(* Created with the Wolfram Language for Students - Personal Use Only : www.wolfram.com *)
(3*s1234*z1)/s12 - (2*D*s1234*z1)/s12 + (D^2*s1234*z1)/(4*s12) - 
 (6*s1234*z1)/s124 + (5*D*s1234*z1)/(2*s124) - (D^2*s1234*z1)/(4*s124) + 
 (4*s1234*s13*z1)/(s12*s124) - (5*D*s1234*s13*z1)/(2*s12*s124) + 
 (D^2*s1234*s13*z1)/(4*s12*s124) + (6*s1234*s14*z1)/s123^2 - 
 (3*D*s1234*s14*z1)/s123^2 + (D^2*s1234*s14*z1)/(2*s123^2) + 
 (s1234*s14*z1)/s124^2 - (D*s1234*s14*z1)/(2*s124^2) - 
 (4*s1234*s14*z1)/(s12*s124) + (5*D*s1234*s14*z1)/(2*s12*s124) - 
 (D^2*s1234*s14*z1)/(4*s12*s124) + (D*s12*s1234*s14*z1)/(s123^2*s13) - 
 (2*s1234*s13*s14*z1)/(s12*s124^2) + (D*s1234*s13*s14*z1)/(s12*s124^2) + 
 (s1234*s14^2*z1)/(s12*s124^2) - (D*s1234*s14^2*z1)/(2*s12*s124^2) - 
 (2*s12*s1234*s14*z1)/(s123^2*s23) + (D*s12*s1234*s14*z1)/(s123^2*s23) - 
 (2*s12^2*s1234*s14*z1)/(s123^2*s13*s23) + (D*s12^2*s1234*s14*z1)/
  (s123^2*s13*s23) + (s1234*s13*s14*z1)/(s123^2*s23) - 
 (D*s1234*s13*s14*z1)/(s123^2*s23) + (D^2*s1234*s13*s14*z1)/(4*s123^2*s23) - 
 (D*s1234*s23*z1)/(2*s12^2) + (5*s1234*s23*z1)/(s12*s124) - 
 (5*D*s1234*s23*z1)/(2*s12*s124) + (D^2*s1234*s23*z1)/(4*s12*s124) - 
 (2*s1234*s14*s23*z1)/(s12*s124^2) + (D*s1234*s14*s23*z1)/(2*s12*s124^2) - 
 (2*s1234*s14*s23*z1)/(s12^2*s124) + (3*D*s1234*s14*s23*z1)/(2*s12^2*s124) + 
 (3*s1234*s14*s23*z1)/(s123^2*s13) - (D*s1234*s14*s23*z1)/(s123^2*s13) + 
 (D^2*s1234*s14*s23*z1)/(4*s123^2*s13) - (D*s1234*s14^2*s23*z1)/
  (2*s12^2*s124^2) - (2*s1234*s24*z1)/s12^2 + (2*s1234*s24*z1)/s123^2 - 
 (3*D*s1234*s24*z1)/s123^2 + (D^2*s1234*s24*z1)/(2*s123^2) - 
 (4*s1234*s24*z1)/(s12*s124) + (2*D*s1234*s24*z1)/(s12*s124) - 
 (D^2*s1234*s24*z1)/(4*s12*s124) - (5*s12*s1234*s24*z1)/(s123^2*s13) + 
 (D*s12*s1234*s24*z1)/(s123^2*s13) - (4*s1234*s13*s24*z1)/(s12*s124^2) + 
 (D*s1234*s13*s24*z1)/(s12*s124^2) + (s1234*s13*s24*z1)/(s12^2*s124) - 
 (2*s1234*s14*s24*z1)/(s12*s124^2) + (7*s1234*s14*s24*z1)/(s12^2*s124) - 
 (D*s1234*s14*s24*z1)/(2*s12^2*s124) + (3*s1234*s14*s24*z1)/(s123^2*s13) + 
 (2*s1234*s13*s14*s24*z1)/(s12^2*s124^2) - (3*s1234*s14^2*s24*z1)/
  (s12^2*s124^2) + (D*s1234*s14^2*s24*z1)/(2*s12^2*s124^2) - 
 (5*s12*s1234*s24*z1)/(s123^2*s23) + (D*s12*s1234*s24*z1)/(s123^2*s23) - 
 (4*s12^2*s1234*s24*z1)/(s123^2*s13*s23) + (D*s12^2*s1234*s24*z1)/
  (s123^2*s13*s23) - (D*s1234*s13*s24*z1)/(s123^2*s23) + 
 (D^2*s1234*s13*s24*z1)/(4*s123^2*s23) + (s1234*s14*s24*z1)/(s123^2*s23) + 
 (2*s12*s1234*s14*s24*z1)/(s123^2*s13*s23) - 
 (4*s1234*s23*s24*z1)/(s12*s124^2) + (3*D*s1234*s23*s24*z1)/(2*s12*s124^2) + 
 (s1234*s23*s24*z1)/(s12^2*s124) - (D*s1234*s23*s24*z1)/(2*s12^2*s124) - 
 (D*s1234*s23*s24*z1)/(s123^2*s13) + (D^2*s1234*s23*s24*z1)/(4*s123^2*s13) + 
 (2*s1234*s14*s23*s24*z1)/(s12^2*s124^2) - (s1234*s24^2*z1)/(s12*s124^2) + 
 (D*s1234*s24^2*z1)/(2*s12*s124^2) + (s1234*s24^2*z1)/(s12^2*s124) - 
 (D*s1234*s24^2*z1)/(2*s12^2*s124) - (s1234*s24^2*z1)/(s123^2*s13) - 
 (2*s1234*s13*s24^2*z1)/(s12^2*s124^2) - (4*s1234*s14*s24^2*z1)/
  (s12^2*s124^2) + (D*s1234*s14*s24^2*z1)/(s12^2*s124^2) - 
 (3*s1234*s24^2*z1)/(s123^2*s23) - (2*s12*s1234*s24^2*z1)/(s123^2*s13*s23) - 
 (2*s1234*s23*s24^2*z1)/(s12^2*s124^2) + (D*s1234*s23*s24^2*z1)/
  (2*s12^2*s124^2) - (s1234*s24^3*z1)/(s12^2*s124^2) + 
 (D*s1234*s24^3*z1)/(2*s12^2*s124^2) + (s1234*s13*z1)/(s12*s34) - 
 (D*s1234*s13*z1)/(s12*s34) + (D^2*s1234*s13*z1)/(4*s12*s34) - 
 (s1234*s14*z1)/(s12*s34) + (D*s1234*s14*z1)/(2*s12*s34) + 
 (s1234*s13*s14*z1)/(s12*s124*s34) - (D*s1234*s13*s14*z1)/(2*s12*s124*s34) + 
 (2*s1234*s14^2*z1)/(s12*s124*s34) - (D*s1234*s14^2*z1)/(s12*s124*s34) + 
 (2*s1234*s23*z1)/(s12*s34) - (3*D*s1234*s23*z1)/(2*s12*s34) + 
 (D^2*s1234*s23*z1)/(4*s12*s34) - (s1234*s13*s23*z1)/(s12^2*s34) + 
 (D*s1234*s13*s23*z1)/(2*s12^2*s34) + (s1234*s14*s23*z1)/(s12^2*s34) - 
 (s1234*s13*s14*s23*z1)/(s12^2*s124*s34) - (3*s1234*s14^2*s23*z1)/
  (s12^2*s124*s34) + (D*s1234*s14^2*s23*z1)/(2*s12^2*s124*s34) + 
 (s1234*s23^2*z1)/(s12^2*s34) - (D*s1234*s23^2*z1)/(2*s12^2*s34) - 
 (3*s1234*s14*s23^2*z1)/(s12^2*s124*s34) + (D*s1234*s14*s23^2*z1)/
  (s12^2*s124*s34) - (2*s1234*s24*z1)/(s12*s34) + 
 (D*s1234*s24*z1)/(2*s12*s34) - (s1234*s13*s24*z1)/(s12^2*s34) + 
 (D*s1234*s13*s24*z1)/(2*s12^2*s34) + (4*s1234*s13*s24*z1)/(s12*s124*s34) - 
 (D*s1234*s13*s24*z1)/(s12*s124*s34) + (s1234*s13^2*s24*z1)/
  (s12^2*s124*s34) + (s1234*s14*s24*z1)/(s12^2*s34) + 
 (7*s1234*s14*s24*z1)/(s12*s124*s34) - (2*D*s1234*s14*s24*z1)/
  (s12*s124*s34) + (2*s1234*s13*s14*s24*z1)/(s12^2*s124*s34) - 
 (D*s1234*s13*s14*s24*z1)/(2*s12^2*s124*s34) - 
 (s1234*s14^2*s24*z1)/(s12^2*s124*s34) - (D*s1234*s23*s24*z1)/(2*s12^2*s34) + 
 (s1234*s23*s24*z1)/(s12*s124*s34) - (D*s1234*s23*s24*z1)/(2*s12*s124*s34) + 
 (3*s1234*s13*s23*s24*z1)/(s12^2*s124*s34) - (D*s1234*s13*s23*s24*z1)/
  (s12^2*s124*s34) - (2*s1234*s14*s23*s24*z1)/(s12^2*s124*s34) + 
 (D*s1234*s14*s23*s24*z1)/(2*s12^2*s124*s34) - (s1234*s24^2*z1)/(s12^2*s34) + 
 (3*s1234*s24^2*z1)/(s12*s124*s34) - (D*s1234*s24^2*z1)/(s12*s124*s34) + 
 (2*s1234*s13*s24^2*z1)/(s12^2*s124*s34) - (D*s1234*s13*s24^2*z1)/
  (2*s12^2*s124*s34) + (s1234*s23*s24^2*z1)/(s12^2*s124*s34) + 
 (s1234*s24^3*z1)/(s12^2*s124*s34) + (7*s1234*s34*z1)/s123^2 - 
 (4*D*s1234*s34*z1)/s123^2 + (D^2*s1234*s34*z1)/(2*s123^2) + 
 (D*s1234*s34*z1)/s124^2 - (D^2*s1234*s34*z1)/(4*s124^2) + 
 (3*s1234*s34*z1)/(s12*s124) - (5*D*s1234*s34*z1)/(2*s12*s124) + 
 (D^2*s1234*s34*z1)/(4*s12*s124) - (s12*s1234*s34*z1)/(s123^2*s13) + 
 (D*s12*s1234*s34*z1)/(2*s123^2*s13) - (2*s1234*s14*s34*z1)/(s12*s124^2) + 
 (2*D*s1234*s14*s34*z1)/(s12*s124^2) - (D^2*s1234*s14*s34*z1)/
  (4*s12*s124^2) + (D*s1234*s14*s34*z1)/(2*s123^2*s13) - 
 (2*s12*s1234*s34*z1)/(s123^2*s23) + (D*s12*s1234*s34*z1)/(2*s123^2*s23) - 
 (3*s12^2*s1234*s34*z1)/(s123^2*s13*s23) + (D*s12^2*s1234*s34*z1)/
  (s123^2*s13*s23) + (2*s1234*s13*s34*z1)/(s123^2*s23) - 
 (3*D*s1234*s13*s34*z1)/(2*s123^2*s23) + (D^2*s1234*s13*s34*z1)/
  (4*s123^2*s23) - (s1234*s14*s34*z1)/(s123^2*s23) + 
 (D*s1234*s14*s34*z1)/(2*s123^2*s23) + (s12*s1234*s14*s34*z1)/
  (s123^2*s13*s23) + (3*s1234*s23*s34*z1)/(s123^2*s13) - 
 (3*D*s1234*s23*s34*z1)/(2*s123^2*s13) + (D^2*s1234*s23*s34*z1)/
  (4*s123^2*s13) - (4*s1234*s24*s34*z1)/(s12*s124^2) + 
 (5*D*s1234*s24*s34*z1)/(2*s12*s124^2) - (D^2*s1234*s24*s34*z1)/
  (4*s12*s124^2) - (D*s1234*s24*s34*z1)/(2*s12^2*s124) - 
 (s1234*s24*s34*z1)/(s123^2*s13) + (D*s1234*s24*s34*z1)/(2*s123^2*s13) + 
 (2*s1234*s14*s24*s34*z1)/(s12^2*s124^2) + (D*s1234*s14*s24*s34*z1)/
  (2*s12^2*s124^2) - (4*s1234*s24*s34*z1)/(s123^2*s23) + 
 (D*s1234*s24*s34*z1)/(2*s123^2*s23) - (s12*s1234*s24*s34*z1)/
  (s123^2*s13*s23) - (2*s1234*s24^2*s34*z1)/(s12^2*s124^2) + 
 (D*s1234*s24^2*s34*z1)/(2*s12^2*s124^2) + (2*s1234*s34^2*z1)/(s123^2*s13) - 
 (D*s1234*s34^2*z1)/(2*s123^2*s13) + (s1234*s34^2*z1)/(s123^2*s23) - 
 (D*s1234*s34^2*z1)/(2*s123^2*s23) + (3*s12*s1234*s34^2*z1)/
  (s123^2*s13*s23) - (D*s12*s1234*s34^2*z1)/(s123^2*s13*s23) - 
 (s1234*z1^2)/(s12*z12) + (s1234*z1^2)/(s124*z12) - 
 (s1234*s14*z1^2)/(s124^2*z12) + (2*s1234*s14*z1^2)/(s12*s124*z12) - 
 (s1234*s14^2*z1^2)/(s12*s124^2*z12) + (D*s1234*s23*z1^2)/(2*s12^2*z12) + 
 (s1234*s23*z1^2)/(s12*s124*z12) - (D*s1234*s23*z1^2)/(s12*s124*z12) + 
 (D*s1234*s14*s23*z1^2)/(2*s12*s124^2*z12) + 
 (2*s1234*s14*s23*z1^2)/(s12^2*s124*z12) - (3*D*s1234*s14*s23*z1^2)/
  (2*s12^2*s124*z12) + (D*s1234*s14^2*s23*z1^2)/(2*s12^2*s124^2*z12) + 
 (2*s1234*s24*z1^2)/(s12^2*z12) + (2*s1234*s24*z1^2)/(s124^2*z12) - 
 (D*s1234*s24*z1^2)/(2*s124^2*z12) - (6*s1234*s24*z1^2)/(s12*s124*z12) + 
 (D*s1234*s24*z1^2)/(2*s12*s124*z12) - (2*s1234*s13*s24*z1^2)/
  (s12*s124^2*z12) - (s1234*s13*s24*z1^2)/(s12^2*s124*z12) + 
 (4*s1234*s14*s24*z1^2)/(s12*s124^2*z12) - (D*s1234*s14*s24*z1^2)/
  (s12*s124^2*z12) - (7*s1234*s14*s24*z1^2)/(s12^2*s124*z12) + 
 (D*s1234*s14*s24*z1^2)/(2*s12^2*s124*z12) - (2*s1234*s13*s14*s24*z1^2)/
  (s12^2*s124^2*z12) + (3*s1234*s14^2*s24*z1^2)/(s12^2*s124^2*z12) - 
 (D*s1234*s14^2*s24*z1^2)/(2*s12^2*s124^2*z12) - 
 (2*s1234*s23*s24*z1^2)/(s12*s124^2*z12) + (D*s1234*s23*s24*z1^2)/
  (2*s12*s124^2*z12) + (s1234*s23*s24*z1^2)/(s12^2*s124*z12) - 
 (3*D*s1234*s23*s24*z1^2)/(2*s12^2*s124*z12) - 
 (2*s1234*s14*s23*s24*z1^2)/(s12^2*s124^2*z12) + 
 (D*s1234*s14*s23*s24*z1^2)/(s12^2*s124^2*z12) + 
 (5*s1234*s24^2*z1^2)/(s12*s124^2*z12) - (D*s1234*s24^2*z1^2)/
  (s12*s124^2*z12) - (7*s1234*s24^2*z1^2)/(s12^2*s124*z12) + 
 (D*s1234*s24^2*z1^2)/(2*s12^2*s124*z12) - (2*s1234*s13*s24^2*z1^2)/
  (s12^2*s124^2*z12) + (6*s1234*s14*s24^2*z1^2)/(s12^2*s124^2*z12) - 
 (D*s1234*s14*s24^2*z1^2)/(s12^2*s124^2*z12) - 
 (2*s1234*s23*s24^2*z1^2)/(s12^2*s124^2*z12) + 
 (D*s1234*s23*s24^2*z1^2)/(2*s12^2*s124^2*z12) + 
 (3*s1234*s24^3*z1^2)/(s12^2*s124^2*z12) - (D*s1234*s24^3*z1^2)/
  (2*s12^2*s124^2*z12) + (s1234*s23*z1^2)/(s12*s34*z12) - 
 (D*s1234*s23*z1^2)/(2*s12*s34*z12) + (s1234*s13*s23*z1^2)/(s12^2*s34*z12) - 
 (D*s1234*s13*s23*z1^2)/(2*s12^2*s34*z12) - 
 (s1234*s14*s23*z1^2)/(s12^2*s34*z12) + (3*s1234*s14*s23*z1^2)/
  (s12*s124*s34*z12) - (D*s1234*s14*s23*z1^2)/(2*s12*s124*s34*z12) + 
 (s1234*s13*s14*s23*z1^2)/(s12^2*s124*s34*z12) + 
 (3*s1234*s14^2*s23*z1^2)/(s12^2*s124*s34*z12) - 
 (D*s1234*s14^2*s23*z1^2)/(2*s12^2*s124*s34*z12) + 
 (s1234*s23^2*z1^2)/(s12^2*s34*z12) - (D*s1234*s23^2*z1^2)/
  (2*s12^2*s34*z12) + (s1234*s14*s23^2*z1^2)/(s12^2*s124*s34*z12) - 
 (s1234*s24*z1^2)/(s12*s34*z12) + (s1234*s13*s24*z1^2)/(s12^2*s34*z12) - 
 (D*s1234*s13*s24*z1^2)/(2*s12^2*s34*z12) - (3*s1234*s13*s24*z1^2)/
  (s12*s124*s34*z12) + (D*s1234*s13*s24*z1^2)/(2*s12*s124*s34*z12) - 
 (s1234*s13^2*s24*z1^2)/(s12^2*s124*s34*z12) - 
 (s1234*s14*s24*z1^2)/(s12^2*s34*z12) + (s1234*s14*s24*z1^2)/
  (s12*s124*s34*z12) - (2*s1234*s13*s14*s24*z1^2)/(s12^2*s124*s34*z12) + 
 (D*s1234*s13*s14*s24*z1^2)/(2*s12^2*s124*s34*z12) + 
 (s1234*s14^2*s24*z1^2)/(s12^2*s124*s34*z12) - 
 (D*s1234*s23*s24*z1^2)/(2*s12^2*s34*z12) - (s1234*s13*s23*s24*z1^2)/
  (s12^2*s124*s34*z12) + (4*s1234*s14*s23*s24*z1^2)/(s12^2*s124*s34*z12) - 
 (D*s1234*s14*s23*s24*z1^2)/(2*s12^2*s124*s34*z12) - 
 (s1234*s24^2*z1^2)/(s12^2*s34*z12) + (s1234*s24^2*z1^2)/(s12*s124*s34*z12) - 
 (2*s1234*s13*s24^2*z1^2)/(s12^2*s124*s34*z12) + 
 (D*s1234*s13*s24^2*z1^2)/(2*s12^2*s124*s34*z12) + 
 (2*s1234*s14*s24^2*z1^2)/(s12^2*s124*s34*z12) + 
 (s1234*s23*s24^2*z1^2)/(s12^2*s124*s34*z12) + 
 (s1234*s24^3*z1^2)/(s12^2*s124*s34*z12) - (2*s1234*s24*s34*z1^2)/
  (s12*s124^2*z12) - (D*s1234*s24*s34*z1^2)/(2*s12*s124^2*z12) + 
 (D*s1234*s24*s34*z1^2)/(2*s12^2*s124*z12) - (2*s1234*s14*s24*s34*z1^2)/
  (s12^2*s124^2*z12) - (D*s1234*s14*s24*s34*z1^2)/(2*s12^2*s124^2*z12) - 
 (2*s1234*s24^2*s34*z1^2)/(s12^2*s124^2*z12) - 
 (D*s1234*s24^2*s34*z1^2)/(2*s12^2*s124^2*z12) - 
 (4*s1234*s24*z1^2)/(s123^2*z123) - (5*s12*s1234*s24*z1^2)/
  (s123^2*s13*z123) - (3*s1234*s14*s24*z1^2)/(s123^2*s13*z123) - 
 (3*s12*s1234*s24*z1^2)/(s123^2*s23*z123) - (2*s12^2*s1234*s24*z1^2)/
  (s123^2*s13*s23*z123) - (s1234*s13*s24*z1^2)/(s123^2*s23*z123) - 
 (s1234*s14*s24*z1^2)/(s123^2*s23*z123) - (2*s12*s1234*s14*s24*z1^2)/
  (s123^2*s13*s23*z123) - (3*s1234*s23*s24*z1^2)/(s123^2*s13*z123) - 
 (3*s1234*s24^2*z1^2)/(s123^2*s13*z123) - (s1234*s24^2*z1^2)/
  (s123^2*s23*z123) - (2*s12*s1234*s24^2*z1^2)/(s123^2*s13*s23*z123) + 
 (s1234*s34*z1^2)/(s123^2*z123) - (D*s1234*s34*z1^2)/(s123^2*z123) - 
 (s12*s1234*s34*z1^2)/(s123^2*s13*z123) - (D*s12*s1234*s34*z1^2)/
  (2*s123^2*s13*z123) - (D*s1234*s14*s34*z1^2)/(2*s123^2*s13*z123) - 
 (D*s12*s1234*s34*z1^2)/(2*s123^2*s23*z123) - 
 (s12^2*s1234*s34*z1^2)/(s123^2*s13*s23*z123) + 
 (s1234*s13*s34*z1^2)/(s123^2*s23*z123) - (D*s1234*s13*s34*z1^2)/
  (2*s123^2*s23*z123) + (s1234*s14*s34*z1^2)/(s123^2*s23*z123) - 
 (D*s1234*s14*s34*z1^2)/(2*s123^2*s23*z123) - 
 (s12*s1234*s14*s34*z1^2)/(s123^2*s13*s23*z123) - 
 (D*s1234*s23*s34*z1^2)/(2*s123^2*s13*z123) - 
 (3*s1234*s24*s34*z1^2)/(s123^2*s13*z123) - (D*s1234*s24*s34*z1^2)/
  (2*s123^2*s13*z123) - (D*s1234*s24*s34*z1^2)/(2*s123^2*s23*z123) - 
 (3*s12*s1234*s24*s34*z1^2)/(s123^2*s13*s23*z123) - 
 (D*s1234*s34^2*z1^2)/(2*s123^2*s13*z123) + 
 (s1234*s34^2*z1^2)/(s123^2*s23*z123) - (D*s1234*s34^2*z1^2)/
  (2*s123^2*s23*z123) - (s12*s1234*s34^2*z1^2)/(s123^2*s13*s23*z123) + 
 (3*s1234*z2)/s12 - (2*D*s1234*z2)/s12 + (D^2*s1234*z2)/(4*s12) - 
 (6*s1234*z2)/s124 + (5*D*s1234*z2)/(2*s124) - (D^2*s1234*z2)/(4*s124) - 
 (D*s1234*s13*z2)/(2*s12^2) + (5*s1234*s13*z2)/(s12*s124) - 
 (5*D*s1234*s13*z2)/(2*s12*s124) + (D^2*s1234*s13*z2)/(4*s12*s124) - 
 (2*s1234*s14*z2)/s12^2 + (2*s1234*s14*z2)/s123^2 - 
 (3*D*s1234*s14*z2)/s123^2 + (D^2*s1234*s14*z2)/(2*s123^2) - 
 (4*s1234*s14*z2)/(s12*s124) + (2*D*s1234*s14*z2)/(s12*s124) - 
 (D^2*s1234*s14*z2)/(4*s12*s124) - (5*s12*s1234*s14*z2)/(s123^2*s13) + 
 (D*s12*s1234*s14*z2)/(s123^2*s13) - (4*s1234*s13*s14*z2)/(s12*s124^2) + 
 (3*D*s1234*s13*s14*z2)/(2*s12*s124^2) + (s1234*s13*s14*z2)/(s12^2*s124) - 
 (D*s1234*s13*s14*z2)/(2*s12^2*s124) - (s1234*s14^2*z2)/(s12*s124^2) + 
 (D*s1234*s14^2*z2)/(2*s12*s124^2) + (s1234*s14^2*z2)/(s12^2*s124) - 
 (D*s1234*s14^2*z2)/(2*s12^2*s124) - (3*s1234*s14^2*z2)/(s123^2*s13) - 
 (2*s1234*s13*s14^2*z2)/(s12^2*s124^2) + (D*s1234*s13*s14^2*z2)/
  (2*s12^2*s124^2) - (s1234*s14^3*z2)/(s12^2*s124^2) + 
 (D*s1234*s14^3*z2)/(2*s12^2*s124^2) - (5*s12*s1234*s14*z2)/(s123^2*s23) + 
 (D*s12*s1234*s14*z2)/(s123^2*s23) - (4*s12^2*s1234*s14*z2)/
  (s123^2*s13*s23) + (D*s12^2*s1234*s14*z2)/(s123^2*s13*s23) - 
 (D*s1234*s13*s14*z2)/(s123^2*s23) + (D^2*s1234*s13*s14*z2)/(4*s123^2*s23) - 
 (s1234*s14^2*z2)/(s123^2*s23) - (2*s12*s1234*s14^2*z2)/(s123^2*s13*s23) + 
 (4*s1234*s23*z2)/(s12*s124) - (5*D*s1234*s23*z2)/(2*s12*s124) + 
 (D^2*s1234*s23*z2)/(4*s12*s124) - (4*s1234*s14*s23*z2)/(s12*s124^2) + 
 (D*s1234*s14*s23*z2)/(s12*s124^2) + (s1234*s14*s23*z2)/(s12^2*s124) - 
 (D*s1234*s14*s23*z2)/(s123^2*s13) + (D^2*s1234*s14*s23*z2)/(4*s123^2*s13) - 
 (2*s1234*s14^2*s23*z2)/(s12^2*s124^2) + (6*s1234*s24*z2)/s123^2 - 
 (3*D*s1234*s24*z2)/s123^2 + (D^2*s1234*s24*z2)/(2*s123^2) + 
 (s1234*s24*z2)/s124^2 - (D*s1234*s24*z2)/(2*s124^2) - 
 (4*s1234*s24*z2)/(s12*s124) + (5*D*s1234*s24*z2)/(2*s12*s124) - 
 (D^2*s1234*s24*z2)/(4*s12*s124) - (2*s12*s1234*s24*z2)/(s123^2*s13) + 
 (D*s12*s1234*s24*z2)/(s123^2*s13) - (2*s1234*s13*s24*z2)/(s12*s124^2) + 
 (D*s1234*s13*s24*z2)/(2*s12*s124^2) - (2*s1234*s13*s24*z2)/(s12^2*s124) + 
 (3*D*s1234*s13*s24*z2)/(2*s12^2*s124) - (2*s1234*s14*s24*z2)/(s12*s124^2) + 
 (7*s1234*s14*s24*z2)/(s12^2*s124) - (D*s1234*s14*s24*z2)/(2*s12^2*s124) + 
 (s1234*s14*s24*z2)/(s123^2*s13) + (2*s1234*s13*s14*s24*z2)/(s12^2*s124^2) - 
 (4*s1234*s14^2*s24*z2)/(s12^2*s124^2) + (D*s1234*s14^2*s24*z2)/
  (s12^2*s124^2) + (D*s12*s1234*s24*z2)/(s123^2*s23) - 
 (2*s12^2*s1234*s24*z2)/(s123^2*s13*s23) + (D*s12^2*s1234*s24*z2)/
  (s123^2*s13*s23) + (3*s1234*s13*s24*z2)/(s123^2*s23) - 
 (D*s1234*s13*s24*z2)/(s123^2*s23) + (D^2*s1234*s13*s24*z2)/(4*s123^2*s23) + 
 (3*s1234*s14*s24*z2)/(s123^2*s23) + (2*s12*s1234*s14*s24*z2)/
  (s123^2*s13*s23) - (2*s1234*s23*s24*z2)/(s12*s124^2) + 
 (D*s1234*s23*s24*z2)/(s12*s124^2) + (s1234*s23*s24*z2)/(s123^2*s13) - 
 (D*s1234*s23*s24*z2)/(s123^2*s13) + (D^2*s1234*s23*s24*z2)/(4*s123^2*s13) + 
 (2*s1234*s14*s23*s24*z2)/(s12^2*s124^2) + (s1234*s24^2*z2)/(s12*s124^2) - 
 (D*s1234*s24^2*z2)/(2*s12*s124^2) - (D*s1234*s13*s24^2*z2)/
  (2*s12^2*s124^2) - (3*s1234*s14*s24^2*z2)/(s12^2*s124^2) + 
 (D*s1234*s14*s24^2*z2)/(2*s12^2*s124^2) + (2*s1234*s13*z2)/(s12*s34) - 
 (3*D*s1234*s13*z2)/(2*s12*s34) + (D^2*s1234*s13*z2)/(4*s12*s34) + 
 (s1234*s13^2*z2)/(s12^2*s34) - (D*s1234*s13^2*z2)/(2*s12^2*s34) - 
 (2*s1234*s14*z2)/(s12*s34) + (D*s1234*s14*z2)/(2*s12*s34) - 
 (D*s1234*s13*s14*z2)/(2*s12^2*s34) + (s1234*s13*s14*z2)/(s12*s124*s34) - 
 (D*s1234*s13*s14*z2)/(2*s12*s124*s34) - (s1234*s14^2*z2)/(s12^2*s34) + 
 (3*s1234*s14^2*z2)/(s12*s124*s34) - (D*s1234*s14^2*z2)/(s12*s124*s34) + 
 (s1234*s13*s14^2*z2)/(s12^2*s124*s34) + (s1234*s14^3*z2)/(s12^2*s124*s34) + 
 (s1234*s23*z2)/(s12*s34) - (D*s1234*s23*z2)/(s12*s34) + 
 (D^2*s1234*s23*z2)/(4*s12*s34) - (s1234*s13*s23*z2)/(s12^2*s34) + 
 (D*s1234*s13*s23*z2)/(2*s12^2*s34) - (s1234*s14*s23*z2)/(s12^2*s34) + 
 (D*s1234*s14*s23*z2)/(2*s12^2*s34) + (4*s1234*s14*s23*z2)/(s12*s124*s34) - 
 (D*s1234*s14*s23*z2)/(s12*s124*s34) + (3*s1234*s13*s14*s23*z2)/
  (s12^2*s124*s34) - (D*s1234*s13*s14*s23*z2)/(s12^2*s124*s34) + 
 (2*s1234*s14^2*s23*z2)/(s12^2*s124*s34) - (D*s1234*s14^2*s23*z2)/
  (2*s12^2*s124*s34) + (s1234*s14*s23^2*z2)/(s12^2*s124*s34) - 
 (s1234*s24*z2)/(s12*s34) + (D*s1234*s24*z2)/(2*s12*s34) + 
 (s1234*s13*s24*z2)/(s12^2*s34) - (3*s1234*s13^2*s24*z2)/(s12^2*s124*s34) + 
 (D*s1234*s13^2*s24*z2)/(s12^2*s124*s34) + (s1234*s14*s24*z2)/(s12^2*s34) + 
 (7*s1234*s14*s24*z2)/(s12*s124*s34) - (2*D*s1234*s14*s24*z2)/
  (s12*s124*s34) - (2*s1234*s13*s14*s24*z2)/(s12^2*s124*s34) + 
 (D*s1234*s13*s14*s24*z2)/(2*s12^2*s124*s34) + 
 (s1234*s23*s24*z2)/(s12*s124*s34) - (D*s1234*s23*s24*z2)/(2*s12*s124*s34) - 
 (s1234*s13*s23*s24*z2)/(s12^2*s124*s34) + (2*s1234*s14*s23*s24*z2)/
  (s12^2*s124*s34) - (D*s1234*s14*s23*s24*z2)/(2*s12^2*s124*s34) + 
 (2*s1234*s24^2*z2)/(s12*s124*s34) - (D*s1234*s24^2*z2)/(s12*s124*s34) - 
 (3*s1234*s13*s24^2*z2)/(s12^2*s124*s34) + (D*s1234*s13*s24^2*z2)/
  (2*s12^2*s124*s34) - (s1234*s14*s24^2*z2)/(s12^2*s124*s34) + 
 (7*s1234*s34*z2)/s123^2 - (4*D*s1234*s34*z2)/s123^2 + 
 (D^2*s1234*s34*z2)/(2*s123^2) + (D*s1234*s34*z2)/s124^2 - 
 (D^2*s1234*s34*z2)/(4*s124^2) + (3*s1234*s34*z2)/(s12*s124) - 
 (5*D*s1234*s34*z2)/(2*s12*s124) + (D^2*s1234*s34*z2)/(4*s12*s124) - 
 (2*s12*s1234*s34*z2)/(s123^2*s13) + (D*s12*s1234*s34*z2)/(2*s123^2*s13) - 
 (4*s1234*s14*s34*z2)/(s12*s124^2) + (5*D*s1234*s14*s34*z2)/(2*s12*s124^2) - 
 (D^2*s1234*s14*s34*z2)/(4*s12*s124^2) - (D*s1234*s14*s34*z2)/
  (2*s12^2*s124) - (4*s1234*s14*s34*z2)/(s123^2*s13) + 
 (D*s1234*s14*s34*z2)/(2*s123^2*s13) - (2*s1234*s14^2*s34*z2)/
  (s12^2*s124^2) + (D*s1234*s14^2*s34*z2)/(2*s12^2*s124^2) - 
 (s12*s1234*s34*z2)/(s123^2*s23) + (D*s12*s1234*s34*z2)/(2*s123^2*s23) - 
 (3*s12^2*s1234*s34*z2)/(s123^2*s13*s23) + (D*s12^2*s1234*s34*z2)/
  (s123^2*s13*s23) + (3*s1234*s13*s34*z2)/(s123^2*s23) - 
 (3*D*s1234*s13*s34*z2)/(2*s123^2*s23) + (D^2*s1234*s13*s34*z2)/
  (4*s123^2*s23) - (s1234*s14*s34*z2)/(s123^2*s23) + 
 (D*s1234*s14*s34*z2)/(2*s123^2*s23) - (s12*s1234*s14*s34*z2)/
  (s123^2*s13*s23) + (2*s1234*s23*s34*z2)/(s123^2*s13) - 
 (3*D*s1234*s23*s34*z2)/(2*s123^2*s13) + (D^2*s1234*s23*s34*z2)/
  (4*s123^2*s13) - (2*s1234*s24*s34*z2)/(s12*s124^2) + 
 (2*D*s1234*s24*s34*z2)/(s12*s124^2) - (D^2*s1234*s24*s34*z2)/
  (4*s12*s124^2) - (s1234*s24*s34*z2)/(s123^2*s13) + 
 (D*s1234*s24*s34*z2)/(2*s123^2*s13) + (2*s1234*s14*s24*s34*z2)/
  (s12^2*s124^2) + (D*s1234*s14*s24*s34*z2)/(2*s12^2*s124^2) + 
 (D*s1234*s24*s34*z2)/(2*s123^2*s23) + (s12*s1234*s24*s34*z2)/
  (s123^2*s13*s23) + (s1234*s34^2*z2)/(s123^2*s13) - 
 (D*s1234*s34^2*z2)/(2*s123^2*s13) + (2*s1234*s34^2*z2)/(s123^2*s23) - 
 (D*s1234*s34^2*z2)/(2*s123^2*s23) + (3*s12*s1234*s34^2*z2)/
  (s123^2*s13*s23) - (D*s12*s1234*s34^2*z2)/(s123^2*s13*s23) - 
 (D*s1234*z1^2*z2)/(s12*z12^2) + (D*s1234*z1^2*z2)/(s124*z12^2) - 
 (D*s1234*s13*z1^2*z2)/(s12^2*z12^2) + (D*s1234*s13*z1^2*z2)/
  (s12*s124*z12^2) - (4*s1234*s14*z1^2*z2)/(s12^2*z12^2) - 
 (4*s1234*s14*z1^2*z2)/(s124^2*z12^2) + (D*s1234*s14*z1^2*z2)/
  (s124^2*z12^2) + (8*s1234*s14*z1^2*z2)/(s12*s124*z12^2) + 
 (D*s1234*s13*s14*z1^2*z2)/(s12^2*s124*z12^2) - 
 (8*s1234*s14^2*z1^2*z2)/(s12*s124^2*z12^2) + 
 (2*D*s1234*s14^2*z1^2*z2)/(s12*s124^2*z12^2) + 
 (8*s1234*s14^2*z1^2*z2)/(s12^2*s124*z12^2) - 
 (D*s1234*s14^2*z1^2*z2)/(s12^2*s124*z12^2) - 
 (4*s1234*s14^3*z1^2*z2)/(s12^2*s124^2*z12^2) + 
 (D*s1234*s14^3*z1^2*z2)/(s12^2*s124^2*z12^2) - 
 (D*s1234*s23*z1^2*z2)/(s12^2*z12^2) + (D*s1234*s23*z1^2*z2)/
  (s12*s124*z12^2) + (D*s1234*s14*s23*z1^2*z2)/(s12^2*s124*z12^2) - 
 (4*s1234*s24*z1^2*z2)/(s12^2*z12^2) - (4*s1234*s24*z1^2*z2)/(s124^2*z12^2) + 
 (D*s1234*s24*z1^2*z2)/(s124^2*z12^2) + (8*s1234*s24*z1^2*z2)/
  (s12*s124*z12^2) + (D*s1234*s13*s24*z1^2*z2)/(s12^2*s124*z12^2) - 
 (16*s1234*s14*s24*z1^2*z2)/(s12*s124^2*z12^2) + 
 (4*D*s1234*s14*s24*z1^2*z2)/(s12*s124^2*z12^2) + 
 (16*s1234*s14*s24*z1^2*z2)/(s12^2*s124*z12^2) - 
 (2*D*s1234*s14*s24*z1^2*z2)/(s12^2*s124*z12^2) - 
 (12*s1234*s14^2*s24*z1^2*z2)/(s12^2*s124^2*z12^2) + 
 (3*D*s1234*s14^2*s24*z1^2*z2)/(s12^2*s124^2*z12^2) + 
 (D*s1234*s23*s24*z1^2*z2)/(s12^2*s124*z12^2) - 
 (8*s1234*s24^2*z1^2*z2)/(s12*s124^2*z12^2) + 
 (2*D*s1234*s24^2*z1^2*z2)/(s12*s124^2*z12^2) + 
 (8*s1234*s24^2*z1^2*z2)/(s12^2*s124*z12^2) - 
 (D*s1234*s24^2*z1^2*z2)/(s12^2*s124*z12^2) - (12*s1234*s14*s24^2*z1^2*z2)/
  (s12^2*s124^2*z12^2) + (3*D*s1234*s14*s24^2*z1^2*z2)/(s12^2*s124^2*z12^2) - 
 (4*s1234*s24^3*z1^2*z2)/(s12^2*s124^2*z12^2) + 
 (D*s1234*s24^3*z1^2*z2)/(s12^2*s124^2*z12^2) + 
 (D*s1234*s34*z1^2*z2)/(s124^2*z12^2) - (D*s1234*s34*z1^2*z2)/
  (s12*s124*z12^2) + (2*D*s1234*s14*s34*z1^2*z2)/(s12*s124^2*z12^2) - 
 (D*s1234*s14*s34*z1^2*z2)/(s12^2*s124*z12^2) + 
 (D*s1234*s14^2*s34*z1^2*z2)/(s12^2*s124^2*z12^2) + 
 (2*D*s1234*s24*s34*z1^2*z2)/(s12*s124^2*z12^2) - 
 (D*s1234*s24*s34*z1^2*z2)/(s12^2*s124*z12^2) + 
 (2*D*s1234*s14*s24*s34*z1^2*z2)/(s12^2*s124^2*z12^2) + 
 (D*s1234*s24^2*s34*z1^2*z2)/(s12^2*s124^2*z12^2) + 
 (2*s1234*z1*z2)/(s12*z12) + (2*s1234*z1*z2)/(s124*z12) + 
 (3*D*s1234*s13*z1*z2)/(2*s12^2*z12) + (3*s1234*s13*z1*z2)/(s12*s124*z12) - 
 (D*s1234*s13*z1*z2)/(s12*s124*z12) + (6*s1234*s14*z1*z2)/(s12^2*z12) + 
 (3*s1234*s14*z1*z2)/(s124^2*z12) - (3*D*s1234*s14*z1*z2)/(2*s124^2*z12) - 
 (4*s1234*s14*z1*z2)/(s12*s124*z12) + (3*D*s1234*s14*z1*z2)/
  (2*s12*s124*z12) + (2*s1234*s13*s14*z1*z2)/(s12*s124^2*z12) - 
 (D*s1234*s13*s14*z1*z2)/(2*s12*s124^2*z12) - 
 (s1234*s13*s14*z1*z2)/(s12^2*s124*z12) - (D*s1234*s13*s14*z1*z2)/
  (2*s12^2*s124*z12) + (8*s1234*s14^2*z1*z2)/(s12*s124^2*z12) - 
 (3*D*s1234*s14^2*z1*z2)/(s12*s124^2*z12) - (9*s1234*s14^2*z1*z2)/
  (s12^2*s124*z12) + (3*D*s1234*s14^2*z1*z2)/(2*s12^2*s124*z12) + 
 (2*s1234*s13*s14^2*z1*z2)/(s12^2*s124^2*z12) - 
 (D*s1234*s13*s14^2*z1*z2)/(2*s12^2*s124^2*z12) + 
 (5*s1234*s14^3*z1*z2)/(s12^2*s124^2*z12) - (3*D*s1234*s14^3*z1*z2)/
  (2*s12^2*s124^2*z12) + (3*D*s1234*s23*z1*z2)/(2*s12^2*z12) + 
 (3*s1234*s23*z1*z2)/(s12*s124*z12) - (D*s1234*s23*z1*z2)/(s12*s124*z12) + 
 (2*s1234*s14*s23*z1*z2)/(s12*s124^2*z12) - (D*s1234*s14*s23*z1*z2)/
  (2*s12*s124^2*z12) - (s1234*s14*s23*z1*z2)/(s12^2*s124*z12) - 
 (D*s1234*s14*s23*z1*z2)/(2*s12^2*s124*z12) + 
 (2*s1234*s14^2*s23*z1*z2)/(s12^2*s124^2*z12) - 
 (D*s1234*s14^2*s23*z1*z2)/(2*s12^2*s124^2*z12) + 
 (6*s1234*s24*z1*z2)/(s12^2*z12) + (3*s1234*s24*z1*z2)/(s124^2*z12) - 
 (3*D*s1234*s24*z1*z2)/(2*s124^2*z12) - (4*s1234*s24*z1*z2)/(s12*s124*z12) + 
 (3*D*s1234*s24*z1*z2)/(2*s12*s124*z12) + (2*s1234*s13*s24*z1*z2)/
  (s12*s124^2*z12) - (D*s1234*s13*s24*z1*z2)/(2*s12*s124^2*z12) - 
 (s1234*s13*s24*z1*z2)/(s12^2*s124*z12) - (D*s1234*s13*s24*z1*z2)/
  (2*s12^2*s124*z12) + (16*s1234*s14*s24*z1*z2)/(s12*s124^2*z12) - 
 (6*D*s1234*s14*s24*z1*z2)/(s12*s124^2*z12) - 
 (18*s1234*s14*s24*z1*z2)/(s12^2*s124*z12) + (3*D*s1234*s14*s24*z1*z2)/
  (s12^2*s124*z12) + (4*s1234*s13*s14*s24*z1*z2)/(s12^2*s124^2*z12) - 
 (D*s1234*s13*s14*s24*z1*z2)/(s12^2*s124^2*z12) + 
 (15*s1234*s14^2*s24*z1*z2)/(s12^2*s124^2*z12) - 
 (9*D*s1234*s14^2*s24*z1*z2)/(2*s12^2*s124^2*z12) + 
 (2*s1234*s23*s24*z1*z2)/(s12*s124^2*z12) - (D*s1234*s23*s24*z1*z2)/
  (2*s12*s124^2*z12) - (s1234*s23*s24*z1*z2)/(s12^2*s124*z12) - 
 (D*s1234*s23*s24*z1*z2)/(2*s12^2*s124*z12) + (4*s1234*s14*s23*s24*z1*z2)/
  (s12^2*s124^2*z12) - (D*s1234*s14*s23*s24*z1*z2)/(s12^2*s124^2*z12) + 
 (8*s1234*s24^2*z1*z2)/(s12*s124^2*z12) - (3*D*s1234*s24^2*z1*z2)/
  (s12*s124^2*z12) - (9*s1234*s24^2*z1*z2)/(s12^2*s124*z12) + 
 (3*D*s1234*s24^2*z1*z2)/(2*s12^2*s124*z12) + 
 (2*s1234*s13*s24^2*z1*z2)/(s12^2*s124^2*z12) - 
 (D*s1234*s13*s24^2*z1*z2)/(2*s12^2*s124^2*z12) + 
 (15*s1234*s14*s24^2*z1*z2)/(s12^2*s124^2*z12) - 
 (9*D*s1234*s14*s24^2*z1*z2)/(2*s12^2*s124^2*z12) + 
 (2*s1234*s23*s24^2*z1*z2)/(s12^2*s124^2*z12) - 
 (D*s1234*s23*s24^2*z1*z2)/(2*s12^2*s124^2*z12) + 
 (5*s1234*s24^3*z1*z2)/(s12^2*s124^2*z12) - (3*D*s1234*s24^3*z1*z2)/
  (2*s12^2*s124^2*z12) - (s1234*s13*z1*z2)/(s12*s34*z12) + 
 (D*s1234*s13*z1*z2)/(2*s12*s34*z12) - (s1234*s13^2*z1*z2)/(s12^2*s34*z12) + 
 (D*s1234*s13^2*z1*z2)/(2*s12^2*s34*z12) + (s1234*s14*z1*z2)/(s12*s34*z12) + 
 (D*s1234*s13*s14*z1*z2)/(2*s12^2*s34*z12) + 
 (s1234*s14^2*z1*z2)/(s12^2*s34*z12) - (s1234*s14^2*z1*z2)/
  (s12*s124*s34*z12) - (s1234*s13*s14^2*z1*z2)/(s12^2*s124*s34*z12) - 
 (s1234*s14^3*z1*z2)/(s12^2*s124*s34*z12) - (s1234*s23*z1*z2)/(s12*s34*z12) + 
 (D*s1234*s23*z1*z2)/(2*s12*s34*z12) - (2*s1234*s13*s23*z1*z2)/
  (s12^2*s34*z12) + (D*s1234*s13*s23*z1*z2)/(s12^2*s34*z12) + 
 (D*s1234*s14*s23*z1*z2)/(2*s12^2*s34*z12) - (s1234*s14^2*s23*z1*z2)/
  (s12^2*s124*s34*z12) - (s1234*s23^2*z1*z2)/(s12^2*s34*z12) + 
 (D*s1234*s23^2*z1*z2)/(2*s12^2*s34*z12) + (s1234*s24*z1*z2)/(s12*s34*z12) + 
 (D*s1234*s13*s24*z1*z2)/(2*s12^2*s34*z12) + (2*s1234*s14*s24*z1*z2)/
  (s12^2*s34*z12) - (2*s1234*s14*s24*z1*z2)/(s12*s124*s34*z12) - 
 (2*s1234*s13*s14*s24*z1*z2)/(s12^2*s124*s34*z12) - 
 (3*s1234*s14^2*s24*z1*z2)/(s12^2*s124*s34*z12) + 
 (D*s1234*s23*s24*z1*z2)/(2*s12^2*s34*z12) - (2*s1234*s14*s23*s24*z1*z2)/
  (s12^2*s124*s34*z12) + (s1234*s24^2*z1*z2)/(s12^2*s34*z12) - 
 (s1234*s24^2*z1*z2)/(s12*s124*s34*z12) - (s1234*s13*s24^2*z1*z2)/
  (s12^2*s124*s34*z12) - (3*s1234*s14*s24^2*z1*z2)/(s12^2*s124*s34*z12) - 
 (s1234*s23*s24^2*z1*z2)/(s12^2*s124*s34*z12) - 
 (s1234*s24^3*z1*z2)/(s12^2*s124*s34*z12) + 
 (4*s1234*s34*z1*z2)/(s12*s124*z12) + (2*s1234*s14*s34*z1*z2)/
  (s12*s124^2*z12) - (3*D*s1234*s14*s34*z1*z2)/(2*s12*s124^2*z12) + 
 (3*D*s1234*s14*s34*z1*z2)/(2*s12^2*s124*z12) + 
 (2*s1234*s14^2*s34*z1*z2)/(s12^2*s124^2*z12) - 
 (3*D*s1234*s14^2*s34*z1*z2)/(2*s12^2*s124^2*z12) + 
 (2*s1234*s24*s34*z1*z2)/(s12*s124^2*z12) - (3*D*s1234*s24*s34*z1*z2)/
  (2*s12*s124^2*z12) + (3*D*s1234*s24*s34*z1*z2)/(2*s12^2*s124*z12) + 
 (4*s1234*s14*s24*s34*z1*z2)/(s12^2*s124^2*z12) - 
 (3*D*s1234*s14*s24*s34*z1*z2)/(s12^2*s124^2*z12) + 
 (2*s1234*s24^2*s34*z1*z2)/(s12^2*s124^2*z12) - 
 (3*D*s1234*s24^2*s34*z1*z2)/(2*s12^2*s124^2*z12) + 
 (4*s1234*s14*z1*z2)/(s123^2*z123) + (5*s12*s1234*s14*z1*z2)/
  (s123^2*s13*z123) + (3*s1234*s14^2*z1*z2)/(s123^2*s13*z123) + 
 (3*s12*s1234*s14*z1*z2)/(s123^2*s23*z123) + (2*s12^2*s1234*s14*z1*z2)/
  (s123^2*s13*s23*z123) + (s1234*s13*s14*z1*z2)/(s123^2*s23*z123) + 
 (s1234*s14^2*z1*z2)/(s123^2*s23*z123) + (2*s12*s1234*s14^2*z1*z2)/
  (s123^2*s13*s23*z123) + (3*s1234*s14*s23*z1*z2)/(s123^2*s13*z123) + 
 (4*s1234*s24*z1*z2)/(s123^2*z123) + (3*s12*s1234*s24*z1*z2)/
  (s123^2*s13*z123) + (4*s1234*s14*s24*z1*z2)/(s123^2*s13*z123) + 
 (5*s12*s1234*s24*z1*z2)/(s123^2*s23*z123) + (2*s12^2*s1234*s24*z1*z2)/
  (s123^2*s13*s23*z123) + (3*s1234*s13*s24*z1*z2)/(s123^2*s23*z123) + 
 (4*s1234*s14*s24*z1*z2)/(s123^2*s23*z123) + (4*s12*s1234*s14*s24*z1*z2)/
  (s123^2*s13*s23*z123) + (s1234*s23*s24*z1*z2)/(s123^2*s13*z123) + 
 (s1234*s24^2*z1*z2)/(s123^2*s13*z123) + (3*s1234*s24^2*z1*z2)/
  (s123^2*s23*z123) + (2*s12*s1234*s24^2*z1*z2)/(s123^2*s13*s23*z123) + 
 (10*s1234*s34*z1*z2)/(s123^2*z123) - (2*D*s1234*s34*z1*z2)/(s123^2*z123) + 
 (7*s12*s1234*s34*z1*z2)/(s123^2*s13*z123) - (D*s12*s1234*s34*z1*z2)/
  (s123^2*s13*z123) + (8*s1234*s14*s34*z1*z2)/(s123^2*s13*z123) - 
 (D*s1234*s14*s34*z1*z2)/(s123^2*s13*z123) + (7*s12*s1234*s34*z1*z2)/
  (s123^2*s23*z123) - (D*s12*s1234*s34*z1*z2)/(s123^2*s23*z123) + 
 (2*s12^2*s1234*s34*z1*z2)/(s123^2*s13*s23*z123) + 
 (5*s1234*s13*s34*z1*z2)/(s123^2*s23*z123) - (D*s1234*s13*s34*z1*z2)/
  (s123^2*s23*z123) + (6*s1234*s14*s34*z1*z2)/(s123^2*s23*z123) - 
 (D*s1234*s14*s34*z1*z2)/(s123^2*s23*z123) + (4*s12*s1234*s14*s34*z1*z2)/
  (s123^2*s13*s23*z123) + (5*s1234*s23*s34*z1*z2)/(s123^2*s13*z123) - 
 (D*s1234*s23*s34*z1*z2)/(s123^2*s13*z123) + (6*s1234*s24*s34*z1*z2)/
  (s123^2*s13*z123) - (D*s1234*s24*s34*z1*z2)/(s123^2*s13*z123) + 
 (8*s1234*s24*s34*z1*z2)/(s123^2*s23*z123) - (D*s1234*s24*s34*z1*z2)/
  (s123^2*s23*z123) + (4*s12*s1234*s24*s34*z1*z2)/(s123^2*s13*s23*z123) + 
 (5*s1234*s34^2*z1*z2)/(s123^2*s13*z123) - (D*s1234*s34^2*z1*z2)/
  (s123^2*s13*z123) + (5*s1234*s34^2*z1*z2)/(s123^2*s23*z123) - 
 (D*s1234*s34^2*z1*z2)/(s123^2*s23*z123) + (2*s12*s1234*s34^2*z1*z2)/
  (s123^2*s13*s23*z123) - (D*s1234*z1*z2^2)/(s12*z12^2) + 
 (D*s1234*z1*z2^2)/(s124*z12^2) - (D*s1234*s13*z1*z2^2)/(s12^2*z12^2) + 
 (D*s1234*s13*z1*z2^2)/(s12*s124*z12^2) - (4*s1234*s14*z1*z2^2)/
  (s12^2*z12^2) - (4*s1234*s14*z1*z2^2)/(s124^2*z12^2) + 
 (D*s1234*s14*z1*z2^2)/(s124^2*z12^2) + (8*s1234*s14*z1*z2^2)/
  (s12*s124*z12^2) + (D*s1234*s13*s14*z1*z2^2)/(s12^2*s124*z12^2) - 
 (8*s1234*s14^2*z1*z2^2)/(s12*s124^2*z12^2) + 
 (2*D*s1234*s14^2*z1*z2^2)/(s12*s124^2*z12^2) + 
 (8*s1234*s14^2*z1*z2^2)/(s12^2*s124*z12^2) - 
 (D*s1234*s14^2*z1*z2^2)/(s12^2*s124*z12^2) - 
 (4*s1234*s14^3*z1*z2^2)/(s12^2*s124^2*z12^2) + 
 (D*s1234*s14^3*z1*z2^2)/(s12^2*s124^2*z12^2) - 
 (D*s1234*s23*z1*z2^2)/(s12^2*z12^2) + (D*s1234*s23*z1*z2^2)/
  (s12*s124*z12^2) + (D*s1234*s14*s23*z1*z2^2)/(s12^2*s124*z12^2) - 
 (4*s1234*s24*z1*z2^2)/(s12^2*z12^2) - (4*s1234*s24*z1*z2^2)/(s124^2*z12^2) + 
 (D*s1234*s24*z1*z2^2)/(s124^2*z12^2) + (8*s1234*s24*z1*z2^2)/
  (s12*s124*z12^2) + (D*s1234*s13*s24*z1*z2^2)/(s12^2*s124*z12^2) - 
 (16*s1234*s14*s24*z1*z2^2)/(s12*s124^2*z12^2) + 
 (4*D*s1234*s14*s24*z1*z2^2)/(s12*s124^2*z12^2) + 
 (16*s1234*s14*s24*z1*z2^2)/(s12^2*s124*z12^2) - 
 (2*D*s1234*s14*s24*z1*z2^2)/(s12^2*s124*z12^2) - 
 (12*s1234*s14^2*s24*z1*z2^2)/(s12^2*s124^2*z12^2) + 
 (3*D*s1234*s14^2*s24*z1*z2^2)/(s12^2*s124^2*z12^2) + 
 (D*s1234*s23*s24*z1*z2^2)/(s12^2*s124*z12^2) - 
 (8*s1234*s24^2*z1*z2^2)/(s12*s124^2*z12^2) + 
 (2*D*s1234*s24^2*z1*z2^2)/(s12*s124^2*z12^2) + 
 (8*s1234*s24^2*z1*z2^2)/(s12^2*s124*z12^2) - 
 (D*s1234*s24^2*z1*z2^2)/(s12^2*s124*z12^2) - (12*s1234*s14*s24^2*z1*z2^2)/
  (s12^2*s124^2*z12^2) + (3*D*s1234*s14*s24^2*z1*z2^2)/(s12^2*s124^2*z12^2) - 
 (4*s1234*s24^3*z1*z2^2)/(s12^2*s124^2*z12^2) + 
 (D*s1234*s24^3*z1*z2^2)/(s12^2*s124^2*z12^2) + 
 (D*s1234*s34*z1*z2^2)/(s124^2*z12^2) - (D*s1234*s34*z1*z2^2)/
  (s12*s124*z12^2) + (2*D*s1234*s14*s34*z1*z2^2)/(s12*s124^2*z12^2) - 
 (D*s1234*s14*s34*z1*z2^2)/(s12^2*s124*z12^2) + 
 (D*s1234*s14^2*s34*z1*z2^2)/(s12^2*s124^2*z12^2) + 
 (2*D*s1234*s24*s34*z1*z2^2)/(s12*s124^2*z12^2) - 
 (D*s1234*s24*s34*z1*z2^2)/(s12^2*s124*z12^2) + 
 (2*D*s1234*s14*s24*s34*z1*z2^2)/(s12^2*s124^2*z12^2) + 
 (D*s1234*s24^2*s34*z1*z2^2)/(s12^2*s124^2*z12^2) - (s1234*z2^2)/(s12*z12) + 
 (s1234*z2^2)/(s124*z12) + (D*s1234*s13*z2^2)/(2*s12^2*z12) + 
 (s1234*s13*z2^2)/(s12*s124*z12) - (D*s1234*s13*z2^2)/(s12*s124*z12) + 
 (2*s1234*s14*z2^2)/(s12^2*z12) + (2*s1234*s14*z2^2)/(s124^2*z12) - 
 (D*s1234*s14*z2^2)/(2*s124^2*z12) - (6*s1234*s14*z2^2)/(s12*s124*z12) + 
 (D*s1234*s14*z2^2)/(2*s12*s124*z12) - (2*s1234*s13*s14*z2^2)/
  (s12*s124^2*z12) + (D*s1234*s13*s14*z2^2)/(2*s12*s124^2*z12) + 
 (s1234*s13*s14*z2^2)/(s12^2*s124*z12) - (3*D*s1234*s13*s14*z2^2)/
  (2*s12^2*s124*z12) + (5*s1234*s14^2*z2^2)/(s12*s124^2*z12) - 
 (D*s1234*s14^2*z2^2)/(s12*s124^2*z12) - (7*s1234*s14^2*z2^2)/
  (s12^2*s124*z12) + (D*s1234*s14^2*z2^2)/(2*s12^2*s124*z12) - 
 (2*s1234*s13*s14^2*z2^2)/(s12^2*s124^2*z12) + 
 (D*s1234*s13*s14^2*z2^2)/(2*s12^2*s124^2*z12) + 
 (3*s1234*s14^3*z2^2)/(s12^2*s124^2*z12) - (D*s1234*s14^3*z2^2)/
  (2*s12^2*s124^2*z12) - (2*s1234*s14*s23*z2^2)/(s12*s124^2*z12) - 
 (s1234*s14*s23*z2^2)/(s12^2*s124*z12) - (2*s1234*s14^2*s23*z2^2)/
  (s12^2*s124^2*z12) - (s1234*s24*z2^2)/(s124^2*z12) + 
 (2*s1234*s24*z2^2)/(s12*s124*z12) + (D*s1234*s13*s24*z2^2)/
  (2*s12*s124^2*z12) + (2*s1234*s13*s24*z2^2)/(s12^2*s124*z12) - 
 (3*D*s1234*s13*s24*z2^2)/(2*s12^2*s124*z12) + 
 (4*s1234*s14*s24*z2^2)/(s12*s124^2*z12) - (D*s1234*s14*s24*z2^2)/
  (s12*s124^2*z12) - (7*s1234*s14*s24*z2^2)/(s12^2*s124*z12) + 
 (D*s1234*s14*s24*z2^2)/(2*s12^2*s124*z12) - (2*s1234*s13*s14*s24*z2^2)/
  (s12^2*s124^2*z12) + (D*s1234*s13*s14*s24*z2^2)/(s12^2*s124^2*z12) + 
 (6*s1234*s14^2*s24*z2^2)/(s12^2*s124^2*z12) - 
 (D*s1234*s14^2*s24*z2^2)/(s12^2*s124^2*z12) - 
 (2*s1234*s14*s23*s24*z2^2)/(s12^2*s124^2*z12) - 
 (s1234*s24^2*z2^2)/(s12*s124^2*z12) + (D*s1234*s13*s24^2*z2^2)/
  (2*s12^2*s124^2*z12) + (3*s1234*s14*s24^2*z2^2)/(s12^2*s124^2*z12) - 
 (D*s1234*s14*s24^2*z2^2)/(2*s12^2*s124^2*z12) + 
 (s1234*s13*z2^2)/(s12*s34*z12) - (D*s1234*s13*z2^2)/(2*s12*s34*z12) + 
 (s1234*s13^2*z2^2)/(s12^2*s34*z12) - (D*s1234*s13^2*z2^2)/
  (2*s12^2*s34*z12) - (s1234*s14*z2^2)/(s12*s34*z12) - 
 (D*s1234*s13*s14*z2^2)/(2*s12^2*s34*z12) - 
 (s1234*s14^2*z2^2)/(s12^2*s34*z12) + (s1234*s14^2*z2^2)/(s12*s124*s34*z12) + 
 (s1234*s13*s14^2*z2^2)/(s12^2*s124*s34*z12) + 
 (s1234*s14^3*z2^2)/(s12^2*s124*s34*z12) + (s1234*s13*s23*z2^2)/
  (s12^2*s34*z12) - (D*s1234*s13*s23*z2^2)/(2*s12^2*s34*z12) + 
 (s1234*s14*s23*z2^2)/(s12^2*s34*z12) - (D*s1234*s14*s23*z2^2)/
  (2*s12^2*s34*z12) - (3*s1234*s14*s23*z2^2)/(s12*s124*s34*z12) + 
 (D*s1234*s14*s23*z2^2)/(2*s12*s124*s34*z12) - 
 (s1234*s13*s14*s23*z2^2)/(s12^2*s124*s34*z12) - 
 (2*s1234*s14^2*s23*z2^2)/(s12^2*s124*s34*z12) + 
 (D*s1234*s14^2*s23*z2^2)/(2*s12^2*s124*s34*z12) - 
 (s1234*s14*s23^2*z2^2)/(s12^2*s124*s34*z12) - 
 (s1234*s13*s24*z2^2)/(s12^2*s34*z12) + (3*s1234*s13*s24*z2^2)/
  (s12*s124*s34*z12) - (D*s1234*s13*s24*z2^2)/(2*s12*s124*s34*z12) + 
 (s1234*s13^2*s24*z2^2)/(s12^2*s124*s34*z12) - 
 (s1234*s14*s24*z2^2)/(s12^2*s34*z12) + (s1234*s14*s24*z2^2)/
  (s12*s124*s34*z12) + (4*s1234*s13*s14*s24*z2^2)/(s12^2*s124*s34*z12) - 
 (D*s1234*s13*s14*s24*z2^2)/(2*s12^2*s124*s34*z12) + 
 (2*s1234*s14^2*s24*z2^2)/(s12^2*s124*s34*z12) + 
 (s1234*s13*s23*s24*z2^2)/(s12^2*s124*s34*z12) - 
 (2*s1234*s14*s23*s24*z2^2)/(s12^2*s124*s34*z12) + 
 (D*s1234*s14*s23*s24*z2^2)/(2*s12^2*s124*s34*z12) + 
 (3*s1234*s13*s24^2*z2^2)/(s12^2*s124*s34*z12) - 
 (D*s1234*s13*s24^2*z2^2)/(2*s12^2*s124*s34*z12) + 
 (s1234*s14*s24^2*z2^2)/(s12^2*s124*s34*z12) - 
 (2*s1234*s14*s34*z2^2)/(s12*s124^2*z12) - (D*s1234*s14*s34*z2^2)/
  (2*s12*s124^2*z12) + (D*s1234*s14*s34*z2^2)/(2*s12^2*s124*z12) - 
 (2*s1234*s14^2*s34*z2^2)/(s12^2*s124^2*z12) - 
 (D*s1234*s14^2*s34*z2^2)/(2*s12^2*s124^2*z12) - 
 (2*s1234*s14*s24*s34*z2^2)/(s12^2*s124^2*z12) - 
 (D*s1234*s14*s24*s34*z2^2)/(2*s12^2*s124^2*z12) - 
 (4*s1234*s14*z2^2)/(s123^2*z123) - (3*s12*s1234*s14*z2^2)/
  (s123^2*s13*z123) - (s1234*s14^2*z2^2)/(s123^2*s13*z123) - 
 (5*s12*s1234*s14*z2^2)/(s123^2*s23*z123) - (2*s12^2*s1234*s14*z2^2)/
  (s123^2*s13*s23*z123) - (3*s1234*s13*s14*z2^2)/(s123^2*s23*z123) - 
 (3*s1234*s14^2*z2^2)/(s123^2*s23*z123) - (2*s12*s1234*s14^2*z2^2)/
  (s123^2*s13*s23*z123) - (s1234*s14*s23*z2^2)/(s123^2*s13*z123) - 
 (s1234*s14*s24*z2^2)/(s123^2*s13*z123) - (3*s1234*s14*s24*z2^2)/
  (s123^2*s23*z123) - (2*s12*s1234*s14*s24*z2^2)/(s123^2*s13*s23*z123) + 
 (s1234*s34*z2^2)/(s123^2*z123) - (D*s1234*s34*z2^2)/(s123^2*z123) - 
 (D*s12*s1234*s34*z2^2)/(2*s123^2*s13*z123) - 
 (D*s1234*s14*s34*z2^2)/(2*s123^2*s13*z123) - 
 (s12*s1234*s34*z2^2)/(s123^2*s23*z123) - (D*s12*s1234*s34*z2^2)/
  (2*s123^2*s23*z123) - (s12^2*s1234*s34*z2^2)/(s123^2*s13*s23*z123) - 
 (D*s1234*s13*s34*z2^2)/(2*s123^2*s23*z123) - 
 (3*s1234*s14*s34*z2^2)/(s123^2*s23*z123) - (D*s1234*s14*s34*z2^2)/
  (2*s123^2*s23*z123) - (3*s12*s1234*s14*s34*z2^2)/(s123^2*s13*s23*z123) + 
 (s1234*s23*s34*z2^2)/(s123^2*s13*z123) - (D*s1234*s23*s34*z2^2)/
  (2*s123^2*s13*z123) + (s1234*s24*s34*z2^2)/(s123^2*s13*z123) - 
 (D*s1234*s24*s34*z2^2)/(2*s123^2*s13*z123) - 
 (D*s1234*s24*s34*z2^2)/(2*s123^2*s23*z123) - 
 (s12*s1234*s24*s34*z2^2)/(s123^2*s13*s23*z123) + 
 (s1234*s34^2*z2^2)/(s123^2*s13*z123) - (D*s1234*s34^2*z2^2)/
  (2*s123^2*s13*z123) - (D*s1234*s34^2*z2^2)/(2*s123^2*s23*z123) - 
 (s12*s1234*s34^2*z2^2)/(s123^2*s13*s23*z123) + (s1234*z1^2)/(s12*z3) - 
 (D*s1234*z1^2)/(2*s12*z3) + (s1234*s13*z1^2)/(s12*s124*z3) - 
 (D*s1234*s13*z1^2)/(2*s12*s124*z3) - (2*s1234*s14*z1^2)/(s12*s124*z3) + 
 (D*s1234*s14*z1^2)/(s12*s124*z3) - (2*s1234*s13*s14*z1^2)/(s12*s124^2*z3) + 
 (D*s1234*s13*s14*z1^2)/(s12*s124^2*z3) - (s1234*s23*z1^2)/(s12^2*z3) + 
 (2*s1234*s23*z1^2)/(s12*s124*z3) - (D*s1234*s23*z1^2)/(2*s12*s124*z3) - 
 (3*s1234*s14*s23*z1^2)/(s12*s124^2*z3) + (D*s1234*s14*s23*z1^2)/
  (s12*s124^2*z3) + (2*s1234*s14*s23*z1^2)/(s12^2*s124*z3) - 
 (s1234*s14^2*s23*z1^2)/(s12^2*s124^2*z3) - (s1234*s24*z1^2)/(s12^2*z3) - 
 (4*s1234*s24*z1^2)/(s12*s124*z3) + (D*s1234*s24*z1^2)/(s12*s124*z3) - 
 (4*s1234*s13*s24*z1^2)/(s12*s124^2*z3) + (D*s1234*s13*s24*z1^2)/
  (s12*s124^2*z3) - (s1234*s13*s24*z1^2)/(s12^2*s124*z3) + 
 (2*s1234*s14*s24*z1^2)/(s12^2*s124*z3) + (2*s1234*s13*s14*s24*z1^2)/
  (s12^2*s124^2*z3) - (3*s1234*s23*s24*z1^2)/(s12*s124^2*z3) + 
 (D*s1234*s23*s24*z1^2)/(s12*s124^2*z3) - (s1234*s23*s24*z1^2)/
  (s12^2*s124*z3) + (2*s1234*s14*s23*s24*z1^2)/(s12^2*s124^2*z3) - 
 (2*s1234*s24^2*z1^2)/(s12^2*s124*z3) - (2*s1234*s13*s24^2*z1^2)/
  (s12^2*s124^2*z3) - (s1234*s23*s24^2*z1^2)/(s12^2*s124^2*z3) + 
 (2*s1234*s34*z1^2)/(s124^2*z3) - (D*s1234*s34*z1^2)/(2*s124^2*z3) - 
 (s1234*s34*z1^2)/(s12*s124*z3) + (D*s1234*s14*s34*z1^2)/(2*s12*s124^2*z3) - 
 (s1234*s24*s34*z1^2)/(s12*s124^2*z3) + (D*s1234*s24*s34*z1^2)/
  (2*s12*s124^2*z3) - (2*s1234*s24*s34*z1^2)/(s12^2*s124*z3) + 
 (3*s1234*s14*s24*s34*z1^2)/(s12^2*s124^2*z3) - 
 (s1234*s24^2*s34*z1^2)/(s12^2*s124^2*z3) + (s1234*s23*z1^3)/(s12^2*z12*z3) - 
 (s1234*s23*z1^3)/(s12*s124*z12*z3) + (s1234*s14*s23*z1^3)/
  (s12*s124^2*z12*z3) - (2*s1234*s14*s23*z1^3)/(s12^2*s124*z12*z3) + 
 (s1234*s14^2*s23*z1^3)/(s12^2*s124^2*z12*z3) + 
 (s1234*s24*z1^3)/(s12^2*z12*z3) - (2*s1234*s24*z1^3)/(s12*s124*z12*z3) - 
 (2*s1234*s13*s24*z1^3)/(s12*s124^2*z12*z3) + 
 (s1234*s13*s24*z1^3)/(s12^2*s124*z12*z3) - (2*s1234*s14*s24*z1^3)/
  (s12^2*s124*z12*z3) - (2*s1234*s13*s14*s24*z1^3)/(s12^2*s124^2*z12*z3) - 
 (s1234*s23*s24*z1^3)/(s12*s124^2*z12*z3) - 
 (s1234*s23*s24*z1^3)/(s12^2*s124*z12*z3) - 
 (2*s1234*s24^2*z1^3)/(s12^2*s124*z12*z3) - (2*s1234*s13*s24^2*z1^3)/
  (s12^2*s124^2*z12*z3) - (s1234*s23*s24^2*z1^3)/(s12^2*s124^2*z12*z3) - 
 (3*s1234*s24*s34*z1^3)/(s12*s124^2*z12*z3) + 
 (2*s1234*s24*s34*z1^3)/(s12^2*s124*z12*z3) - 
 (3*s1234*s14*s24*s34*z1^3)/(s12^2*s124^2*z12*z3) - 
 (3*s1234*s24^2*s34*z1^3)/(s12^2*s124^2*z12*z3) + (4*s1234*z1*z2)/(s12*z3) - 
 (D*s1234*z1*z2)/(s12*z3) + (s1234*s13*z1*z2)/(s12^2*z3) + 
 (3*s1234*s13*z1*z2)/(s12*s124*z3) - (D*s1234*s13*z1*z2)/(s12*s124*z3) + 
 (s1234*s14*z1*z2)/(s12^2*z3) - (6*s1234*s14*z1*z2)/(s12*s124*z3) + 
 (2*D*s1234*s14*z1*z2)/(s12*s124*z3) - (5*s1234*s13*s14*z1*z2)/
  (s12*s124^2*z3) + (2*D*s1234*s13*s14*z1*z2)/(s12*s124^2*z3) - 
 (s1234*s13*s14*z1*z2)/(s12^2*s124*z3) - (2*s1234*s14^2*z1*z2)/
  (s12^2*s124*z3) - (s1234*s13*s14^2*z1*z2)/(s12^2*s124^2*z3) + 
 (s1234*s23*z1*z2)/(s12^2*z3) + (3*s1234*s23*z1*z2)/(s12*s124*z3) - 
 (D*s1234*s23*z1*z2)/(s12*s124*z3) - (7*s1234*s14*s23*z1*z2)/
  (s12*s124^2*z3) + (2*D*s1234*s14*s23*z1*z2)/(s12*s124^2*z3) + 
 (s1234*s14*s23*z1*z2)/(s12^2*s124*z3) - (3*s1234*s14^2*s23*z1*z2)/
  (s12^2*s124^2*z3) + (s1234*s24*z1*z2)/(s12^2*z3) - 
 (6*s1234*s24*z1*z2)/(s12*s124*z3) + (2*D*s1234*s24*z1*z2)/(s12*s124*z3) - 
 (7*s1234*s13*s24*z1*z2)/(s12*s124^2*z3) + (2*D*s1234*s13*s24*z1*z2)/
  (s12*s124^2*z3) + (s1234*s13*s24*z1*z2)/(s12^2*s124*z3) + 
 (4*s1234*s14*s24*z1*z2)/(s12^2*s124*z3) + (4*s1234*s13*s14*s24*z1*z2)/
  (s12^2*s124^2*z3) - (5*s1234*s23*s24*z1*z2)/(s12*s124^2*z3) + 
 (2*D*s1234*s23*s24*z1*z2)/(s12*s124^2*z3) - 
 (s1234*s23*s24*z1*z2)/(s12^2*s124*z3) + (4*s1234*s14*s23*s24*z1*z2)/
  (s12^2*s124^2*z3) - (2*s1234*s24^2*z1*z2)/(s12^2*s124*z3) - 
 (3*s1234*s13*s24^2*z1*z2)/(s12^2*s124^2*z3) - 
 (s1234*s23*s24^2*z1*z2)/(s12^2*s124^2*z3) + (2*s1234*s34*z1*z2)/(s12^2*z3) + 
 (4*s1234*s34*z1*z2)/(s124^2*z3) - (D*s1234*s34*z1*z2)/(s124^2*z3) - 
 (2*s1234*s34*z1*z2)/(s12*s124*z3) - (s1234*s14*s34*z1*z2)/(s12*s124^2*z3) + 
 (D*s1234*s14*s34*z1*z2)/(s12*s124^2*z3) - (2*s1234*s14*s34*z1*z2)/
  (s12^2*s124*z3) - (s1234*s14^2*s34*z1*z2)/(s12^2*s124^2*z3) - 
 (s1234*s24*s34*z1*z2)/(s12*s124^2*z3) + (D*s1234*s24*s34*z1*z2)/
  (s12*s124^2*z3) - (2*s1234*s24*s34*z1*z2)/(s12^2*s124*z3) + 
 (6*s1234*s14*s24*s34*z1*z2)/(s12^2*s124^2*z3) - 
 (s1234*s24^2*s34*z1*z2)/(s12^2*s124^2*z3) + 
 (2*s1234*s34*z1^3*z2)/(s12^2*z12^2*z3) + (2*s1234*s34*z1^3*z2)/
  (s124^2*z12^2*z3) - (4*s1234*s34*z1^3*z2)/(s12*s124*z12^2*z3) + 
 (4*s1234*s14*s34*z1^3*z2)/(s12*s124^2*z12^2*z3) - 
 (4*s1234*s14*s34*z1^3*z2)/(s12^2*s124*z12^2*z3) + 
 (2*s1234*s14^2*s34*z1^3*z2)/(s12^2*s124^2*z12^2*z3) + 
 (4*s1234*s24*s34*z1^3*z2)/(s12*s124^2*z12^2*z3) - 
 (4*s1234*s24*s34*z1^3*z2)/(s12^2*s124*z12^2*z3) + 
 (4*s1234*s14*s24*s34*z1^3*z2)/(s12^2*s124^2*z12^2*z3) + 
 (2*s1234*s24^2*s34*z1^3*z2)/(s12^2*s124^2*z12^2*z3) - 
 (s1234*s13*z1^2*z2)/(s12^2*z12*z3) + (s1234*s13*z1^2*z2)/(s12*s124*z12*z3) - 
 (s1234*s14*z1^2*z2)/(s12^2*z12*z3) + (2*s1234*s14*z1^2*z2)/
  (s12*s124*z12*z3) + (s1234*s13*s14*z1^2*z2)/(s12*s124^2*z12*z3) + 
 (s1234*s13*s14*z1^2*z2)/(s12^2*s124*z12*z3) + 
 (2*s1234*s14^2*z1^2*z2)/(s12^2*s124*z12*z3) + 
 (s1234*s13*s14^2*z1^2*z2)/(s12^2*s124^2*z12*z3) + 
 (2*s1234*s14*s23*z1^2*z2)/(s12*s124^2*z12*z3) - 
 (s1234*s14*s23*z1^2*z2)/(s12^2*s124*z12*z3) + 
 (2*s1234*s14^2*s23*z1^2*z2)/(s12^2*s124^2*z12*z3) - 
 (s1234*s13*s24*z1^2*z2)/(s12*s124^2*z12*z3) + 
 (2*s1234*s13*s24*z1^2*z2)/(s12^2*s124*z12*z3) + 
 (2*s1234*s14*s24*z1^2*z2)/(s12^2*s124*z12*z3) + 
 (2*s1234*s14*s23*s24*z1^2*z2)/(s12^2*s124^2*z12*z3) - 
 (s1234*s13*s24^2*z1^2*z2)/(s12^2*s124^2*z12*z3) - 
 (4*s1234*s34*z1^2*z2)/(s12^2*z12*z3) + (4*s1234*s34*z1^2*z2)/
  (s12*s124*z12*z3) - (s1234*s14*s34*z1^2*z2)/(s12*s124^2*z12*z3) + 
 (6*s1234*s14*s34*z1^2*z2)/(s12^2*s124*z12*z3) - 
 (s1234*s14^2*s34*z1^2*z2)/(s12^2*s124^2*z12*z3) - 
 (4*s1234*s24*s34*z1^2*z2)/(s12*s124^2*z12*z3) + 
 (8*s1234*s24*s34*z1^2*z2)/(s12^2*s124*z12*z3) - 
 (5*s1234*s14*s24*s34*z1^2*z2)/(s12^2*s124^2*z12*z3) - 
 (4*s1234*s24^2*s34*z1^2*z2)/(s12^2*s124^2*z12*z3) + (s1234*z2^2)/(s12*z3) - 
 (D*s1234*z2^2)/(2*s12*z3) - (s1234*s13*z2^2)/(s12^2*z3) + 
 (2*s1234*s13*z2^2)/(s12*s124*z3) - (D*s1234*s13*z2^2)/(2*s12*s124*z3) - 
 (s1234*s14*z2^2)/(s12^2*z3) - (4*s1234*s14*z2^2)/(s12*s124*z3) + 
 (D*s1234*s14*z2^2)/(s12*s124*z3) - (3*s1234*s13*s14*z2^2)/(s12*s124^2*z3) + 
 (D*s1234*s13*s14*z2^2)/(s12*s124^2*z3) - (s1234*s13*s14*z2^2)/
  (s12^2*s124*z3) - (2*s1234*s14^2*z2^2)/(s12^2*s124*z3) - 
 (s1234*s13*s14^2*z2^2)/(s12^2*s124^2*z3) + (s1234*s23*z2^2)/(s12*s124*z3) - 
 (D*s1234*s23*z2^2)/(2*s12*s124*z3) - (4*s1234*s14*s23*z2^2)/
  (s12*s124^2*z3) + (D*s1234*s14*s23*z2^2)/(s12*s124^2*z3) - 
 (s1234*s14*s23*z2^2)/(s12^2*s124*z3) - (2*s1234*s14^2*s23*z2^2)/
  (s12^2*s124^2*z3) - (2*s1234*s24*z2^2)/(s12*s124*z3) + 
 (D*s1234*s24*z2^2)/(s12*s124*z3) - (3*s1234*s13*s24*z2^2)/(s12*s124^2*z3) + 
 (D*s1234*s13*s24*z2^2)/(s12*s124^2*z3) + (2*s1234*s13*s24*z2^2)/
  (s12^2*s124*z3) + (2*s1234*s14*s24*z2^2)/(s12^2*s124*z3) + 
 (2*s1234*s13*s14*s24*z2^2)/(s12^2*s124^2*z3) - 
 (2*s1234*s23*s24*z2^2)/(s12*s124^2*z3) + (D*s1234*s23*s24*z2^2)/
  (s12*s124^2*z3) + (2*s1234*s14*s23*s24*z2^2)/(s12^2*s124^2*z3) - 
 (s1234*s13*s24^2*z2^2)/(s12^2*s124^2*z3) + (2*s1234*s34*z2^2)/(s124^2*z3) - 
 (D*s1234*s34*z2^2)/(2*s124^2*z3) - (s1234*s34*z2^2)/(s12*s124*z3) - 
 (s1234*s14*s34*z2^2)/(s12*s124^2*z3) + (D*s1234*s14*s34*z2^2)/
  (2*s12*s124^2*z3) - (2*s1234*s14*s34*z2^2)/(s12^2*s124*z3) - 
 (s1234*s14^2*s34*z2^2)/(s12^2*s124^2*z3) + (D*s1234*s24*s34*z2^2)/
  (2*s12*s124^2*z3) + (3*s1234*s14*s24*s34*z2^2)/(s12^2*s124^2*z3) + 
 (4*s1234*s34*z1^2*z2^2)/(s12^2*z12^2*z3) + (4*s1234*s34*z1^2*z2^2)/
  (s124^2*z12^2*z3) - (8*s1234*s34*z1^2*z2^2)/(s12*s124*z12^2*z3) + 
 (8*s1234*s14*s34*z1^2*z2^2)/(s12*s124^2*z12^2*z3) - 
 (8*s1234*s14*s34*z1^2*z2^2)/(s12^2*s124*z12^2*z3) + 
 (4*s1234*s14^2*s34*z1^2*z2^2)/(s12^2*s124^2*z12^2*z3) + 
 (8*s1234*s24*s34*z1^2*z2^2)/(s12*s124^2*z12^2*z3) - 
 (8*s1234*s24*s34*z1^2*z2^2)/(s12^2*s124*z12^2*z3) + 
 (8*s1234*s14*s24*s34*z1^2*z2^2)/(s12^2*s124^2*z12^2*z3) + 
 (4*s1234*s24^2*s34*z1^2*z2^2)/(s12^2*s124^2*z12^2*z3) - 
 (s1234*s23*z1*z2^2)/(s12^2*z12*z3) + (s1234*s23*z1*z2^2)/(s12*s124*z12*z3) - 
 (s1234*s14*s23*z1*z2^2)/(s12*s124^2*z12*z3) + 
 (2*s1234*s14*s23*z1*z2^2)/(s12^2*s124*z12*z3) - 
 (s1234*s14^2*s23*z1*z2^2)/(s12^2*s124^2*z12*z3) - 
 (s1234*s24*z1*z2^2)/(s12^2*z12*z3) + (2*s1234*s24*z1*z2^2)/
  (s12*s124*z12*z3) + (2*s1234*s13*s24*z1*z2^2)/(s12*s124^2*z12*z3) - 
 (s1234*s13*s24*z1*z2^2)/(s12^2*s124*z12*z3) + 
 (2*s1234*s14*s24*z1*z2^2)/(s12^2*s124*z12*z3) + 
 (2*s1234*s13*s14*s24*z1*z2^2)/(s12^2*s124^2*z12*z3) + 
 (s1234*s23*s24*z1*z2^2)/(s12*s124^2*z12*z3) + 
 (s1234*s23*s24*z1*z2^2)/(s12^2*s124*z12*z3) + 
 (2*s1234*s24^2*z1*z2^2)/(s12^2*s124*z12*z3) + 
 (2*s1234*s13*s24^2*z1*z2^2)/(s12^2*s124^2*z12*z3) + 
 (s1234*s23*s24^2*z1*z2^2)/(s12^2*s124^2*z12*z3) - 
 (4*s1234*s34*z1*z2^2)/(s12^2*z12*z3) + (4*s1234*s34*z1*z2^2)/
  (s12*s124*z12*z3) - (4*s1234*s14*s34*z1*z2^2)/(s12*s124^2*z12*z3) + 
 (8*s1234*s14*s34*z1*z2^2)/(s12^2*s124*z12*z3) - 
 (4*s1234*s14^2*s34*z1*z2^2)/(s12^2*s124^2*z12*z3) - 
 (s1234*s24*s34*z1*z2^2)/(s12*s124^2*z12*z3) + 
 (6*s1234*s24*s34*z1*z2^2)/(s12^2*s124*z12*z3) - 
 (5*s1234*s14*s24*s34*z1*z2^2)/(s12^2*s124^2*z12*z3) - 
 (s1234*s24^2*s34*z1*z2^2)/(s12^2*s124^2*z12*z3) + 
 (2*s1234*s34*z1*z2^3)/(s12^2*z12^2*z3) + (2*s1234*s34*z1*z2^3)/
  (s124^2*z12^2*z3) - (4*s1234*s34*z1*z2^3)/(s12*s124*z12^2*z3) + 
 (4*s1234*s14*s34*z1*z2^3)/(s12*s124^2*z12^2*z3) - 
 (4*s1234*s14*s34*z1*z2^3)/(s12^2*s124*z12^2*z3) + 
 (2*s1234*s14^2*s34*z1*z2^3)/(s12^2*s124^2*z12^2*z3) + 
 (4*s1234*s24*s34*z1*z2^3)/(s12*s124^2*z12^2*z3) - 
 (4*s1234*s24*s34*z1*z2^3)/(s12^2*s124*z12^2*z3) + 
 (4*s1234*s14*s24*s34*z1*z2^3)/(s12^2*s124^2*z12^2*z3) + 
 (2*s1234*s24^2*s34*z1*z2^3)/(s12^2*s124^2*z12^2*z3) + 
 (s1234*s13*z2^3)/(s12^2*z12*z3) - (s1234*s13*z2^3)/(s12*s124*z12*z3) + 
 (s1234*s14*z2^3)/(s12^2*z12*z3) - (2*s1234*s14*z2^3)/(s12*s124*z12*z3) - 
 (s1234*s13*s14*z2^3)/(s12*s124^2*z12*z3) - 
 (s1234*s13*s14*z2^3)/(s12^2*s124*z12*z3) - 
 (2*s1234*s14^2*z2^3)/(s12^2*s124*z12*z3) - (s1234*s13*s14^2*z2^3)/
  (s12^2*s124^2*z12*z3) - (2*s1234*s14*s23*z2^3)/(s12*s124^2*z12*z3) + 
 (s1234*s14*s23*z2^3)/(s12^2*s124*z12*z3) - (2*s1234*s14^2*s23*z2^3)/
  (s12^2*s124^2*z12*z3) + (s1234*s13*s24*z2^3)/(s12*s124^2*z12*z3) - 
 (2*s1234*s13*s24*z2^3)/(s12^2*s124*z12*z3) - 
 (2*s1234*s14*s24*z2^3)/(s12^2*s124*z12*z3) - 
 (2*s1234*s14*s23*s24*z2^3)/(s12^2*s124^2*z12*z3) + 
 (s1234*s13*s24^2*z2^3)/(s12^2*s124^2*z12*z3) - 
 (3*s1234*s14*s34*z2^3)/(s12*s124^2*z12*z3) + 
 (2*s1234*s14*s34*z2^3)/(s12^2*s124*z12*z3) - 
 (3*s1234*s14^2*s34*z2^3)/(s12^2*s124^2*z12*z3) - 
 (3*s1234*s14*s24*s34*z2^3)/(s12^2*s124^2*z12*z3) - (8*s1234*z3)/s124 + 
 (4*D*s1234*z3)/s124 - (D^2*s1234*z3)/(2*s124) + (s1234*s13*z3)/(s12*s124) - 
 (D*s1234*s13*z3)/(2*s12*s124) + (7*s1234*s14*z3)/s123^2 - 
 (4*D*s1234*s14*z3)/s123^2 + (D^2*s1234*s14*z3)/(2*s123^2) + 
 (2*s1234*s14*z3)/s124^2 - (3*D*s1234*s14*z3)/(2*s124^2) + 
 (D^2*s1234*s14*z3)/(4*s124^2) + (D*s1234*s14*z3)/(s12*s124) - 
 (D^2*s1234*s14*z3)/(4*s12*s124) - (s12*s1234*s14*z3)/(s123^2*s13) + 
 (D*s12*s1234*s14*z3)/(2*s123^2*s13) + (s1234*s13*s14*z3)/(s12*s124^2) - 
 (D*s1234*s13*s14*z3)/(s12*s124^2) + (D^2*s1234*s13*s14*z3)/(4*s12*s124^2) + 
 (2*s1234*s14^2*z3)/(s12*s124^2) - (3*D*s1234*s14^2*z3)/(2*s12*s124^2) + 
 (D^2*s1234*s14^2*z3)/(4*s12*s124^2) - (D*s1234*s14^2*z3)/(2*s123^2*s13) - 
 (2*s12*s1234*s14*z3)/(s123^2*s23) + (D*s12*s1234*s14*z3)/(2*s123^2*s23) - 
 (3*s12^2*s1234*s14*z3)/(s123^2*s13*s23) + (D*s12^2*s1234*s14*z3)/
  (s123^2*s13*s23) + (2*s1234*s13*s14*z3)/(s123^2*s23) - 
 (3*D*s1234*s13*s14*z3)/(2*s123^2*s23) + (D^2*s1234*s13*s14*z3)/
  (4*s123^2*s23) + (s1234*s14^2*z3)/(s123^2*s23) - 
 (D*s1234*s14^2*z3)/(2*s123^2*s23) - (s12*s1234*s14^2*z3)/(s123^2*s13*s23) + 
 (s1234*s23*z3)/(s12*s124) - (D*s1234*s23*z3)/(2*s12*s124) + 
 (2*s1234*s14*s23*z3)/(s12*s124^2) - (3*D*s1234*s14*s23*z3)/(2*s12*s124^2) + 
 (D^2*s1234*s14*s23*z3)/(4*s12*s124^2) - (2*s1234*s14*s23*z3)/(s12^2*s124) + 
 (D*s1234*s14*s23*z3)/(s12^2*s124) + (3*s1234*s14*s23*z3)/(s123^2*s13) - 
 (3*D*s1234*s14*s23*z3)/(2*s123^2*s13) + (D^2*s1234*s14*s23*z3)/
  (4*s123^2*s13) + (s1234*s14^2*s23*z3)/(s12^2*s124^2) - 
 (D*s1234*s14^2*s23*z3)/(2*s12^2*s124^2) + (7*s1234*s24*z3)/s123^2 - 
 (4*D*s1234*s24*z3)/s123^2 + (D^2*s1234*s24*z3)/(2*s123^2) + 
 (2*s1234*s24*z3)/s124^2 - (3*D*s1234*s24*z3)/(2*s124^2) + 
 (D^2*s1234*s24*z3)/(4*s124^2) + (D*s1234*s24*z3)/(s12*s124) - 
 (D^2*s1234*s24*z3)/(4*s12*s124) - (2*s12*s1234*s24*z3)/(s123^2*s13) + 
 (D*s12*s1234*s24*z3)/(2*s123^2*s13) + (2*s1234*s13*s24*z3)/(s12*s124^2) - 
 (3*D*s1234*s13*s24*z3)/(2*s12*s124^2) + (D^2*s1234*s13*s24*z3)/
  (4*s12*s124^2) - (2*s1234*s13*s24*z3)/(s12^2*s124) + 
 (D*s1234*s13*s24*z3)/(s12^2*s124) - (2*D*s1234*s14*s24*z3)/(s12*s124^2) + 
 (D^2*s1234*s14*s24*z3)/(2*s12*s124^2) + (D*s1234*s14*s24*z3)/(s12^2*s124) + 
 (5*s1234*s14*s24*z3)/(s123^2*s13) - (D*s1234*s14*s24*z3)/(s123^2*s13) - 
 (s1234*s13*s14*s24*z3)/(s12^2*s124^2) + (D*s1234*s13*s14*s24*z3)/
  (2*s12^2*s124^2) - (4*s1234*s14^2*s24*z3)/(s12^2*s124^2) + 
 (D*s1234*s14^2*s24*z3)/(s12^2*s124^2) - (s12*s1234*s24*z3)/(s123^2*s23) + 
 (D*s12*s1234*s24*z3)/(2*s123^2*s23) - (3*s12^2*s1234*s24*z3)/
  (s123^2*s13*s23) + (D*s12^2*s1234*s24*z3)/(s123^2*s13*s23) + 
 (3*s1234*s13*s24*z3)/(s123^2*s23) - (3*D*s1234*s13*s24*z3)/(2*s123^2*s23) + 
 (D^2*s1234*s13*s24*z3)/(4*s123^2*s23) + (5*s1234*s14*s24*z3)/(s123^2*s23) - 
 (D*s1234*s14*s24*z3)/(s123^2*s23) + (2*s12*s1234*s14*s24*z3)/
  (s123^2*s13*s23) + (s1234*s23*s24*z3)/(s12*s124^2) - 
 (D*s1234*s23*s24*z3)/(s12*s124^2) + (D^2*s1234*s23*s24*z3)/(4*s12*s124^2) + 
 (2*s1234*s23*s24*z3)/(s123^2*s13) - (3*D*s1234*s23*s24*z3)/(2*s123^2*s13) + 
 (D^2*s1234*s23*s24*z3)/(4*s123^2*s13) - (s1234*s14*s23*s24*z3)/
  (s12^2*s124^2) + (D*s1234*s14*s23*s24*z3)/(2*s12^2*s124^2) + 
 (2*s1234*s24^2*z3)/(s12*s124^2) - (3*D*s1234*s24^2*z3)/(2*s12*s124^2) + 
 (D^2*s1234*s24^2*z3)/(4*s12*s124^2) + (s1234*s24^2*z3)/(s123^2*s13) - 
 (D*s1234*s24^2*z3)/(2*s123^2*s13) + (s1234*s13*s24^2*z3)/(s12^2*s124^2) - 
 (D*s1234*s13*s24^2*z3)/(2*s12^2*s124^2) - (4*s1234*s14*s24^2*z3)/
  (s12^2*s124^2) + (D*s1234*s14*s24^2*z3)/(s12^2*s124^2) - 
 (D*s1234*s24^2*z3)/(2*s123^2*s23) - (s12*s1234*s24^2*z3)/(s123^2*s13*s23) - 
 (2*s1234*z3)/s34 + (3*D*s1234*z3)/(2*s34) - (D^2*s1234*z3)/(4*s34) - 
 (s1234*s13*z3)/(s12*s34) + (D*s1234*s13*z3)/(2*s12*s34) - 
 (3*s1234*s14*z3)/(s12*s34) + (2*D*s1234*s14*z3)/(s12*s34) - 
 (D^2*s1234*s14*z3)/(4*s12*s34) + (4*s1234*s14*z3)/(s124*s34) - 
 (2*D*s1234*s14*z3)/(s124*s34) + (D^2*s1234*s14*z3)/(4*s124*s34) + 
 (5*s1234*s13*s14*z3)/(s12*s124*s34) - (5*D*s1234*s13*s14*z3)/
  (2*s12*s124*s34) + (D^2*s1234*s13*s14*z3)/(4*s12*s124*s34) + 
 (6*s1234*s14^2*z3)/(s12*s124*s34) - (3*D*s1234*s14^2*z3)/(s12*s124*s34) + 
 (D^2*s1234*s14^2*z3)/(4*s12*s124*s34) - (s1234*s23*z3)/(s12*s34) + 
