4)/
    (s134^2*s34^2*z34) + (s13^3*s24*z4)/(s134^2*s34^2*z34) + 
   (3*s12*s13*s14*s24*z4)/(s134^2*s34^2*z34) + (2*s13^2*s14*s24*z4)/
    (s134^2*s34^2*z34) + (s13*s14^2*s24*z4)/(s134^2*s34^2*z34) + 
   (s13^2*s23*s24*z4)/(s134^2*s34^2*z34) - (s14^2*s23*s24*z4)/
    (s134^2*s34^2*z34) + (2*s12^2*s23*s24*z4)/(s234^2*s34^2*z34) + 
   (s12*s13*s23*s24*z4)/(s234^2*s34^2*z34) - (s13^2*s23*s24*z4)/
    (s234^2*s34^2*z34) + (3*s12*s14*s23*s24*z4)/(s234^2*s34^2*z34) + 
   (s14^2*s23*s24*z4)/(s234^2*s34^2*z34) + (4*s12*s23^2*s24*z4)/
    (s234^2*s34^2*z34) - (s13*s23^2*s24*z4)/(s234^2*s34^2*z34) + 
   (2*s14*s23^2*s24*z4)/(s234^2*s34^2*z34) - (2*s12^2*s13*s24*z4)/
    (s134*s234*s34^2*z34) - (s12*s13^2*s24*z4)/(s134*s234*s34^2*z34) + 
   (s13^3*s24*z4)/(s134*s234*s34^2*z34) - (s12*s13*s14*s24*z4)/
    (s134*s234*s34^2*z34) + (2*s13^2*s14*s24*z4)/(s134*s234*s34^2*z34) + 
   (s13*s14^2*s24*z4)/(s134*s234*s34^2*z34) - (7*s12*s13*s23*s24*z4)/
    (s134*s234*s34^2*z34) - (s12*s14*s23*s24*z4)/(s134*s234*s34^2*z34) - 
   (s13*s23^2*s24*z4)/(s134*s234*s34^2*z34) + (2*s14*s23^2*s24*z4)/
    (s134*s234*s34^2*z34) + (s13^2*s24^2*z4)/(s134^2*s34^2*z34) + 
   (s13*s14*s24^2*z4)/(s134^2*s34^2*z34) - (s12*s13*s24^2*z4)/
    (s234^2*s34^2*z34) - (s13^2*s24^2*z4)/(s234^2*s34^2*z34) - 
   (s13*s14*s24^2*z4)/(s234^2*s34^2*z34) + (2*s12*s23*s24^2*z4)/
    (s234^2*s34^2*z34) - (2*s13*s23*s24^2*z4)/(s234^2*s34^2*z34) + 
   (s14*s23*s24^2*z4)/(s234^2*s34^2*z34) - (3*s12*s13*s24^2*z4)/
    (s134*s234*s34^2*z34) - (2*s13*s23*s24^2*z4)/(s134*s234*s34^2*z34) + 
   (s14*s23*s24^2*z4)/(s134*s234*s34^2*z34) - 
   (s13*s24^3*z4)/(s234^2*s34^2*z34) - (s13*s24^3*z4)/(s134*s234*s34^2*z34) + 
   (2*s12^2*s13*z4)/(s134^2*s34*z34) + (4*s12*s13^2*z4)/(s134^2*s34*z34) - 
   (2*s12*s13^2*z4)/(s123*s134*s34*z34) + (2*s12*s13^2*z4)/
    (s124*s134*s34*z34) - (2*s13^3*z4)/(s123*s134*s34*z34) + 
   (2*s13^3*z4)/(s124*s134*s34*z34) + (4*s12*s13*s14*z4)/(s134^2*s34*z34) - 
   (2*s12*s13*s14*z4)/(s123*s134*s34*z34) + (2*s12*s13*s14*z4)/
    (s124*s134*s34*z34) - (4*s13^2*s14*z4)/(s123*s134*s34*z34) + 
   (4*s13^2*s14*z4)/(s124*s134*s34*z34) - (2*s13*s14^2*z4)/
    (s123*s134*s34*z34) + (2*s13*s14^2*z4)/(s124*s134*s34*z34) + 
   (2*s12*s13*s23*z4)/(s134^2*s34*z34) - (2*s12*s13*s23*z4)/
    (s123*s134*s34*z34) + (2*s12*s13*s23*z4)/(s124*s134*s34*z34) - 
   (4*s13^2*s23*z4)/(s123*s134*s34*z34) + (4*s13^2*s23*z4)/
    (s124*s134*s34*z34) - (s12*s14*s23*z4)/(s134^2*s34*z34) - 
   (2*s13*s14*s23*z4)/(s134^2*s34*z34) - (2*s12*s14*s23*z4)/
    (s123*s134*s34*z34) + (2*s12*s14*s23*z4)/(s124*s134*s34*z34) - 
   (6*s13*s14*s23*z4)/(s123*s134*s34*z34) + (6*s13*s14*s23*z4)/
    (s124*s134*s34*z34) - (2*s14^2*s23*z4)/(s134^2*s34*z34) - 
   (2*s14^2*s23*z4)/(s123*s134*s34*z34) + (2*s14^2*s23*z4)/
    (s124*s134*s34*z34) - (2*s13*s23^2*z4)/(s123*s134*s34*z34) + 
   (2*s13*s23^2*z4)/(s124*s134*s34*z34) - (s14*s23^2*z4)/(s134^2*s34*z34) - 
   (2*s14*s23^2*z4)/(s123*s134*s34*z34) + (2*s14*s23^2*z4)/
    (s124*s134*s34*z34) + (2*s12^2*s23*z4)/(s234^2*s34*z34) + 
   (2*s12*s13*s23*z4)/(s234^2*s34*z34) + (3*s12*s14*s23*z4)/
    (s234^2*s34*z34) + (s13*s14*s23*z4)/(s234^2*s34*z34) + 
   (s14^2*s23*z4)/(s234^2*s34*z34) + (4*s12*s23^2*z4)/(s234^2*s34*z34) + 
   (2*s14*s23^2*z4)/(s234^2*s34*z34) - (2*s12^2*s13*z4)/(s134*s234*s34*z34) - 
   (2*s12*s13^2*z4)/(s134*s234*s34*z34) - (2*s12*s13*s14*z4)/
    (s134*s234*s34*z34) + (2*s12*s13*s23*z4)/(s123*s234*s34*z34) - 
   (2*s12*s13*s23*z4)/(s124*s234*s34*z34) + (2*s13^2*s23*z4)/
    (s123*s234*s34*z34) - (2*s13^2*s23*z4)/(s124*s234*s34*z34) - 
   (2*s12^2*s23*z4)/(s134*s234*s34*z34) - (8*s12*s13*s23*z4)/
    (s134*s234*s34*z34) + (2*s13*s14*s23*z4)/(s123*s234*s34*z34) - 
   (2*s13*s14*s23*z4)/(s124*s234*s34*z34) - (4*s12*s14*s23*z4)/
    (s134*s234*s34*z34) - (s13*s14*s23*z4)/(s134*s234*s34*z34) - 
   (s14^2*s23*z4)/(s134*s234*s34*z34) + (2*s12*s23^2*z4)/
    (s123*s234*s34*z34) - (2*s12*s23^2*z4)/(s124*s234*s34*z34) + 
   (4*s13*s23^2*z4)/(s123*s234*s34*z34) - (4*s13*s23^2*z4)/
    (s124*s234*s34*z34) - (2*s12*s23^2*z4)/(s134*s234*s34*z34) + 
   (2*s14*s23^2*z4)/(s123*s234*s34*z34) - (2*s14*s23^2*z4)/
    (s124*s234*s34*z34) + (s14*s23^2*z4)/(s134*s234*s34*z34) + 
   (2*s23^3*z4)/(s123*s234*s34*z34) - (2*s23^3*z4)/(s124*s234*s34*z34) + 
   (3*s12*s13*s24*z4)/(s134^2*s34*z34) + (2*s13^2*s24*z4)/(s134^2*s34*z34) - 
   (2*s13^2*s24*z4)/(s123*s134*s34*z34) + (2*s13^2*s24*z4)/
    (s124*s134*s34*z34) + (2*s13*s14*s24*z4)/(s134^2*s34*z34) - 
   (2*s13*s14*s24*z4)/(s123*s134*s34*z34) + (2*s13*s14*s24*z4)/
    (s124*s134*s34*z34) + (s13*s23*s24*z4)/(s134^2*s34*z34) - 
   (2*s13*s23*s24*z4)/(s123*s134*s34*z34) + (2*s13*s23*s24*z4)/
    (s124*s134*s34*z34) - (s14*s23*s24*z4)/(s134^2*s34*z34) - 
   (2*s14*s23*s24*z4)/(s123*s134*s34*z34) + (2*s14*s23*s24*z4)/
    (s124*s134*s34*z34) - (s12*s13*s24*z4)/(s234^2*s34*z34) - 
   (s13^2*s24*z4)/(s234^2*s34*z34) - (s13*s14*s24*z4)/(s234^2*s34*z34) + 
   (4*s12*s23*s24*z4)/(s234^2*s34*z34) - (2*s13*s23*s24*z4)/
    (s234^2*s34*z34) + (2*s14*s23*s24*z4)/(s234^2*s34*z34) + 
   (2*s12*s13*s24*z4)/(s123*s234*s34*z34) - (2*s12*s13*s24*z4)/
    (s124*s234*s34*z34) + (2*s13^2*s24*z4)/(s123*s234*s34*z34) - 
   (2*s13^2*s24*z4)/(s124*s234*s34*z34) - (4*s12*s13*s24*z4)/
    (s134*s234*s34*z34) + (s13^2*s24*z4)/(s134*s234*s34*z34) + 
   (2*s13*s14*s24*z4)/(s123*s234*s34*z34) - (2*s13*s14*s24*z4)/
    (s124*s234*s34*z34) + (s13*s14*s24*z4)/(s134*s234*s34*z34) + 
   (2*s12*s23*s24*z4)/(s123*s234*s34*z34) - (2*s12*s23*s24*z4)/
    (s124*s234*s34*z34) + (6*s13*s23*s24*z4)/(s123*s234*s34*z34) - 
   (6*s13*s23*s24*z4)/(s124*s234*s34*z34) - (2*s12*s23*s24*z4)/
    (s134*s234*s34*z34) - (s13*s23*s24*z4)/(s134*s234*s34*z34) + 
   (2*s14*s23*s24*z4)/(s123*s234*s34*z34) - (2*s14*s23*s24*z4)/
    (s124*s234*s34*z34) + (s14*s23*s24*z4)/(s134*s234*s34*z34) + 
   (4*s23^2*s24*z4)/(s123*s234*s34*z34) - (4*s23^2*s24*z4)/
    (s124*s234*s34*z34) + (s13*s24^2*z4)/(s134^2*s34*z34) - 
   (2*s13*s24^2*z4)/(s234^2*s34*z34) + (2*s13*s24^2*z4)/(s123*s234*s34*z34) - 
   (2*s13*s24^2*z4)/(s124*s234*s34*z34) - (s13*s24^2*z4)/
    (s134*s234*s34*z34) + (2*s23*s24^2*z4)/(s123*s234*s34*z34) - 
   (2*s23*s24^2*z4)/(s124*s234*s34*z34) - (2*s13*s34*z4)/(s123*s134*z34) + 
   (2*s13*s34*z4)/(s124*s134*z34) - (2*s23*s34*z4)/(s123*s134*z34) + 
   (2*s23*s34*z4)/(s124*s134*z34) + (2*s13*s34*z4)/(s123*s234*z34) - 
   (2*s13*s34*z4)/(s124*s234*z34) + (2*s23*s34*z4)/(s123*s234*z34) - 
   (2*s23*s34*z4)/(s124*s234*z34)) + 
 k1k1*((-2*D*s23)/(s123*s134) - (8*s23)/(s124*s134) + (2*D*s23)/(s124*s134) - 
   (2*D*s13*s23)/(s12*s123*s134) - (8*s13*s23)/(s12*s124*s134) + 
   (2*D*s13*s23)/(s12*s124*s134) - (2*D*s14*s23)/(s12*s123*s134) - 
   (16*s14*s23)/(s12*s124*s134) + (2*D*s14*s23)/(s12*s124*s134) - 
   (2*D*s23^2)/(s12*s123*s134) - (8*s23^2)/(s12*s124*s134) + 
   (2*D*s23^2)/(s12*s124*s134) + (8*s23)/(s123*s234) - 
   (2*D*s23)/(s123*s234) - (8*s23)/(s124*s234) + (2*D*s23)/(s124*s234) + 
   (8*s13*s23)/(s12*s123*s234) - (2*D*s13*s23)/(s12*s123*s234) - 
   (8*s13*s23)/(s12*s124*s234) + (2*D*s13*s23)/(s12*s124*s234) - 
   (4*s23)/(s134*s234) + (8*s14*s23)/(s12*s123*s234) - 
   (2*D*s14*s23)/(s12*s123*s234) - (8*s14*s23)/(s12*s124*s234) + 
   (2*D*s14*s23)/(s12*s124*s234) + (8*s23^2)/(s12*s123*s234) - 
   (2*D*s23^2)/(s12*s123*s234) - (8*s23^2)/(s12*s124*s234) + 
   (2*D*s23^2)/(s12*s124*s234) + (8*s24)/(s123*s134) - 
   (2*D*s24)/(s123*s134) + (2*D*s24)/(s124*s134) + 
   (16*s13*s24)/(s12*s123*s134) - (2*D*s13*s24)/(s12*s123*s134) + 
   (2*D*s13*s24)/(s12*s124*s134) + (8*s14*s24)/(s12*s123*s134) - 
   (2*D*s14*s24)/(s12*s123*s134) + (2*D*s14*s24)/(s12*s124*s134) + 
   (8*s23*s24)/(s12*s123*s124) + (8*s13*s23*s24)/(s12^2*s123*s124) + 
   (8*s23*s24)/(s12*s123*s134) - (4*D*s23*s24)/(s12*s123*s134) - 
   (8*s23*s24)/(s12*s124*s134) + (4*D*s23*s24)/(s12*s124*s134) + 
   (8*s14*s23*s24)/(s12^2*s123*s124) + (8*s23^2*s24)/(s12^2*s123*s124) + 
   (8*s24)/(s123*s234) - (2*D*s24)/(s123*s234) - (8*s24)/(s124*s234) + 
   (2*D*s24)/(s124*s234) + (8*s13*s24)/(s12*s123*s234) - 
   (2*D*s13*s24)/(s12*s123*s234) - (8*s13*s24)/(s12*s124*s234) + 
   (2*D*s13*s24)/(s12*s124*s234) - (4*s24)/(s134*s234) + 
   (8*s14*s24)/(s12*s123*s234) - (2*D*s14*s24)/(s12*s123*s234) - 
   (8*s14*s24)/(s12*s124*s234) + (2*D*s14*s24)/(s12*s124*s234) + 
   (8*s23*s24)/(s12*s123*s234) - (4*D*s23*s24)/(s12*s123*s234) - 
   (8*s23*s24)/(s12*s124*s234) + (4*D*s23*s24)/(s12*s124*s234) + 
   (8*s24^2)/(s12*s123*s134) - (2*D*s24^2)/(s12*s123*s134) + 
   (2*D*s24^2)/(s12*s124*s134) + (8*s23*s24^2)/(s12^2*s123*s124) + 
   (8*s24^2)/(s12*s123*s234) - (2*D*s24^2)/(s12*s123*s234) - 
   (8*s24^2)/(s12*s124*s234) + (2*D*s24^2)/(s12*s124*s234) - 
   (8*s14*s23)/(s124*s134*s34) - (8*s13*s14*s23)/(s12*s124*s134*s34) - 
   (8*s14^2*s23)/(s12*s124*s134*s34) - (8*s14*s23^2)/(s12*s124*s134*s34) - 
   (4*s12*s23)/(s134*s234*s34) - (4*s13*s23)/(s134*s234*s34) - 
   (4*s14*s23)/(s134*s234*s34) - (4*s23^2)/(s134*s234*s34) + 
   (8*s13*s24)/(s123*s134*s34) + (8*s13^2*s24)/(s12*s123*s134*s34) + 
   (8*s13*s14*s24)/(s12*s123*s134*s34) + (8*s13*s23*s24)/
    (s12*s123*s134*s34) - (8*s14*s23*s24)/(s12*s124*s134*s34) - 
   (4*s12*s24)/(s134*s234*s34) - (4*s13*s24)/(s134*s234*s34) - 
   (4*s14*s24)/(s134*s234*s34) - (8*s23*s24)/(s123*s234*s34) + 
   (8*s23*s24)/(s124*s234*s34) - (8*s13*s23*s24)/(s12*s123*s234*s34) + 
   (8*s13*s23*s24)/(s12*s124*s234*s34) - (8*s23*s24)/(s134*s234*s34) - 
   (8*s14*s23*s24)/(s12*s123*s234*s34) + (8*s14*s23*s24)/
    (s12*s124*s234*s34) - (8*s23^2*s24)/(s12*s123*s234*s34) + 
   (8*s23^2*s24)/(s12*s124*s234*s34) + (8*s13*s24^2)/(s12*s123*s134*s34) - 
   (4*s24^2)/(s134*s234*s34) - (8*s23*s24^2)/(s12*s123*s234*s34) + 
   (8*s23*s24^2)/(s12*s124*s234*s34) + (8*s34)/(s123*s124) - 
   (2*D*s34)/(s123*s124) + (8*s13*s34)/(s12*s123*s124) - 
   (2*D*s13*s34)/(s12*s123*s124) + (8*s14*s34)/(s12*s123*s124) - 
   (2*D*s14*s34)/(s12*s123*s124) + (8*s23*s34)/(s12*s123*s124) - 
   (2*D*s23*s34)/(s12*s123*s124) - (2*D*s23*s34)/(s12*s123*s134) - 
   (8*s23*s34)/(s12*s124*s134) + (2*D*s23*s34)/(s12*s124*s134) + 
   (8*s23*s34)/(s12*s123*s234) - (2*D*s23*s34)/(s12*s123*s234) - 
   (8*s23*s34)/(s12*s124*s234) + (2*D*s23*s34)/(s12*s124*s234) + 
   (8*s24*s34)/(s12*s123*s124) - (2*D*s24*s34)/(s12*s123*s124) + 
   (8*s24*s34)/(s12*s123*s134) - (2*D*s24*s34)/(s12*s123*s134) + 
   (2*D*s24*s34)/(s12*s124*s134) + (8*s23*s24*s34)/(s12^2*s123*s124) + 
   (8*s24*s34)/(s12*s123*s234) - (2*D*s24*s34)/(s12*s123*s234) - 
   (8*s24*s34)/(s12*s124*s234) + (2*D*s24*s34)/(s12*s124*s234) + 
   (8*s34^2)/(s12*s123*s124) - (2*D*s34^2)/(s12*s123*s124) + 
   (8*s12*z2)/(s123*s134*z12) - (8*s12*z2)/(s124*s134*z12) + 
   (16*s13*z2)/(s123*s134*z12) - (8*s13*z2)/(s124*s134*z12) + 
   (8*s13^2*z2)/(s12*s123*s134*z12) + (8*s14*z2)/(s123*s134*z12) - 
   (16*s14*z2)/(s124*s134*z12) + (8*s13*s14*z2)/(s12*s123*s134*z12) - 
   (8*s13*s14*z2)/(s12*s124*s134*z12) - (8*s14^2*z2)/(s12*s124*s134*z12) + 
   (16*s23*z2)/(s123*s134*z12) - (8*s23*z2)/(s124*s134*z12) + 
   (16*s13*s23*z2)/(s12*s123*s134*z12) + (8*s14*s23*z2)/(s12*s123*s134*z12) - 
   (8*s14*s23*z2)/(s12*s124*s134*z12) + (8*s23^2*z2)/(s12*s123*s134*z12) + 
   (8*s24*z2)/(s123*s134*z12) - (16*s24*z2)/(s124*s134*z12) + 
   (8*s13*s24*z2)/(s12*s123*s134*z12) - (8*s13*s24*z2)/(s12*s124*s134*z12) - 
   (16*s14*s24*z2)/(s12*s124*s134*z12) + (8*s23*s24*z2)/(s12*s123*s134*z12) - 
   (8*s23*s24*z2)/(s12*s124*s134*z12) - (8*s24^2*z2)/(s12*s124*s134*z12) + 
   (8*s34*z2)/(s123*s134*z12) - (8*s34*z2)/(s124*s134*z12) + 
   (8*s13*s34*z2)/(s12*s123*s134*z12) - (8*s14*s34*z2)/(s12*s124*s134*z12) + 
   (8*s23*s34*z2)/(s12*s123*s134*z12) - (8*s24*s34*z2)/(s12*s124*s134*z12) + 
   (4*s13*z2)/(s123*s134*z34) - (4*s13*z2)/(s124*s134*z34) + 
   (4*s13^2*z2)/(s12*s123*s134*z34) - (4*s13^2*z2)/(s12*s124*s134*z34) + 
   (4*s14*z2)/(s123*s134*z34) - (4*s14*z2)/(s124*s134*z34) + 
   (8*s13*s14*z2)/(s12*s123*s134*z34) - (8*s13*s14*z2)/(s12*s124*s134*z34) + 
   (4*s14^2*z2)/(s12*s123*s134*z34) - (4*s14^2*z2)/(s12*s124*s134*z34) + 
   (4*s13*s23*z2)/(s12*s123*s134*z34) - (4*s13*s23*z2)/(s12*s124*s134*z34) + 
   (4*s14*s23*z2)/(s12*s123*s134*z34) - (4*s14*s23*z2)/(s12*s124*s134*z34) - 
   (4*s23*z2)/(s123*s234*z34) + (4*s23*z2)/(s124*s234*z34) - 
   (4*s13*s23*z2)/(s12*s123*s234*z34) + (4*s13*s23*z2)/(s12*s124*s234*z34) - 
   (4*s14*s23*z2)/(s12*s123*s234*z34) + (4*s14*s23*z2)/(s12*s124*s234*z34) - 
   (4*s23^2*z2)/(s12*s123*s234*z34) + (4*s23^2*z2)/(s12*s124*s234*z34) + 
   (4*s13*s24*z2)/(s12*s123*s134*z34) - (4*s13*s24*z2)/(s12*s124*s134*z34) + 
   (4*s14*s24*z2)/(s12*s123*s134*z34) - (4*s14*s24*z2)/(s12*s124*s134*z34) - 
   (4*s24*z2)/(s123*s234*z34) + (4*s24*z2)/(s124*s234*z34) - 
   (4*s13*s24*z2)/(s12*s123*s234*z34) + (4*s13*s24*z2)/(s12*s124*s234*z34) - 
   (4*s14*s24*z2)/(s12*s123*s234*z34) + (4*s14*s24*z2)/(s12*s124*s234*z34) - 
   (8*s23*s24*z2)/(s12*s123*s234*z34) + (8*s23*s24*z2)/(s12*s124*s234*z34) - 
   (4*s24^2*z2)/(s12*s123*s234*z34) + (4*s24^2*z2)/(s12*s124*s234*z34) + 
   (4*s34*z2)/(s123*s134*z34) - (4*s34*z2)/(s124*s134*z34) + 
   (8*s13*s34*z2)/(s12*s123*s134*z34) - (8*s13*s34*z2)/(s12*s124*s134*z34) + 
   (8*s14*s34*z2)/(s12*s123*s134*z34) - (8*s14*s34*z2)/(s12*s124*s134*z34) + 
   (4*s23*s34*z2)/(s12*s123*s134*z34) - (4*s23*s34*z2)/(s12*s124*s134*z34) - 
   (4*s34*z2)/(s123*s234*z34) + (4*s34*z2)/(s124*s234*z34) - 
   (4*s13*s34*z2)/(s12*s123*s234*z34) + (4*s13*s34*z2)/(s12*s124*s234*z34) - 
   (4*s14*s34*z2)/(s12*s123*s234*z34) + (4*s14*s34*z2)/(s12*s124*s234*z34) - 
   (8*s23*s34*z2)/(s12*s123*s234*z34) + (8*s23*s34*z2)/(s12*s124*s234*z34) + 
   (4*s24*s34*z2)/(s12*s123*s134*z34) - (4*s24*s34*z2)/(s12*s124*s134*z34) - 
   (8*s24*s34*z2)/(s12*s123*s234*z34) + (8*s24*s34*z2)/(s12*s124*s234*z34) + 
   (4*s34^2*z2)/(s12*s123*s134*z34) - (4*s34^2*z2)/(s12*s124*s134*z34) - 
   (4*s34^2*z2)/(s12*s123*s234*z34) + (4*s34^2*z2)/(s12*s124*s234*z34) - 
   (4*s24*z3)/(s123*s134*z34) + (4*s24*z3)/(s124*s134*z34) - 
   (8*s13*s24*z3)/(s12*s123*s134*z34) + (8*s13*s24*z3)/(s12*s124*s134*z34) - 
   (8*s14*s24*z3)/(s12*s123*s134*z34) + (8*s14*s24*z3)/(s12*s124*s134*z34) - 
   (4*s23*s24*z3)/(s12*s123*s134*z34) + (4*s23*s24*z3)/(s12*s124*s134*z34) + 
   (4*s24*z3)/(s123*s234*z34) - (4*s24*z3)/(s124*s234*z34) + 
   (4*s13*s24*z3)/(s12*s123*s234*z34) - (4*s13*s24*z3)/(s12*s124*s234*z34) + 
   (4*s14*s24*z3)/(s12*s123*s234*z34) - (4*s14*s24*z3)/(s12*s124*s234*z34) + 
   (8*s23*s24*z3)/(s12*s123*s234*z34) - (8*s23*s24*z3)/(s12*s124*s234*z34) - 
   (4*s24^2*z3)/(s12*s123*s134*z34) + (4*s24^2*z3)/(s12*s124*s134*z34) + 
   (8*s24^2*z3)/(s12*s123*s234*z34) - (8*s24^2*z3)/(s12*s124*s234*z34) - 
   (4*s13*s24*z3)/(s123*s134*s34*z34) + (4*s13*s24*z3)/(s124*s134*s34*z34) - 
   (4*s13^2*s24*z3)/(s12*s123*s134*s34*z34) + 
   (4*s13^2*s24*z3)/(s12*s124*s134*s34*z34) - 
   (4*s14*s24*z3)/(s123*s134*s34*z34) + (4*s14*s24*z3)/(s124*s134*s34*z34) - 
   (8*s13*s14*s24*z3)/(s12*s123*s134*s34*z34) + 
   (8*s13*s14*s24*z3)/(s12*s124*s134*s34*z34) - 
   (4*s14^2*s24*z3)/(s12*s123*s134*s34*z34) + 
   (4*s14^2*s24*z3)/(s12*s124*s134*s34*z34) - (4*s13*s23*s24*z3)/
    (s12*s123*s134*s34*z34) + (4*s13*s23*s24*z3)/(s12*s124*s134*s34*z34) - 
   (4*s14*s23*s24*z3)/(s12*s123*s134*s34*z34) + 
   (4*s14*s23*s24*z3)/(s12*s124*s134*s34*z34) + 
   (4*s23*s24*z3)/(s123*s234*s34*z34) - (4*s23*s24*z3)/(s124*s234*s34*z34) + 
   (4*s13*s23*s24*z3)/(s12*s123*s234*s34*z34) - 
   (4*s13*s23*s24*z3)/(s12*s124*s234*s34*z34) + 
   (4*s14*s23*s24*z3)/(s12*s123*s234*s34*z34) - 
   (4*s14*s23*s24*z3)/(s12*s124*s234*s34*z34) + 
   (4*s23^2*s24*z3)/(s12*s123*s234*s34*z34) - 
   (4*s23^2*s24*z3)/(s12*s124*s234*s34*z34) - 
   (4*s13*s24^2*z3)/(s12*s123*s134*s34*z34) + 
   (4*s13*s24^2*z3)/(s12*s124*s134*s34*z34) - 
   (4*s14*s24^2*z3)/(s12*s123*s134*s34*z34) + 
   (4*s14*s24^2*z3)/(s12*s124*s134*s34*z34) + 
   (4*s24^2*z3)/(s123*s234*s34*z34) - (4*s24^2*z3)/(s124*s234*s34*z34) + 
   (4*s13*s24^2*z3)/(s12*s123*s234*s34*z34) - 
   (4*s13*s24^2*z3)/(s12*s124*s234*s34*z34) + 
   (4*s14*s24^2*z3)/(s12*s123*s234*s34*z34) - 
   (4*s14*s24^2*z3)/(s12*s124*s234*s34*z34) + 
   (8*s23*s24^2*z3)/(s12*s123*s234*s34*z34) - 
   (8*s23*s24^2*z3)/(s12*s124*s234*s34*z34) + 
   (4*s24^3*z3)/(s12*s123*s234*s34*z34) - 
   (4*s24^3*z3)/(s12*s124*s234*s34*z34) - (4*s24*s34*z3)/
    (s12*s123*s134*z34) + (4*s24*s34*z3)/(s12*s124*s134*z34) + 
   (4*s24*s34*z3)/(s12*s123*s234*z34) - (4*s24*s34*z3)/(s12*s124*s234*z34) - 
   (4*s23*z4)/(s123*s134*z34) + (4*s23*z4)/(s124*s134*z34) - 
   (8*s13*s23*z4)/(s12*s123*s134*z34) + (8*s13*s23*z4)/(s12*s124*s134*z34) - 
   (8*s14*s23*z4)/(s12*s123*s134*z34) + (8*s14*s23*z4)/(s12*s124*s134*z34) - 
   (4*s23^2*z4)/(s12*s123*s134*z34) + (4*s23^2*z4)/(s12*s124*s134*z34) + 
   (4*s23*z4)/(s123*s234*z34) - (4*s23*z4)/(s124*s234*z34) + 
   (4*s13*s23*z4)/(s12*s123*s234*z34) - (4*s13*s23*z4)/(s12*s124*s234*z34) + 
   (4*s14*s23*z4)/(s12*s123*s234*z34) - (4*s14*s23*z4)/(s12*s124*s234*z34) + 
   (8*s23^2*z4)/(s12*s123*s234*z34) - (8*s23^2*z4)/(s12*s124*s234*z34) - 
   (4*s23*s24*z4)/(s12*s123*s134*z34) + (4*s23*s24*z4)/(s12*s124*s134*z34) + 
   (8*s23*s24*z4)/(s12*s123*s234*z34) - (8*s23*s24*z4)/(s12*s124*s234*z34) - 
   (4*s13*s23*z4)/(s123*s134*s34*z34) + (4*s13*s23*z4)/(s124*s134*s34*z34) - 
   (4*s13^2*s23*z4)/(s12*s123*s134*s34*z34) + 
   (4*s13^2*s23*z4)/(s12*s124*s134*s34*z34) - 
   (4*s14*s23*z4)/(s123*s134*s34*z34) + (4*s14*s23*z4)/(s124*s134*s34*z34) - 
   (8*s13*s14*s23*z4)/(s12*s123*s134*s34*z34) + 
   (8*s13*s14*s23*z4)/(s12*s124*s134*s34*z34) - 
   (4*s14^2*s23*z4)/(s12*s123*s134*s34*z34) + 
   (4*s14^2*s23*z4)/(s12*s124*s134*s34*z34) - 
   (4*s13*s23^2*z4)/(s12*s123*s134*s34*z34) + 
   (4*s13*s23^2*z4)/(s12*s124*s134*s34*z34) - 
   (4*s14*s23^2*z4)/(s12*s123*s134*s34*z34) + 
   (4*s14*s23^2*z4)/(s12*s124*s134*s34*z34) + 
   (4*s23^2*z4)/(s123*s234*s34*z34) - (4*s23^2*z4)/(s124*s234*s34*z34) + 
   (4*s13*s23^2*z4)/(s12*s123*s234*s34*z34) - 
   (4*s13*s23^2*z4)/(s12*s124*s234*s34*z34) + 
   (4*s14*s23^2*z4)/(s12*s123*s234*s34*z34) - 
   (4*s14*s23^2*z4)/(s12*s124*s234*s34*z34) + 
   (4*s23^3*z4)/(s12*s123*s234*s34*z34) - 
   (4*s23^3*z4)/(s12*s124*s234*s34*z34) - (4*s13*s23*s24*z4)/
    (s12*s123*s134*s34*z34) + (4*s13*s23*s24*z4)/(s12*s124*s134*s34*z34) - 
   (4*s14*s23*s24*z4)/(s12*s123*s134*s34*z34) + 
   (4*s14*s23*s24*z4)/(s12*s124*s134*s34*z34) + 
   (4*s23*s24*z4)/(s123*s234*s34*z34) - (4*s23*s24*z4)/(s124*s234*s34*z34) + 
   (4*s13*s23*s24*z4)/(s12*s123*s234*s34*z34) - 
   (4*s13*s23*s24*z4)/(s12*s124*s234*s34*z34) + 
   (4*s14*s23*s24*z4)/(s12*s123*s234*s34*z34) - 
   (4*s14*s23*s24*z4)/(s12*s124*s234*s34*z34) + 
   (8*s23^2*s24*z4)/(s12*s123*s234*s34*z34) - 
   (8*s23^2*s24*z4)/(s12*s124*s234*s34*z34) + 
   (4*s23*s24^2*z4)/(s12*s123*s234*s34*z34) - 
   (4*s23*s24^2*z4)/(s12*s124*s234*s34*z34) - 
   (4*s23*s34*z4)/(s12*s123*s134*z34) + (4*s23*s34*z4)/(s12*s124*s134*z34) + 
   (4*s23*s34*z4)/(s12*s123*s234*z34) - (4*s23*s34*z4)/(s12*s124*s234*z34)) + 
 k1k2*((4*s12)/s134^2 - (D*s12)/s134^2 + (6*s13)/s134^2 - (D*s13)/s134^2 + 
   (4*s12)/(s123*s134) - (4*s12)/(s124*s134) - (4*s13)/(s123*s134) + 
   (D*s13)/(s123*s134) - (D*s13)/(s124*s134) - (8*s13^2)/(s12*s123*s134) + 
   (D*s13^2)/(s12*s123*s134) + (4*s13^2)/(s12*s124*s134) - 
   (D*s13^2)/(s12*s124*s134) + (6*s14)/s134^2 - (D*s14)/s134^2 + 
   (D*s14)/(s123*s134) + (4*s14)/(s124*s134) - (D*s14)/(s124*s134) - 
   (16*s13*s14)/(s12*s123*s134) + (2*D*s13*s14)/(s12*s123*s134) + 
   (16*s13*s14)/(s12*s124*s134) - (2*D*s13*s14)/(s12*s124*s134) - 
   (4*s14^2)/(s12*s123*s134) + (D*s14^2)/(s12*s123*s134) + 
   (8*s14^2)/(s12*s124*s134) - (D*s14^2)/(s12*s124*s134) + (4*s23)/s134^2 - 
   (D*s23)/s134^2 + (8*s23)/(s123*s134) - (D*s23)/(s123*s134) - 
   (8*s23)/(s124*s134) + (D*s23)/(s124*s134) - (4*s13*s23)/(s12*s123*s134) - 
   (4*s14*s23)/(s12*s123*s124) - (4*s13*s14*s23)/(s12^2*s123*s124) + 
   (8*s14*s23)/(s12*s124*s134) - (4*s14^2*s23)/(s12^2*s123*s124) + 
   (4*s23^2)/(s12*s123*s134) - (D*s23^2)/(s12*s123*s134) - 
   (4*s23^2)/(s12*s124*s134) + (D*s23^2)/(s12*s124*s134) - 
   (4*s14*s23^2)/(s12^2*s123*s124) + (4*s12)/s234^2 - (D*s12)/s234^2 + 
   (4*s13)/s234^2 - (D*s13)/s234^2 + (4*s14)/s234^2 - (D*s14)/s234^2 + 
   (6*s23)/s234^2 - (D*s23)/s234^2 - (4*s12)/(s123*s234) + 
   (4*s12)/(s124*s234) - (8*s13)/(s123*s234) + (D*s13)/(s123*s234) + 
   (8*s13)/(s124*s234) - (D*s13)/(s124*s234) - (4*s13^2)/(s12*s123*s234) + 
   (D*s13^2)/(s12*s123*s234) + (4*s13^2)/(s12*s124*s234) - 
   (D*s13^2)/(s12*s124*s234) + (12*s12)/(s134*s234) - (2*D*s12)/(s134*s234) + 
   (8*s13)/(s134*s234) - (2*D*s13)/(s134*s234) - (8*s14)/(s123*s234) + 
   (D*s14)/(s123*s234) + (8*s14)/(s124*s234) - (D*s14)/(s124*s234) - 
   (8*s13*s14)/(s12*s123*s234) + (2*D*s13*s14)/(s12*s123*s234) + 
   (8*s13*s14)/(s12*s124*s234) - (2*D*s13*s14)/(s12*s124*s234) + 
   (8*s14)/(s134*s234) - (2*D*s14)/(s134*s234) - (4*s14^2)/(s12*s123*s234) + 
   (D*s14^2)/(s12*s123*s234) + (4*s14^2)/(s12*s124*s234) - 
   (D*s14^2)/(s12*s124*s234) + (4*s23)/(s123*s234) - (D*s23)/(s123*s234) + 
   (D*s23)/(s124*s234) + (4*s13*s23)/(s12*s123*s234) + (8*s23)/(s134*s234) - 
   (2*D*s23)/(s134*s234) + (8*s14*s23)/(s12*s123*s234) + 
   (8*s23^2)/(s12*s123*s234) - (D*s23^2)/(s12*s123*s234) - 
   (4*s23^2)/(s12*s124*s234) + (D*s23^2)/(s12*s124*s234) - 
   (4*s13*s24)/(s12*s123*s124) - (4*s13^2*s24)/(s12^2*s123*s124) + 
   (4*s24)/s134^2 - (D*s24)/s134^2 + (8*s24)/(s123*s134) - 
   (D*s24)/(s123*s134) - (8*s24)/(s124*s134) + (D*s24)/(s124*s134) - 
   (8*s13*s24)/(s12*s123*s134) - (4*s13*s14*s24)/(s12^2*s123*s124) + 
   (4*s14*s24)/(s12*s124*s134) - (4*s13*s23*s24)/(s12^2*s123*s124) + 
   (8*s23*s24)/(s12*s123*s134) - (2*D*s23*s24)/(s12*s123*s134) - 
   (8*s23*s24)/(s12*s124*s134) + (2*D*s23*s24)/(s12*s124*s134) - 
   (4*s14*s23*s24)/(s12^2*s123*s124) + (6*s24)/s234^2 - (D*s24)/s234^2 - 
   (D*s24)/(s123*s234) - (4*s24)/(s124*s234) + (D*s24)/(s124*s234) - 
   (8*s13*s24)/(s12*s124*s234) + (8*s24)/(s134*s234) - 
   (2*D*s24)/(s134*s234) - (4*s14*s24)/(s12*s124*s234) + 
   (16*s23*s24)/(s12*s123*s234) - (2*D*s23*s24)/(s12*s123*s234) - 
   (16*s23*s24)/(s12*s124*s234) + (2*D*s23*s24)/(s12*s124*s234) - 
   (4*s13*s24^2)/(s12^2*s123*s124) + (4*s24^2)/(s12*s123*s134) - 
   (D*s24^2)/(s12*s123*s134) - (4*s24^2)/(s12*s124*s134) + 
   (D*s24^2)/(s12*s124*s134) + (4*s24^2)/(s12*s123*s234) - 
   (D*s24^2)/(s12*s123*s234) - (8*s24^2)/(s12*s124*s234) + 
   (D*s24^2)/(s12*s124*s234) + (4*s12*s13*s14)/(s134^2*s34^2) + 
   (4*s13^2*s14)/(s134^2*s34^2) + (4*s13*s14^2)/(s134^2*s34^2) + 
   (4*s13*s14*s23)/(s134^2*s34^2) - (4*s12*s14*s23)/(s134*s234*s34^2) - 
   (4*s13*s14*s23)/(s134*s234*s34^2) - (4*s14^2*s23)/(s134*s234*s34^2) - 
   (4*s14*s23^2)/(s134*s234*s34^2) + (4*s13*s14*s24)/(s134^2*s34^2) + 
   (4*s12*s23*s24)/(s234^2*s34^2) + (4*s13*s23*s24)/(s234^2*s34^2) + 
   (4*s14*s23*s24)/(s234^2*s34^2) + (4*s23^2*s24)/(s234^2*s34^2) - 
   (4*s12*s13*s24)/(s134*s234*s34^2) - (4*s13^2*s24)/(s134*s234*s34^2) - 
   (4*s13*s14*s24)/(s134*s234*s34^2) - (4*s13*s23*s24)/(s134*s234*s34^2) - 
   (4*s14*s23*s24)/(s134*s234*s34^2) + (4*s23*s24^2)/(s234^2*s34^2) - 
   (4*s13*s24^2)/(s134*s234*s34^2) + (2*s12*s13)/(s134^2*s34) + 
   (2*s13^2)/(s134^2*s34) + (2*s12*s14)/(s134^2*s34) + 
   (8*s13*s14)/(s134^2*s34) - (4*s13*s14)/(s123*s134*s34) + 
   (4*s13*s14)/(s124*s134*s34) - (4*s13^2*s14)/(s12*s123*s134*s34) + 
   (4*s13^2*s14)/(s12*s124*s134*s34) + (2*s14^2)/(s134^2*s34) - 
   (4*s13*s14^2)/(s12*s123*s134*s34) + (4*s13*s14^2)/(s12*s124*s134*s34) + 
   (2*s13*s23)/(s134^2*s34) + (2*s14*s23)/(s134^2*s34) + 
   (4*s14*s23)/(s124*s134*s34) - (4*s13*s14*s23)/(s12*s123*s134*s34) + 
   (8*s13*s14*s23)/(s12*s124*s134*s34) + (4*s14^2*s23)/(s12*s124*s134*s34) + 
   (4*s14*s23^2)/(s12*s124*s134*s34) + (2*s12*s23)/(s234^2*s34) + 
   (2*s13*s23)/(s234^2*s34) + (2*s14*s23)/(s234^2*s34) + 
   (2*s23^2)/(s234^2*s34) + (4*s12^2)/(s134*s234*s34) + 
   (4*s12*s13)/(s134*s234*s34) + (4*s12*s14)/(s134*s234*s34) + 
   (4*s12*s23)/(s134*s234*s34) + (4*s14*s23)/(s123*s234*s34) + 
   (4*s13*s14*s23)/(s12*s123*s234*s34) - (4*s14*s23)/(s134*s234*s34) + 
   (4*s14^2*s23)/(s12*s123*s234*s34) + (4*s14*s23^2)/(s12*s123*s234*s34) + 
   (2*s13*s24)/(s134^2*s34) - (4*s13*s24)/(s123*s134*s34) - 
   (4*s13^2*s24)/(s12*s123*s134*s34) + (2*s14*s24)/(s134^2*s34) - 
   (8*s13*s14*s24)/(s12*s123*s134*s34) + (4*s13*s14*s24)/
    (s12*s124*s134*s34) - (4*s13*s23*s24)/(s12*s123*s134*s34) + 
   (4*s14*s23*s24)/(s12*s124*s134*s34) + (2*s12*s24)/(s234^2*s34) + 
   (2*s13*s24)/(s234^2*s34) + (2*s14*s24)/(s234^2*s34) + 
   (8*s23*s24)/(s234^2*s34) - (4*s13*s24)/(s124*s234*s34) - 
   (4*s13^2*s24)/(s12*s124*s234*s34) + (4*s12*s24)/(s134*s234*s34) - 
   (4*s13*s24)/(s134*s234*s34) - (4*s13*s14*s24)/(s12*s124*s234*s34) + 
   (4*s23*s24)/(s123*s234*s34) - (4*s23*s24)/(s124*s234*s34) + 
   (4*s13*s23*s24)/(s12*s123*s234*s34) - (8*s13*s23*s24)/
    (s12*s124*s234*s34) + (8*s14*s23*s24)/(s12*s123*s234*s34) - 
   (4*s14*s23*s24)/(s12*s124*s234*s34) + (4*s23^2*s24)/(s12*s123*s234*s34) - 
   (4*s23^2*s24)/(s12*s124*s234*s34) - (4*s13*s24^2)/(s12*s123*s134*s34) + 
   (2*s24^2)/(s234^2*s34) - (4*s13*s24^2)/(s12*s124*s234*s34) + 
   (4*s23*s24^2)/(s12*s123*s234*s34) - (4*s23*s24^2)/(s12*s124*s234*s34) + 
   (12*s34)/(s123*s124) - (2*D*s34)/(s123*s124) + 
   (12*s13*s34)/(s12*s123*s124) - (2*D*s13*s34)/(s12*s123*s124) + 
   (4*s34)/s134^2 - (D*s34)/s134^2 + (4*s34)/(s123*s134) - 
   (4*s34)/(s124*s134) - (8*s13*s34)/(s12*s123*s134) + 
   (D*s13*s34)/(s12*s123*s134) + (4*s13*s34)/(s12*s124*s134) - 
   (D*s13*s34)/(s12*s124*s134) + (12*s14*s34)/(s12*s123*s124) - 
   (2*D*s14*s34)/(s12*s123*s124) - (4*s14*s34)/(s12*s123*s134) + 
   (D*s14*s34)/(s12*s123*s134) + (8*s14*s34)/(s12*s124*s134) - 
   (D*s14*s34)/(s12*s124*s134) + (12*s23*s34)/(s12*s123*s124) - 
   (2*D*s23*s34)/(s12*s123*s124) + (4*s23*s34)/(s12*s123*s134) - 
   (D*s23*s34)/(s12*s123*s134) - (4*s23*s34)/(s12*s124*s134) + 
   (D*s23*s34)/(s12*s124*s134) - (4*s14*s23*s34)/(s12^2*s123*s124) + 
   (4*s34)/s234^2 - (D*s34)/s234^2 - (4*s34)/(s123*s234) + 
   (4*s34)/(s124*s234) - (4*s13*s34)/(s12*s123*s234) + 
   (D*s13*s34)/(s12*s123*s234) + (4*s13*s34)/(s12*s124*s234) - 
   (D*s13*s34)/(s12*s124*s234) + (8*s34)/(s134*s234) - 
   (2*D*s34)/(s134*s234) - (4*s14*s34)/(s12*s123*s234) + 
   (D*s14*s34)/(s12*s123*s234) + (4*s14*s34)/(s12*s124*s234) - 
   (D*s14*s34)/(s12*s124*s234) + (8*s23*s34)/(s12*s123*s234) - 
   (D*s23*s34)/(s12*s123*s234) - (4*s23*s34)/(s12*s124*s234) + 
   (D*s23*s34)/(s12*s124*s234) + (12*s24*s34)/(s12*s123*s124) - 
   (2*D*s24*s34)/(s12*s123*s124) - (4*s13*s24*s34)/(s12^2*s123*s124) + 
   (4*s24*s34)/(s12*s123*s134) - (D*s24*s34)/(s12*s123*s134) - 
   (4*s24*s34)/(s12*s124*s134) + (D*s24*s34)/(s12*s124*s134) + 
   (4*s24*s34)/(s12*s123*s234) - (D*s24*s34)/(s12*s123*s234) - 
   (8*s24*s34)/(s12*s124*s234) + (D*s24*s34)/(s12*s124*s234) + 
   (12*s34^2)/(s12*s123*s124) - (2*D*s34^2)/(s12*s123*s124) + 
   (4*s12*z1)/(s123*s134*z12) - (4*s12*z1)/(s124*s134*z12) + 
   (8*s13*z1)/(s123*s134*z12) - (4*s13*z1)/(s124*s134*z12) + 
   (4*s13^2*z1)/(s12*s123*s134*z12) + (4*s14*z1)/(s123*s134*z12) - 
   (8*s14*z1)/(s124*s134*z12) + (4*s13*s14*z1)/(s12*s123*s134*z12) - 
   (4*s13*s14*z1)/(s12*s124*s134*z12) - (4*s14^2*z1)/(s12*s124*s134*z12) + 
   (8*s23*z1)/(s123*s134*z12) - (4*s23*z1)/(s124*s134*z12) + 
   (8*s13*s23*z1)/(s12*s123*s134*z12) + (4*s14*s23*z1)/(s12*s123*s134*z12) - 
   (4*s14*s23*z1)/(s12*s124*s134*z12) + (4*s23^2*z1)/(s12*s123*s134*z12) + 
   (4*s24*z1)/(s123*s134*z12) - (8*s24*z1)/(s124*s134*z12) + 
   (4*s13*s24*z1)/(s12*s123*s134*z12) - (4*s13*s24*z1)/(s12*s124*s134*z12) - 
   (8*s14*s24*z1)/(s12*s124*s134*z12) + (4*s23*s24*z1)/(s12*s123*s134*z12) - 
   (4*s23*s24*z1)/(s12*s124*s134*z12) - (4*s24^2*z1)/(s12*s124*s134*z12) + 
   (4*s34*z1)/(s123*s134*z12) - (4*s34*z1)/(s124*s134*z12) + 
   (4*s13*s34*z1)/(s12*s123*s134*z12) - (4*s14*s34*z1)/(s12*s124*s134*z12) + 
   (4*s23*s34*z1)/(s12*s123*s134*z12) - (4*s24*s34*z1)/(s12*s124*s134*z12) - 
   (4*s12*z2)/(s123*s234*z12) + (4*s12*z2)/(s124*s234*z12) - 
   (8*s13*z2)/(s123*s234*z12) + (4*s13*z2)/(s124*s234*z12) - 
   (4*s13^2*z2)/(s12*s123*s234*z12) - (4*s14*z2)/(s123*s234*z12) + 
   (8*s14*z2)/(s124*s234*z12) - (4*s13*s14*z2)/(s12*s123*s234*z12) + 
   (4*s13*s14*z2)/(s12*s124*s234*z12) + (4*s14^2*z2)/(s12*s124*s234*z12) - 
   (8*s23*z2)/(s123*s234*z12) + (4*s23*z2)/(s124*s234*z12) - 
   (8*s13*s23*z2)/(s12*s123*s234*z12) - (4*s14*s23*z2)/(s12*s123*s234*z12) + 
   (4*s14*s23*z2)/(s12*s124*s234*z12) - (4*s23^2*z2)/(s12*s123*s234*z12) - 
   (4*s24*z2)/(s123*s234*z12) + (8*s24*z2)/(s124*s234*z12) - 
   (4*s13*s24*z2)/(s12*s123*s234*z12) + (4*s13*s24*z2)/(s12*s124*s234*z12) + 
   (8*s14*s24*z2)/(s12*s124*s234*z12) - (4*s23*s24*z2)/(s12*s123*s234*z12) + 
   (4*s23*s24*z2)/(s12*s124*s234*z12) + (4*s24^2*z2)/(s12*s124*s234*z12) - 
   (4*s34*z2)/(s123*s234*z12) + (4*s34*z2)/(s124*s234*z12) - 
   (4*s13*s34*z2)/(s12*s123*s234*z12) + (4*s14*s34*z2)/(s12*s124*s234*z12) - 
   (4*s23*s34*z2)/(s12*s123*s234*z12) + (4*s24*s34*z2)/(s12*s124*s234*z12) + 
   (4*s12*z1)/(s134^2*z34) + (8*s13*z1)/(s134^2*z34) - 
   (2*s13*z1)/(s123*s134*z34) + (2*s13*z1)/(s124*s134*z34) - 
   (2*s13^2*z1)/(s12*s123*s134*z34) + (2*s13^2*z1)/(s12*s124*s134*z34) + 
   (8*s14*z1)/(s134^2*z34) - (2*s14*z1)/(s123*s134*z34) + 
   (2*s14*z1)/(s124*s134*z34) - (4*s13*s14*z1)/(s12*s123*s134*z34) + 
   (4*s13*s14*z1)/(s12*s124*s134*z34) - (2*s14^2*z1)/(s12*s123*s134*z34) + 
   (2*s14^2*z1)/(s12*s124*s134*z34) + (4*s23*z1)/(s134^2*z34) - 
   (2*s13*s23*z1)/(s12*s123*s134*z34) + (2*s13*s23*z1)/(s12*s124*s134*z34) - 
   (2*s14*s23*z1)/(s12*s123*s134*z34) + (2*s14*s23*z1)/(s12*s124*s134*z34) - 
   (4*s12*z1)/(s134*s234*z34) - (4*s13*z1)/(s134*s234*z34) - 
   (4*s14*z1)/(s134*s234*z34) + (2*s23*z1)/(s123*s234*z34) - 
   (2*s23*z1)/(s124*s234*z34) + (2*s13*s23*z1)/(s12*s123*s234*z34) - 
   (2*s13*s23*z1)/(s12*s124*s234*z34) - (8*s23*z1)/(s134*s234*z34) + 
   (2*s14*s23*z1)/(s12*s123*s234*z34) - (2*s14*s23*z1)/(s12*s124*s234*z34) + 
   (2*s23^2*z1)/(s12*s123*s234*z34) - (2*s23^2*z1)/(s12*s124*s234*z34) + 
   (4*s24*z1)/(s134^2*z34) - (2*s13*s24*z1)/(s12*s123*s134*z34) + 
   (2*s13*s24*z1)/(s12*s124*s134*z34) - (2*s14*s24*z1)/(s12*s123*s134*z34) + 
   (2*s14*s24*z1)/(s12*s124*s134*z34) + (2*s24*z1)/(s123*s234*z34) - 
   (2*s24*z1)/(s124*s234*z34) + (2*s13*s24*z1)/(s12*s123*s234*z34) - 
   (2*s13*s24*z1)/(s12*s124*s234*z34) - (8*s24*z1)/(s134*s234*z34) + 
   (2*s14*s24*z1)/(s12*s123*s234*z34) - (2*s14*s24*z1)/(s12*s124*s234*z34) + 
   (4*s23*s24*z1)/(s12*s123*s234*z34) - (4*s23*s24*z1)/(s12*s124*s234*z34) + 
   (2*s24^2*z1)/(s12*s123*s234*z34) - (2*s24^2*z1)/(s12*s124*s234*z34) + 
   (4*s12*s13*z1)/(s134^2*s34*z34) + (4*s13^2*z1)/(s134^2*s34*z34) + 
   (4*s12*s14*z1)/(s134^2*s34*z34) + (8*s13*s14*z1)/(s134^2*s34*z34) + 
   (4*s14^2*z1)/(s134^2*s34*z34) + (4*s13*s23*z1)/(s134^2*s34*z34) + 
   (4*s14*s23*z1)/(s134^2*s34*z34) - (4*s12*s23*z1)/(s134*s234*s34*z34) - 
   (4*s13*s23*z1)/(s134*s234*s34*z34) - (4*s14*s23*z1)/(s134*s234*s34*z34) - 
   (4*s23^2*z1)/(s134*s234*s34*z34) + (4*s13*s24*z1)/(s134^2*s34*z34) + 
   (4*s14*s24*z1)/(s134^2*s34*z34) - (4*s12*s24*z1)/(s134*s234*s34*z34) - 
   (4*s13*s24*z1)/(s134*s234*s34*z34) - (4*s14*s24*z1)/(s134*s234*s34*z34) - 
   (8*s23*s24*z1)/(s134*s234*s34*z34) - (4*s24^2*z1)/(s134*s234*s34*z34) + 
   (4*s34*z1)/(s134^2*z34) - (2*s34*z1)/(s123*s134*z34) + 
   (2*s34*z1)/(s124*s134*z34) - (4*s13*s34*z1)/(s12*s123*s134*z34) + 
   (4*s13*s34*z1)/(s12*s124*s134*z34) - (4*s14*s34*z1)/(s12*s123*s134*z34) + 
   (4*s14*s34*z1)/(s12*s124*s134*z34) - (2*s23*s34*z1)/(s12*s123*s134*z34) + 
   (2*s23*s34*z1)/(s12*s124*s134*z34) + (2*s34*z1)/(s123*s234*z34) - 
   (2*s34*z1)/(s124*s234*z34) + (2*s13*s34*z1)/(s12*s123*s234*z34) - 
   (2*s13*s34*z1)/(s12*s124*s234*z34) - (4*s34*z1)/(s134*s234*z34) + 
   (2*s14*s34*z1)/(s12*s123*s234*z34) - (2*s14*s34*z1)/(s12*s124*s234*z34) + 
   (4*s23*s34*z1)/(s12*s123*s234*z34) - (4*s23*s34*z1)/(s12*s124*s234*z34) - 
