(* Created with the Wolfram Language for Students - Personal Use Only : www.wolfram.com *)
gg*(4 + s12/s123 + s12/s124 + (2*s13)/s12 + s13/(2*s123) + (3*s13)/(2*s124) - 
   s13^2/(2*s12*s123) + s13^2/(2*s12*s124) + (2*s12)/s134 + 
   s12^2/(s123*s134) - s12^2/(2*s124*s134) + s13/(2*s134) - 
   (s12*s13)/(2*s124*s134) - s13^2/(s123*s134) + (2*s14)/s12 + 
   (3*s14)/(2*s123) + s14/(2*s124) - (s13*s14)/(s12*s123) - 
   (s13*s14)/(s12*s124) - (2*s13*s14)/(s123*s124) + 
   (D*s13*s14)/(2*s123*s124) - (2*s13^2*s14)/(s12*s123*s124) + 
   (D*s13^2*s14)/(2*s12*s123*s124) + s14/(2*s134) + (s12*s14)/(s123*s134) - 
   (3*s13*s14)/(s123*s134) + (3*s13*s14)/(2*s124*s134) + s14^2/(2*s12*s123) - 
   s14^2/(2*s12*s124) - (2*s13*s14^2)/(s12*s123*s124) + 
   (D*s13*s14^2)/(2*s12*s123*s124) + s14^2/(2*s124*s134) + (2*s23)/s12 + 
   s23/(2*s123) + (3*s23)/(2*s124) - (2*s13*s23)/s12^2 - 
   (3*s13*s23)/(s12*s123) + (s13*s23)/(s12*s124) - 
   (2*s13^2*s23)/(s12^2*s123) + (3*s23)/(2*s134) + (s12*s23)/(s123*s134) - 
   (s12*s23)/(s124*s134) - (s13*s23)/(s12*s134) - (3*s13*s23)/(s123*s134) - 
   (s13*s23)/(2*s124*s134) - (2*s13^2*s23)/(s12*s123*s134) - 
   (2*s14*s23)/s12^2 - (2*s14*s23)/(s12*s123) - (2*s14*s23)/(s12*s124) - 
   (3*s14*s23)/(s123*s124) + (D*s14*s23)/(2*s123*s124) - 
   (7*s13*s14*s23)/(2*s12^2*s123) - (s13*s14*s23)/(2*s12^2*s124) - 
   (9*s13*s14*s23)/(2*s12*s123*s124) + (D*s13*s14*s23)/(s12*s123*s124) + 
   (s13^2*s14*s23)/(2*s12^2*s123*s124) - (s14*s23)/(s12*s134) - 
   (2*s14*s23)/(s123*s134) + (s14*s23)/(s124*s134) - 
   (4*s13*s14*s23)/(s12*s123*s134) + (s13*s14*s23)/(2*s12*s124*s134) - 
   (3*s14^2*s23)/(2*s12^2*s123) - (s14^2*s23)/(2*s12^2*s124) - 
   (7*s14^2*s23)/(2*s12*s123*s124) + (D*s14^2*s23)/(2*s12*s123*s124) - 
   (s14^2*s23)/(s12*s123*s134) - (s14^3*s23)/(2*s12^2*s123*s124) - 
   s23^2/(2*s12*s123) + s23^2/(2*s12*s124) - (2*s13*s23^2)/(s12^2*s123) - 
   s23^2/(2*s124*s134) - (2*s13*s23^2)/(s12*s123*s134) - 
   (s14*s23^2)/(2*s12^2*s123) - (3*s14*s23^2)/(2*s12^2*s124) - 
   (7*s14*s23^2)/(2*s12*s123*s124) + (D*s14*s23^2)/(2*s12*s123*s124) - 
   (s14*s23^2)/(s12*s123*s134) + (s14*s23^2)/(s12*s124*s134) - 
   (s14^2*s23^2)/(s12^2*s123*s124) - (s14*s23^3)/(2*s12^2*s123*s124) + 
   (2*s12)/s234 - s12^2/(2*s123*s234) + s12^2/(s124*s234) + 
   (3*s13)/(2*s234) - (s12*s13)/(2*s123*s234) + (2*s12*s13)/(s124*s234) + 
   s13^2/(s124*s234) + (4*s12^2)/(s134*s234) - (D*s12^2)/(2*s134*s234) + 
   (7*s12*s13)/(2*s134*s234) - (D*s12*s13)/(2*s134*s234) + (3*s14)/(2*s234) - 
   (s12*s14)/(s123*s234) + (s12*s14)/(s124*s234) - (s13*s14)/(2*s123*s234) + 
   (s13*s14)/(s124*s234) + (7*s12*s14)/(2*s134*s234) - 
   (D*s12*s14)/(2*s134*s234) - s14^2/(2*s123*s234) + s23/(2*s234) + 
   (s12*s23)/(s124*s234) - (s13*s23)/(s12*s234) + (3*s13*s23)/(2*s123*s234) + 
   (s13*s23)/(s124*s234) + (s13^2*s23)/(s12*s123*s234) + 
   (7*s12*s23)/(2*s134*s234) - (D*s12*s23)/(2*s134*s234) - 
   (2*s13*s23)/(s134*s234) + (D*s13*s23)/(2*s134*s234) - 
   (s14*s23)/(s12*s234) + (s14*s23)/(s123*s234) - (2*s14*s23)/(s124*s234) + 
   (3*s13*s14*s23)/(2*s12*s123*s234) - (3*s14*s23)/(s134*s234) + 
   (D*s14*s23)/(2*s134*s234) + (s14^2*s23)/(s12*s123*s234) - 
   (s14^2*s23)/(s12*s124*s234) + s23^2/(2*s123*s234) + 
   (s13*s23^2)/(s12*s123*s234) - (s14*s23^2)/(s12*s124*s234) + (2*s24)/s12 + 
   (3*s24)/(2*s123) + s24/(2*s124) - (2*s13*s24)/s12^2 - 
   (2*s13*s24)/(s12*s123) - (2*s13*s24)/(s12*s124) - 
   (3*s13*s24)/(s123*s124) + (D*s13*s24)/(2*s123*s124) - 
   (s13^2*s24)/(2*s12^2*s123) - (3*s13^2*s24)/(2*s12^2*s124) - 
   (7*s13^2*s24)/(2*s12*s123*s124) + (D*s13^2*s24)/(2*s12*s123*s124) - 
   (s13^3*s24)/(2*s12^2*s123*s124) + (3*s24)/(2*s134) + 
   (2*s12*s24)/(s123*s134) - (s12*s24)/(2*s124*s134) - (s13*s24)/(s12*s134) - 
   (2*s13*s24)/(s123*s134) + (s13*s24)/(s124*s134) + 
   (s13^2*s24)/(2*s12*s124*s134) - (2*s14*s24)/s12^2 + (s14*s24)/(s12*s123) - 
   (3*s14*s24)/(s12*s124) - (s13*s14*s24)/(2*s12^2*s123) - 
   (7*s13*s14*s24)/(2*s12^2*s124) - (9*s13*s14*s24)/(2*s12*s123*s124) + 
   (D*s13*s14*s24)/(s12*s123*s124) - (s14*s24)/(s12*s134) + 
   (s14*s24)/(s123*s134) + (3*s14*s24)/(2*s124*s134) - 
   (s13*s14*s24)/(s12*s123*s134) + (2*s13*s14*s24)/(s12*s124*s134) - 
   (2*s14^2*s24)/(s12^2*s124) + (s13*s14^2*s24)/(2*s12^2*s123*s124) + 
   (s14^2*s24)/(s12*s124*s134) - (s23*s24)/(s12*s123) - 
   (s23*s24)/(s12*s124) - (2*s23*s24)/(s123*s124) + 
   (D*s23*s24)/(2*s123*s124) - (7*s13*s23*s24)/(2*s12^2*s123) - 
   (s13*s23*s24)/(2*s12^2*s124) - (9*s13*s23*s24)/(2*s12*s123*s124) + 
   (D*s13*s23*s24)/(s12*s123*s124) + (s23*s24)/(s123*s134) - 
   (s23*s24)/(2*s124*s134) - (3*s13*s23*s24)/(s12*s123*s134) - 
   (s14*s23*s24)/(2*s12^2*s123) - (7*s14*s23*s24)/(2*s12^2*s124) - 
   (9*s14*s23*s24)/(2*s12*s123*s124) + (D*s14*s23*s24)/(s12*s123*s124) + 
   (2*s13*s14*s23*s24)/(s12^2*s123*s124) + (3*s14*s23*s24)/
    (2*s12*s124*s134) - (2*s23^2*s24)/(s12*s123*s124) + 
   (D*s23^2*s24)/(2*s12*s123*s124) + (s13*s23^2*s24)/(2*s12^2*s123*s124) + 
   s24/(2*s234) - (s12*s24)/(2*s123*s234) - (s13*s24)/(s12*s234) + 
   (s13*s24)/(s123*s234) - (2*s13*s24)/(s124*s234) + 
   (s13^2*s24)/(2*s12*s123*s234) - (2*s13^2*s24)/(s12*s124*s234) + 
   (7*s12*s24)/(2*s134*s234) - (D*s12*s24)/(2*s134*s234) - 
   (3*s13*s24)/(s134*s234) + (D*s13*s24)/(2*s134*s234) - 
   (s14*s24)/(s12*s234) - (s14*s24)/(2*s123*s234) - (3*s14*s24)/(s124*s234) - 
   (3*s13*s14*s24)/(s12*s124*s234) - (2*s14*s24)/(s134*s234) + 
   (D*s14*s24)/(2*s134*s234) - (2*s14^2*s24)/(s12*s124*s234) + 
   (3*s23*s24)/(2*s123*s234) - (3*s23*s24)/(s124*s234) + 
   (2*s13*s23*s24)/(s12*s123*s234) - (s13*s23*s24)/(s12*s124*s234) + 
   (s14*s23*s24)/(2*s12*s123*s234) - (4*s14*s23*s24)/(s12*s124*s234) + 
   s24^2/(2*s12*s123) - s24^2/(2*s12*s124) - (3*s13*s24^2)/(2*s12^2*s123) - 
   (s13*s24^2)/(2*s12^2*s124) - (7*s13*s24^2)/(2*s12*s123*s124) + 
   (D*s13*s24^2)/(2*s12*s123*s124) - (s13^2*s24^2)/(s12^2*s123*s124) + 
   s24^2/(s123*s134) - (2*s13*s24^2)/(s12*s123*s134) + 
   (s13*s24^2)/(2*s12*s124*s134) - (2*s14*s24^2)/(s12^2*s124) + 
   (s14*s24^2)/(s12*s124*s134) - (2*s23*s24^2)/(s12*s123*s124) + 
   (D*s23*s24^2)/(2*s12*s123*s124) + (s14*s23*s24^2)/(2*s12^2*s123*s124) - 
   s24^2/(s124*s234) + (s13*s24^2)/(2*s12*s123*s234) - 
   (2*s14*s24^2)/(s12*s124*s234) - (s13*s24^3)/(2*s12^2*s123*s124) - 
   (2*s13*s14)/s34^2 - (2*s13^2*s14)/(s12*s34^2) - 
   (2*s12*s13*s14)/(s134*s34^2) - (2*s13^2*s14)/(s134*s34^2) - 
   (2*s13*s14^2)/(s12*s34^2) - (2*s13*s14^2)/(s134*s34^2) - 
   (2*s14*s23)/s34^2 - (4*s13*s14*s23)/(s12*s34^2) - 
   (s12*s14*s23)/(s134*s34^2) - (7*s13*s14*s23)/(2*s134*s34^2) - 
   (s13^2*s14*s23)/(2*s12*s134*s34^2) - (2*s14^2*s23)/(s12*s34^2) - 
   (s14^2*s23)/(2*s134*s34^2) + (s14^3*s23)/(2*s12*s134*s34^2) - 
   (2*s14*s23^2)/(s12*s34^2) - (3*s14*s23^2)/(2*s134*s34^2) - 
   (s13*s14*s23^2)/(s12*s134*s34^2) - (s14*s23^3)/(2*s12*s134*s34^2) - 
   (s12*s14*s23)/(s234*s34^2) - (s13*s14*s23)/(2*s234*s34^2) + 
   (s13^2*s14*s23)/(2*s12*s234*s34^2) - (s12^2*s14*s23)/(s134*s234*s34^2) - 
   (s12*s13*s14*s23)/(2*s134*s234*s34^2) + (s13^2*s14*s23)/
    (2*s134*s234*s34^2) - (3*s14^2*s23)/(2*s234*s34^2) - 
   (3*s12*s14^2*s23)/(2*s134*s234*s34^2) - (s14^3*s23)/(2*s12*s234*s34^2) - 
   (s14^3*s23)/(2*s134*s234*s34^2) - (s14*s23^2)/(2*s234*s34^2) + 
   (s13*s14*s23^2)/(s12*s234*s34^2) - (3*s12*s14*s23^2)/(2*s134*s234*s34^2) - 
   (s14^2*s23^2)/(s134*s234*s34^2) + (s14*s23^3)/(2*s12*s234*s34^2) - 
   (s14*s23^3)/(2*s134*s234*s34^2) - (2*s13*s24)/s34^2 - 
   (2*s13^2*s24)/(s12*s34^2) - (s12*s13*s24)/(s134*s34^2) - 
   (s13^2*s24)/(2*s134*s34^2) + (s13^3*s24)/(2*s12*s134*s34^2) - 
   (4*s13*s14*s24)/(s12*s34^2) - (7*s13*s14*s24)/(2*s134*s34^2) - 
   (s13*s14^2*s24)/(2*s12*s134*s34^2) - (2*s23*s24)/s34^2 - 
   (4*s13*s23*s24)/(s12*s34^2) - (s13*s23*s24)/(2*s134*s34^2) + 
   (s13^2*s23*s24)/(s12*s134*s34^2) - (4*s14*s23*s24)/(s12*s34^2) - 
   (s14*s23*s24)/(2*s134*s34^2) + (s14^2*s23*s24)/(s12*s134*s34^2) - 
   (2*s23^2*s24)/(s12*s34^2) + (s13*s23^2*s24)/(2*s12*s134*s34^2) - 
   (s12*s13*s24)/(s234*s34^2) - (3*s13^2*s24)/(2*s234*s34^2) - 
   (s13^3*s24)/(2*s12*s234*s34^2) - (s12^2*s13*s24)/(s134*s234*s34^2) - 
   (3*s12*s13^2*s24)/(2*s134*s234*s34^2) - (s13^3*s24)/(2*s134*s234*s34^2) - 
   (s13*s14*s24)/(2*s234*s34^2) - (s12*s13*s14*s24)/(2*s134*s234*s34^2) + 
   (s13*s14^2*s24)/(2*s12*s234*s34^2) + (s13*s14^2*s24)/(2*s134*s234*s34^2) - 
   (2*s12*s23*s24)/(s234*s34^2) - (7*s13*s23*s24)/(2*s234*s34^2) - 
   (s13^2*s23*s24)/(s12*s234*s34^2) - (s12*s13*s23*s24)/(2*s134*s234*s34^2) - 
   (7*s14*s23*s24)/(2*s234*s34^2) - (s12*s14*s23*s24)/(2*s134*s234*s34^2) + 
   (2*s13*s14*s23*s24)/(s134*s234*s34^2) - (s14^2*s23*s24)/(s12*s234*s34^2) - 
   (2*s23^2*s24)/(s234*s34^2) - (s13*s23^2*s24)/(2*s12*s234*s34^2) + 
   (s13*s23^2*s24)/(2*s134*s234*s34^2) - (2*s13*s24^2)/(s12*s34^2) - 
   (3*s13*s24^2)/(2*s134*s34^2) - (s13*s14*s24^2)/(s12*s134*s34^2) - 
   (2*s23*s24^2)/(s12*s34^2) + (s14*s23*s24^2)/(2*s12*s134*s34^2) - 
   (s13*s24^2)/(2*s234*s34^2) - (3*s12*s13*s24^2)/(2*s134*s234*s34^2) - 
   (s13^2*s24^2)/(s134*s234*s34^2) + (s13*s14*s24^2)/(s12*s234*s34^2) - 
   (2*s23*s24^2)/(s234*s34^2) - (s14*s23*s24^2)/(2*s12*s234*s34^2) + 
   (s14*s23*s24^2)/(2*s134*s234*s34^2) - (s13*s24^3)/(2*s12*s134*s34^2) + 
   (s13*s24^3)/(2*s12*s234*s34^2) - (s13*s24^3)/(2*s134*s234*s34^2) + 
   (2*s12)/s34 + (2*s13)/s34 + s12^2/(s134*s34) + (s12*s13)/(2*s134*s34) - 
   s13^2/(2*s134*s34) + (2*s14)/s34 - (2*s13*s14)/(s12*s34) - 
   (s13*s14)/(s123*s34) - (s13*s14)/(s124*s34) - (s13^2*s14)/(s12*s123*s34) - 
   (s13^2*s14)/(s12*s124*s34) + (s12*s14)/(2*s134*s34) - 
   (3*s13*s14)/(s134*s34) - (2*s12*s13*s14)/(s123*s134*s34) + 
   (s12*s13*s14)/(s124*s134*s34) - (2*s13^2*s14)/(s123*s134*s34) + 
   (s13^2*s14)/(s124*s134*s34) - (s13*s14^2)/(s12*s123*s34) - 
   (s13*s14^2)/(s12*s124*s34) - s14^2/(2*s134*s34) - 
   (2*s13*s14^2)/(s123*s134*s34) + (s13*s14^2)/(s124*s134*s34) + 
   (2*s23)/s34 - (2*s13*s23)/(s12*s34) - (2*s13^2*s23)/(s12^2*s34) + 
   (3*s12*s23)/(2*s134*s34) - (s13*s23)/(s134*s34) - 
   (s13^2*s23)/(s12*s134*s34) - (4*s14*s23)/(s12*s34) - 
   (s14*s23)/(s123*s34) - (s14*s23)/(s124*s34) - 
   (4*s13*s14*s23)/(s12^2*s34) - (5*s13*s14*s23)/(2*s12*s123*s34) - 
   (3*s13*s14*s23)/(2*s12*s124*s34) - (s13^2*s14*s23)/(2*s12^2*s123*s34) + 
   (s13^2*s14*s23)/(2*s12^2*s124*s34) - (2*s14*s23)/(s134*s34) - 
   (s12*s14*s23)/(s123*s134*s34) + (s12*s14*s23)/(2*s124*s134*s34) - 
   (5*s13*s14*s23)/(2*s12*s134*s34) - (4*s13*s14*s23)/(s123*s134*s34) + 
   (3*s13*s14*s23)/(2*s124*s134*s34) - (s13^2*s14*s23)/(s12*s123*s134*s34) - 
   (2*s14^2*s23)/(s12^2*s34) - (3*s14^2*s23)/(2*s12*s123*s34) - 
   (s14^2*s23)/(2*s12*s124*s34) - (s13*s14^2*s23)/(s12^2*s123*s34) + 
   (s13*s14^2*s23)/(s12^2*s124*s34) - (s14^2*s23)/(2*s12*s134*s34) - 
   (s14^2*s23)/(s123*s134*s34) - (s13*s14^2*s23)/(s12*s123*s134*s34) - 
   (s13*s14^2*s23)/(2*s12*s124*s134*s34) - (s14^3*s23)/(2*s12^2*s123*s34) + 
   (s14^3*s23)/(2*s12^2*s124*s34) - (s14^3*s23)/(2*s12*s124*s134*s34) - 
   (2*s13*s23^2)/(s12^2*s34) + s23^2/(2*s134*s34) - 
   (s13*s23^2)/(s12*s134*s34) - (2*s14*s23^2)/(s12^2*s34) - 
   (s14*s23^2)/(2*s12*s123*s34) - (3*s14*s23^2)/(2*s12*s124*s34) - 
   (3*s14*s23^2)/(2*s12*s134*s34) - (s14*s23^2)/(s123*s134*s34) + 
   (s14*s23^2)/(s124*s134*s34) - (s13*s14*s23^2)/(s12*s123*s134*s34) + 
   (s13*s14*s23^2)/(2*s12*s124*s134*s34) + (s14*s23^3)/(2*s12^2*s123*s34) - 
   (s14*s23^3)/(2*s12^2*s124*s34) + (s14*s23^3)/(2*s12*s124*s134*s34) + 
   s12^2/(s234*s34) + (3*s12*s13)/(2*s234*s34) + s13^2/(2*s234*s34) + 
   s12^3/(s134*s234*s34) + (3*s12^2*s13)/(2*s134*s234*s34) + 
   (s12*s13^2)/(2*s134*s234*s34) + (3*s12*s14)/(2*s234*s34) + 
   (s13*s14)/(s234*s34) + (3*s12^2*s14)/(2*s134*s234*s34) + 
   (s12*s13*s14)/(s134*s234*s34) + s14^2/(2*s234*s34) + 
   (s12*s14^2)/(2*s134*s234*s34) + (s12*s23)/(2*s234*s34) - 
   (s13*s23)/(s234*s34) - (s13^2*s23)/(s12*s234*s34) + 
   (3*s12^2*s23)/(2*s134*s234*s34) - (s12*s13*s23)/(s134*s234*s34) + 
   (D*s12*s13*s23)/(2*s134*s234*s34) - (2*s13^2*s23)/(s134*s234*s34) + 
   (D*s13^2*s23)/(2*s134*s234*s34) - (2*s14*s23)/(s234*s34) + 
   (s12*s14*s23)/(2*s123*s234*s34) - (s12*s14*s23)/(s124*s234*s34) - 
   (3*s13*s14*s23)/(2*s12*s234*s34) + (s13*s14*s23)/(2*s123*s234*s34) + 
   (s13^2*s14*s23)/(s12*s124*s234*s34) - (3*s12*s14*s23)/(s134*s234*s34) + 
   (D*s12*s14*s23)/(2*s134*s234*s34) - (9*s13*s14*s23)/(2*s134*s234*s34) + 
   (D*s13*s14*s23)/(s134*s234*s34) - (3*s14^2*s23)/(2*s12*s234*s34) + 
   (s14^2*s23)/(s123*s234*s34) - (s14^2*s23)/(s124*s234*s34) + 
   (s13*s14^2*s23)/(2*s12*s123*s234*s34) + (s13*s14^2*s23)/
    (s12*s124*s234*s34) - (7*s14^2*s23)/(2*s134*s234*s34) + 
   (D*s14^2*s23)/(2*s134*s234*s34) + (s14^3*s23)/(2*s12*s123*s234*s34) - 
   s23^2/(2*s234*s34) - (s13*s23^2)/(s12*s234*s34) + 
   (s12*s23^2)/(2*s134*s234*s34) - (2*s13*s23^2)/(s134*s234*s34) + 
   (D*s13*s23^2)/(2*s134*s234*s34) - (s14*s23^2)/(2*s12*s234*s34) - 
   (s14*s23^2)/(s124*s234*s34) - (s13*s14*s23^2)/(2*s12*s123*s234*s34) + 
   (s13*s14*s23^2)/(s12*s124*s234*s34) - (7*s14*s23^2)/(2*s134*s234*s34) + 
   (D*s14*s23^2)/(2*s134*s234*s34) - (s14*s23^3)/(2*s12*s123*s234*s34) + 
   (2*s24)/s34 - (4*s13*s24)/(s12*s34) - (s13*s24)/(s123*s34) - 
   (s13*s24)/(s124*s34) - (2*s13^2*s24)/(s12^2*s34) - 
   (s13^2*s24)/(2*s12*s123*s34) - (3*s13^2*s24)/(2*s12*s124*s34) + 
   (s13^3*s24)/(2*s12^2*s123*s34) - (s13^3*s24)/(2*s12^2*s124*s34) + 
   (3*s12*s24)/(2*s134*s34) - (2*s13*s24)/(s134*s34) - 
   (s12*s13*s24)/(s123*s134*s34) + (s12*s13*s24)/(2*s124*s134*s34) - 
   (s13^2*s24)/(2*s12*s134*s34) + (s13^2*s24)/(2*s124*s134*s34) + 
   (s13^3*s24)/(s12*s123*s134*s34) - (2*s14*s24)/(s12*s34) - 
   (4*s13*s14*s24)/(s12^2*s34) - (3*s13*s14*s24)/(2*s12*s123*s34) - 
   (5*s13*s14*s24)/(2*s12*s124*s34) + (s13^2*s14*s24)/(s12^2*s123*s34) - 
   (s13^2*s14*s24)/(s12^2*s124*s34) - (s14*s24)/(s134*s34) - 
   (5*s13*s14*s24)/(2*s12*s134*s34) - (3*s13*s14*s24)/(s123*s134*s34) + 
   (2*s13*s14*s24)/(s124*s134*s34) + (s13^2*s14*s24)/(s12*s123*s134*s34) + 
   (s13^2*s14*s24)/(2*s12*s124*s134*s34) - (2*s14^2*s24)/(s12^2*s34) + 
   (s13*s14^2*s24)/(2*s12^2*s123*s34) - (s13*s14^2*s24)/(2*s12^2*s124*s34) - 
   (s14^2*s24)/(s12*s134*s34) + (s13*s14^2*s24)/(2*s12*s124*s134*s34) - 
   (2*s23*s24)/(s12*s34) - (s23*s24)/(s123*s34) - (s23*s24)/(s124*s34) - 
   (4*s13*s23*s24)/(s12^2*s34) - (5*s13*s23*s24)/(2*s12*s123*s34) - 
   (3*s13*s23*s24)/(2*s12*s124*s34) + (s23*s24)/(s134*s34) - 
   (3*s13*s23*s24)/(2*s12*s134*s34) - (s13*s23*s24)/(s123*s134*s34) + 
   (s13^2*s23*s24)/(s12*s123*s134*s34) - (s13^2*s23*s24)/
    (2*s12*s124*s134*s34) - (4*s14*s23*s24)/(s12^2*s34) - 
   (3*s14*s23*s24)/(2*s12*s123*s34) - (5*s14*s23*s24)/(2*s12*s124*s34) - 
   (3*s14*s23*s24)/(2*s12*s134*s34) + (s14*s23*s24)/(2*s124*s134*s34) + 
   (s14^2*s23*s24)/(s12*s123*s134*s34) - (s14^2*s23*s24)/
    (2*s12*s124*s134*s34) - (s23^2*s24)/(s12*s123*s34) - 
   (s23^2*s24)/(s12*s124*s34) - (s13*s23^2*s24)/(2*s12^2*s123*s34) + 
   (s13*s23^2*s24)/(2*s12^2*s124*s34) - (s13*s23^2*s24)/
    (2*s12*s124*s134*s34) + (s14*s23^2*s24)/(s12^2*s123*s34) - 
   (s14*s23^2*s24)/(s12^2*s124*s34) + (s14*s23^2*s24)/(s12*s123*s134*s34) + 
   (s14*s23^2*s24)/(2*s12*s124*s134*s34) + (s12*s24)/(2*s234*s34) - 
   (2*s13*s24)/(s234*s34) + (s12*s13*s24)/(2*s123*s234*s34) - 
   (s12*s13*s24)/(s124*s234*s34) - (3*s13^2*s24)/(2*s12*s234*s34) + 
   (s13^2*s24)/(2*s123*s234*s34) - (2*s13^2*s24)/(s124*s234*s34) - 
   (s13^3*s24)/(s12*s124*s234*s34) + (3*s12^2*s24)/(2*s134*s234*s34) - 
   (3*s12*s13*s24)/(s134*s234*s34) + (D*s12*s13*s24)/(2*s134*s234*s34) - 
   (7*s13^2*s24)/(2*s134*s234*s34) + (D*s13^2*s24)/(2*s134*s234*s34) - 
   (s14*s24)/(s234*s34) - (3*s13*s14*s24)/(2*s12*s234*s34) - 
   (s13*s14*s24)/(s124*s234*s34) - (s13^2*s14*s24)/(2*s12*s123*s234*s34) - 
   (s13^2*s14*s24)/(s12*s124*s234*s34) - (s12*s14*s24)/(s134*s234*s34) + 
   (D*s12*s14*s24)/(2*s134*s234*s34) - (9*s13*s14*s24)/(2*s134*s234*s34) + 
   (D*s13*s14*s24)/(s134*s234*s34) - (s14^2*s24)/(s12*s234*s34) - 
   (s13*s14^2*s24)/(2*s12*s123*s234*s34) - (2*s14^2*s24)/(s134*s234*s34) + 
   (D*s14^2*s24)/(2*s134*s234*s34) - (3*s23*s24)/(s234*s34) + 
   (s12*s23*s24)/(s123*s234*s34) - (2*s12*s23*s24)/(s124*s234*s34) - 
   (5*s13*s23*s24)/(2*s12*s234*s34) + (2*s13*s23*s24)/(s123*s234*s34) - 
   (3*s13*s23*s24)/(s124*s234*s34) + (s13^2*s23*s24)/(2*s12*s123*s234*s34) - 
   (s13^2*s23*s24)/(s12*s124*s234*s34) + (s12*s23*s24)/(s134*s234*s34) - 
   (9*s13*s23*s24)/(2*s134*s234*s34) + (D*s13*s23*s24)/(s134*s234*s34) - 
   (5*s14*s23*s24)/(2*s12*s234*s34) + (3*s14*s23*s24)/(2*s123*s234*s34) - 
   (4*s14*s23*s24)/(s124*s234*s34) - (9*s14*s23*s24)/(2*s134*s234*s34) + 
   (D*s14*s23*s24)/(s134*s234*s34) + (s14^2*s23*s24)/(2*s12*s123*s234*s34) - 
   (s14^2*s23*s24)/(s12*s124*s234*s34) + (s23^2*s24)/(s123*s234*s34) - 
   (2*s23^2*s24)/(s124*s234*s34) + (s13*s23^2*s24)/(2*s12*s123*s234*s34) - 
   (s14*s23^2*s24)/(2*s12*s123*s234*s34) - (s14*s23^2*s24)/
    (s12*s124*s234*s34) - (2*s13*s24^2)/(s12^2*s34) - 
   (3*s13*s24^2)/(2*s12*s123*s34) - (s13*s24^2)/(2*s12*s124*s34) + 
   s24^2/(2*s134*s34) - (3*s13*s24^2)/(2*s12*s134*s34) - 
   (2*s13*s24^2)/(s123*s134*s34) + (s13*s24^2)/(2*s124*s134*s34) - 
   (2*s14*s24^2)/(s12^2*s34) - (s14*s24^2)/(s12*s134*s34) - 
   (s13*s14*s24^2)/(s12*s123*s134*s34) + (s13*s14*s24^2)/
    (2*s12*s124*s134*s34) - (s23*s24^2)/(s12*s123*s34) - 
   (s23*s24^2)/(s12*s124*s34) - (s13*s23*s24^2)/(s12^2*s123*s34) + 
   (s13*s23*s24^2)/(s12^2*s124*s34) - (s13*s23*s24^2)/(s12*s123*s134*s34) - 
   (s13*s23*s24^2)/(2*s12*s124*s134*s34) + (s14*s23*s24^2)/
    (2*s12^2*s123*s34) - (s14*s23*s24^2)/(2*s12^2*s124*s34) + 
   (s14*s23*s24^2)/(s12*s123*s134*s34) - s24^2/(2*s234*s34) - 
   (s13*s24^2)/(2*s12*s234*s34) + (s13*s24^2)/(2*s123*s234*s34) + 
   (s12*s24^2)/(2*s134*s234*s34) - (7*s13*s24^2)/(2*s134*s234*s34) + 
   (D*s13*s24^2)/(2*s134*s234*s34) - (s14*s24^2)/(s12*s234*s34) - 
   (s13*s14*s24^2)/(2*s12*s123*s234*s34) + (s13*s14*s24^2)/
    (s12*s124*s234*s34) - (2*s14*s24^2)/(s134*s234*s34) + 
   (D*s14*s24^2)/(2*s134*s234*s34) + (s23*s24^2)/(s123*s234*s34) - 
   (2*s23*s24^2)/(s124*s234*s34) + (s13*s23*s24^2)/(2*s12*s123*s234*s34) + 
   (s13*s23*s24^2)/(s12*s124*s234*s34) - (s14*s23*s24^2)/
    (s12*s124*s234*s34) - (s13*s24^3)/(2*s12^2*s123*s34) + 
   (s13*s24^3)/(2*s12^2*s124*s34) - (s13*s24^3)/(s12*s123*s134*s34) + 
   (s13*s24^3)/(s12*s124*s234*s34) + (2*s34)/s12 + (2*s34)/s123 + 
   (2*s34)/s124 + (3*s12*s34)/(s123*s124) - (D*s12*s34)/(2*s123*s124) + 
   (s13*s34)/(2*s12*s123) + (3*s13*s34)/(2*s12*s124) + 
   (7*s13*s34)/(2*s123*s124) - (D*s13*s34)/(2*s123*s124) + 
   (s13^2*s34)/(2*s12*s123*s124) + s34/s134 + (2*s12*s34)/(s123*s134) - 
   (s12*s34)/(s124*s134) - (s13*s34)/(2*s124*s134) + 
   (3*s14*s34)/(2*s12*s123) + (s14*s34)/(2*s12*s124) + 
   (7*s14*s34)/(2*s123*s124) - (D*s14*s34)/(2*s123*s124) - 
   (s13*s14*s34)/(s12*s123*s124) + (D*s13*s14*s34)/(2*s12*s123*s124) + 
   (s14*s34)/(s123*s134) + (s14^2*s34)/(2*s12*s123*s124) + 
   (s23*s34)/(2*s12*s123) + (3*s23*s34)/(2*s12*s124) + 
   (7*s23*s34)/(2*s123*s124) - (D*s23*s34)/(2*s123*s124) - 
   (2*s13*s23*s34)/(s12^2*s123) + (s13*s23*s34)/(s12*s123*s124) + 
   (s23*s34)/(s123*s134) - (s23*s34)/(s124*s134) - 
   (2*s13*s23*s34)/(s12*s123*s134) - (s14*s23*s34)/(s12^2*s123) - 
   (s14*s23*s34)/(s12^2*s124) - (3*s14*s23*s34)/(s12*s123*s124) + 
   (D*s14*s23*s34)/(2*s12*s123*s124) - (s13*s14*s23*s34)/
    (2*s12^2*s123*s124) - (s14*s23*s34)/(s12*s123*s134) + 
   (s14*s23*s34)/(2*s12*s124*s134) - (3*s14^2*s23*s34)/(2*s12^2*s123*s124) + 
   (s23^2*s34)/(2*s12*s123*s124) - (3*s14*s23^2*s34)/(2*s12^2*s123*s124) + 
   s34/s234 - (s12*s34)/(s123*s234) + (2*s12*s34)/(s124*s234) - 
   (s13*s34)/(2*s123*s234) + (2*s13*s34)/(s124*s234) + 
   (3*s12*s34)/(s134*s234) - (D*s12*s34)/(2*s134*s234) - 
   (s14*s34)/(s123*s234) + (s14*s34)/(s124*s234) + (s23*s34)/(s124*s234) + 
   (s13*s23*s34)/(s12*s123*s234) + (s14*s23*s34)/(2*s12*s123*s234) - 
   (s14*s23*s34)/(s12*s124*s234) + (3*s24*s34)/(2*s12*s123) + 
   (s24*s34)/(2*s12*s124) + (7*s24*s34)/(2*s123*s124) - 
   (D*s24*s34)/(2*s123*s124) - (s13*s24*s34)/(s12^2*s123) - 
   (s13*s24*s34)/(s12^2*s124) - (3*s13*s24*s34)/(s12*s123*s124) + 
   (D*s13*s24*s34)/(2*s12*s123*s124) - (3*s13^2*s24*s34)/
    (2*s12^2*s123*s124) + (2*s24*s34)/(s123*s134) - (s24*s34)/(2*s124*s134) - 
   (s13*s24*s34)/(s12*s123*s134) + (s13*s24*s34)/(2*s12*s124*s134) - 
   (2*s14*s24*s34)/(s12^2*s124) + (s14*s24*s34)/(s12*s123*s124) - 
   (s13*s14*s24*s34)/(2*s12^2*s123*s124) + (s14*s24*s34)/(s12*s124*s134) - 
   (s23*s24*s34)/(s12*s123*s124) + (D*s23*s24*s34)/(2*s12*s123*s124) - 
   (s13*s23*s24*s34)/(2*s12^2*s123*s124) - (s14*s23*s24*s34)/
    (2*s12^2*s123*s124) - (s24*s34)/(2*s123*s234) + 
   (s13*s24*s34)/(2*s12*s123*s234) - (s13*s24*s34)/(s12*s124*s234) - 
   (2*s14*s24*s34)/(s12*s124*s234) + (s24^2*s34)/(2*s12*s123*s124) - 
   (3*s13*s24^2*s34)/(2*s12^2*s123*s124) + s34^2/(s12*s123) + 
   s34^2/(s12*s124) + (4*s34^2)/(s123*s124) - (D*s34^2)/(2*s123*s124) + 
   (3*s13*s34^2)/(2*s12*s123*s124) + s34^2/(s123*s134) - 
   s34^2/(2*s124*s134) + (3*s14*s34^2)/(2*s12*s123*s124) + 
   (3*s23*s34^2)/(2*s12*s123*s124) - (s14*s23*s34^2)/(s12^2*s123*s124) - 
   s34^2/(2*s123*s234) + s34^2/(s124*s234) + 
   (3*s24*s34^2)/(2*s12*s123*s124) - (s13*s24*s34^2)/(s12^2*s123*s124) + 
   s34^3/(s12*s123*s124) + (2*s23*z1)/(s12*z12) + (2*s23*z1)/(s123*z12) + 
   (s23*z1)/(s124*z12) + (2*s13*s23*z1)/(s12^2*z12) + 
   (4*s13*s23*z1)/(s12*s123*z12) + (s13*s23*z1)/(s12*s124*z12) + 
   (2*s13^2*s23*z1)/(s12^2*s123*z12) + (s23*z1)/(2*s134*z12) + 
   (s12*s23*z1)/(s123*s134*z12) - (s12*s23*z1)/(2*s124*s134*z12) + 
   (s13*s23*z1)/(2*s12*s134*z12) + (2*s13*s23*z1)/(s123*s134*z12) - 
   (s13*s23*z1)/(2*s124*s134*z12) + (s13^2*s23*z1)/(s12*s123*s134*z12) + 
   (2*s14*s23*z1)/(s12^2*z12) + (7*s14*s23*z1)/(2*s12*s123*z12) + 
   (3*s14*s23*z1)/(2*s12*s124*z12) + (7*s13*s14*s23*z1)/(2*s12^2*s123*z12) + 
   (s13*s14*s23*z1)/(2*s12^2*s124*z12) - (s13*s14*s23*z1)/
    (2*s12*s123*s124*z12) - (s13^2*s14*s23*z1)/(2*s12^2*s123*s124*z12) + 
   (s14*s23*z1)/(2*s12*s134*z12) + (s14*s23*z1)/(s123*s134*z12) - 
   (s14*s23*z1)/(s124*s134*z12) + (s13*s14*s23*z1)/(s12*s123*s134*z12) - 
   (s13*s14*s23*z1)/(2*s12*s124*s134*z12) + (3*s14^2*s23*z1)/
    (2*s12^2*s123*z12) + (s14^2*s23*z1)/(2*s12^2*s124*z12) + 
   (s14^2*s23*z1)/(2*s12*s123*s124*z12) - (s14^2*s23*z1)/
    (2*s12*s124*s134*z12) + (s14^3*s23*z1)/(2*s12^2*s123*s124*z12) + 
   (2*s23^2*z1)/(s12^2*z12) + (4*s23^2*z1)/(s12*s123*z12) + 
   (s23^2*z1)/(s12*s124*z12) + (4*s13*s23^2*z1)/(s12^2*s123*z12) + 
   (s23^2*z1)/(2*s12*s134*z12) + (2*s23^2*z1)/(s123*s134*z12) - 
   (s23^2*z1)/(2*s124*s134*z12) + (2*s13*s23^2*z1)/(s12*s123*s134*z12) + 
   (7*s14*s23^2*z1)/(2*s12^2*s123*z12) + (s14*s23^2*z1)/(2*s12^2*s124*z12) - 
   (s14*s23^2*z1)/(2*s12*s123*s124*z12) - (s13*s14*s23^2*z1)/
    (s12^2*s123*s124*z12) + (s14*s23^2*z1)/(s12*s123*s134*z12) - 
   (s14*s23^2*z1)/(2*s12*s124*s134*z12) + (2*s23^3*z1)/(s12^2*s123*z12) + 
   (s23^3*z1)/(s12*s123*s134*z12) - (s14*s23^3*z1)/(2*s12^2*s123*s124*z12) + 
   (s23*z1)/(2*s234*z12) - (s12*s23*z1)/(2*s123*s234*z12) + 
   (s12*s23*z1)/(s124*s234*z12) + (s13*s23*z1)/(2*s12*s234*z12) - 
   (s13*s23*z1)/(s123*s234*z12) + (s13*s23*z1)/(s124*s234*z12) - 
   (s13^2*s23*z1)/(2*s12*s123*s234*z12) + (s14*s23*z1)/(2*s12*s234*z12) - 
   (s14*s23*z1)/(2*s123*s234*z12) + (2*s14*s23*z1)/(s124*s234*z12) - 
   (s13*s14*s23*z1)/(2*s12*s123*s234*z12) + (s13*s14*s23*z1)/
    (s12*s124*s234*z12) + (s14^2*s23*z1)/(s12*s124*s234*z12) + 
   (s23^2*z1)/(2*s12*s234*z12) - (s23^2*z1)/(s123*s234*z12) + 
   (s23^2*z1)/(s124*s234*z12) - (s13*s23^2*z1)/(s12*s123*s234*z12) - 
   (s14*s23^2*z1)/(2*s12*s123*s234*z12) + (s14*s23^2*z1)/
    (s12*s124*s234*z12) - (s23^3*z1)/(2*s12*s123*s234*z12) + 
   (2*s24*z1)/(s12*z12) + (s24*z1)/(s123*z12) + (2*s24*z1)/(s124*z12) + 
   (2*s13*s24*z1)/(s12^2*z12) + (3*s13*s24*z1)/(2*s12*s123*z12) + 
   (7*s13*s24*z1)/(2*s12*s124*z12) + (s13^2*s24*z1)/(2*s12^2*s123*z12) + 
   (3*s13^2*s24*z1)/(2*s12^2*s124*z12) + (s13^2*s24*z1)/
    (2*s12*s123*s124*z12) + (s13^3*s24*z1)/(2*s12^2*s123*s124*z12) + 
   (s24*z1)/(2*s134*z12) + (s12*s24*z1)/(s123*s134*z12) - 
   (s12*s24*z1)/(2*s124*s134*z12) + (s13*s24*z1)/(2*s12*s134*z12) + 
   (2*s13*s24*z1)/(s123*s134*z12) - (s13*s24*z1)/(2*s124*s134*z12) + 
   (s13^2*s24*z1)/(s12*s123*s134*z12) + (2*s14*s24*z1)/(s12^2*z12) + 
   (s14*s24*z1)/(s12*s123*z12) + (4*s14*s24*z1)/(s12*s124*z12) + 
   (s13*s14*s24*z1)/(2*s12^2*s123*z12) + (7*s13*s14*s24*z1)/
    (2*s12^2*s124*z12) - (s13*s14*s24*z1)/(2*s12*s123*s124*z12) + 
   (s14*s24*z1)/(2*s12*s134*z12) + (s14*s24*z1)/(s123*s134*z12) - 
   (s14*s24*z1)/(s124*s134*z12) + (s13*s14*s24*z1)/(s12*s123*s134*z12) - 
   (s13*s14*s24*z1)/(2*s12*s124*s134*z12) + (2*s14^2*s24*z1)/
    (s12^2*s124*z12) - (s13*s14^2*s24*z1)/(2*s12^2*s123*s124*z12) - 
   (s14^2*s24*z1)/(2*s12*s124*s134*z12) + (4*s23*s24*z1)/(s12^2*z12) + 
   (5*s23*s24*z1)/(s12*s123*z12) + (5*s23*s24*z1)/(s12*s124*z12) + 
   (9*s13*s23*s24*z1)/(2*s12^2*s123*z12) + (7*s13*s23*s24*z1)/
    (2*s12^2*s124*z12) + (s13*s23*s24*z1)/(2*s12*s123*s124*z12) + 
   (s13^2*s23*s24*z1)/(s12^2*s123*s124*z12) + (s23*s24*z1)/(s12*s134*z12) + 
   (3*s23*s24*z1)/(s123*s134*z12) - (3*s23*s24*z1)/(2*s124*s134*z12) + 
   (3*s13*s23*s24*z1)/(s12*s123*s134*z12) - (s13*s23*s24*z1)/
    (2*s12*s124*s134*z12) + (7*s14*s23*s24*z1)/(2*s12^2*s123*z12) + 
   (9*s14*s23*s24*z1)/(2*s12^2*s124*z12) + (s14*s23*s24*z1)/
    (2*s12*s123*s124*z12) + (s14*s23*s24*z1)/(s12*s123*s134*z12) - 
   (3*s14*s23*s24*z1)/(2*s12*s124*s134*z12) + (s14^2*s23*s24*z1)/
    (s12^2*s123*s124*z12) + (4*s23^2*s24*z1)/(s12^2*s123*z12) + 
   (2*s23^2*s24*z1)/(s12^2*s124*z12) + (s13*s23^2*s24*z1)/
    (2*s12^2*s123*s124*z12) + (2*s23^2*s24*z1)/(s12*s123*s134*z12) - 
   (s23^2*s24*z1)/(2*s12*s124*s134*z12) + (s24*z1)/(2*s234*z12) - 
   (s12*s24*z1)/(2*s123*s234*z12) + (s12*s24*z1)/(s124*s234*z12) + 
   (s13*s24*z1)/(2*s12*s234*z12) - (s13*s24*z1)/(s123*s234*z12) + 
   (s13*s24*z1)/(s124*s234*z12) - (s13^2*s24*z1)/(2*s12*s123*s234*z12) + 
   (s14*s24*z1)/(2*s12*s234*z12) - (s14*s24*z1)/(2*s123*s234*z12) + 
   (2*s14*s24*z1)/(s124*s234*z12) - (s13*s14*s24*z1)/(2*s12*s123*s234*z12) + 
   (s13*s14*s24*z1)/(s12*s124*s234*z12) + (s14^2*s24*z1)/
    (s12*s124*s234*z12) + (s23*s24*z1)/(s12*s234*z12) - 
   (3*s23*s24*z1)/(2*s123*s234*z12) + (3*s23*s24*z1)/(s124*s234*z12) - 
   (3*s13*s23*s24*z1)/(2*s12*s123*s234*z12) + 
   (s13*s23*s24*z1)/(s12*s124*s234*z12) - (s14*s23*s24*z1)/
    (2*s12*s123*s234*z12) + (3*s14*s23*s24*z1)/(s12*s124*s234*z12) - 
   (s23^2*s24*z1)/(s12*s123*s234*z12) + (s23^2*s24*z1)/(s12*s124*s234*z12) + 
   (2*s24^2*z1)/(s12^2*z12) + (s24^2*z1)/(s12*s123*z12) + 
   (4*s24^2*z1)/(s12*s124*z12) + (s13*s24^2*z1)/(2*s12^2*s123*z12) + 
   (7*s13*s24^2*z1)/(2*s12^2*s124*z12) - (s13*s24^2*z1)/
    (2*s12*s123*s124*z12) + (s24^2*z1)/(2*s12*s134*z12) + 
   (s24^2*z1)/(s123*s134*z12) - (s24^2*z1)/(s124*s134*z12) + 
   (s13*s24^2*z1)/(s12*s123*s134*z12) - (s13*s24^2*z1)/
    (2*s12*s124*s134*z12) + (4*s14*s24^2*z1)/(s12^2*s124*z12) - 
   (s13*s14*s24^2*z1)/(s12^2*s123*s124*z12) - 
   (s14*s24^2*z1)/(s12*s124*s134*z12) + (2*s23*s24^2*z1)/(s12^2*s123*z12) + 
   (4*s23*s24^2*z1)/(s12^2*s124*z12) + (s23*s24^2*z1)/(s12*s123*s134*z12) - 
   (s23*s24^2*z1)/(s12*s124*s134*z12) + (s14*s23*s24^2*z1)/
    (2*s12^2*s123*s124*z12) + (s24^2*z1)/(2*s12*s234*z12) - 
   (s24^2*z1)/(2*s123*s234*z12) + (2*s24^2*z1)/(s124*s234*z12) - 
   (s13*s24^2*z1)/(2*s12*s123*s234*z12) + (s13*s24^2*z1)/
    (s12*s124*s234*z12) + (2*s14*s24^2*z1)/(s12*s124*s234*z12) - 
   (s23*s24^2*z1)/(2*s12*s123*s234*z12) + (2*s23*s24^2*z1)/
    (s12*s124*s234*z12) + (2*s24^3*z1)/(s12^2*s124*z12) - 
   (s13*s24^3*z1)/(2*s12^2*s123*s124*z12) - 
   (s24^3*z1)/(2*s12*s124*s134*z12) + (s24^3*z1)/(s12*s124*s234*z12) + 
   (2*s23*z1)/(s34*z12) + (4*s13*s23*z1)/(s12*s34*z12) + 
   (2*s13^2*s23*z1)/(s12^2*s34*z12) + (s12*s23*z1)/(2*s134*s34*z12) + 
   (s13*s23*z1)/(s134*s34*z12) + (s13^2*s23*z1)/(2*s12*s134*s34*z12) + 
   (4*s14*s23*z1)/(s12*s34*z12) + (s14*s23*z1)/(2*s123*s34*z12) - 
   (s14*s23*z1)/(2*s124*s34*z12) + (4*s13*s14*s23*z1)/(s12^2*s34*z12) + 
   (s13*s14*s23*z1)/(s12*s123*s34*z12) - (s13*s14*s23*z1)/
    (s12*s124*s34*z12) + (s13^2*s14*s23*z1)/(2*s12^2*s123*s34*z12) - 
   (s13^2*s14*s23*z1)/(2*s12^2*s124*s34*z12) + (s14*s23*z1)/(s134*s34*z12) + 
   (s13*s14*s23*z1)/(s12*s134*s34*z12) + (2*s14^2*s23*z1)/(s12^2*s34*z12) + 
   (s14^2*s23*z1)/(s12*s123*s34*z12) - (s14^2*s23*z1)/(s12*s124*s34*z12) + 
   (s13*s14^2*s23*z1)/(s12^2*s123*s34*z12) - (s13*s14^2*s23*z1)/
    (s12^2*s124*s34*z12) + (s14^2*s23*z1)/(2*s12*s134*s34*z12) + 
   (s14^3*s23*z1)/(2*s12^2*s123*s34*z12) - 
   (s14^3*s23*z1)/(2*s12^2*s124*s34*z12) + (4*s23^2*z1)/(s12*s34*z12) + 
   (4*s13*s23^2*z1)/(s12^2*s34*z12) + (s23^2*z1)/(s134*s34*z12) + 
   (s13*s23^2*z1)/(s12*s134*s34*z12) + (4*s14*s23^2*z1)/(s12^2*s34*z12) + 
   (s14*s23^2*z1)/(s12*s123*s34*z12) - (s14*s23^2*z1)/(s12*s124*s34*z12) + 
   (s13*s14*s23^2*z1)/(s12^2*s123*s34*z12) - (s13*s14*s23^2*z1)/
    (s12^2*s124*s34*z12) + (s14*s23^2*z1)/(s12*s134*s34*z12) + 
   (s14^2*s23^2*z1)/(s12^2*s123*s34*z12) - (s14^2*s23^2*z1)/
    (s12^2*s124*s34*z12) + (2*s23^3*z1)/(s12^2*s34*z12) + 
   (s23^3*z1)/(2*s12*s134*s34*z12) + (s14*s23^3*z1)/(2*s12^2*s123*s34*z12) - 
   (s14*s23^3*z1)/(2*s12^2*s124*s34*z12) + (s12*s23*z1)/(2*s234*s34*z12) + 
   (s13*s23*z1)/(s234*s34*z12) + (s13^2*s23*z1)/(2*s12*s234*s34*z12) + 
   (s14*s23*z1)/(s234*s34*z12) + (s13*s14*s23*z1)/(s12*s234*s34*z12) + 
   (s14^2*s23*z1)/(2*s12*s234*s34*z12) + (s23^2*z1)/(s234*s34*z12) + 
   (s13*s23^2*z1)/(s12*s234*s34*z12) + (s14*s23^2*z1)/(s12*s234*s34*z12) + 
   (s23^3*z1)/(2*s12*s234*s34*z12) + (2*s24*z1)/(s34*z12) + 
   (4*s13*s24*z1)/(s12*s34*z12) - (s13*s24*z1)/(2*s123*s34*z12) + 
   (s13*s24*z1)/(2*s124*s34*z12) + (2*s13^2*s24*z1)/(s12^2*s34*z12) - 
   (s13^2*s24*z1)/(s12*s123*s34*z12) + (s13^2*s24*z1)/(s12*s124*s34*z12) - 
   (s13^3*s24*z1)/(2*s12^2*s123*s34*z12) + 
   (s13^3*s24*z1)/(2*s12^2*s124*s34*z12) + (s12*s24*z1)/(2*s134*s34*z12) + 
   (s13*s24*z1)/(s134*s34*z12) + (s13^2*s24*z1)/(2*s12*s134*s34*z12) + 
   (4*s14*s24*z1)/(s12*s34*z12) + (4*s13*s14*s24*z1)/(s12^2*s34*z12) - 
   (s13*s14*s24*z1)/(s12*s123*s34*z12) + (s13*s14*s24*z1)/
    (s12*s124*s34*z12) - (s13^2*s14*s24*z1)/(s12^2*s123*s34*z12) + 
   (s13^2*s14*s24*z1)/(s12^2*s124*s34*z12) + (s14*s24*z1)/(s134*s34*z12) + 
   (s13*s14*s24*z1)/(s12*s134*s34*z12) + (2*s14^2*s24*z1)/(s12^2*s34*z12) - 
   (s13*s14^2*s24*z1)/(2*s12^2*s123*s34*z12) + 
   (s13*s14^2*s24*z1)/(2*s12^2*s124*s34*z12) + 
   (s14^2*s24*z1)/(2*s12*s134*s34*z12) + (8*s23*s24*z1)/(s12*s34*z12) + 
   (8*s13*s23*s24*z1)/(s12^2*s34*z12) - (s13*s23*s24*z1)/(s12*s123*s34*z12) + 
   (s13*s23*s24*z1)/(s12*s124*s34*z12) - (s13^2*s23*s24*z1)/
    (s12^2*s123*s34*z12) + (s13^2*s23*s24*z1)/(s12^2*s124*s34*z12) + 
   (2*s23*s24*z1)/(s134*s34*z12) + (2*s13*s23*s24*z1)/(s12*s134*s34*z12) + 
   (8*s14*s23*s24*z1)/(s12^2*s34*z12) + (s14*s23*s24*z1)/(s12*s123*s34*z12) - 
   (s14*s23*s24*z1)/(s12*s124*s34*z12) + (2*s14*s23*s24*z1)/
    (s12*s134*s34*z12) + (s14^2*s23*s24*z1)/(s12^2*s123*s34*z12) - 
   (s14^2*s23*s24*z1)/(s12^2*s124*s34*z12) + (6*s23^2*s24*z1)/
    (s12^2*s34*z12) - (s13*s23^2*s24*z1)/(2*s12^2*s123*s34*z12) + 
   (s13*s23^2*s24*z1)/(2*s12^2*s124*s34*z12) + 
   (3*s23^2*s24*z1)/(2*s12*s134*s34*z12) + (s14*s23^2*s24*z1)/
    (s12^2*s123*s34*z12) - (s14*s23^2*s24*z1)/(s12^2*s124*s34*z12) + 
   (s12*s24*z1)/(2*s234*s34*z12) + (s13*s24*z1)/(s234*s34*z12) + 
   (s13^2*s24*z1)/(2*s12*s234*s34*z12) + (s14*s24*z1)/(s234*s34*z12) + 
   (s13*s14*s24*z1)/(s12*s234*s34*z12) + (s14^2*s24*z1)/
    (2*s12*s234*s34*z12) + (2*s23*s24*z1)/(s234*s34*z12) + 
   (2*s13*s23*s24*z1)/(s12*s234*s34*z12) + (2*s14*s23*s24*z1)/
    (s12*s234*s34*z12) + (3*s23^2*s24*z1)/(2*s12*s234*s34*z12) + 
   (4*s24^2*z1)/(s12*s34*z12) + (4*s13*s24^2*z1)/(s12^2*s34*z12) - 
   (s13*s24^2*z1)/(s12*s123*s34*z12) + (s13*s24^2*z1)/(s12*s124*s34*z12) - 
   (s13^2*s24^2*z1)/(s12^2*s123*s34*z12) + (s13^2*s24^2*z1)/
    (s12^2*s124*s34*z12) + (s24^2*z1)/(s134*s34*z12) + 
   (s13*s24^2*z1)/(s12*s134*s34*z12) + (4*s14*s24^2*z1)/(s12^2*s34*z12) - 
   (s13*s14*s24^2*z1)/(s12^2*s123*s34*z12) + (s13*s14*s24^2*z1)/
    (s12^2*s124*s34*z12) + (s14*s24^2*z1)/(s12*s134*s34*z12) + 
   (6*s23*s24^2*z1)/(s12^2*s34*z12) - (s13*s23*s24^2*z1)/
    (s12^2*s123*s34*z12) + (s13*s23*s24^2*z1)/(s12^2*s124*s34*z12) + 
   (3*s23*s24^2*z1)/(2*s12*s134*s34*z12) + (s14*s23*s24^2*z1)/
    (2*s12^2*s123*s34*z12) - (s14*s23*s24^2*z1)/(2*s12^2*s124*s34*z12) + 
   (s24^2*z1)/(s234*s34*z12) + (s13*s24^2*z1)/(s12*s234*s34*z12) + 
   (s14*s24^2*z1)/(s12*s234*s34*z12) + (3*s23*s24^2*z1)/
    (2*s12*s234*s34*z12) + (2*s24^3*z1)/(s12^2*s34*z12) - 
   (s13*s24^3*z1)/(2*s12^2*s123*s34*z12) + 
   (s13*s24^3*z1)/(2*s12^2*s124*s34*z12) + (s24^3*z1)/(2*s12*s134*s34*z12) + 
   (s24^3*z1)/(2*s12*s234*s34*z12) + (2*s23*s34*z1)/(s12*s123*z12) + 
   (s23*s34*z1)/(s12*s124*z12) + (s23*s34*z1)/(s123*s124*z12) + 
   (2*s13*s23*s34*z1)/(s12^2*s123*z12) + (s13*s23*s34*z1)/
    (s12*s123*s124*z12) + (s23*s34*z1)/(s123*s134*z12) - 
   (s23*s34*z1)/(2*s124*s134*z12) + (s13*s23*s34*z1)/(s12*s123*s134*z12) + 
   (s14*s23*s34*z1)/(s12^2*s123*z12) + (s14*s23*s34*z1)/(s12^2*s124*z12) + 
   (2*s14*s23*s34*z1)/(s12*s123*s124*z12) + (s13*s14*s23*s34*z1)/
    (2*s12^2*s123*s124*z12) - (s14*s23*s34*z1)/(2*s12*s124*s134*z12) + 
   (3*s14^2*s23*s34*z1)/(2*s12^2*s123*s124*z12) + 
   (2*s23^2*s34*z1)/(s12^2*s123*z12) + (s23^2*s34*z1)/(s12*s123*s124*z12) + 
   (s23^2*s34*z1)/(s12*s123*s134*z12) + (s14*s23^2*s34*z1)/
    (2*s12^2*s123*s124*z12) - (s23*s34*z1)/(2*s123*s234*z12) + 
   (s23*s34*z1)/(s124*s234*z12) - (s13*s23*s34*z1)/(2*s12*s123*s234*z12) + 
   (s14*s23*s34*z1)/(s12*s124*s234*z12) - (s23^2*s34*z1)/
    (2*s12*s123*s234*z12) + (s24*s34*z1)/(s12*s123*z12) + 
   (2*s24*s34*z1)/(s12*s124*z12) + (s24*s34*z1)/(s123*s124*z12) + 
   (s13*s24*s34*z1)/(s12^2*s123*z12) + (s13*s24*s34*z1)/(s12^2*s124*z12) + 
   (2*s13*s24*s34*z1)/(s12*s123*s124*z12) + (3*s13^2*s24*s34*z1)/
    (2*s12^2*s123*s124*z12) + (s24*s34*z1)/(s123*s134*z12) - 
   (s24*s34*z1)/(2*s124*s134*z12) + (s13*s24*s34*z1)/(s12*s123*s134*z12) + 
   (2*s14*s24*s34*z1)/(s12^2*s124*z12) + (s14*s24*s34*z1)/
    (s12*s123*s124*z12) + (s13*s14*s24*s34*z1)/(2*s12^2*s123*s124*z12) - 
   (s14*s24*s34*z1)/(2*s12*s124*s134*z12) + (2*s23*s24*s34*z1)/
    (s12^2*s123*z12) + (2*s23*s24*s34*z1)/(s12^2*s124*z12) + 
   (4*s23*s24*s34*z1)/(s12*s123*s124*z12) + (7*s13*s23*s24*s34*z1)/
    (2*s12^2*s123*s124*z12) + (s23*s24*s34*z1)/(s12*s123*s134*z12) - 
   (s23*s24*s34*z1)/(2*s12*s124*s134*z12) + (7*s14*s23*s24*s34*z1)/
    (2*s12^2*s123*s124*z12) + (2*s23^2*s24*s34*z1)/(s12^2*s123*s124*z12) - 
   (s24*s34*z1)/(2*s123*s234*z12) + (s24*s34*z1)/(s124*s234*z12) - 
   (s13*s24*s34*z1)/(2*s12*s123*s234*z12) + (s14*s24*s34*z1)/
    (s12*s124*s234*z12) - (s23*s24*s34*z1)/(2*s12*s123*s234*z12) + 
   (s23*s24*s34*z1)/(s12*s124*s234*z12) + (2*s24^2*s34*z1)/(s12^2*s124*z12) + 
   (s24^2*s34*z1)/(s12*s123*s124*z12) + (s13*s24^2*s34*z1)/
    (2*s12^2*s123*s124*z12) - (s24^2*s34*z1)/(2*s12*s124*s134*z12) + 
   (2*s23*s24^2*s34*z1)/(s12^2*s123*s124*z12) + 
   (s24^2*s34*z1)/(s12*s124*s234*z12) + (s23*s34^2*z1)/(s12*s123*s124*z12) + 
   (s14*s23*s34^2*z1)/(s12^2*s123*s124*z12) + 
   (s24*s34^2*z1)/(s12*s123*s124*z12) + (s13*s24*s34^2*z1)/
    (s12^2*s123*s124*z12) + (2*s23*s24*s34^2*z1)/(s12^2*s123*s124*z12) - 
   (2*z1*z2)/z12^2 - (2*s12*z1*z2)/(s123*z12^2) - 
   (2*s12*z1*z2)/(s124*z12^2) - (4*s13*z1*z2)/(s12*z12^2) - 
   (6*s13*z1*z2)/(s123*z12^2) - (4*s13*z1*z2)/(s124*z12^2) - 
   (2*s13^2*z1*z2)/(s12^2*z12^2) - (6*s13^2*z1*z2)/(s12*s123*z12^2) - 
   (2*s13^2*z1*z2)/(s12*s124*z12^2) - (2*s13^3*z1*z2)/(s12^2*s123*z12^2) - 
   (4*s14*z1*z2)/(s12*z12^2) - (4*s14*z1*z2)/(s123*z12^2) - 
   (6*s14*z1*z2)/(s124*z12^2) - (4*s13*s14*z1*z2)/(s12^2*z12^2) - 
   (8*s13*s14*z1*z2)/(s12*s123*z12^2) - (8*s13*s14*z1*z2)/(s12*s124*z12^2) - 
   (4*s13^2*s14*z1*z2)/(s12^2*s123*z12^2) - (2*s13^2*s14*z1*z2)/
    (s12^2*s124*z12^2) - (2*s14^2*z1*z2)/(s12^2*z12^2) - 
   (2*s14^2*z1*z2)/(s12*s123*z12^2) - (6*s14^2*z1*z2)/(s12*s124*z12^2) - 
   (2*s13*s14^2*z1*z2)/(s12^2*s123*z12^2) - (4*s13*s14^2*z1*z2)/
    (s12^2*s124*z12^2) - (2*s14^3*z1*z2)/(s12^2*s124*z12^2) - 
   (4*s23*z1*z2)/(s12*z12^2) - (6*s23*z1*z2)/(s123*z12^2) - 
   (4*s23*z1*z2)/(s124*z12^2) - (4*s13*s23*z1*z2)/(s12^2*z12^2) - 
   (12*s13*s23*z1*z2)/(s12*s123*z12^2) - (4*s13*s23*z1*z2)/(s12*s124*z12^2) - 
   (6*s13^2*s23*z1*z2)/(s12^2*s123*z12^2) - (4*s14*s23*z1*z2)/(s12^2*z12^2) - 
   (8*s14*s23*z1*z2)/(s12*s123*z12^2) - (8*s14*s23*z1*z2)/(s12*s124*z12^2) - 
   (8*s13*s14*s23*z1*z2)/(s12^2*s123*z12^2) - (4*s13*s14*s23*z1*z2)/
    (s12^2*s124*z12^2) - (2*s14^2*s23*z1*z2)/(s12^2*s123*z12^2) - 
   (4*s14^2*s23*z1*z2)/(s12^2*s124*z12^2) - (2*s23^2*z1*z2)/(s12^2*z12^2) - 
   (6*s23^2*z1*z2)/(s12*s123*z12^2) - (2*s23^2*z1*z2)/(s12*s124*z12^2) - 
   (6*s13*s23^2*z1*z2)/(s12^2*s123*z12^2) - (4*s14*s23^2*z1*z2)/
    (s12^2*s123*z12^2) - (2*s14*s23^2*z1*z2)/(s12^2*s124*z12^2) - 
   (2*s23^3*z1*z2)/(s12^2*s123*z12^2) - (4*s24*z1*z2)/(s12*z12^2) - 
   (4*s24*z1*z2)/(s123*z12^2) - (6*s24*z1*z2)/(s124*z12^2) - 
   (4*s13*s24*z1*z2)/(s12^2*z12^2) - (8*s13*s24*z1*z2)/(s12*s123*z12^2) - 
   (8*s13*s24*z1*z2)/(s12*s124*z12^2) - (4*s13^2*s24*z1*z2)/
    (s12^2*s123*z12^2) - (2*s13^2*s24*z1*z2)/(s12^2*s124*z12^2) - 
   (4*s14*s24*z1*z2)/(s12^2*z12^2) - (4*s14*s24*z1*z2)/(s12*s123*z12^2) - 
   (12*s14*s24*z1*z2)/(s12*s124*z12^2) - (4*s13*s14*s24*z1*z2)/
    (s12^2*s123*z12^2) - (8*s13*s14*s24*z1*z2)/(s12^2*s124*z12^2) - 
   (6*s14^2*s24*z1*z2)/(s12^2*s124*z12^2) - (4*s23*s24*z1*z2)/(s12^2*z12^2) - 
   (8*s23*s24*z1*z2)/(s12*s123*z12^2) - (8*s23*s24*z1*z2)/(s12*s124*z12^2) - 
   (8*s13*s23*s24*z1*z2)/(s12^2*s123*z12^2) - (4*s13*s23*s24*z1*z2)/
    (s12^2*s124*z12^2) - (4*s14*s23*s24*z1*z2)/(s12^2*s123*z12^2) - 
   (8*s14*s23*s24*z1*z2)/(s12^2*s124*z12^2) - (4*s23^2*s24*z1*z2)/
    (s12^2*s123*z12^2) - (2*s23^2*s24*z1*z2)/(s12^2*s124*z12^2) - 
   (2*s24^2*z1*z2)/(s12^2*z12^2) - (2*s24^2*z1*z2)/(s12*s123*z12^2) - 
   (6*s24^2*z1*z2)/(s12*s124*z12^2) - (2*s13*s24^2*z1*z2)/
    (s12^2*s123*z12^2) - (4*s13*s24^2*z1*z2)/(s12^2*s124*z12^2) - 
   (6*s14*s24^2*z1*z2)/(s12^2*s124*z12^2) - (2*s23*s24^2*z1*z2)/
    (s12^2*s123*z12^2) - (4*s23*s24^2*z1*z2)/(s12^2*s124*z12^2) - 
   (2*s24^3*z1*z2)/(s12^2*s124*z12^2) - (2*s12*z1*z2)/(s34*z12^2) - 
   (6*s13*z1*z2)/(s34*z12^2) - (6*s13^2*z1*z2)/(s12*s34*z12^2) - 
   (2*s13^3*z1*z2)/(s12^2*s34*z12^2) - (6*s14*z1*z2)/(s34*z12^2) - 
   (12*s13*s14*z1*z2)/(s12*s34*z12^2) - (6*s13^2*s14*z1*z2)/
    (s12^2*s34*z12^2) - (6*s14^2*z1*z2)/(s12*s34*z12^2) - 
   (6*s13*s14^2*z1*z2)/(s12^2*s34*z12^2) - (2*s14^3*z1*z2)/
    (s12^2*s34*z12^2) - (6*s23*z1*z2)/(s34*z12^2) - 
   (12*s13*s23*z1*z2)/(s12*s34*z12^2) - (6*s13^2*s23*z1*z2)/
    (s12^2*s34*z12^2) - (12*s14*s23*z1*z2)/(s12*s34*z12^2) - 
   (12*s13*s14*s23*z1*z2)/(s12^2*s34*z12^2) - (6*s14^2*s23*z1*z2)/
    (s12^2*s34*z12^2) - (6*s23^2*z1*z2)/(s12*s34*z12^2) - 
   (6*s13*s23^2*z1*z2)/(s12^2*s34*z12^2) - (6*s14*s23^2*z1*z2)/
    (s12^2*s34*z12^2) - (2*s23^3*z1*z2)/(s12^2*s34*z12^2) - 
   (6*s24*z1*z2)/(s34*z12^2) - (12*s13*s24*z1*z2)/(s12*s34*z12^2) - 
   (6*s13^2*s24*z1*z2)/(s12^2*s34*z12^2) - (12*s14*s24*z1*z2)/
    (s12*s34*z12^2) - (12*s13*s14*s24*z1*z2)/(s12^2*s34*z12^2) - 
   (6*s14^2*s24*z1*z2)/(s12^2*s34*z12^2) - (12*s23*s24*z1*z2)/
    (s12*s34*z12^2) - (12*s13*s23*s24*z1*z2)/(s12^2*s34*z12^2) - 
   (12*s14*s23*s24*z1*z2)/(s12^2*s34*z12^2) - (6*s23^2*s24*z1*z2)/
    (s12^2*s34*z12^2) - (6*s24^2*z1*z2)/(s12*s34*z12^2) - 
   (6*s13*s24^2*z1*z2)/(s12^2*s34*z12^2) - (6*s14*s24^2*z1*z2)/
    (s12^2*s34*z12^2) - (6*s23*s24^2*z1*z2)/(s12^2*s34*z12^2) - 
   (2*s24^3*z1*z2)/(s12^2*s34*z12^2) - (2*s34*z1*z2)/(s123*z12^2) - 
   (2*s34*z1*z2)/(s124*z12^2) - (2*s12*s34*z1*z2)/(s123*s124*z12^2) - 
   (4*s13*s34*z1*z2)/(s12*s123*z12^2) - (2*s13*s34*z1*z2)/(s12*s124*z12^2) - 
   (4*s13*s34*z1*z2)/(s123*s124*z12^2) - (2*s13^2*s34*z1*z2)/
    (s12^2*s123*z12^2) - (2*s13^2*s34*z1*z2)/(s12*s123*s124*z12^2) - 
   (2*s14*s34*z1*z2)/(s12*s123*z12^2) - (4*s14*s34*z1*z2)/(s12*s124*z12^2) - 
   (4*s14*s34*z1*z2)/(s123*s124*z12^2) - (2*s13*s14*s34*z1*z2)/
    (s12^2*s123*z12^2) - (2*s13*s14*s34*z1*z2)/(s12^2*s124*z12^2) - 
   (6*s13*s14*s34*z1*z2)/(s12*s123*s124*z12^2) - 
   (2*s13^2*s14*s34*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (2*s14^2*s34*z1*z2)/(s12^2*s124*z12^2) - (2*s14^2*s34*z1*z2)/
    (s12*s123*s124*z12^2) - (2*s13*s14^2*s34*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (4*s23*s34*z1*z2)/(s12*s123*z12^2) - (2*s23*s34*z1*z2)/(s12*s124*z12^2) - 
   (4*s23*s34*z1*z2)/(s123*s124*z12^2) - (4*s13*s23*s34*z1*z2)/
    (s12^2*s123*z12^2) - (4*s13*s23*s34*z1*z2)/(s12*s123*s124*z12^2) - 
   (2*s14*s23*s34*z1*z2)/(s12^2*s123*z12^2) - (2*s14*s23*s34*z1*z2)/
    (s12^2*s124*z12^2) - (6*s14*s23*s34*z1*z2)/(s12*s123*s124*z12^2) - 
   (4*s13*s14*s23*s34*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (2*s14^2*s23*s34*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (2*s23^2*s34*z1*z2)/(s12^2*s123*z12^2) - (2*s23^2*s34*z1*z2)/
    (s12*s123*s124*z12^2) - (2*s14*s23^2*s34*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (2*s24*s34*z1*z2)/(s12*s123*z12^2) - (4*s24*s34*z1*z2)/(s12*s124*z12^2) - 
   (4*s24*s34*z1*z2)/(s123*s124*z12^2) - (2*s13*s24*s34*z1*z2)/
    (s12^2*s123*z12^2) - (2*s13*s24*s34*z1*z2)/(s12^2*s124*z12^2) - 
   (6*s13*s24*s34*z1*z2)/(s12*s123*s124*z12^2) - 
   (2*s13^2*s24*s34*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (4*s14*s24*s34*z1*z2)/(s12^2*s124*z12^2) - (4*s14*s24*s34*z1*z2)/
    (s12*s123*s124*z12^2) - (4*s13*s14*s24*s34*z1*z2)/
    (s12^2*s123*s124*z12^2) - (2*s23*s24*s34*z1*z2)/(s12^2*s123*z12^2) - 
   (2*s23*s24*s34*z1*z2)/(s12^2*s124*z12^2) - (6*s23*s24*s34*z1*z2)/
    (s12*s123*s124*z12^2) - (4*s13*s23*s24*s34*z1*z2)/
    (s12^2*s123*s124*z12^2) - (4*s14*s23*s24*s34*z1*z2)/
    (s12^2*s123*s124*z12^2) - (2*s23^2*s24*s34*z1*z2)/
    (s12^2*s123*s124*z12^2) - (2*s24^2*s34*z1*z2)/(s12^2*s124*z12^2) - 
   (2*s24^2*s34*z1*z2)/(s12*s123*s124*z12^2) - (2*s13*s24^2*s34*z1*z2)/
    (s12^2*s123*s124*z12^2) - (2*s23*s24^2*s34*z1*z2)/
    (s12^2*s123*s124*z12^2) - (2*s34^2*z1*z2)/(s123*s124*z12^2) - 
   (2*s13*s34^2*z1*z2)/(s12*s123*s124*z12^2) - (2*s14*s34^2*z1*z2)/
    (s12*s123*s124*z12^2) - (2*s13*s14*s34^2*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (2*s23*s34^2*z1*z2)/(s12*s123*s124*z12^2) - (2*s14*s23*s34^2*z1*z2)/
    (s12^2*s123*s124*z12^2) - (2*s24*s34^2*z1*z2)/(s12*s123*s124*z12^2) - 
   (2*s13*s24*s34^2*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (2*s23*s24*s34^2*z1*z2)/(s12^2*s123*s124*z12^2) + (2*s13*z2)/(s12*z12) + 
   (2*s13*z2)/(s123*z12) + (s13*z2)/(s124*z12) + (2*s13^2*z2)/(s12^2*z12) + 
   (4*s13^2*z2)/(s12*s123*z12) + (s13^2*z2)/(s12*s124*z12) + 
   (2*s13^3*z2)/(s12^2*s123*z12) + (s13*z2)/(2*s134*z12) + 
   (s12*s13*z2)/(s123*s134*z12) - (s12*s13*z2)/(2*s124*s134*z12) + 
   (s13^2*z2)/(2*s12*s134*z12) + (2*s13^2*z2)/(s123*s134*z12) - 
   (s13^2*z2)/(2*s124*s134*z12) + (s13^3*z2)/(s12*s123*s134*z12) + 
   (2*s14*z2)/(s12*z12) + (s14*z2)/(s123*z12) + (2*s14*z2)/(s124*z12) + 
   (4*s13*s14*z2)/(s12^2*z12) + (5*s13*s14*z2)/(s12*s123*z12) + 
   (5*s13*s14*z2)/(s12*s124*z12) + (4*s13^2*s14*z2)/(s12^2*s123*z12) + 
   (2*s13^2*s14*z2)/(s12^2*s124*z12) + (s14*z2)/(2*s134*z12) + 
   (s12*s14*z2)/(s123*s134*z12) - (s12*s14*z2)/(2*s124*s134*z12) + 
   (s13*s14*z2)/(s12*s134*z12) + (3*s13*s14*z2)/(s123*s134*z12) - 
   (3*s13*s14*z2)/(2*s124*s134*z12) + (2*s13^2*s14*z2)/(s12*s123*s134*z12) - 
   (s13^2*s14*z2)/(2*s12*s124*s134*z12) + (2*s14^2*z2)/(s12^2*z12) + 
   (s14^2*z2)/(s12*s123*z12) + (4*s14^2*z2)/(s12*s124*z12) + 
   (2*s13*s14^2*z2)/(s12^2*s123*z12) + (4*s13*s14^2*z2)/(s12^2*s124*z12) + 
   (s14^2*z2)/(2*s12*s134*z12) + (s14^2*z2)/(s123*s134*z12) - 
   (s14^2*z2)/(s124*s134*z12) + (s13*s14^2*z2)/(s12*s123*s134*z12) - 
   (s13*s14^2*z2)/(s12*s124*s134*z12) + (2*s14^3*z2)/(s12^2*s124*z12) - 
   (s14^3*z2)/(2*s12*s124*s134*z12) + (2*s13*s23*z2)/(s12^2*z12) + 
   (4*s13*s23*z2)/(s12*s123*z12) + (s13*s23*z2)/(s12*s124*z12) + 
   (4*s13^2*s23*z2)/(s12^2*s123*z12) + (s13*s23*z2)/(2*s12*s134*z12) + 
   (2*s13*s23*z2)/(s123*s134*z12) - (s13*s23*z2)/(2*s124*s134*z12) + 
   (2*s13^2*s23*z2)/(s12*s123*s134*z12) + (2*s14*s23*z2)/(s12^2*z12) + 
   (3*s14*s23*z2)/(2*s12*s123*z12) + (7*s14*s23*z2)/(2*s12*s124*z12) + 
   (9*s13*s14*s23*z2)/(2*s12^2*s123*z12) + (7*s13*s14*s23*z2)/
    (2*s12^2*s124*z12) + (s13*s14*s23*z2)/(2*s12*s123*s124*z12) + 
   (s13^2*s14*s23*z2)/(2*s12^2*s123*s124*z12) + 
   (s14*s23*z2)/(2*s12*s134*z12) + (2*s14*s23*z2)/(s123*s134*z12) - 
   (s14*s23*z2)/(2*s124*s134*z12) + (3*s13*s14*s23*z2)/(s12*s123*s134*z12) - 
   (s13*s14*s23*z2)/(2*s12*s124*s134*z12) + 
   (s14^2*s23*z2)/(2*s12^2*s123*z12) + (7*s14^2*s23*z2)/(2*s12^2*s124*z12) - 
   (s14^2*s23*z2)/(2*s12*s123*s124*z12) + (s14^2*s23*z2)/
    (s12*s123*s134*z12) - (s14^2*s23*z2)/(2*s12*s124*s134*z12) - 
   (s14^3*s23*z2)/(2*s12^2*s123*s124*z12) + (2*s13*s23^2*z2)/
    (s12^2*s123*z12) + (s13*s23^2*z2)/(s12*s123*s134*z12) + 
   (s14*s23^2*z2)/(2*s12^2*s123*z12) + (3*s14*s23^2*z2)/(2*s12^2*s124*z12) + 
   (s14*s23^2*z2)/(2*s12*s123*s124*z12) + (s13*s14*s23^2*z2)/
    (s12^2*s123*s124*z12) + (s14*s23^2*z2)/(s12*s123*s134*z12) + 
   (s14*s23^3*z2)/(2*s12^2*s123*s124*z12) + (s13*z2)/(2*s234*z12) - 
   (s12*s13*z2)/(2*s123*s234*z12) + (s12*s13*z2)/(s124*s234*z12) + 
   (s13^2*z2)/(2*s12*s234*z12) - (s13^2*z2)/(s123*s234*z12) + 
   (s13^2*z2)/(s124*s234*z12) - (s13^3*z2)/(2*s12*s123*s234*z12) + 
   (s14*z2)/(2*s234*z12) - (s12*s14*z2)/(2*s123*s234*z12) + 
   (s12*s14*z2)/(s124*s234*z12) + (s13*s14*z2)/(s12*s234*z12) - 
   (3*s13*s14*z2)/(2*s123*s234*z12) + (3*s13*s14*z2)/(s124*s234*z12) - 
   (s13^2*s14*z2)/(s12*s123*s234*z12) + (s13^2*s14*z2)/(s12*s124*s234*z12) + 
   (s14^2*z2)/(2*s12*s234*z12) - (s14^2*z2)/(2*s123*s234*z12) + 
   (2*s14^2*z2)/(s124*s234*z12) - (s13*s14^2*z2)/(2*s12*s123*s234*z12) + 
   (2*s13*s14^2*z2)/(s12*s124*s234*z12) + (s14^3*z2)/(s12*s124*s234*z12) + 
   (s13*s23*z2)/(2*s12*s234*z12) - (s13*s23*z2)/(s123*s234*z12) + 
   (s13*s23*z2)/(s124*s234*z12) - (s13^2*s23*z2)/(s12*s123*s234*z12) + 
   (s14*s23*z2)/(2*s12*s234*z12) - (s14*s23*z2)/(s123*s234*z12) + 
   (s14*s23*z2)/(s124*s234*z12) - (3*s13*s14*s23*z2)/(2*s12*s123*s234*z12) + 
   (s13*s14*s23*z2)/(s12*s124*s234*z12) - (s14^2*s23*z2)/
    (2*s12*s123*s234*z12) + (s14^2*s23*z2)/(s12*s124*s234*z12) - 
   (s13*s23^2*z2)/(2*s12*s123*s234*z12) - (s14*s23^2*z2)/
    (2*s12*s123*s234*z12) + (2*s13*s24*z2)/(s12^2*z12) + 
   (7*s13*s24*z2)/(2*s12*s123*z12) + (3*s13*s24*z2)/(2*s12*s124*z12) + 
   (7*s13^2*s24*z2)/(2*s12^2*s123*z12) + (s13^2*s24*z2)/(2*s12^2*s124*z12) - 
   (s13^2*s24*z2)/(2*s12*s123*s124*z12) - (s13^3*s24*z2)/
    (2*s12^2*s123*s124*z12) + (s13*s24*z2)/(2*s12*s134*z12) + 
   (s13*s24*z2)/(s123*s134*z12) - (s13*s24*z2)/(s124*s134*z12) + 
   (s13^2*s24*z2)/(s12*s123*s134*z12) - (s13^2*s24*z2)/
    (2*s12*s124*s134*z12) + (2*s14*s24*z2)/(s12^2*z12) + 
   (s14*s24*z2)/(s12*s123*z12) + (4*s14*s24*z2)/(s12*s124*z12) + 
   (7*s13*s14*s24*z2)/(2*s12^2*s123*z12) + (9*s13*s14*s24*z2)/
    (2*s12^2*s124*z12) + (s13*s14*s24*z2)/(2*s12*s123*s124*z12) + 
   (s14*s24*z2)/(2*s12*s134*z12) + (s14*s24*z2)/(s123*s134*z12) - 
   (s14*s24*z2)/(s124*s134*z12) + (s13*s14*s24*z2)/(s12*s123*s134*z12) - 
   (3*s13*s14*s24*z2)/(2*s12*s124*s134*z12) + 
   (4*s14^2*s24*z2)/(s12^2*s124*z12) + (s13*s14^2*s24*z2)/
    (2*s12^2*s123*s124*z12) - (s14^2*s24*z2)/(s12*s124*s134*z12) + 
   (7*s13*s23*s24*z2)/(2*s12^2*s123*z12) + (s13*s23*s24*z2)/
    (2*s12^2*s124*z12) - (s13*s23*s24*z2)/(2*s12*s123*s124*z12) - 
   (s13^2*s23*s24*z2)/(s12^2*s123*s124*z12) + 
   (s13*s23*s24*z2)/(s12*s123*s134*z12) - (s13*s23*s24*z2)/
    (2*s12*s124*s134*z12) + (s14*s23*s24*z2)/(2*s12^2*s123*z12) + 
   (7*s14*s23*s24*z2)/(2*s12^2*s124*z12) - (s14*s23*s24*z2)/
    (2*s12*s123*s124*z12) + (s14*s23*s24*z2)/(s12*s123*s134*z12) - 
   (s14*s23*s24*z2)/(2*s12*s124*s134*z12) - (s14^2*s23*s24*z2)/
    (s12^2*s123*s124*z12) - (s13*s23^2*s24*z2)/(2*s12^2*s123*s124*z12) + 
   (s13*s24*z2)/(2*s12*s234*z12) - (s13*s24*z2)/(2*s123*s234*z12) + 
   (2*s13*s24*z2)/(s124*s234*z12) - (s13^2*s24*z2)/(2*s12*s123*s234*z12) + 
   (s13^2*s24*z2)/(s12*s124*s234*z12) + (s14*s24*z2)/(2*s12*s234*z12) - 
   (s14*s24*z2)/(2*s123*s234*z12) + (2*s14*s24*z2)/(s124*s234*z12) - 
   (s13*s14*s24*z2)/(2*s12*s123*s234*z12) + (3*s13*s14*s24*z2)/
    (s12*s124*s234*z12) + (2*s14^2*s24*z2)/(s12*s124*s234*z12) - 
   (s13*s23*s24*z2)/(2*s12*s123*s234*z12) + (s13*s23*s24*z2)/
    (s12*s124*s234*z12) - (s14*s23*s24*z2)/(2*s12*s123*s234*z12) + 
   (s14*s23*s24*z2)/(s12*s124*s234*z12) + (3*s13*s24^2*z2)/
    (2*s12^2*s123*z12) + (s13*s24^2*z2)/(2*s12^2*s124*z12) + 
   (s13*s24^2*z2)/(2*s12*s123*s124*z12) - (s13*s24^2*z2)/
    (2*s12*s124*s134*z12) + (2*s14*s24^2*z2)/(s12^2*s124*z12) + 
   (s13*s14*s24^2*z2)/(s12^2*s123*s124*z12) - 
   (s14*s24^2*z2)/(2*s12*s124*s134*z12) - (s14*s23*s24^2*z2)/
    (2*s12^2*s123*s124*z12) + (s13*s24^2*z2)/(s12*s124*s234*z12) + 
   (s14*s24^2*z2)/(s12*s124*s234*z12) + (s13*s24^3*z2)/
    (2*s12^2*s123*s124*z12) + (2*s13*z2)/(s34*z12) + 
   (4*s13^2*z2)/(s12*s34*z12) + (2*s13^3*z2)/(s12^2*s34*z12) + 
   (s12*s13*z2)/(2*s134*s34*z12) + (s13^2*z2)/(s134*s34*z12) + 
   (s13^3*z2)/(2*s12*s134*s34*z12) + (2*s14*z2)/(s34*z12) + 
   (8*s13*s14*z2)/(s12*s34*z12) + (6*s13^2*s14*z2)/(s12^2*s34*z12) + 
   (s12*s14*z2)/(2*s134*s34*z12) + (2*s13*s14*z2)/(s134*s34*z12) + 
   (3*s13^2*s14*z2)/(2*s12*s134*s34*z12) + (4*s14^2*z2)/(s12*s34*z12) + 
   (6*s13*s14^2*z2)/(s12^2*s34*z12) + (s14^2*z2)/(s134*s34*z12) + 
   (3*s13*s14^2*z2)/(2*s12*s134*s34*z12) + (2*s14^3*z2)/(s12^2*s34*z12) + 
   (s14^3*z2)/(2*s12*s134*s34*z12) + (4*s13*s23*z2)/(s12*s34*z12) + 
   (4*s13^2*s23*z2)/(s12^2*s34*z12) + (s13*s23*z2)/(s134*s34*z12) + 
   (s13^2*s23*z2)/(s12*s134*s34*z12) + (4*s14*s23*z2)/(s12*s34*z12) - 
   (s14*s23*z2)/(2*s123*s34*z12) + (s14*s23*z2)/(2*s124*s34*z12) + 
   (8*s13*s14*s23*z2)/(s12^2*s34*z12) - (s13*s14*s23*z2)/(s12*s123*s34*z12) + 
   (s13*s14*s23*z2)/(s12*s124*s34*z12) - (s13^2*s14*s23*z2)/
    (2*s12^2*s123*s34*z12) + (s13^2*s14*s23*z2)/(2*s12^2*s124*s34*z12) + 
   (s14*s23*z2)/(s134*s34*z12) + (2*s13*s14*s23*z2)/(s12*s134*s34*z12) + 
   (4*s14^2*s23*z2)/(s12^2*s34*z12) - (s14^2*s23*z2)/(s12*s123*s34*z12) + 
   (s14^2*s23*z2)/(s12*s124*s34*z12) - (s13*s14^2*s23*z2)/
    (s12^2*s123*s34*z12) + (s13*s14^2*s23*z2)/(s12^2*s124*s34*z12) + 
   (s14^2*s23*z2)/(s12*s134*s34*z12) - (s14^3*s23*z2)/
    (2*s12^2*s123*s34*z12) + (s14^3*s23*z2)/(2*s12^2*s124*s34*z12) + 
   (2*s13*s23^2*z2)/(s12^2*s34*z12) + (s13*s23^2*z2)/(2*s12*s134*s34*z12) + 
   (2*s14*s23^2*z2)/(s12^2*s34*z12) - (s14*s23^2*z2)/(s12*s123*s34*z12) + 
   (s14*s23^2*z2)/(s12*s124*s34*z12) - (s13*s14*s23^2*z2)/
    (s12^2*s123*s34*z12) + (s13*s14*s23^2*z2)/(s12^2*s124*s34*z12) + 
   (s14*s23^2*z2)/(2*s12*s134*s34*z12) - (s14^2*s23^2*z2)/
    (s12^2*s123*s34*z12) + (s14^2*s23^2*z2)/(s12^2*s124*s34*z12) - 
   (s14*s23^3*z2)/(2*s12^2*s123*s34*z12) + 
   (s14*s23^3*z2)/(2*s12^2*s124*s34*z12) + (s12*s13*z2)/(2*s234*s34*z12) + 
   (s13^2*z2)/(s234*s34*z12) + (s13^3*z2)/(2*s12*s234*s34*z12) + 
   (s12*s14*z2)/(2*s234*s34*z12) + (2*s13*s14*z2)/(s234*s34*z12) + 
   (3*s13^2*s14*z2)/(2*s12*s234*s34*z12) + (s14^2*z2)/(s234*s34*z12) + 
   (3*s13*s14^2*z2)/(2*s12*s234*s34*z12) + (s14^3*z2)/(2*s12*s234*s34*z12) + 
   (s13*s23*z2)/(s234*s34*z12) + (s13^2*s23*z2)/(s12*s234*s34*z12) + 
   (s14*s23*z2)/(s234*s34*z12) + (2*s13*s14*s23*z2)/(s12*s234*s34*z12) + 
   (s14^2*s23*z2)/(s12*s234*s34*z12) + (s13*s23^2*z2)/(2*s12*s234*s34*z12) + 
   (s14*s23^2*z2)/(2*s12*s234*s34*z12) + (4*s13*s24*z2)/(s12*s34*z12) + 
   (s13*s24*z2)/(2*s123*s34*z12) - (s13*s24*z2)/(2*s124*s34*z12) + 
   (4*s13^2*s24*z2)/(s12^2*s34*z12) + (s13^2*s24*z2)/(s12*s123*s34*z12) - 
   (s13^2*s24*z2)/(s12*s124*s34*z12) + (s13^3*s24*z2)/
    (2*s12^2*s123*s34*z12) - (s13^3*s24*z2)/(2*s12^2*s124*s34*z12) + 
   (s13*s24*z2)/(s134*s34*z12) + (s13^2*s24*z2)/(s12*s134*s34*z12) + 
   (4*s14*s24*z2)/(s12*s34*z12) + (8*s13*s14*s24*z2)/(s12^2*s34*z12) + 
   (s13*s14*s24*z2)/(s12*s123*s34*z12) - (s13*s14*s24*z2)/
    (s12*s124*s34*z12) + (s13^2*s14*s24*z2)/(s12^2*s123*s34*z12) - 
   (s13^2*s14*s24*z2)/(s12^2*s124*s34*z12) + (s14*s24*z2)/(s134*s34*z12) + 
   (2*s13*s14*s24*z2)/(s12*s134*s34*z12) + (4*s14^2*s24*z2)/(s12^2*s34*z12) + 
   (s13*s14^2*s24*z2)/(2*s12^2*s123*s34*z12) - 
   (s13*s14^2*s24*z2)/(2*s12^2*s124*s34*z12) + 
   (s14^2*s24*z2)/(s12*s134*s34*z12) + (4*s13*s23*s24*z2)/(s12^2*s34*z12) + 
   (s13*s23*s24*z2)/(s12*s123*s34*z12) - (s13*s23*s24*z2)/
    (s12*s124*s34*z12) + (s13^2*s23*s24*z2)/(s12^2*s123*s34*z12) - 
   (s13^2*s23*s24*z2)/(s12^2*s124*s34*z12) + (s13*s23*s24*z2)/
    (s12*s134*s34*z12) + (4*s14*s23*s24*z2)/(s12^2*s34*z12) - 
   (s14*s23*s24*z2)/(s12*s123*s34*z12) + (s14*s23*s24*z2)/
    (s12*s124*s34*z12) + (s14*s23*s24*z2)/(s12*s134*s34*z12) - 
   (s14^2*s23*s24*z2)/(s12^2*s123*s34*z12) + (s14^2*s23*s24*z2)/
    (s12^2*s124*s34*z12) + (s13*s23^2*s24*z2)/(2*s12^2*s123*s34*z12) - 
   (s13*s23^2*s24*z2)/(2*s12^2*s124*s34*z12) - 
   (s14*s23^2*s24*z2)/(s12^2*s123*s34*z12) + (s14*s23^2*s24*z2)/
    (s12^2*s124*s34*z12) + (s13*s24*z2)/(s234*s34*z12) + 
   (s13^2*s24*z2)/(s12*s234*s34*z12) + (s14*s24*z2)/(s234*s34*z12) + 
   (2*s13*s14*s24*z2)/(s12*s234*s34*z12) + 
   (s14^2*s24*z2)/(s12*s234*s34*z12) + (s13*s23*s24*z2)/(s12*s234*s34*z12) + 
   (s14*s23*s24*z2)/(s12*s234*s34*z12) + (2*s13*s24^2*z2)/(s12^2*s34*z12) + 
   (s13*s24^2*z2)/(s12*s123*s34*z12) - (s13*s24^2*z2)/(s12*s124*s34*z12) + 
   (s13^2*s24^2*z2)/(s12^2*s123*s34*z12) - (s13^2*s24^2*z2)/
    (s12^2*s124*s34*z12) + (s13*s24^2*z2)/(2*s12*s134*s34*z12) + 
   (2*s14*s24^2*z2)/(s12^2*s34*z12) + (s13*s14*s24^2*z2)/
    (s12^2*s123*s34*z12) - (s13*s14*s24^2*z2)/(s12^2*s124*s34*z12) + 
   (s14*s24^2*z2)/(2*s12*s134*s34*z12) + (s13*s23*s24^2*z2)/
    (s12^2*s123*s34*z12) - (s13*s23*s24^2*z2)/(s12^2*s124*s34*z12) - 
   (s14*s23*s24^2*z2)/(2*s12^2*s123*s34*z12) + 
   (s14*s23*s24^2*z2)/(2*s12^2*s124*s34*z12) + 
   (s13*s24^2*z2)/(2*s12*s234*s34*z12) + (s14*s24^2*z2)/
    (2*s12*s234*s34*z12) + (s13*s24^3*z2)/(2*s12^2*s123*s34*z12) - 
   (s13*s24^3*z2)/(2*s12^2*s124*s34*z12) + (2*s13*s34*z2)/(s12*s123*z12) + 
   (s13*s34*z2)/(s12*s124*z12) + (s13*s34*z2)/(s123*s124*z12) + 
   (2*s13^2*s34*z2)/(s12^2*s123*z12) + (s13^2*s34*z2)/(s12*s123*s124*z12) + 
   (s13*s34*z2)/(s123*s134*z12) - (s13*s34*z2)/(2*s124*s134*z12) + 
   (s13^2*s34*z2)/(s12*s123*s134*z12) + (s14*s34*z2)/(s12*s123*z12) + 
   (2*s14*s34*z2)/(s12*s124*z12) + (s14*s34*z2)/(s123*s124*z12) + 
   (2*s13*s14*s34*z2)/(s12^2*s123*z12) + (2*s13*s14*s34*z2)/
    (s12^2*s124*z12) + (4*s13*s14*s34*z2)/(s12*s123*s124*z12) + 
   (2*s13^2*s14*s34*z2)/(s12^2*s123*s124*z12) + 
   (s14*s34*z2)/(s123*s134*z12) - (s14*s34*z2)/(2*s124*s134*z12) + 
   (s13*s14*s34*z2)/(s12*s123*s134*z12) - (s13*s14*s34*z2)/
    (2*s12*s124*s134*z12) + (2*s14^2*s34*z2)/(s12^2*s124*z12) + 
   (s14^2*s34*z2)/(s12*s123*s124*z12) + (2*s13*s14^2*s34*z2)/
    (s12^2*s123*s124*z12) - (s14^2*s34*z2)/(2*s12*s124*s134*z12) + 
   (2*s13*s23*s34*z2)/(s12^2*s123*z12) + (s13*s23*s34*z2)/
    (s12*s123*s124*z12) + (s13*s23*s34*z2)/(s12*s123*s134*z12) + 
   (s14*s23*s34*z2)/(s12^2*s123*z12) + (s14*s23*s34*z2)/(s12^2*s124*z12) + 
   (2*s14*s23*s34*z2)/(s12*s123*s124*z12) + (7*s13*s14*s23*s34*z2)/
    (2*s12^2*s123*s124*z12) + (s14*s23*s34*z2)/(s12*s123*s134*z12) + 
   (s14^2*s23*s34*z2)/(2*s12^2*s123*s124*z12) + 
   (3*s14*s23^2*s34*z2)/(2*s12^2*s123*s124*z12) - 
   (s13*s34*z2)/(2*s123*s234*z12) + (s13*s34*z2)/(s124*s234*z12) - 
   (s13^2*s34*z2)/(2*s12*s123*s234*z12) - (s14*s34*z2)/(2*s123*s234*z12) + 
   (s14*s34*z2)/(s124*s234*z12) - (s13*s14*s34*z2)/(2*s12*s123*s234*z12) + 
   (s13*s14*s34*z2)/(s12*s124*s234*z12) + (s14^2*s34*z2)/
    (s12*s124*s234*z12) - (s13*s23*s34*z2)/(2*s12*s123*s234*z12) - 
   (s14*s23*s34*z2)/(2*s12*s123*s234*z12) + (s13*s24*s34*z2)/
    (s12^2*s123*z12) + (s13*s24*s34*z2)/(s12^2*s124*z12) + 
   (2*s13*s24*s34*z2)/(s12*s123*s124*z12) + (s13^2*s24*s34*z2)/
    (2*s12^2*s123*s124*z12) - (s13*s24*s34*z2)/(2*s12*s124*s134*z12) + 
   (2*s14*s24*s34*z2)/(s12^2*s124*z12) + (s14*s24*s34*z2)/
    (s12*s123*s124*z12) + (7*s13*s14*s24*s34*z2)/(2*s12^2*s123*s124*z12) - 
   (s14*s24*s34*z2)/(2*s12*s124*s134*z12) + (s13*s23*s24*s34*z2)/
    (2*s12^2*s123*s124*z12) + (s14*s23*s24*s34*z2)/(2*s12^2*s123*s124*z12) + 
   (s13*s24*s34*z2)/(s12*s124*s234*z12) + (s14*s24*s34*z2)/
    (s12*s124*s234*z12) + (3*s13*s24^2*s34*z2)/(2*s12^2*s123*s124*z12) + 
   (s13*s34^2*z2)/(s12*s123*s124*z12) + (s14*s34^2*z2)/(s12*s123*s124*z12) + 
   (2*s13*s14*s34^2*z2)/(s12^2*s123*s124*z12) + 
   (s14*s23*s34^2*z2)/(s12^2*s123*s124*z12) + (s13*s24*s34^2*z2)/
    (s12^2*s123*s124*z12) - (2*z3)/z12 - (2*s12*z3)/(s123*z12) - 
   (s12*z3)/(s124*z12) - (2*s13*z3)/(s12*z12) - (4*s13*z3)/(s123*z12) - 
   (s13*z3)/(s124*z12) - (2*s13^2*z3)/(s12*s123*z12) - 
   (s12*z3)/(2*s134*z12) - (s12^2*z3)/(s123*s134*z12) + 
   (s12^2*z3)/(2*s124*s134*z12) - (s13*z3)/(2*s134*z12) - 
   (2*s12*s13*z3)/(s123*s134*z12) + (s12*s13*z3)/(2*s124*s134*z12) - 
   (s13^2*z3)/(s123*s134*z12) - (2*s14*z3)/(s12*z12) - 
   (7*s14*z3)/(2*s123*z12) - (3*s14*z3)/(2*s124*z12) - 
   (7*s13*s14*z3)/(2*s12*s123*z12) - (s13*s14*z3)/(2*s12*s124*z12) + 
   (s13*s14*z3)/(2*s123*s124*z12) + (s13^2*s14*z3)/(2*s12*s123*s124*z12) - 
   (s14*z3)/(2*s134*z12) - (s12*s14*z3)/(s123*s134*z12) + 
   (s12*s14*z3)/(s124*s134*z12) - (s13*s14*z3)/(s123*s134*z12) + 
   (s13*s14*z3)/(2*s124*s134*z12) - (3*s14^2*z3)/(2*s12*s123*z12) - 
   (s14^2*z3)/(2*s12*s124*z12) - (s14^2*z3)/(2*s123*s124*z12) + 
   (s14^2*z3)/(2*s124*s134*z12) - (s14^3*z3)/(2*s12*s123*s124*z12) - 
   (2*s23*z3)/(s12*z12) - (4*s23*z3)/(s123*z12) - (s23*z3)/(s124*z12) - 
   (4*s13*s23*z3)/(s12*s123*z12) - (s23*z3)/(2*s134*z12) - 
   (2*s12*s23*z3)/(s123*s134*z12) + (s12*s23*z3)/(2*s124*s134*z12) - 
   (2*s13*s23*z3)/(s123*s134*z12) - (7*s14*s23*z3)/(2*s12*s123*z12) - 
   (s14*s23*z3)/(2*s12*s124*z12) + (s14*s23*z3)/(2*s123*s124*z12) + 
   (s13*s14*s23*z3)/(s12*s123*s124*z12) - (s14*s23*z3)/(s123*s134*z12) + 
   (s14*s23*z3)/(2*s124*s134*z12) - (2*s23^2*z3)/(s12*s123*z12) - 
   (s23^2*z3)/(s123*s134*z12) + (s14*s23^2*z3)/(2*s12*s123*s124*z12) - 
   (s12*z3)/(2*s234*z12) + (s12^2*z3)/(2*s123*s234*z12) - 
   (s12^2*z3)/(s124*s234*z12) - (s13*z3)/(2*s234*z12) + 
   (s12*s13*z3)/(s123*s234*z12) - (s12*s13*z3)/(s124*s234*z12) + 
   (s13^2*z3)/(2*s123*s234*z12) - (s14*z3)/(2*s234*z12) + 
   (s12*s14*z3)/(2*s123*s234*z12) - (2*s12*s14*z3)/(s124*s234*z12) + 
   (s13*s14*z3)/(2*s123*s234*z12) - (s13*s14*z3)/(s124*s234*z12) - 
   (s14^2*z3)/(s124*s234*z12) - (s23*z3)/(2*s234*z12) + 
   (s12*s23*z3)/(s123*s234*z12) - (s12*s23*z3)/(s124*s234*z12) + 
   (s13*s23*z3)/(s123*s234*z12) + (s14*s23*z3)/(2*s123*s234*z12) - 
   (s14*s23*z3)/(s124*s234*z12) + (s23^2*z3)/(2*s123*s234*z12) - 
   (2*s24*z3)/(s12*z12) - (7*s24*z3)/(2*s123*z12) - (3*s24*z3)/(2*s124*z12) - 
   (7*s13*s24*z3)/(2*s12*s123*z12) - (s13*s24*z3)/(2*s12*s124*z12) + 
   (s13*s24*z3)/(2*s123*s124*z12) + (s13^2*s24*z3)/(2*s12*s123*s124*z12) - 
   (s24*z3)/(2*s134*z12) - (s12*s24*z3)/(s123*s134*z12) + 
   (s12*s24*z3)/(s124*s134*z12) - (s13*s24*z3)/(s123*s134*z12) + 
   (s13*s24*z3)/(2*s124*s134*z12) - (3*s14*s24*z3)/(s12*s123*z12) - 
   (s14*s24*z3)/(s12*s124*z12) - (s14*s24*z3)/(s123*s124*z12) + 
   (s14*s24*z3)/(s124*s134*z12) - (3*s14^2*s24*z3)/(2*s12*s123*s124*z12) - 
   (7*s23*s24*z3)/(2*s12*s123*z12) - (s23*s24*z3)/(2*s12*s124*z12) + 
   (s23*s24*z3)/(2*s123*s124*z12) + (s13*s23*s24*z3)/(s12*s123*s124*z12) - 
   (s23*s24*z3)/(s123*s134*z12) + (s23*s24*z3)/(2*s124*s134*z12) + 
   (s23^2*s24*z3)/(2*s12*s123*s124*z12) - (s24*z3)/(2*s234*z12) + 
   (s12*s24*z3)/(2*s123*s234*z12) - (2*s12*s24*z3)/(s124*s234*z12) + 
   (s13*s24*z3)/(2*s123*s234*z12) - (s13*s24*z3)/(s124*s234*z12) - 
   (2*s14*s24*z3)/(s124*s234*z12) + (s23*s24*z3)/(2*s123*s234*z12) - 
   (s23*s24*z3)/(s124*s234*z12) - (3*s24^2*z3)/(2*s12*s123*z12) - 
   (s24^2*z3)/(2*s12*s124*z12) - (s24^2*z3)/(2*s123*s124*z12) + 
   (s24^2*z3)/(2*s124*s134*z12) - (3*s14*s24^2*z3)/(2*s12*s123*s124*z12) - 
   (s24^2*z3)/(s124*s234*z12) - (s24^3*z3)/(2*s12*s123*s124*z12) - 
   (2*s12*z3)/(s34*z12) - (4*s13*z3)/(s34*z12) - (2*s13^2*z3)/(s12*s34*z12) - 
   (s12^2*z3)/(2*s134*s34*z12) - (s12*s13*z3)/(s134*s34*z12) - 
   (s13^2*z3)/(2*s134*s34*z12) - (4*s14*z3)/(s34*z12) - 
   (s12*s14*z3)/(2*s123*s34*z12) + (s12*s14*z3)/(2*s124*s34*z12) - 
   (4*s13*s14*z3)/(s12*s34*z12) - (s13*s14*z3)/(s123*s34*z12) + 
   (s13*s14*z3)/(s124*s34*z12) - (s13^2*s14*z3)/(2*s12*s123*s34*z12) + 
   (s13^2*s14*z3)/(2*s12*s124*s34*z12) - (s12*s14*z3)/(s134*s34*z12) - 
   (s13*s14*z3)/(s134*s34*z12) - (2*s14^2*z3)/(s12*s34*z12) - 
   (s14^2*z3)/(s123*s34*z12) + (s14^2*z3)/(s124*s34*z12) - 
   (s13*s14^2*z3)/(s12*s123*s34*z12) + (s13*s14^2*z3)/(s12*s124*s34*z12) - 
   (s14^2*z3)/(2*s134*s34*z12) - (s14^3*z3)/(2*s12*s123*s34*z12) + 
   (s14^3*z3)/(2*s12*s124*s34*z12) - (4*s23*z3)/(s34*z12) - 
   (4*s13*s23*z3)/(s12*s34*z12) - (s12*s23*z3)/(s134*s34*z12) - 
   (s13*s23*z3)/(s134*s34*z12) - (4*s14*s23*z3)/(s12*s34*z12) - 
   (s14*s23*z3)/(s123*s34*z12) + (s14*s23*z3)/(s124*s34*z12) - 
   (s13*s14*s23*z3)/(s12*s123*s34*z12) + (s13*s14*s23*z3)/
    (s12*s124*s34*z12) - (s14*s23*z3)/(s134*s34*z12) - 
   (s14^2*s23*z3)/(s12*s123*s34*z12) + (s14^2*s23*z3)/(s12*s124*s34*z12) - 
   (2*s23^2*z3)/(s12*s34*z12) - (s23^2*z3)/(2*s134*s34*z12) - 
   (s14*s23^2*z3)/(2*s12*s123*s34*z12) + (s14*s23^2*z3)/
    (2*s12*s124*s34*z12) - (s12^2*z3)/(2*s234*s34*z12) - 
   (s12*s13*z3)/(s234*s34*z12) - (s13^2*z3)/(2*s234*s34*z12) - 
   (s12*s14*z3)/(s234*s34*z12) - (s13*s14*z3)/(s234*s34*z12) - 
   (s14^2*z3)/(2*s234*s34*z12) - (s12*s23*z3)/(s234*s34*z12) - 
   (s13*s23*z3)/(s234*s34*z12) - (s14*s23*z3)/(s234*s34*z12) - 
   (s23^2*z3)/(2*s234*s34*z12) - (4*s24*z3)/(s34*z12) - 
   (s12*s24*z3)/(2*s123*s34*z12) + (s12*s24*z3)/(2*s124*s34*z12) - 
   (4*s13*s24*z3)/(s12*s34*z12) - (s13*s24*z3)/(s123*s34*z12) + 
   (s13*s24*z3)/(s124*s34*z12) - (s13^2*s24*z3)/(2*s12*s123*s34*z12) + 
   (s13^2*s24*z3)/(2*s12*s124*s34*z12) - (s12*s24*z3)/(s134*s34*z12) - 
   (s13*s24*z3)/(s134*s34*z12) - (4*s14*s24*z3)/(s12*s34*z12) - 
   (2*s14*s24*z3)/(s123*s34*z12) + (2*s14*s24*z3)/(s124*s34*z12) - 
   (2*s13*s14*s24*z3)/(s12*s123*s34*z12) + (2*s13*s14*s24*z3)/
    (s12*s124*s34*z12) - (s14*s24*z3)/(s134*s34*z12) - 
   (3*s14^2*s24*z3)/(2*s12*s123*s34*z12) + (3*s14^2*s24*z3)/
    (2*s12*s124*s34*z12) - (4*s23*s24*z3)/(s12*s34*z12) - 
   (s23*s24*z3)/(s123*s34*z12) + (s23*s24*z3)/(s124*s34*z12) - 
   (s13*s23*s24*z3)/(s12*s123*s34*z12) + (s13*s23*s24*z3)/
    (s12*s124*s34*z12) - (s23*s24*z3)/(s134*s34*z12) - 
   (2*s14*s23*s24*z3)/(s12*s123*s34*z12) + (2*s14*s23*s24*z3)/
    (s12*s124*s34*z12) - (s23^2*s24*z3)/(2*s12*s123*s34*z12) + 
   (s23^2*s24*z3)/(2*s12*s124*s34*z12) - (s12*s24*z3)/(s234*s34*z12) - 
   (s13*s24*z3)/(s234*s34*z12) - (s14*s24*z3)/(s234*s34*z12) - 
   (s23*s24*z3)/(s234*s34*z12) - (2*s24^2*z3)/(s12*s34*z12) - 
   (s24^2*z3)/(s123*s34*z12) + (s24^2*z3)/(s124*s34*z12) - 
   (s13*s24^2*z3)/(s12*s123*s34*z12) + (s13*s24^2*z3)/(s12*s124*s34*z12) - 
   (s24^2*z3)/(2*s134*s34*z12) - (3*s14*s24^2*z3)/(2*s12*s123*s34*z12) + 
   (3*s14*s24^2*z3)/(2*s12*s124*s34*z12) - 
   (s23*s24^2*z3)/(s12*s123*s34*z12) + (s23*s24^2*z3)/(s12*s124*s34*z12) - 
   (s24^2*z3)/(2*s234*s34*z12) - (s24^3*z3)/(2*s12*s123*s34*z12) + 
   (s24^3*z3)/(2*s12*s124*s34*z12) - (2*s34*z3)/(s123*z12) - 
   (s34*z3)/(s124*z12) - (s12*s34*z3)/(s123*s124*z12) - 
   (2*s13*s34*z3)/(s12*s123*z12) - (s13*s34*z3)/(s123*s124*z12) - 
   (s12*s34*z3)/(s123*s134*z12) + (s12*s34*z3)/(2*s124*s134*z12) - 
   (s13*s34*z3)/(s123*s134*z12) - (s14*s34*z3)/(s12*s123*z12) - 
   (s14*s34*z3)/(s12*s124*z12) - (2*s14*s34*z3)/(s123*s124*z12) - 
   (s13*s14*s34*z3)/(2*s12*s123*s124*z12) + (s14*s34*z3)/(2*s124*s134*z12) - 
   (3*s14^2*s34*z3)/(2*s12*s123*s124*z12) - (2*s23*s34*z3)/(s12*s123*z12) - 
   (s23*s34*z3)/(s123*s124*z12) - (s23*s34*z3)/(s123*s134*z12) - 
   (s14*s23*s34*z3)/(2*s12*s123*s124*z12) + (s12*s34*z3)/(2*s123*s234*z12) - 
   (s12*s34*z3)/(s124*s234*z12) + (s13*s34*z3)/(2*s123*s234*z12) - 
   (s14*s34*z3)/(s124*s234*z12) + (s23*s34*z3)/(2*s123*s234*z12) - 
   (s24*s34*z3)/(s12*s123*z12) - (s24*s34*z3)/(s12*s124*z12) - 
   (2*s24*s34*z3)/(s123*s124*z12) - (s13*s24*s34*z3)/(2*s12*s123*s124*z12) + 
   (s24*s34*z3)/(2*s124*s134*z12) - (3*s14*s24*s34*z3)/(s12*s123*s124*z12) - 
   (s23*s24*s34*z3)/(2*s12*s123*s124*z12) - (s24*s34*z3)/(s124*s234*z12) - 
   (3*s24^2*s34*z3)/(2*s12*s123*s124*z12) - (s34^2*z3)/(s123*s124*z12) - 
   (s14*s34^2*z3)/(s12*s123*s124*z12) - (s24*s34^2*z3)/(s12*s123*s124*z12) - 
   (2*z1)/z34 - (4*s13*z1)/(s12*z34) - (s13*z1)/(2*s123*z34) - 
   (s13*z1)/(2*s124*z34) - (s13^2*z1)/(2*s12*s123*z34) - 
   (s13^2*z1)/(2*s12*s124*z34) - (2*s12*z1)/(s134*z34) - 
   (4*s13*z1)/(s134*z34) - (s12*s13*z1)/(s123*s134*z34) + 
   (s12*s13*z1)/(2*s124*s134*z34) - (s13^2*z1)/(s123*s134*z34) + 
   (s13^2*z1)/(2*s124*s134*z34) - (4*s14*z1)/(s12*z34) - 
   (s14*z1)/(2*s123*z34) - (s14*z1)/(2*s124*z34) - 
   (s13*s14*z1)/(s12*s123*z34) - (s13*s14*z1)/(s12*s124*z34) - 
   (4*s14*z1)/(s134*z34) - (s12*s14*z1)/(s123*s134*z34) + 
   (s12*s14*z1)/(2*s124*s134*z34) - (2*s13*s14*z1)/(s123*s134*z34) + 
   (s13*s14*z1)/(s124*s134*z34) - (s14^2*z1)/(2*s12*s123*z34) - 
   (s14^2*z1)/(2*s12*s124*z34) - (s14^2*z1)/(s123*s134*z34) + 
   (s14^2*z1)/(2*s124*s134*z34) - (4*s23*z1)/(s12*z34) - 
   (s23*z1)/(2*s123*z34) - (s23*z1)/(2*s124*z34) - 
   (s13*s23*z1)/(s12*s123*z34) - (s13*s23*z1)/(s12*s124*z34) - 
   (7*s23*z1)/(2*s134*z34) - (s13*s23*z1)/(s12*s134*z34) - 
   (s13*s23*z1)/(s123*s134*z34) + (s13*s23*z1)/(2*s124*s134*z34) - 
   (s14*s23*z1)/(s12*s123*z34) - (s14*s23*z1)/(s12*s124*z34) - 
   (s14*s23*z1)/(s12*s134*z34) - (s14*s23*z1)/(s123*s134*z34) + 
   (s14*s23*z1)/(2*s124*s134*z34) - (s23^2*z1)/(2*s12*s123*z34) - 
   (s23^2*z1)/(2*s12*s124*z34) - (s23^2*z1)/(s12*s134*z34) - 
   (s12*z1)/(s234*z34) - (s13*z1)/(s234*z34) - (s12^2*z1)/(s134*s234*z34) - 
   (s12*s13*z1)/(s134*s234*z34) - (s14*z1)/(s234*z34) - 
   (s12*s14*z1)/(s134*s234*z34) - (3*s23*z1)/(2*s234*z34) + 
   (s12*s23*z1)/(2*s123*s234*z34) - (s12*s23*z1)/(s124*s234*z34) + 
   (s13*s23*z1)/(s12*s234*z34) + (s13*s23*z1)/(2*s123*s234*z34) - 
   (s13*s23*z1)/(s124*s234*z34) - (2*s12*s23*z1)/(s134*s234*z34) + 
   (s13*s23*z1)/(2*s134*s234*z34) + (s14*s23*z1)/(s12*s234*z34) + 
   (s14*s23*z1)/(2*s123*s234*z34) - (s14*s23*z1)/(s124*s234*z34) + 
   (s14*s23*z1)/(2*s134*s234*z34) + (s23^2*z1)/(s12*s234*z34) + 
   (s23^2*z1)/(2*s123*s234*z34) - (s23^2*z1)/(s124*s234*z34) - 
   (s23^2*z1)/(2*s134*s234*z34) - (4*s24*z1)/(s12*z34) - 
   (s24*z1)/(2*s123*z34) - (s24*z1)/(2*s124*z34) - 
   (s13*s24*z1)/(s12*s123*z34) - (s13*s24*z1)/(s12*s124*z34) - 
   (7*s24*z1)/(2*s134*z34) - (s13*s24*z1)/(s12*s134*z34) - 
   (s13*s24*z1)/(s123*s134*z34) + (s13*s24*z1)/(2*s124*s134*z34) - 
   (s14*s24*z1)/(s12*s123*z34) - (s14*s24*z1)/(s12*s124*z34) - 
   (s14*s24*z1)/(s12*s134*z34) - (s14*s24*z1)/(s123*s134*z34) + 
   (s14*s24*z1)/(2*s124*s134*z34) - (s23*s24*z1)/(s12*s123*z34) - 
   (s23*s24*z1)/(s12*s124*z34) - (2*s23*s24*z1)/(s12*s134*z34) - 
   (3*s24*z1)/(2*s234*z34) + (s12*s24*z1)/(2*s123*s234*z34) - 
   (s12*s24*z1)/(s124*s234*z34) + (s13*s24*z1)/(s12*s234*z34) + 
   (s13*s24*z1)/(2*s123*s234*z34) - (s13*s24*z1)/(s124*s234*z34) - 
   (2*s12*s24*z1)/(s134*s234*z34) + (s13*s24*z1)/(2*s134*s234*z34) + 
   (s14*s24*z1)/(s12*s234*z34) + (s14*s24*z1)/(2*s123*s234*z34) - 
   (s14*s24*z1)/(s124*s234*z34) + (s14*s24*z1)/(2*s134*s234*z34) + 
   (2*s23*s24*z1)/(s12*s234*z34) + (s23*s24*z1)/(s123*s234*z34) - 
   (2*s23*s24*z1)/(s124*s234*z34) - (s23*s24*z1)/(s134*s234*z34) - 
   (s24^2*z1)/(2*s12*s123*z34) - (s24^2*z1)/(2*s12*s124*z34) - 
   (s24^2*z1)/(s12*s134*z34) + (s24^2*z1)/(s12*s234*z34) + 
   (s24^2*z1)/(2*s123*s234*z34) - (s24^2*z1)/(s124*s234*z34) - 
   (s24^2*z1)/(2*s134*s234*z34) - (2*s13*z1)/(s34*z34) - 
   (2*s13^2*z1)/(s12*s34*z34) - (2*s12*s13*z1)/(s134*s34*z34) - 
   (2*s13^2*z1)/(s134*s34*z34) - (2*s14*z1)/(s34*z34) - 
   (4*s13*s14*z1)/(s12*s34*z34) - (2*s12*s14*z1)/(s134*s34*z34) - 
   (4*s13*s14*z1)/(s134*s34*z34) - (2*s14^2*z1)/(s12*s34*z34) - 
   (2*s14^2*z1)/(s134*s34*z34) - (2*s23*z1)/(s34*z34) - 
   (4*s13*s23*z1)/(s12*s34*z34) - (s12*s23*z1)/(s134*s34*z34) - 
   (7*s13*s23*z1)/(2*s134*s34*z34) - (s13^2*s23*z1)/(2*s12*s134*s34*z34) - 
   (4*s14*s23*z1)/(s12*s34*z34) - (7*s14*s23*z1)/(2*s134*s34*z34) - 
   (s13*s14*s23*z1)/(s12*s134*s34*z34) - (s14^2*s23*z1)/
    (2*s12*s134*s34*z34) - (2*s23^2*z1)/(s12*s34*z34) - 
   (3*s23^2*z1)/(2*s134*s34*z34) - (s13*s23^2*z1)/(s12*s134*s34*z34) - 
   (s14*s23^2*z1)/(s12*s134*s34*z34) - (s23^3*z1)/(2*s12*s134*s34*z34) - 
   (s12*s23*z1)/(s234*s34*z34) - (s13*s23*z1)/(2*s234*s34*z34) + 
   (s13^2*s23*z1)/(2*s12*s234*s34*z34) - (s12^2*s23*z1)/(s134*s234*s34*z34) - 
   (s12*s13*s23*z1)/(2*s134*s234*s34*z34) + 
   (s13^2*s23*z1)/(2*s134*s234*s34*z34) - (s14*s23*z1)/(2*s234*s34*z34) + 
   (s13*s14*s23*z1)/(s12*s234*s34*z34) - (s12*s14*s23*z1)/
    (2*s134*s234*s34*z34) + (s13*s14*s23*z1)/(s134*s234*s34*z34) + 
   (s14^2*s23*z1)/(2*s12*s234*s34*z34) + (s14^2*s23*z1)/
    (2*s134*s234*s34*z34) - (s23^2*z1)/(2*s234*s34*z34) + 
   (s13*s23^2*z1)/(s12*s234*s34*z34) - (3*s12*s23^2*z1)/
    (2*s134*s234*s34*z34) + (s14*s23^2*z1)/(s12*s234*s34*z34) + 
   (s23^3*z1)/(2*s12*s234*s34*z34) - (s23^3*z1)/(2*s134*s234*s34*z34) - 
   (2*s24*z1)/(s34*z34) - (4*s13*s24*z1)/(s12*s34*z34) - 
   (s12*s24*z1)/(s134*s34*z34) - (7*s13*s24*z1)/(2*s134*s34*z34) - 
   (s13^2*s24*z1)/(2*s12*s134*s34*z34) - (4*s14*s24*z1)/(s12*s34*z34) - 
   (7*s14*s24*z1)/(2*s134*s34*z34) - (s13*s14*s24*z1)/(s12*s134*s34*z34) - 
   (s14^2*s24*z1)/(2*s12*s134*s34*z34) - (4*s23*s24*z1)/(s12*s34*z34) - 
   (3*s23*s24*z1)/(s134*s34*z34) - (2*s13*s23*s24*z1)/(s12*s134*s34*z34) - 
   (2*s14*s23*s24*z1)/(s12*s134*s34*z34) - (3*s23^2*s24*z1)/
    (2*s12*s134*s34*z34) - (s12*s24*z1)/(s234*s34*z34) - 
   (s13*s24*z1)/(2*s234*s34*z34) + (s13^2*s24*z1)/(2*s12*s234*s34*z34) - 
   (s12^2*s24*z1)/(s134*s234*s34*z34) - (s12*s13*s24*z1)/
    (2*s134*s234*s34*z34) + (s13^2*s24*z1)/(2*s134*s234*s34*z34) - 
   (s14*s24*z1)/(2*s234*s34*z34) + (s13*s14*s24*z1)/(s12*s234*s34*z34) - 
   (s12*s14*s24*z1)/(2*s134*s234*s34*z34) + (s13*s14*s24*z1)/
    (s134*s234*s34*z34) + (s14^2*s24*z1)/(2*s12*s234*s34*z34) + 
   (s14^2*s24*z1)/(2*s134*s234*s34*z34) - (s23*s24*z1)/(s234*s34*z34) + 
   (2*s13*s23*s24*z1)/(s12*s234*s34*z34) - (3*s12*s23*s24*z1)/
    (s134*s234*s34*z34) + (2*s14*s23*s24*z1)/(s12*s234*s34*z34) + 
   (3*s23^2*s24*z1)/(2*s12*s234*s34*z34) - (3*s23^2*s24*z1)/
    (2*s134*s234*s34*z34) - (2*s24^2*z1)/(s12*s34*z34) - 
   (3*s24^2*z1)/(2*s134*s34*z34) - (s13*s24^2*z1)/(s12*s134*s34*z34) - 
   (s14*s24^2*z1)/(s12*s134*s34*z34) - (3*s23*s24^2*z1)/
    (2*s12*s134*s34*z34) - (s24^2*z1)/(2*s234*s34*z34) + 
   (s13*s24^2*z1)/(s12*s234*s34*z34) - (3*s12*s24^2*z1)/
    (2*s134*s234*s34*z34) + (s14*s24^2*z1)/(s12*s234*s34*z34) + 
   (3*s23*s24^2*z1)/(2*s12*s234*s34*z34) - (3*s23*s24^2*z1)/
    (2*s134*s234*s34*z34) - (s24^3*z1)/(2*s12*s134*s34*z34) + 
   (s24^3*z1)/(2*s12*s234*s34*z34) - (s24^3*z1)/(2*s134*s234*s34*z34) - 
   (2*s34*z1)/(s12*z34) - (s34*z1)/(2*s123*z34) - (s34*z1)/(2*s124*z34) - 
   (s13*s34*z1)/(s12*s123*z34) - (s13*s34*z1)/(s12*s124*z34) - 
   (2*s34*z1)/(s134*z34) - (s12*s34*z1)/(s123*s134*z34) + 
   (s12*s34*z1)/(2*s124*s134*z34) - (2*s13*s34*z1)/(s123*s134*z34) + 
   (s13*s34*z1)/(s124*s134*z34) - (s14*s34*z1)/(s12*s123*z34) - 
   (s14*s34*z1)/(s12*s124*z34) - (2*s14*s34*z1)/(s123*s134*z34) + 
   (s14*s34*z1)/(s124*s134*z34) - (s23*s34*z1)/(s12*s123*z34) - 
   (s23*s34*z1)/(s12*s124*z34) - (s23*s34*z1)/(2*s12*s134*z34) - 
   (s23*s34*z1)/(s123*s134*z34) + (s23*s34*z1)/(2*s124*s134*z34) - 
   (s34*z1)/(s234*z34) + (s12*s34*z1)/(2*s123*s234*z34) - 
   (s12*s34*z1)/(s124*s234*z34) + (s13*s34*z1)/(2*s123*s234*z34) - 
   (s13*s34*z1)/(s124*s234*z34) - (s12*s34*z1)/(s134*s234*z34) + 
   (s14*s34*z1)/(2*s123*s234*z34) - (s14*s34*z1)/(s124*s234*z34) + 
   (s23*s34*z1)/(2*s12*s234*z34) + (s23*s34*z1)/(s123*s234*z34) - 
   (2*s23*s34*z1)/(s124*s234*z34) - (s24*s34*z1)/(s12*s123*z34) - 
   (s24*s34*z1)/(s12*s124*z34) - (s24*s34*z1)/(2*s12*s134*z34) - 
   (s24*s34*z1)/(s123*s134*z34) + (s24*s34*z1)/(2*s124*s134*z34) + 
   (s24*s34*z1)/(2*s12*s234*z34) + (s24*s34*z1)/(s123*s234*z34) - 
   (2*s24*s34*z1)/(s124*s234*z34) - (s34^2*z1)/(2*s12*s123*z34) - 
   (s34^2*z1)/(2*s12*s124*z34) - (s34^2*z1)/(s123*s134*z34) + 
   (s34^2*z1)/(2*s124*s134*z34) + (s34^2*z1)/(2*s123*s234*z34) - 
   (s34^2*z1)/(s124*s234*z34) - (2*z2)/z34 - (4*s13*z2)/(s12*z34) - 
   (s13*z2)/(2*s123*z34) - (s13*z2)/(2*s124*z34) - 
   (s13^2*z2)/(2*s12*s123*z34) - (s13^2*z2)/(2*s12*s124*z34) - 
   (s12*z2)/(s134*z34) - (3*s13*z2)/(2*s134*z34) - 
   (s12*s13*z2)/(s123*s134*z34) + (s12*s13*z2)/(2*s124*s134*z34) + 
   (s13^2*z2)/(s12*s134*z34) - (s13^2*z2)/(s123*s134*z34) + 
   (s13^2*z2)/(2*s124*s134*z34) - (4*s14*z2)/(s12*z34) - 
   (s14*z2)/(2*s123*z34) - (s14*z2)/(2*s124*z34) - 
   (s13*s14*z2)/(s12*s123*z34) - (s13*s14*z2)/(s12*s124*z34) - 
   (3*s14*z2)/(2*s134*z34) - (s12*s14*z2)/(s123*s134*z34) + 
   (s12*s14*z2)/(2*s124*s134*z34) + (2*s13*s14*z2)/(s12*s134*z34) - 
   (2*s13*s14*z2)/(s123*s134*z34) + (s13*s14*z2)/(s124*s134*z34) - 
   (s14^2*z2)/(2*s12*s123*z34) - (s14^2*z2)/(2*s12*s124*z34) + 
   (s14^2*z2)/(s12*s134*z34) - (s14^2*z2)/(s123*s134*z34) + 
   (s14^2*z2)/(2*s124*s134*z34) - (4*s23*z2)/(s12*z34) - 
   (s23*z2)/(2*s123*z34) - (s23*z2)/(2*s124*z34) - 
   (s13*s23*z2)/(s12*s123*z34) - (s13*s23*z2)/(s12*s124*z34) - 
   (s23*z2)/(s134*z34) + (s13*s23*z2)/(s12*s134*z34) - 
   (s13*s23*z2)/(s123*s134*z34) + (s13*s23*z2)/(2*s124*s134*z34) - 
   (s14*s23*z2)/(s12*s123*z34) - (s14*s23*z2)/(s12*s124*z34) + 
   (s14*s23*z2)/(s12*s134*z34) - (s14*s23*z2)/(s123*s134*z34) + 
   (s14*s23*z2)/(2*s124*s134*z34) - (s23^2*z2)/(2*s12*s123*z34) - 
   (s23^2*z2)/(2*s12*s124*z34) - (2*s12*z2)/(s234*z34) - 
   (7*s13*z2)/(2*s234*z34) - (s13^2*z2)/(s12*s234*z34) - 
   (s12^2*z2)/(s134*s234*z34) - (2*s12*s13*z2)/(s134*s234*z34) - 
   (s13^2*z2)/(2*s134*s234*z34) - (7*s14*z2)/(2*s234*z34) - 
   (2*s13*s14*z2)/(s12*s234*z34) - (2*s12*s14*z2)/(s134*s234*z34) - 
   (s13*s14*z2)/(s134*s234*z34) - (s14^2*z2)/(s12*s234*z34) - 
   (s14^2*z2)/(2*s134*s234*z34) - (4*s23*z2)/(s234*z34) + 
   (s12*s23*z2)/(2*s123*s234*z34) - (s12*s23*z2)/(s124*s234*z34) - 
   (s13*s23*z2)/(s12*s234*z34) + (s13*s23*z2)/(2*s123*s234*z34) - 
   (s13*s23*z2)/(s124*s234*z34) - (s12*s23*z2)/(s134*s234*z34) + 
   (s13*s23*z2)/(2*s134*s234*z34) - (s14*s23*z2)/(s12*s234*z34) + 
   (s14*s23*z2)/(2*s123*s234*z34) - (s14*s23*z2)/(s124*s234*z34) + 
   (s14*s23*z2)/(2*s134*s234*z34) + (s23^2*z2)/(2*s123*s234*z34) - 
   (s23^2*z2)/(s124*s234*z34) - (4*s24*z2)/(s12*z34) - 
   (s24*z2)/(2*s123*z34) - (s24*z2)/(2*s124*z34) - 
   (s13*s24*z2)/(s12*s123*z34) - (s13*s24*z2)/(s12*s124*z34) - 
   (s24*z2)/(s134*z34) + (s13*s24*z2)/(s12*s134*z34) - 
   (s13*s24*z2)/(s123*s134*z34) + (s13*s24*z2)/(2*s124*s134*z34) - 
   (s14*s24*z2)/(s12*s123*z34) - (s14*s24*z2)/(s12*s124*z34) + 
   (s14*s24*z2)/(s12*s134*z34) - (s14*s24*z2)/(s123*s134*z34) + 
   (s14*s24*z2)/(2*s124*s134*z34) - (s23*s24*z2)/(s12*s123*z34) - 
   (s23*s24*z2)/(s12*s124*z34) - (4*s24*z2)/(s234*z34) + 
   (s12*s24*z2)/(2*s123*s234*z34) - (s12*s24*z2)/(s124*s234*z34) - 
   (s13*s24*z2)/(s12*s234*z34) + (s13*s24*z2)/(2*s123*s234*z34) - 
   (s13*s24*z2)/(s124*s234*z34) - (s12*s24*z2)/(s134*s234*z34) + 
   (s13*s24*z2)/(2*s134*s234*z34) - (s14*s24*z2)/(s12*s234*z34) + 
   (s14*s24*z2)/(2*s123*s234*z34) - (s14*s24*z2)/(s124*s234*z34) + 
   (s14*s24*z2)/(2*s134*s234*z34) + (s23*s24*z2)/(s123*s234*z34) - 
   (2*s23*s24*z2)/(s124*s234*z34) - (s24^2*z2)/(2*s12*s123*z34) - 
   (s24^2*z2)/(2*s12*s124*z34) + (s24^2*z2)/(2*s123*s234*z34) - 
   (s24^2*z2)/(s124*s234*z34) - (2*s13*z2)/(s34*z34) - 
   (2*s13^2*z2)/(s12*s34*z34) - (s12*s13*z2)/(s134*s34*z34) - 
   (s13^2*z2)/(2*s134*s34*z34) + (s13^3*z2)/(2*s12*s134*s34*z34) - 
   (2*s14*z2)/(s34*z34) - (4*s13*s14*z2)/(s12*s34*z34) - 
   (s12*s14*z2)/(s134*s34*z34) - (s13*s14*z2)/(s134*s34*z34) + 
   (3*s13^2*s14*z2)/(2*s12*s134*s34*z34) - (2*s14^2*z2)/(s12*s34*z34) - 
   (s14^2*z2)/(2*s134*s34*z34) + (3*s13*s14^2*z2)/(2*s12*s134*s34*z34) + 
   (s14^3*z2)/(2*s12*s134*s34*z34) - (2*s23*z2)/(s34*z34) - 
   (4*s13*s23*z2)/(s12*s34*z34) - (s13*s23*z2)/(2*s134*s34*z34) + 
   (s13^2*s23*z2)/(s12*s134*s34*z34) - (4*s14*s23*z2)/(s12*s34*z34) - 
   (s14*s23*z2)/(2*s134*s34*z34) + (2*s13*s14*s23*z2)/(s12*s134*s34*z34) + 
   (s14^2*s23*z2)/(s12*s134*s34*z34) - (2*s23^2*z2)/(s12*s34*z34) + 
   (s13*s23^2*z2)/(2*s12*s134*s34*z34) + (s14*s23^2*z2)/
    (2*s12*s134*s34*z34) - (s12*s13*z2)/(s234*s34*z34) - 
   (3*s13^2*z2)/(2*s234*s34*z34) - (s13^3*z2)/(2*s12*s234*s34*z34) - 
   (s12^2*s13*z2)/(s134*s234*s34*z34) - (3*s12*s13^2*z2)/
    (2*s134*s234*s34*z34) - (s13^3*z2)/(2*s134*s234*s34*z34) - 
   (s12*s14*z2)/(s234*s34*z34) - (3*s13*s14*z2)/(s234*s34*z34) - 
   (3*s13^2*s14*z2)/(2*s12*s234*s34*z34) - 
   (s12^2*s14*z2)/(s134*s234*s34*z34) - (3*s12*s13*s14*z2)/
    (s134*s234*s34*z34) - (3*s13^2*s14*z2)/(2*s134*s234*s34*z34) - 
   (3*s14^2*z2)/(2*s234*s34*z34) - (3*s13*s14^2*z2)/(2*s12*s234*s34*z34) - 
   (3*s12*s14^2*z2)/(2*s134*s234*s34*z34) - (3*s13*s14^2*z2)/
    (2*s134*s234*s34*z34) - (s14^3*z2)/(2*s12*s234*s34*z34) - 
   (s14^3*z2)/(2*s134*s234*s34*z34) - (2*s12*s23*z2)/(s234*s34*z34) - 
   (7*s13*s23*z2)/(2*s234*s34*z34) - (s13^2*s23*z2)/(s12*s234*s34*z34) - 
   (s12*s13*s23*z2)/(2*s134*s234*s34*z34) - (7*s14*s23*z2)/(2*s234*s34*z34) - 
   (2*s13*s14*s23*z2)/(s12*s234*s34*z34) - (s12*s14*s23*z2)/
    (2*s134*s234*s34*z34) - (s14^2*s23*z2)/(s12*s234*s34*z34) - 
   (2*s23^2*z2)/(s234*s34*z34) - (s13*s23^2*z2)/(2*s12*s234*s34*z34) + 
   (s13*s23^2*z2)/(2*s134*s234*s34*z34) - (s14*s23^2*z2)/
    (2*s12*s234*s34*z34) + (s14*s23^2*z2)/(2*s134*s234*s34*z34) - 
   (2*s24*z2)/(s34*z34) - (4*s13*s24*z2)/(s12*s34*z34) - 
   (s13*s24*z2)/(2*s134*s34*z34) + (s13^2*s24*z2)/(s12*s134*s34*z34) - 
   (4*s14*s24*z2)/(s12*s34*z34) - (s14*s24*z2)/(2*s134*s34*z34) + 
   (2*s13*s14*s24*z2)/(s12*s134*s34*z34) + 
   (s14^2*s24*z2)/(s12*s134*s34*z34) - (4*s23*s24*z2)/(s12*s34*z34) + 
   (s13*s23*s24*z2)/(s12*s134*s34*z34) + (s14*s23*s24*z2)/
    (s12*s134*s34*z34) - (2*s12*s24*z2)/(s234*s34*z34) - 
   (7*s13*s24*z2)/(2*s234*s34*z34) - (s13^2*s24*z2)/(s12*s234*s34*z34) - 
   (s12*s13*s24*z2)/(2*s134*s234*s34*z34) - (7*s14*s24*z2)/(2*s234*s34*z34) - 
   (2*s13*s14*s24*z2)/(s12*s234*s34*z34) - (s12*s14*s24*z2)/
    (2*s134*s234*s34*z34) - (s14^2*s24*z2)/(s12*s234*s34*z34) - 
   (4*s23*s24*z2)/(s234*s34*z34) - (s13*s23*s24*z2)/(s12*s234*s34*z34) + 
   (s13*s23*s24*z2)/(s134*s234*s34*z34) - (s14*s23*s24*z2)/
    (s12*s234*s34*z34) + (s14*s23*s24*z2)/(s134*s234*s34*z34) - 
   (2*s24^2*z2)/(s12*s34*z34) + (s13*s24^2*z2)/(2*s12*s134*s34*z34) + 
   (s14*s24^2*z2)/(2*s12*s134*s34*z34) - (2*s24^2*z2)/(s234*s34*z34) - 
   (s13*s24^2*z2)/(2*s12*s234*s34*z34) + (s13*s24^2*z2)/
    (2*s134*s234*s34*z34) - (s14*s24^2*z2)/(2*s12*s234*s34*z34) + 
   (s14*s24^2*z2)/(2*s134*s234*s34*z34) - (2*s34*z2)/(s12*z34) - 
   (s34*z2)/(2*s123*z34) - (s34*z2)/(2*s124*z34) - 
   (s13*s34*z2)/(s12*s123*z34) - (s13*s34*z2)/(s12*s124*z34) - 
   (s34*z2)/(s134*z34) - (s12*s34*z2)/(s123*s134*z34) + 
   (s12*s34*z2)/(2*s124*s134*z34) + (s13*s34*z2)/(2*s12*s134*z34) - 
   (2*s13*s34*z2)/(s123*s134*z34) + (s13*s34*z2)/(s124*s134*z34) - 
   (s14*s34*z2)/(s12*s123*z34) - (s14*s34*z2)/(s12*s124*z34) + 
   (s14*s34*z2)/(2*s12*s134*z34) - (2*s14*s34*z2)/(s123*s134*z34) + 
   (s14*s34*z2)/(s124*s134*z34) - (s23*s34*z2)/(s12*s123*z34) - 
   (s23*s34*z2)/(s12*s124*z34) - (s23*s34*z2)/(s123*s134*z34) + 
   (s23*s34*z2)/(2*s124*s134*z34) - (2*s34*z2)/(s234*z34) + 
   (s12*s34*z2)/(2*s123*s234*z34) - (s12*s34*z2)/(s124*s234*z34) - 
   (s13*s34*z2)/(2*s12*s234*z34) + (s13*s34*z2)/(2*s123*s234*z34) - 
   (s13*s34*z2)/(s124*s234*z34) - (s12*s34*z2)/(s134*s234*z34) - 
   (s14*s34*z2)/(2*s12*s234*z34) + (s14*s34*z2)/(2*s123*s234*z34) - 
   (s14*s34*z2)/(s124*s234*z34) + (s23*s34*z2)/(s123*s234*z34) - 
   (2*s23*s34*z2)/(s124*s234*z34) - (s24*s34*z2)/(s12*s123*z34) - 
   (s24*s34*z2)/(s12*s124*z34) - (s24*s34*z2)/(s123*s134*z34) + 
   (s24*s34*z2)/(2*s124*s134*z34) + (s24*s34*z2)/(s123*s234*z34) - 
   (2*s24*s34*z2)/(s124*s234*z34) - (s34^2*z2)/(2*s12*s123*z34) - 
   (s34^2*z2)/(2*s12*s124*z34) - (s34^2*z2)/(s123*s134*z34) + 
   (s34^2*z2)/(2*s124*s134*z34) + (s34^2*z2)/(2*s123*s234*z34) - 
   (s34^2*z2)/(s124*s234*z34) + (2*s14*z3)/(s12*z34) + 
   (s14*z3)/(2*s123*z34) + (s14*z3)/(2*s124*z34) + 
   (s13*s14*z3)/(s12*s123*z34) + (s13*s14*z3)/(s12*s124*z34) + 
   (2*s14*z3)/(s134*z34) + (s12*s14*z3)/(s123*s134*z34) - 
   (s12*s14*z3)/(2*s124*s134*z34) + (2*s13*s14*z3)/(s123*s134*z34) - 
   (s13*s14*z3)/(s124*s134*z34) + (s14^2*z3)/(s12*s123*z34) + 
   (s14^2*z3)/(s12*s124*z34) + (2*s14^2*z3)/(s123*s134*z34) - 
   (s14^2*z3)/(s124*s134*z34) + (s14*s23*z3)/(s12*s123*z34) + 
   (s14*s23*z3)/(s12*s124*z34) + (s14*s23*z3)/(2*s12*s134*z34) + 
   (s14*s23*z3)/(s123*s134*z34) - (s14*s23*z3)/(2*s124*s134*z34) + 
   (s14*z3)/(s234*z34) - (s12*s14*z3)/(2*s123*s234*z34) + 
   (s12*s14*z3)/(s124*s234*z34) - (s13*s14*z3)/(2*s123*s234*z34) + 
   (s13*s14*z3)/(s124*s234*z34) + (s12*s14*z3)/(s134*s234*z34) - 
   (s14^2*z3)/(2*s123*s234*z34) + (s14^2*z3)/(s124*s234*z34) - 
   (s14*s23*z3)/(2*s12*s234*z34) - (s14*s23*z3)/(s123*s234*z34) + 
   (2*s14*s23*z3)/(s124*s234*z34) + (2*s24*z3)/(s12*z34) + 
   (s24*z3)/(2*s123*z34) + (s24*z3)/(2*s124*z34) + 
   (s13*s24*z3)/(s12*s123*z34) + (s13*s24*z3)/(s12*s124*z34) + 
   (s24*z3)/(s134*z34) + (s12*s24*z3)/(s123*s134*z34) - 
   (s12*s24*z3)/(2*s124*s134*z34) - (s13*s24*z3)/(2*s12*s134*z34) + 
   (2*s13*s24*z3)/(s123*s134*z34) - (s13*s24*z3)/(s124*s134*z34) + 
   (2*s14*s24*z3)/(s12*s123*z34) + (2*s14*s24*z3)/(s12*s124*z34) + 
   (3*s14*s24*z3)/(s123*s134*z34) - (3*s14*s24*z3)/(2*s124*s134*z34) + 
   (s23*s24*z3)/(s12*s123*z34) + (s23*s24*z3)/(s12*s124*z34) + 
   (s23*s24*z3)/(s123*s134*z34) - (s23*s24*z3)/(2*s124*s134*z34) + 
   (2*s24*z3)/(s234*z34) - (s12*s24*z3)/(2*s123*s234*z34) + 
   (s12*s24*z3)/(s124*s234*z34) + (s13*s24*z3)/(2*s12*s234*z34) - 
   (s13*s24*z3)/(2*s123*s234*z34) + (s13*s24*z3)/(s124*s234*z34) + 
   (s12*s24*z3)/(s134*s234*z34) - (3*s14*s24*z3)/(2*s123*s234*z34) + 
   (3*s14*s24*z3)/(s124*s234*z34) - (s23*s24*z3)/(s123*s234*z34) + 
   (2*s23*s24*z3)/(s124*s234*z34) + (s24^2*z3)/(s12*s123*z34) + 
   (s24^2*z3)/(s12*s124*z34) + (s24^2*z3)/(s123*s134*z34) - 
   (s24^2*z3)/(2*s124*s134*z34) - (s24^2*z3)/(s123*s234*z34) + 
   (2*s24^2*z3)/(s124*s234*z34) + (2*s13*s14*z3)/(s34^2*z34) + 
   (2*s13^2*s14*z3)/(s12*s34^2*z34) + (2*s12*s13*s14*z3)/(s134*s34^2*z34) + 
   (2*s13^2*s14*z3)/(s134*s34^2*z34) + (2*s14^2*z3)/(s34^2*z34) + 
   (4*s13*s14^2*z3)/(s12*s34^2*z34) + (2*s12*s14^2*z3)/(s134*s34^2*z34) + 
   (4*s13*s14^2*z3)/(s134*s34^2*z34) + (2*s14^3*z3)/(s12*s34^2*z34) + 
   (2*s14^3*z3)/(s134*s34^2*z34) + (2*s14*s23*z3)/(s34^2*z34) + 
   (4*s13*s14*s23*z3)/(s12*s34^2*z34) + (s12*s14*s23*z3)/(s134*s34^2*z34) + 
   (7*s13*s14*s23*z3)/(2*s134*s34^2*z34) + (s13^2*s14*s23*z3)/
    (2*s12*s134*s34^2*z34) + (4*s14^2*s23*z3)/(s12*s34^2*z34) + 
   (7*s14^2*s23*z3)/(2*s134*s34^2*z34) + (s13*s14^2*s23*z3)/
    (s12*s134*s34^2*z34) + (s14^3*s23*z3)/(2*s12*s134*s34^2*z34) + 
   (2*s14*s23^2*z3)/(s12*s34^2*z34) + (3*s14*s23^2*z3)/(2*s134*s34^2*z34) + 
   (s13*s14*s23^2*z3)/(s12*s134*s34^2*z34) + (s14^2*s23^2*z3)/
    (s12*s134*s34^2*z34) + (s14*s23^3*z3)/(2*s12*s134*s34^2*z34) + 
   (s12*s14*s23*z3)/(s234*s34^2*z34) + (s13*s14*s23*z3)/(2*s234*s34^2*z34) - 
   (s13^2*s14*s23*z3)/(2*s12*s234*s34^2*z34) + 
   (s12^2*s14*s23*z3)/(s134*s234*s34^2*z34) + (s12*s13*s14*s23*z3)/
    (2*s134*s234*s34^2*z34) - (s13^2*s14*s23*z3)/(2*s134*s234*s34^2*z34) + 
   (s14^2*s23*z3)/(2*s234*s34^2*z34) - (s13*s14^2*s23*z3)/
    (s12*s234*s34^2*z34) + (s12*s14^2*s23*z3)/(2*s134*s234*s34^2*z34) - 
   (s13*s14^2*s23*z3)/(s134*s234*s34^2*z34) - 
   (s14^3*s23*z3)/(2*s12*s234*s34^2*z34) - 
   (s14^3*s23*z3)/(2*s134*s234*s34^2*z34) + 
   (s14*s23^2*z3)/(2*s234*s34^2*z34) - (s13*s14*s23^2*z3)/
    (s12*s234*s34^2*z34) + (3*s12*s14*s23^2*z3)/(2*s134*s234*s34^2*z34) - 
   (s14^2*s23^2*z3)/(s12*s234*s34^2*z34) - 
   (s14*s23^3*z3)/(2*s12*s234*s34^2*z34) + 
   (s14*s23^3*z3)/(2*s134*s234*s34^2*z34) + (2*s13*s24*z3)/(s34^2*z34) + 
   (2*s13^2*s24*z3)/(s12*s34^2*z34) + (s12*s13*s24*z3)/(s134*s34^2*z34) + 
   (s13^2*s24*z3)/(2*s134*s34^2*z34) - (s13^3*s24*z3)/
    (2*s12*s134*s34^2*z34) + (4*s14*s24*z3)/(s34^2*z34) + 
   (8*s13*s14*s24*z3)/(s12*s34^2*z34) + (2*s12*s14*s24*z3)/(s134*s34^2*z34) + 
   (9*s13*s14*s24*z3)/(2*s134*s34^2*z34) - (s13^2*s14*s24*z3)/
    (s12*s134*s34^2*z34) + (6*s14^2*s24*z3)/(s12*s34^2*z34) + 
   (4*s14^2*s24*z3)/(s134*s34^2*z34) - (s13*s14^2*s24*z3)/
    (2*s12*s134*s34^2*z34) + (2*s23*s24*z3)/(s34^2*z34) + 
   (4*s13*s23*s24*z3)/(s12*s34^2*z34) + (s13*s23*s24*z3)/(2*s134*s34^2*z34) - 
   (s13^2*s23*s24*z3)/(s12*s134*s34^2*z34) + (8*s14*s23*s24*z3)/
    (s12*s34^2*z34) + (7*s14*s23*s24*z3)/(2*s134*s34^2*z34) + 
   (s14^2*s23*s24*z3)/(s12*s134*s34^2*z34) + (2*s23^2*s24*z3)/
    (s12*s34^2*z34) - (s13*s23^2*s24*z3)/(2*s12*s134*s34^2*z34) + 
   (s14*s23^2*s24*z3)/(s12*s134*s34^2*z34) + (s12*s13*s24*z3)/
    (s234*s34^2*z34) + (3*s13^2*s24*z3)/(2*s234*s34^2*z34) + 
   (s13^3*s24*z3)/(2*s12*s234*s34^2*z34) + (s12^2*s13*s24*z3)/
    (s134*s234*s34^2*z34) + (3*s12*s13^2*s24*z3)/(2*s134*s234*s34^2*z34) + 
   (s13^3*s24*z3)/(2*s134*s234*s34^2*z34) + (2*s12*s14*s24*z3)/
    (s234*s34^2*z34) + (7*s13*s14*s24*z3)/(2*s234*s34^2*z34) + 
   (s13^2*s14*s24*z3)/(s12*s234*s34^2*z34) + (2*s12^2*s14*s24*z3)/
    (s134*s234*s34^2*z34) + (7*s12*s13*s14*s24*z3)/(2*s134*s234*s34^2*z34) + 
   (s13^2*s14*s24*z3)/(s134*s234*s34^2*z34) + 
   (2*s14^2*s24*z3)/(s234*s34^2*z34) + (s13*s14^2*s24*z3)/
    (2*s12*s234*s34^2*z34) + (2*s12*s14^2*s24*z3)/(s134*s234*s34^2*z34) + 
   (s13*s14^2*s24*z3)/(2*s134*s234*s34^2*z34) + 
   (2*s12*s23*s24*z3)/(s234*s34^2*z34) + (7*s13*s23*s24*z3)/
    (2*s234*s34^2*z34) + (s13^2*s23*s24*z3)/(s12*s234*s34^2*z34) + 
   (s12*s13*s23*s24*z3)/(2*s134*s234*s34^2*z34) + 
   (9*s14*s23*s24*z3)/(2*s234*s34^2*z34) + (7*s12*s14*s23*s24*z3)/
    (2*s134*s234*s34^2*z34) - (s14^2*s23*s24*z3)/(s12*s234*s34^2*z34) + 
   (2*s23^2*s24*z3)/(s234*s34^2*z34) + (s13*s23^2*s24*z3)/
    (2*s12*s234*s34^2*z34) - (s13*s23^2*s24*z3)/(2*s134*s234*s34^2*z34) - 
   (s14*s23^2*s24*z3)/(s12*s234*s34^2*z34) + (s14*s23^2*s24*z3)/
    (s134*s234*s34^2*z34) + (2*s24^2*z3)/(s34^2*z34) + 
   (4*s13*s24^2*z3)/(s12*s34^2*z34) + (s13*s24^2*z3)/(2*s134*s34^2*z34) - 
   (s13^2*s24^2*z3)/(s12*s134*s34^2*z34) + (6*s14*s24^2*z3)/(s12*s34^2*z34) + 
   (2*s14*s24^2*z3)/(s134*s34^2*z34) - (s13*s14*s24^2*z3)/
    (s12*s134*s34^2*z34) + (4*s23*s24^2*z3)/(s12*s34^2*z34) - 
   (s13*s23*s24^2*z3)/(s12*s134*s34^2*z34) + (s14*s23*s24^2*z3)/
    (2*s12*s134*s34^2*z34) + (2*s12*s24^2*z3)/(s234*s34^2*z34) + 
   (7*s13*s24^2*z3)/(2*s234*s34^2*z34) + (s13^2*s24^2*z3)/
    (s12*s234*s34^2*z34) + (s12*s13*s24^2*z3)/(2*s134*s234*s34^2*z34) + 
   (4*s14*s24^2*z3)/(s234*s34^2*z34) + (s13*s14*s24^2*z3)/
    (s12*s234*s34^2*z34) + (2*s12*s14*s24^2*z3)/(s134*s234*s34^2*z34) + 
   (4*s23*s24^2*z3)/(s234*s34^2*z34) + (s13*s23*s24^2*z3)/
    (s12*s234*s34^2*z34) - (s13*s23*s24^2*z3)/(s134*s234*s34^2*z34) - 
   (s14*s23*s24^2*z3)/(2*s12*s234*s34^2*z34) + 
   (s14*s23*s24^2*z3)/(2*s134*s234*s34^2*z34) + 
   (2*s24^3*z3)/(s12*s34^2*z34) - (s13*s24^3*z3)/(2*s12*s134*s34^2*z34) + 
   (2*s24^3*z3)/(s234*s34^2*z34) + (s13*s24^3*z3)/(2*s12*s234*s34^2*z34) - 
   (s13*s24^3*z3)/(2*s134*s234*s34^2*z34) + (2*s14*z3)/(s34*z34) + 
   (4*s13*s14*z3)/(s12*s34*z34) + (s13*s14*z3)/(2*s123*s34*z34) + 
   (s13*s14*z3)/(2*s124*s34*z34) + (s13^2*s14*z3)/(2*s12*s123*s34*z34) + 
   (s13^2*s14*z3)/(2*s12*s124*s34*z34) + (2*s12*s14*z3)/(s134*s34*z34) + 
   (4*s13*s14*z3)/(s134*s34*z34) + (s12*s13*s14*z3)/(s123*s134*s34*z34) - 
   (s12*s13*s14*z3)/(2*s124*s134*s34*z34) + 
   (s13^2*s14*z3)/(s123*s134*s34*z34) - (s13^2*s14*z3)/
    (2*s124*s134*s34*z34) + (4*s14^2*z3)/(s12*s34*z34) + 
   (s14^2*z3)/(2*s123*s34*z34) + (s14^2*z3)/(2*s124*s34*z34) + 
   (s13*s14^2*z3)/(s12*s123*s34*z34) + (s13*s14^2*z3)/(s12*s124*s34*z34) + 
   (4*s14^2*z3)/(s134*s34*z34) + (s12*s14^2*z3)/(s123*s134*s34*z34) - 
   (s12*s14^2*z3)/(2*s124*s134*s34*z34) + (2*s13*s14^2*z3)/
    (s123*s134*s34*z34) - (s13*s14^2*z3)/(s124*s134*s34*z34) + 
   (s14^3*z3)/(2*s12*s123*s34*z34) + (s14^3*z3)/(2*s12*s124*s34*z34) + 
   (s14^3*z3)/(s123*s134*s34*z34) - (s14^3*z3)/(2*s124*s134*s34*z34) + 
   (4*s14*s23*z3)/(s12*s34*z34) + (s14*s23*z3)/(2*s123*s34*z34) + 
   (s14*s23*z3)/(2*s124*s34*z34) + (s13*s14*s23*z3)/(s12*s123*s34*z34) + 
   (s13*s14*s23*z3)/(s12*s124*s34*z34) + (7*s14*s23*z3)/(2*s134*s34*z34) + 
   (s13*s14*s23*z3)/(s12*s134*s34*z34) + (s13*s14*s23*z3)/
    (s123*s134*s34*z34) - (s13*s14*s23*z3)/(2*s124*s134*s34*z34) + 
   (s14^2*s23*z3)/(s12*s123*s34*z34) + (s14^2*s23*z3)/(s12*s124*s34*z34) + 
   (s14^2*s23*z3)/(s12*s134*s34*z34) + (s14^2*s23*z3)/(s123*s134*s34*z34) - 
   (s14^2*s23*z3)/(2*s124*s134*s34*z34) + (s14*s23^2*z3)/
    (2*s12*s123*s34*z34) + (s14*s23^2*z3)/(2*s12*s124*s34*z34) + 
   (s14*s23^2*z3)/(s12*s134*s34*z34) + (s12*s14*z3)/(s234*s34*z34) + 
   (s13*s14*z3)/(s234*s34*z34) + (s12^2*s14*z3)/(s134*s234*s34*z34) + 
   (s12*s13*s14*z3)/(s134*s234*s34*z34) + (s14^2*z3)/(s234*s34*z34) + 
   (s12*s14^2*z3)/(s134*s234*s34*z34) + (3*s14*s23*z3)/(2*s234*s34*z34) - 
   (s12*s14*s23*z3)/(2*s123*s234*s34*z34) + (s12*s14*s23*z3)/
    (s124*s234*s34*z34) - (s13*s14*s23*z3)/(s12*s234*s34*z34) - 
   (s13*s14*s23*z3)/(2*s123*s234*s34*z34) + (s13*s14*s23*z3)/
    (s124*s234*s34*z34) + (2*s12*s14*s23*z3)/(s134*s234*s34*z34) - 
   (s13*s14*s23*z3)/(2*s134*s234*s34*z34) - 
   (s14^2*s23*z3)/(s12*s234*s34*z34) - (s14^2*s23*z3)/(2*s123*s234*s34*z34) + 
   (s14^2*s23*z3)/(s124*s234*s34*z34) - (s14^2*s23*z3)/
    (2*s134*s234*s34*z34) - (s14*s23^2*z3)/(s12*s234*s34*z34) - 
   (s14*s23^2*z3)/(2*s123*s234*s34*z34) + (s14*s23^2*z3)/
    (s124*s234*s34*z34) + (s14*s23^2*z3)/(2*s134*s234*s34*z34) + 
   (2*s24*z3)/(s34*z34) + (4*s13*s24*z3)/(s12*s34*z34) + 
   (s13*s24*z3)/(2*s123*s34*z34) + (s13*s24*z3)/(2*s124*s34*z34) + 
   (s13^2*s24*z3)/(2*s12*s123*s34*z34) + (s13^2*s24*z3)/
    (2*s12*s124*s34*z34) + (s12*s24*z3)/(s134*s34*z34) + 
   (3*s13*s24*z3)/(2*s134*s34*z34) + (s12*s13*s24*z3)/(s123*s134*s34*z34) - 
   (s12*s13*s24*z3)/(2*s124*s134*s34*z34) - 
   (s13^2*s24*z3)/(s12*s134*s34*z34) + (s13^2*s24*z3)/(s123*s134*s34*z34) - 
   (s13^2*s24*z3)/(2*s124*s134*s34*z34) + (8*s14*s24*z3)/(s12*s34*z34) + 
   (s14*s24*z3)/(s123*s34*z34) + (s14*s24*z3)/(s124*s34*z34) + 
   (2*s13*s14*s24*z3)/(s12*s123*s34*z34) + (2*s13*s14*s24*z3)/
    (s12*s124*s34*z34) + (5*s14*s24*z3)/(s134*s34*z34) + 
   (s12*s14*s24*z3)/(s123*s134*s34*z34) - (s12*s14*s24*z3)/
    (2*s124*s134*s34*z34) - (s13*s14*s24*z3)/(s12*s134*s34*z34) + 
   (3*s13*s14*s24*z3)/(s123*s134*s34*z34) - (3*s13*s14*s24*z3)/
    (2*s124*s134*s34*z34) + (3*s14^2*s24*z3)/(2*s12*s123*s34*z34) + 
   (3*s14^2*s24*z3)/(2*s12*s124*s34*z34) + (2*s14^2*s24*z3)/
    (s123*s134*s34*z34) - (s14^2*s24*z3)/(s124*s134*s34*z34) + 
   (4*s23*s24*z3)/(s12*s34*z34) + (s23*s24*z3)/(2*s123*s34*z34) + 
   (s23*s24*z3)/(2*s124*s34*z34) + (s13*s23*s24*z3)/(s12*s123*s34*z34) + 
   (s13*s23*s24*z3)/(s12*s124*s34*z34) + (s23*s24*z3)/(s134*s34*z34) - 
   (s13*s23*s24*z3)/(s12*s134*s34*z34) + (s13*s23*s24*z3)/
    (s123*s134*s34*z34) - (s13*s23*s24*z3)/(2*s124*s134*s34*z34) + 
   (2*s14*s23*s24*z3)/(s12*s123*s34*z34) + (2*s14*s23*s24*z3)/
    (s12*s124*s34*z34) + (s14*s23*s24*z3)/(s12*s134*s34*z34) + 
   (s14*s23*s24*z3)/(s123*s134*s34*z34) - (s14*s23*s24*z3)/
    (2*s124*s134*s34*z34) + (s23^2*s24*z3)/(2*s12*s123*s34*z34) + 
   (s23^2*s24*z3)/(2*s12*s124*s34*z34) + (2*s12*s24*z3)/(s234*s34*z34) + 
   (7*s13*s24*z3)/(2*s234*s34*z34) + (s13^2*s24*z3)/(s12*s234*s34*z34) + 
   (s12^2*s24*z3)/(s134*s234*s34*z34) + (2*s12*s13*s24*z3)/
    (s134*s234*s34*z34) + (s13^2*s24*z3)/(2*s134*s234*s34*z34) + 
   (5*s14*s24*z3)/(s234*s34*z34) - (s12*s14*s24*z3)/(2*s123*s234*s34*z34) + 
   (s12*s14*s24*z3)/(s124*s234*s34*z34) + (s13*s14*s24*z3)/
    (s12*s234*s34*z34) - (s13*s14*s24*z3)/(2*s123*s234*s34*z34) + 
   (s13*s14*s24*z3)/(s124*s234*s34*z34) + (4*s12*s14*s24*z3)/
    (s134*s234*s34*z34) + (s13*s14*s24*z3)/(2*s134*s234*s34*z34) - 
   (s14^2*s24*z3)/(2*s123*s234*s34*z34) + (s14^2*s24*z3)/
    (s124*s234*s34*z34) + (4*s23*s24*z3)/(s234*s34*z34) - 
   (s12*s23*s24*z3)/(2*s123*s234*s34*z34) + (s12*s23*s24*z3)/
    (s124*s234*s34*z34) + (s13*s23*s24*z3)/(s12*s234*s34*z34) - 
   (s13*s23*s24*z3)/(2*s123*s234*s34*z34) + (s13*s23*s24*z3)/
    (s124*s234*s34*z34) + (s12*s23*s24*z3)/(s134*s234*s34*z34) - 
   (s13*s23*s24*z3)/(2*s134*s234*s34*z34) - (s14*s23*s24*z3)/
    (s12*s234*s34*z34) - (3*s14*s23*s24*z3)/(2*s123*s234*s34*z34) + 
   (3*s14*s23*s24*z3)/(s124*s234*s34*z34) + (s14*s23*s24*z3)/
    (2*s134*s234*s34*z34) - (s23^2*s24*z3)/(2*s123*s234*s34*z34) + 
   (s23^2*s24*z3)/(s124*s234*s34*z34) + (4*s24^2*z3)/(s12*s34*z34) + 
   (s24^2*z3)/(2*s123*s34*z34) + (s24^2*z3)/(2*s124*s34*z34) + 
   (s13*s24^2*z3)/(s12*s123*s34*z34) + (s13*s24^2*z3)/(s12*s124*s34*z34) + 
   (s24^2*z3)/(s134*s34*z34) - (s13*s24^2*z3)/(s12*s134*s34*z34) + 
   (s13*s24^2*z3)/(s123*s134*s34*z34) - (s13*s24^2*z3)/
    (2*s124*s134*s34*z34) + (3*s14*s24^2*z3)/(2*s12*s123*s34*z34) + 
   (3*s14*s24^2*z3)/(2*s12*s124*s34*z34) + 
   (s14*s24^2*z3)/(s123*s134*s34*z34) - (s14*s24^2*z3)/
    (2*s124*s134*s34*z34) + (s23*s24^2*z3)/(s12*s123*s34*z34) + 
   (s23*s24^2*z3)/(s12*s124*s34*z34) + (4*s24^2*z3)/(s234*s34*z34) - 
   (s12*s24^2*z3)/(2*s123*s234*s34*z34) + (s12*s24^2*z3)/
    (s124*s234*s34*z34) + (s13*s24^2*z3)/(s12*s234*s34*z34) - 
   (s13*s24^2*z3)/(2*s123*s234*s34*z34) + (s13*s24^2*z3)/
    (s124*s234*s34*z34) + (s12*s24^2*z3)/(s134*s234*s34*z34) - 
   (s13*s24^2*z3)/(2*s134*s234*s34*z34) - (s14*s24^2*z3)/
    (s123*s234*s34*z34) + (2*s14*s24^2*z3)/(s124*s234*s34*z34) - 
   (s23*s24^2*z3)/(s123*s234*s34*z34) + (2*s23*s24^2*z3)/
    (s124*s234*s34*z34) + (s24^3*z3)/(2*s12*s123*s34*z34) + 
   (s24^3*z3)/(2*s12*s124*s34*z34) - (s24^3*z3)/(2*s123*s234*s34*z34) + 
   (s24^3*z3)/(s124*s234*s34*z34) + (s14*s34*z3)/(2*s12*s123*z34) + 
   (s14*s34*z3)/(2*s12*s124*z34) + (s14*s34*z3)/(s123*s134*z34) - 
   (s14*s34*z3)/(2*s124*s134*z34) - (s14*s34*z3)/(2*s123*s234*z34) + 
   (s14*s34*z3)/(s124*s234*z34) + (s24*s34*z3)/(2*s12*s123*z34) + 
   (s24*s34*z3)/(2*s12*s124*z34) + (s24*s34*z3)/(s123*s134*z34) - 
   (s24*s34*z3)/(2*s124*s134*z34) - (s24*s34*z3)/(2*s123*s234*z34) + 
   (s24*s34*z3)/(s124*s234*z34) - (2*z4)/z12 - (s12*z4)/(s123*z12) - 
   (2*s12*z4)/(s124*z12) - (2*s13*z4)/(s12*z12) - (3*s13*z4)/(2*s123*z12) - 
   (7*s13*z4)/(2*s124*z12) - (s13^2*z4)/(2*s12*s123*z12) - 
   (3*s13^2*z4)/(2*s12*s124*z12) - (s13^2*z4)/(2*s123*s124*z12) - 
   (s13^3*z4)/(2*s12*s123*s124*z12) - (s12*z4)/(2*s134*z12) - 
   (s12^2*z4)/(s123*s134*z12) + (s12^2*z4)/(2*s124*s134*z12) - 
   (s13*z4)/(2*s134*z12) - (2*s12*s13*z4)/(s123*s134*z12) + 
   (s12*s13*z4)/(2*s124*s134*z12) - (s13^2*z4)/(s123*s134*z12) - 
   (2*s14*z4)/(s12*z12) - (s14*z4)/(s123*z12) - (4*s14*z4)/(s124*z12) - 
   (s13*s14*z4)/(2*s12*s123*z12) - (7*s13*s14*z4)/(2*s12*s124*z12) + 
   (s13*s14*z4)/(2*s123*s124*z12) - (s14*z4)/(2*s134*z12) - 
   (s12*s14*z4)/(s123*s134*z12) + (s12*s14*z4)/(s124*s134*z12) - 
   (s13*s14*z4)/(s123*s134*z12) + (s13*s14*z4)/(2*s124*s134*z12) - 
   (2*s14^2*z4)/(s12*s124*z12) + (s13*s14^2*z4)/(2*s12*s123*s124*z12) + 
   (s14^2*z4)/(2*s124*s134*z12) - (2*s23*z4)/(s12*z12) - 
   (3*s23*z4)/(2*s123*z12) - (7*s23*z4)/(2*s124*z12) - 
   (s13*s23*z4)/(s12*s123*z12) - (3*s13*s23*z4)/(s12*s124*z12) - 
   (s13*s23*z4)/(s123*s124*z12) - (3*s13^2*s23*z4)/(2*s12*s123*s124*z12) - 
   (s23*z4)/(2*s134*z12) - (2*s12*s23*z4)/(s123*s134*z12) + 
   (s12*s23*z4)/(2*s124*s134*z12) - (2*s13*s23*z4)/(s123*s134*z12) - 
   (s14*s23*z4)/(2*s12*s123*z12) - (7*s14*s23*z4)/(2*s12*s124*z12) + 
   (s14*s23*z4)/(2*s123*s124*z12) - (s14*s23*z4)/(s123*s134*z12) + 
   (s14*s23*z4)/(2*s124*s134*z12) + (s14^2*s23*z4)/(2*s12*s123*s124*z12) - 
   (s23^2*z4)/(2*s12*s123*z12) - (3*s23^2*z4)/(2*s12*s124*z12) - 
   (s23^2*z4)/(2*s123*s124*z12) - (3*s13*s23^2*z4)/(2*s12*s123*s124*z12) - 
   (s23^2*z4)/(s123*s134*z12) - (s23^3*z4)/(2*s12*s123*s124*z12) - 
   (s12*z4)/(2*s234*z12) + (s12^2*z4)/(2*s123*s234*z12) - 
   (s12^2*z4)/(s124*s234*z12) - (s13*z4)/(2*s234*z12) + 
   (s12*s13*z4)/(s123*s234*z12) - (s12*s13*z4)/(s124*s234*z12) + 
   (s13^2*z4)/(2*s123*s234*z12) - (s14*z4)/(2*s234*z12) + 
   (s12*s14*z4)/(2*s123*s234*z12) - (2*s12*s14*z4)/(s124*s234*z12) + 
   (s13*s14*z4)/(2*s123*s234*z12) - (s13*s14*z4)/(s124*s234*z12) - 
   (s14^2*z4)/(s124*s234*z12) - (s23*z4)/(2*s234*z12) + 
   (s12*s23*z4)/(s123*s234*z12) - (s12*s23*z4)/(s124*s234*z12) + 
   (s13*s23*z4)/(s123*s234*z12) + (s14*s23*z4)/(2*s123*s234*z12) - 
   (s14*s23*z4)/(s124*s234*z12) + (s23^2*z4)/(2*s123*s234*z12) - 
   (2*s24*z4)/(s12*z12) - (s24*z4)/(s123*z12) - (4*s24*z4)/(s124*z12) - 
   (s13*s24*z4)/(2*s12*s123*z12) - (7*s13*s24*z4)/(2*s12*s124*z12) + 
   (s13*s24*z4)/(2*s123*s124*z12) - (s24*z4)/(2*s134*z12) - 
   (s12*s24*z4)/(s123*s134*z12) + (s12*s24*z4)/(s124*s134*z12) - 
   (s13*s24*z4)/(s123*s134*z12) + (s13*s24*z4)/(2*s124*s134*z12) - 
   (4*s14*s24*z4)/(s12*s124*z12) + (s13*s14*s24*z4)/(s12*s123*s124*z12) + 
   (s14*s24*z4)/(s124*s134*z12) - (s23*s24*z4)/(2*s12*s123*z12) - 
   (7*s23*s24*z4)/(2*s12*s124*z12) + (s23*s24*z4)/(2*s123*s124*z12) - 
   (s23*s24*z4)/(s123*s134*z12) + (s23*s24*z4)/(2*s124*s134*z12) + 
   (s14*s23*s24*z4)/(s12*s123*s124*z12) - (s24*z4)/(2*s234*z12) + 
   (s12*s24*z4)/(2*s123*s234*z12) - (2*s12*s24*z4)/(s124*s234*z12) + 
   (s13*s24*z4)/(2*s123*s234*z12) - (s13*s24*z4)/(s124*s234*z12) - 
   (2*s14*s24*z4)/(s124*s234*z12) + (s23*s24*z4)/(2*s123*s234*z12) - 
   (s23*s24*z4)/(s124*s234*z12) - (2*s24^2*z4)/(s12*s124*z12) + 
   (s13*s24^2*z4)/(2*s12*s123*s124*z12) + (s24^2*z4)/(2*s124*s134*z12) + 
   (s23*s24^2*z4)/(2*s12*s123*s124*z12) - (s24^2*z4)/(s124*s234*z12) - 
   (2*s12*z4)/(s34*z12) - (4*s13*z4)/(s34*z12) + 
   (s12*s13*z4)/(2*s123*s34*z12) - (s12*s13*z4)/(2*s124*s34*z12) - 
   (2*s13^2*z4)/(s12*s34*z12) + (s13^2*z4)/(s123*s34*z12) - 
   (s13^2*z4)/(s124*s34*z12) + (s13^3*z4)/(2*s12*s123*s34*z12) - 
   (s13^3*z4)/(2*s12*s124*s34*z12) - (s12^2*z4)/(2*s134*s34*z12) - 
   (s12*s13*z4)/(s134*s34*z12) - (s13^2*z4)/(2*s134*s34*z12) - 
   (4*s14*z4)/(s34*z12) - (4*s13*s14*z4)/(s12*s34*z12) + 
   (s13*s14*z4)/(s123*s34*z12) - (s13*s14*z4)/(s124*s34*z12) + 
   (s13^2*s14*z4)/(s12*s123*s34*z12) - (s13^2*s14*z4)/(s12*s124*s34*z12) - 
   (s12*s14*z4)/(s134*s34*z12) - (s13*s14*z4)/(s134*s34*z12) - 
   (2*s14^2*z4)/(s12*s34*z12) + (s13*s14^2*z4)/(2*s12*s123*s34*z12) - 
   (s13*s14^2*z4)/(2*s12*s124*s34*z12) - (s14^2*z4)/(2*s134*s34*z12) - 
   (4*s23*z4)/(s34*z12) + (s12*s23*z4)/(2*s123*s34*z12) - 
   (s12*s23*z4)/(2*s124*s34*z12) - (4*s13*s23*z4)/(s12*s34*z12) + 
   (2*s13*s23*z4)/(s123*s34*z12) - (2*s13*s23*z4)/(s124*s34*z12) + 
   (3*s13^2*s23*z4)/(2*s12*s123*s34*z12) - (3*s13^2*s23*z4)/
    (2*s12*s124*s34*z12) - (s12*s23*z4)/(s134*s34*z12) - 
   (s13*s23*z4)/(s134*s34*z12) - (4*s14*s23*z4)/(s12*s34*z12) + 
   (s14*s23*z4)/(s123*s34*z12) - (s14*s23*z4)/(s124*s34*z12) + 
   (2*s13*s14*s23*z4)/(s12*s123*s34*z12) - (2*s13*s14*s23*z4)/
    (s12*s124*s34*z12) - (s14*s23*z4)/(s134*s34*z12) + 
   (s14^2*s23*z4)/(2*s12*s123*s34*z12) - (s14^2*s23*z4)/
    (2*s12*s124*s34*z12) - (2*s23^2*z4)/(s12*s34*z12) + 
   (s23^2*z4)/(s123*s34*z12) - (s23^2*z4)/(s124*s34*z12) + 
   (3*s13*s23^2*z4)/(2*s12*s123*s34*z12) - (3*s13*s23^2*z4)/
    (2*s12*s124*s34*z12) - (s23^2*z4)/(2*s134*s34*z12) + 
   (s14*s23^2*z4)/(s12*s123*s34*z12) - (s14*s23^2*z4)/(s12*s124*s34*z12) + 
   (s23^3*z4)/(2*s12*s123*s34*z12) - (s23^3*z4)/(2*s12*s124*s34*z12) - 
   (s12^2*z4)/(2*s234*s34*z12) - (s12*s13*z4)/(s234*s34*z12) - 
   (s13^2*z4)/(2*s234*s34*z12) - (s12*s14*z4)/(s234*s34*z12) - 
   (s13*s14*z4)/(s234*s34*z12) - (s14^2*z4)/(2*s234*s34*z12) - 
   (s12*s23*z4)/(s234*s34*z12) - (s13*s23*z4)/(s234*s34*z12) - 
   (s14*s23*z4)/(s234*s34*z12) - (s23^2*z4)/(2*s234*s34*z12) - 
   (4*s24*z4)/(s34*z12) - (4*s13*s24*z4)/(s12*s34*z12) + 
   (s13*s24*z4)/(s123*s34*z12) - (s13*s24*z4)/(s124*s34*z12) + 
   (s13^2*s24*z4)/(s12*s123*s34*z12) - (s13^2*s24*z4)/(s12*s124*s34*z12) - 
   (s12*s24*z4)/(s134*s34*z12) - (s13*s24*z4)/(s134*s34*z12) - 
   (4*s14*s24*z4)/(s12*s34*z12) + (s13*s14*s24*z4)/(s12*s123*s34*z12) - 
   (s13*s14*s24*z4)/(s12*s124*s34*z12) - (s14*s24*z4)/(s134*s34*z12) - 
   (4*s23*s24*z4)/(s12*s34*z12) + (s23*s24*z4)/(s123*s34*z12) - 
   (s23*s24*z4)/(s124*s34*z12) + (2*s13*s23*s24*z4)/(s12*s123*s34*z12) - 
   (2*s13*s23*s24*z4)/(s12*s124*s34*z12) - (s23*s24*z4)/(s134*s34*z12) + 
   (s14*s23*s24*z4)/(s12*s123*s34*z12) - (s14*s23*s24*z4)/
    (s12*s124*s34*z12) + (s23^2*s24*z4)/(s12*s123*s34*z12) - 
   (s23^2*s24*z4)/(s12*s124*s34*z12) - (s12*s24*z4)/(s234*s34*z12) - 
   (s13*s24*z4)/(s234*s34*z12) - (s14*s24*z4)/(s234*s34*z12) - 
   (s23*s24*z4)/(s234*s34*z12) - (2*s24^2*z4)/(s12*s34*z12) + 
   (s13*s24^2*z4)/(2*s12*s123*s34*z12) - (s13*s24^2*z4)/
    (2*s12*s124*s34*z12) - (s24^2*z4)/(2*s134*s34*z12) + 
   (s23*s24^2*z4)/(2*s12*s123*s34*z12) - (s23*s24^2*z4)/
    (2*s12*s124*s34*z12) - (s24^2*z4)/(2*s234*s34*z12) - 
   (s34*z4)/(s123*z12) - (2*s34*z4)/(s124*z12) - 
   (s12*s34*z4)/(s123*s124*z12) - (s13*s34*z4)/(s12*s123*z12) - 
   (s13*s34*z4)/(s12*s124*z12) - (2*s13*s34*z4)/(s123*s124*z12) - 
   (3*s13^2*s34*z4)/(2*s12*s123*s124*z12) - (s12*s34*z4)/(s123*s134*z12) + 
   (s12*s34*z4)/(2*s124*s134*z12) - (s13*s34*z4)/(s123*s134*z12) - 
   (2*s14*s34*z4)/(s12*s124*z12) - (s14*s34*z4)/(s123*s124*z12) - 
   (s13*s14*s34*z4)/(2*s12*s123*s124*z12) + (s14*s34*z4)/(2*s124*s134*z12) - 
   (s23*s34*z4)/(s12*s123*z12) - (s23*s34*z4)/(s12*s124*z12) - 
   (2*s23*s34*z4)/(s123*s124*z12) - (3*s13*s23*s34*z4)/(s12*s123*s124*z12) - 
   (s23*s34*z4)/(s123*s134*z12) - (s14*s23*s34*z4)/(2*s12*s123*s124*z12) - 
   (3*s23^2*s34*z4)/(2*s12*s123*s124*z12) + (s12*s34*z4)/(2*s123*s234*z12) - 
   (s12*s34*z4)/(s124*s234*z12) + (s13*s34*z4)/(2*s123*s234*z12) - 
   (s14*s34*z4)/(s124*s234*z12) + (s23*s34*z4)/(2*s123*s234*z12) - 
   (2*s24*s34*z4)/(s12*s124*z12) - (s24*s34*z4)/(s123*s124*z12) - 
   (s13*s24*s34*z4)/(2*s12*s123*s124*z12) + (s24*s34*z4)/(2*s124*s134*z12) - 
   (s23*s24*s34*z4)/(2*s12*s123*s124*z12) - (s24*s34*z4)/(s124*s234*z12) - 
   (s34^2*z4)/(s123*s124*z12) - (s13*s34^2*z4)/(s12*s123*s124*z12) - 
   (s23*s34^2*z4)/(s12*s123*s124*z12) - (2*z3*z4)/z34^2 - 
   (6*s13*z3*z4)/(s12*z34^2) - (2*s12*z3*z4)/(s134*z34^2) - 
   (6*s13*z3*z4)/(s134*z34^2) - (6*s14*z3*z4)/(s12*z34^2) - 
   (6*s14*z3*z4)/(s134*z34^2) - (6*s23*z3*z4)/(s12*z34^2) - 
   (4*s23*z3*z4)/(s134*z34^2) - (2*s12*z3*z4)/(s234*z34^2) - 
   (4*s13*z3*z4)/(s234*z34^2) - (2*s12^2*z3*z4)/(s134*s234*z34^2) - 
   (4*s12*s13*z3*z4)/(s134*s234*z34^2) - (4*s14*z3*z4)/(s234*z34^2) - 
   (4*s12*s14*z3*z4)/(s134*s234*z34^2) - (6*s23*z3*z4)/(s234*z34^2) - 
   (4*s12*s23*z3*z4)/(s134*s234*z34^2) - (6*s24*z3*z4)/(s12*z34^2) - 
   (4*s24*z3*z4)/(s134*z34^2) - (6*s24*z3*z4)/(s234*z34^2) - 
   (4*s12*s24*z3*z4)/(s134*s234*z34^2) - (2*s13^2*z3*z4)/(s34^2*z34^2) - 
   (2*s13^3*z3*z4)/(s12*s34^2*z34^2) - (2*s12*s13^2*z3*z4)/
    (s134*s34^2*z34^2) - (2*s13^3*z3*z4)/(s134*s34^2*z34^2) - 
   (4*s13*s14*z3*z4)/(s34^2*z34^2) - (6*s13^2*s14*z3*z4)/(s12*s34^2*z34^2) - 
   (4*s12*s13*s14*z3*z4)/(s134*s34^2*z34^2) - (6*s13^2*s14*z3*z4)/
    (s134*s34^2*z34^2) - (2*s14^2*z3*z4)/(s34^2*z34^2) - 
   (6*s13*s14^2*z3*z4)/(s12*s34^2*z34^2) - (2*s12*s14^2*z3*z4)/
    (s134*s34^2*z34^2) - (6*s13*s14^2*z3*z4)/(s134*s34^2*z34^2) - 
   (2*s14^3*z3*z4)/(s12*s34^2*z34^2) - (2*s14^3*z3*z4)/(s134*s34^2*z34^2) - 
   (4*s13*s23*z3*z4)/(s34^2*z34^2) - (6*s13^2*s23*z3*z4)/(s12*s34^2*z34^2) - 
   (2*s12*s13*s23*z3*z4)/(s134*s34^2*z34^2) - (4*s13^2*s23*z3*z4)/
    (s134*s34^2*z34^2) - (4*s14*s23*z3*z4)/(s34^2*z34^2) - 
   (12*s13*s14*s23*z3*z4)/(s12*s34^2*z34^2) - (2*s12*s14*s23*z3*z4)/
    (s134*s34^2*z34^2) - (8*s13*s14*s23*z3*z4)/(s134*s34^2*z34^2) - 
   (6*s14^2*s23*z3*z4)/(s12*s34^2*z34^2) - (4*s14^2*s23*z3*z4)/
    (s134*s34^2*z34^2) - (2*s23^2*z3*z4)/(s34^2*z34^2) - 
   (6*s13*s23^2*z3*z4)/(s12*s34^2*z34^2) - (2*s13*s23^2*z3*z4)/
    (s134*s34^2*z34^2) - (6*s14*s23^2*z3*z4)/(s12*s34^2*z34^2) - 
   (2*s14*s23^2*z3*z4)/(s134*s34^2*z34^2) - (2*s23^3*z3*z4)/
    (s12*s34^2*z34^2) - (2*s12*s13*s23*z3*z4)/(s234*s34^2*z34^2) - 
   (2*s13^2*s23*z3*z4)/(s234*s34^2*z34^2) - (2*s12^2*s13*s23*z3*z4)/
    (s134*s234*s34^2*z34^2) - (2*s12*s13^2*s23*z3*z4)/
    (s134*s234*s34^2*z34^2) - (2*s12*s14*s23*z3*z4)/(s234*s34^2*z34^2) - 
   (4*s13*s14*s23*z3*z4)/(s234*s34^2*z34^2) - (2*s12^2*s14*s23*z3*z4)/
    (s134*s234*s34^2*z34^2) - (4*s12*s13*s14*s23*z3*z4)/
    (s134*s234*s34^2*z34^2) - (2*s14^2*s23*z3*z4)/(s234*s34^2*z34^2) - 
   (2*s12*s14^2*s23*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (2*s12*s23^2*z3*z4)/(s234*s34^2*z34^2) - (4*s13*s23^2*z3*z4)/
    (s234*s34^2*z34^2) - (2*s12*s13*s23^2*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (4*s14*s23^2*z3*z4)/(s234*s34^2*z34^2) - (2*s12*s14*s23^2*z3*z4)/
    (s134*s234*s34^2*z34^2) - (2*s23^3*z3*z4)/(s234*s34^2*z34^2) - 
   (4*s13*s24*z3*z4)/(s34^2*z34^2) - (6*s13^2*s24*z3*z4)/(s12*s34^2*z34^2) - 
   (2*s12*s13*s24*z3*z4)/(s134*s34^2*z34^2) - (4*s13^2*s24*z3*z4)/
    (s134*s34^2*z34^2) - (4*s14*s24*z3*z4)/(s34^2*z34^2) - 
   (12*s13*s14*s24*z3*z4)/(s12*s34^2*z34^2) - (2*s12*s14*s24*z3*z4)/
    (s134*s34^2*z34^2) - (8*s13*s14*s24*z3*z4)/(s134*s34^2*z34^2) - 
   (6*s14^2*s24*z3*z4)/(s12*s34^2*z34^2) - (4*s14^2*s24*z3*z4)/
    (s134*s34^2*z34^2) - (4*s23*s24*z3*z4)/(s34^2*z34^2) - 
   (12*s13*s23*s24*z3*z4)/(s12*s34^2*z34^2) - (4*s13*s23*s24*z3*z4)/
    (s134*s34^2*z34^2) - (12*s14*s23*s24*z3*z4)/(s12*s34^2*z34^2) - 
   (4*s14*s23*s24*z3*z4)/(s134*s34^2*z34^2) - (6*s23^2*s24*z3*z4)/
    (s12*s34^2*z34^2) - (2*s12*s13*s24*z3*z4)/(s234*s34^2*z34^2) - 
   (2*s13^2*s24*z3*z4)/(s234*s34^2*z34^2) - (2*s12^2*s13*s24*z3*z4)/
    (s134*s234*s34^2*z34^2) - (2*s12*s13^2*s24*z3*z4)/
    (s134*s234*s34^2*z34^2) - (2*s12*s14*s24*z3*z4)/(s234*s34^2*z34^2) - 
   (4*s13*s14*s24*z3*z4)/(s234*s34^2*z34^2) - (2*s12^2*s14*s24*z3*z4)/
    (s134*s234*s34^2*z34^2) - (4*s12*s13*s14*s24*z3*z4)/
    (s134*s234*s34^2*z34^2) - (2*s14^2*s24*z3*z4)/(s234*s34^2*z34^2) - 
   (2*s12*s14^2*s24*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (4*s12*s23*s24*z3*z4)/(s234*s34^2*z34^2) - (8*s13*s23*s24*z3*z4)/
    (s234*s34^2*z34^2) - (4*s12*s13*s23*s24*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (8*s14*s23*s24*z3*z4)/(s234*s34^2*z34^2) - (4*s12*s14*s23*s24*z3*z4)/
    (s134*s234*s34^2*z34^2) - (6*s23^2*s24*z3*z4)/(s234*s34^2*z34^2) - 
   (2*s24^2*z3*z4)/(s34^2*z34^2) - (6*s13*s24^2*z3*z4)/(s12*s34^2*z34^2) - 
   (2*s13*s24^2*z3*z4)/(s134*s34^2*z34^2) - (6*s14*s24^2*z3*z4)/
    (s12*s34^2*z34^2) - (2*s14*s24^2*z3*z4)/(s134*s34^2*z34^2) - 
   (6*s23*s24^2*z3*z4)/(s12*s34^2*z34^2) - (2*s12*s24^2*z3*z4)/
    (s234*s34^2*z34^2) - (4*s13*s24^2*z3*z4)/(s234*s34^2*z34^2) - 
   (2*s12*s13*s24^2*z3*z4)/(s134*s234*s34^2*z34^2) - 
   (4*s14*s24^2*z3*z4)/(s234*s34^2*z34^2) - (2*s12*s14*s24^2*z3*z4)/
    (s134*s234*s34^2*z34^2) - (6*s23*s24^2*z3*z4)/(s234*s34^2*z34^2) - 
   (2*s24^3*z3*z4)/(s12*s34^2*z34^2) - (2*s24^3*z3*z4)/(s234*s34^2*z34^2) - 
   (4*s13*z3*z4)/(s34*z34^2) - (6*s13^2*z3*z4)/(s12*s34*z34^2) - 
   (4*s12*s13*z3*z4)/(s134*s34*z34^2) - (6*s13^2*z3*z4)/(s134*s34*z34^2) - 
   (4*s14*z3*z4)/(s34*z34^2) - (12*s13*s14*z3*z4)/(s12*s34*z34^2) - 
   (4*s12*s14*z3*z4)/(s134*s34*z34^2) - (12*s13*s14*z3*z4)/(s134*s34*z34^2) - 
   (6*s14^2*z3*z4)/(s12*s34*z34^2) - (6*s14^2*z3*z4)/(s134*s34*z34^2) - 
   (4*s23*z3*z4)/(s34*z34^2) - (12*s13*s23*z3*z4)/(s12*s34*z34^2) - 
   (2*s12*s23*z3*z4)/(s134*s34*z34^2) - (8*s13*s23*z3*z4)/(s134*s34*z34^2) - 
   (12*s14*s23*z3*z4)/(s12*s34*z34^2) - (8*s14*s23*z3*z4)/(s134*s34*z34^2) - 
   (6*s23^2*z3*z4)/(s12*s34*z34^2) - (2*s23^2*z3*z4)/(s134*s34*z34^2) - 
   (2*s12*s13*z3*z4)/(s234*s34*z34^2) - (2*s13^2*z3*z4)/(s234*s34*z34^2) - 
   (2*s12^2*s13*z3*z4)/(s134*s234*s34*z34^2) - (2*s12*s13^2*z3*z4)/
    (s134*s234*s34*z34^2) - (2*s12*s14*z3*z4)/(s234*s34*z34^2) - 
   (4*s13*s14*z3*z4)/(s234*s34*z34^2) - (2*s12^2*s14*z3*z4)/
    (s134*s234*s34*z34^2) - (4*s12*s13*s14*z3*z4)/(s134*s234*s34*z34^2) - 
   (2*s14^2*z3*z4)/(s234*s34*z34^2) - (2*s12*s14^2*z3*z4)/
    (s134*s234*s34*z34^2) - (4*s12*s23*z3*z4)/(s234*s34*z34^2) - 
   (8*s13*s23*z3*z4)/(s234*s34*z34^2) - (2*s12^2*s23*z3*z4)/
    (s134*s234*s34*z34^2) - (6*s12*s13*s23*z3*z4)/(s134*s234*s34*z34^2) - 
   (8*s14*s23*z3*z4)/(s234*s34*z34^2) - (6*s12*s14*s23*z3*z4)/
    (s134*s234*s34*z34^2) - (6*s23^2*z3*z4)/(s234*s34*z34^2) - 
   (2*s12*s23^2*z3*z4)/(s134*s234*s34*z34^2) - (4*s24*z3*z4)/(s34*z34^2) - 
   (12*s13*s24*z3*z4)/(s12*s34*z34^2) - (2*s12*s24*z3*z4)/(s134*s34*z34^2) - 
   (8*s13*s24*z3*z4)/(s134*s34*z34^2) - (12*s14*s24*z3*z4)/(s12*s34*z34^2) - 
   (8*s14*s24*z3*z4)/(s134*s34*z34^2) - (12*s23*s24*z3*z4)/(s12*s34*z34^2) - 
   (4*s23*s24*z3*z4)/(s134*s34*z34^2) - (4*s12*s24*z3*z4)/(s234*s34*z34^2) - 
   (8*s13*s24*z3*z4)/(s234*s34*z34^2) - (2*s12^2*s24*z3*z4)/
    (s134*s234*s34*z34^2) - (6*s12*s13*s24*z3*z4)/(s134*s234*s34*z34^2) - 
   (8*s14*s24*z3*z4)/(s234*s34*z34^2) - (6*s12*s14*s24*z3*z4)/
    (s134*s234*s34*z34^2) - (12*s23*s24*z3*z4)/(s234*s34*z34^2) - 
   (4*s12*s23*s24*z3*z4)/(s134*s234*s34*z34^2) - 
   (6*s24^2*z3*z4)/(s12*s34*z34^2) - (2*s24^2*z3*z4)/(s134*s34*z34^2) - 
   (6*s24^2*z3*z4)/(s234*s34*z34^2) - (2*s12*s24^2*z3*z4)/
    (s134*s234*s34*z34^2) - (2*s34*z3*z4)/(s12*z34^2) - 
   (2*s34*z3*z4)/(s134*z34^2) - (2*s34*z3*z4)/(s234*z34^2) - 
   (2*s12*s34*z3*z4)/(s134*s234*z34^2) + (2*s13*z4)/(s12*z34) + 
   (s13*z4)/(2*s123*z34) + (s13*z4)/(2*s124*z34) + 
   (s13^2*z4)/(s12*s123*z34) + (s13^2*z4)/(s12*s124*z34) + 
   (2*s13*z4)/(s134*z34) + (s12*s13*z4)/(s123*s134*z34) - 
   (s12*s13*z4)/(2*s124*s134*z34) + (2*s13^2*z4)/(s123*s134*z34) - 
   (s13^2*z4)/(s124*s134*z34) + (s13*s14*z4)/(s12*s123*z34) + 
   (s13*s14*z4)/(s12*s124*z34) + (2*s13*s14*z4)/(s123*s134*z34) - 
   (s13*s14*z4)/(s124*s134*z34) + (2*s23*z4)/(s12*z34) + 
   (s23*z4)/(2*s123*z34) + (s23*z4)/(2*s124*z34) + 
   (2*s13*s23*z4)/(s12*s123*z34) + (2*s13*s23*z4)/(s12*s124*z34) + 
   (s23*z4)/(s134*z34) + (s12*s23*z4)/(s123*s134*z34) - 
   (s12*s23*z4)/(2*s124*s134*z34) + (3*s13*s23*z4)/(s123*s134*z34) - 
   (3*s13*s23*z4)/(2*s124*s134*z34) + (s14*s23*z4)/(s12*s123*z34) + 
   (s14*s23*z4)/(s12*s124*z34) - (s14*s23*z4)/(2*s12*s134*z34) + 
   (2*s14*s23*z4)/(s123*s134*z34) - (s14*s23*z4)/(s124*s134*z34) + 
   (s23^2*z4)/(s12*s123*z34) + (s23^2*z4)/(s12*s124*z34) + 
   (s23^2*z4)/(s123*s134*z34) - (s23^2*z4)/(2*s124*s134*z34) + 
   (s13*z4)/(s234*z34) - (s12*s13*z4)/(2*s123*s234*z34) + 
   (s12*s13*z4)/(s124*s234*z34) - (s13^2*z4)/(2*s123*s234*z34) + 
   (s13^2*z4)/(s124*s234*z34) + (s12*s13*z4)/(s134*s234*z34) - 
   (s13*s14*z4)/(2*s123*s234*z34) + (s13*s14*z4)/(s124*s234*z34) + 
   (2*s23*z4)/(s234*z34) - (s12*s23*z4)/(2*s123*s234*z34) + 
   (s12*s23*z4)/(s124*s234*z34) - (3*s13*s23*z4)/(2*s123*s234*z34) + 
   (3*s13*s23*z4)/(s124*s234*z34) + (s12*s23*z4)/(s134*s234*z34) + 
   (s14*s23*z4)/(2*s12*s234*z34) - (s14*s23*z4)/(2*s123*s234*z34) + 
   (s14*s23*z4)/(s124*s234*z34) - (s23^2*z4)/(s123*s234*z34) + 
   (2*s23^2*z4)/(s124*s234*z34) + (s13*s24*z4)/(s12*s123*z34) + 
   (s13*s24*z4)/(s12*s124*z34) + (s13*s24*z4)/(2*s12*s134*z34) + 
   (s13*s24*z4)/(s123*s134*z34) - (s13*s24*z4)/(2*s124*s134*z34) + 
   (s23*s24*z4)/(s12*s123*z34) + (s23*s24*z4)/(s12*s124*z34) + 
   (s23*s24*z4)/(s123*s134*z34) - (s23*s24*z4)/(2*s124*s134*z34) - 
   (s13*s24*z4)/(2*s12*s234*z34) - (s13*s24*z4)/(s123*s234*z34) + 
   (2*s13*s24*z4)/(s124*s234*z34) - (s23*s24*z4)/(s123*s234*z34) + 
   (2*s23*s24*z4)/(s124*s234*z34) + (2*s13^2*z4)/(s34^2*z34) + 
   (2*s13^3*z4)/(s12*s34^2*z34) + (2*s12*s13^2*z4)/(s134*s34^2*z34) + 
   (2*s13^3*z4)/(s134*s34^2*z34) + (2*s13*s14*z4)/(s34^2*z34) + 
   (4*s13^2*s14*z4)/(s12*s34^2*z34) + (2*s12*s13*s14*z4)/(s134*s34^2*z34) + 
   (4*s13^2*s14*z4)/(s134*s34^2*z34) + (2*s13*s14^2*z4)/(s12*s34^2*z34) + 
   (2*s13*s14^2*z4)/(s134*s34^2*z34) + (4*s13*s23*z4)/(s34^2*z34) + 
   (6*s13^2*s23*z4)/(s12*s34^2*z34) + (2*s12*s13*s23*z4)/(s134*s34^2*z34) + 
   (4*s13^2*s23*z4)/(s134*s34^2*z34) + (2*s14*s23*z4)/(s34^2*z34) + 
   (8*s13*s14*s23*z4)/(s12*s34^2*z34) + (s12*s14*s23*z4)/(s134*s34^2*z34) + 
   (9*s13*s14*s23*z4)/(2*s134*s34^2*z34) - (s13^2*s14*s23*z4)/
    (2*s12*s134*s34^2*z34) + (2*s14^2*s23*z4)/(s12*s34^2*z34) + 
   (s14^2*s23*z4)/(2*s134*s34^2*z34) - (s13*s14^2*s23*z4)/
    (s12*s134*s34^2*z34) - (s14^3*s23*z4)/(2*s12*s134*s34^2*z34) + 
   (2*s23^2*z4)/(s34^2*z34) + (6*s13*s23^2*z4)/(s12*s34^2*z34) + 
   (2*s13*s23^2*z4)/(s134*s34^2*z34) + (4*s14*s23^2*z4)/(s12*s34^2*z34) + 
   (s14*s23^2*z4)/(2*s134*s34^2*z34) - (s13*s14*s23^2*z4)/
    (s12*s134*s34^2*z34) - (s14^2*s23^2*z4)/(s12*s134*s34^2*z34) + 
   (2*s23^3*z4)/(s12*s34^2*z34) - (s14*s23^3*z4)/(2*s12*s134*s34^2*z34) + 
   (2*s12*s13*s23*z4)/(s234*s34^2*z34) + (2*s13^2*s23*z4)/(s234*s34^2*z34) + 
   (2*s12^2*s13*s23*z4)/(s134*s234*s34^2*z34) + 
   (2*s12*s13^2*s23*z4)/(s134*s234*s34^2*z34) + 
   (s12*s14*s23*z4)/(s234*s34^2*z34) + (7*s13*s14*s23*z4)/
    (2*s234*s34^2*z34) + (s13^2*s14*s23*z4)/(2*s12*s234*s34^2*z34) + 
   (s12^2*s14*s23*z4)/(s134*s234*s34^2*z34) + (7*s12*s13*s14*s23*z4)/
    (2*s134*s234*s34^2*z34) + (s13^2*s14*s23*z4)/(2*s134*s234*s34^2*z34) + 
   (3*s14^2*s23*z4)/(2*s234*s34^2*z34) + (s13*s14^2*s23*z4)/
    (s12*s234*s34^2*z34) + (3*s12*s14^2*s23*z4)/(2*s134*s234*s34^2*z34) + 
   (s13*s14^2*s23*z4)/(s134*s234*s34^2*z34) + 
   (s14^3*s23*z4)/(2*s12*s234*s34^2*z34) + 
   (s14^3*s23*z4)/(2*s134*s234*s34^2*z34) + (2*s12*s23^2*z4)/
    (s234*s34^2*z34) + (4*s13*s23^2*z4)/(s234*s34^2*z34) + 
   (2*s12*s13*s23^2*z4)/(s134*s234*s34^2*z34) + 
   (7*s14*s23^2*z4)/(2*s234*s34^2*z34) + (s13*s14*s23^2*z4)/
    (s12*s234*s34^2*z34) + (s12*s14*s23^2*z4)/(2*s134*s234*s34^2*z34) + 
   (s14^2*s23^2*z4)/(s12*s234*s34^2*z34) + (2*s23^3*z4)/(s234*s34^2*z34) + 
   (s14*s23^3*z4)/(2*s12*s234*s34^2*z34) - 
   (s14*s23^3*z4)/(2*s134*s234*s34^2*z34) + (2*s13*s24*z4)/(s34^2*z34) + 
   (4*s13^2*s24*z4)/(s12*s34^2*z34) + (s12*s13*s24*z4)/(s134*s34^2*z34) + 
   (7*s13^2*s24*z4)/(2*s134*s34^2*z34) + (s13^3*s24*z4)/
    (2*s12*s134*s34^2*z34) + (4*s13*s14*s24*z4)/(s12*s34^2*z34) + 
   (7*s13*s14*s24*z4)/(2*s134*s34^2*z34) + (s13^2*s14*s24*z4)/
    (s12*s134*s34^2*z34) + (s13*s14^2*s24*z4)/(2*s12*s134*s34^2*z34) + 
   (2*s23*s24*z4)/(s34^2*z34) + (8*s13*s23*s24*z4)/(s12*s34^2*z34) + 
   (7*s13*s23*s24*z4)/(2*s134*s34^2*z34) + (s13^2*s23*s24*z4)/
    (s12*s134*s34^2*z34) + (4*s14*s23*s24*z4)/(s12*s34^2*z34) + 
   (s14*s23*s24*z4)/(2*s134*s34^2*z34) - (s14^2*s23*s24*z4)/
    (s12*s134*s34^2*z34) + (4*s23^2*s24*z4)/(s12*s34^2*z34) + 
   (s13*s23^2*s24*z4)/(2*s12*s134*s34^2*z34) - 
   (s14*s23^2*s24*z4)/(s12*s134*s34^2*z34) + (s12*s13*s24*z4)/
    (s234*s34^2*z34) + (s13^2*s24*z4)/(2*s234*s34^2*z34) - 
   (s13^3*s24*z4)/(2*s12*s234*s34^2*z34) + (s12^2*s13*s24*z4)/
    (s134*s234*s34^2*z34) + (s12*s13^2*s24*z4)/(2*s134*s234*s34^2*z34) - 
   (s13^3*s24*z4)/(2*s134*s234*s34^2*z34) + (s13*s14*s24*z4)/
    (2*s234*s34^2*z34) - (s13^2*s14*s24*z4)/(s12*s234*s34^2*z34) + 
   (s12*s13*s14*s24*z4)/(2*s134*s234*s34^2*z34) - 
   (s13^2*s14*s24*z4)/(s134*s234*s34^2*z34) - (s13*s14^2*s24*z4)/
    (2*s12*s234*s34^2*z34) - (s13*s14^2*s24*z4)/(2*s134*s234*s34^2*z34) + 
   (2*s12*s23*s24*z4)/(s234*s34^2*z34) + (9*s13*s23*s24*z4)/
    (2*s234*s34^2*z34) - (s13^2*s23*s24*z4)/(s12*s234*s34^2*z34) + 
   (7*s12*s13*s23*s24*z4)/(2*s134*s234*s34^2*z34) + 
   (7*s14*s23*s24*z4)/(2*s234*s34^2*z34) + (s12*s14*s23*s24*z4)/
    (2*s134*s234*s34^2*z34) + (s14^2*s23*s24*z4)/(s12*s234*s34^2*z34) + 
   (4*s23^2*s24*z4)/(s234*s34^2*z34) - (s13*s23^2*s24*z4)/
    (2*s12*s234*s34^2*z34) + (s13*s23^2*s24*z4)/(2*s134*s234*s34^2*z34) + 
   (s14*s23^2*s24*z4)/(s12*s234*s34^2*z34) - (s14*s23^2*s24*z4)/
    (s134*s234*s34^2*z34) + (2*s13*s24^2*z4)/(s12*s34^2*z34) + 
   (3*s13*s24^2*z4)/(2*s134*s34^2*z34) + (s13^2*s24^2*z4)/
    (s12*s134*s34^2*z34) + (s13*s14*s24^2*z4)/(s12*s134*s34^2*z34) + 
   (2*s23*s24^2*z4)/(s12*s34^2*z34) + (s13*s23*s24^2*z4)/
    (s12*s134*s34^2*z34) - (s14*s23*s24^2*z4)/(2*s12*s134*s34^2*z34) + 
   (s13*s24^2*z4)/(2*s234*s34^2*z34) - (s13^2*s24^2*z4)/
    (s12*s234*s34^2*z34) + (3*s12*s13*s24^2*z4)/(2*s134*s234*s34^2*z34) - 
   (s13*s14*s24^2*z4)/(s12*s234*s34^2*z34) + (2*s23*s24^2*z4)/
    (s234*s34^2*z34) - (s13*s23*s24^2*z4)/(s12*s234*s34^2*z34) + 
   (s13*s23*s24^2*z4)/(s134*s234*s34^2*z34) + (s14*s23*s24^2*z4)/
    (2*s12*s234*s34^2*z34) - (s14*s23*s24^2*z4)/(2*s134*s234*s34^2*z34) + 
   (s13*s24^3*z4)/(2*s12*s134*s34^2*z34) - 
   (s13*s24^3*z4)/(2*s12*s234*s34^2*z34) + 
   (s13*s24^3*z4)/(2*s134*s234*s34^2*z34) + (2*s13*z4)/(s34*z34) + 
   (4*s13^2*z4)/(s12*s34*z34) + (s13^2*z4)/(2*s123*s34*z34) + 
   (s13^2*z4)/(2*s124*s34*z34) + (s13^3*z4)/(2*s12*s123*s34*z34) + 
   (s13^3*z4)/(2*s12*s124*s34*z34) + (2*s12*s13*z4)/(s134*s34*z34) + 
   (4*s13^2*z4)/(s134*s34*z34) + (s12*s13^2*z4)/(s123*s134*s34*z34) - 
   (s12*s13^2*z4)/(2*s124*s134*s34*z34) + (s13^3*z4)/(s123*s134*s34*z34) - 
   (s13^3*z4)/(2*s124*s134*s34*z34) + (4*s13*s14*z4)/(s12*s34*z34) + 
   (s13*s14*z4)/(2*s123*s34*z34) + (s13*s14*z4)/(2*s124*s34*z34) + 
   (s13^2*s14*z4)/(s12*s123*s34*z34) + (s13^2*s14*z4)/(s12*s124*s34*z34) + 
   (4*s13*s14*z4)/(s134*s34*z34) + (s12*s13*s14*z4)/(s123*s134*s34*z34) - 
   (s12*s13*s14*z4)/(2*s124*s134*s34*z34) + (2*s13^2*s14*z4)/
    (s123*s134*s34*z34) - (s13^2*s14*z4)/(s124*s134*s34*z34) + 
   (s13*s14^2*z4)/(2*s12*s123*s34*z34) + (s13*s14^2*z4)/
    (2*s12*s124*s34*z34) + (s13*s14^2*z4)/(s123*s134*s34*z34) - 
   (s13*s14^2*z4)/(2*s124*s134*s34*z34) + (2*s23*z4)/(s34*z34) + 
   (8*s13*s23*z4)/(s12*s34*z34) + (s13*s23*z4)/(s123*s34*z34) + 
   (s13*s23*z4)/(s124*s34*z34) + (3*s13^2*s23*z4)/(2*s12*s123*s34*z34) + 
   (3*s13^2*s23*z4)/(2*s12*s124*s34*z34) + (s12*s23*z4)/(s134*s34*z34) + 
   (5*s13*s23*z4)/(s134*s34*z34) + (s12*s13*s23*z4)/(s123*s134*s34*z34) - 
   (s12*s13*s23*z4)/(2*s124*s134*s34*z34) + (2*s13^2*s23*z4)/
    (s123*s134*s34*z34) - (s13^2*s23*z4)/(s124*s134*s34*z34) + 
   (4*s14*s23*z4)/(s12*s34*z34) + (s14*s23*z4)/(2*s123*s34*z34) + 
   (s14*s23*z4)/(2*s124*s34*z34) + (2*s13*s14*s23*z4)/(s12*s123*s34*z34) + 
   (2*s13*s14*s23*z4)/(s12*s124*s34*z34) + (3*s14*s23*z4)/(2*s134*s34*z34) + 
   (s12*s14*s23*z4)/(s123*s134*s34*z34) - (s12*s14*s23*z4)/
    (2*s124*s134*s34*z34) - (s13*s14*s23*z4)/(s12*s134*s34*z34) + 
   (3*s13*s14*s23*z4)/(s123*s134*s34*z34) - (3*s13*s14*s23*z4)/
    (2*s124*s134*s34*z34) + (s14^2*s23*z4)/(2*s12*s123*s34*z34) + 
   (s14^2*s23*z4)/(2*s12*s124*s34*z34) - (s14^2*s23*z4)/(s12*s134*s34*z34) + 
   (s14^2*s23*z4)/(s123*s134*s34*z34) - (s14^2*s23*z4)/
    (2*s124*s134*s34*z34) + (4*s23^2*z4)/(s12*s34*z34) + 
   (s23^2*z4)/(2*s123*s34*z34) + (s23^2*z4)/(2*s124*s34*z34) + 
   (3*s13*s23^2*z4)/(2*s12*s123*s34*z34) + (3*s13*s23^2*z4)/
    (2*s12*s124*s34*z34) + (s23^2*z4)/(s134*s34*z34) + 
   (s13*s23^2*z4)/(s123*s134*s34*z34) - (s13*s23^2*z4)/
    (2*s124*s134*s34*z34) + (s14*s23^2*z4)/(s12*s123*s34*z34) + 
   (s14*s23^2*z4)/(s12*s124*s34*z34) - (s14*s23^2*z4)/(s12*s134*s34*z34) + 
   (s14*s23^2*z4)/(s123*s134*s34*z34) - (s14*s23^2*z4)/
    (2*s124*s134*s34*z34) + (s23^3*z4)/(2*s12*s123*s34*z34) + 
   (s23^3*z4)/(2*s12*s124*s34*z34) + (s12*s13*z4)/(s234*s34*z34) + 
   (s13^2*z4)/(s234*s34*z34) + (s12^2*s13*z4)/(s134*s234*s34*z34) + 
   (s12*s13^2*z4)/(s134*s234*s34*z34) + (s13*s14*z4)/(s234*s34*z34) + 
   (s12*s13*s14*z4)/(s134*s234*s34*z34) + (2*s12*s23*z4)/(s234*s34*z34) + 
   (5*s13*s23*z4)/(s234*s34*z34) - (s12*s13*s23*z4)/(2*s123*s234*s34*z34) + 
   (s12*s13*s23*z4)/(s124*s234*s34*z34) - (s13^2*s23*z4)/
    (2*s123*s234*s34*z34) + (s13^2*s23*z4)/(s124*s234*s34*z34) + 
   (s12^2*s23*z4)/(s134*s234*s34*z34) + (4*s12*s13*s23*z4)/
    (s134*s234*s34*z34) + (7*s14*s23*z4)/(2*s234*s34*z34) + 
   (s13*s14*s23*z4)/(s12*s234*s34*z34) - (s13*s14*s23*z4)/
    (2*s123*s234*s34*z34) + (s13*s14*s23*z4)/(s124*s234*s34*z34) + 
   (2*s12*s14*s23*z4)/(s134*s234*s34*z34) + (s13*s14*s23*z4)/
    (2*s134*s234*s34*z34) + (s14^2*s23*z4)/(s12*s234*s34*z34) + 
   (s14^2*s23*z4)/(2*s134*s234*s34*z34) + (4*s23^2*z4)/(s234*s34*z34) - 
   (s12*s23^2*z4)/(2*s123*s234*s34*z34) + (s12*s23^2*z4)/
    (s124*s234*s34*z34) - (s13*s23^2*z4)/(s123*s234*s34*z34) + 
   (2*s13*s23^2*z4)/(s124*s234*s34*z34) + (s12*s23^2*z4)/
    (s134*s234*s34*z34) + (s14*s23^2*z4)/(s12*s234*s34*z34) - 
   (s14*s23^2*z4)/(2*s123*s234*s34*z34) + (s14*s23^2*z4)/
    (s124*s234*s34*z34) - (s14*s23^2*z4)/(2*s134*s234*s34*z34) - 
   (s23^3*z4)/(2*s123*s234*s34*z34) + (s23^3*z4)/(s124*s234*s34*z34) + 
   (4*s13*s24*z4)/(s12*s34*z34) + (s13*s24*z4)/(2*s123*s34*z34) + 
   (s13*s24*z4)/(2*s124*s34*z34) + (s13^2*s24*z4)/(s12*s123*s34*z34) + 
   (s13^2*s24*z4)/(s12*s124*s34*z34) + (7*s13*s24*z4)/(2*s134*s34*z34) + 
   (s13^2*s24*z4)/(s12*s134*s34*z34) + (s13^2*s24*z4)/(s123*s134*s34*z34) - 
   (s13^2*s24*z4)/(2*s124*s134*s34*z34) + (s13*s14*s24*z4)/
    (s12*s123*s34*z34) + (s13*s14*s24*z4)/(s12*s124*s34*z34) + 
   (s13*s14*s24*z4)/(s12*s134*s34*z34) + (s13*s14*s24*z4)/
    (s123*s134*s34*z34) - (s13*s14*s24*z4)/(2*s124*s134*s34*z34) + 
   (4*s23*s24*z4)/(s12*s34*z34) + (s23*s24*z4)/(2*s123*s34*z34) + 
   (s23*s24*z4)/(2*s124*s34*z34) + (2*s13*s23*s24*z4)/(s12*s123*s34*z34) + 
   (2*s13*s23*s24*z4)/(s12*s124*s34*z34) + (s23*s24*z4)/(s134*s34*z34) + 
   (s13*s23*s24*z4)/(s12*s134*s34*z34) + (s13*s23*s24*z4)/
    (s123*s134*s34*z34) - (s13*s23*s24*z4)/(2*s124*s134*s34*z34) + 
   (s14*s23*s24*z4)/(s12*s123*s34*z34) + (s14*s23*s24*z4)/
    (s12*s124*s34*z34) - (s14*s23*s24*z4)/(s12*s134*s34*z34) + 
   (s14*s23*s24*z4)/(s123*s134*s34*z34) - (s14*s23*s24*z4)/
    (2*s124*s134*s34*z34) + (s23^2*s24*z4)/(s12*s123*s34*z34) + 
   (s23^2*s24*z4)/(s12*s124*s34*z34) + (3*s13*s24*z4)/(2*s234*s34*z34) - 
   (s12*s13*s24*z4)/(2*s123*s234*s34*z34) + (s12*s13*s24*z4)/
    (s124*s234*s34*z34) - (s13^2*s24*z4)/(s12*s234*s34*z34) - 
   (s13^2*s24*z4)/(2*s123*s234*s34*z34) + (s13^2*s24*z4)/
    (s124*s234*s34*z34) + (2*s12*s13*s24*z4)/(s134*s234*s34*z34) - 
   (s13^2*s24*z4)/(2*s134*s234*s34*z34) - (s13*s14*s24*z4)/
    (s12*s234*s34*z34) - (s13*s14*s24*z4)/(2*s123*s234*s34*z34) + 
   (s13*s14*s24*z4)/(s124*s234*s34*z34) - (s13*s14*s24*z4)/
    (2*s134*s234*s34*z34) + (4*s23*s24*z4)/(s234*s34*z34) - 
   (s12*s23*s24*z4)/(2*s123*s234*s34*z34) + (s12*s23*s24*z4)/
    (s124*s234*s34*z34) - (s13*s23*s24*z4)/(s12*s234*s34*z34) - 
   (3*s13*s23*s24*z4)/(2*s123*s234*s34*z34) + (3*s13*s23*s24*z4)/
    (s124*s234*s34*z34) + (s12*s23*s24*z4)/(s134*s234*s34*z34) + 
   (s13*s23*s24*z4)/(2*s134*s234*s34*z34) + (s14*s23*s24*z4)/
    (s12*s234*s34*z34) - (s14*s23*s24*z4)/(2*s123*s234*s34*z34) + 
   (s14*s23*s24*z4)/(s124*s234*s34*z34) - (s14*s23*s24*z4)/
    (2*s134*s234*s34*z34) - (s23^2*s24*z4)/(s123*s234*s34*z34) + 
   (2*s23^2*s24*z4)/(s124*s234*s34*z34) + (s13*s24^2*z4)/
    (2*s12*s123*s34*z34) + (s13*s24^2*z4)/(2*s12*s124*s34*z34) + 
   (s13*s24^2*z4)/(s12*s134*s34*z34) + (s23*s24^2*z4)/(2*s12*s123*s34*z34) + 
   (s23*s24^2*z4)/(2*s12*s124*s34*z34) - (s13*s24^2*z4)/(s12*s234*s34*z34) - 
   (s13*s24^2*z4)/(2*s123*s234*s34*z34) + (s13*s24^2*z4)/
    (s124*s234*s34*z34) + (s13*s24^2*z4)/(2*s134*s234*s34*z34) - 
   (s23*s24^2*z4)/(2*s123*s234*s34*z34) + (s23*s24^2*z4)/
    (s124*s234*s34*z34) + (s13*s34*z4)/(2*s12*s123*z34) + 
   (s13*s34*z4)/(2*s12*s124*z34) + (s13*s34*z4)/(s123*s134*z34) - 
   (s13*s34*z4)/(2*s124*s134*z34) + (s23*s34*z4)/(2*s12*s123*z34) + 
   (s23*s34*z4)/(2*s12*s124*z34) + (s23*s34*z4)/(s123*s134*z34) - 
   (s23*s34*z4)/(2*s124*s134*z34) - (s13*s34*z4)/(2*s123*s234*z34) + 
   (s13*s34*z4)/(s124*s234*z34) - (s23*s34*z4)/(2*s123*s234*z34) + 
   (s23*s34*z4)/(s124*s234*z34)) + 
 k4k4*(-2/s12 + D/(2*s12) + (3*s13)/(s12*s123) - (D*s13)/(2*s12*s123) + 
   (D*s13)/(2*s12*s124) + (2*s13)/(s123*s124) + (2*s13^2)/(s12*s123*s124) - 
   2/s134 + D/(2*s134) + (4*s13)/(s123*s134) - (D*s13)/(s123*s134) - 
   (D*s13)/(2*s124*s134) + (2*s13*s14)/(s12*s123*s124) + (3*s23)/(s12*s123) - 
   (D*s23)/(2*s12*s123) + (D*s23)/(2*s12*s124) + (2*s23)/(s123*s124) - 
   (2*s13*s23)/(s12^2*s123) + (4*s13*s23)/(s12*s123*s124) + 
   (4*s23)/(s123*s134) - (D*s23)/(s123*s134) + (2*s23)/(s124*s134) - 
   (D*s23)/(2*s124*s134) - (4*s13*s23)/(s12*s123*s134) - 
   (s14*s23)/(s12^2*s124) + (2*s14*s23)/(s12*s123*s124) + 
   (2*s14*s23)/(s12*s124*s134) + (2*s23^2)/(s12*s123*s124) - 2/s234 + 
   D/(2*s234) - (2*s13)/(s123*s234) + (D*s13)/(2*s123*s234) - 
   (4*s13)/(s124*s234) + (D*s13)/(s124*s234) - (4*s12)/(s134*s234) + 
   (D*s12)/(s134*s234) - (2*s23)/(s123*s234) + (D*s23)/(2*s123*s234) + 
   (D*s23)/(s124*s234) + (2*s13*s23)/(s12*s123*s234) - 
   (s13*s24)/(s12^2*s124) + (2*s13*s24)/(s12*s123*s124) + 
   (2*s23*s24)/(s12*s123*s124) - (4*s13*s24)/(s12*s124*s234) + 
   (2*s13)/s34^2 + (2*s13^2)/(s12*s34^2) + (s12*s13)/(s134*s34^2) + 
   s13^2/(s134*s34^2) + (2*s13*s14)/(s12*s34^2) + (s13*s14)/(s134*s34^2) + 
   (2*s23)/s34^2 - (4*s13^2*s23)/(s12^2*s34^2) - (2*s13*s23)/(s134*s34^2) - 
   (3*s13^2*s23)/(s12*s134*s34^2) + (s14*s23)/(s12*s34^2) - 
   (5*s13*s14*s23)/(s12^2*s34^2) - (s14*s23)/(s134*s34^2) - 
   (4*s13*s14*s23)/(s12*s134*s34^2) - (s14^2*s23)/(s12^2*s34^2) - 
   (s14^2*s23)/(s12*s134*s34^2) + (2*s23^2)/(s12*s34^2) - 
   (4*s13*s23^2)/(s12^2*s34^2) - (3*s13*s23^2)/(s12*s134*s34^2) - 
   (s14*s23^2)/(s12^2*s34^2) - (s14*s23^2)/(s12*s134*s34^2) + 
   (s12*s23)/(s234*s34^2) - (2*s13*s23)/(s234*s34^2) - 
   (3*s13^2*s23)/(s12*s234*s34^2) - (4*s12*s13*s23)/(s134*s234*s34^2) - 
   (4*s13^2*s23)/(s134*s234*s34^2) + (s14*s23)/(s234*s34^2) - 
   (3*s13*s14*s23)/(s12*s234*s34^2) - (4*s13*s14*s23)/(s134*s234*s34^2) + 
   s23^2/(s234*s34^2) - (3*s13*s23^2)/(s12*s234*s34^2) - 
   (4*s13*s23^2)/(s134*s234*s34^2) + (s13*s24)/(s12*s34^2) - 
   (s13^2*s24)/(s12^2*s34^2) + (s13*s24)/(s134*s34^2) - 
   (s13*s14*s24)/(s12^2*s34^2) + (2*s23*s24)/(s12*s34^2) - 
   (5*s13*s23*s24)/(s12^2*s34^2) - (3*s13*s23*s24)/(s12*s134*s34^2) - 
   (s14*s23*s24)/(s12^2*s34^2) - (s14*s23*s24)/(s12*s134*s34^2) - 
   (s13*s24)/(s234*s34^2) - (s13^2*s24)/(s12*s234*s34^2) - 
   (s13*s14*s24)/(s12*s234*s34^2) + (s23*s24)/(s234*s34^2) - 
   (4*s13*s23*s24)/(s12*s234*s34^2) - (4*s13*s23*s24)/(s134*s234*s34^2) - 
   (s13*s24^2)/(s12^2*s34^2) - (s13*s24^2)/(s12*s234*s34^2) - 2/s34 + 
   D/(2*s34) + (D*s13)/(2*s12*s34) + (3*s13)/(s123*s34) - 
   (D*s13)/(2*s123*s34) + (D*s13)/(2*s124*s34) + (3*s13^2)/(s12*s123*s34) - 
   (D*s13^2)/(2*s12*s123*s34) + (D*s13^2)/(2*s12*s124*s34) - 
   (2*s12)/(s134*s34) + (D*s12)/(2*s134*s34) - s13/(s134*s34) + 
   (D*s13)/(2*s134*s34) + (4*s12*s13)/(s123*s134*s34) - 
   (D*s12*s13)/(s123*s134*s34) - (D*s12*s13)/(2*s124*s134*s34) + 
   (4*s13^2)/(s123*s134*s34) - (D*s13^2)/(s123*s134*s34) - 
   (D*s13^2)/(2*s124*s134*s34) - (2*s14)/(s12*s34) + (D*s14)/(2*s12*s34) + 
   (3*s13*s14)/(s12*s123*s34) - (D*s13*s14)/(2*s12*s123*s34) + 
   (D*s13*s14)/(2*s12*s124*s34) - (2*s14)/(s134*s34) + (D*s14)/(2*s134*s34) + 
   (4*s13*s14)/(s123*s134*s34) - (D*s13*s14)/(s123*s134*s34) - 
   (D*s13*s14)/(2*s124*s134*s34) + (D*s23)/(2*s12*s34) + (3*s23)/(s123*s34) - 
   (D*s23)/(2*s123*s34) + (D*s23)/(2*s124*s34) - (4*s13*s23)/(s12^2*s34) + 
   (4*s13*s23)/(s12*s123*s34) - (D*s13*s23)/(s12*s123*s34) + 
   (D*s13*s23)/(s12*s124*s34) - (2*s13^2*s23)/(s12^2*s123*s34) - 
   (2*s23)/(s134*s34) + (D*s23)/(2*s134*s34) + (4*s12*s23)/(s123*s134*s34) - 
   (D*s12*s23)/(s123*s134*s34) + (2*s12*s23)/(s124*s134*s34) - 
   (D*s12*s23)/(2*s124*s134*s34) - (3*s13*s23)/(s12*s134*s34) + 
   (4*s13*s23)/(s123*s134*s34) - (2*D*s13*s23)/(s123*s134*s34) + 
   (2*s13*s23)/(s124*s134*s34) - (D*s13*s23)/(s124*s134*s34) - 
   (4*s13^2*s23)/(s12*s123*s134*s34) - (s14*s23)/(s12^2*s34) + 
   (3*s14*s23)/(s12*s123*s34) - (D*s14*s23)/(2*s12*s123*s34) - 
   (s14*s23)/(s12*s124*s34) + (D*s14*s23)/(2*s12*s124*s34) - 
   (2*s13*s14*s23)/(s12^2*s123*s34) - (s13*s14*s23)/(s12^2*s124*s34) - 
   (s14*s23)/(s12*s134*s34) + (4*s14*s23)/(s123*s134*s34) - 
   (D*s14*s23)/(s123*s134*s34) + (4*s14*s23)/(s124*s134*s34) - 
   (D*s14*s23)/(2*s124*s134*s34) - (4*s13*s14*s23)/(s12*s123*s134*s34) + 
   (2*s13*s14*s23)/(s12*s124*s134*s34) - (s14^2*s23)/(s12^2*s124*s34) + 
   (2*s14^2*s23)/(s12*s124*s134*s34) + (3*s23^2)/(s12*s123*s34) - 
   (D*s23^2)/(2*s12*s123*s34) + (D*s23^2)/(2*s12*s124*s34) - 
   (2*s13*s23^2)/(s12^2*s123*s34) + (4*s23^2)/(s123*s134*s34) - 
   (D*s23^2)/(s123*s134*s34) + (2*s23^2)/(s124*s134*s34) - 
   (D*s23^2)/(2*s124*s134*s34) - (4*s13*s23^2)/(s12*s123*s134*s34) - 
   (s14*s23^2)/(s12^2*s124*s34) + (2*s14*s23^2)/(s12*s124*s134*s34) - 
   (2*s12)/(s234*s34) + (D*s12)/(2*s234*s34) - (2*s13)/(s234*s34) + 
   (D*s13)/(2*s234*s34) - (2*s12*s13)/(s123*s234*s34) + 
   (D*s12*s13)/(2*s123*s234*s34) - (4*s12*s13)/(s124*s234*s34) + 
   (D*s12*s13)/(s124*s234*s34) - (2*s13^2)/(s123*s234*s34) + 
   (D*s13^2)/(2*s123*s234*s34) - (4*s13^2)/(s124*s234*s34) + 
   (D*s13^2)/(s124*s234*s34) - (4*s12^2)/(s134*s234*s34) + 
   (D*s12^2)/(s134*s234*s34) - (4*s12*s13)/(s134*s234*s34) + 
   (D*s12*s13)/(s134*s234*s34) - (2*s14)/(s234*s34) + (D*s14)/(2*s234*s34) - 
   (2*s13*s14)/(s123*s234*s34) + (D*s13*s14)/(2*s123*s234*s34) - 
   (4*s13*s14)/(s124*s234*s34) + (D*s13*s14)/(s124*s234*s34) - 
   (4*s12*s14)/(s134*s234*s34) + (D*s12*s14)/(s134*s234*s34) - 
   s23/(s234*s34) + (D*s23)/(2*s234*s34) - (2*s12*s23)/(s123*s234*s34) + 
   (D*s12*s23)/(2*s123*s234*s34) + (D*s12*s23)/(s124*s234*s34) - 
   (3*s13*s23)/(s12*s234*s34) - (2*s13*s23)/(s123*s234*s34) + 
   (D*s13*s23)/(s123*s234*s34) - (4*s13*s23)/(s124*s234*s34) + 
   (2*D*s13*s23)/(s124*s234*s34) + (2*s13^2*s23)/(s12*s123*s234*s34) - 
   (4*s12*s23)/(s134*s234*s34) + (D*s12*s23)/(s134*s234*s34) - 
   (4*s13*s23)/(s134*s234*s34) - (2*s14*s23)/(s123*s234*s34) + 
   (D*s14*s23)/(2*s123*s234*s34) + (D*s14*s23)/(s124*s234*s34) + 
   (2*s13*s14*s23)/(s12*s123*s234*s34) - (2*s23^2)/(s123*s234*s34) + 
   (D*s23^2)/(2*s123*s234*s34) + (D*s23^2)/(s124*s234*s34) + 
   (2*s13*s23^2)/(s12*s123*s234*s34) - (2*s24)/(s12*s34) + 
   (D*s24)/(2*s12*s34) - (s13*s24)/(s12^2*s34) + (3*s13*s24)/(s12*s123*s34) - 
   (D*s13*s24)/(2*s12*s123*s34) - (s13*s24)/(s12*s124*s34) + 
   (D*s13*s24)/(2*s12*s124*s34) - (s13^2*s24)/(s12^2*s124*s34) - 
   (2*s24)/(s134*s34) + (D*s24)/(2*s134*s34) + (4*s13*s24)/(s123*s134*s34) - 
   (D*s13*s24)/(s123*s134*s34) - (D*s13*s24)/(2*s124*s134*s34) - 
   (s13*s14*s24)/(s12^2*s124*s34) + (3*s23*s24)/(s12*s123*s34) - 
   (D*s23*s24)/(2*s12*s123*s34) + (D*s23*s24)/(2*s12*s124*s34) - 
   (2*s13*s23*s24)/(s12^2*s123*s34) - (s13*s23*s24)/(s12^2*s124*s34) + 
   (4*s23*s24)/(s123*s134*s34) - (D*s23*s24)/(s123*s134*s34) + 
   (2*s23*s24)/(s124*s134*s34) - (D*s23*s24)/(2*s124*s134*s34) - 
   (4*s13*s23*s24)/(s12*s123*s134*s34) - (s14*s23*s24)/(s12^2*s124*s34) + 
   (2*s14*s23*s24)/(s12*s124*s134*s34) - (2*s24)/(s234*s34) + 
   (D*s24)/(2*s234*s34) - (s13*s24)/(s12*s234*s34) - 
   (2*s13*s24)/(s123*s234*s34) + (D*s13*s24)/(2*s123*s234*s34) - 
   (8*s13*s24)/(s124*s234*s34) + (D*s13*s24)/(s124*s234*s34) - 
   (4*s13^2*s24)/(s12*s124*s234*s34) - (4*s12*s24)/(s134*s234*s34) + 
   (D*s12*s24)/(s134*s234*s34) - (4*s13*s14*s24)/(s12*s124*s234*s34) - 
   (2*s23*s24)/(s123*s234*s34) + (D*s23*s24)/(2*s123*s234*s34) + 
   (D*s23*s24)/(s124*s234*s34) + (2*s13*s23*s24)/(s12*s123*s234*s34) - 
   (4*s13*s23*s24)/(s12*s124*s234*s34) - (s13*s24^2)/(s12^2*s124*s34) - 
   (4*s13*s24^2)/(s12*s124*s234*s34) + (2*s13*s34)/(s12*s123*s124) + 
   (2*s23*s34)/(s12*s123*s124) + (2*s23*z1)/(s12*s123*z12) + 
   (2*s13*s23*z1)/(s12^2*s123*z12) + (2*s23*z1)/(s123*s134*z12) - 
   (s23*z1)/(s124*s134*z12) + (2*s13*s23*z1)/(s12*s123*s134*z12) + 
   (s14*s23*z1)/(s12^2*s124*z12) - (s14*s23*z1)/(s12*s124*s134*z12) + 
   (2*s23^2*z1)/(s12^2*s123*z12) + (2*s23^2*z1)/(s12*s123*s134*z12) - 
   (s23*z1)/(s123*s234*z12) + (2*s23*z1)/(s124*s234*z12) - 
   (s13*s23*z1)/(s12*s123*s234*z12) + (2*s14*s23*z1)/(s12*s124*s234*z12) - 
   (s23^2*z1)/(s12*s123*s234*z12) + (s13*s24*z1)/(s12^2*s124*z12) + 
   (2*s23*s24*z1)/(s12^2*s124*z12) - (s23*s24*z1)/(s12*s124*s134*z12) + 
   (2*s23*s24*z1)/(s12*s124*s234*z12) + (2*s23*z1)/(s34^2*z12) + 
   (6*s13*s23*z1)/(s12*s34^2*z12) + (4*s13^2*s23*z1)/(s12^2*s34^2*z12) + 
   (s12*s23*z1)/(s134*s34^2*z12) + (5*s13*s23*z1)/(2*s134*s34^2*z12) + 
   (3*s13^2*s23*z1)/(2*s12*s134*s34^2*z12) + (3*s14*s23*z1)/(s12*s34^2*z12) + 
   (5*s13*s14*s23*z1)/(s12^2*s34^2*z12) + (3*s14*s23*z1)/(2*s134*s34^2*z12) + 
   (2*s13*s14*s23*z1)/(s12*s134*s34^2*z12) + 
   (s14^2*s23*z1)/(s12^2*s34^2*z12) + (s14^2*s23*z1)/(2*s12*s134*s34^2*z12) + 
   (6*s23^2*z1)/(s12*s34^2*z12) + (8*s13*s23^2*z1)/(s12^2*s34^2*z12) + 
   (5*s23^2*z1)/(2*s134*s34^2*z12) + (3*s13*s23^2*z1)/(s12*s134*s34^2*z12) + 
   (5*s14*s23^2*z1)/(s12^2*s34^2*z12) + (2*s14*s23^2*z1)/
    (s12*s134*s34^2*z12) + (4*s23^3*z1)/(s12^2*s34^2*z12) + 
   (3*s23^3*z1)/(2*s12*s134*s34^2*z12) + (s12*s23*z1)/(s234*s34^2*z12) + 
   (5*s13*s23*z1)/(2*s234*s34^2*z12) + (3*s13^2*s23*z1)/
    (2*s12*s234*s34^2*z12) + (3*s14*s23*z1)/(2*s234*s34^2*z12) + 
   (2*s13*s14*s23*z1)/(s12*s234*s34^2*z12) + 
   (s14^2*s23*z1)/(2*s12*s234*s34^2*z12) + (5*s23^2*z1)/(2*s234*s34^2*z12) + 
   (3*s13*s23^2*z1)/(s12*s234*s34^2*z12) + (2*s14*s23^2*z1)/
    (s12*s234*s34^2*z12) + (3*s23^3*z1)/(2*s12*s234*s34^2*z12) + 
   (s13*s24*z1)/(s12*s34^2*z12) + (s13^2*s24*z1)/(s12^2*s34^2*z12) + 
   (s13*s14*s24*z1)/(s12^2*s34^2*z12) + (4*s23*s24*z1)/(s12*s34^2*z12) + 
   (7*s13*s23*s24*z1)/(s12^2*s34^2*z12) + (3*s23*s24*z1)/(2*s134*s34^2*z12) + 
   (2*s13*s23*s24*z1)/(s12*s134*s34^2*z12) + (3*s14*s23*s24*z1)/
    (s12^2*s34^2*z12) + (s14*s23*s24*z1)/(s12*s134*s34^2*z12) + 
   (6*s23^2*s24*z1)/(s12^2*s34^2*z12) + (2*s23^2*s24*z1)/
    (s12*s134*s34^2*z12) + (3*s23*s24*z1)/(2*s234*s34^2*z12) + 
   (2*s13*s23*s24*z1)/(s12*s234*s34^2*z12) + (s14*s23*s24*z1)/
    (s12*s234*s34^2*z12) + (2*s23^2*s24*z1)/(s12*s234*s34^2*z12) + 
   (s13*s24^2*z1)/(s12^2*s34^2*z12) + (2*s23*s24^2*z1)/(s12^2*s34^2*z12) + 
   (s23*s24^2*z1)/(2*s12*s134*s34^2*z12) + 
   (s23*s24^2*z1)/(2*s12*s234*s34^2*z12) + (2*s23*z1)/(s12*s34*z12) + 
   (2*s23*z1)/(s123*s34*z12) + (4*s13*s23*z1)/(s12^2*s34*z12) + 
   (4*s13*s23*z1)/(s12*s123*s34*z12) + (2*s13^2*s23*z1)/
    (s12^2*s123*s34*z12) + (s23*z1)/(s134*s34*z12) + 
   (2*s12*s23*z1)/(s123*s134*s34*z12) - (s12*s23*z1)/(s124*s134*s34*z12) + 
   (3*s13*s23*z1)/(2*s12*s134*s34*z12) + (4*s13*s23*z1)/(s123*s134*s34*z12) - 
   (s13*s23*z1)/(s124*s134*s34*z12) + (2*s13^2*s23*z1)/
    (s12*s123*s134*s34*z12) + (s14*s23*z1)/(s12^2*s34*z12) + 
   (2*s14*s23*z1)/(s12*s123*s34*z12) + (s14*s23*z1)/(s12*s124*s34*z12) + 
   (2*s13*s14*s23*z1)/(s12^2*s123*s34*z12) + (s13*s14*s23*z1)/
    (s12^2*s124*s34*z12) + (s14*s23*z1)/(2*s12*s134*s34*z12) + 
   (2*s14*s23*z1)/(s123*s134*s34*z12) - (2*s14*s23*z1)/(s124*s134*s34*z12) + 
   (2*s13*s14*s23*z1)/(s12*s123*s134*s34*z12) - 
   (s13*s14*s23*z1)/(s12*s124*s134*s34*z12) + 
   (s14^2*s23*z1)/(s12^2*s124*s34*z12) - (s14^2*s23*z1)/
    (s12*s124*s134*s34*z12) + (4*s23^2*z1)/(s12^2*s34*z12) + 
   (4*s23^2*z1)/(s12*s123*s34*z12) + (4*s13*s23^2*z1)/(s12^2*s123*s34*z12) + 
   (3*s23^2*z1)/(2*s12*s134*s34*z12) + (4*s23^2*z1)/(s123*s134*s34*z12) - 
   (s23^2*z1)/(s124*s134*s34*z12) + (4*s13*s23^2*z1)/
    (s12*s123*s134*s34*z12) + (2*s14*s23^2*z1)/(s12^2*s123*s34*z12) + 
   (s14*s23^2*z1)/(s12^2*s124*s34*z12) + (2*s14*s23^2*z1)/
    (s12*s123*s134*s34*z12) - (s14*s23^2*z1)/(s12*s124*s134*s34*z12) + 
   (2*s23^3*z1)/(s12^2*s123*s34*z12) + (2*s23^3*z1)/(s12*s123*s134*s34*z12) + 
   (s23*z1)/(s234*s34*z12) - (s12*s23*z1)/(s123*s234*s34*z12) + 
   (2*s12*s23*z1)/(s124*s234*s34*z12) + (3*s13*s23*z1)/(2*s12*s234*s34*z12) - 
   (2*s13*s23*z1)/(s123*s234*s34*z12) + (2*s13*s23*z1)/(s124*s234*s34*z12) - 
   (s13^2*s23*z1)/(s12*s123*s234*s34*z12) + 
   (s14*s23*z1)/(2*s12*s234*s34*z12) - (s14*s23*z1)/(s123*s234*s34*z12) + 
   (4*s14*s23*z1)/(s124*s234*s34*z12) - (s13*s14*s23*z1)/
    (s12*s123*s234*s34*z12) + (2*s13*s14*s23*z1)/(s12*s124*s234*s34*z12) + 
   (2*s14^2*s23*z1)/(s12*s124*s234*s34*z12) + 
   (3*s23^2*z1)/(2*s12*s234*s34*z12) - (2*s23^2*z1)/(s123*s234*s34*z12) + 
   (2*s23^2*z1)/(s124*s234*s34*z12) - (2*s13*s23^2*z1)/
    (s12*s123*s234*s34*z12) - (s14*s23^2*z1)/(s12*s123*s234*s34*z12) + 
   (2*s14*s23^2*z1)/(s12*s124*s234*s34*z12) - 
   (s23^3*z1)/(s12*s123*s234*s34*z12) + (s13*s24*z1)/(s12^2*s34*z12) + 
   (s13*s24*z1)/(s12*s124*s34*z12) + (s13^2*s24*z1)/(s12^2*s124*s34*z12) + 
   (s13*s14*s24*z1)/(s12^2*s124*s34*z12) + (2*s23*s24*z1)/(s12^2*s34*z12) + 
   (2*s23*s24*z1)/(s12*s123*s34*z12) + (2*s23*s24*z1)/(s12*s124*s34*z12) + 
   (2*s13*s23*s24*z1)/(s12^2*s123*s34*z12) + (3*s13*s23*s24*z1)/
    (s12^2*s124*s34*z12) + (s23*s24*z1)/(2*s12*s134*s34*z12) + 
   (2*s23*s24*z1)/(s123*s134*s34*z12) - (2*s23*s24*z1)/(s124*s134*s34*z12) + 
   (2*s13*s23*s24*z1)/(s12*s123*s134*s34*z12) - 
   (s13*s23*s24*z1)/(s12*s124*s134*s34*z12) + (3*s14*s23*s24*z1)/
    (s12^2*s124*s34*z12) - (2*s14*s23*s24*z1)/(s12*s124*s134*s34*z12) + 
   (2*s23^2*s24*z1)/(s12^2*s123*s34*z12) + (2*s23^2*s24*z1)/
    (s12^2*s124*s34*z12) + (2*s23^2*s24*z1)/(s12*s123*s134*s34*z12) - 
   (s23^2*s24*z1)/(s12*s124*s134*s34*z12) + 
   (s23*s24*z1)/(2*s12*s234*s34*z12) - (s23*s24*z1)/(s123*s234*s34*z12) + 
   (4*s23*s24*z1)/(s124*s234*s34*z12) - (s13*s23*s24*z1)/
    (s12*s123*s234*s34*z12) + (2*s13*s23*s24*z1)/(s12*s124*s234*s34*z12) + 
   (4*s14*s23*s24*z1)/(s12*s124*s234*s34*z12) - 
   (s23^2*s24*z1)/(s12*s123*s234*s34*z12) + (2*s23^2*s24*z1)/
    (s12*s124*s234*s34*z12) + (s13*s24^2*z1)/(s12^2*s124*s34*z12) + 
   (2*s23*s24^2*z1)/(s12^2*s124*s34*z12) - 
   (s23*s24^2*z1)/(s12*s124*s134*s34*z12) + (2*s23*s24^2*z1)/
    (s12*s124*s234*s34*z12) - (2*z1*z2)/(s12*z12^2) - 
   (2*s13*z1*z2)/(s12*s123*z12^2) - (2*s13*z1*z2)/(s12*s124*z12^2) - 
   (2*s13^2*z1*z2)/(s12^2*s123*z12^2) - (2*s13*s14*z1*z2)/
    (s12^2*s124*z12^2) - (2*s23*z1*z2)/(s12*s123*z12^2) - 
   (2*s23*z1*z2)/(s12*s124*z12^2) - (4*s13*s23*z1*z2)/(s12^2*s123*z12^2) - 
   (2*s14*s23*z1*z2)/(s12^2*s124*z12^2) - (2*s23^2*z1*z2)/
    (s12^2*s123*z12^2) - (2*s13*s24*z1*z2)/(s12^2*s124*z12^2) - 
   (2*s23*s24*z1*z2)/(s12^2*s124*z12^2) - (4*s13*z1*z2)/(s34^2*z12^2) - 
   (8*s13^2*z1*z2)/(s12*s34^2*z12^2) - (4*s13^3*z1*z2)/(s12^2*s34^2*z12^2) - 
   (6*s13*s14*z1*z2)/(s12*s34^2*z12^2) - (6*s13^2*s14*z1*z2)/
    (s12^2*s34^2*z12^2) - (2*s13*s14^2*z1*z2)/(s12^2*s34^2*z12^2) - 
   (4*s23*z1*z2)/(s34^2*z12^2) - (16*s13*s23*z1*z2)/(s12*s34^2*z12^2) - 
   (12*s13^2*s23*z1*z2)/(s12^2*s34^2*z12^2) - 
   (6*s14*s23*z1*z2)/(s12*s34^2*z12^2) - (12*s13*s14*s23*z1*z2)/
    (s12^2*s34^2*z12^2) - (2*s14^2*s23*z1*z2)/(s12^2*s34^2*z12^2) - 
   (8*s23^2*z1*z2)/(s12*s34^2*z12^2) - (12*s13*s23^2*z1*z2)/
    (s12^2*s34^2*z12^2) - (6*s14*s23^2*z1*z2)/(s12^2*s34^2*z12^2) - 
   (4*s23^3*z1*z2)/(s12^2*s34^2*z12^2) - (6*s13*s24*z1*z2)/
    (s12*s34^2*z12^2) - (6*s13^2*s24*z1*z2)/(s12^2*s34^2*z12^2) - 
   (4*s13*s14*s24*z1*z2)/(s12^2*s34^2*z12^2) - 
   (6*s23*s24*z1*z2)/(s12*s34^2*z12^2) - (12*s13*s23*s24*z1*z2)/
    (s12^2*s34^2*z12^2) - (4*s14*s23*s24*z1*z2)/(s12^2*s34^2*z12^2) - 
   (6*s23^2*s24*z1*z2)/(s12^2*s34^2*z12^2) - (2*s13*s24^2*z1*z2)/
    (s12^2*s34^2*z12^2) - (2*s23*s24^2*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*z1*z2)/(s34*z12^2) - (6*s13*z1*z2)/(s12*s34*z12^2) - 
   (2*s13*z1*z2)/(s123*s34*z12^2) - (2*s13*z1*z2)/(s124*s34*z12^2) - 
   (4*s13^2*z1*z2)/(s12^2*s34*z12^2) - (4*s13^2*z1*z2)/(s12*s123*s34*z12^2) - 
   (2*s13^2*z1*z2)/(s12*s124*s34*z12^2) - (2*s13^3*z1*z2)/
    (s12^2*s123*s34*z12^2) - (2*s14*z1*z2)/(s12*s34*z12^2) - 
   (2*s13*s14*z1*z2)/(s12^2*s34*z12^2) - (2*s13*s14*z1*z2)/
    (s12*s123*s34*z12^2) - (4*s13*s14*z1*z2)/(s12*s124*s34*z12^2) - 
   (2*s13^2*s14*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s13^2*s14*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (2*s13*s14^2*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (6*s23*z1*z2)/(s12*s34*z12^2) - (2*s23*z1*z2)/(s123*s34*z12^2) - 
   (2*s23*z1*z2)/(s124*s34*z12^2) - (8*s13*s23*z1*z2)/(s12^2*s34*z12^2) - 
   (8*s13*s23*z1*z2)/(s12*s123*s34*z12^2) - (4*s13*s23*z1*z2)/
    (s12*s124*s34*z12^2) - (6*s13^2*s23*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s14*s23*z1*z2)/(s12^2*s34*z12^2) - (2*s14*s23*z1*z2)/
    (s12*s123*s34*z12^2) - (4*s14*s23*z1*z2)/(s12*s124*s34*z12^2) - 
   (4*s13*s14*s23*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (4*s13*s14*s23*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (2*s14^2*s23*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (4*s23^2*z1*z2)/(s12^2*s34*z12^2) - (4*s23^2*z1*z2)/(s12*s123*s34*z12^2) - 
   (2*s23^2*z1*z2)/(s12*s124*s34*z12^2) - (6*s13*s23^2*z1*z2)/
    (s12^2*s123*s34*z12^2) - (2*s14*s23^2*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s14*s23^2*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (2*s23^3*z1*z2)/(s12^2*s123*s34*z12^2) - (2*s24*z1*z2)/(s12*s34*z12^2) - 
   (2*s13*s24*z1*z2)/(s12^2*s34*z12^2) - (2*s13*s24*z1*z2)/
    (s12*s123*s34*z12^2) - (4*s13*s24*z1*z2)/(s12*s124*s34*z12^2) - 
   (2*s13^2*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s13^2*s24*z1*z2)/(s12^2*s124*s34*z12^2) - (4*s13*s14*s24*z1*z2)/
    (s12^2*s124*s34*z12^2) - (2*s23*s24*z1*z2)/(s12^2*s34*z12^2) - 
   (2*s23*s24*z1*z2)/(s12*s123*s34*z12^2) - (4*s23*s24*z1*z2)/
    (s12*s124*s34*z12^2) - (4*s13*s23*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (4*s13*s23*s24*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (4*s14*s23*s24*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (2*s23^2*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s23^2*s24*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (2*s13*s24^2*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (2*s23*s24^2*z1*z2)/(s12^2*s124*s34*z12^2) + (2*s13*z2)/(s12*s123*z12) + 
   (2*s13^2*z2)/(s12^2*s123*z12) + (2*s13*z2)/(s123*s134*z12) - 
   (s13*z2)/(s124*s134*z12) + (2*s13^2*z2)/(s12*s123*s134*z12) + 
   (2*s13*s14*z2)/(s12^2*s124*z12) - (s13*s14*z2)/(s12*s124*s134*z12) + 
   (2*s13*s23*z2)/(s12^2*s123*z12) + (2*s13*s23*z2)/(s12*s123*s134*z12) + 
   (s14*s23*z2)/(s12^2*s124*z12) - (s13*z2)/(s123*s234*z12) + 
   (2*s13*z2)/(s124*s234*z12) - (s13^2*z2)/(s12*s123*s234*z12) + 
   (2*s13*s14*z2)/(s12*s124*s234*z12) - (s13*s23*z2)/(s12*s123*s234*z12) + 
   (s13*s24*z2)/(s12^2*s124*z12) - (s13*s24*z2)/(s12*s124*s134*z12) + 
   (2*s13*s24*z2)/(s12*s124*s234*z12) + (2*s13*z2)/(s34^2*z12) + 
   (6*s13^2*z2)/(s12*s34^2*z12) + (4*s13^3*z2)/(s12^2*s34^2*z12) + 
   (s12*s13*z2)/(s134*s34^2*z12) + (5*s13^2*z2)/(2*s134*s34^2*z12) + 
   (3*s13^3*z2)/(2*s12*s134*s34^2*z12) + (4*s13*s14*z2)/(s12*s34^2*z12) + 
   (6*s13^2*s14*z2)/(s12^2*s34^2*z12) + (3*s13*s14*z2)/(2*s134*s34^2*z12) + 
   (2*s13^2*s14*z2)/(s12*s134*s34^2*z12) + (2*s13*s14^2*z2)/
    (s12^2*s34^2*z12) + (s13*s14^2*z2)/(2*s12*s134*s34^2*z12) + 
   (6*s13*s23*z2)/(s12*s34^2*z12) + (8*s13^2*s23*z2)/(s12^2*s34^2*z12) + 
   (5*s13*s23*z2)/(2*s134*s34^2*z12) + (3*s13^2*s23*z2)/
    (s12*s134*s34^2*z12) + (s14*s23*z2)/(s12*s34^2*z12) + 
   (7*s13*s14*s23*z2)/(s12^2*s34^2*z12) + (2*s13*s14*s23*z2)/
    (s12*s134*s34^2*z12) + (s14^2*s23*z2)/(s12^2*s34^2*z12) + 
   (4*s13*s23^2*z2)/(s12^2*s34^2*z12) + (3*s13*s23^2*z2)/
    (2*s12*s134*s34^2*z12) + (s14*s23^2*z2)/(s12^2*s34^2*z12) + 
   (s12*s13*z2)/(s234*s34^2*z12) + (5*s13^2*z2)/(2*s234*s34^2*z12) + 
   (3*s13^3*z2)/(2*s12*s234*s34^2*z12) + (3*s13*s14*z2)/(2*s234*s34^2*z12) + 
   (2*s13^2*s14*z2)/(s12*s234*s34^2*z12) + 
   (s13*s14^2*z2)/(2*s12*s234*s34^2*z12) + 
   (5*s13*s23*z2)/(2*s234*s34^2*z12) + (3*s13^2*s23*z2)/
    (s12*s234*s34^2*z12) + (2*s13*s14*s23*z2)/(s12*s234*s34^2*z12) + 
   (3*s13*s23^2*z2)/(2*s12*s234*s34^2*z12) + (3*s13*s24*z2)/(s12*s34^2*z12) + 
   (5*s13^2*s24*z2)/(s12^2*s34^2*z12) + (3*s13*s24*z2)/(2*s134*s34^2*z12) + 
   (2*s13^2*s24*z2)/(s12*s134*s34^2*z12) + (3*s13*s14*s24*z2)/
    (s12^2*s34^2*z12) + (s13*s14*s24*z2)/(s12*s134*s34^2*z12) + 
   (5*s13*s23*s24*z2)/(s12^2*s34^2*z12) + (2*s13*s23*s24*z2)/
    (s12*s134*s34^2*z12) + (s14*s23*s24*z2)/(s12^2*s34^2*z12) + 
   (3*s13*s24*z2)/(2*s234*s34^2*z12) + (2*s13^2*s24*z2)/
    (s12*s234*s34^2*z12) + (s13*s14*s24*z2)/(s12*s234*s34^2*z12) + 
   (2*s13*s23*s24*z2)/(s12*s234*s34^2*z12) + 
   (s13*s24^2*z2)/(s12^2*s34^2*z12) + (s13*s24^2*z2)/(2*s12*s134*s34^2*z12) + 
   (s13*s24^2*z2)/(2*s12*s234*s34^2*z12) + (2*s13*z2)/(s12*s34*z12) + 
   (2*s13*z2)/(s123*s34*z12) + (4*s13^2*z2)/(s12^2*s34*z12) + 
   (4*s13^2*z2)/(s12*s123*s34*z12) + (2*s13^3*z2)/(s12^2*s123*s34*z12) + 
   (s13*z2)/(s134*s34*z12) + (2*s12*s13*z2)/(s123*s134*s34*z12) - 