 (D*s1234*s23*z3)/(2*s12*s34) - (2*s1234*s13*s23*z3)/(s12^2*s34) + 
 (D*s1234*s13*s23*z3)/(s12^2*s34) + (D*s1234*s14*s23*z3)/(2*s12^2*s34) + 
 (6*s1234*s14*s23*z3)/(s12*s124*s34) - (5*D*s1234*s14*s23*z3)/
  (2*s12*s124*s34) + (D^2*s1234*s14*s23*z3)/(4*s12*s124*s34) + 
 (s1234*s13*s14*s23*z3)/(s12^2*s124*s34) - (D*s1234*s13*s14*s23*z3)/
  (2*s12^2*s124*s34) - (s1234*s14^2*s23*z3)/(s12^2*s124*s34) - 
 (s1234*s14*s23^2*z3)/(s12^2*s124*s34) + (D*s1234*s14*s23^2*z3)/
  (2*s12^2*s124*s34) - (3*s1234*s24*z3)/(s12*s34) + 
 (2*D*s1234*s24*z3)/(s12*s34) - (D^2*s1234*s24*z3)/(4*s12*s34) + 
 (4*s1234*s24*z3)/(s124*s34) - (2*D*s1234*s24*z3)/(s124*s34) + 
 (D^2*s1234*s24*z3)/(4*s124*s34) + (D*s1234*s13*s24*z3)/(2*s12^2*s34) + 
 (6*s1234*s13*s24*z3)/(s12*s124*s34) - (5*D*s1234*s13*s24*z3)/
  (2*s12*s124*s34) + (D^2*s1234*s13*s24*z3)/(4*s12*s124*s34) - 
 (s1234*s13^2*s24*z3)/(s12^2*s124*s34) + (D*s1234*s13^2*s24*z3)/
  (2*s12^2*s124*s34) + (2*s1234*s14*s24*z3)/(s12^2*s34) + 
 (12*s1234*s14*s24*z3)/(s12*s124*s34) - (5*D*s1234*s14*s24*z3)/
  (s12*s124*s34) + (D^2*s1234*s14*s24*z3)/(2*s12*s124*s34) - 
 (3*s1234*s13*s14*s24*z3)/(s12^2*s124*s34) + (D*s1234*s13*s14*s24*z3)/
  (s12^2*s124*s34) - (4*s1234*s14^2*s24*z3)/(s12^2*s124*s34) + 
 (D*s1234*s14^2*s24*z3)/(s12^2*s124*s34) + (5*s1234*s23*s24*z3)/
  (s12*s124*s34) - (5*D*s1234*s23*s24*z3)/(2*s12*s124*s34) + 
 (D^2*s1234*s23*s24*z3)/(4*s12*s124*s34) + (s1234*s13*s23*s24*z3)/
  (s12^2*s124*s34) - (D*s1234*s13*s23*s24*z3)/(2*s12^2*s124*s34) - 
 (3*s1234*s14*s23*s24*z3)/(s12^2*s124*s34) + (D*s1234*s14*s23*s24*z3)/
  (s12^2*s124*s34) + (6*s1234*s24^2*z3)/(s12*s124*s34) - 
 (3*D*s1234*s24^2*z3)/(s12*s124*s34) + (D^2*s1234*s24^2*z3)/
  (4*s12*s124*s34) - (s1234*s13*s24^2*z3)/(s12^2*s124*s34) - 
 (4*s1234*s14*s24^2*z3)/(s12^2*s124*s34) + (D*s1234*s14*s24^2*z3)/
  (s12^2*s124*s34) + (4*s1234*s34*z3)/s123^2 - (3*D*s1234*s34*z3)/s123^2 + 
 (D^2*s1234*s34*z3)/(2*s123^2) - (2*s1234*s34*z3)/s124^2 + 
 (3*D*s1234*s34*z3)/(2*s124^2) - (D^2*s1234*s34*z3)/(4*s124^2) + 
 (2*s1234*s34*z3)/(s12*s124) - (D*s1234*s34*z3)/(s12*s124) - 
 (6*s12*s1234*s34*z3)/(s123^2*s13) + (2*D*s12*s1234*s34*z3)/(s123^2*s13) - 
 (s1234*s14*s34*z3)/(s12*s124^2) + (D*s1234*s14*s34*z3)/(2*s12*s124^2) - 
 (2*s1234*s14*s34*z3)/(s123^2*s13) + (D*s1234*s14*s34*z3)/(2*s123^2*s13) - 
 (6*s12*s1234*s34*z3)/(s123^2*s23) + (2*D*s12*s1234*s34*z3)/(s123^2*s23) - 
 (6*s12^2*s1234*s34*z3)/(s123^2*s13*s23) + (2*D*s12^2*s1234*s34*z3)/
  (s123^2*s13*s23) + (s1234*s13*s34*z3)/(s123^2*s23) - 
 (D*s1234*s13*s34*z3)/(s123^2*s23) + (D^2*s1234*s13*s34*z3)/(4*s123^2*s23) - 
 (s1234*s14*s34*z3)/(s123^2*s23) + (D*s1234*s14*s34*z3)/(2*s123^2*s23) - 
 (3*s12*s1234*s14*s34*z3)/(s123^2*s13*s23) + (D*s12*s1234*s14*s34*z3)/
  (s123^2*s13*s23) + (s1234*s23*s34*z3)/(s123^2*s13) - 
 (D*s1234*s23*s34*z3)/(s123^2*s13) + (D^2*s1234*s23*s34*z3)/(4*s123^2*s13) - 
 (s1234*s24*s34*z3)/(s12*s124^2) + (D*s1234*s24*s34*z3)/(2*s12*s124^2) - 
 (s1234*s24*s34*z3)/(s123^2*s13) + (D*s1234*s24*s34*z3)/(2*s123^2*s13) - 
 (2*s1234*s14*s24*s34*z3)/(s12^2*s124^2) + (D*s1234*s14*s24*s34*z3)/
  (s12^2*s124^2) - (2*s1234*s24*s34*z3)/(s123^2*s23) + 
 (D*s1234*s24*s34*z3)/(2*s123^2*s23) - (3*s12*s1234*s24*s34*z3)/
  (s123^2*s13*s23) + (D*s12*s1234*s24*s34*z3)/(s123^2*s13*s23) - 
 (D*s1234*z1*z3)/(2*s12*z12) - (s1234*z1*z3)/(s124*z12) + 
 (D*s1234*z1*z3)/(s124*z12) - (D*s1234*s14*z1*z3)/(2*s124^2*z12) - 
 (2*s1234*s14*z1*z3)/(s12*s124*z12) + (3*D*s1234*s14*z1*z3)/
  (2*s12*s124*z12) - (D*s1234*s14^2*z1*z3)/(2*s12*s124^2*z12) + 
 (2*s1234*s23*z1*z3)/(s12*s124*z12) - (D*s1234*s23*z1*z3)/(s12*s124*z12) - 
 (s1234*s14*s23*z1*z3)/(s12*s124^2*z12) + (D*s1234*s14*s23*z1*z3)/
  (2*s12*s124^2*z12) + (2*s1234*s14*s23*z1*z3)/(s12^2*s124*z12) - 
 (D*s1234*s14*s23*z1*z3)/(s12^2*s124*z12) - (s1234*s14^2*s23*z1*z3)/
  (s12^2*s124^2*z12) + (D*s1234*s14^2*s23*z1*z3)/(2*s12^2*s124^2*z12) + 
 (4*s1234*s24*z1*z3)/(s124^2*z12) - (3*D*s1234*s24*z1*z3)/(2*s124^2*z12) - 
 (2*s1234*s24*z1*z3)/(s12*s124*z12) + (D*s1234*s24*z1*z3)/(2*s12*s124*z12) + 
 (s1234*s13*s24*z1*z3)/(s12*s124^2*z12) - (D*s1234*s13*s24*z1*z3)/
  (2*s12*s124^2*z12) + (2*s1234*s13*s24*z1*z3)/(s12^2*s124*z12) - 
 (D*s1234*s13*s24*z1*z3)/(s12^2*s124*z12) + (8*s1234*s14*s24*z1*z3)/
  (s12*s124^2*z12) - (3*D*s1234*s14*s24*z1*z3)/(s12*s124^2*z12) - 
 (D*s1234*s14*s24*z1*z3)/(s12^2*s124*z12) + (s1234*s13*s14*s24*z1*z3)/
  (s12^2*s124^2*z12) - (D*s1234*s13*s14*s24*z1*z3)/(2*s12^2*s124^2*z12) + 
 (4*s1234*s14^2*s24*z1*z3)/(s12^2*s124^2*z12) - 
 (D*s1234*s14^2*s24*z1*z3)/(s12^2*s124^2*z12) + 
 (4*s1234*s23*s24*z1*z3)/(s12^2*s124*z12) - (2*D*s1234*s23*s24*z1*z3)/
  (s12^2*s124*z12) - (s1234*s14*s23*s24*z1*z3)/(s12^2*s124^2*z12) + 
 (D*s1234*s14*s23*s24*z1*z3)/(2*s12^2*s124^2*z12) + 
 (8*s1234*s24^2*z1*z3)/(s12*s124^2*z12) - (5*D*s1234*s24^2*z1*z3)/
  (2*s12*s124^2*z12) - (D*s1234*s24^2*z1*z3)/(s12^2*s124*z12) + 
 (s1234*s13*s24^2*z1*z3)/(s12^2*s124^2*z12) - 
 (D*s1234*s13*s24^2*z1*z3)/(2*s12^2*s124^2*z12) + 
 (8*s1234*s14*s24^2*z1*z3)/(s12^2*s124^2*z12) - 
 (2*D*s1234*s14*s24^2*z1*z3)/(s12^2*s124^2*z12) + 
 (4*s1234*s24^3*z1*z3)/(s12^2*s124^2*z12) - (D*s1234*s24^3*z1*z3)/
  (s12^2*s124^2*z12) - (s1234*z1*z3)/(s34*z12) + 
 (D*s1234*z1*z3)/(2*s34*z12) - (s1234*s13*z1*z3)/(s12*s34*z12) + 
 (D*s1234*s13*z1*z3)/(2*s12*s34*z12) + (s1234*s14*z1*z3)/(s12*s34*z12) - 
 (3*s1234*s14*z1*z3)/(s124*s34*z12) + (D*s1234*s14*z1*z3)/(2*s124*s34*z12) - 
 (s1234*s13*s14*z1*z3)/(s12*s124*s34*z12) - (3*s1234*s14^2*z1*z3)/
  (s12*s124*s34*z12) + (D*s1234*s14^2*z1*z3)/(2*s12*s124*s34*z12) + 
 (s1234*s23*z1*z3)/(s12*s34*z12) - (D*s1234*s23*z1*z3)/(2*s12*s34*z12) + 
 (2*s1234*s13*s23*z1*z3)/(s12^2*s34*z12) - (D*s1234*s13*s23*z1*z3)/
  (s12^2*s34*z12) - (D*s1234*s14*s23*z1*z3)/(2*s12^2*s34*z12) - 
 (s1234*s13*s14*s23*z1*z3)/(s12^2*s124*s34*z12) + 
 (D*s1234*s13*s14*s23*z1*z3)/(2*s12^2*s124*s34*z12) + 
 (s1234*s14^2*s23*z1*z3)/(s12^2*s124*s34*z12) + 
 (2*s1234*s23^2*z1*z3)/(s12^2*s34*z12) - (D*s1234*s23^2*z1*z3)/
  (s12^2*s34*z12) - (s1234*s14*s23^2*z1*z3)/(s12^2*s124*s34*z12) + 
 (D*s1234*s14*s23^2*z1*z3)/(2*s12^2*s124*s34*z12) - 
 (s1234*s24*z1*z3)/(s12*s34*z12) + (s1234*s24*z1*z3)/(s124*s34*z12) - 
 (D*s1234*s24*z1*z3)/(2*s124*s34*z12) - (D*s1234*s13*s24*z1*z3)/
  (2*s12^2*s34*z12) + (2*s1234*s13*s24*z1*z3)/(s12*s124*s34*z12) - 
 (D*s1234*s13*s24*z1*z3)/(s12*s124*s34*z12) + 
 (s1234*s13^2*s24*z1*z3)/(s12^2*s124*s34*z12) - 
 (D*s1234*s13^2*s24*z1*z3)/(2*s12^2*s124*s34*z12) - 
 (2*s1234*s14*s24*z1*z3)/(s12^2*s34*z12) + (2*s1234*s14*s24*z1*z3)/
  (s12*s124*s34*z12) - (D*s1234*s14*s24*z1*z3)/(s12*s124*s34*z12) + 
 (3*s1234*s13*s14*s24*z1*z3)/(s12^2*s124*s34*z12) - 
 (D*s1234*s13*s14*s24*z1*z3)/(s12^2*s124*s34*z12) + 
 (4*s1234*s14^2*s24*z1*z3)/(s12^2*s124*s34*z12) - 
 (D*s1234*s14^2*s24*z1*z3)/(s12^2*s124*s34*z12) - 
 (D*s1234*s23*s24*z1*z3)/(s12^2*s34*z12) + (3*s1234*s23*s24*z1*z3)/
  (s12*s124*s34*z12) - (D*s1234*s23*s24*z1*z3)/(s12*s124*s34*z12) + 
 (s1234*s13*s23*s24*z1*z3)/(s12^2*s124*s34*z12) - 
 (D*s1234*s13*s23*s24*z1*z3)/(2*s12^2*s124*s34*z12) + 
 (5*s1234*s14*s23*s24*z1*z3)/(s12^2*s124*s34*z12) - 
 (D*s1234*s14*s23*s24*z1*z3)/(s12^2*s124*s34*z12) - 
 (2*s1234*s24^2*z1*z3)/(s12^2*s34*z12) + (5*s1234*s24^2*z1*z3)/
  (s12*s124*s34*z12) - (3*D*s1234*s24^2*z1*z3)/(2*s12*s124*s34*z12) + 
 (3*s1234*s13*s24^2*z1*z3)/(s12^2*s124*s34*z12) - 
 (D*s1234*s13*s24^2*z1*z3)/(s12^2*s124*s34*z12) + 
 (8*s1234*s14*s24^2*z1*z3)/(s12^2*s124*s34*z12) - 
 (2*D*s1234*s14*s24^2*z1*z3)/(s12^2*s124*s34*z12) + 
 (4*s1234*s23*s24^2*z1*z3)/(s12^2*s124*s34*z12) - 
 (D*s1234*s23*s24^2*z1*z3)/(s12^2*s124*s34*z12) + 
 (4*s1234*s24^3*z1*z3)/(s12^2*s124*s34*z12) - 
 (D*s1234*s24^3*z1*z3)/(s12^2*s124*s34*z12) + 
 (2*s1234*s24*s34*z1*z3)/(s12*s124^2*z12) - (D*s1234*s24*s34*z1*z3)/
  (s12*s124^2*z12) + (2*s1234*s14*s24*s34*z1*z3)/(s12^2*s124^2*z12) - 
 (D*s1234*s14*s24*s34*z1*z3)/(s12^2*s124^2*z12) + 
 (2*s1234*s24^2*s34*z1*z3)/(s12^2*s124^2*z12) - 
 (D*s1234*s24^2*s34*z1*z3)/(s12^2*s124^2*z12) - 
 (s1234*s14*z1*z3)/(s123^2*z123) + (D*s1234*s14*z1*z3)/(s123^2*z123) + 
 (s12*s1234*s14*z1*z3)/(s123^2*s13*z123) + (D*s12*s1234*s14*z1*z3)/
  (2*s123^2*s13*z123) + (D*s1234*s14^2*z1*z3)/(2*s123^2*s13*z123) + 
 (D*s12*s1234*s14*z1*z3)/(2*s123^2*s23*z123) + 
 (s12^2*s1234*s14*z1*z3)/(s123^2*s13*s23*z123) - 
 (s1234*s13*s14*z1*z3)/(s123^2*s23*z123) + (D*s1234*s13*s14*z1*z3)/
  (2*s123^2*s23*z123) - (s1234*s14^2*z1*z3)/(s123^2*s23*z123) + 
 (D*s1234*s14^2*z1*z3)/(2*s123^2*s23*z123) + (s12*s1234*s14^2*z1*z3)/
  (s123^2*s13*s23*z123) + (D*s1234*s14*s23*z1*z3)/(2*s123^2*s13*z123) - 
 (5*s1234*s24*z1*z3)/(s123^2*z123) + (D*s1234*s24*z1*z3)/(s123^2*z123) - 
 (5*s12*s1234*s24*z1*z3)/(s123^2*s13*z123) + (D*s12*s1234*s24*z1*z3)/
  (2*s123^2*s13*z123) - (4*s1234*s14*s24*z1*z3)/(s123^2*s13*z123) + 
 (D*s1234*s14*s24*z1*z3)/(s123^2*s13*z123) - (2*s12*s1234*s24*z1*z3)/
  (s123^2*s23*z123) + (D*s12*s1234*s24*z1*z3)/(2*s123^2*s23*z123) - 
 (s12^2*s1234*s24*z1*z3)/(s123^2*s13*s23*z123) - 
 (s1234*s13*s24*z1*z3)/(s123^2*s23*z123) + (D*s1234*s13*s24*z1*z3)/
  (2*s123^2*s23*z123) - (2*s1234*s14*s24*z1*z3)/(s123^2*s23*z123) + 
 (D*s1234*s14*s24*z1*z3)/(s123^2*s23*z123) - (4*s1234*s23*s24*z1*z3)/
  (s123^2*s13*z123) + (D*s1234*s23*s24*z1*z3)/(2*s123^2*s13*z123) - 
 (4*s1234*s24^2*z1*z3)/(s123^2*s13*z123) + (D*s1234*s24^2*z1*z3)/
  (2*s123^2*s13*z123) - (s1234*s24^2*z1*z3)/(s123^2*s23*z123) + 
 (D*s1234*s24^2*z1*z3)/(2*s123^2*s23*z123) - (s12*s1234*s24^2*z1*z3)/
  (s123^2*s13*s23*z123) - (3*s1234*s34*z1*z3)/(s123^2*z123) + 
 (D*s1234*s34*z1*z3)/(s123^2*z123) - (5*s12*s1234*s34*z1*z3)/
  (s123^2*s13*z123) + (3*D*s12*s1234*s34*z1*z3)/(2*s123^2*s13*z123) - 
 (2*s1234*s14*s34*z1*z3)/(s123^2*s13*z123) + (D*s1234*s14*s34*z1*z3)/
  (s123^2*s13*z123) - (4*s12*s1234*s34*z1*z3)/(s123^2*s23*z123) + 
 (3*D*s12*s1234*s34*z1*z3)/(2*s123^2*s23*z123) - 
 (3*s12^2*s1234*s34*z1*z3)/(s123^2*s13*s23*z123) + 
 (D*s12^2*s1234*s34*z1*z3)/(s123^2*s13*s23*z123) - 
 (s1234*s13*s34*z1*z3)/(s123^2*s23*z123) + (D*s1234*s13*s34*z1*z3)/
  (2*s123^2*s23*z123) - (2*s1234*s14*s34*z1*z3)/(s123^2*s23*z123) + 
 (D*s1234*s14*s34*z1*z3)/(s123^2*s23*z123) - (2*s12*s1234*s14*s34*z1*z3)/
  (s123^2*s13*s23*z123) + (D*s12*s1234*s14*s34*z1*z3)/(s123^2*s13*s23*z123) - 
 (2*s1234*s23*s34*z1*z3)/(s123^2*s13*z123) + (D*s1234*s23*s34*z1*z3)/
  (2*s123^2*s13*z123) - (6*s1234*s24*s34*z1*z3)/(s123^2*s13*z123) + 
 (D*s1234*s24*s34*z1*z3)/(s123^2*s13*z123) - (2*s1234*s24*s34*z1*z3)/
  (s123^2*s23*z123) + (D*s1234*s24*s34*z1*z3)/(s123^2*s23*z123) - 
 (4*s12*s1234*s24*s34*z1*z3)/(s123^2*s13*s23*z123) + 
 (D*s12*s1234*s24*s34*z1*z3)/(s123^2*s13*s23*z123) - 
 (2*s1234*s34^2*z1*z3)/(s123^2*s13*z123) + (D*s1234*s34^2*z1*z3)/
  (2*s123^2*s13*z123) - (s1234*s34^2*z1*z3)/(s123^2*s23*z123) + 
 (D*s1234*s34^2*z1*z3)/(2*s123^2*s23*z123) - (3*s12*s1234*s34^2*z1*z3)/
  (s123^2*s13*s23*z123) + (D*s12*s1234*s34^2*z1*z3)/(s123^2*s13*s23*z123) - 
 (4*s1234*z1*z2*z3)/(s124*z12^2) + (2*D*s1234*z1*z2*z3)/(s124*z12^2) - 
 (4*s1234*s13*z1*z2*z3)/(s12*s124*z12^2) + (2*D*s1234*s13*z1*z2*z3)/
  (s12*s124*z12^2) - (4*s1234*s14*z1*z2*z3)/(s124^2*z12^2) + 
 (D*s1234*s14*z1*z2*z3)/(s124^2*z12^2) - (4*s1234*s14*z1*z2*z3)/
  (s12*s124*z12^2) + (3*D*s1234*s14*z1*z2*z3)/(s12*s124*z12^2) - 
 (4*s1234*s13*s14*z1*z2*z3)/(s12^2*s124*z12^2) + 
 (2*D*s1234*s13*s14*z1*z2*z3)/(s12^2*s124*z12^2) - 
 (8*s1234*s14^2*z1*z2*z3)/(s12*s124^2*z12^2) + 
 (2*D*s1234*s14^2*z1*z2*z3)/(s12*s124^2*z12^2) + 
 (D*s1234*s14^2*z1*z2*z3)/(s12^2*s124*z12^2) - 
 (4*s1234*s14^3*z1*z2*z3)/(s12^2*s124^2*z12^2) + 
 (D*s1234*s14^3*z1*z2*z3)/(s12^2*s124^2*z12^2) - 
 (4*s1234*s23*z1*z2*z3)/(s12*s124*z12^2) + (2*D*s1234*s23*z1*z2*z3)/
  (s12*s124*z12^2) - (4*s1234*s14*s23*z1*z2*z3)/(s12^2*s124*z12^2) + 
 (2*D*s1234*s14*s23*z1*z2*z3)/(s12^2*s124*z12^2) - 
 (4*s1234*s24*z1*z2*z3)/(s124^2*z12^2) + (D*s1234*s24*z1*z2*z3)/
  (s124^2*z12^2) - (4*s1234*s24*z1*z2*z3)/(s12*s124*z12^2) + 
 (3*D*s1234*s24*z1*z2*z3)/(s12*s124*z12^2) - (4*s1234*s13*s24*z1*z2*z3)/
  (s12^2*s124*z12^2) + (2*D*s1234*s13*s24*z1*z2*z3)/(s12^2*s124*z12^2) - 
 (16*s1234*s14*s24*z1*z2*z3)/(s12*s124^2*z12^2) + 
 (4*D*s1234*s14*s24*z1*z2*z3)/(s12*s124^2*z12^2) + 
 (2*D*s1234*s14*s24*z1*z2*z3)/(s12^2*s124*z12^2) - 
 (12*s1234*s14^2*s24*z1*z2*z3)/(s12^2*s124^2*z12^2) + 
 (3*D*s1234*s14^2*s24*z1*z2*z3)/(s12^2*s124^2*z12^2) - 
 (4*s1234*s23*s24*z1*z2*z3)/(s12^2*s124*z12^2) + 
 (2*D*s1234*s23*s24*z1*z2*z3)/(s12^2*s124*z12^2) - 
 (8*s1234*s24^2*z1*z2*z3)/(s12*s124^2*z12^2) + 
 (2*D*s1234*s24^2*z1*z2*z3)/(s12*s124^2*z12^2) + 
 (D*s1234*s24^2*z1*z2*z3)/(s12^2*s124*z12^2) - 
 (12*s1234*s14*s24^2*z1*z2*z3)/(s12^2*s124^2*z12^2) + 
 (3*D*s1234*s14*s24^2*z1*z2*z3)/(s12^2*s124^2*z12^2) - 
 (4*s1234*s24^3*z1*z2*z3)/(s12^2*s124^2*z12^2) + 
 (D*s1234*s24^3*z1*z2*z3)/(s12^2*s124^2*z12^2) - 
 (2*s1234*z1*z2*z3)/(s34*z12^2) + (D*s1234*z1*z2*z3)/(s34*z12^2) - 
 (4*s1234*s13*z1*z2*z3)/(s12*s34*z12^2) + (2*D*s1234*s13*z1*z2*z3)/
  (s12*s34*z12^2) - (2*s1234*s13^2*z1*z2*z3)/(s12^2*s34*z12^2) + 
 (D*s1234*s13^2*z1*z2*z3)/(s12^2*s34*z12^2) + 
 (D*s1234*s14*z1*z2*z3)/(s12*s34*z12^2) - (4*s1234*s14*z1*z2*z3)/
  (s124*s34*z12^2) + (D*s1234*s14*z1*z2*z3)/(s124*s34*z12^2) + 
 (D*s1234*s13*s14*z1*z2*z3)/(s12^2*s34*z12^2) - 
 (4*s1234*s13*s14*z1*z2*z3)/(s12*s124*s34*z12^2) + 
 (D*s1234*s13*s14*z1*z2*z3)/(s12*s124*s34*z12^2) + 
 (2*s1234*s14^2*z1*z2*z3)/(s12^2*s34*z12^2) - 
 (8*s1234*s14^2*z1*z2*z3)/(s12*s124*s34*z12^2) + 
 (2*D*s1234*s14^2*z1*z2*z3)/(s12*s124*s34*z12^2) - 
 (4*s1234*s13*s14^2*z1*z2*z3)/(s12^2*s124*s34*z12^2) + 
 (D*s1234*s13*s14^2*z1*z2*z3)/(s12^2*s124*s34*z12^2) - 
 (4*s1234*s14^3*z1*z2*z3)/(s12^2*s124*s34*z12^2) + 
 (D*s1234*s14^3*z1*z2*z3)/(s12^2*s124*s34*z12^2) - 
 (4*s1234*s23*z1*z2*z3)/(s12*s34*z12^2) + (2*D*s1234*s23*z1*z2*z3)/
  (s12*s34*z12^2) - (4*s1234*s13*s23*z1*z2*z3)/(s12^2*s34*z12^2) + 
 (2*D*s1234*s13*s23*z1*z2*z3)/(s12^2*s34*z12^2) + 
 (D*s1234*s14*s23*z1*z2*z3)/(s12^2*s34*z12^2) - 
 (4*s1234*s14*s23*z1*z2*z3)/(s12*s124*s34*z12^2) + 
 (D*s1234*s14*s23*z1*z2*z3)/(s12*s124*s34*z12^2) - 
 (4*s1234*s14^2*s23*z1*z2*z3)/(s12^2*s124*s34*z12^2) + 
 (D*s1234*s14^2*s23*z1*z2*z3)/(s12^2*s124*s34*z12^2) - 
 (2*s1234*s23^2*z1*z2*z3)/(s12^2*s34*z12^2) + 
 (D*s1234*s23^2*z1*z2*z3)/(s12^2*s34*z12^2) + 
 (D*s1234*s24*z1*z2*z3)/(s12*s34*z12^2) - (4*s1234*s24*z1*z2*z3)/
  (s124*s34*z12^2) + (D*s1234*s24*z1*z2*z3)/(s124*s34*z12^2) + 
 (D*s1234*s13*s24*z1*z2*z3)/(s12^2*s34*z12^2) - 
 (4*s1234*s13*s24*z1*z2*z3)/(s12*s124*s34*z12^2) + 
 (D*s1234*s13*s24*z1*z2*z3)/(s12*s124*s34*z12^2) + 
 (4*s1234*s14*s24*z1*z2*z3)/(s12^2*s34*z12^2) - 
 (16*s1234*s14*s24*z1*z2*z3)/(s12*s124*s34*z12^2) + 
 (4*D*s1234*s14*s24*z1*z2*z3)/(s12*s124*s34*z12^2) - 
 (8*s1234*s13*s14*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2) + 
 (2*D*s1234*s13*s14*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2) - 
 (12*s1234*s14^2*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2) + 
 (3*D*s1234*s14^2*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2) + 
 (D*s1234*s23*s24*z1*z2*z3)/(s12^2*s34*z12^2) - 
 (4*s1234*s23*s24*z1*z2*z3)/(s12*s124*s34*z12^2) + 
 (D*s1234*s23*s24*z1*z2*z3)/(s12*s124*s34*z12^2) - 
 (8*s1234*s14*s23*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2) + 
 (2*D*s1234*s14*s23*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2) + 
 (2*s1234*s24^2*z1*z2*z3)/(s12^2*s34*z12^2) - 
 (8*s1234*s24^2*z1*z2*z3)/(s12*s124*s34*z12^2) + 
 (2*D*s1234*s24^2*z1*z2*z3)/(s12*s124*s34*z12^2) - 
 (4*s1234*s13*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2) + 
 (D*s1234*s13*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2) - 
 (12*s1234*s14*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2) + 
 (3*D*s1234*s14*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2) - 
 (4*s1234*s23*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2) + 
 (D*s1234*s23*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2) - 
 (4*s1234*s24^3*z1*z2*z3)/(s12^2*s124*s34*z12^2) + 
 (D*s1234*s24^3*z1*z2*z3)/(s12^2*s124*s34*z12^2) - 
 (2*s1234*s34*z1*z2*z3)/(s124^2*z12^2) + (D*s1234*s34*z1*z2*z3)/
  (s124^2*z12^2) - (4*s1234*s14*s34*z1*z2*z3)/(s12*s124^2*z12^2) + 
 (2*D*s1234*s14*s34*z1*z2*z3)/(s12*s124^2*z12^2) - 
 (2*s1234*s14^2*s34*z1*z2*z3)/(s12^2*s124^2*z12^2) + 
 (D*s1234*s14^2*s34*z1*z2*z3)/(s12^2*s124^2*z12^2) - 
 (4*s1234*s24*s34*z1*z2*z3)/(s12*s124^2*z12^2) + 
 (2*D*s1234*s24*s34*z1*z2*z3)/(s12*s124^2*z12^2) - 
 (4*s1234*s14*s24*s34*z1*z2*z3)/(s12^2*s124^2*z12^2) + 
 (2*D*s1234*s14*s24*s34*z1*z2*z3)/(s12^2*s124^2*z12^2) - 
 (2*s1234*s24^2*s34*z1*z2*z3)/(s12^2*s124^2*z12^2) + 
 (D*s1234*s24^2*s34*z1*z2*z3)/(s12^2*s124^2*z12^2) - 
 (D*s1234*z2*z3)/(2*s12*z12) - (s1234*z2*z3)/(s124*z12) + 
 (D*s1234*z2*z3)/(s124*z12) + (2*s1234*s13*z2*z3)/(s12*s124*z12) - 
 (D*s1234*s13*z2*z3)/(s12*s124*z12) + (4*s1234*s14*z2*z3)/(s124^2*z12) - 
 (3*D*s1234*s14*z2*z3)/(2*s124^2*z12) - (2*s1234*s14*z2*z3)/(s12*s124*z12) + 
 (D*s1234*s14*z2*z3)/(2*s12*s124*z12) + (4*s1234*s13*s14*z2*z3)/
  (s12^2*s124*z12) - (2*D*s1234*s13*s14*z2*z3)/(s12^2*s124*z12) + 
 (8*s1234*s14^2*z2*z3)/(s12*s124^2*z12) - (5*D*s1234*s14^2*z2*z3)/
  (2*s12*s124^2*z12) - (D*s1234*s14^2*z2*z3)/(s12^2*s124*z12) + 
 (4*s1234*s14^3*z2*z3)/(s12^2*s124^2*z12) - (D*s1234*s14^3*z2*z3)/
  (s12^2*s124^2*z12) + (s1234*s14*s23*z2*z3)/(s12*s124^2*z12) - 
 (D*s1234*s14*s23*z2*z3)/(2*s12*s124^2*z12) + 
 (2*s1234*s14*s23*z2*z3)/(s12^2*s124*z12) - (D*s1234*s14*s23*z2*z3)/
  (s12^2*s124*z12) + (s1234*s14^2*s23*z2*z3)/(s12^2*s124^2*z12) - 
 (D*s1234*s14^2*s23*z2*z3)/(2*s12^2*s124^2*z12) - 
 (D*s1234*s24*z2*z3)/(2*s124^2*z12) - (2*s1234*s24*z2*z3)/(s12*s124*z12) + 
 (3*D*s1234*s24*z2*z3)/(2*s12*s124*z12) - (s1234*s13*s24*z2*z3)/
  (s12*s124^2*z12) + (D*s1234*s13*s24*z2*z3)/(2*s12*s124^2*z12) + 
 (2*s1234*s13*s24*z2*z3)/(s12^2*s124*z12) - (D*s1234*s13*s24*z2*z3)/
  (s12^2*s124*z12) + (8*s1234*s14*s24*z2*z3)/(s12*s124^2*z12) - 
 (3*D*s1234*s14*s24*z2*z3)/(s12*s124^2*z12) - 
 (D*s1234*s14*s24*z2*z3)/(s12^2*s124*z12) - (s1234*s13*s14*s24*z2*z3)/
  (s12^2*s124^2*z12) + (D*s1234*s13*s14*s24*z2*z3)/(2*s12^2*s124^2*z12) + 
 (8*s1234*s14^2*s24*z2*z3)/(s12^2*s124^2*z12) - 
 (2*D*s1234*s14^2*s24*z2*z3)/(s12^2*s124^2*z12) + 
 (s1234*s14*s23*s24*z2*z3)/(s12^2*s124^2*z12) - 
 (D*s1234*s14*s23*s24*z2*z3)/(2*s12^2*s124^2*z12) - 
 (D*s1234*s24^2*z2*z3)/(2*s12*s124^2*z12) - (s1234*s13*s24^2*z2*z3)/
  (s12^2*s124^2*z12) + (D*s1234*s13*s24^2*z2*z3)/(2*s12^2*s124^2*z12) + 
 (4*s1234*s14*s24^2*z2*z3)/(s12^2*s124^2*z12) - 
 (D*s1234*s14*s24^2*z2*z3)/(s12^2*s124^2*z12) - (s1234*z2*z3)/(s34*z12) + 
 (D*s1234*z2*z3)/(2*s34*z12) + (s1234*s13*z2*z3)/(s12*s34*z12) - 
 (D*s1234*s13*z2*z3)/(2*s12*s34*z12) + (2*s1234*s13^2*z2*z3)/
  (s12^2*s34*z12) - (D*s1234*s13^2*z2*z3)/(s12^2*s34*z12) - 
 (s1234*s14*z2*z3)/(s12*s34*z12) + (s1234*s14*z2*z3)/(s124*s34*z12) - 
 (D*s1234*s14*z2*z3)/(2*s124*s34*z12) - (D*s1234*s13*s14*z2*z3)/
  (s12^2*s34*z12) + (3*s1234*s13*s14*z2*z3)/(s12*s124*s34*z12) - 
 (D*s1234*s13*s14*z2*z3)/(s12*s124*s34*z12) - 
 (2*s1234*s14^2*z2*z3)/(s12^2*s34*z12) + (5*s1234*s14^2*z2*z3)/
  (s12*s124*s34*z12) - (3*D*s1234*s14^2*z2*z3)/(2*s12*s124*s34*z12) + 
 (4*s1234*s13*s14^2*z2*z3)/(s12^2*s124*s34*z12) - 
 (D*s1234*s13*s14^2*z2*z3)/(s12^2*s124*s34*z12) + 
 (4*s1234*s14^3*z2*z3)/(s12^2*s124*s34*z12) - 
 (D*s1234*s14^3*z2*z3)/(s12^2*s124*s34*z12) - 
 (s1234*s23*z2*z3)/(s12*s34*z12) + (D*s1234*s23*z2*z3)/(2*s12*s34*z12) + 
 (2*s1234*s13*s23*z2*z3)/(s12^2*s34*z12) - (D*s1234*s13*s23*z2*z3)/
  (s12^2*s34*z12) - (D*s1234*s14*s23*z2*z3)/(2*s12^2*s34*z12) + 
 (2*s1234*s14*s23*z2*z3)/(s12*s124*s34*z12) - 
 (D*s1234*s14*s23*z2*z3)/(s12*s124*s34*z12) + 
 (s1234*s13*s14*s23*z2*z3)/(s12^2*s124*s34*z12) - 
 (D*s1234*s13*s14*s23*z2*z3)/(2*s12^2*s124*s34*z12) + 
 (3*s1234*s14^2*s23*z2*z3)/(s12^2*s124*s34*z12) - 
 (D*s1234*s14^2*s23*z2*z3)/(s12^2*s124*s34*z12) + 
 (s1234*s14*s23^2*z2*z3)/(s12^2*s124*s34*z12) - 
 (D*s1234*s14*s23^2*z2*z3)/(2*s12^2*s124*s34*z12) + 
 (s1234*s24*z2*z3)/(s12*s34*z12) - (3*s1234*s24*z2*z3)/(s124*s34*z12) + 
 (D*s1234*s24*z2*z3)/(2*s124*s34*z12) - (D*s1234*s13*s24*z2*z3)/
  (2*s12^2*s34*z12) - (s1234*s13^2*s24*z2*z3)/(s12^2*s124*s34*z12) + 
 (D*s1234*s13^2*s24*z2*z3)/(2*s12^2*s124*s34*z12) - 
 (2*s1234*s14*s24*z2*z3)/(s12^2*s34*z12) + (2*s1234*s14*s24*z2*z3)/
  (s12*s124*s34*z12) - (D*s1234*s14*s24*z2*z3)/(s12*s124*s34*z12) + 
 (5*s1234*s13*s14*s24*z2*z3)/(s12^2*s124*s34*z12) - 
 (D*s1234*s13*s14*s24*z2*z3)/(s12^2*s124*s34*z12) + 
 (8*s1234*s14^2*s24*z2*z3)/(s12^2*s124*s34*z12) - 
 (2*D*s1234*s14^2*s24*z2*z3)/(s12^2*s124*s34*z12) - 
 (s1234*s23*s24*z2*z3)/(s12*s124*s34*z12) - (s1234*s13*s23*s24*z2*z3)/
  (s12^2*s124*s34*z12) + (D*s1234*s13*s23*s24*z2*z3)/(2*s12^2*s124*s34*z12) + 
 (3*s1234*s14*s23*s24*z2*z3)/(s12^2*s124*s34*z12) - 
 (D*s1234*s14*s23*s24*z2*z3)/(s12^2*s124*s34*z12) - 
 (3*s1234*s24^2*z2*z3)/(s12*s124*s34*z12) + (D*s1234*s24^2*z2*z3)/
  (2*s12*s124*s34*z12) + (s1234*s13*s24^2*z2*z3)/(s12^2*s124*s34*z12) + 
 (4*s1234*s14*s24^2*z2*z3)/(s12^2*s124*s34*z12) - 
 (D*s1234*s14*s24^2*z2*z3)/(s12^2*s124*s34*z12) + 
 (2*s1234*s14*s34*z2*z3)/(s12*s124^2*z12) - (D*s1234*s14*s34*z2*z3)/
  (s12*s124^2*z12) + (2*s1234*s14^2*s34*z2*z3)/(s12^2*s124^2*z12) - 
 (D*s1234*s14^2*s34*z2*z3)/(s12^2*s124^2*z12) + 
 (2*s1234*s14*s24*s34*z2*z3)/(s12^2*s124^2*z12) - 
 (D*s1234*s14*s24*s34*z2*z3)/(s12^2*s124^2*z12) - 
 (5*s1234*s14*z2*z3)/(s123^2*z123) + (D*s1234*s14*z2*z3)/(s123^2*z123) - 
 (2*s12*s1234*s14*z2*z3)/(s123^2*s13*z123) + (D*s12*s1234*s14*z2*z3)/
  (2*s123^2*s13*z123) - (s1234*s14^2*z2*z3)/(s123^2*s13*z123) + 
 (D*s1234*s14^2*z2*z3)/(2*s123^2*s13*z123) - (5*s12*s1234*s14*z2*z3)/
  (s123^2*s23*z123) + (D*s12*s1234*s14*z2*z3)/(2*s123^2*s23*z123) - 
 (s12^2*s1234*s14*z2*z3)/(s123^2*s13*s23*z123) - 
 (4*s1234*s13*s14*z2*z3)/(s123^2*s23*z123) + (D*s1234*s13*s14*z2*z3)/
  (2*s123^2*s23*z123) - (4*s1234*s14^2*z2*z3)/(s123^2*s23*z123) + 
 (D*s1234*s14^2*z2*z3)/(2*s123^2*s23*z123) - (s12*s1234*s14^2*z2*z3)/
  (s123^2*s13*s23*z123) - (s1234*s14*s23*z2*z3)/(s123^2*s13*z123) + 
 (D*s1234*s14*s23*z2*z3)/(2*s123^2*s13*z123) - 
 (s1234*s24*z2*z3)/(s123^2*z123) + (D*s1234*s24*z2*z3)/(s123^2*z123) + 
 (D*s12*s1234*s24*z2*z3)/(2*s123^2*s13*z123) - 
 (2*s1234*s14*s24*z2*z3)/(s123^2*s13*z123) + (D*s1234*s14*s24*z2*z3)/
  (s123^2*s13*z123) + (s12*s1234*s24*z2*z3)/(s123^2*s23*z123) + 
 (D*s12*s1234*s24*z2*z3)/(2*s123^2*s23*z123) + 
 (s12^2*s1234*s24*z2*z3)/(s123^2*s13*s23*z123) + 
 (D*s1234*s13*s24*z2*z3)/(2*s123^2*s23*z123) - 
 (4*s1234*s14*s24*z2*z3)/(s123^2*s23*z123) + (D*s1234*s14*s24*z2*z3)/
  (s123^2*s23*z123) - (s1234*s23*s24*z2*z3)/(s123^2*s13*z123) + 
 (D*s1234*s23*s24*z2*z3)/(2*s123^2*s13*z123) - 
 (s1234*s24^2*z2*z3)/(s123^2*s13*z123) + (D*s1234*s24^2*z2*z3)/
  (2*s123^2*s13*z123) + (D*s1234*s24^2*z2*z3)/(2*s123^2*s23*z123) + 
 (s12*s1234*s24^2*z2*z3)/(s123^2*s13*s23*z123) - 
 (3*s1234*s34*z2*z3)/(s123^2*z123) + (D*s1234*s34*z2*z3)/(s123^2*z123) - 
 (4*s12*s1234*s34*z2*z3)/(s123^2*s13*z123) + (3*D*s12*s1234*s34*z2*z3)/
  (2*s123^2*s13*z123) - (2*s1234*s14*s34*z2*z3)/(s123^2*s13*z123) + 
 (D*s1234*s14*s34*z2*z3)/(s123^2*s13*z123) - (5*s12*s1234*s34*z2*z3)/
  (s123^2*s23*z123) + (3*D*s12*s1234*s34*z2*z3)/(2*s123^2*s23*z123) - 
 (3*s12^2*s1234*s34*z2*z3)/(s123^2*s13*s23*z123) + 
 (D*s12^2*s1234*s34*z2*z3)/(s123^2*s13*s23*z123) - 
 (2*s1234*s13*s34*z2*z3)/(s123^2*s23*z123) + (D*s1234*s13*s34*z2*z3)/
  (2*s123^2*s23*z123) - (6*s1234*s14*s34*z2*z3)/(s123^2*s23*z123) + 
 (D*s1234*s14*s34*z2*z3)/(s123^2*s23*z123) - (4*s12*s1234*s14*s34*z2*z3)/
  (s123^2*s13*s23*z123) + (D*s12*s1234*s14*s34*z2*z3)/(s123^2*s13*s23*z123) - 
 (s1234*s23*s34*z2*z3)/(s123^2*s13*z123) + (D*s1234*s23*s34*z2*z3)/
  (2*s123^2*s13*z123) - (2*s1234*s24*s34*z2*z3)/(s123^2*s13*z123) + 
 (D*s1234*s24*s34*z2*z3)/(s123^2*s13*z123) - (2*s1234*s24*s34*z2*z3)/
  (s123^2*s23*z123) + (D*s1234*s24*s34*z2*z3)/(s123^2*s23*z123) - 
 (2*s12*s1234*s24*s34*z2*z3)/(s123^2*s13*s23*z123) + 
 (D*s12*s1234*s24*s34*z2*z3)/(s123^2*s13*s23*z123) - 
 (s1234*s34^2*z2*z3)/(s123^2*s13*z123) + (D*s1234*s34^2*z2*z3)/
  (2*s123^2*s13*z123) - (2*s1234*s34^2*z2*z3)/(s123^2*s23*z123) + 
 (D*s1234*s34^2*z2*z3)/(2*s123^2*s23*z123) - (3*s12*s1234*s34^2*z2*z3)/
  (s123^2*s13*s23*z123) + (D*s12*s1234*s34^2*z2*z3)/(s123^2*s13*s23*z123) - 
 (2*s1234*z3^2)/(s124*z12) + (D*s1234*z3^2)/(s124*z12) + 
 (s1234*s14*z3^2)/(s124^2*z12) - (D*s1234*s14*z3^2)/(2*s124^2*z12) - 
 (2*s1234*s14*z3^2)/(s12*s124*z12) + (D*s1234*s14*z3^2)/(s12*s124*z12) + 
 (s1234*s14^2*z3^2)/(s12*s124^2*z12) - (D*s1234*s14^2*z3^2)/
  (2*s12*s124^2*z12) + (s1234*s24*z3^2)/(s124^2*z12) - 
 (D*s1234*s24*z3^2)/(2*s124^2*z12) - (2*s1234*s24*z3^2)/(s12*s124*z12) + 
 (D*s1234*s24*z3^2)/(s12*s124*z12) + (2*s1234*s14*s24*z3^2)/
  (s12*s124^2*z12) - (D*s1234*s14*s24*z3^2)/(s12*s124^2*z12) + 
 (s1234*s24^2*z3^2)/(s12*s124^2*z12) - (D*s1234*s24^2*z3^2)/
  (2*s12*s124^2*z12) - (2*s1234*z3^2)/(s34*z12) + (D*s1234*z3^2)/(s34*z12) - 
 (2*s1234*s13*z3^2)/(s12*s34*z12) + (D*s1234*s13*z3^2)/(s12*s34*z12) + 
 (D*s1234*s14*z3^2)/(2*s12*s34*z12) - (s1234*s14*z3^2)/(s124*s34*z12) + 
 (s1234*s13*s14*z3^2)/(s12*s124*s34*z12) - (D*s1234*s13*s14*z3^2)/
  (2*s12*s124*s34*z12) - (s1234*s14^2*z3^2)/(s12*s124*s34*z12) - 
 (2*s1234*s23*z3^2)/(s12*s34*z12) + (D*s1234*s23*z3^2)/(s12*s34*z12) + 
 (s1234*s14*s23*z3^2)/(s12*s124*s34*z12) - (D*s1234*s14*s23*z3^2)/
  (2*s12*s124*s34*z12) + (D*s1234*s24*z3^2)/(2*s12*s34*z12) - 
 (s1234*s24*z3^2)/(s124*s34*z12) + (s1234*s13*s24*z3^2)/(s12*s124*s34*z12) - 
 (D*s1234*s13*s24*z3^2)/(2*s12*s124*s34*z12) - 
 (2*s1234*s14*s24*z3^2)/(s12*s124*s34*z12) + 
 (s1234*s23*s24*z3^2)/(s12*s124*s34*z12) - (D*s1234*s23*s24*z3^2)/
  (2*s12*s124*s34*z12) - (s1234*s24^2*z3^2)/(s12*s124*s34*z12) + 
 (3*s1234*s14*z3^2)/(s123^2*z123) - (D*s1234*s14*z3^2)/(s123^2*z123) + 
 (5*s12*s1234*s14*z3^2)/(s123^2*s13*z123) - (3*D*s12*s1234*s14*z3^2)/
  (2*s123^2*s13*z123) + (2*s1234*s14^2*z3^2)/(s123^2*s13*z123) - 
 (D*s1234*s14^2*z3^2)/(2*s123^2*s13*z123) + (4*s12*s1234*s14*z3^2)/
  (s123^2*s23*z123) - (3*D*s12*s1234*s14*z3^2)/(2*s123^2*s23*z123) + 
 (3*s12^2*s1234*s14*z3^2)/(s123^2*s13*s23*z123) - 
 (D*s12^2*s1234*s14*z3^2)/(s123^2*s13*s23*z123) + 
 (s1234*s13*s14*z3^2)/(s123^2*s23*z123) - (D*s1234*s13*s14*z3^2)/
  (2*s123^2*s23*z123) + (s1234*s14^2*z3^2)/(s123^2*s23*z123) - 
 (D*s1234*s14^2*z3^2)/(2*s123^2*s23*z123) + (3*s12*s1234*s14^2*z3^2)/
  (s123^2*s13*s23*z123) - (D*s12*s1234*s14^2*z3^2)/(s123^2*s13*s23*z123) + 
 (2*s1234*s14*s23*z3^2)/(s123^2*s13*z123) - (D*s1234*s14*s23*z3^2)/
  (2*s123^2*s13*z123) + (3*s1234*s24*z3^2)/(s123^2*z123) - 
 (D*s1234*s24*z3^2)/(s123^2*z123) + (4*s12*s1234*s24*z3^2)/
  (s123^2*s13*z123) - (3*D*s12*s1234*s24*z3^2)/(2*s123^2*s13*z123) + 
 (3*s1234*s14*s24*z3^2)/(s123^2*s13*z123) - (D*s1234*s14*s24*z3^2)/
  (s123^2*s13*z123) + (5*s12*s1234*s24*z3^2)/(s123^2*s23*z123) - 
 (3*D*s12*s1234*s24*z3^2)/(2*s123^2*s23*z123) + 
 (3*s12^2*s1234*s24*z3^2)/(s123^2*s13*s23*z123) - 
 (D*s12^2*s1234*s24*z3^2)/(s123^2*s13*s23*z123) + 
 (2*s1234*s13*s24*z3^2)/(s123^2*s23*z123) - (D*s1234*s13*s24*z3^2)/
  (2*s123^2*s23*z123) + (3*s1234*s14*s24*z3^2)/(s123^2*s23*z123) - 
 (D*s1234*s14*s24*z3^2)/(s123^2*s23*z123) + (6*s12*s1234*s14*s24*z3^2)/
  (s123^2*s13*s23*z123) - (2*D*s12*s1234*s14*s24*z3^2)/
  (s123^2*s13*s23*z123) + (s1234*s23*s24*z3^2)/(s123^2*s13*z123) - 
 (D*s1234*s23*s24*z3^2)/(2*s123^2*s13*z123) + 
 (s1234*s24^2*z3^2)/(s123^2*s13*z123) - (D*s1234*s24^2*z3^2)/
  (2*s123^2*s13*z123) + (2*s1234*s24^2*z3^2)/(s123^2*s23*z123) - 
 (D*s1234*s24^2*z3^2)/(2*s123^2*s23*z123) + (3*s12*s1234*s24^2*z3^2)/
  (s123^2*s13*s23*z123) - (D*s12*s1234*s24^2*z3^2)/(s123^2*s13*s23*z123) + 
 (2*s1234*s14*s34*z3^2)/(s123^2*s13*z123) - (D*s1234*s14*s34*z3^2)/
  (2*s123^2*s13*z123) + (s1234*s14*s34*z3^2)/(s123^2*s23*z123) - 
 (D*s1234*s14*s34*z3^2)/(2*s123^2*s23*z123) + 
 (3*s12*s1234*s14*s34*z3^2)/(s123^2*s13*s23*z123) - 
 (D*s12*s1234*s14*s34*z3^2)/(s123^2*s13*s23*z123) + 
 (s1234*s24*s34*z3^2)/(s123^2*s13*z123) - (D*s1234*s24*s34*z3^2)/
  (2*s123^2*s13*z123) + (2*s1234*s24*s34*z3^2)/(s123^2*s23*z123) - 
 (D*s1234*s24*s34*z3^2)/(2*s123^2*s23*z123) + 
 (3*s12*s1234*s24*s34*z3^2)/(s123^2*s13*s23*z123) - 
 (D*s12*s1234*s24*s34*z3^2)/(s123^2*s13*s23*z123) + (2*s1234*z4)/s12 - 
 (3*D*s1234*z4)/(2*s12) + (D^2*s1234*z4)/(4*s12) + 
 (2*D*s12*s1234*z4)/s123^2 - (D^2*s12*s1234*z4)/(2*s123^2) + 
 (2*s12*s1234*z4)/s124^2 - (3*D*s12*s1234*z4)/(2*s124^2) + 
 (D^2*s12*s1234*z4)/(4*s124^2) - (4*s1234*z4)/s124 + (3*D*s1234*z4)/s124 - 
 (D^2*s1234*z4)/(2*s124) + (8*s12^2*s1234*z4)/(s123^2*s13) - 
 (2*D*s12^2*s1234*z4)/(s123^2*s13) - (10*s1234*s13*z4)/s123^2 + 
 (11*D*s1234*s13*z4)/(2*s123^2) - (3*D^2*s1234*s13*z4)/(4*s123^2) + 
 (4*s1234*s13*z4)/s124^2 - (2*D*s1234*s13*z4)/s124^2 + 
 (D^2*s1234*s13*z4)/(4*s124^2) - (6*s1234*s13*z4)/(s12*s124) + 
 (5*D*s1234*s13*z4)/(2*s12*s124) - (D^2*s1234*s13*z4)/(4*s12*s124) - 
 (4*s1234*s14*z4)/s123^2 + (D*s1234*s14*z4)/s123^2 + 
 (5*s1234*s14*z4)/s124^2 - (7*D*s1234*s14*z4)/(2*s124^2) + 
 (D^2*s1234*s14*z4)/(2*s124^2) - (6*s1234*s14*z4)/(s12*s124) + 
 (9*D*s1234*s14*z4)/(2*s12*s124) - (D^2*s1234*s14*z4)/(2*s12*s124) + 
 (2*s12*s1234*s14*z4)/(s123^2*s13) + (2*s1234*s13*s14*z4)/(s12*s124^2) - 
 (D*s1234*s13*s14*z4)/(s12*s124^2) + (D^2*s1234*s13*s14*z4)/(4*s12*s124^2) + 
 (3*s1234*s14^2*z4)/(s12*s124^2) - (2*D*s1234*s14^2*z4)/(s12*s124^2) + 
 (D^2*s1234*s14^2*z4)/(4*s12*s124^2) - (2*s1234*s14^2*z4)/(s123^2*s13) + 
 (8*s12^2*s1234*z4)/(s123^2*s23) - (2*D*s12^2*s1234*z4)/(s123^2*s23) + 
 (4*s12^3*s1234*z4)/(s123^2*s13*s23) - (D*s12^3*s1234*z4)/(s123^2*s13*s23) + 
 (2*s12*s1234*s13*z4)/(s123^2*s23) + (D*s12*s1234*s13*z4)/(2*s123^2*s23) - 
 (D^2*s12*s1234*s13*z4)/(4*s123^2*s23) - (2*s1234*s13^2*z4)/(s123^2*s23) + 
 (3*D*s1234*s13^2*z4)/(2*s123^2*s23) - (D^2*s1234*s13^2*z4)/(4*s123^2*s23) + 
 (2*s12*s1234*s14*z4)/(s123^2*s23) + (2*s12^2*s1234*s14*z4)/
  (s123^2*s13*s23) - (s1234*s13*s14*z4)/(s123^2*s23) + 
 (D*s1234*s13*s14*z4)/(2*s123^2*s23) - (10*s1234*s23*z4)/s123^2 + 
 (11*D*s1234*s23*z4)/(2*s123^2) - (3*D^2*s1234*s23*z4)/(4*s123^2) + 
 (4*s1234*s23*z4)/s124^2 - (2*D*s1234*s23*z4)/s124^2 + 
 (D^2*s1234*s23*z4)/(4*s124^2) - (6*s1234*s23*z4)/(s12*s124) + 
 (5*D*s1234*s23*z4)/(2*s12*s124) - (D^2*s1234*s23*z4)/(4*s12*s124) + 
 (2*s12*s1234*s23*z4)/(s123^2*s13) + (D*s12*s1234*s23*z4)/(2*s123^2*s13) - 
 (D^2*s12*s1234*s23*z4)/(4*s123^2*s13) + (2*s1234*s14*s23*z4)/(s12*s124^2) - 
 (3*D*s1234*s14*s23*z4)/(2*s12*s124^2) + (D^2*s1234*s14*s23*z4)/
  (4*s12*s124^2) + (2*s1234*s14*s23*z4)/(s12^2*s124) + 
 (D*s1234*s14*s23*z4)/(2*s12^2*s124) - (s1234*s14*s23*z4)/(s123^2*s13) + 
 (D*s1234*s14*s23*z4)/(2*s123^2*s13) - (D*s1234*s14^2*s23*z4)/
  (2*s12^2*s124^2) - (2*s1234*s23^2*z4)/(s123^2*s13) + 
 (3*D*s1234*s23^2*z4)/(2*s123^2*s13) - (D^2*s1234*s23^2*z4)/(4*s123^2*s13) - 
 (4*s1234*s24*z4)/s123^2 + (D*s1234*s24*z4)/s123^2 + 
 (5*s1234*s24*z4)/s124^2 - (7*D*s1234*s24*z4)/(2*s124^2) + 
 (D^2*s1234*s24*z4)/(2*s124^2) - (6*s1234*s24*z4)/(s12*s124) + 
 (9*D*s1234*s24*z4)/(2*s12*s124) - (D^2*s1234*s24*z4)/(2*s12*s124) + 
 (2*s12*s1234*s24*z4)/(s123^2*s13) + (2*s1234*s13*s24*z4)/(s12*s124^2) - 
 (3*D*s1234*s13*s24*z4)/(2*s12*s124^2) + (D^2*s1234*s13*s24*z4)/
  (4*s12*s124^2) + (2*s1234*s13*s24*z4)/(s12^2*s124) + 
 (D*s1234*s13*s24*z4)/(2*s12^2*s124) + (4*s1234*s14*s24*z4)/(s12*s124^2) - 
 (4*D*s1234*s14*s24*z4)/(s12*s124^2) + (D^2*s1234*s14*s24*z4)/
  (2*s12*s124^2) + (10*s1234*s14*s24*z4)/(s12^2*s124) + 
 (2*s1234*s14*s24*z4)/(s123^2*s13) + (4*s1234*s13*s14*s24*z4)/
  (s12^2*s124^2) - (D*s1234*s13*s14*s24*z4)/(2*s12^2*s124^2) - 
 (2*s1234*s14^2*s24*z4)/(s12^2*s124^2) + (2*s12*s1234*s24*z4)/(s123^2*s23) + 
 (2*s12^2*s1234*s24*z4)/(s123^2*s13*s23) - (s1234*s13*s24*z4)/(s123^2*s23) + 
 (D*s1234*s13*s24*z4)/(2*s123^2*s23) + (2*s1234*s14*s24*z4)/(s123^2*s23) + 
 (4*s12*s1234*s14*s24*z4)/(s123^2*s13*s23) + 
 (2*s1234*s23*s24*z4)/(s12*s124^2) - (D*s1234*s23*s24*z4)/(s12*s124^2) + 
 (D^2*s1234*s23*s24*z4)/(4*s12*s124^2) - (s1234*s23*s24*z4)/(s123^2*s13) + 
 (D*s1234*s23*s24*z4)/(2*s123^2*s13) + (4*s1234*s14*s23*s24*z4)/
  (s12^2*s124^2) - (D*s1234*s14*s23*s24*z4)/(2*s12^2*s124^2) + 
 (3*s1234*s24^2*z4)/(s12*s124^2) - (2*D*s1234*s24^2*z4)/(s12*s124^2) + 
 (D^2*s1234*s24^2*z4)/(4*s12*s124^2) - (D*s1234*s13*s24^2*z4)/
  (2*s12^2*s124^2) - (2*s1234*s14*s24^2*z4)/(s12^2*s124^2) - 
 (2*s1234*s24^2*z4)/(s123^2*s23) + (4*s1234*z4)/s34 - (D*s1234*z4)/s34 + 
 (4*s1234*s13*z4)/(s12*s34) - (3*D*s1234*s13*z4)/(2*s12*s34) + 
 (D^2*s1234*s13*z4)/(4*s12*s34) - (4*s1234*s13*z4)/(s124*s34) + 
 (2*D*s1234*s13*z4)/(s124*s34) - (D^2*s1234*s13*z4)/(4*s124*s34) - 
 (5*s1234*s13^2*z4)/(s12*s124*s34) + (5*D*s1234*s13^2*z4)/(2*s12*s124*s34) - 
 (D^2*s1234*s13^2*z4)/(4*s12*s124*s34) + (s1234*s14*z4)/(s12*s34) + 
 (D*s1234*s14*z4)/(2*s12*s34) - (2*s1234*s14*z4)/(s124*s34) + 
 (D*s1234*s14*z4)/(2*s124*s34) - (7*s1234*s13*s14*z4)/(s12*s124*s34) + 
 (3*D*s1234*s13*s14*z4)/(s12*s124*s34) - (D^2*s1234*s13*s14*z4)/
  (4*s12*s124*s34) - (D*s1234*s14^2*z4)/(2*s12*s124*s34) + 
 (4*s1234*s23*z4)/(s12*s34) - (3*D*s1234*s23*z4)/(2*s12*s34) + 
 (D^2*s1234*s23*z4)/(4*s12*s34) - (4*s1234*s23*z4)/(s124*s34) + 
 (2*D*s1234*s23*z4)/(s124*s34) - (D^2*s1234*s23*z4)/(4*s124*s34) + 
 (D*s1234*s13*s23*z4)/(s12^2*s34) - (12*s1234*s13*s23*z4)/(s12*s124*s34) + 
 (5*D*s1234*s13*s23*z4)/(s12*s124*s34) - (D^2*s1234*s13*s23*z4)/
  (2*s12*s124*s34) + (3*s1234*s14*s23*z4)/(s12^2*s34) + 
 (D*s1234*s14*s23*z4)/(2*s12^2*s34) - (6*s1234*s14*s23*z4)/(s12*s124*s34) + 
 (5*D*s1234*s14*s23*z4)/(2*s12*s124*s34) - (D^2*s1234*s14*s23*z4)/
  (4*s12*s124*s34) + (2*s1234*s13*s14*s23*z4)/(s12^2*s124*s34) - 
 (D*s1234*s13*s14*s23*z4)/(s12^2*s124*s34) - 
 (s1234*s14^2*s23*z4)/(s12^2*s124*s34) - (D*s1234*s14^2*s23*z4)/
  (2*s12^2*s124*s34) - (5*s1234*s23^2*z4)/(s12*s124*s34) + 
 (5*D*s1234*s23^2*z4)/(2*s12*s124*s34) - (D^2*s1234*s23^2*z4)/
  (4*s12*s124*s34) + (2*s1234*s14*s23^2*z4)/(s12^2*s124*s34) + 
 (s1234*s24*z4)/(s12*s34) + (D*s1234*s24*z4)/(2*s12*s34) - 
 (2*s1234*s24*z4)/(s124*s34) + (D*s1234*s24*z4)/(2*s124*s34) + 
 (3*s1234*s13*s24*z4)/(s12^2*s34) + (D*s1234*s13*s24*z4)/(2*s12^2*s34) - 
 (6*s1234*s13*s24*z4)/(s12*s124*s34) + (5*D*s1234*s13*s24*z4)/
  (2*s12*s124*s34) - (D^2*s1234*s13*s24*z4)/(4*s12*s124*s34) + 
 (2*s1234*s13^2*s24*z4)/(s12^2*s124*s34) + (6*s1234*s14*s24*z4)/(s12^2*s34) + 
 (2*s1234*s14*s24*z4)/(s12*s124*s34) - (D*s1234*s14*s24*z4)/(s12*s124*s34) + 
 (3*s1234*s13*s14*s24*z4)/(s12^2*s124*s34) - (D*s1234*s13*s14*s24*z4)/
  (2*s12^2*s124*s34) - (2*s1234*s14^2*s24*z4)/(s12^2*s124*s34) - 
 (7*s1234*s23*s24*z4)/(s12*s124*s34) + (3*D*s1234*s23*s24*z4)/
  (s12*s124*s34) - (D^2*s1234*s23*s24*z4)/(4*s12*s124*s34) + 
 (2*s1234*s13*s23*s24*z4)/(s12^2*s124*s34) - (D*s1234*s13*s23*s24*z4)/
  (s12^2*s124*s34) + (3*s1234*s14*s23*s24*z4)/(s12^2*s124*s34) - 
 (D*s1234*s14*s23*s24*z4)/(2*s12^2*s124*s34) - 
 (D*s1234*s24^2*z4)/(2*s12*s124*s34) - (s1234*s13*s24^2*z4)/
  (s12^2*s124*s34) - (D*s1234*s13*s24^2*z4)/(2*s12^2*s124*s34) - 
 (2*s1234*s14*s24^2*z4)/(s12^2*s124*s34) - (4*s1234*s34*z4)/s123^2 + 
 (D*s1234*s34*z4)/s123^2 + (4*s1234*s34*z4)/s124^2 - 
 (D*s1234*s34*z4)/s124^2 - (2*s1234*s34*z4)/(s12*s124) + 
 (2*s12*s1234*s34*z4)/(s123^2*s13) + (2*s1234*s14*s34*z4)/(s12*s124^2) - 
 (4*s1234*s14*s34*z4)/(s123^2*s13) + (D*s1234*s14*s34*z4)/(s123^2*s13) + 
 (2*s12*s1234*s34*z4)/(s123^2*s23) + (2*s12^2*s1234*s34*z4)/
  (s123^2*s13*s23) - (s1234*s13*s34*z4)/(s123^2*s23) + 
 (D*s1234*s13*s34*z4)/(2*s123^2*s23) - (2*s1234*s14*s34*z4)/(s123^2*s23) + 
 (D*s1234*s14*s34*z4)/(s123^2*s23) + (2*s12*s1234*s14*s34*z4)/
  (s123^2*s13*s23) - (s1234*s23*s34*z4)/(s123^2*s13) + 
 (D*s1234*s23*s34*z4)/(2*s123^2*s13) + (2*s1234*s24*s34*z4)/(s12*s124^2) - 
 (2*s1234*s24*s34*z4)/(s123^2*s13) + (D*s1234*s24*s34*z4)/(s123^2*s13) + 
 (4*s1234*s14*s24*s34*z4)/(s12^2*s124^2) - (4*s1234*s24*s34*z4)/
  (s123^2*s23) + (D*s1234*s24*s34*z4)/(s123^2*s23) + 
 (2*s12*s1234*s24*s34*z4)/(s123^2*s13*s23) + 
 (4*s12*s1234*s34^2*z4)/(s123^2*s13*s23) - (D*s12*s1234*s34^2*z4)/
  (s123^2*s13*s23) - (4*s1234*z1*z4)/(s12*z12) - 
 (3*s12*s1234*z1*z4)/(s124^2*z12) + (D*s12*s1234*z1*z4)/(2*s124^2*z12) + 
 (11*s1234*z1*z4)/(s124*z12) - (D*s1234*z1*z4)/(2*s124*z12) + 
 (2*s1234*s13*z1*z4)/(s124^2*z12) + (s1234*s13*z1*z4)/(s12*s124*z12) - 
 (8*s1234*s14*z1*z4)/(s124^2*z12) + (D*s1234*s14*z1*z4)/(s124^2*z12) + 
 (12*s1234*s14*z1*z4)/(s12*s124*z12) - (D*s1234*s14*z1*z4)/(2*s12*s124*z12) + 
 (2*s1234*s13*s14*z1*z4)/(s12*s124^2*z12) - (5*s1234*s14^2*z1*z4)/
  (s12*s124^2*z12) + (D*s1234*s14^2*z1*z4)/(2*s12*s124^2*z12) + 
 (2*s1234*s23*z1*z4)/(s124^2*z12) - (3*s1234*s23*z1*z4)/(s12*s124*z12) + 
 (2*s1234*s14*s23*z1*z4)/(s12*s124^2*z12) + (D*s1234*s14*s23*z1*z4)/
  (2*s12*s124^2*z12) - (2*s1234*s14*s23*z1*z4)/(s12^2*s124*z12) - 
 (D*s1234*s14*s23*z1*z4)/(2*s12^2*s124*z12) + 
 (D*s1234*s14^2*s23*z1*z4)/(2*s12^2*s124^2*z12) - 
 (6*s1234*s24*z1*z4)/(s124^2*z12) + (D*s1234*s24*z1*z4)/(s124^2*z12) - 
 (D*s1234*s24*z1*z4)/(2*s12*s124*z12) - (2*s1234*s13*s24*z1*z4)/
  (s12*s124^2*z12) + (D*s1234*s13*s24*z1*z4)/(2*s12*s124^2*z12) - 
 (2*s1234*s13*s24*z1*z4)/(s12^2*s124*z12) - (D*s1234*s13*s24*z1*z4)/
  (2*s12^2*s124*z12) - (6*s1234*s14*s24*z1*z4)/(s12*s124^2*z12) + 
 (D*s1234*s14*s24*z1*z4)/(s12*s124^2*z12) - (10*s1234*s14*s24*z1*z4)/
  (s12^2*s124*z12) - (4*s1234*s13*s14*s24*z1*z4)/(s12^2*s124^2*z12) + 
 (D*s1234*s13*s14*s24*z1*z4)/(2*s12^2*s124^2*z12) + 
 (2*s1234*s14^2*s24*z1*z4)/(s12^2*s124^2*z12) - 
 (2*s1234*s23*s24*z1*z4)/(s12*s124^2*z12) + (D*s1234*s23*s24*z1*z4)/
  (s12*s124^2*z12) - (4*s1234*s23*s24*z1*z4)/(s12^2*s124*z12) - 
 (D*s1234*s23*s24*z1*z4)/(s12^2*s124*z12) - (4*s1234*s14*s23*s24*z1*z4)/
  (s12^2*s124^2*z12) + (3*D*s1234*s14*s23*s24*z1*z4)/(2*s12^2*s124^2*z12) - 
 (s1234*s24^2*z1*z4)/(s12*s124^2*z12) + (D*s1234*s24^2*z1*z4)/
  (2*s12*s124^2*z12) - (10*s1234*s24^2*z1*z4)/(s12^2*s124*z12) - 
 (4*s1234*s13*s24^2*z1*z4)/(s12^2*s124^2*z12) + 
 (D*s1234*s13*s24^2*z1*z4)/(2*s12^2*s124^2*z12) + 
 (4*s1234*s14*s24^2*z1*z4)/(s12^2*s124^2*z12) - 
 (4*s1234*s23*s24^2*z1*z4)/(s12^2*s124^2*z12) + 
 (D*s1234*s23*s24^2*z1*z4)/(s12^2*s124^2*z12) + 
 (2*s1234*s24^3*z1*z4)/(s12^2*s124^2*z12) + (2*s1234*z1*z4)/(s34*z12) + 
 (D*s1234*s13*z1*z4)/(2*s12*s34*z12) + (3*s1234*s13*z1*z4)/(s124*s34*z12) - 
 (D*s1234*s13*z1*z4)/(2*s124*s34*z12) + (s1234*s13^2*z1*z4)/
  (s12*s124*s34*z12) + (3*s1234*s14*z1*z4)/(s12*s34*z12) - 
 (2*s1234*s14*z1*z4)/(s124*s34*z12) + (2*s1234*s13*s14*z1*z4)/
  (s12*s124*s34*z12) - (D*s1234*s13*s14*z1*z4)/(2*s12*s124*s34*z12) - 
 (2*s1234*s14^2*z1*z4)/(s12*s124*s34*z12) - 
 (D*s1234*s23*z1*z4)/(2*s12*s34*z12) - (s1234*s23*z1*z4)/(s124*s34*z12) + 
 (D*s1234*s23*z1*z4)/(2*s124*s34*z12) - (D*s1234*s13*s23*z1*z4)/
  (s12^2*s34*z12) - (2*s1234*s13*s23*z1*z4)/(s12*s124*s34*z12) + 
 (D*s1234*s13*s23*z1*z4)/(s12*s124*s34*z12) - 
 (3*s1234*s14*s23*z1*z4)/(s12^2*s34*z12) - (D*s1234*s14*s23*z1*z4)/
  (2*s12^2*s34*z12) - (s1234*s14*s23*z1*z4)/(s12*s124*s34*z12) + 
 (D*s1234*s14*s23*z1*z4)/(s12*s124*s34*z12) - (2*s1234*s13*s14*s23*z1*z4)/
  (s12^2*s124*s34*z12) + (D*s1234*s13*s14*s23*z1*z4)/(s12^2*s124*s34*z12) + 
 (s1234*s14^2*s23*z1*z4)/(s12^2*s124*s34*z12) + 
 (D*s1234*s14^2*s23*z1*z4)/(2*s12^2*s124*s34*z12) - 
 (D*s1234*s23^2*z1*z4)/(s12^2*s34*z12) - (3*s1234*s23^2*z1*z4)/
  (s12*s124*s34*z12) + (D*s1234*s23^2*z1*z4)/(s12*s124*s34*z12) - 
 (2*s1234*s14*s23^2*z1*z4)/(s12^2*s124*s34*z12) + 
 (D*s1234*s14*s23^2*z1*z4)/(s12^2*s124*s34*z12) - 
 (3*s1234*s24*z1*z4)/(s12*s34*z12) - (2*s1234*s24*z1*z4)/(s124*s34*z12) - 
 (3*s1234*s13*s24*z1*z4)/(s12^2*s34*z12) - (D*s1234*s13*s24*z1*z4)/
  (2*s12^2*s34*z12) - (3*s1234*s13*s24*z1*z4)/(s12*s124*s34*z12) - 
 (2*s1234*s13^2*s24*z1*z4)/(s12^2*s124*s34*z12) - 
 (6*s1234*s14*s24*z1*z4)/(s12^2*s34*z12) - (2*s1234*s14*s24*z1*z4)/
  (s12*s124*s34*z12) - (3*s1234*s13*s14*s24*z1*z4)/(s12^2*s124*s34*z12) + 
 (D*s1234*s13*s14*s24*z1*z4)/(2*s12^2*s124*s34*z12) + 
 (2*s1234*s14^2*s24*z1*z4)/(s12^2*s124*s34*z12) - 
 (6*s1234*s23*s24*z1*z4)/(s12^2*s34*z12) - (D*s1234*s23*s24*z1*z4)/
  (s12^2*s34*z12) - (6*s1234*s23*s24*z1*z4)/(s12*s124*s34*z12) + 
 (3*D*s1234*s23*s24*z1*z4)/(2*s12*s124*s34*z12) - 
 (6*s1234*s13*s23*s24*z1*z4)/(s12^2*s124*s34*z12) + 
 (D*s1234*s13*s23*s24*z1*z4)/(s12^2*s124*s34*z12) - 
 (s1234*s14*s23*s24*z1*z4)/(s12^2*s124*s34*z12) + 
 (3*D*s1234*s14*s23*s24*z1*z4)/(2*s12^2*s124*s34*z12) - 
 (4*s1234*s23^2*s24*z1*z4)/(s12^2*s124*s34*z12) + 
 (D*s1234*s23^2*s24*z1*z4)/(s12^2*s124*s34*z12) - 
 (6*s1234*s24^2*z1*z4)/(s12^2*s34*z12) - (3*s1234*s13*s24^2*z1*z4)/
  (s12^2*s124*s34*z12) + (D*s1234*s13*s24^2*z1*z4)/(2*s12^2*s124*s34*z12) + 
 (4*s1234*s14*s24^2*z1*z4)/(s12^2*s124*s34*z12) - 
 (2*s1234*s23*s24^2*z1*z4)/(s12^2*s124*s34*z12) + 
 (D*s1234*s23*s24^2*z1*z4)/(s12^2*s124*s34*z12) + 
 (2*s1234*s24^3*z1*z4)/(s12^2*s124*s34*z12) + 
 (2*s1234*s34*z1*z4)/(s124^2*z12) + (D*s1234*s34*z1*z4)/(2*s124^2*z12) - 
 (D*s1234*s34*z1*z4)/(2*s12*s124*z12) + (2*s1234*s14*s34*z1*z4)/
  (s12*s124^2*z12) + (D*s1234*s14*s34*z1*z4)/(2*s12*s124^2*z12) - 
 (2*s1234*s24*s34*z1*z4)/(s12*s124^2*z12) + (D*s1234*s24*s34*z1*z4)/
  (2*s12*s124^2*z12) - (4*s1234*s14*s24*s34*z1*z4)/(s12^2*s124^2*z12) - 
 (4*s1234*s24^2*s34*z1*z4)/(s12^2*s124^2*z12) - 
 (4*s12*s1234*z1^2*z4)/(s123^2*z123^2) - (2*s12^2*s1234*z1^2*z4)/
  (s123^2*s13*z123^2) - (2*s1234*s13*z1^2*z4)/(s123^2*z123^2) - 
 (4*s1234*s14*z1^2*z4)/(s123^2*z123^2) - (4*s12*s1234*s14*z1^2*z4)/
  (s123^2*s13*z123^2) - (2*s1234*s14^2*z1^2*z4)/(s123^2*s13*z123^2) - 
 (4*s1234*s23*z1^2*z4)/(s123^2*z123^2) - (4*s12*s1234*s23*z1^2*z4)/
  (s123^2*s13*z123^2) - (4*s1234*s14*s23*z1^2*z4)/(s123^2*s13*z123^2) - 
 (2*s1234*s23^2*z1^2*z4)/(s123^2*s13*z123^2) - 
 (4*s1234*s24*z1^2*z4)/(s123^2*z123^2) - (4*s12*s1234*s24*z1^2*z4)/
  (s123^2*s13*z123^2) - (4*s1234*s14*s24*z1^2*z4)/(s123^2*s13*z123^2) - 
 (4*s1234*s23*s24*z1^2*z4)/(s123^2*s13*z123^2) - 
 (2*s1234*s24^2*z1^2*z4)/(s123^2*s13*z123^2) - 
 (4*s1234*s34*z1^2*z4)/(s123^2*z123^2) - (4*s12*s1234*s34*z1^2*z4)/
  (s123^2*s13*z123^2) - (4*s1234*s14*s34*z1^2*z4)/(s123^2*s13*z123^2) - 
 (4*s1234*s23*s34*z1^2*z4)/(s123^2*s13*z123^2) - 
 (4*s1234*s24*s34*z1^2*z4)/(s123^2*s13*z123^2) - 
 (2*s1234*s34^2*z1^2*z4)/(s123^2*s13*z123^2) + 
 (D*s12*s1234*z1*z4)/(s123^2*z123) + (4*s12^2*s1234*z1*z4)/
  (s123^2*s13*z123) - (5*s1234*s13*z1*z4)/(s123^2*z123) + 
 (3*D*s1234*s13*z1*z4)/(2*s123^2*z123) + (D*s1234*s14*z1*z4)/(s123^2*z123) + 
 (6*s12*s1234*s14*z1*z4)/(s123^2*s13*z123) + 
 (4*s1234*s14^2*z1*z4)/(s123^2*s13*z123) + (4*s12^2*s1234*z1*z4)/
  (s123^2*s23*z123) + (2*s12^3*s1234*z1*z4)/(s123^2*s13*s23*z123) + 
 (s12*s1234*s13*z1*z4)/(s123^2*s23*z123) + (D*s12*s1234*s13*z1*z4)/
  (2*s123^2*s23*z123) - (s1234*s13^2*z1*z4)/(s123^2*s23*z123) + 
 (D*s1234*s13^2*z1*z4)/(2*s123^2*s23*z123) + (2*s12*s1234*s14*z1*z4)/
  (s123^2*s23*z123) + (2*s12^2*s1234*s14*z1*z4)/(s123^2*s13*s23*z123) - 
 (s1234*s13*s14*z1*z4)/(s123^2*s23*z123) + (D*s1234*s13*s14*z1*z4)/
  (2*s123^2*s23*z123) - (5*s1234*s23*z1*z4)/(s123^2*z123) + 
 (3*D*s1234*s23*z1*z4)/(2*s123^2*z123) + (s12*s1234*s23*z1*z4)/
  (s123^2*s13*z123) + (D*s12*s1234*s23*z1*z4)/(2*s123^2*s13*z123) + 
 (3*s1234*s14*s23*z1*z4)/(s123^2*s13*z123) + (D*s1234*s14*s23*z1*z4)/
  (2*s123^2*s13*z123) - (s1234*s23^2*z1*z4)/(s123^2*s13*z123) + 
 (D*s1234*s23^2*z1*z4)/(2*s123^2*s13*z123) - 
 (8*s1234*s24*z1*z4)/(s123^2*z123) + (D*s1234*s24*z1*z4)/(s123^2*z123) - 
 (4*s12*s1234*s24*z1*z4)/(s123^2*s13*z123) + (2*s1234*s14*s24*z1*z4)/
  (s123^2*s13*z123) - (4*s12*s1234*s24*z1*z4)/(s123^2*s23*z123) - 
 (2*s12^2*s1234*s24*z1*z4)/(s123^2*s13*s23*z123) - 
 (3*s1234*s13*s24*z1*z4)/(s123^2*s23*z123) + (D*s1234*s13*s24*z1*z4)/
  (2*s123^2*s23*z123) - (2*s1234*s14*s24*z1*z4)/(s123^2*s23*z123) - 
 (4*s12*s1234*s14*s24*z1*z4)/(s123^2*s13*s23*z123) - 
 (3*s1234*s23*s24*z1*z4)/(s123^2*s13*z123) + (D*s1234*s23*s24*z1*z4)/
  (2*s123^2*s13*z123) - (2*s1234*s24^2*z1*z4)/(s123^2*s13*z123) - 
 (2*s1234*s24^2*z1*z4)/(s123^2*s23*z123) - (4*s12*s1234*s24^2*z1*z4)/
  (s123^2*s13*s23*z123) + (2*s1234*s34*z1*z4)/(s123^2*z123) - 
 (D*s1234*s34*z1*z4)/(s123^2*z123) + (4*s12*s1234*s34*z1*z4)/
  (s123^2*s13*z123) - (D*s12*s1234*s34*z1*z4)/(s123^2*s13*z123) + 
 (8*s1234*s14*s34*z1*z4)/(s123^2*s13*z123) - (D*s1234*s14*s34*z1*z4)/
  (s123^2*s13*z123) + (2*s12*s1234*s34*z1*z4)/(s123^2*s23*z123) - 
 (D*s12*s1234*s34*z1*z4)/(s123^2*s23*z123) + 
 (s1234*s13*s34*z1*z4)/(s123^2*s23*z123) - (D*s1234*s13*s34*z1*z4)/
  (2*s123^2*s23*z123) + (2*s1234*s14*s34*z1*z4)/(s123^2*s23*z123) - 
 (D*s1234*s14*s34*z1*z4)/(s123^2*s23*z123) - (2*s12*s1234*s14*s34*z1*z4)/
  (s123^2*s13*s23*z123) + (3*s1234*s23*s34*z1*z4)/(s123^2*s13*z123) - 
 (D*s1234*s23*s34*z1*z4)/(2*s123^2*s13*z123) + 
 (2*s1234*s24*s34*z1*z4)/(s123^2*s13*z123) - (D*s1234*s24*s34*z1*z4)/
  (s123^2*s13*z123) - (D*s1234*s24*s34*z1*z4)/(s123^2*s23*z123) - 
 (6*s12*s1234*s24*s34*z1*z4)/(s123^2*s13*s23*z123) + 
 (4*s1234*s34^2*z1*z4)/(s123^2*s13*z123) - (D*s1234*s34^2*z1*z4)/
  (s123^2*s13*z123) + (2*s1234*s34^2*z1*z4)/(s123^2*s23*z123) - 
 (D*s1234*s34^2*z1*z4)/(s123^2*s23*z123) - (2*s12*s1234*s34^2*z1*z4)/
  (s123^2*s13*s23*z123) + (2*s1234*z1*z2*z4)/(s12*z12^2) - 
 (D*s1234*z1*z2*z4)/(s12*z12^2) + (2*s12*s1234*z1*z2*z4)/(s124^2*z12^2) - 
 (D*s12*s1234*z1*z2*z4)/(s124^2*z12^2) + (4*s1234*z1*z2*z4)/(s124*z12^2) + 
 (2*D*s1234*z1*z2*z4)/(s124*z12^2) + (4*s1234*s13*z1*z2*z4)/(s124^2*z12^2) - 
 (D*s1234*s13*z1*z2*z4)/(s124^2*z12^2) + (4*s1234*s13*z1*z2*z4)/
  (s12*s124*z12^2) + (D*s1234*s13*z1*z2*z4)/(s12*s124*z12^2) + 
 (2*s1234*s14*z1*z2*z4)/(s124^2*z12^2) - (2*D*s1234*s14*z1*z2*z4)/
  (s124^2*z12^2) + (14*s1234*s14*z1*z2*z4)/(s12*s124*z12^2) + 
 (2*D*s1234*s14*z1*z2*z4)/(s12*s124*z12^2) + (8*s1234*s13*s14*z1*z2*z4)/
  (s12*s124^2*z12^2) - (2*D*s1234*s13*s14*z1*z2*z4)/(s12*s124^2*z12^2) + 
 (4*s1234*s13*s14*z1*z2*z4)/(s12^2*s124*z12^2) + 
 (D*s1234*s13*s14*z1*z2*z4)/(s12^2*s124*z12^2) - 
 (2*s1234*s14^2*z1*z2*z4)/(s12*s124^2*z12^2) - 
 (D*s1234*s14^2*z1*z2*z4)/(s12*s124^2*z12^2) + 
 (10*s1234*s14^2*z1*z2*z4)/(s12^2*s124*z12^2) + 
 (4*s1234*s13*s14^2*z1*z2*z4)/(s12^2*s124^2*z12^2) - 
 (D*s1234*s13*s14^2*z1*z2*z4)/(s12^2*s124^2*z12^2) - 
 (2*s1234*s14^3*z1*z2*z4)/(s12^2*s124^2*z12^2) + 
 (4*s1234*s23*z1*z2*z4)/(s124^2*z12^2) - (D*s1234*s23*z1*z2*z4)/
  (s124^2*z12^2) + (4*s1234*s23*z1*z2*z4)/(s12*s124*z12^2) + 
 (D*s1234*s23*z1*z2*z4)/(s12*s124*z12^2) + (8*s1234*s14*s23*z1*z2*z4)/
  (s12*s124^2*z12^2) - (2*D*s1234*s14*s23*z1*z2*z4)/(s12*s124^2*z12^2) + 
 (4*s1234*s14*s23*z1*z2*z4)/(s12^2*s124*z12^2) + 
 (D*s1234*s14*s23*z1*z2*z4)/(s12^2*s124*z12^2) + 
 (4*s1234*s14^2*s23*z1*z2*z4)/(s12^2*s124^2*z12^2) - 
 (D*s1234*s14^2*s23*z1*z2*z4)/(s12^2*s124^2*z12^2) + 
 (2*s1234*s24*z1*z2*z4)/(s124^2*z12^2) - (2*D*s1234*s24*z1*z2*z4)/
  (s124^2*z12^2) + (14*s1234*s24*z1*z2*z4)/(s12*s124*z12^2) + 
 (2*D*s1234*s24*z1*z2*z4)/(s12*s124*z12^2) + (8*s1234*s13*s24*z1*z2*z4)/
  (s12*s124^2*z12^2) - (2*D*s1234*s13*s24*z1*z2*z4)/(s12*s124^2*z12^2) + 
 (4*s1234*s13*s24*z1*z2*z4)/(s12^2*s124*z12^2) + 
 (D*s1234*s13*s24*z1*z2*z4)/(s12^2*s124*z12^2) - 
 (4*s1234*s14*s24*z1*z2*z4)/(s12*s124^2*z12^2) - 
 (2*D*s1234*s14*s24*z1*z2*z4)/(s12*s124^2*z12^2) + 
 (20*s1234*s14*s24*z1*z2*z4)/(s12^2*s124*z12^2) + 
 (8*s1234*s13*s14*s24*z1*z2*z4)/(s12^2*s124^2*z12^2) - 
 (2*D*s1234*s13*s14*s24*z1*z2*z4)/(s12^2*s124^2*z12^2) - 
 (6*s1234*s14^2*s24*z1*z2*z4)/(s12^2*s124^2*z12^2) + 
 (8*s1234*s23*s24*z1*z2*z4)/(s12*s124^2*z12^2) - 
 (2*D*s1234*s23*s24*z1*z2*z4)/(s12*s124^2*z12^2) + 
 (4*s1234*s23*s24*z1*z2*z4)/(s12^2*s124*z12^2) + 
 (D*s1234*s23*s24*z1*z2*z4)/(s12^2*s124*z12^2) + 
 (8*s1234*s14*s23*s24*z1*z2*z4)/(s12^2*s124^2*z12^2) - 
 (2*D*s1234*s14*s23*s24*z1*z2*z4)/(s12^2*s124^2*z12^2) - 
 (2*s1234*s24^2*z1*z2*z4)/(s12*s124^2*z12^2) - 
 (D*s1234*s24^2*z1*z2*z4)/(s12*s124^2*z12^2) + 
 (10*s1234*s24^2*z1*z2*z4)/(s12^2*s124*z12^2) + 
 (4*s1234*s13*s24^2*z1*z2*z4)/(s12^2*s124^2*z12^2) - 
 (D*s1234*s13*s24^2*z1*z2*z4)/(s12^2*s124^2*z12^2) - 
 (6*s1234*s14*s24^2*z1*z2*z4)/(s12^2*s124^2*z12^2) + 
 (4*s1234*s23*s24^2*z1*z2*z4)/(s12^2*s124^2*z12^2) - 
 (D*s1234*s23*s24^2*z1*z2*z4)/(s12^2*s124^2*z12^2) - 
 (2*s1234*s24^3*z1*z2*z4)/(s12^2*s124^2*z12^2) + 
 (4*s1234*z1*z2*z4)/(s34*z12^2) + (4*s1234*s13*z1*z2*z4)/(s12*s34*z12^2) + 
 (D*s1234*s13*z1*z2*z4)/(s12*s34*z12^2) + (4*s1234*s13*z1*z2*z4)/
  (s124*s34*z12^2) - (D*s1234*s13*z1*z2*z4)/(s124*s34*z12^2) + 
 (D*s1234*s13^2*z1*z2*z4)/(s12^2*s34*z12^2) + 
 (4*s1234*s13^2*z1*z2*z4)/(s12*s124*s34*z12^2) - 
 (D*s1234*s13^2*z1*z2*z4)/(s12*s124*s34*z12^2) + 
 (10*s1234*s14*z1*z2*z4)/(s12*s34*z12^2) - (2*s1234*s14*z1*z2*z4)/
  (s124*s34*z12^2) + (6*s1234*s13*s14*z1*z2*z4)/(s12^2*s34*z12^2) + 
 (D*s1234*s13*s14*z1*z2*z4)/(s12^2*s34*z12^2) + 
 (6*s1234*s13*s14*z1*z2*z4)/(s12*s124*s34*z12^2) - 
 (2*D*s1234*s13*s14*z1*z2*z4)/(s12*s124*s34*z12^2) + 
 (4*s1234*s13^2*s14*z1*z2*z4)/(s12^2*s124*s34*z12^2) - 
 (D*s1234*s13^2*s14*z1*z2*z4)/(s12^2*s124*s34*z12^2) + 
 (6*s1234*s14^2*z1*z2*z4)/(s12^2*s34*z12^2) - 
 (4*s1234*s14^2*z1*z2*z4)/(s12*s124*s34*z12^2) + 
 (2*s1234*s13*s14^2*z1*z2*z4)/(s12^2*s124*s34*z12^2) - 
 (D*s1234*s13*s14^2*z1*z2*z4)/(s12^2*s124*s34*z12^2) - 
 (2*s1234*s14^3*z1*z2*z4)/(s12^2*s124*s34*z12^2) + 
 (4*s1234*s23*z1*z2*z4)/(s12*s34*z12^2) + (D*s1234*s23*z1*z2*z4)/
  (s12*s34*z12^2) + (4*s1234*s23*z1*z2*z4)/(s124*s34*z12^2) - 
 (D*s1234*s23*z1*z2*z4)/(s124*s34*z12^2) + (2*D*s1234*s13*s23*z1*z2*z4)/
  (s12^2*s34*z12^2) + (8*s1234*s13*s23*z1*z2*z4)/(s12*s124*s34*z12^2) - 
 (2*D*s1234*s13*s23*z1*z2*z4)/(s12*s124*s34*z12^2) + 
 (6*s1234*s14*s23*z1*z2*z4)/(s12^2*s34*z12^2) + 
 (D*s1234*s14*s23*z1*z2*z4)/(s12^2*s34*z12^2) + 
 (6*s1234*s14*s23*z1*z2*z4)/(s12*s124*s34*z12^2) - 
 (2*D*s1234*s14*s23*z1*z2*z4)/(s12*s124*s34*z12^2) + 
 (8*s1234*s13*s14*s23*z1*z2*z4)/(s12^2*s124*s34*z12^2) - 
 (2*D*s1234*s13*s14*s23*z1*z2*z4)/(s12^2*s124*s34*z12^2) + 
 (2*s1234*s14^2*s23*z1*z2*z4)/(s12^2*s124*s34*z12^2) - 
 (D*s1234*s14^2*s23*z1*z2*z4)/(s12^2*s124*s34*z12^2) + 
 (D*s1234*s23^2*z1*z2*z4)/(s12^2*s34*z12^2) + 
 (4*s1234*s23^2*z1*z2*z4)/(s12*s124*s34*z12^2) - 
 (D*s1234*s23^2*z1*z2*z4)/(s12*s124*s34*z12^2) + 
 (4*s1234*s14*s23^2*z1*z2*z4)/(s12^2*s124*s34*z12^2) - 
 (D*s1234*s14*s23^2*z1*z2*z4)/(s12^2*s124*s34*z12^2) + 
 (10*s1234*s24*z1*z2*z4)/(s12*s34*z12^2) - (2*s1234*s24*z1*z2*z4)/
  (s124*s34*z12^2) + (6*s1234*s13*s24*z1*z2*z4)/(s12^2*s34*z12^2) + 
 (D*s1234*s13*s24*z1*z2*z4)/(s12^2*s34*z12^2) + 
 (6*s1234*s13*s24*z1*z2*z4)/(s12*s124*s34*z12^2) - 
 (2*D*s1234*s13*s24*z1*z2*z4)/(s12*s124*s34*z12^2) + 
 (4*s1234*s13^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2) - 
 (D*s1234*s13^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2) + 
 (12*s1234*s14*s24*z1*z2*z4)/(s12^2*s34*z12^2) - 
 (8*s1234*s14*s24*z1*z2*z4)/(s12*s124*s34*z12^2) + 
 (4*s1234*s13*s14*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2) - 
 (2*D*s1234*s13*s14*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2) - 
 (6*s1234*s14^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2) + 
 (6*s1234*s23*s24*z1*z2*z4)/(s12^2*s34*z12^2) + 