   (2*s24*s34*z1)/(s12*s123*s134*z34) + (2*s24*s34*z1)/(s12*s124*s134*z34) + 
   (4*s24*s34*z1)/(s12*s123*s234*z34) - (4*s24*s34*z1)/(s12*s124*s234*z34) - 
   (2*s34^2*z1)/(s12*s123*s134*z34) + (2*s34^2*z1)/(s12*s124*s134*z34) + 
   (2*s34^2*z1)/(s12*s123*s234*z34) - (2*s34^2*z1)/(s12*s124*s234*z34) - 
   (2*s13*z2)/(s123*s134*z34) + (2*s13*z2)/(s124*s134*z34) - 
   (2*s13^2*z2)/(s12*s123*s134*z34) + (2*s13^2*z2)/(s12*s124*s134*z34) - 
   (2*s14*z2)/(s123*s134*z34) + (2*s14*z2)/(s124*s134*z34) - 
   (4*s13*s14*z2)/(s12*s123*s134*z34) + (4*s13*s14*z2)/(s12*s124*s134*z34) - 
   (2*s14^2*z2)/(s12*s123*s134*z34) + (2*s14^2*z2)/(s12*s124*s134*z34) - 
   (2*s13*s23*z2)/(s12*s123*s134*z34) + (2*s13*s23*z2)/(s12*s124*s134*z34) - 
   (2*s14*s23*z2)/(s12*s123*s134*z34) + (2*s14*s23*z2)/(s12*s124*s134*z34) + 
   (4*s12*z2)/(s234^2*z34) + (4*s13*z2)/(s234^2*z34) + 
   (4*s14*z2)/(s234^2*z34) + (8*s23*z2)/(s234^2*z34) - 
   (4*s12*z2)/(s134*s234*z34) - (8*s13*z2)/(s134*s234*z34) - 
   (8*s14*z2)/(s134*s234*z34) + (2*s23*z2)/(s123*s234*z34) - 
   (2*s23*z2)/(s124*s234*z34) + (2*s13*s23*z2)/(s12*s123*s234*z34) - 
   (2*s13*s23*z2)/(s12*s124*s234*z34) - (4*s23*z2)/(s134*s234*z34) + 
   (2*s14*s23*z2)/(s12*s123*s234*z34) - (2*s14*s23*z2)/(s12*s124*s234*z34) + 
   (2*s23^2*z2)/(s12*s123*s234*z34) - (2*s23^2*z2)/(s12*s124*s234*z34) - 
   (2*s13*s24*z2)/(s12*s123*s134*z34) + (2*s13*s24*z2)/(s12*s124*s134*z34) - 
   (2*s14*s24*z2)/(s12*s123*s134*z34) + (2*s14*s24*z2)/(s12*s124*s134*z34) + 
   (8*s24*z2)/(s234^2*z34) + (2*s24*z2)/(s123*s234*z34) - 
   (2*s24*z2)/(s124*s234*z34) + (2*s13*s24*z2)/(s12*s123*s234*z34) - 
   (2*s13*s24*z2)/(s12*s124*s234*z34) - (4*s24*z2)/(s134*s234*z34) + 
   (2*s14*s24*z2)/(s12*s123*s234*z34) - (2*s14*s24*z2)/(s12*s124*s234*z34) + 
   (4*s23*s24*z2)/(s12*s123*s234*z34) - (4*s23*s24*z2)/(s12*s124*s234*z34) + 
   (2*s24^2*z2)/(s12*s123*s234*z34) - (2*s24^2*z2)/(s12*s124*s234*z34) + 
   (4*s12*s23*z2)/(s234^2*s34*z34) + (4*s13*s23*z2)/(s234^2*s34*z34) + 
   (4*s14*s23*z2)/(s234^2*s34*z34) + (4*s23^2*z2)/(s234^2*s34*z34) - 
   (4*s12*s13*z2)/(s134*s234*s34*z34) - (4*s13^2*z2)/(s134*s234*s34*z34) - 
   (4*s12*s14*z2)/(s134*s234*s34*z34) - (8*s13*s14*z2)/(s134*s234*s34*z34) - 
   (4*s14^2*z2)/(s134*s234*s34*z34) - (4*s13*s23*z2)/(s134*s234*s34*z34) - 
   (4*s14*s23*z2)/(s134*s234*s34*z34) + (4*s12*s24*z2)/(s234^2*s34*z34) + 
   (4*s13*s24*z2)/(s234^2*s34*z34) + (4*s14*s24*z2)/(s234^2*s34*z34) + 
   (8*s23*s24*z2)/(s234^2*s34*z34) - (4*s13*s24*z2)/(s134*s234*s34*z34) - 
   (4*s14*s24*z2)/(s134*s234*s34*z34) + (4*s24^2*z2)/(s234^2*s34*z34) - 
   (2*s34*z2)/(s123*s134*z34) + (2*s34*z2)/(s124*s134*z34) - 
   (4*s13*s34*z2)/(s12*s123*s134*z34) + (4*s13*s34*z2)/(s12*s124*s134*z34) - 
   (4*s14*s34*z2)/(s12*s123*s134*z34) + (4*s14*s34*z2)/(s12*s124*s134*z34) - 
   (2*s23*s34*z2)/(s12*s123*s134*z34) + (2*s23*s34*z2)/(s12*s124*s134*z34) + 
   (4*s34*z2)/(s234^2*z34) + (2*s34*z2)/(s123*s234*z34) - 
   (2*s34*z2)/(s124*s234*z34) + (2*s13*s34*z2)/(s12*s123*s234*z34) - 
   (2*s13*s34*z2)/(s12*s124*s234*z34) - (4*s34*z2)/(s134*s234*z34) + 
   (2*s14*s34*z2)/(s12*s123*s234*z34) - (2*s14*s34*z2)/(s12*s124*s234*z34) + 
   (4*s23*s34*z2)/(s12*s123*s234*z34) - (4*s23*s34*z2)/(s12*s124*s234*z34) - 
   (2*s24*s34*z2)/(s12*s123*s134*z34) + (2*s24*s34*z2)/(s12*s124*s134*z34) + 
   (4*s24*s34*z2)/(s12*s123*s234*z34) - (4*s24*s34*z2)/(s12*s124*s234*z34) - 
   (2*s34^2*z2)/(s12*s123*s134*z34) + (2*s34^2*z2)/(s12*s124*s134*z34) + 
   (2*s34^2*z2)/(s12*s123*s234*z34) - (2*s34^2*z2)/(s12*s124*s234*z34) - 
   (4*s14*z3)/(s134^2*z34) + (2*s14*z3)/(s123*s134*z34) - 
   (2*s14*z3)/(s124*s134*z34) + (4*s13*s14*z3)/(s12*s123*s134*z34) - 
   (4*s13*s14*z3)/(s12*s124*s134*z34) + (4*s14^2*z3)/(s12*s123*s134*z34) - 
   (4*s14^2*z3)/(s12*s124*s134*z34) + (2*s14*s23*z3)/(s12*s123*s134*z34) - 
   (2*s14*s23*z3)/(s12*s124*s134*z34) - (2*s14*z3)/(s123*s234*z34) + 
   (2*s14*z3)/(s124*s234*z34) - (2*s13*s14*z3)/(s12*s123*s234*z34) + 
   (2*s13*s14*z3)/(s12*s124*s234*z34) + (4*s14*z3)/(s134*s234*z34) - 
   (2*s14^2*z3)/(s12*s123*s234*z34) + (2*s14^2*z3)/(s12*s124*s234*z34) - 
   (4*s14*s23*z3)/(s12*s123*s234*z34) + (4*s14*s23*z3)/(s12*s124*s234*z34) + 
   (2*s24*z3)/(s123*s134*z34) - (2*s24*z3)/(s124*s134*z34) + 
   (4*s13*s24*z3)/(s12*s123*s134*z34) - (4*s13*s24*z3)/(s12*s124*s134*z34) + 
   (6*s14*s24*z3)/(s12*s123*s134*z34) - (6*s14*s24*z3)/(s12*s124*s134*z34) + 
   (2*s23*s24*z3)/(s12*s123*s134*z34) - (2*s23*s24*z3)/(s12*s124*s134*z34) - 
   (4*s24*z3)/(s234^2*z34) - (2*s24*z3)/(s123*s234*z34) + 
   (2*s24*z3)/(s124*s234*z34) - (2*s13*s24*z3)/(s12*s123*s234*z34) + 
   (2*s13*s24*z3)/(s12*s124*s234*z34) + (4*s24*z3)/(s134*s234*z34) - 
   (6*s14*s24*z3)/(s12*s123*s234*z34) + (6*s14*s24*z3)/(s12*s124*s234*z34) - 
   (4*s23*s24*z3)/(s12*s123*s234*z34) + (4*s23*s24*z3)/(s12*s124*s234*z34) + 
   (2*s24^2*z3)/(s12*s123*s134*z34) - (2*s24^2*z3)/(s12*s124*s134*z34) - 
   (4*s24^2*z3)/(s12*s123*s234*z34) + (4*s24^2*z3)/(s12*s124*s234*z34) - 
   (4*s12*s13*s14*z3)/(s134^2*s34^2*z34) - (4*s13^2*s14*z3)/
    (s134^2*s34^2*z34) - (4*s12*s14^2*z3)/(s134^2*s34^2*z34) - 
   (8*s13*s14^2*z3)/(s134^2*s34^2*z34) - (4*s14^3*z3)/(s134^2*s34^2*z34) - 
   (4*s13*s14*s23*z3)/(s134^2*s34^2*z34) - (4*s14^2*s23*z3)/
    (s134^2*s34^2*z34) + (4*s12*s14*s23*z3)/(s134*s234*s34^2*z34) + 
   (4*s13*s14*s23*z3)/(s134*s234*s34^2*z34) + 
   (4*s14^2*s23*z3)/(s134*s234*s34^2*z34) + (4*s14*s23^2*z3)/
    (s134*s234*s34^2*z34) - (4*s13*s14*s24*z3)/(s134^2*s34^2*z34) - 
   (4*s14^2*s24*z3)/(s134^2*s34^2*z34) - (4*s12*s23*s24*z3)/
    (s234^2*s34^2*z34) - (4*s13*s23*s24*z3)/(s234^2*s34^2*z34) - 
   (4*s14*s23*s24*z3)/(s234^2*s34^2*z34) - (4*s23^2*s24*z3)/
    (s234^2*s34^2*z34) + (4*s12*s13*s24*z3)/(s134*s234*s34^2*z34) + 
   (4*s13^2*s24*z3)/(s134*s234*s34^2*z34) + (8*s12*s14*s24*z3)/
    (s134*s234*s34^2*z34) + (12*s13*s14*s24*z3)/(s134*s234*s34^2*z34) + 
   (8*s14^2*s24*z3)/(s134*s234*s34^2*z34) + (4*s13*s23*s24*z3)/
    (s134*s234*s34^2*z34) + (12*s14*s23*s24*z3)/(s134*s234*s34^2*z34) - 
   (4*s12*s24^2*z3)/(s234^2*s34^2*z34) - (4*s13*s24^2*z3)/
    (s234^2*s34^2*z34) - (4*s14*s24^2*z3)/(s234^2*s34^2*z34) - 
   (8*s23*s24^2*z3)/(s234^2*s34^2*z34) + (4*s13*s24^2*z3)/
    (s134*s234*s34^2*z34) + (8*s14*s24^2*z3)/(s134*s234*s34^2*z34) - 
   (4*s24^3*z3)/(s234^2*s34^2*z34) - (4*s12*s14*z3)/(s134^2*s34*z34) - 
   (8*s13*s14*z3)/(s134^2*s34*z34) + (2*s13*s14*z3)/(s123*s134*s34*z34) - 
   (2*s13*s14*z3)/(s124*s134*s34*z34) + (2*s13^2*s14*z3)/
    (s12*s123*s134*s34*z34) - (2*s13^2*s14*z3)/(s12*s124*s134*s34*z34) - 
   (8*s14^2*z3)/(s134^2*s34*z34) + (2*s14^2*z3)/(s123*s134*s34*z34) - 
   (2*s14^2*z3)/(s124*s134*s34*z34) + (4*s13*s14^2*z3)/
    (s12*s123*s134*s34*z34) - (4*s13*s14^2*z3)/(s12*s124*s134*s34*z34) + 
   (2*s14^3*z3)/(s12*s123*s134*s34*z34) - 
   (2*s14^3*z3)/(s12*s124*s134*s34*z34) - (4*s14*s23*z3)/(s134^2*s34*z34) + 
   (2*s13*s14*s23*z3)/(s12*s123*s134*s34*z34) - 
   (2*s13*s14*s23*z3)/(s12*s124*s134*s34*z34) + 
   (2*s14^2*s23*z3)/(s12*s123*s134*s34*z34) - 
   (2*s14^2*s23*z3)/(s12*s124*s134*s34*z34) + 
   (4*s12*s14*z3)/(s134*s234*s34*z34) + (4*s13*s14*z3)/(s134*s234*s34*z34) + 
   (4*s14^2*z3)/(s134*s234*s34*z34) - (2*s14*s23*z3)/(s123*s234*s34*z34) + 
   (2*s14*s23*z3)/(s124*s234*s34*z34) - (2*s13*s14*s23*z3)/
    (s12*s123*s234*s34*z34) + (2*s13*s14*s23*z3)/(s12*s124*s234*s34*z34) + 
   (8*s14*s23*z3)/(s134*s234*s34*z34) - (2*s14^2*s23*z3)/
    (s12*s123*s234*s34*z34) + (2*s14^2*s23*z3)/(s12*s124*s234*s34*z34) - 
   (2*s14*s23^2*z3)/(s12*s123*s234*s34*z34) + 
   (2*s14*s23^2*z3)/(s12*s124*s234*s34*z34) + 
   (2*s13*s24*z3)/(s123*s134*s34*z34) - (2*s13*s24*z3)/(s124*s134*s34*z34) + 
   (2*s13^2*s24*z3)/(s12*s123*s134*s34*z34) - 
   (2*s13^2*s24*z3)/(s12*s124*s134*s34*z34) - 
   (4*s14*s24*z3)/(s134^2*s34*z34) + (2*s14*s24*z3)/(s123*s134*s34*z34) - 
   (2*s14*s24*z3)/(s124*s134*s34*z34) + (6*s13*s14*s24*z3)/
    (s12*s123*s134*s34*z34) - (6*s13*s14*s24*z3)/(s12*s124*s134*s34*z34) + 
   (4*s14^2*s24*z3)/(s12*s123*s134*s34*z34) - 
   (4*s14^2*s24*z3)/(s12*s124*s134*s34*z34) + (2*s13*s23*s24*z3)/
    (s12*s123*s134*s34*z34) - (2*s13*s23*s24*z3)/(s12*s124*s134*s34*z34) + 
   (2*s14*s23*s24*z3)/(s12*s123*s134*s34*z34) - 
   (2*s14*s23*s24*z3)/(s12*s124*s134*s34*z34) - 
   (4*s12*s24*z3)/(s234^2*s34*z34) - (4*s13*s24*z3)/(s234^2*s34*z34) - 
   (4*s14*s24*z3)/(s234^2*s34*z34) - (8*s23*s24*z3)/(s234^2*s34*z34) + 
   (4*s12*s24*z3)/(s134*s234*s34*z34) + (8*s13*s24*z3)/(s134*s234*s34*z34) - 
   (2*s14*s24*z3)/(s123*s234*s34*z34) + (2*s14*s24*z3)/(s124*s234*s34*z34) - 
   (2*s13*s14*s24*z3)/(s12*s123*s234*s34*z34) + 
   (2*s13*s14*s24*z3)/(s12*s124*s234*s34*z34) + 
   (16*s14*s24*z3)/(s134*s234*s34*z34) - (2*s14^2*s24*z3)/
    (s12*s123*s234*s34*z34) + (2*s14^2*s24*z3)/(s12*s124*s234*s34*z34) - 
   (2*s23*s24*z3)/(s123*s234*s34*z34) + (2*s23*s24*z3)/(s124*s234*s34*z34) - 
   (2*s13*s23*s24*z3)/(s12*s123*s234*s34*z34) + 
   (2*s13*s23*s24*z3)/(s12*s124*s234*s34*z34) + 
   (4*s23*s24*z3)/(s134*s234*s34*z34) - (6*s14*s23*s24*z3)/
    (s12*s123*s234*s34*z34) + (6*s14*s23*s24*z3)/(s12*s124*s234*s34*z34) - 
   (2*s23^2*s24*z3)/(s12*s123*s234*s34*z34) + 
   (2*s23^2*s24*z3)/(s12*s124*s234*s34*z34) + 
   (2*s13*s24^2*z3)/(s12*s123*s134*s34*z34) - 
   (2*s13*s24^2*z3)/(s12*s124*s134*s34*z34) + 
   (2*s14*s24^2*z3)/(s12*s123*s134*s34*z34) - 
   (2*s14*s24^2*z3)/(s12*s124*s134*s34*z34) - (8*s24^2*z3)/(s234^2*s34*z34) - 
   (2*s24^2*z3)/(s123*s234*s34*z34) + (2*s24^2*z3)/(s124*s234*s34*z34) - 
   (2*s13*s24^2*z3)/(s12*s123*s234*s34*z34) + 
   (2*s13*s24^2*z3)/(s12*s124*s234*s34*z34) + 
   (4*s24^2*z3)/(s134*s234*s34*z34) - (4*s14*s24^2*z3)/
    (s12*s123*s234*s34*z34) + (4*s14*s24^2*z3)/(s12*s124*s234*s34*z34) - 
   (4*s23*s24^2*z3)/(s12*s123*s234*s34*z34) + 
   (4*s23*s24^2*z3)/(s12*s124*s234*s34*z34) - 
   (2*s24^3*z3)/(s12*s123*s234*s34*z34) + 
   (2*s24^3*z3)/(s12*s124*s234*s34*z34) + (2*s14*s34*z3)/
    (s12*s123*s134*z34) - (2*s14*s34*z3)/(s12*s124*s134*z34) - 
   (2*s14*s34*z3)/(s12*s123*s234*z34) + (2*s14*s34*z3)/(s12*s124*s234*z34) + 
   (2*s24*s34*z3)/(s12*s123*s134*z34) - (2*s24*s34*z3)/(s12*s124*s134*z34) - 
   (2*s24*s34*z3)/(s12*s123*s234*z34) + (2*s24*s34*z3)/(s12*s124*s234*z34) + 
   (4*s12*z3*z4)/(s134^2*z34^2) + (12*s13*z3*z4)/(s134^2*z34^2) + 
   (12*s14*z3*z4)/(s134^2*z34^2) + (4*s23*z3*z4)/(s134^2*z34^2) + 
   (4*s12*z3*z4)/(s234^2*z34^2) + (4*s13*z3*z4)/(s234^2*z34^2) + 
   (4*s14*z3*z4)/(s234^2*z34^2) + (12*s23*z3*z4)/(s234^2*z34^2) - 
   (8*s12*z3*z4)/(s134*s234*z34^2) - (16*s13*z3*z4)/(s134*s234*z34^2) - 
   (16*s14*z3*z4)/(s134*s234*z34^2) - (16*s23*z3*z4)/(s134*s234*z34^2) + 
   (4*s24*z3*z4)/(s134^2*z34^2) + (12*s24*z3*z4)/(s234^2*z34^2) - 
   (16*s24*z3*z4)/(s134*s234*z34^2) + (4*s12*s13^2*z3*z4)/
    (s134^2*s34^2*z34^2) + (4*s13^3*z3*z4)/(s134^2*s34^2*z34^2) + 
   (8*s12*s13*s14*z3*z4)/(s134^2*s34^2*z34^2) + 
   (12*s13^2*s14*z3*z4)/(s134^2*s34^2*z34^2) + (4*s12*s14^2*z3*z4)/
    (s134^2*s34^2*z34^2) + (12*s13*s14^2*z3*z4)/(s134^2*s34^2*z34^2) + 
   (4*s14^3*z3*z4)/(s134^2*s34^2*z34^2) + (4*s13^2*s23*z3*z4)/
    (s134^2*s34^2*z34^2) + (8*s13*s14*s23*z3*z4)/(s134^2*s34^2*z34^2) + 
   (4*s14^2*s23*z3*z4)/(s134^2*s34^2*z34^2) + (4*s12*s23^2*z3*z4)/
    (s234^2*s34^2*z34^2) + (4*s13*s23^2*z3*z4)/(s234^2*s34^2*z34^2) + 
   (4*s14*s23^2*z3*z4)/(s234^2*s34^2*z34^2) + 
   (4*s23^3*z3*z4)/(s234^2*s34^2*z34^2) - (8*s12*s13*s23*z3*z4)/
    (s134*s234*s34^2*z34^2) - (8*s13^2*s23*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (8*s12*s14*s23*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (16*s13*s14*s23*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (8*s14^2*s23*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (8*s13*s23^2*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (8*s14*s23^2*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (4*s13^2*s24*z3*z4)/(s134^2*s34^2*z34^2) + (8*s13*s14*s24*z3*z4)/
    (s134^2*s34^2*z34^2) + (4*s14^2*s24*z3*z4)/(s134^2*s34^2*z34^2) + 
   (8*s12*s23*s24*z3*z4)/(s234^2*s34^2*z34^2) + (8*s13*s23*s24*z3*z4)/
    (s234^2*s34^2*z34^2) + (8*s14*s23*s24*z3*z4)/(s234^2*s34^2*z34^2) + 
   (12*s23^2*s24*z3*z4)/(s234^2*s34^2*z34^2) - (8*s12*s13*s24*z3*z4)/
    (s134*s234*s34^2*z34^2) - (8*s13^2*s24*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (8*s12*s14*s24*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (16*s13*s14*s24*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (8*s14^2*s24*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (16*s13*s23*s24*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (16*s14*s23*s24*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (4*s12*s24^2*z3*z4)/(s234^2*s34^2*z34^2) + (4*s13*s24^2*z3*z4)/
    (s234^2*s34^2*z34^2) + (4*s14*s24^2*z3*z4)/(s234^2*s34^2*z34^2) + 
   (12*s23*s24^2*z3*z4)/(s234^2*s34^2*z34^2) - (8*s13*s24^2*z3*z4)/
    (s134*s234*s34^2*z34^2) - (8*s14*s24^2*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (4*s24^3*z3*z4)/(s234^2*s34^2*z34^2) + (8*s12*s13*z3*z4)/
    (s134^2*s34*z34^2) + (12*s13^2*z3*z4)/(s134^2*s34*z34^2) + 
   (8*s12*s14*z3*z4)/(s134^2*s34*z34^2) + (24*s13*s14*z3*z4)/
    (s134^2*s34*z34^2) + (12*s14^2*z3*z4)/(s134^2*s34*z34^2) + 
   (8*s13*s23*z3*z4)/(s134^2*s34*z34^2) + (8*s14*s23*z3*z4)/
    (s134^2*s34*z34^2) + (8*s12*s23*z3*z4)/(s234^2*s34*z34^2) + 
   (8*s13*s23*z3*z4)/(s234^2*s34*z34^2) + (8*s14*s23*z3*z4)/
    (s234^2*s34*z34^2) + (12*s23^2*z3*z4)/(s234^2*s34*z34^2) - 
   (8*s12*s13*z3*z4)/(s134*s234*s34*z34^2) - 
   (8*s13^2*z3*z4)/(s134*s234*s34*z34^2) - (8*s12*s14*z3*z4)/
    (s134*s234*s34*z34^2) - (16*s13*s14*z3*z4)/(s134*s234*s34*z34^2) - 
   (8*s14^2*z3*z4)/(s134*s234*s34*z34^2) - (8*s12*s23*z3*z4)/
    (s134*s234*s34*z34^2) - (24*s13*s23*z3*z4)/(s134*s234*s34*z34^2) - 
   (24*s14*s23*z3*z4)/(s134*s234*s34*z34^2) - 
   (8*s23^2*z3*z4)/(s134*s234*s34*z34^2) + (8*s13*s24*z3*z4)/
    (s134^2*s34*z34^2) + (8*s14*s24*z3*z4)/(s134^2*s34*z34^2) + 
   (8*s12*s24*z3*z4)/(s234^2*s34*z34^2) + (8*s13*s24*z3*z4)/
    (s234^2*s34*z34^2) + (8*s14*s24*z3*z4)/(s234^2*s34*z34^2) + 
   (24*s23*s24*z3*z4)/(s234^2*s34*z34^2) - (8*s12*s24*z3*z4)/
    (s134*s234*s34*z34^2) - (24*s13*s24*z3*z4)/(s134*s234*s34*z34^2) - 
   (24*s14*s24*z3*z4)/(s134*s234*s34*z34^2) - (16*s23*s24*z3*z4)/
    (s134*s234*s34*z34^2) + (12*s24^2*z3*z4)/(s234^2*s34*z34^2) - 
   (8*s24^2*z3*z4)/(s134*s234*s34*z34^2) + (4*s34*z3*z4)/(s134^2*z34^2) + 
   (4*s34*z3*z4)/(s234^2*z34^2) - (8*s34*z3*z4)/(s134*s234*z34^2) - 
   (4*s13*z4)/(s134^2*z34) + (2*s13*z4)/(s123*s134*z34) - 
   (2*s13*z4)/(s124*s134*z34) + (4*s13^2*z4)/(s12*s123*s134*z34) - 
   (4*s13^2*z4)/(s12*s124*s134*z34) + (4*s13*s14*z4)/(s12*s123*s134*z34) - 
   (4*s13*s14*z4)/(s12*s124*s134*z34) + (2*s23*z4)/(s123*s134*z34) - 
   (2*s23*z4)/(s124*s134*z34) + (6*s13*s23*z4)/(s12*s123*s134*z34) - 
   (6*s13*s23*z4)/(s12*s124*s134*z34) + (4*s14*s23*z4)/(s12*s123*s134*z34) - 
   (4*s14*s23*z4)/(s12*s124*s134*z34) + (2*s23^2*z4)/(s12*s123*s134*z34) - 
   (2*s23^2*z4)/(s12*s124*s134*z34) - (4*s23*z4)/(s234^2*z34) - 
   (2*s13*z4)/(s123*s234*z34) + (2*s13*z4)/(s124*s234*z34) - 
   (2*s13^2*z4)/(s12*s123*s234*z34) + (2*s13^2*z4)/(s12*s124*s234*z34) + 
   (4*s13*z4)/(s134*s234*z34) - (2*s13*s14*z4)/(s12*s123*s234*z34) + 
   (2*s13*s14*z4)/(s12*s124*s234*z34) - (2*s23*z4)/(s123*s234*z34) + 
   (2*s23*z4)/(s124*s234*z34) - (6*s13*s23*z4)/(s12*s123*s234*z34) + 
   (6*s13*s23*z4)/(s12*s124*s234*z34) + (4*s23*z4)/(s134*s234*z34) - 
   (2*s14*s23*z4)/(s12*s123*s234*z34) + (2*s14*s23*z4)/(s12*s124*s234*z34) - 
   (4*s23^2*z4)/(s12*s123*s234*z34) + (4*s23^2*z4)/(s12*s124*s234*z34) + 
   (2*s13*s24*z4)/(s12*s123*s134*z34) - (2*s13*s24*z4)/(s12*s124*s134*z34) + 
   (2*s23*s24*z4)/(s12*s123*s134*z34) - (2*s23*s24*z4)/(s12*s124*s134*z34) - 
   (4*s13*s24*z4)/(s12*s123*s234*z34) + (4*s13*s24*z4)/(s12*s124*s234*z34) - 
   (4*s23*s24*z4)/(s12*s123*s234*z34) + (4*s23*s24*z4)/(s12*s124*s234*z34) - 
   (4*s12*s13^2*z4)/(s134^2*s34^2*z34) - (4*s13^3*z4)/(s134^2*s34^2*z34) - 
   (4*s12*s13*s14*z4)/(s134^2*s34^2*z34) - (8*s13^2*s14*z4)/
    (s134^2*s34^2*z34) - (4*s13*s14^2*z4)/(s134^2*s34^2*z34) - 
   (4*s13^2*s23*z4)/(s134^2*s34^2*z34) - (4*s13*s14*s23*z4)/
    (s134^2*s34^2*z34) - (4*s12*s23^2*z4)/(s234^2*s34^2*z34) - 
   (4*s13*s23^2*z4)/(s234^2*s34^2*z34) - (4*s14*s23^2*z4)/
    (s234^2*s34^2*z34) - (4*s23^3*z4)/(s234^2*s34^2*z34) + 
   (8*s12*s13*s23*z4)/(s134*s234*s34^2*z34) + 
   (8*s13^2*s23*z4)/(s134*s234*s34^2*z34) + (4*s12*s14*s23*z4)/
    (s134*s234*s34^2*z34) + (12*s13*s14*s23*z4)/(s134*s234*s34^2*z34) + 
   (4*s14^2*s23*z4)/(s134*s234*s34^2*z34) + (8*s13*s23^2*z4)/
    (s134*s234*s34^2*z34) + (4*s14*s23^2*z4)/(s134*s234*s34^2*z34) - 
   (4*s13^2*s24*z4)/(s134^2*s34^2*z34) - (4*s13*s14*s24*z4)/
    (s134^2*s34^2*z34) - (4*s12*s23*s24*z4)/(s234^2*s34^2*z34) - 
   (4*s13*s23*s24*z4)/(s234^2*s34^2*z34) - (4*s14*s23*s24*z4)/
    (s234^2*s34^2*z34) - (8*s23^2*s24*z4)/(s234^2*s34^2*z34) + 
   (4*s12*s13*s24*z4)/(s134*s234*s34^2*z34) + 
   (4*s13^2*s24*z4)/(s134*s234*s34^2*z34) + (4*s13*s14*s24*z4)/
    (s134*s234*s34^2*z34) + (12*s13*s23*s24*z4)/(s134*s234*s34^2*z34) + 
   (4*s14*s23*s24*z4)/(s134*s234*s34^2*z34) - 
   (4*s23*s24^2*z4)/(s234^2*s34^2*z34) + (4*s13*s24^2*z4)/
    (s134*s234*s34^2*z34) - (4*s12*s13*z4)/(s134^2*s34*z34) - 
   (8*s13^2*z4)/(s134^2*s34*z34) + (2*s13^2*z4)/(s123*s134*s34*z34) - 
   (2*s13^2*z4)/(s124*s134*s34*z34) + (2*s13^3*z4)/(s12*s123*s134*s34*z34) - 
   (2*s13^3*z4)/(s12*s124*s134*s34*z34) - (8*s13*s14*z4)/(s134^2*s34*z34) + 
   (2*s13*s14*z4)/(s123*s134*s34*z34) - (2*s13*s14*z4)/(s124*s134*s34*z34) + 
   (4*s13^2*s14*z4)/(s12*s123*s134*s34*z34) - 
   (4*s13^2*s14*z4)/(s12*s124*s134*s34*z34) + 
   (2*s13*s14^2*z4)/(s12*s123*s134*s34*z34) - 
   (2*s13*s14^2*z4)/(s12*s124*s134*s34*z34) - 
   (4*s13*s23*z4)/(s134^2*s34*z34) + (2*s13*s23*z4)/(s123*s134*s34*z34) - 
   (2*s13*s23*z4)/(s124*s134*s34*z34) + (4*s13^2*s23*z4)/
    (s12*s123*s134*s34*z34) - (4*s13^2*s23*z4)/(s12*s124*s134*s34*z34) + 
   (2*s14*s23*z4)/(s123*s134*s34*z34) - (2*s14*s23*z4)/(s124*s134*s34*z34) + 
   (6*s13*s14*s23*z4)/(s12*s123*s134*s34*z34) - 
   (6*s13*s14*s23*z4)/(s12*s124*s134*s34*z34) + 
   (2*s14^2*s23*z4)/(s12*s123*s134*s34*z34) - 
   (2*s14^2*s23*z4)/(s12*s124*s134*s34*z34) + 
   (2*s13*s23^2*z4)/(s12*s123*s134*s34*z34) - 
   (2*s13*s23^2*z4)/(s12*s124*s134*s34*z34) + 
   (2*s14*s23^2*z4)/(s12*s123*s134*s34*z34) - 
   (2*s14*s23^2*z4)/(s12*s124*s134*s34*z34) - 
   (4*s12*s23*z4)/(s234^2*s34*z34) - (4*s13*s23*z4)/(s234^2*s34*z34) - 
   (4*s14*s23*z4)/(s234^2*s34*z34) - (8*s23^2*z4)/(s234^2*s34*z34) + 
   (4*s12*s13*z4)/(s134*s234*s34*z34) + (4*s13^2*z4)/(s134*s234*s34*z34) + 
   (4*s13*s14*z4)/(s134*s234*s34*z34) - (2*s13*s23*z4)/(s123*s234*s34*z34) + 
   (2*s13*s23*z4)/(s124*s234*s34*z34) - (2*s13^2*s23*z4)/
    (s12*s123*s234*s34*z34) + (2*s13^2*s23*z4)/(s12*s124*s234*s34*z34) + 
   (4*s12*s23*z4)/(s134*s234*s34*z34) + (16*s13*s23*z4)/(s134*s234*s34*z34) - 
   (2*s13*s14*s23*z4)/(s12*s123*s234*s34*z34) + 
   (2*s13*s14*s23*z4)/(s12*s124*s234*s34*z34) + 
   (8*s14*s23*z4)/(s134*s234*s34*z34) - (2*s23^2*z4)/(s123*s234*s34*z34) + 
   (2*s23^2*z4)/(s124*s234*s34*z34) - (4*s13*s23^2*z4)/
    (s12*s123*s234*s34*z34) + (4*s13*s23^2*z4)/(s12*s124*s234*s34*z34) + 
   (4*s23^2*z4)/(s134*s234*s34*z34) - (2*s14*s23^2*z4)/
    (s12*s123*s234*s34*z34) + (2*s14*s23^2*z4)/(s12*s124*s234*s34*z34) - 
   (2*s23^3*z4)/(s12*s123*s234*s34*z34) + 
   (2*s23^3*z4)/(s12*s124*s234*s34*z34) - (4*s13*s24*z4)/(s134^2*s34*z34) + 
   (2*s13^2*s24*z4)/(s12*s123*s134*s34*z34) - 
   (2*s13^2*s24*z4)/(s12*s124*s134*s34*z34) + (2*s13*s14*s24*z4)/
    (s12*s123*s134*s34*z34) - (2*s13*s14*s24*z4)/(s12*s124*s134*s34*z34) + 
   (2*s13*s23*s24*z4)/(s12*s123*s134*s34*z34) - 
   (2*s13*s23*s24*z4)/(s12*s124*s134*s34*z34) + 
   (2*s14*s23*s24*z4)/(s12*s123*s134*s34*z34) - 
   (2*s14*s23*s24*z4)/(s12*s124*s134*s34*z34) - 
   (8*s23*s24*z4)/(s234^2*s34*z34) - (2*s13*s24*z4)/(s123*s234*s34*z34) + 
   (2*s13*s24*z4)/(s124*s234*s34*z34) - (2*s13^2*s24*z4)/
    (s12*s123*s234*s34*z34) + (2*s13^2*s24*z4)/(s12*s124*s234*s34*z34) + 
   (8*s13*s24*z4)/(s134*s234*s34*z34) - (2*s13*s14*s24*z4)/
    (s12*s123*s234*s34*z34) + (2*s13*s14*s24*z4)/(s12*s124*s234*s34*z34) - 
   (2*s23*s24*z4)/(s123*s234*s34*z34) + (2*s23*s24*z4)/(s124*s234*s34*z34) - 
   (6*s13*s23*s24*z4)/(s12*s123*s234*s34*z34) + 
   (6*s13*s23*s24*z4)/(s12*s124*s234*s34*z34) + 
   (4*s23*s24*z4)/(s134*s234*s34*z34) - (2*s14*s23*s24*z4)/
    (s12*s123*s234*s34*z34) + (2*s14*s23*s24*z4)/(s12*s124*s234*s34*z34) - 
   (4*s23^2*s24*z4)/(s12*s123*s234*s34*z34) + 
   (4*s23^2*s24*z4)/(s12*s124*s234*s34*z34) - 
   (2*s13*s24^2*z4)/(s12*s123*s234*s34*z34) + 
   (2*s13*s24^2*z4)/(s12*s124*s234*s34*z34) - 
   (2*s23*s24^2*z4)/(s12*s123*s234*s34*z34) + 
   (2*s23*s24^2*z4)/(s12*s124*s234*s34*z34) + 
   (2*s13*s34*z4)/(s12*s123*s134*z34) - (2*s13*s34*z4)/(s12*s124*s134*z34) + 
   (2*s23*s34*z4)/(s12*s123*s134*z34) - (2*s23*s34*z4)/(s12*s124*s134*z34) - 
   (2*s13*s34*z4)/(s12*s123*s234*z34) + (2*s13*s34*z4)/(s12*s124*s234*z34) - 
   (2*s23*s34*z4)/(s12*s123*s234*z34) + (2*s23*s34*z4)/(s12*s124*s234*z34)) + 
 k2k1*((4*s12)/s134^2 - (D*s12)/s134^2 + (6*s13)/s134^2 - (D*s13)/s134^2 + 
   (4*s12)/(s123*s134) - (4*s12)/(s124*s134) - (4*s13)/(s123*s134) + 
   (D*s13)/(s123*s134) - (D*s13)/(s124*s134) - (8*s13^2)/(s12*s123*s134) + 
   (D*s13^2)/(s12*s123*s134) + (4*s13^2)/(s12*s124*s134) - 
   (D*s13^2)/(s12*s124*s134) + (6*s14)/s134^2 - (D*s14)/s134^2 + 
   (D*s14)/(s123*s134) + (4*s14)/(s124*s134) - (D*s14)/(s124*s134) - 
   (16*s13*s14)/(s12*s123*s134) + (2*D*s13*s14)/(s12*s123*s134) + 
   (16*s13*s14)/(s12*s124*s134) - (2*D*s13*s14)/(s12*s124*s134) - 
   (4*s14^2)/(s12*s123*s134) + (D*s14^2)/(s12*s123*s134) + 
   (8*s14^2)/(s12*s124*s134) - (D*s14^2)/(s12*s124*s134) + (4*s23)/s134^2 - 
   (D*s23)/s134^2 + (8*s23)/(s123*s134) - (D*s23)/(s123*s134) - 
   (8*s23)/(s124*s134) + (D*s23)/(s124*s134) - (4*s13*s23)/(s12*s123*s134) - 
   (4*s14*s23)/(s12*s123*s124) - (4*s13*s14*s23)/(s12^2*s123*s124) + 
   (8*s14*s23)/(s12*s124*s134) - (4*s14^2*s23)/(s12^2*s123*s124) + 
   (4*s23^2)/(s12*s123*s134) - (D*s23^2)/(s12*s123*s134) - 
   (4*s23^2)/(s12*s124*s134) + (D*s23^2)/(s12*s124*s134) - 
   (4*s14*s23^2)/(s12^2*s123*s124) + (4*s12)/s234^2 - (D*s12)/s234^2 + 
   (4*s13)/s234^2 - (D*s13)/s234^2 + (4*s14)/s234^2 - (D*s14)/s234^2 + 
   (6*s23)/s234^2 - (D*s23)/s234^2 - (4*s12)/(s123*s234) + 
   (4*s12)/(s124*s234) - (8*s13)/(s123*s234) + (D*s13)/(s123*s234) + 
   (8*s13)/(s124*s234) - (D*s13)/(s124*s234) - (4*s13^2)/(s12*s123*s234) + 
   (D*s13^2)/(s12*s123*s234) + (4*s13^2)/(s12*s124*s234) - 
   (D*s13^2)/(s12*s124*s234) + (12*s12)/(s134*s234) - (2*D*s12)/(s134*s234) + 
   (8*s13)/(s134*s234) - (2*D*s13)/(s134*s234) - (8*s14)/(s123*s234) + 
   (D*s14)/(s123*s234) + (8*s14)/(s124*s234) - (D*s14)/(s124*s234) - 
   (8*s13*s14)/(s12*s123*s234) + (2*D*s13*s14)/(s12*s123*s234) + 
   (8*s13*s14)/(s12*s124*s234) - (2*D*s13*s14)/(s12*s124*s234) + 
   (8*s14)/(s134*s234) - (2*D*s14)/(s134*s234) - (4*s14^2)/(s12*s123*s234) + 
   (D*s14^2)/(s12*s123*s234) + (4*s14^2)/(s12*s124*s234) - 
   (D*s14^2)/(s12*s124*s234) + (4*s23)/(s123*s234) - (D*s23)/(s123*s234) + 
   (D*s23)/(s124*s234) + (4*s13*s23)/(s12*s123*s234) + (8*s23)/(s134*s234) - 
   (2*D*s23)/(s134*s234) + (8*s14*s23)/(s12*s123*s234) + 
   (8*s23^2)/(s12*s123*s234) - (D*s23^2)/(s12*s123*s234) - 
   (4*s23^2)/(s12*s124*s234) + (D*s23^2)/(s12*s124*s234) - 
   (4*s13*s24)/(s12*s123*s124) - (4*s13^2*s24)/(s12^2*s123*s124) + 
   (4*s24)/s134^2 - (D*s24)/s134^2 + (8*s24)/(s123*s134) - 
   (D*s24)/(s123*s134) - (8*s24)/(s124*s134) + (D*s24)/(s124*s134) - 
   (8*s13*s24)/(s12*s123*s134) - (4*s13*s14*s24)/(s12^2*s123*s124) + 
   (4*s14*s24)/(s12*s124*s134) - (4*s13*s23*s24)/(s12^2*s123*s124) + 
   (8*s23*s24)/(s12*s123*s134) - (2*D*s23*s24)/(s12*s123*s134) - 
   (8*s23*s24)/(s12*s124*s134) + (2*D*s23*s24)/(s12*s124*s134) - 
   (4*s14*s23*s24)/(s12^2*s123*s124) + (6*s24)/s234^2 - (D*s24)/s234^2 - 
   (D*s24)/(s123*s234) - (4*s24)/(s124*s234) + (D*s24)/(s124*s234) - 
   (8*s13*s24)/(s12*s124*s234) + (8*s24)/(s134*s234) - 
   (2*D*s24)/(s134*s234) - (4*s14*s24)/(s12*s124*s234) + 
   (16*s23*s24)/(s12*s123*s234) - (2*D*s23*s24)/(s12*s123*s234) - 
   (16*s23*s24)/(s12*s124*s234) + (2*D*s23*s24)/(s12*s124*s234) - 
   (4*s13*s24^2)/(s12^2*s123*s124) + (4*s24^2)/(s12*s123*s134) - 
   (D*s24^2)/(s12*s123*s134) - (4*s24^2)/(s12*s124*s134) + 
   (D*s24^2)/(s12*s124*s134) + (4*s24^2)/(s12*s123*s234) - 
   (D*s24^2)/(s12*s123*s234) - (8*s24^2)/(s12*s124*s234) + 
   (D*s24^2)/(s12*s124*s234) + (4*s12*s13*s14)/(s134^2*s34^2) + 
   (4*s13^2*s14)/(s134^2*s34^2) + (4*s13*s14^2)/(s134^2*s34^2) + 
   (4*s13*s14*s23)/(s134^2*s34^2) - (4*s12*s14*s23)/(s134*s234*s34^2) - 
   (4*s13*s14*s23)/(s134*s234*s34^2) - (4*s14^2*s23)/(s134*s234*s34^2) - 
   (4*s14*s23^2)/(s134*s234*s34^2) + (4*s13*s14*s24)/(s134^2*s34^2) + 
   (4*s12*s23*s24)/(s234^2*s34^2) + (4*s13*s23*s24)/(s234^2*s34^2) + 
   (4*s14*s23*s24)/(s234^2*s34^2) + (4*s23^2*s24)/(s234^2*s34^2) - 
   (4*s12*s13*s24)/(s134*s234*s34^2) - (4*s13^2*s24)/(s134*s234*s34^2) - 
   (4*s13*s14*s24)/(s134*s234*s34^2) - (4*s13*s23*s24)/(s134*s234*s34^2) - 
   (4*s14*s23*s24)/(s134*s234*s34^2) + (4*s23*s24^2)/(s234^2*s34^2) - 
   (4*s13*s24^2)/(s134*s234*s34^2) + (2*s12*s13)/(s134^2*s34) + 
   (2*s13^2)/(s134^2*s34) + (2*s12*s14)/(s134^2*s34) + 
   (8*s13*s14)/(s134^2*s34) - (4*s13*s14)/(s123*s134*s34) + 
   (4*s13*s14)/(s124*s134*s34) - (4*s13^2*s14)/(s12*s123*s134*s34) + 
   (4*s13^2*s14)/(s12*s124*s134*s34) + (2*s14^2)/(s134^2*s34) - 
   (4*s13*s14^2)/(s12*s123*s134*s34) + (4*s13*s14^2)/(s12*s124*s134*s34) + 
   (2*s13*s23)/(s134^2*s34) + (2*s14*s23)/(s134^2*s34) + 
   (4*s14*s23)/(s124*s134*s34) - (4*s13*s14*s23)/(s12*s123*s134*s34) + 
   (8*s13*s14*s23)/(s12*s124*s134*s34) + (4*s14^2*s23)/(s12*s124*s134*s34) + 
   (4*s14*s23^2)/(s12*s124*s134*s34) + (2*s12*s23)/(s234^2*s34) + 
   (2*s13*s23)/(s234^2*s34) + (2*s14*s23)/(s234^2*s34) + 
   (2*s23^2)/(s234^2*s34) + (4*s12^2)/(s134*s234*s34) + 
   (4*s12*s13)/(s134*s234*s34) + (4*s12*s14)/(s134*s234*s34) + 
   (4*s12*s23)/(s134*s234*s34) + (4*s14*s23)/(s123*s234*s34) + 
   (4*s13*s14*s23)/(s12*s123*s234*s34) - (4*s14*s23)/(s134*s234*s34) + 
   (4*s14^2*s23)/(s12*s123*s234*s34) + (4*s14*s23^2)/(s12*s123*s234*s34) + 
   (2*s13*s24)/(s134^2*s34) - (4*s13*s24)/(s123*s134*s34) - 
   (4*s13^2*s24)/(s12*s123*s134*s34) + (2*s14*s24)/(s134^2*s34) - 
   (8*s13*s14*s24)/(s12*s123*s134*s34) + (4*s13*s14*s24)/
    (s12*s124*s134*s34) - (4*s13*s23*s24)/(s12*s123*s134*s34) + 
   (4*s14*s23*s24)/(s12*s124*s134*s34) + (2*s12*s24)/(s234^2*s34) + 
   (2*s13*s24)/(s234^2*s34) + (2*s14*s24)/(s234^2*s34) + 
   (8*s23*s24)/(s234^2*s34) - (4*s13*s24)/(s124*s234*s34) - 
   (4*s13^2*s24)/(s12*s124*s234*s34) + (4*s12*s24)/(s134*s234*s34) - 
   (4*s13*s24)/(s134*s234*s34) - (4*s13*s14*s24)/(s12*s124*s234*s34) + 
   (4*s23*s24)/(s123*s234*s34) - (4*s23*s24)/(s124*s234*s34) + 
   (4*s13*s23*s24)/(s12*s123*s234*s34) - (8*s13*s23*s24)/
    (s12*s124*s234*s34) + (8*s14*s23*s24)/(s12*s123*s234*s34) - 
   (4*s14*s23*s24)/(s12*s124*s234*s34) + (4*s23^2*s24)/(s12*s123*s234*s34) - 
   (4*s23^2*s24)/(s12*s124*s234*s34) - (4*s13*s24^2)/(s12*s123*s134*s34) + 
   (2*s24^2)/(s234^2*s34) - (4*s13*s24^2)/(s12*s124*s234*s34) + 
   (4*s23*s24^2)/(s12*s123*s234*s34) - (4*s23*s24^2)/(s12*s124*s234*s34) + 
   (12*s34)/(s123*s124) - (2*D*s34)/(s123*s124) + 
   (12*s13*s34)/(s12*s123*s124) - (2*D*s13*s34)/(s12*s123*s124) + 
   (4*s34)/s134^2 - (D*s34)/s134^2 + (4*s34)/(s123*s134) - 
   (4*s34)/(s124*s134) - (8*s13*s34)/(s12*s123*s134) + 
   (D*s13*s34)/(s12*s123*s134) + (4*s13*s34)/(s12*s124*s134) - 
   (D*s13*s34)/(s12*s124*s134) + (12*s14*s34)/(s12*s123*s124) - 
   (2*D*s14*s34)/(s12*s123*s124) - (4*s14*s34)/(s12*s123*s134) + 
   (D*s14*s34)/(s12*s123*s134) + (8*s14*s34)/(s12*s124*s134) - 
   (D*s14*s34)/(s12*s124*s134) + (12*s23*s34)/(s12*s123*s124) - 
   (2*D*s23*s34)/(s12*s123*s124) + (4*s23*s34)/(s12*s123*s134) - 
   (D*s23*s34)/(s12*s123*s134) - (4*s23*s34)/(s12*s124*s134) + 
   (D*s23*s34)/(s12*s124*s134) - (4*s14*s23*s34)/(s12^2*s123*s124) + 
   (4*s34)/s234^2 - (D*s34)/s234^2 - (4*s34)/(s123*s234) + 
   (4*s34)/(s124*s234) - (4*s13*s34)/(s12*s123*s234) + 
   (D*s13*s34)/(s12*s123*s234) + (4*s13*s34)/(s12*s124*s234) - 
   (D*s13*s34)/(s12*s124*s234) + (8*s34)/(s134*s234) - 
   (2*D*s34)/(s134*s234) - (4*s14*s34)/(s12*s123*s234) + 
   (D*s14*s34)/(s12*s123*s234) + (4*s14*s34)/(s12*s124*s234) - 
   (D*s14*s34)/(s12*s124*s234) + (8*s23*s34)/(s12*s123*s234) - 
   (D*s23*s34)/(s12*s123*s234) - (4*s23*s34)/(s12*s124*s234) + 
   (D*s23*s34)/(s12*s124*s234) + (12*s24*s34)/(s12*s123*s124) - 
   (2*D*s24*s34)/(s12*s123*s124) - (4*s13*s24*s34)/(s12^2*s123*s124) + 
   (4*s24*s34)/(s12*s123*s134) - (D*s24*s34)/(s12*s123*s134) - 
   (4*s24*s34)/(s12*s124*s134) + (D*s24*s34)/(s12*s124*s134) + 
   (4*s24*s34)/(s12*s123*s234) - (D*s24*s34)/(s12*s123*s234) - 
   (8*s24*s34)/(s12*s124*s234) + (D*s24*s34)/(s12*s124*s234) + 
   (12*s34^2)/(s12*s123*s124) - (2*D*s34^2)/(s12*s123*s124) + 
   (4*s12*z1)/(s123*s134*z12) - (4*s12*z1)/(s124*s134*z12) + 
   (8*s13*z1)/(s123*s134*z12) - (4*s13*z1)/(s124*s134*z12) + 
   (4*s13^2*z1)/(s12*s123*s134*z12) + (4*s14*z1)/(s123*s134*z12) - 
   (8*s14*z1)/(s124*s134*z12) + (4*s13*s14*z1)/(s12*s123*s134*z12) - 
   (4*s13*s14*z1)/(s12*s124*s134*z12) - (4*s14^2*z1)/(s12*s124*s134*z12) + 
   (8*s23*z1)/(s123*s134*z12) - (4*s23*z1)/(s124*s134*z12) + 
   (8*s13*s23*z1)/(s12*s123*s134*z12) + (4*s14*s23*z1)/(s12*s123*s134*z12) - 
   (4*s14*s23*z1)/(s12*s124*s134*z12) + (4*s23^2*z1)/(s12*s123*s134*z12) + 
   (4*s24*z1)/(s123*s134*z12) - (8*s24*z1)/(s124*s134*z12) + 
   (4*s13*s24*z1)/(s12*s123*s134*z12) - (4*s13*s24*z1)/(s12*s124*s134*z12) - 
   (8*s14*s24*z1)/(s12*s124*s134*z12) + (4*s23*s24*z1)/(s12*s123*s134*z12) - 
   (4*s23*s24*z1)/(s12*s124*s134*z12) - (4*s24^2*z1)/(s12*s124*s134*z12) + 
   (4*s34*z1)/(s123*s134*z12) - (4*s34*z1)/(s124*s134*z12) + 
   (4*s13*s34*z1)/(s12*s123*s134*z12) - (4*s14*s34*z1)/(s12*s124*s134*z12) + 
   (4*s23*s34*z1)/(s12*s123*s134*z12) - (4*s24*s34*z1)/(s12*s124*s134*z12) - 
   (4*s12*z2)/(s123*s234*z12) + (4*s12*z2)/(s124*s234*z12) - 
   (8*s13*z2)/(s123*s234*z12) + (4*s13*z2)/(s124*s234*z12) - 
   (4*s13^2*z2)/(s12*s123*s234*z12) - (4*s14*z2)/(s123*s234*z12) + 
   (8*s14*z2)/(s124*s234*z12) - (4*s13*s14*z2)/(s12*s123*s234*z12) + 
   (4*s13*s14*z2)/(s12*s124*s234*z12) + (4*s14^2*z2)/(s12*s124*s234*z12) - 
   (8*s23*z2)/(s123*s234*z12) + (4*s23*z2)/(s124*s234*z12) - 
   (8*s13*s23*z2)/(s12*s123*s234*z12) - (4*s14*s23*z2)/(s12*s123*s234*z12) + 
   (4*s14*s23*z2)/(s12*s124*s234*z12) - (4*s23^2*z2)/(s12*s123*s234*z12) - 
   (4*s24*z2)/(s123*s234*z12) + (8*s24*z2)/(s124*s234*z12) - 
   (4*s13*s24*z2)/(s12*s123*s234*z12) + (4*s13*s24*z2)/(s12*s124*s234*z12) + 
   (8*s14*s24*z2)/(s12*s124*s234*z12) - (4*s23*s24*z2)/(s12*s123*s234*z12) + 
   (4*s23*s24*z2)/(s12*s124*s234*z12) + (4*s24^2*z2)/(s12*s124*s234*z12) - 
   (4*s34*z2)/(s123*s234*z12) + (4*s34*z2)/(s124*s234*z12) - 
   (4*s13*s34*z2)/(s12*s123*s234*z12) + (4*s14*s34*z2)/(s12*s124*s234*z12) - 
   (4*s23*s34*z2)/(s12*s123*s234*z12) + (4*s24*s34*z2)/(s12*s124*s234*z12) + 
   (4*s12*z1)/(s134^2*z34) + (8*s13*z1)/(s134^2*z34) - 
   (2*s13*z1)/(s123*s134*z34) + (2*s13*z1)/(s124*s134*z34) - 
   (2*s13^2*z1)/(s12*s123*s134*z34) + (2*s13^2*z1)/(s12*s124*s134*z34) + 
   (8*s14*z1)/(s134^2*z34) - (2*s14*z1)/(s123*s134*z34) + 
   (2*s14*z1)/(s124*s134*z34) - (4*s13*s14*z1)/(s12*s123*s134*z34) + 
   (4*s13*s14*z1)/(s12*s124*s134*z34) - (2*s14^2*z1)/(s12*s123*s134*z34) + 
   (2*s14^2*z1)/(s12*s124*s134*z34) + (4*s23*z1)/(s134^2*z34) - 
   (2*s13*s23*z1)/(s12*s123*s134*z34) + (2*s13*s23*z1)/(s12*s124*s134*z34) - 
   (2*s14*s23*z1)/(s12*s123*s134*z34) + (2*s14*s23*z1)/(s12*s124*s134*z34) - 
   (4*s12*z1)/(s134*s234*z34) - (4*s13*z1)/(s134*s234*z34) - 
   (4*s14*z1)/(s134*s234*z34) + (2*s23*z1)/(s123*s234*z34) - 
   (2*s23*z1)/(s124*s234*z34) + (2*s13*s23*z1)/(s12*s123*s234*z34) - 