   (s12*s13*z2)/(s124*s134*s34*z12) + (3*s13^2*z2)/(2*s12*s134*s34*z12) + 
   (4*s13^2*z2)/(s123*s134*s34*z12) - (s13^2*z2)/(s124*s134*s34*z12) + 
   (2*s13^3*z2)/(s12*s123*s134*s34*z12) + (2*s13*s14*z2)/(s12^2*s34*z12) + 
   (2*s13*s14*z2)/(s12*s123*s34*z12) + (2*s13*s14*z2)/(s12*s124*s34*z12) + 
   (2*s13^2*s14*z2)/(s12^2*s123*s34*z12) + (2*s13^2*s14*z2)/
    (s12^2*s124*s34*z12) + (s13*s14*z2)/(2*s12*s134*s34*z12) + 
   (2*s13*s14*z2)/(s123*s134*s34*z12) - (2*s13*s14*z2)/(s124*s134*s34*z12) + 
   (2*s13^2*s14*z2)/(s12*s123*s134*s34*z12) - 
   (s13^2*s14*z2)/(s12*s124*s134*s34*z12) + (2*s13*s14^2*z2)/
    (s12^2*s124*s34*z12) - (s13*s14^2*z2)/(s12*s124*s134*s34*z12) + 
   (4*s13*s23*z2)/(s12^2*s34*z12) + (4*s13*s23*z2)/(s12*s123*s34*z12) + 
   (4*s13^2*s23*z2)/(s12^2*s123*s34*z12) + 
   (3*s13*s23*z2)/(2*s12*s134*s34*z12) + (4*s13*s23*z2)/(s123*s134*s34*z12) - 
   (s13*s23*z2)/(s124*s134*s34*z12) + (4*s13^2*s23*z2)/
    (s12*s123*s134*s34*z12) + (s14*s23*z2)/(s12^2*s34*z12) + 
   (s14*s23*z2)/(s12*s124*s34*z12) + (2*s13*s14*s23*z2)/
    (s12^2*s123*s34*z12) + (3*s13*s14*s23*z2)/(s12^2*s124*s34*z12) + 
   (2*s13*s14*s23*z2)/(s12*s123*s134*s34*z12) - 
   (s13*s14*s23*z2)/(s12*s124*s134*s34*z12) + 
   (s14^2*s23*z2)/(s12^2*s124*s34*z12) + (2*s13*s23^2*z2)/
    (s12^2*s123*s34*z12) + (2*s13*s23^2*z2)/(s12*s123*s134*s34*z12) + 
   (s14*s23^2*z2)/(s12^2*s124*s34*z12) + (s13*z2)/(s234*s34*z12) - 
   (s12*s13*z2)/(s123*s234*s34*z12) + (2*s12*s13*z2)/(s124*s234*s34*z12) + 
   (3*s13^2*z2)/(2*s12*s234*s34*z12) - (2*s13^2*z2)/(s123*s234*s34*z12) + 
   (2*s13^2*z2)/(s124*s234*s34*z12) - (s13^3*z2)/(s12*s123*s234*s34*z12) + 
   (s13*s14*z2)/(2*s12*s234*s34*z12) - (s13*s14*z2)/(s123*s234*s34*z12) + 
   (4*s13*s14*z2)/(s124*s234*s34*z12) - (s13^2*s14*z2)/
    (s12*s123*s234*s34*z12) + (2*s13^2*s14*z2)/(s12*s124*s234*s34*z12) + 
   (2*s13*s14^2*z2)/(s12*s124*s234*s34*z12) + 
   (3*s13*s23*z2)/(2*s12*s234*s34*z12) - (2*s13*s23*z2)/(s123*s234*s34*z12) + 
   (2*s13*s23*z2)/(s124*s234*s34*z12) - (2*s13^2*s23*z2)/
    (s12*s123*s234*s34*z12) - (s13*s14*s23*z2)/(s12*s123*s234*s34*z12) + 
   (2*s13*s14*s23*z2)/(s12*s124*s234*s34*z12) - 
   (s13*s23^2*z2)/(s12*s123*s234*s34*z12) + (s13*s24*z2)/(s12^2*s34*z12) + 
   (2*s13*s24*z2)/(s12*s123*s34*z12) + (s13*s24*z2)/(s12*s124*s34*z12) + 
   (2*s13^2*s24*z2)/(s12^2*s123*s34*z12) + 
   (s13^2*s24*z2)/(s12^2*s124*s34*z12) + (s13*s24*z2)/(2*s12*s134*s34*z12) + 
   (2*s13*s24*z2)/(s123*s134*s34*z12) - (2*s13*s24*z2)/(s124*s134*s34*z12) + 
   (2*s13^2*s24*z2)/(s12*s123*s134*s34*z12) - 
   (s13^2*s24*z2)/(s12*s124*s134*s34*z12) + (3*s13*s14*s24*z2)/
    (s12^2*s124*s34*z12) - (2*s13*s14*s24*z2)/(s12*s124*s134*s34*z12) + 
   (2*s13*s23*s24*z2)/(s12^2*s123*s34*z12) + (s13*s23*s24*z2)/
    (s12^2*s124*s34*z12) + (2*s13*s23*s24*z2)/(s12*s123*s134*s34*z12) - 
   (s13*s23*s24*z2)/(s12*s124*s134*s34*z12) + 
   (s14*s23*s24*z2)/(s12^2*s124*s34*z12) + 
   (s13*s24*z2)/(2*s12*s234*s34*z12) - (s13*s24*z2)/(s123*s234*s34*z12) + 
   (4*s13*s24*z2)/(s124*s234*s34*z12) - (s13^2*s24*z2)/
    (s12*s123*s234*s34*z12) + (2*s13^2*s24*z2)/(s12*s124*s234*s34*z12) + 
   (4*s13*s14*s24*z2)/(s12*s124*s234*s34*z12) - 
   (s13*s23*s24*z2)/(s12*s123*s234*s34*z12) + (2*s13*s23*s24*z2)/
    (s12*s124*s234*s34*z12) + (s13*s24^2*z2)/(s12^2*s124*s34*z12) - 
   (s13*s24^2*z2)/(s12*s124*s134*s34*z12) + (2*s13*s24^2*z2)/
    (s12*s124*s234*s34*z12) - (2*z3)/(s123*z12) - (2*s13*z3)/(s12*s123*z12) - 
   (2*s12*z3)/(s123*s134*z12) + (s12*z3)/(s124*s134*z12) - 
   (2*s13*z3)/(s123*s134*z12) - (s14*z3)/(s12*s124*z12) + 
   (s14*z3)/(s124*s134*z12) - (2*s23*z3)/(s12*s123*z12) - 
   (2*s23*z3)/(s123*s134*z12) + (s12*z3)/(s123*s234*z12) - 
   (2*s12*z3)/(s124*s234*z12) + (s13*z3)/(s123*s234*z12) - 
   (2*s14*z3)/(s124*s234*z12) + (s23*z3)/(s123*s234*z12) - 
   (s24*z3)/(s12*s124*z12) + (s24*z3)/(s124*s134*z12) - 
   (2*s24*z3)/(s124*s234*z12) - (2*s12*z3)/(s34^2*z12) - 
   (6*s13*z3)/(s34^2*z12) - (4*s13^2*z3)/(s12*s34^2*z12) - 
   (s12^2*z3)/(s134*s34^2*z12) - (5*s12*s13*z3)/(2*s134*s34^2*z12) - 
   (3*s13^2*z3)/(2*s134*s34^2*z12) - (3*s14*z3)/(s34^2*z12) - 
   (5*s13*s14*z3)/(s12*s34^2*z12) - (3*s12*s14*z3)/(2*s134*s34^2*z12) - 
   (2*s13*s14*z3)/(s134*s34^2*z12) - (s14^2*z3)/(s12*s34^2*z12) - 
   (s14^2*z3)/(2*s134*s34^2*z12) - (6*s23*z3)/(s34^2*z12) - 
   (8*s13*s23*z3)/(s12*s34^2*z12) - (5*s12*s23*z3)/(2*s134*s34^2*z12) - 
   (3*s13*s23*z3)/(s134*s34^2*z12) - (5*s14*s23*z3)/(s12*s34^2*z12) - 
   (2*s14*s23*z3)/(s134*s34^2*z12) - (4*s23^2*z3)/(s12*s34^2*z12) - 
   (3*s23^2*z3)/(2*s134*s34^2*z12) - (s12^2*z3)/(s234*s34^2*z12) - 
   (5*s12*s13*z3)/(2*s234*s34^2*z12) - (3*s13^2*z3)/(2*s234*s34^2*z12) - 
   (3*s12*s14*z3)/(2*s234*s34^2*z12) - (2*s13*s14*z3)/(s234*s34^2*z12) - 
   (s14^2*z3)/(2*s234*s34^2*z12) - (5*s12*s23*z3)/(2*s234*s34^2*z12) - 
   (3*s13*s23*z3)/(s234*s34^2*z12) - (2*s14*s23*z3)/(s234*s34^2*z12) - 
   (3*s23^2*z3)/(2*s234*s34^2*z12) - (3*s24*z3)/(s34^2*z12) - 
   (5*s13*s24*z3)/(s12*s34^2*z12) - (3*s12*s24*z3)/(2*s134*s34^2*z12) - 
   (2*s13*s24*z3)/(s134*s34^2*z12) - (2*s14*s24*z3)/(s12*s34^2*z12) - 
   (s14*s24*z3)/(s134*s34^2*z12) - (5*s23*s24*z3)/(s12*s34^2*z12) - 
   (2*s23*s24*z3)/(s134*s34^2*z12) - (3*s12*s24*z3)/(2*s234*s34^2*z12) - 
   (2*s13*s24*z3)/(s234*s34^2*z12) - (s14*s24*z3)/(s234*s34^2*z12) - 
   (2*s23*s24*z3)/(s234*s34^2*z12) - (s24^2*z3)/(s12*s34^2*z12) - 
   (s24^2*z3)/(2*s134*s34^2*z12) - (s24^2*z3)/(2*s234*s34^2*z12) - 
   (2*z3)/(s34*z12) - (2*s12*z3)/(s123*s34*z12) - (4*s13*z3)/(s12*s34*z12) - 
   (4*s13*z3)/(s123*s34*z12) - (2*s13^2*z3)/(s12*s123*s34*z12) - 
   (s12*z3)/(s134*s34*z12) - (2*s12^2*z3)/(s123*s134*s34*z12) + 
   (s12^2*z3)/(s124*s134*s34*z12) - (3*s13*z3)/(2*s134*s34*z12) - 
   (4*s12*s13*z3)/(s123*s134*s34*z12) + (s12*s13*z3)/(s124*s134*s34*z12) - 
   (2*s13^2*z3)/(s123*s134*s34*z12) - (s14*z3)/(s12*s34*z12) - 
   (2*s14*z3)/(s123*s34*z12) - (s14*z3)/(s124*s34*z12) - 
   (2*s13*s14*z3)/(s12*s123*s34*z12) - (s13*s14*z3)/(s12*s124*s34*z12) - 
   (s14*z3)/(2*s134*s34*z12) - (2*s12*s14*z3)/(s123*s134*s34*z12) + 
   (2*s12*s14*z3)/(s124*s134*s34*z12) - (2*s13*s14*z3)/(s123*s134*s34*z12) + 
   (s13*s14*z3)/(s124*s134*s34*z12) - (s14^2*z3)/(s12*s124*s34*z12) + 
   (s14^2*z3)/(s124*s134*s34*z12) - (4*s23*z3)/(s12*s34*z12) - 
   (4*s23*z3)/(s123*s34*z12) - (4*s13*s23*z3)/(s12*s123*s34*z12) - 
   (3*s23*z3)/(2*s134*s34*z12) - (4*s12*s23*z3)/(s123*s134*s34*z12) + 
   (s12*s23*z3)/(s124*s134*s34*z12) - (4*s13*s23*z3)/(s123*s134*s34*z12) - 
   (2*s14*s23*z3)/(s12*s123*s34*z12) - (s14*s23*z3)/(s12*s124*s34*z12) - 
   (2*s14*s23*z3)/(s123*s134*s34*z12) + (s14*s23*z3)/(s124*s134*s34*z12) - 
   (2*s23^2*z3)/(s12*s123*s34*z12) - (2*s23^2*z3)/(s123*s134*s34*z12) - 
   (s12*z3)/(s234*s34*z12) + (s12^2*z3)/(s123*s234*s34*z12) - 
   (2*s12^2*z3)/(s124*s234*s34*z12) - (3*s13*z3)/(2*s234*s34*z12) + 
   (2*s12*s13*z3)/(s123*s234*s34*z12) - (2*s12*s13*z3)/(s124*s234*s34*z12) + 
   (s13^2*z3)/(s123*s234*s34*z12) - (s14*z3)/(2*s234*s34*z12) + 
   (s12*s14*z3)/(s123*s234*s34*z12) - (4*s12*s14*z3)/(s124*s234*s34*z12) + 
   (s13*s14*z3)/(s123*s234*s34*z12) - (2*s13*s14*z3)/(s124*s234*s34*z12) - 
   (2*s14^2*z3)/(s124*s234*s34*z12) - (3*s23*z3)/(2*s234*s34*z12) + 
   (2*s12*s23*z3)/(s123*s234*s34*z12) - (2*s12*s23*z3)/(s124*s234*s34*z12) + 
   (2*s13*s23*z3)/(s123*s234*s34*z12) + (s14*s23*z3)/(s123*s234*s34*z12) - 
   (2*s14*s23*z3)/(s124*s234*s34*z12) + (s23^2*z3)/(s123*s234*s34*z12) - 
   (s24*z3)/(s12*s34*z12) - (2*s24*z3)/(s123*s34*z12) - 
   (s24*z3)/(s124*s34*z12) - (2*s13*s24*z3)/(s12*s123*s34*z12) - 
   (s13*s24*z3)/(s12*s124*s34*z12) - (s24*z3)/(2*s134*s34*z12) - 
   (2*s12*s24*z3)/(s123*s134*s34*z12) + (2*s12*s24*z3)/(s124*s134*s34*z12) - 
   (2*s13*s24*z3)/(s123*s134*s34*z12) + (s13*s24*z3)/(s124*s134*s34*z12) - 
   (2*s14*s24*z3)/(s12*s124*s34*z12) + (2*s14*s24*z3)/(s124*s134*s34*z12) - 
   (2*s23*s24*z3)/(s12*s123*s34*z12) - (s23*s24*z3)/(s12*s124*s34*z12) - 
   (2*s23*s24*z3)/(s123*s134*s34*z12) + (s23*s24*z3)/(s124*s134*s34*z12) - 
   (s24*z3)/(2*s234*s34*z12) + (s12*s24*z3)/(s123*s234*s34*z12) - 
   (4*s12*s24*z3)/(s124*s234*s34*z12) + (s13*s24*z3)/(s123*s234*s34*z12) - 
   (2*s13*s24*z3)/(s124*s234*s34*z12) - (4*s14*s24*z3)/(s124*s234*s34*z12) + 
   (s23*s24*z3)/(s123*s234*s34*z12) - (2*s23*s24*z3)/(s124*s234*s34*z12) - 
   (s24^2*z3)/(s12*s124*s34*z12) + (s24^2*z3)/(s124*s134*s34*z12) - 
   (2*s24^2*z3)/(s124*s234*s34*z12) + (2*z1)/(s12*z34) + z1/(s123*z34) + 
   (s13*z1)/(s12*s123*z34) + z1/(s134*z34) + (s14*z1)/(s12*s123*z34) - 
   (s23*z1)/(s12^2*z34) + (s23*z1)/(s12*s123*z34) - 
   (s13*s23*z1)/(2*s12^2*s123*z34) + (s13*s23*z1)/(2*s12^2*s124*z34) - 
   (s14*s23*z1)/(2*s12^2*s123*z34) + (s14*s23*z1)/(2*s12^2*s124*z34) + 
   (s23^2*z1)/(2*s12^2*s123*z34) - (s23^2*z1)/(2*s12^2*s124*z34) - 
   (s23*z1)/(s12*s234*z34) - (s24*z1)/(s12^2*z34) + (s24*z1)/(s12*s123*z34) + 
   (s23*s24*z1)/(2*s12^2*s123*z34) - (s23*s24*z1)/(2*s12^2*s124*z34) - 
   (s24*z1)/(s12*s234*z34) + (2*z1)/(s34*z34) + (2*s13*z1)/(s12*s34*z34) + 
   (s12*z1)/(s134*s34*z34) + (s13*z1)/(s134*s34*z34) + 
   (2*s14*z1)/(s12*s34*z34) + (s14*z1)/(s134*s34*z34) + 
   (s23*z1)/(s12*s34*z34) - (s13*s23*z1)/(s12^2*s34*z34) - 
   (s13*s23*z1)/(2*s12*s123*s34*z34) + (s13*s23*z1)/(2*s12*s124*s34*z34) - 
   (s13^2*s23*z1)/(2*s12^2*s123*s34*z34) + 
   (s13^2*s23*z1)/(2*s12^2*s124*s34*z34) + (s23*z1)/(s134*s34*z34) - 
   (s14*s23*z1)/(s12^2*s34*z34) - (s14*s23*z1)/(2*s12*s123*s34*z34) + 
   (s14*s23*z1)/(2*s12*s124*s34*z34) - (s13*s14*s23*z1)/
    (s12^2*s123*s34*z34) + (s13*s14*s23*z1)/(s12^2*s124*s34*z34) - 
   (s14^2*s23*z1)/(2*s12^2*s123*s34*z34) + 
   (s14^2*s23*z1)/(2*s12^2*s124*s34*z34) - (s23^2*z1)/(s12^2*s34*z34) + 
   (s23^2*z1)/(2*s12*s123*s34*z34) - (s23^2*z1)/(2*s12*s124*s34*z34) + 
   (s23^3*z1)/(2*s12^2*s123*s34*z34) - (s23^3*z1)/(2*s12^2*s124*s34*z34) - 
   (s23*z1)/(s234*s34*z34) - (s13*s23*z1)/(s12*s234*s34*z34) - 
   (s14*s23*z1)/(s12*s234*s34*z34) - (s23^2*z1)/(s12*s234*s34*z34) + 
   (s24*z1)/(s12*s34*z34) - (s13*s24*z1)/(s12^2*s34*z34) + 
   (s24*z1)/(s134*s34*z34) - (s14*s24*z1)/(s12^2*s34*z34) - 
   (2*s23*s24*z1)/(s12^2*s34*z34) + (s23*s24*z1)/(2*s12*s123*s34*z34) - 
   (s23*s24*z1)/(2*s12*s124*s34*z34) + (s23^2*s24*z1)/(s12^2*s123*s34*z34) - 
   (s23^2*s24*z1)/(s12^2*s124*s34*z34) - (s24*z1)/(s234*s34*z34) - 
   (s13*s24*z1)/(s12*s234*s34*z34) - (s14*s24*z1)/(s12*s234*s34*z34) - 
   (2*s23*s24*z1)/(s12*s234*s34*z34) - (s24^2*z1)/(s12^2*s34*z34) + 
   (s23*s24^2*z1)/(2*s12^2*s123*s34*z34) - 
   (s23*s24^2*z1)/(2*s12^2*s124*s34*z34) - (s24^2*z1)/(s12*s234*s34*z34) + 
   (s34*z1)/(s12*s123*z34) + (s23*z1^2)/(s12^2*z12*z34) + 
   (s23*z1^2)/(s12*s123*z12*z34) - (s23*z1^2)/(s12*s124*z12*z34) + 
   (s13*s23*z1^2)/(2*s12^2*s123*z12*z34) - 
   (s13*s23*z1^2)/(2*s12^2*s124*z12*z34) + 
   (s14*s23*z1^2)/(2*s12^2*s123*z12*z34) - 
   (s14*s23*z1^2)/(2*s12^2*s124*z12*z34) + 
   (s23^2*z1^2)/(2*s12^2*s123*z12*z34) - 
   (s23^2*z1^2)/(2*s12^2*s124*z12*z34) + (s24*z1^2)/(s12^2*z12*z34) + 
   (s23*s24*z1^2)/(2*s12^2*s123*z12*z34) - 
   (s23*s24*z1^2)/(2*s12^2*s124*z12*z34) + (s23*z1^2)/(s12*s34*z12*z34) + 
   (s23*z1^2)/(s123*s34*z12*z34) - (s23*z1^2)/(s124*s34*z12*z34) + 
   (s13*s23*z1^2)/(s12^2*s34*z12*z34) + (3*s13*s23*z1^2)/
    (2*s12*s123*s34*z12*z34) - (3*s13*s23*z1^2)/(2*s12*s124*s34*z12*z34) + 
   (s13^2*s23*z1^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s23*z1^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s23*z1^2)/(s12^2*s34*z12*z34) + (3*s14*s23*z1^2)/
    (2*s12*s123*s34*z12*z34) - (3*s14*s23*z1^2)/(2*s12*s124*s34*z12*z34) + 
   (s13*s14*s23*z1^2)/(s12^2*s123*s34*z12*z34) - 
   (s13*s14*s23*z1^2)/(s12^2*s124*s34*z12*z34) + 
   (s14^2*s23*z1^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s14^2*s23*z1^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^2*z1^2)/(s12^2*s34*z12*z34) + (3*s23^2*z1^2)/
    (2*s12*s123*s34*z12*z34) - (3*s23^2*z1^2)/(2*s12*s124*s34*z12*z34) + 
   (s13*s23^2*z1^2)/(s12^2*s123*s34*z12*z34) - 
   (s13*s23^2*z1^2)/(s12^2*s124*s34*z12*z34) + 
   (s14*s23^2*z1^2)/(s12^2*s123*s34*z12*z34) - 
   (s14*s23^2*z1^2)/(s12^2*s124*s34*z12*z34) + 
   (s23^3*z1^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s23^3*z1^2)/(2*s12^2*s124*s34*z12*z34) + (s24*z1^2)/(s12*s34*z12*z34) + 
   (s13*s24*z1^2)/(s12^2*s34*z12*z34) + (s14*s24*z1^2)/(s12^2*s34*z12*z34) + 
   (2*s23*s24*z1^2)/(s12^2*s34*z12*z34) + (3*s23*s24*z1^2)/
    (2*s12*s123*s34*z12*z34) - (3*s23*s24*z1^2)/(2*s12*s124*s34*z12*z34) + 
   (s13*s23*s24*z1^2)/(s12^2*s123*s34*z12*z34) - 
   (s13*s23*s24*z1^2)/(s12^2*s124*s34*z12*z34) + 
   (s14*s23*s24*z1^2)/(s12^2*s123*s34*z12*z34) - 
   (s14*s23*s24*z1^2)/(s12^2*s124*s34*z12*z34) + 
   (s23^2*s24*z1^2)/(s12^2*s123*s34*z12*z34) - 
   (s23^2*s24*z1^2)/(s12^2*s124*s34*z12*z34) + 
   (s24^2*z1^2)/(s12^2*s34*z12*z34) + (s23*s24^2*z1^2)/
    (2*s12^2*s123*s34*z12*z34) - (s23*s24^2*z1^2)/
    (2*s12^2*s124*s34*z12*z34) + (2*z2)/(s12*z34) + z2/(s123*z34) - 
   (s13*z2)/(s12^2*z34) + (s13*z2)/(s12*s123*z34) + 
   (s13^2*z2)/(2*s12^2*s123*z34) - (s13^2*z2)/(2*s12^2*s124*z34) - 
   (s13*z2)/(s12*s134*z34) - (s14*z2)/(s12^2*z34) + (s14*z2)/(s12*s123*z34) + 
   (s13*s14*z2)/(2*s12^2*s123*z34) - (s13*s14*z2)/(2*s12^2*s124*z34) - 
   (s14*z2)/(s12*s134*z34) + (s23*z2)/(s12*s123*z34) - 
   (s13*s23*z2)/(2*s12^2*s123*z34) + (s13*s23*z2)/(2*s12^2*s124*z34) + 
   z2/(s234*z34) + (s24*z2)/(s12*s123*z34) - 
   (s13*s24*z2)/(2*s12^2*s123*z34) + (s13*s24*z2)/(2*s12^2*s124*z34) + 
   (2*z2)/(s34*z34) + (s13*z2)/(s12*s34*z34) - (s13^2*z2)/(s12^2*s34*z34) + 
   (s13^2*z2)/(2*s12*s123*s34*z34) - (s13^2*z2)/(2*s12*s124*s34*z34) + 
   (s13^3*z2)/(2*s12^2*s123*s34*z34) - (s13^3*z2)/(2*s12^2*s124*s34*z34) - 
   (s13*z2)/(s134*s34*z34) - (s13^2*z2)/(s12*s134*s34*z34) + 
   (s14*z2)/(s12*s34*z34) - (2*s13*s14*z2)/(s12^2*s34*z34) + 
   (s13*s14*z2)/(2*s12*s123*s34*z34) - (s13*s14*z2)/(2*s12*s124*s34*z34) + 
   (s13^2*s14*z2)/(s12^2*s123*s34*z34) - (s13^2*s14*z2)/
    (s12^2*s124*s34*z34) - (s14*z2)/(s134*s34*z34) - 
   (2*s13*s14*z2)/(s12*s134*s34*z34) - (s14^2*z2)/(s12^2*s34*z34) + 
   (s13*s14^2*z2)/(2*s12^2*s123*s34*z34) - 
   (s13*s14^2*z2)/(2*s12^2*s124*s34*z34) - (s14^2*z2)/(s12*s134*s34*z34) + 
   (2*s23*z2)/(s12*s34*z34) - (s13*s23*z2)/(s12^2*s34*z34) - 
   (s13*s23*z2)/(2*s12*s123*s34*z34) + (s13*s23*z2)/(2*s12*s124*s34*z34) - 
   (s13*s23*z2)/(s12*s134*s34*z34) - (s14*s23*z2)/(s12^2*s34*z34) - 
   (s14*s23*z2)/(s12*s134*s34*z34) - (s13*s23^2*z2)/(2*s12^2*s123*s34*z34) + 
   (s13*s23^2*z2)/(2*s12^2*s124*s34*z34) + (s12*z2)/(s234*s34*z34) + 
   (s13*z2)/(s234*s34*z34) + (s14*z2)/(s234*s34*z34) + 
   (s23*z2)/(s234*s34*z34) + (2*s24*z2)/(s12*s34*z34) - 
   (s13*s24*z2)/(s12^2*s34*z34) - (s13*s24*z2)/(2*s12*s123*s34*z34) + 
   (s13*s24*z2)/(2*s12*s124*s34*z34) - (s13*s24*z2)/(s12*s134*s34*z34) - 
   (s14*s24*z2)/(s12^2*s34*z34) - (s14*s24*z2)/(s12*s134*s34*z34) - 
   (s13*s23*s24*z2)/(s12^2*s123*s34*z34) + (s13*s23*s24*z2)/
    (s12^2*s124*s34*z34) + (s24*z2)/(s234*s34*z34) - 
   (s13*s24^2*z2)/(2*s12^2*s123*s34*z34) + 
   (s13*s24^2*z2)/(2*s12^2*s124*s34*z34) + (s34*z2)/(s12*s123*z34) - 
   (4*z1^2*z2)/(s12*z12^2*z34) - (2*s13*z1^2*z2)/(s12^2*z12^2*z34) - 
   (2*s14*z1^2*z2)/(s12^2*z12^2*z34) - (2*s23*z1^2*z2)/(s12^2*z12^2*z34) - 
   (2*s24*z1^2*z2)/(s12^2*z12^2*z34) - (4*z1^2*z2)/(s34*z12^2*z34) - 
   (6*s13*z1^2*z2)/(s12*s34*z12^2*z34) - (2*s13^2*z1^2*z2)/
    (s12^2*s34*z12^2*z34) - (6*s14*z1^2*z2)/(s12*s34*z12^2*z34) - 
   (4*s13*s14*z1^2*z2)/(s12^2*s34*z12^2*z34) - 
   (2*s14^2*z1^2*z2)/(s12^2*s34*z12^2*z34) - 
   (6*s23*z1^2*z2)/(s12*s34*z12^2*z34) - (4*s13*s23*z1^2*z2)/
    (s12^2*s34*z12^2*z34) - (4*s14*s23*z1^2*z2)/(s12^2*s34*z12^2*z34) - 
   (2*s23^2*z1^2*z2)/(s12^2*s34*z12^2*z34) - 
   (6*s24*z1^2*z2)/(s12*s34*z12^2*z34) - (4*s13*s24*z1^2*z2)/
    (s12^2*s34*z12^2*z34) - (4*s14*s24*z1^2*z2)/(s12^2*s34*z12^2*z34) - 
   (4*s23*s24*z1^2*z2)/(s12^2*s34*z12^2*z34) - 
   (2*s24^2*z1^2*z2)/(s12^2*s34*z12^2*z34) + (4*z1*z2)/(s12*z12*z34) + 
   (3*s13*z1*z2)/(s12^2*z12*z34) - (s13*z1*z2)/(s12*s123*z12*z34) + 
   (s13*z1*z2)/(s12*s124*z12*z34) - (s13^2*z1*z2)/(2*s12^2*s123*z12*z34) + 
   (s13^2*z1*z2)/(2*s12^2*s124*z12*z34) + (2*z1*z2)/(s134*z12*z34) + 
   (s13*z1*z2)/(s12*s134*z12*z34) + (3*s14*z1*z2)/(s12^2*z12*z34) - 
   (s13*s14*z1*z2)/(2*s12^2*s123*z12*z34) + (s13*s14*z1*z2)/
    (2*s12^2*s124*z12*z34) + (s14*z1*z2)/(s12*s134*z12*z34) + 
   (3*s23*z1*z2)/(s12^2*z12*z34) - (s23*z1*z2)/(s12*s123*z12*z34) + 
   (s23*z1*z2)/(s12*s124*z12*z34) - (s13*s23*z1*z2)/(s12^2*s123*z12*z34) + 
   (s13*s23*z1*z2)/(s12^2*s124*z12*z34) + (s23*z1*z2)/(s12*s134*z12*z34) - 
   (s14*s23*z1*z2)/(2*s12^2*s123*z12*z34) + (s14*s23*z1*z2)/
    (2*s12^2*s124*z12*z34) - (s23^2*z1*z2)/(2*s12^2*s123*z12*z34) + 
   (s23^2*z1*z2)/(2*s12^2*s124*z12*z34) + (2*z1*z2)/(s234*z12*z34) + 
   (s13*z1*z2)/(s12*s234*z12*z34) + (s14*z1*z2)/(s12*s234*z12*z34) + 
   (s23*z1*z2)/(s12*s234*z12*z34) + (3*s24*z1*z2)/(s12^2*z12*z34) - 
   (s13*s24*z1*z2)/(2*s12^2*s123*z12*z34) + (s13*s24*z1*z2)/
    (2*s12^2*s124*z12*z34) + (s24*z1*z2)/(s12*s134*z12*z34) - 
   (s23*s24*z1*z2)/(2*s12^2*s123*z12*z34) + (s23*s24*z1*z2)/
    (2*s12^2*s124*z12*z34) + (s24*z1*z2)/(s12*s234*z12*z34) + 
   (4*z1*z2)/(s34*z12*z34) + (7*s13*z1*z2)/(s12*s34*z12*z34) - 
   (s13*z1*z2)/(s123*s34*z12*z34) + (s13*z1*z2)/(s124*s34*z12*z34) + 
   (3*s13^2*z1*z2)/(s12^2*s34*z12*z34) - (3*s13^2*z1*z2)/
    (2*s12*s123*s34*z12*z34) + (3*s13^2*z1*z2)/(2*s12*s124*s34*z12*z34) - 
   (s13^3*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^3*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (2*s12*z1*z2)/(s134*s34*z12*z34) + (3*s13*z1*z2)/(s134*s34*z12*z34) + 
   (s13^2*z1*z2)/(s12*s134*s34*z12*z34) + (7*s14*z1*z2)/(s12*s34*z12*z34) + 
   (6*s13*s14*z1*z2)/(s12^2*s34*z12*z34) - (3*s13*s14*z1*z2)/
    (2*s12*s123*s34*z12*z34) + (3*s13*s14*z1*z2)/(2*s12*s124*s34*z12*z34) - 
   (s13^2*s14*z1*z2)/(s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z1*z2)/(s12^2*s124*s34*z12*z34) + 
   (3*s14*z1*z2)/(s134*s34*z12*z34) + (2*s13*s14*z1*z2)/
    (s12*s134*s34*z12*z34) + (3*s14^2*z1*z2)/(s12^2*s34*z12*z34) - 
   (s13*s14^2*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14^2*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14^2*z1*z2)/(s12*s134*s34*z12*z34) + (7*s23*z1*z2)/(s12*s34*z12*z34) - 
   (s23*z1*z2)/(s123*s34*z12*z34) + (s23*z1*z2)/(s124*s34*z12*z34) + 
   (6*s13*s23*z1*z2)/(s12^2*s34*z12*z34) - (3*s13*s23*z1*z2)/
    (s12*s123*s34*z12*z34) + (3*s13*s23*z1*z2)/(s12*s124*s34*z12*z34) - 
   (3*s13^2*s23*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (3*s13^2*s23*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s23*z1*z2)/(s134*s34*z12*z34) + (2*s13*s23*z1*z2)/
    (s12*s134*s34*z12*z34) + (6*s14*s23*z1*z2)/(s12^2*s34*z12*z34) - 
   (3*s14*s23*z1*z2)/(2*s12*s123*s34*z12*z34) + 
   (3*s14*s23*z1*z2)/(2*s12*s124*s34*z12*z34) - (2*s13*s14*s23*z1*z2)/
    (s12^2*s123*s34*z12*z34) + (2*s13*s14*s23*z1*z2)/
    (s12^2*s124*s34*z12*z34) + (2*s14*s23*z1*z2)/(s12*s134*s34*z12*z34) - 
   (s14^2*s23*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s23^2*z1*z2)/(s12^2*s34*z12*z34) - (3*s23^2*z1*z2)/
    (2*s12*s123*s34*z12*z34) + (3*s23^2*z1*z2)/(2*s12*s124*s34*z12*z34) - 
   (3*s13*s23^2*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (3*s13*s23^2*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^2*z1*z2)/(s12*s134*s34*z12*z34) - (s14*s23^2*z1*z2)/
    (s12^2*s123*s34*z12*z34) + (s14*s23^2*z1*z2)/(s12^2*s124*s34*z12*z34) - 
   (s23^3*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (s23^3*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (2*s12*z1*z2)/(s234*s34*z12*z34) + (3*s13*z1*z2)/(s234*s34*z12*z34) + 
   (s13^2*z1*z2)/(s12*s234*s34*z12*z34) + (3*s14*z1*z2)/(s234*s34*z12*z34) + 
   (2*s13*s14*z1*z2)/(s12*s234*s34*z12*z34) + 
   (s14^2*z1*z2)/(s12*s234*s34*z12*z34) + (3*s23*z1*z2)/(s234*s34*z12*z34) + 
   (2*s13*s23*z1*z2)/(s12*s234*s34*z12*z34) + 
   (2*s14*s23*z1*z2)/(s12*s234*s34*z12*z34) + 
   (s23^2*z1*z2)/(s12*s234*s34*z12*z34) + (7*s24*z1*z2)/(s12*s34*z12*z34) + 
   (6*s13*s24*z1*z2)/(s12^2*s34*z12*z34) - (3*s13*s24*z1*z2)/
    (2*s12*s123*s34*z12*z34) + (3*s13*s24*z1*z2)/(2*s12*s124*s34*z12*z34) - 
   (s13^2*s24*z1*z2)/(s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z1*z2)/(s12^2*s124*s34*z12*z34) + 
   (3*s24*z1*z2)/(s134*s34*z12*z34) + (2*s13*s24*z1*z2)/
    (s12*s134*s34*z12*z34) + (6*s14*s24*z1*z2)/(s12^2*s34*z12*z34) - 
   (s13*s14*s24*z1*z2)/(s12^2*s123*s34*z12*z34) + 
   (s13*s14*s24*z1*z2)/(s12^2*s124*s34*z12*z34) + 
   (2*s14*s24*z1*z2)/(s12*s134*s34*z12*z34) + 
   (6*s23*s24*z1*z2)/(s12^2*s34*z12*z34) - (3*s23*s24*z1*z2)/
    (2*s12*s123*s34*z12*z34) + (3*s23*s24*z1*z2)/(2*s12*s124*s34*z12*z34) - 
   (2*s13*s23*s24*z1*z2)/(s12^2*s123*s34*z12*z34) + 
   (2*s13*s23*s24*z1*z2)/(s12^2*s124*s34*z12*z34) + 
   (2*s23*s24*z1*z2)/(s12*s134*s34*z12*z34) - (s14*s23*s24*z1*z2)/
    (s12^2*s123*s34*z12*z34) + (s14*s23*s24*z1*z2)/(s12^2*s124*s34*z12*z34) - 
   (s23^2*s24*z1*z2)/(s12^2*s123*s34*z12*z34) + 
   (s23^2*s24*z1*z2)/(s12^2*s124*s34*z12*z34) + 
   (3*s24*z1*z2)/(s234*s34*z12*z34) + (2*s13*s24*z1*z2)/
    (s12*s234*s34*z12*z34) + (2*s14*s24*z1*z2)/(s12*s234*s34*z12*z34) + 
   (2*s23*s24*z1*z2)/(s12*s234*s34*z12*z34) + 
   (3*s24^2*z1*z2)/(s12^2*s34*z12*z34) - (s13*s24^2*z1*z2)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s24^2*z1*z2)/
    (2*s12^2*s124*s34*z12*z34) + (s24^2*z1*z2)/(s12*s134*s34*z12*z34) - 
   (s23*s24^2*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (s23*s24^2*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (s24^2*z1*z2)/(s12*s234*s34*z12*z34) - (4*z1*z2^2)/(s12*z12^2*z34) - 
   (2*s13*z1*z2^2)/(s12^2*z12^2*z34) - (2*s14*z1*z2^2)/(s12^2*z12^2*z34) - 
   (2*s23*z1*z2^2)/(s12^2*z12^2*z34) - (2*s24*z1*z2^2)/(s12^2*z12^2*z34) - 
   (4*z1*z2^2)/(s34*z12^2*z34) - (6*s13*z1*z2^2)/(s12*s34*z12^2*z34) - 
   (2*s13^2*z1*z2^2)/(s12^2*s34*z12^2*z34) - 
   (6*s14*z1*z2^2)/(s12*s34*z12^2*z34) - (4*s13*s14*z1*z2^2)/
    (s12^2*s34*z12^2*z34) - (2*s14^2*z1*z2^2)/(s12^2*s34*z12^2*z34) - 
   (6*s23*z1*z2^2)/(s12*s34*z12^2*z34) - (4*s13*s23*z1*z2^2)/
    (s12^2*s34*z12^2*z34) - (4*s14*s23*z1*z2^2)/(s12^2*s34*z12^2*z34) - 
   (2*s23^2*z1*z2^2)/(s12^2*s34*z12^2*z34) - 
   (6*s24*z1*z2^2)/(s12*s34*z12^2*z34) - (4*s13*s24*z1*z2^2)/
    (s12^2*s34*z12^2*z34) - (4*s14*s24*z1*z2^2)/(s12^2*s34*z12^2*z34) - 
   (4*s23*s24*z1*z2^2)/(s12^2*s34*z12^2*z34) - 
   (2*s24^2*z1*z2^2)/(s12^2*s34*z12^2*z34) + (s13*z2^2)/(s12^2*z12*z34) + 
   (s13*z2^2)/(s12*s123*z12*z34) - (s13*z2^2)/(s12*s124*z12*z34) + 
   (s13^2*z2^2)/(2*s12^2*s123*z12*z34) - 
   (s13^2*z2^2)/(2*s12^2*s124*z12*z34) + (s14*z2^2)/(s12^2*z12*z34) + 
   (s13*s14*z2^2)/(2*s12^2*s123*z12*z34) - 
   (s13*s14*z2^2)/(2*s12^2*s124*z12*z34) + 
   (s13*s23*z2^2)/(2*s12^2*s123*z12*z34) - 
   (s13*s23*z2^2)/(2*s12^2*s124*z12*z34) + 
   (s13*s24*z2^2)/(2*s12^2*s123*z12*z34) - 
   (s13*s24*z2^2)/(2*s12^2*s124*z12*z34) + (s13*z2^2)/(s12*s34*z12*z34) + 
   (s13*z2^2)/(s123*s34*z12*z34) - (s13*z2^2)/(s124*s34*z12*z34) + 
   (s13^2*z2^2)/(s12^2*s34*z12*z34) + (3*s13^2*z2^2)/
    (2*s12*s123*s34*z12*z34) - (3*s13^2*z2^2)/(2*s12*s124*s34*z12*z34) + 
   (s13^3*z2^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^3*z2^2)/(2*s12^2*s124*s34*z12*z34) + (s14*z2^2)/(s12*s34*z12*z34) + 
   (2*s13*s14*z2^2)/(s12^2*s34*z12*z34) + (3*s13*s14*z2^2)/
    (2*s12*s123*s34*z12*z34) - (3*s13*s14*z2^2)/(2*s12*s124*s34*z12*z34) + 
   (s13^2*s14*z2^2)/(s12^2*s123*s34*z12*z34) - 
   (s13^2*s14*z2^2)/(s12^2*s124*s34*z12*z34) + 
   (s14^2*z2^2)/(s12^2*s34*z12*z34) + (s13*s14^2*z2^2)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s14^2*z2^2)/
    (2*s12^2*s124*s34*z12*z34) + (s13*s23*z2^2)/(s12^2*s34*z12*z34) + 
   (3*s13*s23*z2^2)/(2*s12*s123*s34*z12*z34) - 
   (3*s13*s23*z2^2)/(2*s12*s124*s34*z12*z34) + 
   (s13^2*s23*z2^2)/(s12^2*s123*s34*z12*z34) - 
   (s13^2*s23*z2^2)/(s12^2*s124*s34*z12*z34) + 
   (s14*s23*z2^2)/(s12^2*s34*z12*z34) + (s13*s14*s23*z2^2)/
    (s12^2*s123*s34*z12*z34) - (s13*s14*s23*z2^2)/(s12^2*s124*s34*z12*z34) + 
   (s13*s23^2*z2^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s23^2*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s13*s24*z2^2)/(s12^2*s34*z12*z34) + (3*s13*s24*z2^2)/
    (2*s12*s123*s34*z12*z34) - (3*s13*s24*z2^2)/(2*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z2^2)/(s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z2^2)/(s12^2*s124*s34*z12*z34) + 
   (s14*s24*z2^2)/(s12^2*s34*z12*z34) + (s13*s14*s24*z2^2)/
    (s12^2*s123*s34*z12*z34) - (s13*s14*s24*z2^2)/(s12^2*s124*s34*z12*z34) + 
   (s13*s23*s24*z2^2)/(s12^2*s123*s34*z12*z34) - 
   (s13*s23*s24*z2^2)/(s12^2*s124*s34*z12*z34) + 
   (s13*s24^2*z2^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s24^2*z2^2)/(2*s12^2*s124*s34*z12*z34) + (2*z3)/(s12*z34) + 
   z3/(s123*z34) - z3/(s124*z34) + (s13*z3)/(2*s12*s123*z34) - 
   (5*s13*z3)/(2*s12*s124*z34) + (2*s12*z3)/(s124*s134*z34) + 
   (4*s13*z3)/(s124*s134*z34) + (s14*z3)/(2*s12*s123*z34) - 
   (7*s14*z3)/(2*s12*s124*z34) + (4*s14*z3)/(s124*s134*z34) + 
   (s23*z3)/(2*s12*s123*z34) - (5*s23*z3)/(2*s12*s124*z34) - 
   (2*s13*s23*z3)/(s12^2*s123*z34) + (2*s23*z3)/(s124*s134*z34) - 
   (s14*s23*z3)/(s12^2*s123*z34) - (s14*s23*z3)/(s12^2*s124*z34) - 
   (4*s12*z3)/(s124*s234*z34) - (4*s13*z3)/(s124*s234*z34) - 
   (4*s14*z3)/(s124*s234*z34) - (8*s23*z3)/(s124*s234*z34) + 
   (s24*z3)/(2*s12*s123*z34) - (7*s24*z3)/(2*s12*s124*z34) - 
   (s13*s24*z3)/(s12^2*s123*z34) - (s13*s24*z3)/(s12^2*s124*z34) + 
   (2*s24*z3)/(s124*s134*z34) - (2*s14*s24*z3)/(s12^2*s124*z34) - 
   (8*s24*z3)/(s124*s234*z34) - (2*s13*z3)/(s34^2*z34) - 
   (2*s13^2*z3)/(s12*s34^2*z34) - (s12*s13*z3)/(s134*s34^2*z34) - 
   (s13^2*z3)/(s134*s34^2*z34) - (4*s14*z3)/(s34^2*z34) - 
   (6*s13*s14*z3)/(s12*s34^2*z34) - (2*s12*s14*z3)/(s134*s34^2*z34) - 
   (3*s13*s14*z3)/(s134*s34^2*z34) - (4*s14^2*z3)/(s12*s34^2*z34) - 
   (2*s14^2*z3)/(s134*s34^2*z34) - (2*s23*z3)/(s34^2*z34) - 
   (8*s13*s23*z3)/(s12*s34^2*z34) - (4*s13^2*s23*z3)/(s12^2*s34^2*z34) - 
   (2*s13*s23*z3)/(s134*s34^2*z34) - (s13^2*s23*z3)/(s12*s134*s34^2*z34) - 
   (9*s14*s23*z3)/(s12*s34^2*z34) - (7*s13*s14*s23*z3)/(s12^2*s34^2*z34) - 
   (3*s14*s23*z3)/(s134*s34^2*z34) - (2*s13*s14*s23*z3)/
    (s12*s134*s34^2*z34) - (3*s14^2*s23*z3)/(s12^2*s34^2*z34) - 
   (s14^2*s23*z3)/(s12*s134*s34^2*z34) - (2*s23^2*z3)/(s12*s34^2*z34) - 
   (4*s13*s23^2*z3)/(s12^2*s34^2*z34) - (s13*s23^2*z3)/(s12*s134*s34^2*z34) - 
   (3*s14*s23^2*z3)/(s12^2*s34^2*z34) - (s14*s23^2*z3)/(s12*s134*s34^2*z34) - 
   (s12*s23*z3)/(s234*s34^2*z34) - (2*s13*s23*z3)/(s234*s34^2*z34) - 
   (s13^2*s23*z3)/(s12*s234*s34^2*z34) - (s14*s23*z3)/(s234*s34^2*z34) - 
   (s13*s14*s23*z3)/(s12*s234*s34^2*z34) - (s23^2*z3)/(s234*s34^2*z34) - 
   (s13*s23^2*z3)/(s12*s234*s34^2*z34) - (4*s24*z3)/(s34^2*z34) - 
   (9*s13*s24*z3)/(s12*s34^2*z34) - (3*s13^2*s24*z3)/(s12^2*s34^2*z34) - 
   (s13*s24*z3)/(s134*s34^2*z34) - (10*s14*s24*z3)/(s12*s34^2*z34) - 
   (5*s13*s14*s24*z3)/(s12^2*s34^2*z34) - (2*s14*s24*z3)/(s134*s34^2*z34) - 
   (2*s14^2*s24*z3)/(s12^2*s34^2*z34) - (6*s23*s24*z3)/(s12*s34^2*z34) - 
   (7*s13*s23*s24*z3)/(s12^2*s34^2*z34) - (s13*s23*s24*z3)/
    (s12*s134*s34^2*z34) - (5*s14*s23*s24*z3)/(s12^2*s34^2*z34) - 
   (s14*s23*s24*z3)/(s12*s134*s34^2*z34) - (2*s12*s24*z3)/(s234*s34^2*z34) - 
   (3*s13*s24*z3)/(s234*s34^2*z34) - (s13^2*s24*z3)/(s12*s234*s34^2*z34) - 
   (2*s14*s24*z3)/(s234*s34^2*z34) - (s13*s14*s24*z3)/(s12*s234*s34^2*z34) - 
   (3*s23*s24*z3)/(s234*s34^2*z34) - (2*s13*s23*s24*z3)/
    (s12*s234*s34^2*z34) - (4*s24^2*z3)/(s12*s34^2*z34) - 
   (3*s13*s24^2*z3)/(s12^2*s34^2*z34) - (2*s14*s24^2*z3)/(s12^2*s34^2*z34) - 
   (2*s24^2*z3)/(s234*s34^2*z34) - (s13*s24^2*z3)/(s12*s234*s34^2*z34) + 
   (2*z3)/(s34*z34) - (s13*z3)/(2*s123*s34*z34) - 
   (3*s13*z3)/(2*s124*s34*z34) - (s13^2*z3)/(2*s12*s123*s34*z34) - 
   (3*s13^2*z3)/(2*s12*s124*s34*z34) - (s13*z3)/(s134*s34*z34) + 
   (2*s12*s13*z3)/(s124*s134*s34*z34) + (2*s13^2*z3)/(s124*s134*s34*z34) - 
   (2*s14*z3)/(s12*s34*z34) - (s14*z3)/(2*s123*s34*z34) - 
   (5*s14*z3)/(2*s124*s34*z34) - (s13*s14*z3)/(s12*s123*s34*z34) - 
   (4*s13*s14*z3)/(s12*s124*s34*z34) - (2*s14*z3)/(s134*s34*z34) + 
   (2*s12*s14*z3)/(s124*s134*s34*z34) + (4*s13*s14*z3)/(s124*s134*s34*z34) - 
   (s14^2*z3)/(2*s12*s123*s34*z34) - (5*s14^2*z3)/(2*s12*s124*s34*z34) + 
   (2*s14^2*z3)/(s124*s134*s34*z34) - (s23*z3)/(2*s123*s34*z34) - 
   (3*s23*z3)/(2*s124*s34*z34) - (4*s13*s23*z3)/(s12^2*s34*z34) - 
   (3*s13*s23*z3)/(s12*s123*s34*z34) - (3*s13*s23*z3)/(s12*s124*s34*z34) - 
   (2*s13^2*s23*z3)/(s12^2*s123*s34*z34) - (s13*s23*z3)/(s12*s134*s34*z34) + 
   (2*s13*s23*z3)/(s124*s134*s34*z34) - (3*s14*s23*z3)/(s12^2*s34*z34) - 
   (2*s14*s23*z3)/(s12*s123*s34*z34) - (5*s14*s23*z3)/(s12*s124*s34*z34) - 
   (3*s13*s14*s23*z3)/(s12^2*s123*s34*z34) - (s13*s14*s23*z3)/
    (s12^2*s124*s34*z34) - (s14*s23*z3)/(s12*s134*s34*z34) + 
   (2*s14*s23*z3)/(s124*s134*s34*z34) - (s14^2*s23*z3)/(s12^2*s123*s34*z34) - 
   (s14^2*s23*z3)/(s12^2*s124*s34*z34) - (s23^2*z3)/(2*s12*s123*s34*z34) - 
   (3*s23^2*z3)/(2*s12*s124*s34*z34) - (2*s13*s23^2*z3)/
    (s12^2*s123*s34*z34) - (s14*s23^2*z3)/(s12^2*s123*s34*z34) - 
   (s14*s23^2*z3)/(s12^2*s124*s34*z34) - (s23*z3)/(s234*s34*z34) - 
   (4*s12*s23*z3)/(s124*s234*s34*z34) - (s13*s23*z3)/(s12*s234*s34*z34) - 
   (4*s13*s23*z3)/(s124*s234*s34*z34) - (4*s14*s23*z3)/(s124*s234*s34*z34) - 
   (4*s23^2*z3)/(s124*s234*s34*z34) - (2*s24*z3)/(s12*s34*z34) - 
   (s24*z3)/(2*s123*s34*z34) - (5*s24*z3)/(2*s124*s34*z34) - 
   (3*s13*s24*z3)/(s12^2*s34*z34) - (2*s13*s24*z3)/(s12*s123*s34*z34) - 
   (5*s13*s24*z3)/(s12*s124*s34*z34) - (s13^2*s24*z3)/(s12^2*s123*s34*z34) - 
   (s13^2*s24*z3)/(s12^2*s124*s34*z34) + (2*s13*s24*z3)/(s124*s134*s34*z34) - 
   (2*s14*s24*z3)/(s12^2*s34*z34) - (s14*s24*z3)/(s12*s123*s34*z34) - 
   (7*s14*s24*z3)/(s12*s124*s34*z34) - (s13*s14*s24*z3)/
    (s12^2*s123*s34*z34) - (3*s13*s14*s24*z3)/(s12^2*s124*s34*z34) + 
   (2*s14*s24*z3)/(s124*s134*s34*z34) - (2*s14^2*s24*z3)/
    (s12^2*s124*s34*z34) - (s23*s24*z3)/(s12*s123*s34*z34) - 
   (4*s23*s24*z3)/(s12*s124*s34*z34) - (3*s13*s23*s24*z3)/
    (s12^2*s123*s34*z34) - (s13*s23*s24*z3)/(s12^2*s124*s34*z34) - 
   (s14*s23*s24*z3)/(s12^2*s123*s34*z34) - (3*s14*s23*s24*z3)/
    (s12^2*s124*s34*z34) - (2*s24*z3)/(s234*s34*z34) - 
   (4*s12*s24*z3)/(s124*s234*s34*z34) - (s13*s24*z3)/(s12*s234*s34*z34) - 
   (4*s13*s24*z3)/(s124*s234*s34*z34) - (4*s14*s24*z3)/(s124*s234*s34*z34) - 
   (8*s23*s24*z3)/(s124*s234*s34*z34) - (s24^2*z3)/(2*s12*s123*s34*z34) - 
   (5*s24^2*z3)/(2*s12*s124*s34*z34) - (s13*s24^2*z3)/(s12^2*s123*s34*z34) - 
   (s13*s24^2*z3)/(s12^2*s124*s34*z34) - (2*s14*s24^2*z3)/
    (s12^2*s124*s34*z34) - (4*s24^2*z3)/(s124*s234*s34*z34) + 
   (s34*z3)/(s12*s123*z34) - (s34*z3)/(s12*s124*z34) + 
   (2*s34*z3)/(s124*s134*z34) - (4*s34*z3)/(s124*s234*z34) - 
   (z1*z3)/(s12*z12*z34) - (z1*z3)/(s123*z12*z34) + (z1*z3)/(s124*z12*z34) - 
   (s13*z1*z3)/(2*s12*s123*z12*z34) + (s13*z1*z3)/(2*s12*s124*z12*z34) - 
   (s14*z1*z3)/(2*s12*s123*z12*z34) + (s14*z1*z3)/(2*s12*s124*z12*z34) + 
   (5*s23*z1*z3)/(2*s12*s123*z12*z34) + (3*s23*z1*z3)/(2*s12*s124*z12*z34) + 
   (2*s13*s23*z1*z3)/(s12^2*s123*z12*z34) + (s14*s23*z1*z3)/
    (s12^2*s123*z12*z34) + (s14*s23*z1*z3)/(s12^2*s124*z12*z34) + 
   (2*s23^2*z1*z3)/(s12^2*s123*z12*z34) + (s24*z1*z3)/(2*s12*s123*z12*z34) + 
   (7*s24*z1*z3)/(2*s12*s124*z12*z34) + (s13*s24*z1*z3)/
    (s12^2*s123*z12*z34) + (s13*s24*z1*z3)/(s12^2*s124*z12*z34) + 
   (2*s14*s24*z1*z3)/(s12^2*s124*z12*z34) + (2*s23*s24*z1*z3)/
    (s12^2*s123*z12*z34) + (2*s23*s24*z1*z3)/(s12^2*s124*z12*z34) + 
   (2*s24^2*z1*z3)/(s12^2*s124*z12*z34) + (6*s23*z1*z3)/(s34^2*z12*z34) + 
   (10*s13*s23*z1*z3)/(s12*s34^2*z12*z34) + (4*s13^2*s23*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s12*s23*z1*z3)/(s134*s34^2*z12*z34) + 
   (3*s13*s23*z1*z3)/(2*s134*s34^2*z12*z34) + 
   (s13^2*s23*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (9*s14*s23*z1*z3)/(s12*s34^2*z12*z34) + (7*s13*s14*s23*z1*z3)/
    (s12^2*s34^2*z12*z34) + (3*s14*s23*z1*z3)/(2*s134*s34^2*z12*z34) + 
   (s13*s14*s23*z1*z3)/(s12*s134*s34^2*z12*z34) + 
   (3*s14^2*s23*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (s14^2*s23*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (10*s23^2*z1*z3)/(s12*s34^2*z12*z34) + (8*s13*s23^2*z1*z3)/
    (s12^2*s34^2*z12*z34) + (3*s23^2*z1*z3)/(2*s134*s34^2*z12*z34) + 
   (s13*s23^2*z1*z3)/(s12*s134*s34^2*z12*z34) + 
   (7*s14*s23^2*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (s14*s23^2*z1*z3)/(s12*s134*s34^2*z12*z34) + 
   (4*s23^3*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (s23^3*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s12*s23*z1*z3)/(s234*s34^2*z12*z34) + (3*s13*s23*z1*z3)/
    (2*s234*s34^2*z12*z34) + (s13^2*s23*z1*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (3*s14*s23*z1*z3)/(2*s234*s34^2*z12*z34) + (s13*s14*s23*z1*z3)/
    (s12*s234*s34^2*z12*z34) + (s14^2*s23*z1*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (3*s23^2*z1*z3)/(2*s234*s34^2*z12*z34) + (s13*s23^2*z1*z3)/
    (s12*s234*s34^2*z12*z34) + (s14*s23^2*z1*z3)/(s12*s234*s34^2*z12*z34) + 
   (s23^3*z1*z3)/(2*s12*s234*s34^2*z12*z34) + (4*s24*z1*z3)/(s34^2*z12*z34) + 
   (7*s13*s24*z1*z3)/(s12*s34^2*z12*z34) + (3*s13^2*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) + (6*s14*s24*z1*z3)/(s12*s34^2*z12*z34) + 
   (5*s13*s14*s24*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (2*s14^2*s24*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (16*s23*s24*z1*z3)/(s12*s34^2*z12*z34) + (13*s13*s23*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) + (3*s23*s24*z1*z3)/(2*s134*s34^2*z12*z34) + 
   (s13*s23*s24*z1*z3)/(s12*s134*s34^2*z12*z34) + 
   (11*s14*s23*s24*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (s14*s23*s24*z1*z3)/(s12*s134*s34^2*z12*z34) + 
   (10*s23^2*s24*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (s23^2*s24*z1*z3)/(s12*s134*s34^2*z12*z34) + 
   (3*s23*s24*z1*z3)/(2*s234*s34^2*z12*z34) + (s13*s23*s24*z1*z3)/
    (s12*s234*s34^2*z12*z34) + (s14*s23*s24*z1*z3)/(s12*s234*s34^2*z12*z34) + 
   (s23^2*s24*z1*z3)/(s12*s234*s34^2*z12*z34) + 
   (6*s24^2*z1*z3)/(s12*s34^2*z12*z34) + (5*s13*s24^2*z1*z3)/
    (s12^2*s34^2*z12*z34) + (4*s14*s24^2*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (8*s23*s24^2*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (s23*s24^2*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s23*s24^2*z1*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (2*s24^3*z1*z3)/(s12^2*s34^2*z12*z34) - (z1*z3)/(s34*z12*z34) - 
   (s12*z1*z3)/(s123*s34*z12*z34) + (s12*z1*z3)/(s124*s34*z12*z34) - 
   (s13*z1*z3)/(s12*s34*z12*z34) - (3*s13*z1*z3)/(2*s123*s34*z12*z34) + 
   (3*s13*z1*z3)/(2*s124*s34*z12*z34) - (s13^2*z1*z3)/
    (2*s12*s123*s34*z12*z34) + (s13^2*z1*z3)/(2*s12*s124*s34*z12*z34) - 
   (s14*z1*z3)/(s12*s34*z12*z34) - (3*s14*z1*z3)/(2*s123*s34*z12*z34) + 
   (3*s14*z1*z3)/(2*s124*s34*z12*z34) - (s13*s14*z1*z3)/
    (s12*s123*s34*z12*z34) + (s13*s14*z1*z3)/(s12*s124*s34*z12*z34) - 
   (s14^2*z1*z3)/(2*s12*s123*s34*z12*z34) + 
   (s14^2*z1*z3)/(2*s12*s124*s34*z12*z34) + (5*s23*z1*z3)/(s12*s34*z12*z34) + 
   (3*s23*z1*z3)/(2*s123*s34*z12*z34) + (5*s23*z1*z3)/(2*s124*s34*z12*z34) + 
   (4*s13*s23*z1*z3)/(s12^2*s34*z12*z34) + (4*s13*s23*z1*z3)/
    (s12*s123*s34*z12*z34) + (2*s13*s23*z1*z3)/(s12*s124*s34*z12*z34) + 
   (2*s13^2*s23*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (s23*z1*z3)/(s134*s34*z12*z34) + (s13*s23*z1*z3)/
    (2*s12*s134*s34*z12*z34) + (3*s14*s23*z1*z3)/(s12^2*s34*z12*z34) + 
   (3*s14*s23*z1*z3)/(s12*s123*s34*z12*z34) + 
   (3*s14*s23*z1*z3)/(s12*s124*s34*z12*z34) + (3*s13*s14*s23*z1*z3)/
    (s12^2*s123*s34*z12*z34) + (s13*s14*s23*z1*z3)/(s12^2*s124*s34*z12*z34) + 
   (s14*s23*z1*z3)/(2*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z1*z3)/(s12^2*s124*s34*z12*z34) + 
   (4*s23^2*z1*z3)/(s12^2*s34*z12*z34) + (9*s23^2*z1*z3)/
    (2*s12*s123*s34*z12*z34) + (3*s23^2*z1*z3)/(2*s12*s124*s34*z12*z34) + 
   (4*s13*s23^2*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (s23^2*z1*z3)/(2*s12*s134*s34*z12*z34) + (3*s14*s23^2*z1*z3)/
    (s12^2*s123*s34*z12*z34) + (s14*s23^2*z1*z3)/(s12^2*s124*s34*z12*z34) + 
   (2*s23^3*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (s23*z1*z3)/(s234*s34*z12*z34) + (s13*s23*z1*z3)/
    (2*s12*s234*s34*z12*z34) + (s14*s23*z1*z3)/(2*s12*s234*s34*z12*z34) + 
   (s23^2*z1*z3)/(2*s12*s234*s34*z12*z34) + (3*s24*z1*z3)/(s12*s34*z12*z34) - 
   (s24*z1*z3)/(2*s123*s34*z12*z34) + (9*s24*z1*z3)/(2*s124*s34*z12*z34) + 
   (3*s13*s24*z1*z3)/(s12^2*s34*z12*z34) + (s13*s24*z1*z3)/
    (s12*s123*s34*z12*z34) + (5*s13*s24*z1*z3)/(s12*s124*s34*z12*z34) + 
   (s13^2*s24*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z1*z3)/(s12^2*s124*s34*z12*z34) + 
   (2*s14*s24*z1*z3)/(s12^2*s34*z12*z34) + (6*s14*s24*z1*z3)/
    (s12*s124*s34*z12*z34) + (s13*s14*s24*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (3*s13*s14*s24*z1*z3)/(s12^2*s124*s34*z12*z34) + 
   (2*s14^2*s24*z1*z3)/(s12^2*s124*s34*z12*z34) + 
   (6*s23*s24*z1*z3)/(s12^2*s34*z12*z34) + (5*s23*s24*z1*z3)/
    (s12*s123*s34*z12*z34) + (7*s23*s24*z1*z3)/(s12*s124*s34*z12*z34) + 
   (5*s13*s23*s24*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (3*s13*s23*s24*z1*z3)/(s12^2*s124*s34*z12*z34) + 
   (s23*s24*z1*z3)/(2*s12*s134*s34*z12*z34) + (3*s14*s23*s24*z1*z3)/
    (s12^2*s123*s34*z12*z34) + (5*s14*s23*s24*z1*z3)/
    (s12^2*s124*s34*z12*z34) + (4*s23^2*s24*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (2*s23^2*s24*z1*z3)/(s12^2*s124*s34*z12*z34) + 
   (s23*s24*z1*z3)/(2*s12*s234*s34*z12*z34) + 
   (2*s24^2*z1*z3)/(s12^2*s34*z12*z34) + (s24^2*z1*z3)/
    (2*s12*s123*s34*z12*z34) + (11*s24^2*z1*z3)/(2*s12*s124*s34*z12*z34) + 
   (s13*s24^2*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (3*s13*s24^2*z1*z3)/(s12^2*s124*s34*z12*z34) + 
   (4*s14*s24^2*z1*z3)/(s12^2*s124*s34*z12*z34) + 
   (2*s23*s24^2*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (4*s23*s24^2*z1*z3)/(s12^2*s124*s34*z12*z34) + 
   (2*s24^3*z1*z3)/(s12^2*s124*s34*z12*z34) - (4*z1*z2*z3)/(s123*z12^2*z34) - 
   (4*z1*z2*z3)/(s124*z12^2*z34) - (6*s13*z1*z2*z3)/(s12*s123*z12^2*z34) - 
   (2*s13*z1*z2*z3)/(s12*s124*z12^2*z34) - (2*s13^2*z1*z2*z3)/
    (s12^2*s123*z12^2*z34) - (2*s14*z1*z2*z3)/(s12*s123*z12^2*z34) - 
   (6*s14*z1*z2*z3)/(s12*s124*z12^2*z34) - (2*s13*s14*z1*z2*z3)/
    (s12^2*s123*z12^2*z34) - (2*s13*s14*z1*z2*z3)/(s12^2*s124*z12^2*z34) - 
   (2*s14^2*z1*z2*z3)/(s12^2*s124*z12^2*z34) - 
   (6*s23*z1*z2*z3)/(s12*s123*z12^2*z34) - (2*s23*z1*z2*z3)/
    (s12*s124*z12^2*z34) - (4*s13*s23*z1*z2*z3)/(s12^2*s123*z12^2*z34) - 
   (2*s14*s23*z1*z2*z3)/(s12^2*s123*z12^2*z34) - 
   (2*s14*s23*z1*z2*z3)/(s12^2*s124*z12^2*z34) - 
   (2*s23^2*z1*z2*z3)/(s12^2*s123*z12^2*z34) - 
   (2*s24*z1*z2*z3)/(s12*s123*z12^2*z34) - (6*s24*z1*z2*z3)/
    (s12*s124*z12^2*z34) - (2*s13*s24*z1*z2*z3)/(s12^2*s123*z12^2*z34) - 
   (2*s13*s24*z1*z2*z3)/(s12^2*s124*z12^2*z34) - 
   (4*s14*s24*z1*z2*z3)/(s12^2*s124*z12^2*z34) - 
   (2*s23*s24*z1*z2*z3)/(s12^2*s123*z12^2*z34) - 
   (2*s23*s24*z1*z2*z3)/(s12^2*s124*z12^2*z34) - 
   (2*s24^2*z1*z2*z3)/(s12^2*s124*z12^2*z34) - 
   (8*s12*z1*z2*z3)/(s34^2*z12^2*z34) - (20*s13*z1*z2*z3)/(s34^2*z12^2*z34) - 
   (16*s13^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) - 
   (4*s13^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (16*s14*z1*z2*z3)/(s34^2*z12^2*z34) - (26*s13*s14*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) - (10*s13^2*s14*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (10*s14^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (8*s13*s14^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s14^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (20*s23*z1*z2*z3)/(s34^2*z12^2*z34) - (32*s13*s23*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) - (12*s13^2*s23*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (26*s14*s23*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (20*s13*s14*s23*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (8*s14^2*s23*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (16*s23^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) - 
   (12*s13*s23^2*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (10*s14*s23^2*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (4*s23^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (16*s24*z1*z2*z3)/(s34^2*z12^2*z34) - (26*s13*s24*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) - (10*s13^2*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (20*s14*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (16*s13*s14*s24*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (6*s14^2*s24*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (26*s23*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) - 
   (20*s13*s23*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (16*s14*s23*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (10*s23^2*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (10*s24^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (8*s13*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (6*s14*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (8*s23*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s24^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (8*z1*z2*z3)/(s34*z12^2*z34) - (4*s12*z1*z2*z3)/(s123*s34*z12^2*z34) - 
   (4*s12*z1*z2*z3)/(s124*s34*z12^2*z34) - (12*s13*z1*z2*z3)/
    (s12*s34*z12^2*z34) - (10*s13*z1*z2*z3)/(s123*s34*z12^2*z34) - 
   (6*s13*z1*z2*z3)/(s124*s34*z12^2*z34) - (4*s13^2*z1*z2*z3)/
    (s12^2*s34*z12^2*z34) - (8*s13^2*z1*z2*z3)/(s12*s123*s34*z12^2*z34) - 
   (2*s13^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (2*s13^3*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (8*s14*z1*z2*z3)/(s12*s34*z12^2*z34) - (6*s14*z1*z2*z3)/
    (s123*s34*z12^2*z34) - (10*s14*z1*z2*z3)/(s124*s34*z12^2*z34) - 
   (6*s13*s14*z1*z2*z3)/(s12^2*s34*z12^2*z34) - (10*s13*s14*z1*z2*z3)/
    (s12*s123*s34*z12^2*z34) - (10*s13*s14*z1*z2*z3)/
    (s12*s124*s34*z12^2*z34) - (4*s13^2*s14*z1*z2*z3)/
    (s12^2*s123*s34*z12^2*z34) - (2*s13^2*s14*z1*z2*z3)/
    (s12^2*s124*s34*z12^2*z34) - (2*s14^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (2*s14^2*z1*z2*z3)/(s12*s123*s34*z12^2*z34) - 
   (8*s14^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (2*s13*s14^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (4*s13*s14^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s14^3*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (12*s23*z1*z2*z3)/(s12*s34*z12^2*z34) - (10*s23*z1*z2*z3)/
    (s123*s34*z12^2*z34) - (6*s23*z1*z2*z3)/(s124*s34*z12^2*z34) - 
   (8*s13*s23*z1*z2*z3)/(s12^2*s34*z12^2*z34) - (16*s13*s23*z1*z2*z3)/
    (s12*s123*s34*z12^2*z34) - (4*s13*s23*z1*z2*z3)/
    (s12*s124*s34*z12^2*z34) - (6*s13^2*s23*z1*z2*z3)/
    (s12^2*s123*s34*z12^2*z34) - (6*s14*s23*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (10*s14*s23*z1*z2*z3)/(s12*s123*s34*z12^2*z34) - 
   (10*s14*s23*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (8*s13*s14*s23*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (4*s13*s14*s23*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s14^2*s23*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (4*s14^2*s23*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (4*s23^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) - (8*s23^2*z1*z2*z3)/
    (s12*s123*s34*z12^2*z34) - (2*s23^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (6*s13*s23^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (4*s14*s23^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s14*s23^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s23^3*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (8*s24*z1*z2*z3)/(s12*s34*z12^2*z34) - (6*s24*z1*z2*z3)/
    (s123*s34*z12^2*z34) - (10*s24*z1*z2*z3)/(s124*s34*z12^2*z34) - 
   (6*s13*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - (10*s13*s24*z1*z2*z3)/
    (s12*s123*s34*z12^2*z34) - (10*s13*s24*z1*z2*z3)/
    (s12*s124*s34*z12^2*z34) - (4*s13^2*s24*z1*z2*z3)/
    (s12^2*s123*s34*z12^2*z34) - (2*s13^2*s24*z1*z2*z3)/
    (s12^2*s124*s34*z12^2*z34) - (4*s14*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (4*s14*s24*z1*z2*z3)/(s12*s123*s34*z12^2*z34) - 
   (16*s14*s24*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (4*s13*s14*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (8*s13*s14*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (6*s14^2*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (6*s23*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - (10*s23*s24*z1*z2*z3)/
    (s12*s123*s34*z12^2*z34) - (10*s23*s24*z1*z2*z3)/
    (s12*s124*s34*z12^2*z34) - (8*s13*s23*s24*z1*z2*z3)/
    (s12^2*s123*s34*z12^2*z34) - (4*s13*s23*s24*z1*z2*z3)/
    (s12^2*s124*s34*z12^2*z34) - (4*s14*s23*s24*z1*z2*z3)/
    (s12^2*s123*s34*z12^2*z34) - (8*s14*s23*s24*z1*z2*z3)/
    (s12^2*s124*s34*z12^2*z34) - (4*s23^2*s24*z1*z2*z3)/
    (s12^2*s123*s34*z12^2*z34) - (2*s23^2*s24*z1*z2*z3)/
    (s12^2*s124*s34*z12^2*z34) - (2*s24^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (2*s24^2*z1*z2*z3)/(s12*s123*s34*z12^2*z34) - 
   (8*s24^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (2*s13*s24^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (4*s13*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (6*s14*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s23*s24^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (4*s23*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s24^3*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - (z2*z3)/(s12*z12*z34) - 
   (z2*z3)/(s123*z12*z34) + (z2*z3)/(s124*z12*z34) + 
   (5*s13*z2*z3)/(2*s12*s123*z12*z34) + (3*s13*z2*z3)/(2*s12*s124*z12*z34) + 
   (2*s13^2*z2*z3)/(s12^2*s123*z12*z34) + (s14*z2*z3)/(2*s12*s123*z12*z34) + 
   (7*s14*z2*z3)/(2*s12*s124*z12*z34) + (2*s13*s14*z2*z3)/
    (s12^2*s123*z12*z34) + (2*s13*s14*z2*z3)/(s12^2*s124*z12*z34) + 
   (2*s14^2*z2*z3)/(s12^2*s124*z12*z34) - (s23*z2*z3)/(2*s12*s123*z12*z34) + 
   (s23*z2*z3)/(2*s12*s124*z12*z34) + (2*s13*s23*z2*z3)/
    (s12^2*s123*z12*z34) + (s14*s23*z2*z3)/(s12^2*s123*z12*z34) + 
   (s14*s23*z2*z3)/(s12^2*s124*z12*z34) - (s24*z2*z3)/(2*s12*s123*z12*z34) + 
   (s24*z2*z3)/(2*s12*s124*z12*z34) + (s13*s24*z2*z3)/(s12^2*s123*z12*z34) + 
   (s13*s24*z2*z3)/(s12^2*s124*z12*z34) + (2*s14*s24*z2*z3)/
    (s12^2*s124*z12*z34) + (6*s13*z2*z3)/(s34^2*z12*z34) + 
   (10*s13^2*z2*z3)/(s12*s34^2*z12*z34) + (4*s13^3*z2*z3)/
    (s12^2*s34^2*z12*z34) + (s12*s13*z2*z3)/(s134*s34^2*z12*z34) + 
   (3*s13^2*z2*z3)/(2*s134*s34^2*z12*z34) + 
   (s13^3*z2*z3)/(2*s12*s134*s34^2*z12*z34) + (4*s14*z2*z3)/(s34^2*z12*z34) + 
   (16*s13*s14*z2*z3)/(s12*s34^2*z12*z34) + (10*s13^2*s14*z2*z3)/
    (s12^2*s34^2*z12*z34) + (3*s13*s14*z2*z3)/(2*s134*s34^2*z12*z34) + 
   (s13^2*s14*z2*z3)/(s12*s134*s34^2*z12*z34) + 
   (6*s14^2*z2*z3)/(s12*s34^2*z12*z34) + (8*s13*s14^2*z2*z3)/
    (s12^2*s34^2*z12*z34) + (s13*s14^2*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (2*s14^3*z2*z3)/(s12^2*s34^2*z12*z34) + (10*s13*s23*z2*z3)/
    (s12*s34^2*z12*z34) + (8*s13^2*s23*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (3*s13*s23*z2*z3)/(2*s134*s34^2*z12*z34) + 
   (s13^2*s23*z2*z3)/(s12*s134*s34^2*z12*z34) + 
   (7*s14*s23*z2*z3)/(s12*s34^2*z12*z34) + (13*s13*s14*s23*z2*z3)/
    (s12^2*s34^2*z12*z34) + (s13*s14*s23*z2*z3)/(s12*s134*s34^2*z12*z34) + 
   (5*s14^2*s23*z2*z3)/(s12^2*s34^2*z12*z34) + (4*s13*s23^2*z2*z3)/
    (s12^2*s34^2*z12*z34) + (s13*s23^2*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (3*s14*s23^2*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s12*s13*z2*z3)/(s234*s34^2*z12*z34) + (3*s13^2*z2*z3)/
    (2*s234*s34^2*z12*z34) + (s13^3*z2*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (3*s13*s14*z2*z3)/(2*s234*s34^2*z12*z34) + 
   (s13^2*s14*z2*z3)/(s12*s234*s34^2*z12*z34) + 
   (s13*s14^2*z2*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (3*s13*s23*z2*z3)/(2*s234*s34^2*z12*z34) + 
   (s13^2*s23*z2*z3)/(s12*s234*s34^2*z12*z34) + 
   (s13*s14*s23*z2*z3)/(s12*s234*s34^2*z12*z34) + 
   (s13*s23^2*z2*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (9*s13*s24*z2*z3)/(s12*s34^2*z12*z34) + (7*s13^2*s24*z2*z3)/
    (s12^2*s34^2*z12*z34) + (3*s13*s24*z2*z3)/(2*s134*s34^2*z12*z34) + 
   (s13^2*s24*z2*z3)/(s12*s134*s34^2*z12*z34) + 
   (6*s14*s24*z2*z3)/(s12*s34^2*z12*z34) + (11*s13*s14*s24*z2*z3)/
    (s12^2*s34^2*z12*z34) + (s13*s14*s24*z2*z3)/(s12*s134*s34^2*z12*z34) + 
   (4*s14^2*s24*z2*z3)/(s12^2*s34^2*z12*z34) + (7*s13*s23*s24*z2*z3)/
    (s12^2*s34^2*z12*z34) + (s13*s23*s24*z2*z3)/(s12*s134*s34^2*z12*z34) + 
   (5*s14*s23*s24*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (3*s13*s24*z2*z3)/(2*s234*s34^2*z12*z34) + 
   (s13^2*s24*z2*z3)/(s12*s234*s34^2*z12*z34) + 
   (s13*s14*s24*z2*z3)/(s12*s234*s34^2*z12*z34) + 
   (s13*s23*s24*z2*z3)/(s12*s234*s34^2*z12*z34) + 
   (3*s13*s24^2*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s13*s24^2*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (2*s14*s24^2*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s13*s24^2*z2*z3)/(2*s12*s234*s34^2*z12*z34) - (z2*z3)/(s34*z12*z34) - 
   (s12*z2*z3)/(s123*s34*z12*z34) + (s12*z2*z3)/(s124*s34*z12*z34) + 
   (5*s13*z2*z3)/(s12*s34*z12*z34) + (3*s13*z2*z3)/(2*s123*s34*z12*z34) + 
   (5*s13*z2*z3)/(2*s124*s34*z12*z34) + (4*s13^2*z2*z3)/(s12^2*s34*z12*z34) + 
   (9*s13^2*z2*z3)/(2*s12*s123*s34*z12*z34) + 
   (3*s13^2*z2*z3)/(2*s12*s124*s34*z12*z34) + 
   (2*s13^3*z2*z3)/(s12^2*s123*s34*z12*z34) + 
   (s13*z2*z3)/(s134*s34*z12*z34) + (s13^2*z2*z3)/(2*s12*s134*s34*z12*z34) + 
   (3*s14*z2*z3)/(s12*s34*z12*z34) - (s14*z2*z3)/(2*s123*s34*z12*z34) + 
   (9*s14*z2*z3)/(2*s124*s34*z12*z34) + (6*s13*s14*z2*z3)/
    (s12^2*s34*z12*z34) + (5*s13*s14*z2*z3)/(s12*s123*s34*z12*z34) + 
   (7*s13*s14*z2*z3)/(s12*s124*s34*z12*z34) + (4*s13^2*s14*z2*z3)/
    (s12^2*s123*s34*z12*z34) + (2*s13^2*s14*z2*z3)/(s12^2*s124*s34*z12*z34) + 
   (s13*s14*z2*z3)/(2*s12*s134*s34*z12*z34) + 
   (2*s14^2*z2*z3)/(s12^2*s34*z12*z34) + (s14^2*z2*z3)/
    (2*s12*s123*s34*z12*z34) + (11*s14^2*z2*z3)/(2*s12*s124*s34*z12*z34) + 
   (2*s13*s14^2*z2*z3)/(s12^2*s123*s34*z12*z34) + 
   (4*s13*s14^2*z2*z3)/(s12^2*s124*s34*z12*z34) + 
   (2*s14^3*z2*z3)/(s12^2*s124*s34*z12*z34) - (s23*z2*z3)/(s12*s34*z12*z34) - 
   (3*s23*z2*z3)/(2*s123*s34*z12*z34) + (3*s23*z2*z3)/(2*s124*s34*z12*z34) + 
   (4*s13*s23*z2*z3)/(s12^2*s34*z12*z34) + (4*s13*s23*z2*z3)/
    (s12*s123*s34*z12*z34) + (2*s13*s23*z2*z3)/(s12*s124*s34*z12*z34) + 
   (4*s13^2*s23*z2*z3)/(s12^2*s123*s34*z12*z34) + 
   (s13*s23*z2*z3)/(2*s12*s134*s34*z12*z34) + 
   (3*s14*s23*z2*z3)/(s12^2*s34*z12*z34) + (s14*s23*z2*z3)/
    (s12*s123*s34*z12*z34) + (5*s14*s23*z2*z3)/(s12*s124*s34*z12*z34) + 
   (5*s13*s14*s23*z2*z3)/(s12^2*s123*s34*z12*z34) + 
   (3*s13*s14*s23*z2*z3)/(s12^2*s124*s34*z12*z34) + 
   (s14^2*s23*z2*z3)/(s12^2*s123*s34*z12*z34) + 
   (3*s14^2*s23*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (s23^2*z2*z3)/(2*s12*s123*s34*z12*z34) + 
   (s23^2*z2*z3)/(2*s12*s124*s34*z12*z34) + (2*s13*s23^2*z2*z3)/
    (s12^2*s123*s34*z12*z34) + (s14*s23^2*z2*z3)/(s12^2*s123*s34*z12*z34) + 
   (s14*s23^2*z2*z3)/(s12^2*s124*s34*z12*z34) + 
   (s13*z2*z3)/(s234*s34*z12*z34) + (s13^2*z2*z3)/(2*s12*s234*s34*z12*z34) + 
   (s13*s14*z2*z3)/(2*s12*s234*s34*z12*z34) + 
   (s13*s23*z2*z3)/(2*s12*s234*s34*z12*z34) - (s24*z2*z3)/(s12*s34*z12*z34) - 
   (3*s24*z2*z3)/(2*s123*s34*z12*z34) + (3*s24*z2*z3)/(2*s124*s34*z12*z34) + 
   (3*s13*s24*z2*z3)/(s12^2*s34*z12*z34) + (3*s13*s24*z2*z3)/
    (s12*s123*s34*z12*z34) + (3*s13*s24*z2*z3)/(s12*s124*s34*z12*z34) + 
   (3*s13^2*s24*z2*z3)/(s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z2*z3)/(s12^2*s124*s34*z12*z34) + 
   (s13*s24*z2*z3)/(2*s12*s134*s34*z12*z34) + 
   (2*s14*s24*z2*z3)/(s12^2*s34*z12*z34) + (6*s14*s24*z2*z3)/
    (s12*s124*s34*z12*z34) + (3*s13*s14*s24*z2*z3)/(s12^2*s123*s34*z12*z34) + 
   (5*s13*s14*s24*z2*z3)/(s12^2*s124*s34*z12*z34) + 
   (4*s14^2*s24*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (s23*s24*z2*z3)/(s12*s123*s34*z12*z34) + (s23*s24*z2*z3)/
    (s12*s124*s34*z12*z34) + (3*s13*s23*s24*z2*z3)/(s12^2*s123*s34*z12*z34) + 
   (s13*s23*s24*z2*z3)/(s12^2*s124*s34*z12*z34) + 
   (s14*s23*s24*z2*z3)/(s12^2*s123*s34*z12*z34) + 
   (3*s14*s23*s24*z2*z3)/(s12^2*s124*s34*z12*z34) + 
   (s13*s24*z2*z3)/(2*s12*s234*s34*z12*z34) - 
   (s24^2*z2*z3)/(2*s12*s123*s34*z12*z34) + 
   (s24^2*z2*z3)/(2*s12*s124*s34*z12*z34) + (s13*s24^2*z2*z3)/
    (s12^2*s123*s34*z12*z34) + (s13*s24^2*z2*z3)/(s12^2*s124*s34*z12*z34) + 
   (2*s14*s24^2*z2*z3)/(s12^2*s124*s34*z12*z34) - (3*z3^2)/(s123*z12*z34) - 
   z3^2/(s124*z12*z34) - (2*s13*z3^2)/(s12*s123*z12*z34) - 
   (s14*z3^2)/(s12*s123*z12*z34) - (s14*z3^2)/(s12*s124*z12*z34) - 
   (2*s23*z3^2)/(s12*s123*z12*z34) - (s24*z3^2)/(s12*s123*z12*z34) - 
   (s24*z3^2)/(s12*s124*z12*z34) - (6*s12*z3^2)/(s34^2*z12*z34) - 
   (10*s13*z3^2)/(s34^2*z12*z34) - (4*s13^2*z3^2)/(s12*s34^2*z12*z34) - 
   (s12^2*z3^2)/(s134*s34^2*z12*z34) - (3*s12*s13*z3^2)/
    (2*s134*s34^2*z12*z34) - (s13^2*z3^2)/(2*s134*s34^2*z12*z34) - 
   (9*s14*z3^2)/(s34^2*z12*z34) - (7*s13*s14*z3^2)/(s12*s34^2*z12*z34) - 
   (3*s12*s14*z3^2)/(2*s134*s34^2*z12*z34) - 
   (s13*s14*z3^2)/(s134*s34^2*z12*z34) - (3*s14^2*z3^2)/(s12*s34^2*z12*z34) - 
   (s14^2*z3^2)/(2*s134*s34^2*z12*z34) - (10*s23*z3^2)/(s34^2*z12*z34) - 
   (8*s13*s23*z3^2)/(s12*s34^2*z12*z34) - (3*s12*s23*z3^2)/
    (2*s134*s34^2*z12*z34) - (s13*s23*z3^2)/(s134*s34^2*z12*z34) - 
   (7*s14*s23*z3^2)/(s12*s34^2*z12*z34) - (s14*s23*z3^2)/
    (s134*s34^2*z12*z34) - (4*s23^2*z3^2)/(s12*s34^2*z12*z34) - 
   (s23^2*z3^2)/(2*s134*s34^2*z12*z34) - (s12^2*z3^2)/(s234*s34^2*z12*z34) - 
   (3*s12*s13*z3^2)/(2*s234*s34^2*z12*z34) - 
   (s13^2*z3^2)/(2*s234*s34^2*z12*z34) - (3*s12*s14*z3^2)/
    (2*s234*s34^2*z12*z34) - (s13*s14*z3^2)/(s234*s34^2*z12*z34) - 
   (s14^2*z3^2)/(2*s234*s34^2*z12*z34) - (3*s12*s23*z3^2)/
    (2*s234*s34^2*z12*z34) - (s13*s23*z3^2)/(s234*s34^2*z12*z34) - 
   (s14*s23*z3^2)/(s234*s34^2*z12*z34) - 
   (s23^2*z3^2)/(2*s234*s34^2*z12*z34) - (9*s24*z3^2)/(s34^2*z12*z34) - 
   (7*s13*s24*z3^2)/(s12*s34^2*z12*z34) - (3*s12*s24*z3^2)/
    (2*s134*s34^2*z12*z34) - (s13*s24*z3^2)/(s134*s34^2*z12*z34) - 
   (6*s14*s24*z3^2)/(s12*s34^2*z12*z34) - (s14*s24*z3^2)/
    (s134*s34^2*z12*z34) - (7*s23*s24*z3^2)/(s12*s34^2*z12*z34) - 
   (s23*s24*z3^2)/(s134*s34^2*z12*z34) - (3*s12*s24*z3^2)/
    (2*s234*s34^2*z12*z34) - (s13*s24*z3^2)/(s234*s34^2*z12*z34) - 
   (s14*s24*z3^2)/(s234*s34^2*z12*z34) - (s23*s24*z3^2)/
    (s234*s34^2*z12*z34) - (3*s24^2*z3^2)/(s12*s34^2*z12*z34) - 
   (s24^2*z3^2)/(2*s134*s34^2*z12*z34) - 
   (s24^2*z3^2)/(2*s234*s34^2*z12*z34) - (6*z3^2)/(s34*z12*z34) - 
   (3*s12*z3^2)/(s123*s34*z12*z34) - (s12*z3^2)/(s124*s34*z12*z34) - 
   (4*s13*z3^2)/(s12*s34*z12*z34) - (5*s13*z3^2)/(s123*s34*z12*z34) - 
   (s13*z3^2)/(s124*s34*z12*z34) - (2*s13^2*z3^2)/(s12*s123*s34*z12*z34) - 
   (s12*z3^2)/(s134*s34*z12*z34) - (s13*z3^2)/(2*s134*s34*z12*z34) - 
   (3*s14*z3^2)/(s12*s34*z12*z34) - (4*s14*z3^2)/(s123*s34*z12*z34) - 
   (2*s14*z3^2)/(s124*s34*z12*z34) - (3*s13*s14*z3^2)/
    (s12*s123*s34*z12*z34) - (s13*s14*z3^2)/(s12*s124*s34*z12*z34) - 
   (s14*z3^2)/(2*s134*s34*z12*z34) - (s14^2*z3^2)/(s12*s123*s34*z12*z34) - 
   (s14^2*z3^2)/(s12*s124*s34*z12*z34) - (4*s23*z3^2)/(s12*s34*z12*z34) - 
   (5*s23*z3^2)/(s123*s34*z12*z34) - (s23*z3^2)/(s124*s34*z12*z34) - 
   (4*s13*s23*z3^2)/(s12*s123*s34*z12*z34) - 
   (s23*z3^2)/(2*s134*s34*z12*z34) - (3*s14*s23*z3^2)/
    (s12*s123*s34*z12*z34) - (s14*s23*z3^2)/(s12*s124*s34*z12*z34) - 
   (2*s23^2*z3^2)/(s12*s123*s34*z12*z34) - (s12*z3^2)/(s234*s34*z12*z34) - 
   (s13*z3^2)/(2*s234*s34*z12*z34) - (s14*z3^2)/(2*s234*s34*z12*z34) - 
   (s23*z3^2)/(2*s234*s34*z12*z34) - (3*s24*z3^2)/(s12*s34*z12*z34) - 
   (4*s24*z3^2)/(s123*s34*z12*z34) - (2*s24*z3^2)/(s124*s34*z12*z34) - 
   (3*s13*s24*z3^2)/(s12*s123*s34*z12*z34) - 
   (s13*s24*z3^2)/(s12*s124*s34*z12*z34) - (s24*z3^2)/(2*s134*s34*z12*z34) - 
   (2*s14*s24*z3^2)/(s12*s123*s34*z12*z34) - (2*s14*s24*z3^2)/
    (s12*s124*s34*z12*z34) - (3*s23*s24*z3^2)/(s12*s123*s34*z12*z34) - 
   (s23*s24*z3^2)/(s12*s124*s34*z12*z34) - (s24*z3^2)/(2*s234*s34*z12*z34) - 
   (s24^2*z3^2)/(s12*s123*s34*z12*z34) - 
   (s24^2*z3^2)/(s12*s124*s34*z12*z34) - (s13*z4)/(s12*s124*z12) - 
   (s23*z4)/(s12*s124*z12) - (s13*z4)/(s34^2*z12) - 
   (s13^2*z4)/(s12*s34^2*z12) - (s13*s14*z4)/(s12*s34^2*z12) - 
   (s23*z4)/(s34^2*z12) - (2*s13*s23*z4)/(s12*s34^2*z12) - 
   (s14*s23*z4)/(s12*s34^2*z12) - (s23^2*z4)/(s12*s34^2*z12) - 
   (s13*s24*z4)/(s12*s34^2*z12) - (s23*s24*z4)/(s12*s34^2*z12) - 
   (s13*z4)/(s12*s34*z12) - (s13*z4)/(s124*s34*z12) - 
   (s13^2*z4)/(s12*s124*s34*z12) - (s13*s14*z4)/(s12*s124*s34*z12) - 
   (s23*z4)/(s12*s34*z12) - (s23*z4)/(s124*s34*z12) - 
   (2*s13*s23*z4)/(s12*s124*s34*z12) - (s14*s23*z4)/(s12*s124*s34*z12) - 
   (s23^2*z4)/(s12*s124*s34*z12) - (s13*s24*z4)/(s12*s124*s34*z12) - 
   (s23*s24*z4)/(s12*s124*s34*z12) + (2*z3*z4)/(s12*z34^2) + 
   (2*z3*z4)/(s134*z34^2) + (2*z3*z4)/(s234*z34^2) + 
   (4*s13*z3*z4)/(s34^2*z34^2) + (4*s13^2*z3*z4)/(s12*s34^2*z34^2) + 
   (2*s12*s13*z3*z4)/(s134*s34^2*z34^2) + (2*s13^2*z3*z4)/
    (s134*s34^2*z34^2) + (4*s14*z3*z4)/(s34^2*z34^2) + 
   (8*s13*s14*z3*z4)/(s12*s34^2*z34^2) + (2*s12*s14*z3*z4)/
    (s134*s34^2*z34^2) + (4*s13*s14*z3*z4)/(s134*s34^2*z34^2) + 
   (4*s14^2*z3*z4)/(s12*s34^2*z34^2) + (2*s14^2*z3*z4)/(s134*s34^2*z34^2) + 
   (4*s23*z3*z4)/(s34^2*z34^2) + (10*s13*s23*z3*z4)/(s12*s34^2*z34^2) + 
   (2*s13^2*s23*z3*z4)/(s12^2*s34^2*z34^2) + (2*s13*s23*z3*z4)/
    (s134*s34^2*z34^2) + (10*s14*s23*z3*z4)/(s12*s34^2*z34^2) + 
   (4*s13*s14*s23*z3*z4)/(s12^2*s34^2*z34^2) + 
   (2*s14*s23*z3*z4)/(s134*s34^2*z34^2) + (2*s14^2*s23*z3*z4)/
    (s12^2*s34^2*z34^2) + (4*s23^2*z3*z4)/(s12*s34^2*z34^2) + 
   (2*s13*s23^2*z3*z4)/(s12^2*s34^2*z34^2) + (2*s14*s23^2*z3*z4)/
    (s12^2*s34^2*z34^2) + (2*s12*s23*z3*z4)/(s234*s34^2*z34^2) + 
   (2*s13*s23*z3*z4)/(s234*s34^2*z34^2) + (2*s14*s23*z3*z4)/
    (s234*s34^2*z34^2) + (2*s23^2*z3*z4)/(s234*s34^2*z34^2) + 
   (4*s24*z3*z4)/(s34^2*z34^2) + (10*s13*s24*z3*z4)/(s12*s34^2*z34^2) + 
   (2*s13^2*s24*z3*z4)/(s12^2*s34^2*z34^2) + (2*s13*s24*z3*z4)/
    (s134*s34^2*z34^2) + (10*s14*s24*z3*z4)/(s12*s34^2*z34^2) + 
   (4*s13*s14*s24*z3*z4)/(s12^2*s34^2*z34^2) + 
   (2*s14*s24*z3*z4)/(s134*s34^2*z34^2) + (2*s14^2*s24*z3*z4)/
    (s12^2*s34^2*z34^2) + (8*s23*s24*z3*z4)/(s12*s34^2*z34^2) + 
   (4*s13*s23*s24*z3*z4)/(s12^2*s34^2*z34^2) + (4*s14*s23*s24*z3*z4)/
    (s12^2*s34^2*z34^2) + (2*s12*s24*z3*z4)/(s234*s34^2*z34^2) + 
   (2*s13*s24*z3*z4)/(s234*s34^2*z34^2) + (2*s14*s24*z3*z4)/
    (s234*s34^2*z34^2) + (4*s23*s24*z3*z4)/(s234*s34^2*z34^2) + 
   (4*s24^2*z3*z4)/(s12*s34^2*z34^2) + (2*s13*s24^2*z3*z4)/
    (s12^2*s34^2*z34^2) + (2*s14*s24^2*z3*z4)/(s12^2*s34^2*z34^2) + 
   (2*s24^2*z3*z4)/(s234*s34^2*z34^2) + (2*z3*z4)/(s34*z34^2) + 
   (6*s13*z3*z4)/(s12*s34*z34^2) + (2*s12*z3*z4)/(s134*s34*z34^2) + 
   (4*s13*z3*z4)/(s134*s34*z34^2) + (6*s14*z3*z4)/(s12*s34*z34^2) + 
   (4*s14*z3*z4)/(s134*s34*z34^2) + (6*s23*z3*z4)/(s12*s34*z34^2) + 
   (2*s13*s23*z3*z4)/(s12^2*s34*z34^2) + (2*s23*z3*z4)/(s134*s34*z34^2) + 
   (2*s14*s23*z3*z4)/(s12^2*s34*z34^2) + (2*s12*z3*z4)/(s234*s34*z34^2) + 
   (2*s13*z3*z4)/(s234*s34*z34^2) + (2*s14*z3*z4)/(s234*s34*z34^2) + 
   (4*s23*z3*z4)/(s234*s34*z34^2) + (6*s24*z3*z4)/(s12*s34*z34^2) + 
   (2*s13*s24*z3*z4)/(s12^2*s34*z34^2) + (2*s24*z3*z4)/(s134*s34*z34^2) + 
   (2*s14*s24*z3*z4)/(s12^2*s34*z34^2) + (4*s24*z3*z4)/(s234*s34*z34^2) - 
   (4*s23*z1*z3*z4)/(s34^2*z12*z34^2) - (6*s13*s23*z1*z3*z4)/
    (s12*s34^2*z12*z34^2) - (2*s13^2*s23*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s14*s23*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13*s14*s23*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14^2*s23*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (6*s23^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (4*s13*s23^2*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s14*s23^2*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s23^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s24*z1*z3*z4)/(s34^2*z12*z34^2) - (6*s13*s24*z1*z3*z4)/
    (s12*s34^2*z12*z34^2) - (2*s13^2*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s14*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13*s14*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14^2*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (12*s23*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (8*s13*s23*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (8*s14*s23*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s23^2*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s24^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (4*s14*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (6*s23*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s24^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s23*z1*z3*z4)/(s12*s34*z12*z34^2) - (2*s13*s23*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) - (2*s14*s23*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s23^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (4*s24*z1*z3*z4)/(s12*s34*z12*z34^2) - (2*s13*s24*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) - (2*s14*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (4*s23*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s24^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + (8*s12*z1*z2*z3*z4)/
    (s34^2*z12^2*z34^2) + (16*s13*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) + 
   (10*s13^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (2*s13^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (16*s14*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) + (20*s13*s14*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) + (6*s13^2*s14*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (10*s14^2*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) + (6*s13*s14^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (2*s14^3*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (16*s23*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) + 
   (20*s13*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (20*s14*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (12*s13*s14*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s14^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (10*s23^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s14*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s23^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (16*s24*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) + (20*s13*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) + (6*s13^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (20*s14*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) + (12*s13*s14*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (6*s14^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (20*s23*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) + (12*s13*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (12*s14*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (6*s23^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (10*s24^2*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) + (6*s13*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (6*s14*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (6*s23*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (2*s24^3*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (8*z1*z2*z3*z4)/(s34*z12^2*z34^2) + 
   (8*s13*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + (2*s13^2*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (8*s14*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + 
   (4*s13*s14*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (2*s14^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (8*s23*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + (4*s13*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (4*s14*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (2*s23^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (8*s24*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + (4*s13*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (4*s14*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (4*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (2*s24^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (4*s13*z2*z3*z4)/(s34^2*z12*z34^2) - (6*s13^2*z2*z3*z4)/
    (s12*s34^2*z12*z34^2) - (2*s13^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s14*z2*z3*z4)/(s34^2*z12*z34^2) - (12*s13*s14*z2*z3*z4)/
    (s12*s34^2*z12*z34^2) - (6*s13^2*s14*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s14^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (6*s13*s14^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s13*s23*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13^2*s23*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (6*s14*s23*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (8*s13*s14*s23*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s14^2*s23*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s13*s23^2*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s14*s23^2*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s13*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13^2*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (6*s14*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (8*s13*s14*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s14^2*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s13*s23*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s14*s23*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s13*s24^2*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s14*s24^2*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s13*z2*z3*z4)/(s12*s34*z12*z34^2) - (2*s13^2*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) - (4*s14*z2*z3*z4)/(s12*s34*z12*z34^2) - 
   (4*s13*s14*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s14^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) - (2*s13*s23*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) - (2*s14*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s13*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s14*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (4*s12*z3^2*z4)/(s34^2*z12*z34^2) + (6*s13*z3^2*z4)/(s34^2*z12*z34^2) + 
   (2*s13^2*z3^2*z4)/(s12*s34^2*z12*z34^2) + 
   (6*s14*z3^2*z4)/(s34^2*z12*z34^2) + (4*s13*s14*z3^2*z4)/
    (s12*s34^2*z12*z34^2) + (2*s14^2*z3^2*z4)/(s12*s34^2*z12*z34^2) + 
   (6*s23*z3^2*z4)/(s34^2*z12*z34^2) + (4*s13*s23*z3^2*z4)/
    (s12*s34^2*z12*z34^2) + (4*s14*s23*z3^2*z4)/(s12*s34^2*z12*z34^2) + 
   (2*s23^2*z3^2*z4)/(s12*s34^2*z12*z34^2) + 
   (6*s24*z3^2*z4)/(s34^2*z12*z34^2) + (4*s13*s24*z3^2*z4)/
    (s12*s34^2*z12*z34^2) + (4*s14*s24*z3^2*z4)/(s12*s34^2*z12*z34^2) + 
   (4*s23*s24*z3^2*z4)/(s12*s34^2*z12*z34^2) + 
   (2*s24^2*z3^2*z4)/(s12*s34^2*z12*z34^2) + (4*z3^2*z4)/(s34*z12*z34^2) + 
   (2*s13*z3^2*z4)/(s12*s34*z12*z34^2) + (2*s14*z3^2*z4)/
    (s12*s34*z12*z34^2) + (2*s23*z3^2*z4)/(s12*s34*z12*z34^2) + 
   (2*s24*z3^2*z4)/(s12*s34*z12*z34^2) - (s13*z4)/(s12*s123*z34) - 
   (s23*z4)/(s12*s123*z34) - (2*s13*z4)/(s34^2*z34) - 
   (2*s13^2*z4)/(s12*s34^2*z34) - (s12*s13*z4)/(s134*s34^2*z34) - 
   (s13^2*z4)/(s134*s34^2*z34) - (2*s13*s14*z4)/(s12*s34^2*z34) - 
   (s13*s14*z4)/(s134*s34^2*z34) - (2*s23*z4)/(s34^2*z34) - 
   (2*s13*s23*z4)/(s12*s34^2*z34) + (2*s13^2*s23*z4)/(s12^2*s34^2*z34) + 
   (s13^2*s23*z4)/(s12*s134*s34^2*z34) - (s14*s23*z4)/(s12*s34^2*z34) + 
   (3*s13*s14*s23*z4)/(s12^2*s34^2*z34) + (s14*s23*z4)/(s134*s34^2*z34) + 
   (2*s13*s14*s23*z4)/(s12*s134*s34^2*z34) + 
   (s14^2*s23*z4)/(s12^2*s34^2*z34) + (s14^2*s23*z4)/(s12*s134*s34^2*z34) - 
   (2*s23^2*z4)/(s12*s34^2*z34) + (2*s13*s23^2*z4)/(s12^2*s34^2*z34) + 
   (s13*s23^2*z4)/(s12*s134*s34^2*z34) + (s14*s23^2*z4)/(s12^2*s34^2*z34) + 
   (s14*s23^2*z4)/(s12*s134*s34^2*z34) - (s12*s23*z4)/(s234*s34^2*z34) + 
   (s13^2*s23*z4)/(s12*s234*s34^2*z34) - (s14*s23*z4)/(s234*s34^2*z34) + 
   (s13*s14*s23*z4)/(s12*s234*s34^2*z34) - (s23^2*z4)/(s234*s34^2*z34) + 
   (s13*s23^2*z4)/(s12*s234*s34^2*z34) - (s13*s24*z4)/(s12*s34^2*z34) + 
   (s13^2*s24*z4)/(s12^2*s34^2*z34) - (s13*s24*z4)/(s134*s34^2*z34) + 
   (s13*s14*s24*z4)/(s12^2*s34^2*z34) - (2*s23*s24*z4)/(s12*s34^2*z34) + 
   (3*s13*s23*s24*z4)/(s12^2*s34^2*z34) + (s13*s23*s24*z4)/
    (s12*s134*s34^2*z34) + (s14*s23*s24*z4)/(s12^2*s34^2*z34) + 
   (s14*s23*s24*z4)/(s12*s134*s34^2*z34) + (s13*s24*z4)/(s234*s34^2*z34) + 
   (s13^2*s24*z4)/(s12*s234*s34^2*z34) + (s13*s14*s24*z4)/
    (s12*s234*s34^2*z34) - (s23*s24*z4)/(s234*s34^2*z34) + 
   (2*s13*s23*s24*z4)/(s12*s234*s34^2*z34) + 
   (s13*s24^2*z4)/(s12^2*s34^2*z34) + (s13*s24^2*z4)/(s12*s234*s34^2*z34) - 
   (2*s13*z4)/(s12*s34*z34) - (s13*z4)/(s123*s34*z34) - 
   (s13^2*z4)/(s12*s123*s34*z34) - (s13*z4)/(s134*s34*z34) - 
   (s13*s14*z4)/(s12*s123*s34*z34) - (2*s23*z4)/(s12*s34*z34) - 
   (s23*z4)/(s123*s34*z34) + (2*s13*s23*z4)/(s12^2*s34*z34) - 
   (2*s13*s23*z4)/(s12*s123*s34*z34) + (s13*s23*z4)/(s12*s134*s34*z34) + 
   (s14*s23*z4)/(s12^2*s34*z34) - (s14*s23*z4)/(s12*s123*s34*z34) + 
   (s14*s23*z4)/(s12*s134*s34*z34) - (s23^2*z4)/(s12*s123*s34*z34) - 
   (s23*z4)/(s234*s34*z34) + (s13*s23*z4)/(s12*s234*s34*z34) + 
   (s13*s24*z4)/(s12^2*s34*z34) - (s13*s24*z4)/(s12*s123*s34*z34) - 
   (s23*s24*z4)/(s12*s123*s34*z34) + (s13*s24*z4)/(s12*s234*s34*z34) - 
   (z1*z4)/(s12*z12*z34) - (2*s23*z1*z4)/(s34^2*z12*z34) - 
   (4*s13*s23*z1*z4)/(s12*s34^2*z12*z34) - (2*s13^2*s23*z1*z4)/
    (s12^2*s34^2*z12*z34) - (s12*s23*z1*z4)/(s134*s34^2*z12*z34) - 
   (3*s13*s23*z1*z4)/(2*s134*s34^2*z12*z34) - 
   (s13^2*s23*z1*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (3*s14*s23*z1*z4)/(s12*s34^2*z12*z34) - (3*s13*s14*s23*z1*z4)/
    (s12^2*s34^2*z12*z34) - (3*s14*s23*z1*z4)/(2*s134*s34^2*z12*z34) - 
   (s13*s14*s23*z1*z4)/(s12*s134*s34^2*z12*z34) - 
   (s14^2*s23*z1*z4)/(s12^2*s34^2*z12*z34) - (s14^2*s23*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) - (4*s23^2*z1*z4)/(s12*s34^2*z12*z34) - 
   (4*s13*s23^2*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (3*s23^2*z1*z4)/(2*s134*s34^2*z12*z34) - (s13*s23^2*z1*z4)/
    (s12*s134*s34^2*z12*z34) - (3*s14*s23^2*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s14*s23^2*z1*z4)/(s12*s134*s34^2*z12*z34) - 
   (2*s23^3*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s23^3*z1*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s12*s23*z1*z4)/(s234*s34^2*z12*z34) - (3*s13*s23*z1*z4)/
    (2*s234*s34^2*z12*z34) - (s13^2*s23*z1*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (3*s14*s23*z1*z4)/(2*s234*s34^2*z12*z34) - (s13*s14*s23*z1*z4)/
    (s12*s234*s34^2*z12*z34) - (s14^2*s23*z1*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (3*s23^2*z1*z4)/(2*s234*s34^2*z12*z34) - (s13*s23^2*z1*z4)/
    (s12*s234*s34^2*z12*z34) - (s14*s23^2*z1*z4)/(s12*s234*s34^2*z12*z34) - 
   (s23^3*z1*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s13*s24*z1*z4)/(s12*s34^2*z12*z34) - (s13^2*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) - (s13*s14*s24*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (4*s23*s24*z1*z4)/(s12*s34^2*z12*z34) - (5*s13*s23*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) - (3*s23*s24*z1*z4)/(2*s134*s34^2*z12*z34) - 
   (s13*s23*s24*z1*z4)/(s12*s134*s34^2*z12*z34) - 
   (3*s14*s23*s24*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s14*s23*s24*z1*z4)/(s12*s134*s34^2*z12*z34) - 
   (4*s23^2*s24*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s23^2*s24*z1*z4)/(s12*s134*s34^2*z12*z34) - 
   (3*s23*s24*z1*z4)/(2*s234*s34^2*z12*z34) - (s13*s23*s24*z1*z4)/
    (s12*s234*s34^2*z12*z34) - (s14*s23*s24*z1*z4)/(s12*s234*s34^2*z12*z34) - 
   (s23^2*s24*z1*z4)/(s12*s234*s34^2*z12*z34) - 
   (s13*s24^2*z1*z4)/(s12^2*s34^2*z12*z34) - (2*s23*s24^2*z1*z4)/
    (s12^2*s34^2*z12*z34) - (s23*s24^2*z1*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s23*s24^2*z1*z4)/(2*s12*s234*s34^2*z12*z34) - (z1*z4)/(s34*z12*z34) - 
   (s13*z1*z4)/(s12*s34*z12*z34) - (s14*z1*z4)/(s12*s34*z12*z34) - 
   (3*s23*z1*z4)/(s12*s34*z12*z34) - (2*s13*s23*z1*z4)/(s12^2*s34*z12*z34) - 
   (s23*z1*z4)/(s134*s34*z12*z34) - (s13*s23*z1*z4)/
    (2*s12*s134*s34*z12*z34) - (s14*s23*z1*z4)/(s12^2*s34*z12*z34) - 
   (s14*s23*z1*z4)/(2*s12*s134*s34*z12*z34) - 
   (2*s23^2*z1*z4)/(s12^2*s34*z12*z34) - (s23^2*z1*z4)/
    (2*s12*s134*s34*z12*z34) - (s23*z1*z4)/(s234*s34*z12*z34) - 
   (s13*s23*z1*z4)/(2*s12*s234*s34*z12*z34) - 
   (s14*s23*z1*z4)/(2*s12*s234*s34*z12*z34) - 
   (s23^2*z1*z4)/(2*s12*s234*s34*z12*z34) - (s24*z1*z4)/(s12*s34*z12*z34) - 
   (s13*s24*z1*z4)/(s12^2*s34*z12*z34) - (2*s23*s24*z1*z4)/
    (s12^2*s34*z12*z34) - (s23*s24*z1*z4)/(2*s12*s134*s34*z12*z34) - 
   (s23*s24*z1*z4)/(2*s12*s234*s34*z12*z34) + 
   (4*s13*z1*z2*z4)/(s34^2*z12^2*z34) + (6*s13^2*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (2*s13^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (6*s13*s14*z1*z2*z4)/(s12*s34^2*z12^2*z34) + (4*s13^2*s14*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (2*s13*s14^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (4*s23*z1*z2*z4)/(s34^2*z12^2*z34) + 
   (12*s13*s23*z1*z2*z4)/(s12*s34^2*z12^2*z34) + 
   (6*s13^2*s23*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (6*s14*s23*z1*z2*z4)/(s12*s34^2*z12^2*z34) + (8*s13*s14*s23*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (2*s14^2*s23*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (6*s23^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) + 
   (6*s13*s23^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (4*s14*s23^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (2*s23^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (6*s13*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) + (4*s13^2*s24*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (4*s13*s14*s24*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (6*s23*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) + 
   (8*s13*s23*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (4*s14*s23*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (4*s23^2*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (2*s13*s24^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (2*s23*s24^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (4*s13*z1*z2*z4)/(s12*s34*z12^2*z34) + (2*s13^2*z1*z2*z4)/
    (s12^2*s34*z12^2*z34) + (2*s13*s14*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (4*s23*z1*z2*z4)/(s12*s34*z12^2*z34) + (4*s13*s23*z1*z2*z4)/
    (s12^2*s34*z12^2*z34) + (2*s14*s23*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (2*s23^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) + (2*s13*s24*z1*z2*z4)/
    (s12^2*s34*z12^2*z34) + (2*s23*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (z2*z4)/(s12*z12*z34) - (2*s13*z2*z4)/(s34^2*z12*z34) - 
   (4*s13^2*z2*z4)/(s12*s34^2*z12*z34) - (2*s13^3*z2*z4)/
    (s12^2*s34^2*z12*z34) - (s12*s13*z2*z4)/(s134*s34^2*z12*z34) - 
   (3*s13^2*z2*z4)/(2*s134*s34^2*z12*z34) - 
   (s13^3*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (4*s13*s14*z2*z4)/(s12*s34^2*z12*z34) - (4*s13^2*s14*z2*z4)/
    (s12^2*s34^2*z12*z34) - (3*s13*s14*z2*z4)/(2*s134*s34^2*z12*z34) - 
   (s13^2*s14*z2*z4)/(s12*s134*s34^2*z12*z34) - 
   (2*s13*s14^2*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (s13*s14^2*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (4*s13*s23*z2*z4)/(s12*s34^2*z12*z34) - (4*s13^2*s23*z2*z4)/
    (s12^2*s34^2*z12*z34) - (3*s13*s23*z2*z4)/(2*s134*s34^2*z12*z34) - 
   (s13^2*s23*z2*z4)/(s12*s134*s34^2*z12*z34) - 
   (s14*s23*z2*z4)/(s12*s34^2*z12*z34) - (5*s13*s14*s23*z2*z4)/
    (s12^2*s34^2*z12*z34) - (s13*s14*s23*z2*z4)/(s12*s134*s34^2*z12*z34) - 
   (s14^2*s23*z2*z4)/(s12^2*s34^2*z12*z34) - (2*s13*s23^2*z2*z4)/
    (s12^2*s34^2*z12*z34) - (s13*s23^2*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s23^2*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (s12*s13*z2*z4)/(s234*s34^2*z12*z34) - (3*s13^2*z2*z4)/
    (2*s234*s34^2*z12*z34) - (s13^3*z2*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (3*s13*s14*z2*z4)/(2*s234*s34^2*z12*z34) - 
   (s13^2*s14*z2*z4)/(s12*s234*s34^2*z12*z34) - 
   (s13*s14^2*z2*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (3*s13*s23*z2*z4)/(2*s234*s34^2*z12*z34) - 
   (s13^2*s23*z2*z4)/(s12*s234*s34^2*z12*z34) - 
   (s13*s14*s23*z2*z4)/(s12*s234*s34^2*z12*z34) - 
   (s13*s23^2*z2*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (3*s13*s24*z2*z4)/(s12*s34^2*z12*z34) - (3*s13^2*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) - (3*s13*s24*z2*z4)/(2*s134*s34^2*z12*z34) - 
   (s13^2*s24*z2*z4)/(s12*s134*s34^2*z12*z34) - (3*s13*s14*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) - (s13*s14*s24*z2*z4)/(s12*s134*s34^2*z12*z34) - 
   (3*s13*s23*s24*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (s13*s23*s24*z2*z4)/(s12*s134*s34^2*z12*z34) - 
   (s14*s23*s24*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (3*s13*s24*z2*z4)/(2*s234*s34^2*z12*z34) - 
   (s13^2*s24*z2*z4)/(s12*s234*s34^2*z12*z34) - 
   (s13*s14*s24*z2*z4)/(s12*s234*s34^2*z12*z34) - 
   (s13*s23*s24*z2*z4)/(s12*s234*s34^2*z12*z34) - 
   (s13*s24^2*z2*z4)/(s12^2*s34^2*z12*z34) - (s13*s24^2*z2*z4)/
    (2*s12*s134*s34^2*z12*z34) - (s13*s24^2*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) - (z2*z4)/(s34*z12*z34) - 
   (3*s13*z2*z4)/(s12*s34*z12*z34) - (2*s13^2*z2*z4)/(s12^2*s34*z12*z34) - 
   (s13*z2*z4)/(s134*s34*z12*z34) - (s13^2*z2*z4)/(2*s12*s134*s34*z12*z34) - 
   (s14*z2*z4)/(s12*s34*z12*z34) - (2*s13*s14*z2*z4)/(s12^2*s34*z12*z34) - 
   (s13*s14*z2*z4)/(2*s12*s134*s34*z12*z34) - (s23*z2*z4)/(s12*s34*z12*z34) - 
   (2*s13*s23*z2*z4)/(s12^2*s34*z12*z34) - (s13*s23*z2*z4)/
    (2*s12*s134*s34*z12*z34) - (s14*s23*z2*z4)/(s12^2*s34*z12*z34) - 
   (s13*z2*z4)/(s234*s34*z12*z34) - (s13^2*z2*z4)/(2*s12*s234*s34*z12*z34) - 
   (s13*s14*z2*z4)/(2*s12*s234*s34*z12*z34) - 
   (s13*s23*z2*z4)/(2*s12*s234*s34*z12*z34) - (s24*z2*z4)/(s12*s34*z12*z34) - 
   (s13*s24*z2*z4)/(s12^2*s34*z12*z34) - (s13*s24*z2*z4)/
    (2*s12*s134*s34*z12*z34) - (s13*s24*z2*z4)/(2*s12*s234*s34*z12*z34) - 
   (z3*z4)/(s123*z12*z34) - (3*z3*z4)/(s124*z12*z34) - 
   (s13*z3*z4)/(s12*s123*z12*z34) - (s13*z3*z4)/(s12*s124*z12*z34) - 
   (2*s14*z3*z4)/(s12*s124*z12*z34) - (s23*z3*z4)/(s12*s123*z12*z34) - 
   (s23*z3*z4)/(s12*s124*z12*z34) - (2*s24*z3*z4)/(s12*s124*z12*z34) - 
   (2*s12*z3*z4)/(s34^2*z12*z34) - (3*s13*z3*z4)/(s34^2*z12*z34) - 
   (s13^2*z3*z4)/(s12*s34^2*z12*z34) + (s12^2*z3*z4)/(s134*s34^2*z12*z34) + 
   (3*s12*s13*z3*z4)/(2*s134*s34^2*z12*z34) + 
   (s13^2*z3*z4)/(2*s134*s34^2*z12*z34) - (3*s14*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s14*z3*z4)/(s12*s34^2*z12*z34) + (3*s12*s14*z3*z4)/
    (2*s134*s34^2*z12*z34) + (s13*s14*z3*z4)/(s134*s34^2*z12*z34) - 
   (s14^2*z3*z4)/(s12*s34^2*z12*z34) + (s14^2*z3*z4)/(2*s134*s34^2*z12*z34) - 
   (3*s23*z3*z4)/(s34^2*z12*z34) - (2*s13*s23*z3*z4)/(s12*s34^2*z12*z34) + 
   (3*s12*s23*z3*z4)/(2*s134*s34^2*z12*z34) + 
   (s13*s23*z3*z4)/(s134*s34^2*z12*z34) - (2*s14*s23*z3*z4)/
    (s12*s34^2*z12*z34) + (s14*s23*z3*z4)/(s134*s34^2*z12*z34) - 
   (s23^2*z3*z4)/(s12*s34^2*z12*z34) + (s23^2*z3*z4)/(2*s134*s34^2*z12*z34) + 
   (s12^2*z3*z4)/(s234*s34^2*z12*z34) + (3*s12*s13*z3*z4)/
    (2*s234*s34^2*z12*z34) + (s13^2*z3*z4)/(2*s234*s34^2*z12*z34) + 
   (3*s12*s14*z3*z4)/(2*s234*s34^2*z12*z34) + 
   (s13*s14*z3*z4)/(s234*s34^2*z12*z34) + 
   (s14^2*z3*z4)/(2*s234*s34^2*z12*z34) + (3*s12*s23*z3*z4)/
    (2*s234*s34^2*z12*z34) + (s13*s23*z3*z4)/(s234*s34^2*z12*z34) + 
   (s14*s23*z3*z4)/(s234*s34^2*z12*z34) + 
   (s23^2*z3*z4)/(2*s234*s34^2*z12*z34) - (3*s24*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s24*z3*z4)/(s12*s34^2*z12*z34) + (3*s12*s24*z3*z4)/
    (2*s134*s34^2*z12*z34) + (s13*s24*z3*z4)/(s134*s34^2*z12*z34) - 
   (2*s14*s24*z3*z4)/(s12*s34^2*z12*z34) + (s14*s24*z3*z4)/
    (s134*s34^2*z12*z34) - (2*s23*s24*z3*z4)/(s12*s34^2*z12*z34) + 
   (s23*s24*z3*z4)/(s134*s34^2*z12*z34) + (3*s12*s24*z3*z4)/
    (2*s234*s34^2*z12*z34) + (s13*s24*z3*z4)/(s234*s34^2*z12*z34) + 
   (s14*s24*z3*z4)/(s234*s34^2*z12*z34) + (s23*s24*z3*z4)/
    (s234*s34^2*z12*z34) - (s24^2*z3*z4)/(s12*s34^2*z12*z34) + 
   (s24^2*z3*z4)/(2*s134*s34^2*z12*z34) + 
   (s24^2*z3*z4)/(2*s234*s34^2*z12*z34) - (2*z3*z4)/(s34*z12*z34) - 
   (s12*z3*z4)/(s123*s34*z12*z34) - (3*s12*z3*z4)/(s124*s34*z12*z34) - 
   (s13*z3*z4)/(s12*s34*z12*z34) - (2*s13*z3*z4)/(s123*s34*z12*z34) - 
   (4*s13*z3*z4)/(s124*s34*z12*z34) - (s13^2*z3*z4)/(s12*s123*s34*z12*z34) - 
   (s13^2*z3*z4)/(s12*s124*s34*z12*z34) + (s12*z3*z4)/(s134*s34*z12*z34) + 
   (s13*z3*z4)/(2*s134*s34*z12*z34) - (s14*z3*z4)/(s12*s34*z12*z34) - 
   (s14*z3*z4)/(s123*s34*z12*z34) - (5*s14*z3*z4)/(s124*s34*z12*z34) - 
   (s13*s14*z3*z4)/(s12*s123*s34*z12*z34) - (3*s13*s14*z3*z4)/
    (s12*s124*s34*z12*z34) + (s14*z3*z4)/(2*s134*s34*z12*z34) - 
   (2*s14^2*z3*z4)/(s12*s124*s34*z12*z34) - (s23*z3*z4)/(s12*s34*z12*z34) - 
   (2*s23*z3*z4)/(s123*s34*z12*z34) - (4*s23*z3*z4)/(s124*s34*z12*z34) - 
   (2*s13*s23*z3*z4)/(s12*s123*s34*z12*z34) - 
   (2*s13*s23*z3*z4)/(s12*s124*s34*z12*z34) + 
   (s23*z3*z4)/(2*s134*s34*z12*z34) - (s14*s23*z3*z4)/
    (s12*s123*s34*z12*z34) - (3*s14*s23*z3*z4)/(s12*s124*s34*z12*z34) - 
   (s23^2*z3*z4)/(s12*s123*s34*z12*z34) - 
   (s23^2*z3*z4)/(s12*s124*s34*z12*z34) + (s12*z3*z4)/(s234*s34*z12*z34) + 
   (s13*z3*z4)/(2*s234*s34*z12*z34) + (s14*z3*z4)/(2*s234*s34*z12*z34) + 
   (s23*z3*z4)/(2*s234*s34*z12*z34) - (s24*z3*z4)/(s12*s34*z12*z34) - 
   (s24*z3*z4)/(s123*s34*z12*z34) - (5*s24*z3*z4)/(s124*s34*z12*z34) - 
   (s13*s24*z3*z4)/(s12*s123*s34*z12*z34) - (3*s13*s24*z3*z4)/
    (s12*s124*s34*z12*z34) + (s24*z3*z4)/(2*s134*s34*z12*z34) - 
   (4*s14*s24*z3*z4)/(s12*s124*s34*z12*z34) - 
   (s23*s24*z3*z4)/(s12*s123*s34*z12*z34) - (3*s23*s24*z3*z4)/
    (s12*s124*s34*z12*z34) + (s24*z3*z4)/(2*s234*s34*z12*z34) - 
   (2*s24^2*z3*z4)/(s12*s124*s34*z12*z34) + (4*s12*z3*z4^2)/
    (s34^2*z12*z34^2) + (6*s13*z3*z4^2)/(s34^2*z12*z34^2) + 
   (2*s13^2*z3*z4^2)/(s12*s34^2*z12*z34^2) + 
   (6*s14*z3*z4^2)/(s34^2*z12*z34^2) + (4*s13*s14*z3*z4^2)/
    (s12*s34^2*z12*z34^2) + (2*s14^2*z3*z4^2)/(s12*s34^2*z12*z34^2) + 
   (6*s23*z3*z4^2)/(s34^2*z12*z34^2) + (4*s13*s23*z3*z4^2)/
    (s12*s34^2*z12*z34^2) + (4*s14*s23*z3*z4^2)/(s12*s34^2*z12*z34^2) + 
   (2*s23^2*z3*z4^2)/(s12*s34^2*z12*z34^2) + 
   (6*s24*z3*z4^2)/(s34^2*z12*z34^2) + (4*s13*s24*z3*z4^2)/
    (s12*s34^2*z12*z34^2) + (4*s14*s24*z3*z4^2)/(s12*s34^2*z12*z34^2) + 
   (4*s23*s24*z3*z4^2)/(s12*s34^2*z12*z34^2) + 
   (2*s24^2*z3*z4^2)/(s12*s34^2*z12*z34^2) + (4*z3*z4^2)/(s34*z12*z34^2) + 
   (2*s13*z3*z4^2)/(s12*s34*z12*z34^2) + (2*s14*z3*z4^2)/
    (s12*s34*z12*z34^2) + (2*s23*z3*z4^2)/(s12*s34*z12*z34^2) + 
   (2*s24*z3*z4^2)/(s12*s34*z12*z34^2) + (s13*z4^2)/(s34^2*z12*z34) + 
   (s13^2*z4^2)/(s12*s34^2*z12*z34) + (s13*s14*z4^2)/(s12*s34^2*z12*z34) + 
   (s23*z4^2)/(s34^2*z12*z34) + (2*s13*s23*z4^2)/(s12*s34^2*z12*z34) + 
   (s14*s23*z4^2)/(s12*s34^2*z12*z34) + (s23^2*z4^2)/(s12*s34^2*z12*z34) + 
   (s13*s24*z4^2)/(s12*s34^2*z12*z34) + (s23*s24*z4^2)/(s12*s34^2*z12*z34) + 
   (s13*z4^2)/(s12*s34*z12*z34) + (s23*z4^2)/(s12*s34*z12*z34)) + 
 k2k2*(-2/s12 + D/(2*s12) - 2/s123 + D/(2*s123) - 2/s124 + D/(2*s124) + 
   (2*s13)/s12^2 - s13/(s12*s123) + (D*s13)/(2*s12*s123) - 
   (2*s13)/(s12*s124) + (D*s13)/(2*s12*s124) + s13^2/(s12^2*s123) + 
   (3*s13)/(s12*s134) - (D*s13)/(2*s12*s134) + (4*s13)/(s123*s134) - 
   (D*s13)/(s123*s134) - (2*s13)/(s124*s134) + (D*s13)/(2*s124*s134) + 
   (4*s13^2)/(s12*s123*s134) - (D*s13^2)/(s12*s123*s134) - 
   (2*s13^2)/(s12*s124*s134) + (D*s13^2)/(2*s12*s124*s134) + (2*s14)/s12^2 - 
   (2*s14)/(s12*s123) + (D*s14)/(2*s12*s123) - s14/(s12*s124) + 
   (D*s14)/(2*s12*s124) - (2*s13*s14)/(s12^2*s123) - 
   (2*s13*s14)/(s12^2*s124) - (4*s13*s14)/(s12*s123*s124) - 
   (4*s13^2*s14)/(s12^2*s123*s124) + (3*s14)/(s12*s134) - 
   (D*s14)/(2*s12*s134) + (4*s14)/(s123*s134) - (D*s14)/(s123*s134) - 
   (2*s14)/(s124*s134) + (D*s14)/(2*s124*s134) + 
   (4*s13*s14)/(s12*s123*s134) - (2*D*s13*s14)/(s12*s123*s134) - 
   (2*s13*s14)/(s12*s124*s134) + (D*s13*s14)/(s12*s124*s134) + 
   s14^2/(s12^2*s124) - (4*s13*s14^2)/(s12^2*s123*s124) + 
   (4*s14^2)/(s12*s123*s134) - (D*s14^2)/(s12*s123*s134) - 
   (2*s14^2)/(s12*s124*s134) + (D*s14^2)/(2*s12*s124*s134) - 
   (2*s23)/(s12*s123) + (D*s23)/(2*s12*s123) - (2*s23)/(s12*s124) + 
   (D*s23)/(2*s12*s124) + (s13*s23)/(s12^2*s123) + 
   (4*s13*s23)/(s12*s123*s134) - (D*s13*s23)/(s12*s123*s134) - 
   (2*s13*s23)/(s12*s124*s134) + (D*s13*s23)/(2*s12*s124*s134) - 
   (s14*s23)/(s12^2*s123) + (s14*s23)/(s12^2*s124) - 
   (4*s13*s14*s23)/(s12^2*s123*s124) + (4*s14*s23)/(s12*s123*s134) - 
   (D*s14*s23)/(s12*s123*s134) - (2*s14*s23)/(s12*s124*s134) + 
   (D*s14*s23)/(2*s12*s124*s134) + (D*s13)/(2*s12*s234) - 
   (D*s13)/(2*s123*s234) - (4*s13)/(s124*s234) + (D*s13)/(s124*s234) - 
   (D*s13^2)/(2*s12*s123*s234) - (4*s13^2)/(s12*s124*s234) + 
   (D*s13^2)/(s12*s124*s234) + (2*s13)/(s134*s234) + (D*s14)/(2*s12*s234) + 
   (2*s14)/(s123*s234) - (D*s14)/(2*s123*s234) + (D*s14)/(s124*s234) + 
   (2*s13*s14)/(s12*s123*s234) - (D*s13*s14)/(s12*s123*s234) - 
   (4*s13*s14)/(s12*s124*s234) + (2*D*s13*s14)/(s12*s124*s234) + 
   (2*s14)/(s134*s234) + (2*s14^2)/(s12*s123*s234) - 
   (D*s14^2)/(2*s12*s123*s234) + (D*s14^2)/(s12*s124*s234) - 
   (D*s13*s23)/(2*s12*s123*s234) - (4*s13*s23)/(s12*s124*s234) + 
   (D*s13*s23)/(s12*s124*s234) + (4*s14*s23)/(s12*s123*s234) - 
   (D*s14*s23)/(2*s12*s123*s234) + (D*s14*s23)/(s12*s124*s234) - 
   (2*s24)/(s12*s123) + (D*s24)/(2*s12*s123) - (2*s24)/(s12*s124) + 
   (D*s24)/(2*s12*s124) + (s13*s24)/(s12^2*s123) - (s13*s24)/(s12^2*s124) + 
   (4*s13*s24)/(s12*s123*s134) - (D*s13*s24)/(s12*s123*s134) - 
   (2*s13*s24)/(s12*s124*s134) + (D*s13*s24)/(2*s12*s124*s134) + 
   (s14*s24)/(s12^2*s124) - (4*s13*s14*s24)/(s12^2*s123*s124) + 
   (4*s14*s24)/(s12*s123*s134) - (D*s14*s24)/(s12*s123*s134) - 
   (2*s14*s24)/(s12*s124*s134) + (D*s14*s24)/(2*s12*s124*s134) - 
   (D*s13*s24)/(2*s12*s123*s234) - (8*s13*s24)/(s12*s124*s234) + 
   (D*s13*s24)/(s12*s124*s234) + (2*s14*s24)/(s12*s123*s234) - 
   (D*s14*s24)/(2*s12*s123*s234) + (D*s14*s24)/(s12*s124*s234) - 
   (4*s13*s14)/(s12*s34^2) - (4*s13^2*s14)/(s12^2*s34^2) - 
   (2*s13*s14)/(s134*s34^2) - (2*s13^2*s14)/(s12*s134*s34^2) - 
   (4*s13*s14^2)/(s12^2*s34^2) - (2*s13*s14^2)/(s12*s134*s34^2) - 
   (s14*s23)/(s12*s34^2) - (5*s13*s14*s23)/(s12^2*s34^2) - 
   (2*s13*s14*s23)/(s12*s134*s34^2) - (s14^2*s23)/(s12^2*s34^2) - 
   (s14*s23^2)/(s12^2*s34^2) - (s14*s23)/(s234*s34^2) - 
   (s13*s14*s23)/(s12*s234*s34^2) - (s14^2*s23)/(s12*s234*s34^2) - 
   (s14*s23^2)/(s12*s234*s34^2) - (s13*s24)/(s12*s34^2) - 
   (s13^2*s24)/(s12^2*s34^2) - (5*s13*s14*s24)/(s12^2*s34^2) - 
   (2*s13*s14*s24)/(s12*s134*s34^2) - (s13*s23*s24)/(s12^2*s34^2) - 
   (s14*s23*s24)/(s12^2*s34^2) - (s13*s24)/(s234*s34^2) - 
   (s13^2*s24)/(s12*s234*s34^2) - (s13*s14*s24)/(s12*s234*s34^2) - 
   (s13*s23*s24)/(s12*s234*s34^2) - (s14*s23*s24)/(s12*s234*s34^2) - 
   (s13*s24^2)/(s12^2*s34^2) - (s13*s24^2)/(s12*s234*s34^2) - 2/s34 + 
   D/(2*s34) + (D*s13)/(2*s12*s34) + (2*s13^2)/(s12^2*s34) + 
   (3*s13)/(s134*s34) - (D*s13)/(2*s134*s34) + (3*s13^2)/(s12*s134*s34) - 
   (D*s13^2)/(2*s12*s134*s34) + (D*s14)/(2*s12*s34) - 
   (3*s13*s14)/(s12*s123*s34) - (3*s13*s14)/(s12*s124*s34) - 
   (3*s13^2*s14)/(s12^2*s123*s34) - (3*s13^2*s14)/(s12^2*s124*s34) + 
   (3*s14)/(s134*s34) - (D*s14)/(2*s134*s34) + (4*s13*s14)/(s12*s134*s34) - 
   (D*s13*s14)/(s12*s134*s34) - (4*s13*s14)/(s123*s134*s34) + 
   (2*s13*s14)/(s124*s134*s34) - (4*s13^2*s14)/(s12*s123*s134*s34) + 
   (2*s13^2*s14)/(s12*s124*s134*s34) + (2*s14^2)/(s12^2*s34) - 
   (3*s13*s14^2)/(s12^2*s123*s34) - (3*s13*s14^2)/(s12^2*s124*s34) + 
   (3*s14^2)/(s12*s134*s34) - (D*s14^2)/(2*s12*s134*s34) - 
   (4*s13*s14^2)/(s12*s123*s134*s34) + (2*s13*s14^2)/(s12*s124*s134*s34) - 
   (2*s23)/(s12*s34) + (D*s23)/(2*s12*s34) + (2*s13*s23)/(s12^2*s34) + 
   (3*s13*s23)/(s12*s134*s34) - (D*s13*s23)/(2*s12*s134*s34) + 
   (s14*s23)/(s12^2*s34) - (s14*s23)/(s12*s123*s34) - 
   (4*s13*s14*s23)/(s12^2*s123*s34) - (3*s13*s14*s23)/(s12^2*s124*s34) + 
   (3*s14*s23)/(s12*s134*s34) - (D*s14*s23)/(2*s12*s134*s34) - 
   (4*s13*s14*s23)/(s12*s123*s134*s34) + (2*s13*s14*s23)/
    (s12*s124*s134*s34) - (s14^2*s23)/(s12^2*s123*s34) - 
   (s14*s23^2)/(s12^2*s123*s34) + (D*s13)/(2*s234*s34) + 
   (D*s13^2)/(2*s12*s234*s34) + (2*s12*s13)/(s134*s234*s34) + 
   (2*s13^2)/(s134*s234*s34) + (D*s14)/(2*s234*s34) + 
   (D*s13*s14)/(s12*s234*s34) + (2*s12*s14)/(s134*s234*s34) + 
   (4*s13*s14)/(s134*s234*s34) + (D*s14^2)/(2*s12*s234*s34) + 
   (2*s14^2)/(s134*s234*s34) + (D*s13*s23)/(2*s12*s234*s34) + 
   (2*s13*s23)/(s134*s234*s34) - (s14*s23)/(s12*s234*s34) + 
   (D*s14*s23)/(2*s12*s234*s34) + (2*s14*s23)/(s123*s234*s34) + 
   (2*s13*s14*s23)/(s12*s123*s234*s34) + (2*s14*s23)/(s134*s234*s34) + 
   (2*s14^2*s23)/(s12*s123*s234*s34) + (2*s14*s23^2)/(s12*s123*s234*s34) - 
   (2*s24)/(s12*s34) + (D*s24)/(2*s12*s34) + (s13*s24)/(s12^2*s34) - 
   (s13*s24)/(s12*s124*s34) - (s13^2*s24)/(s12^2*s124*s34) + 
   (3*s13*s24)/(s12*s134*s34) - (D*s13*s24)/(2*s12*s134*s34) + 
   (2*s14*s24)/(s12^2*s34) - (3*s13*s14*s24)/(s12^2*s123*s34) - 
   (4*s13*s14*s24)/(s12^2*s124*s34) + (3*s14*s24)/(s12*s134*s34) - 
   (D*s14*s24)/(2*s12*s134*s34) - (4*s13*s14*s24)/(s12*s123*s134*s34) + 
   (2*s13*s14*s24)/(s12*s124*s134*s34) - (s13*s23*s24)/(s12^2*s124*s34) - 
   (s14*s23*s24)/(s12^2*s123*s34) - (s13*s24)/(s12*s234*s34) + 
   (D*s13*s24)/(2*s12*s234*s34) - (4*s13*s24)/(s124*s234*s34) - 
   (4*s13^2*s24)/(s12*s124*s234*s34) + (2*s13*s24)/(s134*s234*s34) + 
   (D*s14*s24)/(2*s12*s234*s34) - (4*s13*s14*s24)/(s12*s124*s234*s34) + 
   (2*s14*s24)/(s134*s234*s34) - (4*s13*s23*s24)/(s12*s124*s234*s34) + 
   (2*s14*s23*s24)/(s12*s123*s234*s34) - (s13*s24^2)/(s12^2*s124*s34) - 
   (4*s13*s24^2)/(s12*s124*s234*s34) - (2*s34)/(s12*s123) + 
   (D*s34)/(2*s12*s123) - (2*s34)/(s12*s124) + (D*s34)/(2*s12*s124) - 
   (4*s34)/(s123*s124) + (D*s34)/(s123*s124) + (s13*s34)/(s12^2*s123) - 
   (4*s13*s34)/(s12*s123*s124) + (D*s13*s34)/(s12*s123*s124) + 
   (4*s13*s34)/(s12*s123*s134) - (D*s13*s34)/(s12*s123*s134) - 
   (2*s13*s34)/(s12*s124*s134) + (D*s13*s34)/(2*s12*s124*s134) + 
   (s14*s34)/(s12^2*s124) - (4*s14*s34)/(s12*s123*s124) + 
   (D*s14*s34)/(s12*s123*s124) - (4*s13*s14*s34)/(s12^2*s123*s124) + 
   (4*s14*s34)/(s12*s123*s134) - (D*s14*s34)/(s12*s123*s134) - 
   (2*s14*s34)/(s12*s124*s134) + (D*s14*s34)/(2*s12*s124*s134) - 
   (4*s23*s34)/(s12*s123*s124) + (D*s23*s34)/(s12*s123*s124) - 
   (D*s13*s34)/(2*s12*s123*s234) - (4*s13*s34)/(s12*s124*s234) + 
   (D*s13*s34)/(s12*s124*s234) + (2*s14*s34)/(s12*s123*s234) - 
   (D*s14*s34)/(2*s12*s123*s234) + (D*s14*s34)/(s12*s124*s234) - 
   (4*s24*s34)/(s12*s123*s124) + (D*s24*s34)/(s12*s123*s124) - 
   (4*s34^2)/(s12*s123*s124) + (D*s34^2)/(s12*s123*s124) + (2*z1)/(s12*z12) - 
   (2*s13*z1)/(s12^2*z12) - (s13*z1)/(s12*s123*z12) - 
   (s13^2*z1)/(s12^2*s123*z12) + z1/(s134*z12) - (s13*z1)/(2*s12*s134*z12) - 
   (2*s14*z1)/(s12^2*z12) - (s14*z1)/(s12*s124*z12) - 
   (2*s13*s14*z1)/(s12^2*s123*z12) - (2*s13*s14*z1)/(s12^2*s124*z12) - 
   (s14*z1)/(2*s12*s134*z12) - (s14^2*z1)/(s12^2*s124*z12) - 
   (4*s23*z1)/(s12^2*z12) - (2*s23*z1)/(s12*s123*z12) - 
   (3*s13*s23*z1)/(s12^2*s123*z12) - (s23*z1)/(2*s12*s134*z12) - 
   (3*s14*s23*z1)/(s12^2*s123*z12) - (s14*s23*z1)/(s12^2*s124*z12) - 
   (2*s23^2*z1)/(s12^2*s123*z12) - z1/(s234*z12) + 
   (2*s12*z1)/(s123*s234*z12) - (4*s12*z1)/(s124*s234*z12) - 
   (3*s13*z1)/(2*s12*s234*z12) + (4*s13*z1)/(s123*s234*z12) - 
   (4*s13*z1)/(s124*s234*z12) + (2*s13^2*z1)/(s12*s123*s234*z12) - 
   (3*s14*z1)/(2*s12*s234*z12) + (2*s14*z1)/(s123*s234*z12) - 
   (8*s14*z1)/(s124*s234*z12) + (2*s13*s14*z1)/(s12*s123*s234*z12) - 
   (4*s13*s14*z1)/(s12*s124*s234*z12) - (4*s14^2*z1)/(s12*s124*s234*z12) - 
   (5*s23*z1)/(2*s12*s234*z12) + (4*s23*z1)/(s123*s234*z12) - 
   (4*s23*z1)/(s124*s234*z12) + (4*s13*s23*z1)/(s12*s123*s234*z12) + 
   (2*s14*s23*z1)/(s12*s123*s234*z12) - (4*s14*s23*z1)/(s12*s124*s234*z12) + 
   (2*s23^2*z1)/(s12*s123*s234*z12) - (4*s24*z1)/(s12^2*z12) - 
   (2*s24*z1)/(s12*s124*z12) - (s13*s24*z1)/(s12^2*s123*z12) - 
   (3*s13*s24*z1)/(s12^2*s124*z12) - (s24*z1)/(2*s12*s134*z12) - 
   (3*s14*s24*z1)/(s12^2*s124*z12) - (2*s23*s24*z1)/(s12^2*s123*z12) - 
   (2*s23*s24*z1)/(s12^2*s124*z12) - (5*s24*z1)/(2*s12*s234*z12) + 
   (2*s24*z1)/(s123*s234*z12) - (8*s24*z1)/(s124*s234*z12) + 
   (2*s13*s24*z1)/(s12*s123*s234*z12) - (4*s13*s24*z1)/(s12*s124*s234*z12) - 
   (8*s14*s24*z1)/(s12*s124*s234*z12) + (2*s23*s24*z1)/(s12*s123*s234*z12) - 
   (4*s23*s24*z1)/(s12*s124*s234*z12) - (2*s24^2*z1)/(s12^2*s124*z12) - 
   (4*s24^2*z1)/(s12*s124*s234*z12) - (4*s13*s14*z1)/(s12*s34^2*z12) - 
   (4*s13^2*s14*z1)/(s12^2*s34^2*z12) - (2*s13*s14*z1)/(s134*s34^2*z12) - 
   (2*s13^2*s14*z1)/(s12*s134*s34^2*z12) - (4*s13*s14^2*z1)/
    (s12^2*s34^2*z12) - (2*s13*s14^2*z1)/(s12*s134*s34^2*z12) - 
   (3*s14*s23*z1)/(s12*s34^2*z12) - (7*s13*s14*s23*z1)/(s12^2*s34^2*z12) - 
   (s14*s23*z1)/(s134*s34^2*z12) - (3*s13*s14*s23*z1)/(s12*s134*s34^2*z12) - 
   (3*s14^2*s23*z1)/(s12^2*s34^2*z12) - (s14^2*s23*z1)/(s12*s134*s34^2*z12) - 
   (3*s14*s23^2*z1)/(s12^2*s34^2*z12) - (s14*s23^2*z1)/(s12*s134*s34^2*z12) - 
   (s14*s23*z1)/(s234*s34^2*z12) - (s13*s14*s23*z1)/(s12*s234*s34^2*z12) - 
   (s14^2*s23*z1)/(s12*s234*s34^2*z12) - (s14*s23^2*z1)/
    (s12*s234*s34^2*z12) - (3*s13*s24*z1)/(s12*s34^2*z12) - 
   (3*s13^2*s24*z1)/(s12^2*s34^2*z12) - (s13*s24*z1)/(s134*s34^2*z12) - 
   (s13^2*s24*z1)/(s12*s134*s34^2*z12) - (7*s13*s14*s24*z1)/
    (s12^2*s34^2*z12) - (3*s13*s14*s24*z1)/(s12*s134*s34^2*z12) - 
   (2*s23*s24*z1)/(s12*s34^2*z12) - (5*s13*s23*s24*z1)/(s12^2*s34^2*z12) - 
   (s13*s23*s24*z1)/(s12*s134*s34^2*z12) - (5*s14*s23*s24*z1)/
    (s12^2*s34^2*z12) - (s14*s23*s24*z1)/(s12*s134*s34^2*z12) - 
   (2*s23^2*s24*z1)/(s12^2*s34^2*z12) - (s13*s24*z1)/(s234*s34^2*z12) - 
   (s13^2*s24*z1)/(s12*s234*s34^2*z12) - (s13*s14*s24*z1)/
    (s12*s234*s34^2*z12) - (2*s23*s24*z1)/(s234*s34^2*z12) - 
   (3*s13*s23*s24*z1)/(s12*s234*s34^2*z12) - (3*s14*s23*s24*z1)/
    (s12*s234*s34^2*z12) - (2*s23^2*s24*z1)/(s12*s234*s34^2*z12) - 
   (3*s13*s24^2*z1)/(s12^2*s34^2*z12) - (s13*s24^2*z1)/(s12*s134*s34^2*z12) - 
   (2*s23*s24^2*z1)/(s12^2*s34^2*z12) - (s13*s24^2*z1)/(s12*s234*s34^2*z12) - 
   (2*s23*s24^2*z1)/(s12*s234*s34^2*z12) + (2*z1)/(s34*z12) - 
   (2*s13^2*z1)/(s12^2*s34*z12) + (s12*z1)/(s134*s34*z12) + 
   (s13*z1)/(2*s134*s34*z12) - (s13^2*z1)/(2*s12*s134*s34*z12) - 
   (8*s13*s14*z1)/(s12^2*s34*z12) - (s13*s14*z1)/(s12*s123*s34*z12) - 
   (s13*s14*z1)/(s12*s124*s34*z12) - (s13^2*s14*z1)/(s12^2*s123*s34*z12) - 
   (s13^2*s14*z1)/(s12^2*s124*s34*z12) + (s14*z1)/(2*s134*s34*z12) - 
   (3*s13*s14*z1)/(s12*s134*s34*z12) - (2*s14^2*z1)/(s12^2*s34*z12) - 
   (s13*s14^2*z1)/(s12^2*s123*s34*z12) - (s13*s14^2*z1)/
    (s12^2*s124*s34*z12) - (s14^2*z1)/(2*s12*s134*s34*z12) - 
   (2*s23*z1)/(s12*s34*z12) - (6*s13*s23*z1)/(s12^2*s34*z12) + 
   (s23*z1)/(2*s134*s34*z12) - (s13*s23*z1)/(s12*s134*s34*z12) - 
   (9*s14*s23*z1)/(s12^2*s34*z12) - (s14*s23*z1)/(s12*s123*s34*z12) - 
   (2*s13*s14*s23*z1)/(s12^2*s123*s34*z12) - (s13*s14*s23*z1)/
    (s12^2*s124*s34*z12) - (2*s14*s23*z1)/(s12*s134*s34*z12) - 
   (s14^2*s23*z1)/(s12^2*s123*s34*z12) - (4*s23^2*z1)/(s12^2*s34*z12) - 
   (s23^2*z1)/(2*s12*s134*s34*z12) - (s14*s23^2*z1)/(s12^2*s123*s34*z12) - 
   (s12*z1)/(s234*s34*z12) - (5*s13*z1)/(2*s234*s34*z12) - 
   (3*s13^2*z1)/(2*s12*s234*s34*z12) - (5*s14*z1)/(2*s234*s34*z12) - 
   (3*s13*s14*z1)/(s12*s234*s34*z12) - (3*s14^2*z1)/(2*s12*s234*s34*z12) - 
   (7*s23*z1)/(2*s234*s34*z12) - (4*s13*s23*z1)/(s12*s234*s34*z12) - 
   (5*s14*s23*z1)/(s12*s234*s34*z12) - (5*s23^2*z1)/(2*s12*s234*s34*z12) - 
   (2*s24*z1)/(s12*s34*z12) - (9*s13*s24*z1)/(s12^2*s34*z12) - 
   (s13*s24*z1)/(s12*s124*s34*z12) - (s13^2*s24*z1)/(s12^2*s124*s34*z12) + 
   (s24*z1)/(2*s134*s34*z12) - (2*s13*s24*z1)/(s12*s134*s34*z12) - 
   (6*s14*s24*z1)/(s12^2*s34*z12) - (s13*s14*s24*z1)/(s12^2*s123*s34*z12) - 
   (2*s13*s14*s24*z1)/(s12^2*s124*s34*z12) - 
   (s14*s24*z1)/(s12*s134*s34*z12) - (10*s23*s24*z1)/(s12^2*s34*z12) - 
   (s13*s23*s24*z1)/(s12^2*s124*s34*z12) - (s23*s24*z1)/(s12*s134*s34*z12) - 
   (s14*s23*s24*z1)/(s12^2*s123*s34*z12) - (7*s24*z1)/(2*s234*s34*z12) - 
   (5*s13*s24*z1)/(s12*s234*s34*z12) - (4*s14*s24*z1)/(s12*s234*s34*z12) - 
   (7*s23*s24*z1)/(s12*s234*s34*z12) - (4*s24^2*z1)/(s12^2*s34*z12) - 
   (s13*s24^2*z1)/(s12^2*s124*s34*z12) - (s24^2*z1)/(2*s12*s134*s34*z12) - 
   (5*s24^2*z1)/(2*s12*s234*s34*z12) - (s13*s34*z1)/(s12^2*s123*z12) - 
   (s14*s34*z1)/(s12^2*s124*z12) - (2*s23*s34*z1)/(s12^2*s123*z12) + 
   (2*s34*z1)/(s123*s234*z12) - (4*s34*z1)/(s124*s234*z12) + 
   (2*s13*s34*z1)/(s12*s123*s234*z12) - (4*s14*s34*z1)/(s12*s124*s234*z12) + 
   (2*s23*s34*z1)/(s12*s123*s234*z12) - (2*s24*s34*z1)/(s12^2*s124*z12) - 
   (4*s24*s34*z1)/(s12*s124*s234*z12) + (2*z1*z2)/(s12*z12^2) + 
   (2*z1*z2)/(s123*z12^2) + (2*z1*z2)/(s124*z12^2) + 
   (4*s13*z1*z2)/(s12^2*z12^2) + (4*s13*z1*z2)/(s12*s123*z12^2) + 
   (2*s13*z1*z2)/(s12*s124*z12^2) + (2*s13^2*z1*z2)/(s12^2*s123*z12^2) + 
   (4*s14*z1*z2)/(s12^2*z12^2) + (2*s14*z1*z2)/(s12*s123*z12^2) + 
   (4*s14*z1*z2)/(s12*s124*z12^2) + (2*s13*s14*z1*z2)/(s12^2*s123*z12^2) + 
   (2*s13*s14*z1*z2)/(s12^2*s124*z12^2) + (2*s14^2*z1*z2)/
    (s12^2*s124*z12^2) + (4*s23*z1*z2)/(s12^2*z12^2) + 
   (4*s23*z1*z2)/(s12*s123*z12^2) + (2*s23*z1*z2)/(s12*s124*z12^2) + 
   (4*s13*s23*z1*z2)/(s12^2*s123*z12^2) + (2*s14*s23*z1*z2)/
    (s12^2*s123*z12^2) + (2*s14*s23*z1*z2)/(s12^2*s124*z12^2) + 
   (2*s23^2*z1*z2)/(s12^2*s123*z12^2) + (4*s24*z1*z2)/(s12^2*z12^2) + 
   (2*s24*z1*z2)/(s12*s123*z12^2) + (4*s24*z1*z2)/(s12*s124*z12^2) + 
   (2*s13*s24*z1*z2)/(s12^2*s123*z12^2) + (2*s13*s24*z1*z2)/
    (s12^2*s124*z12^2) + (4*s14*s24*z1*z2)/(s12^2*s124*z12^2) + 
   (2*s23*s24*z1*z2)/(s12^2*s123*z12^2) + (2*s23*s24*z1*z2)/
    (s12^2*s124*z12^2) + (2*s24^2*z1*z2)/(s12^2*s124*z12^2) + 
   (2*s13*s14*z1*z2)/(s12*s34^2*z12^2) + (2*s13^2*s14*z1*z2)/
    (s12^2*s34^2*z12^2) + (2*s13*s14^2*z1*z2)/(s12^2*s34^2*z12^2) + 
   (2*s14*s23*z1*z2)/(s12*s34^2*z12^2) + (4*s13*s14*s23*z1*z2)/
    (s12^2*s34^2*z12^2) + (2*s14^2*s23*z1*z2)/(s12^2*s34^2*z12^2) + 
   (2*s14*s23^2*z1*z2)/(s12^2*s34^2*z12^2) + (2*s13*s24*z1*z2)/
    (s12*s34^2*z12^2) + (2*s13^2*s24*z1*z2)/(s12^2*s34^2*z12^2) + 
   (4*s13*s14*s24*z1*z2)/(s12^2*s34^2*z12^2) + 
   (2*s23*s24*z1*z2)/(s12*s34^2*z12^2) + (4*s13*s23*s24*z1*z2)/
    (s12^2*s34^2*z12^2) + (4*s14*s23*s24*z1*z2)/(s12^2*s34^2*z12^2) + 
   (2*s23^2*s24*z1*z2)/(s12^2*s34^2*z12^2) + (2*s13*s24^2*z1*z2)/
    (s12^2*s34^2*z12^2) + (2*s23*s24^2*z1*z2)/(s12^2*s34^2*z12^2) + 
   (2*z1*z2)/(s34*z12^2) + (6*s13*z1*z2)/(s12*s34*z12^2) + 
   (4*s13^2*z1*z2)/(s12^2*s34*z12^2) + (6*s14*z1*z2)/(s12*s34*z12^2) + 
   (10*s13*s14*z1*z2)/(s12^2*s34*z12^2) + (4*s14^2*z1*z2)/(s12^2*s34*z12^2) + 
   (6*s23*z1*z2)/(s12*s34*z12^2) + (8*s13*s23*z1*z2)/(s12^2*s34*z12^2) + 
   (10*s14*s23*z1*z2)/(s12^2*s34*z12^2) + (4*s23^2*z1*z2)/(s12^2*s34*z12^2) + 
   (6*s24*z1*z2)/(s12*s34*z12^2) + (10*s13*s24*z1*z2)/(s12^2*s34*z12^2) + 
   (8*s14*s24*z1*z2)/(s12^2*s34*z12^2) + (10*s23*s24*z1*z2)/
    (s12^2*s34*z12^2) + (4*s24^2*z1*z2)/(s12^2*s34*z12^2) + 
   (2*s34*z1*z2)/(s12*s123*z12^2) + (2*s34*z1*z2)/(s12*s124*z12^2) + 
   (2*s13*s34*z1*z2)/(s12^2*s123*z12^2) + (2*s14*s34*z1*z2)/
    (s12^2*s124*z12^2) + (2*s23*s34*z1*z2)/(s12^2*s123*z12^2) + 
   (2*s24*s34*z1*z2)/(s12^2*s124*z12^2) - (2*s13*z2)/(s12^2*z12) - 
   (s13*z2)/(s12*s123*z12) - (s13^2*z2)/(s12^2*s123*z12) - 
   (s13*z2)/(s12*s134*z12) - (2*s14*z2)/(s12^2*z12) - 
   (s14*z2)/(s12*s124*z12) - (s14*z2)/(s12*s134*z12) - 
   (s14^2*z2)/(s12^2*s124*z12) - (s13*s23*z2)/(s12^2*s123*z12) + 
   (s14*s23*z2)/(s12^2*s123*z12) - (s14*s23*z2)/(s12^2*s124*z12) - 
   (s13*s24*z2)/(s12^2*s123*z12) + (s13*s24*z2)/(s12^2*s124*z12) - 
   (s14*s24*z2)/(s12^2*s124*z12) + (2*s13*s14*z2)/(s12*s34^2*z12) + 
   (2*s13^2*s14*z2)/(s12^2*s34^2*z12) + (2*s13*s14^2*z2)/(s12^2*s34^2*z12) + 
   (s14*s23*z2)/(s12*s34^2*z12) + (3*s13*s14*s23*z2)/(s12^2*s34^2*z12) + 
   (s14^2*s23*z2)/(s12^2*s34^2*z12) + (s14*s23^2*z2)/(s12^2*s34^2*z12) + 
   (s13*s24*z2)/(s12*s34^2*z12) + (s13^2*s24*z2)/(s12^2*s34^2*z12) + 
   (3*s13*s14*s24*z2)/(s12^2*s34^2*z12) + (s13*s23*s24*z2)/
    (s12^2*s34^2*z12) + (s14*s23*s24*z2)/(s12^2*s34^2*z12) + 
   (s13*s24^2*z2)/(s12^2*s34^2*z12) - (2*s13*z2)/(s12*s34*z12) - 
   (2*s13^2*z2)/(s12^2*s34*z12) - (s13*z2)/(s134*s34*z12) - 
   (s13^2*z2)/(s12*s134*s34*z12) - (2*s14*z2)/(s12*s34*z12) - 
   (2*s13*s14*z2)/(s12^2*s34*z12) + (s13*s14*z2)/(s12*s123*s34*z12) + 
   (s13*s14*z2)/(s12*s124*s34*z12) + (s13^2*s14*z2)/(s12^2*s123*s34*z12) + 
   (s13^2*s14*z2)/(s12^2*s124*s34*z12) - (s14*z2)/(s134*s34*z12) - 
   (2*s13*s14*z2)/(s12*s134*s34*z12) - (2*s14^2*z2)/(s12^2*s34*z12) + 
   (s13*s14^2*z2)/(s12^2*s123*s34*z12) + (s13*s14^2*z2)/
    (s12^2*s124*s34*z12) - (s14^2*z2)/(s12*s134*s34*z12) - 
   (2*s13*s23*z2)/(s12^2*s34*z12) - (s13*s23*z2)/(s12*s134*s34*z12) - 
   (s14*s23*z2)/(s12^2*s34*z12) + (s14*s23*z2)/(s12*s123*s34*z12) + 
   (2*s13*s14*s23*z2)/(s12^2*s123*s34*z12) + (s13*s14*s23*z2)/
    (s12^2*s124*s34*z12) - (s14*s23*z2)/(s12*s134*s34*z12) + 
   (s14^2*s23*z2)/(s12^2*s123*s34*z12) + (s14*s23^2*z2)/
    (s12^2*s123*s34*z12) - (s13*s24*z2)/(s12^2*s34*z12) + 
   (s13*s24*z2)/(s12*s124*s34*z12) + (s13^2*s24*z2)/(s12^2*s124*s34*z12) - 
   (s13*s24*z2)/(s12*s134*s34*z12) - (2*s14*s24*z2)/(s12^2*s34*z12) + 
   (s13*s14*s24*z2)/(s12^2*s123*s34*z12) + (2*s13*s14*s24*z2)/
    (s12^2*s124*s34*z12) - (s14*s24*z2)/(s12*s134*s34*z12) + 
   (s13*s23*s24*z2)/(s12^2*s124*s34*z12) + (s14*s23*s24*z2)/
    (s12^2*s123*s34*z12) + (s13*s24^2*z2)/(s12^2*s124*s34*z12) - 
   (s13*s34*z2)/(s12^2*s123*z12) - (s14*s34*z2)/(s12^2*s124*z12) + 
   (2*z3)/(s12*z12) + z3/(s123*z12) + (s13*z3)/(s12*s123*z12) + 
   z3/(s134*z12) + (s14*z3)/(s12*s123*z12) - (s14*z3)/(s12*s124*z12) + 
   (s23*z3)/(s12*s123*z12) + (s24*z3)/(s12*s123*z12) - 
   (s24*z3)/(s12*s124*z12) - (s14*z3)/(s34^2*z12) - 
   (s13*s14*z3)/(s12*s34^2*z12) - (s13*s14*z3)/(2*s134*s34^2*z12) - 
   (s13^2*s14*z3)/(2*s12*s134*s34^2*z12) - (s14^2*z3)/(s12*s34^2*z12) + 
   (s14^2*z3)/(2*s134*s34^2*z12) + (s14^3*z3)/(2*s12*s134*s34^2*z12) - 
   (s14*s23*z3)/(s12*s34^2*z12) - (s14*s23*z3)/(2*s134*s34^2*z12) - 
   (s13*s14*s23*z3)/(s12*s134*s34^2*z12) - 
   (s14*s23^2*z3)/(2*s12*s134*s34^2*z12) + (s13*s14*z3)/(2*s234*s34^2*z12) + 
   (s13^2*s14*z3)/(2*s12*s234*s34^2*z12) - (s14^2*z3)/(2*s234*s34^2*z12) - 
   (s14^3*z3)/(2*s12*s234*s34^2*z12) + (s14*s23*z3)/(2*s234*s34^2*z12) + 
   (s13*s14*s23*z3)/(s12*s234*s34^2*z12) + 
   (s14*s23^2*z3)/(2*s12*s234*s34^2*z12) - (s24*z3)/(s34^2*z12) - 
   (s13*s24*z3)/(s12*s34^2*z12) - (2*s14*s24*z3)/(s12*s34^2*z12) + 
   (s14*s24*z3)/(2*s134*s34^2*z12) + (s14^2*s24*z3)/(s12*s134*s34^2*z12) - 
   (s23*s24*z3)/(s12*s34^2*z12) - (s14*s24*z3)/(2*s234*s34^2*z12) - 
   (s14^2*s24*z3)/(s12*s234*s34^2*z12) - (s24^2*z3)/(s12*s34^2*z12) + 
   (s14*s24^2*z3)/(2*s12*s134*s34^2*z12) - 
   (s14*s24^2*z3)/(2*s12*s234*s34^2*z12) + (2*z3)/(s34*z12) + 
   (2*s13*z3)/(s12*s34*z12) + (s12*z3)/(s134*s34*z12) + 
   (s13*z3)/(s134*s34*z12) + (s14*z3)/(s12*s34*z12) - 
   (s14*z3)/(s124*s34*z12) - (s13*s14*z3)/(s12*s124*s34*z12) + 
   (s14*z3)/(s134*s34*z12) - (s13*s14*z3)/(2*s12*s134*s34*z12) - 
   (s14^2*z3)/(s12*s124*s34*z12) + (s14^2*z3)/(2*s12*s134*s34*z12) + 
   (2*s23*z3)/(s12*s34*z12) + (s23*z3)/(s134*s34*z12) - 
   (s14*s23*z3)/(s12*s124*s34*z12) - (s14*s23*z3)/(2*s12*s134*s34*z12) + 
   (s13*s14*z3)/(2*s12*s234*s34*z12) - (s14^2*z3)/(2*s12*s234*s34*z12) + 
   (s14*s23*z3)/(2*s12*s234*s34*z12) + (s24*z3)/(s12*s34*z12) - 
   (s24*z3)/(s124*s34*z12) - (s13*s24*z3)/(s12*s124*s34*z12) + 
   (s24*z3)/(s134*s34*z12) - (2*s14*s24*z3)/(s12*s124*s34*z12) + 
   (s14*s24*z3)/(2*s12*s134*s34*z12) - (s23*s24*z3)/(s12*s124*s34*z12) - 
   (s14*s24*z3)/(2*s12*s234*s34*z12) - (s24^2*z3)/(s12*s124*s34*z12) + 
   (s34*z3)/(s12*s123*z12) - (2*z1)/(s12*z34) - (6*s13*z1)/(s12^2*z34) - 
   (3*s13*z1)/(2*s12*s123*z34) - (3*s13*z1)/(2*s12*s124*z34) - 
   (3*s13^2*z1)/(2*s12^2*s123*z34) - (3*s13^2*z1)/(2*s12^2*s124*z34) - 
   (2*z1)/(s134*z34) - (4*s13*z1)/(s12*s134*z34) - 
   (2*s13*z1)/(s123*s134*z34) + (s13*z1)/(s124*s134*z34) - 
   (2*s13^2*z1)/(s12*s123*s134*z34) + (s13^2*z1)/(s12*s124*s134*z34) - 
   (6*s14*z1)/(s12^2*z34) - (3*s14*z1)/(2*s12*s123*z34) - 
   (3*s14*z1)/(2*s12*s124*z34) - (3*s13*s14*z1)/(s12^2*s123*z34) - 
   (3*s13*s14*z1)/(s12^2*s124*z34) - (4*s14*z1)/(s12*s134*z34) - 
   (2*s14*z1)/(s123*s134*z34) + (s14*z1)/(s124*s134*z34) - 
   (4*s13*s14*z1)/(s12*s123*s134*z34) + (2*s13*s14*z1)/(s12*s124*s134*z34) - 
   (3*s14^2*z1)/(2*s12^2*s123*z34) - (3*s14^2*z1)/(2*s12^2*s124*z34) - 
   (2*s14^2*z1)/(s12*s123*s134*z34) + (s14^2*z1)/(s12*s124*s134*z34) - 
   (3*s23*z1)/(s12^2*z34) - (s23*z1)/(2*s12*s123*z34) - 
   (s23*z1)/(2*s12*s124*z34) - (2*s13*s23*z1)/(s12^2*s123*z34) - 
   (2*s13*s23*z1)/(s12^2*s124*z34) - (2*s23*z1)/(s12*s134*z34) - 
   (2*s13*s23*z1)/(s12*s123*s134*z34) + (s13*s23*z1)/(s12*s124*s134*z34) - 
   (2*s14*s23*z1)/(s12^2*s123*z34) - (2*s14*s23*z1)/(s12^2*s124*z34) - 
   (2*s14*s23*z1)/(s12*s123*s134*z34) + (s14*s23*z1)/(s12*s124*s134*z34) - 
   (s23^2*z1)/(2*s12^2*s123*z34) - (s23^2*z1)/(2*s12^2*s124*z34) - 
   (s23*z1)/(s12*s234*z34) + (s23*z1)/(s123*s234*z34) - 
   (2*s23*z1)/(s124*s234*z34) + (s13*s23*z1)/(s12*s123*s234*z34) - 
   (2*s13*s23*z1)/(s12*s124*s234*z34) + (s14*s23*z1)/(s12*s123*s234*z34) - 
   (2*s14*s23*z1)/(s12*s124*s234*z34) + (s23^2*z1)/(s12*s123*s234*z34) - 
   (2*s23^2*z1)/(s12*s124*s234*z34) - (3*s24*z1)/(s12^2*z34) - 
   (s24*z1)/(2*s12*s123*z34) - (s24*z1)/(2*s12*s124*z34) - 
   (2*s13*s24*z1)/(s12^2*s123*z34) - (2*s13*s24*z1)/(s12^2*s124*z34) - 
   (2*s24*z1)/(s12*s134*z34) - (2*s13*s24*z1)/(s12*s123*s134*z34) + 
   (s13*s24*z1)/(s12*s124*s134*z34) - (2*s14*s24*z1)/(s12^2*s123*z34) - 
   (2*s14*s24*z1)/(s12^2*s124*z34) - (2*s14*s24*z1)/(s12*s123*s134*z34) + 
   (s14*s24*z1)/(s12*s124*s134*z34) - (s23*s24*z1)/(s12^2*s123*z34) - 
   (s23*s24*z1)/(s12^2*s124*z34) - (s24*z1)/(s12*s234*z34) + 
   (s24*z1)/(s123*s234*z34) - (2*s24*z1)/(s124*s234*z34) + 
   (s13*s24*z1)/(s12*s123*s234*z34) - (2*s13*s24*z1)/(s12*s124*s234*z34) + 
   (s14*s24*z1)/(s12*s123*s234*z34) - (2*s14*s24*z1)/(s12*s124*s234*z34) + 
   (2*s23*s24*z1)/(s12*s123*s234*z34) - (4*s23*s24*z1)/(s12*s124*s234*z34) - 
   (s24^2*z1)/(2*s12^2*s123*z34) - (s24^2*z1)/(2*s12^2*s124*z34) + 
   (s24^2*z1)/(s12*s123*s234*z34) - (2*s24^2*z1)/(s12*s124*s234*z34) - 
   (4*s13*z1)/(s12*s34*z34) - (4*s13^2*z1)/(s12^2*s34*z34) - 
   (2*s13*z1)/(s134*s34*z34) - (2*s13^2*z1)/(s12*s134*s34*z34) - 
   (4*s14*z1)/(s12*s34*z34) - (8*s13*s14*z1)/(s12^2*s34*z34) - 
   (2*s14*z1)/(s134*s34*z34) - (4*s13*s14*z1)/(s12*s134*s34*z34) - 
   (4*s14^2*z1)/(s12^2*s34*z34) - (2*s14^2*z1)/(s12*s134*s34*z34) - 
   (s23*z1)/(s12*s34*z34) - (5*s13*s23*z1)/(s12^2*s34*z34) - 
   (2*s13*s23*z1)/(s12*s134*s34*z34) - (5*s14*s23*z1)/(s12^2*s34*z34) - 
   (2*s14*s23*z1)/(s12*s134*s34*z34) - (s23^2*z1)/(s12^2*s34*z34) - 
   (s23*z1)/(s234*s34*z34) - (s13*s23*z1)/(s12*s234*s34*z34) - 
   (s14*s23*z1)/(s12*s234*s34*z34) - (s23^2*z1)/(s12*s234*s34*z34) - 
   (s24*z1)/(s12*s34*z34) - (5*s13*s24*z1)/(s12^2*s34*z34) - 
   (2*s13*s24*z1)/(s12*s134*s34*z34) - (5*s14*s24*z1)/(s12^2*s34*z34) - 
   (2*s14*s24*z1)/(s12*s134*s34*z34) - (2*s23*s24*z1)/(s12^2*s34*z34) - 
   (s24*z1)/(s234*s34*z34) - (s13*s24*z1)/(s12*s234*s34*z34) - 
   (s14*s24*z1)/(s12*s234*s34*z34) - (2*s23*s24*z1)/(s12*s234*s34*z34) - 
   (s24^2*z1)/(s12^2*s34*z34) - (s24^2*z1)/(s12*s234*s34*z34) - 
   (2*s34*z1)/(s12^2*z34) - (s34*z1)/(s12*s123*z34) - 
   (s34*z1)/(s12*s124*z34) - (5*s13*s34*z1)/(2*s12^2*s123*z34) - 
   (5*s13*s34*z1)/(2*s12^2*s124*z34) - (2*s34*z1)/(s12*s134*z34) - 
   (2*s34*z1)/(s123*s134*z34) + (s34*z1)/(s124*s134*z34) - 
   (4*s13*s34*z1)/(s12*s123*s134*z34) + (2*s13*s34*z1)/(s12*s124*s134*z34) - 
   (5*s14*s34*z1)/(2*s12^2*s123*z34) - (5*s14*s34*z1)/(2*s12^2*s124*z34) - 
   (4*s14*s34*z1)/(s12*s123*s134*z34) + (2*s14*s34*z1)/(s12*s124*s134*z34) - 
   (3*s23*s34*z1)/(2*s12^2*s123*z34) - (3*s23*s34*z1)/(2*s12^2*s124*z34) - 
   (2*s23*s34*z1)/(s12*s123*s134*z34) + (s23*s34*z1)/(s12*s124*s134*z34) + 
   (s34*z1)/(s123*s234*z34) - (2*s34*z1)/(s124*s234*z34) + 
   (s13*s34*z1)/(s12*s123*s234*z34) - (2*s13*s34*z1)/(s12*s124*s234*z34) + 
   (s14*s34*z1)/(s12*s123*s234*z34) - (2*s14*s34*z1)/(s12*s124*s234*z34) + 
   (2*s23*s34*z1)/(s12*s123*s234*z34) - (4*s23*s34*z1)/(s12*s124*s234*z34) - 
   (3*s24*s34*z1)/(2*s12^2*s123*z34) - (3*s24*s34*z1)/(2*s12^2*s124*z34) - 
   (2*s24*s34*z1)/(s12*s123*s134*z34) + (s24*s34*z1)/(s12*s124*s134*z34) + 
   (2*s24*s34*z1)/(s12*s123*s234*z34) - (4*s24*s34*z1)/(s12*s124*s234*z34) - 
   (s34^2*z1)/(s12^2*s123*z34) - (s34^2*z1)/(s12^2*s124*z34) - 
   (2*s34^2*z1)/(s12*s123*s134*z34) + (s34^2*z1)/(s12*s124*s134*z34) + 
   (s34^2*z1)/(s12*s123*s234*z34) - (2*s34^2*z1)/(s12*s124*s234*z34) - 
   (6*z1^2)/(s12*z12*z34) - (10*s13*z1^2)/(s12^2*z12*z34) - 
   (s13*z1^2)/(2*s12*s123*z12*z34) - (s13*z1^2)/(2*s12*s124*z12*z34) - 
   (s13^2*z1^2)/(2*s12^2*s123*z12*z34) - 
   (s13^2*z1^2)/(2*s12^2*s124*z12*z34) - (3*z1^2)/(s134*z12*z34) - 
   (5*s13*z1^2)/(s12*s134*z12*z34) - (10*s14*z1^2)/(s12^2*z12*z34) - 
   (s14*z1^2)/(2*s12*s123*z12*z34) - (s14*z1^2)/(2*s12*s124*z12*z34) - 
   (s13*s14*z1^2)/(s12^2*s123*z12*z34) - (s13*s14*z1^2)/
    (s12^2*s124*z12*z34) - (5*s14*z1^2)/(s12*s134*z12*z34) - 
   (s14^2*z1^2)/(2*s12^2*s123*z12*z34) - 
   (s14^2*z1^2)/(2*s12^2*s124*z12*z34) - (9*s23*z1^2)/(s12^2*z12*z34) - 
   (s23*z1^2)/(2*s12*s123*z12*z34) - (s23*z1^2)/(2*s12*s124*z12*z34) - 
   (s13*s23*z1^2)/(s12^2*s123*z12*z34) - (s13*s23*z1^2)/
    (s12^2*s124*z12*z34) - (4*s23*z1^2)/(s12*s134*z12*z34) - 
   (s14*s23*z1^2)/(s12^2*s123*z12*z34) - (s14*s23*z1^2)/
    (s12^2*s124*z12*z34) - (s23^2*z1^2)/(2*s12^2*s123*z12*z34) - 
   (s23^2*z1^2)/(2*s12^2*s124*z12*z34) - z1^2/(s234*z12*z34) - 
   (s13*z1^2)/(s12*s234*z12*z34) - (s14*z1^2)/(s12*s234*z12*z34) - 
   (2*s23*z1^2)/(s12*s234*z12*z34) - (9*s24*z1^2)/(s12^2*z12*z34) - 
   (s24*z1^2)/(2*s12*s123*z12*z34) - (s24*z1^2)/(2*s12*s124*z12*z34) - 
   (s13*s24*z1^2)/(s12^2*s123*z12*z34) - (s13*s24*z1^2)/
    (s12^2*s124*z12*z34) - (4*s24*z1^2)/(s12*s134*z12*z34) - 
   (s14*s24*z1^2)/(s12^2*s123*z12*z34) - (s14*s24*z1^2)/
    (s12^2*s124*z12*z34) - (s23*s24*z1^2)/(s12^2*s123*z12*z34) - 
   (s23*s24*z1^2)/(s12^2*s124*z12*z34) - (2*s24*z1^2)/(s12*s234*z12*z34) - 
   (s24^2*z1^2)/(2*s12^2*s123*z12*z34) - 
   (s24^2*z1^2)/(2*s12^2*s124*z12*z34) - (4*s13*z1^2)/(s12*s34*z12*z34) - 
   (4*s13^2*z1^2)/(s12^2*s34*z12*z34) - (2*s13*z1^2)/(s134*s34*z12*z34) - 
   (2*s13^2*z1^2)/(s12*s134*s34*z12*z34) - (4*s14*z1^2)/(s12*s34*z12*z34) - 
   (8*s13*s14*z1^2)/(s12^2*s34*z12*z34) - (2*s14*z1^2)/(s134*s34*z12*z34) - 
   (4*s13*s14*z1^2)/(s12*s134*s34*z12*z34) - 
   (4*s14^2*z1^2)/(s12^2*s34*z12*z34) - (2*s14^2*z1^2)/
    (s12*s134*s34*z12*z34) - (3*s23*z1^2)/(s12*s34*z12*z34) - 
   (7*s13*s23*z1^2)/(s12^2*s34*z12*z34) - (s23*z1^2)/(s134*s34*z12*z34) - 
   (3*s13*s23*z1^2)/(s12*s134*s34*z12*z34) - (7*s14*s23*z1^2)/
    (s12^2*s34*z12*z34) - (3*s14*s23*z1^2)/(s12*s134*s34*z12*z34) - 
   (3*s23^2*z1^2)/(s12^2*s34*z12*z34) - (s23^2*z1^2)/(s12*s134*s34*z12*z34) - 
   (s23*z1^2)/(s234*s34*z12*z34) - (s13*s23*z1^2)/(s12*s234*s34*z12*z34) - 
   (s14*s23*z1^2)/(s12*s234*s34*z12*z34) - 
   (s23^2*z1^2)/(s12*s234*s34*z12*z34) - (3*s24*z1^2)/(s12*s34*z12*z34) - 
   (7*s13*s24*z1^2)/(s12^2*s34*z12*z34) - (s24*z1^2)/(s134*s34*z12*z34) - 
   (3*s13*s24*z1^2)/(s12*s134*s34*z12*z34) - (7*s14*s24*z1^2)/
    (s12^2*s34*z12*z34) - (3*s14*s24*z1^2)/(s12*s134*s34*z12*z34) - 
   (6*s23*s24*z1^2)/(s12^2*s34*z12*z34) - (2*s23*s24*z1^2)/
    (s12*s134*s34*z12*z34) - (s24*z1^2)/(s234*s34*z12*z34) - 
   (s13*s24*z1^2)/(s12*s234*s34*z12*z34) - 
   (s14*s24*z1^2)/(s12*s234*s34*z12*z34) - (2*s23*s24*z1^2)/
    (s12*s234*s34*z12*z34) - (3*s24^2*z1^2)/(s12^2*s34*z12*z34) - 
   (s24^2*z1^2)/(s12*s134*s34*z12*z34) - 
   (s24^2*z1^2)/(s12*s234*s34*z12*z34) - (6*s34*z1^2)/(s12^2*z12*z34) - 
   (s34*z1^2)/(s12*s123*z12*z34) - (s34*z1^2)/(s12*s124*z12*z34) - 
   (3*s13*s34*z1^2)/(2*s12^2*s123*z12*z34) - (3*s13*s34*z1^2)/
    (2*s12^2*s124*z12*z34) - (3*s34*z1^2)/(s12*s134*z12*z34) - 
   (3*s14*s34*z1^2)/(2*s12^2*s123*z12*z34) - (3*s14*s34*z1^2)/
    (2*s12^2*s124*z12*z34) - (3*s23*s34*z1^2)/(2*s12^2*s123*z12*z34) - 
   (3*s23*s34*z1^2)/(2*s12^2*s124*z12*z34) - (s34*z1^2)/(s12*s234*z12*z34) - 
   (3*s24*s34*z1^2)/(2*s12^2*s123*z12*z34) - (3*s24*s34*z1^2)/
    (2*s12^2*s124*z12*z34) - (s34^2*z1^2)/(s12^2*s123*z12*z34) - 
   (s34^2*z1^2)/(s12^2*s124*z12*z34) - (s13*z2)/(s12^2*z34) - 
   (s14*z2)/(s12^2*z34) - (s13*z2)/(s12*s234*z34) - (s14*z2)/(s12*s234*z34) - 
   (s13*z2)/(s12*s34*z34) - (s13^2*z2)/(s12^2*s34*z34) - 
   (s14*z2)/(s12*s34*z34) - (2*s13*s14*z2)/(s12^2*s34*z34) - 
   (s14^2*z2)/(s12^2*s34*z34) - (s13*s23*z2)/(s12^2*s34*z34) - 
   (s14*s23*z2)/(s12^2*s34*z34) - (s13*z2)/(s234*s34*z34) - 
   (s13^2*z2)/(s12*s234*s34*z34) - (s14*z2)/(s234*s34*z34) - 
   (2*s13*s14*z2)/(s12*s234*s34*z34) - (s14^2*z2)/(s12*s234*s34*z34) - 
   (s13*s23*z2)/(s12*s234*s34*z34) - (s14*s23*z2)/(s12*s234*s34*z34) - 
   (s13*s24*z2)/(s12^2*s34*z34) - (s14*s24*z2)/(s12^2*s34*z34) - 
   (s13*s24*z2)/(s12*s234*s34*z34) - (s14*s24*z2)/(s12*s234*s34*z34) + 
   (4*z1^2*z2)/(s12*z12^2*z34) + (6*s13*z1^2*z2)/(s12^2*z12^2*z34) + 
   (6*s14*z1^2*z2)/(s12^2*z12^2*z34) + (6*s23*z1^2*z2)/(s12^2*z12^2*z34) + 
   (6*s24*z1^2*z2)/(s12^2*z12^2*z34) + (2*s13*z1^2*z2)/(s12*s34*z12^2*z34) + 
   (2*s13^2*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (2*s14*z1^2*z2)/(s12*s34*z12^2*z34) + (4*s13*s14*z1^2*z2)/
    (s12^2*s34*z12^2*z34) + (2*s14^2*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (2*s23*z1^2*z2)/(s12*s34*z12^2*z34) + (4*s13*s23*z1^2*z2)/
    (s12^2*s34*z12^2*z34) + (4*s14*s23*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (2*s23^2*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (2*s24*z1^2*z2)/(s12*s34*z12^2*z34) + (4*s13*s24*z1^2*z2)/
    (s12^2*s34*z12^2*z34) + (4*s14*s24*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (4*s23*s24*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (2*s24^2*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (4*s34*z1^2*z2)/(s12^2*z12^2*z34) - (2*z1*z2)/(s12*z12*z34) - 
   (3*s13*z1*z2)/(s12^2*z12*z34) + (s13*z1*z2)/(2*s12*s123*z12*z34) + 
   (s13*z1*z2)/(2*s12*s124*z12*z34) + (s13^2*z1*z2)/(2*s12^2*s123*z12*z34) + 
   (s13^2*z1*z2)/(2*s12^2*s124*z12*z34) - (z1*z2)/(s134*z12*z34) - 
   (2*s13*z1*z2)/(s12*s134*z12*z34) - (3*s14*z1*z2)/(s12^2*z12*z34) + 
   (s14*z1*z2)/(2*s12*s123*z12*z34) + (s14*z1*z2)/(2*s12*s124*z12*z34) + 
   (s13*s14*z1*z2)/(s12^2*s123*z12*z34) + (s13*s14*z1*z2)/
    (s12^2*s124*z12*z34) - (2*s14*z1*z2)/(s12*s134*z12*z34) + 
   (s14^2*z1*z2)/(2*s12^2*s123*z12*z34) + 
   (s14^2*z1*z2)/(2*s12^2*s124*z12*z34) - (3*s23*z1*z2)/(s12^2*z12*z34) + 
   (s23*z1*z2)/(2*s12*s123*z12*z34) + (s23*z1*z2)/(2*s12*s124*z12*z34) + 
   (s13*s23*z1*z2)/(s12^2*s123*z12*z34) + (s13*s23*z1*z2)/
    (s12^2*s124*z12*z34) - (s23*z1*z2)/(s12*s134*z12*z34) + 
   (s14*s23*z1*z2)/(s12^2*s123*z12*z34) + (s14*s23*z1*z2)/
    (s12^2*s124*z12*z34) + (s23^2*z1*z2)/(2*s12^2*s123*z12*z34) + 
   (s23^2*z1*z2)/(2*s12^2*s124*z12*z34) - (3*z1*z2)/(s234*z12*z34) - 
   (4*s13*z1*z2)/(s12*s234*z12*z34) - (4*s14*z1*z2)/(s12*s234*z12*z34) - 
   (5*s23*z1*z2)/(s12*s234*z12*z34) - (3*s24*z1*z2)/(s12^2*z12*z34) + 
   (s24*z1*z2)/(2*s12*s123*z12*z34) + (s24*z1*z2)/(2*s12*s124*z12*z34) + 
   (s13*s24*z1*z2)/(s12^2*s123*z12*z34) + (s13*s24*z1*z2)/
    (s12^2*s124*z12*z34) - (s24*z1*z2)/(s12*s134*z12*z34) + 
   (s14*s24*z1*z2)/(s12^2*s123*z12*z34) + (s14*s24*z1*z2)/
    (s12^2*s124*z12*z34) + (s23*s24*z1*z2)/(s12^2*s123*z12*z34) + 
   (s23*s24*z1*z2)/(s12^2*s124*z12*z34) - (5*s24*z1*z2)/(s12*s234*z12*z34) + 
   (s24^2*z1*z2)/(2*s12^2*s123*z12*z34) + 
   (s24^2*z1*z2)/(2*s12^2*s124*z12*z34) - (s13*z1*z2)/(s12*s34*z12*z34) - 
   (s13^2*z1*z2)/(s12^2*s34*z12*z34) - (s13*z1*z2)/(s134*s34*z12*z34) - 
   (s13^2*z1*z2)/(s12*s134*s34*z12*z34) - (s14*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s14*z1*z2)/(s12^2*s34*z12*z34) - (s14*z1*z2)/(s134*s34*z12*z34) - 
   (2*s13*s14*z1*z2)/(s12*s134*s34*z12*z34) - 
   (s14^2*z1*z2)/(s12^2*s34*z12*z34) - (s14^2*z1*z2)/(s12*s134*s34*z12*z34) - 
   (s23*z1*z2)/(s12*s34*z12*z34) - (2*s13*s23*z1*z2)/(s12^2*s34*z12*z34) - 
   (s13*s23*z1*z2)/(s12*s134*s34*z12*z34) - (2*s14*s23*z1*z2)/
    (s12^2*s34*z12*z34) - (s14*s23*z1*z2)/(s12*s134*s34*z12*z34) - 
   (s23^2*z1*z2)/(s12^2*s34*z12*z34) - (s13*z1*z2)/(s234*s34*z12*z34) - 
   (s13^2*z1*z2)/(s12*s234*s34*z12*z34) - (s14*z1*z2)/(s234*s34*z12*z34) - 
   (2*s13*s14*z1*z2)/(s12*s234*s34*z12*z34) - 
   (s14^2*z1*z2)/(s12*s234*s34*z12*z34) - (2*s23*z1*z2)/(s234*s34*z12*z34) - 
   (3*s13*s23*z1*z2)/(s12*s234*s34*z12*z34) - 
   (3*s14*s23*z1*z2)/(s12*s234*s34*z12*z34) - 
   (2*s23^2*z1*z2)/(s12*s234*s34*z12*z34) - (s24*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s24*z1*z2)/(s12^2*s34*z12*z34) - (s13*s24*z1*z2)/
    (s12*s134*s34*z12*z34) - (2*s14*s24*z1*z2)/(s12^2*s34*z12*z34) - 
   (s14*s24*z1*z2)/(s12*s134*s34*z12*z34) - (2*s23*s24*z1*z2)/
    (s12^2*s34*z12*z34) - (2*s24*z1*z2)/(s234*s34*z12*z34) - 
   (3*s13*s24*z1*z2)/(s12*s234*s34*z12*z34) - 
   (3*s14*s24*z1*z2)/(s12*s234*s34*z12*z34) - 
   (4*s23*s24*z1*z2)/(s12*s234*s34*z12*z34) - 
   (s24^2*z1*z2)/(s12^2*s34*z12*z34) - (2*s24^2*z1*z2)/
    (s12*s234*s34*z12*z34) - (2*s34*z1*z2)/(s12^2*z12*z34) + 
   (s34*z1*z2)/(s12*s123*z12*z34) + (s34*z1*z2)/(s12*s124*z12*z34) + 
   (3*s13*s34*z1*z2)/(2*s12^2*s123*z12*z34) + 
   (3*s13*s34*z1*z2)/(2*s12^2*s124*z12*z34) - 
   (s34*z1*z2)/(s12*s134*z12*z34) + (3*s14*s34*z1*z2)/
    (2*s12^2*s123*z12*z34) + (3*s14*s34*z1*z2)/(2*s12^2*s124*z12*z34) + 
   (3*s23*s34*z1*z2)/(2*s12^2*s123*z12*z34) + 
   (3*s23*s34*z1*z2)/(2*s12^2*s124*z12*z34) - 
   (3*s34*z1*z2)/(s12*s234*z12*z34) + (3*s24*s34*z1*z2)/
    (2*s12^2*s123*z12*z34) + (3*s24*s34*z1*z2)/(2*s12^2*s124*z12*z34) + 
   (s34^2*z1*z2)/(s12^2*s123*z12*z34) + (s34^2*z1*z2)/(s12^2*s124*z12*z34) + 
   (4*z1*z2^2)/(s12*z12^2*z34) + (6*s13*z1*z2^2)/(s12^2*z12^2*z34) + 
   (6*s14*z1*z2^2)/(s12^2*z12^2*z34) + (6*s23*z1*z2^2)/(s12^2*z12^2*z34) + 
   (6*s24*z1*z2^2)/(s12^2*z12^2*z34) + (2*s13*z1*z2^2)/(s12*s34*z12^2*z34) + 
   (2*s13^2*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (2*s14*z1*z2^2)/(s12*s34*z12^2*z34) + (4*s13*s14*z1*z2^2)/
    (s12^2*s34*z12^2*z34) + (2*s14^2*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (2*s23*z1*z2^2)/(s12*s34*z12^2*z34) + (4*s13*s23*z1*z2^2)/
    (s12^2*s34*z12^2*z34) + (4*s14*s23*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (2*s23^2*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (2*s24*z1*z2^2)/(s12*s34*z12^2*z34) + (4*s13*s24*z1*z2^2)/
    (s12^2*s34*z12^2*z34) + (4*s14*s24*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (4*s23*s24*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (2*s24^2*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (4*s34*z1*z2^2)/(s12^2*z12^2*z34) + (s13*z2^2)/(s12^2*z12*z34) + 
   (s14*z2^2)/(s12^2*z12*z34) + (s13*z2^2)/(s12*s34*z12*z34) + 
   (s13^2*z2^2)/(s12^2*s34*z12*z34) + (s14*z2^2)/(s12*s34*z12*z34) + 
   (2*s13*s14*z2^2)/(s12^2*s34*z12*z34) + (s14^2*z2^2)/(s12^2*s34*z12*z34) + 
   (s13*s23*z2^2)/(s12^2*s34*z12*z34) + (s14*s23*z2^2)/(s12^2*s34*z12*z34) + 
   (s13*s24*z2^2)/(s12^2*s34*z12*z34) + (s14*s24*z2^2)/(s12^2*s34*z12*z34) + 
   (2*s14*z3)/(s12^2*z34) + (s14*z3)/(s12*s123*z34) + 
   (s14*z3)/(s12*s124*z34) + (5*s13*s14*z3)/(2*s12^2*s123*z34) + 
   (5*s13*s14*z3)/(2*s12^2*s124*z34) + (2*s14*z3)/(s12*s134*z34) + 
   (2*s14*z3)/(s123*s134*z34) - (s14*z3)/(s124*s134*z34) + 
   (4*s13*s14*z3)/(s12*s123*s134*z34) - (2*s13*s14*z3)/(s12*s124*s134*z34) + 
   (5*s14^2*z3)/(2*s12^2*s123*z34) + (5*s14^2*z3)/(2*s12^2*s124*z34) + 
   (4*s14^2*z3)/(s12*s123*s134*z34) - (2*s14^2*z3)/(s12*s124*s134*z34) + 
   (3*s14*s23*z3)/(2*s12^2*s123*z34) + (3*s14*s23*z3)/(2*s12^2*s124*z34) + 
   (2*s14*s23*z3)/(s12*s123*s134*z34) - (s14*s23*z3)/(s12*s124*s134*z34) - 
   (s14*z3)/(s123*s234*z34) + (2*s14*z3)/(s124*s234*z34) - 
   (s13*s14*z3)/(s12*s123*s234*z34) + (2*s13*s14*z3)/(s12*s124*s234*z34) - 
   (s14^2*z3)/(s12*s123*s234*z34) + (2*s14^2*z3)/(s12*s124*s234*z34) - 
   (2*s14*s23*z3)/(s12*s123*s234*z34) + (4*s14*s23*z3)/(s12*s124*s234*z34) + 
   (3*s14*s24*z3)/(2*s12^2*s123*z34) + (3*s14*s24*z3)/(2*s12^2*s124*z34) + 
   (2*s14*s24*z3)/(s12*s123*s134*z34) - (s14*s24*z3)/(s12*s124*s134*z34) - 
   (2*s14*s24*z3)/(s12*s123*s234*z34) + (4*s14*s24*z3)/(s12*s124*s234*z34) + 
   (4*s13*s14*z3)/(s12*s34^2*z34) + (4*s13^2*s14*z3)/(s12^2*s34^2*z34) + 
   (2*s13*s14*z3)/(s134*s34^2*z34) + (2*s13^2*s14*z3)/(s12*s134*s34^2*z34) + 
   (4*s14^2*z3)/(s12*s34^2*z34) + (8*s13*s14^2*z3)/(s12^2*s34^2*z34) + 
   (2*s14^2*z3)/(s134*s34^2*z34) + (4*s13*s14^2*z3)/(s12*s134*s34^2*z34) + 
   (4*s14^3*z3)/(s12^2*s34^2*z34) + (2*s14^3*z3)/(s12*s134*s34^2*z34) + 
   (s14*s23*z3)/(s12*s34^2*z34) + (5*s13*s14*s23*z3)/(s12^2*s34^2*z34) + 
   (2*s13*s14*s23*z3)/(s12*s134*s34^2*z34) + (5*s14^2*s23*z3)/
    (s12^2*s34^2*z34) + (2*s14^2*s23*z3)/(s12*s134*s34^2*z34) + 
   (s14*s23^2*z3)/(s12^2*s34^2*z34) + (s14*s23*z3)/(s234*s34^2*z34) + 
   (s13*s14*s23*z3)/(s12*s234*s34^2*z34) + 
   (s14^2*s23*z3)/(s12*s234*s34^2*z34) + (s14*s23^2*z3)/
    (s12*s234*s34^2*z34) + (s13*s24*z3)/(s12*s34^2*z34) + 
   (s13^2*s24*z3)/(s12^2*s34^2*z34) + (2*s14*s24*z3)/(s12*s34^2*z34) + 
   (7*s13*s14*s24*z3)/(s12^2*s34^2*z34) + (2*s13*s14*s24*z3)/
    (s12*s134*s34^2*z34) + (6*s14^2*s24*z3)/(s12^2*s34^2*z34) + 
   (2*s14^2*s24*z3)/(s12*s134*s34^2*z34) + (s13*s23*s24*z3)/
    (s12^2*s34^2*z34) + (3*s14*s23*s24*z3)/(s12^2*s34^2*z34) + 
   (s13*s24*z3)/(s234*s34^2*z34) + (s13^2*s24*z3)/(s12*s234*s34^2*z34) + 
   (2*s14*s24*z3)/(s234*s34^2*z34) + (3*s13*s14*s24*z3)/
    (s12*s234*s34^2*z34) + (2*s14^2*s24*z3)/(s12*s234*s34^2*z34) + 
   (s13*s23*s24*z3)/(s12*s234*s34^2*z34) + (3*s14*s23*s24*z3)/
    (s12*s234*s34^2*z34) + (s13*s24^2*z3)/(s12^2*s34^2*z34) + 
   (2*s14*s24^2*z3)/(s12^2*s34^2*z34) + (s13*s24^2*z3)/(s12*s234*s34^2*z34) + 
   (2*s14*s24^2*z3)/(s12*s234*s34^2*z34) + (2*s14*z3)/(s12*s34*z34) + 
   (6*s13*s14*z3)/(s12^2*s34*z34) + (3*s13*s14*z3)/(2*s12*s123*s34*z34) + 
   (3*s13*s14*z3)/(2*s12*s124*s34*z34) + (3*s13^2*s14*z3)/
    (2*s12^2*s123*s34*z34) + (3*s13^2*s14*z3)/(2*s12^2*s124*s34*z34) + 
   (2*s14*z3)/(s134*s34*z34) + (4*s13*s14*z3)/(s12*s134*s34*z34) + 
   (2*s13*s14*z3)/(s123*s134*s34*z34) - (s13*s14*z3)/(s124*s134*s34*z34) + 
   (2*s13^2*s14*z3)/(s12*s123*s134*s34*z34) - 
   (s13^2*s14*z3)/(s12*s124*s134*s34*z34) + (6*s14^2*z3)/(s12^2*s34*z34) + 
   (3*s14^2*z3)/(2*s12*s123*s34*z34) + (3*s14^2*z3)/(2*s12*s124*s34*z34) + 
   (3*s13*s14^2*z3)/(s12^2*s123*s34*z34) + (3*s13*s14^2*z3)/
    (s12^2*s124*s34*z34) + (4*s14^2*z3)/(s12*s134*s34*z34) + 
   (2*s14^2*z3)/(s123*s134*s34*z34) - (s14^2*z3)/(s124*s134*s34*z34) + 
   (4*s13*s14^2*z3)/(s12*s123*s134*s34*z34) - 
   (2*s13*s14^2*z3)/(s12*s124*s134*s34*z34) + 
   (3*s14^3*z3)/(2*s12^2*s123*s34*z34) + 
   (3*s14^3*z3)/(2*s12^2*s124*s34*z34) + 
   (2*s14^3*z3)/(s12*s123*s134*s34*z34) - 
   (s14^3*z3)/(s12*s124*s134*s34*z34) + (3*s14*s23*z3)/(s12^2*s34*z34) + 
   (s14*s23*z3)/(2*s12*s123*s34*z34) + (s14*s23*z3)/(2*s12*s124*s34*z34) + 
   (2*s13*s14*s23*z3)/(s12^2*s123*s34*z34) + (2*s13*s14*s23*z3)/
    (s12^2*s124*s34*z34) + (2*s14*s23*z3)/(s12*s134*s34*z34) + 
   (2*s13*s14*s23*z3)/(s12*s123*s134*s34*z34) - 
   (s13*s14*s23*z3)/(s12*s124*s134*s34*z34) + 
   (2*s14^2*s23*z3)/(s12^2*s123*s34*z34) + (2*s14^2*s23*z3)/
    (s12^2*s124*s34*z34) + (2*s14^2*s23*z3)/(s12*s123*s134*s34*z34) - 
   (s14^2*s23*z3)/(s12*s124*s134*s34*z34) + 
   (s14*s23^2*z3)/(2*s12^2*s123*s34*z34) + 
   (s14*s23^2*z3)/(2*s12^2*s124*s34*z34) + (s14*s23*z3)/(s12*s234*s34*z34) - 
   (s14*s23*z3)/(s123*s234*s34*z34) + (2*s14*s23*z3)/(s124*s234*s34*z34) - 
   (s13*s14*s23*z3)/(s12*s123*s234*s34*z34) + (2*s13*s14*s23*z3)/
    (s12*s124*s234*s34*z34) - (s14^2*s23*z3)/(s12*s123*s234*s34*z34) + 
   (2*s14^2*s23*z3)/(s12*s124*s234*s34*z34) - 
   (s14*s23^2*z3)/(s12*s123*s234*s34*z34) + (2*s14*s23^2*z3)/
    (s12*s124*s234*s34*z34) + (s13*s24*z3)/(s12^2*s34*z34) + 
   (4*s14*s24*z3)/(s12^2*s34*z34) + (s14*s24*z3)/(2*s12*s123*s34*z34) + 
   (s14*s24*z3)/(2*s12*s124*s34*z34) + (2*s13*s14*s24*z3)/
    (s12^2*s123*s34*z34) + (2*s13*s14*s24*z3)/(s12^2*s124*s34*z34) + 
   (2*s14*s24*z3)/(s12*s134*s34*z34) + (2*s13*s14*s24*z3)/
    (s12*s123*s134*s34*z34) - (s13*s14*s24*z3)/(s12*s124*s134*s34*z34) + 
   (2*s14^2*s24*z3)/(s12^2*s123*s34*z34) + (2*s14^2*s24*z3)/
    (s12^2*s124*s34*z34) + (2*s14^2*s24*z3)/(s12*s123*s134*s34*z34) - 
   (s14^2*s24*z3)/(s12*s124*s134*s34*z34) + (s14*s23*s24*z3)/
    (s12^2*s123*s34*z34) + (s14*s23*s24*z3)/(s12^2*s124*s34*z34) + 
   (s13*s24*z3)/(s12*s234*s34*z34) + (2*s14*s24*z3)/(s12*s234*s34*z34) - 
   (s14*s24*z3)/(s123*s234*s34*z34) + (2*s14*s24*z3)/(s124*s234*s34*z34) - 
   (s13*s14*s24*z3)/(s12*s123*s234*s34*z34) + (2*s13*s14*s24*z3)/
    (s12*s124*s234*s34*z34) - (s14^2*s24*z3)/(s12*s123*s234*s34*z34) + 
   (2*s14^2*s24*z3)/(s12*s124*s234*s34*z34) - (2*s14*s23*s24*z3)/
    (s12*s123*s234*s34*z34) + (4*s14*s23*s24*z3)/(s12*s124*s234*s34*z34) + 
   (s14*s24^2*z3)/(2*s12^2*s123*s34*z34) + 
   (s14*s24^2*z3)/(2*s12^2*s124*s34*z34) - 
   (s14*s24^2*z3)/(s12*s123*s234*s34*z34) + (2*s14*s24^2*z3)/
    (s12*s124*s234*s34*z34) + (s14*s34*z3)/(s12^2*s123*z34) + 
   (s14*s34*z3)/(s12^2*s124*z34) + (2*s14*s34*z3)/(s12*s123*s134*z34) - 
   (s14*s34*z3)/(s12*s124*s134*z34) - (s14*s34*z3)/(s12*s123*s234*z34) + 
   (2*s14*s34*z3)/(s12*s124*s234*z34) - (z1*z3)/(s12*z12*z34) - 
   (z1*z3)/(s134*z12*z34) - (3*s13*z1*z3)/(2*s12*s134*z12*z34) + 
   (6*s14*z1*z3)/(s12^2*z12*z34) + (s14*z1*z3)/(s12*s123*z12*z34) + 
   (s14*z1*z3)/(s12*s124*z12*z34) + (3*s13*s14*z1*z3)/
    (2*s12^2*s123*z12*z34) + (3*s13*s14*z1*z3)/(2*s12^2*s124*z12*z34) + 
   (3*s14*z1*z3)/(2*s12*s134*z12*z34) + (3*s14^2*z1*z3)/
    (2*s12^2*s123*z12*z34) + (3*s14^2*z1*z3)/(2*s12^2*s124*z12*z34) - 
   (3*s23*z1*z3)/(2*s12*s134*z12*z34) + (3*s14*s23*z1*z3)/
    (2*s12^2*s123*z12*z34) + (3*s14*s23*z1*z3)/(2*s12^2*s124*z12*z34) + 
   (z1*z3)/(s234*z12*z34) + (3*s13*z1*z3)/(2*s12*s234*z12*z34) + 
   (5*s14*z1*z3)/(2*s12*s234*z12*z34) + (3*s23*z1*z3)/(2*s12*s234*z12*z34) + 
   (4*s24*z1*z3)/(s12^2*z12*z34) - (s24*z1*z3)/(2*s12*s134*z12*z34) + 
   (3*s14*s24*z1*z3)/(2*s12^2*s123*z12*z34) + 
   (3*s14*s24*z1*z3)/(2*s12^2*s124*z12*z34) + 
   (9*s24*z1*z3)/(2*s12*s234*z12*z34) + (4*s13*s14*z1*z3)/
    (s12*s34^2*z12*z34) + (4*s13^2*s14*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (2*s13*s14*z1*z3)/(s134*s34^2*z12*z34) + (2*s13^2*s14*z1*z3)/
    (s12*s134*s34^2*z12*z34) + (4*s14^2*z1*z3)/(s12*s34^2*z12*z34) + 
   (8*s13*s14^2*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (2*s14^2*z1*z3)/(s134*s34^2*z12*z34) + (4*s13*s14^2*z1*z3)/
    (s12*s134*s34^2*z12*z34) + (4*s14^3*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (2*s14^3*z1*z3)/(s12*s134*s34^2*z12*z34) + 
   (3*s14*s23*z1*z3)/(s12*s34^2*z12*z34) + (7*s13*s14*s23*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s14*s23*z1*z3)/(s134*s34^2*z12*z34) + 
   (3*s13*s14*s23*z1*z3)/(s12*s134*s34^2*z12*z34) + 
   (7*s14^2*s23*z1*z3)/(s12^2*s34^2*z12*z34) + (3*s14^2*s23*z1*z3)/
    (s12*s134*s34^2*z12*z34) + (3*s14*s23^2*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (s14*s23^2*z1*z3)/(s12*s134*s34^2*z12*z34) + 
   (s14*s23*z1*z3)/(s234*s34^2*z12*z34) + (s13*s14*s23*z1*z3)/
    (s12*s234*s34^2*z12*z34) + (s14^2*s23*z1*z3)/(s12*s234*s34^2*z12*z34) + 
   (s14*s23^2*z1*z3)/(s12*s234*s34^2*z12*z34) + 
   (3*s13*s24*z1*z3)/(s12*s34^2*z12*z34) + (3*s13^2*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s13*s24*z1*z3)/(s134*s34^2*z12*z34) + 
   (s13^2*s24*z1*z3)/(s12*s134*s34^2*z12*z34) + 
   (6*s14*s24*z1*z3)/(s12*s34^2*z12*z34) + (13*s13*s14*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) + (2*s14*s24*z1*z3)/(s134*s34^2*z12*z34) + 
   (5*s13*s14*s24*z1*z3)/(s12*s134*s34^2*z12*z34) + 
   (10*s14^2*s24*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (4*s14^2*s24*z1*z3)/(s12*s134*s34^2*z12*z34) + 
   (2*s23*s24*z1*z3)/(s12*s34^2*z12*z34) + (5*s13*s23*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s13*s23*s24*z1*z3)/(s12*s134*s34^2*z12*z34) + 
   (11*s14*s23*s24*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (3*s14*s23*s24*z1*z3)/(s12*s134*s34^2*z12*z34) + 
   (2*s23^2*s24*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (s13*s24*z1*z3)/(s234*s34^2*z12*z34) + (s13^2*s24*z1*z3)/
    (s12*s234*s34^2*z12*z34) + (2*s14*s24*z1*z3)/(s234*s34^2*z12*z34) + 
   (3*s13*s14*s24*z1*z3)/(s12*s234*s34^2*z12*z34) + 
   (2*s14^2*s24*z1*z3)/(s12*s234*s34^2*z12*z34) + 
   (2*s23*s24*z1*z3)/(s234*s34^2*z12*z34) + (3*s13*s23*s24*z1*z3)/
    (s12*s234*s34^2*z12*z34) + (5*s14*s23*s24*z1*z3)/
    (s12*s234*s34^2*z12*z34) + (2*s23^2*s24*z1*z3)/(s12*s234*s34^2*z12*z34) + 
   (2*s24^2*z1*z3)/(s12*s34^2*z12*z34) + (5*s13*s24^2*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s13*s24^2*z1*z3)/(s12*s134*s34^2*z12*z34) + 
   (8*s14*s24^2*z1*z3)/(s12^2*s34^2*z12*z34) + (2*s14*s24^2*z1*z3)/
    (s12*s134*s34^2*z12*z34) + (4*s23*s24^2*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (2*s24^2*z1*z3)/(s234*s34^2*z12*z34) + (3*s13*s24^2*z1*z3)/
    (s12*s234*s34^2*z12*z34) + (4*s14*s24^2*z1*z3)/(s12*s234*s34^2*z12*z34) + 
   (4*s23*s24^2*z1*z3)/(s12*s234*s34^2*z12*z34) + 
   (2*s24^3*z1*z3)/(s12^2*s34^2*z12*z34) + (2*s24^3*z1*z3)/
    (s12*s234*s34^2*z12*z34) - (z1*z3)/(s34*z12*z34) - 
   (s13*z1*z3)/(s12*s34*z12*z34) - (s13*z1*z3)/(2*s134*s34*z12*z34) - 
   (s13^2*z1*z3)/(2*s12*s134*s34*z12*z34) + (5*s14*z1*z3)/(s12*s34*z12*z34) + 
   (10*s13*s14*z1*z3)/(s12^2*s34*z12*z34) + (s13*s14*z1*z3)/
    (2*s12*s123*s34*z12*z34) + (s13*s14*z1*z3)/(2*s12*s124*s34*z12*z34) + 
   (s13^2*s14*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (5*s14*z1*z3)/(2*s134*s34*z12*z34) + (4*s13*s14*z1*z3)/
    (s12*s134*s34*z12*z34) + (10*s14^2*z1*z3)/(s12^2*s34*z12*z34) + 
   (s14^2*z1*z3)/(2*s12*s123*s34*z12*z34) + 
   (s14^2*z1*z3)/(2*s12*s124*s34*z12*z34) + (s13*s14^2*z1*z3)/
    (s12^2*s123*s34*z12*z34) + (s13*s14^2*z1*z3)/(s12^2*s124*s34*z12*z34) + 
   (9*s14^2*z1*z3)/(2*s12*s134*s34*z12*z34) + 
   (s14^3*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^3*z1*z3)/(2*s12^2*s124*s34*z12*z34) - (s23*z1*z3)/(s12*s34*z12*z34) - 
   (s23*z1*z3)/(2*s134*s34*z12*z34) - (s13*s23*z1*z3)/
    (s12*s134*s34*z12*z34) + (9*s14*s23*z1*z3)/(s12^2*s34*z12*z34) + 
   (s14*s23*z1*z3)/(2*s12*s123*s34*z12*z34) + 
   (s14*s23*z1*z3)/(2*s12*s124*s34*z12*z34) + (s13*s14*s23*z1*z3)/
    (s12^2*s123*s34*z12*z34) + (s13*s14*s23*z1*z3)/(s12^2*s124*s34*z12*z34) + 
   (3*s14*s23*z1*z3)/(s12*s134*s34*z12*z34) + 
   (s14^2*s23*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z1*z3)/(s12^2*s124*s34*z12*z34) - 
   (s23^2*z1*z3)/(2*s12*s134*s34*z12*z34) + (s14*s23^2*z1*z3)/
    (2*s12^2*s123*s34*z12*z34) + (s14*s23^2*z1*z3)/
    (2*s12^2*s124*s34*z12*z34) + (s13*z1*z3)/(2*s234*s34*z12*z34) + 
   (s13^2*z1*z3)/(2*s12*s234*s34*z12*z34) + 
   (3*s14*z1*z3)/(2*s234*s34*z12*z34) + (2*s13*s14*z1*z3)/
    (s12*s234*s34*z12*z34) + (3*s14^2*z1*z3)/(2*s12*s234*s34*z12*z34) + 
   (s23*z1*z3)/(2*s234*s34*z12*z34) + (s13*s23*z1*z3)/
    (s12*s234*s34*z12*z34) + (3*s14*s23*z1*z3)/(s12*s234*s34*z12*z34) + 
   (s23^2*z1*z3)/(2*s12*s234*s34*z12*z34) + (3*s24*z1*z3)/(s12*s34*z12*z34) + 
   (7*s13*s24*z1*z3)/(s12^2*s34*z12*z34) + (s24*z1*z3)/(2*s134*s34*z12*z34) + 
   (s13*s24*z1*z3)/(s12*s134*s34*z12*z34) + (16*s14*s24*z1*z3)/
    (s12^2*s34*z12*z34) + (s14*s24*z1*z3)/(2*s12*s123*s34*z12*z34) + 
   (s14*s24*z1*z3)/(2*s12*s124*s34*z12*z34) + (s13*s14*s24*z1*z3)/
    (s12^2*s123*s34*z12*z34) + (s13*s14*s24*z1*z3)/(s12^2*s124*s34*z12*z34) + 
   (5*s14*s24*z1*z3)/(s12*s134*s34*z12*z34) + 
   (s14^2*s24*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (s14^2*s24*z1*z3)/(s12^2*s124*s34*z12*z34) + 
   (6*s23*s24*z1*z3)/(s12^2*s34*z12*z34) + (s14*s23*s24*z1*z3)/
    (s12^2*s123*s34*z12*z34) + (s14*s23*s24*z1*z3)/(s12^2*s124*s34*z12*z34) + 
   (7*s24*z1*z3)/(2*s234*s34*z12*z34) + (5*s13*s24*z1*z3)/
    (s12*s234*s34*z12*z34) + (7*s14*s24*z1*z3)/(s12*s234*s34*z12*z34) + 
   (6*s23*s24*z1*z3)/(s12*s234*s34*z12*z34) + 
   (6*s24^2*z1*z3)/(s12^2*s34*z12*z34) + (s24^2*z1*z3)/
    (2*s12*s134*s34*z12*z34) + (s14*s24^2*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s24^2*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (11*s24^2*z1*z3)/(2*s12*s234*s34*z12*z34) - 
   (s34*z1*z3)/(s12*s134*z12*z34) + (s14*s34*z1*z3)/(s12^2*s123*z12*z34) + 
   (s14*s34*z1*z3)/(s12^2*s124*z12*z34) + (s34*z1*z3)/(s12*s234*z12*z34) - 
   (4*s14*z1*z2*z3)/(s12^2*z12^2*z34) - (4*s24*z1*z2*z3)/(s12^2*z12^2*z34) - 
   (2*s13*s14*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (2*s13^2*s14*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s14^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) - 
   (4*s13*s14^2*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (2*s14^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (2*s14*s23*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (4*s13*s14*s23*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (4*s14^2*s23*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s14*s23^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s13*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) - 
   (2*s13^2*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (4*s14*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (8*s13*s14*s24*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (6*s14^2*s24*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s23*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) - 
   (4*s13*s23*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (8*s14*s23*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (2*s23^2*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (2*s24^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (4*s13*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (6*s14*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (4*s23*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s24^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (4*s14*z1*z2*z3)/(s12*s34*z12^2*z34) - (6*s13*s14*z1*z2*z3)/
    (s12^2*s34*z12^2*z34) - (6*s14^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (6*s14*s23*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (4*s24*z1*z2*z3)/(s12*s34*z12^2*z34) - (6*s13*s24*z1*z2*z3)/
    (s12^2*s34*z12^2*z34) - (12*s14*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (6*s23*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (6*s24^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) - (z2*z3)/(s12*z12*z34) - 
   (2*s14*z2*z3)/(s12^2*z12*z34) - (s14*z2*z3)/(s12*s123*z12*z34) - 
   (s14*z2*z3)/(s12*s124*z12*z34) - (3*s13*s14*z2*z3)/
    (2*s12^2*s123*z12*z34) - (3*s13*s14*z2*z3)/(2*s12^2*s124*z12*z34) - 
   (3*s14^2*z2*z3)/(2*s12^2*s123*z12*z34) - (3*s14^2*z2*z3)/
    (2*s12^2*s124*z12*z34) - (3*s14*s23*z2*z3)/(2*s12^2*s123*z12*z34) - 
   (3*s14*s23*z2*z3)/(2*s12^2*s124*z12*z34) - 
   (3*s14*s24*z2*z3)/(2*s12^2*s123*z12*z34) - 
   (3*s14*s24*z2*z3)/(2*s12^2*s124*z12*z34) - 
   (2*s13*s14*z2*z3)/(s12*s34^2*z12*z34) - (2*s13^2*s14*z2*z3)/
    (s12^2*s34^2*z12*z34) - (2*s14^2*z2*z3)/(s12*s34^2*z12*z34) - 
   (4*s13*s14^2*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (2*s14^3*z2*z3)/(s12^2*s34^2*z12*z34) - (s14*s23*z2*z3)/
    (s12*s34^2*z12*z34) - (3*s13*s14*s23*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s14^2*s23*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s14*s23^2*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s13*s24*z2*z3)/(s12*s34^2*z12*z34) - (s13^2*s24*z2*z3)/
    (s12^2*s34^2*z12*z34) - (2*s14*s24*z2*z3)/(s12*s34^2*z12*z34) - 
   (5*s13*s14*s24*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (4*s14^2*s24*z2*z3)/(s12^2*s34^2*z12*z34) - (s13*s23*s24*z2*z3)/
    (s12^2*s34^2*z12*z34) - (3*s14*s23*s24*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s13*s24^2*z2*z3)/(s12^2*s34^2*z12*z34) - (2*s14*s24^2*z2*z3)/
    (s12^2*s34^2*z12*z34) - (z2*z3)/(s34*z12*z34) - 
   (s13*z2*z3)/(s12*s34*z12*z34) - (3*s14*z2*z3)/(s12*s34*z12*z34) - 
   (4*s13*s14*z2*z3)/(s12^2*s34*z12*z34) - (s13*s14*z2*z3)/
    (2*s12*s123*s34*z12*z34) - (s13*s14*z2*z3)/(2*s12*s124*s34*z12*z34) - 
   (s13^2*s14*z2*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s14*z2*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (4*s14^2*z2*z3)/(s12^2*s34*z12*z34) - (s14^2*z2*z3)/
    (2*s12*s123*s34*z12*z34) - (s14^2*z2*z3)/(2*s12*s124*s34*z12*z34) - 
   (s13*s14^2*z2*z3)/(s12^2*s123*s34*z12*z34) - 
   (s13*s14^2*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (s14^3*z2*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s14^3*z2*z3)/(2*s12^2*s124*s34*z12*z34) - (s23*z2*z3)/(s12*s34*z12*z34) - 
   (3*s14*s23*z2*z3)/(s12^2*s34*z12*z34) - (s14*s23*z2*z3)/
    (2*s12*s123*s34*z12*z34) - (s14*s23*z2*z3)/(2*s12*s124*s34*z12*z34) - 
   (s13*s14*s23*z2*z3)/(s12^2*s123*s34*z12*z34) - 
   (s13*s14*s23*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (s14^2*s23*z2*z3)/(s12^2*s123*s34*z12*z34) - 
   (s14^2*s23*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (s14*s23^2*z2*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s14*s23^2*z2*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (s24*z2*z3)/(s12*s34*z12*z34) - (s13*s24*z2*z3)/(s12^2*s34*z12*z34) - 
   (4*s14*s24*z2*z3)/(s12^2*s34*z12*z34) - (s14*s24*z2*z3)/
    (2*s12*s123*s34*z12*z34) - (s14*s24*z2*z3)/(2*s12*s124*s34*z12*z34) - 
   (s13*s14*s24*z2*z3)/(s12^2*s123*s34*z12*z34) - 
   (s13*s14*s24*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (s14^2*s24*z2*z3)/(s12^2*s123*s34*z12*z34) - 
   (s14^2*s24*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (s14*s23*s24*z2*z3)/(s12^2*s123*s34*z12*z34) - 
   (s14*s23*s24*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (s14*s24^2*z2*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s14*s24^2*z2*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (s14*s34*z2*z3)/(s12^2*s123*z12*z34) - (s14*s34*z2*z3)/
    (s12^2*s124*z12*z34) + (s14*z3^2)/(s12*s134*z12*z34) - 
   (s14*z3^2)/(s12*s234*z12*z34) + (s14*z3^2)/(s34^2*z12*z34) + 
   (s13*s14*z3^2)/(s12*s34^2*z12*z34) + (s13*s14*z3^2)/
    (2*s134*s34^2*z12*z34) + (s13^2*s14*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*z3^2)/(s12*s34^2*z12*z34) + (s14^2*z3^2)/(2*s134*s34^2*z12*z34) + 
   (s13*s14^2*z3^2)/(s12*s134*s34^2*z12*z34) + 
   (s14^3*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23*z3^2)/(s12*s34^2*z12*z34) + (s14*s23*z3^2)/
    (2*s134*s34^2*z12*z34) + (s13*s14*s23*z3^2)/(s12*s134*s34^2*z12*z34) + 
   (s14^2*s23*z3^2)/(s12*s134*s34^2*z12*z34) + 
   (s14*s23^2*z3^2)/(2*s12*s134*s34^2*z12*z34) - 
   (s13*s14*z3^2)/(2*s234*s34^2*z12*z34) - (s13^2*s14*z3^2)/
    (2*s12*s234*s34^2*z12*z34) - (s14^2*z3^2)/(2*s234*s34^2*z12*z34) - 
   (s13*s14^2*z3^2)/(s12*s234*s34^2*z12*z34) - 
   (s14^3*z3^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s14*s23*z3^2)/(2*s234*s34^2*z12*z34) - (s13*s14*s23*z3^2)/
    (s12*s234*s34^2*z12*z34) - (s14^2*s23*z3^2)/(s12*s234*s34^2*z12*z34) - 
   (s14*s23^2*z3^2)/(2*s12*s234*s34^2*z12*z34) + (s24*z3^2)/(s34^2*z12*z34) + 
   (s13*s24*z3^2)/(s12*s34^2*z12*z34) + (2*s14*s24*z3^2)/
    (s12*s34^2*z12*z34) + (s14*s24*z3^2)/(2*s134*s34^2*z12*z34) + 
   (s13*s14*s24*z3^2)/(s12*s134*s34^2*z12*z34) + 
   (s14^2*s24*z3^2)/(s12*s134*s34^2*z12*z34) + 
   (s23*s24*z3^2)/(s12*s34^2*z12*z34) + (s14*s23*s24*z3^2)/
    (s12*s134*s34^2*z12*z34) - (s14*s24*z3^2)/(2*s234*s34^2*z12*z34) - 
   (s13*s14*s24*z3^2)/(s12*s234*s34^2*z12*z34) - 
   (s14^2*s24*z3^2)/(s12*s234*s34^2*z12*z34) - 
   (s14*s23*s24*z3^2)/(s12*s234*s34^2*z12*z34) + 
   (s24^2*z3^2)/(s12*s34^2*z12*z34) + (s14*s24^2*z3^2)/
    (2*s12*s134*s34^2*z12*z34) - (s14*s24^2*z3^2)/
    (2*s12*s234*s34^2*z12*z34) + (s14*z3^2)/(s12*s34*z12*z34) + 
   (s14*z3^2)/(s134*s34*z12*z34) + (3*s13*s14*z3^2)/
    (2*s12*s134*s34*z12*z34) + (3*s14^2*z3^2)/(2*s12*s134*s34*z12*z34) + 
   (3*s14*s23*z3^2)/(2*s12*s134*s34*z12*z34) - 
   (s14*z3^2)/(s234*s34*z12*z34) - (3*s13*s14*z3^2)/
    (2*s12*s234*s34*z12*z34) - (3*s14^2*z3^2)/(2*s12*s234*s34*z12*z34) - 
   (3*s14*s23*z3^2)/(2*s12*s234*s34*z12*z34) + (s24*z3^2)/(s12*s34*z12*z34) + 
   (3*s14*s24*z3^2)/(2*s12*s134*s34*z12*z34) - 
   (3*s14*s24*z3^2)/(2*s12*s234*s34*z12*z34) + (2*z4)/(s12*z12) + 
   z4/(s124*z12) - (s13*z4)/(s12*s123*z12) + (s13*z4)/(s12*s124*z12) + 
   z4/(s134*z12) + (s14*z4)/(s12*s124*z12) - (s23*z4)/(s12*s123*z12) + 
   (s23*z4)/(s12*s124*z12) + (s24*z4)/(s12*s124*z12) - (s13*z4)/(s34^2*z12) - 
   (s13^2*z4)/(s12*s34^2*z12) + (s13^2*z4)/(2*s134*s34^2*z12) + 
   (s13^3*z4)/(2*s12*s134*s34^2*z12) - (s13*s14*z4)/(s12*s34^2*z12) - 
   (s13*s14*z4)/(2*s134*s34^2*z12) - (s13*s14^2*z4)/(2*s12*s134*s34^2*z12) - 
   (s23*z4)/(s34^2*z12) - (2*s13*s23*z4)/(s12*s34^2*z12) + 
   (s13*s23*z4)/(2*s134*s34^2*z12) + (s13^2*s23*z4)/(s12*s134*s34^2*z12) - 
   (s14*s23*z4)/(s12*s34^2*z12) - (s23^2*z4)/(s12*s34^2*z12) + 
   (s13*s23^2*z4)/(2*s12*s134*s34^2*z12) - (s13^2*z4)/(2*s234*s34^2*z12) - 
   (s13^3*z4)/(2*s12*s234*s34^2*z12) + (s13*s14*z4)/(2*s234*s34^2*z12) + 
   (s13*s14^2*z4)/(2*s12*s234*s34^2*z12) - (s13*s23*z4)/(2*s234*s34^2*z12) - 
   (s13^2*s23*z4)/(s12*s234*s34^2*z12) - (s13*s23^2*z4)/
    (2*s12*s234*s34^2*z12) - (s13*s24*z4)/(s12*s34^2*z12) - 
   (s13*s24*z4)/(2*s134*s34^2*z12) - (s13*s14*s24*z4)/(s12*s134*s34^2*z12) - 
   (s23*s24*z4)/(s12*s34^2*z12) + (s13*s24*z4)/(2*s234*s34^2*z12) + 
   (s13*s14*s24*z4)/(s12*s234*s34^2*z12) - 
   (s13*s24^2*z4)/(2*s12*s134*s34^2*z12) + 
   (s13*s24^2*z4)/(2*s12*s234*s34^2*z12) + (2*z4)/(s34*z12) + 
   (s13*z4)/(s12*s34*z12) - (s13*z4)/(s123*s34*z12) - 
   (s13^2*z4)/(s12*s123*s34*z12) + (s12*z4)/(s134*s34*z12) + 
   (s13*z4)/(s134*s34*z12) + (s13^2*z4)/(2*s12*s134*s34*z12) + 
   (2*s14*z4)/(s12*s34*z12) - (s13*s14*z4)/(s12*s123*s34*z12) + 
   (s14*z4)/(s134*s34*z12) - (s13*s14*z4)/(2*s12*s134*s34*z12) + 
   (s23*z4)/(s12*s34*z12) - (s23*z4)/(s123*s34*z12) - 
   (2*s13*s23*z4)/(s12*s123*s34*z12) + (s23*z4)/(s134*s34*z12) + 
   (s13*s23*z4)/(2*s12*s134*s34*z12) - (s14*s23*z4)/(s12*s123*s34*z12) - 
   (s23^2*z4)/(s12*s123*s34*z12) - (s13^2*z4)/(2*s12*s234*s34*z12) + 
   (s13*s14*z4)/(2*s12*s234*s34*z12) - (s13*s23*z4)/(2*s12*s234*s34*z12) + 
   (2*s24*z4)/(s12*s34*z12) - (s13*s24*z4)/(s12*s123*s34*z12) + 
   (s24*z4)/(s134*s34*z12) - (s13*s24*z4)/(2*s12*s134*s34*z12) - 
   (s23*s24*z4)/(s12*s123*s34*z12) + (s13*s24*z4)/(2*s12*s234*s34*z12) + 
   (s34*z4)/(s12*s124*z12) - (2*z3*z4)/(s12*z34^2) - 
   (4*s13*z3*z4)/(s12^2*z34^2) - (2*s13*z3*z4)/(s12*s134*z34^2) - 
   (4*s14*z3*z4)/(s12^2*z34^2) - (2*s14*z3*z4)/(s12*s134*z34^2) - 
   (2*s13*z3*z4)/(s12*s234*z34^2) - (2*s14*z3*z4)/(s12*s234*z34^2) - 
   (4*s13^2*z3*z4)/(s12*s34^2*z34^2) - (4*s13^3*z3*z4)/(s12^2*s34^2*z34^2) - 
   (2*s13^2*z3*z4)/(s134*s34^2*z34^2) - (2*s13^3*z3*z4)/
    (s12*s134*s34^2*z34^2) - (8*s13*s14*z3*z4)/(s12*s34^2*z34^2) - 
   (12*s13^2*s14*z3*z4)/(s12^2*s34^2*z34^2) - 
   (4*s13*s14*z3*z4)/(s134*s34^2*z34^2) - (6*s13^2*s14*z3*z4)/
    (s12*s134*s34^2*z34^2) - (4*s14^2*z3*z4)/(s12*s34^2*z34^2) - 
   (12*s13*s14^2*z3*z4)/(s12^2*s34^2*z34^2) - 
   (2*s14^2*z3*z4)/(s134*s34^2*z34^2) - (6*s13*s14^2*z3*z4)/
    (s12*s134*s34^2*z34^2) - (4*s14^3*z3*z4)/(s12^2*s34^2*z34^2) - 
   (2*s14^3*z3*z4)/(s12*s134*s34^2*z34^2) - (2*s13*s23*z3*z4)/
    (s12*s34^2*z34^2) - (6*s13^2*s23*z3*z4)/(s12^2*s34^2*z34^2) - 
   (2*s13^2*s23*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (2*s14*s23*z3*z4)/(s12*s34^2*z34^2) - (12*s13*s14*s23*z3*z4)/
    (s12^2*s34^2*z34^2) - (4*s13*s14*s23*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (6*s14^2*s23*z3*z4)/(s12^2*s34^2*z34^2) - (2*s14^2*s23*z3*z4)/
    (s12*s134*s34^2*z34^2) - (2*s13*s23^2*z3*z4)/(s12^2*s34^2*z34^2) - 
   (2*s14*s23^2*z3*z4)/(s12^2*s34^2*z34^2) - (2*s13*s23*z3*z4)/
    (s234*s34^2*z34^2) - (2*s13^2*s23*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (2*s14*s23*z3*z4)/(s234*s34^2*z34^2) - (4*s13*s14*s23*z3*z4)/
    (s12*s234*s34^2*z34^2) - (2*s14^2*s23*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (2*s13*s23^2*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (2*s14*s23^2*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (2*s13*s24*z3*z4)/(s12*s34^2*z34^2) - (6*s13^2*s24*z3*z4)/
    (s12^2*s34^2*z34^2) - (2*s13^2*s24*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (2*s14*s24*z3*z4)/(s12*s34^2*z34^2) - (12*s13*s14*s24*z3*z4)/
    (s12^2*s34^2*z34^2) - (4*s13*s14*s24*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (6*s14^2*s24*z3*z4)/(s12^2*s34^2*z34^2) - (2*s14^2*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) - (4*s13*s23*s24*z3*z4)/(s12^2*s34^2*z34^2) - 
   (4*s14*s23*s24*z3*z4)/(s12^2*s34^2*z34^2) - 
   (2*s13*s24*z3*z4)/(s234*s34^2*z34^2) - (2*s13^2*s24*z3*z4)/