 (D*s1234*s23*s24*z1*z2*z4)/(s12^2*s34*z12^2) + 
 (6*s1234*s23*s24*z1*z2*z4)/(s12*s124*s34*z12^2) - 
 (2*D*s1234*s23*s24*z1*z2*z4)/(s12*s124*s34*z12^2) + 
 (8*s1234*s13*s23*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2) - 
 (2*D*s1234*s13*s23*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2) + 
 (4*s1234*s14*s23*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2) - 
 (2*D*s1234*s14*s23*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2) + 
 (4*s1234*s23^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2) - 
 (D*s1234*s23^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2) + 
 (6*s1234*s24^2*z1*z2*z4)/(s12^2*s34*z12^2) - 
 (4*s1234*s24^2*z1*z2*z4)/(s12*s124*s34*z12^2) + 
 (2*s1234*s13*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2) - 
 (D*s1234*s13*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2) - 
 (6*s1234*s14*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2) + 
 (2*s1234*s23*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2) - 
 (D*s1234*s23*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2) - 
 (2*s1234*s24^3*z1*z2*z4)/(s12^2*s124*s34*z12^2) + 
 (4*s1234*s34*z1*z2*z4)/(s124^2*z12^2) + (8*s1234*s14*s34*z1*z2*z4)/
  (s12*s124^2*z12^2) + (4*s1234*s14^2*s34*z1*z2*z4)/(s12^2*s124^2*z12^2) + 
 (8*s1234*s24*s34*z1*z2*z4)/(s12*s124^2*z12^2) + 
 (8*s1234*s14*s24*s34*z1*z2*z4)/(s12^2*s124^2*z12^2) + 
 (4*s1234*s24^2*s34*z1*z2*z4)/(s12^2*s124^2*z12^2) - 
 (4*s1234*z2*z4)/(s12*z12) - (3*s12*s1234*z2*z4)/(s124^2*z12) + 
 (D*s12*s1234*z2*z4)/(2*s124^2*z12) + (11*s1234*z2*z4)/(s124*z12) - 
 (D*s1234*z2*z4)/(2*s124*z12) + (2*s1234*s13*z2*z4)/(s124^2*z12) - 
 (3*s1234*s13*z2*z4)/(s12*s124*z12) - (6*s1234*s14*z2*z4)/(s124^2*z12) + 
 (D*s1234*s14*z2*z4)/(s124^2*z12) - (D*s1234*s14*z2*z4)/(2*s12*s124*z12) - 
 (2*s1234*s13*s14*z2*z4)/(s12*s124^2*z12) + (D*s1234*s13*s14*z2*z4)/
  (s12*s124^2*z12) - (4*s1234*s13*s14*z2*z4)/(s12^2*s124*z12) - 
 (D*s1234*s13*s14*z2*z4)/(s12^2*s124*z12) - 
 (s1234*s14^2*z2*z4)/(s12*s124^2*z12) + (D*s1234*s14^2*z2*z4)/
  (2*s12*s124^2*z12) - (10*s1234*s14^2*z2*z4)/(s12^2*s124*z12) - 
 (4*s1234*s13*s14^2*z2*z4)/(s12^2*s124^2*z12) + 
 (D*s1234*s13*s14^2*z2*z4)/(s12^2*s124^2*z12) + 
 (2*s1234*s14^3*z2*z4)/(s12^2*s124^2*z12) + 
 (2*s1234*s23*z2*z4)/(s124^2*z12) + (s1234*s23*z2*z4)/(s12*s124*z12) - 
 (2*s1234*s14*s23*z2*z4)/(s12*s124^2*z12) + (D*s1234*s14*s23*z2*z4)/
  (2*s12*s124^2*z12) - (2*s1234*s14*s23*z2*z4)/(s12^2*s124*z12) - 
 (D*s1234*s14*s23*z2*z4)/(2*s12^2*s124*z12) - 
 (4*s1234*s14^2*s23*z2*z4)/(s12^2*s124^2*z12) + 
 (D*s1234*s14^2*s23*z2*z4)/(2*s12^2*s124^2*z12) - 
 (8*s1234*s24*z2*z4)/(s124^2*z12) + (D*s1234*s24*z2*z4)/(s124^2*z12) + 
 (12*s1234*s24*z2*z4)/(s12*s124*z12) - (D*s1234*s24*z2*z4)/(2*s12*s124*z12) + 
 (2*s1234*s13*s24*z2*z4)/(s12*s124^2*z12) + (D*s1234*s13*s24*z2*z4)/
  (2*s12*s124^2*z12) - (2*s1234*s13*s24*z2*z4)/(s12^2*s124*z12) - 
 (D*s1234*s13*s24*z2*z4)/(2*s12^2*s124*z12) - 
 (6*s1234*s14*s24*z2*z4)/(s12*s124^2*z12) + (D*s1234*s14*s24*z2*z4)/
  (s12*s124^2*z12) - (10*s1234*s14*s24*z2*z4)/(s12^2*s124*z12) - 
 (4*s1234*s13*s14*s24*z2*z4)/(s12^2*s124^2*z12) + 
 (3*D*s1234*s13*s14*s24*z2*z4)/(2*s12^2*s124^2*z12) + 
 (4*s1234*s14^2*s24*z2*z4)/(s12^2*s124^2*z12) + 
 (2*s1234*s23*s24*z2*z4)/(s12*s124^2*z12) - (4*s1234*s14*s23*s24*z2*z4)/
  (s12^2*s124^2*z12) + (D*s1234*s14*s23*s24*z2*z4)/(2*s12^2*s124^2*z12) - 
 (5*s1234*s24^2*z2*z4)/(s12*s124^2*z12) + (D*s1234*s24^2*z2*z4)/
  (2*s12*s124^2*z12) + (D*s1234*s13*s24^2*z2*z4)/(2*s12^2*s124^2*z12) + 
 (2*s1234*s14*s24^2*z2*z4)/(s12^2*s124^2*z12) + (2*s1234*z2*z4)/(s34*z12) - 
 (D*s1234*s13*z2*z4)/(2*s12*s34*z12) - (s1234*s13*z2*z4)/(s124*s34*z12) + 
 (D*s1234*s13*z2*z4)/(2*s124*s34*z12) - (D*s1234*s13^2*z2*z4)/
  (s12^2*s34*z12) - (3*s1234*s13^2*z2*z4)/(s12*s124*s34*z12) + 
 (D*s1234*s13^2*z2*z4)/(s12*s124*s34*z12) - 
 (3*s1234*s14*z2*z4)/(s12*s34*z12) - (2*s1234*s14*z2*z4)/(s124*s34*z12) - 
 (6*s1234*s13*s14*z2*z4)/(s12^2*s34*z12) - (D*s1234*s13*s14*z2*z4)/
  (s12^2*s34*z12) - (6*s1234*s13*s14*z2*z4)/(s12*s124*s34*z12) + 
 (3*D*s1234*s13*s14*z2*z4)/(2*s12*s124*s34*z12) - 
 (4*s1234*s13^2*s14*z2*z4)/(s12^2*s124*s34*z12) + 
 (D*s1234*s13^2*s14*z2*z4)/(s12^2*s124*s34*z12) - 
 (6*s1234*s14^2*z2*z4)/(s12^2*s34*z12) - (2*s1234*s13*s14^2*z2*z4)/
  (s12^2*s124*s34*z12) + (D*s1234*s13*s14^2*z2*z4)/(s12^2*s124*s34*z12) + 
 (2*s1234*s14^3*z2*z4)/(s12^2*s124*s34*z12) + 
 (D*s1234*s23*z2*z4)/(2*s12*s34*z12) + (3*s1234*s23*z2*z4)/(s124*s34*z12) - 
 (D*s1234*s23*z2*z4)/(2*s124*s34*z12) - (D*s1234*s13*s23*z2*z4)/
  (s12^2*s34*z12) - (2*s1234*s13*s23*z2*z4)/(s12*s124*s34*z12) + 
 (D*s1234*s13*s23*z2*z4)/(s12*s124*s34*z12) - 
 (3*s1234*s14*s23*z2*z4)/(s12^2*s34*z12) - (D*s1234*s14*s23*z2*z4)/
  (2*s12^2*s34*z12) - (3*s1234*s14*s23*z2*z4)/(s12*s124*s34*z12) - 
 (6*s1234*s13*s14*s23*z2*z4)/(s12^2*s124*s34*z12) + 
 (D*s1234*s13*s14*s23*z2*z4)/(s12^2*s124*s34*z12) - 
 (3*s1234*s14^2*s23*z2*z4)/(s12^2*s124*s34*z12) + 
 (D*s1234*s14^2*s23*z2*z4)/(2*s12^2*s124*s34*z12) + 
 (s1234*s23^2*z2*z4)/(s12*s124*s34*z12) - (2*s1234*s14*s23^2*z2*z4)/
  (s12^2*s124*s34*z12) + (3*s1234*s24*z2*z4)/(s12*s34*z12) - 
 (2*s1234*s24*z2*z4)/(s124*s34*z12) - (3*s1234*s13*s24*z2*z4)/
  (s12^2*s34*z12) - (D*s1234*s13*s24*z2*z4)/(2*s12^2*s34*z12) - 
 (s1234*s13*s24*z2*z4)/(s12*s124*s34*z12) + (D*s1234*s13*s24*z2*z4)/
  (s12*s124*s34*z12) - (2*s1234*s13^2*s24*z2*z4)/(s12^2*s124*s34*z12) + 
 (D*s1234*s13^2*s24*z2*z4)/(s12^2*s124*s34*z12) - 
 (6*s1234*s14*s24*z2*z4)/(s12^2*s34*z12) - (2*s1234*s14*s24*z2*z4)/
  (s12*s124*s34*z12) - (s1234*s13*s14*s24*z2*z4)/(s12^2*s124*s34*z12) + 
 (3*D*s1234*s13*s14*s24*z2*z4)/(2*s12^2*s124*s34*z12) + 
 (4*s1234*s14^2*s24*z2*z4)/(s12^2*s124*s34*z12) + 
 (2*s1234*s23*s24*z2*z4)/(s12*s124*s34*z12) - 
 (D*s1234*s23*s24*z2*z4)/(2*s12*s124*s34*z12) - 
 (2*s1234*s13*s23*s24*z2*z4)/(s12^2*s124*s34*z12) + 
 (D*s1234*s13*s23*s24*z2*z4)/(s12^2*s124*s34*z12) - 
 (3*s1234*s14*s23*s24*z2*z4)/(s12^2*s124*s34*z12) + 
 (D*s1234*s14*s23*s24*z2*z4)/(2*s12^2*s124*s34*z12) - 
 (2*s1234*s24^2*z2*z4)/(s12*s124*s34*z12) + (s1234*s13*s24^2*z2*z4)/
  (s12^2*s124*s34*z12) + (D*s1234*s13*s24^2*z2*z4)/(2*s12^2*s124*s34*z12) + 
 (2*s1234*s14*s24^2*z2*z4)/(s12^2*s124*s34*z12) + 
 (2*s1234*s34*z2*z4)/(s124^2*z12) + (D*s1234*s34*z2*z4)/(2*s124^2*z12) - 
 (D*s1234*s34*z2*z4)/(2*s12*s124*z12) - (2*s1234*s14*s34*z2*z4)/
  (s12*s124^2*z12) + (D*s1234*s14*s34*z2*z4)/(2*s12*s124^2*z12) - 
 (4*s1234*s14^2*s34*z2*z4)/(s12^2*s124^2*z12) + 
 (2*s1234*s24*s34*z2*z4)/(s12*s124^2*z12) + (D*s1234*s24*s34*z2*z4)/
  (2*s12*s124^2*z12) - (4*s1234*s14*s24*s34*z2*z4)/(s12^2*s124^2*z12) + 
 (16*s12*s1234*z1*z2*z4)/(s123^2*z123^2) + (10*s12^2*s1234*z1*z2*z4)/
  (s123^2*s13*z123^2) + (6*s1234*s13*z1*z2*z4)/(s123^2*z123^2) + 
 (8*s1234*s14*z1*z2*z4)/(s123^2*z123^2) + (12*s12*s1234*s14*z1*z2*z4)/
  (s123^2*s13*z123^2) + (2*s1234*s14^2*z1*z2*z4)/(s123^2*s13*z123^2) + 
 (10*s12^2*s1234*z1*z2*z4)/(s123^2*s23*z123^2) + 
 (4*s12^3*s1234*z1*z2*z4)/(s123^2*s13*s23*z123^2) + 
 (8*s12*s1234*s13*z1*z2*z4)/(s123^2*s23*z123^2) + 
 (2*s1234*s13^2*z1*z2*z4)/(s123^2*s23*z123^2) + 
 (12*s12*s1234*s14*z1*z2*z4)/(s123^2*s23*z123^2) + 
 (8*s12^2*s1234*s14*z1*z2*z4)/(s123^2*s13*s23*z123^2) + 
 (4*s1234*s13*s14*z1*z2*z4)/(s123^2*s23*z123^2) + 
 (2*s1234*s14^2*z1*z2*z4)/(s123^2*s23*z123^2) + 
 (4*s12*s1234*s14^2*z1*z2*z4)/(s123^2*s13*s23*z123^2) + 
 (6*s1234*s23*z1*z2*z4)/(s123^2*z123^2) + (8*s12*s1234*s23*z1*z2*z4)/
  (s123^2*s13*z123^2) + (4*s1234*s14*s23*z1*z2*z4)/(s123^2*s13*z123^2) + 
 (2*s1234*s23^2*z1*z2*z4)/(s123^2*s13*z123^2) + 
 (8*s1234*s24*z1*z2*z4)/(s123^2*z123^2) + (12*s12*s1234*s24*z1*z2*z4)/
  (s123^2*s13*z123^2) + (4*s1234*s14*s24*z1*z2*z4)/(s123^2*s13*z123^2) + 
 (12*s12*s1234*s24*z1*z2*z4)/(s123^2*s23*z123^2) + 
 (8*s12^2*s1234*s24*z1*z2*z4)/(s123^2*s13*s23*z123^2) + 
 (4*s1234*s13*s24*z1*z2*z4)/(s123^2*s23*z123^2) + 
 (4*s1234*s14*s24*z1*z2*z4)/(s123^2*s23*z123^2) + 
 (8*s12*s1234*s14*s24*z1*z2*z4)/(s123^2*s13*s23*z123^2) + 
 (4*s1234*s23*s24*z1*z2*z4)/(s123^2*s13*z123^2) + 
 (2*s1234*s24^2*z1*z2*z4)/(s123^2*s13*z123^2) + 
 (2*s1234*s24^2*z1*z2*z4)/(s123^2*s23*z123^2) + 
 (4*s12*s1234*s24^2*z1*z2*z4)/(s123^2*s13*s23*z123^2) + 
 (8*s1234*s34*z1*z2*z4)/(s123^2*z123^2) + (12*s12*s1234*s34*z1*z2*z4)/
  (s123^2*s13*z123^2) + (4*s1234*s14*s34*z1*z2*z4)/(s123^2*s13*z123^2) + 
 (12*s12*s1234*s34*z1*z2*z4)/(s123^2*s23*z123^2) + 
 (8*s12^2*s1234*s34*z1*z2*z4)/(s123^2*s13*s23*z123^2) + 
 (4*s1234*s13*s34*z1*z2*z4)/(s123^2*s23*z123^2) + 
 (4*s1234*s14*s34*z1*z2*z4)/(s123^2*s23*z123^2) + 
 (8*s12*s1234*s14*s34*z1*z2*z4)/(s123^2*s13*s23*z123^2) + 
 (4*s1234*s23*s34*z1*z2*z4)/(s123^2*s13*z123^2) + 
 (4*s1234*s24*s34*z1*z2*z4)/(s123^2*s13*z123^2) + 
 (4*s1234*s24*s34*z1*z2*z4)/(s123^2*s23*z123^2) + 
 (8*s12*s1234*s24*s34*z1*z2*z4)/(s123^2*s13*s23*z123^2) + 
 (2*s1234*s34^2*z1*z2*z4)/(s123^2*s13*z123^2) + 
 (2*s1234*s34^2*z1*z2*z4)/(s123^2*s23*z123^2) + 
 (4*s12*s1234*s34^2*z1*z2*z4)/(s123^2*s13*s23*z123^2) + 
 (D*s12*s1234*z2*z4)/(s123^2*z123) + (4*s12^2*s1234*z2*z4)/
  (s123^2*s13*z123) - (5*s1234*s13*z2*z4)/(s123^2*z123) + 
 (3*D*s1234*s13*z2*z4)/(2*s123^2*z123) - (8*s1234*s14*z2*z4)/(s123^2*z123) + 
 (D*s1234*s14*z2*z4)/(s123^2*z123) - (4*s12*s1234*s14*z2*z4)/
  (s123^2*s13*z123) - (2*s1234*s14^2*z2*z4)/(s123^2*s13*z123) + 
 (4*s12^2*s1234*z2*z4)/(s123^2*s23*z123) + (2*s12^3*s1234*z2*z4)/
  (s123^2*s13*s23*z123) + (s12*s1234*s13*z2*z4)/(s123^2*s23*z123) + 
 (D*s12*s1234*s13*z2*z4)/(2*s123^2*s23*z123) - 
 (s1234*s13^2*z2*z4)/(s123^2*s23*z123) + (D*s1234*s13^2*z2*z4)/
  (2*s123^2*s23*z123) - (4*s12*s1234*s14*z2*z4)/(s123^2*s23*z123) - 
 (2*s12^2*s1234*s14*z2*z4)/(s123^2*s13*s23*z123) - 
 (3*s1234*s13*s14*z2*z4)/(s123^2*s23*z123) + (D*s1234*s13*s14*z2*z4)/
  (2*s123^2*s23*z123) - (2*s1234*s14^2*z2*z4)/(s123^2*s23*z123) - 
 (4*s12*s1234*s14^2*z2*z4)/(s123^2*s13*s23*z123) - 
 (5*s1234*s23*z2*z4)/(s123^2*z123) + (3*D*s1234*s23*z2*z4)/(2*s123^2*z123) + 
 (s12*s1234*s23*z2*z4)/(s123^2*s13*z123) + (D*s12*s1234*s23*z2*z4)/
  (2*s123^2*s13*z123) - (3*s1234*s14*s23*z2*z4)/(s123^2*s13*z123) + 
 (D*s1234*s14*s23*z2*z4)/(2*s123^2*s13*z123) - 
 (s1234*s23^2*z2*z4)/(s123^2*s13*z123) + (D*s1234*s23^2*z2*z4)/
  (2*s123^2*s13*z123) + (D*s1234*s24*z2*z4)/(s123^2*z123) + 
 (2*s12*s1234*s24*z2*z4)/(s123^2*s13*z123) - (2*s1234*s14*s24*z2*z4)/
  (s123^2*s13*z123) + (6*s12*s1234*s24*z2*z4)/(s123^2*s23*z123) + 
 (2*s12^2*s1234*s24*z2*z4)/(s123^2*s13*s23*z123) + 
 (3*s1234*s13*s24*z2*z4)/(s123^2*s23*z123) + (D*s1234*s13*s24*z2*z4)/
  (2*s123^2*s23*z123) + (2*s1234*s14*s24*z2*z4)/(s123^2*s23*z123) - 
 (4*s12*s1234*s14*s24*z2*z4)/(s123^2*s13*s23*z123) - 
 (s1234*s23*s24*z2*z4)/(s123^2*s13*z123) + (D*s1234*s23*s24*z2*z4)/
  (2*s123^2*s13*z123) + (4*s1234*s24^2*z2*z4)/(s123^2*s23*z123) + 
 (2*s1234*s34*z2*z4)/(s123^2*z123) - (D*s1234*s34*z2*z4)/(s123^2*z123) + 
 (2*s12*s1234*s34*z2*z4)/(s123^2*s13*z123) - (D*s12*s1234*s34*z2*z4)/
  (s123^2*s13*z123) - (D*s1234*s14*s34*z2*z4)/(s123^2*s13*z123) + 
 (4*s12*s1234*s34*z2*z4)/(s123^2*s23*z123) - (D*s12*s1234*s34*z2*z4)/
  (s123^2*s23*z123) + (3*s1234*s13*s34*z2*z4)/(s123^2*s23*z123) - 
 (D*s1234*s13*s34*z2*z4)/(2*s123^2*s23*z123) + 
 (2*s1234*s14*s34*z2*z4)/(s123^2*s23*z123) - (D*s1234*s14*s34*z2*z4)/
  (s123^2*s23*z123) - (6*s12*s1234*s14*s34*z2*z4)/(s123^2*s13*s23*z123) + 
 (s1234*s23*s34*z2*z4)/(s123^2*s13*z123) - (D*s1234*s23*s34*z2*z4)/
  (2*s123^2*s13*z123) + (2*s1234*s24*s34*z2*z4)/(s123^2*s13*z123) - 
 (D*s1234*s24*s34*z2*z4)/(s123^2*s13*z123) + (8*s1234*s24*s34*z2*z4)/
  (s123^2*s23*z123) - (D*s1234*s24*s34*z2*z4)/(s123^2*s23*z123) - 
 (2*s12*s1234*s24*s34*z2*z4)/(s123^2*s13*s23*z123) + 
 (2*s1234*s34^2*z2*z4)/(s123^2*s13*z123) - (D*s1234*s34^2*z2*z4)/
  (s123^2*s13*z123) + (4*s1234*s34^2*z2*z4)/(s123^2*s23*z123) - 
 (D*s1234*s34^2*z2*z4)/(s123^2*s23*z123) - (2*s12*s1234*s34^2*z2*z4)/
  (s123^2*s13*s23*z123) - (4*s12*s1234*z2^2*z4)/(s123^2*z123^2) - 
 (4*s1234*s13*z2^2*z4)/(s123^2*z123^2) - (4*s1234*s14*z2^2*z4)/
  (s123^2*z123^2) - (2*s12^2*s1234*z2^2*z4)/(s123^2*s23*z123^2) - 
 (4*s12*s1234*s13*z2^2*z4)/(s123^2*s23*z123^2) - 
 (2*s1234*s13^2*z2^2*z4)/(s123^2*s23*z123^2) - 
 (4*s12*s1234*s14*z2^2*z4)/(s123^2*s23*z123^2) - 
 (4*s1234*s13*s14*z2^2*z4)/(s123^2*s23*z123^2) - 
 (2*s1234*s14^2*z2^2*z4)/(s123^2*s23*z123^2) - 
 (2*s1234*s23*z2^2*z4)/(s123^2*z123^2) - (4*s1234*s24*z2^2*z4)/
  (s123^2*z123^2) - (4*s12*s1234*s24*z2^2*z4)/(s123^2*s23*z123^2) - 
 (4*s1234*s13*s24*z2^2*z4)/(s123^2*s23*z123^2) - 
 (4*s1234*s14*s24*z2^2*z4)/(s123^2*s23*z123^2) - 
 (2*s1234*s24^2*z2^2*z4)/(s123^2*s23*z123^2) - 
 (4*s1234*s34*z2^2*z4)/(s123^2*z123^2) - (4*s12*s1234*s34*z2^2*z4)/
  (s123^2*s23*z123^2) - (4*s1234*s13*s34*z2^2*z4)/(s123^2*s23*z123^2) - 
 (4*s1234*s14*s34*z2^2*z4)/(s123^2*s23*z123^2) - 
 (4*s1234*s24*s34*z2^2*z4)/(s123^2*s23*z123^2) - 
 (2*s1234*s34^2*z2^2*z4)/(s123^2*s23*z123^2) - (3*s1234*z1*z4)/(s12*z3) + 
 (D*s1234*z1*z4)/(2*s12*z3) + (6*s1234*z1*z4)/(s124*z3) - 
 (3*D*s1234*z1*z4)/(2*s124*z3) + (2*s1234*s13*z1*z4)/(s124^2*z3) - 
 (D*s1234*s13*z1*z4)/(2*s124^2*z3) + (3*D*s1234*s14*z1*z4)/(2*s12*s124*z3) - 
 (2*s1234*s13*s14*z1*z4)/(s12*s124^2*z3) + (3*D*s1234*s13*s14*z1*z4)/
  (2*s12*s124^2*z3) - (2*s1234*s23*z1*z4)/(s12^2*z3) + 
 (2*s1234*s23*z1*z4)/(s124^2*z3) - (D*s1234*s23*z1*z4)/(2*s124^2*z3) + 
 (s1234*s23*z1*z4)/(s12*s124*z3) - (4*s1234*s14*s23*z1*z4)/(s12*s124^2*z3) + 
 (3*D*s1234*s14*s23*z1*z4)/(2*s12*s124^2*z3) + 
 (5*s1234*s14*s23*z1*z4)/(s12^2*s124*z3) - (2*s1234*s14^2*s23*z1*z4)/
  (s12^2*s124^2*z3) - (3*s1234*s24*z1*z4)/(s12^2*z3) - 
 (3*s1234*s24*z1*z4)/(s12*s124*z3) + (3*D*s1234*s24*z1*z4)/(2*s12*s124*z3) - 
 (5*s1234*s13*s24*z1*z4)/(s12*s124^2*z3) + (3*D*s1234*s13*s24*z1*z4)/
  (2*s12*s124^2*z3) + (9*s1234*s14*s24*z1*z4)/(s12^2*s124*z3) + 
 (5*s1234*s13*s14*s24*z1*z4)/(s12^2*s124^2*z3) - 
 (3*s1234*s23*s24*z1*z4)/(s12*s124^2*z3) + (3*D*s1234*s23*s24*z1*z4)/
  (2*s12*s124^2*z3) - (3*s1234*s23*s24*z1*z4)/(s12^2*s124*z3) + 
 (5*s1234*s14*s23*s24*z1*z4)/(s12^2*s124^2*z3) - 
 (3*s1234*s24^2*z1*z4)/(s12^2*s124*z3) - (3*s1234*s13*s24^2*z1*z4)/
  (s12^2*s124^2*z3) - (s1234*s23*s24^2*z1*z4)/(s12^2*s124^2*z3) - 
 (s1234*s13*z1*z4)/(s12*s34*z3) + (D*s1234*s13*z1*z4)/(2*s12*s34*z3) - 
 (s1234*s13^2*z1*z4)/(s12*s124*s34*z3) + (D*s1234*s13^2*z1*z4)/
  (2*s12*s124*s34*z3) - (2*s1234*s14*z1*z4)/(s12*s34*z3) + 
 (D*s1234*s14*z1*z4)/(s12*s34*z3) - (2*s1234*s13*s14*z1*z4)/
  (s12*s124*s34*z3) + (D*s1234*s13*s14*z1*z4)/(s12*s124*s34*z3) - 
 (2*s1234*s23*z1*z4)/(s12*s34*z3) + (D*s1234*s23*z1*z4)/(2*s12*s34*z3) + 
 (s1234*s13*s23*z1*z4)/(s12^2*s34*z3) - (4*s1234*s13*s23*z1*z4)/
  (s12*s124*s34*z3) + (D*s1234*s13*s23*z1*z4)/(s12*s124*s34*z3) + 
 (2*s1234*s14*s23*z1*z4)/(s12^2*s34*z3) - (3*s1234*s14*s23*z1*z4)/
  (s12*s124*s34*z3) + (D*s1234*s14*s23*z1*z4)/(s12*s124*s34*z3) - 
 (s1234*s14^2*s23*z1*z4)/(s12^2*s124*s34*z3) - 
 (s1234*s23^2*z1*z4)/(s12^2*s34*z3) - (s1234*s23^2*z1*z4)/(s12*s124*s34*z3) + 
 (D*s1234*s23^2*z1*z4)/(2*s12*s124*s34*z3) + (2*s1234*s14*s23^2*z1*z4)/
  (s12^2*s124*s34*z3) - (4*s1234*s24*z1*z4)/(s12*s34*z3) + 
 (D*s1234*s24*z1*z4)/(s12*s34*z3) + (s1234*s13*s24*z1*z4)/(s12^2*s34*z3) - 
 (4*s1234*s13*s24*z1*z4)/(s12*s124*s34*z3) + (D*s1234*s13*s24*z1*z4)/
  (s12*s124*s34*z3) + (s1234*s13^2*s24*z1*z4)/(s12^2*s124*s34*z3) + 
 (2*s1234*s14*s24*z1*z4)/(s12^2*s34*z3) + (2*s1234*s13*s14*s24*z1*z4)/
  (s12^2*s124*s34*z3) - (3*s1234*s23*s24*z1*z4)/(s12^2*s34*z3) - 
 (3*s1234*s23*s24*z1*z4)/(s12*s124*s34*z3) + (D*s1234*s23*s24*z1*z4)/
  (s12*s124*s34*z3) - (2*s1234*s13*s23*s24*z1*z4)/(s12^2*s124*s34*z3) + 
 (2*s1234*s14*s23*s24*z1*z4)/(s12^2*s124*s34*z3) - 
 (s1234*s23^2*s24*z1*z4)/(s12^2*s124*s34*z3) - 
 (2*s1234*s24^2*z1*z4)/(s12^2*s34*z3) - (2*s1234*s13*s24^2*z1*z4)/
  (s12^2*s124*s34*z3) - (s1234*s23*s24^2*z1*z4)/(s12^2*s124*s34*z3) + 
 (6*s1234*s34*z1*z4)/(s124^2*z3) - (3*D*s1234*s34*z1*z4)/(2*s124^2*z3) - 
 (3*s1234*s34*z1*z4)/(s12*s124*z3) + (D*s1234*s34*z1*z4)/(2*s12*s124*z3) + 
 (2*s1234*s14*s34*z1*z4)/(s12*s124^2*z3) + (D*s1234*s14*s34*z1*z4)/
  (2*s12*s124^2*z3) + (s1234*s24*s34*z1*z4)/(s12*s124^2*z3) + 
 (D*s1234*s24*s34*z1*z4)/(2*s12*s124^2*z3) - (3*s1234*s24*s34*z1*z4)/
  (s12^2*s124*z3) + (7*s1234*s14*s24*s34*z1*z4)/(s12^2*s124^2*z3) - 
 (s1234*s24^2*s34*z1*z4)/(s12^2*s124^2*z3) - (s1234*z1^2*z4)/(s12*z12*z3) + 
 (2*s1234*z1^2*z4)/(s124*z12*z3) + (2*s1234*s13*z1^2*z4)/(s124^2*z12*z3) - 
 (s1234*s13*z1^2*z4)/(s12*s124*z12*z3) + (2*s1234*s14*z1^2*z4)/
  (s12*s124*z12*z3) + (2*s1234*s13*s14*z1^2*z4)/(s12*s124^2*z12*z3) + 
 (2*s1234*s23*z1^2*z4)/(s12^2*z12*z3) + (2*s1234*s23*z1^2*z4)/
  (s124^2*z12*z3) - (4*s1234*s23*z1^2*z4)/(s12*s124*z12*z3) + 
 (4*s1234*s14*s23*z1^2*z4)/(s12*s124^2*z12*z3) - 
 (5*s1234*s14*s23*z1^2*z4)/(s12^2*s124*z12*z3) + 
 (2*s1234*s14^2*s23*z1^2*z4)/(s12^2*s124^2*z12*z3) + 
 (3*s1234*s24*z1^2*z4)/(s12^2*z12*z3) - (7*s1234*s24*z1^2*z4)/
  (s12*s124*z12*z3) - (3*s1234*s13*s24*z1^2*z4)/(s12*s124^2*z12*z3) - 
 (9*s1234*s14*s24*z1^2*z4)/(s12^2*s124*z12*z3) - 
 (5*s1234*s13*s14*s24*z1^2*z4)/(s12^2*s124^2*z12*z3) - 
 (s1234*s23*s24*z1^2*z4)/(s12*s124^2*z12*z3) - 
 (5*s1234*s23*s24*z1^2*z4)/(s12^2*s124*z12*z3) - 
 (s1234*s14*s23*s24*z1^2*z4)/(s12^2*s124^2*z12*z3) - 
 (9*s1234*s24^2*z1^2*z4)/(s12^2*s124*z12*z3) - 
 (5*s1234*s13*s24^2*z1^2*z4)/(s12^2*s124^2*z12*z3) - 
 (3*s1234*s23*s24^2*z1^2*z4)/(s12^2*s124^2*z12*z3) - 
 (s1234*s23*z1^2*z4)/(s12*s34*z12*z3) - (s1234*s13*s23*z1^2*z4)/
  (s12^2*s34*z12*z3) - (2*s1234*s14*s23*z1^2*z4)/(s12^2*s34*z12*z3) + 
 (s1234*s14*s23*z1^2*z4)/(s12*s124*s34*z12*z3) + 
 (s1234*s14^2*s23*z1^2*z4)/(s12^2*s124*s34*z12*z3) - 
 (s1234*s23^2*z1^2*z4)/(s12^2*s34*z12*z3) - (2*s1234*s24*z1^2*z4)/
  (s12*s34*z12*z3) - (s1234*s13*s24*z1^2*z4)/(s12^2*s34*z12*z3) - 
 (2*s1234*s13*s24*z1^2*z4)/(s12*s124*s34*z12*z3) - 
 (s1234*s13^2*s24*z1^2*z4)/(s12^2*s124*s34*z12*z3) - 
 (2*s1234*s14*s24*z1^2*z4)/(s12^2*s34*z12*z3) - 
 (2*s1234*s13*s14*s24*z1^2*z4)/(s12^2*s124*s34*z12*z3) - 
 (3*s1234*s23*s24*z1^2*z4)/(s12^2*s34*z12*z3) - 
 (s1234*s23*s24*z1^2*z4)/(s12*s124*s34*z12*z3) - 
 (2*s1234*s13*s23*s24*z1^2*z4)/(s12^2*s124*s34*z12*z3) - 
 (s1234*s23^2*s24*z1^2*z4)/(s12^2*s124*s34*z12*z3) - 
 (2*s1234*s24^2*z1^2*z4)/(s12^2*s34*z12*z3) - (2*s1234*s13*s24^2*z1^2*z4)/
  (s12^2*s124*s34*z12*z3) - (s1234*s23*s24^2*z1^2*z4)/
  (s12^2*s124*s34*z12*z3) + (3*s1234*s34*z1^2*z4)/(s124^2*z12*z3) - 
 (2*s1234*s34*z1^2*z4)/(s12*s124*z12*z3) + (3*s1234*s14*s34*z1^2*z4)/
  (s12*s124^2*z12*z3) - (4*s1234*s24*s34*z1^2*z4)/(s12*s124^2*z12*z3) + 
 (3*s1234*s24*s34*z1^2*z4)/(s12^2*s124*z12*z3) - 
 (7*s1234*s14*s24*s34*z1^2*z4)/(s12^2*s124^2*z12*z3) - 
 (7*s1234*s24^2*s34*z1^2*z4)/(s12^2*s124^2*z12*z3) - 
 (3*s1234*z2*z4)/(s12*z3) + (D*s1234*z2*z4)/(2*s12*z3) + 
 (6*s1234*z2*z4)/(s124*z3) - (3*D*s1234*z2*z4)/(2*s124*z3) - 
 (2*s1234*s13*z2*z4)/(s12^2*z3) + (2*s1234*s13*z2*z4)/(s124^2*z3) - 
 (D*s1234*s13*z2*z4)/(2*s124^2*z3) + (s1234*s13*z2*z4)/(s12*s124*z3) - 
 (3*s1234*s14*z2*z4)/(s12^2*z3) - (3*s1234*s14*z2*z4)/(s12*s124*z3) + 
 (3*D*s1234*s14*z2*z4)/(2*s12*s124*z3) - (3*s1234*s13*s14*z2*z4)/
  (s12*s124^2*z3) + (3*D*s1234*s13*s14*z2*z4)/(2*s12*s124^2*z3) - 
 (3*s1234*s13*s14*z2*z4)/(s12^2*s124*z3) - (3*s1234*s14^2*z2*z4)/
  (s12^2*s124*z3) - (s1234*s13*s14^2*z2*z4)/(s12^2*s124^2*z3) + 
 (2*s1234*s23*z2*z4)/(s124^2*z3) - (D*s1234*s23*z2*z4)/(2*s124^2*z3) - 
 (5*s1234*s14*s23*z2*z4)/(s12*s124^2*z3) + (3*D*s1234*s14*s23*z2*z4)/
  (2*s12*s124^2*z3) - (3*s1234*s14^2*s23*z2*z4)/(s12^2*s124^2*z3) + 
 (3*D*s1234*s24*z2*z4)/(2*s12*s124*z3) - (4*s1234*s13*s24*z2*z4)/
  (s12*s124^2*z3) + (3*D*s1234*s13*s24*z2*z4)/(2*s12*s124^2*z3) + 
 (5*s1234*s13*s24*z2*z4)/(s12^2*s124*z3) + (9*s1234*s14*s24*z2*z4)/
  (s12^2*s124*z3) + (5*s1234*s13*s14*s24*z2*z4)/(s12^2*s124^2*z3) - 
 (2*s1234*s23*s24*z2*z4)/(s12*s124^2*z3) + (3*D*s1234*s23*s24*z2*z4)/
  (2*s12*s124^2*z3) + (5*s1234*s14*s23*s24*z2*z4)/(s12^2*s124^2*z3) - 
 (2*s1234*s13*s24^2*z2*z4)/(s12^2*s124^2*z3) - 
 (2*s1234*s13*z2*z4)/(s12*s34*z3) + (D*s1234*s13*z2*z4)/(2*s12*s34*z3) - 
 (s1234*s13^2*z2*z4)/(s12^2*s34*z3) - (s1234*s13^2*z2*z4)/(s12*s124*s34*z3) + 
 (D*s1234*s13^2*z2*z4)/(2*s12*s124*s34*z3) - 
 (4*s1234*s14*z2*z4)/(s12*s34*z3) + (D*s1234*s14*z2*z4)/(s12*s34*z3) - 
 (3*s1234*s13*s14*z2*z4)/(s12^2*s34*z3) - (3*s1234*s13*s14*z2*z4)/
  (s12*s124*s34*z3) + (D*s1234*s13*s14*z2*z4)/(s12*s124*s34*z3) - 
 (s1234*s13^2*s14*z2*z4)/(s12^2*s124*s34*z3) - 
 (2*s1234*s14^2*z2*z4)/(s12^2*s34*z3) - (s1234*s13*s14^2*z2*z4)/
  (s12^2*s124*s34*z3) - (s1234*s23*z2*z4)/(s12*s34*z3) + 
 (D*s1234*s23*z2*z4)/(2*s12*s34*z3) + (s1234*s13*s23*z2*z4)/(s12^2*s34*z3) - 
 (4*s1234*s13*s23*z2*z4)/(s12*s124*s34*z3) + (D*s1234*s13*s23*z2*z4)/
  (s12*s124*s34*z3) + (s1234*s14*s23*z2*z4)/(s12^2*s34*z3) - 
 (4*s1234*s14*s23*z2*z4)/(s12*s124*s34*z3) + (D*s1234*s14*s23*z2*z4)/
  (s12*s124*s34*z3) - (2*s1234*s13*s14*s23*z2*z4)/(s12^2*s124*s34*z3) - 
 (2*s1234*s14^2*s23*z2*z4)/(s12^2*s124*s34*z3) - 
 (s1234*s23^2*z2*z4)/(s12*s124*s34*z3) + (D*s1234*s23^2*z2*z4)/
  (2*s12*s124*s34*z3) + (s1234*s14*s23^2*z2*z4)/(s12^2*s124*s34*z3) - 
 (2*s1234*s24*z2*z4)/(s12*s34*z3) + (D*s1234*s24*z2*z4)/(s12*s34*z3) + 
 (2*s1234*s13*s24*z2*z4)/(s12^2*s34*z3) - (3*s1234*s13*s24*z2*z4)/
  (s12*s124*s34*z3) + (D*s1234*s13*s24*z2*z4)/(s12*s124*s34*z3) + 
 (2*s1234*s13^2*s24*z2*z4)/(s12^2*s124*s34*z3) + 
 (2*s1234*s14*s24*z2*z4)/(s12^2*s34*z3) + (2*s1234*s13*s14*s24*z2*z4)/
  (s12^2*s124*s34*z3) - (2*s1234*s23*s24*z2*z4)/(s12*s124*s34*z3) + 
 (D*s1234*s23*s24*z2*z4)/(s12*s124*s34*z3) + (2*s1234*s14*s23*s24*z2*z4)/
  (s12^2*s124*s34*z3) - (s1234*s13*s24^2*z2*z4)/(s12^2*s124*s34*z3) + 
 (6*s1234*s34*z2*z4)/(s124^2*z3) - (3*D*s1234*s34*z2*z4)/(2*s124^2*z3) - 
 (3*s1234*s34*z2*z4)/(s12*s124*z3) + (D*s1234*s34*z2*z4)/(2*s12*s124*z3) + 
 (s1234*s14*s34*z2*z4)/(s12*s124^2*z3) + (D*s1234*s14*s34*z2*z4)/
  (2*s12*s124^2*z3) - (3*s1234*s14*s34*z2*z4)/(s12^2*s124*z3) - 
 (s1234*s14^2*s34*z2*z4)/(s12^2*s124^2*z3) + (2*s1234*s24*s34*z2*z4)/
  (s12*s124^2*z3) + (D*s1234*s24*s34*z2*z4)/(2*s12*s124^2*z3) + 
 (7*s1234*s14*s24*s34*z2*z4)/(s12^2*s124^2*z3) - 
 (6*s1234*z1^2*z2*z4)/(s12*z12^2*z3) + (6*s1234*z1^2*z2*z4)/(s124*z12^2*z3) - 
 (4*s1234*s13*z1^2*z2*z4)/(s12^2*z12^2*z3) + (2*s1234*s13*z1^2*z2*z4)/
  (s124^2*z12^2*z3) + (2*s1234*s13*z1^2*z2*z4)/(s12*s124*z12^2*z3) - 
 (6*s1234*s14*z1^2*z2*z4)/(s12^2*z12^2*z3) + (12*s1234*s14*z1^2*z2*z4)/
  (s12*s124*z12^2*z3) + (4*s1234*s13*s14*z1^2*z2*z4)/(s12*s124^2*z12^2*z3) + 
 (2*s1234*s13*s14*z1^2*z2*z4)/(s12^2*s124*z12^2*z3) + 
 (6*s1234*s14^2*z1^2*z2*z4)/(s12^2*s124*z12^2*z3) + 
 (2*s1234*s13*s14^2*z1^2*z2*z4)/(s12^2*s124^2*z12^2*z3) - 
 (4*s1234*s23*z1^2*z2*z4)/(s12^2*z12^2*z3) + (2*s1234*s23*z1^2*z2*z4)/
  (s124^2*z12^2*z3) + (2*s1234*s23*z1^2*z2*z4)/(s12*s124*z12^2*z3) + 
 (4*s1234*s14*s23*z1^2*z2*z4)/(s12*s124^2*z12^2*z3) + 
 (2*s1234*s14*s23*z1^2*z2*z4)/(s12^2*s124*z12^2*z3) + 
 (2*s1234*s14^2*s23*z1^2*z2*z4)/(s12^2*s124^2*z12^2*z3) - 
 (6*s1234*s24*z1^2*z2*z4)/(s12^2*z12^2*z3) + (12*s1234*s24*z1^2*z2*z4)/
  (s12*s124*z12^2*z3) + (4*s1234*s13*s24*z1^2*z2*z4)/(s12*s124^2*z12^2*z3) + 
 (2*s1234*s13*s24*z1^2*z2*z4)/(s12^2*s124*z12^2*z3) + 
 (12*s1234*s14*s24*z1^2*z2*z4)/(s12^2*s124*z12^2*z3) + 
 (4*s1234*s13*s14*s24*z1^2*z2*z4)/(s12^2*s124^2*z12^2*z3) + 
 (4*s1234*s23*s24*z1^2*z2*z4)/(s12*s124^2*z12^2*z3) + 
 (2*s1234*s23*s24*z1^2*z2*z4)/(s12^2*s124*z12^2*z3) + 
 (4*s1234*s14*s23*s24*z1^2*z2*z4)/(s12^2*s124^2*z12^2*z3) + 
 (6*s1234*s24^2*z1^2*z2*z4)/(s12^2*s124*z12^2*z3) + 
 (2*s1234*s13*s24^2*z1^2*z2*z4)/(s12^2*s124^2*z12^2*z3) + 
 (2*s1234*s23*s24^2*z1^2*z2*z4)/(s12^2*s124^2*z12^2*z3) + 
 (6*s1234*s34*z1^2*z2*z4)/(s124^2*z12^2*z3) - 
 (6*s1234*s34*z1^2*z2*z4)/(s12*s124*z12^2*z3) + 
 (12*s1234*s14*s34*z1^2*z2*z4)/(s12*s124^2*z12^2*z3) - 
 (6*s1234*s14*s34*z1^2*z2*z4)/(s12^2*s124*z12^2*z3) + 
 (6*s1234*s14^2*s34*z1^2*z2*z4)/(s12^2*s124^2*z12^2*z3) + 
 (12*s1234*s24*s34*z1^2*z2*z4)/(s12*s124^2*z12^2*z3) - 
 (6*s1234*s24*s34*z1^2*z2*z4)/(s12^2*s124*z12^2*z3) + 
 (12*s1234*s14*s24*s34*z1^2*z2*z4)/(s12^2*s124^2*z12^2*z3) + 
 (6*s1234*s24^2*s34*z1^2*z2*z4)/(s12^2*s124^2*z12^2*z3) + 
 (2*s1234*z1*z2*z4)/(s12*z12*z3) + (4*s1234*z1*z2*z4)/(s124*z12*z3) + 
 (6*s1234*s13*z1*z2*z4)/(s12^2*z12*z3) + (4*s1234*s13*z1*z2*z4)/
  (s124^2*z12*z3) - (3*s1234*s13*z1*z2*z4)/(s12*s124*z12*z3) + 
 (9*s1234*s14*z1*z2*z4)/(s12^2*z12*z3) + (s1234*s14*z1*z2*z4)/
  (s12*s124*z12*z3) + (3*s1234*s13*s14*z1*z2*z4)/(s12*s124^2*z12*z3) + 
 (s1234*s13*s14*z1*z2*z4)/(s12^2*s124*z12*z3) - 
 (3*s1234*s14^2*z1*z2*z4)/(s12^2*s124*z12*z3) - 
 (s1234*s13*s14^2*z1*z2*z4)/(s12^2*s124^2*z12*z3) + 
 (6*s1234*s23*z1*z2*z4)/(s12^2*z12*z3) + (4*s1234*s23*z1*z2*z4)/
  (s124^2*z12*z3) - (3*s1234*s23*z1*z2*z4)/(s12*s124*z12*z3) + 
 (3*s1234*s14*s23*z1*z2*z4)/(s12*s124^2*z12*z3) + 
 (s1234*s14*s23*z1*z2*z4)/(s12^2*s124*z12*z3) - 
 (s1234*s14^2*s23*z1*z2*z4)/(s12^2*s124^2*z12*z3) + 
 (9*s1234*s24*z1*z2*z4)/(s12^2*z12*z3) + (s1234*s24*z1*z2*z4)/
  (s12*s124*z12*z3) + (3*s1234*s13*s24*z1*z2*z4)/(s12*s124^2*z12*z3) + 
 (s1234*s13*s24*z1*z2*z4)/(s12^2*s124*z12*z3) - 
 (6*s1234*s14*s24*z1*z2*z4)/(s12^2*s124*z12*z3) - 
 (2*s1234*s13*s14*s24*z1*z2*z4)/(s12^2*s124^2*z12*z3) + 
 (3*s1234*s23*s24*z1*z2*z4)/(s12*s124^2*z12*z3) + 
 (s1234*s23*s24*z1*z2*z4)/(s12^2*s124*z12*z3) - 
 (2*s1234*s14*s23*s24*z1*z2*z4)/(s12^2*s124^2*z12*z3) - 
 (3*s1234*s24^2*z1*z2*z4)/(s12^2*s124*z12*z3) - 
 (s1234*s13*s24^2*z1*z2*z4)/(s12^2*s124^2*z12*z3) - 
 (s1234*s23*s24^2*z1*z2*z4)/(s12^2*s124^2*z12*z3) + 
 (s1234*s13*z1*z2*z4)/(s12*s34*z12*z3) + (s1234*s13^2*z1*z2*z4)/
  (s12^2*s34*z12*z3) + (2*s1234*s14*z1*z2*z4)/(s12*s34*z12*z3) + 
 (3*s1234*s13*s14*z1*z2*z4)/(s12^2*s34*z12*z3) + 
 (s1234*s13*s14*z1*z2*z4)/(s12*s124*s34*z12*z3) + 
 (s1234*s13^2*s14*z1*z2*z4)/(s12^2*s124*s34*z12*z3) + 
 (2*s1234*s14^2*z1*z2*z4)/(s12^2*s34*z12*z3) + 
 (s1234*s13*s14^2*z1*z2*z4)/(s12^2*s124*s34*z12*z3) + 
 (s1234*s23*z1*z2*z4)/(s12*s34*z12*z3) + (2*s1234*s13*s23*z1*z2*z4)/
  (s12^2*s34*z12*z3) + (3*s1234*s14*s23*z1*z2*z4)/(s12^2*s34*z12*z3) + 
 (s1234*s14*s23*z1*z2*z4)/(s12*s124*s34*z12*z3) + 
 (2*s1234*s13*s14*s23*z1*z2*z4)/(s12^2*s124*s34*z12*z3) + 
 (s1234*s14^2*s23*z1*z2*z4)/(s12^2*s124*s34*z12*z3) + 
 (s1234*s23^2*z1*z2*z4)/(s12^2*s34*z12*z3) + (s1234*s14*s23^2*z1*z2*z4)/
  (s12^2*s124*s34*z12*z3) + (2*s1234*s24*z1*z2*z4)/(s12*s34*z12*z3) + 
 (3*s1234*s13*s24*z1*z2*z4)/(s12^2*s34*z12*z3) + 
 (s1234*s13*s24*z1*z2*z4)/(s12*s124*s34*z12*z3) + 
 (s1234*s13^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12*z3) + 
 (4*s1234*s14*s24*z1*z2*z4)/(s12^2*s34*z12*z3) + 
 (2*s1234*s13*s14*s24*z1*z2*z4)/(s12^2*s124*s34*z12*z3) + 
 (3*s1234*s23*s24*z1*z2*z4)/(s12^2*s34*z12*z3) + 
 (s1234*s23*s24*z1*z2*z4)/(s12*s124*s34*z12*z3) + 
 (2*s1234*s13*s23*s24*z1*z2*z4)/(s12^2*s124*s34*z12*z3) + 
 (2*s1234*s14*s23*s24*z1*z2*z4)/(s12^2*s124*s34*z12*z3) + 
 (s1234*s23^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12*z3) + 
 (2*s1234*s24^2*z1*z2*z4)/(s12^2*s34*z12*z3) + 
 (s1234*s13*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12*z3) + 
 (s1234*s23*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12*z3) + 
 (6*s1234*s34*z1*z2*z4)/(s124^2*z12*z3) + (s1234*s14*s34*z1*z2*z4)/
  (s12*s124^2*z12*z3) + (9*s1234*s14*s34*z1*z2*z4)/(s12^2*s124*z12*z3) - 
 (5*s1234*s14^2*s34*z1*z2*z4)/(s12^2*s124^2*z12*z3) + 
 (s1234*s24*s34*z1*z2*z4)/(s12*s124^2*z12*z3) + 
 (9*s1234*s24*s34*z1*z2*z4)/(s12^2*s124*z12*z3) - 
 (10*s1234*s14*s24*s34*z1*z2*z4)/(s12^2*s124^2*z12*z3) - 
 (5*s1234*s24^2*s34*z1*z2*z4)/(s12^2*s124^2*z12*z3) - 
 (6*s1234*z1*z2^2*z4)/(s12*z12^2*z3) + (6*s1234*z1*z2^2*z4)/(s124*z12^2*z3) - 
 (4*s1234*s13*z1*z2^2*z4)/(s12^2*z12^2*z3) + (2*s1234*s13*z1*z2^2*z4)/
  (s124^2*z12^2*z3) + (2*s1234*s13*z1*z2^2*z4)/(s12*s124*z12^2*z3) - 
 (6*s1234*s14*z1*z2^2*z4)/(s12^2*z12^2*z3) + (12*s1234*s14*z1*z2^2*z4)/
  (s12*s124*z12^2*z3) + (4*s1234*s13*s14*z1*z2^2*z4)/(s12*s124^2*z12^2*z3) + 
 (2*s1234*s13*s14*z1*z2^2*z4)/(s12^2*s124*z12^2*z3) + 
 (6*s1234*s14^2*z1*z2^2*z4)/(s12^2*s124*z12^2*z3) + 
 (2*s1234*s13*s14^2*z1*z2^2*z4)/(s12^2*s124^2*z12^2*z3) - 
 (4*s1234*s23*z1*z2^2*z4)/(s12^2*z12^2*z3) + (2*s1234*s23*z1*z2^2*z4)/
  (s124^2*z12^2*z3) + (2*s1234*s23*z1*z2^2*z4)/(s12*s124*z12^2*z3) + 
 (4*s1234*s14*s23*z1*z2^2*z4)/(s12*s124^2*z12^2*z3) + 
 (2*s1234*s14*s23*z1*z2^2*z4)/(s12^2*s124*z12^2*z3) + 
 (2*s1234*s14^2*s23*z1*z2^2*z4)/(s12^2*s124^2*z12^2*z3) - 
 (6*s1234*s24*z1*z2^2*z4)/(s12^2*z12^2*z3) + (12*s1234*s24*z1*z2^2*z4)/
  (s12*s124*z12^2*z3) + (4*s1234*s13*s24*z1*z2^2*z4)/(s12*s124^2*z12^2*z3) + 
 (2*s1234*s13*s24*z1*z2^2*z4)/(s12^2*s124*z12^2*z3) + 
 (12*s1234*s14*s24*z1*z2^2*z4)/(s12^2*s124*z12^2*z3) + 
 (4*s1234*s13*s14*s24*z1*z2^2*z4)/(s12^2*s124^2*z12^2*z3) + 
 (4*s1234*s23*s24*z1*z2^2*z4)/(s12*s124^2*z12^2*z3) + 
 (2*s1234*s23*s24*z1*z2^2*z4)/(s12^2*s124*z12^2*z3) + 
 (4*s1234*s14*s23*s24*z1*z2^2*z4)/(s12^2*s124^2*z12^2*z3) + 
 (6*s1234*s24^2*z1*z2^2*z4)/(s12^2*s124*z12^2*z3) + 
 (2*s1234*s13*s24^2*z1*z2^2*z4)/(s12^2*s124^2*z12^2*z3) + 
 (2*s1234*s23*s24^2*z1*z2^2*z4)/(s12^2*s124^2*z12^2*z3) + 
 (6*s1234*s34*z1*z2^2*z4)/(s124^2*z12^2*z3) - 
 (6*s1234*s34*z1*z2^2*z4)/(s12*s124*z12^2*z3) + 
 (12*s1234*s14*s34*z1*z2^2*z4)/(s12*s124^2*z12^2*z3) - 
 (6*s1234*s14*s34*z1*z2^2*z4)/(s12^2*s124*z12^2*z3) + 
 (6*s1234*s14^2*s34*z1*z2^2*z4)/(s12^2*s124^2*z12^2*z3) + 
 (12*s1234*s24*s34*z1*z2^2*z4)/(s12*s124^2*z12^2*z3) - 
 (6*s1234*s24*s34*z1*z2^2*z4)/(s12^2*s124*z12^2*z3) + 
 (12*s1234*s14*s24*s34*z1*z2^2*z4)/(s12^2*s124^2*z12^2*z3) + 
 (6*s1234*s24^2*s34*z1*z2^2*z4)/(s12^2*s124^2*z12^2*z3) - 
 (s1234*z2^2*z4)/(s12*z12*z3) + (2*s1234*z2^2*z4)/(s124*z12*z3) + 
 (2*s1234*s13*z2^2*z4)/(s12^2*z12*z3) + (2*s1234*s13*z2^2*z4)/
  (s124^2*z12*z3) - (4*s1234*s13*z2^2*z4)/(s12*s124*z12*z3) + 
 (3*s1234*s14*z2^2*z4)/(s12^2*z12*z3) - (7*s1234*s14*z2^2*z4)/
  (s12*s124*z12*z3) - (s1234*s13*s14*z2^2*z4)/(s12*s124^2*z12*z3) - 
 (5*s1234*s13*s14*z2^2*z4)/(s12^2*s124*z12*z3) - 
 (9*s1234*s14^2*z2^2*z4)/(s12^2*s124*z12*z3) - 
 (3*s1234*s13*s14^2*z2^2*z4)/(s12^2*s124^2*z12*z3) + 
 (2*s1234*s23*z2^2*z4)/(s124^2*z12*z3) - (s1234*s23*z2^2*z4)/
  (s12*s124*z12*z3) - (3*s1234*s14*s23*z2^2*z4)/(s12*s124^2*z12*z3) - 
 (5*s1234*s14^2*s23*z2^2*z4)/(s12^2*s124^2*z12*z3) + 
 (2*s1234*s24*z2^2*z4)/(s12*s124*z12*z3) + (4*s1234*s13*s24*z2^2*z4)/
  (s12*s124^2*z12*z3) - (5*s1234*s13*s24*z2^2*z4)/(s12^2*s124*z12*z3) - 
 (9*s1234*s14*s24*z2^2*z4)/(s12^2*s124*z12*z3) - 
 (s1234*s13*s14*s24*z2^2*z4)/(s12^2*s124^2*z12*z3) + 
 (2*s1234*s23*s24*z2^2*z4)/(s12*s124^2*z12*z3) - 
 (5*s1234*s14*s23*s24*z2^2*z4)/(s12^2*s124^2*z12*z3) + 
 (2*s1234*s13*s24^2*z2^2*z4)/(s12^2*s124^2*z12*z3) - 
 (s1234*s13*z2^2*z4)/(s12*s34*z12*z3) - (s1234*s13^2*z2^2*z4)/
  (s12^2*s34*z12*z3) - (2*s1234*s14*z2^2*z4)/(s12*s34*z12*z3) - 
 (3*s1234*s13*s14*z2^2*z4)/(s12^2*s34*z12*z3) - 
 (s1234*s13*s14*z2^2*z4)/(s12*s124*s34*z12*z3) - 
 (s1234*s13^2*s14*z2^2*z4)/(s12^2*s124*s34*z12*z3) - 
 (2*s1234*s14^2*z2^2*z4)/(s12^2*s34*z12*z3) - 
 (s1234*s13*s14^2*z2^2*z4)/(s12^2*s124*s34*z12*z3) - 
 (s1234*s13*s23*z2^2*z4)/(s12^2*s34*z12*z3) - 
 (s1234*s14*s23*z2^2*z4)/(s12^2*s34*z12*z3) - 
 (2*s1234*s14*s23*z2^2*z4)/(s12*s124*s34*z12*z3) - 
 (2*s1234*s13*s14*s23*z2^2*z4)/(s12^2*s124*s34*z12*z3) - 
 (2*s1234*s14^2*s23*z2^2*z4)/(s12^2*s124*s34*z12*z3) - 
 (s1234*s14*s23^2*z2^2*z4)/(s12^2*s124*s34*z12*z3) - 
 (2*s1234*s13*s24*z2^2*z4)/(s12^2*s34*z12*z3) + 
 (s1234*s13*s24*z2^2*z4)/(s12*s124*s34*z12*z3) - 
 (2*s1234*s14*s24*z2^2*z4)/(s12^2*s34*z12*z3) - 
 (2*s1234*s14*s23*s24*z2^2*z4)/(s12^2*s124*s34*z12*z3) + 
 (s1234*s13*s24^2*z2^2*z4)/(s12^2*s124*s34*z12*z3) + 
 (3*s1234*s34*z2^2*z4)/(s124^2*z12*z3) - (2*s1234*s34*z2^2*z4)/
  (s12*s124*z12*z3) - (4*s1234*s14*s34*z2^2*z4)/(s12*s124^2*z12*z3) + 
 (3*s1234*s14*s34*z2^2*z4)/(s12^2*s124*z12*z3) - 
 (7*s1234*s14^2*s34*z2^2*z4)/(s12^2*s124^2*z12*z3) + 
 (3*s1234*s24*s34*z2^2*z4)/(s12*s124^2*z12*z3) - 
 (7*s1234*s14*s24*s34*z2^2*z4)/(s12^2*s124^2*z12*z3) - 
 (4*s12*s1234*z3*z4)/(s124^2*z12) + (D*s12*s1234*z3*z4)/(s124^2*z12) + 
 (4*s1234*z3*z4)/(s124*z12) + (D*s1234*z3*z4)/(s124*z12) - 
 (s1234*s13*z3*z4)/(s124^2*z12) + (D*s1234*s13*z3*z4)/(2*s124^2*z12) - 
 (2*s1234*s13*z3*z4)/(s12*s124*z12) + (D*s1234*s13*z3*z4)/(s12*s124*z12) - 
 (8*s1234*s14*z3*z4)/(s124^2*z12) + (3*D*s1234*s14*z3*z4)/(2*s124^2*z12) + 
 (2*s1234*s14*z3*z4)/(s12*s124*z12) + (3*D*s1234*s14*z3*z4)/
  (2*s12*s124*z12) - (s1234*s13*s14*z3*z4)/(s12*s124^2*z12) + 
 (D*s1234*s13*s14*z3*z4)/(2*s12*s124^2*z12) - 
 (4*s1234*s14^2*z3*z4)/(s12*s124^2*z12) + (D*s1234*s14^2*z3*z4)/
  (2*s12*s124^2*z12) - (s1234*s23*z3*z4)/(s124^2*z12) + 
 (D*s1234*s23*z3*z4)/(2*s124^2*z12) - (2*s1234*s23*z3*z4)/(s12*s124*z12) + 
 (D*s1234*s23*z3*z4)/(s12*s124*z12) - (s1234*s14*s23*z3*z4)/
  (s12*s124^2*z12) + (D*s1234*s14*s23*z3*z4)/(2*s12*s124^2*z12) - 
 (8*s1234*s24*z3*z4)/(s124^2*z12) + (3*D*s1234*s24*z3*z4)/(2*s124^2*z12) + 
 (2*s1234*s24*z3*z4)/(s12*s124*z12) + (3*D*s1234*s24*z3*z4)/
  (2*s12*s124*z12) - (s1234*s13*s24*z3*z4)/(s12*s124^2*z12) + 
 (D*s1234*s13*s24*z3*z4)/(2*s12*s124^2*z12) - 
 (8*s1234*s14*s24*z3*z4)/(s12*s124^2*z12) + (D*s1234*s14*s24*z3*z4)/
  (s12*s124^2*z12) - (s1234*s23*s24*z3*z4)/(s12*s124^2*z12) + 
 (D*s1234*s23*s24*z3*z4)/(2*s12*s124^2*z12) - 
 (4*s1234*s24^2*z3*z4)/(s12*s124^2*z12) + (D*s1234*s24^2*z3*z4)/
  (2*s12*s124^2*z12) + (2*s1234*z3*z4)/(s34*z12) + 
 (D*s1234*z3*z4)/(s34*z12) + (3*D*s1234*s13*z3*z4)/(2*s12*s34*z12) + 
 (s1234*s13*z3*z4)/(s124*s34*z12) - (s1234*s13^2*z3*z4)/(s12*s124*s34*z12) + 
 (D*s1234*s13^2*z3*z4)/(2*s12*s124*s34*z12) + 
 (5*s1234*s14*z3*z4)/(s12*s34*z12) + (D*s1234*s14*z3*z4)/(2*s12*s34*z12) - 
 (5*s1234*s14*z3*z4)/(s124*s34*z12) + (D*s1234*s14*z3*z4)/(2*s124*s34*z12) - 
 (s1234*s13*s14*z3*z4)/(s12*s124*s34*z12) - (5*s1234*s14^2*z3*z4)/
  (s12*s124*s34*z12) + (D*s1234*s14^2*z3*z4)/(2*s12*s124*s34*z12) + 
 (3*D*s1234*s23*z3*z4)/(2*s12*s34*z12) + (s1234*s23*z3*z4)/(s124*s34*z12) - 
 (2*s1234*s13*s23*z3*z4)/(s12*s124*s34*z12) + 
 (D*s1234*s13*s23*z3*z4)/(s12*s124*s34*z12) - 
 (s1234*s14*s23*z3*z4)/(s12*s124*s34*z12) - 
 (s1234*s23^2*z3*z4)/(s12*s124*s34*z12) + (D*s1234*s23^2*z3*z4)/
  (2*s12*s124*s34*z12) + (5*s1234*s24*z3*z4)/(s12*s34*z12) + 
 (D*s1234*s24*z3*z4)/(2*s12*s34*z12) - (5*s1234*s24*z3*z4)/(s124*s34*z12) + 
 (D*s1234*s24*z3*z4)/(2*s124*s34*z12) - (s1234*s13*s24*z3*z4)/
  (s12*s124*s34*z12) - (10*s1234*s14*s24*z3*z4)/(s12*s124*s34*z12) + 
 (D*s1234*s14*s24*z3*z4)/(s12*s124*s34*z12) - 
 (s1234*s23*s24*z3*z4)/(s12*s124*s34*z12) - (5*s1234*s24^2*z3*z4)/
  (s12*s124*s34*z12) + (D*s1234*s24^2*z3*z4)/(2*s12*s124*s34*z12) - 
 (2*s1234*s34*z3*z4)/(s124^2*z12) + (D*s1234*s34*z3*z4)/(s124^2*z12) - 
 (2*s1234*s14*s34*z3*z4)/(s12*s124^2*z12) + (D*s1234*s14*s34*z3*z4)/
  (s12*s124^2*z12) - (2*s1234*s24*s34*z3*z4)/(s12*s124^2*z12) + 
 (D*s1234*s24*s34*z3*z4)/(s12*s124^2*z12) - (8*s12*s1234*z1*z3*z4)/
  (s123^2*z123^2) + (4*D*s12*s1234*z1*z3*z4)/(s123^2*z123^2) + 
 (D*s12^2*s1234*z1*z3*z4)/(s123^2*s13*z123^2) - 
 (8*s1234*s13*z1*z3*z4)/(s123^2*z123^2) + (3*D*s1234*s13*z1*z3*z4)/
  (s123^2*z123^2) - (12*s1234*s14*z1*z3*z4)/(s123^2*z123^2) + 
 (4*D*s1234*s14*z1*z3*z4)/(s123^2*z123^2) - (4*s12*s1234*s14*z1*z3*z4)/
  (s123^2*s13*z123^2) + (2*D*s12*s1234*s14*z1*z3*z4)/(s123^2*s13*z123^2) - 
 (4*s1234*s14^2*z1*z3*z4)/(s123^2*s13*z123^2) + 
 (D*s1234*s14^2*z1*z3*z4)/(s123^2*s13*z123^2) + 
 (2*s12^2*s1234*z1*z3*z4)/(s123^2*s23*z123^2) + 
 (D*s12^2*s1234*z1*z3*z4)/(s123^2*s23*z123^2) + 
 (2*s12^3*s1234*z1*z3*z4)/(s123^2*s13*s23*z123^2) - 
 (2*s12*s1234*s13*z1*z3*z4)/(s123^2*s23*z123^2) + 
 (2*D*s12*s1234*s13*z1*z3*z4)/(s123^2*s23*z123^2) - 
 (2*s1234*s13^2*z1*z3*z4)/(s123^2*s23*z123^2) + 
 (D*s1234*s13^2*z1*z3*z4)/(s123^2*s23*z123^2) + 
 (2*D*s12*s1234*s14*z1*z3*z4)/(s123^2*s23*z123^2) + 
 (4*s12^2*s1234*s14*z1*z3*z4)/(s123^2*s13*s23*z123^2) - 
 (4*s1234*s13*s14*z1*z3*z4)/(s123^2*s23*z123^2) + 
 (2*D*s1234*s13*s14*z1*z3*z4)/(s123^2*s23*z123^2) - 
 (2*s1234*s14^2*z1*z3*z4)/(s123^2*s23*z123^2) + 
 (D*s1234*s14^2*z1*z3*z4)/(s123^2*s23*z123^2) + 
 (2*s12*s1234*s14^2*z1*z3*z4)/(s123^2*s13*s23*z123^2) - 
 (10*s1234*s23*z1*z3*z4)/(s123^2*z123^2) + (3*D*s1234*s23*z1*z3*z4)/
  (s123^2*z123^2) - (6*s12*s1234*s23*z1*z3*z4)/(s123^2*s13*z123^2) + 
 (2*D*s12*s1234*s23*z1*z3*z4)/(s123^2*s13*z123^2) - 
 (8*s1234*s14*s23*z1*z3*z4)/(s123^2*s13*z123^2) + 
 (2*D*s1234*s14*s23*z1*z3*z4)/(s123^2*s13*z123^2) - 
 (4*s1234*s23^2*z1*z3*z4)/(s123^2*s13*z123^2) + 
 (D*s1234*s23^2*z1*z3*z4)/(s123^2*s13*z123^2) - 
 (12*s1234*s24*z1*z3*z4)/(s123^2*z123^2) + (4*D*s1234*s24*z1*z3*z4)/
  (s123^2*z123^2) - (4*s12*s1234*s24*z1*z3*z4)/(s123^2*s13*z123^2) + 
 (2*D*s12*s1234*s24*z1*z3*z4)/(s123^2*s13*z123^2) - 
 (8*s1234*s14*s24*z1*z3*z4)/(s123^2*s13*z123^2) + 
 (2*D*s1234*s14*s24*z1*z3*z4)/(s123^2*s13*z123^2) + 
 (2*D*s12*s1234*s24*z1*z3*z4)/(s123^2*s23*z123^2) + 
 (4*s12^2*s1234*s24*z1*z3*z4)/(s123^2*s13*s23*z123^2) - 
 (4*s1234*s13*s24*z1*z3*z4)/(s123^2*s23*z123^2) + 
 (2*D*s1234*s13*s24*z1*z3*z4)/(s123^2*s23*z123^2) - 
 (4*s1234*s14*s24*z1*z3*z4)/(s123^2*s23*z123^2) + 
 (2*D*s1234*s14*s24*z1*z3*z4)/(s123^2*s23*z123^2) + 
 (4*s12*s1234*s14*s24*z1*z3*z4)/(s123^2*s13*s23*z123^2) - 
 (8*s1234*s23*s24*z1*z3*z4)/(s123^2*s13*z123^2) + 
 (2*D*s1234*s23*s24*z1*z3*z4)/(s123^2*s13*z123^2) - 
 (4*s1234*s24^2*z1*z3*z4)/(s123^2*s13*z123^2) + 
 (D*s1234*s24^2*z1*z3*z4)/(s123^2*s13*z123^2) - 
 (2*s1234*s24^2*z1*z3*z4)/(s123^2*s23*z123^2) + 
 (D*s1234*s24^2*z1*z3*z4)/(s123^2*s23*z123^2) + 
 (2*s12*s1234*s24^2*z1*z3*z4)/(s123^2*s13*s23*z123^2) - 
 (12*s1234*s34*z1*z3*z4)/(s123^2*z123^2) + (4*D*s1234*s34*z1*z3*z4)/
  (s123^2*z123^2) - (4*s12*s1234*s34*z1*z3*z4)/(s123^2*s13*z123^2) + 
 (2*D*s12*s1234*s34*z1*z3*z4)/(s123^2*s13*z123^2) - 
 (8*s1234*s14*s34*z1*z3*z4)/(s123^2*s13*z123^2) + 
 (2*D*s1234*s14*s34*z1*z3*z4)/(s123^2*s13*z123^2) + 
 (2*D*s12*s1234*s34*z1*z3*z4)/(s123^2*s23*z123^2) + 
 (4*s12^2*s1234*s34*z1*z3*z4)/(s123^2*s13*s23*z123^2) - 
 (4*s1234*s13*s34*z1*z3*z4)/(s123^2*s23*z123^2) + 
 (2*D*s1234*s13*s34*z1*z3*z4)/(s123^2*s23*z123^2) - 
 (4*s1234*s14*s34*z1*z3*z4)/(s123^2*s23*z123^2) + 
 (2*D*s1234*s14*s34*z1*z3*z4)/(s123^2*s23*z123^2) + 
 (4*s12*s1234*s14*s34*z1*z3*z4)/(s123^2*s13*s23*z123^2) - 
 (8*s1234*s23*s34*z1*z3*z4)/(s123^2*s13*z123^2) + 
 (2*D*s1234*s23*s34*z1*z3*z4)/(s123^2*s13*z123^2) - 
 (8*s1234*s24*s34*z1*z3*z4)/(s123^2*s13*z123^2) + 
 (2*D*s1234*s24*s34*z1*z3*z4)/(s123^2*s13*z123^2) - 
 (4*s1234*s24*s34*z1*z3*z4)/(s123^2*s23*z123^2) + 
 (2*D*s1234*s24*s34*z1*z3*z4)/(s123^2*s23*z123^2) + 
 (4*s12*s1234*s24*s34*z1*z3*z4)/(s123^2*s13*s23*z123^2) - 
 (4*s1234*s34^2*z1*z3*z4)/(s123^2*s13*z123^2) + 
 (D*s1234*s34^2*z1*z3*z4)/(s123^2*s13*z123^2) - 
 (2*s1234*s34^2*z1*z3*z4)/(s123^2*s23*z123^2) + 
 (D*s1234*s34^2*z1*z3*z4)/(s123^2*s23*z123^2) + 
 (2*s12*s1234*s34^2*z1*z3*z4)/(s123^2*s13*s23*z123^2) + 
 (D*s12*s1234*z3*z4)/(s123^2*z123) + (4*s12^2*s1234*z3*z4)/
  (s123^2*s13*z123) - (5*s1234*s13*z3*z4)/(s123^2*z123) + 
 (3*D*s1234*s13*z3*z4)/(2*s123^2*z123) + (2*s1234*s14*z3*z4)/(s123^2*z123) - 
 (D*s1234*s14*z3*z4)/(s123^2*z123) + (4*s12*s1234*s14*z3*z4)/
  (s123^2*s13*z123) - (D*s12*s1234*s14*z3*z4)/(s123^2*s13*z123) + 
 (4*s1234*s14^2*z3*z4)/(s123^2*s13*z123) - (D*s1234*s14^2*z3*z4)/
  (s123^2*s13*z123) + (4*s12^2*s1234*z3*z4)/(s123^2*s23*z123) + 
 (2*s12^3*s1234*z3*z4)/(s123^2*s13*s23*z123) + 
 (s12*s1234*s13*z3*z4)/(s123^2*s23*z123) + (D*s12*s1234*s13*z3*z4)/
  (2*s123^2*s23*z123) - (s1234*s13^2*z3*z4)/(s123^2*s23*z123) + 
 (D*s1234*s13^2*z3*z4)/(2*s123^2*s23*z123) + (2*s12*s1234*s14*z3*z4)/
  (s123^2*s23*z123) - (D*s12*s1234*s14*z3*z4)/(s123^2*s23*z123) + 
 (s1234*s13*s14*z3*z4)/(s123^2*s23*z123) - (D*s1234*s13*s14*z3*z4)/
  (2*s123^2*s23*z123) + (2*s1234*s14^2*z3*z4)/(s123^2*s23*z123) - 
 (D*s1234*s14^2*z3*z4)/(s123^2*s23*z123) - (2*s12*s1234*s14^2*z3*z4)/
  (s123^2*s13*s23*z123) - (5*s1234*s23*z3*z4)/(s123^2*z123) + 
 (3*D*s1234*s23*z3*z4)/(2*s123^2*z123) + (s12*s1234*s23*z3*z4)/
  (s123^2*s13*z123) + (D*s12*s1234*s23*z3*z4)/(2*s123^2*s13*z123) + 
 (3*s1234*s14*s23*z3*z4)/(s123^2*s13*z123) - (D*s1234*s14*s23*z3*z4)/
  (2*s123^2*s13*z123) - (s1234*s23^2*z3*z4)/(s123^2*s13*z123) + 
 (D*s1234*s23^2*z3*z4)/(2*s123^2*s13*z123) + 
 (2*s1234*s24*z3*z4)/(s123^2*z123) - (D*s1234*s24*z3*z4)/(s123^2*z123) + 
 (2*s12*s1234*s24*z3*z4)/(s123^2*s13*z123) - (D*s12*s1234*s24*z3*z4)/
  (s123^2*s13*z123) + (6*s1234*s14*s24*z3*z4)/(s123^2*s13*z123) - 
 (2*D*s1234*s14*s24*z3*z4)/(s123^2*s13*z123) + 
 (4*s12*s1234*s24*z3*z4)/(s123^2*s23*z123) - (D*s12*s1234*s24*z3*z4)/
  (s123^2*s23*z123) + (3*s1234*s13*s24*z3*z4)/(s123^2*s23*z123) - 
 (D*s1234*s13*s24*z3*z4)/(2*s123^2*s23*z123) + 
 (6*s1234*s14*s24*z3*z4)/(s123^2*s23*z123) - (2*D*s1234*s14*s24*z3*z4)/
  (s123^2*s23*z123) - (4*s12*s1234*s14*s24*z3*z4)/(s123^2*s13*s23*z123) + 
 (s1234*s23*s24*z3*z4)/(s123^2*s13*z123) - (D*s1234*s23*s24*z3*z4)/
  (2*s123^2*s13*z123) + (2*s1234*s24^2*z3*z4)/(s123^2*s13*z123) - 
 (D*s1234*s24^2*z3*z4)/(s123^2*s13*z123) + (4*s1234*s24^2*z3*z4)/
  (s123^2*s23*z123) - (D*s1234*s24^2*z3*z4)/(s123^2*s23*z123) - 
 (2*s12*s1234*s24^2*z3*z4)/(s123^2*s13*s23*z123) - 
 (4*s1234*s34*z3*z4)/(s123^2*z123) + (D*s1234*s34*z3*z4)/(s123^2*z123) - 
 (6*s12*s1234*s34*z3*z4)/(s123^2*s13*z123) + (2*D*s12*s1234*s34*z3*z4)/
  (s123^2*s13*z123) + (4*s1234*s14*s34*z3*z4)/(s123^2*s13*z123) - 
 (D*s1234*s14*s34*z3*z4)/(s123^2*s13*z123) - (6*s12*s1234*s34*z3*z4)/
  (s123^2*s23*z123) + (2*D*s12*s1234*s34*z3*z4)/(s123^2*s23*z123) - 
 (6*s12^2*s1234*s34*z3*z4)/(s123^2*s13*s23*z123) + 
 (2*D*s12^2*s1234*s34*z3*z4)/(s123^2*s13*s23*z123) - 
 (s1234*s13*s34*z3*z4)/(s123^2*s23*z123) + (D*s1234*s13*s34*z3*z4)/
  (2*s123^2*s23*z123) + (2*s1234*s14*s34*z3*z4)/(s123^2*s23*z123) - 
 (D*s1234*s14*s34*z3*z4)/(s123^2*s23*z123) - (10*s12*s1234*s14*s34*z3*z4)/
  (s123^2*s13*s23*z123) + (2*D*s12*s1234*s14*s34*z3*z4)/
  (s123^2*s13*s23*z123) - (s1234*s23*s34*z3*z4)/(s123^2*s13*z123) + 
 (D*s1234*s23*s34*z3*z4)/(2*s123^2*s13*z123) + 
 (2*s1234*s24*s34*z3*z4)/(s123^2*s13*z123) - (D*s1234*s24*s34*z3*z4)/
  (s123^2*s13*z123) + (4*s1234*s24*s34*z3*z4)/(s123^2*s23*z123) - 
 (D*s1234*s24*s34*z3*z4)/(s123^2*s23*z123) - (10*s12*s1234*s24*s34*z3*z4)/
  (s123^2*s13*s23*z123) + (2*D*s12*s1234*s24*s34*z3*z4)/
  (s123^2*s13*s23*z123) - (8*s12*s1234*s34^2*z3*z4)/(s123^2*s13*s23*z123) + 
 (2*D*s12*s1234*s34^2*z3*z4)/(s123^2*s13*s23*z123) - 
 (8*s12*s1234*z2*z3*z4)/(s123^2*z123^2) + (4*D*s12*s1234*z2*z3*z4)/
  (s123^2*z123^2) + (2*s12^2*s1234*z2*z3*z4)/(s123^2*s13*z123^2) + 
 (D*s12^2*s1234*z2*z3*z4)/(s123^2*s13*z123^2) - 
 (10*s1234*s13*z2*z3*z4)/(s123^2*z123^2) + (3*D*s1234*s13*z2*z3*z4)/
  (s123^2*z123^2) - (12*s1234*s14*z2*z3*z4)/(s123^2*z123^2) + 
 (4*D*s1234*s14*z2*z3*z4)/(s123^2*z123^2) + (2*D*s12*s1234*s14*z2*z3*z4)/
  (s123^2*s13*z123^2) - (2*s1234*s14^2*z2*z3*z4)/(s123^2*s13*z123^2) + 
 (D*s1234*s14^2*z2*z3*z4)/(s123^2*s13*z123^2) + 
 (D*s12^2*s1234*z2*z3*z4)/(s123^2*s23*z123^2) + 
 (2*s12^3*s1234*z2*z3*z4)/(s123^2*s13*s23*z123^2) - 
 (6*s12*s1234*s13*z2*z3*z4)/(s123^2*s23*z123^2) + 
 (2*D*s12*s1234*s13*z2*z3*z4)/(s123^2*s23*z123^2) - 
 (4*s1234*s13^2*z2*z3*z4)/(s123^2*s23*z123^2) + 
 (D*s1234*s13^2*z2*z3*z4)/(s123^2*s23*z123^2) - 
 (4*s12*s1234*s14*z2*z3*z4)/(s123^2*s23*z123^2) + 
 (2*D*s12*s1234*s14*z2*z3*z4)/(s123^2*s23*z123^2) + 
 (4*s12^2*s1234*s14*z2*z3*z4)/(s123^2*s13*s23*z123^2) - 
 (8*s1234*s13*s14*z2*z3*z4)/(s123^2*s23*z123^2) + 
 (2*D*s1234*s13*s14*z2*z3*z4)/(s123^2*s23*z123^2) - 
 (4*s1234*s14^2*z2*z3*z4)/(s123^2*s23*z123^2) + 
 (D*s1234*s14^2*z2*z3*z4)/(s123^2*s23*z123^2) + 
 (2*s12*s1234*s14^2*z2*z3*z4)/(s123^2*s13*s23*z123^2) - 
 (8*s1234*s23*z2*z3*z4)/(s123^2*z123^2) + (3*D*s1234*s23*z2*z3*z4)/
  (s123^2*z123^2) - (2*s12*s1234*s23*z2*z3*z4)/(s123^2*s13*z123^2) + 
 (2*D*s12*s1234*s23*z2*z3*z4)/(s123^2*s13*z123^2) - 
 (4*s1234*s14*s23*z2*z3*z4)/(s123^2*s13*z123^2) + 
 (2*D*s1234*s14*s23*z2*z3*z4)/(s123^2*s13*z123^2) - 
 (2*s1234*s23^2*z2*z3*z4)/(s123^2*s13*z123^2) + 
 (D*s1234*s23^2*z2*z3*z4)/(s123^2*s13*z123^2) - 
 (12*s1234*s24*z2*z3*z4)/(s123^2*z123^2) + (4*D*s1234*s24*z2*z3*z4)/
  (s123^2*z123^2) + (2*D*s12*s1234*s24*z2*z3*z4)/(s123^2*s13*z123^2) - 
 (4*s1234*s14*s24*z2*z3*z4)/(s123^2*s13*z123^2) + 
 (2*D*s1234*s14*s24*z2*z3*z4)/(s123^2*s13*z123^2) - 
 (4*s12*s1234*s24*z2*z3*z4)/(s123^2*s23*z123^2) + 
 (2*D*s12*s1234*s24*z2*z3*z4)/(s123^2*s23*z123^2) + 
 (4*s12^2*s1234*s24*z2*z3*z4)/(s123^2*s13*s23*z123^2) - 
 (8*s1234*s13*s24*z2*z3*z4)/(s123^2*s23*z123^2) + 
 (2*D*s1234*s13*s24*z2*z3*z4)/(s123^2*s23*z123^2) - 
 (8*s1234*s14*s24*z2*z3*z4)/(s123^2*s23*z123^2) + 
 (2*D*s1234*s14*s24*z2*z3*z4)/(s123^2*s23*z123^2) + 
 (4*s12*s1234*s14*s24*z2*z3*z4)/(s123^2*s13*s23*z123^2) - 
 (4*s1234*s23*s24*z2*z3*z4)/(s123^2*s13*z123^2) + 
 (2*D*s1234*s23*s24*z2*z3*z4)/(s123^2*s13*z123^2) - 
 (2*s1234*s24^2*z2*z3*z4)/(s123^2*s13*z123^2) + 
 (D*s1234*s24^2*z2*z3*z4)/(s123^2*s13*z123^2) - 
 (4*s1234*s24^2*z2*z3*z4)/(s123^2*s23*z123^2) + 
 (D*s1234*s24^2*z2*z3*z4)/(s123^2*s23*z123^2) + 
 (2*s12*s1234*s24^2*z2*z3*z4)/(s123^2*s13*s23*z123^2) - 
 (12*s1234*s34*z2*z3*z4)/(s123^2*z123^2) + (4*D*s1234*s34*z2*z3*z4)/
  (s123^2*z123^2) + (2*D*s12*s1234*s34*z2*z3*z4)/(s123^2*s13*z123^2) - 
 (4*s1234*s14*s34*z2*z3*z4)/(s123^2*s13*z123^2) + 
 (2*D*s1234*s14*s34*z2*z3*z4)/(s123^2*s13*z123^2) - 
 (4*s12*s1234*s34*z2*z3*z4)/(s123^2*s23*z123^2) + 
 (2*D*s12*s1234*s34*z2*z3*z4)/(s123^2*s23*z123^2) + 
 (4*s12^2*s1234*s34*z2*z3*z4)/(s123^2*s13*s23*z123^2) - 
 (8*s1234*s13*s34*z2*z3*z4)/(s123^2*s23*z123^2) + 
 (2*D*s1234*s13*s34*z2*z3*z4)/(s123^2*s23*z123^2) - 
 (8*s1234*s14*s34*z2*z3*z4)/(s123^2*s23*z123^2) + 
 (2*D*s1234*s14*s34*z2*z3*z4)/(s123^2*s23*z123^2) + 
 (4*s12*s1234*s14*s34*z2*z3*z4)/(s123^2*s13*s23*z123^2) - 
 (4*s1234*s23*s34*z2*z3*z4)/(s123^2*s13*z123^2) + 
 (2*D*s1234*s23*s34*z2*z3*z4)/(s123^2*s13*z123^2) - 
 (4*s1234*s24*s34*z2*z3*z4)/(s123^2*s13*z123^2) + 
 (2*D*s1234*s24*s34*z2*z3*z4)/(s123^2*s13*z123^2) - 
 (8*s1234*s24*s34*z2*z3*z4)/(s123^2*s23*z123^2) + 
 (2*D*s1234*s24*s34*z2*z3*z4)/(s123^2*s23*z123^2) + 
 (4*s12*s1234*s24*s34*z2*z3*z4)/(s123^2*s13*s23*z123^2) - 
 (2*s1234*s34^2*z2*z3*z4)/(s123^2*s13*z123^2) + 
 (D*s1234*s34^2*z2*z3*z4)/(s123^2*s13*z123^2) - 
 (4*s1234*s34^2*z2*z3*z4)/(s123^2*s23*z123^2) + 
 (D*s1234*s34^2*z2*z3*z4)/(s123^2*s23*z123^2) + 
 (2*s12*s1234*s34^2*z2*z3*z4)/(s123^2*s13*s23*z123^2) + 
 (8*s12*s1234*z3^2*z4)/(s123^2*z123^2) - (2*D*s12*s1234*z3^2*z4)/
  (s123^2*z123^2) + (8*s12^2*s1234*z3^2*z4)/(s123^2*s13*z123^2) - 
 (2*D*s12^2*s1234*z3^2*z4)/(s123^2*s13*z123^2) + 
 (8*s12*s1234*s14*z3^2*z4)/(s123^2*s13*z123^2) - 
 (2*D*s12*s1234*s14*z3^2*z4)/(s123^2*s13*z123^2) + 
 (8*s12^2*s1234*z3^2*z4)/(s123^2*s23*z123^2) - 
 (2*D*s12^2*s1234*z3^2*z4)/(s123^2*s23*z123^2) + 
 (4*s12^3*s1234*z3^2*z4)/(s123^2*s13*s23*z123^2) - 
 (D*s12^3*s1234*z3^2*z4)/(s123^2*s13*s23*z123^2) + 
 (4*s12*s1234*s13*z3^2*z4)/(s123^2*s23*z123^2) - 
 (D*s12*s1234*s13*z3^2*z4)/(s123^2*s23*z123^2) + 
 (8*s12*s1234*s14*z3^2*z4)/(s123^2*s23*z123^2) - 
 (2*D*s12*s1234*s14*z3^2*z4)/(s123^2*s23*z123^2) + 
 (8*s12^2*s1234*s14*z3^2*z4)/(s123^2*s13*s23*z123^2) - 
 (2*D*s12^2*s1234*s14*z3^2*z4)/(s123^2*s13*s23*z123^2) + 
 (4*s12*s1234*s14^2*z3^2*z4)/(s123^2*s13*s23*z123^2) - 
 (D*s12*s1234*s14^2*z3^2*z4)/(s123^2*s13*s23*z123^2) + 
 (4*s12*s1234*s23*z3^2*z4)/(s123^2*s13*z123^2) - 
 (D*s12*s1234*s23*z3^2*z4)/(s123^2*s13*z123^2) + 
 (8*s12*s1234*s24*z3^2*z4)/(s123^2*s13*z123^2) - 
 (2*D*s12*s1234*s24*z3^2*z4)/(s123^2*s13*z123^2) + 
 (8*s12*s1234*s24*z3^2*z4)/(s123^2*s23*z123^2) - 
 (2*D*s12*s1234*s24*z3^2*z4)/(s123^2*s23*z123^2) + 
 (8*s12^2*s1234*s24*z3^2*z4)/(s123^2*s13*s23*z123^2) - 
 (2*D*s12^2*s1234*s24*z3^2*z4)/(s123^2*s13*s23*z123^2) + 
 (8*s12*s1234*s14*s24*z3^2*z4)/(s123^2*s13*s23*z123^2) - 
 (2*D*s12*s1234*s14*s24*z3^2*z4)/(s123^2*s13*s23*z123^2) + 
 (4*s12*s1234*s24^2*z3^2*z4)/(s123^2*s13*s23*z123^2) - 
 (D*s12*s1234*s24^2*z3^2*z4)/(s123^2*s13*s23*z123^2) + 
 (8*s12*s1234*s34*z3^2*z4)/(s123^2*s13*z123^2) - 
 (2*D*s12*s1234*s34*z3^2*z4)/(s123^2*s13*z123^2) + 
 (8*s12*s1234*s34*z3^2*z4)/(s123^2*s23*z123^2) - 
 (2*D*s12*s1234*s34*z3^2*z4)/(s123^2*s23*z123^2) + 
 (8*s12^2*s1234*s34*z3^2*z4)/(s123^2*s13*s23*z123^2) - 
 (2*D*s12^2*s1234*s34*z3^2*z4)/(s123^2*s13*s23*z123^2) + 
 (8*s12*s1234*s14*s34*z3^2*z4)/(s123^2*s13*s23*z123^2) - 
 (2*D*s12*s1234*s14*s34*z3^2*z4)/(s123^2*s13*s23*z123^2) + 
 (8*s12*s1234*s24*s34*z3^2*z4)/(s123^2*s13*s23*z123^2) - 
 (2*D*s12*s1234*s24*s34*z3^2*z4)/(s123^2*s13*s23*z123^2) + 
 (4*s12*s1234*s34^2*z3^2*z4)/(s123^2*s13*s23*z123^2) - 
 (D*s12*s1234*s34^2*z3^2*z4)/(s123^2*s13*s23*z123^2) - 
 (2*s12*s1234*z4^2)/(s124^2*z12) + (14*s1234*z4^2)/(s124*z12) + 
 (4*s1234*s13*z4^2)/(s124^2*z12) - (D*s1234*s13*z4^2)/(2*s124^2*z12) + 
 (2*s1234*s13*z4^2)/(s12*s124*z12) + (D*s1234*s13*z4^2)/(2*s12*s124*z12) - 
 (5*s1234*s14*z4^2)/(s124^2*z12) + (13*s1234*s14*z4^2)/(s12*s124*z12) + 
 (4*s1234*s13*s14*z4^2)/(s12*s124^2*z12) - (D*s1234*s13*s14*z4^2)/
  (2*s12*s124^2*z12) - (3*s1234*s14^2*z4^2)/(s12*s124^2*z12) + 
 (4*s1234*s23*z4^2)/(s124^2*z12) - (D*s1234*s23*z4^2)/(2*s124^2*z12) + 
 (2*s1234*s23*z4^2)/(s12*s124*z12) + (D*s1234*s23*z4^2)/(2*s12*s124*z12) + 
 (4*s1234*s14*s23*z4^2)/(s12*s124^2*z12) - (D*s1234*s14*s23*z4^2)/
  (2*s12*s124^2*z12) - (5*s1234*s24*z4^2)/(s124^2*z12) + 
 (13*s1234*s24*z4^2)/(s12*s124*z12) + (4*s1234*s13*s24*z4^2)/
  (s12*s124^2*z12) - (D*s1234*s13*s24*z4^2)/(2*s12*s124^2*z12) - 
 (6*s1234*s14*s24*z4^2)/(s12*s124^2*z12) + (4*s1234*s23*s24*z4^2)/
  (s12*s124^2*z12) - (D*s1234*s23*s24*z4^2)/(2*s12*s124^2*z12) - 
 (3*s1234*s24^2*z4^2)/(s12*s124^2*z12) + (8*s1234*z4^2)/(s34*z12) + 
 (5*s1234*s13*z4^2)/(s12*s34*z12) + (D*s1234*s13*z4^2)/(2*s12*s34*z12) + 
 (5*s1234*s13*z4^2)/(s124*s34*z12) - (D*s1234*s13*z4^2)/(2*s124*s34*z12) + 
 (2*s1234*s13^2*z4^2)/(s12*s124*s34*z12) + (9*s1234*s14*z4^2)/(s12*s34*z12) - 
 (3*s1234*s14*z4^2)/(s124*s34*z12) + (3*s1234*s13*s14*z4^2)/
  (s12*s124*s34*z12) - (D*s1234*s13*s14*z4^2)/(2*s12*s124*s34*z12) - 
 (3*s1234*s14^2*z4^2)/(s12*s124*s34*z12) + (5*s1234*s23*z4^2)/(s12*s34*z12) + 
 (D*s1234*s23*z4^2)/(2*s12*s34*z12) + (5*s1234*s23*z4^2)/(s124*s34*z12) - 
 (D*s1234*s23*z4^2)/(2*s124*s34*z12) + (4*s1234*s13*s23*z4^2)/
  (s12*s124*s34*z12) + (3*s1234*s14*s23*z4^2)/(s12*s124*s34*z12) - 
 (D*s1234*s14*s23*z4^2)/(2*s12*s124*s34*z12) + 
 (2*s1234*s23^2*z4^2)/(s12*s124*s34*z12) + (9*s1234*s24*z4^2)/(s12*s34*z12) - 
 (3*s1234*s24*z4^2)/(s124*s34*z12) + (3*s1234*s13*s24*z4^2)/
  (s12*s124*s34*z12) - (D*s1234*s13*s24*z4^2)/(2*s12*s124*s34*z12) - 
 (6*s1234*s14*s24*z4^2)/(s12*s124*s34*z12) + 
 (3*s1234*s23*s24*z4^2)/(s12*s124*s34*z12) - 
 (D*s1234*s23*s24*z4^2)/(2*s12*s124*s34*z12) - 
 (3*s1234*s24^2*z4^2)/(s12*s124*s34*z12) + (4*s1234*s34*z4^2)/(s124^2*z12) + 
 (4*s1234*s14*s34*z4^2)/(s12*s124^2*z12) + (4*s1234*s24*s34*z4^2)/
  (s12*s124^2*z12) + (2*D*s12*s1234*z4^2)/(s123^2*z123) + 
 (8*s12^2*s1234*z4^2)/(s123^2*s13*z123) - (10*s1234*s13*z4^2)/(s123^2*z123) + 
 (3*D*s1234*s13*z4^2)/(s123^2*z123) - (8*s1234*s14*z4^2)/(s123^2*z123) + 
 (2*D*s1234*s14*z4^2)/(s123^2*z123) + (4*s12*s1234*s14*z4^2)/
  (s123^2*s13*z123) + (8*s12^2*s1234*z4^2)/(s123^2*s23*z123) + 