   (2*s13*s23*z1)/(s12*s124*s234*z34) - (8*s23*z1)/(s134*s234*z34) + 
   (2*s14*s23*z1)/(s12*s123*s234*z34) - (2*s14*s23*z1)/(s12*s124*s234*z34) + 
   (2*s23^2*z1)/(s12*s123*s234*z34) - (2*s23^2*z1)/(s12*s124*s234*z34) + 
   (4*s24*z1)/(s134^2*z34) - (2*s13*s24*z1)/(s12*s123*s134*z34) + 
   (2*s13*s24*z1)/(s12*s124*s134*z34) - (2*s14*s24*z1)/(s12*s123*s134*z34) + 
   (2*s14*s24*z1)/(s12*s124*s134*z34) + (2*s24*z1)/(s123*s234*z34) - 
   (2*s24*z1)/(s124*s234*z34) + (2*s13*s24*z1)/(s12*s123*s234*z34) - 
   (2*s13*s24*z1)/(s12*s124*s234*z34) - (8*s24*z1)/(s134*s234*z34) + 
   (2*s14*s24*z1)/(s12*s123*s234*z34) - (2*s14*s24*z1)/(s12*s124*s234*z34) + 
   (4*s23*s24*z1)/(s12*s123*s234*z34) - (4*s23*s24*z1)/(s12*s124*s234*z34) + 
   (2*s24^2*z1)/(s12*s123*s234*z34) - (2*s24^2*z1)/(s12*s124*s234*z34) + 
   (4*s12*s13*z1)/(s134^2*s34*z34) + (4*s13^2*z1)/(s134^2*s34*z34) + 
   (4*s12*s14*z1)/(s134^2*s34*z34) + (8*s13*s14*z1)/(s134^2*s34*z34) + 
   (4*s14^2*z1)/(s134^2*s34*z34) + (4*s13*s23*z1)/(s134^2*s34*z34) + 
   (4*s14*s23*z1)/(s134^2*s34*z34) - (4*s12*s23*z1)/(s134*s234*s34*z34) - 
   (4*s13*s23*z1)/(s134*s234*s34*z34) - (4*s14*s23*z1)/(s134*s234*s34*z34) - 
   (4*s23^2*z1)/(s134*s234*s34*z34) + (4*s13*s24*z1)/(s134^2*s34*z34) + 
   (4*s14*s24*z1)/(s134^2*s34*z34) - (4*s12*s24*z1)/(s134*s234*s34*z34) - 
   (4*s13*s24*z1)/(s134*s234*s34*z34) - (4*s14*s24*z1)/(s134*s234*s34*z34) - 
   (8*s23*s24*z1)/(s134*s234*s34*z34) - (4*s24^2*z1)/(s134*s234*s34*z34) + 
   (4*s34*z1)/(s134^2*z34) - (2*s34*z1)/(s123*s134*z34) + 
   (2*s34*z1)/(s124*s134*z34) - (4*s13*s34*z1)/(s12*s123*s134*z34) + 
   (4*s13*s34*z1)/(s12*s124*s134*z34) - (4*s14*s34*z1)/(s12*s123*s134*z34) + 
   (4*s14*s34*z1)/(s12*s124*s134*z34) - (2*s23*s34*z1)/(s12*s123*s134*z34) + 
   (2*s23*s34*z1)/(s12*s124*s134*z34) + (2*s34*z1)/(s123*s234*z34) - 
   (2*s34*z1)/(s124*s234*z34) + (2*s13*s34*z1)/(s12*s123*s234*z34) - 
   (2*s13*s34*z1)/(s12*s124*s234*z34) - (4*s34*z1)/(s134*s234*z34) + 
   (2*s14*s34*z1)/(s12*s123*s234*z34) - (2*s14*s34*z1)/(s12*s124*s234*z34) + 
   (4*s23*s34*z1)/(s12*s123*s234*z34) - (4*s23*s34*z1)/(s12*s124*s234*z34) - 
   (2*s24*s34*z1)/(s12*s123*s134*z34) + (2*s24*s34*z1)/(s12*s124*s134*z34) + 
   (4*s24*s34*z1)/(s12*s123*s234*z34) - (4*s24*s34*z1)/(s12*s124*s234*z34) - 
   (2*s34^2*z1)/(s12*s123*s134*z34) + (2*s34^2*z1)/(s12*s124*s134*z34) + 
   (2*s34^2*z1)/(s12*s123*s234*z34) - (2*s34^2*z1)/(s12*s124*s234*z34) - 
   (2*s13*z2)/(s123*s134*z34) + (2*s13*z2)/(s124*s134*z34) - 
   (2*s13^2*z2)/(s12*s123*s134*z34) + (2*s13^2*z2)/(s12*s124*s134*z34) - 
   (2*s14*z2)/(s123*s134*z34) + (2*s14*z2)/(s124*s134*z34) - 
   (4*s13*s14*z2)/(s12*s123*s134*z34) + (4*s13*s14*z2)/(s12*s124*s134*z34) - 
   (2*s14^2*z2)/(s12*s123*s134*z34) + (2*s14^2*z2)/(s12*s124*s134*z34) - 
   (2*s13*s23*z2)/(s12*s123*s134*z34) + (2*s13*s23*z2)/(s12*s124*s134*z34) - 
   (2*s14*s23*z2)/(s12*s123*s134*z34) + (2*s14*s23*z2)/(s12*s124*s134*z34) + 
   (4*s12*z2)/(s234^2*z34) + (4*s13*z2)/(s234^2*z34) + 
   (4*s14*z2)/(s234^2*z34) + (8*s23*z2)/(s234^2*z34) - 
   (4*s12*z2)/(s134*s234*z34) - (8*s13*z2)/(s134*s234*z34) - 
   (8*s14*z2)/(s134*s234*z34) + (2*s23*z2)/(s123*s234*z34) - 
   (2*s23*z2)/(s124*s234*z34) + (2*s13*s23*z2)/(s12*s123*s234*z34) - 
   (2*s13*s23*z2)/(s12*s124*s234*z34) - (4*s23*z2)/(s134*s234*z34) + 
   (2*s14*s23*z2)/(s12*s123*s234*z34) - (2*s14*s23*z2)/(s12*s124*s234*z34) + 
   (2*s23^2*z2)/(s12*s123*s234*z34) - (2*s23^2*z2)/(s12*s124*s234*z34) - 
   (2*s13*s24*z2)/(s12*s123*s134*z34) + (2*s13*s24*z2)/(s12*s124*s134*z34) - 
   (2*s14*s24*z2)/(s12*s123*s134*z34) + (2*s14*s24*z2)/(s12*s124*s134*z34) + 
   (8*s24*z2)/(s234^2*z34) + (2*s24*z2)/(s123*s234*z34) - 
   (2*s24*z2)/(s124*s234*z34) + (2*s13*s24*z2)/(s12*s123*s234*z34) - 
   (2*s13*s24*z2)/(s12*s124*s234*z34) - (4*s24*z2)/(s134*s234*z34) + 
   (2*s14*s24*z2)/(s12*s123*s234*z34) - (2*s14*s24*z2)/(s12*s124*s234*z34) + 
   (4*s23*s24*z2)/(s12*s123*s234*z34) - (4*s23*s24*z2)/(s12*s124*s234*z34) + 
   (2*s24^2*z2)/(s12*s123*s234*z34) - (2*s24^2*z2)/(s12*s124*s234*z34) + 
   (4*s12*s23*z2)/(s234^2*s34*z34) + (4*s13*s23*z2)/(s234^2*s34*z34) + 
   (4*s14*s23*z2)/(s234^2*s34*z34) + (4*s23^2*z2)/(s234^2*s34*z34) - 
   (4*s12*s13*z2)/(s134*s234*s34*z34) - (4*s13^2*z2)/(s134*s234*s34*z34) - 
   (4*s12*s14*z2)/(s134*s234*s34*z34) - (8*s13*s14*z2)/(s134*s234*s34*z34) - 
   (4*s14^2*z2)/(s134*s234*s34*z34) - (4*s13*s23*z2)/(s134*s234*s34*z34) - 
   (4*s14*s23*z2)/(s134*s234*s34*z34) + (4*s12*s24*z2)/(s234^2*s34*z34) + 
   (4*s13*s24*z2)/(s234^2*s34*z34) + (4*s14*s24*z2)/(s234^2*s34*z34) + 
   (8*s23*s24*z2)/(s234^2*s34*z34) - (4*s13*s24*z2)/(s134*s234*s34*z34) - 
   (4*s14*s24*z2)/(s134*s234*s34*z34) + (4*s24^2*z2)/(s234^2*s34*z34) - 
   (2*s34*z2)/(s123*s134*z34) + (2*s34*z2)/(s124*s134*z34) - 
   (4*s13*s34*z2)/(s12*s123*s134*z34) + (4*s13*s34*z2)/(s12*s124*s134*z34) - 
   (4*s14*s34*z2)/(s12*s123*s134*z34) + (4*s14*s34*z2)/(s12*s124*s134*z34) - 
   (2*s23*s34*z2)/(s12*s123*s134*z34) + (2*s23*s34*z2)/(s12*s124*s134*z34) + 
   (4*s34*z2)/(s234^2*z34) + (2*s34*z2)/(s123*s234*z34) - 
   (2*s34*z2)/(s124*s234*z34) + (2*s13*s34*z2)/(s12*s123*s234*z34) - 
   (2*s13*s34*z2)/(s12*s124*s234*z34) - (4*s34*z2)/(s134*s234*z34) + 
   (2*s14*s34*z2)/(s12*s123*s234*z34) - (2*s14*s34*z2)/(s12*s124*s234*z34) + 
   (4*s23*s34*z2)/(s12*s123*s234*z34) - (4*s23*s34*z2)/(s12*s124*s234*z34) - 
   (2*s24*s34*z2)/(s12*s123*s134*z34) + (2*s24*s34*z2)/(s12*s124*s134*z34) + 
   (4*s24*s34*z2)/(s12*s123*s234*z34) - (4*s24*s34*z2)/(s12*s124*s234*z34) - 
   (2*s34^2*z2)/(s12*s123*s134*z34) + (2*s34^2*z2)/(s12*s124*s134*z34) + 
   (2*s34^2*z2)/(s12*s123*s234*z34) - (2*s34^2*z2)/(s12*s124*s234*z34) - 
   (4*s14*z3)/(s134^2*z34) + (2*s14*z3)/(s123*s134*z34) - 
   (2*s14*z3)/(s124*s134*z34) + (4*s13*s14*z3)/(s12*s123*s134*z34) - 
   (4*s13*s14*z3)/(s12*s124*s134*z34) + (4*s14^2*z3)/(s12*s123*s134*z34) - 
   (4*s14^2*z3)/(s12*s124*s134*z34) + (2*s14*s23*z3)/(s12*s123*s134*z34) - 
   (2*s14*s23*z3)/(s12*s124*s134*z34) - (2*s14*z3)/(s123*s234*z34) + 
   (2*s14*z3)/(s124*s234*z34) - (2*s13*s14*z3)/(s12*s123*s234*z34) + 
   (2*s13*s14*z3)/(s12*s124*s234*z34) + (4*s14*z3)/(s134*s234*z34) - 
   (2*s14^2*z3)/(s12*s123*s234*z34) + (2*s14^2*z3)/(s12*s124*s234*z34) - 
   (4*s14*s23*z3)/(s12*s123*s234*z34) + (4*s14*s23*z3)/(s12*s124*s234*z34) + 
   (2*s24*z3)/(s123*s134*z34) - (2*s24*z3)/(s124*s134*z34) + 
   (4*s13*s24*z3)/(s12*s123*s134*z34) - (4*s13*s24*z3)/(s12*s124*s134*z34) + 
   (6*s14*s24*z3)/(s12*s123*s134*z34) - (6*s14*s24*z3)/(s12*s124*s134*z34) + 
   (2*s23*s24*z3)/(s12*s123*s134*z34) - (2*s23*s24*z3)/(s12*s124*s134*z34) - 
   (4*s24*z3)/(s234^2*z34) - (2*s24*z3)/(s123*s234*z34) + 
   (2*s24*z3)/(s124*s234*z34) - (2*s13*s24*z3)/(s12*s123*s234*z34) + 
   (2*s13*s24*z3)/(s12*s124*s234*z34) + (4*s24*z3)/(s134*s234*z34) - 
   (6*s14*s24*z3)/(s12*s123*s234*z34) + (6*s14*s24*z3)/(s12*s124*s234*z34) - 
   (4*s23*s24*z3)/(s12*s123*s234*z34) + (4*s23*s24*z3)/(s12*s124*s234*z34) + 
   (2*s24^2*z3)/(s12*s123*s134*z34) - (2*s24^2*z3)/(s12*s124*s134*z34) - 
   (4*s24^2*z3)/(s12*s123*s234*z34) + (4*s24^2*z3)/(s12*s124*s234*z34) - 
   (4*s12*s13*s14*z3)/(s134^2*s34^2*z34) - (4*s13^2*s14*z3)/
    (s134^2*s34^2*z34) - (4*s12*s14^2*z3)/(s134^2*s34^2*z34) - 
   (8*s13*s14^2*z3)/(s134^2*s34^2*z34) - (4*s14^3*z3)/(s134^2*s34^2*z34) - 
   (4*s13*s14*s23*z3)/(s134^2*s34^2*z34) - (4*s14^2*s23*z3)/
    (s134^2*s34^2*z34) + (4*s12*s14*s23*z3)/(s134*s234*s34^2*z34) + 
   (4*s13*s14*s23*z3)/(s134*s234*s34^2*z34) + 
   (4*s14^2*s23*z3)/(s134*s234*s34^2*z34) + (4*s14*s23^2*z3)/
    (s134*s234*s34^2*z34) - (4*s13*s14*s24*z3)/(s134^2*s34^2*z34) - 
   (4*s14^2*s24*z3)/(s134^2*s34^2*z34) - (4*s12*s23*s24*z3)/
    (s234^2*s34^2*z34) - (4*s13*s23*s24*z3)/(s234^2*s34^2*z34) - 
   (4*s14*s23*s24*z3)/(s234^2*s34^2*z34) - (4*s23^2*s24*z3)/
    (s234^2*s34^2*z34) + (4*s12*s13*s24*z3)/(s134*s234*s34^2*z34) + 
   (4*s13^2*s24*z3)/(s134*s234*s34^2*z34) + (8*s12*s14*s24*z3)/
    (s134*s234*s34^2*z34) + (12*s13*s14*s24*z3)/(s134*s234*s34^2*z34) + 
   (8*s14^2*s24*z3)/(s134*s234*s34^2*z34) + (4*s13*s23*s24*z3)/
    (s134*s234*s34^2*z34) + (12*s14*s23*s24*z3)/(s134*s234*s34^2*z34) - 
   (4*s12*s24^2*z3)/(s234^2*s34^2*z34) - (4*s13*s24^2*z3)/
    (s234^2*s34^2*z34) - (4*s14*s24^2*z3)/(s234^2*s34^2*z34) - 
   (8*s23*s24^2*z3)/(s234^2*s34^2*z34) + (4*s13*s24^2*z3)/
    (s134*s234*s34^2*z34) + (8*s14*s24^2*z3)/(s134*s234*s34^2*z34) - 
   (4*s24^3*z3)/(s234^2*s34^2*z34) - (4*s12*s14*z3)/(s134^2*s34*z34) - 
   (8*s13*s14*z3)/(s134^2*s34*z34) + (2*s13*s14*z3)/(s123*s134*s34*z34) - 
   (2*s13*s14*z3)/(s124*s134*s34*z34) + (2*s13^2*s14*z3)/
    (s12*s123*s134*s34*z34) - (2*s13^2*s14*z3)/(s12*s124*s134*s34*z34) - 
   (8*s14^2*z3)/(s134^2*s34*z34) + (2*s14^2*z3)/(s123*s134*s34*z34) - 
   (2*s14^2*z3)/(s124*s134*s34*z34) + (4*s13*s14^2*z3)/
    (s12*s123*s134*s34*z34) - (4*s13*s14^2*z3)/(s12*s124*s134*s34*z34) + 
   (2*s14^3*z3)/(s12*s123*s134*s34*z34) - 
   (2*s14^3*z3)/(s12*s124*s134*s34*z34) - (4*s14*s23*z3)/(s134^2*s34*z34) + 
   (2*s13*s14*s23*z3)/(s12*s123*s134*s34*z34) - 
   (2*s13*s14*s23*z3)/(s12*s124*s134*s34*z34) + 
   (2*s14^2*s23*z3)/(s12*s123*s134*s34*z34) - 
   (2*s14^2*s23*z3)/(s12*s124*s134*s34*z34) + 
   (4*s12*s14*z3)/(s134*s234*s34*z34) + (4*s13*s14*z3)/(s134*s234*s34*z34) + 
   (4*s14^2*z3)/(s134*s234*s34*z34) - (2*s14*s23*z3)/(s123*s234*s34*z34) + 
   (2*s14*s23*z3)/(s124*s234*s34*z34) - (2*s13*s14*s23*z3)/
    (s12*s123*s234*s34*z34) + (2*s13*s14*s23*z3)/(s12*s124*s234*s34*z34) + 
   (8*s14*s23*z3)/(s134*s234*s34*z34) - (2*s14^2*s23*z3)/
    (s12*s123*s234*s34*z34) + (2*s14^2*s23*z3)/(s12*s124*s234*s34*z34) - 
   (2*s14*s23^2*z3)/(s12*s123*s234*s34*z34) + 
   (2*s14*s23^2*z3)/(s12*s124*s234*s34*z34) + 
   (2*s13*s24*z3)/(s123*s134*s34*z34) - (2*s13*s24*z3)/(s124*s134*s34*z34) + 
   (2*s13^2*s24*z3)/(s12*s123*s134*s34*z34) - 
   (2*s13^2*s24*z3)/(s12*s124*s134*s34*z34) - 
   (4*s14*s24*z3)/(s134^2*s34*z34) + (2*s14*s24*z3)/(s123*s134*s34*z34) - 
   (2*s14*s24*z3)/(s124*s134*s34*z34) + (6*s13*s14*s24*z3)/
    (s12*s123*s134*s34*z34) - (6*s13*s14*s24*z3)/(s12*s124*s134*s34*z34) + 
   (4*s14^2*s24*z3)/(s12*s123*s134*s34*z34) - 
   (4*s14^2*s24*z3)/(s12*s124*s134*s34*z34) + (2*s13*s23*s24*z3)/
    (s12*s123*s134*s34*z34) - (2*s13*s23*s24*z3)/(s12*s124*s134*s34*z34) + 
   (2*s14*s23*s24*z3)/(s12*s123*s134*s34*z34) - 
   (2*s14*s23*s24*z3)/(s12*s124*s134*s34*z34) - 
   (4*s12*s24*z3)/(s234^2*s34*z34) - (4*s13*s24*z3)/(s234^2*s34*z34) - 
   (4*s14*s24*z3)/(s234^2*s34*z34) - (8*s23*s24*z3)/(s234^2*s34*z34) + 
   (4*s12*s24*z3)/(s134*s234*s34*z34) + (8*s13*s24*z3)/(s134*s234*s34*z34) - 
   (2*s14*s24*z3)/(s123*s234*s34*z34) + (2*s14*s24*z3)/(s124*s234*s34*z34) - 
   (2*s13*s14*s24*z3)/(s12*s123*s234*s34*z34) + 
   (2*s13*s14*s24*z3)/(s12*s124*s234*s34*z34) + 
   (16*s14*s24*z3)/(s134*s234*s34*z34) - (2*s14^2*s24*z3)/
    (s12*s123*s234*s34*z34) + (2*s14^2*s24*z3)/(s12*s124*s234*s34*z34) - 
   (2*s23*s24*z3)/(s123*s234*s34*z34) + (2*s23*s24*z3)/(s124*s234*s34*z34) - 
   (2*s13*s23*s24*z3)/(s12*s123*s234*s34*z34) + 
   (2*s13*s23*s24*z3)/(s12*s124*s234*s34*z34) + 
   (4*s23*s24*z3)/(s134*s234*s34*z34) - (6*s14*s23*s24*z3)/
    (s12*s123*s234*s34*z34) + (6*s14*s23*s24*z3)/(s12*s124*s234*s34*z34) - 
   (2*s23^2*s24*z3)/(s12*s123*s234*s34*z34) + 
   (2*s23^2*s24*z3)/(s12*s124*s234*s34*z34) + 
   (2*s13*s24^2*z3)/(s12*s123*s134*s34*z34) - 
   (2*s13*s24^2*z3)/(s12*s124*s134*s34*z34) + 
   (2*s14*s24^2*z3)/(s12*s123*s134*s34*z34) - 
   (2*s14*s24^2*z3)/(s12*s124*s134*s34*z34) - (8*s24^2*z3)/(s234^2*s34*z34) - 
   (2*s24^2*z3)/(s123*s234*s34*z34) + (2*s24^2*z3)/(s124*s234*s34*z34) - 
   (2*s13*s24^2*z3)/(s12*s123*s234*s34*z34) + 
   (2*s13*s24^2*z3)/(s12*s124*s234*s34*z34) + 
   (4*s24^2*z3)/(s134*s234*s34*z34) - (4*s14*s24^2*z3)/
    (s12*s123*s234*s34*z34) + (4*s14*s24^2*z3)/(s12*s124*s234*s34*z34) - 
   (4*s23*s24^2*z3)/(s12*s123*s234*s34*z34) + 
   (4*s23*s24^2*z3)/(s12*s124*s234*s34*z34) - 
   (2*s24^3*z3)/(s12*s123*s234*s34*z34) + 
   (2*s24^3*z3)/(s12*s124*s234*s34*z34) + (2*s14*s34*z3)/
    (s12*s123*s134*z34) - (2*s14*s34*z3)/(s12*s124*s134*z34) - 
   (2*s14*s34*z3)/(s12*s123*s234*z34) + (2*s14*s34*z3)/(s12*s124*s234*z34) + 
   (2*s24*s34*z3)/(s12*s123*s134*z34) - (2*s24*s34*z3)/(s12*s124*s134*z34) - 
   (2*s24*s34*z3)/(s12*s123*s234*z34) + (2*s24*s34*z3)/(s12*s124*s234*z34) + 
   (4*s12*z3*z4)/(s134^2*z34^2) + (12*s13*z3*z4)/(s134^2*z34^2) + 
   (12*s14*z3*z4)/(s134^2*z34^2) + (4*s23*z3*z4)/(s134^2*z34^2) + 
   (4*s12*z3*z4)/(s234^2*z34^2) + (4*s13*z3*z4)/(s234^2*z34^2) + 
   (4*s14*z3*z4)/(s234^2*z34^2) + (12*s23*z3*z4)/(s234^2*z34^2) - 
   (8*s12*z3*z4)/(s134*s234*z34^2) - (16*s13*z3*z4)/(s134*s234*z34^2) - 
   (16*s14*z3*z4)/(s134*s234*z34^2) - (16*s23*z3*z4)/(s134*s234*z34^2) + 
   (4*s24*z3*z4)/(s134^2*z34^2) + (12*s24*z3*z4)/(s234^2*z34^2) - 
   (16*s24*z3*z4)/(s134*s234*z34^2) + (4*s12*s13^2*z3*z4)/
    (s134^2*s34^2*z34^2) + (4*s13^3*z3*z4)/(s134^2*s34^2*z34^2) + 
   (8*s12*s13*s14*z3*z4)/(s134^2*s34^2*z34^2) + 
   (12*s13^2*s14*z3*z4)/(s134^2*s34^2*z34^2) + (4*s12*s14^2*z3*z4)/
    (s134^2*s34^2*z34^2) + (12*s13*s14^2*z3*z4)/(s134^2*s34^2*z34^2) + 
   (4*s14^3*z3*z4)/(s134^2*s34^2*z34^2) + (4*s13^2*s23*z3*z4)/
    (s134^2*s34^2*z34^2) + (8*s13*s14*s23*z3*z4)/(s134^2*s34^2*z34^2) + 
   (4*s14^2*s23*z3*z4)/(s134^2*s34^2*z34^2) + (4*s12*s23^2*z3*z4)/
    (s234^2*s34^2*z34^2) + (4*s13*s23^2*z3*z4)/(s234^2*s34^2*z34^2) + 
   (4*s14*s23^2*z3*z4)/(s234^2*s34^2*z34^2) + 
   (4*s23^3*z3*z4)/(s234^2*s34^2*z34^2) - (8*s12*s13*s23*z3*z4)/
    (s134*s234*s34^2*z34^2) - (8*s13^2*s23*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (8*s12*s14*s23*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (16*s13*s14*s23*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (8*s14^2*s23*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (8*s13*s23^2*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (8*s14*s23^2*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (4*s13^2*s24*z3*z4)/(s134^2*s34^2*z34^2) + (8*s13*s14*s24*z3*z4)/
    (s134^2*s34^2*z34^2) + (4*s14^2*s24*z3*z4)/(s134^2*s34^2*z34^2) + 
   (8*s12*s23*s24*z3*z4)/(s234^2*s34^2*z34^2) + (8*s13*s23*s24*z3*z4)/
    (s234^2*s34^2*z34^2) + (8*s14*s23*s24*z3*z4)/(s234^2*s34^2*z34^2) + 
   (12*s23^2*s24*z3*z4)/(s234^2*s34^2*z34^2) - (8*s12*s13*s24*z3*z4)/
    (s134*s234*s34^2*z34^2) - (8*s13^2*s24*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (8*s12*s14*s24*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (16*s13*s14*s24*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (8*s14^2*s24*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (16*s13*s23*s24*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (16*s14*s23*s24*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (4*s12*s24^2*z3*z4)/(s234^2*s34^2*z34^2) + (4*s13*s24^2*z3*z4)/
    (s234^2*s34^2*z34^2) + (4*s14*s24^2*z3*z4)/(s234^2*s34^2*z34^2) + 
   (12*s23*s24^2*z3*z4)/(s234^2*s34^2*z34^2) - (8*s13*s24^2*z3*z4)/
    (s134*s234*s34^2*z34^2) - (8*s14*s24^2*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (4*s24^3*z3*z4)/(s234^2*s34^2*z34^2) + (8*s12*s13*z3*z4)/
    (s134^2*s34*z34^2) + (12*s13^2*z3*z4)/(s134^2*s34*z34^2) + 
   (8*s12*s14*z3*z4)/(s134^2*s34*z34^2) + (24*s13*s14*z3*z4)/
    (s134^2*s34*z34^2) + (12*s14^2*z3*z4)/(s134^2*s34*z34^2) + 
   (8*s13*s23*z3*z4)/(s134^2*s34*z34^2) + (8*s14*s23*z3*z4)/
    (s134^2*s34*z34^2) + (8*s12*s23*z3*z4)/(s234^2*s34*z34^2) + 
   (8*s13*s23*z3*z4)/(s234^2*s34*z34^2) + (8*s14*s23*z3*z4)/
    (s234^2*s34*z34^2) + (12*s23^2*z3*z4)/(s234^2*s34*z34^2) - 
   (8*s12*s13*z3*z4)/(s134*s234*s34*z34^2) - 
   (8*s13^2*z3*z4)/(s134*s234*s34*z34^2) - (8*s12*s14*z3*z4)/
    (s134*s234*s34*z34^2) - (16*s13*s14*z3*z4)/(s134*s234*s34*z34^2) - 
   (8*s14^2*z3*z4)/(s134*s234*s34*z34^2) - (8*s12*s23*z3*z4)/
    (s134*s234*s34*z34^2) - (24*s13*s23*z3*z4)/(s134*s234*s34*z34^2) - 
   (24*s14*s23*z3*z4)/(s134*s234*s34*z34^2) - 
   (8*s23^2*z3*z4)/(s134*s234*s34*z34^2) + (8*s13*s24*z3*z4)/
    (s134^2*s34*z34^2) + (8*s14*s24*z3*z4)/(s134^2*s34*z34^2) + 
   (8*s12*s24*z3*z4)/(s234^2*s34*z34^2) + (8*s13*s24*z3*z4)/
    (s234^2*s34*z34^2) + (8*s14*s24*z3*z4)/(s234^2*s34*z34^2) + 
   (24*s23*s24*z3*z4)/(s234^2*s34*z34^2) - (8*s12*s24*z3*z4)/
    (s134*s234*s34*z34^2) - (24*s13*s24*z3*z4)/(s134*s234*s34*z34^2) - 
   (24*s14*s24*z3*z4)/(s134*s234*s34*z34^2) - (16*s23*s24*z3*z4)/
    (s134*s234*s34*z34^2) + (12*s24^2*z3*z4)/(s234^2*s34*z34^2) - 
   (8*s24^2*z3*z4)/(s134*s234*s34*z34^2) + (4*s34*z3*z4)/(s134^2*z34^2) + 
   (4*s34*z3*z4)/(s234^2*z34^2) - (8*s34*z3*z4)/(s134*s234*z34^2) - 
   (4*s13*z4)/(s134^2*z34) + (2*s13*z4)/(s123*s134*z34) - 
   (2*s13*z4)/(s124*s134*z34) + (4*s13^2*z4)/(s12*s123*s134*z34) - 
   (4*s13^2*z4)/(s12*s124*s134*z34) + (4*s13*s14*z4)/(s12*s123*s134*z34) - 
   (4*s13*s14*z4)/(s12*s124*s134*z34) + (2*s23*z4)/(s123*s134*z34) - 
   (2*s23*z4)/(s124*s134*z34) + (6*s13*s23*z4)/(s12*s123*s134*z34) - 
   (6*s13*s23*z4)/(s12*s124*s134*z34) + (4*s14*s23*z4)/(s12*s123*s134*z34) - 
   (4*s14*s23*z4)/(s12*s124*s134*z34) + (2*s23^2*z4)/(s12*s123*s134*z34) - 
   (2*s23^2*z4)/(s12*s124*s134*z34) - (4*s23*z4)/(s234^2*z34) - 
   (2*s13*z4)/(s123*s234*z34) + (2*s13*z4)/(s124*s234*z34) - 
   (2*s13^2*z4)/(s12*s123*s234*z34) + (2*s13^2*z4)/(s12*s124*s234*z34) + 
   (4*s13*z4)/(s134*s234*z34) - (2*s13*s14*z4)/(s12*s123*s234*z34) + 
   (2*s13*s14*z4)/(s12*s124*s234*z34) - (2*s23*z4)/(s123*s234*z34) + 
   (2*s23*z4)/(s124*s234*z34) - (6*s13*s23*z4)/(s12*s123*s234*z34) + 
   (6*s13*s23*z4)/(s12*s124*s234*z34) + (4*s23*z4)/(s134*s234*z34) - 
   (2*s14*s23*z4)/(s12*s123*s234*z34) + (2*s14*s23*z4)/(s12*s124*s234*z34) - 
   (4*s23^2*z4)/(s12*s123*s234*z34) + (4*s23^2*z4)/(s12*s124*s234*z34) + 
   (2*s13*s24*z4)/(s12*s123*s134*z34) - (2*s13*s24*z4)/(s12*s124*s134*z34) + 
   (2*s23*s24*z4)/(s12*s123*s134*z34) - (2*s23*s24*z4)/(s12*s124*s134*z34) - 
   (4*s13*s24*z4)/(s12*s123*s234*z34) + (4*s13*s24*z4)/(s12*s124*s234*z34) - 
   (4*s23*s24*z4)/(s12*s123*s234*z34) + (4*s23*s24*z4)/(s12*s124*s234*z34) - 
   (4*s12*s13^2*z4)/(s134^2*s34^2*z34) - (4*s13^3*z4)/(s134^2*s34^2*z34) - 
   (4*s12*s13*s14*z4)/(s134^2*s34^2*z34) - (8*s13^2*s14*z4)/
    (s134^2*s34^2*z34) - (4*s13*s14^2*z4)/(s134^2*s34^2*z34) - 
   (4*s13^2*s23*z4)/(s134^2*s34^2*z34) - (4*s13*s14*s23*z4)/
    (s134^2*s34^2*z34) - (4*s12*s23^2*z4)/(s234^2*s34^2*z34) - 
   (4*s13*s23^2*z4)/(s234^2*s34^2*z34) - (4*s14*s23^2*z4)/
    (s234^2*s34^2*z34) - (4*s23^3*z4)/(s234^2*s34^2*z34) + 
   (8*s12*s13*s23*z4)/(s134*s234*s34^2*z34) + 
   (8*s13^2*s23*z4)/(s134*s234*s34^2*z34) + (4*s12*s14*s23*z4)/
    (s134*s234*s34^2*z34) + (12*s13*s14*s23*z4)/(s134*s234*s34^2*z34) + 
   (4*s14^2*s23*z4)/(s134*s234*s34^2*z34) + (8*s13*s23^2*z4)/
    (s134*s234*s34^2*z34) + (4*s14*s23^2*z4)/(s134*s234*s34^2*z34) - 
   (4*s13^2*s24*z4)/(s134^2*s34^2*z34) - (4*s13*s14*s24*z4)/
    (s134^2*s34^2*z34) - (4*s12*s23*s24*z4)/(s234^2*s34^2*z34) - 
   (4*s13*s23*s24*z4)/(s234^2*s34^2*z34) - (4*s14*s23*s24*z4)/
    (s234^2*s34^2*z34) - (8*s23^2*s24*z4)/(s234^2*s34^2*z34) + 
   (4*s12*s13*s24*z4)/(s134*s234*s34^2*z34) + 
   (4*s13^2*s24*z4)/(s134*s234*s34^2*z34) + (4*s13*s14*s24*z4)/
    (s134*s234*s34^2*z34) + (12*s13*s23*s24*z4)/(s134*s234*s34^2*z34) + 
   (4*s14*s23*s24*z4)/(s134*s234*s34^2*z34) - 
   (4*s23*s24^2*z4)/(s234^2*s34^2*z34) + (4*s13*s24^2*z4)/
    (s134*s234*s34^2*z34) - (4*s12*s13*z4)/(s134^2*s34*z34) - 
   (8*s13^2*z4)/(s134^2*s34*z34) + (2*s13^2*z4)/(s123*s134*s34*z34) - 
   (2*s13^2*z4)/(s124*s134*s34*z34) + (2*s13^3*z4)/(s12*s123*s134*s34*z34) - 
   (2*s13^3*z4)/(s12*s124*s134*s34*z34) - (8*s13*s14*z4)/(s134^2*s34*z34) + 
   (2*s13*s14*z4)/(s123*s134*s34*z34) - (2*s13*s14*z4)/(s124*s134*s34*z34) + 
   (4*s13^2*s14*z4)/(s12*s123*s134*s34*z34) - 
   (4*s13^2*s14*z4)/(s12*s124*s134*s34*z34) + 
   (2*s13*s14^2*z4)/(s12*s123*s134*s34*z34) - 
   (2*s13*s14^2*z4)/(s12*s124*s134*s34*z34) - 
   (4*s13*s23*z4)/(s134^2*s34*z34) + (2*s13*s23*z4)/(s123*s134*s34*z34) - 
   (2*s13*s23*z4)/(s124*s134*s34*z34) + (4*s13^2*s23*z4)/
    (s12*s123*s134*s34*z34) - (4*s13^2*s23*z4)/(s12*s124*s134*s34*z34) + 
   (2*s14*s23*z4)/(s123*s134*s34*z34) - (2*s14*s23*z4)/(s124*s134*s34*z34) + 
   (6*s13*s14*s23*z4)/(s12*s123*s134*s34*z34) - 
   (6*s13*s14*s23*z4)/(s12*s124*s134*s34*z34) + 
   (2*s14^2*s23*z4)/(s12*s123*s134*s34*z34) - 
   (2*s14^2*s23*z4)/(s12*s124*s134*s34*z34) + 
   (2*s13*s23^2*z4)/(s12*s123*s134*s34*z34) - 
   (2*s13*s23^2*z4)/(s12*s124*s134*s34*z34) + 
   (2*s14*s23^2*z4)/(s12*s123*s134*s34*z34) - 
   (2*s14*s23^2*z4)/(s12*s124*s134*s34*z34) - 
   (4*s12*s23*z4)/(s234^2*s34*z34) - (4*s13*s23*z4)/(s234^2*s34*z34) - 
   (4*s14*s23*z4)/(s234^2*s34*z34) - (8*s23^2*z4)/(s234^2*s34*z34) + 
   (4*s12*s13*z4)/(s134*s234*s34*z34) + (4*s13^2*z4)/(s134*s234*s34*z34) + 
   (4*s13*s14*z4)/(s134*s234*s34*z34) - (2*s13*s23*z4)/(s123*s234*s34*z34) + 
   (2*s13*s23*z4)/(s124*s234*s34*z34) - (2*s13^2*s23*z4)/
    (s12*s123*s234*s34*z34) + (2*s13^2*s23*z4)/(s12*s124*s234*s34*z34) + 
   (4*s12*s23*z4)/(s134*s234*s34*z34) + (16*s13*s23*z4)/(s134*s234*s34*z34) - 
   (2*s13*s14*s23*z4)/(s12*s123*s234*s34*z34) + 
   (2*s13*s14*s23*z4)/(s12*s124*s234*s34*z34) + 
   (8*s14*s23*z4)/(s134*s234*s34*z34) - (2*s23^2*z4)/(s123*s234*s34*z34) + 
   (2*s23^2*z4)/(s124*s234*s34*z34) - (4*s13*s23^2*z4)/
    (s12*s123*s234*s34*z34) + (4*s13*s23^2*z4)/(s12*s124*s234*s34*z34) + 
   (4*s23^2*z4)/(s134*s234*s34*z34) - (2*s14*s23^2*z4)/
    (s12*s123*s234*s34*z34) + (2*s14*s23^2*z4)/(s12*s124*s234*s34*z34) - 
   (2*s23^3*z4)/(s12*s123*s234*s34*z34) + 
   (2*s23^3*z4)/(s12*s124*s234*s34*z34) - (4*s13*s24*z4)/(s134^2*s34*z34) + 
   (2*s13^2*s24*z4)/(s12*s123*s134*s34*z34) - 
   (2*s13^2*s24*z4)/(s12*s124*s134*s34*z34) + (2*s13*s14*s24*z4)/
    (s12*s123*s134*s34*z34) - (2*s13*s14*s24*z4)/(s12*s124*s134*s34*z34) + 
   (2*s13*s23*s24*z4)/(s12*s123*s134*s34*z34) - 
   (2*s13*s23*s24*z4)/(s12*s124*s134*s34*z34) + 
   (2*s14*s23*s24*z4)/(s12*s123*s134*s34*z34) - 
   (2*s14*s23*s24*z4)/(s12*s124*s134*s34*z34) - 
   (8*s23*s24*z4)/(s234^2*s34*z34) - (2*s13*s24*z4)/(s123*s234*s34*z34) + 
   (2*s13*s24*z4)/(s124*s234*s34*z34) - (2*s13^2*s24*z4)/
    (s12*s123*s234*s34*z34) + (2*s13^2*s24*z4)/(s12*s124*s234*s34*z34) + 
   (8*s13*s24*z4)/(s134*s234*s34*z34) - (2*s13*s14*s24*z4)/
    (s12*s123*s234*s34*z34) + (2*s13*s14*s24*z4)/(s12*s124*s234*s34*z34) - 
   (2*s23*s24*z4)/(s123*s234*s34*z34) + (2*s23*s24*z4)/(s124*s234*s34*z34) - 
   (6*s13*s23*s24*z4)/(s12*s123*s234*s34*z34) + 
   (6*s13*s23*s24*z4)/(s12*s124*s234*s34*z34) + 
   (4*s23*s24*z4)/(s134*s234*s34*z34) - (2*s14*s23*s24*z4)/
    (s12*s123*s234*s34*z34) + (2*s14*s23*s24*z4)/(s12*s124*s234*s34*z34) - 
   (4*s23^2*s24*z4)/(s12*s123*s234*s34*z34) + 
   (4*s23^2*s24*z4)/(s12*s124*s234*s34*z34) - 
   (2*s13*s24^2*z4)/(s12*s123*s234*s34*z34) + 
   (2*s13*s24^2*z4)/(s12*s124*s234*s34*z34) - 
   (2*s23*s24^2*z4)/(s12*s123*s234*s34*z34) + 
   (2*s23*s24^2*z4)/(s12*s124*s234*s34*z34) + 
   (2*s13*s34*z4)/(s12*s123*s134*z34) - (2*s13*s34*z4)/(s12*s124*s134*z34) + 
   (2*s23*s34*z4)/(s12*s123*s134*z34) - (2*s23*s34*z4)/(s12*s124*s134*z34) - 
   (2*s13*s34*z4)/(s12*s123*s234*z34) + (2*s13*s34*z4)/(s12*s124*s234*z34) - 
   (2*s23*s34*z4)/(s12*s123*s234*z34) + (2*s23*s34*z4)/(s12*s124*s234*z34)) + 
 k2k3*((-2*s13)/s134^2 + (D*s13)/s134^2 - (4*s12)/(s123*s134) + 
   (D*s12)/(s123*s134) - (D*s12)/(s124*s134) - (8*s13)/(s123*s134) + 
   (D*s13)/(s123*s134) - (D*s13)/(s124*s134) - (4*s13^2)/(s12*s123*s134) - 
   (4*s14)/s124^2 + (D*s14)/s124^2 - (6*s14)/(s123*s124) + 
   (D*s14)/(s123*s124) - (4*s13*s14)/(s12*s124^2) + 
   (D*s13*s14)/(s12*s124^2) - (4*s13*s14)/(s12*s123*s124) + 
   (D*s13*s14)/(s12*s123*s124) + (2*s13^2*s14)/(s12^2*s123*s124) - 
   (4*s14)/s134^2 + (D*s14)/s134^2 - (8*s14)/(s123*s134) + 
   (D*s14)/(s123*s134) - (D*s14)/(s124*s134) - (D*s13*s14)/(s12*s123*s134) + 
   (4*s13*s14)/(s12*s124*s134) - (D*s13*s14)/(s12*s124*s134) - 
   (6*s14^2)/(s12*s124^2) + (D*s14^2)/(s12*s124^2) - 
   (6*s14^2)/(s12*s123*s124) + (D*s14^2)/(s12*s123*s124) - 
   (2*s13*s14^2)/(s12^2*s124^2) + (2*s13*s14^2)/(s12^2*s123*s124) + 
   (4*s14^2)/(s12*s123*s134) - (D*s14^2)/(s12*s123*s134) - 
   (4*s14^2)/(s12*s124*s134) - (D*s14^2)/(s12*s124*s134) - 
   (2*s14^3)/(s12^2*s124^2) - (4*s23)/(s123*s134) + (D*s23)/(s123*s134) - 
   (D*s23)/(s124*s134) - (4*s13*s23)/(s12*s123*s134) - 
   (4*s14*s23)/(s12*s124^2) + (D*s14*s23)/(s12*s124^2) - 
   (8*s14*s23)/(s12*s123*s124) + (D*s14*s23)/(s12*s123*s124) + 
   (4*s14*s23)/(s12*s124*s134) - (2*s14^2*s23)/(s12^2*s124^2) - 
   (2*s14^2*s23)/(s12^2*s123*s124) - (2*s14*s23^2)/(s12^2*s123*s124) - 
   (D*s12)/(s123*s234) - (4*s12)/(s124*s234) + (D*s12)/(s124*s234) - 
   (D*s13)/(s123*s234) - (4*s13)/(s124*s234) + (D*s13)/(s124*s234) + 
   (2*s12)/(s134*s234) - (4*s13)/(s134*s234) + (D*s13)/(s134*s234) - 
   (D*s14)/(s123*s234) - (8*s14)/(s124*s234) + (D*s14)/(s124*s234) + 
   (4*s13*s14)/(s12*s123*s234) - (D*s13*s14)/(s12*s123*s234) - 
   (D*s13*s14)/(s12*s124*s234) - (6*s14)/(s134*s234) + (D*s14)/(s134*s234) + 
   (4*s14^2)/(s12*s123*s234) - (D*s14^2)/(s12*s123*s234) - 
   (D*s14^2)/(s12*s124*s234) - (D*s23)/(s123*s234) - (4*s23)/(s124*s234) + 
   (D*s23)/(s124*s234) - (4*s14*s23)/(s12*s123*s234) - 
   (4*s14*s23)/(s12*s124*s234) - (2*s24)/s124^2 + (D*s24)/s124^2 - 
   (4*s24)/(s123*s124) + (D*s24)/(s123*s124) - (2*s13*s24)/(s12*s124^2) + 
   (D*s13*s24)/(s12*s124^2) - (4*s13*s24)/(s12*s123*s124) + 
   (D*s13*s24)/(s12*s123*s124) - (4*s24)/(s123*s134) + (D*s24)/(s123*s134) - 
   (D*s24)/(s124*s134) - (D*s13*s24)/(s12*s123*s134) - 
   (D*s13*s24)/(s12*s124*s134) - (4*s14*s24)/(s12*s124^2) + 
   (2*D*s14*s24)/(s12*s124^2) - (10*s14*s24)/(s12*s123*s124) + 
   (2*D*s14*s24)/(s12*s123*s124) + (2*s13*s14*s24)/(s12^2*s124^2) + 
   (2*s13*s14*s24)/(s12^2*s123*s124) + (4*s14*s24)/(s12*s123*s134) - 
   (D*s14*s24)/(s12*s123*s134) + (4*s14*s24)/(s12*s124*s134) - 
   (D*s14*s24)/(s12*s124*s134) - (2*s23*s24)/(s12*s124^2) + 
   (D*s23*s24)/(s12*s124^2) - (4*s23*s24)/(s12*s123*s124) + 
   (D*s23*s24)/(s12*s123*s124) + (2*s14*s23*s24)/(s12^2*s124^2) - 
   (2*s14*s23*s24)/(s12^2*s123*s124) - (D*s24)/(s123*s234) - 
   (8*s24)/(s124*s234) + (D*s24)/(s124*s234) - (D*s13*s24)/(s12*s123*s234) + 
   (4*s13*s24)/(s12*s124*s234) - (D*s13*s24)/(s12*s124*s234) + 
   (4*s14*s24)/(s12*s123*s234) - (D*s14*s24)/(s12*s123*s234) - 
   (D*s14*s24)/(s12*s124*s234) - (2*s24^2)/(s12*s124^2) + 
   (D*s24^2)/(s12*s124^2) - (4*s24^2)/(s12*s123*s124) + 
   (D*s24^2)/(s12*s123*s124) + (2*s14*s24^2)/(s12^2*s124^2) + 
   (2*s12*s13*s14)/(s134^2*s34^2) + (2*s13^2*s14)/(s134^2*s34^2) - 
   (2*s12*s14^2)/(s134^2*s34^2) - (2*s14^3)/(s134^2*s34^2) + 
   (2*s13*s14*s23)/(s134^2*s34^2) - (2*s14^2*s23)/(s134^2*s34^2) - 
   (2*s12*s14*s23)/(s134*s234*s34^2) - (2*s13*s14*s23)/(s134*s234*s34^2) - 
   (2*s14^2*s23)/(s134*s234*s34^2) - (2*s14*s23^2)/(s134*s234*s34^2) + 
   (2*s13*s14*s24)/(s134^2*s34^2) - (2*s14^2*s24)/(s134^2*s34^2) + 
   (2*s12*s14*s24)/(s134*s234*s34^2) + (2*s13*s14*s24)/(s134*s234*s34^2) + 
   (2*s14^2*s24)/(s134*s234*s34^2) + (2*s14*s24^2)/(s134*s234*s34^2) - 
   (2*s12*s13)/(s134^2*s34) + (D*s12*s13)/(s134^2*s34) - 
   (2*s13^2)/(s134^2*s34) + (D*s13^2)/(s134^2*s34) - 
   (4*s12*s14)/(s134^2*s34) + (D*s12*s14)/(s134^2*s34) - 
   (4*s13*s14)/(s134^2*s34) + (2*D*s13*s14)/(s134^2*s34) - 
   (4*s12*s14)/(s123*s134*s34) - (D*s13*s14)/(s123*s134*s34) + 
   (4*s13*s14)/(s124*s134*s34) - (D*s13*s14)/(s124*s134*s34) + 
   (4*s13^2*s14)/(s12*s123*s134*s34) - (D*s13^2*s14)/(s12*s123*s134*s34) + 
   (4*s13^2*s14)/(s12*s124*s134*s34) - (D*s13^2*s14)/(s12*s124*s134*s34) - 
   (6*s14^2)/(s134^2*s34) + (D*s14^2)/(s134^2*s34) - 
   (D*s14^2)/(s123*s134*s34) - (4*s14^2)/(s124*s134*s34) - 
   (D*s14^2)/(s124*s134*s34) + (8*s13*s14^2)/(s12*s123*s134*s34) - 
   (2*D*s13*s14^2)/(s12*s123*s134*s34) - (2*D*s13*s14^2)/
    (s12*s124*s134*s34) + (4*s14^3)/(s12*s123*s134*s34) - 
   (D*s14^3)/(s12*s123*s134*s34) - (4*s14^3)/(s12*s124*s134*s34) - 
   (D*s14^3)/(s12*s124*s134*s34) - (2*s13*s23)/(s134^2*s34) + 
   (D*s13*s23)/(s134^2*s34) - (4*s14*s23)/(s134^2*s34) + 
   (D*s14*s23)/(s134^2*s34) - (4*s14*s23)/(s123*s134*s34) + 
   (4*s14*s23)/(s124*s134*s34) + (4*s13*s14*s23)/(s12*s123*s134*s34) - 
   (D*s13*s14*s23)/(s12*s123*s134*s34) + (8*s13*s14*s23)/
    (s12*s124*s134*s34) - (D*s13*s14*s23)/(s12*s124*s134*s34) + 
   (4*s14^2*s23)/(s12*s123*s134*s34) - (D*s14^2*s23)/(s12*s123*s134*s34) - 
   (D*s14^2*s23)/(s12*s124*s134*s34) + (4*s14*s23^2)/(s12*s124*s134*s34) + 
   (2*s12^2)/(s134*s234*s34) - (2*s12*s13)/(s134*s234*s34) + 
   (D*s12*s13)/(s134*s234*s34) - (4*s13^2)/(s134*s234*s34) + 
   (D*s13^2)/(s134*s234*s34) + (4*s13*s14)/(s123*s234*s34) - 
   (D*s13*s14)/(s123*s234*s34) + (4*s13*s14)/(s124*s234*s34) - 
   (D*s13*s14)/(s124*s234*s34) + (4*s13^2*s14)/(s12*s123*s234*s34) - 
   (D*s13^2*s14)/(s12*s123*s234*s34) + (4*s13^2*s14)/(s12*s124*s234*s34) - 
   (D*s13^2*s14)/(s12*s124*s234*s34) - (4*s12*s14)/(s134*s234*s34) + 
   (D*s12*s14)/(s134*s234*s34) - (10*s13*s14)/(s134*s234*s34) + 
   (2*D*s13*s14)/(s134*s234*s34) + (4*s14^2)/(s123*s234*s34) - 
   (D*s14^2)/(s123*s234*s34) + (4*s14^2)/(s124*s234*s34) - 
   (D*s14^2)/(s124*s234*s34) + (8*s13*s14^2)/(s12*s123*s234*s34) - 
   (2*D*s13*s14^2)/(s12*s123*s234*s34) + (8*s13*s14^2)/(s12*s124*s234*s34) - 
   (2*D*s13*s14^2)/(s12*s124*s234*s34) - (6*s14^2)/(s134*s234*s34) + 
   (D*s14^2)/(s134*s234*s34) + (4*s14^3)/(s12*s123*s234*s34) - 
   (D*s14^3)/(s12*s123*s234*s34) + (4*s14^3)/(s12*s124*s234*s34) - 
   (D*s14^3)/(s12*s124*s234*s34) + (2*s12*s23)/(s134*s234*s34) - 
   (4*s13*s23)/(s134*s234*s34) + (D*s13*s23)/(s134*s234*s34) - 
   (4*s14*s23)/(s123*s234*s34) - (D*s13*s14*s23)/(s12*s123*s234*s34) + 
   (4*s13*s14*s23)/(s12*s124*s234*s34) - (D*s13*s14*s23)/
    (s12*s124*s234*s34) - (8*s14*s23)/(s134*s234*s34) + 
   (D*s14*s23)/(s134*s234*s34) - (D*s14^2*s23)/(s12*s123*s234*s34) + 
   (4*s14^2*s23)/(s12*s124*s234*s34) - (D*s14^2*s23)/(s12*s124*s234*s34) - 
   (4*s14*s23^2)/(s12*s123*s234*s34) - (2*s13*s24)/(s134^2*s34) + 
   (D*s13*s24)/(s134^2*s34) + (4*s13*s24)/(s123*s134*s34) - 
   (D*s13*s24)/(s123*s134*s34) - (D*s13*s24)/(s124*s134*s34) + 
   (4*s13^2*s24)/(s12*s123*s134*s34) - (D*s13^2*s24)/(s12*s123*s134*s34) - 
   (D*s13^2*s24)/(s12*s124*s134*s34) - (4*s14*s24)/(s134^2*s34) + 
   (D*s14*s24)/(s134^2*s34) - (D*s14*s24)/(s123*s134*s34) + 
   (4*s14*s24)/(s124*s134*s34) - (D*s14*s24)/(s124*s134*s34) + 
   (12*s13*s14*s24)/(s12*s123*s134*s34) - (3*D*s13*s14*s24)/
    (s12*s123*s134*s34) + (8*s13*s14*s24)/(s12*s124*s134*s34) - 
   (3*D*s13*s14*s24)/(s12*s124*s134*s34) + 
   (8*s14^2*s24)/(s12*s123*s134*s34) - (2*D*s14^2*s24)/(s12*s123*s134*s34) - 
   (2*D*s14^2*s24)/(s12*s124*s134*s34) + (4*s13*s23*s24)/
    (s12*s123*s134*s34) - (D*s13*s23*s24)/(s12*s123*s134*s34) - 
   (D*s13*s23*s24)/(s12*s124*s134*s34) + (4*s14*s23*s24)/
    (s12*s123*s134*s34) - (D*s14*s23*s24)/(s12*s123*s134*s34) + 
   (8*s14*s23*s24)/(s12*s124*s134*s34) - (D*s14*s23*s24)/
    (s12*s124*s134*s34) - (4*s12*s24)/(s124*s234*s34) - 
   (D*s13*s24)/(s123*s234*s34) - (D*s13*s24)/(s124*s234*s34) - 
   (D*s13^2*s24)/(s12*s123*s234*s34) + (4*s13^2*s24)/(s12*s124*s234*s34) - 
   (D*s13^2*s24)/(s12*s124*s234*s34) + (2*s12*s24)/(s134*s234*s34) - 
   (4*s13*s24)/(s134*s234*s34) + (D*s13*s24)/(s134*s234*s34) + 
   (4*s14*s24)/(s123*s234*s34) - (D*s14*s24)/(s123*s234*s34) - 
   (D*s14*s24)/(s124*s234*s34) + (8*s13*s14*s24)/(s12*s123*s234*s34) - 
   (3*D*s13*s14*s24)/(s12*s123*s234*s34) + (12*s13*s14*s24)/
    (s12*s124*s234*s34) - (3*D*s13*s14*s24)/(s12*s124*s234*s34) - 
   (4*s14*s24)/(s134*s234*s34) + (D*s14*s24)/(s134*s234*s34) + 
   (8*s14^2*s24)/(s12*s123*s234*s34) - (2*D*s14^2*s24)/(s12*s123*s234*s34) + 
   (8*s14^2*s24)/(s12*s124*s234*s34) - (2*D*s14^2*s24)/(s12*s124*s234*s34) - 
   (4*s23*s24)/(s124*s234*s34) - (D*s13*s23*s24)/(s12*s123*s234*s34) + 
   (4*s13*s23*s24)/(s12*s124*s234*s34) - (D*s13*s23*s24)/
    (s12*s124*s234*s34) - (D*s14*s23*s24)/(s12*s123*s234*s34) + 
   (4*s14*s23*s24)/(s12*s124*s234*s34) - (D*s14*s23*s24)/