    (s12*s234*s34^2*z34^2) - (2*s14*s24*z3*z4)/(s234*s34^2*z34^2) - 
   (4*s13*s14*s24*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (2*s14^2*s24*z3*z4)/(s12*s234*s34^2*z34^2) - (4*s13*s23*s24*z3*z4)/
    (s12*s234*s34^2*z34^2) - (4*s14*s23*s24*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (2*s13*s24^2*z3*z4)/(s12^2*s34^2*z34^2) - (2*s14*s24^2*z3*z4)/
    (s12^2*s34^2*z34^2) - (2*s13*s24^2*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (2*s14*s24^2*z3*z4)/(s12*s234*s34^2*z34^2) - (2*z3*z4)/(s34*z34^2) - 
   (6*s13*z3*z4)/(s12*s34*z34^2) - (8*s13^2*z3*z4)/(s12^2*s34*z34^2) - 
   (2*s13*z3*z4)/(s134*s34*z34^2) - (4*s13^2*z3*z4)/(s12*s134*s34*z34^2) - 
   (6*s14*z3*z4)/(s12*s34*z34^2) - (16*s13*s14*z3*z4)/(s12^2*s34*z34^2) - 
   (2*s14*z3*z4)/(s134*s34*z34^2) - (8*s13*s14*z3*z4)/(s12*s134*s34*z34^2) - 
   (8*s14^2*z3*z4)/(s12^2*s34*z34^2) - (4*s14^2*z3*z4)/(s12*s134*s34*z34^2) - 
   (2*s23*z3*z4)/(s12*s34*z34^2) - (6*s13*s23*z3*z4)/(s12^2*s34*z34^2) - 
   (2*s13*s23*z3*z4)/(s12*s134*s34*z34^2) - (6*s14*s23*z3*z4)/
    (s12^2*s34*z34^2) - (2*s14*s23*z3*z4)/(s12*s134*s34*z34^2) - 
   (2*s13*z3*z4)/(s234*s34*z34^2) - (2*s13^2*z3*z4)/(s12*s234*s34*z34^2) - 
   (2*s14*z3*z4)/(s234*s34*z34^2) - (4*s13*s14*z3*z4)/(s12*s234*s34*z34^2) - 
   (2*s14^2*z3*z4)/(s12*s234*s34*z34^2) - (4*s13*s23*z3*z4)/
    (s12*s234*s34*z34^2) - (4*s14*s23*z3*z4)/(s12*s234*s34*z34^2) - 
   (2*s24*z3*z4)/(s12*s34*z34^2) - (6*s13*s24*z3*z4)/(s12^2*s34*z34^2) - 
   (2*s13*s24*z3*z4)/(s12*s134*s34*z34^2) - (6*s14*s24*z3*z4)/
    (s12^2*s34*z34^2) - (2*s14*s24*z3*z4)/(s12*s134*s34*z34^2) - 
   (4*s13*s24*z3*z4)/(s12*s234*s34*z34^2) - (4*s14*s24*z3*z4)/
    (s12*s234*s34*z34^2) - (8*z1*z3*z4)/(s12*z12*z34^2) - 
   (20*s13*z1*z3*z4)/(s12^2*z12*z34^2) - (4*z1*z3*z4)/(s134*z12*z34^2) - 
   (10*s13*z1*z3*z4)/(s12*s134*z12*z34^2) - (20*s14*z1*z3*z4)/
    (s12^2*z12*z34^2) - (10*s14*z1*z3*z4)/(s12*s134*z12*z34^2) - 
   (16*s23*z1*z3*z4)/(s12^2*z12*z34^2) - (6*s23*z1*z3*z4)/
    (s12*s134*z12*z34^2) - (4*z1*z3*z4)/(s234*z12*z34^2) - 
   (6*s13*z1*z3*z4)/(s12*s234*z12*z34^2) - (6*s14*z1*z3*z4)/
    (s12*s234*z12*z34^2) - (10*s23*z1*z3*z4)/(s12*s234*z12*z34^2) - 
   (16*s24*z1*z3*z4)/(s12^2*z12*z34^2) - (6*s24*z1*z3*z4)/
    (s12*s134*z12*z34^2) - (10*s24*z1*z3*z4)/(s12*s234*z12*z34^2) - 
   (4*s13^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13^3*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s13^2*z1*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (2*s13^3*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (8*s13*s14*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (12*s13^2*s14*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (4*s13*s14*z1*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (6*s13^2*s14*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (4*s14^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (12*s13*s14^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14^2*z1*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (6*s13*s14^2*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (4*s14^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s14^3*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (6*s13*s23*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (10*s13^2*s23*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s13*s23*z1*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (4*s13^2*s23*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (6*s14*s23*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (20*s13*s14*s23*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14*s23*z1*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (8*s13*s14*s23*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (10*s14^2*s23*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s14^2*s23*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (2*s23^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (8*s13*s23^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s13*s23^2*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (8*s14*s23^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14*s23^2*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (2*s23^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s13*s23*z1*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (2*s13^2*s23*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (2*s14*s23*z1*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (4*s13*s14*s23*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (2*s14^2*s23*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (2*s23^2*z1*z3*z4)/(s234*s34^2*z12*z34^2) - (4*s13*s23^2*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (4*s14*s23^2*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (2*s23^3*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (6*s13*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (10*s13^2*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s13*s24*z1*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (4*s13^2*s24*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (6*s14*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (20*s13*s14*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14*s24*z1*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (8*s13*s14*s24*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (10*s14^2*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s14^2*s24*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (4*s23*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (16*s13*s23*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (4*s13*s23*s24*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (16*s14*s23*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (4*s14*s23*s24*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (6*s23^2*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s13*s24*z1*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (2*s13^2*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (2*s14*s24*z1*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (4*s13*s14*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (2*s14^2*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (4*s23*s24*z1*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (8*s13*s23*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (8*s14*s23*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (6*s23^2*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (2*s24^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (8*s13*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s13*s24^2*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (8*s14*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14*s24^2*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (6*s23*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s24^2*z1*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (4*s13*s24^2*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (4*s14*s24^2*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (6*s23*s24^2*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (2*s24^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s24^3*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (12*s13*z1*z3*z4)/(s12*s34*z12*z34^2) - (16*s13^2*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) - (6*s13*z1*z3*z4)/(s134*s34*z12*z34^2) - 
   (8*s13^2*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (12*s14*z1*z3*z4)/(s12*s34*z12*z34^2) - (32*s13*s14*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) - (6*s14*z1*z3*z4)/(s134*s34*z12*z34^2) - 
   (16*s13*s14*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (16*s14^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (8*s14^2*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (8*s23*z1*z3*z4)/(s12*s34*z12*z34^2) - (26*s13*s23*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) - (2*s23*z1*z3*z4)/(s134*s34*z12*z34^2) - 
   (10*s13*s23*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (26*s14*s23*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (10*s14*s23*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (10*s23^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s23^2*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (2*s13*z1*z3*z4)/(s234*s34*z12*z34^2) - (2*s13^2*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (2*s14*z1*z3*z4)/(s234*s34*z12*z34^2) - 
   (4*s13*s14*z1*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (2*s14^2*z1*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (6*s23*z1*z3*z4)/(s234*s34*z12*z34^2) - (10*s13*s23*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (10*s14*s23*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (8*s23^2*z1*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (8*s24*z1*z3*z4)/(s12*s34*z12*z34^2) - (26*s13*s24*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) - (2*s24*z1*z3*z4)/(s134*s34*z12*z34^2) - 
   (10*s13*s24*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (26*s14*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (10*s14*s24*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (20*s23*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (4*s23*s24*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (6*s24*z1*z3*z4)/(s234*s34*z12*z34^2) - (10*s13*s24*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (10*s14*s24*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (16*s23*s24*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (10*s24^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s24^2*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (8*s24^2*z1*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (8*s34*z1*z3*z4)/(s12^2*z12*z34^2) - (4*s34*z1*z3*z4)/
    (s12*s134*z12*z34^2) - (4*s34*z1*z3*z4)/(s12*s234*z12*z34^2) + 
   (8*z1*z2*z3*z4)/(s12*z12^2*z34^2) + (16*s13*z1*z2*z3*z4)/
    (s12^2*z12^2*z34^2) + (16*s14*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) + 
   (16*s23*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) + (16*s24*z1*z2*z3*z4)/
    (s12^2*z12^2*z34^2) + (2*s13^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (2*s13^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (4*s13*s14*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13^2*s14*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s14^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13*s14^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s14^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (4*s13*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (4*s14*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (12*s13*s14*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s14^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s23^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s14*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s23^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (4*s13*s24*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13^2*s24*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (4*s14*s24*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (12*s13*s14*s24*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s14^2*s24*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (4*s23*s24*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (12*s13*s23*s24*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (12*s14*s23*s24*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s23^2*s24*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s24^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13*s24^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s14*s24^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s23*s24^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s24^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (8*s13*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + (10*s13^2*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (8*s14*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + 
   (20*s13*s14*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (10*s14^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (8*s23*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + (20*s13*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (20*s14*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (10*s23^2*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (8*s24*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + 
   (20*s13*s24*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (20*s14*s24*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (20*s23*s24*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (10*s24^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (8*s34*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) + (4*s13*z2*z3*z4)/
    (s12^2*z12*z34^2) + (4*s14*z2*z3*z4)/(s12^2*z12*z34^2) + 
   (2*s13^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (2*s13^3*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (4*s13*s14*z2*z3*z4)/(s12*s34^2*z12*z34^2) + 
   (6*s13^2*s14*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s14^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (6*s13*s14^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s14^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s13*s23*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (4*s13^2*s23*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s14*s23*z2*z3*z4)/(s12*s34^2*z12*z34^2) + 
   (8*s13*s14*s23*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (4*s14^2*s23*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s13*s23^2*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s14*s23^2*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s13*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (4*s13^2*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s14*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) + 
   (8*s13*s14*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (4*s14^2*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (4*s13*s23*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (4*s14*s23*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s13*s24^2*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s14*s24^2*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (4*s13*z2*z3*z4)/(s12*s34*z12*z34^2) + (6*s13^2*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) + (4*s14*z2*z3*z4)/(s12*s34*z12*z34^2) + 
   (12*s13*s14*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (6*s14^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) + (6*s13*s23*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) + (6*s14*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (6*s13*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (6*s14*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) - (4*z3^2*z4)/(s12*z12*z34^2) - 
   (2*s13*z3^2*z4)/(s34^2*z12*z34^2) - (2*s13^2*z3^2*z4)/
    (s12*s34^2*z12*z34^2) - (2*s14*z3^2*z4)/(s34^2*z12*z34^2) - 
   (4*s13*s14*z3^2*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s14^2*z3^2*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s23*z3^2*z4)/(s34^2*z12*z34^2) - (4*s13*s23*z3^2*z4)/
    (s12*s34^2*z12*z34^2) - (4*s14*s23*z3^2*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s23^2*z3^2*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s24*z3^2*z4)/(s34^2*z12*z34^2) - (4*s13*s24*z3^2*z4)/
    (s12*s34^2*z12*z34^2) - (4*s14*s24*z3^2*z4)/(s12*s34^2*z12*z34^2) - 
   (4*s23*s24*z3^2*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s24^2*z3^2*z4)/(s12*s34^2*z12*z34^2) - (4*z3^2*z4)/(s34*z12*z34^2) - 
   (6*s13*z3^2*z4)/(s12*s34*z12*z34^2) - (6*s14*z3^2*z4)/
    (s12*s34*z12*z34^2) - (6*s23*z3^2*z4)/(s12*s34*z12*z34^2) - 
   (6*s24*z3^2*z4)/(s12*s34*z12*z34^2) + (2*s13*z4)/(s12^2*z34) + 
   (s13*z4)/(s12*s123*z34) + (s13*z4)/(s12*s124*z34) + 
   (5*s13^2*z4)/(2*s12^2*s123*z34) + (5*s13^2*z4)/(2*s12^2*s124*z34) + 
   (2*s13*z4)/(s12*s134*z34) + (2*s13*z4)/(s123*s134*z34) - 
   (s13*z4)/(s124*s134*z34) + (4*s13^2*z4)/(s12*s123*s134*z34) - 
   (2*s13^2*z4)/(s12*s124*s134*z34) + (5*s13*s14*z4)/(2*s12^2*s123*z34) + 
   (5*s13*s14*z4)/(2*s12^2*s124*z34) + (4*s13*s14*z4)/(s12*s123*s134*z34) - 
   (2*s13*s14*z4)/(s12*s124*s134*z34) + (3*s13*s23*z4)/(2*s12^2*s123*z34) + 
   (3*s13*s23*z4)/(2*s12^2*s124*z34) + (2*s13*s23*z4)/(s12*s123*s134*z34) - 
   (s13*s23*z4)/(s12*s124*s134*z34) - (s13*z4)/(s123*s234*z34) + 
   (2*s13*z4)/(s124*s234*z34) - (s13^2*z4)/(s12*s123*s234*z34) + 
   (2*s13^2*z4)/(s12*s124*s234*z34) - (s13*s14*z4)/(s12*s123*s234*z34) + 
   (2*s13*s14*z4)/(s12*s124*s234*z34) - (2*s13*s23*z4)/(s12*s123*s234*z34) + 
   (4*s13*s23*z4)/(s12*s124*s234*z34) + (3*s13*s24*z4)/(2*s12^2*s123*z34) + 
   (3*s13*s24*z4)/(2*s12^2*s124*z34) + (2*s13*s24*z4)/(s12*s123*s134*z34) - 
   (s13*s24*z4)/(s12*s124*s134*z34) - (2*s13*s24*z4)/(s12*s123*s234*z34) + 
   (4*s13*s24*z4)/(s12*s124*s234*z34) + (4*s13^2*z4)/(s12*s34^2*z34) + 
   (4*s13^3*z4)/(s12^2*s34^2*z34) + (2*s13^2*z4)/(s134*s34^2*z34) + 
   (2*s13^3*z4)/(s12*s134*s34^2*z34) + (4*s13*s14*z4)/(s12*s34^2*z34) + 
   (8*s13^2*s14*z4)/(s12^2*s34^2*z34) + (2*s13*s14*z4)/(s134*s34^2*z34) + 
   (4*s13^2*s14*z4)/(s12*s134*s34^2*z34) + (4*s13*s14^2*z4)/
    (s12^2*s34^2*z34) + (2*s13*s14^2*z4)/(s12*s134*s34^2*z34) + 
   (2*s13*s23*z4)/(s12*s34^2*z34) + (6*s13^2*s23*z4)/(s12^2*s34^2*z34) + 
   (2*s13^2*s23*z4)/(s12*s134*s34^2*z34) + (s14*s23*z4)/(s12*s34^2*z34) + 
   (7*s13*s14*s23*z4)/(s12^2*s34^2*z34) + (2*s13*s14*s23*z4)/
    (s12*s134*s34^2*z34) + (s14^2*s23*z4)/(s12^2*s34^2*z34) + 
   (2*s13*s23^2*z4)/(s12^2*s34^2*z34) + (s14*s23^2*z4)/(s12^2*s34^2*z34) + 
   (2*s13*s23*z4)/(s234*s34^2*z34) + (2*s13^2*s23*z4)/(s12*s234*s34^2*z34) + 
   (s14*s23*z4)/(s234*s34^2*z34) + (3*s13*s14*s23*z4)/(s12*s234*s34^2*z34) + 
   (s14^2*s23*z4)/(s12*s234*s34^2*z34) + (2*s13*s23^2*z4)/
    (s12*s234*s34^2*z34) + (s14*s23^2*z4)/(s12*s234*s34^2*z34) + 
   (s13*s24*z4)/(s12*s34^2*z34) + (5*s13^2*s24*z4)/(s12^2*s34^2*z34) + 
   (2*s13^2*s24*z4)/(s12*s134*s34^2*z34) + (5*s13*s14*s24*z4)/
    (s12^2*s34^2*z34) + (2*s13*s14*s24*z4)/(s12*s134*s34^2*z34) + 
   (3*s13*s23*s24*z4)/(s12^2*s34^2*z34) + (s14*s23*s24*z4)/
    (s12^2*s34^2*z34) + (s13*s24*z4)/(s234*s34^2*z34) + 
   (s13^2*s24*z4)/(s12*s234*s34^2*z34) + (s13*s14*s24*z4)/
    (s12*s234*s34^2*z34) + (3*s13*s23*s24*z4)/(s12*s234*s34^2*z34) + 
   (s14*s23*s24*z4)/(s12*s234*s34^2*z34) + (s13*s24^2*z4)/(s12^2*s34^2*z34) + 
   (s13*s24^2*z4)/(s12*s234*s34^2*z34) + (2*s13*z4)/(s12*s34*z34) + 
   (6*s13^2*z4)/(s12^2*s34*z34) + (3*s13^2*z4)/(2*s12*s123*s34*z34) + 
   (3*s13^2*z4)/(2*s12*s124*s34*z34) + (3*s13^3*z4)/(2*s12^2*s123*s34*z34) + 
   (3*s13^3*z4)/(2*s12^2*s124*s34*z34) + (2*s13*z4)/(s134*s34*z34) + 
   (4*s13^2*z4)/(s12*s134*s34*z34) + (2*s13^2*z4)/(s123*s134*s34*z34) - 
   (s13^2*z4)/(s124*s134*s34*z34) + (2*s13^3*z4)/(s12*s123*s134*s34*z34) - 
   (s13^3*z4)/(s12*s124*s134*s34*z34) + (6*s13*s14*z4)/(s12^2*s34*z34) + 
   (3*s13*s14*z4)/(2*s12*s123*s34*z34) + (3*s13*s14*z4)/
    (2*s12*s124*s34*z34) + (3*s13^2*s14*z4)/(s12^2*s123*s34*z34) + 
   (3*s13^2*s14*z4)/(s12^2*s124*s34*z34) + 
   (4*s13*s14*z4)/(s12*s134*s34*z34) + (2*s13*s14*z4)/(s123*s134*s34*z34) - 
   (s13*s14*z4)/(s124*s134*s34*z34) + (4*s13^2*s14*z4)/
    (s12*s123*s134*s34*z34) - (2*s13^2*s14*z4)/(s12*s124*s134*s34*z34) + 
   (3*s13*s14^2*z4)/(2*s12^2*s123*s34*z34) + (3*s13*s14^2*z4)/
    (2*s12^2*s124*s34*z34) + (2*s13*s14^2*z4)/(s12*s123*s134*s34*z34) - 
   (s13*s14^2*z4)/(s12*s124*s134*s34*z34) + (4*s13*s23*z4)/(s12^2*s34*z34) + 
   (s13*s23*z4)/(2*s12*s123*s34*z34) + (s13*s23*z4)/(2*s12*s124*s34*z34) + 
   (2*s13^2*s23*z4)/(s12^2*s123*s34*z34) + (2*s13^2*s23*z4)/
    (s12^2*s124*s34*z34) + (2*s13*s23*z4)/(s12*s134*s34*z34) + 
   (2*s13^2*s23*z4)/(s12*s123*s134*s34*z34) - 
   (s13^2*s23*z4)/(s12*s124*s134*s34*z34) + (s14*s23*z4)/(s12^2*s34*z34) + 
   (2*s13*s14*s23*z4)/(s12^2*s123*s34*z34) + (2*s13*s14*s23*z4)/
    (s12^2*s124*s34*z34) + (2*s13*s14*s23*z4)/(s12*s123*s134*s34*z34) - 
   (s13*s14*s23*z4)/(s12*s124*s134*s34*z34) + 
   (s13*s23^2*z4)/(2*s12^2*s123*s34*z34) + 
   (s13*s23^2*z4)/(2*s12^2*s124*s34*z34) + 
   (2*s13*s23*z4)/(s12*s234*s34*z34) - (s13*s23*z4)/(s123*s234*s34*z34) + 
   (2*s13*s23*z4)/(s124*s234*s34*z34) - (s13^2*s23*z4)/
    (s12*s123*s234*s34*z34) + (2*s13^2*s23*z4)/(s12*s124*s234*s34*z34) + 
   (s14*s23*z4)/(s12*s234*s34*z34) - (s13*s14*s23*z4)/
    (s12*s123*s234*s34*z34) + (2*s13*s14*s23*z4)/(s12*s124*s234*s34*z34) - 
   (s13*s23^2*z4)/(s12*s123*s234*s34*z34) + (2*s13*s23^2*z4)/
    (s12*s124*s234*s34*z34) + (3*s13*s24*z4)/(s12^2*s34*z34) + 
   (s13*s24*z4)/(2*s12*s123*s34*z34) + (s13*s24*z4)/(2*s12*s124*s34*z34) + 
   (2*s13^2*s24*z4)/(s12^2*s123*s34*z34) + (2*s13^2*s24*z4)/
    (s12^2*s124*s34*z34) + (2*s13*s24*z4)/(s12*s134*s34*z34) + 
   (2*s13^2*s24*z4)/(s12*s123*s134*s34*z34) - 
   (s13^2*s24*z4)/(s12*s124*s134*s34*z34) + (2*s13*s14*s24*z4)/
    (s12^2*s123*s34*z34) + (2*s13*s14*s24*z4)/(s12^2*s124*s34*z34) + 
   (2*s13*s14*s24*z4)/(s12*s123*s134*s34*z34) - 
   (s13*s14*s24*z4)/(s12*s124*s134*s34*z34) + 
   (s13*s23*s24*z4)/(s12^2*s123*s34*z34) + (s13*s23*s24*z4)/
    (s12^2*s124*s34*z34) + (s13*s24*z4)/(s12*s234*s34*z34) - 
   (s13*s24*z4)/(s123*s234*s34*z34) + (2*s13*s24*z4)/(s124*s234*s34*z34) - 
   (s13^2*s24*z4)/(s12*s123*s234*s34*z34) + (2*s13^2*s24*z4)/
    (s12*s124*s234*s34*z34) - (s13*s14*s24*z4)/(s12*s123*s234*s34*z34) + 
   (2*s13*s14*s24*z4)/(s12*s124*s234*s34*z34) - 
   (2*s13*s23*s24*z4)/(s12*s123*s234*s34*z34) + 
   (4*s13*s23*s24*z4)/(s12*s124*s234*s34*z34) + 
   (s13*s24^2*z4)/(2*s12^2*s123*s34*z34) + 
   (s13*s24^2*z4)/(2*s12^2*s124*s34*z34) - 
   (s13*s24^2*z4)/(s12*s123*s234*s34*z34) + (2*s13*s24^2*z4)/
    (s12*s124*s234*s34*z34) + (s13*s34*z4)/(s12^2*s123*z34) + 
   (s13*s34*z4)/(s12^2*s124*z34) + (2*s13*s34*z4)/(s12*s123*s134*z34) - 
   (s13*s34*z4)/(s12*s124*s134*z34) - (s13*s34*z4)/(s12*s123*s234*z34) + 
   (2*s13*s34*z4)/(s12*s124*s234*z34) - (z1*z4)/(s12*z12*z34) + 
   (6*s13*z1*z4)/(s12^2*z12*z34) + (s13*z1*z4)/(s12*s123*z12*z34) + 
   (s13*z1*z4)/(s12*s124*z12*z34) + (3*s13^2*z1*z4)/(2*s12^2*s123*z12*z34) + 
   (3*s13^2*z1*z4)/(2*s12^2*s124*z12*z34) - (z1*z4)/(s134*z12*z34) + 
   (3*s13*z1*z4)/(2*s12*s134*z12*z34) + (3*s13*s14*z1*z4)/
    (2*s12^2*s123*z12*z34) + (3*s13*s14*z1*z4)/(2*s12^2*s124*z12*z34) - 
   (3*s14*z1*z4)/(2*s12*s134*z12*z34) + (4*s23*z1*z4)/(s12^2*z12*z34) + 
   (3*s13*s23*z1*z4)/(2*s12^2*s123*z12*z34) + 
   (3*s13*s23*z1*z4)/(2*s12^2*s124*z12*z34) - 
   (s23*z1*z4)/(2*s12*s134*z12*z34) + (z1*z4)/(s234*z12*z34) + 
   (5*s13*z1*z4)/(2*s12*s234*z12*z34) + (3*s14*z1*z4)/(2*s12*s234*z12*z34) + 
   (9*s23*z1*z4)/(2*s12*s234*z12*z34) + (3*s13*s24*z1*z4)/
    (2*s12^2*s123*z12*z34) + (3*s13*s24*z1*z4)/(2*s12^2*s124*z12*z34) - 
   (3*s24*z1*z4)/(2*s12*s134*z12*z34) + (3*s24*z1*z4)/(2*s12*s234*z12*z34) + 
   (4*s13^2*z1*z4)/(s12*s34^2*z12*z34) + (4*s13^3*z1*z4)/
    (s12^2*s34^2*z12*z34) + (2*s13^2*z1*z4)/(s134*s34^2*z12*z34) + 
   (2*s13^3*z1*z4)/(s12*s134*s34^2*z12*z34) + 
   (4*s13*s14*z1*z4)/(s12*s34^2*z12*z34) + (8*s13^2*s14*z1*z4)/
    (s12^2*s34^2*z12*z34) + (2*s13*s14*z1*z4)/(s134*s34^2*z12*z34) + 
   (4*s13^2*s14*z1*z4)/(s12*s134*s34^2*z12*z34) + 
   (4*s13*s14^2*z1*z4)/(s12^2*s34^2*z12*z34) + (2*s13*s14^2*z1*z4)/
    (s12*s134*s34^2*z12*z34) + (6*s13*s23*z1*z4)/(s12*s34^2*z12*z34) + 
   (10*s13^2*s23*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (2*s13*s23*z1*z4)/(s134*s34^2*z12*z34) + (4*s13^2*s23*z1*z4)/
    (s12*s134*s34^2*z12*z34) + (3*s14*s23*z1*z4)/(s12*s34^2*z12*z34) + 
   (13*s13*s14*s23*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s14*s23*z1*z4)/(s134*s34^2*z12*z34) + (5*s13*s14*s23*z1*z4)/
    (s12*s134*s34^2*z12*z34) + (3*s14^2*s23*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s14^2*s23*z1*z4)/(s12*s134*s34^2*z12*z34) + 
   (2*s23^2*z1*z4)/(s12*s34^2*z12*z34) + (8*s13*s23^2*z1*z4)/
    (s12^2*s34^2*z12*z34) + (2*s13*s23^2*z1*z4)/(s12*s134*s34^2*z12*z34) + 
   (5*s14*s23^2*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s14*s23^2*z1*z4)/(s12*s134*s34^2*z12*z34) + 
   (2*s23^3*z1*z4)/(s12^2*s34^2*z12*z34) + (2*s13*s23*z1*z4)/
    (s234*s34^2*z12*z34) + (2*s13^2*s23*z1*z4)/(s12*s234*s34^2*z12*z34) + 
   (s14*s23*z1*z4)/(s234*s34^2*z12*z34) + (3*s13*s14*s23*z1*z4)/
    (s12*s234*s34^2*z12*z34) + (s14^2*s23*z1*z4)/(s12*s234*s34^2*z12*z34) + 
   (2*s23^2*z1*z4)/(s234*s34^2*z12*z34) + (4*s13*s23^2*z1*z4)/
    (s12*s234*s34^2*z12*z34) + (3*s14*s23^2*z1*z4)/(s12*s234*s34^2*z12*z34) + 
   (2*s23^3*z1*z4)/(s12*s234*s34^2*z12*z34) + 
   (3*s13*s24*z1*z4)/(s12*s34^2*z12*z34) + (7*s13^2*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) + (s13*s24*z1*z4)/(s134*s34^2*z12*z34) + 
   (3*s13^2*s24*z1*z4)/(s12*s134*s34^2*z12*z34) + 
   (7*s13*s14*s24*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (3*s13*s14*s24*z1*z4)/(s12*s134*s34^2*z12*z34) + 
   (2*s23*s24*z1*z4)/(s12*s34^2*z12*z34) + (11*s13*s23*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) + (3*s13*s23*s24*z1*z4)/(s12*s134*s34^2*z12*z34) + 
   (5*s14*s23*s24*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s14*s23*s24*z1*z4)/(s12*s134*s34^2*z12*z34) + 
   (4*s23^2*s24*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s24*z1*z4)/(s234*s34^2*z12*z34) + (s13^2*s24*z1*z4)/
    (s12*s234*s34^2*z12*z34) + (s13*s14*s24*z1*z4)/(s12*s234*s34^2*z12*z34) + 
   (2*s23*s24*z1*z4)/(s234*s34^2*z12*z34) + (5*s13*s23*s24*z1*z4)/
    (s12*s234*s34^2*z12*z34) + (3*s14*s23*s24*z1*z4)/
    (s12*s234*s34^2*z12*z34) + (4*s23^2*s24*z1*z4)/(s12*s234*s34^2*z12*z34) + 
   (3*s13*s24^2*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s24^2*z1*z4)/(s12*s134*s34^2*z12*z34) + 
   (2*s23*s24^2*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s24^2*z1*z4)/(s12*s234*s34^2*z12*z34) + 
   (2*s23*s24^2*z1*z4)/(s12*s234*s34^2*z12*z34) - (z1*z4)/(s34*z12*z34) + 
   (5*s13*z1*z4)/(s12*s34*z12*z34) + (10*s13^2*z1*z4)/(s12^2*s34*z12*z34) + 
   (s13^2*z1*z4)/(2*s12*s123*s34*z12*z34) + 
   (s13^2*z1*z4)/(2*s12*s124*s34*z12*z34) + 
   (s13^3*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^3*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (5*s13*z1*z4)/(2*s134*s34*z12*z34) + (9*s13^2*z1*z4)/
    (2*s12*s134*s34*z12*z34) - (s14*z1*z4)/(s12*s34*z12*z34) + 
   (10*s13*s14*z1*z4)/(s12^2*s34*z12*z34) + (s13*s14*z1*z4)/
    (2*s12*s123*s34*z12*z34) + (s13*s14*z1*z4)/(2*s12*s124*s34*z12*z34) + 
   (s13^2*s14*z1*z4)/(s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z1*z4)/(s12^2*s124*s34*z12*z34) - 
   (s14*z1*z4)/(2*s134*s34*z12*z34) + (4*s13*s14*z1*z4)/
    (s12*s134*s34*z12*z34) + (s13*s14^2*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14^2*z1*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s14^2*z1*z4)/(2*s12*s134*s34*z12*z34) + (3*s23*z1*z4)/(s12*s34*z12*z34) + 
   (16*s13*s23*z1*z4)/(s12^2*s34*z12*z34) + (s13*s23*z1*z4)/
    (2*s12*s123*s34*z12*z34) + (s13*s23*z1*z4)/(2*s12*s124*s34*z12*z34) + 
   (s13^2*s23*z1*z4)/(s12^2*s123*s34*z12*z34) + 
   (s13^2*s23*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (s23*z1*z4)/(2*s134*s34*z12*z34) + (5*s13*s23*z1*z4)/
    (s12*s134*s34*z12*z34) + (7*s14*s23*z1*z4)/(s12^2*s34*z12*z34) + 
   (s13*s14*s23*z1*z4)/(s12^2*s123*s34*z12*z34) + 
   (s13*s14*s23*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (s14*s23*z1*z4)/(s12*s134*s34*z12*z34) + (6*s23^2*z1*z4)/
    (s12^2*s34*z12*z34) + (s13*s23^2*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s23^2*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^2*z1*z4)/(2*s12*s134*s34*z12*z34) + 
   (3*s13*z1*z4)/(2*s234*s34*z12*z34) + (3*s13^2*z1*z4)/
    (2*s12*s234*s34*z12*z34) + (s14*z1*z4)/(2*s234*s34*z12*z34) + 
   (2*s13*s14*z1*z4)/(s12*s234*s34*z12*z34) + 
   (s14^2*z1*z4)/(2*s12*s234*s34*z12*z34) + 
   (7*s23*z1*z4)/(2*s234*s34*z12*z34) + (7*s13*s23*z1*z4)/
    (s12*s234*s34*z12*z34) + (5*s14*s23*z1*z4)/(s12*s234*s34*z12*z34) + 
   (11*s23^2*z1*z4)/(2*s12*s234*s34*z12*z34) - 
   (s24*z1*z4)/(s12*s34*z12*z34) + (9*s13*s24*z1*z4)/(s12^2*s34*z12*z34) + 
   (s13*s24*z1*z4)/(2*s12*s123*s34*z12*z34) + 
   (s13*s24*z1*z4)/(2*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z1*z4)/(s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z1*z4)/(s12^2*s124*s34*z12*z34) - 
   (s24*z1*z4)/(2*s134*s34*z12*z34) + (3*s13*s24*z1*z4)/
    (s12*s134*s34*z12*z34) + (s13*s14*s24*z1*z4)/(s12^2*s123*s34*z12*z34) + 
   (s13*s14*s24*z1*z4)/(s12^2*s124*s34*z12*z34) - 
   (s14*s24*z1*z4)/(s12*s134*s34*z12*z34) + (6*s23*s24*z1*z4)/
    (s12^2*s34*z12*z34) + (s13*s23*s24*z1*z4)/(s12^2*s123*s34*z12*z34) + 
   (s13*s23*s24*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (s24*z1*z4)/(2*s234*s34*z12*z34) + (3*s13*s24*z1*z4)/
    (s12*s234*s34*z12*z34) + (s14*s24*z1*z4)/(s12*s234*s34*z12*z34) + 
   (6*s23*s24*z1*z4)/(s12*s234*s34*z12*z34) + 
   (s13*s24^2*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s24^2*z1*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s24^2*z1*z4)/(2*s12*s134*s34*z12*z34) + 
   (s24^2*z1*z4)/(2*s12*s234*s34*z12*z34) + (s13*s34*z1*z4)/
    (s12^2*s123*z12*z34) + (s13*s34*z1*z4)/(s12^2*s124*z12*z34) - 
   (s34*z1*z4)/(s12*s134*z12*z34) + (s34*z1*z4)/(s12*s234*z12*z34) - 
   (4*s13*z1*z2*z4)/(s12^2*z12^2*z34) - (4*s23*z1*z2*z4)/(s12^2*z12^2*z34) - 
   (2*s13^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) - (2*s13^3*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (2*s13*s14*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (4*s13^2*s14*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s13*s14^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (4*s13*s23*z1*z2*z4)/(s12*s34^2*z12^2*z34) - (6*s13^2*s23*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (2*s14*s23*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (8*s13*s14*s23*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s14^2*s23*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s23^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) - (6*s13*s23^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (4*s14*s23^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (2*s23^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s13*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) - (4*s13^2*s24*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (4*s13*s14*s24*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (2*s23*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (8*s13*s23*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (4*s14*s23*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (4*s23^2*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s13*s24^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s23*s24^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (4*s13*z1*z2*z4)/(s12*s34*z12^2*z34) - (6*s13^2*z1*z2*z4)/
    (s12^2*s34*z12^2*z34) - (6*s13*s14*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (4*s23*z1*z2*z4)/(s12*s34*z12^2*z34) - (12*s13*s23*z1*z2*z4)/
    (s12^2*s34*z12^2*z34) - (6*s14*s23*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (6*s23^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) - (6*s13*s24*z1*z2*z4)/
    (s12^2*s34*z12^2*z34) - (6*s23*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (z2*z4)/(s12*z12*z34) - (2*s13*z2*z4)/(s12^2*z12*z34) - 
   (s13*z2*z4)/(s12*s123*z12*z34) - (s13*z2*z4)/(s12*s124*z12*z34) - 
   (3*s13^2*z2*z4)/(2*s12^2*s123*z12*z34) - (3*s13^2*z2*z4)/
    (2*s12^2*s124*z12*z34) - (3*s13*s14*z2*z4)/(2*s12^2*s123*z12*z34) - 
   (3*s13*s14*z2*z4)/(2*s12^2*s124*z12*z34) - 
   (3*s13*s23*z2*z4)/(2*s12^2*s123*z12*z34) - 
   (3*s13*s23*z2*z4)/(2*s12^2*s124*z12*z34) - 
   (3*s13*s24*z2*z4)/(2*s12^2*s123*z12*z34) - 
   (3*s13*s24*z2*z4)/(2*s12^2*s124*z12*z34) - 
   (2*s13^2*z2*z4)/(s12*s34^2*z12*z34) - (2*s13^3*z2*z4)/
    (s12^2*s34^2*z12*z34) - (2*s13*s14*z2*z4)/(s12*s34^2*z12*z34) - 
   (4*s13^2*s14*z2*z4)/(s12^2*s34^2*z12*z34) - (2*s13*s14^2*z2*z4)/
    (s12^2*s34^2*z12*z34) - (2*s13*s23*z2*z4)/(s12*s34^2*z12*z34) - 
   (4*s13^2*s23*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (s14*s23*z2*z4)/(s12*s34^2*z12*z34) - (5*s13*s14*s23*z2*z4)/
    (s12^2*s34^2*z12*z34) - (s14^2*s23*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (2*s13*s23^2*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (s14*s23^2*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (s13*s24*z2*z4)/(s12*s34^2*z12*z34) - (3*s13^2*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) - (3*s13*s14*s24*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (3*s13*s23*s24*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (s14*s23*s24*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (s13*s24^2*z2*z4)/(s12^2*s34^2*z12*z34) - (z2*z4)/(s34*z12*z34) - 
   (3*s13*z2*z4)/(s12*s34*z12*z34) - (4*s13^2*z2*z4)/(s12^2*s34*z12*z34) - 
   (s13^2*z2*z4)/(2*s12*s123*s34*z12*z34) - 
   (s13^2*z2*z4)/(2*s12*s124*s34*z12*z34) - 
   (s13^3*z2*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^3*z2*z4)/(2*s12^2*s124*s34*z12*z34) - (s14*z2*z4)/(s12*s34*z12*z34) - 
   (4*s13*s14*z2*z4)/(s12^2*s34*z12*z34) - (s13*s14*z2*z4)/
    (2*s12*s123*s34*z12*z34) - (s13*s14*z2*z4)/(2*s12*s124*s34*z12*z34) - 
   (s13^2*s14*z2*z4)/(s12^2*s123*s34*z12*z34) - 
   (s13^2*s14*z2*z4)/(s12^2*s124*s34*z12*z34) - 
   (s13*s14^2*z2*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s14^2*z2*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s23*z2*z4)/(s12*s34*z12*z34) - (4*s13*s23*z2*z4)/(s12^2*s34*z12*z34) - 
   (s13*s23*z2*z4)/(2*s12*s123*s34*z12*z34) - 
   (s13*s23*z2*z4)/(2*s12*s124*s34*z12*z34) - 
   (s13^2*s23*z2*z4)/(s12^2*s123*s34*z12*z34) - 
   (s13^2*s23*z2*z4)/(s12^2*s124*s34*z12*z34) - 
   (s14*s23*z2*z4)/(s12^2*s34*z12*z34) - (s13*s14*s23*z2*z4)/
    (s12^2*s123*s34*z12*z34) - (s13*s14*s23*z2*z4)/(s12^2*s124*s34*z12*z34) - 
   (s13*s23^2*z2*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s23^2*z2*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s24*z2*z4)/(s12*s34*z12*z34) - (3*s13*s24*z2*z4)/(s12^2*s34*z12*z34) - 
   (s13*s24*z2*z4)/(2*s12*s123*s34*z12*z34) - 
   (s13*s24*z2*z4)/(2*s12*s124*s34*z12*z34) - 
   (s13^2*s24*z2*z4)/(s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z2*z4)/(s12^2*s124*s34*z12*z34) - 
   (s13*s14*s24*z2*z4)/(s12^2*s123*s34*z12*z34) - 
   (s13*s14*s24*z2*z4)/(s12^2*s124*s34*z12*z34) - 
   (s13*s23*s24*z2*z4)/(s12^2*s123*s34*z12*z34) - 
   (s13*s23*s24*z2*z4)/(s12^2*s124*s34*z12*z34) - 
   (s13*s24^2*z2*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s24^2*z2*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s13*s34*z2*z4)/(s12^2*s123*z12*z34) - (s13*s34*z2*z4)/
    (s12^2*s124*z12*z34) + (4*z3*z4)/(s12*z12*z34) + 
   (2*z3*z4)/(s123*z12*z34) + (2*z3*z4)/(s124*z12*z34) + 
   (3*s13*z3*z4)/(s12*s123*z12*z34) + (3*s13*z3*z4)/(s12*s124*z12*z34) - 
   (s13*z3*z4)/(s12*s134*z12*z34) + (3*s14*z3*z4)/(s12*s123*z12*z34) + 
   (3*s14*z3*z4)/(s12*s124*z12*z34) - (s14*z3*z4)/(s12*s134*z12*z34) + 
   (3*s23*z3*z4)/(s12*s123*z12*z34) + (3*s23*z3*z4)/(s12*s124*z12*z34) + 
   (s13*z3*z4)/(s12*s234*z12*z34) + (s14*z3*z4)/(s12*s234*z12*z34) + 
   (3*s24*z3*z4)/(s12*s123*z12*z34) + (3*s24*z3*z4)/(s12*s124*z12*z34) + 
   (3*s13*z3*z4)/(s34^2*z12*z34) + (3*s13^2*z3*z4)/(s12*s34^2*z12*z34) - 
   (s13^2*z3*z4)/(2*s134*s34^2*z12*z34) - 
   (s13^3*z3*z4)/(2*s12*s134*s34^2*z12*z34) + (3*s14*z3*z4)/(s34^2*z12*z34) + 
   (6*s13*s14*z3*z4)/(s12*s34^2*z12*z34) - (s13*s14*z3*z4)/
    (s134*s34^2*z12*z34) - (3*s13^2*s14*z3*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (3*s14^2*z3*z4)/(s12*s34^2*z12*z34) - (s14^2*z3*z4)/
    (2*s134*s34^2*z12*z34) - (3*s13*s14^2*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^3*z3*z4)/(2*s12*s134*s34^2*z12*z34) + (3*s23*z3*z4)/(s34^2*z12*z34) + 
   (6*s13*s23*z3*z4)/(s12*s34^2*z12*z34) - (s13*s23*z3*z4)/
    (2*s134*s34^2*z12*z34) - (s13^2*s23*z3*z4)/(s12*s134*s34^2*z12*z34) + 
   (6*s14*s23*z3*z4)/(s12*s34^2*z12*z34) - (s14*s23*z3*z4)/
    (2*s134*s34^2*z12*z34) - (2*s13*s14*s23*z3*z4)/(s12*s134*s34^2*z12*z34) - 
   (s14^2*s23*z3*z4)/(s12*s134*s34^2*z12*z34) + 
   (3*s23^2*z3*z4)/(s12*s34^2*z12*z34) - (s13*s23^2*z3*z4)/
    (2*s12*s134*s34^2*z12*z34) - (s14*s23^2*z3*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s13^2*z3*z4)/(2*s234*s34^2*z12*z34) + 
   (s13^3*z3*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*s14*z3*z4)/(s234*s34^2*z12*z34) + (3*s13^2*s14*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*z3*z4)/(2*s234*s34^2*z12*z34) + 
   (3*s13*s14^2*z3*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s14^3*z3*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*s23*z3*z4)/(2*s234*s34^2*z12*z34) + (s13^2*s23*z3*z4)/
    (s12*s234*s34^2*z12*z34) + (s14*s23*z3*z4)/(2*s234*s34^2*z12*z34) + 
   (2*s13*s14*s23*z3*z4)/(s12*s234*s34^2*z12*z34) + 
   (s14^2*s23*z3*z4)/(s12*s234*s34^2*z12*z34) + 
   (s13*s23^2*z3*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s23^2*z3*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (3*s24*z3*z4)/(s34^2*z12*z34) + (6*s13*s24*z3*z4)/(s12*s34^2*z12*z34) - 
   (s13*s24*z3*z4)/(2*s134*s34^2*z12*z34) - (s13^2*s24*z3*z4)/
    (s12*s134*s34^2*z12*z34) + (6*s14*s24*z3*z4)/(s12*s34^2*z12*z34) - 
   (s14*s24*z3*z4)/(2*s134*s34^2*z12*z34) - (2*s13*s14*s24*z3*z4)/
    (s12*s134*s34^2*z12*z34) - (s14^2*s24*z3*z4)/(s12*s134*s34^2*z12*z34) + 
   (6*s23*s24*z3*z4)/(s12*s34^2*z12*z34) - (s13*s23*s24*z3*z4)/
    (s12*s134*s34^2*z12*z34) - (s14*s23*s24*z3*z4)/(s12*s134*s34^2*z12*z34) + 
   (s13*s24*z3*z4)/(2*s234*s34^2*z12*z34) + (s13^2*s24*z3*z4)/
    (s12*s234*s34^2*z12*z34) + (s14*s24*z3*z4)/(2*s234*s34^2*z12*z34) + 
   (2*s13*s14*s24*z3*z4)/(s12*s234*s34^2*z12*z34) + 
   (s14^2*s24*z3*z4)/(s12*s234*s34^2*z12*z34) + 
   (s13*s23*s24*z3*z4)/(s12*s234*s34^2*z12*z34) + 
   (s14*s23*s24*z3*z4)/(s12*s234*s34^2*z12*z34) + 
   (3*s24^2*z3*z4)/(s12*s34^2*z12*z34) - (s13*s24^2*z3*z4)/
    (2*s12*s134*s34^2*z12*z34) - (s14*s24^2*z3*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s13*s24^2*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s24^2*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) + (4*z3*z4)/(s34*z12*z34) + 
   (7*s13*z3*z4)/(s12*s34*z12*z34) + (s13*z3*z4)/(s123*s34*z12*z34) + 
   (s13*z3*z4)/(s124*s34*z12*z34) + (s13^2*z3*z4)/(s12*s123*s34*z12*z34) + 
   (s13^2*z3*z4)/(s12*s124*s34*z12*z34) - (s13*z3*z4)/(s134*s34*z12*z34) - 
   (3*s13^2*z3*z4)/(2*s12*s134*s34*z12*z34) + 
   (7*s14*z3*z4)/(s12*s34*z12*z34) + (s14*z3*z4)/(s123*s34*z12*z34) + 
   (s14*z3*z4)/(s124*s34*z12*z34) + (2*s13*s14*z3*z4)/
    (s12*s123*s34*z12*z34) + (2*s13*s14*z3*z4)/(s12*s124*s34*z12*z34) - 
   (s14*z3*z4)/(s134*s34*z12*z34) - (3*s13*s14*z3*z4)/
    (s12*s134*s34*z12*z34) + (s14^2*z3*z4)/(s12*s123*s34*z12*z34) + 
   (s14^2*z3*z4)/(s12*s124*s34*z12*z34) - (3*s14^2*z3*z4)/
    (2*s12*s134*s34*z12*z34) + (7*s23*z3*z4)/(s12*s34*z12*z34) + 
   (s23*z3*z4)/(s123*s34*z12*z34) + (s23*z3*z4)/(s124*s34*z12*z34) + 
   (2*s13*s23*z3*z4)/(s12*s123*s34*z12*z34) + 
   (2*s13*s23*z3*z4)/(s12*s124*s34*z12*z34) - 
   (3*s13*s23*z3*z4)/(2*s12*s134*s34*z12*z34) + 
   (2*s14*s23*z3*z4)/(s12*s123*s34*z12*z34) + 
   (2*s14*s23*z3*z4)/(s12*s124*s34*z12*z34) - 
   (3*s14*s23*z3*z4)/(2*s12*s134*s34*z12*z34) + 
   (s23^2*z3*z4)/(s12*s123*s34*z12*z34) + 
   (s23^2*z3*z4)/(s12*s124*s34*z12*z34) + (s13*z3*z4)/(s234*s34*z12*z34) + 
   (3*s13^2*z3*z4)/(2*s12*s234*s34*z12*z34) + 
   (s14*z3*z4)/(s234*s34*z12*z34) + (3*s13*s14*z3*z4)/
    (s12*s234*s34*z12*z34) + (3*s14^2*z3*z4)/(2*s12*s234*s34*z12*z34) + 
   (3*s13*s23*z3*z4)/(2*s12*s234*s34*z12*z34) + 
   (3*s14*s23*z3*z4)/(2*s12*s234*s34*z12*z34) + 
   (7*s24*z3*z4)/(s12*s34*z12*z34) + (s24*z3*z4)/(s123*s34*z12*z34) + 
   (s24*z3*z4)/(s124*s34*z12*z34) + (2*s13*s24*z3*z4)/
    (s12*s123*s34*z12*z34) + (2*s13*s24*z3*z4)/(s12*s124*s34*z12*z34) - 
   (3*s13*s24*z3*z4)/(2*s12*s134*s34*z12*z34) + 
   (2*s14*s24*z3*z4)/(s12*s123*s34*z12*z34) + 
   (2*s14*s24*z3*z4)/(s12*s124*s34*z12*z34) - 
   (3*s14*s24*z3*z4)/(2*s12*s134*s34*z12*z34) + 
   (2*s23*s24*z3*z4)/(s12*s123*s34*z12*z34) + 
   (2*s23*s24*z3*z4)/(s12*s124*s34*z12*z34) + 
   (3*s13*s24*z3*z4)/(2*s12*s234*s34*z12*z34) + 
   (3*s14*s24*z3*z4)/(2*s12*s234*s34*z12*z34) + 
   (s24^2*z3*z4)/(s12*s123*s34*z12*z34) + 
   (s24^2*z3*z4)/(s12*s124*s34*z12*z34) + (2*s34*z3*z4)/(s12*s123*z12*z34) + 
   (2*s34*z3*z4)/(s12*s124*z12*z34) - (4*z3*z4^2)/(s12*z12*z34^2) - 
   (2*s13*z3*z4^2)/(s34^2*z12*z34^2) - (2*s13^2*z3*z4^2)/
    (s12*s34^2*z12*z34^2) - (2*s14*z3*z4^2)/(s34^2*z12*z34^2) - 
   (4*s13*s14*z3*z4^2)/(s12*s34^2*z12*z34^2) - 
   (2*s14^2*z3*z4^2)/(s12*s34^2*z12*z34^2) - 
   (2*s23*z3*z4^2)/(s34^2*z12*z34^2) - (4*s13*s23*z3*z4^2)/
    (s12*s34^2*z12*z34^2) - (4*s14*s23*z3*z4^2)/(s12*s34^2*z12*z34^2) - 
   (2*s23^2*z3*z4^2)/(s12*s34^2*z12*z34^2) - 
   (2*s24*z3*z4^2)/(s34^2*z12*z34^2) - (4*s13*s24*z3*z4^2)/
    (s12*s34^2*z12*z34^2) - (4*s14*s24*z3*z4^2)/(s12*s34^2*z12*z34^2) - 
   (4*s23*s24*z3*z4^2)/(s12*s34^2*z12*z34^2) - 
   (2*s24^2*z3*z4^2)/(s12*s34^2*z12*z34^2) - (4*z3*z4^2)/(s34*z12*z34^2) - 
   (6*s13*z3*z4^2)/(s12*s34*z12*z34^2) - (6*s14*z3*z4^2)/
    (s12*s34*z12*z34^2) - (6*s23*z3*z4^2)/(s12*s34*z12*z34^2) - 
   (6*s24*z3*z4^2)/(s12*s34*z12*z34^2) + (s13*z4^2)/(s12*s134*z12*z34) - 
   (s13*z4^2)/(s12*s234*z12*z34) + (s13*z4^2)/(s34^2*z12*z34) + 
   (s13^2*z4^2)/(s12*s34^2*z12*z34) + (s13^2*z4^2)/(2*s134*s34^2*z12*z34) + 
   (s13^3*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s13*s14*z4^2)/(s12*s34^2*z12*z34) + (s13*s14*z4^2)/
    (2*s134*s34^2*z12*z34) + (s13^2*s14*z4^2)/(s12*s134*s34^2*z12*z34) + 
   (s13*s14^2*z4^2)/(2*s12*s134*s34^2*z12*z34) + (s23*z4^2)/(s34^2*z12*z34) + 
   (2*s13*s23*z4^2)/(s12*s34^2*z12*z34) + (s13*s23*z4^2)/
    (2*s134*s34^2*z12*z34) + (s13^2*s23*z4^2)/(s12*s134*s34^2*z12*z34) + 
   (s14*s23*z4^2)/(s12*s34^2*z12*z34) + (s13*s14*s23*z4^2)/
    (s12*s134*s34^2*z12*z34) + (s23^2*z4^2)/(s12*s34^2*z12*z34) + 
   (s13*s23^2*z4^2)/(2*s12*s134*s34^2*z12*z34) - 
   (s13^2*z4^2)/(2*s234*s34^2*z12*z34) - 
   (s13^3*z4^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s13*s14*z4^2)/(2*s234*s34^2*z12*z34) - (s13^2*s14*z4^2)/
    (s12*s234*s34^2*z12*z34) - (s13*s14^2*z4^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s13*s23*z4^2)/(2*s234*s34^2*z12*z34) - (s13^2*s23*z4^2)/
    (s12*s234*s34^2*z12*z34) - (s13*s14*s23*z4^2)/(s12*s234*s34^2*z12*z34) - 
   (s13*s23^2*z4^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*s24*z4^2)/(s12*s34^2*z12*z34) + (s13*s24*z4^2)/
    (2*s134*s34^2*z12*z34) + (s13^2*s24*z4^2)/(s12*s134*s34^2*z12*z34) + 
   (s13*s14*s24*z4^2)/(s12*s134*s34^2*z12*z34) + 
   (s23*s24*z4^2)/(s12*s34^2*z12*z34) + (s13*s23*s24*z4^2)/
    (s12*s134*s34^2*z12*z34) - (s13*s24*z4^2)/(2*s234*s34^2*z12*z34) - 
   (s13^2*s24*z4^2)/(s12*s234*s34^2*z12*z34) - 
   (s13*s14*s24*z4^2)/(s12*s234*s34^2*z12*z34) - 
   (s13*s23*s24*z4^2)/(s12*s234*s34^2*z12*z34) + 
   (s13*s24^2*z4^2)/(2*s12*s134*s34^2*z12*z34) - 
   (s13*s24^2*z4^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*z4^2)/(s12*s34*z12*z34) + (s13*z4^2)/(s134*s34*z12*z34) + 
   (3*s13^2*z4^2)/(2*s12*s134*s34*z12*z34) + (3*s13*s14*z4^2)/
    (2*s12*s134*s34*z12*z34) + (s23*z4^2)/(s12*s34*z12*z34) + 
   (3*s13*s23*z4^2)/(2*s12*s134*s34*z12*z34) - 
   (s13*z4^2)/(s234*s34*z12*z34) - (3*s13^2*z4^2)/(2*s12*s234*s34*z12*z34) - 
   (3*s13*s14*z4^2)/(2*s12*s234*s34*z12*z34) - 
   (3*s13*s23*z4^2)/(2*s12*s234*s34*z12*z34) + 
   (3*s13*s24*z4^2)/(2*s12*s134*s34*z12*z34) - 
   (3*s13*s24*z4^2)/(2*s12*s234*s34*z12*z34)) + 
 k2k4*(-D/(2*s12) - D/(4*s123) - D/(4*s124) + s13/s12^2 + 
   (2*s13)/(s12*s124) - (D*s13)/(2*s12*s124) + (3*s13)/(s123*s124) - 
   (D*s13)/(2*s123*s124) - (3*s13^2)/(2*s12^2*s123) + 
   (3*s13^2)/(s12*s123*s124) - (D*s13^2)/(2*s12*s123*s124) - D/(4*s134) - 
   (D*s12)/(2*s123*s134) - s12/(s124*s134) + (D*s12)/(4*s124*s134) - 
   s13/(2*s12*s134) + (D*s13)/(4*s12*s134) - (D*s13)/(2*s123*s134) - 
   (2*s13)/(s124*s134) + (D*s13)/(4*s124*s134) - (2*s13^2)/(s12*s123*s134) - 
   (D*s13^2)/(2*s12*s123*s134) + s13^2/(s12*s124*s134) - 
   (D*s13^2)/(4*s12*s124*s134) + s14/s12^2 - (D*s14)/(4*s12*s123) + 
   s14/(2*s12*s124) - (D*s14)/(4*s12*s124) + (2*s13*s14)/(s12*s123*s124) - 
   (D*s13*s14)/(2*s12*s123*s124) - (s13^2*s14)/(s12^2*s123*s124) + 
   s14/(2*s12*s134) + (D*s14)/(4*s12*s134) - (D*s14)/(2*s123*s134) - 
   (2*s14)/(s124*s134) + (D*s14)/(4*s124*s134) + 
   (2*s13*s14)/(s12*s123*s134) - (D*s13*s14)/(2*s12*s123*s134) - 
   (D*s13*s14)/(4*s12*s124*s134) + s14^2/(2*s12^2*s124) - 
   (s13*s14^2)/(s12^2*s123*s124) - s14^2/(s12*s124*s134) + s23/(2*s12*s123) + 
   s23/(s12*s124) - (D*s23)/(2*s12*s124) + (2*s23)/(s123*s124) - 
   (D*s23)/(2*s123*s124) + (3*s13*s23)/(2*s12^2*s123) + 
   (5*s13*s23)/(s12*s123*s124) - (D*s13*s23)/(s12*s123*s124) - 
   (D*s23)/(2*s123*s134) - s23/(s124*s134) + (D*s23)/(4*s124*s134) + 
   (2*s13*s23)/(s12*s123*s134) - (D*s13*s23)/(2*s12*s123*s134) + 
   (s13*s23)/(s12*s124*s134) - (D*s13*s23)/(4*s12*s124*s134) - 
   (s14*s23)/(2*s12^2*s123) + (2*s14*s23)/(s12*s123*s124) - 
   (D*s14*s23)/(2*s12*s123*s124) - (s13*s14*s23)/(s12^2*s123*s124) - 
   (D*s14*s23)/(2*s12*s123*s134) - (D*s14*s23)/(4*s12*s124*s134) + 
   (2*s23^2)/(s12*s123*s124) - (D*s23^2)/(2*s12*s123*s124) - D/(4*s234) - 
   s12/(s123*s234) + (D*s12)/(4*s123*s234) - (D*s12)/(2*s124*s234) + 
   (2*s13)/(s12*s234) - (D*s13)/(4*s12*s234) - (2*s13)/(s123*s234) + 
   (D*s13)/(4*s123*s234) - (D*s13)/(2*s124*s234) - 
   (D*s13^2)/(4*s12*s123*s234) + (2*s13^2)/(s12*s124*s234) - 
   (D*s13^2)/(2*s12*s124*s234) - s12/(s134*s234) + (3*s13)/(s134*s234) - 
   (D*s13)/(2*s134*s234) + s14/(s12*s234) - (D*s14)/(4*s12*s234) - 
   s14/(s123*s234) + (D*s14)/(4*s123*s234) - (D*s14)/(2*s124*s234) - 
   (D*s13*s14)/(4*s12*s123*s234) + (2*s13*s14)/(s12*s124*s234) - 
   (D*s13*s14)/(2*s12*s124*s234) + (2*s14)/(s134*s234) - 
   (D*s14)/(2*s134*s234) - (2*s23)/(s123*s234) + (D*s23)/(4*s123*s234) - 
   (D*s23)/(2*s124*s234) - (D*s13*s23)/(4*s12*s123*s234) + 
   (2*s13*s23)/(s12*s124*s234) - (D*s13*s23)/(2*s12*s124*s234) + 
   (s14*s23)/(s12*s123*s234) - (D*s14*s23)/(4*s12*s123*s234) - 
   (D*s14*s23)/(2*s12*s124*s234) - (D*s24)/(4*s12*s123) - 
   (D*s24)/(4*s12*s124) + (3*s13*s24)/(2*s12^2*s123) + 
   (4*s13*s24)/(s12*s123*s124) - (D*s13*s24)/(2*s12*s123*s124) + 
   (s13^2*s24)/(s12^2*s123*s124) - (D*s24)/(2*s123*s134) - s24/(s124*s134) + 
   (D*s24)/(4*s124*s134) + (2*s13*s24)/(s12*s123*s134) + 
   (s14*s24)/(2*s12^2*s124) - (s14*s24)/(s12*s124*s134) + 
   (2*s23*s24)/(s12*s123*s124) - (D*s23*s24)/(2*s12*s123*s124) + 
   (s13*s23*s24)/(s12^2*s123*s124) - s24/(s123*s234) + 
   (D*s24)/(4*s123*s234) - (D*s24)/(2*s124*s234) - 
   (s13*s24)/(s12*s123*s234) - (2*s13*s24)/(s12*s124*s234) + 
   (s13*s24^2)/(s12^2*s123*s124) + s13/s34^2 - s13^2/(s12*s34^2) - 
   (2*s13^3)/(s12^2*s34^2) + (s12*s13)/(2*s134*s34^2) - 
   (3*s13^2)/(2*s134*s34^2) - (2*s13^3)/(s12*s134*s34^2) + 
   (s13*s14)/(s12*s34^2) - (2*s13^2*s14)/(s12^2*s34^2) + 
   (3*s13*s14)/(2*s134*s34^2) - (s13^2*s14)/(s12*s134*s34^2) + 
   (s13*s14^2)/(s12*s134*s34^2) + s23/s34^2 + (2*s13*s23)/(s12*s34^2) - 
   (2*s13^2*s23)/(s12^2*s34^2) - (5*s13^2*s23)/(2*s12*s134*s34^2) - 
   (s13*s14*s23)/(s12^2*s34^2) - (s14*s23)/(2*s134*s34^2) - 
   (s14^2*s23)/(s12^2*s34^2) - (s14^2*s23)/(2*s12*s134*s34^2) + 
   s23^2/(s12*s34^2) - (s13*s23^2)/(2*s12*s134*s34^2) - 
   (s14*s23^2)/(s12^2*s34^2) - (s14*s23^2)/(2*s12*s134*s34^2) + 
   (s12*s23)/(2*s234*s34^2) - (s13^2*s23)/(2*s12*s234*s34^2) - 
   (s12*s13*s23)/(s134*s234*s34^2) - (s13^2*s23)/(s134*s234*s34^2) - 
   (s13*s14*s23)/(s12*s234*s34^2) - (s13*s14*s23)/(s134*s234*s34^2) - 
   (s14^2*s23)/(2*s12*s234*s34^2) + s23^2/(2*s234*s34^2) - 
   (s13*s23^2)/(2*s12*s234*s34^2) - (s13*s23^2)/(s134*s234*s34^2) - 
   (s14*s23^2)/(2*s12*s234*s34^2) + (2*s13*s24)/(s12*s34^2) - 
   (s13^2*s24)/(s12^2*s34^2) + (3*s13*s24)/(2*s134*s34^2) - 
   (s13^2*s24)/(s12*s134*s34^2) + (s13*s14*s24)/(s12^2*s34^2) + 
   (2*s13*s14*s24)/(s12*s134*s34^2) + (s23*s24)/(s12*s34^2) + 
   (s13*s23*s24)/(s12^2*s34^2) + (s13*s23*s24)/(2*s12*s134*s34^2) - 
   (s14*s23*s24)/(s12^2*s34^2) - (s14*s23*s24)/(2*s12*s134*s34^2) + 
   (s12*s13*s24)/(s134*s234*s34^2) + (s13^2*s24)/(s134*s234*s34^2) + 
   (s13*s14*s24)/(s134*s234*s34^2) + (s23*s24)/(2*s234*s34^2) - 
   (s13*s23*s24)/(2*s12*s234*s34^2) - (s14*s23*s24)/(2*s12*s234*s34^2) + 
   (s13*s24^2)/(s12^2*s34^2) + (s13*s24^2)/(s12*s134*s34^2) + 
   (s13*s24^2)/(s134*s234*s34^2) - D/(2*s34) + (2*s13)/(s12*s34) - 
   (D*s13)/(2*s12*s34) - s13/(2*s123*s34) + (D*s13)/(4*s123*s34) + 
   (2*s13)/(s124*s34) - (D*s13)/(4*s124*s34) - s13^2/(s12^2*s34) - 
   (5*s13^2)/(2*s12*s123*s34) + (D*s13^2)/(4*s12*s123*s34) + 
   (2*s13^2)/(s12*s124*s34) - (D*s13^2)/(4*s12*s124*s34) - 
   (2*s13^3)/(s12^2*s123*s34) - (D*s12)/(4*s134*s34) - 
   (s12*s13)/(s124*s134*s34) - (5*s13^2)/(2*s12*s134*s34) + 
   (D*s13^2)/(4*s12*s134*s34) - (2*s13^2)/(s123*s134*s34) - 
   (D*s13^2)/(2*s123*s134*s34) - (D*s13^2)/(4*s124*s134*s34) - 
   (2*s13^3)/(s12*s123*s134*s34) - (D*s13^3)/(2*s12*s123*s134*s34) + 
   s13^3/(s12*s124*s134*s34) - (D*s13^3)/(4*s12*s124*s134*s34) + 
   s14/(s12*s34) - (D*s14)/(2*s12*s34) + (2*s13*s14)/(s12^2*s34) - 
   (s13*s14)/(s12*s123*s34) + (D*s13*s14)/(4*s12*s123*s34) + 
   (3*s13*s14)/(2*s12*s124*s34) - (D*s13*s14)/(4*s12*s124*s34) - 
   (5*s13^2*s14)/(2*s12^2*s123*s34) - (s13^2*s14)/(2*s12^2*s124*s34) + 
   s14/(2*s134*s34) + (s13*s14)/(s12*s134*s34) + 
   (D*s13*s14)/(2*s12*s134*s34) + (2*s13*s14)/(s123*s134*s34) - 
   (D*s13*s14)/(2*s123*s134*s34) - (D*s13*s14)/(4*s124*s134*s34) - 
   (D*s13^2*s14)/(s12*s123*s134*s34) + (2*s13^2*s14)/(s12*s124*s134*s34) - 
   (D*s13^2*s14)/(2*s12*s124*s134*s34) + s14^2/(s12^2*s34) - 
   (s13*s14^2)/(2*s12^2*s123*s34) - (s13*s14^2)/(2*s12^2*s124*s34) + 
   s14^2/(2*s12*s134*s34) + (D*s14^2)/(4*s12*s134*s34) + 
   (2*s13*s14^2)/(s12*s123*s134*s34) - (D*s13*s14^2)/(2*s12*s123*s134*s34) + 
   (s13*s14^2)/(s12*s124*s134*s34) - (D*s13*s14^2)/(4*s12*s124*s134*s34) + 
   s23/(s12*s34) - (D*s23)/(2*s12*s34) + s23/(2*s123*s34) + 
   (D*s23)/(4*s123*s34) + s23/(s124*s34) - (D*s23)/(4*s124*s34) + 
   (s13*s23)/(s12^2*s34) + (s13*s23)/(s12*s123*s34) + 
   (D*s13*s23)/(2*s12*s123*s34) + (3*s13*s23)/(s12*s124*s34) - 
   (D*s13*s23)/(2*s12*s124*s34) - (s13^2*s23)/(s12^2*s123*s34) - 
   (D*s23)/(4*s134*s34) - (s13*s23)/(s12*s134*s34) + 
   (D*s13*s23)/(4*s12*s134*s34) + (2*s13*s23)/(s123*s134*s34) - 
   (D*s13*s23)/(2*s123*s134*s34) - (D*s13*s23)/(4*s124*s134*s34) - 
   (D*s13^2*s23)/(s12*s123*s134*s34) + (2*s13^2*s23)/(s12*s124*s134*s34) - 
   (D*s13^2*s23)/(2*s12*s124*s134*s34) + (D*s14*s23)/(4*s12*s123*s34) + 
   (s14*s23)/(2*s12*s124*s34) - (D*s14*s23)/(4*s12*s124*s34) - 
   (s13*s14*s23)/(s12^2*s124*s34) + (D*s14*s23)/(4*s12*s134*s34) - 
   (D*s14*s23)/(2*s123*s134*s34) + (s14*s23)/(s124*s134*s34) - 
   (D*s14*s23)/(4*s124*s134*s34) + (4*s13*s14*s23)/(s12*s123*s134*s34) - 
   (3*D*s13*s14*s23)/(2*s12*s123*s134*s34) + 
   (3*s13*s14*s23)/(s12*s124*s134*s34) - (3*D*s13*s14*s23)/
    (4*s12*s124*s134*s34) - (s14^2*s23)/(2*s12^2*s123*s34) - 
   (s14^2*s23)/(2*s12^2*s124*s34) - (D*s14^2*s23)/(2*s12*s123*s134*s34) + 
   (s14^2*s23)/(s12*s124*s134*s34) - (D*s14^2*s23)/(4*s12*s124*s134*s34) + 
   s23^2/(2*s12*s123*s34) + (D*s23^2)/(4*s12*s123*s34) + 
   s23^2/(s12*s124*s34) - (D*s23^2)/(4*s12*s124*s34) + 
   (s13*s23^2)/(s12^2*s123*s34) + (2*s13*s23^2)/(s12*s123*s134*s34) - 
   (D*s13*s23^2)/(2*s12*s123*s134*s34) + (s13*s23^2)/(s12*s124*s134*s34) - 
   (D*s13*s23^2)/(4*s12*s124*s134*s34) - (s14*s23^2)/(2*s12^2*s123*s34) - 
   (s14*s23^2)/(2*s12^2*s124*s34) - (D*s14*s23^2)/(2*s12*s123*s134*s34) + 
   (s14*s23^2)/(s12*s124*s134*s34) - (D*s14*s23^2)/(4*s12*s124*s134*s34) - 
   (D*s12)/(4*s234*s34) + (2*s13)/(s234*s34) - (D*s13)/(2*s234*s34) + 
   (2*s13^2)/(s12*s234*s34) - (D*s13^2)/(4*s12*s234*s34) + 
   s13^2/(s123*s234*s34) - (D*s13^2)/(4*s123*s234*s34) + 
   (2*s13^2)/(s124*s234*s34) - (D*s13^2)/(2*s124*s234*s34) + 
   s13^3/(s12*s123*s234*s34) - (D*s13^3)/(4*s12*s123*s234*s34) + 
   (2*s13^3)/(s12*s124*s234*s34) - (D*s13^3)/(2*s12*s124*s234*s34) - 
   s12^2/(s134*s234*s34) + (2*s12*s13)/(s134*s234*s34) - 
   (D*s12*s13)/(2*s134*s234*s34) + (3*s13^2)/(s134*s234*s34) - 
   (D*s13^2)/(2*s134*s234*s34) + s14/(s234*s34) - (D*s14)/(2*s234*s34) + 
   (3*s13*s14)/(s12*s234*s34) - (D*s13*s14)/(2*s12*s234*s34) + 
   (s13*s14)/(s123*s234*s34) - (D*s13*s14)/(4*s123*s234*s34) + 
   (2*s13*s14)/(s124*s234*s34) - (D*s13*s14)/(2*s124*s234*s34) + 
   (2*s13^2*s14)/(s12*s123*s234*s34) - (D*s13^2*s14)/(2*s12*s123*s234*s34) + 
   (4*s13^2*s14)/(s12*s124*s234*s34) - (D*s13^2*s14)/(s12*s124*s234*s34) + 
   (s12*s14)/(s134*s234*s34) - (D*s12*s14)/(2*s134*s234*s34) + 
   (5*s13*s14)/(s134*s234*s34) - (D*s13*s14)/(s134*s234*s34) + 
   s14^2/(s12*s234*s34) - (D*s14^2)/(4*s12*s234*s34) + 
   (s13*s14^2)/(s12*s123*s234*s34) - (D*s13*s14^2)/(4*s12*s123*s234*s34) + 
   (2*s13*s14^2)/(s12*s124*s234*s34) - (D*s13*s14^2)/(2*s12*s124*s234*s34) + 
   (2*s14^2)/(s134*s234*s34) - (D*s14^2)/(2*s134*s234*s34) + 
   s23/(2*s234*s34) - (D*s23)/(4*s234*s34) - (s12*s23)/(s123*s234*s34) + 
   (3*s13*s23)/(2*s12*s234*s34) - (D*s13*s23)/(4*s12*s234*s34) - 
   (D*s13*s23)/(4*s123*s234*s34) + (2*s13*s23)/(s124*s234*s34) - 
   (D*s13*s23)/(2*s124*s234*s34) + (2*s13^2*s23)/(s12*s123*s234*s34) - 
   (D*s13^2*s23)/(2*s12*s123*s234*s34) + (4*s13^2*s23)/(s12*s124*s234*s34) - 
   (D*s13^2*s23)/(s12*s124*s234*s34) - (s12*s23)/(s134*s234*s34) + 
   (2*s13*s23)/(s134*s234*s34) - (D*s13*s23)/(2*s134*s234*s34) + 
   (s14*s23)/(2*s12*s234*s34) - (D*s14*s23)/(4*s12*s234*s34) - 
   (D*s14*s23)/(4*s123*s234*s34) - (D*s14*s23)/(2*s124*s234*s34) + 
   (3*s13*s14*s23)/(s12*s123*s234*s34) - (3*D*s13*s14*s23)/
    (4*s12*s123*s234*s34) + (4*s13*s14*s23)/(s12*s124*s234*s34) - 
   (3*D*s13*s14*s23)/(2*s12*s124*s234*s34) + (2*s14*s23)/(s134*s234*s34) - 
   (D*s14*s23)/(2*s134*s234*s34) + (s14^2*s23)/(s12*s123*s234*s34) - 
   (D*s14^2*s23)/(4*s12*s123*s234*s34) - (D*s14^2*s23)/
    (2*s12*s124*s234*s34) - s23^2/(s123*s234*s34) + 
   (s13*s23^2)/(s12*s123*s234*s34) - (D*s13*s23^2)/(4*s12*s123*s234*s34) + 
   (2*s13*s23^2)/(s12*s124*s234*s34) - (D*s13*s23^2)/(2*s12*s124*s234*s34) + 
   (s14*s23^2)/(s12*s123*s234*s34) - (D*s14*s23^2)/(4*s12*s123*s234*s34) - 
   (D*s14*s23^2)/(2*s12*s124*s234*s34) - (D*s24)/(2*s12*s34) + 
   (2*s13*s24)/(s12^2*s34) + (s13*s24)/(2*s12*s123*s34) + 
   (D*s13*s24)/(4*s12*s123*s34) + (2*s13*s24)/(s12*s124*s34) - 
   (D*s13*s24)/(4*s12*s124*s34) - (s13^2*s24)/(s12^2*s123*s34) - 
   (D*s24)/(4*s134*s34) + (s13*s24)/(2*s12*s134*s34) + 
   (D*s13*s24)/(4*s12*s134*s34) + (2*s13*s24)/(s123*s134*s34) - 
   (s13*s24)/(s124*s134*s34) - (D*s13^2*s24)/(2*s12*s123*s134*s34) + 
   (s13^2*s24)/(s12*s124*s134*s34) - (D*s13^2*s24)/(4*s12*s124*s134*s34) + 
   (s14*s24)/(s12^2*s34) + (s13*s14*s24)/(2*s12^2*s123*s34) - 
   (s13*s14*s24)/(2*s12^2*s124*s34) + (s14*s24)/(2*s12*s134*s34) + 
   (D*s14*s24)/(4*s12*s134*s34) + (4*s13*s14*s24)/(s12*s123*s134*s34) - 
   (D*s13*s14*s24)/(2*s12*s123*s134*s34) + 
   (s13*s14*s24)/(s12*s124*s134*s34) - (D*s13*s14*s24)/
    (4*s12*s124*s134*s34) + (s23*s24)/(2*s12*s123*s34) + 
   (D*s23*s24)/(4*s12*s123*s34) + (s23*s24)/(s12*s124*s34) - 
   (D*s23*s24)/(4*s12*s124*s34) + (2*s13*s23*s24)/(s12^2*s123*s34) + 
   (4*s13*s23*s24)/(s12*s123*s134*s34) - (D*s13*s23*s24)/
    (2*s12*s123*s134*s34) + (s13*s23*s24)/(s12*s124*s134*s34) - 
   (D*s13*s23*s24)/(4*s12*s124*s134*s34) - (s14*s23*s24)/(2*s12^2*s123*s34) - 
   (s14*s23*s24)/(2*s12^2*s124*s34) - (D*s14*s23*s24)/(2*s12*s123*s134*s34) + 
   (s14*s23*s24)/(s12*s124*s134*s34) - (D*s14*s23*s24)/
    (4*s12*s124*s134*s34) - (D*s24)/(4*s234*s34) + 
   (2*s13*s24)/(s12*s234*s34) - (D*s13*s24)/(4*s12*s234*s34) - 
   (2*s13*s24)/(s124*s234*s34) + (s13^2*s24)/(s12*s123*s234*s34) - 
   (D*s13^2*s24)/(4*s12*s123*s234*s34) - (D*s13^2*s24)/
    (2*s12*s124*s234*s34) - (s12*s24)/(s134*s234*s34) + 
   (4*s13*s24)/(s134*s234*s34) - (D*s13*s24)/(2*s134*s234*s34) + 
   (s14*s24)/(s12*s234*s34) - (D*s14*s24)/(4*s12*s234*s34) + 
   (s13*s14*s24)/(s12*s123*s234*s34) - (D*s13*s14*s24)/
    (4*s12*s123*s234*s34) - (D*s13*s14*s24)/(2*s12*s124*s234*s34) + 
   (2*s14*s24)/(s134*s234*s34) - (D*s14*s24)/(2*s134*s234*s34) - 
   (s23*s24)/(s123*s234*s34) + (s13*s23*s24)/(s12*s123*s234*s34) - 
   (D*s13*s23*s24)/(4*s12*s123*s234*s34) - (D*s13*s23*s24)/
    (2*s12*s124*s234*s34) + (s14*s23*s24)/(s12*s123*s234*s34) - 
   (D*s14*s23*s24)/(4*s12*s123*s234*s34) - (D*s14*s23*s24)/
    (2*s12*s124*s234*s34) + (s13*s24^2)/(s12^2*s123*s34) + 
   (2*s13*s24^2)/(s12*s123*s134*s34) - (2*s13*s24^2)/(s12*s124*s234*s34) - 
   (D*s34)/(4*s12*s123) - (D*s34)/(4*s12*s124) - s34/(s123*s124) + 
   (s13*s34)/(2*s12^2*s123) + (2*s13*s34)/(s12*s123*s124) - 
   (D*s13*s34)/(2*s12*s123*s124) - (D*s34)/(2*s123*s134) - s34/(s124*s134) + 
   (D*s34)/(4*s124*s134) + (s14*s34)/(2*s12^2*s124) - 
   (s14*s34)/(s12*s123*s124) - (s13*s14*s34)/(s12^2*s123*s124) - 
   (s14*s34)/(s12*s124*s134) + (s23*s34)/(s12*s123*s124) - 
   (D*s23*s34)/(2*s12*s123*s124) - s34/(s123*s234) + (D*s34)/(4*s123*s234) - 
   (D*s34)/(2*s124*s234) - (s13*s34)/(s12*s123*s234) - 
   (s24*s34)/(s12*s123*s124) + (s13*s24*s34)/(s12^2*s123*s124) - 
   s34^2/(s12*s123*s124) + z1/(s12*z12) - (s13*z1)/(s12^2*z12) + 
   (3*s13*z1)/(2*s12*s123*z12) + (s13*z1)/(s12*s124*z12) + 
   (s13*z1)/(s123*s124*z12) + (3*s13^2*z1)/(2*s12^2*s123*z12) + 
   (s13^2*z1)/(s12*s123*s124*z12) - (s12*z1)/(s123*s134*z12) + 
   (s12*z1)/(2*s124*s134*z12) - (3*s13*z1)/(4*s12*s134*z12) - 
   (s13*z1)/(2*s124*s134*z12) + (s13^2*z1)/(s12*s123*s134*z12) - 
   (s14*z1)/(s12^2*z12) - (s14*z1)/(2*s12*s124*z12) + 
   (2*s13*s14*z1)/(s12*s123*s124*z12) + (s13^2*s14*z1)/
    (s12^2*s123*s124*z12) - (3*s14*z1)/(4*s12*s134*z12) - 
   (s14*z1)/(s123*s134*z12) + (s14*z1)/(s124*s134*z12) - 
   (s13*s14*z1)/(s12*s123*s134*z12) - (s13*s14*z1)/(2*s12*s124*s134*z12) - 
   (s14^2*z1)/(2*s12^2*s124*z12) + (s13*s14^2*z1)/(s12^2*s123*s124*z12) + 
   (s14^2*z1)/(2*s12*s124*s134*z12) - (2*s23*z1)/(s12^2*z12) + 
   (3*s13*s23*z1)/(2*s12^2*s123*z12) + (s13*s23*z1)/(s12*s123*s124*z12) - 
   (3*s23*z1)/(4*s12*s134*z12) - (2*s23*z1)/(s123*s134*z12) + 
   (s23*z1)/(2*s124*s134*z12) - (3*s14*s23*z1)/(2*s12^2*s123*z12) + 
   (s13*s14*s23*z1)/(s12^2*s123*s124*z12) - 
   (s14*s23*z1)/(s12*s123*s134*z12) + (s14*s23*z1)/(2*s12*s124*s134*z12) - 
   (s23^2*z1)/(s12*s123*s134*z12) + (s12*z1)/(2*s123*s234*z12) - 
   (s12*z1)/(s124*s234*z12) - (s13*z1)/(4*s12*s234*z12) + 
   (s13*z1)/(s123*s234*z12) - (s13*z1)/(s124*s234*z12) + 
   (s13^2*z1)/(2*s12*s123*s234*z12) - (s14*z1)/(4*s12*s234*z12) + 
   (s14*z1)/(2*s123*s234*z12) - (2*s14*z1)/(s124*s234*z12) + 
   (s13*s14*z1)/(2*s12*s123*s234*z12) - (s13*s14*z1)/(s12*s124*s234*z12) - 
   (s14^2*z1)/(s12*s124*s234*z12) - (3*s23*z1)/(4*s12*s234*z12) + 
   (s23*z1)/(s124*s234*z12) + (s14*s23*z1)/(2*s12*s123*s234*z12) + 
   (s14*s23*z1)/(s12*s124*s234*z12) - (s23^2*z1)/(2*s12*s123*s234*z12) - 
   (2*s24*z1)/(s12^2*z12) - (s24*z1)/(s12*s124*z12) + 
   (s13*s24*z1)/(2*s12^2*s123*z12) + (2*s13*s24*z1)/(s12*s123*s124*z12) + 
   (s13^2*s24*z1)/(s12^2*s123*s124*z12) - (3*s24*z1)/(4*s12*s134*z12) - 
   (s24*z1)/(s123*s134*z12) + (s24*z1)/(s124*s134*z12) - 
   (s13*s24*z1)/(s12*s123*s134*z12) - (s13*s24*z1)/(2*s12*s124*s134*z12) - 
   (3*s14*s24*z1)/(2*s12^2*s124*z12) + (2*s13*s14*s24*z1)/
    (s12^2*s123*s124*z12) + (s14*s24*z1)/(s12*s124*s134*z12) - 
   (s23*s24*z1)/(s12^2*s123*z12) + (s13*s23*s24*z1)/(s12^2*s123*s124*z12) - 
   (s23*s24*z1)/(s12*s123*s134*z12) + (s23*s24*z1)/(2*s12*s124*s134*z12) - 
   (3*s24*z1)/(4*s12*s234*z12) + (s24*z1)/(2*s123*s234*z12) - 
   (2*s24*z1)/(s124*s234*z12) + (s13*s24*z1)/(2*s12*s123*s234*z12) - 
   (s13*s24*z1)/(s12*s124*s234*z12) - (2*s14*s24*z1)/(s12*s124*s234*z12) + 
   (s23*s24*z1)/(2*s12*s123*s234*z12) + (s23*s24*z1)/(s12*s124*s234*z12) - 
   (s24^2*z1)/(s12^2*s124*z12) + (s13*s24^2*z1)/(s12^2*s123*s124*z12) + 
   (s24^2*z1)/(2*s12*s124*s134*z12) - (s24^2*z1)/(s12*s124*s234*z12) + 
   (2*s13*z1)/(s34^2*z12) + (4*s13^2*z1)/(s12*s34^2*z12) + 
   (2*s13^3*z1)/(s12^2*s34^2*z12) + (s12*s13*z1)/(s134*s34^2*z12) + 
   (2*s13^2*z1)/(s134*s34^2*z12) + (s13^3*z1)/(s12*s134*s34^2*z12) + 
   (2*s13*s14*z1)/(s12*s34^2*z12) + (2*s13^2*s14*z1)/(s12^2*s34^2*z12) + 
   (s13*s14*z1)/(s134*s34^2*z12) + (s13^2*s14*z1)/(s12*s134*s34^2*z12) + 
   (s23*z1)/(s34^2*z12) + (7*s13*s23*z1)/(s12*s34^2*z12) + 
   (6*s13^2*s23*z1)/(s12^2*s34^2*z12) + (9*s13*s23*z1)/(4*s134*s34^2*z12) + 
   (9*s13^2*s23*z1)/(4*s12*s134*s34^2*z12) + (3*s13*s14*s23*z1)/
    (s12^2*s34^2*z12) - (3*s14*s23*z1)/(4*s134*s34^2*z12) + 
   (s13*s14*s23*z1)/(2*s12*s134*s34^2*z12) - 
   (s14^2*s23*z1)/(s12^2*s34^2*z12) - (3*s14^2*s23*z1)/
    (4*s12*s134*s34^2*z12) + (3*s23^2*z1)/(s12*s34^2*z12) + 
   (6*s13*s23^2*z1)/(s12^2*s34^2*z12) + (s23^2*z1)/(4*s134*s34^2*z12) + 
   (3*s13*s23^2*z1)/(2*s12*s134*s34^2*z12) + 
   (s14*s23^2*z1)/(s12^2*s34^2*z12) - (s14*s23^2*z1)/(2*s12*s134*s34^2*z12) + 
   (2*s23^3*z1)/(s12^2*s34^2*z12) + (s23^3*z1)/(4*s12*s134*s34^2*z12) + 
   (s12*s23*z1)/(s234*s34^2*z12) + (9*s13*s23*z1)/(4*s234*s34^2*z12) + 
   (5*s13^2*s23*z1)/(4*s12*s234*s34^2*z12) + 
   (5*s14*s23*z1)/(4*s234*s34^2*z12) + (3*s13*s14*s23*z1)/
    (2*s12*s234*s34^2*z12) + (s14^2*s23*z1)/(4*s12*s234*s34^2*z12) + 
   (9*s23^2*z1)/(4*s234*s34^2*z12) + (5*s13*s23^2*z1)/
    (2*s12*s234*s34^2*z12) + (3*s14*s23^2*z1)/(2*s12*s234*s34^2*z12) + 
   (5*s23^3*z1)/(4*s12*s234*s34^2*z12) + (3*s13*s24*z1)/(s12*s34^2*z12) + 
   (3*s13^2*s24*z1)/(s12^2*s34^2*z12) + (3*s13*s24*z1)/(2*s134*s34^2*z12) + 
   (3*s13^2*s24*z1)/(2*s12*s134*s34^2*z12) + (s13*s14*s24*z1)/
    (s12^2*s34^2*z12) + (s13*s14*s24*z1)/(2*s12*s134*s34^2*z12) + 
   (s23*s24*z1)/(s12*s34^2*z12) + (5*s13*s23*s24*z1)/(s12^2*s34^2*z12) - 
   (s23*s24*z1)/(4*s134*s34^2*z12) + (3*s13*s23*s24*z1)/
    (2*s12*s134*s34^2*z12) - (s14*s23*s24*z1)/(s12^2*s34^2*z12) - 
   (s14*s23*s24*z1)/(s12*s134*s34^2*z12) + (2*s23^2*s24*z1)/
    (s12^2*s34^2*z12) - (s13*s24*z1)/(2*s234*s34^2*z12) - 
   (s13^2*s24*z1)/(2*s12*s234*s34^2*z12) - (s13*s14*s24*z1)/
    (2*s12*s234*s34^2*z12) + (3*s23*s24*z1)/(4*s234*s34^2*z12) + 
   (s13*s23*s24*z1)/(2*s12*s234*s34^2*z12) + 
   (s23^2*s24*z1)/(s12*s234*s34^2*z12) + (s13*s24^2*z1)/(s12^2*s34^2*z12) + 
   (s13*s24^2*z1)/(2*s12*s134*s34^2*z12) - 
   (s23*s24^2*z1)/(4*s12*s134*s34^2*z12) - 
   (s13*s24^2*z1)/(2*s12*s234*s34^2*z12) - 
   (s23*s24^2*z1)/(4*s12*s234*s34^2*z12) + z1/(s34*z12) + 
   (2*s13*z1)/(s12*s34*z12) + (2*s13*z1)/(s123*s34*z12) + 
   (s13*z1)/(s124*s34*z12) + (s13^2*z1)/(s12^2*s34*z12) + 
   (4*s13^2*z1)/(s12*s123*s34*z12) + (s13^2*z1)/(s12*s124*s34*z12) + 
   (2*s13^3*z1)/(s12^2*s123*s34*z12) + (s13*z1)/(4*s134*s34*z12) + 
   (2*s12*s13*z1)/(s123*s134*s34*z12) - (s12*s13*z1)/(s124*s134*s34*z12) + 
   (s13^2*z1)/(4*s12*s134*s34*z12) + (4*s13^2*z1)/(s123*s134*s34*z12) - 
   (s13^2*z1)/(s124*s134*s34*z12) + (2*s13^3*z1)/(s12*s123*s134*s34*z12) - 
   (2*s13*s14*z1)/(s12^2*s34*z12) + (5*s13*s14*z1)/(2*s12*s123*s34*z12) + 
   (3*s13*s14*z1)/(2*s12*s124*s34*z12) + (5*s13^2*s14*z1)/
    (2*s12^2*s123*s34*z12) + (s13^2*s14*z1)/(2*s12^2*s124*s34*z12) - 
   (3*s14*z1)/(4*s134*s34*z12) - (3*s13*s14*z1)/(2*s12*s134*s34*z12) + 
   (2*s13*s14*z1)/(s123*s134*s34*z12) - (2*s13*s14*z1)/(s124*s134*s34*z12) + 
   (2*s13^2*s14*z1)/(s12*s123*s134*s34*z12) - 
   (s13^2*s14*z1)/(s12*s124*s134*s34*z12) - (s14^2*z1)/(s12^2*s34*z12) + 
   (s13*s14^2*z1)/(2*s12^2*s123*s34*z12) + 
   (s13*s14^2*z1)/(2*s12^2*s124*s34*z12) - 
   (3*s14^2*z1)/(4*s12*s134*s34*z12) - (s13*s14^2*z1)/
    (s12*s124*s134*s34*z12) + (s23*z1)/(s123*s34*z12) + 
   (s13*s23*z1)/(s12^2*s34*z12) + (6*s13*s23*z1)/(s12*s123*s34*z12) + 
   (s13*s23*z1)/(s12*s124*s34*z12) + (5*s13^2*s23*z1)/(s12^2*s123*s34*z12) - 
   (3*s23*z1)/(4*s134*s34*z12) - (s13*s23*z1)/(4*s12*s134*s34*z12) + 
   (4*s13*s23*z1)/(s123*s134*s34*z12) - (s13*s23*z1)/(s124*s134*s34*z12) + 
   (4*s13^2*s23*z1)/(s12*s123*s134*s34*z12) - 
   (4*s14*s23*z1)/(s12^2*s34*z12) + (s14*s23*z1)/(2*s12*s123*s34*z12) + 
   (s14*s23*z1)/(2*s12*s124*s34*z12) + (3*s13*s14*s23*z1)/
    (s12^2*s123*s34*z12) + (s13*s14*s23*z1)/(s12^2*s124*s34*z12) - 
   (9*s14*s23*z1)/(4*s12*s134*s34*z12) + (2*s13*s14*s23*z1)/
    (s12*s123*s134*s34*z12) - (s13*s14*s23*z1)/(s12*s124*s134*s34*z12) - 
   (s14^2*s23*z1)/(2*s12^2*s123*s34*z12) + 
   (s14^2*s23*z1)/(2*s12^2*s124*s34*z12) + (2*s23^2*z1)/(s12*s123*s34*z12) + 
   (4*s13*s23^2*z1)/(s12^2*s123*s34*z12) - (s23^2*z1)/(2*s12*s134*s34*z12) + 
   (2*s13*s23^2*z1)/(s12*s123*s134*s34*z12) + 
   (s14*s23^2*z1)/(2*s12^2*s123*s34*z12) + 
   (s14*s23^2*z1)/(2*s12^2*s124*s34*z12) + (s23^3*z1)/(s12^2*s123*s34*z12) - 
   (s13*z1)/(4*s234*s34*z12) - (s13^2*z1)/(4*s12*s234*s34*z12) - 
   (s14*z1)/(4*s234*s34*z12) - (s13*s14*z1)/(2*s12*s234*s34*z12) - 
   (s14^2*z1)/(4*s12*s234*s34*z12) + (s23*z1)/(4*s234*s34*z12) - 
   (s12*s23*z1)/(s123*s234*s34*z12) + (2*s12*s23*z1)/(s124*s234*s34*z12) + 
   (s13*s23*z1)/(4*s12*s234*s34*z12) - (2*s13*s23*z1)/(s123*s234*s34*z12) + 
   (2*s13*s23*z1)/(s124*s234*s34*z12) - (s13^2*s23*z1)/
    (s12*s123*s234*s34*z12) - (3*s14*s23*z1)/(4*s12*s234*s34*z12) - 
   (s14*s23*z1)/(s123*s234*s34*z12) + (4*s14*s23*z1)/(s124*s234*s34*z12) - 
   (s13*s14*s23*z1)/(s12*s123*s234*s34*z12) + (2*s13*s14*s23*z1)/
    (s12*s124*s234*s34*z12) + (2*s14^2*s23*z1)/(s12*s124*s234*s34*z12) + 
   (s23^2*z1)/(2*s12*s234*s34*z12) - (2*s23^2*z1)/(s123*s234*s34*z12) + 
   (2*s23^2*z1)/(s124*s234*s34*z12) - (2*s13*s23^2*z1)/
    (s12*s123*s234*s34*z12) - (s14*s23^2*z1)/(s12*s123*s234*s34*z12) + 
   (2*s14*s23^2*z1)/(s12*s124*s234*s34*z12) - 
   (s23^3*z1)/(s12*s123*s234*s34*z12) - (s24*z1)/(s12*s34*z12) - 
   (2*s13*s24*z1)/(s12^2*s34*z12) + (3*s13*s24*z1)/(s12*s123*s34*z12) + 
   (2*s13*s24*z1)/(s12*s124*s34*z12) + (3*s13^2*s24*z1)/
    (s12^2*s123*s34*z12) + (s13^2*s24*z1)/(s12^2*s124*s34*z12) - 
   (3*s24*z1)/(4*s134*s34*z12) - (s13*s24*z1)/(s12*s134*s34*z12) + 
   (2*s13*s24*z1)/(s123*s134*s34*z12) - (2*s13*s24*z1)/(s124*s134*s34*z12) + 
   (2*s13^2*s24*z1)/(s12*s123*s134*s34*z12) - 
   (s13^2*s24*z1)/(s12*s124*s134*s34*z12) - (3*s14*s24*z1)/(s12^2*s34*z12) + 
   (3*s13*s14*s24*z1)/(2*s12^2*s123*s34*z12) + 
   (3*s13*s14*s24*z1)/(2*s12^2*s124*s34*z12) - 
   (3*s14*s24*z1)/(2*s12*s134*s34*z12) - (2*s13*s14*s24*z1)/
    (s12*s124*s134*s34*z12) - (4*s23*s24*z1)/(s12^2*s34*z12) + 
   (s23*s24*z1)/(s12*s123*s34*z12) + (s23*s24*z1)/(s12*s124*s34*z12) + 
   (4*s13*s23*s24*z1)/(s12^2*s123*s34*z12) + (2*s13*s23*s24*z1)/
    (s12^2*s124*s34*z12) - (7*s23*s24*z1)/(4*s12*s134*s34*z12) + 
   (2*s13*s23*s24*z1)/(s12*s123*s134*s34*z12) - 
   (s13*s23*s24*z1)/(s12*s124*s134*s34*z12) - 
   (s14*s23*s24*z1)/(2*s12^2*s123*s34*z12) + (3*s14*s23*s24*z1)/
    (2*s12^2*s124*s34*z12) + (s23^2*s24*z1)/(s12^2*s123*s34*z12) + 
   (s23^2*s24*z1)/(s12^2*s124*s34*z12) - (3*s24*z1)/(4*s234*s34*z12) - 
   (3*s13*s24*z1)/(2*s12*s234*s34*z12) - (s14*s24*z1)/(s12*s234*s34*z12) - 
   (7*s23*s24*z1)/(4*s12*s234*s34*z12) - (s23*s24*z1)/(s123*s234*s34*z12) + 
   (4*s23*s24*z1)/(s124*s234*s34*z12) - (s13*s23*s24*z1)/
    (s12*s123*s234*s34*z12) + (2*s13*s23*s24*z1)/(s12*s124*s234*s34*z12) + 
   (4*s14*s23*s24*z1)/(s12*s124*s234*s34*z12) - 
   (s23^2*s24*z1)/(s12*s123*s234*s34*z12) + (2*s23^2*s24*z1)/
    (s12*s124*s234*s34*z12) - (2*s24^2*z1)/(s12^2*s34*z12) + 
   (s13*s24^2*z1)/(s12^2*s123*s34*z12) + (s13*s24^2*z1)/
    (s12^2*s124*s34*z12) - (3*s24^2*z1)/(4*s12*s134*s34*z12) - 
   (s13*s24^2*z1)/(s12*s124*s134*s34*z12) + 
   (s23*s24^2*z1)/(s12^2*s124*s34*z12) - (3*s24^2*z1)/(4*s12*s234*s34*z12) + 
   (2*s23*s24^2*z1)/(s12*s124*s234*s34*z12) - 
   (s13*s34*z1)/(2*s12^2*s123*z12) + (s13*s34*z1)/(s12*s123*s124*z12) - 
   (s34*z1)/(s123*s134*z12) + (s34*z1)/(2*s124*s134*z12) - 
   (s13*s34*z1)/(s12*s123*s134*z12) - (s14*s34*z1)/(2*s12^2*s124*z12) + 
   (s13*s14*s34*z1)/(s12^2*s123*s124*z12) + 
   (s14*s34*z1)/(2*s12*s124*s134*z12) - (s23*s34*z1)/(s12^2*s123*z12) - 
   (s23*s34*z1)/(s12*s123*s134*z12) + (s34*z1)/(2*s123*s234*z12) - 
   (s34*z1)/(s124*s234*z12) + (s13*s34*z1)/(2*s12*s123*s234*z12) - 
   (s14*s34*z1)/(s12*s124*s234*z12) + (s23*s34*z1)/(2*s12*s123*s234*z12) - 
   (s24*s34*z1)/(s12^2*s124*z12) + (s13*s24*s34*z1)/(s12^2*s123*s124*z12) + 
   (s24*s34*z1)/(2*s12*s124*s134*z12) - (s24*s34*z1)/(s12*s124*s234*z12) + 
   (z1*z2)/(s123*z12^2) + (z1*z2)/(s124*z12^2) + 
   (2*s13*z1*z2)/(s12^2*z12^2) + (s13*z1*z2)/(s12*s123*z12^2) + 
   (2*s14*z1*z2)/(s12^2*z12^2) + (s14*z1*z2)/(s12*s123*z12^2) + 
   (2*s14*z1*z2)/(s12*s124*z12^2) + (s13*s14*z1*z2)/(s12^2*s123*z12^2) + 
   (s14^2*z1*z2)/(s12^2*s124*z12^2) + (2*s23*z1*z2)/(s12^2*z12^2) + 
   (s23*z1*z2)/(s12*s123*z12^2) + (s14*s23*z1*z2)/(s12^2*s123*z12^2) + 
   (2*s24*z1*z2)/(s12^2*z12^2) + (s24*z1*z2)/(s12*s123*z12^2) + 
   (2*s24*z1*z2)/(s12*s124*z12^2) + (s13*s24*z1*z2)/(s12^2*s123*z12^2) + 
   (2*s14*s24*z1*z2)/(s12^2*s124*z12^2) + (s23*s24*z1*z2)/
    (s12^2*s123*z12^2) + (s24^2*z1*z2)/(s12^2*s124*z12^2) - 
   (2*s13*z1*z2)/(s34^2*z12^2) - (4*s13^2*z1*z2)/(s12*s34^2*z12^2) - 
   (2*s13^3*z1*z2)/(s12^2*s34^2*z12^2) - (2*s13*s14*z1*z2)/
    (s12*s34^2*z12^2) - (2*s13^2*s14*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*s23*z1*z2)/(s34^2*z12^2) - (8*s13*s23*z1*z2)/(s12*s34^2*z12^2) - 
   (6*s13^2*s23*z1*z2)/(s12^2*s34^2*z12^2) - (2*s14*s23*z1*z2)/
    (s12*s34^2*z12^2) - (4*s13*s14*s23*z1*z2)/(s12^2*s34^2*z12^2) - 
   (4*s23^2*z1*z2)/(s12*s34^2*z12^2) - (6*s13*s23^2*z1*z2)/
    (s12^2*s34^2*z12^2) - (2*s14*s23^2*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*s23^3*z1*z2)/(s12^2*s34^2*z12^2) - (2*s13*s24*z1*z2)/
    (s12*s34^2*z12^2) - (2*s13^2*s24*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*s23*s24*z1*z2)/(s12*s34^2*z12^2) - (4*s13*s23*s24*z1*z2)/
    (s12^2*s34^2*z12^2) - (2*s23^2*s24*z1*z2)/(s12^2*s34^2*z12^2) - 
   (s13*z1*z2)/(s123*s34*z12^2) - (s13*z1*z2)/(s124*s34*z12^2) - 
   (2*s13^2*z1*z2)/(s12*s123*s34*z12^2) - 
   (s13^2*z1*z2)/(s12*s124*s34*z12^2) - (s13^3*z1*z2)/
    (s12^2*s123*s34*z12^2) + (2*s14*z1*z2)/(s12*s34*z12^2) + 
   (4*s13*s14*z1*z2)/(s12^2*s34*z12^2) - (s13*s14*z1*z2)/
    (s12*s123*s34*z12^2) - (2*s13*s14*z1*z2)/(s12*s124*s34*z12^2) - 
   (s13^2*s14*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s13^2*s14*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (2*s14^2*z1*z2)/(s12^2*s34*z12^2) - (s13*s14^2*z1*z2)/
    (s12^2*s124*s34*z12^2) - (s23*z1*z2)/(s123*s34*z12^2) - 
   (s23*z1*z2)/(s124*s34*z12^2) - (4*s13*s23*z1*z2)/(s12*s123*s34*z12^2) - 
   (2*s13*s23*z1*z2)/(s12*s124*s34*z12^2) - (3*s13^2*s23*z1*z2)/
    (s12^2*s123*s34*z12^2) + (4*s14*s23*z1*z2)/(s12^2*s34*z12^2) - 
   (s14*s23*z1*z2)/(s12*s123*s34*z12^2) - (2*s14*s23*z1*z2)/
    (s12*s124*s34*z12^2) - (2*s13*s14*s23*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s13*s14*s23*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (s14^2*s23*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (2*s23^2*z1*z2)/(s12*s123*s34*z12^2) - 
   (s23^2*z1*z2)/(s12*s124*s34*z12^2) - (3*s13*s23^2*z1*z2)/
    (s12^2*s123*s34*z12^2) - (s14*s23^2*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s14*s23^2*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (s23^3*z1*z2)/(s12^2*s123*s34*z12^2) + (2*s24*z1*z2)/(s12*s34*z12^2) + 
   (4*s13*s24*z1*z2)/(s12^2*s34*z12^2) - (s13*s24*z1*z2)/
    (s12*s123*s34*z12^2) - (2*s13*s24*z1*z2)/(s12*s124*s34*z12^2) - 
   (s13^2*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s13^2*s24*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (4*s14*s24*z1*z2)/(s12^2*s34*z12^2) - (2*s13*s14*s24*z1*z2)/
    (s12^2*s124*s34*z12^2) + (4*s23*s24*z1*z2)/(s12^2*s34*z12^2) - 
   (s23*s24*z1*z2)/(s12*s123*s34*z12^2) - (2*s23*s24*z1*z2)/
    (s12*s124*s34*z12^2) - (2*s13*s23*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s13*s23*s24*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (2*s14*s23*s24*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (s23^2*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s23^2*s24*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (2*s24^2*z1*z2)/(s12^2*s34*z12^2) - (s13*s24^2*z1*z2)/
    (s12^2*s124*s34*z12^2) - (s23*s24^2*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (s34*z1*z2)/(s12*s123*z12^2) + (s34*z1*z2)/(s12*s124*z12^2) + 
   (s13*s34*z1*z2)/(s12^2*s123*z12^2) + (s14*s34*z1*z2)/(s12^2*s124*z12^2) + 
   (s23*s34*z1*z2)/(s12^2*s123*z12^2) + (s24*s34*z1*z2)/(s12^2*s124*z12^2) - 
   (s13*z2)/(s12^2*z12) - (3*s13*z2)/(2*s12*s123*z12) - 
   (s13*z2)/(s12*s124*z12) - (s13*z2)/(s123*s124*z12) - 
   (3*s13^2*z2)/(2*s12^2*s123*z12) - (s13^2*z2)/(s12*s123*s124*z12) - 
   (s13*z2)/(2*s12*s134*z12) - (s14*z2)/(s12^2*z12) - 
   (s14*z2)/(2*s12*s124*z12) - (s13*s14*z2)/(s12^2*s123*z12) - 
   (2*s13*s14*z2)/(s12*s123*s124*z12) - (s13^2*s14*z2)/
    (s12^2*s123*s124*z12) - (s14*z2)/(2*s12*s134*z12) - 
   (s14^2*z2)/(2*s12^2*s124*z12) - (s13*s14^2*z2)/(s12^2*s123*s124*z12) - 
   (3*s13*s23*z2)/(2*s12^2*s123*z12) - (s13*s23*z2)/(s12*s123*s124*z12) + 
   (s14*s23*z2)/(2*s12^2*s123*z12) - (s13*s14*s23*z2)/(s12^2*s123*s124*z12) - 
   (3*s13*s24*z2)/(2*s12^2*s123*z12) - (2*s13*s24*z2)/(s12*s123*s124*z12) - 
   (s13^2*s24*z2)/(s12^2*s123*s124*z12) - (s14*s24*z2)/(2*s12^2*s124*z12) - 
   (2*s13*s14*s24*z2)/(s12^2*s123*s124*z12) - 
   (s13*s23*s24*z2)/(s12^2*s123*s124*z12) - 
   (s13*s24^2*z2)/(s12^2*s123*s124*z12) - (s13*z2)/(s34^2*z12) - 
   (s13^2*z2)/(s12*s34^2*z12) + (s13^2*z2)/(4*s134*s34^2*z12) + 
   (s13^3*z2)/(4*s12*s134*s34^2*z12) - (s13*s14*z2)/(s12*s34^2*z12) - 
   (s13*s14*z2)/(4*s134*s34^2*z12) - (s13*s14^2*z2)/(4*s12*s134*s34^2*z12) - 
   (s13*s23*z2)/(s12*s34^2*z12) + (s13*s23*z2)/(4*s134*s34^2*z12) + 
   (s13^2*s23*z2)/(2*s12*s134*s34^2*z12) + (s14*s23*z2)/(s12*s34^2*z12) + 
   (s13*s14*s23*z2)/(s12^2*s34^2*z12) + (s14^2*s23*z2)/(s12^2*s34^2*z12) + 
   (s13*s23^2*z2)/(4*s12*s134*s34^2*z12) + (s14*s23^2*z2)/(s12^2*s34^2*z12) + 
   (s13^2*z2)/(4*s234*s34^2*z12) + (s13^3*z2)/(4*s12*s234*s34^2*z12) - 
   (s13*s14*z2)/(4*s234*s34^2*z12) - (s13*s14^2*z2)/(4*s12*s234*s34^2*z12) + 
   (s13*s23*z2)/(4*s234*s34^2*z12) + (s13^2*s23*z2)/(2*s12*s234*s34^2*z12) + 
   (s13*s23^2*z2)/(4*s12*s234*s34^2*z12) - (2*s13*s24*z2)/(s12*s34^2*z12) - 
   (s13^2*s24*z2)/(s12^2*s34^2*z12) - (s13*s24*z2)/(4*s134*s34^2*z12) - 
   (s13*s14*s24*z2)/(s12^2*s34^2*z12) - (s13*s14*s24*z2)/
    (2*s12*s134*s34^2*z12) - (s13*s23*s24*z2)/(s12^2*s34^2*z12) + 
   (s14*s23*s24*z2)/(s12^2*s34^2*z12) - (s13*s24*z2)/(4*s234*s34^2*z12) - 
   (s13*s14*s24*z2)/(2*s12*s234*s34^2*z12) - 
   (s13*s24^2*z2)/(s12^2*s34^2*z12) - (s13*s24^2*z2)/(4*s12*s134*s34^2*z12) - 
   (s13*s24^2*z2)/(4*s12*s234*s34^2*z12) - (2*s13*z2)/(s12*s34*z12) - 
   (s13*z2)/(s123*s34*z12) - (s13*z2)/(s124*s34*z12) - 
   (s13^2*z2)/(s12^2*s34*z12) - (2*s13^2*z2)/(s12*s123*s34*z12) - 
   (s13^2*z2)/(s12*s124*s34*z12) - (s13^3*z2)/(s12^2*s123*s34*z12) - 
   (s13*z2)/(2*s134*s34*z12) - (s13^2*z2)/(4*s12*s134*s34*z12) - 
   (s14*z2)/(s12*s34*z12) - (2*s13*s14*z2)/(s12^2*s34*z12) - 
   (3*s13*s14*z2)/(2*s12*s123*s34*z12) - (s13*s14*z2)/(2*s12*s124*s34*z12) - 
   (3*s13^2*s14*z2)/(2*s12^2*s123*s34*z12) + 
   (s13^2*s14*z2)/(2*s12^2*s124*s34*z12) - (s14*z2)/(2*s134*s34*z12) - 
   (5*s13*s14*z2)/(4*s12*s134*s34*z12) - (s14^2*z2)/(s12^2*s34*z12) - 
   (s13*s14^2*z2)/(2*s12^2*s123*s34*z12) + 
   (s13*s14^2*z2)/(2*s12^2*s124*s34*z12) - (s14^2*z2)/(2*s12*s134*s34*z12) - 
   (s13*s23*z2)/(s12^2*s34*z12) - (2*s13*s23*z2)/(s12*s123*s34*z12) - 
   (s13*s23*z2)/(s12*s124*s34*z12) - (2*s13^2*s23*z2)/(s12^2*s123*s34*z12) - 
   (s13*s23*z2)/(4*s12*s134*s34*z12) + (s14*s23*z2)/(2*s12*s123*s34*z12) + 
   (s14*s23*z2)/(2*s12*s124*s34*z12) - (s13*s14*s23*z2)/
    (s12^2*s123*s34*z12) + (s13*s14*s23*z2)/(s12^2*s124*s34*z12) - 
   (s14*s23*z2)/(2*s12*s134*s34*z12) + (s14^2*s23*z2)/
    (2*s12^2*s123*s34*z12) + (s14^2*s23*z2)/(2*s12^2*s124*s34*z12) - 
   (s13*s23^2*z2)/(s12^2*s123*s34*z12) + (s14*s23^2*z2)/
    (2*s12^2*s123*s34*z12) + (s14*s23^2*z2)/(2*s12^2*s124*s34*z12) + 
   (s13^2*z2)/(4*s12*s234*s34*z12) - (s13*s14*z2)/(4*s12*s234*s34*z12) + 
   (s13*s23*z2)/(4*s12*s234*s34*z12) - (2*s13*s24*z2)/(s12^2*s34*z12) - 
   (2*s13*s24*z2)/(s12*s123*s34*z12) - (s13*s24*z2)/(s12*s124*s34*z12) - 
   (2*s13^2*s24*z2)/(s12^2*s123*s34*z12) - 
   (3*s13*s24*z2)/(4*s12*s134*s34*z12) - (s14*s24*z2)/(s12^2*s34*z12) - 
   (3*s13*s14*s24*z2)/(2*s12^2*s123*s34*z12) + 
   (s13*s14*s24*z2)/(2*s12^2*s124*s34*z12) - 
   (s14*s24*z2)/(2*s12*s134*s34*z12) - (2*s13*s23*s24*z2)/
    (s12^2*s123*s34*z12) + (s14*s23*s24*z2)/(2*s12^2*s123*s34*z12) + 
   (s14*s23*s24*z2)/(2*s12^2*s124*s34*z12) - 
   (s13*s24*z2)/(4*s12*s234*s34*z12) - (s13*s24^2*z2)/(s12^2*s123*s34*z12) - 
   (s13*s34*z2)/(2*s12^2*s123*z12) - (s13*s34*z2)/(s12*s123*s124*z12) - 
   (s14*s34*z2)/(2*s12^2*s124*z12) - (s13*s14*s34*z2)/(s12^2*s123*s124*z12) - 
   (s13*s24*s34*z2)/(s12^2*s123*s124*z12) + z3/(s12*z12) + 
   (3*z3)/(2*s123*z12) + z3/(s124*z12) + (s12*z3)/(s123*s124*z12) + 
   (3*s13*z3)/(2*s12*s123*z12) + (s13*z3)/(s123*s124*z12) + z3/(2*s134*z12) + 
   (3*s14*z3)/(2*s12*s123*z12) + (2*s14*z3)/(s123*s124*z12) + 
   (s13*s14*z3)/(s12*s123*s124*z12) - (s14*z3)/(s123*s134*z12) + 
   (s14*z3)/(2*s124*s134*z12) - (s13*s14*z3)/(s12*s123*s134*z12) + 
   (s14^2*z3)/(s12*s123*s124*z12) + (s14^2*z3)/(2*s12*s124*s134*z12) + 
   (3*s23*z3)/(2*s12*s123*z12) + (s23*z3)/(s123*s124*z12) + 
   (s14*s23*z3)/(s12*s123*s124*z12) - (s14*s23*z3)/(s12*s123*s134*z12) - 
   (s14*z3)/(2*s123*s234*z12) + (s14*z3)/(s124*s234*z12) - 
   (s13*s14*z3)/(2*s12*s123*s234*z12) + (s14^2*z3)/(s12*s124*s234*z12) - 
   (s14*s23*z3)/(2*s12*s123*s234*z12) + (3*s24*z3)/(2*s12*s123*z12) + 
   (2*s24*z3)/(s123*s124*z12) + (s13*s24*z3)/(s12*s123*s124*z12) + 
   (2*s14*s24*z3)/(s12*s123*s124*z12) + (s14*s24*z3)/(2*s12*s124*s134*z12) + 
   (s23*s24*z3)/(s12*s123*s124*z12) + (s14*s24*z3)/(s12*s124*s234*z12) + 
   (s24^2*z3)/(s12*s123*s124*z12) + (s12*z3)/(s34^2*z12) + 
   (s13*z3)/(s34^2*z12) - (s12*s13*z3)/(4*s134*s34^2*z12) - 
   (s13^2*z3)/(4*s134*s34^2*z12) + (2*s14*z3)/(s34^2*z12) + 
   (s13*s14*z3)/(s12*s34^2*z12) - (s12*s14*z3)/(4*s134*s34^2*z12) - 
   (5*s13*s14*z3)/(4*s134*s34^2*z12) - (3*s13^2*s14*z3)/
    (4*s12*s134*s34^2*z12) + (s14^2*z3)/(s12*s34^2*z12) - 
   (s14^2*z3)/(2*s134*s34^2*z12) - (s13*s14^2*z3)/(s12*s134*s34^2*z12) - 
   (s14^3*z3)/(4*s12*s134*s34^2*z12) + (s23*z3)/(s34^2*z12) - 
   (s12*s23*z3)/(4*s134*s34^2*z12) - (s13*s23*z3)/(2*s134*s34^2*z12) + 
   (s14*s23*z3)/(s12*s34^2*z12) - (5*s14*s23*z3)/(4*s134*s34^2*z12) - 
   (3*s13*s14*s23*z3)/(2*s12*s134*s34^2*z12) - 
   (s14^2*s23*z3)/(s12*s134*s34^2*z12) - (s23^2*z3)/(4*s134*s34^2*z12) - 
   (3*s14*s23^2*z3)/(4*s12*s134*s34^2*z12) - 
   (s12*s13*z3)/(4*s234*s34^2*z12) - (s13^2*z3)/(4*s234*s34^2*z12) + 
   (3*s12*s14*z3)/(4*s234*s34^2*z12) + (5*s13*s14*z3)/(4*s234*s34^2*z12) + 
   (3*s13^2*s14*z3)/(4*s12*s234*s34^2*z12) + (s14^2*z3)/(s234*s34^2*z12) + 
   (s13*s14^2*z3)/(s12*s234*s34^2*z12) + (s14^3*z3)/(4*s12*s234*s34^2*z12) - 
   (s12*s23*z3)/(4*s234*s34^2*z12) - (s13*s23*z3)/(2*s234*s34^2*z12) + 
   (5*s14*s23*z3)/(4*s234*s34^2*z12) + (3*s13*s14*s23*z3)/
    (2*s12*s234*s34^2*z12) + (s14^2*s23*z3)/(s12*s234*s34^2*z12) - 
   (s23^2*z3)/(4*s234*s34^2*z12) + (3*s14*s23^2*z3)/(4*s12*s234*s34^2*z12) + 
   (2*s24*z3)/(s34^2*z12) + (s13*s24*z3)/(s12*s34^2*z12) + 
   (s12*s24*z3)/(4*s134*s34^2*z12) + (2*s14*s24*z3)/(s12*s34^2*z12) - 
   (s14*s24*z3)/(4*s134*s34^2*z12) - (s13*s14*s24*z3)/(s12*s134*s34^2*z12) - 
   (s14^2*s24*z3)/(2*s12*s134*s34^2*z12) + (s23*s24*z3)/(s12*s34^2*z12) - 
   (s14*s23*s24*z3)/(s12*s134*s34^2*z12) + (s12*s24*z3)/(4*s234*s34^2*z12) + 
   (5*s14*s24*z3)/(4*s234*s34^2*z12) + (s13*s14*s24*z3)/
    (s12*s234*s34^2*z12) + (s14^2*s24*z3)/(2*s12*s234*s34^2*z12) + 
   (s14*s23*s24*z3)/(s12*s234*s34^2*z12) + (s24^2*z3)/(s12*s34^2*z12) + 
   (s24^2*z3)/(4*s134*s34^2*z12) - (s14*s24^2*z3)/(4*s12*s134*s34^2*z12) + 
   (s24^2*z3)/(4*s234*s34^2*z12) + (s14*s24^2*z3)/(4*s12*s234*s34^2*z12) + 
   (2*z3)/(s34*z12) + (s12*z3)/(s123*s34*z12) + (s12*z3)/(s124*s34*z12) + 
   (s13*z3)/(s12*s34*z12) + (2*s13*z3)/(s123*s34*z12) + 
   (s13*z3)/(s124*s34*z12) + (s13^2*z3)/(s12*s123*s34*z12) + 
   (s12*z3)/(2*s134*s34*z12) + (s13*z3)/(4*s134*s34*z12) + 
   (2*s14*z3)/(s12*s34*z12) + (2*s14*z3)/(s123*s34*z12) + 
   (s14*z3)/(s124*s34*z12) + (2*s13*s14*z3)/(s12*s123*s34*z12) + 
   (s14*z3)/(4*s134*s34*z12) - (s12*s14*z3)/(s123*s134*s34*z12) + 
   (s12*s14*z3)/(2*s124*s134*s34*z12) - (3*s13*s14*z3)/(4*s12*s134*s34*z12) - 
   (2*s13*s14*z3)/(s123*s134*s34*z12) + (s13*s14*z3)/(2*s124*s134*s34*z12) - 
   (s13^2*s14*z3)/(s12*s123*s134*s34*z12) + (s14^2*z3)/(s12*s123*s34*z12) - 
   (s14^2*z3)/(4*s12*s134*s34*z12) - (s14^2*z3)/(s123*s134*s34*z12) + 
   (s14^2*z3)/(s124*s134*s34*z12) - (s13*s14^2*z3)/(s12*s123*s134*s34*z12) + 
   (s13*s14^2*z3)/(2*s12*s124*s134*s34*z12) + 
   (s14^3*z3)/(2*s12*s124*s134*s34*z12) + (s23*z3)/(s12*s34*z12) + 
   (2*s23*z3)/(s123*s34*z12) + (s23*z3)/(s124*s34*z12) + 
   (2*s13*s23*z3)/(s12*s123*s34*z12) + (s23*z3)/(4*s134*s34*z12) + 
   (2*s14*s23*z3)/(s12*s123*s34*z12) - (3*s14*s23*z3)/(4*s12*s134*s34*z12) - 
   (2*s14*s23*z3)/(s123*s134*s34*z12) + (s14*s23*z3)/(2*s124*s134*s34*z12) - 
   (2*s13*s14*s23*z3)/(s12*s123*s134*s34*z12) - 
   (s14^2*s23*z3)/(s12*s123*s134*s34*z12) + 
   (s14^2*s23*z3)/(2*s12*s124*s134*s34*z12) + (s23^2*z3)/(s12*s123*s34*z12) - 
   (s14*s23^2*z3)/(s12*s123*s134*s34*z12) - (s13*z3)/(4*s234*s34*z12) + 
   (3*s14*z3)/(4*s234*s34*z12) - (s12*s14*z3)/(2*s123*s234*s34*z12) + 
   (s12*s14*z3)/(s124*s234*s34*z12) + (3*s13*s14*z3)/(4*s12*s234*s34*z12) - 
   (s13*s14*z3)/(s123*s234*s34*z12) + (s13*s14*z3)/(s124*s234*s34*z12) - 
   (s13^2*s14*z3)/(2*s12*s123*s234*s34*z12) + 
   (s14^2*z3)/(4*s12*s234*s34*z12) - (s14^2*z3)/(2*s123*s234*s34*z12) + 
   (2*s14^2*z3)/(s124*s234*s34*z12) - (s13*s14^2*z3)/
    (2*s12*s123*s234*s34*z12) + (s13*s14^2*z3)/(s12*s124*s234*s34*z12) + 
   (s14^3*z3)/(s12*s124*s234*s34*z12) - (s23*z3)/(4*s234*s34*z12) + 
   (3*s14*s23*z3)/(4*s12*s234*s34*z12) - (s14*s23*z3)/(s123*s234*s34*z12) + 
   (s14*s23*z3)/(s124*s234*s34*z12) - (s13*s14*s23*z3)/
    (s12*s123*s234*s34*z12) - (s14^2*s23*z3)/(2*s12*s123*s234*s34*z12) + 
   (s14^2*s23*z3)/(s12*s124*s234*s34*z12) - 
   (s14*s23^2*z3)/(2*s12*s123*s234*s34*z12) + (2*s24*z3)/(s12*s34*z12) + 
   (2*s24*z3)/(s123*s34*z12) + (s24*z3)/(s124*s34*z12) + 
   (2*s13*s24*z3)/(s12*s123*s34*z12) + (3*s24*z3)/(4*s134*s34*z12) + 
   (2*s14*s24*z3)/(s12*s123*s34*z12) - (s14*s24*z3)/(4*s12*s134*s34*z12) - 
   (s14*s24*z3)/(s123*s134*s34*z12) + (s14*s24*z3)/(s124*s134*s34*z12) - 
   (s13*s14*s24*z3)/(s12*s123*s134*s34*z12) + 
   (s13*s14*s24*z3)/(2*s12*s124*s134*s34*z12) + 
   (s14^2*s24*z3)/(s12*s124*s134*s34*z12) + 
   (2*s23*s24*z3)/(s12*s123*s34*z12) - (s14*s23*s24*z3)/
    (s12*s123*s134*s34*z12) + (s14*s23*s24*z3)/(2*s12*s124*s134*s34*z12) + 
   (s24*z3)/(4*s234*s34*z12) + (s14*s24*z3)/(4*s12*s234*s34*z12) - 
   (s14*s24*z3)/(2*s123*s234*s34*z12) + (2*s14*s24*z3)/(s124*s234*s34*z12) - 
   (s13*s14*s24*z3)/(2*s12*s123*s234*s34*z12) + 
   (s13*s14*s24*z3)/(s12*s124*s234*s34*z12) + 
   (2*s14^2*s24*z3)/(s12*s124*s234*s34*z12) - 
   (s14*s23*s24*z3)/(2*s12*s123*s234*s34*z12) + 
   (s14*s23*s24*z3)/(s12*s124*s234*s34*z12) + (s24^2*z3)/(s12*s123*s34*z12) + 
   (s14*s24^2*z3)/(2*s12*s124*s134*s34*z12) + 
   (s14*s24^2*z3)/(s12*s124*s234*s34*z12) + (s34*z3)/(2*s12*s123*z12) + 
   (s34*z3)/(s123*s124*z12) + (s14*s34*z3)/(s12*s123*s124*z12) + 
   (s24*s34*z3)/(s12*s123*s124*z12) + (2*z1)/(s12*z34) + z1/(2*s123*z34) + 
   (s13*z1)/(s12^2*z34) + (s13*z1)/(4*s12*s123*z34) - 
   (s13*z1)/(4*s12*s124*z34) - (s13^2*z1)/(4*s12^2*s123*z34) - 
   (s13^2*z1)/(4*s12^2*s124*z34) + (3*z1)/(2*s134*z34) + 
   (2*s13*z1)/(s12*s134*z34) + (s14*z1)/(s12^2*z34) + 
   (s14*z1)/(4*s12*s123*z34) - (s14*z1)/(4*s12*s124*z34) - 
   (s13*s14*z1)/(2*s12^2*s123*z34) - (s13*s14*z1)/(2*s12^2*s124*z34) + 
   (2*s14*z1)/(s12*s134*z34) - (s14^2*z1)/(4*s12^2*s123*z34) - 
   (s14^2*z1)/(4*s12^2*s124*z34) + (2*s23*z1)/(s12^2*z34) + 
   (s23*z1)/(4*s12*s123*z34) + (3*s23*z1)/(4*s12*s124*z34) - 
   (5*s13*s23*z1)/(4*s12^2*s123*z34) + (5*s13*s23*z1)/(4*s12^2*s124*z34) + 
   (2*s23*z1)/(s12*s134*z34) - (s23*z1)/(s123*s134*z34) - 
   (s23*z1)/(2*s124*s134*z34) - (2*s13*s23*z1)/(s12*s123*s134*z34) - 
   (s13*s23*z1)/(s12*s124*s134*z34) - (5*s14*s23*z1)/(4*s12^2*s123*z34) + 
   (5*s14*s23*z1)/(4*s12^2*s124*z34) - (2*s14*s23*z1)/(s12*s123*s134*z34) - 
   (s14*s23*z1)/(s12*s124*s134*z34) - (s23^2*z1)/(2*s12^2*s123*z34) + 
   (s23^2*z1)/(s12^2*s124*z34) - (s23^2*z1)/(s12*s123*s134*z34) - 
   (s23^2*z1)/(2*s12*s124*s134*z34) + z1/(s234*z34) + 
   (s13*z1)/(s12*s234*z34) + (s12*z1)/(s134*s234*z34) + 
   (s13*z1)/(s134*s234*z34) + (s14*z1)/(s12*s234*z34) + 
   (s14*z1)/(s134*s234*z34) + (s23*z1)/(s12*s234*z34) + 
   (s23*z1)/(2*s123*s234*z34) + (s23*z1)/(s124*s234*z34) + 
   (s13*s23*z1)/(2*s12*s123*s234*z34) + (s13*s23*z1)/(s12*s124*s234*z34) + 
   (2*s23*z1)/(s134*s234*z34) + (s14*s23*z1)/(2*s12*s123*s234*z34) + 
   (s14*s23*z1)/(s12*s124*s234*z34) + (s23^2*z1)/(s12*s123*s234*z34) + 
   (2*s23^2*z1)/(s12*s124*s234*z34) + (2*s24*z1)/(s12^2*z34) + 
   (3*s24*z1)/(4*s12*s123*z34) + (s24*z1)/(4*s12*s124*z34) + 
   (2*s24*z1)/(s12*s134*z34) - (s23*s24*z1)/(4*s12^2*s123*z34) + 
   (5*s23*s24*z1)/(4*s12^2*s124*z34) - (s23*s24*z1)/(s12*s123*s134*z34) - 
   (s23*s24*z1)/(2*s12*s124*s134*z34) + (s24*z1)/(s12*s234*z34) + 
   (2*s24*z1)/(s134*s234*z34) + (s23*s24*z1)/(s12*s123*s234*z34) + 
   (2*s23*s24*z1)/(s12*s124*s234*z34) + (s24^2*z1)/(4*s12^2*s123*z34) + 
   (s24^2*z1)/(4*s12^2*s124*z34) + z1/(s34*z34) + (s13*z1)/(s12*s34*z34) + 
   (s12*z1)/(2*s134*s34*z34) + (3*s13*z1)/(2*s134*s34*z34) + 
   (s13^2*z1)/(s12*s134*s34*z34) + (s14*z1)/(s12*s34*z34) + 
   (3*s14*z1)/(2*s134*s34*z34) + (2*s13*s14*z1)/(s12*s134*s34*z34) + 
   (s14^2*z1)/(s12*s134*s34*z34) + (2*s23*z1)/(s12*s34*z34) + 
   (s13*s23*z1)/(s12^2*s34*z34) - (3*s13*s23*z1)/(4*s12*s123*s34*z34) + 
   (3*s13*s23*z1)/(4*s12*s124*s34*z34) - (3*s13^2*s23*z1)/
    (4*s12^2*s123*s34*z34) + (3*s13^2*s23*z1)/(4*s12^2*s124*s34*z34) + 
   (3*s23*z1)/(2*s134*s34*z34) + (2*s13*s23*z1)/(s12*s134*s34*z34) - 
   (s13*s23*z1)/(s123*s134*s34*z34) - (s13*s23*z1)/(2*s124*s134*s34*z34) - 
   (s13^2*s23*z1)/(s12*s123*s134*s34*z34) - 
   (s13^2*s23*z1)/(2*s12*s124*s134*s34*z34) + (s14*s23*z1)/(s12^2*s34*z34) - 
   (3*s14*s23*z1)/(4*s12*s123*s34*z34) + (3*s14*s23*z1)/
    (4*s12*s124*s34*z34) - (3*s13*s14*s23*z1)/(2*s12^2*s123*s34*z34) + 
   (3*s13*s14*s23*z1)/(2*s12^2*s124*s34*z34) + 
   (2*s14*s23*z1)/(s12*s134*s34*z34) - (s14*s23*z1)/(s123*s134*s34*z34) - 
   (s14*s23*z1)/(2*s124*s134*s34*z34) - (2*s13*s14*s23*z1)/
    (s12*s123*s134*s34*z34) - (s13*s14*s23*z1)/(s12*s124*s134*s34*z34) - 
   (3*s14^2*s23*z1)/(4*s12^2*s123*s34*z34) + (3*s14^2*s23*z1)/
    (4*s12^2*s124*s34*z34) - (s14^2*s23*z1)/(s12*s123*s134*s34*z34) - 
   (s14^2*s23*z1)/(2*s12*s124*s134*s34*z34) + (s23^2*z1)/(s12^2*s34*z34) - 
   (s23^2*z1)/(4*s12*s123*s34*z34) + (s23^2*z1)/(4*s12*s124*s34*z34) - 
   (s13*s23^2*z1)/(s12^2*s123*s34*z34) + (s13*s23^2*z1)/
    (s12^2*s124*s34*z34) + (s23^2*z1)/(s12*s134*s34*z34) - 
   (s13*s23^2*z1)/(s12*s123*s134*s34*z34) - 
   (s13*s23^2*z1)/(2*s12*s124*s134*s34*z34) - 
   (s14*s23^2*z1)/(s12^2*s123*s34*z34) + (s14*s23^2*z1)/
    (s12^2*s124*s34*z34) - (s14*s23^2*z1)/(s12*s123*s134*s34*z34) - 
   (s14*s23^2*z1)/(2*s12*s124*s134*s34*z34) - 
   (s23^3*z1)/(4*s12^2*s123*s34*z34) + (s23^3*z1)/(4*s12^2*s124*s34*z34) + 
   (s12*s23*z1)/(s134*s234*s34*z34) + (s13*s23*z1)/(s134*s234*s34*z34) + 
   (s14*s23*z1)/(s134*s234*s34*z34) + (s23^2*z1)/(2*s123*s234*s34*z34) + 
   (s23^2*z1)/(s124*s234*s34*z34) + (s13*s23^2*z1)/
    (2*s12*s123*s234*s34*z34) + (s13*s23^2*z1)/(s12*s124*s234*s34*z34) + 
   (s23^2*z1)/(s134*s234*s34*z34) + (s14*s23^2*z1)/
    (2*s12*s123*s234*s34*z34) + (s14*s23^2*z1)/(s12*s124*s234*s34*z34) + 
   (s23^3*z1)/(2*s12*s123*s234*s34*z34) + 
   (s23^3*z1)/(s12*s124*s234*s34*z34) + (2*s24*z1)/(s12*s34*z34) + 
   (s13*s24*z1)/(s12^2*s34*z34) + (3*s24*z1)/(2*s134*s34*z34) + 
   (2*s13*s24*z1)/(s12*s134*s34*z34) + (s14*s24*z1)/(s12^2*s34*z34) + 
   (2*s14*s24*z1)/(s12*s134*s34*z34) + (2*s23*s24*z1)/(s12^2*s34*z34) - 
   (s23*s24*z1)/(4*s12*s123*s34*z34) + (s23*s24*z1)/(4*s12*s124*s34*z34) - 
   (s13*s23*s24*z1)/(s12^2*s123*s34*z34) + (s13*s23*s24*z1)/
    (s12^2*s124*s34*z34) + (2*s23*s24*z1)/(s12*s134*s34*z34) - 
   (s13*s23*s24*z1)/(s12*s123*s134*s34*z34) - 
   (s13*s23*s24*z1)/(2*s12*s124*s134*s34*z34) - 
   (s14*s23*s24*z1)/(s12^2*s123*s34*z34) + (s14*s23*s24*z1)/
    (s12^2*s124*s34*z34) - (s14*s23*s24*z1)/(s12*s123*s134*s34*z34) - 
   (s14*s23*s24*z1)/(2*s12*s124*s134*s34*z34) - 
   (s23^2*s24*z1)/(2*s12^2*s123*s34*z34) + 
   (s23^2*s24*z1)/(2*s12^2*s124*s34*z34) + (s12*s24*z1)/(s134*s234*s34*z34) + 
   (s13*s24*z1)/(s134*s234*s34*z34) + (s14*s24*z1)/(s134*s234*s34*z34) + 
   (s23*s24*z1)/(2*s123*s234*s34*z34) + (s23*s24*z1)/(s124*s234*s34*z34) + 
   (s13*s23*s24*z1)/(2*s12*s123*s234*s34*z34) + 
   (s13*s23*s24*z1)/(s12*s124*s234*s34*z34) + 
   (2*s23*s24*z1)/(s134*s234*s34*z34) + (s14*s23*s24*z1)/
    (2*s12*s123*s234*s34*z34) + (s14*s23*s24*z1)/(s12*s124*s234*s34*z34) + 
   (s23^2*s24*z1)/(s12*s123*s234*s34*z34) + (2*s23^2*s24*z1)/
    (s12*s124*s234*s34*z34) + (s24^2*z1)/(s12^2*s34*z34) + 
   (s24^2*z1)/(s12*s134*s34*z34) - (s23*s24^2*z1)/(4*s12^2*s123*s34*z34) + 
   (s23*s24^2*z1)/(4*s12^2*s124*s34*z34) + (s24^2*z1)/(s134*s234*s34*z34) + 
   (s23*s24^2*z1)/(2*s12*s123*s234*s34*z34) + 
   (s23*s24^2*z1)/(s12*s124*s234*s34*z34) + (s34*z1)/(s12^2*z34) + 
   (s34*z1)/(2*s12*s123*z34) - (s13*s34*z1)/(4*s12^2*s123*z34) - 
   (s13*s34*z1)/(4*s12^2*s124*z34) + (s34*z1)/(s12*s134*z34) - 
   (s14*s34*z1)/(4*s12^2*s123*z34) - (s14*s34*z1)/(4*s12^2*s124*z34) - 
   (s23*s34*z1)/(4*s12^2*s123*z34) + (3*s23*s34*z1)/(4*s12^2*s124*z34) - 
   (s23*s34*z1)/(s12*s123*s134*z34) - (s23*s34*z1)/(2*s12*s124*s134*z34) + 
   (s34*z1)/(s12*s234*z34) + (s34*z1)/(s134*s234*z34) + 
   (s23*s34*z1)/(2*s12*s123*s234*z34) + (s23*s34*z1)/(s12*s124*s234*z34) + 
   (s24*s34*z1)/(4*s12^2*s123*z34) + (s24*s34*z1)/(4*s12^2*s124*z34) + 
   z1^2/(s12*z12*z34) + z1^2/(2*s123*z12*z34) + z1^2/(2*s124*z12*z34) - 
   (s13*z1^2)/(s12^2*z12*z34) + (3*s13*z1^2)/(4*s12*s123*z12*z34) + 
   (3*s13*z1^2)/(4*s12*s124*z12*z34) + (s13^2*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s13^2*z1^2)/(4*s12^2*s124*z12*z34) + z1^2/(2*s134*z12*z34) - 
   (s13*z1^2)/(2*s12*s134*z12*z34) - (s14*z1^2)/(s12^2*z12*z34) + 
   (3*s14*z1^2)/(4*s12*s123*z12*z34) + (3*s14*z1^2)/(4*s12*s124*z12*z34) + 
   (s13*s14*z1^2)/(2*s12^2*s123*z12*z34) + 
   (s13*s14*z1^2)/(2*s12^2*s124*z12*z34) - (s14*z1^2)/(2*s12*s134*z12*z34) + 
   (s14^2*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s14^2*z1^2)/(4*s12^2*s124*z12*z34) + (s23*z1^2)/(4*s12*s123*z12*z34) + 
   (5*s23*z1^2)/(4*s12*s124*z12*z34) - (s13*s23*z1^2)/
    (4*s12^2*s123*z12*z34) + (5*s13*s23*z1^2)/(4*s12^2*s124*z12*z34) - 
   (s14*s23*z1^2)/(4*s12^2*s123*z12*z34) + (5*s14*s23*z1^2)/
    (4*s12^2*s124*z12*z34) - (s23^2*z1^2)/(2*s12^2*s123*z12*z34) + 
   (s23^2*z1^2)/(s12^2*s124*z12*z34) - z1^2/(2*s234*z12*z34) - 
   (s13*z1^2)/(2*s12*s234*z12*z34) - (s14*z1^2)/(2*s12*s234*z12*z34) - 
   (s23*z1^2)/(s12*s234*z12*z34) + (3*s24*z1^2)/(4*s12*s123*z12*z34) + 
   (3*s24*z1^2)/(4*s12*s124*z12*z34) + (s13*s24*z1^2)/
    (2*s12^2*s123*z12*z34) + (s13*s24*z1^2)/(2*s12^2*s124*z12*z34) + 
   (s14*s24*z1^2)/(2*s12^2*s123*z12*z34) + 
   (s14*s24*z1^2)/(2*s12^2*s124*z12*z34) - 
   (s23*s24*z1^2)/(4*s12^2*s123*z12*z34) + (5*s23*s24*z1^2)/
    (4*s12^2*s124*z12*z34) - (s24*z1^2)/(s12*s234*z12*z34) + 
   (s24^2*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s24^2*z1^2)/(4*s12^2*s124*z12*z34) + (2*z1^2)/(s34*z12*z34) + 
   (2*s13*z1^2)/(s12*s34*z12*z34) + (s12*z1^2)/(s134*s34*z12*z34) + 
   (s13*z1^2)/(s134*s34*z12*z34) + (2*s14*z1^2)/(s12*s34*z12*z34) + 
   (s14*z1^2)/(s134*s34*z12*z34) + (3*s23*z1^2)/(s12*s34*z12*z34) + 
   (s13*s23*z1^2)/(s12^2*s34*z12*z34) - (s13*s23*z1^2)/
    (4*s12*s123*s34*z12*z34) + (s13*s23*z1^2)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s23*z1^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s23*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (3*s23*z1^2)/(2*s134*s34*z12*z34) + (s13*s23*z1^2)/
    (2*s12*s134*s34*z12*z34) + (s14*s23*z1^2)/(s12^2*s34*z12*z34) - 
   (s14*s23*z1^2)/(4*s12*s123*s34*z12*z34) + 
   (s14*s23*z1^2)/(4*s12*s124*s34*z12*z34) - (s13*s14*s23*z1^2)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s14*s23*z1^2)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s23*z1^2)/(2*s12*s134*s34*z12*z34) - 
   (s14^2*s23*z1^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s23^2*z1^2)/(s12^2*s34*z12*z34) - (s23^2*z1^2)/(4*s12*s123*s34*z12*z34) + 
   (s23^2*z1^2)/(4*s12*s124*s34*z12*z34) - (s13*s23^2*z1^2)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s23^2*z1^2)/
    (2*s12^2*s124*s34*z12*z34) + (s23^2*z1^2)/(2*s12*s134*s34*z12*z34) - 
   (s14*s23^2*z1^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23^2*z1^2)/(2*s12^2*s124*s34*z12*z34) - 
   (s23^3*z1^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s23^3*z1^2)/(4*s12^2*s124*s34*z12*z34) - 
   (s23*z1^2)/(2*s234*s34*z12*z34) - (s13*s23*z1^2)/
    (2*s12*s234*s34*z12*z34) - (s14*s23*z1^2)/(2*s12*s234*s34*z12*z34) - 
   (s23^2*z1^2)/(2*s12*s234*s34*z12*z34) + (3*s24*z1^2)/(s12*s34*z12*z34) + 
   (s13*s24*z1^2)/(s12^2*s34*z12*z34) + (3*s24*z1^2)/(2*s134*s34*z12*z34) + 
   (s13*s24*z1^2)/(2*s12*s134*s34*z12*z34) + 
   (s14*s24*z1^2)/(s12^2*s34*z12*z34) + (s14*s24*z1^2)/
    (2*s12*s134*s34*z12*z34) + (2*s23*s24*z1^2)/(s12^2*s34*z12*z34) - 
   (s23*s24*z1^2)/(4*s12*s123*s34*z12*z34) + 
   (s23*s24*z1^2)/(4*s12*s124*s34*z12*z34) - (s13*s23*s24*z1^2)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s23*s24*z1^2)/
    (2*s12^2*s124*s34*z12*z34) + (s23*s24*z1^2)/(s12*s134*s34*z12*z34) - 
   (s14*s23*s24*z1^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23*s24*z1^2)/(2*s12^2*s124*s34*z12*z34) - 
   (s23^2*s24*z1^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s23^2*s24*z1^2)/(2*s12^2*s124*s34*z12*z34) - 
   (s24*z1^2)/(2*s234*s34*z12*z34) - (s13*s24*z1^2)/
    (2*s12*s234*s34*z12*z34) - (s14*s24*z1^2)/(2*s12*s234*s34*z12*z34) - 
   (s23*s24*z1^2)/(s12*s234*s34*z12*z34) + (s24^2*z1^2)/(s12^2*s34*z12*z34) + 
   (s24^2*z1^2)/(2*s12*s134*s34*z12*z34) - (s23*s24^2*z1^2)/
    (4*s12^2*s123*s34*z12*z34) + (s23*s24^2*z1^2)/
    (4*s12^2*s124*s34*z12*z34) - (s24^2*z1^2)/(2*s12*s234*s34*z12*z34) - 
   (s34*z1^2)/(s12^2*z12*z34) + (s34*z1^2)/(2*s12*s123*z12*z34) + 
   (s34*z1^2)/(2*s12*s124*z12*z34) + (s13*s34*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s13*s34*z1^2)/(4*s12^2*s124*z12*z34) - (s34*z1^2)/(2*s12*s134*z12*z34) + 
   (s14*s34*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s14*s34*z1^2)/(4*s12^2*s124*z12*z34) - 
   (s23*s34*z1^2)/(4*s12^2*s123*z12*z34) + (3*s23*s34*z1^2)/
    (4*s12^2*s124*z12*z34) - (s34*z1^2)/(2*s12*s234*z12*z34) + 
   (s24*s34*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s24*s34*z1^2)/(4*s12^2*s124*z12*z34) + z2/(s12*z34) + z2/(2*s123*z34) - 
   (s13*z2)/(s12^2*z34) + (s13*z2)/(s12*s123*z34) - 
   (s13*z2)/(2*s12*s124*z34) + (5*s13^2*z2)/(4*s12^2*s123*z34) - 
   (5*s13^2*z2)/(4*s12^2*s124*z34) - (s13*z2)/(2*s12*s134*z34) + 
   (s13*z2)/(s123*s134*z34) + (s13*z2)/(2*s124*s134*z34) + 
   (2*s13^2*z2)/(s12*s123*s134*z34) + (s13^2*z2)/(s12*s124*s134*z34) - 
   (s14*z2)/(s12^2*z34) + (s14*z2)/(2*s12*s123*z34) + 
   (5*s13*s14*z2)/(4*s12^2*s123*z34) - (5*s13*s14*z2)/(4*s12^2*s124*z34) - 
   (s14*z2)/(2*s12*s134*z34) + (2*s13*s14*z2)/(s12*s123*s134*z34) + 
   (s13*s14*z2)/(s12*s124*s134*z34) + (s23*z2)/(2*s12*s123*z34) + 
   (3*s13*s23*z2)/(4*s12^2*s123*z34) - (3*s13*s23*z2)/(4*s12^2*s124*z34) + 
   (s13*s23*z2)/(s12*s123*s134*z34) + (s13*s23*z2)/(2*s12*s124*s134*z34) + 
   z2/(2*s234*z34) - (s13*z2)/(2*s12*s234*z34) - (s13*z2)/(2*s123*s234*z34) - 
   (s13*z2)/(s124*s234*z34) - (s13^2*z2)/(2*s12*s123*s234*z34) - 
   (s13^2*z2)/(s12*s124*s234*z34) - (s14*z2)/(2*s12*s234*z34) - 
   (s13*s14*z2)/(2*s12*s123*s234*z34) - (s13*s14*z2)/(s12*s124*s234*z34) - 
   (s13*s23*z2)/(s12*s123*s234*z34) - (2*s13*s23*z2)/(s12*s124*s234*z34) + 
   (s24*z2)/(2*s12*s123*z34) + (3*s13*s24*z2)/(4*s12^2*s123*z34) - 
   (3*s13*s24*z2)/(4*s12^2*s124*z34) + (s13*s24*z2)/(s12*s123*s134*z34) + 
   (s13*s24*z2)/(2*s12*s124*s134*z34) - (s13*s24*z2)/(s12*s123*s234*z34) - 
   (2*s13*s24*z2)/(s12*s124*s234*z34) + z2/(s34*z34) - 
   (s13^2*z2)/(s12^2*s34*z34) + (3*s13^2*z2)/(4*s12*s123*s34*z34) - 
   (3*s13^2*z2)/(4*s12*s124*s34*z34) + (3*s13^3*z2)/(4*s12^2*s123*s34*z34) - 
   (3*s13^3*z2)/(4*s12^2*s124*s34*z34) - (s13*z2)/(2*s134*s34*z34) - 
   (s13^2*z2)/(2*s12*s134*s34*z34) + (s13^2*z2)/(s123*s134*s34*z34) + 
   (s13^2*z2)/(2*s124*s134*s34*z34) + (s13^3*z2)/(s12*s123*s134*s34*z34) + 
   (s13^3*z2)/(2*s12*s124*s134*s34*z34) - (2*s13*s14*z2)/(s12^2*s34*z34) + 
   (3*s13*s14*z2)/(4*s12*s123*s34*z34) - (3*s13*s14*z2)/
    (4*s12*s124*s34*z34) + (3*s13^2*s14*z2)/(2*s12^2*s123*s34*z34) - 
   (3*s13^2*s14*z2)/(2*s12^2*s124*s34*z34) - (s14*z2)/(2*s134*s34*z34) - 
   (s13*s14*z2)/(s12*s134*s34*z34) + (s13*s14*z2)/(s123*s134*s34*z34) + 
   (s13*s14*z2)/(2*s124*s134*s34*z34) + (2*s13^2*s14*z2)/
    (s12*s123*s134*s34*z34) + (s13^2*s14*z2)/(s12*s124*s134*s34*z34) - 
   (s14^2*z2)/(s12^2*s34*z34) + (3*s13*s14^2*z2)/(4*s12^2*s123*s34*z34) - 
   (3*s13*s14^2*z2)/(4*s12^2*s124*s34*z34) - 
   (s14^2*z2)/(2*s12*s134*s34*z34) + (s13*s14^2*z2)/(s12*s123*s134*s34*z34) + 
   (s13*s14^2*z2)/(2*s12*s124*s134*s34*z34) + (s23*z2)/(s12*s34*z34) - 
   (s13*s23*z2)/(s12^2*s34*z34) + (s13*s23*z2)/(4*s12*s123*s34*z34) - 
   (s13*s23*z2)/(4*s12*s124*s34*z34) + (s13^2*s23*z2)/(s12^2*s123*s34*z34) - 
   (s13^2*s23*z2)/(s12^2*s124*s34*z34) - (s13*s23*z2)/(2*s12*s134*s34*z34) + 
   (s13^2*s23*z2)/(s12*s123*s134*s34*z34) + 
   (s13^2*s23*z2)/(2*s12*s124*s134*s34*z34) - (s14*s23*z2)/(s12^2*s34*z34) + 
   (s13*s14*s23*z2)/(s12^2*s123*s34*z34) - (s13*s14*s23*z2)/
    (s12^2*s124*s34*z34) - (s14*s23*z2)/(2*s12*s134*s34*z34) + 
   (s13*s14*s23*z2)/(s12*s123*s134*s34*z34) + 
   (s13*s14*s23*z2)/(2*s12*s124*s134*s34*z34) + 
   (s13*s23^2*z2)/(4*s12^2*s123*s34*z34) - 
   (s13*s23^2*z2)/(4*s12^2*s124*s34*z34) + (s12*z2)/(2*s234*s34*z34) - 
   (s13^2*z2)/(2*s12*s234*s34*z34) - (s13*s14*z2)/(s12*s234*s34*z34) - 
   (s14^2*z2)/(2*s12*s234*s34*z34) + (s23*z2)/(2*s234*s34*z34) - 
   (s13*s23*z2)/(2*s12*s234*s34*z34) - (s13*s23*z2)/(2*s123*s234*s34*z34) - 
   (s13*s23*z2)/(s124*s234*s34*z34) - (s13^2*s23*z2)/
    (2*s12*s123*s234*s34*z34) - (s13^2*s23*z2)/(s12*s124*s234*s34*z34) - 
   (s14*s23*z2)/(2*s12*s234*s34*z34) - (s13*s14*s23*z2)/
    (2*s12*s123*s234*s34*z34) - (s13*s14*s23*z2)/(s12*s124*s234*s34*z34) - 
   (s13*s23^2*z2)/(2*s12*s123*s234*s34*z34) - 
   (s13*s23^2*z2)/(s12*s124*s234*s34*z34) + (s24*z2)/(s12*s34*z34) - 
   (s13*s24*z2)/(s12^2*s34*z34) + (s13*s24*z2)/(4*s12*s123*s34*z34) - 
   (s13*s24*z2)/(4*s12*s124*s34*z34) + (s13^2*s24*z2)/(s12^2*s123*s34*z34) - 
   (s13^2*s24*z2)/(s12^2*s124*s34*z34) - (s13*s24*z2)/(2*s12*s134*s34*z34) + 
   (s13^2*s24*z2)/(s12*s123*s134*s34*z34) + 
   (s13^2*s24*z2)/(2*s12*s124*s134*s34*z34) - (s14*s24*z2)/(s12^2*s34*z34) + 
   (s13*s14*s24*z2)/(s12^2*s123*s34*z34) - (s13*s14*s24*z2)/
    (s12^2*s124*s34*z34) - (s14*s24*z2)/(2*s12*s134*s34*z34) + 
   (s13*s14*s24*z2)/(s12*s123*s134*s34*z34) + 
   (s13*s14*s24*z2)/(2*s12*s124*s134*s34*z34) + 
   (s13*s23*s24*z2)/(2*s12^2*s123*s34*z34) - (s13*s23*s24*z2)/
    (2*s12^2*s124*s34*z34) + (s24*z2)/(2*s234*s34*z34) - 
   (s13*s24*z2)/(2*s12*s234*s34*z34) - (s13*s24*z2)/(2*s123*s234*s34*z34) - 
   (s13*s24*z2)/(s124*s234*s34*z34) - (s13^2*s24*z2)/
    (2*s12*s123*s234*s34*z34) - (s13^2*s24*z2)/(s12*s124*s234*s34*z34) - 
   (s14*s24*z2)/(2*s12*s234*s34*z34) - (s13*s14*s24*z2)/
    (2*s12*s123*s234*s34*z34) - (s13*s14*s24*z2)/(s12*s124*s234*s34*z34) - 
   (s13*s23*s24*z2)/(s12*s123*s234*s34*z34) - (2*s13*s23*s24*z2)/
    (s12*s124*s234*s34*z34) + (s13*s24^2*z2)/(4*s12^2*s123*s34*z34) - 
   (s13*s24^2*z2)/(4*s12^2*s124*s34*z34) - 
   (s13*s24^2*z2)/(2*s12*s123*s234*s34*z34) - 
   (s13*s24^2*z2)/(s12*s124*s234*s34*z34) + (s34*z2)/(2*s12*s123*z34) + 
   (s13*s34*z2)/(2*s12^2*s123*z34) - (s13*s34*z2)/(2*s12^2*s124*z34) + 
   (s13*s34*z2)/(s12*s123*s134*z34) + (s13*s34*z2)/(2*s12*s124*s134*z34) - 
   (s13*s34*z2)/(2*s12*s123*s234*z34) - (s13*s34*z2)/(s12*s124*s234*z34) + 
   (2*s13*z1^2*z2)/(s12^2*z12^2*z34) + (2*s14*z1^2*z2)/(s12^2*z12^2*z34) + 
   (2*s23*z1^2*z2)/(s12^2*z12^2*z34) + (2*s24*z1^2*z2)/(s12^2*z12^2*z34) - 
   (2*z1^2*z2)/(s34*z12^2*z34) - (2*s13*z1^2*z2)/(s12*s34*z12^2*z34) - 
   (2*s14*z1^2*z2)/(s12*s34*z12^2*z34) - (2*s23*z1^2*z2)/
    (s12*s34*z12^2*z34) - (2*s24*z1^2*z2)/(s12*s34*z12^2*z34) + 
   (2*s34*z1^2*z2)/(s12^2*z12^2*z34) - (3*z1*z2)/(s12*z12*z34) - 
   (z1*z2)/(2*s123*z12*z34) - (z1*z2)/(2*s124*z12*z34) - 
   (4*s13*z1*z2)/(s12^2*z12*z34) - (s13*z1*z2)/(4*s12*s123*z12*z34) - 
   (5*s13*z1*z2)/(4*s12*s124*z12*z34) + (s13^2*z1*z2)/
    (2*s12^2*s123*z12*z34) - (s13^2*z1*z2)/(s12^2*s124*z12*z34) - 
   (3*z1*z2)/(2*s134*z12*z34) - (5*s13*z1*z2)/(2*s12*s134*z12*z34) - 
   (4*s14*z1*z2)/(s12^2*z12*z34) - (3*s14*z1*z2)/(4*s12*s123*z12*z34) - 
   (3*s14*z1*z2)/(4*s12*s124*z12*z34) + (s13*s14*z1*z2)/
    (4*s12^2*s123*z12*z34) - (5*s13*s14*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (5*s14*z1*z2)/(2*s12*s134*z12*z34) - (s14^2*z1*z2)/
    (4*s12^2*s123*z12*z34) - (s14^2*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (4*s23*z1*z2)/(s12^2*z12*z34) - (s23*z1*z2)/(4*s12*s123*z12*z34) - 
   (5*s23*z1*z2)/(4*s12*s124*z12*z34) + (s13*s23*z1*z2)/
    (s12^2*s123*z12*z34) - (2*s13*s23*z1*z2)/(s12^2*s124*z12*z34) - 
   (2*s23*z1*z2)/(s12*s134*z12*z34) + (s14*s23*z1*z2)/
    (4*s12^2*s123*z12*z34) - (5*s14*s23*z1*z2)/(4*s12^2*s124*z12*z34) + 
   (s23^2*z1*z2)/(2*s12^2*s123*z12*z34) - 
   (s23^2*z1*z2)/(s12^2*s124*z12*z34) - (z1*z2)/(2*s234*z12*z34) - 
   (3*s13*z1*z2)/(2*s12*s234*z12*z34) - (3*s14*z1*z2)/(2*s12*s234*z12*z34) - 
   (2*s23*z1*z2)/(s12*s234*z12*z34) - (4*s24*z1*z2)/(s12^2*z12*z34) - 
   (3*s24*z1*z2)/(4*s12*s123*z12*z34) - (3*s24*z1*z2)/(4*s12*s124*z12*z34) + 
   (s13*s24*z1*z2)/(4*s12^2*s123*z12*z34) - (5*s13*s24*z1*z2)/
    (4*s12^2*s124*z12*z34) - (2*s24*z1*z2)/(s12*s134*z12*z34) - 
   (s14*s24*z1*z2)/(2*s12^2*s123*z12*z34) - (s14*s24*z1*z2)/
    (2*s12^2*s124*z12*z34) + (s23*s24*z1*z2)/(4*s12^2*s123*z12*z34) - 
   (5*s23*s24*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (2*s24*z1*z2)/(s12*s234*z12*z34) - (s24^2*z1*z2)/(4*s12^2*s123*z12*z34) - 
   (s24^2*z1*z2)/(4*s12^2*s124*z12*z34) - (s13*z1*z2)/(s12*s34*z12*z34) - 
   (s13^2*z1*z2)/(s12^2*s34*z12*z34) + (s13^2*z1*z2)/
    (4*s12*s123*s34*z12*z34) - (s13^2*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (s13^3*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^3*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s13*z1*z2)/(s134*s34*z12*z34) - (s13^2*z1*z2)/(s12*s134*s34*z12*z34) - 
   (s14*z1*z2)/(s12*s34*z12*z34) - (2*s13*s14*z1*z2)/(s12^2*s34*z12*z34) + 
   (s13*s14*z1*z2)/(4*s12*s123*s34*z12*z34) - 
   (s13*s14*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s14*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s14*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (s14*z1*z2)/(s134*s34*z12*z34) - (2*s13*s14*z1*z2)/
    (s12*s134*s34*z12*z34) - (s14^2*z1*z2)/(s12^2*s34*z12*z34) + 
   (s13*s14^2*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13*s14^2*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s14^2*z1*z2)/(s12*s134*s34*z12*z34) - (s23*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s23*z1*z2)/(s12^2*s34*z12*z34) + (s13*s23*z1*z2)/
    (2*s12*s123*s34*z12*z34) - (s13*s23*z1*z2)/(2*s12*s124*s34*z12*z34) + 
   (3*s13^2*s23*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (3*s13^2*s23*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s23*z1*z2)/(2*s134*s34*z12*z34) - (3*s13*s23*z1*z2)/
    (2*s12*s134*s34*z12*z34) - (2*s14*s23*z1*z2)/(s12^2*s34*z12*z34) + 
   (s14*s23*z1*z2)/(4*s12*s123*s34*z12*z34) - 
   (s14*s23*z1*z2)/(4*s12*s124*s34*z12*z34) + (s13*s14*s23*z1*z2)/
    (s12^2*s123*s34*z12*z34) - (s13*s14*s23*z1*z2)/(s12^2*s124*s34*z12*z34) - 
   (3*s14*s23*z1*z2)/(2*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^2*s23*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s23^2*z1*z2)/(s12^2*s34*z12*z34) + (s23^2*z1*z2)/
    (4*s12*s123*s34*z12*z34) - (s23^2*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (3*s13*s23^2*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (3*s13*s23^2*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s23^2*z1*z2)/(2*s12*s134*s34*z12*z34) + (s14*s23^2*z1*z2)/
    (2*s12^2*s123*s34*z12*z34) - (s14*s23^2*z1*z2)/
    (2*s12^2*s124*s34*z12*z34) + (s23^3*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s23^3*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (s12*z1*z2)/(s234*s34*z12*z34) + (s13*z1*z2)/(s234*s34*z12*z34) + 
   (s14*z1*z2)/(s234*s34*z12*z34) + (s23*z1*z2)/(2*s234*s34*z12*z34) - 
   (s13*s23*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (s14*s23*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (s23^2*z1*z2)/(2*s12*s234*s34*z12*z34) - (s24*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s24*z1*z2)/(s12^2*s34*z12*z34) + (s13*s24*z1*z2)/
    (4*s12*s123*s34*z12*z34) - (s13*s24*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (s24*z1*z2)/(2*s134*s34*z12*z34) - (3*s13*s24*z1*z2)/
    (2*s12*s134*s34*z12*z34) - (2*s14*s24*z1*z2)/(s12^2*s34*z12*z34) + 
   (s13*s14*s24*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s14*s24*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (3*s14*s24*z1*z2)/(2*s12*s134*s34*z12*z34) - 
   (2*s23*s24*z1*z2)/(s12^2*s34*z12*z34) + (s23*s24*z1*z2)/
    (4*s12*s123*s34*z12*z34) - (s23*s24*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (s13*s23*s24*z1*z2)/(s12^2*s123*s34*z12*z34) - 
   (s13*s23*s24*z1*z2)/(s12^2*s124*s34*z12*z34) - 
   (s23*s24*z1*z2)/(s12*s134*s34*z12*z34) + (s14*s23*s24*z1*z2)/
    (2*s12^2*s123*s34*z12*z34) - (s14*s23*s24*z1*z2)/
    (2*s12^2*s124*s34*z12*z34) + (s23^2*s24*z1*z2)/
    (2*s12^2*s123*s34*z12*z34) - (s23^2*s24*z1*z2)/
    (2*s12^2*s124*s34*z12*z34) + (s24*z1*z2)/(2*s234*s34*z12*z34) - 
   (s13*s24*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (s14*s24*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (s23*s24*z1*z2)/(s12*s234*s34*z12*z34) - 
   (s24^2*z1*z2)/(s12^2*s34*z12*z34) + (s13*s24^2*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) - (s13*s24^2*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) - (s24^2*z1*z2)/(2*s12*s134*s34*z12*z34) + 
   (s23*s24^2*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s23*s24^2*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s24^2*z1*z2)/(2*s12*s234*s34*z12*z34) - (3*s34*z1*z2)/(s12^2*z12*z34) - 
   (s34*z1*z2)/(2*s12*s123*z12*z34) - (s34*z1*z2)/(2*s12*s124*z12*z34) + 
   (s13*s34*z1*z2)/(4*s12^2*s123*z12*z34) - (3*s13*s34*z1*z2)/
    (4*s12^2*s124*z12*z34) - (3*s34*z1*z2)/(2*s12*s134*z12*z34) - 
   (s14*s34*z1*z2)/(4*s12^2*s123*z12*z34) - (s14*s34*z1*z2)/
    (4*s12^2*s124*z12*z34) + (s23*s34*z1*z2)/(4*s12^2*s123*z12*z34) - 
   (3*s23*s34*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (3*s34*z1*z2)/(2*s12*s234*z12*z34) - (s24*s34*z1*z2)/
    (4*s12^2*s123*z12*z34) - (s24*s34*z1*z2)/(4*s12^2*s124*z12*z34) + 
   (2*s13*z1*z2^2)/(s12^2*z12^2*z34) + (2*s14*z1*z2^2)/(s12^2*z12^2*z34) + 
   (2*s23*z1*z2^2)/(s12^2*z12^2*z34) + (2*s24*z1*z2^2)/(s12^2*z12^2*z34) - 
   (2*z1*z2^2)/(s34*z12^2*z34) - (2*s13*z1*z2^2)/(s12*s34*z12^2*z34) - 
   (2*s14*z1*z2^2)/(s12*s34*z12^2*z34) - (2*s23*z1*z2^2)/
    (s12*s34*z12^2*z34) - (2*s24*z1*z2^2)/(s12*s34*z12^2*z34) + 
   (2*s34*z1*z2^2)/(s12^2*z12^2*z34) + (s13*z2^2)/(s12^2*z12*z34) - 
   (s13*z2^2)/(2*s12*s123*z12*z34) + (s13*z2^2)/(2*s12*s124*z12*z34) - 
   (3*s13^2*z2^2)/(4*s12^2*s123*z12*z34) + 
   (3*s13^2*z2^2)/(4*s12^2*s124*z12*z34) + (s14*z2^2)/(s12^2*z12*z34) - 
   (3*s13*s14*z2^2)/(4*s12^2*s123*z12*z34) + (3*s13*s14*z2^2)/
    (4*s12^2*s124*z12*z34) - (3*s13*s23*z2^2)/(4*s12^2*s123*z12*z34) + 
   (3*s13*s23*z2^2)/(4*s12^2*s124*z12*z34) - (3*s13*s24*z2^2)/
    (4*s12^2*s123*z12*z34) + (3*s13*s24*z2^2)/(4*s12^2*s124*z12*z34) + 
   (s13*z2^2)/(s12*s34*z12*z34) + (s13^2*z2^2)/(s12^2*s34*z12*z34) - 
   (s13^2*z2^2)/(4*s12*s123*s34*z12*z34) + 
   (s13^2*z2^2)/(4*s12*s124*s34*z12*z34) - 
   (s13^3*z2^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^3*z2^2)/(4*s12^2*s124*s34*z12*z34) + (s14*z2^2)/(s12*s34*z12*z34) + 
   (2*s13*s14*z2^2)/(s12^2*s34*z12*z34) - (s13*s14*z2^2)/
    (4*s12*s123*s34*z12*z34) + (s13*s14*z2^2)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s14*z2^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14^2*z2^2)/(s12^2*s34*z12*z34) - (s13*s14^2*z2^2)/
    (4*s12^2*s123*s34*z12*z34) + (s13*s14^2*z2^2)/
    (4*s12^2*s124*s34*z12*z34) + (s13*s23*z2^2)/(s12^2*s34*z12*z34) - 
   (s13*s23*z2^2)/(4*s12*s123*s34*z12*z34) + 
   (s13*s23*z2^2)/(4*s12*s124*s34*z12*z34) - (s13^2*s23*z2^2)/
    (2*s12^2*s123*s34*z12*z34) + (s13^2*s23*z2^2)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s23*z2^2)/(s12^2*s34*z12*z34) - 
   (s13*s14*s23*z2^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14*s23*z2^2)/(2*s12^2*s124*s34*z12*z34) - 
   (s13*s23^2*z2^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13*s23^2*z2^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s13*s24*z2^2)/(s12^2*s34*z12*z34) - (s13*s24*z2^2)/
    (4*s12*s123*s34*z12*z34) + (s13*s24*z2^2)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s24*z2^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s24*z2^2)/(s12^2*s34*z12*z34) - (s13*s14*s24*z2^2)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s14*s24*z2^2)/
    (2*s12^2*s124*s34*z12*z34) - (s13*s23*s24*z2^2)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s23*s24*z2^2)/
    (2*s12^2*s124*s34*z12*z34) - (s13*s24^2*z2^2)/
    (4*s12^2*s123*s34*z12*z34) + (s13*s24^2*z2^2)/
    (4*s12^2*s124*s34*z12*z34) - (s13*s34*z2^2)/(2*s12^2*s123*z12*z34) + 
   (s13*s34*z2^2)/(2*s12^2*s124*z12*z34) + z3/(s12*z34) + 
   (2*s13*z3)/(s12^2*z34) + (s13*z3)/(4*s12*s123*z34) - 
   (s13*z3)/(4*s12*s124*z34) + (2*s13^2*z3)/(s12^2*s123*z34) - 
   (s12*z3)/(s123*s134*z34) + (s12*z3)/(2*s124*s134*z34) + 
   (2*s13*z3)/(s12*s134*z34) + (s13*z3)/(s124*s134*z34) + 
   (4*s13^2*z3)/(s12*s123*s134*z34) + (s14*z3)/(s12^2*z34) - 
   (3*s14*z3)/(4*s12*s123*z34) + (s14*z3)/(4*s12*s124*z34) + 
   (9*s13*s14*z3)/(4*s12^2*s123*z34) + (9*s13*s14*z3)/(4*s12^2*s124*z34) + 
   (s14*z3)/(s12*s134*z34) - (2*s14*z3)/(s123*s134*z34) + 
   (4*s13*s14*z3)/(s12*s123*s134*z34) - (2*s13*s14*z3)/(s12*s124*s134*z34) + 
   (s14^2*z3)/(4*s12^2*s123*z34) + (9*s14^2*z3)/(4*s12^2*s124*z34) - 
   (2*s14^2*z3)/(s12*s124*s134*z34) - (3*s23*z3)/(4*s12*s123*z34) - 
   (s23*z3)/(4*s12*s124*z34) + (s13*s23*z3)/(s12^2*s123*z34) - 
   (s23*z3)/(s123*s134*z34) + (s23*z3)/(2*s124*s134*z34) + 
   (2*s13*s23*z3)/(s12*s123*s134*z34) - (3*s14*s23*z3)/(4*s12^2*s123*z34) + 
   (5*s14*s23*z3)/(4*s12^2*s124*z34) - (s14*s23*z3)/(s12*s124*s134*z34) + 
   (s12*z3)/(2*s123*s234*z34) - (s12*z3)/(s124*s234*z34) + 
   (s13*z3)/(s12*s234*z34) - (s13*z3)/(2*s123*s234*z34) - 
   (s13*z3)/(s124*s234*z34) - (s13^2*z3)/(s12*s123*s234*z34) + 
   (s13*z3)/(s134*s234*z34) + (s14*z3)/(2*s123*s234*z34) + 
   (s14*z3)/(s124*s234*z34) - (s13*s14*z3)/(s12*s123*s234*z34) + 
   (2*s13*s14*z3)/(s12*s124*s234*z34) + (2*s14^2*z3)/(s12*s124*s234*z34) + 
   (s23*z3)/(s123*s234*z34) - (2*s23*z3)/(s124*s234*z34) - 
   (2*s13*s23*z3)/(s12*s123*s234*z34) + (4*s14*s23*z3)/(s12*s124*s234*z34) - 
   (3*s24*z3)/(4*s12*s123*z34) - (3*s24*z3)/(4*s12*s124*z34) + 
   (3*s13*s24*z3)/(2*s12^2*s123*z34) - (s13*s24*z3)/(2*s12^2*s124*z34) - 
   (s24*z3)/(s123*s134*z34) + (s24*z3)/(2*s124*s134*z34) + 
   (2*s13*s24*z3)/(s12*s123*s134*z34) - (s14*s24*z3)/(4*s12^2*s123*z34) + 
   (3*s14*s24*z3)/(4*s12^2*s124*z34) - (s14*s24*z3)/(s12*s124*s134*z34) + 
   (s24*z3)/(s123*s234*z34) - (2*s24*z3)/(s124*s234*z34) - 
   (2*s13*s24*z3)/(s12*s123*s234*z34) + (4*s14*s24*z3)/(s12*s124*s234*z34) - 
   (s13*z3)/(s34^2*z34) + (s13^2*z3)/(s12*s34^2*z34) + 
   (2*s13^3*z3)/(s12^2*s34^2*z34) - (s12*s13*z3)/(2*s134*s34^2*z34) + 
   (3*s13^2*z3)/(2*s134*s34^2*z34) + (2*s13^3*z3)/(s12*s134*s34^2*z34) - 
   (2*s14*z3)/(s34^2*z34) + (s13*s14*z3)/(s12*s34^2*z34) + 
   (6*s13^2*s14*z3)/(s12^2*s34^2*z34) - (s12*s14*z3)/(s134*s34^2*z34) + 
   (3*s13*s14*z3)/(2*s134*s34^2*z34) + (5*s13^2*s14*z3)/
    (s12*s134*s34^2*z34) + (6*s13*s14^2*z3)/(s12^2*s34^2*z34) + 
   (4*s13*s14^2*z3)/(s12*s134*s34^2*z34) + (2*s14^3*z3)/(s12^2*s34^2*z34) + 
   (s14^3*z3)/(s12*s134*s34^2*z34) - (s23*z3)/(s34^2*z34) - 
   (2*s13*s23*z3)/(s12*s34^2*z34) + (2*s13^2*s23*z3)/(s12^2*s34^2*z34) + 
   (5*s13^2*s23*z3)/(2*s12*s134*s34^2*z34) - (4*s14*s23*z3)/(s12*s34^2*z34) + 
   (3*s13*s14*s23*z3)/(s12^2*s34^2*z34) - (3*s14*s23*z3)/(2*s134*s34^2*z34) + 
   (3*s13*s14*s23*z3)/(s12*s134*s34^2*z34) + 
   (s14^2*s23*z3)/(s12^2*s34^2*z34) + (s14^2*s23*z3)/(2*s12*s134*s34^2*z34) - 
   (s23^2*z3)/(s12*s34^2*z34) + (s13*s23^2*z3)/(2*s12*s134*s34^2*z34) - 
   (s14*s23^2*z3)/(s12^2*s34^2*z34) - (s14*s23^2*z3)/(2*s12*s134*s34^2*z34) - 
   (s12*s23*z3)/(2*s234*s34^2*z34) + (s13^2*s23*z3)/(2*s12*s234*s34^2*z34) + 
   (s12*s13*s23*z3)/(s134*s234*s34^2*z34) + 
   (s13^2*s23*z3)/(s134*s234*s34^2*z34) + (s13*s14*s23*z3)/
    (s12*s234*s34^2*z34) + (s13*s14*s23*z3)/(s134*s234*s34^2*z34) + 
   (s14^2*s23*z3)/(2*s12*s234*s34^2*z34) - (s23^2*z3)/(2*s234*s34^2*z34) + 
   (s13*s23^2*z3)/(2*s12*s234*s34^2*z34) + 
   (s13*s23^2*z3)/(s134*s234*s34^2*z34) + (s14*s23^2*z3)/
    (2*s12*s234*s34^2*z34) - (2*s24*z3)/(s34^2*z34) - 
   (2*s13*s24*z3)/(s12*s34^2*z34) + (3*s13^2*s24*z3)/(s12^2*s34^2*z34) + 
   (s13*s24*z3)/(2*s134*s34^2*z34) + (3*s13^2*s24*z3)/(s12*s134*s34^2*z34) - 
   (4*s14*s24*z3)/(s12*s34^2*z34) + (5*s13*s14*s24*z3)/(s12^2*s34^2*z34) - 
   (s14*s24*z3)/(s134*s34^2*z34) + (4*s13*s14*s24*z3)/(s12*s134*s34^2*z34) + 
   (2*s14^2*s24*z3)/(s12^2*s34^2*z34) + (s14^2*s24*z3)/(s12*s134*s34^2*z34) - 
   (3*s23*s24*z3)/(s12*s34^2*z34) + (s13*s23*s24*z3)/(s12^2*s34^2*z34) + 
   (3*s13*s23*s24*z3)/(2*s12*s134*s34^2*z34) - 
   (s14*s23*s24*z3)/(s12^2*s34^2*z34) - (s14*s23*s24*z3)/
    (2*s12*s134*s34^2*z34) - (s12*s24*z3)/(s234*s34^2*z34) + 
   (s13^2*s24*z3)/(s12*s234*s34^2*z34) + (s12*s13*s24*z3)/
    (s134*s234*s34^2*z34) + (s13^2*s24*z3)/(s134*s234*s34^2*z34) + 
   (2*s13*s14*s24*z3)/(s12*s234*s34^2*z34) + (s13*s14*s24*z3)/
    (s134*s234*s34^2*z34) + (s14^2*s24*z3)/(s12*s234*s34^2*z34) - 
   (3*s23*s24*z3)/(2*s234*s34^2*z34) + (3*s13*s23*s24*z3)/
    (2*s12*s234*s34^2*z34) + (2*s13*s23*s24*z3)/(s134*s234*s34^2*z34) + 
   (3*s14*s23*s24*z3)/(2*s12*s234*s34^2*z34) - (2*s24^2*z3)/(s12*s34^2*z34) + 
   (s13*s24^2*z3)/(s12^2*s34^2*z34) + (s13*s24^2*z3)/(s12*s134*s34^2*z34) - 
   (s24^2*z3)/(s234*s34^2*z34) + (s13*s24^2*z3)/(s12*s234*s34^2*z34) + 
   (s13*s24^2*z3)/(s134*s234*s34^2*z34) + (s14*s24^2*z3)/
    (s12*s234*s34^2*z34) + z3/(s34*z34) + (2*s13*z3)/(s12*s34*z34) - 
   (3*s13*z3)/(4*s123*s34*z34) - (s13*z3)/(4*s124*s34*z34) + 
   (4*s13^2*z3)/(s12^2*s34*z34) + (s13^2*z3)/(4*s12*s123*s34*z34) - 
   (s13^2*z3)/(4*s12*s124*s34*z34) + (s13^3*z3)/(s12^2*s123*s34*z34) + 
   (3*s13*z3)/(2*s134*s34*z34) - (s12*s13*z3)/(s123*s134*s34*z34) + 
   (s12*s13*z3)/(2*s124*s134*s34*z34) + (4*s13^2*z3)/(s12*s134*s34*z34) + 
   (s13^2*z3)/(s123*s134*s34*z34) + (s13^2*z3)/(2*s124*s134*s34*z34) + 
   (2*s13^3*z3)/(s12*s123*s134*s34*z34) - (3*s14*z3)/(4*s123*s34*z34) - 
   (3*s14*z3)/(4*s124*s34*z34) + (7*s13*s14*z3)/(s12^2*s34*z34) - 
   (s13*s14*z3)/(4*s12*s123*s34*z34) + (s13*s14*z3)/(4*s12*s124*s34*z34) + 
   (9*s13^2*s14*z3)/(4*s12^2*s123*s34*z34) + (5*s13^2*s14*z3)/
    (4*s12^2*s124*s34*z34) - (s12*s14*z3)/(s123*s134*s34*z34) + 
   (s12*s14*z3)/(2*s124*s134*s34*z34) + (6*s13*s14*z3)/(s12*s134*s34*z34) + 
   (4*s13^2*s14*z3)/(s12*s123*s134*s34*z34) - 
   (s13^2*s14*z3)/(s12*s124*s134*s34*z34) + (3*s14^2*z3)/(s12^2*s34*z34) - 
   (s14^2*z3)/(2*s12*s123*s34*z34) + (s14^2*z3)/(2*s12*s124*s34*z34) + 
   (3*s13*s14^2*z3)/(2*s12^2*s123*s34*z34) + (5*s13*s14^2*z3)/
    (2*s12^2*s124*s34*z34) + (2*s14^2*z3)/(s12*s134*s34*z34) - 
   (s14^2*z3)/(s123*s134*s34*z34) - (s14^2*z3)/(2*s124*s134*s34*z34) + 
   (2*s13*s14^2*z3)/(s12*s123*s134*s34*z34) - 
   (2*s13*s14^2*z3)/(s12*s124*s134*s34*z34) + 
   (s14^3*z3)/(4*s12^2*s123*s34*z34) + (5*s14^3*z3)/(4*s12^2*s124*s34*z34) - 
   (s14^3*z3)/(s12*s124*s134*s34*z34) - (3*s23*z3)/(4*s123*s34*z34) - 
   (s23*z3)/(4*s124*s34*z34) + (2*s13*s23*z3)/(s12^2*s34*z34) - 
   (3*s13*s23*z3)/(2*s12*s123*s34*z34) - (s13*s23*z3)/(2*s12*s124*s34*z34) + 
   (s13^2*s23*z3)/(s12^2*s123*s34*z34) + (5*s13*s23*z3)/
    (2*s12*s134*s34*z34) - (s13*s23*z3)/(s123*s134*s34*z34) + 
   (s13*s23*z3)/(2*s124*s134*s34*z34) + (2*s13^2*s23*z3)/
    (s12*s123*s134*s34*z34) - (9*s14*s23*z3)/(4*s12*s123*s34*z34) - 
   (3*s14*s23*z3)/(4*s12*s124*s34*z34) + (s13*s14*s23*z3)/
    (2*s12^2*s123*s34*z34) + (3*s13*s14*s23*z3)/(2*s12^2*s124*s34*z34) + 
   (s14*s23*z3)/(2*s12*s134*s34*z34) - (s14*s23*z3)/(s123*s134*s34*z34) + 
   (s14*s23*z3)/(2*s124*s134*s34*z34) + (2*s13*s14*s23*z3)/
    (s12*s123*s134*s34*z34) - (s13*s14*s23*z3)/(s12*s124*s134*s34*z34) - 
   (s14^2*s23*z3)/(2*s12^2*s123*s34*z34) + (3*s14^2*s23*z3)/
    (2*s12^2*s124*s34*z34) - (s14^2*s23*z3)/(s12*s124*s134*s34*z34) - 
   (3*s23^2*z3)/(4*s12*s123*s34*z34) - (s23^2*z3)/(4*s12*s124*s34*z34) - 
   (3*s14*s23^2*z3)/(4*s12^2*s123*s34*z34) + 
   (s14*s23^2*z3)/(4*s12^2*s124*s34*z34) + (s13*z3)/(s234*s34*z34) + 
   (s13^2*z3)/(s12*s234*s34*z34) + (s12*s13*z3)/(s134*s234*s34*z34) + 
   (s13^2*z3)/(s134*s234*s34*z34) + (s13*s14*z3)/(s12*s234*s34*z34) + 
   (s13*s14*z3)/(s134*s234*s34*z34) - (s23*z3)/(2*s234*s34*z34) + 
   (s12*s23*z3)/(2*s123*s234*s34*z34) - (s12*s23*z3)/(s124*s234*s34*z34) + 
   (3*s13*s23*z3)/(2*s12*s234*s34*z34) - (s13*s23*z3)/(2*s123*s234*s34*z34) - 
   (s13*s23*z3)/(s124*s234*s34*z34) - (s13^2*s23*z3)/
    (s12*s123*s234*s34*z34) + (2*s13*s23*z3)/(s134*s234*s34*z34) + 
   (s14*s23*z3)/(2*s12*s234*s34*z34) + (s14*s23*z3)/(2*s123*s234*s34*z34) + 
   (s14*s23*z3)/(s124*s234*s34*z34) - (s13*s14*s23*z3)/
    (s12*s123*s234*s34*z34) + (2*s13*s14*s23*z3)/(s12*s124*s234*s34*z34) + 
   (2*s14^2*s23*z3)/(s12*s124*s234*s34*z34) + 
   (s23^2*z3)/(2*s123*s234*s34*z34) - (s23^2*z3)/(s124*s234*s34*z34) - 
   (s13*s23^2*z3)/(s12*s123*s234*s34*z34) + (2*s14*s23^2*z3)/
    (s12*s124*s234*s34*z34) - (s24*z3)/(s12*s34*z34) - 
   (3*s24*z3)/(4*s123*s34*z34) - (3*s24*z3)/(4*s124*s34*z34) + 
   (3*s13*s24*z3)/(s12^2*s34*z34) - (s13*s24*z3)/(s12*s123*s34*z34) - 
   (3*s13*s24*z3)/(2*s12*s124*s34*z34) + (3*s13^2*s24*z3)/
    (2*s12^2*s123*s34*z34) - (s13^2*s24*z3)/(2*s12^2*s124*s34*z34) + 
   (3*s13*s24*z3)/(s12*s134*s34*z34) - (s13*s24*z3)/(s123*s134*s34*z34) + 
   (s13*s24*z3)/(2*s124*s134*s34*z34) + (2*s13^2*s24*z3)/
    (s12*s123*s134*s34*z34) + (s14*s24*z3)/(s12^2*s34*z34) - 
   (7*s14*s24*z3)/(4*s12*s123*s34*z34) - (7*s14*s24*z3)/
    (4*s12*s124*s34*z34) + (3*s13*s14*s24*z3)/(2*s12^2*s123*s34*z34) + 
   (s13*s14*s24*z3)/(2*s12^2*s124*s34*z34) + 
   (s14*s24*z3)/(s12*s134*s34*z34) - (s14*s24*z3)/(s123*s134*s34*z34) + 
   (s14*s24*z3)/(2*s124*s134*s34*z34) + (2*s13*s14*s24*z3)/
    (s12*s123*s134*s34*z34) - (s13*s14*s24*z3)/(s12*s124*s134*s34*z34) + 
   (s14^2*s24*z3)/(s12^2*s124*s34*z34) - (s14^2*s24*z3)/
    (s12*s124*s134*s34*z34) - (3*s23*s24*z3)/(2*s12*s123*s34*z34) - 
   (s23*s24*z3)/(s12*s124*s34*z34) + (s13*s23*s24*z3)/
    (2*s12^2*s123*s34*z34) - (s13*s23*s24*z3)/(2*s12^2*s124*s34*z34) - 
   (s14*s23*s24*z3)/(s12^2*s123*s34*z34) - (s24*z3)/(s234*s34*z34) + 
   (s12*s24*z3)/(2*s123*s234*s34*z34) - (s12*s24*z3)/(s124*s234*s34*z34) + 
   (2*s13*s24*z3)/(s12*s234*s34*z34) - (s13*s24*z3)/(2*s123*s234*s34*z34) - 
   (s13*s24*z3)/(s124*s234*s34*z34) - (s13^2*s24*z3)/
    (s12*s123*s234*s34*z34) + (2*s13*s24*z3)/(s134*s234*s34*z34) + 
   (s14*s24*z3)/(s12*s234*s34*z34) + (s14*s24*z3)/(2*s123*s234*s34*z34) + 
   (s14*s24*z3)/(s124*s234*s34*z34) - (s13*s14*s24*z3)/
    (s12*s123*s234*s34*z34) + (2*s13*s14*s24*z3)/(s12*s124*s234*s34*z34) + 
   (2*s14^2*s24*z3)/(s12*s124*s234*s34*z34) + 
   (s23*s24*z3)/(s123*s234*s34*z34) - (2*s23*s24*z3)/(s124*s234*s34*z34) - 
   (2*s13*s23*s24*z3)/(s12*s123*s234*s34*z34) + 
   (4*s14*s23*s24*z3)/(s12*s124*s234*s34*z34) - 
   (3*s24^2*z3)/(4*s12*s123*s34*z34) - (3*s24^2*z3)/(4*s12*s124*s34*z34) + 
   (s13*s24^2*z3)/(2*s12^2*s123*s34*z34) - 
   (s13*s24^2*z3)/(2*s12^2*s124*s34*z34) - 
   (s14*s24^2*z3)/(4*s12^2*s123*s34*z34) - 
   (s14*s24^2*z3)/(4*s12^2*s124*s34*z34) + (s24^2*z3)/(2*s123*s234*s34*z34) - 
   (s24^2*z3)/(s124*s234*s34*z34) - (s13*s24^2*z3)/(s12*s123*s234*s34*z34) + 
   (2*s14*s24^2*z3)/(s12*s124*s234*s34*z34) + (s13*s34*z3)/(s12^2*s123*z34) - 
   (s34*z3)/(s123*s134*z34) + (s34*z3)/(2*s124*s134*z34) + 
   (2*s13*s34*z3)/(s12*s123*s134*z34) + (s14*s34*z3)/(s12^2*s124*z34) - 
   (s14*s34*z3)/(s12*s124*s134*z34) + (s34*z3)/(2*s123*s234*z34) - 
   (s34*z3)/(s124*s234*z34) - (s13*s34*z3)/(s12*s123*s234*z34) + 
   (2*s14*s34*z3)/(s12*s124*s234*z34) - (3*z1*z3)/(s12*z12*z34) - 
   (z1*z3)/(2*s123*z12*z34) - (3*z1*z3)/(2*s124*z12*z34) - 
   (2*s13*z1*z3)/(s12^2*z12*z34) - (9*s13*z1*z3)/(4*s12*s123*z12*z34) - 
   (11*s13*z1*z3)/(4*s12*s124*z12*z34) - (2*s13^2*z1*z3)/
    (s12^2*s123*z12*z34) - (z1*z3)/(2*s134*z12*z34) - 
   (2*s12*z1*z3)/(s123*s134*z12*z34) + (s12*z1*z3)/(s124*s134*z12*z34) - 
   (3*s13*z1*z3)/(4*s12*s134*z12*z34) - (6*s13*z1*z3)/(s123*s134*z12*z34) + 
   (2*s13*z1*z3)/(s124*s134*z12*z34) - (4*s13^2*z1*z3)/
    (s12*s123*s134*z12*z34) - (s14*z1*z3)/(s12^2*z12*z34) - 
   (7*s14*z1*z3)/(4*s12*s123*z12*z34) - (17*s14*z1*z3)/(4*s12*s124*z12*z34) - 
   (9*s13*s14*z1*z3)/(4*s12^2*s123*z12*z34) - 
   (9*s13*s14*z1*z3)/(4*s12^2*s124*z12*z34) - 
   (s14*z1*z3)/(4*s12*s134*z12*z34) - (4*s14*z1*z3)/(s123*s134*z12*z34) + 
   (3*s14*z1*z3)/(s124*s134*z12*z34) - (4*s13*s14*z1*z3)/
    (s12*s123*s134*z12*z34) + (2*s13*s14*z1*z3)/(s12*s124*s134*z12*z34) - 
   (s14^2*z1*z3)/(4*s12^2*s123*z12*z34) - (9*s14^2*z1*z3)/
    (4*s12^2*s124*z12*z34) + (2*s14^2*z1*z3)/(s12*s124*s134*z12*z34) - 
   (4*s23*z1*z3)/(s12^2*z12*z34) - (11*s23*z1*z3)/(4*s12*s123*z12*z34) - 
   (9*s23*z1*z3)/(4*s12*s124*z12*z34) - (5*s13*s23*z1*z3)/
    (s12^2*s123*z12*z34) - (5*s23*z1*z3)/(4*s12*s134*z12*z34) - 
   (4*s23*z1*z3)/(s123*s134*z12*z34) + (s23*z1*z3)/(s124*s134*z12*z34) - 
   (6*s13*s23*z1*z3)/(s12*s123*s134*z12*z34) - 
   (15*s14*s23*z1*z3)/(4*s12^2*s123*z12*z34) - 
   (7*s14*s23*z1*z3)/(4*s12^2*s124*z12*z34) - 
   (4*s14*s23*z1*z3)/(s12*s123*s134*z12*z34) + 
   (s14*s23*z1*z3)/(s12*s124*s134*z12*z34) - 
   (3*s23^2*z1*z3)/(s12^2*s123*z12*z34) - (2*s23^2*z1*z3)/
    (s12*s123*s134*z12*z34) - (3*z1*z3)/(2*s234*z12*z34) + 
   (s12*z1*z3)/(s123*s234*z12*z34) - (2*s12*z1*z3)/(s124*s234*z12*z34) - 
   (5*s13*z1*z3)/(4*s12*s234*z12*z34) + (2*s13*z1*z3)/(s123*s234*z12*z34) - 
   (2*s13*z1*z3)/(s124*s234*z12*z34) + (s13^2*z1*z3)/
    (s12*s123*s234*z12*z34) - (3*s14*z1*z3)/(4*s12*s234*z12*z34) + 
   (s14*z1*z3)/(s123*s234*z12*z34) - (4*s14*z1*z3)/(s124*s234*z12*z34) + 
   (s13*s14*z1*z3)/(s12*s123*s234*z12*z34) - (2*s13*s14*z1*z3)/
    (s12*s124*s234*z12*z34) - (2*s14^2*z1*z3)/(s12*s124*s234*z12*z34) - 
   (7*s23*z1*z3)/(4*s12*s234*z12*z34) + (3*s23*z1*z3)/(s123*s234*z12*z34) - 
   (4*s23*z1*z3)/(s124*s234*z12*z34) + (3*s13*s23*z1*z3)/
    (s12*s123*s234*z12*z34) + (s14*s23*z1*z3)/(s12*s123*s234*z12*z34) - 
   (4*s14*s23*z1*z3)/(s12*s124*s234*z12*z34) + 
   (2*s23^2*z1*z3)/(s12*s123*s234*z12*z34) - (2*s24*z1*z3)/(s12^2*z12*z34) - 
   (3*s24*z1*z3)/(4*s12*s123*z12*z34) - (17*s24*z1*z3)/(4*s12*s124*z12*z34) - 
   (3*s13*s24*z1*z3)/(2*s12^2*s123*z12*z34) - 
   (7*s13*s24*z1*z3)/(2*s12^2*s124*z12*z34) - 
   (s24*z1*z3)/(4*s12*s134*z12*z34) - (2*s24*z1*z3)/(s123*s134*z12*z34) + 
   (2*s24*z1*z3)/(s124*s134*z12*z34) - (2*s13*s24*z1*z3)/
    (s12*s123*s134*z12*z34) + (2*s13*s24*z1*z3)/(s12*s124*s134*z12*z34) - 
   (s14*s24*z1*z3)/(4*s12^2*s123*z12*z34) - (21*s14*s24*z1*z3)/
    (4*s12^2*s124*z12*z34) + (3*s14*s24*z1*z3)/(s12*s124*s134*z12*z34) - 
   (3*s23*s24*z1*z3)/(s12^2*s123*z12*z34) - (3*s23*s24*z1*z3)/
    (s12^2*s124*z12*z34) - (2*s23*s24*z1*z3)/(s12*s123*s134*z12*z34) + 
   (s23*s24*z1*z3)/(s12*s124*s134*z12*z34) - 
   (3*s24*z1*z3)/(4*s12*s234*z12*z34) + (2*s24*z1*z3)/(s123*s234*z12*z34) - 
   (6*s24*z1*z3)/(s124*s234*z12*z34) + (2*s13*s24*z1*z3)/
    (s12*s123*s234*z12*z34) - (2*s13*s24*z1*z3)/(s12*s124*s234*z12*z34) - 
   (6*s14*s24*z1*z3)/(s12*s124*s234*z12*z34) + 
   (2*s23*s24*z1*z3)/(s12*s123*s234*z12*z34) - 
   (4*s23*s24*z1*z3)/(s12*s124*s234*z12*z34) - 
   (3*s24^2*z1*z3)/(s12^2*s124*z12*z34) + 
   (s24^2*z1*z3)/(s12*s124*s134*z12*z34) - (4*s24^2*z1*z3)/
    (s12*s124*s234*z12*z34) - (2*s13*z1*z3)/(s34^2*z12*z34) - 
   (4*s13^2*z1*z3)/(s12*s34^2*z12*z34) - (2*s13^3*z1*z3)/
    (s12^2*s34^2*z12*z34) - (s12*s13*z1*z3)/(s134*s34^2*z12*z34) - 
   (2*s13^2*z1*z3)/(s134*s34^2*z12*z34) - 
   (s13^3*z1*z3)/(s12*s134*s34^2*z12*z34) - (4*s14*z1*z3)/(s34^2*z12*z34) - 
   (10*s13*s14*z1*z3)/(s12*s34^2*z12*z34) - (6*s13^2*s14*z1*z3)/
    (s12^2*s34^2*z12*z34) - (2*s12*s14*z1*z3)/(s134*s34^2*z12*z34) - 
   (5*s13*s14*z1*z3)/(s134*s34^2*z12*z34) - (3*s13^2*s14*z1*z3)/
    (s12*s134*s34^2*z12*z34) - (6*s14^2*z1*z3)/(s12*s34^2*z12*z34) - 
   (6*s13*s14^2*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s14^2*z1*z3)/(s134*s34^2*z12*z34) - (3*s13*s14^2*z1*z3)/
    (s12*s134*s34^2*z12*z34) - (2*s14^3*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s14^3*z1*z3)/(s12*s134*s34^2*z12*z34) - (s23*z1*z3)/(s34^2*z12*z34) - 
   (7*s13*s23*z1*z3)/(s12*s34^2*z12*z34) - (6*s13^2*s23*z1*z3)/
    (s12^2*s34^2*z12*z34) - (9*s13*s23*z1*z3)/(4*s134*s34^2*z12*z34) - 
   (9*s13^2*s23*z1*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (10*s14*s23*z1*z3)/(s12*s34^2*z12*z34) - (13*s13*s14*s23*z1*z3)/
    (s12^2*s34^2*z12*z34) - (15*s14*s23*z1*z3)/(4*s134*s34^2*z12*z34) - 
   (5*s13*s14*s23*z1*z3)/(s12*s134*s34^2*z12*z34) - 
   (7*s14^2*s23*z1*z3)/(s12^2*s34^2*z12*z34) - (11*s14^2*s23*z1*z3)/
    (4*s12*s134*s34^2*z12*z34) - (3*s23^2*z1*z3)/(s12*s34^2*z12*z34) - 
   (6*s13*s23^2*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s23^2*z1*z3)/(4*s134*s34^2*z12*z34) - (3*s13*s23^2*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) - (7*s14*s23^2*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (2*s14*s23^2*z1*z3)/(s12*s134*s34^2*z12*z34) - 
   (2*s23^3*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s23^3*z1*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (s12*s23*z1*z3)/(s234*s34^2*z12*z34) - (9*s13*s23*z1*z3)/
    (4*s234*s34^2*z12*z34) - (5*s13^2*s23*z1*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (7*s14*s23*z1*z3)/(4*s234*s34^2*z12*z34) - (2*s13*s14*s23*z1*z3)/
    (s12*s234*s34^2*z12*z34) - (3*s14^2*s23*z1*z3)/
    (4*s12*s234*s34^2*z12*z34) - (9*s23^2*z1*z3)/(4*s234*s34^2*z12*z34) - 
   (5*s13*s23^2*z1*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (2*s14*s23^2*z1*z3)/(s12*s234*s34^2*z12*z34) - 
   (5*s23^3*z1*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (2*s24*z1*z3)/(s34^2*z12*z34) - (7*s13*s24*z1*z3)/(s12*s34^2*z12*z34) - 
   (5*s13^2*s24*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s13*s24*z1*z3)/(2*s134*s34^2*z12*z34) - (3*s13^2*s24*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) - (10*s14*s24*z1*z3)/(s12*s34^2*z12*z34) - 
   (11*s13*s14*s24*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s14*s24*z1*z3)/(s134*s34^2*z12*z34) - (7*s13*s14*s24*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) - (6*s14^2*s24*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (2*s14^2*s24*z1*z3)/(s12*s134*s34^2*z12*z34) - 
   (7*s23*s24*z1*z3)/(s12*s34^2*z12*z34) - (11*s13*s23*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) - (s23*s24*z1*z3)/(4*s134*s34^2*z12*z34) - 
   (2*s13*s23*s24*z1*z3)/(s12*s134*s34^2*z12*z34) - 
   (13*s14*s23*s24*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s14*s23*s24*z1*z3)/(s12*s134*s34^2*z12*z34) - 
   (6*s23^2*s24*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s23^2*s24*z1*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (2*s12*s24*z1*z3)/(s234*s34^2*z12*z34) - (7*s13*s24*z1*z3)/
    (2*s234*s34^2*z12*z34) - (3*s13^2*s24*z1*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (3*s14*s24*z1*z3)/(s234*s34^2*z12*z34) - (5*s13*s14*s24*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s14^2*s24*z1*z3)/(s12*s234*s34^2*z12*z34) - 
   (21*s23*s24*z1*z3)/(4*s234*s34^2*z12*z34) - (5*s13*s23*s24*z1*z3)/
    (s12*s234*s34^2*z12*z34) - (4*s14*s23*s24*z1*z3)/
    (s12*s234*s34^2*z12*z34) - (7*s23^2*s24*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) - (4*s24^2*z1*z3)/(s12*s34^2*z12*z34) - 
   (5*s13*s24^2*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s13*s24^2*z1*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (6*s14*s24^2*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s14*s24^2*z1*z3)/(s12*s134*s34^2*z12*z34) - 
   (6*s23*s24^2*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s23*s24^2*z1*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (3*s24^2*z1*z3)/(s234*s34^2*z12*z34) - (5*s13*s24^2*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) - (2*s14*s24^2*z1*z3)/
    (s12*s234*s34^2*z12*z34) - (13*s23*s24^2*z1*z3)/
    (4*s12*s234*s34^2*z12*z34) - (2*s24^3*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s24^3*z1*z3)/(s12*s234*s34^2*z12*z34) - (3*z1*z3)/(s34*z12*z34) - 
   (7*s13*z1*z3)/(s12*s34*z12*z34) - (3*s13*z1*z3)/(4*s123*s34*z12*z34) - 
   (5*s13*z1*z3)/(4*s124*s34*z12*z34) - (4*s13^2*z1*z3)/(s12^2*s34*z12*z34) - 
   (7*s13^2*z1*z3)/(4*s12*s123*s34*z12*z34) - 
   (5*s13^2*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13^3*z1*z3)/(s12^2*s123*s34*z12*z34) - 
   (s12*z1*z3)/(2*s134*s34*z12*z34) - (9*s13*z1*z3)/(4*s134*s34*z12*z34) - 
   (2*s12*s13*z1*z3)/(s123*s134*s34*z12*z34) + 
   (s12*s13*z1*z3)/(s124*s134*s34*z12*z34) - 
   (7*s13^2*z1*z3)/(4*s12*s134*s34*z12*z34) - 
   (4*s13^2*z1*z3)/(s123*s134*s34*z12*z34) + 
   (s13^2*z1*z3)/(s124*s134*s34*z12*z34) - (2*s13^3*z1*z3)/
    (s12*s123*s134*s34*z12*z34) - (8*s14*z1*z3)/(s12*s34*z12*z34) - 
   (5*s14*z1*z3)/(4*s123*s34*z12*z34) - (7*s14*z1*z3)/(4*s124*s34*z12*z34) - 
   (7*s13*s14*z1*z3)/(s12^2*s34*z12*z34) - (13*s13*s14*z1*z3)/
    (4*s12*s123*s34*z12*z34) - (17*s13*s14*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (9*s13^2*s14*z1*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (5*s13^2*s14*z1*z3)/(4*s12^2*s124*s34*z12*z34) - 
   (11*s14*z1*z3)/(4*s134*s34*z12*z34) - (2*s12*s14*z1*z3)/
    (s123*s134*s34*z12*z34) + (s12*s14*z1*z3)/(s124*s134*s34*z12*z34) - 
   (3*s13*s14*z1*z3)/(s12*s134*s34*z12*z34) - 
   (6*s13*s14*z1*z3)/(s123*s134*s34*z12*z34) + 
   (3*s13*s14*z1*z3)/(s124*s134*s34*z12*z34) - (4*s13^2*s14*z1*z3)/
    (s12*s123*s134*s34*z12*z34) + (s13^2*s14*z1*z3)/
    (s12*s124*s134*s34*z12*z34) - (3*s14^2*z1*z3)/(s12^2*s34*z12*z34) - 
   (3*s14^2*z1*z3)/(2*s12*s123*s34*z12*z34) - 
   (3*s14^2*z1*z3)/(s12*s124*s34*z12*z34) - (3*s13*s14^2*z1*z3)/
    (2*s12^2*s123*s34*z12*z34) - (5*s13*s14^2*z1*z3)/
    (2*s12^2*s124*s34*z12*z34) - (5*s14^2*z1*z3)/(4*s12*s134*s34*z12*z34) - 
   (2*s14^2*z1*z3)/(s123*s134*s34*z12*z34) + 
   (2*s14^2*z1*z3)/(s124*s134*s34*z12*z34) - (2*s13*s14^2*z1*z3)/
    (s12*s123*s134*s34*z12*z34) + (2*s13*s14^2*z1*z3)/
    (s12*s124*s134*s34*z12*z34) - (s14^3*z1*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (5*s14^3*z1*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s14^3*z1*z3)/(s12*s124*s134*s34*z12*z34) - 
   (8*s23*z1*z3)/(s12*s34*z12*z34) - (s23*z1*z3)/(4*s123*s34*z12*z34) - 
   (3*s23*z1*z3)/(4*s124*s34*z12*z34) - (10*s13*s23*z1*z3)/
    (s12^2*s34*z12*z34) - (3*s13*s23*z1*z3)/(s12*s123*s34*z12*z34) - 
   (2*s13*s23*z1*z3)/(s12*s124*s34*z12*z34) - (3*s13^2*s23*z1*z3)/
    (s12^2*s123*s34*z12*z34) - (7*s23*z1*z3)/(4*s134*s34*z12*z34) - 
   (13*s13*s23*z1*z3)/(4*s12*s134*s34*z12*z34) - 
   (4*s13*s23*z1*z3)/(s123*s134*s34*z12*z34) + 
   (s13*s23*z1*z3)/(s124*s134*s34*z12*z34) - (4*s13^2*s23*z1*z3)/
    (s12*s123*s134*s34*z12*z34) - (10*s14*s23*z1*z3)/(s12^2*s34*z12*z34) - 
   (13*s14*s23*z1*z3)/(4*s12*s123*s34*z12*z34) - 
   (13*s14*s23*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (5*s13*s14*s23*z1*z3)/(s12^2*s123*s34*z12*z34) - 
   (2*s13*s14*s23*z1*z3)/(s12^2*s124*s34*z12*z34) - 
   (13*s14*s23*z1*z3)/(4*s12*s134*s34*z12*z34) - 
   (4*s14*s23*z1*z3)/(s123*s134*s34*z12*z34) + 
   (s14*s23*z1*z3)/(s124*s134*s34*z12*z34) - (6*s13*s14*s23*z1*z3)/
    (s12*s123*s134*s34*z12*z34) + (s13*s14*s23*z1*z3)/
    (s12*s124*s134*s34*z12*z34) - (2*s14^2*s23*z1*z3)/
    (s12^2*s123*s34*z12*z34) - (2*s14^2*s23*z1*z3)/(s12^2*s124*s34*z12*z34) - 
   (2*s14^2*s23*z1*z3)/(s12*s123*s134*s34*z12*z34) + 
   (s14^2*s23*z1*z3)/(s12*s124*s134*s34*z12*z34) - 
   (6*s23^2*z1*z3)/(s12^2*s34*z12*z34) - (5*s23^2*z1*z3)/
    (4*s12*s123*s34*z12*z34) - (3*s23^2*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (3*s13*s23^2*z1*z3)/(s12^2*s123*s34*z12*z34) - 
   (3*s23^2*z1*z3)/(2*s12*s134*s34*z12*z34) - (2*s13*s23^2*z1*z3)/
    (s12*s123*s134*s34*z12*z34) - (11*s14*s23^2*z1*z3)/
    (4*s12^2*s123*s34*z12*z34) - (3*s14*s23^2*z1*z3)/
    (4*s12^2*s124*s34*z12*z34) - (2*s14*s23^2*z1*z3)/
    (s12*s123*s134*s34*z12*z34) - (s23^3*z1*z3)/(s12^2*s123*s34*z12*z34) - 
   (3*s12*z1*z3)/(2*s234*s34*z12*z34) - (11*s13*z1*z3)/(4*s234*s34*z12*z34) - 
   (5*s13^2*z1*z3)/(4*s12*s234*s34*z12*z34) - 
   (9*s14*z1*z3)/(4*s234*s34*z12*z34) - (2*s13*s14*z1*z3)/
    (s12*s234*s34*z12*z34) - (3*s14^2*z1*z3)/(4*s12*s234*s34*z12*z34) - 
   (17*s23*z1*z3)/(4*s234*s34*z12*z34) + (s12*s23*z1*z3)/
    (s123*s234*s34*z12*z34) - (2*s12*s23*z1*z3)/(s124*s234*s34*z12*z34) - 
   (17*s13*s23*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (2*s13*s23*z1*z3)/(s123*s234*s34*z12*z34) - 
   (2*s13*s23*z1*z3)/(s124*s234*s34*z12*z34) + 
   (s13^2*s23*z1*z3)/(s12*s123*s234*s34*z12*z34) - 
   (13*s14*s23*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (s14*s23*z1*z3)/(s123*s234*s34*z12*z34) - (4*s14*s23*z1*z3)/
    (s124*s234*s34*z12*z34) + (s13*s14*s23*z1*z3)/(s12*s123*s234*s34*z12*
     z34) - (2*s13*s14*s23*z1*z3)/(s12*s124*s234*s34*z12*z34) - 
   (2*s14^2*s23*z1*z3)/(s12*s124*s234*s34*z12*z34) - 
   (3*s23^2*z1*z3)/(s12*s234*s34*z12*z34) + (2*s23^2*z1*z3)/
    (s123*s234*s34*z12*z34) - (2*s23^2*z1*z3)/(s124*s234*s34*z12*z34) + 
   (2*s13*s23^2*z1*z3)/(s12*s123*s234*s34*z12*z34) + 
   (s14*s23^2*z1*z3)/(s12*s123*s234*s34*z12*z34) - 
   (2*s14*s23^2*z1*z3)/(s12*s124*s234*s34*z12*z34) + 
   (s23^3*z1*z3)/(s12*s123*s234*s34*z12*z34) - 
   (7*s24*z1*z3)/(s12*s34*z12*z34) - (s24*z1*z3)/(4*s123*s34*z12*z34) - 
   (3*s24*z1*z3)/(4*s124*s34*z12*z34) - (7*s13*s24*z1*z3)/
    (s12^2*s34*z12*z34) - (3*s13*s24*z1*z3)/(2*s12*s123*s34*z12*z34) - 
   (7*s13*s24*z1*z3)/(2*s12*s124*s34*z12*z34) - 
   (3*s13^2*s24*z1*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (3*s13^2*s24*z1*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (3*s24*z1*z3)/(4*s134*s34*z12*z34) - (3*s13*s24*z1*z3)/
    (2*s12*s134*s34*z12*z34) - (2*s13*s24*z1*z3)/(s123*s134*s34*z12*z34) + 
   (2*s13*s24*z1*z3)/(s124*s134*s34*z12*z34) - (2*s13^2*s24*z1*z3)/
    (s12*s123*s134*s34*z12*z34) + (s13^2*s24*z1*z3)/
    (s12*s124*s134*s34*z12*z34) - (7*s14*s24*z1*z3)/(s12^2*s34*z12*z34) - 
   (7*s14*s24*z1*z3)/(4*s12*s123*s34*z12*z34) - 
   (19*s14*s24*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (2*s13*s14*s24*z1*z3)/(s12^2*s123*s34*z12*z34) - 
   (5*s13*s14*s24*z1*z3)/(s12^2*s124*s34*z12*z34) - 
   (3*s14*s24*z1*z3)/(2*s12*s134*s34*z12*z34) - 
   (2*s14*s24*z1*z3)/(s123*s134*s34*z12*z34) + 
   (2*s14*s24*z1*z3)/(s124*s134*s34*z12*z34) - (2*s13*s14*s24*z1*z3)/
    (s12*s123*s134*s34*z12*z34) + (3*s13*s14*s24*z1*z3)/
    (s12*s124*s134*s34*z12*z34) - (s14^2*s24*z1*z3)/
    (2*s12^2*s123*s34*z12*z34) - (7*s14^2*s24*z1*z3)/
    (2*s12^2*s124*s34*z12*z34) + (2*s14^2*s24*z1*z3)/
    (s12*s124*s134*s34*z12*z34) - (10*s23*s24*z1*z3)/(s12^2*s34*z12*z34) - 
   (3*s23*s24*z1*z3)/(2*s12*s123*s34*z12*z34) - 
   (5*s23*s24*z1*z3)/(2*s12*s124*s34*z12*z34) - (7*s13*s23*s24*z1*z3)/
    (2*s12^2*s123*s34*z12*z34) - (5*s13*s23*s24*z1*z3)/
    (2*s12^2*s124*s34*z12*z34) - (7*s23*s24*z1*z3)/(4*s12*s134*s34*z12*z34) - 
   (2*s13*s23*s24*z1*z3)/(s12*s123*s134*s34*z12*z34) + 
   (s13*s23*s24*z1*z3)/(s12*s124*s134*s34*z12*z34) - 
   (3*s14*s23*s24*z1*z3)/(s12^2*s123*s34*z12*z34) - 
   (4*s14*s23*s24*z1*z3)/(s12^2*s124*s34*z12*z34) - 
   (2*s14*s23*s24*z1*z3)/(s12*s123*s134*s34*z12*z34) + 
   (s14*s23*s24*z1*z3)/(s12*s124*s134*s34*z12*z34) - 
   (2*s23^2*s24*z1*z3)/(s12^2*s123*s34*z12*z34) - 
   (s23^2*s24*z1*z3)/(s12^2*s124*s34*z12*z34) - 
   (17*s24*z1*z3)/(4*s234*s34*z12*z34) + (s12*s24*z1*z3)/
    (s123*s234*s34*z12*z34) - (2*s12*s24*z1*z3)/(s124*s234*s34*z12*z34) - 
   (7*s13*s24*z1*z3)/(2*s12*s234*s34*z12*z34) + 
   (2*s13*s24*z1*z3)/(s123*s234*s34*z12*z34) - 
   (2*s13*s24*z1*z3)/(s124*s234*s34*z12*z34) + 
   (s13^2*s24*z1*z3)/(s12*s123*s234*s34*z12*z34) - 
   (5*s14*s24*z1*z3)/(2*s12*s234*s34*z12*z34) + 
   (s14*s24*z1*z3)/(s123*s234*s34*z12*z34) - (4*s14*s24*z1*z3)/
    (s124*s234*s34*z12*z34) + (s13*s14*s24*z1*z3)/(s12*s123*s234*s34*z12*
     z34) - (2*s13*s14*s24*z1*z3)/(s12*s124*s234*s34*z12*z34) - 
   (2*s14^2*s24*z1*z3)/(s12*s124*s234*s34*z12*z34) - 
   (19*s23*s24*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (3*s23*s24*z1*z3)/(s123*s234*s34*z12*z34) - 
   (6*s23*s24*z1*z3)/(s124*s234*s34*z12*z34) + (3*s13*s23*s24*z1*z3)/
    (s12*s123*s234*s34*z12*z34) - (2*s13*s23*s24*z1*z3)/
    (s12*s124*s234*s34*z12*z34) + (s14*s23*s24*z1*z3)/
    (s12*s123*s234*s34*z12*z34) - (6*s14*s23*s24*z1*z3)/
    (s12*s124*s234*s34*z12*z34) + (2*s23^2*s24*z1*z3)/
    (s12*s123*s234*s34*z12*z34) - (2*s23^2*s24*z1*z3)/
    (s12*s124*s234*s34*z12*z34) - (4*s24^2*z1*z3)/(s12^2*s34*z12*z34) - 
   (s24^2*z1*z3)/(4*s12*s123*s34*z12*z34) - (7*s24^2*z1*z3)/
    (4*s12*s124*s34*z12*z34) - (s13*s24^2*z1*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (5*s13*s24^2*z1*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (s24^2*z1*z3)/(4*s12*s134*s34*z12*z34) + (s13*s24^2*z1*z3)/
    (s12*s124*s134*s34*z12*z34) - (s14*s24^2*z1*z3)/
    (4*s12^2*s123*s34*z12*z34) - (13*s14*s24^2*z1*z3)/
    (4*s12^2*s124*s34*z12*z34) + (s14*s24^2*z1*z3)/
    (s12*s124*s134*s34*z12*z34) - (s23*s24^2*z1*z3)/
    (s12^2*s123*s34*z12*z34) - (2*s23*s24^2*z1*z3)/(s12^2*s124*s34*z12*z34) - 
   (7*s24^2*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (s24^2*z1*z3)/(s123*s234*s34*z12*z34) - (4*s24^2*z1*z3)/
    (s124*s234*s34*z12*z34) + (s13*s24^2*z1*z3)/(s12*s123*s234*s34*z12*z34) - 
   (2*s13*s24^2*z1*z3)/(s12*s124*s234*s34*z12*z34) - 
   (4*s14*s24^2*z1*z3)/(s12*s124*s234*s34*z12*z34) + 
   (s23*s24^2*z1*z3)/(s12*s123*s234*s34*z12*z34) - 
   (4*s23*s24^2*z1*z3)/(s12*s124*s234*s34*z12*z34) - 
   (s24^3*z1*z3)/(s12^2*s124*s34*z12*z34) - (2*s24^3*z1*z3)/
    (s12*s124*s234*s34*z12*z34) - (s34*z1*z3)/(2*s12*s123*z12*z34) - 
   (3*s34*z1*z3)/(2*s12*s124*z12*z34) - (s13*s34*z1*z3)/
    (s12^2*s123*z12*z34) - (2*s34*z1*z3)/(s123*s134*z12*z34) + 
   (s34*z1*z3)/(s124*s134*z12*z34) - (2*s13*s34*z1*z3)/
    (s12*s123*s134*z12*z34) - (s14*s34*z1*z3)/(s12^2*s124*z12*z34) + 
   (s14*s34*z1*z3)/(s12*s124*s134*z12*z34) - (2*s23*s34*z1*z3)/
    (s12^2*s123*z12*z34) - (2*s23*s34*z1*z3)/(s12*s123*s134*z12*z34) + 
   (s34*z1*z3)/(s123*s234*z12*z34) - (2*s34*z1*z3)/(s124*s234*z12*z34) + 
   (s13*s34*z1*z3)/(s12*s123*s234*z12*z34) - (2*s14*s34*z1*z3)/
    (s12*s124*s234*z12*z34) + (s23*s34*z1*z3)/(s12*s123*s234*z12*z34) - 
   (2*s24*s34*z1*z3)/(s12^2*s124*z12*z34) + (s24*s34*z1*z3)/
    (s12*s124*s134*z12*z34) - (2*s24*s34*z1*z3)/(s12*s124*s234*z12*z34) + 
   (4*z1*z2*z3)/(s12*z12^2*z34) + (2*z1*z2*z3)/(s123*z12^2*z34) + 
   (2*z1*z2*z3)/(s124*z12^2*z34) + (4*s13*z1*z2*z3)/(s12^2*z12^2*z34) + 
   (5*s13*z1*z2*z3)/(s12*s123*z12^2*z34) + (3*s13*z1*z2*z3)/
    (s12*s124*z12^2*z34) + (3*s13^2*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (2*s14*z1*z2*z3)/(s12^2*z12^2*z34) + (3*s14*z1*z2*z3)/
    (s12*s123*z12^2*z34) + (5*s14*z1*z2*z3)/(s12*s124*z12^2*z34) + 
   (3*s13*s14*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (3*s13*s14*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (3*s14^2*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (4*s23*z1*z2*z3)/(s12^2*z12^2*z34) + (5*s23*z1*z2*z3)/
    (s12*s123*z12^2*z34) + (3*s23*z1*z2*z3)/(s12*s124*z12^2*z34) + 
   (6*s13*s23*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (3*s14*s23*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (3*s14*s23*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (3*s23^2*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (2*s24*z1*z2*z3)/(s12^2*z12^2*z34) + (3*s24*z1*z2*z3)/
    (s12*s123*z12^2*z34) + (5*s24*z1*z2*z3)/(s12*s124*z12^2*z34) + 
   (3*s13*s24*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (3*s13*s24*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (6*s14*s24*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (3*s23*s24*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (3*s23*s24*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (3*s24^2*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (2*s13*z1*z2*z3)/(s34^2*z12^2*z34) + (4*s13^2*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) + (2*s13^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (4*s14*z1*z2*z3)/(s34^2*z12^2*z34) + (10*s13*s14*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) + (6*s13^2*s14*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (6*s14^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) + (6*s13*s14^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (2*s14^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (2*s23*z1*z2*z3)/(s34^2*z12^2*z34) + (8*s13*s23*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) + (6*s13^2*s23*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (10*s14*s23*z1*z2*z3)/(s12*s34^2*z12^2*z34) + (12*s13*s14*s23*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (6*s14^2*s23*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (4*s23^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (6*s13*s23^2*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (6*s14*s23^2*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (2*s23^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (4*s24*z1*z2*z3)/(s34^2*z12^2*z34) + (10*s13*s24*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) + (6*s13^2*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (12*s14*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) + (12*s13*s14*s24*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (6*s14^2*s24*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (10*s23*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (12*s13*s23*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (12*s14*s23*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (6*s23^2*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (6*s24^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) + (6*s13*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (6*s14*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (6*s23*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (2*s24^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (4*z1*z2*z3)/(s34*z12^2*z34) + (10*s13*z1*z2*z3)/(s12*s34*z12^2*z34) + 
   (s13*z1*z2*z3)/(s123*s34*z12^2*z34) + (s13*z1*z2*z3)/
    (s124*s34*z12^2*z34) + (6*s13^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (2*s13^2*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (s13^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (s13^3*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (10*s14*z1*z2*z3)/(s12*s34*z12^2*z34) + 
   (s14*z1*z2*z3)/(s123*s34*z12^2*z34) + (s14*z1*z2*z3)/
    (s124*s34*z12^2*z34) + (10*s13*s14*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (3*s13*s14*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (3*s13*s14*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (2*s13^2*s14*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (s13^2*s14*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (4*s14^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (s14^2*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (2*s14^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (s13*s14^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s14^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (s14^3*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (10*s23*z1*z2*z3)/(s12*s34*z12^2*z34) + 
   (s23*z1*z2*z3)/(s123*s34*z12^2*z34) + (s23*z1*z2*z3)/
    (s124*s34*z12^2*z34) + (12*s13*s23*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (4*s13*s23*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (2*s13*s23*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (3*s13^2*s23*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (10*s14*s23*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (3*s14*s23*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (3*s14*s23*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (4*s13*s14*s23*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s14*s23*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (s14^2*s23*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s14^2*s23*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (6*s23^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) + (2*s23^2*z1*z2*z3)/
    (s12*s123*s34*z12^2*z34) + (s23^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (3*s13*s23^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s14*s23^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (s14*s23^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (s23^3*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (10*s24*z1*z2*z3)/(s12*s34*z12^2*z34) + 