 (4*s12^3*s1234*z4^2)/(s123^2*s13*s23*z123) + 
 (2*s12*s1234*s13*z4^2)/(s123^2*s23*z123) + (D*s12*s1234*s13*z4^2)/
  (s123^2*s23*z123) - (2*s1234*s13^2*z4^2)/(s123^2*s23*z123) + 
 (D*s1234*s13^2*z4^2)/(s123^2*s23*z123) + (4*s12*s1234*s14*z4^2)/
  (s123^2*s23*z123) + (4*s12^2*s1234*s14*z4^2)/(s123^2*s13*s23*z123) - 
 (2*s1234*s13*s14*z4^2)/(s123^2*s23*z123) + (D*s1234*s13*s14*z4^2)/
  (s123^2*s23*z123) - (10*s1234*s23*z4^2)/(s123^2*z123) + 
 (3*D*s1234*s23*z4^2)/(s123^2*z123) + (2*s12*s1234*s23*z4^2)/
  (s123^2*s13*z123) + (D*s12*s1234*s23*z4^2)/(s123^2*s13*z123) - 
 (2*s1234*s14*s23*z4^2)/(s123^2*s13*z123) + (D*s1234*s14*s23*z4^2)/
  (s123^2*s13*z123) - (2*s1234*s23^2*z4^2)/(s123^2*s13*z123) + 
 (D*s1234*s23^2*z4^2)/(s123^2*s13*z123) - (8*s1234*s24*z4^2)/(s123^2*z123) + 
 (2*D*s1234*s24*z4^2)/(s123^2*z123) + (4*s12*s1234*s24*z4^2)/
  (s123^2*s13*z123) + (4*s12*s1234*s24*z4^2)/(s123^2*s23*z123) + 
 (4*s12^2*s1234*s24*z4^2)/(s123^2*s13*s23*z123) - 
 (2*s1234*s13*s24*z4^2)/(s123^2*s23*z123) + (D*s1234*s13*s24*z4^2)/
  (s123^2*s23*z123) - (2*s1234*s23*s24*z4^2)/(s123^2*s13*z123) + 
 (D*s1234*s23*s24*z4^2)/(s123^2*s13*z123) - 
 (8*s1234*s34*z4^2)/(s123^2*z123) + (2*D*s1234*s34*z4^2)/(s123^2*z123) + 
 (4*s12*s1234*s34*z4^2)/(s123^2*s13*z123) + (4*s12*s1234*s34*z4^2)/
  (s123^2*s23*z123) + (4*s12^2*s1234*s34*z4^2)/(s123^2*s13*s23*z123) - 
 (2*s1234*s13*s34*z4^2)/(s123^2*s23*z123) + (D*s1234*s13*s34*z4^2)/
  (s123^2*s23*z123) - (2*s1234*s23*s34*z4^2)/(s123^2*s13*z123) + 
 (D*s1234*s23*s34*z4^2)/(s123^2*s13*z123) + (8*s1234*z4^2)/(s124*z3) - 
 (2*D*s1234*z4^2)/(s124*z3) + (2*s1234*s13*z4^2)/(s124^2*z3) - 
 (D*s1234*s13*z4^2)/(2*s124^2*z3) + (3*s1234*s13*z4^2)/(s12*s124*z3) - 
 (D*s1234*s13*z4^2)/(2*s12*s124*z3) + (4*s1234*s14*z4^2)/(s12*s124*z3) + 
 (D*s1234*s13*s14*z4^2)/(2*s12*s124^2*z3) + (2*s1234*s23*z4^2)/(s124^2*z3) - 
 (D*s1234*s23*z4^2)/(2*s124^2*z3) + (3*s1234*s23*z4^2)/(s12*s124*z3) - 
 (D*s1234*s23*z4^2)/(2*s12*s124*z3) - (s1234*s14*s23*z4^2)/(s12*s124^2*z3) + 
 (D*s1234*s14*s23*z4^2)/(2*s12*s124^2*z3) + (3*s1234*s14*s23*z4^2)/
  (s12^2*s124*z3) - (s1234*s14^2*s23*z4^2)/(s12^2*s124^2*z3) + 
 (4*s1234*s24*z4^2)/(s12*s124*z3) - (s1234*s13*s24*z4^2)/(s12*s124^2*z3) + 
 (D*s1234*s13*s24*z4^2)/(2*s12*s124^2*z3) + (3*s1234*s13*s24*z4^2)/
  (s12^2*s124*z3) + (8*s1234*s14*s24*z4^2)/(s12^2*s124*z3) + 
 (3*s1234*s13*s14*s24*z4^2)/(s12^2*s124^2*z3) + 
 (D*s1234*s23*s24*z4^2)/(2*s12*s124^2*z3) + (3*s1234*s14*s23*s24*z4^2)/
  (s12^2*s124^2*z3) - (s1234*s13*s24^2*z4^2)/(s12^2*s124^2*z3) + 
 (4*s1234*z4^2)/(s34*z3) - (D*s1234*z4^2)/(s34*z3) + 
 (3*s1234*s13*z4^2)/(s12*s34*z3) - (D*s1234*s13*z4^2)/(2*s12*s34*z3) + 
 (2*s1234*s13*z4^2)/(s124*s34*z3) - (D*s1234*s13*z4^2)/(2*s124*s34*z3) + 
 (s1234*s13^2*z4^2)/(s12*s124*s34*z3) + (2*s1234*s14*z4^2)/(s12*s34*z3) + 
 (D*s1234*s13*s14*z4^2)/(2*s12*s124*s34*z3) + 
 (3*s1234*s23*z4^2)/(s12*s34*z3) - (D*s1234*s23*z4^2)/(2*s12*s34*z3) + 
 (2*s1234*s23*z4^2)/(s124*s34*z3) - (D*s1234*s23*z4^2)/(2*s124*s34*z3) + 
 (2*s1234*s13*s23*z4^2)/(s12^2*s34*z3) + (3*s1234*s14*s23*z4^2)/
  (s12^2*s34*z3) - (s1234*s14*s23*z4^2)/(s12*s124*s34*z3) + 
 (D*s1234*s14*s23*z4^2)/(2*s12*s124*s34*z3) - 
 (s1234*s14^2*s23*z4^2)/(s12^2*s124*s34*z3) + 
 (s1234*s23^2*z4^2)/(s12*s124*s34*z3) + (2*s1234*s14*s23^2*z4^2)/
  (s12^2*s124*s34*z3) + (2*s1234*s24*z4^2)/(s12*s34*z3) + 
 (3*s1234*s13*s24*z4^2)/(s12^2*s34*z3) - (s1234*s13*s24*z4^2)/
  (s12*s124*s34*z3) + (D*s1234*s13*s24*z4^2)/(2*s12*s124*s34*z3) + 
 (2*s1234*s13^2*s24*z4^2)/(s12^2*s124*s34*z3) + 
 (4*s1234*s14*s24*z4^2)/(s12^2*s34*z3) + (3*s1234*s13*s14*s24*z4^2)/
  (s12^2*s124*s34*z3) + (D*s1234*s23*s24*z4^2)/(2*s12*s124*s34*z3) + 
 (3*s1234*s14*s23*s24*z4^2)/(s12^2*s124*s34*z3) - 
 (s1234*s13*s24^2*z4^2)/(s12^2*s124*s34*z3) + 
 (4*s1234*s34*z4^2)/(s124^2*z3) - (D*s1234*s34*z4^2)/(s124^2*z3) + 
 (2*s1234*s14*s34*z4^2)/(s12*s124^2*z3) + (2*s1234*s24*s34*z4^2)/
  (s12*s124^2*z3) + (4*s1234*s14*s24*s34*z4^2)/(s12^2*s124^2*z3) - 
 (3*s1234*z1*z4^2)/(s12*z12*z3) + (9*s1234*z1*z4^2)/(s124*z12*z3) + 
 (5*s1234*s13*z1*z4^2)/(s124^2*z12*z3) + (9*s1234*s14*z1*z4^2)/
  (s12*s124*z12*z3) + (5*s1234*s13*s14*z1*z4^2)/(s12*s124^2*z12*z3) + 
 (5*s1234*s23*z1*z4^2)/(s124^2*z12*z3) - (2*s1234*s23*z1*z4^2)/
  (s12*s124*z12*z3) + (6*s1234*s14*s23*z1*z4^2)/(s12*s124^2*z12*z3) - 
 (3*s1234*s14*s23*z1*z4^2)/(s12^2*s124*z12*z3) + 
 (s1234*s14^2*s23*z1*z4^2)/(s12^2*s124^2*z12*z3) + 
 (s1234*s24*z1*z4^2)/(s12*s124*z12*z3) + (2*s1234*s13*s24*z1*z4^2)/
  (s12*s124^2*z12*z3) - (3*s1234*s13*s24*z1*z4^2)/(s12^2*s124*z12*z3) - 
 (8*s1234*s14*s24*z1*z4^2)/(s12^2*s124*z12*z3) - 
 (3*s1234*s13*s14*s24*z1*z4^2)/(s12^2*s124^2*z12*z3) + 
 (3*s1234*s23*s24*z1*z4^2)/(s12*s124^2*z12*z3) - 
 (6*s1234*s23*s24*z1*z4^2)/(s12^2*s124*z12*z3) - 
 (s1234*s14*s23*s24*z1*z4^2)/(s12^2*s124^2*z12*z3) - 
 (8*s1234*s24^2*z1*z4^2)/(s12^2*s124*z12*z3) - 
 (3*s1234*s13*s24^2*z1*z4^2)/(s12^2*s124^2*z12*z3) - 
 (2*s1234*s23*s24^2*z1*z4^2)/(s12^2*s124^2*z12*z3) + 
 (2*s1234*z1*z4^2)/(s34*z12*z3) + (s1234*s13*z1*z4^2)/(s12*s34*z12*z3) + 
 (2*s1234*s13*z1*z4^2)/(s124*s34*z12*z3) + (s1234*s13^2*z1*z4^2)/
  (s12*s124*s34*z12*z3) + (2*s1234*s14*z1*z4^2)/(s12*s34*z12*z3) + 
 (2*s1234*s13*s14*z1*z4^2)/(s12*s124*s34*z12*z3) - 
 (s1234*s23*z1*z4^2)/(s12*s34*z12*z3) + (2*s1234*s23*z1*z4^2)/
  (s124*s34*z12*z3) - (2*s1234*s13*s23*z1*z4^2)/(s12^2*s34*z12*z3) + 
 (2*s1234*s13*s23*z1*z4^2)/(s12*s124*s34*z12*z3) - 
 (3*s1234*s14*s23*z1*z4^2)/(s12^2*s34*z12*z3) + 
 (3*s1234*s14*s23*z1*z4^2)/(s12*s124*s34*z12*z3) + 
 (s1234*s14^2*s23*z1*z4^2)/(s12^2*s124*s34*z12*z3) - 
 (2*s1234*s23^2*z1*z4^2)/(s12^2*s34*z12*z3) + 
 (s1234*s23^2*z1*z4^2)/(s12*s124*s34*z12*z3) - 
 (2*s1234*s24*z1*z4^2)/(s12*s34*z12*z3) - (3*s1234*s13*s24*z1*z4^2)/
  (s12^2*s34*z12*z3) - (s1234*s13*s24*z1*z4^2)/(s12*s124*s34*z12*z3) - 
 (2*s1234*s13^2*s24*z1*z4^2)/(s12^2*s124*s34*z12*z3) - 
 (4*s1234*s14*s24*z1*z4^2)/(s12^2*s34*z12*z3) - 
 (3*s1234*s13*s14*s24*z1*z4^2)/(s12^2*s124*s34*z12*z3) - 
 (6*s1234*s23*s24*z1*z4^2)/(s12^2*s34*z12*z3) - 
 (4*s1234*s13*s23*s24*z1*z4^2)/(s12^2*s124*s34*z12*z3) - 
 (s1234*s14*s23*s24*z1*z4^2)/(s12^2*s124*s34*z12*z3) - 
 (2*s1234*s23^2*s24*z1*z4^2)/(s12^2*s124*s34*z12*z3) - 
 (4*s1234*s24^2*z1*z4^2)/(s12^2*s34*z12*z3) - (3*s1234*s13*s24^2*z1*z4^2)/
  (s12^2*s124*s34*z12*z3) - (2*s1234*s23*s24^2*z1*z4^2)/
  (s12^2*s124*s34*z12*z3) + (7*s1234*s34*z1*z4^2)/(s124^2*z12*z3) - 
 (3*s1234*s34*z1*z4^2)/(s12*s124*z12*z3) + (7*s1234*s14*s34*z1*z4^2)/
  (s12*s124^2*z12*z3) + (3*s1234*s24*s34*z1*z4^2)/(s12*s124^2*z12*z3) - 
 (4*s1234*s14*s24*s34*z1*z4^2)/(s12^2*s124^2*z12*z3) - 
 (4*s1234*s24^2*s34*z1*z4^2)/(s12^2*s124^2*z12*z3) + 
 (8*s1234*z1*z2*z4^2)/(s124*z12^2*z3) + (2*s1234*s13*z1*z2*z4^2)/
  (s124^2*z12^2*z3) + (6*s1234*s13*z1*z2*z4^2)/(s12*s124*z12^2*z3) + 
 (16*s1234*s14*z1*z2*z4^2)/(s12*s124*z12^2*z3) + 
 (4*s1234*s13*s14*z1*z2*z4^2)/(s12*s124^2*z12^2*z3) + 
 (6*s1234*s13*s14*z1*z2*z4^2)/(s12^2*s124*z12^2*z3) + 
 (8*s1234*s14^2*z1*z2*z4^2)/(s12^2*s124*z12^2*z3) + 
 (2*s1234*s13*s14^2*z1*z2*z4^2)/(s12^2*s124^2*z12^2*z3) + 
 (2*s1234*s23*z1*z2*z4^2)/(s124^2*z12^2*z3) + 
 (6*s1234*s23*z1*z2*z4^2)/(s12*s124*z12^2*z3) + 
 (4*s1234*s14*s23*z1*z2*z4^2)/(s12*s124^2*z12^2*z3) + 
 (6*s1234*s14*s23*z1*z2*z4^2)/(s12^2*s124*z12^2*z3) + 
 (2*s1234*s14^2*s23*z1*z2*z4^2)/(s12^2*s124^2*z12^2*z3) + 
 (16*s1234*s24*z1*z2*z4^2)/(s12*s124*z12^2*z3) + 
 (4*s1234*s13*s24*z1*z2*z4^2)/(s12*s124^2*z12^2*z3) + 
 (6*s1234*s13*s24*z1*z2*z4^2)/(s12^2*s124*z12^2*z3) + 
 (16*s1234*s14*s24*z1*z2*z4^2)/(s12^2*s124*z12^2*z3) + 
 (4*s1234*s13*s14*s24*z1*z2*z4^2)/(s12^2*s124^2*z12^2*z3) + 
 (4*s1234*s23*s24*z1*z2*z4^2)/(s12*s124^2*z12^2*z3) + 
 (6*s1234*s23*s24*z1*z2*z4^2)/(s12^2*s124*z12^2*z3) + 
 (4*s1234*s14*s23*s24*z1*z2*z4^2)/(s12^2*s124^2*z12^2*z3) + 
 (8*s1234*s24^2*z1*z2*z4^2)/(s12^2*s124*z12^2*z3) + 
 (2*s1234*s13*s24^2*z1*z2*z4^2)/(s12^2*s124^2*z12^2*z3) + 
 (2*s1234*s23*s24^2*z1*z2*z4^2)/(s12^2*s124^2*z12^2*z3) + 
 (4*s1234*z1*z2*z4^2)/(s34*z12^2*z3) + (6*s1234*s13*z1*z2*z4^2)/
  (s12*s34*z12^2*z3) + (2*s1234*s13*z1*z2*z4^2)/(s124*s34*z12^2*z3) + 
 (2*s1234*s13^2*z1*z2*z4^2)/(s12^2*s34*z12^2*z3) + 
 (2*s1234*s13^2*z1*z2*z4^2)/(s12*s124*s34*z12^2*z3) + 
 (8*s1234*s14*z1*z2*z4^2)/(s12*s34*z12^2*z3) + 
 (6*s1234*s13*s14*z1*z2*z4^2)/(s12^2*s34*z12^2*z3) + 
 (4*s1234*s13*s14*z1*z2*z4^2)/(s12*s124*s34*z12^2*z3) + 
 (2*s1234*s13^2*s14*z1*z2*z4^2)/(s12^2*s124*s34*z12^2*z3) + 
 (4*s1234*s14^2*z1*z2*z4^2)/(s12^2*s34*z12^2*z3) + 
 (2*s1234*s13*s14^2*z1*z2*z4^2)/(s12^2*s124*s34*z12^2*z3) + 
 (6*s1234*s23*z1*z2*z4^2)/(s12*s34*z12^2*z3) + 
 (2*s1234*s23*z1*z2*z4^2)/(s124*s34*z12^2*z3) + 
 (4*s1234*s13*s23*z1*z2*z4^2)/(s12^2*s34*z12^2*z3) + 
 (4*s1234*s13*s23*z1*z2*z4^2)/(s12*s124*s34*z12^2*z3) + 
 (6*s1234*s14*s23*z1*z2*z4^2)/(s12^2*s34*z12^2*z3) + 
 (4*s1234*s14*s23*z1*z2*z4^2)/(s12*s124*s34*z12^2*z3) + 
 (4*s1234*s13*s14*s23*z1*z2*z4^2)/(s12^2*s124*s34*z12^2*z3) + 
 (2*s1234*s14^2*s23*z1*z2*z4^2)/(s12^2*s124*s34*z12^2*z3) + 
 (2*s1234*s23^2*z1*z2*z4^2)/(s12^2*s34*z12^2*z3) + 
 (2*s1234*s23^2*z1*z2*z4^2)/(s12*s124*s34*z12^2*z3) + 
 (2*s1234*s14*s23^2*z1*z2*z4^2)/(s12^2*s124*s34*z12^2*z3) + 
 (8*s1234*s24*z1*z2*z4^2)/(s12*s34*z12^2*z3) + 
 (6*s1234*s13*s24*z1*z2*z4^2)/(s12^2*s34*z12^2*z3) + 
 (4*s1234*s13*s24*z1*z2*z4^2)/(s12*s124*s34*z12^2*z3) + 
 (2*s1234*s13^2*s24*z1*z2*z4^2)/(s12^2*s124*s34*z12^2*z3) + 
 (8*s1234*s14*s24*z1*z2*z4^2)/(s12^2*s34*z12^2*z3) + 
 (4*s1234*s13*s14*s24*z1*z2*z4^2)/(s12^2*s124*s34*z12^2*z3) + 
 (6*s1234*s23*s24*z1*z2*z4^2)/(s12^2*s34*z12^2*z3) + 
 (4*s1234*s23*s24*z1*z2*z4^2)/(s12*s124*s34*z12^2*z3) + 
 (4*s1234*s13*s23*s24*z1*z2*z4^2)/(s12^2*s124*s34*z12^2*z3) + 
 (4*s1234*s14*s23*s24*z1*z2*z4^2)/(s12^2*s124*s34*z12^2*z3) + 
 (2*s1234*s23^2*s24*z1*z2*z4^2)/(s12^2*s124*s34*z12^2*z3) + 
 (4*s1234*s24^2*z1*z2*z4^2)/(s12^2*s34*z12^2*z3) + 
 (2*s1234*s13*s24^2*z1*z2*z4^2)/(s12^2*s124*s34*z12^2*z3) + 
 (2*s1234*s23*s24^2*z1*z2*z4^2)/(s12^2*s124*s34*z12^2*z3) + 
 (4*s1234*s34*z1*z2*z4^2)/(s124^2*z12^2*z3) + (8*s1234*s14*s34*z1*z2*z4^2)/
  (s12*s124^2*z12^2*z3) + (4*s1234*s14^2*s34*z1*z2*z4^2)/
  (s12^2*s124^2*z12^2*z3) + (8*s1234*s24*s34*z1*z2*z4^2)/
  (s12*s124^2*z12^2*z3) + (8*s1234*s14*s24*s34*z1*z2*z4^2)/
  (s12^2*s124^2*z12^2*z3) + (4*s1234*s24^2*s34*z1*z2*z4^2)/
  (s12^2*s124^2*z12^2*z3) - (3*s1234*z2*z4^2)/(s12*z12*z3) + 
 (9*s1234*z2*z4^2)/(s124*z12*z3) + (5*s1234*s13*z2*z4^2)/(s124^2*z12*z3) - 
 (2*s1234*s13*z2*z4^2)/(s12*s124*z12*z3) + 
 (s1234*s14*z2*z4^2)/(s12*s124*z12*z3) + (3*s1234*s13*s14*z2*z4^2)/
  (s12*s124^2*z12*z3) - (6*s1234*s13*s14*z2*z4^2)/(s12^2*s124*z12*z3) - 
 (8*s1234*s14^2*z2*z4^2)/(s12^2*s124*z12*z3) - 
 (2*s1234*s13*s14^2*z2*z4^2)/(s12^2*s124^2*z12*z3) + 
 (5*s1234*s23*z2*z4^2)/(s124^2*z12*z3) + (2*s1234*s14*s23*z2*z4^2)/
  (s12*s124^2*z12*z3) - (3*s1234*s14*s23*z2*z4^2)/(s12^2*s124*z12*z3) - 
 (3*s1234*s14^2*s23*z2*z4^2)/(s12^2*s124^2*z12*z3) + 
 (9*s1234*s24*z2*z4^2)/(s12*s124*z12*z3) + (6*s1234*s13*s24*z2*z4^2)/
  (s12*s124^2*z12*z3) - (3*s1234*s13*s24*z2*z4^2)/(s12^2*s124*z12*z3) - 
 (8*s1234*s14*s24*z2*z4^2)/(s12^2*s124*z12*z3) - 
 (s1234*s13*s14*s24*z2*z4^2)/(s12^2*s124^2*z12*z3) + 
 (5*s1234*s23*s24*z2*z4^2)/(s12*s124^2*z12*z3) - 
 (3*s1234*s14*s23*s24*z2*z4^2)/(s12^2*s124^2*z12*z3) + 
 (s1234*s13*s24^2*z2*z4^2)/(s12^2*s124^2*z12*z3) + 
 (2*s1234*z2*z4^2)/(s34*z12*z3) - (s1234*s13*z2*z4^2)/(s12*s34*z12*z3) + 
 (2*s1234*s13*z2*z4^2)/(s124*s34*z12*z3) - (2*s1234*s13^2*z2*z4^2)/
  (s12^2*s34*z12*z3) + (s1234*s13^2*z2*z4^2)/(s12*s124*s34*z12*z3) - 
 (2*s1234*s14*z2*z4^2)/(s12*s34*z12*z3) - (6*s1234*s13*s14*z2*z4^2)/
  (s12^2*s34*z12*z3) - (2*s1234*s13^2*s14*z2*z4^2)/(s12^2*s124*s34*z12*z3) - 
 (4*s1234*s14^2*z2*z4^2)/(s12^2*s34*z12*z3) - (2*s1234*s13*s14^2*z2*z4^2)/
  (s12^2*s124*s34*z12*z3) + (s1234*s23*z2*z4^2)/(s12*s34*z12*z3) + 
 (2*s1234*s23*z2*z4^2)/(s124*s34*z12*z3) - (2*s1234*s13*s23*z2*z4^2)/
  (s12^2*s34*z12*z3) + (2*s1234*s13*s23*z2*z4^2)/(s12*s124*s34*z12*z3) - 
 (3*s1234*s14*s23*z2*z4^2)/(s12^2*s34*z12*z3) - 
 (s1234*s14*s23*z2*z4^2)/(s12*s124*s34*z12*z3) - 
 (4*s1234*s13*s14*s23*z2*z4^2)/(s12^2*s124*s34*z12*z3) - 
 (3*s1234*s14^2*s23*z2*z4^2)/(s12^2*s124*s34*z12*z3) + 
 (s1234*s23^2*z2*z4^2)/(s12*s124*s34*z12*z3) - 
 (2*s1234*s14*s23^2*z2*z4^2)/(s12^2*s124*s34*z12*z3) + 
 (2*s1234*s24*z2*z4^2)/(s12*s34*z12*z3) - (3*s1234*s13*s24*z2*z4^2)/
  (s12^2*s34*z12*z3) + (3*s1234*s13*s24*z2*z4^2)/(s12*s124*s34*z12*z3) - 
 (4*s1234*s14*s24*z2*z4^2)/(s12^2*s34*z12*z3) - 
 (s1234*s13*s14*s24*z2*z4^2)/(s12^2*s124*s34*z12*z3) + 
 (2*s1234*s23*s24*z2*z4^2)/(s12*s124*s34*z12*z3) - 
 (3*s1234*s14*s23*s24*z2*z4^2)/(s12^2*s124*s34*z12*z3) + 
 (s1234*s13*s24^2*z2*z4^2)/(s12^2*s124*s34*z12*z3) + 
 (7*s1234*s34*z2*z4^2)/(s124^2*z12*z3) - (3*s1234*s34*z2*z4^2)/
  (s12*s124*z12*z3) + (3*s1234*s14*s34*z2*z4^2)/(s12*s124^2*z12*z3) - 
 (4*s1234*s14^2*s34*z2*z4^2)/(s12^2*s124^2*z12*z3) + 
 (7*s1234*s24*s34*z2*z4^2)/(s12*s124^2*z12*z3) - 
 (4*s1234*s14*s24*s34*z2*z4^2)/(s12^2*s124^2*z12*z3) + 
 (8*s1234*z4^3)/(s124*z12*z3) + (3*s1234*s13*z4^3)/(s124^2*z12*z3) + 
 (3*s1234*s13*z4^3)/(s12*s124*z12*z3) + (8*s1234*s14*z4^3)/
  (s12*s124*z12*z3) + (3*s1234*s13*s14*z4^3)/(s12*s124^2*z12*z3) + 
 (3*s1234*s23*z4^3)/(s124^2*z12*z3) + (3*s1234*s23*z4^3)/(s12*s124*z12*z3) + 
 (3*s1234*s14*s23*z4^3)/(s12*s124^2*z12*z3) + 
 (8*s1234*s24*z4^3)/(s12*s124*z12*z3) + (3*s1234*s13*s24*z4^3)/
  (s12*s124^2*z12*z3) + (3*s1234*s23*s24*z4^3)/(s12*s124^2*z12*z3) + 
 (4*s1234*z4^3)/(s34*z12*z3) + (3*s1234*s13*z4^3)/(s12*s34*z12*z3) + 
 (3*s1234*s13*z4^3)/(s124*s34*z12*z3) + (2*s1234*s13^2*z4^3)/
  (s12*s124*s34*z12*z3) + (4*s1234*s14*z4^3)/(s12*s34*z12*z3) + 
 (3*s1234*s13*s14*z4^3)/(s12*s124*s34*z12*z3) + 
 (3*s1234*s23*z4^3)/(s12*s34*z12*z3) + (3*s1234*s23*z4^3)/(s124*s34*z12*z3) + 
 (4*s1234*s13*s23*z4^3)/(s12*s124*s34*z12*z3) + 
 (3*s1234*s14*s23*z4^3)/(s12*s124*s34*z12*z3) + 
 (2*s1234*s23^2*z4^3)/(s12*s124*s34*z12*z3) + 
 (4*s1234*s24*z4^3)/(s12*s34*z12*z3) + (3*s1234*s13*s24*z4^3)/
  (s12*s124*s34*z12*z3) + (3*s1234*s23*s24*z4^3)/(s12*s124*s34*z12*z3) + 
 (4*s1234*s34*z4^3)/(s124^2*z12*z3) + (4*s1234*s14*s34*z4^3)/
  (s12*s124^2*z12*z3) + (4*s1234*s24*s34*z4^3)/(s12*s124^2*z12*z3) + 
 2*((-2*s1234*z1)/s123 + (5*D*s1234*z1)/(4*s123) + 
   (s1234*s13*z1)/(s12*s123) - (D*s1234*s13*z1)/(4*s12*s123) - 
   (2*s1234*s14*z1)/(s12*s123) + (D*s1234*s14*z1)/(4*s12*s123) + 
   (3*s1234*s14*z1)/(s123*s124) - (7*D*s1234*s14*z1)/(4*s123*s124) - 
   (3*s1234*s14*z1)/(s123*s13) + (D*s1234*s14*z1)/(2*s123*s13) - 
   (s12*s1234*s14*z1)/(s123*s124*s13) + (D*s12*s1234*s14*z1)/
    (2*s123*s124*s13) + (2*s1234*s14^2*z1)/(s12*s123*s124) - 
   (D*s1234*s14^2*z1)/(4*s12*s123*s124) - (s1234*s14^2*z1)/(s123*s124*s13) + 
   (D*s1234*s14^2*z1)/(2*s123*s124*s13) - (s12*s1234*z1)/(s123*s23) + 
   (D*s12*s1234*z1)/(2*s123*s23) + (s1234*s13*z1)/(s123*s23) - 
   (D*s1234*s13*z1)/(4*s123*s23) + (2*s12*s1234*s14*z1)/(s123*s124*s23) - 
   (D*s12*s1234*s14*z1)/(s123*s124*s23) + (s1234*s13*s14*z1)/
    (s123*s124*s23) - (D*s1234*s13*s14*z1)/(2*s123*s124*s23) - 
   (4*s1234*s23*z1)/(s12*s123) + (2*D*s1234*s23*z1)/(s12*s123) - 
   (3*s1234*s23*z1)/(s123*s13) + (D*s1234*s23*z1)/(s123*s13) + 
   (2*s1234*s14*s23*z1)/(s12*s123*s124) - (D*s1234*s14*s23*z1)/
    (s12*s123*s124) - (s1234*s14*s23*z1)/(s12*s123*s13) - 
   (D*s1234*s14*s23*z1)/(4*s12*s123*s13) + (2*s1234*s14*s23*z1)/
    (s123*s124*s13) - (D*s1234*s14*s23*z1)/(4*s123*s124*s13) + 
   (3*D*s1234*s14^2*s23*z1)/(4*s12*s123*s124*s13) - 
   (s1234*s23^2*z1)/(s12*s123*s13) + (D*s1234*s23^2*z1)/(4*s12*s123*s13) + 
   (4*s1234*s24*z1)/(s12*s123) + (D*s1234*s24*z1)/(4*s12*s123) + 
   (4*s1234*s24*z1)/(s123*s124) - (D*s1234*s24*z1)/(4*s123*s124) + 
   (2*s1234*s24*z1)/(s123*s13) - (D*s1234*s24*z1)/(2*s123*s13) - 
   (3*s12*s1234*s24*z1)/(s123*s124*s13) + (D*s12*s1234*s24*z1)/
    (s123*s124*s13) + (2*s1234*s13*s24*z1)/(s12*s123*s124) - 
   (2*s1234*s14*s24*z1)/(s12*s123*s124) - (3*s1234*s14*s24*z1)/
    (s12*s123*s13) + (s1234*s14*s24*z1)/(s123*s124*s13) + 
   (D*s1234*s14*s24*z1)/(2*s123*s124*s13) + (3*s1234*s14^2*s24*z1)/
    (s12*s123*s124*s13) + (5*s1234*s24*z1)/(s123*s23) - 
   (D*s1234*s24*z1)/(s123*s23) + (2*s12*s1234*s24*z1)/(s123*s124*s23) - 
   (D*s12*s1234*s24*z1)/(2*s123*s124*s23) + (s1234*s13*s24*z1)/
    (s123*s124*s23) - (D*s1234*s13*s24*z1)/(4*s123*s124*s23) - 
   (s1234*s14*s24*z1)/(s12*s123*s23) - (2*s1234*s14*s24*z1)/(s123*s124*s23) - 
   (D*s1234*s14*s24*z1)/(2*s123*s124*s23) - (D*s1234*s13*s14*s24*z1)/
    (4*s12*s123*s124*s23) + (4*s1234*s23*s24*z1)/(s12*s123*s124) - 
   (D*s1234*s23*s24*z1)/(s12*s123*s124) + (s1234*s23*s24*z1)/(s12*s123*s13) - 
   (D*s1234*s23*s24*z1)/(4*s12*s123*s13) - (s1234*s23*s24*z1)/
    (s123*s124*s13) - (6*s1234*s14*s23*s24*z1)/(s12*s123*s124*s13) + 
   (5*D*s1234*s14*s23*s24*z1)/(4*s12*s123*s124*s13) + 
   (2*s1234*s24^2*z1)/(s12*s123*s124) + (D*s1234*s24^2*z1)/
    (4*s12*s123*s124) + (s1234*s24^2*z1)/(s12*s123*s13) - 
   (s1234*s24^2*z1)/(s123*s124*s13) - (s1234*s14*s24^2*z1)/
    (s12*s123*s124*s13) + (3*s1234*s24^2*z1)/(s12*s123*s23) + 
   (3*s1234*s24^2*z1)/(s123*s124*s23) - (D*s1234*s24^2*z1)/
    (2*s123*s124*s23) + (s1234*s13*s24^2*z1)/(s12*s123*s124*s23) - 
   (D*s1234*s13*s24^2*z1)/(4*s12*s123*s124*s23) - 
   (3*s1234*s14*s24^2*z1)/(s12*s123*s124*s23) - 
   (s1234*s23*s24^2*z1)/(s12*s123*s124*s13) + (D*s1234*s23*s24^2*z1)/
    (2*s12*s123*s124*s13) + (s1234*s24^3*z1)/(s12*s123*s124*s23) - 
   (s1234*s14*z1)/(s123*s34) + (D*s1234*s14*z1)/(2*s123*s34) + 
   (s1234*s13*s14*z1)/(s12*s123*s34) - (D*s1234*s13*s14*z1)/
    (4*s12*s123*s34) - (s1234*s14^2*z1)/(s12*s123*s34) + 
   (D*s1234*s14^2*z1)/(2*s12*s123*s34) - (2*s1234*s14^2*z1)/(s123*s13*s34) + 
   (D*s1234*s14^2*z1)/(s123*s13*s34) - (s1234*s14*s23*z1)/(s12*s123*s34) + 
   (D*s1234*s14*s23*z1)/(2*s12*s123*s34) - (2*s1234*s14*s23*z1)/
    (s123*s13*s34) + (D*s1234*s14*s23*z1)/(2*s123*s13*s34) + 
   (D*s1234*s14^2*s23*z1)/(2*s12*s123*s13*s34) - 
   (D*s1234*s14*s23^2*z1)/(4*s12*s123*s13*s34) + 
   (2*s1234*s24*z1)/(s123*s34) - (D*s1234*s24*z1)/(2*s123*s34) + 
   (s1234*s13*s24*z1)/(s12*s123*s34) - (D*s1234*s13*s24*z1)/
    (2*s12*s123*s34) - (s1234*s14*s24*z1)/(s12*s123*s34) - 
   (4*s1234*s14*s24*z1)/(s123*s13*s34) + (D*s1234*s14*s24*z1)/
    (s123*s13*s34) + (2*s1234*s14^2*s24*z1)/(s12*s123*s13*s34) + 
   (s1234*s13*s24*z1)/(s123*s23*s34) - (D*s1234*s13*s24*z1)/
    (2*s123*s23*s34) - (s1234*s13^2*s24*z1)/(s12*s123*s23*s34) + 
   (D*s1234*s13^2*s24*z1)/(4*s12*s123*s23*s34) + 
   (2*s1234*s14*s24*z1)/(s123*s23*s34) - (D*s1234*s14*s24*z1)/
    (s123*s23*s34) + (s1234*s13*s14*s24*z1)/(s12*s123*s23*s34) - 
   (D*s1234*s13*s14*s24*z1)/(2*s12*s123*s23*s34) + 
   (D*s1234*s23*s24*z1)/(4*s12*s123*s34) - (4*s1234*s14*s23*s24*z1)/
    (s12*s123*s13*s34) + (D*s1234*s14*s23*s24*z1)/(2*s12*s123*s13*s34) + 
   (4*s1234*s24^2*z1)/(s12*s123*s34) - (D*s1234*s24^2*z1)/(2*s12*s123*s34) - 
   (2*s1234*s14*s24^2*z1)/(s12*s123*s13*s34) + 
   (4*s1234*s24^2*z1)/(s123*s23*s34) - (D*s1234*s24^2*z1)/(s123*s23*s34) + 
   (s1234*s13*s24^2*z1)/(s12*s123*s23*s34) - (D*s1234*s13*s24^2*z1)/
    (2*s12*s123*s23*s34) - (2*s1234*s14*s24^2*z1)/(s12*s123*s23*s34) + 
   (2*s1234*s24^3*z1)/(s12*s123*s23*s34) + (s1234*s34*z1)/(s12*s123) + 
   (D*s1234*s34*z1)/(4*s12*s123) - (3*s1234*s34*z1)/(s123*s124) + 
   (D*s1234*s34*z1)/(2*s123*s124) - (6*s12*s1234*s34*z1)/(s123*s124*s13) + 
   (3*D*s12*s1234*s34*z1)/(2*s123*s124*s13) - (2*s1234*s14*s34*z1)/
    (s12*s123*s124) + (D*s1234*s14*s34*z1)/(4*s12*s123*s124) - 
   (4*s1234*s14*s34*z1)/(s123*s124*s13) + (D*s1234*s14*s34*z1)/
    (2*s123*s124*s13) + (2*s1234*s34*z1)/(s123*s23) - 
   (D*s1234*s34*z1)/(2*s123*s23) + (2*s12*s1234*s34*z1)/(s123*s124*s23) - 
   (D*s12*s1234*s34*z1)/(2*s123*s124*s23) + (s1234*s13*s34*z1)/
    (s123*s124*s23) - (D*s1234*s13*s34*z1)/(4*s123*s124*s23) - 
   (s1234*s14*s34*z1)/(s123*s124*s23) - (D*s1234*s23*s34*z1)/
    (4*s12*s123*s13) - (3*s1234*s23*s34*z1)/(s123*s124*s13) + 
   (3*D*s1234*s23*s34*z1)/(4*s123*s124*s13) - (3*s1234*s14*s23*s34*z1)/
    (s12*s123*s124*s13) + (5*D*s1234*s14*s23*s34*z1)/(4*s12*s123*s124*s13) + 
   (s1234*s24*s34*z1)/(s12*s123*s124) - (D*s1234*s24*s34*z1)/
    (4*s12*s123*s124) - (s1234*s24*s34*z1)/(s12*s123*s13) - 
   (s1234*s24*s34*z1)/(s123*s124*s13) - (2*s1234*s14*s24*s34*z1)/
    (s12*s123*s124*s13) + (s1234*s24*s34*z1)/(s12*s123*s23) + 
   (3*s1234*s24*s34*z1)/(s123*s124*s23) - (D*s1234*s24*s34*z1)/
    (2*s123*s124*s23) + (2*s1234*s13*s24*s34*z1)/(s12*s123*s124*s23) - 
   (3*D*s1234*s13*s24*s34*z1)/(4*s12*s123*s124*s23) - 
   (2*s1234*s14*s24*s34*z1)/(s12*s123*s124*s23) - 
   (2*s1234*s23*s24*s34*z1)/(s12*s123*s124*s13) + 
   (D*s1234*s23*s24*s34*z1)/(2*s12*s123*s124*s13) + 
   (s1234*s24^2*s34*z1)/(s12*s123*s124*s13) + (s1234*s24^2*s34*z1)/
    (s12*s123*s124*s23) - (D*s1234*s34^2*z1)/(2*s123*s124*s13) - 
   (s1234*s34^2*z1)/(s123*s124*s23) + (D*s1234*s34^2*z1)/(2*s123*s124*s23) - 
   (s1234*s24*s34^2*z1)/(s12*s123*s124*s13) - (s1234*z1^2)/(s123*z12) + 
   (D*s1234*z1^2)/(4*s123*z12) - (s1234*s13*z1^2)/(s12*s123*z12) + 
   (D*s1234*s13*z1^2)/(4*s12*s123*z12) + (s1234*s14*z1^2)/(s12*s123*z12) - 
   (D*s1234*s14*z1^2)/(4*s12*s123*z12) - (2*s1234*s14*z1^2)/(s123*s124*z12) + 
   (D*s1234*s14*z1^2)/(2*s123*s124*z12) - (s1234*s14*z1^2)/(s123*s13*z12) + 
   (s12*s1234*s14*z1^2)/(s123*s124*s13*z12) - (2*s1234*s14^2*z1^2)/
    (s12*s123*s124*z12) + (D*s1234*s14^2*z1^2)/(2*s12*s123*s124*z12) + 
   (s1234*s14^2*z1^2)/(s123*s124*s13*z12) - (s1234*s23*z1^2)/(s12*s123*z12) - 
   (D*s1234*s23*z1^2)/(4*s123*s13*z12) - (s1234*s14*s23*z1^2)/
    (s12*s123*s13*z12) + (D*s1234*s14*s23*z1^2)/(4*s12*s123*s13*z12) - 
   (D*s1234*s14*s23*z1^2)/(2*s123*s124*s13*z12) - 
   (D*s1234*s14^2*s23*z1^2)/(2*s12*s123*s124*s13*z12) - 
   (D*s1234*s23^2*z1^2)/(4*s12*s123*s13*z12) + 
   (2*s1234*s24*z1^2)/(s12*s123*z12) - (D*s1234*s24*z1^2)/(4*s12*s123*z12) + 
   (s1234*s24*z1^2)/(s123*s124*z12) + (D*s1234*s24*z1^2)/(2*s123*s124*z12) + 
   (2*s1234*s24*z1^2)/(s123*s13*z12) - (s1234*s14*s24*z1^2)/
    (s12*s123*s124*z12) + (D*s1234*s14*s24*z1^2)/(s12*s123*s124*z12) + 
   (3*s1234*s14*s24*z1^2)/(s12*s123*s13*z12) - (s1234*s14*s24*z1^2)/
    (s123*s124*s13*z12) - (2*s1234*s14^2*s24*z1^2)/(s12*s123*s124*s13*z12) + 
   (s12*s1234*s24*z1^2)/(s123*s124*s23*z12) + (s1234*s13*s24*z1^2)/
    (s123*s124*s23*z12) + (s1234*s14*s24*z1^2)/(s12*s123*s23*z12) + 
   (s1234*s14*s24*z1^2)/(s123*s124*s23*z12) + (s1234*s13*s14*s24*z1^2)/
    (s12*s123*s124*s23*z12) + (D*s1234*s23*s24*z1^2)/(4*s12*s123*s13*z12) + 
   (2*s1234*s23*s24*z1^2)/(s123*s124*s13*z12) - (D*s1234*s23*s24*z1^2)/
    (2*s123*s124*s13*z12) + (2*s1234*s14*s23*s24*z1^2)/
    (s12*s123*s124*s13*z12) - (D*s1234*s14*s23*s24*z1^2)/
    (s12*s123*s124*s13*z12) + (s1234*s24^2*z1^2)/(s12*s123*s124*z12) + 
   (D*s1234*s24^2*z1^2)/(2*s12*s123*s124*z12) + 
   (2*s1234*s24^2*z1^2)/(s12*s123*s13*z12) - (2*s1234*s14*s24^2*z1^2)/
    (s12*s123*s124*s13*z12) + (3*s1234*s24^2*z1^2)/(s123*s124*s23*z12) + 
   (s1234*s13*s24^2*z1^2)/(s12*s123*s124*s23*z12) + 
   (2*s1234*s14*s24^2*z1^2)/(s12*s123*s124*s23*z12) + 
   (2*s1234*s23*s24^2*z1^2)/(s12*s123*s124*s13*z12) - 
   (D*s1234*s23*s24^2*z1^2)/(2*s12*s123*s124*s13*z12) + 
   (2*s1234*s24^3*z1^2)/(s12*s123*s124*s23*z12) - 
   (s1234*s14*s23*z1^2)/(s12*s123*s34*z12) - (s1234*s14*s23*z1^2)/
    (s123*s13*s34*z12) - (s1234*s14^2*s23*z1^2)/(s12*s123*s13*s34*z12) - 
   (s1234*s14*s23^2*z1^2)/(s12*s123*s13*s34*z12) + 
   (s1234*s24*z1^2)/(s123*s34*z12) + (s1234*s13*s24*z1^2)/
    (s12*s123*s34*z12) - (s1234*s14*s24*z1^2)/(s123*s13*s34*z12) - 
   (s1234*s14^2*s24*z1^2)/(s12*s123*s13*s34*z12) + 
   (s1234*s23*s24*z1^2)/(s12*s123*s34*z12) - (2*s1234*s14*s23*s24*z1^2)/
    (s12*s123*s13*s34*z12) + (2*s1234*s24^2*z1^2)/(s12*s123*s34*z12) - 
   (s1234*s14*s24^2*z1^2)/(s12*s123*s13*s34*z12) + 
   (s1234*s24^2*z1^2)/(s123*s23*s34*z12) + (s1234*s13*s24^2*z1^2)/
    (s12*s123*s23*s34*z12) + (s1234*s14*s24^2*z1^2)/(s12*s123*s23*s34*z12) + 
   (s1234*s24^3*z1^2)/(s12*s123*s23*s34*z12) - 
   (D*s1234*s34*z1^2)/(4*s12*s123*z12) - (s1234*s34*z1^2)/(s123*s124*z12) + 
   (D*s1234*s34*z1^2)/(2*s123*s124*z12) - (s1234*s34*z1^2)/(s123*s13*z12) + 
   (s12*s1234*s34*z1^2)/(s123*s124*s13*z12) - (s1234*s14*s34*z1^2)/
    (s12*s123*s124*z12) + (D*s1234*s14*s34*z1^2)/(2*s12*s123*s124*z12) + 
   (s1234*s14*s34*z1^2)/(s123*s124*s13*z12) + (D*s1234*s23*s34*z1^2)/
    (4*s12*s123*s13*z12) - (D*s1234*s23*s34*z1^2)/(2*s123*s124*s13*z12) - 
   (D*s1234*s14*s23*s34*z1^2)/(2*s12*s123*s124*s13*z12) - 
   (s1234*s24*s34*z1^2)/(s12*s123*s124*z12) + (D*s1234*s24*s34*z1^2)/
    (2*s12*s123*s124*z12) + (3*s1234*s24*s34*z1^2)/(s123*s124*s13*z12) + 
   (2*s1234*s14*s24*s34*z1^2)/(s12*s123*s124*s13*z12) - 
   (s1234*s24*s34*z1^2)/(s12*s123*s23*z12) + (2*s1234*s24*s34*z1^2)/
    (s123*s124*s23*z12) + (2*s1234*s14*s24*s34*z1^2)/
    (s12*s123*s124*s23*z12) - (D*s1234*s23*s24*s34*z1^2)/
    (2*s12*s123*s124*s13*z12) + (2*s1234*s24^2*s34*z1^2)/
    (s12*s123*s124*s13*z12) + (2*s1234*s24^2*s34*z1^2)/
    (s12*s123*s124*s23*z12) - (s1234*z1^2)/(s123*z123) + 
   (D*s1234*z1^2)/(4*s123*z123) - (s1234*s13*z1^2)/(s12*s123*z123) + 
   (D*s1234*s13*z1^2)/(4*s12*s123*z123) - (s1234*s14*z1^2)/(s12*s123*z123) + 
   (D*s1234*s14*z1^2)/(4*s12*s123*z123) - (s1234*s23*z1^2)/(s12*s123*z123) + 
   (D*s1234*s23*z1^2)/(2*s12*s123*z123) + (D*s1234*s23*z1^2)/
    (4*s123*s13*z123) + (D*s1234*s14*s23*z1^2)/(4*s12*s123*s13*z123) + 
   (D*s1234*s23^2*z1^2)/(4*s12*s123*s13*z123) + 
   (s1234*s24*z1^2)/(s12*s123*z123) + (D*s1234*s24*z1^2)/(4*s12*s123*z123) + 
   (s1234*s24*z1^2)/(s123*s124*z123) + (2*s1234*s24*z1^2)/(s123*s13*z123) - 
   (s12*s1234*s24*z1^2)/(s123*s124*s13*z123) + (s1234*s14*s24*z1^2)/
    (s12*s123*s13*z123) - (2*s1234*s14*s24*z1^2)/(s123*s124*s13*z123) - 
   (s1234*s14^2*s24*z1^2)/(s12*s123*s124*s13*z123) + 
   (s12*s1234*s24*z1^2)/(s123*s124*s23*z123) - (s1234*s13^2*s24*z1^2)/
    (s12*s123*s124*s23*z123) + (s1234*s14*s24*z1^2)/(s123*s124*s23*z123) - 
   (s1234*s13*s14*s24*z1^2)/(s12*s123*s124*s23*z123) + 
   (s1234*s23*s24*z1^2)/(s12*s123*s124*z123) + (2*s1234*s23*s24*z1^2)/
    (s12*s123*s13*z123) + (D*s1234*s23*s24*z1^2)/(4*s12*s123*s13*z123) - 
   (s1234*s23*s24*z1^2)/(s123*s124*s13*z123) - (s1234*s14*s23*s24*z1^2)/
    (s12*s123*s124*s13*z123) + (2*s1234*s24^2*z1^2)/(s12*s123*s124*z123) + 
   (2*s1234*s24^2*z1^2)/(s12*s123*s13*z123) - (s1234*s24^2*z1^2)/
    (s123*s124*s13*z123) - (s1234*s14*s24^2*z1^2)/(s12*s123*s124*s13*z123) + 
   (s1234*s24^2*z1^2)/(s12*s123*s23*z123) + (2*s1234*s24^2*z1^2)/
    (s123*s124*s23*z123) + (s1234*s14*s24^2*z1^2)/(s12*s123*s124*s23*z123) + 
   (s1234*s24^3*z1^2)/(s12*s123*s124*s23*z123) - 
   (s1234*s14*s24*z1^2)/(s12*s123*s34*z123) - (s1234*s14*s24*z1^2)/
    (s123*s13*s34*z123) - (s1234*s14^2*s24*z1^2)/(s12*s123*s13*s34*z123) - 
   (s1234*s14*s23*s24*z1^2)/(s12*s123*s13*s34*z123) + 
   (s1234*s24^2*z1^2)/(s12*s123*s34*z123) - (s1234*s14*s24^2*z1^2)/
    (s12*s123*s13*s34*z123) + (s1234*s24^2*z1^2)/(s123*s23*s34*z123) + 
   (s1234*s13*s24^2*z1^2)/(s12*s123*s23*s34*z123) + 
   (s1234*s14*s24^2*z1^2)/(s12*s123*s23*s34*z123) + 
   (s1234*s24^3*z1^2)/(s12*s123*s23*s34*z123) - 
   (s1234*s34*z1^2)/(s12*s123*z123) + (D*s1234*s34*z1^2)/(4*s12*s123*z123) + 
   (2*s1234*s34*z1^2)/(s123*s124*z123) - (D*s1234*s34*z1^2)/
    (4*s123*s124*z123) + (s1234*s13*s34*z1^2)/(s12*s123*s124*z123) - 
   (D*s1234*s13*s34*z1^2)/(4*s12*s123*s124*z123) + 
   (s1234*s14*s34*z1^2)/(s12*s123*s124*z123) - (D*s1234*s14*s34*z1^2)/
    (4*s12*s123*s124*z123) + (s12*s1234*s34*z1^2)/(s123*s124*s23*z123) + 
   (s1234*s13*s34*z1^2)/(s123*s124*s23*z123) + (s1234*s14*s34*z1^2)/
    (s123*s124*s23*z123) + (2*s1234*s23*s34*z1^2)/(s12*s123*s124*z123) - 
   (D*s1234*s23*s34*z1^2)/(2*s12*s123*s124*z123) + 
   (D*s1234*s23*s34*z1^2)/(4*s12*s123*s13*z123) + 
   (s1234*s23*s34*z1^2)/(s123*s124*s13*z123) - (D*s1234*s23*s34*z1^2)/
    (4*s123*s124*s13*z123) + (s1234*s14*s23*s34*z1^2)/
    (s12*s123*s124*s13*z123) - (D*s1234*s14*s23*s34*z1^2)/
    (4*s12*s123*s124*s13*z123) + (s1234*s23^2*s34*z1^2)/
    (s12*s123*s124*s13*z123) - (D*s1234*s23^2*s34*z1^2)/
    (4*s12*s123*s124*s13*z123) + (4*s1234*s24*s34*z1^2)/
    (s12*s123*s124*z123) - (D*s1234*s24*s34*z1^2)/(4*s12*s123*s124*z123) + 
   (2*s1234*s24*s34*z1^2)/(s12*s123*s13*z123) + 
   (s1234*s24*s34*z1^2)/(s123*s124*s13*z123) + (s1234*s14*s24*s34*z1^2)/
    (s12*s123*s124*s13*z123) + (2*s1234*s24*s34*z1^2)/(s123*s124*s23*z123) - 
   (s1234*s13*s24*s34*z1^2)/(s12*s123*s124*s23*z123) + 
   (3*s1234*s23*s24*s34*z1^2)/(s12*s123*s124*s13*z123) - 
   (D*s1234*s23*s24*s34*z1^2)/(4*s12*s123*s124*s13*z123) + 
   (2*s1234*s24^2*s34*z1^2)/(s12*s123*s124*s13*z123) + 
   (s1234*s24^2*s34*z1^2)/(s12*s123*s124*s23*z123) + 
   (s1234*s34^2*z1^2)/(s12*s123*s124*z123) - (D*s1234*s34^2*z1^2)/
    (4*s12*s123*s124*z123) + (s1234*s34^2*z1^2)/(s123*s124*s23*z123) + 
   (s1234*s23*s34^2*z1^2)/(s12*s123*s124*s13*z123) - 
   (D*s1234*s23*s34^2*z1^2)/(4*s12*s123*s124*s13*z123) + 
   (2*s1234*s24*s34^2*z1^2)/(s12*s123*s124*s13*z123) + (2*s1234*z2)/s123 - 
   (5*D*s1234*z2)/(4*s123) + (s12*s1234*z2)/(s123*s13) - 
   (D*s12*s1234*z2)/(2*s123*s13) + (4*s1234*s13*z2)/(s12*s123) - 
   (2*D*s1234*s13*z2)/(s12*s123) - (4*s1234*s14*z2)/(s12*s123) - 
   (D*s1234*s14*z2)/(4*s12*s123) - (4*s1234*s14*z2)/(s123*s124) + 
   (D*s1234*s14*z2)/(4*s123*s124) - (5*s1234*s14*z2)/(s123*s13) + 
   (D*s1234*s14*z2)/(s123*s13) - (2*s12*s1234*s14*z2)/(s123*s124*s13) + 
   (D*s12*s1234*s14*z2)/(2*s123*s124*s13) - (4*s1234*s13*s14*z2)/
    (s12*s123*s124) + (D*s1234*s13*s14*z2)/(s12*s123*s124) - 
   (2*s1234*s14^2*z2)/(s12*s123*s124) - (D*s1234*s14^2*z2)/
    (4*s12*s123*s124) - (3*s1234*s14^2*z2)/(s12*s123*s13) - 
   (3*s1234*s14^2*z2)/(s123*s124*s13) + (D*s1234*s14^2*z2)/
    (2*s123*s124*s13) - (s1234*s14^3*z2)/(s12*s123*s124*s13) + 
   (3*s1234*s13*z2)/(s123*s23) - (D*s1234*s13*z2)/(s123*s23) + 
   (s1234*s13^2*z2)/(s12*s123*s23) - (D*s1234*s13^2*z2)/(4*s12*s123*s23) - 
   (2*s1234*s14*z2)/(s123*s23) + (D*s1234*s14*z2)/(2*s123*s23) + 
   (3*s12*s1234*s14*z2)/(s123*s124*s23) - (D*s12*s1234*s14*z2)/
    (s123*s124*s23) - (s1234*s13*s14*z2)/(s12*s123*s23) + 
   (D*s1234*s13*s14*z2)/(4*s12*s123*s23) + (s1234*s13*s14*z2)/
    (s123*s124*s23) - (s1234*s14^2*z2)/(s12*s123*s23) + 
   (s1234*s14^2*z2)/(s123*s124*s23) + (s1234*s13*s14^2*z2)/
    (s12*s123*s124*s23) - (D*s1234*s13*s14^2*z2)/(2*s12*s123*s124*s23) - 
   (s1234*s23*z2)/(s12*s123) + (D*s1234*s23*z2)/(4*s12*s123) - 
   (s1234*s23*z2)/(s123*s13) + (D*s1234*s23*z2)/(4*s123*s13) - 
   (2*s1234*s14*s23*z2)/(s12*s123*s124) - (s1234*s14*s23*z2)/
    (s123*s124*s13) + (D*s1234*s14*s23*z2)/(4*s123*s124*s13) - 
   (s1234*s14^2*s23*z2)/(s12*s123*s124*s13) + (D*s1234*s14^2*s23*z2)/
    (4*s12*s123*s124*s13) + (2*s1234*s24*z2)/(s12*s123) - 
   (D*s1234*s24*z2)/(4*s12*s123) - (3*s1234*s24*z2)/(s123*s124) + 
   (7*D*s1234*s24*z2)/(4*s123*s124) - (2*s12*s1234*s24*z2)/(s123*s124*s13) + 
   (D*s12*s1234*s24*z2)/(s123*s124*s13) - (2*s1234*s13*s24*z2)/
    (s12*s123*s124) + (D*s1234*s13*s24*z2)/(s12*s123*s124) + 
   (2*s1234*s14*s24*z2)/(s12*s123*s124) + (s1234*s14*s24*z2)/(s12*s123*s13) + 
   (2*s1234*s14*s24*z2)/(s123*s124*s13) + (D*s1234*s14*s24*z2)/
    (2*s123*s124*s13) + (3*s1234*s14^2*s24*z2)/(s12*s123*s124*s13) + 
   (3*s1234*s24*z2)/(s123*s23) - (D*s1234*s24*z2)/(2*s123*s23) + 
   (s12*s1234*s24*z2)/(s123*s124*s23) - (D*s12*s1234*s24*z2)/
    (2*s123*s124*s23) + (s1234*s13*s24*z2)/(s12*s123*s23) + 
   (D*s1234*s13*s24*z2)/(4*s12*s123*s23) - (2*s1234*s13*s24*z2)/
    (s123*s124*s23) + (D*s1234*s13*s24*z2)/(4*s123*s124*s23) + 
   (3*s1234*s14*s24*z2)/(s12*s123*s23) - (s1234*s14*s24*z2)/(s123*s124*s23) - 
   (D*s1234*s14*s24*z2)/(2*s123*s124*s23) + (6*s1234*s13*s14*s24*z2)/
    (s12*s123*s124*s23) - (5*D*s1234*s13*s14*s24*z2)/(4*s12*s123*s124*s23) + 
   (s1234*s14^2*s24*z2)/(s12*s123*s124*s23) - (s1234*s23*s24*z2)/
    (s123*s124*s13) + (D*s1234*s23*s24*z2)/(2*s123*s124*s13) + 
   (D*s1234*s14*s23*s24*z2)/(4*s12*s123*s124*s13) - 
   (2*s1234*s24^2*z2)/(s12*s123*s124) + (D*s1234*s24^2*z2)/
    (4*s12*s123*s124) + (s1234*s24^2*z2)/(s123*s124*s23) - 
   (D*s1234*s24^2*z2)/(2*s123*s124*s23) - (3*D*s1234*s13*s24^2*z2)/
    (4*s12*s123*s124*s23) - (3*s1234*s14*s24^2*z2)/(s12*s123*s124*s23) - 
   (2*s1234*s14*z2)/(s123*s34) + (D*s1234*s14*z2)/(2*s123*s34) - 
   (D*s1234*s13*s14*z2)/(4*s12*s123*s34) - (4*s1234*s14^2*z2)/
    (s12*s123*s34) + (D*s1234*s14^2*z2)/(2*s12*s123*s34) - 
   (4*s1234*s14^2*z2)/(s123*s13*s34) + (D*s1234*s14^2*z2)/(s123*s13*s34) - 
   (2*s1234*s14^3*z2)/(s12*s123*s13*s34) - (s1234*s14*s23*z2)/
    (s12*s123*s34) + (D*s1234*s14*s23*z2)/(2*s12*s123*s34) - 
   (s1234*s14*s23*z2)/(s123*s13*s34) + (D*s1234*s14*s23*z2)/
    (2*s123*s13*s34) - (s1234*s14^2*s23*z2)/(s12*s123*s13*s34) + 
   (D*s1234*s14^2*s23*z2)/(2*s12*s123*s13*s34) + 
   (s1234*s14*s23^2*z2)/(s12*s123*s13*s34) - (D*s1234*s14*s23^2*z2)/
    (4*s12*s123*s13*s34) + (s1234*s24*z2)/(s123*s34) - 
   (D*s1234*s24*z2)/(2*s123*s34) + (s1234*s13*s24*z2)/(s12*s123*s34) - 
   (D*s1234*s13*s24*z2)/(2*s12*s123*s34) + (s1234*s14*s24*z2)/
    (s12*s123*s34) - (2*s1234*s14*s24*z2)/(s123*s13*s34) + 
   (D*s1234*s14*s24*z2)/(s123*s13*s34) + (2*s1234*s14^2*s24*z2)/
    (s12*s123*s13*s34) + (2*s1234*s13*s24*z2)/(s123*s23*s34) - 
   (D*s1234*s13*s24*z2)/(2*s123*s23*s34) + (D*s1234*s13^2*s24*z2)/
    (4*s12*s123*s23*s34) + (4*s1234*s14*s24*z2)/(s123*s23*s34) - 
   (D*s1234*s14*s24*z2)/(s123*s23*s34) + (4*s1234*s13*s14*s24*z2)/
    (s12*s123*s23*s34) - (D*s1234*s13*s14*s24*z2)/(2*s12*s123*s23*s34) + 
   (2*s1234*s14^2*s24*z2)/(s12*s123*s23*s34) - 
   (s1234*s23*s24*z2)/(s12*s123*s34) + (D*s1234*s23*s24*z2)/
    (4*s12*s123*s34) - (s1234*s14*s23*s24*z2)/(s12*s123*s13*s34) + 
   (D*s1234*s14*s23*s24*z2)/(2*s12*s123*s13*s34) + 
   (s1234*s24^2*z2)/(s12*s123*s34) - (D*s1234*s24^2*z2)/(2*s12*s123*s34) + 
   (2*s1234*s24^2*z2)/(s123*s23*s34) - (D*s1234*s24^2*z2)/(s123*s23*s34) - 
   (D*s1234*s13*s24^2*z2)/(2*s12*s123*s23*s34) - 
   (2*s1234*s14*s24^2*z2)/(s12*s123*s23*s34) - (s1234*s34*z2)/(s12*s123) - 
   (D*s1234*s34*z2)/(4*s12*s123) + (3*s1234*s34*z2)/(s123*s124) - 
   (D*s1234*s34*z2)/(2*s123*s124) - (2*s1234*s34*z2)/(s123*s13) + 
   (D*s1234*s34*z2)/(2*s123*s13) - (2*s12*s1234*s34*z2)/(s123*s124*s13) + 
   (D*s12*s1234*s34*z2)/(2*s123*s124*s13) - (s1234*s14*s34*z2)/
    (s12*s123*s124) + (D*s1234*s14*s34*z2)/(4*s12*s123*s124) - 
   (s1234*s14*s34*z2)/(s12*s123*s13) - (3*s1234*s14*s34*z2)/(s123*s124*s13) + 
   (D*s1234*s14*s34*z2)/(2*s123*s124*s13) - (s1234*s14^2*s34*z2)/
    (s12*s123*s124*s13) + (6*s12*s1234*s34*z2)/(s123*s124*s23) - 
   (3*D*s12*s1234*s34*z2)/(2*s123*s124*s23) + (D*s1234*s13*s34*z2)/
    (4*s12*s123*s23) + (3*s1234*s13*s34*z2)/(s123*s124*s23) - 
   (3*D*s1234*s13*s34*z2)/(4*s123*s124*s23) + (s1234*s14*s34*z2)/
    (s12*s123*s23) + (s1234*s14*s34*z2)/(s123*s124*s23) + 
   (2*s1234*s13*s14*s34*z2)/(s12*s123*s124*s23) - 
   (D*s1234*s13*s14*s34*z2)/(2*s12*s123*s124*s23) - 
   (s1234*s14^2*s34*z2)/(s12*s123*s124*s23) - (s1234*s23*s34*z2)/
    (s123*s124*s13) + (D*s1234*s23*s34*z2)/(4*s123*s124*s13) - 
   (2*s1234*s14*s23*s34*z2)/(s12*s123*s124*s13) + 
   (3*D*s1234*s14*s23*s34*z2)/(4*s12*s123*s124*s13) + 
   (2*s1234*s24*s34*z2)/(s12*s123*s124) - (D*s1234*s24*s34*z2)/
    (4*s12*s123*s124) + (s1234*s24*s34*z2)/(s123*s124*s13) + 
   (2*s1234*s14*s24*s34*z2)/(s12*s123*s124*s13) + 
   (4*s1234*s24*s34*z2)/(s123*s124*s23) - (D*s1234*s24*s34*z2)/
    (2*s123*s124*s23) + (3*s1234*s13*s24*s34*z2)/(s12*s123*s124*s23) - 
   (5*D*s1234*s13*s24*s34*z2)/(4*s12*s123*s124*s23) + 
   (2*s1234*s14*s24*s34*z2)/(s12*s123*s124*s23) + 
   (s1234*s34^2*z2)/(s123*s124*s13) - (D*s1234*s34^2*z2)/(2*s123*s124*s13) + 
   (D*s1234*s34^2*z2)/(2*s123*s124*s23) + (s1234*s14*s34^2*z2)/
    (s12*s123*s124*s23) - (s12*s1234*z1*z2)/(s123*s13*z12) - 
   (s1234*s13*z1*z2)/(s12*s123*z12) + (D*s1234*s13*z1*z2)/(4*s12*s123*z12) + 
   (3*s1234*s14*z1*z2)/(s12*s123*z12) + (s1234*s14*z1*z2)/(s123*s124*z12) - 
   (s1234*s14*z1*z2)/(s123*s13*z12) + (2*s12*s1234*s14*z1*z2)/
    (s123*s124*s13*z12) + (s1234*s14^2*z1*z2)/(s12*s123*s124*z12) + 
   (3*s1234*s14^2*z1*z2)/(s12*s123*s13*z12) + (2*s1234*s14^2*z1*z2)/
    (s123*s124*s13*z12) + (s12*s1234*z1*z2)/(s123*s23*z12) + 
   (D*s1234*s13*z1*z2)/(4*s123*s23*z12) - (s1234*s13^2*z1*z2)/
    (s12*s123*s23*z12) + (D*s1234*s13^2*z1*z2)/(4*s12*s123*s23*z12) + 
   (2*s1234*s14*z1*z2)/(s123*s23*z12) + (2*s1234*s13*s14*z1*z2)/
    (s12*s123*s23*z12) - (D*s1234*s13*s14*z1*z2)/(4*s12*s123*s23*z12) - 
   (2*s1234*s13*s14*z1*z2)/(s123*s124*s23*z12) + 
   (D*s1234*s13*s14*z1*z2)/(2*s123*s124*s23*z12) + 
   (s1234*s14^2*z1*z2)/(s12*s123*s23*z12) - (2*s1234*s13*s14^2*z1*z2)/
    (s12*s123*s124*s23*z12) + (D*s1234*s13*s14^2*z1*z2)/
    (2*s12*s123*s124*s23*z12) + (s1234*s23*z1*z2)/(s12*s123*z12) - 
   (D*s1234*s23*z1*z2)/(4*s12*s123*z12) - (D*s1234*s23*z1*z2)/
    (4*s123*s13*z12) + (s1234*s14*s23*z1*z2)/(s12*s123*s13*z12) + 
   (D*s1234*s14*s23*z1*z2)/(4*s12*s123*s13*z12) + 
   (3*s1234*s14*s23*z1*z2)/(s123*s124*s13*z12) - 
   (D*s1234*s14*s23*z1*z2)/(2*s123*s124*s13*z12) + 
   (3*s1234*s14^2*s23*z1*z2)/(s12*s123*s124*s13*z12) - 
   (D*s1234*s14^2*s23*z1*z2)/(2*s12*s123*s124*s13*z12) + 
   (s1234*s23^2*z1*z2)/(s12*s123*s13*z12) - (D*s1234*s23^2*z1*z2)/
    (4*s12*s123*s13*z12) - (3*s1234*s24*z1*z2)/(s12*s123*z12) - 
   (s1234*s24*z1*z2)/(s123*s124*z12) - (2*s1234*s24*z1*z2)/(s123*s13*z12) + 
   (2*s1234*s14*s24*z1*z2)/(s12*s123*s13*z12) + (2*s1234*s14*s24*z1*z2)/
    (s123*s124*s13*z12) + (s1234*s24*z1*z2)/(s123*s23*z12) - 
   (2*s12*s1234*s24*z1*z2)/(s123*s124*s23*z12) - 
   (s1234*s13*s24*z1*z2)/(s12*s123*s23*z12) - (D*s1234*s13*s24*z1*z2)/
    (4*s12*s123*s23*z12) - (3*s1234*s13*s24*z1*z2)/(s123*s124*s23*z12) + 
   (D*s1234*s13*s24*z1*z2)/(2*s123*s124*s23*z12) - 
   (2*s1234*s14*s24*z1*z2)/(s12*s123*s23*z12) - (2*s1234*s14*s24*z1*z2)/
    (s123*s124*s23*z12) - (5*s1234*s13*s14*s24*z1*z2)/
    (s12*s123*s124*s23*z12) + (D*s1234*s13*s14*s24*z1*z2)/
    (s12*s123*s124*s23*z12) - (2*s1234*s23*s24*z1*z2)/(s12*s123*s13*z12) + 
   (D*s1234*s23*s24*z1*z2)/(4*s12*s123*s13*z12) + 
   (2*s1234*s23*s24*z1*z2)/(s123*s124*s13*z12) - 
   (D*s1234*s23*s24*z1*z2)/(2*s123*s124*s13*z12) + 
   (5*s1234*s14*s23*s24*z1*z2)/(s12*s123*s124*s13*z12) - 
   (D*s1234*s14*s23*s24*z1*z2)/(s12*s123*s124*s13*z12) - 
   (s1234*s24^2*z1*z2)/(s12*s123*s124*z12) - (s1234*s24^2*z1*z2)/
    (s12*s123*s13*z12) - (3*s1234*s24^2*z1*z2)/(s12*s123*s23*z12) - 
   (2*s1234*s24^2*z1*z2)/(s123*s124*s23*z12) - (3*s1234*s13*s24^2*z1*z2)/
    (s12*s123*s124*s23*z12) + (D*s1234*s13*s24^2*z1*z2)/
    (2*s12*s123*s124*s23*z12) + (2*s1234*s23*s24^2*z1*z2)/
    (s12*s123*s124*s13*z12) - (D*s1234*s23*s24^2*z1*z2)/
    (2*s12*s123*s124*s13*z12) + (s1234*s14*z1*z2)/(s123*s34*z12) + 
   (s1234*s13*s14*z1*z2)/(s12*s123*s34*z12) + (2*s1234*s14^2*z1*z2)/
    (s12*s123*s34*z12) + (s1234*s14^2*z1*z2)/(s123*s13*s34*z12) + 
   (s1234*s14^3*z1*z2)/(s12*s123*s13*s34*z12) + (2*s1234*s14*s23*z1*z2)/
    (s12*s123*s34*z12) + (s1234*s14*s23*z1*z2)/(s123*s13*s34*z12) + 
   (2*s1234*s14^2*s23*z1*z2)/(s12*s123*s13*s34*z12) + 
   (s1234*s14*s23^2*z1*z2)/(s12*s123*s13*s34*z12) - 
   (s1234*s24*z1*z2)/(s123*s34*z12) - (2*s1234*s13*s24*z1*z2)/
    (s12*s123*s34*z12) + (s1234*s14*s24*z1*z2)/(s123*s13*s34*z12) + 
   (2*s1234*s14^2*s24*z1*z2)/(s12*s123*s13*s34*z12) - 
   (s1234*s13*s24*z1*z2)/(s123*s23*s34*z12) - (s1234*s13^2*s24*z1*z2)/
    (s12*s123*s23*s34*z12) - (s1234*s14*s24*z1*z2)/(s123*s23*s34*z12) - 
   (2*s1234*s13*s14*s24*z1*z2)/(s12*s123*s23*s34*z12) - 
   (s1234*s14^2*s24*z1*z2)/(s12*s123*s23*s34*z12) - 
   (s1234*s23*s24*z1*z2)/(s12*s123*s34*z12) + (2*s1234*s14*s23*s24*z1*z2)/
    (s12*s123*s13*s34*z12) - (2*s1234*s24^2*z1*z2)/(s12*s123*s34*z12) + 
   (s1234*s14*s24^2*z1*z2)/(s12*s123*s13*s34*z12) - 
   (s1234*s24^2*z1*z2)/(s123*s23*s34*z12) - (2*s1234*s13*s24^2*z1*z2)/
    (s12*s123*s23*s34*z12) - (2*s1234*s14*s24^2*z1*z2)/
    (s12*s123*s23*s34*z12) - (s1234*s24^3*z1*z2)/(s12*s123*s23*s34*z12) + 
   (2*s1234*s14*s34*z1*z2)/(s12*s123*s13*z12) + (s1234*s14*s34*z1*z2)/
    (s123*s124*s13*z12) + (s1234*s14^2*s34*z1*z2)/(s12*s123*s124*s13*z12) - 
   (s1234*s13*s34*z1*z2)/(s12*s123*s23*z12) - (D*s1234*s13*s34*z1*z2)/
    (4*s12*s123*s23*z12) - (s1234*s13*s34*z1*z2)/(s123*s124*s23*z12) + 
   (D*s1234*s13*s34*z1*z2)/(2*s123*s124*s23*z12) - 
   (s1234*s14*s34*z1*z2)/(s12*s123*s23*z12) + (s1234*s14*s34*z1*z2)/
    (s123*s124*s23*z12) - (s1234*s13*s14*s34*z1*z2)/(s12*s123*s124*s23*z12) + 
   (D*s1234*s13*s14*s34*z1*z2)/(2*s12*s123*s124*s23*z12) + 
   (s1234*s14^2*s34*z1*z2)/(s12*s123*s124*s23*z12) + 
   (s1234*s23*s34*z1*z2)/(s12*s123*s13*z12) + (D*s1234*s23*s34*z1*z2)/
    (4*s12*s123*s13*z12) + (s1234*s23*s34*z1*z2)/(s123*s124*s13*z12) - 
   (D*s1234*s23*s34*z1*z2)/(2*s123*s124*s13*z12) + 
   (s1234*s14*s23*s34*z1*z2)/(s12*s123*s124*s13*z12) - 
   (D*s1234*s14*s23*s34*z1*z2)/(2*s12*s123*s124*s13*z12) + 
   (s1234*s24*s34*z1*z2)/(s12*s123*s13*z12) - (s1234*s24*s34*z1*z2)/
    (s123*s124*s13*z12) - (2*s1234*s24*s34*z1*z2)/(s12*s123*s23*z12) - 
   (s1234*s24*s34*z1*z2)/(s123*s124*s23*z12) - (s1234*s13*s24*s34*z1*z2)/
    (s12*s123*s124*s23*z12) + (D*s1234*s13*s24*s34*z1*z2)/
    (2*s12*s123*s124*s23*z12) + (s1234*s23*s24*s34*z1*z2)/
    (s12*s123*s124*s13*z12) - (D*s1234*s23*s24*s34*z1*z2)/
    (2*s12*s123*s124*s13*z12) - (s1234*s24^2*s34*z1*z2)/
    (s12*s123*s124*s13*z12) - (s1234*s24^2*s34*z1*z2)/
    (s12*s123*s124*s23*z12) + (s1234*s34^2*z1*z2)/(s123*s124*s13*z12) + 
   (s1234*s14*s34^2*z1*z2)/(s12*s123*s124*s13*z12) - 
   (s1234*s34^2*z1*z2)/(s123*s124*s23*z12) - (s1234*s14*s34^2*z1*z2)/
    (s12*s123*s124*s23*z12) + (s1234*s24*s34^2*z1*z2)/
    (s12*s123*s124*s13*z12) - (s1234*s24*s34^2*z1*z2)/
    (s12*s123*s124*s23*z12) - (s12*s1234*z1*z2)/(s123*s13*z123) + 
   (s1234*s13*z1*z2)/(s12*s123*z123) - (D*s1234*s13*z1*z2)/
    (4*s12*s123*z123) + (2*s1234*s14*z1*z2)/(s12*s123*z123) - 
   (3*s1234*s14*z1*z2)/(s123*s124*z123) + (s1234*s14*z1*z2)/(s123*s13*z123) - 
   (s12*s1234*s14*z1*z2)/(s123*s124*s13*z123) - (2*s1234*s14^2*z1*z2)/
    (s12*s123*s124*z123) + (3*s1234*s14^2*z1*z2)/(s12*s123*s13*z123) - 
   (2*s1234*s14^2*z1*z2)/(s123*s124*s13*z123) - 
   (s1234*s14^3*z1*z2)/(s12*s123*s124*s13*z123) + 
   (s12*s1234*z1*z2)/(s123*s23*z123) + (2*s1234*s13*z1*z2)/(s123*s23*z123) - 
   (D*s1234*s13*z1*z2)/(4*s123*s23*z123) + (s1234*s13^2*z1*z2)/
    (s12*s123*s23*z123) - (D*s1234*s13^2*z1*z2)/(4*s12*s123*s23*z123) + 
   (s1234*s14*z1*z2)/(s123*s23*z123) - (s12*s1234*s14*z1*z2)/
    (s123*s124*s23*z123) + (s1234*s13*s14*z1*z2)/(s12*s123*s23*z123) - 
   (D*s1234*s13*s14*z1*z2)/(4*s12*s123*s23*z123) + 
   (s1234*s13^2*s14*z1*z2)/(s12*s123*s124*s23*z123) - 
   (s1234*s14^2*z1*z2)/(s123*s124*s23*z123) + (s1234*s13*s14^2*z1*z2)/
    (s12*s123*s124*s23*z123) - (s1234*s23*z1*z2)/(s12*s123*z123) + 
   (D*s1234*s23*z1*z2)/(4*s12*s123*z123) - (2*s1234*s23*z1*z2)/
    (s123*s13*z123) + (D*s1234*s23*z1*z2)/(4*s123*s13*z123) - 
   (s1234*s14*s23*z1*z2)/(s12*s123*s124*z123) + (s1234*s14*s23*z1*z2)/
    (s12*s123*s13*z123) + (D*s1234*s14*s23*z1*z2)/(4*s12*s123*s13*z123) - 
   (s1234*s14*s23*z1*z2)/(s123*s124*s13*z123) - (s1234*s14^2*s23*z1*z2)/
    (s12*s123*s124*s13*z123) - (s1234*s23^2*z1*z2)/(s12*s123*s13*z123) + 
   (D*s1234*s23^2*z1*z2)/(4*s12*s123*s13*z123) - 
   (2*s1234*s24*z1*z2)/(s12*s123*z123) + (3*s1234*s24*z1*z2)/
    (s123*s124*z123) - (s1234*s24*z1*z2)/(s123*s13*z123) + 
   (s12*s1234*s24*z1*z2)/(s123*s124*s13*z123) + (s1234*s13*s24*z1*z2)/
    (s12*s123*s124*z123) + (3*s1234*s14*s24*z1*z2)/(s12*s123*s13*z123) - 
   (s1234*s14*s24*z1*z2)/(s123*s124*s13*z123) - (2*s1234*s14^2*s24*z1*z2)/
    (s12*s123*s124*s13*z123) - (s1234*s24*z1*z2)/(s123*s23*z123) + 
   (s12*s1234*s24*z1*z2)/(s123*s124*s23*z123) - (s1234*s13*s24*z1*z2)/
    (s12*s123*s23*z123) - (D*s1234*s13*s24*z1*z2)/(4*s12*s123*s23*z123) + 
   (s1234*s13*s24*z1*z2)/(s123*s124*s23*z123) - (3*s1234*s14*s24*z1*z2)/
    (s12*s123*s23*z123) + (s1234*s14*s24*z1*z2)/(s123*s124*s23*z123) + 
   (2*s1234*s13*s14*s24*z1*z2)/(s12*s123*s124*s23*z123) + 
   (s1234*s14^2*s24*z1*z2)/(s12*s123*s124*s23*z123) - 
   (s1234*s23*s24*z1*z2)/(s12*s123*s13*z123) + (D*s1234*s23*s24*z1*z2)/
    (4*s12*s123*s13*z123) - (2*s1234*s14*s23*s24*z1*z2)/
    (s12*s123*s124*s13*z123) - (s1234*s23^2*s24*z1*z2)/
    (s12*s123*s124*s13*z123) + (2*s1234*s24^2*z1*z2)/(s12*s123*s124*z123) + 
   (s1234*s24^2*z1*z2)/(s123*s124*s13*z123) - (s1234*s14*s24^2*z1*z2)/
    (s12*s123*s124*s13*z123) - (3*s1234*s24^2*z1*z2)/(s12*s123*s23*z123) + 
   (2*s1234*s24^2*z1*z2)/(s123*s124*s23*z123) + (s1234*s13*s24^2*z1*z2)/
    (s12*s123*s124*s23*z123) + (2*s1234*s14*s24^2*z1*z2)/
    (s12*s123*s124*s23*z123) - (s1234*s23*s24^2*z1*z2)/
    (s12*s123*s124*s13*z123) + (s1234*s24^3*z1*z2)/(s12*s123*s124*s23*z123) + 
   (s1234*s14^2*z1*z2)/(s12*s123*s34*z123) + (s1234*s14^2*z1*z2)/
    (s123*s13*s34*z123) + (s1234*s14^3*z1*z2)/(s12*s123*s13*s34*z123) + 
   (s1234*s14^2*s23*z1*z2)/(s12*s123*s13*s34*z123) + 
   (s1234*s14*s24*z1*z2)/(s123*s13*s34*z123) + (2*s1234*s14^2*s24*z1*z2)/
    (s12*s123*s13*s34*z123) - (s1234*s14*s24*z1*z2)/(s123*s23*s34*z123) - 
   (s1234*s13*s14*s24*z1*z2)/(s12*s123*s23*s34*z123) - 
   (s1234*s14^2*s24*z1*z2)/(s12*s123*s23*s34*z123) + 
   (s1234*s14*s23*s24*z1*z2)/(s12*s123*s13*s34*z123) - 
   (s1234*s24^2*z1*z2)/(s12*s123*s34*z123) + (s1234*s14*s24^2*z1*z2)/
    (s12*s123*s13*s34*z123) - (s1234*s24^2*z1*z2)/(s123*s23*s34*z123) - 
   (s1234*s13*s24^2*z1*z2)/(s12*s123*s23*s34*z123) - 
   (2*s1234*s14*s24^2*z1*z2)/(s12*s123*s23*s34*z123) - 
   (s1234*s24^3*z1*z2)/(s12*s123*s23*s34*z123) - 
   (2*s1234*s34*z1*z2)/(s123*s13*z123) + (s12*s1234*s34*z1*z2)/
    (s123*s124*s13*z123) - (s1234*s13*s34*z1*z2)/(s12*s123*s124*z123) + 
   (D*s1234*s13*s34*z1*z2)/(4*s12*s123*s124*z123) - 
   (s1234*s14*s34*z1*z2)/(s12*s123*s124*z123) + (s1234*s14*s34*z1*z2)/
    (s12*s123*s13*z123) + (s1234*s14*s34*z1*z2)/(s123*s124*s13*z123) + 
   (2*s1234*s34*z1*z2)/(s123*s23*z123) - (s12*s1234*s34*z1*z2)/
    (s123*s124*s23*z123) + (2*s1234*s13*s34*z1*z2)/(s12*s123*s23*z123) - 
   (D*s1234*s13*s34*z1*z2)/(4*s12*s123*s23*z123) - 
   (2*s1234*s13*s34*z1*z2)/(s123*s124*s23*z123) + 
   (D*s1234*s13*s34*z1*z2)/(4*s123*s124*s23*z123) - 
   (s1234*s13^2*s34*z1*z2)/(s12*s123*s124*s23*z123) + 
   (D*s1234*s13^2*s34*z1*z2)/(4*s12*s123*s124*s23*z123) + 
   (s1234*s14*s34*z1*z2)/(s12*s123*s23*z123) - (3*s1234*s14*s34*z1*z2)/
    (s123*s124*s23*z123) - (s1234*s13*s14*s34*z1*z2)/
    (s12*s123*s124*s23*z123) + (D*s1234*s13*s14*s34*z1*z2)/
    (4*s12*s123*s124*s23*z123) - (s1234*s14^2*s34*z1*z2)/
    (s12*s123*s124*s23*z123) + (s1234*s23*s34*z1*z2)/(s12*s123*s124*z123) - 
   (D*s1234*s23*s34*z1*z2)/(4*s12*s123*s124*z123) - 
   (2*s1234*s23*s34*z1*z2)/(s12*s123*s13*z123) + 
   (D*s1234*s23*s34*z1*z2)/(4*s12*s123*s13*z123) + 
   (2*s1234*s23*s34*z1*z2)/(s123*s124*s13*z123) - 
   (D*s1234*s23*s34*z1*z2)/(4*s123*s124*s13*z123) + 
   (2*s1234*s14*s23*s34*z1*z2)/(s12*s123*s124*s13*z123) - 
   (D*s1234*s14*s23*s34*z1*z2)/(4*s12*s123*s124*s13*z123) + 
   (s1234*s23^2*s34*z1*z2)/(s12*s123*s124*s13*z123) - 
   (D*s1234*s23^2*s34*z1*z2)/(4*s12*s123*s124*s13*z123) + 
   (s1234*s24*s34*z1*z2)/(s12*s123*s124*z123) - (s1234*s24*s34*z1*z2)/
    (s12*s123*s13*z123) + (3*s1234*s24*s34*z1*z2)/(s123*s124*s13*z123) + 
   (s1234*s14*s24*s34*z1*z2)/(s12*s123*s124*s13*z123) - 
   (s1234*s24*s34*z1*z2)/(s12*s123*s23*z123) - (s1234*s24*s34*z1*z2)/
    (s123*s124*s23*z123) - (2*s1234*s13*s24*s34*z1*z2)/
    (s12*s123*s124*s23*z123) + (D*s1234*s13*s24*s34*z1*z2)/
    (4*s12*s123*s124*s23*z123) - (s1234*s14*s24*s34*z1*z2)/
    (s12*s123*s124*s23*z123) + (s1234*s23*s24*s34*z1*z2)/
    (s12*s123*s124*s13*z123) - (D*s1234*s23*s24*s34*z1*z2)/
    (4*s12*s123*s124*s13*z123) + (s1234*s24^2*s34*z1*z2)/
    (s12*s123*s124*s13*z123) - (s1234*s34^2*z1*z2)/(s12*s123*s13*z123) + 
   (s1234*s34^2*z1*z2)/(s123*s124*s13*z123) + (s1234*s14*s34^2*z1*z2)/
    (s12*s123*s124*s13*z123) + (s1234*s34^2*z1*z2)/(s12*s123*s23*z123) - 
   (s1234*s34^2*z1*z2)/(s123*s124*s23*z123) - (s1234*s13*s34^2*z1*z2)/
    (s12*s123*s124*s23*z123) + (D*s1234*s13*s34^2*z1*z2)/
    (4*s12*s123*s124*s23*z123) - (s1234*s14*s34^2*z1*z2)/
    (s12*s123*s124*s23*z123) + (s1234*s23*s34^2*z1*z2)/
    (s12*s123*s124*s13*z123) - (D*s1234*s23*s34^2*z1*z2)/
    (4*s12*s123*s124*s13*z123) + (s1234*s24*s34^2*z1*z2)/
    (s12*s123*s124*s13*z123) - (s1234*s24*s34^2*z1*z2)/
    (s12*s123*s124*s23*z123) - (4*s1234*z1^2*z2)/(s123*z12*z123) - 
   (2*s12*s1234*z1^2*z2)/(s123*s13*z12*z123) - (2*s1234*s13*z1^2*z2)/
    (s12*s123*z12*z123) - (6*s1234*s14*z1^2*z2)/(s12*s123*z12*z123) + 
   (2*s1234*s14*z1^2*z2)/(s123*s124*z12*z123) - (6*s1234*s14*z1^2*z2)/
    (s123*s13*z12*z123) + (2*s12*s1234*s14*z1^2*z2)/
    (s123*s124*s13*z12*z123) + (2*s1234*s14^2*z1^2*z2)/
    (s12*s123*s124*z12*z123) - (4*s1234*s14^2*z1^2*z2)/
    (s12*s123*s13*z12*z123) + (4*s1234*s14^2*z1^2*z2)/
    (s123*s124*s13*z12*z123) + (2*s1234*s14^3*z1^2*z2)/
    (s12*s123*s124*s13*z12*z123) - (4*s1234*s23*z1^2*z2)/
    (s12*s123*z12*z123) - (4*s1234*s23*z1^2*z2)/(s123*s13*z12*z123) - 
   (6*s1234*s14*s23*z1^2*z2)/(s12*s123*s13*z12*z123) + 
   (2*s1234*s14*s23*z1^2*z2)/(s123*s124*s13*z12*z123) + 
   (2*s1234*s14^2*s23*z1^2*z2)/(s12*s123*s124*s13*z12*z123) - 
   (2*s1234*s23^2*z1^2*z2)/(s12*s123*s13*z12*z123) - 
   (2*s1234*s24*z1^2*z2)/(s12*s123*z12*z123) - (2*s1234*s24*z1^2*z2)/
    (s123*s124*z12*z123) - (4*s1234*s24*z1^2*z2)/(s123*s13*z12*z123) - 
   (6*s1234*s14*s24*z1^2*z2)/(s12*s123*s13*z12*z123) + 
   (4*s1234*s14*s24*z1^2*z2)/(s123*s124*s13*z12*z123) + 
   (4*s1234*s14^2*s24*z1^2*z2)/(s12*s123*s124*s13*z12*z123) + 
   (2*s1234*s24*z1^2*z2)/(s123*s23*z12*z123) - (2*s12*s1234*s24*z1^2*z2)/
    (s123*s124*s23*z12*z123) + (2*s1234*s13*s24*z1^2*z2)/
    (s12*s123*s23*z12*z123) - (2*s1234*s13*s24*z1^2*z2)/
    (s123*s124*s23*z12*z123) + (2*s1234*s14*s24*z1^2*z2)/
    (s12*s123*s23*z12*z123) - (4*s1234*s14*s24*z1^2*z2)/
    (s123*s124*s23*z12*z123) - (2*s1234*s13*s14*s24*z1^2*z2)/
    (s12*s123*s124*s23*z12*z123) - (2*s1234*s14^2*s24*z1^2*z2)/
    (s12*s123*s124*s23*z12*z123) - (4*s1234*s23*s24*z1^2*z2)/
    (s12*s123*s13*z12*z123) + (2*s1234*s14*s23*s24*z1^2*z2)/
    (s12*s123*s124*s13*z12*z123) - (2*s1234*s24^2*z1^2*z2)/
    (s12*s123*s124*z12*z123) - (2*s1234*s24^2*z1^2*z2)/
    (s12*s123*s13*z12*z123) + (2*s1234*s14*s24^2*z1^2*z2)/
    (s12*s123*s124*s13*z12*z123) + (2*s1234*s24^2*z1^2*z2)/
    (s12*s123*s23*z12*z123) - (4*s1234*s24^2*z1^2*z2)/
    (s123*s124*s23*z12*z123) - (2*s1234*s13*s24^2*z1^2*z2)/
    (s12*s123*s124*s23*z12*z123) - (4*s1234*s14*s24^2*z1^2*z2)/
    (s12*s123*s124*s23*z12*z123) - (2*s1234*s24^3*z1^2*z2)/
    (s12*s123*s124*s23*z12*z123) - (2*s1234*s34*z1^2*z2)/
    (s12*s123*z12*z123) - (2*s1234*s34*z1^2*z2)/(s123*s124*z12*z123) - 
   (s1234*s34*z1^2*z2)/(s123*s13*z12*z123) - (3*s12*s1234*s34*z1^2*z2)/