    (s12*s124*s234*s34) + (4*s13*s24^2)/(s12*s123*s134*s34) - 
   (D*s13*s24^2)/(s12*s123*s134*s34) - (D*s13*s24^2)/(s12*s124*s134*s34) + 
   (4*s14*s24^2)/(s12*s123*s134*s34) - (D*s14*s24^2)/(s12*s123*s134*s34) + 
   (4*s14*s24^2)/(s12*s124*s134*s34) - (D*s14*s24^2)/(s12*s124*s134*s34) - 
   (4*s24^2)/(s124*s234*s34) - (D*s13*s24^2)/(s12*s123*s234*s34) + 
   (4*s13*s24^2)/(s12*s124*s234*s34) - (D*s13*s24^2)/(s12*s124*s234*s34) + 
   (4*s14*s24^2)/(s12*s123*s234*s34) - (D*s14*s24^2)/(s12*s123*s234*s34) + 
   (4*s14*s24^2)/(s12*s124*s234*s34) - (D*s14*s24^2)/(s12*s124*s234*s34) + 
   (2*s34)/(s123*s124) + (2*s13*s34)/(s12*s123*s124) - (4*s34)/(s123*s134) + 
   (D*s34)/(s123*s134) - (D*s34)/(s124*s134) - (4*s13*s34)/(s12*s123*s134) - 
   (4*s14*s34)/(s12*s124^2) + (D*s14*s34)/(s12*s124^2) - 
   (4*s14*s34)/(s12*s123*s124) + (D*s14*s34)/(s12*s123*s124) + 
   (2*s13*s14*s34)/(s12^2*s123*s124) - (2*s14^2*s34)/(s12^2*s124^2) + 
   (2*s23*s34)/(s12*s123*s124) - (2*s14*s23*s34)/(s12^2*s123*s124) - 
   (D*s34)/(s123*s234) - (4*s34)/(s124*s234) + (D*s34)/(s124*s234) - 
   (4*s14*s34)/(s12*s124*s234) - (2*s24*s34)/(s12*s124^2) + 
   (D*s24*s34)/(s12*s124^2) - (2*s24*s34)/(s12*s123*s124) + 
   (D*s24*s34)/(s12*s123*s124) + (2*s14*s24*s34)/(s12^2*s124^2) + 
   (2*s34^2)/(s12*s123*s124) + (2*s12*z1)/(s123*s134*z12) - 
   (2*s12*z1)/(s124*s134*z12) + (4*s13*z1)/(s123*s134*z12) - 
   (2*s13*z1)/(s124*s134*z12) + (2*s13^2*z1)/(s12*s123*s134*z12) + 
   (2*s14*z1)/(s124^2*z12) - (2*s14*z1)/(s123*s124*z12) + 
   (2*s13*s14*z1)/(s12*s124^2*z12) - (4*s13*s14*z1)/(s12*s123*s124*z12) - 
   (2*s13^2*s14*z1)/(s12^2*s123*s124*z12) - (2*s14*z1)/(s123*s134*z12) - 
   (2*s13*s14*z1)/(s12*s123*s134*z12) - (2*s13*s14*z1)/(s12*s124*s134*z12) + 
   (4*s14^2*z1)/(s12*s124^2*z12) - (2*s14^2*z1)/(s12*s123*s124*z12) + 
   (2*s13*s14^2*z1)/(s12^2*s124^2*z12) - (2*s13*s14^2*z1)/
    (s12^2*s123*s124*z12) + (2*s14^2*z1)/(s12*s124*s134*z12) + 
   (2*s14^3*z1)/(s12^2*s124^2*z12) + (4*s23*z1)/(s123*s134*z12) - 
   (2*s23*z1)/(s124*s134*z12) + (4*s13*s23*z1)/(s12*s123*s134*z12) + 
   (2*s14*s23*z1)/(s12*s124^2*z12) - (4*s14*s23*z1)/(s12*s123*s124*z12) - 
   (4*s13*s14*s23*z1)/(s12^2*s123*s124*z12) - 
   (2*s14*s23*z1)/(s12*s123*s134*z12) - (2*s14*s23*z1)/(s12*s124*s134*z12) + 
   (2*s14^2*s23*z1)/(s12^2*s124^2*z12) - (2*s14^2*s23*z1)/
    (s12^2*s123*s124*z12) + (2*s23^2*z1)/(s12*s123*s134*z12) - 
   (2*s14*s23^2*z1)/(s12^2*s123*s124*z12) - (2*s12*z1)/(s123*s234*z12) + 
   (2*s12*z1)/(s124*s234*z12) - (4*s13*z1)/(s123*s234*z12) + 
   (2*s13*z1)/(s124*s234*z12) - (2*s13^2*z1)/(s12*s123*s234*z12) - 
   (2*s14*z1)/(s123*s234*z12) + (4*s14*z1)/(s124*s234*z12) - 
   (2*s13*s14*z1)/(s12*s123*s234*z12) + (2*s13*s14*z1)/(s12*s124*s234*z12) + 
   (2*s14^2*z1)/(s12*s124*s234*z12) - (4*s23*z1)/(s123*s234*z12) + 
   (2*s23*z1)/(s124*s234*z12) - (4*s13*s23*z1)/(s12*s123*s234*z12) - 
   (2*s14*s23*z1)/(s12*s123*s234*z12) + (2*s14*s23*z1)/(s12*s124*s234*z12) - 
   (2*s23^2*z1)/(s12*s123*s234*z12) + (2*s24*z1)/(s123*s134*z12) - 
   (4*s24*z1)/(s124*s134*z12) + (2*s13*s24*z1)/(s12*s123*s134*z12) - 
   (2*s13*s24*z1)/(s12*s124*s134*z12) + (4*s14*s24*z1)/(s12*s124^2*z12) - 
   (2*s14*s24*z1)/(s12*s123*s124*z12) + (2*s13*s14*s24*z1)/
    (s12^2*s124^2*z12) - (2*s13*s14*s24*z1)/(s12^2*s123*s124*z12) + 
   (4*s14^2*s24*z1)/(s12^2*s124^2*z12) + (2*s23*s24*z1)/(s12*s123*s134*z12) - 
   (2*s23*s24*z1)/(s12*s124*s134*z12) + (2*s14*s23*s24*z1)/
    (s12^2*s124^2*z12) - (2*s14*s23*s24*z1)/(s12^2*s123*s124*z12) + 
   (2*s24*z1)/(s123*s234*z12) + (2*s13*s24*z1)/(s12*s123*s234*z12) + 
   (2*s13*s24*z1)/(s12*s124*s234*z12) + (2*s23*s24*z1)/(s12*s123*s234*z12) + 
   (2*s23*s24*z1)/(s12*s124*s234*z12) - (2*s24^2*z1)/(s12*s124*s134*z12) + 
   (2*s14*s24^2*z1)/(s12^2*s124^2*z12) - (2*s24^2*z1)/(s12*s124*s234*z12) - 
   (4*s12*s14*z1)/(s123*s134*s34*z12) + (4*s12*s14*z1)/(s124*s134*s34*z12) - 
   (8*s13*s14*z1)/(s123*s134*s34*z12) + (4*s13*s14*z1)/(s124*s134*s34*z12) - 
   (4*s13^2*s14*z1)/(s12*s123*s134*s34*z12) - 
   (4*s14^2*z1)/(s123*s134*s34*z12) + (8*s14^2*z1)/(s124*s134*s34*z12) - 
   (4*s13*s14^2*z1)/(s12*s123*s134*s34*z12) + 
   (4*s13*s14^2*z1)/(s12*s124*s134*s34*z12) + 
   (4*s14^3*z1)/(s12*s124*s134*s34*z12) - (8*s14*s23*z1)/
    (s123*s134*s34*z12) + (4*s14*s23*z1)/(s124*s134*s34*z12) - 
   (8*s13*s14*s23*z1)/(s12*s123*s134*s34*z12) - 
   (4*s14^2*s23*z1)/(s12*s123*s134*s34*z12) + 
   (4*s14^2*s23*z1)/(s12*s124*s134*s34*z12) - 
   (4*s14*s23^2*z1)/(s12*s123*s134*s34*z12) - 
   (4*s14*s24*z1)/(s123*s134*s34*z12) + (8*s14*s24*z1)/(s124*s134*s34*z12) - 
   (4*s13*s14*s24*z1)/(s12*s123*s134*s34*z12) + 
   (4*s13*s14*s24*z1)/(s12*s124*s134*s34*z12) + 
   (8*s14^2*s24*z1)/(s12*s124*s134*s34*z12) - (4*s14*s23*s24*z1)/
    (s12*s123*s134*s34*z12) + (4*s14*s23*s24*z1)/(s12*s124*s134*s34*z12) + 
   (4*s12*s24*z1)/(s123*s234*s34*z12) - (4*s12*s24*z1)/(s124*s234*s34*z12) + 
   (8*s13*s24*z1)/(s123*s234*s34*z12) - (4*s13*s24*z1)/(s124*s234*s34*z12) + 
   (4*s13^2*s24*z1)/(s12*s123*s234*s34*z12) + 
   (4*s14*s24*z1)/(s123*s234*s34*z12) - (8*s14*s24*z1)/(s124*s234*s34*z12) + 
   (4*s13*s14*s24*z1)/(s12*s123*s234*s34*z12) - 
   (4*s13*s14*s24*z1)/(s12*s124*s234*s34*z12) - 
   (4*s14^2*s24*z1)/(s12*s124*s234*s34*z12) + 
   (8*s23*s24*z1)/(s123*s234*s34*z12) - (4*s23*s24*z1)/(s124*s234*s34*z12) + 
   (8*s13*s23*s24*z1)/(s12*s123*s234*s34*z12) + 
   (4*s14*s23*s24*z1)/(s12*s123*s234*s34*z12) - 
   (4*s14*s23*s24*z1)/(s12*s124*s234*s34*z12) + 
   (4*s23^2*s24*z1)/(s12*s123*s234*s34*z12) + 
   (4*s14*s24^2*z1)/(s12*s124*s134*s34*z12) + 
   (4*s24^2*z1)/(s123*s234*s34*z12) - (8*s24^2*z1)/(s124*s234*s34*z12) + 
   (4*s13*s24^2*z1)/(s12*s123*s234*s34*z12) - 
   (4*s13*s24^2*z1)/(s12*s124*s234*s34*z12) - 
   (8*s14*s24^2*z1)/(s12*s124*s234*s34*z12) + 
   (4*s23*s24^2*z1)/(s12*s123*s234*s34*z12) - 
   (4*s23*s24^2*z1)/(s12*s124*s234*s34*z12) - 
   (4*s24^3*z1)/(s12*s124*s234*s34*z12) + (2*s34*z1)/(s123*s134*z12) - 
   (2*s34*z1)/(s124*s134*z12) + (2*s13*s34*z1)/(s12*s123*s134*z12) + 
   (2*s14*s34*z1)/(s12*s124^2*z12) - (2*s14*s34*z1)/(s12*s123*s124*z12) - 
   (2*s13*s14*s34*z1)/(s12^2*s123*s124*z12) - 
   (2*s14*s34*z1)/(s12*s124*s134*z12) + (2*s14^2*s34*z1)/(s12^2*s124^2*z12) + 
   (2*s23*s34*z1)/(s12*s123*s134*z12) - (2*s14*s23*s34*z1)/
    (s12^2*s123*s124*z12) - (2*s34*z1)/(s123*s234*z12) + 
   (2*s34*z1)/(s124*s234*z12) - (2*s13*s34*z1)/(s12*s123*s234*z12) + 
   (2*s14*s34*z1)/(s12*s124*s234*z12) - (2*s23*s34*z1)/(s12*s123*s234*z12) - 
   (2*s24*s34*z1)/(s12*s124*s134*z12) + (2*s14*s24*s34*z1)/
    (s12^2*s124^2*z12) + (2*s24*s34*z1)/(s12*s124*s234*z12) - 
   (2*s14*z2)/(s124^2*z12) + (2*s14*z2)/(s123*s124*z12) - 
   (2*s13*s14*z2)/(s12*s124^2*z12) + (4*s13*s14*z2)/(s12*s123*s124*z12) + 
   (2*s13^2*s14*z2)/(s12^2*s123*s124*z12) - (4*s14^2*z2)/(s12*s124^2*z12) + 
   (2*s14^2*z2)/(s12*s123*s124*z12) - (2*s13*s14^2*z2)/(s12^2*s124^2*z12) + 
   (2*s13*s14^2*z2)/(s12^2*s123*s124*z12) - (2*s14^3*z2)/(s12^2*s124^2*z12) - 
   (2*s14*s23*z2)/(s12*s124^2*z12) + (4*s14*s23*z2)/(s12*s123*s124*z12) + 
   (4*s13*s14*s23*z2)/(s12^2*s123*s124*z12) - 
   (2*s14^2*s23*z2)/(s12^2*s124^2*z12) + (2*s14^2*s23*z2)/
    (s12^2*s123*s124*z12) + (2*s14*s23^2*z2)/(s12^2*s123*s124*z12) - 
   (4*s14*s24*z2)/(s12*s124^2*z12) + (2*s14*s24*z2)/(s12*s123*s124*z12) - 
   (2*s13*s14*s24*z2)/(s12^2*s124^2*z12) + (2*s13*s14*s24*z2)/
    (s12^2*s123*s124*z12) - (4*s14^2*s24*z2)/(s12^2*s124^2*z12) - 
   (2*s14*s23*s24*z2)/(s12^2*s124^2*z12) + (2*s14*s23*s24*z2)/
    (s12^2*s123*s124*z12) - (2*s14*s24^2*z2)/(s12^2*s124^2*z12) - 
   (2*s14*s34*z2)/(s12*s124^2*z12) + (2*s14*s34*z2)/(s12*s123*s124*z12) + 
   (2*s13*s14*s34*z2)/(s12^2*s123*s124*z12) - 
   (2*s14^2*s34*z2)/(s12^2*s124^2*z12) + (2*s14*s23*s34*z2)/
    (s12^2*s123*s124*z12) - (2*s14*s24*s34*z2)/(s12^2*s124^2*z12) - 
   (2*s14*z3)/(s123*s134*z12) + (2*s14*z3)/(s124*s134*z12) - 
   (2*s13*s14*z3)/(s12*s123*s134*z12) + (2*s14^2*z3)/(s12*s124*s134*z12) - 
   (2*s14*s23*z3)/(s12*s123*s134*z12) - (2*s14*z3)/(s123*s234*z12) + 
   (2*s14*z3)/(s124*s234*z12) - (2*s13*s14*z3)/(s12*s123*s234*z12) + 
   (2*s14^2*z3)/(s12*s124*s234*z12) - (2*s14*s23*z3)/(s12*s123*s234*z12) + 
   (2*s14*s24*z3)/(s12*s124*s134*z12) + (2*s14*s24*z3)/(s12*s124*s234*z12) - 
   (2*s12*s14*z3)/(s123*s134*s34*z12) + (2*s12*s14*z3)/(s124*s134*s34*z12) - 
   (4*s13*s14*z3)/(s123*s134*s34*z12) + (2*s13*s14*z3)/(s124*s134*s34*z12) - 
   (2*s13^2*s14*z3)/(s12*s123*s134*s34*z12) - 
   (2*s14^2*z3)/(s123*s134*s34*z12) + (4*s14^2*z3)/(s124*s134*s34*z12) - 
   (2*s13*s14^2*z3)/(s12*s123*s134*s34*z12) + 
   (2*s13*s14^2*z3)/(s12*s124*s134*s34*z12) + 
   (2*s14^3*z3)/(s12*s124*s134*s34*z12) - (4*s14*s23*z3)/
    (s123*s134*s34*z12) + (2*s14*s23*z3)/(s124*s134*s34*z12) - 
   (4*s13*s14*s23*z3)/(s12*s123*s134*s34*z12) - 
   (2*s14^2*s23*z3)/(s12*s123*s134*s34*z12) + 
   (2*s14^2*s23*z3)/(s12*s124*s134*s34*z12) - 
   (2*s14*s23^2*z3)/(s12*s123*s134*s34*z12) - 
   (2*s12*s14*z3)/(s123*s234*s34*z12) + (2*s12*s14*z3)/(s124*s234*s34*z12) - 
   (4*s13*s14*z3)/(s123*s234*s34*z12) + (2*s13*s14*z3)/(s124*s234*s34*z12) - 
   (2*s13^2*s14*z3)/(s12*s123*s234*s34*z12) - 
   (2*s14^2*z3)/(s123*s234*s34*z12) + (4*s14^2*z3)/(s124*s234*s34*z12) - 
   (2*s13*s14^2*z3)/(s12*s123*s234*s34*z12) + 
   (2*s13*s14^2*z3)/(s12*s124*s234*s34*z12) + 
   (2*s14^3*z3)/(s12*s124*s234*s34*z12) - (4*s14*s23*z3)/
    (s123*s234*s34*z12) + (2*s14*s23*z3)/(s124*s234*s34*z12) - 
   (4*s13*s14*s23*z3)/(s12*s123*s234*s34*z12) - 
   (2*s14^2*s23*z3)/(s12*s123*s234*s34*z12) + 
   (2*s14^2*s23*z3)/(s12*s124*s234*s34*z12) - 
   (2*s14*s23^2*z3)/(s12*s123*s234*s34*z12) - 
   (2*s14*s24*z3)/(s123*s134*s34*z12) + (4*s14*s24*z3)/(s124*s134*s34*z12) - 
   (2*s13*s14*s24*z3)/(s12*s123*s134*s34*z12) + 
   (2*s13*s14*s24*z3)/(s12*s124*s134*s34*z12) + 
   (4*s14^2*s24*z3)/(s12*s124*s134*s34*z12) - (2*s14*s23*s24*z3)/
    (s12*s123*s134*s34*z12) + (2*s14*s23*s24*z3)/(s12*s124*s134*s34*z12) - 
   (2*s14*s24*z3)/(s123*s234*s34*z12) + (4*s14*s24*z3)/(s124*s234*s34*z12) - 
   (2*s13*s14*s24*z3)/(s12*s123*s234*s34*z12) + 
   (2*s13*s14*s24*z3)/(s12*s124*s234*s34*z12) + 
   (4*s14^2*s24*z3)/(s12*s124*s234*s34*z12) - (2*s14*s23*s24*z3)/
    (s12*s123*s234*s34*z12) + (2*s14*s23*s24*z3)/(s12*s124*s234*s34*z12) + 
   (2*s14*s24^2*z3)/(s12*s124*s134*s34*z12) + 
   (2*s14*s24^2*z3)/(s12*s124*s234*s34*z12) + (2*s12*z1)/(s134^2*z34) + 
   (4*s13*z1)/(s134^2*z34) + (4*s14*z1)/(s134^2*z34) + 
   (2*s23*z1)/(s134^2*z34) - (2*s12*z1)/(s134*s234*z34) - 
   (2*s13*z1)/(s134*s234*z34) - (2*s14*z1)/(s134*s234*z34) - 
   (4*s23*z1)/(s134*s234*z34) + (2*s24*z1)/(s134^2*z34) - 
   (2*s24*z1)/(s123*s134*z34) - (2*s24*z1)/(s124*s134*z34) - 
   (4*s13*s24*z1)/(s12*s123*s134*z34) - (4*s13*s24*z1)/(s12*s124*s134*z34) - 
   (4*s14*s24*z1)/(s12*s123*s134*z34) - (4*s14*s24*z1)/(s12*s124*s134*z34) - 
   (2*s23*s24*z1)/(s12*s123*s134*z34) - (2*s23*s24*z1)/(s12*s124*s134*z34) + 
   (2*s24*z1)/(s123*s234*z34) + (2*s24*z1)/(s124*s234*z34) + 
   (2*s13*s24*z1)/(s12*s123*s234*z34) + (2*s13*s24*z1)/(s12*s124*s234*z34) - 
   (4*s24*z1)/(s134*s234*z34) + (2*s14*s24*z1)/(s12*s123*s234*z34) + 
   (2*s14*s24*z1)/(s12*s124*s234*z34) + (4*s23*s24*z1)/(s12*s123*s234*z34) + 
   (4*s23*s24*z1)/(s12*s124*s234*z34) - (2*s24^2*z1)/(s12*s123*s134*z34) - 
   (2*s24^2*z1)/(s12*s124*s134*z34) + (4*s24^2*z1)/(s12*s123*s234*z34) + 
   (4*s24^2*z1)/(s12*s124*s234*z34) + (2*s12*s13*z1)/(s134^2*s34*z34) + 
   (2*s13^2*z1)/(s134^2*s34*z34) + (2*s12*s14*z1)/(s134^2*s34*z34) + 
   (4*s13*s14*z1)/(s134^2*s34*z34) + (2*s14^2*z1)/(s134^2*s34*z34) + 
   (2*s13*s23*z1)/(s134^2*s34*z34) + (2*s14*s23*z1)/(s134^2*s34*z34) - 
   (2*s12*s23*z1)/(s134*s234*s34*z34) - (2*s13*s23*z1)/(s134*s234*s34*z34) - 
   (2*s14*s23*z1)/(s134*s234*s34*z34) - (2*s23^2*z1)/(s134*s234*s34*z34) + 
   (2*s13*s24*z1)/(s134^2*s34*z34) - (2*s13*s24*z1)/(s123*s134*s34*z34) - 
   (2*s13*s24*z1)/(s124*s134*s34*z34) - (2*s13^2*s24*z1)/
    (s12*s123*s134*s34*z34) - (2*s13^2*s24*z1)/(s12*s124*s134*s34*z34) + 
   (2*s14*s24*z1)/(s134^2*s34*z34) - (2*s14*s24*z1)/(s123*s134*s34*z34) - 
   (2*s14*s24*z1)/(s124*s134*s34*z34) - (4*s13*s14*s24*z1)/
    (s12*s123*s134*s34*z34) - (4*s13*s14*s24*z1)/(s12*s124*s134*s34*z34) - 
   (2*s14^2*s24*z1)/(s12*s123*s134*s34*z34) - 
   (2*s14^2*s24*z1)/(s12*s124*s134*s34*z34) - (2*s13*s23*s24*z1)/
    (s12*s123*s134*s34*z34) - (2*s13*s23*s24*z1)/(s12*s124*s134*s34*z34) - 
   (2*s14*s23*s24*z1)/(s12*s123*s134*s34*z34) - 
   (2*s14*s23*s24*z1)/(s12*s124*s134*s34*z34) - 
   (2*s12*s24*z1)/(s134*s234*s34*z34) - (2*s13*s24*z1)/(s134*s234*s34*z34) - 
   (2*s14*s24*z1)/(s134*s234*s34*z34) + (2*s23*s24*z1)/(s123*s234*s34*z34) + 
   (2*s23*s24*z1)/(s124*s234*s34*z34) + (2*s13*s23*s24*z1)/
    (s12*s123*s234*s34*z34) + (2*s13*s23*s24*z1)/(s12*s124*s234*s34*z34) - 
   (4*s23*s24*z1)/(s134*s234*s34*z34) + (2*s14*s23*s24*z1)/
    (s12*s123*s234*s34*z34) + (2*s14*s23*s24*z1)/(s12*s124*s234*s34*z34) + 
   (2*s23^2*s24*z1)/(s12*s123*s234*s34*z34) + 
   (2*s23^2*s24*z1)/(s12*s124*s234*s34*z34) - 
   (2*s13*s24^2*z1)/(s12*s123*s134*s34*z34) - 
   (2*s13*s24^2*z1)/(s12*s124*s134*s34*z34) - 
   (2*s14*s24^2*z1)/(s12*s123*s134*s34*z34) - 
   (2*s14*s24^2*z1)/(s12*s124*s134*s34*z34) + 
   (2*s24^2*z1)/(s123*s234*s34*z34) + (2*s24^2*z1)/(s124*s234*s34*z34) + 
   (2*s13*s24^2*z1)/(s12*s123*s234*s34*z34) + 
   (2*s13*s24^2*z1)/(s12*s124*s234*s34*z34) - 
   (2*s24^2*z1)/(s134*s234*s34*z34) + (2*s14*s24^2*z1)/
    (s12*s123*s234*s34*z34) + (2*s14*s24^2*z1)/(s12*s124*s234*s34*z34) + 
   (4*s23*s24^2*z1)/(s12*s123*s234*s34*z34) + 
   (4*s23*s24^2*z1)/(s12*s124*s234*s34*z34) + 
   (2*s24^3*z1)/(s12*s123*s234*s34*z34) + 
   (2*s24^3*z1)/(s12*s124*s234*s34*z34) + (2*s34*z1)/(s134^2*z34) - 
   (2*s34*z1)/(s134*s234*z34) - (2*s24*s34*z1)/(s12*s123*s134*z34) - 
   (2*s24*s34*z1)/(s12*s124*s134*z34) + (2*s24*s34*z1)/(s12*s123*s234*z34) + 
   (2*s24*s34*z1)/(s12*s124*s234*z34) + (2*s14*z2)/(s123*s134*z34) + 
   (2*s14*z2)/(s124*s134*z34) + (4*s13*s14*z2)/(s12*s123*s134*z34) + 
   (4*s13*s14*z2)/(s12*s124*s134*z34) + (4*s14^2*z2)/(s12*s123*s134*z34) + 
   (4*s14^2*z2)/(s12*s124*s134*z34) + (2*s14*s23*z2)/(s12*s123*s134*z34) + 
   (2*s14*s23*z2)/(s12*s124*s134*z34) - (2*s14*z2)/(s123*s234*z34) - 
   (2*s14*z2)/(s124*s234*z34) - (2*s13*s14*z2)/(s12*s123*s234*z34) - 
   (2*s13*s14*z2)/(s12*s124*s234*z34) - (2*s14^2*z2)/(s12*s123*s234*z34) - 
   (2*s14^2*z2)/(s12*s124*s234*z34) - (4*s14*s23*z2)/(s12*s123*s234*z34) - 
   (4*s14*s23*z2)/(s12*s124*s234*z34) + (2*s14*s24*z2)/(s12*s123*s134*z34) + 
   (2*s14*s24*z2)/(s12*s124*s134*z34) - (4*s14*s24*z2)/(s12*s123*s234*z34) - 
   (4*s14*s24*z2)/(s12*s124*s234*z34) + (2*s13*s14*z2)/(s123*s134*s34*z34) + 
   (2*s13*s14*z2)/(s124*s134*s34*z34) + (2*s13^2*s14*z2)/
    (s12*s123*s134*s34*z34) + (2*s13^2*s14*z2)/(s12*s124*s134*s34*z34) + 
   (2*s14^2*z2)/(s123*s134*s34*z34) + (2*s14^2*z2)/(s124*s134*s34*z34) + 
   (4*s13*s14^2*z2)/(s12*s123*s134*s34*z34) + 
   (4*s13*s14^2*z2)/(s12*s124*s134*s34*z34) + 
   (2*s14^3*z2)/(s12*s123*s134*s34*z34) + 
   (2*s14^3*z2)/(s12*s124*s134*s34*z34) + (2*s13*s14*s23*z2)/
    (s12*s123*s134*s34*z34) + (2*s13*s14*s23*z2)/(s12*s124*s134*s34*z34) + 
   (2*s14^2*s23*z2)/(s12*s123*s134*s34*z34) + 
   (2*s14^2*s23*z2)/(s12*s124*s134*s34*z34) - 
   (2*s14*s23*z2)/(s123*s234*s34*z34) - (2*s14*s23*z2)/(s124*s234*s34*z34) - 
   (2*s13*s14*s23*z2)/(s12*s123*s234*s34*z34) - 
   (2*s13*s14*s23*z2)/(s12*s124*s234*s34*z34) - 
   (2*s14^2*s23*z2)/(s12*s123*s234*s34*z34) - 
   (2*s14^2*s23*z2)/(s12*s124*s234*s34*z34) - 
   (2*s14*s23^2*z2)/(s12*s123*s234*s34*z34) - 
   (2*s14*s23^2*z2)/(s12*s124*s234*s34*z34) + (2*s13*s14*s24*z2)/
    (s12*s123*s134*s34*z34) + (2*s13*s14*s24*z2)/(s12*s124*s134*s34*z34) + 
   (2*s14^2*s24*z2)/(s12*s123*s134*s34*z34) + 
   (2*s14^2*s24*z2)/(s12*s124*s134*s34*z34) - 
   (2*s14*s24*z2)/(s123*s234*s34*z34) - (2*s14*s24*z2)/(s124*s234*s34*z34) - 
   (2*s13*s14*s24*z2)/(s12*s123*s234*s34*z34) - 
   (2*s13*s14*s24*z2)/(s12*s124*s234*s34*z34) - 
   (2*s14^2*s24*z2)/(s12*s123*s234*s34*z34) - 
   (2*s14^2*s24*z2)/(s12*s124*s234*s34*z34) - (4*s14*s23*s24*z2)/
    (s12*s123*s234*s34*z34) - (4*s14*s23*s24*z2)/(s12*s124*s234*s34*z34) - 
   (2*s14*s24^2*z2)/(s12*s123*s234*s34*z34) - 
   (2*s14*s24^2*z2)/(s12*s124*s234*s34*z34) + 
   (2*s14*s34*z2)/(s12*s123*s134*z34) + (2*s14*s34*z2)/(s12*s124*s134*z34) - 
   (2*s14*s34*z2)/(s12*s123*s234*z34) - (2*s14*s34*z2)/(s12*s124*s234*z34) - 
   (2*s14*z3)/(s134^2*z34) + (2*s14*z3)/(s134*s234*z34) - 
   (2*s12*s13*s14*z3)/(s134^2*s34^2*z34) - (2*s13^2*s14*z3)/
    (s134^2*s34^2*z34) - (2*s12*s14^2*z3)/(s134^2*s34^2*z34) - 
   (4*s13*s14^2*z3)/(s134^2*s34^2*z34) - (2*s14^3*z3)/(s134^2*s34^2*z34) - 
   (2*s13*s14*s23*z3)/(s134^2*s34^2*z34) - (2*s14^2*s23*z3)/
    (s134^2*s34^2*z34) + (2*s12*s14*s23*z3)/(s134*s234*s34^2*z34) + 
   (2*s13*s14*s23*z3)/(s134*s234*s34^2*z34) + 
   (2*s14^2*s23*z3)/(s134*s234*s34^2*z34) + (2*s14*s23^2*z3)/
    (s134*s234*s34^2*z34) - (2*s13*s14*s24*z3)/(s134^2*s34^2*z34) - 
   (2*s14^2*s24*z3)/(s134^2*s34^2*z34) + (2*s12*s14*s24*z3)/
    (s134*s234*s34^2*z34) + (2*s13*s14*s24*z3)/(s134*s234*s34^2*z34) + 
   (2*s14^2*s24*z3)/(s134*s234*s34^2*z34) + (4*s14*s23*s24*z3)/
    (s134*s234*s34^2*z34) + (2*s14*s24^2*z3)/(s134*s234*s34^2*z34) - 
   (2*s12*s14*z3)/(s134^2*s34*z34) - (4*s13*s14*z3)/(s134^2*s34*z34) - 
   (4*s14^2*z3)/(s134^2*s34*z34) - (2*s14*s23*z3)/(s134^2*s34*z34) + 
   (2*s12*s14*z3)/(s134*s234*s34*z34) + (2*s13*s14*z3)/(s134*s234*s34*z34) + 
   (2*s14^2*z3)/(s134*s234*s34*z34) + (4*s14*s23*z3)/(s134*s234*s34*z34) - 
   (2*s14*s24*z3)/(s134^2*s34*z34) + (4*s14*s24*z3)/(s134*s234*s34*z34) + 
   (2*s12*z4)/(s124^2*z12) - (2*s12*z4)/(s123*s124*z12) + 
   (2*s13*z4)/(s124^2*z12) - (4*s13*z4)/(s123*s124*z12) - 
   (2*s13^2*z4)/(s12*s123*s124*z12) + (2*s13*z4)/(s123*s134*z12) - 
   (2*s13*z4)/(s124*s134*z12) + (2*s13^2*z4)/(s12*s123*s134*z12) + 
   (4*s14*z4)/(s124^2*z12) - (2*s14*z4)/(s123*s124*z12) + 
   (2*s13*s14*z4)/(s12*s124^2*z12) - (2*s13*s14*z4)/(s12*s123*s124*z12) - 
   (2*s13*s14*z4)/(s12*s124*s134*z12) + (2*s14^2*z4)/(s12*s124^2*z12) + 
   (2*s23*z4)/(s124^2*z12) - (4*s23*z4)/(s123*s124*z12) - 
   (4*s13*s23*z4)/(s12*s123*s124*z12) + (2*s13*s23*z4)/(s12*s123*s134*z12) + 
   (2*s14*s23*z4)/(s12*s124^2*z12) - (2*s14*s23*z4)/(s12*s123*s124*z12) - 
   (2*s23^2*z4)/(s12*s123*s124*z12) + (2*s13*z4)/(s123*s234*z12) - 
   (2*s13*z4)/(s124*s234*z12) + (2*s13^2*z4)/(s12*s123*s234*z12) - 
   (2*s13*s14*z4)/(s12*s124*s234*z12) + (2*s13*s23*z4)/(s12*s123*s234*z12) + 
   (4*s24*z4)/(s124^2*z12) - (2*s24*z4)/(s123*s124*z12) + 
   (2*s13*s24*z4)/(s12*s124^2*z12) - (2*s13*s24*z4)/(s12*s123*s124*z12) - 
   (2*s13*s24*z4)/(s12*s124*s134*z12) + (4*s14*s24*z4)/(s12*s124^2*z12) + 
   (2*s23*s24*z4)/(s12*s124^2*z12) - (2*s23*s24*z4)/(s12*s123*s124*z12) - 
   (2*s13*s24*z4)/(s12*s124*s234*z12) + (2*s24^2*z4)/(s12*s124^2*z12) + 
   (2*s12*s13*z4)/(s123*s134*s34*z12) - (2*s12*s13*z4)/(s124*s134*s34*z12) + 
   (4*s13^2*z4)/(s123*s134*s34*z12) - (2*s13^2*z4)/(s124*s134*s34*z12) + 
   (2*s13^3*z4)/(s12*s123*s134*s34*z12) + (2*s13*s14*z4)/
    (s123*s134*s34*z12) - (4*s13*s14*z4)/(s124*s134*s34*z12) + 
   (2*s13^2*s14*z4)/(s12*s123*s134*s34*z12) - 
   (2*s13^2*s14*z4)/(s12*s124*s134*s34*z12) - 
   (2*s13*s14^2*z4)/(s12*s124*s134*s34*z12) + 
   (4*s13*s23*z4)/(s123*s134*s34*z12) - (2*s13*s23*z4)/(s124*s134*s34*z12) + 
   (4*s13^2*s23*z4)/(s12*s123*s134*s34*z12) + (2*s13*s14*s23*z4)/
    (s12*s123*s134*s34*z12) - (2*s13*s14*s23*z4)/(s12*s124*s134*s34*z12) + 
   (2*s13*s23^2*z4)/(s12*s123*s134*s34*z12) + 
   (2*s12*s13*z4)/(s123*s234*s34*z12) - (2*s12*s13*z4)/(s124*s234*s34*z12) + 
   (4*s13^2*z4)/(s123*s234*s34*z12) - (2*s13^2*z4)/(s124*s234*s34*z12) + 
   (2*s13^3*z4)/(s12*s123*s234*s34*z12) + (2*s13*s14*z4)/
    (s123*s234*s34*z12) - (4*s13*s14*z4)/(s124*s234*s34*z12) + 
   (2*s13^2*s14*z4)/(s12*s123*s234*s34*z12) - 
   (2*s13^2*s14*z4)/(s12*s124*s234*s34*z12) - 
   (2*s13*s14^2*z4)/(s12*s124*s234*s34*z12) + 
   (4*s13*s23*z4)/(s123*s234*s34*z12) - (2*s13*s23*z4)/(s124*s234*s34*z12) + 
   (4*s13^2*s23*z4)/(s12*s123*s234*s34*z12) + (2*s13*s14*s23*z4)/
    (s12*s123*s234*s34*z12) - (2*s13*s14*s23*z4)/(s12*s124*s234*s34*z12) + 
   (2*s13*s23^2*z4)/(s12*s123*s234*s34*z12) + 
   (2*s13*s24*z4)/(s123*s134*s34*z12) - (4*s13*s24*z4)/(s124*s134*s34*z12) + 
   (2*s13^2*s24*z4)/(s12*s123*s134*s34*z12) - 
   (2*s13^2*s24*z4)/(s12*s124*s134*s34*z12) - (4*s13*s14*s24*z4)/
    (s12*s124*s134*s34*z12) + (2*s13*s23*s24*z4)/(s12*s123*s134*s34*z12) - 
   (2*s13*s23*s24*z4)/(s12*s124*s134*s34*z12) + 
   (2*s13*s24*z4)/(s123*s234*s34*z12) - (4*s13*s24*z4)/(s124*s234*s34*z12) + 
   (2*s13^2*s24*z4)/(s12*s123*s234*s34*z12) - 
   (2*s13^2*s24*z4)/(s12*s124*s234*s34*z12) - (4*s13*s14*s24*z4)/
    (s12*s124*s234*s34*z12) + (2*s13*s23*s24*z4)/(s12*s123*s234*s34*z12) - 
   (2*s13*s23*s24*z4)/(s12*s124*s234*s34*z12) - 
   (2*s13*s24^2*z4)/(s12*s124*s134*s34*z12) - 
   (2*s13*s24^2*z4)/(s12*s124*s234*s34*z12) + (2*s34*z4)/(s124^2*z12) - 
   (2*s34*z4)/(s123*s124*z12) - (2*s13*s34*z4)/(s12*s123*s124*z12) + 
   (2*s14*s34*z4)/(s12*s124^2*z12) - (2*s23*s34*z4)/(s12*s123*s124*z12) + 
   (2*s24*s34*z4)/(s12*s124^2*z12) + (2*s12*z4)/(s123*s134*z34) - 
   (2*s12*z4)/(s124*s134*z34) - (4*s13*z4)/(s124*s134*z34) - 
   (8*s13^2*z4)/(s12*s123*s134*z34) + (2*s14*z4)/(s134^2*z34) + 
   (4*s14*z4)/(s123*s134*z34) - (8*s13*s14*z4)/(s12*s123*s134*z34) + 
   (8*s13*s14*z4)/(s12*s124*s134*z34) + (8*s14^2*z4)/(s12*s124*s134*z34) + 
   (2*s23*z4)/(s123*s134*z34) - (2*s23*z4)/(s124*s134*z34) - 
   (4*s13*s23*z4)/(s12*s123*s134*z34) + (4*s14*s23*z4)/(s12*s124*s134*z34) - 
   (2*s12*z4)/(s123*s234*z34) + (2*s12*z4)/(s124*s234*z34) + 
   (2*s13*z4)/(s123*s234*z34) + (2*s13*z4)/(s124*s234*z34) + 
   (4*s13^2*z4)/(s12*s123*s234*z34) - (2*s14*z4)/(s123*s234*z34) - 
   (2*s14*z4)/(s124*s234*z34) + (4*s13*s14*z4)/(s12*s123*s234*z34) - 
   (4*s13*s14*z4)/(s12*s124*s234*z34) - (2*s14*z4)/(s134*s234*z34) - 
   (4*s14^2*z4)/(s12*s124*s234*z34) - (4*s23*z4)/(s123*s234*z34) + 
   (4*s23*z4)/(s124*s234*z34) + (8*s13*s23*z4)/(s12*s123*s234*z34) - 
   (8*s14*s23*z4)/(s12*s124*s234*z34) + (2*s24*z4)/(s123*s134*z34) - 
   (2*s24*z4)/(s124*s134*z34) - (4*s13*s24*z4)/(s12*s123*s134*z34) + 
   (4*s14*s24*z4)/(s12*s124*s134*z34) - (4*s24*z4)/(s123*s234*z34) + 
   (4*s24*z4)/(s124*s234*z34) + (8*s13*s24*z4)/(s12*s123*s234*z34) - 
   (8*s14*s24*z4)/(s12*s124*s234*z34) + (2*s12*s13*s14*z4)/
    (s134^2*s34^2*z34) + (2*s13^2*s14*z4)/(s134^2*s34^2*z34) + 
   (2*s12*s14^2*z4)/(s134^2*s34^2*z34) + (4*s13*s14^2*z4)/
    (s134^2*s34^2*z34) + (2*s14^3*z4)/(s134^2*s34^2*z34) + 
   (2*s13*s14*s23*z4)/(s134^2*s34^2*z34) + (2*s14^2*s23*z4)/
    (s134^2*s34^2*z34) - (2*s12*s14*s23*z4)/(s134*s234*s34^2*z34) - 
   (2*s13*s14*s23*z4)/(s134*s234*s34^2*z34) - 
   (2*s14^2*s23*z4)/(s134*s234*s34^2*z34) - (2*s14*s23^2*z4)/
    (s134*s234*s34^2*z34) + (2*s13*s14*s24*z4)/(s134^2*s34^2*z34) + 
   (2*s14^2*s24*z4)/(s134^2*s34^2*z34) - (2*s12*s14*s24*z4)/
    (s134*s234*s34^2*z34) - (2*s13*s14*s24*z4)/(s134*s234*s34^2*z34) - 
   (2*s14^2*s24*z4)/(s134*s234*s34^2*z34) - (4*s14*s23*s24*z4)/
    (s134*s234*s34^2*z34) - (2*s14*s24^2*z4)/(s134*s234*s34^2*z34) + 
   (2*s12*s13*z4)/(s123*s134*s34*z34) - (2*s12*s13*z4)/(s124*s134*s34*z34) - 
   (2*s13^2*z4)/(s123*s134*s34*z34) - (2*s13^2*z4)/(s124*s134*s34*z34) - 
   (4*s13^3*z4)/(s12*s123*s134*s34*z34) + (2*s12*s14*z4)/(s134^2*s34*z34) + 
   (4*s13*s14*z4)/(s134^2*s34*z34) + (2*s12*s14*z4)/(s123*s134*s34*z34) - 
   (2*s12*s14*z4)/(s124*s134*s34*z34) - (8*s13^2*s14*z4)/
    (s12*s123*s134*s34*z34) + (4*s13^2*s14*z4)/(s12*s124*s134*s34*z34) + 
   (4*s14^2*z4)/(s134^2*s34*z34) + (2*s14^2*z4)/(s123*s134*s34*z34) + 
   (2*s14^2*z4)/(s124*s134*s34*z34) - (4*s13*s14^2*z4)/
    (s12*s123*s134*s34*z34) + (8*s13*s14^2*z4)/(s12*s124*s134*s34*z34) + 
   (4*s14^3*z4)/(s12*s124*s134*s34*z34) + (2*s13*s23*z4)/
    (s123*s134*s34*z34) - (2*s13*s23*z4)/(s124*s134*s34*z34) - 
   (4*s13^2*s23*z4)/(s12*s123*s134*s34*z34) + 
   (2*s14*s23*z4)/(s134^2*s34*z34) + (2*s14*s23*z4)/(s123*s134*s34*z34) - 
   (2*s14*s23*z4)/(s124*s134*s34*z34) - (4*s13*s14*s23*z4)/
    (s12*s123*s134*s34*z34) + (4*s13*s14*s23*z4)/(s12*s124*s134*s34*z34) + 
   (4*s14^2*s23*z4)/(s12*s124*s134*s34*z34) - 
   (2*s12*s14*z4)/(s134*s234*s34*z34) - (2*s13*s14*z4)/(s134*s234*s34*z34) - 
   (2*s14^2*z4)/(s134*s234*s34*z34) - (2*s12*s23*z4)/(s123*s234*s34*z34) + 
   (2*s12*s23*z4)/(s124*s234*s34*z34) + (2*s13*s23*z4)/(s123*s234*s34*z34) + 
   (2*s13*s23*z4)/(s124*s234*s34*z34) + (4*s13^2*s23*z4)/
    (s12*s123*s234*s34*z34) - (2*s14*s23*z4)/(s123*s234*s34*z34) - 
   (2*s14*s23*z4)/(s124*s234*s34*z34) + (4*s13*s14*s23*z4)/
    (s12*s123*s234*s34*z34) - (4*s13*s14*s23*z4)/(s12*s124*s234*s34*z34) - 
   (4*s14*s23*z4)/(s134*s234*s34*z34) - (4*s14^2*s23*z4)/
    (s12*s124*s234*s34*z34) - (2*s23^2*z4)/(s123*s234*s34*z34) + 
   (2*s23^2*z4)/(s124*s234*s34*z34) + (4*s13*s23^2*z4)/
    (s12*s123*s234*s34*z34) - (4*s14*s23^2*z4)/(s12*s124*s234*s34*z34) + 
   (2*s13*s24*z4)/(s123*s134*s34*z34) - (2*s13*s24*z4)/(s124*s134*s34*z34) - 
   (4*s13^2*s24*z4)/(s12*s123*s134*s34*z34) + 
   (2*s14*s24*z4)/(s134^2*s34*z34) + (2*s14*s24*z4)/(s123*s134*s34*z34) - 
   (2*s14*s24*z4)/(s124*s134*s34*z34) - (4*s13*s14*s24*z4)/
    (s12*s123*s134*s34*z34) + (4*s13*s14*s24*z4)/(s12*s124*s134*s34*z34) + 
   (4*s14^2*s24*z4)/(s12*s124*s134*s34*z34) - 
   (2*s12*s24*z4)/(s123*s234*s34*z34) + (2*s12*s24*z4)/(s124*s234*s34*z34) + 
   (2*s13*s24*z4)/(s123*s234*s34*z34) + (2*s13*s24*z4)/(s124*s234*s34*z34) + 
   (4*s13^2*s24*z4)/(s12*s123*s234*s34*z34) - 
   (2*s14*s24*z4)/(s123*s234*s34*z34) - (2*s14*s24*z4)/(s124*s234*s34*z34) + 
   (4*s13*s14*s24*z4)/(s12*s123*s234*s34*z34) - 
   (4*s13*s14*s24*z4)/(s12*s124*s234*s34*z34) - 
   (4*s14*s24*z4)/(s134*s234*s34*z34) - (4*s14^2*s24*z4)/
    (s12*s124*s234*s34*z34) - (4*s23*s24*z4)/(s123*s234*s34*z34) + 
   (4*s23*s24*z4)/(s124*s234*s34*z34) + (8*s13*s23*s24*z4)/
    (s12*s123*s234*s34*z34) - (8*s14*s23*s24*z4)/(s12*s124*s234*s34*z34) - 
   (2*s24^2*z4)/(s123*s234*s34*z34) + (2*s24^2*z4)/(s124*s234*s34*z34) + 
   (4*s13*s24^2*z4)/(s12*s123*s234*s34*z34) - 
   (4*s14*s24^2*z4)/(s12*s124*s234*s34*z34) + (2*s34*z4)/(s123*s134*z34) - 
   (2*s34*z4)/(s124*s134*z34) - (4*s13*s34*z4)/(s12*s123*s134*z34) + 
   (4*s14*s34*z4)/(s12*s124*s134*z34) - (2*s34*z4)/(s123*s234*z34) + 
   (2*s34*z4)/(s124*s234*z34) + (4*s13*s34*z4)/(s12*s123*s234*z34) - 
   (4*s14*s34*z4)/(s12*s124*s234*z34) + (4*s12*z1*z4)/(s123*s134*z12*z34) - 
   (4*s12*z1*z4)/(s124*s134*z12*z34) + (12*s13*z1*z4)/(s123*s134*z12*z34) - 
   (8*s13*z1*z4)/(s124*s134*z12*z34) + (8*s13^2*z1*z4)/
    (s12*s123*s134*z12*z34) + (8*s14*z1*z4)/(s123*s134*z12*z34) - 
   (12*s14*z1*z4)/(s124*s134*z12*z34) + (8*s13*s14*z1*z4)/
    (s12*s123*s134*z12*z34) - (8*s13*s14*z1*z4)/(s12*s124*s134*z12*z34) - 
   (8*s14^2*z1*z4)/(s12*s124*s134*z12*z34) + 
   (8*s23*z1*z4)/(s123*s134*z12*z34) - (4*s23*z1*z4)/(s124*s134*z12*z34) + 
   (12*s13*s23*z1*z4)/(s12*s123*s134*z12*z34) + 
   (8*s14*s23*z1*z4)/(s12*s123*s134*z12*z34) - 
   (4*s14*s23*z1*z4)/(s12*s124*s134*z12*z34) + 
   (4*s23^2*z1*z4)/(s12*s123*s134*z12*z34) - 
   (4*s12*z1*z4)/(s123*s234*z12*z34) + (4*s12*z1*z4)/(s124*s234*z12*z34) - 
   (8*s13*z1*z4)/(s123*s234*z12*z34) + (4*s13*z1*z4)/(s124*s234*z12*z34) - 
   (4*s13^2*z1*z4)/(s12*s123*s234*z12*z34) - 
   (4*s14*z1*z4)/(s123*s234*z12*z34) + (8*s14*z1*z4)/(s124*s234*z12*z34) - 
   (4*s13*s14*z1*z4)/(s12*s123*s234*z12*z34) + 
   (4*s13*s14*z1*z4)/(s12*s124*s234*z12*z34) + 
   (4*s14^2*z1*z4)/(s12*s124*s234*z12*z34) - 
   (12*s23*z1*z4)/(s123*s234*z12*z34) + (8*s23*z1*z4)/(s124*s234*z12*z34) - 
   (12*s13*s23*z1*z4)/(s12*s123*s234*z12*z34) - 
   (4*s14*s23*z1*z4)/(s12*s123*s234*z12*z34) + 
   (8*s14*s23*z1*z4)/(s12*s124*s234*z12*z34) - 
   (8*s23^2*z1*z4)/(s12*s123*s234*z12*z34) + 
   (4*s24*z1*z4)/(s123*s134*z12*z34) - (8*s24*z1*z4)/(s124*s134*z12*z34) + 
   (4*s13*s24*z1*z4)/(s12*s123*s134*z12*z34) - 
   (8*s13*s24*z1*z4)/(s12*s124*s134*z12*z34) - 
   (12*s14*s24*z1*z4)/(s12*s124*s134*z12*z34) + 
   (4*s23*s24*z1*z4)/(s12*s123*s134*z12*z34) - 
   (4*s23*s24*z1*z4)/(s12*s124*s134*z12*z34) - 
   (8*s24*z1*z4)/(s123*s234*z12*z34) + (12*s24*z1*z4)/(s124*s234*z12*z34) - 
   (8*s13*s24*z1*z4)/(s12*s123*s234*z12*z34) + 
   (4*s13*s24*z1*z4)/(s12*s124*s234*z12*z34) + 
   (12*s14*s24*z1*z4)/(s12*s124*s234*z12*z34) - 
   (8*s23*s24*z1*z4)/(s12*s123*s234*z12*z34) + 
   (8*s23*s24*z1*z4)/(s12*s124*s234*z12*z34) - 
   (4*s24^2*z1*z4)/(s12*s124*s134*z12*z34) + 
   (8*s24^2*z1*z4)/(s12*s124*s234*z12*z34) + (4*s12*s13*z1*z4)/
    (s123*s134*s34*z12*z34) - (4*s12*s13*z1*z4)/(s124*s134*s34*z12*z34) + 
   (8*s13^2*z1*z4)/(s123*s134*s34*z12*z34) - 
   (4*s13^2*z1*z4)/(s124*s134*s34*z12*z34) + 
   (4*s13^3*z1*z4)/(s12*s123*s134*s34*z12*z34) + 
   (4*s12*s14*z1*z4)/(s123*s134*s34*z12*z34) - 
   (4*s12*s14*z1*z4)/(s124*s134*s34*z12*z34) + 
   (12*s13*s14*z1*z4)/(s123*s134*s34*z12*z34) - 
   (12*s13*s14*z1*z4)/(s124*s134*s34*z12*z34) + 
   (8*s13^2*s14*z1*z4)/(s12*s123*s134*s34*z12*z34) - 
   (4*s13^2*s14*z1*z4)/(s12*s124*s134*s34*z12*z34) + 
   (4*s14^2*z1*z4)/(s123*s134*s34*z12*z34) - 
   (8*s14^2*z1*z4)/(s124*s134*s34*z12*z34) + (4*s13*s14^2*z1*z4)/
    (s12*s123*s134*s34*z12*z34) - (8*s13*s14^2*z1*z4)/
    (s12*s124*s134*s34*z12*z34) - (4*s14^3*z1*z4)/(s12*s124*s134*s34*z12*
     z34) + (8*s13*s23*z1*z4)/(s123*s134*s34*z12*z34) - 
   (4*s13*s23*z1*z4)/(s124*s134*s34*z12*z34) + (8*s13^2*s23*z1*z4)/
    (s12*s123*s134*s34*z12*z34) + (8*s14*s23*z1*z4)/(s123*s134*s34*z12*z34) - 
   (4*s14*s23*z1*z4)/(s124*s134*s34*z12*z34) + (12*s13*s14*s23*z1*z4)/
    (s12*s123*s134*s34*z12*z34) - (4*s13*s14*s23*z1*z4)/
    (s12*s124*s134*s34*z12*z34) + (4*s14^2*s23*z1*z4)/
    (s12*s123*s134*s34*z12*z34) - (4*s14^2*s23*z1*z4)/
    (s12*s124*s134*s34*z12*z34) + (4*s13*s23^2*z1*z4)/
    (s12*s123*s134*s34*z12*z34) + (4*s14*s23^2*z1*z4)/
    (s12*s123*s134*s34*z12*z34) - (4*s12*s23*z1*z4)/(s123*s234*s34*z12*z34) + 
   (4*s12*s23*z1*z4)/(s124*s234*s34*z12*z34) - 
   (8*s13*s23*z1*z4)/(s123*s234*s34*z12*z34) + 
   (4*s13*s23*z1*z4)/(s124*s234*s34*z12*z34) - (4*s13^2*s23*z1*z4)/
    (s12*s123*s234*s34*z12*z34) - (4*s14*s23*z1*z4)/(s123*s234*s34*z12*z34) + 
   (8*s14*s23*z1*z4)/(s124*s234*s34*z12*z34) - (4*s13*s14*s23*z1*z4)/
    (s12*s123*s234*s34*z12*z34) + (4*s13*s14*s23*z1*z4)/
    (s12*s124*s234*s34*z12*z34) + (4*s14^2*s23*z1*z4)/
    (s12*s124*s234*s34*z12*z34) - (8*s23^2*z1*z4)/(s123*s234*s34*z12*z34) + 
   (4*s23^2*z1*z4)/(s124*s234*s34*z12*z34) - (8*s13*s23^2*z1*z4)/
    (s12*s123*s234*s34*z12*z34) - (4*s14*s23^2*z1*z4)/
    (s12*s123*s234*s34*z12*z34) + (4*s14*s23^2*z1*z4)/
    (s12*s124*s234*s34*z12*z34) - (4*s23^3*z1*z4)/(s12*s123*s234*s34*z12*
     z34) + (4*s13*s24*z1*z4)/(s123*s134*s34*z12*z34) - 
   (8*s13*s24*z1*z4)/(s124*s134*s34*z12*z34) + (4*s13^2*s24*z1*z4)/
    (s12*s123*s134*s34*z12*z34) - (4*s13^2*s24*z1*z4)/
    (s12*s124*s134*s34*z12*z34) + (4*s14*s24*z1*z4)/(s123*s134*s34*z12*z34) - 
   (8*s14*s24*z1*z4)/(s124*s134*s34*z12*z34) + (4*s13*s14*s24*z1*z4)/
    (s12*s123*s134*s34*z12*z34) - (12*s13*s14*s24*z1*z4)/
    (s12*s124*s134*s34*z12*z34) - (8*s14^2*s24*z1*z4)/
    (s12*s124*s134*s34*z12*z34) + (4*s13*s23*s24*z1*z4)/
    (s12*s123*s134*s34*z12*z34) - (4*s13*s23*s24*z1*z4)/
    (s12*s124*s134*s34*z12*z34) + (4*s14*s23*s24*z1*z4)/
    (s12*s123*s134*s34*z12*z34) - (4*s14*s23*s24*z1*z4)/
    (s12*s124*s134*s34*z12*z34) - (4*s12*s24*z1*z4)/(s123*s234*s34*z12*z34) + 
   (4*s12*s24*z1*z4)/(s124*s234*s34*z12*z34) - 
   (8*s13*s24*z1*z4)/(s123*s234*s34*z12*z34) + 
   (4*s13*s24*z1*z4)/(s124*s234*s34*z12*z34) - (4*s13^2*s24*z1*z4)/
    (s12*s123*s234*s34*z12*z34) - (4*s14*s24*z1*z4)/(s123*s234*s34*z12*z34) + 
   (8*s14*s24*z1*z4)/(s124*s234*s34*z12*z34) - (4*s13*s14*s24*z1*z4)/
    (s12*s123*s234*s34*z12*z34) + (4*s13*s14*s24*z1*z4)/
    (s12*s124*s234*s34*z12*z34) + (4*s14^2*s24*z1*z4)/
    (s12*s124*s234*s34*z12*z34) - (12*s23*s24*z1*z4)/
    (s123*s234*s34*z12*z34) + (12*s23*s24*z1*z4)/(s124*s234*s34*z12*z34) - 