   (s24*z1*z2*z3)/(s123*s34*z12^2*z34) + (s24*z1*z2*z3)/
    (s124*s34*z12^2*z34) + (10*s13*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (3*s13*s24*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (3*s13*s24*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (2*s13^2*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (s13^2*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (8*s14*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (2*s14*s24*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (4*s14*s24*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (2*s13*s14*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (4*s13*s14*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (3*s14^2*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (10*s23*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (3*s23*s24*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (3*s23*s24*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (4*s13*s23*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s23*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (2*s14*s23*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (4*s14*s23*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (2*s23^2*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (s23^2*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (4*s24^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (s24^2*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (2*s24^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (s13*s24^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (3*s14*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (s23*s24^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s23*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (s24^3*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (2*s34*z1*z2*z3)/(s12*s123*z12^2*z34) + (2*s34*z1*z2*z3)/
    (s12*s124*z12^2*z34) + (2*s13*s34*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (2*s14*s34*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (2*s23*s34*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (2*s24*s34*z1*z2*z3)/(s12^2*s124*z12^2*z34) - (z2*z3)/(s12*z12*z34) + 
   (z2*z3)/(2*s123*z12*z34) - (z2*z3)/(2*s124*z12*z34) - 
   (2*s13*z2*z3)/(s12^2*z12*z34) + (s13*z2*z3)/(4*s12*s123*z12*z34) - 
   (s13*z2*z3)/(4*s12*s124*z12*z34) - (s13^2*z2*z3)/(s12^2*s123*z12*z34) - 
   (s13*z2*z3)/(2*s12*s134*z12*z34) - (s14*z2*z3)/(s12^2*z12*z34) + 
   (7*s14*z2*z3)/(4*s12*s123*z12*z34) - (3*s14*z2*z3)/(4*s12*s124*z12*z34) - 
   (3*s13*s14*z2*z3)/(4*s12^2*s123*z12*z34) - 
   (3*s13*s14*z2*z3)/(4*s12^2*s124*z12*z34) + 
   (s14^2*z2*z3)/(4*s12^2*s123*z12*z34) - (3*s14^2*z2*z3)/
    (4*s12^2*s124*z12*z34) + (3*s23*z2*z3)/(4*s12*s123*z12*z34) - 
   (3*s23*z2*z3)/(4*s12*s124*z12*z34) - (s13*s23*z2*z3)/
    (s12^2*s123*z12*z34) + (3*s14*s23*z2*z3)/(4*s12^2*s123*z12*z34) - 
   (5*s14*s23*z2*z3)/(4*s12^2*s124*z12*z34) - 
   (s13*z2*z3)/(2*s12*s234*z12*z34) + (3*s24*z2*z3)/(4*s12*s123*z12*z34) - 
   (3*s24*z2*z3)/(4*s12*s124*z12*z34) - (3*s13*s24*z2*z3)/
    (2*s12^2*s123*z12*z34) + (s13*s24*z2*z3)/(2*s12^2*s124*z12*z34) + 
   (s14*s24*z2*z3)/(4*s12^2*s123*z12*z34) - (3*s14*s24*z2*z3)/
    (4*s12^2*s124*z12*z34) + (s13*z2*z3)/(s34^2*z12*z34) + 
   (s13^2*z2*z3)/(s12*s34^2*z12*z34) - (s13^2*z2*z3)/(4*s134*s34^2*z12*z34) - 
   (s13^3*z2*z3)/(4*s12*s134*s34^2*z12*z34) + (2*s14*z2*z3)/(s34^2*z12*z34) + 
   (3*s13*s14*z2*z3)/(s12*s34^2*z12*z34) - (s13*s14*z2*z3)/
    (4*s134*s34^2*z12*z34) - (s13^2*s14*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (2*s14^2*z2*z3)/(s12*s34^2*z12*z34) - (s13*s14^2*z2*z3)/
    (4*s12*s134*s34^2*z12*z34) + (s13*s23*z2*z3)/(s12*s34^2*z12*z34) - 
   (s13*s23*z2*z3)/(4*s134*s34^2*z12*z34) - (s13^2*s23*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) + (3*s14*s23*z2*z3)/(s12*s34^2*z12*z34) + 
   (s13*s14*s23*z2*z3)/(s12^2*s34^2*z12*z34) - (s13*s14*s23*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) + (s14^2*s23*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s13*s23^2*z2*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s14*s23^2*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s13^2*z2*z3)/(4*s234*s34^2*z12*z34) - 
   (s13^3*z2*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (s13*s14*z2*z3)/(4*s234*s34^2*z12*z34) - (s13^2*s14*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s13*s14^2*z2*z3)/
    (4*s12*s234*s34^2*z12*z34) - (s13*s23*z2*z3)/(4*s234*s34^2*z12*z34) - 
   (s13^2*s23*z2*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (s13*s14*s23*z2*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (s13*s23^2*z2*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (s13^2*s24*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s13*s24*z2*z3)/(4*s134*s34^2*z12*z34) - (s13^2*s24*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) + (2*s14*s24*z2*z3)/(s12*s34^2*z12*z34) - 
   (s13*s14*s24*z2*z3)/(s12^2*s34^2*z12*z34) - (s13*s14*s24*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) - (s13*s23*s24*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s13*s23*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23*s24*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s13*s24*z2*z3)/(4*s234*s34^2*z12*z34) - (s13^2*s24*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s13*s14*s24*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s13*s23*s24*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s13*s24^2*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s13*s24^2*z2*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (s13*s24^2*z2*z3)/(4*s12*s234*s34^2*z12*z34) - (z2*z3)/(s34*z12*z34) - 
   (2*s13*z2*z3)/(s12*s34*z12*z34) + (3*s13*z2*z3)/(4*s123*s34*z12*z34) + 
   (s13*z2*z3)/(4*s124*s34*z12*z34) - (2*s13^2*z2*z3)/(s12^2*s34*z12*z34) + 
   (3*s13^2*z2*z3)/(4*s12*s123*s34*z12*z34) + 
   (s13^2*z2*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13*z2*z3)/(2*s134*s34*z12*z34) - (3*s13^2*z2*z3)/
    (4*s12*s134*s34*z12*z34) + (5*s14*z2*z3)/(4*s123*s34*z12*z34) + 
   (3*s14*z2*z3)/(4*s124*s34*z12*z34) - (3*s13*s14*z2*z3)/
    (s12^2*s34*z12*z34) + (9*s13*s14*z2*z3)/(4*s12*s123*s34*z12*z34) + 
   (5*s13*s14*z2*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s14*z2*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z2*z3)/(4*s12^2*s124*s34*z12*z34) - 
   (3*s13*s14*z2*z3)/(4*s12*s134*s34*z12*z34) - 
   (s14^2*z2*z3)/(s12^2*s34*z12*z34) + (3*s14^2*z2*z3)/
    (2*s12*s123*s34*z12*z34) + (s14^2*z2*z3)/(s12*s124*s34*z12*z34) + 
   (s13*s14^2*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14^2*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s14^3*z2*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^3*z2*z3)/(4*s12^2*s124*s34*z12*z34) - (s23*z2*z3)/(s12*s34*z12*z34) + 
   (s23*z2*z3)/(4*s123*s34*z12*z34) - (s23*z2*z3)/(4*s124*s34*z12*z34) - 
   (2*s13*s23*z2*z3)/(s12^2*s34*z12*z34) + (s13*s23*z2*z3)/
    (s12*s123*s34*z12*z34) - (3*s13*s23*z2*z3)/(4*s12*s134*s34*z12*z34) + 
   (9*s14*s23*z2*z3)/(4*s12*s123*s34*z12*z34) + 
   (s14*s23*z2*z3)/(4*s12*s124*s34*z12*z34) + (s13*s14*s23*z2*z3)/
    (s12^2*s123*s34*z12*z34) + (s14^2*s23*z2*z3)/(s12^2*s123*s34*z12*z34) + 
   (s23^2*z2*z3)/(4*s12*s123*s34*z12*z34) - 
   (s23^2*z2*z3)/(4*s12*s124*s34*z12*z34) + (3*s14*s23^2*z2*z3)/
    (4*s12^2*s123*s34*z12*z34) - (s14*s23^2*z2*z3)/
    (4*s12^2*s124*s34*z12*z34) - (s13*z2*z3)/(2*s234*s34*z12*z34) - 
   (3*s13^2*z2*z3)/(4*s12*s234*s34*z12*z34) - 
   (3*s13*s14*z2*z3)/(4*s12*s234*s34*z12*z34) - 
   (3*s13*s23*z2*z3)/(4*s12*s234*s34*z12*z34) - 
   (s24*z2*z3)/(s12*s34*z12*z34) + (s24*z2*z3)/(4*s123*s34*z12*z34) - 
   (s24*z2*z3)/(4*s124*s34*z12*z34) - (3*s13*s24*z2*z3)/(s12^2*s34*z12*z34) + 
   (s13*s24*z2*z3)/(2*s12*s123*s34*z12*z34) + 
   (s13*s24*z2*z3)/(2*s12*s124*s34*z12*z34) - 
   (s13^2*s24*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z2*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (3*s13*s24*z2*z3)/(4*s12*s134*s34*z12*z34) - 
   (s14*s24*z2*z3)/(s12^2*s34*z12*z34) + (7*s14*s24*z2*z3)/
    (4*s12*s123*s34*z12*z34) + (3*s14*s24*z2*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14*s24*z2*z3)/(s12^2*s124*s34*z12*z34) + 
   (s14^2*s24*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s24*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s23*s24*z2*z3)/(2*s12*s123*s34*z12*z34) - 
   (s23*s24*z2*z3)/(2*s12*s124*s34*z12*z34) - (s13*s23*s24*z2*z3)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s23*s24*z2*z3)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s23*s24*z2*z3)/
    (s12^2*s123*s34*z12*z34) - (3*s13*s24*z2*z3)/(4*s12*s234*s34*z12*z34) + 
   (s24^2*z2*z3)/(4*s12*s123*s34*z12*z34) - 
   (s24^2*z2*z3)/(4*s12*s124*s34*z12*z34) - (s13*s24^2*z2*z3)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s24^2*z2*z3)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s24^2*z2*z3)/
    (4*s12^2*s123*s34*z12*z34) + (s14*s24^2*z2*z3)/
    (4*s12^2*s124*s34*z12*z34) + (s34*z2*z3)/(2*s12*s123*z12*z34) - 
   (s34*z2*z3)/(2*s12*s124*z12*z34) - (s13*s34*z2*z3)/(s12^2*s123*z12*z34) - 
   (s14*s34*z2*z3)/(s12^2*s124*z12*z34) + (2*z3^2)/(s12*z12*z34) + 
   z3^2/(2*s123*z12*z34) - z3^2/(2*s124*z12*z34) + 
   (s13*z3^2)/(s12*s123*z12*z34) + z3^2/(2*s134*z12*z34) + 
   (3*s14*z3^2)/(2*s12*s123*z12*z34) - (s14*z3^2)/(2*s12*s124*z12*z34) + 
   (s23*z3^2)/(s12*s123*z12*z34) + z3^2/(2*s234*z12*z34) + 
   (3*s24*z3^2)/(2*s12*s123*z12*z34) - (s24*z3^2)/(2*s12*s124*z12*z34) - 
   (s12*z3^2)/(s34^2*z12*z34) - (s13*z3^2)/(s34^2*z12*z34) + 
   (s12*s13*z3^2)/(4*s134*s34^2*z12*z34) + 
   (s13^2*z3^2)/(4*s134*s34^2*z12*z34) + (s13*s14*z3^2)/(s12*s34^2*z12*z34) - 
   (s12*s14*z3^2)/(4*s134*s34^2*z12*z34) - 
   (s13*s14*z3^2)/(4*s134*s34^2*z12*z34) - (s13^2*s14*z3^2)/
    (4*s12*s134*s34^2*z12*z34) + (s14^2*z3^2)/(s12*s34^2*z12*z34) - 
   (s14^2*z3^2)/(2*s134*s34^2*z12*z34) - (s13*s14^2*z3^2)/
    (2*s12*s134*s34^2*z12*z34) - (s14^3*z3^2)/(4*s12*s134*s34^2*z12*z34) - 
   (s23*z3^2)/(s34^2*z12*z34) + (s12*s23*z3^2)/(4*s134*s34^2*z12*z34) + 
   (s13*s23*z3^2)/(2*s134*s34^2*z12*z34) + 
   (s14*s23*z3^2)/(s12*s34^2*z12*z34) - (s14*s23*z3^2)/
    (4*s134*s34^2*z12*z34) - (s13*s14*s23*z3^2)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^2*s23*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s23^2*z3^2)/(4*s134*s34^2*z12*z34) - (s14*s23^2*z3^2)/
    (4*s12*s134*s34^2*z12*z34) + (s12*s13*z3^2)/(4*s234*s34^2*z12*z34) + 
   (s13^2*z3^2)/(4*s234*s34^2*z12*z34) + (3*s12*s14*z3^2)/
    (4*s234*s34^2*z12*z34) + (5*s13*s14*z3^2)/(4*s234*s34^2*z12*z34) + 
   (s13^2*s14*z3^2)/(4*s12*s234*s34^2*z12*z34) + 
   (s14^2*z3^2)/(s234*s34^2*z12*z34) + (s13*s14^2*z3^2)/
    (2*s12*s234*s34^2*z12*z34) + (s14^3*z3^2)/(4*s12*s234*s34^2*z12*z34) + 
   (s12*s23*z3^2)/(4*s234*s34^2*z12*z34) + 
   (s13*s23*z3^2)/(2*s234*s34^2*z12*z34) + (5*s14*s23*z3^2)/
    (4*s234*s34^2*z12*z34) + (s13*s14*s23*z3^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s14^2*s23*z3^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s23^2*z3^2)/(4*s234*s34^2*z12*z34) + (s14*s23^2*z3^2)/
    (4*s12*s234*s34^2*z12*z34) + (s13*s24*z3^2)/(s12*s34^2*z12*z34) + 
   (s12*s24*z3^2)/(4*s134*s34^2*z12*z34) + 
   (s13*s24*z3^2)/(2*s134*s34^2*z12*z34) + (2*s14*s24*z3^2)/
    (s12*s34^2*z12*z34) - (s14*s24*z3^2)/(4*s134*s34^2*z12*z34) - 
   (s13*s14*s24*z3^2)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^2*s24*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s23*s24*z3^2)/(s12*s34^2*z12*z34) + (s23*s24*z3^2)/
    (2*s134*s34^2*z12*z34) - (s14*s23*s24*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s12*s24*z3^2)/(4*s234*s34^2*z12*z34) + 
   (s13*s24*z3^2)/(2*s234*s34^2*z12*z34) + (5*s14*s24*z3^2)/
    (4*s234*s34^2*z12*z34) + (s13*s14*s24*z3^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s14^2*s24*z3^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s23*s24*z3^2)/(2*s234*s34^2*z12*z34) + (s14*s23*s24*z3^2)/
    (2*s12*s234*s34^2*z12*z34) + (s24^2*z3^2)/(s12*s34^2*z12*z34) + 
   (s24^2*z3^2)/(4*s134*s34^2*z12*z34) - (s14*s24^2*z3^2)/
    (4*s12*s134*s34^2*z12*z34) + (s24^2*z3^2)/(4*s234*s34^2*z12*z34) + 
   (s14*s24^2*z3^2)/(4*s12*s234*s34^2*z12*z34) + z3^2/(s34*z12*z34) - 
   (s12*z3^2)/(2*s123*s34*z12*z34) - (s12*z3^2)/(2*s124*s34*z12*z34) + 
   (2*s13*z3^2)/(s12*s34*z12*z34) - (s13*z3^2)/(2*s123*s34*z12*z34) - 
   (s13*z3^2)/(2*s124*s34*z12*z34) + (s12*z3^2)/(2*s134*s34*z12*z34) + 
   (3*s13*z3^2)/(4*s134*s34*z12*z34) + (3*s14*z3^2)/(s12*s34*z12*z34) - 
   (s14*z3^2)/(s124*s34*z12*z34) + (s13*s14*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s13*s14*z3^2)/(2*s12*s124*s34*z12*z34) + 
   (s14*z3^2)/(4*s134*s34*z12*z34) - (s13*s14*z3^2)/
    (4*s12*s134*s34*z12*z34) + (s14^2*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s14^2*z3^2)/(2*s12*s124*s34*z12*z34) - 
   (s14^2*z3^2)/(4*s12*s134*s34*z12*z34) + (2*s23*z3^2)/(s12*s34*z12*z34) - 
   (s23*z3^2)/(2*s123*s34*z12*z34) - (s23*z3^2)/(2*s124*s34*z12*z34) + 
   (3*s23*z3^2)/(4*s134*s34*z12*z34) + (s14*s23*z3^2)/
    (2*s12*s123*s34*z12*z34) - (s14*s23*z3^2)/(2*s12*s124*s34*z12*z34) - 
   (s14*s23*z3^2)/(4*s12*s134*s34*z12*z34) + 
   (s12*z3^2)/(2*s234*s34*z12*z34) + (3*s13*z3^2)/(4*s234*s34*z12*z34) + 
   (5*s14*z3^2)/(4*s234*s34*z12*z34) + (s13*s14*z3^2)/
    (4*s12*s234*s34*z12*z34) + (s14^2*z3^2)/(4*s12*s234*s34*z12*z34) + 
   (3*s23*z3^2)/(4*s234*s34*z12*z34) + (s14*s23*z3^2)/
    (4*s12*s234*s34*z12*z34) + (3*s24*z3^2)/(s12*s34*z12*z34) - 
   (s24*z3^2)/(s124*s34*z12*z34) + (s13*s24*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s13*s24*z3^2)/(2*s12*s124*s34*z12*z34) + 
   (3*s24*z3^2)/(4*s134*s34*z12*z34) + (s14*s24*z3^2)/
    (s12*s123*s34*z12*z34) - (s14*s24*z3^2)/(s12*s124*s34*z12*z34) - 
   (s14*s24*z3^2)/(4*s12*s134*s34*z12*z34) + 
   (s23*s24*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s23*s24*z3^2)/(2*s12*s124*s34*z12*z34) + 
   (3*s24*z3^2)/(4*s234*s34*z12*z34) + (s14*s24*z3^2)/
    (4*s12*s234*s34*z12*z34) + (s24^2*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s24^2*z3^2)/(2*s12*s124*s34*z12*z34) + (s34*z3^2)/(s12*s123*z12*z34) + 
   z4/(s12*z12) + z4/(2*s124*z12) - (s13*z4)/(2*s12*s123*z12) + 
   z4/(2*s134*z12) + (s13*z4)/(s123*s134*z12) - (s13*z4)/(2*s124*s134*z12) + 
   (s13^2*z4)/(s12*s123*s134*z12) + (s14*z4)/(2*s12*s124*z12) - 
   (s13*s14*z4)/(2*s12*s124*s134*z12) - (s23*z4)/(2*s12*s123*z12) + 
   (s13*s23*z4)/(s12*s123*s134*z12) + (s13*z4)/(2*s123*s234*z12) - 
   (s13*z4)/(s124*s234*z12) + (s13^2*z4)/(2*s12*s123*s234*z12) - 
   (s13*s14*z4)/(s12*s124*s234*z12) + (s13*s23*z4)/(2*s12*s123*s234*z12) + 
   (s24*z4)/(2*s12*s124*z12) - (s13*s24*z4)/(2*s12*s124*s134*z12) - 
   (s13*s24*z4)/(s12*s124*s234*z12) - (s13*z4)/(s34^2*z12) - 
   (s13^2*z4)/(s12*s34^2*z12) + (s12*s13*z4)/(2*s134*s34^2*z12) + 
   (5*s13^2*z4)/(4*s134*s34^2*z12) + (3*s13^3*z4)/(4*s12*s134*s34^2*z12) - 
   (s13*s14*z4)/(s12*s34^2*z12) + (3*s13*s14*z4)/(4*s134*s34^2*z12) + 
   (s13^2*s14*z4)/(s12*s134*s34^2*z12) + (s13*s14^2*z4)/
    (4*s12*s134*s34^2*z12) - (s23*z4)/(s34^2*z12) - 
   (2*s13*s23*z4)/(s12*s34^2*z12) + (5*s13*s23*z4)/(4*s134*s34^2*z12) + 
   (3*s13^2*s23*z4)/(2*s12*s134*s34^2*z12) - (s14*s23*z4)/(s12*s34^2*z12) + 
   (s13*s14*s23*z4)/(s12*s134*s34^2*z12) - (s23^2*z4)/(s12*s34^2*z12) + 
   (3*s13*s23^2*z4)/(4*s12*s134*s34^2*z12) - 
   (s12*s13*z4)/(2*s234*s34^2*z12) - (5*s13^2*z4)/(4*s234*s34^2*z12) - 
   (3*s13^3*z4)/(4*s12*s234*s34^2*z12) - (3*s13*s14*z4)/(4*s234*s34^2*z12) - 
   (s13^2*s14*z4)/(s12*s234*s34^2*z12) - (s13*s14^2*z4)/
    (4*s12*s234*s34^2*z12) - (5*s13*s23*z4)/(4*s234*s34^2*z12) - 
   (3*s13^2*s23*z4)/(2*s12*s234*s34^2*z12) - (s13*s14*s23*z4)/
    (s12*s234*s34^2*z12) - (3*s13*s23^2*z4)/(4*s12*s234*s34^2*z12) - 
   (s13*s24*z4)/(s12*s34^2*z12) + (3*s13*s24*z4)/(4*s134*s34^2*z12) + 
   (s13^2*s24*z4)/(s12*s134*s34^2*z12) + (s13*s14*s24*z4)/
    (2*s12*s134*s34^2*z12) - (s23*s24*z4)/(s12*s34^2*z12) + 
   (s13*s23*s24*z4)/(s12*s134*s34^2*z12) - 
   (3*s13*s24*z4)/(4*s234*s34^2*z12) - (s13^2*s24*z4)/(s12*s234*s34^2*z12) - 
   (s13*s14*s24*z4)/(2*s12*s234*s34^2*z12) - (s13*s23*s24*z4)/
    (s12*s234*s34^2*z12) + (s13*s24^2*z4)/(4*s12*s134*s34^2*z12) - 
   (s13*s24^2*z4)/(4*s12*s234*s34^2*z12) + z4/(s34*z12) - 
   (s13*z4)/(2*s123*s34*z12) - (s13*z4)/(2*s124*s34*z12) - 
   (s13^2*z4)/(2*s12*s123*s34*z12) - (s13^2*z4)/(2*s12*s124*s34*z12) + 
   (s12*z4)/(2*s134*s34*z12) + (s13*z4)/(s134*s34*z12) + 
   (s12*s13*z4)/(s123*s134*s34*z12) - (s12*s13*z4)/(2*s124*s134*s34*z12) + 
   (3*s13^2*z4)/(4*s12*s134*s34*z12) + (2*s13^2*z4)/(s123*s134*s34*z12) - 
   (s13^2*z4)/(2*s124*s134*s34*z12) + (s13^3*z4)/(s12*s123*s134*s34*z12) + 
   (s14*z4)/(s12*s34*z12) - (s13*s14*z4)/(2*s12*s123*s34*z12) - 
   (s13*s14*z4)/(2*s12*s124*s34*z12) + (s14*z4)/(2*s134*s34*z12) + 
   (s13*s14*z4)/(4*s12*s134*s34*z12) + (s13*s14*z4)/(s123*s134*s34*z12) - 
   (s13*s14*z4)/(s124*s134*s34*z12) + (s13^2*s14*z4)/
    (s12*s123*s134*s34*z12) - (s13^2*s14*z4)/(2*s12*s124*s134*s34*z12) - 
   (s13*s14^2*z4)/(2*s12*s124*s134*s34*z12) - (s23*z4)/(2*s123*s34*z12) - 
   (s23*z4)/(2*s124*s34*z12) - (s13*s23*z4)/(s12*s123*s34*z12) - 
   (s13*s23*z4)/(s12*s124*s34*z12) + (s23*z4)/(2*s134*s34*z12) + 
   (3*s13*s23*z4)/(4*s12*s134*s34*z12) + (2*s13*s23*z4)/(s123*s134*s34*z12) - 
   (s13*s23*z4)/(2*s124*s134*s34*z12) + (2*s13^2*s23*z4)/
    (s12*s123*s134*s34*z12) - (s14*s23*z4)/(2*s12*s123*s34*z12) - 
   (s14*s23*z4)/(2*s12*s124*s34*z12) + (s13*s14*s23*z4)/
    (s12*s123*s134*s34*z12) - (s13*s14*s23*z4)/(2*s12*s124*s134*s34*z12) - 
   (s23^2*z4)/(2*s12*s123*s34*z12) - (s23^2*z4)/(2*s12*s124*s34*z12) + 
   (s13*s23^2*z4)/(s12*s123*s134*s34*z12) - (s13*z4)/(2*s234*s34*z12) + 
   (s12*s13*z4)/(2*s123*s234*s34*z12) - (s12*s13*z4)/(s124*s234*s34*z12) - 
   (3*s13^2*z4)/(4*s12*s234*s34*z12) + (s13^2*z4)/(s123*s234*s34*z12) - 
   (s13^2*z4)/(s124*s234*s34*z12) + (s13^3*z4)/(2*s12*s123*s234*s34*z12) - 
   (s13*s14*z4)/(4*s12*s234*s34*z12) + (s13*s14*z4)/(2*s123*s234*s34*z12) - 
   (2*s13*s14*z4)/(s124*s234*s34*z12) + (s13^2*s14*z4)/
    (2*s12*s123*s234*s34*z12) - (s13^2*s14*z4)/(s12*s124*s234*s34*z12) - 
   (s13*s14^2*z4)/(s12*s124*s234*s34*z12) - 
   (3*s13*s23*z4)/(4*s12*s234*s34*z12) + (s13*s23*z4)/(s123*s234*s34*z12) - 
   (s13*s23*z4)/(s124*s234*s34*z12) + (s13^2*s23*z4)/
    (s12*s123*s234*s34*z12) + (s13*s14*s23*z4)/(2*s12*s123*s234*s34*z12) - 
   (s13*s14*s23*z4)/(s12*s124*s234*s34*z12) + 
   (s13*s23^2*z4)/(2*s12*s123*s234*s34*z12) + (s24*z4)/(s12*s34*z12) - 
   (s13*s24*z4)/(2*s12*s123*s34*z12) - (s13*s24*z4)/(2*s12*s124*s34*z12) + 
   (s24*z4)/(2*s134*s34*z12) + (s13*s24*z4)/(4*s12*s134*s34*z12) + 
   (s13*s24*z4)/(s123*s134*s34*z12) - (s13*s24*z4)/(s124*s134*s34*z12) + 
   (s13^2*s24*z4)/(s12*s123*s134*s34*z12) - 
   (s13^2*s24*z4)/(2*s12*s124*s134*s34*z12) - 
   (s13*s14*s24*z4)/(s12*s124*s134*s34*z12) - 
   (s23*s24*z4)/(2*s12*s123*s34*z12) - (s23*s24*z4)/(2*s12*s124*s34*z12) + 
   (s13*s23*s24*z4)/(s12*s123*s134*s34*z12) - 
   (s13*s23*s24*z4)/(2*s12*s124*s134*s34*z12) - 
   (s13*s24*z4)/(4*s12*s234*s34*z12) + (s13*s24*z4)/(2*s123*s234*s34*z12) - 
   (2*s13*s24*z4)/(s124*s234*s34*z12) + (s13^2*s24*z4)/
    (2*s12*s123*s234*s34*z12) - (s13^2*s24*z4)/(s12*s124*s234*s34*z12) - 
   (2*s13*s14*s24*z4)/(s12*s124*s234*s34*z12) + 
   (s13*s23*s24*z4)/(2*s12*s123*s234*s34*z12) - 
   (s13*s23*s24*z4)/(s12*s124*s234*s34*z12) - 
   (s13*s24^2*z4)/(2*s12*s124*s134*s34*z12) - 
   (s13*s24^2*z4)/(s12*s124*s234*s34*z12) + (s34*z4)/(2*s12*s124*z12) - 
   (2*s13*z3*z4)/(s12^2*z34^2) + (z3*z4)/(s134*z34^2) - 
   (s13*z3*z4)/(s12*s134*z34^2) - (2*s14*z3*z4)/(s12^2*z34^2) - 
   (s14*z3*z4)/(s12*s134*z34^2) + (z3*z4)/(s234*z34^2) - 
   (s13*z3*z4)/(s12*s234*z34^2) - (s14*z3*z4)/(s12*s234*z34^2) + 
   (2*s13*z3*z4)/(s34^2*z34^2) - (2*s13^3*z3*z4)/(s12^2*s34^2*z34^2) + 
   (s12*s13*z3*z4)/(s134*s34^2*z34^2) - (s13^3*z3*z4)/
    (s12*s134*s34^2*z34^2) + (2*s14*z3*z4)/(s34^2*z34^2) - 
   (6*s13^2*s14*z3*z4)/(s12^2*s34^2*z34^2) + 
   (s12*s14*z3*z4)/(s134*s34^2*z34^2) - (3*s13^2*s14*z3*z4)/
    (s12*s134*s34^2*z34^2) - (6*s13*s14^2*z3*z4)/(s12^2*s34^2*z34^2) - 
   (3*s13*s14^2*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (2*s14^3*z3*z4)/(s12^2*s34^2*z34^2) - (s14^3*z3*z4)/
    (s12*s134*s34^2*z34^2) + (2*s23*z3*z4)/(s34^2*z34^2) + 
   (4*s13*s23*z3*z4)/(s12*s34^2*z34^2) - (2*s13^2*s23*z3*z4)/
    (s12^2*s34^2*z34^2) + (s13*s23*z3*z4)/(s134*s34^2*z34^2) - 
   (s13^2*s23*z3*z4)/(s12*s134*s34^2*z34^2) + 
   (4*s14*s23*z3*z4)/(s12*s34^2*z34^2) - (4*s13*s14*s23*z3*z4)/
    (s12^2*s34^2*z34^2) + (s14*s23*z3*z4)/(s134*s34^2*z34^2) - 
   (2*s13*s14*s23*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (2*s14^2*s23*z3*z4)/(s12^2*s34^2*z34^2) - (s14^2*s23*z3*z4)/
    (s12*s134*s34^2*z34^2) + (2*s23^2*z3*z4)/(s12*s34^2*z34^2) + 
   (s12*s23*z3*z4)/(s234*s34^2*z34^2) - (s13^2*s23*z3*z4)/
    (s12*s234*s34^2*z34^2) - (2*s13*s14*s23*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (s14^2*s23*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (s23^2*z3*z4)/(s234*s34^2*z34^2) - (s13*s23^2*z3*z4)/
    (s12*s234*s34^2*z34^2) - (s14*s23^2*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (2*s24*z3*z4)/(s34^2*z34^2) + (4*s13*s24*z3*z4)/(s12*s34^2*z34^2) - 
   (2*s13^2*s24*z3*z4)/(s12^2*s34^2*z34^2) + 
   (s13*s24*z3*z4)/(s134*s34^2*z34^2) - (s13^2*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) + (4*s14*s24*z3*z4)/(s12*s34^2*z34^2) - 
   (4*s13*s14*s24*z3*z4)/(s12^2*s34^2*z34^2) + 
   (s14*s24*z3*z4)/(s134*s34^2*z34^2) - (2*s13*s14*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) - (2*s14^2*s24*z3*z4)/(s12^2*s34^2*z34^2) - 
   (s14^2*s24*z3*z4)/(s12*s134*s34^2*z34^2) + 
   (4*s23*s24*z3*z4)/(s12*s34^2*z34^2) + (s12*s24*z3*z4)/(s234*s34^2*z34^2) - 
   (s13^2*s24*z3*z4)/(s12*s234*s34^2*z34^2) - (2*s13*s14*s24*z3*z4)/
    (s12*s234*s34^2*z34^2) - (s14^2*s24*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (2*s23*s24*z3*z4)/(s234*s34^2*z34^2) - (2*s13*s23*s24*z3*z4)/
    (s12*s234*s34^2*z34^2) - (2*s14*s23*s24*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (2*s24^2*z3*z4)/(s12*s34^2*z34^2) + (s24^2*z3*z4)/(s234*s34^2*z34^2) - 
   (s13*s24^2*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (s14*s24^2*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (4*s13^2*z3*z4)/(s12^2*s34*z34^2) + (s12*z3*z4)/(s134*s34*z34^2) + 
   (s13*z3*z4)/(s134*s34*z34^2) - (2*s13^2*z3*z4)/(s12*s134*s34*z34^2) - 
   (8*s13*s14*z3*z4)/(s12^2*s34*z34^2) + (s14*z3*z4)/(s134*s34*z34^2) - 
   (4*s13*s14*z3*z4)/(s12*s134*s34*z34^2) - (4*s14^2*z3*z4)/
    (s12^2*s34*z34^2) - (2*s14^2*z3*z4)/(s12*s134*s34*z34^2) + 
   (2*s23*z3*z4)/(s12*s34*z34^2) - (2*s13*s23*z3*z4)/(s12^2*s34*z34^2) + 
   (s23*z3*z4)/(s134*s34*z34^2) - (s13*s23*z3*z4)/(s12*s134*s34*z34^2) - 
   (2*s14*s23*z3*z4)/(s12^2*s34*z34^2) - (s14*s23*z3*z4)/
    (s12*s134*s34*z34^2) + (s12*z3*z4)/(s234*s34*z34^2) - 
   (s13^2*z3*z4)/(s12*s234*s34*z34^2) - (2*s13*s14*z3*z4)/
    (s12*s234*s34*z34^2) - (s14^2*z3*z4)/(s12*s234*s34*z34^2) + 
   (2*s23*z3*z4)/(s234*s34*z34^2) - (2*s13*s23*z3*z4)/(s12*s234*s34*z34^2) - 
   (2*s14*s23*z3*z4)/(s12*s234*s34*z34^2) + (2*s24*z3*z4)/(s12*s34*z34^2) - 
   (2*s13*s24*z3*z4)/(s12^2*s34*z34^2) + (s24*z3*z4)/(s134*s34*z34^2) - 
   (s13*s24*z3*z4)/(s12*s134*s34*z34^2) - (2*s14*s24*z3*z4)/
    (s12^2*s34*z34^2) - (s14*s24*z3*z4)/(s12*s134*s34*z34^2) + 
   (2*s24*z3*z4)/(s234*s34*z34^2) - (2*s13*s24*z3*z4)/(s12*s234*s34*z34^2) - 
   (2*s14*s24*z3*z4)/(s12*s234*s34*z34^2) + (4*z1*z3*z4)/(s12*z12*z34^2) + 
   (2*s13*z1*z3*z4)/(s12^2*z12*z34^2) + (2*z1*z3*z4)/(s134*z12*z34^2) + 
   (s13*z1*z3*z4)/(s12*s134*z12*z34^2) + (2*s14*z1*z3*z4)/(s12^2*z12*z34^2) + 
   (s14*z1*z3*z4)/(s12*s134*z12*z34^2) + (4*s23*z1*z3*z4)/(s12^2*z12*z34^2) + 
   (s23*z1*z3*z4)/(s12*s134*z12*z34^2) + (2*z1*z3*z4)/(s234*z12*z34^2) + 
   (s13*z1*z3*z4)/(s12*s234*z12*z34^2) + (s14*z1*z3*z4)/
    (s12*s234*z12*z34^2) + (s23*z1*z3*z4)/(s12*s234*z12*z34^2) + 
   (4*s24*z1*z3*z4)/(s12^2*z12*z34^2) + (s24*z1*z3*z4)/(s12*s134*z12*z34^2) + 
   (s24*z1*z3*z4)/(s12*s234*z12*z34^2) + (4*s13*z1*z3*z4)/(s34^2*z12*z34^2) + 
   (6*s13^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (2*s13^3*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s12*s13*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (3*s13^2*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (s13^3*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (4*s14*z1*z3*z4)/(s34^2*z12*z34^2) + (12*s13*s14*z1*z3*z4)/
    (s12*s34^2*z12*z34^2) + (6*s13^2*s14*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s12*s14*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (6*s13*s14*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (3*s13^2*s14*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (6*s14^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (6*s13*s14^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s14^2*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (3*s13*s14^2*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (2*s14^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (s14^3*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (2*s23*z1*z3*z4)/(s34^2*z12*z34^2) + (10*s13*s23*z1*z3*z4)/
    (s12*s34^2*z12*z34^2) + (6*s13^2*s23*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (3*s13*s23*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (2*s13^2*s23*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (10*s14*s23*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (12*s13*s14*s23*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s14*s23*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (4*s13*s14*s23*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (6*s14^2*s23*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s14^2*s23*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (4*s23^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (6*s13*s23^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s13*s23^2*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s14*s23^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s14*s23^2*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (2*s23^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s12*s23*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (3*s13*s23*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (s13^2*s23*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s14*s23*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (2*s13*s14*s23*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (s14^2*s23*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s23^2*z1*z3*z4)/(s234*s34^2*z12*z34^2) + (2*s13*s23^2*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) + (2*s14*s23^2*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) + (s23^3*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) + (2*s24*z1*z3*z4)/(s34^2*z12*z34^2) + 
   (10*s13*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) + 
   (6*s13^2*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (3*s13*s24*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (2*s13^2*s24*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (10*s14*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (12*s13*s14*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s14*s24*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (4*s13*s14*s24*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (6*s14^2*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s14^2*s24*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (8*s23*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (12*s13*s23*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s13*s23*s24*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (12*s14*s23*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s14*s23*s24*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s23^2*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s12*s24*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (3*s13*s24*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (s13^2*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s14*s24*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (2*s13*s14*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (s14^2*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (6*s23*s24*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (4*s13*s23*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (4*s14*s23*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s23^2*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (4*s24^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (6*s13*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s13*s24^2*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s14*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s14*s24^2*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s23*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s24^2*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (2*s13*s24^2*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (2*s14*s24^2*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s23*s24^2*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (2*s24^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (s24^3*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (4*z1*z3*z4)/(s34*z12*z34^2) + (10*s13*z1*z3*z4)/(s12*s34*z12*z34^2) + 
   (4*s13^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s12*z1*z3*z4)/(s134*s34*z12*z34^2) + (5*s13*z1*z3*z4)/
    (s134*s34*z12*z34^2) + (2*s13^2*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (10*s14*z1*z3*z4)/(s12*s34*z12*z34^2) + (8*s13*s14*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) + (5*s14*z1*z3*z4)/(s134*s34*z12*z34^2) + 
   (4*s13*s14*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (4*s14^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + (2*s14^2*z1*z3*z4)/
    (s12*s134*s34*z12*z34^2) + (10*s23*z1*z3*z4)/(s12*s34*z12*z34^2) + 
   (10*s13*s23*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (3*s23*z1*z3*z4)/(s134*s34*z12*z34^2) + (3*s13*s23*z1*z3*z4)/
    (s12*s134*s34*z12*z34^2) + (10*s14*s23*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (3*s14*s23*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (6*s23^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (s23^2*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (2*s12*z1*z3*z4)/(s234*s34*z12*z34^2) + (3*s13*z1*z3*z4)/
    (s234*s34*z12*z34^2) + (s13^2*z1*z3*z4)/(s12*s234*s34*z12*z34^2) + 
   (3*s14*z1*z3*z4)/(s234*s34*z12*z34^2) + (2*s13*s14*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (s14^2*z1*z3*z4)/(s12*s234*s34*z12*z34^2) + 
   (5*s23*z1*z3*z4)/(s234*s34*z12*z34^2) + (3*s13*s23*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (3*s14*s23*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (2*s23^2*z1*z3*z4)/(s12*s234*s34*z12*z34^2) + 
   (10*s24*z1*z3*z4)/(s12*s34*z12*z34^2) + (10*s13*s24*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) + (3*s24*z1*z3*z4)/(s134*s34*z12*z34^2) + 
   (3*s13*s24*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (10*s14*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (3*s14*s24*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (12*s23*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s23*s24*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (5*s24*z1*z3*z4)/(s234*s34*z12*z34^2) + (3*s13*s24*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (3*s14*s24*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (4*s23*s24*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (6*s24^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (s24^2*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (2*s24^2*z1*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (8*z1*z2*z3*z4)/(s12*z12^2*z34^2) - (4*s13*z1*z2*z3*z4)/
    (s12^2*z12^2*z34^2) - (4*s14*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) - 
   (4*s23*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) - (4*s24*z1*z2*z3*z4)/
    (s12^2*z12^2*z34^2) - (4*s13*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - 
   (6*s13^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (2*s13^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (4*s14*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - (12*s13*s14*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13^2*s14*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s14^2*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13*s14^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (2*s14^3*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (4*s23*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - 
   (12*s13*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (6*s13^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (12*s14*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (12*s13*s14*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (6*s14^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (6*s23^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (6*s13*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (6*s14*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (2*s23^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (4*s24*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - (12*s13*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (12*s14*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (12*s13*s14*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s14^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (12*s23*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (12*s13*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (12*s14*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s23^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s24^2*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s14*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s23*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (2*s24^3*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (8*z1*z2*z3*z4)/(s34*z12^2*z34^2) - 
   (16*s13*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - (6*s13^2*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (16*s14*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - 
   (12*s13*s14*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (6*s14^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (16*s23*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - (12*s13*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (12*s14*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (6*s23^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (16*s24*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - (12*s13*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (12*s14*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (12*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (6*s24^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (2*s13*z2*z3*z4)/(s12^2*z12*z34^2) + (2*s14*z2*z3*z4)/(s12^2*z12*z34^2) - 
   (2*s13*z2*z3*z4)/(s34^2*z12*z34^2) - (2*s13^2*z2*z3*z4)/
    (s12*s34^2*z12*z34^2) - (2*s14*z2*z3*z4)/(s34^2*z12*z34^2) - 
   (4*s13*s14*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s14^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (2*s13*s23*z2*z3*z4)/
    (s12*s34^2*z12*z34^2) - (2*s14*s23*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s13*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s14*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) + 
   (2*s13^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) + (4*s13*s14*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) + (2*s14^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s13*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s14*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s13*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s14*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) - (2*z3^2*z4)/(s12*z12*z34^2) + 
   (2*s12*z3^2*z4)/(s34^2*z12*z34^2) + (2*s13*z3^2*z4)/(s34^2*z12*z34^2) + 
   (2*s14*z3^2*z4)/(s34^2*z12*z34^2) + (2*s23*z3^2*z4)/(s34^2*z12*z34^2) + 
   (2*s24*z3^2*z4)/(s34^2*z12*z34^2) - (2*s13*z3^2*z4)/(s12*s34*z12*z34^2) - 
   (2*s14*z3^2*z4)/(s12*s34*z12*z34^2) - (2*s23*z3^2*z4)/
    (s12*s34*z12*z34^2) - (2*s24*z3^2*z4)/(s12*s34*z12*z34^2) - 
   (s13*z4)/(s12^2*z34) - (s13*z4)/(2*s12*s123*z34) + 
   (s13^2*z4)/(4*s12^2*s123*z34) + (s13^2*z4)/(4*s12^2*s124*z34) - 
   (s13*z4)/(s12*s134*z34) + (s13*s14*z4)/(4*s12^2*s123*z34) + 
   (s13*s14*z4)/(4*s12^2*s124*z34) - (s23*z4)/(2*s12*s123*z34) - 
   (s13*s23*z4)/(4*s12^2*s123*z34) - (s13*s23*z4)/(4*s12^2*s124*z34) - 
   (s13*z4)/(s12*s234*z34) - (s13*z4)/(s134*s234*z34) - 
   (s13*s24*z4)/(4*s12^2*s123*z34) - (s13*s24*z4)/(4*s12^2*s124*z34) - 
   (s13*z4)/(s34^2*z34) - (s13^2*z4)/(s12*s34^2*z34) - 
   (s12*s13*z4)/(2*s134*s34^2*z34) - (3*s13^2*z4)/(2*s134*s34^2*z34) - 
   (s13^3*z4)/(s12*s134*s34^2*z34) - (s13*s14*z4)/(s12*s34^2*z34) - 
   (3*s13*s14*z4)/(2*s134*s34^2*z34) - (2*s13^2*s14*z4)/
    (s12*s134*s34^2*z34) - (s13*s14^2*z4)/(s12*s134*s34^2*z34) - 
   (s23*z4)/(s34^2*z34) - (2*s13*s23*z4)/(s12*s34^2*z34) - 
   (s13*s23*z4)/(s134*s34^2*z34) - (3*s13^2*s23*z4)/(2*s12*s134*s34^2*z34) + 
   (s13*s14*s23*z4)/(s12^2*s34^2*z34) + (s14*s23*z4)/(2*s134*s34^2*z34) - 
   (s13*s14*s23*z4)/(s12*s134*s34^2*z34) + (s14^2*s23*z4)/(s12^2*s34^2*z34) + 
   (s14^2*s23*z4)/(2*s12*s134*s34^2*z34) - (s23^2*z4)/(s12*s34^2*z34) - 
   (s13*s23^2*z4)/(2*s12*s134*s34^2*z34) + (s14*s23^2*z4)/(s12^2*s34^2*z34) + 
   (s14*s23^2*z4)/(2*s12*s134*s34^2*z34) - (s12*s23*z4)/(2*s234*s34^2*z34) + 
   (s13^2*s23*z4)/(2*s12*s234*s34^2*z34) - (s12*s13*s23*z4)/
    (s134*s234*s34^2*z34) - (s13^2*s23*z4)/(s134*s234*s34^2*z34) + 
   (s13*s14*s23*z4)/(s12*s234*s34^2*z34) - (s13*s14*s23*z4)/
    (s134*s234*s34^2*z34) + (s14^2*s23*z4)/(2*s12*s234*s34^2*z34) - 
   (s23^2*z4)/(2*s234*s34^2*z34) + (s13*s23^2*z4)/(2*s12*s234*s34^2*z34) - 
   (s13*s23^2*z4)/(s134*s234*s34^2*z34) + (s14*s23^2*z4)/
    (2*s12*s234*s34^2*z34) - (2*s13*s24*z4)/(s12*s34^2*z34) - 
   (s13^2*s24*z4)/(s12^2*s34^2*z34) - (3*s13*s24*z4)/(2*s134*s34^2*z34) - 
   (2*s13^2*s24*z4)/(s12*s134*s34^2*z34) - (s13*s14*s24*z4)/
    (s12^2*s34^2*z34) - (2*s13*s14*s24*z4)/(s12*s134*s34^2*z34) - 
   (s23*s24*z4)/(s12*s34^2*z34) - (s13*s23*s24*z4)/(s12^2*s34^2*z34) - 
   (3*s13*s23*s24*z4)/(2*s12*s134*s34^2*z34) + 
   (s14*s23*s24*z4)/(s12^2*s34^2*z34) + (s14*s23*s24*z4)/
    (2*s12*s134*s34^2*z34) - (s12*s13*s24*z4)/(s134*s234*s34^2*z34) - 
   (s13^2*s24*z4)/(s134*s234*s34^2*z34) - (s13*s14*s24*z4)/
    (s134*s234*s34^2*z34) - (s23*s24*z4)/(2*s234*s34^2*z34) + 
   (s13*s23*s24*z4)/(2*s12*s234*s34^2*z34) - (2*s13*s23*s24*z4)/
    (s134*s234*s34^2*z34) + (s14*s23*s24*z4)/(2*s12*s234*s34^2*z34) - 
   (s13*s24^2*z4)/(s12^2*s34^2*z34) - (s13*s24^2*z4)/(s12*s134*s34^2*z34) - 
   (s13*s24^2*z4)/(s134*s234*s34^2*z34) - (2*s13*z4)/(s12*s34*z34) - 
   (s13*z4)/(2*s123*s34*z34) - (s13^2*z4)/(s12^2*s34*z34) - 
   (s13^2*z4)/(4*s12*s123*s34*z34) + (s13^2*z4)/(4*s12*s124*s34*z34) + 
   (s13^3*z4)/(4*s12^2*s123*s34*z34) + (s13^3*z4)/(4*s12^2*s124*s34*z34) - 
   (3*s13*z4)/(2*s134*s34*z34) - (2*s13^2*z4)/(s12*s134*s34*z34) - 
   (s13*s14*z4)/(s12^2*s34*z34) - (s13*s14*z4)/(4*s12*s123*s34*z34) + 
   (s13*s14*z4)/(4*s12*s124*s34*z34) + (s13^2*s14*z4)/
    (2*s12^2*s123*s34*z34) + (s13^2*s14*z4)/(2*s12^2*s124*s34*z34) - 
   (2*s13*s14*z4)/(s12*s134*s34*z34) + (s13*s14^2*z4)/
    (4*s12^2*s123*s34*z34) + (s13*s14^2*z4)/(4*s12^2*s124*s34*z34) - 
   (s23*z4)/(s12*s34*z34) - (s23*z4)/(2*s123*s34*z34) - 
   (s13*s23*z4)/(s12^2*s34*z34) - (5*s13*s23*z4)/(4*s12*s123*s34*z34) - 
   (s13*s23*z4)/(4*s12*s124*s34*z34) - (3*s13*s23*z4)/(2*s12*s134*s34*z34) + 
   (s14*s23*z4)/(s12^2*s34*z34) - (s14*s23*z4)/(2*s12*s123*s34*z34) + 
   (s14*s23*z4)/(2*s12*s134*s34*z34) - (s23^2*z4)/(2*s12*s123*s34*z34) - 
   (s13*s23^2*z4)/(4*s12^2*s123*s34*z34) - 
   (s13*s23^2*z4)/(4*s12^2*s124*s34*z34) - (s13*z4)/(s234*s34*z34) - 
   (s13^2*z4)/(s12*s234*s34*z34) - (s12*s13*z4)/(s134*s234*s34*z34) - 
   (s13^2*z4)/(s134*s234*s34*z34) - (s13*s14*z4)/(s12*s234*s34*z34) - 
   (s13*s14*z4)/(s134*s234*s34*z34) - (s23*z4)/(2*s234*s34*z34) - 
   (s13*s23*z4)/(2*s12*s234*s34*z34) - (2*s13*s23*z4)/(s134*s234*s34*z34) + 
   (s14*s23*z4)/(2*s12*s234*s34*z34) - (2*s13*s24*z4)/(s12^2*s34*z34) - 
   (3*s13*s24*z4)/(4*s12*s123*s34*z34) - (s13*s24*z4)/(4*s12*s124*s34*z34) - 
   (2*s13*s24*z4)/(s12*s134*s34*z34) - (s23*s24*z4)/(2*s12*s123*s34*z34) - 
   (s13*s23*s24*z4)/(2*s12^2*s123*s34*z34) - (s13*s23*s24*z4)/
    (2*s12^2*s124*s34*z34) - (s13*s24*z4)/(s12*s234*s34*z34) - 
   (2*s13*s24*z4)/(s134*s234*s34*z34) - (s13*s24^2*z4)/
    (4*s12^2*s123*s34*z34) - (s13*s24^2*z4)/(4*s12^2*s124*s34*z34) - 
   (z1*z4)/(s12*z12*z34) + (s13*z1*z4)/(s12^2*z12*z34) - 
   (s13*z1*z4)/(2*s12*s123*z12*z34) - (s13*z1*z4)/(2*s12*s124*z12*z34) - 
   (s13^2*z1*z4)/(4*s12^2*s123*z12*z34) - 
   (s13^2*z1*z4)/(4*s12^2*s124*z12*z34) + (z1*z4)/(2*s134*z12*z34) + 
   (3*s13*z1*z4)/(4*s12*s134*z12*z34) - (s13*s14*z1*z4)/
    (4*s12^2*s123*z12*z34) - (s13*s14*z1*z4)/(4*s12^2*s124*z12*z34) + 
   (s14*z1*z4)/(4*s12*s134*z12*z34) + (2*s23*z1*z4)/(s12^2*z12*z34) - 
   (s13*s23*z1*z4)/(4*s12^2*s123*z12*z34) - (s13*s23*z1*z4)/
    (4*s12^2*s124*z12*z34) + (5*s23*z1*z4)/(4*s12*s134*z12*z34) - 
   (z1*z4)/(2*s234*z12*z34) + (s13*z1*z4)/(4*s12*s234*z12*z34) - 
   (s14*z1*z4)/(4*s12*s234*z12*z34) + (3*s23*z1*z4)/(4*s12*s234*z12*z34) - 
   (s13*s24*z1*z4)/(4*s12^2*s123*z12*z34) - (s13*s24*z1*z4)/
    (4*s12^2*s124*z12*z34) + (s24*z1*z4)/(4*s12*s134*z12*z34) - 
   (s24*z1*z4)/(4*s12*s234*z12*z34) - (2*s13*z1*z4)/(s34^2*z12*z34) - 
   (2*s13^2*z1*z4)/(s12*s34^2*z12*z34) - (s12*s13*z1*z4)/
    (s134*s34^2*z12*z34) - (s13^2*z1*z4)/(s134*s34^2*z12*z34) - 
   (2*s13*s14*z1*z4)/(s12*s34^2*z12*z34) - (s13*s14*z1*z4)/
    (s134*s34^2*z12*z34) - (s23*z1*z4)/(s34^2*z12*z34) - 
   (3*s13*s23*z1*z4)/(s12*s34^2*z12*z34) - (3*s13*s23*z1*z4)/
    (4*s134*s34^2*z12*z34) + (s13^2*s23*z1*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s13*s14*s23*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (3*s14*s23*z1*z4)/(4*s134*s34^2*z12*z34) + (s13*s14*s23*z1*z4)/
    (s12*s134*s34^2*z12*z34) + (s14^2*s23*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (3*s14^2*s23*z1*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s23^2*z1*z4)/(s12*s34^2*z12*z34) + (s23^2*z1*z4)/(4*s134*s34^2*z12*z34) + 
   (s13*s23^2*z1*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23^2*z1*z4)/(s12^2*s34^2*z12*z34) + (s14*s23^2*z1*z4)/
    (s12*s134*s34^2*z12*z34) + (s23^3*z1*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s12*s23*z1*z4)/(s234*s34^2*z12*z34) - (3*s13*s23*z1*z4)/
    (4*s234*s34^2*z12*z34) + (s13^2*s23*z1*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (5*s14*s23*z1*z4)/(4*s234*s34^2*z12*z34) - 
   (s14^2*s23*z1*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (3*s23^2*z1*z4)/(4*s234*s34^2*z12*z34) + (s13*s23^2*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s23^3*z1*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (3*s13*s24*z1*z4)/(s12*s34^2*z12*z34) - (s13^2*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) - (3*s13*s24*z1*z4)/(2*s134*s34^2*z12*z34) - 
   (s13^2*s24*z1*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s13*s14*s24*z1*z4)/(s12^2*s34^2*z12*z34) - (s13*s14*s24*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) - (s23*s24*z1*z4)/(s12*s34^2*z12*z34) - 
   (s13*s23*s24*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s23*s24*z1*z4)/(4*s134*s34^2*z12*z34) + (s14*s23*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) + (s14*s23*s24*z1*z4)/(s12*s134*s34^2*z12*z34) + 
   (s23^2*s24*z1*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s13*s24*z1*z4)/(2*s234*s34^2*z12*z34) + (s13^2*s24*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s14*s24*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) - (3*s23*s24*z1*z4)/(4*s234*s34^2*z12*z34) + 
   (s13*s23*s24*z1*z4)/(s12*s234*s34^2*z12*z34) + 
   (s23^2*s24*z1*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s13*s24^2*z1*z4)/(s12^2*s34^2*z12*z34) - (s13*s24^2*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s23*s24^2*z1*z4)/
    (4*s12*s134*s34^2*z12*z34) + (s13*s24^2*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s23*s24^2*z1*z4)/
    (4*s12*s234*s34^2*z12*z34) - (z1*z4)/(s34*z12*z34) - 
   (2*s13*z1*z4)/(s12*s34*z12*z34) - (s13*z1*z4)/(2*s123*s34*z12*z34) - 
   (s13*z1*z4)/(2*s124*s34*z12*z34) + (s13^2*z1*z4)/(s12^2*s34*z12*z34) - 
   (3*s13^2*z1*z4)/(4*s12*s123*s34*z12*z34) - 
   (3*s13^2*z1*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13^3*z1*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^3*z1*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s12*z1*z4)/(2*s134*s34*z12*z34) + (s13*z1*z4)/(4*s134*s34*z12*z34) + 
   (3*s13^2*z1*z4)/(4*s12*s134*s34*z12*z34) - (s14*z1*z4)/(s12*s34*z12*z34) + 
   (s13*s14*z1*z4)/(s12^2*s34*z12*z34) - (3*s13*s14*z1*z4)/
    (4*s12*s123*s34*z12*z34) - (3*s13*s14*z1*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s14*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s14*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s14*z1*z4)/(4*s134*s34*z12*z34) + (s13*s14*z1*z4)/
    (s12*s134*s34*z12*z34) - (s13*s14^2*z1*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s13*s14^2*z1*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s14^2*z1*z4)/(4*s12*s134*s34*z12*z34) + (3*s13*s23*z1*z4)/
    (s12^2*s34*z12*z34) - (3*s13*s23*z1*z4)/(4*s12*s123*s34*z12*z34) - 
   (3*s13*s23*z1*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s23*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s23*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (7*s23*z1*z4)/(4*s134*s34*z12*z34) + (9*s13*s23*z1*z4)/
    (4*s12*s134*s34*z12*z34) + (3*s14*s23*z1*z4)/(s12^2*s34*z12*z34) - 
   (s13*s14*s23*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s14*s23*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (9*s14*s23*z1*z4)/(4*s12*s134*s34*z12*z34) + 
   (2*s23^2*z1*z4)/(s12^2*s34*z12*z34) - (s13*s23^2*z1*z4)/
    (4*s12^2*s123*s34*z12*z34) - (s13*s23^2*z1*z4)/
    (4*s12^2*s124*s34*z12*z34) + (3*s23^2*z1*z4)/(2*s12*s134*s34*z12*z34) - 
   (s12*z1*z4)/(2*s234*s34*z12*z34) - (s13*z1*z4)/(4*s234*s34*z12*z34) + 
   (s13^2*z1*z4)/(4*s12*s234*s34*z12*z34) - 
   (3*s14*z1*z4)/(4*s234*s34*z12*z34) - (s14^2*z1*z4)/
    (4*s12*s234*s34*z12*z34) - (3*s23*z1*z4)/(4*s234*s34*z12*z34) + 
   (5*s13*s23*z1*z4)/(4*s12*s234*s34*z12*z34) + 
   (s14*s23*z1*z4)/(4*s12*s234*s34*z12*z34) + 
   (s23^2*z1*z4)/(s12*s234*s34*z12*z34) - (s24*z1*z4)/(s12*s34*z12*z34) - 
   (3*s13*s24*z1*z4)/(4*s12*s123*s34*z12*z34) - 
   (3*s13*s24*z1*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s24*z1*z4)/(4*s134*s34*z12*z34) + (s13*s24*z1*z4)/
    (2*s12*s134*s34*z12*z34) - (s13*s14*s24*z1*z4)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s14*s24*z1*z4)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s24*z1*z4)/(2*s12*s134*s34*z12*z34) + 
   (2*s23*s24*z1*z4)/(s12^2*s34*z12*z34) - (s13*s23*s24*z1*z4)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s23*s24*z1*z4)/
    (2*s12^2*s124*s34*z12*z34) + (7*s23*s24*z1*z4)/(4*s12*s134*s34*z12*z34) - 
   (3*s24*z1*z4)/(4*s234*s34*z12*z34) + (s13*s24*z1*z4)/
    (2*s12*s234*s34*z12*z34) - (s14*s24*z1*z4)/(2*s12*s234*s34*z12*z34) + 
   (3*s23*s24*z1*z4)/(4*s12*s234*s34*z12*z34) - 
   (s13*s24^2*z1*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s13*s24^2*z1*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s24^2*z1*z4)/(4*s12*s134*s34*z12*z34) - 
   (s24^2*z1*z4)/(4*s12*s234*s34*z12*z34) - (2*s13*z1*z2*z4)/
    (s12^2*z12^2*z34) - (2*s23*z1*z2*z4)/(s12^2*z12^2*z34) + 
   (2*s13*z1*z2*z4)/(s34^2*z12^2*z34) + (2*s13^2*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (2*s13*s14*z1*z2*z4)/(s12*s34^2*z12^2*z34) + 
   (2*s23*z1*z2*z4)/(s34^2*z12^2*z34) + (4*s13*s23*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (2*s14*s23*z1*z2*z4)/(s12*s34^2*z12^2*z34) + 
   (2*s23^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) + (2*s13*s24*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (2*s23*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (2*s13^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) - (2*s13*s14*z1*z2*z4)/
    (s12^2*s34*z12^2*z34) - (4*s13*s23*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (2*s14*s23*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (2*s23^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) - (2*s13*s24*z1*z2*z4)/
    (s12^2*s34*z12^2*z34) - (2*s23*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (z2*z4)/(s12*z12*z34) + (s13*z2*z4)/(s12^2*z12*z34) + 
   (s13*z2*z4)/(2*s12*s123*z12*z34) + (s13*z2*z4)/(2*s12*s124*z12*z34) + 
   (s13^2*z2*z4)/(4*s12^2*s123*z12*z34) + 
   (s13^2*z2*z4)/(4*s12^2*s124*z12*z34) + (s13*z2*z4)/(2*s12*s134*z12*z34) + 
   (s13*s14*z2*z4)/(4*s12^2*s123*z12*z34) + (s13*s14*z2*z4)/
    (4*s12^2*s124*z12*z34) + (s13*s23*z2*z4)/(4*s12^2*s123*z12*z34) + 
   (s13*s23*z2*z4)/(4*s12^2*s124*z12*z34) + 
   (s13*z2*z4)/(2*s12*s234*z12*z34) + (s13*s24*z2*z4)/
    (4*s12^2*s123*z12*z34) + (s13*s24*z2*z4)/(4*s12^2*s124*z12*z34) + 
   (s13*z2*z4)/(s34^2*z12*z34) + (s13^2*z2*z4)/(s12*s34^2*z12*z34) + 
   (s13^2*z2*z4)/(4*s134*s34^2*z12*z34) + 
   (s13^3*z2*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s13*s14*z2*z4)/(s12*s34^2*z12*z34) + (s13*s14*z2*z4)/
    (4*s134*s34^2*z12*z34) + (s13^2*s14*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s13*s14^2*z2*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s13*s23*z2*z4)/(s12*s34^2*z12*z34) + (s13*s23*z2*z4)/
    (4*s134*s34^2*z12*z34) + (s13^2*s23*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s23*z2*z4)/(s12*s34^2*z12*z34) - (s13*s14*s23*z2*z4)/
    (s12^2*s34^2*z12*z34) + (s13*s14*s23*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^2*s23*z2*z4)/(s12^2*s34^2*z12*z34) + (s13*s23^2*z2*z4)/
    (4*s12*s134*s34^2*z12*z34) - (s14*s23^2*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s13^2*z2*z4)/(4*s234*s34^2*z12*z34) + 
   (s13^3*z2*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s13*s14*z2*z4)/(4*s234*s34^2*z12*z34) + (s13^2*s14*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s14^2*z2*z4)/
    (4*s12*s234*s34^2*z12*z34) + (s13*s23*z2*z4)/(4*s234*s34^2*z12*z34) + 
   (s13^2*s23*z2*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*s14*s23*z2*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*s23^2*z2*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (2*s13*s24*z2*z4)/(s12*s34^2*z12*z34) + (s13^2*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) + (s13*s24*z2*z4)/(4*s134*s34^2*z12*z34) + 
   (s13^2*s24*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s13*s14*s24*z2*z4)/(s12^2*s34^2*z12*z34) + (s13*s14*s24*z2*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s13*s23*s24*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s23*s24*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s23*s24*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s24*z2*z4)/(4*s234*s34^2*z12*z34) + (s13^2*s24*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s14*s24*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s23*s24*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s24^2*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s24^2*z2*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s13*s24^2*z2*z4)/(4*s12*s234*s34^2*z12*z34) - (z2*z4)/(s34*z12*z34) + 
   (s13*z2*z4)/(s12*s34*z12*z34) + (s13*z2*z4)/(2*s123*s34*z12*z34) + 
   (s13*z2*z4)/(2*s124*s34*z12*z34) + (s13^2*z2*z4)/(s12^2*s34*z12*z34) + 
   (3*s13^2*z2*z4)/(4*s12*s123*s34*z12*z34) + 
   (3*s13^2*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^3*z2*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^3*z2*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s13*z2*z4)/(2*s134*s34*z12*z34) + (3*s13^2*z2*z4)/
    (4*s12*s134*s34*z12*z34) - (s14*z2*z4)/(s12*s34*z12*z34) + 
   (s13*s14*z2*z4)/(s12^2*s34*z12*z34) + (3*s13*s14*z2*z4)/
    (4*s12*s123*s34*z12*z34) + (3*s13*s14*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s14*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s13*s14*z2*z4)/(4*s12*s134*s34*z12*z34) + 
   (s13*s14^2*z2*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s13*s14^2*z2*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (s23*z2*z4)/(s12*s34*z12*z34) + (s13*s23*z2*z4)/(s12^2*s34*z12*z34) + 
   (3*s13*s23*z2*z4)/(4*s12*s123*s34*z12*z34) + 
   (3*s13*s23*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s23*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s23*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s13*s23*z2*z4)/(4*s12*s134*s34*z12*z34) - 
   (s14*s23*z2*z4)/(s12^2*s34*z12*z34) + (s13*s14*s23*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s14*s23*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) + (s13*s23^2*z2*z4)/
    (4*s12^2*s123*s34*z12*z34) + (s13*s23^2*z2*z4)/
    (4*s12^2*s124*s34*z12*z34) + (s13*z2*z4)/(2*s234*s34*z12*z34) + 
   (3*s13^2*z2*z4)/(4*s12*s234*s34*z12*z34) + 
   (3*s13*s14*z2*z4)/(4*s12*s234*s34*z12*z34) + 
   (3*s13*s23*z2*z4)/(4*s12*s234*s34*z12*z34) - 
   (s24*z2*z4)/(s12*s34*z12*z34) + (2*s13*s24*z2*z4)/(s12^2*s34*z12*z34) + 
   (3*s13*s24*z2*z4)/(4*s12*s123*s34*z12*z34) + 
   (3*s13*s24*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s13*s24*z2*z4)/(4*s12*s134*s34*z12*z34) + 
   (s13*s14*s24*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14*s24*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s13*s23*s24*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s23*s24*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s13*s24*z2*z4)/(4*s12*s234*s34*z12*z34) + 
   (s13*s24^2*z2*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s13*s24^2*z2*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (3*z3*z4)/(2*s123*z12*z34) - (z3*z4)/(2*s124*z12*z34) - 
   (s13*z3*z4)/(s12*s123*z12*z34) + (s13*z3*z4)/(s12*s124*z12*z34) - 
   (z3*z4)/(2*s134*z12*z34) - (s14*z3*z4)/(2*s12*s123*z12*z34) + 
   (s14*z3*z4)/(2*s12*s124*z12*z34) - (s23*z3*z4)/(s12*s123*z12*z34) + 
   (s23*z3*z4)/(s12*s124*z12*z34) - (z3*z4)/(2*s234*z12*z34) - 
   (s24*z3*z4)/(2*s12*s123*z12*z34) + (s24*z3*z4)/(2*s12*s124*z12*z34) - 
   (3*s12*z3*z4)/(s34^2*z12*z34) - (4*s13*z3*z4)/(s34^2*z12*z34) - 
   (s13^2*z3*z4)/(s12*s34^2*z12*z34) + (s12*s13*z3*z4)/
    (4*s134*s34^2*z12*z34) + (s13^2*z3*z4)/(2*s134*s34^2*z12*z34) + 
   (s13^3*z3*z4)/(4*s12*s134*s34^2*z12*z34) - (4*s14*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s14*z3*z4)/(s12*s34^2*z12*z34) + (s12*s14*z3*z4)/
    (4*s134*s34^2*z12*z34) + (s13*s14*z3*z4)/(s134*s34^2*z12*z34) + 
   (3*s13^2*s14*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s14^2*z3*z4)/(s12*s34^2*z12*z34) + (s14^2*z3*z4)/(2*s134*s34^2*z12*z34) + 
   (3*s13*s14^2*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s14^3*z3*z4)/(4*s12*s134*s34^2*z12*z34) - (4*s23*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s23*z3*z4)/(s12*s34^2*z12*z34) - (s12*s23*z3*z4)/
    (4*s134*s34^2*z12*z34) + (s13*s23*z3*z4)/(4*s134*s34^2*z12*z34) + 
   (s13^2*s23*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (2*s14*s23*z3*z4)/(s12*s34^2*z12*z34) + (s14*s23*z3*z4)/
    (4*s134*s34^2*z12*z34) + (s13*s14*s23*z3*z4)/(s12*s134*s34^2*z12*z34) + 
   (s14^2*s23*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s23^2*z3*z4)/(s12*s34^2*z12*z34) - (s23^2*z3*z4)/(4*s134*s34^2*z12*z34) + 
   (s13*s23^2*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s14*s23^2*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (3*s12*s13*z3*z4)/(4*s234*s34^2*z12*z34) - 
   (s13^2*z3*z4)/(s234*s34^2*z12*z34) - (s13^3*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (3*s12*s14*z3*z4)/(4*s234*s34^2*z12*z34) - 
   (2*s13*s14*z3*z4)/(s234*s34^2*z12*z34) - (3*s13^2*s14*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s14^2*z3*z4)/(s234*s34^2*z12*z34) - 
   (3*s13*s14^2*z3*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (s14^3*z3*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (s12*s23*z3*z4)/(4*s234*s34^2*z12*z34) - (5*s13*s23*z3*z4)/
    (4*s234*s34^2*z12*z34) - (s13^2*s23*z3*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (5*s14*s23*z3*z4)/(4*s234*s34^2*z12*z34) - (s13*s14*s23*z3*z4)/
    (s12*s234*s34^2*z12*z34) - (s14^2*s23*z3*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s23^2*z3*z4)/(4*s234*s34^2*z12*z34) - (s13*s23^2*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s14*s23^2*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (4*s24*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s24*z3*z4)/(s12*s34^2*z12*z34) - (s12*s24*z3*z4)/
    (4*s134*s34^2*z12*z34) + (s13*s24*z3*z4)/(4*s134*s34^2*z12*z34) + 
   (s13^2*s24*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (2*s14*s24*z3*z4)/(s12*s34^2*z12*z34) + (s14*s24*z3*z4)/
    (4*s134*s34^2*z12*z34) + (s13*s14*s24*z3*z4)/(s12*s134*s34^2*z12*z34) + 
   (s14^2*s24*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (2*s23*s24*z3*z4)/(s12*s34^2*z12*z34) - (s23*s24*z3*z4)/
    (2*s134*s34^2*z12*z34) + (s13*s23*s24*z3*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23*s24*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s12*s24*z3*z4)/(4*s234*s34^2*z12*z34) - (5*s13*s24*z3*z4)/
    (4*s234*s34^2*z12*z34) - (s13^2*s24*z3*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (5*s14*s24*z3*z4)/(4*s234*s34^2*z12*z34) - (s13*s14*s24*z3*z4)/
    (s12*s234*s34^2*z12*z34) - (s14^2*s24*z3*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s23*s24*z3*z4)/(2*s234*s34^2*z12*z34) - (s13*s23*s24*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) - (s14*s23*s24*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) - (s24^2*z3*z4)/(s12*s34^2*z12*z34) - 
   (s24^2*z3*z4)/(4*s134*s34^2*z12*z34) + (s13*s24^2*z3*z4)/
    (4*s12*s134*s34^2*z12*z34) + (s14*s24^2*z3*z4)/
    (4*s12*s134*s34^2*z12*z34) - (s24^2*z3*z4)/(4*s234*s34^2*z12*z34) - 
   (s13*s24^2*z3*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (s14*s24^2*z3*z4)/(4*s12*s234*s34^2*z12*z34) - (3*z3*z4)/(s34*z12*z34) - 
   (3*s12*z3*z4)/(2*s123*s34*z12*z34) - (3*s12*z3*z4)/(2*s124*s34*z12*z34) - 
   (s13*z3*z4)/(s12*s34*z12*z34) - (5*s13*z3*z4)/(2*s123*s34*z12*z34) - 
   (3*s13*z3*z4)/(2*s124*s34*z12*z34) - (s13^2*z3*z4)/
    (s12*s123*s34*z12*z34) - (s12*z3*z4)/(2*s134*s34*z12*z34) - 
   (s13*z3*z4)/(4*s134*s34*z12*z34) + (s13^2*z3*z4)/
    (4*s12*s134*s34*z12*z34) - (s14*z3*z4)/(s12*s34*z12*z34) - 
   (2*s14*z3*z4)/(s123*s34*z12*z34) - (2*s14*z3*z4)/(s124*s34*z12*z34) - 
   (3*s13*s14*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s13*s14*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s14*z3*z4)/(4*s134*s34*z12*z34) + (s13*s14*z3*z4)/
    (2*s12*s134*s34*z12*z34) - (s14^2*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s14^2*z3*z4)/(2*s12*s124*s34*z12*z34) + 
   (s14^2*z3*z4)/(4*s12*s134*s34*z12*z34) - (s23*z3*z4)/(s12*s34*z12*z34) - 
   (5*s23*z3*z4)/(2*s123*s34*z12*z34) - (3*s23*z3*z4)/(2*s124*s34*z12*z34) - 
   (2*s13*s23*z3*z4)/(s12*s123*s34*z12*z34) - 
   (3*s23*z3*z4)/(4*s134*s34*z12*z34) + (s13*s23*z3*z4)/
    (4*s12*s134*s34*z12*z34) - (3*s14*s23*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s14*s23*z3*z4)/(2*s12*s124*s34*z12*z34) + 
   (s14*s23*z3*z4)/(4*s12*s134*s34*z12*z34) - 
   (s23^2*z3*z4)/(s12*s123*s34*z12*z34) - (s12*z3*z4)/(2*s234*s34*z12*z34) - 
   (5*s13*z3*z4)/(4*s234*s34*z12*z34) - (s13^2*z3*z4)/
    (4*s12*s234*s34*z12*z34) - (5*s14*z3*z4)/(4*s234*s34*z12*z34) - 
   (s13*s14*z3*z4)/(2*s12*s234*s34*z12*z34) - 
   (s14^2*z3*z4)/(4*s12*s234*s34*z12*z34) - 
   (3*s23*z3*z4)/(4*s234*s34*z12*z34) - (s13*s23*z3*z4)/
    (4*s12*s234*s34*z12*z34) - (s14*s23*z3*z4)/(4*s12*s234*s34*z12*z34) - 
   (s24*z3*z4)/(s12*s34*z12*z34) - (2*s24*z3*z4)/(s123*s34*z12*z34) - 
   (2*s24*z3*z4)/(s124*s34*z12*z34) - (3*s13*s24*z3*z4)/
    (2*s12*s123*s34*z12*z34) - (s13*s24*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (3*s24*z3*z4)/(4*s134*s34*z12*z34) + (s13*s24*z3*z4)/
    (4*s12*s134*s34*z12*z34) - (s14*s24*z3*z4)/(s12*s123*s34*z12*z34) - 
   (s14*s24*z3*z4)/(s12*s124*s34*z12*z34) + (s14*s24*z3*z4)/
    (4*s12*s134*s34*z12*z34) - (3*s23*s24*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s23*s24*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (3*s24*z3*z4)/(4*s234*s34*z12*z34) - (s13*s24*z3*z4)/
    (4*s12*s234*s34*z12*z34) - (s14*s24*z3*z4)/(4*s12*s234*s34*z12*z34) - 
   (s24^2*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s24^2*z3*z4)/(2*s12*s124*s34*z12*z34) + (s34*z3*z4)/(s12*s124*z12*z34) - 
   (2*z3*z4^2)/(s12*z12*z34^2) + (2*s12*z3*z4^2)/(s34^2*z12*z34^2) + 
   (2*s13*z3*z4^2)/(s34^2*z12*z34^2) + (2*s14*z3*z4^2)/(s34^2*z12*z34^2) + 
   (2*s23*z3*z4^2)/(s34^2*z12*z34^2) + (2*s24*z3*z4^2)/(s34^2*z12*z34^2) - 
   (2*s13*z3*z4^2)/(s12*s34*z12*z34^2) - (2*s14*z3*z4^2)/
    (s12*s34*z12*z34^2) - (2*s23*z3*z4^2)/(s12*s34*z12*z34^2) - 
   (2*s24*z3*z4^2)/(s12*s34*z12*z34^2) + (s13*z4^2)/(s34^2*z12*z34) + 
   (s13^2*z4^2)/(s12*s34^2*z12*z34) - (s12*s13*z4^2)/(2*s134*s34^2*z12*z34) - 
   (3*s13^2*z4^2)/(4*s134*s34^2*z12*z34) - 
   (s13^3*z4^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s13*s14*z4^2)/(s12*s34^2*z12*z34) - (3*s13*s14*z4^2)/
    (4*s134*s34^2*z12*z34) - (s13^2*s14*z4^2)/(2*s12*s134*s34^2*z12*z34) - 
   (s13*s14^2*z4^2)/(4*s12*s134*s34^2*z12*z34) + (s23*z4^2)/(s34^2*z12*z34) + 
   (2*s13*s23*z4^2)/(s12*s34^2*z12*z34) - (3*s13*s23*z4^2)/
    (4*s134*s34^2*z12*z34) - (s13^2*s23*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23*z4^2)/(s12*s34^2*z12*z34) - (s13*s14*s23*z4^2)/
    (2*s12*s134*s34^2*z12*z34) + (s23^2*z4^2)/(s12*s34^2*z12*z34) - 
   (s13*s23^2*z4^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s12*s13*z4^2)/(2*s234*s34^2*z12*z34) + 
   (3*s13^2*z4^2)/(4*s234*s34^2*z12*z34) + 
   (s13^3*z4^2)/(4*s12*s234*s34^2*z12*z34) + (3*s13*s14*z4^2)/
    (4*s234*s34^2*z12*z34) + (s13^2*s14*z4^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*s14^2*z4^2)/(4*s12*s234*s34^2*z12*z34) + 
   (3*s13*s23*z4^2)/(4*s234*s34^2*z12*z34) + (s13^2*s23*z4^2)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s14*s23*z4^2)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s23^2*z4^2)/
    (4*s12*s234*s34^2*z12*z34) + (s13*s24*z4^2)/(s12*s34^2*z12*z34) - 
   (3*s13*s24*z4^2)/(4*s134*s34^2*z12*z34) - (s13^2*s24*z4^2)/
    (2*s12*s134*s34^2*z12*z34) - (s13*s14*s24*z4^2)/
    (2*s12*s134*s34^2*z12*z34) + (s23*s24*z4^2)/(s12*s34^2*z12*z34) - 
   (s13*s23*s24*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (3*s13*s24*z4^2)/(4*s234*s34^2*z12*z34) + (s13^2*s24*z4^2)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s14*s24*z4^2)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s23*s24*z4^2)/
    (2*s12*s234*s34^2*z12*z34) - (s13*s24^2*z4^2)/
    (4*s12*s134*s34^2*z12*z34) + (s13*s24^2*z4^2)/
    (4*s12*s234*s34^2*z12*z34) + (s13*z4^2)/(s12*s34*z12*z34) - 
   (s13*z4^2)/(2*s134*s34*z12*z34) - (s13^2*z4^2)/(4*s12*s134*s34*z12*z34) - 
   (s13*s14*z4^2)/(4*s12*s134*s34*z12*z34) + (s23*z4^2)/(s12*s34*z12*z34) - 
   (s13*s23*z4^2)/(4*s12*s134*s34*z12*z34) + 
   (s13*z4^2)/(2*s234*s34*z12*z34) + (s13^2*z4^2)/(4*s12*s234*s34*z12*z34) + 
   (s13*s14*z4^2)/(4*s12*s234*s34*z12*z34) + 
   (s13*s23*z4^2)/(4*s12*s234*s34*z12*z34) - 
   (s13*s24*z4^2)/(4*s12*s134*s34*z12*z34) + 
   (s13*s24*z4^2)/(4*s12*s234*s34*z12*z34)) + 
 k4k2*(-D/(2*s12) - D/(4*s123) - D/(4*s124) + s13/s12^2 + 
   (2*s13)/(s12*s124) - (D*s13)/(2*s12*s124) + (3*s13)/(s123*s124) - 
   (D*s13)/(2*s123*s124) - (3*s13^2)/(2*s12^2*s123) + 
   (3*s13^2)/(s12*s123*s124) - (D*s13^2)/(2*s12*s123*s124) - D/(4*s134) - 
   (D*s12)/(2*s123*s134) - s12/(s124*s134) + (D*s12)/(4*s124*s134) - 
   s13/(2*s12*s134) + (D*s13)/(4*s12*s134) - (D*s13)/(2*s123*s134) - 
   (2*s13)/(s124*s134) + (D*s13)/(4*s124*s134) - (2*s13^2)/(s12*s123*s134) - 
   (D*s13^2)/(2*s12*s123*s134) + s13^2/(s12*s124*s134) - 
   (D*s13^2)/(4*s12*s124*s134) + s14/s12^2 - (D*s14)/(4*s12*s123) + 
   s14/(2*s12*s124) - (D*s14)/(4*s12*s124) + (2*s13*s14)/(s12*s123*s124) - 
   (D*s13*s14)/(2*s12*s123*s124) - (s13^2*s14)/(s12^2*s123*s124) + 
   s14/(2*s12*s134) + (D*s14)/(4*s12*s134) - (D*s14)/(2*s123*s134) - 
   (2*s14)/(s124*s134) + (D*s14)/(4*s124*s134) + 
   (2*s13*s14)/(s12*s123*s134) - (D*s13*s14)/(2*s12*s123*s134) - 
   (D*s13*s14)/(4*s12*s124*s134) + s14^2/(2*s12^2*s124) - 
   (s13*s14^2)/(s12^2*s123*s124) - s14^2/(s12*s124*s134) + s23/(2*s12*s123) + 
   s23/(s12*s124) - (D*s23)/(2*s12*s124) + (2*s23)/(s123*s124) - 
   (D*s23)/(2*s123*s124) + (3*s13*s23)/(2*s12^2*s123) + 
   (5*s13*s23)/(s12*s123*s124) - (D*s13*s23)/(s12*s123*s124) - 
   (D*s23)/(2*s123*s134) - s23/(s124*s134) + (D*s23)/(4*s124*s134) + 
   (2*s13*s23)/(s12*s123*s134) - (D*s13*s23)/(2*s12*s123*s134) + 
   (s13*s23)/(s12*s124*s134) - (D*s13*s23)/(4*s12*s124*s134) - 
   (s14*s23)/(2*s12^2*s123) + (2*s14*s23)/(s12*s123*s124) - 
   (D*s14*s23)/(2*s12*s123*s124) - (s13*s14*s23)/(s12^2*s123*s124) - 
   (D*s14*s23)/(2*s12*s123*s134) - (D*s14*s23)/(4*s12*s124*s134) + 
   (2*s23^2)/(s12*s123*s124) - (D*s23^2)/(2*s12*s123*s124) - D/(4*s234) - 
   s12/(s123*s234) + (D*s12)/(4*s123*s234) - (D*s12)/(2*s124*s234) + 
   (2*s13)/(s12*s234) - (D*s13)/(4*s12*s234) - (2*s13)/(s123*s234) + 
   (D*s13)/(4*s123*s234) - (D*s13)/(2*s124*s234) - 
   (D*s13^2)/(4*s12*s123*s234) + (2*s13^2)/(s12*s124*s234) - 
   (D*s13^2)/(2*s12*s124*s234) - s12/(s134*s234) + (3*s13)/(s134*s234) - 
   (D*s13)/(2*s134*s234) + s14/(s12*s234) - (D*s14)/(4*s12*s234) - 
   s14/(s123*s234) + (D*s14)/(4*s123*s234) - (D*s14)/(2*s124*s234) - 
   (D*s13*s14)/(4*s12*s123*s234) + (2*s13*s14)/(s12*s124*s234) - 
   (D*s13*s14)/(2*s12*s124*s234) + (2*s14)/(s134*s234) - 
   (D*s14)/(2*s134*s234) - (2*s23)/(s123*s234) + (D*s23)/(4*s123*s234) - 
   (D*s23)/(2*s124*s234) - (D*s13*s23)/(4*s12*s123*s234) + 
   (2*s13*s23)/(s12*s124*s234) - (D*s13*s23)/(2*s12*s124*s234) + 
   (s14*s23)/(s12*s123*s234) - (D*s14*s23)/(4*s12*s123*s234) - 
   (D*s14*s23)/(2*s12*s124*s234) - (D*s24)/(4*s12*s123) - 
   (D*s24)/(4*s12*s124) + (3*s13*s24)/(2*s12^2*s123) + 
   (4*s13*s24)/(s12*s123*s124) - (D*s13*s24)/(2*s12*s123*s124) + 
   (s13^2*s24)/(s12^2*s123*s124) - (D*s24)/(2*s123*s134) - s24/(s124*s134) + 
   (D*s24)/(4*s124*s134) + (2*s13*s24)/(s12*s123*s134) + 
   (s14*s24)/(2*s12^2*s124) - (s14*s24)/(s12*s124*s134) + 
   (2*s23*s24)/(s12*s123*s124) - (D*s23*s24)/(2*s12*s123*s124) + 
   (s13*s23*s24)/(s12^2*s123*s124) - s24/(s123*s234) + 
   (D*s24)/(4*s123*s234) - (D*s24)/(2*s124*s234) - 
   (s13*s24)/(s12*s123*s234) - (2*s13*s24)/(s12*s124*s234) + 
   (s13*s24^2)/(s12^2*s123*s124) + s13/s34^2 - s13^2/(s12*s34^2) - 
   (2*s13^3)/(s12^2*s34^2) + (s12*s13)/(2*s134*s34^2) - 
   (3*s13^2)/(2*s134*s34^2) - (2*s13^3)/(s12*s134*s34^2) + 
   (s13*s14)/(s12*s34^2) - (2*s13^2*s14)/(s12^2*s34^2) + 
   (3*s13*s14)/(2*s134*s34^2) - (s13^2*s14)/(s12*s134*s34^2) + 
   (s13*s14^2)/(s12*s134*s34^2) + s23/s34^2 + (2*s13*s23)/(s12*s34^2) - 
   (2*s13^2*s23)/(s12^2*s34^2) - (5*s13^2*s23)/(2*s12*s134*s34^2) - 
   (s13*s14*s23)/(s12^2*s34^2) - (s14*s23)/(2*s134*s34^2) - 
   (s14^2*s23)/(s12^2*s34^2) - (s14^2*s23)/(2*s12*s134*s34^2) + 
   s23^2/(s12*s34^2) - (s13*s23^2)/(2*s12*s134*s34^2) - 
   (s14*s23^2)/(s12^2*s34^2) - (s14*s23^2)/(2*s12*s134*s34^2) + 
   (s12*s23)/(2*s234*s34^2) - (s13^2*s23)/(2*s12*s234*s34^2) - 
   (s12*s13*s23)/(s134*s234*s34^2) - (s13^2*s23)/(s134*s234*s34^2) - 
   (s13*s14*s23)/(s12*s234*s34^2) - (s13*s14*s23)/(s134*s234*s34^2) - 
   (s14^2*s23)/(2*s12*s234*s34^2) + s23^2/(2*s234*s34^2) - 
   (s13*s23^2)/(2*s12*s234*s34^2) - (s13*s23^2)/(s134*s234*s34^2) - 
   (s14*s23^2)/(2*s12*s234*s34^2) + (2*s13*s24)/(s12*s34^2) - 
   (s13^2*s24)/(s12^2*s34^2) + (3*s13*s24)/(2*s134*s34^2) - 
   (s13^2*s24)/(s12*s134*s34^2) + (s13*s14*s24)/(s12^2*s34^2) + 
   (2*s13*s14*s24)/(s12*s134*s34^2) + (s23*s24)/(s12*s34^2) + 
   (s13*s23*s24)/(s12^2*s34^2) + (s13*s23*s24)/(2*s12*s134*s34^2) - 
   (s14*s23*s24)/(s12^2*s34^2) - (s14*s23*s24)/(2*s12*s134*s34^2) + 
   (s12*s13*s24)/(s134*s234*s34^2) + (s13^2*s24)/(s134*s234*s34^2) + 
   (s13*s14*s24)/(s134*s234*s34^2) + (s23*s24)/(2*s234*s34^2) - 
   (s13*s23*s24)/(2*s12*s234*s34^2) - (s14*s23*s24)/(2*s12*s234*s34^2) + 
   (s13*s24^2)/(s12^2*s34^2) + (s13*s24^2)/(s12*s134*s34^2) + 
   (s13*s24^2)/(s134*s234*s34^2) - D/(2*s34) + (2*s13)/(s12*s34) - 
   (D*s13)/(2*s12*s34) - s13/(2*s123*s34) + (D*s13)/(4*s123*s34) + 
   (2*s13)/(s124*s34) - (D*s13)/(4*s124*s34) - s13^2/(s12^2*s34) - 
   (5*s13^2)/(2*s12*s123*s34) + (D*s13^2)/(4*s12*s123*s34) + 
   (2*s13^2)/(s12*s124*s34) - (D*s13^2)/(4*s12*s124*s34) - 
   (2*s13^3)/(s12^2*s123*s34) - (D*s12)/(4*s134*s34) - 
   (s12*s13)/(s124*s134*s34) - (5*s13^2)/(2*s12*s134*s34) + 
   (D*s13^2)/(4*s12*s134*s34) - (2*s13^2)/(s123*s134*s34) - 
   (D*s13^2)/(2*s123*s134*s34) - (D*s13^2)/(4*s124*s134*s34) - 
   (2*s13^3)/(s12*s123*s134*s34) - (D*s13^3)/(2*s12*s123*s134*s34) + 
   s13^3/(s12*s124*s134*s34) - (D*s13^3)/(4*s12*s124*s134*s34) + 
   s14/(s12*s34) - (D*s14)/(2*s12*s34) + (2*s13*s14)/(s12^2*s34) - 
   (s13*s14)/(s12*s123*s34) + (D*s13*s14)/(4*s12*s123*s34) + 
   (3*s13*s14)/(2*s12*s124*s34) - (D*s13*s14)/(4*s12*s124*s34) - 
   (5*s13^2*s14)/(2*s12^2*s123*s34) - (s13^2*s14)/(2*s12^2*s124*s34) + 
   s14/(2*s134*s34) + (s13*s14)/(s12*s134*s34) + 
   (D*s13*s14)/(2*s12*s134*s34) + (2*s13*s14)/(s123*s134*s34) - 
   (D*s13*s14)/(2*s123*s134*s34) - (D*s13*s14)/(4*s124*s134*s34) - 
   (D*s13^2*s14)/(s12*s123*s134*s34) + (2*s13^2*s14)/(s12*s124*s134*s34) - 
   (D*s13^2*s14)/(2*s12*s124*s134*s34) + s14^2/(s12^2*s34) - 
   (s13*s14^2)/(2*s12^2*s123*s34) - (s13*s14^2)/(2*s12^2*s124*s34) + 
   s14^2/(2*s12*s134*s34) + (D*s14^2)/(4*s12*s134*s34) + 
   (2*s13*s14^2)/(s12*s123*s134*s34) - (D*s13*s14^2)/(2*s12*s123*s134*s34) + 
   (s13*s14^2)/(s12*s124*s134*s34) - (D*s13*s14^2)/(4*s12*s124*s134*s34) + 
   s23/(s12*s34) - (D*s23)/(2*s12*s34) + s23/(2*s123*s34) + 
   (D*s23)/(4*s123*s34) + s23/(s124*s34) - (D*s23)/(4*s124*s34) + 
   (s13*s23)/(s12^2*s34) + (s13*s23)/(s12*s123*s34) + 
   (D*s13*s23)/(2*s12*s123*s34) + (3*s13*s23)/(s12*s124*s34) - 
   (D*s13*s23)/(2*s12*s124*s34) - (s13^2*s23)/(s12^2*s123*s34) - 
   (D*s23)/(4*s134*s34) - (s13*s23)/(s12*s134*s34) + 
   (D*s13*s23)/(4*s12*s134*s34) + (2*s13*s23)/(s123*s134*s34) - 
   (D*s13*s23)/(2*s123*s134*s34) - (D*s13*s23)/(4*s124*s134*s34) - 
   (D*s13^2*s23)/(s12*s123*s134*s34) + (2*s13^2*s23)/(s12*s124*s134*s34) - 
   (D*s13^2*s23)/(2*s12*s124*s134*s34) + (D*s14*s23)/(4*s12*s123*s34) + 
   (s14*s23)/(2*s12*s124*s34) - (D*s14*s23)/(4*s12*s124*s34) - 
   (s13*s14*s23)/(s12^2*s124*s34) + (D*s14*s23)/(4*s12*s134*s34) - 
   (D*s14*s23)/(2*s123*s134*s34) + (s14*s23)/(s124*s134*s34) - 
   (D*s14*s23)/(4*s124*s134*s34) + (4*s13*s14*s23)/(s12*s123*s134*s34) - 
   (3*D*s13*s14*s23)/(2*s12*s123*s134*s34) + 
   (3*s13*s14*s23)/(s12*s124*s134*s34) - (3*D*s13*s14*s23)/
    (4*s12*s124*s134*s34) - (s14^2*s23)/(2*s12^2*s123*s34) - 
   (s14^2*s23)/(2*s12^2*s124*s34) - (D*s14^2*s23)/(2*s12*s123*s134*s34) + 
   (s14^2*s23)/(s12*s124*s134*s34) - (D*s14^2*s23)/(4*s12*s124*s134*s34) + 
   s23^2/(2*s12*s123*s34) + (D*s23^2)/(4*s12*s123*s34) + 
   s23^2/(s12*s124*s34) - (D*s23^2)/(4*s12*s124*s34) + 
   (s13*s23^2)/(s12^2*s123*s34) + (2*s13*s23^2)/(s12*s123*s134*s34) - 
   (D*s13*s23^2)/(2*s12*s123*s134*s34) + (s13*s23^2)/(s12*s124*s134*s34) - 
   (D*s13*s23^2)/(4*s12*s124*s134*s34) - (s14*s23^2)/(2*s12^2*s123*s34) - 
   (s14*s23^2)/(2*s12^2*s124*s34) - (D*s14*s23^2)/(2*s12*s123*s134*s34) + 
   (s14*s23^2)/(s12*s124*s134*s34) - (D*s14*s23^2)/(4*s12*s124*s134*s34) - 
   (D*s12)/(4*s234*s34) + (2*s13)/(s234*s34) - (D*s13)/(2*s234*s34) + 
   (2*s13^2)/(s12*s234*s34) - (D*s13^2)/(4*s12*s234*s34) + 
   s13^2/(s123*s234*s34) - (D*s13^2)/(4*s123*s234*s34) + 
   (2*s13^2)/(s124*s234*s34) - (D*s13^2)/(2*s124*s234*s34) + 
   s13^3/(s12*s123*s234*s34) - (D*s13^3)/(4*s12*s123*s234*s34) + 
   (2*s13^3)/(s12*s124*s234*s34) - (D*s13^3)/(2*s12*s124*s234*s34) - 
   s12^2/(s134*s234*s34) + (2*s12*s13)/(s134*s234*s34) - 
   (D*s12*s13)/(2*s134*s234*s34) + (3*s13^2)/(s134*s234*s34) - 
   (D*s13^2)/(2*s134*s234*s34) + s14/(s234*s34) - (D*s14)/(2*s234*s34) + 
   (3*s13*s14)/(s12*s234*s34) - (D*s13*s14)/(2*s12*s234*s34) + 
   (s13*s14)/(s123*s234*s34) - (D*s13*s14)/(4*s123*s234*s34) + 
   (2*s13*s14)/(s124*s234*s34) - (D*s13*s14)/(2*s124*s234*s34) + 
   (2*s13^2*s14)/(s12*s123*s234*s34) - (D*s13^2*s14)/(2*s12*s123*s234*s34) + 
   (4*s13^2*s14)/(s12*s124*s234*s34) - (D*s13^2*s14)/(s12*s124*s234*s34) + 
   (s12*s14)/(s134*s234*s34) - (D*s12*s14)/(2*s134*s234*s34) + 
   (5*s13*s14)/(s134*s234*s34) - (D*s13*s14)/(s134*s234*s34) + 
   s14^2/(s12*s234*s34) - (D*s14^2)/(4*s12*s234*s34) + 
   (s13*s14^2)/(s12*s123*s234*s34) - (D*s13*s14^2)/(4*s12*s123*s234*s34) + 
   (2*s13*s14^2)/(s12*s124*s234*s34) - (D*s13*s14^2)/(2*s12*s124*s234*s34) + 
   (2*s14^2)/(s134*s234*s34) - (D*s14^2)/(2*s134*s234*s34) + 
   s23/(2*s234*s34) - (D*s23)/(4*s234*s34) - (s12*s23)/(s123*s234*s34) + 
   (3*s13*s23)/(2*s12*s234*s34) - (D*s13*s23)/(4*s12*s234*s34) - 
   (D*s13*s23)/(4*s123*s234*s34) + (2*s13*s23)/(s124*s234*s34) - 
   (D*s13*s23)/(2*s124*s234*s34) + (2*s13^2*s23)/(s12*s123*s234*s34) - 
   (D*s13^2*s23)/(2*s12*s123*s234*s34) + (4*s13^2*s23)/(s12*s124*s234*s34) - 
   (D*s13^2*s23)/(s12*s124*s234*s34) - (s12*s23)/(s134*s234*s34) + 
   (2*s13*s23)/(s134*s234*s34) - (D*s13*s23)/(2*s134*s234*s34) + 
   (s14*s23)/(2*s12*s234*s34) - (D*s14*s23)/(4*s12*s234*s34) - 
   (D*s14*s23)/(4*s123*s234*s34) - (D*s14*s23)/(2*s124*s234*s34) + 
   (3*s13*s14*s23)/(s12*s123*s234*s34) - (3*D*s13*s14*s23)/
    (4*s12*s123*s234*s34) + (4*s13*s14*s23)/(s12*s124*s234*s34) - 
   (3*D*s13*s14*s23)/(2*s12*s124*s234*s34) + (2*s14*s23)/(s134*s234*s34) - 
   (D*s14*s23)/(2*s134*s234*s34) + (s14^2*s23)/(s12*s123*s234*s34) - 
   (D*s14^2*s23)/(4*s12*s123*s234*s34) - (D*s14^2*s23)/
    (2*s12*s124*s234*s34) - s23^2/(s123*s234*s34) + 
   (s13*s23^2)/(s12*s123*s234*s34) - (D*s13*s23^2)/(4*s12*s123*s234*s34) + 
   (2*s13*s23^2)/(s12*s124*s234*s34) - (D*s13*s23^2)/(2*s12*s124*s234*s34) + 
   (s14*s23^2)/(s12*s123*s234*s34) - (D*s14*s23^2)/(4*s12*s123*s234*s34) - 
   (D*s14*s23^2)/(2*s12*s124*s234*s34) - (D*s24)/(2*s12*s34) + 
   (2*s13*s24)/(s12^2*s34) + (s13*s24)/(2*s12*s123*s34) + 
   (D*s13*s24)/(4*s12*s123*s34) + (2*s13*s24)/(s12*s124*s34) - 
   (D*s13*s24)/(4*s12*s124*s34) - (s13^2*s24)/(s12^2*s123*s34) - 
   (D*s24)/(4*s134*s34) + (s13*s24)/(2*s12*s134*s34) + 
   (D*s13*s24)/(4*s12*s134*s34) + (2*s13*s24)/(s123*s134*s34) - 
   (s13*s24)/(s124*s134*s34) - (D*s13^2*s24)/(2*s12*s123*s134*s34) + 
   (s13^2*s24)/(s12*s124*s134*s34) - (D*s13^2*s24)/(4*s12*s124*s134*s34) + 
   (s14*s24)/(s12^2*s34) + (s13*s14*s24)/(2*s12^2*s123*s34) - 
   (s13*s14*s24)/(2*s12^2*s124*s34) + (s14*s24)/(2*s12*s134*s34) + 
   (D*s14*s24)/(4*s12*s134*s34) + (4*s13*s14*s24)/(s12*s123*s134*s34) - 
   (D*s13*s14*s24)/(2*s12*s123*s134*s34) + 
   (s13*s14*s24)/(s12*s124*s134*s34) - (D*s13*s14*s24)/
    (4*s12*s124*s134*s34) + (s23*s24)/(2*s12*s123*s34) + 
   (D*s23*s24)/(4*s12*s123*s34) + (s23*s24)/(s12*s124*s34) - 
   (D*s23*s24)/(4*s12*s124*s34) + (2*s13*s23*s24)/(s12^2*s123*s34) + 
   (4*s13*s23*s24)/(s12*s123*s134*s34) - (D*s13*s23*s24)/
    (2*s12*s123*s134*s34) + (s13*s23*s24)/(s12*s124*s134*s34) - 
   (D*s13*s23*s24)/(4*s12*s124*s134*s34) - (s14*s23*s24)/(2*s12^2*s123*s34) - 
   (s14*s23*s24)/(2*s12^2*s124*s34) - (D*s14*s23*s24)/(2*s12*s123*s134*s34) + 
   (s14*s23*s24)/(s12*s124*s134*s34) - (D*s14*s23*s24)/
    (4*s12*s124*s134*s34) - (D*s24)/(4*s234*s34) + 
   (2*s13*s24)/(s12*s234*s34) - (D*s13*s24)/(4*s12*s234*s34) - 
   (2*s13*s24)/(s124*s234*s34) + (s13^2*s24)/(s12*s123*s234*s34) - 
   (D*s13^2*s24)/(4*s12*s123*s234*s34) - (D*s13^2*s24)/
    (2*s12*s124*s234*s34) - (s12*s24)/(s134*s234*s34) + 
   (4*s13*s24)/(s134*s234*s34) - (D*s13*s24)/(2*s134*s234*s34) + 
   (s14*s24)/(s12*s234*s34) - (D*s14*s24)/(4*s12*s234*s34) + 
   (s13*s14*s24)/(s12*s123*s234*s34) - (D*s13*s14*s24)/
    (4*s12*s123*s234*s34) - (D*s13*s14*s24)/(2*s12*s124*s234*s34) + 
   (2*s14*s24)/(s134*s234*s34) - (D*s14*s24)/(2*s134*s234*s34) - 
   (s23*s24)/(s123*s234*s34) + (s13*s23*s24)/(s12*s123*s234*s34) - 
   (D*s13*s23*s24)/(4*s12*s123*s234*s34) - (D*s13*s23*s24)/
    (2*s12*s124*s234*s34) + (s14*s23*s24)/(s12*s123*s234*s34) - 
   (D*s14*s23*s24)/(4*s12*s123*s234*s34) - (D*s14*s23*s24)/
    (2*s12*s124*s234*s34) + (s13*s24^2)/(s12^2*s123*s34) + 
   (2*s13*s24^2)/(s12*s123*s134*s34) - (2*s13*s24^2)/(s12*s124*s234*s34) - 
   (D*s34)/(4*s12*s123) - (D*s34)/(4*s12*s124) - s34/(s123*s124) + 
   (s13*s34)/(2*s12^2*s123) + (2*s13*s34)/(s12*s123*s124) - 
   (D*s13*s34)/(2*s12*s123*s124) - (D*s34)/(2*s123*s134) - s34/(s124*s134) + 
   (D*s34)/(4*s124*s134) + (s14*s34)/(2*s12^2*s124) - 
   (s14*s34)/(s12*s123*s124) - (s13*s14*s34)/(s12^2*s123*s124) - 
   (s14*s34)/(s12*s124*s134) + (s23*s34)/(s12*s123*s124) - 
   (D*s23*s34)/(2*s12*s123*s124) - s34/(s123*s234) + (D*s34)/(4*s123*s234) - 
   (D*s34)/(2*s124*s234) - (s13*s34)/(s12*s123*s234) - 
   (s24*s34)/(s12*s123*s124) + (s13*s24*s34)/(s12^2*s123*s124) - 
   s34^2/(s12*s123*s124) + z1/(s12*z12) - (s13*z1)/(s12^2*z12) + 
   (3*s13*z1)/(2*s12*s123*z12) + (s13*z1)/(s12*s124*z12) + 
   (s13*z1)/(s123*s124*z12) + (3*s13^2*z1)/(2*s12^2*s123*z12) + 
   (s13^2*z1)/(s12*s123*s124*z12) - (s12*z1)/(s123*s134*z12) + 
   (s12*z1)/(2*s124*s134*z12) - (3*s13*z1)/(4*s12*s134*z12) - 
   (s13*z1)/(2*s124*s134*z12) + (s13^2*z1)/(s12*s123*s134*z12) - 
   (s14*z1)/(s12^2*z12) - (s14*z1)/(2*s12*s124*z12) + 
   (2*s13*s14*z1)/(s12*s123*s124*z12) + (s13^2*s14*z1)/
    (s12^2*s123*s124*z12) - (3*s14*z1)/(4*s12*s134*z12) - 
   (s14*z1)/(s123*s134*z12) + (s14*z1)/(s124*s134*z12) - 
   (s13*s14*z1)/(s12*s123*s134*z12) - (s13*s14*z1)/(2*s12*s124*s134*z12) - 
   (s14^2*z1)/(2*s12^2*s124*z12) + (s13*s14^2*z1)/(s12^2*s123*s124*z12) + 
   (s14^2*z1)/(2*s12*s124*s134*z12) - (2*s23*z1)/(s12^2*z12) + 
   (3*s13*s23*z1)/(2*s12^2*s123*z12) + (s13*s23*z1)/(s12*s123*s124*z12) - 
   (3*s23*z1)/(4*s12*s134*z12) - (2*s23*z1)/(s123*s134*z12) + 
   (s23*z1)/(2*s124*s134*z12) - (3*s14*s23*z1)/(2*s12^2*s123*z12) + 
   (s13*s14*s23*z1)/(s12^2*s123*s124*z12) - 
   (s14*s23*z1)/(s12*s123*s134*z12) + (s14*s23*z1)/(2*s12*s124*s134*z12) - 
   (s23^2*z1)/(s12*s123*s134*z12) + (s12*z1)/(2*s123*s234*z12) - 
   (s12*z1)/(s124*s234*z12) - (s13*z1)/(4*s12*s234*z12) + 
   (s13*z1)/(s123*s234*z12) - (s13*z1)/(s124*s234*z12) + 
   (s13^2*z1)/(2*s12*s123*s234*z12) - (s14*z1)/(4*s12*s234*z12) + 
   (s14*z1)/(2*s123*s234*z12) - (2*s14*z1)/(s124*s234*z12) + 
   (s13*s14*z1)/(2*s12*s123*s234*z12) - (s13*s14*z1)/(s12*s124*s234*z12) - 
   (s14^2*z1)/(s12*s124*s234*z12) - (3*s23*z1)/(4*s12*s234*z12) + 
   (s23*z1)/(s124*s234*z12) + (s14*s23*z1)/(2*s12*s123*s234*z12) + 
   (s14*s23*z1)/(s12*s124*s234*z12) - (s23^2*z1)/(2*s12*s123*s234*z12) - 
   (2*s24*z1)/(s12^2*z12) - (s24*z1)/(s12*s124*z12) + 
   (s13*s24*z1)/(2*s12^2*s123*z12) + (2*s13*s24*z1)/(s12*s123*s124*z12) + 
   (s13^2*s24*z1)/(s12^2*s123*s124*z12) - (3*s24*z1)/(4*s12*s134*z12) - 
   (s24*z1)/(s123*s134*z12) + (s24*z1)/(s124*s134*z12) - 
   (s13*s24*z1)/(s12*s123*s134*z12) - (s13*s24*z1)/(2*s12*s124*s134*z12) - 
   (3*s14*s24*z1)/(2*s12^2*s124*z12) + (2*s13*s14*s24*z1)/
    (s12^2*s123*s124*z12) + (s14*s24*z1)/(s12*s124*s134*z12) - 
   (s23*s24*z1)/(s12^2*s123*z12) + (s13*s23*s24*z1)/(s12^2*s123*s124*z12) - 
   (s23*s24*z1)/(s12*s123*s134*z12) + (s23*s24*z1)/(2*s12*s124*s134*z12) - 
   (3*s24*z1)/(4*s12*s234*z12) + (s24*z1)/(2*s123*s234*z12) - 
   (2*s24*z1)/(s124*s234*z12) + (s13*s24*z1)/(2*s12*s123*s234*z12) - 
   (s13*s24*z1)/(s12*s124*s234*z12) - (2*s14*s24*z1)/(s12*s124*s234*z12) + 
   (s23*s24*z1)/(2*s12*s123*s234*z12) + (s23*s24*z1)/(s12*s124*s234*z12) - 
   (s24^2*z1)/(s12^2*s124*z12) + (s13*s24^2*z1)/(s12^2*s123*s124*z12) + 
   (s24^2*z1)/(2*s12*s124*s134*z12) - (s24^2*z1)/(s12*s124*s234*z12) + 
   (2*s13*z1)/(s34^2*z12) + (4*s13^2*z1)/(s12*s34^2*z12) + 
   (2*s13^3*z1)/(s12^2*s34^2*z12) + (s12*s13*z1)/(s134*s34^2*z12) + 
   (2*s13^2*z1)/(s134*s34^2*z12) + (s13^3*z1)/(s12*s134*s34^2*z12) + 
   (2*s13*s14*z1)/(s12*s34^2*z12) + (2*s13^2*s14*z1)/(s12^2*s34^2*z12) + 
   (s13*s14*z1)/(s134*s34^2*z12) + (s13^2*s14*z1)/(s12*s134*s34^2*z12) + 
   (s23*z1)/(s34^2*z12) + (7*s13*s23*z1)/(s12*s34^2*z12) + 
   (6*s13^2*s23*z1)/(s12^2*s34^2*z12) + (9*s13*s23*z1)/(4*s134*s34^2*z12) + 
   (9*s13^2*s23*z1)/(4*s12*s134*s34^2*z12) + (3*s13*s14*s23*z1)/
    (s12^2*s34^2*z12) - (3*s14*s23*z1)/(4*s134*s34^2*z12) + 
   (s13*s14*s23*z1)/(2*s12*s134*s34^2*z12) - 
   (s14^2*s23*z1)/(s12^2*s34^2*z12) - (3*s14^2*s23*z1)/
    (4*s12*s134*s34^2*z12) + (3*s23^2*z1)/(s12*s34^2*z12) + 
   (6*s13*s23^2*z1)/(s12^2*s34^2*z12) + (s23^2*z1)/(4*s134*s34^2*z12) + 
   (3*s13*s23^2*z1)/(2*s12*s134*s34^2*z12) + 
   (s14*s23^2*z1)/(s12^2*s34^2*z12) - (s14*s23^2*z1)/(2*s12*s134*s34^2*z12) + 
   (2*s23^3*z1)/(s12^2*s34^2*z12) + (s23^3*z1)/(4*s12*s134*s34^2*z12) + 
   (s12*s23*z1)/(s234*s34^2*z12) + (9*s13*s23*z1)/(4*s234*s34^2*z12) + 
   (5*s13^2*s23*z1)/(4*s12*s234*s34^2*z12) + 
   (5*s14*s23*z1)/(4*s234*s34^2*z12) + (3*s13*s14*s23*z1)/
    (2*s12*s234*s34^2*z12) + (s14^2*s23*z1)/(4*s12*s234*s34^2*z12) + 
   (9*s23^2*z1)/(4*s234*s34^2*z12) + (5*s13*s23^2*z1)/
    (2*s12*s234*s34^2*z12) + (3*s14*s23^2*z1)/(2*s12*s234*s34^2*z12) + 
   (5*s23^3*z1)/(4*s12*s234*s34^2*z12) + (3*s13*s24*z1)/(s12*s34^2*z12) + 
   (3*s13^2*s24*z1)/(s12^2*s34^2*z12) + (3*s13*s24*z1)/(2*s134*s34^2*z12) + 
   (3*s13^2*s24*z1)/(2*s12*s134*s34^2*z12) + (s13*s14*s24*z1)/
    (s12^2*s34^2*z12) + (s13*s14*s24*z1)/(2*s12*s134*s34^2*z12) + 
   (s23*s24*z1)/(s12*s34^2*z12) + (5*s13*s23*s24*z1)/(s12^2*s34^2*z12) - 
   (s23*s24*z1)/(4*s134*s34^2*z12) + (3*s13*s23*s24*z1)/
    (2*s12*s134*s34^2*z12) - (s14*s23*s24*z1)/(s12^2*s34^2*z12) - 
   (s14*s23*s24*z1)/(s12*s134*s34^2*z12) + (2*s23^2*s24*z1)/
    (s12^2*s34^2*z12) - (s13*s24*z1)/(2*s234*s34^2*z12) - 
   (s13^2*s24*z1)/(2*s12*s234*s34^2*z12) - (s13*s14*s24*z1)/
    (2*s12*s234*s34^2*z12) + (3*s23*s24*z1)/(4*s234*s34^2*z12) + 
   (s13*s23*s24*z1)/(2*s12*s234*s34^2*z12) + 
   (s23^2*s24*z1)/(s12*s234*s34^2*z12) + (s13*s24^2*z1)/(s12^2*s34^2*z12) + 
   (s13*s24^2*z1)/(2*s12*s134*s34^2*z12) - 
   (s23*s24^2*z1)/(4*s12*s134*s34^2*z12) - 
   (s13*s24^2*z1)/(2*s12*s234*s34^2*z12) - 
   (s23*s24^2*z1)/(4*s12*s234*s34^2*z12) + z1/(s34*z12) + 
   (2*s13*z1)/(s12*s34*z12) + (2*s13*z1)/(s123*s34*z12) + 
   (s13*z1)/(s124*s34*z12) + (s13^2*z1)/(s12^2*s34*z12) + 
   (4*s13^2*z1)/(s12*s123*s34*z12) + (s13^2*z1)/(s12*s124*s34*z12) + 
   (2*s13^3*z1)/(s12^2*s123*s34*z12) + (s13*z1)/(4*s134*s34*z12) + 
   (2*s12*s13*z1)/(s123*s134*s34*z12) - (s12*s13*z1)/(s124*s134*s34*z12) + 
   (s13^2*z1)/(4*s12*s134*s34*z12) + (4*s13^2*z1)/(s123*s134*s34*z12) - 
   (s13^2*z1)/(s124*s134*s34*z12) + (2*s13^3*z1)/(s12*s123*s134*s34*z12) - 
   (2*s13*s14*z1)/(s12^2*s34*z12) + (5*s13*s14*z1)/(2*s12*s123*s34*z12) + 
   (3*s13*s14*z1)/(2*s12*s124*s34*z12) + (5*s13^2*s14*z1)/
    (2*s12^2*s123*s34*z12) + (s13^2*s14*z1)/(2*s12^2*s124*s34*z12) - 
   (3*s14*z1)/(4*s134*s34*z12) - (3*s13*s14*z1)/(2*s12*s134*s34*z12) + 
   (2*s13*s14*z1)/(s123*s134*s34*z12) - (2*s13*s14*z1)/(s124*s134*s34*z12) + 
   (2*s13^2*s14*z1)/(s12*s123*s134*s34*z12) - 
   (s13^2*s14*z1)/(s12*s124*s134*s34*z12) - (s14^2*z1)/(s12^2*s34*z12) + 
   (s13*s14^2*z1)/(2*s12^2*s123*s34*z12) + 
   (s13*s14^2*z1)/(2*s12^2*s124*s34*z12) - 
   (3*s14^2*z1)/(4*s12*s134*s34*z12) - (s13*s14^2*z1)/
    (s12*s124*s134*s34*z12) + (s23*z1)/(s123*s34*z12) + 
   (s13*s23*z1)/(s12^2*s34*z12) + (6*s13*s23*z1)/(s12*s123*s34*z12) + 
   (s13*s23*z1)/(s12*s124*s34*z12) + (5*s13^2*s23*z1)/(s12^2*s123*s34*z12) - 
   (3*s23*z1)/(4*s134*s34*z12) - (s13*s23*z1)/(4*s12*s134*s34*z12) + 
   (4*s13*s23*z1)/(s123*s134*s34*z12) - (s13*s23*z1)/(s124*s134*s34*z12) + 
   (4*s13^2*s23*z1)/(s12*s123*s134*s34*z12) - 
   (4*s14*s23*z1)/(s12^2*s34*z12) + (s14*s23*z1)/(2*s12*s123*s34*z12) + 
   (s14*s23*z1)/(2*s12*s124*s34*z12) + (3*s13*s14*s23*z1)/
    (s12^2*s123*s34*z12) + (s13*s14*s23*z1)/(s12^2*s124*s34*z12) - 
   (9*s14*s23*z1)/(4*s12*s134*s34*z12) + (2*s13*s14*s23*z1)/
    (s12*s123*s134*s34*z12) - (s13*s14*s23*z1)/(s12*s124*s134*s34*z12) - 
   (s14^2*s23*z1)/(2*s12^2*s123*s34*z12) + 
   (s14^2*s23*z1)/(2*s12^2*s124*s34*z12) + (2*s23^2*z1)/(s12*s123*s34*z12) + 
   (4*s13*s23^2*z1)/(s12^2*s123*s34*z12) - (s23^2*z1)/(2*s12*s134*s34*z12) + 
   (2*s13*s23^2*z1)/(s12*s123*s134*s34*z12) + 
   (s14*s23^2*z1)/(2*s12^2*s123*s34*z12) + 
   (s14*s23^2*z1)/(2*s12^2*s124*s34*z12) + (s23^3*z1)/(s12^2*s123*s34*z12) - 
   (s13*z1)/(4*s234*s34*z12) - (s13^2*z1)/(4*s12*s234*s34*z12) - 
   (s14*z1)/(4*s234*s34*z12) - (s13*s14*z1)/(2*s12*s234*s34*z12) - 
   (s14^2*z1)/(4*s12*s234*s34*z12) + (s23*z1)/(4*s234*s34*z12) - 
   (s12*s23*z1)/(s123*s234*s34*z12) + (2*s12*s23*z1)/(s124*s234*s34*z12) + 
   (s13*s23*z1)/(4*s12*s234*s34*z12) - (2*s13*s23*z1)/(s123*s234*s34*z12) + 
   (2*s13*s23*z1)/(s124*s234*s34*z12) - (s13^2*s23*z1)/
    (s12*s123*s234*s34*z12) - (3*s14*s23*z1)/(4*s12*s234*s34*z12) - 
   (s14*s23*z1)/(s123*s234*s34*z12) + (4*s14*s23*z1)/(s124*s234*s34*z12) - 
   (s13*s14*s23*z1)/(s12*s123*s234*s34*z12) + (2*s13*s14*s23*z1)/
    (s12*s124*s234*s34*z12) + (2*s14^2*s23*z1)/(s12*s124*s234*s34*z12) + 
   (s23^2*z1)/(2*s12*s234*s34*z12) - (2*s23^2*z1)/(s123*s234*s34*z12) + 
   (2*s23^2*z1)/(s124*s234*s34*z12) - (2*s13*s23^2*z1)/
    (s12*s123*s234*s34*z12) - (s14*s23^2*z1)/(s12*s123*s234*s34*z12) + 
   (2*s14*s23^2*z1)/(s12*s124*s234*s34*z12) - 
   (s23^3*z1)/(s12*s123*s234*s34*z12) - (s24*z1)/(s12*s34*z12) - 
   (2*s13*s24*z1)/(s12^2*s34*z12) + (3*s13*s24*z1)/(s12*s123*s34*z12) + 
   (2*s13*s24*z1)/(s12*s124*s34*z12) + (3*s13^2*s24*z1)/
    (s12^2*s123*s34*z12) + (s13^2*s24*z1)/(s12^2*s124*s34*z12) - 
   (3*s24*z1)/(4*s134*s34*z12) - (s13*s24*z1)/(s12*s134*s34*z12) + 
   (2*s13*s24*z1)/(s123*s134*s34*z12) - (2*s13*s24*z1)/(s124*s134*s34*z12) + 
   (2*s13^2*s24*z1)/(s12*s123*s134*s34*z12) - 
   (s13^2*s24*z1)/(s12*s124*s134*s34*z12) - (3*s14*s24*z1)/(s12^2*s34*z12) + 
   (3*s13*s14*s24*z1)/(2*s12^2*s123*s34*z12) + 
   (3*s13*s14*s24*z1)/(2*s12^2*s124*s34*z12) - 
   (3*s14*s24*z1)/(2*s12*s134*s34*z12) - (2*s13*s14*s24*z1)/
    (s12*s124*s134*s34*z12) - (4*s23*s24*z1)/(s12^2*s34*z12) + 
   (s23*s24*z1)/(s12*s123*s34*z12) + (s23*s24*z1)/(s12*s124*s34*z12) + 
   (4*s13*s23*s24*z1)/(s12^2*s123*s34*z12) + (2*s13*s23*s24*z1)/
    (s12^2*s124*s34*z12) - (7*s23*s24*z1)/(4*s12*s134*s34*z12) + 
   (2*s13*s23*s24*z1)/(s12*s123*s134*s34*z12) - 
   (s13*s23*s24*z1)/(s12*s124*s134*s34*z12) - 
   (s14*s23*s24*z1)/(2*s12^2*s123*s34*z12) + (3*s14*s23*s24*z1)/
    (2*s12^2*s124*s34*z12) + (s23^2*s24*z1)/(s12^2*s123*s34*z12) + 
   (s23^2*s24*z1)/(s12^2*s124*s34*z12) - (3*s24*z1)/(4*s234*s34*z12) - 
   (3*s13*s24*z1)/(2*s12*s234*s34*z12) - (s14*s24*z1)/(s12*s234*s34*z12) - 
   (7*s23*s24*z1)/(4*s12*s234*s34*z12) - (s23*s24*z1)/(s123*s234*s34*z12) + 
   (4*s23*s24*z1)/(s124*s234*s34*z12) - (s13*s23*s24*z1)/
    (s12*s123*s234*s34*z12) + (2*s13*s23*s24*z1)/(s12*s124*s234*s34*z12) + 
   (4*s14*s23*s24*z1)/(s12*s124*s234*s34*z12) - 
   (s23^2*s24*z1)/(s12*s123*s234*s34*z12) + (2*s23^2*s24*z1)/
    (s12*s124*s234*s34*z12) - (2*s24^2*z1)/(s12^2*s34*z12) + 
   (s13*s24^2*z1)/(s12^2*s123*s34*z12) + (s13*s24^2*z1)/
    (s12^2*s124*s34*z12) - (3*s24^2*z1)/(4*s12*s134*s34*z12) - 
   (s13*s24^2*z1)/(s12*s124*s134*s34*z12) + 
   (s23*s24^2*z1)/(s12^2*s124*s34*z12) - (3*s24^2*z1)/(4*s12*s234*s34*z12) + 
   (2*s23*s24^2*z1)/(s12*s124*s234*s34*z12) - 
   (s13*s34*z1)/(2*s12^2*s123*z12) + (s13*s34*z1)/(s12*s123*s124*z12) - 
   (s34*z1)/(s123*s134*z12) + (s34*z1)/(2*s124*s134*z12) - 
   (s13*s34*z1)/(s12*s123*s134*z12) - (s14*s34*z1)/(2*s12^2*s124*z12) + 
   (s13*s14*s34*z1)/(s12^2*s123*s124*z12) + 
   (s14*s34*z1)/(2*s12*s124*s134*z12) - (s23*s34*z1)/(s12^2*s123*z12) - 
   (s23*s34*z1)/(s12*s123*s134*z12) + (s34*z1)/(2*s123*s234*z12) - 
   (s34*z1)/(s124*s234*z12) + (s13*s34*z1)/(2*s12*s123*s234*z12) - 
   (s14*s34*z1)/(s12*s124*s234*z12) + (s23*s34*z1)/(2*s12*s123*s234*z12) - 
   (s24*s34*z1)/(s12^2*s124*z12) + (s13*s24*s34*z1)/(s12^2*s123*s124*z12) + 
   (s24*s34*z1)/(2*s12*s124*s134*z12) - (s24*s34*z1)/(s12*s124*s234*z12) + 
   (z1*z2)/(s123*z12^2) + (z1*z2)/(s124*z12^2) + 
   (2*s13*z1*z2)/(s12^2*z12^2) + (s13*z1*z2)/(s12*s123*z12^2) + 
   (2*s14*z1*z2)/(s12^2*z12^2) + (s14*z1*z2)/(s12*s123*z12^2) + 
   (2*s14*z1*z2)/(s12*s124*z12^2) + (s13*s14*z1*z2)/(s12^2*s123*z12^2) + 
   (s14^2*z1*z2)/(s12^2*s124*z12^2) + (2*s23*z1*z2)/(s12^2*z12^2) + 
   (s23*z1*z2)/(s12*s123*z12^2) + (s14*s23*z1*z2)/(s12^2*s123*z12^2) + 
   (2*s24*z1*z2)/(s12^2*z12^2) + (s24*z1*z2)/(s12*s123*z12^2) + 
   (2*s24*z1*z2)/(s12*s124*z12^2) + (s13*s24*z1*z2)/(s12^2*s123*z12^2) + 
   (2*s14*s24*z1*z2)/(s12^2*s124*z12^2) + (s23*s24*z1*z2)/
    (s12^2*s123*z12^2) + (s24^2*z1*z2)/(s12^2*s124*z12^2) - 
   (2*s13*z1*z2)/(s34^2*z12^2) - (4*s13^2*z1*z2)/(s12*s34^2*z12^2) - 
   (2*s13^3*z1*z2)/(s12^2*s34^2*z12^2) - (2*s13*s14*z1*z2)/
    (s12*s34^2*z12^2) - (2*s13^2*s14*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*s23*z1*z2)/(s34^2*z12^2) - (8*s13*s23*z1*z2)/(s12*s34^2*z12^2) - 
   (6*s13^2*s23*z1*z2)/(s12^2*s34^2*z12^2) - (2*s14*s23*z1*z2)/
    (s12*s34^2*z12^2) - (4*s13*s14*s23*z1*z2)/(s12^2*s34^2*z12^2) - 
   (4*s23^2*z1*z2)/(s12*s34^2*z12^2) - (6*s13*s23^2*z1*z2)/
    (s12^2*s34^2*z12^2) - (2*s14*s23^2*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*s23^3*z1*z2)/(s12^2*s34^2*z12^2) - (2*s13*s24*z1*z2)/
    (s12*s34^2*z12^2) - (2*s13^2*s24*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*s23*s24*z1*z2)/(s12*s34^2*z12^2) - (4*s13*s23*s24*z1*z2)/
    (s12^2*s34^2*z12^2) - (2*s23^2*s24*z1*z2)/(s12^2*s34^2*z12^2) - 
   (s13*z1*z2)/(s123*s34*z12^2) - (s13*z1*z2)/(s124*s34*z12^2) - 
   (2*s13^2*z1*z2)/(s12*s123*s34*z12^2) - 
   (s13^2*z1*z2)/(s12*s124*s34*z12^2) - (s13^3*z1*z2)/
    (s12^2*s123*s34*z12^2) + (2*s14*z1*z2)/(s12*s34*z12^2) + 
   (4*s13*s14*z1*z2)/(s12^2*s34*z12^2) - (s13*s14*z1*z2)/
    (s12*s123*s34*z12^2) - (2*s13*s14*z1*z2)/(s12*s124*s34*z12^2) - 
   (s13^2*s14*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s13^2*s14*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (2*s14^2*z1*z2)/(s12^2*s34*z12^2) - (s13*s14^2*z1*z2)/
    (s12^2*s124*s34*z12^2) - (s23*z1*z2)/(s123*s34*z12^2) - 
   (s23*z1*z2)/(s124*s34*z12^2) - (4*s13*s23*z1*z2)/(s12*s123*s34*z12^2) - 
   (2*s13*s23*z1*z2)/(s12*s124*s34*z12^2) - (3*s13^2*s23*z1*z2)/
    (s12^2*s123*s34*z12^2) + (4*s14*s23*z1*z2)/(s12^2*s34*z12^2) - 
   (s14*s23*z1*z2)/(s12*s123*s34*z12^2) - (2*s14*s23*z1*z2)/
    (s12*s124*s34*z12^2) - (2*s13*s14*s23*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s13*s14*s23*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (s14^2*s23*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (2*s23^2*z1*z2)/(s12*s123*s34*z12^2) - 
   (s23^2*z1*z2)/(s12*s124*s34*z12^2) - (3*s13*s23^2*z1*z2)/
    (s12^2*s123*s34*z12^2) - (s14*s23^2*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s14*s23^2*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (s23^3*z1*z2)/(s12^2*s123*s34*z12^2) + (2*s24*z1*z2)/(s12*s34*z12^2) + 
   (4*s13*s24*z1*z2)/(s12^2*s34*z12^2) - (s13*s24*z1*z2)/
    (s12*s123*s34*z12^2) - (2*s13*s24*z1*z2)/(s12*s124*s34*z12^2) - 
   (s13^2*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s13^2*s24*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (4*s14*s24*z1*z2)/(s12^2*s34*z12^2) - (2*s13*s14*s24*z1*z2)/
    (s12^2*s124*s34*z12^2) + (4*s23*s24*z1*z2)/(s12^2*s34*z12^2) - 
   (s23*s24*z1*z2)/(s12*s123*s34*z12^2) - (2*s23*s24*z1*z2)/
    (s12*s124*s34*z12^2) - (2*s13*s23*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s13*s23*s24*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (2*s14*s23*s24*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (s23^2*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s23^2*s24*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (2*s24^2*z1*z2)/(s12^2*s34*z12^2) - (s13*s24^2*z1*z2)/
    (s12^2*s124*s34*z12^2) - (s23*s24^2*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (s34*z1*z2)/(s12*s123*z12^2) + (s34*z1*z2)/(s12*s124*z12^2) + 
   (s13*s34*z1*z2)/(s12^2*s123*z12^2) + (s14*s34*z1*z2)/(s12^2*s124*z12^2) + 
   (s23*s34*z1*z2)/(s12^2*s123*z12^2) + (s24*s34*z1*z2)/(s12^2*s124*z12^2) - 
   (s13*z2)/(s12^2*z12) - (3*s13*z2)/(2*s12*s123*z12) - 
   (s13*z2)/(s12*s124*z12) - (s13*z2)/(s123*s124*z12) - 
   (3*s13^2*z2)/(2*s12^2*s123*z12) - (s13^2*z2)/(s12*s123*s124*z12) - 
   (s13*z2)/(2*s12*s134*z12) - (s14*z2)/(s12^2*z12) - 
   (s14*z2)/(2*s12*s124*z12) - (s13*s14*z2)/(s12^2*s123*z12) - 
   (2*s13*s14*z2)/(s12*s123*s124*z12) - (s13^2*s14*z2)/
    (s12^2*s123*s124*z12) - (s14*z2)/(2*s12*s134*z12) - 
   (s14^2*z2)/(2*s12^2*s124*z12) - (s13*s14^2*z2)/(s12^2*s123*s124*z12) - 
   (3*s13*s23*z2)/(2*s12^2*s123*z12) - (s13*s23*z2)/(s12*s123*s124*z12) + 
   (s14*s23*z2)/(2*s12^2*s123*z12) - (s13*s14*s23*z2)/(s12^2*s123*s124*z12) - 
   (3*s13*s24*z2)/(2*s12^2*s123*z12) - (2*s13*s24*z2)/(s12*s123*s124*z12) - 
   (s13^2*s24*z2)/(s12^2*s123*s124*z12) - (s14*s24*z2)/(2*s12^2*s124*z12) - 
   (2*s13*s14*s24*z2)/(s12^2*s123*s124*z12) - 
   (s13*s23*s24*z2)/(s12^2*s123*s124*z12) - 
   (s13*s24^2*z2)/(s12^2*s123*s124*z12) - (s13*z2)/(s34^2*z12) - 
   (s13^2*z2)/(s12*s34^2*z12) + (s13^2*z2)/(4*s134*s34^2*z12) + 
   (s13^3*z2)/(4*s12*s134*s34^2*z12) - (s13*s14*z2)/(s12*s34^2*z12) - 
   (s13*s14*z2)/(4*s134*s34^2*z12) - (s13*s14^2*z2)/(4*s12*s134*s34^2*z12) - 
   (s13*s23*z2)/(s12*s34^2*z12) + (s13*s23*z2)/(4*s134*s34^2*z12) + 
   (s13^2*s23*z2)/(2*s12*s134*s34^2*z12) + (s14*s23*z2)/(s12*s34^2*z12) + 
   (s13*s14*s23*z2)/(s12^2*s34^2*z12) + (s14^2*s23*z2)/(s12^2*s34^2*z12) + 
   (s13*s23^2*z2)/(4*s12*s134*s34^2*z12) + (s14*s23^2*z2)/(s12^2*s34^2*z12) + 
   (s13^2*z2)/(4*s234*s34^2*z12) + (s13^3*z2)/(4*s12*s234*s34^2*z12) - 
   (s13*s14*z2)/(4*s234*s34^2*z12) - (s13*s14^2*z2)/(4*s12*s234*s34^2*z12) + 
   (s13*s23*z2)/(4*s234*s34^2*z12) + (s13^2*s23*z2)/(2*s12*s234*s34^2*z12) + 
   (s13*s23^2*z2)/(4*s12*s234*s34^2*z12) - (2*s13*s24*z2)/(s12*s34^2*z12) - 
   (s13^2*s24*z2)/(s12^2*s34^2*z12) - (s13*s24*z2)/(4*s134*s34^2*z12) - 
   (s13*s14*s24*z2)/(s12^2*s34^2*z12) - (s13*s14*s24*z2)/
    (2*s12*s134*s34^2*z12) - (s13*s23*s24*z2)/(s12^2*s34^2*z12) + 
   (s14*s23*s24*z2)/(s12^2*s34^2*z12) - (s13*s24*z2)/(4*s234*s34^2*z12) - 
   (s13*s14*s24*z2)/(2*s12*s234*s34^2*z12) - 
   (s13*s24^2*z2)/(s12^2*s34^2*z12) - (s13*s24^2*z2)/(4*s12*s134*s34^2*z12) - 
   (s13*s24^2*z2)/(4*s12*s234*s34^2*z12) - (2*s13*z2)/(s12*s34*z12) - 
   (s13*z2)/(s123*s34*z12) - (s13*z2)/(s124*s34*z12) - 
   (s13^2*z2)/(s12^2*s34*z12) - (2*s13^2*z2)/(s12*s123*s34*z12) - 
   (s13^2*z2)/(s12*s124*s34*z12) - (s13^3*z2)/(s12^2*s123*s34*z12) - 
   (s13*z2)/(2*s134*s34*z12) - (s13^2*z2)/(4*s12*s134*s34*z12) - 
   (s14*z2)/(s12*s34*z12) - (2*s13*s14*z2)/(s12^2*s34*z12) - 
   (3*s13*s14*z2)/(2*s12*s123*s34*z12) - (s13*s14*z2)/(2*s12*s124*s34*z12) - 
   (3*s13^2*s14*z2)/(2*s12^2*s123*s34*z12) + 
   (s13^2*s14*z2)/(2*s12^2*s124*s34*z12) - (s14*z2)/(2*s134*s34*z12) - 
   (5*s13*s14*z2)/(4*s12*s134*s34*z12) - (s14^2*z2)/(s12^2*s34*z12) - 
   (s13*s14^2*z2)/(2*s12^2*s123*s34*z12) + 
   (s13*s14^2*z2)/(2*s12^2*s124*s34*z12) - (s14^2*z2)/(2*s12*s134*s34*z12) - 
   (s13*s23*z2)/(s12^2*s34*z12) - (2*s13*s23*z2)/(s12*s123*s34*z12) - 
   (s13*s23*z2)/(s12*s124*s34*z12) - (2*s13^2*s23*z2)/(s12^2*s123*s34*z12) - 
   (s13*s23*z2)/(4*s12*s134*s34*z12) + (s14*s23*z2)/(2*s12*s123*s34*z12) + 
   (s14*s23*z2)/(2*s12*s124*s34*z12) - (s13*s14*s23*z2)/
    (s12^2*s123*s34*z12) + (s13*s14*s23*z2)/(s12^2*s124*s34*z12) - 
   (s14*s23*z2)/(2*s12*s134*s34*z12) + (s14^2*s23*z2)/
    (2*s12^2*s123*s34*z12) + (s14^2*s23*z2)/(2*s12^2*s124*s34*z12) - 
   (s13*s23^2*z2)/(s12^2*s123*s34*z12) + (s14*s23^2*z2)/
    (2*s12^2*s123*s34*z12) + (s14*s23^2*z2)/(2*s12^2*s124*s34*z12) + 
   (s13^2*z2)/(4*s12*s234*s34*z12) - (s13*s14*z2)/(4*s12*s234*s34*z12) + 
   (s13*s23*z2)/(4*s12*s234*s34*z12) - (2*s13*s24*z2)/(s12^2*s34*z12) - 
   (2*s13*s24*z2)/(s12*s123*s34*z12) - (s13*s24*z2)/(s12*s124*s34*z12) - 
   (2*s13^2*s24*z2)/(s12^2*s123*s34*z12) - 
   (3*s13*s24*z2)/(4*s12*s134*s34*z12) - (s14*s24*z2)/(s12^2*s34*z12) - 
   (3*s13*s14*s24*z2)/(2*s12^2*s123*s34*z12) + 
   (s13*s14*s24*z2)/(2*s12^2*s124*s34*z12) - 
   (s14*s24*z2)/(2*s12*s134*s34*z12) - (2*s13*s23*s24*z2)/
    (s12^2*s123*s34*z12) + (s14*s23*s24*z2)/(2*s12^2*s123*s34*z12) + 
   (s14*s23*s24*z2)/(2*s12^2*s124*s34*z12) - 
   (s13*s24*z2)/(4*s12*s234*s34*z12) - (s13*s24^2*z2)/(s12^2*s123*s34*z12) - 
   (s13*s34*z2)/(2*s12^2*s123*z12) - (s13*s34*z2)/(s12*s123*s124*z12) - 
   (s14*s34*z2)/(2*s12^2*s124*z12) - (s13*s14*s34*z2)/(s12^2*s123*s124*z12) - 
   (s13*s24*s34*z2)/(s12^2*s123*s124*z12) + z3/(s12*z12) + 
   (3*z3)/(2*s123*z12) + z3/(s124*z12) + (s12*z3)/(s123*s124*z12) + 
   (3*s13*z3)/(2*s12*s123*z12) + (s13*z3)/(s123*s124*z12) + z3/(2*s134*z12) + 
   (3*s14*z3)/(2*s12*s123*z12) + (2*s14*z3)/(s123*s124*z12) + 
   (s13*s14*z3)/(s12*s123*s124*z12) - (s14*z3)/(s123*s134*z12) + 
   (s14*z3)/(2*s124*s134*z12) - (s13*s14*z3)/(s12*s123*s134*z12) + 
   (s14^2*z3)/(s12*s123*s124*z12) + (s14^2*z3)/(2*s12*s124*s134*z12) + 
   (3*s23*z3)/(2*s12*s123*z12) + (s23*z3)/(s123*s124*z12) + 
   (s14*s23*z3)/(s12*s123*s124*z12) - (s14*s23*z3)/(s12*s123*s134*z12) - 
   (s14*z3)/(2*s123*s234*z12) + (s14*z3)/(s124*s234*z12) - 
   (s13*s14*z3)/(2*s12*s123*s234*z12) + (s14^2*z3)/(s12*s124*s234*z12) - 
   (s14*s23*z3)/(2*s12*s123*s234*z12) + (3*s24*z3)/(2*s12*s123*z12) + 
   (2*s24*z3)/(s123*s124*z12) + (s13*s24*z3)/(s12*s123*s124*z12) + 
   (2*s14*s24*z3)/(s12*s123*s124*z12) + (s14*s24*z3)/(2*s12*s124*s134*z12) + 
   (s23*s24*z3)/(s12*s123*s124*z12) + (s14*s24*z3)/(s12*s124*s234*z12) + 
   (s24^2*z3)/(s12*s123*s124*z12) + (s12*z3)/(s34^2*z12) + 
   (s13*z3)/(s34^2*z12) - (s12*s13*z3)/(4*s134*s34^2*z12) - 
   (s13^2*z3)/(4*s134*s34^2*z12) + (2*s14*z3)/(s34^2*z12) + 
   (s13*s14*z3)/(s12*s34^2*z12) - (s12*s14*z3)/(4*s134*s34^2*z12) - 
   (5*s13*s14*z3)/(4*s134*s34^2*z12) - (3*s13^2*s14*z3)/
    (4*s12*s134*s34^2*z12) + (s14^2*z3)/(s12*s34^2*z12) - 
   (s14^2*z3)/(2*s134*s34^2*z12) - (s13*s14^2*z3)/(s12*s134*s34^2*z12) - 
   (s14^3*z3)/(4*s12*s134*s34^2*z12) + (s23*z3)/(s34^2*z12) - 
   (s12*s23*z3)/(4*s134*s34^2*z12) - (s13*s23*z3)/(2*s134*s34^2*z12) + 
   (s14*s23*z3)/(s12*s34^2*z12) - (5*s14*s23*z3)/(4*s134*s34^2*z12) - 
   (3*s13*s14*s23*z3)/(2*s12*s134*s34^2*z12) - 
   (s14^2*s23*z3)/(s12*s134*s34^2*z12) - (s23^2*z3)/(4*s134*s34^2*z12) - 
   (3*s14*s23^2*z3)/(4*s12*s134*s34^2*z12) - 
   (s12*s13*z3)/(4*s234*s34^2*z12) - (s13^2*z3)/(4*s234*s34^2*z12) + 
   (3*s12*s14*z3)/(4*s234*s34^2*z12) + (5*s13*s14*z3)/(4*s234*s34^2*z12) + 
   (3*s13^2*s14*z3)/(4*s12*s234*s34^2*z12) + (s14^2*z3)/(s234*s34^2*z12) + 
   (s13*s14^2*z3)/(s12*s234*s34^2*z12) + (s14^3*z3)/(4*s12*s234*s34^2*z12) - 
   (s12*s23*z3)/(4*s234*s34^2*z12) - (s13*s23*z3)/(2*s234*s34^2*z12) + 
   (5*s14*s23*z3)/(4*s234*s34^2*z12) + (3*s13*s14*s23*z3)/
    (2*s12*s234*s34^2*z12) + (s14^2*s23*z3)/(s12*s234*s34^2*z12) - 
   (s23^2*z3)/(4*s234*s34^2*z12) + (3*s14*s23^2*z3)/(4*s12*s234*s34^2*z12) + 
   (2*s24*z3)/(s34^2*z12) + (s13*s24*z3)/(s12*s34^2*z12) + 
   (s12*s24*z3)/(4*s134*s34^2*z12) + (2*s14*s24*z3)/(s12*s34^2*z12) - 
   (s14*s24*z3)/(4*s134*s34^2*z12) - (s13*s14*s24*z3)/(s12*s134*s34^2*z12) - 
   (s14^2*s24*z3)/(2*s12*s134*s34^2*z12) + (s23*s24*z3)/(s12*s34^2*z12) - 
   (s14*s23*s24*z3)/(s12*s134*s34^2*z12) + (s12*s24*z3)/(4*s234*s34^2*z12) + 
   (5*s14*s24*z3)/(4*s234*s34^2*z12) + (s13*s14*s24*z3)/
    (s12*s234*s34^2*z12) + (s14^2*s24*z3)/(2*s12*s234*s34^2*z12) + 
   (s14*s23*s24*z3)/(s12*s234*s34^2*z12) + (s24^2*z3)/(s12*s34^2*z12) + 
   (s24^2*z3)/(4*s134*s34^2*z12) - (s14*s24^2*z3)/(4*s12*s134*s34^2*z12) + 
   (s24^2*z3)/(4*s234*s34^2*z12) + (s14*s24^2*z3)/(4*s12*s234*s34^2*z12) + 
   (2*z3)/(s34*z12) + (s12*z3)/(s123*s34*z12) + (s12*z3)/(s124*s34*z12) + 
   (s13*z3)/(s12*s34*z12) + (2*s13*z3)/(s123*s34*z12) + 
   (s13*z3)/(s124*s34*z12) + (s13^2*z3)/(s12*s123*s34*z12) + 
   (s12*z3)/(2*s134*s34*z12) + (s13*z3)/(4*s134*s34*z12) + 
   (2*s14*z3)/(s12*s34*z12) + (2*s14*z3)/(s123*s34*z12) + 
   (s14*z3)/(s124*s34*z12) + (2*s13*s14*z3)/(s12*s123*s34*z12) + 
   (s14*z3)/(4*s134*s34*z12) - (s12*s14*z3)/(s123*s134*s34*z12) + 
   (s12*s14*z3)/(2*s124*s134*s34*z12) - (3*s13*s14*z3)/(4*s12*s134*s34*z12) - 
   (2*s13*s14*z3)/(s123*s134*s34*z12) + (s13*s14*z3)/(2*s124*s134*s34*z12) - 
   (s13^2*s14*z3)/(s12*s123*s134*s34*z12) + (s14^2*z3)/(s12*s123*s34*z12) - 
   (s14^2*z3)/(4*s12*s134*s34*z12) - (s14^2*z3)/(s123*s134*s34*z12) + 
   (s14^2*z3)/(s124*s134*s34*z12) - (s13*s14^2*z3)/(s12*s123*s134*s34*z12) + 
   (s13*s14^2*z3)/(2*s12*s124*s134*s34*z12) + 
   (s14^3*z3)/(2*s12*s124*s134*s34*z12) + (s23*z3)/(s12*s34*z12) + 
   (2*s23*z3)/(s123*s34*z12) + (s23*z3)/(s124*s34*z12) + 
   (2*s13*s23*z3)/(s12*s123*s34*z12) + (s23*z3)/(4*s134*s34*z12) + 
   (2*s14*s23*z3)/(s12*s123*s34*z12) - (3*s14*s23*z3)/(4*s12*s134*s34*z12) - 
   (2*s14*s23*z3)/(s123*s134*s34*z12) + (s14*s23*z3)/(2*s124*s134*s34*z12) - 
   (2*s13*s14*s23*z3)/(s12*s123*s134*s34*z12) - 
   (s14^2*s23*z3)/(s12*s123*s134*s34*z12) + 
   (s14^2*s23*z3)/(2*s12*s124*s134*s34*z12) + (s23^2*z3)/(s12*s123*s34*z12) - 
   (s14*s23^2*z3)/(s12*s123*s134*s34*z12) - (s13*z3)/(4*s234*s34*z12) + 
   (3*s14*z3)/(4*s234*s34*z12) - (s12*s14*z3)/(2*s123*s234*s34*z12) + 
   (s12*s14*z3)/(s124*s234*s34*z12) + (3*s13*s14*z3)/(4*s12*s234*s34*z12) - 
   (s13*s14*z3)/(s123*s234*s34*z12) + (s13*s14*z3)/(s124*s234*s34*z12) - 
   (s13^2*s14*z3)/(2*s12*s123*s234*s34*z12) + 
   (s14^2*z3)/(4*s12*s234*s34*z12) - (s14^2*z3)/(2*s123*s234*s34*z12) + 
   (2*s14^2*z3)/(s124*s234*s34*z12) - (s13*s14^2*z3)/
    (2*s12*s123*s234*s34*z12) + (s13*s14^2*z3)/(s12*s124*s234*s34*z12) + 
   (s14^3*z3)/(s12*s124*s234*s34*z12) - (s23*z3)/(4*s234*s34*z12) + 
   (3*s14*s23*z3)/(4*s12*s234*s34*z12) - (s14*s23*z3)/(s123*s234*s34*z12) + 
   (s14*s23*z3)/(s124*s234*s34*z12) - (s13*s14*s23*z3)/
    (s12*s123*s234*s34*z12) - (s14^2*s23*z3)/(2*s12*s123*s234*s34*z12) + 
   (s14^2*s23*z3)/(s12*s124*s234*s34*z12) - 
   (s14*s23^2*z3)/(2*s12*s123*s234*s34*z12) + (2*s24*z3)/(s12*s34*z12) + 
   (2*s24*z3)/(s123*s34*z12) + (s24*z3)/(s124*s34*z12) + 
   (2*s13*s24*z3)/(s12*s123*s34*z12) + (3*s24*z3)/(4*s134*s34*z12) + 
   (2*s14*s24*z3)/(s12*s123*s34*z12) - (s14*s24*z3)/(4*s12*s134*s34*z12) - 
   (s14*s24*z3)/(s123*s134*s34*z12) + (s14*s24*z3)/(s124*s134*s34*z12) - 
   (s13*s14*s24*z3)/(s12*s123*s134*s34*z12) + 
   (s13*s14*s24*z3)/(2*s12*s124*s134*s34*z12) + 
   (s14^2*s24*z3)/(s12*s124*s134*s34*z12) + 
   (2*s23*s24*z3)/(s12*s123*s34*z12) - (s14*s23*s24*z3)/
    (s12*s123*s134*s34*z12) + (s14*s23*s24*z3)/(2*s12*s124*s134*s34*z12) + 
   (s24*z3)/(4*s234*s34*z12) + (s14*s24*z3)/(4*s12*s234*s34*z12) - 
   (s14*s24*z3)/(2*s123*s234*s34*z12) + (2*s14*s24*z3)/(s124*s234*s34*z12) - 
   (s13*s14*s24*z3)/(2*s12*s123*s234*s34*z12) + 
   (s13*s14*s24*z3)/(s12*s124*s234*s34*z12) + 
   (2*s14^2*s24*z3)/(s12*s124*s234*s34*z12) - 
   (s14*s23*s24*z3)/(2*s12*s123*s234*s34*z12) + 
   (s14*s23*s24*z3)/(s12*s124*s234*s34*z12) + (s24^2*z3)/(s12*s123*s34*z12) + 
   (s14*s24^2*z3)/(2*s12*s124*s134*s34*z12) + 
   (s14*s24^2*z3)/(s12*s124*s234*s34*z12) + (s34*z3)/(2*s12*s123*z12) + 
   (s34*z3)/(s123*s124*z12) + (s14*s34*z3)/(s12*s123*s124*z12) + 
   (s24*s34*z3)/(s12*s123*s124*z12) + (2*z1)/(s12*z34) + z1/(2*s123*z34) + 
   (s13*z1)/(s12^2*z34) + (s13*z1)/(4*s12*s123*z34) - 
   (s13*z1)/(4*s12*s124*z34) - (s13^2*z1)/(4*s12^2*s123*z34) - 
   (s13^2*z1)/(4*s12^2*s124*z34) + (3*z1)/(2*s134*z34) + 
   (2*s13*z1)/(s12*s134*z34) + (s14*z1)/(s12^2*z34) + 
   (s14*z1)/(4*s12*s123*z34) - (s14*z1)/(4*s12*s124*z34) - 
   (s13*s14*z1)/(2*s12^2*s123*z34) - (s13*s14*z1)/(2*s12^2*s124*z34) + 
   (2*s14*z1)/(s12*s134*z34) - (s14^2*z1)/(4*s12^2*s123*z34) - 
   (s14^2*z1)/(4*s12^2*s124*z34) + (2*s23*z1)/(s12^2*z34) + 
   (s23*z1)/(4*s12*s123*z34) + (3*s23*z1)/(4*s12*s124*z34) - 
   (5*s13*s23*z1)/(4*s12^2*s123*z34) + (5*s13*s23*z1)/(4*s12^2*s124*z34) + 
   (2*s23*z1)/(s12*s134*z34) - (s23*z1)/(s123*s134*z34) - 
   (s23*z1)/(2*s124*s134*z34) - (2*s13*s23*z1)/(s12*s123*s134*z34) - 
   (s13*s23*z1)/(s12*s124*s134*z34) - (5*s14*s23*z1)/(4*s12^2*s123*z34) + 
   (5*s14*s23*z1)/(4*s12^2*s124*z34) - (2*s14*s23*z1)/(s12*s123*s134*z34) - 
   (s14*s23*z1)/(s12*s124*s134*z34) - (s23^2*z1)/(2*s12^2*s123*z34) + 
   (s23^2*z1)/(s12^2*s124*z34) - (s23^2*z1)/(s12*s123*s134*z34) - 
   (s23^2*z1)/(2*s12*s124*s134*z34) + z1/(s234*z34) + 
   (s13*z1)/(s12*s234*z34) + (s12*z1)/(s134*s234*z34) + 
   (s13*z1)/(s134*s234*z34) + (s14*z1)/(s12*s234*z34) + 
   (s14*z1)/(s134*s234*z34) + (s23*z1)/(s12*s234*z34) + 
   (s23*z1)/(2*s123*s234*z34) + (s23*z1)/(s124*s234*z34) + 
   (s13*s23*z1)/(2*s12*s123*s234*z34) + (s13*s23*z1)/(s12*s124*s234*z34) + 
   (2*s23*z1)/(s134*s234*z34) + (s14*s23*z1)/(2*s12*s123*s234*z34) + 
   (s14*s23*z1)/(s12*s124*s234*z34) + (s23^2*z1)/(s12*s123*s234*z34) + 
   (2*s23^2*z1)/(s12*s124*s234*z34) + (2*s24*z1)/(s12^2*z34) + 
   (3*s24*z1)/(4*s12*s123*z34) + (s24*z1)/(4*s12*s124*z34) + 
   (2*s24*z1)/(s12*s134*z34) - (s23*s24*z1)/(4*s12^2*s123*z34) + 
   (5*s23*s24*z1)/(4*s12^2*s124*z34) - (s23*s24*z1)/(s12*s123*s134*z34) - 
   (s23*s24*z1)/(2*s12*s124*s134*z34) + (s24*z1)/(s12*s234*z34) + 
   (2*s24*z1)/(s134*s234*z34) + (s23*s24*z1)/(s12*s123*s234*z34) + 
   (2*s23*s24*z1)/(s12*s124*s234*z34) + (s24^2*z1)/(4*s12^2*s123*z34) + 
   (s24^2*z1)/(4*s12^2*s124*z34) + z1/(s34*z34) + (s13*z1)/(s12*s34*z34) + 
   (s12*z1)/(2*s134*s34*z34) + (3*s13*z1)/(2*s134*s34*z34) + 
   (s13^2*z1)/(s12*s134*s34*z34) + (s14*z1)/(s12*s34*z34) + 
   (3*s14*z1)/(2*s134*s34*z34) + (2*s13*s14*z1)/(s12*s134*s34*z34) + 
   (s14^2*z1)/(s12*s134*s34*z34) + (2*s23*z1)/(s12*s34*z34) + 
   (s13*s23*z1)/(s12^2*s34*z34) - (3*s13*s23*z1)/(4*s12*s123*s34*z34) + 
   (3*s13*s23*z1)/(4*s12*s124*s34*z34) - (3*s13^2*s23*z1)/
    (4*s12^2*s123*s34*z34) + (3*s13^2*s23*z1)/(4*s12^2*s124*s34*z34) + 
   (3*s23*z1)/(2*s134*s34*z34) + (2*s13*s23*z1)/(s12*s134*s34*z34) - 
   (s13*s23*z1)/(s123*s134*s34*z34) - (s13*s23*z1)/(2*s124*s134*s34*z34) - 
   (s13^2*s23*z1)/(s12*s123*s134*s34*z34) - 
   (s13^2*s23*z1)/(2*s12*s124*s134*s34*z34) + (s14*s23*z1)/(s12^2*s34*z34) - 
   (3*s14*s23*z1)/(4*s12*s123*s34*z34) + (3*s14*s23*z1)/
    (4*s12*s124*s34*z34) - (3*s13*s14*s23*z1)/(2*s12^2*s123*s34*z34) + 
   (3*s13*s14*s23*z1)/(2*s12^2*s124*s34*z34) + 
   (2*s14*s23*z1)/(s12*s134*s34*z34) - (s14*s23*z1)/(s123*s134*s34*z34) - 
   (s14*s23*z1)/(2*s124*s134*s34*z34) - (2*s13*s14*s23*z1)/
    (s12*s123*s134*s34*z34) - (s13*s14*s23*z1)/(s12*s124*s134*s34*z34) - 
   (3*s14^2*s23*z1)/(4*s12^2*s123*s34*z34) + (3*s14^2*s23*z1)/
    (4*s12^2*s124*s34*z34) - (s14^2*s23*z1)/(s12*s123*s134*s34*z34) - 
   (s14^2*s23*z1)/(2*s12*s124*s134*s34*z34) + (s23^2*z1)/(s12^2*s34*z34) - 
   (s23^2*z1)/(4*s12*s123*s34*z34) + (s23^2*z1)/(4*s12*s124*s34*z34) - 
   (s13*s23^2*z1)/(s12^2*s123*s34*z34) + (s13*s23^2*z1)/
    (s12^2*s124*s34*z34) + (s23^2*z1)/(s12*s134*s34*z34) - 
   (s13*s23^2*z1)/(s12*s123*s134*s34*z34) - 
   (s13*s23^2*z1)/(2*s12*s124*s134*s34*z34) - 
   (s14*s23^2*z1)/(s12^2*s123*s34*z34) + (s14*s23^2*z1)/
    (s12^2*s124*s34*z34) - (s14*s23^2*z1)/(s12*s123*s134*s34*z34) - 
   (s14*s23^2*z1)/(2*s12*s124*s134*s34*z34) - 
   (s23^3*z1)/(4*s12^2*s123*s34*z34) + (s23^3*z1)/(4*s12^2*s124*s34*z34) + 
   (s12*s23*z1)/(s134*s234*s34*z34) + (s13*s23*z1)/(s134*s234*s34*z34) + 
   (s14*s23*z1)/(s134*s234*s34*z34) + (s23^2*z1)/(2*s123*s234*s34*z34) + 
   (s23^2*z1)/(s124*s234*s34*z34) + (s13*s23^2*z1)/
    (2*s12*s123*s234*s34*z34) + (s13*s23^2*z1)/(s12*s124*s234*s34*z34) + 
   (s23^2*z1)/(s134*s234*s34*z34) + (s14*s23^2*z1)/
    (2*s12*s123*s234*s34*z34) + (s14*s23^2*z1)/(s12*s124*s234*s34*z34) + 
   (s23^3*z1)/(2*s12*s123*s234*s34*z34) + 
   (s23^3*z1)/(s12*s124*s234*s34*z34) + (2*s24*z1)/(s12*s34*z34) + 
   (s13*s24*z1)/(s12^2*s34*z34) + (3*s24*z1)/(2*s134*s34*z34) + 
   (2*s13*s24*z1)/(s12*s134*s34*z34) + (s14*s24*z1)/(s12^2*s34*z34) + 
   (2*s14*s24*z1)/(s12*s134*s34*z34) + (2*s23*s24*z1)/(s12^2*s34*z34) - 
   (s23*s24*z1)/(4*s12*s123*s34*z34) + (s23*s24*z1)/(4*s12*s124*s34*z34) - 
   (s13*s23*s24*z1)/(s12^2*s123*s34*z34) + (s13*s23*s24*z1)/
    (s12^2*s124*s34*z34) + (2*s23*s24*z1)/(s12*s134*s34*z34) - 
   (s13*s23*s24*z1)/(s12*s123*s134*s34*z34) - 
   (s13*s23*s24*z1)/(2*s12*s124*s134*s34*z34) - 
   (s14*s23*s24*z1)/(s12^2*s123*s34*z34) + (s14*s23*s24*z1)/
    (s12^2*s124*s34*z34) - (s14*s23*s24*z1)/(s12*s123*s134*s34*z34) - 
   (s14*s23*s24*z1)/(2*s12*s124*s134*s34*z34) - 
   (s23^2*s24*z1)/(2*s12^2*s123*s34*z34) + 
   (s23^2*s24*z1)/(2*s12^2*s124*s34*z34) + (s12*s24*z1)/(s134*s234*s34*z34) + 
   (s13*s24*z1)/(s134*s234*s34*z34) + (s14*s24*z1)/(s134*s234*s34*z34) + 
   (s23*s24*z1)/(2*s123*s234*s34*z34) + (s23*s24*z1)/(s124*s234*s34*z34) + 
   (s13*s23*s24*z1)/(2*s12*s123*s234*s34*z34) + 
   (s13*s23*s24*z1)/(s12*s124*s234*s34*z34) + 
   (2*s23*s24*z1)/(s134*s234*s34*z34) + (s14*s23*s24*z1)/
    (2*s12*s123*s234*s34*z34) + (s14*s23*s24*z1)/(s12*s124*s234*s34*z34) + 
   (s23^2*s24*z1)/(s12*s123*s234*s34*z34) + (2*s23^2*s24*z1)/
    (s12*s124*s234*s34*z34) + (s24^2*z1)/(s12^2*s34*z34) + 
   (s24^2*z1)/(s12*s134*s34*z34) - (s23*s24^2*z1)/(4*s12^2*s123*s34*z34) + 
   (s23*s24^2*z1)/(4*s12^2*s124*s34*z34) + (s24^2*z1)/(s134*s234*s34*z34) + 
   (s23*s24^2*z1)/(2*s12*s123*s234*s34*z34) + 
   (s23*s24^2*z1)/(s12*s124*s234*s34*z34) + (s34*z1)/(s12^2*z34) + 
   (s34*z1)/(2*s12*s123*z34) - (s13*s34*z1)/(4*s12^2*s123*z34) - 
   (s13*s34*z1)/(4*s12^2*s124*z34) + (s34*z1)/(s12*s134*z34) - 
   (s14*s34*z1)/(4*s12^2*s123*z34) - (s14*s34*z1)/(4*s12^2*s124*z34) - 
   (s23*s34*z1)/(4*s12^2*s123*z34) + (3*s23*s34*z1)/(4*s12^2*s124*z34) - 
   (s23*s34*z1)/(s12*s123*s134*z34) - (s23*s34*z1)/(2*s12*s124*s134*z34) + 
   (s34*z1)/(s12*s234*z34) + (s34*z1)/(s134*s234*z34) + 
   (s23*s34*z1)/(2*s12*s123*s234*z34) + (s23*s34*z1)/(s12*s124*s234*z34) + 
   (s24*s34*z1)/(4*s12^2*s123*z34) + (s24*s34*z1)/(4*s12^2*s124*z34) + 
   z1^2/(s12*z12*z34) + z1^2/(2*s123*z12*z34) + z1^2/(2*s124*z12*z34) - 
   (s13*z1^2)/(s12^2*z12*z34) + (3*s13*z1^2)/(4*s12*s123*z12*z34) + 
   (3*s13*z1^2)/(4*s12*s124*z12*z34) + (s13^2*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s13^2*z1^2)/(4*s12^2*s124*z12*z34) + z1^2/(2*s134*z12*z34) - 
   (s13*z1^2)/(2*s12*s134*z12*z34) - (s14*z1^2)/(s12^2*z12*z34) + 
   (3*s14*z1^2)/(4*s12*s123*z12*z34) + (3*s14*z1^2)/(4*s12*s124*z12*z34) + 
   (s13*s14*z1^2)/(2*s12^2*s123*z12*z34) + 
   (s13*s14*z1^2)/(2*s12^2*s124*z12*z34) - (s14*z1^2)/(2*s12*s134*z12*z34) + 
   (s14^2*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s14^2*z1^2)/(4*s12^2*s124*z12*z34) + (s23*z1^2)/(4*s12*s123*z12*z34) + 
   (5*s23*z1^2)/(4*s12*s124*z12*z34) - (s13*s23*z1^2)/
    (4*s12^2*s123*z12*z34) + (5*s13*s23*z1^2)/(4*s12^2*s124*z12*z34) - 
   (s14*s23*z1^2)/(4*s12^2*s123*z12*z34) + (5*s14*s23*z1^2)/
    (4*s12^2*s124*z12*z34) - (s23^2*z1^2)/(2*s12^2*s123*z12*z34) + 
   (s23^2*z1^2)/(s12^2*s124*z12*z34) - z1^2/(2*s234*z12*z34) - 
   (s13*z1^2)/(2*s12*s234*z12*z34) - (s14*z1^2)/(2*s12*s234*z12*z34) - 
   (s23*z1^2)/(s12*s234*z12*z34) + (3*s24*z1^2)/(4*s12*s123*z12*z34) + 
   (3*s24*z1^2)/(4*s12*s124*z12*z34) + (s13*s24*z1^2)/
    (2*s12^2*s123*z12*z34) + (s13*s24*z1^2)/(2*s12^2*s124*z12*z34) + 
   (s14*s24*z1^2)/(2*s12^2*s123*z12*z34) + 
   (s14*s24*z1^2)/(2*s12^2*s124*z12*z34) - 
   (s23*s24*z1^2)/(4*s12^2*s123*z12*z34) + (5*s23*s24*z1^2)/
    (4*s12^2*s124*z12*z34) - (s24*z1^2)/(s12*s234*z12*z34) + 
   (s24^2*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s24^2*z1^2)/(4*s12^2*s124*z12*z34) + (2*z1^2)/(s34*z12*z34) + 
   (2*s13*z1^2)/(s12*s34*z12*z34) + (s12*z1^2)/(s134*s34*z12*z34) + 
   (s13*z1^2)/(s134*s34*z12*z34) + (2*s14*z1^2)/(s12*s34*z12*z34) + 
   (s14*z1^2)/(s134*s34*z12*z34) + (3*s23*z1^2)/(s12*s34*z12*z34) + 
   (s13*s23*z1^2)/(s12^2*s34*z12*z34) - (s13*s23*z1^2)/
    (4*s12*s123*s34*z12*z34) + (s13*s23*z1^2)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s23*z1^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s23*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (3*s23*z1^2)/(2*s134*s34*z12*z34) + (s13*s23*z1^2)/
    (2*s12*s134*s34*z12*z34) + (s14*s23*z1^2)/(s12^2*s34*z12*z34) - 
   (s14*s23*z1^2)/(4*s12*s123*s34*z12*z34) + 
   (s14*s23*z1^2)/(4*s12*s124*s34*z12*z34) - (s13*s14*s23*z1^2)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s14*s23*z1^2)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s23*z1^2)/(2*s12*s134*s34*z12*z34) - 
   (s14^2*s23*z1^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s23^2*z1^2)/(s12^2*s34*z12*z34) - (s23^2*z1^2)/(4*s12*s123*s34*z12*z34) + 
   (s23^2*z1^2)/(4*s12*s124*s34*z12*z34) - (s13*s23^2*z1^2)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s23^2*z1^2)/
    (2*s12^2*s124*s34*z12*z34) + (s23^2*z1^2)/(2*s12*s134*s34*z12*z34) - 
   (s14*s23^2*z1^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23^2*z1^2)/(2*s12^2*s124*s34*z12*z34) - 
   (s23^3*z1^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s23^3*z1^2)/(4*s12^2*s124*s34*z12*z34) - 
   (s23*z1^2)/(2*s234*s34*z12*z34) - (s13*s23*z1^2)/
    (2*s12*s234*s34*z12*z34) - (s14*s23*z1^2)/(2*s12*s234*s34*z12*z34) - 
   (s23^2*z1^2)/(2*s12*s234*s34*z12*z34) + (3*s24*z1^2)/(s12*s34*z12*z34) + 
   (s13*s24*z1^2)/(s12^2*s34*z12*z34) + (3*s24*z1^2)/(2*s134*s34*z12*z34) + 
   (s13*s24*z1^2)/(2*s12*s134*s34*z12*z34) + 
   (s14*s24*z1^2)/(s12^2*s34*z12*z34) + (s14*s24*z1^2)/
    (2*s12*s134*s34*z12*z34) + (2*s23*s24*z1^2)/(s12^2*s34*z12*z34) - 
   (s23*s24*z1^2)/(4*s12*s123*s34*z12*z34) + 
   (s23*s24*z1^2)/(4*s12*s124*s34*z12*z34) - (s13*s23*s24*z1^2)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s23*s24*z1^2)/
    (2*s12^2*s124*s34*z12*z34) + (s23*s24*z1^2)/(s12*s134*s34*z12*z34) - 
   (s14*s23*s24*z1^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23*s24*z1^2)/(2*s12^2*s124*s34*z12*z34) - 
   (s23^2*s24*z1^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s23^2*s24*z1^2)/(2*s12^2*s124*s34*z12*z34) - 
   (s24*z1^2)/(2*s234*s34*z12*z34) - (s13*s24*z1^2)/
    (2*s12*s234*s34*z12*z34) - (s14*s24*z1^2)/(2*s12*s234*s34*z12*z34) - 
   (s23*s24*z1^2)/(s12*s234*s34*z12*z34) + (s24^2*z1^2)/(s12^2*s34*z12*z34) + 
   (s24^2*z1^2)/(2*s12*s134*s34*z12*z34) - (s23*s24^2*z1^2)/
    (4*s12^2*s123*s34*z12*z34) + (s23*s24^2*z1^2)/
    (4*s12^2*s124*s34*z12*z34) - (s24^2*z1^2)/(2*s12*s234*s34*z12*z34) - 
   (s34*z1^2)/(s12^2*z12*z34) + (s34*z1^2)/(2*s12*s123*z12*z34) + 
   (s34*z1^2)/(2*s12*s124*z12*z34) + (s13*s34*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s13*s34*z1^2)/(4*s12^2*s124*z12*z34) - (s34*z1^2)/(2*s12*s134*z12*z34) + 
   (s14*s34*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s14*s34*z1^2)/(4*s12^2*s124*z12*z34) - 
   (s23*s34*z1^2)/(4*s12^2*s123*z12*z34) + (3*s23*s34*z1^2)/
    (4*s12^2*s124*z12*z34) - (s34*z1^2)/(2*s12*s234*z12*z34) + 
   (s24*s34*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s24*s34*z1^2)/(4*s12^2*s124*z12*z34) + z2/(s12*z34) + z2/(2*s123*z34) - 
   (s13*z2)/(s12^2*z34) + (s13*z2)/(s12*s123*z34) - 
   (s13*z2)/(2*s12*s124*z34) + (5*s13^2*z2)/(4*s12^2*s123*z34) - 
   (5*s13^2*z2)/(4*s12^2*s124*z34) - (s13*z2)/(2*s12*s134*z34) + 
   (s13*z2)/(s123*s134*z34) + (s13*z2)/(2*s124*s134*z34) + 
   (2*s13^2*z2)/(s12*s123*s134*z34) + (s13^2*z2)/(s12*s124*s134*z34) - 
   (s14*z2)/(s12^2*z34) + (s14*z2)/(2*s12*s123*z34) + 
   (5*s13*s14*z2)/(4*s12^2*s123*z34) - (5*s13*s14*z2)/(4*s12^2*s124*z34) - 
   (s14*z2)/(2*s12*s134*z34) + (2*s13*s14*z2)/(s12*s123*s134*z34) + 
   (s13*s14*z2)/(s12*s124*s134*z34) + (s23*z2)/(2*s12*s123*z34) + 
   (3*s13*s23*z2)/(4*s12^2*s123*z34) - (3*s13*s23*z2)/(4*s12^2*s124*z34) + 
   (s13*s23*z2)/(s12*s123*s134*z34) + (s13*s23*z2)/(2*s12*s124*s134*z34) + 
   z2/(2*s234*z34) - (s13*z2)/(2*s12*s234*z34) - (s13*z2)/(2*s123*s234*z34) - 
   (s13*z2)/(s124*s234*z34) - (s13^2*z2)/(2*s12*s123*s234*z34) - 
   (s13^2*z2)/(s12*s124*s234*z34) - (s14*z2)/(2*s12*s234*z34) - 
   (s13*s14*z2)/(2*s12*s123*s234*z34) - (s13*s14*z2)/(s12*s124*s234*z34) - 
   (s13*s23*z2)/(s12*s123*s234*z34) - (2*s13*s23*z2)/(s12*s124*s234*z34) + 
   (s24*z2)/(2*s12*s123*z34) + (3*s13*s24*z2)/(4*s12^2*s123*z34) - 
   (3*s13*s24*z2)/(4*s12^2*s124*z34) + (s13*s24*z2)/(s12*s123*s134*z34) + 
   (s13*s24*z2)/(2*s12*s124*s134*z34) - (s13*s24*z2)/(s12*s123*s234*z34) - 
   (2*s13*s24*z2)/(s12*s124*s234*z34) + z2/(s34*z34) - 
   (s13^2*z2)/(s12^2*s34*z34) + (3*s13^2*z2)/(4*s12*s123*s34*z34) - 
   (3*s13^2*z2)/(4*s12*s124*s34*z34) + (3*s13^3*z2)/(4*s12^2*s123*s34*z34) - 
   (3*s13^3*z2)/(4*s12^2*s124*s34*z34) - (s13*z2)/(2*s134*s34*z34) - 
   (s13^2*z2)/(2*s12*s134*s34*z34) + (s13^2*z2)/(s123*s134*s34*z34) + 
   (s13^2*z2)/(2*s124*s134*s34*z34) + (s13^3*z2)/(s12*s123*s134*s34*z34) + 
   (s13^3*z2)/(2*s12*s124*s134*s34*z34) - (2*s13*s14*z2)/(s12^2*s34*z34) + 
   (3*s13*s14*z2)/(4*s12*s123*s34*z34) - (3*s13*s14*z2)/
    (4*s12*s124*s34*z34) + (3*s13^2*s14*z2)/(2*s12^2*s123*s34*z34) - 
   (3*s13^2*s14*z2)/(2*s12^2*s124*s34*z34) - (s14*z2)/(2*s134*s34*z34) - 
   (s13*s14*z2)/(s12*s134*s34*z34) + (s13*s14*z2)/(s123*s134*s34*z34) + 
   (s13*s14*z2)/(2*s124*s134*s34*z34) + (2*s13^2*s14*z2)/
    (s12*s123*s134*s34*z34) + (s13^2*s14*z2)/(s12*s124*s134*s34*z34) - 
   (s14^2*z2)/(s12^2*s34*z34) + (3*s13*s14^2*z2)/(4*s12^2*s123*s34*z34) - 
   (3*s13*s14^2*z2)/(4*s12^2*s124*s34*z34) - 
   (s14^2*z2)/(2*s12*s134*s34*z34) + (s13*s14^2*z2)/(s12*s123*s134*s34*z34) + 
   (s13*s14^2*z2)/(2*s12*s124*s134*s34*z34) + (s23*z2)/(s12*s34*z34) - 
   (s13*s23*z2)/(s12^2*s34*z34) + (s13*s23*z2)/(4*s12*s123*s34*z34) - 
   (s13*s23*z2)/(4*s12*s124*s34*z34) + (s13^2*s23*z2)/(s12^2*s123*s34*z34) - 
   (s13^2*s23*z2)/(s12^2*s124*s34*z34) - (s13*s23*z2)/(2*s12*s134*s34*z34) + 
   (s13^2*s23*z2)/(s12*s123*s134*s34*z34) + 
   (s13^2*s23*z2)/(2*s12*s124*s134*s34*z34) - (s14*s23*z2)/(s12^2*s34*z34) + 
   (s13*s14*s23*z2)/(s12^2*s123*s34*z34) - (s13*s14*s23*z2)/
    (s12^2*s124*s34*z34) - (s14*s23*z2)/(2*s12*s134*s34*z34) + 
   (s13*s14*s23*z2)/(s12*s123*s134*s34*z34) + 
   (s13*s14*s23*z2)/(2*s12*s124*s134*s34*z34) + 
   (s13*s23^2*z2)/(4*s12^2*s123*s34*z34) - 
   (s13*s23^2*z2)/(4*s12^2*s124*s34*z34) + (s12*z2)/(2*s234*s34*z34) - 
   (s13^2*z2)/(2*s12*s234*s34*z34) - (s13*s14*z2)/(s12*s234*s34*z34) - 
   (s14^2*z2)/(2*s12*s234*s34*z34) + (s23*z2)/(2*s234*s34*z34) - 
   (s13*s23*z2)/(2*s12*s234*s34*z34) - (s13*s23*z2)/(2*s123*s234*s34*z34) - 
   (s13*s23*z2)/(s124*s234*s34*z34) - (s13^2*s23*z2)/
    (2*s12*s123*s234*s34*z34) - (s13^2*s23*z2)/(s12*s124*s234*s34*z34) - 
   (s14*s23*z2)/(2*s12*s234*s34*z34) - (s13*s14*s23*z2)/
    (2*s12*s123*s234*s34*z34) - (s13*s14*s23*z2)/(s12*s124*s234*s34*z34) - 
   (s13*s23^2*z2)/(2*s12*s123*s234*s34*z34) - 
   (s13*s23^2*z2)/(s12*s124*s234*s34*z34) + (s24*z2)/(s12*s34*z34) - 
   (s13*s24*z2)/(s12^2*s34*z34) + (s13*s24*z2)/(4*s12*s123*s34*z34) - 
   (s13*s24*z2)/(4*s12*s124*s34*z34) + (s13^2*s24*z2)/(s12^2*s123*s34*z34) - 
   (s13^2*s24*z2)/(s12^2*s124*s34*z34) - (s13*s24*z2)/(2*s12*s134*s34*z34) + 
   (s13^2*s24*z2)/(s12*s123*s134*s34*z34) + 
   (s13^2*s24*z2)/(2*s12*s124*s134*s34*z34) - (s14*s24*z2)/(s12^2*s34*z34) + 
   (s13*s14*s24*z2)/(s12^2*s123*s34*z34) - (s13*s14*s24*z2)/
    (s12^2*s124*s34*z34) - (s14*s24*z2)/(2*s12*s134*s34*z34) + 
   (s13*s14*s24*z2)/(s12*s123*s134*s34*z34) + 
   (s13*s14*s24*z2)/(2*s12*s124*s134*s34*z34) + 
   (s13*s23*s24*z2)/(2*s12^2*s123*s34*z34) - (s13*s23*s24*z2)/
    (2*s12^2*s124*s34*z34) + (s24*z2)/(2*s234*s34*z34) - 
   (s13*s24*z2)/(2*s12*s234*s34*z34) - (s13*s24*z2)/(2*s123*s234*s34*z34) - 
   (s13*s24*z2)/(s124*s234*s34*z34) - (s13^2*s24*z2)/
    (2*s12*s123*s234*s34*z34) - (s13^2*s24*z2)/(s12*s124*s234*s34*z34) - 
   (s14*s24*z2)/(2*s12*s234*s34*z34) - (s13*s14*s24*z2)/
    (2*s12*s123*s234*s34*z34) - (s13*s14*s24*z2)/(s12*s124*s234*s34*z34) - 
   (s13*s23*s24*z2)/(s12*s123*s234*s34*z34) - (2*s13*s23*s24*z2)/
    (s12*s124*s234*s34*z34) + (s13*s24^2*z2)/(4*s12^2*s123*s34*z34) - 
   (s13*s24^2*z2)/(4*s12^2*s124*s34*z34) - 
   (s13*s24^2*z2)/(2*s12*s123*s234*s34*z34) - 
   (s13*s24^2*z2)/(s12*s124*s234*s34*z34) + (s34*z2)/(2*s12*s123*z34) + 
   (s13*s34*z2)/(2*s12^2*s123*z34) - (s13*s34*z2)/(2*s12^2*s124*z34) + 
   (s13*s34*z2)/(s12*s123*s134*z34) + (s13*s34*z2)/(2*s12*s124*s134*z34) - 
   (s13*s34*z2)/(2*s12*s123*s234*z34) - (s13*s34*z2)/(s12*s124*s234*z34) + 
   (2*s13*z1^2*z2)/(s12^2*z12^2*z34) + (2*s14*z1^2*z2)/(s12^2*z12^2*z34) + 
   (2*s23*z1^2*z2)/(s12^2*z12^2*z34) + (2*s24*z1^2*z2)/(s12^2*z12^2*z34) - 
   (2*z1^2*z2)/(s34*z12^2*z34) - (2*s13*z1^2*z2)/(s12*s34*z12^2*z34) - 
   (2*s14*z1^2*z2)/(s12*s34*z12^2*z34) - (2*s23*z1^2*z2)/
    (s12*s34*z12^2*z34) - (2*s24*z1^2*z2)/(s12*s34*z12^2*z34) + 
   (2*s34*z1^2*z2)/(s12^2*z12^2*z34) - (3*z1*z2)/(s12*z12*z34) - 
   (z1*z2)/(2*s123*z12*z34) - (z1*z2)/(2*s124*z12*z34) - 
   (4*s13*z1*z2)/(s12^2*z12*z34) - (s13*z1*z2)/(4*s12*s123*z12*z34) - 
   (5*s13*z1*z2)/(4*s12*s124*z12*z34) + (s13^2*z1*z2)/
    (2*s12^2*s123*z12*z34) - (s13^2*z1*z2)/(s12^2*s124*z12*z34) - 
   (3*z1*z2)/(2*s134*z12*z34) - (5*s13*z1*z2)/(2*s12*s134*z12*z34) - 
   (4*s14*z1*z2)/(s12^2*z12*z34) - (3*s14*z1*z2)/(4*s12*s123*z12*z34) - 
   (3*s14*z1*z2)/(4*s12*s124*z12*z34) + (s13*s14*z1*z2)/
    (4*s12^2*s123*z12*z34) - (5*s13*s14*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (5*s14*z1*z2)/(2*s12*s134*z12*z34) - (s14^2*z1*z2)/
    (4*s12^2*s123*z12*z34) - (s14^2*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (4*s23*z1*z2)/(s12^2*z12*z34) - (s23*z1*z2)/(4*s12*s123*z12*z34) - 
   (5*s23*z1*z2)/(4*s12*s124*z12*z34) + (s13*s23*z1*z2)/
    (s12^2*s123*z12*z34) - (2*s13*s23*z1*z2)/(s12^2*s124*z12*z34) - 
   (2*s23*z1*z2)/(s12*s134*z12*z34) + (s14*s23*z1*z2)/
    (4*s12^2*s123*z12*z34) - (5*s14*s23*z1*z2)/(4*s12^2*s124*z12*z34) + 
   (s23^2*z1*z2)/(2*s12^2*s123*z12*z34) - 
   (s23^2*z1*z2)/(s12^2*s124*z12*z34) - (z1*z2)/(2*s234*z12*z34) - 
   (3*s13*z1*z2)/(2*s12*s234*z12*z34) - (3*s14*z1*z2)/(2*s12*s234*z12*z34) - 
   (2*s23*z1*z2)/(s12*s234*z12*z34) - (4*s24*z1*z2)/(s12^2*z12*z34) - 
   (3*s24*z1*z2)/(4*s12*s123*z12*z34) - (3*s24*z1*z2)/(4*s12*s124*z12*z34) + 
   (s13*s24*z1*z2)/(4*s12^2*s123*z12*z34) - (5*s13*s24*z1*z2)/
    (4*s12^2*s124*z12*z34) - (2*s24*z1*z2)/(s12*s134*z12*z34) - 
   (s14*s24*z1*z2)/(2*s12^2*s123*z12*z34) - (s14*s24*z1*z2)/
    (2*s12^2*s124*z12*z34) + (s23*s24*z1*z2)/(4*s12^2*s123*z12*z34) - 
   (5*s23*s24*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (2*s24*z1*z2)/(s12*s234*z12*z34) - (s24^2*z1*z2)/(4*s12^2*s123*z12*z34) - 
   (s24^2*z1*z2)/(4*s12^2*s124*z12*z34) - (s13*z1*z2)/(s12*s34*z12*z34) - 
   (s13^2*z1*z2)/(s12^2*s34*z12*z34) + (s13^2*z1*z2)/
    (4*s12*s123*s34*z12*z34) - (s13^2*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (s13^3*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^3*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s13*z1*z2)/(s134*s34*z12*z34) - (s13^2*z1*z2)/(s12*s134*s34*z12*z34) - 
   (s14*z1*z2)/(s12*s34*z12*z34) - (2*s13*s14*z1*z2)/(s12^2*s34*z12*z34) + 
   (s13*s14*z1*z2)/(4*s12*s123*s34*z12*z34) - 
   (s13*s14*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s14*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s14*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (s14*z1*z2)/(s134*s34*z12*z34) - (2*s13*s14*z1*z2)/
    (s12*s134*s34*z12*z34) - (s14^2*z1*z2)/(s12^2*s34*z12*z34) + 
   (s13*s14^2*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13*s14^2*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s14^2*z1*z2)/(s12*s134*s34*z12*z34) - (s23*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s23*z1*z2)/(s12^2*s34*z12*z34) + (s13*s23*z1*z2)/
    (2*s12*s123*s34*z12*z34) - (s13*s23*z1*z2)/(2*s12*s124*s34*z12*z34) + 
   (3*s13^2*s23*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (3*s13^2*s23*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s23*z1*z2)/(2*s134*s34*z12*z34) - (3*s13*s23*z1*z2)/
    (2*s12*s134*s34*z12*z34) - (2*s14*s23*z1*z2)/(s12^2*s34*z12*z34) + 
   (s14*s23*z1*z2)/(4*s12*s123*s34*z12*z34) - 
   (s14*s23*z1*z2)/(4*s12*s124*s34*z12*z34) + (s13*s14*s23*z1*z2)/
    (s12^2*s123*s34*z12*z34) - (s13*s14*s23*z1*z2)/(s12^2*s124*s34*z12*z34) - 
   (3*s14*s23*z1*z2)/(2*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^2*s23*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s23^2*z1*z2)/(s12^2*s34*z12*z34) + (s23^2*z1*z2)/
    (4*s12*s123*s34*z12*z34) - (s23^2*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (3*s13*s23^2*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (3*s13*s23^2*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s23^2*z1*z2)/(2*s12*s134*s34*z12*z34) + (s14*s23^2*z1*z2)/
    (2*s12^2*s123*s34*z12*z34) - (s14*s23^2*z1*z2)/
    (2*s12^2*s124*s34*z12*z34) + (s23^3*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s23^3*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (s12*z1*z2)/(s234*s34*z12*z34) + (s13*z1*z2)/(s234*s34*z12*z34) + 
   (s14*z1*z2)/(s234*s34*z12*z34) + (s23*z1*z2)/(2*s234*s34*z12*z34) - 
   (s13*s23*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (s14*s23*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (s23^2*z1*z2)/(2*s12*s234*s34*z12*z34) - (s24*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s24*z1*z2)/(s12^2*s34*z12*z34) + (s13*s24*z1*z2)/
    (4*s12*s123*s34*z12*z34) - (s13*s24*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (s24*z1*z2)/(2*s134*s34*z12*z34) - (3*s13*s24*z1*z2)/
    (2*s12*s134*s34*z12*z34) - (2*s14*s24*z1*z2)/(s12^2*s34*z12*z34) + 
   (s13*s14*s24*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s14*s24*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (3*s14*s24*z1*z2)/(2*s12*s134*s34*z12*z34) - 
   (2*s23*s24*z1*z2)/(s12^2*s34*z12*z34) + (s23*s24*z1*z2)/
    (4*s12*s123*s34*z12*z34) - (s23*s24*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (s13*s23*s24*z1*z2)/(s12^2*s123*s34*z12*z34) - 
   (s13*s23*s24*z1*z2)/(s12^2*s124*s34*z12*z34) - 
   (s23*s24*z1*z2)/(s12*s134*s34*z12*z34) + (s14*s23*s24*z1*z2)/
    (2*s12^2*s123*s34*z12*z34) - (s14*s23*s24*z1*z2)/
    (2*s12^2*s124*s34*z12*z34) + (s23^2*s24*z1*z2)/
    (2*s12^2*s123*s34*z12*z34) - (s23^2*s24*z1*z2)/
    (2*s12^2*s124*s34*z12*z34) + (s24*z1*z2)/(2*s234*s34*z12*z34) - 
   (s13*s24*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (s14*s24*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (s23*s24*z1*z2)/(s12*s234*s34*z12*z34) - 
   (s24^2*z1*z2)/(s12^2*s34*z12*z34) + (s13*s24^2*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) - (s13*s24^2*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) - (s24^2*z1*z2)/(2*s12*s134*s34*z12*z34) + 
   (s23*s24^2*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s23*s24^2*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s24^2*z1*z2)/(2*s12*s234*s34*z12*z34) - (3*s34*z1*z2)/(s12^2*z12*z34) - 
   (s34*z1*z2)/(2*s12*s123*z12*z34) - (s34*z1*z2)/(2*s12*s124*z12*z34) + 
   (s13*s34*z1*z2)/(4*s12^2*s123*z12*z34) - (3*s13*s34*z1*z2)/
    (4*s12^2*s124*z12*z34) - (3*s34*z1*z2)/(2*s12*s134*z12*z34) - 
   (s14*s34*z1*z2)/(4*s12^2*s123*z12*z34) - (s14*s34*z1*z2)/
    (4*s12^2*s124*z12*z34) + (s23*s34*z1*z2)/(4*s12^2*s123*z12*z34) - 
   (3*s23*s34*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (3*s34*z1*z2)/(2*s12*s234*z12*z34) - (s24*s34*z1*z2)/
    (4*s12^2*s123*z12*z34) - (s24*s34*z1*z2)/(4*s12^2*s124*z12*z34) + 
   (2*s13*z1*z2^2)/(s12^2*z12^2*z34) + (2*s14*z1*z2^2)/(s12^2*z12^2*z34) + 
   (2*s23*z1*z2^2)/(s12^2*z12^2*z34) + (2*s24*z1*z2^2)/(s12^2*z12^2*z34) - 
   (2*z1*z2^2)/(s34*z12^2*z34) - (2*s13*z1*z2^2)/(s12*s34*z12^2*z34) - 
   (2*s14*z1*z2^2)/(s12*s34*z12^2*z34) - (2*s23*z1*z2^2)/
    (s12*s34*z12^2*z34) - (2*s24*z1*z2^2)/(s12*s34*z12^2*z34) + 
   (2*s34*z1*z2^2)/(s12^2*z12^2*z34) + (s13*z2^2)/(s12^2*z12*z34) - 
   (s13*z2^2)/(2*s12*s123*z12*z34) + (s13*z2^2)/(2*s12*s124*z12*z34) - 
   (3*s13^2*z2^2)/(4*s12^2*s123*z12*z34) + 
   (3*s13^2*z2^2)/(4*s12^2*s124*z12*z34) + (s14*z2^2)/(s12^2*z12*z34) - 
   (3*s13*s14*z2^2)/(4*s12^2*s123*z12*z34) + (3*s13*s14*z2^2)/
    (4*s12^2*s124*z12*z34) - (3*s13*s23*z2^2)/(4*s12^2*s123*z12*z34) + 
   (3*s13*s23*z2^2)/(4*s12^2*s124*z12*z34) - (3*s13*s24*z2^2)/
    (4*s12^2*s123*z12*z34) + (3*s13*s24*z2^2)/(4*s12^2*s124*z12*z34) + 
   (s13*z2^2)/(s12*s34*z12*z34) + (s13^2*z2^2)/(s12^2*s34*z12*z34) - 
   (s13^2*z2^2)/(4*s12*s123*s34*z12*z34) + 
   (s13^2*z2^2)/(4*s12*s124*s34*z12*z34) - 
   (s13^3*z2^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^3*z2^2)/(4*s12^2*s124*s34*z12*z34) + (s14*z2^2)/(s12*s34*z12*z34) + 
   (2*s13*s14*z2^2)/(s12^2*s34*z12*z34) - (s13*s14*z2^2)/
    (4*s12*s123*s34*z12*z34) + (s13*s14*z2^2)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s14*z2^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14^2*z2^2)/(s12^2*s34*z12*z34) - (s13*s14^2*z2^2)/
    (4*s12^2*s123*s34*z12*z34) + (s13*s14^2*z2^2)/
    (4*s12^2*s124*s34*z12*z34) + (s13*s23*z2^2)/(s12^2*s34*z12*z34) - 
   (s13*s23*z2^2)/(4*s12*s123*s34*z12*z34) + 
   (s13*s23*z2^2)/(4*s12*s124*s34*z12*z34) - (s13^2*s23*z2^2)/
    (2*s12^2*s123*s34*z12*z34) + (s13^2*s23*z2^2)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s23*z2^2)/(s12^2*s34*z12*z34) - 
   (s13*s14*s23*z2^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14*s23*z2^2)/(2*s12^2*s124*s34*z12*z34) - 
   (s13*s23^2*z2^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13*s23^2*z2^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s13*s24*z2^2)/(s12^2*s34*z12*z34) - (s13*s24*z2^2)/
    (4*s12*s123*s34*z12*z34) + (s13*s24*z2^2)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s24*z2^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s24*z2^2)/(s12^2*s34*z12*z34) - (s13*s14*s24*z2^2)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s14*s24*z2^2)/
    (2*s12^2*s124*s34*z12*z34) - (s13*s23*s24*z2^2)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s23*s24*z2^2)/
    (2*s12^2*s124*s34*z12*z34) - (s13*s24^2*z2^2)/
    (4*s12^2*s123*s34*z12*z34) + (s13*s24^2*z2^2)/
    (4*s12^2*s124*s34*z12*z34) - (s13*s34*z2^2)/(2*s12^2*s123*z12*z34) + 
   (s13*s34*z2^2)/(2*s12^2*s124*z12*z34) + z3/(s12*z34) + 
   (2*s13*z3)/(s12^2*z34) + (s13*z3)/(4*s12*s123*z34) - 
   (s13*z3)/(4*s12*s124*z34) + (2*s13^2*z3)/(s12^2*s123*z34) - 
   (s12*z3)/(s123*s134*z34) + (s12*z3)/(2*s124*s134*z34) + 
   (2*s13*z3)/(s12*s134*z34) + (s13*z3)/(s124*s134*z34) + 
   (4*s13^2*z3)/(s12*s123*s134*z34) + (s14*z3)/(s12^2*z34) - 
   (3*s14*z3)/(4*s12*s123*z34) + (s14*z3)/(4*s12*s124*z34) + 
   (9*s13*s14*z3)/(4*s12^2*s123*z34) + (9*s13*s14*z3)/(4*s12^2*s124*z34) + 
   (s14*z3)/(s12*s134*z34) - (2*s14*z3)/(s123*s134*z34) + 
   (4*s13*s14*z3)/(s12*s123*s134*z34) - (2*s13*s14*z3)/(s12*s124*s134*z34) + 
   (s14^2*z3)/(4*s12^2*s123*z34) + (9*s14^2*z3)/(4*s12^2*s124*z34) - 
   (2*s14^2*z3)/(s12*s124*s134*z34) - (3*s23*z3)/(4*s12*s123*z34) - 
   (s23*z3)/(4*s12*s124*z34) + (s13*s23*z3)/(s12^2*s123*z34) - 
   (s23*z3)/(s123*s134*z34) + (s23*z3)/(2*s124*s134*z34) + 
   (2*s13*s23*z3)/(s12*s123*s134*z34) - (3*s14*s23*z3)/(4*s12^2*s123*z34) + 
   (5*s14*s23*z3)/(4*s12^2*s124*z34) - (s14*s23*z3)/(s12*s124*s134*z34) + 
   (s12*z3)/(2*s123*s234*z34) - (s12*z3)/(s124*s234*z34) + 
   (s13*z3)/(s12*s234*z34) - (s13*z3)/(2*s123*s234*z34) - 
   (s13*z3)/(s124*s234*z34) - (s13^2*z3)/(s12*s123*s234*z34) + 
   (s13*z3)/(s134*s234*z34) + (s14*z3)/(2*s123*s234*z34) + 
   (s14*z3)/(s124*s234*z34) - (s13*s14*z3)/(s12*s123*s234*z34) + 
   (2*s13*s14*z3)/(s12*s124*s234*z34) + (2*s14^2*z3)/(s12*s124*s234*z34) + 
   (s23*z3)/(s123*s234*z34) - (2*s23*z3)/(s124*s234*z34) - 
   (2*s13*s23*z3)/(s12*s123*s234*z34) + (4*s14*s23*z3)/(s12*s124*s234*z34) - 
   (3*s24*z3)/(4*s12*s123*z34) - (3*s24*z3)/(4*s12*s124*z34) + 
   (3*s13*s24*z3)/(2*s12^2*s123*z34) - (s13*s24*z3)/(2*s12^2*s124*z34) - 
   (s24*z3)/(s123*s134*z34) + (s24*z3)/(2*s124*s134*z34) + 
   (2*s13*s24*z3)/(s12*s123*s134*z34) - (s14*s24*z3)/(4*s12^2*s123*z34) + 
   (3*s14*s24*z3)/(4*s12^2*s124*z34) - (s14*s24*z3)/(s12*s124*s134*z34) + 
   (s24*z3)/(s123*s234*z34) - (2*s24*z3)/(s124*s234*z34) - 
   (2*s13*s24*z3)/(s12*s123*s234*z34) + (4*s14*s24*z3)/(s12*s124*s234*z34) - 
   (s13*z3)/(s34^2*z34) + (s13^2*z3)/(s12*s34^2*z34) + 
   (2*s13^3*z3)/(s12^2*s34^2*z34) - (s12*s13*z3)/(2*s134*s34^2*z34) + 
   (3*s13^2*z3)/(2*s134*s34^2*z34) + (2*s13^3*z3)/(s12*s134*s34^2*z34) - 
   (2*s14*z3)/(s34^2*z34) + (s13*s14*z3)/(s12*s34^2*z34) + 
   (6*s13^2*s14*z3)/(s12^2*s34^2*z34) - (s12*s14*z3)/(s134*s34^2*z34) + 
   (3*s13*s14*z3)/(2*s134*s34^2*z34) + (5*s13^2*s14*z3)/
    (s12*s134*s34^2*z34) + (6*s13*s14^2*z3)/(s12^2*s34^2*z34) + 
   (4*s13*s14^2*z3)/(s12*s134*s34^2*z34) + (2*s14^3*z3)/(s12^2*s34^2*z34) + 
   (s14^3*z3)/(s12*s134*s34^2*z34) - (s23*z3)/(s34^2*z34) - 
   (2*s13*s23*z3)/(s12*s34^2*z34) + (2*s13^2*s23*z3)/(s12^2*s34^2*z34) + 
   (5*s13^2*s23*z3)/(2*s12*s134*s34^2*z34) - (4*s14*s23*z3)/(s12*s34^2*z34) + 
   (3*s13*s14*s23*z3)/(s12^2*s34^2*z34) - (3*s14*s23*z3)/(2*s134*s34^2*z34) + 
   (3*s13*s14*s23*z3)/(s12*s134*s34^2*z34) + 
   (s14^2*s23*z3)/(s12^2*s34^2*z34) + (s14^2*s23*z3)/(2*s12*s134*s34^2*z34) - 
   (s23^2*z3)/(s12*s34^2*z34) + (s13*s23^2*z3)/(2*s12*s134*s34^2*z34) - 
   (s14*s23^2*z3)/(s12^2*s34^2*z34) - (s14*s23^2*z3)/(2*s12*s134*s34^2*z34) - 
   (s12*s23*z3)/(2*s234*s34^2*z34) + (s13^2*s23*z3)/(2*s12*s234*s34^2*z34) + 
   (s12*s13*s23*z3)/(s134*s234*s34^2*z34) + 
   (s13^2*s23*z3)/(s134*s234*s34^2*z34) + (s13*s14*s23*z3)/
    (s12*s234*s34^2*z34) + (s13*s14*s23*z3)/(s134*s234*s34^2*z34) + 
   (s14^2*s23*z3)/(2*s12*s234*s34^2*z34) - (s23^2*z3)/(2*s234*s34^2*z34) + 
   (s13*s23^2*z3)/(2*s12*s234*s34^2*z34) + 
   (s13*s23^2*z3)/(s134*s234*s34^2*z34) + (s14*s23^2*z3)/
    (2*s12*s234*s34^2*z34) - (2*s24*z3)/(s34^2*z34) - 
   (2*s13*s24*z3)/(s12*s34^2*z34) + (3*s13^2*s24*z3)/(s12^2*s34^2*z34) + 
   (s13*s24*z3)/(2*s134*s34^2*z34) + (3*s13^2*s24*z3)/(s12*s134*s34^2*z34) - 
   (4*s14*s24*z3)/(s12*s34^2*z34) + (5*s13*s14*s24*z3)/(s12^2*s34^2*z34) - 
   (s14*s24*z3)/(s134*s34^2*z34) + (4*s13*s14*s24*z3)/(s12*s134*s34^2*z34) + 
   (2*s14^2*s24*z3)/(s12^2*s34^2*z34) + (s14^2*s24*z3)/(s12*s134*s34^2*z34) - 
   (3*s23*s24*z3)/(s12*s34^2*z34) + (s13*s23*s24*z3)/(s12^2*s34^2*z34) + 
   (3*s13*s23*s24*z3)/(2*s12*s134*s34^2*z34) - 
   (s14*s23*s24*z3)/(s12^2*s34^2*z34) - (s14*s23*s24*z3)/
    (2*s12*s134*s34^2*z34) - (s12*s24*z3)/(s234*s34^2*z34) + 
   (s13^2*s24*z3)/(s12*s234*s34^2*z34) + (s12*s13*s24*z3)/
    (s134*s234*s34^2*z34) + (s13^2*s24*z3)/(s134*s234*s34^2*z34) + 
   (2*s13*s14*s24*z3)/(s12*s234*s34^2*z34) + (s13*s14*s24*z3)/
    (s134*s234*s34^2*z34) + (s14^2*s24*z3)/(s12*s234*s34^2*z34) - 
   (3*s23*s24*z3)/(2*s234*s34^2*z34) + (3*s13*s23*s24*z3)/
    (2*s12*s234*s34^2*z34) + (2*s13*s23*s24*z3)/(s134*s234*s34^2*z34) + 
   (3*s14*s23*s24*z3)/(2*s12*s234*s34^2*z34) - (2*s24^2*z3)/(s12*s34^2*z34) + 
   (s13*s24^2*z3)/(s12^2*s34^2*z34) + (s13*s24^2*z3)/(s12*s134*s34^2*z34) - 
   (s24^2*z3)/(s234*s34^2*z34) + (s13*s24^2*z3)/(s12*s234*s34^2*z34) + 
   (s13*s24^2*z3)/(s134*s234*s34^2*z34) + (s14*s24^2*z3)/
    (s12*s234*s34^2*z34) + z3/(s34*z34) + (2*s13*z3)/(s12*s34*z34) - 
   (3*s13*z3)/(4*s123*s34*z34) - (s13*z3)/(4*s124*s34*z34) + 
   (4*s13^2*z3)/(s12^2*s34*z34) + (s13^2*z3)/(4*s12*s123*s34*z34) - 
   (s13^2*z3)/(4*s12*s124*s34*z34) + (s13^3*z3)/(s12^2*s123*s34*z34) + 
   (3*s13*z3)/(2*s134*s34*z34) - (s12*s13*z3)/(s123*s134*s34*z34) + 
   (s12*s13*z3)/(2*s124*s134*s34*z34) + (4*s13^2*z3)/(s12*s134*s34*z34) + 
   (s13^2*z3)/(s123*s134*s34*z34) + (s13^2*z3)/(2*s124*s134*s34*z34) + 
   (2*s13^3*z3)/(s12*s123*s134*s34*z34) - (3*s14*z3)/(4*s123*s34*z34) - 
   (3*s14*z3)/(4*s124*s34*z34) + (7*s13*s14*z3)/(s12^2*s34*z34) - 
   (s13*s14*z3)/(4*s12*s123*s34*z34) + (s13*s14*z3)/(4*s12*s124*s34*z34) + 
   (9*s13^2*s14*z3)/(4*s12^2*s123*s34*z34) + (5*s13^2*s14*z3)/
    (4*s12^2*s124*s34*z34) - (s12*s14*z3)/(s123*s134*s34*z34) + 
   (s12*s14*z3)/(2*s124*s134*s34*z34) + (6*s13*s14*z3)/(s12*s134*s34*z34) + 
   (4*s13^2*s14*z3)/(s12*s123*s134*s34*z34) - 
   (s13^2*s14*z3)/(s12*s124*s134*s34*z34) + (3*s14^2*z3)/(s12^2*s34*z34) - 
   (s14^2*z3)/(2*s12*s123*s34*z34) + (s14^2*z3)/(2*s12*s124*s34*z34) + 
   (3*s13*s14^2*z3)/(2*s12^2*s123*s34*z34) + (5*s13*s14^2*z3)/
    (2*s12^2*s124*s34*z34) + (2*s14^2*z3)/(s12*s134*s34*z34) - 
   (s14^2*z3)/(s123*s134*s34*z34) - (s14^2*z3)/(2*s124*s134*s34*z34) + 
   (2*s13*s14^2*z3)/(s12*s123*s134*s34*z34) - 
   (2*s13*s14^2*z3)/(s12*s124*s134*s34*z34) + 
   (s14^3*z3)/(4*s12^2*s123*s34*z34) + (5*s14^3*z3)/(4*s12^2*s124*s34*z34) - 
   (s14^3*z3)/(s12*s124*s134*s34*z34) - (3*s23*z3)/(4*s123*s34*z34) - 
   (s23*z3)/(4*s124*s34*z34) + (2*s13*s23*z3)/(s12^2*s34*z34) - 
   (3*s13*s23*z3)/(2*s12*s123*s34*z34) - (s13*s23*z3)/(2*s12*s124*s34*z34) + 
   (s13^2*s23*z3)/(s12^2*s123*s34*z34) + (5*s13*s23*z3)/
    (2*s12*s134*s34*z34) - (s13*s23*z3)/(s123*s134*s34*z34) + 
   (s13*s23*z3)/(2*s124*s134*s34*z34) + (2*s13^2*s23*z3)/
    (s12*s123*s134*s34*z34) - (9*s14*s23*z3)/(4*s12*s123*s34*z34) - 
   (3*s14*s23*z3)/(4*s12*s124*s34*z34) + (s13*s14*s23*z3)/
    (2*s12^2*s123*s34*z34) + (3*s13*s14*s23*z3)/(2*s12^2*s124*s34*z34) + 
   (s14*s23*z3)/(2*s12*s134*s34*z34) - (s14*s23*z3)/(s123*s134*s34*z34) + 
   (s14*s23*z3)/(2*s124*s134*s34*z34) + (2*s13*s14*s23*z3)/
    (s12*s123*s134*s34*z34) - (s13*s14*s23*z3)/(s12*s124*s134*s34*z34) - 
   (s14^2*s23*z3)/(2*s12^2*s123*s34*z34) + (3*s14^2*s23*z3)/
    (2*s12^2*s124*s34*z34) - (s14^2*s23*z3)/(s12*s124*s134*s34*z34) - 
   (3*s23^2*z3)/(4*s12*s123*s34*z34) - (s23^2*z3)/(4*s12*s124*s34*z34) - 
   (3*s14*s23^2*z3)/(4*s12^2*s123*s34*z34) + 
   (s14*s23^2*z3)/(4*s12^2*s124*s34*z34) + (s13*z3)/(s234*s34*z34) + 
   (s13^2*z3)/(s12*s234*s34*z34) + (s12*s13*z3)/(s134*s234*s34*z34) + 
   (s13^2*z3)/(s134*s234*s34*z34) + (s13*s14*z3)/(s12*s234*s34*z34) + 
   (s13*s14*z3)/(s134*s234*s34*z34) - (s23*z3)/(2*s234*s34*z34) + 
   (s12*s23*z3)/(2*s123*s234*s34*z34) - (s12*s23*z3)/(s124*s234*s34*z34) + 
   (3*s13*s23*z3)/(2*s12*s234*s34*z34) - (s13*s23*z3)/(2*s123*s234*s34*z34) - 
   (s13*s23*z3)/(s124*s234*s34*z34) - (s13^2*s23*z3)/
    (s12*s123*s234*s34*z34) + (2*s13*s23*z3)/(s134*s234*s34*z34) + 
   (s14*s23*z3)/(2*s12*s234*s34*z34) + (s14*s23*z3)/(2*s123*s234*s34*z34) + 
   (s14*s23*z3)/(s124*s234*s34*z34) - (s13*s14*s23*z3)/
    (s12*s123*s234*s34*z34) + (2*s13*s14*s23*z3)/(s12*s124*s234*s34*z34) + 
   (2*s14^2*s23*z3)/(s12*s124*s234*s34*z34) + 
   (s23^2*z3)/(2*s123*s234*s34*z34) - (s23^2*z3)/(s124*s234*s34*z34) - 
   (s13*s23^2*z3)/(s12*s123*s234*s34*z34) + (2*s14*s23^2*z3)/
    (s12*s124*s234*s34*z34) - (s24*z3)/(s12*s34*z34) - 
   (3*s24*z3)/(4*s123*s34*z34) - (3*s24*z3)/(4*s124*s34*z34) + 
   (3*s13*s24*z3)/(s12^2*s34*z34) - (s13*s24*z3)/(s12*s123*s34*z34) - 
   (3*s13*s24*z3)/(2*s12*s124*s34*z34) + (3*s13^2*s24*z3)/
    (2*s12^2*s123*s34*z34) - (s13^2*s24*z3)/(2*s12^2*s124*s34*z34) + 
   (3*s13*s24*z3)/(s12*s134*s34*z34) - (s13*s24*z3)/(s123*s134*s34*z34) + 
   (s13*s24*z3)/(2*s124*s134*s34*z34) + (2*s13^2*s24*z3)/
    (s12*s123*s134*s34*z34) + (s14*s24*z3)/(s12^2*s34*z34) - 
   (7*s14*s24*z3)/(4*s12*s123*s34*z34) - (7*s14*s24*z3)/
    (4*s12*s124*s34*z34) + (3*s13*s14*s24*z3)/(2*s12^2*s123*s34*z34) + 
   (s13*s14*s24*z3)/(2*s12^2*s124*s34*z34) + 
   (s14*s24*z3)/(s12*s134*s34*z34) - (s14*s24*z3)/(s123*s134*s34*z34) + 
   (s14*s24*z3)/(2*s124*s134*s34*z34) + (2*s13*s14*s24*z3)/
    (s12*s123*s134*s34*z34) - (s13*s14*s24*z3)/(s12*s124*s134*s34*z34) + 
   (s14^2*s24*z3)/(s12^2*s124*s34*z34) - (s14^2*s24*z3)/
    (s12*s124*s134*s34*z34) - (3*s23*s24*z3)/(2*s12*s123*s34*z34) - 
   (s23*s24*z3)/(s12*s124*s34*z34) + (s13*s23*s24*z3)/
    (2*s12^2*s123*s34*z34) - (s13*s23*s24*z3)/(2*s12^2*s124*s34*z34) - 
   (s14*s23*s24*z3)/(s12^2*s123*s34*z34) - (s24*z3)/(s234*s34*z34) + 
   (s12*s24*z3)/(2*s123*s234*s34*z34) - (s12*s24*z3)/(s124*s234*s34*z34) + 
   (2*s13*s24*z3)/(s12*s234*s34*z34) - (s13*s24*z3)/(2*s123*s234*s34*z34) - 
   (s13*s24*z3)/(s124*s234*s34*z34) - (s13^2*s24*z3)/
    (s12*s123*s234*s34*z34) + (2*s13*s24*z3)/(s134*s234*s34*z34) + 
   (s14*s24*z3)/(s12*s234*s34*z34) + (s14*s24*z3)/(2*s123*s234*s34*z34) + 
   (s14*s24*z3)/(s124*s234*s34*z34) - (s13*s14*s24*z3)/
    (s12*s123*s234*s34*z34) + (2*s13*s14*s24*z3)/(s12*s124*s234*s34*z34) + 
   (2*s14^2*s24*z3)/(s12*s124*s234*s34*z34) + 
   (s23*s24*z3)/(s123*s234*s34*z34) - (2*s23*s24*z3)/(s124*s234*s34*z34) - 
   (2*s13*s23*s24*z3)/(s12*s123*s234*s34*z34) + 
   (4*s14*s23*s24*z3)/(s12*s124*s234*s34*z34) - 
   (3*s24^2*z3)/(4*s12*s123*s34*z34) - (3*s24^2*z3)/(4*s12*s124*s34*z34) + 
   (s13*s24^2*z3)/(2*s12^2*s123*s34*z34) - 
   (s13*s24^2*z3)/(2*s12^2*s124*s34*z34) - 
   (s14*s24^2*z3)/(4*s12^2*s123*s34*z34) - 
   (s14*s24^2*z3)/(4*s12^2*s124*s34*z34) + (s24^2*z3)/(2*s123*s234*s34*z34) - 
   (s24^2*z3)/(s124*s234*s34*z34) - (s13*s24^2*z3)/(s12*s123*s234*s34*z34) + 
   (2*s14*s24^2*z3)/(s12*s124*s234*s34*z34) + (s13*s34*z3)/(s12^2*s123*z34) - 
   (s34*z3)/(s123*s134*z34) + (s34*z3)/(2*s124*s134*z34) + 
   (2*s13*s34*z3)/(s12*s123*s134*z34) + (s14*s34*z3)/(s12^2*s124*z34) - 
   (s14*s34*z3)/(s12*s124*s134*z34) + (s34*z3)/(2*s123*s234*z34) - 
   (s34*z3)/(s124*s234*z34) - (s13*s34*z3)/(s12*s123*s234*z34) + 
   (2*s14*s34*z3)/(s12*s124*s234*z34) - (3*z1*z3)/(s12*z12*z34) - 
   (z1*z3)/(2*s123*z12*z34) - (3*z1*z3)/(2*s124*z12*z34) - 
   (2*s13*z1*z3)/(s12^2*z12*z34) - (9*s13*z1*z3)/(4*s12*s123*z12*z34) - 
   (11*s13*z1*z3)/(4*s12*s124*z12*z34) - (2*s13^2*z1*z3)/
    (s12^2*s123*z12*z34) - (z1*z3)/(2*s134*z12*z34) - 
   (2*s12*z1*z3)/(s123*s134*z12*z34) + (s12*z1*z3)/(s124*s134*z12*z34) - 
   (3*s13*z1*z3)/(4*s12*s134*z12*z34) - (6*s13*z1*z3)/(s123*s134*z12*z34) + 
   (2*s13*z1*z3)/(s124*s134*z12*z34) - (4*s13^2*z1*z3)/
    (s12*s123*s134*z12*z34) - (s14*z1*z3)/(s12^2*z12*z34) - 
   (7*s14*z1*z3)/(4*s12*s123*z12*z34) - (17*s14*z1*z3)/(4*s12*s124*z12*z34) - 
   (9*s13*s14*z1*z3)/(4*s12^2*s123*z12*z34) - 
   (9*s13*s14*z1*z3)/(4*s12^2*s124*z12*z34) - 
   (s14*z1*z3)/(4*s12*s134*z12*z34) - (4*s14*z1*z3)/(s123*s134*z12*z34) + 
   (3*s14*z1*z3)/(s124*s134*z12*z34) - (4*s13*s14*z1*z3)/
    (s12*s123*s134*z12*z34) + (2*s13*s14*z1*z3)/(s12*s124*s134*z12*z34) - 
   (s14^2*z1*z3)/(4*s12^2*s123*z12*z34) - (9*s14^2*z1*z3)/
    (4*s12^2*s124*z12*z34) + (2*s14^2*z1*z3)/(s12*s124*s134*z12*z34) - 
   (4*s23*z1*z3)/(s12^2*z12*z34) - (11*s23*z1*z3)/(4*s12*s123*z12*z34) - 
   (9*s23*z1*z3)/(4*s12*s124*z12*z34) - (5*s13*s23*z1*z3)/
    (s12^2*s123*z12*z34) - (5*s23*z1*z3)/(4*s12*s134*z12*z34) - 
   (4*s23*z1*z3)/(s123*s134*z12*z34) + (s23*z1*z3)/(s124*s134*z12*z34) - 
   (6*s13*s23*z1*z3)/(s12*s123*s134*z12*z34) - 
   (15*s14*s23*z1*z3)/(4*s12^2*s123*z12*z34) - 
   (7*s14*s23*z1*z3)/(4*s12^2*s124*z12*z34) - 
   (4*s14*s23*z1*z3)/(s12*s123*s134*z12*z34) + 
   (s14*s23*z1*z3)/(s12*s124*s134*z12*z34) - 
   (3*s23^2*z1*z3)/(s12^2*s123*z12*z34) - (2*s23^2*z1*z3)/
    (s12*s123*s134*z12*z34) - (3*z1*z3)/(2*s234*z12*z34) + 
   (s12*z1*z3)/(s123*s234*z12*z34) - (2*s12*z1*z3)/(s124*s234*z12*z34) - 
   (5*s13*z1*z3)/(4*s12*s234*z12*z34) + (2*s13*z1*z3)/(s123*s234*z12*z34) - 
   (2*s13*z1*z3)/(s124*s234*z12*z34) + (s13^2*z1*z3)/
    (s12*s123*s234*z12*z34) - (3*s14*z1*z3)/(4*s12*s234*z12*z34) + 
   (s14*z1*z3)/(s123*s234*z12*z34) - (4*s14*z1*z3)/(s124*s234*z12*z34) + 
   (s13*s14*z1*z3)/(s12*s123*s234*z12*z34) - (2*s13*s14*z1*z3)/
    (s12*s124*s234*z12*z34) - (2*s14^2*z1*z3)/(s12*s124*s234*z12*z34) - 
   (7*s23*z1*z3)/(4*s12*s234*z12*z34) + (3*s23*z1*z3)/(s123*s234*z12*z34) - 
   (4*s23*z1*z3)/(s124*s234*z12*z34) + (3*s13*s23*z1*z3)/
    (s12*s123*s234*z12*z34) + (s14*s23*z1*z3)/(s12*s123*s234*z12*z34) - 
   (4*s14*s23*z1*z3)/(s12*s124*s234*z12*z34) + 
   (2*s23^2*z1*z3)/(s12*s123*s234*z12*z34) - (2*s24*z1*z3)/(s12^2*z12*z34) - 
   (3*s24*z1*z3)/(4*s12*s123*z12*z34) - (17*s24*z1*z3)/(4*s12*s124*z12*z34) - 
   (3*s13*s24*z1*z3)/(2*s12^2*s123*z12*z34) - 
   (7*s13*s24*z1*z3)/(2*s12^2*s124*z12*z34) - 
   (s24*z1*z3)/(4*s12*s134*z12*z34) - (2*s24*z1*z3)/(s123*s134*z12*z34) + 
   (2*s24*z1*z3)/(s124*s134*z12*z34) - (2*s13*s24*z1*z3)/
    (s12*s123*s134*z12*z34) + (2*s13*s24*z1*z3)/(s12*s124*s134*z12*z34) - 
   (s14*s24*z1*z3)/(4*s12^2*s123*z12*z34) - (21*s14*s24*z1*z3)/
    (4*s12^2*s124*z12*z34) + (3*s14*s24*z1*z3)/(s12*s124*s134*z12*z34) - 
   (3*s23*s24*z1*z3)/(s12^2*s123*z12*z34) - (3*s23*s24*z1*z3)/
    (s12^2*s124*z12*z34) - (2*s23*s24*z1*z3)/(s12*s123*s134*z12*z34) + 
   (s23*s24*z1*z3)/(s12*s124*s134*z12*z34) - 
   (3*s24*z1*z3)/(4*s12*s234*z12*z34) + (2*s24*z1*z3)/(s123*s234*z12*z34) - 
   (6*s24*z1*z3)/(s124*s234*z12*z34) + (2*s13*s24*z1*z3)/
    (s12*s123*s234*z12*z34) - (2*s13*s24*z1*z3)/(s12*s124*s234*z12*z34) - 
   (6*s14*s24*z1*z3)/(s12*s124*s234*z12*z34) + 
   (2*s23*s24*z1*z3)/(s12*s123*s234*z12*z34) - 
   (4*s23*s24*z1*z3)/(s12*s124*s234*z12*z34) - 
   (3*s24^2*z1*z3)/(s12^2*s124*z12*z34) + 
   (s24^2*z1*z3)/(s12*s124*s134*z12*z34) - (4*s24^2*z1*z3)/
    (s12*s124*s234*z12*z34) - (2*s13*z1*z3)/(s34^2*z12*z34) - 
   (4*s13^2*z1*z3)/(s12*s34^2*z12*z34) - (2*s13^3*z1*z3)/
    (s12^2*s34^2*z12*z34) - (s12*s13*z1*z3)/(s134*s34^2*z12*z34) - 
   (2*s13^2*z1*z3)/(s134*s34^2*z12*z34) - 
   (s13^3*z1*z3)/(s12*s134*s34^2*z12*z34) - (4*s14*z1*z3)/(s34^2*z12*z34) - 
   (10*s13*s14*z1*z3)/(s12*s34^2*z12*z34) - (6*s13^2*s14*z1*z3)/
    (s12^2*s34^2*z12*z34) - (2*s12*s14*z1*z3)/(s134*s34^2*z12*z34) - 
   (5*s13*s14*z1*z3)/(s134*s34^2*z12*z34) - (3*s13^2*s14*z1*z3)/
    (s12*s134*s34^2*z12*z34) - (6*s14^2*z1*z3)/(s12*s34^2*z12*z34) - 
   (6*s13*s14^2*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s14^2*z1*z3)/(s134*s34^2*z12*z34) - (3*s13*s14^2*z1*z3)/
    (s12*s134*s34^2*z12*z34) - (2*s14^3*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s14^3*z1*z3)/(s12*s134*s34^2*z12*z34) - (s23*z1*z3)/(s34^2*z12*z34) - 
   (7*s13*s23*z1*z3)/(s12*s34^2*z12*z34) - (6*s13^2*s23*z1*z3)/
    (s12^2*s34^2*z12*z34) - (9*s13*s23*z1*z3)/(4*s134*s34^2*z12*z34) - 
   (9*s13^2*s23*z1*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (10*s14*s23*z1*z3)/(s12*s34^2*z12*z34) - (13*s13*s14*s23*z1*z3)/