    (s123*s124*s13*z12*z123) - (2*s1234*s14*s34*z1^2*z2)/
    (s12*s123*s124*z12*z123) - (3*s1234*s14*s34*z1^2*z2)/
    (s12*s123*s13*z12*z123) - (4*s1234*s14*s34*z1^2*z2)/
    (s123*s124*s13*z12*z123) - (s1234*s14^2*s34*z1^2*z2)/
    (s12*s123*s124*s13*z12*z123) - (s1234*s34*z1^2*z2)/(s123*s23*z12*z123) + 
   (s12*s1234*s34*z1^2*z2)/(s123*s124*s23*z12*z123) - 
   (s1234*s13*s34*z1^2*z2)/(s12*s123*s23*z12*z123) + 
   (s1234*s13*s34*z1^2*z2)/(s123*s124*s23*z12*z123) - 
   (s1234*s14*s34*z1^2*z2)/(s12*s123*s23*z12*z123) + 
   (2*s1234*s14*s34*z1^2*z2)/(s123*s124*s23*z12*z123) + 
   (s1234*s13*s14*s34*z1^2*z2)/(s12*s123*s124*s23*z12*z123) + 
   (s1234*s14^2*s34*z1^2*z2)/(s12*s123*s124*s23*z12*z123) - 
   (s1234*s23*s34*z1^2*z2)/(s12*s123*s13*z12*z123) - 
   (3*s1234*s23*s34*z1^2*z2)/(s123*s124*s13*z12*z123) - 
   (3*s1234*s14*s23*s34*z1^2*z2)/(s12*s123*s124*s13*z12*z123) - 
   (2*s1234*s24*s34*z1^2*z2)/(s12*s123*s124*z12*z123) - 
   (s1234*s24*s34*z1^2*z2)/(s12*s123*s13*z12*z123) - 
   (6*s1234*s24*s34*z1^2*z2)/(s123*s124*s13*z12*z123) - 
   (4*s1234*s14*s24*s34*z1^2*z2)/(s12*s123*s124*s13*z12*z123) + 
   (s1234*s24*s34*z1^2*z2)/(s12*s123*s23*z12*z123) + 
   (s1234*s13*s24*s34*z1^2*z2)/(s12*s123*s124*s23*z12*z123) - 
   (3*s1234*s23*s24*s34*z1^2*z2)/(s12*s123*s124*s13*z12*z123) - 
   (3*s1234*s24^2*s34*z1^2*z2)/(s12*s123*s124*s13*z12*z123) - 
   (s1234*s24^2*s34*z1^2*z2)/(s12*s123*s124*s23*z12*z123) + 
   (s1234*s34^2*z1^2*z2)/(s12*s123*s13*z12*z123) - 
   (3*s1234*s34^2*z1^2*z2)/(s123*s124*s13*z12*z123) - 
   (3*s1234*s14*s34^2*z1^2*z2)/(s12*s123*s124*s13*z12*z123) - 
   (s1234*s34^2*z1^2*z2)/(s12*s123*s23*z12*z123) + 
   (s1234*s34^2*z1^2*z2)/(s123*s124*s23*z12*z123) + 
   (s1234*s14*s34^2*z1^2*z2)/(s12*s123*s124*s23*z12*z123) - 
   (3*s1234*s24*s34^2*z1^2*z2)/(s12*s123*s124*s13*z12*z123) + 
   (s1234*s24*s34^2*z1^2*z2)/(s12*s123*s124*s23*z12*z123) + 
   (s1234*z2^2)/(s123*z12) - (D*s1234*z2^2)/(4*s123*z12) + 
   (s1234*s13*z2^2)/(s12*s123*z12) - (2*s1234*s14*z2^2)/(s12*s123*z12) + 
   (D*s1234*s14*z2^2)/(4*s12*s123*z12) - (s1234*s14*z2^2)/(s123*s124*z12) - 
   (D*s1234*s14*z2^2)/(2*s123*s124*z12) - (s12*s1234*s14*z2^2)/
    (s123*s124*s13*z12) - (s1234*s14^2*z2^2)/(s12*s123*s124*z12) - 
   (D*s1234*s14^2*z2^2)/(2*s12*s123*s124*z12) - 
   (3*s1234*s14^2*z2^2)/(s123*s124*s13*z12) - (2*s1234*s14^3*z2^2)/
    (s12*s123*s124*s13*z12) + (D*s1234*s13*z2^2)/(4*s123*s23*z12) + 
   (D*s1234*s13^2*z2^2)/(4*s12*s123*s23*z12) - 
   (2*s1234*s14*z2^2)/(s123*s23*z12) - (D*s1234*s13*s14*z2^2)/
    (4*s12*s123*s23*z12) - (2*s1234*s13*s14*z2^2)/(s123*s124*s23*z12) + 
   (D*s1234*s13*s14*z2^2)/(2*s123*s124*s23*z12) - 
   (2*s1234*s14^2*z2^2)/(s12*s123*s23*z12) - (2*s1234*s13*s14^2*z2^2)/
    (s12*s123*s124*s23*z12) + (D*s1234*s13*s14^2*z2^2)/
    (2*s12*s123*s124*s23*z12) + (s1234*s23*z2^2)/(s12*s123*z12) - 
   (D*s1234*s23*z2^2)/(4*s12*s123*z12) - (s1234*s14*s23*z2^2)/
    (s123*s124*s13*z12) - (s1234*s14^2*s23*z2^2)/(s12*s123*s124*s13*z12) - 
   (s1234*s24*z2^2)/(s12*s123*z12) + (D*s1234*s24*z2^2)/(4*s12*s123*z12) + 
   (2*s1234*s24*z2^2)/(s123*s124*z12) - (D*s1234*s24*z2^2)/
    (2*s123*s124*z12) + (s1234*s14*s24*z2^2)/(s12*s123*s124*z12) - 
   (D*s1234*s14*s24*z2^2)/(s12*s123*s124*z12) - 
   (s1234*s14*s24*z2^2)/(s12*s123*s13*z12) - (s1234*s14*s24*z2^2)/
    (s123*s124*s13*z12) - (2*s1234*s14^2*s24*z2^2)/(s12*s123*s124*s13*z12) + 
   (s1234*s24*z2^2)/(s123*s23*z12) - (s12*s1234*s24*z2^2)/
    (s123*s124*s23*z12) + (s1234*s13*s24*z2^2)/(s12*s123*s23*z12) - 
   (D*s1234*s13*s24*z2^2)/(4*s12*s123*s23*z12) + 
   (D*s1234*s13*s24*z2^2)/(2*s123*s124*s23*z12) - 
   (3*s1234*s14*s24*z2^2)/(s12*s123*s23*z12) + (s1234*s14*s24*z2^2)/
    (s123*s124*s23*z12) - (2*s1234*s13*s14*s24*z2^2)/
    (s12*s123*s124*s23*z12) + (D*s1234*s13*s14*s24*z2^2)/
    (s12*s123*s124*s23*z12) + (2*s1234*s14^2*s24*z2^2)/
    (s12*s123*s124*s23*z12) - (s1234*s14*s23*s24*z2^2)/
    (s12*s123*s124*s13*z12) + (2*s1234*s24^2*z2^2)/(s12*s123*s124*z12) - 
   (D*s1234*s24^2*z2^2)/(2*s12*s123*s124*z12) - 
   (s1234*s24^2*z2^2)/(s123*s124*s23*z12) + (D*s1234*s13*s24^2*z2^2)/
    (2*s12*s123*s124*s23*z12) + (2*s1234*s14*s24^2*z2^2)/
    (s12*s123*s124*s23*z12) - (s1234*s14*z2^2)/(s123*s34*z12) - 
   (s1234*s13*s14*z2^2)/(s12*s123*s34*z12) - (2*s1234*s14^2*z2^2)/
    (s12*s123*s34*z12) - (s1234*s14^2*z2^2)/(s123*s13*s34*z12) - 
   (s1234*s14^3*z2^2)/(s12*s123*s13*s34*z12) - (s1234*s14*s23*z2^2)/
    (s12*s123*s34*z12) - (s1234*s14^2*s23*z2^2)/(s12*s123*s13*s34*z12) + 
   (s1234*s13*s24*z2^2)/(s12*s123*s34*z12) - (s1234*s14^2*s24*z2^2)/
    (s12*s123*s13*s34*z12) + (s1234*s13*s24*z2^2)/(s123*s23*s34*z12) + 
   (s1234*s13^2*s24*z2^2)/(s12*s123*s23*s34*z12) + 
   (s1234*s14*s24*z2^2)/(s123*s23*s34*z12) + (2*s1234*s13*s14*s24*z2^2)/
    (s12*s123*s23*s34*z12) + (s1234*s14^2*s24*z2^2)/(s12*s123*s23*s34*z12) + 
   (s1234*s13*s24^2*z2^2)/(s12*s123*s23*s34*z12) + 
   (s1234*s14*s24^2*z2^2)/(s12*s123*s23*s34*z12) + 
   (D*s1234*s34*z2^2)/(4*s12*s123*z12) + (s1234*s34*z2^2)/(s123*s124*z12) - 
   (D*s1234*s34*z2^2)/(2*s123*s124*z12) + (s1234*s14*s34*z2^2)/
    (s12*s123*s124*z12) - (D*s1234*s14*s34*z2^2)/(2*s12*s123*s124*z12) + 
   (s1234*s14*s34*z2^2)/(s12*s123*s13*z12) - (2*s1234*s14*s34*z2^2)/
    (s123*s124*s13*z12) - (2*s1234*s14^2*s34*z2^2)/(s12*s123*s124*s13*z12) + 
   (s1234*s34*z2^2)/(s123*s23*z12) - (s12*s1234*s34*z2^2)/
    (s123*s124*s23*z12) - (D*s1234*s13*s34*z2^2)/(4*s12*s123*s23*z12) + 
   (D*s1234*s13*s34*z2^2)/(2*s123*s124*s23*z12) - 
   (3*s1234*s14*s34*z2^2)/(s123*s124*s23*z12) + (D*s1234*s13*s14*s34*z2^2)/
    (2*s12*s123*s124*s23*z12) - (2*s1234*s14^2*s34*z2^2)/
    (s12*s123*s124*s23*z12) + (s1234*s24*s34*z2^2)/(s12*s123*s124*z12) - 
   (D*s1234*s24*s34*z2^2)/(2*s12*s123*s124*z12) - 
   (2*s1234*s14*s24*s34*z2^2)/(s12*s123*s124*s13*z12) - 
   (s1234*s24*s34*z2^2)/(s123*s124*s23*z12) + (D*s1234*s13*s24*s34*z2^2)/
    (2*s12*s123*s124*s23*z12) - (2*s1234*s14*s24*s34*z2^2)/
    (s12*s123*s124*s23*z12) + (s1234*z2^2)/(s123*z123) - 
   (D*s1234*z2^2)/(4*s123*z123) + (s1234*s13*z2^2)/(s12*s123*z123) - 
   (D*s1234*s13*z2^2)/(2*s12*s123*z123) - (s1234*s14*z2^2)/(s12*s123*z123) - 
   (D*s1234*s14*z2^2)/(4*s12*s123*z123) - (s1234*s14*z2^2)/(s123*s124*z123) - 
   (s12*s1234*s14*z2^2)/(s123*s124*s13*z123) - (s1234*s13*s14*z2^2)/
    (s12*s123*s124*z123) - (2*s1234*s14^2*z2^2)/(s12*s123*s124*z123) - 
   (s1234*s14^2*z2^2)/(s12*s123*s13*z123) - (2*s1234*s14^2*z2^2)/
    (s123*s124*s13*z123) - (s1234*s14^3*z2^2)/(s12*s123*s124*s13*z123) - 
   (D*s1234*s13*z2^2)/(4*s123*s23*z123) - (D*s1234*s13^2*z2^2)/
    (4*s12*s123*s23*z123) - (2*s1234*s14*z2^2)/(s123*s23*z123) + 
   (s12*s1234*s14*z2^2)/(s123*s124*s23*z123) - (2*s1234*s13*s14*z2^2)/
    (s12*s123*s23*z123) - (D*s1234*s13*s14*z2^2)/(4*s12*s123*s23*z123) + 
   (s1234*s13*s14*z2^2)/(s123*s124*s23*z123) - (2*s1234*s14^2*z2^2)/
    (s12*s123*s23*z123) + (s1234*s14^2*z2^2)/(s123*s124*s23*z123) + 
   (s1234*s23*z2^2)/(s12*s123*z123) - (D*s1234*s23*z2^2)/(4*s12*s123*z123) + 
   (s1234*s14*s23^2*z2^2)/(s12*s123*s124*s13*z123) + 
   (s1234*s24*z2^2)/(s12*s123*z123) - (D*s1234*s24*z2^2)/(4*s12*s123*z123) - 
   (s1234*s14*s24*z2^2)/(s123*s124*s13*z123) - (s1234*s14^2*s24*z2^2)/
    (s12*s123*s124*s13*z123) - (D*s1234*s13*s24*z2^2)/(4*s12*s123*s23*z123) - 
   (s1234*s14*s24*z2^2)/(s12*s123*s23*z123) + (2*s1234*s14*s24*z2^2)/
    (s123*s124*s23*z123) + (s1234*s13*s14*s24*z2^2)/
    (s12*s123*s124*s23*z123) + (s1234*s14^2*s24*z2^2)/
    (s12*s123*s124*s23*z123) + (s1234*s14*s23*s24*z2^2)/
    (s12*s123*s124*s13*z123) + (s1234*s14*s24^2*z2^2)/
    (s12*s123*s124*s23*z123) - (s1234*s14^2*z2^2)/(s12*s123*s34*z123) - 
   (s1234*s14^2*z2^2)/(s123*s13*s34*z123) - (s1234*s14^3*z2^2)/
    (s12*s123*s13*s34*z123) - (s1234*s14^2*s23*z2^2)/
    (s12*s123*s13*s34*z123) + (s1234*s14*s24*z2^2)/(s12*s123*s34*z123) - 
   (s1234*s14^2*s24*z2^2)/(s12*s123*s13*s34*z123) + 
   (s1234*s14*s24*z2^2)/(s123*s23*s34*z123) + (s1234*s13*s14*s24*z2^2)/
    (s12*s123*s23*s34*z123) + (s1234*s14^2*s24*z2^2)/
    (s12*s123*s23*s34*z123) + (s1234*s14*s24^2*z2^2)/
    (s12*s123*s23*s34*z123) + (s1234*s34*z2^2)/(s12*s123*z123) - 
   (D*s1234*s34*z2^2)/(4*s12*s123*z123) - (2*s1234*s34*z2^2)/
    (s123*s124*z123) + (D*s1234*s34*z2^2)/(4*s123*s124*z123) - 
   (s12*s1234*s34*z2^2)/(s123*s124*s13*z123) - (2*s1234*s13*s34*z2^2)/
    (s12*s123*s124*z123) + (D*s1234*s13*s34*z2^2)/(2*s12*s123*s124*z123) - 
   (4*s1234*s14*s34*z2^2)/(s12*s123*s124*z123) + 
   (D*s1234*s14*s34*z2^2)/(4*s12*s123*s124*z123) - 
   (2*s1234*s14*s34*z2^2)/(s123*s124*s13*z123) - 
   (s1234*s14^2*s34*z2^2)/(s12*s123*s124*s13*z123) - 
   (D*s1234*s13*s34*z2^2)/(4*s12*s123*s23*z123) - 
   (s1234*s13*s34*z2^2)/(s123*s124*s23*z123) + (D*s1234*s13*s34*z2^2)/
    (4*s123*s124*s23*z123) - (s1234*s13^2*s34*z2^2)/
    (s12*s123*s124*s23*z123) + (D*s1234*s13^2*s34*z2^2)/
    (4*s12*s123*s124*s23*z123) - (2*s1234*s14*s34*z2^2)/(s12*s123*s23*z123) - 
   (s1234*s14*s34*z2^2)/(s123*s124*s23*z123) - (3*s1234*s13*s14*s34*z2^2)/
    (s12*s123*s124*s23*z123) + (D*s1234*s13*s14*s34*z2^2)/
    (4*s12*s123*s124*s23*z123) - (2*s1234*s14^2*s34*z2^2)/
    (s12*s123*s124*s23*z123) - (s1234*s23*s34*z2^2)/(s12*s123*s124*z123) + 
   (D*s1234*s23*s34*z2^2)/(4*s12*s123*s124*z123) - 
   (s1234*s23*s34*z2^2)/(s123*s124*s13*z123) + (s1234*s14*s23*s34*z2^2)/
    (s12*s123*s124*s13*z123) - (s1234*s24*s34*z2^2)/(s12*s123*s124*z123) + 
   (D*s1234*s24*s34*z2^2)/(4*s12*s123*s124*z123) - 
   (s1234*s24*s34*z2^2)/(s123*s124*s13*z123) - (s1234*s13*s24*s34*z2^2)/
    (s12*s123*s124*s23*z123) + (D*s1234*s13*s24*s34*z2^2)/
    (4*s12*s123*s124*s23*z123) - (s1234*s14*s24*s34*z2^2)/
    (s12*s123*s124*s23*z123) - (s1234*s34^2*z2^2)/(s12*s123*s124*z123) + 
   (D*s1234*s34^2*z2^2)/(4*s12*s123*s124*z123) - 
   (s1234*s34^2*z2^2)/(s123*s124*s13*z123) - (s1234*s13*s34^2*z2^2)/
    (s12*s123*s124*s23*z123) + (D*s1234*s13*s34^2*z2^2)/
    (4*s12*s123*s124*s23*z123) - (2*s1234*s14*s34^2*z2^2)/
    (s12*s123*s124*s23*z123) + (4*s1234*z1*z2^2)/(s123*z12*z123) + 
   (4*s1234*s13*z1*z2^2)/(s12*s123*z12*z123) + (2*s1234*s14*z1*z2^2)/
    (s12*s123*z12*z123) + (2*s1234*s14*z1*z2^2)/(s123*s124*z12*z123) - 
   (2*s1234*s14*z1*z2^2)/(s123*s13*z12*z123) + (2*s12*s1234*s14*z1*z2^2)/
    (s123*s124*s13*z12*z123) + (2*s1234*s14^2*z1*z2^2)/
    (s12*s123*s124*z12*z123) - (2*s1234*s14^2*z1*z2^2)/
    (s12*s123*s13*z12*z123) + (4*s1234*s14^2*z1*z2^2)/
    (s123*s124*s13*z12*z123) + (2*s1234*s14^3*z1*z2^2)/
    (s12*s123*s124*s13*z12*z123) + (2*s12*s1234*z1*z2^2)/
    (s123*s23*z12*z123) + (4*s1234*s13*z1*z2^2)/(s123*s23*z12*z123) + 
   (2*s1234*s13^2*z1*z2^2)/(s12*s123*s23*z12*z123) + 
   (4*s1234*s14*z1*z2^2)/(s123*s23*z12*z123) + (4*s1234*s13*s14*z1*z2^2)/
    (s12*s123*s23*z12*z123) + (2*s1234*s14^2*z1*z2^2)/
    (s12*s123*s23*z12*z123) + (2*s1234*s23*z1*z2^2)/(s12*s123*z12*z123) - 
   (2*s1234*s14*s23*z1*z2^2)/(s12*s123*s13*z12*z123) + 
   (2*s1234*s14*s23*z1*z2^2)/(s123*s124*s13*z12*z123) + 
   (2*s1234*s14^2*s23*z1*z2^2)/(s12*s123*s124*s13*z12*z123) + 
   (6*s1234*s24*z1*z2^2)/(s12*s123*z12*z123) - (2*s1234*s24*z1*z2^2)/
    (s123*s124*z12*z123) - (2*s1234*s14*s24*z1*z2^2)/
    (s12*s123*s13*z12*z123) + (4*s1234*s14*s24*z1*z2^2)/
    (s123*s124*s13*z12*z123) + (4*s1234*s14^2*s24*z1*z2^2)/
    (s12*s123*s124*s13*z12*z123) + (6*s1234*s24*z1*z2^2)/
    (s123*s23*z12*z123) - (2*s12*s1234*s24*z1*z2^2)/
    (s123*s124*s23*z12*z123) + (6*s1234*s13*s24*z1*z2^2)/
    (s12*s123*s23*z12*z123) - (2*s1234*s13*s24*z1*z2^2)/
    (s123*s124*s23*z12*z123) + (6*s1234*s14*s24*z1*z2^2)/
    (s12*s123*s23*z12*z123) - (4*s1234*s14*s24*z1*z2^2)/
    (s123*s124*s23*z12*z123) - (2*s1234*s13*s14*s24*z1*z2^2)/
    (s12*s123*s124*s23*z12*z123) - (2*s1234*s14^2*s24*z1*z2^2)/
    (s12*s123*s124*s23*z12*z123) + (2*s1234*s14*s23*s24*z1*z2^2)/
    (s12*s123*s124*s13*z12*z123) - (2*s1234*s24^2*z1*z2^2)/
    (s12*s123*s124*z12*z123) + (2*s1234*s14*s24^2*z1*z2^2)/
    (s12*s123*s124*s13*z12*z123) + (4*s1234*s24^2*z1*z2^2)/
    (s12*s123*s23*z12*z123) - (4*s1234*s24^2*z1*z2^2)/
    (s123*s124*s23*z12*z123) - (2*s1234*s13*s24^2*z1*z2^2)/
    (s12*s123*s124*s23*z12*z123) - (4*s1234*s14*s24^2*z1*z2^2)/
    (s12*s123*s124*s23*z12*z123) - (2*s1234*s24^3*z1*z2^2)/
    (s12*s123*s124*s23*z12*z123) + (2*s1234*s34*z1*z2^2)/
    (s12*s123*z12*z123) + (2*s1234*s34*z1*z2^2)/(s123*s124*z12*z123) + 
   (s1234*s34*z1*z2^2)/(s123*s13*z12*z123) - (s12*s1234*s34*z1*z2^2)/
    (s123*s124*s13*z12*z123) + (2*s1234*s14*s34*z1*z2^2)/
    (s12*s123*s124*z12*z123) - (s1234*s14*s34*z1*z2^2)/
    (s12*s123*s13*z12*z123) + (s1234*s14^2*s34*z1*z2^2)/
    (s12*s123*s124*s13*z12*z123) + (s1234*s34*z1*z2^2)/(s123*s23*z12*z123) + 
   (3*s12*s1234*s34*z1*z2^2)/(s123*s124*s23*z12*z123) + 
   (s1234*s13*s34*z1*z2^2)/(s12*s123*s23*z12*z123) + 
   (3*s1234*s13*s34*z1*z2^2)/(s123*s124*s23*z12*z123) + 
   (s1234*s14*s34*z1*z2^2)/(s12*s123*s23*z12*z123) + 
   (6*s1234*s14*s34*z1*z2^2)/(s123*s124*s23*z12*z123) + 
   (3*s1234*s13*s14*s34*z1*z2^2)/(s12*s123*s124*s23*z12*z123) + 
   (3*s1234*s14^2*s34*z1*z2^2)/(s12*s123*s124*s23*z12*z123) + 
   (s1234*s23*s34*z1*z2^2)/(s12*s123*s13*z12*z123) - 
   (s1234*s23*s34*z1*z2^2)/(s123*s124*s13*z12*z123) - 
   (s1234*s14*s23*s34*z1*z2^2)/(s12*s123*s124*s13*z12*z123) + 
   (2*s1234*s24*s34*z1*z2^2)/(s12*s123*s124*z12*z123) + 
   (s1234*s24*s34*z1*z2^2)/(s12*s123*s13*z12*z123) - 
   (2*s1234*s24*s34*z1*z2^2)/(s123*s124*s13*z12*z123) + 
   (3*s1234*s24*s34*z1*z2^2)/(s12*s123*s23*z12*z123) + 
   (4*s1234*s24*s34*z1*z2^2)/(s123*s124*s23*z12*z123) + 
   (3*s1234*s13*s24*s34*z1*z2^2)/(s12*s123*s124*s23*z12*z123) + 
   (4*s1234*s14*s24*s34*z1*z2^2)/(s12*s123*s124*s23*z12*z123) - 
   (s1234*s23*s24*s34*z1*z2^2)/(s12*s123*s124*s13*z12*z123) - 
   (s1234*s24^2*s34*z1*z2^2)/(s12*s123*s124*s13*z12*z123) + 
   (s1234*s24^2*s34*z1*z2^2)/(s12*s123*s124*s23*z12*z123) + 
   (s1234*s34^2*z1*z2^2)/(s12*s123*s13*z12*z123) - 
   (s1234*s34^2*z1*z2^2)/(s123*s124*s13*z12*z123) - 
   (s1234*s14*s34^2*z1*z2^2)/(s12*s123*s124*s13*z12*z123) - 
   (s1234*s34^2*z1*z2^2)/(s12*s123*s23*z12*z123) + 
   (3*s1234*s34^2*z1*z2^2)/(s123*s124*s23*z12*z123) + 
   (3*s1234*s14*s34^2*z1*z2^2)/(s12*s123*s124*s23*z12*z123) - 
   (s1234*s24*s34^2*z1*z2^2)/(s12*s123*s124*s13*z12*z123) + 
   (3*s1234*s24*s34^2*z1*z2^2)/(s12*s123*s124*s23*z12*z123) + 
   (s1234*s14*z1^2)/(s12*s123*z3) - (D*s1234*s14*z1^2)/(2*s12*s123*z3) + 
   (2*s1234*s14*z1^2)/(s123*s124*z3) - (D*s1234*s14*z1^2)/(s123*s124*z3) + 
   (2*s1234*s14*z1^2)/(s123*s13*z3) - (D*s1234*s14*z1^2)/(s123*s13*z3) + 
   (s1234*s13*s14*z1^2)/(s12*s123*s124*z3) - (D*s1234*s13*s14*z1^2)/
    (2*s12*s123*s124*z3) + (2*s1234*s14*s23*z1^2)/(s12*s123*s124*z3) - 
   (D*s1234*s14*s23*z1^2)/(s12*s123*s124*z3) - (D*s1234*s14*s23*z1^2)/
    (2*s12*s123*s13*z3) + (3*s1234*s14*s23*z1^2)/(s123*s124*s13*z3) - 
   (D*s1234*s14*s23*z1^2)/(s123*s124*s13*z3) + (s1234*s14^2*s23*z1^2)/
    (s12*s123*s124*s13*z3) + (s1234*s14*s23^2*z1^2)/(s12*s123*s124*s13*z3) - 
   (D*s1234*s14*s23^2*z1^2)/(2*s12*s123*s124*s13*z3) + 
   (2*s1234*s24*z1^2)/(s12*s123*z3) - (D*s1234*s24*z1^2)/(2*s12*s123*z3) + 
   (4*s1234*s24*z1^2)/(s123*s124*z3) - (D*s1234*s24*z1^2)/(s123*s124*z3) + 
   (4*s1234*s24*z1^2)/(s123*s13*z3) - (D*s1234*s24*z1^2)/(s123*s13*z3) + 
   (2*s1234*s13*s24*z1^2)/(s12*s123*s124*z3) - (D*s1234*s13*s24*z1^2)/
    (2*s12*s123*s124*z3) - (2*s1234*s14*s24*z1^2)/(s12*s123*s124*z3) - 
   (2*s1234*s14*s24*z1^2)/(s12*s123*s13*z3) + (4*s1234*s23*s24*z1^2)/
    (s12*s123*s124*z3) - (D*s1234*s23*s24*z1^2)/(s12*s123*s124*z3) + 
   (3*s1234*s23*s24*z1^2)/(s12*s123*s13*z3) - (D*s1234*s23*s24*z1^2)/
    (2*s12*s123*s13*z3) + (3*s1234*s23*s24*z1^2)/(s123*s124*s13*z3) - 
   (D*s1234*s23*s24*z1^2)/(s123*s124*s13*z3) - (2*s1234*s14*s23*s24*z1^2)/
    (s12*s123*s124*s13*z3) + (2*s1234*s23^2*s24*z1^2)/
    (s12*s123*s124*s13*z3) - (D*s1234*s23^2*s24*z1^2)/
    (2*s12*s123*s124*s13*z3) + (2*s1234*s24^2*z1^2)/(s12*s123*s124*z3) + 
   (2*s1234*s24^2*z1^2)/(s12*s123*s13*z3) + (s1234*s23*s24^2*z1^2)/
    (s12*s123*s124*s13*z3) + (2*s1234*s34*z1^2)/(s12*s123*z3) - 
   (D*s1234*s34*z1^2)/(2*s12*s123*z3) - (D*s1234*s34*z1^2)/(4*s123*s124*z3) + 
   (3*s1234*s34*z1^2)/(s123*s13*z3) - (D*s1234*s34*z1^2)/(s123*s13*z3) - 
   (2*s12*s1234*s34*z1^2)/(s123*s124*s13*z3) + (D*s12*s1234*s34*z1^2)/
    (2*s123*s124*s13*z3) + (s1234*s13*s34*z1^2)/(s12*s123*s124*z3) - 
   (D*s1234*s13*s34*z1^2)/(4*s12*s123*s124*z3) - 
   (D*s1234*s14*s34*z1^2)/(4*s12*s123*s124*z3) - 
   (D*s1234*s14*s34*z1^2)/(2*s123*s124*s13*z3) + 
   (2*s1234*s23*s34*z1^2)/(s12*s123*s124*z3) - (D*s1234*s23*s34*z1^2)/
    (2*s12*s123*s124*z3) + (s1234*s23*s34*z1^2)/(s12*s123*s13*z3) - 
   (D*s1234*s23*s34*z1^2)/(2*s12*s123*s13*z3) + 
   (s1234*s23*s34*z1^2)/(s123*s124*s13*z3) - (D*s1234*s23*s34*z1^2)/
    (4*s123*s124*s13*z3) + (s1234*s14*s23*s34*z1^2)/(s12*s123*s124*s13*z3) - 
   (D*s1234*s14*s23*s34*z1^2)/(4*s12*s123*s124*s13*z3) + 
   (s1234*s23^2*s34*z1^2)/(s12*s123*s124*s13*z3) - 
   (D*s1234*s23^2*s34*z1^2)/(4*s12*s123*s124*s13*z3) - 
   (D*s1234*s24*s34*z1^2)/(4*s12*s123*s124*z3) + 
   (s1234*s24*s34*z1^2)/(s123*s124*s13*z3) - (D*s1234*s24*s34*z1^2)/
    (2*s123*s124*s13*z3) - (3*s1234*s14*s24*s34*z1^2)/
    (s12*s123*s124*s13*z3) + (s1234*s23*s24*s34*z1^2)/
    (s12*s123*s124*s13*z3) - (D*s1234*s23*s24*s34*z1^2)/
    (4*s12*s123*s124*s13*z3) + (s1234*s24^2*s34*z1^2)/
    (s12*s123*s124*s13*z3) + (s1234*s34^2*z1^2)/(s12*s123*s124*z3) - 
   (D*s1234*s34^2*z1^2)/(4*s12*s123*s124*z3) + 
   (s1234*s34^2*z1^2)/(s123*s124*s13*z3) - (D*s1234*s34^2*z1^2)/
    (2*s123*s124*s13*z3) + (s1234*s23*s34^2*z1^2)/(s12*s123*s124*s13*z3) - 
   (D*s1234*s23*s34^2*z1^2)/(4*s12*s123*s124*s13*z3) - 
   (s1234*s24*s34^2*z1^2)/(s12*s123*s124*s13*z3) + 
   (s1234*s14*s23*z1^3)/(s12*s123*s13*z12*z3) - 
   (s1234*s14*s23*z1^3)/(s123*s124*s13*z12*z3) - 
   (s1234*s14^2*s23*z1^3)/(s12*s123*s124*s13*z12*z3) + 
   (s1234*s24*z1^3)/(s123*s124*z12*z3) + (s1234*s24*z1^3)/(s123*s13*z12*z3) + 
   (s1234*s14*s24*z1^3)/(s12*s123*s124*z12*z3) + 
   (s1234*s14*s24*z1^3)/(s12*s123*s13*z12*z3) + 
   (s1234*s23*s24*z1^3)/(s12*s123*s13*z12*z3) - (s1234*s14*s23*s24*z1^3)/
    (s12*s123*s124*s13*z12*z3) + (s1234*s24^2*z1^3)/(s12*s123*s124*z12*z3) + 
   (s1234*s24^2*z1^3)/(s12*s123*s13*z12*z3) + (s1234*s23*s34*z1^3)/
    (s12*s123*s13*z12*z3) - (s1234*s23*s34*z1^3)/(s123*s124*s13*z12*z3) - 
   (s1234*s14*s23*s34*z1^3)/(s12*s123*s124*s13*z12*z3) - 
   (s1234*s24*s34*z1^3)/(s12*s123*s13*z12*z3) + (2*s1234*s24*s34*z1^3)/
    (s123*s124*s13*z12*z3) + (2*s1234*s14*s24*s34*z1^3)/
    (s12*s123*s124*s13*z12*z3) - (s1234*s23*s24*s34*z1^3)/
    (s12*s123*s124*s13*z12*z3) + (2*s1234*s24^2*s34*z1^3)/
    (s12*s123*s124*s13*z12*z3) + (s1234*s24*z1^3)/(s12*s123*z123*z3) + 
   (s1234*s24*z1^3)/(s123*s124*z123*z3) + (s1234*s24*z1^3)/
    (s123*s13*z123*z3) + (s1234*s13*s24*z1^3)/(s12*s123*s124*z123*z3) + 
   (s1234*s14*s24*z1^3)/(s12*s123*s124*z123*z3) + 
   (s1234*s14*s24*z1^3)/(s12*s123*s13*z123*z3) + 
   (2*s1234*s23*s24*z1^3)/(s12*s123*s124*z123*z3) + 
   (s1234*s23*s24*z1^3)/(s12*s123*s13*z123*z3) + 
   (s1234*s23*s24*z1^3)/(s123*s124*s13*z123*z3) + 
   (s1234*s14*s23*s24*z1^3)/(s12*s123*s124*s13*z123*z3) + 
   (s1234*s23^2*s24*z1^3)/(s12*s123*s124*s13*z123*z3) + 
   (s1234*s24^2*z1^3)/(s12*s123*s124*z123*z3) + 
   (s1234*s24^2*z1^3)/(s12*s123*s13*z123*z3) + (s1234*s23*s24^2*z1^3)/
    (s12*s123*s124*s13*z123*z3) + (2*s1234*s24*s34*z1^3)/
    (s12*s123*s124*z123*z3) + (s1234*s24*s34*z1^3)/(s12*s123*s13*z123*z3) + 
   (s1234*s24*s34*z1^3)/(s123*s124*s13*z123*z3) + 
   (s1234*s14*s24*s34*z1^3)/(s12*s123*s124*s13*z123*z3) + 
   (2*s1234*s23*s24*s34*z1^3)/(s12*s123*s124*s13*z123*z3) + 
   (s1234*s24^2*s34*z1^3)/(s12*s123*s124*s13*z123*z3) + 
   (s1234*s24*s34^2*z1^3)/(s12*s123*s124*s13*z123*z3) + 
   (3*s1234*s14*z1*z2)/(s12*s123*z3) + (4*s1234*s14*z1*z2)/(s123*s13*z3) - 
   (D*s1234*s14*z1*z2)/(s123*s13*z3) + (D*s1234*s13*s14*z1*z2)/
    (2*s12*s123*s124*z3) + (2*s1234*s14^2*z1*z2)/(s12*s123*s13*z3) - 
   (2*s1234*s14*z1*z2)/(s123*s23*z3) + (D*s1234*s14*z1*z2)/(s123*s23*z3) - 
   (s1234*s13*s14*z1*z2)/(s12*s123*s23*z3) + (D*s1234*s13*s14*z1*z2)/
    (2*s12*s123*s23*z3) - (2*s1234*s13*s14*z1*z2)/(s123*s124*s23*z3) + 
   (D*s1234*s13*s14*z1*z2)/(s123*s124*s23*z3) - (s1234*s13^2*s14*z1*z2)/
    (s12*s123*s124*s23*z3) + (D*s1234*s13^2*s14*z1*z2)/
    (2*s12*s123*s124*s23*z3) + (3*s1234*s14*s23*z1*z2)/(s12*s123*s124*z3) - 
   (D*s1234*s14*s23*z1*z2)/(2*s12*s123*s124*z3) + 
   (2*s1234*s14*s23*z1*z2)/(s12*s123*s13*z3) - (D*s1234*s14*s23*z1*z2)/
    (2*s12*s123*s13*z3) + (4*s1234*s14*s23*z1*z2)/(s123*s124*s13*z3) - 
   (D*s1234*s14*s23*z1*z2)/(s123*s124*s13*z3) + (2*s1234*s14^2*s23*z1*z2)/
    (s12*s123*s124*s13*z3) + (2*s1234*s14*s23^2*z1*z2)/
    (s12*s123*s124*s13*z3) - (D*s1234*s14*s23^2*z1*z2)/
    (2*s12*s123*s124*s13*z3) - (3*s1234*s24*z1*z2)/(s12*s123*z3) + 
   (2*s1234*s24*z1*z2)/(s123*s13*z3) - (D*s1234*s24*z1*z2)/(s123*s13*z3) - 
   (3*s1234*s13*s24*z1*z2)/(s12*s123*s124*z3) + (D*s1234*s13*s24*z1*z2)/
    (2*s12*s123*s124*z3) - (2*s1234*s14*s24*z1*z2)/(s12*s123*s13*z3) - 
   (4*s1234*s24*z1*z2)/(s123*s23*z3) + (D*s1234*s24*z1*z2)/(s123*s23*z3) - 
   (2*s1234*s13*s24*z1*z2)/(s12*s123*s23*z3) + (D*s1234*s13*s24*z1*z2)/
    (2*s12*s123*s23*z3) - (4*s1234*s13*s24*z1*z2)/(s123*s124*s23*z3) + 
   (D*s1234*s13*s24*z1*z2)/(s123*s124*s23*z3) - (2*s1234*s13^2*s24*z1*z2)/
    (s12*s123*s124*s23*z3) + (D*s1234*s13^2*s24*z1*z2)/
    (2*s12*s123*s124*s23*z3) + (2*s1234*s14*s24*z1*z2)/(s12*s123*s23*z3) + 
   (2*s1234*s13*s14*s24*z1*z2)/(s12*s123*s124*s23*z3) - 
   (D*s1234*s23*s24*z1*z2)/(2*s12*s123*s124*z3) + 
   (s1234*s23*s24*z1*z2)/(s12*s123*s13*z3) - (D*s1234*s23*s24*z1*z2)/
    (2*s12*s123*s13*z3) + (2*s1234*s23*s24*z1*z2)/(s123*s124*s13*z3) - 
   (D*s1234*s23*s24*z1*z2)/(s123*s124*s13*z3) - (2*s1234*s14*s23*s24*z1*z2)/
    (s12*s123*s124*s13*z3) + (s1234*s23^2*s24*z1*z2)/(s12*s123*s124*s13*z3) - 
   (D*s1234*s23^2*s24*z1*z2)/(2*s12*s123*s124*s13*z3) - 
   (2*s1234*s24^2*z1*z2)/(s12*s123*s23*z3) - (2*s1234*s13*s24^2*z1*z2)/
    (s12*s123*s124*s23*z3) + (4*s1234*s34*z1*z2)/(s123*s13*z3) - 
   (D*s1234*s34*z1*z2)/(s123*s13*z3) - (2*s12*s1234*s34*z1*z2)/
    (s123*s124*s13*z3) + (D*s12*s1234*s34*z1*z2)/(2*s123*s124*s13*z3) - 
   (s1234*s13*s34*z1*z2)/(s12*s123*s124*z3) + (D*s1234*s13*s34*z1*z2)/
    (4*s12*s123*s124*z3) + (4*s1234*s14*s34*z1*z2)/(s12*s123*s124*z3) + 
   (3*s1234*s14*s34*z1*z2)/(s12*s123*s13*z3) + (s1234*s14*s34*z1*z2)/
    (s123*s124*s13*z3) - (D*s1234*s14*s34*z1*z2)/(2*s123*s124*s13*z3) + 
   (s1234*s14^2*s34*z1*z2)/(s12*s123*s124*s13*z3) - 
   (4*s1234*s34*z1*z2)/(s123*s23*z3) + (D*s1234*s34*z1*z2)/(s123*s23*z3) + 
   (2*s12*s1234*s34*z1*z2)/(s123*s124*s23*z3) - (D*s12*s1234*s34*z1*z2)/
    (2*s123*s124*s23*z3) - (2*s1234*s13*s34*z1*z2)/(s12*s123*s23*z3) + 
   (D*s1234*s13*s34*z1*z2)/(2*s12*s123*s23*z3) - 
   (s1234*s13*s34*z1*z2)/(s123*s124*s23*z3) + (D*s1234*s13*s34*z1*z2)/
    (4*s123*s124*s23*z3) - (s1234*s13^2*s34*z1*z2)/(s12*s123*s124*s23*z3) + 
   (D*s1234*s13^2*s34*z1*z2)/(4*s12*s123*s124*s23*z3) + 
   (s1234*s14*s34*z1*z2)/(s12*s123*s23*z3) + (D*s1234*s14*s34*z1*z2)/
    (2*s123*s124*s23*z3) + (s1234*s13*s14*s34*z1*z2)/(s12*s123*s124*s23*z3) + 
   (D*s1234*s13*s14*s34*z1*z2)/(4*s12*s123*s124*s23*z3) + 
   (s1234*s23*s34*z1*z2)/(s12*s123*s124*z3) - (D*s1234*s23*s34*z1*z2)/
    (4*s12*s123*s124*z3) + (2*s1234*s23*s34*z1*z2)/(s12*s123*s13*z3) - 
   (D*s1234*s23*s34*z1*z2)/(2*s12*s123*s13*z3) + 
   (s1234*s23*s34*z1*z2)/(s123*s124*s13*z3) - (D*s1234*s23*s34*z1*z2)/
    (4*s123*s124*s13*z3) + (3*s1234*s14*s23*s34*z1*z2)/
    (s12*s123*s124*s13*z3) - (D*s1234*s14*s23*s34*z1*z2)/
    (4*s12*s123*s124*s13*z3) + (s1234*s23^2*s34*z1*z2)/
    (s12*s123*s124*s13*z3) - (D*s1234*s23^2*s34*z1*z2)/
    (4*s12*s123*s124*s13*z3) - (4*s1234*s24*s34*z1*z2)/(s12*s123*s124*z3) - 
   (s1234*s24*s34*z1*z2)/(s12*s123*s13*z3) - (D*s1234*s24*s34*z1*z2)/
    (2*s123*s124*s13*z3) - (3*s1234*s14*s24*s34*z1*z2)/
    (s12*s123*s124*s13*z3) - (3*s1234*s24*s34*z1*z2)/(s12*s123*s23*z3) - 
   (s1234*s24*s34*z1*z2)/(s123*s124*s23*z3) + (D*s1234*s24*s34*z1*z2)/
    (2*s123*s124*s23*z3) - (3*s1234*s13*s24*s34*z1*z2)/
    (s12*s123*s124*s23*z3) + (D*s1234*s13*s24*s34*z1*z2)/
    (4*s12*s123*s124*s23*z3) + (3*s1234*s14*s24*s34*z1*z2)/
    (s12*s123*s124*s23*z3) - (s1234*s23*s24*s34*z1*z2)/
    (s12*s123*s124*s13*z3) - (D*s1234*s23*s24*s34*z1*z2)/
    (4*s12*s123*s124*s13*z3) - (s1234*s24^2*s34*z1*z2)/
    (s12*s123*s124*s23*z3) + (s1234*s34^2*z1*z2)/(s12*s123*s13*z3) + 
   (s1234*s34^2*z1*z2)/(s123*s124*s13*z3) - (D*s1234*s34^2*z1*z2)/
    (2*s123*s124*s13*z3) + (s1234*s14*s34^2*z1*z2)/(s12*s123*s124*s13*z3) - 
   (s1234*s34^2*z1*z2)/(s12*s123*s23*z3) - (s1234*s34^2*z1*z2)/
    (s123*s124*s23*z3) + (D*s1234*s34^2*z1*z2)/(2*s123*s124*s23*z3) - 
   (s1234*s13*s34^2*z1*z2)/(s12*s123*s124*s23*z3) + 
   (D*s1234*s13*s34^2*z1*z2)/(4*s12*s123*s124*s23*z3) + 
   (2*s1234*s14*s34^2*z1*z2)/(s12*s123*s124*s23*z3) + 
   (s1234*s23*s34^2*z1*z2)/(s12*s123*s124*s13*z3) - 
   (D*s1234*s23*s34^2*z1*z2)/(4*s12*s123*s124*s13*z3) - 
   (2*s1234*s24*s34^2*z1*z2)/(s12*s123*s124*s13*z3) - 
   (s1234*s24*s34^2*z1*z2)/(s12*s123*s124*s23*z3) - 
   (2*s1234*s14*z1^2*z2)/(s12*s123*z12*z3) + (s1234*s14*z1^2*z2)/
    (s123*s124*z12*z3) - (s1234*s14*z1^2*z2)/(s123*s13*z12*z3) + 
   (s1234*s14^2*z1^2*z2)/(s12*s123*s124*z12*z3) - 
   (s1234*s14^2*z1^2*z2)/(s12*s123*s13*z12*z3) - 
   (s1234*s14*s23*z1^2*z2)/(s12*s123*s13*z12*z3) - 
   (2*s1234*s24*z1^2*z2)/(s12*s123*z12*z3) - (s1234*s24*z1^2*z2)/
    (s123*s13*z12*z3) + (s1234*s14*s24*z1^2*z2)/(s12*s123*s124*z12*z3) - 
   (2*s1234*s14*s24*z1^2*z2)/(s12*s123*s13*z12*z3) - 
   (s1234*s24*z1^2*z2)/(s123*s23*z12*z3) - (s1234*s13*s24*z1^2*z2)/
    (s123*s124*s23*z12*z3) - (s1234*s14*s24*z1^2*z2)/(s12*s123*s23*z12*z3) - 
   (s1234*s13*s14*s24*z1^2*z2)/(s12*s123*s124*s23*z12*z3) - 
   (s1234*s23*s24*z1^2*z2)/(s12*s123*s13*z12*z3) - 
   (s1234*s24^2*z1^2*z2)/(s12*s123*s13*z12*z3) - 
   (s1234*s24^2*z1^2*z2)/(s12*s123*s23*z12*z3) - (s1234*s13*s24^2*z1^2*z2)/
    (s12*s123*s124*s23*z12*z3) - (2*s1234*s34*z1^2*z2)/(s123*s124*z12*z3) + 
   (s1234*s34*z1^2*z2)/(s123*s13*z12*z3) - (2*s12*s1234*s34*z1^2*z2)/
    (s123*s124*s13*z12*z3) - (2*s1234*s14*s34*z1^2*z2)/
    (s12*s123*s124*z12*z3) - (2*s1234*s14*s34*z1^2*z2)/
    (s12*s123*s13*z12*z3) - (2*s1234*s14*s34*z1^2*z2)/
    (s123*s124*s13*z12*z3) - (s1234*s34*z1^2*z2)/(s123*s23*z12*z3) - 
   (s1234*s13*s34*z1^2*z2)/(s123*s124*s23*z12*z3) - 
   (s1234*s14*s34*z1^2*z2)/(s12*s123*s23*z12*z3) - 
   (s1234*s13*s14*s34*z1^2*z2)/(s12*s123*s124*s23*z12*z3) + 
   (s1234*s23*s34*z1^2*z2)/(s12*s123*s13*z12*z3) - 
   (2*s1234*s23*s34*z1^2*z2)/(s123*s124*s13*z12*z3) - 
   (2*s1234*s14*s23*s34*z1^2*z2)/(s12*s123*s124*s13*z12*z3) - 
   (2*s1234*s24*s34*z1^2*z2)/(s12*s123*s124*z12*z3) - 
   (2*s1234*s24*s34*z1^2*z2)/(s12*s123*s13*z12*z3) - 
   (2*s1234*s24*s34*z1^2*z2)/(s123*s124*s13*z12*z3) - 
   (2*s1234*s24*s34*z1^2*z2)/(s123*s124*s23*z12*z3) - 
   (s1234*s13*s24*s34*z1^2*z2)/(s12*s123*s124*s23*z12*z3) - 
   (2*s1234*s14*s24*s34*z1^2*z2)/(s12*s123*s124*s23*z12*z3) - 
   (2*s1234*s23*s24*s34*z1^2*z2)/(s12*s123*s124*s13*z12*z3) - 
   (2*s1234*s24^2*s34*z1^2*z2)/(s12*s123*s124*s23*z12*z3) - 
   (s1234*s34^2*z1^2*z2)/(s12*s123*s13*z12*z3) + 
   (s1234*s34^2*z1^2*z2)/(s12*s123*s23*z12*z3) - 
   (2*s1234*s34^2*z1^2*z2)/(s123*s124*s23*z12*z3) - 
   (2*s1234*s14*s34^2*z1^2*z2)/(s12*s123*s124*s23*z12*z3) - 
   (2*s1234*s24*s34^2*z1^2*z2)/(s12*s123*s124*s23*z12*z3) - 
   (s1234*s14*z1^2*z2)/(s12*s123*z123*z3) - (s1234*s14*z1^2*z2)/
    (s123*s124*z123*z3) - (s1234*s14*z1^2*z2)/(s123*s13*z123*z3) - 
   (s1234*s13*s14*z1^2*z2)/(s12*s123*s124*z123*z3) - 
   (s1234*s14^2*z1^2*z2)/(s12*s123*s124*z123*z3) - 
   (s1234*s14^2*z1^2*z2)/(s12*s123*s13*z123*z3) - 
   (2*s1234*s14*s23*z1^2*z2)/(s12*s123*s124*z123*z3) - 
   (s1234*s14*s23*z1^2*z2)/(s12*s123*s13*z123*z3) - 
   (s1234*s14*s23*z1^2*z2)/(s123*s124*s13*z123*z3) - 
   (s1234*s14^2*s23*z1^2*z2)/(s12*s123*s124*s13*z123*z3) - 
   (s1234*s14*s23^2*z1^2*z2)/(s12*s123*s124*s13*z123*z3) - 
   (2*s1234*s24*z1^2*z2)/(s12*s123*z123*z3) - (2*s1234*s24*z1^2*z2)/
    (s123*s124*z123*z3) - (s1234*s24*z1^2*z2)/(s123*s13*z123*z3) - 
   (3*s1234*s13*s24*z1^2*z2)/(s12*s123*s124*z123*z3) - 
   (3*s1234*s14*s24*z1^2*z2)/(s12*s123*s124*z123*z3) - 
   (2*s1234*s14*s24*z1^2*z2)/(s12*s123*s13*z123*z3) - 
   (s1234*s24*z1^2*z2)/(s123*s23*z123*z3) - (s1234*s13*s24*z1^2*z2)/
    (s12*s123*s23*z123*z3) - (s1234*s13*s24*z1^2*z2)/
    (s123*s124*s23*z123*z3) - (s1234*s13^2*s24*z1^2*z2)/
    (s12*s123*s124*s23*z123*z3) - (s1234*s14*s24*z1^2*z2)/
    (s12*s123*s23*z123*z3) - (s1234*s13*s14*s24*z1^2*z2)/
    (s12*s123*s124*s23*z123*z3) - (3*s1234*s23*s24*z1^2*z2)/
    (s12*s123*s124*z123*z3) - (s1234*s23*s24*z1^2*z2)/
    (s12*s123*s13*z123*z3) - (s1234*s23*s24*z1^2*z2)/
    (s123*s124*s13*z123*z3) - (2*s1234*s14*s23*s24*z1^2*z2)/
    (s12*s123*s124*s13*z123*z3) - (s1234*s23^2*s24*z1^2*z2)/
    (s12*s123*s124*s13*z123*z3) - (2*s1234*s24^2*z1^2*z2)/
    (s12*s123*s124*z123*z3) - (s1234*s24^2*z1^2*z2)/(s12*s123*s13*z123*z3) - 
   (s1234*s24^2*z1^2*z2)/(s12*s123*s23*z123*z3) - 
   (s1234*s13*s24^2*z1^2*z2)/(s12*s123*s124*s23*z123*z3) - 
   (s1234*s23*s24^2*z1^2*z2)/(s12*s123*s124*s13*z123*z3) - 
   (2*s1234*s34*z1^2*z2)/(s12*s123*z123*z3) + (2*s1234*s34*z1^2*z2)/
    (s123*s124*z123*z3) - (2*s1234*s34*z1^2*z2)/(s123*s13*z123*z3) + 
   (2*s12*s1234*s34*z1^2*z2)/(s123*s124*s13*z123*z3) - 
   (3*s1234*s14*s34*z1^2*z2)/(s12*s123*s13*z123*z3) + 
   (3*s1234*s14*s34*z1^2*z2)/(s123*s124*s13*z123*z3) + 
   (s1234*s14^2*s34*z1^2*z2)/(s12*s123*s124*s13*z123*z3) - 
   (2*s1234*s23*s34*z1^2*z2)/(s12*s123*s13*z123*z3) + 
   (2*s1234*s23*s34*z1^2*z2)/(s123*s124*s13*z123*z3) - 
   (2*s1234*s24*s34*z1^2*z2)/(s12*s123*s124*z123*z3) - 
   (3*s1234*s24*s34*z1^2*z2)/(s12*s123*s13*z123*z3) + 
   (3*s1234*s24*s34*z1^2*z2)/(s123*s124*s13*z123*z3) + 
   (2*s1234*s14*s24*s34*z1^2*z2)/(s12*s123*s124*s13*z123*z3) - 
   (s1234*s24*s34*z1^2*z2)/(s12*s123*s23*z123*z3) - 
   (s1234*s24*s34*z1^2*z2)/(s123*s124*s23*z123*z3) - 
   (2*s1234*s13*s24*s34*z1^2*z2)/(s12*s123*s124*s23*z123*z3) - 
   (s1234*s14*s24*s34*z1^2*z2)/(s12*s123*s124*s23*z123*z3) + 
   (s1234*s24^2*s34*z1^2*z2)/(s12*s123*s124*s13*z123*z3) - 
   (s1234*s24^2*s34*z1^2*z2)/(s12*s123*s124*s23*z123*z3) - 
   (2*s1234*s34^2*z1^2*z2)/(s12*s123*s13*z123*z3) + 
   (2*s1234*s34^2*z1^2*z2)/(s123*s124*s13*z123*z3) + 
   (s1234*s14*s34^2*z1^2*z2)/(s12*s123*s124*s13*z123*z3) + 
   (s1234*s24*s34^2*z1^2*z2)/(s12*s123*s124*s13*z123*z3) - 
   (s1234*s24*s34^2*z1^2*z2)/(s12*s123*s124*s23*z123*z3) + 
   (2*s1234*s34*z1^3*z2)/(s12*s123*z12*z123*z3) - 
   (2*s1234*s34*z1^3*z2)/(s123*s124*z12*z123*z3) + 
   (2*s1234*s34*z1^3*z2)/(s123*s13*z12*z123*z3) - 
   (2*s12*s1234*s34*z1^3*z2)/(s123*s124*s13*z12*z123*z3) - 
   (2*s1234*s14*s34*z1^3*z2)/(s12*s123*s124*z12*z123*z3) + 
   (2*s1234*s14*s34*z1^3*z2)/(s12*s123*s13*z12*z123*z3) - 
   (4*s1234*s14*s34*z1^3*z2)/(s123*s124*s13*z12*z123*z3) - 
   (2*s1234*s14^2*s34*z1^3*z2)/(s12*s123*s124*s13*z12*z123*z3) + 
   (2*s1234*s23*s34*z1^3*z2)/(s12*s123*s13*z12*z123*z3) - 
   (2*s1234*s23*s34*z1^3*z2)/(s123*s124*s13*z12*z123*z3) - 
   (2*s1234*s14*s23*s34*z1^3*z2)/(s12*s123*s124*s13*z12*z123*z3) - 
   (2*s1234*s24*s34*z1^3*z2)/(s12*s123*s124*z12*z123*z3) + 
   (2*s1234*s24*s34*z1^3*z2)/(s12*s123*s13*z12*z123*z3) - 
   (4*s1234*s24*s34*z1^3*z2)/(s123*s124*s13*z12*z123*z3) - 
   (4*s1234*s14*s24*s34*z1^3*z2)/(s12*s123*s124*s13*z12*z123*z3) - 
   (2*s1234*s23*s24*s34*z1^3*z2)/(s12*s123*s124*s13*z12*z123*z3) - 
   (2*s1234*s24^2*s34*z1^3*z2)/(s12*s123*s124*s13*z12*z123*z3) + 
   (2*s1234*s34^2*z1^3*z2)/(s12*s123*s13*z12*z123*z3) - 
   (2*s1234*s34^2*z1^3*z2)/(s123*s124*s13*z12*z123*z3) - 
   (2*s1234*s14*s34^2*z1^3*z2)/(s12*s123*s124*s13*z12*z123*z3) - 
   (2*s1234*s24*s34^2*z1^3*z2)/(s12*s123*s124*s13*z12*z123*z3) - 
   (2*s1234*s14*z2^2)/(s12*s123*z3) + (D*s1234*s14*z2^2)/(2*s12*s123*z3) - 
   (4*s1234*s14*z2^2)/(s123*s124*z3) + (D*s1234*s14*z2^2)/(s123*s124*z3) - 
   (4*s1234*s13*s14*z2^2)/(s12*s123*s124*z3) + (D*s1234*s13*s14*z2^2)/
    (s12*s123*s124*z3) - (2*s1234*s14^2*z2^2)/(s12*s123*s124*z3) - 
   (4*s1234*s14*z2^2)/(s123*s23*z3) + (D*s1234*s14*z2^2)/(s123*s23*z3) - 
   (3*s1234*s13*s14*z2^2)/(s12*s123*s23*z3) + (D*s1234*s13*s14*z2^2)/
    (2*s12*s123*s23*z3) - (3*s1234*s13*s14*z2^2)/(s123*s124*s23*z3) + 
   (D*s1234*s13*s14*z2^2)/(s123*s124*s23*z3) - (2*s1234*s13^2*s14*z2^2)/
    (s12*s123*s124*s23*z3) + (D*s1234*s13^2*s14*z2^2)/
    (2*s12*s123*s124*s23*z3) - (2*s1234*s14^2*z2^2)/(s12*s123*s23*z3) - 
   (s1234*s13*s14^2*z2^2)/(s12*s123*s124*s23*z3) - 
   (2*s1234*s14*s23*z2^2)/(s12*s123*s124*z3) + (D*s1234*s14*s23*z2^2)/
    (2*s12*s123*s124*z3) - (s1234*s24*z2^2)/(s12*s123*z3) + 
   (D*s1234*s24*z2^2)/(2*s12*s123*z3) - (2*s1234*s24*z2^2)/(s123*s124*z3) + 
   (D*s1234*s24*z2^2)/(s123*s124*z3) - (2*s1234*s13*s24*z2^2)/
    (s12*s123*s124*z3) + (D*s1234*s13*s24*z2^2)/(s12*s123*s124*z3) + 
   (2*s1234*s14*s24*z2^2)/(s12*s123*s124*z3) - 
   (2*s1234*s24*z2^2)/(s123*s23*z3) + (D*s1234*s24*z2^2)/(s123*s23*z3) + 
   (D*s1234*s13*s24*z2^2)/(2*s12*s123*s23*z3) - (3*s1234*s13*s24*z2^2)/
    (s123*s124*s23*z3) + (D*s1234*s13*s24*z2^2)/(s123*s124*s23*z3) - 
   (s1234*s13^2*s24*z2^2)/(s12*s123*s124*s23*z3) + 
   (D*s1234*s13^2*s24*z2^2)/(2*s12*s123*s124*s23*z3) + 
   (2*s1234*s14*s24*z2^2)/(s12*s123*s23*z3) + (2*s1234*s13*s14*s24*z2^2)/
    (s12*s123*s124*s23*z3) - (s1234*s23*s24*z2^2)/(s12*s123*s124*z3) + 
   (D*s1234*s23*s24*z2^2)/(2*s12*s123*s124*z3) - 
   (s1234*s13*s24^2*z2^2)/(s12*s123*s124*s23*z3) - 
   (2*s1234*s34*z2^2)/(s12*s123*z3) + (D*s1234*s34*z2^2)/(2*s12*s123*z3) + 
   (D*s1234*s34*z2^2)/(4*s123*s124*z3) - (2*s1234*s13*s34*z2^2)/
    (s12*s123*s124*z3) + (D*s1234*s13*s34*z2^2)/(2*s12*s123*s124*z3) + 
   (D*s1234*s14*s34*z2^2)/(4*s12*s123*s124*z3) - 
   (3*s1234*s34*z2^2)/(s123*s23*z3) + (D*s1234*s34*z2^2)/(s123*s23*z3) + 
   (2*s12*s1234*s34*z2^2)/(s123*s124*s23*z3) - (D*s12*s1234*s34*z2^2)/
    (2*s123*s124*s23*z3) - (s1234*s13*s34*z2^2)/(s12*s123*s23*z3) + 
   (D*s1234*s13*s34*z2^2)/(2*s12*s123*s23*z3) - 
   (s1234*s13*s34*z2^2)/(s123*s124*s23*z3) + (D*s1234*s13*s34*z2^2)/
    (4*s123*s124*s23*z3) - (s1234*s13^2*s34*z2^2)/(s12*s123*s124*s23*z3) + 
   (D*s1234*s13^2*s34*z2^2)/(4*s12*s123*s124*s23*z3) - 
   (s1234*s14*s34*z2^2)/(s123*s124*s23*z3) + (D*s1234*s14*s34*z2^2)/
    (2*s123*s124*s23*z3) - (s1234*s13*s14*s34*z2^2)/(s12*s123*s124*s23*z3) + 
   (D*s1234*s13*s14*s34*z2^2)/(4*s12*s123*s124*s23*z3) - 
   (s1234*s14^2*s34*z2^2)/(s12*s123*s124*s23*z3) - 
   (s1234*s23*s34*z2^2)/(s12*s123*s124*z3) + (D*s1234*s23*s34*z2^2)/
    (4*s12*s123*s124*z3) + (D*s1234*s24*s34*z2^2)/(4*s12*s123*s124*z3) + 
   (D*s1234*s24*s34*z2^2)/(2*s123*s124*s23*z3) - 
   (s1234*s13*s24*s34*z2^2)/(s12*s123*s124*s23*z3) + 
   (D*s1234*s13*s24*s34*z2^2)/(4*s12*s123*s124*s23*z3) + 
   (3*s1234*s14*s24*s34*z2^2)/(s12*s123*s124*s23*z3) - 
   (s1234*s34^2*z2^2)/(s12*s123*s124*z3) + (D*s1234*s34^2*z2^2)/
    (4*s12*s123*s124*z3) - (s1234*s34^2*z2^2)/(s123*s124*s23*z3) + 
   (D*s1234*s34^2*z2^2)/(2*s123*s124*s23*z3) - (s1234*s13*s34^2*z2^2)/
    (s12*s123*s124*s23*z3) + (D*s1234*s13*s34^2*z2^2)/
    (4*s12*s123*s124*s23*z3) + (s1234*s14*s34^2*z2^2)/
    (s12*s123*s124*s23*z3) + (2*s1234*s14*z1*z2^2)/(s12*s123*z12*z3) + 
   (s1234*s14*z1*z2^2)/(s123*s13*z12*z3) + (s1234*s14^2*z1*z2^2)/
    (s12*s123*s13*z12*z3) + (s1234*s14*z1*z2^2)/(s123*s23*z12*z3) + 
   (s1234*s13*s14*z1*z2^2)/(s12*s123*s23*z12*z3) + 
   (s1234*s14^2*z1*z2^2)/(s12*s123*s23*z12*z3) + 
   (s1234*s14*s23*z1*z2^2)/(s123*s124*s13*z12*z3) + 
   (s1234*s14^2*s23*z1*z2^2)/(s12*s123*s124*s13*z12*z3) + 
   (2*s1234*s24*z1*z2^2)/(s12*s123*z12*z3) - (s1234*s24*z1*z2^2)/
    (s123*s124*z12*z3) - (s1234*s14*s24*z1*z2^2)/(s12*s123*s124*z12*z3) + 
   (s1234*s14*s24*z1*z2^2)/(s12*s123*s13*z12*z3) + 
   (s1234*s24*z1*z2^2)/(s123*s23*z12*z3) + (s1234*s13*s24*z1*z2^2)/
    (s12*s123*s23*z12*z3) + (2*s1234*s14*s24*z1*z2^2)/(s12*s123*s23*z12*z3) + 
   (s1234*s14*s23*s24*z1*z2^2)/(s12*s123*s124*s13*z12*z3) - 
   (s1234*s24^2*z1*z2^2)/(s12*s123*s124*z12*z3) + 
   (s1234*s24^2*z1*z2^2)/(s12*s123*s23*z12*z3) + 
   (2*s1234*s34*z1*z2^2)/(s123*s124*z12*z3) + (s1234*s34*z1*z2^2)/
    (s123*s13*z12*z3) + (2*s1234*s14*s34*z1*z2^2)/(s12*s123*s124*z12*z3) + 
   (2*s1234*s14*s34*z1*z2^2)/(s123*s124*s13*z12*z3) + 
   (2*s1234*s14^2*s34*z1*z2^2)/(s12*s123*s124*s13*z12*z3) - 
   (s1234*s34*z1*z2^2)/(s123*s23*z12*z3) + (2*s12*s1234*s34*z1*z2^2)/
    (s123*s124*s23*z12*z3) - (s1234*s13*s34*z1*z2^2)/(s12*s123*s23*z12*z3) + 
   (2*s1234*s13*s34*z1*z2^2)/(s123*s124*s23*z12*z3) + 
   (2*s1234*s14*s34*z1*z2^2)/(s12*s123*s23*z12*z3) + 
   (2*s1234*s14*s34*z1*z2^2)/(s123*s124*s23*z12*z3) + 
   (2*s1234*s13*s14*s34*z1*z2^2)/(s12*s123*s124*s23*z12*z3) + 
   (s1234*s23*s34*z1*z2^2)/(s123*s124*s13*z12*z3) + 
   (s1234*s14*s23*s34*z1*z2^2)/(s12*s123*s124*s13*z12*z3) + 
   (2*s1234*s24*s34*z1*z2^2)/(s12*s123*s124*z12*z3) + 
   (s1234*s24*s34*z1*z2^2)/(s12*s123*s13*z12*z3) + 
   (2*s1234*s14*s24*s34*z1*z2^2)/(s12*s123*s124*s13*z12*z3) + 
   (2*s1234*s24*s34*z1*z2^2)/(s12*s123*s23*z12*z3) + 
   (2*s1234*s24*s34*z1*z2^2)/(s123*s124*s23*z12*z3) + 
   (2*s1234*s13*s24*s34*z1*z2^2)/(s12*s123*s124*s23*z12*z3) + 
   (s1234*s23*s24*s34*z1*z2^2)/(s12*s123*s124*s13*z12*z3) - 
   (s1234*s34^2*z1*z2^2)/(s12*s123*s13*z12*z3) + 
   (2*s1234*s34^2*z1*z2^2)/(s123*s124*s13*z12*z3) + 
   (2*s1234*s14*s34^2*z1*z2^2)/(s12*s123*s124*s13*z12*z3) + 
   (s1234*s34^2*z1*z2^2)/(s12*s123*s23*z12*z3) + (2*s1234*s24*s34^2*z1*z2^2)/
    (s12*s123*s124*s13*z12*z3) + (2*s1234*s14*z1*z2^2)/(s12*s123*z123*z3) + 
   (2*s1234*s14*z1*z2^2)/(s123*s124*z123*z3) + (s1234*s14*z1*z2^2)/
    (s123*s13*z123*z3) + (3*s1234*s13*s14*z1*z2^2)/(s12*s123*s124*z123*z3) + 
   (2*s1234*s14^2*z1*z2^2)/(s12*s123*s124*z123*z3) + 
   (s1234*s14^2*z1*z2^2)/(s12*s123*s13*z123*z3) + 
   (s1234*s14*z1*z2^2)/(s123*s23*z123*z3) + (s1234*s13*s14*z1*z2^2)/
    (s12*s123*s23*z123*z3) + (s1234*s13*s14*z1*z2^2)/
    (s123*s124*s23*z123*z3) + (s1234*s13^2*s14*z1*z2^2)/
    (s12*s123*s124*s23*z123*z3) + (s1234*s14^2*z1*z2^2)/
    (s12*s123*s23*z123*z3) + (s1234*s13*s14^2*z1*z2^2)/
    (s12*s123*s124*s23*z123*z3) + (3*s1234*s14*s23*z1*z2^2)/
    (s12*s123*s124*z123*z3) + (s1234*s14*s23*z1*z2^2)/
    (s12*s123*s13*z123*z3) + (s1234*s14*s23*z1*z2^2)/
    (s123*s124*s13*z123*z3) + (s1234*s14^2*s23*z1*z2^2)/
    (s12*s123*s124*s13*z123*z3) + (s1234*s14*s23^2*z1*z2^2)/
    (s12*s123*s124*s13*z123*z3) + (s1234*s24*z1*z2^2)/(s12*s123*z123*z3) + 
   (s1234*s24*z1*z2^2)/(s123*s124*z123*z3) + (2*s1234*s13*s24*z1*z2^2)/
    (s12*s123*s124*z123*z3) + (3*s1234*s14*s24*z1*z2^2)/
    (s12*s123*s124*z123*z3) + (s1234*s14*s24*z1*z2^2)/
    (s12*s123*s13*z123*z3) + (s1234*s24*z1*z2^2)/(s123*s23*z123*z3) + 
   (s1234*s13*s24*z1*z2^2)/(s12*s123*s23*z123*z3) + 
   (s1234*s13*s24*z1*z2^2)/(s123*s124*s23*z123*z3) + 
   (s1234*s13^2*s24*z1*z2^2)/(s12*s123*s124*s23*z123*z3) + 
   (2*s1234*s14*s24*z1*z2^2)/(s12*s123*s23*z123*z3) + 
   (2*s1234*s13*s14*s24*z1*z2^2)/(s12*s123*s124*s23*z123*z3) + 
   (s1234*s23*s24*z1*z2^2)/(s12*s123*s124*z123*z3) + 
   (s1234*s14*s23*s24*z1*z2^2)/(s12*s123*s124*s13*z123*z3) + 
   (s1234*s24^2*z1*z2^2)/(s12*s123*s124*z123*z3) + 
   (s1234*s24^2*z1*z2^2)/(s12*s123*s23*z123*z3) + 
   (s1234*s13*s24^2*z1*z2^2)/(s12*s123*s124*s23*z123*z3) + 
   (2*s1234*s34*z1*z2^2)/(s12*s123*z123*z3) - (2*s1234*s34*z1*z2^2)/
    (s123*s124*z123*z3) + (2*s1234*s14*s34*z1*z2^2)/(s12*s123*s124*z123*z3) + 
   (s1234*s14*s34*z1*z2^2)/(s12*s123*s13*z123*z3) + 
   (s1234*s14*s34*z1*z2^2)/(s123*s124*s13*z123*z3) + 
   (s1234*s14^2*s34*z1*z2^2)/(s12*s123*s124*s13*z123*z3) + 
   (2*s1234*s34*z1*z2^2)/(s123*s23*z123*z3) - (2*s12*s1234*s34*z1*z2^2)/
    (s123*s124*s23*z123*z3) + (2*s1234*s13*s34*z1*z2^2)/
    (s12*s123*s23*z123*z3) - (2*s1234*s13*s34*z1*z2^2)/
    (s123*s124*s23*z123*z3) + (3*s1234*s14*s34*z1*z2^2)/
    (s12*s123*s23*z123*z3) - (3*s1234*s14*s34*z1*z2^2)/
    (s123*s124*s23*z123*z3) - (s1234*s14^2*s34*z1*z2^2)/
    (s12*s123*s124*s23*z123*z3) + (2*s1234*s14*s23*s34*z1*z2^2)/
    (s12*s123*s124*s13*z123*z3) + (s1234*s14*s24*s34*z1*z2^2)/
    (s12*s123*s124*s13*z123*z3) + (3*s1234*s24*s34*z1*z2^2)/
    (s12*s123*s23*z123*z3) - (3*s1234*s24*s34*z1*z2^2)/
    (s123*s124*s23*z123*z3) - (2*s1234*s14*s24*s34*z1*z2^2)/
    (s12*s123*s124*s23*z123*z3) - (s1234*s24^2*s34*z1*z2^2)/
    (s12*s123*s124*s23*z123*z3) + (s1234*s14*s34^2*z1*z2^2)/
    (s12*s123*s124*s13*z123*z3) + (2*s1234*s34^2*z1*z2^2)/
    (s12*s123*s23*z123*z3) - (2*s1234*s34^2*z1*z2^2)/
    (s123*s124*s23*z123*z3) - (s1234*s14*s34^2*z1*z2^2)/
    (s12*s123*s124*s23*z123*z3) - (s1234*s24*s34^2*z1*z2^2)/
    (s12*s123*s124*s23*z123*z3) + (2*s1234*s34*z1^2*z2^2)/
    (s123*s13*z12*z123*z3) - (2*s12*s1234*s34*z1^2*z2^2)/
    (s123*s124*s13*z12*z123*z3) + (2*s1234*s14*s34*z1^2*z2^2)/
    (s12*s123*s13*z12*z123*z3) - (4*s1234*s14*s34*z1^2*z2^2)/
    (s123*s124*s13*z12*z123*z3) - (2*s1234*s14^2*s34*z1^2*z2^2)/
    (s12*s123*s124*s13*z12*z123*z3) - (2*s1234*s34*z1^2*z2^2)/
    (s123*s23*z12*z123*z3) + (2*s12*s1234*s34*z1^2*z2^2)/
    (s123*s124*s23*z12*z123*z3) - (2*s1234*s13*s34*z1^2*z2^2)/
    (s12*s123*s23*z12*z123*z3) + (2*s1234*s13*s34*z1^2*z2^2)/
    (s123*s124*s23*z12*z123*z3) - (2*s1234*s14*s34*z1^2*z2^2)/
    (s12*s123*s23*z12*z123*z3) + (4*s1234*s14*s34*z1^2*z2^2)/
    (s123*s124*s23*z12*z123*z3) + (2*s1234*s13*s14*s34*z1^2*z2^2)/
    (s12*s123*s124*s23*z12*z123*z3) + (2*s1234*s14^2*s34*z1^2*z2^2)/
    (s12*s123*s124*s23*z12*z123*z3) + (2*s1234*s23*s34*z1^2*z2^2)/
    (s12*s123*s13*z12*z123*z3) - (2*s1234*s23*s34*z1^2*z2^2)/
    (s123*s124*s13*z12*z123*z3) - (2*s1234*s14*s23*s34*z1^2*z2^2)/
    (s12*s123*s124*s13*z12*z123*z3) + (2*s1234*s24*s34*z1^2*z2^2)/
    (s12*s123*s13*z12*z123*z3) - (4*s1234*s24*s34*z1^2*z2^2)/
    (s123*s124*s13*z12*z123*z3) - (4*s1234*s14*s24*s34*z1^2*z2^2)/
    (s12*s123*s124*s13*z12*z123*z3) - (2*s1234*s24*s34*z1^2*z2^2)/
    (s12*s123*s23*z12*z123*z3) + (4*s1234*s24*s34*z1^2*z2^2)/
    (s123*s124*s23*z12*z123*z3) + (2*s1234*s13*s24*s34*z1^2*z2^2)/
    (s12*s123*s124*s23*z12*z123*z3) + (4*s1234*s14*s24*s34*z1^2*z2^2)/
    (s12*s123*s124*s23*z12*z123*z3) - (2*s1234*s23*s24*s34*z1^2*z2^2)/
    (s12*s123*s124*s13*z12*z123*z3) - (2*s1234*s24^2*s34*z1^2*z2^2)/
    (s12*s123*s124*s13*z12*z123*z3) + (2*s1234*s24^2*s34*z1^2*z2^2)/
    (s12*s123*s124*s23*z12*z123*z3) + (2*s1234*s34^2*z1^2*z2^2)/
    (s12*s123*s13*z12*z123*z3) - (2*s1234*s34^2*z1^2*z2^2)/
    (s123*s124*s13*z12*z123*z3) - (2*s1234*s14*s34^2*z1^2*z2^2)/
    (s12*s123*s124*s13*z12*z123*z3) - (2*s1234*s34^2*z1^2*z2^2)/
    (s12*s123*s23*z12*z123*z3) + (2*s1234*s34^2*z1^2*z2^2)/
    (s123*s124*s23*z12*z123*z3) + (2*s1234*s14*s34^2*z1^2*z2^2)/
    (s12*s123*s124*s23*z12*z123*z3) - (2*s1234*s24*s34^2*z1^2*z2^2)/
    (s12*s123*s124*s13*z12*z123*z3) + (2*s1234*s24*s34^2*z1^2*z2^2)/
    (s12*s123*s124*s23*z12*z123*z3) - (s1234*s14*z2^3)/(s123*s124*z12*z3) - 
   (s1234*s14^2*z2^3)/(s12*s123*s124*z12*z3) - 
   (s1234*s14*z2^3)/(s123*s23*z12*z3) - (s1234*s13*s14*z2^3)/
    (s12*s123*s23*z12*z3) - (s1234*s14^2*z2^3)/(s12*s123*s23*z12*z3) - 
   (s1234*s14*s24*z2^3)/(s12*s123*s124*z12*z3) - 
   (s1234*s13*s24*z2^3)/(s12*s123*s23*z12*z3) + 
   (s1234*s13*s24*z2^3)/(s123*s124*s23*z12*z3) - 
   (s1234*s14*s24*z2^3)/(s12*s123*s23*z12*z3) + (s1234*s13*s14*s24*z2^3)/
    (s12*s123*s124*s23*z12*z3) + (s1234*s13*s24^2*z2^3)/
    (s12*s123*s124*s23*z12*z3) - (s1234*s13*s34*z2^3)/(s12*s123*s23*z12*z3) + 
   (s1234*s13*s34*z2^3)/(s123*s124*s23*z12*z3) + 
   (s1234*s14*s34*z2^3)/(s12*s123*s23*z12*z3) - (2*s1234*s14*s34*z2^3)/
    (s123*s124*s23*z12*z3) + (s1234*s13*s14*s34*z2^3)/
    (s12*s123*s124*s23*z12*z3) - (2*s1234*s14^2*s34*z2^3)/
    (s12*s123*s124*s23*z12*z3) + (s1234*s13*s24*s34*z2^3)/
    (s12*s123*s124*s23*z12*z3) - (2*s1234*s14*s24*s34*z2^3)/
    (s12*s123*s124*s23*z12*z3) - (s1234*s14*z2^3)/(s12*s123*z123*z3) - 
   (s1234*s14*z2^3)/(s123*s124*z123*z3) - (2*s1234*s13*s14*z2^3)/
    (s12*s123*s124*z123*z3) - (s1234*s14^2*z2^3)/(s12*s123*s124*z123*z3) - 
   (s1234*s14*z2^3)/(s123*s23*z123*z3) - (s1234*s13*s14*z2^3)/
    (s12*s123*s23*z123*z3) - (s1234*s13*s14*z2^3)/(s123*s124*s23*z123*z3) - 
   (s1234*s13^2*s14*z2^3)/(s12*s123*s124*s23*z123*z3) - 
   (s1234*s14^2*z2^3)/(s12*s123*s23*z123*z3) - (s1234*s13*s14^2*z2^3)/
    (s12*s123*s124*s23*z123*z3) - (s1234*s14*s23*z2^3)/
    (s12*s123*s124*z123*z3) - (s1234*s14*s24*z2^3)/(s12*s123*s124*z123*z3) - 
   (s1234*s14*s24*z2^3)/(s12*s123*s23*z123*z3) - 
   (s1234*s13*s14*s24*z2^3)/(s12*s123*s124*s23*z123*z3) - 
   (2*s1234*s14*s34*z2^3)/(s12*s123*s124*z123*z3) - 
   (s1234*s14*s34*z2^3)/(s12*s123*s23*z123*z3) - 
   (s1234*s14*s34*z2^3)/(s123*s124*s23*z123*z3) - 
   (2*s1234*s13*s14*s34*z2^3)/(s12*s123*s124*s23*z123*z3) - 
   (s1234*s14^2*s34*z2^3)/(s12*s123*s124*s23*z123*z3) - 
   (s1234*s14*s24*s34*z2^3)/(s12*s123*s124*s23*z123*z3) - 
   (s1234*s14*s34^2*z2^3)/(s12*s123*s124*s23*z123*z3) - 
   (2*s1234*s34*z1*z2^3)/(s12*s123*z12*z123*z3) + 
   (2*s1234*s34*z1*z2^3)/(s123*s124*z12*z123*z3) + 
   (2*s1234*s14*s34*z1*z2^3)/(s12*s123*s124*z12*z123*z3) - 
   (2*s1234*s34*z1*z2^3)/(s123*s23*z12*z123*z3) + 
   (2*s12*s1234*s34*z1*z2^3)/(s123*s124*s23*z12*z123*z3) - 
   (2*s1234*s13*s34*z1*z2^3)/(s12*s123*s23*z12*z123*z3) + 
   (2*s1234*s13*s34*z1*z2^3)/(s123*s124*s23*z12*z123*z3) - 
   (2*s1234*s14*s34*z1*z2^3)/(s12*s123*s23*z12*z123*z3) + 
   (4*s1234*s14*s34*z1*z2^3)/(s123*s124*s23*z12*z123*z3) + 
   (2*s1234*s13*s14*s34*z1*z2^3)/(s12*s123*s124*s23*z12*z123*z3) + 
   (2*s1234*s14^2*s34*z1*z2^3)/(s12*s123*s124*s23*z12*z123*z3) + 
   (2*s1234*s24*s34*z1*z2^3)/(s12*s123*s124*z12*z123*z3) - 
   (2*s1234*s24*s34*z1*z2^3)/(s12*s123*s23*z12*z123*z3) + 
   (4*s1234*s24*s34*z1*z2^3)/(s123*s124*s23*z12*z123*z3) + 
   (2*s1234*s13*s24*s34*z1*z2^3)/(s12*s123*s124*s23*z12*z123*z3) + 
   (4*s1234*s14*s24*s34*z1*z2^3)/(s12*s123*s124*s23*z12*z123*z3) + 
   (2*s1234*s24^2*s34*z1*z2^3)/(s12*s123*s124*s23*z12*z123*z3) - 
   (2*s1234*s34^2*z1*z2^3)/(s12*s123*s23*z12*z123*z3) + 
   (2*s1234*s34^2*z1*z2^3)/(s123*s124*s23*z12*z123*z3) + 
   (2*s1234*s14*s34^2*z1*z2^3)/(s12*s123*s124*s23*z12*z123*z3) + 
   (2*s1234*s24*s34^2*z1*z2^3)/(s12*s123*s124*s23*z12*z123*z3) + 
   (3*s12*s1234*z3)/(s123*s13) - (D*s12*s1234*z3)/(s123*s13) + 
   (2*s1234*s13*z3)/(s12*s123) - (D*s1234*s13*z3)/(s12*s123) - 
   (s1234*s14*z3)/(s12*s123) - (D*s1234*s14*z3)/(4*s12*s123) + 
   (5*s1234*s14*z3)/(s123*s124) - (2*D*s1234*s14*z3)/(s123*s124) + 
   (2*s12*s1234*s14*z3)/(s123*s124*s13) - (D*s12*s1234*s14*z3)/
    (2*s123*s124*s13) + (s1234*s13*s14*z3)/(s12*s123*s124) - 
   (D*s1234*s13*s14*z3)/(4*s12*s123*s124) + (4*s1234*s14^2*z3)/
    (s12*s123*s124) - (D*s1234*s14^2*z3)/(s12*s123*s124) + 
   (2*s1234*s14^2*z3)/(s123*s124*s13) - (D*s1234*s14^2*z3)/
    (2*s123*s124*s13) - (3*s12*s1234*z3)/(s123*s23) + 
   (D*s12*s1234*z3)/(s123*s23) - (s1234*s13*z3)/(s123*s23) + 
   (D*s1234*s13*z3)/(4*s123*s23) - (2*s1234*s14*z3)/(s123*s23) + 
   (D*s1234*s14*z3)/(2*s123*s23) + (s12*s1234*s14*z3)/(s123*s124*s23) - 
   (D*s12*s1234*s14*z3)/(2*s123*s124*s23) - (s1234*s14^2*z3)/
    (s123*s124*s23) + (D*s1234*s14^2*z3)/(2*s123*s124*s23) - 
   (2*s1234*s23*z3)/(s12*s123) + (D*s1234*s23*z3)/(s12*s123) + 
   (s1234*s23*z3)/(s123*s13) - (D*s1234*s23*z3)/(4*s123*s13) + 
   (4*s1234*s14*s23*z3)/(s12*s123*s124) - (3*D*s1234*s14*s23*z3)/
    (2*s12*s123*s124) + (D*s1234*s14*s23*z3)/(4*s12*s123*s13) + 
   (4*s1234*s14*s23*z3)/(s123*s124*s13) - (D*s1234*s14*s23*z3)/
    (s123*s124*s13) + (s1234*s14^2*s23*z3)/(s12*s123*s124*s13) + 
   (s1234*s14*s23^2*z3)/(s12*s123*s124*s13) - (D*s1234*s14*s23^2*z3)/
    (4*s12*s123*s124*s13) + (s1234*s24*z3)/(s12*s123) + 
   (D*s1234*s24*z3)/(4*s12*s123) - (5*s1234*s24*z3)/(s123*s124) + 
   (2*D*s1234*s24*z3)/(s123*s124) + (2*s1234*s24*z3)/(s123*s13) - 
   (D*s1234*s24*z3)/(2*s123*s13) - (s12*s1234*s24*z3)/(s123*s124*s13) + 
   (D*s12*s1234*s24*z3)/(2*s123*s124*s13) - (4*s1234*s13*s24*z3)/
    (s12*s123*s124) + (3*D*s1234*s13*s24*z3)/(2*s12*s123*s124) + 
   (s1234*s14*s24*z3)/(s12*s123*s13) + (6*s1234*s14*s24*z3)/(s123*s124*s13) - 
   (D*s1234*s14*s24*z3)/(s123*s124*s13) + (3*s1234*s14^2*s24*z3)/
    (s12*s123*s124*s13) - (2*s12*s1234*s24*z3)/(s123*s124*s23) + 
   (D*s12*s1234*s24*z3)/(2*s123*s124*s23) - (D*s1234*s13*s24*z3)/
    (4*s12*s123*s23) - (4*s1234*s13*s24*z3)/(s123*s124*s23) + 
   (D*s1234*s13*s24*z3)/(s123*s124*s23) - (s1234*s13^2*s24*z3)/
    (s12*s123*s124*s23) + (D*s1234*s13^2*s24*z3)/(4*s12*s123*s124*s23) - 
   (s1234*s14*s24*z3)/(s12*s123*s23) - (6*s1234*s14*s24*z3)/(s123*s124*s23) + 
   (D*s1234*s14*s24*z3)/(s123*s124*s23) + (s1234*s14^2*s24*z3)/
    (s12*s123*s124*s23) - (s1234*s23*s24*z3)/(s12*s123*s124) + 
   (D*s1234*s23*s24*z3)/(4*s12*s123*s124) - (4*s1234*s24^2*z3)/
    (s12*s123*s124) + (D*s1234*s24^2*z3)/(s12*s123*s124) + 
   (s1234*s24^2*z3)/(s123*s124*s13) - (D*s1234*s24^2*z3)/(2*s123*s124*s13) - 
   (s1234*s14*s24^2*z3)/(s12*s123*s124*s13) - (2*s1234*s24^2*z3)/
    (s123*s124*s23) + (D*s1234*s24^2*z3)/(2*s123*s124*s23) - 
   (s1234*s13*s24^2*z3)/(s12*s123*s124*s23) - (3*s1234*s14*s24^2*z3)/
    (s12*s123*s124*s23) + (2*s1234*s14*z3)/(s123*s34) - 
   (D*s1234*s14*z3)/(4*s123*s34) + (2*s12*s1234*s14*z3)/(s123*s13*s34) - 
   (D*s12*s1234*s14*z3)/(2*s123*s13*s34) + (2*s1234*s13*s14*z3)/
    (s12*s123*s34) - (D*s1234*s13*s14*z3)/(2*s12*s123*s34) + 
   (D*s1234*s14^2*z3)/(4*s12*s123*s34) + (D*s1234*s14^2*z3)/
    (2*s123*s13*s34) + (D*s1234*s14*s23*z3)/(2*s12*s123*s34) + 
   (D*s1234*s14*s23*z3)/(4*s123*s13*s34) + (3*D*s1234*s14^2*s23*z3)/
    (4*s12*s123*s13*s34) - (2*s1234*s24*z3)/(s123*s34) + 
   (D*s1234*s24*z3)/(4*s123*s34) - (D*s1234*s13*s24*z3)/(2*s12*s123*s34) - 
   (s1234*s14*s24*z3)/(s123*s13*s34) + (D*s1234*s14*s24*z3)/
    (2*s123*s13*s34) + (3*s1234*s14^2*s24*z3)/(s12*s123*s13*s34) - 
   (2*s12*s1234*s24*z3)/(s123*s23*s34) + (D*s12*s1234*s24*z3)/
    (2*s123*s23*s34) - (D*s1234*s13*s24*z3)/(4*s123*s23*s34) + 
   (s1234*s14*s24*z3)/(s123*s23*s34) - (D*s1234*s14*s24*z3)/
    (2*s123*s23*s34) + (3*s1234*s13*s14*s24*z3)/(s12*s123*s23*s34) - 
   (3*D*s1234*s13*s14*s24*z3)/(4*s12*s123*s23*s34) + 
   (s1234*s14^2*s24*z3)/(s12*s123*s23*s34) - (2*s1234*s23*s24*z3)/
    (s12*s123*s34) + (D*s1234*s23*s24*z3)/(2*s12*s123*s34) - 
   (3*s1234*s14*s23*s24*z3)/(s12*s123*s13*s34) + (3*D*s1234*s14*s23*s24*z3)/
    (4*s12*s123*s13*s34) - (D*s1234*s24^2*z3)/(4*s12*s123*s34) - 
   (s1234*s14*s24^2*z3)/(s12*s123*s13*s34) - (D*s1234*s24^2*z3)/
    (2*s123*s23*s34) - (3*D*s1234*s13*s24^2*z3)/(4*s12*s123*s23*s34) - 
   (3*s1234*s14*s24^2*z3)/(s12*s123*s23*s34) - (2*s12*s1234*s34*z3)/
    (s123*s124*s13) + (D*s12*s1234*s34*z3)/(2*s123*s124*s13) + 
   (s1234*s14*s34*z3)/(s12*s123*s124) - (D*s1234*s14*s34*z3)/