   (12*s13*s23*s24*z1*z4)/(s12*s123*s234*s34*z12*z34) + 
   (4*s13*s23*s24*z1*z4)/(s12*s124*s234*s34*z12*z34) - 
   (4*s14*s23*s24*z1*z4)/(s12*s123*s234*s34*z12*z34) + 
   (12*s14*s23*s24*z1*z4)/(s12*s124*s234*s34*z12*z34) - 
   (8*s23^2*s24*z1*z4)/(s12*s123*s234*s34*z12*z34) + 
   (4*s23^2*s24*z1*z4)/(s12*s124*s234*s34*z12*z34) - 
   (4*s13*s24^2*z1*z4)/(s12*s124*s134*s34*z12*z34) - 
   (4*s14*s24^2*z1*z4)/(s12*s124*s134*s34*z12*z34) - 
   (4*s24^2*z1*z4)/(s123*s234*s34*z12*z34) + 
   (8*s24^2*z1*z4)/(s124*s234*s34*z12*z34) - (4*s13*s24^2*z1*z4)/
    (s12*s123*s234*s34*z12*z34) + (4*s13*s24^2*z1*z4)/
    (s12*s124*s234*s34*z12*z34) + (8*s14*s24^2*z1*z4)/
    (s12*s124*s234*s34*z12*z34) - (4*s23*s24^2*z1*z4)/
    (s12*s123*s234*s34*z12*z34) + (8*s23*s24^2*z1*z4)/
    (s12*s124*s234*s34*z12*z34) + (4*s24^3*z1*z4)/(s12*s124*s234*s34*z12*
     z34) + (4*s34*z1*z4)/(s123*s134*z12*z34) - 
   (4*s34*z1*z4)/(s124*s134*z12*z34) + (4*s13*s34*z1*z4)/
    (s12*s123*s134*z12*z34) - (4*s14*s34*z1*z4)/(s12*s124*s134*z12*z34) + 
   (4*s23*s34*z1*z4)/(s12*s123*s134*z12*z34) - 
   (4*s34*z1*z4)/(s123*s234*z12*z34) + (4*s34*z1*z4)/(s124*s234*z12*z34) - 
   (4*s13*s34*z1*z4)/(s12*s123*s234*z12*z34) + 
   (4*s14*s34*z1*z4)/(s12*s124*s234*z12*z34) - 
   (4*s23*s34*z1*z4)/(s12*s123*s234*z12*z34) - 
   (4*s24*s34*z1*z4)/(s12*s124*s134*z12*z34) + 
   (4*s24*s34*z1*z4)/(s12*s124*s234*z12*z34)) + 
 k3k2*((-2*s13)/s134^2 + (D*s13)/s134^2 - (4*s12)/(s123*s134) + 
   (D*s12)/(s123*s134) - (D*s12)/(s124*s134) - (8*s13)/(s123*s134) + 
   (D*s13)/(s123*s134) - (D*s13)/(s124*s134) - (4*s13^2)/(s12*s123*s134) - 
   (4*s14)/s124^2 + (D*s14)/s124^2 - (6*s14)/(s123*s124) + 
   (D*s14)/(s123*s124) - (4*s13*s14)/(s12*s124^2) + 
   (D*s13*s14)/(s12*s124^2) - (4*s13*s14)/(s12*s123*s124) + 
   (D*s13*s14)/(s12*s123*s124) + (2*s13^2*s14)/(s12^2*s123*s124) - 
   (4*s14)/s134^2 + (D*s14)/s134^2 - (8*s14)/(s123*s134) + 
   (D*s14)/(s123*s134) - (D*s14)/(s124*s134) - (D*s13*s14)/(s12*s123*s134) + 
   (4*s13*s14)/(s12*s124*s134) - (D*s13*s14)/(s12*s124*s134) - 
   (6*s14^2)/(s12*s124^2) + (D*s14^2)/(s12*s124^2) - 
   (6*s14^2)/(s12*s123*s124) + (D*s14^2)/(s12*s123*s124) - 
   (2*s13*s14^2)/(s12^2*s124^2) + (2*s13*s14^2)/(s12^2*s123*s124) + 
   (4*s14^2)/(s12*s123*s134) - (D*s14^2)/(s12*s123*s134) - 
   (4*s14^2)/(s12*s124*s134) - (D*s14^2)/(s12*s124*s134) - 
   (2*s14^3)/(s12^2*s124^2) - (4*s23)/(s123*s134) + (D*s23)/(s123*s134) - 
   (D*s23)/(s124*s134) - (4*s13*s23)/(s12*s123*s134) - 
   (4*s14*s23)/(s12*s124^2) + (D*s14*s23)/(s12*s124^2) - 
   (8*s14*s23)/(s12*s123*s124) + (D*s14*s23)/(s12*s123*s124) + 
   (4*s14*s23)/(s12*s124*s134) - (2*s14^2*s23)/(s12^2*s124^2) - 
   (2*s14^2*s23)/(s12^2*s123*s124) - (2*s14*s23^2)/(s12^2*s123*s124) - 
   (D*s12)/(s123*s234) - (4*s12)/(s124*s234) + (D*s12)/(s124*s234) - 
   (D*s13)/(s123*s234) - (4*s13)/(s124*s234) + (D*s13)/(s124*s234) + 
   (2*s12)/(s134*s234) - (4*s13)/(s134*s234) + (D*s13)/(s134*s234) - 
   (D*s14)/(s123*s234) - (8*s14)/(s124*s234) + (D*s14)/(s124*s234) + 
   (4*s13*s14)/(s12*s123*s234) - (D*s13*s14)/(s12*s123*s234) - 
   (D*s13*s14)/(s12*s124*s234) - (6*s14)/(s134*s234) + (D*s14)/(s134*s234) + 
   (4*s14^2)/(s12*s123*s234) - (D*s14^2)/(s12*s123*s234) - 
   (D*s14^2)/(s12*s124*s234) - (D*s23)/(s123*s234) - (4*s23)/(s124*s234) + 
   (D*s23)/(s124*s234) - (4*s14*s23)/(s12*s123*s234) - 
   (4*s14*s23)/(s12*s124*s234) - (2*s24)/s124^2 + (D*s24)/s124^2 - 
   (4*s24)/(s123*s124) + (D*s24)/(s123*s124) - (2*s13*s24)/(s12*s124^2) + 
   (D*s13*s24)/(s12*s124^2) - (4*s13*s24)/(s12*s123*s124) + 
   (D*s13*s24)/(s12*s123*s124) - (4*s24)/(s123*s134) + (D*s24)/(s123*s134) - 
   (D*s24)/(s124*s134) - (D*s13*s24)/(s12*s123*s134) - 
   (D*s13*s24)/(s12*s124*s134) - (4*s14*s24)/(s12*s124^2) + 
   (2*D*s14*s24)/(s12*s124^2) - (10*s14*s24)/(s12*s123*s124) + 
   (2*D*s14*s24)/(s12*s123*s124) + (2*s13*s14*s24)/(s12^2*s124^2) + 
   (2*s13*s14*s24)/(s12^2*s123*s124) + (4*s14*s24)/(s12*s123*s134) - 
   (D*s14*s24)/(s12*s123*s134) + (4*s14*s24)/(s12*s124*s134) - 
   (D*s14*s24)/(s12*s124*s134) - (2*s23*s24)/(s12*s124^2) + 
   (D*s23*s24)/(s12*s124^2) - (4*s23*s24)/(s12*s123*s124) + 
   (D*s23*s24)/(s12*s123*s124) + (2*s14*s23*s24)/(s12^2*s124^2) - 
   (2*s14*s23*s24)/(s12^2*s123*s124) - (D*s24)/(s123*s234) - 
   (8*s24)/(s124*s234) + (D*s24)/(s124*s234) - (D*s13*s24)/(s12*s123*s234) + 
   (4*s13*s24)/(s12*s124*s234) - (D*s13*s24)/(s12*s124*s234) + 
   (4*s14*s24)/(s12*s123*s234) - (D*s14*s24)/(s12*s123*s234) - 
   (D*s14*s24)/(s12*s124*s234) - (2*s24^2)/(s12*s124^2) + 
   (D*s24^2)/(s12*s124^2) - (4*s24^2)/(s12*s123*s124) + 
   (D*s24^2)/(s12*s123*s124) + (2*s14*s24^2)/(s12^2*s124^2) + 
   (2*s12*s13*s14)/(s134^2*s34^2) + (2*s13^2*s14)/(s134^2*s34^2) - 
   (2*s12*s14^2)/(s134^2*s34^2) - (2*s14^3)/(s134^2*s34^2) + 
   (2*s13*s14*s23)/(s134^2*s34^2) - (2*s14^2*s23)/(s134^2*s34^2) - 
   (2*s12*s14*s23)/(s134*s234*s34^2) - (2*s13*s14*s23)/(s134*s234*s34^2) - 
   (2*s14^2*s23)/(s134*s234*s34^2) - (2*s14*s23^2)/(s134*s234*s34^2) + 
   (2*s13*s14*s24)/(s134^2*s34^2) - (2*s14^2*s24)/(s134^2*s34^2) + 
   (2*s12*s14*s24)/(s134*s234*s34^2) + (2*s13*s14*s24)/(s134*s234*s34^2) + 
   (2*s14^2*s24)/(s134*s234*s34^2) + (2*s14*s24^2)/(s134*s234*s34^2) - 
   (2*s12*s13)/(s134^2*s34) + (D*s12*s13)/(s134^2*s34) - 
   (2*s13^2)/(s134^2*s34) + (D*s13^2)/(s134^2*s34) - 
   (4*s12*s14)/(s134^2*s34) + (D*s12*s14)/(s134^2*s34) - 
   (4*s13*s14)/(s134^2*s34) + (2*D*s13*s14)/(s134^2*s34) - 
   (4*s12*s14)/(s123*s134*s34) - (D*s13*s14)/(s123*s134*s34) + 
   (4*s13*s14)/(s124*s134*s34) - (D*s13*s14)/(s124*s134*s34) + 
   (4*s13^2*s14)/(s12*s123*s134*s34) - (D*s13^2*s14)/(s12*s123*s134*s34) + 
   (4*s13^2*s14)/(s12*s124*s134*s34) - (D*s13^2*s14)/(s12*s124*s134*s34) - 
   (6*s14^2)/(s134^2*s34) + (D*s14^2)/(s134^2*s34) - 
   (D*s14^2)/(s123*s134*s34) - (4*s14^2)/(s124*s134*s34) - 
   (D*s14^2)/(s124*s134*s34) + (8*s13*s14^2)/(s12*s123*s134*s34) - 
   (2*D*s13*s14^2)/(s12*s123*s134*s34) - (2*D*s13*s14^2)/
    (s12*s124*s134*s34) + (4*s14^3)/(s12*s123*s134*s34) - 
   (D*s14^3)/(s12*s123*s134*s34) - (4*s14^3)/(s12*s124*s134*s34) - 
   (D*s14^3)/(s12*s124*s134*s34) - (2*s13*s23)/(s134^2*s34) + 
   (D*s13*s23)/(s134^2*s34) - (4*s14*s23)/(s134^2*s34) + 
   (D*s14*s23)/(s134^2*s34) - (4*s14*s23)/(s123*s134*s34) + 
   (4*s14*s23)/(s124*s134*s34) + (4*s13*s14*s23)/(s12*s123*s134*s34) - 
   (D*s13*s14*s23)/(s12*s123*s134*s34) + (8*s13*s14*s23)/
    (s12*s124*s134*s34) - (D*s13*s14*s23)/(s12*s124*s134*s34) + 
   (4*s14^2*s23)/(s12*s123*s134*s34) - (D*s14^2*s23)/(s12*s123*s134*s34) - 
   (D*s14^2*s23)/(s12*s124*s134*s34) + (4*s14*s23^2)/(s12*s124*s134*s34) + 
   (2*s12^2)/(s134*s234*s34) - (2*s12*s13)/(s134*s234*s34) + 
   (D*s12*s13)/(s134*s234*s34) - (4*s13^2)/(s134*s234*s34) + 
   (D*s13^2)/(s134*s234*s34) + (4*s13*s14)/(s123*s234*s34) - 
   (D*s13*s14)/(s123*s234*s34) + (4*s13*s14)/(s124*s234*s34) - 
   (D*s13*s14)/(s124*s234*s34) + (4*s13^2*s14)/(s12*s123*s234*s34) - 
   (D*s13^2*s14)/(s12*s123*s234*s34) + (4*s13^2*s14)/(s12*s124*s234*s34) - 
   (D*s13^2*s14)/(s12*s124*s234*s34) - (4*s12*s14)/(s134*s234*s34) + 
   (D*s12*s14)/(s134*s234*s34) - (10*s13*s14)/(s134*s234*s34) + 
   (2*D*s13*s14)/(s134*s234*s34) + (4*s14^2)/(s123*s234*s34) - 
   (D*s14^2)/(s123*s234*s34) + (4*s14^2)/(s124*s234*s34) - 
   (D*s14^2)/(s124*s234*s34) + (8*s13*s14^2)/(s12*s123*s234*s34) - 
   (2*D*s13*s14^2)/(s12*s123*s234*s34) + (8*s13*s14^2)/(s12*s124*s234*s34) - 
   (2*D*s13*s14^2)/(s12*s124*s234*s34) - (6*s14^2)/(s134*s234*s34) + 
   (D*s14^2)/(s134*s234*s34) + (4*s14^3)/(s12*s123*s234*s34) - 
   (D*s14^3)/(s12*s123*s234*s34) + (4*s14^3)/(s12*s124*s234*s34) - 
   (D*s14^3)/(s12*s124*s234*s34) + (2*s12*s23)/(s134*s234*s34) - 
   (4*s13*s23)/(s134*s234*s34) + (D*s13*s23)/(s134*s234*s34) - 
   (4*s14*s23)/(s123*s234*s34) - (D*s13*s14*s23)/(s12*s123*s234*s34) + 
   (4*s13*s14*s23)/(s12*s124*s234*s34) - (D*s13*s14*s23)/
    (s12*s124*s234*s34) - (8*s14*s23)/(s134*s234*s34) + 
   (D*s14*s23)/(s134*s234*s34) - (D*s14^2*s23)/(s12*s123*s234*s34) + 
   (4*s14^2*s23)/(s12*s124*s234*s34) - (D*s14^2*s23)/(s12*s124*s234*s34) - 
   (4*s14*s23^2)/(s12*s123*s234*s34) - (2*s13*s24)/(s134^2*s34) + 
   (D*s13*s24)/(s134^2*s34) + (4*s13*s24)/(s123*s134*s34) - 
   (D*s13*s24)/(s123*s134*s34) - (D*s13*s24)/(s124*s134*s34) + 
   (4*s13^2*s24)/(s12*s123*s134*s34) - (D*s13^2*s24)/(s12*s123*s134*s34) - 
   (D*s13^2*s24)/(s12*s124*s134*s34) - (4*s14*s24)/(s134^2*s34) + 
   (D*s14*s24)/(s134^2*s34) - (D*s14*s24)/(s123*s134*s34) + 
   (4*s14*s24)/(s124*s134*s34) - (D*s14*s24)/(s124*s134*s34) + 
   (12*s13*s14*s24)/(s12*s123*s134*s34) - (3*D*s13*s14*s24)/
    (s12*s123*s134*s34) + (8*s13*s14*s24)/(s12*s124*s134*s34) - 
   (3*D*s13*s14*s24)/(s12*s124*s134*s34) + 
   (8*s14^2*s24)/(s12*s123*s134*s34) - (2*D*s14^2*s24)/(s12*s123*s134*s34) - 
   (2*D*s14^2*s24)/(s12*s124*s134*s34) + (4*s13*s23*s24)/
    (s12*s123*s134*s34) - (D*s13*s23*s24)/(s12*s123*s134*s34) - 
   (D*s13*s23*s24)/(s12*s124*s134*s34) + (4*s14*s23*s24)/
    (s12*s123*s134*s34) - (D*s14*s23*s24)/(s12*s123*s134*s34) + 
   (8*s14*s23*s24)/(s12*s124*s134*s34) - (D*s14*s23*s24)/
    (s12*s124*s134*s34) - (4*s12*s24)/(s124*s234*s34) - 
   (D*s13*s24)/(s123*s234*s34) - (D*s13*s24)/(s124*s234*s34) - 
   (D*s13^2*s24)/(s12*s123*s234*s34) + (4*s13^2*s24)/(s12*s124*s234*s34) - 
   (D*s13^2*s24)/(s12*s124*s234*s34) + (2*s12*s24)/(s134*s234*s34) - 
   (4*s13*s24)/(s134*s234*s34) + (D*s13*s24)/(s134*s234*s34) + 
   (4*s14*s24)/(s123*s234*s34) - (D*s14*s24)/(s123*s234*s34) - 
   (D*s14*s24)/(s124*s234*s34) + (8*s13*s14*s24)/(s12*s123*s234*s34) - 
   (3*D*s13*s14*s24)/(s12*s123*s234*s34) + (12*s13*s14*s24)/
    (s12*s124*s234*s34) - (3*D*s13*s14*s24)/(s12*s124*s234*s34) - 
   (4*s14*s24)/(s134*s234*s34) + (D*s14*s24)/(s134*s234*s34) + 
   (8*s14^2*s24)/(s12*s123*s234*s34) - (2*D*s14^2*s24)/(s12*s123*s234*s34) + 
   (8*s14^2*s24)/(s12*s124*s234*s34) - (2*D*s14^2*s24)/(s12*s124*s234*s34) - 
   (4*s23*s24)/(s124*s234*s34) - (D*s13*s23*s24)/(s12*s123*s234*s34) + 
   (4*s13*s23*s24)/(s12*s124*s234*s34) - (D*s13*s23*s24)/
    (s12*s124*s234*s34) - (D*s14*s23*s24)/(s12*s123*s234*s34) + 
   (4*s14*s23*s24)/(s12*s124*s234*s34) - (D*s14*s23*s24)/
    (s12*s124*s234*s34) + (4*s13*s24^2)/(s12*s123*s134*s34) - 
   (D*s13*s24^2)/(s12*s123*s134*s34) - (D*s13*s24^2)/(s12*s124*s134*s34) + 
   (4*s14*s24^2)/(s12*s123*s134*s34) - (D*s14*s24^2)/(s12*s123*s134*s34) + 
   (4*s14*s24^2)/(s12*s124*s134*s34) - (D*s14*s24^2)/(s12*s124*s134*s34) - 
   (4*s24^2)/(s124*s234*s34) - (D*s13*s24^2)/(s12*s123*s234*s34) + 
   (4*s13*s24^2)/(s12*s124*s234*s34) - (D*s13*s24^2)/(s12*s124*s234*s34) + 
   (4*s14*s24^2)/(s12*s123*s234*s34) - (D*s14*s24^2)/(s12*s123*s234*s34) + 
   (4*s14*s24^2)/(s12*s124*s234*s34) - (D*s14*s24^2)/(s12*s124*s234*s34) + 
   (2*s34)/(s123*s124) + (2*s13*s34)/(s12*s123*s124) - (4*s34)/(s123*s134) + 
   (D*s34)/(s123*s134) - (D*s34)/(s124*s134) - (4*s13*s34)/(s12*s123*s134) - 
   (4*s14*s34)/(s12*s124^2) + (D*s14*s34)/(s12*s124^2) - 
   (4*s14*s34)/(s12*s123*s124) + (D*s14*s34)/(s12*s123*s124) + 
   (2*s13*s14*s34)/(s12^2*s123*s124) - (2*s14^2*s34)/(s12^2*s124^2) + 
   (2*s23*s34)/(s12*s123*s124) - (2*s14*s23*s34)/(s12^2*s123*s124) - 
   (D*s34)/(s123*s234) - (4*s34)/(s124*s234) + (D*s34)/(s124*s234) - 
   (4*s14*s34)/(s12*s124*s234) - (2*s24*s34)/(s12*s124^2) + 
   (D*s24*s34)/(s12*s124^2) - (2*s24*s34)/(s12*s123*s124) + 
   (D*s24*s34)/(s12*s123*s124) + (2*s14*s24*s34)/(s12^2*s124^2) + 
   (2*s34^2)/(s12*s123*s124) + (2*s12*z1)/(s123*s134*z12) - 
   (2*s12*z1)/(s124*s134*z12) + (4*s13*z1)/(s123*s134*z12) - 
   (2*s13*z1)/(s124*s134*z12) + (2*s13^2*z1)/(s12*s123*s134*z12) + 
   (2*s14*z1)/(s124^2*z12) - (2*s14*z1)/(s123*s124*z12) + 
   (2*s13*s14*z1)/(s12*s124^2*z12) - (4*s13*s14*z1)/(s12*s123*s124*z12) - 
   (2*s13^2*s14*z1)/(s12^2*s123*s124*z12) - (2*s14*z1)/(s123*s134*z12) - 
   (2*s13*s14*z1)/(s12*s123*s134*z12) - (2*s13*s14*z1)/(s12*s124*s134*z12) + 
   (4*s14^2*z1)/(s12*s124^2*z12) - (2*s14^2*z1)/(s12*s123*s124*z12) + 
   (2*s13*s14^2*z1)/(s12^2*s124^2*z12) - (2*s13*s14^2*z1)/
    (s12^2*s123*s124*z12) + (2*s14^2*z1)/(s12*s124*s134*z12) + 
   (2*s14^3*z1)/(s12^2*s124^2*z12) + (4*s23*z1)/(s123*s134*z12) - 
   (2*s23*z1)/(s124*s134*z12) + (4*s13*s23*z1)/(s12*s123*s134*z12) + 
   (2*s14*s23*z1)/(s12*s124^2*z12) - (4*s14*s23*z1)/(s12*s123*s124*z12) - 
   (4*s13*s14*s23*z1)/(s12^2*s123*s124*z12) - 
   (2*s14*s23*z1)/(s12*s123*s134*z12) - (2*s14*s23*z1)/(s12*s124*s134*z12) + 
   (2*s14^2*s23*z1)/(s12^2*s124^2*z12) - (2*s14^2*s23*z1)/
    (s12^2*s123*s124*z12) + (2*s23^2*z1)/(s12*s123*s134*z12) - 
   (2*s14*s23^2*z1)/(s12^2*s123*s124*z12) - (2*s12*z1)/(s123*s234*z12) + 
   (2*s12*z1)/(s124*s234*z12) - (4*s13*z1)/(s123*s234*z12) + 
   (2*s13*z1)/(s124*s234*z12) - (2*s13^2*z1)/(s12*s123*s234*z12) - 
   (2*s14*z1)/(s123*s234*z12) + (4*s14*z1)/(s124*s234*z12) - 
   (2*s13*s14*z1)/(s12*s123*s234*z12) + (2*s13*s14*z1)/(s12*s124*s234*z12) + 
   (2*s14^2*z1)/(s12*s124*s234*z12) - (4*s23*z1)/(s123*s234*z12) + 
   (2*s23*z1)/(s124*s234*z12) - (4*s13*s23*z1)/(s12*s123*s234*z12) - 
   (2*s14*s23*z1)/(s12*s123*s234*z12) + (2*s14*s23*z1)/(s12*s124*s234*z12) - 
   (2*s23^2*z1)/(s12*s123*s234*z12) + (2*s24*z1)/(s123*s134*z12) - 
   (4*s24*z1)/(s124*s134*z12) + (2*s13*s24*z1)/(s12*s123*s134*z12) - 
   (2*s13*s24*z1)/(s12*s124*s134*z12) + (4*s14*s24*z1)/(s12*s124^2*z12) - 
   (2*s14*s24*z1)/(s12*s123*s124*z12) + (2*s13*s14*s24*z1)/
    (s12^2*s124^2*z12) - (2*s13*s14*s24*z1)/(s12^2*s123*s124*z12) + 
   (4*s14^2*s24*z1)/(s12^2*s124^2*z12) + (2*s23*s24*z1)/(s12*s123*s134*z12) - 
   (2*s23*s24*z1)/(s12*s124*s134*z12) + (2*s14*s23*s24*z1)/
    (s12^2*s124^2*z12) - (2*s14*s23*s24*z1)/(s12^2*s123*s124*z12) + 
   (2*s24*z1)/(s123*s234*z12) + (2*s13*s24*z1)/(s12*s123*s234*z12) + 
   (2*s13*s24*z1)/(s12*s124*s234*z12) + (2*s23*s24*z1)/(s12*s123*s234*z12) + 
   (2*s23*s24*z1)/(s12*s124*s234*z12) - (2*s24^2*z1)/(s12*s124*s134*z12) + 
   (2*s14*s24^2*z1)/(s12^2*s124^2*z12) - (2*s24^2*z1)/(s12*s124*s234*z12) - 
   (4*s12*s14*z1)/(s123*s134*s34*z12) + (4*s12*s14*z1)/(s124*s134*s34*z12) - 
   (8*s13*s14*z1)/(s123*s134*s34*z12) + (4*s13*s14*z1)/(s124*s134*s34*z12) - 
   (4*s13^2*s14*z1)/(s12*s123*s134*s34*z12) - 
   (4*s14^2*z1)/(s123*s134*s34*z12) + (8*s14^2*z1)/(s124*s134*s34*z12) - 
   (4*s13*s14^2*z1)/(s12*s123*s134*s34*z12) + 
   (4*s13*s14^2*z1)/(s12*s124*s134*s34*z12) + 
   (4*s14^3*z1)/(s12*s124*s134*s34*z12) - (8*s14*s23*z1)/
    (s123*s134*s34*z12) + (4*s14*s23*z1)/(s124*s134*s34*z12) - 
   (8*s13*s14*s23*z1)/(s12*s123*s134*s34*z12) - 
   (4*s14^2*s23*z1)/(s12*s123*s134*s34*z12) + 
   (4*s14^2*s23*z1)/(s12*s124*s134*s34*z12) - 
   (4*s14*s23^2*z1)/(s12*s123*s134*s34*z12) - 
   (4*s14*s24*z1)/(s123*s134*s34*z12) + (8*s14*s24*z1)/(s124*s134*s34*z12) - 
   (4*s13*s14*s24*z1)/(s12*s123*s134*s34*z12) + 
   (4*s13*s14*s24*z1)/(s12*s124*s134*s34*z12) + 
   (8*s14^2*s24*z1)/(s12*s124*s134*s34*z12) - (4*s14*s23*s24*z1)/
    (s12*s123*s134*s34*z12) + (4*s14*s23*s24*z1)/(s12*s124*s134*s34*z12) + 
   (4*s12*s24*z1)/(s123*s234*s34*z12) - (4*s12*s24*z1)/(s124*s234*s34*z12) + 
   (8*s13*s24*z1)/(s123*s234*s34*z12) - (4*s13*s24*z1)/(s124*s234*s34*z12) + 
   (4*s13^2*s24*z1)/(s12*s123*s234*s34*z12) + 
   (4*s14*s24*z1)/(s123*s234*s34*z12) - (8*s14*s24*z1)/(s124*s234*s34*z12) + 
   (4*s13*s14*s24*z1)/(s12*s123*s234*s34*z12) - 
   (4*s13*s14*s24*z1)/(s12*s124*s234*s34*z12) - 
   (4*s14^2*s24*z1)/(s12*s124*s234*s34*z12) + 
   (8*s23*s24*z1)/(s123*s234*s34*z12) - (4*s23*s24*z1)/(s124*s234*s34*z12) + 
   (8*s13*s23*s24*z1)/(s12*s123*s234*s34*z12) + 
   (4*s14*s23*s24*z1)/(s12*s123*s234*s34*z12) - 
   (4*s14*s23*s24*z1)/(s12*s124*s234*s34*z12) + 
   (4*s23^2*s24*z1)/(s12*s123*s234*s34*z12) + 
   (4*s14*s24^2*z1)/(s12*s124*s134*s34*z12) + 
   (4*s24^2*z1)/(s123*s234*s34*z12) - (8*s24^2*z1)/(s124*s234*s34*z12) + 
   (4*s13*s24^2*z1)/(s12*s123*s234*s34*z12) - 
   (4*s13*s24^2*z1)/(s12*s124*s234*s34*z12) - 
   (8*s14*s24^2*z1)/(s12*s124*s234*s34*z12) + 
   (4*s23*s24^2*z1)/(s12*s123*s234*s34*z12) - 
   (4*s23*s24^2*z1)/(s12*s124*s234*s34*z12) - 
   (4*s24^3*z1)/(s12*s124*s234*s34*z12) + (2*s34*z1)/(s123*s134*z12) - 
   (2*s34*z1)/(s124*s134*z12) + (2*s13*s34*z1)/(s12*s123*s134*z12) + 
   (2*s14*s34*z1)/(s12*s124^2*z12) - (2*s14*s34*z1)/(s12*s123*s124*z12) - 
   (2*s13*s14*s34*z1)/(s12^2*s123*s124*z12) - 
   (2*s14*s34*z1)/(s12*s124*s134*z12) + (2*s14^2*s34*z1)/(s12^2*s124^2*z12) + 
   (2*s23*s34*z1)/(s12*s123*s134*z12) - (2*s14*s23*s34*z1)/
    (s12^2*s123*s124*z12) - (2*s34*z1)/(s123*s234*z12) + 
   (2*s34*z1)/(s124*s234*z12) - (2*s13*s34*z1)/(s12*s123*s234*z12) + 
   (2*s14*s34*z1)/(s12*s124*s234*z12) - (2*s23*s34*z1)/(s12*s123*s234*z12) - 
   (2*s24*s34*z1)/(s12*s124*s134*z12) + (2*s14*s24*s34*z1)/
    (s12^2*s124^2*z12) + (2*s24*s34*z1)/(s12*s124*s234*z12) - 
   (2*s14*z2)/(s124^2*z12) + (2*s14*z2)/(s123*s124*z12) - 
   (2*s13*s14*z2)/(s12*s124^2*z12) + (4*s13*s14*z2)/(s12*s123*s124*z12) + 
   (2*s13^2*s14*z2)/(s12^2*s123*s124*z12) - (4*s14^2*z2)/(s12*s124^2*z12) + 
   (2*s14^2*z2)/(s12*s123*s124*z12) - (2*s13*s14^2*z2)/(s12^2*s124^2*z12) + 
   (2*s13*s14^2*z2)/(s12^2*s123*s124*z12) - (2*s14^3*z2)/(s12^2*s124^2*z12) - 
   (2*s14*s23*z2)/(s12*s124^2*z12) + (4*s14*s23*z2)/(s12*s123*s124*z12) + 
   (4*s13*s14*s23*z2)/(s12^2*s123*s124*z12) - 
   (2*s14^2*s23*z2)/(s12^2*s124^2*z12) + (2*s14^2*s23*z2)/
    (s12^2*s123*s124*z12) + (2*s14*s23^2*z2)/(s12^2*s123*s124*z12) - 
   (4*s14*s24*z2)/(s12*s124^2*z12) + (2*s14*s24*z2)/(s12*s123*s124*z12) - 
   (2*s13*s14*s24*z2)/(s12^2*s124^2*z12) + (2*s13*s14*s24*z2)/
    (s12^2*s123*s124*z12) - (4*s14^2*s24*z2)/(s12^2*s124^2*z12) - 
   (2*s14*s23*s24*z2)/(s12^2*s124^2*z12) + (2*s14*s23*s24*z2)/
    (s12^2*s123*s124*z12) - (2*s14*s24^2*z2)/(s12^2*s124^2*z12) - 
   (2*s14*s34*z2)/(s12*s124^2*z12) + (2*s14*s34*z2)/(s12*s123*s124*z12) + 
   (2*s13*s14*s34*z2)/(s12^2*s123*s124*z12) - 
   (2*s14^2*s34*z2)/(s12^2*s124^2*z12) + (2*s14*s23*s34*z2)/
    (s12^2*s123*s124*z12) - (2*s14*s24*s34*z2)/(s12^2*s124^2*z12) - 
   (2*s14*z3)/(s123*s134*z12) + (2*s14*z3)/(s124*s134*z12) - 
   (2*s13*s14*z3)/(s12*s123*s134*z12) + (2*s14^2*z3)/(s12*s124*s134*z12) - 
   (2*s14*s23*z3)/(s12*s123*s134*z12) - (2*s14*z3)/(s123*s234*z12) + 
   (2*s14*z3)/(s124*s234*z12) - (2*s13*s14*z3)/(s12*s123*s234*z12) + 
   (2*s14^2*z3)/(s12*s124*s234*z12) - (2*s14*s23*z3)/(s12*s123*s234*z12) + 
   (2*s14*s24*z3)/(s12*s124*s134*z12) + (2*s14*s24*z3)/(s12*s124*s234*z12) - 
   (2*s12*s14*z3)/(s123*s134*s34*z12) + (2*s12*s14*z3)/(s124*s134*s34*z12) - 
   (4*s13*s14*z3)/(s123*s134*s34*z12) + (2*s13*s14*z3)/(s124*s134*s34*z12) - 
   (2*s13^2*s14*z3)/(s12*s123*s134*s34*z12) - 
   (2*s14^2*z3)/(s123*s134*s34*z12) + (4*s14^2*z3)/(s124*s134*s34*z12) - 
   (2*s13*s14^2*z3)/(s12*s123*s134*s34*z12) + 
   (2*s13*s14^2*z3)/(s12*s124*s134*s34*z12) + 
   (2*s14^3*z3)/(s12*s124*s134*s34*z12) - (4*s14*s23*z3)/
    (s123*s134*s34*z12) + (2*s14*s23*z3)/(s124*s134*s34*z12) - 
   (4*s13*s14*s23*z3)/(s12*s123*s134*s34*z12) - 
   (2*s14^2*s23*z3)/(s12*s123*s134*s34*z12) + 
   (2*s14^2*s23*z3)/(s12*s124*s134*s34*z12) - 
   (2*s14*s23^2*z3)/(s12*s123*s134*s34*z12) - 
   (2*s12*s14*z3)/(s123*s234*s34*z12) + (2*s12*s14*z3)/(s124*s234*s34*z12) - 
   (4*s13*s14*z3)/(s123*s234*s34*z12) + (2*s13*s14*z3)/(s124*s234*s34*z12) - 
   (2*s13^2*s14*z3)/(s12*s123*s234*s34*z12) - 
   (2*s14^2*z3)/(s123*s234*s34*z12) + (4*s14^2*z3)/(s124*s234*s34*z12) - 
   (2*s13*s14^2*z3)/(s12*s123*s234*s34*z12) + 
   (2*s13*s14^2*z3)/(s12*s124*s234*s34*z12) + 
   (2*s14^3*z3)/(s12*s124*s234*s34*z12) - (4*s14*s23*z3)/
    (s123*s234*s34*z12) + (2*s14*s23*z3)/(s124*s234*s34*z12) - 
   (4*s13*s14*s23*z3)/(s12*s123*s234*s34*z12) - 
   (2*s14^2*s23*z3)/(s12*s123*s234*s34*z12) + 
   (2*s14^2*s23*z3)/(s12*s124*s234*s34*z12) - 
   (2*s14*s23^2*z3)/(s12*s123*s234*s34*z12) - 
   (2*s14*s24*z3)/(s123*s134*s34*z12) + (4*s14*s24*z3)/(s124*s134*s34*z12) - 
   (2*s13*s14*s24*z3)/(s12*s123*s134*s34*z12) + 
   (2*s13*s14*s24*z3)/(s12*s124*s134*s34*z12) + 
   (4*s14^2*s24*z3)/(s12*s124*s134*s34*z12) - (2*s14*s23*s24*z3)/
    (s12*s123*s134*s34*z12) + (2*s14*s23*s24*z3)/(s12*s124*s134*s34*z12) - 
   (2*s14*s24*z3)/(s123*s234*s34*z12) + (4*s14*s24*z3)/(s124*s234*s34*z12) - 
   (2*s13*s14*s24*z3)/(s12*s123*s234*s34*z12) + 
   (2*s13*s14*s24*z3)/(s12*s124*s234*s34*z12) + 
   (4*s14^2*s24*z3)/(s12*s124*s234*s34*z12) - (2*s14*s23*s24*z3)/
    (s12*s123*s234*s34*z12) + (2*s14*s23*s24*z3)/(s12*s124*s234*s34*z12) + 
   (2*s14*s24^2*z3)/(s12*s124*s134*s34*z12) + 
   (2*s14*s24^2*z3)/(s12*s124*s234*s34*z12) + (2*s12*z1)/(s134^2*z34) + 
   (4*s13*z1)/(s134^2*z34) + (4*s14*z1)/(s134^2*z34) + 
   (2*s23*z1)/(s134^2*z34) - (2*s12*z1)/(s134*s234*z34) - 
   (2*s13*z1)/(s134*s234*z34) - (2*s14*z1)/(s134*s234*z34) - 
   (4*s23*z1)/(s134*s234*z34) + (2*s24*z1)/(s134^2*z34) - 
   (2*s24*z1)/(s123*s134*z34) - (2*s24*z1)/(s124*s134*z34) - 
   (4*s13*s24*z1)/(s12*s123*s134*z34) - (4*s13*s24*z1)/(s12*s124*s134*z34) - 
   (4*s14*s24*z1)/(s12*s123*s134*z34) - (4*s14*s24*z1)/(s12*s124*s134*z34) - 
   (2*s23*s24*z1)/(s12*s123*s134*z34) - (2*s23*s24*z1)/(s12*s124*s134*z34) + 
   (2*s24*z1)/(s123*s234*z34) + (2*s24*z1)/(s124*s234*z34) + 
   (2*s13*s24*z1)/(s12*s123*s234*z34) + (2*s13*s24*z1)/(s12*s124*s234*z34) - 
   (4*s24*z1)/(s134*s234*z34) + (2*s14*s24*z1)/(s12*s123*s234*z34) + 
   (2*s14*s24*z1)/(s12*s124*s234*z34) + (4*s23*s24*z1)/(s12*s123*s234*z34) + 
   (4*s23*s24*z1)/(s12*s124*s234*z34) - (2*s24^2*z1)/(s12*s123*s134*z34) - 
   (2*s24^2*z1)/(s12*s124*s134*z34) + (4*s24^2*z1)/(s12*s123*s234*z34) + 
   (4*s24^2*z1)/(s12*s124*s234*z34) + (2*s12*s13*z1)/(s134^2*s34*z34) + 
   (2*s13^2*z1)/(s134^2*s34*z34) + (2*s12*s14*z1)/(s134^2*s34*z34) + 
   (4*s13*s14*z1)/(s134^2*s34*z34) + (2*s14^2*z1)/(s134^2*s34*z34) + 
   (2*s13*s23*z1)/(s134^2*s34*z34) + (2*s14*s23*z1)/(s134^2*s34*z34) - 
   (2*s12*s23*z1)/(s134*s234*s34*z34) - (2*s13*s23*z1)/(s134*s234*s34*z34) - 
   (2*s14*s23*z1)/(s134*s234*s34*z34) - (2*s23^2*z1)/(s134*s234*s34*z34) + 
   (2*s13*s24*z1)/(s134^2*s34*z34) - (2*s13*s24*z1)/(s123*s134*s34*z34) - 
   (2*s13*s24*z1)/(s124*s134*s34*z34) - (2*s13^2*s24*z1)/
    (s12*s123*s134*s34*z34) - (2*s13^2*s24*z1)/(s12*s124*s134*s34*z34) + 
   (2*s14*s24*z1)/(s134^2*s34*z34) - (2*s14*s24*z1)/(s123*s134*s34*z34) - 
   (2*s14*s24*z1)/(s124*s134*s34*z34) - (4*s13*s14*s24*z1)/
    (s12*s123*s134*s34*z34) - (4*s13*s14*s24*z1)/(s12*s124*s134*s34*z34) - 
   (2*s14^2*s24*z1)/(s12*s123*s134*s34*z34) - 
   (2*s14^2*s24*z1)/(s12*s124*s134*s34*z34) - (2*s13*s23*s24*z1)/
    (s12*s123*s134*s34*z34) - (2*s13*s23*s24*z1)/(s12*s124*s134*s34*z34) - 
   (2*s14*s23*s24*z1)/(s12*s123*s134*s34*z34) - 
   (2*s14*s23*s24*z1)/(s12*s124*s134*s34*z34) - 
   (2*s12*s24*z1)/(s134*s234*s34*z34) - (2*s13*s24*z1)/(s134*s234*s34*z34) - 
   (2*s14*s24*z1)/(s134*s234*s34*z34) + (2*s23*s24*z1)/(s123*s234*s34*z34) + 
   (2*s23*s24*z1)/(s124*s234*s34*z34) + (2*s13*s23*s24*z1)/
    (s12*s123*s234*s34*z34) + (2*s13*s23*s24*z1)/(s12*s124*s234*s34*z34) - 
   (4*s23*s24*z1)/(s134*s234*s34*z34) + (2*s14*s23*s24*z1)/
    (s12*s123*s234*s34*z34) + (2*s14*s23*s24*z1)/(s12*s124*s234*s34*z34) + 
   (2*s23^2*s24*z1)/(s12*s123*s234*s34*z34) + 
   (2*s23^2*s24*z1)/(s12*s124*s234*s34*z34) - 
   (2*s13*s24^2*z1)/(s12*s123*s134*s34*z34) - 
   (2*s13*s24^2*z1)/(s12*s124*s134*s34*z34) - 
   (2*s14*s24^2*z1)/(s12*s123*s134*s34*z34) - 
   (2*s14*s24^2*z1)/(s12*s124*s134*s34*z34) + 
   (2*s24^2*z1)/(s123*s234*s34*z34) + (2*s24^2*z1)/(s124*s234*s34*z34) + 
   (2*s13*s24^2*z1)/(s12*s123*s234*s34*z34) + 
   (2*s13*s24^2*z1)/(s12*s124*s234*s34*z34) - 
   (2*s24^2*z1)/(s134*s234*s34*z34) + (2*s14*s24^2*z1)/
    (s12*s123*s234*s34*z34) + (2*s14*s24^2*z1)/(s12*s124*s234*s34*z34) + 
   (4*s23*s24^2*z1)/(s12*s123*s234*s34*z34) + 
   (4*s23*s24^2*z1)/(s12*s124*s234*s34*z34) + 
   (2*s24^3*z1)/(s12*s123*s234*s34*z34) + 
   (2*s24^3*z1)/(s12*s124*s234*s34*z34) + (2*s34*z1)/(s134^2*z34) - 
   (2*s34*z1)/(s134*s234*z34) - (2*s24*s34*z1)/(s12*s123*s134*z34) - 
   (2*s24*s34*z1)/(s12*s124*s134*z34) + (2*s24*s34*z1)/(s12*s123*s234*z34) + 
   (2*s24*s34*z1)/(s12*s124*s234*z34) + (2*s14*z2)/(s123*s134*z34) + 
   (2*s14*z2)/(s124*s134*z34) + (4*s13*s14*z2)/(s12*s123*s134*z34) + 
   (4*s13*s14*z2)/(s12*s124*s134*z34) + (4*s14^2*z2)/(s12*s123*s134*z34) + 
   (4*s14^2*z2)/(s12*s124*s134*z34) + (2*s14*s23*z2)/(s12*s123*s134*z34) + 
   (2*s14*s23*z2)/(s12*s124*s134*z34) - (2*s14*z2)/(s123*s234*z34) - 
   (2*s14*z2)/(s124*s234*z34) - (2*s13*s14*z2)/(s12*s123*s234*z34) - 
   (2*s13*s14*z2)/(s12*s124*s234*z34) - (2*s14^2*z2)/(s12*s123*s234*z34) - 
   (2*s14^2*z2)/(s12*s124*s234*z34) - (4*s14*s23*z2)/(s12*s123*s234*z34) - 
   (4*s14*s23*z2)/(s12*s124*s234*z34) + (2*s14*s24*z2)/(s12*s123*s134*z34) + 
   (2*s14*s24*z2)/(s12*s124*s134*z34) - (4*s14*s24*z2)/(s12*s123*s234*z34) - 
   (4*s14*s24*z2)/(s12*s124*s234*z34) + (2*s13*s14*z2)/(s123*s134*s34*z34) + 
   (2*s13*s14*z2)/(s124*s134*s34*z34) + (2*s13^2*s14*z2)/
    (s12*s123*s134*s34*z34) + (2*s13^2*s14*z2)/(s12*s124*s134*s34*z34) + 
   (2*s14^2*z2)/(s123*s134*s34*z34) + (2*s14^2*z2)/(s124*s134*s34*z34) + 
   (4*s13*s14^2*z2)/(s12*s123*s134*s34*z34) + 
   (4*s13*s14^2*z2)/(s12*s124*s134*s34*z34) + 
   (2*s14^3*z2)/(s12*s123*s134*s34*z34) + 
   (2*s14^3*z2)/(s12*s124*s134*s34*z34) + (2*s13*s14*s23*z2)/
    (s12*s123*s134*s34*z34) + (2*s13*s14*s23*z2)/(s12*s124*s134*s34*z34) + 
   (2*s14^2*s23*z2)/(s12*s123*s134*s34*z34) + 
   (2*s14^2*s23*z2)/(s12*s124*s134*s34*z34) - 
   (2*s14*s23*z2)/(s123*s234*s34*z34) - (2*s14*s23*z2)/(s124*s234*s34*z34) - 
   (2*s13*s14*s23*z2)/(s12*s123*s234*s34*z34) - 
   (2*s13*s14*s23*z2)/(s12*s124*s234*s34*z34) - 
   (2*s14^2*s23*z2)/(s12*s123*s234*s34*z34) - 
   (2*s14^2*s23*z2)/(s12*s124*s234*s34*z34) - 
   (2*s14*s23^2*z2)/(s12*s123*s234*s34*z34) - 
   (2*s14*s23^2*z2)/(s12*s124*s234*s34*z34) + (2*s13*s14*s24*z2)/
    (s12*s123*s134*s34*z34) + (2*s13*s14*s24*z2)/(s12*s124*s134*s34*z34) + 
   (2*s14^2*s24*z2)/(s12*s123*s134*s34*z34) + 
   (2*s14^2*s24*z2)/(s12*s124*s134*s34*z34) - 
   (2*s14*s24*z2)/(s123*s234*s34*z34) - (2*s14*s24*z2)/(s124*s234*s34*z34) - 
   (2*s13*s14*s24*z2)/(s12*s123*s234*s34*z34) - 
   (2*s13*s14*s24*z2)/(s12*s124*s234*s34*z34) - 
   (2*s14^2*s24*z2)/(s12*s123*s234*s34*z34) - 
   (2*s14^2*s24*z2)/(s12*s124*s234*s34*z34) - (4*s14*s23*s24*z2)/
    (s12*s123*s234*s34*z34) - (4*s14*s23*s24*z2)/(s12*s124*s234*s34*z34) - 
   (2*s14*s24^2*z2)/(s12*s123*s234*s34*z34) - 
   (2*s14*s24^2*z2)/(s12*s124*s234*s34*z34) + 
   (2*s14*s34*z2)/(s12*s123*s134*z34) + (2*s14*s34*z2)/(s12*s124*s134*z34) - 
   (2*s14*s34*z2)/(s12*s123*s234*z34) - (2*s14*s34*z2)/(s12*s124*s234*z34) - 
   (2*s14*z3)/(s134^2*z34) + (2*s14*z3)/(s134*s234*z34) - 
   (2*s12*s13*s14*z3)/(s134^2*s34^2*z34) - (2*s13^2*s14*z3)/
    (s134^2*s34^2*z34) - (2*s12*s14^2*z3)/(s134^2*s34^2*z34) - 
   (4*s13*s14^2*z3)/(s134^2*s34^2*z34) - (2*s14^3*z3)/(s134^2*s34^2*z34) - 
   (2*s13*s14*s23*z3)/(s134^2*s34^2*z34) - (2*s14^2*s23*z3)/
    (s134^2*s34^2*z34) + (2*s12*s14*s23*z3)/(s134*s234*s34^2*z34) + 
   (2*s13*s14*s23*z3)/(s134*s234*s34^2*z34) + 
   (2*s14^2*s23*z3)/(s134*s234*s34^2*z34) + (2*s14*s23^2*z3)/
    (s134*s234*s34^2*z34) - (2*s13*s14*s24*z3)/(s134^2*s34^2*z34) - 
   (2*s14^2*s24*z3)/(s134^2*s34^2*z34) + (2*s12*s14*s24*z3)/
    (s134*s234*s34^2*z34) + (2*s13*s14*s24*z3)/(s134*s234*s34^2*z34) + 
   (2*s14^2*s24*z3)/(s134*s234*s34^2*z34) + (4*s14*s23*s24*z3)/
    (s134*s234*s34^2*z34) + (2*s14*s24^2*z3)/(s134*s234*s34^2*z34) - 
   (2*s12*s14*z3)/(s134^2*s34*z34) - (4*s13*s14*z3)/(s134^2*s34*z34) - 
   (4*s14^2*z3)/(s134^2*s34*z34) - (2*s14*s23*z3)/(s134^2*s34*z34) + 
   (2*s12*s14*z3)/(s134*s234*s34*z34) + (2*s13*s14*z3)/(s134*s234*s34*z34) + 
   (2*s14^2*z3)/(s134*s234*s34*z34) + (4*s14*s23*z3)/(s134*s234*s34*z34) - 
   (2*s14*s24*z3)/(s134^2*s34*z34) + (4*s14*s24*z3)/(s134*s234*s34*z34) + 
   (2*s12*z4)/(s124^2*z12) - (2*s12*z4)/(s123*s124*z12) + 
   (2*s13*z4)/(s124^2*z12) - (4*s13*z4)/(s123*s124*z12) - 
   (2*s13^2*z4)/(s12*s123*s124*z12) + (2*s13*z4)/(s123*s134*z12) - 
   (2*s13*z4)/(s124*s134*z12) + (2*s13^2*z4)/(s12*s123*s134*z12) + 
   (4*s14*z4)/(s124^2*z12) - (2*s14*z4)/(s123*s124*z12) + 
   (2*s13*s14*z4)/(s12*s124^2*z12) - (2*s13*s14*z4)/(s12*s123*s124*z12) - 
   (2*s13*s14*z4)/(s12*s124*s134*z12) + (2*s14^2*z4)/(s12*s124^2*z12) + 
   (2*s23*z4)/(s124^2*z12) - (4*s23*z4)/(s123*s124*z12) - 
   (4*s13*s23*z4)/(s12*s123*s124*z12) + (2*s13*s23*z4)/(s12*s123*s134*z12) + 
   (2*s14*s23*z4)/(s12*s124^2*z12) - (2*s14*s23*z4)/(s12*s123*s124*z12) - 
   (2*s23^2*z4)/(s12*s123*s124*z12) + (2*s13*z4)/(s123*s234*z12) - 
   (2*s13*z4)/(s124*s234*z12) + (2*s13^2*z4)/(s12*s123*s234*z12) - 
   (2*s13*s14*z4)/(s12*s124*s234*z12) + (2*s13*s23*z4)/(s12*s123*s234*z12) + 
   (4*s24*z4)/(s124^2*z12) - (2*s24*z4)/(s123*s124*z12) + 
   (2*s13*s24*z4)/(s12*s124^2*z12) - (2*s13*s24*z4)/(s12*s123*s124*z12) - 
   (2*s13*s24*z4)/(s12*s124*s134*z12) + (4*s14*s24*z4)/(s12*s124^2*z12) + 
   (2*s23*s24*z4)/(s12*s124^2*z12) - (2*s23*s24*z4)/(s12*s123*s124*z12) - 
   (2*s13*s24*z4)/(s12*s124*s234*z12) + (2*s24^2*z4)/(s12*s124^2*z12) + 
   (2*s12*s13*z4)/(s123*s134*s34*z12) - (2*s12*s13*z4)/(s124*s134*s34*z12) + 
   (4*s13^2*z4)/(s123*s134*s34*z12) - (2*s13^2*z4)/(s124*s134*s34*z12) + 
   (2*s13^3*z4)/(s12*s123*s134*s34*z12) + (2*s13*s14*z4)/
    (s123*s134*s34*z12) - (4*s13*s14*z4)/(s124*s134*s34*z12) + 
   (2*s13^2*s14*z4)/(s12*s123*s134*s34*z12) - 
   (2*s13^2*s14*z4)/(s12*s124*s134*s34*z12) - 
   (2*s13*s14^2*z4)/(s12*s124*s134*s34*z12) + 
   (4*s13*s23*z4)/(s123*s134*s34*z12) - (2*s13*s23*z4)/(s124*s134*s34*z12) + 
   (4*s13^2*s23*z4)/(s12*s123*s134*s34*z12) + (2*s13*s14*s23*z4)/
    (s12*s123*s134*s34*z12) - (2*s13*s14*s23*z4)/(s12*s124*s134*s34*z12) + 
   (2*s13*s23^2*z4)/(s12*s123*s134*s34*z12) + 
   (2*s12*s13*z4)/(s123*s234*s34*z12) - (2*s12*s13*z4)/(s124*s234*s34*z12) + 
   (4*s13^2*z4)/(s123*s234*s34*z12) - (2*s13^2*z4)/(s124*s234*s34*z12) + 
   (2*s13^3*z4)/(s12*s123*s234*s34*z12) + (2*s13*s14*z4)/
    (s123*s234*s34*z12) - (4*s13*s14*z4)/(s124*s234*s34*z12) + 
   (2*s13^2*s14*z4)/(s12*s123*s234*s34*z12) - 
   (2*s13^2*s14*z4)/(s12*s124*s234*s34*z12) - 
   (2*s13*s14^2*z4)/(s12*s124*s234*s34*z12) + 
   (4*s13*s23*z4)/(s123*s234*s34*z12) - (2*s13*s23*z4)/(s124*s234*s34*z12) + 
   (4*s13^2*s23*z4)/(s12*s123*s234*s34*z12) + (2*s13*s14*s23*z4)/
    (s12*s123*s234*s34*z12) - (2*s13*s14*s23*z4)/(s12*s124*s234*s34*z12) + 
   (2*s13*s23^2*z4)/(s12*s123*s234*s34*z12) + 
   (2*s13*s24*z4)/(s123*s134*s34*z12) - (4*s13*s24*z4)/(s124*s134*s34*z12) + 
   (2*s13^2*s24*z4)/(s12*s123*s134*s34*z12) - 
   (2*s13^2*s24*z4)/(s12*s124*s134*s34*z12) - (4*s13*s14*s24*z4)/
    (s12*s124*s134*s34*z12) + (2*s13*s23*s24*z4)/(s12*s123*s134*s34*z12) - 
   (2*s13*s23*s24*z4)/(s12*s124*s134*s34*z12) + 
   (2*s13*s24*z4)/(s123*s234*s34*z12) - (4*s13*s24*z4)/(s124*s234*s34*z12) + 
   (2*s13^2*s24*z4)/(s12*s123*s234*s34*z12) - 
   (2*s13^2*s24*z4)/(s12*s124*s234*s34*z12) - (4*s13*s14*s24*z4)/
    (s12*s124*s234*s34*z12) + (2*s13*s23*s24*z4)/(s12*s123*s234*s34*z12) - 
   (2*s13*s23*s24*z4)/(s12*s124*s234*s34*z12) - 
   (2*s13*s24^2*z4)/(s12*s124*s134*s34*z12) - 
   (2*s13*s24^2*z4)/(s12*s124*s234*s34*z12) + (2*s34*z4)/(s124^2*z12) - 
   (2*s34*z4)/(s123*s124*z12) - (2*s13*s34*z4)/(s12*s123*s124*z12) + 
   (2*s14*s34*z4)/(s12*s124^2*z12) - (2*s23*s34*z4)/(s12*s123*s124*z12) + 
   (2*s24*s34*z4)/(s12*s124^2*z12) + (2*s12*z4)/(s123*s134*z34) - 
   (2*s12*z4)/(s124*s134*z34) - (4*s13*z4)/(s124*s134*z34) - 
   (8*s13^2*z4)/(s12*s123*s134*z34) + (2*s14*z4)/(s134^2*z34) + 
   (4*s14*z4)/(s123*s134*z34) - (8*s13*s14*z4)/(s12*s123*s134*z34) + 
   (8*s13*s14*z4)/(s12*s124*s134*z34) + (8*s14^2*z4)/(s12*s124*s134*z34) + 
   (2*s23*z4)/(s123*s134*z34) - (2*s23*z4)/(s124*s134*z34) - 
   (4*s13*s23*z4)/(s12*s123*s134*z34) + (4*s14*s23*z4)/(s12*s124*s134*z34) - 
   (2*s12*z4)/(s123*s234*z34) + (2*s12*z4)/(s124*s234*z34) + 
   (2*s13*z4)/(s123*s234*z34) + (2*s13*z4)/(s124*s234*z34) + 
   (4*s13^2*z4)/(s12*s123*s234*z34) - (2*s14*z4)/(s123*s234*z34) - 