    (s12^2*s34^2*z12*z34) - (15*s14*s23*z1*z3)/(4*s134*s34^2*z12*z34) - 
   (5*s13*s14*s23*z1*z3)/(s12*s134*s34^2*z12*z34) - 
   (7*s14^2*s23*z1*z3)/(s12^2*s34^2*z12*z34) - (11*s14^2*s23*z1*z3)/
    (4*s12*s134*s34^2*z12*z34) - (3*s23^2*z1*z3)/(s12*s34^2*z12*z34) - 
   (6*s13*s23^2*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s23^2*z1*z3)/(4*s134*s34^2*z12*z34) - (3*s13*s23^2*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) - (7*s14*s23^2*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (2*s14*s23^2*z1*z3)/(s12*s134*s34^2*z12*z34) - 
   (2*s23^3*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s23^3*z1*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (s12*s23*z1*z3)/(s234*s34^2*z12*z34) - (9*s13*s23*z1*z3)/
    (4*s234*s34^2*z12*z34) - (5*s13^2*s23*z1*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (7*s14*s23*z1*z3)/(4*s234*s34^2*z12*z34) - (2*s13*s14*s23*z1*z3)/
    (s12*s234*s34^2*z12*z34) - (3*s14^2*s23*z1*z3)/
    (4*s12*s234*s34^2*z12*z34) - (9*s23^2*z1*z3)/(4*s234*s34^2*z12*z34) - 
   (5*s13*s23^2*z1*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (2*s14*s23^2*z1*z3)/(s12*s234*s34^2*z12*z34) - 
   (5*s23^3*z1*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (2*s24*z1*z3)/(s34^2*z12*z34) - (7*s13*s24*z1*z3)/(s12*s34^2*z12*z34) - 
   (5*s13^2*s24*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s13*s24*z1*z3)/(2*s134*s34^2*z12*z34) - (3*s13^2*s24*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) - (10*s14*s24*z1*z3)/(s12*s34^2*z12*z34) - 
   (11*s13*s14*s24*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s14*s24*z1*z3)/(s134*s34^2*z12*z34) - (7*s13*s14*s24*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) - (6*s14^2*s24*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (2*s14^2*s24*z1*z3)/(s12*s134*s34^2*z12*z34) - 
   (7*s23*s24*z1*z3)/(s12*s34^2*z12*z34) - (11*s13*s23*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) - (s23*s24*z1*z3)/(4*s134*s34^2*z12*z34) - 
   (2*s13*s23*s24*z1*z3)/(s12*s134*s34^2*z12*z34) - 
   (13*s14*s23*s24*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s14*s23*s24*z1*z3)/(s12*s134*s34^2*z12*z34) - 
   (6*s23^2*s24*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s23^2*s24*z1*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (2*s12*s24*z1*z3)/(s234*s34^2*z12*z34) - (7*s13*s24*z1*z3)/
    (2*s234*s34^2*z12*z34) - (3*s13^2*s24*z1*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (3*s14*s24*z1*z3)/(s234*s34^2*z12*z34) - (5*s13*s14*s24*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s14^2*s24*z1*z3)/(s12*s234*s34^2*z12*z34) - 
   (21*s23*s24*z1*z3)/(4*s234*s34^2*z12*z34) - (5*s13*s23*s24*z1*z3)/
    (s12*s234*s34^2*z12*z34) - (4*s14*s23*s24*z1*z3)/
    (s12*s234*s34^2*z12*z34) - (7*s23^2*s24*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) - (4*s24^2*z1*z3)/(s12*s34^2*z12*z34) - 
   (5*s13*s24^2*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s13*s24^2*z1*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (6*s14*s24^2*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s14*s24^2*z1*z3)/(s12*s134*s34^2*z12*z34) - 
   (6*s23*s24^2*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s23*s24^2*z1*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (3*s24^2*z1*z3)/(s234*s34^2*z12*z34) - (5*s13*s24^2*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) - (2*s14*s24^2*z1*z3)/
    (s12*s234*s34^2*z12*z34) - (13*s23*s24^2*z1*z3)/
    (4*s12*s234*s34^2*z12*z34) - (2*s24^3*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s24^3*z1*z3)/(s12*s234*s34^2*z12*z34) - (3*z1*z3)/(s34*z12*z34) - 
   (7*s13*z1*z3)/(s12*s34*z12*z34) - (3*s13*z1*z3)/(4*s123*s34*z12*z34) - 
   (5*s13*z1*z3)/(4*s124*s34*z12*z34) - (4*s13^2*z1*z3)/(s12^2*s34*z12*z34) - 
   (7*s13^2*z1*z3)/(4*s12*s123*s34*z12*z34) - 
   (5*s13^2*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13^3*z1*z3)/(s12^2*s123*s34*z12*z34) - 
   (s12*z1*z3)/(2*s134*s34*z12*z34) - (9*s13*z1*z3)/(4*s134*s34*z12*z34) - 
   (2*s12*s13*z1*z3)/(s123*s134*s34*z12*z34) + 
   (s12*s13*z1*z3)/(s124*s134*s34*z12*z34) - 
   (7*s13^2*z1*z3)/(4*s12*s134*s34*z12*z34) - 
   (4*s13^2*z1*z3)/(s123*s134*s34*z12*z34) + 
   (s13^2*z1*z3)/(s124*s134*s34*z12*z34) - (2*s13^3*z1*z3)/
    (s12*s123*s134*s34*z12*z34) - (8*s14*z1*z3)/(s12*s34*z12*z34) - 
   (5*s14*z1*z3)/(4*s123*s34*z12*z34) - (7*s14*z1*z3)/(4*s124*s34*z12*z34) - 
   (7*s13*s14*z1*z3)/(s12^2*s34*z12*z34) - (13*s13*s14*z1*z3)/
    (4*s12*s123*s34*z12*z34) - (17*s13*s14*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (9*s13^2*s14*z1*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (5*s13^2*s14*z1*z3)/(4*s12^2*s124*s34*z12*z34) - 
   (11*s14*z1*z3)/(4*s134*s34*z12*z34) - (2*s12*s14*z1*z3)/
    (s123*s134*s34*z12*z34) + (s12*s14*z1*z3)/(s124*s134*s34*z12*z34) - 
   (3*s13*s14*z1*z3)/(s12*s134*s34*z12*z34) - 
   (6*s13*s14*z1*z3)/(s123*s134*s34*z12*z34) + 
   (3*s13*s14*z1*z3)/(s124*s134*s34*z12*z34) - (4*s13^2*s14*z1*z3)/
    (s12*s123*s134*s34*z12*z34) + (s13^2*s14*z1*z3)/
    (s12*s124*s134*s34*z12*z34) - (3*s14^2*z1*z3)/(s12^2*s34*z12*z34) - 
   (3*s14^2*z1*z3)/(2*s12*s123*s34*z12*z34) - 
   (3*s14^2*z1*z3)/(s12*s124*s34*z12*z34) - (3*s13*s14^2*z1*z3)/
    (2*s12^2*s123*s34*z12*z34) - (5*s13*s14^2*z1*z3)/
    (2*s12^2*s124*s34*z12*z34) - (5*s14^2*z1*z3)/(4*s12*s134*s34*z12*z34) - 
   (2*s14^2*z1*z3)/(s123*s134*s34*z12*z34) + 
   (2*s14^2*z1*z3)/(s124*s134*s34*z12*z34) - (2*s13*s14^2*z1*z3)/
    (s12*s123*s134*s34*z12*z34) + (2*s13*s14^2*z1*z3)/
    (s12*s124*s134*s34*z12*z34) - (s14^3*z1*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (5*s14^3*z1*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s14^3*z1*z3)/(s12*s124*s134*s34*z12*z34) - 
   (8*s23*z1*z3)/(s12*s34*z12*z34) - (s23*z1*z3)/(4*s123*s34*z12*z34) - 
   (3*s23*z1*z3)/(4*s124*s34*z12*z34) - (10*s13*s23*z1*z3)/
    (s12^2*s34*z12*z34) - (3*s13*s23*z1*z3)/(s12*s123*s34*z12*z34) - 
   (2*s13*s23*z1*z3)/(s12*s124*s34*z12*z34) - (3*s13^2*s23*z1*z3)/
    (s12^2*s123*s34*z12*z34) - (7*s23*z1*z3)/(4*s134*s34*z12*z34) - 
   (13*s13*s23*z1*z3)/(4*s12*s134*s34*z12*z34) - 
   (4*s13*s23*z1*z3)/(s123*s134*s34*z12*z34) + 
   (s13*s23*z1*z3)/(s124*s134*s34*z12*z34) - (4*s13^2*s23*z1*z3)/
    (s12*s123*s134*s34*z12*z34) - (10*s14*s23*z1*z3)/(s12^2*s34*z12*z34) - 
   (13*s14*s23*z1*z3)/(4*s12*s123*s34*z12*z34) - 
   (13*s14*s23*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (5*s13*s14*s23*z1*z3)/(s12^2*s123*s34*z12*z34) - 
   (2*s13*s14*s23*z1*z3)/(s12^2*s124*s34*z12*z34) - 
   (13*s14*s23*z1*z3)/(4*s12*s134*s34*z12*z34) - 
   (4*s14*s23*z1*z3)/(s123*s134*s34*z12*z34) + 
   (s14*s23*z1*z3)/(s124*s134*s34*z12*z34) - (6*s13*s14*s23*z1*z3)/
    (s12*s123*s134*s34*z12*z34) + (s13*s14*s23*z1*z3)/
    (s12*s124*s134*s34*z12*z34) - (2*s14^2*s23*z1*z3)/
    (s12^2*s123*s34*z12*z34) - (2*s14^2*s23*z1*z3)/(s12^2*s124*s34*z12*z34) - 
   (2*s14^2*s23*z1*z3)/(s12*s123*s134*s34*z12*z34) + 
   (s14^2*s23*z1*z3)/(s12*s124*s134*s34*z12*z34) - 
   (6*s23^2*z1*z3)/(s12^2*s34*z12*z34) - (5*s23^2*z1*z3)/
    (4*s12*s123*s34*z12*z34) - (3*s23^2*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (3*s13*s23^2*z1*z3)/(s12^2*s123*s34*z12*z34) - 
   (3*s23^2*z1*z3)/(2*s12*s134*s34*z12*z34) - (2*s13*s23^2*z1*z3)/
    (s12*s123*s134*s34*z12*z34) - (11*s14*s23^2*z1*z3)/
    (4*s12^2*s123*s34*z12*z34) - (3*s14*s23^2*z1*z3)/
    (4*s12^2*s124*s34*z12*z34) - (2*s14*s23^2*z1*z3)/
    (s12*s123*s134*s34*z12*z34) - (s23^3*z1*z3)/(s12^2*s123*s34*z12*z34) - 
   (3*s12*z1*z3)/(2*s234*s34*z12*z34) - (11*s13*z1*z3)/(4*s234*s34*z12*z34) - 
   (5*s13^2*z1*z3)/(4*s12*s234*s34*z12*z34) - 
   (9*s14*z1*z3)/(4*s234*s34*z12*z34) - (2*s13*s14*z1*z3)/
    (s12*s234*s34*z12*z34) - (3*s14^2*z1*z3)/(4*s12*s234*s34*z12*z34) - 
   (17*s23*z1*z3)/(4*s234*s34*z12*z34) + (s12*s23*z1*z3)/
    (s123*s234*s34*z12*z34) - (2*s12*s23*z1*z3)/(s124*s234*s34*z12*z34) - 
   (17*s13*s23*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (2*s13*s23*z1*z3)/(s123*s234*s34*z12*z34) - 
   (2*s13*s23*z1*z3)/(s124*s234*s34*z12*z34) + 
   (s13^2*s23*z1*z3)/(s12*s123*s234*s34*z12*z34) - 
   (13*s14*s23*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (s14*s23*z1*z3)/(s123*s234*s34*z12*z34) - (4*s14*s23*z1*z3)/
    (s124*s234*s34*z12*z34) + (s13*s14*s23*z1*z3)/(s12*s123*s234*s34*z12*
     z34) - (2*s13*s14*s23*z1*z3)/(s12*s124*s234*s34*z12*z34) - 
   (2*s14^2*s23*z1*z3)/(s12*s124*s234*s34*z12*z34) - 
   (3*s23^2*z1*z3)/(s12*s234*s34*z12*z34) + (2*s23^2*z1*z3)/
    (s123*s234*s34*z12*z34) - (2*s23^2*z1*z3)/(s124*s234*s34*z12*z34) + 
   (2*s13*s23^2*z1*z3)/(s12*s123*s234*s34*z12*z34) + 
   (s14*s23^2*z1*z3)/(s12*s123*s234*s34*z12*z34) - 
   (2*s14*s23^2*z1*z3)/(s12*s124*s234*s34*z12*z34) + 
   (s23^3*z1*z3)/(s12*s123*s234*s34*z12*z34) - 
   (7*s24*z1*z3)/(s12*s34*z12*z34) - (s24*z1*z3)/(4*s123*s34*z12*z34) - 
   (3*s24*z1*z3)/(4*s124*s34*z12*z34) - (7*s13*s24*z1*z3)/
    (s12^2*s34*z12*z34) - (3*s13*s24*z1*z3)/(2*s12*s123*s34*z12*z34) - 
   (7*s13*s24*z1*z3)/(2*s12*s124*s34*z12*z34) - 
   (3*s13^2*s24*z1*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (3*s13^2*s24*z1*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (3*s24*z1*z3)/(4*s134*s34*z12*z34) - (3*s13*s24*z1*z3)/
    (2*s12*s134*s34*z12*z34) - (2*s13*s24*z1*z3)/(s123*s134*s34*z12*z34) + 
   (2*s13*s24*z1*z3)/(s124*s134*s34*z12*z34) - (2*s13^2*s24*z1*z3)/
    (s12*s123*s134*s34*z12*z34) + (s13^2*s24*z1*z3)/
    (s12*s124*s134*s34*z12*z34) - (7*s14*s24*z1*z3)/(s12^2*s34*z12*z34) - 
   (7*s14*s24*z1*z3)/(4*s12*s123*s34*z12*z34) - 
   (19*s14*s24*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (2*s13*s14*s24*z1*z3)/(s12^2*s123*s34*z12*z34) - 
   (5*s13*s14*s24*z1*z3)/(s12^2*s124*s34*z12*z34) - 
   (3*s14*s24*z1*z3)/(2*s12*s134*s34*z12*z34) - 
   (2*s14*s24*z1*z3)/(s123*s134*s34*z12*z34) + 
   (2*s14*s24*z1*z3)/(s124*s134*s34*z12*z34) - (2*s13*s14*s24*z1*z3)/
    (s12*s123*s134*s34*z12*z34) + (3*s13*s14*s24*z1*z3)/
    (s12*s124*s134*s34*z12*z34) - (s14^2*s24*z1*z3)/
    (2*s12^2*s123*s34*z12*z34) - (7*s14^2*s24*z1*z3)/
    (2*s12^2*s124*s34*z12*z34) + (2*s14^2*s24*z1*z3)/
    (s12*s124*s134*s34*z12*z34) - (10*s23*s24*z1*z3)/(s12^2*s34*z12*z34) - 
   (3*s23*s24*z1*z3)/(2*s12*s123*s34*z12*z34) - 
   (5*s23*s24*z1*z3)/(2*s12*s124*s34*z12*z34) - (7*s13*s23*s24*z1*z3)/
    (2*s12^2*s123*s34*z12*z34) - (5*s13*s23*s24*z1*z3)/
    (2*s12^2*s124*s34*z12*z34) - (7*s23*s24*z1*z3)/(4*s12*s134*s34*z12*z34) - 
   (2*s13*s23*s24*z1*z3)/(s12*s123*s134*s34*z12*z34) + 
   (s13*s23*s24*z1*z3)/(s12*s124*s134*s34*z12*z34) - 
   (3*s14*s23*s24*z1*z3)/(s12^2*s123*s34*z12*z34) - 
   (4*s14*s23*s24*z1*z3)/(s12^2*s124*s34*z12*z34) - 
   (2*s14*s23*s24*z1*z3)/(s12*s123*s134*s34*z12*z34) + 
   (s14*s23*s24*z1*z3)/(s12*s124*s134*s34*z12*z34) - 
   (2*s23^2*s24*z1*z3)/(s12^2*s123*s34*z12*z34) - 
   (s23^2*s24*z1*z3)/(s12^2*s124*s34*z12*z34) - 
   (17*s24*z1*z3)/(4*s234*s34*z12*z34) + (s12*s24*z1*z3)/
    (s123*s234*s34*z12*z34) - (2*s12*s24*z1*z3)/(s124*s234*s34*z12*z34) - 
   (7*s13*s24*z1*z3)/(2*s12*s234*s34*z12*z34) + 
   (2*s13*s24*z1*z3)/(s123*s234*s34*z12*z34) - 
   (2*s13*s24*z1*z3)/(s124*s234*s34*z12*z34) + 
   (s13^2*s24*z1*z3)/(s12*s123*s234*s34*z12*z34) - 
   (5*s14*s24*z1*z3)/(2*s12*s234*s34*z12*z34) + 
   (s14*s24*z1*z3)/(s123*s234*s34*z12*z34) - (4*s14*s24*z1*z3)/
    (s124*s234*s34*z12*z34) + (s13*s14*s24*z1*z3)/(s12*s123*s234*s34*z12*
     z34) - (2*s13*s14*s24*z1*z3)/(s12*s124*s234*s34*z12*z34) - 
   (2*s14^2*s24*z1*z3)/(s12*s124*s234*s34*z12*z34) - 
   (19*s23*s24*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (3*s23*s24*z1*z3)/(s123*s234*s34*z12*z34) - 
   (6*s23*s24*z1*z3)/(s124*s234*s34*z12*z34) + (3*s13*s23*s24*z1*z3)/
    (s12*s123*s234*s34*z12*z34) - (2*s13*s23*s24*z1*z3)/
    (s12*s124*s234*s34*z12*z34) + (s14*s23*s24*z1*z3)/
    (s12*s123*s234*s34*z12*z34) - (6*s14*s23*s24*z1*z3)/
    (s12*s124*s234*s34*z12*z34) + (2*s23^2*s24*z1*z3)/
    (s12*s123*s234*s34*z12*z34) - (2*s23^2*s24*z1*z3)/
    (s12*s124*s234*s34*z12*z34) - (4*s24^2*z1*z3)/(s12^2*s34*z12*z34) - 
   (s24^2*z1*z3)/(4*s12*s123*s34*z12*z34) - (7*s24^2*z1*z3)/
    (4*s12*s124*s34*z12*z34) - (s13*s24^2*z1*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (5*s13*s24^2*z1*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (s24^2*z1*z3)/(4*s12*s134*s34*z12*z34) + (s13*s24^2*z1*z3)/
    (s12*s124*s134*s34*z12*z34) - (s14*s24^2*z1*z3)/
    (4*s12^2*s123*s34*z12*z34) - (13*s14*s24^2*z1*z3)/
    (4*s12^2*s124*s34*z12*z34) + (s14*s24^2*z1*z3)/
    (s12*s124*s134*s34*z12*z34) - (s23*s24^2*z1*z3)/
    (s12^2*s123*s34*z12*z34) - (2*s23*s24^2*z1*z3)/(s12^2*s124*s34*z12*z34) - 
   (7*s24^2*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (s24^2*z1*z3)/(s123*s234*s34*z12*z34) - (4*s24^2*z1*z3)/
    (s124*s234*s34*z12*z34) + (s13*s24^2*z1*z3)/(s12*s123*s234*s34*z12*z34) - 
   (2*s13*s24^2*z1*z3)/(s12*s124*s234*s34*z12*z34) - 
   (4*s14*s24^2*z1*z3)/(s12*s124*s234*s34*z12*z34) + 
   (s23*s24^2*z1*z3)/(s12*s123*s234*s34*z12*z34) - 
   (4*s23*s24^2*z1*z3)/(s12*s124*s234*s34*z12*z34) - 
   (s24^3*z1*z3)/(s12^2*s124*s34*z12*z34) - (2*s24^3*z1*z3)/
    (s12*s124*s234*s34*z12*z34) - (s34*z1*z3)/(2*s12*s123*z12*z34) - 
   (3*s34*z1*z3)/(2*s12*s124*z12*z34) - (s13*s34*z1*z3)/
    (s12^2*s123*z12*z34) - (2*s34*z1*z3)/(s123*s134*z12*z34) + 
   (s34*z1*z3)/(s124*s134*z12*z34) - (2*s13*s34*z1*z3)/
    (s12*s123*s134*z12*z34) - (s14*s34*z1*z3)/(s12^2*s124*z12*z34) + 
   (s14*s34*z1*z3)/(s12*s124*s134*z12*z34) - (2*s23*s34*z1*z3)/
    (s12^2*s123*z12*z34) - (2*s23*s34*z1*z3)/(s12*s123*s134*z12*z34) + 
   (s34*z1*z3)/(s123*s234*z12*z34) - (2*s34*z1*z3)/(s124*s234*z12*z34) + 
   (s13*s34*z1*z3)/(s12*s123*s234*z12*z34) - (2*s14*s34*z1*z3)/
    (s12*s124*s234*z12*z34) + (s23*s34*z1*z3)/(s12*s123*s234*z12*z34) - 
   (2*s24*s34*z1*z3)/(s12^2*s124*z12*z34) + (s24*s34*z1*z3)/
    (s12*s124*s134*z12*z34) - (2*s24*s34*z1*z3)/(s12*s124*s234*z12*z34) + 
   (4*z1*z2*z3)/(s12*z12^2*z34) + (2*z1*z2*z3)/(s123*z12^2*z34) + 
   (2*z1*z2*z3)/(s124*z12^2*z34) + (4*s13*z1*z2*z3)/(s12^2*z12^2*z34) + 
   (5*s13*z1*z2*z3)/(s12*s123*z12^2*z34) + (3*s13*z1*z2*z3)/
    (s12*s124*z12^2*z34) + (3*s13^2*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (2*s14*z1*z2*z3)/(s12^2*z12^2*z34) + (3*s14*z1*z2*z3)/
    (s12*s123*z12^2*z34) + (5*s14*z1*z2*z3)/(s12*s124*z12^2*z34) + 
   (3*s13*s14*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (3*s13*s14*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (3*s14^2*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (4*s23*z1*z2*z3)/(s12^2*z12^2*z34) + (5*s23*z1*z2*z3)/
    (s12*s123*z12^2*z34) + (3*s23*z1*z2*z3)/(s12*s124*z12^2*z34) + 
   (6*s13*s23*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (3*s14*s23*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (3*s14*s23*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (3*s23^2*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (2*s24*z1*z2*z3)/(s12^2*z12^2*z34) + (3*s24*z1*z2*z3)/
    (s12*s123*z12^2*z34) + (5*s24*z1*z2*z3)/(s12*s124*z12^2*z34) + 
   (3*s13*s24*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (3*s13*s24*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (6*s14*s24*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (3*s23*s24*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (3*s23*s24*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (3*s24^2*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (2*s13*z1*z2*z3)/(s34^2*z12^2*z34) + (4*s13^2*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) + (2*s13^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (4*s14*z1*z2*z3)/(s34^2*z12^2*z34) + (10*s13*s14*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) + (6*s13^2*s14*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (6*s14^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) + (6*s13*s14^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (2*s14^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (2*s23*z1*z2*z3)/(s34^2*z12^2*z34) + (8*s13*s23*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) + (6*s13^2*s23*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (10*s14*s23*z1*z2*z3)/(s12*s34^2*z12^2*z34) + (12*s13*s14*s23*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (6*s14^2*s23*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (4*s23^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (6*s13*s23^2*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (6*s14*s23^2*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (2*s23^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (4*s24*z1*z2*z3)/(s34^2*z12^2*z34) + (10*s13*s24*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) + (6*s13^2*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (12*s14*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) + (12*s13*s14*s24*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (6*s14^2*s24*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (10*s23*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (12*s13*s23*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (12*s14*s23*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (6*s23^2*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (6*s24^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) + (6*s13*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (6*s14*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (6*s23*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (2*s24^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (4*z1*z2*z3)/(s34*z12^2*z34) + (10*s13*z1*z2*z3)/(s12*s34*z12^2*z34) + 
   (s13*z1*z2*z3)/(s123*s34*z12^2*z34) + (s13*z1*z2*z3)/
    (s124*s34*z12^2*z34) + (6*s13^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (2*s13^2*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (s13^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (s13^3*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (10*s14*z1*z2*z3)/(s12*s34*z12^2*z34) + 
   (s14*z1*z2*z3)/(s123*s34*z12^2*z34) + (s14*z1*z2*z3)/
    (s124*s34*z12^2*z34) + (10*s13*s14*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (3*s13*s14*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (3*s13*s14*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (2*s13^2*s14*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (s13^2*s14*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (4*s14^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (s14^2*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (2*s14^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (s13*s14^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s14^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (s14^3*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (10*s23*z1*z2*z3)/(s12*s34*z12^2*z34) + 
   (s23*z1*z2*z3)/(s123*s34*z12^2*z34) + (s23*z1*z2*z3)/
    (s124*s34*z12^2*z34) + (12*s13*s23*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (4*s13*s23*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (2*s13*s23*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (3*s13^2*s23*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (10*s14*s23*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (3*s14*s23*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (3*s14*s23*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (4*s13*s14*s23*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s14*s23*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (s14^2*s23*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s14^2*s23*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (6*s23^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) + (2*s23^2*z1*z2*z3)/
    (s12*s123*s34*z12^2*z34) + (s23^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (3*s13*s23^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s14*s23^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (s14*s23^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (s23^3*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (10*s24*z1*z2*z3)/(s12*s34*z12^2*z34) + 
   (s24*z1*z2*z3)/(s123*s34*z12^2*z34) + (s24*z1*z2*z3)/
    (s124*s34*z12^2*z34) + (10*s13*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (3*s13*s24*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (3*s13*s24*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (2*s13^2*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (s13^2*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (8*s14*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (2*s14*s24*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (4*s14*s24*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (2*s13*s14*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (4*s13*s14*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (3*s14^2*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (10*s23*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (3*s23*s24*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (3*s23*s24*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (4*s13*s23*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s23*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (2*s14*s23*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (4*s14*s23*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (2*s23^2*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (s23^2*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (4*s24^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (s24^2*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (2*s24^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (s13*s24^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (3*s14*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (s23*s24^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s23*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (s24^3*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (2*s34*z1*z2*z3)/(s12*s123*z12^2*z34) + (2*s34*z1*z2*z3)/
    (s12*s124*z12^2*z34) + (2*s13*s34*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (2*s14*s34*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (2*s23*s34*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (2*s24*s34*z1*z2*z3)/(s12^2*s124*z12^2*z34) - (z2*z3)/(s12*z12*z34) + 
   (z2*z3)/(2*s123*z12*z34) - (z2*z3)/(2*s124*z12*z34) - 
   (2*s13*z2*z3)/(s12^2*z12*z34) + (s13*z2*z3)/(4*s12*s123*z12*z34) - 
   (s13*z2*z3)/(4*s12*s124*z12*z34) - (s13^2*z2*z3)/(s12^2*s123*z12*z34) - 
   (s13*z2*z3)/(2*s12*s134*z12*z34) - (s14*z2*z3)/(s12^2*z12*z34) + 
   (7*s14*z2*z3)/(4*s12*s123*z12*z34) - (3*s14*z2*z3)/(4*s12*s124*z12*z34) - 
   (3*s13*s14*z2*z3)/(4*s12^2*s123*z12*z34) - 
   (3*s13*s14*z2*z3)/(4*s12^2*s124*z12*z34) + 
   (s14^2*z2*z3)/(4*s12^2*s123*z12*z34) - (3*s14^2*z2*z3)/
    (4*s12^2*s124*z12*z34) + (3*s23*z2*z3)/(4*s12*s123*z12*z34) - 
   (3*s23*z2*z3)/(4*s12*s124*z12*z34) - (s13*s23*z2*z3)/
    (s12^2*s123*z12*z34) + (3*s14*s23*z2*z3)/(4*s12^2*s123*z12*z34) - 
   (5*s14*s23*z2*z3)/(4*s12^2*s124*z12*z34) - 
   (s13*z2*z3)/(2*s12*s234*z12*z34) + (3*s24*z2*z3)/(4*s12*s123*z12*z34) - 
   (3*s24*z2*z3)/(4*s12*s124*z12*z34) - (3*s13*s24*z2*z3)/
    (2*s12^2*s123*z12*z34) + (s13*s24*z2*z3)/(2*s12^2*s124*z12*z34) + 
   (s14*s24*z2*z3)/(4*s12^2*s123*z12*z34) - (3*s14*s24*z2*z3)/
    (4*s12^2*s124*z12*z34) + (s13*z2*z3)/(s34^2*z12*z34) + 
   (s13^2*z2*z3)/(s12*s34^2*z12*z34) - (s13^2*z2*z3)/(4*s134*s34^2*z12*z34) - 
   (s13^3*z2*z3)/(4*s12*s134*s34^2*z12*z34) + (2*s14*z2*z3)/(s34^2*z12*z34) + 
   (3*s13*s14*z2*z3)/(s12*s34^2*z12*z34) - (s13*s14*z2*z3)/
    (4*s134*s34^2*z12*z34) - (s13^2*s14*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (2*s14^2*z2*z3)/(s12*s34^2*z12*z34) - (s13*s14^2*z2*z3)/
    (4*s12*s134*s34^2*z12*z34) + (s13*s23*z2*z3)/(s12*s34^2*z12*z34) - 
   (s13*s23*z2*z3)/(4*s134*s34^2*z12*z34) - (s13^2*s23*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) + (3*s14*s23*z2*z3)/(s12*s34^2*z12*z34) + 
   (s13*s14*s23*z2*z3)/(s12^2*s34^2*z12*z34) - (s13*s14*s23*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) + (s14^2*s23*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s13*s23^2*z2*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s14*s23^2*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s13^2*z2*z3)/(4*s234*s34^2*z12*z34) - 
   (s13^3*z2*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (s13*s14*z2*z3)/(4*s234*s34^2*z12*z34) - (s13^2*s14*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s13*s14^2*z2*z3)/
    (4*s12*s234*s34^2*z12*z34) - (s13*s23*z2*z3)/(4*s234*s34^2*z12*z34) - 
   (s13^2*s23*z2*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (s13*s14*s23*z2*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (s13*s23^2*z2*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (s13^2*s24*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s13*s24*z2*z3)/(4*s134*s34^2*z12*z34) - (s13^2*s24*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) + (2*s14*s24*z2*z3)/(s12*s34^2*z12*z34) - 
   (s13*s14*s24*z2*z3)/(s12^2*s34^2*z12*z34) - (s13*s14*s24*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) - (s13*s23*s24*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s13*s23*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23*s24*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s13*s24*z2*z3)/(4*s234*s34^2*z12*z34) - (s13^2*s24*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s13*s14*s24*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s13*s23*s24*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s13*s24^2*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s13*s24^2*z2*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (s13*s24^2*z2*z3)/(4*s12*s234*s34^2*z12*z34) - (z2*z3)/(s34*z12*z34) - 
   (2*s13*z2*z3)/(s12*s34*z12*z34) + (3*s13*z2*z3)/(4*s123*s34*z12*z34) + 
   (s13*z2*z3)/(4*s124*s34*z12*z34) - (2*s13^2*z2*z3)/(s12^2*s34*z12*z34) + 
   (3*s13^2*z2*z3)/(4*s12*s123*s34*z12*z34) + 
   (s13^2*z2*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13*z2*z3)/(2*s134*s34*z12*z34) - (3*s13^2*z2*z3)/
    (4*s12*s134*s34*z12*z34) + (5*s14*z2*z3)/(4*s123*s34*z12*z34) + 
   (3*s14*z2*z3)/(4*s124*s34*z12*z34) - (3*s13*s14*z2*z3)/
    (s12^2*s34*z12*z34) + (9*s13*s14*z2*z3)/(4*s12*s123*s34*z12*z34) + 
   (5*s13*s14*z2*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s14*z2*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z2*z3)/(4*s12^2*s124*s34*z12*z34) - 
   (3*s13*s14*z2*z3)/(4*s12*s134*s34*z12*z34) - 
   (s14^2*z2*z3)/(s12^2*s34*z12*z34) + (3*s14^2*z2*z3)/
    (2*s12*s123*s34*z12*z34) + (s14^2*z2*z3)/(s12*s124*s34*z12*z34) + 
   (s13*s14^2*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14^2*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s14^3*z2*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^3*z2*z3)/(4*s12^2*s124*s34*z12*z34) - (s23*z2*z3)/(s12*s34*z12*z34) + 
   (s23*z2*z3)/(4*s123*s34*z12*z34) - (s23*z2*z3)/(4*s124*s34*z12*z34) - 
   (2*s13*s23*z2*z3)/(s12^2*s34*z12*z34) + (s13*s23*z2*z3)/
    (s12*s123*s34*z12*z34) - (3*s13*s23*z2*z3)/(4*s12*s134*s34*z12*z34) + 
   (9*s14*s23*z2*z3)/(4*s12*s123*s34*z12*z34) + 
   (s14*s23*z2*z3)/(4*s12*s124*s34*z12*z34) + (s13*s14*s23*z2*z3)/
    (s12^2*s123*s34*z12*z34) + (s14^2*s23*z2*z3)/(s12^2*s123*s34*z12*z34) + 
   (s23^2*z2*z3)/(4*s12*s123*s34*z12*z34) - 
   (s23^2*z2*z3)/(4*s12*s124*s34*z12*z34) + (3*s14*s23^2*z2*z3)/
    (4*s12^2*s123*s34*z12*z34) - (s14*s23^2*z2*z3)/
    (4*s12^2*s124*s34*z12*z34) - (s13*z2*z3)/(2*s234*s34*z12*z34) - 
   (3*s13^2*z2*z3)/(4*s12*s234*s34*z12*z34) - 
   (3*s13*s14*z2*z3)/(4*s12*s234*s34*z12*z34) - 
   (3*s13*s23*z2*z3)/(4*s12*s234*s34*z12*z34) - 
   (s24*z2*z3)/(s12*s34*z12*z34) + (s24*z2*z3)/(4*s123*s34*z12*z34) - 
   (s24*z2*z3)/(4*s124*s34*z12*z34) - (3*s13*s24*z2*z3)/(s12^2*s34*z12*z34) + 
   (s13*s24*z2*z3)/(2*s12*s123*s34*z12*z34) + 
   (s13*s24*z2*z3)/(2*s12*s124*s34*z12*z34) - 
   (s13^2*s24*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z2*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (3*s13*s24*z2*z3)/(4*s12*s134*s34*z12*z34) - 
   (s14*s24*z2*z3)/(s12^2*s34*z12*z34) + (7*s14*s24*z2*z3)/
    (4*s12*s123*s34*z12*z34) + (3*s14*s24*z2*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14*s24*z2*z3)/(s12^2*s124*s34*z12*z34) + 
   (s14^2*s24*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s24*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s23*s24*z2*z3)/(2*s12*s123*s34*z12*z34) - 
   (s23*s24*z2*z3)/(2*s12*s124*s34*z12*z34) - (s13*s23*s24*z2*z3)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s23*s24*z2*z3)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s23*s24*z2*z3)/
    (s12^2*s123*s34*z12*z34) - (3*s13*s24*z2*z3)/(4*s12*s234*s34*z12*z34) + 
   (s24^2*z2*z3)/(4*s12*s123*s34*z12*z34) - 
   (s24^2*z2*z3)/(4*s12*s124*s34*z12*z34) - (s13*s24^2*z2*z3)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s24^2*z2*z3)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s24^2*z2*z3)/
    (4*s12^2*s123*s34*z12*z34) + (s14*s24^2*z2*z3)/
    (4*s12^2*s124*s34*z12*z34) + (s34*z2*z3)/(2*s12*s123*z12*z34) - 
   (s34*z2*z3)/(2*s12*s124*z12*z34) - (s13*s34*z2*z3)/(s12^2*s123*z12*z34) - 
   (s14*s34*z2*z3)/(s12^2*s124*z12*z34) + (2*z3^2)/(s12*z12*z34) + 
   z3^2/(2*s123*z12*z34) - z3^2/(2*s124*z12*z34) + 
   (s13*z3^2)/(s12*s123*z12*z34) + z3^2/(2*s134*z12*z34) + 
   (3*s14*z3^2)/(2*s12*s123*z12*z34) - (s14*z3^2)/(2*s12*s124*z12*z34) + 
   (s23*z3^2)/(s12*s123*z12*z34) + z3^2/(2*s234*z12*z34) + 
   (3*s24*z3^2)/(2*s12*s123*z12*z34) - (s24*z3^2)/(2*s12*s124*z12*z34) - 
   (s12*z3^2)/(s34^2*z12*z34) - (s13*z3^2)/(s34^2*z12*z34) + 
   (s12*s13*z3^2)/(4*s134*s34^2*z12*z34) + 
   (s13^2*z3^2)/(4*s134*s34^2*z12*z34) + (s13*s14*z3^2)/(s12*s34^2*z12*z34) - 
   (s12*s14*z3^2)/(4*s134*s34^2*z12*z34) - 
   (s13*s14*z3^2)/(4*s134*s34^2*z12*z34) - (s13^2*s14*z3^2)/
    (4*s12*s134*s34^2*z12*z34) + (s14^2*z3^2)/(s12*s34^2*z12*z34) - 
   (s14^2*z3^2)/(2*s134*s34^2*z12*z34) - (s13*s14^2*z3^2)/
    (2*s12*s134*s34^2*z12*z34) - (s14^3*z3^2)/(4*s12*s134*s34^2*z12*z34) - 
   (s23*z3^2)/(s34^2*z12*z34) + (s12*s23*z3^2)/(4*s134*s34^2*z12*z34) + 
   (s13*s23*z3^2)/(2*s134*s34^2*z12*z34) + 
   (s14*s23*z3^2)/(s12*s34^2*z12*z34) - (s14*s23*z3^2)/
    (4*s134*s34^2*z12*z34) - (s13*s14*s23*z3^2)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^2*s23*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s23^2*z3^2)/(4*s134*s34^2*z12*z34) - (s14*s23^2*z3^2)/
    (4*s12*s134*s34^2*z12*z34) + (s12*s13*z3^2)/(4*s234*s34^2*z12*z34) + 
   (s13^2*z3^2)/(4*s234*s34^2*z12*z34) + (3*s12*s14*z3^2)/
    (4*s234*s34^2*z12*z34) + (5*s13*s14*z3^2)/(4*s234*s34^2*z12*z34) + 
   (s13^2*s14*z3^2)/(4*s12*s234*s34^2*z12*z34) + 
   (s14^2*z3^2)/(s234*s34^2*z12*z34) + (s13*s14^2*z3^2)/
    (2*s12*s234*s34^2*z12*z34) + (s14^3*z3^2)/(4*s12*s234*s34^2*z12*z34) + 
   (s12*s23*z3^2)/(4*s234*s34^2*z12*z34) + 
   (s13*s23*z3^2)/(2*s234*s34^2*z12*z34) + (5*s14*s23*z3^2)/
    (4*s234*s34^2*z12*z34) + (s13*s14*s23*z3^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s14^2*s23*z3^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s23^2*z3^2)/(4*s234*s34^2*z12*z34) + (s14*s23^2*z3^2)/
    (4*s12*s234*s34^2*z12*z34) + (s13*s24*z3^2)/(s12*s34^2*z12*z34) + 
   (s12*s24*z3^2)/(4*s134*s34^2*z12*z34) + 
   (s13*s24*z3^2)/(2*s134*s34^2*z12*z34) + (2*s14*s24*z3^2)/
    (s12*s34^2*z12*z34) - (s14*s24*z3^2)/(4*s134*s34^2*z12*z34) - 
   (s13*s14*s24*z3^2)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^2*s24*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s23*s24*z3^2)/(s12*s34^2*z12*z34) + (s23*s24*z3^2)/
    (2*s134*s34^2*z12*z34) - (s14*s23*s24*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s12*s24*z3^2)/(4*s234*s34^2*z12*z34) + 
   (s13*s24*z3^2)/(2*s234*s34^2*z12*z34) + (5*s14*s24*z3^2)/
    (4*s234*s34^2*z12*z34) + (s13*s14*s24*z3^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s14^2*s24*z3^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s23*s24*z3^2)/(2*s234*s34^2*z12*z34) + (s14*s23*s24*z3^2)/
    (2*s12*s234*s34^2*z12*z34) + (s24^2*z3^2)/(s12*s34^2*z12*z34) + 
   (s24^2*z3^2)/(4*s134*s34^2*z12*z34) - (s14*s24^2*z3^2)/
    (4*s12*s134*s34^2*z12*z34) + (s24^2*z3^2)/(4*s234*s34^2*z12*z34) + 
   (s14*s24^2*z3^2)/(4*s12*s234*s34^2*z12*z34) + z3^2/(s34*z12*z34) - 
   (s12*z3^2)/(2*s123*s34*z12*z34) - (s12*z3^2)/(2*s124*s34*z12*z34) + 
   (2*s13*z3^2)/(s12*s34*z12*z34) - (s13*z3^2)/(2*s123*s34*z12*z34) - 
   (s13*z3^2)/(2*s124*s34*z12*z34) + (s12*z3^2)/(2*s134*s34*z12*z34) + 
   (3*s13*z3^2)/(4*s134*s34*z12*z34) + (3*s14*z3^2)/(s12*s34*z12*z34) - 
   (s14*z3^2)/(s124*s34*z12*z34) + (s13*s14*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s13*s14*z3^2)/(2*s12*s124*s34*z12*z34) + 
   (s14*z3^2)/(4*s134*s34*z12*z34) - (s13*s14*z3^2)/
    (4*s12*s134*s34*z12*z34) + (s14^2*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s14^2*z3^2)/(2*s12*s124*s34*z12*z34) - 
   (s14^2*z3^2)/(4*s12*s134*s34*z12*z34) + (2*s23*z3^2)/(s12*s34*z12*z34) - 
   (s23*z3^2)/(2*s123*s34*z12*z34) - (s23*z3^2)/(2*s124*s34*z12*z34) + 
   (3*s23*z3^2)/(4*s134*s34*z12*z34) + (s14*s23*z3^2)/
    (2*s12*s123*s34*z12*z34) - (s14*s23*z3^2)/(2*s12*s124*s34*z12*z34) - 
   (s14*s23*z3^2)/(4*s12*s134*s34*z12*z34) + 
   (s12*z3^2)/(2*s234*s34*z12*z34) + (3*s13*z3^2)/(4*s234*s34*z12*z34) + 
   (5*s14*z3^2)/(4*s234*s34*z12*z34) + (s13*s14*z3^2)/
    (4*s12*s234*s34*z12*z34) + (s14^2*z3^2)/(4*s12*s234*s34*z12*z34) + 
   (3*s23*z3^2)/(4*s234*s34*z12*z34) + (s14*s23*z3^2)/
    (4*s12*s234*s34*z12*z34) + (3*s24*z3^2)/(s12*s34*z12*z34) - 
   (s24*z3^2)/(s124*s34*z12*z34) + (s13*s24*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s13*s24*z3^2)/(2*s12*s124*s34*z12*z34) + 
   (3*s24*z3^2)/(4*s134*s34*z12*z34) + (s14*s24*z3^2)/
    (s12*s123*s34*z12*z34) - (s14*s24*z3^2)/(s12*s124*s34*z12*z34) - 
   (s14*s24*z3^2)/(4*s12*s134*s34*z12*z34) + 
   (s23*s24*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s23*s24*z3^2)/(2*s12*s124*s34*z12*z34) + 
   (3*s24*z3^2)/(4*s234*s34*z12*z34) + (s14*s24*z3^2)/
    (4*s12*s234*s34*z12*z34) + (s24^2*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s24^2*z3^2)/(2*s12*s124*s34*z12*z34) + (s34*z3^2)/(s12*s123*z12*z34) + 
   z4/(s12*z12) + z4/(2*s124*z12) - (s13*z4)/(2*s12*s123*z12) + 
   z4/(2*s134*z12) + (s13*z4)/(s123*s134*z12) - (s13*z4)/(2*s124*s134*z12) + 
   (s13^2*z4)/(s12*s123*s134*z12) + (s14*z4)/(2*s12*s124*z12) - 
   (s13*s14*z4)/(2*s12*s124*s134*z12) - (s23*z4)/(2*s12*s123*z12) + 
   (s13*s23*z4)/(s12*s123*s134*z12) + (s13*z4)/(2*s123*s234*z12) - 
   (s13*z4)/(s124*s234*z12) + (s13^2*z4)/(2*s12*s123*s234*z12) - 
   (s13*s14*z4)/(s12*s124*s234*z12) + (s13*s23*z4)/(2*s12*s123*s234*z12) + 
   (s24*z4)/(2*s12*s124*z12) - (s13*s24*z4)/(2*s12*s124*s134*z12) - 
   (s13*s24*z4)/(s12*s124*s234*z12) - (s13*z4)/(s34^2*z12) - 
   (s13^2*z4)/(s12*s34^2*z12) + (s12*s13*z4)/(2*s134*s34^2*z12) + 
   (5*s13^2*z4)/(4*s134*s34^2*z12) + (3*s13^3*z4)/(4*s12*s134*s34^2*z12) - 
   (s13*s14*z4)/(s12*s34^2*z12) + (3*s13*s14*z4)/(4*s134*s34^2*z12) + 
   (s13^2*s14*z4)/(s12*s134*s34^2*z12) + (s13*s14^2*z4)/
    (4*s12*s134*s34^2*z12) - (s23*z4)/(s34^2*z12) - 
   (2*s13*s23*z4)/(s12*s34^2*z12) + (5*s13*s23*z4)/(4*s134*s34^2*z12) + 
   (3*s13^2*s23*z4)/(2*s12*s134*s34^2*z12) - (s14*s23*z4)/(s12*s34^2*z12) + 
   (s13*s14*s23*z4)/(s12*s134*s34^2*z12) - (s23^2*z4)/(s12*s34^2*z12) + 
   (3*s13*s23^2*z4)/(4*s12*s134*s34^2*z12) - 
   (s12*s13*z4)/(2*s234*s34^2*z12) - (5*s13^2*z4)/(4*s234*s34^2*z12) - 
   (3*s13^3*z4)/(4*s12*s234*s34^2*z12) - (3*s13*s14*z4)/(4*s234*s34^2*z12) - 
   (s13^2*s14*z4)/(s12*s234*s34^2*z12) - (s13*s14^2*z4)/
    (4*s12*s234*s34^2*z12) - (5*s13*s23*z4)/(4*s234*s34^2*z12) - 
   (3*s13^2*s23*z4)/(2*s12*s234*s34^2*z12) - (s13*s14*s23*z4)/
    (s12*s234*s34^2*z12) - (3*s13*s23^2*z4)/(4*s12*s234*s34^2*z12) - 
   (s13*s24*z4)/(s12*s34^2*z12) + (3*s13*s24*z4)/(4*s134*s34^2*z12) + 
   (s13^2*s24*z4)/(s12*s134*s34^2*z12) + (s13*s14*s24*z4)/
    (2*s12*s134*s34^2*z12) - (s23*s24*z4)/(s12*s34^2*z12) + 
   (s13*s23*s24*z4)/(s12*s134*s34^2*z12) - 
   (3*s13*s24*z4)/(4*s234*s34^2*z12) - (s13^2*s24*z4)/(s12*s234*s34^2*z12) - 
   (s13*s14*s24*z4)/(2*s12*s234*s34^2*z12) - (s13*s23*s24*z4)/
    (s12*s234*s34^2*z12) + (s13*s24^2*z4)/(4*s12*s134*s34^2*z12) - 
   (s13*s24^2*z4)/(4*s12*s234*s34^2*z12) + z4/(s34*z12) - 
   (s13*z4)/(2*s123*s34*z12) - (s13*z4)/(2*s124*s34*z12) - 
   (s13^2*z4)/(2*s12*s123*s34*z12) - (s13^2*z4)/(2*s12*s124*s34*z12) + 
   (s12*z4)/(2*s134*s34*z12) + (s13*z4)/(s134*s34*z12) + 
   (s12*s13*z4)/(s123*s134*s34*z12) - (s12*s13*z4)/(2*s124*s134*s34*z12) + 
   (3*s13^2*z4)/(4*s12*s134*s34*z12) + (2*s13^2*z4)/(s123*s134*s34*z12) - 
   (s13^2*z4)/(2*s124*s134*s34*z12) + (s13^3*z4)/(s12*s123*s134*s34*z12) + 
   (s14*z4)/(s12*s34*z12) - (s13*s14*z4)/(2*s12*s123*s34*z12) - 
   (s13*s14*z4)/(2*s12*s124*s34*z12) + (s14*z4)/(2*s134*s34*z12) + 
   (s13*s14*z4)/(4*s12*s134*s34*z12) + (s13*s14*z4)/(s123*s134*s34*z12) - 
   (s13*s14*z4)/(s124*s134*s34*z12) + (s13^2*s14*z4)/
    (s12*s123*s134*s34*z12) - (s13^2*s14*z4)/(2*s12*s124*s134*s34*z12) - 
   (s13*s14^2*z4)/(2*s12*s124*s134*s34*z12) - (s23*z4)/(2*s123*s34*z12) - 
   (s23*z4)/(2*s124*s34*z12) - (s13*s23*z4)/(s12*s123*s34*z12) - 
   (s13*s23*z4)/(s12*s124*s34*z12) + (s23*z4)/(2*s134*s34*z12) + 
   (3*s13*s23*z4)/(4*s12*s134*s34*z12) + (2*s13*s23*z4)/(s123*s134*s34*z12) - 
   (s13*s23*z4)/(2*s124*s134*s34*z12) + (2*s13^2*s23*z4)/
    (s12*s123*s134*s34*z12) - (s14*s23*z4)/(2*s12*s123*s34*z12) - 
   (s14*s23*z4)/(2*s12*s124*s34*z12) + (s13*s14*s23*z4)/
    (s12*s123*s134*s34*z12) - (s13*s14*s23*z4)/(2*s12*s124*s134*s34*z12) - 
   (s23^2*z4)/(2*s12*s123*s34*z12) - (s23^2*z4)/(2*s12*s124*s34*z12) + 
   (s13*s23^2*z4)/(s12*s123*s134*s34*z12) - (s13*z4)/(2*s234*s34*z12) + 
   (s12*s13*z4)/(2*s123*s234*s34*z12) - (s12*s13*z4)/(s124*s234*s34*z12) - 
   (3*s13^2*z4)/(4*s12*s234*s34*z12) + (s13^2*z4)/(s123*s234*s34*z12) - 
   (s13^2*z4)/(s124*s234*s34*z12) + (s13^3*z4)/(2*s12*s123*s234*s34*z12) - 
   (s13*s14*z4)/(4*s12*s234*s34*z12) + (s13*s14*z4)/(2*s123*s234*s34*z12) - 
   (2*s13*s14*z4)/(s124*s234*s34*z12) + (s13^2*s14*z4)/
    (2*s12*s123*s234*s34*z12) - (s13^2*s14*z4)/(s12*s124*s234*s34*z12) - 
   (s13*s14^2*z4)/(s12*s124*s234*s34*z12) - 
   (3*s13*s23*z4)/(4*s12*s234*s34*z12) + (s13*s23*z4)/(s123*s234*s34*z12) - 
   (s13*s23*z4)/(s124*s234*s34*z12) + (s13^2*s23*z4)/
    (s12*s123*s234*s34*z12) + (s13*s14*s23*z4)/(2*s12*s123*s234*s34*z12) - 
   (s13*s14*s23*z4)/(s12*s124*s234*s34*z12) + 
   (s13*s23^2*z4)/(2*s12*s123*s234*s34*z12) + (s24*z4)/(s12*s34*z12) - 
   (s13*s24*z4)/(2*s12*s123*s34*z12) - (s13*s24*z4)/(2*s12*s124*s34*z12) + 
   (s24*z4)/(2*s134*s34*z12) + (s13*s24*z4)/(4*s12*s134*s34*z12) + 
   (s13*s24*z4)/(s123*s134*s34*z12) - (s13*s24*z4)/(s124*s134*s34*z12) + 
   (s13^2*s24*z4)/(s12*s123*s134*s34*z12) - 
   (s13^2*s24*z4)/(2*s12*s124*s134*s34*z12) - 
   (s13*s14*s24*z4)/(s12*s124*s134*s34*z12) - 
   (s23*s24*z4)/(2*s12*s123*s34*z12) - (s23*s24*z4)/(2*s12*s124*s34*z12) + 
   (s13*s23*s24*z4)/(s12*s123*s134*s34*z12) - 
   (s13*s23*s24*z4)/(2*s12*s124*s134*s34*z12) - 
   (s13*s24*z4)/(4*s12*s234*s34*z12) + (s13*s24*z4)/(2*s123*s234*s34*z12) - 
   (2*s13*s24*z4)/(s124*s234*s34*z12) + (s13^2*s24*z4)/
    (2*s12*s123*s234*s34*z12) - (s13^2*s24*z4)/(s12*s124*s234*s34*z12) - 
   (2*s13*s14*s24*z4)/(s12*s124*s234*s34*z12) + 
   (s13*s23*s24*z4)/(2*s12*s123*s234*s34*z12) - 
   (s13*s23*s24*z4)/(s12*s124*s234*s34*z12) - 
   (s13*s24^2*z4)/(2*s12*s124*s134*s34*z12) - 
   (s13*s24^2*z4)/(s12*s124*s234*s34*z12) + (s34*z4)/(2*s12*s124*z12) - 
   (2*s13*z3*z4)/(s12^2*z34^2) + (z3*z4)/(s134*z34^2) - 
   (s13*z3*z4)/(s12*s134*z34^2) - (2*s14*z3*z4)/(s12^2*z34^2) - 
   (s14*z3*z4)/(s12*s134*z34^2) + (z3*z4)/(s234*z34^2) - 
   (s13*z3*z4)/(s12*s234*z34^2) - (s14*z3*z4)/(s12*s234*z34^2) + 
   (2*s13*z3*z4)/(s34^2*z34^2) - (2*s13^3*z3*z4)/(s12^2*s34^2*z34^2) + 
   (s12*s13*z3*z4)/(s134*s34^2*z34^2) - (s13^3*z3*z4)/
    (s12*s134*s34^2*z34^2) + (2*s14*z3*z4)/(s34^2*z34^2) - 
   (6*s13^2*s14*z3*z4)/(s12^2*s34^2*z34^2) + 
   (s12*s14*z3*z4)/(s134*s34^2*z34^2) - (3*s13^2*s14*z3*z4)/
    (s12*s134*s34^2*z34^2) - (6*s13*s14^2*z3*z4)/(s12^2*s34^2*z34^2) - 
   (3*s13*s14^2*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (2*s14^3*z3*z4)/(s12^2*s34^2*z34^2) - (s14^3*z3*z4)/
    (s12*s134*s34^2*z34^2) + (2*s23*z3*z4)/(s34^2*z34^2) + 
   (4*s13*s23*z3*z4)/(s12*s34^2*z34^2) - (2*s13^2*s23*z3*z4)/
    (s12^2*s34^2*z34^2) + (s13*s23*z3*z4)/(s134*s34^2*z34^2) - 
   (s13^2*s23*z3*z4)/(s12*s134*s34^2*z34^2) + 
   (4*s14*s23*z3*z4)/(s12*s34^2*z34^2) - (4*s13*s14*s23*z3*z4)/
    (s12^2*s34^2*z34^2) + (s14*s23*z3*z4)/(s134*s34^2*z34^2) - 
   (2*s13*s14*s23*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (2*s14^2*s23*z3*z4)/(s12^2*s34^2*z34^2) - (s14^2*s23*z3*z4)/
    (s12*s134*s34^2*z34^2) + (2*s23^2*z3*z4)/(s12*s34^2*z34^2) + 
   (s12*s23*z3*z4)/(s234*s34^2*z34^2) - (s13^2*s23*z3*z4)/
    (s12*s234*s34^2*z34^2) - (2*s13*s14*s23*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (s14^2*s23*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (s23^2*z3*z4)/(s234*s34^2*z34^2) - (s13*s23^2*z3*z4)/
    (s12*s234*s34^2*z34^2) - (s14*s23^2*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (2*s24*z3*z4)/(s34^2*z34^2) + (4*s13*s24*z3*z4)/(s12*s34^2*z34^2) - 
   (2*s13^2*s24*z3*z4)/(s12^2*s34^2*z34^2) + 
   (s13*s24*z3*z4)/(s134*s34^2*z34^2) - (s13^2*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) + (4*s14*s24*z3*z4)/(s12*s34^2*z34^2) - 
   (4*s13*s14*s24*z3*z4)/(s12^2*s34^2*z34^2) + 
   (s14*s24*z3*z4)/(s134*s34^2*z34^2) - (2*s13*s14*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) - (2*s14^2*s24*z3*z4)/(s12^2*s34^2*z34^2) - 
   (s14^2*s24*z3*z4)/(s12*s134*s34^2*z34^2) + 
   (4*s23*s24*z3*z4)/(s12*s34^2*z34^2) + (s12*s24*z3*z4)/(s234*s34^2*z34^2) - 
   (s13^2*s24*z3*z4)/(s12*s234*s34^2*z34^2) - (2*s13*s14*s24*z3*z4)/
    (s12*s234*s34^2*z34^2) - (s14^2*s24*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (2*s23*s24*z3*z4)/(s234*s34^2*z34^2) - (2*s13*s23*s24*z3*z4)/
    (s12*s234*s34^2*z34^2) - (2*s14*s23*s24*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (2*s24^2*z3*z4)/(s12*s34^2*z34^2) + (s24^2*z3*z4)/(s234*s34^2*z34^2) - 
   (s13*s24^2*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (s14*s24^2*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (4*s13^2*z3*z4)/(s12^2*s34*z34^2) + (s12*z3*z4)/(s134*s34*z34^2) + 
   (s13*z3*z4)/(s134*s34*z34^2) - (2*s13^2*z3*z4)/(s12*s134*s34*z34^2) - 
   (8*s13*s14*z3*z4)/(s12^2*s34*z34^2) + (s14*z3*z4)/(s134*s34*z34^2) - 
   (4*s13*s14*z3*z4)/(s12*s134*s34*z34^2) - (4*s14^2*z3*z4)/
    (s12^2*s34*z34^2) - (2*s14^2*z3*z4)/(s12*s134*s34*z34^2) + 
   (2*s23*z3*z4)/(s12*s34*z34^2) - (2*s13*s23*z3*z4)/(s12^2*s34*z34^2) + 
   (s23*z3*z4)/(s134*s34*z34^2) - (s13*s23*z3*z4)/(s12*s134*s34*z34^2) - 
   (2*s14*s23*z3*z4)/(s12^2*s34*z34^2) - (s14*s23*z3*z4)/
    (s12*s134*s34*z34^2) + (s12*z3*z4)/(s234*s34*z34^2) - 
   (s13^2*z3*z4)/(s12*s234*s34*z34^2) - (2*s13*s14*z3*z4)/
    (s12*s234*s34*z34^2) - (s14^2*z3*z4)/(s12*s234*s34*z34^2) + 
   (2*s23*z3*z4)/(s234*s34*z34^2) - (2*s13*s23*z3*z4)/(s12*s234*s34*z34^2) - 
   (2*s14*s23*z3*z4)/(s12*s234*s34*z34^2) + (2*s24*z3*z4)/(s12*s34*z34^2) - 
   (2*s13*s24*z3*z4)/(s12^2*s34*z34^2) + (s24*z3*z4)/(s134*s34*z34^2) - 
   (s13*s24*z3*z4)/(s12*s134*s34*z34^2) - (2*s14*s24*z3*z4)/
    (s12^2*s34*z34^2) - (s14*s24*z3*z4)/(s12*s134*s34*z34^2) + 
   (2*s24*z3*z4)/(s234*s34*z34^2) - (2*s13*s24*z3*z4)/(s12*s234*s34*z34^2) - 
   (2*s14*s24*z3*z4)/(s12*s234*s34*z34^2) + (4*z1*z3*z4)/(s12*z12*z34^2) + 
   (2*s13*z1*z3*z4)/(s12^2*z12*z34^2) + (2*z1*z3*z4)/(s134*z12*z34^2) + 
   (s13*z1*z3*z4)/(s12*s134*z12*z34^2) + (2*s14*z1*z3*z4)/(s12^2*z12*z34^2) + 
   (s14*z1*z3*z4)/(s12*s134*z12*z34^2) + (4*s23*z1*z3*z4)/(s12^2*z12*z34^2) + 
   (s23*z1*z3*z4)/(s12*s134*z12*z34^2) + (2*z1*z3*z4)/(s234*z12*z34^2) + 
   (s13*z1*z3*z4)/(s12*s234*z12*z34^2) + (s14*z1*z3*z4)/
    (s12*s234*z12*z34^2) + (s23*z1*z3*z4)/(s12*s234*z12*z34^2) + 
   (4*s24*z1*z3*z4)/(s12^2*z12*z34^2) + (s24*z1*z3*z4)/(s12*s134*z12*z34^2) + 
   (s24*z1*z3*z4)/(s12*s234*z12*z34^2) + (4*s13*z1*z3*z4)/(s34^2*z12*z34^2) + 
   (6*s13^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (2*s13^3*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s12*s13*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (3*s13^2*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (s13^3*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (4*s14*z1*z3*z4)/(s34^2*z12*z34^2) + (12*s13*s14*z1*z3*z4)/
    (s12*s34^2*z12*z34^2) + (6*s13^2*s14*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s12*s14*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (6*s13*s14*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (3*s13^2*s14*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (6*s14^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (6*s13*s14^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s14^2*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (3*s13*s14^2*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (2*s14^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (s14^3*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (2*s23*z1*z3*z4)/(s34^2*z12*z34^2) + (10*s13*s23*z1*z3*z4)/
    (s12*s34^2*z12*z34^2) + (6*s13^2*s23*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (3*s13*s23*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (2*s13^2*s23*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (10*s14*s23*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (12*s13*s14*s23*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s14*s23*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (4*s13*s14*s23*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (6*s14^2*s23*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s14^2*s23*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (4*s23^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (6*s13*s23^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s13*s23^2*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s14*s23^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s14*s23^2*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (2*s23^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s12*s23*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (3*s13*s23*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (s13^2*s23*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s14*s23*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (2*s13*s14*s23*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (s14^2*s23*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s23^2*z1*z3*z4)/(s234*s34^2*z12*z34^2) + (2*s13*s23^2*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) + (2*s14*s23^2*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) + (s23^3*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) + (2*s24*z1*z3*z4)/(s34^2*z12*z34^2) + 
   (10*s13*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) + 
   (6*s13^2*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (3*s13*s24*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (2*s13^2*s24*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (10*s14*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (12*s13*s14*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s14*s24*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (4*s13*s14*s24*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (6*s14^2*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s14^2*s24*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (8*s23*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (12*s13*s23*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s13*s23*s24*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (12*s14*s23*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s14*s23*s24*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s23^2*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s12*s24*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (3*s13*s24*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (s13^2*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s14*s24*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (2*s13*s14*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (s14^2*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (6*s23*s24*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (4*s13*s23*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (4*s14*s23*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s23^2*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (4*s24^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (6*s13*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s13*s24^2*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s14*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s14*s24^2*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s23*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s24^2*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (2*s13*s24^2*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (2*s14*s24^2*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s23*s24^2*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (2*s24^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (s24^3*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (4*z1*z3*z4)/(s34*z12*z34^2) + (10*s13*z1*z3*z4)/(s12*s34*z12*z34^2) + 
   (4*s13^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s12*z1*z3*z4)/(s134*s34*z12*z34^2) + (5*s13*z1*z3*z4)/
    (s134*s34*z12*z34^2) + (2*s13^2*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (10*s14*z1*z3*z4)/(s12*s34*z12*z34^2) + (8*s13*s14*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) + (5*s14*z1*z3*z4)/(s134*s34*z12*z34^2) + 
   (4*s13*s14*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (4*s14^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + (2*s14^2*z1*z3*z4)/
    (s12*s134*s34*z12*z34^2) + (10*s23*z1*z3*z4)/(s12*s34*z12*z34^2) + 
   (10*s13*s23*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (3*s23*z1*z3*z4)/(s134*s34*z12*z34^2) + (3*s13*s23*z1*z3*z4)/
    (s12*s134*s34*z12*z34^2) + (10*s14*s23*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (3*s14*s23*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (6*s23^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (s23^2*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (2*s12*z1*z3*z4)/(s234*s34*z12*z34^2) + (3*s13*z1*z3*z4)/
    (s234*s34*z12*z34^2) + (s13^2*z1*z3*z4)/(s12*s234*s34*z12*z34^2) + 
   (3*s14*z1*z3*z4)/(s234*s34*z12*z34^2) + (2*s13*s14*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (s14^2*z1*z3*z4)/(s12*s234*s34*z12*z34^2) + 
   (5*s23*z1*z3*z4)/(s234*s34*z12*z34^2) + (3*s13*s23*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (3*s14*s23*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (2*s23^2*z1*z3*z4)/(s12*s234*s34*z12*z34^2) + 
   (10*s24*z1*z3*z4)/(s12*s34*z12*z34^2) + (10*s13*s24*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) + (3*s24*z1*z3*z4)/(s134*s34*z12*z34^2) + 
   (3*s13*s24*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (10*s14*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (3*s14*s24*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (12*s23*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s23*s24*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (5*s24*z1*z3*z4)/(s234*s34*z12*z34^2) + (3*s13*s24*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (3*s14*s24*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (4*s23*s24*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (6*s24^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (s24^2*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (2*s24^2*z1*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (8*z1*z2*z3*z4)/(s12*z12^2*z34^2) - (4*s13*z1*z2*z3*z4)/
    (s12^2*z12^2*z34^2) - (4*s14*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) - 
   (4*s23*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) - (4*s24*z1*z2*z3*z4)/
    (s12^2*z12^2*z34^2) - (4*s13*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - 
   (6*s13^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (2*s13^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (4*s14*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - (12*s13*s14*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13^2*s14*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s14^2*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13*s14^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (2*s14^3*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (4*s23*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - 
   (12*s13*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (6*s13^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (12*s14*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (12*s13*s14*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (6*s14^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (6*s23^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (6*s13*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (6*s14*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (2*s23^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (4*s24*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - (12*s13*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (12*s14*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (12*s13*s14*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s14^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (12*s23*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (12*s13*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (12*s14*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s23^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s24^2*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s14*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s23*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (2*s24^3*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (8*z1*z2*z3*z4)/(s34*z12^2*z34^2) - 
   (16*s13*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - (6*s13^2*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (16*s14*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - 
   (12*s13*s14*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (6*s14^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (16*s23*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - (12*s13*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (12*s14*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (6*s23^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (16*s24*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - (12*s13*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (12*s14*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (12*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (6*s24^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (2*s13*z2*z3*z4)/(s12^2*z12*z34^2) + (2*s14*z2*z3*z4)/(s12^2*z12*z34^2) - 
   (2*s13*z2*z3*z4)/(s34^2*z12*z34^2) - (2*s13^2*z2*z3*z4)/
    (s12*s34^2*z12*z34^2) - (2*s14*z2*z3*z4)/(s34^2*z12*z34^2) - 
   (4*s13*s14*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s14^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (2*s13*s23*z2*z3*z4)/
    (s12*s34^2*z12*z34^2) - (2*s14*s23*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s13*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s14*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) + 
   (2*s13^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) + (4*s13*s14*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) + (2*s14^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s13*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s14*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s13*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s14*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) - (2*z3^2*z4)/(s12*z12*z34^2) + 
   (2*s12*z3^2*z4)/(s34^2*z12*z34^2) + (2*s13*z3^2*z4)/(s34^2*z12*z34^2) + 
   (2*s14*z3^2*z4)/(s34^2*z12*z34^2) + (2*s23*z3^2*z4)/(s34^2*z12*z34^2) + 
   (2*s24*z3^2*z4)/(s34^2*z12*z34^2) - (2*s13*z3^2*z4)/(s12*s34*z12*z34^2) - 
   (2*s14*z3^2*z4)/(s12*s34*z12*z34^2) - (2*s23*z3^2*z4)/
    (s12*s34*z12*z34^2) - (2*s24*z3^2*z4)/(s12*s34*z12*z34^2) - 
   (s13*z4)/(s12^2*z34) - (s13*z4)/(2*s12*s123*z34) + 
   (s13^2*z4)/(4*s12^2*s123*z34) + (s13^2*z4)/(4*s12^2*s124*z34) - 
   (s13*z4)/(s12*s134*z34) + (s13*s14*z4)/(4*s12^2*s123*z34) + 
   (s13*s14*z4)/(4*s12^2*s124*z34) - (s23*z4)/(2*s12*s123*z34) - 
   (s13*s23*z4)/(4*s12^2*s123*z34) - (s13*s23*z4)/(4*s12^2*s124*z34) - 
   (s13*z4)/(s12*s234*z34) - (s13*z4)/(s134*s234*z34) - 
   (s13*s24*z4)/(4*s12^2*s123*z34) - (s13*s24*z4)/(4*s12^2*s124*z34) - 
   (s13*z4)/(s34^2*z34) - (s13^2*z4)/(s12*s34^2*z34) - 
   (s12*s13*z4)/(2*s134*s34^2*z34) - (3*s13^2*z4)/(2*s134*s34^2*z34) - 
   (s13^3*z4)/(s12*s134*s34^2*z34) - (s13*s14*z4)/(s12*s34^2*z34) - 
   (3*s13*s14*z4)/(2*s134*s34^2*z34) - (2*s13^2*s14*z4)/
    (s12*s134*s34^2*z34) - (s13*s14^2*z4)/(s12*s134*s34^2*z34) - 
   (s23*z4)/(s34^2*z34) - (2*s13*s23*z4)/(s12*s34^2*z34) - 
   (s13*s23*z4)/(s134*s34^2*z34) - (3*s13^2*s23*z4)/(2*s12*s134*s34^2*z34) + 
   (s13*s14*s23*z4)/(s12^2*s34^2*z34) + (s14*s23*z4)/(2*s134*s34^2*z34) - 
   (s13*s14*s23*z4)/(s12*s134*s34^2*z34) + (s14^2*s23*z4)/(s12^2*s34^2*z34) + 
   (s14^2*s23*z4)/(2*s12*s134*s34^2*z34) - (s23^2*z4)/(s12*s34^2*z34) - 
   (s13*s23^2*z4)/(2*s12*s134*s34^2*z34) + (s14*s23^2*z4)/(s12^2*s34^2*z34) + 
   (s14*s23^2*z4)/(2*s12*s134*s34^2*z34) - (s12*s23*z4)/(2*s234*s34^2*z34) + 
   (s13^2*s23*z4)/(2*s12*s234*s34^2*z34) - (s12*s13*s23*z4)/
    (s134*s234*s34^2*z34) - (s13^2*s23*z4)/(s134*s234*s34^2*z34) + 
   (s13*s14*s23*z4)/(s12*s234*s34^2*z34) - (s13*s14*s23*z4)/
    (s134*s234*s34^2*z34) + (s14^2*s23*z4)/(2*s12*s234*s34^2*z34) - 
   (s23^2*z4)/(2*s234*s34^2*z34) + (s13*s23^2*z4)/(2*s12*s234*s34^2*z34) - 
   (s13*s23^2*z4)/(s134*s234*s34^2*z34) + (s14*s23^2*z4)/
    (2*s12*s234*s34^2*z34) - (2*s13*s24*z4)/(s12*s34^2*z34) - 
   (s13^2*s24*z4)/(s12^2*s34^2*z34) - (3*s13*s24*z4)/(2*s134*s34^2*z34) - 
   (2*s13^2*s24*z4)/(s12*s134*s34^2*z34) - (s13*s14*s24*z4)/
    (s12^2*s34^2*z34) - (2*s13*s14*s24*z4)/(s12*s134*s34^2*z34) - 
   (s23*s24*z4)/(s12*s34^2*z34) - (s13*s23*s24*z4)/(s12^2*s34^2*z34) - 
   (3*s13*s23*s24*z4)/(2*s12*s134*s34^2*z34) + 
   (s14*s23*s24*z4)/(s12^2*s34^2*z34) + (s14*s23*s24*z4)/
    (2*s12*s134*s34^2*z34) - (s12*s13*s24*z4)/(s134*s234*s34^2*z34) - 
   (s13^2*s24*z4)/(s134*s234*s34^2*z34) - (s13*s14*s24*z4)/
    (s134*s234*s34^2*z34) - (s23*s24*z4)/(2*s234*s34^2*z34) + 
   (s13*s23*s24*z4)/(2*s12*s234*s34^2*z34) - (2*s13*s23*s24*z4)/
    (s134*s234*s34^2*z34) + (s14*s23*s24*z4)/(2*s12*s234*s34^2*z34) - 
   (s13*s24^2*z4)/(s12^2*s34^2*z34) - (s13*s24^2*z4)/(s12*s134*s34^2*z34) - 
   (s13*s24^2*z4)/(s134*s234*s34^2*z34) - (2*s13*z4)/(s12*s34*z34) - 
   (s13*z4)/(2*s123*s34*z34) - (s13^2*z4)/(s12^2*s34*z34) - 
   (s13^2*z4)/(4*s12*s123*s34*z34) + (s13^2*z4)/(4*s12*s124*s34*z34) + 
   (s13^3*z4)/(4*s12^2*s123*s34*z34) + (s13^3*z4)/(4*s12^2*s124*s34*z34) - 
   (3*s13*z4)/(2*s134*s34*z34) - (2*s13^2*z4)/(s12*s134*s34*z34) - 
   (s13*s14*z4)/(s12^2*s34*z34) - (s13*s14*z4)/(4*s12*s123*s34*z34) + 
   (s13*s14*z4)/(4*s12*s124*s34*z34) + (s13^2*s14*z4)/
    (2*s12^2*s123*s34*z34) + (s13^2*s14*z4)/(2*s12^2*s124*s34*z34) - 
   (2*s13*s14*z4)/(s12*s134*s34*z34) + (s13*s14^2*z4)/
    (4*s12^2*s123*s34*z34) + (s13*s14^2*z4)/(4*s12^2*s124*s34*z34) - 
   (s23*z4)/(s12*s34*z34) - (s23*z4)/(2*s123*s34*z34) - 
   (s13*s23*z4)/(s12^2*s34*z34) - (5*s13*s23*z4)/(4*s12*s123*s34*z34) - 
   (s13*s23*z4)/(4*s12*s124*s34*z34) - (3*s13*s23*z4)/(2*s12*s134*s34*z34) + 
   (s14*s23*z4)/(s12^2*s34*z34) - (s14*s23*z4)/(2*s12*s123*s34*z34) + 
   (s14*s23*z4)/(2*s12*s134*s34*z34) - (s23^2*z4)/(2*s12*s123*s34*z34) - 
   (s13*s23^2*z4)/(4*s12^2*s123*s34*z34) - 
   (s13*s23^2*z4)/(4*s12^2*s124*s34*z34) - (s13*z4)/(s234*s34*z34) - 
   (s13^2*z4)/(s12*s234*s34*z34) - (s12*s13*z4)/(s134*s234*s34*z34) - 
   (s13^2*z4)/(s134*s234*s34*z34) - (s13*s14*z4)/(s12*s234*s34*z34) - 
   (s13*s14*z4)/(s134*s234*s34*z34) - (s23*z4)/(2*s234*s34*z34) - 
   (s13*s23*z4)/(2*s12*s234*s34*z34) - (2*s13*s23*z4)/(s134*s234*s34*z34) + 
   (s14*s23*z4)/(2*s12*s234*s34*z34) - (2*s13*s24*z4)/(s12^2*s34*z34) - 
   (3*s13*s24*z4)/(4*s12*s123*s34*z34) - (s13*s24*z4)/(4*s12*s124*s34*z34) - 
   (2*s13*s24*z4)/(s12*s134*s34*z34) - (s23*s24*z4)/(2*s12*s123*s34*z34) - 
   (s13*s23*s24*z4)/(2*s12^2*s123*s34*z34) - (s13*s23*s24*z4)/
    (2*s12^2*s124*s34*z34) - (s13*s24*z4)/(s12*s234*s34*z34) - 
   (2*s13*s24*z4)/(s134*s234*s34*z34) - (s13*s24^2*z4)/
    (4*s12^2*s123*s34*z34) - (s13*s24^2*z4)/(4*s12^2*s124*s34*z34) - 
   (z1*z4)/(s12*z12*z34) + (s13*z1*z4)/(s12^2*z12*z34) - 
   (s13*z1*z4)/(2*s12*s123*z12*z34) - (s13*z1*z4)/(2*s12*s124*z12*z34) - 
   (s13^2*z1*z4)/(4*s12^2*s123*z12*z34) - 
   (s13^2*z1*z4)/(4*s12^2*s124*z12*z34) + (z1*z4)/(2*s134*z12*z34) + 
   (3*s13*z1*z4)/(4*s12*s134*z12*z34) - (s13*s14*z1*z4)/
    (4*s12^2*s123*z12*z34) - (s13*s14*z1*z4)/(4*s12^2*s124*z12*z34) + 
   (s14*z1*z4)/(4*s12*s134*z12*z34) + (2*s23*z1*z4)/(s12^2*z12*z34) - 
   (s13*s23*z1*z4)/(4*s12^2*s123*z12*z34) - (s13*s23*z1*z4)/
    (4*s12^2*s124*z12*z34) + (5*s23*z1*z4)/(4*s12*s134*z12*z34) - 
   (z1*z4)/(2*s234*z12*z34) + (s13*z1*z4)/(4*s12*s234*z12*z34) - 
   (s14*z1*z4)/(4*s12*s234*z12*z34) + (3*s23*z1*z4)/(4*s12*s234*z12*z34) - 
   (s13*s24*z1*z4)/(4*s12^2*s123*z12*z34) - (s13*s24*z1*z4)/
    (4*s12^2*s124*z12*z34) + (s24*z1*z4)/(4*s12*s134*z12*z34) - 
   (s24*z1*z4)/(4*s12*s234*z12*z34) - (2*s13*z1*z4)/(s34^2*z12*z34) - 
   (2*s13^2*z1*z4)/(s12*s34^2*z12*z34) - (s12*s13*z1*z4)/
    (s134*s34^2*z12*z34) - (s13^2*z1*z4)/(s134*s34^2*z12*z34) - 
   (2*s13*s14*z1*z4)/(s12*s34^2*z12*z34) - (s13*s14*z1*z4)/
    (s134*s34^2*z12*z34) - (s23*z1*z4)/(s34^2*z12*z34) - 
   (3*s13*s23*z1*z4)/(s12*s34^2*z12*z34) - (3*s13*s23*z1*z4)/
    (4*s134*s34^2*z12*z34) + (s13^2*s23*z1*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s13*s14*s23*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (3*s14*s23*z1*z4)/(4*s134*s34^2*z12*z34) + (s13*s14*s23*z1*z4)/
    (s12*s134*s34^2*z12*z34) + (s14^2*s23*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (3*s14^2*s23*z1*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s23^2*z1*z4)/(s12*s34^2*z12*z34) + (s23^2*z1*z4)/(4*s134*s34^2*z12*z34) + 
   (s13*s23^2*z1*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23^2*z1*z4)/(s12^2*s34^2*z12*z34) + (s14*s23^2*z1*z4)/
    (s12*s134*s34^2*z12*z34) + (s23^3*z1*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s12*s23*z1*z4)/(s234*s34^2*z12*z34) - (3*s13*s23*z1*z4)/
    (4*s234*s34^2*z12*z34) + (s13^2*s23*z1*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (5*s14*s23*z1*z4)/(4*s234*s34^2*z12*z34) - 
   (s14^2*s23*z1*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (3*s23^2*z1*z4)/(4*s234*s34^2*z12*z34) + (s13*s23^2*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s23^3*z1*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (3*s13*s24*z1*z4)/(s12*s34^2*z12*z34) - (s13^2*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) - (3*s13*s24*z1*z4)/(2*s134*s34^2*z12*z34) - 
   (s13^2*s24*z1*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s13*s14*s24*z1*z4)/(s12^2*s34^2*z12*z34) - (s13*s14*s24*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) - (s23*s24*z1*z4)/(s12*s34^2*z12*z34) - 
   (s13*s23*s24*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s23*s24*z1*z4)/(4*s134*s34^2*z12*z34) + (s14*s23*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) + (s14*s23*s24*z1*z4)/(s12*s134*s34^2*z12*z34) + 
   (s23^2*s24*z1*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s13*s24*z1*z4)/(2*s234*s34^2*z12*z34) + (s13^2*s24*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s14*s24*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) - (3*s23*s24*z1*z4)/(4*s234*s34^2*z12*z34) + 
   (s13*s23*s24*z1*z4)/(s12*s234*s34^2*z12*z34) + 
   (s23^2*s24*z1*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s13*s24^2*z1*z4)/(s12^2*s34^2*z12*z34) - (s13*s24^2*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s23*s24^2*z1*z4)/
    (4*s12*s134*s34^2*z12*z34) + (s13*s24^2*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s23*s24^2*z1*z4)/
    (4*s12*s234*s34^2*z12*z34) - (z1*z4)/(s34*z12*z34) - 
   (2*s13*z1*z4)/(s12*s34*z12*z34) - (s13*z1*z4)/(2*s123*s34*z12*z34) - 
   (s13*z1*z4)/(2*s124*s34*z12*z34) + (s13^2*z1*z4)/(s12^2*s34*z12*z34) - 
   (3*s13^2*z1*z4)/(4*s12*s123*s34*z12*z34) - 
   (3*s13^2*z1*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13^3*z1*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^3*z1*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s12*z1*z4)/(2*s134*s34*z12*z34) + (s13*z1*z4)/(4*s134*s34*z12*z34) + 
   (3*s13^2*z1*z4)/(4*s12*s134*s34*z12*z34) - (s14*z1*z4)/(s12*s34*z12*z34) + 
   (s13*s14*z1*z4)/(s12^2*s34*z12*z34) - (3*s13*s14*z1*z4)/
    (4*s12*s123*s34*z12*z34) - (3*s13*s14*z1*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s14*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s14*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s14*z1*z4)/(4*s134*s34*z12*z34) + (s13*s14*z1*z4)/
    (s12*s134*s34*z12*z34) - (s13*s14^2*z1*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s13*s14^2*z1*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s14^2*z1*z4)/(4*s12*s134*s34*z12*z34) + (3*s13*s23*z1*z4)/
    (s12^2*s34*z12*z34) - (3*s13*s23*z1*z4)/(4*s12*s123*s34*z12*z34) - 
   (3*s13*s23*z1*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s23*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s23*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (7*s23*z1*z4)/(4*s134*s34*z12*z34) + (9*s13*s23*z1*z4)/
    (4*s12*s134*s34*z12*z34) + (3*s14*s23*z1*z4)/(s12^2*s34*z12*z34) - 
   (s13*s14*s23*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s14*s23*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (9*s14*s23*z1*z4)/(4*s12*s134*s34*z12*z34) + 
   (2*s23^2*z1*z4)/(s12^2*s34*z12*z34) - (s13*s23^2*z1*z4)/
    (4*s12^2*s123*s34*z12*z34) - (s13*s23^2*z1*z4)/
    (4*s12^2*s124*s34*z12*z34) + (3*s23^2*z1*z4)/(2*s12*s134*s34*z12*z34) - 
   (s12*z1*z4)/(2*s234*s34*z12*z34) - (s13*z1*z4)/(4*s234*s34*z12*z34) + 
   (s13^2*z1*z4)/(4*s12*s234*s34*z12*z34) - 
   (3*s14*z1*z4)/(4*s234*s34*z12*z34) - (s14^2*z1*z4)/
    (4*s12*s234*s34*z12*z34) - (3*s23*z1*z4)/(4*s234*s34*z12*z34) + 
   (5*s13*s23*z1*z4)/(4*s12*s234*s34*z12*z34) + 
   (s14*s23*z1*z4)/(4*s12*s234*s34*z12*z34) + 
   (s23^2*z1*z4)/(s12*s234*s34*z12*z34) - (s24*z1*z4)/(s12*s34*z12*z34) - 
   (3*s13*s24*z1*z4)/(4*s12*s123*s34*z12*z34) - 
   (3*s13*s24*z1*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s24*z1*z4)/(4*s134*s34*z12*z34) + (s13*s24*z1*z4)/
    (2*s12*s134*s34*z12*z34) - (s13*s14*s24*z1*z4)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s14*s24*z1*z4)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s24*z1*z4)/(2*s12*s134*s34*z12*z34) + 
   (2*s23*s24*z1*z4)/(s12^2*s34*z12*z34) - (s13*s23*s24*z1*z4)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s23*s24*z1*z4)/
    (2*s12^2*s124*s34*z12*z34) + (7*s23*s24*z1*z4)/(4*s12*s134*s34*z12*z34) - 
   (3*s24*z1*z4)/(4*s234*s34*z12*z34) + (s13*s24*z1*z4)/
    (2*s12*s234*s34*z12*z34) - (s14*s24*z1*z4)/(2*s12*s234*s34*z12*z34) + 
   (3*s23*s24*z1*z4)/(4*s12*s234*s34*z12*z34) - 
   (s13*s24^2*z1*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s13*s24^2*z1*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s24^2*z1*z4)/(4*s12*s134*s34*z12*z34) - 
   (s24^2*z1*z4)/(4*s12*s234*s34*z12*z34) - (2*s13*z1*z2*z4)/
    (s12^2*z12^2*z34) - (2*s23*z1*z2*z4)/(s12^2*z12^2*z34) + 
   (2*s13*z1*z2*z4)/(s34^2*z12^2*z34) + (2*s13^2*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (2*s13*s14*z1*z2*z4)/(s12*s34^2*z12^2*z34) + 
   (2*s23*z1*z2*z4)/(s34^2*z12^2*z34) + (4*s13*s23*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (2*s14*s23*z1*z2*z4)/(s12*s34^2*z12^2*z34) + 
   (2*s23^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) + (2*s13*s24*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (2*s23*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (2*s13^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) - (2*s13*s14*z1*z2*z4)/
    (s12^2*s34*z12^2*z34) - (4*s13*s23*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (2*s14*s23*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (2*s23^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) - (2*s13*s24*z1*z2*z4)/
    (s12^2*s34*z12^2*z34) - (2*s23*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (z2*z4)/(s12*z12*z34) + (s13*z2*z4)/(s12^2*z12*z34) + 
   (s13*z2*z4)/(2*s12*s123*z12*z34) + (s13*z2*z4)/(2*s12*s124*z12*z34) + 
   (s13^2*z2*z4)/(4*s12^2*s123*z12*z34) + 
   (s13^2*z2*z4)/(4*s12^2*s124*z12*z34) + (s13*z2*z4)/(2*s12*s134*z12*z34) + 
   (s13*s14*z2*z4)/(4*s12^2*s123*z12*z34) + (s13*s14*z2*z4)/
    (4*s12^2*s124*z12*z34) + (s13*s23*z2*z4)/(4*s12^2*s123*z12*z34) + 
   (s13*s23*z2*z4)/(4*s12^2*s124*z12*z34) + 
   (s13*z2*z4)/(2*s12*s234*z12*z34) + (s13*s24*z2*z4)/
    (4*s12^2*s123*z12*z34) + (s13*s24*z2*z4)/(4*s12^2*s124*z12*z34) + 
   (s13*z2*z4)/(s34^2*z12*z34) + (s13^2*z2*z4)/(s12*s34^2*z12*z34) + 
   (s13^2*z2*z4)/(4*s134*s34^2*z12*z34) + 
   (s13^3*z2*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s13*s14*z2*z4)/(s12*s34^2*z12*z34) + (s13*s14*z2*z4)/
    (4*s134*s34^2*z12*z34) + (s13^2*s14*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s13*s14^2*z2*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s13*s23*z2*z4)/(s12*s34^2*z12*z34) + (s13*s23*z2*z4)/
    (4*s134*s34^2*z12*z34) + (s13^2*s23*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s23*z2*z4)/(s12*s34^2*z12*z34) - (s13*s14*s23*z2*z4)/
    (s12^2*s34^2*z12*z34) + (s13*s14*s23*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^2*s23*z2*z4)/(s12^2*s34^2*z12*z34) + (s13*s23^2*z2*z4)/
    (4*s12*s134*s34^2*z12*z34) - (s14*s23^2*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s13^2*z2*z4)/(4*s234*s34^2*z12*z34) + 
   (s13^3*z2*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s13*s14*z2*z4)/(4*s234*s34^2*z12*z34) + (s13^2*s14*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s14^2*z2*z4)/
    (4*s12*s234*s34^2*z12*z34) + (s13*s23*z2*z4)/(4*s234*s34^2*z12*z34) + 
   (s13^2*s23*z2*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*s14*s23*z2*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*s23^2*z2*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (2*s13*s24*z2*z4)/(s12*s34^2*z12*z34) + (s13^2*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) + (s13*s24*z2*z4)/(4*s134*s34^2*z12*z34) + 
   (s13^2*s24*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s13*s14*s24*z2*z4)/(s12^2*s34^2*z12*z34) + (s13*s14*s24*z2*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s13*s23*s24*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s23*s24*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s23*s24*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s24*z2*z4)/(4*s234*s34^2*z12*z34) + (s13^2*s24*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s14*s24*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s23*s24*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s24^2*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s24^2*z2*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s13*s24^2*z2*z4)/(4*s12*s234*s34^2*z12*z34) - (z2*z4)/(s34*z12*z34) + 
   (s13*z2*z4)/(s12*s34*z12*z34) + (s13*z2*z4)/(2*s123*s34*z12*z34) + 
   (s13*z2*z4)/(2*s124*s34*z12*z34) + (s13^2*z2*z4)/(s12^2*s34*z12*z34) + 
   (3*s13^2*z2*z4)/(4*s12*s123*s34*z12*z34) + 
   (3*s13^2*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^3*z2*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^3*z2*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s13*z2*z4)/(2*s134*s34*z12*z34) + (3*s13^2*z2*z4)/
    (4*s12*s134*s34*z12*z34) - (s14*z2*z4)/(s12*s34*z12*z34) + 
   (s13*s14*z2*z4)/(s12^2*s34*z12*z34) + (3*s13*s14*z2*z4)/
    (4*s12*s123*s34*z12*z34) + (3*s13*s14*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s14*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s13*s14*z2*z4)/(4*s12*s134*s34*z12*z34) + 
   (s13*s14^2*z2*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s13*s14^2*z2*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (s23*z2*z4)/(s12*s34*z12*z34) + (s13*s23*z2*z4)/(s12^2*s34*z12*z34) + 
   (3*s13*s23*z2*z4)/(4*s12*s123*s34*z12*z34) + 
   (3*s13*s23*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s23*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s23*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s13*s23*z2*z4)/(4*s12*s134*s34*z12*z34) - 
   (s14*s23*z2*z4)/(s12^2*s34*z12*z34) + (s13*s14*s23*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s14*s23*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) + (s13*s23^2*z2*z4)/
    (4*s12^2*s123*s34*z12*z34) + (s13*s23^2*z2*z4)/
    (4*s12^2*s124*s34*z12*z34) + (s13*z2*z4)/(2*s234*s34*z12*z34) + 
   (3*s13^2*z2*z4)/(4*s12*s234*s34*z12*z34) + 
   (3*s13*s14*z2*z4)/(4*s12*s234*s34*z12*z34) + 
   (3*s13*s23*z2*z4)/(4*s12*s234*s34*z12*z34) - 
   (s24*z2*z4)/(s12*s34*z12*z34) + (2*s13*s24*z2*z4)/(s12^2*s34*z12*z34) + 
   (3*s13*s24*z2*z4)/(4*s12*s123*s34*z12*z34) + 
   (3*s13*s24*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s13*s24*z2*z4)/(4*s12*s134*s34*z12*z34) + 
   (s13*s14*s24*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14*s24*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s13*s23*s24*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s23*s24*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s13*s24*z2*z4)/(4*s12*s234*s34*z12*z34) + 
   (s13*s24^2*z2*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s13*s24^2*z2*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (3*z3*z4)/(2*s123*z12*z34) - (z3*z4)/(2*s124*z12*z34) - 
   (s13*z3*z4)/(s12*s123*z12*z34) + (s13*z3*z4)/(s12*s124*z12*z34) - 
   (z3*z4)/(2*s134*z12*z34) - (s14*z3*z4)/(2*s12*s123*z12*z34) + 
   (s14*z3*z4)/(2*s12*s124*z12*z34) - (s23*z3*z4)/(s12*s123*z12*z34) + 
   (s23*z3*z4)/(s12*s124*z12*z34) - (z3*z4)/(2*s234*z12*z34) - 
   (s24*z3*z4)/(2*s12*s123*z12*z34) + (s24*z3*z4)/(2*s12*s124*z12*z34) - 
   (3*s12*z3*z4)/(s34^2*z12*z34) - (4*s13*z3*z4)/(s34^2*z12*z34) - 
   (s13^2*z3*z4)/(s12*s34^2*z12*z34) + (s12*s13*z3*z4)/
    (4*s134*s34^2*z12*z34) + (s13^2*z3*z4)/(2*s134*s34^2*z12*z34) + 
   (s13^3*z3*z4)/(4*s12*s134*s34^2*z12*z34) - (4*s14*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s14*z3*z4)/(s12*s34^2*z12*z34) + (s12*s14*z3*z4)/
    (4*s134*s34^2*z12*z34) + (s13*s14*z3*z4)/(s134*s34^2*z12*z34) + 
   (3*s13^2*s14*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s14^2*z3*z4)/(s12*s34^2*z12*z34) + (s14^2*z3*z4)/(2*s134*s34^2*z12*z34) + 
   (3*s13*s14^2*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s14^3*z3*z4)/(4*s12*s134*s34^2*z12*z34) - (4*s23*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s23*z3*z4)/(s12*s34^2*z12*z34) - (s12*s23*z3*z4)/
    (4*s134*s34^2*z12*z34) + (s13*s23*z3*z4)/(4*s134*s34^2*z12*z34) + 
   (s13^2*s23*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (2*s14*s23*z3*z4)/(s12*s34^2*z12*z34) + (s14*s23*z3*z4)/
    (4*s134*s34^2*z12*z34) + (s13*s14*s23*z3*z4)/(s12*s134*s34^2*z12*z34) + 
   (s14^2*s23*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s23^2*z3*z4)/(s12*s34^2*z12*z34) - (s23^2*z3*z4)/(4*s134*s34^2*z12*z34) + 
   (s13*s23^2*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s14*s23^2*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (3*s12*s13*z3*z4)/(4*s234*s34^2*z12*z34) - 
   (s13^2*z3*z4)/(s234*s34^2*z12*z34) - (s13^3*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (3*s12*s14*z3*z4)/(4*s234*s34^2*z12*z34) - 
   (2*s13*s14*z3*z4)/(s234*s34^2*z12*z34) - (3*s13^2*s14*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s14^2*z3*z4)/(s234*s34^2*z12*z34) - 
   (3*s13*s14^2*z3*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (s14^3*z3*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (s12*s23*z3*z4)/(4*s234*s34^2*z12*z34) - (5*s13*s23*z3*z4)/
    (4*s234*s34^2*z12*z34) - (s13^2*s23*z3*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (5*s14*s23*z3*z4)/(4*s234*s34^2*z12*z34) - (s13*s14*s23*z3*z4)/
    (s12*s234*s34^2*z12*z34) - (s14^2*s23*z3*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s23^2*z3*z4)/(4*s234*s34^2*z12*z34) - (s13*s23^2*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s14*s23^2*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (4*s24*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s24*z3*z4)/(s12*s34^2*z12*z34) - (s12*s24*z3*z4)/
    (4*s134*s34^2*z12*z34) + (s13*s24*z3*z4)/(4*s134*s34^2*z12*z34) + 
   (s13^2*s24*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (2*s14*s24*z3*z4)/(s12*s34^2*z12*z34) + (s14*s24*z3*z4)/
    (4*s134*s34^2*z12*z34) + (s13*s14*s24*z3*z4)/(s12*s134*s34^2*z12*z34) + 
   (s14^2*s24*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (2*s23*s24*z3*z4)/(s12*s34^2*z12*z34) - (s23*s24*z3*z4)/
    (2*s134*s34^2*z12*z34) + (s13*s23*s24*z3*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23*s24*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s12*s24*z3*z4)/(4*s234*s34^2*z12*z34) - (5*s13*s24*z3*z4)/
    (4*s234*s34^2*z12*z34) - (s13^2*s24*z3*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (5*s14*s24*z3*z4)/(4*s234*s34^2*z12*z34) - (s13*s14*s24*z3*z4)/
    (s12*s234*s34^2*z12*z34) - (s14^2*s24*z3*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s23*s24*z3*z4)/(2*s234*s34^2*z12*z34) - (s13*s23*s24*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) - (s14*s23*s24*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) - (s24^2*z3*z4)/(s12*s34^2*z12*z34) - 
   (s24^2*z3*z4)/(4*s134*s34^2*z12*z34) + (s13*s24^2*z3*z4)/
    (4*s12*s134*s34^2*z12*z34) + (s14*s24^2*z3*z4)/
    (4*s12*s134*s34^2*z12*z34) - (s24^2*z3*z4)/(4*s234*s34^2*z12*z34) - 
   (s13*s24^2*z3*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (s14*s24^2*z3*z4)/(4*s12*s234*s34^2*z12*z34) - (3*z3*z4)/(s34*z12*z34) - 
   (3*s12*z3*z4)/(2*s123*s34*z12*z34) - (3*s12*z3*z4)/(2*s124*s34*z12*z34) - 
   (s13*z3*z4)/(s12*s34*z12*z34) - (5*s13*z3*z4)/(2*s123*s34*z12*z34) - 
   (3*s13*z3*z4)/(2*s124*s34*z12*z34) - (s13^2*z3*z4)/
    (s12*s123*s34*z12*z34) - (s12*z3*z4)/(2*s134*s34*z12*z34) - 
   (s13*z3*z4)/(4*s134*s34*z12*z34) + (s13^2*z3*z4)/
    (4*s12*s134*s34*z12*z34) - (s14*z3*z4)/(s12*s34*z12*z34) - 
   (2*s14*z3*z4)/(s123*s34*z12*z34) - (2*s14*z3*z4)/(s124*s34*z12*z34) - 
   (3*s13*s14*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s13*s14*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s14*z3*z4)/(4*s134*s34*z12*z34) + (s13*s14*z3*z4)/
    (2*s12*s134*s34*z12*z34) - (s14^2*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s14^2*z3*z4)/(2*s12*s124*s34*z12*z34) + 
   (s14^2*z3*z4)/(4*s12*s134*s34*z12*z34) - (s23*z3*z4)/(s12*s34*z12*z34) - 
   (5*s23*z3*z4)/(2*s123*s34*z12*z34) - (3*s23*z3*z4)/(2*s124*s34*z12*z34) - 
   (2*s13*s23*z3*z4)/(s12*s123*s34*z12*z34) - 
   (3*s23*z3*z4)/(4*s134*s34*z12*z34) + (s13*s23*z3*z4)/
    (4*s12*s134*s34*z12*z34) - (3*s14*s23*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s14*s23*z3*z4)/(2*s12*s124*s34*z12*z34) + 
   (s14*s23*z3*z4)/(4*s12*s134*s34*z12*z34) - 
   (s23^2*z3*z4)/(s12*s123*s34*z12*z34) - (s12*z3*z4)/(2*s234*s34*z12*z34) - 
   (5*s13*z3*z4)/(4*s234*s34*z12*z34) - (s13^2*z3*z4)/
    (4*s12*s234*s34*z12*z34) - (5*s14*z3*z4)/(4*s234*s34*z12*z34) - 
   (s13*s14*z3*z4)/(2*s12*s234*s34*z12*z34) - 
   (s14^2*z3*z4)/(4*s12*s234*s34*z12*z34) - 
   (3*s23*z3*z4)/(4*s234*s34*z12*z34) - (s13*s23*z3*z4)/
    (4*s12*s234*s34*z12*z34) - (s14*s23*z3*z4)/(4*s12*s234*s34*z12*z34) - 
   (s24*z3*z4)/(s12*s34*z12*z34) - (2*s24*z3*z4)/(s123*s34*z12*z34) - 
   (2*s24*z3*z4)/(s124*s34*z12*z34) - (3*s13*s24*z3*z4)/
    (2*s12*s123*s34*z12*z34) - (s13*s24*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (3*s24*z3*z4)/(4*s134*s34*z12*z34) + (s13*s24*z3*z4)/
    (4*s12*s134*s34*z12*z34) - (s14*s24*z3*z4)/(s12*s123*s34*z12*z34) - 
   (s14*s24*z3*z4)/(s12*s124*s34*z12*z34) + (s14*s24*z3*z4)/
    (4*s12*s134*s34*z12*z34) - (3*s23*s24*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s23*s24*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (3*s24*z3*z4)/(4*s234*s34*z12*z34) - (s13*s24*z3*z4)/
    (4*s12*s234*s34*z12*z34) - (s14*s24*z3*z4)/(4*s12*s234*s34*z12*z34) - 
   (s24^2*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s24^2*z3*z4)/(2*s12*s124*s34*z12*z34) + (s34*z3*z4)/(s12*s124*z12*z34) - 
   (2*z3*z4^2)/(s12*z12*z34^2) + (2*s12*z3*z4^2)/(s34^2*z12*z34^2) + 
   (2*s13*z3*z4^2)/(s34^2*z12*z34^2) + (2*s14*z3*z4^2)/(s34^2*z12*z34^2) + 
   (2*s23*z3*z4^2)/(s34^2*z12*z34^2) + (2*s24*z3*z4^2)/(s34^2*z12*z34^2) - 
   (2*s13*z3*z4^2)/(s12*s34*z12*z34^2) - (2*s14*z3*z4^2)/
    (s12*s34*z12*z34^2) - (2*s23*z3*z4^2)/(s12*s34*z12*z34^2) - 
   (2*s24*z3*z4^2)/(s12*s34*z12*z34^2) + (s13*z4^2)/(s34^2*z12*z34) + 
   (s13^2*z4^2)/(s12*s34^2*z12*z34) - (s12*s13*z4^2)/(2*s134*s34^2*z12*z34) - 
   (3*s13^2*z4^2)/(4*s134*s34^2*z12*z34) - 
   (s13^3*z4^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s13*s14*z4^2)/(s12*s34^2*z12*z34) - (3*s13*s14*z4^2)/
    (4*s134*s34^2*z12*z34) - (s13^2*s14*z4^2)/(2*s12*s134*s34^2*z12*z34) - 
   (s13*s14^2*z4^2)/(4*s12*s134*s34^2*z12*z34) + (s23*z4^2)/(s34^2*z12*z34) + 
   (2*s13*s23*z4^2)/(s12*s34^2*z12*z34) - (3*s13*s23*z4^2)/
    (4*s134*s34^2*z12*z34) - (s13^2*s23*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23*z4^2)/(s12*s34^2*z12*z34) - (s13*s14*s23*z4^2)/
    (2*s12*s134*s34^2*z12*z34) + (s23^2*z4^2)/(s12*s34^2*z12*z34) - 
   (s13*s23^2*z4^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s12*s13*z4^2)/(2*s234*s34^2*z12*z34) + 
   (3*s13^2*z4^2)/(4*s234*s34^2*z12*z34) + 
   (s13^3*z4^2)/(4*s12*s234*s34^2*z12*z34) + (3*s13*s14*z4^2)/
    (4*s234*s34^2*z12*z34) + (s13^2*s14*z4^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*s14^2*z4^2)/(4*s12*s234*s34^2*z12*z34) + 
   (3*s13*s23*z4^2)/(4*s234*s34^2*z12*z34) + (s13^2*s23*z4^2)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s14*s23*z4^2)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s23^2*z4^2)/
    (4*s12*s234*s34^2*z12*z34) + (s13*s24*z4^2)/(s12*s34^2*z12*z34) - 
   (3*s13*s24*z4^2)/(4*s134*s34^2*z12*z34) - (s13^2*s24*z4^2)/
    (2*s12*s134*s34^2*z12*z34) - (s13*s14*s24*z4^2)/
    (2*s12*s134*s34^2*z12*z34) + (s23*s24*z4^2)/(s12*s34^2*z12*z34) - 
   (s13*s23*s24*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (3*s13*s24*z4^2)/(4*s234*s34^2*z12*z34) + (s13^2*s24*z4^2)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s14*s24*z4^2)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s23*s24*z4^2)/
    (2*s12*s234*s34^2*z12*z34) - (s13*s24^2*z4^2)/
    (4*s12*s134*s34^2*z12*z34) + (s13*s24^2*z4^2)/
    (4*s12*s234*s34^2*z12*z34) + (s13*z4^2)/(s12*s34*z12*z34) - 
   (s13*z4^2)/(2*s134*s34*z12*z34) - (s13^2*z4^2)/(4*s12*s134*s34*z12*z34) - 
   (s13*s14*z4^2)/(4*s12*s134*s34*z12*z34) + (s23*z4^2)/(s12*s34*z12*z34) - 
   (s13*s23*z4^2)/(4*s12*s134*s34*z12*z34) + 
   (s13*z4^2)/(2*s234*s34*z12*z34) + (s13^2*z4^2)/(4*s12*s234*s34*z12*z34) + 
   (s13*s14*z4^2)/(4*s12*s234*s34*z12*z34) + 
   (s13*s23*z4^2)/(4*s12*s234*s34*z12*z34) - 
   (s13*s24*z4^2)/(4*s12*s134*s34*z12*z34) + 
   (s13*s24*z4^2)/(4*s12*s234*s34*z12*z34)) + 
 k1k4*(-D/(2*s12) - D/(4*s123) - D/(4*s124) + s13/(2*s12*s123) + 
   s13/(s12*s124) - (D*s13)/(2*s12*s124) + (2*s13)/(s123*s124) - 
   (D*s13)/(2*s123*s124) + (2*s13^2)/(s12*s123*s124) - 
   (D*s13^2)/(2*s12*s123*s124) - D/(4*s134) + (2*s12)/(s123*s134) - 
   (D*s12)/(2*s123*s134) + (D*s12)/(4*s124*s134) + (4*s13)/(s123*s134) - 
   (D*s13)/(2*s123*s134) + (D*s13)/(4*s124*s134) - (D*s14)/(4*s12*s123) - 
   (D*s14)/(4*s12*s124) + (2*s13*s14)/(s12*s123*s124) - 
   (D*s13*s14)/(2*s12*s123*s124) + (2*s14)/(s123*s134) - 
   (D*s14)/(2*s123*s134) + (D*s14)/(4*s124*s134) + s23/s12^2 + 
   (2*s23)/(s12*s124) - (D*s23)/(2*s12*s124) + (3*s23)/(s123*s124) - 
   (D*s23)/(2*s123*s124) + (3*s13*s23)/(2*s12^2*s123) + 
   (5*s13*s23)/(s12*s123*s124) - (D*s13*s23)/(s12*s123*s124) + 
   (2*s23)/(s12*s134) - (D*s23)/(4*s12*s134) + (4*s23)/(s123*s134) - 
   (D*s23)/(2*s123*s134) + (D*s23)/(4*s124*s134) + 
   (D*s13*s23)/(2*s12*s123*s134) - (s13*s23)/(s12*s124*s134) + 
   (D*s13*s23)/(4*s12*s124*s134) + (3*s14*s23)/(2*s12^2*s123) + 
   (4*s14*s23)/(s12*s123*s124) - (D*s14*s23)/(2*s12*s123*s124) + 
   (s13*s14*s23)/(s12^2*s123*s124) + (2*s14*s23)/(s12*s123*s134) + 
   (s14*s23)/(s12*s124*s134) + (s14^2*s23)/(s12^2*s123*s124) - 
   (3*s23^2)/(2*s12^2*s123) + (3*s23^2)/(s12*s123*s124) - 
   (D*s23^2)/(2*s12*s123*s124) + (D*s23^2)/(2*s12*s123*s134) - 
   s23^2/(s12*s124*s134) + (D*s23^2)/(4*s12*s124*s134) + 
   (s14*s23^2)/(s12^2*s123*s124) - D/(4*s234) + (D*s12)/(4*s123*s234) + 
   (2*s12)/(s124*s234) - (D*s12)/(2*s124*s234) + (D*s13)/(4*s123*s234) + 
   (2*s13)/(s124*s234) - (D*s13)/(2*s124*s234) - s12/(s134*s234) + 
   (D*s14)/(4*s123*s234) + (2*s14)/(s124*s234) - (D*s14)/(2*s124*s234) - 
   s23/(2*s12*s234) + (D*s23)/(4*s12*s234) + (D*s23)/(4*s123*s234) + 
   (4*s23)/(s124*s234) - (D*s23)/(2*s124*s234) - (s13*s23)/(s12*s123*s234) + 
   (D*s13*s23)/(4*s12*s123*s234) - (2*s13*s23)/(s12*s124*s234) + 
   (D*s13*s23)/(2*s12*s124*s234) + (3*s23)/(s134*s234) - 
   (D*s23)/(2*s134*s234) - (s14*s23)/(s12*s123*s234) + 
   s23^2/(s12*s123*s234) + (D*s23^2)/(4*s12*s123*s234) - 
   (2*s23^2)/(s12*s124*s234) + (D*s23^2)/(2*s12*s124*s234) + s24/s12^2 - 
   (D*s24)/(4*s12*s123) + s24/(2*s12*s124) - (D*s24)/(4*s12*s124) - 
   (s13*s24)/(2*s12^2*s123) + (2*s13*s24)/(s12*s123*s124) - 
   (D*s13*s24)/(2*s12*s123*s124) + s24/(s12*s134) - (D*s24)/(4*s12*s134) + 
   (2*s24)/(s123*s134) - (D*s24)/(2*s123*s134) + (D*s24)/(4*s124*s134) - 
   (2*s13*s24)/(s12*s123*s134) + (D*s13*s24)/(2*s12*s123*s134) + 
   (D*s13*s24)/(4*s12*s124*s134) + (s14*s24)/(2*s12^2*s124) + 
   (2*s23*s24)/(s12*s123*s124) - (D*s23*s24)/(2*s12*s123*s124) - 
   (s13*s23*s24)/(s12^2*s123*s124) + (D*s23*s24)/(2*s12*s123*s134) - 
   (s23*s24)/(s12*s124*s134) + (D*s23*s24)/(4*s12*s124*s134) - 
   (s23^2*s24)/(s12^2*s123*s124) + s24/(2*s12*s234) + (D*s24)/(4*s12*s234) + 
   (D*s24)/(4*s123*s234) + (4*s24)/(s124*s234) - (D*s24)/(2*s124*s234) + 
   (D*s13*s24)/(4*s12*s123*s234) + (D*s13*s24)/(2*s12*s124*s234) + 
   (2*s24)/(s134*s234) - (D*s24)/(2*s134*s234) + 
   (2*s14*s24)/(s12*s124*s234) - (s23*s24)/(s12*s123*s234) + 
   (D*s23*s24)/(4*s12*s123*s234) + (D*s23*s24)/(2*s12*s124*s234) + 
   s24^2/(2*s12^2*s124) - (s23*s24^2)/(s12^2*s123*s124) + 
   (2*s24^2)/(s12*s124*s234) + s13/s34^2 + s13^2/(s12*s34^2) + 
   (s12*s13)/(2*s134*s34^2) + s13^2/(2*s134*s34^2) + (s13*s14)/(s12*s34^2) + 
   (s13*s14)/(2*s134*s34^2) + s23/s34^2 + (2*s13*s23)/(s12*s34^2) - 
   (s13^2*s23)/(2*s12*s134*s34^2) + (2*s14*s23)/(s12*s34^2) + 
   (s13*s14*s23)/(s12^2*s34^2) - (s13*s14*s23)/(2*s12*s134*s34^2) + 
   (s14^2*s23)/(s12^2*s34^2) - s23^2/(s12*s34^2) - 
   (2*s13*s23^2)/(s12^2*s34^2) - (s13*s23^2)/(2*s12*s134*s34^2) - 
   (s14*s23^2)/(s12^2*s34^2) - (2*s23^3)/(s12^2*s34^2) + 
   (s12*s23)/(2*s234*s34^2) - (s13^2*s23)/(2*s12*s234*s34^2) - 
   (s12*s13*s23)/(s134*s234*s34^2) - (s13^2*s23)/(s134*s234*s34^2) + 
   (3*s14*s23)/(2*s234*s34^2) + (s13*s14*s23)/(2*s12*s234*s34^2) + 
   (s12*s14*s23)/(s134*s234*s34^2) + (s14^2*s23)/(s12*s234*s34^2) + 
   (s14^2*s23)/(s134*s234*s34^2) - (3*s23^2)/(2*s234*s34^2) - 
   (5*s13*s23^2)/(2*s12*s234*s34^2) - (s13*s23^2)/(s134*s234*s34^2) - 
   (s14*s23^2)/(s12*s234*s34^2) + (s14*s23^2)/(s134*s234*s34^2) - 
   (2*s23^3)/(s12*s234*s34^2) - (s13^2*s24)/(s12^2*s34^2) - 
   (s13^2*s24)/(2*s12*s134*s34^2) - (s13*s14*s24)/(s12^2*s34^2) - 
   (s13*s14*s24)/(2*s12*s134*s34^2) + (s23*s24)/(s12*s34^2) - 
   (s13*s23*s24)/(s12^2*s34^2) - (s13*s23*s24)/(s12*s134*s34^2) + 
   (s14*s23*s24)/(s12^2*s34^2) - (2*s23^2*s24)/(s12^2*s34^2) - 
   (s13*s24)/(2*s234*s34^2) - (s13^2*s24)/(2*s12*s234*s34^2) - 
   (s13*s14*s24)/(2*s12*s234*s34^2) + (3*s23*s24)/(2*s234*s34^2) - 
   (s13*s23*s24)/(s134*s234*s34^2) + (2*s14*s23*s24)/(s12*s234*s34^2) + 
   (s14*s23*s24)/(s134*s234*s34^2) - (s23^2*s24)/(s12*s234*s34^2) - 
   (s13*s24^2)/(s12^2*s34^2) - (s13*s24^2)/(2*s12*s134*s34^2) - 
   (s13*s24^2)/(2*s12*s234*s34^2) + (s23*s24^2)/(s12*s234*s34^2) - 
   D/(2*s34) + s13/(s12*s34) - (D*s13)/(2*s12*s34) + s13/(2*s123*s34) + 
   (D*s13)/(4*s123*s34) + s13/(s124*s34) - (D*s13)/(4*s124*s34) + 
   s13^2/(2*s12*s123*s34) + (D*s13^2)/(4*s12*s123*s34) + 
   s13^2/(s12*s124*s34) - (D*s13^2)/(4*s12*s124*s34) - (D*s12)/(4*s134*s34) + 
   s13/(2*s134*s34) - (D*s13)/(4*s134*s34) + (2*s12*s13)/(s123*s134*s34) + 
   (2*s13^2)/(s123*s134*s34) - (D*s14)/(2*s12*s34) + 
   (s13*s14)/(2*s12*s123*s34) + (D*s13*s14)/(4*s12*s123*s34) + 
   (s13*s14)/(s12*s124*s34) - (D*s13*s14)/(4*s12*s124*s34) - 
   (D*s14)/(4*s134*s34) + (2*s13*s14)/(s123*s134*s34) + (2*s23)/(s12*s34) - 
   (D*s23)/(2*s12*s34) - s23/(2*s123*s34) + (D*s23)/(4*s123*s34) + 
   (2*s23)/(s124*s34) - (D*s23)/(4*s124*s34) + (s13*s23)/(s12^2*s34) + 
   (s13*s23)/(s12*s123*s34) + (D*s13*s23)/(2*s12*s123*s34) + 
   (3*s13*s23)/(s12*s124*s34) - (D*s13*s23)/(2*s12*s124*s34) + 
   (s13^2*s23)/(s12^2*s123*s34) + (2*s23)/(s134*s34) - (D*s23)/(2*s134*s34) + 
   (3*s13*s23)/(2*s12*s134*s34) - (D*s13*s23)/(4*s12*s134*s34) + 
   (D*s13*s23)/(2*s123*s134*s34) - (s13*s23)/(s124*s134*s34) + 
   (D*s13*s23)/(4*s124*s134*s34) - (2*s13^2*s23)/(s12*s123*s134*s34) + 
   (D*s13^2*s23)/(2*s12*s123*s134*s34) - (s13^2*s23)/(s12*s124*s134*s34) + 
   (D*s13^2*s23)/(4*s12*s124*s134*s34) + (2*s14*s23)/(s12^2*s34) + 
   (s14*s23)/(2*s12*s123*s34) + (D*s14*s23)/(4*s12*s123*s34) + 
   (2*s14*s23)/(s12*s124*s34) - (D*s14*s23)/(4*s12*s124*s34) + 
   (2*s13*s14*s23)/(s12^2*s123*s34) + (2*s14*s23)/(s12*s134*s34) - 
   (D*s14*s23)/(4*s12*s134*s34) + (s14*s23)/(s124*s134*s34) - 
   (2*s13*s14*s23)/(s12*s123*s134*s34) + (D*s13*s14*s23)/
    (2*s12*s123*s134*s34) + (D*s13*s14*s23)/(4*s12*s124*s134*s34) + 
   (s14^2*s23)/(s12^2*s123*s34) + (s14^2*s23)/(s12*s124*s134*s34) - 
   s23^2/(s12^2*s34) - (5*s23^2)/(2*s12*s123*s34) + 
   (D*s23^2)/(4*s12*s123*s34) + (2*s23^2)/(s12*s124*s34) - 
   (D*s23^2)/(4*s12*s124*s34) - (s13*s23^2)/(s12^2*s123*s34) + 
   (2*s23^2)/(s12*s134*s34) - (D*s23^2)/(4*s12*s134*s34) - 
   (2*s23^2)/(s123*s134*s34) + (D*s23^2)/(2*s123*s134*s34) - 
   s23^2/(s124*s134*s34) + (D*s23^2)/(4*s124*s134*s34) - 
   (4*s13*s23^2)/(s12*s123*s134*s34) + (D*s13*s23^2)/(s12*s123*s134*s34) - 
   (2*s13*s23^2)/(s12*s124*s134*s34) + (D*s13*s23^2)/(2*s12*s124*s134*s34) - 
   (s14*s23^2)/(s12^2*s123*s34) - (2*s14*s23^2)/(s12*s123*s134*s34) + 
   (D*s14*s23^2)/(2*s12*s123*s134*s34) + (D*s14*s23^2)/
    (4*s12*s124*s134*s34) - (2*s23^3)/(s12^2*s123*s34) - 
   (2*s23^3)/(s12*s123*s134*s34) + (D*s23^3)/(2*s12*s123*s134*s34) - 
   s23^3/(s12*s124*s134*s34) + (D*s23^3)/(4*s12*s124*s134*s34) - 
   (D*s12)/(4*s234*s34) - (D*s13)/(4*s234*s34) - s12^2/(s134*s234*s34) - 
   (s12*s13)/(s134*s234*s34) - (D*s14)/(4*s234*s34) - 
   (s12*s14)/(s134*s234*s34) + (2*s12*s23)/(s124*s234*s34) - 
   (s13*s23)/(s12*s234*s34) + (D*s13*s23)/(4*s12*s234*s34) - 
   (s13*s23)/(s123*s234*s34) + (D*s13*s23)/(4*s123*s234*s34) + 
   (D*s13*s23)/(2*s124*s234*s34) - (s13^2*s23)/(s12*s123*s234*s34) + 
   (D*s13^2*s23)/(4*s12*s123*s234*s34) - (2*s13^2*s23)/(s12*s124*s234*s34) + 
   (D*s13^2*s23)/(2*s12*s124*s234*s34) + (2*s12*s23)/(s134*s234*s34) - 
   (D*s12*s23)/(2*s134*s234*s34) + (2*s13*s23)/(s134*s234*s34) - 
   (D*s13*s23)/(2*s134*s234*s34) + (s14*s23)/(2*s12*s234*s34) + 
   (D*s14*s23)/(4*s12*s234*s34) - (s14*s23)/(s123*s234*s34) + 
   (2*s14*s23)/(s124*s234*s34) - (2*s13*s14*s23)/(s12*s123*s234*s34) + 
   (D*s13*s14*s23)/(4*s12*s123*s234*s34) - (2*s13*s14*s23)/
    (s12*s124*s234*s34) + (D*s13*s14*s23)/(2*s12*s124*s234*s34) + 
   (4*s14*s23)/(s134*s234*s34) - (D*s14*s23)/(2*s134*s234*s34) - 
   (s14^2*s23)/(s12*s123*s234*s34) - (5*s23^2)/(2*s12*s234*s34) + 
   (D*s23^2)/(4*s12*s234*s34) + s23^2/(s123*s234*s34) + 
   (D*s23^2)/(4*s123*s234*s34) + (D*s23^2)/(2*s124*s234*s34) + 
   (D*s13*s23^2)/(2*s12*s123*s234*s34) - (4*s13*s23^2)/(s12*s124*s234*s34) + 
   (D*s13*s23^2)/(s12*s124*s234*s34) + (3*s23^2)/(s134*s234*s34) - 
   (D*s23^2)/(2*s134*s234*s34) + (D*s14*s23^2)/(4*s12*s123*s234*s34) - 
   (2*s14*s23^2)/(s12*s124*s234*s34) + (D*s14*s23^2)/(2*s12*s124*s234*s34) + 
   s23^3/(s12*s123*s234*s34) + (D*s23^3)/(4*s12*s123*s234*s34) - 
   (2*s23^3)/(s12*s124*s234*s34) + (D*s23^3)/(2*s12*s124*s234*s34) + 
   s24/(s12*s34) - (D*s24)/(2*s12*s34) + (D*s13*s24)/(4*s12*s123*s34) + 
   (s13*s24)/(2*s12*s124*s34) - (D*s13*s24)/(4*s12*s124*s34) - 
   (s13^2*s24)/(2*s12^2*s123*s34) - (s13^2*s24)/(2*s12^2*s124*s34) + 
   s24/(s134*s34) - (D*s24)/(2*s134*s34) + (s13*s24)/(2*s12*s134*s34) - 
   (D*s13*s24)/(4*s12*s134*s34) + (D*s13*s24)/(2*s123*s134*s34) + 
   (D*s13*s24)/(4*s124*s134*s34) - (2*s13^2*s24)/(s12*s123*s134*s34) + 
   (D*s13^2*s24)/(2*s12*s123*s134*s34) + (D*s13^2*s24)/
    (4*s12*s124*s134*s34) + (s14*s24)/(s12^2*s34) - 
   (s13*s14*s24)/(2*s12^2*s123*s34) - (s13*s14*s24)/(2*s12^2*s124*s34) + 
   (s14*s24)/(s12*s134*s34) - (D*s14*s24)/(4*s12*s134*s34) - 
   (2*s13*s14*s24)/(s12*s123*s134*s34) + (D*s13*s14*s24)/
    (2*s12*s123*s134*s34) + (D*s13*s14*s24)/(4*s12*s124*s134*s34) + 
   (2*s23*s24)/(s12^2*s34) - (s23*s24)/(s12*s123*s34) + 
   (D*s23*s24)/(4*s12*s123*s34) + (3*s23*s24)/(2*s12*s124*s34) - 
   (D*s23*s24)/(4*s12*s124*s34) - (s13*s23*s24)/(s12^2*s124*s34) + 
   (3*s23*s24)/(s12*s134*s34) - (D*s23*s24)/(2*s12*s134*s34) - 
   (2*s23*s24)/(s123*s134*s34) + (D*s23*s24)/(2*s123*s134*s34) - 
   (s23*s24)/(s124*s134*s34) + (D*s23*s24)/(4*s124*s134*s34) - 
   (6*s13*s23*s24)/(s12*s123*s134*s34) + (3*D*s13*s23*s24)/
    (2*s12*s123*s134*s34) - (2*s13*s23*s24)/(s12*s124*s134*s34) + 
   (3*D*s13*s23*s24)/(4*s12*s124*s134*s34) + 
   (s14*s23*s24)/(2*s12^2*s123*s34) - (s14*s23*s24)/(2*s12^2*s124*s34) - 
   (2*s14*s23*s24)/(s12*s123*s134*s34) + (D*s14*s23*s24)/
    (2*s12*s123*s134*s34) + (D*s14*s23*s24)/(4*s12*s124*s134*s34) - 
   (5*s23^2*s24)/(2*s12^2*s123*s34) - (s23^2*s24)/(2*s12^2*s124*s34) - 
   (4*s23^2*s24)/(s12*s123*s134*s34) + (D*s23^2*s24)/(s12*s123*s134*s34) - 
   (2*s23^2*s24)/(s12*s124*s134*s34) + (D*s23^2*s24)/(2*s12*s124*s134*s34) + 
   s24/(2*s234*s34) + (D*s13*s24)/(4*s12*s234*s34) + 
   (D*s13*s24)/(4*s123*s234*s34) - (2*s13*s24)/(s124*s234*s34) + 
   (D*s13*s24)/(2*s124*s234*s34) + (D*s13^2*s24)/(4*s12*s123*s234*s34) - 
   (2*s13^2*s24)/(s12*s124*s234*s34) + (D*s13^2*s24)/(2*s12*s124*s234*s34) + 
   (s12*s24)/(s134*s234*s34) - (D*s12*s24)/(2*s134*s234*s34) + 
   (2*s13*s24)/(s134*s234*s34) - (D*s13*s24)/(2*s134*s234*s34) + 
   (s14*s24)/(2*s12*s234*s34) + (D*s14*s24)/(4*s12*s234*s34) + 
   (D*s13*s14*s24)/(4*s12*s123*s234*s34) - (2*s13*s14*s24)/
    (s12*s124*s234*s34) + (D*s13*s14*s24)/(2*s12*s124*s234*s34) + 
   (2*s14*s24)/(s134*s234*s34) - (D*s14*s24)/(2*s134*s234*s34) + 
   (s23*s24)/(s12*s234*s34) + (D*s23*s24)/(2*s12*s234*s34) - 
   (s23*s24)/(s123*s234*s34) + (D*s23*s24)/(4*s123*s234*s34) + 
   (D*s23*s24)/(2*s124*s234*s34) - (2*s13*s23*s24)/(s12*s123*s234*s34) + 
   (3*D*s13*s23*s24)/(4*s12*s123*s234*s34) - 
   (6*s13*s23*s24)/(s12*s124*s234*s34) + (3*D*s13*s23*s24)/
    (2*s12*s124*s234*s34) + (5*s23*s24)/(s134*s234*s34) - 
   (D*s23*s24)/(s134*s234*s34) - (2*s14*s23*s24)/(s12*s123*s234*s34) + 
   (D*s14*s23*s24)/(4*s12*s123*s234*s34) - (2*s14*s23*s24)/
    (s12*s124*s234*s34) + (D*s14*s23*s24)/(2*s12*s124*s234*s34) + 
   (D*s23^2*s24)/(2*s12*s123*s234*s34) - (4*s23^2*s24)/(s12*s124*s234*s34) + 
   (D*s23^2*s24)/(s12*s124*s234*s34) + s24^2/(s12^2*s34) - 
   (s13*s24^2)/(2*s12^2*s123*s34) - (s13*s24^2)/(2*s12^2*s124*s34) + 
   s24^2/(s12*s134*s34) - (D*s24^2)/(4*s12*s134*s34) - 
   (2*s13*s24^2)/(s12*s123*s134*s34) + (D*s13*s24^2)/(2*s12*s123*s134*s34) + 
   (D*s13*s24^2)/(4*s12*s124*s134*s34) - (s23*s24^2)/(2*s12^2*s123*s34) - 
   (s23*s24^2)/(2*s12^2*s124*s34) - (2*s23*s24^2)/(s12*s123*s134*s34) + 
   (D*s23*s24^2)/(2*s12*s123*s134*s34) - (s23*s24^2)/(s12*s124*s134*s34) + 
   (D*s23*s24^2)/(4*s12*s124*s134*s34) + s24^2/(2*s12*s234*s34) + 
   (D*s24^2)/(4*s12*s234*s34) + (D*s13*s24^2)/(4*s12*s123*s234*s34) - 
   (2*s13*s24^2)/(s12*s124*s234*s34) + (D*s13*s24^2)/(2*s12*s124*s234*s34) + 
   (2*s24^2)/(s134*s234*s34) - (D*s24^2)/(2*s134*s234*s34) - 
   (s23*s24^2)/(s12*s123*s234*s34) + (D*s23*s24^2)/(4*s12*s123*s234*s34) - 
   (2*s23*s24^2)/(s12*s124*s234*s34) + (D*s23*s24^2)/(2*s12*s124*s234*s34) - 
   (D*s34)/(4*s12*s123) - (D*s34)/(4*s12*s124) - s34/(s123*s124) + 
   (s13*s34)/(s12*s123*s124) - (D*s13*s34)/(2*s12*s123*s124) + 
   (2*s34)/(s123*s134) - (D*s34)/(2*s123*s134) + (D*s34)/(4*s124*s134) - 
   (s14*s34)/(s12*s123*s124) + (s23*s34)/(2*s12^2*s123) + 
   (2*s23*s34)/(s12*s123*s124) - (D*s23*s34)/(2*s12*s123*s124) + 
   (2*s23*s34)/(s12*s123*s134) + (s14*s23*s34)/(s12^2*s123*s124) + 
   (D*s34)/(4*s123*s234) + (2*s34)/(s124*s234) - (D*s34)/(2*s124*s234) + 
   (s24*s34)/(2*s12^2*s124) - (s24*s34)/(s12*s123*s124) - 
   (s23*s24*s34)/(s12^2*s123*s124) + (2*s24*s34)/(s12*s124*s234) - 
   s34^2/(s12*s123*s124) - (s23*z1)/(s12^2*z12) - 
   (3*s23*z1)/(2*s12*s123*z12) - (s23*z1)/(s12*s124*z12) - 
   (s23*z1)/(s123*s124*z12) - (3*s13*s23*z1)/(2*s12^2*s123*z12) - 
   (s13*s23*z1)/(s12*s123*s124*z12) - (3*s14*s23*z1)/(2*s12^2*s123*z12) - 
   (2*s14*s23*z1)/(s12*s123*s124*z12) - (s13*s14*s23*z1)/
    (s12^2*s123*s124*z12) - (s14^2*s23*z1)/(s12^2*s123*s124*z12) - 
   (3*s23^2*z1)/(2*s12^2*s123*z12) - (s23^2*z1)/(s12*s123*s124*z12) - 
   (s14*s23^2*z1)/(s12^2*s123*s124*z12) - (s23*z1)/(2*s12*s234*z12) - 
   (s24*z1)/(s12^2*z12) - (s24*z1)/(2*s12*s124*z12) + 
   (s13*s24*z1)/(2*s12^2*s123*z12) - (s14*s24*z1)/(2*s12^2*s124*z12) - 
   (s23*s24*z1)/(s12^2*s123*z12) - (2*s23*s24*z1)/(s12*s123*s124*z12) - 
   (s13*s23*s24*z1)/(s12^2*s123*s124*z12) - (2*s14*s23*s24*z1)/
    (s12^2*s123*s124*z12) - (s23^2*s24*z1)/(s12^2*s123*s124*z12) - 
   (s24*z1)/(2*s12*s234*z12) - (s24^2*z1)/(2*s12^2*s124*z12) - 
   (s23*s24^2*z1)/(s12^2*s123*s124*z12) - (s23*z1)/(s34^2*z12) - 
   (s13*s23*z1)/(s12*s34^2*z12) + (s13*s23*z1)/(4*s134*s34^2*z12) + 
   (s13^2*s23*z1)/(4*s12*s134*s34^2*z12) - (2*s14*s23*z1)/(s12*s34^2*z12) - 
   (s13*s14*s23*z1)/(s12^2*s34^2*z12) - (s14*s23*z1)/(4*s134*s34^2*z12) - 
   (s14^2*s23*z1)/(s12^2*s34^2*z12) - (s14^2*s23*z1)/(4*s12*s134*s34^2*z12) - 
   (s23^2*z1)/(s12*s34^2*z12) + (s23^2*z1)/(4*s134*s34^2*z12) + 
   (s13*s23^2*z1)/(2*s12*s134*s34^2*z12) - (s14*s23^2*z1)/(s12^2*s34^2*z12) + 
   (s23^3*z1)/(4*s12*s134*s34^2*z12) + (s13*s23*z1)/(4*s234*s34^2*z12) + 
   (s13^2*s23*z1)/(4*s12*s234*s34^2*z12) - (s14*s23*z1)/(4*s234*s34^2*z12) - 
   (s14^2*s23*z1)/(4*s12*s234*s34^2*z12) + (s23^2*z1)/(4*s234*s34^2*z12) + 
   (s13*s23^2*z1)/(2*s12*s234*s34^2*z12) + 
   (s23^3*z1)/(4*s12*s234*s34^2*z12) + (s13*s24*z1)/(s12*s34^2*z12) + 
   (s13^2*s24*z1)/(s12^2*s34^2*z12) + (s13*s14*s24*z1)/(s12^2*s34^2*z12) - 
   (s23*s24*z1)/(s12*s34^2*z12) + (s13*s23*s24*z1)/(s12^2*s34^2*z12) - 
   (s23*s24*z1)/(4*s134*s34^2*z12) - (s14*s23*s24*z1)/(s12^2*s34^2*z12) - 
   (s14*s23*s24*z1)/(2*s12*s134*s34^2*z12) - 
   (s23*s24*z1)/(4*s234*s34^2*z12) - (s14*s23*s24*z1)/
    (2*s12*s234*s34^2*z12) + (s13*s24^2*z1)/(s12^2*s34^2*z12) - 
   (s23*s24^2*z1)/(4*s12*s134*s34^2*z12) - 
   (s23*s24^2*z1)/(4*s12*s234*s34^2*z12) - (2*s23*z1)/(s12*s34*z12) - 
   (s23*z1)/(s123*s34*z12) - (s23*z1)/(s124*s34*z12) - 
   (s13*s23*z1)/(s12^2*s34*z12) - (2*s13*s23*z1)/(s12*s123*s34*z12) - 
   (s13*s23*z1)/(s12*s124*s34*z12) - (s13^2*s23*z1)/(s12^2*s123*s34*z12) + 
   (s13*s23*z1)/(4*s12*s134*s34*z12) - (2*s14*s23*z1)/(s12^2*s34*z12) - 
   (2*s14*s23*z1)/(s12*s123*s34*z12) - (s14*s23*z1)/(s12*s124*s34*z12) - 
   (2*s13*s14*s23*z1)/(s12^2*s123*s34*z12) - 
   (s14*s23*z1)/(4*s12*s134*s34*z12) - (s14^2*s23*z1)/(s12^2*s123*s34*z12) - 
   (s23^2*z1)/(s12^2*s34*z12) - (2*s23^2*z1)/(s12*s123*s34*z12) - 
   (s23^2*z1)/(s12*s124*s34*z12) - (2*s13*s23^2*z1)/(s12^2*s123*s34*z12) + 
   (s23^2*z1)/(4*s12*s134*s34*z12) - (2*s14*s23^2*z1)/(s12^2*s123*s34*z12) - 
   (s23^3*z1)/(s12^2*s123*s34*z12) - (s23*z1)/(2*s234*s34*z12) - 
   (s13*s23*z1)/(4*s12*s234*s34*z12) - (3*s14*s23*z1)/(4*s12*s234*s34*z12) - 
   (s23^2*z1)/(4*s12*s234*s34*z12) - (s24*z1)/(s12*s34*z12) + 
   (s13*s24*z1)/(2*s12*s123*s34*z12) + (s13*s24*z1)/(2*s12*s124*s34*z12) + 
   (s13^2*s24*z1)/(2*s12^2*s123*s34*z12) + 
   (s13^2*s24*z1)/(2*s12^2*s124*s34*z12) - (s14*s24*z1)/(s12^2*s34*z12) + 
   (s13*s14*s24*z1)/(2*s12^2*s123*s34*z12) + (s13*s14*s24*z1)/
    (2*s12^2*s124*s34*z12) - (2*s23*s24*z1)/(s12^2*s34*z12) - 
   (3*s23*s24*z1)/(2*s12*s123*s34*z12) - (s23*s24*z1)/(2*s12*s124*s34*z12) - 
   (s13*s23*s24*z1)/(s12^2*s123*s34*z12) + (s13*s23*s24*z1)/
    (s12^2*s124*s34*z12) - (s23*s24*z1)/(4*s12*s134*s34*z12) - 
   (3*s14*s23*s24*z1)/(2*s12^2*s123*s34*z12) + 
   (s14*s23*s24*z1)/(2*s12^2*s124*s34*z12) - (3*s23^2*s24*z1)/
    (2*s12^2*s123*s34*z12) + (s23^2*s24*z1)/(2*s12^2*s124*s34*z12) - 
   (s24*z1)/(2*s234*s34*z12) - (s13*s24*z1)/(2*s12*s234*s34*z12) - 
   (s14*s24*z1)/(2*s12*s234*s34*z12) - (5*s23*s24*z1)/(4*s12*s234*s34*z12) - 
   (s24^2*z1)/(s12^2*s34*z12) + (s13*s24^2*z1)/(2*s12^2*s123*s34*z12) + 
   (s13*s24^2*z1)/(2*s12^2*s124*s34*z12) - 
   (s23*s24^2*z1)/(2*s12^2*s123*s34*z12) + 
   (s23*s24^2*z1)/(2*s12^2*s124*s34*z12) - (s24^2*z1)/(2*s12*s234*s34*z12) - 
   (s23*s34*z1)/(2*s12^2*s123*z12) - (s23*s34*z1)/(s12*s123*s124*z12) - 
   (s14*s23*s34*z1)/(s12^2*s123*s124*z12) - (s24*s34*z1)/(2*s12^2*s124*z12) - 
   (s23*s24*s34*z1)/(s12^2*s123*s124*z12) + (z1*z2)/(s123*z12^2) + 
   (z1*z2)/(s124*z12^2) + (2*s13*z1*z2)/(s12^2*z12^2) + 
   (s13*z1*z2)/(s12*s123*z12^2) + (2*s14*z1*z2)/(s12^2*z12^2) + 
   (s14*z1*z2)/(s12*s123*z12^2) + (2*s14*z1*z2)/(s12*s124*z12^2) + 
   (s13*s14*z1*z2)/(s12^2*s123*z12^2) + (s14^2*z1*z2)/(s12^2*s124*z12^2) + 
   (2*s23*z1*z2)/(s12^2*z12^2) + (s23*z1*z2)/(s12*s123*z12^2) + 
   (s14*s23*z1*z2)/(s12^2*s123*z12^2) + (2*s24*z1*z2)/(s12^2*z12^2) + 
   (s24*z1*z2)/(s12*s123*z12^2) + (2*s24*z1*z2)/(s12*s124*z12^2) + 
   (s13*s24*z1*z2)/(s12^2*s123*z12^2) + (2*s14*s24*z1*z2)/
    (s12^2*s124*z12^2) + (s23*s24*z1*z2)/(s12^2*s123*z12^2) + 
   (s24^2*z1*z2)/(s12^2*s124*z12^2) - (2*s13*z1*z2)/(s34^2*z12^2) - 
   (4*s13^2*z1*z2)/(s12*s34^2*z12^2) - (2*s13^3*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*s13*s14*z1*z2)/(s12*s34^2*z12^2) - (2*s13^2*s14*z1*z2)/
    (s12^2*s34^2*z12^2) - (2*s23*z1*z2)/(s34^2*z12^2) - 
   (8*s13*s23*z1*z2)/(s12*s34^2*z12^2) - (6*s13^2*s23*z1*z2)/
    (s12^2*s34^2*z12^2) - (2*s14*s23*z1*z2)/(s12*s34^2*z12^2) - 
   (4*s13*s14*s23*z1*z2)/(s12^2*s34^2*z12^2) - 
   (4*s23^2*z1*z2)/(s12*s34^2*z12^2) - (6*s13*s23^2*z1*z2)/
    (s12^2*s34^2*z12^2) - (2*s14*s23^2*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*s23^3*z1*z2)/(s12^2*s34^2*z12^2) - (2*s13*s24*z1*z2)/
    (s12*s34^2*z12^2) - (2*s13^2*s24*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*s23*s24*z1*z2)/(s12*s34^2*z12^2) - (4*s13*s23*s24*z1*z2)/
    (s12^2*s34^2*z12^2) - (2*s23^2*s24*z1*z2)/(s12^2*s34^2*z12^2) - 
   (s13*z1*z2)/(s123*s34*z12^2) - (s13*z1*z2)/(s124*s34*z12^2) - 
   (2*s13^2*z1*z2)/(s12*s123*s34*z12^2) - 
   (s13^2*z1*z2)/(s12*s124*s34*z12^2) - (s13^3*z1*z2)/
    (s12^2*s123*s34*z12^2) + (2*s14*z1*z2)/(s12*s34*z12^2) + 
   (4*s13*s14*z1*z2)/(s12^2*s34*z12^2) - (s13*s14*z1*z2)/
    (s12*s123*s34*z12^2) - (2*s13*s14*z1*z2)/(s12*s124*s34*z12^2) - 
   (s13^2*s14*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s13^2*s14*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (2*s14^2*z1*z2)/(s12^2*s34*z12^2) - (s13*s14^2*z1*z2)/
    (s12^2*s124*s34*z12^2) - (s23*z1*z2)/(s123*s34*z12^2) - 
   (s23*z1*z2)/(s124*s34*z12^2) - (4*s13*s23*z1*z2)/(s12*s123*s34*z12^2) - 
   (2*s13*s23*z1*z2)/(s12*s124*s34*z12^2) - (3*s13^2*s23*z1*z2)/
    (s12^2*s123*s34*z12^2) + (4*s14*s23*z1*z2)/(s12^2*s34*z12^2) - 
   (s14*s23*z1*z2)/(s12*s123*s34*z12^2) - (2*s14*s23*z1*z2)/
    (s12*s124*s34*z12^2) - (2*s13*s14*s23*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s13*s14*s23*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (s14^2*s23*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (2*s23^2*z1*z2)/(s12*s123*s34*z12^2) - 
   (s23^2*z1*z2)/(s12*s124*s34*z12^2) - (3*s13*s23^2*z1*z2)/
    (s12^2*s123*s34*z12^2) - (s14*s23^2*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s14*s23^2*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (s23^3*z1*z2)/(s12^2*s123*s34*z12^2) + (2*s24*z1*z2)/(s12*s34*z12^2) + 
   (4*s13*s24*z1*z2)/(s12^2*s34*z12^2) - (s13*s24*z1*z2)/
    (s12*s123*s34*z12^2) - (2*s13*s24*z1*z2)/(s12*s124*s34*z12^2) - 
   (s13^2*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s13^2*s24*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (4*s14*s24*z1*z2)/(s12^2*s34*z12^2) - (2*s13*s14*s24*z1*z2)/
    (s12^2*s124*s34*z12^2) + (4*s23*s24*z1*z2)/(s12^2*s34*z12^2) - 
   (s23*s24*z1*z2)/(s12*s123*s34*z12^2) - (2*s23*s24*z1*z2)/
    (s12*s124*s34*z12^2) - (2*s13*s23*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s13*s23*s24*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (2*s14*s23*s24*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (s23^2*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s23^2*s24*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (2*s24^2*z1*z2)/(s12^2*s34*z12^2) - (s13*s24^2*z1*z2)/
    (s12^2*s124*s34*z12^2) - (s23*s24^2*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (s34*z1*z2)/(s12*s123*z12^2) + (s34*z1*z2)/(s12*s124*z12^2) + 
   (s13*s34*z1*z2)/(s12^2*s123*z12^2) + (s14*s34*z1*z2)/(s12^2*s124*z12^2) + 
   (s23*s34*z1*z2)/(s12^2*s123*z12^2) + (s24*s34*z1*z2)/(s12^2*s124*z12^2) + 
   z2/(s12*z12) - (2*s13*z2)/(s12^2*z12) - (s12*z2)/(s123*s134*z12) + 
   (s12*z2)/(2*s124*s134*z12) - (3*s13*z2)/(4*s12*s134*z12) - 
   (s13*z2)/(2*s124*s134*z12) + (s13^2*z2)/(s12*s123*s134*z12) - 
   (2*s14*z2)/(s12^2*z12) - (s14*z2)/(s12*s124*z12) - 
   (s13*s14*z2)/(s12^2*s123*z12) - (3*s14*z2)/(4*s12*s134*z12) - 
   (s14*z2)/(s123*s134*z12) + (s14*z2)/(s124*s134*z12) - 
   (s13*s14*z2)/(s12*s123*s134*z12) - (s13*s14*z2)/(2*s12*s124*s134*z12) - 
   (s14^2*z2)/(s12^2*s124*z12) + (s14^2*z2)/(2*s12*s124*s134*z12) - 
   (s23*z2)/(s12^2*z12) + (3*s23*z2)/(2*s12*s123*z12) + 
   (s23*z2)/(s12*s124*z12) + (s23*z2)/(s123*s124*z12) + 
   (3*s13*s23*z2)/(2*s12^2*s123*z12) + (s13*s23*z2)/(s12*s123*s124*z12) - 
   (s23*z2)/(4*s12*s134*z12) - (2*s23*z2)/(s123*s134*z12) + 
   (s23*z2)/(2*s124*s134*z12) + (s14*s23*z2)/(2*s12^2*s123*z12) + 
   (2*s14*s23*z2)/(s12*s123*s124*z12) + (s13*s14*s23*z2)/
    (s12^2*s123*s124*z12) - (s14*s23*z2)/(s12*s123*s134*z12) + 
   (s14*s23*z2)/(2*s12*s124*s134*z12) + (s14^2*s23*z2)/
    (s12^2*s123*s124*z12) + (3*s23^2*z2)/(2*s12^2*s123*z12) + 
   (s23^2*z2)/(s12*s123*s124*z12) - (s23^2*z2)/(s12*s123*s134*z12) + 
   (s14*s23^2*z2)/(s12^2*s123*s124*z12) + (s12*z2)/(2*s123*s234*z12) - 
   (s12*z2)/(s124*s234*z12) - (3*s13*z2)/(4*s12*s234*z12) + 
   (s13*z2)/(s123*s234*z12) - (s13*z2)/(s124*s234*z12) + 
   (s13^2*z2)/(2*s12*s123*s234*z12) - (3*s14*z2)/(4*s12*s234*z12) + 
   (s14*z2)/(2*s123*s234*z12) - (2*s14*z2)/(s124*s234*z12) + 
   (s13*s14*z2)/(2*s12*s123*s234*z12) - (s13*s14*z2)/(s12*s124*s234*z12) - 
   (s14^2*z2)/(s12*s124*s234*z12) - (3*s23*z2)/(4*s12*s234*z12) + 
   (s23*z2)/(s124*s234*z12) + (s14*s23*z2)/(2*s12*s123*s234*z12) + 
   (s14*s23*z2)/(s12*s124*s234*z12) - (s23^2*z2)/(2*s12*s123*s234*z12) - 
   (s24*z2)/(s12^2*z12) - (s24*z2)/(2*s12*s124*z12) - 
   (3*s13*s24*z2)/(2*s12^2*s123*z12) - (s24*z2)/(4*s12*s134*z12) - 
   (s24*z2)/(s123*s134*z12) + (s24*z2)/(s124*s134*z12) - 
   (s13*s24*z2)/(s12*s123*s134*z12) - (s13*s24*z2)/(2*s12*s124*s134*z12) - 
   (3*s14*s24*z2)/(2*s12^2*s124*z12) + (s14*s24*z2)/(s12*s124*s134*z12) + 
   (2*s23*s24*z2)/(s12*s123*s124*z12) + (s13*s23*s24*z2)/
    (s12^2*s123*s124*z12) - (s23*s24*z2)/(s12*s123*s134*z12) + 
   (s23*s24*z2)/(2*s12*s124*s134*z12) + (2*s14*s23*s24*z2)/
    (s12^2*s123*s124*z12) + (s23^2*s24*z2)/(s12^2*s123*s124*z12) - 
   (3*s24*z2)/(4*s12*s234*z12) + (s24*z2)/(2*s123*s234*z12) - 
   (2*s24*z2)/(s124*s234*z12) + (s13*s24*z2)/(2*s12*s123*s234*z12) - 
   (s13*s24*z2)/(s12*s124*s234*z12) - (2*s14*s24*z2)/(s12*s124*s234*z12) + 
   (s23*s24*z2)/(2*s12*s123*s234*z12) + (s23*s24*z2)/(s12*s124*s234*z12) - 
   (s24^2*z2)/(2*s12^2*s124*z12) + (s24^2*z2)/(2*s12*s124*s134*z12) + 
   (s23*s24^2*z2)/(s12^2*s123*s124*z12) - (s24^2*z2)/(s12*s124*s234*z12) + 
   (s13*z2)/(s34^2*z12) + (3*s13^2*z2)/(s12*s34^2*z12) + 
   (2*s13^3*z2)/(s12^2*s34^2*z12) + (s12*s13*z2)/(s134*s34^2*z12) + 
   (9*s13^2*z2)/(4*s134*s34^2*z12) + (5*s13^3*z2)/(4*s12*s134*s34^2*z12) + 
   (s13*s14*z2)/(s12*s34^2*z12) + (2*s13^2*s14*z2)/(s12^2*s34^2*z12) + 
   (3*s13*s14*z2)/(4*s134*s34^2*z12) + (s13^2*s14*z2)/(s12*s134*s34^2*z12) - 
   (s13*s14^2*z2)/(4*s12*s134*s34^2*z12) + (2*s23*z2)/(s34^2*z12) + 
   (7*s13*s23*z2)/(s12*s34^2*z12) + (6*s13^2*s23*z2)/(s12^2*s34^2*z12) + 
   (9*s13*s23*z2)/(4*s134*s34^2*z12) + (5*s13^2*s23*z2)/
    (2*s12*s134*s34^2*z12) + (3*s14*s23*z2)/(s12*s34^2*z12) + 
   (5*s13*s14*s23*z2)/(s12^2*s34^2*z12) - (s14*s23*z2)/(2*s134*s34^2*z12) + 
   (s13*s14*s23*z2)/(2*s12*s134*s34^2*z12) + 
   (s14^2*s23*z2)/(s12^2*s34^2*z12) - (s14^2*s23*z2)/(2*s12*s134*s34^2*z12) + 
   (4*s23^2*z2)/(s12*s34^2*z12) + (6*s13*s23^2*z2)/(s12^2*s34^2*z12) + 
   (5*s13*s23^2*z2)/(4*s12*s134*s34^2*z12) + (3*s14*s23^2*z2)/
    (s12^2*s34^2*z12) - (s14*s23^2*z2)/(2*s12*s134*s34^2*z12) + 
   (2*s23^3*z2)/(s12^2*s34^2*z12) + (s13^2*z2)/(4*s234*s34^2*z12) + 
   (s13^3*z2)/(4*s12*s234*s34^2*z12) - (s13*s14*z2)/(4*s234*s34^2*z12) - 
   (s13*s14^2*z2)/(4*s12*s234*s34^2*z12) + (s12*s23*z2)/(s234*s34^2*z12) + 
   (9*s13*s23*z2)/(4*s234*s34^2*z12) + (3*s13^2*s23*z2)/
    (2*s12*s234*s34^2*z12) + (3*s14*s23*z2)/(2*s234*s34^2*z12) + 
   (3*s13*s14*s23*z2)/(2*s12*s234*s34^2*z12) + 
   (s14^2*s23*z2)/(2*s12*s234*s34^2*z12) + (2*s23^2*z2)/(s234*s34^2*z12) + 
   (9*s13*s23^2*z2)/(4*s12*s234*s34^2*z12) + (3*s14*s23^2*z2)/
    (2*s12*s234*s34^2*z12) + (s23^3*z2)/(s12*s234*s34^2*z12) + 
   (s13^2*s24*z2)/(s12^2*s34^2*z12) + (5*s13*s24*z2)/(4*s134*s34^2*z12) + 
   (3*s13^2*s24*z2)/(2*s12*s134*s34^2*z12) - (s13*s14*s24*z2)/
    (s12^2*s34^2*z12) + (2*s23*s24*z2)/(s12*s34^2*z12) + 
   (3*s13*s23*s24*z2)/(s12^2*s34^2*z12) + (3*s13*s23*s24*z2)/
    (2*s12*s134*s34^2*z12) + (s14*s23*s24*z2)/(s12^2*s34^2*z12) - 
   (s14*s23*s24*z2)/(2*s12*s134*s34^2*z12) + (2*s23^2*s24*z2)/
    (s12^2*s34^2*z12) - (3*s13*s24*z2)/(4*s234*s34^2*z12) - 
   (s13^2*s24*z2)/(2*s12*s234*s34^2*z12) - (s13*s14*s24*z2)/
    (s12*s234*s34^2*z12) + (s23*s24*z2)/(s234*s34^2*z12) + 
   (s13*s23*s24*z2)/(2*s12*s234*s34^2*z12) + (s14*s23*s24*z2)/
    (2*s12*s234*s34^2*z12) + (s23^2*s24*z2)/(s12*s234*s34^2*z12) - 
   (s13*s24^2*z2)/(s12^2*s34^2*z12) + (s13*s24^2*z2)/(4*s12*s134*s34^2*z12) - 
   (3*s13*s24^2*z2)/(4*s12*s234*s34^2*z12) + z2/(s34*z12) + 
   (s13*z2)/(s123*s34*z12) + (2*s13^2*z2)/(s12*s123*s34*z12) + 
   (s13^3*z2)/(s12^2*s123*s34*z12) + (s13*z2)/(4*s134*s34*z12) + 
   (2*s12*s13*z2)/(s123*s134*s34*z12) - (s12*s13*z2)/(s124*s134*s34*z12) + 
   (s13^2*z2)/(2*s12*s134*s34*z12) + (4*s13^2*z2)/(s123*s134*s34*z12) - 
   (s13^2*z2)/(s124*s134*s34*z12) + (2*s13^3*z2)/(s12*s123*s134*s34*z12) - 
   (s14*z2)/(s12*s34*z12) - (4*s13*s14*z2)/(s12^2*s34*z12) + 
   (s13*s14*z2)/(s12*s123*s34*z12) + (s13*s14*z2)/(s12*s124*s34*z12) + 
   (s13^2*s14*z2)/(s12^2*s123*s34*z12) + (s13^2*s14*z2)/
    (s12^2*s124*s34*z12) - (3*s14*z2)/(4*s134*s34*z12) - 
   (7*s13*s14*z2)/(4*s12*s134*s34*z12) + (2*s13*s14*z2)/(s123*s134*s34*z12) - 
   (2*s13*s14*z2)/(s124*s134*s34*z12) + (2*s13^2*s14*z2)/
    (s12*s123*s134*s34*z12) - (s13^2*s14*z2)/(s12*s124*s134*s34*z12) - 
   (2*s14^2*z2)/(s12^2*s34*z12) + (s13*s14^2*z2)/(s12^2*s124*s34*z12) - 
   (3*s14^2*z2)/(4*s12*s134*s34*z12) - (s13*s14^2*z2)/
    (s12*s124*s134*s34*z12) + (2*s23*z2)/(s12*s34*z12) + 
   (2*s23*z2)/(s123*s34*z12) + (s23*z2)/(s124*s34*z12) + 
   (s13*s23*z2)/(s12^2*s34*z12) + (6*s13*s23*z2)/(s12*s123*s34*z12) + 
   (s13*s23*z2)/(s12*s124*s34*z12) + (4*s13^2*s23*z2)/(s12^2*s123*s34*z12) - 
   (s23*z2)/(4*s134*s34*z12) + (s13*s23*z2)/(4*s12*s134*s34*z12) + 
   (4*s13*s23*z2)/(s123*s134*s34*z12) - (s13*s23*z2)/(s124*s134*s34*z12) + 
   (4*s13^2*s23*z2)/(s12*s123*s134*s34*z12) - 
   (2*s14*s23*z2)/(s12^2*s34*z12) + (3*s14*s23*z2)/(s12*s123*s34*z12) + 
   (2*s14*s23*z2)/(s12*s124*s34*z12) + (4*s13*s14*s23*z2)/
    (s12^2*s123*s34*z12) + (2*s13*s14*s23*z2)/(s12^2*s124*s34*z12) - 
   (3*s14*s23*z2)/(2*s12*s134*s34*z12) + (2*s13*s14*s23*z2)/
    (s12*s123*s134*s34*z12) - (s13*s14*s23*z2)/(s12*s124*s134*s34*z12) + 
   (s14^2*s23*z2)/(s12^2*s123*s34*z12) + (s14^2*s23*z2)/
    (s12^2*s124*s34*z12) + (s23^2*z2)/(s12^2*s34*z12) + 
   (4*s23^2*z2)/(s12*s123*s34*z12) + (s23^2*z2)/(s12*s124*s34*z12) + 
   (5*s13*s23^2*z2)/(s12^2*s123*s34*z12) - (s23^2*z2)/(4*s12*s134*s34*z12) + 
   (2*s13*s23^2*z2)/(s12*s123*s134*s34*z12) + 
   (3*s14*s23^2*z2)/(s12^2*s123*s34*z12) + 
   (s14*s23^2*z2)/(s12^2*s124*s34*z12) + (2*s23^3*z2)/(s12^2*s123*s34*z12) - 
   (3*s13*z2)/(4*s234*s34*z12) - (s13^2*z2)/(2*s12*s234*s34*z12) - 
   (3*s14*z2)/(4*s234*s34*z12) - (7*s13*s14*z2)/(4*s12*s234*s34*z12) - 
   (3*s14^2*z2)/(4*s12*s234*s34*z12) + (s23*z2)/(4*s234*s34*z12) - 
   (s12*s23*z2)/(s123*s234*s34*z12) + (2*s12*s23*z2)/(s124*s234*s34*z12) - 
   (s13*s23*z2)/(4*s12*s234*s34*z12) - (2*s13*s23*z2)/(s123*s234*s34*z12) + 
   (2*s13*s23*z2)/(s124*s234*s34*z12) - (s13^2*s23*z2)/
    (s12*s123*s234*s34*z12) - (s14*s23*z2)/(s12*s234*s34*z12) - 
   (s14*s23*z2)/(s123*s234*s34*z12) + (4*s14*s23*z2)/(s124*s234*s34*z12) - 
   (s13*s14*s23*z2)/(s12*s123*s234*s34*z12) + (2*s13*s14*s23*z2)/
    (s12*s124*s234*s34*z12) + (2*s14^2*s23*z2)/(s12*s124*s234*s34*z12) + 
   (s23^2*z2)/(4*s12*s234*s34*z12) - (2*s23^2*z2)/(s123*s234*s34*z12) + 
   (2*s23^2*z2)/(s124*s234*s34*z12) - (2*s13*s23^2*z2)/
    (s12*s123*s234*s34*z12) - (s14*s23^2*z2)/(s12*s123*s234*s34*z12) + 
   (2*s14*s23^2*z2)/(s12*s124*s234*s34*z12) - 
   (s23^3*z2)/(s12*s123*s234*s34*z12) - (4*s13*s24*z2)/(s12^2*s34*z12) + 
   (s13*s24*z2)/(2*s12*s123*s34*z12) + (s13*s24*z2)/(2*s12*s124*s34*z12) + 
   (s13^2*s24*z2)/(2*s12^2*s123*s34*z12) + 
   (s13^2*s24*z2)/(2*s12^2*s124*s34*z12) - (s24*z2)/(4*s134*s34*z12) - 
   (3*s13*s24*z2)/(4*s12*s134*s34*z12) + (2*s13*s24*z2)/(s123*s134*s34*z12) - 
   (2*s13*s24*z2)/(s124*s134*s34*z12) + (2*s13^2*s24*z2)/
    (s12*s123*s134*s34*z12) - (s13^2*s24*z2)/(s12*s124*s134*s34*z12) - 
   (3*s14*s24*z2)/(s12^2*s34*z12) - (s13*s14*s24*z2)/(2*s12^2*s123*s34*z12) + 
   (3*s13*s14*s24*z2)/(2*s12^2*s124*s34*z12) - 
   (s14*s24*z2)/(s12*s134*s34*z12) - (2*s13*s14*s24*z2)/
    (s12*s124*s134*s34*z12) - (2*s23*s24*z2)/(s12^2*s34*z12) + 
   (5*s23*s24*z2)/(2*s12*s123*s34*z12) + (3*s23*s24*z2)/
    (2*s12*s124*s34*z12) + (3*s13*s23*s24*z2)/(s12^2*s123*s34*z12) + 
   (s13*s23*s24*z2)/(s12^2*s124*s34*z12) - 
   (s23*s24*z2)/(2*s12*s134*s34*z12) + (2*s13*s23*s24*z2)/
    (s12*s123*s134*s34*z12) - (s13*s23*s24*z2)/(s12*s124*s134*s34*z12) + 
   (3*s14*s23*s24*z2)/(2*s12^2*s123*s34*z12) + 
   (3*s14*s23*s24*z2)/(2*s12^2*s124*s34*z12) + 
   (5*s23^2*s24*z2)/(2*s12^2*s123*s34*z12) + 
   (s23^2*s24*z2)/(2*s12^2*s124*s34*z12) - (3*s24*z2)/(4*s234*s34*z12) - 
   (9*s13*s24*z2)/(4*s12*s234*s34*z12) - (3*s14*s24*z2)/
    (2*s12*s234*s34*z12) - (3*s23*s24*z2)/(2*s12*s234*s34*z12) - 
   (s23*s24*z2)/(s123*s234*s34*z12) + (4*s23*s24*z2)/(s124*s234*s34*z12) - 
   (s13*s23*s24*z2)/(s12*s123*s234*s34*z12) + (2*s13*s23*s24*z2)/
    (s12*s124*s234*s34*z12) + (4*s14*s23*s24*z2)/(s12*s124*s234*s34*z12) - 
   (s23^2*s24*z2)/(s12*s123*s234*s34*z12) + (2*s23^2*s24*z2)/
    (s12*s124*s234*s34*z12) - (s24^2*z2)/(s12^2*s34*z12) - 
   (s13*s24^2*z2)/(2*s12^2*s123*s34*z12) + 
   (s13*s24^2*z2)/(2*s12^2*s124*s34*z12) - (s24^2*z2)/(4*s12*s134*s34*z12) - 
   (s13*s24^2*z2)/(s12*s124*s134*s34*z12) + 
   (s23*s24^2*z2)/(2*s12^2*s123*s34*z12) + 
   (s23*s24^2*z2)/(2*s12^2*s124*s34*z12) - 
   (3*s24^2*z2)/(4*s12*s234*s34*z12) + (2*s23*s24^2*z2)/
    (s12*s124*s234*s34*z12) - (s13*s34*z2)/(s12^2*s123*z12) - 
   (s34*z2)/(s123*s134*z12) + (s34*z2)/(2*s124*s134*z12) - 
   (s13*s34*z2)/(s12*s123*s134*z12) - (s14*s34*z2)/(s12^2*s124*z12) + 
   (s14*s34*z2)/(2*s12*s124*s134*z12) - (s23*s34*z2)/(2*s12^2*s123*z12) + 
   (s23*s34*z2)/(s12*s123*s124*z12) - (s23*s34*z2)/(s12*s123*s134*z12) + 
   (s14*s23*s34*z2)/(s12^2*s123*s124*z12) + (s34*z2)/(2*s123*s234*z12) - 
   (s34*z2)/(s124*s234*z12) + (s13*s34*z2)/(2*s12*s123*s234*z12) - 
   (s14*s34*z2)/(s12*s124*s234*z12) + (s23*s34*z2)/(2*s12*s123*s234*z12) - 
   (s24*s34*z2)/(2*s12^2*s124*z12) + (s24*s34*z2)/(2*s12*s124*s134*z12) + 
   (s23*s24*s34*z2)/(s12^2*s123*s124*z12) - 
   (s24*s34*z2)/(s12*s124*s234*z12) + z3/(s12*z12) + (3*z3)/(2*s123*z12) + 
   z3/(s124*z12) + (s12*z3)/(s123*s124*z12) + (3*s13*z3)/(2*s12*s123*z12) + 
   (s13*z3)/(s123*s124*z12) + (3*s14*z3)/(2*s12*s123*z12) + 
   (2*s14*z3)/(s123*s124*z12) + (s13*s14*z3)/(s12*s123*s124*z12) + 
   (s14^2*z3)/(s12*s123*s124*z12) + (3*s23*z3)/(2*s12*s123*z12) + 
   (s23*z3)/(s123*s124*z12) + (s14*s23*z3)/(s12*s123*s124*z12) + 
   z3/(2*s234*z12) + (3*s24*z3)/(2*s12*s123*z12) + 
   (2*s24*z3)/(s123*s124*z12) + (s13*s24*z3)/(s12*s123*s124*z12) + 
   (s24*z3)/(s123*s134*z12) - (s24*z3)/(2*s124*s134*z12) + 
   (s13*s24*z3)/(s12*s123*s134*z12) + (2*s14*s24*z3)/(s12*s123*s124*z12) - 
   (s14*s24*z3)/(2*s12*s124*s134*z12) + (s23*s24*z3)/(s12*s123*s124*z12) + 
   (s23*s24*z3)/(s12*s123*s134*z12) + (s24*z3)/(2*s123*s234*z12) - 
   (s24*z3)/(s124*s234*z12) + (s13*s24*z3)/(2*s12*s123*s234*z12) - 
   (s14*s24*z3)/(s12*s124*s234*z12) + (s23*s24*z3)/(2*s12*s123*s234*z12) + 
   (s24^2*z3)/(s12*s123*s124*z12) - (s24^2*z3)/(2*s12*s124*s134*z12) - 
   (s24^2*z3)/(s12*s124*s234*z12) + (s12*z3)/(s34^2*z12) + 
   (s13*z3)/(s34^2*z12) - (s12*s13*z3)/(4*s134*s34^2*z12) - 
   (s13^2*z3)/(4*s134*s34^2*z12) + (2*s14*z3)/(s34^2*z12) + 
   (s13*s14*z3)/(s12*s34^2*z12) + (s12*s14*z3)/(4*s134*s34^2*z12) + 
   (s14^2*z3)/(s12*s34^2*z12) + (s14^2*z3)/(4*s134*s34^2*z12) + 
   (s23*z3)/(s34^2*z12) - (s12*s23*z3)/(4*s134*s34^2*z12) - 
   (s13*s23*z3)/(2*s134*s34^2*z12) + (s14*s23*z3)/(s12*s34^2*z12) - 
   (s23^2*z3)/(4*s134*s34^2*z12) - (s12*s13*z3)/(4*s234*s34^2*z12) - 
   (s13^2*z3)/(4*s234*s34^2*z12) + (s12*s14*z3)/(4*s234*s34^2*z12) + 
   (s14^2*z3)/(4*s234*s34^2*z12) - (s12*s23*z3)/(4*s234*s34^2*z12) - 
   (s13*s23*z3)/(2*s234*s34^2*z12) - (s23^2*z3)/(4*s234*s34^2*z12) + 
   (2*s24*z3)/(s34^2*z12) + (s13*s24*z3)/(s12*s34^2*z12) + 
   (3*s12*s24*z3)/(4*s134*s34^2*z12) + (5*s13*s24*z3)/(4*s134*s34^2*z12) + 
   (3*s13^2*s24*z3)/(4*s12*s134*s34^2*z12) + (2*s14*s24*z3)/(s12*s34^2*z12) + 
   (5*s14*s24*z3)/(4*s134*s34^2*z12) + (s13*s14*s24*z3)/
    (s12*s134*s34^2*z12) + (s14^2*s24*z3)/(4*s12*s134*s34^2*z12) + 
   (s23*s24*z3)/(s12*s34^2*z12) + (5*s23*s24*z3)/(4*s134*s34^2*z12) + 
   (3*s13*s23*s24*z3)/(2*s12*s134*s34^2*z12) + 
   (s14*s23*s24*z3)/(s12*s134*s34^2*z12) + (3*s23^2*s24*z3)/
    (4*s12*s134*s34^2*z12) - (s12*s24*z3)/(4*s234*s34^2*z12) - 
   (5*s13*s24*z3)/(4*s234*s34^2*z12) - (3*s13^2*s24*z3)/
    (4*s12*s234*s34^2*z12) - (s14*s24*z3)/(4*s234*s34^2*z12) - 
   (s13*s14*s24*z3)/(s12*s234*s34^2*z12) - 
   (s14^2*s24*z3)/(4*s12*s234*s34^2*z12) - 
   (5*s23*s24*z3)/(4*s234*s34^2*z12) - (3*s13*s23*s24*z3)/
    (2*s12*s234*s34^2*z12) - (s14*s23*s24*z3)/(s12*s234*s34^2*z12) - 
   (3*s23^2*s24*z3)/(4*s12*s234*s34^2*z12) + (s24^2*z3)/(s12*s34^2*z12) + 
   (s24^2*z3)/(s134*s34^2*z12) + (s13*s24^2*z3)/(s12*s134*s34^2*z12) + 
   (s14*s24^2*z3)/(2*s12*s134*s34^2*z12) + 
   (s23*s24^2*z3)/(s12*s134*s34^2*z12) - (s24^2*z3)/(2*s234*s34^2*z12) - 
   (s13*s24^2*z3)/(s12*s234*s34^2*z12) - (s14*s24^2*z3)/
    (2*s12*s234*s34^2*z12) - (s23*s24^2*z3)/(s12*s234*s34^2*z12) + 
   (s24^3*z3)/(4*s12*s134*s34^2*z12) - (s24^3*z3)/(4*s12*s234*s34^2*z12) + 
   (2*z3)/(s34*z12) + (s12*z3)/(s123*s34*z12) + (s12*z3)/(s124*s34*z12) + 
   (s13*z3)/(s12*s34*z12) + (2*s13*z3)/(s123*s34*z12) + 
   (s13*z3)/(s124*s34*z12) + (s13^2*z3)/(s12*s123*s34*z12) - 
   (s13*z3)/(4*s134*s34*z12) + (2*s14*z3)/(s12*s34*z12) + 
   (2*s14*z3)/(s123*s34*z12) + (s14*z3)/(s124*s34*z12) + 
   (2*s13*s14*z3)/(s12*s123*s34*z12) + (s14*z3)/(4*s134*s34*z12) + 
   (s14^2*z3)/(s12*s123*s34*z12) + (s23*z3)/(s12*s34*z12) + 
   (2*s23*z3)/(s123*s34*z12) + (s23*z3)/(s124*s34*z12) + 
   (2*s13*s23*z3)/(s12*s123*s34*z12) - (s23*z3)/(4*s134*s34*z12) + 
   (2*s14*s23*z3)/(s12*s123*s34*z12) + (s23^2*z3)/(s12*s123*s34*z12) + 
   (s12*z3)/(2*s234*s34*z12) + (s13*z3)/(4*s234*s34*z12) + 
   (3*s14*z3)/(4*s234*s34*z12) + (s23*z3)/(4*s234*s34*z12) + 
   (2*s24*z3)/(s12*s34*z12) + (2*s24*z3)/(s123*s34*z12) + 
   (s24*z3)/(s124*s34*z12) + (2*s13*s24*z3)/(s12*s123*s34*z12) + 
   (3*s24*z3)/(4*s134*s34*z12) + (s12*s24*z3)/(s123*s134*s34*z12) - 
   (s12*s24*z3)/(2*s124*s134*s34*z12) + (3*s13*s24*z3)/(4*s12*s134*s34*z12) + 
   (2*s13*s24*z3)/(s123*s134*s34*z12) - (s13*s24*z3)/(2*s124*s134*s34*z12) + 
   (s13^2*s24*z3)/(s12*s123*s134*s34*z12) + 
   (2*s14*s24*z3)/(s12*s123*s34*z12) + (s14*s24*z3)/(4*s12*s134*s34*z12) + 
   (s14*s24*z3)/(s123*s134*s34*z12) - (s14*s24*z3)/(s124*s134*s34*z12) + 
   (s13*s14*s24*z3)/(s12*s123*s134*s34*z12) - 
   (s13*s14*s24*z3)/(2*s12*s124*s134*s34*z12) - 
   (s14^2*s24*z3)/(2*s12*s124*s134*s34*z12) + 
   (2*s23*s24*z3)/(s12*s123*s34*z12) + (3*s23*s24*z3)/(4*s12*s134*s34*z12) + 
   (2*s23*s24*z3)/(s123*s134*s34*z12) - (s23*s24*z3)/(2*s124*s134*s34*z12) + 
   (2*s13*s23*s24*z3)/(s12*s123*s134*s34*z12) + 
   (s14*s23*s24*z3)/(s12*s123*s134*s34*z12) - 
   (s14*s23*s24*z3)/(2*s12*s124*s134*s34*z12) + 
   (s23^2*s24*z3)/(s12*s123*s134*s34*z12) + (s24*z3)/(4*s234*s34*z12) + 
   (s12*s24*z3)/(2*s123*s234*s34*z12) - (s12*s24*z3)/(s124*s234*s34*z12) - 
   (3*s13*s24*z3)/(4*s12*s234*s34*z12) + (s13*s24*z3)/(s123*s234*s34*z12) - 
   (s13*s24*z3)/(s124*s234*s34*z12) + (s13^2*s24*z3)/
    (2*s12*s123*s234*s34*z12) - (s14*s24*z3)/(4*s12*s234*s34*z12) + 
   (s14*s24*z3)/(2*s123*s234*s34*z12) - (2*s14*s24*z3)/(s124*s234*s34*z12) + 
   (s13*s14*s24*z3)/(2*s12*s123*s234*s34*z12) - 
   (s13*s14*s24*z3)/(s12*s124*s234*s34*z12) - 
   (s14^2*s24*z3)/(s12*s124*s234*s34*z12) - 
   (3*s23*s24*z3)/(4*s12*s234*s34*z12) + (s23*s24*z3)/(s123*s234*s34*z12) - 
   (s23*s24*z3)/(s124*s234*s34*z12) + (s13*s23*s24*z3)/
    (s12*s123*s234*s34*z12) + (s14*s23*s24*z3)/(2*s12*s123*s234*s34*z12) - 
   (s14*s23*s24*z3)/(s12*s124*s234*s34*z12) + 
   (s23^2*s24*z3)/(2*s12*s123*s234*s34*z12) + (s24^2*z3)/(s12*s123*s34*z12) + 
   (s24^2*z3)/(4*s12*s134*s34*z12) + (s24^2*z3)/(s123*s134*s34*z12) - 
   (s24^2*z3)/(s124*s134*s34*z12) + (s13*s24^2*z3)/(s12*s123*s134*s34*z12) - 
   (s13*s24^2*z3)/(2*s12*s124*s134*s34*z12) - 
   (s14*s24^2*z3)/(s12*s124*s134*s34*z12) + 
   (s23*s24^2*z3)/(s12*s123*s134*s34*z12) - 
   (s23*s24^2*z3)/(2*s12*s124*s134*s34*z12) - 
   (s24^2*z3)/(4*s12*s234*s34*z12) + (s24^2*z3)/(2*s123*s234*s34*z12) - 
   (2*s24^2*z3)/(s124*s234*s34*z12) + (s13*s24^2*z3)/
    (2*s12*s123*s234*s34*z12) - (s13*s24^2*z3)/(s12*s124*s234*s34*z12) - 
   (2*s14*s24^2*z3)/(s12*s124*s234*s34*z12) + 
   (s23*s24^2*z3)/(2*s12*s123*s234*s34*z12) - 
   (s23*s24^2*z3)/(s12*s124*s234*s34*z12) - 
   (s24^3*z3)/(2*s12*s124*s134*s34*z12) - 
   (s24^3*z3)/(s12*s124*s234*s34*z12) + (s34*z3)/(2*s12*s123*z12) + 
   (s34*z3)/(s123*s124*z12) + (s14*s34*z3)/(s12*s123*s124*z12) + 
   (s24*s34*z3)/(s12*s123*s124*z12) + z1/(s12*z34) + z1/(2*s123*z34) + 
   (s13*z1)/(2*s12*s123*z34) + z1/(2*s134*z34) + (s14*z1)/(2*s12*s123*z34) - 
   (s23*z1)/(s12^2*z34) + (s23*z1)/(s12*s123*z34) - 
   (s23*z1)/(2*s12*s124*z34) + (3*s13*s23*z1)/(4*s12^2*s123*z34) - 
   (3*s13*s23*z1)/(4*s12^2*s124*z34) - (s23*z1)/(2*s12*s134*z34) + 
   (s23*z1)/(s123*s134*z34) + (s23*z1)/(2*s124*s134*z34) + 
   (2*s13*s23*z1)/(s12*s123*s134*z34) + (s13*s23*z1)/(s12*s124*s134*z34) + 
   (3*s14*s23*z1)/(4*s12^2*s123*z34) - (3*s14*s23*z1)/(4*s12^2*s124*z34) + 
   (2*s14*s23*z1)/(s12*s123*s134*z34) + (s14*s23*z1)/(s12*s124*s134*z34) + 
   (5*s23^2*z1)/(4*s12^2*s123*z34) - (5*s23^2*z1)/(4*s12^2*s124*z34) + 
   (s23^2*z1)/(s12*s123*s134*z34) + (s23^2*z1)/(2*s12*s124*s134*z34) - 
   (s23*z1)/(2*s12*s234*z34) - (s23*z1)/(2*s123*s234*z34) - 
   (s23*z1)/(s124*s234*z34) - (s13*s23*z1)/(2*s12*s123*s234*z34) - 
   (s13*s23*z1)/(s12*s124*s234*z34) - (s14*s23*z1)/(2*s12*s123*s234*z34) - 
   (s14*s23*z1)/(s12*s124*s234*z34) - (s23^2*z1)/(s12*s123*s234*z34) - 
   (2*s23^2*z1)/(s12*s124*s234*z34) - (s24*z1)/(s12^2*z34) + 
   (s24*z1)/(2*s12*s123*z34) - (s24*z1)/(2*s12*s134*z34) + 
   (5*s23*s24*z1)/(4*s12^2*s123*z34) - (5*s23*s24*z1)/(4*s12^2*s124*z34) + 
   (s23*s24*z1)/(s12*s123*s134*z34) + (s23*s24*z1)/(2*s12*s124*s134*z34) - 
   (s24*z1)/(2*s12*s234*z34) - (s23*s24*z1)/(s12*s123*s234*z34) - 
   (2*s23*s24*z1)/(s12*s124*s234*z34) + z1/(s34*z34) + 
   (s13*z1)/(s12*s34*z34) + (s12*z1)/(2*s134*s34*z34) + 
   (s13*z1)/(2*s134*s34*z34) + (s14*z1)/(s12*s34*z34) + 
   (s14*z1)/(2*s134*s34*z34) - (s13*s23*z1)/(s12^2*s34*z34) + 
   (s13*s23*z1)/(4*s12*s123*s34*z34) - (s13*s23*z1)/(4*s12*s124*s34*z34) + 
   (s13^2*s23*z1)/(4*s12^2*s123*s34*z34) - 
   (s13^2*s23*z1)/(4*s12^2*s124*s34*z34) - 
   (s13*s23*z1)/(2*s12*s134*s34*z34) + (s13*s23*z1)/(s123*s134*s34*z34) + 
   (s13*s23*z1)/(2*s124*s134*s34*z34) + (s13^2*s23*z1)/
    (s12*s123*s134*s34*z34) + (s13^2*s23*z1)/(2*s12*s124*s134*s34*z34) - 
   (s14*s23*z1)/(s12^2*s34*z34) + (s14*s23*z1)/(4*s12*s123*s34*z34) - 
   (s14*s23*z1)/(4*s12*s124*s34*z34) + (s13*s14*s23*z1)/
    (2*s12^2*s123*s34*z34) - (s13*s14*s23*z1)/(2*s12^2*s124*s34*z34) - 
   (s14*s23*z1)/(2*s12*s134*s34*z34) + (s14*s23*z1)/(s123*s134*s34*z34) + 
   (s14*s23*z1)/(2*s124*s134*s34*z34) + (2*s13*s14*s23*z1)/
    (s12*s123*s134*s34*z34) + (s13*s14*s23*z1)/(s12*s124*s134*s34*z34) + 
   (s14^2*s23*z1)/(4*s12^2*s123*s34*z34) - 
   (s14^2*s23*z1)/(4*s12^2*s124*s34*z34) + 
   (s14^2*s23*z1)/(s12*s123*s134*s34*z34) + 
   (s14^2*s23*z1)/(2*s12*s124*s134*s34*z34) - (s23^2*z1)/(s12^2*s34*z34) + 
   (3*s23^2*z1)/(4*s12*s123*s34*z34) - (3*s23^2*z1)/(4*s12*s124*s34*z34) + 
   (s13*s23^2*z1)/(s12^2*s123*s34*z34) - (s13*s23^2*z1)/
    (s12^2*s124*s34*z34) - (s23^2*z1)/(2*s12*s134*s34*z34) + 
   (s13*s23^2*z1)/(s12*s123*s134*s34*z34) + 
   (s13*s23^2*z1)/(2*s12*s124*s134*s34*z34) + 
   (s14*s23^2*z1)/(s12^2*s123*s34*z34) - (s14*s23^2*z1)/
    (s12^2*s124*s34*z34) + (s14*s23^2*z1)/(s12*s123*s134*s34*z34) + 
   (s14*s23^2*z1)/(2*s12*s124*s134*s34*z34) + 
   (3*s23^3*z1)/(4*s12^2*s123*s34*z34) - 
   (3*s23^3*z1)/(4*s12^2*s124*s34*z34) - (s23*z1)/(2*s234*s34*z34) - 
   (s13*s23*z1)/(2*s12*s234*s34*z34) - (s14*s23*z1)/(2*s12*s234*s34*z34) - 
   (s23^2*z1)/(2*s12*s234*s34*z34) - (s23^2*z1)/(2*s123*s234*s34*z34) - 
   (s23^2*z1)/(s124*s234*s34*z34) - (s13*s23^2*z1)/
    (2*s12*s123*s234*s34*z34) - (s13*s23^2*z1)/(s12*s124*s234*s34*z34) - 
   (s14*s23^2*z1)/(2*s12*s123*s234*s34*z34) - 
   (s14*s23^2*z1)/(s12*s124*s234*s34*z34) - 
   (s23^3*z1)/(2*s12*s123*s234*s34*z34) - 
   (s23^3*z1)/(s12*s124*s234*s34*z34) - (s13*s24*z1)/(s12^2*s34*z34) - 
   (s13*s24*z1)/(2*s12*s134*s34*z34) - (s14*s24*z1)/(s12^2*s34*z34) - 
   (s14*s24*z1)/(2*s12*s134*s34*z34) - (2*s23*s24*z1)/(s12^2*s34*z34) + 
   (3*s23*s24*z1)/(4*s12*s123*s34*z34) - (3*s23*s24*z1)/
    (4*s12*s124*s34*z34) + (s13*s23*s24*z1)/(s12^2*s123*s34*z34) - 
   (s13*s23*s24*z1)/(s12^2*s124*s34*z34) - (s23*s24*z1)/(s12*s134*s34*z34) + 
   (s13*s23*s24*z1)/(s12*s123*s134*s34*z34) + 
   (s13*s23*s24*z1)/(2*s12*s124*s134*s34*z34) + 
   (s14*s23*s24*z1)/(s12^2*s123*s34*z34) - (s14*s23*s24*z1)/
    (s12^2*s124*s34*z34) + (s14*s23*s24*z1)/(s12*s123*s134*s34*z34) + 
   (s14*s23*s24*z1)/(2*s12*s124*s134*s34*z34) + 
   (3*s23^2*s24*z1)/(2*s12^2*s123*s34*z34) - (3*s23^2*s24*z1)/
    (2*s12^2*s124*s34*z34) - (s24*z1)/(2*s234*s34*z34) - 
   (s13*s24*z1)/(2*s12*s234*s34*z34) - (s14*s24*z1)/(2*s12*s234*s34*z34) - 
   (s23*s24*z1)/(s12*s234*s34*z34) - (s23*s24*z1)/(2*s123*s234*s34*z34) - 
   (s23*s24*z1)/(s124*s234*s34*z34) - (s13*s23*s24*z1)/
    (2*s12*s123*s234*s34*z34) - (s13*s23*s24*z1)/(s12*s124*s234*s34*z34) - 
   (s14*s23*s24*z1)/(2*s12*s123*s234*s34*z34) - 
   (s14*s23*s24*z1)/(s12*s124*s234*s34*z34) - 
   (s23^2*s24*z1)/(s12*s123*s234*s34*z34) - (2*s23^2*s24*z1)/
    (s12*s124*s234*s34*z34) - (s24^2*z1)/(s12^2*s34*z34) - 
   (s24^2*z1)/(2*s12*s134*s34*z34) + (3*s23*s24^2*z1)/
    (4*s12^2*s123*s34*z34) - (3*s23*s24^2*z1)/(4*s12^2*s124*s34*z34) - 
   (s24^2*z1)/(2*s12*s234*s34*z34) - (s23*s24^2*z1)/
    (2*s12*s123*s234*s34*z34) - (s23*s24^2*z1)/(s12*s124*s234*s34*z34) + 
   (s34*z1)/(2*s12*s123*z34) + (s23*s34*z1)/(2*s12^2*s123*z34) - 
   (s23*s34*z1)/(2*s12^2*s124*z34) + (s23*s34*z1)/(s12*s123*s134*z34) + 
   (s23*s34*z1)/(2*s12*s124*s134*z34) - (s23*s34*z1)/(2*s12*s123*s234*z34) - 
   (s23*s34*z1)/(s12*s124*s234*z34) + (s23*z1^2)/(s12^2*z12*z34) - 
   (s23*z1^2)/(2*s12*s123*z12*z34) + (s23*z1^2)/(2*s12*s124*z12*z34) - 
   (3*s13*s23*z1^2)/(4*s12^2*s123*z12*z34) + (3*s13*s23*z1^2)/
    (4*s12^2*s124*z12*z34) - (3*s14*s23*z1^2)/(4*s12^2*s123*z12*z34) + 
   (3*s14*s23*z1^2)/(4*s12^2*s124*z12*z34) - 
   (3*s23^2*z1^2)/(4*s12^2*s123*z12*z34) + 
   (3*s23^2*z1^2)/(4*s12^2*s124*z12*z34) + (s24*z1^2)/(s12^2*z12*z34) - 
   (3*s23*s24*z1^2)/(4*s12^2*s123*z12*z34) + (3*s23*s24*z1^2)/
    (4*s12^2*s124*z12*z34) + (s23*z1^2)/(s12*s34*z12*z34) + 
   (s13*s23*z1^2)/(s12^2*s34*z12*z34) - (s13*s23*z1^2)/
    (4*s12*s123*s34*z12*z34) + (s13*s23*z1^2)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s23*z1^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s23*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s14*s23*z1^2)/(s12^2*s34*z12*z34) - (s14*s23*z1^2)/
    (4*s12*s123*s34*z12*z34) + (s14*s23*z1^2)/(4*s12*s124*s34*z12*z34) - 
   (s13*s14*s23*z1^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14*s23*z1^2)/(2*s12^2*s124*s34*z12*z34) - 
   (s14^2*s23*z1^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s23^2*z1^2)/(s12^2*s34*z12*z34) - (s23^2*z1^2)/(4*s12*s123*s34*z12*z34) + 
   (s23^2*z1^2)/(4*s12*s124*s34*z12*z34) - (s13*s23^2*z1^2)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s23^2*z1^2)/
    (2*s12^2*s124*s34*z12*z34) - (s14*s23^2*z1^2)/
    (2*s12^2*s123*s34*z12*z34) + (s14*s23^2*z1^2)/
    (2*s12^2*s124*s34*z12*z34) - (s23^3*z1^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s23^3*z1^2)/(4*s12^2*s124*s34*z12*z34) + (s24*z1^2)/(s12*s34*z12*z34) + 
   (s13*s24*z1^2)/(s12^2*s34*z12*z34) + (s14*s24*z1^2)/(s12^2*s34*z12*z34) + 
   (2*s23*s24*z1^2)/(s12^2*s34*z12*z34) - (s23*s24*z1^2)/
    (4*s12*s123*s34*z12*z34) + (s23*s24*z1^2)/(4*s12*s124*s34*z12*z34) - 
   (s13*s23*s24*z1^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s23*s24*z1^2)/(2*s12^2*s124*s34*z12*z34) - 
   (s14*s23*s24*z1^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23*s24*z1^2)/(2*s12^2*s124*s34*z12*z34) - 
   (s23^2*s24*z1^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s23^2*s24*z1^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s24^2*z1^2)/(s12^2*s34*z12*z34) - (s23*s24^2*z1^2)/
    (4*s12^2*s123*s34*z12*z34) + (s23*s24^2*z1^2)/
    (4*s12^2*s124*s34*z12*z34) - (s23*s34*z1^2)/(2*s12^2*s123*z12*z34) + 
   (s23*s34*z1^2)/(2*s12^2*s124*z12*z34) + (2*z2)/(s12*z34) + 
   z2/(2*s123*z34) + (2*s13*z2)/(s12^2*z34) + (s13*z2)/(4*s12*s123*z34) + 
   (3*s13*z2)/(4*s12*s124*z34) - (s13^2*z2)/(2*s12^2*s123*z34) + 
   (s13^2*z2)/(s12^2*s124*z34) + z2/(s134*z34) + (s13*z2)/(s12*s134*z34) - 
   (s13*z2)/(s123*s134*z34) - (s13*z2)/(2*s124*s134*z34) - 
   (2*s13^2*z2)/(s12*s123*s134*z34) - (s13^2*z2)/(s12*s124*s134*z34) + 
   (2*s14*z2)/(s12^2*z34) + (3*s14*z2)/(4*s12*s123*z34) + 
   (s14*z2)/(4*s12*s124*z34) - (s13*s14*z2)/(4*s12^2*s123*z34) + 
   (5*s13*s14*z2)/(4*s12^2*s124*z34) + (s14*z2)/(s12*s134*z34) - 
   (2*s13*s14*z2)/(s12*s123*s134*z34) - (s13*s14*z2)/(s12*s124*s134*z34) + 
   (s14^2*z2)/(4*s12^2*s123*z34) + (s14^2*z2)/(4*s12^2*s124*z34) + 
   (s23*z2)/(s12^2*z34) + (s23*z2)/(4*s12*s123*z34) - 
   (s23*z2)/(4*s12*s124*z34) - (5*s13*s23*z2)/(4*s12^2*s123*z34) + 
   (5*s13*s23*z2)/(4*s12^2*s124*z34) + (s23*z2)/(s12*s134*z34) - 
   (s13*s23*z2)/(s12*s123*s134*z34) - (s13*s23*z2)/(2*s12*s124*s134*z34) - 
   (s23^2*z2)/(4*s12^2*s123*z34) - (s23^2*z2)/(4*s12^2*s124*z34) + 
   (3*z2)/(2*s234*z34) + (2*s13*z2)/(s12*s234*z34) + 
   (s13*z2)/(2*s123*s234*z34) + (s13*z2)/(s124*s234*z34) + 
   (s13^2*z2)/(2*s12*s123*s234*z34) + (s13^2*z2)/(s12*s124*s234*z34) + 
   (s12*z2)/(s134*s234*z34) + (2*s13*z2)/(s134*s234*z34) + 
   (2*s14*z2)/(s12*s234*z34) + (s13*s14*z2)/(2*s12*s123*s234*z34) + 
   (s13*s14*z2)/(s12*s124*s234*z34) + (2*s14*z2)/(s134*s234*z34) + 
   (2*s23*z2)/(s12*s234*z34) + (s13*s23*z2)/(s12*s123*s234*z34) + 
   (2*s13*s23*z2)/(s12*s124*s234*z34) + (s23*z2)/(s134*s234*z34) + 
   (s24*z2)/(s12^2*z34) + (s24*z2)/(4*s12*s123*z34) - 
   (s24*z2)/(4*s12*s124*z34) - (5*s13*s24*z2)/(4*s12^2*s123*z34) + 
   (5*s13*s24*z2)/(4*s12^2*s124*z34) + (s24*z2)/(s12*s134*z34) - 
   (s13*s24*z2)/(s12*s123*s134*z34) - (s13*s24*z2)/(2*s12*s124*s134*z34) - 
   (s23*s24*z2)/(2*s12^2*s123*z34) - (s23*s24*z2)/(2*s12^2*s124*z34) + 
   (2*s24*z2)/(s12*s234*z34) + (s13*s24*z2)/(s12*s123*s234*z34) + 
   (2*s13*s24*z2)/(s12*s124*s234*z34) + (s24*z2)/(s134*s234*z34) - 
   (s24^2*z2)/(4*s12^2*s123*z34) - (s24^2*z2)/(4*s12^2*s124*z34) + 
   z2/(s34*z34) + (2*s13*z2)/(s12*s34*z34) + (s13^2*z2)/(s12^2*s34*z34) - 
   (s13^2*z2)/(4*s12*s123*s34*z34) + (s13^2*z2)/(4*s12*s124*s34*z34) - 
   (s13^3*z2)/(4*s12^2*s123*s34*z34) + (s13^3*z2)/(4*s12^2*s124*s34*z34) - 
   (s13^2*z2)/(s123*s134*s34*z34) - (s13^2*z2)/(2*s124*s134*s34*z34) - 
   (s13^3*z2)/(s12*s123*s134*s34*z34) - 
   (s13^3*z2)/(2*s12*s124*s134*s34*z34) + (2*s14*z2)/(s12*s34*z34) + 
   (2*s13*s14*z2)/(s12^2*s34*z34) - (s13*s14*z2)/(4*s12*s123*s34*z34) + 
   (s13*s14*z2)/(4*s12*s124*s34*z34) - (s13^2*s14*z2)/
    (2*s12^2*s123*s34*z34) + (s13^2*s14*z2)/(2*s12^2*s124*s34*z34) - 
   (s13*s14*z2)/(s123*s134*s34*z34) - (s13*s14*z2)/(2*s124*s134*s34*z34) - 
   (2*s13^2*s14*z2)/(s12*s123*s134*s34*z34) - 
   (s13^2*s14*z2)/(s12*s124*s134*s34*z34) + (s14^2*z2)/(s12^2*s34*z34) - 
   (s13*s14^2*z2)/(4*s12^2*s123*s34*z34) + 
   (s13*s14^2*z2)/(4*s12^2*s124*s34*z34) - 
   (s13*s14^2*z2)/(s12*s123*s134*s34*z34) - 
   (s13*s14^2*z2)/(2*s12*s124*s134*s34*z34) + (s23*z2)/(s12*s34*z34) + 
   (s13*s23*z2)/(s12^2*s34*z34) - (3*s13*s23*z2)/(4*s12*s123*s34*z34) + 
   (3*s13*s23*z2)/(4*s12*s124*s34*z34) - (s13^2*s23*z2)/
    (s12^2*s123*s34*z34) + (s13^2*s23*z2)/(s12^2*s124*s34*z34) - 
   (s13^2*s23*z2)/(s12*s123*s134*s34*z34) - 
   (s13^2*s23*z2)/(2*s12*s124*s134*s34*z34) + (s14*s23*z2)/(s12^2*s34*z34) - 
   (s13*s14*s23*z2)/(s12^2*s123*s34*z34) + (s13*s14*s23*z2)/
    (s12^2*s124*s34*z34) - (s13*s14*s23*z2)/(s12*s123*s134*s34*z34) - 
   (s13*s14*s23*z2)/(2*s12*s124*s134*s34*z34) - 
   (3*s13*s23^2*z2)/(4*s12^2*s123*s34*z34) + (3*s13*s23^2*z2)/
    (4*s12^2*s124*s34*z34) + (s12*z2)/(2*s234*s34*z34) + 
   (3*s13*z2)/(2*s234*s34*z34) + (s13^2*z2)/(s12*s234*s34*z34) + 
   (s12*s13*z2)/(s134*s234*s34*z34) + (s13^2*z2)/(s134*s234*s34*z34) + 
   (3*s14*z2)/(2*s234*s34*z34) + (2*s13*s14*z2)/(s12*s234*s34*z34) + 
   (s12*s14*z2)/(s134*s234*s34*z34) + (2*s13*s14*z2)/(s134*s234*s34*z34) + 
   (s14^2*z2)/(s12*s234*s34*z34) + (s14^2*z2)/(s134*s234*s34*z34) + 
   (3*s23*z2)/(2*s234*s34*z34) + (2*s13*s23*z2)/(s12*s234*s34*z34) + 
   (s13*s23*z2)/(2*s123*s234*s34*z34) + (s13*s23*z2)/(s124*s234*s34*z34) + 
   (s13^2*s23*z2)/(2*s12*s123*s234*s34*z34) + 
   (s13^2*s23*z2)/(s12*s124*s234*s34*z34) + 
   (s13*s23*z2)/(s134*s234*s34*z34) + (2*s14*s23*z2)/(s12*s234*s34*z34) + 
   (s13*s14*s23*z2)/(2*s12*s123*s234*s34*z34) + 
   (s13*s14*s23*z2)/(s12*s124*s234*s34*z34) + 
   (s14*s23*z2)/(s134*s234*s34*z34) + (s23^2*z2)/(s12*s234*s34*z34) + 
   (s13*s23^2*z2)/(2*s12*s123*s234*s34*z34) + 
   (s13*s23^2*z2)/(s12*s124*s234*s34*z34) + (s24*z2)/(s12*s34*z34) + 
   (s13*s24*z2)/(s12^2*s34*z34) - (3*s13*s24*z2)/(4*s12*s123*s34*z34) + 
   (3*s13*s24*z2)/(4*s12*s124*s34*z34) - (s13^2*s24*z2)/
    (s12^2*s123*s34*z34) + (s13^2*s24*z2)/(s12^2*s124*s34*z34) - 
   (s13^2*s24*z2)/(s12*s123*s134*s34*z34) - 
   (s13^2*s24*z2)/(2*s12*s124*s134*s34*z34) + (s14*s24*z2)/(s12^2*s34*z34) - 
   (s13*s14*s24*z2)/(s12^2*s123*s34*z34) + (s13*s14*s24*z2)/
    (s12^2*s124*s34*z34) - (s13*s14*s24*z2)/(s12*s123*s134*s34*z34) - 
   (s13*s14*s24*z2)/(2*s12*s124*s134*s34*z34) - 
   (3*s13*s23*s24*z2)/(2*s12^2*s123*s34*z34) + 
   (3*s13*s23*s24*z2)/(2*s12^2*s124*s34*z34) + (3*s24*z2)/(2*s234*s34*z34) + 
   (2*s13*s24*z2)/(s12*s234*s34*z34) + (s13*s24*z2)/(2*s123*s234*s34*z34) + 
   (s13*s24*z2)/(s124*s234*s34*z34) + (s13^2*s24*z2)/
    (2*s12*s123*s234*s34*z34) + (s13^2*s24*z2)/(s12*s124*s234*s34*z34) + 
   (s13*s24*z2)/(s134*s234*s34*z34) + (2*s14*s24*z2)/(s12*s234*s34*z34) + 
   (s13*s14*s24*z2)/(2*s12*s123*s234*s34*z34) + 
   (s13*s14*s24*z2)/(s12*s124*s234*s34*z34) + 
   (s14*s24*z2)/(s134*s234*s34*z34) + (2*s23*s24*z2)/(s12*s234*s34*z34) + 
   (s13*s23*s24*z2)/(s12*s123*s234*s34*z34) + (2*s13*s23*s24*z2)/
    (s12*s124*s234*s34*z34) - (3*s13*s24^2*z2)/(4*s12^2*s123*s34*z34) + 
   (3*s13*s24^2*z2)/(4*s12^2*s124*s34*z34) + (s24^2*z2)/(s12*s234*s34*z34) + 
   (s13*s24^2*z2)/(2*s12*s123*s234*s34*z34) + 
   (s13*s24^2*z2)/(s12*s124*s234*s34*z34) + (s34*z2)/(s12^2*z34) + 
   (s34*z2)/(2*s12*s123*z34) - (s13*s34*z2)/(4*s12^2*s123*z34) + 
   (3*s13*s34*z2)/(4*s12^2*s124*z34) + (s34*z2)/(s12*s134*z34) - 
   (s13*s34*z2)/(s12*s123*s134*z34) - (s13*s34*z2)/(2*s12*s124*s134*z34) + 
   (s14*s34*z2)/(4*s12^2*s123*z34) + (s14*s34*z2)/(4*s12^2*s124*z34) - 
   (s23*s34*z2)/(4*s12^2*s123*z34) - (s23*s34*z2)/(4*s12^2*s124*z34) + 
   (s34*z2)/(s12*s234*z34) + (s13*s34*z2)/(2*s12*s123*s234*z34) + 
   (s13*s34*z2)/(s12*s124*s234*z34) + (s34*z2)/(s134*s234*z34) - 
   (s24*s34*z2)/(4*s12^2*s123*z34) - (s24*s34*z2)/(4*s12^2*s124*z34) + 
   (2*s13*z1^2*z2)/(s12^2*z12^2*z34) + (2*s14*z1^2*z2)/(s12^2*z12^2*z34) + 
   (2*s23*z1^2*z2)/(s12^2*z12^2*z34) + (2*s24*z1^2*z2)/(s12^2*z12^2*z34) - 
   (2*z1^2*z2)/(s34*z12^2*z34) - (2*s13*z1^2*z2)/(s12*s34*z12^2*z34) - 
   (2*s14*z1^2*z2)/(s12*s34*z12^2*z34) - (2*s23*z1^2*z2)/
    (s12*s34*z12^2*z34) - (2*s24*z1^2*z2)/(s12*s34*z12^2*z34) + 
   (2*s34*z1^2*z2)/(s12^2*z12^2*z34) - (3*z1*z2)/(s12*z12*z34) - 
   (z1*z2)/(2*s123*z12*z34) - (z1*z2)/(2*s124*z12*z34) - 
   (4*s13*z1*z2)/(s12^2*z12*z34) - (s13*z1*z2)/(4*s12*s123*z12*z34) - 
   (5*s13*z1*z2)/(4*s12*s124*z12*z34) + (s13^2*z1*z2)/
    (2*s12^2*s123*z12*z34) - (s13^2*z1*z2)/(s12^2*s124*z12*z34) - 
   (z1*z2)/(2*s134*z12*z34) - (2*s13*z1*z2)/(s12*s134*z12*z34) - 
   (4*s14*z1*z2)/(s12^2*z12*z34) - (3*s14*z1*z2)/(4*s12*s123*z12*z34) - 
   (3*s14*z1*z2)/(4*s12*s124*z12*z34) + (s13*s14*z1*z2)/
    (4*s12^2*s123*z12*z34) - (5*s13*s14*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (2*s14*z1*z2)/(s12*s134*z12*z34) - (s14^2*z1*z2)/(4*s12^2*s123*z12*z34) - 
   (s14^2*z1*z2)/(4*s12^2*s124*z12*z34) - (4*s23*z1*z2)/(s12^2*z12*z34) - 
   (s23*z1*z2)/(4*s12*s123*z12*z34) - (5*s23*z1*z2)/(4*s12*s124*z12*z34) + 
   (s13*s23*z1*z2)/(s12^2*s123*z12*z34) - (2*s13*s23*z1*z2)/
    (s12^2*s124*z12*z34) - (3*s23*z1*z2)/(2*s12*s134*z12*z34) + 
   (s14*s23*z1*z2)/(4*s12^2*s123*z12*z34) - (5*s14*s23*z1*z2)/
    (4*s12^2*s124*z12*z34) + (s23^2*z1*z2)/(2*s12^2*s123*z12*z34) - 
   (s23^2*z1*z2)/(s12^2*s124*z12*z34) - (3*z1*z2)/(2*s234*z12*z34) - 
   (2*s13*z1*z2)/(s12*s234*z12*z34) - (2*s14*z1*z2)/(s12*s234*z12*z34) - 
   (5*s23*z1*z2)/(2*s12*s234*z12*z34) - (4*s24*z1*z2)/(s12^2*z12*z34) - 
   (3*s24*z1*z2)/(4*s12*s123*z12*z34) - (3*s24*z1*z2)/(4*s12*s124*z12*z34) + 
   (s13*s24*z1*z2)/(4*s12^2*s123*z12*z34) - (5*s13*s24*z1*z2)/
    (4*s12^2*s124*z12*z34) - (3*s24*z1*z2)/(2*s12*s134*z12*z34) - 
   (s14*s24*z1*z2)/(2*s12^2*s123*z12*z34) - (s14*s24*z1*z2)/
    (2*s12^2*s124*z12*z34) + (s23*s24*z1*z2)/(4*s12^2*s123*z12*z34) - 
   (5*s23*s24*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (5*s24*z1*z2)/(2*s12*s234*z12*z34) - (s24^2*z1*z2)/
    (4*s12^2*s123*z12*z34) - (s24^2*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (s13*z1*z2)/(s12*s34*z12*z34) - (s13^2*z1*z2)/(s12^2*s34*z12*z34) + 
   (s13^2*z1*z2)/(4*s12*s123*s34*z12*z34) - 
   (s13^2*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (s13^3*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^3*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (s12*z1*z2)/(s134*s34*z12*z34) + (s13*z1*z2)/(2*s134*s34*z12*z34) - 
   (s13^2*z1*z2)/(2*s12*s134*s34*z12*z34) - (s14*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s14*z1*z2)/(s12^2*s34*z12*z34) + (s13*s14*z1*z2)/
    (4*s12*s123*s34*z12*z34) - (s13*s14*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s14*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s14*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*z1*z2)/(2*s134*s34*z12*z34) - (s13*s14*z1*z2)/
    (s12*s134*s34*z12*z34) - (s14^2*z1*z2)/(s12^2*s34*z12*z34) + 
   (s13*s14^2*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13*s14^2*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s14^2*z1*z2)/(2*s12*s134*s34*z12*z34) - (s23*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s23*z1*z2)/(s12^2*s34*z12*z34) + (s13*s23*z1*z2)/
    (2*s12*s123*s34*z12*z34) - (s13*s23*z1*z2)/(2*s12*s124*s34*z12*z34) + 
   (3*s13^2*s23*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (3*s13^2*s23*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (s23*z1*z2)/(s134*s34*z12*z34) - (s13*s23*z1*z2)/
    (2*s12*s134*s34*z12*z34) - (2*s14*s23*z1*z2)/(s12^2*s34*z12*z34) + 
   (s14*s23*z1*z2)/(4*s12*s123*s34*z12*z34) - 
   (s14*s23*z1*z2)/(4*s12*s124*s34*z12*z34) + (s13*s14*s23*z1*z2)/
    (s12^2*s123*s34*z12*z34) - (s13*s14*s23*z1*z2)/(s12^2*s124*s34*z12*z34) - 
   (s14*s23*z1*z2)/(2*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^2*s23*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s23^2*z1*z2)/(s12^2*s34*z12*z34) + (s23^2*z1*z2)/
    (4*s12*s123*s34*z12*z34) - (s23^2*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (3*s13*s23^2*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (3*s13*s23^2*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (s14*s23^2*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s14*s23^2*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^3*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s23^3*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s13*z1*z2)/(2*s234*s34*z12*z34) - (s13^2*z1*z2)/
    (2*s12*s234*s34*z12*z34) - (s14*z1*z2)/(2*s234*s34*z12*z34) - 
   (s13*s14*z1*z2)/(s12*s234*s34*z12*z34) - 
   (s14^2*z1*z2)/(2*s12*s234*s34*z12*z34) - (s23*z1*z2)/(s234*s34*z12*z34) - 
   (3*s13*s23*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (3*s14*s23*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (s23^2*z1*z2)/(s12*s234*s34*z12*z34) - (s24*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s24*z1*z2)/(s12^2*s34*z12*z34) + (s13*s24*z1*z2)/
    (4*s12*s123*s34*z12*z34) - (s13*s24*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (s24*z1*z2)/(s134*s34*z12*z34) - (s13*s24*z1*z2)/
    (2*s12*s134*s34*z12*z34) - (2*s14*s24*z1*z2)/(s12^2*s34*z12*z34) + 
   (s13*s14*s24*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s14*s24*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (s14*s24*z1*z2)/(2*s12*s134*s34*z12*z34) - 
   (2*s23*s24*z1*z2)/(s12^2*s34*z12*z34) + (s23*s24*z1*z2)/
    (4*s12*s123*s34*z12*z34) - (s23*s24*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (s13*s23*s24*z1*z2)/(s12^2*s123*s34*z12*z34) - 
   (s13*s23*s24*z1*z2)/(s12^2*s124*s34*z12*z34) + 
   (s14*s23*s24*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s14*s23*s24*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^2*s24*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s23^2*s24*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (s24*z1*z2)/(s234*s34*z12*z34) - (3*s13*s24*z1*z2)/
    (2*s12*s234*s34*z12*z34) - (3*s14*s24*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (2*s23*s24*z1*z2)/(s12*s234*s34*z12*z34) - 
   (s24^2*z1*z2)/(s12^2*s34*z12*z34) + (s13*s24^2*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) - (s13*s24^2*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) + (s23*s24^2*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) - (s23*s24^2*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) - (s24^2*z1*z2)/(s12*s234*s34*z12*z34) - 
   (3*s34*z1*z2)/(s12^2*z12*z34) - (s34*z1*z2)/(2*s12*s123*z12*z34) - 
   (s34*z1*z2)/(2*s12*s124*z12*z34) + (s13*s34*z1*z2)/
    (4*s12^2*s123*z12*z34) - (3*s13*s34*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (3*s34*z1*z2)/(2*s12*s134*z12*z34) - (s14*s34*z1*z2)/
    (4*s12^2*s123*z12*z34) - (s14*s34*z1*z2)/(4*s12^2*s124*z12*z34) + 
   (s23*s34*z1*z2)/(4*s12^2*s123*z12*z34) - (3*s23*s34*z1*z2)/
    (4*s12^2*s124*z12*z34) - (3*s34*z1*z2)/(2*s12*s234*z12*z34) - 
   (s24*s34*z1*z2)/(4*s12^2*s123*z12*z34) - (s24*s34*z1*z2)/
    (4*s12^2*s124*z12*z34) + (2*s13*z1*z2^2)/(s12^2*z12^2*z34) + 
   (2*s14*z1*z2^2)/(s12^2*z12^2*z34) + (2*s23*z1*z2^2)/(s12^2*z12^2*z34) + 
   (2*s24*z1*z2^2)/(s12^2*z12^2*z34) - (2*z1*z2^2)/(s34*z12^2*z34) - 
   (2*s13*z1*z2^2)/(s12*s34*z12^2*z34) - (2*s14*z1*z2^2)/
    (s12*s34*z12^2*z34) - (2*s23*z1*z2^2)/(s12*s34*z12^2*z34) - 
   (2*s24*z1*z2^2)/(s12*s34*z12^2*z34) + (2*s34*z1*z2^2)/(s12^2*z12^2*z34) + 
   z2^2/(s12*z12*z34) + z2^2/(2*s123*z12*z34) + z2^2/(2*s124*z12*z34) + 
   (s13*z2^2)/(4*s12*s123*z12*z34) + (5*s13*z2^2)/(4*s12*s124*z12*z34) - 
   (s13^2*z2^2)/(2*s12^2*s123*z12*z34) + (s13^2*z2^2)/(s12^2*s124*z12*z34) - 
   z2^2/(2*s134*z12*z34) - (s13*z2^2)/(s12*s134*z12*z34) + 
   (3*s14*z2^2)/(4*s12*s123*z12*z34) + (3*s14*z2^2)/(4*s12*s124*z12*z34) - 
   (s13*s14*z2^2)/(4*s12^2*s123*z12*z34) + (5*s13*s14*z2^2)/
    (4*s12^2*s124*z12*z34) - (s14*z2^2)/(s12*s134*z12*z34) + 
   (s14^2*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s14^2*z2^2)/(4*s12^2*s124*z12*z34) - (s23*z2^2)/(s12^2*z12*z34) + 
   (3*s23*z2^2)/(4*s12*s123*z12*z34) + (3*s23*z2^2)/(4*s12*s124*z12*z34) - 