    (2*s12*s123*s124) + (s1234*s14*s34*z3)/(s123*s124*s13) - 
   (D*s1234*s14*s34*z3)/(2*s123*s124*s13) + (2*s12*s1234*s34*z3)/
    (s123*s124*s23) - (D*s12*s1234*s34*z3)/(2*s123*s124*s23) + 
   (s1234*s13*s34*z3)/(s123*s124*s23) - (D*s1234*s13*s34*z3)/
    (4*s123*s124*s23) - (2*s1234*s14*s34*z3)/(s123*s124*s23) + 
   (D*s1234*s14*s34*z3)/(2*s123*s124*s23) - (s1234*s23*s34*z3)/
    (s123*s124*s13) + (D*s1234*s23*s34*z3)/(4*s123*s124*s13) - 
   (s1234*s14*s23*s34*z3)/(s12*s123*s124*s13) + (D*s1234*s14*s23*s34*z3)/
    (2*s12*s123*s124*s13) - (s1234*s24*s34*z3)/(s12*s123*s124) + 
   (D*s1234*s24*s34*z3)/(2*s12*s123*s124) + (2*s1234*s24*s34*z3)/
    (s123*s124*s13) - (D*s1234*s24*s34*z3)/(2*s123*s124*s13) + 
   (s1234*s14*s24*s34*z3)/(s12*s123*s124*s13) - 
   (s1234*s24*s34*z3)/(s123*s124*s23) + (D*s1234*s24*s34*z3)/
    (2*s123*s124*s23) + (s1234*s13*s24*s34*z3)/(s12*s123*s124*s23) - 
   (D*s1234*s13*s24*s34*z3)/(2*s12*s123*s124*s23) - 
   (s1234*s14*s24*s34*z3)/(s12*s123*s124*s23) + 
   (s1234*s34^2*z3)/(s123*s124*s13) - (D*s1234*s34^2*z3)/(2*s123*s124*s13) - 
   (s1234*s34^2*z3)/(s123*s124*s23) + (D*s1234*s34^2*z3)/(2*s123*s124*s23) + 
   (D*s1234*z1*z3)/(2*s123*z12) + (D*s12*s1234*z1*z3)/(4*s123*s13*z12) - 
   (s1234*s13*z1*z3)/(s12*s123*z12) + (D*s1234*s13*z1*z3)/(2*s12*s123*z12) + 
   (D*s1234*s14*z1*z3)/(4*s12*s123*z12) - (2*s1234*s14*z1*z3)/
    (s123*s124*z12) + (D*s1234*s14*z1*z3)/(2*s123*s124*z12) + 
   (s1234*s14*z1*z3)/(s123*s13*z12) - (D*s1234*s14*z1*z3)/(4*s123*s13*z12) + 
   (D*s12*s1234*s14*z1*z3)/(2*s123*s124*s13*z12) - 
   (2*s1234*s14^2*z1*z3)/(s12*s123*s124*z12) + (D*s1234*s14^2*z1*z3)/
    (2*s12*s123*s124*z12) + (D*s1234*s14^2*z1*z3)/(2*s123*s124*s13*z12) + 
   (s12*s1234*z1*z3)/(s123*s23*z12) - (D*s12*s1234*z1*z3)/(4*s123*s23*z12) + 
   (s1234*s13*z1*z3)/(s123*s23*z12) - (D*s1234*s13*z1*z3)/(4*s123*s23*z12) - 
   (s1234*s14*z1*z3)/(s123*s23*z12) + (D*s1234*s14*z1*z3)/(4*s123*s23*z12) + 
   (2*s12*s1234*s14*z1*z3)/(s123*s124*s23*z12) - 
   (D*s12*s1234*s14*z1*z3)/(2*s123*s124*s23*z12) + 
   (2*s1234*s14^2*z1*z3)/(s123*s124*s23*z12) - (D*s1234*s14^2*z1*z3)/
    (2*s123*s124*s23*z12) + (s1234*s23*z1*z3)/(s123*s13*z12) - 
   (D*s1234*s23*z1*z3)/(4*s123*s13*z12) - (D*s1234*s14*s23*z1*z3)/
    (4*s12*s123*s13*z12) + (s1234*s14*s23*z1*z3)/(s123*s124*s13*z12) - 
   (D*s1234*s14*s23*z1*z3)/(2*s123*s124*s13*z12) + 
   (s1234*s14^2*s23*z1*z3)/(s12*s123*s124*s13*z12) - 
   (D*s1234*s14^2*s23*z1*z3)/(2*s12*s123*s124*s13*z12) + 
   (s1234*s23^2*z1*z3)/(s12*s123*s13*z12) - (D*s1234*s23^2*z1*z3)/
    (2*s12*s123*s13*z12) + (s1234*s24*z1*z3)/(s12*s123*z12) + 
   (D*s1234*s24*z1*z3)/(4*s12*s123*z12) - (s1234*s24*z1*z3)/(s123*s124*z12) + 
   (D*s1234*s24*z1*z3)/(2*s123*s124*z12) + (2*s1234*s24*z1*z3)/
    (s123*s13*z12) - (D*s1234*s24*z1*z3)/(4*s123*s13*z12) - 
   (2*s12*s1234*s24*z1*z3)/(s123*s124*s13*z12) + 
   (D*s12*s1234*s24*z1*z3)/(2*s123*s124*s13*z12) - 
   (3*s1234*s14*s24*z1*z3)/(s12*s123*s124*z12) + 
   (D*s1234*s14*s24*z1*z3)/(s12*s123*s124*z12) - 
   (4*s1234*s14*s24*z1*z3)/(s123*s124*s13*z12) + 
   (D*s1234*s14*s24*z1*z3)/(s123*s124*s13*z12) - (2*s1234*s14^2*s24*z1*z3)/
    (s12*s123*s124*s13*z12) + (s1234*s24*z1*z3)/(s123*s23*z12) + 
   (D*s1234*s24*z1*z3)/(4*s123*s23*z12) + (s12*s1234*s24*z1*z3)/
    (s123*s124*s23*z12) - (D*s12*s1234*s24*z1*z3)/(2*s123*s124*s23*z12) + 
   (s1234*s13*s24*z1*z3)/(s12*s123*s23*z12) + (s1234*s14*s24*z1*z3)/
    (s12*s123*s23*z12) + (2*s1234*s14*s24*z1*z3)/(s123*s124*s23*z12) - 
   (D*s1234*s14*s24*z1*z3)/(s123*s124*s23*z12) - 
   (s1234*s14^2*s24*z1*z3)/(s12*s123*s124*s23*z12) - 
   (D*s1234*s23*s24*z1*z3)/(4*s12*s123*s13*z12) + 
   (2*s1234*s23*s24*z1*z3)/(s123*s124*s13*z12) - 
   (D*s1234*s23*s24*z1*z3)/(2*s123*s124*s13*z12) + 
   (3*s1234*s14*s23*s24*z1*z3)/(s12*s123*s124*s13*z12) - 
   (D*s1234*s14*s23*s24*z1*z3)/(s12*s123*s124*s13*z12) - 
   (s1234*s24^2*z1*z3)/(s12*s123*s124*z12) + (D*s1234*s24^2*z1*z3)/
    (2*s12*s123*s124*z12) - (2*s1234*s24^2*z1*z3)/(s123*s124*s13*z12) + 
   (D*s1234*s24^2*z1*z3)/(2*s123*s124*s13*z12) - (2*s1234*s14*s24^2*z1*z3)/
    (s12*s123*s124*s13*z12) + (s1234*s24^2*z1*z3)/(s12*s123*s23*z12) + 
   (2*s1234*s24^2*z1*z3)/(s123*s124*s23*z12) - (D*s1234*s24^2*z1*z3)/
    (2*s123*s124*s23*z12) + (2*s1234*s23*s24^2*z1*z3)/
    (s12*s123*s124*s13*z12) - (D*s1234*s23*s24^2*z1*z3)/
    (2*s12*s123*s124*s13*z12) + (s1234*s24^3*z1*z3)/(s12*s123*s124*s23*z12) + 
   (D*s1234*s14*z1*z3)/(4*s123*s34*z12) + (s12*s1234*s14*z1*z3)/
    (s123*s13*s34*z12) - (s1234*s13*s14*z1*z3)/(s12*s123*s34*z12) + 
   (D*s1234*s13*s14*z1*z3)/(4*s12*s123*s34*z12) - 
   (s1234*s14^2*z1*z3)/(s12*s123*s34*z12) + (D*s1234*s14^2*z1*z3)/
    (4*s12*s123*s34*z12) + (s1234*s14^2*z1*z3)/(s123*s13*s34*z12) - 
   (s1234*s14*s23*z1*z3)/(s12*s123*s34*z12) + (s1234*s14*s23*z1*z3)/
    (s123*s13*s34*z12) - (D*s1234*s14*s23*z1*z3)/(4*s123*s13*s34*z12) - 
   (D*s1234*s14^2*s23*z1*z3)/(4*s12*s123*s13*s34*z12) - 
   (D*s1234*s14*s23^2*z1*z3)/(4*s12*s123*s13*s34*z12) + 
   (D*s1234*s24*z1*z3)/(4*s123*s34*z12) + (D*s1234*s13*s24*z1*z3)/
    (4*s12*s123*s34*z12) - (4*s1234*s14*s24*z1*z3)/(s12*s123*s34*z12) + 
   (D*s1234*s14*s24*z1*z3)/(2*s12*s123*s34*z12) - 
   (s1234*s14*s24*z1*z3)/(s123*s13*s34*z12) - (2*s1234*s14^2*s24*z1*z3)/
    (s12*s123*s13*s34*z12) - (s1234*s14*s24*z1*z3)/(s123*s23*s34*z12) - 
   (s1234*s13*s14*s24*z1*z3)/(s12*s123*s23*s34*z12) - 
   (s1234*s14^2*s24*z1*z3)/(s12*s123*s23*s34*z12) + 
   (s1234*s23*s24*z1*z3)/(s12*s123*s34*z12) + (s1234*s23*s24*z1*z3)/
    (s123*s13*s34*z12) - (D*s1234*s23*s24*z1*z3)/(4*s123*s13*s34*z12) - 
   (s1234*s14*s23*s24*z1*z3)/(s12*s123*s13*s34*z12) - 
   (D*s1234*s14*s23*s24*z1*z3)/(2*s12*s123*s13*s34*z12) + 
   (s1234*s23^2*s24*z1*z3)/(s12*s123*s13*s34*z12) - 
   (D*s1234*s23^2*s24*z1*z3)/(4*s12*s123*s13*s34*z12) + 
   (s1234*s24^2*z1*z3)/(s12*s123*s34*z12) + (D*s1234*s24^2*z1*z3)/
    (4*s12*s123*s34*z12) - (2*s1234*s14*s24^2*z1*z3)/(s12*s123*s13*s34*z12) + 
   (s1234*s24^2*z1*z3)/(s123*s23*s34*z12) + (s1234*s13*s24^2*z1*z3)/
    (s12*s123*s23*s34*z12) + (s1234*s23*s24^2*z1*z3)/(s12*s123*s13*s34*z12) - 
   (D*s1234*s23*s24^2*z1*z3)/(4*s12*s123*s13*s34*z12) + 
   (s1234*s24^3*z1*z3)/(s12*s123*s23*s34*z12) - 
   (s1234*s34*z1*z3)/(s123*s124*z12) + (D*s1234*s34*z1*z3)/
    (2*s123*s124*z12) - (D*s1234*s34*z1*z3)/(4*s123*s13*z12) + 
   (D*s12*s1234*s34*z1*z3)/(2*s123*s124*s13*z12) - 
   (s1234*s14*s34*z1*z3)/(s12*s123*s124*z12) + (D*s1234*s14*s34*z1*z3)/
    (2*s12*s123*s124*z12) + (D*s1234*s14*s34*z1*z3)/(2*s123*s124*s13*z12) + 
   (D*s1234*s34*z1*z3)/(4*s123*s23*z12) + (s12*s1234*s34*z1*z3)/
    (s123*s124*s23*z12) - (D*s12*s1234*s34*z1*z3)/(2*s123*s124*s23*z12) + 
   (s1234*s14*s34*z1*z3)/(s123*s124*s23*z12) - (D*s1234*s14*s34*z1*z3)/
    (2*s123*s124*s23*z12) + (s1234*s23*s34*z1*z3)/(s123*s124*s13*z12) - 
   (D*s1234*s23*s34*z1*z3)/(2*s123*s124*s13*z12) + 
   (s1234*s14*s23*s34*z1*z3)/(s12*s123*s124*s13*z12) - 
   (D*s1234*s14*s23*s34*z1*z3)/(2*s12*s123*s124*s13*z12) - 
   (s1234*s24*s34*z1*z3)/(s12*s123*s124*z12) + (D*s1234*s24*s34*z1*z3)/
    (2*s12*s123*s124*z12) + (D*s1234*s24*s34*z1*z3)/(2*s123*s124*s13*z12) + 
   (2*s1234*s24*s34*z1*z3)/(s123*s124*s23*z12) - 
   (D*s1234*s24*s34*z1*z3)/(2*s123*s124*s23*z12) + 
   (s1234*s14*s24*s34*z1*z3)/(s12*s123*s124*s23*z12) + 
   (s1234*s23*s24*s34*z1*z3)/(s12*s123*s124*s13*z12) - 
   (D*s1234*s23*s24*s34*z1*z3)/(2*s12*s123*s124*s13*z12) + 
   (s1234*s24^2*s34*z1*z3)/(s12*s123*s124*s23*z12) - 
   (2*s1234*z1*z3)/(s123*z123) - (D*s12*s1234*z1*z3)/(4*s123*s13*z123) - 
   (s1234*s13*z1*z3)/(s12*s123*z123) - (D*s1234*s14*z1*z3)/
    (4*s12*s123*z123) - (2*s1234*s14*z1*z3)/(s123*s124*z123) + 
   (D*s1234*s14*z1*z3)/(4*s123*s124*z123) - (D*s1234*s14*z1*z3)/
    (4*s123*s13*z123) - (s1234*s13*s14*z1*z3)/(s12*s123*s124*z123) + 
   (D*s1234*s13*s14*z1*z3)/(4*s12*s123*s124*z123) - 
   (s1234*s14^2*z1*z3)/(s12*s123*s124*z123) + (D*s1234*s14^2*z1*z3)/
    (4*s12*s123*s124*z123) - (s12*s1234*z1*z3)/(s123*s23*z123) + 
   (D*s12*s1234*z1*z3)/(4*s123*s23*z123) - (s1234*s13*z1*z3)/
    (s123*s23*z123) + (D*s1234*s13*z1*z3)/(4*s123*s23*z123) - 
   (s1234*s14*z1*z3)/(s123*s23*z123) + (D*s1234*s14*z1*z3)/
    (4*s123*s23*z123) - (s12*s1234*s14*z1*z3)/(s123*s124*s23*z123) - 
   (s1234*s13*s14*z1*z3)/(s123*s124*s23*z123) - 
   (s1234*s14^2*z1*z3)/(s123*s124*s23*z123) - 
   (s1234*s23*z1*z3)/(s12*s123*z123) - (D*s1234*s23*z1*z3)/
    (4*s123*s13*z123) - (2*s1234*s14*s23*z1*z3)/(s12*s123*s124*z123) + 
   (D*s1234*s14*s23*z1*z3)/(2*s12*s123*s124*z123) - 
   (D*s1234*s14*s23*z1*z3)/(4*s12*s123*s13*z123) - 
   (s1234*s14*s23*z1*z3)/(s123*s124*s13*z123) + (D*s1234*s14*s23*z1*z3)/
    (4*s123*s124*s13*z123) - (s1234*s14^2*s23*z1*z3)/
    (s12*s123*s124*s13*z123) + (D*s1234*s14^2*s23*z1*z3)/
    (4*s12*s123*s124*s13*z123) - (s1234*s14*s23^2*z1*z3)/
    (s12*s123*s124*s13*z123) + (D*s1234*s14*s23^2*z1*z3)/
    (4*s12*s123*s124*s13*z123) - (s1234*s24*z1*z3)/(s12*s123*z123) - 
   (D*s1234*s24*z1*z3)/(4*s12*s123*z123) + (2*s1234*s24*z1*z3)/
    (s123*s124*z123) + (D*s1234*s24*z1*z3)/(4*s123*s124*z123) + 
   (s1234*s24*z1*z3)/(s123*s13*z123) - (D*s1234*s24*z1*z3)/
    (4*s123*s13*z123) + (s1234*s13*s24*z1*z3)/(s12*s123*s124*z123) + 
   (D*s1234*s13*s24*z1*z3)/(4*s12*s123*s124*z123) - 
   (s1234*s14*s24*z1*z3)/(s12*s123*s124*z123) + (D*s1234*s14*s24*z1*z3)/
    (2*s12*s123*s124*z123) - (s1234*s14*s24*z1*z3)/(s12*s123*s13*z123) - 
   (2*s1234*s14*s24*z1*z3)/(s123*s124*s13*z123) - 
   (2*s1234*s14^2*s24*z1*z3)/(s12*s123*s124*s13*z123) - 
   (3*s1234*s24*z1*z3)/(s123*s23*z123) + (D*s1234*s24*z1*z3)/
    (4*s123*s23*z123) + (s12*s1234*s24*z1*z3)/(s123*s124*s23*z123) - 
   (s1234*s13*s24*z1*z3)/(s12*s123*s23*z123) + (s1234*s13*s24*z1*z3)/
    (s123*s124*s23*z123) - (s1234*s14*s24*z1*z3)/(s12*s123*s23*z123) + 
   (s1234*s14*s24*z1*z3)/(s123*s124*s23*z123) + (s1234*s13*s14*s24*z1*z3)/
    (s12*s123*s124*s23*z123) + (s1234*s14^2*s24*z1*z3)/
    (s12*s123*s124*s23*z123) + (D*s1234*s23*s24*z1*z3)/
    (2*s12*s123*s124*z123) + (2*s1234*s23*s24*z1*z3)/(s12*s123*s13*z123) - 
   (D*s1234*s23*s24*z1*z3)/(4*s12*s123*s13*z123) - 
   (s1234*s23*s24*z1*z3)/(s123*s124*s13*z123) + (D*s1234*s23*s24*z1*z3)/
    (4*s123*s124*s13*z123) - (4*s1234*s14*s23*s24*z1*z3)/
    (s12*s123*s124*s13*z123) + (D*s1234*s14*s23*s24*z1*z3)/
    (2*s12*s123*s124*s13*z123) - (s1234*s23^2*s24*z1*z3)/
    (s12*s123*s124*s13*z123) + (D*s1234*s23^2*s24*z1*z3)/
    (4*s12*s123*s124*s13*z123) + (2*s1234*s24^2*z1*z3)/(s12*s123*s124*z123) + 
   (D*s1234*s24^2*z1*z3)/(4*s12*s123*s124*z123) + 
   (s1234*s24^2*z1*z3)/(s12*s123*s13*z123) - (2*s1234*s14*s24^2*z1*z3)/
    (s12*s123*s124*s13*z123) - (s1234*s24^2*z1*z3)/(s12*s123*s23*z123) + 
   (2*s1234*s24^2*z1*z3)/(s123*s124*s23*z123) + (s1234*s13*s24^2*z1*z3)/
    (s12*s123*s124*s23*z123) + (2*s1234*s14*s24^2*z1*z3)/
    (s12*s123*s124*s23*z123) - (s1234*s23*s24^2*z1*z3)/
    (s12*s123*s124*s13*z123) + (D*s1234*s23*s24^2*z1*z3)/
    (4*s12*s123*s124*s13*z123) + (s1234*s24^3*z1*z3)/
    (s12*s123*s124*s23*z123) + (s1234*s14*z1*z3)/(s123*s34*z123) - 
   (D*s1234*s14*z1*z3)/(4*s123*s34*z123) + (s1234*s13*s14*z1*z3)/
    (s12*s123*s34*z123) - (D*s1234*s13*s14*z1*z3)/(4*s12*s123*s34*z123) + 
   (s1234*s14^2*z1*z3)/(s12*s123*s34*z123) - (D*s1234*s14^2*z1*z3)/
    (4*s12*s123*s34*z123) + (s1234*s14*s23*z1*z3)/(s12*s123*s34*z123) - 
   (D*s1234*s14*s23*z1*z3)/(2*s12*s123*s34*z123) - 
   (D*s1234*s14*s23*z1*z3)/(4*s123*s13*s34*z123) - 
   (D*s1234*s14^2*s23*z1*z3)/(4*s12*s123*s13*s34*z123) - 
   (D*s1234*s14*s23^2*z1*z3)/(4*s12*s123*s13*s34*z123) - 
   (s1234*s24*z1*z3)/(s123*s34*z123) - (D*s1234*s24*z1*z3)/
    (4*s123*s34*z123) - (D*s1234*s13*s24*z1*z3)/(4*s12*s123*s34*z123) - 
   (s1234*s14*s24*z1*z3)/(s12*s123*s34*z123) - (D*s1234*s14*s24*z1*z3)/
    (2*s12*s123*s34*z123) - (2*s1234*s14*s24*z1*z3)/(s123*s13*s34*z123) - 
   (2*s1234*s14^2*s24*z1*z3)/(s12*s123*s13*s34*z123) - 
   (s12*s1234*s24*z1*z3)/(s123*s23*s34*z123) - (s1234*s13*s24*z1*z3)/
    (s123*s23*s34*z123) - (s1234*s14*s24*z1*z3)/(s123*s23*s34*z123) + 
   (s1234*s23*s24*z1*z3)/(s12*s123*s34*z123) - (D*s1234*s23*s24*z1*z3)/
    (2*s12*s123*s34*z123) + (s1234*s23*s24*z1*z3)/(s123*s13*s34*z123) - 
   (D*s1234*s23*s24*z1*z3)/(4*s123*s13*s34*z123) - 
   (s1234*s14*s23*s24*z1*z3)/(s12*s123*s13*s34*z123) - 
   (D*s1234*s14*s23*s24*z1*z3)/(2*s12*s123*s13*s34*z123) + 
   (s1234*s23^2*s24*z1*z3)/(s12*s123*s13*s34*z123) - 
   (D*s1234*s23^2*s24*z1*z3)/(4*s12*s123*s13*s34*z123) - 
   (D*s1234*s24^2*z1*z3)/(4*s12*s123*s34*z123) - (2*s1234*s14*s24^2*z1*z3)/
    (s12*s123*s13*s34*z123) - (s1234*s24^2*z1*z3)/(s123*s23*s34*z123) + 
   (s1234*s23*s24^2*z1*z3)/(s12*s123*s13*s34*z123) - 
   (D*s1234*s23*s24^2*z1*z3)/(4*s12*s123*s13*s34*z123) - 
   (s1234*s34*z1*z3)/(s12*s123*z123) - (D*s1234*s34*z1*z3)/
    (4*s123*s13*z123) - (s12*s1234*s34*z1*z3)/(s123*s124*s13*z123) + 
   (D*s12*s1234*s34*z1*z3)/(4*s123*s124*s13*z123) - 
   (s1234*s14*s34*z1*z3)/(s12*s123*s124*z123) + (D*s1234*s14*s34*z1*z3)/
    (4*s12*s123*s124*z123) - (s1234*s14*s34*z1*z3)/(s123*s124*s13*z123) + 
   (D*s1234*s14*s34*z1*z3)/(4*s123*s124*s13*z123) - 
   (s1234*s34*z1*z3)/(s123*s23*z123) + (D*s1234*s34*z1*z3)/
    (4*s123*s23*z123) + (s12*s1234*s34*z1*z3)/(s123*s124*s23*z123) - 
   (D*s12*s1234*s34*z1*z3)/(4*s123*s124*s23*z123) + 
   (s1234*s13*s34*z1*z3)/(s123*s124*s23*z123) - (D*s1234*s13*s34*z1*z3)/
    (4*s123*s124*s23*z123) - (D*s1234*s14*s34*z1*z3)/(4*s123*s124*s23*z123) - 
   (s1234*s23*s34*z1*z3)/(s123*s124*s13*z123) + (D*s1234*s23*s34*z1*z3)/
    (4*s123*s124*s13*z123) - (s1234*s14*s23*s34*z1*z3)/
    (s12*s123*s124*s13*z123) + (D*s1234*s14*s23*s34*z1*z3)/
    (4*s12*s123*s124*s13*z123) + (2*s1234*s24*s34*z1*z3)/
    (s12*s123*s124*z123) + (D*s1234*s24*s34*z1*z3)/(4*s12*s123*s124*z123) + 
   (s1234*s24*s34*z1*z3)/(s12*s123*s13*z123) + (D*s1234*s24*s34*z1*z3)/
    (4*s123*s124*s13*z123) - (s1234*s14*s24*s34*z1*z3)/
    (s12*s123*s124*s13*z123) - (s1234*s24*s34*z1*z3)/(s12*s123*s23*z123) + 
   (2*s1234*s24*s34*z1*z3)/(s123*s124*s23*z123) - 
   (D*s1234*s24*s34*z1*z3)/(4*s123*s124*s23*z123) + 
   (s1234*s14*s24*s34*z1*z3)/(s12*s123*s124*s23*z123) + 
   (D*s1234*s23*s24*s34*z1*z3)/(4*s12*s123*s124*s13*z123) + 
   (s1234*s24^2*s34*z1*z3)/(s12*s123*s124*s13*z123) + 
   (s1234*s24^2*s34*z1*z3)/(s12*s123*s124*s23*z123) - 
   (s1234*s34^2*z1*z3)/(s123*s124*s13*z123) + (D*s1234*s34^2*z1*z3)/
    (4*s123*s124*s13*z123) + (s1234*s34^2*z1*z3)/(s123*s124*s23*z123) - 
   (D*s1234*s34^2*z1*z3)/(4*s123*s124*s23*z123) + 
   (s1234*s24*s34^2*z1*z3)/(s12*s123*s124*s13*z123) + 
   (s1234*s24*z1^2*z3)/(s12*s123*z12*z123) - (s1234*s24*z1^2*z3)/
    (s123*s124*z12*z123) - (s1234*s14*s24*z1^2*z3)/(s12*s123*s124*z12*z123) + 
   (s1234*s24*z1^2*z3)/(s123*s23*z12*z123) - (s12*s1234*s24*z1^2*z3)/
    (s123*s124*s23*z12*z123) + (s1234*s13*s24*z1^2*z3)/
    (s12*s123*s23*z12*z123) - (s1234*s13*s24*z1^2*z3)/
    (s123*s124*s23*z12*z123) + (s1234*s14*s24*z1^2*z3)/
    (s12*s123*s23*z12*z123) - (2*s1234*s14*s24*z1^2*z3)/
    (s123*s124*s23*z12*z123) - (s1234*s13*s14*s24*z1^2*z3)/
    (s12*s123*s124*s23*z12*z123) - (s1234*s14^2*s24*z1^2*z3)/
    (s12*s123*s124*s23*z12*z123) - (s1234*s24^2*z1^2*z3)/
    (s12*s123*s124*z12*z123) + (s1234*s24^2*z1^2*z3)/
    (s12*s123*s23*z12*z123) - (2*s1234*s24^2*z1^2*z3)/
    (s123*s124*s23*z12*z123) - (s1234*s13*s24^2*z1^2*z3)/
    (s12*s123*s124*s23*z12*z123) - (2*s1234*s14*s24^2*z1^2*z3)/
    (s12*s123*s124*s23*z12*z123) - (s1234*s24^3*z1^2*z3)/
    (s12*s123*s124*s23*z12*z123) + (s1234*s24*s34*z1^2*z3)/
    (s12*s123*s23*z12*z123) - (s1234*s24*s34*z1^2*z3)/
    (s123*s124*s23*z12*z123) - (s1234*s14*s24*s34*z1^2*z3)/
    (s12*s123*s124*s23*z12*z123) - (s1234*s24^2*s34*z1^2*z3)/
    (s12*s123*s124*s23*z12*z123) - (D*s1234*z2*z3)/(2*s123*z12) - 
   (s12*s1234*z2*z3)/(s123*s13*z12) + (D*s12*s1234*z2*z3)/(4*s123*s13*z12) - 
   (s1234*s14*z2*z3)/(s12*s123*z12) - (D*s1234*s14*z2*z3)/(4*s12*s123*z12) + 
   (s1234*s14*z2*z3)/(s123*s124*z12) - (D*s1234*s14*z2*z3)/
    (2*s123*s124*z12) - (s1234*s14*z2*z3)/(s123*s13*z12) - 
   (D*s1234*s14*z2*z3)/(4*s123*s13*z12) - (s12*s1234*s14*z2*z3)/
    (s123*s124*s13*z12) + (D*s12*s1234*s14*z2*z3)/(2*s123*s124*s13*z12) + 
   (s1234*s14^2*z2*z3)/(s12*s123*s124*z12) - (D*s1234*s14^2*z2*z3)/
    (2*s12*s123*s124*z12) - (s1234*s14^2*z2*z3)/(s12*s123*s13*z12) - 
   (2*s1234*s14^2*z2*z3)/(s123*s124*s13*z12) + (D*s1234*s14^2*z2*z3)/
    (2*s123*s124*s13*z12) - (s1234*s14^3*z2*z3)/(s12*s123*s124*s13*z12) - 
   (D*s12*s1234*z2*z3)/(4*s123*s23*z12) - (s1234*s13*z2*z3)/(s123*s23*z12) + 
   (D*s1234*s13*z2*z3)/(4*s123*s23*z12) - (s1234*s13^2*z2*z3)/
    (s12*s123*s23*z12) + (D*s1234*s13^2*z2*z3)/(2*s12*s123*s23*z12) - 
   (2*s1234*s14*z2*z3)/(s123*s23*z12) + (D*s1234*s14*z2*z3)/
    (4*s123*s23*z12) + (2*s12*s1234*s14*z2*z3)/(s123*s124*s23*z12) - 
   (D*s12*s1234*s14*z2*z3)/(2*s123*s124*s23*z12) + 
   (D*s1234*s13*s14*z2*z3)/(4*s12*s123*s23*z12) - 
   (2*s1234*s13*s14*z2*z3)/(s123*s124*s23*z12) + 
   (D*s1234*s13*s14*z2*z3)/(2*s123*s124*s23*z12) + 
   (2*s1234*s14^2*z2*z3)/(s123*s124*s23*z12) - (D*s1234*s14^2*z2*z3)/
    (2*s123*s124*s23*z12) - (2*s1234*s13*s14^2*z2*z3)/
    (s12*s123*s124*s23*z12) + (D*s1234*s13*s14^2*z2*z3)/
    (2*s12*s123*s124*s23*z12) + (s1234*s23*z2*z3)/(s12*s123*z12) - 
   (D*s1234*s23*z2*z3)/(2*s12*s123*z12) - (s1234*s23*z2*z3)/(s123*s13*z12) + 
   (D*s1234*s23*z2*z3)/(4*s123*s13*z12) - (s1234*s14*s23*z2*z3)/
    (s12*s123*s13*z12) - (D*s1234*s24*z2*z3)/(4*s12*s123*z12) + 
   (2*s1234*s24*z2*z3)/(s123*s124*z12) - (D*s1234*s24*z2*z3)/
    (2*s123*s124*z12) + (s1234*s24*z2*z3)/(s123*s13*z12) - 
   (D*s1234*s24*z2*z3)/(4*s123*s13*z12) - (2*s12*s1234*s24*z2*z3)/
    (s123*s124*s13*z12) + (D*s12*s1234*s24*z2*z3)/(2*s123*s124*s13*z12) + 
   (3*s1234*s14*s24*z2*z3)/(s12*s123*s124*z12) - 
   (D*s1234*s14*s24*z2*z3)/(s12*s123*s124*z12) - 
   (s1234*s14*s24*z2*z3)/(s12*s123*s13*z12) - (2*s1234*s14*s24*z2*z3)/
    (s123*s124*s13*z12) + (D*s1234*s14*s24*z2*z3)/(s123*s124*s13*z12) - 
   (s1234*s24*z2*z3)/(s123*s23*z12) + (D*s1234*s24*z2*z3)/(4*s123*s23*z12) - 
   (D*s12*s1234*s24*z2*z3)/(2*s123*s124*s23*z12) + 
   (D*s1234*s13*s24*z2*z3)/(4*s12*s123*s23*z12) - 
   (s1234*s13*s24*z2*z3)/(s123*s124*s23*z12) + (D*s1234*s13*s24*z2*z3)/
    (2*s123*s124*s23*z12) + (4*s1234*s14*s24*z2*z3)/(s123*s124*s23*z12) - 
   (D*s1234*s14*s24*z2*z3)/(s123*s124*s23*z12) - (3*s1234*s13*s14*s24*z2*z3)/
    (s12*s123*s124*s23*z12) + (D*s1234*s13*s14*s24*z2*z3)/
    (s12*s123*s124*s23*z12) + (2*s1234*s14^2*s24*z2*z3)/
    (s12*s123*s124*s23*z12) + (2*s1234*s24^2*z2*z3)/(s12*s123*s124*z12) - 
   (D*s1234*s24^2*z2*z3)/(2*s12*s123*s124*z12) - 
   (2*s1234*s24^2*z2*z3)/(s123*s124*s13*z12) + (D*s1234*s24^2*z2*z3)/
    (2*s123*s124*s13*z12) + (s1234*s14*s24^2*z2*z3)/(s12*s123*s124*s13*z12) - 
   (D*s1234*s24^2*z2*z3)/(2*s123*s124*s23*z12) - 
   (s1234*s13*s24^2*z2*z3)/(s12*s123*s124*s23*z12) + 
   (D*s1234*s13*s24^2*z2*z3)/(2*s12*s123*s124*s23*z12) + 
   (2*s1234*s14*s24^2*z2*z3)/(s12*s123*s124*s23*z12) - 
   (D*s1234*s14*z2*z3)/(4*s123*s34*z12) - (s1234*s13*s14*z2*z3)/
    (s12*s123*s34*z12) - (s1234*s14^2*z2*z3)/(s12*s123*s34*z12) - 
   (D*s1234*s14^2*z2*z3)/(4*s12*s123*s34*z12) - 
   (s1234*s14^2*z2*z3)/(s123*s13*s34*z12) - (s1234*s14^3*z2*z3)/
    (s12*s123*s13*s34*z12) - (s1234*s13*s14*z2*z3)/(s123*s23*s34*z12) + 
   (D*s1234*s13*s14*z2*z3)/(4*s123*s23*s34*z12) - 
   (s1234*s13^2*s14*z2*z3)/(s12*s123*s23*s34*z12) + 
   (D*s1234*s13^2*s14*z2*z3)/(4*s12*s123*s23*s34*z12) - 
   (s1234*s13*s14^2*z2*z3)/(s12*s123*s23*s34*z12) + 
   (D*s1234*s13*s14^2*z2*z3)/(4*s12*s123*s23*s34*z12) - 
   (D*s1234*s14*s23*z2*z3)/(4*s12*s123*s34*z12) - 
   (s1234*s14^2*s23*z2*z3)/(s12*s123*s13*s34*z12) - 
   (D*s1234*s24*z2*z3)/(4*s123*s34*z12) + (s1234*s13*s24*z2*z3)/
    (s12*s123*s34*z12) + (4*s1234*s14*s24*z2*z3)/(s12*s123*s34*z12) - 
   (D*s1234*s14*s24*z2*z3)/(2*s12*s123*s34*z12) + 
   (s1234*s14*s24*z2*z3)/(s123*s13*s34*z12) - (s12*s1234*s24*z2*z3)/
    (s123*s23*s34*z12) - (s1234*s13*s24*z2*z3)/(s123*s23*s34*z12) + 
   (D*s1234*s13*s24*z2*z3)/(4*s123*s23*s34*z12) + 
   (D*s1234*s13^2*s24*z2*z3)/(4*s12*s123*s23*s34*z12) + 
   (s1234*s14*s24*z2*z3)/(s123*s23*s34*z12) + (s1234*s13*s14*s24*z2*z3)/
    (s12*s123*s23*s34*z12) + (D*s1234*s13*s14*s24*z2*z3)/
    (2*s12*s123*s23*s34*z12) + (2*s1234*s14^2*s24*z2*z3)/
    (s12*s123*s23*s34*z12) + (s1234*s23*s24*z2*z3)/(s12*s123*s34*z12) - 
   (D*s1234*s23*s24*z2*z3)/(4*s12*s123*s34*z12) + 
   (s1234*s14*s23*s24*z2*z3)/(s12*s123*s13*s34*z12) + 
   (s1234*s24^2*z2*z3)/(s12*s123*s34*z12) - (D*s1234*s24^2*z2*z3)/
    (4*s12*s123*s34*z12) + (s1234*s14*s24^2*z2*z3)/(s12*s123*s13*s34*z12) - 
   (s1234*s24^2*z2*z3)/(s123*s23*s34*z12) + (D*s1234*s13*s24^2*z2*z3)/
    (4*s12*s123*s23*s34*z12) + (2*s1234*s14*s24^2*z2*z3)/
    (s12*s123*s23*s34*z12) + (s1234*s34*z2*z3)/(s123*s124*z12) - 
   (D*s1234*s34*z2*z3)/(2*s123*s124*z12) - (D*s1234*s34*z2*z3)/
    (4*s123*s13*z12) - (s12*s1234*s34*z2*z3)/(s123*s124*s13*z12) + 
   (D*s12*s1234*s34*z2*z3)/(2*s123*s124*s13*z12) + 
   (s1234*s14*s34*z2*z3)/(s12*s123*s124*z12) - (D*s1234*s14*s34*z2*z3)/
    (2*s12*s123*s124*z12) - (2*s1234*s14*s34*z2*z3)/(s123*s124*s13*z12) + 
   (D*s1234*s14*s34*z2*z3)/(2*s123*s124*s13*z12) - 
   (s1234*s14^2*s34*z2*z3)/(s12*s123*s124*s13*z12) + 
   (D*s1234*s34*z2*z3)/(4*s123*s23*z12) - (D*s12*s1234*s34*z2*z3)/
    (2*s123*s124*s23*z12) - (s1234*s13*s34*z2*z3)/(s123*s124*s23*z12) + 
   (D*s1234*s13*s34*z2*z3)/(2*s123*s124*s23*z12) - 
   (D*s1234*s14*s34*z2*z3)/(2*s123*s124*s23*z12) - 
   (s1234*s13*s14*s34*z2*z3)/(s12*s123*s124*s23*z12) + 
   (D*s1234*s13*s14*s34*z2*z3)/(2*s12*s123*s124*s23*z12) + 
   (s1234*s24*s34*z2*z3)/(s12*s123*s124*z12) - (D*s1234*s24*s34*z2*z3)/
    (2*s12*s123*s124*z12) - (s1234*s24*s34*z2*z3)/(s123*s124*s13*z12) + 
   (D*s1234*s24*s34*z2*z3)/(2*s123*s124*s13*z12) - 
   (s1234*s14*s24*s34*z2*z3)/(s12*s123*s124*s13*z12) - 
   (D*s1234*s24*s34*z2*z3)/(2*s123*s124*s23*z12) - 
   (s1234*s13*s24*s34*z2*z3)/(s12*s123*s124*s23*z12) + 
   (D*s1234*s13*s24*s34*z2*z3)/(2*s12*s123*s124*s23*z12) + 
   (2*s1234*z2*z3)/(s123*z123) + (s12*s1234*z2*z3)/(s123*s13*z123) - 
   (D*s12*s1234*z2*z3)/(4*s123*s13*z123) + (s1234*s13*z2*z3)/
    (s12*s123*z123) + (s1234*s14*z2*z3)/(s12*s123*z123) + 
   (D*s1234*s14*z2*z3)/(4*s12*s123*z123) - (2*s1234*s14*z2*z3)/
    (s123*s124*z123) - (D*s1234*s14*z2*z3)/(4*s123*s124*z123) + 
   (3*s1234*s14*z2*z3)/(s123*s13*z123) - (D*s1234*s14*z2*z3)/
    (4*s123*s13*z123) - (s12*s1234*s14*z2*z3)/(s123*s124*s13*z123) - 
   (D*s1234*s13*s14*z2*z3)/(2*s12*s123*s124*z123) - 
   (2*s1234*s14^2*z2*z3)/(s12*s123*s124*z123) - (D*s1234*s14^2*z2*z3)/
    (4*s12*s123*s124*z123) + (s1234*s14^2*z2*z3)/(s12*s123*s13*z123) - 
   (2*s1234*s14^2*z2*z3)/(s123*s124*s13*z123) - 
   (s1234*s14^3*z2*z3)/(s12*s123*s124*s13*z123) + 
   (D*s12*s1234*z2*z3)/(4*s123*s23*z123) + (D*s1234*s13*z2*z3)/
    (4*s123*s23*z123) - (s1234*s14*z2*z3)/(s123*s23*z123) + 
   (D*s1234*s14*z2*z3)/(4*s123*s23*z123) - (2*s1234*s13*s14*z2*z3)/
    (s12*s123*s23*z123) + (D*s1234*s13*s14*z2*z3)/(4*s12*s123*s23*z123) + 
   (s1234*s13*s14*z2*z3)/(s123*s124*s23*z123) - (D*s1234*s13*s14*z2*z3)/
    (4*s123*s124*s23*z123) + (s1234*s13^2*s14*z2*z3)/
    (s12*s123*s124*s23*z123) - (D*s1234*s13^2*s14*z2*z3)/
    (4*s12*s123*s124*s23*z123) - (s1234*s14^2*z2*z3)/(s12*s123*s23*z123) + 
   (s1234*s13*s14^2*z2*z3)/(s12*s123*s124*s23*z123) - 
   (D*s1234*s13*s14^2*z2*z3)/(4*s12*s123*s124*s23*z123) + 
   (s1234*s23*z2*z3)/(s12*s123*z123) + (s1234*s23*z2*z3)/(s123*s13*z123) - 
   (D*s1234*s23*z2*z3)/(4*s123*s13*z123) - (s1234*s14*s23*z2*z3)/
    (s12*s123*s124*z123) - (D*s1234*s14*s23*z2*z3)/(4*s12*s123*s124*z123) + 
   (s1234*s14*s23*z2*z3)/(s12*s123*s13*z123) - (s1234*s14*s23*z2*z3)/
    (s123*s124*s13*z123) - (s1234*s14^2*s23*z2*z3)/(s12*s123*s124*s13*z123) + 
   (D*s1234*s24*z2*z3)/(4*s12*s123*z123) + (2*s1234*s24*z2*z3)/
    (s123*s124*z123) - (D*s1234*s24*z2*z3)/(4*s123*s124*z123) + 
   (s1234*s24*z2*z3)/(s123*s13*z123) - (D*s1234*s24*z2*z3)/
    (4*s123*s13*z123) + (s12*s1234*s24*z2*z3)/(s123*s124*s13*z123) + 
   (2*s1234*s13*s24*z2*z3)/(s12*s123*s124*z123) - 
   (D*s1234*s13*s24*z2*z3)/(2*s12*s123*s124*z123) + 
   (s1234*s14*s24*z2*z3)/(s12*s123*s124*z123) - (D*s1234*s14*s24*z2*z3)/
    (2*s12*s123*s124*z123) + (s1234*s14*s24*z2*z3)/(s12*s123*s13*z123) - 
   (s1234*s14*s24*z2*z3)/(s123*s124*s13*z123) - (2*s1234*s14^2*s24*z2*z3)/
    (s12*s123*s124*s13*z123) + (D*s1234*s24*z2*z3)/(4*s123*s23*z123) + 
   (D*s1234*s13*s24*z2*z3)/(4*s12*s123*s23*z123) + 
   (s1234*s13*s24*z2*z3)/(s123*s124*s23*z123) - (D*s1234*s13*s24*z2*z3)/
    (4*s123*s124*s23*z123) + (s1234*s13^2*s24*z2*z3)/
    (s12*s123*s124*s23*z123) - (D*s1234*s13^2*s24*z2*z3)/
    (4*s12*s123*s124*s23*z123) + (s1234*s14*s24*z2*z3)/(s12*s123*s23*z123) + 
   (2*s1234*s14*s24*z2*z3)/(s123*s124*s23*z123) + 
   (4*s1234*s13*s14*s24*z2*z3)/(s12*s123*s124*s23*z123) - 
   (D*s1234*s13*s14*s24*z2*z3)/(2*s12*s123*s124*s23*z123) + 
   (2*s1234*s14^2*s24*z2*z3)/(s12*s123*s124*s23*z123) + 
   (s1234*s23*s24*z2*z3)/(s12*s123*s124*z123) - (D*s1234*s23*s24*z2*z3)/
    (4*s12*s123*s124*z123) + (s1234*s23*s24*z2*z3)/(s123*s124*s13*z123) - 
   (s1234*s14*s23*s24*z2*z3)/(s12*s123*s124*s13*z123) + 
   (s1234*s24^2*z2*z3)/(s12*s123*s124*z123) - (D*s1234*s24^2*z2*z3)/
    (4*s12*s123*s124*z123) + (s1234*s24^2*z2*z3)/(s123*s124*s13*z123) - 
   (s1234*s14*s24^2*z2*z3)/(s12*s123*s124*s13*z123) + 
   (s1234*s13*s24^2*z2*z3)/(s12*s123*s124*s23*z123) - 
   (D*s1234*s13*s24^2*z2*z3)/(4*s12*s123*s124*s23*z123) + 
   (2*s1234*s14*s24^2*z2*z3)/(s12*s123*s124*s23*z123) + 
   (s1234*s14*z2*z3)/(s123*s34*z123) + (D*s1234*s14*z2*z3)/
    (4*s123*s34*z123) + (s12*s1234*s14*z2*z3)/(s123*s13*s34*z123) - 
   (s1234*s13*s14*z2*z3)/(s12*s123*s34*z123) + (D*s1234*s13*s14*z2*z3)/
    (2*s12*s123*s34*z123) + (D*s1234*s14^2*z2*z3)/(4*s12*s123*s34*z123) + 
   (s1234*s14^2*z2*z3)/(s123*s13*s34*z123) - (s1234*s13*s14*z2*z3)/
    (s123*s23*s34*z123) + (D*s1234*s13*s14*z2*z3)/(4*s123*s23*s34*z123) - 
   (s1234*s13^2*s14*z2*z3)/(s12*s123*s23*s34*z123) + 
   (D*s1234*s13^2*s14*z2*z3)/(4*s12*s123*s23*s34*z123) - 
   (s1234*s13*s14^2*z2*z3)/(s12*s123*s23*s34*z123) + 
   (D*s1234*s13*s14^2*z2*z3)/(4*s12*s123*s23*s34*z123) + 
   (D*s1234*s14*s23*z2*z3)/(4*s12*s123*s34*z123) + 
   (s1234*s14*s23*z2*z3)/(s123*s13*s34*z123) - 
   (s1234*s24*z2*z3)/(s123*s34*z123) + (D*s1234*s24*z2*z3)/
    (4*s123*s34*z123) - (s1234*s13*s24*z2*z3)/(s12*s123*s34*z123) + 
   (D*s1234*s13*s24*z2*z3)/(2*s12*s123*s34*z123) + 
   (s1234*s14*s24*z2*z3)/(s12*s123*s34*z123) + (D*s1234*s14*s24*z2*z3)/
    (2*s12*s123*s34*z123) + (s1234*s14*s24*z2*z3)/(s123*s13*s34*z123) + 
   (D*s1234*s13*s24*z2*z3)/(4*s123*s23*s34*z123) + 
   (D*s1234*s13^2*s24*z2*z3)/(4*s12*s123*s23*s34*z123) + 
   (2*s1234*s14*s24*z2*z3)/(s123*s23*s34*z123) + (s1234*s13*s14*s24*z2*z3)/
    (s12*s123*s23*s34*z123) + (D*s1234*s13*s14*s24*z2*z3)/
    (2*s12*s123*s23*s34*z123) + (2*s1234*s14^2*s24*z2*z3)/
    (s12*s123*s23*s34*z123) - (s1234*s23*s24*z2*z3)/(s12*s123*s34*z123) + 
   (D*s1234*s23*s24*z2*z3)/(4*s12*s123*s34*z123) - 
   (s1234*s24^2*z2*z3)/(s12*s123*s34*z123) + (D*s1234*s24^2*z2*z3)/
    (4*s12*s123*s34*z123) + (D*s1234*s13*s24^2*z2*z3)/
    (4*s12*s123*s23*s34*z123) + (2*s1234*s14*s24^2*z2*z3)/
    (s12*s123*s23*s34*z123) + (s1234*s34*z2*z3)/(s12*s123*z123) + 
   (s1234*s34*z2*z3)/(s123*s13*z123) - (D*s1234*s34*z2*z3)/
    (4*s123*s13*z123) - (s12*s1234*s34*z2*z3)/(s123*s124*s13*z123) + 
   (D*s12*s1234*s34*z2*z3)/(4*s123*s124*s13*z123) - 
   (2*s1234*s14*s34*z2*z3)/(s12*s123*s124*z123) - 
   (D*s1234*s14*s34*z2*z3)/(4*s12*s123*s124*z123) + 
   (s1234*s14*s34*z2*z3)/(s12*s123*s13*z123) - (2*s1234*s14*s34*z2*z3)/
    (s123*s124*s13*z123) + (D*s1234*s14*s34*z2*z3)/(4*s123*s124*s13*z123) - 
   (s1234*s14^2*s34*z2*z3)/(s12*s123*s124*s13*z123) + 
   (D*s1234*s34*z2*z3)/(4*s123*s23*z123) + (s12*s1234*s34*z2*z3)/
    (s123*s124*s23*z123) - (D*s12*s1234*s34*z2*z3)/(4*s123*s124*s23*z123) + 
   (s1234*s13*s34*z2*z3)/(s123*s124*s23*z123) - (D*s1234*s13*s34*z2*z3)/
    (4*s123*s124*s23*z123) - (s1234*s14*s34*z2*z3)/(s12*s123*s23*z123) - 
   (D*s1234*s14*s34*z2*z3)/(4*s123*s124*s23*z123) - 
   (D*s1234*s13*s14*s34*z2*z3)/(4*s12*s123*s124*s23*z123) - 
   (s1234*s14^2*s34*z2*z3)/(s12*s123*s124*s23*z123) - 
   (s1234*s23*s34*z2*z3)/(s123*s124*s13*z123) + (D*s1234*s23*s34*z2*z3)/
    (4*s123*s124*s13*z123) + (s1234*s24*s34*z2*z3)/(s12*s123*s124*z123) - 
   (D*s1234*s24*s34*z2*z3)/(4*s12*s123*s124*z123) + 
   (D*s1234*s24*s34*z2*z3)/(4*s123*s124*s13*z123) - 
   (s1234*s14*s24*s34*z2*z3)/(s12*s123*s124*s13*z123) + 
   (s1234*s24*s34*z2*z3)/(s123*s124*s23*z123) - (D*s1234*s24*s34*z2*z3)/
    (4*s123*s124*s23*z123) + (s1234*s13*s24*s34*z2*z3)/
    (s12*s123*s124*s23*z123) - (D*s1234*s13*s24*s34*z2*z3)/
    (4*s12*s123*s124*s23*z123) + (s1234*s14*s24*s34*z2*z3)/
    (s12*s123*s124*s23*z123) - (s1234*s34^2*z2*z3)/(s123*s124*s13*z123) + 
   (D*s1234*s34^2*z2*z3)/(4*s123*s124*s13*z123) + 
   (s1234*s34^2*z2*z3)/(s123*s124*s23*z123) - (D*s1234*s34^2*z2*z3)/
    (4*s123*s124*s23*z123) - (s1234*s14*s34^2*z2*z3)/
    (s12*s123*s124*s23*z123) - (s12*s1234*z1*z2*z3)/(s123*s13*z12*z123) + 
   (s1234*s13*z1*z2*z3)/(s12*s123*z12*z123) + (s1234*s14*z1*z2*z3)/
    (s12*s123*z12*z123) + (3*s1234*s14*z1*z2*z3)/(s123*s124*z12*z123) - 
   (s1234*s14*z1*z2*z3)/(s123*s13*z12*z123) + (3*s12*s1234*s14*z1*z2*z3)/
    (s123*s124*s13*z12*z123) + (3*s1234*s14^2*z1*z2*z3)/
    (s12*s123*s124*z12*z123) + (6*s1234*s14^2*z1*z2*z3)/
    (s123*s124*s13*z12*z123) + (3*s1234*s14^3*z1*z2*z3)/
    (s12*s123*s124*s13*z12*z123) + (s12*s1234*z1*z2*z3)/(s123*s23*z12*z123) + 
   (2*s1234*s13*z1*z2*z3)/(s123*s23*z12*z123) + (s1234*s13^2*z1*z2*z3)/
    (s12*s123*s23*z12*z123) + (2*s1234*s14*z1*z2*z3)/(s123*s23*z12*z123) + 
   (2*s1234*s13*s14*z1*z2*z3)/(s12*s123*s23*z12*z123) + 
   (s1234*s14^2*z1*z2*z3)/(s12*s123*s23*z12*z123) - 
   (s1234*s23*z1*z2*z3)/(s12*s123*z12*z123) - (2*s1234*s23*z1*z2*z3)/
    (s123*s13*z12*z123) - (s1234*s14*s23*z1*z2*z3)/(s12*s123*s13*z12*z123) + 
   (3*s1234*s14*s23*z1*z2*z3)/(s123*s124*s13*z12*z123) + 
   (3*s1234*s14^2*s23*z1*z2*z3)/(s12*s123*s124*s13*z12*z123) - 
   (s1234*s23^2*z1*z2*z3)/(s12*s123*s13*z12*z123) - 
   (s1234*s24*z1*z2*z3)/(s12*s123*z12*z123) - (3*s1234*s24*z1*z2*z3)/
    (s123*s124*z12*z123) - (2*s1234*s24*z1*z2*z3)/(s123*s13*z12*z123) - 
   (s1234*s14*s24*z1*z2*z3)/(s12*s123*s13*z12*z123) + 
   (6*s1234*s14*s24*z1*z2*z3)/(s123*s124*s13*z12*z123) + 
   (6*s1234*s14^2*s24*z1*z2*z3)/(s12*s123*s124*s13*z12*z123) + 
   (s1234*s24*z1*z2*z3)/(s123*s23*z12*z123) - (3*s12*s1234*s24*z1*z2*z3)/
    (s123*s124*s23*z12*z123) + (s1234*s13*s24*z1*z2*z3)/
    (s12*s123*s23*z12*z123) - (3*s1234*s13*s24*z1*z2*z3)/
    (s123*s124*s23*z12*z123) + (s1234*s14*s24*z1*z2*z3)/
    (s12*s123*s23*z12*z123) - (6*s1234*s14*s24*z1*z2*z3)/
    (s123*s124*s23*z12*z123) - (3*s1234*s13*s14*s24*z1*z2*z3)/
    (s12*s123*s124*s23*z12*z123) - (3*s1234*s14^2*s24*z1*z2*z3)/
    (s12*s123*s124*s23*z12*z123) - (2*s1234*s23*s24*z1*z2*z3)/
    (s12*s123*s13*z12*z123) + (3*s1234*s14*s23*s24*z1*z2*z3)/
    (s12*s123*s124*s13*z12*z123) - (3*s1234*s24^2*z1*z2*z3)/
    (s12*s123*s124*z12*z123) - (s1234*s24^2*z1*z2*z3)/
    (s12*s123*s13*z12*z123) + (3*s1234*s14*s24^2*z1*z2*z3)/
    (s12*s123*s124*s13*z12*z123) - (6*s1234*s24^2*z1*z2*z3)/
    (s123*s124*s23*z12*z123) - (3*s1234*s13*s24^2*z1*z2*z3)/
    (s12*s123*s124*s23*z12*z123) - (6*s1234*s14*s24^2*z1*z2*z3)/
    (s12*s123*s124*s23*z12*z123) - (3*s1234*s24^3*z1*z2*z3)/
    (s12*s123*s124*s23*z12*z123) + (4*s1234*s14*z1*z2*z3)/
    (s123*s34*z12*z123) + (2*s12*s1234*s14*z1*z2*z3)/
    (s123*s13*s34*z12*z123) + (2*s1234*s13*s14*z1*z2*z3)/
    (s12*s123*s34*z12*z123) + (4*s1234*s14^2*z1*z2*z3)/
    (s12*s123*s34*z12*z123) + (4*s1234*s14^2*z1*z2*z3)/
    (s123*s13*s34*z12*z123) + (2*s1234*s14^3*z1*z2*z3)/
    (s12*s123*s13*s34*z12*z123) + (4*s1234*s14*s23*z1*z2*z3)/
    (s12*s123*s34*z12*z123) + (4*s1234*s14*s23*z1*z2*z3)/
    (s123*s13*s34*z12*z123) + (4*s1234*s14^2*s23*z1*z2*z3)/
    (s12*s123*s13*s34*z12*z123) + (2*s1234*s14*s23^2*z1*z2*z3)/
    (s12*s123*s13*s34*z12*z123) - (4*s1234*s24*z1*z2*z3)/
    (s123*s34*z12*z123) - (4*s1234*s13*s24*z1*z2*z3)/
    (s12*s123*s34*z12*z123) + (4*s1234*s14*s24*z1*z2*z3)/
    (s123*s13*s34*z12*z123) + (4*s1234*s14^2*s24*z1*z2*z3)/
    (s12*s123*s13*s34*z12*z123) - (2*s12*s1234*s24*z1*z2*z3)/
    (s123*s23*s34*z12*z123) - (4*s1234*s13*s24*z1*z2*z3)/
    (s123*s23*s34*z12*z123) - (2*s1234*s13^2*s24*z1*z2*z3)/
    (s12*s123*s23*s34*z12*z123) - (4*s1234*s14*s24*z1*z2*z3)/
    (s123*s23*s34*z12*z123) - (4*s1234*s13*s14*s24*z1*z2*z3)/
    (s12*s123*s23*s34*z12*z123) - (2*s1234*s14^2*s24*z1*z2*z3)/
    (s12*s123*s23*s34*z12*z123) - (2*s1234*s23*s24*z1*z2*z3)/
    (s12*s123*s34*z12*z123) + (4*s1234*s14*s23*s24*z1*z2*z3)/
    (s12*s123*s13*s34*z12*z123) - (4*s1234*s24^2*z1*z2*z3)/
    (s12*s123*s34*z12*z123) + (2*s1234*s14*s24^2*z1*z2*z3)/
    (s12*s123*s13*s34*z12*z123) - (4*s1234*s24^2*z1*z2*z3)/
    (s123*s23*s34*z12*z123) - (4*s1234*s13*s24^2*z1*z2*z3)/
    (s12*s123*s23*s34*z12*z123) - (4*s1234*s14*s24^2*z1*z2*z3)/
    (s12*s123*s23*s34*z12*z123) - (2*s1234*s24^3*z1*z2*z3)/
    (s12*s123*s23*s34*z12*z123) - (s1234*s34*z1*z2*z3)/(s123*s13*z12*z123) - 
   (s12*s1234*s34*z1*z2*z3)/(s123*s124*s13*z12*z123) - 
   (2*s1234*s14*s34*z1*z2*z3)/(s12*s123*s13*z12*z123) + 
   (s1234*s14*s34*z1*z2*z3)/(s123*s124*s13*z12*z123) + 
   (2*s1234*s14^2*s34*z1*z2*z3)/(s12*s123*s124*s13*z12*z123) + 
   (s1234*s34*z1*z2*z3)/(s123*s23*z12*z123) + (s12*s1234*s34*z1*z2*z3)/
    (s123*s124*s23*z12*z123) + (s1234*s13*s34*z1*z2*z3)/
    (s12*s123*s23*z12*z123) + (s1234*s13*s34*z1*z2*z3)/
    (s123*s124*s23*z12*z123) + (s1234*s14*s34*z1*z2*z3)/
    (s12*s123*s23*z12*z123) + (2*s1234*s14*s34*z1*z2*z3)/
    (s123*s124*s23*z12*z123) + (s1234*s13*s14*s34*z1*z2*z3)/
    (s12*s123*s124*s23*z12*z123) + (s1234*s14^2*s34*z1*z2*z3)/
    (s12*s123*s124*s23*z12*z123) - (s1234*s23*s34*z1*z2*z3)/
    (s12*s123*s13*z12*z123) - (s1234*s23*s34*z1*z2*z3)/
    (s123*s124*s13*z12*z123) - (s1234*s14*s23*s34*z1*z2*z3)/
    (s12*s123*s124*s13*z12*z123) - (s1234*s24*s34*z1*z2*z3)/
    (s12*s123*s13*z12*z123) - (2*s1234*s24*s34*z1*z2*z3)/
    (s123*s124*s13*z12*z123) + (s1234*s14*s24*s34*z1*z2*z3)/
    (s12*s123*s124*s13*z12*z123) + (2*s1234*s24*s34*z1*z2*z3)/
    (s12*s123*s23*z12*z123) - (s1234*s24*s34*z1*z2*z3)/
    (s123*s124*s23*z12*z123) + (s1234*s13*s24*s34*z1*z2*z3)/
    (s12*s123*s124*s23*z12*z123) - (s1234*s14*s24*s34*z1*z2*z3)/
    (s12*s123*s124*s23*z12*z123) - (s1234*s23*s24*s34*z1*z2*z3)/
    (s12*s123*s124*s13*z12*z123) - (s1234*s24^2*s34*z1*z2*z3)/
    (s12*s123*s124*s13*z12*z123) - (2*s1234*s24^2*s34*z1*z2*z3)/
    (s12*s123*s124*s23*z12*z123) - (s1234*s34^2*z1*z2*z3)/
    (s123*s124*s13*z12*z123) - (s1234*s14*s34^2*z1*z2*z3)/
    (s12*s123*s124*s13*z12*z123) + (s1234*s34^2*z1*z2*z3)/
    (s123*s124*s23*z12*z123) + (s1234*s14*s34^2*z1*z2*z3)/
    (s12*s123*s124*s23*z12*z123) - (s1234*s24*s34^2*z1*z2*z3)/
    (s12*s123*s124*s13*z12*z123) + (s1234*s24*s34^2*z1*z2*z3)/
    (s12*s123*s124*s23*z12*z123) - (s1234*s14*z2^2*z3)/(s12*s123*z12*z123) + 
   (s1234*s14*z2^2*z3)/(s123*s124*z12*z123) - (s1234*s14*z2^2*z3)/
    (s123*s13*z12*z123) + (s12*s1234*s14*z2^2*z3)/(s123*s124*s13*z12*z123) + 
   (s1234*s14^2*z2^2*z3)/(s12*s123*s124*z12*z123) - 
   (s1234*s14^2*z2^2*z3)/(s12*s123*s13*z12*z123) + 
   (2*s1234*s14^2*z2^2*z3)/(s123*s124*s13*z12*z123) + 
   (s1234*s14^3*z2^2*z3)/(s12*s123*s124*s13*z12*z123) - 
   (s1234*s14*s23*z2^2*z3)/(s12*s123*s13*z12*z123) + 
   (s1234*s14*s23*z2^2*z3)/(s123*s124*s13*z12*z123) + 
   (s1234*s14^2*s23*z2^2*z3)/(s12*s123*s124*s13*z12*z123) + 
   (s1234*s14*s24*z2^2*z3)/(s12*s123*s124*z12*z123) - 
   (s1234*s14*s24*z2^2*z3)/(s12*s123*s13*z12*z123) + 
   (2*s1234*s14*s24*z2^2*z3)/(s123*s124*s13*z12*z123) + 
   (2*s1234*s14^2*s24*z2^2*z3)/(s12*s123*s124*s13*z12*z123) + 
   (s1234*s14*s23*s24*z2^2*z3)/(s12*s123*s124*s13*z12*z123) + 
   (s1234*s14*s24^2*z2^2*z3)/(s12*s123*s124*s13*z12*z123) - 
   (s1234*s14*s34*z2^2*z3)/(s12*s123*s13*z12*z123) + 
   (s1234*s14*s34*z2^2*z3)/(s123*s124*s13*z12*z123) + 
   (s1234*s14^2*s34*z2^2*z3)/(s12*s123*s124*s13*z12*z123) + 
   (s1234*s14*s24*s34*z2^2*z3)/(s12*s123*s124*s13*z12*z123) - 
   (s12*s1234*z3^2)/(s123*s13*z12) + (D*s12*s1234*z3^2)/(2*s123*s13*z12) + 
   (D*s1234*s14*z3^2)/(4*s123*s13*z12) - (s12*s1234*s14*z3^2)/
    (s123*s124*s13*z12) + (D*s12*s1234*s14*z3^2)/(2*s123*s124*s13*z12) - 
   (s1234*s14^2*z3^2)/(s123*s124*s13*z12) + (D*s1234*s14^2*z3^2)/
    (2*s123*s124*s13*z12) + (s12*s1234*z3^2)/(s123*s23*z12) - 
   (D*s12*s1234*z3^2)/(2*s123*s23*z12) + (s1234*s13*z3^2)/(s123*s23*z12) - 
   (D*s1234*s13*z3^2)/(2*s123*s23*z12) - (D*s1234*s14*z3^2)/
    (4*s123*s23*z12) + (2*s12*s1234*s14*z3^2)/(s123*s124*s23*z12) - 
   (D*s12*s1234*s14*z3^2)/(2*s123*s124*s23*z12) + 
   (2*s1234*s14^2*z3^2)/(s123*s124*s23*z12) - (D*s1234*s14^2*z3^2)/
    (2*s123*s124*s23*z12) - (s1234*s23*z3^2)/(s123*s13*z12) + 
   (D*s1234*s23*z3^2)/(2*s123*s13*z12) + (D*s1234*s24*z3^2)/
    (4*s123*s13*z12) - (2*s12*s1234*s24*z3^2)/(s123*s124*s13*z12) + 
   (D*s12*s1234*s24*z3^2)/(2*s123*s124*s13*z12) - 
   (3*s1234*s14*s24*z3^2)/(s123*s124*s13*z12) + (D*s1234*s14*s24*z3^2)/
    (s123*s124*s13*z12) - (D*s1234*s24*z3^2)/(4*s123*s23*z12) + 
   (s12*s1234*s24*z3^2)/(s123*s124*s23*z12) - (D*s12*s1234*s24*z3^2)/
    (2*s123*s124*s23*z12) + (3*s1234*s14*s24*z3^2)/(s123*s124*s23*z12) - 
   (D*s1234*s14*s24*z3^2)/(s123*s124*s23*z12) - 
   (2*s1234*s24^2*z3^2)/(s123*s124*s13*z12) + (D*s1234*s24^2*z3^2)/
    (2*s123*s124*s13*z12) + (s1234*s24^2*z3^2)/(s123*s124*s23*z12) - 
   (D*s1234*s24^2*z3^2)/(2*s123*s124*s23*z12) + 
   (s1234*s14*z3^2)/(s123*s34*z12) + (D*s12*s1234*s14*z3^2)/
    (4*s123*s13*s34*z12) + (D*s1234*s14^2*z3^2)/(4*s123*s13*s34*z12) + 
   (s12*s1234*s14*z3^2)/(s123*s23*s34*z12) - (D*s12*s1234*s14*z3^2)/
    (4*s123*s23*s34*z12) + (s1234*s13*s14*z3^2)/(s123*s23*s34*z12) - 
   (D*s1234*s13*s14*z3^2)/(4*s123*s23*s34*z12) + 
   (s1234*s14^2*z3^2)/(s123*s23*s34*z12) - (D*s1234*s14^2*z3^2)/
    (4*s123*s23*s34*z12) + (D*s1234*s14*s23*z3^2)/(4*s123*s13*s34*z12) - 
   (s1234*s24*z3^2)/(s123*s34*z12) - (s12*s1234*s24*z3^2)/
    (s123*s13*s34*z12) + (D*s12*s1234*s24*z3^2)/(4*s123*s13*s34*z12) - 
   (s1234*s14*s24*z3^2)/(s123*s13*s34*z12) + (D*s1234*s14*s24*z3^2)/
    (2*s123*s13*s34*z12) - (D*s12*s1234*s24*z3^2)/(4*s123*s23*s34*z12) - 
   (D*s1234*s13*s24*z3^2)/(4*s123*s23*s34*z12) + 
   (s1234*s14*s24*z3^2)/(s123*s23*s34*z12) - (D*s1234*s14*s24*z3^2)/
    (2*s123*s23*s34*z12) - (s1234*s23*s24*z3^2)/(s123*s13*s34*z12) + 
   (D*s1234*s23*s24*z3^2)/(4*s123*s13*s34*z12) - 
   (s1234*s24^2*z3^2)/(s123*s13*s34*z12) + (D*s1234*s24^2*z3^2)/
    (4*s123*s13*s34*z12) - (D*s1234*s24^2*z3^2)/(4*s123*s23*s34*z12) - 
   (s12*s1234*s34*z3^2)/(s123*s124*s13*z12) + (D*s12*s1234*s34*z3^2)/
    (2*s123*s124*s13*z12) - (s1234*s14*s34*z3^2)/(s123*s124*s13*z12) + 
   (D*s1234*s14*s34*z3^2)/(2*s123*s124*s13*z12) + 
   (s12*s1234*s34*z3^2)/(s123*s124*s23*z12) - (D*s12*s1234*s34*z3^2)/
    (2*s123*s124*s23*z12) + (s1234*s14*s34*z3^2)/(s123*s124*s23*z12) - 
   (D*s1234*s14*s34*z3^2)/(2*s123*s124*s23*z12) - 
   (s1234*s24*s34*z3^2)/(s123*s124*s13*z12) + (D*s1234*s24*s34*z3^2)/
    (2*s123*s124*s13*z12) + (s1234*s24*s34*z3^2)/(s123*s124*s23*z12) - 
   (D*s1234*s24*s34*z3^2)/(2*s123*s124*s23*z12) + 
   (s1234*s14*z3^2)/(s12*s123*z123) + (D*s1234*s14*z3^2)/(4*s123*s13*z123) + 
   (s12*s1234*s14*z3^2)/(s123*s124*s13*z123) - (D*s12*s1234*s14*z3^2)/
    (4*s123*s124*s13*z123) + (s1234*s14^2*z3^2)/(s123*s124*s13*z123) - 
   (D*s1234*s14^2*z3^2)/(4*s123*s124*s13*z123) + 
   (s1234*s14*z3^2)/(s123*s23*z123) - (D*s1234*s14*z3^2)/(4*s123*s23*z123) - 
   (s12*s1234*s14*z3^2)/(s123*s124*s23*z123) + (D*s12*s1234*s14*z3^2)/
    (4*s123*s124*s23*z123) - (s1234*s13*s14*z3^2)/(s123*s124*s23*z123) + 
   (D*s1234*s13*s14*z3^2)/(4*s123*s124*s23*z123) - 
   (s1234*s14^2*z3^2)/(s123*s124*s23*z123) + (D*s1234*s14^2*z3^2)/
    (4*s123*s124*s23*z123) + (s1234*s14*s23*z3^2)/(s123*s124*s13*z123) - 
   (D*s1234*s14*s23*z3^2)/(4*s123*s124*s13*z123) - 
   (s1234*s24*z3^2)/(s12*s123*z123) - (s1234*s24*z3^2)/(s123*s13*z123) + 
   (D*s1234*s24*z3^2)/(4*s123*s13*z123) + (s12*s1234*s24*z3^2)/
    (s123*s124*s13*z123) - (D*s12*s1234*s24*z3^2)/(4*s123*s124*s13*z123) - 
   (s1234*s14*s24*z3^2)/(s12*s123*s13*z123) + (s1234*s14*s24*z3^2)/
    (s123*s124*s13*z123) - (D*s1234*s14*s24*z3^2)/(2*s123*s124*s13*z123) - 
   (s1234*s14^2*s24*z3^2)/(s12*s123*s124*s13*z123) - 
   (D*s1234*s24*z3^2)/(4*s123*s23*z123) - (s12*s1234*s24*z3^2)/
    (s123*s124*s23*z123) + (D*s12*s1234*s24*z3^2)/(4*s123*s124*s23*z123) - 
   (s1234*s13*s24*z3^2)/(s123*s124*s23*z123) + (D*s1234*s13*s24*z3^2)/
    (4*s123*s124*s23*z123) + (s1234*s14*s24*z3^2)/(s12*s123*s23*z123) - 
   (s1234*s14*s24*z3^2)/(s123*s124*s23*z123) + (D*s1234*s14*s24*z3^2)/
    (2*s123*s124*s23*z123) + (s1234*s13*s14*s24*z3^2)/
    (s12*s123*s124*s23*z123) + (s1234*s14^2*s24*z3^2)/
    (s12*s123*s124*s23*z123) + (s1234*s23*s24*z3^2)/(s123*s124*s13*z123) - 
   (D*s1234*s23*s24*z3^2)/(4*s123*s124*s13*z123) - 
   (s1234*s14*s23*s24*z3^2)/(s12*s123*s124*s13*z123) + 
   (s1234*s24^2*z3^2)/(s123*s124*s13*z123) - (D*s1234*s24^2*z3^2)/
    (4*s123*s124*s13*z123) - (s1234*s14*s24^2*z3^2)/
    (s12*s123*s124*s13*z123) - (s1234*s24^2*z3^2)/(s123*s124*s23*z123) + 
   (D*s1234*s24^2*z3^2)/(4*s123*s124*s23*z123) + 
   (s1234*s14*s24^2*z3^2)/(s12*s123*s124*s23*z123) + 
   (2*s1234*s14*z3^2)/(s123*s34*z123) + (D*s12*s1234*s14*z3^2)/
    (4*s123*s13*s34*z123) + (s1234*s13*s14*z3^2)/(s12*s123*s34*z123) + 
   (s1234*s14^2*z3^2)/(s12*s123*s34*z123) + (D*s1234*s14^2*z3^2)/
    (4*s123*s13*s34*z123) + (s12*s1234*s14*z3^2)/(s123*s23*s34*z123) - 
   (D*s12*s1234*s14*z3^2)/(4*s123*s23*s34*z123) + 
   (s1234*s13*s14*z3^2)/(s123*s23*s34*z123) - (D*s1234*s13*s14*z3^2)/
    (4*s123*s23*s34*z123) + (s1234*s14^2*z3^2)/(s123*s23*s34*z123) - 
   (D*s1234*s14^2*z3^2)/(4*s123*s23*s34*z123) + 
   (s1234*s14*s23*z3^2)/(s12*s123*s34*z123) + (D*s1234*s14*s23*z3^2)/
    (4*s123*s13*s34*z123) - (2*s1234*s24*z3^2)/(s123*s34*z123) - 
   (s12*s1234*s24*z3^2)/(s123*s13*s34*z123) + (D*s12*s1234*s24*z3^2)/
    (4*s123*s13*s34*z123) - (s1234*s13*s24*z3^2)/(s12*s123*s34*z123) - 
   (2*s1234*s14*s24*z3^2)/(s123*s13*s34*z123) + (D*s1234*s14*s24*z3^2)/
    (2*s123*s13*s34*z123) - (s1234*s14^2*s24*z3^2)/(s12*s123*s13*s34*z123) - 
   (D*s12*s1234*s24*z3^2)/(4*s123*s23*s34*z123) - 
   (D*s1234*s13*s24*z3^2)/(4*s123*s23*s34*z123) + 
   (2*s1234*s14*s24*z3^2)/(s123*s23*s34*z123) - (D*s1234*s14*s24*z3^2)/
    (2*s123*s23*s34*z123) + (s1234*s13*s14*s24*z3^2)/
    (s12*s123*s23*s34*z123) + (s1234*s14^2*s24*z3^2)/
    (s12*s123*s23*s34*z123) - (s1234*s23*s24*z3^2)/(s12*s123*s34*z123) - 
   (s1234*s23*s24*z3^2)/(s123*s13*s34*z123) + (D*s1234*s23*s24*z3^2)/
    (4*s123*s13*s34*z123) - (s1234*s14*s23*s24*z3^2)/
    (s12*s123*s13*s34*z123) - (s1234*s24^2*z3^2)/(s12*s123*s34*z123) - 
   (s1234*s24^2*z3^2)/(s123*s13*s34*z123) + (D*s1234*s24^2*z3^2)/
    (4*s123*s13*s34*z123) - (s1234*s14*s24^2*z3^2)/(s12*s123*s13*s34*z123) - 
   (D*s1234*s24^2*z3^2)/(4*s123*s23*s34*z123) + (s1234*s14*s24^2*z3^2)/
    (s12*s123*s23*s34*z123) + (s1234*s14*s34*z3^2)/(s123*s124*s13*z123) - 
   (D*s1234*s14*s34*z3^2)/(4*s123*s124*s13*z123) - 
   (s1234*s14*s34*z3^2)/(s123*s124*s23*z123) + (D*s1234*s14*s34*z3^2)/
    (4*s123*s124*s23*z123) + (s1234*s24*s34*z3^2)/(s123*s124*s13*z123) - 
   (D*s1234*s24*s34*z3^2)/(4*s123*s124*s13*z123) - 
   (s1234*s14*s24*s34*z3^2)/(s12*s123*s124*s13*z123) - 
   (s1234*s24*s34*z3^2)/(s123*s124*s23*z123) + (D*s1234*s24*s34*z3^2)/
    (4*s123*s124*s23*z123) + (s1234*s14*s24*s34*z3^2)/
    (s12*s123*s124*s23*z123) - (s1234*s24*z1*z3^2)/(s12*s123*z12*z123) - 
   (s1234*s24*z1*z3^2)/(s123*s124*z12*z123) - (s1234*s14*s24*z1*z3^2)/
    (s12*s123*s124*z12*z123) - (s1234*s24*z1*z3^2)/(s123*s23*z12*z123) - 
   (s12*s1234*s24*z1*z3^2)/(s123*s124*s23*z12*z123) - 
   (s1234*s13*s24*z1*z3^2)/(s12*s123*s23*z12*z123) - 
   (s1234*s13*s24*z1*z3^2)/(s123*s124*s23*z12*z123) - 
   (s1234*s14*s24*z1*z3^2)/(s12*s123*s23*z12*z123) - 
   (2*s1234*s14*s24*z1*z3^2)/(s123*s124*s23*z12*z123) - 
   (s1234*s13*s14*s24*z1*z3^2)/(s12*s123*s124*s23*z12*z123) - 
   (s1234*s14^2*s24*z1*z3^2)/(s12*s123*s124*s23*z12*z123) - 
   (s1234*s24^2*z1*z3^2)/(s12*s123*s124*z12*z123) - 
   (s1234*s24^2*z1*z3^2)/(s12*s123*s23*z12*z123) - 
   (2*s1234*s24^2*z1*z3^2)/(s123*s124*s23*z12*z123) - 
   (s1234*s13*s24^2*z1*z3^2)/(s12*s123*s124*s23*z12*z123) - 
   (2*s1234*s14*s24^2*z1*z3^2)/(s12*s123*s124*s23*z12*z123) - 
   (s1234*s24^3*z1*z3^2)/(s12*s123*s124*s23*z12*z123) - 
   (2*s1234*s24*z1*z3^2)/(s123*s34*z12*z123) - (2*s1234*s13*s24*z1*z3^2)/
    (s12*s123*s34*z12*z123) - (2*s1234*s14*s24*z1*z3^2)/
    (s12*s123*s34*z12*z123) - (s12*s1234*s24*z1*z3^2)/
    (s123*s23*s34*z12*z123) - (2*s1234*s13*s24*z1*z3^2)/
    (s123*s23*s34*z12*z123) - (s1234*s13^2*s24*z1*z3^2)/
    (s12*s123*s23*s34*z12*z123) - (2*s1234*s14*s24*z1*z3^2)/
    (s123*s23*s34*z12*z123) - (2*s1234*s13*s14*s24*z1*z3^2)/
    (s12*s123*s23*s34*z12*z123) - (s1234*s14^2*s24*z1*z3^2)/
    (s12*s123*s23*s34*z12*z123) - (s1234*s23*s24*z1*z3^2)/
    (s12*s123*s34*z12*z123) - (2*s1234*s24^2*z1*z3^2)/
    (s12*s123*s34*z12*z123) - (2*s1234*s24^2*z1*z3^2)/
    (s123*s23*s34*z12*z123) - (2*s1234*s13*s24^2*z1*z3^2)/
    (s12*s123*s23*s34*z12*z123) - (2*s1234*s14*s24^2*z1*z3^2)/
    (s12*s123*s23*s34*z12*z123) - (s1234*s24^3*z1*z3^2)/
    (s12*s123*s23*s34*z12*z123) - (s1234*s24*s34*z1*z3^2)/
    (s123*s124*s23*z12*z123) - (s1234*s14*s24*s34*z1*z3^2)/
    (s12*s123*s124*s23*z12*z123) - (s1234*s24^2*s34*z1*z3^2)/
    (s12*s123*s124*s23*z12*z123) + (s1234*s14*z2*z3^2)/(s12*s123*z12*z123) + 
   (s1234*s14*z2*z3^2)/(s123*s124*z12*z123) + (s1234*s14*z2*z3^2)/
    (s123*s13*z12*z123) + (s12*s1234*s14*z2*z3^2)/(s123*s124*s13*z12*z123) + 
   (s1234*s14^2*z2*z3^2)/(s12*s123*s124*z12*z123) + 
   (s1234*s14^2*z2*z3^2)/(s12*s123*s13*z12*z123) + 
   (2*s1234*s14^2*z2*z3^2)/(s123*s124*s13*z12*z123) + 
   (s1234*s14^3*z2*z3^2)/(s12*s123*s124*s13*z12*z123) + 
   (s1234*s14*s23*z2*z3^2)/(s12*s123*s13*z12*z123) + 
   (s1234*s14*s23*z2*z3^2)/(s123*s124*s13*z12*z123) + 
   (s1234*s14^2*s23*z2*z3^2)/(s12*s123*s124*s13*z12*z123) + 
   (s1234*s14*s24*z2*z3^2)/(s12*s123*s124*z12*z123) + 
   (s1234*s14*s24*z2*z3^2)/(s12*s123*s13*z12*z123) + 
   (2*s1234*s14*s24*z2*z3^2)/(s123*s124*s13*z12*z123) + 
   (2*s1234*s14^2*s24*z2*z3^2)/(s12*s123*s124*s13*z12*z123) + 
   (s1234*s14*s23*s24*z2*z3^2)/(s12*s123*s124*s13*z12*z123) + 
   (s1234*s14*s24^2*z2*z3^2)/(s12*s123*s124*s13*z12*z123) + 
   (2*s1234*s14*z2*z3^2)/(s123*s34*z12*z123) + (s12*s1234*s14*z2*z3^2)/
    (s123*s13*s34*z12*z123) + (s1234*s13*s14*z2*z3^2)/
    (s12*s123*s34*z12*z123) + (2*s1234*s14^2*z2*z3^2)/
    (s12*s123*s34*z12*z123) + (2*s1234*s14^2*z2*z3^2)/
    (s123*s13*s34*z12*z123) + (s1234*s14^3*z2*z3^2)/
    (s12*s123*s13*s34*z12*z123) + (2*s1234*s14*s23*z2*z3^2)/
    (s12*s123*s34*z12*z123) + (2*s1234*s14*s23*z2*z3^2)/
    (s123*s13*s34*z12*z123) + (2*s1234*s14^2*s23*z2*z3^2)/
    (s12*s123*s13*s34*z12*z123) + (s1234*s14*s23^2*z2*z3^2)/
    (s12*s123*s13*s34*z12*z123) + (2*s1234*s14*s24*z2*z3^2)/
    (s12*s123*s34*z12*z123) + (2*s1234*s14*s24*z2*z3^2)/
    (s123*s13*s34*z12*z123) + (2*s1234*s14^2*s24*z2*z3^2)/
    (s12*s123*s13*s34*z12*z123) + (2*s1234*s14*s23*s24*z2*z3^2)/
    (s12*s123*s13*s34*z12*z123) + (s1234*s14*s24^2*z2*z3^2)/
    (s12*s123*s13*s34*z12*z123) + (s1234*s14*s34*z2*z3^2)/
    (s123*s124*s13*z12*z123) + (s1234*s14^2*s34*z2*z3^2)/
    (s12*s123*s124*s13*z12*z123) + (s1234*s14*s24*s34*z2*z3^2)/
    (s12*s123*s124*s13*z12*z123) + (s12*s1234*z4)/(s123*s13) - 
   (D*s12*s1234*z4)/(2*s123*s13) + (2*s12^2*s1234*z4)/(s123*s124*s13) - 
   (D*s12^2*s1234*z4)/(2*s123*s124*s13) - (s1234*s13*z4)/(s12*s123) - 
   (D*s1234*s13*z4)/(2*s12*s123) + (D*s1234*s13*z4)/(4*s123*s124) - 
   (3*s1234*s14*z4)/(s12*s123) - (D*s1234*s14*z4)/(2*s12*s123) + 
   (4*s1234*s14*z4)/(s123*s124) - (3*D*s1234*s14*z4)/(2*s123*s124) + 
   (3*s12*s1234*s14*z4)/(s123*s124*s13) - (D*s12*s1234*s14*z4)/
    (2*s123*s124*s13) - (s1234*s13*s14*z4)/(s12*s123*s124) + 
   (D*s1234*s13*s14*z4)/(4*s12*s123*s124) + (3*s1234*s14^2*z4)/
    (s12*s123*s124) - (D*s1234*s14^2*z4)/(2*s12*s123*s124) + 
   (s1234*s14^2*z4)/(s123*s124*s13) - (s12*s1234*z4)/(s123*s23) + 
   (D*s12*s1234*z4)/(2*s123*s23) - (2*s12^2*s1234*z4)/(s123*s124*s23) + 
   (D*s12^2*s1234*z4)/(2*s123*s124*s23) + (s1234*s13*z4)/(s123*s23) - 
   (D*s1234*s13*z4)/(4*s123*s23) - (3*s12*s1234*s13*z4)/(s123*s124*s23) + 
   (3*D*s12*s1234*s13*z4)/(4*s123*s124*s23) - 
   (s1234*s13^2*z4)/(s123*s124*s23) + (D*s1234*s13^2*z4)/(4*s123*s124*s23) - 
   (D*s12*s1234*s14*z4)/(2*s123*s124*s23) - (D*s1234*s13*s14*z4)/
    (4*s123*s124*s23) + (s1234*s23*z4)/(s12*s123) + 
   (D*s1234*s23*z4)/(2*s12*s123) - (D*s1234*s23*z4)/(4*s123*s124) - 
   (s1234*s23*z4)/(s123*s13) + (D*s1234*s23*z4)/(4*s123*s13) + 
   (3*s12*s1234*s23*z4)/(s123*s124*s13) - (3*D*s12*s1234*s23*z4)/
    (4*s123*s124*s13) + (2*s1234*s14*s23*z4)/(s12*s123*s124) - 
   (3*D*s1234*s14*s23*z4)/(2*s12*s123*s124) + (3*s1234*s14*s23*z4)/
    (s12*s123*s13) - (D*s1234*s14*s23*z4)/(2*s12*s123*s13) + 
   (6*s1234*s14*s23*z4)/(s123*s124*s13) - (5*D*s1234*s14*s23*z4)/
    (4*s123*s124*s13) + (3*s1234*s14^2*s23*z4)/(s12*s123*s124*s13) - 
   (D*s1234*s14^2*s23*z4)/(2*s12*s123*s124*s13) + 
   (s1234*s23^2*z4)/(s123*s124*s13) - (D*s1234*s23^2*z4)/(4*s123*s124*s13) + 
   (3*s1234*s14*s23^2*z4)/(s12*s123*s124*s13) - (3*D*s1234*s14*s23^2*z4)/
    (4*s12*s123*s124*s13) + (3*s1234*s24*z4)/(s12*s123) + 
   (D*s1234*s24*z4)/(2*s12*s123) - (4*s1234*s24*z4)/(s123*s124) + 
   (3*D*s1234*s24*z4)/(2*s123*s124) + (D*s12*s1234*s24*z4)/
    (2*s123*s124*s13) - (2*s1234*s13*s24*z4)/(s12*s123*s124) + 
   (3*D*s1234*s13*s24*z4)/(2*s12*s123*s124) + (2*s1234*s14*s24*z4)/
    (s12*s123*s13) + (5*s1234*s14*s24*z4)/(s123*s124*s13) + 
   (4*s1234*s14^2*s24*z4)/(s12*s123*s124*s13) - 
   (3*s12*s1234*s24*z4)/(s123*s124*s23) + (D*s12*s1234*s24*z4)/
    (2*s123*s124*s23) - (3*s1234*s13*s24*z4)/(s12*s123*s23) + 
   (D*s1234*s13*s24*z4)/(2*s12*s123*s23) - (6*s1234*s13*s24*z4)/
    (s123*s124*s23) + (5*D*s1234*s13*s24*z4)/(4*s123*s124*s23) - 
   (3*s1234*s13^2*s24*z4)/(s12*s123*s124*s23) + (3*D*s1234*s13^2*s24*z4)/
    (4*s12*s123*s124*s23) - (2*s1234*s14*s24*z4)/(s12*s123*s23) - 
   (5*s1234*s14*s24*z4)/(s123*s124*s23) - (3*s1234*s13*s14*s24*z4)/
    (s12*s123*s124*s23) + (D*s1234*s13*s14*s24*z4)/(2*s12*s123*s124*s23) + 
   (s1234*s23*s24*z4)/(s12*s123*s124) - (D*s1234*s23*s24*z4)/
    (4*s12*s123*s124) + (D*s1234*s23*s24*z4)/(4*s123*s124*s13) + 
   (3*s1234*s14*s23*s24*z4)/(s12*s123*s124*s13) - 
   (D*s1234*s14*s23*s24*z4)/(2*s12*s123*s124*s13) - 