   (2*s14*z4)/(s124*s234*z34) + (4*s13*s14*z4)/(s12*s123*s234*z34) - 
   (4*s13*s14*z4)/(s12*s124*s234*z34) - (2*s14*z4)/(s134*s234*z34) - 
   (4*s14^2*z4)/(s12*s124*s234*z34) - (4*s23*z4)/(s123*s234*z34) + 
   (4*s23*z4)/(s124*s234*z34) + (8*s13*s23*z4)/(s12*s123*s234*z34) - 
   (8*s14*s23*z4)/(s12*s124*s234*z34) + (2*s24*z4)/(s123*s134*z34) - 
   (2*s24*z4)/(s124*s134*z34) - (4*s13*s24*z4)/(s12*s123*s134*z34) + 
   (4*s14*s24*z4)/(s12*s124*s134*z34) - (4*s24*z4)/(s123*s234*z34) + 
   (4*s24*z4)/(s124*s234*z34) + (8*s13*s24*z4)/(s12*s123*s234*z34) - 
   (8*s14*s24*z4)/(s12*s124*s234*z34) + (2*s12*s13*s14*z4)/
    (s134^2*s34^2*z34) + (2*s13^2*s14*z4)/(s134^2*s34^2*z34) + 
   (2*s12*s14^2*z4)/(s134^2*s34^2*z34) + (4*s13*s14^2*z4)/
    (s134^2*s34^2*z34) + (2*s14^3*z4)/(s134^2*s34^2*z34) + 
   (2*s13*s14*s23*z4)/(s134^2*s34^2*z34) + (2*s14^2*s23*z4)/
    (s134^2*s34^2*z34) - (2*s12*s14*s23*z4)/(s134*s234*s34^2*z34) - 
   (2*s13*s14*s23*z4)/(s134*s234*s34^2*z34) - 
   (2*s14^2*s23*z4)/(s134*s234*s34^2*z34) - (2*s14*s23^2*z4)/
    (s134*s234*s34^2*z34) + (2*s13*s14*s24*z4)/(s134^2*s34^2*z34) + 
   (2*s14^2*s24*z4)/(s134^2*s34^2*z34) - (2*s12*s14*s24*z4)/
    (s134*s234*s34^2*z34) - (2*s13*s14*s24*z4)/(s134*s234*s34^2*z34) - 
   (2*s14^2*s24*z4)/(s134*s234*s34^2*z34) - (4*s14*s23*s24*z4)/
    (s134*s234*s34^2*z34) - (2*s14*s24^2*z4)/(s134*s234*s34^2*z34) + 
   (2*s12*s13*z4)/(s123*s134*s34*z34) - (2*s12*s13*z4)/(s124*s134*s34*z34) - 
   (2*s13^2*z4)/(s123*s134*s34*z34) - (2*s13^2*z4)/(s124*s134*s34*z34) - 
   (4*s13^3*z4)/(s12*s123*s134*s34*z34) + (2*s12*s14*z4)/(s134^2*s34*z34) + 
   (4*s13*s14*z4)/(s134^2*s34*z34) + (2*s12*s14*z4)/(s123*s134*s34*z34) - 
   (2*s12*s14*z4)/(s124*s134*s34*z34) - (8*s13^2*s14*z4)/
    (s12*s123*s134*s34*z34) + (4*s13^2*s14*z4)/(s12*s124*s134*s34*z34) + 
   (4*s14^2*z4)/(s134^2*s34*z34) + (2*s14^2*z4)/(s123*s134*s34*z34) + 
   (2*s14^2*z4)/(s124*s134*s34*z34) - (4*s13*s14^2*z4)/
    (s12*s123*s134*s34*z34) + (8*s13*s14^2*z4)/(s12*s124*s134*s34*z34) + 
   (4*s14^3*z4)/(s12*s124*s134*s34*z34) + (2*s13*s23*z4)/
    (s123*s134*s34*z34) - (2*s13*s23*z4)/(s124*s134*s34*z34) - 
   (4*s13^2*s23*z4)/(s12*s123*s134*s34*z34) + 
   (2*s14*s23*z4)/(s134^2*s34*z34) + (2*s14*s23*z4)/(s123*s134*s34*z34) - 
   (2*s14*s23*z4)/(s124*s134*s34*z34) - (4*s13*s14*s23*z4)/
    (s12*s123*s134*s34*z34) + (4*s13*s14*s23*z4)/(s12*s124*s134*s34*z34) + 
   (4*s14^2*s23*z4)/(s12*s124*s134*s34*z34) - 
   (2*s12*s14*z4)/(s134*s234*s34*z34) - (2*s13*s14*z4)/(s134*s234*s34*z34) - 
   (2*s14^2*z4)/(s134*s234*s34*z34) - (2*s12*s23*z4)/(s123*s234*s34*z34) + 
   (2*s12*s23*z4)/(s124*s234*s34*z34) + (2*s13*s23*z4)/(s123*s234*s34*z34) + 
   (2*s13*s23*z4)/(s124*s234*s34*z34) + (4*s13^2*s23*z4)/
    (s12*s123*s234*s34*z34) - (2*s14*s23*z4)/(s123*s234*s34*z34) - 
   (2*s14*s23*z4)/(s124*s234*s34*z34) + (4*s13*s14*s23*z4)/
    (s12*s123*s234*s34*z34) - (4*s13*s14*s23*z4)/(s12*s124*s234*s34*z34) - 
   (4*s14*s23*z4)/(s134*s234*s34*z34) - (4*s14^2*s23*z4)/
    (s12*s124*s234*s34*z34) - (2*s23^2*z4)/(s123*s234*s34*z34) + 
   (2*s23^2*z4)/(s124*s234*s34*z34) + (4*s13*s23^2*z4)/
    (s12*s123*s234*s34*z34) - (4*s14*s23^2*z4)/(s12*s124*s234*s34*z34) + 
   (2*s13*s24*z4)/(s123*s134*s34*z34) - (2*s13*s24*z4)/(s124*s134*s34*z34) - 
   (4*s13^2*s24*z4)/(s12*s123*s134*s34*z34) + 
   (2*s14*s24*z4)/(s134^2*s34*z34) + (2*s14*s24*z4)/(s123*s134*s34*z34) - 
   (2*s14*s24*z4)/(s124*s134*s34*z34) - (4*s13*s14*s24*z4)/
    (s12*s123*s134*s34*z34) + (4*s13*s14*s24*z4)/(s12*s124*s134*s34*z34) + 
   (4*s14^2*s24*z4)/(s12*s124*s134*s34*z34) - 
   (2*s12*s24*z4)/(s123*s234*s34*z34) + (2*s12*s24*z4)/(s124*s234*s34*z34) + 
   (2*s13*s24*z4)/(s123*s234*s34*z34) + (2*s13*s24*z4)/(s124*s234*s34*z34) + 
   (4*s13^2*s24*z4)/(s12*s123*s234*s34*z34) - 
   (2*s14*s24*z4)/(s123*s234*s34*z34) - (2*s14*s24*z4)/(s124*s234*s34*z34) + 
   (4*s13*s14*s24*z4)/(s12*s123*s234*s34*z34) - 
   (4*s13*s14*s24*z4)/(s12*s124*s234*s34*z34) - 
   (4*s14*s24*z4)/(s134*s234*s34*z34) - (4*s14^2*s24*z4)/
    (s12*s124*s234*s34*z34) - (4*s23*s24*z4)/(s123*s234*s34*z34) + 
   (4*s23*s24*z4)/(s124*s234*s34*z34) + (8*s13*s23*s24*z4)/
    (s12*s123*s234*s34*z34) - (8*s14*s23*s24*z4)/(s12*s124*s234*s34*z34) - 
   (2*s24^2*z4)/(s123*s234*s34*z34) + (2*s24^2*z4)/(s124*s234*s34*z34) + 
   (4*s13*s24^2*z4)/(s12*s123*s234*s34*z34) - 
   (4*s14*s24^2*z4)/(s12*s124*s234*s34*z34) + (2*s34*z4)/(s123*s134*z34) - 
   (2*s34*z4)/(s124*s134*z34) - (4*s13*s34*z4)/(s12*s123*s134*z34) + 
   (4*s14*s34*z4)/(s12*s124*s134*z34) - (2*s34*z4)/(s123*s234*z34) + 
   (2*s34*z4)/(s124*s234*z34) + (4*s13*s34*z4)/(s12*s123*s234*z34) - 
   (4*s14*s34*z4)/(s12*s124*s234*z34) + (4*s12*z1*z4)/(s123*s134*z12*z34) - 
   (4*s12*z1*z4)/(s124*s134*z12*z34) + (12*s13*z1*z4)/(s123*s134*z12*z34) - 
   (8*s13*z1*z4)/(s124*s134*z12*z34) + (8*s13^2*z1*z4)/
    (s12*s123*s134*z12*z34) + (8*s14*z1*z4)/(s123*s134*z12*z34) - 
   (12*s14*z1*z4)/(s124*s134*z12*z34) + (8*s13*s14*z1*z4)/
    (s12*s123*s134*z12*z34) - (8*s13*s14*z1*z4)/(s12*s124*s134*z12*z34) - 
   (8*s14^2*z1*z4)/(s12*s124*s134*z12*z34) + 
   (8*s23*z1*z4)/(s123*s134*z12*z34) - (4*s23*z1*z4)/(s124*s134*z12*z34) + 
   (12*s13*s23*z1*z4)/(s12*s123*s134*z12*z34) + 
   (8*s14*s23*z1*z4)/(s12*s123*s134*z12*z34) - 
   (4*s14*s23*z1*z4)/(s12*s124*s134*z12*z34) + 
   (4*s23^2*z1*z4)/(s12*s123*s134*z12*z34) - 
   (4*s12*z1*z4)/(s123*s234*z12*z34) + (4*s12*z1*z4)/(s124*s234*z12*z34) - 
   (8*s13*z1*z4)/(s123*s234*z12*z34) + (4*s13*z1*z4)/(s124*s234*z12*z34) - 
   (4*s13^2*z1*z4)/(s12*s123*s234*z12*z34) - 
   (4*s14*z1*z4)/(s123*s234*z12*z34) + (8*s14*z1*z4)/(s124*s234*z12*z34) - 
   (4*s13*s14*z1*z4)/(s12*s123*s234*z12*z34) + 
   (4*s13*s14*z1*z4)/(s12*s124*s234*z12*z34) + 
   (4*s14^2*z1*z4)/(s12*s124*s234*z12*z34) - 
   (12*s23*z1*z4)/(s123*s234*z12*z34) + (8*s23*z1*z4)/(s124*s234*z12*z34) - 
   (12*s13*s23*z1*z4)/(s12*s123*s234*z12*z34) - 
   (4*s14*s23*z1*z4)/(s12*s123*s234*z12*z34) + 
   (8*s14*s23*z1*z4)/(s12*s124*s234*z12*z34) - 
   (8*s23^2*z1*z4)/(s12*s123*s234*z12*z34) + 
   (4*s24*z1*z4)/(s123*s134*z12*z34) - (8*s24*z1*z4)/(s124*s134*z12*z34) + 
   (4*s13*s24*z1*z4)/(s12*s123*s134*z12*z34) - 
   (8*s13*s24*z1*z4)/(s12*s124*s134*z12*z34) - 
   (12*s14*s24*z1*z4)/(s12*s124*s134*z12*z34) + 
   (4*s23*s24*z1*z4)/(s12*s123*s134*z12*z34) - 
   (4*s23*s24*z1*z4)/(s12*s124*s134*z12*z34) - 
   (8*s24*z1*z4)/(s123*s234*z12*z34) + (12*s24*z1*z4)/(s124*s234*z12*z34) - 
   (8*s13*s24*z1*z4)/(s12*s123*s234*z12*z34) + 
   (4*s13*s24*z1*z4)/(s12*s124*s234*z12*z34) + 
   (12*s14*s24*z1*z4)/(s12*s124*s234*z12*z34) - 
   (8*s23*s24*z1*z4)/(s12*s123*s234*z12*z34) + 
   (8*s23*s24*z1*z4)/(s12*s124*s234*z12*z34) - 
   (4*s24^2*z1*z4)/(s12*s124*s134*z12*z34) + 
   (8*s24^2*z1*z4)/(s12*s124*s234*z12*z34) + (4*s12*s13*z1*z4)/
    (s123*s134*s34*z12*z34) - (4*s12*s13*z1*z4)/(s124*s134*s34*z12*z34) + 
   (8*s13^2*z1*z4)/(s123*s134*s34*z12*z34) - 
   (4*s13^2*z1*z4)/(s124*s134*s34*z12*z34) + 
   (4*s13^3*z1*z4)/(s12*s123*s134*s34*z12*z34) + 
   (4*s12*s14*z1*z4)/(s123*s134*s34*z12*z34) - 
   (4*s12*s14*z1*z4)/(s124*s134*s34*z12*z34) + 
   (12*s13*s14*z1*z4)/(s123*s134*s34*z12*z34) - 
   (12*s13*s14*z1*z4)/(s124*s134*s34*z12*z34) + 
   (8*s13^2*s14*z1*z4)/(s12*s123*s134*s34*z12*z34) - 
   (4*s13^2*s14*z1*z4)/(s12*s124*s134*s34*z12*z34) + 
   (4*s14^2*z1*z4)/(s123*s134*s34*z12*z34) - 
   (8*s14^2*z1*z4)/(s124*s134*s34*z12*z34) + (4*s13*s14^2*z1*z4)/
    (s12*s123*s134*s34*z12*z34) - (8*s13*s14^2*z1*z4)/
    (s12*s124*s134*s34*z12*z34) - (4*s14^3*z1*z4)/(s12*s124*s134*s34*z12*
     z34) + (8*s13*s23*z1*z4)/(s123*s134*s34*z12*z34) - 
   (4*s13*s23*z1*z4)/(s124*s134*s34*z12*z34) + (8*s13^2*s23*z1*z4)/
    (s12*s123*s134*s34*z12*z34) + (8*s14*s23*z1*z4)/(s123*s134*s34*z12*z34) - 
   (4*s14*s23*z1*z4)/(s124*s134*s34*z12*z34) + (12*s13*s14*s23*z1*z4)/
    (s12*s123*s134*s34*z12*z34) - (4*s13*s14*s23*z1*z4)/
    (s12*s124*s134*s34*z12*z34) + (4*s14^2*s23*z1*z4)/
    (s12*s123*s134*s34*z12*z34) - (4*s14^2*s23*z1*z4)/
    (s12*s124*s134*s34*z12*z34) + (4*s13*s23^2*z1*z4)/
    (s12*s123*s134*s34*z12*z34) + (4*s14*s23^2*z1*z4)/
    (s12*s123*s134*s34*z12*z34) - (4*s12*s23*z1*z4)/(s123*s234*s34*z12*z34) + 
   (4*s12*s23*z1*z4)/(s124*s234*s34*z12*z34) - 
   (8*s13*s23*z1*z4)/(s123*s234*s34*z12*z34) + 
   (4*s13*s23*z1*z4)/(s124*s234*s34*z12*z34) - (4*s13^2*s23*z1*z4)/
    (s12*s123*s234*s34*z12*z34) - (4*s14*s23*z1*z4)/(s123*s234*s34*z12*z34) + 
   (8*s14*s23*z1*z4)/(s124*s234*s34*z12*z34) - (4*s13*s14*s23*z1*z4)/
    (s12*s123*s234*s34*z12*z34) + (4*s13*s14*s23*z1*z4)/
    (s12*s124*s234*s34*z12*z34) + (4*s14^2*s23*z1*z4)/
    (s12*s124*s234*s34*z12*z34) - (8*s23^2*z1*z4)/(s123*s234*s34*z12*z34) + 
   (4*s23^2*z1*z4)/(s124*s234*s34*z12*z34) - (8*s13*s23^2*z1*z4)/
    (s12*s123*s234*s34*z12*z34) - (4*s14*s23^2*z1*z4)/
    (s12*s123*s234*s34*z12*z34) + (4*s14*s23^2*z1*z4)/
    (s12*s124*s234*s34*z12*z34) - (4*s23^3*z1*z4)/(s12*s123*s234*s34*z12*
     z34) + (4*s13*s24*z1*z4)/(s123*s134*s34*z12*z34) - 
   (8*s13*s24*z1*z4)/(s124*s134*s34*z12*z34) + (4*s13^2*s24*z1*z4)/
    (s12*s123*s134*s34*z12*z34) - (4*s13^2*s24*z1*z4)/
    (s12*s124*s134*s34*z12*z34) + (4*s14*s24*z1*z4)/(s123*s134*s34*z12*z34) - 
   (8*s14*s24*z1*z4)/(s124*s134*s34*z12*z34) + (4*s13*s14*s24*z1*z4)/
    (s12*s123*s134*s34*z12*z34) - (12*s13*s14*s24*z1*z4)/
    (s12*s124*s134*s34*z12*z34) - (8*s14^2*s24*z1*z4)/
    (s12*s124*s134*s34*z12*z34) + (4*s13*s23*s24*z1*z4)/
    (s12*s123*s134*s34*z12*z34) - (4*s13*s23*s24*z1*z4)/
    (s12*s124*s134*s34*z12*z34) + (4*s14*s23*s24*z1*z4)/
    (s12*s123*s134*s34*z12*z34) - (4*s14*s23*s24*z1*z4)/
    (s12*s124*s134*s34*z12*z34) - (4*s12*s24*z1*z4)/(s123*s234*s34*z12*z34) + 
   (4*s12*s24*z1*z4)/(s124*s234*s34*z12*z34) - 
   (8*s13*s24*z1*z4)/(s123*s234*s34*z12*z34) + 
   (4*s13*s24*z1*z4)/(s124*s234*s34*z12*z34) - (4*s13^2*s24*z1*z4)/
    (s12*s123*s234*s34*z12*z34) - (4*s14*s24*z1*z4)/(s123*s234*s34*z12*z34) + 
   (8*s14*s24*z1*z4)/(s124*s234*s34*z12*z34) - (4*s13*s14*s24*z1*z4)/
    (s12*s123*s234*s34*z12*z34) + (4*s13*s14*s24*z1*z4)/
    (s12*s124*s234*s34*z12*z34) + (4*s14^2*s24*z1*z4)/
    (s12*s124*s234*s34*z12*z34) - (12*s23*s24*z1*z4)/
    (s123*s234*s34*z12*z34) + (12*s23*s24*z1*z4)/(s124*s234*s34*z12*z34) - 
   (12*s13*s23*s24*z1*z4)/(s12*s123*s234*s34*z12*z34) + 
   (4*s13*s23*s24*z1*z4)/(s12*s124*s234*s34*z12*z34) - 
   (4*s14*s23*s24*z1*z4)/(s12*s123*s234*s34*z12*z34) + 
   (12*s14*s23*s24*z1*z4)/(s12*s124*s234*s34*z12*z34) - 
   (8*s23^2*s24*z1*z4)/(s12*s123*s234*s34*z12*z34) + 
   (4*s23^2*s24*z1*z4)/(s12*s124*s234*s34*z12*z34) - 
   (4*s13*s24^2*z1*z4)/(s12*s124*s134*s34*z12*z34) - 
   (4*s14*s24^2*z1*z4)/(s12*s124*s134*s34*z12*z34) - 
   (4*s24^2*z1*z4)/(s123*s234*s34*z12*z34) + 
   (8*s24^2*z1*z4)/(s124*s234*s34*z12*z34) - (4*s13*s24^2*z1*z4)/
    (s12*s123*s234*s34*z12*z34) + (4*s13*s24^2*z1*z4)/
    (s12*s124*s234*s34*z12*z34) + (8*s14*s24^2*z1*z4)/
    (s12*s124*s234*s34*z12*z34) - (4*s23*s24^2*z1*z4)/
    (s12*s123*s234*s34*z12*z34) + (8*s23*s24^2*z1*z4)/
    (s12*s124*s234*s34*z12*z34) + (4*s24^3*z1*z4)/(s12*s124*s234*s34*z12*
     z34) + (4*s34*z1*z4)/(s123*s134*z12*z34) - 
   (4*s34*z1*z4)/(s124*s134*z12*z34) + (4*s13*s34*z1*z4)/
    (s12*s123*s134*z12*z34) - (4*s14*s34*z1*z4)/(s12*s124*s134*z12*z34) + 
   (4*s23*s34*z1*z4)/(s12*s123*s134*z12*z34) - 
   (4*s34*z1*z4)/(s123*s234*z12*z34) + (4*s34*z1*z4)/(s124*s234*z12*z34) - 
   (4*s13*s34*z1*z4)/(s12*s123*s234*z12*z34) + 
   (4*s14*s34*z1*z4)/(s12*s124*s234*z12*z34) - 
   (4*s23*s34*z1*z4)/(s12*s123*s234*z12*z34) - 
   (4*s24*s34*z1*z4)/(s12*s124*s134*z12*z34) + 
   (4*s24*s34*z1*z4)/(s12*s124*s234*z12*z34)) + 
 k1k3*((D*s12)/(s123*s134) + (4*s12)/(s124*s134) - (D*s12)/(s124*s134) + 
   (D*s13)/(s123*s134) + (4*s13)/(s124*s134) - (D*s13)/(s124*s134) - 
   (2*s14)/s124^2 + (D*s14)/s124^2 - (4*s14)/(s123*s124) + 
   (D*s14)/(s123*s124) - (2*s13*s14)/(s12*s124^2) + 
   (D*s13*s14)/(s12*s124^2) - (4*s13*s14)/(s12*s123*s124) + 
   (D*s13*s14)/(s12*s123*s124) + (D*s14)/(s123*s134) + (8*s14)/(s124*s134) - 
   (D*s14)/(s124*s134) - (2*s14^2)/(s12*s124^2) + (D*s14^2)/(s12*s124^2) - 
   (4*s14^2)/(s12*s123*s124) + (D*s14^2)/(s12*s123*s124) + 
   (D*s23)/(s123*s134) + (4*s23)/(s124*s134) - (D*s23)/(s124*s134) - 
   (2*s14*s23)/(s12*s124^2) + (D*s14*s23)/(s12*s124^2) - 
   (4*s14*s23)/(s12*s123*s124) + (D*s14*s23)/(s12*s123*s124) + 
   (D*s14*s23)/(s12*s123*s134) - (4*s14*s23)/(s12*s124*s134) + 
   (D*s14*s23)/(s12*s124*s134) - (2*s23)/s234^2 + (D*s23)/s234^2 + 
   (4*s12)/(s123*s234) - (D*s12)/(s123*s234) + (D*s12)/(s124*s234) + 
   (4*s13)/(s123*s234) - (D*s13)/(s123*s234) + (D*s13)/(s124*s234) + 
   (2*s12)/(s134*s234) + (4*s14)/(s123*s234) - (D*s14)/(s123*s234) + 
   (D*s14)/(s124*s234) + (8*s23)/(s123*s234) - (D*s23)/(s123*s234) + 
   (D*s23)/(s124*s234) + (4*s13*s23)/(s12*s123*s234) - (4*s23)/(s134*s234) + 
   (D*s23)/(s134*s234) + (D*s14*s23)/(s12*s123*s234) + 
   (D*s14*s23)/(s12*s124*s234) + (4*s23^2)/(s12*s123*s234) - (4*s24)/s124^2 + 
   (D*s24)/s124^2 - (6*s24)/(s123*s124) + (D*s24)/(s123*s124) - 
   (4*s13*s24)/(s12*s124^2) + (D*s13*s24)/(s12*s124^2) - 
   (8*s13*s24)/(s12*s123*s124) + (D*s13*s24)/(s12*s123*s124) - 
   (2*s13^2*s24)/(s12^2*s123*s124) + (D*s24)/(s123*s134) + 
   (8*s24)/(s124*s134) - (D*s24)/(s124*s134) + (4*s13*s24)/(s12*s123*s134) + 
   (4*s13*s24)/(s12*s124*s134) - (4*s14*s24)/(s12*s124^2) + 
   (2*D*s14*s24)/(s12*s124^2) - (10*s14*s24)/(s12*s123*s124) + 
   (2*D*s14*s24)/(s12*s123*s124) + (2*s13*s14*s24)/(s12^2*s124^2) - 
   (2*s13*s14*s24)/(s12^2*s123*s124) - (4*s14*s24)/(s12*s123*s134) + 
   (D*s14*s24)/(s12*s123*s134) + (D*s14*s24)/(s12*s124*s134) + 
   (2*s14^2*s24)/(s12^2*s124^2) - (4*s23*s24)/(s12*s124^2) + 
   (D*s23*s24)/(s12*s124^2) - (4*s23*s24)/(s12*s123*s124) + 
   (D*s23*s24)/(s12*s123*s124) - (4*s23*s24)/(s12*s123*s134) + 
   (D*s23*s24)/(s12*s123*s134) + (D*s23*s24)/(s12*s124*s134) + 
   (2*s14*s23*s24)/(s12^2*s124^2) + (2*s14*s23*s24)/(s12^2*s123*s124) + 
   (2*s23^2*s24)/(s12^2*s123*s124) - (4*s24)/s234^2 + (D*s24)/s234^2 + 
   (8*s24)/(s123*s234) - (D*s24)/(s123*s234) + (D*s24)/(s124*s234) - 
   (4*s13*s24)/(s12*s124*s234) - (6*s24)/(s134*s234) + (D*s24)/(s134*s234) - 
   (4*s14*s24)/(s12*s123*s234) + (D*s14*s24)/(s12*s123*s234) - 
   (4*s14*s24)/(s12*s124*s234) + (D*s14*s24)/(s12*s124*s234) + 
   (D*s23*s24)/(s12*s123*s234) - (4*s23*s24)/(s12*s124*s234) + 
   (D*s23*s24)/(s12*s124*s234) - (6*s24^2)/(s12*s124^2) + 
   (D*s24^2)/(s12*s124^2) - (6*s24^2)/(s12*s123*s124) + 
   (D*s24^2)/(s12*s123*s124) - (2*s13*s24^2)/(s12^2*s124^2) - 
   (2*s13*s24^2)/(s12^2*s123*s124) - (4*s24^2)/(s12*s123*s134) + 
   (D*s24^2)/(s12*s123*s134) + (D*s24^2)/(s12*s124*s134) - 
   (2*s23*s24^2)/(s12^2*s124^2) + (2*s23*s24^2)/(s12^2*s123*s124) - 
   (4*s24^2)/(s12*s123*s234) + (D*s24^2)/(s12*s123*s234) + 
   (4*s24^2)/(s12*s124*s234) + (D*s24^2)/(s12*s124*s234) - 
   (2*s24^3)/(s12^2*s124^2) + (2*s12*s23*s24)/(s234^2*s34^2) + 
   (2*s13*s23*s24)/(s234^2*s34^2) + (2*s14*s23*s24)/(s234^2*s34^2) + 
   (2*s23^2*s24)/(s234^2*s34^2) - (2*s12*s13*s24)/(s134*s234*s34^2) - 
   (2*s13^2*s24)/(s134*s234*s34^2) + (2*s12*s14*s24)/(s134*s234*s34^2) + 
   (2*s14^2*s24)/(s134*s234*s34^2) - (2*s13*s23*s24)/(s134*s234*s34^2) + 
   (2*s14*s23*s24)/(s134*s234*s34^2) - (2*s12*s24^2)/(s234^2*s34^2) - 
   (2*s13*s24^2)/(s234^2*s34^2) - (2*s14*s24^2)/(s234^2*s34^2) - 
   (2*s13*s24^2)/(s134*s234*s34^2) + (2*s14*s24^2)/(s134*s234*s34^2) - 
   (2*s24^3)/(s234^2*s34^2) + (4*s12*s14)/(s124*s134*s34) + 
   (4*s13*s14)/(s124*s134*s34) + (4*s14^2)/(s124*s134*s34) + 
   (D*s14*s23)/(s123*s134*s34) + (D*s14*s23)/(s124*s134*s34) + 
   (D*s13*s14*s23)/(s12*s123*s134*s34) - (4*s13*s14*s23)/
    (s12*s124*s134*s34) + (D*s13*s14*s23)/(s12*s124*s134*s34) + 
   (D*s14^2*s23)/(s12*s123*s134*s34) - (4*s14^2*s23)/(s12*s124*s134*s34) + 
   (D*s14^2*s23)/(s12*s124*s134*s34) + (D*s14*s23^2)/(s12*s123*s134*s34) - 
   (4*s14*s23^2)/(s12*s124*s134*s34) + (D*s14*s23^2)/(s12*s124*s134*s34) - 
   (2*s12*s23)/(s234^2*s34) + (D*s12*s23)/(s234^2*s34) - 
   (2*s13*s23)/(s234^2*s34) + (D*s13*s23)/(s234^2*s34) - 
   (2*s14*s23)/(s234^2*s34) + (D*s14*s23)/(s234^2*s34) - 
   (2*s23^2)/(s234^2*s34) + (D*s23^2)/(s234^2*s34) + 
   (2*s12^2)/(s134*s234*s34) + (2*s12*s13)/(s134*s234*s34) + 
   (2*s12*s14)/(s134*s234*s34) - (2*s12*s23)/(s134*s234*s34) + 
   (D*s12*s23)/(s134*s234*s34) - (4*s13*s23)/(s134*s234*s34) + 
   (D*s13*s23)/(s134*s234*s34) - (4*s14*s23)/(s123*s234*s34) + 
   (D*s14*s23)/(s123*s234*s34) + (D*s14*s23)/(s124*s234*s34) - 
   (4*s13*s14*s23)/(s12*s123*s234*s34) + (D*s13*s14*s23)/
    (s12*s123*s234*s34) + (D*s13*s14*s23)/(s12*s124*s234*s34) - 
   (4*s14*s23)/(s134*s234*s34) + (D*s14*s23)/(s134*s234*s34) - 
   (4*s14^2*s23)/(s12*s123*s234*s34) + (D*s14^2*s23)/(s12*s123*s234*s34) + 
   (D*s14^2*s23)/(s12*s124*s234*s34) - (4*s23^2)/(s134*s234*s34) + 
   (D*s23^2)/(s134*s234*s34) - (4*s14*s23^2)/(s12*s123*s234*s34) + 
   (D*s14*s23^2)/(s12*s123*s234*s34) + (D*s14*s23^2)/(s12*s124*s234*s34) + 
   (4*s13*s24)/(s123*s134*s34) + (4*s13^2*s24)/(s12*s123*s134*s34) - 
   (4*s14*s24)/(s123*s134*s34) + (D*s14*s24)/(s123*s134*s34) + 
   (D*s14*s24)/(s124*s134*s34) + (D*s13*s14*s24)/(s12*s123*s134*s34) - 
   (4*s13*s14*s24)/(s12*s124*s134*s34) + (D*s13*s14*s24)/
    (s12*s124*s134*s34) - (4*s14^2*s24)/(s12*s123*s134*s34) + 
   (D*s14^2*s24)/(s12*s123*s134*s34) - (4*s14^2*s24)/(s12*s124*s134*s34) + 
   (D*s14^2*s24)/(s12*s124*s134*s34) - (4*s23*s24)/(s123*s134*s34) + 
   (D*s23*s24)/(s123*s134*s34) - (4*s23*s24)/(s124*s134*s34) + 
   (D*s23*s24)/(s124*s134*s34) + (D*s13*s23*s24)/(s12*s123*s134*s34) - 
   (4*s13*s23*s24)/(s12*s124*s134*s34) + (D*s13*s23*s24)/
    (s12*s124*s134*s34) - (8*s14*s23*s24)/(s12*s123*s134*s34) + 
   (3*D*s14*s23*s24)/(s12*s123*s134*s34) - (12*s14*s23*s24)/
    (s12*s124*s134*s34) + (3*D*s14*s23*s24)/(s12*s124*s134*s34) - 
   (4*s23^2*s24)/(s12*s123*s134*s34) + (D*s23^2*s24)/(s12*s123*s134*s34) - 
   (4*s23^2*s24)/(s12*s124*s134*s34) + (D*s23^2*s24)/(s12*s124*s134*s34) - 
   (4*s12*s24)/(s234^2*s34) + (D*s12*s24)/(s234^2*s34) - 
   (4*s13*s24)/(s234^2*s34) + (D*s13*s24)/(s234^2*s34) - 
   (4*s14*s24)/(s234^2*s34) + (D*s14*s24)/(s234^2*s34) - 
   (4*s23*s24)/(s234^2*s34) + (2*D*s23*s24)/(s234^2*s34) + 
   (4*s12*s24)/(s123*s234*s34) + (4*s13*s24)/(s123*s234*s34) - 
   (4*s13*s24)/(s124*s234*s34) - (4*s13^2*s24)/(s12*s124*s234*s34) - 
   (4*s12*s24)/(s134*s234*s34) + (D*s12*s24)/(s134*s234*s34) - 
   (8*s13*s24)/(s134*s234*s34) + (D*s13*s24)/(s134*s234*s34) + 
   (D*s14*s24)/(s123*s234*s34) - (4*s14*s24)/(s124*s234*s34) + 
   (D*s14*s24)/(s124*s234*s34) - (4*s13*s14*s24)/(s12*s123*s234*s34) + 
   (D*s13*s14*s24)/(s12*s123*s234*s34) - (8*s13*s14*s24)/
    (s12*s124*s234*s34) + (D*s13*s14*s24)/(s12*s124*s234*s34) - 
   (4*s14*s24)/(s134*s234*s34) + (D*s14*s24)/(s134*s234*s34) - 
   (4*s14^2*s24)/(s12*s123*s234*s34) + (D*s14^2*s24)/(s12*s123*s234*s34) - 
   (4*s14^2*s24)/(s12*s124*s234*s34) + (D*s14^2*s24)/(s12*s124*s234*s34) + 
   (D*s23*s24)/(s123*s234*s34) - (4*s23*s24)/(s124*s234*s34) + 
   (D*s23*s24)/(s124*s234*s34) - (4*s13*s23*s24)/(s12*s123*s234*s34) + 
   (D*s13*s23*s24)/(s12*s123*s234*s34) - (8*s13*s23*s24)/
    (s12*s124*s234*s34) + (D*s13*s23*s24)/(s12*s124*s234*s34) - 
   (10*s23*s24)/(s134*s234*s34) + (2*D*s23*s24)/(s134*s234*s34) - 
   (12*s14*s23*s24)/(s12*s123*s234*s34) + (3*D*s14*s23*s24)/
    (s12*s123*s234*s34) - (8*s14*s23*s24)/(s12*s124*s234*s34) + 
   (3*D*s14*s23*s24)/(s12*s124*s234*s34) - 
   (4*s23^2*s24)/(s12*s123*s234*s34) + (D*s23^2*s24)/(s12*s123*s234*s34) - 
   (4*s23^2*s24)/(s12*s124*s234*s34) + (D*s23^2*s24)/(s12*s124*s234*s34) - 
   (4*s24^2)/(s123*s134*s34) + (D*s24^2)/(s123*s134*s34) - 
   (4*s24^2)/(s124*s134*s34) + (D*s24^2)/(s124*s134*s34) + 
   (D*s13*s24^2)/(s12*s123*s134*s34) - (4*s13*s24^2)/(s12*s124*s134*s34) + 
   (D*s13*s24^2)/(s12*s124*s134*s34) - (8*s14*s24^2)/(s12*s123*s134*s34) + 
   (2*D*s14*s24^2)/(s12*s123*s134*s34) - (8*s14*s24^2)/(s12*s124*s134*s34) + 
   (2*D*s14*s24^2)/(s12*s124*s134*s34) - (8*s23*s24^2)/(s12*s123*s134*s34) + 
   (2*D*s23*s24^2)/(s12*s123*s134*s34) - (8*s23*s24^2)/(s12*s124*s134*s34) + 
   (2*D*s23*s24^2)/(s12*s124*s134*s34) - (6*s24^2)/(s234^2*s34) + 
   (D*s24^2)/(s234^2*s34) + (D*s24^2)/(s123*s234*s34) + 
   (4*s24^2)/(s124*s234*s34) + (D*s24^2)/(s124*s234*s34) - 
   (4*s13*s24^2)/(s12*s123*s234*s34) + (D*s13*s24^2)/(s12*s123*s234*s34) + 
   (D*s13*s24^2)/(s12*s124*s234*s34) - (6*s24^2)/(s134*s234*s34) + 
   (D*s24^2)/(s134*s234*s34) - (8*s14*s24^2)/(s12*s123*s234*s34) + 
   (2*D*s14*s24^2)/(s12*s123*s234*s34) + (2*D*s14*s24^2)/
    (s12*s124*s234*s34) - (8*s23*s24^2)/(s12*s123*s234*s34) + 
   (2*D*s23*s24^2)/(s12*s123*s234*s34) + (2*D*s23*s24^2)/
    (s12*s124*s234*s34) - (4*s24^3)/(s12*s123*s134*s34) + 
   (D*s24^3)/(s12*s123*s134*s34) - (4*s24^3)/(s12*s124*s134*s34) + 
   (D*s24^3)/(s12*s124*s134*s34) - (4*s24^3)/(s12*s123*s234*s34) + 
   (D*s24^3)/(s12*s123*s234*s34) + (4*s24^3)/(s12*s124*s234*s34) + 
   (D*s24^3)/(s12*s124*s234*s34) + (2*s34)/(s123*s124) + 
   (2*s13*s34)/(s12*s123*s124) + (D*s34)/(s123*s134) + (4*s34)/(s124*s134) - 
   (D*s34)/(s124*s134) - (2*s14*s34)/(s12*s124^2) + 
   (D*s14*s34)/(s12*s124^2) - (2*s14*s34)/(s12*s123*s124) + 
   (D*s14*s34)/(s12*s123*s124) + (2*s23*s34)/(s12*s123*s124) + 
   (4*s34)/(s123*s234) - (D*s34)/(s123*s234) + (D*s34)/(s124*s234) + 
   (4*s23*s34)/(s12*s123*s234) - (4*s24*s34)/(s12*s124^2) + 
   (D*s24*s34)/(s12*s124^2) - (4*s24*s34)/(s12*s123*s124) + 
   (D*s24*s34)/(s12*s123*s124) - (2*s13*s24*s34)/(s12^2*s123*s124) + 
   (4*s24*s34)/(s12*s124*s134) + (2*s14*s24*s34)/(s12^2*s124^2) + 
   (2*s23*s24*s34)/(s12^2*s123*s124) - (2*s24^2*s34)/(s12^2*s124^2) + 
   (2*s34^2)/(s12*s123*s124) - (2*s24*z1)/(s124^2*z12) + 
   (2*s24*z1)/(s123*s124*z12) - (2*s13*s24*z1)/(s12*s124^2*z12) + 
   (4*s13*s24*z1)/(s12*s123*s124*z12) + (2*s13^2*s24*z1)/
    (s12^2*s123*s124*z12) - (4*s14*s24*z1)/(s12*s124^2*z12) + 
   (2*s14*s24*z1)/(s12*s123*s124*z12) - (2*s13*s14*s24*z1)/
    (s12^2*s124^2*z12) + (2*s13*s14*s24*z1)/(s12^2*s123*s124*z12) - 
   (2*s14^2*s24*z1)/(s12^2*s124^2*z12) - (2*s23*s24*z1)/(s12*s124^2*z12) + 
   (4*s23*s24*z1)/(s12*s123*s124*z12) + (4*s13*s23*s24*z1)/
    (s12^2*s123*s124*z12) - (2*s14*s23*s24*z1)/(s12^2*s124^2*z12) + 
   (2*s14*s23*s24*z1)/(s12^2*s123*s124*z12) + 
   (2*s23^2*s24*z1)/(s12^2*s123*s124*z12) - (4*s24^2*z1)/(s12*s124^2*z12) + 
   (2*s24^2*z1)/(s12*s123*s124*z12) - (2*s13*s24^2*z1)/(s12^2*s124^2*z12) + 
   (2*s13*s24^2*z1)/(s12^2*s123*s124*z12) - (4*s14*s24^2*z1)/
    (s12^2*s124^2*z12) - (2*s23*s24^2*z1)/(s12^2*s124^2*z12) + 
   (2*s23*s24^2*z1)/(s12^2*s123*s124*z12) - (2*s24^3*z1)/(s12^2*s124^2*z12) - 
   (2*s24*s34*z1)/(s12*s124^2*z12) + (2*s24*s34*z1)/(s12*s123*s124*z12) + 
   (2*s13*s24*s34*z1)/(s12^2*s123*s124*z12) - (2*s14*s24*s34*z1)/
    (s12^2*s124^2*z12) + (2*s23*s24*s34*z1)/(s12^2*s123*s124*z12) - 
   (2*s24^2*s34*z1)/(s12^2*s124^2*z12) + (2*s12*z2)/(s123*s134*z12) - 
   (2*s12*z2)/(s124*s134*z12) + (4*s13*z2)/(s123*s134*z12) - 
   (2*s13*z2)/(s124*s134*z12) + (2*s13^2*z2)/(s12*s123*s134*z12) - 
   (2*s14*z2)/(s123*s134*z12) - (2*s13*s14*z2)/(s12*s123*s134*z12) - 
   (2*s13*s14*z2)/(s12*s124*s134*z12) + (2*s14^2*z2)/(s12*s124*s134*z12) + 
   (4*s23*z2)/(s123*s134*z12) - (2*s23*z2)/(s124*s134*z12) + 
   (4*s13*s23*z2)/(s12*s123*s134*z12) - (2*s14*s23*z2)/(s12*s123*s134*z12) - 
   (2*s14*s23*z2)/(s12*s124*s134*z12) + (2*s23^2*z2)/(s12*s123*s134*z12) - 
   (2*s12*z2)/(s123*s234*z12) + (2*s12*z2)/(s124*s234*z12) - 
   (4*s13*z2)/(s123*s234*z12) + (2*s13*z2)/(s124*s234*z12) - 
   (2*s13^2*z2)/(s12*s123*s234*z12) - (2*s14*z2)/(s123*s234*z12) + 
   (4*s14*z2)/(s124*s234*z12) - (2*s13*s14*z2)/(s12*s123*s234*z12) + 
   (2*s13*s14*z2)/(s12*s124*s234*z12) + (2*s14^2*z2)/(s12*s124*s234*z12) - 
   (4*s23*z2)/(s123*s234*z12) + (2*s23*z2)/(s124*s234*z12) - 
   (4*s13*s23*z2)/(s12*s123*s234*z12) - (2*s14*s23*z2)/(s12*s123*s234*z12) + 
   (2*s14*s23*z2)/(s12*s124*s234*z12) - (2*s23^2*z2)/(s12*s123*s234*z12) + 
   (2*s24*z2)/(s124^2*z12) - (2*s24*z2)/(s123*s124*z12) + 
   (2*s13*s24*z2)/(s12*s124^2*z12) - (4*s13*s24*z2)/(s12*s123*s124*z12) - 
   (2*s13^2*s24*z2)/(s12^2*s123*s124*z12) + (2*s24*z2)/(s123*s134*z12) - 
   (4*s24*z2)/(s124*s134*z12) + (2*s13*s24*z2)/(s12*s123*s134*z12) - 
   (2*s13*s24*z2)/(s12*s124*s134*z12) + (4*s14*s24*z2)/(s12*s124^2*z12) - 
   (2*s14*s24*z2)/(s12*s123*s124*z12) + (2*s13*s14*s24*z2)/
    (s12^2*s124^2*z12) - (2*s13*s14*s24*z2)/(s12^2*s123*s124*z12) + 
   (2*s14^2*s24*z2)/(s12^2*s124^2*z12) + (2*s23*s24*z2)/(s12*s124^2*z12) - 
   (4*s23*s24*z2)/(s12*s123*s124*z12) - (4*s13*s23*s24*z2)/
    (s12^2*s123*s124*z12) + (2*s23*s24*z2)/(s12*s123*s134*z12) - 
   (2*s23*s24*z2)/(s12*s124*s134*z12) + (2*s14*s23*s24*z2)/
    (s12^2*s124^2*z12) - (2*s14*s23*s24*z2)/(s12^2*s123*s124*z12) - 
   (2*s23^2*s24*z2)/(s12^2*s123*s124*z12) + (2*s24*z2)/(s123*s234*z12) + 
   (2*s13*s24*z2)/(s12*s123*s234*z12) + (2*s13*s24*z2)/(s12*s124*s234*z12) + 
   (2*s23*s24*z2)/(s12*s123*s234*z12) + (2*s23*s24*z2)/(s12*s124*s234*z12) + 
   (4*s24^2*z2)/(s12*s124^2*z12) - (2*s24^2*z2)/(s12*s123*s124*z12) + 
   (2*s13*s24^2*z2)/(s12^2*s124^2*z12) - (2*s13*s24^2*z2)/
    (s12^2*s123*s124*z12) - (2*s24^2*z2)/(s12*s124*s134*z12) + 
   (4*s14*s24^2*z2)/(s12^2*s124^2*z12) + (2*s23*s24^2*z2)/
    (s12^2*s124^2*z12) - (2*s23*s24^2*z2)/(s12^2*s123*s124*z12) - 
   (2*s24^2*z2)/(s12*s124*s234*z12) + (2*s24^3*z2)/(s12^2*s124^2*z12) - 
   (4*s12*s14*z2)/(s123*s134*s34*z12) + (4*s12*s14*z2)/(s124*s134*s34*z12) - 
   (8*s13*s14*z2)/(s123*s134*s34*z12) + (4*s13*s14*z2)/(s124*s134*s34*z12) - 
   (4*s13^2*s14*z2)/(s12*s123*s134*s34*z12) - 
   (4*s14^2*z2)/(s123*s134*s34*z12) + (8*s14^2*z2)/(s124*s134*s34*z12) - 
   (4*s13*s14^2*z2)/(s12*s123*s134*s34*z12) + 
   (4*s13*s14^2*z2)/(s12*s124*s134*s34*z12) + 
   (4*s14^3*z2)/(s12*s124*s134*s34*z12) - (8*s14*s23*z2)/
    (s123*s134*s34*z12) + (4*s14*s23*z2)/(s124*s134*s34*z12) - 
   (8*s13*s14*s23*z2)/(s12*s123*s134*s34*z12) - 
   (4*s14^2*s23*z2)/(s12*s123*s134*s34*z12) + 
   (4*s14^2*s23*z2)/(s12*s124*s134*s34*z12) - 
   (4*s14*s23^2*z2)/(s12*s123*s134*s34*z12) - 
   (4*s14*s24*z2)/(s123*s134*s34*z12) + (8*s14*s24*z2)/(s124*s134*s34*z12) - 
   (4*s13*s14*s24*z2)/(s12*s123*s134*s34*z12) + 
   (4*s13*s14*s24*z2)/(s12*s124*s134*s34*z12) + 
   (8*s14^2*s24*z2)/(s12*s124*s134*s34*z12) - (4*s14*s23*s24*z2)/
    (s12*s123*s134*s34*z12) + (4*s14*s23*s24*z2)/(s12*s124*s134*s34*z12) + 
   (4*s12*s24*z2)/(s123*s234*s34*z12) - (4*s12*s24*z2)/(s124*s234*s34*z12) + 
   (8*s13*s24*z2)/(s123*s234*s34*z12) - (4*s13*s24*z2)/(s124*s234*s34*z12) + 
   (4*s13^2*s24*z2)/(s12*s123*s234*s34*z12) + 
   (4*s14*s24*z2)/(s123*s234*s34*z12) - (8*s14*s24*z2)/(s124*s234*s34*z12) + 
   (4*s13*s14*s24*z2)/(s12*s123*s234*s34*z12) - 
   (4*s13*s14*s24*z2)/(s12*s124*s234*s34*z12) - 
   (4*s14^2*s24*z2)/(s12*s124*s234*s34*z12) + 
   (8*s23*s24*z2)/(s123*s234*s34*z12) - (4*s23*s24*z2)/(s124*s234*s34*z12) + 
   (8*s13*s23*s24*z2)/(s12*s123*s234*s34*z12) + 
   (4*s14*s23*s24*z2)/(s12*s123*s234*s34*z12) - 
   (4*s14*s23*s24*z2)/(s12*s124*s234*s34*z12) + 
   (4*s23^2*s24*z2)/(s12*s123*s234*s34*z12) + 
   (4*s14*s24^2*z2)/(s12*s124*s134*s34*z12) + 
   (4*s24^2*z2)/(s123*s234*s34*z12) - (8*s24^2*z2)/(s124*s234*s34*z12) + 
   (4*s13*s24^2*z2)/(s12*s123*s234*s34*z12) - 
   (4*s13*s24^2*z2)/(s12*s124*s234*s34*z12) - 
   (8*s14*s24^2*z2)/(s12*s124*s234*s34*z12) + 
   (4*s23*s24^2*z2)/(s12*s123*s234*s34*z12) - 
   (4*s23*s24^2*z2)/(s12*s124*s234*s34*z12) - 
   (4*s24^3*z2)/(s12*s124*s234*s34*z12) + (2*s34*z2)/(s123*s134*z12) - 
   (2*s34*z2)/(s124*s134*z12) + (2*s13*s34*z2)/(s12*s123*s134*z12) - 
   (2*s14*s34*z2)/(s12*s124*s134*z12) + (2*s23*s34*z2)/(s12*s123*s134*z12) - 
   (2*s34*z2)/(s123*s234*z12) + (2*s34*z2)/(s124*s234*z12) - 
   (2*s13*s34*z2)/(s12*s123*s234*z12) + (2*s14*s34*z2)/(s12*s124*s234*z12) - 
   (2*s23*s34*z2)/(s12*s123*s234*z12) + (2*s24*s34*z2)/(s12*s124^2*z12) - 
   (2*s24*s34*z2)/(s12*s123*s124*z12) - (2*s13*s24*s34*z2)/
    (s12^2*s123*s124*z12) - (2*s24*s34*z2)/(s12*s124*s134*z12) + 
   (2*s14*s24*s34*z2)/(s12^2*s124^2*z12) - (2*s23*s24*s34*z2)/
    (s12^2*s123*s124*z12) + (2*s24*s34*z2)/(s12*s124*s234*z12) + 
   (2*s24^2*s34*z2)/(s12^2*s124^2*z12) + (2*s24*z3)/(s123*s134*z12) - 
   (2*s24*z3)/(s124*s134*z12) + (2*s13*s24*z3)/(s12*s123*s134*z12) - 
   (2*s14*s24*z3)/(s12*s124*s134*z12) + (2*s23*s24*z3)/(s12*s123*s134*z12) + 
   (2*s24*z3)/(s123*s234*z12) - (2*s24*z3)/(s124*s234*z12) + 
   (2*s13*s24*z3)/(s12*s123*s234*z12) - (2*s14*s24*z3)/(s12*s124*s234*z12) + 
   (2*s23*s24*z3)/(s12*s123*s234*z12) - (2*s24^2*z3)/(s12*s124*s134*z12) - 
   (2*s24^2*z3)/(s12*s124*s234*z12) + (2*s12*s24*z3)/(s123*s134*s34*z12) - 
   (2*s12*s24*z3)/(s124*s134*s34*z12) + (4*s13*s24*z3)/(s123*s134*s34*z12) - 
   (2*s13*s24*z3)/(s124*s134*s34*z12) + (2*s13^2*s24*z3)/
    (s12*s123*s134*s34*z12) + (2*s14*s24*z3)/(s123*s134*s34*z12) - 
   (4*s14*s24*z3)/(s124*s134*s34*z12) + (2*s13*s14*s24*z3)/
    (s12*s123*s134*s34*z12) - (2*s13*s14*s24*z3)/(s12*s124*s134*s34*z12) - 
   (2*s14^2*s24*z3)/(s12*s124*s134*s34*z12) + 
   (4*s23*s24*z3)/(s123*s134*s34*z12) - (2*s23*s24*z3)/(s124*s134*s34*z12) + 
   (4*s13*s23*s24*z3)/(s12*s123*s134*s34*z12) + 
   (2*s14*s23*s24*z3)/(s12*s123*s134*s34*z12) - 
   (2*s14*s23*s24*z3)/(s12*s124*s134*s34*z12) + 
   (2*s23^2*s24*z3)/(s12*s123*s134*s34*z12) + 
   (2*s12*s24*z3)/(s123*s234*s34*z12) - (2*s12*s24*z3)/(s124*s234*s34*z12) + 
   (4*s13*s24*z3)/(s123*s234*s34*z12) - (2*s13*s24*z3)/(s124*s234*s34*z12) + 
   (2*s13^2*s24*z3)/(s12*s123*s234*s34*z12) + 
   (2*s14*s24*z3)/(s123*s234*s34*z12) - (4*s14*s24*z3)/(s124*s234*s34*z12) + 
   (2*s13*s14*s24*z3)/(s12*s123*s234*s34*z12) - 
   (2*s13*s14*s24*z3)/(s12*s124*s234*s34*z12) - 
   (2*s14^2*s24*z3)/(s12*s124*s234*s34*z12) + 
   (4*s23*s24*z3)/(s123*s234*s34*z12) - (2*s23*s24*z3)/(s124*s234*s34*z12) + 
   (4*s13*s23*s24*z3)/(s12*s123*s234*s34*z12) + 
   (2*s14*s23*s24*z3)/(s12*s123*s234*s34*z12) - 
   (2*s14*s23*s24*z3)/(s12*s124*s234*s34*z12) + 
   (2*s23^2*s24*z3)/(s12*s123*s234*s34*z12) + 
   (2*s24^2*z3)/(s123*s134*s34*z12) - (4*s24^2*z3)/(s124*s134*s34*z12) + 
   (2*s13*s24^2*z3)/(s12*s123*s134*s34*z12) - 
   (2*s13*s24^2*z3)/(s12*s124*s134*s34*z12) - 
   (4*s14*s24^2*z3)/(s12*s124*s134*s34*z12) + 
   (2*s23*s24^2*z3)/(s12*s123*s134*s34*z12) - 
   (2*s23*s24^2*z3)/(s12*s124*s134*s34*z12) + 
   (2*s24^2*z3)/(s123*s234*s34*z12) - (4*s24^2*z3)/(s124*s234*s34*z12) + 
   (2*s13*s24^2*z3)/(s12*s123*s234*s34*z12) - 
   (2*s13*s24^2*z3)/(s12*s124*s234*s34*z12) - 
   (4*s14*s24^2*z3)/(s12*s124*s234*s34*z12) + 
   (2*s23*s24^2*z3)/(s12*s123*s234*s34*z12) - 
   (2*s23*s24^2*z3)/(s12*s124*s234*s34*z12) - 
   (2*s24^3*z3)/(s12*s124*s134*s34*z12) - 
   (2*s24^3*z3)/(s12*s124*s234*s34*z12) + (2*s24*z1)/(s123*s134*z34) + 
   (2*s24*z1)/(s124*s134*z34) + (4*s13*s24*z1)/(s12*s123*s134*z34) + 
   (4*s13*s24*z1)/(s12*s124*s134*z34) + (4*s14*s24*z1)/(s12*s123*s134*z34) + 
   (4*s14*s24*z1)/(s12*s124*s134*z34) + (2*s23*s24*z1)/(s12*s123*s134*z34) + 
   (2*s23*s24*z1)/(s12*s124*s134*z34) - (2*s24*z1)/(s123*s234*z34) - 
   (2*s24*z1)/(s124*s234*z34) - (2*s13*s24*z1)/(s12*s123*s234*z34) - 
   (2*s13*s24*z1)/(s12*s124*s234*z34) - (2*s14*s24*z1)/(s12*s123*s234*z34) - 
   (2*s14*s24*z1)/(s12*s124*s234*z34) - (4*s23*s24*z1)/(s12*s123*s234*z34) - 
   (4*s23*s24*z1)/(s12*s124*s234*z34) + (2*s24^2*z1)/(s12*s123*s134*z34) + 
   (2*s24^2*z1)/(s12*s124*s134*z34) - (4*s24^2*z1)/(s12*s123*s234*z34) - 
   (4*s24^2*z1)/(s12*s124*s234*z34) + (2*s13*s24*z1)/(s123*s134*s34*z34) + 
   (2*s13*s24*z1)/(s124*s134*s34*z34) + (2*s13^2*s24*z1)/
    (s12*s123*s134*s34*z34) + (2*s13^2*s24*z1)/(s12*s124*s134*s34*z34) + 
   (2*s14*s24*z1)/(s123*s134*s34*z34) + (2*s14*s24*z1)/(s124*s134*s34*z34) + 
   (4*s13*s14*s24*z1)/(s12*s123*s134*s34*z34) + 
   (4*s13*s14*s24*z1)/(s12*s124*s134*s34*z34) + 
   (2*s14^2*s24*z1)/(s12*s123*s134*s34*z34) + 
   (2*s14^2*s24*z1)/(s12*s124*s134*s34*z34) + (2*s13*s23*s24*z1)/
    (s12*s123*s134*s34*z34) + (2*s13*s23*s24*z1)/(s12*s124*s134*s34*z34) + 