   (s13*s23*z2^2)/(4*s12^2*s123*z12*z34) + (5*s13*s23*z2^2)/
    (4*s12^2*s124*z12*z34) - (s23*z2^2)/(2*s12*s134*z12*z34) + 
   (s14*s23*z2^2)/(2*s12^2*s123*z12*z34) + 
   (s14*s23*z2^2)/(2*s12^2*s124*z12*z34) + 
   (s23^2*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s23^2*z2^2)/(4*s12^2*s124*z12*z34) + z2^2/(2*s234*z12*z34) - 
   (s23*z2^2)/(2*s12*s234*z12*z34) - (s24*z2^2)/(s12^2*z12*z34) + 
   (3*s24*z2^2)/(4*s12*s123*z12*z34) + (3*s24*z2^2)/(4*s12*s124*z12*z34) - 
   (s13*s24*z2^2)/(4*s12^2*s123*z12*z34) + (5*s13*s24*z2^2)/
    (4*s12^2*s124*z12*z34) - (s24*z2^2)/(2*s12*s134*z12*z34) + 
   (s14*s24*z2^2)/(2*s12^2*s123*z12*z34) + 
   (s14*s24*z2^2)/(2*s12^2*s124*z12*z34) + 
   (s23*s24*z2^2)/(2*s12^2*s123*z12*z34) + 
   (s23*s24*z2^2)/(2*s12^2*s124*z12*z34) - (s24*z2^2)/(2*s12*s234*z12*z34) + 
   (s24^2*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s24^2*z2^2)/(4*s12^2*s124*z12*z34) + (2*z2^2)/(s34*z12*z34) + 
   (3*s13*z2^2)/(s12*s34*z12*z34) + (s13^2*z2^2)/(s12^2*s34*z12*z34) - 
   (s13^2*z2^2)/(4*s12*s123*s34*z12*z34) + 
   (s13^2*z2^2)/(4*s12*s124*s34*z12*z34) - 
   (s13^3*z2^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^3*z2^2)/(4*s12^2*s124*s34*z12*z34) - 
   (s13*z2^2)/(2*s134*s34*z12*z34) - (s13^2*z2^2)/(2*s12*s134*s34*z12*z34) + 
   (3*s14*z2^2)/(s12*s34*z12*z34) + (2*s13*s14*z2^2)/(s12^2*s34*z12*z34) - 
   (s13*s14*z2^2)/(4*s12*s123*s34*z12*z34) + 
   (s13*s14*z2^2)/(4*s12*s124*s34*z12*z34) - (s13^2*s14*z2^2)/
    (2*s12^2*s123*s34*z12*z34) + (s13^2*s14*z2^2)/
    (2*s12^2*s124*s34*z12*z34) - (s14*z2^2)/(2*s134*s34*z12*z34) - 
   (s13*s14*z2^2)/(s12*s134*s34*z12*z34) + (s14^2*z2^2)/(s12^2*s34*z12*z34) - 
   (s13*s14^2*z2^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13*s14^2*z2^2)/(4*s12^2*s124*s34*z12*z34) - 
   (s14^2*z2^2)/(2*s12*s134*s34*z12*z34) + (2*s23*z2^2)/(s12*s34*z12*z34) + 
   (s13*s23*z2^2)/(s12^2*s34*z12*z34) - (s13*s23*z2^2)/
    (4*s12*s123*s34*z12*z34) + (s13*s23*z2^2)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s23*z2^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s23*z2^2)/(2*s12^2*s124*s34*z12*z34) - 
   (s13*s23*z2^2)/(2*s12*s134*s34*z12*z34) + 
   (s14*s23*z2^2)/(s12^2*s34*z12*z34) - (s13*s14*s23*z2^2)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s14*s23*z2^2)/
    (2*s12^2*s124*s34*z12*z34) - (s14*s23*z2^2)/(2*s12*s134*s34*z12*z34) - 
   (s13*s23^2*z2^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13*s23^2*z2^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s12*z2^2)/(s234*s34*z12*z34) + (3*s13*z2^2)/(2*s234*s34*z12*z34) + 
   (s13^2*z2^2)/(2*s12*s234*s34*z12*z34) + 
   (3*s14*z2^2)/(2*s234*s34*z12*z34) + (s13*s14*z2^2)/
    (s12*s234*s34*z12*z34) + (s14^2*z2^2)/(2*s12*s234*s34*z12*z34) + 
   (s23*z2^2)/(s234*s34*z12*z34) + (s13*s23*z2^2)/(2*s12*s234*s34*z12*z34) + 
   (s14*s23*z2^2)/(2*s12*s234*s34*z12*z34) + (2*s24*z2^2)/(s12*s34*z12*z34) + 
   (s13*s24*z2^2)/(s12^2*s34*z12*z34) - (s13*s24*z2^2)/
    (4*s12*s123*s34*z12*z34) + (s13*s24*z2^2)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s24*z2^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z2^2)/(2*s12^2*s124*s34*z12*z34) - 
   (s13*s24*z2^2)/(2*s12*s134*s34*z12*z34) + 
   (s14*s24*z2^2)/(s12^2*s34*z12*z34) - (s13*s14*s24*z2^2)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s14*s24*z2^2)/
    (2*s12^2*s124*s34*z12*z34) - (s14*s24*z2^2)/(2*s12*s134*s34*z12*z34) - 
   (s13*s23*s24*z2^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s23*s24*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s24*z2^2)/(s234*s34*z12*z34) + (s13*s24*z2^2)/(2*s12*s234*s34*z12*z34) + 
   (s14*s24*z2^2)/(2*s12*s234*s34*z12*z34) - (s13*s24^2*z2^2)/
    (4*s12^2*s123*s34*z12*z34) + (s13*s24^2*z2^2)/
    (4*s12^2*s124*s34*z12*z34) - (s34*z2^2)/(s12^2*z12*z34) + 
   (s34*z2^2)/(2*s12*s123*z12*z34) + (s34*z2^2)/(2*s12*s124*z12*z34) - 
   (s13*s34*z2^2)/(4*s12^2*s123*z12*z34) + (3*s13*s34*z2^2)/
    (4*s12^2*s124*z12*z34) - (s34*z2^2)/(2*s12*s134*z12*z34) + 
   (s14*s34*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s14*s34*z2^2)/(4*s12^2*s124*z12*z34) + 
   (s23*s34*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s23*s34*z2^2)/(4*s12^2*s124*z12*z34) - (s34*z2^2)/(2*s12*s234*z12*z34) + 
   (s24*s34*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s24*s34*z2^2)/(4*s12^2*s124*z12*z34) + z3/(s12*z34) - 
   (3*s13*z3)/(4*s12*s123*z34) - (s13*z3)/(4*s12*s124*z34) - 
   (s12*z3)/(s123*s134*z34) + (s12*z3)/(2*s124*s134*z34) - 
   (2*s13*z3)/(s123*s134*z34) + (s13*z3)/(s124*s134*z34) - 
   (3*s14*z3)/(4*s12*s123*z34) - (3*s14*z3)/(4*s12*s124*z34) - 
   (2*s14*z3)/(s123*s134*z34) + (s14*z3)/(s124*s134*z34) + 
   (2*s23*z3)/(s12^2*z34) + (s23*z3)/(4*s12*s123*z34) - 
   (s23*z3)/(4*s12*s124*z34) + (s13*s23*z3)/(s12^2*s123*z34) + 
   (s23*z3)/(s12*s134*z34) + (s23*z3)/(s123*s134*z34) + 
   (s23*z3)/(2*s124*s134*z34) + (4*s13*s23*z3)/(s12*s123*s134*z34) + 
   (3*s14*s23*z3)/(2*s12^2*s123*z34) - (s14*s23*z3)/(2*s12^2*s124*z34) + 
   (4*s14*s23*z3)/(s12*s123*s134*z34) + (2*s23^2*z3)/(s12^2*s123*z34) + 
   (2*s23^2*z3)/(s12*s123*s134*z34) + (s12*z3)/(2*s123*s234*z34) - 
   (s12*z3)/(s124*s234*z34) + (s13*z3)/(2*s123*s234*z34) - 
   (s13*z3)/(s124*s234*z34) + (s14*z3)/(2*s123*s234*z34) - 
   (s14*z3)/(s124*s234*z34) + (2*s23*z3)/(s12*s234*z34) - 
   (2*s23*z3)/(s124*s234*z34) - (s13*s23*z3)/(s12*s123*s234*z34) + 
   (s23*z3)/(s134*s234*z34) - (s14*s23*z3)/(s12*s123*s234*z34) - 
   (2*s23^2*z3)/(s12*s123*s234*z34) + (s24*z3)/(s12^2*z34) - 
   (3*s24*z3)/(4*s12*s123*z34) + (s24*z3)/(4*s12*s124*z34) - 
   (3*s13*s24*z3)/(4*s12^2*s123*z34) + (5*s13*s24*z3)/(4*s12^2*s124*z34) - 
   (s24*z3)/(s123*s134*z34) - (s24*z3)/(2*s124*s134*z34) - 
   (2*s13*s24*z3)/(s12*s124*s134*z34) - (s14*s24*z3)/(4*s12^2*s123*z34) + 
   (3*s14*s24*z3)/(4*s12^2*s124*z34) - (2*s14*s24*z3)/(s12*s124*s134*z34) + 
   (9*s23*s24*z3)/(4*s12^2*s123*z34) + (9*s23*s24*z3)/(4*s12^2*s124*z34) + 
   (2*s23*s24*z3)/(s12*s123*s134*z34) - (s23*s24*z3)/(s12*s124*s134*z34) + 
   (s24*z3)/(s12*s234*z34) + (s24*z3)/(s123*s234*z34) + 
   (2*s13*s24*z3)/(s12*s124*s234*z34) + (2*s14*s24*z3)/(s12*s124*s234*z34) - 
   (2*s23*s24*z3)/(s12*s123*s234*z34) + (4*s23*s24*z3)/(s12*s124*s234*z34) + 
   (s24^2*z3)/(4*s12^2*s123*z34) + (9*s24^2*z3)/(4*s12^2*s124*z34) - 
   (s24^2*z3)/(s12*s124*s134*z34) + (4*s24^2*z3)/(s12*s124*s234*z34) - 
   (s13*z3)/(s34^2*z34) - (s13^2*z3)/(s12*s34^2*z34) - 
   (s12*s13*z3)/(2*s134*s34^2*z34) - (s13^2*z3)/(2*s134*s34^2*z34) - 
   (2*s14*z3)/(s34^2*z34) - (3*s13*s14*z3)/(s12*s34^2*z34) - 
   (s12*s14*z3)/(s134*s34^2*z34) - (3*s13*s14*z3)/(2*s134*s34^2*z34) - 
   (2*s14^2*z3)/(s12*s34^2*z34) - (s14^2*z3)/(s134*s34^2*z34) - 
   (s23*z3)/(s34^2*z34) - (2*s13*s23*z3)/(s12*s34^2*z34) + 
   (s13^2*s23*z3)/(2*s12*s134*s34^2*z34) - (2*s14*s23*z3)/(s12*s34^2*z34) + 
   (s13*s14*s23*z3)/(s12^2*s34^2*z34) + (3*s13*s14*s23*z3)/
    (2*s12*s134*s34^2*z34) + (s14^2*s23*z3)/(s12^2*s34^2*z34) + 
   (s14^2*s23*z3)/(s12*s134*s34^2*z34) + (s23^2*z3)/(s12*s34^2*z34) + 
   (2*s13*s23^2*z3)/(s12^2*s34^2*z34) + (s13*s23^2*z3)/
    (2*s12*s134*s34^2*z34) + (3*s14*s23^2*z3)/(s12^2*s34^2*z34) + 
   (s14*s23^2*z3)/(s12*s134*s34^2*z34) + (2*s23^3*z3)/(s12^2*s34^2*z34) - 
   (s12*s23*z3)/(2*s234*s34^2*z34) + (s13^2*s23*z3)/(2*s12*s234*s34^2*z34) + 
   (s12*s13*s23*z3)/(s134*s234*s34^2*z34) + 
   (s13^2*s23*z3)/(s134*s234*s34^2*z34) + (s14*s23*z3)/(2*s234*s34^2*z34) + 
   (3*s13*s14*s23*z3)/(2*s12*s234*s34^2*z34) + 
   (s12*s14*s23*z3)/(s134*s234*s34^2*z34) + (2*s13*s14*s23*z3)/
    (s134*s234*s34^2*z34) + (s14^2*s23*z3)/(s12*s234*s34^2*z34) + 
   (s14^2*s23*z3)/(s134*s234*s34^2*z34) + (3*s23^2*z3)/(2*s234*s34^2*z34) + 
   (5*s13*s23^2*z3)/(2*s12*s234*s34^2*z34) + 
   (s13*s23^2*z3)/(s134*s234*s34^2*z34) + (3*s14*s23^2*z3)/
    (s12*s234*s34^2*z34) + (s14*s23^2*z3)/(s134*s234*s34^2*z34) + 
   (2*s23^3*z3)/(s12*s234*s34^2*z34) - (2*s24*z3)/(s34^2*z34) - 
   (4*s13*s24*z3)/(s12*s34^2*z34) - (s13^2*s24*z3)/(s12^2*s34^2*z34) + 
   (s13^2*s24*z3)/(2*s12*s134*s34^2*z34) - (4*s14*s24*z3)/(s12*s34^2*z34) - 
   (s13*s14*s24*z3)/(s12^2*s34^2*z34) + (3*s13*s14*s24*z3)/
    (2*s12*s134*s34^2*z34) + (s14^2*s24*z3)/(s12*s134*s34^2*z34) + 
   (s23*s24*z3)/(s12*s34^2*z34) + (3*s13*s23*s24*z3)/(s12^2*s34^2*z34) + 
   (s13*s23*s24*z3)/(s12*s134*s34^2*z34) + (5*s14*s23*s24*z3)/
    (s12^2*s34^2*z34) + (2*s14*s23*s24*z3)/(s12*s134*s34^2*z34) + 
   (6*s23^2*s24*z3)/(s12^2*s34^2*z34) - (s12*s24*z3)/(s234*s34^2*z34) - 
   (3*s13*s24*z3)/(2*s234*s34^2*z34) - (s13^2*s24*z3)/
    (2*s12*s234*s34^2*z34) - (s14*s24*z3)/(s234*s34^2*z34) - 
   (s13*s14*s24*z3)/(2*s12*s234*s34^2*z34) + 
   (3*s23*s24*z3)/(2*s234*s34^2*z34) + (3*s13*s23*s24*z3)/
    (s12*s234*s34^2*z34) + (s13*s23*s24*z3)/(s134*s234*s34^2*z34) + 
   (4*s14*s23*s24*z3)/(s12*s234*s34^2*z34) + (s14*s23*s24*z3)/
    (s134*s234*s34^2*z34) + (5*s23^2*s24*z3)/(s12*s234*s34^2*z34) + 
   (s13*s24^2*z3)/(s12^2*s34^2*z34) + (s13*s24^2*z3)/(2*s12*s134*s34^2*z34) + 
   (2*s14*s24^2*z3)/(s12^2*s34^2*z34) + (s14*s24^2*z3)/(s12*s134*s34^2*z34) + 
   (6*s23*s24^2*z3)/(s12^2*s34^2*z34) + (s13*s24^2*z3)/
    (2*s12*s234*s34^2*z34) + (s14*s24^2*z3)/(s12*s234*s34^2*z34) + 
   (4*s23*s24^2*z3)/(s12*s234*s34^2*z34) + (2*s24^3*z3)/(s12^2*s34^2*z34) + 
   (s24^3*z3)/(s12*s234*s34^2*z34) + z3/(s34*z34) - 
   (3*s13*z3)/(4*s123*s34*z34) - (s13*z3)/(4*s124*s34*z34) - 
   (3*s13^2*z3)/(4*s12*s123*s34*z34) - (s13^2*z3)/(4*s12*s124*s34*z34) - 
   (s13*z3)/(2*s134*s34*z34) - (s12*s13*z3)/(s123*s134*s34*z34) + 
   (s12*s13*z3)/(2*s124*s134*s34*z34) - (s13^2*z3)/(s123*s134*s34*z34) + 
   (s13^2*z3)/(2*s124*s134*s34*z34) - (s14*z3)/(s12*s34*z34) - 
   (3*s14*z3)/(4*s123*s34*z34) - (3*s14*z3)/(4*s124*s34*z34) - 
   (3*s13*s14*z3)/(2*s12*s123*s34*z34) - (s13*s14*z3)/(s12*s124*s34*z34) - 
   (s14*z3)/(s134*s34*z34) - (s12*s14*z3)/(s123*s134*s34*z34) + 
   (s12*s14*z3)/(2*s124*s134*s34*z34) - (2*s13*s14*z3)/(s123*s134*s34*z34) + 
   (s13*s14*z3)/(s124*s134*s34*z34) - (3*s14^2*z3)/(4*s12*s123*s34*z34) - 
   (3*s14^2*z3)/(4*s12*s124*s34*z34) - (s14^2*z3)/(s123*s134*s34*z34) + 
   (s14^2*z3)/(2*s124*s134*s34*z34) + (2*s23*z3)/(s12*s34*z34) - 
   (3*s23*z3)/(4*s123*s34*z34) - (s23*z3)/(4*s124*s34*z34) + 
   (2*s13*s23*z3)/(s12^2*s34*z34) - (3*s13*s23*z3)/(2*s12*s123*s34*z34) - 
   (s13*s23*z3)/(2*s12*s124*s34*z34) + (s23*z3)/(s134*s34*z34) + 
   (3*s13*s23*z3)/(2*s12*s134*s34*z34) + (s13*s23*z3)/(s123*s134*s34*z34) + 
   (s13*s23*z3)/(2*s124*s134*s34*z34) + (2*s13^2*s23*z3)/
    (s12*s123*s134*s34*z34) + (3*s14*s23*z3)/(s12^2*s34*z34) - 
   (s14*s23*z3)/(s12*s123*s34*z34) - (3*s14*s23*z3)/(2*s12*s124*s34*z34) + 
   (s13*s14*s23*z3)/(2*s12^2*s123*s34*z34) - (s13*s14*s23*z3)/
    (2*s12^2*s124*s34*z34) + (2*s14*s23*z3)/(s12*s134*s34*z34) + 
   (s14*s23*z3)/(s123*s134*s34*z34) + (s14*s23*z3)/(2*s124*s134*s34*z34) + 
   (4*s13*s14*s23*z3)/(s12*s123*s134*s34*z34) + 
   (s14^2*s23*z3)/(2*s12^2*s123*s34*z34) - 
   (s14^2*s23*z3)/(2*s12^2*s124*s34*z34) + (2*s14^2*s23*z3)/
    (s12*s123*s134*s34*z34) + (4*s23^2*z3)/(s12^2*s34*z34) + 
   (s23^2*z3)/(4*s12*s123*s34*z34) - (s23^2*z3)/(4*s12*s124*s34*z34) + 
   (s13*s23^2*z3)/(s12^2*s123*s34*z34) + (s23^2*z3)/(s12*s134*s34*z34) + 
   (2*s13*s23^2*z3)/(s12*s123*s134*s34*z34) + 
   (3*s14*s23^2*z3)/(2*s12^2*s123*s34*z34) - 
   (s14*s23^2*z3)/(2*s12^2*s124*s34*z34) + (2*s14*s23^2*z3)/
    (s12*s123*s134*s34*z34) + (s23^3*z3)/(s12^2*s123*s34*z34) + 
   (3*s23*z3)/(2*s234*s34*z34) + (s12*s23*z3)/(2*s123*s234*s34*z34) - 
   (s12*s23*z3)/(s124*s234*s34*z34) + (5*s13*s23*z3)/(2*s12*s234*s34*z34) + 
   (s13*s23*z3)/(2*s123*s234*s34*z34) - (s13*s23*z3)/(s124*s234*s34*z34) + 
   (s12*s23*z3)/(s134*s234*s34*z34) + (2*s13*s23*z3)/(s134*s234*s34*z34) + 
   (3*s14*s23*z3)/(s12*s234*s34*z34) + (s14*s23*z3)/(2*s123*s234*s34*z34) - 
   (s14*s23*z3)/(s124*s234*s34*z34) + (2*s14*s23*z3)/(s134*s234*s34*z34) + 
   (4*s23^2*z3)/(s12*s234*s34*z34) - (s23^2*z3)/(2*s123*s234*s34*z34) - 
   (s23^2*z3)/(s124*s234*s34*z34) - (s13*s23^2*z3)/(s12*s123*s234*s34*z34) + 
   (s23^2*z3)/(s134*s234*s34*z34) - (s14*s23^2*z3)/(s12*s123*s234*s34*z34) - 
   (s23^3*z3)/(s12*s123*s234*s34*z34) - (3*s24*z3)/(4*s123*s34*z34) - 
   (3*s24*z3)/(4*s124*s34*z34) - (9*s13*s24*z3)/(4*s12*s123*s34*z34) - 
   (3*s13*s24*z3)/(4*s12*s124*s34*z34) - (3*s13^2*s24*z3)/
    (4*s12^2*s123*s34*z34) + (s13^2*s24*z3)/(4*s12^2*s124*s34*z34) + 
   (s13*s24*z3)/(2*s12*s134*s34*z34) - (s13*s24*z3)/(s123*s134*s34*z34) - 
   (s13*s24*z3)/(2*s124*s134*s34*z34) - (s13^2*s24*z3)/
    (s12*s124*s134*s34*z34) + (s14*s24*z3)/(s12^2*s34*z34) - 
   (7*s14*s24*z3)/(4*s12*s123*s34*z34) - (7*s14*s24*z3)/
    (4*s12*s124*s34*z34) - (s13*s14*s24*z3)/(s12^2*s123*s34*z34) + 
   (s14*s24*z3)/(s12*s134*s34*z34) - (s14*s24*z3)/(s123*s134*s34*z34) - 
   (s14*s24*z3)/(2*s124*s134*s34*z34) - (2*s13*s14*s24*z3)/
    (s12*s124*s134*s34*z34) - (s14^2*s24*z3)/(4*s12^2*s123*s34*z34) - 
   (s14^2*s24*z3)/(4*s12^2*s124*s34*z34) - 
   (s14^2*s24*z3)/(s12*s124*s134*s34*z34) + (7*s23*s24*z3)/(s12^2*s34*z34) - 
   (s23*s24*z3)/(4*s12*s123*s34*z34) + (s23*s24*z3)/(4*s12*s124*s34*z34) + 
   (s13*s23*s24*z3)/(2*s12^2*s123*s34*z34) + (3*s13*s23*s24*z3)/
    (2*s12^2*s124*s34*z34) + (s23*s24*z3)/(s12*s134*s34*z34) + 
   (2*s13*s23*s24*z3)/(s12*s123*s134*s34*z34) - 
   (s13*s23*s24*z3)/(s12*s124*s134*s34*z34) + (3*s14*s23*s24*z3)/
    (2*s12^2*s123*s34*z34) + (s14*s23*s24*z3)/(2*s12^2*s124*s34*z34) + 
   (2*s14*s23*s24*z3)/(s12*s123*s134*s34*z34) - 
   (s14*s23*s24*z3)/(s12*s124*s134*s34*z34) + 
   (9*s23^2*s24*z3)/(4*s12^2*s123*s34*z34) + (5*s23^2*s24*z3)/
    (4*s12^2*s124*s34*z34) + (s12*s24*z3)/(2*s123*s234*s34*z34) - 
   (s12*s24*z3)/(s124*s234*s34*z34) + (s13*s24*z3)/(2*s12*s234*s34*z34) + 
   (s13*s24*z3)/(2*s123*s234*s34*z34) - (s13*s24*z3)/(s124*s234*s34*z34) + 
   (s14*s24*z3)/(s12*s234*s34*z34) + (s14*s24*z3)/(2*s123*s234*s34*z34) - 
   (s14*s24*z3)/(s124*s234*s34*z34) + (6*s23*s24*z3)/(s12*s234*s34*z34) - 
   (s13*s23*s24*z3)/(s12*s123*s234*s34*z34) + (2*s13*s23*s24*z3)/
    (s12*s124*s234*s34*z34) + (s23*s24*z3)/(s134*s234*s34*z34) - 
   (s14*s23*s24*z3)/(s12*s123*s234*s34*z34) + (2*s14*s23*s24*z3)/
    (s12*s124*s234*s34*z34) - (2*s23^2*s24*z3)/(s12*s123*s234*s34*z34) + 
   (2*s23^2*s24*z3)/(s12*s124*s234*s34*z34) + (3*s24^2*z3)/(s12^2*s34*z34) - 
   (s24^2*z3)/(2*s12*s123*s34*z34) + (s24^2*z3)/(2*s12*s124*s34*z34) - 
   (s13*s24^2*z3)/(2*s12^2*s123*s34*z34) + (3*s13*s24^2*z3)/
    (2*s12^2*s124*s34*z34) - (s13*s24^2*z3)/(s12*s124*s134*s34*z34) + 
   (s14*s24^2*z3)/(s12^2*s124*s34*z34) - (s14*s24^2*z3)/
    (s12*s124*s134*s34*z34) + (3*s23*s24^2*z3)/(2*s12^2*s123*s34*z34) + 
   (5*s23*s24^2*z3)/(2*s12^2*s124*s34*z34) + 
   (2*s24^2*z3)/(s12*s234*s34*z34) + (s24^2*z3)/(2*s123*s234*s34*z34) + 
   (s24^2*z3)/(s124*s234*s34*z34) + (2*s13*s24^2*z3)/
    (s12*s124*s234*s34*z34) + (2*s14*s24^2*z3)/(s12*s124*s234*s34*z34) - 
   (s23*s24^2*z3)/(s12*s123*s234*s34*z34) + (4*s23*s24^2*z3)/
    (s12*s124*s234*s34*z34) + (s24^3*z3)/(4*s12^2*s123*s34*z34) + 
   (5*s24^3*z3)/(4*s12^2*s124*s34*z34) + 
   (2*s24^3*z3)/(s12*s124*s234*s34*z34) - (s34*z3)/(s123*s134*z34) + 
   (s34*z3)/(2*s124*s134*z34) + (s23*s34*z3)/(s12^2*s123*z34) + 
   (2*s23*s34*z3)/(s12*s123*s134*z34) + (s34*z3)/(2*s123*s234*z34) - 
   (s34*z3)/(s124*s234*z34) - (s23*s34*z3)/(s12*s123*s234*z34) + 
   (s24*s34*z3)/(s12^2*s124*z34) - (s24*s34*z3)/(s12*s124*s134*z34) + 
   (2*s24*s34*z3)/(s12*s124*s234*z34) - (z1*z3)/(s12*z12*z34) + 
   (z1*z3)/(2*s123*z12*z34) - (z1*z3)/(2*s124*z12*z34) + 
   (3*s13*z1*z3)/(4*s12*s123*z12*z34) - (3*s13*z1*z3)/(4*s12*s124*z12*z34) + 
   (3*s14*z1*z3)/(4*s12*s123*z12*z34) - (3*s14*z1*z3)/(4*s12*s124*z12*z34) - 
   (2*s23*z1*z3)/(s12^2*z12*z34) + (s23*z1*z3)/(4*s12*s123*z12*z34) - 
   (s23*z1*z3)/(4*s12*s124*z12*z34) - (s13*s23*z1*z3)/(s12^2*s123*z12*z34) - 
   (s23*z1*z3)/(2*s12*s134*z12*z34) - (3*s14*s23*z1*z3)/
    (2*s12^2*s123*z12*z34) + (s14*s23*z1*z3)/(2*s12^2*s124*z12*z34) - 
   (s23^2*z1*z3)/(s12^2*s123*z12*z34) - (s23*z1*z3)/(2*s12*s234*z12*z34) - 
   (s24*z1*z3)/(s12^2*z12*z34) + (7*s24*z1*z3)/(4*s12*s123*z12*z34) - 
   (3*s24*z1*z3)/(4*s12*s124*z12*z34) + (3*s13*s24*z1*z3)/
    (4*s12^2*s123*z12*z34) - (5*s13*s24*z1*z3)/(4*s12^2*s124*z12*z34) + 
   (s14*s24*z1*z3)/(4*s12^2*s123*z12*z34) - (3*s14*s24*z1*z3)/
    (4*s12^2*s124*z12*z34) - (3*s23*s24*z1*z3)/(4*s12^2*s123*z12*z34) - 
   (3*s23*s24*z1*z3)/(4*s12^2*s124*z12*z34) + 
   (s24^2*z1*z3)/(4*s12^2*s123*z12*z34) - (3*s24^2*z1*z3)/
    (4*s12^2*s124*z12*z34) + (s23*z1*z3)/(s34^2*z12*z34) + 
   (s13*s23*z1*z3)/(s12*s34^2*z12*z34) - (s13*s23*z1*z3)/
    (4*s134*s34^2*z12*z34) - (s13^2*s23*z1*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (s13*s14*s23*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s14*s23*z1*z3)/(4*s134*s34^2*z12*z34) - (s13*s14*s23*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) - (s14^2*s23*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s14^2*s23*z1*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s23^2*z1*z3)/(s12*s34^2*z12*z34) - (s23^2*z1*z3)/(4*s134*s34^2*z12*z34) - 
   (s13*s23^2*z1*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s23^2*z1*z3)/(s12^2*s34^2*z12*z34) - (s14*s23^2*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) - (s23^3*z1*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (s13*s23*z1*z3)/(4*s234*s34^2*z12*z34) - (s13^2*s23*z1*z3)/
    (4*s12*s234*s34^2*z12*z34) - (s14*s23*z1*z3)/(4*s234*s34^2*z12*z34) - 
   (s13*s14*s23*z1*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (s14^2*s23*z1*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (s23^2*z1*z3)/(4*s234*s34^2*z12*z34) - (s13*s23^2*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s14*s23^2*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s23^3*z1*z3)/(4*s12*s234*s34^2*z12*z34) + 
   (2*s24*z1*z3)/(s34^2*z12*z34) + (3*s13*s24*z1*z3)/(s12*s34^2*z12*z34) + 
   (s13^2*s24*z1*z3)/(s12^2*s34^2*z12*z34) + (2*s14*s24*z1*z3)/
    (s12*s34^2*z12*z34) + (s13*s14*s24*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (3*s23*s24*z1*z3)/(s12*s34^2*z12*z34) + (s13*s23*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) - (s23*s24*z1*z3)/(4*s134*s34^2*z12*z34) - 
   (s13*s23*s24*z1*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s23*s24*z1*z3)/(s12^2*s34^2*z12*z34) - (s14*s23*s24*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) - (s23^2*s24*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) - (s23*s24*z1*z3)/(4*s234*s34^2*z12*z34) - 
   (s13*s23*s24*z1*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (s14*s23*s24*z1*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (s23^2*s24*z1*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (2*s24^2*z1*z3)/(s12*s34^2*z12*z34) + (s13*s24^2*z1*z3)/
    (s12^2*s34^2*z12*z34) - (s23*s24^2*z1*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (s23*s24^2*z1*z3)/(4*s12*s234*s34^2*z12*z34) - (z1*z3)/(s34*z12*z34) - 
   (s13*z1*z3)/(s12*s34*z12*z34) + (s13*z1*z3)/(4*s123*s34*z12*z34) - 
   (s13*z1*z3)/(4*s124*s34*z12*z34) + (s13^2*z1*z3)/
    (4*s12*s123*s34*z12*z34) - (s13^2*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (s14*z1*z3)/(s12*s34*z12*z34) + (s14*z1*z3)/(4*s123*s34*z12*z34) - 
   (s14*z1*z3)/(4*s124*s34*z12*z34) + (s13*s14*z1*z3)/
    (2*s12*s123*s34*z12*z34) - (s13*s14*z1*z3)/(2*s12*s124*s34*z12*z34) + 
   (s14^2*z1*z3)/(4*s12*s123*s34*z12*z34) - 
   (s14^2*z1*z3)/(4*s12*s124*s34*z12*z34) - (2*s23*z1*z3)/(s12*s34*z12*z34) + 
   (3*s23*z1*z3)/(4*s123*s34*z12*z34) + (s23*z1*z3)/(4*s124*s34*z12*z34) - 
   (2*s13*s23*z1*z3)/(s12^2*s34*z12*z34) + (s13*s23*z1*z3)/
    (s12*s123*s34*z12*z34) - (s23*z1*z3)/(2*s134*s34*z12*z34) - 
   (3*s13*s23*z1*z3)/(4*s12*s134*s34*z12*z34) - 
   (3*s14*s23*z1*z3)/(s12^2*s34*z12*z34) + (s14*s23*z1*z3)/
    (2*s12*s123*s34*z12*z34) + (s14*s23*z1*z3)/(2*s12*s124*s34*z12*z34) - 
   (s13*s14*s23*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14*s23*z1*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (3*s14*s23*z1*z3)/(4*s12*s134*s34*z12*z34) - 
   (s14^2*s23*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z1*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (2*s23^2*z1*z3)/(s12^2*s34*z12*z34) + (3*s23^2*z1*z3)/
    (4*s12*s123*s34*z12*z34) + (s23^2*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (3*s23^2*z1*z3)/(4*s12*s134*s34*z12*z34) - 
   (s14*s23^2*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23^2*z1*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (s23*z1*z3)/(2*s234*s34*z12*z34) - (3*s13*s23*z1*z3)/
    (4*s12*s234*s34*z12*z34) - (3*s14*s23*z1*z3)/(4*s12*s234*s34*z12*z34) - 
   (3*s23^2*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (5*s24*z1*z3)/(4*s123*s34*z12*z34) + (3*s24*z1*z3)/(4*s124*s34*z12*z34) + 
   (9*s13*s24*z1*z3)/(4*s12*s123*s34*z12*z34) + 
   (s13*s24*z1*z3)/(4*s12*s124*s34*z12*z34) + (3*s13^2*s24*z1*z3)/
    (4*s12^2*s123*s34*z12*z34) - (s13^2*s24*z1*z3)/
    (4*s12^2*s124*s34*z12*z34) - (s14*s24*z1*z3)/(s12^2*s34*z12*z34) + 
   (7*s14*s24*z1*z3)/(4*s12*s123*s34*z12*z34) + 
   (3*s14*s24*z1*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14*s24*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (s14^2*s24*z1*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^2*s24*z1*z3)/(4*s12^2*s124*s34*z12*z34) - 
   (3*s23*s24*z1*z3)/(s12^2*s34*z12*z34) + (9*s23*s24*z1*z3)/
    (4*s12*s123*s34*z12*z34) + (5*s23*s24*z1*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13*s23*s24*z1*z3)/(s12^2*s123*s34*z12*z34) - 
   (3*s23*s24*z1*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14*s23*s24*z1*z3)/(s12^2*s124*s34*z12*z34) + 
   (s23^2*s24*z1*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s23^2*s24*z1*z3)/(4*s12^2*s124*s34*z12*z34) - 
   (3*s23*s24*z1*z3)/(4*s12*s234*s34*z12*z34) - 
   (s24^2*z1*z3)/(s12^2*s34*z12*z34) + (3*s24^2*z1*z3)/
    (2*s12*s123*s34*z12*z34) + (s24^2*z1*z3)/(s12*s124*s34*z12*z34) + 
   (s13*s24^2*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (s14*s24^2*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s24^2*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s23*s24^2*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s23*s24^2*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s24^3*z1*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s24^3*z1*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s34*z1*z3)/(2*s12*s123*z12*z34) - (s34*z1*z3)/(2*s12*s124*z12*z34) - 
   (s23*s34*z1*z3)/(s12^2*s123*z12*z34) - (s24*s34*z1*z3)/
    (s12^2*s124*z12*z34) + (4*z1*z2*z3)/(s12*z12^2*z34) + 
   (2*z1*z2*z3)/(s123*z12^2*z34) + (2*z1*z2*z3)/(s124*z12^2*z34) + 
   (4*s13*z1*z2*z3)/(s12^2*z12^2*z34) + (5*s13*z1*z2*z3)/
    (s12*s123*z12^2*z34) + (3*s13*z1*z2*z3)/(s12*s124*z12^2*z34) + 
   (3*s13^2*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (2*s14*z1*z2*z3)/(s12^2*z12^2*z34) + (3*s14*z1*z2*z3)/
    (s12*s123*z12^2*z34) + (5*s14*z1*z2*z3)/(s12*s124*z12^2*z34) + 
   (3*s13*s14*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (3*s13*s14*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (3*s14^2*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (4*s23*z1*z2*z3)/(s12^2*z12^2*z34) + (5*s23*z1*z2*z3)/
    (s12*s123*z12^2*z34) + (3*s23*z1*z2*z3)/(s12*s124*z12^2*z34) + 
   (6*s13*s23*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (3*s14*s23*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (3*s14*s23*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (3*s23^2*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (2*s24*z1*z2*z3)/(s12^2*z12^2*z34) + (3*s24*z1*z2*z3)/
    (s12*s123*z12^2*z34) + (5*s24*z1*z2*z3)/(s12*s124*z12^2*z34) + 
   (3*s13*s24*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (3*s13*s24*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (6*s14*s24*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (3*s23*s24*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (3*s23*s24*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (3*s24^2*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (2*s13*z1*z2*z3)/(s34^2*z12^2*z34) + (4*s13^2*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) + (2*s13^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (4*s14*z1*z2*z3)/(s34^2*z12^2*z34) + (10*s13*s14*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) + (6*s13^2*s14*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (6*s14^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) + (6*s13*s14^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (2*s14^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (2*s23*z1*z2*z3)/(s34^2*z12^2*z34) + (8*s13*s23*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) + (6*s13^2*s23*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (10*s14*s23*z1*z2*z3)/(s12*s34^2*z12^2*z34) + (12*s13*s14*s23*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (6*s14^2*s23*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (4*s23^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (6*s13*s23^2*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (6*s14*s23^2*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (2*s23^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (4*s24*z1*z2*z3)/(s34^2*z12^2*z34) + (10*s13*s24*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) + (6*s13^2*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (12*s14*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) + (12*s13*s14*s24*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (6*s14^2*s24*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (10*s23*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (12*s13*s23*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (12*s14*s23*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (6*s23^2*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (6*s24^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) + (6*s13*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (6*s14*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (6*s23*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (2*s24^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (4*z1*z2*z3)/(s34*z12^2*z34) + (10*s13*z1*z2*z3)/(s12*s34*z12^2*z34) + 
   (s13*z1*z2*z3)/(s123*s34*z12^2*z34) + (s13*z1*z2*z3)/
    (s124*s34*z12^2*z34) + (6*s13^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (2*s13^2*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (s13^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (s13^3*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (10*s14*z1*z2*z3)/(s12*s34*z12^2*z34) + 
   (s14*z1*z2*z3)/(s123*s34*z12^2*z34) + (s14*z1*z2*z3)/
    (s124*s34*z12^2*z34) + (10*s13*s14*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (3*s13*s14*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (3*s13*s14*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (2*s13^2*s14*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (s13^2*s14*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (4*s14^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (s14^2*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (2*s14^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (s13*s14^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s14^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (s14^3*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (10*s23*z1*z2*z3)/(s12*s34*z12^2*z34) + 
   (s23*z1*z2*z3)/(s123*s34*z12^2*z34) + (s23*z1*z2*z3)/
    (s124*s34*z12^2*z34) + (12*s13*s23*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (4*s13*s23*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (2*s13*s23*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (3*s13^2*s23*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (10*s14*s23*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (3*s14*s23*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (3*s14*s23*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (4*s13*s14*s23*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s14*s23*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (s14^2*s23*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s14^2*s23*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (6*s23^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) + (2*s23^2*z1*z2*z3)/
    (s12*s123*s34*z12^2*z34) + (s23^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (3*s13*s23^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s14*s23^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (s14*s23^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (s23^3*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (10*s24*z1*z2*z3)/(s12*s34*z12^2*z34) + 
   (s24*z1*z2*z3)/(s123*s34*z12^2*z34) + (s24*z1*z2*z3)/
    (s124*s34*z12^2*z34) + (10*s13*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (3*s13*s24*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (3*s13*s24*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (2*s13^2*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (s13^2*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (8*s14*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (2*s14*s24*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (4*s14*s24*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (2*s13*s14*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (4*s13*s14*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (3*s14^2*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (10*s23*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (3*s23*s24*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (3*s23*s24*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (4*s13*s23*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s23*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (2*s14*s23*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (4*s14*s23*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (2*s23^2*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (s23^2*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (4*s24^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (s24^2*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (2*s24^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (s13*s24^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (3*s14*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (s23*s24^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s23*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (s24^3*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (2*s34*z1*z2*z3)/(s12*s123*z12^2*z34) + (2*s34*z1*z2*z3)/
    (s12*s124*z12^2*z34) + (2*s13*s34*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (2*s14*s34*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (2*s23*s34*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (2*s24*s34*z1*z2*z3)/(s12^2*s124*z12^2*z34) - (3*z2*z3)/(s12*z12*z34) - 
   (z2*z3)/(2*s123*z12*z34) - (3*z2*z3)/(2*s124*z12*z34) - 
   (4*s13*z2*z3)/(s12^2*z12*z34) - (11*s13*z2*z3)/(4*s12*s123*z12*z34) - 
   (9*s13*z2*z3)/(4*s12*s124*z12*z34) - (3*s13^2*z2*z3)/
    (s12^2*s123*z12*z34) - (3*z2*z3)/(2*s134*z12*z34) - 
   (2*s12*z2*z3)/(s123*s134*z12*z34) + (s12*z2*z3)/(s124*s134*z12*z34) - 
   (7*s13*z2*z3)/(4*s12*s134*z12*z34) - (6*s13*z2*z3)/(s123*s134*z12*z34) + 
   (2*s13*z2*z3)/(s124*s134*z12*z34) - (4*s13^2*z2*z3)/
    (s12*s123*s134*z12*z34) - (2*s14*z2*z3)/(s12^2*z12*z34) - 
   (3*s14*z2*z3)/(4*s12*s123*z12*z34) - (17*s14*z2*z3)/(4*s12*s124*z12*z34) - 
   (3*s13*s14*z2*z3)/(s12^2*s123*z12*z34) - (3*s13*s14*z2*z3)/
    (s12^2*s124*z12*z34) - (3*s14*z2*z3)/(4*s12*s134*z12*z34) - 
   (4*s14*z2*z3)/(s123*s134*z12*z34) + (3*s14*z2*z3)/(s124*s134*z12*z34) - 
   (4*s13*s14*z2*z3)/(s12*s123*s134*z12*z34) + 
   (2*s13*s14*z2*z3)/(s12*s124*s134*z12*z34) - 
   (3*s14^2*z2*z3)/(s12^2*s124*z12*z34) + (2*s14^2*z2*z3)/
    (s12*s124*s134*z12*z34) - (2*s23*z2*z3)/(s12^2*z12*z34) - 
   (9*s23*z2*z3)/(4*s12*s123*z12*z34) - (11*s23*z2*z3)/(4*s12*s124*z12*z34) - 
   (5*s13*s23*z2*z3)/(s12^2*s123*z12*z34) - 
   (5*s23*z2*z3)/(4*s12*s134*z12*z34) - (4*s23*z2*z3)/(s123*s134*z12*z34) + 
   (s23*z2*z3)/(s124*s134*z12*z34) - (6*s13*s23*z2*z3)/
    (s12*s123*s134*z12*z34) - (3*s14*s23*z2*z3)/(2*s12^2*s123*z12*z34) - 
   (7*s14*s23*z2*z3)/(2*s12^2*s124*z12*z34) - 
   (4*s14*s23*z2*z3)/(s12*s123*s134*z12*z34) + 
   (s14*s23*z2*z3)/(s12*s124*s134*z12*z34) - 
   (2*s23^2*z2*z3)/(s12^2*s123*z12*z34) - (2*s23^2*z2*z3)/
    (s12*s123*s134*z12*z34) - (z2*z3)/(2*s234*z12*z34) + 
   (s12*z2*z3)/(s123*s234*z12*z34) - (2*s12*z2*z3)/(s124*s234*z12*z34) - 
   (5*s13*z2*z3)/(4*s12*s234*z12*z34) + (2*s13*z2*z3)/(s123*s234*z12*z34) - 
   (2*s13*z2*z3)/(s124*s234*z12*z34) + (s13^2*z2*z3)/
    (s12*s123*s234*z12*z34) - (s14*z2*z3)/(4*s12*s234*z12*z34) + 
   (s14*z2*z3)/(s123*s234*z12*z34) - (4*s14*z2*z3)/(s124*s234*z12*z34) + 
   (s13*s14*z2*z3)/(s12*s123*s234*z12*z34) - (2*s13*s14*z2*z3)/
    (s12*s124*s234*z12*z34) - (2*s14^2*z2*z3)/(s12*s124*s234*z12*z34) - 
   (3*s23*z2*z3)/(4*s12*s234*z12*z34) + (3*s23*z2*z3)/(s123*s234*z12*z34) - 
   (4*s23*z2*z3)/(s124*s234*z12*z34) + (3*s13*s23*z2*z3)/
    (s12*s123*s234*z12*z34) + (s14*s23*z2*z3)/(s12*s123*s234*z12*z34) - 
   (4*s14*s23*z2*z3)/(s12*s124*s234*z12*z34) + 
   (2*s23^2*z2*z3)/(s12*s123*s234*z12*z34) - (s24*z2*z3)/(s12^2*z12*z34) - 
   (7*s24*z2*z3)/(4*s12*s123*z12*z34) - (17*s24*z2*z3)/(4*s12*s124*z12*z34) - 
   (15*s13*s24*z2*z3)/(4*s12^2*s123*z12*z34) - 
   (7*s13*s24*z2*z3)/(4*s12^2*s124*z12*z34) - 
   (3*s24*z2*z3)/(4*s12*s134*z12*z34) - (2*s24*z2*z3)/(s123*s134*z12*z34) + 
   (2*s24*z2*z3)/(s124*s134*z12*z34) - (2*s13*s24*z2*z3)/
    (s12*s123*s134*z12*z34) + (2*s13*s24*z2*z3)/(s12*s124*s134*z12*z34) - 
   (s14*s24*z2*z3)/(4*s12^2*s123*z12*z34) - (21*s14*s24*z2*z3)/
    (4*s12^2*s124*z12*z34) + (3*s14*s24*z2*z3)/(s12*s124*s134*z12*z34) - 
   (9*s23*s24*z2*z3)/(4*s12^2*s123*z12*z34) - 
   (9*s23*s24*z2*z3)/(4*s12^2*s124*z12*z34) - 
   (2*s23*s24*z2*z3)/(s12*s123*s134*z12*z34) + 
   (s23*s24*z2*z3)/(s12*s124*s134*z12*z34) - 
   (s24*z2*z3)/(4*s12*s234*z12*z34) + (2*s24*z2*z3)/(s123*s234*z12*z34) - 
   (6*s24*z2*z3)/(s124*s234*z12*z34) + (2*s13*s24*z2*z3)/
    (s12*s123*s234*z12*z34) - (2*s13*s24*z2*z3)/(s12*s124*s234*z12*z34) - 
   (6*s14*s24*z2*z3)/(s12*s124*s234*z12*z34) + 
   (2*s23*s24*z2*z3)/(s12*s123*s234*z12*z34) - 
   (4*s23*s24*z2*z3)/(s12*s124*s234*z12*z34) - 
   (s24^2*z2*z3)/(4*s12^2*s123*z12*z34) - (9*s24^2*z2*z3)/
    (4*s12^2*s124*z12*z34) + (s24^2*z2*z3)/(s12*s124*s134*z12*z34) - 
   (4*s24^2*z2*z3)/(s12*s124*s234*z12*z34) - (s13*z2*z3)/(s34^2*z12*z34) - 
   (3*s13^2*z2*z3)/(s12*s34^2*z12*z34) - (2*s13^3*z2*z3)/
    (s12^2*s34^2*z12*z34) - (s12*s13*z2*z3)/(s134*s34^2*z12*z34) - 
   (9*s13^2*z2*z3)/(4*s134*s34^2*z12*z34) - (5*s13^3*z2*z3)/
    (4*s12*s134*s34^2*z12*z34) - (2*s14*z2*z3)/(s34^2*z12*z34) - 
   (7*s13*s14*z2*z3)/(s12*s34^2*z12*z34) - (6*s13^2*s14*z2*z3)/
    (s12^2*s34^2*z12*z34) - (2*s12*s14*z2*z3)/(s134*s34^2*z12*z34) - 
   (21*s13*s14*z2*z3)/(4*s134*s34^2*z12*z34) - (7*s13^2*s14*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) - (4*s14^2*z2*z3)/(s12*s34^2*z12*z34) - 
   (6*s13*s14^2*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s14^2*z2*z3)/(s134*s34^2*z12*z34) - (13*s13*s14^2*z2*z3)/
    (4*s12*s134*s34^2*z12*z34) - (2*s14^3*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s14^3*z2*z3)/(s12*s134*s34^2*z12*z34) - (2*s23*z2*z3)/(s34^2*z12*z34) - 
   (7*s13*s23*z2*z3)/(s12*s34^2*z12*z34) - (6*s13^2*s23*z2*z3)/
    (s12^2*s34^2*z12*z34) - (9*s13*s23*z2*z3)/(4*s134*s34^2*z12*z34) - 
   (5*s13^2*s23*z2*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (7*s14*s23*z2*z3)/(s12*s34^2*z12*z34) - (11*s13*s14*s23*z2*z3)/
    (s12^2*s34^2*z12*z34) - (7*s14*s23*z2*z3)/(2*s134*s34^2*z12*z34) - 
   (5*s13*s14*s23*z2*z3)/(s12*s134*s34^2*z12*z34) - 
   (5*s14^2*s23*z2*z3)/(s12^2*s34^2*z12*z34) - (5*s14^2*s23*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) - (4*s23^2*z2*z3)/(s12*s34^2*z12*z34) - 
   (6*s13*s23^2*z2*z3)/(s12^2*s34^2*z12*z34) - (5*s13*s23^2*z2*z3)/
    (4*s12*s134*s34^2*z12*z34) - (5*s14*s23^2*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s14*s23^2*z2*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (2*s23^3*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s13^2*z2*z3)/(4*s234*s34^2*z12*z34) - 
   (s13^3*z2*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (s13*s14*z2*z3)/(4*s234*s34^2*z12*z34) - (s13^2*s14*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s13*s14^2*z2*z3)/
    (4*s12*s234*s34^2*z12*z34) - (s12*s23*z2*z3)/(s234*s34^2*z12*z34) - 
   (9*s13*s23*z2*z3)/(4*s234*s34^2*z12*z34) - (3*s13^2*s23*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) - (3*s14*s23*z2*z3)/(2*s234*s34^2*z12*z34) - 
   (2*s13*s14*s23*z2*z3)/(s12*s234*s34^2*z12*z34) - 
   (s14^2*s23*z2*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (2*s23^2*z2*z3)/(s234*s34^2*z12*z34) - (9*s13*s23^2*z2*z3)/
    (4*s12*s234*s34^2*z12*z34) - (3*s14*s23^2*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s23^3*z2*z3)/(s12*s234*s34^2*z12*z34) - 
   (4*s24*z2*z3)/(s34^2*z12*z34) - (10*s13*s24*z2*z3)/(s12*s34^2*z12*z34) - 
   (7*s13^2*s24*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (7*s13*s24*z2*z3)/(4*s134*s34^2*z12*z34) - (2*s13^2*s24*z2*z3)/
    (s12*s134*s34^2*z12*z34) - (10*s14*s24*z2*z3)/(s12*s34^2*z12*z34) - 
   (13*s13*s14*s24*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s14*s24*z2*z3)/(s134*s34^2*z12*z34) - (4*s13*s14*s24*z2*z3)/
    (s12*s134*s34^2*z12*z34) - (6*s14^2*s24*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (2*s14^2*s24*z2*z3)/(s12*s134*s34^2*z12*z34) - 
   (10*s23*s24*z2*z3)/(s12*s34^2*z12*z34) - (13*s13*s23*s24*z2*z3)/
    (s12^2*s34^2*z12*z34) - (2*s13*s23*s24*z2*z3)/(s12*s134*s34^2*z12*z34) - 
   (11*s14*s23*s24*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (5*s14*s23*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (6*s23^2*s24*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (2*s12*s24*z2*z3)/(s234*s34^2*z12*z34) - (15*s13*s24*z2*z3)/
    (4*s234*s34^2*z12*z34) - (2*s13^2*s24*z2*z3)/(s12*s234*s34^2*z12*z34) - 
   (3*s14*s24*z2*z3)/(s234*s34^2*z12*z34) - (3*s13*s14*s24*z2*z3)/
    (s12*s234*s34^2*z12*z34) - (s14^2*s24*z2*z3)/(s12*s234*s34^2*z12*z34) - 
   (5*s23*s24*z2*z3)/(s234*s34^2*z12*z34) - (5*s13*s23*s24*z2*z3)/
    (s12*s234*s34^2*z12*z34) - (7*s14*s23*s24*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) - (3*s23^2*s24*z2*z3)/
    (s12*s234*s34^2*z12*z34) - (6*s24^2*z2*z3)/(s12*s34^2*z12*z34) - 
   (7*s13*s24^2*z2*z3)/(s12^2*s34^2*z12*z34) - (3*s13*s24^2*z2*z3)/
    (4*s12*s134*s34^2*z12*z34) - (6*s14*s24^2*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s14*s24^2*z2*z3)/(s12*s134*s34^2*z12*z34) - 
   (6*s23*s24^2*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s24^2*z2*z3)/(s234*s34^2*z12*z34) - (11*s13*s24^2*z2*z3)/
    (4*s12*s234*s34^2*z12*z34) - (2*s14*s24^2*z2*z3)/
    (s12*s234*s34^2*z12*z34) - (3*s23*s24^2*z2*z3)/(s12*s234*s34^2*z12*z34) - 
   (2*s24^3*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s24^3*z2*z3)/(s12*s234*s34^2*z12*z34) - (3*z2*z3)/(s34*z12*z34) - 
   (8*s13*z2*z3)/(s12*s34*z12*z34) - (s13*z2*z3)/(4*s123*s34*z12*z34) - 
   (3*s13*z2*z3)/(4*s124*s34*z12*z34) - (6*s13^2*z2*z3)/(s12^2*s34*z12*z34) - 
   (5*s13^2*z2*z3)/(4*s12*s123*s34*z12*z34) - 
   (3*s13^2*z2*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13^3*z2*z3)/(s12^2*s123*s34*z12*z34) - 
   (3*s12*z2*z3)/(2*s134*s34*z12*z34) - (17*s13*z2*z3)/(4*s134*s34*z12*z34) - 
   (2*s12*s13*z2*z3)/(s123*s134*s34*z12*z34) + 
   (s12*s13*z2*z3)/(s124*s134*s34*z12*z34) - 
   (3*s13^2*z2*z3)/(s12*s134*s34*z12*z34) - (4*s13^2*z2*z3)/
    (s123*s134*s34*z12*z34) + (s13^2*z2*z3)/(s124*s134*s34*z12*z34) - 
   (2*s13^3*z2*z3)/(s12*s123*s134*s34*z12*z34) - 
   (7*s14*z2*z3)/(s12*s34*z12*z34) - (s14*z2*z3)/(4*s123*s34*z12*z34) - 
   (3*s14*z2*z3)/(4*s124*s34*z12*z34) - (10*s13*s14*z2*z3)/
    (s12^2*s34*z12*z34) - (3*s13*s14*z2*z3)/(2*s12*s123*s34*z12*z34) - 
   (5*s13*s14*z2*z3)/(2*s12*s124*s34*z12*z34) - 
   (2*s13^2*s14*z2*z3)/(s12^2*s123*s34*z12*z34) - 
   (s13^2*s14*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (17*s14*z2*z3)/(4*s134*s34*z12*z34) - (2*s12*s14*z2*z3)/
    (s123*s134*s34*z12*z34) + (s12*s14*z2*z3)/(s124*s134*s34*z12*z34) - 
   (19*s13*s14*z2*z3)/(4*s12*s134*s34*z12*z34) - 
   (6*s13*s14*z2*z3)/(s123*s134*s34*z12*z34) + 
   (3*s13*s14*z2*z3)/(s124*s134*s34*z12*z34) - (4*s13^2*s14*z2*z3)/
    (s12*s123*s134*s34*z12*z34) + (s13^2*s14*z2*z3)/
    (s12*s124*s134*s34*z12*z34) - (4*s14^2*z2*z3)/(s12^2*s34*z12*z34) - 
   (s14^2*z2*z3)/(4*s12*s123*s34*z12*z34) - (7*s14^2*z2*z3)/
    (4*s12*s124*s34*z12*z34) - (s13*s14^2*z2*z3)/(s12^2*s123*s34*z12*z34) - 
   (2*s13*s14^2*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (7*s14^2*z2*z3)/(4*s12*s134*s34*z12*z34) - 
   (2*s14^2*z2*z3)/(s123*s134*s34*z12*z34) + 
   (2*s14^2*z2*z3)/(s124*s134*s34*z12*z34) - (2*s13*s14^2*z2*z3)/
    (s12*s123*s134*s34*z12*z34) + (2*s13*s14^2*z2*z3)/
    (s12*s124*s134*s34*z12*z34) - (s14^3*z2*z3)/(s12^2*s124*s34*z12*z34) + 
   (s14^3*z2*z3)/(s12*s124*s134*s34*z12*z34) - 
   (7*s23*z2*z3)/(s12*s34*z12*z34) - (3*s23*z2*z3)/(4*s123*s34*z12*z34) - 
   (5*s23*z2*z3)/(4*s124*s34*z12*z34) - (10*s13*s23*z2*z3)/
    (s12^2*s34*z12*z34) - (3*s13*s23*z2*z3)/(s12*s123*s34*z12*z34) - 
   (2*s13*s23*z2*z3)/(s12*s124*s34*z12*z34) - (3*s13^2*s23*z2*z3)/
    (s12^2*s123*s34*z12*z34) - (11*s23*z2*z3)/(4*s134*s34*z12*z34) - 
   (17*s13*s23*z2*z3)/(4*s12*s134*s34*z12*z34) - 
   (4*s13*s23*z2*z3)/(s123*s134*s34*z12*z34) + 
   (s13*s23*z2*z3)/(s124*s134*s34*z12*z34) - (4*s13^2*s23*z2*z3)/
    (s12*s123*s134*s34*z12*z34) - (7*s14*s23*z2*z3)/(s12^2*s34*z12*z34) - 
   (3*s14*s23*z2*z3)/(2*s12*s123*s34*z12*z34) - 
   (7*s14*s23*z2*z3)/(2*s12*s124*s34*z12*z34) - (7*s13*s14*s23*z2*z3)/
    (2*s12^2*s123*s34*z12*z34) - (5*s13*s14*s23*z2*z3)/
    (2*s12^2*s124*s34*z12*z34) - (7*s14*s23*z2*z3)/(2*s12*s134*s34*z12*z34) - 
   (4*s14*s23*z2*z3)/(s123*s134*s34*z12*z34) + 
   (s14*s23*z2*z3)/(s124*s134*s34*z12*z34) - (6*s13*s14*s23*z2*z3)/
    (s12*s123*s134*s34*z12*z34) + (s13*s14*s23*z2*z3)/
    (s12*s124*s134*s34*z12*z34) - (s14^2*s23*z2*z3)/
    (2*s12^2*s123*s34*z12*z34) - (5*s14^2*s23*z2*z3)/
    (2*s12^2*s124*s34*z12*z34) - (2*s14^2*s23*z2*z3)/
    (s12*s123*s134*s34*z12*z34) + (s14^2*s23*z2*z3)/
    (s12*s124*s134*s34*z12*z34) - (4*s23^2*z2*z3)/(s12^2*s34*z12*z34) - 
   (7*s23^2*z2*z3)/(4*s12*s123*s34*z12*z34) - 
   (5*s23^2*z2*z3)/(4*s12*s124*s34*z12*z34) - (3*s13*s23^2*z2*z3)/
    (s12^2*s123*s34*z12*z34) - (5*s23^2*z2*z3)/(4*s12*s134*s34*z12*z34) - 
   (2*s13*s23^2*z2*z3)/(s12*s123*s134*s34*z12*z34) - 
   (3*s14*s23^2*z2*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (3*s14*s23^2*z2*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (2*s14*s23^2*z2*z3)/(s12*s123*s134*s34*z12*z34) - 
   (s23^3*z2*z3)/(s12^2*s123*s34*z12*z34) - 
   (s12*z2*z3)/(2*s234*s34*z12*z34) - (7*s13*z2*z3)/(4*s234*s34*z12*z34) - 
   (3*s13^2*z2*z3)/(2*s12*s234*s34*z12*z34) - 
   (3*s14*z2*z3)/(4*s234*s34*z12*z34) - (7*s13*s14*z2*z3)/
    (4*s12*s234*s34*z12*z34) - (s14^2*z2*z3)/(4*s12*s234*s34*z12*z34) - 
   (9*s23*z2*z3)/(4*s234*s34*z12*z34) + (s12*s23*z2*z3)/
    (s123*s234*s34*z12*z34) - (2*s12*s23*z2*z3)/(s124*s234*s34*z12*z34) - 
   (13*s13*s23*z2*z3)/(4*s12*s234*s34*z12*z34) + 
   (2*s13*s23*z2*z3)/(s123*s234*s34*z12*z34) - 
   (2*s13*s23*z2*z3)/(s124*s234*s34*z12*z34) + 
   (s13^2*s23*z2*z3)/(s12*s123*s234*s34*z12*z34) - 
   (3*s14*s23*z2*z3)/(2*s12*s234*s34*z12*z34) + 
   (s14*s23*z2*z3)/(s123*s234*s34*z12*z34) - (4*s14*s23*z2*z3)/
    (s124*s234*s34*z12*z34) + (s13*s14*s23*z2*z3)/(s12*s123*s234*s34*z12*
     z34) - (2*s13*s14*s23*z2*z3)/(s12*s124*s234*s34*z12*z34) - 
   (2*s14^2*s23*z2*z3)/(s12*s124*s234*s34*z12*z34) - 
   (7*s23^2*z2*z3)/(4*s12*s234*s34*z12*z34) + 
   (2*s23^2*z2*z3)/(s123*s234*s34*z12*z34) - 
   (2*s23^2*z2*z3)/(s124*s234*s34*z12*z34) + (2*s13*s23^2*z2*z3)/
    (s12*s123*s234*s34*z12*z34) + (s14*s23^2*z2*z3)/
    (s12*s123*s234*s34*z12*z34) - (2*s14*s23^2*z2*z3)/
    (s12*s124*s234*s34*z12*z34) + (s23^3*z2*z3)/(s12*s123*s234*s34*z12*z34) - 
   (8*s24*z2*z3)/(s12*s34*z12*z34) - (5*s24*z2*z3)/(4*s123*s34*z12*z34) - 
   (7*s24*z2*z3)/(4*s124*s34*z12*z34) - (10*s13*s24*z2*z3)/
    (s12^2*s34*z12*z34) - (13*s13*s24*z2*z3)/(4*s12*s123*s34*z12*z34) - 
   (13*s13*s24*z2*z3)/(4*s12*s124*s34*z12*z34) - 
   (11*s13^2*s24*z2*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (3*s13^2*s24*z2*z3)/(4*s12^2*s124*s34*z12*z34) - 
   (9*s24*z2*z3)/(4*s134*s34*z12*z34) - (13*s13*s24*z2*z3)/
    (4*s12*s134*s34*z12*z34) - (2*s13*s24*z2*z3)/(s123*s134*s34*z12*z34) + 
   (2*s13*s24*z2*z3)/(s124*s134*s34*z12*z34) - (2*s13^2*s24*z2*z3)/
    (s12*s123*s134*s34*z12*z34) + (s13^2*s24*z2*z3)/
    (s12*s124*s134*s34*z12*z34) - (7*s14*s24*z2*z3)/(s12^2*s34*z12*z34) - 
   (7*s14*s24*z2*z3)/(4*s12*s123*s34*z12*z34) - 
   (19*s14*s24*z2*z3)/(4*s12*s124*s34*z12*z34) - 
   (3*s13*s14*s24*z2*z3)/(s12^2*s123*s34*z12*z34) - 
   (4*s13*s14*s24*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (5*s14*s24*z2*z3)/(2*s12*s134*s34*z12*z34) - 
   (2*s14*s24*z2*z3)/(s123*s134*s34*z12*z34) + 
   (2*s14*s24*z2*z3)/(s124*s134*s34*z12*z34) - (2*s13*s14*s24*z2*z3)/
    (s12*s123*s134*s34*z12*z34) + (3*s13*s14*s24*z2*z3)/
    (s12*s124*s134*s34*z12*z34) - (s14^2*s24*z2*z3)/
    (4*s12^2*s123*s34*z12*z34) - (13*s14^2*s24*z2*z3)/
    (4*s12^2*s124*s34*z12*z34) + (2*s14^2*s24*z2*z3)/
    (s12*s124*s134*s34*z12*z34) - (7*s23*s24*z2*z3)/(s12^2*s34*z12*z34) - 
   (13*s23*s24*z2*z3)/(4*s12*s123*s34*z12*z34) - 
   (17*s23*s24*z2*z3)/(4*s12*s124*s34*z12*z34) - 
   (5*s13*s23*s24*z2*z3)/(s12^2*s123*s34*z12*z34) - 
   (2*s13*s23*s24*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (2*s23*s24*z2*z3)/(s12*s134*s34*z12*z34) - (2*s13*s23*s24*z2*z3)/
    (s12*s123*s134*s34*z12*z34) + (s13*s23*s24*z2*z3)/
    (s12*s124*s134*s34*z12*z34) - (2*s14*s23*s24*z2*z3)/
    (s12^2*s123*s34*z12*z34) - (5*s14*s23*s24*z2*z3)/
    (s12^2*s124*s34*z12*z34) - (2*s14*s23*s24*z2*z3)/
    (s12*s123*s134*s34*z12*z34) + (s14*s23*s24*z2*z3)/
    (s12*s124*s134*s34*z12*z34) - (9*s23^2*s24*z2*z3)/
    (4*s12^2*s123*s34*z12*z34) - (5*s23^2*s24*z2*z3)/
    (4*s12^2*s124*s34*z12*z34) - (11*s24*z2*z3)/(4*s234*s34*z12*z34) + 
   (s12*s24*z2*z3)/(s123*s234*s34*z12*z34) - (2*s12*s24*z2*z3)/
    (s124*s234*s34*z12*z34) - (13*s13*s24*z2*z3)/(4*s12*s234*s34*z12*z34) + 
   (2*s13*s24*z2*z3)/(s123*s234*s34*z12*z34) - 
   (2*s13*s24*z2*z3)/(s124*s234*s34*z12*z34) + 
   (s13^2*s24*z2*z3)/(s12*s123*s234*s34*z12*z34) - 
   (3*s14*s24*z2*z3)/(2*s12*s234*s34*z12*z34) + 
   (s14*s24*z2*z3)/(s123*s234*s34*z12*z34) - (4*s14*s24*z2*z3)/
    (s124*s234*s34*z12*z34) + (s13*s14*s24*z2*z3)/(s12*s123*s234*s34*z12*
     z34) - (2*s13*s14*s24*z2*z3)/(s12*s124*s234*s34*z12*z34) - 
   (2*s14^2*s24*z2*z3)/(s12*s124*s234*s34*z12*z34) - 
   (3*s23*s24*z2*z3)/(s12*s234*s34*z12*z34) + 
   (3*s23*s24*z2*z3)/(s123*s234*s34*z12*z34) - 
   (6*s23*s24*z2*z3)/(s124*s234*s34*z12*z34) + (3*s13*s23*s24*z2*z3)/
    (s12*s123*s234*s34*z12*z34) - (2*s13*s23*s24*z2*z3)/
    (s12*s124*s234*s34*z12*z34) + (s14*s23*s24*z2*z3)/
    (s12*s123*s234*s34*z12*z34) - (6*s14*s23*s24*z2*z3)/
    (s12*s124*s234*s34*z12*z34) + (2*s23^2*s24*z2*z3)/
    (s12*s123*s234*s34*z12*z34) - (2*s23^2*s24*z2*z3)/
    (s12*s124*s234*s34*z12*z34) - (3*s24^2*z2*z3)/(s12^2*s34*z12*z34) - 
   (3*s24^2*z2*z3)/(2*s12*s123*s34*z12*z34) - 
   (3*s24^2*z2*z3)/(s12*s124*s34*z12*z34) - (2*s13*s24^2*z2*z3)/
    (s12^2*s123*s34*z12*z34) - (2*s13*s24^2*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (3*s24^2*z2*z3)/(4*s12*s134*s34*z12*z34) + 
   (s13*s24^2*z2*z3)/(s12*s124*s134*s34*z12*z34) - 
   (s14*s24^2*z2*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (7*s14*s24^2*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s24^2*z2*z3)/(s12*s124*s134*s34*z12*z34) - 
   (3*s23*s24^2*z2*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (5*s23*s24^2*z2*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (5*s24^2*z2*z3)/(4*s12*s234*s34*z12*z34) + 
   (s24^2*z2*z3)/(s123*s234*s34*z12*z34) - (4*s24^2*z2*z3)/
    (s124*s234*s34*z12*z34) + (s13*s24^2*z2*z3)/(s12*s123*s234*s34*z12*z34) - 
   (2*s13*s24^2*z2*z3)/(s12*s124*s234*s34*z12*z34) - 
   (4*s14*s24^2*z2*z3)/(s12*s124*s234*s34*z12*z34) + 
   (s23*s24^2*z2*z3)/(s12*s123*s234*s34*z12*z34) - 
   (4*s23*s24^2*z2*z3)/(s12*s124*s234*s34*z12*z34) - 
   (s24^3*z2*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (5*s24^3*z2*z3)/(4*s12^2*s124*s34*z12*z34) - 
   (2*s24^3*z2*z3)/(s12*s124*s234*s34*z12*z34) - 
   (s34*z2*z3)/(2*s12*s123*z12*z34) - (3*s34*z2*z3)/(2*s12*s124*z12*z34) - 
   (2*s13*s34*z2*z3)/(s12^2*s123*z12*z34) - 
   (2*s34*z2*z3)/(s123*s134*z12*z34) + (s34*z2*z3)/(s124*s134*z12*z34) - 
   (2*s13*s34*z2*z3)/(s12*s123*s134*z12*z34) - 
   (2*s14*s34*z2*z3)/(s12^2*s124*z12*z34) + (s14*s34*z2*z3)/
    (s12*s124*s134*z12*z34) - (s23*s34*z2*z3)/(s12^2*s123*z12*z34) - 
   (2*s23*s34*z2*z3)/(s12*s123*s134*z12*z34) + 
   (s34*z2*z3)/(s123*s234*z12*z34) - (2*s34*z2*z3)/(s124*s234*z12*z34) + 
   (s13*s34*z2*z3)/(s12*s123*s234*z12*z34) - (2*s14*s34*z2*z3)/
    (s12*s124*s234*z12*z34) + (s23*s34*z2*z3)/(s12*s123*s234*z12*z34) - 
   (s24*s34*z2*z3)/(s12^2*s124*z12*z34) + (s24*s34*z2*z3)/
    (s12*s124*s134*z12*z34) - (2*s24*s34*z2*z3)/(s12*s124*s234*z12*z34) + 
   (2*z3^2)/(s12*z12*z34) + z3^2/(2*s123*z12*z34) - z3^2/(2*s124*z12*z34) + 
   (s13*z3^2)/(s12*s123*z12*z34) + z3^2/(2*s134*z12*z34) + 
   (3*s14*z3^2)/(2*s12*s123*z12*z34) - (s14*z3^2)/(2*s12*s124*z12*z34) + 
   (s23*z3^2)/(s12*s123*z12*z34) + z3^2/(2*s234*z12*z34) + 
   (3*s24*z3^2)/(2*s12*s123*z12*z34) - (s24*z3^2)/(2*s12*s124*z12*z34) - 
   (s12*z3^2)/(s34^2*z12*z34) - (s13*z3^2)/(s34^2*z12*z34) + 
   (s12*s13*z3^2)/(4*s134*s34^2*z12*z34) + 
   (s13^2*z3^2)/(4*s134*s34^2*z12*z34) + (s13*s14*z3^2)/(s12*s34^2*z12*z34) + 
   (s12*s14*z3^2)/(4*s134*s34^2*z12*z34) + 
   (s13*s14*z3^2)/(2*s134*s34^2*z12*z34) + (s14^2*z3^2)/(s12*s34^2*z12*z34) + 
   (s14^2*z3^2)/(4*s134*s34^2*z12*z34) - (s23*z3^2)/(s34^2*z12*z34) + 
   (s12*s23*z3^2)/(4*s134*s34^2*z12*z34) + 
   (s13*s23*z3^2)/(2*s134*s34^2*z12*z34) + 
   (s14*s23*z3^2)/(s12*s34^2*z12*z34) + (s14*s23*z3^2)/
    (2*s134*s34^2*z12*z34) + (s23^2*z3^2)/(4*s134*s34^2*z12*z34) + 
   (s12*s13*z3^2)/(4*s234*s34^2*z12*z34) + 
   (s13^2*z3^2)/(4*s234*s34^2*z12*z34) + (s12*s14*z3^2)/
    (4*s234*s34^2*z12*z34) + (s13*s14*z3^2)/(2*s234*s34^2*z12*z34) + 
   (s14^2*z3^2)/(4*s234*s34^2*z12*z34) + (s12*s23*z3^2)/
    (4*s234*s34^2*z12*z34) + (s13*s23*z3^2)/(2*s234*s34^2*z12*z34) + 
   (s14*s23*z3^2)/(2*s234*s34^2*z12*z34) + 
   (s23^2*z3^2)/(4*s234*s34^2*z12*z34) + (s13*s24*z3^2)/(s12*s34^2*z12*z34) + 
   (3*s12*s24*z3^2)/(4*s134*s34^2*z12*z34) + (5*s13*s24*z3^2)/
    (4*s134*s34^2*z12*z34) + (s13^2*s24*z3^2)/(4*s12*s134*s34^2*z12*z34) + 
   (2*s14*s24*z3^2)/(s12*s34^2*z12*z34) + (5*s14*s24*z3^2)/
    (4*s134*s34^2*z12*z34) + (s13*s14*s24*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*s24*z3^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s23*s24*z3^2)/(s12*s34^2*z12*z34) + (5*s23*s24*z3^2)/
    (4*s134*s34^2*z12*z34) + (s13*s23*s24*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23*s24*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s23^2*s24*z3^2)/(4*s12*s134*s34^2*z12*z34) - 
   (s12*s24*z3^2)/(4*s234*s34^2*z12*z34) - 
   (s13*s24*z3^2)/(4*s234*s34^2*z12*z34) - (s13^2*s24*z3^2)/
    (4*s12*s234*s34^2*z12*z34) - (s14*s24*z3^2)/(4*s234*s34^2*z12*z34) - 
   (s13*s14*s24*z3^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s14^2*s24*z3^2)/(4*s12*s234*s34^2*z12*z34) - 
   (s23*s24*z3^2)/(4*s234*s34^2*z12*z34) - (s13*s23*s24*z3^2)/
    (2*s12*s234*s34^2*z12*z34) - (s14*s23*s24*z3^2)/
    (2*s12*s234*s34^2*z12*z34) - (s23^2*s24*z3^2)/
    (4*s12*s234*s34^2*z12*z34) + (s24^2*z3^2)/(s12*s34^2*z12*z34) + 
   (s24^2*z3^2)/(s134*s34^2*z12*z34) + (s13*s24^2*z3^2)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s24^2*z3^2)/
    (2*s12*s134*s34^2*z12*z34) + (s23*s24^2*z3^2)/
    (2*s12*s134*s34^2*z12*z34) - (s24^2*z3^2)/(2*s234*s34^2*z12*z34) - 
   (s13*s24^2*z3^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s14*s24^2*z3^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s23*s24^2*z3^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s24^3*z3^2)/(4*s12*s134*s34^2*z12*z34) - 
   (s24^3*z3^2)/(4*s12*s234*s34^2*z12*z34) + z3^2/(s34*z12*z34) - 
   (s12*z3^2)/(2*s123*s34*z12*z34) - (s12*z3^2)/(2*s124*s34*z12*z34) + 
   (2*s13*z3^2)/(s12*s34*z12*z34) - (s13*z3^2)/(2*s123*s34*z12*z34) - 
   (s13*z3^2)/(2*s124*s34*z12*z34) + (s12*z3^2)/(2*s134*s34*z12*z34) + 
   (3*s13*z3^2)/(4*s134*s34*z12*z34) + (3*s14*z3^2)/(s12*s34*z12*z34) - 
   (s14*z3^2)/(s124*s34*z12*z34) + (s13*s14*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s13*s14*z3^2)/(2*s12*s124*s34*z12*z34) + 
   (3*s14*z3^2)/(4*s134*s34*z12*z34) + (s14^2*z3^2)/
    (2*s12*s123*s34*z12*z34) - (s14^2*z3^2)/(2*s12*s124*s34*z12*z34) + 
   (2*s23*z3^2)/(s12*s34*z12*z34) - (s23*z3^2)/(2*s123*s34*z12*z34) - 
   (s23*z3^2)/(2*s124*s34*z12*z34) + (3*s23*z3^2)/(4*s134*s34*z12*z34) + 
   (s14*s23*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s14*s23*z3^2)/(2*s12*s124*s34*z12*z34) + 
   (s12*z3^2)/(2*s234*s34*z12*z34) + (3*s13*z3^2)/(4*s234*s34*z12*z34) + 
   (3*s14*z3^2)/(4*s234*s34*z12*z34) + (3*s23*z3^2)/(4*s234*s34*z12*z34) + 
   (3*s24*z3^2)/(s12*s34*z12*z34) - (s24*z3^2)/(s124*s34*z12*z34) + 
   (s13*s24*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s13*s24*z3^2)/(2*s12*s124*s34*z12*z34) + 
   (5*s24*z3^2)/(4*s134*s34*z12*z34) + (s13*s24*z3^2)/
    (4*s12*s134*s34*z12*z34) + (s14*s24*z3^2)/(s12*s123*s34*z12*z34) - 
   (s14*s24*z3^2)/(s12*s124*s34*z12*z34) + 
   (s14*s24*z3^2)/(4*s12*s134*s34*z12*z34) + 
   (s23*s24*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s23*s24*z3^2)/(2*s12*s124*s34*z12*z34) + 
   (s23*s24*z3^2)/(4*s12*s134*s34*z12*z34) + 
   (s24*z3^2)/(4*s234*s34*z12*z34) - (s13*s24*z3^2)/
    (4*s12*s234*s34*z12*z34) - (s14*s24*z3^2)/(4*s12*s234*s34*z12*z34) - 
   (s23*s24*z3^2)/(4*s12*s234*s34*z12*z34) + 
   (s24^2*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s24^2*z3^2)/(2*s12*s124*s34*z12*z34) + 
   (s24^2*z3^2)/(4*s12*s134*s34*z12*z34) - 
   (s24^2*z3^2)/(4*s12*s234*s34*z12*z34) + (s34*z3^2)/(s12*s123*z12*z34) + 
   z4/(s12*z12) + z4/(2*s124*z12) - (s13*z4)/(2*s12*s123*z12) + 
   (s14*z4)/(2*s12*s124*z12) - (s23*z4)/(2*s12*s123*z12) - 
   (s23*z4)/(s123*s134*z12) + (s23*z4)/(2*s124*s134*z12) - 
   (s13*s23*z4)/(s12*s123*s134*z12) + (s14*s23*z4)/(2*s12*s124*s134*z12) - 
   (s23^2*z4)/(s12*s123*s134*z12) + z4/(2*s234*z12) - 
   (s23*z4)/(2*s123*s234*z12) + (s23*z4)/(s124*s234*z12) - 
   (s13*s23*z4)/(2*s12*s123*s234*z12) + (s14*s23*z4)/(s12*s124*s234*z12) - 
   (s23^2*z4)/(2*s12*s123*s234*z12) + (s24*z4)/(2*s12*s124*z12) + 
   (s23*s24*z4)/(2*s12*s124*s134*z12) + (s23*s24*z4)/(s12*s124*s234*z12) - 
   (s13*z4)/(s34^2*z12) - (s13^2*z4)/(s12*s34^2*z12) - 
   (s13*s14*z4)/(s12*s34^2*z12) - (s23*z4)/(s34^2*z12) - 
   (2*s13*s23*z4)/(s12*s34^2*z12) - (s12*s23*z4)/(2*s134*s34^2*z12) - 
   (5*s13*s23*z4)/(4*s134*s34^2*z12) - (3*s13^2*s23*z4)/
    (4*s12*s134*s34^2*z12) - (s14*s23*z4)/(s12*s34^2*z12) - 
   (3*s14*s23*z4)/(4*s134*s34^2*z12) - (s13*s14*s23*z4)/
    (s12*s134*s34^2*z12) - (s14^2*s23*z4)/(4*s12*s134*s34^2*z12) - 
   (s23^2*z4)/(s12*s34^2*z12) - (5*s23^2*z4)/(4*s134*s34^2*z12) - 
   (3*s13*s23^2*z4)/(2*s12*s134*s34^2*z12) - 
   (s14*s23^2*z4)/(s12*s134*s34^2*z12) - 
   (3*s23^3*z4)/(4*s12*s134*s34^2*z12) + (s12*s23*z4)/(2*s234*s34^2*z12) + 
   (5*s13*s23*z4)/(4*s234*s34^2*z12) + (3*s13^2*s23*z4)/
    (4*s12*s234*s34^2*z12) + (3*s14*s23*z4)/(4*s234*s34^2*z12) + 
   (s13*s14*s23*z4)/(s12*s234*s34^2*z12) + 
   (s14^2*s23*z4)/(4*s12*s234*s34^2*z12) + (5*s23^2*z4)/(4*s234*s34^2*z12) + 
   (3*s13*s23^2*z4)/(2*s12*s234*s34^2*z12) + 
   (s14*s23^2*z4)/(s12*s234*s34^2*z12) + 
   (3*s23^3*z4)/(4*s12*s234*s34^2*z12) - (s13*s24*z4)/(s12*s34^2*z12) - 
   (s23*s24*z4)/(s12*s34^2*z12) - (3*s23*s24*z4)/(4*s134*s34^2*z12) - 
   (s13*s23*s24*z4)/(s12*s134*s34^2*z12) - (s14*s23*s24*z4)/
    (2*s12*s134*s34^2*z12) - (s23^2*s24*z4)/(s12*s134*s34^2*z12) + 
   (3*s23*s24*z4)/(4*s234*s34^2*z12) + (s13*s23*s24*z4)/
    (s12*s234*s34^2*z12) + (s14*s23*s24*z4)/(2*s12*s234*s34^2*z12) + 
   (s23^2*s24*z4)/(s12*s234*s34^2*z12) - (s23*s24^2*z4)/
    (4*s12*s134*s34^2*z12) + (s23*s24^2*z4)/(4*s12*s234*s34^2*z12) + 
   z4/(s34*z12) - (s13*z4)/(2*s123*s34*z12) - (s13*z4)/(2*s124*s34*z12) - 
   (s13^2*z4)/(2*s12*s123*s34*z12) - (s13^2*z4)/(2*s12*s124*s34*z12) + 
   (s14*z4)/(s12*s34*z12) - (s13*s14*z4)/(2*s12*s123*s34*z12) - 
   (s13*s14*z4)/(2*s12*s124*s34*z12) - (s23*z4)/(2*s123*s34*z12) - 
   (s23*z4)/(2*s124*s34*z12) - (s13*s23*z4)/(s12*s123*s34*z12) - 
   (s13*s23*z4)/(s12*s124*s34*z12) - (s23*z4)/(2*s134*s34*z12) - 
   (s12*s23*z4)/(s123*s134*s34*z12) + (s12*s23*z4)/(2*s124*s134*s34*z12) - 
   (3*s13*s23*z4)/(4*s12*s134*s34*z12) - (2*s13*s23*z4)/(s123*s134*s34*z12) + 
   (s13*s23*z4)/(2*s124*s134*s34*z12) - (s13^2*s23*z4)/
    (s12*s123*s134*s34*z12) - (s14*s23*z4)/(2*s12*s123*s34*z12) - 
   (s14*s23*z4)/(2*s12*s124*s34*z12) - (s14*s23*z4)/(4*s12*s134*s34*z12) - 
   (s14*s23*z4)/(s123*s134*s34*z12) + (s14*s23*z4)/(s124*s134*s34*z12) - 
   (s13*s14*s23*z4)/(s12*s123*s134*s34*z12) + 
   (s13*s14*s23*z4)/(2*s12*s124*s134*s34*z12) + 
   (s14^2*s23*z4)/(2*s12*s124*s134*s34*z12) - 
   (s23^2*z4)/(2*s12*s123*s34*z12) - (s23^2*z4)/(2*s12*s124*s34*z12) - 
   (3*s23^2*z4)/(4*s12*s134*s34*z12) - (2*s23^2*z4)/(s123*s134*s34*z12) + 
   (s23^2*z4)/(2*s124*s134*s34*z12) - (2*s13*s23^2*z4)/
    (s12*s123*s134*s34*z12) - (s14*s23^2*z4)/(s12*s123*s134*s34*z12) + 
   (s14*s23^2*z4)/(2*s12*s124*s134*s34*z12) - 
   (s23^3*z4)/(s12*s123*s134*s34*z12) + (s12*z4)/(2*s234*s34*z12) + 
   (s13*z4)/(2*s234*s34*z12) + (s14*z4)/(2*s234*s34*z12) + 
   (s23*z4)/(s234*s34*z12) - (s12*s23*z4)/(2*s123*s234*s34*z12) + 
   (s12*s23*z4)/(s124*s234*s34*z12) + (3*s13*s23*z4)/(4*s12*s234*s34*z12) - 
   (s13*s23*z4)/(s123*s234*s34*z12) + (s13*s23*z4)/(s124*s234*s34*z12) - 
   (s13^2*s23*z4)/(2*s12*s123*s234*s34*z12) + 
   (s14*s23*z4)/(4*s12*s234*s34*z12) - (s14*s23*z4)/(2*s123*s234*s34*z12) + 
   (2*s14*s23*z4)/(s124*s234*s34*z12) - (s13*s14*s23*z4)/
    (2*s12*s123*s234*s34*z12) + (s13*s14*s23*z4)/(s12*s124*s234*s34*z12) + 
   (s14^2*s23*z4)/(s12*s124*s234*s34*z12) + 
   (3*s23^2*z4)/(4*s12*s234*s34*z12) - (s23^2*z4)/(s123*s234*s34*z12) + 
   (s23^2*z4)/(s124*s234*s34*z12) - (s13*s23^2*z4)/(s12*s123*s234*s34*z12) - 
   (s14*s23^2*z4)/(2*s12*s123*s234*s34*z12) + 
   (s14*s23^2*z4)/(s12*s124*s234*s34*z12) - 
   (s23^3*z4)/(2*s12*s123*s234*s34*z12) + (s24*z4)/(s12*s34*z12) - 
   (s13*s24*z4)/(2*s12*s123*s34*z12) - (s13*s24*z4)/(2*s12*s124*s34*z12) - 
   (s23*s24*z4)/(2*s12*s123*s34*z12) - (s23*s24*z4)/(2*s12*s124*s34*z12) - 
   (s23*s24*z4)/(4*s12*s134*s34*z12) - (s23*s24*z4)/(s123*s134*s34*z12) + 
   (s23*s24*z4)/(s124*s134*s34*z12) - (s13*s23*s24*z4)/
    (s12*s123*s134*s34*z12) + (s13*s23*s24*z4)/(2*s12*s124*s134*s34*z12) + 
   (s14*s23*s24*z4)/(s12*s124*s134*s34*z12) - 
   (s23^2*s24*z4)/(s12*s123*s134*s34*z12) + 
   (s23^2*s24*z4)/(2*s12*s124*s134*s34*z12) + (s24*z4)/(2*s234*s34*z12) + 
   (s23*s24*z4)/(4*s12*s234*s34*z12) - (s23*s24*z4)/(2*s123*s234*s34*z12) + 
   (2*s23*s24*z4)/(s124*s234*s34*z12) - (s13*s23*s24*z4)/
    (2*s12*s123*s234*s34*z12) + (s13*s23*s24*z4)/(s12*s124*s234*s34*z12) + 
   (2*s14*s23*s24*z4)/(s12*s124*s234*s34*z12) - 
   (s23^2*s24*z4)/(2*s12*s123*s234*s34*z12) + 
   (s23^2*s24*z4)/(s12*s124*s234*s34*z12) + 
   (s23*s24^2*z4)/(2*s12*s124*s134*s34*z12) + 
   (s23*s24^2*z4)/(s12*s124*s234*s34*z12) + (s34*z4)/(2*s12*s124*z12) + 
   (z3*z4)/(s134*z34^2) - (2*s23*z3*z4)/(s12^2*z34^2) - 
   (s23*z3*z4)/(s12*s134*z34^2) + (z3*z4)/(s234*z34^2) - 
   (s23*z3*z4)/(s12*s234*z34^2) - (2*s24*z3*z4)/(s12^2*z34^2) - 
   (s24*z3*z4)/(s12*s134*z34^2) - (s24*z3*z4)/(s12*s234*z34^2) + 
   (2*s13*z3*z4)/(s34^2*z34^2) + (2*s13^2*z3*z4)/(s12*s34^2*z34^2) + 
   (s12*s13*z3*z4)/(s134*s34^2*z34^2) + (s13^2*z3*z4)/(s134*s34^2*z34^2) + 
   (2*s14*z3*z4)/(s34^2*z34^2) + (4*s13*s14*z3*z4)/(s12*s34^2*z34^2) + 
   (s12*s14*z3*z4)/(s134*s34^2*z34^2) + (2*s13*s14*z3*z4)/
    (s134*s34^2*z34^2) + (2*s14^2*z3*z4)/(s12*s34^2*z34^2) + 
   (s14^2*z3*z4)/(s134*s34^2*z34^2) + (2*s23*z3*z4)/(s34^2*z34^2) + 
   (4*s13*s23*z3*z4)/(s12*s34^2*z34^2) - (s13^2*s23*z3*z4)/
    (s12*s134*s34^2*z34^2) + (4*s14*s23*z3*z4)/(s12*s34^2*z34^2) - 
   (2*s13*s14*s23*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (s14^2*s23*z3*z4)/(s12*s134*s34^2*z34^2) - (2*s13*s23^2*z3*z4)/
    (s12^2*s34^2*z34^2) - (s13*s23^2*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (2*s14*s23^2*z3*z4)/(s12^2*s34^2*z34^2) - (s14*s23^2*z3*z4)/
    (s12*s134*s34^2*z34^2) - (2*s23^3*z3*z4)/(s12^2*s34^2*z34^2) + 
   (s12*s23*z3*z4)/(s234*s34^2*z34^2) + (s13*s23*z3*z4)/(s234*s34^2*z34^2) + 
   (s14*s23*z3*z4)/(s234*s34^2*z34^2) - (s13*s23^2*z3*z4)/
    (s12*s234*s34^2*z34^2) - (s14*s23^2*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (s23^3*z3*z4)/(s12*s234*s34^2*z34^2) + (2*s24*z3*z4)/(s34^2*z34^2) + 
   (4*s13*s24*z3*z4)/(s12*s34^2*z34^2) - (s13^2*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) + (4*s14*s24*z3*z4)/(s12*s34^2*z34^2) - 
   (2*s13*s14*s24*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (s14^2*s24*z3*z4)/(s12*s134*s34^2*z34^2) - (4*s13*s23*s24*z3*z4)/
    (s12^2*s34^2*z34^2) - (2*s13*s23*s24*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (4*s14*s23*s24*z3*z4)/(s12^2*s34^2*z34^2) - (2*s14*s23*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) - (6*s23^2*s24*z3*z4)/(s12^2*s34^2*z34^2) + 
   (s12*s24*z3*z4)/(s234*s34^2*z34^2) + (s13*s24*z3*z4)/(s234*s34^2*z34^2) + 
   (s14*s24*z3*z4)/(s234*s34^2*z34^2) - (2*s13*s23*s24*z3*z4)/
    (s12*s234*s34^2*z34^2) - (2*s14*s23*s24*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (3*s23^2*s24*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (2*s13*s24^2*z3*z4)/(s12^2*s34^2*z34^2) - (s13*s24^2*z3*z4)/
    (s12*s134*s34^2*z34^2) - (2*s14*s24^2*z3*z4)/(s12^2*s34^2*z34^2) - 
   (s14*s24^2*z3*z4)/(s12*s134*s34^2*z34^2) - (6*s23*s24^2*z3*z4)/
    (s12^2*s34^2*z34^2) - (s13*s24^2*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (s14*s24^2*z3*z4)/(s12*s234*s34^2*z34^2) - (3*s23*s24^2*z3*z4)/
    (s12*s234*s34^2*z34^2) - (2*s24^3*z3*z4)/(s12^2*s34^2*z34^2) - 
   (s24^3*z3*z4)/(s12*s234*s34^2*z34^2) + (2*s13*z3*z4)/(s12*s34*z34^2) + 
   (s12*z3*z4)/(s134*s34*z34^2) + (2*s13*z3*z4)/(s134*s34*z34^2) + 
   (2*s14*z3*z4)/(s12*s34*z34^2) + (2*s14*z3*z4)/(s134*s34*z34^2) - 
   (2*s13*s23*z3*z4)/(s12^2*s34*z34^2) - (2*s13*s23*z3*z4)/
    (s12*s134*s34*z34^2) - (2*s14*s23*z3*z4)/(s12^2*s34*z34^2) - 
   (2*s14*s23*z3*z4)/(s12*s134*s34*z34^2) - (4*s23^2*z3*z4)/
    (s12^2*s34*z34^2) - (s23^2*z3*z4)/(s12*s134*s34*z34^2) + 
   (s12*z3*z4)/(s234*s34*z34^2) + (s13*z3*z4)/(s234*s34*z34^2) + 
   (s14*z3*z4)/(s234*s34*z34^2) + (s23*z3*z4)/(s234*s34*z34^2) - 
   (s13*s23*z3*z4)/(s12*s234*s34*z34^2) - (s14*s23*z3*z4)/
    (s12*s234*s34*z34^2) - (2*s23^2*z3*z4)/(s12*s234*s34*z34^2) - 
   (2*s13*s24*z3*z4)/(s12^2*s34*z34^2) - (2*s13*s24*z3*z4)/
    (s12*s134*s34*z34^2) - (2*s14*s24*z3*z4)/(s12^2*s34*z34^2) - 
   (2*s14*s24*z3*z4)/(s12*s134*s34*z34^2) - (8*s23*s24*z3*z4)/
    (s12^2*s34*z34^2) - (2*s23*s24*z3*z4)/(s12*s134*s34*z34^2) + 
   (s24*z3*z4)/(s234*s34*z34^2) - (s13*s24*z3*z4)/(s12*s234*s34*z34^2) - 
   (s14*s24*z3*z4)/(s12*s234*s34*z34^2) - (4*s23*s24*z3*z4)/
    (s12*s234*s34*z34^2) - (4*s24^2*z3*z4)/(s12^2*s34*z34^2) - 
   (s24^2*z3*z4)/(s12*s134*s34*z34^2) - (2*s24^2*z3*z4)/
    (s12*s234*s34*z34^2) + (2*s23*z1*z3*z4)/(s12^2*z12*z34^2) + 
   (2*s24*z1*z3*z4)/(s12^2*z12*z34^2) - (2*s23*z1*z3*z4)/(s34^2*z12*z34^2) - 
   (2*s13*s23*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s14*s23*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s23^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s24*z1*z3*z4)/(s34^2*z12*z34^2) - (2*s13*s24*z1*z3*z4)/
    (s12*s34^2*z12*z34^2) - (2*s14*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (4*s23*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s24^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (2*s13*s23*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) + (2*s14*s23*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s23^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + (2*s13*s24*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) + (2*s14*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (4*s23*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s24^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (8*z1*z2*z3*z4)/(s12*z12^2*z34^2) - (4*s13*z1*z2*z3*z4)/
    (s12^2*z12^2*z34^2) - (4*s14*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) - 
   (4*s23*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) - (4*s24*z1*z2*z3*z4)/
    (s12^2*z12^2*z34^2) - (4*s13*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - 
   (6*s13^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (2*s13^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (4*s14*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - (12*s13*s14*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13^2*s14*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s14^2*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13*s14^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (2*s14^3*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (4*s23*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - 
   (12*s13*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (6*s13^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (12*s14*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (12*s13*s14*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (6*s14^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (6*s23^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (6*s13*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (6*s14*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (2*s23^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (4*s24*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - (12*s13*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (12*s14*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (12*s13*s14*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s14^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (12*s23*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (12*s13*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (12*s14*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s23^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s24^2*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s14*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s23*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (2*s24^3*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (8*z1*z2*z3*z4)/(s34*z12^2*z34^2) - 
   (16*s13*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - (6*s13^2*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (16*s14*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - 
   (12*s13*s14*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (6*s14^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (16*s23*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - (12*s13*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (12*s14*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (6*s23^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (16*s24*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - (12*s13*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (12*s14*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (12*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (6*s24^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (4*z2*z3*z4)/(s12*z12*z34^2) + (4*s13*z2*z3*z4)/(s12^2*z12*z34^2) + 
   (2*z2*z3*z4)/(s134*z12*z34^2) + (s13*z2*z3*z4)/(s12*s134*z12*z34^2) + 
   (4*s14*z2*z3*z4)/(s12^2*z12*z34^2) + (s14*z2*z3*z4)/(s12*s134*z12*z34^2) + 
   (2*s23*z2*z3*z4)/(s12^2*z12*z34^2) + (s23*z2*z3*z4)/(s12*s134*z12*z34^2) + 
   (2*z2*z3*z4)/(s234*z12*z34^2) + (s13*z2*z3*z4)/(s12*s234*z12*z34^2) + 
   (s14*z2*z3*z4)/(s12*s234*z12*z34^2) + (s23*z2*z3*z4)/
    (s12*s234*z12*z34^2) + (2*s24*z2*z3*z4)/(s12^2*z12*z34^2) + 
   (s24*z2*z3*z4)/(s12*s134*z12*z34^2) + (s24*z2*z3*z4)/
    (s12*s234*z12*z34^2) + (2*s13*z2*z3*z4)/(s34^2*z12*z34^2) + 
   (4*s13^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (2*s13^3*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s12*s13*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (3*s13^2*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (s13^3*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (2*s14*z2*z3*z4)/(s34^2*z12*z34^2) + (8*s13*s14*z2*z3*z4)/
    (s12*s34^2*z12*z34^2) + (6*s13^2*s14*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s12*s14*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (6*s13*s14*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (3*s13^2*s14*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (4*s14^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (6*s13*s14^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s14^2*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (3*s13*s14^2*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (2*s14^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (s14^3*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (4*s23*z2*z3*z4)/(s34^2*z12*z34^2) + (10*s13*s23*z2*z3*z4)/
    (s12*s34^2*z12*z34^2) + (6*s13^2*s23*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (3*s13*s23*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (2*s13^2*s23*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (10*s14*s23*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (12*s13*s14*s23*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s14*s23*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (4*s13*s14*s23*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (6*s14^2*s23*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s14^2*s23*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (6*s23^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (6*s13*s23^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s13*s23^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s14*s23^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s14*s23^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (2*s23^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s12*s23*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (3*s13*s23*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (s13^2*s23*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s14*s23*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (2*s13*s14*s23*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (s14^2*s23*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s23^2*z2*z3*z4)/(s234*s34^2*z12*z34^2) + (2*s13*s23^2*z2*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) + (2*s14*s23^2*z2*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) + (s23^3*z2*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) + (4*s24*z2*z3*z4)/(s34^2*z12*z34^2) + 
   (10*s13*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) + 
   (6*s13^2*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (3*s13*s24*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (2*s13^2*s24*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (10*s14*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (12*s13*s14*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s14*s24*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (4*s13*s14*s24*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (6*s14^2*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s14^2*s24*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (12*s23*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (12*s13*s23*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s13*s23*s24*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (12*s14*s23*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s14*s23*s24*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s23^2*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s12*s24*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (3*s13*s24*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (s13^2*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s14*s24*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (2*s13*s14*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (s14^2*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (6*s23*s24*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (4*s13*s23*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (4*s14*s23*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s23^2*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (6*s24^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (6*s13*s24^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s13*s24^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s14*s24^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s14*s24^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s23*s24^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s24^2*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (2*s13*s24^2*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (2*s14*s24^2*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s23*s24^2*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (2*s24^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (s24^3*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (4*z2*z3*z4)/(s34*z12*z34^2) + (10*s13*z2*z3*z4)/(s12*s34*z12*z34^2) + 
   (6*s13^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s12*z2*z3*z4)/(s134*s34*z12*z34^2) + (5*s13*z2*z3*z4)/
    (s134*s34*z12*z34^2) + (2*s13^2*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (10*s14*z2*z3*z4)/(s12*s34*z12*z34^2) + (12*s13*s14*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) + (5*s14*z2*z3*z4)/(s134*s34*z12*z34^2) + 
   (4*s13*s14*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (6*s14^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) + (2*s14^2*z2*z3*z4)/
    (s12*s134*s34*z12*z34^2) + (10*s23*z2*z3*z4)/(s12*s34*z12*z34^2) + 
   (10*s13*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (3*s23*z2*z3*z4)/(s134*s34*z12*z34^2) + (3*s13*s23*z2*z3*z4)/
    (s12*s134*s34*z12*z34^2) + (10*s14*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (3*s14*s23*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (4*s23^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (s23^2*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (2*s12*z2*z3*z4)/(s234*s34*z12*z34^2) + (3*s13*z2*z3*z4)/
    (s234*s34*z12*z34^2) + (s13^2*z2*z3*z4)/(s12*s234*s34*z12*z34^2) + 
   (3*s14*z2*z3*z4)/(s234*s34*z12*z34^2) + (2*s13*s14*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (s14^2*z2*z3*z4)/(s12*s234*s34*z12*z34^2) + 
   (5*s23*z2*z3*z4)/(s234*s34*z12*z34^2) + (3*s13*s23*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (3*s14*s23*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (2*s23^2*z2*z3*z4)/(s12*s234*s34*z12*z34^2) + 
   (10*s24*z2*z3*z4)/(s12*s34*z12*z34^2) + (10*s13*s24*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) + (3*s24*z2*z3*z4)/(s134*s34*z12*z34^2) + 
   (3*s13*s24*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (10*s14*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (3*s14*s24*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (8*s23*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s23*s24*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (5*s24*z2*z3*z4)/(s234*s34*z12*z34^2) + (3*s13*s24*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (3*s14*s24*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (4*s23*s24*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (4*s24^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (s24^2*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (2*s24^2*z2*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (2*z3^2*z4)/(s12*z12*z34^2) + (2*s12*z3^2*z4)/(s34^2*z12*z34^2) + 
   (2*s13*z3^2*z4)/(s34^2*z12*z34^2) + (2*s14*z3^2*z4)/(s34^2*z12*z34^2) + 
   (2*s23*z3^2*z4)/(s34^2*z12*z34^2) + (2*s24*z3^2*z4)/(s34^2*z12*z34^2) - 
   (2*s13*z3^2*z4)/(s12*s34*z12*z34^2) - (2*s14*z3^2*z4)/
    (s12*s34*z12*z34^2) - (2*s23*z3^2*z4)/(s12*s34*z12*z34^2) - 
   (2*s24*z3^2*z4)/(s12*s34*z12*z34^2) - (s13*z4)/(2*s12*s123*z34) - 
   (s23*z4)/(s12^2*z34) - (s23*z4)/(2*s12*s123*z34) - 
   (s13*s23*z4)/(4*s12^2*s123*z34) - (s13*s23*z4)/(4*s12^2*s124*z34) - 
   (s23*z4)/(s12*s134*z34) - (s14*s23*z4)/(4*s12^2*s123*z34) - 
   (s14*s23*z4)/(4*s12^2*s124*z34) + (s23^2*z4)/(4*s12^2*s123*z34) + 
   (s23^2*z4)/(4*s12^2*s124*z34) - (s23*z4)/(s12*s234*z34) - 
   (s23*z4)/(s134*s234*z34) + (s23*s24*z4)/(4*s12^2*s123*z34) + 
   (s23*s24*z4)/(4*s12^2*s124*z34) - (s13*z4)/(s34^2*z34) - 
   (s13^2*z4)/(s12*s34^2*z34) - (s12*s13*z4)/(2*s134*s34^2*z34) - 
   (s13^2*z4)/(2*s134*s34^2*z34) - (s13*s14*z4)/(s12*s34^2*z34) - 
   (s13*s14*z4)/(2*s134*s34^2*z34) - (s23*z4)/(s34^2*z34) - 
   (2*s13*s23*z4)/(s12*s34^2*z34) + (s13^2*s23*z4)/(2*s12*s134*s34^2*z34) - 
   (2*s14*s23*z4)/(s12*s34^2*z34) - (s13*s14*s23*z4)/(s12^2*s34^2*z34) + 
   (s13*s14*s23*z4)/(2*s12*s134*s34^2*z34) - 
   (s14^2*s23*z4)/(s12^2*s34^2*z34) - (s23^2*z4)/(s12*s34^2*z34) + 
   (s13*s23^2*z4)/(2*s12*s134*s34^2*z34) - (s14*s23^2*z4)/(s12^2*s34^2*z34) - 
   (s12*s23*z4)/(2*s234*s34^2*z34) - (s13*s23*z4)/(s234*s34^2*z34) - 
   (s13^2*s23*z4)/(2*s12*s234*s34^2*z34) - (s12*s13*s23*z4)/
    (s134*s234*s34^2*z34) - (s13^2*s23*z4)/(s134*s234*s34^2*z34) - 
   (3*s14*s23*z4)/(2*s234*s34^2*z34) - (3*s13*s14*s23*z4)/
    (2*s12*s234*s34^2*z34) - (s12*s14*s23*z4)/(s134*s234*s34^2*z34) - 
   (2*s13*s14*s23*z4)/(s134*s234*s34^2*z34) - 
   (s14^2*s23*z4)/(s12*s234*s34^2*z34) - (s14^2*s23*z4)/
    (s134*s234*s34^2*z34) - (3*s23^2*z4)/(2*s234*s34^2*z34) - 
   (3*s13*s23^2*z4)/(2*s12*s234*s34^2*z34) - 
   (s13*s23^2*z4)/(s134*s234*s34^2*z34) - (2*s14*s23^2*z4)/
    (s12*s234*s34^2*z34) - (s14*s23^2*z4)/(s134*s234*s34^2*z34) - 
   (s23^3*z4)/(s12*s234*s34^2*z34) + (s13^2*s24*z4)/(s12^2*s34^2*z34) + 
   (s13^2*s24*z4)/(2*s12*s134*s34^2*z34) + (s13*s14*s24*z4)/
    (s12^2*s34^2*z34) + (s13*s14*s24*z4)/(2*s12*s134*s34^2*z34) - 
   (s23*s24*z4)/(s12*s34^2*z34) + (s13*s23*s24*z4)/(s12^2*s34^2*z34) + 
   (s13*s23*s24*z4)/(s12*s134*s34^2*z34) - (s14*s23*s24*z4)/
    (s12^2*s34^2*z34) + (s13*s24*z4)/(2*s234*s34^2*z34) + 
   (s13^2*s24*z4)/(2*s12*s234*s34^2*z34) + (s13*s14*s24*z4)/
    (2*s12*s234*s34^2*z34) - (3*s23*s24*z4)/(2*s234*s34^2*z34) - 
   (s13*s23*s24*z4)/(s12*s234*s34^2*z34) - (s13*s23*s24*z4)/
    (s134*s234*s34^2*z34) - (2*s14*s23*s24*z4)/(s12*s234*s34^2*z34) - 
   (s14*s23*s24*z4)/(s134*s234*s34^2*z34) - (2*s23^2*s24*z4)/
    (s12*s234*s34^2*z34) + (s13*s24^2*z4)/(s12^2*s34^2*z34) + 
   (s13*s24^2*z4)/(2*s12*s134*s34^2*z34) + 
   (s13*s24^2*z4)/(2*s12*s234*s34^2*z34) - 
   (s23*s24^2*z4)/(s12*s234*s34^2*z34) - (s13*z4)/(s12*s34*z34) - 
   (s13*z4)/(2*s123*s34*z34) - (s13^2*z4)/(2*s12*s123*s34*z34) - 
   (s13*z4)/(2*s134*s34*z34) - (s13*s14*z4)/(2*s12*s123*s34*z34) - 
   (2*s23*z4)/(s12*s34*z34) - (s23*z4)/(2*s123*s34*z34) - 
   (s13*s23*z4)/(s12^2*s34*z34) - (5*s13*s23*z4)/(4*s12*s123*s34*z34) - 
   (s13*s23*z4)/(4*s12*s124*s34*z34) - (s13^2*s23*z4)/
    (4*s12^2*s123*s34*z34) - (s13^2*s23*z4)/(4*s12^2*s124*s34*z34) - 
   (s23*z4)/(s134*s34*z34) - (s13*s23*z4)/(2*s12*s134*s34*z34) - 
   (2*s14*s23*z4)/(s12^2*s34*z34) - (3*s14*s23*z4)/(4*s12*s123*s34*z34) - 
   (s14*s23*z4)/(4*s12*s124*s34*z34) - (s13*s14*s23*z4)/
    (2*s12^2*s123*s34*z34) - (s13*s14*s23*z4)/(2*s12^2*s124*s34*z34) - 
   (s14*s23*z4)/(s12*s134*s34*z34) - (s14^2*s23*z4)/(4*s12^2*s123*s34*z34) - 
   (s14^2*s23*z4)/(4*s12^2*s124*s34*z34) - (s23^2*z4)/(s12^2*s34*z34) - 
   (s23^2*z4)/(4*s12*s123*s34*z34) + (s23^2*z4)/(4*s12*s124*s34*z34) - 
   (s23^2*z4)/(s12*s134*s34*z34) + (s23^3*z4)/(4*s12^2*s123*s34*z34) + 
   (s23^3*z4)/(4*s12^2*s124*s34*z34) - (3*s23*z4)/(2*s234*s34*z34) - 
   (3*s13*s23*z4)/(2*s12*s234*s34*z34) - (s12*s23*z4)/(s134*s234*s34*z34) - 
   (2*s13*s23*z4)/(s134*s234*s34*z34) - (2*s14*s23*z4)/(s12*s234*s34*z34) - 
   (2*s14*s23*z4)/(s134*s234*s34*z34) - (2*s23^2*z4)/(s12*s234*s34*z34) - 
   (s23^2*z4)/(s134*s234*s34*z34) + (s13*s24*z4)/(s12^2*s34*z34) - 
   (s13*s24*z4)/(2*s12*s123*s34*z34) + (s13*s24*z4)/(2*s12*s134*s34*z34) - 
   (s23*s24*z4)/(s12^2*s34*z34) - (s23*s24*z4)/(4*s12*s123*s34*z34) + 
   (s23*s24*z4)/(4*s12*s124*s34*z34) - (s23*s24*z4)/(s12*s134*s34*z34) + 
   (s23^2*s24*z4)/(2*s12^2*s123*s34*z34) + 
   (s23^2*s24*z4)/(2*s12^2*s124*s34*z34) + 
   (s13*s24*z4)/(2*s12*s234*s34*z34) - (2*s23*s24*z4)/(s12*s234*s34*z34) - 
   (s23*s24*z4)/(s134*s234*s34*z34) + (s23*s24^2*z4)/(4*s12^2*s123*s34*z34) + 
   (s23*s24^2*z4)/(4*s12^2*s124*s34*z34) - (z1*z4)/(s12*z12*z34) + 
   (s23*z1*z4)/(s12^2*z12*z34) + (s23*z1*z4)/(2*s12*s123*z12*z34) + 
   (s23*z1*z4)/(2*s12*s124*z12*z34) + (s13*s23*z1*z4)/
    (4*s12^2*s123*z12*z34) + (s13*s23*z1*z4)/(4*s12^2*s124*z12*z34) + 
   (s23*z1*z4)/(2*s12*s134*z12*z34) + (s14*s23*z1*z4)/
    (4*s12^2*s123*z12*z34) + (s14*s23*z1*z4)/(4*s12^2*s124*z12*z34) + 
   (s23^2*z1*z4)/(4*s12^2*s123*z12*z34) + 
   (s23^2*z1*z4)/(4*s12^2*s124*z12*z34) + (s23*z1*z4)/(2*s12*s234*z12*z34) + 
   (s23*s24*z1*z4)/(4*s12^2*s123*z12*z34) + (s23*s24*z1*z4)/
    (4*s12^2*s124*z12*z34) + (s23*z1*z4)/(s34^2*z12*z34) + 
   (s13*s23*z1*z4)/(s12*s34^2*z12*z34) + (s13*s23*z1*z4)/
    (4*s134*s34^2*z12*z34) + (s13^2*s23*z1*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (2*s14*s23*z1*z4)/(s12*s34^2*z12*z34) + (s13*s14*s23*z1*z4)/
    (s12^2*s34^2*z12*z34) + (s14*s23*z1*z4)/(4*s134*s34^2*z12*z34) + 
   (s13*s14*s23*z1*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*s23*z1*z4)/(s12^2*s34^2*z12*z34) + (s14^2*s23*z1*z4)/
    (4*s12*s134*s34^2*z12*z34) + (s23^2*z1*z4)/(s12*s34^2*z12*z34) + 
   (s23^2*z1*z4)/(4*s134*s34^2*z12*z34) + (s13*s23^2*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s23^2*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s14*s23^2*z1*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s23^3*z1*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s13*s23*z1*z4)/(4*s234*s34^2*z12*z34) + (s13^2*s23*z1*z4)/
    (4*s12*s234*s34^2*z12*z34) + (s14*s23*z1*z4)/(4*s234*s34^2*z12*z34) + 
   (s13*s14*s23*z1*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s14^2*s23*z1*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s23^2*z1*z4)/(4*s234*s34^2*z12*z34) + (s13*s23^2*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s23^2*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s23^3*z1*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (s13*s24*z1*z4)/(s12*s34^2*z12*z34) - (s13^2*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) - (s13*s14*s24*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s23*s24*z1*z4)/(s12*s34^2*z12*z34) - (s13*s23*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) + (s23*s24*z1*z4)/(4*s134*s34^2*z12*z34) + 
   (s13*s23*s24*z1*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23*s24*z1*z4)/(s12^2*s34^2*z12*z34) + (s14*s23*s24*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s23^2*s24*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s23*s24*z1*z4)/(4*s234*s34^2*z12*z34) + 
   (s13*s23*s24*z1*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s23*s24*z1*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s23^2*s24*z1*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s13*s24^2*z1*z4)/(s12^2*s34^2*z12*z34) + (s23*s24^2*z1*z4)/
    (4*s12*s134*s34^2*z12*z34) + (s23*s24^2*z1*z4)/
    (4*s12*s234*s34^2*z12*z34) - (z1*z4)/(s34*z12*z34) - 
   (s13*z1*z4)/(s12*s34*z12*z34) - (s14*z1*z4)/(s12*s34*z12*z34) + 
   (s23*z1*z4)/(s12*s34*z12*z34) + (s23*z1*z4)/(2*s123*s34*z12*z34) + 
   (s23*z1*z4)/(2*s124*s34*z12*z34) + (s13*s23*z1*z4)/(s12^2*s34*z12*z34) + 
   (3*s13*s23*z1*z4)/(4*s12*s123*s34*z12*z34) + 
   (3*s13*s23*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s23*z1*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s23*z1*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s23*z1*z4)/(2*s134*s34*z12*z34) + (3*s13*s23*z1*z4)/
    (4*s12*s134*s34*z12*z34) + (2*s14*s23*z1*z4)/(s12^2*s34*z12*z34) + 
   (3*s14*s23*z1*z4)/(4*s12*s123*s34*z12*z34) + 
   (3*s14*s23*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14*s23*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14*s23*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s14*s23*z1*z4)/(4*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z1*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z1*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s23^2*z1*z4)/(s12^2*s34*z12*z34) + (3*s23^2*z1*z4)/
    (4*s12*s123*s34*z12*z34) + (3*s23^2*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13*s23^2*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s23^2*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s23^2*z1*z4)/(4*s12*s134*s34*z12*z34) + 
   (s14*s23^2*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23^2*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^3*z1*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s23^3*z1*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s23*z1*z4)/(2*s234*s34*z12*z34) + (3*s13*s23*z1*z4)/
    (4*s12*s234*s34*z12*z34) + (3*s14*s23*z1*z4)/(4*s12*s234*s34*z12*z34) + 
   (3*s23^2*z1*z4)/(4*s12*s234*s34*z12*z34) - (s24*z1*z4)/(s12*s34*z12*z34) - 
   (s13*s24*z1*z4)/(s12^2*s34*z12*z34) + (s23*s24*z1*z4)/
    (s12^2*s34*z12*z34) + (3*s23*s24*z1*z4)/(4*s12*s123*s34*z12*z34) + 
   (3*s23*s24*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13*s23*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s23*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s23*s24*z1*z4)/(4*s12*s134*s34*z12*z34) + 
   (s14*s23*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^2*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s23^2*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s23*s24*z1*z4)/(4*s12*s234*s34*z12*z34) + 
   (s23*s24^2*z1*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s23*s24^2*z1*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (2*s13*z1*z2*z4)/(s12^2*z12^2*z34) - (2*s23*z1*z2*z4)/(s12^2*z12^2*z34) + 
   (2*s13*z1*z2*z4)/(s34^2*z12^2*z34) + (2*s13^2*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (2*s13*s14*z1*z2*z4)/(s12*s34^2*z12^2*z34) + 
   (2*s23*z1*z2*z4)/(s34^2*z12^2*z34) + (4*s13*s23*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (2*s14*s23*z1*z2*z4)/(s12*s34^2*z12^2*z34) + 
   (2*s23^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) + (2*s13*s24*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (2*s23*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (2*s13^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) - (2*s13*s14*z1*z2*z4)/
    (s12^2*s34*z12^2*z34) - (4*s13*s23*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (2*s14*s23*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (2*s23^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) - (2*s13*s24*z1*z2*z4)/
    (s12^2*s34*z12^2*z34) - (2*s23*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (z2*z4)/(s12*z12*z34) + (2*s13*z2*z4)/(s12^2*z12*z34) - 
   (z2*z4)/(2*s134*z12*z34) + (3*s13*z2*z4)/(4*s12*s134*z12*z34) - 
   (s14*z2*z4)/(4*s12*s134*z12*z34) + (s23*z2*z4)/(s12^2*z12*z34) - 
   (s23*z2*z4)/(2*s12*s123*z12*z34) - (s23*z2*z4)/(2*s12*s124*z12*z34) - 
   (s13*s23*z2*z4)/(4*s12^2*s123*z12*z34) - (s13*s23*z2*z4)/
    (4*s12^2*s124*z12*z34) + (s23*z2*z4)/(4*s12*s134*z12*z34) - 
   (s14*s23*z2*z4)/(4*s12^2*s123*z12*z34) - (s14*s23*z2*z4)/
    (4*s12^2*s124*z12*z34) - (s23^2*z2*z4)/(4*s12^2*s123*z12*z34) - 
   (s23^2*z2*z4)/(4*s12^2*s124*z12*z34) + (z2*z4)/(2*s234*z12*z34) + 
   (5*s13*z2*z4)/(4*s12*s234*z12*z34) + (s14*z2*z4)/(4*s12*s234*z12*z34) + 
   (3*s23*z2*z4)/(4*s12*s234*z12*z34) - (s24*z2*z4)/(4*s12*s134*z12*z34) - 
   (s23*s24*z2*z4)/(4*s12^2*s123*z12*z34) - (s23*s24*z2*z4)/
    (4*s12^2*s124*z12*z34) + (s24*z2*z4)/(4*s12*s234*z12*z34) - 
   (s13*z2*z4)/(s34^2*z12*z34) - (s13^2*z2*z4)/(s12*s34^2*z12*z34) - 
   (s12*s13*z2*z4)/(s134*s34^2*z12*z34) - (3*s13^2*z2*z4)/
    (4*s134*s34^2*z12*z34) + (s13^3*z2*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s13*s14*z2*z4)/(s12*s34^2*z12*z34) - (3*s13*s14*z2*z4)/
    (4*s134*s34^2*z12*z34) + (s13^2*s14*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s13*s14^2*z2*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (2*s23*z2*z4)/(s34^2*z12*z34) - (3*s13*s23*z2*z4)/(s12*s34^2*z12*z34) - 
   (3*s13*s23*z2*z4)/(4*s134*s34^2*z12*z34) + 
   (s13^2*s23*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (3*s14*s23*z2*z4)/(s12*s34^2*z12*z34) - (s13*s14*s23*z2*z4)/
    (s12^2*s34^2*z12*z34) + (s14*s23*z2*z4)/(2*s134*s34^2*z12*z34) + 
   (s13*s14*s23*z2*z4)/(s12*s134*s34^2*z12*z34) - 
   (s14^2*s23*z2*z4)/(s12^2*s34^2*z12*z34) + (s14^2*s23*z2*z4)/
    (2*s12*s134*s34^2*z12*z34) - (2*s23^2*z2*z4)/(s12*s34^2*z12*z34) + 
   (s13*s23^2*z2*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s14*s23^2*z2*z4)/(s12^2*s34^2*z12*z34) + (s14*s23^2*z2*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s13^2*z2*z4)/(4*s234*s34^2*z12*z34) + 
   (s13^3*z2*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s13*s14*z2*z4)/(4*s234*s34^2*z12*z34) + (s13^2*s14*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s14^2*z2*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s12*s23*z2*z4)/(s234*s34^2*z12*z34) - 
   (3*s13*s23*z2*z4)/(4*s234*s34^2*z12*z34) + 
   (s13^2*s23*z2*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (3*s14*s23*z2*z4)/(2*s234*s34^2*z12*z34) - 
   (s14^2*s23*z2*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s23^2*z2*z4)/(s234*s34^2*z12*z34) + (s13*s23^2*z2*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s14*s23^2*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s13^2*s24*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (5*s13*s24*z2*z4)/(4*s134*s34^2*z12*z34) + (s13*s14*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) - (2*s23*s24*z2*z4)/(s12*s34^2*z12*z34) + 
   (s13*s23*s24*z2*z4)/(s12^2*s34^2*z12*z34) - (s14*s23*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) + (s14*s23*s24*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (3*s13*s24*z2*z4)/(4*s234*s34^2*z12*z34) + 
   (s13^2*s24*z2*z4)/(s12*s234*s34^2*z12*z34) + 
   (s13*s14*s24*z2*z4)/(s12*s234*s34^2*z12*z34) - 
   (s23*s24*z2*z4)/(s234*s34^2*z12*z34) + (s13*s23*s24*z2*z4)/
    (s12*s234*s34^2*z12*z34) - (s14*s23*s24*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s24^2*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (s13*s24^2*z2*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (3*s13*s24^2*z2*z4)/(4*s12*s234*s34^2*z12*z34) - (z2*z4)/(s34*z12*z34) + 
   (2*s13^2*z2*z4)/(s12^2*s34*z12*z34) - (s12*z2*z4)/(2*s134*s34*z12*z34) - 
   (3*s13*z2*z4)/(4*s134*s34*z12*z34) + (s13^2*z2*z4)/
    (s12*s134*s34*z12*z34) - (s14*z2*z4)/(s12*s34*z12*z34) + 
   (2*s13*s14*z2*z4)/(s12^2*s34*z12*z34) - 
   (3*s14*z2*z4)/(4*s134*s34*z12*z34) + (3*s13*s14*z2*z4)/
    (4*s12*s134*s34*z12*z34) - (s14^2*z2*z4)/(4*s12*s134*s34*z12*z34) - 
   (2*s23*z2*z4)/(s12*s34*z12*z34) - (s23*z2*z4)/(2*s123*s34*z12*z34) - 
   (s23*z2*z4)/(2*s124*s34*z12*z34) + (3*s13*s23*z2*z4)/(s12^2*s34*z12*z34) - 
   (3*s13*s23*z2*z4)/(4*s12*s123*s34*z12*z34) - 
   (3*s13*s23*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s23*z2*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^2*s23*z2*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (s23*z2*z4)/(4*s134*s34*z12*z34) + (5*s13*s23*z2*z4)/
    (4*s12*s134*s34*z12*z34) - (3*s14*s23*z2*z4)/(4*s12*s123*s34*z12*z34) - 
   (3*s14*s23*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13*s14*s23*z2*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s14*s23*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s23*z2*z4)/(2*s12*s134*s34*z12*z34) - 
   (s14^2*s23*z2*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^2*s23*z2*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s23^2*z2*z4)/(s12^2*s34*z12*z34) - (3*s23^2*z2*z4)/
    (4*s12*s123*s34*z12*z34) - (3*s23^2*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13*s23^2*z2*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s23^2*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^2*z2*z4)/(4*s12*s134*s34*z12*z34) - (s14*s23^2*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) - (s14*s23^2*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) - (s23^3*z2*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s23^3*z2*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s12*z2*z4)/(2*s234*s34*z12*z34) + (7*s13*z2*z4)/(4*s234*s34*z12*z34) + 
   (3*s13^2*z2*z4)/(2*s12*s234*s34*z12*z34) + 
   (3*s14*z2*z4)/(4*s234*s34*z12*z34) + (7*s13*s14*z2*z4)/
    (4*s12*s234*s34*z12*z34) + (s14^2*z2*z4)/(4*s12*s234*s34*z12*z34) + 
   (s23*z2*z4)/(4*s234*s34*z12*z34) + (9*s13*s23*z2*z4)/
    (4*s12*s234*s34*z12*z34) + (s14*s23*z2*z4)/(2*s12*s234*s34*z12*z34) + 
   (3*s23^2*z2*z4)/(4*s12*s234*s34*z12*z34) - (s24*z2*z4)/(s12*s34*z12*z34) + 
   (3*s13*s24*z2*z4)/(s12^2*s34*z12*z34) - 
   (3*s24*z2*z4)/(4*s134*s34*z12*z34) + (s13*s24*z2*z4)/
    (4*s12*s134*s34*z12*z34) - (s14*s24*z2*z4)/(2*s12*s134*s34*z12*z34) + 
   (s23*s24*z2*z4)/(s12^2*s34*z12*z34) - (3*s23*s24*z2*z4)/
    (4*s12*s123*s34*z12*z34) - (3*s23*s24*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13*s23*s24*z2*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s23*s24*z2*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s14*s23*s24*z2*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s14*s23*s24*z2*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s23^2*s24*z2*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s23^2*s24*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s24*z2*z4)/(4*s234*s34*z12*z34) + (9*s13*s24*z2*z4)/
    (4*s12*s234*s34*z12*z34) + (s14*s24*z2*z4)/(2*s12*s234*s34*z12*z34) + 
   (s23*s24*z2*z4)/(s12*s234*s34*z12*z34) - 
   (s24^2*z2*z4)/(4*s12*s134*s34*z12*z34) - (s23*s24^2*z2*z4)/
    (4*s12^2*s123*s34*z12*z34) - (s23*s24^2*z2*z4)/
    (4*s12^2*s124*s34*z12*z34) + (s24^2*z2*z4)/(4*s12*s234*s34*z12*z34) - 
   (3*z3*z4)/(2*s123*z12*z34) - (z3*z4)/(2*s124*z12*z34) - 
   (s13*z3*z4)/(s12*s123*z12*z34) + (s13*z3*z4)/(s12*s124*z12*z34) - 
   (z3*z4)/(2*s134*z12*z34) - (s14*z3*z4)/(2*s12*s123*z12*z34) + 
   (s14*z3*z4)/(2*s12*s124*z12*z34) - (s23*z3*z4)/(s12*s123*z12*z34) + 
   (s23*z3*z4)/(s12*s124*z12*z34) - (z3*z4)/(2*s234*z12*z34) - 
   (s24*z3*z4)/(2*s12*s123*z12*z34) + (s24*z3*z4)/(2*s12*s124*z12*z34) - 
   (3*s12*z3*z4)/(s34^2*z12*z34) - (4*s13*z3*z4)/(s34^2*z12*z34) - 
   (s13^2*z3*z4)/(s12*s34^2*z12*z34) - (s12*s13*z3*z4)/
    (4*s134*s34^2*z12*z34) - (s13^2*z3*z4)/(4*s134*s34^2*z12*z34) - 
   (4*s14*z3*z4)/(s34^2*z12*z34) - (2*s13*s14*z3*z4)/(s12*s34^2*z12*z34) - 
   (s12*s14*z3*z4)/(4*s134*s34^2*z12*z34) - (s13*s14*z3*z4)/
    (2*s134*s34^2*z12*z34) - (s14^2*z3*z4)/(s12*s34^2*z12*z34) - 
   (s14^2*z3*z4)/(4*s134*s34^2*z12*z34) - (4*s23*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s23*z3*z4)/(s12*s34^2*z12*z34) - (3*s12*s23*z3*z4)/
    (4*s134*s34^2*z12*z34) - (5*s13*s23*z3*z4)/(4*s134*s34^2*z12*z34) - 
   (s13^2*s23*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (2*s14*s23*z3*z4)/(s12*s34^2*z12*z34) - (5*s14*s23*z3*z4)/
    (4*s134*s34^2*z12*z34) - (s13*s14*s23*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^2*s23*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s23^2*z3*z4)/(s12*s34^2*z12*z34) - (s23^2*z3*z4)/(s134*s34^2*z12*z34) - 
   (s13*s23^2*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s23^2*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s23^3*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s12*s13*z3*z4)/(4*s234*s34^2*z12*z34) - 
   (s13^2*z3*z4)/(4*s234*s34^2*z12*z34) - (s12*s14*z3*z4)/
    (4*s234*s34^2*z12*z34) - (s13*s14*z3*z4)/(2*s234*s34^2*z12*z34) - 
   (s14^2*z3*z4)/(4*s234*s34^2*z12*z34) + (s12*s23*z3*z4)/
    (4*s234*s34^2*z12*z34) + (s13*s23*z3*z4)/(4*s234*s34^2*z12*z34) + 
   (s13^2*s23*z3*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s14*s23*z3*z4)/(4*s234*s34^2*z12*z34) + (s13*s14*s23*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s23*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) + (s23^2*z3*z4)/(2*s234*s34^2*z12*z34) + 
   (s13*s23^2*z3*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s23^2*z3*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s23^3*z3*z4)/(4*s12*s234*s34^2*z12*z34) - (4*s24*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s24*z3*z4)/(s12*s34^2*z12*z34) - (3*s12*s24*z3*z4)/
    (4*s134*s34^2*z12*z34) - (5*s13*s24*z3*z4)/(4*s134*s34^2*z12*z34) - 
   (s13^2*s24*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (2*s14*s24*z3*z4)/(s12*s34^2*z12*z34) - (5*s14*s24*z3*z4)/
    (4*s134*s34^2*z12*z34) - (s13*s14*s24*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^2*s24*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (2*s23*s24*z3*z4)/(s12*s34^2*z12*z34) - (2*s23*s24*z3*z4)/
    (s134*s34^2*z12*z34) - (s13*s23*s24*z3*z4)/(s12*s134*s34^2*z12*z34) - 
   (s14*s23*s24*z3*z4)/(s12*s134*s34^2*z12*z34) - 
   (3*s23^2*s24*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s12*s24*z3*z4)/(4*s234*s34^2*z12*z34) + (s13*s24*z3*z4)/
    (4*s234*s34^2*z12*z34) + (s13^2*s24*z3*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s14*s24*z3*z4)/(4*s234*s34^2*z12*z34) + (s13*s14*s24*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s24*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) + (s23*s24*z3*z4)/(s234*s34^2*z12*z34) + 
   (s13*s23*s24*z3*z4)/(s12*s234*s34^2*z12*z34) + 
   (s14*s23*s24*z3*z4)/(s12*s234*s34^2*z12*z34) + 
   (3*s23^2*s24*z3*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (s24^2*z3*z4)/(s12*s34^2*z12*z34) - (s24^2*z3*z4)/(s134*s34^2*z12*z34) - 
   (s13*s24^2*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s24^2*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (3*s23*s24^2*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s24^2*z3*z4)/(2*s234*s34^2*z12*z34) + (s13*s24^2*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s24^2*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) + (3*s23*s24^2*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s24^3*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s24^3*z3*z4)/(4*s12*s234*s34^2*z12*z34) - (3*z3*z4)/(s34*z12*z34) - 
   (3*s12*z3*z4)/(2*s123*s34*z12*z34) - (3*s12*z3*z4)/(2*s124*s34*z12*z34) - 
   (s13*z3*z4)/(s12*s34*z12*z34) - (5*s13*z3*z4)/(2*s123*s34*z12*z34) - 
   (3*s13*z3*z4)/(2*s124*s34*z12*z34) - (s13^2*z3*z4)/
    (s12*s123*s34*z12*z34) - (s12*z3*z4)/(2*s134*s34*z12*z34) - 
   (3*s13*z3*z4)/(4*s134*s34*z12*z34) - (s14*z3*z4)/(s12*s34*z12*z34) - 
   (2*s14*z3*z4)/(s123*s34*z12*z34) - (2*s14*z3*z4)/(s124*s34*z12*z34) - 
   (3*s13*s14*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s13*s14*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (3*s14*z3*z4)/(4*s134*s34*z12*z34) - (s14^2*z3*z4)/
    (2*s12*s123*s34*z12*z34) - (s14^2*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s23*z3*z4)/(s12*s34*z12*z34) - (5*s23*z3*z4)/(2*s123*s34*z12*z34) - 
   (3*s23*z3*z4)/(2*s124*s34*z12*z34) - (2*s13*s23*z3*z4)/
    (s12*s123*s34*z12*z34) - (5*s23*z3*z4)/(4*s134*s34*z12*z34) - 
   (s13*s23*z3*z4)/(4*s12*s134*s34*z12*z34) - 
   (3*s14*s23*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s14*s23*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s14*s23*z3*z4)/(4*s12*s134*s34*z12*z34) - 
   (s23^2*z3*z4)/(s12*s123*s34*z12*z34) - 
   (s23^2*z3*z4)/(4*s12*s134*s34*z12*z34) - 
   (s12*z3*z4)/(2*s234*s34*z12*z34) - (3*s13*z3*z4)/(4*s234*s34*z12*z34) - 
   (3*s14*z3*z4)/(4*s234*s34*z12*z34) - (s23*z3*z4)/(4*s234*s34*z12*z34) + 
   (s13*s23*z3*z4)/(4*s12*s234*s34*z12*z34) + 
   (s14*s23*z3*z4)/(4*s12*s234*s34*z12*z34) + 
   (s23^2*z3*z4)/(4*s12*s234*s34*z12*z34) - (s24*z3*z4)/(s12*s34*z12*z34) - 
   (2*s24*z3*z4)/(s123*s34*z12*z34) - (2*s24*z3*z4)/(s124*s34*z12*z34) - 
   (3*s13*s24*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s13*s24*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (5*s24*z3*z4)/(4*s134*s34*z12*z34) - (s13*s24*z3*z4)/
    (4*s12*s134*s34*z12*z34) - (s14*s24*z3*z4)/(s12*s123*s34*z12*z34) - 
   (s14*s24*z3*z4)/(s12*s124*s34*z12*z34) - (s14*s24*z3*z4)/
    (4*s12*s134*s34*z12*z34) - (3*s23*s24*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s23*s24*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s23*s24*z3*z4)/(2*s12*s134*s34*z12*z34) - 
   (s24*z3*z4)/(4*s234*s34*z12*z34) + (s13*s24*z3*z4)/
    (4*s12*s234*s34*z12*z34) + (s14*s24*z3*z4)/(4*s12*s234*s34*z12*z34) + 
   (s23*s24*z3*z4)/(2*s12*s234*s34*z12*z34) - 
   (s24^2*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s24^2*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s24^2*z3*z4)/(4*s12*s134*s34*z12*z34) + 
   (s24^2*z3*z4)/(4*s12*s234*s34*z12*z34) + (s34*z3*z4)/(s12*s124*z12*z34) - 
   (2*z3*z4^2)/(s12*z12*z34^2) + (2*s12*z3*z4^2)/(s34^2*z12*z34^2) + 
   (2*s13*z3*z4^2)/(s34^2*z12*z34^2) + (2*s14*z3*z4^2)/(s34^2*z12*z34^2) + 
   (2*s23*z3*z4^2)/(s34^2*z12*z34^2) + (2*s24*z3*z4^2)/(s34^2*z12*z34^2) - 
   (2*s13*z3*z4^2)/(s12*s34*z12*z34^2) - (2*s14*z3*z4^2)/
    (s12*s34*z12*z34^2) - (2*s23*z3*z4^2)/(s12*s34*z12*z34^2) - 
   (2*s24*z3*z4^2)/(s12*s34*z12*z34^2) + (s13*z4^2)/(s34^2*z12*z34) + 
   (s13^2*z4^2)/(s12*s34^2*z12*z34) + (s13*s14*z4^2)/(s12*s34^2*z12*z34) + 
   (s23*z4^2)/(s34^2*z12*z34) + (2*s13*s23*z4^2)/(s12*s34^2*z12*z34) + 
   (s12*s23*z4^2)/(2*s134*s34^2*z12*z34) + (3*s13*s23*z4^2)/
    (4*s134*s34^2*z12*z34) + (s13^2*s23*z4^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s14*s23*z4^2)/(s12*s34^2*z12*z34) + (3*s14*s23*z4^2)/
    (4*s134*s34^2*z12*z34) + (s13*s14*s23*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*s23*z4^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s23^2*z4^2)/(s12*s34^2*z12*z34) + (3*s23^2*z4^2)/(4*s134*s34^2*z12*z34) + 
   (s13*s23^2*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23^2*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s23^3*z4^2)/(4*s12*s134*s34^2*z12*z34) - 
   (s12*s23*z4^2)/(2*s234*s34^2*z12*z34) - (3*s13*s23*z4^2)/
    (4*s234*s34^2*z12*z34) - (s13^2*s23*z4^2)/(4*s12*s234*s34^2*z12*z34) - 
   (3*s14*s23*z4^2)/(4*s234*s34^2*z12*z34) - (s13*s14*s23*z4^2)/
    (2*s12*s234*s34^2*z12*z34) - (s14^2*s23*z4^2)/
    (4*s12*s234*s34^2*z12*z34) - (3*s23^2*z4^2)/(4*s234*s34^2*z12*z34) - 
   (s13*s23^2*z4^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s14*s23^2*z4^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s23^3*z4^2)/(4*s12*s234*s34^2*z12*z34) + 
   (s13*s24*z4^2)/(s12*s34^2*z12*z34) + (s23*s24*z4^2)/(s12*s34^2*z12*z34) + 
   (3*s23*s24*z4^2)/(4*s134*s34^2*z12*z34) + (s13*s23*s24*z4^2)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s23*s24*z4^2)/
    (2*s12*s134*s34^2*z12*z34) + (s23^2*s24*z4^2)/
    (2*s12*s134*s34^2*z12*z34) - (3*s23*s24*z4^2)/(4*s234*s34^2*z12*z34) - 
   (s13*s23*s24*z4^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s14*s23*s24*z4^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s23^2*s24*z4^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s23*s24^2*z4^2)/(4*s12*s134*s34^2*z12*z34) - 
   (s23*s24^2*z4^2)/(4*s12*s234*s34^2*z12*z34) + 
   (s13*z4^2)/(s12*s34*z12*z34) + (s23*z4^2)/(s12*s34*z12*z34) + 
   (s23*z4^2)/(2*s134*s34*z12*z34) + (s13*s23*z4^2)/
    (4*s12*s134*s34*z12*z34) + (s14*s23*z4^2)/(4*s12*s134*s34*z12*z34) + 
   (s23^2*z4^2)/(4*s12*s134*s34*z12*z34) - (s23*z4^2)/(2*s234*s34*z12*z34) - 
   (s13*s23*z4^2)/(4*s12*s234*s34*z12*z34) - 
   (s14*s23*z4^2)/(4*s12*s234*s34*z12*z34) - 
   (s23^2*z4^2)/(4*s12*s234*s34*z12*z34) + 
   (s23*s24*z4^2)/(4*s12*s134*s34*z12*z34) - 
   (s23*s24*z4^2)/(4*s12*s234*s34*z12*z34)) + 
 k4k1*(-D/(2*s12) - D/(4*s123) - D/(4*s124) + s13/(2*s12*s123) + 
   s13/(s12*s124) - (D*s13)/(2*s12*s124) + (2*s13)/(s123*s124) - 
   (D*s13)/(2*s123*s124) + (2*s13^2)/(s12*s123*s124) - 
   (D*s13^2)/(2*s12*s123*s124) - D/(4*s134) + (2*s12)/(s123*s134) - 
   (D*s12)/(2*s123*s134) + (D*s12)/(4*s124*s134) + (4*s13)/(s123*s134) - 
   (D*s13)/(2*s123*s134) + (D*s13)/(4*s124*s134) - (D*s14)/(4*s12*s123) - 
   (D*s14)/(4*s12*s124) + (2*s13*s14)/(s12*s123*s124) - 
   (D*s13*s14)/(2*s12*s123*s124) + (2*s14)/(s123*s134) - 
   (D*s14)/(2*s123*s134) + (D*s14)/(4*s124*s134) + s23/s12^2 + 
   (2*s23)/(s12*s124) - (D*s23)/(2*s12*s124) + (3*s23)/(s123*s124) - 
   (D*s23)/(2*s123*s124) + (3*s13*s23)/(2*s12^2*s123) + 
   (5*s13*s23)/(s12*s123*s124) - (D*s13*s23)/(s12*s123*s124) + 
   (2*s23)/(s12*s134) - (D*s23)/(4*s12*s134) + (4*s23)/(s123*s134) - 
   (D*s23)/(2*s123*s134) + (D*s23)/(4*s124*s134) + 
   (D*s13*s23)/(2*s12*s123*s134) - (s13*s23)/(s12*s124*s134) + 
   (D*s13*s23)/(4*s12*s124*s134) + (3*s14*s23)/(2*s12^2*s123) + 
   (4*s14*s23)/(s12*s123*s124) - (D*s14*s23)/(2*s12*s123*s124) + 
   (s13*s14*s23)/(s12^2*s123*s124) + (2*s14*s23)/(s12*s123*s134) + 
   (s14*s23)/(s12*s124*s134) + (s14^2*s23)/(s12^2*s123*s124) - 
   (3*s23^2)/(2*s12^2*s123) + (3*s23^2)/(s12*s123*s124) - 
   (D*s23^2)/(2*s12*s123*s124) + (D*s23^2)/(2*s12*s123*s134) - 
   s23^2/(s12*s124*s134) + (D*s23^2)/(4*s12*s124*s134) + 
   (s14*s23^2)/(s12^2*s123*s124) - D/(4*s234) + (D*s12)/(4*s123*s234) + 
   (2*s12)/(s124*s234) - (D*s12)/(2*s124*s234) + (D*s13)/(4*s123*s234) + 
   (2*s13)/(s124*s234) - (D*s13)/(2*s124*s234) - s12/(s134*s234) + 
   (D*s14)/(4*s123*s234) + (2*s14)/(s124*s234) - (D*s14)/(2*s124*s234) - 
   s23/(2*s12*s234) + (D*s23)/(4*s12*s234) + (D*s23)/(4*s123*s234) + 
   (4*s23)/(s124*s234) - (D*s23)/(2*s124*s234) - (s13*s23)/(s12*s123*s234) + 
   (D*s13*s23)/(4*s12*s123*s234) - (2*s13*s23)/(s12*s124*s234) + 
   (D*s13*s23)/(2*s12*s124*s234) + (3*s23)/(s134*s234) - 
   (D*s23)/(2*s134*s234) - (s14*s23)/(s12*s123*s234) + 
   s23^2/(s12*s123*s234) + (D*s23^2)/(4*s12*s123*s234) - 
   (2*s23^2)/(s12*s124*s234) + (D*s23^2)/(2*s12*s124*s234) + s24/s12^2 - 
   (D*s24)/(4*s12*s123) + s24/(2*s12*s124) - (D*s24)/(4*s12*s124) - 
   (s13*s24)/(2*s12^2*s123) + (2*s13*s24)/(s12*s123*s124) - 
   (D*s13*s24)/(2*s12*s123*s124) + s24/(s12*s134) - (D*s24)/(4*s12*s134) + 
   (2*s24)/(s123*s134) - (D*s24)/(2*s123*s134) + (D*s24)/(4*s124*s134) - 
   (2*s13*s24)/(s12*s123*s134) + (D*s13*s24)/(2*s12*s123*s134) + 
   (D*s13*s24)/(4*s12*s124*s134) + (s14*s24)/(2*s12^2*s124) + 
   (2*s23*s24)/(s12*s123*s124) - (D*s23*s24)/(2*s12*s123*s124) - 
   (s13*s23*s24)/(s12^2*s123*s124) + (D*s23*s24)/(2*s12*s123*s134) - 
   (s23*s24)/(s12*s124*s134) + (D*s23*s24)/(4*s12*s124*s134) - 
   (s23^2*s24)/(s12^2*s123*s124) + s24/(2*s12*s234) + (D*s24)/(4*s12*s234) + 
   (D*s24)/(4*s123*s234) + (4*s24)/(s124*s234) - (D*s24)/(2*s124*s234) + 
   (D*s13*s24)/(4*s12*s123*s234) + (D*s13*s24)/(2*s12*s124*s234) + 
   (2*s24)/(s134*s234) - (D*s24)/(2*s134*s234) + 
   (2*s14*s24)/(s12*s124*s234) - (s23*s24)/(s12*s123*s234) + 
   (D*s23*s24)/(4*s12*s123*s234) + (D*s23*s24)/(2*s12*s124*s234) + 
   s24^2/(2*s12^2*s124) - (s23*s24^2)/(s12^2*s123*s124) + 
   (2*s24^2)/(s12*s124*s234) + s13/s34^2 + s13^2/(s12*s34^2) + 
   (s12*s13)/(2*s134*s34^2) + s13^2/(2*s134*s34^2) + (s13*s14)/(s12*s34^2) + 
   (s13*s14)/(2*s134*s34^2) + s23/s34^2 + (2*s13*s23)/(s12*s34^2) - 
   (s13^2*s23)/(2*s12*s134*s34^2) + (2*s14*s23)/(s12*s34^2) + 
   (s13*s14*s23)/(s12^2*s34^2) - (s13*s14*s23)/(2*s12*s134*s34^2) + 
   (s14^2*s23)/(s12^2*s34^2) - s23^2/(s12*s34^2) - 
   (2*s13*s23^2)/(s12^2*s34^2) - (s13*s23^2)/(2*s12*s134*s34^2) - 
   (s14*s23^2)/(s12^2*s34^2) - (2*s23^3)/(s12^2*s34^2) + 
   (s12*s23)/(2*s234*s34^2) - (s13^2*s23)/(2*s12*s234*s34^2) - 
   (s12*s13*s23)/(s134*s234*s34^2) - (s13^2*s23)/(s134*s234*s34^2) + 
   (3*s14*s23)/(2*s234*s34^2) + (s13*s14*s23)/(2*s12*s234*s34^2) + 
   (s12*s14*s23)/(s134*s234*s34^2) + (s14^2*s23)/(s12*s234*s34^2) + 
   (s14^2*s23)/(s134*s234*s34^2) - (3*s23^2)/(2*s234*s34^2) - 
   (5*s13*s23^2)/(2*s12*s234*s34^2) - (s13*s23^2)/(s134*s234*s34^2) - 
   (s14*s23^2)/(s12*s234*s34^2) + (s14*s23^2)/(s134*s234*s34^2) - 
   (2*s23^3)/(s12*s234*s34^2) - (s13^2*s24)/(s12^2*s34^2) - 
   (s13^2*s24)/(2*s12*s134*s34^2) - (s13*s14*s24)/(s12^2*s34^2) - 
   (s13*s14*s24)/(2*s12*s134*s34^2) + (s23*s24)/(s12*s34^2) - 
   (s13*s23*s24)/(s12^2*s34^2) - (s13*s23*s24)/(s12*s134*s34^2) + 
   (s14*s23*s24)/(s12^2*s34^2) - (2*s23^2*s24)/(s12^2*s34^2) - 
   (s13*s24)/(2*s234*s34^2) - (s13^2*s24)/(2*s12*s234*s34^2) - 
   (s13*s14*s24)/(2*s12*s234*s34^2) + (3*s23*s24)/(2*s234*s34^2) - 
   (s13*s23*s24)/(s134*s234*s34^2) + (2*s14*s23*s24)/(s12*s234*s34^2) + 
   (s14*s23*s24)/(s134*s234*s34^2) - (s23^2*s24)/(s12*s234*s34^2) - 
   (s13*s24^2)/(s12^2*s34^2) - (s13*s24^2)/(2*s12*s134*s34^2) - 
   (s13*s24^2)/(2*s12*s234*s34^2) + (s23*s24^2)/(s12*s234*s34^2) - 
   D/(2*s34) + s13/(s12*s34) - (D*s13)/(2*s12*s34) + s13/(2*s123*s34) + 
   (D*s13)/(4*s123*s34) + s13/(s124*s34) - (D*s13)/(4*s124*s34) + 
   s13^2/(2*s12*s123*s34) + (D*s13^2)/(4*s12*s123*s34) + 
   s13^2/(s12*s124*s34) - (D*s13^2)/(4*s12*s124*s34) - (D*s12)/(4*s134*s34) + 
   s13/(2*s134*s34) - (D*s13)/(4*s134*s34) + (2*s12*s13)/(s123*s134*s34) + 
   (2*s13^2)/(s123*s134*s34) - (D*s14)/(2*s12*s34) + 
   (s13*s14)/(2*s12*s123*s34) + (D*s13*s14)/(4*s12*s123*s34) + 
   (s13*s14)/(s12*s124*s34) - (D*s13*s14)/(4*s12*s124*s34) - 
   (D*s14)/(4*s134*s34) + (2*s13*s14)/(s123*s134*s34) + (2*s23)/(s12*s34) - 
   (D*s23)/(2*s12*s34) - s23/(2*s123*s34) + (D*s23)/(4*s123*s34) + 
   (2*s23)/(s124*s34) - (D*s23)/(4*s124*s34) + (s13*s23)/(s12^2*s34) + 
   (s13*s23)/(s12*s123*s34) + (D*s13*s23)/(2*s12*s123*s34) + 
   (3*s13*s23)/(s12*s124*s34) - (D*s13*s23)/(2*s12*s124*s34) + 
   (s13^2*s23)/(s12^2*s123*s34) + (2*s23)/(s134*s34) - (D*s23)/(2*s134*s34) + 
   (3*s13*s23)/(2*s12*s134*s34) - (D*s13*s23)/(4*s12*s134*s34) + 
   (D*s13*s23)/(2*s123*s134*s34) - (s13*s23)/(s124*s134*s34) + 
   (D*s13*s23)/(4*s124*s134*s34) - (2*s13^2*s23)/(s12*s123*s134*s34) + 
   (D*s13^2*s23)/(2*s12*s123*s134*s34) - (s13^2*s23)/(s12*s124*s134*s34) + 
   (D*s13^2*s23)/(4*s12*s124*s134*s34) + (2*s14*s23)/(s12^2*s34) + 
   (s14*s23)/(2*s12*s123*s34) + (D*s14*s23)/(4*s12*s123*s34) + 
   (2*s14*s23)/(s12*s124*s34) - (D*s14*s23)/(4*s12*s124*s34) + 
   (2*s13*s14*s23)/(s12^2*s123*s34) + (2*s14*s23)/(s12*s134*s34) - 
   (D*s14*s23)/(4*s12*s134*s34) + (s14*s23)/(s124*s134*s34) - 
   (2*s13*s14*s23)/(s12*s123*s134*s34) + (D*s13*s14*s23)/
    (2*s12*s123*s134*s34) + (D*s13*s14*s23)/(4*s12*s124*s134*s34) + 
   (s14^2*s23)/(s12^2*s123*s34) + (s14^2*s23)/(s12*s124*s134*s34) - 
   s23^2/(s12^2*s34) - (5*s23^2)/(2*s12*s123*s34) + 
   (D*s23^2)/(4*s12*s123*s34) + (2*s23^2)/(s12*s124*s34) - 
   (D*s23^2)/(4*s12*s124*s34) - (s13*s23^2)/(s12^2*s123*s34) + 
   (2*s23^2)/(s12*s134*s34) - (D*s23^2)/(4*s12*s134*s34) - 
   (2*s23^2)/(s123*s134*s34) + (D*s23^2)/(2*s123*s134*s34) - 
   s23^2/(s124*s134*s34) + (D*s23^2)/(4*s124*s134*s34) - 
   (4*s13*s23^2)/(s12*s123*s134*s34) + (D*s13*s23^2)/(s12*s123*s134*s34) - 
   (2*s13*s23^2)/(s12*s124*s134*s34) + (D*s13*s23^2)/(2*s12*s124*s134*s34) - 
   (s14*s23^2)/(s12^2*s123*s34) - (2*s14*s23^2)/(s12*s123*s134*s34) + 
   (D*s14*s23^2)/(2*s12*s123*s134*s34) + (D*s14*s23^2)/
    (4*s12*s124*s134*s34) - (2*s23^3)/(s12^2*s123*s34) - 
   (2*s23^3)/(s12*s123*s134*s34) + (D*s23^3)/(2*s12*s123*s134*s34) - 
   s23^3/(s12*s124*s134*s34) + (D*s23^3)/(4*s12*s124*s134*s34) - 
   (D*s12)/(4*s234*s34) - (D*s13)/(4*s234*s34) - s12^2/(s134*s234*s34) - 
   (s12*s13)/(s134*s234*s34) - (D*s14)/(4*s234*s34) - 
   (s12*s14)/(s134*s234*s34) + (2*s12*s23)/(s124*s234*s34) - 
   (s13*s23)/(s12*s234*s34) + (D*s13*s23)/(4*s12*s234*s34) - 
   (s13*s23)/(s123*s234*s34) + (D*s13*s23)/(4*s123*s234*s34) + 
   (D*s13*s23)/(2*s124*s234*s34) - (s13^2*s23)/(s12*s123*s234*s34) + 
   (D*s13^2*s23)/(4*s12*s123*s234*s34) - (2*s13^2*s23)/(s12*s124*s234*s34) + 
   (D*s13^2*s23)/(2*s12*s124*s234*s34) + (2*s12*s23)/(s134*s234*s34) - 
   (D*s12*s23)/(2*s134*s234*s34) + (2*s13*s23)/(s134*s234*s34) - 
   (D*s13*s23)/(2*s134*s234*s34) + (s14*s23)/(2*s12*s234*s34) + 
   (D*s14*s23)/(4*s12*s234*s34) - (s14*s23)/(s123*s234*s34) + 
   (2*s14*s23)/(s124*s234*s34) - (2*s13*s14*s23)/(s12*s123*s234*s34) + 
   (D*s13*s14*s23)/(4*s12*s123*s234*s34) - (2*s13*s14*s23)/
    (s12*s124*s234*s34) + (D*s13*s14*s23)/(2*s12*s124*s234*s34) + 
   (4*s14*s23)/(s134*s234*s34) - (D*s14*s23)/(2*s134*s234*s34) - 
   (s14^2*s23)/(s12*s123*s234*s34) - (5*s23^2)/(2*s12*s234*s34) + 
   (D*s23^2)/(4*s12*s234*s34) + s23^2/(s123*s234*s34) + 
   (D*s23^2)/(4*s123*s234*s34) + (D*s23^2)/(2*s124*s234*s34) + 
   (D*s13*s23^2)/(2*s12*s123*s234*s34) - (4*s13*s23^2)/(s12*s124*s234*s34) + 
   (D*s13*s23^2)/(s12*s124*s234*s34) + (3*s23^2)/(s134*s234*s34) - 
   (D*s23^2)/(2*s134*s234*s34) + (D*s14*s23^2)/(4*s12*s123*s234*s34) - 
   (2*s14*s23^2)/(s12*s124*s234*s34) + (D*s14*s23^2)/(2*s12*s124*s234*s34) + 
   s23^3/(s12*s123*s234*s34) + (D*s23^3)/(4*s12*s123*s234*s34) - 
   (2*s23^3)/(s12*s124*s234*s34) + (D*s23^3)/(2*s12*s124*s234*s34) + 
   s24/(s12*s34) - (D*s24)/(2*s12*s34) + (D*s13*s24)/(4*s12*s123*s34) + 
   (s13*s24)/(2*s12*s124*s34) - (D*s13*s24)/(4*s12*s124*s34) - 
   (s13^2*s24)/(2*s12^2*s123*s34) - (s13^2*s24)/(2*s12^2*s124*s34) + 
   s24/(s134*s34) - (D*s24)/(2*s134*s34) + (s13*s24)/(2*s12*s134*s34) - 
   (D*s13*s24)/(4*s12*s134*s34) + (D*s13*s24)/(2*s123*s134*s34) + 
   (D*s13*s24)/(4*s124*s134*s34) - (2*s13^2*s24)/(s12*s123*s134*s34) + 
   (D*s13^2*s24)/(2*s12*s123*s134*s34) + (D*s13^2*s24)/
    (4*s12*s124*s134*s34) + (s14*s24)/(s12^2*s34) - 
   (s13*s14*s24)/(2*s12^2*s123*s34) - (s13*s14*s24)/(2*s12^2*s124*s34) + 
   (s14*s24)/(s12*s134*s34) - (D*s14*s24)/(4*s12*s134*s34) - 
   (2*s13*s14*s24)/(s12*s123*s134*s34) + (D*s13*s14*s24)/
    (2*s12*s123*s134*s34) + (D*s13*s14*s24)/(4*s12*s124*s134*s34) + 
   (2*s23*s24)/(s12^2*s34) - (s23*s24)/(s12*s123*s34) + 
   (D*s23*s24)/(4*s12*s123*s34) + (3*s23*s24)/(2*s12*s124*s34) - 
   (D*s23*s24)/(4*s12*s124*s34) - (s13*s23*s24)/(s12^2*s124*s34) + 
   (3*s23*s24)/(s12*s134*s34) - (D*s23*s24)/(2*s12*s134*s34) - 
   (2*s23*s24)/(s123*s134*s34) + (D*s23*s24)/(2*s123*s134*s34) - 
   (s23*s24)/(s124*s134*s34) + (D*s23*s24)/(4*s124*s134*s34) - 
   (6*s13*s23*s24)/(s12*s123*s134*s34) + (3*D*s13*s23*s24)/
    (2*s12*s123*s134*s34) - (2*s13*s23*s24)/(s12*s124*s134*s34) + 
   (3*D*s13*s23*s24)/(4*s12*s124*s134*s34) + 
   (s14*s23*s24)/(2*s12^2*s123*s34) - (s14*s23*s24)/(2*s12^2*s124*s34) - 
   (2*s14*s23*s24)/(s12*s123*s134*s34) + (D*s14*s23*s24)/
    (2*s12*s123*s134*s34) + (D*s14*s23*s24)/(4*s12*s124*s134*s34) - 
   (5*s23^2*s24)/(2*s12^2*s123*s34) - (s23^2*s24)/(2*s12^2*s124*s34) - 
   (4*s23^2*s24)/(s12*s123*s134*s34) + (D*s23^2*s24)/(s12*s123*s134*s34) - 
   (2*s23^2*s24)/(s12*s124*s134*s34) + (D*s23^2*s24)/(2*s12*s124*s134*s34) + 
   s24/(2*s234*s34) + (D*s13*s24)/(4*s12*s234*s34) + 
   (D*s13*s24)/(4*s123*s234*s34) - (2*s13*s24)/(s124*s234*s34) + 
   (D*s13*s24)/(2*s124*s234*s34) + (D*s13^2*s24)/(4*s12*s123*s234*s34) - 
   (2*s13^2*s24)/(s12*s124*s234*s34) + (D*s13^2*s24)/(2*s12*s124*s234*s34) + 
   (s12*s24)/(s134*s234*s34) - (D*s12*s24)/(2*s134*s234*s34) + 
   (2*s13*s24)/(s134*s234*s34) - (D*s13*s24)/(2*s134*s234*s34) + 
   (s14*s24)/(2*s12*s234*s34) + (D*s14*s24)/(4*s12*s234*s34) + 
   (D*s13*s14*s24)/(4*s12*s123*s234*s34) - (2*s13*s14*s24)/
    (s12*s124*s234*s34) + (D*s13*s14*s24)/(2*s12*s124*s234*s34) + 
   (2*s14*s24)/(s134*s234*s34) - (D*s14*s24)/(2*s134*s234*s34) + 
   (s23*s24)/(s12*s234*s34) + (D*s23*s24)/(2*s12*s234*s34) - 
   (s23*s24)/(s123*s234*s34) + (D*s23*s24)/(4*s123*s234*s34) + 
   (D*s23*s24)/(2*s124*s234*s34) - (2*s13*s23*s24)/(s12*s123*s234*s34) + 
   (3*D*s13*s23*s24)/(4*s12*s123*s234*s34) - 
   (6*s13*s23*s24)/(s12*s124*s234*s34) + (3*D*s13*s23*s24)/
    (2*s12*s124*s234*s34) + (5*s23*s24)/(s134*s234*s34) - 
   (D*s23*s24)/(s134*s234*s34) - (2*s14*s23*s24)/(s12*s123*s234*s34) + 
   (D*s14*s23*s24)/(4*s12*s123*s234*s34) - (2*s14*s23*s24)/
    (s12*s124*s234*s34) + (D*s14*s23*s24)/(2*s12*s124*s234*s34) + 
   (D*s23^2*s24)/(2*s12*s123*s234*s34) - (4*s23^2*s24)/(s12*s124*s234*s34) + 
   (D*s23^2*s24)/(s12*s124*s234*s34) + s24^2/(s12^2*s34) - 
   (s13*s24^2)/(2*s12^2*s123*s34) - (s13*s24^2)/(2*s12^2*s124*s34) + 
   s24^2/(s12*s134*s34) - (D*s24^2)/(4*s12*s134*s34) - 
   (2*s13*s24^2)/(s12*s123*s134*s34) + (D*s13*s24^2)/(2*s12*s123*s134*s34) + 
   (D*s13*s24^2)/(4*s12*s124*s134*s34) - (s23*s24^2)/(2*s12^2*s123*s34) - 
   (s23*s24^2)/(2*s12^2*s124*s34) - (2*s23*s24^2)/(s12*s123*s134*s34) + 
   (D*s23*s24^2)/(2*s12*s123*s134*s34) - (s23*s24^2)/(s12*s124*s134*s34) + 
   (D*s23*s24^2)/(4*s12*s124*s134*s34) + s24^2/(2*s12*s234*s34) + 
   (D*s24^2)/(4*s12*s234*s34) + (D*s13*s24^2)/(4*s12*s123*s234*s34) - 
   (2*s13*s24^2)/(s12*s124*s234*s34) + (D*s13*s24^2)/(2*s12*s124*s234*s34) + 
   (2*s24^2)/(s134*s234*s34) - (D*s24^2)/(2*s134*s234*s34) - 
   (s23*s24^2)/(s12*s123*s234*s34) + (D*s23*s24^2)/(4*s12*s123*s234*s34) - 
   (2*s23*s24^2)/(s12*s124*s234*s34) + (D*s23*s24^2)/(2*s12*s124*s234*s34) - 
   (D*s34)/(4*s12*s123) - (D*s34)/(4*s12*s124) - s34/(s123*s124) + 
   (s13*s34)/(s12*s123*s124) - (D*s13*s34)/(2*s12*s123*s124) + 
   (2*s34)/(s123*s134) - (D*s34)/(2*s123*s134) + (D*s34)/(4*s124*s134) - 
   (s14*s34)/(s12*s123*s124) + (s23*s34)/(2*s12^2*s123) + 
   (2*s23*s34)/(s12*s123*s124) - (D*s23*s34)/(2*s12*s123*s124) + 
   (2*s23*s34)/(s12*s123*s134) + (s14*s23*s34)/(s12^2*s123*s124) + 
   (D*s34)/(4*s123*s234) + (2*s34)/(s124*s234) - (D*s34)/(2*s124*s234) + 
   (s24*s34)/(2*s12^2*s124) - (s24*s34)/(s12*s123*s124) - 
   (s23*s24*s34)/(s12^2*s123*s124) + (2*s24*s34)/(s12*s124*s234) - 
   s34^2/(s12*s123*s124) - (s23*z1)/(s12^2*z12) - 
   (3*s23*z1)/(2*s12*s123*z12) - (s23*z1)/(s12*s124*z12) - 
   (s23*z1)/(s123*s124*z12) - (3*s13*s23*z1)/(2*s12^2*s123*z12) - 
   (s13*s23*z1)/(s12*s123*s124*z12) - (3*s14*s23*z1)/(2*s12^2*s123*z12) - 
   (2*s14*s23*z1)/(s12*s123*s124*z12) - (s13*s14*s23*z1)/
    (s12^2*s123*s124*z12) - (s14^2*s23*z1)/(s12^2*s123*s124*z12) - 
   (3*s23^2*z1)/(2*s12^2*s123*z12) - (s23^2*z1)/(s12*s123*s124*z12) - 
   (s14*s23^2*z1)/(s12^2*s123*s124*z12) - (s23*z1)/(2*s12*s234*z12) - 
   (s24*z1)/(s12^2*z12) - (s24*z1)/(2*s12*s124*z12) + 
   (s13*s24*z1)/(2*s12^2*s123*z12) - (s14*s24*z1)/(2*s12^2*s124*z12) - 
   (s23*s24*z1)/(s12^2*s123*z12) - (2*s23*s24*z1)/(s12*s123*s124*z12) - 
   (s13*s23*s24*z1)/(s12^2*s123*s124*z12) - (2*s14*s23*s24*z1)/
    (s12^2*s123*s124*z12) - (s23^2*s24*z1)/(s12^2*s123*s124*z12) - 
   (s24*z1)/(2*s12*s234*z12) - (s24^2*z1)/(2*s12^2*s124*z12) - 
   (s23*s24^2*z1)/(s12^2*s123*s124*z12) - (s23*z1)/(s34^2*z12) - 
   (s13*s23*z1)/(s12*s34^2*z12) + (s13*s23*z1)/(4*s134*s34^2*z12) + 
   (s13^2*s23*z1)/(4*s12*s134*s34^2*z12) - (2*s14*s23*z1)/(s12*s34^2*z12) - 
   (s13*s14*s23*z1)/(s12^2*s34^2*z12) - (s14*s23*z1)/(4*s134*s34^2*z12) - 
   (s14^2*s23*z1)/(s12^2*s34^2*z12) - (s14^2*s23*z1)/(4*s12*s134*s34^2*z12) - 
   (s23^2*z1)/(s12*s34^2*z12) + (s23^2*z1)/(4*s134*s34^2*z12) + 
   (s13*s23^2*z1)/(2*s12*s134*s34^2*z12) - (s14*s23^2*z1)/(s12^2*s34^2*z12) + 
   (s23^3*z1)/(4*s12*s134*s34^2*z12) + (s13*s23*z1)/(4*s234*s34^2*z12) + 
   (s13^2*s23*z1)/(4*s12*s234*s34^2*z12) - (s14*s23*z1)/(4*s234*s34^2*z12) - 
   (s14^2*s23*z1)/(4*s12*s234*s34^2*z12) + (s23^2*z1)/(4*s234*s34^2*z12) + 
   (s13*s23^2*z1)/(2*s12*s234*s34^2*z12) + 
   (s23^3*z1)/(4*s12*s234*s34^2*z12) + (s13*s24*z1)/(s12*s34^2*z12) + 
   (s13^2*s24*z1)/(s12^2*s34^2*z12) + (s13*s14*s24*z1)/(s12^2*s34^2*z12) - 
   (s23*s24*z1)/(s12*s34^2*z12) + (s13*s23*s24*z1)/(s12^2*s34^2*z12) - 
   (s23*s24*z1)/(4*s134*s34^2*z12) - (s14*s23*s24*z1)/(s12^2*s34^2*z12) - 
   (s14*s23*s24*z1)/(2*s12*s134*s34^2*z12) - 
   (s23*s24*z1)/(4*s234*s34^2*z12) - (s14*s23*s24*z1)/
    (2*s12*s234*s34^2*z12) + (s13*s24^2*z1)/(s12^2*s34^2*z12) - 
   (s23*s24^2*z1)/(4*s12*s134*s34^2*z12) - 
   (s23*s24^2*z1)/(4*s12*s234*s34^2*z12) - (2*s23*z1)/(s12*s34*z12) - 
   (s23*z1)/(s123*s34*z12) - (s23*z1)/(s124*s34*z12) - 
   (s13*s23*z1)/(s12^2*s34*z12) - (2*s13*s23*z1)/(s12*s123*s34*z12) - 
   (s13*s23*z1)/(s12*s124*s34*z12) - (s13^2*s23*z1)/(s12^2*s123*s34*z12) + 
   (s13*s23*z1)/(4*s12*s134*s34*z12) - (2*s14*s23*z1)/(s12^2*s34*z12) - 
   (2*s14*s23*z1)/(s12*s123*s34*z12) - (s14*s23*z1)/(s12*s124*s34*z12) - 
   (2*s13*s14*s23*z1)/(s12^2*s123*s34*z12) - 
   (s14*s23*z1)/(4*s12*s134*s34*z12) - (s14^2*s23*z1)/(s12^2*s123*s34*z12) - 
   (s23^2*z1)/(s12^2*s34*z12) - (2*s23^2*z1)/(s12*s123*s34*z12) - 
   (s23^2*z1)/(s12*s124*s34*z12) - (2*s13*s23^2*z1)/(s12^2*s123*s34*z12) + 
   (s23^2*z1)/(4*s12*s134*s34*z12) - (2*s14*s23^2*z1)/(s12^2*s123*s34*z12) - 
   (s23^3*z1)/(s12^2*s123*s34*z12) - (s23*z1)/(2*s234*s34*z12) - 
   (s13*s23*z1)/(4*s12*s234*s34*z12) - (3*s14*s23*z1)/(4*s12*s234*s34*z12) - 
   (s23^2*z1)/(4*s12*s234*s34*z12) - (s24*z1)/(s12*s34*z12) + 
   (s13*s24*z1)/(2*s12*s123*s34*z12) + (s13*s24*z1)/(2*s12*s124*s34*z12) + 
   (s13^2*s24*z1)/(2*s12^2*s123*s34*z12) + 
   (s13^2*s24*z1)/(2*s12^2*s124*s34*z12) - (s14*s24*z1)/(s12^2*s34*z12) + 
   (s13*s14*s24*z1)/(2*s12^2*s123*s34*z12) + (s13*s14*s24*z1)/
    (2*s12^2*s124*s34*z12) - (2*s23*s24*z1)/(s12^2*s34*z12) - 
   (3*s23*s24*z1)/(2*s12*s123*s34*z12) - (s23*s24*z1)/(2*s12*s124*s34*z12) - 
   (s13*s23*s24*z1)/(s12^2*s123*s34*z12) + (s13*s23*s24*z1)/
    (s12^2*s124*s34*z12) - (s23*s24*z1)/(4*s12*s134*s34*z12) - 
   (3*s14*s23*s24*z1)/(2*s12^2*s123*s34*z12) + 
   (s14*s23*s24*z1)/(2*s12^2*s124*s34*z12) - (3*s23^2*s24*z1)/
    (2*s12^2*s123*s34*z12) + (s23^2*s24*z1)/(2*s12^2*s124*s34*z12) - 
   (s24*z1)/(2*s234*s34*z12) - (s13*s24*z1)/(2*s12*s234*s34*z12) - 
   (s14*s24*z1)/(2*s12*s234*s34*z12) - (5*s23*s24*z1)/(4*s12*s234*s34*z12) - 
   (s24^2*z1)/(s12^2*s34*z12) + (s13*s24^2*z1)/(2*s12^2*s123*s34*z12) + 
   (s13*s24^2*z1)/(2*s12^2*s124*s34*z12) - 
   (s23*s24^2*z1)/(2*s12^2*s123*s34*z12) + 
   (s23*s24^2*z1)/(2*s12^2*s124*s34*z12) - (s24^2*z1)/(2*s12*s234*s34*z12) - 
   (s23*s34*z1)/(2*s12^2*s123*z12) - (s23*s34*z1)/(s12*s123*s124*z12) - 
   (s14*s23*s34*z1)/(s12^2*s123*s124*z12) - (s24*s34*z1)/(2*s12^2*s124*z12) - 
   (s23*s24*s34*z1)/(s12^2*s123*s124*z12) + (z1*z2)/(s123*z12^2) + 
   (z1*z2)/(s124*z12^2) + (2*s13*z1*z2)/(s12^2*z12^2) + 
   (s13*z1*z2)/(s12*s123*z12^2) + (2*s14*z1*z2)/(s12^2*z12^2) + 
   (s14*z1*z2)/(s12*s123*z12^2) + (2*s14*z1*z2)/(s12*s124*z12^2) + 
   (s13*s14*z1*z2)/(s12^2*s123*z12^2) + (s14^2*z1*z2)/(s12^2*s124*z12^2) + 
   (2*s23*z1*z2)/(s12^2*z12^2) + (s23*z1*z2)/(s12*s123*z12^2) + 
   (s14*s23*z1*z2)/(s12^2*s123*z12^2) + (2*s24*z1*z2)/(s12^2*z12^2) + 
   (s24*z1*z2)/(s12*s123*z12^2) + (2*s24*z1*z2)/(s12*s124*z12^2) + 
   (s13*s24*z1*z2)/(s12^2*s123*z12^2) + (2*s14*s24*z1*z2)/
    (s12^2*s124*z12^2) + (s23*s24*z1*z2)/(s12^2*s123*z12^2) + 
   (s24^2*z1*z2)/(s12^2*s124*z12^2) - (2*s13*z1*z2)/(s34^2*z12^2) - 
   (4*s13^2*z1*z2)/(s12*s34^2*z12^2) - (2*s13^3*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*s13*s14*z1*z2)/(s12*s34^2*z12^2) - (2*s13^2*s14*z1*z2)/
    (s12^2*s34^2*z12^2) - (2*s23*z1*z2)/(s34^2*z12^2) - 
   (8*s13*s23*z1*z2)/(s12*s34^2*z12^2) - (6*s13^2*s23*z1*z2)/
    (s12^2*s34^2*z12^2) - (2*s14*s23*z1*z2)/(s12*s34^2*z12^2) - 
   (4*s13*s14*s23*z1*z2)/(s12^2*s34^2*z12^2) - 
   (4*s23^2*z1*z2)/(s12*s34^2*z12^2) - (6*s13*s23^2*z1*z2)/
    (s12^2*s34^2*z12^2) - (2*s14*s23^2*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*s23^3*z1*z2)/(s12^2*s34^2*z12^2) - (2*s13*s24*z1*z2)/
    (s12*s34^2*z12^2) - (2*s13^2*s24*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*s23*s24*z1*z2)/(s12*s34^2*z12^2) - (4*s13*s23*s24*z1*z2)/
    (s12^2*s34^2*z12^2) - (2*s23^2*s24*z1*z2)/(s12^2*s34^2*z12^2) - 
   (s13*z1*z2)/(s123*s34*z12^2) - (s13*z1*z2)/(s124*s34*z12^2) - 
   (2*s13^2*z1*z2)/(s12*s123*s34*z12^2) - 
   (s13^2*z1*z2)/(s12*s124*s34*z12^2) - (s13^3*z1*z2)/
    (s12^2*s123*s34*z12^2) + (2*s14*z1*z2)/(s12*s34*z12^2) + 
   (4*s13*s14*z1*z2)/(s12^2*s34*z12^2) - (s13*s14*z1*z2)/
    (s12*s123*s34*z12^2) - (2*s13*s14*z1*z2)/(s12*s124*s34*z12^2) - 
   (s13^2*s14*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s13^2*s14*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (2*s14^2*z1*z2)/(s12^2*s34*z12^2) - (s13*s14^2*z1*z2)/
    (s12^2*s124*s34*z12^2) - (s23*z1*z2)/(s123*s34*z12^2) - 
   (s23*z1*z2)/(s124*s34*z12^2) - (4*s13*s23*z1*z2)/(s12*s123*s34*z12^2) - 
   (2*s13*s23*z1*z2)/(s12*s124*s34*z12^2) - (3*s13^2*s23*z1*z2)/
    (s12^2*s123*s34*z12^2) + (4*s14*s23*z1*z2)/(s12^2*s34*z12^2) - 
   (s14*s23*z1*z2)/(s12*s123*s34*z12^2) - (2*s14*s23*z1*z2)/
    (s12*s124*s34*z12^2) - (2*s13*s14*s23*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s13*s14*s23*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (s14^2*s23*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (2*s23^2*z1*z2)/(s12*s123*s34*z12^2) - 
   (s23^2*z1*z2)/(s12*s124*s34*z12^2) - (3*s13*s23^2*z1*z2)/
    (s12^2*s123*s34*z12^2) - (s14*s23^2*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s14*s23^2*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (s23^3*z1*z2)/(s12^2*s123*s34*z12^2) + (2*s24*z1*z2)/(s12*s34*z12^2) + 
   (4*s13*s24*z1*z2)/(s12^2*s34*z12^2) - (s13*s24*z1*z2)/
    (s12*s123*s34*z12^2) - (2*s13*s24*z1*z2)/(s12*s124*s34*z12^2) - 
   (s13^2*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s13^2*s24*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (4*s14*s24*z1*z2)/(s12^2*s34*z12^2) - (2*s13*s14*s24*z1*z2)/
    (s12^2*s124*s34*z12^2) + (4*s23*s24*z1*z2)/(s12^2*s34*z12^2) - 
   (s23*s24*z1*z2)/(s12*s123*s34*z12^2) - (2*s23*s24*z1*z2)/
    (s12*s124*s34*z12^2) - (2*s13*s23*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s13*s23*s24*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (2*s14*s23*s24*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (s23^2*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s23^2*s24*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (2*s24^2*z1*z2)/(s12^2*s34*z12^2) - (s13*s24^2*z1*z2)/
    (s12^2*s124*s34*z12^2) - (s23*s24^2*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (s34*z1*z2)/(s12*s123*z12^2) + (s34*z1*z2)/(s12*s124*z12^2) + 
   (s13*s34*z1*z2)/(s12^2*s123*z12^2) + (s14*s34*z1*z2)/(s12^2*s124*z12^2) + 
   (s23*s34*z1*z2)/(s12^2*s123*z12^2) + (s24*s34*z1*z2)/(s12^2*s124*z12^2) + 
   z2/(s12*z12) - (2*s13*z2)/(s12^2*z12) - (s12*z2)/(s123*s134*z12) + 
   (s12*z2)/(2*s124*s134*z12) - (3*s13*z2)/(4*s12*s134*z12) - 
   (s13*z2)/(2*s124*s134*z12) + (s13^2*z2)/(s12*s123*s134*z12) - 
   (2*s14*z2)/(s12^2*z12) - (s14*z2)/(s12*s124*z12) - 
   (s13*s14*z2)/(s12^2*s123*z12) - (3*s14*z2)/(4*s12*s134*z12) - 
   (s14*z2)/(s123*s134*z12) + (s14*z2)/(s124*s134*z12) - 
   (s13*s14*z2)/(s12*s123*s134*z12) - (s13*s14*z2)/(2*s12*s124*s134*z12) - 
   (s14^2*z2)/(s12^2*s124*z12) + (s14^2*z2)/(2*s12*s124*s134*z12) - 
   (s23*z2)/(s12^2*z12) + (3*s23*z2)/(2*s12*s123*z12) + 
   (s23*z2)/(s12*s124*z12) + (s23*z2)/(s123*s124*z12) + 
   (3*s13*s23*z2)/(2*s12^2*s123*z12) + (s13*s23*z2)/(s12*s123*s124*z12) - 
   (s23*z2)/(4*s12*s134*z12) - (2*s23*z2)/(s123*s134*z12) + 
   (s23*z2)/(2*s124*s134*z12) + (s14*s23*z2)/(2*s12^2*s123*z12) + 
   (2*s14*s23*z2)/(s12*s123*s124*z12) + (s13*s14*s23*z2)/
    (s12^2*s123*s124*z12) - (s14*s23*z2)/(s12*s123*s134*z12) + 
   (s14*s23*z2)/(2*s12*s124*s134*z12) + (s14^2*s23*z2)/
    (s12^2*s123*s124*z12) + (3*s23^2*z2)/(2*s12^2*s123*z12) + 
   (s23^2*z2)/(s12*s123*s124*z12) - (s23^2*z2)/(s12*s123*s134*z12) + 
   (s14*s23^2*z2)/(s12^2*s123*s124*z12) + (s12*z2)/(2*s123*s234*z12) - 
   (s12*z2)/(s124*s234*z12) - (3*s13*z2)/(4*s12*s234*z12) + 
   (s13*z2)/(s123*s234*z12) - (s13*z2)/(s124*s234*z12) + 
   (s13^2*z2)/(2*s12*s123*s234*z12) - (3*s14*z2)/(4*s12*s234*z12) + 
   (s14*z2)/(2*s123*s234*z12) - (2*s14*z2)/(s124*s234*z12) + 
   (s13*s14*z2)/(2*s12*s123*s234*z12) - (s13*s14*z2)/(s12*s124*s234*z12) - 
   (s14^2*z2)/(s12*s124*s234*z12) - (3*s23*z2)/(4*s12*s234*z12) + 
   (s23*z2)/(s124*s234*z12) + (s14*s23*z2)/(2*s12*s123*s234*z12) + 
   (s14*s23*z2)/(s12*s124*s234*z12) - (s23^2*z2)/(2*s12*s123*s234*z12) - 
   (s24*z2)/(s12^2*z12) - (s24*z2)/(2*s12*s124*z12) - 
   (3*s13*s24*z2)/(2*s12^2*s123*z12) - (s24*z2)/(4*s12*s134*z12) - 
   (s24*z2)/(s123*s134*z12) + (s24*z2)/(s124*s134*z12) - 
   (s13*s24*z2)/(s12*s123*s134*z12) - (s13*s24*z2)/(2*s12*s124*s134*z12) - 
   (3*s14*s24*z2)/(2*s12^2*s124*z12) + (s14*s24*z2)/(s12*s124*s134*z12) + 
   (2*s23*s24*z2)/(s12*s123*s124*z12) + (s13*s23*s24*z2)/
    (s12^2*s123*s124*z12) - (s23*s24*z2)/(s12*s123*s134*z12) + 
   (s23*s24*z2)/(2*s12*s124*s134*z12) + (2*s14*s23*s24*z2)/
    (s12^2*s123*s124*z12) + (s23^2*s24*z2)/(s12^2*s123*s124*z12) - 
   (3*s24*z2)/(4*s12*s234*z12) + (s24*z2)/(2*s123*s234*z12) - 
   (2*s24*z2)/(s124*s234*z12) + (s13*s24*z2)/(2*s12*s123*s234*z12) - 
   (s13*s24*z2)/(s12*s124*s234*z12) - (2*s14*s24*z2)/(s12*s124*s234*z12) + 
   (s23*s24*z2)/(2*s12*s123*s234*z12) + (s23*s24*z2)/(s12*s124*s234*z12) - 
   (s24^2*z2)/(2*s12^2*s124*z12) + (s24^2*z2)/(2*s12*s124*s134*z12) + 
   (s23*s24^2*z2)/(s12^2*s123*s124*z12) - (s24^2*z2)/(s12*s124*s234*z12) + 
   (s13*z2)/(s34^2*z12) + (3*s13^2*z2)/(s12*s34^2*z12) + 
   (2*s13^3*z2)/(s12^2*s34^2*z12) + (s12*s13*z2)/(s134*s34^2*z12) + 
   (9*s13^2*z2)/(4*s134*s34^2*z12) + (5*s13^3*z2)/(4*s12*s134*s34^2*z12) + 
   (s13*s14*z2)/(s12*s34^2*z12) + (2*s13^2*s14*z2)/(s12^2*s34^2*z12) + 
   (3*s13*s14*z2)/(4*s134*s34^2*z12) + (s13^2*s14*z2)/(s12*s134*s34^2*z12) - 
   (s13*s14^2*z2)/(4*s12*s134*s34^2*z12) + (2*s23*z2)/(s34^2*z12) + 
   (7*s13*s23*z2)/(s12*s34^2*z12) + (6*s13^2*s23*z2)/(s12^2*s34^2*z12) + 
   (9*s13*s23*z2)/(4*s134*s34^2*z12) + (5*s13^2*s23*z2)/
    (2*s12*s134*s34^2*z12) + (3*s14*s23*z2)/(s12*s34^2*z12) + 
   (5*s13*s14*s23*z2)/(s12^2*s34^2*z12) - (s14*s23*z2)/(2*s134*s34^2*z12) + 
   (s13*s14*s23*z2)/(2*s12*s134*s34^2*z12) + 
   (s14^2*s23*z2)/(s12^2*s34^2*z12) - (s14^2*s23*z2)/(2*s12*s134*s34^2*z12) + 
   (4*s23^2*z2)/(s12*s34^2*z12) + (6*s13*s23^2*z2)/(s12^2*s34^2*z12) + 
   (5*s13*s23^2*z2)/(4*s12*s134*s34^2*z12) + (3*s14*s23^2*z2)/
    (s12^2*s34^2*z12) - (s14*s23^2*z2)/(2*s12*s134*s34^2*z12) + 
   (2*s23^3*z2)/(s12^2*s34^2*z12) + (s13^2*z2)/(4*s234*s34^2*z12) + 
   (s13^3*z2)/(4*s12*s234*s34^2*z12) - (s13*s14*z2)/(4*s234*s34^2*z12) - 
   (s13*s14^2*z2)/(4*s12*s234*s34^2*z12) + (s12*s23*z2)/(s234*s34^2*z12) + 
   (9*s13*s23*z2)/(4*s234*s34^2*z12) + (3*s13^2*s23*z2)/
    (2*s12*s234*s34^2*z12) + (3*s14*s23*z2)/(2*s234*s34^2*z12) + 
   (3*s13*s14*s23*z2)/(2*s12*s234*s34^2*z12) + 
   (s14^2*s23*z2)/(2*s12*s234*s34^2*z12) + (2*s23^2*z2)/(s234*s34^2*z12) + 
   (9*s13*s23^2*z2)/(4*s12*s234*s34^2*z12) + (3*s14*s23^2*z2)/
    (2*s12*s234*s34^2*z12) + (s23^3*z2)/(s12*s234*s34^2*z12) + 
   (s13^2*s24*z2)/(s12^2*s34^2*z12) + (5*s13*s24*z2)/(4*s134*s34^2*z12) + 
   (3*s13^2*s24*z2)/(2*s12*s134*s34^2*z12) - (s13*s14*s24*z2)/
    (s12^2*s34^2*z12) + (2*s23*s24*z2)/(s12*s34^2*z12) + 
   (3*s13*s23*s24*z2)/(s12^2*s34^2*z12) + (3*s13*s23*s24*z2)/
    (2*s12*s134*s34^2*z12) + (s14*s23*s24*z2)/(s12^2*s34^2*z12) - 
   (s14*s23*s24*z2)/(2*s12*s134*s34^2*z12) + (2*s23^2*s24*z2)/
    (s12^2*s34^2*z12) - (3*s13*s24*z2)/(4*s234*s34^2*z12) - 
   (s13^2*s24*z2)/(2*s12*s234*s34^2*z12) - (s13*s14*s24*z2)/
    (s12*s234*s34^2*z12) + (s23*s24*z2)/(s234*s34^2*z12) + 
   (s13*s23*s24*z2)/(2*s12*s234*s34^2*z12) + (s14*s23*s24*z2)/
    (2*s12*s234*s34^2*z12) + (s23^2*s24*z2)/(s12*s234*s34^2*z12) - 
   (s13*s24^2*z2)/(s12^2*s34^2*z12) + (s13*s24^2*z2)/(4*s12*s134*s34^2*z12) - 
   (3*s13*s24^2*z2)/(4*s12*s234*s34^2*z12) + z2/(s34*z12) + 
   (s13*z2)/(s123*s34*z12) + (2*s13^2*z2)/(s12*s123*s34*z12) + 
   (s13^3*z2)/(s12^2*s123*s34*z12) + (s13*z2)/(4*s134*s34*z12) + 
   (2*s12*s13*z2)/(s123*s134*s34*z12) - (s12*s13*z2)/(s124*s134*s34*z12) + 
   (s13^2*z2)/(2*s12*s134*s34*z12) + (4*s13^2*z2)/(s123*s134*s34*z12) - 
   (s13^2*z2)/(s124*s134*s34*z12) + (2*s13^3*z2)/(s12*s123*s134*s34*z12) - 
   (s14*z2)/(s12*s34*z12) - (4*s13*s14*z2)/(s12^2*s34*z12) + 
   (s13*s14*z2)/(s12*s123*s34*z12) + (s13*s14*z2)/(s12*s124*s34*z12) + 
   (s13^2*s14*z2)/(s12^2*s123*s34*z12) + (s13^2*s14*z2)/
    (s12^2*s124*s34*z12) - (3*s14*z2)/(4*s134*s34*z12) - 
   (7*s13*s14*z2)/(4*s12*s134*s34*z12) + (2*s13*s14*z2)/(s123*s134*s34*z12) - 
   (2*s13*s14*z2)/(s124*s134*s34*z12) + (2*s13^2*s14*z2)/
    (s12*s123*s134*s34*z12) - (s13^2*s14*z2)/(s12*s124*s134*s34*z12) - 
   (2*s14^2*z2)/(s12^2*s34*z12) + (s13*s14^2*z2)/(s12^2*s124*s34*z12) - 
   (3*s14^2*z2)/(4*s12*s134*s34*z12) - (s13*s14^2*z2)/
    (s12*s124*s134*s34*z12) + (2*s23*z2)/(s12*s34*z12) + 
   (2*s23*z2)/(s123*s34*z12) + (s23*z2)/(s124*s34*z12) + 
   (s13*s23*z2)/(s12^2*s34*z12) + (6*s13*s23*z2)/(s12*s123*s34*z12) + 
   (s13*s23*z2)/(s12*s124*s34*z12) + (4*s13^2*s23*z2)/(s12^2*s123*s34*z12) - 
   (s23*z2)/(4*s134*s34*z12) + (s13*s23*z2)/(4*s12*s134*s34*z12) + 
   (4*s13*s23*z2)/(s123*s134*s34*z12) - (s13*s23*z2)/(s124*s134*s34*z12) + 
   (4*s13^2*s23*z2)/(s12*s123*s134*s34*z12) - 
   (2*s14*s23*z2)/(s12^2*s34*z12) + (3*s14*s23*z2)/(s12*s123*s34*z12) + 
   (2*s14*s23*z2)/(s12*s124*s34*z12) + (4*s13*s14*s23*z2)/
    (s12^2*s123*s34*z12) + (2*s13*s14*s23*z2)/(s12^2*s124*s34*z12) - 
   (3*s14*s23*z2)/(2*s12*s134*s34*z12) + (2*s13*s14*s23*z2)/
    (s12*s123*s134*s34*z12) - (s13*s14*s23*z2)/(s12*s124*s134*s34*z12) + 
   (s14^2*s23*z2)/(s12^2*s123*s34*z12) + (s14^2*s23*z2)/
    (s12^2*s124*s34*z12) + (s23^2*z2)/(s12^2*s34*z12) + 
   (4*s23^2*z2)/(s12*s123*s34*z12) + (s23^2*z2)/(s12*s124*s34*z12) + 
   (5*s13*s23^2*z2)/(s12^2*s123*s34*z12) - (s23^2*z2)/(4*s12*s134*s34*z12) + 
   (2*s13*s23^2*z2)/(s12*s123*s134*s34*z12) + 
   (3*s14*s23^2*z2)/(s12^2*s123*s34*z12) + 
   (s14*s23^2*z2)/(s12^2*s124*s34*z12) + (2*s23^3*z2)/(s12^2*s123*s34*z12) - 
   (3*s13*z2)/(4*s234*s34*z12) - (s13^2*z2)/(2*s12*s234*s34*z12) - 
   (3*s14*z2)/(4*s234*s34*z12) - (7*s13*s14*z2)/(4*s12*s234*s34*z12) - 
   (3*s14^2*z2)/(4*s12*s234*s34*z12) + (s23*z2)/(4*s234*s34*z12) - 
   (s12*s23*z2)/(s123*s234*s34*z12) + (2*s12*s23*z2)/(s124*s234*s34*z12) - 
   (s13*s23*z2)/(4*s12*s234*s34*z12) - (2*s13*s23*z2)/(s123*s234*s34*z12) + 
   (2*s13*s23*z2)/(s124*s234*s34*z12) - (s13^2*s23*z2)/
    (s12*s123*s234*s34*z12) - (s14*s23*z2)/(s12*s234*s34*z12) - 
   (s14*s23*z2)/(s123*s234*s34*z12) + (4*s14*s23*z2)/(s124*s234*s34*z12) - 
   (s13*s14*s23*z2)/(s12*s123*s234*s34*z12) + (2*s13*s14*s23*z2)/
    (s12*s124*s234*s34*z12) + (2*s14^2*s23*z2)/(s12*s124*s234*s34*z12) + 
   (s23^2*z2)/(4*s12*s234*s34*z12) - (2*s23^2*z2)/(s123*s234*s34*z12) + 
   (2*s23^2*z2)/(s124*s234*s34*z12) - (2*s13*s23^2*z2)/
    (s12*s123*s234*s34*z12) - (s14*s23^2*z2)/(s12*s123*s234*s34*z12) + 
   (2*s14*s23^2*z2)/(s12*s124*s234*s34*z12) - 
   (s23^3*z2)/(s12*s123*s234*s34*z12) - (4*s13*s24*z2)/(s12^2*s34*z12) + 
   (s13*s24*z2)/(2*s12*s123*s34*z12) + (s13*s24*z2)/(2*s12*s124*s34*z12) + 
   (s13^2*s24*z2)/(2*s12^2*s123*s34*z12) + 
   (s13^2*s24*z2)/(2*s12^2*s124*s34*z12) - (s24*z2)/(4*s134*s34*z12) - 
   (3*s13*s24*z2)/(4*s12*s134*s34*z12) + (2*s13*s24*z2)/(s123*s134*s34*z12) - 
   (2*s13*s24*z2)/(s124*s134*s34*z12) + (2*s13^2*s24*z2)/
    (s12*s123*s134*s34*z12) - (s13^2*s24*z2)/(s12*s124*s134*s34*z12) - 
   (3*s14*s24*z2)/(s12^2*s34*z12) - (s13*s14*s24*z2)/(2*s12^2*s123*s34*z12) + 
   (3*s13*s14*s24*z2)/(2*s12^2*s124*s34*z12) - 
   (s14*s24*z2)/(s12*s134*s34*z12) - (2*s13*s14*s24*z2)/
    (s12*s124*s134*s34*z12) - (2*s23*s24*z2)/(s12^2*s34*z12) + 
   (5*s23*s24*z2)/(2*s12*s123*s34*z12) + (3*s23*s24*z2)/
    (2*s12*s124*s34*z12) + (3*s13*s23*s24*z2)/(s12^2*s123*s34*z12) + 
   (s13*s23*s24*z2)/(s12^2*s124*s34*z12) - 
   (s23*s24*z2)/(2*s12*s134*s34*z12) + (2*s13*s23*s24*z2)/
    (s12*s123*s134*s34*z12) - (s13*s23*s24*z2)/(s12*s124*s134*s34*z12) + 
   (3*s14*s23*s24*z2)/(2*s12^2*s123*s34*z12) + 
   (3*s14*s23*s24*z2)/(2*s12^2*s124*s34*z12) + 
   (5*s23^2*s24*z2)/(2*s12^2*s123*s34*z12) + 
   (s23^2*s24*z2)/(2*s12^2*s124*s34*z12) - (3*s24*z2)/(4*s234*s34*z12) - 
   (9*s13*s24*z2)/(4*s12*s234*s34*z12) - (3*s14*s24*z2)/
    (2*s12*s234*s34*z12) - (3*s23*s24*z2)/(2*s12*s234*s34*z12) - 
   (s23*s24*z2)/(s123*s234*s34*z12) + (4*s23*s24*z2)/(s124*s234*s34*z12) - 
   (s13*s23*s24*z2)/(s12*s123*s234*s34*z12) + (2*s13*s23*s24*z2)/
    (s12*s124*s234*s34*z12) + (4*s14*s23*s24*z2)/(s12*s124*s234*s34*z12) - 
   (s23^2*s24*z2)/(s12*s123*s234*s34*z12) + (2*s23^2*s24*z2)/
    (s12*s124*s234*s34*z12) - (s24^2*z2)/(s12^2*s34*z12) - 
   (s13*s24^2*z2)/(2*s12^2*s123*s34*z12) + 
   (s13*s24^2*z2)/(2*s12^2*s124*s34*z12) - (s24^2*z2)/(4*s12*s134*s34*z12) - 
   (s13*s24^2*z2)/(s12*s124*s134*s34*z12) + 
   (s23*s24^2*z2)/(2*s12^2*s123*s34*z12) + 
   (s23*s24^2*z2)/(2*s12^2*s124*s34*z12) - 
   (3*s24^2*z2)/(4*s12*s234*s34*z12) + (2*s23*s24^2*z2)/
    (s12*s124*s234*s34*z12) - (s13*s34*z2)/(s12^2*s123*z12) - 
   (s34*z2)/(s123*s134*z12) + (s34*z2)/(2*s124*s134*z12) - 
   (s13*s34*z2)/(s12*s123*s134*z12) - (s14*s34*z2)/(s12^2*s124*z12) + 
   (s14*s34*z2)/(2*s12*s124*s134*z12) - (s23*s34*z2)/(2*s12^2*s123*z12) + 
   (s23*s34*z2)/(s12*s123*s124*z12) - (s23*s34*z2)/(s12*s123*s134*z12) + 
   (s14*s23*s34*z2)/(s12^2*s123*s124*z12) + (s34*z2)/(2*s123*s234*z12) - 
   (s34*z2)/(s124*s234*z12) + (s13*s34*z2)/(2*s12*s123*s234*z12) - 
   (s14*s34*z2)/(s12*s124*s234*z12) + (s23*s34*z2)/(2*s12*s123*s234*z12) - 
   (s24*s34*z2)/(2*s12^2*s124*z12) + (s24*s34*z2)/(2*s12*s124*s134*z12) + 
   (s23*s24*s34*z2)/(s12^2*s123*s124*z12) - 
   (s24*s34*z2)/(s12*s124*s234*z12) + z3/(s12*z12) + (3*z3)/(2*s123*z12) + 
   z3/(s124*z12) + (s12*z3)/(s123*s124*z12) + (3*s13*z3)/(2*s12*s123*z12) + 
   (s13*z3)/(s123*s124*z12) + (3*s14*z3)/(2*s12*s123*z12) + 
   (2*s14*z3)/(s123*s124*z12) + (s13*s14*z3)/(s12*s123*s124*z12) + 
   (s14^2*z3)/(s12*s123*s124*z12) + (3*s23*z3)/(2*s12*s123*z12) + 
   (s23*z3)/(s123*s124*z12) + (s14*s23*z3)/(s12*s123*s124*z12) + 
   z3/(2*s234*z12) + (3*s24*z3)/(2*s12*s123*z12) + 
   (2*s24*z3)/(s123*s124*z12) + (s13*s24*z3)/(s12*s123*s124*z12) + 
   (s24*z3)/(s123*s134*z12) - (s24*z3)/(2*s124*s134*z12) + 
   (s13*s24*z3)/(s12*s123*s134*z12) + (2*s14*s24*z3)/(s12*s123*s124*z12) - 
   (s14*s24*z3)/(2*s12*s124*s134*z12) + (s23*s24*z3)/(s12*s123*s124*z12) + 
   (s23*s24*z3)/(s12*s123*s134*z12) + (s24*z3)/(2*s123*s234*z12) - 
   (s24*z3)/(s124*s234*z12) + (s13*s24*z3)/(2*s12*s123*s234*z12) - 
   (s14*s24*z3)/(s12*s124*s234*z12) + (s23*s24*z3)/(2*s12*s123*s234*z12) + 
   (s24^2*z3)/(s12*s123*s124*z12) - (s24^2*z3)/(2*s12*s124*s134*z12) - 
   (s24^2*z3)/(s12*s124*s234*z12) + (s12*z3)/(s34^2*z12) + 
   (s13*z3)/(s34^2*z12) - (s12*s13*z3)/(4*s134*s34^2*z12) - 
   (s13^2*z3)/(4*s134*s34^2*z12) + (2*s14*z3)/(s34^2*z12) + 
   (s13*s14*z3)/(s12*s34^2*z12) + (s12*s14*z3)/(4*s134*s34^2*z12) + 
   (s14^2*z3)/(s12*s34^2*z12) + (s14^2*z3)/(4*s134*s34^2*z12) + 
   (s23*z3)/(s34^2*z12) - (s12*s23*z3)/(4*s134*s34^2*z12) - 
   (s13*s23*z3)/(2*s134*s34^2*z12) + (s14*s23*z3)/(s12*s34^2*z12) - 
   (s23^2*z3)/(4*s134*s34^2*z12) - (s12*s13*z3)/(4*s234*s34^2*z12) - 
   (s13^2*z3)/(4*s234*s34^2*z12) + (s12*s14*z3)/(4*s234*s34^2*z12) + 
   (s14^2*z3)/(4*s234*s34^2*z12) - (s12*s23*z3)/(4*s234*s34^2*z12) - 
   (s13*s23*z3)/(2*s234*s34^2*z12) - (s23^2*z3)/(4*s234*s34^2*z12) + 
   (2*s24*z3)/(s34^2*z12) + (s13*s24*z3)/(s12*s34^2*z12) + 
   (3*s12*s24*z3)/(4*s134*s34^2*z12) + (5*s13*s24*z3)/(4*s134*s34^2*z12) + 
   (3*s13^2*s24*z3)/(4*s12*s134*s34^2*z12) + (2*s14*s24*z3)/(s12*s34^2*z12) + 
   (5*s14*s24*z3)/(4*s134*s34^2*z12) + (s13*s14*s24*z3)/
    (s12*s134*s34^2*z12) + (s14^2*s24*z3)/(4*s12*s134*s34^2*z12) + 
   (s23*s24*z3)/(s12*s34^2*z12) + (5*s23*s24*z3)/(4*s134*s34^2*z12) + 
   (3*s13*s23*s24*z3)/(2*s12*s134*s34^2*z12) + 
   (s14*s23*s24*z3)/(s12*s134*s34^2*z12) + (3*s23^2*s24*z3)/
    (4*s12*s134*s34^2*z12) - (s12*s24*z3)/(4*s234*s34^2*z12) - 
   (5*s13*s24*z3)/(4*s234*s34^2*z12) - (3*s13^2*s24*z3)/
    (4*s12*s234*s34^2*z12) - (s14*s24*z3)/(4*s234*s34^2*z12) - 
   (s13*s14*s24*z3)/(s12*s234*s34^2*z12) - 
   (s14^2*s24*z3)/(4*s12*s234*s34^2*z12) - 
   (5*s23*s24*z3)/(4*s234*s34^2*z12) - (3*s13*s23*s24*z3)/
    (2*s12*s234*s34^2*z12) - (s14*s23*s24*z3)/(s12*s234*s34^2*z12) - 
   (3*s23^2*s24*z3)/(4*s12*s234*s34^2*z12) + (s24^2*z3)/(s12*s34^2*z12) + 
   (s24^2*z3)/(s134*s34^2*z12) + (s13*s24^2*z3)/(s12*s134*s34^2*z12) + 
   (s14*s24^2*z3)/(2*s12*s134*s34^2*z12) + 
   (s23*s24^2*z3)/(s12*s134*s34^2*z12) - (s24^2*z3)/(2*s234*s34^2*z12) - 
   (s13*s24^2*z3)/(s12*s234*s34^2*z12) - (s14*s24^2*z3)/
    (2*s12*s234*s34^2*z12) - (s23*s24^2*z3)/(s12*s234*s34^2*z12) + 
   (s24^3*z3)/(4*s12*s134*s34^2*z12) - (s24^3*z3)/(4*s12*s234*s34^2*z12) + 
   (2*z3)/(s34*z12) + (s12*z3)/(s123*s34*z12) + (s12*z3)/(s124*s34*z12) + 
   (s13*z3)/(s12*s34*z12) + (2*s13*z3)/(s123*s34*z12) + 
   (s13*z3)/(s124*s34*z12) + (s13^2*z3)/(s12*s123*s34*z12) - 
   (s13*z3)/(4*s134*s34*z12) + (2*s14*z3)/(s12*s34*z12) + 
   (2*s14*z3)/(s123*s34*z12) + (s14*z3)/(s124*s34*z12) + 
   (2*s13*s14*z3)/(s12*s123*s34*z12) + (s14*z3)/(4*s134*s34*z12) + 
   (s14^2*z3)/(s12*s123*s34*z12) + (s23*z3)/(s12*s34*z12) + 
   (2*s23*z3)/(s123*s34*z12) + (s23*z3)/(s124*s34*z12) + 
   (2*s13*s23*z3)/(s12*s123*s34*z12) - (s23*z3)/(4*s134*s34*z12) + 
   (2*s14*s23*z3)/(s12*s123*s34*z12) + (s23^2*z3)/(s12*s123*s34*z12) + 
   (s12*z3)/(2*s234*s34*z12) + (s13*z3)/(4*s234*s34*z12) + 
   (3*s14*z3)/(4*s234*s34*z12) + (s23*z3)/(4*s234*s34*z12) + 
   (2*s24*z3)/(s12*s34*z12) + (2*s24*z3)/(s123*s34*z12) + 
   (s24*z3)/(s124*s34*z12) + (2*s13*s24*z3)/(s12*s123*s34*z12) + 
   (3*s24*z3)/(4*s134*s34*z12) + (s12*s24*z3)/(s123*s134*s34*z12) - 
   (s12*s24*z3)/(2*s124*s134*s34*z12) + (3*s13*s24*z3)/(4*s12*s134*s34*z12) + 
   (2*s13*s24*z3)/(s123*s134*s34*z12) - (s13*s24*z3)/(2*s124*s134*s34*z12) + 
   (s13^2*s24*z3)/(s12*s123*s134*s34*z12) + 
   (2*s14*s24*z3)/(s12*s123*s34*z12) + (s14*s24*z3)/(4*s12*s134*s34*z12) + 
   (s14*s24*z3)/(s123*s134*s34*z12) - (s14*s24*z3)/(s124*s134*s34*z12) + 
   (s13*s14*s24*z3)/(s12*s123*s134*s34*z12) - 
   (s13*s14*s24*z3)/(2*s12*s124*s134*s34*z12) - 
   (s14^2*s24*z3)/(2*s12*s124*s134*s34*z12) + 
   (2*s23*s24*z3)/(s12*s123*s34*z12) + (3*s23*s24*z3)/(4*s12*s134*s34*z12) + 
   (2*s23*s24*z3)/(s123*s134*s34*z12) - (s23*s24*z3)/(2*s124*s134*s34*z12) + 
   (2*s13*s23*s24*z3)/(s12*s123*s134*s34*z12) + 
   (s14*s23*s24*z3)/(s12*s123*s134*s34*z12) - 
   (s14*s23*s24*z3)/(2*s12*s124*s134*s34*z12) + 
   (s23^2*s24*z3)/(s12*s123*s134*s34*z12) + (s24*z3)/(4*s234*s34*z12) + 
   (s12*s24*z3)/(2*s123*s234*s34*z12) - (s12*s24*z3)/(s124*s234*s34*z12) - 
   (3*s13*s24*z3)/(4*s12*s234*s34*z12) + (s13*s24*z3)/(s123*s234*s34*z12) - 
   (s13*s24*z3)/(s124*s234*s34*z12) + (s13^2*s24*z3)/
    (2*s12*s123*s234*s34*z12) - (s14*s24*z3)/(4*s12*s234*s34*z12) + 
   (s14*s24*z3)/(2*s123*s234*s34*z12) - (2*s14*s24*z3)/(s124*s234*s34*z12) + 
   (s13*s14*s24*z3)/(2*s12*s123*s234*s34*z12) - 
   (s13*s14*s24*z3)/(s12*s124*s234*s34*z12) - 
   (s14^2*s24*z3)/(s12*s124*s234*s34*z12) - 
   (3*s23*s24*z3)/(4*s12*s234*s34*z12) + (s23*s24*z3)/(s123*s234*s34*z12) - 
   (s23*s24*z3)/(s124*s234*s34*z12) + (s13*s23*s24*z3)/
    (s12*s123*s234*s34*z12) + (s14*s23*s24*z3)/(2*s12*s123*s234*s34*z12) - 
   (s14*s23*s24*z3)/(s12*s124*s234*s34*z12) + 
   (s23^2*s24*z3)/(2*s12*s123*s234*s34*z12) + (s24^2*z3)/(s12*s123*s34*z12) + 
   (s24^2*z3)/(4*s12*s134*s34*z12) + (s24^2*z3)/(s123*s134*s34*z12) - 
   (s24^2*z3)/(s124*s134*s34*z12) + (s13*s24^2*z3)/(s12*s123*s134*s34*z12) - 
   (s13*s24^2*z3)/(2*s12*s124*s134*s34*z12) - 
   (s14*s24^2*z3)/(s12*s124*s134*s34*z12) + 
   (s23*s24^2*z3)/(s12*s123*s134*s34*z12) - 
   (s23*s24^2*z3)/(2*s12*s124*s134*s34*z12) - 
   (s24^2*z3)/(4*s12*s234*s34*z12) + (s24^2*z3)/(2*s123*s234*s34*z12) - 
   (2*s24^2*z3)/(s124*s234*s34*z12) + (s13*s24^2*z3)/
    (2*s12*s123*s234*s34*z12) - (s13*s24^2*z3)/(s12*s124*s234*s34*z12) - 
   (2*s14*s24^2*z3)/(s12*s124*s234*s34*z12) + 
   (s23*s24^2*z3)/(2*s12*s123*s234*s34*z12) - 
   (s23*s24^2*z3)/(s12*s124*s234*s34*z12) - 
   (s24^3*z3)/(2*s12*s124*s134*s34*z12) - 
   (s24^3*z3)/(s12*s124*s234*s34*z12) + (s34*z3)/(2*s12*s123*z12) + 
   (s34*z3)/(s123*s124*z12) + (s14*s34*z3)/(s12*s123*s124*z12) + 
   (s24*s34*z3)/(s12*s123*s124*z12) + z1/(s12*z34) + z1/(2*s123*z34) + 
   (s13*z1)/(2*s12*s123*z34) + z1/(2*s134*z34) + (s14*z1)/(2*s12*s123*z34) - 
   (s23*z1)/(s12^2*z34) + (s23*z1)/(s12*s123*z34) - 
   (s23*z1)/(2*s12*s124*z34) + (3*s13*s23*z1)/(4*s12^2*s123*z34) - 
   (3*s13*s23*z1)/(4*s12^2*s124*z34) - (s23*z1)/(2*s12*s134*z34) + 
   (s23*z1)/(s123*s134*z34) + (s23*z1)/(2*s124*s134*z34) + 
   (2*s13*s23*z1)/(s12*s123*s134*z34) + (s13*s23*z1)/(s12*s124*s134*z34) + 
   (3*s14*s23*z1)/(4*s12^2*s123*z34) - (3*s14*s23*z1)/(4*s12^2*s124*z34) + 
   (2*s14*s23*z1)/(s12*s123*s134*z34) + (s14*s23*z1)/(s12*s124*s134*z34) + 
   (5*s23^2*z1)/(4*s12^2*s123*z34) - (5*s23^2*z1)/(4*s12^2*s124*z34) + 
   (s23^2*z1)/(s12*s123*s134*z34) + (s23^2*z1)/(2*s12*s124*s134*z34) - 
   (s23*z1)/(2*s12*s234*z34) - (s23*z1)/(2*s123*s234*z34) - 
   (s23*z1)/(s124*s234*z34) - (s13*s23*z1)/(2*s12*s123*s234*z34) - 
   (s13*s23*z1)/(s12*s124*s234*z34) - (s14*s23*z1)/(2*s12*s123*s234*z34) - 
   (s14*s23*z1)/(s12*s124*s234*z34) - (s23^2*z1)/(s12*s123*s234*z34) - 
   (2*s23^2*z1)/(s12*s124*s234*z34) - (s24*z1)/(s12^2*z34) + 
   (s24*z1)/(2*s12*s123*z34) - (s24*z1)/(2*s12*s134*z34) + 
   (5*s23*s24*z1)/(4*s12^2*s123*z34) - (5*s23*s24*z1)/(4*s12^2*s124*z34) + 
   (s23*s24*z1)/(s12*s123*s134*z34) + (s23*s24*z1)/(2*s12*s124*s134*z34) - 
   (s24*z1)/(2*s12*s234*z34) - (s23*s24*z1)/(s12*s123*s234*z34) - 
   (2*s23*s24*z1)/(s12*s124*s234*z34) + z1/(s34*z34) + 
   (s13*z1)/(s12*s34*z34) + (s12*z1)/(2*s134*s34*z34) + 
   (s13*z1)/(2*s134*s34*z34) + (s14*z1)/(s12*s34*z34) + 
   (s14*z1)/(2*s134*s34*z34) - (s13*s23*z1)/(s12^2*s34*z34) + 
   (s13*s23*z1)/(4*s12*s123*s34*z34) - (s13*s23*z1)/(4*s12*s124*s34*z34) + 
   (s13^2*s23*z1)/(4*s12^2*s123*s34*z34) - 
   (s13^2*s23*z1)/(4*s12^2*s124*s34*z34) - 
   (s13*s23*z1)/(2*s12*s134*s34*z34) + (s13*s23*z1)/(s123*s134*s34*z34) + 
   (s13*s23*z1)/(2*s124*s134*s34*z34) + (s13^2*s23*z1)/
    (s12*s123*s134*s34*z34) + (s13^2*s23*z1)/(2*s12*s124*s134*s34*z34) - 
   (s14*s23*z1)/(s12^2*s34*z34) + (s14*s23*z1)/(4*s12*s123*s34*z34) - 
   (s14*s23*z1)/(4*s12*s124*s34*z34) + (s13*s14*s23*z1)/