   (3*s1234*s24^2*z4)/(s12*s123*s124) + (D*s1234*s24^2*z4)/
    (2*s12*s123*s124) - (s1234*s24^2*z4)/(s123*s124*s23) - 
   (3*s1234*s13*s24^2*z4)/(s12*s123*s124*s23) + (D*s1234*s13*s24^2*z4)/
    (2*s12*s123*s124*s23) - (4*s1234*s14*s24^2*z4)/(s12*s123*s124*s23) - 
   (2*s1234*s13*z4)/(s123*s34) + (D*s1234*s13*z4)/(2*s123*s34) - 
   (2*s1234*s13^2*z4)/(s12*s123*s34) + (D*s1234*s13^2*z4)/(2*s12*s123*s34) + 
   (4*s1234*s14*z4)/(s123*s34) - (D*s1234*s14*z4)/(s123*s34) + 
   (4*s12*s1234*s14*z4)/(s123*s13*s34) - (D*s12*s1234*s14*z4)/
    (s123*s13*s34) - (D*s1234*s13*s14*z4)/(4*s12*s123*s34) + 
   (2*s1234*s14^2*z4)/(s123*s13*s34) + (2*s1234*s23*z4)/(s123*s34) - 
   (D*s1234*s23*z4)/(2*s123*s34) + (5*s1234*s14*s23*z4)/(s12*s123*s34) - 
   (D*s1234*s14*s23*z4)/(s12*s123*s34) + (5*s1234*s14*s23*z4)/
    (s123*s13*s34) - (D*s1234*s14*s23*z4)/(s123*s13*s34) + 
   (3*s1234*s14^2*s23*z4)/(s12*s123*s13*s34) + 
   (2*s1234*s23^2*z4)/(s12*s123*s34) - (D*s1234*s23^2*z4)/(2*s12*s123*s34) + 
   (3*s1234*s14*s23^2*z4)/(s12*s123*s13*s34) - (3*D*s1234*s14*s23^2*z4)/
    (4*s12*s123*s13*s34) - (4*s1234*s24*z4)/(s123*s34) + 
   (D*s1234*s24*z4)/(s123*s34) - (5*s1234*s13*s24*z4)/(s12*s123*s34) + 
   (D*s1234*s13*s24*z4)/(s12*s123*s34) + (2*s1234*s14*s24*z4)/
    (s123*s13*s34) + (4*s1234*s14^2*s24*z4)/(s12*s123*s13*s34) - 
   (4*s12*s1234*s24*z4)/(s123*s23*s34) + (D*s12*s1234*s24*z4)/
    (s123*s23*s34) - (5*s1234*s13*s24*z4)/(s123*s23*s34) + 
   (D*s1234*s13*s24*z4)/(s123*s23*s34) - (3*s1234*s13^2*s24*z4)/
    (s12*s123*s23*s34) + (3*D*s1234*s13^2*s24*z4)/(4*s12*s123*s23*s34) - 
   (2*s1234*s14*s24*z4)/(s123*s23*s34) - (s1234*s13*s14*s24*z4)/
    (s12*s123*s23*s34) + (D*s1234*s23*s24*z4)/(4*s12*s123*s34) + 
   (s1234*s14*s23*s24*z4)/(s12*s123*s13*s34) - 
   (2*s1234*s24^2*z4)/(s123*s23*s34) - (3*s1234*s13*s24^2*z4)/
    (s12*s123*s23*s34) - (4*s1234*s14*s24^2*z4)/(s12*s123*s23*s34) - 
   (2*s1234*s34*z4)/(s123*s13) + (D*s1234*s34*z4)/(2*s123*s13) - 
   (2*s12*s1234*s34*z4)/(s123*s124*s13) + (D*s12*s1234*s34*z4)/
    (2*s123*s124*s13) - (2*s1234*s14*s34*z4)/(s12*s123*s124) - 
   (2*s1234*s14*s34*z4)/(s123*s124*s13) + (D*s1234*s14*s34*z4)/
    (2*s123*s124*s13) + (2*s1234*s34*z4)/(s123*s23) - 
   (D*s1234*s34*z4)/(2*s123*s23) + (2*s12*s1234*s34*z4)/(s123*s124*s23) - 
   (D*s12*s1234*s34*z4)/(2*s123*s124*s23) + (2*s1234*s13*s34*z4)/
    (s123*s124*s23) - (D*s1234*s13*s34*z4)/(2*s123*s124*s23) + 
   (s1234*s14*s34*z4)/(s123*s124*s23) - (D*s1234*s14*s34*z4)/
    (2*s123*s124*s23) - (2*s1234*s23*s34*z4)/(s123*s124*s13) + 
   (D*s1234*s23*s34*z4)/(2*s123*s124*s13) + (s1234*s14*s23*s34*z4)/
    (s12*s123*s124*s13) + (2*s1234*s24*s34*z4)/(s12*s123*s124) - 
   (s1234*s24*s34*z4)/(s123*s124*s13) + (D*s1234*s24*s34*z4)/
    (2*s123*s124*s13) + (2*s1234*s14*s24*s34*z4)/(s12*s123*s124*s13) + 
   (2*s1234*s24*s34*z4)/(s123*s124*s23) - (D*s1234*s24*s34*z4)/
    (2*s123*s124*s23) - (s1234*s13*s24*s34*z4)/(s12*s123*s124*s23) - 
   (2*s1234*s14*s24*s34*z4)/(s12*s123*s124*s23) - 
   (s1234*s34^2*z4)/(s123*s124*s13) + (s1234*s34^2*z4)/(s123*s124*s23) - 
   (2*s1234*z1*z4)/(s123*z12) + (D*s1234*z1*z4)/(2*s123*z12) - 
   (D*s12*s1234*z1*z4)/(2*s123*s124*z12) - (s12*s1234*z1*z4)/(s123*s13*z12) + 
   (D*s1234*s13*z1*z4)/(4*s12*s123*z12) + (2*s1234*s13*z1*z4)/
    (s123*s124*z12) - (D*s1234*s13*z1*z4)/(2*s123*s124*z12) + 
   (2*s1234*s14*z1*z4)/(s12*s123*z12) - (D*s1234*s14*z1*z4)/
    (2*s123*s124*z12) - (2*s1234*s14*z1*z4)/(s123*s13*z12) + 
   (2*s12*s1234*s14*z1*z4)/(s123*s124*s13*z12) + 
   (2*s1234*s13*s14*z1*z4)/(s12*s123*s124*z12) - 
   (D*s1234*s13*s14*z1*z4)/(2*s12*s123*s124*z12) + 
   (2*s1234*s14^2*z1*z4)/(s123*s124*s13*z12) - (s12^2*s1234*z1*z4)/
    (s123*s124*s23*z12) - (s12*s1234*s13*z1*z4)/(s123*s124*s23*z12) - 
   (s1234*s14*z1*z4)/(s123*s23*z12) - (s12*s1234*s14*z1*z4)/
    (s123*s124*s23*z12) - (s1234*s13*s14*z1*z4)/(s123*s124*s23*z12) - 
   (s1234*s23*z1*z4)/(s12*s123*z12) - (s1234*s23*z1*z4)/(s123*s13*z12) - 
   (D*s1234*s23*z1*z4)/(2*s123*s13*z12) - (2*s12*s1234*s23*z1*z4)/
    (s123*s124*s13*z12) + (D*s12*s1234*s23*z1*z4)/(2*s123*s124*s13*z12) - 
   (2*s1234*s14*s23*z1*z4)/(s12*s123*s13*z12) - (2*s1234*s14*s23*z1*z4)/
    (s123*s124*s13*z12) + (D*s1234*s14*s23*z1*z4)/(2*s123*s124*s13*z12) - 
   (s1234*s23^2*z1*z4)/(s12*s123*s13*z12) - (D*s1234*s23^2*z1*z4)/
    (4*s12*s123*s13*z12) - (2*s1234*s23^2*z1*z4)/(s123*s124*s13*z12) + 
   (D*s1234*s23^2*z1*z4)/(2*s123*s124*s13*z12) - (2*s1234*s14*s23^2*z1*z4)/
    (s12*s123*s124*s13*z12) + (D*s1234*s14*s23^2*z1*z4)/
    (2*s12*s123*s124*s13*z12) + (2*s1234*s24*z1*z4)/(s12*s123*z12) + 
   (2*s1234*s24*z1*z4)/(s123*s124*z12) - (D*s1234*s24*z1*z4)/
    (2*s123*s124*z12) - (s12*s1234*s24*z1*z4)/(s123*s124*s13*z12) + 
   (2*s1234*s13*s24*z1*z4)/(s12*s123*s124*z12) - 
   (D*s1234*s13*s24*z1*z4)/(2*s12*s123*s124*z12) + 
   (2*s1234*s14*s24*z1*z4)/(s12*s123*s124*z12) - 
   (s1234*s14*s24*z1*z4)/(s123*s124*s13*z12) - (2*s1234*s14^2*s24*z1*z4)/
    (s12*s123*s124*s13*z12) + (s1234*s24*z1*z4)/(s123*s23*z12) - 
   (2*s12*s1234*s24*z1*z4)/(s123*s124*s23*z12) + 
   (s1234*s13*s24*z1*z4)/(s12*s123*s23*z12) + (2*s1234*s14*s24*z1*z4)/
    (s12*s123*s23*z12) - (s1234*s14*s24*z1*z4)/(s123*s124*s23*z12) + 
   (s1234*s13*s14*s24*z1*z4)/(s12*s123*s124*s23*z12) - 
   (3*s1234*s23*s24*z1*z4)/(s12*s123*s13*z12) - (s1234*s23*s24*z1*z4)/
    (s123*s124*s13*z12) + (D*s1234*s23*s24*z1*z4)/(2*s123*s124*s13*z12) + 
   (s1234*s14*s23*s24*z1*z4)/(s12*s123*s124*s13*z12) - 
   (2*s1234*s23^2*s24*z1*z4)/(s12*s123*s124*s13*z12) + 
   (D*s1234*s23^2*s24*z1*z4)/(2*s12*s123*s124*s13*z12) + 
   (2*s1234*s24^2*z1*z4)/(s12*s123*s124*z12) - (s1234*s24^2*z1*z4)/
    (s123*s124*s13*z12) - (2*s1234*s14*s24^2*z1*z4)/(s12*s123*s124*s13*z12) + 
   (2*s1234*s24^2*z1*z4)/(s12*s123*s23*z12) + (s1234*s24^2*z1*z4)/
    (s123*s124*s23*z12) + (s1234*s13*s24^2*z1*z4)/(s12*s123*s124*s23*z12) + 
   (2*s1234*s14*s24^2*z1*z4)/(s12*s123*s124*s23*z12) + 
   (s1234*s23*s24^2*z1*z4)/(s12*s123*s124*s13*z12) + 
   (2*s1234*s24^3*z1*z4)/(s12*s123*s124*s23*z12) - 
   (s12*s1234*z1*z4)/(s123*s34*z12) - (D*s1234*s13*z1*z4)/(4*s123*s34*z12) + 
   (s1234*s13^2*z1*z4)/(s12*s123*s34*z12) - (D*s1234*s13^2*z1*z4)/
    (4*s12*s123*s34*z12) + (s1234*s14*z1*z4)/(s123*s34*z12) + 
   (s12*s1234*s14*z1*z4)/(s123*s13*s34*z12) + (2*s1234*s13*s14*z1*z4)/
    (s12*s123*s34*z12) - (D*s1234*s13*s14*z1*z4)/(4*s12*s123*s34*z12) + 
   (s1234*s14^2*z1*z4)/(s12*s123*s34*z12) + (s1234*s14^2*z1*z4)/
    (s123*s13*s34*z12) - (s1234*s23*z1*z4)/(s123*s34*z12) + 
   (s1234*s13*s23*z1*z4)/(s12*s123*s34*z12) - (D*s1234*s13*s23*z1*z4)/
    (4*s12*s123*s34*z12) + (s1234*s14*s23*z1*z4)/(s12*s123*s34*z12) + 
   (s1234*s14*s23*z1*z4)/(s123*s13*s34*z12) - (s1234*s23^2*z1*z4)/
    (s12*s123*s34*z12) + (D*s1234*s23^2*z1*z4)/(4*s12*s123*s34*z12) - 
   (s1234*s23^2*z1*z4)/(s123*s13*s34*z12) + (D*s1234*s23^2*z1*z4)/
    (4*s123*s13*s34*z12) - (s1234*s14*s23^2*z1*z4)/(s12*s123*s13*s34*z12) + 
   (D*s1234*s14*s23^2*z1*z4)/(4*s12*s123*s13*s34*z12) - 
   (s1234*s23^3*z1*z4)/(s12*s123*s13*s34*z12) + (D*s1234*s23^3*z1*z4)/
    (4*s12*s123*s13*s34*z12) - (s1234*s24*z1*z4)/(s123*s34*z12) + 
   (2*s1234*s13*s24*z1*z4)/(s12*s123*s34*z12) - (D*s1234*s13*s24*z1*z4)/
    (4*s12*s123*s34*z12) - (s1234*s14*s24*z1*z4)/(s123*s13*s34*z12) - 
   (2*s1234*s14^2*s24*z1*z4)/(s12*s123*s13*s34*z12) - 
   (s12*s1234*s24*z1*z4)/(s123*s23*s34*z12) - (s1234*s13*s24*z1*z4)/
    (s123*s23*s34*z12) - (s1234*s14*s24*z1*z4)/(s123*s23*s34*z12) + 
   (s1234*s23*s24*z1*z4)/(s12*s123*s34*z12) - (2*s1234*s14*s23*s24*z1*z4)/
    (s12*s123*s13*s34*z12) - (s1234*s23^2*s24*z1*z4)/(s12*s123*s13*s34*z12) + 
   (D*s1234*s23^2*s24*z1*z4)/(4*s12*s123*s13*s34*z12) + 
   (3*s1234*s24^2*z1*z4)/(s12*s123*s34*z12) - (2*s1234*s14*s24^2*z1*z4)/
    (s12*s123*s13*s34*z12) + (s1234*s24^2*z1*z4)/(s123*s23*s34*z12) + 
   (2*s1234*s13*s24^2*z1*z4)/(s12*s123*s23*s34*z12) + 
   (2*s1234*s14*s24^2*z1*z4)/(s12*s123*s23*s34*z12) + 
   (2*s1234*s24^3*z1*z4)/(s12*s123*s23*s34*z12) + 
   (s1234*s34*z1*z4)/(s123*s124*z12) - (s1234*s34*z1*z4)/(s123*s13*z12) + 
   (s1234*s14*s34*z1*z4)/(s12*s123*s124*z12) + 
   (s1234*s34*z1*z4)/(s123*s23*z12) - (2*s12*s1234*s34*z1*z4)/
    (s123*s124*s23*z12) - (2*s1234*s14*s34*z1*z4)/(s123*s124*s23*z12) - 
   (2*s1234*s23*s34*z1*z4)/(s123*s124*s13*z12) - (2*s1234*s14*s23*s34*z1*z4)/
    (s12*s123*s124*s13*z12) + (s1234*s24*s34*z1*z4)/(s12*s123*s124*z12) + 
   (2*s1234*s14*s24*s34*z1*z4)/(s12*s123*s124*s23*z12) - 
   (2*s1234*s23*s24*s34*z1*z4)/(s12*s123*s124*s13*z12) + 
   (2*s1234*s24^2*s34*z1*z4)/(s12*s123*s124*s23*z12) - 
   (2*s1234*z1*z4)/(s123*z123) + (D*s1234*z1*z4)/(2*s123*z123) + 
   (D*s12*s1234*z1*z4)/(2*s123*s124*z123) - (3*s12*s1234*z1*z4)/
    (s123*s13*z123) + (2*s12^2*s1234*z1*z4)/(s123*s124*s13*z123) - 
   (2*s1234*s13*z1*z4)/(s12*s123*z123) + (3*D*s1234*s13*z1*z4)/
    (4*s12*s123*z123) - (2*s1234*s13*z1*z4)/(s123*s124*z123) + 
   (3*D*s1234*s13*z1*z4)/(4*s123*s124*z123) - (s1234*s13^2*z1*z4)/
    (s12*s123*s124*z123) + (D*s1234*s13^2*z1*z4)/(4*s12*s123*s124*z123) + 
   (D*s1234*s14*z1*z4)/(2*s12*s123*z123) - (s1234*s14*z1*z4)/
    (s123*s124*z123) + (D*s1234*s14*z1*z4)/(s123*s124*z123) - 
   (2*s1234*s14*z1*z4)/(s123*s13*z123) + (4*s12*s1234*s14*z1*z4)/
    (s123*s124*s13*z123) - (3*s1234*s13*s14*z1*z4)/(s12*s123*s124*z123) + 
   (3*D*s1234*s13*s14*z1*z4)/(4*s12*s123*s124*z123) - 
   (2*s1234*s14^2*z1*z4)/(s12*s123*s124*z123) + (D*s1234*s14^2*z1*z4)/
    (2*s12*s123*s124*z123) + (2*s1234*s14^2*z1*z4)/(s123*s124*s13*z123) + 
   (s12*s1234*z1*z4)/(s123*s23*z123) - (s12^2*s1234*z1*z4)/
    (s123*s124*s23*z123) + (s1234*s13*z1*z4)/(s123*s23*z123) - 
   (s12*s1234*s13*z1*z4)/(s123*s124*s23*z123) + 
   (s1234*s14*z1*z4)/(s123*s23*z123) - (s12*s1234*s14*z1*z4)/
    (s123*s124*s23*z123) - (3*s1234*s23*z1*z4)/(s12*s123*z123) + 
   (3*D*s1234*s23*z1*z4)/(2*s12*s123*z123) - (6*s1234*s23*z1*z4)/
    (s123*s124*z123) + (3*D*s1234*s23*z1*z4)/(2*s123*s124*z123) - 
   (5*s1234*s23*z1*z4)/(s123*s13*z123) + (D*s1234*s23*z1*z4)/
    (2*s123*s13*z123) - (s12*s1234*s23*z1*z4)/(s123*s124*s13*z123) + 
   (D*s12*s1234*s23*z1*z4)/(2*s123*s124*s13*z123) - 
   (3*s1234*s13*s23*z1*z4)/(s12*s123*s124*z123) + 
   (3*D*s1234*s13*s23*z1*z4)/(4*s12*s123*s124*z123) - 
   (5*s1234*s14*s23*z1*z4)/(s12*s123*s124*z123) + 
   (3*D*s1234*s14*s23*z1*z4)/(2*s12*s123*s124*z123) - 
   (3*s1234*s14*s23*z1*z4)/(s12*s123*s13*z123) + 
   (D*s1234*s14*s23*z1*z4)/(2*s12*s123*s13*z123) - 
   (2*s1234*s14*s23*z1*z4)/(s123*s124*s13*z123) + 
   (D*s1234*s14*s23*z1*z4)/(s123*s124*s13*z123) - 
   (s1234*s14^2*s23*z1*z4)/(s12*s123*s124*s13*z123) + 
   (D*s1234*s14^2*s23*z1*z4)/(2*s12*s123*s124*s13*z123) - 
   (3*s1234*s23^2*z1*z4)/(s12*s123*s124*z123) + (3*D*s1234*s23^2*z1*z4)/
    (4*s12*s123*s124*z123) - (3*s1234*s23^2*z1*z4)/(s12*s123*s13*z123) + 
   (3*D*s1234*s23^2*z1*z4)/(4*s12*s123*s13*z123) - 
   (4*s1234*s23^2*z1*z4)/(s123*s124*s13*z123) + (3*D*s1234*s23^2*z1*z4)/
    (4*s123*s124*s13*z123) - (2*s1234*s14*s23^2*z1*z4)/
    (s12*s123*s124*s13*z123) + (3*D*s1234*s14*s23^2*z1*z4)/
    (4*s12*s123*s124*s13*z123) - (s1234*s23^3*z1*z4)/
    (s12*s123*s124*s13*z123) + (D*s1234*s23^3*z1*z4)/
    (4*s12*s123*s124*s13*z123) + (4*s1234*s24*z1*z4)/(s12*s123*z123) + 
   (D*s1234*s24*z1*z4)/(2*s12*s123*z123) - (s1234*s24*z1*z4)/
    (s123*s124*z123) + (D*s1234*s24*z1*z4)/(s123*s124*z123) - 
   (s1234*s24*z1*z4)/(s123*s13*z123) + (s12*s1234*s24*z1*z4)/
    (s123*s124*s13*z123) - (4*s1234*s13*s24*z1*z4)/(s12*s123*s124*z123) + 
   (3*D*s1234*s13*s24*z1*z4)/(4*s12*s123*s124*z123) - 
   (4*s1234*s14*s24*z1*z4)/(s12*s123*s124*z123) + 
   (D*s1234*s14*s24*z1*z4)/(s12*s123*s124*z123) - 
   (s1234*s14*s24*z1*z4)/(s123*s124*s13*z123) - (2*s1234*s14^2*s24*z1*z4)/
    (s12*s123*s124*s13*z123) - (s1234*s13*s24*z1*z4)/(s12*s123*s23*z123) - 
   (2*s1234*s13*s24*z1*z4)/(s123*s124*s23*z123) - 
   (3*s1234*s13^2*s24*z1*z4)/(s12*s123*s124*s23*z123) + 
   (s1234*s14*s24*z1*z4)/(s123*s124*s23*z123) - (3*s1234*s13*s14*s24*z1*z4)/
    (s12*s123*s124*s23*z123) - (4*s1234*s23*s24*z1*z4)/(s12*s123*s124*z123) + 
   (3*D*s1234*s23*s24*z1*z4)/(2*s12*s123*s124*z123) + 
   (D*s1234*s23*s24*z1*z4)/(2*s12*s123*s13*z123) - 
   (6*s1234*s23*s24*z1*z4)/(s123*s124*s13*z123) + 
   (D*s1234*s23*s24*z1*z4)/(s123*s124*s13*z123) - 
   (5*s1234*s14*s23*s24*z1*z4)/(s12*s123*s124*s13*z123) + 
   (D*s1234*s14*s23*s24*z1*z4)/(s12*s123*s124*s13*z123) - 
   (3*s1234*s23^2*s24*z1*z4)/(s12*s123*s124*s13*z123) + 
   (3*D*s1234*s23^2*s24*z1*z4)/(4*s12*s123*s124*s13*z123) + 
   (2*s1234*s24^2*z1*z4)/(s12*s123*s124*z123) + (D*s1234*s24^2*z1*z4)/
    (2*s12*s123*s124*z123) + (2*s1234*s24^2*z1*z4)/(s12*s123*s13*z123) - 
   (s1234*s24^2*z1*z4)/(s123*s124*s13*z123) - (2*s1234*s14*s24^2*z1*z4)/
    (s12*s123*s124*s13*z123) + (2*s1234*s24^2*z1*z4)/(s12*s123*s23*z123) + 
   (3*s1234*s24^2*z1*z4)/(s123*s124*s23*z123) - (s1234*s13*s24^2*z1*z4)/
    (s12*s123*s124*s23*z123) + (2*s1234*s14*s24^2*z1*z4)/
    (s12*s123*s124*s23*z123) - (2*s1234*s23*s24^2*z1*z4)/
    (s12*s123*s124*s13*z123) + (D*s1234*s23*s24^2*z1*z4)/
    (2*s12*s123*s124*s13*z123) + (2*s1234*s24^3*z1*z4)/
    (s12*s123*s124*s23*z123) + (s12*s1234*z1*z4)/(s123*s34*z123) + 
   (D*s1234*s13*z1*z4)/(4*s123*s34*z123) - (s1234*s13^2*z1*z4)/
    (s12*s123*s34*z123) + (D*s1234*s13^2*z1*z4)/(4*s12*s123*s34*z123) + 
   (3*s1234*s14*z1*z4)/(s123*s34*z123) + (s12*s1234*s14*z1*z4)/
    (s123*s13*s34*z123) + (D*s1234*s13*s14*z1*z4)/(4*s12*s123*s34*z123) + 
   (s1234*s14^2*z1*z4)/(s12*s123*s34*z123) + (s1234*s14^2*z1*z4)/
    (s123*s13*s34*z123) + (s1234*s23*z1*z4)/(s123*s34*z123) + 
   (D*s1234*s23*z1*z4)/(2*s123*s34*z123) - (s1234*s13*s23*z1*z4)/
    (s12*s123*s34*z123) + (3*D*s1234*s13*s23*z1*z4)/(4*s12*s123*s34*z123) + 
   (D*s1234*s14*s23*z1*z4)/(2*s12*s123*s34*z123) - 
   (s1234*s14^2*s23*z1*z4)/(s12*s123*s13*s34*z123) - 
   (s1234*s23^2*z1*z4)/(s12*s123*s34*z123) + (3*D*s1234*s23^2*z1*z4)/
    (4*s12*s123*s34*z123) - (s1234*s23^2*z1*z4)/(s123*s13*s34*z123) + 
   (D*s1234*s23^2*z1*z4)/(4*s123*s13*s34*z123) - (2*s1234*s14*s23^2*z1*z4)/
    (s12*s123*s13*s34*z123) + (D*s1234*s14*s23^2*z1*z4)/
    (4*s12*s123*s13*s34*z123) - (s1234*s23^3*z1*z4)/(s12*s123*s13*s34*z123) + 
   (D*s1234*s23^3*z1*z4)/(4*s12*s123*s13*s34*z123) + 
   (3*s1234*s24*z1*z4)/(s123*s34*z123) + (s1234*s13*s24*z1*z4)/
    (s12*s123*s34*z123) + (D*s1234*s13*s24*z1*z4)/(4*s12*s123*s34*z123) + 
   (2*s1234*s14*s24*z1*z4)/(s12*s123*s34*z123) - 
   (s1234*s14*s24*z1*z4)/(s123*s13*s34*z123) - (2*s1234*s14^2*s24*z1*z4)/
    (s12*s123*s13*s34*z123) - (s12*s1234*s24*z1*z4)/(s123*s23*s34*z123) - 
   (2*s1234*s13*s24*z1*z4)/(s123*s23*s34*z123) - 
   (s1234*s13^2*s24*z1*z4)/(s12*s123*s23*s34*z123) - 
   (s1234*s14*s24*z1*z4)/(s123*s23*s34*z123) - (s1234*s13*s14*s24*z1*z4)/
    (s12*s123*s23*s34*z123) + (3*s1234*s23*s24*z1*z4)/(s12*s123*s34*z123) + 
   (D*s1234*s23*s24*z1*z4)/(2*s12*s123*s34*z123) - 
   (3*s1234*s14*s23*s24*z1*z4)/(s12*s123*s13*s34*z123) - 
   (s1234*s23^2*s24*z1*z4)/(s12*s123*s13*s34*z123) + 
   (D*s1234*s23^2*s24*z1*z4)/(4*s12*s123*s13*s34*z123) + 
   (5*s1234*s24^2*z1*z4)/(s12*s123*s34*z123) - (2*s1234*s14*s24^2*z1*z4)/
    (s12*s123*s13*s34*z123) + (s1234*s24^2*z1*z4)/(s123*s23*s34*z123) + 
   (s1234*s13*s24^2*z1*z4)/(s12*s123*s23*s34*z123) + 
   (2*s1234*s14*s24^2*z1*z4)/(s12*s123*s23*s34*z123) + 
   (2*s1234*s24^3*z1*z4)/(s12*s123*s23*s34*z123) - 
   (s1234*s34*z1*z4)/(s12*s123*z123) + (D*s1234*s34*z1*z4)/
    (2*s12*s123*z123) + (D*s1234*s34*z1*z4)/(2*s123*s124*z123) - 
   (3*s1234*s34*z1*z4)/(s123*s13*z123) - (s1234*s13*s34*z1*z4)/
    (s12*s123*s124*z123) + (D*s1234*s13*s34*z1*z4)/(4*s12*s123*s124*z123) - 
   (2*s1234*s14*s34*z1*z4)/(s12*s123*s124*z123) + 
   (D*s1234*s14*s34*z1*z4)/(2*s12*s123*s124*z123) + 
   (s1234*s34*z1*z4)/(s123*s23*z123) + (2*s12*s1234*s34*z1*z4)/
    (s123*s124*s23*z123) + (3*s1234*s13*s34*z1*z4)/(s123*s124*s23*z123) + 
   (3*s1234*s14*s34*z1*z4)/(s123*s124*s23*z123) - 
   (2*s1234*s23*s34*z1*z4)/(s12*s123*s124*z123) + 
   (D*s1234*s23*s34*z1*z4)/(2*s12*s123*s124*z123) - 
   (2*s1234*s23*s34*z1*z4)/(s12*s123*s13*z123) + 
   (D*s1234*s23*s34*z1*z4)/(2*s12*s123*s13*z123) - 
   (5*s1234*s23*s34*z1*z4)/(s123*s124*s13*z123) + 
   (D*s1234*s23*s34*z1*z4)/(2*s123*s124*s13*z123) - 
   (s1234*s14*s23*s34*z1*z4)/(s12*s123*s124*s13*z123) + 
   (D*s1234*s14*s23*s34*z1*z4)/(2*s12*s123*s124*s13*z123) - 
   (s1234*s23^2*s34*z1*z4)/(s12*s123*s124*s13*z123) + 
   (D*s1234*s23^2*s34*z1*z4)/(4*s12*s123*s124*s13*z123) + 
   (2*s1234*s24*s34*z1*z4)/(s12*s123*s124*z123) + 
   (D*s1234*s24*s34*z1*z4)/(2*s12*s123*s124*z123) + 
   (2*s1234*s24*s34*z1*z4)/(s12*s123*s13*z123) - 
   (s1234*s24*s34*z1*z4)/(s123*s124*s13*z123) + (4*s1234*s24*s34*z1*z4)/
    (s123*s124*s23*z123) - (3*s1234*s13*s24*s34*z1*z4)/
    (s12*s123*s124*s23*z123) + (D*s1234*s23*s24*s34*z1*z4)/
    (2*s12*s123*s124*s13*z123) + (2*s1234*s24^2*s34*z1*z4)/
    (s12*s123*s124*s13*z123) + (2*s1234*s24^2*s34*z1*z4)/
    (s12*s123*s124*s23*z123) - (2*s1234*s34^2*z1*z4)/(s123*s124*s13*z123) + 
   (3*s1234*s34^2*z1*z4)/(s123*s124*s23*z123) + (2*s1234*s24*s34^2*z1*z4)/
    (s12*s123*s124*s13*z123) - (2*s1234*z1^2*z4)/(s123*z12*z123) + 
   (2*s12*s1234*z1^2*z4)/(s123*s124*z12*z123) - (2*s1234*s13*z1^2*z4)/
    (s12*s123*z12*z123) + (2*s1234*s13*z1^2*z4)/(s123*s124*z12*z123) - 
   (2*s1234*s14*z1^2*z4)/(s12*s123*z12*z123) + (4*s1234*s14*z1^2*z4)/
    (s123*s124*z12*z123) + (2*s1234*s13*s14*z1^2*z4)/
    (s12*s123*s124*z12*z123) + (2*s1234*s14^2*z1^2*z4)/
    (s12*s123*s124*z12*z123) - (2*s1234*s23*z1^2*z4)/(s12*s123*z12*z123) + 
   (2*s1234*s23*z1^2*z4)/(s123*s124*z12*z123) + (2*s1234*s14*s23*z1^2*z4)/
    (s12*s123*s124*z12*z123) - (2*s1234*s24*z1^2*z4)/(s12*s123*z12*z123) + 
   (4*s1234*s24*z1^2*z4)/(s123*s124*z12*z123) + (2*s1234*s13*s24*z1^2*z4)/
    (s12*s123*s124*z12*z123) + (4*s1234*s14*s24*z1^2*z4)/
    (s12*s123*s124*z12*z123) + (2*s1234*s23*s24*z1^2*z4)/
    (s12*s123*s124*z12*z123) + (2*s1234*s24^2*z1^2*z4)/
    (s12*s123*s124*z12*z123) - (2*s1234*s34*z1^2*z4)/(s12*s123*z12*z123) + 
   (2*s1234*s34*z1^2*z4)/(s123*s124*z12*z123) + (2*s1234*s14*s34*z1^2*z4)/
    (s12*s123*s124*z12*z123) + (2*s1234*s24*s34*z1^2*z4)/
    (s12*s123*s124*z12*z123) + (2*s1234*z2*z4)/(s123*z12) - 
   (D*s1234*z2*z4)/(2*s123*z12) + (D*s12*s1234*z2*z4)/(2*s123*s124*z12) + 
   (s12^2*s1234*z2*z4)/(s123*s124*s13*z12) + (s1234*s13*z2*z4)/
    (s12*s123*z12) - (2*s1234*s14*z2*z4)/(s12*s123*z12) - 
   (2*s1234*s14*z2*z4)/(s123*s124*z12) + (D*s1234*s14*z2*z4)/
    (2*s123*s124*z12) - (s1234*s14*z2*z4)/(s123*s13*z12) + 
   (2*s12*s1234*s14*z2*z4)/(s123*s124*s13*z12) - 
   (2*s1234*s14^2*z2*z4)/(s12*s123*s124*z12) - (2*s1234*s14^2*z2*z4)/
    (s12*s123*s13*z12) - (s1234*s14^2*z2*z4)/(s123*s124*s13*z12) - 
   (2*s1234*s14^3*z2*z4)/(s12*s123*s124*s13*z12) + 
   (s12*s1234*z2*z4)/(s123*s23*z12) + (s1234*s13*z2*z4)/(s123*s23*z12) + 
   (D*s1234*s13*z2*z4)/(2*s123*s23*z12) + (2*s12*s1234*s13*z2*z4)/
    (s123*s124*s23*z12) - (D*s12*s1234*s13*z2*z4)/(2*s123*s124*s23*z12) + 
   (s1234*s13^2*z2*z4)/(s12*s123*s23*z12) + (D*s1234*s13^2*z2*z4)/
    (4*s12*s123*s23*z12) + (2*s1234*s13^2*z2*z4)/(s123*s124*s23*z12) - 
   (D*s1234*s13^2*z2*z4)/(2*s123*s124*s23*z12) + 
   (s12*s1234*s14*z2*z4)/(s123*s124*s23*z12) + (3*s1234*s13*s14*z2*z4)/
    (s12*s123*s23*z12) + (s1234*s13*s14*z2*z4)/(s123*s124*s23*z12) - 
   (D*s1234*s13*s14*z2*z4)/(2*s123*s124*s23*z12) + 
   (2*s1234*s13^2*s14*z2*z4)/(s12*s123*s124*s23*z12) - 
   (D*s1234*s13^2*s14*z2*z4)/(2*s12*s123*s124*s23*z12) + 
   (s1234*s14^2*z2*z4)/(s123*s124*s23*z12) - (s1234*s13*s14^2*z2*z4)/
    (s12*s123*s124*s23*z12) - (D*s1234*s23*z2*z4)/(4*s12*s123*z12) - 
   (2*s1234*s23*z2*z4)/(s123*s124*z12) + (D*s1234*s23*z2*z4)/
    (2*s123*s124*z12) + (s12*s1234*s23*z2*z4)/(s123*s124*s13*z12) - 
   (2*s1234*s14*s23*z2*z4)/(s12*s123*s124*z12) + 
   (D*s1234*s14*s23*z2*z4)/(2*s12*s123*s124*z12) - 
   (s1234*s14*s23*z2*z4)/(s12*s123*s13*z12) - (s1234*s14^2*s23*z2*z4)/
    (s12*s123*s124*s13*z12) - (2*s1234*s24*z2*z4)/(s12*s123*z12) + 
   (D*s1234*s24*z2*z4)/(2*s123*s124*z12) + (s1234*s24*z2*z4)/(s123*s13*z12) + 
   (s12*s1234*s24*z2*z4)/(s123*s124*s13*z12) - (2*s1234*s14*s24*z2*z4)/
    (s12*s123*s124*z12) - (2*s1234*s14*s24*z2*z4)/(s12*s123*s13*z12) + 
   (s1234*s14*s24*z2*z4)/(s123*s124*s13*z12) - (2*s1234*s14^2*s24*z2*z4)/
    (s12*s123*s124*s13*z12) + (2*s1234*s24*z2*z4)/(s123*s23*z12) - 
   (2*s12*s1234*s24*z2*z4)/(s123*s124*s23*z12) + 
   (2*s1234*s13*s24*z2*z4)/(s12*s123*s23*z12) + (2*s1234*s13*s24*z2*z4)/
    (s123*s124*s23*z12) - (D*s1234*s13*s24*z2*z4)/(2*s123*s124*s23*z12) + 
   (2*s1234*s13^2*s24*z2*z4)/(s12*s123*s124*s23*z12) - 
   (D*s1234*s13^2*s24*z2*z4)/(2*s12*s123*s124*s23*z12) + 
   (s1234*s14*s24*z2*z4)/(s123*s124*s23*z12) - (s1234*s13*s14*s24*z2*z4)/
    (s12*s123*s124*s23*z12) + (2*s1234*s14^2*s24*z2*z4)/
    (s12*s123*s124*s23*z12) - (2*s1234*s23*s24*z2*z4)/(s12*s123*s124*z12) + 
   (D*s1234*s23*s24*z2*z4)/(2*s12*s123*s124*z12) + 
   (s1234*s23*s24*z2*z4)/(s123*s124*s13*z12) - (s1234*s14*s23*s24*z2*z4)/
    (s12*s123*s124*s13*z12) - (2*s1234*s24^2*z2*z4)/(s123*s124*s23*z12) + 
   (2*s1234*s14*s24^2*z2*z4)/(s12*s123*s124*s23*z12) + 
   (s12*s1234*z2*z4)/(s123*s34*z12) + (s1234*s13*z2*z4)/(s123*s34*z12) + 
   (s1234*s13^2*z2*z4)/(s12*s123*s34*z12) - (D*s1234*s13^2*z2*z4)/
    (4*s12*s123*s34*z12) + (s1234*s14*z2*z4)/(s123*s34*z12) + 
   (s12*s1234*s14*z2*z4)/(s123*s13*s34*z12) - (s1234*s13*s14*z2*z4)/
    (s12*s123*s34*z12) - (3*s1234*s14^2*z2*z4)/(s12*s123*s34*z12) - 
   (s1234*s14^2*z2*z4)/(s123*s13*s34*z12) - (2*s1234*s14^3*z2*z4)/
    (s12*s123*s13*s34*z12) + (s1234*s13^2*z2*z4)/(s123*s23*s34*z12) - 
   (D*s1234*s13^2*z2*z4)/(4*s123*s23*s34*z12) + 
   (s1234*s13^3*z2*z4)/(s12*s123*s23*s34*z12) - (D*s1234*s13^3*z2*z4)/
    (4*s12*s123*s23*s34*z12) + (s1234*s13^2*s14*z2*z4)/
    (s12*s123*s23*s34*z12) - (D*s1234*s13^2*s14*z2*z4)/
    (4*s12*s123*s23*s34*z12) + (D*s1234*s23*z2*z4)/(4*s123*s34*z12) - 
   (s1234*s13*s23*z2*z4)/(s12*s123*s34*z12) + (D*s1234*s13*s23*z2*z4)/
    (4*s12*s123*s34*z12) - (2*s1234*s14*s23*z2*z4)/(s12*s123*s34*z12) + 
   (D*s1234*s14*s23*z2*z4)/(4*s12*s123*s34*z12) + 
   (s1234*s14*s23*z2*z4)/(s123*s13*s34*z12) - (2*s1234*s14^2*s23*z2*z4)/
    (s12*s123*s13*s34*z12) - (s1234*s23^2*z2*z4)/(s12*s123*s34*z12) + 
   (D*s1234*s23^2*z2*z4)/(4*s12*s123*s34*z12) - 
   (s1234*s24*z2*z4)/(s123*s34*z12) - (s1234*s13*s24*z2*z4)/
    (s12*s123*s34*z12) + (s1234*s14*s24*z2*z4)/(s123*s13*s34*z12) - 
   (2*s1234*s14^2*s24*z2*z4)/(s12*s123*s13*s34*z12) - 
   (s12*s1234*s24*z2*z4)/(s123*s23*s34*z12) - (s1234*s13*s24*z2*z4)/
    (s123*s23*s34*z12) + (s1234*s13^2*s24*z2*z4)/(s12*s123*s23*s34*z12) - 
   (D*s1234*s13^2*s24*z2*z4)/(4*s12*s123*s23*s34*z12) + 
   (s1234*s14*s24*z2*z4)/(s123*s23*s34*z12) + (2*s1234*s13*s14*s24*z2*z4)/
    (s12*s123*s23*s34*z12) + (2*s1234*s14^2*s24*z2*z4)/
    (s12*s123*s23*s34*z12) - (2*s1234*s23*s24*z2*z4)/(s12*s123*s34*z12) + 
   (D*s1234*s23*s24*z2*z4)/(4*s12*s123*s34*z12) - 
   (s1234*s24^2*z2*z4)/(s12*s123*s34*z12) - (s1234*s24^2*z2*z4)/
    (s123*s23*s34*z12) + (2*s1234*s14*s24^2*z2*z4)/(s12*s123*s23*s34*z12) - 
   (s1234*s34*z2*z4)/(s123*s124*z12) - (s1234*s34*z2*z4)/(s123*s13*z12) + 
   (2*s12*s1234*s34*z2*z4)/(s123*s124*s13*z12) - 
   (s1234*s14*s34*z2*z4)/(s12*s123*s124*z12) - (2*s1234*s14^2*s34*z2*z4)/
    (s12*s123*s124*s13*z12) + (s1234*s34*z2*z4)/(s123*s23*z12) + 
   (2*s1234*s13*s34*z2*z4)/(s123*s124*s23*z12) + (2*s1234*s13*s14*s34*z2*z4)/
    (s12*s123*s124*s23*z12) - (s1234*s24*s34*z2*z4)/(s12*s123*s124*z12) + 
   (2*s1234*s24*s34*z2*z4)/(s123*s124*s13*z12) - (2*s1234*s14*s24*s34*z2*z4)/
    (s12*s123*s124*s13*z12) + (2*s1234*s13*s24*s34*z2*z4)/
    (s12*s123*s124*s23*z12) + (2*s1234*z2*z4)/(s123*z123) - 
   (D*s1234*z2*z4)/(2*s123*z123) - (D*s12*s1234*z2*z4)/(2*s123*s124*z123) - 
   (s12*s1234*z2*z4)/(s123*s13*z123) + (s12^2*s1234*z2*z4)/
    (s123*s124*s13*z123) + (3*s1234*s13*z2*z4)/(s12*s123*z123) - 
   (3*D*s1234*s13*z2*z4)/(2*s12*s123*z123) + (6*s1234*s13*z2*z4)/
    (s123*s124*z123) - (3*D*s1234*s13*z2*z4)/(2*s123*s124*z123) + 
   (3*s1234*s13^2*z2*z4)/(s12*s123*s124*z123) - (3*D*s1234*s13^2*z2*z4)/
    (4*s12*s123*s124*z123) - (4*s1234*s14*z2*z4)/(s12*s123*z123) - 
   (D*s1234*s14*z2*z4)/(2*s12*s123*z123) + (s1234*s14*z2*z4)/
    (s123*s124*z123) - (D*s1234*s14*z2*z4)/(s123*s124*z123) + 
   (4*s1234*s13*s14*z2*z4)/(s12*s123*s124*z123) - 
   (3*D*s1234*s13*s14*z2*z4)/(2*s12*s123*s124*z123) - 
   (2*s1234*s14^2*z2*z4)/(s12*s123*s124*z123) - (D*s1234*s14^2*z2*z4)/
    (2*s12*s123*s124*z123) - (2*s1234*s14^2*z2*z4)/(s12*s123*s13*z123) - 
   (3*s1234*s14^2*z2*z4)/(s123*s124*s13*z123) - (2*s1234*s14^3*z2*z4)/
    (s12*s123*s124*s13*z123) + (3*s12*s1234*z2*z4)/(s123*s23*z123) - 
   (2*s12^2*s1234*z2*z4)/(s123*s124*s23*z123) + 
   (5*s1234*s13*z2*z4)/(s123*s23*z123) - (D*s1234*s13*z2*z4)/
    (2*s123*s23*z123) + (s12*s1234*s13*z2*z4)/(s123*s124*s23*z123) - 
   (D*s12*s1234*s13*z2*z4)/(2*s123*s124*s23*z123) + 
   (3*s1234*s13^2*z2*z4)/(s12*s123*s23*z123) - (3*D*s1234*s13^2*z2*z4)/
    (4*s12*s123*s23*z123) + (4*s1234*s13^2*z2*z4)/(s123*s124*s23*z123) - 
   (3*D*s1234*s13^2*z2*z4)/(4*s123*s124*s23*z123) + 
   (s1234*s13^3*z2*z4)/(s12*s123*s124*s23*z123) - 
   (D*s1234*s13^3*z2*z4)/(4*s12*s123*s124*s23*z123) + 
   (s1234*s14*z2*z4)/(s123*s23*z123) - (s12*s1234*s14*z2*z4)/
    (s123*s124*s23*z123) - (D*s1234*s13*s14*z2*z4)/(2*s12*s123*s23*z123) + 
   (6*s1234*s13*s14*z2*z4)/(s123*s124*s23*z123) - 
   (D*s1234*s13*s14*z2*z4)/(s123*s124*s23*z123) + 
   (3*s1234*s13^2*s14*z2*z4)/(s12*s123*s124*s23*z123) - 
   (3*D*s1234*s13^2*s14*z2*z4)/(4*s12*s123*s124*s23*z123) - 
   (2*s1234*s14^2*z2*z4)/(s12*s123*s23*z123) + (s1234*s14^2*z2*z4)/
    (s123*s124*s23*z123) + (2*s1234*s13*s14^2*z2*z4)/
    (s12*s123*s124*s23*z123) - (D*s1234*s13*s14^2*z2*z4)/
    (2*s12*s123*s124*s23*z123) + (2*s1234*s23*z2*z4)/(s12*s123*z123) - 
   (3*D*s1234*s23*z2*z4)/(4*s12*s123*z123) + (2*s1234*s23*z2*z4)/
    (s123*s124*z123) - (3*D*s1234*s23*z2*z4)/(4*s123*s124*z123) - 
   (s1234*s23*z2*z4)/(s123*s13*z123) + (s12*s1234*s23*z2*z4)/
    (s123*s124*s13*z123) + (3*s1234*s13*s23*z2*z4)/(s12*s123*s124*z123) - 
   (3*D*s1234*s13*s23*z2*z4)/(4*s12*s123*s124*z123) + 
   (4*s1234*s14*s23*z2*z4)/(s12*s123*s124*z123) - 
   (3*D*s1234*s14*s23*z2*z4)/(4*s12*s123*s124*z123) + 
   (s1234*s14*s23*z2*z4)/(s12*s123*s13*z123) + (2*s1234*s14*s23*z2*z4)/
    (s123*s124*s13*z123) + (s1234*s14^2*s23*z2*z4)/(s12*s123*s124*s13*z123) + 
   (s1234*s23^2*z2*z4)/(s12*s123*s124*z123) - (D*s1234*s23^2*z2*z4)/
    (4*s12*s123*s124*z123) + (3*s1234*s14*s23^2*z2*z4)/
    (s12*s123*s124*s13*z123) - (D*s1234*s24*z2*z4)/(2*s12*s123*z123) + 
   (s1234*s24*z2*z4)/(s123*s124*z123) - (D*s1234*s24*z2*z4)/
    (s123*s124*z123) - (s1234*s24*z2*z4)/(s123*s13*z123) + 
   (s12*s1234*s24*z2*z4)/(s123*s124*s13*z123) + (5*s1234*s13*s24*z2*z4)/
    (s12*s123*s124*z123) - (3*D*s1234*s13*s24*z2*z4)/(2*s12*s123*s124*z123) + 
   (4*s1234*s14*s24*z2*z4)/(s12*s123*s124*z123) - 
   (D*s1234*s14*s24*z2*z4)/(s12*s123*s124*z123) - 
   (s1234*s14*s24*z2*z4)/(s123*s124*s13*z123) - (2*s1234*s14^2*s24*z2*z4)/
    (s12*s123*s124*s13*z123) + (2*s1234*s24*z2*z4)/(s123*s23*z123) - 
   (4*s12*s1234*s24*z2*z4)/(s123*s124*s23*z123) + 
   (3*s1234*s13*s24*z2*z4)/(s12*s123*s23*z123) - 
   (D*s1234*s13*s24*z2*z4)/(2*s12*s123*s23*z123) + 
   (2*s1234*s13*s24*z2*z4)/(s123*s124*s23*z123) - 
   (D*s1234*s13*s24*z2*z4)/(s123*s124*s23*z123) + 
   (2*s1234*s13^2*s24*z2*z4)/(s12*s123*s124*s23*z123) - 
   (3*D*s1234*s13^2*s24*z2*z4)/(4*s12*s123*s124*s23*z123) + 
   (s1234*s14*s24*z2*z4)/(s123*s124*s23*z123) + (5*s1234*s13*s14*s24*z2*z4)/
    (s12*s123*s124*s23*z123) - (D*s1234*s13*s14*s24*z2*z4)/
    (s12*s123*s124*s23*z123) + (2*s1234*s14^2*s24*z2*z4)/
    (s12*s123*s124*s23*z123) + (3*s1234*s23*s24*z2*z4)/(s12*s123*s124*z123) - 
   (3*D*s1234*s23*s24*z2*z4)/(4*s12*s123*s124*z123) + 
   (3*s1234*s14*s23*s24*z2*z4)/(s12*s123*s124*s13*z123) + 
   (2*s1234*s24^2*z2*z4)/(s12*s123*s124*z123) - (D*s1234*s24^2*z2*z4)/
    (2*s12*s123*s124*z123) - (2*s1234*s24^2*z2*z4)/(s123*s124*s23*z123) + 
   (s1234*s13*s24^2*z2*z4)/(s12*s123*s124*s23*z123) - 
   (D*s1234*s13*s24^2*z2*z4)/(2*s12*s123*s124*s23*z123) + 
   (2*s1234*s14*s24^2*z2*z4)/(s12*s123*s124*s23*z123) - 
   (s12*s1234*z2*z4)/(s123*s34*z123) - (s1234*s13*z2*z4)/(s123*s34*z123) - 
   (D*s1234*s13*z2*z4)/(2*s123*s34*z123) + (s1234*s13^2*z2*z4)/
    (s12*s123*s34*z123) - (3*D*s1234*s13^2*z2*z4)/(4*s12*s123*s34*z123) - 
   (3*s1234*s14*z2*z4)/(s123*s34*z123) + (s12*s1234*s14*z2*z4)/
    (s123*s13*s34*z123) - (3*s1234*s13*s14*z2*z4)/(s12*s123*s34*z123) - 
   (D*s1234*s13*s14*z2*z4)/(2*s12*s123*s34*z123) - 
   (5*s1234*s14^2*z2*z4)/(s12*s123*s34*z123) - (s1234*s14^2*z2*z4)/
    (s123*s13*s34*z123) - (2*s1234*s14^3*z2*z4)/(s12*s123*s13*s34*z123) + 
   (s1234*s13^2*z2*z4)/(s123*s23*s34*z123) - (D*s1234*s13^2*z2*z4)/
    (4*s123*s23*s34*z123) + (s1234*s13^3*z2*z4)/(s12*s123*s23*s34*z123) - 
   (D*s1234*s13^3*z2*z4)/(4*s12*s123*s23*s34*z123) + 
   (s1234*s13^2*s14*z2*z4)/(s12*s123*s23*s34*z123) - 
   (D*s1234*s13^2*s14*z2*z4)/(4*s12*s123*s23*s34*z123) - 
   (D*s1234*s23*z2*z4)/(4*s123*s34*z123) + (s1234*s13*s23*z2*z4)/
    (s12*s123*s34*z123) - (3*D*s1234*s13*s23*z2*z4)/(4*s12*s123*s34*z123) - 
   (s1234*s14*s23*z2*z4)/(s12*s123*s34*z123) - (D*s1234*s14*s23*z2*z4)/
    (4*s12*s123*s34*z123) + (2*s1234*s14*s23*z2*z4)/(s123*s13*s34*z123) - 
   (s1234*s14^2*s23*z2*z4)/(s12*s123*s13*s34*z123) + 
   (s1234*s23^2*z2*z4)/(s12*s123*s34*z123) - (D*s1234*s23^2*z2*z4)/
    (4*s12*s123*s34*z123) + (s1234*s14*s23^2*z2*z4)/(s12*s123*s13*s34*z123) - 
   (3*s1234*s24*z2*z4)/(s123*s34*z123) - (D*s1234*s13*s24*z2*z4)/
    (2*s12*s123*s34*z123) - (2*s1234*s14*s24*z2*z4)/(s12*s123*s34*z123) + 
   (s1234*s14*s24*z2*z4)/(s123*s13*s34*z123) - (2*s1234*s14^2*s24*z2*z4)/
    (s12*s123*s13*s34*z123) - (s12*s1234*s24*z2*z4)/(s123*s23*s34*z123) + 
   (2*s1234*s13^2*s24*z2*z4)/(s12*s123*s23*s34*z123) - 
   (D*s1234*s13^2*s24*z2*z4)/(4*s12*s123*s23*s34*z123) + 
   (s1234*s14*s24*z2*z4)/(s123*s23*s34*z123) + (3*s1234*s13*s14*s24*z2*z4)/
    (s12*s123*s23*s34*z123) + (2*s1234*s14^2*s24*z2*z4)/
    (s12*s123*s23*s34*z123) - (D*s1234*s23*s24*z2*z4)/(4*s12*s123*s34*z123) + 
   (s1234*s14*s23*s24*z2*z4)/(s12*s123*s13*s34*z123) - 
   (s1234*s24^2*z2*z4)/(s12*s123*s34*z123) - (s1234*s24^2*z2*z4)/
    (s123*s23*s34*z123) + (s1234*s13*s24^2*z2*z4)/(s12*s123*s23*s34*z123) + 
   (2*s1234*s14*s24^2*z2*z4)/(s12*s123*s23*s34*z123) + 
   (s1234*s34*z2*z4)/(s12*s123*z123) - (D*s1234*s34*z2*z4)/
    (2*s12*s123*z123) - (D*s1234*s34*z2*z4)/(2*s123*s124*z123) - 
   (s1234*s34*z2*z4)/(s123*s13*z123) - (2*s12*s1234*s34*z2*z4)/
    (s123*s124*s13*z123) + (2*s1234*s13*s34*z2*z4)/(s12*s123*s124*z123) - 
   (D*s1234*s13*s34*z2*z4)/(2*s12*s123*s124*z123) - 
   (2*s1234*s14*s34*z2*z4)/(s12*s123*s124*z123) - 
   (D*s1234*s14*s34*z2*z4)/(2*s12*s123*s124*z123) - 
   (4*s1234*s14*s34*z2*z4)/(s123*s124*s13*z123) - 
   (2*s1234*s14^2*s34*z2*z4)/(s12*s123*s124*s13*z123) + 
   (3*s1234*s34*z2*z4)/(s123*s23*z123) + (2*s1234*s13*s34*z2*z4)/
    (s12*s123*s23*z123) - (D*s1234*s13*s34*z2*z4)/(2*s12*s123*s23*z123) + 
   (5*s1234*s13*s34*z2*z4)/(s123*s124*s23*z123) - 
   (D*s1234*s13*s34*z2*z4)/(2*s123*s124*s23*z123) + 
   (s1234*s13^2*s34*z2*z4)/(s12*s123*s124*s23*z123) - 
   (D*s1234*s13^2*s34*z2*z4)/(4*s12*s123*s124*s23*z123) - 
   (2*s1234*s14*s34*z2*z4)/(s12*s123*s23*z123) + 
   (s1234*s14*s34*z2*z4)/(s123*s124*s23*z123) - (D*s1234*s13*s14*s34*z2*z4)/
    (2*s12*s123*s124*s23*z123) - (2*s1234*s14^2*s34*z2*z4)/
    (s12*s123*s124*s23*z123) + (s1234*s23*s34*z2*z4)/(s12*s123*s124*z123) - 
   (D*s1234*s23*s34*z2*z4)/(4*s12*s123*s124*z123) - 
   (3*s1234*s23*s34*z2*z4)/(s123*s124*s13*z123) + 
   (3*s1234*s14*s23*s34*z2*z4)/(s12*s123*s124*s13*z123) + 
   (2*s1234*s24*s34*z2*z4)/(s12*s123*s124*z123) - 
   (D*s1234*s24*s34*z2*z4)/(2*s12*s123*s124*z123) - 
   (3*s1234*s24*s34*z2*z4)/(s123*s124*s13*z123) + 
   (s1234*s13*s24*s34*z2*z4)/(s12*s123*s124*s23*z123) - 
   (D*s1234*s13*s24*s34*z2*z4)/(2*s12*s123*s124*s23*z123) - 
   (3*s1234*s34^2*z2*z4)/(s123*s124*s13*z123) + (2*s1234*s34^2*z2*z4)/
    (s123*s124*s23*z123) - (2*s1234*s14*s34^2*z2*z4)/
    (s12*s123*s124*s23*z123) - (4*s12*s1234*z1*z2*z4)/(s123*s13*z12*z123) + 
   (2*s12^2*s1234*z1*z2*z4)/(s123*s124*s13*z12*z123) + 
   (s1234*s13*z1*z2*z4)/(s12*s123*z12*z123) + (s1234*s13*z1*z2*z4)/
    (s123*s124*z12*z123) + (4*s1234*s14*z1*z2*z4)/(s12*s123*z12*z123) + 
   (4*s1234*s14*z1*z2*z4)/(s123*s124*z12*z123) - 
   (2*s1234*s14*z1*z2*z4)/(s123*s13*z12*z123) + (8*s12*s1234*s14*z1*z2*z4)/
    (s123*s124*s13*z12*z123) + (s1234*s13*s14*z1*z2*z4)/
    (s12*s123*s124*z12*z123) + (4*s1234*s14^2*z1*z2*z4)/
    (s12*s123*s124*z12*z123) + (2*s1234*s14^2*z1*z2*z4)/
    (s12*s123*s13*z12*z123) + (10*s1234*s14^2*z1*z2*z4)/
    (s123*s124*s13*z12*z123) + (4*s1234*s14^3*z1*z2*z4)/
    (s12*s123*s124*s13*z12*z123) + (4*s12*s1234*z1*z2*z4)/
    (s123*s23*z12*z123) - (2*s12^2*s1234*z1*z2*z4)/(s123*s124*s23*z12*z123) + 
   (5*s1234*s13*z1*z2*z4)/(s123*s23*z12*z123) - (s12*s1234*s13*z1*z2*z4)/
    (s123*s124*s23*z12*z123) + (s1234*s13^2*z1*z2*z4)/
    (s12*s123*s23*z12*z123) + (s1234*s13^2*z1*z2*z4)/
    (s123*s124*s23*z12*z123) + (6*s1234*s14*z1*z2*z4)/(s123*s23*z12*z123) - 
   (4*s12*s1234*s14*z1*z2*z4)/(s123*s124*s23*z12*z123) + 
   (3*s1234*s13*s14*z1*z2*z4)/(s12*s123*s23*z12*z123) + 
   (s1234*s13^2*s14*z1*z2*z4)/(s12*s123*s124*s23*z12*z123) + 
   (2*s1234*s14^2*z1*z2*z4)/(s12*s123*s23*z12*z123) - 
   (2*s1234*s14^2*z1*z2*z4)/(s123*s124*s23*z12*z123) + 
   (s1234*s13*s14^2*z1*z2*z4)/(s12*s123*s124*s23*z12*z123) - 
   (s1234*s23*z1*z2*z4)/(s12*s123*z12*z123) - (s1234*s23*z1*z2*z4)/
    (s123*s124*z12*z123) - (5*s1234*s23*z1*z2*z4)/(s123*s13*z12*z123) + 
   (s12*s1234*s23*z1*z2*z4)/(s123*s124*s13*z12*z123) - 
   (s1234*s14*s23*z1*z2*z4)/(s12*s123*s124*z12*z123) + 
   (s1234*s14*s23*z1*z2*z4)/(s12*s123*s13*z12*z123) + 
   (4*s1234*s14*s23*z1*z2*z4)/(s123*s124*s13*z12*z123) + 
   (3*s1234*s14^2*s23*z1*z2*z4)/(s12*s123*s124*s13*z12*z123) - 
   (s1234*s23^2*z1*z2*z4)/(s12*s123*s13*z12*z123) - 
   (s1234*s23^2*z1*z2*z4)/(s123*s124*s13*z12*z123) - 
   (s1234*s14*s23^2*z1*z2*z4)/(s12*s123*s124*s13*z12*z123) - 
   (4*s1234*s24*z1*z2*z4)/(s12*s123*z12*z123) - (4*s1234*s24*z1*z2*z4)/
    (s123*s124*z12*z123) - (6*s1234*s24*z1*z2*z4)/(s123*s13*z12*z123) + 
   (4*s12*s1234*s24*z1*z2*z4)/(s123*s124*s13*z12*z123) + 
   (s1234*s13*s24*z1*z2*z4)/(s12*s123*s124*z12*z123) + 
   (12*s1234*s14*s24*z1*z2*z4)/(s123*s124*s13*z12*z123) + 
   (8*s1234*s14^2*s24*z1*z2*z4)/(s12*s123*s124*s13*z12*z123) + 
   (2*s1234*s24*z1*z2*z4)/(s123*s23*z12*z123) - (8*s12*s1234*s24*z1*z2*z4)/
    (s123*s124*s23*z12*z123) - (s1234*s13*s24*z1*z2*z4)/
    (s12*s123*s23*z12*z123) - (4*s1234*s13*s24*z1*z2*z4)/
    (s123*s124*s23*z12*z123) + (s1234*s13^2*s24*z1*z2*z4)/
    (s12*s123*s124*s23*z12*z123) - (12*s1234*s14*s24*z1*z2*z4)/
    (s123*s124*s23*z12*z123) - (2*s1234*s13*s14*s24*z1*z2*z4)/
    (s12*s123*s124*s23*z12*z123) - (4*s1234*s14^2*s24*z1*z2*z4)/
    (s12*s123*s124*s23*z12*z123) - (s1234*s23*s24*z1*z2*z4)/
    (s12*s123*s124*z12*z123) - (3*s1234*s23*s24*z1*z2*z4)/
    (s12*s123*s13*z12*z123) + (2*s1234*s14*s23*s24*z1*z2*z4)/
    (s12*s123*s124*s13*z12*z123) - (s1234*s23^2*s24*z1*z2*z4)/
    (s12*s123*s124*s13*z12*z123) - (4*s1234*s24^2*z1*z2*z4)/
    (s12*s123*s124*z12*z123) - (2*s1234*s24^2*z1*z2*z4)/
    (s12*s123*s13*z12*z123) + (2*s1234*s24^2*z1*z2*z4)/
    (s123*s124*s13*z12*z123) + (4*s1234*s14*s24^2*z1*z2*z4)/
    (s12*s123*s124*s13*z12*z123) - (2*s1234*s24^2*z1*z2*z4)/
    (s12*s123*s23*z12*z123) - (10*s1234*s24^2*z1*z2*z4)/
    (s123*s124*s23*z12*z123) - (3*s1234*s13*s24^2*z1*z2*z4)/
    (s12*s123*s124*s23*z12*z123) - (8*s1234*s14*s24^2*z1*z2*z4)/
    (s12*s123*s124*s23*z12*z123) - (s1234*s23*s24^2*z1*z2*z4)/
    (s12*s123*s124*s13*z12*z123) - (4*s1234*s24^3*z1*z2*z4)/
    (s12*s123*s124*s23*z12*z123) + (8*s1234*s14*z1*z2*z4)/
    (s123*s34*z12*z123) + (4*s12*s1234*s14*z1*z2*z4)/
    (s123*s13*s34*z12*z123) + (4*s1234*s13*s14*z1*z2*z4)/
    (s12*s123*s34*z12*z123) + (8*s1234*s14^2*z1*z2*z4)/
    (s12*s123*s34*z12*z123) + (8*s1234*s14^2*z1*z2*z4)/
    (s123*s13*s34*z12*z123) + (4*s1234*s14^3*z1*z2*z4)/
    (s12*s123*s13*s34*z12*z123) + (8*s1234*s14*s23*z1*z2*z4)/
    (s12*s123*s34*z12*z123) + (8*s1234*s14*s23*z1*z2*z4)/
    (s123*s13*s34*z12*z123) + (8*s1234*s14^2*s23*z1*z2*z4)/
    (s12*s123*s13*s34*z12*z123) + (4*s1234*s14*s23^2*z1*z2*z4)/
    (s12*s123*s13*s34*z12*z123) - (8*s1234*s24*z1*z2*z4)/
    (s123*s34*z12*z123) - (8*s1234*s13*s24*z1*z2*z4)/
    (s12*s123*s34*z12*z123) + (8*s1234*s14*s24*z1*z2*z4)/
    (s123*s13*s34*z12*z123) + (8*s1234*s14^2*s24*z1*z2*z4)/
    (s12*s123*s13*s34*z12*z123) - (4*s12*s1234*s24*z1*z2*z4)/
    (s123*s23*s34*z12*z123) - (8*s1234*s13*s24*z1*z2*z4)/
    (s123*s23*s34*z12*z123) - (4*s1234*s13^2*s24*z1*z2*z4)/
    (s12*s123*s23*s34*z12*z123) - (8*s1234*s14*s24*z1*z2*z4)/
    (s123*s23*s34*z12*z123) - (8*s1234*s13*s14*s24*z1*z2*z4)/
    (s12*s123*s23*s34*z12*z123) - (4*s1234*s14^2*s24*z1*z2*z4)/
    (s12*s123*s23*s34*z12*z123) - (4*s1234*s23*s24*z1*z2*z4)/
    (s12*s123*s34*z12*z123) + (8*s1234*s14*s23*s24*z1*z2*z4)/
    (s12*s123*s13*s34*z12*z123) - (8*s1234*s24^2*z1*z2*z4)/
    (s12*s123*s34*z12*z123) + (4*s1234*s14*s24^2*z1*z2*z4)/
    (s12*s123*s13*s34*z12*z123) - (8*s1234*s24^2*z1*z2*z4)/
    (s123*s23*s34*z12*z123) - (8*s1234*s13*s24^2*z1*z2*z4)/
    (s12*s123*s23*s34*z12*z123) - (8*s1234*s14*s24^2*z1*z2*z4)/
    (s12*s123*s23*s34*z12*z123) - (4*s1234*s24^3*z1*z2*z4)/
    (s12*s123*s23*s34*z12*z123) - (4*s1234*s34*z1*z2*z4)/
    (s123*s13*z12*z123) - (2*s1234*s14*s34*z1*z2*z4)/
    (s12*s123*s13*z12*z123) + (2*s1234*s14*s34*z1*z2*z4)/
    (s123*s124*s13*z12*z123) + (2*s1234*s14^2*s34*z1*z2*z4)/
    (s12*s123*s124*s13*z12*z123) + (4*s1234*s34*z1*z2*z4)/
    (s123*s23*z12*z123) + (s1234*s13*s34*z1*z2*z4)/(s12*s123*s23*z12*z123) + 
   (3*s1234*s13*s34*z1*z2*z4)/(s123*s124*s23*z12*z123) + 
   (2*s1234*s14*s34*z1*z2*z4)/(s12*s123*s23*z12*z123) + 
   (2*s1234*s14*s34*z1*z2*z4)/(s123*s124*s23*z12*z123) + 
   (3*s1234*s13*s14*s34*z1*z2*z4)/(s12*s123*s124*s23*z12*z123) + 
   (2*s1234*s14^2*s34*z1*z2*z4)/(s12*s123*s124*s23*z12*z123) - 
   (s1234*s23*s34*z1*z2*z4)/(s12*s123*s13*z12*z123) - 
   (3*s1234*s23*s34*z1*z2*z4)/(s123*s124*s13*z12*z123) - 
   (3*s1234*s14*s23*s34*z1*z2*z4)/(s12*s123*s124*s13*z12*z123) - 
   (2*s1234*s24*s34*z1*z2*z4)/(s12*s123*s13*z12*z123) - 
   (2*s1234*s24*s34*z1*z2*z4)/(s123*s124*s13*z12*z123) + 
   (2*s1234*s24*s34*z1*z2*z4)/(s12*s123*s23*z12*z123) - 
   (2*s1234*s24*s34*z1*z2*z4)/(s123*s124*s23*z12*z123) + 
   (3*s1234*s13*s24*s34*z1*z2*z4)/(s12*s123*s124*s23*z12*z123) - 
   (3*s1234*s23*s24*s34*z1*z2*z4)/(s12*s123*s124*s13*z12*z123) - 
   (2*s1234*s24^2*s34*z1*z2*z4)/(s12*s123*s124*s13*z12*z123) - 
   (2*s1234*s24^2*s34*z1*z2*z4)/(s12*s123*s124*s23*z12*z123) - 
   (2*s1234*s34^2*z1*z2*z4)/(s123*s124*s13*z12*z123) - 
   (2*s1234*s14*s34^2*z1*z2*z4)/(s12*s123*s124*s13*z12*z123) + 
   (2*s1234*s34^2*z1*z2*z4)/(s123*s124*s23*z12*z123) + 
   (2*s1234*s14*s34^2*z1*z2*z4)/(s12*s123*s124*s23*z12*z123) - 
   (2*s1234*s24*s34^2*z1*z2*z4)/(s12*s123*s124*s13*z12*z123) + 
   (2*s1234*s24*s34^2*z1*z2*z4)/(s12*s123*s124*s23*z12*z123) + 
   (2*s1234*z2^2*z4)/(s123*z12*z123) - (2*s12*s1234*z2^2*z4)/
    (s123*s124*z12*z123) + (2*s1234*s13*z2^2*z4)/(s12*s123*z12*z123) - 
   (2*s1234*s13*z2^2*z4)/(s123*s124*z12*z123) + (2*s1234*s14*z2^2*z4)/
    (s12*s123*z12*z123) - (4*s1234*s14*z2^2*z4)/(s123*s124*z12*z123) - 
   (2*s1234*s13*s14*z2^2*z4)/(s12*s123*s124*z12*z123) - 
   (2*s1234*s14^2*z2^2*z4)/(s12*s123*s124*z12*z123) + 
   (2*s1234*s23*z2^2*z4)/(s12*s123*z12*z123) - (2*s1234*s23*z2^2*z4)/
    (s123*s124*z12*z123) - (2*s1234*s14*s23*z2^2*z4)/
    (s12*s123*s124*z12*z123) + (2*s1234*s24*z2^2*z4)/(s12*s123*z12*z123) - 
   (4*s1234*s24*z2^2*z4)/(s123*s124*z12*z123) - (2*s1234*s13*s24*z2^2*z4)/
    (s12*s123*s124*z12*z123) - (4*s1234*s14*s24*z2^2*z4)/
    (s12*s123*s124*z12*z123) - (2*s1234*s23*s24*z2^2*z4)/
    (s12*s123*s124*z12*z123) - (2*s1234*s24^2*z2^2*z4)/
    (s12*s123*s124*z12*z123) + (2*s1234*s34*z2^2*z4)/(s12*s123*z12*z123) - 
   (2*s1234*s34*z2^2*z4)/(s123*s124*z12*z123) - (2*s1234*s14*s34*z2^2*z4)/
    (s12*s123*s124*z12*z123) - (2*s1234*s24*s34*z2^2*z4)/
    (s12*s123*s124*z12*z123) - (5*s1234*z1*z4)/(s123*z3) + 
   (3*D*s1234*z1*z4)/(2*s123*z3) - (2*s12*s1234*z1*z4)/(s123*s124*z3) + 
   (D*s12*s1234*z1*z4)/(2*s123*s124*z3) - (4*s12*s1234*z1*z4)/(s123*s13*z3) + 
   (D*s12*s1234*z1*z4)/(s123*s13*z3) - (2*s1234*s13*z1*z4)/(s12*s123*z3) + 
   (D*s1234*s13*z1*z4)/(2*s12*s123*z3) - (2*s1234*s13*z1*z4)/(s123*s124*z3) + 
   (3*D*s1234*s13*z1*z4)/(4*s123*s124*z3) - (s1234*s13^2*z1*z4)/
    (s12*s123*s124*z3) + (D*s1234*s13^2*z1*z4)/(4*s12*s123*s124*z3) - 
   (2*s1234*s14*z1*z4)/(s12*s123*z3) - (D*s1234*s14*z1*z4)/(2*s123*s124*z3) - 
   (2*s1234*s14*z1*z4)/(s123*s13*z3) - (s1234*s13*s14*z1*z4)/
    (s12*s123*s124*z3) - (D*s1234*s13*s14*z1*z4)/(4*s12*s123*s124*z3) - 
   (2*s1234*s23*z1*z4)/(s12*s123*z3) + (D*s1234*s23*z1*z4)/(s12*s123*z3) - 
   (7*s1234*s23*z1*z4)/(s123*s124*z3) + (3*D*s1234*s23*z1*z4)/
    (2*s123*s124*z3) - (6*s1234*s23*z1*z4)/(s123*s13*z3) + 
   (3*D*s1234*s23*z1*z4)/(2*s123*s13*z3) - (2*s12*s1234*s23*z1*z4)/
    (s123*s124*s13*z3) + (D*s12*s1234*s23*z1*z4)/(2*s123*s124*s13*z3) - 
   (3*s1234*s13*s23*z1*z4)/(s12*s123*s124*z3) + (3*D*s1234*s13*s23*z1*z4)/
    (4*s12*s123*s124*z3) - (3*s1234*s14*s23*z1*z4)/(s12*s123*s124*z3) - 
   (D*s1234*s14*s23*z1*z4)/(2*s12*s123*s124*z3) - 
   (2*s1234*s14*s23*z1*z4)/(s12*s123*s13*z3) + (s1234*s14*s23*z1*z4)/
    (s123*s124*s13*z3) - (D*s1234*s14*s23*z1*z4)/(2*s123*s124*s13*z3) + 
   (s1234*s14^2*s23*z1*z4)/(s12*s123*s124*s13*z3) - 
   (3*s1234*s23^2*z1*z4)/(s12*s123*s124*z3) + (3*D*s1234*s23^2*z1*z4)/
    (4*s12*s123*s124*z3) - (2*s1234*s23^2*z1*z4)/(s12*s123*s13*z3) + 
   (D*s1234*s23^2*z1*z4)/(2*s12*s123*s13*z3) - (3*s1234*s23^2*z1*z4)/
    (s123*s124*s13*z3) + (3*D*s1234*s23^2*z1*z4)/(4*s123*s124*s13*z3) - 
   (D*s1234*s14*s23^2*z1*z4)/(4*s12*s123*s124*s13*z3) - 
   (s1234*s23^3*z1*z4)/(s12*s123*s124*s13*z3) + (D*s1234*s23^3*z1*z4)/
    (4*s12*s123*s124*s13*z3) + (s1234*s24*z1*z4)/(s12*s123*z3) + 
   (s1234*s24*z1*z4)/(s123*s124*z3) - (D*s1234*s24*z1*z4)/(2*s123*s124*z3) - 
   (2*s1234*s24*z1*z4)/(s123*s13*z3) + (3*s1234*s13*s24*z1*z4)/
    (s12*s123*s124*z3) - (D*s1234*s13*s24*z1*z4)/(4*s12*s123*s124*z3) - 
   (3*s1234*s14*s24*z1*z4)/(s12*s123*s124*z3) - (4*s1234*s14*s24*z1*z4)/
    (s12*s123*s13*z3) + (s1234*s23*s24*z1*z4)/(s12*s123*s124*z3) - 
   (D*s1234*s23*s24*z1*z4)/(2*s12*s123*s124*z3) - 
   (s1234*s23*s24*z1*z4)/(s12*s123*s13*z3) - (D*s1234*s23*s24*z1*z4)/
    (2*s123*s124*s13*z3) - (3*s1234*s14*s23*s24*z1*z4)/
    (s12*s123*s124*s13*z3) - (D*s1234*s23^2*s24*z1*z4)/
    (4*s12*s123*s124*s13*z3) + (s1234*s24^2*z1*z4)/(s12*s123*s124*z3) + 
   (s1234*s34*z1*z4)/(s12*s123*z3) - (5*s1234*s34*z1*z4)/(s123*s124*z3) + 
   (D*s1234*s34*z1*z4)/(s123*s124*z3) - (s1234*s34*z1*z4)/(s123*s13*z3) - 
   (4*s12*s1234*s34*z1*z4)/(s123*s124*s13*z3) + (D*s12*s1234*s34*z1*z4)/
    (s123*s124*s13*z3) - (s1234*s13*s34*z1*z4)/(s12*s123*s124*z3) + 
   (D*s1234*s13*s34*z1*z4)/(4*s12*s123*s124*z3) - 
   (3*s1234*s14*s34*z1*z4)/(s12*s123*s124*z3) - (2*s1234*s14*s34*z1*z4)/
    (s123*s124*s13*z3) - (2*s1234*s23*s34*z1*z4)/(s12*s123*s124*z3) + 
   (D*s1234*s23*s34*z1*z4)/(2*s12*s123*s124*z3) - 
   (s1234*s23*s34*z1*z4)/(s12*s123*s13*z3) - (4*s1234*s23*s34*z1*z4)/
    (s123*s124*s13*z3) + (D*s1234*s23*s34*z1*z4)/(s123*s124*s13*z3) - 
   (s1234*s23^2*s34*z1*z4)/(s12*s123*s124*s13*z3) + 
   (D*s1234*s23^2*s34*z1*z4)/(4*s12*s123*s124*s13*z3) - 
   (s1234*s24*s34*z1*z4)/(s12*s123*s124*z3) - (2*s1234*s24*s34*z1*z4)/
    (s12*s123*s13*z3) - (2*s1234*s24*s34*z1*z4)/(s123*s124*s13*z3) - 
   (4*s1234*s14*s24*s34*z1*z4)/(s12*s123*s124*s13*z3) - 
   (2*s1234*s23*s24*s34*z1*z4)/(s12*s123*s124*s13*z3) - 
   (s1234*s34^2*z1*z4)/(s123*s124*s13*z3) - (2*s1234*s24*s34^2*z1*z4)/
    (s12*s123*s124*s13*z3) - (s12*s1234*z1^2*z4)/(s123*s124*z12*z3) - 
   (s12*s1234*z1^2*z4)/(s123*s13*z12*z3) - (s1234*s14*z1^2*z4)/
    (s123*s124*z12*z3) - (s1234*s14*z1^2*z4)/(s123*s13*z12*z3) - 
   (s1234*s23*z1^2*z4)/(s12*s123*z12*z3) - (2*s1234*s23*z1^2*z4)/
    (s123*s13*z12*z3) - (s1234*s14*s23*z1^2*z4)/(s12*s123*s13*z12*z3) - 
   (s1234*s23^2*z1^2*z4)/(s12*s123*s13*z12*z3) + 
   (s1234*s24*z1^2*z4)/(s12*s123*z12*z3) + (s1234*s24*z1^2*z4)/
    (s123*s13*z12*z3) + (s1234*s14*s24*z1^2*z4)/(s12*s123*s124*z12*z3) + 
   (2*s1234*s14*s24*z1^2*z4)/(s12*s123*s13*z12*z3) + 
   (s1234*s23*s24*z1^2*z4)/(s123*s124*s13*z12*z3) + 
   (s1234*s14*s23*s24*z1^2*z4)/(s12*s123*s124*s13*z12*z3) + 
   (s1234*s24^2*z1^2*z4)/(s12*s123*s124*z12*z3) + 
   (2*s1234*s24^2*z1^2*z4)/(s12*s123*s13*z12*z3) + 
   (s1234*s23*s24^2*z1^2*z4)/(s12*s123*s124*s13*z12*z3) + 
   (s1234*s34*z1^2*z4)/(s123*s13*z12*z3) - (2*s12*s1234*s34*z1^2*z4)/
    (s123*s124*s13*z12*z3) - (2*s1234*s14*s34*z1^2*z4)/
    (s123*s124*s13*z12*z3) + (s1234*s23*s34*z1^2*z4)/(s12*s123*s13*z12*z3) - 
   (2*s1234*s23*s34*z1^2*z4)/(s123*s124*s13*z12*z3) - 
   (2*s1234*s14*s23*s34*z1^2*z4)/(s12*s123*s124*s13*z12*z3) + 
   (2*s1234*s14*s24*s34*z1^2*z4)/(s12*s123*s124*s13*z12*z3) - 
   (2*s1234*s23*s24*s34*z1^2*z4)/(s12*s123*s124*s13*z12*z3) + 
   (2*s1234*s24^2*s34*z1^2*z4)/(s12*s123*s124*s13*z12*z3) - 
   (s1234*z1^2*z4)/(s123*z123*z3) - (s12*s1234*z1^2*z4)/(s123*s124*z123*z3) - 
   (s12*s1234*z1^2*z4)/(s123*s13*z123*z3) - (s1234*s13*z1^2*z4)/
    (s123*s124*z123*z3) - (s1234*s14*z1^2*z4)/(s123*s124*z123*z3) - 
   (s1234*s14*z1^2*z4)/(s123*s13*z123*z3) + (s1234*s23*z1^2*z4)/
    (s12*s123*z123*z3) - (3*s1234*s23*z1^2*z4)/(s123*s124*z123*z3) - 
   (2*s12*s1234*s23*z1^2*z4)/(s123*s124*s13*z123*z3) - 
   (s1234*s14*s23*z1^2*z4)/(s12*s123*s124*z123*z3) + 
   (s1234*s14*s23*z1^2*z4)/(s12*s123*s13*z123*z3) - 
   (3*s1234*s14*s23*z1^2*z4)/(s123*s124*s13*z123*z3) - 
   (s1234*s14^2*s23*z1^2*z4)/(s12*s123*s124*s13*z123*z3) + 
   (s1234*s23^2*z1^2*z4)/(s12*s123*s13*z123*z3) - 
   (2*s1234*s23^2*z1^2*z4)/(s123*s124*s13*z123*z3) - 
   (s1234*s14*s23^2*z1^2*z4)/(s12*s123*s124*s13*z123*z3) + 
   (2*s1234*s24*z1^2*z4)/(s12*s123*z123*z3) + (s1234*s24*z1^2*z4)/
    (s123*s124*z123*z3) + (s1234*s24*z1^2*z4)/(s123*s13*z123*z3) + 
   (2*s1234*s13*s24*z1^2*z4)/(s12*s123*s124*z123*z3) + 
   (2*s1234*s14*s24*z1^2*z4)/(s12*s123*s124*z123*z3) + 
   (2*s1234*s14*s24*z1^2*z4)/(s12*s123*s13*z123*z3) + 
   (3*s1234*s23*s24*z1^2*z4)/(s12*s123*s124*z123*z3) + 
   (3*s1234*s23*s24*z1^2*z4)/(s12*s123*s13*z123*z3) - 
   (s1234*s23*s24*z1^2*z4)/(s123*s124*s13*z123*z3) + 
   (s1234*s23^2*s24*z1^2*z4)/(s12*s123*s124*s13*z123*z3) + 
   (2*s1234*s24^2*z1^2*z4)/(s12*s123*s124*z123*z3) + 
   (2*s1234*s24^2*z1^2*z4)/(s12*s123*s13*z123*z3) + 
   (s1234*s23*s24^2*z1^2*z4)/(s12*s123*s124*s13*z123*z3) - 
   (2*s1234*s34*z1^2*z4)/(s123*s124*z123*z3) - (s1234*s34*z1^2*z4)/
    (s123*s13*z123*z3) - (s12*s1234*s34*z1^2*z4)/(s123*s124*s13*z123*z3) - 
   (s1234*s14*s34*z1^2*z4)/(s123*s124*s13*z123*z3) + 
   (s1234*s23*s34*z1^2*z4)/(s12*s123*s13*z123*z3) - 
   (3*s1234*s23*s34*z1^2*z4)/(s123*s124*s13*z123*z3) - 
   (s1234*s14*s23*s34*z1^2*z4)/(s12*s123*s124*s13*z123*z3) + 
   (4*s1234*s24*s34*z1^2*z4)/(s12*s123*s124*z123*z3) + 
   (2*s1234*s24*s34*z1^2*z4)/(s12*s123*s13*z123*z3) + 
   (s1234*s24*s34*z1^2*z4)/(s123*s124*s13*z123*z3) + 
   (2*s1234*s14*s24*s34*z1^2*z4)/(s12*s123*s124*s13*z123*z3) + 
   (3*s1234*s23*s24*s34*z1^2*z4)/(s12*s123*s124*s13*z123*z3) + 
   (2*s1234*s24^2*s34*z1^2*z4)/(s12*s123*s124*s13*z123*z3) - 
   (s1234*s34^2*z1^2*z4)/(s123*s124*s13*z123*z3) + 
   (2*s1234*s24*s34^2*z1^2*z4)/(s12*s123*s124*s13*z123*z3) + 
   (5*s1234*z2*z4)/(s123*z3) - (3*D*s1234*z2*z4)/(2*s123*z3) + 
   (2*s12*s1234*z2*z4)/(s123*s124*z3) - (D*s12*s1234*z2*z4)/
    (2*s123*s124*z3) + (2*s1234*s13*z2*z4)/(s12*s123*z3) - 
   (D*s1234*s13*z2*z4)/(s12*s123*z3) + (7*s1234*s13*z2*z4)/(s123*s124*z3) - 
   (3*D*s1234*s13*z2*z4)/(2*s123*s124*z3) + (3*s1234*s13^2*z2*z4)/
    (s12*s123*s124*z3) - (3*D*s1234*s13^2*z2*z4)/(4*s12*s123*s124*z3) - 
   (s1234*s14*z2*z4)/(s12*s123*z3) - (s1234*s14*z2*z4)/(s123*s124*z3) + 
   (D*s1234*s14*z2*z4)/(2*s123*s124*z3) - (s1234*s13*s14*z2*z4)/
    (s12*s123*s124*z3) + (D*s1234*s13*s14*z2*z4)/(2*s12*s123*s124*z3) - 
   (s1234*s14^2*z2*z4)/(s12*s123*s124*z3) + (4*s12*s1234*z2*z4)/
    (s123*s23*z3) - (D*s12*s1234*z2*z4)/(s123*s23*z3) + 
   (6*s1234*s13*z2*z4)/(s123*s23*z3) - (3*D*s1234*s13*z2*z4)/
    (2*s123*s23*z3) + (2*s12*s1234*s13*z2*z4)/(s123*s124*s23*z3) - 
   (D*s12*s1234*s13*z2*z4)/(2*s123*s124*s23*z3) + 
   (2*s1234*s13^2*z2*z4)/(s12*s123*s23*z3) - (D*s1234*s13^2*z2*z4)/
    (2*s12*s123*s23*z3) + (3*s1234*s13^2*z2*z4)/(s123*s124*s23*z3) - 
   (3*D*s1234*s13^2*z2*z4)/(4*s123*s124*s23*z3) + 
   (s1234*s13^3*z2*z4)/(s12*s123*s124*s23*z3) - (D*s1234*s13^3*z2*z4)/
    (4*s12*s123*s124*s23*z3) + (2*s1234*s14*z2*z4)/(s123*s23*z3) + 
   (s1234*s13*s14*z2*z4)/(s12*s123*s23*z3) + (D*s1234*s13*s14*z2*z4)/
    (2*s123*s124*s23*z3) + (D*s1234*s13^2*s14*z2*z4)/
    (4*s12*s123*s124*s23*z3) + (2*s1234*s23*z2*z4)/(s12*s123*z3) - 
   (D*s1234*s23*z2*z4)/(2*s12*s123*z3) + (2*s1234*s23*z2*z4)/(s123*s124*z3) - 
   (3*D*s1234*s23*z2*z4)/(4*s123*s124*z3) + (3*s1234*s13*s23*z2*z4)/
    (s12*s123*s124*z3) - (3*D*s1234*s13*s23*z2*z4)/(4*s12*s123*s124*z3) - 
   (3*s1234*s14*s23*z2*z4)/(s12*s123*s124*z3) + (D*s1234*s14*s23*z2*z4)/
    (4*s12*s123*s124*z3) + (s1234*s23^2*z2*z4)/(s12*s123*s124*z3) - 
   (D*s1234*s23^2*z2*z4)/(4*s12*s123*s124*z3) + 
   (2*s1234*s24*z2*z4)/(s12*s123*z3) + (D*s1234*s24*z2*z4)/(2*s123*s124*z3) + 
   (3*s1234*s13*s24*z2*z4)/(s12*s123*s124*z3) + (D*s1234*s13*s24*z2*z4)/
    (2*s12*s123*s124*z3) + (3*s1234*s14*s24*z2*z4)/(s12*s123*s124*z3) + 
   (2*s1234*s24*z2*z4)/(s123*s23*z3) + (2*s1234*s13*s24*z2*z4)/
    (s12*s123*s23*z3) - (s1234*s13*s24*z2*z4)/(s123*s124*s23*z3) + 
   (D*s1234*s13*s24*z2*z4)/(2*s123*s124*s23*z3) + 
   (D*s1234*s13^2*s24*z2*z4)/(4*s12*s123*s124*s23*z3) + 
   (4*s1234*s14*s24*z2*z4)/(s12*s123*s23*z3) + (3*s1234*s13*s14*s24*z2*z4)/
    (s12*s123*s124*s23*z3) + (s1234*s23*s24*z2*z4)/(s12*s123*s124*z3) + 
   (D*s1234*s23*s24*z2*z4)/(4*s12*s123*s124*z3) - 
   (s1234*s13*s24^2*z2*z4)/(s12*s123*s124*s23*z3) - 
   (s1234*s34*z2*z4)/(s12*s123*z3) + (5*s1234*s34*z2*z4)/(s123*s124*z3) - 
   (D*s1234*s34*z2*z4)/(s123*s124*z3) + (2*s1234*s13*s34*z2*z4)/
    (s12*s123*s124*z3) - (D*s1234*s13*s34*z2*z4)/(2*s12*s123*s124*z3) + 
   (s1234*s14*s34*z2*z4)/(s12*s123*s124*z3) + 
   (s1234*s34*z2*z4)/(s123*s23*z3) + (4*s12*s1234*s34*z2*z4)/
    (s123*s124*s23*z3) - (D*s12*s1234*s34*z2*z4)/(s123*s124*s23*z3) + 
   (s1234*s13*s34*z2*z4)/(s12*s123*s23*z3) + (4*s1234*s13*s34*z2*z4)/
    (s123*s124*s23*z3) - (D*s1234*s13*s34*z2*z4)/(s123*s124*s23*z3) + 
   (s1234*s13^2*s34*z2*z4)/(s12*s123*s124*s23*z3) - 