   (2*s14*s23*s24*z1)/(s12*s123*s134*s34*z34) + 
   (2*s14*s23*s24*z1)/(s12*s124*s134*s34*z34) - 
   (2*s23*s24*z1)/(s123*s234*s34*z34) - (2*s23*s24*z1)/(s124*s234*s34*z34) - 
   (2*s13*s23*s24*z1)/(s12*s123*s234*s34*z34) - 
   (2*s13*s23*s24*z1)/(s12*s124*s234*s34*z34) - 
   (2*s14*s23*s24*z1)/(s12*s123*s234*s34*z34) - 
   (2*s14*s23*s24*z1)/(s12*s124*s234*s34*z34) - 
   (2*s23^2*s24*z1)/(s12*s123*s234*s34*z34) - 
   (2*s23^2*s24*z1)/(s12*s124*s234*s34*z34) + 
   (2*s13*s24^2*z1)/(s12*s123*s134*s34*z34) + 
   (2*s13*s24^2*z1)/(s12*s124*s134*s34*z34) + 
   (2*s14*s24^2*z1)/(s12*s123*s134*s34*z34) + 
   (2*s14*s24^2*z1)/(s12*s124*s134*s34*z34) - 
   (2*s24^2*z1)/(s123*s234*s34*z34) - (2*s24^2*z1)/(s124*s234*s34*z34) - 
   (2*s13*s24^2*z1)/(s12*s123*s234*s34*z34) - 
   (2*s13*s24^2*z1)/(s12*s124*s234*s34*z34) - 
   (2*s14*s24^2*z1)/(s12*s123*s234*s34*z34) - 
   (2*s14*s24^2*z1)/(s12*s124*s234*s34*z34) - 
   (4*s23*s24^2*z1)/(s12*s123*s234*s34*z34) - 
   (4*s23*s24^2*z1)/(s12*s124*s234*s34*z34) - 
   (2*s24^3*z1)/(s12*s123*s234*s34*z34) - 
   (2*s24^3*z1)/(s12*s124*s234*s34*z34) + (2*s24*s34*z1)/
    (s12*s123*s134*z34) + (2*s24*s34*z1)/(s12*s124*s134*z34) - 
   (2*s24*s34*z1)/(s12*s123*s234*z34) - (2*s24*s34*z1)/(s12*s124*s234*z34) - 
   (2*s14*z2)/(s123*s134*z34) - (2*s14*z2)/(s124*s134*z34) - 
   (4*s13*s14*z2)/(s12*s123*s134*z34) - (4*s13*s14*z2)/(s12*s124*s134*z34) - 
   (4*s14^2*z2)/(s12*s123*s134*z34) - (4*s14^2*z2)/(s12*s124*s134*z34) - 
   (2*s14*s23*z2)/(s12*s123*s134*z34) - (2*s14*s23*z2)/(s12*s124*s134*z34) + 
   (2*s12*z2)/(s234^2*z34) + (2*s13*z2)/(s234^2*z34) + 
   (2*s14*z2)/(s234^2*z34) + (4*s23*z2)/(s234^2*z34) - 
   (2*s12*z2)/(s134*s234*z34) - (4*s13*z2)/(s134*s234*z34) + 
   (2*s14*z2)/(s123*s234*z34) + (2*s14*z2)/(s124*s234*z34) + 
   (2*s13*s14*z2)/(s12*s123*s234*z34) + (2*s13*s14*z2)/(s12*s124*s234*z34) - 
   (4*s14*z2)/(s134*s234*z34) + (2*s14^2*z2)/(s12*s123*s234*z34) + 
   (2*s14^2*z2)/(s12*s124*s234*z34) - (2*s23*z2)/(s134*s234*z34) + 
   (4*s14*s23*z2)/(s12*s123*s234*z34) + (4*s14*s23*z2)/(s12*s124*s234*z34) - 
   (2*s14*s24*z2)/(s12*s123*s134*z34) - (2*s14*s24*z2)/(s12*s124*s134*z34) + 
   (4*s24*z2)/(s234^2*z34) - (2*s24*z2)/(s134*s234*z34) + 
   (4*s14*s24*z2)/(s12*s123*s234*z34) + (4*s14*s24*z2)/(s12*s124*s234*z34) - 
   (2*s13*s14*z2)/(s123*s134*s34*z34) - (2*s13*s14*z2)/(s124*s134*s34*z34) - 
   (2*s13^2*s14*z2)/(s12*s123*s134*s34*z34) - 
   (2*s13^2*s14*z2)/(s12*s124*s134*s34*z34) - 
   (2*s14^2*z2)/(s123*s134*s34*z34) - (2*s14^2*z2)/(s124*s134*s34*z34) - 
   (4*s13*s14^2*z2)/(s12*s123*s134*s34*z34) - 
   (4*s13*s14^2*z2)/(s12*s124*s134*s34*z34) - 
   (2*s14^3*z2)/(s12*s123*s134*s34*z34) - 
   (2*s14^3*z2)/(s12*s124*s134*s34*z34) - (2*s13*s14*s23*z2)/
    (s12*s123*s134*s34*z34) - (2*s13*s14*s23*z2)/(s12*s124*s134*s34*z34) - 
   (2*s14^2*s23*z2)/(s12*s123*s134*s34*z34) - 
   (2*s14^2*s23*z2)/(s12*s124*s134*s34*z34) + 
   (2*s12*s23*z2)/(s234^2*s34*z34) + (2*s13*s23*z2)/(s234^2*s34*z34) + 
   (2*s14*s23*z2)/(s234^2*s34*z34) + (2*s23^2*z2)/(s234^2*s34*z34) - 
   (2*s12*s13*z2)/(s134*s234*s34*z34) - (2*s13^2*z2)/(s134*s234*s34*z34) - 
   (2*s12*s14*z2)/(s134*s234*s34*z34) - (4*s13*s14*z2)/(s134*s234*s34*z34) - 
   (2*s14^2*z2)/(s134*s234*s34*z34) - (2*s13*s23*z2)/(s134*s234*s34*z34) + 
   (2*s14*s23*z2)/(s123*s234*s34*z34) + (2*s14*s23*z2)/(s124*s234*s34*z34) + 
   (2*s13*s14*s23*z2)/(s12*s123*s234*s34*z34) + 
   (2*s13*s14*s23*z2)/(s12*s124*s234*s34*z34) - 
   (2*s14*s23*z2)/(s134*s234*s34*z34) + (2*s14^2*s23*z2)/
    (s12*s123*s234*s34*z34) + (2*s14^2*s23*z2)/(s12*s124*s234*s34*z34) + 
   (2*s14*s23^2*z2)/(s12*s123*s234*s34*z34) + 
   (2*s14*s23^2*z2)/(s12*s124*s234*s34*z34) - (2*s13*s14*s24*z2)/
    (s12*s123*s134*s34*z34) - (2*s13*s14*s24*z2)/(s12*s124*s134*s34*z34) - 
   (2*s14^2*s24*z2)/(s12*s123*s134*s34*z34) - 
   (2*s14^2*s24*z2)/(s12*s124*s134*s34*z34) + 
   (2*s12*s24*z2)/(s234^2*s34*z34) + (2*s13*s24*z2)/(s234^2*s34*z34) + 
   (2*s14*s24*z2)/(s234^2*s34*z34) + (4*s23*s24*z2)/(s234^2*s34*z34) - 
   (2*s13*s24*z2)/(s134*s234*s34*z34) + (2*s14*s24*z2)/(s123*s234*s34*z34) + 
   (2*s14*s24*z2)/(s124*s234*s34*z34) + (2*s13*s14*s24*z2)/
    (s12*s123*s234*s34*z34) + (2*s13*s14*s24*z2)/(s12*s124*s234*s34*z34) - 
   (2*s14*s24*z2)/(s134*s234*s34*z34) + (2*s14^2*s24*z2)/
    (s12*s123*s234*s34*z34) + (2*s14^2*s24*z2)/(s12*s124*s234*s34*z34) + 
   (4*s14*s23*s24*z2)/(s12*s123*s234*s34*z34) + 
   (4*s14*s23*s24*z2)/(s12*s124*s234*s34*z34) + 
   (2*s24^2*z2)/(s234^2*s34*z34) + (2*s14*s24^2*z2)/(s12*s123*s234*s34*z34) + 
   (2*s14*s24^2*z2)/(s12*s124*s234*s34*z34) - 
   (2*s14*s34*z2)/(s12*s123*s134*z34) - (2*s14*s34*z2)/(s12*s124*s134*z34) + 
   (2*s34*z2)/(s234^2*z34) - (2*s34*z2)/(s134*s234*z34) + 
   (2*s14*s34*z2)/(s12*s123*s234*z34) + (2*s14*s34*z2)/(s12*s124*s234*z34) - 
   (2*s24*z3)/(s234^2*z34) + (2*s24*z3)/(s134*s234*z34) - 
   (2*s12*s23*s24*z3)/(s234^2*s34^2*z34) - (2*s13*s23*s24*z3)/
    (s234^2*s34^2*z34) - (2*s14*s23*s24*z3)/(s234^2*s34^2*z34) - 
   (2*s23^2*s24*z3)/(s234^2*s34^2*z34) + (2*s12*s13*s24*z3)/
    (s134*s234*s34^2*z34) + (2*s13^2*s24*z3)/(s134*s234*s34^2*z34) + 
   (2*s12*s14*s24*z3)/(s134*s234*s34^2*z34) + (4*s13*s14*s24*z3)/
    (s134*s234*s34^2*z34) + (2*s14^2*s24*z3)/(s134*s234*s34^2*z34) + 
   (2*s13*s23*s24*z3)/(s134*s234*s34^2*z34) + (2*s14*s23*s24*z3)/
    (s134*s234*s34^2*z34) - (2*s12*s24^2*z3)/(s234^2*s34^2*z34) - 
   (2*s13*s24^2*z3)/(s234^2*s34^2*z34) - (2*s14*s24^2*z3)/
    (s234^2*s34^2*z34) - (4*s23*s24^2*z3)/(s234^2*s34^2*z34) + 
   (2*s13*s24^2*z3)/(s134*s234*s34^2*z34) + (2*s14*s24^2*z3)/
    (s134*s234*s34^2*z34) - (2*s24^3*z3)/(s234^2*s34^2*z34) - 
   (2*s12*s24*z3)/(s234^2*s34*z34) - (2*s13*s24*z3)/(s234^2*s34*z34) - 
   (2*s14*s24*z3)/(s234^2*s34*z34) - (4*s23*s24*z3)/(s234^2*s34*z34) + 
   (2*s12*s24*z3)/(s134*s234*s34*z34) + (4*s13*s24*z3)/(s134*s234*s34*z34) + 
   (4*s14*s24*z3)/(s134*s234*s34*z34) + (2*s23*s24*z3)/(s134*s234*s34*z34) - 
   (4*s24^2*z3)/(s234^2*s34*z34) + (2*s24^2*z3)/(s134*s234*s34*z34) + 
   (2*s12*z4)/(s124^2*z12) - (2*s12*z4)/(s123*s124*z12) + 
   (2*s13*z4)/(s124^2*z12) - (4*s13*z4)/(s123*s124*z12) - 
   (2*s13^2*z4)/(s12*s123*s124*z12) + (4*s14*z4)/(s124^2*z12) - 
   (2*s14*z4)/(s123*s124*z12) + (2*s13*s14*z4)/(s12*s124^2*z12) - 
   (2*s13*s14*z4)/(s12*s123*s124*z12) + (2*s14^2*z4)/(s12*s124^2*z12) + 
   (2*s23*z4)/(s124^2*z12) - (4*s23*z4)/(s123*s124*z12) - 
   (4*s13*s23*z4)/(s12*s123*s124*z12) - (2*s23*z4)/(s123*s134*z12) + 
   (2*s23*z4)/(s124*s134*z12) - (2*s13*s23*z4)/(s12*s123*s134*z12) + 
   (2*s14*s23*z4)/(s12*s124^2*z12) - (2*s14*s23*z4)/(s12*s123*s124*z12) + 
   (2*s14*s23*z4)/(s12*s124*s134*z12) - (2*s23^2*z4)/(s12*s123*s124*z12) - 
   (2*s23^2*z4)/(s12*s123*s134*z12) - (2*s23*z4)/(s123*s234*z12) + 
   (2*s23*z4)/(s124*s234*z12) - (2*s13*s23*z4)/(s12*s123*s234*z12) + 
   (2*s14*s23*z4)/(s12*s124*s234*z12) - (2*s23^2*z4)/(s12*s123*s234*z12) + 
   (4*s24*z4)/(s124^2*z12) - (2*s24*z4)/(s123*s124*z12) + 
   (2*s13*s24*z4)/(s12*s124^2*z12) - (2*s13*s24*z4)/(s12*s123*s124*z12) + 
   (4*s14*s24*z4)/(s12*s124^2*z12) + (2*s23*s24*z4)/(s12*s124^2*z12) - 
   (2*s23*s24*z4)/(s12*s123*s124*z12) + (2*s23*s24*z4)/(s12*s124*s134*z12) + 
   (2*s23*s24*z4)/(s12*s124*s234*z12) + (2*s24^2*z4)/(s12*s124^2*z12) - 
   (2*s12*s23*z4)/(s123*s134*s34*z12) + (2*s12*s23*z4)/(s124*s134*s34*z12) - 
   (4*s13*s23*z4)/(s123*s134*s34*z12) + (2*s13*s23*z4)/(s124*s134*s34*z12) - 
   (2*s13^2*s23*z4)/(s12*s123*s134*s34*z12) - 
   (2*s14*s23*z4)/(s123*s134*s34*z12) + (4*s14*s23*z4)/(s124*s134*s34*z12) - 
   (2*s13*s14*s23*z4)/(s12*s123*s134*s34*z12) + 
   (2*s13*s14*s23*z4)/(s12*s124*s134*s34*z12) + 
   (2*s14^2*s23*z4)/(s12*s124*s134*s34*z12) - 
   (4*s23^2*z4)/(s123*s134*s34*z12) + (2*s23^2*z4)/(s124*s134*s34*z12) - 
   (4*s13*s23^2*z4)/(s12*s123*s134*s34*z12) - 
   (2*s14*s23^2*z4)/(s12*s123*s134*s34*z12) + 
   (2*s14*s23^2*z4)/(s12*s124*s134*s34*z12) - 
   (2*s23^3*z4)/(s12*s123*s134*s34*z12) - (2*s12*s23*z4)/
    (s123*s234*s34*z12) + (2*s12*s23*z4)/(s124*s234*s34*z12) - 
   (4*s13*s23*z4)/(s123*s234*s34*z12) + (2*s13*s23*z4)/(s124*s234*s34*z12) - 
   (2*s13^2*s23*z4)/(s12*s123*s234*s34*z12) - 
   (2*s14*s23*z4)/(s123*s234*s34*z12) + (4*s14*s23*z4)/(s124*s234*s34*z12) - 
   (2*s13*s14*s23*z4)/(s12*s123*s234*s34*z12) + 
   (2*s13*s14*s23*z4)/(s12*s124*s234*s34*z12) + 
   (2*s14^2*s23*z4)/(s12*s124*s234*s34*z12) - 
   (4*s23^2*z4)/(s123*s234*s34*z12) + (2*s23^2*z4)/(s124*s234*s34*z12) - 
   (4*s13*s23^2*z4)/(s12*s123*s234*s34*z12) - 
   (2*s14*s23^2*z4)/(s12*s123*s234*s34*z12) + 
   (2*s14*s23^2*z4)/(s12*s124*s234*s34*z12) - 
   (2*s23^3*z4)/(s12*s123*s234*s34*z12) - (2*s23*s24*z4)/
    (s123*s134*s34*z12) + (4*s23*s24*z4)/(s124*s134*s34*z12) - 
   (2*s13*s23*s24*z4)/(s12*s123*s134*s34*z12) + 
   (2*s13*s23*s24*z4)/(s12*s124*s134*s34*z12) + 
   (4*s14*s23*s24*z4)/(s12*s124*s134*s34*z12) - 
   (2*s23^2*s24*z4)/(s12*s123*s134*s34*z12) + 
   (2*s23^2*s24*z4)/(s12*s124*s134*s34*z12) - 
   (2*s23*s24*z4)/(s123*s234*s34*z12) + (4*s23*s24*z4)/(s124*s234*s34*z12) - 
   (2*s13*s23*s24*z4)/(s12*s123*s234*s34*z12) + 
   (2*s13*s23*s24*z4)/(s12*s124*s234*s34*z12) + 
   (4*s14*s23*s24*z4)/(s12*s124*s234*s34*z12) - 
   (2*s23^2*s24*z4)/(s12*s123*s234*s34*z12) + 
   (2*s23^2*s24*z4)/(s12*s124*s234*s34*z12) + 
   (2*s23*s24^2*z4)/(s12*s124*s134*s34*z12) + 
   (2*s23*s24^2*z4)/(s12*s124*s234*s34*z12) + (2*s34*z4)/(s124^2*z12) - 
   (2*s34*z4)/(s123*s124*z12) - (2*s13*s34*z4)/(s12*s123*s124*z12) + 
   (2*s14*s34*z4)/(s12*s124^2*z12) - (2*s23*s34*z4)/(s12*s123*s124*z12) + 
   (2*s24*s34*z4)/(s12*s124^2*z12) + (2*s12*z4)/(s123*s134*z34) - 
   (2*s12*z4)/(s124*s134*z34) + (4*s13*z4)/(s123*s134*z34) - 
   (4*s13*z4)/(s124*s134*z34) + (4*s14*z4)/(s123*s134*z34) - 
   (4*s14*z4)/(s124*s134*z34) - (2*s23*z4)/(s123*s134*z34) - 
   (2*s23*z4)/(s124*s134*z34) - (8*s13*s23*z4)/(s12*s123*s134*z34) - 
   (8*s14*s23*z4)/(s12*s123*s134*z34) - (4*s23^2*z4)/(s12*s123*s134*z34) - 
   (2*s12*z4)/(s123*s234*z34) + (2*s12*z4)/(s124*s234*z34) - 
   (2*s13*z4)/(s123*s234*z34) + (2*s13*z4)/(s124*s234*z34) - 
   (2*s14*z4)/(s123*s234*z34) + (2*s14*z4)/(s124*s234*z34) + 
   (4*s23*z4)/(s124*s234*z34) + (4*s13*s23*z4)/(s12*s123*s234*z34) + 
   (4*s14*s23*z4)/(s12*s123*s234*z34) + (8*s23^2*z4)/(s12*s123*s234*z34) + 
   (2*s24*z4)/(s123*s134*z34) + (2*s24*z4)/(s124*s134*z34) + 
   (8*s13*s24*z4)/(s12*s124*s134*z34) + (8*s14*s24*z4)/(s12*s124*s134*z34) - 
   (4*s23*s24*z4)/(s12*s123*s134*z34) + (4*s23*s24*z4)/(s12*s124*s134*z34) + 
   (2*s24*z4)/(s234^2*z34) - (4*s24*z4)/(s123*s234*z34) - 
   (4*s13*s24*z4)/(s12*s124*s234*z34) - (2*s24*z4)/(s134*s234*z34) - 
   (4*s14*s24*z4)/(s12*s124*s234*z34) + (8*s23*s24*z4)/(s12*s123*s234*z34) - 
   (8*s23*s24*z4)/(s12*s124*s234*z34) + (4*s24^2*z4)/(s12*s124*s134*z34) - 
   (8*s24^2*z4)/(s12*s124*s234*z34) + (2*s12*s23*s24*z4)/(s234^2*s34^2*z34) + 
   (2*s13*s23*s24*z4)/(s234^2*s34^2*z34) + (2*s14*s23*s24*z4)/
    (s234^2*s34^2*z34) + (2*s23^2*s24*z4)/(s234^2*s34^2*z34) - 
   (2*s12*s13*s24*z4)/(s134*s234*s34^2*z34) - 
   (2*s13^2*s24*z4)/(s134*s234*s34^2*z34) - (2*s12*s14*s24*z4)/
    (s134*s234*s34^2*z34) - (4*s13*s14*s24*z4)/(s134*s234*s34^2*z34) - 
   (2*s14^2*s24*z4)/(s134*s234*s34^2*z34) - (2*s13*s23*s24*z4)/
    (s134*s234*s34^2*z34) - (2*s14*s23*s24*z4)/(s134*s234*s34^2*z34) + 
   (2*s12*s24^2*z4)/(s234^2*s34^2*z34) + (2*s13*s24^2*z4)/
    (s234^2*s34^2*z34) + (2*s14*s24^2*z4)/(s234^2*s34^2*z34) + 
   (4*s23*s24^2*z4)/(s234^2*s34^2*z34) - (2*s13*s24^2*z4)/
    (s134*s234*s34^2*z34) - (2*s14*s24^2*z4)/(s134*s234*s34^2*z34) + 
   (2*s24^3*z4)/(s234^2*s34^2*z34) + (2*s12*s13*z4)/(s123*s134*s34*z34) - 
   (2*s12*s13*z4)/(s124*s134*s34*z34) + (2*s13^2*z4)/(s123*s134*s34*z34) - 
   (2*s13^2*z4)/(s124*s134*s34*z34) + (2*s12*s14*z4)/(s123*s134*s34*z34) - 
   (2*s12*s14*z4)/(s124*s134*s34*z34) + (4*s13*s14*z4)/(s123*s134*s34*z34) - 
   (4*s13*s14*z4)/(s124*s134*s34*z34) + (2*s14^2*z4)/(s123*s134*s34*z34) - 
   (2*s14^2*z4)/(s124*s134*s34*z34) - (2*s13*s23*z4)/(s123*s134*s34*z34) - 
   (2*s13*s23*z4)/(s124*s134*s34*z34) - (4*s13^2*s23*z4)/
    (s12*s123*s134*s34*z34) - (2*s14*s23*z4)/(s123*s134*s34*z34) - 
   (2*s14*s23*z4)/(s124*s134*s34*z34) - (8*s13*s14*s23*z4)/
    (s12*s123*s134*s34*z34) - (4*s14^2*s23*z4)/(s12*s123*s134*s34*z34) - 
   (4*s13*s23^2*z4)/(s12*s123*s134*s34*z34) - 
   (4*s14*s23^2*z4)/(s12*s123*s134*s34*z34) - 
   (2*s12*s23*z4)/(s123*s234*s34*z34) + (2*s12*s23*z4)/(s124*s234*s34*z34) - 
   (2*s13*s23*z4)/(s123*s234*s34*z34) + (2*s13*s23*z4)/(s124*s234*s34*z34) - 
   (2*s14*s23*z4)/(s123*s234*s34*z34) + (2*s14*s23*z4)/(s124*s234*s34*z34) + 
   (2*s23^2*z4)/(s123*s234*s34*z34) + (2*s23^2*z4)/(s124*s234*s34*z34) + 
   (4*s13*s23^2*z4)/(s12*s123*s234*s34*z34) + 
   (4*s14*s23^2*z4)/(s12*s123*s234*s34*z34) + 
   (4*s23^3*z4)/(s12*s123*s234*s34*z34) + (2*s13*s24*z4)/
    (s123*s134*s34*z34) + (2*s13*s24*z4)/(s124*s134*s34*z34) + 
   (4*s13^2*s24*z4)/(s12*s124*s134*s34*z34) + 
   (2*s14*s24*z4)/(s123*s134*s34*z34) + (2*s14*s24*z4)/(s124*s134*s34*z34) + 
   (8*s13*s14*s24*z4)/(s12*s124*s134*s34*z34) + 
   (4*s14^2*s24*z4)/(s12*s124*s134*s34*z34) - (4*s13*s23*s24*z4)/
    (s12*s123*s134*s34*z34) + (4*s13*s23*s24*z4)/(s12*s124*s134*s34*z34) - 
   (4*s14*s23*s24*z4)/(s12*s123*s134*s34*z34) + 
   (4*s14*s23*s24*z4)/(s12*s124*s134*s34*z34) + 
   (2*s12*s24*z4)/(s234^2*s34*z34) + (2*s13*s24*z4)/(s234^2*s34*z34) + 
   (2*s14*s24*z4)/(s234^2*s34*z34) + (4*s23*s24*z4)/(s234^2*s34*z34) - 
   (2*s12*s24*z4)/(s123*s234*s34*z34) + (2*s12*s24*z4)/(s124*s234*s34*z34) - 
   (2*s13*s24*z4)/(s123*s234*s34*z34) + (2*s13*s24*z4)/(s124*s234*s34*z34) - 
   (2*s12*s24*z4)/(s134*s234*s34*z34) - (4*s13*s24*z4)/(s134*s234*s34*z34) - 
   (2*s14*s24*z4)/(s123*s234*s34*z34) + (2*s14*s24*z4)/(s124*s234*s34*z34) - 
   (4*s14*s24*z4)/(s134*s234*s34*z34) + (4*s13*s23*s24*z4)/
    (s12*s123*s234*s34*z34) - (4*s13*s23*s24*z4)/(s12*s124*s234*s34*z34) - 
   (2*s23*s24*z4)/(s134*s234*s34*z34) + (4*s14*s23*s24*z4)/
    (s12*s123*s234*s34*z34) - (4*s14*s23*s24*z4)/(s12*s124*s234*s34*z34) + 
   (8*s23^2*s24*z4)/(s12*s123*s234*s34*z34) - 
   (4*s23^2*s24*z4)/(s12*s124*s234*s34*z34) + 
   (4*s13*s24^2*z4)/(s12*s124*s134*s34*z34) + 
   (4*s14*s24^2*z4)/(s12*s124*s134*s34*z34) + (4*s24^2*z4)/(s234^2*s34*z34) - 
   (2*s24^2*z4)/(s123*s234*s34*z34) - (2*s24^2*z4)/(s124*s234*s34*z34) - 
   (4*s13*s24^2*z4)/(s12*s124*s234*s34*z34) - 
   (2*s24^2*z4)/(s134*s234*s34*z34) - (4*s14*s24^2*z4)/
    (s12*s124*s234*s34*z34) + (4*s23*s24^2*z4)/(s12*s123*s234*s34*z34) - 
   (8*s23*s24^2*z4)/(s12*s124*s234*s34*z34) - 
   (4*s24^3*z4)/(s12*s124*s234*s34*z34) + (2*s34*z4)/(s123*s134*z34) - 
   (2*s34*z4)/(s124*s134*z34) - (4*s23*s34*z4)/(s12*s123*s134*z34) - 
   (2*s34*z4)/(s123*s234*z34) + (2*s34*z4)/(s124*s234*z34) + 
   (4*s23*s34*z4)/(s12*s123*s234*z34) + (4*s24*s34*z4)/(s12*s124*s134*z34) - 
   (4*s24*s34*z4)/(s12*s124*s234*z34) + (4*s12*z2*z4)/(s123*s134*z12*z34) - 
   (4*s12*z2*z4)/(s124*s134*z12*z34) + (12*s13*z2*z4)/(s123*s134*z12*z34) - 
   (8*s13*z2*z4)/(s124*s134*z12*z34) + (8*s13^2*z2*z4)/
    (s12*s123*s134*z12*z34) + (8*s14*z2*z4)/(s123*s134*z12*z34) - 
   (12*s14*z2*z4)/(s124*s134*z12*z34) + (8*s13*s14*z2*z4)/
    (s12*s123*s134*z12*z34) - (8*s13*s14*z2*z4)/(s12*s124*s134*z12*z34) - 
   (8*s14^2*z2*z4)/(s12*s124*s134*z12*z34) + 
   (8*s23*z2*z4)/(s123*s134*z12*z34) - (4*s23*z2*z4)/(s124*s134*z12*z34) + 
   (12*s13*s23*z2*z4)/(s12*s123*s134*z12*z34) + 
   (8*s14*s23*z2*z4)/(s12*s123*s134*z12*z34) - 
   (4*s14*s23*z2*z4)/(s12*s124*s134*z12*z34) + 
   (4*s23^2*z2*z4)/(s12*s123*s134*z12*z34) - 
   (4*s12*z2*z4)/(s123*s234*z12*z34) + (4*s12*z2*z4)/(s124*s234*z12*z34) - 
   (8*s13*z2*z4)/(s123*s234*z12*z34) + (4*s13*z2*z4)/(s124*s234*z12*z34) - 
   (4*s13^2*z2*z4)/(s12*s123*s234*z12*z34) - 
   (4*s14*z2*z4)/(s123*s234*z12*z34) + (8*s14*z2*z4)/(s124*s234*z12*z34) - 
   (4*s13*s14*z2*z4)/(s12*s123*s234*z12*z34) + 
   (4*s13*s14*z2*z4)/(s12*s124*s234*z12*z34) + 
   (4*s14^2*z2*z4)/(s12*s124*s234*z12*z34) - 
   (12*s23*z2*z4)/(s123*s234*z12*z34) + (8*s23*z2*z4)/(s124*s234*z12*z34) - 
   (12*s13*s23*z2*z4)/(s12*s123*s234*z12*z34) - 
   (4*s14*s23*z2*z4)/(s12*s123*s234*z12*z34) + 
   (8*s14*s23*z2*z4)/(s12*s124*s234*z12*z34) - 
   (8*s23^2*z2*z4)/(s12*s123*s234*z12*z34) + 
   (4*s24*z2*z4)/(s123*s134*z12*z34) - (8*s24*z2*z4)/(s124*s134*z12*z34) + 
   (4*s13*s24*z2*z4)/(s12*s123*s134*z12*z34) - 
   (8*s13*s24*z2*z4)/(s12*s124*s134*z12*z34) - 
   (12*s14*s24*z2*z4)/(s12*s124*s134*z12*z34) + 
   (4*s23*s24*z2*z4)/(s12*s123*s134*z12*z34) - 
   (4*s23*s24*z2*z4)/(s12*s124*s134*z12*z34) - 
   (8*s24*z2*z4)/(s123*s234*z12*z34) + (12*s24*z2*z4)/(s124*s234*z12*z34) - 
   (8*s13*s24*z2*z4)/(s12*s123*s234*z12*z34) + 
   (4*s13*s24*z2*z4)/(s12*s124*s234*z12*z34) + 
   (12*s14*s24*z2*z4)/(s12*s124*s234*z12*z34) - 
   (8*s23*s24*z2*z4)/(s12*s123*s234*z12*z34) + 
   (8*s23*s24*z2*z4)/(s12*s124*s234*z12*z34) - 
   (4*s24^2*z2*z4)/(s12*s124*s134*z12*z34) + 
   (8*s24^2*z2*z4)/(s12*s124*s234*z12*z34) + (4*s12*s13*z2*z4)/
    (s123*s134*s34*z12*z34) - (4*s12*s13*z2*z4)/(s124*s134*s34*z12*z34) + 
   (8*s13^2*z2*z4)/(s123*s134*s34*z12*z34) - 
   (4*s13^2*z2*z4)/(s124*s134*s34*z12*z34) + 
   (4*s13^3*z2*z4)/(s12*s123*s134*s34*z12*z34) + 
   (4*s12*s14*z2*z4)/(s123*s134*s34*z12*z34) - 
   (4*s12*s14*z2*z4)/(s124*s134*s34*z12*z34) + 
   (12*s13*s14*z2*z4)/(s123*s134*s34*z12*z34) - 
   (12*s13*s14*z2*z4)/(s124*s134*s34*z12*z34) + 
   (8*s13^2*s14*z2*z4)/(s12*s123*s134*s34*z12*z34) - 
   (4*s13^2*s14*z2*z4)/(s12*s124*s134*s34*z12*z34) + 
   (4*s14^2*z2*z4)/(s123*s134*s34*z12*z34) - 
   (8*s14^2*z2*z4)/(s124*s134*s34*z12*z34) + (4*s13*s14^2*z2*z4)/
    (s12*s123*s134*s34*z12*z34) - (8*s13*s14^2*z2*z4)/
    (s12*s124*s134*s34*z12*z34) - (4*s14^3*z2*z4)/(s12*s124*s134*s34*z12*
     z34) + (8*s13*s23*z2*z4)/(s123*s134*s34*z12*z34) - 
   (4*s13*s23*z2*z4)/(s124*s134*s34*z12*z34) + (8*s13^2*s23*z2*z4)/
    (s12*s123*s134*s34*z12*z34) + (8*s14*s23*z2*z4)/(s123*s134*s34*z12*z34) - 
   (4*s14*s23*z2*z4)/(s124*s134*s34*z12*z34) + (12*s13*s14*s23*z2*z4)/
    (s12*s123*s134*s34*z12*z34) - (4*s13*s14*s23*z2*z4)/
    (s12*s124*s134*s34*z12*z34) + (4*s14^2*s23*z2*z4)/
    (s12*s123*s134*s34*z12*z34) - (4*s14^2*s23*z2*z4)/
    (s12*s124*s134*s34*z12*z34) + (4*s13*s23^2*z2*z4)/
    (s12*s123*s134*s34*z12*z34) + (4*s14*s23^2*z2*z4)/
    (s12*s123*s134*s34*z12*z34) - (4*s12*s23*z2*z4)/(s123*s234*s34*z12*z34) + 
   (4*s12*s23*z2*z4)/(s124*s234*s34*z12*z34) - 
   (8*s13*s23*z2*z4)/(s123*s234*s34*z12*z34) + 
   (4*s13*s23*z2*z4)/(s124*s234*s34*z12*z34) - (4*s13^2*s23*z2*z4)/
    (s12*s123*s234*s34*z12*z34) - (4*s14*s23*z2*z4)/(s123*s234*s34*z12*z34) + 
   (8*s14*s23*z2*z4)/(s124*s234*s34*z12*z34) - (4*s13*s14*s23*z2*z4)/
    (s12*s123*s234*s34*z12*z34) + (4*s13*s14*s23*z2*z4)/
    (s12*s124*s234*s34*z12*z34) + (4*s14^2*s23*z2*z4)/
    (s12*s124*s234*s34*z12*z34) - (8*s23^2*z2*z4)/(s123*s234*s34*z12*z34) + 
   (4*s23^2*z2*z4)/(s124*s234*s34*z12*z34) - (8*s13*s23^2*z2*z4)/
    (s12*s123*s234*s34*z12*z34) - (4*s14*s23^2*z2*z4)/
    (s12*s123*s234*s34*z12*z34) + (4*s14*s23^2*z2*z4)/
    (s12*s124*s234*s34*z12*z34) - (4*s23^3*z2*z4)/(s12*s123*s234*s34*z12*
     z34) + (4*s13*s24*z2*z4)/(s123*s134*s34*z12*z34) - 
   (8*s13*s24*z2*z4)/(s124*s134*s34*z12*z34) + (4*s13^2*s24*z2*z4)/
    (s12*s123*s134*s34*z12*z34) - (4*s13^2*s24*z2*z4)/
    (s12*s124*s134*s34*z12*z34) + (4*s14*s24*z2*z4)/(s123*s134*s34*z12*z34) - 
   (8*s14*s24*z2*z4)/(s124*s134*s34*z12*z34) + (4*s13*s14*s24*z2*z4)/
    (s12*s123*s134*s34*z12*z34) - (12*s13*s14*s24*z2*z4)/
    (s12*s124*s134*s34*z12*z34) - (8*s14^2*s24*z2*z4)/
    (s12*s124*s134*s34*z12*z34) + (4*s13*s23*s24*z2*z4)/
    (s12*s123*s134*s34*z12*z34) - (4*s13*s23*s24*z2*z4)/
    (s12*s124*s134*s34*z12*z34) + (4*s14*s23*s24*z2*z4)/
    (s12*s123*s134*s34*z12*z34) - (4*s14*s23*s24*z2*z4)/
    (s12*s124*s134*s34*z12*z34) - (4*s12*s24*z2*z4)/(s123*s234*s34*z12*z34) + 
   (4*s12*s24*z2*z4)/(s124*s234*s34*z12*z34) - 
   (8*s13*s24*z2*z4)/(s123*s234*s34*z12*z34) + 
   (4*s13*s24*z2*z4)/(s124*s234*s34*z12*z34) - (4*s13^2*s24*z2*z4)/
    (s12*s123*s234*s34*z12*z34) - (4*s14*s24*z2*z4)/(s123*s234*s34*z12*z34) + 
   (8*s14*s24*z2*z4)/(s124*s234*s34*z12*z34) - (4*s13*s14*s24*z2*z4)/
    (s12*s123*s234*s34*z12*z34) + (4*s13*s14*s24*z2*z4)/
    (s12*s124*s234*s34*z12*z34) + (4*s14^2*s24*z2*z4)/
    (s12*s124*s234*s34*z12*z34) - (12*s23*s24*z2*z4)/
    (s123*s234*s34*z12*z34) + (12*s23*s24*z2*z4)/(s124*s234*s34*z12*z34) - 
   (12*s13*s23*s24*z2*z4)/(s12*s123*s234*s34*z12*z34) + 
   (4*s13*s23*s24*z2*z4)/(s12*s124*s234*s34*z12*z34) - 
   (4*s14*s23*s24*z2*z4)/(s12*s123*s234*s34*z12*z34) + 
   (12*s14*s23*s24*z2*z4)/(s12*s124*s234*s34*z12*z34) - 
   (8*s23^2*s24*z2*z4)/(s12*s123*s234*s34*z12*z34) + 
   (4*s23^2*s24*z2*z4)/(s12*s124*s234*s34*z12*z34) - 
   (4*s13*s24^2*z2*z4)/(s12*s124*s134*s34*z12*z34) - 
   (4*s14*s24^2*z2*z4)/(s12*s124*s134*s34*z12*z34) - 
   (4*s24^2*z2*z4)/(s123*s234*s34*z12*z34) + 
   (8*s24^2*z2*z4)/(s124*s234*s34*z12*z34) - (4*s13*s24^2*z2*z4)/
    (s12*s123*s234*s34*z12*z34) + (4*s13*s24^2*z2*z4)/
    (s12*s124*s234*s34*z12*z34) + (8*s14*s24^2*z2*z4)/
    (s12*s124*s234*s34*z12*z34) - (4*s23*s24^2*z2*z4)/
    (s12*s123*s234*s34*z12*z34) + (8*s23*s24^2*z2*z4)/
    (s12*s124*s234*s34*z12*z34) + (4*s24^3*z2*z4)/(s12*s124*s234*s34*z12*
     z34) + (4*s34*z2*z4)/(s123*s134*z12*z34) - 
   (4*s34*z2*z4)/(s124*s134*z12*z34) + (4*s13*s34*z2*z4)/
    (s12*s123*s134*z12*z34) - (4*s14*s34*z2*z4)/(s12*s124*s134*z12*z34) + 
   (4*s23*s34*z2*z4)/(s12*s123*s134*z12*z34) - 
   (4*s34*z2*z4)/(s123*s234*z12*z34) + (4*s34*z2*z4)/(s124*s234*z12*z34) - 
   (4*s13*s34*z2*z4)/(s12*s123*s234*z12*z34) + 
   (4*s14*s34*z2*z4)/(s12*s124*s234*z12*z34) - 
   (4*s23*s34*z2*z4)/(s12*s123*s234*z12*z34) - 
   (4*s24*s34*z2*z4)/(s12*s124*s134*z12*z34) + 
   (4*s24*s34*z2*z4)/(s12*s124*s234*z12*z34)) + 
 k3k1*((D*s12)/(s123*s134) + (4*s12)/(s124*s134) - (D*s12)/(s124*s134) + 
   (D*s13)/(s123*s134) + (4*s13)/(s124*s134) - (D*s13)/(s124*s134) - 
   (2*s14)/s124^2 + (D*s14)/s124^2 - (4*s14)/(s123*s124) + 
   (D*s14)/(s123*s124) - (2*s13*s14)/(s12*s124^2) + 
   (D*s13*s14)/(s12*s124^2) - (4*s13*s14)/(s12*s123*s124) + 
   (D*s13*s14)/(s12*s123*s124) + (D*s14)/(s123*s134) + (8*s14)/(s124*s134) - 
   (D*s14)/(s124*s134) - (2*s14^2)/(s12*s124^2) + (D*s14^2)/(s12*s124^2) - 
   (4*s14^2)/(s12*s123*s124) + (D*s14^2)/(s12*s123*s124) + 
   (D*s23)/(s123*s134) + (4*s23)/(s124*s134) - (D*s23)/(s124*s134) - 
   (2*s14*s23)/(s12*s124^2) + (D*s14*s23)/(s12*s124^2) - 
   (4*s14*s23)/(s12*s123*s124) + (D*s14*s23)/(s12*s123*s124) + 
   (D*s14*s23)/(s12*s123*s134) - (4*s14*s23)/(s12*s124*s134) + 
   (D*s14*s23)/(s12*s124*s134) - (2*s23)/s234^2 + (D*s23)/s234^2 + 
   (4*s12)/(s123*s234) - (D*s12)/(s123*s234) + (D*s12)/(s124*s234) + 
   (4*s13)/(s123*s234) - (D*s13)/(s123*s234) + (D*s13)/(s124*s234) + 
   (2*s12)/(s134*s234) + (4*s14)/(s123*s234) - (D*s14)/(s123*s234) + 
   (D*s14)/(s124*s234) + (8*s23)/(s123*s234) - (D*s23)/(s123*s234) + 
   (D*s23)/(s124*s234) + (4*s13*s23)/(s12*s123*s234) - (4*s23)/(s134*s234) + 
   (D*s23)/(s134*s234) + (D*s14*s23)/(s12*s123*s234) + 
   (D*s14*s23)/(s12*s124*s234) + (4*s23^2)/(s12*s123*s234) - (4*s24)/s124^2 + 
   (D*s24)/s124^2 - (6*s24)/(s123*s124) + (D*s24)/(s123*s124) - 
   (4*s13*s24)/(s12*s124^2) + (D*s13*s24)/(s12*s124^2) - 
   (8*s13*s24)/(s12*s123*s124) + (D*s13*s24)/(s12*s123*s124) - 
   (2*s13^2*s24)/(s12^2*s123*s124) + (D*s24)/(s123*s134) + 
   (8*s24)/(s124*s134) - (D*s24)/(s124*s134) + (4*s13*s24)/(s12*s123*s134) + 
   (4*s13*s24)/(s12*s124*s134) - (4*s14*s24)/(s12*s124^2) + 
   (2*D*s14*s24)/(s12*s124^2) - (10*s14*s24)/(s12*s123*s124) + 
   (2*D*s14*s24)/(s12*s123*s124) + (2*s13*s14*s24)/(s12^2*s124^2) - 
   (2*s13*s14*s24)/(s12^2*s123*s124) - (4*s14*s24)/(s12*s123*s134) + 
   (D*s14*s24)/(s12*s123*s134) + (D*s14*s24)/(s12*s124*s134) + 
   (2*s14^2*s24)/(s12^2*s124^2) - (4*s23*s24)/(s12*s124^2) + 
   (D*s23*s24)/(s12*s124^2) - (4*s23*s24)/(s12*s123*s124) + 
   (D*s23*s24)/(s12*s123*s124) - (4*s23*s24)/(s12*s123*s134) + 
   (D*s23*s24)/(s12*s123*s134) + (D*s23*s24)/(s12*s124*s134) + 
   (2*s14*s23*s24)/(s12^2*s124^2) + (2*s14*s23*s24)/(s12^2*s123*s124) + 
   (2*s23^2*s24)/(s12^2*s123*s124) - (4*s24)/s234^2 + (D*s24)/s234^2 + 
   (8*s24)/(s123*s234) - (D*s24)/(s123*s234) + (D*s24)/(s124*s234) - 
   (4*s13*s24)/(s12*s124*s234) - (6*s24)/(s134*s234) + (D*s24)/(s134*s234) - 
   (4*s14*s24)/(s12*s123*s234) + (D*s14*s24)/(s12*s123*s234) - 
   (4*s14*s24)/(s12*s124*s234) + (D*s14*s24)/(s12*s124*s234) + 
   (D*s23*s24)/(s12*s123*s234) - (4*s23*s24)/(s12*s124*s234) + 
   (D*s23*s24)/(s12*s124*s234) - (6*s24^2)/(s12*s124^2) + 
   (D*s24^2)/(s12*s124^2) - (6*s24^2)/(s12*s123*s124) + 
   (D*s24^2)/(s12*s123*s124) - (2*s13*s24^2)/(s12^2*s124^2) - 
   (2*s13*s24^2)/(s12^2*s123*s124) - (4*s24^2)/(s12*s123*s134) + 
   (D*s24^2)/(s12*s123*s134) + (D*s24^2)/(s12*s124*s134) - 
   (2*s23*s24^2)/(s12^2*s124^2) + (2*s23*s24^2)/(s12^2*s123*s124) - 
   (4*s24^2)/(s12*s123*s234) + (D*s24^2)/(s12*s123*s234) + 
   (4*s24^2)/(s12*s124*s234) + (D*s24^2)/(s12*s124*s234) - 
   (2*s24^3)/(s12^2*s124^2) + (2*s12*s23*s24)/(s234^2*s34^2) + 
   (2*s13*s23*s24)/(s234^2*s34^2) + (2*s14*s23*s24)/(s234^2*s34^2) + 
   (2*s23^2*s24)/(s234^2*s34^2) - (2*s12*s13*s24)/(s134*s234*s34^2) - 
   (2*s13^2*s24)/(s134*s234*s34^2) + (2*s12*s14*s24)/(s134*s234*s34^2) + 
   (2*s14^2*s24)/(s134*s234*s34^2) - (2*s13*s23*s24)/(s134*s234*s34^2) + 
   (2*s14*s23*s24)/(s134*s234*s34^2) - (2*s12*s24^2)/(s234^2*s34^2) - 
   (2*s13*s24^2)/(s234^2*s34^2) - (2*s14*s24^2)/(s234^2*s34^2) - 
   (2*s13*s24^2)/(s134*s234*s34^2) + (2*s14*s24^2)/(s134*s234*s34^2) - 
   (2*s24^3)/(s234^2*s34^2) + (4*s12*s14)/(s124*s134*s34) + 
   (4*s13*s14)/(s124*s134*s34) + (4*s14^2)/(s124*s134*s34) + 
   (D*s14*s23)/(s123*s134*s34) + (D*s14*s23)/(s124*s134*s34) + 
   (D*s13*s14*s23)/(s12*s123*s134*s34) - (4*s13*s14*s23)/
    (s12*s124*s134*s34) + (D*s13*s14*s23)/(s12*s124*s134*s34) + 
   (D*s14^2*s23)/(s12*s123*s134*s34) - (4*s14^2*s23)/(s12*s124*s134*s34) + 
   (D*s14^2*s23)/(s12*s124*s134*s34) + (D*s14*s23^2)/(s12*s123*s134*s34) - 
   (4*s14*s23^2)/(s12*s124*s134*s34) + (D*s14*s23^2)/(s12*s124*s134*s34) - 
   (2*s12*s23)/(s234^2*s34) + (D*s12*s23)/(s234^2*s34) - 
   (2*s13*s23)/(s234^2*s34) + (D*s13*s23)/(s234^2*s34) - 
   (2*s14*s23)/(s234^2*s34) + (D*s14*s23)/(s234^2*s34) - 
   (2*s23^2)/(s234^2*s34) + (D*s23^2)/(s234^2*s34) + 
   (2*s12^2)/(s134*s234*s34) + (2*s12*s13)/(s134*s234*s34) + 
   (2*s12*s14)/(s134*s234*s34) - (2*s12*s23)/(s134*s234*s34) + 
   (D*s12*s23)/(s134*s234*s34) - (4*s13*s23)/(s134*s234*s34) + 
   (D*s13*s23)/(s134*s234*s34) - (4*s14*s23)/(s123*s234*s34) + 
   (D*s14*s23)/(s123*s234*s34) + (D*s14*s23)/(s124*s234*s34) - 
   (4*s13*s14*s23)/(s12*s123*s234*s34) + (D*s13*s14*s23)/
    (s12*s123*s234*s34) + (D*s13*s14*s23)/(s12*s124*s234*s34) - 
   (4*s14*s23)/(s134*s234*s34) + (D*s14*s23)/(s134*s234*s34) - 
   (4*s14^2*s23)/(s12*s123*s234*s34) + (D*s14^2*s23)/(s12*s123*s234*s34) + 
   (D*s14^2*s23)/(s12*s124*s234*s34) - (4*s23^2)/(s134*s234*s34) + 
   (D*s23^2)/(s134*s234*s34) - (4*s14*s23^2)/(s12*s123*s234*s34) + 
   (D*s14*s23^2)/(s12*s123*s234*s34) + (D*s14*s23^2)/(s12*s124*s234*s34) + 
   (4*s13*s24)/(s123*s134*s34) + (4*s13^2*s24)/(s12*s123*s134*s34) - 
   (4*s14*s24)/(s123*s134*s34) + (D*s14*s24)/(s123*s134*s34) + 
   (D*s14*s24)/(s124*s134*s34) + (D*s13*s14*s24)/(s12*s123*s134*s34) - 
   (4*s13*s14*s24)/(s12*s124*s134*s34) + (D*s13*s14*s24)/
    (s12*s124*s134*s34) - (4*s14^2*s24)/(s12*s123*s134*s34) + 
   (D*s14^2*s24)/(s12*s123*s134*s34) - (4*s14^2*s24)/(s12*s124*s134*s34) + 
   (D*s14^2*s24)/(s12*s124*s134*s34) - (4*s23*s24)/(s123*s134*s34) + 
   (D*s23*s24)/(s123*s134*s34) - (4*s23*s24)/(s124*s134*s34) + 
   (D*s23*s24)/(s124*s134*s34) + (D*s13*s23*s24)/(s12*s123*s134*s34) - 
   (4*s13*s23*s24)/(s12*s124*s134*s34) + (D*s13*s23*s24)/
    (s12*s124*s134*s34) - (8*s14*s23*s24)/(s12*s123*s134*s34) + 
   (3*D*s14*s23*s24)/(s12*s123*s134*s34) - (12*s14*s23*s24)/
    (s12*s124*s134*s34) + (3*D*s14*s23*s24)/(s12*s124*s134*s34) - 
   (4*s23^2*s24)/(s12*s123*s134*s34) + (D*s23^2*s24)/(s12*s123*s134*s34) - 
   (4*s23^2*s24)/(s12*s124*s134*s34) + (D*s23^2*s24)/(s12*s124*s134*s34) - 
   (4*s12*s24)/(s234^2*s34) + (D*s12*s24)/(s234^2*s34) - 
   (4*s13*s24)/(s234^2*s34) + (D*s13*s24)/(s234^2*s34) - 
   (4*s14*s24)/(s234^2*s34) + (D*s14*s24)/(s234^2*s34) - 
   (4*s23*s24)/(s234^2*s34) + (2*D*s23*s24)/(s234^2*s34) + 
   (4*s12*s24)/(s123*s234*s34) + (4*s13*s24)/(s123*s234*s34) - 
   (4*s13*s24)/(s124*s234*s34) - (4*s13^2*s24)/(s12*s124*s234*s34) - 
   (4*s12*s24)/(s134*s234*s34) + (D*s12*s24)/(s134*s234*s34) - 
   (8*s13*s24)/(s134*s234*s34) + (D*s13*s24)/(s134*s234*s34) + 
   (D*s14*s24)/(s123*s234*s34) - (4*s14*s24)/(s124*s234*s34) + 
   (D*s14*s24)/(s124*s234*s34) - (4*s13*s14*s24)/(s12*s123*s234*s34) + 
   (D*s13*s14*s24)/(s12*s123*s234*s34) - (8*s13*s14*s24)/
    (s12*s124*s234*s34) + (D*s13*s14*s24)/(s12*s124*s234*s34) - 
   (4*s14*s24)/(s134*s234*s34) + (D*s14*s24)/(s134*s234*s34) - 
   (4*s14^2*s24)/(s12*s123*s234*s34) + (D*s14^2*s24)/(s12*s123*s234*s34) - 
   (4*s14^2*s24)/(s12*s124*s234*s34) + (D*s14^2*s24)/(s12*s124*s234*s34) + 
   (D*s23*s24)/(s123*s234*s34) - (4*s23*s24)/(s124*s234*s34) + 
   (D*s23*s24)/(s124*s234*s34) - (4*s13*s23*s24)/(s12*s123*s234*s34) + 
   (D*s13*s23*s24)/(s12*s123*s234*s34) - (8*s13*s23*s24)/
    (s12*s124*s234*s34) + (D*s13*s23*s24)/(s12*s124*s234*s34) - 
   (10*s23*s24)/(s134*s234*s34) + (2*D*s23*s24)/(s134*s234*s34) - 
   (12*s14*s23*s24)/(s12*s123*s234*s34) + (3*D*s14*s23*s24)/
    (s12*s123*s234*s34) - (8*s14*s23*s24)/(s12*s124*s234*s34) + 
   (3*D*s14*s23*s24)/(s12*s124*s234*s34) - 
   (4*s23^2*s24)/(s12*s123*s234*s34) + (D*s23^2*s24)/(s12*s123*s234*s34) - 
   (4*s23^2*s24)/(s12*s124*s234*s34) + (D*s23^2*s24)/(s12*s124*s234*s34) - 
   (4*s24^2)/(s123*s134*s34) + (D*s24^2)/(s123*s134*s34) - 
   (4*s24^2)/(s124*s134*s34) + (D*s24^2)/(s124*s134*s34) + 
   (D*s13*s24^2)/(s12*s123*s134*s34) - (4*s13*s24^2)/(s12*s124*s134*s34) + 
   (D*s13*s24^2)/(s12*s124*s134*s34) - (8*s14*s24^2)/(s12*s123*s134*s34) + 
   (2*D*s14*s24^2)/(s12*s123*s134*s34) - (8*s14*s24^2)/(s12*s124*s134*s34) + 
   (2*D*s14*s24^2)/(s12*s124*s134*s34) - (8*s23*s24^2)/(s12*s123*s134*s34) + 
   (2*D*s23*s24^2)/(s12*s123*s134*s34) - (8*s23*s24^2)/(s12*s124*s134*s34) + 
   (2*D*s23*s24^2)/(s12*s124*s134*s34) - (6*s24^2)/(s234^2*s34) + 
   (D*s24^2)/(s234^2*s34) + (D*s24^2)/(s123*s234*s34) + 
   (4*s24^2)/(s124*s234*s34) + (D*s24^2)/(s124*s234*s34) - 
   (4*s13*s24^2)/(s12*s123*s234*s34) + (D*s13*s24^2)/(s12*s123*s234*s34) + 
   (D*s13*s24^2)/(s12*s124*s234*s34) - (6*s24^2)/(s134*s234*s34) + 
   (D*s24^2)/(s134*s234*s34) - (8*s14*s24^2)/(s12*s123*s234*s34) + 
   (2*D*s14*s24^2)/(s12*s123*s234*s34) + (2*D*s14*s24^2)/
    (s12*s124*s234*s34) - (8*s23*s24^2)/(s12*s123*s234*s34) + 
   (2*D*s23*s24^2)/(s12*s123*s234*s34) + (2*D*s23*s24^2)/
    (s12*s124*s234*s34) - (4*s24^3)/(s12*s123*s134*s34) + 
   (D*s24^3)/(s12*s123*s134*s34) - (4*s24^3)/(s12*s124*s134*s34) + 
   (D*s24^3)/(s12*s124*s134*s34) - (4*s24^3)/(s12*s123*s234*s34) + 
   (D*s24^3)/(s12*s123*s234*s34) + (4*s24^3)/(s12*s124*s234*s34) + 
   (D*s24^3)/(s12*s124*s234*s34) + (2*s34)/(s123*s124) + 
   (2*s13*s34)/(s12*s123*s124) + (D*s34)/(s123*s134) + (4*s34)/(s124*s134) - 
   (D*s34)/(s124*s134) - (2*s14*s34)/(s12*s124^2) + 
   (D*s14*s34)/(s12*s124^2) - (2*s14*s34)/(s12*s123*s124) + 
   (D*s14*s34)/(s12*s123*s124) + (2*s23*s34)/(s12*s123*s124) + 
   (4*s34)/(s123*s234) - (D*s34)/(s123*s234) + (D*s34)/(s124*s234) + 
   (4*s23*s34)/(s12*s123*s234) - (4*s24*s34)/(s12*s124^2) + 
   (D*s24*s34)/(s12*s124^2) - (4*s24*s34)/(s12*s123*s124) + 
   (D*s24*s34)/(s12*s123*s124) - (2*s13*s24*s34)/(s12^2*s123*s124) + 
   (4*s24*s34)/(s12*s124*s134) + (2*s14*s24*s34)/(s12^2*s124^2) + 
   (2*s23*s24*s34)/(s12^2*s123*s124) - (2*s24^2*s34)/(s12^2*s124^2) + 
   (2*s34^2)/(s12*s123*s124) - (2*s24*z1)/(s124^2*z12) + 
   (2*s24*z1)/(s123*s124*z12) - (2*s13*s24*z1)/(s12*s124^2*z12) + 