    (2*s12^2*s123*s34*z34) - (s13*s14*s23*z1)/(2*s12^2*s124*s34*z34) - 
   (s14*s23*z1)/(2*s12*s134*s34*z34) + (s14*s23*z1)/(s123*s134*s34*z34) + 
   (s14*s23*z1)/(2*s124*s134*s34*z34) + (2*s13*s14*s23*z1)/
    (s12*s123*s134*s34*z34) + (s13*s14*s23*z1)/(s12*s124*s134*s34*z34) + 
   (s14^2*s23*z1)/(4*s12^2*s123*s34*z34) - 
   (s14^2*s23*z1)/(4*s12^2*s124*s34*z34) + 
   (s14^2*s23*z1)/(s12*s123*s134*s34*z34) + 
   (s14^2*s23*z1)/(2*s12*s124*s134*s34*z34) - (s23^2*z1)/(s12^2*s34*z34) + 
   (3*s23^2*z1)/(4*s12*s123*s34*z34) - (3*s23^2*z1)/(4*s12*s124*s34*z34) + 
   (s13*s23^2*z1)/(s12^2*s123*s34*z34) - (s13*s23^2*z1)/
    (s12^2*s124*s34*z34) - (s23^2*z1)/(2*s12*s134*s34*z34) + 
   (s13*s23^2*z1)/(s12*s123*s134*s34*z34) + 
   (s13*s23^2*z1)/(2*s12*s124*s134*s34*z34) + 
   (s14*s23^2*z1)/(s12^2*s123*s34*z34) - (s14*s23^2*z1)/
    (s12^2*s124*s34*z34) + (s14*s23^2*z1)/(s12*s123*s134*s34*z34) + 
   (s14*s23^2*z1)/(2*s12*s124*s134*s34*z34) + 
   (3*s23^3*z1)/(4*s12^2*s123*s34*z34) - 
   (3*s23^3*z1)/(4*s12^2*s124*s34*z34) - (s23*z1)/(2*s234*s34*z34) - 
   (s13*s23*z1)/(2*s12*s234*s34*z34) - (s14*s23*z1)/(2*s12*s234*s34*z34) - 
   (s23^2*z1)/(2*s12*s234*s34*z34) - (s23^2*z1)/(2*s123*s234*s34*z34) - 
   (s23^2*z1)/(s124*s234*s34*z34) - (s13*s23^2*z1)/
    (2*s12*s123*s234*s34*z34) - (s13*s23^2*z1)/(s12*s124*s234*s34*z34) - 
   (s14*s23^2*z1)/(2*s12*s123*s234*s34*z34) - 
   (s14*s23^2*z1)/(s12*s124*s234*s34*z34) - 
   (s23^3*z1)/(2*s12*s123*s234*s34*z34) - 
   (s23^3*z1)/(s12*s124*s234*s34*z34) - (s13*s24*z1)/(s12^2*s34*z34) - 
   (s13*s24*z1)/(2*s12*s134*s34*z34) - (s14*s24*z1)/(s12^2*s34*z34) - 
   (s14*s24*z1)/(2*s12*s134*s34*z34) - (2*s23*s24*z1)/(s12^2*s34*z34) + 
   (3*s23*s24*z1)/(4*s12*s123*s34*z34) - (3*s23*s24*z1)/
    (4*s12*s124*s34*z34) + (s13*s23*s24*z1)/(s12^2*s123*s34*z34) - 
   (s13*s23*s24*z1)/(s12^2*s124*s34*z34) - (s23*s24*z1)/(s12*s134*s34*z34) + 
   (s13*s23*s24*z1)/(s12*s123*s134*s34*z34) + 
   (s13*s23*s24*z1)/(2*s12*s124*s134*s34*z34) + 
   (s14*s23*s24*z1)/(s12^2*s123*s34*z34) - (s14*s23*s24*z1)/
    (s12^2*s124*s34*z34) + (s14*s23*s24*z1)/(s12*s123*s134*s34*z34) + 
   (s14*s23*s24*z1)/(2*s12*s124*s134*s34*z34) + 
   (3*s23^2*s24*z1)/(2*s12^2*s123*s34*z34) - (3*s23^2*s24*z1)/
    (2*s12^2*s124*s34*z34) - (s24*z1)/(2*s234*s34*z34) - 
   (s13*s24*z1)/(2*s12*s234*s34*z34) - (s14*s24*z1)/(2*s12*s234*s34*z34) - 
   (s23*s24*z1)/(s12*s234*s34*z34) - (s23*s24*z1)/(2*s123*s234*s34*z34) - 
   (s23*s24*z1)/(s124*s234*s34*z34) - (s13*s23*s24*z1)/
    (2*s12*s123*s234*s34*z34) - (s13*s23*s24*z1)/(s12*s124*s234*s34*z34) - 
   (s14*s23*s24*z1)/(2*s12*s123*s234*s34*z34) - 
   (s14*s23*s24*z1)/(s12*s124*s234*s34*z34) - 
   (s23^2*s24*z1)/(s12*s123*s234*s34*z34) - (2*s23^2*s24*z1)/
    (s12*s124*s234*s34*z34) - (s24^2*z1)/(s12^2*s34*z34) - 
   (s24^2*z1)/(2*s12*s134*s34*z34) + (3*s23*s24^2*z1)/
    (4*s12^2*s123*s34*z34) - (3*s23*s24^2*z1)/(4*s12^2*s124*s34*z34) - 
   (s24^2*z1)/(2*s12*s234*s34*z34) - (s23*s24^2*z1)/
    (2*s12*s123*s234*s34*z34) - (s23*s24^2*z1)/(s12*s124*s234*s34*z34) + 
   (s34*z1)/(2*s12*s123*z34) + (s23*s34*z1)/(2*s12^2*s123*z34) - 
   (s23*s34*z1)/(2*s12^2*s124*z34) + (s23*s34*z1)/(s12*s123*s134*z34) + 
   (s23*s34*z1)/(2*s12*s124*s134*z34) - (s23*s34*z1)/(2*s12*s123*s234*z34) - 
   (s23*s34*z1)/(s12*s124*s234*z34) + (s23*z1^2)/(s12^2*z12*z34) - 
   (s23*z1^2)/(2*s12*s123*z12*z34) + (s23*z1^2)/(2*s12*s124*z12*z34) - 
   (3*s13*s23*z1^2)/(4*s12^2*s123*z12*z34) + (3*s13*s23*z1^2)/
    (4*s12^2*s124*z12*z34) - (3*s14*s23*z1^2)/(4*s12^2*s123*z12*z34) + 
   (3*s14*s23*z1^2)/(4*s12^2*s124*z12*z34) - 
   (3*s23^2*z1^2)/(4*s12^2*s123*z12*z34) + 
   (3*s23^2*z1^2)/(4*s12^2*s124*z12*z34) + (s24*z1^2)/(s12^2*z12*z34) - 
   (3*s23*s24*z1^2)/(4*s12^2*s123*z12*z34) + (3*s23*s24*z1^2)/
    (4*s12^2*s124*z12*z34) + (s23*z1^2)/(s12*s34*z12*z34) + 
   (s13*s23*z1^2)/(s12^2*s34*z12*z34) - (s13*s23*z1^2)/
    (4*s12*s123*s34*z12*z34) + (s13*s23*z1^2)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s23*z1^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s23*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s14*s23*z1^2)/(s12^2*s34*z12*z34) - (s14*s23*z1^2)/
    (4*s12*s123*s34*z12*z34) + (s14*s23*z1^2)/(4*s12*s124*s34*z12*z34) - 
   (s13*s14*s23*z1^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14*s23*z1^2)/(2*s12^2*s124*s34*z12*z34) - 
   (s14^2*s23*z1^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s23^2*z1^2)/(s12^2*s34*z12*z34) - (s23^2*z1^2)/(4*s12*s123*s34*z12*z34) + 
   (s23^2*z1^2)/(4*s12*s124*s34*z12*z34) - (s13*s23^2*z1^2)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s23^2*z1^2)/
    (2*s12^2*s124*s34*z12*z34) - (s14*s23^2*z1^2)/
    (2*s12^2*s123*s34*z12*z34) + (s14*s23^2*z1^2)/
    (2*s12^2*s124*s34*z12*z34) - (s23^3*z1^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s23^3*z1^2)/(4*s12^2*s124*s34*z12*z34) + (s24*z1^2)/(s12*s34*z12*z34) + 
   (s13*s24*z1^2)/(s12^2*s34*z12*z34) + (s14*s24*z1^2)/(s12^2*s34*z12*z34) + 
   (2*s23*s24*z1^2)/(s12^2*s34*z12*z34) - (s23*s24*z1^2)/
    (4*s12*s123*s34*z12*z34) + (s23*s24*z1^2)/(4*s12*s124*s34*z12*z34) - 
   (s13*s23*s24*z1^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s23*s24*z1^2)/(2*s12^2*s124*s34*z12*z34) - 
   (s14*s23*s24*z1^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23*s24*z1^2)/(2*s12^2*s124*s34*z12*z34) - 
   (s23^2*s24*z1^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s23^2*s24*z1^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s24^2*z1^2)/(s12^2*s34*z12*z34) - (s23*s24^2*z1^2)/
    (4*s12^2*s123*s34*z12*z34) + (s23*s24^2*z1^2)/
    (4*s12^2*s124*s34*z12*z34) - (s23*s34*z1^2)/(2*s12^2*s123*z12*z34) + 
   (s23*s34*z1^2)/(2*s12^2*s124*z12*z34) + (2*z2)/(s12*z34) + 
   z2/(2*s123*z34) + (2*s13*z2)/(s12^2*z34) + (s13*z2)/(4*s12*s123*z34) + 
   (3*s13*z2)/(4*s12*s124*z34) - (s13^2*z2)/(2*s12^2*s123*z34) + 
   (s13^2*z2)/(s12^2*s124*z34) + z2/(s134*z34) + (s13*z2)/(s12*s134*z34) - 
   (s13*z2)/(s123*s134*z34) - (s13*z2)/(2*s124*s134*z34) - 
   (2*s13^2*z2)/(s12*s123*s134*z34) - (s13^2*z2)/(s12*s124*s134*z34) + 
   (2*s14*z2)/(s12^2*z34) + (3*s14*z2)/(4*s12*s123*z34) + 
   (s14*z2)/(4*s12*s124*z34) - (s13*s14*z2)/(4*s12^2*s123*z34) + 
   (5*s13*s14*z2)/(4*s12^2*s124*z34) + (s14*z2)/(s12*s134*z34) - 
   (2*s13*s14*z2)/(s12*s123*s134*z34) - (s13*s14*z2)/(s12*s124*s134*z34) + 
   (s14^2*z2)/(4*s12^2*s123*z34) + (s14^2*z2)/(4*s12^2*s124*z34) + 
   (s23*z2)/(s12^2*z34) + (s23*z2)/(4*s12*s123*z34) - 
   (s23*z2)/(4*s12*s124*z34) - (5*s13*s23*z2)/(4*s12^2*s123*z34) + 
   (5*s13*s23*z2)/(4*s12^2*s124*z34) + (s23*z2)/(s12*s134*z34) - 
   (s13*s23*z2)/(s12*s123*s134*z34) - (s13*s23*z2)/(2*s12*s124*s134*z34) - 
   (s23^2*z2)/(4*s12^2*s123*z34) - (s23^2*z2)/(4*s12^2*s124*z34) + 
   (3*z2)/(2*s234*z34) + (2*s13*z2)/(s12*s234*z34) + 
   (s13*z2)/(2*s123*s234*z34) + (s13*z2)/(s124*s234*z34) + 
   (s13^2*z2)/(2*s12*s123*s234*z34) + (s13^2*z2)/(s12*s124*s234*z34) + 
   (s12*z2)/(s134*s234*z34) + (2*s13*z2)/(s134*s234*z34) + 
   (2*s14*z2)/(s12*s234*z34) + (s13*s14*z2)/(2*s12*s123*s234*z34) + 
   (s13*s14*z2)/(s12*s124*s234*z34) + (2*s14*z2)/(s134*s234*z34) + 
   (2*s23*z2)/(s12*s234*z34) + (s13*s23*z2)/(s12*s123*s234*z34) + 
   (2*s13*s23*z2)/(s12*s124*s234*z34) + (s23*z2)/(s134*s234*z34) + 
   (s24*z2)/(s12^2*z34) + (s24*z2)/(4*s12*s123*z34) - 
   (s24*z2)/(4*s12*s124*z34) - (5*s13*s24*z2)/(4*s12^2*s123*z34) + 
   (5*s13*s24*z2)/(4*s12^2*s124*z34) + (s24*z2)/(s12*s134*z34) - 
   (s13*s24*z2)/(s12*s123*s134*z34) - (s13*s24*z2)/(2*s12*s124*s134*z34) - 
   (s23*s24*z2)/(2*s12^2*s123*z34) - (s23*s24*z2)/(2*s12^2*s124*z34) + 
   (2*s24*z2)/(s12*s234*z34) + (s13*s24*z2)/(s12*s123*s234*z34) + 
   (2*s13*s24*z2)/(s12*s124*s234*z34) + (s24*z2)/(s134*s234*z34) - 
   (s24^2*z2)/(4*s12^2*s123*z34) - (s24^2*z2)/(4*s12^2*s124*z34) + 
   z2/(s34*z34) + (2*s13*z2)/(s12*s34*z34) + (s13^2*z2)/(s12^2*s34*z34) - 
   (s13^2*z2)/(4*s12*s123*s34*z34) + (s13^2*z2)/(4*s12*s124*s34*z34) - 
   (s13^3*z2)/(4*s12^2*s123*s34*z34) + (s13^3*z2)/(4*s12^2*s124*s34*z34) - 
   (s13^2*z2)/(s123*s134*s34*z34) - (s13^2*z2)/(2*s124*s134*s34*z34) - 
   (s13^3*z2)/(s12*s123*s134*s34*z34) - 
   (s13^3*z2)/(2*s12*s124*s134*s34*z34) + (2*s14*z2)/(s12*s34*z34) + 
   (2*s13*s14*z2)/(s12^2*s34*z34) - (s13*s14*z2)/(4*s12*s123*s34*z34) + 
   (s13*s14*z2)/(4*s12*s124*s34*z34) - (s13^2*s14*z2)/
    (2*s12^2*s123*s34*z34) + (s13^2*s14*z2)/(2*s12^2*s124*s34*z34) - 
   (s13*s14*z2)/(s123*s134*s34*z34) - (s13*s14*z2)/(2*s124*s134*s34*z34) - 
   (2*s13^2*s14*z2)/(s12*s123*s134*s34*z34) - 
   (s13^2*s14*z2)/(s12*s124*s134*s34*z34) + (s14^2*z2)/(s12^2*s34*z34) - 
   (s13*s14^2*z2)/(4*s12^2*s123*s34*z34) + 
   (s13*s14^2*z2)/(4*s12^2*s124*s34*z34) - 
   (s13*s14^2*z2)/(s12*s123*s134*s34*z34) - 
   (s13*s14^2*z2)/(2*s12*s124*s134*s34*z34) + (s23*z2)/(s12*s34*z34) + 
   (s13*s23*z2)/(s12^2*s34*z34) - (3*s13*s23*z2)/(4*s12*s123*s34*z34) + 
   (3*s13*s23*z2)/(4*s12*s124*s34*z34) - (s13^2*s23*z2)/
    (s12^2*s123*s34*z34) + (s13^2*s23*z2)/(s12^2*s124*s34*z34) - 
   (s13^2*s23*z2)/(s12*s123*s134*s34*z34) - 
   (s13^2*s23*z2)/(2*s12*s124*s134*s34*z34) + (s14*s23*z2)/(s12^2*s34*z34) - 
   (s13*s14*s23*z2)/(s12^2*s123*s34*z34) + (s13*s14*s23*z2)/
    (s12^2*s124*s34*z34) - (s13*s14*s23*z2)/(s12*s123*s134*s34*z34) - 
   (s13*s14*s23*z2)/(2*s12*s124*s134*s34*z34) - 
   (3*s13*s23^2*z2)/(4*s12^2*s123*s34*z34) + (3*s13*s23^2*z2)/
    (4*s12^2*s124*s34*z34) + (s12*z2)/(2*s234*s34*z34) + 
   (3*s13*z2)/(2*s234*s34*z34) + (s13^2*z2)/(s12*s234*s34*z34) + 
   (s12*s13*z2)/(s134*s234*s34*z34) + (s13^2*z2)/(s134*s234*s34*z34) + 
   (3*s14*z2)/(2*s234*s34*z34) + (2*s13*s14*z2)/(s12*s234*s34*z34) + 
   (s12*s14*z2)/(s134*s234*s34*z34) + (2*s13*s14*z2)/(s134*s234*s34*z34) + 
   (s14^2*z2)/(s12*s234*s34*z34) + (s14^2*z2)/(s134*s234*s34*z34) + 
   (3*s23*z2)/(2*s234*s34*z34) + (2*s13*s23*z2)/(s12*s234*s34*z34) + 
   (s13*s23*z2)/(2*s123*s234*s34*z34) + (s13*s23*z2)/(s124*s234*s34*z34) + 
   (s13^2*s23*z2)/(2*s12*s123*s234*s34*z34) + 
   (s13^2*s23*z2)/(s12*s124*s234*s34*z34) + 
   (s13*s23*z2)/(s134*s234*s34*z34) + (2*s14*s23*z2)/(s12*s234*s34*z34) + 
   (s13*s14*s23*z2)/(2*s12*s123*s234*s34*z34) + 
   (s13*s14*s23*z2)/(s12*s124*s234*s34*z34) + 
   (s14*s23*z2)/(s134*s234*s34*z34) + (s23^2*z2)/(s12*s234*s34*z34) + 
   (s13*s23^2*z2)/(2*s12*s123*s234*s34*z34) + 
   (s13*s23^2*z2)/(s12*s124*s234*s34*z34) + (s24*z2)/(s12*s34*z34) + 
   (s13*s24*z2)/(s12^2*s34*z34) - (3*s13*s24*z2)/(4*s12*s123*s34*z34) + 
   (3*s13*s24*z2)/(4*s12*s124*s34*z34) - (s13^2*s24*z2)/
    (s12^2*s123*s34*z34) + (s13^2*s24*z2)/(s12^2*s124*s34*z34) - 
   (s13^2*s24*z2)/(s12*s123*s134*s34*z34) - 
   (s13^2*s24*z2)/(2*s12*s124*s134*s34*z34) + (s14*s24*z2)/(s12^2*s34*z34) - 
   (s13*s14*s24*z2)/(s12^2*s123*s34*z34) + (s13*s14*s24*z2)/
    (s12^2*s124*s34*z34) - (s13*s14*s24*z2)/(s12*s123*s134*s34*z34) - 
   (s13*s14*s24*z2)/(2*s12*s124*s134*s34*z34) - 
   (3*s13*s23*s24*z2)/(2*s12^2*s123*s34*z34) + 
   (3*s13*s23*s24*z2)/(2*s12^2*s124*s34*z34) + (3*s24*z2)/(2*s234*s34*z34) + 
   (2*s13*s24*z2)/(s12*s234*s34*z34) + (s13*s24*z2)/(2*s123*s234*s34*z34) + 
   (s13*s24*z2)/(s124*s234*s34*z34) + (s13^2*s24*z2)/
    (2*s12*s123*s234*s34*z34) + (s13^2*s24*z2)/(s12*s124*s234*s34*z34) + 
   (s13*s24*z2)/(s134*s234*s34*z34) + (2*s14*s24*z2)/(s12*s234*s34*z34) + 
   (s13*s14*s24*z2)/(2*s12*s123*s234*s34*z34) + 
   (s13*s14*s24*z2)/(s12*s124*s234*s34*z34) + 
   (s14*s24*z2)/(s134*s234*s34*z34) + (2*s23*s24*z2)/(s12*s234*s34*z34) + 
   (s13*s23*s24*z2)/(s12*s123*s234*s34*z34) + (2*s13*s23*s24*z2)/
    (s12*s124*s234*s34*z34) - (3*s13*s24^2*z2)/(4*s12^2*s123*s34*z34) + 
   (3*s13*s24^2*z2)/(4*s12^2*s124*s34*z34) + (s24^2*z2)/(s12*s234*s34*z34) + 
   (s13*s24^2*z2)/(2*s12*s123*s234*s34*z34) + 
   (s13*s24^2*z2)/(s12*s124*s234*s34*z34) + (s34*z2)/(s12^2*z34) + 
   (s34*z2)/(2*s12*s123*z34) - (s13*s34*z2)/(4*s12^2*s123*z34) + 
   (3*s13*s34*z2)/(4*s12^2*s124*z34) + (s34*z2)/(s12*s134*z34) - 
   (s13*s34*z2)/(s12*s123*s134*z34) - (s13*s34*z2)/(2*s12*s124*s134*z34) + 
   (s14*s34*z2)/(4*s12^2*s123*z34) + (s14*s34*z2)/(4*s12^2*s124*z34) - 
   (s23*s34*z2)/(4*s12^2*s123*z34) - (s23*s34*z2)/(4*s12^2*s124*z34) + 
   (s34*z2)/(s12*s234*z34) + (s13*s34*z2)/(2*s12*s123*s234*z34) + 
   (s13*s34*z2)/(s12*s124*s234*z34) + (s34*z2)/(s134*s234*z34) - 
   (s24*s34*z2)/(4*s12^2*s123*z34) - (s24*s34*z2)/(4*s12^2*s124*z34) + 
   (2*s13*z1^2*z2)/(s12^2*z12^2*z34) + (2*s14*z1^2*z2)/(s12^2*z12^2*z34) + 
   (2*s23*z1^2*z2)/(s12^2*z12^2*z34) + (2*s24*z1^2*z2)/(s12^2*z12^2*z34) - 
   (2*z1^2*z2)/(s34*z12^2*z34) - (2*s13*z1^2*z2)/(s12*s34*z12^2*z34) - 
   (2*s14*z1^2*z2)/(s12*s34*z12^2*z34) - (2*s23*z1^2*z2)/
    (s12*s34*z12^2*z34) - (2*s24*z1^2*z2)/(s12*s34*z12^2*z34) + 
   (2*s34*z1^2*z2)/(s12^2*z12^2*z34) - (3*z1*z2)/(s12*z12*z34) - 
   (z1*z2)/(2*s123*z12*z34) - (z1*z2)/(2*s124*z12*z34) - 
   (4*s13*z1*z2)/(s12^2*z12*z34) - (s13*z1*z2)/(4*s12*s123*z12*z34) - 
   (5*s13*z1*z2)/(4*s12*s124*z12*z34) + (s13^2*z1*z2)/
    (2*s12^2*s123*z12*z34) - (s13^2*z1*z2)/(s12^2*s124*z12*z34) - 
   (z1*z2)/(2*s134*z12*z34) - (2*s13*z1*z2)/(s12*s134*z12*z34) - 
   (4*s14*z1*z2)/(s12^2*z12*z34) - (3*s14*z1*z2)/(4*s12*s123*z12*z34) - 
   (3*s14*z1*z2)/(4*s12*s124*z12*z34) + (s13*s14*z1*z2)/
    (4*s12^2*s123*z12*z34) - (5*s13*s14*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (2*s14*z1*z2)/(s12*s134*z12*z34) - (s14^2*z1*z2)/(4*s12^2*s123*z12*z34) - 
   (s14^2*z1*z2)/(4*s12^2*s124*z12*z34) - (4*s23*z1*z2)/(s12^2*z12*z34) - 
   (s23*z1*z2)/(4*s12*s123*z12*z34) - (5*s23*z1*z2)/(4*s12*s124*z12*z34) + 
   (s13*s23*z1*z2)/(s12^2*s123*z12*z34) - (2*s13*s23*z1*z2)/
    (s12^2*s124*z12*z34) - (3*s23*z1*z2)/(2*s12*s134*z12*z34) + 
   (s14*s23*z1*z2)/(4*s12^2*s123*z12*z34) - (5*s14*s23*z1*z2)/
    (4*s12^2*s124*z12*z34) + (s23^2*z1*z2)/(2*s12^2*s123*z12*z34) - 
   (s23^2*z1*z2)/(s12^2*s124*z12*z34) - (3*z1*z2)/(2*s234*z12*z34) - 
   (2*s13*z1*z2)/(s12*s234*z12*z34) - (2*s14*z1*z2)/(s12*s234*z12*z34) - 
   (5*s23*z1*z2)/(2*s12*s234*z12*z34) - (4*s24*z1*z2)/(s12^2*z12*z34) - 
   (3*s24*z1*z2)/(4*s12*s123*z12*z34) - (3*s24*z1*z2)/(4*s12*s124*z12*z34) + 
   (s13*s24*z1*z2)/(4*s12^2*s123*z12*z34) - (5*s13*s24*z1*z2)/
    (4*s12^2*s124*z12*z34) - (3*s24*z1*z2)/(2*s12*s134*z12*z34) - 
   (s14*s24*z1*z2)/(2*s12^2*s123*z12*z34) - (s14*s24*z1*z2)/
    (2*s12^2*s124*z12*z34) + (s23*s24*z1*z2)/(4*s12^2*s123*z12*z34) - 
   (5*s23*s24*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (5*s24*z1*z2)/(2*s12*s234*z12*z34) - (s24^2*z1*z2)/
    (4*s12^2*s123*z12*z34) - (s24^2*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (s13*z1*z2)/(s12*s34*z12*z34) - (s13^2*z1*z2)/(s12^2*s34*z12*z34) + 
   (s13^2*z1*z2)/(4*s12*s123*s34*z12*z34) - 
   (s13^2*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (s13^3*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^3*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (s12*z1*z2)/(s134*s34*z12*z34) + (s13*z1*z2)/(2*s134*s34*z12*z34) - 
   (s13^2*z1*z2)/(2*s12*s134*s34*z12*z34) - (s14*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s14*z1*z2)/(s12^2*s34*z12*z34) + (s13*s14*z1*z2)/
    (4*s12*s123*s34*z12*z34) - (s13*s14*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s14*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s14*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*z1*z2)/(2*s134*s34*z12*z34) - (s13*s14*z1*z2)/
    (s12*s134*s34*z12*z34) - (s14^2*z1*z2)/(s12^2*s34*z12*z34) + 
   (s13*s14^2*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13*s14^2*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s14^2*z1*z2)/(2*s12*s134*s34*z12*z34) - (s23*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s23*z1*z2)/(s12^2*s34*z12*z34) + (s13*s23*z1*z2)/
    (2*s12*s123*s34*z12*z34) - (s13*s23*z1*z2)/(2*s12*s124*s34*z12*z34) + 
   (3*s13^2*s23*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (3*s13^2*s23*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (s23*z1*z2)/(s134*s34*z12*z34) - (s13*s23*z1*z2)/
    (2*s12*s134*s34*z12*z34) - (2*s14*s23*z1*z2)/(s12^2*s34*z12*z34) + 
   (s14*s23*z1*z2)/(4*s12*s123*s34*z12*z34) - 
   (s14*s23*z1*z2)/(4*s12*s124*s34*z12*z34) + (s13*s14*s23*z1*z2)/
    (s12^2*s123*s34*z12*z34) - (s13*s14*s23*z1*z2)/(s12^2*s124*s34*z12*z34) - 
   (s14*s23*z1*z2)/(2*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^2*s23*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s23^2*z1*z2)/(s12^2*s34*z12*z34) + (s23^2*z1*z2)/
    (4*s12*s123*s34*z12*z34) - (s23^2*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (3*s13*s23^2*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (3*s13*s23^2*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (s14*s23^2*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s14*s23^2*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^3*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s23^3*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s13*z1*z2)/(2*s234*s34*z12*z34) - (s13^2*z1*z2)/
    (2*s12*s234*s34*z12*z34) - (s14*z1*z2)/(2*s234*s34*z12*z34) - 
   (s13*s14*z1*z2)/(s12*s234*s34*z12*z34) - 
   (s14^2*z1*z2)/(2*s12*s234*s34*z12*z34) - (s23*z1*z2)/(s234*s34*z12*z34) - 
   (3*s13*s23*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (3*s14*s23*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (s23^2*z1*z2)/(s12*s234*s34*z12*z34) - (s24*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s24*z1*z2)/(s12^2*s34*z12*z34) + (s13*s24*z1*z2)/
    (4*s12*s123*s34*z12*z34) - (s13*s24*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (s24*z1*z2)/(s134*s34*z12*z34) - (s13*s24*z1*z2)/
    (2*s12*s134*s34*z12*z34) - (2*s14*s24*z1*z2)/(s12^2*s34*z12*z34) + 
   (s13*s14*s24*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s14*s24*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (s14*s24*z1*z2)/(2*s12*s134*s34*z12*z34) - 
   (2*s23*s24*z1*z2)/(s12^2*s34*z12*z34) + (s23*s24*z1*z2)/
    (4*s12*s123*s34*z12*z34) - (s23*s24*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (s13*s23*s24*z1*z2)/(s12^2*s123*s34*z12*z34) - 
   (s13*s23*s24*z1*z2)/(s12^2*s124*s34*z12*z34) + 
   (s14*s23*s24*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s14*s23*s24*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^2*s24*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s23^2*s24*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (s24*z1*z2)/(s234*s34*z12*z34) - (3*s13*s24*z1*z2)/
    (2*s12*s234*s34*z12*z34) - (3*s14*s24*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (2*s23*s24*z1*z2)/(s12*s234*s34*z12*z34) - 
   (s24^2*z1*z2)/(s12^2*s34*z12*z34) + (s13*s24^2*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) - (s13*s24^2*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) + (s23*s24^2*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) - (s23*s24^2*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) - (s24^2*z1*z2)/(s12*s234*s34*z12*z34) - 
   (3*s34*z1*z2)/(s12^2*z12*z34) - (s34*z1*z2)/(2*s12*s123*z12*z34) - 
   (s34*z1*z2)/(2*s12*s124*z12*z34) + (s13*s34*z1*z2)/
    (4*s12^2*s123*z12*z34) - (3*s13*s34*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (3*s34*z1*z2)/(2*s12*s134*z12*z34) - (s14*s34*z1*z2)/
    (4*s12^2*s123*z12*z34) - (s14*s34*z1*z2)/(4*s12^2*s124*z12*z34) + 
   (s23*s34*z1*z2)/(4*s12^2*s123*z12*z34) - (3*s23*s34*z1*z2)/
    (4*s12^2*s124*z12*z34) - (3*s34*z1*z2)/(2*s12*s234*z12*z34) - 
   (s24*s34*z1*z2)/(4*s12^2*s123*z12*z34) - (s24*s34*z1*z2)/
    (4*s12^2*s124*z12*z34) + (2*s13*z1*z2^2)/(s12^2*z12^2*z34) + 
   (2*s14*z1*z2^2)/(s12^2*z12^2*z34) + (2*s23*z1*z2^2)/(s12^2*z12^2*z34) + 
   (2*s24*z1*z2^2)/(s12^2*z12^2*z34) - (2*z1*z2^2)/(s34*z12^2*z34) - 
   (2*s13*z1*z2^2)/(s12*s34*z12^2*z34) - (2*s14*z1*z2^2)/
    (s12*s34*z12^2*z34) - (2*s23*z1*z2^2)/(s12*s34*z12^2*z34) - 
   (2*s24*z1*z2^2)/(s12*s34*z12^2*z34) + (2*s34*z1*z2^2)/(s12^2*z12^2*z34) + 
   z2^2/(s12*z12*z34) + z2^2/(2*s123*z12*z34) + z2^2/(2*s124*z12*z34) + 
   (s13*z2^2)/(4*s12*s123*z12*z34) + (5*s13*z2^2)/(4*s12*s124*z12*z34) - 
   (s13^2*z2^2)/(2*s12^2*s123*z12*z34) + (s13^2*z2^2)/(s12^2*s124*z12*z34) - 
   z2^2/(2*s134*z12*z34) - (s13*z2^2)/(s12*s134*z12*z34) + 
   (3*s14*z2^2)/(4*s12*s123*z12*z34) + (3*s14*z2^2)/(4*s12*s124*z12*z34) - 
   (s13*s14*z2^2)/(4*s12^2*s123*z12*z34) + (5*s13*s14*z2^2)/
    (4*s12^2*s124*z12*z34) - (s14*z2^2)/(s12*s134*z12*z34) + 
   (s14^2*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s14^2*z2^2)/(4*s12^2*s124*z12*z34) - (s23*z2^2)/(s12^2*z12*z34) + 
   (3*s23*z2^2)/(4*s12*s123*z12*z34) + (3*s23*z2^2)/(4*s12*s124*z12*z34) - 
   (s13*s23*z2^2)/(4*s12^2*s123*z12*z34) + (5*s13*s23*z2^2)/
    (4*s12^2*s124*z12*z34) - (s23*z2^2)/(2*s12*s134*z12*z34) + 
   (s14*s23*z2^2)/(2*s12^2*s123*z12*z34) + 
   (s14*s23*z2^2)/(2*s12^2*s124*z12*z34) + 
   (s23^2*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s23^2*z2^2)/(4*s12^2*s124*z12*z34) + z2^2/(2*s234*z12*z34) - 
   (s23*z2^2)/(2*s12*s234*z12*z34) - (s24*z2^2)/(s12^2*z12*z34) + 
   (3*s24*z2^2)/(4*s12*s123*z12*z34) + (3*s24*z2^2)/(4*s12*s124*z12*z34) - 
   (s13*s24*z2^2)/(4*s12^2*s123*z12*z34) + (5*s13*s24*z2^2)/
    (4*s12^2*s124*z12*z34) - (s24*z2^2)/(2*s12*s134*z12*z34) + 
   (s14*s24*z2^2)/(2*s12^2*s123*z12*z34) + 
   (s14*s24*z2^2)/(2*s12^2*s124*z12*z34) + 
   (s23*s24*z2^2)/(2*s12^2*s123*z12*z34) + 
   (s23*s24*z2^2)/(2*s12^2*s124*z12*z34) - (s24*z2^2)/(2*s12*s234*z12*z34) + 
   (s24^2*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s24^2*z2^2)/(4*s12^2*s124*z12*z34) + (2*z2^2)/(s34*z12*z34) + 
   (3*s13*z2^2)/(s12*s34*z12*z34) + (s13^2*z2^2)/(s12^2*s34*z12*z34) - 
   (s13^2*z2^2)/(4*s12*s123*s34*z12*z34) + 
   (s13^2*z2^2)/(4*s12*s124*s34*z12*z34) - 
   (s13^3*z2^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^3*z2^2)/(4*s12^2*s124*s34*z12*z34) - 
   (s13*z2^2)/(2*s134*s34*z12*z34) - (s13^2*z2^2)/(2*s12*s134*s34*z12*z34) + 
   (3*s14*z2^2)/(s12*s34*z12*z34) + (2*s13*s14*z2^2)/(s12^2*s34*z12*z34) - 
   (s13*s14*z2^2)/(4*s12*s123*s34*z12*z34) + 
   (s13*s14*z2^2)/(4*s12*s124*s34*z12*z34) - (s13^2*s14*z2^2)/
    (2*s12^2*s123*s34*z12*z34) + (s13^2*s14*z2^2)/
    (2*s12^2*s124*s34*z12*z34) - (s14*z2^2)/(2*s134*s34*z12*z34) - 
   (s13*s14*z2^2)/(s12*s134*s34*z12*z34) + (s14^2*z2^2)/(s12^2*s34*z12*z34) - 
   (s13*s14^2*z2^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13*s14^2*z2^2)/(4*s12^2*s124*s34*z12*z34) - 
   (s14^2*z2^2)/(2*s12*s134*s34*z12*z34) + (2*s23*z2^2)/(s12*s34*z12*z34) + 
   (s13*s23*z2^2)/(s12^2*s34*z12*z34) - (s13*s23*z2^2)/
    (4*s12*s123*s34*z12*z34) + (s13*s23*z2^2)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s23*z2^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s23*z2^2)/(2*s12^2*s124*s34*z12*z34) - 
   (s13*s23*z2^2)/(2*s12*s134*s34*z12*z34) + 
   (s14*s23*z2^2)/(s12^2*s34*z12*z34) - (s13*s14*s23*z2^2)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s14*s23*z2^2)/
    (2*s12^2*s124*s34*z12*z34) - (s14*s23*z2^2)/(2*s12*s134*s34*z12*z34) - 
   (s13*s23^2*z2^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13*s23^2*z2^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s12*z2^2)/(s234*s34*z12*z34) + (3*s13*z2^2)/(2*s234*s34*z12*z34) + 
   (s13^2*z2^2)/(2*s12*s234*s34*z12*z34) + 
   (3*s14*z2^2)/(2*s234*s34*z12*z34) + (s13*s14*z2^2)/
    (s12*s234*s34*z12*z34) + (s14^2*z2^2)/(2*s12*s234*s34*z12*z34) + 
   (s23*z2^2)/(s234*s34*z12*z34) + (s13*s23*z2^2)/(2*s12*s234*s34*z12*z34) + 
   (s14*s23*z2^2)/(2*s12*s234*s34*z12*z34) + (2*s24*z2^2)/(s12*s34*z12*z34) + 
   (s13*s24*z2^2)/(s12^2*s34*z12*z34) - (s13*s24*z2^2)/
    (4*s12*s123*s34*z12*z34) + (s13*s24*z2^2)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s24*z2^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z2^2)/(2*s12^2*s124*s34*z12*z34) - 
   (s13*s24*z2^2)/(2*s12*s134*s34*z12*z34) + 
   (s14*s24*z2^2)/(s12^2*s34*z12*z34) - (s13*s14*s24*z2^2)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s14*s24*z2^2)/
    (2*s12^2*s124*s34*z12*z34) - (s14*s24*z2^2)/(2*s12*s134*s34*z12*z34) - 
   (s13*s23*s24*z2^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s23*s24*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s24*z2^2)/(s234*s34*z12*z34) + (s13*s24*z2^2)/(2*s12*s234*s34*z12*z34) + 
   (s14*s24*z2^2)/(2*s12*s234*s34*z12*z34) - (s13*s24^2*z2^2)/
    (4*s12^2*s123*s34*z12*z34) + (s13*s24^2*z2^2)/
    (4*s12^2*s124*s34*z12*z34) - (s34*z2^2)/(s12^2*z12*z34) + 
   (s34*z2^2)/(2*s12*s123*z12*z34) + (s34*z2^2)/(2*s12*s124*z12*z34) - 
   (s13*s34*z2^2)/(4*s12^2*s123*z12*z34) + (3*s13*s34*z2^2)/
    (4*s12^2*s124*z12*z34) - (s34*z2^2)/(2*s12*s134*z12*z34) + 
   (s14*s34*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s14*s34*z2^2)/(4*s12^2*s124*z12*z34) + 
   (s23*s34*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s23*s34*z2^2)/(4*s12^2*s124*z12*z34) - (s34*z2^2)/(2*s12*s234*z12*z34) + 
   (s24*s34*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s24*s34*z2^2)/(4*s12^2*s124*z12*z34) + z3/(s12*z34) - 
   (3*s13*z3)/(4*s12*s123*z34) - (s13*z3)/(4*s12*s124*z34) - 
   (s12*z3)/(s123*s134*z34) + (s12*z3)/(2*s124*s134*z34) - 
   (2*s13*z3)/(s123*s134*z34) + (s13*z3)/(s124*s134*z34) - 
   (3*s14*z3)/(4*s12*s123*z34) - (3*s14*z3)/(4*s12*s124*z34) - 
   (2*s14*z3)/(s123*s134*z34) + (s14*z3)/(s124*s134*z34) + 
   (2*s23*z3)/(s12^2*z34) + (s23*z3)/(4*s12*s123*z34) - 
   (s23*z3)/(4*s12*s124*z34) + (s13*s23*z3)/(s12^2*s123*z34) + 
   (s23*z3)/(s12*s134*z34) + (s23*z3)/(s123*s134*z34) + 
   (s23*z3)/(2*s124*s134*z34) + (4*s13*s23*z3)/(s12*s123*s134*z34) + 
   (3*s14*s23*z3)/(2*s12^2*s123*z34) - (s14*s23*z3)/(2*s12^2*s124*z34) + 
   (4*s14*s23*z3)/(s12*s123*s134*z34) + (2*s23^2*z3)/(s12^2*s123*z34) + 
   (2*s23^2*z3)/(s12*s123*s134*z34) + (s12*z3)/(2*s123*s234*z34) - 
   (s12*z3)/(s124*s234*z34) + (s13*z3)/(2*s123*s234*z34) - 
   (s13*z3)/(s124*s234*z34) + (s14*z3)/(2*s123*s234*z34) - 
   (s14*z3)/(s124*s234*z34) + (2*s23*z3)/(s12*s234*z34) - 
   (2*s23*z3)/(s124*s234*z34) - (s13*s23*z3)/(s12*s123*s234*z34) + 
   (s23*z3)/(s134*s234*z34) - (s14*s23*z3)/(s12*s123*s234*z34) - 
   (2*s23^2*z3)/(s12*s123*s234*z34) + (s24*z3)/(s12^2*z34) - 
   (3*s24*z3)/(4*s12*s123*z34) + (s24*z3)/(4*s12*s124*z34) - 
   (3*s13*s24*z3)/(4*s12^2*s123*z34) + (5*s13*s24*z3)/(4*s12^2*s124*z34) - 
   (s24*z3)/(s123*s134*z34) - (s24*z3)/(2*s124*s134*z34) - 
   (2*s13*s24*z3)/(s12*s124*s134*z34) - (s14*s24*z3)/(4*s12^2*s123*z34) + 
   (3*s14*s24*z3)/(4*s12^2*s124*z34) - (2*s14*s24*z3)/(s12*s124*s134*z34) + 
   (9*s23*s24*z3)/(4*s12^2*s123*z34) + (9*s23*s24*z3)/(4*s12^2*s124*z34) + 
   (2*s23*s24*z3)/(s12*s123*s134*z34) - (s23*s24*z3)/(s12*s124*s134*z34) + 
   (s24*z3)/(s12*s234*z34) + (s24*z3)/(s123*s234*z34) + 
   (2*s13*s24*z3)/(s12*s124*s234*z34) + (2*s14*s24*z3)/(s12*s124*s234*z34) - 
   (2*s23*s24*z3)/(s12*s123*s234*z34) + (4*s23*s24*z3)/(s12*s124*s234*z34) + 
   (s24^2*z3)/(4*s12^2*s123*z34) + (9*s24^2*z3)/(4*s12^2*s124*z34) - 
   (s24^2*z3)/(s12*s124*s134*z34) + (4*s24^2*z3)/(s12*s124*s234*z34) - 
   (s13*z3)/(s34^2*z34) - (s13^2*z3)/(s12*s34^2*z34) - 
   (s12*s13*z3)/(2*s134*s34^2*z34) - (s13^2*z3)/(2*s134*s34^2*z34) - 
   (2*s14*z3)/(s34^2*z34) - (3*s13*s14*z3)/(s12*s34^2*z34) - 
   (s12*s14*z3)/(s134*s34^2*z34) - (3*s13*s14*z3)/(2*s134*s34^2*z34) - 
   (2*s14^2*z3)/(s12*s34^2*z34) - (s14^2*z3)/(s134*s34^2*z34) - 
   (s23*z3)/(s34^2*z34) - (2*s13*s23*z3)/(s12*s34^2*z34) + 
   (s13^2*s23*z3)/(2*s12*s134*s34^2*z34) - (2*s14*s23*z3)/(s12*s34^2*z34) + 
   (s13*s14*s23*z3)/(s12^2*s34^2*z34) + (3*s13*s14*s23*z3)/
    (2*s12*s134*s34^2*z34) + (s14^2*s23*z3)/(s12^2*s34^2*z34) + 
   (s14^2*s23*z3)/(s12*s134*s34^2*z34) + (s23^2*z3)/(s12*s34^2*z34) + 
   (2*s13*s23^2*z3)/(s12^2*s34^2*z34) + (s13*s23^2*z3)/
    (2*s12*s134*s34^2*z34) + (3*s14*s23^2*z3)/(s12^2*s34^2*z34) + 
   (s14*s23^2*z3)/(s12*s134*s34^2*z34) + (2*s23^3*z3)/(s12^2*s34^2*z34) - 
   (s12*s23*z3)/(2*s234*s34^2*z34) + (s13^2*s23*z3)/(2*s12*s234*s34^2*z34) + 
   (s12*s13*s23*z3)/(s134*s234*s34^2*z34) + 
   (s13^2*s23*z3)/(s134*s234*s34^2*z34) + (s14*s23*z3)/(2*s234*s34^2*z34) + 
   (3*s13*s14*s23*z3)/(2*s12*s234*s34^2*z34) + 
   (s12*s14*s23*z3)/(s134*s234*s34^2*z34) + (2*s13*s14*s23*z3)/
    (s134*s234*s34^2*z34) + (s14^2*s23*z3)/(s12*s234*s34^2*z34) + 
   (s14^2*s23*z3)/(s134*s234*s34^2*z34) + (3*s23^2*z3)/(2*s234*s34^2*z34) + 
   (5*s13*s23^2*z3)/(2*s12*s234*s34^2*z34) + 
   (s13*s23^2*z3)/(s134*s234*s34^2*z34) + (3*s14*s23^2*z3)/
    (s12*s234*s34^2*z34) + (s14*s23^2*z3)/(s134*s234*s34^2*z34) + 
   (2*s23^3*z3)/(s12*s234*s34^2*z34) - (2*s24*z3)/(s34^2*z34) - 
   (4*s13*s24*z3)/(s12*s34^2*z34) - (s13^2*s24*z3)/(s12^2*s34^2*z34) + 
   (s13^2*s24*z3)/(2*s12*s134*s34^2*z34) - (4*s14*s24*z3)/(s12*s34^2*z34) - 
   (s13*s14*s24*z3)/(s12^2*s34^2*z34) + (3*s13*s14*s24*z3)/
    (2*s12*s134*s34^2*z34) + (s14^2*s24*z3)/(s12*s134*s34^2*z34) + 
   (s23*s24*z3)/(s12*s34^2*z34) + (3*s13*s23*s24*z3)/(s12^2*s34^2*z34) + 
   (s13*s23*s24*z3)/(s12*s134*s34^2*z34) + (5*s14*s23*s24*z3)/
    (s12^2*s34^2*z34) + (2*s14*s23*s24*z3)/(s12*s134*s34^2*z34) + 
   (6*s23^2*s24*z3)/(s12^2*s34^2*z34) - (s12*s24*z3)/(s234*s34^2*z34) - 
   (3*s13*s24*z3)/(2*s234*s34^2*z34) - (s13^2*s24*z3)/
    (2*s12*s234*s34^2*z34) - (s14*s24*z3)/(s234*s34^2*z34) - 
   (s13*s14*s24*z3)/(2*s12*s234*s34^2*z34) + 
   (3*s23*s24*z3)/(2*s234*s34^2*z34) + (3*s13*s23*s24*z3)/
    (s12*s234*s34^2*z34) + (s13*s23*s24*z3)/(s134*s234*s34^2*z34) + 
   (4*s14*s23*s24*z3)/(s12*s234*s34^2*z34) + (s14*s23*s24*z3)/
    (s134*s234*s34^2*z34) + (5*s23^2*s24*z3)/(s12*s234*s34^2*z34) + 
   (s13*s24^2*z3)/(s12^2*s34^2*z34) + (s13*s24^2*z3)/(2*s12*s134*s34^2*z34) + 
   (2*s14*s24^2*z3)/(s12^2*s34^2*z34) + (s14*s24^2*z3)/(s12*s134*s34^2*z34) + 
   (6*s23*s24^2*z3)/(s12^2*s34^2*z34) + (s13*s24^2*z3)/
    (2*s12*s234*s34^2*z34) + (s14*s24^2*z3)/(s12*s234*s34^2*z34) + 
   (4*s23*s24^2*z3)/(s12*s234*s34^2*z34) + (2*s24^3*z3)/(s12^2*s34^2*z34) + 
   (s24^3*z3)/(s12*s234*s34^2*z34) + z3/(s34*z34) - 
   (3*s13*z3)/(4*s123*s34*z34) - (s13*z3)/(4*s124*s34*z34) - 
   (3*s13^2*z3)/(4*s12*s123*s34*z34) - (s13^2*z3)/(4*s12*s124*s34*z34) - 
   (s13*z3)/(2*s134*s34*z34) - (s12*s13*z3)/(s123*s134*s34*z34) + 
   (s12*s13*z3)/(2*s124*s134*s34*z34) - (s13^2*z3)/(s123*s134*s34*z34) + 
   (s13^2*z3)/(2*s124*s134*s34*z34) - (s14*z3)/(s12*s34*z34) - 
   (3*s14*z3)/(4*s123*s34*z34) - (3*s14*z3)/(4*s124*s34*z34) - 
   (3*s13*s14*z3)/(2*s12*s123*s34*z34) - (s13*s14*z3)/(s12*s124*s34*z34) - 
   (s14*z3)/(s134*s34*z34) - (s12*s14*z3)/(s123*s134*s34*z34) + 
   (s12*s14*z3)/(2*s124*s134*s34*z34) - (2*s13*s14*z3)/(s123*s134*s34*z34) + 
   (s13*s14*z3)/(s124*s134*s34*z34) - (3*s14^2*z3)/(4*s12*s123*s34*z34) - 
   (3*s14^2*z3)/(4*s12*s124*s34*z34) - (s14^2*z3)/(s123*s134*s34*z34) + 
   (s14^2*z3)/(2*s124*s134*s34*z34) + (2*s23*z3)/(s12*s34*z34) - 
   (3*s23*z3)/(4*s123*s34*z34) - (s23*z3)/(4*s124*s34*z34) + 
   (2*s13*s23*z3)/(s12^2*s34*z34) - (3*s13*s23*z3)/(2*s12*s123*s34*z34) - 
   (s13*s23*z3)/(2*s12*s124*s34*z34) + (s23*z3)/(s134*s34*z34) + 
   (3*s13*s23*z3)/(2*s12*s134*s34*z34) + (s13*s23*z3)/(s123*s134*s34*z34) + 
   (s13*s23*z3)/(2*s124*s134*s34*z34) + (2*s13^2*s23*z3)/
    (s12*s123*s134*s34*z34) + (3*s14*s23*z3)/(s12^2*s34*z34) - 
   (s14*s23*z3)/(s12*s123*s34*z34) - (3*s14*s23*z3)/(2*s12*s124*s34*z34) + 
   (s13*s14*s23*z3)/(2*s12^2*s123*s34*z34) - (s13*s14*s23*z3)/
    (2*s12^2*s124*s34*z34) + (2*s14*s23*z3)/(s12*s134*s34*z34) + 
   (s14*s23*z3)/(s123*s134*s34*z34) + (s14*s23*z3)/(2*s124*s134*s34*z34) + 
   (4*s13*s14*s23*z3)/(s12*s123*s134*s34*z34) + 
   (s14^2*s23*z3)/(2*s12^2*s123*s34*z34) - 
   (s14^2*s23*z3)/(2*s12^2*s124*s34*z34) + (2*s14^2*s23*z3)/
    (s12*s123*s134*s34*z34) + (4*s23^2*z3)/(s12^2*s34*z34) + 
   (s23^2*z3)/(4*s12*s123*s34*z34) - (s23^2*z3)/(4*s12*s124*s34*z34) + 
   (s13*s23^2*z3)/(s12^2*s123*s34*z34) + (s23^2*z3)/(s12*s134*s34*z34) + 
   (2*s13*s23^2*z3)/(s12*s123*s134*s34*z34) + 
   (3*s14*s23^2*z3)/(2*s12^2*s123*s34*z34) - 
   (s14*s23^2*z3)/(2*s12^2*s124*s34*z34) + (2*s14*s23^2*z3)/
    (s12*s123*s134*s34*z34) + (s23^3*z3)/(s12^2*s123*s34*z34) + 
   (3*s23*z3)/(2*s234*s34*z34) + (s12*s23*z3)/(2*s123*s234*s34*z34) - 
   (s12*s23*z3)/(s124*s234*s34*z34) + (5*s13*s23*z3)/(2*s12*s234*s34*z34) + 
   (s13*s23*z3)/(2*s123*s234*s34*z34) - (s13*s23*z3)/(s124*s234*s34*z34) + 
   (s12*s23*z3)/(s134*s234*s34*z34) + (2*s13*s23*z3)/(s134*s234*s34*z34) + 
   (3*s14*s23*z3)/(s12*s234*s34*z34) + (s14*s23*z3)/(2*s123*s234*s34*z34) - 
   (s14*s23*z3)/(s124*s234*s34*z34) + (2*s14*s23*z3)/(s134*s234*s34*z34) + 
   (4*s23^2*z3)/(s12*s234*s34*z34) - (s23^2*z3)/(2*s123*s234*s34*z34) - 
   (s23^2*z3)/(s124*s234*s34*z34) - (s13*s23^2*z3)/(s12*s123*s234*s34*z34) + 
   (s23^2*z3)/(s134*s234*s34*z34) - (s14*s23^2*z3)/(s12*s123*s234*s34*z34) - 
   (s23^3*z3)/(s12*s123*s234*s34*z34) - (3*s24*z3)/(4*s123*s34*z34) - 
   (3*s24*z3)/(4*s124*s34*z34) - (9*s13*s24*z3)/(4*s12*s123*s34*z34) - 
   (3*s13*s24*z3)/(4*s12*s124*s34*z34) - (3*s13^2*s24*z3)/
    (4*s12^2*s123*s34*z34) + (s13^2*s24*z3)/(4*s12^2*s124*s34*z34) + 
   (s13*s24*z3)/(2*s12*s134*s34*z34) - (s13*s24*z3)/(s123*s134*s34*z34) - 
   (s13*s24*z3)/(2*s124*s134*s34*z34) - (s13^2*s24*z3)/
    (s12*s124*s134*s34*z34) + (s14*s24*z3)/(s12^2*s34*z34) - 
   (7*s14*s24*z3)/(4*s12*s123*s34*z34) - (7*s14*s24*z3)/
    (4*s12*s124*s34*z34) - (s13*s14*s24*z3)/(s12^2*s123*s34*z34) + 
   (s14*s24*z3)/(s12*s134*s34*z34) - (s14*s24*z3)/(s123*s134*s34*z34) - 
   (s14*s24*z3)/(2*s124*s134*s34*z34) - (2*s13*s14*s24*z3)/
    (s12*s124*s134*s34*z34) - (s14^2*s24*z3)/(4*s12^2*s123*s34*z34) - 
   (s14^2*s24*z3)/(4*s12^2*s124*s34*z34) - 
   (s14^2*s24*z3)/(s12*s124*s134*s34*z34) + (7*s23*s24*z3)/(s12^2*s34*z34) - 
   (s23*s24*z3)/(4*s12*s123*s34*z34) + (s23*s24*z3)/(4*s12*s124*s34*z34) + 
   (s13*s23*s24*z3)/(2*s12^2*s123*s34*z34) + (3*s13*s23*s24*z3)/
    (2*s12^2*s124*s34*z34) + (s23*s24*z3)/(s12*s134*s34*z34) + 
   (2*s13*s23*s24*z3)/(s12*s123*s134*s34*z34) - 
   (s13*s23*s24*z3)/(s12*s124*s134*s34*z34) + (3*s14*s23*s24*z3)/
    (2*s12^2*s123*s34*z34) + (s14*s23*s24*z3)/(2*s12^2*s124*s34*z34) + 
   (2*s14*s23*s24*z3)/(s12*s123*s134*s34*z34) - 
   (s14*s23*s24*z3)/(s12*s124*s134*s34*z34) + 
   (9*s23^2*s24*z3)/(4*s12^2*s123*s34*z34) + (5*s23^2*s24*z3)/
    (4*s12^2*s124*s34*z34) + (s12*s24*z3)/(2*s123*s234*s34*z34) - 
   (s12*s24*z3)/(s124*s234*s34*z34) + (s13*s24*z3)/(2*s12*s234*s34*z34) + 
   (s13*s24*z3)/(2*s123*s234*s34*z34) - (s13*s24*z3)/(s124*s234*s34*z34) + 
   (s14*s24*z3)/(s12*s234*s34*z34) + (s14*s24*z3)/(2*s123*s234*s34*z34) - 
   (s14*s24*z3)/(s124*s234*s34*z34) + (6*s23*s24*z3)/(s12*s234*s34*z34) - 
   (s13*s23*s24*z3)/(s12*s123*s234*s34*z34) + (2*s13*s23*s24*z3)/
    (s12*s124*s234*s34*z34) + (s23*s24*z3)/(s134*s234*s34*z34) - 
   (s14*s23*s24*z3)/(s12*s123*s234*s34*z34) + (2*s14*s23*s24*z3)/
    (s12*s124*s234*s34*z34) - (2*s23^2*s24*z3)/(s12*s123*s234*s34*z34) + 
   (2*s23^2*s24*z3)/(s12*s124*s234*s34*z34) + (3*s24^2*z3)/(s12^2*s34*z34) - 
   (s24^2*z3)/(2*s12*s123*s34*z34) + (s24^2*z3)/(2*s12*s124*s34*z34) - 
   (s13*s24^2*z3)/(2*s12^2*s123*s34*z34) + (3*s13*s24^2*z3)/
    (2*s12^2*s124*s34*z34) - (s13*s24^2*z3)/(s12*s124*s134*s34*z34) + 
   (s14*s24^2*z3)/(s12^2*s124*s34*z34) - (s14*s24^2*z3)/
    (s12*s124*s134*s34*z34) + (3*s23*s24^2*z3)/(2*s12^2*s123*s34*z34) + 
   (5*s23*s24^2*z3)/(2*s12^2*s124*s34*z34) + 
   (2*s24^2*z3)/(s12*s234*s34*z34) + (s24^2*z3)/(2*s123*s234*s34*z34) + 
   (s24^2*z3)/(s124*s234*s34*z34) + (2*s13*s24^2*z3)/
    (s12*s124*s234*s34*z34) + (2*s14*s24^2*z3)/(s12*s124*s234*s34*z34) - 
   (s23*s24^2*z3)/(s12*s123*s234*s34*z34) + (4*s23*s24^2*z3)/
    (s12*s124*s234*s34*z34) + (s24^3*z3)/(4*s12^2*s123*s34*z34) + 
   (5*s24^3*z3)/(4*s12^2*s124*s34*z34) + 
   (2*s24^3*z3)/(s12*s124*s234*s34*z34) - (s34*z3)/(s123*s134*z34) + 
   (s34*z3)/(2*s124*s134*z34) + (s23*s34*z3)/(s12^2*s123*z34) + 
   (2*s23*s34*z3)/(s12*s123*s134*z34) + (s34*z3)/(2*s123*s234*z34) - 
   (s34*z3)/(s124*s234*z34) - (s23*s34*z3)/(s12*s123*s234*z34) + 
   (s24*s34*z3)/(s12^2*s124*z34) - (s24*s34*z3)/(s12*s124*s134*z34) + 
   (2*s24*s34*z3)/(s12*s124*s234*z34) - (z1*z3)/(s12*z12*z34) + 
   (z1*z3)/(2*s123*z12*z34) - (z1*z3)/(2*s124*z12*z34) + 
   (3*s13*z1*z3)/(4*s12*s123*z12*z34) - (3*s13*z1*z3)/(4*s12*s124*z12*z34) + 
   (3*s14*z1*z3)/(4*s12*s123*z12*z34) - (3*s14*z1*z3)/(4*s12*s124*z12*z34) - 
   (2*s23*z1*z3)/(s12^2*z12*z34) + (s23*z1*z3)/(4*s12*s123*z12*z34) - 
   (s23*z1*z3)/(4*s12*s124*z12*z34) - (s13*s23*z1*z3)/(s12^2*s123*z12*z34) - 
   (s23*z1*z3)/(2*s12*s134*z12*z34) - (3*s14*s23*z1*z3)/
    (2*s12^2*s123*z12*z34) + (s14*s23*z1*z3)/(2*s12^2*s124*z12*z34) - 
   (s23^2*z1*z3)/(s12^2*s123*z12*z34) - (s23*z1*z3)/(2*s12*s234*z12*z34) - 
   (s24*z1*z3)/(s12^2*z12*z34) + (7*s24*z1*z3)/(4*s12*s123*z12*z34) - 
   (3*s24*z1*z3)/(4*s12*s124*z12*z34) + (3*s13*s24*z1*z3)/
    (4*s12^2*s123*z12*z34) - (5*s13*s24*z1*z3)/(4*s12^2*s124*z12*z34) + 
   (s14*s24*z1*z3)/(4*s12^2*s123*z12*z34) - (3*s14*s24*z1*z3)/
    (4*s12^2*s124*z12*z34) - (3*s23*s24*z1*z3)/(4*s12^2*s123*z12*z34) - 
   (3*s23*s24*z1*z3)/(4*s12^2*s124*z12*z34) + 
   (s24^2*z1*z3)/(4*s12^2*s123*z12*z34) - (3*s24^2*z1*z3)/
    (4*s12^2*s124*z12*z34) + (s23*z1*z3)/(s34^2*z12*z34) + 
   (s13*s23*z1*z3)/(s12*s34^2*z12*z34) - (s13*s23*z1*z3)/
    (4*s134*s34^2*z12*z34) - (s13^2*s23*z1*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (s13*s14*s23*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s14*s23*z1*z3)/(4*s134*s34^2*z12*z34) - (s13*s14*s23*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) - (s14^2*s23*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s14^2*s23*z1*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s23^2*z1*z3)/(s12*s34^2*z12*z34) - (s23^2*z1*z3)/(4*s134*s34^2*z12*z34) - 
   (s13*s23^2*z1*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s23^2*z1*z3)/(s12^2*s34^2*z12*z34) - (s14*s23^2*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) - (s23^3*z1*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (s13*s23*z1*z3)/(4*s234*s34^2*z12*z34) - (s13^2*s23*z1*z3)/
    (4*s12*s234*s34^2*z12*z34) - (s14*s23*z1*z3)/(4*s234*s34^2*z12*z34) - 
   (s13*s14*s23*z1*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (s14^2*s23*z1*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (s23^2*z1*z3)/(4*s234*s34^2*z12*z34) - (s13*s23^2*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s14*s23^2*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s23^3*z1*z3)/(4*s12*s234*s34^2*z12*z34) + 
   (2*s24*z1*z3)/(s34^2*z12*z34) + (3*s13*s24*z1*z3)/(s12*s34^2*z12*z34) + 
   (s13^2*s24*z1*z3)/(s12^2*s34^2*z12*z34) + (2*s14*s24*z1*z3)/
    (s12*s34^2*z12*z34) + (s13*s14*s24*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (3*s23*s24*z1*z3)/(s12*s34^2*z12*z34) + (s13*s23*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) - (s23*s24*z1*z3)/(4*s134*s34^2*z12*z34) - 
   (s13*s23*s24*z1*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s23*s24*z1*z3)/(s12^2*s34^2*z12*z34) - (s14*s23*s24*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) - (s23^2*s24*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) - (s23*s24*z1*z3)/(4*s234*s34^2*z12*z34) - 
   (s13*s23*s24*z1*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (s14*s23*s24*z1*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (s23^2*s24*z1*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (2*s24^2*z1*z3)/(s12*s34^2*z12*z34) + (s13*s24^2*z1*z3)/
    (s12^2*s34^2*z12*z34) - (s23*s24^2*z1*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (s23*s24^2*z1*z3)/(4*s12*s234*s34^2*z12*z34) - (z1*z3)/(s34*z12*z34) - 
   (s13*z1*z3)/(s12*s34*z12*z34) + (s13*z1*z3)/(4*s123*s34*z12*z34) - 
   (s13*z1*z3)/(4*s124*s34*z12*z34) + (s13^2*z1*z3)/
    (4*s12*s123*s34*z12*z34) - (s13^2*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (s14*z1*z3)/(s12*s34*z12*z34) + (s14*z1*z3)/(4*s123*s34*z12*z34) - 
   (s14*z1*z3)/(4*s124*s34*z12*z34) + (s13*s14*z1*z3)/
    (2*s12*s123*s34*z12*z34) - (s13*s14*z1*z3)/(2*s12*s124*s34*z12*z34) + 
   (s14^2*z1*z3)/(4*s12*s123*s34*z12*z34) - 
   (s14^2*z1*z3)/(4*s12*s124*s34*z12*z34) - (2*s23*z1*z3)/(s12*s34*z12*z34) + 
   (3*s23*z1*z3)/(4*s123*s34*z12*z34) + (s23*z1*z3)/(4*s124*s34*z12*z34) - 
   (2*s13*s23*z1*z3)/(s12^2*s34*z12*z34) + (s13*s23*z1*z3)/
    (s12*s123*s34*z12*z34) - (s23*z1*z3)/(2*s134*s34*z12*z34) - 
   (3*s13*s23*z1*z3)/(4*s12*s134*s34*z12*z34) - 
   (3*s14*s23*z1*z3)/(s12^2*s34*z12*z34) + (s14*s23*z1*z3)/
    (2*s12*s123*s34*z12*z34) + (s14*s23*z1*z3)/(2*s12*s124*s34*z12*z34) - 
   (s13*s14*s23*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14*s23*z1*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (3*s14*s23*z1*z3)/(4*s12*s134*s34*z12*z34) - 
   (s14^2*s23*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z1*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (2*s23^2*z1*z3)/(s12^2*s34*z12*z34) + (3*s23^2*z1*z3)/
    (4*s12*s123*s34*z12*z34) + (s23^2*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (3*s23^2*z1*z3)/(4*s12*s134*s34*z12*z34) - 
   (s14*s23^2*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23^2*z1*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (s23*z1*z3)/(2*s234*s34*z12*z34) - (3*s13*s23*z1*z3)/
    (4*s12*s234*s34*z12*z34) - (3*s14*s23*z1*z3)/(4*s12*s234*s34*z12*z34) - 
   (3*s23^2*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (5*s24*z1*z3)/(4*s123*s34*z12*z34) + (3*s24*z1*z3)/(4*s124*s34*z12*z34) + 
   (9*s13*s24*z1*z3)/(4*s12*s123*s34*z12*z34) + 
   (s13*s24*z1*z3)/(4*s12*s124*s34*z12*z34) + (3*s13^2*s24*z1*z3)/
    (4*s12^2*s123*s34*z12*z34) - (s13^2*s24*z1*z3)/
    (4*s12^2*s124*s34*z12*z34) - (s14*s24*z1*z3)/(s12^2*s34*z12*z34) + 
   (7*s14*s24*z1*z3)/(4*s12*s123*s34*z12*z34) + 
   (3*s14*s24*z1*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14*s24*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (s14^2*s24*z1*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^2*s24*z1*z3)/(4*s12^2*s124*s34*z12*z34) - 
   (3*s23*s24*z1*z3)/(s12^2*s34*z12*z34) + (9*s23*s24*z1*z3)/
    (4*s12*s123*s34*z12*z34) + (5*s23*s24*z1*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13*s23*s24*z1*z3)/(s12^2*s123*s34*z12*z34) - 
   (3*s23*s24*z1*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14*s23*s24*z1*z3)/(s12^2*s124*s34*z12*z34) + 
   (s23^2*s24*z1*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s23^2*s24*z1*z3)/(4*s12^2*s124*s34*z12*z34) - 
   (3*s23*s24*z1*z3)/(4*s12*s234*s34*z12*z34) - 
   (s24^2*z1*z3)/(s12^2*s34*z12*z34) + (3*s24^2*z1*z3)/
    (2*s12*s123*s34*z12*z34) + (s24^2*z1*z3)/(s12*s124*s34*z12*z34) + 
   (s13*s24^2*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (s14*s24^2*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s24^2*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s23*s24^2*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s23*s24^2*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s24^3*z1*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s24^3*z1*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s34*z1*z3)/(2*s12*s123*z12*z34) - (s34*z1*z3)/(2*s12*s124*z12*z34) - 
   (s23*s34*z1*z3)/(s12^2*s123*z12*z34) - (s24*s34*z1*z3)/
    (s12^2*s124*z12*z34) + (4*z1*z2*z3)/(s12*z12^2*z34) + 
   (2*z1*z2*z3)/(s123*z12^2*z34) + (2*z1*z2*z3)/(s124*z12^2*z34) + 
   (4*s13*z1*z2*z3)/(s12^2*z12^2*z34) + (5*s13*z1*z2*z3)/
    (s12*s123*z12^2*z34) + (3*s13*z1*z2*z3)/(s12*s124*z12^2*z34) + 
   (3*s13^2*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (2*s14*z1*z2*z3)/(s12^2*z12^2*z34) + (3*s14*z1*z2*z3)/
    (s12*s123*z12^2*z34) + (5*s14*z1*z2*z3)/(s12*s124*z12^2*z34) + 
   (3*s13*s14*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (3*s13*s14*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (3*s14^2*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (4*s23*z1*z2*z3)/(s12^2*z12^2*z34) + (5*s23*z1*z2*z3)/
    (s12*s123*z12^2*z34) + (3*s23*z1*z2*z3)/(s12*s124*z12^2*z34) + 
   (6*s13*s23*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (3*s14*s23*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (3*s14*s23*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (3*s23^2*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (2*s24*z1*z2*z3)/(s12^2*z12^2*z34) + (3*s24*z1*z2*z3)/
    (s12*s123*z12^2*z34) + (5*s24*z1*z2*z3)/(s12*s124*z12^2*z34) + 
   (3*s13*s24*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (3*s13*s24*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (6*s14*s24*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (3*s23*s24*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (3*s23*s24*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (3*s24^2*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (2*s13*z1*z2*z3)/(s34^2*z12^2*z34) + (4*s13^2*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) + (2*s13^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (4*s14*z1*z2*z3)/(s34^2*z12^2*z34) + (10*s13*s14*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) + (6*s13^2*s14*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (6*s14^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) + (6*s13*s14^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (2*s14^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (2*s23*z1*z2*z3)/(s34^2*z12^2*z34) + (8*s13*s23*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) + (6*s13^2*s23*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (10*s14*s23*z1*z2*z3)/(s12*s34^2*z12^2*z34) + (12*s13*s14*s23*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (6*s14^2*s23*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (4*s23^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (6*s13*s23^2*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (6*s14*s23^2*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (2*s23^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (4*s24*z1*z2*z3)/(s34^2*z12^2*z34) + (10*s13*s24*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) + (6*s13^2*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (12*s14*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) + (12*s13*s14*s24*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (6*s14^2*s24*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (10*s23*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (12*s13*s23*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (12*s14*s23*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (6*s23^2*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (6*s24^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) + (6*s13*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (6*s14*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (6*s23*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (2*s24^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (4*z1*z2*z3)/(s34*z12^2*z34) + (10*s13*z1*z2*z3)/(s12*s34*z12^2*z34) + 
   (s13*z1*z2*z3)/(s123*s34*z12^2*z34) + (s13*z1*z2*z3)/
    (s124*s34*z12^2*z34) + (6*s13^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (2*s13^2*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (s13^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (s13^3*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (10*s14*z1*z2*z3)/(s12*s34*z12^2*z34) + 
   (s14*z1*z2*z3)/(s123*s34*z12^2*z34) + (s14*z1*z2*z3)/
    (s124*s34*z12^2*z34) + (10*s13*s14*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (3*s13*s14*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (3*s13*s14*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (2*s13^2*s14*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (s13^2*s14*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (4*s14^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (s14^2*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (2*s14^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (s13*s14^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s14^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (s14^3*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (10*s23*z1*z2*z3)/(s12*s34*z12^2*z34) + 
   (s23*z1*z2*z3)/(s123*s34*z12^2*z34) + (s23*z1*z2*z3)/
    (s124*s34*z12^2*z34) + (12*s13*s23*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (4*s13*s23*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (2*s13*s23*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (3*s13^2*s23*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (10*s14*s23*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (3*s14*s23*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (3*s14*s23*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (4*s13*s14*s23*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s14*s23*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (s14^2*s23*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s14^2*s23*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (6*s23^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) + (2*s23^2*z1*z2*z3)/
    (s12*s123*s34*z12^2*z34) + (s23^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (3*s13*s23^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s14*s23^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (s14*s23^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (s23^3*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (10*s24*z1*z2*z3)/(s12*s34*z12^2*z34) + 
   (s24*z1*z2*z3)/(s123*s34*z12^2*z34) + (s24*z1*z2*z3)/
    (s124*s34*z12^2*z34) + (10*s13*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (3*s13*s24*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (3*s13*s24*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (2*s13^2*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (s13^2*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (8*s14*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (2*s14*s24*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (4*s14*s24*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (2*s13*s14*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (4*s13*s14*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (3*s14^2*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (10*s23*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (3*s23*s24*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (3*s23*s24*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (4*s13*s23*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s23*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (2*s14*s23*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (4*s14*s23*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (2*s23^2*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (s23^2*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (4*s24^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (s24^2*z1*z2*z3)/(s12*s123*s34*z12^2*z34) + 
   (2*s24^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) + 
   (s13*s24^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (3*s14*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (s23*s24^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s23*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (s24^3*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) + 
   (2*s34*z1*z2*z3)/(s12*s123*z12^2*z34) + (2*s34*z1*z2*z3)/
    (s12*s124*z12^2*z34) + (2*s13*s34*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (2*s14*s34*z1*z2*z3)/(s12^2*s124*z12^2*z34) + 
   (2*s23*s34*z1*z2*z3)/(s12^2*s123*z12^2*z34) + 
   (2*s24*s34*z1*z2*z3)/(s12^2*s124*z12^2*z34) - (3*z2*z3)/(s12*z12*z34) - 
   (z2*z3)/(2*s123*z12*z34) - (3*z2*z3)/(2*s124*z12*z34) - 
   (4*s13*z2*z3)/(s12^2*z12*z34) - (11*s13*z2*z3)/(4*s12*s123*z12*z34) - 
   (9*s13*z2*z3)/(4*s12*s124*z12*z34) - (3*s13^2*z2*z3)/
    (s12^2*s123*z12*z34) - (3*z2*z3)/(2*s134*z12*z34) - 
   (2*s12*z2*z3)/(s123*s134*z12*z34) + (s12*z2*z3)/(s124*s134*z12*z34) - 
   (7*s13*z2*z3)/(4*s12*s134*z12*z34) - (6*s13*z2*z3)/(s123*s134*z12*z34) + 
   (2*s13*z2*z3)/(s124*s134*z12*z34) - (4*s13^2*z2*z3)/
    (s12*s123*s134*z12*z34) - (2*s14*z2*z3)/(s12^2*z12*z34) - 
   (3*s14*z2*z3)/(4*s12*s123*z12*z34) - (17*s14*z2*z3)/(4*s12*s124*z12*z34) - 
   (3*s13*s14*z2*z3)/(s12^2*s123*z12*z34) - (3*s13*s14*z2*z3)/
    (s12^2*s124*z12*z34) - (3*s14*z2*z3)/(4*s12*s134*z12*z34) - 
   (4*s14*z2*z3)/(s123*s134*z12*z34) + (3*s14*z2*z3)/(s124*s134*z12*z34) - 
   (4*s13*s14*z2*z3)/(s12*s123*s134*z12*z34) + 
   (2*s13*s14*z2*z3)/(s12*s124*s134*z12*z34) - 
   (3*s14^2*z2*z3)/(s12^2*s124*z12*z34) + (2*s14^2*z2*z3)/
    (s12*s124*s134*z12*z34) - (2*s23*z2*z3)/(s12^2*z12*z34) - 
   (9*s23*z2*z3)/(4*s12*s123*z12*z34) - (11*s23*z2*z3)/(4*s12*s124*z12*z34) - 
   (5*s13*s23*z2*z3)/(s12^2*s123*z12*z34) - 
   (5*s23*z2*z3)/(4*s12*s134*z12*z34) - (4*s23*z2*z3)/(s123*s134*z12*z34) + 
   (s23*z2*z3)/(s124*s134*z12*z34) - (6*s13*s23*z2*z3)/
    (s12*s123*s134*z12*z34) - (3*s14*s23*z2*z3)/(2*s12^2*s123*z12*z34) - 
   (7*s14*s23*z2*z3)/(2*s12^2*s124*z12*z34) - 
   (4*s14*s23*z2*z3)/(s12*s123*s134*z12*z34) + 
   (s14*s23*z2*z3)/(s12*s124*s134*z12*z34) - 
   (2*s23^2*z2*z3)/(s12^2*s123*z12*z34) - (2*s23^2*z2*z3)/
    (s12*s123*s134*z12*z34) - (z2*z3)/(2*s234*z12*z34) + 
   (s12*z2*z3)/(s123*s234*z12*z34) - (2*s12*z2*z3)/(s124*s234*z12*z34) - 
   (5*s13*z2*z3)/(4*s12*s234*z12*z34) + (2*s13*z2*z3)/(s123*s234*z12*z34) - 
   (2*s13*z2*z3)/(s124*s234*z12*z34) + (s13^2*z2*z3)/
    (s12*s123*s234*z12*z34) - (s14*z2*z3)/(4*s12*s234*z12*z34) + 
   (s14*z2*z3)/(s123*s234*z12*z34) - (4*s14*z2*z3)/(s124*s234*z12*z34) + 
   (s13*s14*z2*z3)/(s12*s123*s234*z12*z34) - (2*s13*s14*z2*z3)/
    (s12*s124*s234*z12*z34) - (2*s14^2*z2*z3)/(s12*s124*s234*z12*z34) - 
   (3*s23*z2*z3)/(4*s12*s234*z12*z34) + (3*s23*z2*z3)/(s123*s234*z12*z34) - 
   (4*s23*z2*z3)/(s124*s234*z12*z34) + (3*s13*s23*z2*z3)/
    (s12*s123*s234*z12*z34) + (s14*s23*z2*z3)/(s12*s123*s234*z12*z34) - 
   (4*s14*s23*z2*z3)/(s12*s124*s234*z12*z34) + 
   (2*s23^2*z2*z3)/(s12*s123*s234*z12*z34) - (s24*z2*z3)/(s12^2*z12*z34) - 
   (7*s24*z2*z3)/(4*s12*s123*z12*z34) - (17*s24*z2*z3)/(4*s12*s124*z12*z34) - 
   (15*s13*s24*z2*z3)/(4*s12^2*s123*z12*z34) - 
   (7*s13*s24*z2*z3)/(4*s12^2*s124*z12*z34) - 
   (3*s24*z2*z3)/(4*s12*s134*z12*z34) - (2*s24*z2*z3)/(s123*s134*z12*z34) + 
   (2*s24*z2*z3)/(s124*s134*z12*z34) - (2*s13*s24*z2*z3)/
    (s12*s123*s134*z12*z34) + (2*s13*s24*z2*z3)/(s12*s124*s134*z12*z34) - 
   (s14*s24*z2*z3)/(4*s12^2*s123*z12*z34) - (21*s14*s24*z2*z3)/
    (4*s12^2*s124*z12*z34) + (3*s14*s24*z2*z3)/(s12*s124*s134*z12*z34) - 
   (9*s23*s24*z2*z3)/(4*s12^2*s123*z12*z34) - 
   (9*s23*s24*z2*z3)/(4*s12^2*s124*z12*z34) - 
   (2*s23*s24*z2*z3)/(s12*s123*s134*z12*z34) + 
   (s23*s24*z2*z3)/(s12*s124*s134*z12*z34) - 
   (s24*z2*z3)/(4*s12*s234*z12*z34) + (2*s24*z2*z3)/(s123*s234*z12*z34) - 
   (6*s24*z2*z3)/(s124*s234*z12*z34) + (2*s13*s24*z2*z3)/
    (s12*s123*s234*z12*z34) - (2*s13*s24*z2*z3)/(s12*s124*s234*z12*z34) - 
   (6*s14*s24*z2*z3)/(s12*s124*s234*z12*z34) + 
   (2*s23*s24*z2*z3)/(s12*s123*s234*z12*z34) - 
   (4*s23*s24*z2*z3)/(s12*s124*s234*z12*z34) - 
   (s24^2*z2*z3)/(4*s12^2*s123*z12*z34) - (9*s24^2*z2*z3)/
    (4*s12^2*s124*z12*z34) + (s24^2*z2*z3)/(s12*s124*s134*z12*z34) - 
   (4*s24^2*z2*z3)/(s12*s124*s234*z12*z34) - (s13*z2*z3)/(s34^2*z12*z34) - 
   (3*s13^2*z2*z3)/(s12*s34^2*z12*z34) - (2*s13^3*z2*z3)/
    (s12^2*s34^2*z12*z34) - (s12*s13*z2*z3)/(s134*s34^2*z12*z34) - 
   (9*s13^2*z2*z3)/(4*s134*s34^2*z12*z34) - (5*s13^3*z2*z3)/
    (4*s12*s134*s34^2*z12*z34) - (2*s14*z2*z3)/(s34^2*z12*z34) - 
   (7*s13*s14*z2*z3)/(s12*s34^2*z12*z34) - (6*s13^2*s14*z2*z3)/
    (s12^2*s34^2*z12*z34) - (2*s12*s14*z2*z3)/(s134*s34^2*z12*z34) - 
   (21*s13*s14*z2*z3)/(4*s134*s34^2*z12*z34) - (7*s13^2*s14*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) - (4*s14^2*z2*z3)/(s12*s34^2*z12*z34) - 
   (6*s13*s14^2*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s14^2*z2*z3)/(s134*s34^2*z12*z34) - (13*s13*s14^2*z2*z3)/
    (4*s12*s134*s34^2*z12*z34) - (2*s14^3*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s14^3*z2*z3)/(s12*s134*s34^2*z12*z34) - (2*s23*z2*z3)/(s34^2*z12*z34) - 
   (7*s13*s23*z2*z3)/(s12*s34^2*z12*z34) - (6*s13^2*s23*z2*z3)/
    (s12^2*s34^2*z12*z34) - (9*s13*s23*z2*z3)/(4*s134*s34^2*z12*z34) - 
   (5*s13^2*s23*z2*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (7*s14*s23*z2*z3)/(s12*s34^2*z12*z34) - (11*s13*s14*s23*z2*z3)/
    (s12^2*s34^2*z12*z34) - (7*s14*s23*z2*z3)/(2*s134*s34^2*z12*z34) - 
   (5*s13*s14*s23*z2*z3)/(s12*s134*s34^2*z12*z34) - 
   (5*s14^2*s23*z2*z3)/(s12^2*s34^2*z12*z34) - (5*s14^2*s23*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) - (4*s23^2*z2*z3)/(s12*s34^2*z12*z34) - 
   (6*s13*s23^2*z2*z3)/(s12^2*s34^2*z12*z34) - (5*s13*s23^2*z2*z3)/
    (4*s12*s134*s34^2*z12*z34) - (5*s14*s23^2*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s14*s23^2*z2*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (2*s23^3*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s13^2*z2*z3)/(4*s234*s34^2*z12*z34) - 
   (s13^3*z2*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (s13*s14*z2*z3)/(4*s234*s34^2*z12*z34) - (s13^2*s14*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s13*s14^2*z2*z3)/
    (4*s12*s234*s34^2*z12*z34) - (s12*s23*z2*z3)/(s234*s34^2*z12*z34) - 
   (9*s13*s23*z2*z3)/(4*s234*s34^2*z12*z34) - (3*s13^2*s23*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) - (3*s14*s23*z2*z3)/(2*s234*s34^2*z12*z34) - 
   (2*s13*s14*s23*z2*z3)/(s12*s234*s34^2*z12*z34) - 
   (s14^2*s23*z2*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (2*s23^2*z2*z3)/(s234*s34^2*z12*z34) - (9*s13*s23^2*z2*z3)/
    (4*s12*s234*s34^2*z12*z34) - (3*s14*s23^2*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s23^3*z2*z3)/(s12*s234*s34^2*z12*z34) - 
   (4*s24*z2*z3)/(s34^2*z12*z34) - (10*s13*s24*z2*z3)/(s12*s34^2*z12*z34) - 
   (7*s13^2*s24*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (7*s13*s24*z2*z3)/(4*s134*s34^2*z12*z34) - (2*s13^2*s24*z2*z3)/
    (s12*s134*s34^2*z12*z34) - (10*s14*s24*z2*z3)/(s12*s34^2*z12*z34) - 
   (13*s13*s14*s24*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s14*s24*z2*z3)/(s134*s34^2*z12*z34) - (4*s13*s14*s24*z2*z3)/
    (s12*s134*s34^2*z12*z34) - (6*s14^2*s24*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (2*s14^2*s24*z2*z3)/(s12*s134*s34^2*z12*z34) - 
   (10*s23*s24*z2*z3)/(s12*s34^2*z12*z34) - (13*s13*s23*s24*z2*z3)/
    (s12^2*s34^2*z12*z34) - (2*s13*s23*s24*z2*z3)/(s12*s134*s34^2*z12*z34) - 
   (11*s14*s23*s24*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (5*s14*s23*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (6*s23^2*s24*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (2*s12*s24*z2*z3)/(s234*s34^2*z12*z34) - (15*s13*s24*z2*z3)/
    (4*s234*s34^2*z12*z34) - (2*s13^2*s24*z2*z3)/(s12*s234*s34^2*z12*z34) - 
   (3*s14*s24*z2*z3)/(s234*s34^2*z12*z34) - (3*s13*s14*s24*z2*z3)/
    (s12*s234*s34^2*z12*z34) - (s14^2*s24*z2*z3)/(s12*s234*s34^2*z12*z34) - 
   (5*s23*s24*z2*z3)/(s234*s34^2*z12*z34) - (5*s13*s23*s24*z2*z3)/
    (s12*s234*s34^2*z12*z34) - (7*s14*s23*s24*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) - (3*s23^2*s24*z2*z3)/
    (s12*s234*s34^2*z12*z34) - (6*s24^2*z2*z3)/(s12*s34^2*z12*z34) - 
   (7*s13*s24^2*z2*z3)/(s12^2*s34^2*z12*z34) - (3*s13*s24^2*z2*z3)/
    (4*s12*s134*s34^2*z12*z34) - (6*s14*s24^2*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s14*s24^2*z2*z3)/(s12*s134*s34^2*z12*z34) - 
   (6*s23*s24^2*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s24^2*z2*z3)/(s234*s34^2*z12*z34) - (11*s13*s24^2*z2*z3)/
    (4*s12*s234*s34^2*z12*z34) - (2*s14*s24^2*z2*z3)/
    (s12*s234*s34^2*z12*z34) - (3*s23*s24^2*z2*z3)/(s12*s234*s34^2*z12*z34) - 
   (2*s24^3*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s24^3*z2*z3)/(s12*s234*s34^2*z12*z34) - (3*z2*z3)/(s34*z12*z34) - 
   (8*s13*z2*z3)/(s12*s34*z12*z34) - (s13*z2*z3)/(4*s123*s34*z12*z34) - 
   (3*s13*z2*z3)/(4*s124*s34*z12*z34) - (6*s13^2*z2*z3)/(s12^2*s34*z12*z34) - 
   (5*s13^2*z2*z3)/(4*s12*s123*s34*z12*z34) - 
   (3*s13^2*z2*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13^3*z2*z3)/(s12^2*s123*s34*z12*z34) - 
   (3*s12*z2*z3)/(2*s134*s34*z12*z34) - (17*s13*z2*z3)/(4*s134*s34*z12*z34) - 
   (2*s12*s13*z2*z3)/(s123*s134*s34*z12*z34) + 
   (s12*s13*z2*z3)/(s124*s134*s34*z12*z34) - 
   (3*s13^2*z2*z3)/(s12*s134*s34*z12*z34) - (4*s13^2*z2*z3)/
    (s123*s134*s34*z12*z34) + (s13^2*z2*z3)/(s124*s134*s34*z12*z34) - 
   (2*s13^3*z2*z3)/(s12*s123*s134*s34*z12*z34) - 
   (7*s14*z2*z3)/(s12*s34*z12*z34) - (s14*z2*z3)/(4*s123*s34*z12*z34) - 
   (3*s14*z2*z3)/(4*s124*s34*z12*z34) - (10*s13*s14*z2*z3)/
    (s12^2*s34*z12*z34) - (3*s13*s14*z2*z3)/(2*s12*s123*s34*z12*z34) - 
   (5*s13*s14*z2*z3)/(2*s12*s124*s34*z12*z34) - 
   (2*s13^2*s14*z2*z3)/(s12^2*s123*s34*z12*z34) - 
   (s13^2*s14*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (17*s14*z2*z3)/(4*s134*s34*z12*z34) - (2*s12*s14*z2*z3)/
    (s123*s134*s34*z12*z34) + (s12*s14*z2*z3)/(s124*s134*s34*z12*z34) - 
   (19*s13*s14*z2*z3)/(4*s12*s134*s34*z12*z34) - 
   (6*s13*s14*z2*z3)/(s123*s134*s34*z12*z34) + 
   (3*s13*s14*z2*z3)/(s124*s134*s34*z12*z34) - (4*s13^2*s14*z2*z3)/
    (s12*s123*s134*s34*z12*z34) + (s13^2*s14*z2*z3)/
    (s12*s124*s134*s34*z12*z34) - (4*s14^2*z2*z3)/(s12^2*s34*z12*z34) - 
   (s14^2*z2*z3)/(4*s12*s123*s34*z12*z34) - (7*s14^2*z2*z3)/
    (4*s12*s124*s34*z12*z34) - (s13*s14^2*z2*z3)/(s12^2*s123*s34*z12*z34) - 
   (2*s13*s14^2*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (7*s14^2*z2*z3)/(4*s12*s134*s34*z12*z34) - 
   (2*s14^2*z2*z3)/(s123*s134*s34*z12*z34) + 
   (2*s14^2*z2*z3)/(s124*s134*s34*z12*z34) - (2*s13*s14^2*z2*z3)/
    (s12*s123*s134*s34*z12*z34) + (2*s13*s14^2*z2*z3)/
    (s12*s124*s134*s34*z12*z34) - (s14^3*z2*z3)/(s12^2*s124*s34*z12*z34) + 
   (s14^3*z2*z3)/(s12*s124*s134*s34*z12*z34) - 
   (7*s23*z2*z3)/(s12*s34*z12*z34) - (3*s23*z2*z3)/(4*s123*s34*z12*z34) - 
   (5*s23*z2*z3)/(4*s124*s34*z12*z34) - (10*s13*s23*z2*z3)/
    (s12^2*s34*z12*z34) - (3*s13*s23*z2*z3)/(s12*s123*s34*z12*z34) - 
   (2*s13*s23*z2*z3)/(s12*s124*s34*z12*z34) - (3*s13^2*s23*z2*z3)/
    (s12^2*s123*s34*z12*z34) - (11*s23*z2*z3)/(4*s134*s34*z12*z34) - 
   (17*s13*s23*z2*z3)/(4*s12*s134*s34*z12*z34) - 
   (4*s13*s23*z2*z3)/(s123*s134*s34*z12*z34) + 
   (s13*s23*z2*z3)/(s124*s134*s34*z12*z34) - (4*s13^2*s23*z2*z3)/
    (s12*s123*s134*s34*z12*z34) - (7*s14*s23*z2*z3)/(s12^2*s34*z12*z34) - 
   (3*s14*s23*z2*z3)/(2*s12*s123*s34*z12*z34) - 
   (7*s14*s23*z2*z3)/(2*s12*s124*s34*z12*z34) - (7*s13*s14*s23*z2*z3)/
    (2*s12^2*s123*s34*z12*z34) - (5*s13*s14*s23*z2*z3)/
    (2*s12^2*s124*s34*z12*z34) - (7*s14*s23*z2*z3)/(2*s12*s134*s34*z12*z34) - 
   (4*s14*s23*z2*z3)/(s123*s134*s34*z12*z34) + 
   (s14*s23*z2*z3)/(s124*s134*s34*z12*z34) - (6*s13*s14*s23*z2*z3)/
    (s12*s123*s134*s34*z12*z34) + (s13*s14*s23*z2*z3)/
    (s12*s124*s134*s34*z12*z34) - (s14^2*s23*z2*z3)/
    (2*s12^2*s123*s34*z12*z34) - (5*s14^2*s23*z2*z3)/
    (2*s12^2*s124*s34*z12*z34) - (2*s14^2*s23*z2*z3)/
    (s12*s123*s134*s34*z12*z34) + (s14^2*s23*z2*z3)/
    (s12*s124*s134*s34*z12*z34) - (4*s23^2*z2*z3)/(s12^2*s34*z12*z34) - 
   (7*s23^2*z2*z3)/(4*s12*s123*s34*z12*z34) - 
   (5*s23^2*z2*z3)/(4*s12*s124*s34*z12*z34) - (3*s13*s23^2*z2*z3)/
    (s12^2*s123*s34*z12*z34) - (5*s23^2*z2*z3)/(4*s12*s134*s34*z12*z34) - 
   (2*s13*s23^2*z2*z3)/(s12*s123*s134*s34*z12*z34) - 
   (3*s14*s23^2*z2*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (3*s14*s23^2*z2*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (2*s14*s23^2*z2*z3)/(s12*s123*s134*s34*z12*z34) - 
   (s23^3*z2*z3)/(s12^2*s123*s34*z12*z34) - 
   (s12*z2*z3)/(2*s234*s34*z12*z34) - (7*s13*z2*z3)/(4*s234*s34*z12*z34) - 
   (3*s13^2*z2*z3)/(2*s12*s234*s34*z12*z34) - 
   (3*s14*z2*z3)/(4*s234*s34*z12*z34) - (7*s13*s14*z2*z3)/
    (4*s12*s234*s34*z12*z34) - (s14^2*z2*z3)/(4*s12*s234*s34*z12*z34) - 
   (9*s23*z2*z3)/(4*s234*s34*z12*z34) + (s12*s23*z2*z3)/
    (s123*s234*s34*z12*z34) - (2*s12*s23*z2*z3)/(s124*s234*s34*z12*z34) - 
   (13*s13*s23*z2*z3)/(4*s12*s234*s34*z12*z34) + 
   (2*s13*s23*z2*z3)/(s123*s234*s34*z12*z34) - 
   (2*s13*s23*z2*z3)/(s124*s234*s34*z12*z34) + 
   (s13^2*s23*z2*z3)/(s12*s123*s234*s34*z12*z34) - 
   (3*s14*s23*z2*z3)/(2*s12*s234*s34*z12*z34) + 
   (s14*s23*z2*z3)/(s123*s234*s34*z12*z34) - (4*s14*s23*z2*z3)/
    (s124*s234*s34*z12*z34) + (s13*s14*s23*z2*z3)/(s12*s123*s234*s34*z12*
     z34) - (2*s13*s14*s23*z2*z3)/(s12*s124*s234*s34*z12*z34) - 
   (2*s14^2*s23*z2*z3)/(s12*s124*s234*s34*z12*z34) - 
   (7*s23^2*z2*z3)/(4*s12*s234*s34*z12*z34) + 
   (2*s23^2*z2*z3)/(s123*s234*s34*z12*z34) - 
   (2*s23^2*z2*z3)/(s124*s234*s34*z12*z34) + (2*s13*s23^2*z2*z3)/
    (s12*s123*s234*s34*z12*z34) + (s14*s23^2*z2*z3)/
    (s12*s123*s234*s34*z12*z34) - (2*s14*s23^2*z2*z3)/
    (s12*s124*s234*s34*z12*z34) + (s23^3*z2*z3)/(s12*s123*s234*s34*z12*z34) - 
   (8*s24*z2*z3)/(s12*s34*z12*z34) - (5*s24*z2*z3)/(4*s123*s34*z12*z34) - 
   (7*s24*z2*z3)/(4*s124*s34*z12*z34) - (10*s13*s24*z2*z3)/
    (s12^2*s34*z12*z34) - (13*s13*s24*z2*z3)/(4*s12*s123*s34*z12*z34) - 
   (13*s13*s24*z2*z3)/(4*s12*s124*s34*z12*z34) - 
   (11*s13^2*s24*z2*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (3*s13^2*s24*z2*z3)/(4*s12^2*s124*s34*z12*z34) - 
   (9*s24*z2*z3)/(4*s134*s34*z12*z34) - (13*s13*s24*z2*z3)/
    (4*s12*s134*s34*z12*z34) - (2*s13*s24*z2*z3)/(s123*s134*s34*z12*z34) + 
   (2*s13*s24*z2*z3)/(s124*s134*s34*z12*z34) - (2*s13^2*s24*z2*z3)/
    (s12*s123*s134*s34*z12*z34) + (s13^2*s24*z2*z3)/
    (s12*s124*s134*s34*z12*z34) - (7*s14*s24*z2*z3)/(s12^2*s34*z12*z34) - 
   (7*s14*s24*z2*z3)/(4*s12*s123*s34*z12*z34) - 
   (19*s14*s24*z2*z3)/(4*s12*s124*s34*z12*z34) - 
   (3*s13*s14*s24*z2*z3)/(s12^2*s123*s34*z12*z34) - 
   (4*s13*s14*s24*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (5*s14*s24*z2*z3)/(2*s12*s134*s34*z12*z34) - 
   (2*s14*s24*z2*z3)/(s123*s134*s34*z12*z34) + 
   (2*s14*s24*z2*z3)/(s124*s134*s34*z12*z34) - (2*s13*s14*s24*z2*z3)/
    (s12*s123*s134*s34*z12*z34) + (3*s13*s14*s24*z2*z3)/
    (s12*s124*s134*s34*z12*z34) - (s14^2*s24*z2*z3)/
    (4*s12^2*s123*s34*z12*z34) - (13*s14^2*s24*z2*z3)/
    (4*s12^2*s124*s34*z12*z34) + (2*s14^2*s24*z2*z3)/
    (s12*s124*s134*s34*z12*z34) - (7*s23*s24*z2*z3)/(s12^2*s34*z12*z34) - 
   (13*s23*s24*z2*z3)/(4*s12*s123*s34*z12*z34) - 
   (17*s23*s24*z2*z3)/(4*s12*s124*s34*z12*z34) - 
   (5*s13*s23*s24*z2*z3)/(s12^2*s123*s34*z12*z34) - 
   (2*s13*s23*s24*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (2*s23*s24*z2*z3)/(s12*s134*s34*z12*z34) - (2*s13*s23*s24*z2*z3)/
    (s12*s123*s134*s34*z12*z34) + (s13*s23*s24*z2*z3)/
    (s12*s124*s134*s34*z12*z34) - (2*s14*s23*s24*z2*z3)/
    (s12^2*s123*s34*z12*z34) - (5*s14*s23*s24*z2*z3)/
    (s12^2*s124*s34*z12*z34) - (2*s14*s23*s24*z2*z3)/
    (s12*s123*s134*s34*z12*z34) + (s14*s23*s24*z2*z3)/
    (s12*s124*s134*s34*z12*z34) - (9*s23^2*s24*z2*z3)/
    (4*s12^2*s123*s34*z12*z34) - (5*s23^2*s24*z2*z3)/
    (4*s12^2*s124*s34*z12*z34) - (11*s24*z2*z3)/(4*s234*s34*z12*z34) + 
   (s12*s24*z2*z3)/(s123*s234*s34*z12*z34) - (2*s12*s24*z2*z3)/
    (s124*s234*s34*z12*z34) - (13*s13*s24*z2*z3)/(4*s12*s234*s34*z12*z34) + 
   (2*s13*s24*z2*z3)/(s123*s234*s34*z12*z34) - 
   (2*s13*s24*z2*z3)/(s124*s234*s34*z12*z34) + 
   (s13^2*s24*z2*z3)/(s12*s123*s234*s34*z12*z34) - 
   (3*s14*s24*z2*z3)/(2*s12*s234*s34*z12*z34) + 
   (s14*s24*z2*z3)/(s123*s234*s34*z12*z34) - (4*s14*s24*z2*z3)/
    (s124*s234*s34*z12*z34) + (s13*s14*s24*z2*z3)/(s12*s123*s234*s34*z12*
     z34) - (2*s13*s14*s24*z2*z3)/(s12*s124*s234*s34*z12*z34) - 
   (2*s14^2*s24*z2*z3)/(s12*s124*s234*s34*z12*z34) - 
   (3*s23*s24*z2*z3)/(s12*s234*s34*z12*z34) + 
   (3*s23*s24*z2*z3)/(s123*s234*s34*z12*z34) - 
   (6*s23*s24*z2*z3)/(s124*s234*s34*z12*z34) + (3*s13*s23*s24*z2*z3)/
    (s12*s123*s234*s34*z12*z34) - (2*s13*s23*s24*z2*z3)/
    (s12*s124*s234*s34*z12*z34) + (s14*s23*s24*z2*z3)/
    (s12*s123*s234*s34*z12*z34) - (6*s14*s23*s24*z2*z3)/
    (s12*s124*s234*s34*z12*z34) + (2*s23^2*s24*z2*z3)/
    (s12*s123*s234*s34*z12*z34) - (2*s23^2*s24*z2*z3)/
    (s12*s124*s234*s34*z12*z34) - (3*s24^2*z2*z3)/(s12^2*s34*z12*z34) - 
   (3*s24^2*z2*z3)/(2*s12*s123*s34*z12*z34) - 
   (3*s24^2*z2*z3)/(s12*s124*s34*z12*z34) - (2*s13*s24^2*z2*z3)/
    (s12^2*s123*s34*z12*z34) - (2*s13*s24^2*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (3*s24^2*z2*z3)/(4*s12*s134*s34*z12*z34) + 
   (s13*s24^2*z2*z3)/(s12*s124*s134*s34*z12*z34) - 
   (s14*s24^2*z2*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (7*s14*s24^2*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s24^2*z2*z3)/(s12*s124*s134*s34*z12*z34) - 
   (3*s23*s24^2*z2*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (5*s23*s24^2*z2*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (5*s24^2*z2*z3)/(4*s12*s234*s34*z12*z34) + 
   (s24^2*z2*z3)/(s123*s234*s34*z12*z34) - (4*s24^2*z2*z3)/
    (s124*s234*s34*z12*z34) + (s13*s24^2*z2*z3)/(s12*s123*s234*s34*z12*z34) - 
   (2*s13*s24^2*z2*z3)/(s12*s124*s234*s34*z12*z34) - 
   (4*s14*s24^2*z2*z3)/(s12*s124*s234*s34*z12*z34) + 
   (s23*s24^2*z2*z3)/(s12*s123*s234*s34*z12*z34) - 
   (4*s23*s24^2*z2*z3)/(s12*s124*s234*s34*z12*z34) - 
   (s24^3*z2*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (5*s24^3*z2*z3)/(4*s12^2*s124*s34*z12*z34) - 
   (2*s24^3*z2*z3)/(s12*s124*s234*s34*z12*z34) - 
   (s34*z2*z3)/(2*s12*s123*z12*z34) - (3*s34*z2*z3)/(2*s12*s124*z12*z34) - 
   (2*s13*s34*z2*z3)/(s12^2*s123*z12*z34) - 
   (2*s34*z2*z3)/(s123*s134*z12*z34) + (s34*z2*z3)/(s124*s134*z12*z34) - 
   (2*s13*s34*z2*z3)/(s12*s123*s134*z12*z34) - 
   (2*s14*s34*z2*z3)/(s12^2*s124*z12*z34) + (s14*s34*z2*z3)/
    (s12*s124*s134*z12*z34) - (s23*s34*z2*z3)/(s12^2*s123*z12*z34) - 
   (2*s23*s34*z2*z3)/(s12*s123*s134*z12*z34) + 
   (s34*z2*z3)/(s123*s234*z12*z34) - (2*s34*z2*z3)/(s124*s234*z12*z34) + 
   (s13*s34*z2*z3)/(s12*s123*s234*z12*z34) - (2*s14*s34*z2*z3)/
    (s12*s124*s234*z12*z34) + (s23*s34*z2*z3)/(s12*s123*s234*z12*z34) - 
   (s24*s34*z2*z3)/(s12^2*s124*z12*z34) + (s24*s34*z2*z3)/
    (s12*s124*s134*z12*z34) - (2*s24*s34*z2*z3)/(s12*s124*s234*z12*z34) + 
   (2*z3^2)/(s12*z12*z34) + z3^2/(2*s123*z12*z34) - z3^2/(2*s124*z12*z34) + 
   (s13*z3^2)/(s12*s123*z12*z34) + z3^2/(2*s134*z12*z34) + 
   (3*s14*z3^2)/(2*s12*s123*z12*z34) - (s14*z3^2)/(2*s12*s124*z12*z34) + 
   (s23*z3^2)/(s12*s123*z12*z34) + z3^2/(2*s234*z12*z34) + 
   (3*s24*z3^2)/(2*s12*s123*z12*z34) - (s24*z3^2)/(2*s12*s124*z12*z34) - 
   (s12*z3^2)/(s34^2*z12*z34) - (s13*z3^2)/(s34^2*z12*z34) + 
   (s12*s13*z3^2)/(4*s134*s34^2*z12*z34) + 
   (s13^2*z3^2)/(4*s134*s34^2*z12*z34) + (s13*s14*z3^2)/(s12*s34^2*z12*z34) + 
   (s12*s14*z3^2)/(4*s134*s34^2*z12*z34) + 
   (s13*s14*z3^2)/(2*s134*s34^2*z12*z34) + (s14^2*z3^2)/(s12*s34^2*z12*z34) + 
   (s14^2*z3^2)/(4*s134*s34^2*z12*z34) - (s23*z3^2)/(s34^2*z12*z34) + 
   (s12*s23*z3^2)/(4*s134*s34^2*z12*z34) + 
   (s13*s23*z3^2)/(2*s134*s34^2*z12*z34) + 
   (s14*s23*z3^2)/(s12*s34^2*z12*z34) + (s14*s23*z3^2)/
    (2*s134*s34^2*z12*z34) + (s23^2*z3^2)/(4*s134*s34^2*z12*z34) + 
   (s12*s13*z3^2)/(4*s234*s34^2*z12*z34) + 
   (s13^2*z3^2)/(4*s234*s34^2*z12*z34) + (s12*s14*z3^2)/
    (4*s234*s34^2*z12*z34) + (s13*s14*z3^2)/(2*s234*s34^2*z12*z34) + 
   (s14^2*z3^2)/(4*s234*s34^2*z12*z34) + (s12*s23*z3^2)/
    (4*s234*s34^2*z12*z34) + (s13*s23*z3^2)/(2*s234*s34^2*z12*z34) + 
   (s14*s23*z3^2)/(2*s234*s34^2*z12*z34) + 
   (s23^2*z3^2)/(4*s234*s34^2*z12*z34) + (s13*s24*z3^2)/(s12*s34^2*z12*z34) + 
   (3*s12*s24*z3^2)/(4*s134*s34^2*z12*z34) + (5*s13*s24*z3^2)/
    (4*s134*s34^2*z12*z34) + (s13^2*s24*z3^2)/(4*s12*s134*s34^2*z12*z34) + 
   (2*s14*s24*z3^2)/(s12*s34^2*z12*z34) + (5*s14*s24*z3^2)/
    (4*s134*s34^2*z12*z34) + (s13*s14*s24*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*s24*z3^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s23*s24*z3^2)/(s12*s34^2*z12*z34) + (5*s23*s24*z3^2)/
    (4*s134*s34^2*z12*z34) + (s13*s23*s24*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23*s24*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s23^2*s24*z3^2)/(4*s12*s134*s34^2*z12*z34) - 
   (s12*s24*z3^2)/(4*s234*s34^2*z12*z34) - 
   (s13*s24*z3^2)/(4*s234*s34^2*z12*z34) - (s13^2*s24*z3^2)/
    (4*s12*s234*s34^2*z12*z34) - (s14*s24*z3^2)/(4*s234*s34^2*z12*z34) - 
   (s13*s14*s24*z3^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s14^2*s24*z3^2)/(4*s12*s234*s34^2*z12*z34) - 
   (s23*s24*z3^2)/(4*s234*s34^2*z12*z34) - (s13*s23*s24*z3^2)/
    (2*s12*s234*s34^2*z12*z34) - (s14*s23*s24*z3^2)/
    (2*s12*s234*s34^2*z12*z34) - (s23^2*s24*z3^2)/
    (4*s12*s234*s34^2*z12*z34) + (s24^2*z3^2)/(s12*s34^2*z12*z34) + 
   (s24^2*z3^2)/(s134*s34^2*z12*z34) + (s13*s24^2*z3^2)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s24^2*z3^2)/
    (2*s12*s134*s34^2*z12*z34) + (s23*s24^2*z3^2)/
    (2*s12*s134*s34^2*z12*z34) - (s24^2*z3^2)/(2*s234*s34^2*z12*z34) - 
   (s13*s24^2*z3^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s14*s24^2*z3^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s23*s24^2*z3^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s24^3*z3^2)/(4*s12*s134*s34^2*z12*z34) - 
   (s24^3*z3^2)/(4*s12*s234*s34^2*z12*z34) + z3^2/(s34*z12*z34) - 
   (s12*z3^2)/(2*s123*s34*z12*z34) - (s12*z3^2)/(2*s124*s34*z12*z34) + 
   (2*s13*z3^2)/(s12*s34*z12*z34) - (s13*z3^2)/(2*s123*s34*z12*z34) - 
   (s13*z3^2)/(2*s124*s34*z12*z34) + (s12*z3^2)/(2*s134*s34*z12*z34) + 
   (3*s13*z3^2)/(4*s134*s34*z12*z34) + (3*s14*z3^2)/(s12*s34*z12*z34) - 
   (s14*z3^2)/(s124*s34*z12*z34) + (s13*s14*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s13*s14*z3^2)/(2*s12*s124*s34*z12*z34) + 
   (3*s14*z3^2)/(4*s134*s34*z12*z34) + (s14^2*z3^2)/
    (2*s12*s123*s34*z12*z34) - (s14^2*z3^2)/(2*s12*s124*s34*z12*z34) + 
   (2*s23*z3^2)/(s12*s34*z12*z34) - (s23*z3^2)/(2*s123*s34*z12*z34) - 
   (s23*z3^2)/(2*s124*s34*z12*z34) + (3*s23*z3^2)/(4*s134*s34*z12*z34) + 
   (s14*s23*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s14*s23*z3^2)/(2*s12*s124*s34*z12*z34) + 
   (s12*z3^2)/(2*s234*s34*z12*z34) + (3*s13*z3^2)/(4*s234*s34*z12*z34) + 
   (3*s14*z3^2)/(4*s234*s34*z12*z34) + (3*s23*z3^2)/(4*s234*s34*z12*z34) + 
   (3*s24*z3^2)/(s12*s34*z12*z34) - (s24*z3^2)/(s124*s34*z12*z34) + 
   (s13*s24*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s13*s24*z3^2)/(2*s12*s124*s34*z12*z34) + 
   (5*s24*z3^2)/(4*s134*s34*z12*z34) + (s13*s24*z3^2)/
    (4*s12*s134*s34*z12*z34) + (s14*s24*z3^2)/(s12*s123*s34*z12*z34) - 
   (s14*s24*z3^2)/(s12*s124*s34*z12*z34) + 
   (s14*s24*z3^2)/(4*s12*s134*s34*z12*z34) + 
   (s23*s24*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s23*s24*z3^2)/(2*s12*s124*s34*z12*z34) + 
   (s23*s24*z3^2)/(4*s12*s134*s34*z12*z34) + 
   (s24*z3^2)/(4*s234*s34*z12*z34) - (s13*s24*z3^2)/
    (4*s12*s234*s34*z12*z34) - (s14*s24*z3^2)/(4*s12*s234*s34*z12*z34) - 
   (s23*s24*z3^2)/(4*s12*s234*s34*z12*z34) + 
   (s24^2*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s24^2*z3^2)/(2*s12*s124*s34*z12*z34) + 
   (s24^2*z3^2)/(4*s12*s134*s34*z12*z34) - 
   (s24^2*z3^2)/(4*s12*s234*s34*z12*z34) + (s34*z3^2)/(s12*s123*z12*z34) + 
   z4/(s12*z12) + z4/(2*s124*z12) - (s13*z4)/(2*s12*s123*z12) + 
   (s14*z4)/(2*s12*s124*z12) - (s23*z4)/(2*s12*s123*z12) - 
   (s23*z4)/(s123*s134*z12) + (s23*z4)/(2*s124*s134*z12) - 
   (s13*s23*z4)/(s12*s123*s134*z12) + (s14*s23*z4)/(2*s12*s124*s134*z12) - 
   (s23^2*z4)/(s12*s123*s134*z12) + z4/(2*s234*z12) - 
   (s23*z4)/(2*s123*s234*z12) + (s23*z4)/(s124*s234*z12) - 
   (s13*s23*z4)/(2*s12*s123*s234*z12) + (s14*s23*z4)/(s12*s124*s234*z12) - 
   (s23^2*z4)/(2*s12*s123*s234*z12) + (s24*z4)/(2*s12*s124*z12) + 
   (s23*s24*z4)/(2*s12*s124*s134*z12) + (s23*s24*z4)/(s12*s124*s234*z12) - 
   (s13*z4)/(s34^2*z12) - (s13^2*z4)/(s12*s34^2*z12) - 
   (s13*s14*z4)/(s12*s34^2*z12) - (s23*z4)/(s34^2*z12) - 
   (2*s13*s23*z4)/(s12*s34^2*z12) - (s12*s23*z4)/(2*s134*s34^2*z12) - 
   (5*s13*s23*z4)/(4*s134*s34^2*z12) - (3*s13^2*s23*z4)/
    (4*s12*s134*s34^2*z12) - (s14*s23*z4)/(s12*s34^2*z12) - 
   (3*s14*s23*z4)/(4*s134*s34^2*z12) - (s13*s14*s23*z4)/
    (s12*s134*s34^2*z12) - (s14^2*s23*z4)/(4*s12*s134*s34^2*z12) - 
   (s23^2*z4)/(s12*s34^2*z12) - (5*s23^2*z4)/(4*s134*s34^2*z12) - 
   (3*s13*s23^2*z4)/(2*s12*s134*s34^2*z12) - 
   (s14*s23^2*z4)/(s12*s134*s34^2*z12) - 
   (3*s23^3*z4)/(4*s12*s134*s34^2*z12) + (s12*s23*z4)/(2*s234*s34^2*z12) + 
   (5*s13*s23*z4)/(4*s234*s34^2*z12) + (3*s13^2*s23*z4)/
    (4*s12*s234*s34^2*z12) + (3*s14*s23*z4)/(4*s234*s34^2*z12) + 
   (s13*s14*s23*z4)/(s12*s234*s34^2*z12) + 
   (s14^2*s23*z4)/(4*s12*s234*s34^2*z12) + (5*s23^2*z4)/(4*s234*s34^2*z12) + 
   (3*s13*s23^2*z4)/(2*s12*s234*s34^2*z12) + 
   (s14*s23^2*z4)/(s12*s234*s34^2*z12) + 
   (3*s23^3*z4)/(4*s12*s234*s34^2*z12) - (s13*s24*z4)/(s12*s34^2*z12) - 
   (s23*s24*z4)/(s12*s34^2*z12) - (3*s23*s24*z4)/(4*s134*s34^2*z12) - 
   (s13*s23*s24*z4)/(s12*s134*s34^2*z12) - (s14*s23*s24*z4)/
    (2*s12*s134*s34^2*z12) - (s23^2*s24*z4)/(s12*s134*s34^2*z12) + 
   (3*s23*s24*z4)/(4*s234*s34^2*z12) + (s13*s23*s24*z4)/
    (s12*s234*s34^2*z12) + (s14*s23*s24*z4)/(2*s12*s234*s34^2*z12) + 
   (s23^2*s24*z4)/(s12*s234*s34^2*z12) - (s23*s24^2*z4)/
    (4*s12*s134*s34^2*z12) + (s23*s24^2*z4)/(4*s12*s234*s34^2*z12) + 
   z4/(s34*z12) - (s13*z4)/(2*s123*s34*z12) - (s13*z4)/(2*s124*s34*z12) - 
   (s13^2*z4)/(2*s12*s123*s34*z12) - (s13^2*z4)/(2*s12*s124*s34*z12) + 
   (s14*z4)/(s12*s34*z12) - (s13*s14*z4)/(2*s12*s123*s34*z12) - 
   (s13*s14*z4)/(2*s12*s124*s34*z12) - (s23*z4)/(2*s123*s34*z12) - 
   (s23*z4)/(2*s124*s34*z12) - (s13*s23*z4)/(s12*s123*s34*z12) - 
   (s13*s23*z4)/(s12*s124*s34*z12) - (s23*z4)/(2*s134*s34*z12) - 
   (s12*s23*z4)/(s123*s134*s34*z12) + (s12*s23*z4)/(2*s124*s134*s34*z12) - 
   (3*s13*s23*z4)/(4*s12*s134*s34*z12) - (2*s13*s23*z4)/(s123*s134*s34*z12) + 
   (s13*s23*z4)/(2*s124*s134*s34*z12) - (s13^2*s23*z4)/
    (s12*s123*s134*s34*z12) - (s14*s23*z4)/(2*s12*s123*s34*z12) - 
   (s14*s23*z4)/(2*s12*s124*s34*z12) - (s14*s23*z4)/(4*s12*s134*s34*z12) - 
   (s14*s23*z4)/(s123*s134*s34*z12) + (s14*s23*z4)/(s124*s134*s34*z12) - 
   (s13*s14*s23*z4)/(s12*s123*s134*s34*z12) + 
   (s13*s14*s23*z4)/(2*s12*s124*s134*s34*z12) + 
   (s14^2*s23*z4)/(2*s12*s124*s134*s34*z12) - 
   (s23^2*z4)/(2*s12*s123*s34*z12) - (s23^2*z4)/(2*s12*s124*s34*z12) - 
   (3*s23^2*z4)/(4*s12*s134*s34*z12) - (2*s23^2*z4)/(s123*s134*s34*z12) + 
   (s23^2*z4)/(2*s124*s134*s34*z12) - (2*s13*s23^2*z4)/
    (s12*s123*s134*s34*z12) - (s14*s23^2*z4)/(s12*s123*s134*s34*z12) + 
   (s14*s23^2*z4)/(2*s12*s124*s134*s34*z12) - 
   (s23^3*z4)/(s12*s123*s134*s34*z12) + (s12*z4)/(2*s234*s34*z12) + 
   (s13*z4)/(2*s234*s34*z12) + (s14*z4)/(2*s234*s34*z12) + 
   (s23*z4)/(s234*s34*z12) - (s12*s23*z4)/(2*s123*s234*s34*z12) + 
   (s12*s23*z4)/(s124*s234*s34*z12) + (3*s13*s23*z4)/(4*s12*s234*s34*z12) - 
   (s13*s23*z4)/(s123*s234*s34*z12) + (s13*s23*z4)/(s124*s234*s34*z12) - 
   (s13^2*s23*z4)/(2*s12*s123*s234*s34*z12) + 
   (s14*s23*z4)/(4*s12*s234*s34*z12) - (s14*s23*z4)/(2*s123*s234*s34*z12) + 
   (2*s14*s23*z4)/(s124*s234*s34*z12) - (s13*s14*s23*z4)/
    (2*s12*s123*s234*s34*z12) + (s13*s14*s23*z4)/(s12*s124*s234*s34*z12) + 
   (s14^2*s23*z4)/(s12*s124*s234*s34*z12) + 
   (3*s23^2*z4)/(4*s12*s234*s34*z12) - (s23^2*z4)/(s123*s234*s34*z12) + 
   (s23^2*z4)/(s124*s234*s34*z12) - (s13*s23^2*z4)/(s12*s123*s234*s34*z12) - 
   (s14*s23^2*z4)/(2*s12*s123*s234*s34*z12) + 
   (s14*s23^2*z4)/(s12*s124*s234*s34*z12) - 
   (s23^3*z4)/(2*s12*s123*s234*s34*z12) + (s24*z4)/(s12*s34*z12) - 
   (s13*s24*z4)/(2*s12*s123*s34*z12) - (s13*s24*z4)/(2*s12*s124*s34*z12) - 
   (s23*s24*z4)/(2*s12*s123*s34*z12) - (s23*s24*z4)/(2*s12*s124*s34*z12) - 
   (s23*s24*z4)/(4*s12*s134*s34*z12) - (s23*s24*z4)/(s123*s134*s34*z12) + 
   (s23*s24*z4)/(s124*s134*s34*z12) - (s13*s23*s24*z4)/
    (s12*s123*s134*s34*z12) + (s13*s23*s24*z4)/(2*s12*s124*s134*s34*z12) + 
   (s14*s23*s24*z4)/(s12*s124*s134*s34*z12) - 
   (s23^2*s24*z4)/(s12*s123*s134*s34*z12) + 
   (s23^2*s24*z4)/(2*s12*s124*s134*s34*z12) + (s24*z4)/(2*s234*s34*z12) + 
   (s23*s24*z4)/(4*s12*s234*s34*z12) - (s23*s24*z4)/(2*s123*s234*s34*z12) + 
   (2*s23*s24*z4)/(s124*s234*s34*z12) - (s13*s23*s24*z4)/
    (2*s12*s123*s234*s34*z12) + (s13*s23*s24*z4)/(s12*s124*s234*s34*z12) + 
   (2*s14*s23*s24*z4)/(s12*s124*s234*s34*z12) - 
   (s23^2*s24*z4)/(2*s12*s123*s234*s34*z12) + 
   (s23^2*s24*z4)/(s12*s124*s234*s34*z12) + 
   (s23*s24^2*z4)/(2*s12*s124*s134*s34*z12) + 
   (s23*s24^2*z4)/(s12*s124*s234*s34*z12) + (s34*z4)/(2*s12*s124*z12) + 
   (z3*z4)/(s134*z34^2) - (2*s23*z3*z4)/(s12^2*z34^2) - 
   (s23*z3*z4)/(s12*s134*z34^2) + (z3*z4)/(s234*z34^2) - 
   (s23*z3*z4)/(s12*s234*z34^2) - (2*s24*z3*z4)/(s12^2*z34^2) - 
   (s24*z3*z4)/(s12*s134*z34^2) - (s24*z3*z4)/(s12*s234*z34^2) + 
   (2*s13*z3*z4)/(s34^2*z34^2) + (2*s13^2*z3*z4)/(s12*s34^2*z34^2) + 
   (s12*s13*z3*z4)/(s134*s34^2*z34^2) + (s13^2*z3*z4)/(s134*s34^2*z34^2) + 
   (2*s14*z3*z4)/(s34^2*z34^2) + (4*s13*s14*z3*z4)/(s12*s34^2*z34^2) + 
   (s12*s14*z3*z4)/(s134*s34^2*z34^2) + (2*s13*s14*z3*z4)/
    (s134*s34^2*z34^2) + (2*s14^2*z3*z4)/(s12*s34^2*z34^2) + 
   (s14^2*z3*z4)/(s134*s34^2*z34^2) + (2*s23*z3*z4)/(s34^2*z34^2) + 
   (4*s13*s23*z3*z4)/(s12*s34^2*z34^2) - (s13^2*s23*z3*z4)/
    (s12*s134*s34^2*z34^2) + (4*s14*s23*z3*z4)/(s12*s34^2*z34^2) - 
   (2*s13*s14*s23*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (s14^2*s23*z3*z4)/(s12*s134*s34^2*z34^2) - (2*s13*s23^2*z3*z4)/
    (s12^2*s34^2*z34^2) - (s13*s23^2*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (2*s14*s23^2*z3*z4)/(s12^2*s34^2*z34^2) - (s14*s23^2*z3*z4)/
    (s12*s134*s34^2*z34^2) - (2*s23^3*z3*z4)/(s12^2*s34^2*z34^2) + 
   (s12*s23*z3*z4)/(s234*s34^2*z34^2) + (s13*s23*z3*z4)/(s234*s34^2*z34^2) + 
   (s14*s23*z3*z4)/(s234*s34^2*z34^2) - (s13*s23^2*z3*z4)/
    (s12*s234*s34^2*z34^2) - (s14*s23^2*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (s23^3*z3*z4)/(s12*s234*s34^2*z34^2) + (2*s24*z3*z4)/(s34^2*z34^2) + 
   (4*s13*s24*z3*z4)/(s12*s34^2*z34^2) - (s13^2*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) + (4*s14*s24*z3*z4)/(s12*s34^2*z34^2) - 
   (2*s13*s14*s24*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (s14^2*s24*z3*z4)/(s12*s134*s34^2*z34^2) - (4*s13*s23*s24*z3*z4)/
    (s12^2*s34^2*z34^2) - (2*s13*s23*s24*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (4*s14*s23*s24*z3*z4)/(s12^2*s34^2*z34^2) - (2*s14*s23*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) - (6*s23^2*s24*z3*z4)/(s12^2*s34^2*z34^2) + 
   (s12*s24*z3*z4)/(s234*s34^2*z34^2) + (s13*s24*z3*z4)/(s234*s34^2*z34^2) + 
   (s14*s24*z3*z4)/(s234*s34^2*z34^2) - (2*s13*s23*s24*z3*z4)/
    (s12*s234*s34^2*z34^2) - (2*s14*s23*s24*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (3*s23^2*s24*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (2*s13*s24^2*z3*z4)/(s12^2*s34^2*z34^2) - (s13*s24^2*z3*z4)/
    (s12*s134*s34^2*z34^2) - (2*s14*s24^2*z3*z4)/(s12^2*s34^2*z34^2) - 
   (s14*s24^2*z3*z4)/(s12*s134*s34^2*z34^2) - (6*s23*s24^2*z3*z4)/
    (s12^2*s34^2*z34^2) - (s13*s24^2*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (s14*s24^2*z3*z4)/(s12*s234*s34^2*z34^2) - (3*s23*s24^2*z3*z4)/
    (s12*s234*s34^2*z34^2) - (2*s24^3*z3*z4)/(s12^2*s34^2*z34^2) - 
   (s24^3*z3*z4)/(s12*s234*s34^2*z34^2) + (2*s13*z3*z4)/(s12*s34*z34^2) + 
   (s12*z3*z4)/(s134*s34*z34^2) + (2*s13*z3*z4)/(s134*s34*z34^2) + 
   (2*s14*z3*z4)/(s12*s34*z34^2) + (2*s14*z3*z4)/(s134*s34*z34^2) - 
   (2*s13*s23*z3*z4)/(s12^2*s34*z34^2) - (2*s13*s23*z3*z4)/
    (s12*s134*s34*z34^2) - (2*s14*s23*z3*z4)/(s12^2*s34*z34^2) - 
   (2*s14*s23*z3*z4)/(s12*s134*s34*z34^2) - (4*s23^2*z3*z4)/
    (s12^2*s34*z34^2) - (s23^2*z3*z4)/(s12*s134*s34*z34^2) + 
   (s12*z3*z4)/(s234*s34*z34^2) + (s13*z3*z4)/(s234*s34*z34^2) + 
   (s14*z3*z4)/(s234*s34*z34^2) + (s23*z3*z4)/(s234*s34*z34^2) - 
   (s13*s23*z3*z4)/(s12*s234*s34*z34^2) - (s14*s23*z3*z4)/
    (s12*s234*s34*z34^2) - (2*s23^2*z3*z4)/(s12*s234*s34*z34^2) - 
   (2*s13*s24*z3*z4)/(s12^2*s34*z34^2) - (2*s13*s24*z3*z4)/
    (s12*s134*s34*z34^2) - (2*s14*s24*z3*z4)/(s12^2*s34*z34^2) - 
   (2*s14*s24*z3*z4)/(s12*s134*s34*z34^2) - (8*s23*s24*z3*z4)/
    (s12^2*s34*z34^2) - (2*s23*s24*z3*z4)/(s12*s134*s34*z34^2) + 
   (s24*z3*z4)/(s234*s34*z34^2) - (s13*s24*z3*z4)/(s12*s234*s34*z34^2) - 
   (s14*s24*z3*z4)/(s12*s234*s34*z34^2) - (4*s23*s24*z3*z4)/
    (s12*s234*s34*z34^2) - (4*s24^2*z3*z4)/(s12^2*s34*z34^2) - 
   (s24^2*z3*z4)/(s12*s134*s34*z34^2) - (2*s24^2*z3*z4)/
    (s12*s234*s34*z34^2) + (2*s23*z1*z3*z4)/(s12^2*z12*z34^2) + 
   (2*s24*z1*z3*z4)/(s12^2*z12*z34^2) - (2*s23*z1*z3*z4)/(s34^2*z12*z34^2) - 
   (2*s13*s23*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s14*s23*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s23^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s24*z1*z3*z4)/(s34^2*z12*z34^2) - (2*s13*s24*z1*z3*z4)/
    (s12*s34^2*z12*z34^2) - (2*s14*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (4*s23*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s24^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (2*s13*s23*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) + (2*s14*s23*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s23^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + (2*s13*s24*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) + (2*s14*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (4*s23*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s24^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (8*z1*z2*z3*z4)/(s12*z12^2*z34^2) - (4*s13*z1*z2*z3*z4)/
    (s12^2*z12^2*z34^2) - (4*s14*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) - 
   (4*s23*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) - (4*s24*z1*z2*z3*z4)/
    (s12^2*z12^2*z34^2) - (4*s13*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - 
   (6*s13^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (2*s13^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (4*s14*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - (12*s13*s14*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13^2*s14*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s14^2*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13*s14^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (2*s14^3*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (4*s23*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - 
   (12*s13*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (6*s13^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (12*s14*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (12*s13*s14*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (6*s14^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (6*s23^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (6*s13*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (6*s14*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (2*s23^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (4*s24*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - (12*s13*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (12*s14*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (12*s13*s14*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s14^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (12*s23*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (12*s13*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (12*s14*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s23^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s24^2*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s14*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s23*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (2*s24^3*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (8*z1*z2*z3*z4)/(s34*z12^2*z34^2) - 
   (16*s13*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - (6*s13^2*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (16*s14*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - 
   (12*s13*s14*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (6*s14^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (16*s23*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - (12*s13*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (12*s14*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (6*s23^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (16*s24*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - (12*s13*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (12*s14*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (12*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (6*s24^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (4*z2*z3*z4)/(s12*z12*z34^2) + (4*s13*z2*z3*z4)/(s12^2*z12*z34^2) + 
   (2*z2*z3*z4)/(s134*z12*z34^2) + (s13*z2*z3*z4)/(s12*s134*z12*z34^2) + 
   (4*s14*z2*z3*z4)/(s12^2*z12*z34^2) + (s14*z2*z3*z4)/(s12*s134*z12*z34^2) + 
   (2*s23*z2*z3*z4)/(s12^2*z12*z34^2) + (s23*z2*z3*z4)/(s12*s134*z12*z34^2) + 
   (2*z2*z3*z4)/(s234*z12*z34^2) + (s13*z2*z3*z4)/(s12*s234*z12*z34^2) + 
   (s14*z2*z3*z4)/(s12*s234*z12*z34^2) + (s23*z2*z3*z4)/
    (s12*s234*z12*z34^2) + (2*s24*z2*z3*z4)/(s12^2*z12*z34^2) + 
   (s24*z2*z3*z4)/(s12*s134*z12*z34^2) + (s24*z2*z3*z4)/
    (s12*s234*z12*z34^2) + (2*s13*z2*z3*z4)/(s34^2*z12*z34^2) + 
   (4*s13^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (2*s13^3*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s12*s13*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (3*s13^2*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (s13^3*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (2*s14*z2*z3*z4)/(s34^2*z12*z34^2) + (8*s13*s14*z2*z3*z4)/
    (s12*s34^2*z12*z34^2) + (6*s13^2*s14*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s12*s14*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (6*s13*s14*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (3*s13^2*s14*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (4*s14^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (6*s13*s14^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s14^2*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (3*s13*s14^2*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (2*s14^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (s14^3*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (4*s23*z2*z3*z4)/(s34^2*z12*z34^2) + (10*s13*s23*z2*z3*z4)/
    (s12*s34^2*z12*z34^2) + (6*s13^2*s23*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (3*s13*s23*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (2*s13^2*s23*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (10*s14*s23*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (12*s13*s14*s23*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s14*s23*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (4*s13*s14*s23*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (6*s14^2*s23*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s14^2*s23*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (6*s23^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (6*s13*s23^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s13*s23^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s14*s23^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s14*s23^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (2*s23^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s12*s23*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (3*s13*s23*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (s13^2*s23*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s14*s23*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (2*s13*s14*s23*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (s14^2*s23*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s23^2*z2*z3*z4)/(s234*s34^2*z12*z34^2) + (2*s13*s23^2*z2*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) + (2*s14*s23^2*z2*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) + (s23^3*z2*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) + (4*s24*z2*z3*z4)/(s34^2*z12*z34^2) + 
   (10*s13*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) + 
   (6*s13^2*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (3*s13*s24*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (2*s13^2*s24*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (10*s14*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (12*s13*s14*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s14*s24*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (4*s13*s14*s24*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (6*s14^2*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s14^2*s24*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (12*s23*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (12*s13*s23*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s13*s23*s24*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (12*s14*s23*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s14*s23*s24*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s23^2*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s12*s24*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (3*s13*s24*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (s13^2*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s14*s24*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (2*s13*s14*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (s14^2*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (6*s23*s24*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (4*s13*s23*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (4*s14*s23*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s23^2*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (6*s24^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (6*s13*s24^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s13*s24^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s14*s24^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s14*s24^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s23*s24^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s24^2*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (2*s13*s24^2*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (2*s14*s24^2*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s23*s24^2*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (2*s24^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (s24^3*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (4*z2*z3*z4)/(s34*z12*z34^2) + (10*s13*z2*z3*z4)/(s12*s34*z12*z34^2) + 
   (6*s13^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s12*z2*z3*z4)/(s134*s34*z12*z34^2) + (5*s13*z2*z3*z4)/
    (s134*s34*z12*z34^2) + (2*s13^2*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (10*s14*z2*z3*z4)/(s12*s34*z12*z34^2) + (12*s13*s14*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) + (5*s14*z2*z3*z4)/(s134*s34*z12*z34^2) + 
   (4*s13*s14*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (6*s14^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) + (2*s14^2*z2*z3*z4)/
    (s12*s134*s34*z12*z34^2) + (10*s23*z2*z3*z4)/(s12*s34*z12*z34^2) + 
   (10*s13*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (3*s23*z2*z3*z4)/(s134*s34*z12*z34^2) + (3*s13*s23*z2*z3*z4)/
    (s12*s134*s34*z12*z34^2) + (10*s14*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (3*s14*s23*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (4*s23^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (s23^2*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (2*s12*z2*z3*z4)/(s234*s34*z12*z34^2) + (3*s13*z2*z3*z4)/
    (s234*s34*z12*z34^2) + (s13^2*z2*z3*z4)/(s12*s234*s34*z12*z34^2) + 
   (3*s14*z2*z3*z4)/(s234*s34*z12*z34^2) + (2*s13*s14*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (s14^2*z2*z3*z4)/(s12*s234*s34*z12*z34^2) + 
   (5*s23*z2*z3*z4)/(s234*s34*z12*z34^2) + (3*s13*s23*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (3*s14*s23*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (2*s23^2*z2*z3*z4)/(s12*s234*s34*z12*z34^2) + 
   (10*s24*z2*z3*z4)/(s12*s34*z12*z34^2) + (10*s13*s24*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) + (3*s24*z2*z3*z4)/(s134*s34*z12*z34^2) + 
   (3*s13*s24*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (10*s14*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (3*s14*s24*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (8*s23*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s23*s24*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (5*s24*z2*z3*z4)/(s234*s34*z12*z34^2) + (3*s13*s24*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (3*s14*s24*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (4*s23*s24*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (4*s24^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (s24^2*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (2*s24^2*z2*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (2*z3^2*z4)/(s12*z12*z34^2) + (2*s12*z3^2*z4)/(s34^2*z12*z34^2) + 
   (2*s13*z3^2*z4)/(s34^2*z12*z34^2) + (2*s14*z3^2*z4)/(s34^2*z12*z34^2) + 
   (2*s23*z3^2*z4)/(s34^2*z12*z34^2) + (2*s24*z3^2*z4)/(s34^2*z12*z34^2) - 
   (2*s13*z3^2*z4)/(s12*s34*z12*z34^2) - (2*s14*z3^2*z4)/
    (s12*s34*z12*z34^2) - (2*s23*z3^2*z4)/(s12*s34*z12*z34^2) - 
   (2*s24*z3^2*z4)/(s12*s34*z12*z34^2) - (s13*z4)/(2*s12*s123*z34) - 
   (s23*z4)/(s12^2*z34) - (s23*z4)/(2*s12*s123*z34) - 
   (s13*s23*z4)/(4*s12^2*s123*z34) - (s13*s23*z4)/(4*s12^2*s124*z34) - 
   (s23*z4)/(s12*s134*z34) - (s14*s23*z4)/(4*s12^2*s123*z34) - 
   (s14*s23*z4)/(4*s12^2*s124*z34) + (s23^2*z4)/(4*s12^2*s123*z34) + 
   (s23^2*z4)/(4*s12^2*s124*z34) - (s23*z4)/(s12*s234*z34) - 
   (s23*z4)/(s134*s234*z34) + (s23*s24*z4)/(4*s12^2*s123*z34) + 
   (s23*s24*z4)/(4*s12^2*s124*z34) - (s13*z4)/(s34^2*z34) - 
   (s13^2*z4)/(s12*s34^2*z34) - (s12*s13*z4)/(2*s134*s34^2*z34) - 
   (s13^2*z4)/(2*s134*s34^2*z34) - (s13*s14*z4)/(s12*s34^2*z34) - 
   (s13*s14*z4)/(2*s134*s34^2*z34) - (s23*z4)/(s34^2*z34) - 
   (2*s13*s23*z4)/(s12*s34^2*z34) + (s13^2*s23*z4)/(2*s12*s134*s34^2*z34) - 
   (2*s14*s23*z4)/(s12*s34^2*z34) - (s13*s14*s23*z4)/(s12^2*s34^2*z34) + 
   (s13*s14*s23*z4)/(2*s12*s134*s34^2*z34) - 
   (s14^2*s23*z4)/(s12^2*s34^2*z34) - (s23^2*z4)/(s12*s34^2*z34) + 
   (s13*s23^2*z4)/(2*s12*s134*s34^2*z34) - (s14*s23^2*z4)/(s12^2*s34^2*z34) - 
   (s12*s23*z4)/(2*s234*s34^2*z34) - (s13*s23*z4)/(s234*s34^2*z34) - 
   (s13^2*s23*z4)/(2*s12*s234*s34^2*z34) - (s12*s13*s23*z4)/
    (s134*s234*s34^2*z34) - (s13^2*s23*z4)/(s134*s234*s34^2*z34) - 
   (3*s14*s23*z4)/(2*s234*s34^2*z34) - (3*s13*s14*s23*z4)/
    (2*s12*s234*s34^2*z34) - (s12*s14*s23*z4)/(s134*s234*s34^2*z34) - 
   (2*s13*s14*s23*z4)/(s134*s234*s34^2*z34) - 
   (s14^2*s23*z4)/(s12*s234*s34^2*z34) - (s14^2*s23*z4)/
    (s134*s234*s34^2*z34) - (3*s23^2*z4)/(2*s234*s34^2*z34) - 
   (3*s13*s23^2*z4)/(2*s12*s234*s34^2*z34) - 
   (s13*s23^2*z4)/(s134*s234*s34^2*z34) - (2*s14*s23^2*z4)/
    (s12*s234*s34^2*z34) - (s14*s23^2*z4)/(s134*s234*s34^2*z34) - 
   (s23^3*z4)/(s12*s234*s34^2*z34) + (s13^2*s24*z4)/(s12^2*s34^2*z34) + 
   (s13^2*s24*z4)/(2*s12*s134*s34^2*z34) + (s13*s14*s24*z4)/
    (s12^2*s34^2*z34) + (s13*s14*s24*z4)/(2*s12*s134*s34^2*z34) - 
   (s23*s24*z4)/(s12*s34^2*z34) + (s13*s23*s24*z4)/(s12^2*s34^2*z34) + 
   (s13*s23*s24*z4)/(s12*s134*s34^2*z34) - (s14*s23*s24*z4)/
    (s12^2*s34^2*z34) + (s13*s24*z4)/(2*s234*s34^2*z34) + 
   (s13^2*s24*z4)/(2*s12*s234*s34^2*z34) + (s13*s14*s24*z4)/
    (2*s12*s234*s34^2*z34) - (3*s23*s24*z4)/(2*s234*s34^2*z34) - 
   (s13*s23*s24*z4)/(s12*s234*s34^2*z34) - (s13*s23*s24*z4)/
    (s134*s234*s34^2*z34) - (2*s14*s23*s24*z4)/(s12*s234*s34^2*z34) - 
   (s14*s23*s24*z4)/(s134*s234*s34^2*z34) - (2*s23^2*s24*z4)/
    (s12*s234*s34^2*z34) + (s13*s24^2*z4)/(s12^2*s34^2*z34) + 
   (s13*s24^2*z4)/(2*s12*s134*s34^2*z34) + 
   (s13*s24^2*z4)/(2*s12*s234*s34^2*z34) - 
   (s23*s24^2*z4)/(s12*s234*s34^2*z34) - (s13*z4)/(s12*s34*z34) - 
   (s13*z4)/(2*s123*s34*z34) - (s13^2*z4)/(2*s12*s123*s34*z34) - 
   (s13*z4)/(2*s134*s34*z34) - (s13*s14*z4)/(2*s12*s123*s34*z34) - 
   (2*s23*z4)/(s12*s34*z34) - (s23*z4)/(2*s123*s34*z34) - 
   (s13*s23*z4)/(s12^2*s34*z34) - (5*s13*s23*z4)/(4*s12*s123*s34*z34) - 
   (s13*s23*z4)/(4*s12*s124*s34*z34) - (s13^2*s23*z4)/
    (4*s12^2*s123*s34*z34) - (s13^2*s23*z4)/(4*s12^2*s124*s34*z34) - 
   (s23*z4)/(s134*s34*z34) - (s13*s23*z4)/(2*s12*s134*s34*z34) - 
   (2*s14*s23*z4)/(s12^2*s34*z34) - (3*s14*s23*z4)/(4*s12*s123*s34*z34) - 
   (s14*s23*z4)/(4*s12*s124*s34*z34) - (s13*s14*s23*z4)/
    (2*s12^2*s123*s34*z34) - (s13*s14*s23*z4)/(2*s12^2*s124*s34*z34) - 
   (s14*s23*z4)/(s12*s134*s34*z34) - (s14^2*s23*z4)/(4*s12^2*s123*s34*z34) - 
   (s14^2*s23*z4)/(4*s12^2*s124*s34*z34) - (s23^2*z4)/(s12^2*s34*z34) - 
   (s23^2*z4)/(4*s12*s123*s34*z34) + (s23^2*z4)/(4*s12*s124*s34*z34) - 
   (s23^2*z4)/(s12*s134*s34*z34) + (s23^3*z4)/(4*s12^2*s123*s34*z34) + 
   (s23^3*z4)/(4*s12^2*s124*s34*z34) - (3*s23*z4)/(2*s234*s34*z34) - 
   (3*s13*s23*z4)/(2*s12*s234*s34*z34) - (s12*s23*z4)/(s134*s234*s34*z34) - 
   (2*s13*s23*z4)/(s134*s234*s34*z34) - (2*s14*s23*z4)/(s12*s234*s34*z34) - 
   (2*s14*s23*z4)/(s134*s234*s34*z34) - (2*s23^2*z4)/(s12*s234*s34*z34) - 
   (s23^2*z4)/(s134*s234*s34*z34) + (s13*s24*z4)/(s12^2*s34*z34) - 
   (s13*s24*z4)/(2*s12*s123*s34*z34) + (s13*s24*z4)/(2*s12*s134*s34*z34) - 
   (s23*s24*z4)/(s12^2*s34*z34) - (s23*s24*z4)/(4*s12*s123*s34*z34) + 
   (s23*s24*z4)/(4*s12*s124*s34*z34) - (s23*s24*z4)/(s12*s134*s34*z34) + 
   (s23^2*s24*z4)/(2*s12^2*s123*s34*z34) + 
   (s23^2*s24*z4)/(2*s12^2*s124*s34*z34) + 
   (s13*s24*z4)/(2*s12*s234*s34*z34) - (2*s23*s24*z4)/(s12*s234*s34*z34) - 
   (s23*s24*z4)/(s134*s234*s34*z34) + (s23*s24^2*z4)/(4*s12^2*s123*s34*z34) + 
   (s23*s24^2*z4)/(4*s12^2*s124*s34*z34) - (z1*z4)/(s12*z12*z34) + 
   (s23*z1*z4)/(s12^2*z12*z34) + (s23*z1*z4)/(2*s12*s123*z12*z34) + 
   (s23*z1*z4)/(2*s12*s124*z12*z34) + (s13*s23*z1*z4)/
    (4*s12^2*s123*z12*z34) + (s13*s23*z1*z4)/(4*s12^2*s124*z12*z34) + 
   (s23*z1*z4)/(2*s12*s134*z12*z34) + (s14*s23*z1*z4)/
    (4*s12^2*s123*z12*z34) + (s14*s23*z1*z4)/(4*s12^2*s124*z12*z34) + 
   (s23^2*z1*z4)/(4*s12^2*s123*z12*z34) + 
   (s23^2*z1*z4)/(4*s12^2*s124*z12*z34) + (s23*z1*z4)/(2*s12*s234*z12*z34) + 
   (s23*s24*z1*z4)/(4*s12^2*s123*z12*z34) + (s23*s24*z1*z4)/
    (4*s12^2*s124*z12*z34) + (s23*z1*z4)/(s34^2*z12*z34) + 
   (s13*s23*z1*z4)/(s12*s34^2*z12*z34) + (s13*s23*z1*z4)/
    (4*s134*s34^2*z12*z34) + (s13^2*s23*z1*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (2*s14*s23*z1*z4)/(s12*s34^2*z12*z34) + (s13*s14*s23*z1*z4)/
    (s12^2*s34^2*z12*z34) + (s14*s23*z1*z4)/(4*s134*s34^2*z12*z34) + 
   (s13*s14*s23*z1*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*s23*z1*z4)/(s12^2*s34^2*z12*z34) + (s14^2*s23*z1*z4)/
    (4*s12*s134*s34^2*z12*z34) + (s23^2*z1*z4)/(s12*s34^2*z12*z34) + 
   (s23^2*z1*z4)/(4*s134*s34^2*z12*z34) + (s13*s23^2*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s23^2*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s14*s23^2*z1*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s23^3*z1*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s13*s23*z1*z4)/(4*s234*s34^2*z12*z34) + (s13^2*s23*z1*z4)/
    (4*s12*s234*s34^2*z12*z34) + (s14*s23*z1*z4)/(4*s234*s34^2*z12*z34) + 
   (s13*s14*s23*z1*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s14^2*s23*z1*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s23^2*z1*z4)/(4*s234*s34^2*z12*z34) + (s13*s23^2*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s23^2*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s23^3*z1*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (s13*s24*z1*z4)/(s12*s34^2*z12*z34) - (s13^2*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) - (s13*s14*s24*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s23*s24*z1*z4)/(s12*s34^2*z12*z34) - (s13*s23*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) + (s23*s24*z1*z4)/(4*s134*s34^2*z12*z34) + 
   (s13*s23*s24*z1*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23*s24*z1*z4)/(s12^2*s34^2*z12*z34) + (s14*s23*s24*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s23^2*s24*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s23*s24*z1*z4)/(4*s234*s34^2*z12*z34) + 
   (s13*s23*s24*z1*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s23*s24*z1*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s23^2*s24*z1*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s13*s24^2*z1*z4)/(s12^2*s34^2*z12*z34) + (s23*s24^2*z1*z4)/
    (4*s12*s134*s34^2*z12*z34) + (s23*s24^2*z1*z4)/
    (4*s12*s234*s34^2*z12*z34) - (z1*z4)/(s34*z12*z34) - 
   (s13*z1*z4)/(s12*s34*z12*z34) - (s14*z1*z4)/(s12*s34*z12*z34) + 
   (s23*z1*z4)/(s12*s34*z12*z34) + (s23*z1*z4)/(2*s123*s34*z12*z34) + 
   (s23*z1*z4)/(2*s124*s34*z12*z34) + (s13*s23*z1*z4)/(s12^2*s34*z12*z34) + 
   (3*s13*s23*z1*z4)/(4*s12*s123*s34*z12*z34) + 
   (3*s13*s23*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s23*z1*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s23*z1*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s23*z1*z4)/(2*s134*s34*z12*z34) + (3*s13*s23*z1*z4)/
    (4*s12*s134*s34*z12*z34) + (2*s14*s23*z1*z4)/(s12^2*s34*z12*z34) + 
   (3*s14*s23*z1*z4)/(4*s12*s123*s34*z12*z34) + 
   (3*s14*s23*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14*s23*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14*s23*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s14*s23*z1*z4)/(4*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z1*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z1*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s23^2*z1*z4)/(s12^2*s34*z12*z34) + (3*s23^2*z1*z4)/
    (4*s12*s123*s34*z12*z34) + (3*s23^2*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13*s23^2*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s23^2*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s23^2*z1*z4)/(4*s12*s134*s34*z12*z34) + 
   (s14*s23^2*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23^2*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^3*z1*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s23^3*z1*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s23*z1*z4)/(2*s234*s34*z12*z34) + (3*s13*s23*z1*z4)/
    (4*s12*s234*s34*z12*z34) + (3*s14*s23*z1*z4)/(4*s12*s234*s34*z12*z34) + 
   (3*s23^2*z1*z4)/(4*s12*s234*s34*z12*z34) - (s24*z1*z4)/(s12*s34*z12*z34) - 
   (s13*s24*z1*z4)/(s12^2*s34*z12*z34) + (s23*s24*z1*z4)/
    (s12^2*s34*z12*z34) + (3*s23*s24*z1*z4)/(4*s12*s123*s34*z12*z34) + 
   (3*s23*s24*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13*s23*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s23*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s23*s24*z1*z4)/(4*s12*s134*s34*z12*z34) + 
   (s14*s23*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^2*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s23^2*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s23*s24*z1*z4)/(4*s12*s234*s34*z12*z34) + 
   (s23*s24^2*z1*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s23*s24^2*z1*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (2*s13*z1*z2*z4)/(s12^2*z12^2*z34) - (2*s23*z1*z2*z4)/(s12^2*z12^2*z34) + 
   (2*s13*z1*z2*z4)/(s34^2*z12^2*z34) + (2*s13^2*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (2*s13*s14*z1*z2*z4)/(s12*s34^2*z12^2*z34) + 
   (2*s23*z1*z2*z4)/(s34^2*z12^2*z34) + (4*s13*s23*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (2*s14*s23*z1*z2*z4)/(s12*s34^2*z12^2*z34) + 
   (2*s23^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) + (2*s13*s24*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (2*s23*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (2*s13^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) - (2*s13*s14*z1*z2*z4)/
    (s12^2*s34*z12^2*z34) - (4*s13*s23*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (2*s14*s23*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (2*s23^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) - (2*s13*s24*z1*z2*z4)/
    (s12^2*s34*z12^2*z34) - (2*s23*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (z2*z4)/(s12*z12*z34) + (2*s13*z2*z4)/(s12^2*z12*z34) - 
   (z2*z4)/(2*s134*z12*z34) + (3*s13*z2*z4)/(4*s12*s134*z12*z34) - 
   (s14*z2*z4)/(4*s12*s134*z12*z34) + (s23*z2*z4)/(s12^2*z12*z34) - 
   (s23*z2*z4)/(2*s12*s123*z12*z34) - (s23*z2*z4)/(2*s12*s124*z12*z34) - 
   (s13*s23*z2*z4)/(4*s12^2*s123*z12*z34) - (s13*s23*z2*z4)/
    (4*s12^2*s124*z12*z34) + (s23*z2*z4)/(4*s12*s134*z12*z34) - 
   (s14*s23*z2*z4)/(4*s12^2*s123*z12*z34) - (s14*s23*z2*z4)/
    (4*s12^2*s124*z12*z34) - (s23^2*z2*z4)/(4*s12^2*s123*z12*z34) - 
   (s23^2*z2*z4)/(4*s12^2*s124*z12*z34) + (z2*z4)/(2*s234*z12*z34) + 
   (5*s13*z2*z4)/(4*s12*s234*z12*z34) + (s14*z2*z4)/(4*s12*s234*z12*z34) + 
   (3*s23*z2*z4)/(4*s12*s234*z12*z34) - (s24*z2*z4)/(4*s12*s134*z12*z34) - 
   (s23*s24*z2*z4)/(4*s12^2*s123*z12*z34) - (s23*s24*z2*z4)/
    (4*s12^2*s124*z12*z34) + (s24*z2*z4)/(4*s12*s234*z12*z34) - 
   (s13*z2*z4)/(s34^2*z12*z34) - (s13^2*z2*z4)/(s12*s34^2*z12*z34) - 
   (s12*s13*z2*z4)/(s134*s34^2*z12*z34) - (3*s13^2*z2*z4)/
    (4*s134*s34^2*z12*z34) + (s13^3*z2*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s13*s14*z2*z4)/(s12*s34^2*z12*z34) - (3*s13*s14*z2*z4)/
    (4*s134*s34^2*z12*z34) + (s13^2*s14*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s13*s14^2*z2*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (2*s23*z2*z4)/(s34^2*z12*z34) - (3*s13*s23*z2*z4)/(s12*s34^2*z12*z34) - 
   (3*s13*s23*z2*z4)/(4*s134*s34^2*z12*z34) + 
   (s13^2*s23*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (3*s14*s23*z2*z4)/(s12*s34^2*z12*z34) - (s13*s14*s23*z2*z4)/
    (s12^2*s34^2*z12*z34) + (s14*s23*z2*z4)/(2*s134*s34^2*z12*z34) + 
   (s13*s14*s23*z2*z4)/(s12*s134*s34^2*z12*z34) - 
   (s14^2*s23*z2*z4)/(s12^2*s34^2*z12*z34) + (s14^2*s23*z2*z4)/
    (2*s12*s134*s34^2*z12*z34) - (2*s23^2*z2*z4)/(s12*s34^2*z12*z34) + 
   (s13*s23^2*z2*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s14*s23^2*z2*z4)/(s12^2*s34^2*z12*z34) + (s14*s23^2*z2*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s13^2*z2*z4)/(4*s234*s34^2*z12*z34) + 
   (s13^3*z2*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s13*s14*z2*z4)/(4*s234*s34^2*z12*z34) + (s13^2*s14*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s14^2*z2*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s12*s23*z2*z4)/(s234*s34^2*z12*z34) - 
   (3*s13*s23*z2*z4)/(4*s234*s34^2*z12*z34) + 
   (s13^2*s23*z2*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (3*s14*s23*z2*z4)/(2*s234*s34^2*z12*z34) - 
   (s14^2*s23*z2*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s23^2*z2*z4)/(s234*s34^2*z12*z34) + (s13*s23^2*z2*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s14*s23^2*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s13^2*s24*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (5*s13*s24*z2*z4)/(4*s134*s34^2*z12*z34) + (s13*s14*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) - (2*s23*s24*z2*z4)/(s12*s34^2*z12*z34) + 
   (s13*s23*s24*z2*z4)/(s12^2*s34^2*z12*z34) - (s14*s23*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) + (s14*s23*s24*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (3*s13*s24*z2*z4)/(4*s234*s34^2*z12*z34) + 
   (s13^2*s24*z2*z4)/(s12*s234*s34^2*z12*z34) + 
   (s13*s14*s24*z2*z4)/(s12*s234*s34^2*z12*z34) - 
   (s23*s24*z2*z4)/(s234*s34^2*z12*z34) + (s13*s23*s24*z2*z4)/
    (s12*s234*s34^2*z12*z34) - (s14*s23*s24*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s24^2*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (s13*s24^2*z2*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (3*s13*s24^2*z2*z4)/(4*s12*s234*s34^2*z12*z34) - (z2*z4)/(s34*z12*z34) + 
   (2*s13^2*z2*z4)/(s12^2*s34*z12*z34) - (s12*z2*z4)/(2*s134*s34*z12*z34) - 
   (3*s13*z2*z4)/(4*s134*s34*z12*z34) + (s13^2*z2*z4)/
    (s12*s134*s34*z12*z34) - (s14*z2*z4)/(s12*s34*z12*z34) + 
   (2*s13*s14*z2*z4)/(s12^2*s34*z12*z34) - 
   (3*s14*z2*z4)/(4*s134*s34*z12*z34) + (3*s13*s14*z2*z4)/
    (4*s12*s134*s34*z12*z34) - (s14^2*z2*z4)/(4*s12*s134*s34*z12*z34) - 
   (2*s23*z2*z4)/(s12*s34*z12*z34) - (s23*z2*z4)/(2*s123*s34*z12*z34) - 
   (s23*z2*z4)/(2*s124*s34*z12*z34) + (3*s13*s23*z2*z4)/(s12^2*s34*z12*z34) - 
   (3*s13*s23*z2*z4)/(4*s12*s123*s34*z12*z34) - 
   (3*s13*s23*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s23*z2*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^2*s23*z2*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (s23*z2*z4)/(4*s134*s34*z12*z34) + (5*s13*s23*z2*z4)/
    (4*s12*s134*s34*z12*z34) - (3*s14*s23*z2*z4)/(4*s12*s123*s34*z12*z34) - 
   (3*s14*s23*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13*s14*s23*z2*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s14*s23*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s23*z2*z4)/(2*s12*s134*s34*z12*z34) - 
   (s14^2*s23*z2*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^2*s23*z2*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s23^2*z2*z4)/(s12^2*s34*z12*z34) - (3*s23^2*z2*z4)/
    (4*s12*s123*s34*z12*z34) - (3*s23^2*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13*s23^2*z2*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s23^2*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^2*z2*z4)/(4*s12*s134*s34*z12*z34) - (s14*s23^2*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) - (s14*s23^2*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) - (s23^3*z2*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s23^3*z2*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s12*z2*z4)/(2*s234*s34*z12*z34) + (7*s13*z2*z4)/(4*s234*s34*z12*z34) + 
   (3*s13^2*z2*z4)/(2*s12*s234*s34*z12*z34) + 
   (3*s14*z2*z4)/(4*s234*s34*z12*z34) + (7*s13*s14*z2*z4)/
    (4*s12*s234*s34*z12*z34) + (s14^2*z2*z4)/(4*s12*s234*s34*z12*z34) + 
   (s23*z2*z4)/(4*s234*s34*z12*z34) + (9*s13*s23*z2*z4)/
    (4*s12*s234*s34*z12*z34) + (s14*s23*z2*z4)/(2*s12*s234*s34*z12*z34) + 
   (3*s23^2*z2*z4)/(4*s12*s234*s34*z12*z34) - (s24*z2*z4)/(s12*s34*z12*z34) + 
   (3*s13*s24*z2*z4)/(s12^2*s34*z12*z34) - 
   (3*s24*z2*z4)/(4*s134*s34*z12*z34) + (s13*s24*z2*z4)/
    (4*s12*s134*s34*z12*z34) - (s14*s24*z2*z4)/(2*s12*s134*s34*z12*z34) + 
   (s23*s24*z2*z4)/(s12^2*s34*z12*z34) - (3*s23*s24*z2*z4)/
    (4*s12*s123*s34*z12*z34) - (3*s23*s24*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13*s23*s24*z2*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s23*s24*z2*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s14*s23*s24*z2*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s14*s23*s24*z2*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s23^2*s24*z2*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s23^2*s24*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s24*z2*z4)/(4*s234*s34*z12*z34) + (9*s13*s24*z2*z4)/
    (4*s12*s234*s34*z12*z34) + (s14*s24*z2*z4)/(2*s12*s234*s34*z12*z34) + 
   (s23*s24*z2*z4)/(s12*s234*s34*z12*z34) - 
   (s24^2*z2*z4)/(4*s12*s134*s34*z12*z34) - (s23*s24^2*z2*z4)/
    (4*s12^2*s123*s34*z12*z34) - (s23*s24^2*z2*z4)/
    (4*s12^2*s124*s34*z12*z34) + (s24^2*z2*z4)/(4*s12*s234*s34*z12*z34) - 
   (3*z3*z4)/(2*s123*z12*z34) - (z3*z4)/(2*s124*z12*z34) - 
   (s13*z3*z4)/(s12*s123*z12*z34) + (s13*z3*z4)/(s12*s124*z12*z34) - 
   (z3*z4)/(2*s134*z12*z34) - (s14*z3*z4)/(2*s12*s123*z12*z34) + 
   (s14*z3*z4)/(2*s12*s124*z12*z34) - (s23*z3*z4)/(s12*s123*z12*z34) + 
   (s23*z3*z4)/(s12*s124*z12*z34) - (z3*z4)/(2*s234*z12*z34) - 
   (s24*z3*z4)/(2*s12*s123*z12*z34) + (s24*z3*z4)/(2*s12*s124*z12*z34) - 
   (3*s12*z3*z4)/(s34^2*z12*z34) - (4*s13*z3*z4)/(s34^2*z12*z34) - 
   (s13^2*z3*z4)/(s12*s34^2*z12*z34) - (s12*s13*z3*z4)/
    (4*s134*s34^2*z12*z34) - (s13^2*z3*z4)/(4*s134*s34^2*z12*z34) - 
   (4*s14*z3*z4)/(s34^2*z12*z34) - (2*s13*s14*z3*z4)/(s12*s34^2*z12*z34) - 
   (s12*s14*z3*z4)/(4*s134*s34^2*z12*z34) - (s13*s14*z3*z4)/
    (2*s134*s34^2*z12*z34) - (s14^2*z3*z4)/(s12*s34^2*z12*z34) - 
   (s14^2*z3*z4)/(4*s134*s34^2*z12*z34) - (4*s23*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s23*z3*z4)/(s12*s34^2*z12*z34) - (3*s12*s23*z3*z4)/
    (4*s134*s34^2*z12*z34) - (5*s13*s23*z3*z4)/(4*s134*s34^2*z12*z34) - 
   (s13^2*s23*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (2*s14*s23*z3*z4)/(s12*s34^2*z12*z34) - (5*s14*s23*z3*z4)/
    (4*s134*s34^2*z12*z34) - (s13*s14*s23*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^2*s23*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s23^2*z3*z4)/(s12*s34^2*z12*z34) - (s23^2*z3*z4)/(s134*s34^2*z12*z34) - 
   (s13*s23^2*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s23^2*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s23^3*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s12*s13*z3*z4)/(4*s234*s34^2*z12*z34) - 
   (s13^2*z3*z4)/(4*s234*s34^2*z12*z34) - (s12*s14*z3*z4)/
    (4*s234*s34^2*z12*z34) - (s13*s14*z3*z4)/(2*s234*s34^2*z12*z34) - 
   (s14^2*z3*z4)/(4*s234*s34^2*z12*z34) + (s12*s23*z3*z4)/
    (4*s234*s34^2*z12*z34) + (s13*s23*z3*z4)/(4*s234*s34^2*z12*z34) + 
   (s13^2*s23*z3*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s14*s23*z3*z4)/(4*s234*s34^2*z12*z34) + (s13*s14*s23*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s23*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) + (s23^2*z3*z4)/(2*s234*s34^2*z12*z34) + 
   (s13*s23^2*z3*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s23^2*z3*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s23^3*z3*z4)/(4*s12*s234*s34^2*z12*z34) - (4*s24*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s24*z3*z4)/(s12*s34^2*z12*z34) - (3*s12*s24*z3*z4)/
    (4*s134*s34^2*z12*z34) - (5*s13*s24*z3*z4)/(4*s134*s34^2*z12*z34) - 
   (s13^2*s24*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (2*s14*s24*z3*z4)/(s12*s34^2*z12*z34) - (5*s14*s24*z3*z4)/
    (4*s134*s34^2*z12*z34) - (s13*s14*s24*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^2*s24*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (2*s23*s24*z3*z4)/(s12*s34^2*z12*z34) - (2*s23*s24*z3*z4)/
    (s134*s34^2*z12*z34) - (s13*s23*s24*z3*z4)/(s12*s134*s34^2*z12*z34) - 
   (s14*s23*s24*z3*z4)/(s12*s134*s34^2*z12*z34) - 
   (3*s23^2*s24*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s12*s24*z3*z4)/(4*s234*s34^2*z12*z34) + (s13*s24*z3*z4)/
    (4*s234*s34^2*z12*z34) + (s13^2*s24*z3*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s14*s24*z3*z4)/(4*s234*s34^2*z12*z34) + (s13*s14*s24*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s24*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) + (s23*s24*z3*z4)/(s234*s34^2*z12*z34) + 
   (s13*s23*s24*z3*z4)/(s12*s234*s34^2*z12*z34) + 
   (s14*s23*s24*z3*z4)/(s12*s234*s34^2*z12*z34) + 
   (3*s23^2*s24*z3*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (s24^2*z3*z4)/(s12*s34^2*z12*z34) - (s24^2*z3*z4)/(s134*s34^2*z12*z34) - 
   (s13*s24^2*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s24^2*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (3*s23*s24^2*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s24^2*z3*z4)/(2*s234*s34^2*z12*z34) + (s13*s24^2*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s24^2*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) + (3*s23*s24^2*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s24^3*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s24^3*z3*z4)/(4*s12*s234*s34^2*z12*z34) - (3*z3*z4)/(s34*z12*z34) - 
   (3*s12*z3*z4)/(2*s123*s34*z12*z34) - (3*s12*z3*z4)/(2*s124*s34*z12*z34) - 
   (s13*z3*z4)/(s12*s34*z12*z34) - (5*s13*z3*z4)/(2*s123*s34*z12*z34) - 
   (3*s13*z3*z4)/(2*s124*s34*z12*z34) - (s13^2*z3*z4)/
    (s12*s123*s34*z12*z34) - (s12*z3*z4)/(2*s134*s34*z12*z34) - 
   (3*s13*z3*z4)/(4*s134*s34*z12*z34) - (s14*z3*z4)/(s12*s34*z12*z34) - 
   (2*s14*z3*z4)/(s123*s34*z12*z34) - (2*s14*z3*z4)/(s124*s34*z12*z34) - 
   (3*s13*s14*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s13*s14*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (3*s14*z3*z4)/(4*s134*s34*z12*z34) - (s14^2*z3*z4)/
    (2*s12*s123*s34*z12*z34) - (s14^2*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s23*z3*z4)/(s12*s34*z12*z34) - (5*s23*z3*z4)/(2*s123*s34*z12*z34) - 
   (3*s23*z3*z4)/(2*s124*s34*z12*z34) - (2*s13*s23*z3*z4)/
    (s12*s123*s34*z12*z34) - (5*s23*z3*z4)/(4*s134*s34*z12*z34) - 
   (s13*s23*z3*z4)/(4*s12*s134*s34*z12*z34) - 
   (3*s14*s23*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s14*s23*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s14*s23*z3*z4)/(4*s12*s134*s34*z12*z34) - 
   (s23^2*z3*z4)/(s12*s123*s34*z12*z34) - 
   (s23^2*z3*z4)/(4*s12*s134*s34*z12*z34) - 
   (s12*z3*z4)/(2*s234*s34*z12*z34) - (3*s13*z3*z4)/(4*s234*s34*z12*z34) - 
   (3*s14*z3*z4)/(4*s234*s34*z12*z34) - (s23*z3*z4)/(4*s234*s34*z12*z34) + 
   (s13*s23*z3*z4)/(4*s12*s234*s34*z12*z34) + 
   (s14*s23*z3*z4)/(4*s12*s234*s34*z12*z34) + 
   (s23^2*z3*z4)/(4*s12*s234*s34*z12*z34) - (s24*z3*z4)/(s12*s34*z12*z34) - 
   (2*s24*z3*z4)/(s123*s34*z12*z34) - (2*s24*z3*z4)/(s124*s34*z12*z34) - 
   (3*s13*s24*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s13*s24*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (5*s24*z3*z4)/(4*s134*s34*z12*z34) - (s13*s24*z3*z4)/
    (4*s12*s134*s34*z12*z34) - (s14*s24*z3*z4)/(s12*s123*s34*z12*z34) - 
   (s14*s24*z3*z4)/(s12*s124*s34*z12*z34) - (s14*s24*z3*z4)/
    (4*s12*s134*s34*z12*z34) - (3*s23*s24*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s23*s24*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s23*s24*z3*z4)/(2*s12*s134*s34*z12*z34) - 
   (s24*z3*z4)/(4*s234*s34*z12*z34) + (s13*s24*z3*z4)/
    (4*s12*s234*s34*z12*z34) + (s14*s24*z3*z4)/(4*s12*s234*s34*z12*z34) + 
   (s23*s24*z3*z4)/(2*s12*s234*s34*z12*z34) - 
   (s24^2*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s24^2*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s24^2*z3*z4)/(4*s12*s134*s34*z12*z34) + 
   (s24^2*z3*z4)/(4*s12*s234*s34*z12*z34) + (s34*z3*z4)/(s12*s124*z12*z34) - 
   (2*z3*z4^2)/(s12*z12*z34^2) + (2*s12*z3*z4^2)/(s34^2*z12*z34^2) + 
   (2*s13*z3*z4^2)/(s34^2*z12*z34^2) + (2*s14*z3*z4^2)/(s34^2*z12*z34^2) + 
   (2*s23*z3*z4^2)/(s34^2*z12*z34^2) + (2*s24*z3*z4^2)/(s34^2*z12*z34^2) - 
   (2*s13*z3*z4^2)/(s12*s34*z12*z34^2) - (2*s14*z3*z4^2)/
    (s12*s34*z12*z34^2) - (2*s23*z3*z4^2)/(s12*s34*z12*z34^2) - 
   (2*s24*z3*z4^2)/(s12*s34*z12*z34^2) + (s13*z4^2)/(s34^2*z12*z34) + 
   (s13^2*z4^2)/(s12*s34^2*z12*z34) + (s13*s14*z4^2)/(s12*s34^2*z12*z34) + 
   (s23*z4^2)/(s34^2*z12*z34) + (2*s13*s23*z4^2)/(s12*s34^2*z12*z34) + 
   (s12*s23*z4^2)/(2*s134*s34^2*z12*z34) + (3*s13*s23*z4^2)/
    (4*s134*s34^2*z12*z34) + (s13^2*s23*z4^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s14*s23*z4^2)/(s12*s34^2*z12*z34) + (3*s14*s23*z4^2)/
    (4*s134*s34^2*z12*z34) + (s13*s14*s23*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*s23*z4^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s23^2*z4^2)/(s12*s34^2*z12*z34) + (3*s23^2*z4^2)/(4*s134*s34^2*z12*z34) + 
   (s13*s23^2*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23^2*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s23^3*z4^2)/(4*s12*s134*s34^2*z12*z34) - 
   (s12*s23*z4^2)/(2*s234*s34^2*z12*z34) - (3*s13*s23*z4^2)/
    (4*s234*s34^2*z12*z34) - (s13^2*s23*z4^2)/(4*s12*s234*s34^2*z12*z34) - 
   (3*s14*s23*z4^2)/(4*s234*s34^2*z12*z34) - (s13*s14*s23*z4^2)/
    (2*s12*s234*s34^2*z12*z34) - (s14^2*s23*z4^2)/
    (4*s12*s234*s34^2*z12*z34) - (3*s23^2*z4^2)/(4*s234*s34^2*z12*z34) - 
   (s13*s23^2*z4^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s14*s23^2*z4^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s23^3*z4^2)/(4*s12*s234*s34^2*z12*z34) + 
   (s13*s24*z4^2)/(s12*s34^2*z12*z34) + (s23*s24*z4^2)/(s12*s34^2*z12*z34) + 
   (3*s23*s24*z4^2)/(4*s134*s34^2*z12*z34) + (s13*s23*s24*z4^2)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s23*s24*z4^2)/
    (2*s12*s134*s34^2*z12*z34) + (s23^2*s24*z4^2)/
    (2*s12*s134*s34^2*z12*z34) - (3*s23*s24*z4^2)/(4*s234*s34^2*z12*z34) - 
   (s13*s23*s24*z4^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s14*s23*s24*z4^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s23^2*s24*z4^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s23*s24^2*z4^2)/(4*s12*s134*s34^2*z12*z34) - 
   (s23*s24^2*z4^2)/(4*s12*s234*s34^2*z12*z34) + 
   (s13*z4^2)/(s12*s34*z12*z34) + (s23*z4^2)/(s12*s34*z12*z34) + 
   (s23*z4^2)/(2*s134*s34*z12*z34) + (s13*s23*z4^2)/
    (4*s12*s134*s34*z12*z34) + (s14*s23*z4^2)/(4*s12*s134*s34*z12*z34) + 
   (s23^2*z4^2)/(4*s12*s134*s34*z12*z34) - (s23*z4^2)/(2*s234*s34*z12*z34) - 
   (s13*s23*z4^2)/(4*s12*s234*s34*z12*z34) - 
   (s14*s23*z4^2)/(4*s12*s234*s34*z12*z34) - 
   (s23^2*z4^2)/(4*s12*s234*s34*z12*z34) + 
   (s23*s24*z4^2)/(4*s12*s134*s34*z12*z34) - 
   (s23*s24*z4^2)/(4*s12*s234*s34*z12*z34)) + 
 k1k2*(-6/s12 + D/(2*s12) - 4/s123 + D/(2*s123) - 4/s124 + D/(2*s124) + 
   s13/s12^2 - (7*s13)/(2*s12*s123) + (D*s13)/(2*s12*s123) - 
   (4*s13)/(s12*s124) + (D*s13)/(2*s12*s124) + s13^2/(2*s12^2*s123) - 
   2/s134 - (2*s12)/(s123*s134) + s12/(s124*s134) + (5*s13)/(2*s12*s134) - 
   (D*s13)/(4*s12*s134) + (2*s13)/(s123*s134) - (D*s13)/(2*s123*s134) + 
   (D*s13)/(4*s124*s134) + (4*s13^2)/(s12*s123*s134) - 
   (D*s13^2)/(2*s12*s123*s134) - s13^2/(s12*s124*s134) + 
   (D*s13^2)/(4*s12*s124*s134) + s14/s12^2 - (4*s14)/(s12*s123) + 
   (D*s14)/(2*s12*s123) - (7*s14)/(2*s12*s124) + (D*s14)/(2*s12*s124) + 
   (s13*s14)/(s12^2*s123) + (s13*s14)/(s12^2*s124) + (5*s14)/(2*s12*s134) - 
   (D*s14)/(4*s12*s134) - (D*s14)/(2*s123*s134) - s14/(s124*s134) + 
   (D*s14)/(4*s124*s134) + (8*s13*s14)/(s12*s123*s134) - 
   (D*s13*s14)/(s12*s123*s134) - (4*s13*s14)/(s12*s124*s134) + 
   (D*s13*s14)/(2*s12*s124*s134) + s14^2/(2*s12^2*s124) + 
   (2*s14^2)/(s12*s123*s134) - (D*s14^2)/(2*s12*s123*s134) - 
   (2*s14^2)/(s12*s124*s134) + (D*s14^2)/(4*s12*s124*s134) + s23/s12^2 - 
   (7*s23)/(2*s12*s123) + (D*s23)/(2*s12*s123) - (4*s23)/(s12*s124) + 
   (D*s23)/(2*s12*s124) + (s13*s23)/(s12^2*s123) - s23/(s12*s134) + 
   (D*s23)/(4*s12*s134) - (4*s23)/(s123*s134) + (D*s23)/(2*s123*s134) + 
   (2*s23)/(s124*s134) - (D*s23)/(4*s124*s134) + 
   (2*s13*s23)/(s12*s123*s134) + (2*s14*s23)/(s12^2*s123) + 
   (2*s14*s23)/(s12^2*s124) + (2*s14*s23)/(s12*s123*s124) + 
   (2*s13*s14*s23)/(s12^2*s123*s124) - (2*s14*s23)/(s12*s124*s134) + 
   (2*s14^2*s23)/(s12^2*s123*s124) + s23^2/(2*s12^2*s123) - 
   (2*s23^2)/(s12*s123*s134) + (D*s23^2)/(2*s12*s123*s134) + 
   s23^2/(s12*s124*s134) - (D*s23^2)/(4*s12*s124*s134) + 
   (2*s14*s23^2)/(s12^2*s123*s124) - 2/s234 + s12/(s123*s234) - 
   (2*s12)/(s124*s234) - s13/(s12*s234) + (D*s13)/(4*s12*s234) + 
   (2*s13)/(s123*s234) - (D*s13)/(4*s123*s234) - (4*s13)/(s124*s234) + 
   (D*s13)/(2*s124*s234) + s13^2/(s12*s123*s234) - 
   (D*s13^2)/(4*s12*s123*s234) - (2*s13^2)/(s12*s124*s234) + 
   (D*s13^2)/(2*s12*s124*s234) - (6*s12)/(s134*s234) + (D*s12)/(s134*s234) - 
   (4*s13)/(s134*s234) + (D*s13)/(s134*s234) - s14/(s12*s234) + 
   (D*s14)/(4*s12*s234) + (2*s14)/(s123*s234) - (D*s14)/(4*s123*s234) - 
   (4*s14)/(s124*s234) + (D*s14)/(2*s124*s234) + 
   (2*s13*s14)/(s12*s123*s234) - (D*s13*s14)/(2*s12*s123*s234) - 
   (4*s13*s14)/(s12*s124*s234) + (D*s13*s14)/(s12*s124*s234) - 
   (4*s14)/(s134*s234) + (D*s14)/(s134*s234) + s14^2/(s12*s123*s234) - 
   (D*s14^2)/(4*s12*s123*s234) - (2*s14^2)/(s12*s124*s234) + 
   (D*s14^2)/(2*s12*s124*s234) + (5*s23)/(2*s12*s234) - 
   (D*s23)/(4*s12*s234) - s23/(s123*s234) + (D*s23)/(4*s123*s234) - 
   (D*s23)/(2*s124*s234) - (s13*s23)/(s12*s123*s234) - (4*s23)/(s134*s234) + 
   (D*s23)/(s134*s234) - (2*s14*s23)/(s12*s123*s234) - 
   (2*s23^2)/(s12*s123*s234) + (D*s23^2)/(4*s12*s123*s234) + 
   (2*s23^2)/(s12*s124*s234) - (D*s23^2)/(2*s12*s124*s234) + s24/s12^2 - 
   (4*s24)/(s12*s123) + (D*s24)/(2*s12*s123) - (7*s24)/(2*s12*s124) + 
   (D*s24)/(2*s12*s124) + (2*s13*s24)/(s12^2*s123) + 
   (2*s13*s24)/(s12^2*s124) + (2*s13*s24)/(s12*s123*s124) + 
   (2*s13^2*s24)/(s12^2*s123*s124) - s24/(s12*s134) + (D*s24)/(4*s12*s134) - 
   (4*s24)/(s123*s134) + (D*s24)/(2*s123*s134) + (2*s24)/(s124*s134) - 
   (D*s24)/(4*s124*s134) + (4*s13*s24)/(s12*s123*s134) + 
   (s14*s24)/(s12^2*s124) + (2*s13*s14*s24)/(s12^2*s123*s124) - 
   (s14*s24)/(s12*s124*s134) + (s23*s24)/(s12^2*s123) + 
   (s23*s24)/(s12^2*s124) + (2*s13*s23*s24)/(s12^2*s123*s124) - 
   (4*s23*s24)/(s12*s123*s134) + (D*s23*s24)/(s12*s123*s134) + 
   (2*s23*s24)/(s12*s124*s134) - (D*s23*s24)/(2*s12*s124*s134) + 
   (2*s14*s23*s24)/(s12^2*s123*s124) + (5*s24)/(2*s12*s234) - 
   (D*s24)/(4*s12*s234) + (D*s24)/(4*s123*s234) + (2*s24)/(s124*s234) - 
   (D*s24)/(2*s124*s234) + (4*s13*s24)/(s12*s124*s234) - 
   (4*s24)/(s134*s234) + (D*s24)/(s134*s234) + (2*s14*s24)/(s12*s124*s234) - 
   (4*s23*s24)/(s12*s123*s234) + (D*s23*s24)/(2*s12*s123*s234) + 
   (8*s23*s24)/(s12*s124*s234) - (D*s23*s24)/(s12*s124*s234) + 
   s24^2/(2*s12^2*s124) + (2*s13*s24^2)/(s12^2*s123*s124) - 
   (2*s24^2)/(s12*s123*s134) + (D*s24^2)/(2*s12*s123*s134) + 
   s24^2/(s12*s124*s134) - (D*s24^2)/(4*s12*s124*s134) - 
   s24^2/(s12*s123*s234) + (D*s24^2)/(4*s12*s123*s234) + 
   (4*s24^2)/(s12*s124*s234) - (D*s24^2)/(2*s12*s124*s234) + 
   (2*s13*s14)/(s12*s34^2) + (2*s13^2*s14)/(s12^2*s34^2) + 
   (3*s13*s14)/(s134*s34^2) + (3*s13^2*s14)/(s12*s134*s34^2) + 
   (2*s13*s14^2)/(s12^2*s34^2) + (3*s13*s14^2)/(s12*s134*s34^2) + 
   (3*s14*s23)/(s12*s34^2) + (5*s13*s14*s23)/(s12^2*s34^2) + 
   (3*s14*s23)/(2*s134*s34^2) + (9*s13*s14*s23)/(2*s12*s134*s34^2) + 
   (3*s14^2*s23)/(s12^2*s34^2) + (3*s14^2*s23)/(2*s12*s134*s34^2) + 
   (3*s14*s23^2)/(s12^2*s34^2) + (3*s14*s23^2)/(2*s12*s134*s34^2) + 
   (3*s14*s23)/(2*s234*s34^2) + (3*s13*s14*s23)/(2*s12*s234*s34^2) + 
   (2*s12*s14*s23)/(s134*s234*s34^2) + (2*s13*s14*s23)/(s134*s234*s34^2) + 
   (3*s14^2*s23)/(2*s12*s234*s34^2) + (2*s14^2*s23)/(s134*s234*s34^2) + 
   (3*s14*s23^2)/(2*s12*s234*s34^2) + (2*s14*s23^2)/(s134*s234*s34^2) + 
   (3*s13*s24)/(s12*s34^2) + (3*s13^2*s24)/(s12^2*s34^2) + 
   (3*s13*s24)/(2*s134*s34^2) + (3*s13^2*s24)/(2*s12*s134*s34^2) + 
   (5*s13*s14*s24)/(s12^2*s34^2) + (9*s13*s14*s24)/(2*s12*s134*s34^2) + 
   (2*s23*s24)/(s12*s34^2) + (5*s13*s23*s24)/(s12^2*s34^2) + 
   (3*s13*s23*s24)/(2*s12*s134*s34^2) + (5*s14*s23*s24)/(s12^2*s34^2) + 
   (3*s14*s23*s24)/(2*s12*s134*s34^2) + (2*s23^2*s24)/(s12^2*s34^2) + 
   (3*s13*s24)/(2*s234*s34^2) + (3*s13^2*s24)/(2*s12*s234*s34^2) + 
   (2*s12*s13*s24)/(s134*s234*s34^2) + (2*s13^2*s24)/(s134*s234*s34^2) + 
   (3*s13*s14*s24)/(2*s12*s234*s34^2) + (2*s13*s14*s24)/(s134*s234*s34^2) + 
   (3*s23*s24)/(s234*s34^2) + (9*s13*s23*s24)/(2*s12*s234*s34^2) + 
   (2*s13*s23*s24)/(s134*s234*s34^2) + (9*s14*s23*s24)/(2*s12*s234*s34^2) + 
   (2*s14*s23*s24)/(s134*s234*s34^2) + (3*s23^2*s24)/(s12*s234*s34^2) + 
   (3*s13*s24^2)/(s12^2*s34^2) + (3*s13*s24^2)/(2*s12*s134*s34^2) + 
   (2*s23*s24^2)/(s12^2*s34^2) + (3*s13*s24^2)/(2*s12*s234*s34^2) + 
   (2*s13*s24^2)/(s134*s234*s34^2) + (3*s23*s24^2)/(s12*s234*s34^2) - 6/s34 + 
   D/(2*s34) - (5*s13)/(s12*s34) + (D*s13)/(2*s12*s34) + s13^2/(s12^2*s34) - 
   (2*s12)/(s134*s34) + s13/(2*s134*s34) - (D*s13)/(4*s134*s34) + 
   (5*s13^2)/(2*s12*s134*s34) - (D*s13^2)/(4*s12*s134*s34) - 
   (5*s14)/(s12*s34) + (D*s14)/(2*s12*s34) + (4*s13*s14)/(s12^2*s34) + 
   (s13*s14)/(2*s12*s123*s34) + (s13*s14)/(2*s12*s124*s34) + 
   (s13^2*s14)/(2*s12^2*s123*s34) + (s13^2*s14)/(2*s12^2*s124*s34) + 
   s14/(2*s134*s34) - (D*s14)/(4*s134*s34) + (8*s13*s14)/(s12*s134*s34) - 
   (D*s13*s14)/(2*s12*s134*s34) + (2*s13*s14)/(s123*s134*s34) - 
   (s13*s14)/(s124*s134*s34) + (2*s13^2*s14)/(s12*s123*s134*s34) - 
   (s13^2*s14)/(s12*s124*s134*s34) + s14^2/(s12^2*s34) + 
   (s13*s14^2)/(2*s12^2*s123*s34) + (s13*s14^2)/(2*s12^2*s124*s34) + 
   (5*s14^2)/(2*s12*s134*s34) - (D*s14^2)/(4*s12*s134*s34) + 
   (2*s13*s14^2)/(s12*s123*s134*s34) - (s13*s14^2)/(s12*s124*s134*s34) - 
   (5*s23)/(s12*s34) + (D*s23)/(2*s12*s34) + (2*s13*s23)/(s12^2*s34) - 
   (3*s23)/(s134*s34) + (D*s23)/(4*s134*s34) + (3*s13*s23)/(2*s12*s134*s34) + 
   (5*s14*s23)/(s12^2*s34) + (3*s14*s23)/(2*s12*s123*s34) + 
   (3*s14*s23)/(2*s12*s124*s34) + (2*s13*s14*s23)/(s12^2*s123*s34) + 
   (2*s13*s14*s23)/(s12^2*s124*s34) + (3*s14*s23)/(s12*s134*s34) - 
   (s14*s23)/(s124*s134*s34) + (2*s13*s14*s23)/(s12*s123*s134*s34) - 
   (2*s13*s14*s23)/(s12*s124*s134*s34) + (3*s14^2*s23)/(2*s12^2*s123*s34) + 
   (3*s14^2*s23)/(2*s12^2*s124*s34) - (s14^2*s23)/(s12*s124*s134*s34) + 
   s23^2/(s12^2*s34) - s23^2/(s12*s134*s34) + (D*s23^2)/(4*s12*s134*s34) + 
   (3*s14*s23^2)/(2*s12^2*s123*s34) + (3*s14*s23^2)/(2*s12^2*s124*s34) - 
   (s14*s23^2)/(s12*s124*s134*s34) - (2*s12)/(s234*s34) - 
   (3*s13)/(s234*s34) + (D*s13)/(4*s234*s34) - s13^2/(s12*s234*s34) + 
   (D*s13^2)/(4*s12*s234*s34) - (2*s12^2)/(s134*s234*s34) - 
   (2*s12*s13)/(s134*s234*s34) - (3*s14)/(s234*s34) + (D*s14)/(4*s234*s34) - 
   (2*s13*s14)/(s12*s234*s34) + (D*s13*s14)/(2*s12*s234*s34) - 
   (2*s12*s14)/(s134*s234*s34) - s14^2/(s12*s234*s34) + 
   (D*s14^2)/(4*s12*s234*s34) + s23/(2*s234*s34) - (D*s23)/(4*s234*s34) + 
   (3*s13*s23)/(2*s12*s234*s34) - (2*s12*s23)/(s134*s234*s34) + 
   (3*s14*s23)/(s12*s234*s34) - (s14*s23)/(s123*s234*s34) - 
   (s13*s14*s23)/(s12*s123*s234*s34) + (2*s14*s23)/(s134*s234*s34) - 
   (s14^2*s23)/(s12*s123*s234*s34) + (5*s23^2)/(2*s12*s234*s34) - 
   (D*s23^2)/(4*s12*s234*s34) - (s14*s23^2)/(s12*s123*s234*s34) - 
   (5*s24)/(s12*s34) + (D*s24)/(2*s12*s34) + (5*s13*s24)/(s12^2*s34) + 
   (3*s13*s24)/(2*s12*s123*s34) + (3*s13*s24)/(2*s12*s124*s34) + 
   (3*s13^2*s24)/(2*s12^2*s123*s34) + (3*s13^2*s24)/(2*s12^2*s124*s34) - 
   (3*s24)/(s134*s34) + (D*s24)/(4*s134*s34) + (3*s13*s24)/(s12*s134*s34) + 
   (2*s13*s24)/(s123*s134*s34) + (2*s13^2*s24)/(s12*s123*s134*s34) + 
   (2*s14*s24)/(s12^2*s34) + (2*s13*s14*s24)/(s12^2*s123*s34) + 
   (2*s13*s14*s24)/(s12^2*s124*s34) + (3*s14*s24)/(2*s12*s134*s34) + 
   (4*s13*s14*s24)/(s12*s123*s134*s34) - (s13*s14*s24)/(s12*s124*s134*s34) + 
   (4*s23*s24)/(s12^2*s34) + (s23*s24)/(2*s12*s123*s34) + 
   (s23*s24)/(2*s12*s124*s34) + (2*s13*s23*s24)/(s12^2*s123*s34) + 
   (2*s13*s23*s24)/(s12^2*s124*s34) - (2*s23*s24)/(s12*s134*s34) + 
   (D*s23*s24)/(2*s12*s134*s34) + (2*s13*s23*s24)/(s12*s123*s134*s34) + 
   (2*s14*s23*s24)/(s12^2*s123*s34) + (2*s14*s23*s24)/(s12^2*s124*s34) - 
   (s14*s23*s24)/(s12*s124*s134*s34) + (s23^2*s24)/(2*s12^2*s123*s34) + 
   (s23^2*s24)/(2*s12^2*s124*s34) + s24/(2*s234*s34) - (D*s24)/(4*s234*s34) + 
   (3*s13*s24)/(s12*s234*s34) + (2*s13*s24)/(s124*s234*s34) + 
   (2*s13^2*s24)/(s12*s124*s234*s34) - (2*s12*s24)/(s134*s234*s34) + 
   (2*s13*s24)/(s134*s234*s34) + (3*s14*s24)/(2*s12*s234*s34) + 
   (2*s13*s14*s24)/(s12*s124*s234*s34) + (8*s23*s24)/(s12*s234*s34) - 
   (D*s23*s24)/(2*s12*s234*s34) - (s23*s24)/(s123*s234*s34) + 
   (2*s23*s24)/(s124*s234*s34) - (s13*s23*s24)/(s12*s123*s234*s34) + 
   (4*s13*s23*s24)/(s12*s124*s234*s34) - (2*s14*s23*s24)/
    (s12*s123*s234*s34) + (2*s14*s23*s24)/(s12*s124*s234*s34) - 
   (s23^2*s24)/(s12*s123*s234*s34) + (2*s23^2*s24)/(s12*s124*s234*s34) + 
   s24^2/(s12^2*s34) + (3*s13*s24^2)/(2*s12^2*s123*s34) + 
   (3*s13*s24^2)/(2*s12^2*s124*s34) - s24^2/(s12*s134*s34) + 
   (D*s24^2)/(4*s12*s134*s34) + (2*s13*s24^2)/(s12*s123*s134*s34) + 
   (s23*s24^2)/(2*s12^2*s123*s34) + (s23*s24^2)/(2*s12^2*s124*s34) + 
   (5*s24^2)/(2*s12*s234*s34) - (D*s24^2)/(4*s12*s234*s34) + 
   (2*s13*s24^2)/(s12*s124*s234*s34) - (s23*s24^2)/(s12*s123*s234*s34) + 
   (2*s23*s24^2)/(s12*s124*s234*s34) - (4*s34)/(s12*s123) + 
   (D*s34)/(2*s12*s123) - (4*s34)/(s12*s124) + (D*s34)/(2*s12*s124) - 
   (6*s34)/(s123*s124) + (D*s34)/(s123*s124) + (s13*s34)/(2*s12^2*s123) - 
   (6*s13*s34)/(s12*s123*s124) + (D*s13*s34)/(s12*s123*s124) - 
   (2*s34)/(s123*s134) + s34/(s124*s134) + (4*s13*s34)/(s12*s123*s134) - 
   (D*s13*s34)/(2*s12*s123*s134) - (s13*s34)/(s12*s124*s134) + 
   (D*s13*s34)/(4*s12*s124*s134) + (s14*s34)/(2*s12^2*s124) - 
   (6*s14*s34)/(s12*s123*s124) + (D*s14*s34)/(s12*s123*s124) + 
   (2*s14*s34)/(s12*s123*s134) - (D*s14*s34)/(2*s12*s123*s134) - 
   (2*s14*s34)/(s12*s124*s134) + (D*s14*s34)/(4*s12*s124*s134) + 
   (s23*s34)/(2*s12^2*s123) - (6*s23*s34)/(s12*s123*s124) + 
   (D*s23*s34)/(s12*s123*s124) - (2*s23*s34)/(s12*s123*s134) + 
   (D*s23*s34)/(2*s12*s123*s134) + (s23*s34)/(s12*s124*s134) - 
   (D*s23*s34)/(4*s12*s124*s134) + (2*s14*s23*s34)/(s12^2*s123*s124) + 
   s34/(s123*s234) - (2*s34)/(s124*s234) + (s13*s34)/(s12*s123*s234) - 
   (D*s13*s34)/(4*s12*s123*s234) - (2*s13*s34)/(s12*s124*s234) + 
   (D*s13*s34)/(2*s12*s124*s234) - (4*s34)/(s134*s234) + 
   (D*s34)/(s134*s234) + (s14*s34)/(s12*s123*s234) - 
   (D*s14*s34)/(4*s12*s123*s234) - (2*s14*s34)/(s12*s124*s234) + 
   (D*s14*s34)/(2*s12*s124*s234) - (2*s23*s34)/(s12*s123*s234) + 
   (D*s23*s34)/(4*s12*s123*s234) + (2*s23*s34)/(s12*s124*s234) - 
   (D*s23*s34)/(2*s12*s124*s234) + (s24*s34)/(2*s12^2*s124) - 
   (6*s24*s34)/(s12*s123*s124) + (D*s24*s34)/(s12*s123*s124) + 
   (2*s13*s24*s34)/(s12^2*s123*s124) - (2*s24*s34)/(s12*s123*s134) + 
   (D*s24*s34)/(2*s12*s123*s134) + (s24*s34)/(s12*s124*s134) - 
   (D*s24*s34)/(4*s12*s124*s134) - (s24*s34)/(s12*s123*s234) + 
   (D*s24*s34)/(4*s12*s123*s234) + (4*s24*s34)/(s12*s124*s234) - 
   (D*s24*s34)/(2*s12*s124*s234) - (6*s34^2)/(s12*s123*s124) + 
   (D*s34^2)/(s12*s123*s124) + z1/(s12*z12) - (s13*z1)/(s12^2*z12) - 
   (s13*z1)/(2*s12*s123*z12) - (s13^2*z1)/(2*s12^2*s123*z12) - 
   z1/(2*s134*z12) - (2*s12*z1)/(s123*s134*z12) + (s12*z1)/(s124*s134*z12) - 
   (5*s13*z1)/(4*s12*s134*z12) - (4*s13*z1)/(s123*s134*z12) + 
   (s13*z1)/(s124*s134*z12) - (2*s13^2*z1)/(s12*s123*s134*z12) - 
   (s14*z1)/(s12^2*z12) - (s14*z1)/(2*s12*s124*z12) - 
   (s13*s14*z1)/(s12^2*s123*z12) - (s13*s14*z1)/(s12^2*s124*z12) - 
   (5*s14*z1)/(4*s12*s134*z12) - (2*s14*z1)/(s123*s134*z12) + 
   (2*s14*z1)/(s124*s134*z12) - (2*s13*s14*z1)/(s12*s123*s134*z12) + 
   (s13*s14*z1)/(s12*s124*s134*z12) - (s14^2*z1)/(2*s12^2*s124*z12) + 
   (s14^2*z1)/(s12*s124*s134*z12) - (3*s23*z1)/(s12^2*z12) - 
   (3*s23*z1)/(2*s12*s123*z12) - (2*s13*s23*z1)/(s12^2*s123*z12) - 
   (5*s23*z1)/(4*s12*s134*z12) - (4*s23*z1)/(s123*s134*z12) + 
   (s23*z1)/(s124*s134*z12) - (4*s13*s23*z1)/(s12*s123*s134*z12) - 
   (2*s14*s23*z1)/(s12^2*s123*z12) - (2*s14*s23*z1)/(s12*s123*s134*z12) + 
   (s14*s23*z1)/(s12*s124*s134*z12) - (3*s23^2*z1)/(2*s12^2*s123*z12) - 
   (2*s23^2*z1)/(s12*s123*s134*z12) + z1/(2*s234*z12) + 
   (s13*z1)/(4*s12*s234*z12) + (s14*z1)/(4*s12*s234*z12) - 
   (3*s23*z1)/(4*s12*s234*z12) - (3*s24*z1)/(s12^2*z12) - 
   (3*s24*z1)/(2*s12*s124*z12) - (2*s13*s24*z1)/(s12^2*s124*z12) - 
   (5*s24*z1)/(4*s12*s134*z12) - (2*s24*z1)/(s123*s134*z12) + 
   (2*s24*z1)/(s124*s134*z12) - (2*s13*s24*z1)/(s12*s123*s134*z12) + 
   (s13*s24*z1)/(s12*s124*s134*z12) - (2*s14*s24*z1)/(s12^2*s124*z12) + 
   (2*s14*s24*z1)/(s12*s124*s134*z12) - (s23*s24*z1)/(s12^2*s123*z12) - 
   (s23*s24*z1)/(s12^2*s124*z12) - (2*s23*s24*z1)/(s12*s123*s134*z12) + 
   (s23*s24*z1)/(s12*s124*s134*z12) - (3*s24*z1)/(4*s12*s234*z12) - 
   (3*s24^2*z1)/(2*s12^2*s124*z12) + (s24^2*z1)/(s12*s124*s134*z12) - 
   (2*s13*s14*z1)/(s12*s34^2*z12) - (2*s13^2*s14*z1)/(s12^2*s34^2*z12) - 
   (s13*s14*z1)/(s134*s34^2*z12) - (s13^2*s14*z1)/(s12*s134*s34^2*z12) - 
   (2*s13*s14^2*z1)/(s12^2*s34^2*z12) - (s13*s14^2*z1)/(s12*s134*s34^2*z12) - 
   (s14*s23*z1)/(s12*s34^2*z12) - (3*s13*s14*s23*z1)/(s12^2*s34^2*z12) - 
   (s14*s23*z1)/(2*s134*s34^2*z12) - (3*s13*s14*s23*z1)/
    (2*s12*s134*s34^2*z12) - (s14^2*s23*z1)/(s12^2*s34^2*z12) - 
   (s14^2*s23*z1)/(2*s12*s134*s34^2*z12) - (s14*s23^2*z1)/(s12^2*s34^2*z12) - 
   (s14*s23^2*z1)/(2*s12*s134*s34^2*z12) - (s14*s23*z1)/(2*s234*s34^2*z12) - 
   (s13*s14*s23*z1)/(2*s12*s234*s34^2*z12) - 
   (s14^2*s23*z1)/(2*s12*s234*s34^2*z12) - 
   (s14*s23^2*z1)/(2*s12*s234*s34^2*z12) - (s13*s24*z1)/(s12*s34^2*z12) - 
   (s13^2*s24*z1)/(s12^2*s34^2*z12) - (s13*s24*z1)/(2*s134*s34^2*z12) - 
   (s13^2*s24*z1)/(2*s12*s134*s34^2*z12) - (3*s13*s14*s24*z1)/
    (s12^2*s34^2*z12) - (3*s13*s14*s24*z1)/(2*s12*s134*s34^2*z12) - 
   (s13*s23*s24*z1)/(s12^2*s34^2*z12) - (s13*s23*s24*z1)/
    (2*s12*s134*s34^2*z12) - (s14*s23*s24*z1)/(s12^2*s34^2*z12) - 
   (s14*s23*s24*z1)/(2*s12*s134*s34^2*z12) - 
   (s13*s24*z1)/(2*s234*s34^2*z12) - (s13^2*s24*z1)/(2*s12*s234*s34^2*z12) - 
   (s13*s14*s24*z1)/(2*s12*s234*s34^2*z12) - (s23*s24*z1)/(s234*s34^2*z12) - 
   (3*s13*s23*s24*z1)/(2*s12*s234*s34^2*z12) - 
   (3*s14*s23*s24*z1)/(2*s12*s234*s34^2*z12) - 
   (s23^2*s24*z1)/(s12*s234*s34^2*z12) - (s13*s24^2*z1)/(s12^2*s34^2*z12) - 
   (s13*s24^2*z1)/(2*s12*s134*s34^2*z12) - 
   (s13*s24^2*z1)/(2*s12*s234*s34^2*z12) - 
   (s23*s24^2*z1)/(s12*s234*s34^2*z12) + z1/(s34*z12) - 
   (s13^2*z1)/(s12^2*s34*z12) - (s12*z1)/(2*s134*s34*z12) - 
   (7*s13*z1)/(4*s134*s34*z12) - (5*s13^2*z1)/(4*s12*s134*s34*z12) - 
   (4*s13*s14*z1)/(s12^2*s34*z12) - (s13*s14*z1)/(2*s12*s123*s34*z12) - 
   (s13*s14*z1)/(2*s12*s124*s34*z12) - (s13^2*s14*z1)/
    (2*s12^2*s123*s34*z12) - (s13^2*s14*z1)/(2*s12^2*s124*s34*z12) - 
   (7*s14*z1)/(4*s134*s34*z12) - (7*s13*s14*z1)/(2*s12*s134*s34*z12) - 
   (s14^2*z1)/(s12^2*s34*z12) - (s13*s14^2*z1)/(2*s12^2*s123*s34*z12) - 
   (s13*s14^2*z1)/(2*s12^2*s124*s34*z12) - 
   (5*s14^2*z1)/(4*s12*s134*s34*z12) - (2*s23*z1)/(s12*s34*z12) - 
   (4*s13*s23*z1)/(s12^2*s34*z12) - (7*s23*z1)/(4*s134*s34*z12) - 
   (5*s13*s23*z1)/(2*s12*s134*s34*z12) - (5*s14*s23*z1)/(s12^2*s34*z12) - 
   (s14*s23*z1)/(2*s12*s123*s34*z12) + (s14*s23*z1)/(2*s12*s124*s34*z12) - 
   (s13*s14*s23*z1)/(s12^2*s123*s34*z12) - 
   (3*s14*s23*z1)/(s12*s134*s34*z12) - (s14^2*s23*z1)/
    (2*s12^2*s123*s34*z12) + (s14^2*s23*z1)/(2*s12^2*s124*s34*z12) - 
   (3*s23^2*z1)/(s12^2*s34*z12) - (5*s23^2*z1)/(4*s12*s134*s34*z12) - 
   (s14*s23^2*z1)/(2*s12^2*s123*s34*z12) + 
   (s14*s23^2*z1)/(2*s12^2*s124*s34*z12) + (s12*z1)/(2*s234*s34*z12) + 
   (3*s13*z1)/(4*s234*s34*z12) + (s13^2*z1)/(4*s12*s234*s34*z12) + 
   (3*s14*z1)/(4*s234*s34*z12) + (s13*s14*z1)/(2*s12*s234*s34*z12) + 
   (s14^2*z1)/(4*s12*s234*s34*z12) - (s23*z1)/(4*s234*s34*z12) - 
   (s13*s23*z1)/(2*s12*s234*s34*z12) - (s14*s23*z1)/(s12*s234*s34*z12) - 
   (3*s23^2*z1)/(4*s12*s234*s34*z12) - (2*s24*z1)/(s12*s34*z12) - 
   (5*s13*s24*z1)/(s12^2*s34*z12) + (s13*s24*z1)/(2*s12*s123*s34*z12) - 
   (s13*s24*z1)/(2*s12*s124*s34*z12) + (s13^2*s24*z1)/
    (2*s12^2*s123*s34*z12) - (s13^2*s24*z1)/(2*s12^2*s124*s34*z12) - 
   (7*s24*z1)/(4*s134*s34*z12) - (3*s13*s24*z1)/(s12*s134*s34*z12) - 
   (4*s14*s24*z1)/(s12^2*s34*z12) - (s13*s14*s24*z1)/(s12^2*s124*s34*z12) - 
   (5*s14*s24*z1)/(2*s12*s134*s34*z12) - (6*s23*s24*z1)/(s12^2*s34*z12) + 
   (s23*s24*z1)/(2*s12*s123*s34*z12) + (s23*s24*z1)/(2*s12*s124*s34*z12) + 
   (s13*s23*s24*z1)/(s12^2*s123*s34*z12) - 
   (5*s23*s24*z1)/(2*s12*s134*s34*z12) + (s14*s23*s24*z1)/
    (s12^2*s124*s34*z12) + (s23^2*s24*z1)/(2*s12^2*s123*s34*z12) + 
   (s23^2*s24*z1)/(2*s12^2*s124*s34*z12) - (s24*z1)/(4*s234*s34*z12) - 
   (s13*s24*z1)/(s12*s234*s34*z12) - (s14*s24*z1)/(2*s12*s234*s34*z12) - 
   (5*s23*s24*z1)/(2*s12*s234*s34*z12) - (3*s24^2*z1)/(s12^2*s34*z12) + 
   (s13*s24^2*z1)/(2*s12^2*s123*s34*z12) - 
   (s13*s24^2*z1)/(2*s12^2*s124*s34*z12) - 
   (5*s24^2*z1)/(4*s12*s134*s34*z12) + (s23*s24^2*z1)/
    (2*s12^2*s123*s34*z12) + (s23*s24^2*z1)/(2*s12^2*s124*s34*z12) - 
   (3*s24^2*z1)/(4*s12*s234*s34*z12) - (s13*s34*z1)/(2*s12^2*s123*z12) - 
   (2*s34*z1)/(s123*s134*z12) + (s34*z1)/(s124*s134*z12) - 
   (2*s13*s34*z1)/(s12*s123*s134*z12) - (s14*s34*z1)/(2*s12^2*s124*z12) + 
   (s14*s34*z1)/(s12*s124*s134*z12) - (3*s23*s34*z1)/(2*s12^2*s123*z12) - 
   (2*s23*s34*z1)/(s12*s123*s134*z12) - (3*s24*s34*z1)/(2*s12^2*s124*z12) + 
   (s24*s34*z1)/(s12*s124*s134*z12) + (2*z1*z2)/(s12*z12^2) + 
   (2*z1*z2)/(s123*z12^2) + (2*z1*z2)/(s124*z12^2) + 
   (4*s13*z1*z2)/(s12^2*z12^2) + (4*s13*z1*z2)/(s12*s123*z12^2) + 
   (2*s13*z1*z2)/(s12*s124*z12^2) + (2*s13^2*z1*z2)/(s12^2*s123*z12^2) + 
   (4*s14*z1*z2)/(s12^2*z12^2) + (2*s14*z1*z2)/(s12*s123*z12^2) + 
   (4*s14*z1*z2)/(s12*s124*z12^2) + (2*s13*s14*z1*z2)/(s12^2*s123*z12^2) + 
   (2*s13*s14*z1*z2)/(s12^2*s124*z12^2) + (2*s14^2*z1*z2)/
    (s12^2*s124*z12^2) + (4*s23*z1*z2)/(s12^2*z12^2) + 
   (4*s23*z1*z2)/(s12*s123*z12^2) + (2*s23*z1*z2)/(s12*s124*z12^2) + 
   (4*s13*s23*z1*z2)/(s12^2*s123*z12^2) + (2*s14*s23*z1*z2)/
    (s12^2*s123*z12^2) + (2*s14*s23*z1*z2)/(s12^2*s124*z12^2) + 
   (2*s23^2*z1*z2)/(s12^2*s123*z12^2) + (4*s24*z1*z2)/(s12^2*z12^2) + 
   (2*s24*z1*z2)/(s12*s123*z12^2) + (4*s24*z1*z2)/(s12*s124*z12^2) + 
   (2*s13*s24*z1*z2)/(s12^2*s123*z12^2) + (2*s13*s24*z1*z2)/
    (s12^2*s124*z12^2) + (4*s14*s24*z1*z2)/(s12^2*s124*z12^2) + 
   (2*s23*s24*z1*z2)/(s12^2*s123*z12^2) + (2*s23*s24*z1*z2)/
    (s12^2*s124*z12^2) + (2*s24^2*z1*z2)/(s12^2*s124*z12^2) + 
   (2*s13*s14*z1*z2)/(s12*s34^2*z12^2) + (2*s13^2*s14*z1*z2)/
    (s12^2*s34^2*z12^2) + (2*s13*s14^2*z1*z2)/(s12^2*s34^2*z12^2) + 
   (2*s14*s23*z1*z2)/(s12*s34^2*z12^2) + (4*s13*s14*s23*z1*z2)/
    (s12^2*s34^2*z12^2) + (2*s14^2*s23*z1*z2)/(s12^2*s34^2*z12^2) + 
   (2*s14*s23^2*z1*z2)/(s12^2*s34^2*z12^2) + (2*s13*s24*z1*z2)/
    (s12*s34^2*z12^2) + (2*s13^2*s24*z1*z2)/(s12^2*s34^2*z12^2) + 
   (4*s13*s14*s24*z1*z2)/(s12^2*s34^2*z12^2) + 
   (2*s23*s24*z1*z2)/(s12*s34^2*z12^2) + (4*s13*s23*s24*z1*z2)/
    (s12^2*s34^2*z12^2) + (4*s14*s23*s24*z1*z2)/(s12^2*s34^2*z12^2) + 
   (2*s23^2*s24*z1*z2)/(s12^2*s34^2*z12^2) + (2*s13*s24^2*z1*z2)/
    (s12^2*s34^2*z12^2) + (2*s23*s24^2*z1*z2)/(s12^2*s34^2*z12^2) + 
   (2*z1*z2)/(s34*z12^2) + (6*s13*z1*z2)/(s12*s34*z12^2) + 
   (4*s13^2*z1*z2)/(s12^2*s34*z12^2) + (6*s14*z1*z2)/(s12*s34*z12^2) + 
   (10*s13*s14*z1*z2)/(s12^2*s34*z12^2) + (4*s14^2*z1*z2)/(s12^2*s34*z12^2) + 
   (6*s23*z1*z2)/(s12*s34*z12^2) + (8*s13*s23*z1*z2)/(s12^2*s34*z12^2) + 
   (10*s14*s23*z1*z2)/(s12^2*s34*z12^2) + (4*s23^2*z1*z2)/(s12^2*s34*z12^2) + 
   (6*s24*z1*z2)/(s12*s34*z12^2) + (10*s13*s24*z1*z2)/(s12^2*s34*z12^2) + 
   (8*s14*s24*z1*z2)/(s12^2*s34*z12^2) + (10*s23*s24*z1*z2)/
    (s12^2*s34*z12^2) + (4*s24^2*z1*z2)/(s12^2*s34*z12^2) + 
   (2*s34*z1*z2)/(s12*s123*z12^2) + (2*s34*z1*z2)/(s12*s124*z12^2) + 
   (2*s13*s34*z1*z2)/(s12^2*s123*z12^2) + (2*s14*s34*z1*z2)/
    (s12^2*s124*z12^2) + (2*s23*s34*z1*z2)/(s12^2*s123*z12^2) + 
   (2*s24*s34*z1*z2)/(s12^2*s124*z12^2) + z2/(s12*z12) - 
   (3*s13*z2)/(s12^2*z12) - (3*s13*z2)/(2*s12*s123*z12) - 
   (3*s13^2*z2)/(2*s12^2*s123*z12) + z2/(2*s134*z12) - 
   (3*s13*z2)/(4*s12*s134*z12) - (3*s14*z2)/(s12^2*z12) - 
   (3*s14*z2)/(2*s12*s124*z12) - (s13*s14*z2)/(s12^2*s123*z12) - 
   (s13*s14*z2)/(s12^2*s124*z12) - (3*s14*z2)/(4*s12*s134*z12) - 