   (D*s1234*s13^2*s34*z2*z4)/(4*s12*s123*s124*s23*z3) + 
   (2*s1234*s14*s34*z2*z4)/(s12*s123*s23*z3) + (2*s1234*s14*s34*z2*z4)/
    (s123*s124*s23*z3) + (2*s1234*s13*s14*s34*z2*z4)/(s12*s123*s124*s23*z3) + 
   (s1234*s23*s34*z2*z4)/(s12*s123*s124*z3) - (D*s1234*s23*s34*z2*z4)/
    (4*s12*s123*s124*z3) + (3*s1234*s24*s34*z2*z4)/(s12*s123*s124*z3) + 
   (2*s1234*s24*s34*z2*z4)/(s123*s124*s23*z3) + (4*s1234*s14*s24*s34*z2*z4)/
    (s12*s123*s124*s23*z3) + (s1234*s34^2*z2*z4)/(s123*s124*s23*z3) + 
   (2*s1234*s14*s34^2*z2*z4)/(s12*s123*s124*s23*z3) - 
   (s12*s1234*z1*z2*z4)/(s123*s13*z12*z3) + (s1234*s13*z1*z2*z4)/
    (s123*s124*z12*z3) + (s1234*s14*z1*z2*z4)/(s12*s123*z12*z3) + 
   (s1234*s14*z1*z2*z4)/(s123*s124*z12*z3) + (s1234*s14*z1*z2*z4)/
    (s123*s13*z12*z3) + (s1234*s13*s14*z1*z2*z4)/(s12*s123*s124*z12*z3) + 
   (s1234*s14^2*z1*z2*z4)/(s12*s123*s124*z12*z3) + 
   (2*s1234*s14^2*z1*z2*z4)/(s12*s123*s13*z12*z3) + 
   (s12*s1234*z1*z2*z4)/(s123*s23*z12*z3) + (s1234*s13*z1*z2*z4)/
    (s123*s23*z12*z3) + (s12*s1234*s13*z1*z2*z4)/(s123*s124*s23*z12*z3) + 
   (s1234*s13^2*z1*z2*z4)/(s123*s124*s23*z12*z3) + 
   (s1234*s14*z1*z2*z4)/(s123*s23*z12*z3) + (s1234*s13*s14*z1*z2*z4)/
    (s12*s123*s23*z12*z3) + (s1234*s13*s14*z1*z2*z4)/(s123*s124*s23*z12*z3) + 
   (s1234*s13^2*s14*z1*z2*z4)/(s12*s123*s124*s23*z12*z3) - 
   (s1234*s23*z1*z2*z4)/(s123*s124*z12*z3) - (s1234*s23*z1*z2*z4)/
    (s123*s13*z12*z3) - (s12*s1234*s23*z1*z2*z4)/(s123*s124*s13*z12*z3) - 
   (s1234*s14*s23*z1*z2*z4)/(s12*s123*s124*z12*z3) + 
   (s1234*s14^2*s23*z1*z2*z4)/(s12*s123*s124*s13*z12*z3) - 
   (s1234*s23^2*z1*z2*z4)/(s123*s124*s13*z12*z3) - 
   (s1234*s14*s23^2*z1*z2*z4)/(s12*s123*s124*s13*z12*z3) - 
   (s1234*s24*z1*z2*z4)/(s12*s123*z12*z3) - (s1234*s24*z1*z2*z4)/
    (s123*s124*z12*z3) - (s1234*s24*z1*z2*z4)/(s123*s13*z12*z3) + 
   (s1234*s13*s24*z1*z2*z4)/(s12*s123*s124*z12*z3) + 
   (2*s1234*s14*s24*z1*z2*z4)/(s12*s123*s13*z12*z3) - 
   (s1234*s24*z1*z2*z4)/(s123*s23*z12*z3) + (s1234*s13^2*s24*z1*z2*z4)/
    (s12*s123*s124*s23*z12*z3) - (2*s1234*s14*s24*z1*z2*z4)/
    (s12*s123*s23*z12*z3) - (s1234*s13*s14*s24*z1*z2*z4)/
    (s12*s123*s124*s23*z12*z3) - (s1234*s23*s24*z1*z2*z4)/
    (s12*s123*s124*z12*z3) - (s1234*s23*s24*z1*z2*z4)/(s12*s123*s13*z12*z3) - 
   (s1234*s23*s24*z1*z2*z4)/(s123*s124*s13*z12*z3) + 
   (s1234*s14*s23*s24*z1*z2*z4)/(s12*s123*s124*s13*z12*z3) - 
   (s1234*s23^2*s24*z1*z2*z4)/(s12*s123*s124*s13*z12*z3) - 
   (s1234*s24^2*z1*z2*z4)/(s12*s123*s124*z12*z3) - 
   (2*s1234*s24^2*z1*z2*z4)/(s12*s123*s23*z12*z3) - 
   (s1234*s13*s24^2*z1*z2*z4)/(s12*s123*s124*s23*z12*z3) + 
   (3*s1234*s34*z1*z2*z4)/(s123*s13*z12*z3) - (2*s12*s1234*s34*z1*z2*z4)/
    (s123*s124*s13*z12*z3) + (2*s1234*s14*s34*z1*z2*z4)/
    (s12*s123*s13*z12*z3) + (2*s1234*s14^2*s34*z1*z2*z4)/
    (s12*s123*s124*s13*z12*z3) - (3*s1234*s34*z1*z2*z4)/(s123*s23*z12*z3) + 
   (2*s12*s1234*s34*z1*z2*z4)/(s123*s124*s23*z12*z3) - 
   (2*s1234*s13*s34*z1*z2*z4)/(s12*s123*s23*z12*z3) + 
   (s1234*s13*s34*z1*z2*z4)/(s123*s124*s23*z12*z3) - 
   (2*s1234*s14*s34*z1*z2*z4)/(s12*s123*s23*z12*z3) + 
   (2*s1234*s14*s34*z1*z2*z4)/(s123*s124*s23*z12*z3) + 
   (s1234*s13*s14*s34*z1*z2*z4)/(s12*s123*s124*s23*z12*z3) + 
   (2*s1234*s23*s34*z1*z2*z4)/(s12*s123*s13*z12*z3) - 
   (s1234*s23*s34*z1*z2*z4)/(s123*s124*s13*z12*z3) - 
   (s1234*s14*s23*s34*z1*z2*z4)/(s12*s123*s124*s13*z12*z3) + 
   (2*s1234*s24*s34*z1*z2*z4)/(s12*s123*s13*z12*z3) - 
   (2*s1234*s24*s34*z1*z2*z4)/(s123*s124*s13*z12*z3) + 
   (2*s1234*s14*s24*s34*z1*z2*z4)/(s12*s123*s124*s13*z12*z3) - 
   (2*s1234*s24*s34*z1*z2*z4)/(s12*s123*s23*z12*z3) + 
   (s1234*s13*s24*s34*z1*z2*z4)/(s12*s123*s124*s23*z12*z3) - 
   (2*s1234*s14*s24*s34*z1*z2*z4)/(s12*s123*s124*s23*z12*z3) - 
   (s1234*s23*s24*s34*z1*z2*z4)/(s12*s123*s124*s13*z12*z3) - 
   (2*s1234*s24^2*s34*z1*z2*z4)/(s12*s123*s124*s23*z12*z3) + 
   (2*s1234*s34^2*z1*z2*z4)/(s123*s124*s13*z12*z3) + 
   (2*s1234*s14*s34^2*z1*z2*z4)/(s12*s123*s124*s13*z12*z3) - 
   (2*s1234*s34^2*z1*z2*z4)/(s123*s124*s23*z12*z3) - 
   (2*s1234*s14*s34^2*z1*z2*z4)/(s12*s123*s124*s23*z12*z3) + 
   (2*s1234*s24*s34^2*z1*z2*z4)/(s12*s123*s124*s13*z12*z3) - 
   (2*s1234*s24*s34^2*z1*z2*z4)/(s12*s123*s124*s23*z12*z3) - 
   (s12*s1234*z1*z2*z4)/(s123*s13*z123*z3) + (s1234*s13*z1*z2*z4)/
    (s123*s124*z123*z3) + (2*s1234*s14*z1*z2*z4)/(s12*s123*z123*z3) + 
   (2*s1234*s14*z1*z2*z4)/(s123*s124*z123*z3) + 
   (s1234*s14*z1*z2*z4)/(s123*s13*z123*z3) + (2*s1234*s13*s14*z1*z2*z4)/
    (s12*s123*s124*z123*z3) + (2*s1234*s14^2*z1*z2*z4)/
    (s12*s123*s124*z123*z3) + (2*s1234*s14^2*z1*z2*z4)/
    (s12*s123*s13*z123*z3) + (s12*s1234*z1*z2*z4)/(s123*s23*z123*z3) + 
   (s1234*s13*z1*z2*z4)/(s123*s23*z123*z3) + (s12*s1234*s13*z1*z2*z4)/
    (s123*s124*s23*z123*z3) + (s1234*s13^2*z1*z2*z4)/
    (s123*s124*s23*z123*z3) + (s1234*s14*z1*z2*z4)/(s123*s23*z123*z3) + 
   (s1234*s13*s14*z1*z2*z4)/(s123*s124*s23*z123*z3) - 
   (s1234*s23*z1*z2*z4)/(s123*s124*z123*z3) - (s1234*s23*z1*z2*z4)/
    (s123*s13*z123*z3) - (s12*s1234*s23*z1*z2*z4)/(s123*s124*s13*z123*z3) + 
   (4*s1234*s14*s23*z1*z2*z4)/(s12*s123*s124*z123*z3) + 
   (2*s1234*s14*s23*z1*z2*z4)/(s12*s123*s13*z123*z3) + 
   (s1234*s14*s23*z1*z2*z4)/(s123*s124*s13*z123*z3) + 
   (2*s1234*s14^2*s23*z1*z2*z4)/(s12*s123*s124*s13*z123*z3) - 
   (s1234*s23^2*z1*z2*z4)/(s123*s124*s13*z123*z3) + 
   (2*s1234*s14*s23^2*z1*z2*z4)/(s12*s123*s124*s13*z123*z3) - 
   (2*s1234*s24*z1*z2*z4)/(s12*s123*z123*z3) - (2*s1234*s24*z1*z2*z4)/
    (s123*s124*z123*z3) - (s1234*s24*z1*z2*z4)/(s123*s13*z123*z3) - 
   (4*s1234*s13*s24*z1*z2*z4)/(s12*s123*s124*z123*z3) + 
   (2*s1234*s14*s24*z1*z2*z4)/(s12*s123*s13*z123*z3) - 
   (s1234*s24*z1*z2*z4)/(s123*s23*z123*z3) - (2*s1234*s13*s24*z1*z2*z4)/
    (s12*s123*s23*z123*z3) - (s1234*s13*s24*z1*z2*z4)/
    (s123*s124*s23*z123*z3) - (2*s1234*s13^2*s24*z1*z2*z4)/
    (s12*s123*s124*s23*z123*z3) - (2*s1234*s14*s24*z1*z2*z4)/
    (s12*s123*s23*z123*z3) - (2*s1234*s13*s14*s24*z1*z2*z4)/
    (s12*s123*s124*s23*z123*z3) - (2*s1234*s23*s24*z1*z2*z4)/
    (s12*s123*s124*z123*z3) - (s1234*s23*s24*z1*z2*z4)/
    (s123*s124*s13*z123*z3) + (2*s1234*s14*s23*s24*z1*z2*z4)/
    (s12*s123*s124*s13*z123*z3) - (2*s1234*s24^2*z1*z2*z4)/
    (s12*s123*s124*z123*z3) - (2*s1234*s24^2*z1*z2*z4)/
    (s12*s123*s23*z123*z3) - (2*s1234*s13*s24^2*z1*z2*z4)/
    (s12*s123*s124*s23*z123*z3) - (s1234*s34*z1*z2*z4)/(s123*s13*z123*z3) - 
   (s12*s1234*s34*z1*z2*z4)/(s123*s124*s13*z123*z3) + 
   (4*s1234*s14*s34*z1*z2*z4)/(s12*s123*s124*z123*z3) + 
   (2*s1234*s14*s34*z1*z2*z4)/(s12*s123*s13*z123*z3) + 
   (s1234*s14*s34*z1*z2*z4)/(s123*s124*s13*z123*z3) + 
   (2*s1234*s14^2*s34*z1*z2*z4)/(s12*s123*s124*s13*z123*z3) + 
   (s1234*s34*z1*z2*z4)/(s123*s23*z123*z3) + (s12*s1234*s34*z1*z2*z4)/
    (s123*s124*s23*z123*z3) + (2*s1234*s13*s34*z1*z2*z4)/
    (s123*s124*s23*z123*z3) + (s1234*s14*s34*z1*z2*z4)/
    (s123*s124*s23*z123*z3) - (2*s1234*s23*s34*z1*z2*z4)/
    (s123*s124*s13*z123*z3) + (4*s1234*s14*s23*s34*z1*z2*z4)/
    (s12*s123*s124*s13*z123*z3) - (4*s1234*s24*s34*z1*z2*z4)/
    (s12*s123*s124*z123*z3) - (s1234*s24*s34*z1*z2*z4)/
    (s123*s124*s13*z123*z3) + (2*s1234*s14*s24*s34*z1*z2*z4)/
    (s12*s123*s124*s13*z123*z3) - (2*s1234*s24*s34*z1*z2*z4)/
    (s12*s123*s23*z123*z3) - (s1234*s24*s34*z1*z2*z4)/
    (s123*s124*s23*z123*z3) - (4*s1234*s13*s24*s34*z1*z2*z4)/
    (s12*s123*s124*s23*z123*z3) - (2*s1234*s14*s24*s34*z1*z2*z4)/
    (s12*s123*s124*s23*z123*z3) - (2*s1234*s24^2*s34*z1*z2*z4)/
    (s12*s123*s124*s23*z123*z3) - (s1234*s34^2*z1*z2*z4)/
    (s123*s124*s13*z123*z3) + (2*s1234*s14*s34^2*z1*z2*z4)/
    (s12*s123*s124*s13*z123*z3) + (s1234*s34^2*z1*z2*z4)/
    (s123*s124*s23*z123*z3) - (2*s1234*s24*s34^2*z1*z2*z4)/
    (s12*s123*s124*s23*z123*z3) - (6*s1234*z1^2*z2*z4)/(s123*z12*z123*z3) - 
   (2*s12*s1234*z1^2*z2*z4)/(s123*s124*z12*z123*z3) - 
   (4*s12*s1234*z1^2*z2*z4)/(s123*s13*z12*z123*z3) - 
   (2*s1234*s13*z1^2*z2*z4)/(s12*s123*z12*z123*z3) - 
   (2*s1234*s13*z1^2*z2*z4)/(s123*s124*z12*z123*z3) - 
   (6*s1234*s14*z1^2*z2*z4)/(s12*s123*z12*z123*z3) - 
   (4*s1234*s14*z1^2*z2*z4)/(s123*s124*z12*z123*z3) - 
   (8*s1234*s14*z1^2*z2*z4)/(s123*s13*z12*z123*z3) - 
   (2*s1234*s13*s14*z1^2*z2*z4)/(s12*s123*s124*z12*z123*z3) - 
   (2*s1234*s14^2*z1^2*z2*z4)/(s12*s123*s124*z12*z123*z3) - 
   (4*s1234*s14^2*z1^2*z2*z4)/(s12*s123*s13*z12*z123*z3) - 
   (4*s1234*s23*z1^2*z2*z4)/(s12*s123*z12*z123*z3) - 
   (4*s1234*s23*z1^2*z2*z4)/(s123*s124*z12*z123*z3) - 
   (6*s1234*s23*z1^2*z2*z4)/(s123*s13*z12*z123*z3) - 
   (2*s12*s1234*s23*z1^2*z2*z4)/(s123*s124*s13*z12*z123*z3) - 
   (4*s1234*s14*s23*z1^2*z2*z4)/(s12*s123*s124*z12*z123*z3) - 
   (6*s1234*s14*s23*z1^2*z2*z4)/(s12*s123*s13*z12*z123*z3) - 
   (4*s1234*s14*s23*z1^2*z2*z4)/(s123*s124*s13*z12*z123*z3) - 
   (2*s1234*s14^2*s23*z1^2*z2*z4)/(s12*s123*s124*s13*z12*z123*z3) - 
   (2*s1234*s23^2*z1^2*z2*z4)/(s12*s123*s13*z12*z123*z3) - 
   (2*s1234*s23^2*z1^2*z2*z4)/(s123*s124*s13*z12*z123*z3) - 
   (2*s1234*s14*s23^2*z1^2*z2*z4)/(s12*s123*s124*s13*z12*z123*z3) - 
   (6*s1234*s24*z1^2*z2*z4)/(s12*s123*z12*z123*z3) - 
   (4*s1234*s24*z1^2*z2*z4)/(s123*s124*z12*z123*z3) - 
   (8*s1234*s24*z1^2*z2*z4)/(s123*s13*z12*z123*z3) - 
   (2*s1234*s13*s24*z1^2*z2*z4)/(s12*s123*s124*z12*z123*z3) - 
   (4*s1234*s14*s24*z1^2*z2*z4)/(s12*s123*s124*z12*z123*z3) - 
   (8*s1234*s14*s24*z1^2*z2*z4)/(s12*s123*s13*z12*z123*z3) - 
   (4*s1234*s23*s24*z1^2*z2*z4)/(s12*s123*s124*z12*z123*z3) - 
   (6*s1234*s23*s24*z1^2*z2*z4)/(s12*s123*s13*z12*z123*z3) - 
   (4*s1234*s23*s24*z1^2*z2*z4)/(s123*s124*s13*z12*z123*z3) - 
   (4*s1234*s14*s23*s24*z1^2*z2*z4)/(s12*s123*s124*s13*z12*z123*z3) - 
   (2*s1234*s23^2*s24*z1^2*z2*z4)/(s12*s123*s124*s13*z12*z123*z3) - 
   (2*s1234*s24^2*z1^2*z2*z4)/(s12*s123*s124*z12*z123*z3) - 
   (4*s1234*s24^2*z1^2*z2*z4)/(s12*s123*s13*z12*z123*z3) - 
   (2*s1234*s23*s24^2*z1^2*z2*z4)/(s12*s123*s124*s13*z12*z123*z3) - 
   (2*s1234*s34*z1^2*z2*z4)/(s12*s123*z12*z123*z3) - 
   (6*s1234*s34*z1^2*z2*z4)/(s123*s124*z12*z123*z3) - 
   (4*s1234*s34*z1^2*z2*z4)/(s123*s13*z12*z123*z3) - 
   (4*s12*s1234*s34*z1^2*z2*z4)/(s123*s124*s13*z12*z123*z3) - 
   (6*s1234*s14*s34*z1^2*z2*z4)/(s12*s123*s124*z12*z123*z3) - 
   (4*s1234*s14*s34*z1^2*z2*z4)/(s12*s123*s13*z12*z123*z3) - 
   (8*s1234*s14*s34*z1^2*z2*z4)/(s123*s124*s13*z12*z123*z3) - 
   (4*s1234*s14^2*s34*z1^2*z2*z4)/(s12*s123*s124*s13*z12*z123*z3) - 
   (2*s1234*s23*s34*z1^2*z2*z4)/(s12*s123*s13*z12*z123*z3) - 
   (6*s1234*s23*s34*z1^2*z2*z4)/(s123*s124*s13*z12*z123*z3) - 
   (6*s1234*s14*s23*s34*z1^2*z2*z4)/(s12*s123*s124*s13*z12*z123*z3) - 
   (6*s1234*s24*s34*z1^2*z2*z4)/(s12*s123*s124*z12*z123*z3) - 
   (4*s1234*s24*s34*z1^2*z2*z4)/(s12*s123*s13*z12*z123*z3) - 
   (8*s1234*s24*s34*z1^2*z2*z4)/(s123*s124*s13*z12*z123*z3) - 
   (8*s1234*s14*s24*s34*z1^2*z2*z4)/(s12*s123*s124*s13*z12*z123*z3) - 
   (6*s1234*s23*s24*s34*z1^2*z2*z4)/(s12*s123*s124*s13*z12*z123*z3) - 
   (4*s1234*s24^2*s34*z1^2*z2*z4)/(s12*s123*s124*s13*z12*z123*z3) - 
   (4*s1234*s34^2*z1^2*z2*z4)/(s123*s124*s13*z12*z123*z3) - 
   (4*s1234*s14*s34^2*z1^2*z2*z4)/(s12*s123*s124*s13*z12*z123*z3) - 
   (4*s1234*s24*s34^2*z1^2*z2*z4)/(s12*s123*s124*s13*z12*z123*z3) + 
   (s12*s1234*z2^2*z4)/(s123*s124*z12*z3) + (s1234*s13*z2^2*z4)/
    (s12*s123*z12*z3) - (s1234*s14*z2^2*z4)/(s12*s123*z12*z3) - 
   (s1234*s14^2*z2^2*z4)/(s12*s123*s124*z12*z3) + 
   (s12*s1234*z2^2*z4)/(s123*s23*z12*z3) + (2*s1234*s13*z2^2*z4)/
    (s123*s23*z12*z3) + (s1234*s13^2*z2^2*z4)/(s12*s123*s23*z12*z3) - 
   (s1234*s14*z2^2*z4)/(s123*s23*z12*z3) - (s1234*s13*s14*z2^2*z4)/
    (s123*s124*s23*z12*z3) - (2*s1234*s14^2*z2^2*z4)/(s12*s123*s23*z12*z3) - 
   (s1234*s13*s14^2*z2^2*z4)/(s12*s123*s124*s23*z12*z3) + 
   (s1234*s24*z2^2*z4)/(s123*s124*z12*z3) - (s1234*s14*s24*z2^2*z4)/
    (s12*s123*s124*z12*z3) + (s1234*s24*z2^2*z4)/(s123*s23*z12*z3) + 
   (s1234*s13*s24*z2^2*z4)/(s12*s123*s23*z12*z3) - 
   (2*s1234*s14*s24*z2^2*z4)/(s12*s123*s23*z12*z3) - 
   (s1234*s13*s14*s24*z2^2*z4)/(s12*s123*s124*s23*z12*z3) - 
   (s1234*s34*z2^2*z4)/(s123*s23*z12*z3) + (2*s12*s1234*s34*z2^2*z4)/
    (s123*s124*s23*z12*z3) - (s1234*s13*s34*z2^2*z4)/(s12*s123*s23*z12*z3) + 
   (2*s1234*s13*s34*z2^2*z4)/(s123*s124*s23*z12*z3) + 
   (2*s1234*s13*s14*s34*z2^2*z4)/(s12*s123*s124*s23*z12*z3) - 
   (2*s1234*s14^2*s34*z2^2*z4)/(s12*s123*s124*s23*z12*z3) + 
   (2*s1234*s24*s34*z2^2*z4)/(s123*s124*s23*z12*z3) + 
   (2*s1234*s13*s24*s34*z2^2*z4)/(s12*s123*s124*s23*z12*z3) - 
   (2*s1234*s14*s24*s34*z2^2*z4)/(s12*s123*s124*s23*z12*z3) + 
   (s1234*z2^2*z4)/(s123*z123*z3) + (s12*s1234*z2^2*z4)/(s123*s124*z123*z3) - 
   (s1234*s13*z2^2*z4)/(s12*s123*z123*z3) + (3*s1234*s13*z2^2*z4)/
    (s123*s124*z123*z3) - (2*s1234*s14*z2^2*z4)/(s12*s123*z123*z3) - 
   (s1234*s14*z2^2*z4)/(s123*s124*z123*z3) - (3*s1234*s13*s14*z2^2*z4)/
    (s12*s123*s124*z123*z3) - (2*s1234*s14^2*z2^2*z4)/
    (s12*s123*s124*z123*z3) + (s12*s1234*z2^2*z4)/(s123*s23*z123*z3) + 
   (2*s12*s1234*s13*z2^2*z4)/(s123*s124*s23*z123*z3) - 
   (s1234*s13^2*z2^2*z4)/(s12*s123*s23*z123*z3) + 
   (2*s1234*s13^2*z2^2*z4)/(s123*s124*s23*z123*z3) - 
   (s1234*s14*z2^2*z4)/(s123*s23*z123*z3) - (3*s1234*s13*s14*z2^2*z4)/
    (s12*s123*s23*z123*z3) + (s1234*s13*s14*z2^2*z4)/
    (s123*s124*s23*z123*z3) - (s1234*s13^2*s14*z2^2*z4)/
    (s12*s123*s124*s23*z123*z3) - (2*s1234*s14^2*z2^2*z4)/
    (s12*s123*s23*z123*z3) - (s1234*s13*s14^2*z2^2*z4)/
    (s12*s123*s124*s23*z123*z3) + (s1234*s23*z2^2*z4)/(s123*s124*z123*z3) - 
   (2*s1234*s14*s23*z2^2*z4)/(s12*s123*s124*z123*z3) + 
   (s1234*s24*z2^2*z4)/(s123*s124*z123*z3) + (s1234*s13*s24*z2^2*z4)/
    (s12*s123*s124*z123*z3) - (2*s1234*s14*s24*z2^2*z4)/
    (s12*s123*s124*z123*z3) + (s1234*s24*z2^2*z4)/(s123*s23*z123*z3) - 
   (s1234*s13*s24*z2^2*z4)/(s12*s123*s23*z123*z3) + 
   (3*s1234*s13*s24*z2^2*z4)/(s123*s124*s23*z123*z3) + 
   (s1234*s13^2*s24*z2^2*z4)/(s12*s123*s124*s23*z123*z3) - 
   (2*s1234*s14*s24*z2^2*z4)/(s12*s123*s23*z123*z3) + 
   (s1234*s13*s24^2*z2^2*z4)/(s12*s123*s124*s23*z123*z3) + 
   (2*s1234*s34*z2^2*z4)/(s123*s124*z123*z3) - (4*s1234*s14*s34*z2^2*z4)/
    (s12*s123*s124*z123*z3) + (s1234*s34*z2^2*z4)/(s123*s23*z123*z3) + 
   (s12*s1234*s34*z2^2*z4)/(s123*s124*s23*z123*z3) - 
   (s1234*s13*s34*z2^2*z4)/(s12*s123*s23*z123*z3) + 
   (3*s1234*s13*s34*z2^2*z4)/(s123*s124*s23*z123*z3) - 
   (2*s1234*s14*s34*z2^2*z4)/(s12*s123*s23*z123*z3) - 
   (s1234*s14*s34*z2^2*z4)/(s123*s124*s23*z123*z3) - 
   (3*s1234*s13*s14*s34*z2^2*z4)/(s12*s123*s124*s23*z123*z3) - 
   (2*s1234*s14^2*s34*z2^2*z4)/(s12*s123*s124*s23*z123*z3) + 
   (s1234*s24*s34*z2^2*z4)/(s123*s124*s23*z123*z3) + 
   (s1234*s13*s24*s34*z2^2*z4)/(s12*s123*s124*s23*z123*z3) - 
   (2*s1234*s14*s24*s34*z2^2*z4)/(s12*s123*s124*s23*z123*z3) + 
   (s1234*s34^2*z2^2*z4)/(s123*s124*s23*z123*z3) - 
   (2*s1234*s14*s34^2*z2^2*z4)/(s12*s123*s124*s23*z123*z3) + 
   (6*s1234*z1*z2^2*z4)/(s123*z12*z123*z3) + (2*s12*s1234*z1*z2^2*z4)/
    (s123*s124*z12*z123*z3) + (4*s1234*s13*z1*z2^2*z4)/
    (s12*s123*z12*z123*z3) + (4*s1234*s13*z1*z2^2*z4)/
    (s123*s124*z12*z123*z3) + (6*s1234*s14*z1*z2^2*z4)/
    (s12*s123*z12*z123*z3) + (4*s1234*s14*z1*z2^2*z4)/
    (s123*s124*z12*z123*z3) + (4*s1234*s13*s14*z1*z2^2*z4)/
    (s12*s123*s124*z12*z123*z3) + (2*s1234*s14^2*z1*z2^2*z4)/
    (s12*s123*s124*z12*z123*z3) + (4*s12*s1234*z1*z2^2*z4)/
    (s123*s23*z12*z123*z3) + (6*s1234*s13*z1*z2^2*z4)/
    (s123*s23*z12*z123*z3) + (2*s12*s1234*s13*z1*z2^2*z4)/
    (s123*s124*s23*z12*z123*z3) + (2*s1234*s13^2*z1*z2^2*z4)/
    (s12*s123*s23*z12*z123*z3) + (2*s1234*s13^2*z1*z2^2*z4)/
    (s123*s124*s23*z12*z123*z3) + (8*s1234*s14*z1*z2^2*z4)/
    (s123*s23*z12*z123*z3) + (6*s1234*s13*s14*z1*z2^2*z4)/
    (s12*s123*s23*z12*z123*z3) + (4*s1234*s13*s14*z1*z2^2*z4)/
    (s123*s124*s23*z12*z123*z3) + (2*s1234*s13^2*s14*z1*z2^2*z4)/
    (s12*s123*s124*s23*z12*z123*z3) + (4*s1234*s14^2*z1*z2^2*z4)/
    (s12*s123*s23*z12*z123*z3) + (2*s1234*s13*s14^2*z1*z2^2*z4)/
    (s12*s123*s124*s23*z12*z123*z3) + (2*s1234*s23*z1*z2^2*z4)/
    (s12*s123*z12*z123*z3) + (2*s1234*s23*z1*z2^2*z4)/
    (s123*s124*z12*z123*z3) + (2*s1234*s14*s23*z1*z2^2*z4)/
    (s12*s123*s124*z12*z123*z3) + (6*s1234*s24*z1*z2^2*z4)/
    (s12*s123*z12*z123*z3) + (4*s1234*s24*z1*z2^2*z4)/
    (s123*s124*z12*z123*z3) + (4*s1234*s13*s24*z1*z2^2*z4)/
    (s12*s123*s124*z12*z123*z3) + (4*s1234*s14*s24*z1*z2^2*z4)/
    (s12*s123*s124*z12*z123*z3) + (8*s1234*s24*z1*z2^2*z4)/
    (s123*s23*z12*z123*z3) + (6*s1234*s13*s24*z1*z2^2*z4)/
    (s12*s123*s23*z12*z123*z3) + (4*s1234*s13*s24*z1*z2^2*z4)/
    (s123*s124*s23*z12*z123*z3) + (2*s1234*s13^2*s24*z1*z2^2*z4)/
    (s12*s123*s124*s23*z12*z123*z3) + (8*s1234*s14*s24*z1*z2^2*z4)/
    (s12*s123*s23*z12*z123*z3) + (4*s1234*s13*s14*s24*z1*z2^2*z4)/
    (s12*s123*s124*s23*z12*z123*z3) + (2*s1234*s23*s24*z1*z2^2*z4)/
    (s12*s123*s124*z12*z123*z3) + (2*s1234*s24^2*z1*z2^2*z4)/
    (s12*s123*s124*z12*z123*z3) + (4*s1234*s24^2*z1*z2^2*z4)/
    (s12*s123*s23*z12*z123*z3) + (2*s1234*s13*s24^2*z1*z2^2*z4)/
    (s12*s123*s124*s23*z12*z123*z3) + (2*s1234*s34*z1*z2^2*z4)/
    (s12*s123*z12*z123*z3) + (6*s1234*s34*z1*z2^2*z4)/
    (s123*s124*z12*z123*z3) + (6*s1234*s14*s34*z1*z2^2*z4)/
    (s12*s123*s124*z12*z123*z3) + (4*s1234*s34*z1*z2^2*z4)/
    (s123*s23*z12*z123*z3) + (4*s12*s1234*s34*z1*z2^2*z4)/
    (s123*s124*s23*z12*z123*z3) + (2*s1234*s13*s34*z1*z2^2*z4)/
    (s12*s123*s23*z12*z123*z3) + (6*s1234*s13*s34*z1*z2^2*z4)/
    (s123*s124*s23*z12*z123*z3) + (4*s1234*s14*s34*z1*z2^2*z4)/
    (s12*s123*s23*z12*z123*z3) + (8*s1234*s14*s34*z1*z2^2*z4)/
    (s123*s124*s23*z12*z123*z3) + (6*s1234*s13*s14*s34*z1*z2^2*z4)/
    (s12*s123*s124*s23*z12*z123*z3) + (4*s1234*s14^2*s34*z1*z2^2*z4)/
    (s12*s123*s124*s23*z12*z123*z3) + (6*s1234*s24*s34*z1*z2^2*z4)/
    (s12*s123*s124*z12*z123*z3) + (4*s1234*s24*s34*z1*z2^2*z4)/
    (s12*s123*s23*z12*z123*z3) + (8*s1234*s24*s34*z1*z2^2*z4)/
    (s123*s124*s23*z12*z123*z3) + (6*s1234*s13*s24*s34*z1*z2^2*z4)/
    (s12*s123*s124*s23*z12*z123*z3) + (8*s1234*s14*s24*s34*z1*z2^2*z4)/
    (s12*s123*s124*s23*z12*z123*z3) + (4*s1234*s24^2*s34*z1*z2^2*z4)/
    (s12*s123*s124*s23*z12*z123*z3) + (4*s1234*s34^2*z1*z2^2*z4)/
    (s123*s124*s23*z12*z123*z3) + (4*s1234*s14*s34^2*z1*z2^2*z4)/
    (s12*s123*s124*s23*z12*z123*z3) + (4*s1234*s24*s34^2*z1*z2^2*z4)/
    (s12*s123*s124*s23*z12*z123*z3) + (D*s12*s1234*z3*z4)/(2*s123*s13*z12) + 
   (2*s12^2*s1234*z3*z4)/(s123*s124*s13*z12) - (D*s12^2*s1234*z3*z4)/
    (2*s123*s124*s13*z12) + (2*s1234*s14*z3*z4)/(s123*s13*z12) + 
   (4*s12*s1234*s14*z3*z4)/(s123*s124*s13*z12) - 
   (D*s12*s1234*s14*z3*z4)/(2*s123*s124*s13*z12) + 
   (2*s1234*s14^2*z3*z4)/(s123*s124*s13*z12) - (D*s12*s1234*z3*z4)/
    (2*s123*s23*z12) - (2*s12^2*s1234*z3*z4)/(s123*s124*s23*z12) + 
   (D*s12^2*s1234*z3*z4)/(2*s123*s124*s23*z12) - 
   (s1234*s13*z3*z4)/(s123*s23*z12) - (D*s1234*s13*z3*z4)/(4*s123*s23*z12) - 
   (2*s12*s1234*s13*z3*z4)/(s123*s124*s23*z12) + 
   (D*s12*s1234*s13*z3*z4)/(2*s123*s124*s23*z12) - 
   (3*s1234*s14*z3*z4)/(s123*s23*z12) - (s12*s1234*s14*z3*z4)/
    (s123*s124*s23*z12) + (D*s12*s1234*s14*z3*z4)/(2*s123*s124*s23*z12) - 
   (2*s1234*s13*s14*z3*z4)/(s123*s124*s23*z12) + 
   (D*s1234*s13*s14*z3*z4)/(2*s123*s124*s23*z12) + 
   (s1234*s14^2*z3*z4)/(s123*s124*s23*z12) + (s1234*s23*z3*z4)/
    (s123*s13*z12) + (D*s1234*s23*z3*z4)/(4*s123*s13*z12) + 
   (2*s12*s1234*s23*z3*z4)/(s123*s124*s13*z12) - 
   (D*s12*s1234*s23*z3*z4)/(2*s123*s124*s13*z12) + 
   (2*s1234*s14*s23*z3*z4)/(s123*s124*s13*z12) - 
   (D*s1234*s14*s23*z3*z4)/(2*s123*s124*s13*z12) + 
   (3*s1234*s24*z3*z4)/(s123*s13*z12) + (s12*s1234*s24*z3*z4)/
    (s123*s124*s13*z12) - (D*s12*s1234*s24*z3*z4)/(2*s123*s124*s13*z12) + 
   (s1234*s14*s24*z3*z4)/(s123*s124*s13*z12) - (2*s1234*s24*z3*z4)/
    (s123*s23*z12) - (4*s12*s1234*s24*z3*z4)/(s123*s124*s23*z12) + 
   (D*s12*s1234*s24*z3*z4)/(2*s123*s124*s23*z12) - 
   (2*s1234*s13*s24*z3*z4)/(s123*s124*s23*z12) + 
   (D*s1234*s13*s24*z3*z4)/(2*s123*s124*s23*z12) - 
   (s1234*s14*s24*z3*z4)/(s123*s124*s23*z12) + (2*s1234*s23*s24*z3*z4)/
    (s123*s124*s13*z12) - (D*s1234*s23*s24*z3*z4)/(2*s123*s124*s13*z12) - 
   (s1234*s24^2*z3*z4)/(s123*s124*s13*z12) - (2*s1234*s24^2*z3*z4)/
    (s123*s124*s23*z12) - (s1234*s13*z3*z4)/(s123*s34*z12) + 
   (D*s1234*s13*z3*z4)/(4*s123*s34*z12) + (2*s1234*s14*z3*z4)/
    (s123*s34*z12) + (2*s12*s1234*s14*z3*z4)/(s123*s13*s34*z12) + 
   (2*s1234*s14^2*z3*z4)/(s123*s13*s34*z12) - (s12*s1234*s13*z3*z4)/
    (s123*s23*s34*z12) + (D*s12*s1234*s13*z3*z4)/(4*s123*s23*s34*z12) - 
   (s1234*s13^2*z3*z4)/(s123*s23*s34*z12) + (D*s1234*s13^2*z3*z4)/
    (4*s123*s23*s34*z12) - (s1234*s13*s14*z3*z4)/(s123*s23*s34*z12) + 
   (D*s1234*s13*s14*z3*z4)/(4*s123*s23*s34*z12) + 
   (s1234*s23*z3*z4)/(s123*s34*z12) - (D*s1234*s23*z3*z4)/(4*s123*s34*z12) + 
   (s12*s1234*s23*z3*z4)/(s123*s13*s34*z12) - (D*s12*s1234*s23*z3*z4)/
    (4*s123*s13*s34*z12) + (3*s1234*s14*s23*z3*z4)/(s123*s13*s34*z12) - 
   (D*s1234*s14*s23*z3*z4)/(4*s123*s13*s34*z12) + 
   (s1234*s23^2*z3*z4)/(s123*s13*s34*z12) - (D*s1234*s23^2*z3*z4)/
    (4*s123*s13*s34*z12) - (2*s1234*s24*z3*z4)/(s123*s34*z12) + 
   (2*s1234*s14*s24*z3*z4)/(s123*s13*s34*z12) - (2*s12*s1234*s24*z3*z4)/
    (s123*s23*s34*z12) - (3*s1234*s13*s24*z3*z4)/(s123*s23*s34*z12) + 
   (D*s1234*s13*s24*z3*z4)/(4*s123*s23*s34*z12) - 
   (2*s1234*s14*s24*z3*z4)/(s123*s23*s34*z12) + (s1234*s23*s24*z3*z4)/
    (s123*s13*s34*z12) - (D*s1234*s23*s24*z3*z4)/(4*s123*s13*s34*z12) - 
   (2*s1234*s24^2*z3*z4)/(s123*s23*s34*z12) + (2*s12*s1234*s34*z3*z4)/
    (s123*s124*s13*z12) + (2*s1234*s14*s34*z3*z4)/(s123*s124*s13*z12) - 
   (2*s12*s1234*s34*z3*z4)/(s123*s124*s23*z12) - 
   (2*s1234*s14*s34*z3*z4)/(s123*s124*s23*z12) + 
   (2*s1234*s24*s34*z3*z4)/(s123*s124*s13*z12) - 
   (2*s1234*s24*s34*z3*z4)/(s123*s124*s23*z12) + 
   (s12*s1234*z3*z4)/(s123*s13*z123) - (D*s12*s1234*z3*z4)/
    (2*s123*s13*z123) + (3*s12^2*s1234*z3*z4)/(s123*s124*s13*z123) - 
   (D*s12^2*s1234*z3*z4)/(2*s123*s124*s13*z123) - 
   (s1234*s13*z3*z4)/(s12*s123*z123) - (s1234*s13*z3*z4)/(s123*s124*z123) + 
   (D*s1234*s13*z3*z4)/(4*s123*s124*z123) + (2*s1234*s14*z3*z4)/
    (s12*s123*z123) + (s1234*s14*z3*z4)/(s123*s124*z123) + 
   (4*s1234*s14*z3*z4)/(s123*s13*z123) - (D*s1234*s14*z3*z4)/
    (2*s123*s13*z123) + (6*s12*s1234*s14*z3*z4)/(s123*s124*s13*z123) - 
   (D*s12*s1234*s14*z3*z4)/(s123*s124*s13*z123) + 
   (3*s1234*s14^2*z3*z4)/(s123*s124*s13*z123) - (D*s1234*s14^2*z3*z4)/
    (2*s123*s124*s13*z123) - (s12*s1234*z3*z4)/(s123*s23*z123) + 
   (D*s12*s1234*z3*z4)/(2*s123*s23*z123) - (3*s12^2*s1234*z3*z4)/
    (s123*s124*s23*z123) + (D*s12^2*s1234*z3*z4)/(2*s123*s124*s23*z123) - 
   (2*s1234*s13*z3*z4)/(s123*s23*z123) + (3*D*s1234*s13*z3*z4)/
    (4*s123*s23*z123) - (4*s12*s1234*s13*z3*z4)/(s123*s124*s23*z123) + 
   (3*D*s12*s1234*s13*z3*z4)/(4*s123*s124*s23*z123) - 
   (s1234*s13^2*z3*z4)/(s123*s124*s23*z123) + (D*s1234*s13^2*z3*z4)/
    (4*s123*s124*s23*z123) - (s1234*s14*z3*z4)/(s123*s23*z123) + 
   (D*s1234*s14*z3*z4)/(2*s123*s23*z123) - (5*s12*s1234*s14*z3*z4)/
    (s123*s124*s23*z123) + (D*s12*s1234*s14*z3*z4)/(s123*s124*s23*z123) - 
   (3*s1234*s13*s14*z3*z4)/(s123*s124*s23*z123) + 
   (3*D*s1234*s13*s14*z3*z4)/(4*s123*s124*s23*z123) - 
   (2*s1234*s14^2*z3*z4)/(s123*s124*s23*z123) + (D*s1234*s14^2*z3*z4)/
    (2*s123*s124*s23*z123) + (s1234*s23*z3*z4)/(s12*s123*z123) + 
   (s1234*s23*z3*z4)/(s123*s124*z123) - (D*s1234*s23*z3*z4)/
    (4*s123*s124*z123) + (2*s1234*s23*z3*z4)/(s123*s13*z123) - 
   (3*D*s1234*s23*z3*z4)/(4*s123*s13*z123) + (4*s12*s1234*s23*z3*z4)/
    (s123*s124*s13*z123) - (3*D*s12*s1234*s23*z3*z4)/(4*s123*s124*s13*z123) + 
   (s1234*s14*s23*z3*z4)/(s12*s123*s124*z123) + (s1234*s14*s23*z3*z4)/
    (s12*s123*s13*z123) + (5*s1234*s14*s23*z3*z4)/(s123*s124*s13*z123) - 
   (3*D*s1234*s14*s23*z3*z4)/(4*s123*s124*s13*z123) + 
   (s1234*s14^2*s23*z3*z4)/(s12*s123*s124*s13*z123) + 
   (s1234*s23^2*z3*z4)/(s123*s124*s13*z123) - (D*s1234*s23^2*z3*z4)/
    (4*s123*s124*s13*z123) + (s1234*s14*s23^2*z3*z4)/
    (s12*s123*s124*s13*z123) - (2*s1234*s24*z3*z4)/(s12*s123*z123) - 
   (s1234*s24*z3*z4)/(s123*s124*z123) + (s1234*s24*z3*z4)/(s123*s13*z123) - 
   (D*s1234*s24*z3*z4)/(2*s123*s13*z123) + (5*s12*s1234*s24*z3*z4)/
    (s123*s124*s13*z123) - (D*s12*s1234*s24*z3*z4)/(s123*s124*s13*z123) - 
   (s1234*s13*s24*z3*z4)/(s12*s123*s124*z123) - (2*s1234*s14*s24*z3*z4)/
    (s12*s123*s13*z123) + (3*s1234*s14*s24*z3*z4)/(s123*s124*s13*z123) - 
   (D*s1234*s14*s24*z3*z4)/(s123*s124*s13*z123) - 
   (2*s1234*s14^2*s24*z3*z4)/(s12*s123*s124*s13*z123) - 
   (4*s1234*s24*z3*z4)/(s123*s23*z123) + (D*s1234*s24*z3*z4)/
    (2*s123*s23*z123) - (6*s12*s1234*s24*z3*z4)/(s123*s124*s23*z123) + 
   (D*s12*s1234*s24*z3*z4)/(s123*s124*s23*z123) - 
   (s1234*s13*s24*z3*z4)/(s12*s123*s23*z123) - (5*s1234*s13*s24*z3*z4)/
    (s123*s124*s23*z123) + (3*D*s1234*s13*s24*z3*z4)/(4*s123*s124*s23*z123) - 
   (s1234*s13^2*s24*z3*z4)/(s12*s123*s124*s23*z123) + 
   (2*s1234*s14*s24*z3*z4)/(s12*s123*s23*z123) - 
   (3*s1234*s14*s24*z3*z4)/(s123*s124*s23*z123) + 
   (D*s1234*s14*s24*z3*z4)/(s123*s124*s23*z123) + 
   (s1234*s13*s14*s24*z3*z4)/(s12*s123*s124*s23*z123) + 
   (2*s1234*s14^2*s24*z3*z4)/(s12*s123*s124*s23*z123) + 
   (3*s1234*s23*s24*z3*z4)/(s123*s124*s13*z123) - 
   (3*D*s1234*s23*s24*z3*z4)/(4*s123*s124*s13*z123) - 
   (s1234*s14*s23*s24*z3*z4)/(s12*s123*s124*s13*z123) + 
   (2*s1234*s24^2*z3*z4)/(s123*s124*s13*z123) - (D*s1234*s24^2*z3*z4)/
    (2*s123*s124*s13*z123) - (2*s1234*s14*s24^2*z3*z4)/
    (s12*s123*s124*s13*z123) - (3*s1234*s24^2*z3*z4)/(s123*s124*s23*z123) + 
   (D*s1234*s24^2*z3*z4)/(2*s123*s124*s23*z123) - 
   (s1234*s13*s24^2*z3*z4)/(s12*s123*s124*s23*z123) + 
   (2*s1234*s14*s24^2*z3*z4)/(s12*s123*s124*s23*z123) - 
   (2*s1234*s13*z3*z4)/(s123*s34*z123) + (D*s1234*s13*z3*z4)/
    (4*s123*s34*z123) - (s1234*s13^2*z3*z4)/(s12*s123*s34*z123) + 
   (5*s1234*s14*z3*z4)/(s123*s34*z123) + (3*s12*s1234*s14*z3*z4)/
    (s123*s13*s34*z123) + (s1234*s13*s14*z3*z4)/(s12*s123*s34*z123) + 
   (2*s1234*s14^2*z3*z4)/(s12*s123*s34*z123) + (3*s1234*s14^2*z3*z4)/
    (s123*s13*s34*z123) - (s12*s1234*s13*z3*z4)/(s123*s23*s34*z123) + 
   (D*s12*s1234*s13*z3*z4)/(4*s123*s23*s34*z123) - 
   (s1234*s13^2*z3*z4)/(s123*s23*s34*z123) + (D*s1234*s13^2*z3*z4)/
    (4*s123*s23*s34*z123) - (s1234*s13*s14*z3*z4)/(s123*s23*s34*z123) + 
   (D*s1234*s13*s14*z3*z4)/(4*s123*s23*s34*z123) + 
   (2*s1234*s23*z3*z4)/(s123*s34*z123) - (D*s1234*s23*z3*z4)/
    (4*s123*s34*z123) + (s12*s1234*s23*z3*z4)/(s123*s13*s34*z123) - 
   (D*s12*s1234*s23*z3*z4)/(4*s123*s13*s34*z123) + 
   (4*s1234*s14*s23*z3*z4)/(s12*s123*s34*z123) + 
   (5*s1234*s14*s23*z3*z4)/(s123*s13*s34*z123) - 
   (D*s1234*s14*s23*z3*z4)/(4*s123*s13*s34*z123) + 
   (s1234*s14^2*s23*z3*z4)/(s12*s123*s13*s34*z123) + 
   (s1234*s23^2*z3*z4)/(s12*s123*s34*z123) + (s1234*s23^2*z3*z4)/
    (s123*s13*s34*z123) - (D*s1234*s23^2*z3*z4)/(4*s123*s13*s34*z123) + 
   (s1234*s14*s23^2*z3*z4)/(s12*s123*s13*s34*z123) - 
   (5*s1234*s24*z3*z4)/(s123*s34*z123) - (4*s1234*s13*s24*z3*z4)/
    (s12*s123*s34*z123) + (s1234*s14*s24*z3*z4)/(s123*s13*s34*z123) - 
   (2*s1234*s14^2*s24*z3*z4)/(s12*s123*s13*s34*z123) - 
   (3*s12*s1234*s24*z3*z4)/(s123*s23*s34*z123) - 
   (5*s1234*s13*s24*z3*z4)/(s123*s23*s34*z123) + 
   (D*s1234*s13*s24*z3*z4)/(4*s123*s23*s34*z123) - 
   (s1234*s13^2*s24*z3*z4)/(s12*s123*s23*s34*z123) - 
   (s1234*s14*s24*z3*z4)/(s123*s23*s34*z123) + (s1234*s13*s14*s24*z3*z4)/
    (s12*s123*s23*s34*z123) + (2*s1234*s14^2*s24*z3*z4)/
    (s12*s123*s23*s34*z123) - (s1234*s23*s24*z3*z4)/(s12*s123*s34*z123) + 
   (s1234*s23*s24*z3*z4)/(s123*s13*s34*z123) - (D*s1234*s23*s24*z3*z4)/
    (4*s123*s13*s34*z123) - (s1234*s14*s23*s24*z3*z4)/
    (s12*s123*s13*s34*z123) - (2*s1234*s24^2*z3*z4)/(s12*s123*s34*z123) - 
   (2*s1234*s14*s24^2*z3*z4)/(s12*s123*s13*s34*z123) - 
   (3*s1234*s24^2*z3*z4)/(s123*s23*s34*z123) - (s1234*s13*s24^2*z3*z4)/
    (s12*s123*s23*s34*z123) + (2*s1234*s14*s24^2*z3*z4)/
    (s12*s123*s23*s34*z123) + (s1234*s34*z3*z4)/(s123*s13*z123) - 
   (D*s1234*s34*z3*z4)/(2*s123*s13*z123) + (2*s12*s1234*s34*z3*z4)/
    (s123*s124*s13*z123) - (D*s12*s1234*s34*z3*z4)/(2*s123*s124*s13*z123) + 
   (2*s1234*s14*s34*z3*z4)/(s123*s124*s13*z123) - 
   (D*s1234*s14*s34*z3*z4)/(2*s123*s124*s13*z123) - 
   (s1234*s34*z3*z4)/(s123*s23*z123) + (D*s1234*s34*z3*z4)/
    (2*s123*s23*z123) - (2*s12*s1234*s34*z3*z4)/(s123*s124*s23*z123) + 
   (D*s12*s1234*s34*z3*z4)/(2*s123*s124*s23*z123) + 
   (D*s1234*s13*s34*z3*z4)/(4*s123*s124*s23*z123) - 
   (s1234*s14*s34*z3*z4)/(s123*s124*s23*z123) + (D*s1234*s14*s34*z3*z4)/
    (2*s123*s124*s23*z123) - (D*s1234*s23*s34*z3*z4)/(4*s123*s124*s13*z123) + 
   (s1234*s14*s23*s34*z3*z4)/(s12*s123*s124*s13*z123) + 
   (s1234*s24*s34*z3*z4)/(s123*s124*s13*z123) - (D*s1234*s24*s34*z3*z4)/
    (2*s123*s124*s13*z123) - (2*s1234*s14*s24*s34*z3*z4)/
    (s12*s123*s124*s13*z123) - (2*s1234*s24*s34*z3*z4)/(s123*s124*s23*z123) + 
   (D*s1234*s24*s34*z3*z4)/(2*s123*s124*s23*z123) - 
   (s1234*s13*s24*s34*z3*z4)/(s12*s123*s124*s23*z123) + 
   (2*s1234*s14*s24*s34*z3*z4)/(s12*s123*s124*s23*z123) - 
   (s1234*s34^2*z3*z4)/(s123*s124*s13*z123) + (s1234*s34^2*z3*z4)/
    (s123*s124*s23*z123) + (2*s1234*z1*z3*z4)/(s123*z12*z123) + 
   (s1234*s13*z1*z3*z4)/(s12*s123*z12*z123) + (s1234*s13*z1*z3*z4)/
    (s123*s124*z12*z123) + (s1234*s14*z1*z3*z4)/(s12*s123*z12*z123) + 
   (s1234*s14*z1*z3*z4)/(s123*s124*z12*z123) + (s1234*s13*s14*z1*z3*z4)/
    (s12*s123*s124*z12*z123) + (s1234*s14^2*z1*z3*z4)/
    (s12*s123*s124*z12*z123) + (s12*s1234*z1*z3*z4)/(s123*s23*z12*z123) - 
   (s12^2*s1234*z1*z3*z4)/(s123*s124*s23*z12*z123) + 
   (s1234*s13*z1*z3*z4)/(s123*s23*z12*z123) - (s12*s1234*s13*z1*z3*z4)/
    (s123*s124*s23*z12*z123) + (s1234*s14*z1*z3*z4)/(s123*s23*z12*z123) - 
   (2*s12*s1234*s14*z1*z3*z4)/(s123*s124*s23*z12*z123) - 
   (s1234*s13*s14*z1*z3*z4)/(s123*s124*s23*z12*z123) - 
   (s1234*s14^2*z1*z3*z4)/(s123*s124*s23*z12*z123) + 
   (s1234*s23*z1*z3*z4)/(s12*s123*z12*z123) + (s1234*s23*z1*z3*z4)/
    (s123*s124*z12*z123) + (s1234*s14*s23*z1*z3*z4)/
    (s12*s123*s124*z12*z123) - (s1234*s24*z1*z3*z4)/(s12*s123*z12*z123) - 
   (s1234*s24*z1*z3*z4)/(s123*s124*z12*z123) + (s1234*s13*s24*z1*z3*z4)/
    (s12*s123*s124*z12*z123) - (s1234*s24*z1*z3*z4)/(s123*s23*z12*z123) - 
   (4*s12*s1234*s24*z1*z3*z4)/(s123*s124*s23*z12*z123) - 
   (2*s1234*s13*s24*z1*z3*z4)/(s12*s123*s23*z12*z123) - 
   (3*s1234*s13*s24*z1*z3*z4)/(s123*s124*s23*z12*z123) - 
   (2*s1234*s14*s24*z1*z3*z4)/(s12*s123*s23*z12*z123) - 
   (6*s1234*s14*s24*z1*z3*z4)/(s123*s124*s23*z12*z123) - 
   (2*s1234*s13*s14*s24*z1*z3*z4)/(s12*s123*s124*s23*z12*z123) - 
   (2*s1234*s14^2*s24*z1*z3*z4)/(s12*s123*s124*s23*z12*z123) + 
   (s1234*s23*s24*z1*z3*z4)/(s12*s123*s124*z12*z123) - 
   (s1234*s24^2*z1*z3*z4)/(s12*s123*s124*z12*z123) - 
   (2*s1234*s24^2*z1*z3*z4)/(s12*s123*s23*z12*z123) - 
   (5*s1234*s24^2*z1*z3*z4)/(s123*s124*s23*z12*z123) - 
   (2*s1234*s13*s24^2*z1*z3*z4)/(s12*s123*s124*s23*z12*z123) - 
   (4*s1234*s14*s24^2*z1*z3*z4)/(s12*s123*s124*s23*z12*z123) - 
   (2*s1234*s24^3*z1*z3*z4)/(s12*s123*s124*s23*z12*z123) + 
   (s12*s1234*z1*z3*z4)/(s123*s34*z12*z123) + (2*s1234*s13*z1*z3*z4)/
    (s123*s34*z12*z123) + (s1234*s13^2*z1*z3*z4)/(s12*s123*s34*z12*z123) + 
   (2*s1234*s14*z1*z3*z4)/(s123*s34*z12*z123) + (2*s1234*s13*s14*z1*z3*z4)/
    (s12*s123*s34*z12*z123) + (s1234*s14^2*z1*z3*z4)/
    (s12*s123*s34*z12*z123) + (2*s1234*s23*z1*z3*z4)/(s123*s34*z12*z123) + 
   (2*s1234*s13*s23*z1*z3*z4)/(s12*s123*s34*z12*z123) + 
   (2*s1234*s14*s23*z1*z3*z4)/(s12*s123*s34*z12*z123) + 
   (s1234*s23^2*z1*z3*z4)/(s12*s123*s34*z12*z123) - 
   (2*s1234*s24*z1*z3*z4)/(s123*s34*z12*z123) - (2*s1234*s13*s24*z1*z3*z4)/
    (s12*s123*s34*z12*z123) - (2*s1234*s14*s24*z1*z3*z4)/
    (s12*s123*s34*z12*z123) - (2*s12*s1234*s24*z1*z3*z4)/
    (s123*s23*s34*z12*z123) - (4*s1234*s13*s24*z1*z3*z4)/
    (s123*s23*s34*z12*z123) - (2*s1234*s13^2*s24*z1*z3*z4)/
    (s12*s123*s23*s34*z12*z123) - (4*s1234*s14*s24*z1*z3*z4)/
    (s123*s23*s34*z12*z123) - (4*s1234*s13*s14*s24*z1*z3*z4)/
    (s12*s123*s23*s34*z12*z123) - (2*s1234*s14^2*s24*z1*z3*z4)/
    (s12*s123*s23*s34*z12*z123) - (3*s1234*s24^2*z1*z3*z4)/
    (s12*s123*s34*z12*z123) - (4*s1234*s24^2*z1*z3*z4)/
    (s123*s23*s34*z12*z123) - (4*s1234*s13*s24^2*z1*z3*z4)/
    (s12*s123*s23*s34*z12*z123) - (4*s1234*s14*s24^2*z1*z3*z4)/
    (s12*s123*s23*s34*z12*z123) - (2*s1234*s24^3*z1*z3*z4)/
    (s12*s123*s23*s34*z12*z123) + (s1234*s34*z1*z3*z4)/(s123*s124*z12*z123) + 
   (s1234*s14*s34*z1*z3*z4)/(s12*s123*s124*z12*z123) + 
   (s1234*s34*z1*z3*z4)/(s123*s23*z12*z123) - (s12*s1234*s34*z1*z3*z4)/
    (s123*s124*s23*z12*z123) - (s1234*s14*s34*z1*z3*z4)/
    (s123*s124*s23*z12*z123) + (s1234*s24*s34*z1*z3*z4)/
    (s12*s123*s124*z12*z123) - (3*s1234*s24*s34*z1*z3*z4)/
    (s123*s124*s23*z12*z123) - (2*s1234*s14*s24*s34*z1*z3*z4)/
    (s12*s123*s124*s23*z12*z123) - (2*s1234*s24^2*s34*z1*z3*z4)/
    (s12*s123*s124*s23*z12*z123) - (2*s1234*z2*z3*z4)/(s123*z12*z123) - 
   (s12*s1234*z2*z3*z4)/(s123*s13*z12*z123) + (s12^2*s1234*z2*z3*z4)/
    (s123*s124*s13*z12*z123) - (s1234*s13*z2*z3*z4)/(s12*s123*z12*z123) - 
   (s1234*s13*z2*z3*z4)/(s123*s124*z12*z123) + (s1234*s14*z2*z3*z4)/
    (s12*s123*z12*z123) + (s1234*s14*z2*z3*z4)/(s123*s124*z12*z123) + 
   (s1234*s14*z2*z3*z4)/(s123*s13*z12*z123) + (4*s12*s1234*s14*z2*z3*z4)/
    (s123*s124*s13*z12*z123) - (s1234*s13*s14*z2*z3*z4)/
    (s12*s123*s124*z12*z123) + (s1234*s14^2*z2*z3*z4)/
    (s12*s123*s124*z12*z123) + (2*s1234*s14^2*z2*z3*z4)/
    (s12*s123*s13*z12*z123) + (5*s1234*s14^2*z2*z3*z4)/
    (s123*s124*s13*z12*z123) + (2*s1234*s14^3*z2*z3*z4)/
    (s12*s123*s124*s13*z12*z123) - (s1234*s23*z2*z3*z4)/(s12*s123*z12*z123) - 
   (s1234*s23*z2*z3*z4)/(s123*s124*z12*z123) - (s1234*s23*z2*z3*z4)/
    (s123*s13*z12*z123) + (s12*s1234*s23*z2*z3*z4)/(s123*s124*s13*z12*z123) - 
   (s1234*s14*s23*z2*z3*z4)/(s12*s123*s124*z12*z123) + 
   (2*s1234*s14*s23*z2*z3*z4)/(s12*s123*s13*z12*z123) + 
   (3*s1234*s14*s23*z2*z3*z4)/(s123*s124*s13*z12*z123) + 
   (2*s1234*s14^2*s23*z2*z3*z4)/(s12*s123*s124*s13*z12*z123) - 
   (s1234*s24*z2*z3*z4)/(s12*s123*z12*z123) - (s1234*s24*z2*z3*z4)/
    (s123*s124*z12*z123) - (s1234*s24*z2*z3*z4)/(s123*s13*z12*z123) + 
   (2*s12*s1234*s24*z2*z3*z4)/(s123*s124*s13*z12*z123) - 
   (s1234*s13*s24*z2*z3*z4)/(s12*s123*s124*z12*z123) + 
   (2*s1234*s14*s24*z2*z3*z4)/(s12*s123*s13*z12*z123) + 
   (6*s1234*s14*s24*z2*z3*z4)/(s123*s124*s13*z12*z123) + 
   (4*s1234*s14^2*s24*z2*z3*z4)/(s12*s123*s124*s13*z12*z123) - 
   (s1234*s23*s24*z2*z3*z4)/(s12*s123*s124*z12*z123) + 
   (s1234*s23*s24*z2*z3*z4)/(s123*s124*s13*z12*z123) + 
   (2*s1234*s14*s23*s24*z2*z3*z4)/(s12*s123*s124*s13*z12*z123) - 
   (s1234*s24^2*z2*z3*z4)/(s12*s123*s124*z12*z123) + 
   (s1234*s24^2*z2*z3*z4)/(s123*s124*s13*z12*z123) + 
   (2*s1234*s14*s24^2*z2*z3*z4)/(s12*s123*s124*s13*z12*z123) - 
   (s12*s1234*z2*z3*z4)/(s123*s34*z12*z123) - (2*s1234*s13*z2*z3*z4)/
    (s123*s34*z12*z123) - (s1234*s13^2*z2*z3*z4)/(s12*s123*s34*z12*z123) + 
   (2*s1234*s14*z2*z3*z4)/(s123*s34*z12*z123) + (2*s12*s1234*s14*z2*z3*z4)/
    (s123*s13*s34*z12*z123) + (3*s1234*s14^2*z2*z3*z4)/
    (s12*s123*s34*z12*z123) + (4*s1234*s14^2*z2*z3*z4)/
    (s123*s13*s34*z12*z123) + (2*s1234*s14^3*z2*z3*z4)/
    (s12*s123*s13*s34*z12*z123) - (2*s1234*s23*z2*z3*z4)/
    (s123*s34*z12*z123) - (2*s1234*s13*s23*z2*z3*z4)/
    (s12*s123*s34*z12*z123) + (2*s1234*s14*s23*z2*z3*z4)/
    (s12*s123*s34*z12*z123) + (4*s1234*s14*s23*z2*z3*z4)/
    (s123*s13*s34*z12*z123) + (4*s1234*s14^2*s23*z2*z3*z4)/
    (s12*s123*s13*s34*z12*z123) - (s1234*s23^2*z2*z3*z4)/
    (s12*s123*s34*z12*z123) + (2*s1234*s14*s23^2*z2*z3*z4)/
    (s12*s123*s13*s34*z12*z123) - (2*s1234*s24*z2*z3*z4)/
    (s123*s34*z12*z123) - (2*s1234*s13*s24*z2*z3*z4)/
    (s12*s123*s34*z12*z123) + (2*s1234*s14*s24*z2*z3*z4)/
    (s12*s123*s34*z12*z123) + (4*s1234*s14*s24*z2*z3*z4)/
    (s123*s13*s34*z12*z123) + (4*s1234*s14^2*s24*z2*z3*z4)/
    (s12*s123*s13*s34*z12*z123) - (2*s1234*s23*s24*z2*z3*z4)/
    (s12*s123*s34*z12*z123) + (4*s1234*s14*s23*s24*z2*z3*z4)/
    (s12*s123*s13*s34*z12*z123) - (s1234*s24^2*z2*z3*z4)/
    (s12*s123*s34*z12*z123) + (2*s1234*s14*s24^2*z2*z3*z4)/
    (s12*s123*s13*s34*z12*z123) - (s1234*s34*z2*z3*z4)/(s123*s124*z12*z123) - 
   (s1234*s34*z2*z3*z4)/(s123*s13*z12*z123) + (s12*s1234*s34*z2*z3*z4)/
    (s123*s124*s13*z12*z123) - (s1234*s14*s34*z2*z3*z4)/
    (s12*s123*s124*z12*z123) + (3*s1234*s14*s34*z2*z3*z4)/
    (s123*s124*s13*z12*z123) + (2*s1234*s14^2*s34*z2*z3*z4)/
    (s12*s123*s124*s13*z12*z123) - (s1234*s24*s34*z2*z3*z4)/
    (s12*s123*s124*z12*z123) + (s1234*s24*s34*z2*z3*z4)/
    (s123*s124*s13*z12*z123) + (2*s1234*s14*s24*s34*z2*z3*z4)/
    (s12*s123*s124*s13*z12*z123) + (s12*s1234*z4^2)/(s123*s13*z12) + 
   (s12^2*s1234*z4^2)/(s123*s124*s13*z12) + (2*s1234*s14*z4^2)/
    (s123*s13*z12) + (3*s12*s1234*s14*z4^2)/(s123*s124*s13*z12) + 
   (2*s1234*s14^2*z4^2)/(s123*s124*s13*z12) - 
   (s12*s1234*z4^2)/(s123*s23*z12) - (s12^2*s1234*z4^2)/(s123*s124*s23*z12) - 
   (s1234*s13*z4^2)/(s123*s23*z12) - (s12*s1234*s13*z4^2)/
    (s123*s124*s23*z12) - (2*s1234*s14*z4^2)/(s123*s23*z12) - 
   (s12*s1234*s14*z4^2)/(s123*s124*s23*z12) - (s1234*s13*s14*z4^2)/
    (s123*s124*s23*z12) + (s1234*s23*z4^2)/(s123*s13*z12) + 
   (s12*s1234*s23*z4^2)/(s123*s124*s13*z12) + (s1234*s14*s23*z4^2)/
    (s123*s124*s13*z12) + (2*s1234*s24*z4^2)/(s123*s13*z12) + 
   (s12*s1234*s24*z4^2)/(s123*s124*s13*z12) + (2*s1234*s14*s24*z4^2)/
    (s123*s124*s13*z12) - (2*s1234*s24*z4^2)/(s123*s23*z12) - 
   (3*s12*s1234*s24*z4^2)/(s123*s124*s23*z12) - 
   (s1234*s13*s24*z4^2)/(s123*s124*s23*z12) - (2*s1234*s14*s24*z4^2)/
    (s123*s124*s23*z12) + (s1234*s23*s24*z4^2)/(s123*s124*s13*z12) - 
   (2*s1234*s24^2*z4^2)/(s123*s124*s23*z12) + (2*s1234*s14*z4^2)/
    (s123*s34*z12) + (2*s12*s1234*s14*z4^2)/(s123*s13*s34*z12) + 
   (2*s1234*s14^2*z4^2)/(s123*s13*s34*z12) + (2*s1234*s14*s23*z4^2)/
    (s123*s13*s34*z12) - (2*s1234*s24*z4^2)/(s123*s34*z12) + 
   (2*s1234*s14*s24*z4^2)/(s123*s13*s34*z12) - (2*s12*s1234*s24*z4^2)/
    (s123*s23*s34*z12) - (2*s1234*s13*s24*z4^2)/(s123*s23*s34*z12) - 
   (2*s1234*s14*s24*z4^2)/(s123*s23*s34*z12) - (2*s1234*s24^2*z4^2)/
    (s123*s23*s34*z12) + (2*s12*s1234*s34*z4^2)/(s123*s124*s13*z12) + 
   (2*s1234*s14*s34*z4^2)/(s123*s124*s13*z12) - (2*s12*s1234*s34*z4^2)/
    (s123*s124*s23*z12) - (2*s1234*s14*s34*z4^2)/(s123*s124*s23*z12) + 
   (2*s1234*s24*s34*z4^2)/(s123*s124*s13*z12) - (2*s1234*s24*s34*z4^2)/
    (s123*s124*s23*z12) - (2*s12*s1234*z4^2)/(s123*s13*z123) + 
   (2*s12^2*s1234*z4^2)/(s123*s124*s13*z123) - 
   (2*s1234*s13*z4^2)/(s12*s123*z123) + (2*s1234*s14*z4^2)/(s123*s124*z123) + 
   (4*s12*s1234*s14*z4^2)/(s123*s124*s13*z123) + 
   (2*s1234*s14^2*z4^2)/(s123*s124*s13*z123) + 
   (2*s12*s1234*z4^2)/(s123*s23*z123) - (2*s12^2*s1234*z4^2)/
    (s123*s124*s23*z123) + (2*s1234*s13*z4^2)/(s123*s23*z123) - 
   (2*s12*s1234*s13*z4^2)/(s123*s124*s23*z123) + 
   (2*s1234*s14*z4^2)/(s123*s23*z123) - (2*s12*s1234*s14*z4^2)/
    (s123*s124*s23*z123) + (2*s1234*s23*z4^2)/(s12*s123*z123) - 
   (2*s1234*s23*z4^2)/(s123*s13*z123) + (2*s12*s1234*s23*z4^2)/
    (s123*s124*s13*z123) + (2*s1234*s14*s23*z4^2)/(s12*s123*s124*z123) + 
   (2*s1234*s14*s23*z4^2)/(s12*s123*s13*z123) + (4*s1234*s14*s23*z4^2)/
    (s123*s124*s13*z123) + (2*s1234*s14^2*s23*z4^2)/
    (s12*s123*s124*s13*z123) + (2*s1234*s14*s23^2*z4^2)/
    (s12*s123*s124*s13*z123) - (2*s1234*s24*z4^2)/(s123*s124*z123) - 
   (2*s1234*s24*z4^2)/(s123*s13*z123) + (2*s12*s1234*s24*z4^2)/
    (s123*s124*s13*z123) - (2*s1234*s13*s24*z4^2)/(s12*s123*s124*z123) + 
   (2*s1234*s14*s24*z4^2)/(s123*s124*s13*z123) - 
   (4*s12*s1234*s24*z4^2)/(s123*s124*s23*z123) - 
   (2*s1234*s13*s24*z4^2)/(s12*s123*s23*z123) - (4*s1234*s13*s24*z4^2)/
    (s123*s124*s23*z123) - (2*s1234*s13^2*s24*z4^2)/
    (s12*s123*s124*s23*z123) - (2*s1234*s14*s24*z4^2)/(s123*s124*s23*z123) - 
   (2*s1234*s13*s14*s24*z4^2)/(s12*s123*s124*s23*z123) + 
   (2*s1234*s14*s23*s24*z4^2)/(s12*s123*s124*s13*z123) - 
   (2*s1234*s24^2*z4^2)/(s123*s124*s23*z123) - (2*s1234*s13*s24^2*z4^2)/
    (s12*s123*s124*s23*z123) - (2*s1234*s13*z4^2)/(s123*s34*z123) - 
   (2*s1234*s13^2*z4^2)/(s12*s123*s34*z123) + (2*s1234*s14*z4^2)/
    (s123*s34*z123) + (2*s12*s1234*s14*z4^2)/(s123*s13*s34*z123) - 
   (2*s1234*s13*s14*z4^2)/(s12*s123*s34*z123) + 
   (2*s1234*s14^2*z4^2)/(s123*s13*s34*z123) + (2*s1234*s23*z4^2)/
    (s123*s34*z123) + (4*s1234*s14*s23*z4^2)/(s12*s123*s34*z123) + 
   (4*s1234*s14*s23*z4^2)/(s123*s13*s34*z123) + (2*s1234*s14^2*s23*z4^2)/
    (s12*s123*s13*s34*z123) + (2*s1234*s23^2*z4^2)/(s12*s123*s34*z123) + 
   (2*s1234*s14*s23^2*z4^2)/(s12*s123*s13*s34*z123) - 
   (2*s1234*s24*z4^2)/(s123*s34*z123) - (4*s1234*s13*s24*z4^2)/
    (s12*s123*s34*z123) + (2*s1234*s14*s24*z4^2)/(s123*s13*s34*z123) - 
   (2*s12*s1234*s24*z4^2)/(s123*s23*s34*z123) - (4*s1234*s13*s24*z4^2)/
    (s123*s23*s34*z123) - (2*s1234*s13^2*s24*z4^2)/(s12*s123*s23*s34*z123) - 
   (2*s1234*s14*s24*z4^2)/(s123*s23*s34*z123) - (2*s1234*s13*s14*s24*z4^2)/
    (s12*s123*s23*s34*z123) + (2*s1234*s23*s24*z4^2)/(s12*s123*s34*z123) + 
   (2*s1234*s14*s23*s24*z4^2)/(s12*s123*s13*s34*z123) - 
   (2*s1234*s24^2*z4^2)/(s123*s23*s34*z123) - (2*s1234*s13*s24^2*z4^2)/
    (s12*s123*s23*s34*z123) - (2*s1234*s34*z4^2)/(s123*s13*z123) + 
   (2*s1234*s34*z4^2)/(s123*s23*z123) + (2*s1234*s13*s34*z4^2)/
    (s123*s124*s23*z123) + (2*s1234*s14*s34*z4^2)/(s123*s124*s23*z123) - 
   (2*s1234*s23*s34*z4^2)/(s123*s124*s13*z123) + (2*s1234*s14*s23*s34*z4^2)/
    (s12*s123*s124*s13*z123) - (2*s1234*s24*s34*z4^2)/(s123*s124*s13*z123) - 
   (2*s1234*s13*s24*s34*z4^2)/(s12*s123*s124*s23*z123) - 
   (2*s1234*s34^2*z4^2)/(s123*s124*s13*z123) + (2*s1234*s34^2*z4^2)/
    (s123*s124*s23*z123) + (2*s1234*z1*z4^2)/(s123*z12*z123) + 
   (2*s12*s1234*z1*z4^2)/(s123*s124*z12*z123) + (2*s1234*s13*z1*z4^2)/
    (s12*s123*z12*z123) + (2*s1234*s13*z1*z4^2)/(s123*s124*z12*z123) + 
   (2*s1234*s14*z1*z4^2)/(s12*s123*z12*z123) + (4*s1234*s14*z1*z4^2)/
    (s123*s124*z12*z123) + (2*s1234*s13*s14*z1*z4^2)/
    (s12*s123*s124*z12*z123) + (2*s1234*s14^2*z1*z4^2)/
    (s12*s123*s124*z12*z123) + (2*s1234*s23*z1*z4^2)/(s12*s123*z12*z123) + 
   (2*s1234*s23*z1*z4^2)/(s123*s124*z12*z123) + (2*s1234*s14*s23*z1*z4^2)/
    (s12*s123*s124*z12*z123) + (2*s1234*s24*z1*z4^2)/(s12*s123*z12*z123) + 
   (4*s1234*s24*z1*z4^2)/(s123*s124*z12*z123) + (2*s1234*s13*s24*z1*z4^2)/
    (s12*s123*s124*z12*z123) + (4*s1234*s14*s24*z1*z4^2)/
    (s12*s123*s124*z12*z123) + (2*s1234*s23*s24*z1*z4^2)/
    (s12*s123*s124*z12*z123) + (2*s1234*s24^2*z1*z4^2)/
    (s12*s123*s124*z12*z123) + (2*s12*s1234*z1*z4^2)/(s123*s34*z12*z123) + 
   (4*s1234*s13*z1*z4^2)/(s123*s34*z12*z123) + (2*s1234*s13^2*z1*z4^2)/
    (s12*s123*s34*z12*z123) + (4*s1234*s14*z1*z4^2)/(s123*s34*z12*z123) + 
   (4*s1234*s13*s14*z1*z4^2)/(s12*s123*s34*z12*z123) + 
   (2*s1234*s14^2*z1*z4^2)/(s12*s123*s34*z12*z123) + 
   (4*s1234*s23*z1*z4^2)/(s123*s34*z12*z123) + (4*s1234*s13*s23*z1*z4^2)/
    (s12*s123*s34*z12*z123) + (4*s1234*s14*s23*z1*z4^2)/
    (s12*s123*s34*z12*z123) + (2*s1234*s23^2*z1*z4^2)/
    (s12*s123*s34*z12*z123) + (4*s1234*s24*z1*z4^2)/(s123*s34*z12*z123) + 
   (4*s1234*s13*s24*z1*z4^2)/(s12*s123*s34*z12*z123) + 
   (4*s1234*s14*s24*z1*z4^2)/(s12*s123*s34*z12*z123) + 
   (4*s1234*s23*s24*z1*z4^2)/(s12*s123*s34*z12*z123) + 
   (2*s1234*s24^2*z1*z4^2)/(s12*s123*s34*z12*z123) + 
   (2*s1234*s34*z1*z4^2)/(s123*s124*z12*z123) + (2*s1234*s14*s34*z1*z4^2)/
    (s12*s123*s124*z12*z123) + (2*s1234*s24*s34*z1*z4^2)/
    (s12*s123*s124*z12*z123) - (2*s1234*z2*z4^2)/(s123*z12*z123) - 
   (2*s12*s1234*z2*z4^2)/(s123*s124*z12*z123) - (2*s1234*s13*z2*z4^2)/
    (s12*s123*z12*z123) - (2*s1234*s13*z2*z4^2)/(s123*s124*z12*z123) - 
   (2*s1234*s14*z2*z4^2)/(s12*s123*z12*z123) - (4*s1234*s14*z2*z4^2)/
    (s123*s124*z12*z123) - (2*s1234*s13*s14*z2*z4^2)/
    (s12*s123*s124*z12*z123) - (2*s1234*s14^2*z2*z4^2)/
    (s12*s123*s124*z12*z123) - (2*s1234*s23*z2*z4^2)/(s12*s123*z12*z123) - 
   (2*s1234*s23*z2*z4^2)/(s123*s124*z12*z123) - (2*s1234*s14*s23*z2*z4^2)/
    (s12*s123*s124*z12*z123) - (2*s1234*s24*z2*z4^2)/(s12*s123*z12*z123) - 
   (4*s1234*s24*z2*z4^2)/(s123*s124*z12*z123) - (2*s1234*s13*s24*z2*z4^2)/
    (s12*s123*s124*z12*z123) - (4*s1234*s14*s24*z2*z4^2)/
    (s12*s123*s124*z12*z123) - (2*s1234*s23*s24*z2*z4^2)/
    (s12*s123*s124*z12*z123) - (2*s1234*s24^2*z2*z4^2)/
    (s12*s123*s124*z12*z123) - (2*s12*s1234*z2*z4^2)/(s123*s34*z12*z123) - 
   (4*s1234*s13*z2*z4^2)/(s123*s34*z12*z123) - (2*s1234*s13^2*z2*z4^2)/
    (s12*s123*s34*z12*z123) - (4*s1234*s14*z2*z4^2)/(s123*s34*z12*z123) - 
   (4*s1234*s13*s14*z2*z4^2)/(s12*s123*s34*z12*z123) - 
   (2*s1234*s14^2*z2*z4^2)/(s12*s123*s34*z12*z123) - 
   (4*s1234*s23*z2*z4^2)/(s123*s34*z12*z123) - (4*s1234*s13*s23*z2*z4^2)/
    (s12*s123*s34*z12*z123) - (4*s1234*s14*s23*z2*z4^2)/
    (s12*s123*s34*z12*z123) - (2*s1234*s23^2*z2*z4^2)/
    (s12*s123*s34*z12*z123) - (4*s1234*s24*z2*z4^2)/(s123*s34*z12*z123) - 
   (4*s1234*s13*s24*z2*z4^2)/(s12*s123*s34*z12*z123) - 
   (4*s1234*s14*s24*z2*z4^2)/(s12*s123*s34*z12*z123) - 
   (4*s1234*s23*s24*z2*z4^2)/(s12*s123*s34*z12*z123) - 
   (2*s1234*s24^2*z2*z4^2)/(s12*s123*s34*z12*z123) - 
   (2*s1234*s34*z2*z4^2)/(s123*s124*z12*z123) - (2*s1234*s14*s34*z2*z4^2)/
    (s12*s123*s124*z12*z123) - (2*s1234*s24*s34*z2*z4^2)/
    (s12*s123*s124*z12*z123) - (s1234*s13*z4^2)/(s12*s123*z3) + 
   (s1234*s13*z4^2)/(s123*s124*z3) - (2*s1234*s14*z4^2)/(s12*s123*z3) - 
   (s1234*s13*s14*z4^2)/(s12*s123*s124*z3) + (s1234*s23*z4^2)/(s12*s123*z3) - 
   (s1234*s23*z4^2)/(s123*s124*z3) - (3*s1234*s14*s23*z4^2)/
    (s12*s123*s124*z3) + (2*s1234*s24*z4^2)/(s12*s123*z3) + 
   (3*s1234*s13*s24*z4^2)/(s12*s123*s124*z3) + (s1234*s23*s24*z4^2)/
    (s12*s123*s124*z3) - (2*s1234*s14*s34*z4^2)/(s12*s123*s124*z3) + 
   (2*s1234*s24*s34*z4^2)/(s12*s123*s124*z3) - 
   (s1234*z1*z4^2)/(s123*z12*z3) - (s12*s1234*z1*z4^2)/(s123*s124*z12*z3) - 
   (2*s12*s1234*z1*z4^2)/(s123*s13*z12*z3) - (s1234*s14*z1*z4^2)/
    (s123*s124*z12*z3) - (2*s1234*s14*z1*z4^2)/(s123*s13*z12*z3) - 
   (s1234*s23*z1*z4^2)/(s12*s123*z12*z3) - (s1234*s23*z1*z4^2)/
    (s123*s124*z12*z3) - (3*s1234*s23*z1*z4^2)/(s123*s13*z12*z3) - 
   (s12*s1234*s23*z1*z4^2)/(s123*s124*s13*z12*z3) - 
   (s1234*s14*s23*z1*z4^2)/(s12*s123*s124*z12*z3) - 
   (2*s1234*s14*s23*z1*z4^2)/(s12*s123*s13*z12*z3) - 
   (s1234*s14*s23*z1*z4^2)/(s123*s124*s13*z12*z3) - 
   (s1234*s23^2*z1*z4^2)/(s12*s123*s13*z12*z3) - 
   (s1234*s23^2*z1*z4^2)/(s123*s124*s13*z12*z3) - 
   (s1234*s14*s23^2*z1*z4^2)/(s12*s123*s124*s13*z12*z3) - 
   (s1234*s24*z1*z4^2)/(s123*s124*z12*z3) - (2*s1234*s24*z1*z4^2)/
    (s123*s13*z12*z3) - (s1234*s23*s24*z1*z4^2)/(s12*s123*s124*z12*z3) - 
   (2*s1234*s23*s24*z1*z4^2)/(s12*s123*s13*z12*z3) - 
   (s1234*s23*s24*z1*z4^2)/(s123*s124*s13*z12*z3) - 
   (s1234*s23^2*s24*z1*z4^2)/(s12*s123*s124*s13*z12*z3) - 
   (2*s12*s1234*s34*z1*z4^2)/(s123*s124*s13*z12*z3) - 
   (2*s1234*s14*s34*z1*z4^2)/(s123*s124*s13*z12*z3) - 
   (2*s1234*s23*s34*z1*z4^2)/(s123*s124*s13*z12*z3) - 
   (2*s1234*s14*s23*s34*z1*z4^2)/(s12*s123*s124*s13*z12*z3) - 
   (2*s1234*s24*s34*z1*z4^2)/(s123*s124*s13*z12*z3) - 
   (2*s1234*s23*s24*s34*z1*z4^2)/(s12*s123*s124*s13*z12*z3) - 
   (2*s1234*z1*z4^2)/(s123*z123*z3) - (2*s12*s1234*z1*z4^2)/
    (s123*s124*z123*z3) - (2*s12*s1234*z1*z4^2)/(s123*s13*z123*z3) - 
   (2*s1234*s13*z1*z4^2)/(s123*s124*z123*z3) - (2*s1234*s14*z1*z4^2)/
    (s123*s124*z123*z3) - (2*s1234*s14*z1*z4^2)/(s123*s13*z123*z3) - 
   (4*s1234*s23*z1*z4^2)/(s123*s124*z123*z3) - (2*s1234*s23*z1*z4^2)/
    (s123*s13*z123*z3) - (2*s12*s1234*s23*z1*z4^2)/(s123*s124*s13*z123*z3) - 
   (2*s1234*s14*s23*z1*z4^2)/(s123*s124*s13*z123*z3) - 
   (2*s1234*s23^2*z1*z4^2)/(s123*s124*s13*z123*z3) - 
   (2*s1234*s24*z1*z4^2)/(s123*s124*z123*z3) - (2*s1234*s24*z1*z4^2)/
    (s123*s13*z123*z3) - (2*s1234*s23*s24*z1*z4^2)/(s123*s124*s13*z123*z3) - 
   (4*s1234*s34*z1*z4^2)/(s123*s124*z123*z3) - (2*s1234*s34*z1*z4^2)/
    (s123*s13*z123*z3) - (2*s12*s1234*s34*z1*z4^2)/(s123*s124*s13*z123*z3) - 
   (2*s1234*s14*s34*z1*z4^2)/(s123*s124*s13*z123*z3) - 
   (4*s1234*s23*s34*z1*z4^2)/(s123*s124*s13*z123*z3) - 
   (2*s1234*s24*s34*z1*z4^2)/(s123*s124*s13*z123*z3) - 
   (2*s1234*s34^2*z1*z4^2)/(s123*s124*s13*z123*z3) + 
   (s1234*z2*z4^2)/(s123*z12*z3) + (s12*s1234*z2*z4^2)/(s123*s124*z12*z3) + 
   (s1234*s13*z2*z4^2)/(s12*s123*z12*z3) + (s1234*s13*z2*z4^2)/
    (s123*s124*z12*z3) + (s1234*s14*z2*z4^2)/(s123*s124*z12*z3) + 
   (s1234*s13*s14*z2*z4^2)/(s12*s123*s124*z12*z3) + 
   (2*s12*s1234*z2*z4^2)/(s123*s23*z12*z3) + (3*s1234*s13*z2*z4^2)/
    (s123*s23*z12*z3) + (s12*s1234*s13*z2*z4^2)/(s123*s124*s23*z12*z3) + 
   (s1234*s13^2*z2*z4^2)/(s12*s123*s23*z12*z3) + 
   (s1234*s13^2*z2*z4^2)/(s123*s124*s23*z12*z3) + 
   (2*s1234*s14*z2*z4^2)/(s123*s23*z12*z3) + (2*s1234*s13*s14*z2*z4^2)/
    (s12*s123*s23*z12*z3) + (s1234*s13*s14*z2*z4^2)/(s123*s124*s23*z12*z3) + 
   (s1234*s13^2*s14*z2*z4^2)/(s12*s123*s124*s23*z12*z3) + 
   (s1234*s24*z2*z4^2)/(s123*s124*z12*z3) + (s1234*s13*s24*z2*z4^2)/
    (s12*s123*s124*z12*z3) + (2*s1234*s24*z2*z4^2)/(s123*s23*z12*z3) + 
   (2*s1234*s13*s24*z2*z4^2)/(s12*s123*s23*z12*z3) + 
   (s1234*s13*s24*z2*z4^2)/(s123*s124*s23*z12*z3) + 
   (s1234*s13^2*s24*z2*z4^2)/(s12*s123*s124*s23*z12*z3) + 
   (2*s12*s1234*s34*z2*z4^2)/(s123*s124*s23*z12*z3) + 
   (2*s1234*s13*s34*z2*z4^2)/(s123*s124*s23*z12*z3) + 
   (2*s1234*s14*s34*z2*z4^2)/(s123*s124*s23*z12*z3) + 
   (2*s1234*s13*s14*s34*z2*z4^2)/(s12*s123*s124*s23*z12*z3) + 
   (2*s1234*s24*s34*z2*z4^2)/(s123*s124*s23*z12*z3) + 
   (2*s1234*s13*s24*s34*z2*z4^2)/(s12*s123*s124*s23*z12*z3) + 
   (2*s1234*z2*z4^2)/(s123*z123*z3) + (2*s12*s1234*z2*z4^2)/
    (s123*s124*z123*z3) + (4*s1234*s13*z2*z4^2)/(s123*s124*z123*z3) + 
   (2*s1234*s14*z2*z4^2)/(s123*s124*z123*z3) + (2*s12*s1234*z2*z4^2)/
    (s123*s23*z123*z3) + (2*s1234*s13*z2*z4^2)/(s123*s23*z123*z3) + 
   (2*s12*s1234*s13*z2*z4^2)/(s123*s124*s23*z123*z3) + 
   (2*s1234*s13^2*z2*z4^2)/(s123*s124*s23*z123*z3) + 
   (2*s1234*s14*z2*z4^2)/(s123*s23*z123*z3) + (2*s1234*s13*s14*z2*z4^2)/
    (s123*s124*s23*z123*z3) + (2*s1234*s23*z2*z4^2)/(s123*s124*z123*z3) + 
   (2*s1234*s24*z2*z4^2)/(s123*s124*z123*z3) + (2*s1234*s24*z2*z4^2)/
    (s123*s23*z123*z3) + (2*s1234*s13*s24*z2*z4^2)/(s123*s124*s23*z123*z3) + 
   (4*s1234*s34*z2*z4^2)/(s123*s124*z123*z3) + (2*s1234*s34*z2*z4^2)/
    (s123*s23*z123*z3) + (2*s12*s1234*s34*z2*z4^2)/(s123*s124*s23*z123*z3) + 
   (4*s1234*s13*s34*z2*z4^2)/(s123*s124*s23*z123*z3) + 
   (2*s1234*s14*s34*z2*z4^2)/(s123*s124*s23*z123*z3) + 
   (2*s1234*s24*s34*z2*z4^2)/(s123*s124*s23*z123*z3) + 
   (2*s1234*s34^2*z2*z4^2)/(s123*s124*s23*z123*z3))