   (4*s13*s24*z1)/(s12*s123*s124*z12) + (2*s13^2*s24*z1)/
    (s12^2*s123*s124*z12) - (4*s14*s24*z1)/(s12*s124^2*z12) + 
   (2*s14*s24*z1)/(s12*s123*s124*z12) - (2*s13*s14*s24*z1)/
    (s12^2*s124^2*z12) + (2*s13*s14*s24*z1)/(s12^2*s123*s124*z12) - 
   (2*s14^2*s24*z1)/(s12^2*s124^2*z12) - (2*s23*s24*z1)/(s12*s124^2*z12) + 
   (4*s23*s24*z1)/(s12*s123*s124*z12) + (4*s13*s23*s24*z1)/
    (s12^2*s123*s124*z12) - (2*s14*s23*s24*z1)/(s12^2*s124^2*z12) + 
   (2*s14*s23*s24*z1)/(s12^2*s123*s124*z12) + 
   (2*s23^2*s24*z1)/(s12^2*s123*s124*z12) - (4*s24^2*z1)/(s12*s124^2*z12) + 
   (2*s24^2*z1)/(s12*s123*s124*z12) - (2*s13*s24^2*z1)/(s12^2*s124^2*z12) + 
   (2*s13*s24^2*z1)/(s12^2*s123*s124*z12) - (4*s14*s24^2*z1)/
    (s12^2*s124^2*z12) - (2*s23*s24^2*z1)/(s12^2*s124^2*z12) + 
   (2*s23*s24^2*z1)/(s12^2*s123*s124*z12) - (2*s24^3*z1)/(s12^2*s124^2*z12) - 
   (2*s24*s34*z1)/(s12*s124^2*z12) + (2*s24*s34*z1)/(s12*s123*s124*z12) + 
   (2*s13*s24*s34*z1)/(s12^2*s123*s124*z12) - (2*s14*s24*s34*z1)/
    (s12^2*s124^2*z12) + (2*s23*s24*s34*z1)/(s12^2*s123*s124*z12) - 
   (2*s24^2*s34*z1)/(s12^2*s124^2*z12) + (2*s12*z2)/(s123*s134*z12) - 
   (2*s12*z2)/(s124*s134*z12) + (4*s13*z2)/(s123*s134*z12) - 
   (2*s13*z2)/(s124*s134*z12) + (2*s13^2*z2)/(s12*s123*s134*z12) - 
   (2*s14*z2)/(s123*s134*z12) - (2*s13*s14*z2)/(s12*s123*s134*z12) - 
   (2*s13*s14*z2)/(s12*s124*s134*z12) + (2*s14^2*z2)/(s12*s124*s134*z12) + 
   (4*s23*z2)/(s123*s134*z12) - (2*s23*z2)/(s124*s134*z12) + 
   (4*s13*s23*z2)/(s12*s123*s134*z12) - (2*s14*s23*z2)/(s12*s123*s134*z12) - 
   (2*s14*s23*z2)/(s12*s124*s134*z12) + (2*s23^2*z2)/(s12*s123*s134*z12) - 
   (2*s12*z2)/(s123*s234*z12) + (2*s12*z2)/(s124*s234*z12) - 
   (4*s13*z2)/(s123*s234*z12) + (2*s13*z2)/(s124*s234*z12) - 
   (2*s13^2*z2)/(s12*s123*s234*z12) - (2*s14*z2)/(s123*s234*z12) + 
   (4*s14*z2)/(s124*s234*z12) - (2*s13*s14*z2)/(s12*s123*s234*z12) + 
   (2*s13*s14*z2)/(s12*s124*s234*z12) + (2*s14^2*z2)/(s12*s124*s234*z12) - 
   (4*s23*z2)/(s123*s234*z12) + (2*s23*z2)/(s124*s234*z12) - 
   (4*s13*s23*z2)/(s12*s123*s234*z12) - (2*s14*s23*z2)/(s12*s123*s234*z12) + 
   (2*s14*s23*z2)/(s12*s124*s234*z12) - (2*s23^2*z2)/(s12*s123*s234*z12) + 
   (2*s24*z2)/(s124^2*z12) - (2*s24*z2)/(s123*s124*z12) + 
   (2*s13*s24*z2)/(s12*s124^2*z12) - (4*s13*s24*z2)/(s12*s123*s124*z12) - 
   (2*s13^2*s24*z2)/(s12^2*s123*s124*z12) + (2*s24*z2)/(s123*s134*z12) - 
   (4*s24*z2)/(s124*s134*z12) + (2*s13*s24*z2)/(s12*s123*s134*z12) - 
   (2*s13*s24*z2)/(s12*s124*s134*z12) + (4*s14*s24*z2)/(s12*s124^2*z12) - 
   (2*s14*s24*z2)/(s12*s123*s124*z12) + (2*s13*s14*s24*z2)/
    (s12^2*s124^2*z12) - (2*s13*s14*s24*z2)/(s12^2*s123*s124*z12) + 
   (2*s14^2*s24*z2)/(s12^2*s124^2*z12) + (2*s23*s24*z2)/(s12*s124^2*z12) - 
   (4*s23*s24*z2)/(s12*s123*s124*z12) - (4*s13*s23*s24*z2)/
    (s12^2*s123*s124*z12) + (2*s23*s24*z2)/(s12*s123*s134*z12) - 
   (2*s23*s24*z2)/(s12*s124*s134*z12) + (2*s14*s23*s24*z2)/
    (s12^2*s124^2*z12) - (2*s14*s23*s24*z2)/(s12^2*s123*s124*z12) - 
   (2*s23^2*s24*z2)/(s12^2*s123*s124*z12) + (2*s24*z2)/(s123*s234*z12) + 
   (2*s13*s24*z2)/(s12*s123*s234*z12) + (2*s13*s24*z2)/(s12*s124*s234*z12) + 
   (2*s23*s24*z2)/(s12*s123*s234*z12) + (2*s23*s24*z2)/(s12*s124*s234*z12) + 
   (4*s24^2*z2)/(s12*s124^2*z12) - (2*s24^2*z2)/(s12*s123*s124*z12) + 
   (2*s13*s24^2*z2)/(s12^2*s124^2*z12) - (2*s13*s24^2*z2)/
    (s12^2*s123*s124*z12) - (2*s24^2*z2)/(s12*s124*s134*z12) + 
   (4*s14*s24^2*z2)/(s12^2*s124^2*z12) + (2*s23*s24^2*z2)/
    (s12^2*s124^2*z12) - (2*s23*s24^2*z2)/(s12^2*s123*s124*z12) - 
   (2*s24^2*z2)/(s12*s124*s234*z12) + (2*s24^3*z2)/(s12^2*s124^2*z12) - 
   (4*s12*s14*z2)/(s123*s134*s34*z12) + (4*s12*s14*z2)/(s124*s134*s34*z12) - 
   (8*s13*s14*z2)/(s123*s134*s34*z12) + (4*s13*s14*z2)/(s124*s134*s34*z12) - 
   (4*s13^2*s14*z2)/(s12*s123*s134*s34*z12) - 
   (4*s14^2*z2)/(s123*s134*s34*z12) + (8*s14^2*z2)/(s124*s134*s34*z12) - 
   (4*s13*s14^2*z2)/(s12*s123*s134*s34*z12) + 
   (4*s13*s14^2*z2)/(s12*s124*s134*s34*z12) + 
   (4*s14^3*z2)/(s12*s124*s134*s34*z12) - (8*s14*s23*z2)/
    (s123*s134*s34*z12) + (4*s14*s23*z2)/(s124*s134*s34*z12) - 
   (8*s13*s14*s23*z2)/(s12*s123*s134*s34*z12) - 
   (4*s14^2*s23*z2)/(s12*s123*s134*s34*z12) + 
   (4*s14^2*s23*z2)/(s12*s124*s134*s34*z12) - 
   (4*s14*s23^2*z2)/(s12*s123*s134*s34*z12) - 
   (4*s14*s24*z2)/(s123*s134*s34*z12) + (8*s14*s24*z2)/(s124*s134*s34*z12) - 
   (4*s13*s14*s24*z2)/(s12*s123*s134*s34*z12) + 
   (4*s13*s14*s24*z2)/(s12*s124*s134*s34*z12) + 
   (8*s14^2*s24*z2)/(s12*s124*s134*s34*z12) - (4*s14*s23*s24*z2)/
    (s12*s123*s134*s34*z12) + (4*s14*s23*s24*z2)/(s12*s124*s134*s34*z12) + 
   (4*s12*s24*z2)/(s123*s234*s34*z12) - (4*s12*s24*z2)/(s124*s234*s34*z12) + 
   (8*s13*s24*z2)/(s123*s234*s34*z12) - (4*s13*s24*z2)/(s124*s234*s34*z12) + 
   (4*s13^2*s24*z2)/(s12*s123*s234*s34*z12) + 
   (4*s14*s24*z2)/(s123*s234*s34*z12) - (8*s14*s24*z2)/(s124*s234*s34*z12) + 
   (4*s13*s14*s24*z2)/(s12*s123*s234*s34*z12) - 
   (4*s13*s14*s24*z2)/(s12*s124*s234*s34*z12) - 
   (4*s14^2*s24*z2)/(s12*s124*s234*s34*z12) + 
   (8*s23*s24*z2)/(s123*s234*s34*z12) - (4*s23*s24*z2)/(s124*s234*s34*z12) + 
   (8*s13*s23*s24*z2)/(s12*s123*s234*s34*z12) + 
   (4*s14*s23*s24*z2)/(s12*s123*s234*s34*z12) - 
   (4*s14*s23*s24*z2)/(s12*s124*s234*s34*z12) + 
   (4*s23^2*s24*z2)/(s12*s123*s234*s34*z12) + 
   (4*s14*s24^2*z2)/(s12*s124*s134*s34*z12) + 
   (4*s24^2*z2)/(s123*s234*s34*z12) - (8*s24^2*z2)/(s124*s234*s34*z12) + 
   (4*s13*s24^2*z2)/(s12*s123*s234*s34*z12) - 
   (4*s13*s24^2*z2)/(s12*s124*s234*s34*z12) - 
   (8*s14*s24^2*z2)/(s12*s124*s234*s34*z12) + 
   (4*s23*s24^2*z2)/(s12*s123*s234*s34*z12) - 
   (4*s23*s24^2*z2)/(s12*s124*s234*s34*z12) - 
   (4*s24^3*z2)/(s12*s124*s234*s34*z12) + (2*s34*z2)/(s123*s134*z12) - 
   (2*s34*z2)/(s124*s134*z12) + (2*s13*s34*z2)/(s12*s123*s134*z12) - 
   (2*s14*s34*z2)/(s12*s124*s134*z12) + (2*s23*s34*z2)/(s12*s123*s134*z12) - 
   (2*s34*z2)/(s123*s234*z12) + (2*s34*z2)/(s124*s234*z12) - 
   (2*s13*s34*z2)/(s12*s123*s234*z12) + (2*s14*s34*z2)/(s12*s124*s234*z12) - 
   (2*s23*s34*z2)/(s12*s123*s234*z12) + (2*s24*s34*z2)/(s12*s124^2*z12) - 
   (2*s24*s34*z2)/(s12*s123*s124*z12) - (2*s13*s24*s34*z2)/
    (s12^2*s123*s124*z12) - (2*s24*s34*z2)/(s12*s124*s134*z12) + 
   (2*s14*s24*s34*z2)/(s12^2*s124^2*z12) - (2*s23*s24*s34*z2)/
    (s12^2*s123*s124*z12) + (2*s24*s34*z2)/(s12*s124*s234*z12) + 
   (2*s24^2*s34*z2)/(s12^2*s124^2*z12) + (2*s24*z3)/(s123*s134*z12) - 
   (2*s24*z3)/(s124*s134*z12) + (2*s13*s24*z3)/(s12*s123*s134*z12) - 
   (2*s14*s24*z3)/(s12*s124*s134*z12) + (2*s23*s24*z3)/(s12*s123*s134*z12) + 
   (2*s24*z3)/(s123*s234*z12) - (2*s24*z3)/(s124*s234*z12) + 
   (2*s13*s24*z3)/(s12*s123*s234*z12) - (2*s14*s24*z3)/(s12*s124*s234*z12) + 
   (2*s23*s24*z3)/(s12*s123*s234*z12) - (2*s24^2*z3)/(s12*s124*s134*z12) - 
   (2*s24^2*z3)/(s12*s124*s234*z12) + (2*s12*s24*z3)/(s123*s134*s34*z12) - 
   (2*s12*s24*z3)/(s124*s134*s34*z12) + (4*s13*s24*z3)/(s123*s134*s34*z12) - 
   (2*s13*s24*z3)/(s124*s134*s34*z12) + (2*s13^2*s24*z3)/
    (s12*s123*s134*s34*z12) + (2*s14*s24*z3)/(s123*s134*s34*z12) - 
   (4*s14*s24*z3)/(s124*s134*s34*z12) + (2*s13*s14*s24*z3)/
    (s12*s123*s134*s34*z12) - (2*s13*s14*s24*z3)/(s12*s124*s134*s34*z12) - 
   (2*s14^2*s24*z3)/(s12*s124*s134*s34*z12) + 
   (4*s23*s24*z3)/(s123*s134*s34*z12) - (2*s23*s24*z3)/(s124*s134*s34*z12) + 
   (4*s13*s23*s24*z3)/(s12*s123*s134*s34*z12) + 
   (2*s14*s23*s24*z3)/(s12*s123*s134*s34*z12) - 
   (2*s14*s23*s24*z3)/(s12*s124*s134*s34*z12) + 
   (2*s23^2*s24*z3)/(s12*s123*s134*s34*z12) + 
   (2*s12*s24*z3)/(s123*s234*s34*z12) - (2*s12*s24*z3)/(s124*s234*s34*z12) + 
   (4*s13*s24*z3)/(s123*s234*s34*z12) - (2*s13*s24*z3)/(s124*s234*s34*z12) + 
   (2*s13^2*s24*z3)/(s12*s123*s234*s34*z12) + 
   (2*s14*s24*z3)/(s123*s234*s34*z12) - (4*s14*s24*z3)/(s124*s234*s34*z12) + 
   (2*s13*s14*s24*z3)/(s12*s123*s234*s34*z12) - 
   (2*s13*s14*s24*z3)/(s12*s124*s234*s34*z12) - 
   (2*s14^2*s24*z3)/(s12*s124*s234*s34*z12) + 
   (4*s23*s24*z3)/(s123*s234*s34*z12) - (2*s23*s24*z3)/(s124*s234*s34*z12) + 
   (4*s13*s23*s24*z3)/(s12*s123*s234*s34*z12) + 
   (2*s14*s23*s24*z3)/(s12*s123*s234*s34*z12) - 
   (2*s14*s23*s24*z3)/(s12*s124*s234*s34*z12) + 
   (2*s23^2*s24*z3)/(s12*s123*s234*s34*z12) + 
   (2*s24^2*z3)/(s123*s134*s34*z12) - (4*s24^2*z3)/(s124*s134*s34*z12) + 
   (2*s13*s24^2*z3)/(s12*s123*s134*s34*z12) - 
   (2*s13*s24^2*z3)/(s12*s124*s134*s34*z12) - 
   (4*s14*s24^2*z3)/(s12*s124*s134*s34*z12) + 
   (2*s23*s24^2*z3)/(s12*s123*s134*s34*z12) - 
   (2*s23*s24^2*z3)/(s12*s124*s134*s34*z12) + 
   (2*s24^2*z3)/(s123*s234*s34*z12) - (4*s24^2*z3)/(s124*s234*s34*z12) + 
   (2*s13*s24^2*z3)/(s12*s123*s234*s34*z12) - 
   (2*s13*s24^2*z3)/(s12*s124*s234*s34*z12) - 
   (4*s14*s24^2*z3)/(s12*s124*s234*s34*z12) + 
   (2*s23*s24^2*z3)/(s12*s123*s234*s34*z12) - 
   (2*s23*s24^2*z3)/(s12*s124*s234*s34*z12) - 
   (2*s24^3*z3)/(s12*s124*s134*s34*z12) - 
   (2*s24^3*z3)/(s12*s124*s234*s34*z12) + (2*s24*z1)/(s123*s134*z34) + 
   (2*s24*z1)/(s124*s134*z34) + (4*s13*s24*z1)/(s12*s123*s134*z34) + 
   (4*s13*s24*z1)/(s12*s124*s134*z34) + (4*s14*s24*z1)/(s12*s123*s134*z34) + 
   (4*s14*s24*z1)/(s12*s124*s134*z34) + (2*s23*s24*z1)/(s12*s123*s134*z34) + 
   (2*s23*s24*z1)/(s12*s124*s134*z34) - (2*s24*z1)/(s123*s234*z34) - 
   (2*s24*z1)/(s124*s234*z34) - (2*s13*s24*z1)/(s12*s123*s234*z34) - 
   (2*s13*s24*z1)/(s12*s124*s234*z34) - (2*s14*s24*z1)/(s12*s123*s234*z34) - 
   (2*s14*s24*z1)/(s12*s124*s234*z34) - (4*s23*s24*z1)/(s12*s123*s234*z34) - 
   (4*s23*s24*z1)/(s12*s124*s234*z34) + (2*s24^2*z1)/(s12*s123*s134*z34) + 
   (2*s24^2*z1)/(s12*s124*s134*z34) - (4*s24^2*z1)/(s12*s123*s234*z34) - 
   (4*s24^2*z1)/(s12*s124*s234*z34) + (2*s13*s24*z1)/(s123*s134*s34*z34) + 
   (2*s13*s24*z1)/(s124*s134*s34*z34) + (2*s13^2*s24*z1)/
    (s12*s123*s134*s34*z34) + (2*s13^2*s24*z1)/(s12*s124*s134*s34*z34) + 
   (2*s14*s24*z1)/(s123*s134*s34*z34) + (2*s14*s24*z1)/(s124*s134*s34*z34) + 
   (4*s13*s14*s24*z1)/(s12*s123*s134*s34*z34) + 
   (4*s13*s14*s24*z1)/(s12*s124*s134*s34*z34) + 
   (2*s14^2*s24*z1)/(s12*s123*s134*s34*z34) + 
   (2*s14^2*s24*z1)/(s12*s124*s134*s34*z34) + (2*s13*s23*s24*z1)/
    (s12*s123*s134*s34*z34) + (2*s13*s23*s24*z1)/(s12*s124*s134*s34*z34) + 
   (2*s14*s23*s24*z1)/(s12*s123*s134*s34*z34) + 
   (2*s14*s23*s24*z1)/(s12*s124*s134*s34*z34) - 
   (2*s23*s24*z1)/(s123*s234*s34*z34) - (2*s23*s24*z1)/(s124*s234*s34*z34) - 
   (2*s13*s23*s24*z1)/(s12*s123*s234*s34*z34) - 
   (2*s13*s23*s24*z1)/(s12*s124*s234*s34*z34) - 
   (2*s14*s23*s24*z1)/(s12*s123*s234*s34*z34) - 
   (2*s14*s23*s24*z1)/(s12*s124*s234*s34*z34) - 
   (2*s23^2*s24*z1)/(s12*s123*s234*s34*z34) - 
   (2*s23^2*s24*z1)/(s12*s124*s234*s34*z34) + 
   (2*s13*s24^2*z1)/(s12*s123*s134*s34*z34) + 
   (2*s13*s24^2*z1)/(s12*s124*s134*s34*z34) + 
   (2*s14*s24^2*z1)/(s12*s123*s134*s34*z34) + 
   (2*s14*s24^2*z1)/(s12*s124*s134*s34*z34) - 
   (2*s24^2*z1)/(s123*s234*s34*z34) - (2*s24^2*z1)/(s124*s234*s34*z34) - 
   (2*s13*s24^2*z1)/(s12*s123*s234*s34*z34) - 
   (2*s13*s24^2*z1)/(s12*s124*s234*s34*z34) - 
   (2*s14*s24^2*z1)/(s12*s123*s234*s34*z34) - 
   (2*s14*s24^2*z1)/(s12*s124*s234*s34*z34) - 
   (4*s23*s24^2*z1)/(s12*s123*s234*s34*z34) - 
   (4*s23*s24^2*z1)/(s12*s124*s234*s34*z34) - 
   (2*s24^3*z1)/(s12*s123*s234*s34*z34) - 
   (2*s24^3*z1)/(s12*s124*s234*s34*z34) + (2*s24*s34*z1)/
    (s12*s123*s134*z34) + (2*s24*s34*z1)/(s12*s124*s134*z34) - 
   (2*s24*s34*z1)/(s12*s123*s234*z34) - (2*s24*s34*z1)/(s12*s124*s234*z34) - 
   (2*s14*z2)/(s123*s134*z34) - (2*s14*z2)/(s124*s134*z34) - 
   (4*s13*s14*z2)/(s12*s123*s134*z34) - (4*s13*s14*z2)/(s12*s124*s134*z34) - 
   (4*s14^2*z2)/(s12*s123*s134*z34) - (4*s14^2*z2)/(s12*s124*s134*z34) - 
   (2*s14*s23*z2)/(s12*s123*s134*z34) - (2*s14*s23*z2)/(s12*s124*s134*z34) + 
   (2*s12*z2)/(s234^2*z34) + (2*s13*z2)/(s234^2*z34) + 
   (2*s14*z2)/(s234^2*z34) + (4*s23*z2)/(s234^2*z34) - 
   (2*s12*z2)/(s134*s234*z34) - (4*s13*z2)/(s134*s234*z34) + 
   (2*s14*z2)/(s123*s234*z34) + (2*s14*z2)/(s124*s234*z34) + 
   (2*s13*s14*z2)/(s12*s123*s234*z34) + (2*s13*s14*z2)/(s12*s124*s234*z34) - 
   (4*s14*z2)/(s134*s234*z34) + (2*s14^2*z2)/(s12*s123*s234*z34) + 
   (2*s14^2*z2)/(s12*s124*s234*z34) - (2*s23*z2)/(s134*s234*z34) + 
   (4*s14*s23*z2)/(s12*s123*s234*z34) + (4*s14*s23*z2)/(s12*s124*s234*z34) - 
   (2*s14*s24*z2)/(s12*s123*s134*z34) - (2*s14*s24*z2)/(s12*s124*s134*z34) + 
   (4*s24*z2)/(s234^2*z34) - (2*s24*z2)/(s134*s234*z34) + 
   (4*s14*s24*z2)/(s12*s123*s234*z34) + (4*s14*s24*z2)/(s12*s124*s234*z34) - 
   (2*s13*s14*z2)/(s123*s134*s34*z34) - (2*s13*s14*z2)/(s124*s134*s34*z34) - 
   (2*s13^2*s14*z2)/(s12*s123*s134*s34*z34) - 
   (2*s13^2*s14*z2)/(s12*s124*s134*s34*z34) - 
   (2*s14^2*z2)/(s123*s134*s34*z34) - (2*s14^2*z2)/(s124*s134*s34*z34) - 
   (4*s13*s14^2*z2)/(s12*s123*s134*s34*z34) - 
   (4*s13*s14^2*z2)/(s12*s124*s134*s34*z34) - 
   (2*s14^3*z2)/(s12*s123*s134*s34*z34) - 
   (2*s14^3*z2)/(s12*s124*s134*s34*z34) - (2*s13*s14*s23*z2)/
    (s12*s123*s134*s34*z34) - (2*s13*s14*s23*z2)/(s12*s124*s134*s34*z34) - 
   (2*s14^2*s23*z2)/(s12*s123*s134*s34*z34) - 
   (2*s14^2*s23*z2)/(s12*s124*s134*s34*z34) + 
   (2*s12*s23*z2)/(s234^2*s34*z34) + (2*s13*s23*z2)/(s234^2*s34*z34) + 
   (2*s14*s23*z2)/(s234^2*s34*z34) + (2*s23^2*z2)/(s234^2*s34*z34) - 
   (2*s12*s13*z2)/(s134*s234*s34*z34) - (2*s13^2*z2)/(s134*s234*s34*z34) - 
   (2*s12*s14*z2)/(s134*s234*s34*z34) - (4*s13*s14*z2)/(s134*s234*s34*z34) - 
   (2*s14^2*z2)/(s134*s234*s34*z34) - (2*s13*s23*z2)/(s134*s234*s34*z34) + 
   (2*s14*s23*z2)/(s123*s234*s34*z34) + (2*s14*s23*z2)/(s124*s234*s34*z34) + 
   (2*s13*s14*s23*z2)/(s12*s123*s234*s34*z34) + 
   (2*s13*s14*s23*z2)/(s12*s124*s234*s34*z34) - 
   (2*s14*s23*z2)/(s134*s234*s34*z34) + (2*s14^2*s23*z2)/
    (s12*s123*s234*s34*z34) + (2*s14^2*s23*z2)/(s12*s124*s234*s34*z34) + 
   (2*s14*s23^2*z2)/(s12*s123*s234*s34*z34) + 
   (2*s14*s23^2*z2)/(s12*s124*s234*s34*z34) - (2*s13*s14*s24*z2)/
    (s12*s123*s134*s34*z34) - (2*s13*s14*s24*z2)/(s12*s124*s134*s34*z34) - 
   (2*s14^2*s24*z2)/(s12*s123*s134*s34*z34) - 
   (2*s14^2*s24*z2)/(s12*s124*s134*s34*z34) + 
   (2*s12*s24*z2)/(s234^2*s34*z34) + (2*s13*s24*z2)/(s234^2*s34*z34) + 
   (2*s14*s24*z2)/(s234^2*s34*z34) + (4*s23*s24*z2)/(s234^2*s34*z34) - 
   (2*s13*s24*z2)/(s134*s234*s34*z34) + (2*s14*s24*z2)/(s123*s234*s34*z34) + 
   (2*s14*s24*z2)/(s124*s234*s34*z34) + (2*s13*s14*s24*z2)/
    (s12*s123*s234*s34*z34) + (2*s13*s14*s24*z2)/(s12*s124*s234*s34*z34) - 
   (2*s14*s24*z2)/(s134*s234*s34*z34) + (2*s14^2*s24*z2)/
    (s12*s123*s234*s34*z34) + (2*s14^2*s24*z2)/(s12*s124*s234*s34*z34) + 
   (4*s14*s23*s24*z2)/(s12*s123*s234*s34*z34) + 
   (4*s14*s23*s24*z2)/(s12*s124*s234*s34*z34) + 
   (2*s24^2*z2)/(s234^2*s34*z34) + (2*s14*s24^2*z2)/(s12*s123*s234*s34*z34) + 
   (2*s14*s24^2*z2)/(s12*s124*s234*s34*z34) - 
   (2*s14*s34*z2)/(s12*s123*s134*z34) - (2*s14*s34*z2)/(s12*s124*s134*z34) + 
   (2*s34*z2)/(s234^2*z34) - (2*s34*z2)/(s134*s234*z34) + 
   (2*s14*s34*z2)/(s12*s123*s234*z34) + (2*s14*s34*z2)/(s12*s124*s234*z34) - 
   (2*s24*z3)/(s234^2*z34) + (2*s24*z3)/(s134*s234*z34) - 
   (2*s12*s23*s24*z3)/(s234^2*s34^2*z34) - (2*s13*s23*s24*z3)/
    (s234^2*s34^2*z34) - (2*s14*s23*s24*z3)/(s234^2*s34^2*z34) - 
   (2*s23^2*s24*z3)/(s234^2*s34^2*z34) + (2*s12*s13*s24*z3)/
    (s134*s234*s34^2*z34) + (2*s13^2*s24*z3)/(s134*s234*s34^2*z34) + 
   (2*s12*s14*s24*z3)/(s134*s234*s34^2*z34) + (4*s13*s14*s24*z3)/
    (s134*s234*s34^2*z34) + (2*s14^2*s24*z3)/(s134*s234*s34^2*z34) + 
   (2*s13*s23*s24*z3)/(s134*s234*s34^2*z34) + (2*s14*s23*s24*z3)/
    (s134*s234*s34^2*z34) - (2*s12*s24^2*z3)/(s234^2*s34^2*z34) - 
   (2*s13*s24^2*z3)/(s234^2*s34^2*z34) - (2*s14*s24^2*z3)/
    (s234^2*s34^2*z34) - (4*s23*s24^2*z3)/(s234^2*s34^2*z34) + 
   (2*s13*s24^2*z3)/(s134*s234*s34^2*z34) + (2*s14*s24^2*z3)/
    (s134*s234*s34^2*z34) - (2*s24^3*z3)/(s234^2*s34^2*z34) - 
   (2*s12*s24*z3)/(s234^2*s34*z34) - (2*s13*s24*z3)/(s234^2*s34*z34) - 
   (2*s14*s24*z3)/(s234^2*s34*z34) - (4*s23*s24*z3)/(s234^2*s34*z34) + 
   (2*s12*s24*z3)/(s134*s234*s34*z34) + (4*s13*s24*z3)/(s134*s234*s34*z34) + 
   (4*s14*s24*z3)/(s134*s234*s34*z34) + (2*s23*s24*z3)/(s134*s234*s34*z34) - 
   (4*s24^2*z3)/(s234^2*s34*z34) + (2*s24^2*z3)/(s134*s234*s34*z34) + 
   (2*s12*z4)/(s124^2*z12) - (2*s12*z4)/(s123*s124*z12) + 
   (2*s13*z4)/(s124^2*z12) - (4*s13*z4)/(s123*s124*z12) - 
   (2*s13^2*z4)/(s12*s123*s124*z12) + (4*s14*z4)/(s124^2*z12) - 
   (2*s14*z4)/(s123*s124*z12) + (2*s13*s14*z4)/(s12*s124^2*z12) - 
   (2*s13*s14*z4)/(s12*s123*s124*z12) + (2*s14^2*z4)/(s12*s124^2*z12) + 
   (2*s23*z4)/(s124^2*z12) - (4*s23*z4)/(s123*s124*z12) - 
   (4*s13*s23*z4)/(s12*s123*s124*z12) - (2*s23*z4)/(s123*s134*z12) + 
   (2*s23*z4)/(s124*s134*z12) - (2*s13*s23*z4)/(s12*s123*s134*z12) + 
   (2*s14*s23*z4)/(s12*s124^2*z12) - (2*s14*s23*z4)/(s12*s123*s124*z12) + 
   (2*s14*s23*z4)/(s12*s124*s134*z12) - (2*s23^2*z4)/(s12*s123*s124*z12) - 
   (2*s23^2*z4)/(s12*s123*s134*z12) - (2*s23*z4)/(s123*s234*z12) + 
   (2*s23*z4)/(s124*s234*z12) - (2*s13*s23*z4)/(s12*s123*s234*z12) + 
   (2*s14*s23*z4)/(s12*s124*s234*z12) - (2*s23^2*z4)/(s12*s123*s234*z12) + 
   (4*s24*z4)/(s124^2*z12) - (2*s24*z4)/(s123*s124*z12) + 
   (2*s13*s24*z4)/(s12*s124^2*z12) - (2*s13*s24*z4)/(s12*s123*s124*z12) + 
   (4*s14*s24*z4)/(s12*s124^2*z12) + (2*s23*s24*z4)/(s12*s124^2*z12) - 
   (2*s23*s24*z4)/(s12*s123*s124*z12) + (2*s23*s24*z4)/(s12*s124*s134*z12) + 
   (2*s23*s24*z4)/(s12*s124*s234*z12) + (2*s24^2*z4)/(s12*s124^2*z12) - 
   (2*s12*s23*z4)/(s123*s134*s34*z12) + (2*s12*s23*z4)/(s124*s134*s34*z12) - 
   (4*s13*s23*z4)/(s123*s134*s34*z12) + (2*s13*s23*z4)/(s124*s134*s34*z12) - 
   (2*s13^2*s23*z4)/(s12*s123*s134*s34*z12) - 
   (2*s14*s23*z4)/(s123*s134*s34*z12) + (4*s14*s23*z4)/(s124*s134*s34*z12) - 
   (2*s13*s14*s23*z4)/(s12*s123*s134*s34*z12) + 
   (2*s13*s14*s23*z4)/(s12*s124*s134*s34*z12) + 
   (2*s14^2*s23*z4)/(s12*s124*s134*s34*z12) - 
   (4*s23^2*z4)/(s123*s134*s34*z12) + (2*s23^2*z4)/(s124*s134*s34*z12) - 
   (4*s13*s23^2*z4)/(s12*s123*s134*s34*z12) - 
   (2*s14*s23^2*z4)/(s12*s123*s134*s34*z12) + 
   (2*s14*s23^2*z4)/(s12*s124*s134*s34*z12) - 
   (2*s23^3*z4)/(s12*s123*s134*s34*z12) - (2*s12*s23*z4)/
    (s123*s234*s34*z12) + (2*s12*s23*z4)/(s124*s234*s34*z12) - 
   (4*s13*s23*z4)/(s123*s234*s34*z12) + (2*s13*s23*z4)/(s124*s234*s34*z12) - 
   (2*s13^2*s23*z4)/(s12*s123*s234*s34*z12) - 
   (2*s14*s23*z4)/(s123*s234*s34*z12) + (4*s14*s23*z4)/(s124*s234*s34*z12) - 
   (2*s13*s14*s23*z4)/(s12*s123*s234*s34*z12) + 
   (2*s13*s14*s23*z4)/(s12*s124*s234*s34*z12) + 
   (2*s14^2*s23*z4)/(s12*s124*s234*s34*z12) - 
   (4*s23^2*z4)/(s123*s234*s34*z12) + (2*s23^2*z4)/(s124*s234*s34*z12) - 
   (4*s13*s23^2*z4)/(s12*s123*s234*s34*z12) - 
   (2*s14*s23^2*z4)/(s12*s123*s234*s34*z12) + 
   (2*s14*s23^2*z4)/(s12*s124*s234*s34*z12) - 
   (2*s23^3*z4)/(s12*s123*s234*s34*z12) - (2*s23*s24*z4)/
    (s123*s134*s34*z12) + (4*s23*s24*z4)/(s124*s134*s34*z12) - 
   (2*s13*s23*s24*z4)/(s12*s123*s134*s34*z12) + 
   (2*s13*s23*s24*z4)/(s12*s124*s134*s34*z12) + 
   (4*s14*s23*s24*z4)/(s12*s124*s134*s34*z12) - 
   (2*s23^2*s24*z4)/(s12*s123*s134*s34*z12) + 
   (2*s23^2*s24*z4)/(s12*s124*s134*s34*z12) - 
   (2*s23*s24*z4)/(s123*s234*s34*z12) + (4*s23*s24*z4)/(s124*s234*s34*z12) - 
   (2*s13*s23*s24*z4)/(s12*s123*s234*s34*z12) + 
   (2*s13*s23*s24*z4)/(s12*s124*s234*s34*z12) + 
   (4*s14*s23*s24*z4)/(s12*s124*s234*s34*z12) - 
   (2*s23^2*s24*z4)/(s12*s123*s234*s34*z12) + 
   (2*s23^2*s24*z4)/(s12*s124*s234*s34*z12) + 
   (2*s23*s24^2*z4)/(s12*s124*s134*s34*z12) + 
   (2*s23*s24^2*z4)/(s12*s124*s234*s34*z12) + (2*s34*z4)/(s124^2*z12) - 
   (2*s34*z4)/(s123*s124*z12) - (2*s13*s34*z4)/(s12*s123*s124*z12) + 
   (2*s14*s34*z4)/(s12*s124^2*z12) - (2*s23*s34*z4)/(s12*s123*s124*z12) + 
   (2*s24*s34*z4)/(s12*s124^2*z12) + (2*s12*z4)/(s123*s134*z34) - 
   (2*s12*z4)/(s124*s134*z34) + (4*s13*z4)/(s123*s134*z34) - 
   (4*s13*z4)/(s124*s134*z34) + (4*s14*z4)/(s123*s134*z34) - 
   (4*s14*z4)/(s124*s134*z34) - (2*s23*z4)/(s123*s134*z34) - 
   (2*s23*z4)/(s124*s134*z34) - (8*s13*s23*z4)/(s12*s123*s134*z34) - 
   (8*s14*s23*z4)/(s12*s123*s134*z34) - (4*s23^2*z4)/(s12*s123*s134*z34) - 
   (2*s12*z4)/(s123*s234*z34) + (2*s12*z4)/(s124*s234*z34) - 
   (2*s13*z4)/(s123*s234*z34) + (2*s13*z4)/(s124*s234*z34) - 
   (2*s14*z4)/(s123*s234*z34) + (2*s14*z4)/(s124*s234*z34) + 
   (4*s23*z4)/(s124*s234*z34) + (4*s13*s23*z4)/(s12*s123*s234*z34) + 
   (4*s14*s23*z4)/(s12*s123*s234*z34) + (8*s23^2*z4)/(s12*s123*s234*z34) + 
   (2*s24*z4)/(s123*s134*z34) + (2*s24*z4)/(s124*s134*z34) + 
   (8*s13*s24*z4)/(s12*s124*s134*z34) + (8*s14*s24*z4)/(s12*s124*s134*z34) - 
   (4*s23*s24*z4)/(s12*s123*s134*z34) + (4*s23*s24*z4)/(s12*s124*s134*z34) + 
   (2*s24*z4)/(s234^2*z34) - (4*s24*z4)/(s123*s234*z34) - 
   (4*s13*s24*z4)/(s12*s124*s234*z34) - (2*s24*z4)/(s134*s234*z34) - 
   (4*s14*s24*z4)/(s12*s124*s234*z34) + (8*s23*s24*z4)/(s12*s123*s234*z34) - 
   (8*s23*s24*z4)/(s12*s124*s234*z34) + (4*s24^2*z4)/(s12*s124*s134*z34) - 
   (8*s24^2*z4)/(s12*s124*s234*z34) + (2*s12*s23*s24*z4)/(s234^2*s34^2*z34) + 
   (2*s13*s23*s24*z4)/(s234^2*s34^2*z34) + (2*s14*s23*s24*z4)/
    (s234^2*s34^2*z34) + (2*s23^2*s24*z4)/(s234^2*s34^2*z34) - 
   (2*s12*s13*s24*z4)/(s134*s234*s34^2*z34) - 
   (2*s13^2*s24*z4)/(s134*s234*s34^2*z34) - (2*s12*s14*s24*z4)/
    (s134*s234*s34^2*z34) - (4*s13*s14*s24*z4)/(s134*s234*s34^2*z34) - 
   (2*s14^2*s24*z4)/(s134*s234*s34^2*z34) - (2*s13*s23*s24*z4)/
    (s134*s234*s34^2*z34) - (2*s14*s23*s24*z4)/(s134*s234*s34^2*z34) + 
   (2*s12*s24^2*z4)/(s234^2*s34^2*z34) + (2*s13*s24^2*z4)/
    (s234^2*s34^2*z34) + (2*s14*s24^2*z4)/(s234^2*s34^2*z34) + 
   (4*s23*s24^2*z4)/(s234^2*s34^2*z34) - (2*s13*s24^2*z4)/
    (s134*s234*s34^2*z34) - (2*s14*s24^2*z4)/(s134*s234*s34^2*z34) + 
   (2*s24^3*z4)/(s234^2*s34^2*z34) + (2*s12*s13*z4)/(s123*s134*s34*z34) - 
   (2*s12*s13*z4)/(s124*s134*s34*z34) + (2*s13^2*z4)/(s123*s134*s34*z34) - 
   (2*s13^2*z4)/(s124*s134*s34*z34) + (2*s12*s14*z4)/(s123*s134*s34*z34) - 
   (2*s12*s14*z4)/(s124*s134*s34*z34) + (4*s13*s14*z4)/(s123*s134*s34*z34) - 
   (4*s13*s14*z4)/(s124*s134*s34*z34) + (2*s14^2*z4)/(s123*s134*s34*z34) - 
   (2*s14^2*z4)/(s124*s134*s34*z34) - (2*s13*s23*z4)/(s123*s134*s34*z34) - 
   (2*s13*s23*z4)/(s124*s134*s34*z34) - (4*s13^2*s23*z4)/
    (s12*s123*s134*s34*z34) - (2*s14*s23*z4)/(s123*s134*s34*z34) - 
   (2*s14*s23*z4)/(s124*s134*s34*z34) - (8*s13*s14*s23*z4)/
    (s12*s123*s134*s34*z34) - (4*s14^2*s23*z4)/(s12*s123*s134*s34*z34) - 
   (4*s13*s23^2*z4)/(s12*s123*s134*s34*z34) - 
   (4*s14*s23^2*z4)/(s12*s123*s134*s34*z34) - 
   (2*s12*s23*z4)/(s123*s234*s34*z34) + (2*s12*s23*z4)/(s124*s234*s34*z34) - 
   (2*s13*s23*z4)/(s123*s234*s34*z34) + (2*s13*s23*z4)/(s124*s234*s34*z34) - 
   (2*s14*s23*z4)/(s123*s234*s34*z34) + (2*s14*s23*z4)/(s124*s234*s34*z34) + 
   (2*s23^2*z4)/(s123*s234*s34*z34) + (2*s23^2*z4)/(s124*s234*s34*z34) + 
   (4*s13*s23^2*z4)/(s12*s123*s234*s34*z34) + 
   (4*s14*s23^2*z4)/(s12*s123*s234*s34*z34) + 
   (4*s23^3*z4)/(s12*s123*s234*s34*z34) + (2*s13*s24*z4)/
    (s123*s134*s34*z34) + (2*s13*s24*z4)/(s124*s134*s34*z34) + 
   (4*s13^2*s24*z4)/(s12*s124*s134*s34*z34) + 
   (2*s14*s24*z4)/(s123*s134*s34*z34) + (2*s14*s24*z4)/(s124*s134*s34*z34) + 
   (8*s13*s14*s24*z4)/(s12*s124*s134*s34*z34) + 
   (4*s14^2*s24*z4)/(s12*s124*s134*s34*z34) - (4*s13*s23*s24*z4)/
    (s12*s123*s134*s34*z34) + (4*s13*s23*s24*z4)/(s12*s124*s134*s34*z34) - 
   (4*s14*s23*s24*z4)/(s12*s123*s134*s34*z34) + 
   (4*s14*s23*s24*z4)/(s12*s124*s134*s34*z34) + 
   (2*s12*s24*z4)/(s234^2*s34*z34) + (2*s13*s24*z4)/(s234^2*s34*z34) + 
   (2*s14*s24*z4)/(s234^2*s34*z34) + (4*s23*s24*z4)/(s234^2*s34*z34) - 
   (2*s12*s24*z4)/(s123*s234*s34*z34) + (2*s12*s24*z4)/(s124*s234*s34*z34) - 
   (2*s13*s24*z4)/(s123*s234*s34*z34) + (2*s13*s24*z4)/(s124*s234*s34*z34) - 
   (2*s12*s24*z4)/(s134*s234*s34*z34) - (4*s13*s24*z4)/(s134*s234*s34*z34) - 
   (2*s14*s24*z4)/(s123*s234*s34*z34) + (2*s14*s24*z4)/(s124*s234*s34*z34) - 
   (4*s14*s24*z4)/(s134*s234*s34*z34) + (4*s13*s23*s24*z4)/
    (s12*s123*s234*s34*z34) - (4*s13*s23*s24*z4)/(s12*s124*s234*s34*z34) - 
   (2*s23*s24*z4)/(s134*s234*s34*z34) + (4*s14*s23*s24*z4)/
    (s12*s123*s234*s34*z34) - (4*s14*s23*s24*z4)/(s12*s124*s234*s34*z34) + 
   (8*s23^2*s24*z4)/(s12*s123*s234*s34*z34) - 
   (4*s23^2*s24*z4)/(s12*s124*s234*s34*z34) + 
   (4*s13*s24^2*z4)/(s12*s124*s134*s34*z34) + 
   (4*s14*s24^2*z4)/(s12*s124*s134*s34*z34) + (4*s24^2*z4)/(s234^2*s34*z34) - 
   (2*s24^2*z4)/(s123*s234*s34*z34) - (2*s24^2*z4)/(s124*s234*s34*z34) - 
   (4*s13*s24^2*z4)/(s12*s124*s234*s34*z34) - 
   (2*s24^2*z4)/(s134*s234*s34*z34) - (4*s14*s24^2*z4)/
    (s12*s124*s234*s34*z34) + (4*s23*s24^2*z4)/(s12*s123*s234*s34*z34) - 
   (8*s23*s24^2*z4)/(s12*s124*s234*s34*z34) - 
   (4*s24^3*z4)/(s12*s124*s234*s34*z34) + (2*s34*z4)/(s123*s134*z34) - 
   (2*s34*z4)/(s124*s134*z34) - (4*s23*s34*z4)/(s12*s123*s134*z34) - 
   (2*s34*z4)/(s123*s234*z34) + (2*s34*z4)/(s124*s234*z34) + 
   (4*s23*s34*z4)/(s12*s123*s234*z34) + (4*s24*s34*z4)/(s12*s124*s134*z34) - 
   (4*s24*s34*z4)/(s12*s124*s234*z34) + (4*s12*z2*z4)/(s123*s134*z12*z34) - 
   (4*s12*z2*z4)/(s124*s134*z12*z34) + (12*s13*z2*z4)/(s123*s134*z12*z34) - 
   (8*s13*z2*z4)/(s124*s134*z12*z34) + (8*s13^2*z2*z4)/
    (s12*s123*s134*z12*z34) + (8*s14*z2*z4)/(s123*s134*z12*z34) - 
   (12*s14*z2*z4)/(s124*s134*z12*z34) + (8*s13*s14*z2*z4)/
    (s12*s123*s134*z12*z34) - (8*s13*s14*z2*z4)/(s12*s124*s134*z12*z34) - 
   (8*s14^2*z2*z4)/(s12*s124*s134*z12*z34) + 
   (8*s23*z2*z4)/(s123*s134*z12*z34) - (4*s23*z2*z4)/(s124*s134*z12*z34) + 
   (12*s13*s23*z2*z4)/(s12*s123*s134*z12*z34) + 
   (8*s14*s23*z2*z4)/(s12*s123*s134*z12*z34) - 
   (4*s14*s23*z2*z4)/(s12*s124*s134*z12*z34) + 
   (4*s23^2*z2*z4)/(s12*s123*s134*z12*z34) - 
   (4*s12*z2*z4)/(s123*s234*z12*z34) + (4*s12*z2*z4)/(s124*s234*z12*z34) - 
   (8*s13*z2*z4)/(s123*s234*z12*z34) + (4*s13*z2*z4)/(s124*s234*z12*z34) - 
   (4*s13^2*z2*z4)/(s12*s123*s234*z12*z34) - 
   (4*s14*z2*z4)/(s123*s234*z12*z34) + (8*s14*z2*z4)/(s124*s234*z12*z34) - 
   (4*s13*s14*z2*z4)/(s12*s123*s234*z12*z34) + 
   (4*s13*s14*z2*z4)/(s12*s124*s234*z12*z34) + 
   (4*s14^2*z2*z4)/(s12*s124*s234*z12*z34) - 
   (12*s23*z2*z4)/(s123*s234*z12*z34) + (8*s23*z2*z4)/(s124*s234*z12*z34) - 
   (12*s13*s23*z2*z4)/(s12*s123*s234*z12*z34) - 
   (4*s14*s23*z2*z4)/(s12*s123*s234*z12*z34) + 
   (8*s14*s23*z2*z4)/(s12*s124*s234*z12*z34) - 
   (8*s23^2*z2*z4)/(s12*s123*s234*z12*z34) + 
   (4*s24*z2*z4)/(s123*s134*z12*z34) - (8*s24*z2*z4)/(s124*s134*z12*z34) + 
   (4*s13*s24*z2*z4)/(s12*s123*s134*z12*z34) - 
   (8*s13*s24*z2*z4)/(s12*s124*s134*z12*z34) - 
   (12*s14*s24*z2*z4)/(s12*s124*s134*z12*z34) + 
   (4*s23*s24*z2*z4)/(s12*s123*s134*z12*z34) - 
   (4*s23*s24*z2*z4)/(s12*s124*s134*z12*z34) - 
   (8*s24*z2*z4)/(s123*s234*z12*z34) + (12*s24*z2*z4)/(s124*s234*z12*z34) - 
   (8*s13*s24*z2*z4)/(s12*s123*s234*z12*z34) + 
   (4*s13*s24*z2*z4)/(s12*s124*s234*z12*z34) + 
   (12*s14*s24*z2*z4)/(s12*s124*s234*z12*z34) - 
   (8*s23*s24*z2*z4)/(s12*s123*s234*z12*z34) + 
   (8*s23*s24*z2*z4)/(s12*s124*s234*z12*z34) - 
   (4*s24^2*z2*z4)/(s12*s124*s134*z12*z34) + 
   (8*s24^2*z2*z4)/(s12*s124*s234*z12*z34) + (4*s12*s13*z2*z4)/
    (s123*s134*s34*z12*z34) - (4*s12*s13*z2*z4)/(s124*s134*s34*z12*z34) + 
   (8*s13^2*z2*z4)/(s123*s134*s34*z12*z34) - 
   (4*s13^2*z2*z4)/(s124*s134*s34*z12*z34) + 
   (4*s13^3*z2*z4)/(s12*s123*s134*s34*z12*z34) + 
   (4*s12*s14*z2*z4)/(s123*s134*s34*z12*z34) - 
   (4*s12*s14*z2*z4)/(s124*s134*s34*z12*z34) + 
   (12*s13*s14*z2*z4)/(s123*s134*s34*z12*z34) - 
   (12*s13*s14*z2*z4)/(s124*s134*s34*z12*z34) + 
   (8*s13^2*s14*z2*z4)/(s12*s123*s134*s34*z12*z34) - 
   (4*s13^2*s14*z2*z4)/(s12*s124*s134*s34*z12*z34) + 
   (4*s14^2*z2*z4)/(s123*s134*s34*z12*z34) - 
   (8*s14^2*z2*z4)/(s124*s134*s34*z12*z34) + (4*s13*s14^2*z2*z4)/
    (s12*s123*s134*s34*z12*z34) - (8*s13*s14^2*z2*z4)/
    (s12*s124*s134*s34*z12*z34) - (4*s14^3*z2*z4)/(s12*s124*s134*s34*z12*
     z34) + (8*s13*s23*z2*z4)/(s123*s134*s34*z12*z34) - 
   (4*s13*s23*z2*z4)/(s124*s134*s34*z12*z34) + (8*s13^2*s23*z2*z4)/
    (s12*s123*s134*s34*z12*z34) + (8*s14*s23*z2*z4)/(s123*s134*s34*z12*z34) - 
   (4*s14*s23*z2*z4)/(s124*s134*s34*z12*z34) + (12*s13*s14*s23*z2*z4)/
    (s12*s123*s134*s34*z12*z34) - (4*s13*s14*s23*z2*z4)/
    (s12*s124*s134*s34*z12*z34) + (4*s14^2*s23*z2*z4)/
    (s12*s123*s134*s34*z12*z34) - (4*s14^2*s23*z2*z4)/
    (s12*s124*s134*s34*z12*z34) + (4*s13*s23^2*z2*z4)/
    (s12*s123*s134*s34*z12*z34) + (4*s14*s23^2*z2*z4)/
    (s12*s123*s134*s34*z12*z34) - (4*s12*s23*z2*z4)/(s123*s234*s34*z12*z34) + 
   (4*s12*s23*z2*z4)/(s124*s234*s34*z12*z34) - 
   (8*s13*s23*z2*z4)/(s123*s234*s34*z12*z34) + 
   (4*s13*s23*z2*z4)/(s124*s234*s34*z12*z34) - (4*s13^2*s23*z2*z4)/
    (s12*s123*s234*s34*z12*z34) - (4*s14*s23*z2*z4)/(s123*s234*s34*z12*z34) + 
   (8*s14*s23*z2*z4)/(s124*s234*s34*z12*z34) - (4*s13*s14*s23*z2*z4)/
    (s12*s123*s234*s34*z12*z34) + (4*s13*s14*s23*z2*z4)/
    (s12*s124*s234*s34*z12*z34) + (4*s14^2*s23*z2*z4)/
    (s12*s124*s234*s34*z12*z34) - (8*s23^2*z2*z4)/(s123*s234*s34*z12*z34) + 
   (4*s23^2*z2*z4)/(s124*s234*s34*z12*z34) - (8*s13*s23^2*z2*z4)/
    (s12*s123*s234*s34*z12*z34) - (4*s14*s23^2*z2*z4)/
    (s12*s123*s234*s34*z12*z34) + (4*s14*s23^2*z2*z4)/
    (s12*s124*s234*s34*z12*z34) - (4*s23^3*z2*z4)/(s12*s123*s234*s34*z12*
     z34) + (4*s13*s24*z2*z4)/(s123*s134*s34*z12*z34) - 
   (8*s13*s24*z2*z4)/(s124*s134*s34*z12*z34) + (4*s13^2*s24*z2*z4)/
    (s12*s123*s134*s34*z12*z34) - (4*s13^2*s24*z2*z4)/
    (s12*s124*s134*s34*z12*z34) + (4*s14*s24*z2*z4)/(s123*s134*s34*z12*z34) - 
   (8*s14*s24*z2*z4)/(s124*s134*s34*z12*z34) + (4*s13*s14*s24*z2*z4)/
    (s12*s123*s134*s34*z12*z34) - (12*s13*s14*s24*z2*z4)/
    (s12*s124*s134*s34*z12*z34) - (8*s14^2*s24*z2*z4)/
    (s12*s124*s134*s34*z12*z34) + (4*s13*s23*s24*z2*z4)/
    (s12*s123*s134*s34*z12*z34) - (4*s13*s23*s24*z2*z4)/
    (s12*s124*s134*s34*z12*z34) + (4*s14*s23*s24*z2*z4)/
    (s12*s123*s134*s34*z12*z34) - (4*s14*s23*s24*z2*z4)/
    (s12*s124*s134*s34*z12*z34) - (4*s12*s24*z2*z4)/(s123*s234*s34*z12*z34) + 
   (4*s12*s24*z2*z4)/(s124*s234*s34*z12*z34) - 
   (8*s13*s24*z2*z4)/(s123*s234*s34*z12*z34) + 
   (4*s13*s24*z2*z4)/(s124*s234*s34*z12*z34) - (4*s13^2*s24*z2*z4)/
    (s12*s123*s234*s34*z12*z34) - (4*s14*s24*z2*z4)/(s123*s234*s34*z12*z34) + 
   (8*s14*s24*z2*z4)/(s124*s234*s34*z12*z34) - (4*s13*s14*s24*z2*z4)/
    (s12*s123*s234*s34*z12*z34) + (4*s13*s14*s24*z2*z4)/
    (s12*s124*s234*s34*z12*z34) + (4*s14^2*s24*z2*z4)/
    (s12*s124*s234*s34*z12*z34) - (12*s23*s24*z2*z4)/
    (s123*s234*s34*z12*z34) + (12*s23*s24*z2*z4)/(s124*s234*s34*z12*z34) - 
   (12*s13*s23*s24*z2*z4)/(s12*s123*s234*s34*z12*z34) + 
   (4*s13*s23*s24*z2*z4)/(s12*s124*s234*s34*z12*z34) - 
   (4*s14*s23*s24*z2*z4)/(s12*s123*s234*s34*z12*z34) + 
   (12*s14*s23*s24*z2*z4)/(s12*s124*s234*s34*z12*z34) - 
   (8*s23^2*s24*z2*z4)/(s12*s123*s234*s34*z12*z34) + 
   (4*s23^2*s24*z2*z4)/(s12*s124*s234*s34*z12*z34) - 
   (4*s13*s24^2*z2*z4)/(s12*s124*s134*s34*z12*z34) - 
   (4*s14*s24^2*z2*z4)/(s12*s124*s134*s34*z12*z34) - 
   (4*s24^2*z2*z4)/(s123*s234*s34*z12*z34) + 
   (8*s24^2*z2*z4)/(s124*s234*s34*z12*z34) - (4*s13*s24^2*z2*z4)/
    (s12*s123*s234*s34*z12*z34) + (4*s13*s24^2*z2*z4)/
    (s12*s124*s234*s34*z12*z34) + (8*s14*s24^2*z2*z4)/
    (s12*s124*s234*s34*z12*z34) - (4*s23*s24^2*z2*z4)/
    (s12*s123*s234*s34*z12*z34) + (8*s23*s24^2*z2*z4)/
    (s12*s124*s234*s34*z12*z34) + (4*s24^3*z2*z4)/(s12*s124*s234*s34*z12*
     z34) + (4*s34*z2*z4)/(s123*s134*z12*z34) - 
   (4*s34*z2*z4)/(s124*s134*z12*z34) + (4*s13*s34*z2*z4)/
    (s12*s123*s134*z12*z34) - (4*s14*s34*z2*z4)/(s12*s124*s134*z12*z34) + 
   (4*s23*s34*z2*z4)/(s12*s123*s134*z12*z34) - 
   (4*s34*z2*z4)/(s123*s234*z12*z34) + (4*s34*z2*z4)/(s124*s234*z12*z34) - 
   (4*s13*s34*z2*z4)/(s12*s123*s234*z12*z34) + 
   (4*s14*s34*z2*z4)/(s12*s124*s234*z12*z34) - 
   (4*s23*s34*z2*z4)/(s12*s123*s234*z12*z34) - 
   (4*s24*s34*z2*z4)/(s12*s124*s134*z12*z34) + 
   (4*s24*s34*z2*z4)/(s12*s124*s234*z12*z34))