   (3*s14^2*z2)/(2*s12^2*s124*z12) - (s23*z2)/(s12^2*z12) - 
   (s23*z2)/(2*s12*s123*z12) - (2*s13*s23*z2)/(s12^2*s123*z12) + 
   (s23*z2)/(4*s12*s134*z12) - (2*s14*s23*z2)/(s12^2*s124*z12) - 
   (s23^2*z2)/(2*s12^2*s123*z12) - z2/(2*s234*z12) + 
   (s12*z2)/(s123*s234*z12) - (2*s12*z2)/(s124*s234*z12) - 
   (5*s13*z2)/(4*s12*s234*z12) + (2*s13*z2)/(s123*s234*z12) - 
   (2*s13*z2)/(s124*s234*z12) + (s13^2*z2)/(s12*s123*s234*z12) - 
   (5*s14*z2)/(4*s12*s234*z12) + (s14*z2)/(s123*s234*z12) - 
   (4*s14*z2)/(s124*s234*z12) + (s13*s14*z2)/(s12*s123*s234*z12) - 
   (2*s13*s14*z2)/(s12*s124*s234*z12) - (2*s14^2*z2)/(s12*s124*s234*z12) - 
   (5*s23*z2)/(4*s12*s234*z12) + (2*s23*z2)/(s123*s234*z12) - 
   (2*s23*z2)/(s124*s234*z12) + (2*s13*s23*z2)/(s12*s123*s234*z12) + 
   (s14*s23*z2)/(s12*s123*s234*z12) - (2*s14*s23*z2)/(s12*s124*s234*z12) + 
   (s23^2*z2)/(s12*s123*s234*z12) - (s24*z2)/(s12^2*z12) - 
   (s24*z2)/(2*s12*s124*z12) - (2*s13*s24*z2)/(s12^2*s123*z12) + 
   (s24*z2)/(4*s12*s134*z12) - (2*s14*s24*z2)/(s12^2*s124*z12) - 
   (s23*s24*z2)/(s12^2*s123*z12) - (s23*s24*z2)/(s12^2*s124*z12) - 
   (5*s24*z2)/(4*s12*s234*z12) + (s24*z2)/(s123*s234*z12) - 
   (4*s24*z2)/(s124*s234*z12) + (s13*s24*z2)/(s12*s123*s234*z12) - 
   (2*s13*s24*z2)/(s12*s124*s234*z12) - (4*s14*s24*z2)/(s12*s124*s234*z12) + 
   (s23*s24*z2)/(s12*s123*s234*z12) - (2*s23*s24*z2)/(s12*s124*s234*z12) - 
   (s24^2*z2)/(2*s12^2*s124*z12) - (2*s24^2*z2)/(s12*s124*s234*z12) - 
   (s13*s14*z2)/(s134*s34^2*z12) - (s13^2*s14*z2)/(s12*s134*s34^2*z12) - 
   (s13*s14^2*z2)/(s12*s134*s34^2*z12) - (s14*s23*z2)/(s12*s34^2*z12) - 
   (s13*s14*s23*z2)/(s12^2*s34^2*z12) - (s14*s23*z2)/(2*s134*s34^2*z12) - 
   (3*s13*s14*s23*z2)/(2*s12*s134*s34^2*z12) - 
   (s14^2*s23*z2)/(s12^2*s34^2*z12) - (s14^2*s23*z2)/(2*s12*s134*s34^2*z12) - 
   (s14*s23^2*z2)/(s12^2*s34^2*z12) - (s14*s23^2*z2)/(2*s12*s134*s34^2*z12) - 
   (s14*s23*z2)/(2*s234*s34^2*z12) - (s13*s14*s23*z2)/
    (2*s12*s234*s34^2*z12) - (s14^2*s23*z2)/(2*s12*s234*s34^2*z12) - 
   (s14*s23^2*z2)/(2*s12*s234*s34^2*z12) - (s13*s24*z2)/(s12*s34^2*z12) - 
   (s13^2*s24*z2)/(s12^2*s34^2*z12) - (s13*s24*z2)/(2*s134*s34^2*z12) - 
   (s13^2*s24*z2)/(2*s12*s134*s34^2*z12) - (s13*s14*s24*z2)/
    (s12^2*s34^2*z12) - (3*s13*s14*s24*z2)/(2*s12*s134*s34^2*z12) - 
   (2*s23*s24*z2)/(s12*s34^2*z12) - (3*s13*s23*s24*z2)/(s12^2*s34^2*z12) - 
   (s13*s23*s24*z2)/(2*s12*s134*s34^2*z12) - (3*s14*s23*s24*z2)/
    (s12^2*s34^2*z12) - (s14*s23*s24*z2)/(2*s12*s134*s34^2*z12) - 
   (2*s23^2*s24*z2)/(s12^2*s34^2*z12) - (s13*s24*z2)/(2*s234*s34^2*z12) - 
   (s13^2*s24*z2)/(2*s12*s234*s34^2*z12) - (s13*s14*s24*z2)/
    (2*s12*s234*s34^2*z12) - (s23*s24*z2)/(s234*s34^2*z12) - 
   (3*s13*s23*s24*z2)/(2*s12*s234*s34^2*z12) - 
   (3*s14*s23*s24*z2)/(2*s12*s234*s34^2*z12) - 
   (s23^2*s24*z2)/(s12*s234*s34^2*z12) - (s13*s24^2*z2)/(s12^2*s34^2*z12) - 
   (s13*s24^2*z2)/(2*s12*s134*s34^2*z12) - (2*s23*s24^2*z2)/
    (s12^2*s34^2*z12) - (s13*s24^2*z2)/(2*s12*s234*s34^2*z12) - 
   (s23*s24^2*z2)/(s12*s234*s34^2*z12) + z2/(s34*z12) - 
   (2*s13*z2)/(s12*s34*z12) - (3*s13^2*z2)/(s12^2*s34*z12) + 
   (s12*z2)/(2*s134*s34*z12) - (s13*z2)/(4*s134*s34*z12) - 
   (3*s13^2*z2)/(4*s12*s134*s34*z12) - (2*s14*z2)/(s12*s34*z12) - 
   (6*s13*s14*z2)/(s12^2*s34*z12) + (s13*s14*z2)/(2*s12*s123*s34*z12) + 
   (s13*s14*z2)/(2*s12*s124*s34*z12) + (s13^2*s14*z2)/
    (2*s12^2*s123*s34*z12) + (s13^2*s14*z2)/(2*s12^2*s124*s34*z12) - 
   (s14*z2)/(4*s134*s34*z12) - (5*s13*s14*z2)/(2*s12*s134*s34*z12) - 
   (3*s14^2*z2)/(s12^2*s34*z12) + (s13*s14^2*z2)/(2*s12^2*s123*s34*z12) + 
   (s13*s14^2*z2)/(2*s12^2*s124*s34*z12) - 
   (3*s14^2*z2)/(4*s12*s134*s34*z12) - (4*s13*s23*z2)/(s12^2*s34*z12) + 
   (3*s23*z2)/(4*s134*s34*z12) - (s13*s23*z2)/(2*s12*s134*s34*z12) - 
   (5*s14*s23*z2)/(s12^2*s34*z12) + (s14*s23*z2)/(2*s12*s123*s34*z12) - 
   (s14*s23*z2)/(2*s12*s124*s34*z12) + (s13*s14*s23*z2)/
    (s12^2*s123*s34*z12) - (s14*s23*z2)/(s12*s134*s34*z12) + 
   (s14^2*s23*z2)/(2*s12^2*s123*s34*z12) - 
   (s14^2*s23*z2)/(2*s12^2*s124*s34*z12) - (s23^2*z2)/(s12^2*s34*z12) + 
   (s23^2*z2)/(4*s12*s134*s34*z12) + (s14*s23^2*z2)/(2*s12^2*s123*s34*z12) - 
   (s14*s23^2*z2)/(2*s12^2*s124*s34*z12) - (s12*z2)/(2*s234*s34*z12) - 
   (7*s13*z2)/(4*s234*s34*z12) - (5*s13^2*z2)/(4*s12*s234*s34*z12) - 
   (7*s14*z2)/(4*s234*s34*z12) - (5*s13*s14*z2)/(2*s12*s234*s34*z12) - 
   (5*s14^2*z2)/(4*s12*s234*s34*z12) - (7*s23*z2)/(4*s234*s34*z12) - 
   (5*s13*s23*z2)/(2*s12*s234*s34*z12) - (3*s14*s23*z2)/(s12*s234*s34*z12) - 
   (5*s23^2*z2)/(4*s12*s234*s34*z12) - (5*s13*s24*z2)/(s12^2*s34*z12) - 
   (s13*s24*z2)/(2*s12*s123*s34*z12) + (s13*s24*z2)/(2*s12*s124*s34*z12) - 
   (s13^2*s24*z2)/(2*s12^2*s123*s34*z12) + 
   (s13^2*s24*z2)/(2*s12^2*s124*s34*z12) + (3*s24*z2)/(4*s134*s34*z12) - 
   (s13*s24*z2)/(s12*s134*s34*z12) - (4*s14*s24*z2)/(s12^2*s34*z12) + 
   (s13*s14*s24*z2)/(s12^2*s124*s34*z12) - 
   (s14*s24*z2)/(2*s12*s134*s34*z12) - (4*s23*s24*z2)/(s12^2*s34*z12) - 
   (s23*s24*z2)/(2*s12*s123*s34*z12) - (s23*s24*z2)/(2*s12*s124*s34*z12) - 
   (s13*s23*s24*z2)/(s12^2*s123*s34*z12) + 
   (s23*s24*z2)/(2*s12*s134*s34*z12) - (s14*s23*s24*z2)/
    (s12^2*s124*s34*z12) - (s23^2*s24*z2)/(2*s12^2*s123*s34*z12) - 
   (s23^2*s24*z2)/(2*s12^2*s124*s34*z12) - (7*s24*z2)/(4*s234*s34*z12) - 
   (3*s13*s24*z2)/(s12*s234*s34*z12) - (5*s14*s24*z2)/(2*s12*s234*s34*z12) - 
   (7*s23*s24*z2)/(2*s12*s234*s34*z12) - (s24^2*z2)/(s12^2*s34*z12) - 
   (s13*s24^2*z2)/(2*s12^2*s123*s34*z12) + 
   (s13*s24^2*z2)/(2*s12^2*s124*s34*z12) + (s24^2*z2)/(4*s12*s134*s34*z12) - 
   (s23*s24^2*z2)/(2*s12^2*s123*s34*z12) - 
   (s23*s24^2*z2)/(2*s12^2*s124*s34*z12) - 
   (5*s24^2*z2)/(4*s12*s234*s34*z12) - (3*s13*s34*z2)/(2*s12^2*s123*z12) - 
   (3*s14*s34*z2)/(2*s12^2*s124*z12) - (s23*s34*z2)/(2*s12^2*s123*z12) + 
   (s34*z2)/(s123*s234*z12) - (2*s34*z2)/(s124*s234*z12) + 
   (s13*s34*z2)/(s12*s123*s234*z12) - (2*s14*s34*z2)/(s12*s124*s234*z12) + 
   (s23*s34*z2)/(s12*s123*s234*z12) - (s24*s34*z2)/(2*s12^2*s124*z12) - 
   (2*s24*s34*z2)/(s12*s124*s234*z12) + (2*z3)/(s12*z12) + z3/(s123*z12) + 
   (s13*z3)/(s12*s123*z12) + z3/(2*s134*z12) + (s14*z3)/(s12*s123*z12) - 
   (s14*z3)/(s12*s124*z12) + (s23*z3)/(s12*s123*z12) + z3/(2*s234*z12) + 
   (s24*z3)/(s12*s123*z12) - (s24*z3)/(s12*s124*z12) - (s14*z3)/(s34^2*z12) - 
   (s13*s14*z3)/(s12*s34^2*z12) - (s13*s14*z3)/(4*s134*s34^2*z12) - 
   (s13^2*s14*z3)/(4*s12*s134*s34^2*z12) - (s14^2*z3)/(s12*s34^2*z12) + 
   (s14^2*z3)/(4*s134*s34^2*z12) + (s14^3*z3)/(4*s12*s134*s34^2*z12) - 
   (s14*s23*z3)/(s12*s34^2*z12) - (s14*s23*z3)/(4*s134*s34^2*z12) - 
   (s13*s14*s23*z3)/(2*s12*s134*s34^2*z12) - 
   (s14*s23^2*z3)/(4*s12*s134*s34^2*z12) + (s13*s14*z3)/(4*s234*s34^2*z12) + 
   (s13^2*s14*z3)/(4*s12*s234*s34^2*z12) - (s14^2*z3)/(4*s234*s34^2*z12) - 
   (s14^3*z3)/(4*s12*s234*s34^2*z12) + (s14*s23*z3)/(4*s234*s34^2*z12) + 
   (s13*s14*s23*z3)/(2*s12*s234*s34^2*z12) + 
   (s14*s23^2*z3)/(4*s12*s234*s34^2*z12) - (s24*z3)/(s34^2*z12) - 
   (s13*s24*z3)/(s12*s34^2*z12) + (s13*s24*z3)/(4*s134*s34^2*z12) + 
   (s13^2*s24*z3)/(4*s12*s134*s34^2*z12) - (2*s14*s24*z3)/(s12*s34^2*z12) + 
   (s14^2*s24*z3)/(4*s12*s134*s34^2*z12) - (s23*s24*z3)/(s12*s34^2*z12) + 
   (s23*s24*z3)/(4*s134*s34^2*z12) + (s13*s23*s24*z3)/
    (2*s12*s134*s34^2*z12) + (s23^2*s24*z3)/(4*s12*s134*s34^2*z12) - 
   (s13*s24*z3)/(4*s234*s34^2*z12) - (s13^2*s24*z3)/(4*s12*s234*s34^2*z12) - 
   (s14^2*s24*z3)/(4*s12*s234*s34^2*z12) - (s23*s24*z3)/(4*s234*s34^2*z12) - 
   (s13*s23*s24*z3)/(2*s12*s234*s34^2*z12) - 
   (s23^2*s24*z3)/(4*s12*s234*s34^2*z12) - (s24^2*z3)/(s12*s34^2*z12) - 
   (s24^2*z3)/(4*s134*s34^2*z12) - (s14*s24^2*z3)/(4*s12*s134*s34^2*z12) + 
   (s24^2*z3)/(4*s234*s34^2*z12) + (s14*s24^2*z3)/(4*s12*s234*s34^2*z12) - 
   (s24^3*z3)/(4*s12*s134*s34^2*z12) + (s24^3*z3)/(4*s12*s234*s34^2*z12) + 
   (2*z3)/(s34*z12) + (2*s13*z3)/(s12*s34*z12) + (s12*z3)/(2*s134*s34*z12) + 
   (s13*z3)/(2*s134*s34*z12) + (s14*z3)/(s12*s34*z12) - 
   (s14*z3)/(s124*s34*z12) - (s13*s14*z3)/(s12*s124*s34*z12) + 
   (s14*z3)/(2*s134*s34*z12) - (s13*s14*z3)/(4*s12*s134*s34*z12) - 
   (s14^2*z3)/(s12*s124*s34*z12) + (s14^2*z3)/(4*s12*s134*s34*z12) + 
   (2*s23*z3)/(s12*s34*z12) + (s23*z3)/(2*s134*s34*z12) - 
   (s14*s23*z3)/(s12*s124*s34*z12) - (s14*s23*z3)/(4*s12*s134*s34*z12) + 
   (s12*z3)/(2*s234*s34*z12) + (s13*z3)/(2*s234*s34*z12) + 
   (s14*z3)/(2*s234*s34*z12) + (s13*s14*z3)/(4*s12*s234*s34*z12) - 
   (s14^2*z3)/(4*s12*s234*s34*z12) + (s23*z3)/(2*s234*s34*z12) + 
   (s14*s23*z3)/(4*s12*s234*s34*z12) + (s24*z3)/(s12*s34*z12) - 
   (s24*z3)/(s124*s34*z12) - (s13*s24*z3)/(s12*s124*s34*z12) + 
   (s24*z3)/(2*s134*s34*z12) + (s13*s24*z3)/(4*s12*s134*s34*z12) - 
   (2*s14*s24*z3)/(s12*s124*s34*z12) - (s23*s24*z3)/(s12*s124*s34*z12) + 
   (s23*s24*z3)/(4*s12*s134*s34*z12) + (s24*z3)/(2*s234*s34*z12) - 
   (s13*s24*z3)/(4*s12*s234*s34*z12) - (s23*s24*z3)/(4*s12*s234*s34*z12) - 
   (s24^2*z3)/(s12*s124*s34*z12) - (s24^2*z3)/(4*s12*s134*s34*z12) + 
   (s24^2*z3)/(4*s12*s234*s34*z12) + (s34*z3)/(s12*s123*z12) + 
   (3*z1)/(s12*z34) + (5*s13*z1)/(s12^2*z34) + (s13*z1)/(4*s12*s123*z34) + 
   (s13*z1)/(4*s12*s124*z34) + (s13^2*z1)/(4*s12^2*s123*z34) + 
   (s13^2*z1)/(4*s12^2*s124*z34) + (3*z1)/(s134*z34) + 
   (6*s13*z1)/(s12*s134*z34) + (s13*z1)/(s123*s134*z34) - 
   (s13*z1)/(2*s124*s134*z34) + (s13^2*z1)/(s12*s123*s134*z34) - 
   (s13^2*z1)/(2*s12*s124*s134*z34) + (5*s14*z1)/(s12^2*z34) + 
   (s14*z1)/(4*s12*s123*z34) + (s14*z1)/(4*s12*s124*z34) + 
   (s13*s14*z1)/(2*s12^2*s123*z34) + (s13*s14*z1)/(2*s12^2*s124*z34) + 
   (6*s14*z1)/(s12*s134*z34) + (s14*z1)/(s123*s134*z34) - 
   (s14*z1)/(2*s124*s134*z34) + (2*s13*s14*z1)/(s12*s123*s134*z34) - 
   (s13*s14*z1)/(s12*s124*s134*z34) + (s14^2*z1)/(4*s12^2*s123*z34) + 
   (s14^2*z1)/(4*s12^2*s124*z34) + (s14^2*z1)/(s12*s123*s134*z34) - 
   (s14^2*z1)/(2*s12*s124*s134*z34) + (6*s23*z1)/(s12^2*z34) + 
   (3*s23*z1)/(4*s12*s123*z34) + (3*s23*z1)/(4*s12*s124*z34) + 
   (s13*s23*z1)/(s12^2*s123*z34) + (s13*s23*z1)/(s12^2*s124*z34) + 
   (9*s23*z1)/(2*s12*s134*z34) + (s13*s23*z1)/(s12*s123*s134*z34) - 
   (s13*s23*z1)/(2*s12*s124*s134*z34) + (s14*s23*z1)/(s12^2*s123*z34) + 
   (s14*s23*z1)/(s12^2*s124*z34) + (s14*s23*z1)/(s12*s123*s134*z34) - 
   (s14*s23*z1)/(2*s12*s124*s134*z34) + (3*s23^2*z1)/(4*s12^2*s123*z34) + 
   (3*s23^2*z1)/(4*s12^2*s124*z34) + (2*z1)/(s234*z34) + 
   (2*s13*z1)/(s12*s234*z34) + (2*s12*z1)/(s134*s234*z34) + 
   (2*s13*z1)/(s134*s234*z34) + (2*s14*z1)/(s12*s234*z34) + 
   (2*s14*z1)/(s134*s234*z34) + (7*s23*z1)/(2*s12*s234*z34) - 
   (s23*z1)/(2*s123*s234*z34) + (s23*z1)/(s124*s234*z34) - 
   (s13*s23*z1)/(2*s12*s123*s234*z34) + (s13*s23*z1)/(s12*s124*s234*z34) + 
   (4*s23*z1)/(s134*s234*z34) - (s14*s23*z1)/(2*s12*s123*s234*z34) + 
   (s14*s23*z1)/(s12*s124*s234*z34) - (s23^2*z1)/(2*s12*s123*s234*z34) + 
   (s23^2*z1)/(s12*s124*s234*z34) + (6*s24*z1)/(s12^2*z34) + 
   (3*s24*z1)/(4*s12*s123*z34) + (3*s24*z1)/(4*s12*s124*z34) + 
   (s13*s24*z1)/(s12^2*s123*z34) + (s13*s24*z1)/(s12^2*s124*z34) + 
   (9*s24*z1)/(2*s12*s134*z34) + (s13*s24*z1)/(s12*s123*s134*z34) - 
   (s13*s24*z1)/(2*s12*s124*s134*z34) + (s14*s24*z1)/(s12^2*s123*z34) + 
   (s14*s24*z1)/(s12^2*s124*z34) + (s14*s24*z1)/(s12*s123*s134*z34) - 
   (s14*s24*z1)/(2*s12*s124*s134*z34) + (3*s23*s24*z1)/(2*s12^2*s123*z34) + 
   (3*s23*s24*z1)/(2*s12^2*s124*z34) + (7*s24*z1)/(2*s12*s234*z34) - 
   (s24*z1)/(2*s123*s234*z34) + (s24*z1)/(s124*s234*z34) - 
   (s13*s24*z1)/(2*s12*s123*s234*z34) + (s13*s24*z1)/(s12*s124*s234*z34) + 
   (4*s24*z1)/(s134*s234*z34) - (s14*s24*z1)/(2*s12*s123*s234*z34) + 
   (s14*s24*z1)/(s12*s124*s234*z34) - (s23*s24*z1)/(s12*s123*s234*z34) + 
   (2*s23*s24*z1)/(s12*s124*s234*z34) + (3*s24^2*z1)/(4*s12^2*s123*z34) + 
   (3*s24^2*z1)/(4*s12^2*s124*z34) - (s24^2*z1)/(2*s12*s123*s234*z34) + 
   (s24^2*z1)/(s12*s124*s234*z34) + (2*s13*z1)/(s12*s34*z34) + 
   (2*s13^2*z1)/(s12^2*s34*z34) + (3*s13*z1)/(s134*s34*z34) + 
   (3*s13^2*z1)/(s12*s134*s34*z34) + (2*s14*z1)/(s12*s34*z34) + 
   (4*s13*s14*z1)/(s12^2*s34*z34) + (3*s14*z1)/(s134*s34*z34) + 
   (6*s13*s14*z1)/(s12*s134*s34*z34) + (2*s14^2*z1)/(s12^2*s34*z34) + 
   (3*s14^2*z1)/(s12*s134*s34*z34) + (3*s23*z1)/(s12*s34*z34) + 
   (5*s13*s23*z1)/(s12^2*s34*z34) + (3*s23*z1)/(2*s134*s34*z34) + 
   (9*s13*s23*z1)/(2*s12*s134*s34*z34) + (5*s14*s23*z1)/(s12^2*s34*z34) + 
   (9*s14*s23*z1)/(2*s12*s134*s34*z34) + (3*s23^2*z1)/(s12^2*s34*z34) + 
   (3*s23^2*z1)/(2*s12*s134*s34*z34) + (3*s23*z1)/(2*s234*s34*z34) + 
   (3*s13*s23*z1)/(2*s12*s234*s34*z34) + (2*s12*s23*z1)/(s134*s234*s34*z34) + 
   (2*s13*s23*z1)/(s134*s234*s34*z34) + (3*s14*s23*z1)/(2*s12*s234*s34*z34) + 
   (2*s14*s23*z1)/(s134*s234*s34*z34) + (3*s23^2*z1)/(2*s12*s234*s34*z34) + 
   (2*s23^2*z1)/(s134*s234*s34*z34) + (3*s24*z1)/(s12*s34*z34) + 
   (5*s13*s24*z1)/(s12^2*s34*z34) + (3*s24*z1)/(2*s134*s34*z34) + 
   (9*s13*s24*z1)/(2*s12*s134*s34*z34) + (5*s14*s24*z1)/(s12^2*s34*z34) + 
   (9*s14*s24*z1)/(2*s12*s134*s34*z34) + (6*s23*s24*z1)/(s12^2*s34*z34) + 
   (3*s23*s24*z1)/(s12*s134*s34*z34) + (3*s24*z1)/(2*s234*s34*z34) + 
   (3*s13*s24*z1)/(2*s12*s234*s34*z34) + (2*s12*s24*z1)/(s134*s234*s34*z34) + 
   (2*s13*s24*z1)/(s134*s234*s34*z34) + (3*s14*s24*z1)/(2*s12*s234*s34*z34) + 
   (2*s14*s24*z1)/(s134*s234*s34*z34) + (3*s23*s24*z1)/(s12*s234*s34*z34) + 
   (4*s23*s24*z1)/(s134*s234*s34*z34) + (3*s24^2*z1)/(s12^2*s34*z34) + 
   (3*s24^2*z1)/(2*s12*s134*s34*z34) + (3*s24^2*z1)/(2*s12*s234*s34*z34) + 
   (2*s24^2*z1)/(s134*s234*s34*z34) + (3*s34*z1)/(s12^2*z34) + 
   (s34*z1)/(2*s12*s123*z34) + (s34*z1)/(2*s12*s124*z34) + 
   (3*s13*s34*z1)/(4*s12^2*s123*z34) + (3*s13*s34*z1)/(4*s12^2*s124*z34) + 
   (3*s34*z1)/(s12*s134*z34) + (s34*z1)/(s123*s134*z34) - 
   (s34*z1)/(2*s124*s134*z34) + (2*s13*s34*z1)/(s12*s123*s134*z34) - 
   (s13*s34*z1)/(s12*s124*s134*z34) + (3*s14*s34*z1)/(4*s12^2*s123*z34) + 
   (3*s14*s34*z1)/(4*s12^2*s124*z34) + (2*s14*s34*z1)/(s12*s123*s134*z34) - 
   (s14*s34*z1)/(s12*s124*s134*z34) + (5*s23*s34*z1)/(4*s12^2*s123*z34) + 
   (5*s23*s34*z1)/(4*s12^2*s124*z34) + (s23*s34*z1)/(s12*s123*s134*z34) - 
   (s23*s34*z1)/(2*s12*s124*s134*z34) + (2*s34*z1)/(s12*s234*z34) - 
   (s34*z1)/(2*s123*s234*z34) + (s34*z1)/(s124*s234*z34) - 
   (s13*s34*z1)/(2*s12*s123*s234*z34) + (s13*s34*z1)/(s12*s124*s234*z34) + 
   (2*s34*z1)/(s134*s234*z34) - (s14*s34*z1)/(2*s12*s123*s234*z34) + 
   (s14*s34*z1)/(s12*s124*s234*z34) - (s23*s34*z1)/(s12*s123*s234*z34) + 
   (2*s23*s34*z1)/(s12*s124*s234*z34) + (5*s24*s34*z1)/(4*s12^2*s123*z34) + 
   (5*s24*s34*z1)/(4*s12^2*s124*z34) + (s24*s34*z1)/(s12*s123*s134*z34) - 
   (s24*s34*z1)/(2*s12*s124*s134*z34) - (s24*s34*z1)/(s12*s123*s234*z34) + 
   (2*s24*s34*z1)/(s12*s124*s234*z34) + (s34^2*z1)/(2*s12^2*s123*z34) + 
   (s34^2*z1)/(2*s12^2*s124*z34) + (s34^2*z1)/(s12*s123*s134*z34) - 
   (s34^2*z1)/(2*s12*s124*s134*z34) - (s34^2*z1)/(2*s12*s123*s234*z34) + 
   (s34^2*z1)/(s12*s124*s234*z34) - (3*z1^2)/(s12*z12*z34) - 
   (5*s13*z1^2)/(s12^2*z12*z34) - (s13*z1^2)/(4*s12*s123*z12*z34) - 
   (s13*z1^2)/(4*s12*s124*z12*z34) - (s13^2*z1^2)/(4*s12^2*s123*z12*z34) - 
   (s13^2*z1^2)/(4*s12^2*s124*z12*z34) - (3*z1^2)/(2*s134*z12*z34) - 
   (5*s13*z1^2)/(2*s12*s134*z12*z34) - (5*s14*z1^2)/(s12^2*z12*z34) - 
   (s14*z1^2)/(4*s12*s123*z12*z34) - (s14*z1^2)/(4*s12*s124*z12*z34) - 
   (s13*s14*z1^2)/(2*s12^2*s123*z12*z34) - 
   (s13*s14*z1^2)/(2*s12^2*s124*z12*z34) - 
   (5*s14*z1^2)/(2*s12*s134*z12*z34) - (s14^2*z1^2)/(4*s12^2*s123*z12*z34) - 
   (s14^2*z1^2)/(4*s12^2*s124*z12*z34) - (4*s23*z1^2)/(s12^2*z12*z34) - 
   (s23*z1^2)/(4*s12*s123*z12*z34) - (s23*z1^2)/(4*s12*s124*z12*z34) - 
   (s13*s23*z1^2)/(2*s12^2*s123*z12*z34) - 
   (s13*s23*z1^2)/(2*s12^2*s124*z12*z34) - (2*s23*z1^2)/(s12*s134*z12*z34) - 
   (s14*s23*z1^2)/(2*s12^2*s123*z12*z34) - 
   (s14*s23*z1^2)/(2*s12^2*s124*z12*z34) - 
   (s23^2*z1^2)/(4*s12^2*s123*z12*z34) - 
   (s23^2*z1^2)/(4*s12^2*s124*z12*z34) - z1^2/(2*s234*z12*z34) - 
   (s13*z1^2)/(2*s12*s234*z12*z34) - (s14*z1^2)/(2*s12*s234*z12*z34) - 
   (s23*z1^2)/(s12*s234*z12*z34) - (4*s24*z1^2)/(s12^2*z12*z34) - 
   (s24*z1^2)/(4*s12*s123*z12*z34) - (s24*z1^2)/(4*s12*s124*z12*z34) - 
   (s13*s24*z1^2)/(2*s12^2*s123*z12*z34) - 
   (s13*s24*z1^2)/(2*s12^2*s124*z12*z34) - (2*s24*z1^2)/(s12*s134*z12*z34) - 
   (s14*s24*z1^2)/(2*s12^2*s123*z12*z34) - 
   (s14*s24*z1^2)/(2*s12^2*s124*z12*z34) - 
   (s23*s24*z1^2)/(2*s12^2*s123*z12*z34) - 
   (s23*s24*z1^2)/(2*s12^2*s124*z12*z34) - (s24*z1^2)/(s12*s234*z12*z34) - 
   (s24^2*z1^2)/(4*s12^2*s123*z12*z34) - 
   (s24^2*z1^2)/(4*s12^2*s124*z12*z34) - (2*s13*z1^2)/(s12*s34*z12*z34) - 
   (2*s13^2*z1^2)/(s12^2*s34*z12*z34) - (s13*z1^2)/(s134*s34*z12*z34) - 
   (s13^2*z1^2)/(s12*s134*s34*z12*z34) - (2*s14*z1^2)/(s12*s34*z12*z34) - 
   (4*s13*s14*z1^2)/(s12^2*s34*z12*z34) - (s14*z1^2)/(s134*s34*z12*z34) - 
   (2*s13*s14*z1^2)/(s12*s134*s34*z12*z34) - 
   (2*s14^2*z1^2)/(s12^2*s34*z12*z34) - (s14^2*z1^2)/(s12*s134*s34*z12*z34) - 
   (s23*z1^2)/(s12*s34*z12*z34) - (3*s13*s23*z1^2)/(s12^2*s34*z12*z34) - 
   (s23*z1^2)/(2*s134*s34*z12*z34) - (3*s13*s23*z1^2)/
    (2*s12*s134*s34*z12*z34) - (3*s14*s23*z1^2)/(s12^2*s34*z12*z34) - 
   (3*s14*s23*z1^2)/(2*s12*s134*s34*z12*z34) - 
   (s23^2*z1^2)/(s12^2*s34*z12*z34) - (s23^2*z1^2)/(2*s12*s134*s34*z12*z34) - 
   (s23*z1^2)/(2*s234*s34*z12*z34) - (s13*s23*z1^2)/
    (2*s12*s234*s34*z12*z34) - (s14*s23*z1^2)/(2*s12*s234*s34*z12*z34) - 
   (s23^2*z1^2)/(2*s12*s234*s34*z12*z34) - (s24*z1^2)/(s12*s34*z12*z34) - 
   (3*s13*s24*z1^2)/(s12^2*s34*z12*z34) - (s24*z1^2)/(2*s134*s34*z12*z34) - 
   (3*s13*s24*z1^2)/(2*s12*s134*s34*z12*z34) - 
   (3*s14*s24*z1^2)/(s12^2*s34*z12*z34) - (3*s14*s24*z1^2)/
    (2*s12*s134*s34*z12*z34) - (2*s23*s24*z1^2)/(s12^2*s34*z12*z34) - 
   (s23*s24*z1^2)/(s12*s134*s34*z12*z34) - (s24*z1^2)/(2*s234*s34*z12*z34) - 
   (s13*s24*z1^2)/(2*s12*s234*s34*z12*z34) - 
   (s14*s24*z1^2)/(2*s12*s234*s34*z12*z34) - 
   (s23*s24*z1^2)/(s12*s234*s34*z12*z34) - (s24^2*z1^2)/(s12^2*s34*z12*z34) - 
   (s24^2*z1^2)/(2*s12*s134*s34*z12*z34) - 
   (s24^2*z1^2)/(2*s12*s234*s34*z12*z34) - (3*s34*z1^2)/(s12^2*z12*z34) - 
   (s34*z1^2)/(2*s12*s123*z12*z34) - (s34*z1^2)/(2*s12*s124*z12*z34) - 
   (3*s13*s34*z1^2)/(4*s12^2*s123*z12*z34) - (3*s13*s34*z1^2)/
    (4*s12^2*s124*z12*z34) - (3*s34*z1^2)/(2*s12*s134*z12*z34) - 
   (3*s14*s34*z1^2)/(4*s12^2*s123*z12*z34) - (3*s14*s34*z1^2)/
    (4*s12^2*s124*z12*z34) - (3*s23*s34*z1^2)/(4*s12^2*s123*z12*z34) - 
   (3*s23*s34*z1^2)/(4*s12^2*s124*z12*z34) - 
   (s34*z1^2)/(2*s12*s234*z12*z34) - (3*s24*s34*z1^2)/
    (4*s12^2*s123*z12*z34) - (3*s24*s34*z1^2)/(4*s12^2*s124*z12*z34) - 
   (s34^2*z1^2)/(2*s12^2*s123*z12*z34) - 
   (s34^2*z1^2)/(2*s12^2*s124*z12*z34) + (3*z2)/(s12*z34) + 
   (6*s13*z2)/(s12^2*z34) + (3*s13*z2)/(4*s12*s123*z34) + 
   (3*s13*z2)/(4*s12*s124*z34) + (3*s13^2*z2)/(4*s12^2*s123*z34) + 
   (3*s13^2*z2)/(4*s12^2*s124*z34) + (2*z2)/(s134*z34) + 
   (7*s13*z2)/(2*s12*s134*z34) + (s13*z2)/(s123*s134*z34) - 
   (s13*z2)/(2*s124*s134*z34) + (s13^2*z2)/(s12*s123*s134*z34) - 
   (s13^2*z2)/(2*s12*s124*s134*z34) + (6*s14*z2)/(s12^2*z34) + 
   (3*s14*z2)/(4*s12*s123*z34) + (3*s14*z2)/(4*s12*s124*z34) + 
   (3*s13*s14*z2)/(2*s12^2*s123*z34) + (3*s13*s14*z2)/(2*s12^2*s124*z34) + 
   (7*s14*z2)/(2*s12*s134*z34) + (s14*z2)/(s123*s134*z34) - 
   (s14*z2)/(2*s124*s134*z34) + (2*s13*s14*z2)/(s12*s123*s134*z34) - 
   (s13*s14*z2)/(s12*s124*s134*z34) + (3*s14^2*z2)/(4*s12^2*s123*z34) + 
   (3*s14^2*z2)/(4*s12^2*s124*z34) + (s14^2*z2)/(s12*s123*s134*z34) - 
   (s14^2*z2)/(2*s12*s124*s134*z34) + (5*s23*z2)/(s12^2*z34) + 
   (s23*z2)/(4*s12*s123*z34) + (s23*z2)/(4*s12*s124*z34) + 
   (s13*s23*z2)/(s12^2*s123*z34) + (s13*s23*z2)/(s12^2*s124*z34) + 
   (2*s23*z2)/(s12*s134*z34) + (s13*s23*z2)/(s12*s123*s134*z34) - 
   (s13*s23*z2)/(2*s12*s124*s134*z34) + (s14*s23*z2)/(s12^2*s123*z34) + 
   (s14*s23*z2)/(s12^2*s124*z34) + (s14*s23*z2)/(s12*s123*s134*z34) - 
   (s14*s23*z2)/(2*s12*s124*s134*z34) + (s23^2*z2)/(4*s12^2*s123*z34) + 
   (s23^2*z2)/(4*s12^2*s124*z34) + (3*z2)/(s234*z34) + 
   (9*s13*z2)/(2*s12*s234*z34) + (2*s12*z2)/(s134*s234*z34) + 
   (4*s13*z2)/(s134*s234*z34) + (9*s14*z2)/(2*s12*s234*z34) + 
   (4*s14*z2)/(s134*s234*z34) + (6*s23*z2)/(s12*s234*z34) - 
   (s23*z2)/(2*s123*s234*z34) + (s23*z2)/(s124*s234*z34) - 
   (s13*s23*z2)/(2*s12*s123*s234*z34) + (s13*s23*z2)/(s12*s124*s234*z34) + 
   (2*s23*z2)/(s134*s234*z34) - (s14*s23*z2)/(2*s12*s123*s234*z34) + 
   (s14*s23*z2)/(s12*s124*s234*z34) - (s23^2*z2)/(2*s12*s123*s234*z34) + 
   (s23^2*z2)/(s12*s124*s234*z34) + (5*s24*z2)/(s12^2*z34) + 
   (s24*z2)/(4*s12*s123*z34) + (s24*z2)/(4*s12*s124*z34) + 
   (s13*s24*z2)/(s12^2*s123*z34) + (s13*s24*z2)/(s12^2*s124*z34) + 
   (2*s24*z2)/(s12*s134*z34) + (s13*s24*z2)/(s12*s123*s134*z34) - 
   (s13*s24*z2)/(2*s12*s124*s134*z34) + (s14*s24*z2)/(s12^2*s123*z34) + 
   (s14*s24*z2)/(s12^2*s124*z34) + (s14*s24*z2)/(s12*s123*s134*z34) - 
   (s14*s24*z2)/(2*s12*s124*s134*z34) + (s23*s24*z2)/(2*s12^2*s123*z34) + 
   (s23*s24*z2)/(2*s12^2*s124*z34) + (6*s24*z2)/(s12*s234*z34) - 
   (s24*z2)/(2*s123*s234*z34) + (s24*z2)/(s124*s234*z34) - 
   (s13*s24*z2)/(2*s12*s123*s234*z34) + (s13*s24*z2)/(s12*s124*s234*z34) + 
   (2*s24*z2)/(s134*s234*z34) - (s14*s24*z2)/(2*s12*s123*s234*z34) + 
   (s14*s24*z2)/(s12*s124*s234*z34) - (s23*s24*z2)/(s12*s123*s234*z34) + 
   (2*s23*s24*z2)/(s12*s124*s234*z34) + (s24^2*z2)/(4*s12^2*s123*z34) + 
   (s24^2*z2)/(4*s12^2*s124*z34) - (s24^2*z2)/(2*s12*s123*s234*z34) + 
   (s24^2*z2)/(s12*s124*s234*z34) + (3*s13*z2)/(s12*s34*z34) + 
   (3*s13^2*z2)/(s12^2*s34*z34) + (3*s13*z2)/(2*s134*s34*z34) + 
   (3*s13^2*z2)/(2*s12*s134*s34*z34) + (3*s14*z2)/(s12*s34*z34) + 
   (6*s13*s14*z2)/(s12^2*s34*z34) + (3*s14*z2)/(2*s134*s34*z34) + 
   (3*s13*s14*z2)/(s12*s134*s34*z34) + (3*s14^2*z2)/(s12^2*s34*z34) + 
   (3*s14^2*z2)/(2*s12*s134*s34*z34) + (2*s23*z2)/(s12*s34*z34) + 
   (5*s13*s23*z2)/(s12^2*s34*z34) + (3*s13*s23*z2)/(2*s12*s134*s34*z34) + 
   (5*s14*s23*z2)/(s12^2*s34*z34) + (3*s14*s23*z2)/(2*s12*s134*s34*z34) + 
   (2*s23^2*z2)/(s12^2*s34*z34) + (3*s13*z2)/(2*s234*s34*z34) + 
   (3*s13^2*z2)/(2*s12*s234*s34*z34) + (2*s12*s13*z2)/(s134*s234*s34*z34) + 
   (2*s13^2*z2)/(s134*s234*s34*z34) + (3*s14*z2)/(2*s234*s34*z34) + 
   (3*s13*s14*z2)/(s12*s234*s34*z34) + (2*s12*s14*z2)/(s134*s234*s34*z34) + 
   (4*s13*s14*z2)/(s134*s234*s34*z34) + (3*s14^2*z2)/(2*s12*s234*s34*z34) + 
   (2*s14^2*z2)/(s134*s234*s34*z34) + (3*s23*z2)/(s234*s34*z34) + 
   (9*s13*s23*z2)/(2*s12*s234*s34*z34) + (2*s13*s23*z2)/(s134*s234*s34*z34) + 
   (9*s14*s23*z2)/(2*s12*s234*s34*z34) + (2*s14*s23*z2)/(s134*s234*s34*z34) + 
   (3*s23^2*z2)/(s12*s234*s34*z34) + (2*s24*z2)/(s12*s34*z34) + 
   (5*s13*s24*z2)/(s12^2*s34*z34) + (3*s13*s24*z2)/(2*s12*s134*s34*z34) + 
   (5*s14*s24*z2)/(s12^2*s34*z34) + (3*s14*s24*z2)/(2*s12*s134*s34*z34) + 
   (4*s23*s24*z2)/(s12^2*s34*z34) + (3*s24*z2)/(s234*s34*z34) + 
   (9*s13*s24*z2)/(2*s12*s234*s34*z34) + (2*s13*s24*z2)/(s134*s234*s34*z34) + 
   (9*s14*s24*z2)/(2*s12*s234*s34*z34) + (2*s14*s24*z2)/(s134*s234*s34*z34) + 
   (6*s23*s24*z2)/(s12*s234*s34*z34) + (2*s24^2*z2)/(s12^2*s34*z34) + 
   (3*s24^2*z2)/(s12*s234*s34*z34) + (3*s34*z2)/(s12^2*z34) + 
   (s34*z2)/(2*s12*s123*z34) + (s34*z2)/(2*s12*s124*z34) + 
   (5*s13*s34*z2)/(4*s12^2*s123*z34) + (5*s13*s34*z2)/(4*s12^2*s124*z34) + 
   (2*s34*z2)/(s12*s134*z34) + (s34*z2)/(s123*s134*z34) - 
   (s34*z2)/(2*s124*s134*z34) + (2*s13*s34*z2)/(s12*s123*s134*z34) - 
   (s13*s34*z2)/(s12*s124*s134*z34) + (5*s14*s34*z2)/(4*s12^2*s123*z34) + 
   (5*s14*s34*z2)/(4*s12^2*s124*z34) + (2*s14*s34*z2)/(s12*s123*s134*z34) - 
   (s14*s34*z2)/(s12*s124*s134*z34) + (3*s23*s34*z2)/(4*s12^2*s123*z34) + 
   (3*s23*s34*z2)/(4*s12^2*s124*z34) + (s23*s34*z2)/(s12*s123*s134*z34) - 
   (s23*s34*z2)/(2*s12*s124*s134*z34) + (3*s34*z2)/(s12*s234*z34) - 
   (s34*z2)/(2*s123*s234*z34) + (s34*z2)/(s124*s234*z34) - 
   (s13*s34*z2)/(2*s12*s123*s234*z34) + (s13*s34*z2)/(s12*s124*s234*z34) + 
   (2*s34*z2)/(s134*s234*z34) - (s14*s34*z2)/(2*s12*s123*s234*z34) + 
   (s14*s34*z2)/(s12*s124*s234*z34) - (s23*s34*z2)/(s12*s123*s234*z34) + 
   (2*s23*s34*z2)/(s12*s124*s234*z34) + (3*s24*s34*z2)/(4*s12^2*s123*z34) + 
   (3*s24*s34*z2)/(4*s12^2*s124*z34) + (s24*s34*z2)/(s12*s123*s134*z34) - 
   (s24*s34*z2)/(2*s12*s124*s134*z34) - (s24*s34*z2)/(s12*s123*s234*z34) + 
   (2*s24*s34*z2)/(s12*s124*s234*z34) + (s34^2*z2)/(2*s12^2*s123*z34) + 
   (s34^2*z2)/(2*s12^2*s124*z34) + (s34^2*z2)/(s12*s123*s134*z34) - 
   (s34^2*z2)/(2*s12*s124*s134*z34) - (s34^2*z2)/(2*s12*s123*s234*z34) + 
   (s34^2*z2)/(s12*s124*s234*z34) + (4*z1^2*z2)/(s12*z12^2*z34) + 
   (6*s13*z1^2*z2)/(s12^2*z12^2*z34) + (6*s14*z1^2*z2)/(s12^2*z12^2*z34) + 
   (6*s23*z1^2*z2)/(s12^2*z12^2*z34) + (6*s24*z1^2*z2)/(s12^2*z12^2*z34) + 
   (2*s13*z1^2*z2)/(s12*s34*z12^2*z34) + (2*s13^2*z1^2*z2)/
    (s12^2*s34*z12^2*z34) + (2*s14*z1^2*z2)/(s12*s34*z12^2*z34) + 
   (4*s13*s14*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (2*s14^2*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (2*s23*z1^2*z2)/(s12*s34*z12^2*z34) + (4*s13*s23*z1^2*z2)/
    (s12^2*s34*z12^2*z34) + (4*s14*s23*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (2*s23^2*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (2*s24*z1^2*z2)/(s12*s34*z12^2*z34) + (4*s13*s24*z1^2*z2)/
    (s12^2*s34*z12^2*z34) + (4*s14*s24*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (4*s23*s24*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (2*s24^2*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (4*s34*z1^2*z2)/(s12^2*z12^2*z34) - (2*z1*z2)/(s12*z12*z34) - 
   (3*s13*z1*z2)/(s12^2*z12*z34) + (s13*z1*z2)/(2*s12*s123*z12*z34) + 
   (s13*z1*z2)/(2*s12*s124*z12*z34) + (s13^2*z1*z2)/(2*s12^2*s123*z12*z34) + 
   (s13^2*z1*z2)/(2*s12^2*s124*z12*z34) - (2*z1*z2)/(s134*z12*z34) - 
   (7*s13*z1*z2)/(2*s12*s134*z12*z34) - (3*s14*z1*z2)/(s12^2*z12*z34) + 
   (s14*z1*z2)/(2*s12*s123*z12*z34) + (s14*z1*z2)/(2*s12*s124*z12*z34) + 
   (s13*s14*z1*z2)/(s12^2*s123*z12*z34) + (s13*s14*z1*z2)/
    (s12^2*s124*z12*z34) - (7*s14*z1*z2)/(2*s12*s134*z12*z34) + 
   (s14^2*z1*z2)/(2*s12^2*s123*z12*z34) + 
   (s14^2*z1*z2)/(2*s12^2*s124*z12*z34) - (3*s23*z1*z2)/(s12^2*z12*z34) + 
   (s23*z1*z2)/(2*s12*s123*z12*z34) + (s23*z1*z2)/(2*s12*s124*z12*z34) + 
   (s13*s23*z1*z2)/(s12^2*s123*z12*z34) + (s13*s23*z1*z2)/
    (s12^2*s124*z12*z34) - (5*s23*z1*z2)/(2*s12*s134*z12*z34) + 
   (s14*s23*z1*z2)/(s12^2*s123*z12*z34) + (s14*s23*z1*z2)/
    (s12^2*s124*z12*z34) + (s23^2*z1*z2)/(2*s12^2*s123*z12*z34) + 
   (s23^2*z1*z2)/(2*s12^2*s124*z12*z34) - (2*z1*z2)/(s234*z12*z34) - 
   (5*s13*z1*z2)/(2*s12*s234*z12*z34) - (5*s14*z1*z2)/(2*s12*s234*z12*z34) - 
   (7*s23*z1*z2)/(2*s12*s234*z12*z34) - (3*s24*z1*z2)/(s12^2*z12*z34) + 
   (s24*z1*z2)/(2*s12*s123*z12*z34) + (s24*z1*z2)/(2*s12*s124*z12*z34) + 
   (s13*s24*z1*z2)/(s12^2*s123*z12*z34) + (s13*s24*z1*z2)/
    (s12^2*s124*z12*z34) - (5*s24*z1*z2)/(2*s12*s134*z12*z34) + 
   (s14*s24*z1*z2)/(s12^2*s123*z12*z34) + (s14*s24*z1*z2)/
    (s12^2*s124*z12*z34) + (s23*s24*z1*z2)/(s12^2*s123*z12*z34) + 
   (s23*s24*z1*z2)/(s12^2*s124*z12*z34) - 
   (7*s24*z1*z2)/(2*s12*s234*z12*z34) + (s24^2*z1*z2)/
    (2*s12^2*s123*z12*z34) + (s24^2*z1*z2)/(2*s12^2*s124*z12*z34) - 
   (s13*z1*z2)/(s12*s34*z12*z34) - (s13^2*z1*z2)/(s12^2*s34*z12*z34) - 
   (3*s13*z1*z2)/(2*s134*s34*z12*z34) - (3*s13^2*z1*z2)/
    (2*s12*s134*s34*z12*z34) - (s14*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s14*z1*z2)/(s12^2*s34*z12*z34) - 
   (3*s14*z1*z2)/(2*s134*s34*z12*z34) - (3*s13*s14*z1*z2)/
    (s12*s134*s34*z12*z34) - (s14^2*z1*z2)/(s12^2*s34*z12*z34) - 
   (3*s14^2*z1*z2)/(2*s12*s134*s34*z12*z34) - (s23*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s23*z1*z2)/(s12^2*s34*z12*z34) - (s23*z1*z2)/(2*s134*s34*z12*z34) - 
   (2*s13*s23*z1*z2)/(s12*s134*s34*z12*z34) - 
   (2*s14*s23*z1*z2)/(s12^2*s34*z12*z34) - (2*s14*s23*z1*z2)/
    (s12*s134*s34*z12*z34) - (s23^2*z1*z2)/(s12^2*s34*z12*z34) - 
   (s23^2*z1*z2)/(2*s12*s134*s34*z12*z34) - 
   (s13*z1*z2)/(2*s234*s34*z12*z34) - (s13^2*z1*z2)/
    (2*s12*s234*s34*z12*z34) - (s14*z1*z2)/(2*s234*s34*z12*z34) - 
   (s13*s14*z1*z2)/(s12*s234*s34*z12*z34) - 
   (s14^2*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (3*s23*z1*z2)/(2*s234*s34*z12*z34) - (2*s13*s23*z1*z2)/
    (s12*s234*s34*z12*z34) - (2*s14*s23*z1*z2)/(s12*s234*s34*z12*z34) - 
   (3*s23^2*z1*z2)/(2*s12*s234*s34*z12*z34) - (s24*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s24*z1*z2)/(s12^2*s34*z12*z34) - (s24*z1*z2)/(2*s134*s34*z12*z34) - 
   (2*s13*s24*z1*z2)/(s12*s134*s34*z12*z34) - 
   (2*s14*s24*z1*z2)/(s12^2*s34*z12*z34) - (2*s14*s24*z1*z2)/
    (s12*s134*s34*z12*z34) - (2*s23*s24*z1*z2)/(s12^2*s34*z12*z34) - 
   (s23*s24*z1*z2)/(s12*s134*s34*z12*z34) - 
   (3*s24*z1*z2)/(2*s234*s34*z12*z34) - (2*s13*s24*z1*z2)/
    (s12*s234*s34*z12*z34) - (2*s14*s24*z1*z2)/(s12*s234*s34*z12*z34) - 
   (3*s23*s24*z1*z2)/(s12*s234*s34*z12*z34) - 
   (s24^2*z1*z2)/(s12^2*s34*z12*z34) - (s24^2*z1*z2)/
    (2*s12*s134*s34*z12*z34) - (3*s24^2*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (2*s34*z1*z2)/(s12^2*z12*z34) + (s34*z1*z2)/(s12*s123*z12*z34) + 
   (s34*z1*z2)/(s12*s124*z12*z34) + (3*s13*s34*z1*z2)/
    (2*s12^2*s123*z12*z34) + (3*s13*s34*z1*z2)/(2*s12^2*s124*z12*z34) - 
   (2*s34*z1*z2)/(s12*s134*z12*z34) + (3*s14*s34*z1*z2)/
    (2*s12^2*s123*z12*z34) + (3*s14*s34*z1*z2)/(2*s12^2*s124*z12*z34) + 
   (3*s23*s34*z1*z2)/(2*s12^2*s123*z12*z34) + 
   (3*s23*s34*z1*z2)/(2*s12^2*s124*z12*z34) - 
   (2*s34*z1*z2)/(s12*s234*z12*z34) + (3*s24*s34*z1*z2)/
    (2*s12^2*s123*z12*z34) + (3*s24*s34*z1*z2)/(2*s12^2*s124*z12*z34) + 
   (s34^2*z1*z2)/(s12^2*s123*z12*z34) + (s34^2*z1*z2)/(s12^2*s124*z12*z34) + 
   (4*z1*z2^2)/(s12*z12^2*z34) + (6*s13*z1*z2^2)/(s12^2*z12^2*z34) + 
   (6*s14*z1*z2^2)/(s12^2*z12^2*z34) + (6*s23*z1*z2^2)/(s12^2*z12^2*z34) + 
   (6*s24*z1*z2^2)/(s12^2*z12^2*z34) + (2*s13*z1*z2^2)/(s12*s34*z12^2*z34) + 
   (2*s13^2*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (2*s14*z1*z2^2)/(s12*s34*z12^2*z34) + (4*s13*s14*z1*z2^2)/
    (s12^2*s34*z12^2*z34) + (2*s14^2*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (2*s23*z1*z2^2)/(s12*s34*z12^2*z34) + (4*s13*s23*z1*z2^2)/
    (s12^2*s34*z12^2*z34) + (4*s14*s23*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (2*s23^2*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (2*s24*z1*z2^2)/(s12*s34*z12^2*z34) + (4*s13*s24*z1*z2^2)/
    (s12^2*s34*z12^2*z34) + (4*s14*s24*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (4*s23*s24*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (2*s24^2*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (4*s34*z1*z2^2)/(s12^2*z12^2*z34) - (3*z2^2)/(s12*z12*z34) - 
   (4*s13*z2^2)/(s12^2*z12*z34) - (s13*z2^2)/(4*s12*s123*z12*z34) - 
   (s13*z2^2)/(4*s12*s124*z12*z34) - (s13^2*z2^2)/(4*s12^2*s123*z12*z34) - 
   (s13^2*z2^2)/(4*s12^2*s124*z12*z34) - z2^2/(2*s134*z12*z34) - 
   (s13*z2^2)/(s12*s134*z12*z34) - (4*s14*z2^2)/(s12^2*z12*z34) - 
   (s14*z2^2)/(4*s12*s123*z12*z34) - (s14*z2^2)/(4*s12*s124*z12*z34) - 
   (s13*s14*z2^2)/(2*s12^2*s123*z12*z34) - 
   (s13*s14*z2^2)/(2*s12^2*s124*z12*z34) - (s14*z2^2)/(s12*s134*z12*z34) - 
   (s14^2*z2^2)/(4*s12^2*s123*z12*z34) - 
   (s14^2*z2^2)/(4*s12^2*s124*z12*z34) - (5*s23*z2^2)/(s12^2*z12*z34) - 
   (s23*z2^2)/(4*s12*s123*z12*z34) - (s23*z2^2)/(4*s12*s124*z12*z34) - 
   (s13*s23*z2^2)/(2*s12^2*s123*z12*z34) - 
   (s13*s23*z2^2)/(2*s12^2*s124*z12*z34) - (s23*z2^2)/(2*s12*s134*z12*z34) - 
   (s14*s23*z2^2)/(2*s12^2*s123*z12*z34) - 
   (s14*s23*z2^2)/(2*s12^2*s124*z12*z34) - 
   (s23^2*z2^2)/(4*s12^2*s123*z12*z34) - 
   (s23^2*z2^2)/(4*s12^2*s124*z12*z34) - (3*z2^2)/(2*s234*z12*z34) - 
   (2*s13*z2^2)/(s12*s234*z12*z34) - (2*s14*z2^2)/(s12*s234*z12*z34) - 
   (5*s23*z2^2)/(2*s12*s234*z12*z34) - (5*s24*z2^2)/(s12^2*z12*z34) - 
   (s24*z2^2)/(4*s12*s123*z12*z34) - (s24*z2^2)/(4*s12*s124*z12*z34) - 
   (s13*s24*z2^2)/(2*s12^2*s123*z12*z34) - 
   (s13*s24*z2^2)/(2*s12^2*s124*z12*z34) - (s24*z2^2)/(2*s12*s134*z12*z34) - 
   (s14*s24*z2^2)/(2*s12^2*s123*z12*z34) - 
   (s14*s24*z2^2)/(2*s12^2*s124*z12*z34) - 
   (s23*s24*z2^2)/(2*s12^2*s123*z12*z34) - 
   (s23*s24*z2^2)/(2*s12^2*s124*z12*z34) - 
   (5*s24*z2^2)/(2*s12*s234*z12*z34) - (s24^2*z2^2)/(4*s12^2*s123*z12*z34) - 
   (s24^2*z2^2)/(4*s12^2*s124*z12*z34) - (s13*z2^2)/(s12*s34*z12*z34) - 
   (s13^2*z2^2)/(s12^2*s34*z12*z34) - (s13*z2^2)/(2*s134*s34*z12*z34) - 
   (s13^2*z2^2)/(2*s12*s134*s34*z12*z34) - (s14*z2^2)/(s12*s34*z12*z34) - 
   (2*s13*s14*z2^2)/(s12^2*s34*z12*z34) - (s14*z2^2)/(2*s134*s34*z12*z34) - 
   (s13*s14*z2^2)/(s12*s134*s34*z12*z34) - (s14^2*z2^2)/(s12^2*s34*z12*z34) - 
   (s14^2*z2^2)/(2*s12*s134*s34*z12*z34) - (2*s23*z2^2)/(s12*s34*z12*z34) - 
   (3*s13*s23*z2^2)/(s12^2*s34*z12*z34) - (s13*s23*z2^2)/
    (2*s12*s134*s34*z12*z34) - (3*s14*s23*z2^2)/(s12^2*s34*z12*z34) - 
   (s14*s23*z2^2)/(2*s12*s134*s34*z12*z34) - 
   (2*s23^2*z2^2)/(s12^2*s34*z12*z34) - (s13*z2^2)/(2*s234*s34*z12*z34) - 
   (s13^2*z2^2)/(2*s12*s234*s34*z12*z34) - (s14*z2^2)/(2*s234*s34*z12*z34) - 
   (s13*s14*z2^2)/(s12*s234*s34*z12*z34) - 
   (s14^2*z2^2)/(2*s12*s234*s34*z12*z34) - (s23*z2^2)/(s234*s34*z12*z34) - 
   (3*s13*s23*z2^2)/(2*s12*s234*s34*z12*z34) - 
   (3*s14*s23*z2^2)/(2*s12*s234*s34*z12*z34) - 
   (s23^2*z2^2)/(s12*s234*s34*z12*z34) - (2*s24*z2^2)/(s12*s34*z12*z34) - 
   (3*s13*s24*z2^2)/(s12^2*s34*z12*z34) - (s13*s24*z2^2)/
    (2*s12*s134*s34*z12*z34) - (3*s14*s24*z2^2)/(s12^2*s34*z12*z34) - 
   (s14*s24*z2^2)/(2*s12*s134*s34*z12*z34) - (4*s23*s24*z2^2)/
    (s12^2*s34*z12*z34) - (s24*z2^2)/(s234*s34*z12*z34) - 
   (3*s13*s24*z2^2)/(2*s12*s234*s34*z12*z34) - 
   (3*s14*s24*z2^2)/(2*s12*s234*s34*z12*z34) - 
   (2*s23*s24*z2^2)/(s12*s234*s34*z12*z34) - 
   (2*s24^2*z2^2)/(s12^2*s34*z12*z34) - (s24^2*z2^2)/(s12*s234*s34*z12*z34) - 
   (3*s34*z2^2)/(s12^2*z12*z34) - (s34*z2^2)/(2*s12*s123*z12*z34) - 
   (s34*z2^2)/(2*s12*s124*z12*z34) - (3*s13*s34*z2^2)/
    (4*s12^2*s123*z12*z34) - (3*s13*s34*z2^2)/(4*s12^2*s124*z12*z34) - 
   (s34*z2^2)/(2*s12*s134*z12*z34) - (3*s14*s34*z2^2)/
    (4*s12^2*s123*z12*z34) - (3*s14*s34*z2^2)/(4*s12^2*s124*z12*z34) - 
   (3*s23*s34*z2^2)/(4*s12^2*s123*z12*z34) - (3*s23*s34*z2^2)/
    (4*s12^2*s124*z12*z34) - (3*s34*z2^2)/(2*s12*s234*z12*z34) - 
   (3*s24*s34*z2^2)/(4*s12^2*s123*z12*z34) - (3*s24*s34*z2^2)/
    (4*s12^2*s124*z12*z34) - (s34^2*z2^2)/(2*s12^2*s123*z12*z34) - 
   (s34^2*z2^2)/(2*s12^2*s124*z12*z34) - (3*s14*z3)/(s12^2*z34) - 
   (s14*z3)/(2*s12*s123*z34) - (s14*z3)/(2*s12*s124*z34) - 
   (3*s13*s14*z3)/(4*s12^2*s123*z34) - (3*s13*s14*z3)/(4*s12^2*s124*z34) - 
   (3*s14*z3)/(s12*s134*z34) - (s14*z3)/(s123*s134*z34) + 
   (s14*z3)/(2*s124*s134*z34) - (2*s13*s14*z3)/(s12*s123*s134*z34) + 
   (s13*s14*z3)/(s12*s124*s134*z34) - (3*s14^2*z3)/(4*s12^2*s123*z34) - 
   (3*s14^2*z3)/(4*s12^2*s124*z34) - (2*s14^2*z3)/(s12*s123*s134*z34) + 
   (s14^2*z3)/(s12*s124*s134*z34) - (5*s14*s23*z3)/(4*s12^2*s123*z34) - 
   (5*s14*s23*z3)/(4*s12^2*s124*z34) - (s14*s23*z3)/(s12*s123*s134*z34) + 
   (s14*s23*z3)/(2*s12*s124*s134*z34) - (2*s14*z3)/(s12*s234*z34) + 
   (s14*z3)/(2*s123*s234*z34) - (s14*z3)/(s124*s234*z34) + 
   (s13*s14*z3)/(2*s12*s123*s234*z34) - (s13*s14*z3)/(s12*s124*s234*z34) - 
   (2*s14*z3)/(s134*s234*z34) + (s14^2*z3)/(2*s12*s123*s234*z34) - 
   (s14^2*z3)/(s12*s124*s234*z34) + (s14*s23*z3)/(s12*s123*s234*z34) - 
   (2*s14*s23*z3)/(s12*s124*s234*z34) - (3*s24*z3)/(s12^2*z34) - 
   (s24*z3)/(2*s12*s123*z34) - (s24*z3)/(2*s12*s124*z34) - 
   (5*s13*s24*z3)/(4*s12^2*s123*z34) - (5*s13*s24*z3)/(4*s12^2*s124*z34) - 
   (2*s24*z3)/(s12*s134*z34) - (s24*z3)/(s123*s134*z34) + 
   (s24*z3)/(2*s124*s134*z34) - (2*s13*s24*z3)/(s12*s123*s134*z34) + 
   (s13*s24*z3)/(s12*s124*s134*z34) - (5*s14*s24*z3)/(2*s12^2*s123*z34) - 
   (5*s14*s24*z3)/(2*s12^2*s124*z34) - (3*s14*s24*z3)/(s12*s123*s134*z34) + 
   (3*s14*s24*z3)/(2*s12*s124*s134*z34) - (3*s23*s24*z3)/(4*s12^2*s123*z34) - 
   (3*s23*s24*z3)/(4*s12^2*s124*z34) - (s23*s24*z3)/(s12*s123*s134*z34) + 
   (s23*s24*z3)/(2*s12*s124*s134*z34) - (3*s24*z3)/(s12*s234*z34) + 
   (s24*z3)/(2*s123*s234*z34) - (s24*z3)/(s124*s234*z34) + 
   (s13*s24*z3)/(2*s12*s123*s234*z34) - (s13*s24*z3)/(s12*s124*s234*z34) - 
   (2*s24*z3)/(s134*s234*z34) + (3*s14*s24*z3)/(2*s12*s123*s234*z34) - 
   (3*s14*s24*z3)/(s12*s124*s234*z34) + (s23*s24*z3)/(s12*s123*s234*z34) - 
   (2*s23*s24*z3)/(s12*s124*s234*z34) - (3*s24^2*z3)/(4*s12^2*s123*z34) - 
   (3*s24^2*z3)/(4*s12^2*s124*z34) - (s24^2*z3)/(s12*s123*s134*z34) + 
   (s24^2*z3)/(2*s12*s124*s134*z34) + (s24^2*z3)/(s12*s123*s234*z34) - 
   (2*s24^2*z3)/(s12*s124*s234*z34) - (2*s13*s14*z3)/(s12*s34^2*z34) - 
   (2*s13^2*s14*z3)/(s12^2*s34^2*z34) - (3*s13*s14*z3)/(s134*s34^2*z34) - 
   (3*s13^2*s14*z3)/(s12*s134*s34^2*z34) - (2*s14^2*z3)/(s12*s34^2*z34) - 
   (4*s13*s14^2*z3)/(s12^2*s34^2*z34) - (3*s14^2*z3)/(s134*s34^2*z34) - 
   (6*s13*s14^2*z3)/(s12*s134*s34^2*z34) - (2*s14^3*z3)/(s12^2*s34^2*z34) - 
   (3*s14^3*z3)/(s12*s134*s34^2*z34) - (3*s14*s23*z3)/(s12*s34^2*z34) - 
   (5*s13*s14*s23*z3)/(s12^2*s34^2*z34) - (3*s14*s23*z3)/(2*s134*s34^2*z34) - 
   (9*s13*s14*s23*z3)/(2*s12*s134*s34^2*z34) - 
   (5*s14^2*s23*z3)/(s12^2*s34^2*z34) - (9*s14^2*s23*z3)/
    (2*s12*s134*s34^2*z34) - (3*s14*s23^2*z3)/(s12^2*s34^2*z34) - 
   (3*s14*s23^2*z3)/(2*s12*s134*s34^2*z34) - 
   (3*s14*s23*z3)/(2*s234*s34^2*z34) - (3*s13*s14*s23*z3)/
    (2*s12*s234*s34^2*z34) - (2*s12*s14*s23*z3)/(s134*s234*s34^2*z34) - 
   (2*s13*s14*s23*z3)/(s134*s234*s34^2*z34) - 
   (3*s14^2*s23*z3)/(2*s12*s234*s34^2*z34) - (2*s14^2*s23*z3)/
    (s134*s234*s34^2*z34) - (3*s14*s23^2*z3)/(2*s12*s234*s34^2*z34) - 
   (2*s14*s23^2*z3)/(s134*s234*s34^2*z34) - (3*s13*s24*z3)/(s12*s34^2*z34) - 
   (3*s13^2*s24*z3)/(s12^2*s34^2*z34) - (3*s13*s24*z3)/(2*s134*s34^2*z34) - 
   (3*s13^2*s24*z3)/(2*s12*s134*s34^2*z34) - (6*s14*s24*z3)/(s12*s34^2*z34) - 
   (11*s13*s14*s24*z3)/(s12^2*s34^2*z34) - (3*s14*s24*z3)/(s134*s34^2*z34) - 
   (15*s13*s14*s24*z3)/(2*s12*s134*s34^2*z34) - 
   (8*s14^2*s24*z3)/(s12^2*s34^2*z34) - (6*s14^2*s24*z3)/
    (s12*s134*s34^2*z34) - (2*s23*s24*z3)/(s12*s34^2*z34) - 
   (5*s13*s23*s24*z3)/(s12^2*s34^2*z34) - (3*s13*s23*s24*z3)/
    (2*s12*s134*s34^2*z34) - (11*s14*s23*s24*z3)/(s12^2*s34^2*z34) - 
   (9*s14*s23*s24*z3)/(2*s12*s134*s34^2*z34) - 
   (2*s23^2*s24*z3)/(s12^2*s34^2*z34) - (3*s13*s24*z3)/(2*s234*s34^2*z34) - 
   (3*s13^2*s24*z3)/(2*s12*s234*s34^2*z34) - (2*s12*s13*s24*z3)/
    (s134*s234*s34^2*z34) - (2*s13^2*s24*z3)/(s134*s234*s34^2*z34) - 
   (3*s14*s24*z3)/(s234*s34^2*z34) - (9*s13*s14*s24*z3)/
    (2*s12*s234*s34^2*z34) - (4*s12*s14*s24*z3)/(s134*s234*s34^2*z34) - 
   (6*s13*s14*s24*z3)/(s134*s234*s34^2*z34) - 
   (3*s14^2*s24*z3)/(s12*s234*s34^2*z34) - (4*s14^2*s24*z3)/
    (s134*s234*s34^2*z34) - (3*s23*s24*z3)/(s234*s34^2*z34) - 
   (9*s13*s23*s24*z3)/(2*s12*s234*s34^2*z34) - 
   (2*s13*s23*s24*z3)/(s134*s234*s34^2*z34) - (15*s14*s23*s24*z3)/
    (2*s12*s234*s34^2*z34) - (6*s14*s23*s24*z3)/(s134*s234*s34^2*z34) - 
   (3*s23^2*s24*z3)/(s12*s234*s34^2*z34) - (2*s24^2*z3)/(s12*s34^2*z34) - 
   (5*s13*s24^2*z3)/(s12^2*s34^2*z34) - (3*s13*s24^2*z3)/
    (2*s12*s134*s34^2*z34) - (8*s14*s24^2*z3)/(s12^2*s34^2*z34) - 
   (3*s14*s24^2*z3)/(s12*s134*s34^2*z34) - (4*s23*s24^2*z3)/
    (s12^2*s34^2*z34) - (3*s24^2*z3)/(s234*s34^2*z34) - 
   (9*s13*s24^2*z3)/(2*s12*s234*s34^2*z34) - (2*s13*s24^2*z3)/
    (s134*s234*s34^2*z34) - (6*s14*s24^2*z3)/(s12*s234*s34^2*z34) - 
   (4*s14*s24^2*z3)/(s134*s234*s34^2*z34) - (6*s23*s24^2*z3)/
    (s12*s234*s34^2*z34) - (2*s24^3*z3)/(s12^2*s34^2*z34) - 
   (3*s24^3*z3)/(s12*s234*s34^2*z34) - (3*s14*z3)/(s12*s34*z34) - 
   (5*s13*s14*z3)/(s12^2*s34*z34) - (s13*s14*z3)/(4*s12*s123*s34*z34) - 
   (s13*s14*z3)/(4*s12*s124*s34*z34) - (s13^2*s14*z3)/
    (4*s12^2*s123*s34*z34) - (s13^2*s14*z3)/(4*s12^2*s124*s34*z34) - 
   (3*s14*z3)/(s134*s34*z34) - (6*s13*s14*z3)/(s12*s134*s34*z34) - 
   (s13*s14*z3)/(s123*s134*s34*z34) + (s13*s14*z3)/(2*s124*s134*s34*z34) - 
   (s13^2*s14*z3)/(s12*s123*s134*s34*z34) + 
   (s13^2*s14*z3)/(2*s12*s124*s134*s34*z34) - (5*s14^2*z3)/(s12^2*s34*z34) - 
   (s14^2*z3)/(4*s12*s123*s34*z34) - (s14^2*z3)/(4*s12*s124*s34*z34) - 
   (s13*s14^2*z3)/(2*s12^2*s123*s34*z34) - 
   (s13*s14^2*z3)/(2*s12^2*s124*s34*z34) - (6*s14^2*z3)/(s12*s134*s34*z34) - 
   (s14^2*z3)/(s123*s134*s34*z34) + (s14^2*z3)/(2*s124*s134*s34*z34) - 
   (2*s13*s14^2*z3)/(s12*s123*s134*s34*z34) + 
   (s13*s14^2*z3)/(s12*s124*s134*s34*z34) - 
   (s14^3*z3)/(4*s12^2*s123*s34*z34) - (s14^3*z3)/(4*s12^2*s124*s34*z34) - 
   (s14^3*z3)/(s12*s123*s134*s34*z34) + 
   (s14^3*z3)/(2*s12*s124*s134*s34*z34) - (6*s14*s23*z3)/(s12^2*s34*z34) - 
   (3*s14*s23*z3)/(4*s12*s123*s34*z34) - (3*s14*s23*z3)/
    (4*s12*s124*s34*z34) - (s13*s14*s23*z3)/(s12^2*s123*s34*z34) - 
   (s13*s14*s23*z3)/(s12^2*s124*s34*z34) - 
   (9*s14*s23*z3)/(2*s12*s134*s34*z34) - (s13*s14*s23*z3)/
    (s12*s123*s134*s34*z34) + (s13*s14*s23*z3)/(2*s12*s124*s134*s34*z34) - 
   (s14^2*s23*z3)/(s12^2*s123*s34*z34) - (s14^2*s23*z3)/
    (s12^2*s124*s34*z34) - (s14^2*s23*z3)/(s12*s123*s134*s34*z34) + 
   (s14^2*s23*z3)/(2*s12*s124*s134*s34*z34) - 
   (3*s14*s23^2*z3)/(4*s12^2*s123*s34*z34) - (3*s14*s23^2*z3)/
    (4*s12^2*s124*s34*z34) - (2*s14*z3)/(s234*s34*z34) - 
   (2*s13*s14*z3)/(s12*s234*s34*z34) - (2*s12*s14*z3)/(s134*s234*s34*z34) - 
   (2*s13*s14*z3)/(s134*s234*s34*z34) - (2*s14^2*z3)/(s12*s234*s34*z34) - 
   (2*s14^2*z3)/(s134*s234*s34*z34) - (7*s14*s23*z3)/(2*s12*s234*s34*z34) + 
   (s14*s23*z3)/(2*s123*s234*s34*z34) - (s14*s23*z3)/(s124*s234*s34*z34) + 
   (s13*s14*s23*z3)/(2*s12*s123*s234*s34*z34) - 
   (s13*s14*s23*z3)/(s12*s124*s234*s34*z34) - 
   (4*s14*s23*z3)/(s134*s234*s34*z34) + (s14^2*s23*z3)/
    (2*s12*s123*s234*s34*z34) - (s14^2*s23*z3)/(s12*s124*s234*s34*z34) + 
   (s14*s23^2*z3)/(2*s12*s123*s234*s34*z34) - 
   (s14*s23^2*z3)/(s12*s124*s234*s34*z34) - (3*s24*z3)/(s12*s34*z34) - 
   (6*s13*s24*z3)/(s12^2*s34*z34) - (3*s13*s24*z3)/(4*s12*s123*s34*z34) - 
   (3*s13*s24*z3)/(4*s12*s124*s34*z34) - (3*s13^2*s24*z3)/
    (4*s12^2*s123*s34*z34) - (3*s13^2*s24*z3)/(4*s12^2*s124*s34*z34) - 
   (2*s24*z3)/(s134*s34*z34) - (7*s13*s24*z3)/(2*s12*s134*s34*z34) - 
   (s13*s24*z3)/(s123*s134*s34*z34) + (s13*s24*z3)/(2*s124*s134*s34*z34) - 
   (s13^2*s24*z3)/(s12*s123*s134*s34*z34) + 
   (s13^2*s24*z3)/(2*s12*s124*s134*s34*z34) - 
   (12*s14*s24*z3)/(s12^2*s34*z34) - (3*s14*s24*z3)/(2*s12*s123*s34*z34) - 
   (3*s14*s24*z3)/(2*s12*s124*s34*z34) - (5*s13*s14*s24*z3)/
    (2*s12^2*s123*s34*z34) - (5*s13*s14*s24*z3)/(2*s12^2*s124*s34*z34) - 
   (8*s14*s24*z3)/(s12*s134*s34*z34) - (s14*s24*z3)/(s123*s134*s34*z34) + 
   (s14*s24*z3)/(2*s124*s134*s34*z34) - (3*s13*s14*s24*z3)/
    (s12*s123*s134*s34*z34) + (3*s13*s14*s24*z3)/(2*s12*s124*s134*s34*z34) - 
   (7*s14^2*s24*z3)/(4*s12^2*s123*s34*z34) - (7*s14^2*s24*z3)/
    (4*s12^2*s124*s34*z34) - (2*s14^2*s24*z3)/(s12*s123*s134*s34*z34) + 
   (s14^2*s24*z3)/(s12*s124*s134*s34*z34) - (5*s23*s24*z3)/(s12^2*s34*z34) - 
   (s23*s24*z3)/(4*s12*s123*s34*z34) - (s23*s24*z3)/(4*s12*s124*s34*z34) - 
   (s13*s23*s24*z3)/(s12^2*s123*s34*z34) - (s13*s23*s24*z3)/
    (s12^2*s124*s34*z34) - (2*s23*s24*z3)/(s12*s134*s34*z34) - 
   (s13*s23*s24*z3)/(s12*s123*s134*s34*z34) + 
   (s13*s23*s24*z3)/(2*s12*s124*s134*s34*z34) - 
   (5*s14*s23*s24*z3)/(2*s12^2*s123*s34*z34) - 
   (5*s14*s23*s24*z3)/(2*s12^2*s124*s34*z34) - 
   (s14*s23*s24*z3)/(s12*s123*s134*s34*z34) + 
   (s14*s23*s24*z3)/(2*s12*s124*s134*s34*z34) - 
   (s23^2*s24*z3)/(4*s12^2*s123*s34*z34) - 
   (s23^2*s24*z3)/(4*s12^2*s124*s34*z34) - (3*s24*z3)/(s234*s34*z34) - 
   (9*s13*s24*z3)/(2*s12*s234*s34*z34) - (2*s12*s24*z3)/(s134*s234*s34*z34) - 
   (4*s13*s24*z3)/(s134*s234*s34*z34) - (8*s14*s24*z3)/(s12*s234*s34*z34) + 
   (s14*s24*z3)/(2*s123*s234*s34*z34) - (s14*s24*z3)/(s124*s234*s34*z34) + 
   (s13*s14*s24*z3)/(2*s12*s123*s234*s34*z34) - 
   (s13*s14*s24*z3)/(s12*s124*s234*s34*z34) - 
   (8*s14*s24*z3)/(s134*s234*s34*z34) + (s14^2*s24*z3)/
    (2*s12*s123*s234*s34*z34) - (s14^2*s24*z3)/(s12*s124*s234*s34*z34) - 
   (6*s23*s24*z3)/(s12*s234*s34*z34) + (s23*s24*z3)/(2*s123*s234*s34*z34) - 
   (s23*s24*z3)/(s124*s234*s34*z34) + (s13*s23*s24*z3)/
    (2*s12*s123*s234*s34*z34) - (s13*s23*s24*z3)/(s12*s124*s234*s34*z34) - 
   (2*s23*s24*z3)/(s134*s234*s34*z34) + (3*s14*s23*s24*z3)/
    (2*s12*s123*s234*s34*z34) - (3*s14*s23*s24*z3)/(s12*s124*s234*s34*z34) + 
   (s23^2*s24*z3)/(2*s12*s123*s234*s34*z34) - 
   (s23^2*s24*z3)/(s12*s124*s234*s34*z34) - (5*s24^2*z3)/(s12^2*s34*z34) - 
   (s24^2*z3)/(4*s12*s123*s34*z34) - (s24^2*z3)/(4*s12*s124*s34*z34) - 
   (s13*s24^2*z3)/(s12^2*s123*s34*z34) - (s13*s24^2*z3)/
    (s12^2*s124*s34*z34) - (2*s24^2*z3)/(s12*s134*s34*z34) - 
   (s13*s24^2*z3)/(s12*s123*s134*s34*z34) + 
   (s13*s24^2*z3)/(2*s12*s124*s134*s34*z34) - 
   (7*s14*s24^2*z3)/(4*s12^2*s123*s34*z34) - (7*s14*s24^2*z3)/
    (4*s12^2*s124*s34*z34) - (s14*s24^2*z3)/(s12*s123*s134*s34*z34) + 
   (s14*s24^2*z3)/(2*s12*s124*s134*s34*z34) - 
   (s23*s24^2*z3)/(2*s12^2*s123*s34*z34) - 
   (s23*s24^2*z3)/(2*s12^2*s124*s34*z34) - (6*s24^2*z3)/(s12*s234*s34*z34) + 
   (s24^2*z3)/(2*s123*s234*s34*z34) - (s24^2*z3)/(s124*s234*s34*z34) + 
   (s13*s24^2*z3)/(2*s12*s123*s234*s34*z34) - 
   (s13*s24^2*z3)/(s12*s124*s234*s34*z34) - 
   (2*s24^2*z3)/(s134*s234*s34*z34) + (s14*s24^2*z3)/
    (s12*s123*s234*s34*z34) - (2*s14*s24^2*z3)/(s12*s124*s234*s34*z34) + 
   (s23*s24^2*z3)/(s12*s123*s234*s34*z34) - (2*s23*s24^2*z3)/
    (s12*s124*s234*s34*z34) - (s24^3*z3)/(4*s12^2*s123*s34*z34) - 
   (s24^3*z3)/(4*s12^2*s124*s34*z34) + (s24^3*z3)/(2*s12*s123*s234*s34*z34) - 
   (s24^3*z3)/(s12*s124*s234*s34*z34) - (s14*s34*z3)/(2*s12^2*s123*z34) - 
   (s14*s34*z3)/(2*s12^2*s124*z34) - (s14*s34*z3)/(s12*s123*s134*z34) + 
   (s14*s34*z3)/(2*s12*s124*s134*z34) + (s14*s34*z3)/(2*s12*s123*s234*z34) - 
   (s14*s34*z3)/(s12*s124*s234*z34) - (s24*s34*z3)/(2*s12^2*s123*z34) - 
   (s24*s34*z3)/(2*s12^2*s124*z34) - (s24*s34*z3)/(s12*s123*s134*z34) + 
   (s24*s34*z3)/(2*s12*s124*s134*z34) + (s24*s34*z3)/(2*s12*s123*s234*z34) - 
   (s24*s34*z3)/(s12*s124*s234*z34) - (z1*z3)/(s12*z12*z34) - 
   (z1*z3)/(2*s134*z12*z34) - (3*s13*z1*z3)/(4*s12*s134*z12*z34) + 
   (3*s14*z1*z3)/(s12^2*z12*z34) + (s14*z1*z3)/(2*s12*s123*z12*z34) + 
   (s14*z1*z3)/(2*s12*s124*z12*z34) + (3*s13*s14*z1*z3)/
    (4*s12^2*s123*z12*z34) + (3*s13*s14*z1*z3)/(4*s12^2*s124*z12*z34) + 
   (3*s14*z1*z3)/(4*s12*s134*z12*z34) + (3*s14^2*z1*z3)/
    (4*s12^2*s123*z12*z34) + (3*s14^2*z1*z3)/(4*s12^2*s124*z12*z34) - 
   (3*s23*z1*z3)/(4*s12*s134*z12*z34) + (3*s14*s23*z1*z3)/
    (4*s12^2*s123*z12*z34) + (3*s14*s23*z1*z3)/(4*s12^2*s124*z12*z34) + 
   (z1*z3)/(2*s234*z12*z34) + (3*s13*z1*z3)/(4*s12*s234*z12*z34) + 
   (5*s14*z1*z3)/(4*s12*s234*z12*z34) + (3*s23*z1*z3)/(4*s12*s234*z12*z34) + 
   (s24*z1*z3)/(s12^2*z12*z34) - (s24*z1*z3)/(2*s12*s123*z12*z34) - 
   (s24*z1*z3)/(2*s12*s124*z12*z34) - (3*s13*s24*z1*z3)/
    (4*s12^2*s123*z12*z34) - (3*s13*s24*z1*z3)/(4*s12^2*s124*z12*z34) - 
   (s24*z1*z3)/(4*s12*s134*z12*z34) - (3*s23*s24*z1*z3)/
    (4*s12^2*s123*z12*z34) - (3*s23*s24*z1*z3)/(4*s12^2*s124*z12*z34) + 
   (9*s24*z1*z3)/(4*s12*s234*z12*z34) - (3*s24^2*z1*z3)/
    (4*s12^2*s123*z12*z34) - (3*s24^2*z1*z3)/(4*s12^2*s124*z12*z34) + 
   (2*s13*s14*z1*z3)/(s12*s34^2*z12*z34) + (2*s13^2*s14*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s13*s14*z1*z3)/(s134*s34^2*z12*z34) + 
   (s13^2*s14*z1*z3)/(s12*s134*s34^2*z12*z34) + 
   (2*s14^2*z1*z3)/(s12*s34^2*z12*z34) + (4*s13*s14^2*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s14^2*z1*z3)/(s134*s34^2*z12*z34) + 
   (2*s13*s14^2*z1*z3)/(s12*s134*s34^2*z12*z34) + 
   (2*s14^3*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (s14^3*z1*z3)/(s12*s134*s34^2*z12*z34) + (s14*s23*z1*z3)/
    (s12*s34^2*z12*z34) + (3*s13*s14*s23*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (s14*s23*z1*z3)/(2*s134*s34^2*z12*z34) + (3*s13*s14*s23*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) + (3*s14^2*s23*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (3*s14^2*s23*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23^2*z1*z3)/(s12^2*s34^2*z12*z34) + (s14*s23^2*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s23*z1*z3)/(2*s234*s34^2*z12*z34) + 
   (s13*s14*s23*z1*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14^2*s23*z1*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s23^2*z1*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*s24*z1*z3)/(s12*s34^2*z12*z34) + (s13^2*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s13*s24*z1*z3)/(2*s134*s34^2*z12*z34) + 
   (s13^2*s24*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (2*s14*s24*z1*z3)/(s12*s34^2*z12*z34) + (5*s13*s14*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s14*s24*z1*z3)/(s134*s34^2*z12*z34) + 
   (5*s13*s14*s24*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (4*s14^2*s24*z1*z3)/(s12^2*s34^2*z12*z34) + (2*s14^2*s24*z1*z3)/
    (s12*s134*s34^2*z12*z34) + (s13*s23*s24*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (s13*s23*s24*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (3*s14*s23*s24*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (3*s14*s23*s24*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s13*s24*z1*z3)/(2*s234*s34^2*z12*z34) + (s13^2*s24*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s24*z1*z3)/(s234*s34^2*z12*z34) + 
   (3*s13*s14*s24*z1*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14^2*s24*z1*z3)/(s12*s234*s34^2*z12*z34) + 
   (s23*s24*z1*z3)/(s234*s34^2*z12*z34) + (3*s13*s23*s24*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) + (5*s14*s23*s24*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s23^2*s24*z1*z3)/(s12*s234*s34^2*z12*z34) + 
   (s13*s24^2*z1*z3)/(s12^2*s34^2*z12*z34) + (s13*s24^2*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) + (2*s14*s24^2*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (s14*s24^2*z1*z3)/(s12*s134*s34^2*z12*z34) + 
   (s24^2*z1*z3)/(s234*s34^2*z12*z34) + (3*s13*s24^2*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) + (2*s14*s24^2*z1*z3)/
    (s12*s234*s34^2*z12*z34) + (2*s23*s24^2*z1*z3)/(s12*s234*s34^2*z12*z34) + 
   (s24^3*z1*z3)/(s12*s234*s34^2*z12*z34) - (z1*z3)/(s34*z12*z34) - 
   (s13*z1*z3)/(s12*s34*z12*z34) - (s13*z1*z3)/(4*s134*s34*z12*z34) - 
   (s13^2*z1*z3)/(4*s12*s134*s34*z12*z34) + (2*s14*z1*z3)/(s12*s34*z12*z34) + 
   (5*s13*s14*z1*z3)/(s12^2*s34*z12*z34) + (s13*s14*z1*z3)/
    (4*s12*s123*s34*z12*z34) + (s13*s14*z1*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s14*z1*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z1*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (5*s14*z1*z3)/(4*s134*s34*z12*z34) + (2*s13*s14*z1*z3)/
    (s12*s134*s34*z12*z34) + (5*s14^2*z1*z3)/(s12^2*s34*z12*z34) + 
   (s14^2*z1*z3)/(4*s12*s123*s34*z12*z34) + 
   (s14^2*z1*z3)/(4*s12*s124*s34*z12*z34) + (s13*s14^2*z1*z3)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s14^2*z1*z3)/
    (2*s12^2*s124*s34*z12*z34) + (9*s14^2*z1*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14^3*z1*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^3*z1*z3)/(4*s12^2*s124*s34*z12*z34) - (s23*z1*z3)/(s12*s34*z12*z34) - 
   (s23*z1*z3)/(4*s134*s34*z12*z34) - (s13*s23*z1*z3)/
    (2*s12*s134*s34*z12*z34) + (4*s14*s23*z1*z3)/(s12^2*s34*z12*z34) + 
   (s14*s23*z1*z3)/(4*s12*s123*s34*z12*z34) + 
   (s14*s23*z1*z3)/(4*s12*s124*s34*z12*z34) + (s13*s14*s23*z1*z3)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s14*s23*z1*z3)/
    (2*s12^2*s124*s34*z12*z34) + (3*s14*s23*z1*z3)/(2*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z1*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (s23^2*z1*z3)/(4*s12*s134*s34*z12*z34) + (s14*s23^2*z1*z3)/
    (4*s12^2*s123*s34*z12*z34) + (s14*s23^2*z1*z3)/
    (4*s12^2*s124*s34*z12*z34) + (s13*z1*z3)/(4*s234*s34*z12*z34) + 
   (s13^2*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (3*s14*z1*z3)/(4*s234*s34*z12*z34) + (s13*s14*z1*z3)/
    (s12*s234*s34*z12*z34) + (3*s14^2*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (s23*z1*z3)/(4*s234*s34*z12*z34) + (s13*s23*z1*z3)/
    (2*s12*s234*s34*z12*z34) + (3*s14*s23*z1*z3)/(2*s12*s234*s34*z12*z34) + 
   (s23^2*z1*z3)/(4*s12*s234*s34*z12*z34) + (2*s13*s24*z1*z3)/
    (s12^2*s34*z12*z34) - (s13*s24*z1*z3)/(4*s12*s123*s34*z12*z34) - 
   (s13*s24*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s24*z1*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z1*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s24*z1*z3)/(4*s134*s34*z12*z34) + (s13*s24*z1*z3)/
    (2*s12*s134*s34*z12*z34) + (6*s14*s24*z1*z3)/(s12^2*s34*z12*z34) + 
   (5*s14*s24*z1*z3)/(2*s12*s134*s34*z12*z34) + 
   (s14^2*s24*z1*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^2*s24*z1*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s23*s24*z1*z3)/(s12^2*s34*z12*z34) - (s23*s24*z1*z3)/
    (4*s12*s123*s34*z12*z34) - (s23*s24*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13*s23*s24*z1*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s23*s24*z1*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (s23^2*s24*z1*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s23^2*s24*z1*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (7*s24*z1*z3)/(4*s234*s34*z12*z34) + (5*s13*s24*z1*z3)/
    (2*s12*s234*s34*z12*z34) + (7*s14*s24*z1*z3)/(2*s12*s234*s34*z12*z34) + 
   (3*s23*s24*z1*z3)/(s12*s234*s34*z12*z34) + 
   (s24^2*z1*z3)/(s12^2*s34*z12*z34) - (s24^2*z1*z3)/
    (4*s12*s123*s34*z12*z34) - (s24^2*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13*s24^2*z1*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s24^2*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s24^2*z1*z3)/(4*s12*s134*s34*z12*z34) - (s14*s24^2*z1*z3)/
    (4*s12^2*s123*s34*z12*z34) - (s14*s24^2*z1*z3)/
    (4*s12^2*s124*s34*z12*z34) - (s23*s24^2*z1*z3)/
    (2*s12^2*s123*s34*z12*z34) - (s23*s24^2*z1*z3)/
    (2*s12^2*s124*s34*z12*z34) + (11*s24^2*z1*z3)/(4*s12*s234*s34*z12*z34) - 
   (s24^3*z1*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s24^3*z1*z3)/(4*s12^2*s124*s34*z12*z34) - 
   (s34*z1*z3)/(2*s12*s134*z12*z34) + (s14*s34*z1*z3)/
    (2*s12^2*s123*z12*z34) + (s14*s34*z1*z3)/(2*s12^2*s124*z12*z34) + 
   (s34*z1*z3)/(2*s12*s234*z12*z34) - (s24*s34*z1*z3)/
    (2*s12^2*s123*z12*z34) - (s24*s34*z1*z3)/(2*s12^2*s124*z12*z34) - 
   (4*s14*z1*z2*z3)/(s12^2*z12^2*z34) - (4*s24*z1*z2*z3)/(s12^2*z12^2*z34) - 
   (2*s13*s14*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (2*s13^2*s14*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s14^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) - 
   (4*s13*s14^2*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (2*s14^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (2*s14*s23*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (4*s13*s14*s23*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (4*s14^2*s23*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s14*s23^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s13*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) - 
   (2*s13^2*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (4*s14*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (8*s13*s14*s24*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (6*s14^2*s24*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s23*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) - 
   (4*s13*s23*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (8*s14*s23*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (2*s23^2*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (2*s24^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (4*s13*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (6*s14*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (4*s23*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s24^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (4*s14*z1*z2*z3)/(s12*s34*z12^2*z34) - (6*s13*s14*z1*z2*z3)/
    (s12^2*s34*z12^2*z34) - (6*s14^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (6*s14*s23*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (4*s24*z1*z2*z3)/(s12*s34*z12^2*z34) - (6*s13*s24*z1*z2*z3)/
    (s12^2*s34*z12^2*z34) - (12*s14*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (6*s23*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (6*s24^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) - (z2*z3)/(s12*z12*z34) + 
   (z2*z3)/(2*s134*z12*z34) + (3*s13*z2*z3)/(4*s12*s134*z12*z34) + 
   (s14*z2*z3)/(s12^2*z12*z34) - (s14*z2*z3)/(2*s12*s123*z12*z34) - 
   (s14*z2*z3)/(2*s12*s124*z12*z34) - (3*s13*s14*z2*z3)/
    (4*s12^2*s123*z12*z34) - (3*s13*s14*z2*z3)/(4*s12^2*s124*z12*z34) + 
   (9*s14*z2*z3)/(4*s12*s134*z12*z34) - (3*s14^2*z2*z3)/
    (4*s12^2*s123*z12*z34) - (3*s14^2*z2*z3)/(4*s12^2*s124*z12*z34) + 
   (3*s23*z2*z3)/(4*s12*s134*z12*z34) - (3*s14*s23*z2*z3)/
    (4*s12^2*s123*z12*z34) - (3*s14*s23*z2*z3)/(4*s12^2*s124*z12*z34) - 
   (z2*z3)/(2*s234*z12*z34) - (3*s13*z2*z3)/(4*s12*s234*z12*z34) - 
   (s14*z2*z3)/(4*s12*s234*z12*z34) - (3*s23*z2*z3)/(4*s12*s234*z12*z34) + 
   (3*s24*z2*z3)/(s12^2*z12*z34) + (s24*z2*z3)/(2*s12*s123*z12*z34) + 
   (s24*z2*z3)/(2*s12*s124*z12*z34) + (3*s13*s24*z2*z3)/
    (4*s12^2*s123*z12*z34) + (3*s13*s24*z2*z3)/(4*s12^2*s124*z12*z34) + 
   (5*s24*z2*z3)/(4*s12*s134*z12*z34) + (3*s23*s24*z2*z3)/
    (4*s12^2*s123*z12*z34) + (3*s23*s24*z2*z3)/(4*s12^2*s124*z12*z34) + 
   (3*s24*z2*z3)/(4*s12*s234*z12*z34) + (3*s24^2*z2*z3)/
    (4*s12^2*s123*z12*z34) + (3*s24^2*z2*z3)/(4*s12^2*s124*z12*z34) + 
   (s13*s14*z2*z3)/(s134*s34^2*z12*z34) + (s13^2*s14*z2*z3)/
    (s12*s134*s34^2*z12*z34) + (s14^2*z2*z3)/(s134*s34^2*z12*z34) + 
   (2*s13*s14^2*z2*z3)/(s12*s134*s34^2*z12*z34) + 
   (s14^3*z2*z3)/(s12*s134*s34^2*z12*z34) + (s14*s23*z2*z3)/
    (s12*s34^2*z12*z34) + (s13*s14*s23*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s14*s23*z2*z3)/(2*s134*s34^2*z12*z34) + (3*s13*s14*s23*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) + (s14^2*s23*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (3*s14^2*s23*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23^2*z2*z3)/(s12^2*s34^2*z12*z34) + (s14*s23^2*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s23*z2*z3)/(2*s234*s34^2*z12*z34) + 
   (s13*s14*s23*z2*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14^2*s23*z2*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s23^2*z2*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*s24*z2*z3)/(s12*s34^2*z12*z34) + (s13^2*s24*z2*z3)/
    (s12^2*s34^2*z12*z34) + (s13*s24*z2*z3)/(2*s134*s34^2*z12*z34) + 
   (s13^2*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (2*s14*s24*z2*z3)/(s12*s34^2*z12*z34) + (3*s13*s14*s24*z2*z3)/
    (s12^2*s34^2*z12*z34) + (s14*s24*z2*z3)/(s134*s34^2*z12*z34) + 
   (5*s13*s14*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (2*s14^2*s24*z2*z3)/(s12^2*s34^2*z12*z34) + (2*s14^2*s24*z2*z3)/
    (s12*s134*s34^2*z12*z34) + (2*s23*s24*z2*z3)/(s12*s34^2*z12*z34) + 
   (3*s13*s23*s24*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s13*s23*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (5*s14*s23*s24*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (3*s14*s23*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (2*s23^2*s24*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s13*s24*z2*z3)/(2*s234*s34^2*z12*z34) + (s13^2*s24*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s24*z2*z3)/(s234*s34^2*z12*z34) + 
   (3*s13*s14*s24*z2*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14^2*s24*z2*z3)/(s12*s234*s34^2*z12*z34) + 
   (s23*s24*z2*z3)/(s234*s34^2*z12*z34) + (3*s13*s23*s24*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) + (5*s14*s23*s24*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s23^2*s24*z2*z3)/(s12*s234*s34^2*z12*z34) + 
   (2*s24^2*z2*z3)/(s12*s34^2*z12*z34) + (3*s13*s24^2*z2*z3)/
    (s12^2*s34^2*z12*z34) + (s13*s24^2*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (4*s14*s24^2*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s14*s24^2*z2*z3)/(s12*s134*s34^2*z12*z34) + 
   (4*s23*s24^2*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s24^2*z2*z3)/(s234*s34^2*z12*z34) + (3*s13*s24^2*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) + (2*s14*s24^2*z2*z3)/
    (s12*s234*s34^2*z12*z34) + (2*s23*s24^2*z2*z3)/(s12*s234*s34^2*z12*z34) + 
   (2*s24^3*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s24^3*z2*z3)/(s12*s234*s34^2*z12*z34) - (z2*z3)/(s34*z12*z34) - 
   (s13*z2*z3)/(s12*s34*z12*z34) + (s13*z2*z3)/(4*s134*s34*z12*z34) + 
   (s13^2*z2*z3)/(4*s12*s134*s34*z12*z34) + (s13*s14*z2*z3)/
    (s12^2*s34*z12*z34) - (s13*s14*z2*z3)/(4*s12*s123*s34*z12*z34) - 
   (s13*s14*z2*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s14*z2*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^2*s14*z2*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (7*s14*z2*z3)/(4*s134*s34*z12*z34) + (3*s13*s14*z2*z3)/
    (s12*s134*s34*z12*z34) + (s14^2*z2*z3)/(s12^2*s34*z12*z34) - 
   (s14^2*z2*z3)/(4*s12*s123*s34*z12*z34) - 
   (s14^2*z2*z3)/(4*s12*s124*s34*z12*z34) - (s13*s14^2*z2*z3)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s14^2*z2*z3)/
    (2*s12^2*s124*s34*z12*z34) + (11*s14^2*z2*z3)/(4*s12*s134*s34*z12*z34) - 
   (s14^3*z2*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^3*z2*z3)/(4*s12^2*s124*s34*z12*z34) - (s23*z2*z3)/(s12*s34*z12*z34) + 
   (s23*z2*z3)/(4*s134*s34*z12*z34) + (s13*s23*z2*z3)/
    (2*s12*s134*s34*z12*z34) + (2*s14*s23*z2*z3)/(s12^2*s34*z12*z34) - 
   (s14*s23*z2*z3)/(4*s12*s123*s34*z12*z34) - 
   (s14*s23*z2*z3)/(4*s12*s124*s34*z12*z34) - (s13*s14*s23*z2*z3)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s14*s23*z2*z3)/
    (2*s12^2*s124*s34*z12*z34) + (5*s14*s23*z2*z3)/(2*s12*s134*s34*z12*z34) - 
   (s14^2*s23*z2*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s14^2*s23*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^2*z2*z3)/(4*s12*s134*s34*z12*z34) - (s14*s23^2*z2*z3)/
    (4*s12^2*s123*s34*z12*z34) - (s14*s23^2*z2*z3)/
    (4*s12^2*s124*s34*z12*z34) - (s13*z2*z3)/(4*s234*s34*z12*z34) - 
   (s13^2*z2*z3)/(4*s12*s234*s34*z12*z34) + 
   (s14*z2*z3)/(4*s234*s34*z12*z34) + (s14^2*z2*z3)/
    (4*s12*s234*s34*z12*z34) - (s23*z2*z3)/(4*s234*s34*z12*z34) - 
   (s13*s23*z2*z3)/(2*s12*s234*s34*z12*z34) + 
   (s14*s23*z2*z3)/(2*s12*s234*s34*z12*z34) - 
   (s23^2*z2*z3)/(4*s12*s234*s34*z12*z34) + (2*s24*z2*z3)/(s12*s34*z12*z34) + 
   (4*s13*s24*z2*z3)/(s12^2*s34*z12*z34) + (s13*s24*z2*z3)/
    (4*s12*s123*s34*z12*z34) + (s13*s24*z2*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z2*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z2*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (3*s24*z2*z3)/(4*s134*s34*z12*z34) + (3*s13*s24*z2*z3)/
    (2*s12*s134*s34*z12*z34) + (6*s14*s24*z2*z3)/(s12^2*s34*z12*z34) + 
   (7*s14*s24*z2*z3)/(2*s12*s134*s34*z12*z34) - 
   (s14^2*s24*z2*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^2*s24*z2*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (5*s23*s24*z2*z3)/(s12^2*s34*z12*z34) + (s23*s24*z2*z3)/
    (4*s12*s123*s34*z12*z34) + (s23*s24*z2*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13*s23*s24*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s23*s24*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s23*s24*z2*z3)/(s12*s134*s34*z12*z34) + (s23^2*s24*z2*z3)/
    (4*s12^2*s123*s34*z12*z34) + (s23^2*s24*z2*z3)/
    (4*s12^2*s124*s34*z12*z34) + (5*s24*z2*z3)/(4*s234*s34*z12*z34) + 
   (3*s13*s24*z2*z3)/(2*s12*s234*s34*z12*z34) + 
   (5*s14*s24*z2*z3)/(2*s12*s234*s34*z12*z34) + 
   (2*s23*s24*z2*z3)/(s12*s234*s34*z12*z34) + 
   (5*s24^2*z2*z3)/(s12^2*s34*z12*z34) + (s24^2*z2*z3)/
    (4*s12*s123*s34*z12*z34) + (s24^2*z2*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13*s24^2*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s24^2*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s24^2*z2*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14*s24^2*z2*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s14*s24^2*z2*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s23*s24^2*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s23*s24^2*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (9*s24^2*z2*z3)/(4*s12*s234*s34*z12*z34) + 
   (s24^3*z2*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s24^3*z2*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s34*z2*z3)/(2*s12*s134*z12*z34) - (s14*s34*z2*z3)/
    (2*s12^2*s123*z12*z34) - (s14*s34*z2*z3)/(2*s12^2*s124*z12*z34) - 
   (s34*z2*z3)/(2*s12*s234*z12*z34) + (s24*s34*z2*z3)/
    (2*s12^2*s123*z12*z34) + (s24*s34*z2*z3)/(2*s12^2*s124*z12*z34) + 
   (s14*z3^2)/(2*s12*s134*z12*z34) - (s14*z3^2)/(2*s12*s234*z12*z34) - 
   (s24*z3^2)/(2*s12*s134*z12*z34) + (s24*z3^2)/(2*s12*s234*z12*z34) + 
   (s14*z3^2)/(s34^2*z12*z34) + (s13*s14*z3^2)/(s12*s34^2*z12*z34) + 
   (s13*s14*z3^2)/(4*s134*s34^2*z12*z34) + (s13^2*s14*z3^2)/
    (4*s12*s134*s34^2*z12*z34) + (s14^2*z3^2)/(s12*s34^2*z12*z34) + 
   (s14^2*z3^2)/(4*s134*s34^2*z12*z34) + (s13*s14^2*z3^2)/
    (2*s12*s134*s34^2*z12*z34) + (s14^3*z3^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s14*s23*z3^2)/(s12*s34^2*z12*z34) + (s14*s23*z3^2)/
    (4*s134*s34^2*z12*z34) + (s13*s14*s23*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*s23*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23^2*z3^2)/(4*s12*s134*s34^2*z12*z34) - 
   (s13*s14*z3^2)/(4*s234*s34^2*z12*z34) - (s13^2*s14*z3^2)/
    (4*s12*s234*s34^2*z12*z34) - (s14^2*z3^2)/(4*s234*s34^2*z12*z34) - 
   (s13*s14^2*z3^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s14^3*z3^2)/(4*s12*s234*s34^2*z12*z34) - 
   (s14*s23*z3^2)/(4*s234*s34^2*z12*z34) - (s13*s14*s23*z3^2)/
    (2*s12*s234*s34^2*z12*z34) - (s14^2*s23*z3^2)/
    (2*s12*s234*s34^2*z12*z34) - (s14*s23^2*z3^2)/
    (4*s12*s234*s34^2*z12*z34) + (s24*z3^2)/(s34^2*z12*z34) + 
   (s13*s24*z3^2)/(s12*s34^2*z12*z34) - (s13*s24*z3^2)/
    (4*s134*s34^2*z12*z34) - (s13^2*s24*z3^2)/(4*s12*s134*s34^2*z12*z34) + 
   (2*s14*s24*z3^2)/(s12*s34^2*z12*z34) + (s14^2*s24*z3^2)/
    (4*s12*s134*s34^2*z12*z34) + (s23*s24*z3^2)/(s12*s34^2*z12*z34) - 
   (s23*s24*z3^2)/(4*s134*s34^2*z12*z34) - (s13*s23*s24*z3^2)/
    (2*s12*s134*s34^2*z12*z34) - (s23^2*s24*z3^2)/
    (4*s12*s134*s34^2*z12*z34) + (s13*s24*z3^2)/(4*s234*s34^2*z12*z34) + 
   (s13^2*s24*z3^2)/(4*s12*s234*s34^2*z12*z34) - 
   (s14^2*s24*z3^2)/(4*s12*s234*s34^2*z12*z34) + 
   (s23*s24*z3^2)/(4*s234*s34^2*z12*z34) + (s13*s23*s24*z3^2)/
    (2*s12*s234*s34^2*z12*z34) + (s23^2*s24*z3^2)/
    (4*s12*s234*s34^2*z12*z34) + (s24^2*z3^2)/(s12*s34^2*z12*z34) - 
   (s24^2*z3^2)/(4*s134*s34^2*z12*z34) - (s13*s24^2*z3^2)/
    (2*s12*s134*s34^2*z12*z34) - (s14*s24^2*z3^2)/
    (4*s12*s134*s34^2*z12*z34) - (s23*s24^2*z3^2)/
    (2*s12*s134*s34^2*z12*z34) + (s24^2*z3^2)/(4*s234*s34^2*z12*z34) + 
   (s13*s24^2*z3^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s24^2*z3^2)/(4*s12*s234*s34^2*z12*z34) + 
   (s23*s24^2*z3^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s24^3*z3^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s24^3*z3^2)/(4*s12*s234*s34^2*z12*z34) + (s14*z3^2)/(s12*s34*z12*z34) + 
   (s14*z3^2)/(2*s134*s34*z12*z34) + (3*s13*s14*z3^2)/
    (4*s12*s134*s34*z12*z34) + (3*s14^2*z3^2)/(4*s12*s134*s34*z12*z34) + 
   (3*s14*s23*z3^2)/(4*s12*s134*s34*z12*z34) - 
   (s14*z3^2)/(2*s234*s34*z12*z34) - (3*s13*s14*z3^2)/
    (4*s12*s234*s34*z12*z34) - (3*s14^2*z3^2)/(4*s12*s234*s34*z12*z34) - 
   (3*s14*s23*z3^2)/(4*s12*s234*s34*z12*z34) + (s24*z3^2)/(s12*s34*z12*z34) - 
   (s24*z3^2)/(2*s134*s34*z12*z34) - (3*s13*s24*z3^2)/
    (4*s12*s134*s34*z12*z34) - (3*s23*s24*z3^2)/(4*s12*s134*s34*z12*z34) + 
   (s24*z3^2)/(2*s234*s34*z12*z34) + (3*s13*s24*z3^2)/
    (4*s12*s234*s34*z12*z34) + (3*s23*s24*z3^2)/(4*s12*s234*s34*z12*z34) - 
   (3*s24^2*z3^2)/(4*s12*s134*s34*z12*z34) + 
   (3*s24^2*z3^2)/(4*s12*s234*s34*z12*z34) + (2*z4)/(s12*z12) + 
   z4/(s124*z12) - (s13*z4)/(s12*s123*z12) + (s13*z4)/(s12*s124*z12) + 
   z4/(2*s134*z12) + (s14*z4)/(s12*s124*z12) - (s23*z4)/(s12*s123*z12) + 
   (s23*z4)/(s12*s124*z12) + z4/(2*s234*z12) + (s24*z4)/(s12*s124*z12) - 
   (s13*z4)/(s34^2*z12) - (s13^2*z4)/(s12*s34^2*z12) + 
   (s13^2*z4)/(4*s134*s34^2*z12) + (s13^3*z4)/(4*s12*s134*s34^2*z12) - 
   (s13*s14*z4)/(s12*s34^2*z12) - (s13*s14*z4)/(4*s134*s34^2*z12) - 
   (s13*s14^2*z4)/(4*s12*s134*s34^2*z12) - (s23*z4)/(s34^2*z12) - 
   (2*s13*s23*z4)/(s12*s34^2*z12) + (s13^2*s23*z4)/(4*s12*s134*s34^2*z12) - 
   (s14*s23*z4)/(s12*s34^2*z12) + (s14*s23*z4)/(4*s134*s34^2*z12) + 
   (s14^2*s23*z4)/(4*s12*s134*s34^2*z12) - (s23^2*z4)/(s12*s34^2*z12) - 
   (s23^2*z4)/(4*s134*s34^2*z12) - (s13*s23^2*z4)/(4*s12*s134*s34^2*z12) - 
   (s23^3*z4)/(4*s12*s134*s34^2*z12) - (s13^2*z4)/(4*s234*s34^2*z12) - 
   (s13^3*z4)/(4*s12*s234*s34^2*z12) + (s13*s14*z4)/(4*s234*s34^2*z12) + 
   (s13*s14^2*z4)/(4*s12*s234*s34^2*z12) - 
   (s13^2*s23*z4)/(4*s12*s234*s34^2*z12) - (s14*s23*z4)/(4*s234*s34^2*z12) - 
   (s14^2*s23*z4)/(4*s12*s234*s34^2*z12) + (s23^2*z4)/(4*s234*s34^2*z12) + 
   (s13*s23^2*z4)/(4*s12*s234*s34^2*z12) + 
   (s23^3*z4)/(4*s12*s234*s34^2*z12) - (s13*s24*z4)/(s12*s34^2*z12) - 
   (s13*s24*z4)/(4*s134*s34^2*z12) - (s13*s14*s24*z4)/
    (2*s12*s134*s34^2*z12) - (s23*s24*z4)/(s12*s34^2*z12) + 
   (s23*s24*z4)/(4*s134*s34^2*z12) + (s14*s23*s24*z4)/
    (2*s12*s134*s34^2*z12) + (s13*s24*z4)/(4*s234*s34^2*z12) + 
   (s13*s14*s24*z4)/(2*s12*s234*s34^2*z12) - 
   (s23*s24*z4)/(4*s234*s34^2*z12) - (s14*s23*s24*z4)/
    (2*s12*s234*s34^2*z12) - (s13*s24^2*z4)/(4*s12*s134*s34^2*z12) + 
   (s23*s24^2*z4)/(4*s12*s134*s34^2*z12) + 
   (s13*s24^2*z4)/(4*s12*s234*s34^2*z12) - 
   (s23*s24^2*z4)/(4*s12*s234*s34^2*z12) + (2*z4)/(s34*z12) + 
   (s13*z4)/(s12*s34*z12) - (s13*z4)/(s123*s34*z12) - 
   (s13^2*z4)/(s12*s123*s34*z12) + (s12*z4)/(2*s134*s34*z12) + 
   (s13*z4)/(2*s134*s34*z12) + (s13^2*z4)/(4*s12*s134*s34*z12) + 
   (2*s14*z4)/(s12*s34*z12) - (s13*s14*z4)/(s12*s123*s34*z12) + 
   (s14*z4)/(2*s134*s34*z12) - (s13*s14*z4)/(4*s12*s134*s34*z12) + 
   (s23*z4)/(s12*s34*z12) - (s23*z4)/(s123*s34*z12) - 
   (2*s13*s23*z4)/(s12*s123*s34*z12) + (s23*z4)/(2*s134*s34*z12) - 
   (s14*s23*z4)/(s12*s123*s34*z12) + (s14*s23*z4)/(4*s12*s134*s34*z12) - 
   (s23^2*z4)/(s12*s123*s34*z12) - (s23^2*z4)/(4*s12*s134*s34*z12) + 
   (s12*z4)/(2*s234*s34*z12) + (s13*z4)/(2*s234*s34*z12) - 
   (s13^2*z4)/(4*s12*s234*s34*z12) + (s14*z4)/(2*s234*s34*z12) + 
   (s13*s14*z4)/(4*s12*s234*s34*z12) + (s23*z4)/(2*s234*s34*z12) - 
   (s14*s23*z4)/(4*s12*s234*s34*z12) + (s23^2*z4)/(4*s12*s234*s34*z12) + 
   (2*s24*z4)/(s12*s34*z12) - (s13*s24*z4)/(s12*s123*s34*z12) + 
   (s24*z4)/(2*s134*s34*z12) - (s13*s24*z4)/(4*s12*s134*s34*z12) - 
   (s23*s24*z4)/(s12*s123*s34*z12) + (s23*s24*z4)/(4*s12*s134*s34*z12) + 
   (s24*z4)/(2*s234*s34*z12) + (s13*s24*z4)/(4*s12*s234*s34*z12) - 
   (s23*s24*z4)/(4*s12*s234*s34*z12) + (s34*z4)/(s12*s124*z12) + 
   (2*z3*z4)/(s12*z34^2) + (10*s13*z3*z4)/(s12^2*z34^2) + 
   (4*z3*z4)/(s134*z34^2) + (11*s13*z3*z4)/(s12*s134*z34^2) + 
   (10*s14*z3*z4)/(s12^2*z34^2) + (11*s14*z3*z4)/(s12*s134*z34^2) + 
   (10*s23*z3*z4)/(s12^2*z34^2) + (7*s23*z3*z4)/(s12*s134*z34^2) + 
   (4*z3*z4)/(s234*z34^2) + (7*s13*z3*z4)/(s12*s234*z34^2) + 
   (4*s12*z3*z4)/(s134*s234*z34^2) + (8*s13*z3*z4)/(s134*s234*z34^2) + 
   (7*s14*z3*z4)/(s12*s234*z34^2) + (8*s14*z3*z4)/(s134*s234*z34^2) + 
   (11*s23*z3*z4)/(s12*s234*z34^2) + (8*s23*z3*z4)/(s134*s234*z34^2) + 
   (10*s24*z3*z4)/(s12^2*z34^2) + (7*s24*z3*z4)/(s12*s134*z34^2) + 
   (11*s24*z3*z4)/(s12*s234*z34^2) + (8*s24*z3*z4)/(s134*s234*z34^2) + 
   (2*s13^2*z3*z4)/(s12*s34^2*z34^2) + (2*s13^3*z3*z4)/(s12^2*s34^2*z34^2) + 
   (3*s13^2*z3*z4)/(s134*s34^2*z34^2) + (3*s13^3*z3*z4)/
    (s12*s134*s34^2*z34^2) + (4*s13*s14*z3*z4)/(s12*s34^2*z34^2) + 
   (6*s13^2*s14*z3*z4)/(s12^2*s34^2*z34^2) + (6*s13*s14*z3*z4)/
    (s134*s34^2*z34^2) + (9*s13^2*s14*z3*z4)/(s12*s134*s34^2*z34^2) + 
   (2*s14^2*z3*z4)/(s12*s34^2*z34^2) + (6*s13*s14^2*z3*z4)/
    (s12^2*s34^2*z34^2) + (3*s14^2*z3*z4)/(s134*s34^2*z34^2) + 
   (9*s13*s14^2*z3*z4)/(s12*s134*s34^2*z34^2) + 
   (2*s14^3*z3*z4)/(s12^2*s34^2*z34^2) + (3*s14^3*z3*z4)/
    (s12*s134*s34^2*z34^2) + (6*s13*s23*z3*z4)/(s12*s34^2*z34^2) + 
   (8*s13^2*s23*z3*z4)/(s12^2*s34^2*z34^2) + (3*s13*s23*z3*z4)/
    (s134*s34^2*z34^2) + (6*s13^2*s23*z3*z4)/(s12*s134*s34^2*z34^2) + 
   (6*s14*s23*z3*z4)/(s12*s34^2*z34^2) + (16*s13*s14*s23*z3*z4)/
    (s12^2*s34^2*z34^2) + (3*s14*s23*z3*z4)/(s134*s34^2*z34^2) + 
   (12*s13*s14*s23*z3*z4)/(s12*s134*s34^2*z34^2) + 
   (8*s14^2*s23*z3*z4)/(s12^2*s34^2*z34^2) + (6*s14^2*s23*z3*z4)/
    (s12*s134*s34^2*z34^2) + (2*s23^2*z3*z4)/(s12*s34^2*z34^2) + 
   (8*s13*s23^2*z3*z4)/(s12^2*s34^2*z34^2) + (3*s13*s23^2*z3*z4)/
    (s12*s134*s34^2*z34^2) + (8*s14*s23^2*z3*z4)/(s12^2*s34^2*z34^2) + 
   (3*s14*s23^2*z3*z4)/(s12*s134*s34^2*z34^2) + 
   (2*s23^3*z3*z4)/(s12^2*s34^2*z34^2) + (3*s13*s23*z3*z4)/
    (s234*s34^2*z34^2) + (3*s13^2*s23*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (4*s12*s13*s23*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (4*s13^2*s23*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (3*s14*s23*z3*z4)/(s234*s34^2*z34^2) + (6*s13*s14*s23*z3*z4)/
    (s12*s234*s34^2*z34^2) + (4*s12*s14*s23*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (8*s13*s14*s23*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (3*s14^2*s23*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (4*s14^2*s23*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (3*s23^2*z3*z4)/(s234*s34^2*z34^2) + (6*s13*s23^2*z3*z4)/
    (s12*s234*s34^2*z34^2) + (4*s13*s23^2*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (6*s14*s23^2*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (4*s14*s23^2*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (3*s23^3*z3*z4)/(s12*s234*s34^2*z34^2) + (6*s13*s24*z3*z4)/
    (s12*s34^2*z34^2) + (8*s13^2*s24*z3*z4)/(s12^2*s34^2*z34^2) + 
   (3*s13*s24*z3*z4)/(s134*s34^2*z34^2) + (6*s13^2*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) + (6*s14*s24*z3*z4)/(s12*s34^2*z34^2) + 
   (16*s13*s14*s24*z3*z4)/(s12^2*s34^2*z34^2) + 
   (3*s14*s24*z3*z4)/(s134*s34^2*z34^2) + (12*s13*s14*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) + (8*s14^2*s24*z3*z4)/(s12^2*s34^2*z34^2) + 
   (6*s14^2*s24*z3*z4)/(s12*s134*s34^2*z34^2) + 
   (4*s23*s24*z3*z4)/(s12*s34^2*z34^2) + (16*s13*s23*s24*z3*z4)/
    (s12^2*s34^2*z34^2) + (6*s13*s23*s24*z3*z4)/(s12*s134*s34^2*z34^2) + 
   (16*s14*s23*s24*z3*z4)/(s12^2*s34^2*z34^2) + (6*s14*s23*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) + (6*s23^2*s24*z3*z4)/(s12^2*s34^2*z34^2) + 
   (3*s13*s24*z3*z4)/(s234*s34^2*z34^2) + (3*s13^2*s24*z3*z4)/
    (s12*s234*s34^2*z34^2) + (4*s12*s13*s24*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (4*s13^2*s24*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (3*s14*s24*z3*z4)/(s234*s34^2*z34^2) + (6*s13*s14*s24*z3*z4)/
    (s12*s234*s34^2*z34^2) + (4*s12*s14*s24*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (8*s13*s14*s24*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (3*s14^2*s24*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (4*s14^2*s24*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (6*s23*s24*z3*z4)/(s234*s34^2*z34^2) + (12*s13*s23*s24*z3*z4)/
    (s12*s234*s34^2*z34^2) + (8*s13*s23*s24*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (12*s14*s23*s24*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (8*s14*s23*s24*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (9*s23^2*s24*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (2*s24^2*z3*z4)/(s12*s34^2*z34^2) + (8*s13*s24^2*z3*z4)/
    (s12^2*s34^2*z34^2) + (3*s13*s24^2*z3*z4)/(s12*s134*s34^2*z34^2) + 
   (8*s14*s24^2*z3*z4)/(s12^2*s34^2*z34^2) + (3*s14*s24^2*z3*z4)/
    (s12*s134*s34^2*z34^2) + (6*s23*s24^2*z3*z4)/(s12^2*s34^2*z34^2) + 
   (3*s24^2*z3*z4)/(s234*s34^2*z34^2) + (6*s13*s24^2*z3*z4)/
    (s12*s234*s34^2*z34^2) + (4*s13*s24^2*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (6*s14*s24^2*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (4*s14*s24^2*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (9*s23*s24^2*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (2*s24^3*z3*z4)/(s12^2*s34^2*z34^2) + (3*s24^3*z3*z4)/
    (s12*s234*s34^2*z34^2) - (2*z3*z4)/(s34*z34^2) + 
   (4*s13*z3*z4)/(s12*s34*z34^2) + (8*s13^2*z3*z4)/(s12^2*s34*z34^2) + 
   (7*s13*z3*z4)/(s134*s34*z34^2) + (10*s13^2*z3*z4)/(s12*s134*s34*z34^2) + 
   (4*s14*z3*z4)/(s12*s34*z34^2) + (16*s13*s14*z3*z4)/(s12^2*s34*z34^2) + 
   (7*s14*z3*z4)/(s134*s34*z34^2) + (20*s13*s14*z3*z4)/(s12*s134*s34*z34^2) + 
   (8*s14^2*z3*z4)/(s12^2*s34*z34^2) + (10*s14^2*z3*z4)/
    (s12*s134*s34*z34^2) + (4*s23*z3*z4)/(s12*s34*z34^2) + 
   (18*s13*s23*z3*z4)/(s12^2*s34*z34^2) + (3*s23*z3*z4)/(s134*s34*z34^2) + 
   (13*s13*s23*z3*z4)/(s12*s134*s34*z34^2) + (18*s14*s23*z3*z4)/
    (s12^2*s34*z34^2) + (13*s14*s23*z3*z4)/(s12*s134*s34*z34^2) + 
   (8*s23^2*z3*z4)/(s12^2*s34*z34^2) + (3*s23^2*z3*z4)/(s12*s134*s34*z34^2) + 
   (3*s13*z3*z4)/(s234*s34*z34^2) + (3*s13^2*z3*z4)/(s12*s234*s34*z34^2) + 
   (4*s12*s13*z3*z4)/(s134*s234*s34*z34^2) + 
   (4*s13^2*z3*z4)/(s134*s234*s34*z34^2) + (3*s14*z3*z4)/(s234*s34*z34^2) + 
   (6*s13*s14*z3*z4)/(s12*s234*s34*z34^2) + (4*s12*s14*z3*z4)/
    (s134*s234*s34*z34^2) + (8*s13*s14*z3*z4)/(s134*s234*s34*z34^2) + 
   (3*s14^2*z3*z4)/(s12*s234*s34*z34^2) + (4*s14^2*z3*z4)/
    (s134*s234*s34*z34^2) + (7*s23*z3*z4)/(s234*s34*z34^2) + 
   (13*s13*s23*z3*z4)/(s12*s234*s34*z34^2) + (4*s12*s23*z3*z4)/
    (s134*s234*s34*z34^2) + (12*s13*s23*z3*z4)/(s134*s234*s34*z34^2) + 
   (13*s14*s23*z3*z4)/(s12*s234*s34*z34^2) + (12*s14*s23*z3*z4)/
    (s134*s234*s34*z34^2) + (10*s23^2*z3*z4)/(s12*s234*s34*z34^2) + 
   (4*s23^2*z3*z4)/(s134*s234*s34*z34^2) + (4*s24*z3*z4)/(s12*s34*z34^2) + 
   (18*s13*s24*z3*z4)/(s12^2*s34*z34^2) + (3*s24*z3*z4)/(s134*s34*z34^2) + 
   (13*s13*s24*z3*z4)/(s12*s134*s34*z34^2) + (18*s14*s24*z3*z4)/
    (s12^2*s34*z34^2) + (13*s14*s24*z3*z4)/(s12*s134*s34*z34^2) + 
   (16*s23*s24*z3*z4)/(s12^2*s34*z34^2) + (6*s23*s24*z3*z4)/
    (s12*s134*s34*z34^2) + (7*s24*z3*z4)/(s234*s34*z34^2) + 
   (13*s13*s24*z3*z4)/(s12*s234*s34*z34^2) + (4*s12*s24*z3*z4)/
    (s134*s234*s34*z34^2) + (12*s13*s24*z3*z4)/(s134*s234*s34*z34^2) + 
   (13*s14*s24*z3*z4)/(s12*s234*s34*z34^2) + (12*s14*s24*z3*z4)/
    (s134*s234*s34*z34^2) + (20*s23*s24*z3*z4)/(s12*s234*s34*z34^2) + 
   (8*s23*s24*z3*z4)/(s134*s234*s34*z34^2) + 
   (8*s24^2*z3*z4)/(s12^2*s34*z34^2) + (3*s24^2*z3*z4)/(s12*s134*s34*z34^2) + 
   (10*s24^2*z3*z4)/(s12*s234*s34*z34^2) + (4*s24^2*z3*z4)/
    (s134*s234*s34*z34^2) + (4*s34*z3*z4)/(s12^2*z34^2) + 
   (4*s34*z3*z4)/(s12*s134*z34^2) + (4*s34*z3*z4)/(s12*s234*z34^2) + 
   (4*s34*z3*z4)/(s134*s234*z34^2) - (4*z1*z3*z4)/(s12*z12*z34^2) - 
   (10*s13*z1*z3*z4)/(s12^2*z12*z34^2) - (2*z1*z3*z4)/(s134*z12*z34^2) - 
   (5*s13*z1*z3*z4)/(s12*s134*z12*z34^2) - (10*s14*z1*z3*z4)/
    (s12^2*z12*z34^2) - (5*s14*z1*z3*z4)/(s12*s134*z12*z34^2) - 
   (6*s23*z1*z3*z4)/(s12^2*z12*z34^2) - (3*s23*z1*z3*z4)/
    (s12*s134*z12*z34^2) - (2*z1*z3*z4)/(s234*z12*z34^2) - 
   (3*s13*z1*z3*z4)/(s12*s234*z12*z34^2) - (3*s14*z1*z3*z4)/
    (s12*s234*z12*z34^2) - (5*s23*z1*z3*z4)/(s12*s234*z12*z34^2) - 
   (6*s24*z1*z3*z4)/(s12^2*z12*z34^2) - (3*s24*z1*z3*z4)/
    (s12*s134*z12*z34^2) - (5*s24*z1*z3*z4)/(s12*s234*z12*z34^2) - 
   (2*s13^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (2*s13^3*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s13^2*z1*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (s13^3*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (4*s13*s14*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (6*s13^2*s14*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s13*s14*z1*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (3*s13^2*s14*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (2*s14^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (6*s13*s14^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s14^2*z1*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (3*s13*s14^2*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (2*s14^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (s14^3*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (2*s13*s23*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13^2*s23*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s13*s23*z1*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (2*s13^2*s23*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (2*s14*s23*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (8*s13*s14*s23*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s14*s23*z1*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (4*s13*s14*s23*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (4*s14^2*s23*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s14^2*s23*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (2*s13*s23^2*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (s13*s23^2*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (2*s14*s23^2*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (s14*s23^2*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (s13*s23*z1*z3*z4)/(s234*s34^2*z12*z34^2) - (s13^2*s23*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (s14*s23*z1*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (2*s13*s14*s23*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (s14^2*s23*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (s23^2*z1*z3*z4)/(s234*s34^2*z12*z34^2) - (2*s13*s23^2*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (2*s14*s23^2*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (s23^3*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (2*s13*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (4*s13^2*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (s13*s24*z1*z3*z4)/(s134*s34^2*z12*z34^2) - (2*s13^2*s24*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (2*s14*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (8*s13*s14*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (s14*s24*z1*z3*z4)/(s134*s34^2*z12*z34^2) - (4*s13*s14*s24*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (4*s14^2*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14^2*s24*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (4*s13*s23*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s13*s23*s24*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (4*s14*s23*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14*s23*s24*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (s13*s24*z1*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (s13^2*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (s14*s24*z1*z3*z4)/(s234*s34^2*z12*z34^2) - (2*s13*s14*s24*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (s14^2*s24*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (2*s23*s24*z1*z3*z4)/
    (s234*s34^2*z12*z34^2) - (4*s13*s23*s24*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (4*s14*s23*s24*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (3*s23^2*s24*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (2*s13*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s13*s24^2*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (2*s14*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s14*s24^2*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (s24^2*z1*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (2*s13*s24^2*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (2*s14*s24^2*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (3*s23*s24^2*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (s24^3*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (6*s13*z1*z3*z4)/(s12*s34*z12*z34^2) - (8*s13^2*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) - (3*s13*z1*z3*z4)/(s134*s34*z12*z34^2) - 
   (4*s13^2*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (6*s14*z1*z3*z4)/(s12*s34*z12*z34^2) - (16*s13*s14*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) - (3*s14*z1*z3*z4)/(s134*s34*z12*z34^2) - 
   (8*s13*s14*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (8*s14^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) - (4*s14^2*z1*z3*z4)/
    (s12*s134*s34*z12*z34^2) - (2*s23*z1*z3*z4)/(s12*s34*z12*z34^2) - 
   (10*s13*s23*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (s23*z1*z3*z4)/(s134*s34*z12*z34^2) - (5*s13*s23*z1*z3*z4)/
    (s12*s134*s34*z12*z34^2) - (10*s14*s23*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (5*s14*s23*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (2*s23^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (s23^2*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (s13*z1*z3*z4)/(s234*s34*z12*z34^2) - (s13^2*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (s14*z1*z3*z4)/(s234*s34*z12*z34^2) - 
   (2*s13*s14*z1*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (s14^2*z1*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (3*s23*z1*z3*z4)/(s234*s34*z12*z34^2) - (5*s13*s23*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (5*s14*s23*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (4*s23^2*z1*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (2*s24*z1*z3*z4)/(s12*s34*z12*z34^2) - (10*s13*s24*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) - (s24*z1*z3*z4)/(s134*s34*z12*z34^2) - 
   (5*s13*s24*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (10*s14*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (5*s14*s24*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (4*s23*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s23*s24*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (3*s24*z1*z3*z4)/(s234*s34*z12*z34^2) - (5*s13*s24*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (5*s14*s24*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (8*s23*s24*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (2*s24^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (s24^2*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (4*s24^2*z1*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (4*s34*z1*z3*z4)/(s12^2*z12*z34^2) - (2*s34*z1*z3*z4)/
    (s12*s134*z12*z34^2) - (2*s34*z1*z3*z4)/(s12*s234*z12*z34^2) + 
   (8*z1*z2*z3*z4)/(s12*z12^2*z34^2) + (16*s13*z1*z2*z3*z4)/
    (s12^2*z12^2*z34^2) + (16*s14*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) + 
   (16*s23*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) + (16*s24*z1*z2*z3*z4)/
    (s12^2*z12^2*z34^2) + (2*s13^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (2*s13^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (4*s13*s14*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13^2*s14*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s14^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13*s14^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s14^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (4*s13*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (4*s14*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (12*s13*s14*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s14^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s23^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s14*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s23^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (4*s13*s24*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13^2*s24*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (4*s14*s24*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (12*s13*s14*s24*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s14^2*s24*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (4*s23*s24*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (12*s13*s23*s24*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (12*s14*s23*s24*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s23^2*s24*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s24^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13*s24^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s14*s24^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s23*s24^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s24^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (8*s13*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + (10*s13^2*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (8*s14*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + 
   (20*s13*s14*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (10*s14^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (8*s23*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + (20*s13*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (20*s14*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (10*s23^2*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (8*s24*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + 
   (20*s13*s24*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (20*s14*s24*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (20*s23*s24*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (10*s24^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (8*s34*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) - (4*z2*z3*z4)/(s12*z12*z34^2) - 
   (6*s13*z2*z3*z4)/(s12^2*z12*z34^2) - (2*z2*z3*z4)/(s134*z12*z34^2) - 
   (5*s13*z2*z3*z4)/(s12*s134*z12*z34^2) - (6*s14*z2*z3*z4)/
    (s12^2*z12*z34^2) - (5*s14*z2*z3*z4)/(s12*s134*z12*z34^2) - 
   (10*s23*z2*z3*z4)/(s12^2*z12*z34^2) - (3*s23*z2*z3*z4)/
    (s12*s134*z12*z34^2) - (2*z2*z3*z4)/(s234*z12*z34^2) - 
   (3*s13*z2*z3*z4)/(s12*s234*z12*z34^2) - (3*s14*z2*z3*z4)/
    (s12*s234*z12*z34^2) - (5*s23*z2*z3*z4)/(s12*s234*z12*z34^2) - 
   (10*s24*z2*z3*z4)/(s12^2*z12*z34^2) - (3*s24*z2*z3*z4)/
    (s12*s134*z12*z34^2) - (5*s24*z2*z3*z4)/(s12*s234*z12*z34^2) - 
   (s13^2*z2*z3*z4)/(s134*s34^2*z12*z34^2) - (s13^3*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (2*s13*s14*z2*z3*z4)/
    (s134*s34^2*z12*z34^2) - (3*s13^2*s14*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (s14^2*z2*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (3*s13*s14^2*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (s14^3*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (2*s13*s23*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (2*s13^2*s23*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s13*s23*z2*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (2*s13^2*s23*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (2*s14*s23*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13*s14*s23*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s14*s23*z2*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (4*s13*s14*s23*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (2*s14^2*s23*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s14^2*s23*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (2*s23^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13*s23^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s13*s23^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (4*s14*s23^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s14*s23^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (2*s23^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (s13*s23*z2*z3*z4)/(s234*s34^2*z12*z34^2) - (s13^2*s23*z2*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (s14*s23*z2*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (2*s13*s14*s23*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (s14^2*s23*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (s23^2*z2*z3*z4)/(s234*s34^2*z12*z34^2) - (2*s13*s23^2*z2*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (2*s14*s23^2*z2*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (s23^3*z2*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (2*s13*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s13^2*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (s13*s24*z2*z3*z4)/(s134*s34^2*z12*z34^2) - (2*s13^2*s24*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (2*s14*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (4*s13*s14*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (s14*s24*z2*z3*z4)/(s134*s34^2*z12*z34^2) - (4*s13*s14*s24*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (2*s14^2*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14^2*s24*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (4*s23*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (8*s13*s23*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s13*s23*s24*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (8*s14*s23*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s14*s23*s24*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (6*s23^2*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (s13*s24*z2*z3*z4)/(s234*s34^2*z12*z34^2) - (s13^2*s24*z2*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (s14*s24*z2*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (2*s13*s14*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (s14^2*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (2*s23*s24*z2*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (4*s13*s23*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (4*s14*s23*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (3*s23^2*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (2*s24^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13*s24^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s13*s24^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (4*s14*s24^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s14*s24^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (6*s23*s24^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s24^2*z2*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (2*s13*s24^2*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (2*s14*s24^2*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (3*s23*s24^2*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (2*s24^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (s24^3*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (2*s13*z2*z3*z4)/(s12*s34*z12*z34^2) - (2*s13^2*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) - (3*s13*z2*z3*z4)/(s134*s34*z12*z34^2) - 
   (4*s13^2*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (2*s14*z2*z3*z4)/(s12*s34*z12*z34^2) - (4*s13*s14*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) - (3*s14*z2*z3*z4)/(s134*s34*z12*z34^2) - 
   (8*s13*s14*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (2*s14^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) - (4*s14^2*z2*z3*z4)/
    (s12*s134*s34*z12*z34^2) - (6*s23*z2*z3*z4)/(s12*s34*z12*z34^2) - 
   (10*s13*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (s23*z2*z3*z4)/(s134*s34*z12*z34^2) - (5*s13*s23*z2*z3*z4)/
    (s12*s134*s34*z12*z34^2) - (10*s14*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (5*s14*s23*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (8*s23^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (s23^2*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (s13*z2*z3*z4)/(s234*s34*z12*z34^2) - (s13^2*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (s14*z2*z3*z4)/(s234*s34*z12*z34^2) - 
   (2*s13*s14*z2*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (s14^2*z2*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (3*s23*z2*z3*z4)/(s234*s34*z12*z34^2) - (5*s13*s23*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (5*s14*s23*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (4*s23^2*z2*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (6*s24*z2*z3*z4)/(s12*s34*z12*z34^2) - (10*s13*s24*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) - (s24*z2*z3*z4)/(s134*s34*z12*z34^2) - 
   (5*s13*s24*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (10*s14*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (5*s14*s24*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (16*s23*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s23*s24*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (3*s24*z2*z3*z4)/(s234*s34*z12*z34^2) - (5*s13*s24*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (5*s14*s24*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (8*s23*s24*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (8*s24^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (s24^2*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (4*s24^2*z2*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (4*s34*z2*z3*z4)/(s12^2*z12*z34^2) - (2*s34*z2*z3*z4)/
    (s12*s134*z12*z34^2) - (2*s34*z2*z3*z4)/(s12*s234*z12*z34^2) - 
   (4*z3^2*z4)/(s12*z12*z34^2) - (2*s13*z3^2*z4)/(s34^2*z12*z34^2) - 
   (2*s13^2*z3^2*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s14*z3^2*z4)/(s34^2*z12*z34^2) - (4*s13*s14*z3^2*z4)/
    (s12*s34^2*z12*z34^2) - (2*s14^2*z3^2*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s23*z3^2*z4)/(s34^2*z12*z34^2) - (4*s13*s23*z3^2*z4)/
    (s12*s34^2*z12*z34^2) - (4*s14*s23*z3^2*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s23^2*z3^2*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s24*z3^2*z4)/(s34^2*z12*z34^2) - (4*s13*s24*z3^2*z4)/
    (s12*s34^2*z12*z34^2) - (4*s14*s24*z3^2*z4)/(s12*s34^2*z12*z34^2) - 
   (4*s23*s24*z3^2*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s24^2*z3^2*z4)/(s12*s34^2*z12*z34^2) - (4*z3^2*z4)/(s34*z12*z34^2) - 
   (6*s13*z3^2*z4)/(s12*s34*z12*z34^2) - (6*s14*z3^2*z4)/
    (s12*s34*z12*z34^2) - (6*s23*z3^2*z4)/(s12*s34*z12*z34^2) - 
   (6*s24*z3^2*z4)/(s12*s34*z12*z34^2) - (3*s13*z4)/(s12^2*z34) - 
   (s13*z4)/(2*s12*s123*z34) - (s13*z4)/(2*s12*s124*z34) - 
   (3*s13^2*z4)/(4*s12^2*s123*z34) - (3*s13^2*z4)/(4*s12^2*s124*z34) - 
   (3*s13*z4)/(s12*s134*z34) - (s13*z4)/(s123*s134*z34) + 
   (s13*z4)/(2*s124*s134*z34) - (2*s13^2*z4)/(s12*s123*s134*z34) + 
   (s13^2*z4)/(s12*s124*s134*z34) - (3*s13*s14*z4)/(4*s12^2*s123*z34) - 
   (3*s13*s14*z4)/(4*s12^2*s124*z34) - (2*s13*s14*z4)/(s12*s123*s134*z34) + 
   (s13*s14*z4)/(s12*s124*s134*z34) - (3*s23*z4)/(s12^2*z34) - 
   (s23*z4)/(2*s12*s123*z34) - (s23*z4)/(2*s12*s124*z34) - 
   (5*s13*s23*z4)/(2*s12^2*s123*z34) - (5*s13*s23*z4)/(2*s12^2*s124*z34) - 
   (2*s23*z4)/(s12*s134*z34) - (s23*z4)/(s123*s134*z34) + 
   (s23*z4)/(2*s124*s134*z34) - (3*s13*s23*z4)/(s12*s123*s134*z34) + 
   (3*s13*s23*z4)/(2*s12*s124*s134*z34) - (5*s14*s23*z4)/(4*s12^2*s123*z34) - 
   (5*s14*s23*z4)/(4*s12^2*s124*z34) - (2*s14*s23*z4)/(s12*s123*s134*z34) + 
   (s14*s23*z4)/(s12*s124*s134*z34) - (3*s23^2*z4)/(4*s12^2*s123*z34) - 
   (3*s23^2*z4)/(4*s12^2*s124*z34) - (s23^2*z4)/(s12*s123*s134*z34) + 
   (s23^2*z4)/(2*s12*s124*s134*z34) - (2*s13*z4)/(s12*s234*z34) + 
   (s13*z4)/(2*s123*s234*z34) - (s13*z4)/(s124*s234*z34) + 
   (s13^2*z4)/(2*s12*s123*s234*z34) - (s13^2*z4)/(s12*s124*s234*z34) - 
   (2*s13*z4)/(s134*s234*z34) + (s13*s14*z4)/(2*s12*s123*s234*z34) - 
   (s13*s14*z4)/(s12*s124*s234*z34) - (3*s23*z4)/(s12*s234*z34) + 
   (s23*z4)/(2*s123*s234*z34) - (s23*z4)/(s124*s234*z34) + 
   (3*s13*s23*z4)/(2*s12*s123*s234*z34) - (3*s13*s23*z4)/
    (s12*s124*s234*z34) - (2*s23*z4)/(s134*s234*z34) + 
   (s14*s23*z4)/(2*s12*s123*s234*z34) - (s14*s23*z4)/(s12*s124*s234*z34) + 
   (s23^2*z4)/(s12*s123*s234*z34) - (2*s23^2*z4)/(s12*s124*s234*z34) - 
   (5*s13*s24*z4)/(4*s12^2*s123*z34) - (5*s13*s24*z4)/(4*s12^2*s124*z34) - 
   (s13*s24*z4)/(s12*s123*s134*z34) + (s13*s24*z4)/(2*s12*s124*s134*z34) - 
   (3*s23*s24*z4)/(4*s12^2*s123*z34) - (3*s23*s24*z4)/(4*s12^2*s124*z34) - 
   (s23*s24*z4)/(s12*s123*s134*z34) + (s23*s24*z4)/(2*s12*s124*s134*z34) + 
   (s13*s24*z4)/(s12*s123*s234*z34) - (2*s13*s24*z4)/(s12*s124*s234*z34) + 
   (s23*s24*z4)/(s12*s123*s234*z34) - (2*s23*s24*z4)/(s12*s124*s234*z34) - 
   (2*s13^2*z4)/(s12*s34^2*z34) - (2*s13^3*z4)/(s12^2*s34^2*z34) - 
   (3*s13^2*z4)/(s134*s34^2*z34) - (3*s13^3*z4)/(s12*s134*s34^2*z34) - 
   (2*s13*s14*z4)/(s12*s34^2*z34) - (4*s13^2*s14*z4)/(s12^2*s34^2*z34) - 
   (3*s13*s14*z4)/(s134*s34^2*z34) - (6*s13^2*s14*z4)/(s12*s134*s34^2*z34) - 
   (2*s13*s14^2*z4)/(s12^2*s34^2*z34) - (3*s13*s14^2*z4)/
    (s12*s134*s34^2*z34) - (6*s13*s23*z4)/(s12*s34^2*z34) - 
   (8*s13^2*s23*z4)/(s12^2*s34^2*z34) - (3*s13*s23*z4)/(s134*s34^2*z34) - 
   (6*s13^2*s23*z4)/(s12*s134*s34^2*z34) - (3*s14*s23*z4)/(s12*s34^2*z34) - 
   (11*s13*s14*s23*z4)/(s12^2*s34^2*z34) - 
   (3*s14*s23*z4)/(2*s134*s34^2*z34) - (15*s13*s14*s23*z4)/
    (2*s12*s134*s34^2*z34) - (3*s14^2*s23*z4)/(s12^2*s34^2*z34) - 
   (3*s14^2*s23*z4)/(2*s12*s134*s34^2*z34) - (2*s23^2*z4)/(s12*s34^2*z34) - 
   (8*s13*s23^2*z4)/(s12^2*s34^2*z34) - (3*s13*s23^2*z4)/
    (s12*s134*s34^2*z34) - (5*s14*s23^2*z4)/(s12^2*s34^2*z34) - 
   (3*s14*s23^2*z4)/(2*s12*s134*s34^2*z34) - (2*s23^3*z4)/(s12^2*s34^2*z34) - 
   (3*s13*s23*z4)/(s234*s34^2*z34) - (3*s13^2*s23*z4)/(s12*s234*s34^2*z34) - 
   (4*s12*s13*s23*z4)/(s134*s234*s34^2*z34) - 
   (4*s13^2*s23*z4)/(s134*s234*s34^2*z34) - 
   (3*s14*s23*z4)/(2*s234*s34^2*z34) - (9*s13*s14*s23*z4)/
    (2*s12*s234*s34^2*z34) - (2*s12*s14*s23*z4)/(s134*s234*s34^2*z34) - 
   (6*s13*s14*s23*z4)/(s134*s234*s34^2*z34) - 
   (3*s14^2*s23*z4)/(2*s12*s234*s34^2*z34) - (2*s14^2*s23*z4)/
    (s134*s234*s34^2*z34) - (3*s23^2*z4)/(s234*s34^2*z34) - 
   (6*s13*s23^2*z4)/(s12*s234*s34^2*z34) - (4*s13*s23^2*z4)/
    (s134*s234*s34^2*z34) - (9*s14*s23^2*z4)/(2*s12*s234*s34^2*z34) - 
   (2*s14*s23^2*z4)/(s134*s234*s34^2*z34) - 
   (3*s23^3*z4)/(s12*s234*s34^2*z34) - (3*s13*s24*z4)/(s12*s34^2*z34) - 
   (5*s13^2*s24*z4)/(s12^2*s34^2*z34) - (3*s13*s24*z4)/(2*s134*s34^2*z34) - 
   (9*s13^2*s24*z4)/(2*s12*s134*s34^2*z34) - (5*s13*s14*s24*z4)/
    (s12^2*s34^2*z34) - (9*s13*s14*s24*z4)/(2*s12*s134*s34^2*z34) - 
   (2*s23*s24*z4)/(s12*s34^2*z34) - (11*s13*s23*s24*z4)/(s12^2*s34^2*z34) - 
   (9*s13*s23*s24*z4)/(2*s12*s134*s34^2*z34) - 
   (5*s14*s23*s24*z4)/(s12^2*s34^2*z34) - (3*s14*s23*s24*z4)/
    (2*s12*s134*s34^2*z34) - (4*s23^2*s24*z4)/(s12^2*s34^2*z34) - 
   (3*s13*s24*z4)/(2*s234*s34^2*z34) - (3*s13^2*s24*z4)/
    (2*s12*s234*s34^2*z34) - (2*s12*s13*s24*z4)/(s134*s234*s34^2*z34) - 
   (2*s13^2*s24*z4)/(s134*s234*s34^2*z34) - (3*s13*s14*s24*z4)/
    (2*s12*s234*s34^2*z34) - (2*s13*s14*s24*z4)/(s134*s234*s34^2*z34) - 
   (3*s23*s24*z4)/(s234*s34^2*z34) - (15*s13*s23*s24*z4)/
    (2*s12*s234*s34^2*z34) - (6*s13*s23*s24*z4)/(s134*s234*s34^2*z34) - 
   (9*s14*s23*s24*z4)/(2*s12*s234*s34^2*z34) - 
   (2*s14*s23*s24*z4)/(s134*s234*s34^2*z34) - 
   (6*s23^2*s24*z4)/(s12*s234*s34^2*z34) - (3*s13*s24^2*z4)/
    (s12^2*s34^2*z34) - (3*s13*s24^2*z4)/(2*s12*s134*s34^2*z34) - 
   (2*s23*s24^2*z4)/(s12^2*s34^2*z34) - (3*s13*s24^2*z4)/
    (2*s12*s234*s34^2*z34) - (2*s13*s24^2*z4)/(s134*s234*s34^2*z34) - 
   (3*s23*s24^2*z4)/(s12*s234*s34^2*z34) - (3*s13*z4)/(s12*s34*z34) - 
   (5*s13^2*z4)/(s12^2*s34*z34) - (s13^2*z4)/(4*s12*s123*s34*z34) - 
   (s13^2*z4)/(4*s12*s124*s34*z34) - (s13^3*z4)/(4*s12^2*s123*s34*z34) - 
   (s13^3*z4)/(4*s12^2*s124*s34*z34) - (3*s13*z4)/(s134*s34*z34) - 
   (6*s13^2*z4)/(s12*s134*s34*z34) - (s13^2*z4)/(s123*s134*s34*z34) + 
   (s13^2*z4)/(2*s124*s134*s34*z34) - (s13^3*z4)/(s12*s123*s134*s34*z34) + 
   (s13^3*z4)/(2*s12*s124*s134*s34*z34) - (5*s13*s14*z4)/(s12^2*s34*z34) - 
   (s13*s14*z4)/(4*s12*s123*s34*z34) - (s13*s14*z4)/(4*s12*s124*s34*z34) - 
   (s13^2*s14*z4)/(2*s12^2*s123*s34*z34) - 
   (s13^2*s14*z4)/(2*s12^2*s124*s34*z34) - 
   (6*s13*s14*z4)/(s12*s134*s34*z34) - (s13*s14*z4)/(s123*s134*s34*z34) + 
   (s13*s14*z4)/(2*s124*s134*s34*z34) - (2*s13^2*s14*z4)/
    (s12*s123*s134*s34*z34) + (s13^2*s14*z4)/(s12*s124*s134*s34*z34) - 
   (s13*s14^2*z4)/(4*s12^2*s123*s34*z34) - 
   (s13*s14^2*z4)/(4*s12^2*s124*s34*z34) - 
   (s13*s14^2*z4)/(s12*s123*s134*s34*z34) + 
   (s13*s14^2*z4)/(2*s12*s124*s134*s34*z34) - (3*s23*z4)/(s12*s34*z34) - 
   (12*s13*s23*z4)/(s12^2*s34*z34) - (3*s13*s23*z4)/(2*s12*s123*s34*z34) - 
   (3*s13*s23*z4)/(2*s12*s124*s34*z34) - (7*s13^2*s23*z4)/
    (4*s12^2*s123*s34*z34) - (7*s13^2*s23*z4)/(4*s12^2*s124*s34*z34) - 
   (2*s23*z4)/(s134*s34*z34) - (8*s13*s23*z4)/(s12*s134*s34*z34) - 
   (s13*s23*z4)/(s123*s134*s34*z34) + (s13*s23*z4)/(2*s124*s134*s34*z34) - 
   (2*s13^2*s23*z4)/(s12*s123*s134*s34*z34) + 
   (s13^2*s23*z4)/(s12*s124*s134*s34*z34) - (6*s14*s23*z4)/(s12^2*s34*z34) - 
   (3*s14*s23*z4)/(4*s12*s123*s34*z34) - (3*s14*s23*z4)/
    (4*s12*s124*s34*z34) - (5*s13*s14*s23*z4)/(2*s12^2*s123*s34*z34) - 
   (5*s13*s14*s23*z4)/(2*s12^2*s124*s34*z34) - 
   (7*s14*s23*z4)/(2*s12*s134*s34*z34) - (s14*s23*z4)/(s123*s134*s34*z34) + 
   (s14*s23*z4)/(2*s124*s134*s34*z34) - (3*s13*s14*s23*z4)/
    (s12*s123*s134*s34*z34) + (3*s13*s14*s23*z4)/(2*s12*s124*s134*s34*z34) - 
   (3*s14^2*s23*z4)/(4*s12^2*s123*s34*z34) - (3*s14^2*s23*z4)/
    (4*s12^2*s124*s34*z34) - (s14^2*s23*z4)/(s12*s123*s134*s34*z34) + 
   (s14^2*s23*z4)/(2*s12*s124*s134*s34*z34) - (5*s23^2*z4)/(s12^2*s34*z34) - 
   (s23^2*z4)/(4*s12*s123*s34*z34) - (s23^2*z4)/(4*s12*s124*s34*z34) - 
   (7*s13*s23^2*z4)/(4*s12^2*s123*s34*z34) - (7*s13*s23^2*z4)/
    (4*s12^2*s124*s34*z34) - (2*s23^2*z4)/(s12*s134*s34*z34) - 
   (s13*s23^2*z4)/(s12*s123*s134*s34*z34) + 
   (s13*s23^2*z4)/(2*s12*s124*s134*s34*z34) - 
   (s14*s23^2*z4)/(s12^2*s123*s34*z34) - (s14*s23^2*z4)/
    (s12^2*s124*s34*z34) - (s14*s23^2*z4)/(s12*s123*s134*s34*z34) + 
   (s14*s23^2*z4)/(2*s12*s124*s134*s34*z34) - 
   (s23^3*z4)/(4*s12^2*s123*s34*z34) - (s23^3*z4)/(4*s12^2*s124*s34*z34) - 
   (2*s13*z4)/(s234*s34*z34) - (2*s13^2*z4)/(s12*s234*s34*z34) - 
   (2*s12*s13*z4)/(s134*s234*s34*z34) - (2*s13^2*z4)/(s134*s234*s34*z34) - 
   (2*s13*s14*z4)/(s12*s234*s34*z34) - (2*s13*s14*z4)/(s134*s234*s34*z34) - 
   (3*s23*z4)/(s234*s34*z34) - (8*s13*s23*z4)/(s12*s234*s34*z34) + 
   (s13*s23*z4)/(2*s123*s234*s34*z34) - (s13*s23*z4)/(s124*s234*s34*z34) + 
   (s13^2*s23*z4)/(2*s12*s123*s234*s34*z34) - 
   (s13^2*s23*z4)/(s12*s124*s234*s34*z34) - 
   (2*s12*s23*z4)/(s134*s234*s34*z34) - (8*s13*s23*z4)/(s134*s234*s34*z34) - 
   (9*s14*s23*z4)/(2*s12*s234*s34*z34) + (s13*s14*s23*z4)/
    (2*s12*s123*s234*s34*z34) - (s13*s14*s23*z4)/(s12*s124*s234*s34*z34) - 
   (4*s14*s23*z4)/(s134*s234*s34*z34) - (6*s23^2*z4)/(s12*s234*s34*z34) + 
   (s23^2*z4)/(2*s123*s234*s34*z34) - (s23^2*z4)/(s124*s234*s34*z34) + 
   (s13*s23^2*z4)/(s12*s123*s234*s34*z34) - (2*s13*s23^2*z4)/
    (s12*s124*s234*s34*z34) - (2*s23^2*z4)/(s134*s234*s34*z34) + 
   (s14*s23^2*z4)/(2*s12*s123*s234*s34*z34) - 
   (s14*s23^2*z4)/(s12*s124*s234*s34*z34) + 
   (s23^3*z4)/(2*s12*s123*s234*s34*z34) - 
   (s23^3*z4)/(s12*s124*s234*s34*z34) - (6*s13*s24*z4)/(s12^2*s34*z34) - 
   (3*s13*s24*z4)/(4*s12*s123*s34*z34) - (3*s13*s24*z4)/
    (4*s12*s124*s34*z34) - (s13^2*s24*z4)/(s12^2*s123*s34*z34) - 
   (s13^2*s24*z4)/(s12^2*s124*s34*z34) - (9*s13*s24*z4)/
    (2*s12*s134*s34*z34) - (s13^2*s24*z4)/(s12*s123*s134*s34*z34) + 
   (s13^2*s24*z4)/(2*s12*s124*s134*s34*z34) - 
   (s13*s14*s24*z4)/(s12^2*s123*s34*z34) - (s13*s14*s24*z4)/
    (s12^2*s124*s34*z34) - (s13*s14*s24*z4)/(s12*s123*s134*s34*z34) + 
   (s13*s14*s24*z4)/(2*s12*s124*s134*s34*z34) - 
   (5*s23*s24*z4)/(s12^2*s34*z34) - (s23*s24*z4)/(4*s12*s123*s34*z34) - 
   (s23*s24*z4)/(4*s12*s124*s34*z34) - (5*s13*s23*s24*z4)/
    (2*s12^2*s123*s34*z34) - (5*s13*s23*s24*z4)/(2*s12^2*s124*s34*z34) - 
   (2*s23*s24*z4)/(s12*s134*s34*z34) - (s13*s23*s24*z4)/
    (s12*s123*s134*s34*z34) + (s13*s23*s24*z4)/(2*s12*s124*s134*s34*z34) - 
   (s14*s23*s24*z4)/(s12^2*s123*s34*z34) - (s14*s23*s24*z4)/
    (s12^2*s124*s34*z34) - (s14*s23*s24*z4)/(s12*s123*s134*s34*z34) + 
   (s14*s23*s24*z4)/(2*s12*s124*s134*s34*z34) - 
   (s23^2*s24*z4)/(2*s12^2*s123*s34*z34) - 
   (s23^2*s24*z4)/(2*s12^2*s124*s34*z34) - 
   (7*s13*s24*z4)/(2*s12*s234*s34*z34) + (s13*s24*z4)/(2*s123*s234*s34*z34) - 
   (s13*s24*z4)/(s124*s234*s34*z34) + (s13^2*s24*z4)/
    (2*s12*s123*s234*s34*z34) - (s13^2*s24*z4)/(s12*s124*s234*s34*z34) - 
   (4*s13*s24*z4)/(s134*s234*s34*z34) + (s13*s14*s24*z4)/
    (2*s12*s123*s234*s34*z34) - (s13*s14*s24*z4)/(s12*s124*s234*s34*z34) - 
   (6*s23*s24*z4)/(s12*s234*s34*z34) + (s23*s24*z4)/(2*s123*s234*s34*z34) - 
   (s23*s24*z4)/(s124*s234*s34*z34) + (3*s13*s23*s24*z4)/
    (2*s12*s123*s234*s34*z34) - (3*s13*s23*s24*z4)/(s12*s124*s234*s34*z34) - 
   (2*s23*s24*z4)/(s134*s234*s34*z34) + (s14*s23*s24*z4)/
    (2*s12*s123*s234*s34*z34) - (s14*s23*s24*z4)/(s12*s124*s234*s34*z34) + 
   (s23^2*s24*z4)/(s12*s123*s234*s34*z34) - (2*s23^2*s24*z4)/
    (s12*s124*s234*s34*z34) - (3*s13*s24^2*z4)/(4*s12^2*s123*s34*z34) - 
   (3*s13*s24^2*z4)/(4*s12^2*s124*s34*z34) - 
   (s23*s24^2*z4)/(4*s12^2*s123*s34*z34) - 
   (s23*s24^2*z4)/(4*s12^2*s124*s34*z34) + 
   (s13*s24^2*z4)/(2*s12*s123*s234*s34*z34) - 
   (s13*s24^2*z4)/(s12*s124*s234*s34*z34) + 
   (s23*s24^2*z4)/(2*s12*s123*s234*s34*z34) - 
   (s23*s24^2*z4)/(s12*s124*s234*s34*z34) - (s13*s34*z4)/(2*s12^2*s123*z34) - 
   (s13*s34*z4)/(2*s12^2*s124*z34) - (s13*s34*z4)/(s12*s123*s134*z34) + 
   (s13*s34*z4)/(2*s12*s124*s134*z34) - (s23*s34*z4)/(2*s12^2*s123*z34) - 
   (s23*s34*z4)/(2*s12^2*s124*z34) - (s23*s34*z4)/(s12*s123*s134*z34) + 
   (s23*s34*z4)/(2*s12*s124*s134*z34) + (s13*s34*z4)/(2*s12*s123*s234*z34) - 
   (s13*s34*z4)/(s12*s124*s234*z34) + (s23*s34*z4)/(2*s12*s123*s234*z34) - 
   (s23*s34*z4)/(s12*s124*s234*z34) - (z1*z4)/(s12*z12*z34) + 
   (3*s13*z1*z4)/(s12^2*z12*z34) + (s13*z1*z4)/(2*s12*s123*z12*z34) + 
   (s13*z1*z4)/(2*s12*s124*z12*z34) + (3*s13^2*z1*z4)/
    (4*s12^2*s123*z12*z34) + (3*s13^2*z1*z4)/(4*s12^2*s124*z12*z34) - 
   (z1*z4)/(2*s134*z12*z34) + (3*s13*z1*z4)/(4*s12*s134*z12*z34) + 
   (3*s13*s14*z1*z4)/(4*s12^2*s123*z12*z34) + 
   (3*s13*s14*z1*z4)/(4*s12^2*s124*z12*z34) - 
   (3*s14*z1*z4)/(4*s12*s134*z12*z34) + (s23*z1*z4)/(s12^2*z12*z34) - 
   (s23*z1*z4)/(2*s12*s123*z12*z34) - (s23*z1*z4)/(2*s12*s124*z12*z34) - 
   (s23*z1*z4)/(4*s12*s134*z12*z34) - (3*s14*s23*z1*z4)/
    (4*s12^2*s123*z12*z34) - (3*s14*s23*z1*z4)/(4*s12^2*s124*z12*z34) - 
   (3*s23^2*z1*z4)/(4*s12^2*s123*z12*z34) - (3*s23^2*z1*z4)/
    (4*s12^2*s124*z12*z34) + (z1*z4)/(2*s234*z12*z34) + 
   (5*s13*z1*z4)/(4*s12*s234*z12*z34) + (3*s14*z1*z4)/(4*s12*s234*z12*z34) + 
   (9*s23*z1*z4)/(4*s12*s234*z12*z34) + (3*s13*s24*z1*z4)/
    (4*s12^2*s123*z12*z34) + (3*s13*s24*z1*z4)/(4*s12^2*s124*z12*z34) - 
   (3*s24*z1*z4)/(4*s12*s134*z12*z34) - (3*s23*s24*z1*z4)/
    (4*s12^2*s123*z12*z34) - (3*s23*s24*z1*z4)/(4*s12^2*s124*z12*z34) + 
   (3*s24*z1*z4)/(4*s12*s234*z12*z34) + (2*s13^2*z1*z4)/(s12*s34^2*z12*z34) + 
   (2*s13^3*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s13^2*z1*z4)/(s134*s34^2*z12*z34) + (s13^3*z1*z4)/
    (s12*s134*s34^2*z12*z34) + (2*s13*s14*z1*z4)/(s12*s34^2*z12*z34) + 
   (4*s13^2*s14*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s14*z1*z4)/(s134*s34^2*z12*z34) + (2*s13^2*s14*z1*z4)/
    (s12*s134*s34^2*z12*z34) + (2*s13*s14^2*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s14^2*z1*z4)/(s12*s134*s34^2*z12*z34) + 
   (2*s13*s23*z1*z4)/(s12*s34^2*z12*z34) + (4*s13^2*s23*z1*z4)/
    (s12^2*s34^2*z12*z34) + (s13*s23*z1*z4)/(s134*s34^2*z12*z34) + 
   (2*s13^2*s23*z1*z4)/(s12*s134*s34^2*z12*z34) + 
   (s14*s23*z1*z4)/(s12*s34^2*z12*z34) + (5*s13*s14*s23*z1*z4)/
    (s12^2*s34^2*z12*z34) + (s14*s23*z1*z4)/(2*s134*s34^2*z12*z34) + 
   (5*s13*s14*s23*z1*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*s23*z1*z4)/(s12^2*s34^2*z12*z34) + (s14^2*s23*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (2*s13*s23^2*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s23^2*z1*z4)/(s12*s134*s34^2*z12*z34) + 
   (s14*s23^2*z1*z4)/(s12^2*s34^2*z12*z34) + (s14*s23^2*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s13*s23*z1*z4)/(s234*s34^2*z12*z34) + 
   (s13^2*s23*z1*z4)/(s12*s234*s34^2*z12*z34) + 
   (s14*s23*z1*z4)/(2*s234*s34^2*z12*z34) + (3*s13*s14*s23*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s23*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s23^2*z1*z4)/(s234*s34^2*z12*z34) + 
   (2*s13*s23^2*z1*z4)/(s12*s234*s34^2*z12*z34) + 
   (3*s14*s23^2*z1*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s23^3*z1*z4)/(s12*s234*s34^2*z12*z34) + (s13*s24*z1*z4)/
    (s12*s34^2*z12*z34) + (3*s13^2*s24*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s24*z1*z4)/(2*s134*s34^2*z12*z34) + (3*s13^2*s24*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (3*s13*s14*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) + (3*s13*s14*s24*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (3*s13*s23*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) + (3*s13*s23*s24*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s23*s24*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s14*s23*s24*z1*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s13*s24*z1*z4)/(2*s234*s34^2*z12*z34) + (s13^2*s24*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s14*s24*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s23*s24*z1*z4)/(s234*s34^2*z12*z34) + 
   (5*s13*s23*s24*z1*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (3*s14*s23*s24*z1*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (2*s23^2*s24*z1*z4)/(s12*s234*s34^2*z12*z34) + 
   (s13*s24^2*z1*z4)/(s12^2*s34^2*z12*z34) + (s13*s24^2*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s13*s24^2*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s23*s24^2*z1*z4)/(s12*s234*s34^2*z12*z34) - 
   (z1*z4)/(s34*z12*z34) + (2*s13*z1*z4)/(s12*s34*z12*z34) + 
   (5*s13^2*z1*z4)/(s12^2*s34*z12*z34) + (s13^2*z1*z4)/
    (4*s12*s123*s34*z12*z34) + (s13^2*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^3*z1*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^3*z1*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (5*s13*z1*z4)/(4*s134*s34*z12*z34) + (9*s13^2*z1*z4)/
    (4*s12*s134*s34*z12*z34) - (s14*z1*z4)/(s12*s34*z12*z34) + 
   (5*s13*s14*z1*z4)/(s12^2*s34*z12*z34) + (s13*s14*z1*z4)/
    (4*s12*s123*s34*z12*z34) + (s13*s14*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s14*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z1*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s14*z1*z4)/(4*s134*s34*z12*z34) + (2*s13*s14*z1*z4)/
    (s12*s134*s34*z12*z34) + (s13*s14^2*z1*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s13*s14^2*z1*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (s14^2*z1*z4)/(4*s12*s134*s34*z12*z34) + (6*s13*s23*z1*z4)/
    (s12^2*s34*z12*z34) + (s13^2*s23*z1*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s23*z1*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s23*z1*z4)/(4*s134*s34*z12*z34) + (5*s13*s23*z1*z4)/
    (2*s12*s134*s34*z12*z34) + (2*s14*s23*z1*z4)/(s12^2*s34*z12*z34) - 
   (s14*s23*z1*z4)/(4*s12*s123*s34*z12*z34) - 
   (s14*s23*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s14*s23*z1*z4)/(2*s12*s134*s34*z12*z34) - 
   (s14^2*s23*z1*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^2*s23*z1*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s23^2*z1*z4)/(s12^2*s34*z12*z34) - (s23^2*z1*z4)/
    (4*s12*s123*s34*z12*z34) - (s23^2*z1*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13*s23^2*z1*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s13*s23^2*z1*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s23^2*z1*z4)/(4*s12*s134*s34*z12*z34) - (s14*s23^2*z1*z4)/
    (2*s12^2*s123*s34*z12*z34) - (s14*s23^2*z1*z4)/
    (2*s12^2*s124*s34*z12*z34) - (s23^3*z1*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s23^3*z1*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (3*s13*z1*z4)/(4*s234*s34*z12*z34) + (3*s13^2*z1*z4)/
    (4*s12*s234*s34*z12*z34) + (s14*z1*z4)/(4*s234*s34*z12*z34) + 
   (s13*s14*z1*z4)/(s12*s234*s34*z12*z34) + 
   (s14^2*z1*z4)/(4*s12*s234*s34*z12*z34) + 
   (7*s23*z1*z4)/(4*s234*s34*z12*z34) + (7*s13*s23*z1*z4)/
    (2*s12*s234*s34*z12*z34) + (5*s14*s23*z1*z4)/(2*s12*s234*s34*z12*z34) + 
   (11*s23^2*z1*z4)/(4*s12*s234*s34*z12*z34) - 
   (s24*z1*z4)/(s12*s34*z12*z34) + (4*s13*s24*z1*z4)/(s12^2*s34*z12*z34) + 
   (s13*s24*z1*z4)/(4*s12*s123*s34*z12*z34) + 
   (s13*s24*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s24*z1*z4)/(4*s134*s34*z12*z34) + (3*s13*s24*z1*z4)/
    (2*s12*s134*s34*z12*z34) + (s13*s14*s24*z1*z4)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s14*s24*z1*z4)/
    (2*s12^2*s124*s34*z12*z34) - (s14*s24*z1*z4)/(2*s12*s134*s34*z12*z34) + 
   (s23*s24*z1*z4)/(s12^2*s34*z12*z34) - (s23*s24*z1*z4)/
    (4*s12*s123*s34*z12*z34) - (s23*s24*z1*z4)/(4*s12*s124*s34*z12*z34) - 
   (s14*s23*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s14*s23*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s23^2*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s23^2*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s24*z1*z4)/(4*s234*s34*z12*z34) + (3*s13*s24*z1*z4)/
    (2*s12*s234*s34*z12*z34) + (s14*s24*z1*z4)/(2*s12*s234*s34*z12*z34) + 
   (3*s23*s24*z1*z4)/(s12*s234*s34*z12*z34) + 
   (s13*s24^2*z1*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s13*s24^2*z1*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (s24^2*z1*z4)/(4*s12*s134*s34*z12*z34) - (s23*s24^2*z1*z4)/
    (4*s12^2*s123*s34*z12*z34) - (s23*s24^2*z1*z4)/
    (4*s12^2*s124*s34*z12*z34) + (s24^2*z1*z4)/(4*s12*s234*s34*z12*z34) + 
   (s13*s34*z1*z4)/(2*s12^2*s123*z12*z34) + (s13*s34*z1*z4)/
    (2*s12^2*s124*z12*z34) - (s34*z1*z4)/(2*s12*s134*z12*z34) - 
   (s23*s34*z1*z4)/(2*s12^2*s123*z12*z34) - (s23*s34*z1*z4)/
    (2*s12^2*s124*z12*z34) + (s34*z1*z4)/(2*s12*s234*z12*z34) - 
   (4*s13*z1*z2*z4)/(s12^2*z12^2*z34) - (4*s23*z1*z2*z4)/(s12^2*z12^2*z34) - 
   (2*s13^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) - (2*s13^3*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (2*s13*s14*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (4*s13^2*s14*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s13*s14^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (4*s13*s23*z1*z2*z4)/(s12*s34^2*z12^2*z34) - (6*s13^2*s23*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (2*s14*s23*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (8*s13*s14*s23*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s14^2*s23*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s23^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) - (6*s13*s23^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (4*s14*s23^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (2*s23^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s13*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) - (4*s13^2*s24*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (4*s13*s14*s24*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (2*s23*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (8*s13*s23*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (4*s14*s23*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (4*s23^2*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s13*s24^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s23*s24^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (4*s13*z1*z2*z4)/(s12*s34*z12^2*z34) - (6*s13^2*z1*z2*z4)/
    (s12^2*s34*z12^2*z34) - (6*s13*s14*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (4*s23*z1*z2*z4)/(s12*s34*z12^2*z34) - (12*s13*s23*z1*z2*z4)/
    (s12^2*s34*z12^2*z34) - (6*s14*s23*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (6*s23^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) - (6*s13*s24*z1*z2*z4)/
    (s12^2*s34*z12^2*z34) - (6*s23*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (z2*z4)/(s12*z12*z34) + (s13*z2*z4)/(s12^2*z12*z34) - 
   (s13*z2*z4)/(2*s12*s123*z12*z34) - (s13*z2*z4)/(2*s12*s124*z12*z34) - 
   (3*s13^2*z2*z4)/(4*s12^2*s123*z12*z34) - (3*s13^2*z2*z4)/
    (4*s12^2*s124*z12*z34) + (z2*z4)/(2*s134*z12*z34) + 
   (9*s13*z2*z4)/(4*s12*s134*z12*z34) - (3*s13*s14*z2*z4)/
    (4*s12^2*s123*z12*z34) - (3*s13*s14*z2*z4)/(4*s12^2*s124*z12*z34) + 
   (3*s14*z2*z4)/(4*s12*s134*z12*z34) + (3*s23*z2*z4)/(s12^2*z12*z34) + 
   (s23*z2*z4)/(2*s12*s123*z12*z34) + (s23*z2*z4)/(2*s12*s124*z12*z34) + 
   (5*s23*z2*z4)/(4*s12*s134*z12*z34) + (3*s14*s23*z2*z4)/
    (4*s12^2*s123*z12*z34) + (3*s14*s23*z2*z4)/(4*s12^2*s124*z12*z34) + 
   (3*s23^2*z2*z4)/(4*s12^2*s123*z12*z34) + (3*s23^2*z2*z4)/
    (4*s12^2*s124*z12*z34) - (z2*z4)/(2*s234*z12*z34) - 
   (s13*z2*z4)/(4*s12*s234*z12*z34) - (3*s14*z2*z4)/(4*s12*s234*z12*z34) + 
   (3*s23*z2*z4)/(4*s12*s234*z12*z34) - (3*s13*s24*z2*z4)/
    (4*s12^2*s123*z12*z34) - (3*s13*s24*z2*z4)/(4*s12^2*s124*z12*z34) + 
   (3*s24*z2*z4)/(4*s12*s134*z12*z34) + (3*s23*s24*z2*z4)/
    (4*s12^2*s123*z12*z34) + (3*s23*s24*z2*z4)/(4*s12^2*s124*z12*z34) - 
   (3*s24*z2*z4)/(4*s12*s234*z12*z34) + (s13^2*z2*z4)/(s134*s34^2*z12*z34) + 
   (s13^3*z2*z4)/(s12*s134*s34^2*z12*z34) + (s13*s14*z2*z4)/
    (s134*s34^2*z12*z34) + (2*s13^2*s14*z2*z4)/(s12*s134*s34^2*z12*z34) + 
   (s13*s14^2*z2*z4)/(s12*s134*s34^2*z12*z34) + 
   (2*s13*s23*z2*z4)/(s12*s34^2*z12*z34) + (2*s13^2*s23*z2*z4)/
    (s12^2*s34^2*z12*z34) + (s13*s23*z2*z4)/(s134*s34^2*z12*z34) + 
   (2*s13^2*s23*z2*z4)/(s12*s134*s34^2*z12*z34) + 
   (s14*s23*z2*z4)/(s12*s34^2*z12*z34) + (3*s13*s14*s23*z2*z4)/
    (s12^2*s34^2*z12*z34) + (s14*s23*z2*z4)/(2*s134*s34^2*z12*z34) + 
   (5*s13*s14*s23*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*s23*z2*z4)/(s12^2*s34^2*z12*z34) + (s14^2*s23*z2*z4)/
    (2*s12*s134*s34^2*z12*z34) + (2*s23^2*z2*z4)/(s12*s34^2*z12*z34) + 
   (4*s13*s23^2*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s23^2*z2*z4)/(s12*s134*s34^2*z12*z34) + 
   (3*s14*s23^2*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s14*s23^2*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (2*s23^3*z2*z4)/(s12^2*s34^2*z12*z34) + (s13*s23*z2*z4)/
    (s234*s34^2*z12*z34) + (s13^2*s23*z2*z4)/(s12*s234*s34^2*z12*z34) + 
   (s14*s23*z2*z4)/(2*s234*s34^2*z12*z34) + (3*s13*s14*s23*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s23*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s23^2*z2*z4)/(s234*s34^2*z12*z34) + 
   (2*s13*s23^2*z2*z4)/(s12*s234*s34^2*z12*z34) + 
   (3*s14*s23^2*z2*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s23^3*z2*z4)/(s12*s234*s34^2*z12*z34) + (s13*s24*z2*z4)/
    (s12*s34^2*z12*z34) + (s13^2*s24*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s24*z2*z4)/(2*s134*s34^2*z12*z34) + (3*s13^2*s24*z2*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s13*s14*s24*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (3*s13*s14*s24*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (2*s23*s24*z2*z4)/(s12*s34^2*z12*z34) + (5*s13*s23*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) + (3*s13*s23*s24*z2*z4)/
    (2*s12*s134*s34^2*z12*z34) + (3*s14*s23*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) + (s14*s23*s24*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (4*s23^2*s24*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s24*z2*z4)/(2*s234*s34^2*z12*z34) + (s13^2*s24*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s14*s24*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s23*s24*z2*z4)/(s234*s34^2*z12*z34) + 
   (5*s13*s23*s24*z2*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (3*s14*s23*s24*z2*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (2*s23^2*s24*z2*z4)/(s12*s234*s34^2*z12*z34) + 
   (s13*s24^2*z2*z4)/(s12^2*s34^2*z12*z34) + (s13*s24^2*z2*z4)/
    (2*s12*s134*s34^2*z12*z34) + (2*s23*s24^2*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s24^2*z2*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s23*s24^2*z2*z4)/(s12*s234*s34^2*z12*z34) - (z2*z4)/(s34*z12*z34) + 
   (s13^2*z2*z4)/(s12^2*s34*z12*z34) - (s13^2*z2*z4)/
    (4*s12*s123*s34*z12*z34) - (s13^2*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13^3*z2*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^3*z2*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (7*s13*z2*z4)/(4*s134*s34*z12*z34) + (11*s13^2*z2*z4)/
    (4*s12*s134*s34*z12*z34) - (s14*z2*z4)/(s12*s34*z12*z34) + 
   (s13*s14*z2*z4)/(s12^2*s34*z12*z34) - (s13*s14*z2*z4)/
    (4*s12*s123*s34*z12*z34) - (s13*s14*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s14*z2*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s14*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*z2*z4)/(4*s134*s34*z12*z34) + (3*s13*s14*z2*z4)/
    (s12*s134*s34*z12*z34) - (s13*s14^2*z2*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s13*s14^2*z2*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s14^2*z2*z4)/(4*s12*s134*s34*z12*z34) + (2*s23*z2*z4)/(s12*s34*z12*z34) + 
   (6*s13*s23*z2*z4)/(s12^2*s34*z12*z34) - (s13^2*s23*z2*z4)/
    (4*s12^2*s123*s34*z12*z34) - (s13^2*s23*z2*z4)/
    (4*s12^2*s124*s34*z12*z34) + (3*s23*z2*z4)/(4*s134*s34*z12*z34) + 
   (7*s13*s23*z2*z4)/(2*s12*s134*s34*z12*z34) + 
   (4*s14*s23*z2*z4)/(s12^2*s34*z12*z34) + (s14*s23*z2*z4)/
    (4*s12*s123*s34*z12*z34) + (s14*s23*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (3*s14*s23*z2*z4)/(2*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z2*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z2*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (5*s23^2*z2*z4)/(s12^2*s34*z12*z34) + (s23^2*z2*z4)/
    (4*s12*s123*s34*z12*z34) + (s23^2*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13*s23^2*z2*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s13*s23^2*z2*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (3*s23^2*z2*z4)/(4*s12*s134*s34*z12*z34) + 
   (s14*s23^2*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23^2*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^3*z2*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s23^3*z2*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s13*z2*z4)/(4*s234*s34*z12*z34) + (s13^2*z2*z4)/
    (4*s12*s234*s34*z12*z34) - (s14*z2*z4)/(4*s234*s34*z12*z34) - 
   (s14^2*z2*z4)/(4*s12*s234*s34*z12*z34) + 
   (5*s23*z2*z4)/(4*s234*s34*z12*z34) + (5*s13*s23*z2*z4)/
    (2*s12*s234*s34*z12*z34) + (3*s14*s23*z2*z4)/(2*s12*s234*s34*z12*z34) + 
   (9*s23^2*z2*z4)/(4*s12*s234*s34*z12*z34) - (s24*z2*z4)/(s12*s34*z12*z34) + 
   (2*s13*s24*z2*z4)/(s12^2*s34*z12*z34) - (s13*s24*z2*z4)/
    (4*s12*s123*s34*z12*z34) - (s13*s24*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s24*z2*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s24*z2*z4)/(4*s134*s34*z12*z34) + (5*s13*s24*z2*z4)/
    (2*s12*s134*s34*z12*z34) - (s13*s14*s24*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s14*s24*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s24*z2*z4)/(2*s12*s134*s34*z12*z34) + 
   (5*s23*s24*z2*z4)/(s12^2*s34*z12*z34) + (s23*s24*z2*z4)/
    (4*s12*s123*s34*z12*z34) + (s23*s24*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (s23*s24*z2*z4)/(s12*s134*s34*z12*z34) + (s14*s23*s24*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) + (s14*s23*s24*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) + (s23^2*s24*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) + (s23^2*s24*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) - (s24*z2*z4)/(4*s234*s34*z12*z34) + 
   (s13*s24*z2*z4)/(2*s12*s234*s34*z12*z34) - 
   (s14*s24*z2*z4)/(2*s12*s234*s34*z12*z34) + 
   (2*s23*s24*z2*z4)/(s12*s234*s34*z12*z34) - 
   (s13*s24^2*z2*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s13*s24^2*z2*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s24^2*z2*z4)/(4*s12*s134*s34*z12*z34) + (s23*s24^2*z2*z4)/
    (4*s12^2*s123*s34*z12*z34) + (s23*s24^2*z2*z4)/
    (4*s12^2*s124*s34*z12*z34) - (s24^2*z2*z4)/(4*s12*s234*s34*z12*z34) - 
   (s13*s34*z2*z4)/(2*s12^2*s123*z12*z34) - (s13*s34*z2*z4)/
    (2*s12^2*s124*z12*z34) + (s34*z2*z4)/(2*s12*s134*z12*z34) + 
   (s23*s34*z2*z4)/(2*s12^2*s123*z12*z34) + (s23*s34*z2*z4)/
    (2*s12^2*s124*z12*z34) - (s34*z2*z4)/(2*s12*s234*z12*z34) + 
   (4*z3*z4)/(s12*z12*z34) + (2*z3*z4)/(s123*z12*z34) + 
   (2*z3*z4)/(s124*z12*z34) + (3*s13*z3*z4)/(s12*s123*z12*z34) + 
   (3*s13*z3*z4)/(s12*s124*z12*z34) - (s13*z3*z4)/(2*s12*s134*z12*z34) + 
   (3*s14*z3*z4)/(s12*s123*z12*z34) + (3*s14*z3*z4)/(s12*s124*z12*z34) - 
   (s14*z3*z4)/(2*s12*s134*z12*z34) + (3*s23*z3*z4)/(s12*s123*z12*z34) + 
   (3*s23*z3*z4)/(s12*s124*z12*z34) + (s23*z3*z4)/(2*s12*s134*z12*z34) + 
   (s13*z3*z4)/(2*s12*s234*z12*z34) + (s14*z3*z4)/(2*s12*s234*z12*z34) - 
   (s23*z3*z4)/(2*s12*s234*z12*z34) + (3*s24*z3*z4)/(s12*s123*z12*z34) + 
   (3*s24*z3*z4)/(s12*s124*z12*z34) + (s24*z3*z4)/(2*s12*s134*z12*z34) - 
   (s24*z3*z4)/(2*s12*s234*z12*z34) + (3*s13*z3*z4)/(s34^2*z12*z34) + 
   (3*s13^2*z3*z4)/(s12*s34^2*z12*z34) - (s13^2*z3*z4)/
    (4*s134*s34^2*z12*z34) - (s13^3*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (3*s14*z3*z4)/(s34^2*z12*z34) + (6*s13*s14*z3*z4)/(s12*s34^2*z12*z34) - 
   (s13*s14*z3*z4)/(2*s134*s34^2*z12*z34) - (3*s13^2*s14*z3*z4)/
    (4*s12*s134*s34^2*z12*z34) + (3*s14^2*z3*z4)/(s12*s34^2*z12*z34) - 
   (s14^2*z3*z4)/(4*s134*s34^2*z12*z34) - (3*s13*s14^2*z3*z4)/
    (4*s12*s134*s34^2*z12*z34) - (s14^3*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (3*s23*z3*z4)/(s34^2*z12*z34) + (6*s13*s23*z3*z4)/(s12*s34^2*z12*z34) - 
   (s13^2*s23*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (6*s14*s23*z3*z4)/(s12*s34^2*z12*z34) - (s13*s14*s23*z3*z4)/
    (2*s12*s134*s34^2*z12*z34) - (s14^2*s23*z3*z4)/
    (4*s12*s134*s34^2*z12*z34) + (3*s23^2*z3*z4)/(s12*s34^2*z12*z34) + 
   (s23^2*z3*z4)/(4*s134*s34^2*z12*z34) + (s13*s23^2*z3*z4)/
    (4*s12*s134*s34^2*z12*z34) + (s14*s23^2*z3*z4)/
    (4*s12*s134*s34^2*z12*z34) + (s23^3*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s13^2*z3*z4)/(4*s234*s34^2*z12*z34) + 
   (s13^3*z3*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s13*s14*z3*z4)/(2*s234*s34^2*z12*z34) + (3*s13^2*s14*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) + (s14^2*z3*z4)/(4*s234*s34^2*z12*z34) + 
   (3*s13*s14^2*z3*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s14^3*z3*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s13^2*s23*z3*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s13*s14*s23*z3*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s14^2*s23*z3*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (s23^2*z3*z4)/(4*s234*s34^2*z12*z34) - (s13*s23^2*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s14*s23^2*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s23^3*z3*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (3*s24*z3*z4)/(s34^2*z12*z34) + (6*s13*s24*z3*z4)/(s12*s34^2*z12*z34) - 
   (s13^2*s24*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (6*s14*s24*z3*z4)/(s12*s34^2*z12*z34) - (s13*s14*s24*z3*z4)/
    (2*s12*s134*s34^2*z12*z34) - (s14^2*s24*z3*z4)/
    (4*s12*s134*s34^2*z12*z34) + (6*s23*s24*z3*z4)/(s12*s34^2*z12*z34) + 
   (s23*s24*z3*z4)/(2*s134*s34^2*z12*z34) + (s13*s23*s24*z3*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s23*s24*z3*z4)/
    (2*s12*s134*s34^2*z12*z34) + (3*s23^2*s24*z3*z4)/
    (4*s12*s134*s34^2*z12*z34) + (s13^2*s24*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) + (s13*s14*s24*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s24*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s23*s24*z3*z4)/(2*s234*s34^2*z12*z34) - 
   (s13*s23*s24*z3*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s14*s23*s24*z3*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (3*s23^2*s24*z3*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (3*s24^2*z3*z4)/(s12*s34^2*z12*z34) + (s24^2*z3*z4)/
    (4*s134*s34^2*z12*z34) + (s13*s24^2*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s14*s24^2*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (3*s23*s24^2*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s24^2*z3*z4)/(4*s234*s34^2*z12*z34) - (s13*s24^2*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s14*s24^2*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (3*s23*s24^2*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) + (s24^3*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s24^3*z3*z4)/(4*s12*s234*s34^2*z12*z34) + (4*z3*z4)/(s34*z12*z34) + 
   (7*s13*z3*z4)/(s12*s34*z12*z34) + (s13*z3*z4)/(s123*s34*z12*z34) + 
   (s13*z3*z4)/(s124*s34*z12*z34) + (s13^2*z3*z4)/(s12*s123*s34*z12*z34) + 
   (s13^2*z3*z4)/(s12*s124*s34*z12*z34) - (s13*z3*z4)/(2*s134*s34*z12*z34) - 
   (3*s13^2*z3*z4)/(4*s12*s134*s34*z12*z34) + 
   (7*s14*z3*z4)/(s12*s34*z12*z34) + (s14*z3*z4)/(s123*s34*z12*z34) + 
   (s14*z3*z4)/(s124*s34*z12*z34) + (2*s13*s14*z3*z4)/
    (s12*s123*s34*z12*z34) + (2*s13*s14*z3*z4)/(s12*s124*s34*z12*z34) - 
   (s14*z3*z4)/(2*s134*s34*z12*z34) - (3*s13*s14*z3*z4)/
    (2*s12*s134*s34*z12*z34) + (s14^2*z3*z4)/(s12*s123*s34*z12*z34) + 
   (s14^2*z3*z4)/(s12*s124*s34*z12*z34) - (3*s14^2*z3*z4)/
    (4*s12*s134*s34*z12*z34) + (7*s23*z3*z4)/(s12*s34*z12*z34) + 
   (s23*z3*z4)/(s123*s34*z12*z34) + (s23*z3*z4)/(s124*s34*z12*z34) + 
   (2*s13*s23*z3*z4)/(s12*s123*s34*z12*z34) + 
   (2*s13*s23*z3*z4)/(s12*s124*s34*z12*z34) + 
   (s23*z3*z4)/(2*s134*s34*z12*z34) + (2*s14*s23*z3*z4)/
    (s12*s123*s34*z12*z34) + (2*s14*s23*z3*z4)/(s12*s124*s34*z12*z34) + 
   (s23^2*z3*z4)/(s12*s123*s34*z12*z34) + 
   (s23^2*z3*z4)/(s12*s124*s34*z12*z34) + (3*s23^2*z3*z4)/
    (4*s12*s134*s34*z12*z34) + (s13*z3*z4)/(2*s234*s34*z12*z34) + 
   (3*s13^2*z3*z4)/(4*s12*s234*s34*z12*z34) + 
   (s14*z3*z4)/(2*s234*s34*z12*z34) + (3*s13*s14*z3*z4)/
    (2*s12*s234*s34*z12*z34) + (3*s14^2*z3*z4)/(4*s12*s234*s34*z12*z34) - 
   (s23*z3*z4)/(2*s234*s34*z12*z34) - (3*s23^2*z3*z4)/
    (4*s12*s234*s34*z12*z34) + (7*s24*z3*z4)/(s12*s34*z12*z34) + 
   (s24*z3*z4)/(s123*s34*z12*z34) + (s24*z3*z4)/(s124*s34*z12*z34) + 
   (2*s13*s24*z3*z4)/(s12*s123*s34*z12*z34) + 
   (2*s13*s24*z3*z4)/(s12*s124*s34*z12*z34) + 
   (s24*z3*z4)/(2*s134*s34*z12*z34) + (2*s14*s24*z3*z4)/
    (s12*s123*s34*z12*z34) + (2*s14*s24*z3*z4)/(s12*s124*s34*z12*z34) + 
   (2*s23*s24*z3*z4)/(s12*s123*s34*z12*z34) + 
   (2*s23*s24*z3*z4)/(s12*s124*s34*z12*z34) + 
   (3*s23*s24*z3*z4)/(2*s12*s134*s34*z12*z34) - 
   (s24*z3*z4)/(2*s234*s34*z12*z34) - (3*s23*s24*z3*z4)/
    (2*s12*s234*s34*z12*z34) + (s24^2*z3*z4)/(s12*s123*s34*z12*z34) + 
   (s24^2*z3*z4)/(s12*s124*s34*z12*z34) + (3*s24^2*z3*z4)/
    (4*s12*s134*s34*z12*z34) - (3*s24^2*z3*z4)/(4*s12*s234*s34*z12*z34) + 
   (2*s34*z3*z4)/(s12*s123*z12*z34) + (2*s34*z3*z4)/(s12*s124*z12*z34) - 
   (4*z3*z4^2)/(s12*z12*z34^2) - (2*s13*z3*z4^2)/(s34^2*z12*z34^2) - 
   (2*s13^2*z3*z4^2)/(s12*s34^2*z12*z34^2) - 
   (2*s14*z3*z4^2)/(s34^2*z12*z34^2) - (4*s13*s14*z3*z4^2)/
    (s12*s34^2*z12*z34^2) - (2*s14^2*z3*z4^2)/(s12*s34^2*z12*z34^2) - 
   (2*s23*z3*z4^2)/(s34^2*z12*z34^2) - (4*s13*s23*z3*z4^2)/
    (s12*s34^2*z12*z34^2) - (4*s14*s23*z3*z4^2)/(s12*s34^2*z12*z34^2) - 
   (2*s23^2*z3*z4^2)/(s12*s34^2*z12*z34^2) - 
   (2*s24*z3*z4^2)/(s34^2*z12*z34^2) - (4*s13*s24*z3*z4^2)/
    (s12*s34^2*z12*z34^2) - (4*s14*s24*z3*z4^2)/(s12*s34^2*z12*z34^2) - 
   (4*s23*s24*z3*z4^2)/(s12*s34^2*z12*z34^2) - 
   (2*s24^2*z3*z4^2)/(s12*s34^2*z12*z34^2) - (4*z3*z4^2)/(s34*z12*z34^2) - 
   (6*s13*z3*z4^2)/(s12*s34*z12*z34^2) - (6*s14*z3*z4^2)/
    (s12*s34*z12*z34^2) - (6*s23*z3*z4^2)/(s12*s34*z12*z34^2) - 
   (6*s24*z3*z4^2)/(s12*s34*z12*z34^2) + (s13*z4^2)/(2*s12*s134*z12*z34) - 
   (s23*z4^2)/(2*s12*s134*z12*z34) - (s13*z4^2)/(2*s12*s234*z12*z34) + 
   (s23*z4^2)/(2*s12*s234*z12*z34) + (s13*z4^2)/(s34^2*z12*z34) + 
   (s13^2*z4^2)/(s12*s34^2*z12*z34) + (s13^2*z4^2)/(4*s134*s34^2*z12*z34) + 
   (s13^3*z4^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s13*s14*z4^2)/(s12*s34^2*z12*z34) + (s13*s14*z4^2)/
    (4*s134*s34^2*z12*z34) + (s13^2*s14*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s13*s14^2*z4^2)/(4*s12*s134*s34^2*z12*z34) + (s23*z4^2)/(s34^2*z12*z34) + 
   (2*s13*s23*z4^2)/(s12*s34^2*z12*z34) + (s13^2*s23*z4^2)/
    (4*s12*s134*s34^2*z12*z34) + (s14*s23*z4^2)/(s12*s34^2*z12*z34) - 
   (s14*s23*z4^2)/(4*s134*s34^2*z12*z34) - (s14^2*s23*z4^2)/
    (4*s12*s134*s34^2*z12*z34) + (s23^2*z4^2)/(s12*s34^2*z12*z34) - 
   (s23^2*z4^2)/(4*s134*s34^2*z12*z34) - (s13*s23^2*z4^2)/
    (4*s12*s134*s34^2*z12*z34) - (s14*s23^2*z4^2)/
    (2*s12*s134*s34^2*z12*z34) - (s23^3*z4^2)/(4*s12*s134*s34^2*z12*z34) - 
   (s13^2*z4^2)/(4*s234*s34^2*z12*z34) - 
   (s13^3*z4^2)/(4*s12*s234*s34^2*z12*z34) - 
   (s13*s14*z4^2)/(4*s234*s34^2*z12*z34) - (s13^2*s14*z4^2)/
    (2*s12*s234*s34^2*z12*z34) - (s13*s14^2*z4^2)/
    (4*s12*s234*s34^2*z12*z34) - (s13^2*s23*z4^2)/
    (4*s12*s234*s34^2*z12*z34) + (s14*s23*z4^2)/(4*s234*s34^2*z12*z34) + 
   (s14^2*s23*z4^2)/(4*s12*s234*s34^2*z12*z34) + 
   (s23^2*z4^2)/(4*s234*s34^2*z12*z34) + (s13*s23^2*z4^2)/
    (4*s12*s234*s34^2*z12*z34) + (s14*s23^2*z4^2)/
    (2*s12*s234*s34^2*z12*z34) + (s23^3*z4^2)/(4*s12*s234*s34^2*z12*z34) + 
   (s13*s24*z4^2)/(s12*s34^2*z12*z34) + (s13*s24*z4^2)/
    (4*s134*s34^2*z12*z34) + (s13^2*s24*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s13*s14*s24*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s23*s24*z4^2)/(s12*s34^2*z12*z34) - (s23*s24*z4^2)/
    (4*s134*s34^2*z12*z34) - (s14*s23*s24*z4^2)/(2*s12*s134*s34^2*z12*z34) - 
   (s23^2*s24*z4^2)/(2*s12*s134*s34^2*z12*z34) - 
   (s13*s24*z4^2)/(4*s234*s34^2*z12*z34) - (s13^2*s24*z4^2)/
    (2*s12*s234*s34^2*z12*z34) - (s13*s14*s24*z4^2)/
    (2*s12*s234*s34^2*z12*z34) + (s23*s24*z4^2)/(4*s234*s34^2*z12*z34) + 
   (s14*s23*s24*z4^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s23^2*s24*z4^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*s24^2*z4^2)/(4*s12*s134*s34^2*z12*z34) - 
   (s23*s24^2*z4^2)/(4*s12*s134*s34^2*z12*z34) - 
   (s13*s24^2*z4^2)/(4*s12*s234*s34^2*z12*z34) + 
   (s23*s24^2*z4^2)/(4*s12*s234*s34^2*z12*z34) + 
   (s13*z4^2)/(s12*s34*z12*z34) + (s13*z4^2)/(2*s134*s34*z12*z34) + 
   (3*s13^2*z4^2)/(4*s12*s134*s34*z12*z34) + (3*s13*s14*z4^2)/
    (4*s12*s134*s34*z12*z34) + (s23*z4^2)/(s12*s34*z12*z34) - 
   (s23*z4^2)/(2*s134*s34*z12*z34) - (3*s14*s23*z4^2)/
    (4*s12*s134*s34*z12*z34) - (3*s23^2*z4^2)/(4*s12*s134*s34*z12*z34) - 
   (s13*z4^2)/(2*s234*s34*z12*z34) - (3*s13^2*z4^2)/
    (4*s12*s234*s34*z12*z34) - (3*s13*s14*z4^2)/(4*s12*s234*s34*z12*z34) + 
   (s23*z4^2)/(2*s234*s34*z12*z34) + (3*s14*s23*z4^2)/
    (4*s12*s234*s34*z12*z34) + (3*s23^2*z4^2)/(4*s12*s234*s34*z12*z34) + 
   (3*s13*s24*z4^2)/(4*s12*s134*s34*z12*z34) - 
   (3*s23*s24*z4^2)/(4*s12*s134*s34*z12*z34) - 
   (3*s13*s24*z4^2)/(4*s12*s234*s34*z12*z34) + 
   (3*s23*s24*z4^2)/(4*s12*s234*s34*z12*z34)) + 
 k2k1*(-6/s12 + D/(2*s12) - 4/s123 + D/(2*s123) - 4/s124 + D/(2*s124) + 
   s13/s12^2 - (7*s13)/(2*s12*s123) + (D*s13)/(2*s12*s123) - 
   (4*s13)/(s12*s124) + (D*s13)/(2*s12*s124) + s13^2/(2*s12^2*s123) - 
   2/s134 - (2*s12)/(s123*s134) + s12/(s124*s134) + (5*s13)/(2*s12*s134) - 
   (D*s13)/(4*s12*s134) + (2*s13)/(s123*s134) - (D*s13)/(2*s123*s134) + 
   (D*s13)/(4*s124*s134) + (4*s13^2)/(s12*s123*s134) - 
   (D*s13^2)/(2*s12*s123*s134) - s13^2/(s12*s124*s134) + 
   (D*s13^2)/(4*s12*s124*s134) + s14/s12^2 - (4*s14)/(s12*s123) + 
   (D*s14)/(2*s12*s123) - (7*s14)/(2*s12*s124) + (D*s14)/(2*s12*s124) + 
   (s13*s14)/(s12^2*s123) + (s13*s14)/(s12^2*s124) + (5*s14)/(2*s12*s134) - 
   (D*s14)/(4*s12*s134) - (D*s14)/(2*s123*s134) - s14/(s124*s134) + 
   (D*s14)/(4*s124*s134) + (8*s13*s14)/(s12*s123*s134) - 
   (D*s13*s14)/(s12*s123*s134) - (4*s13*s14)/(s12*s124*s134) + 
   (D*s13*s14)/(2*s12*s124*s134) + s14^2/(2*s12^2*s124) + 
   (2*s14^2)/(s12*s123*s134) - (D*s14^2)/(2*s12*s123*s134) - 
   (2*s14^2)/(s12*s124*s134) + (D*s14^2)/(4*s12*s124*s134) + s23/s12^2 - 
   (7*s23)/(2*s12*s123) + (D*s23)/(2*s12*s123) - (4*s23)/(s12*s124) + 
   (D*s23)/(2*s12*s124) + (s13*s23)/(s12^2*s123) - s23/(s12*s134) + 
   (D*s23)/(4*s12*s134) - (4*s23)/(s123*s134) + (D*s23)/(2*s123*s134) + 
   (2*s23)/(s124*s134) - (D*s23)/(4*s124*s134) + 
   (2*s13*s23)/(s12*s123*s134) + (2*s14*s23)/(s12^2*s123) + 
   (2*s14*s23)/(s12^2*s124) + (2*s14*s23)/(s12*s123*s124) + 
   (2*s13*s14*s23)/(s12^2*s123*s124) - (2*s14*s23)/(s12*s124*s134) + 
   (2*s14^2*s23)/(s12^2*s123*s124) + s23^2/(2*s12^2*s123) - 
   (2*s23^2)/(s12*s123*s134) + (D*s23^2)/(2*s12*s123*s134) + 
   s23^2/(s12*s124*s134) - (D*s23^2)/(4*s12*s124*s134) + 
   (2*s14*s23^2)/(s12^2*s123*s124) - 2/s234 + s12/(s123*s234) - 
   (2*s12)/(s124*s234) - s13/(s12*s234) + (D*s13)/(4*s12*s234) + 
   (2*s13)/(s123*s234) - (D*s13)/(4*s123*s234) - (4*s13)/(s124*s234) + 
   (D*s13)/(2*s124*s234) + s13^2/(s12*s123*s234) - 
   (D*s13^2)/(4*s12*s123*s234) - (2*s13^2)/(s12*s124*s234) + 
   (D*s13^2)/(2*s12*s124*s234) - (6*s12)/(s134*s234) + (D*s12)/(s134*s234) - 
   (4*s13)/(s134*s234) + (D*s13)/(s134*s234) - s14/(s12*s234) + 
   (D*s14)/(4*s12*s234) + (2*s14)/(s123*s234) - (D*s14)/(4*s123*s234) - 
   (4*s14)/(s124*s234) + (D*s14)/(2*s124*s234) + 
   (2*s13*s14)/(s12*s123*s234) - (D*s13*s14)/(2*s12*s123*s234) - 
   (4*s13*s14)/(s12*s124*s234) + (D*s13*s14)/(s12*s124*s234) - 
   (4*s14)/(s134*s234) + (D*s14)/(s134*s234) + s14^2/(s12*s123*s234) - 
   (D*s14^2)/(4*s12*s123*s234) - (2*s14^2)/(s12*s124*s234) + 
   (D*s14^2)/(2*s12*s124*s234) + (5*s23)/(2*s12*s234) - 
   (D*s23)/(4*s12*s234) - s23/(s123*s234) + (D*s23)/(4*s123*s234) - 
   (D*s23)/(2*s124*s234) - (s13*s23)/(s12*s123*s234) - (4*s23)/(s134*s234) + 
   (D*s23)/(s134*s234) - (2*s14*s23)/(s12*s123*s234) - 
   (2*s23^2)/(s12*s123*s234) + (D*s23^2)/(4*s12*s123*s234) + 
   (2*s23^2)/(s12*s124*s234) - (D*s23^2)/(2*s12*s124*s234) + s24/s12^2 - 
   (4*s24)/(s12*s123) + (D*s24)/(2*s12*s123) - (7*s24)/(2*s12*s124) + 
   (D*s24)/(2*s12*s124) + (2*s13*s24)/(s12^2*s123) + 
   (2*s13*s24)/(s12^2*s124) + (2*s13*s24)/(s12*s123*s124) + 
   (2*s13^2*s24)/(s12^2*s123*s124) - s24/(s12*s134) + (D*s24)/(4*s12*s134) - 
   (4*s24)/(s123*s134) + (D*s24)/(2*s123*s134) + (2*s24)/(s124*s134) - 
   (D*s24)/(4*s124*s134) + (4*s13*s24)/(s12*s123*s134) + 
   (s14*s24)/(s12^2*s124) + (2*s13*s14*s24)/(s12^2*s123*s124) - 
   (s14*s24)/(s12*s124*s134) + (s23*s24)/(s12^2*s123) + 
   (s23*s24)/(s12^2*s124) + (2*s13*s23*s24)/(s12^2*s123*s124) - 
   (4*s23*s24)/(s12*s123*s134) + (D*s23*s24)/(s12*s123*s134) + 
   (2*s23*s24)/(s12*s124*s134) - (D*s23*s24)/(2*s12*s124*s134) + 
   (2*s14*s23*s24)/(s12^2*s123*s124) + (5*s24)/(2*s12*s234) - 
   (D*s24)/(4*s12*s234) + (D*s24)/(4*s123*s234) + (2*s24)/(s124*s234) - 
   (D*s24)/(2*s124*s234) + (4*s13*s24)/(s12*s124*s234) - 
   (4*s24)/(s134*s234) + (D*s24)/(s134*s234) + (2*s14*s24)/(s12*s124*s234) - 
   (4*s23*s24)/(s12*s123*s234) + (D*s23*s24)/(2*s12*s123*s234) + 
   (8*s23*s24)/(s12*s124*s234) - (D*s23*s24)/(s12*s124*s234) + 
   s24^2/(2*s12^2*s124) + (2*s13*s24^2)/(s12^2*s123*s124) - 
   (2*s24^2)/(s12*s123*s134) + (D*s24^2)/(2*s12*s123*s134) + 
   s24^2/(s12*s124*s134) - (D*s24^2)/(4*s12*s124*s134) - 
   s24^2/(s12*s123*s234) + (D*s24^2)/(4*s12*s123*s234) + 
   (4*s24^2)/(s12*s124*s234) - (D*s24^2)/(2*s12*s124*s234) + 
   (2*s13*s14)/(s12*s34^2) + (2*s13^2*s14)/(s12^2*s34^2) + 
   (3*s13*s14)/(s134*s34^2) + (3*s13^2*s14)/(s12*s134*s34^2) + 
   (2*s13*s14^2)/(s12^2*s34^2) + (3*s13*s14^2)/(s12*s134*s34^2) + 
   (3*s14*s23)/(s12*s34^2) + (5*s13*s14*s23)/(s12^2*s34^2) + 
   (3*s14*s23)/(2*s134*s34^2) + (9*s13*s14*s23)/(2*s12*s134*s34^2) + 
   (3*s14^2*s23)/(s12^2*s34^2) + (3*s14^2*s23)/(2*s12*s134*s34^2) + 
   (3*s14*s23^2)/(s12^2*s34^2) + (3*s14*s23^2)/(2*s12*s134*s34^2) + 
   (3*s14*s23)/(2*s234*s34^2) + (3*s13*s14*s23)/(2*s12*s234*s34^2) + 
   (2*s12*s14*s23)/(s134*s234*s34^2) + (2*s13*s14*s23)/(s134*s234*s34^2) + 
   (3*s14^2*s23)/(2*s12*s234*s34^2) + (2*s14^2*s23)/(s134*s234*s34^2) + 
   (3*s14*s23^2)/(2*s12*s234*s34^2) + (2*s14*s23^2)/(s134*s234*s34^2) + 
   (3*s13*s24)/(s12*s34^2) + (3*s13^2*s24)/(s12^2*s34^2) + 
   (3*s13*s24)/(2*s134*s34^2) + (3*s13^2*s24)/(2*s12*s134*s34^2) + 
   (5*s13*s14*s24)/(s12^2*s34^2) + (9*s13*s14*s24)/(2*s12*s134*s34^2) + 
   (2*s23*s24)/(s12*s34^2) + (5*s13*s23*s24)/(s12^2*s34^2) + 
   (3*s13*s23*s24)/(2*s12*s134*s34^2) + (5*s14*s23*s24)/(s12^2*s34^2) + 
   (3*s14*s23*s24)/(2*s12*s134*s34^2) + (2*s23^2*s24)/(s12^2*s34^2) + 
   (3*s13*s24)/(2*s234*s34^2) + (3*s13^2*s24)/(2*s12*s234*s34^2) + 
   (2*s12*s13*s24)/(s134*s234*s34^2) + (2*s13^2*s24)/(s134*s234*s34^2) + 
   (3*s13*s14*s24)/(2*s12*s234*s34^2) + (2*s13*s14*s24)/(s134*s234*s34^2) + 
   (3*s23*s24)/(s234*s34^2) + (9*s13*s23*s24)/(2*s12*s234*s34^2) + 
   (2*s13*s23*s24)/(s134*s234*s34^2) + (9*s14*s23*s24)/(2*s12*s234*s34^2) + 
   (2*s14*s23*s24)/(s134*s234*s34^2) + (3*s23^2*s24)/(s12*s234*s34^2) + 
   (3*s13*s24^2)/(s12^2*s34^2) + (3*s13*s24^2)/(2*s12*s134*s34^2) + 
   (2*s23*s24^2)/(s12^2*s34^2) + (3*s13*s24^2)/(2*s12*s234*s34^2) + 
   (2*s13*s24^2)/(s134*s234*s34^2) + (3*s23*s24^2)/(s12*s234*s34^2) - 6/s34 + 
   D/(2*s34) - (5*s13)/(s12*s34) + (D*s13)/(2*s12*s34) + s13^2/(s12^2*s34) - 
   (2*s12)/(s134*s34) + s13/(2*s134*s34) - (D*s13)/(4*s134*s34) + 
   (5*s13^2)/(2*s12*s134*s34) - (D*s13^2)/(4*s12*s134*s34) - 
   (5*s14)/(s12*s34) + (D*s14)/(2*s12*s34) + (4*s13*s14)/(s12^2*s34) + 
   (s13*s14)/(2*s12*s123*s34) + (s13*s14)/(2*s12*s124*s34) + 
   (s13^2*s14)/(2*s12^2*s123*s34) + (s13^2*s14)/(2*s12^2*s124*s34) + 
   s14/(2*s134*s34) - (D*s14)/(4*s134*s34) + (8*s13*s14)/(s12*s134*s34) - 
   (D*s13*s14)/(2*s12*s134*s34) + (2*s13*s14)/(s123*s134*s34) - 
   (s13*s14)/(s124*s134*s34) + (2*s13^2*s14)/(s12*s123*s134*s34) - 
   (s13^2*s14)/(s12*s124*s134*s34) + s14^2/(s12^2*s34) + 
   (s13*s14^2)/(2*s12^2*s123*s34) + (s13*s14^2)/(2*s12^2*s124*s34) + 
   (5*s14^2)/(2*s12*s134*s34) - (D*s14^2)/(4*s12*s134*s34) + 
   (2*s13*s14^2)/(s12*s123*s134*s34) - (s13*s14^2)/(s12*s124*s134*s34) - 
   (5*s23)/(s12*s34) + (D*s23)/(2*s12*s34) + (2*s13*s23)/(s12^2*s34) - 
   (3*s23)/(s134*s34) + (D*s23)/(4*s134*s34) + (3*s13*s23)/(2*s12*s134*s34) + 
   (5*s14*s23)/(s12^2*s34) + (3*s14*s23)/(2*s12*s123*s34) + 
   (3*s14*s23)/(2*s12*s124*s34) + (2*s13*s14*s23)/(s12^2*s123*s34) + 
   (2*s13*s14*s23)/(s12^2*s124*s34) + (3*s14*s23)/(s12*s134*s34) - 
   (s14*s23)/(s124*s134*s34) + (2*s13*s14*s23)/(s12*s123*s134*s34) - 
   (2*s13*s14*s23)/(s12*s124*s134*s34) + (3*s14^2*s23)/(2*s12^2*s123*s34) + 
   (3*s14^2*s23)/(2*s12^2*s124*s34) - (s14^2*s23)/(s12*s124*s134*s34) + 
   s23^2/(s12^2*s34) - s23^2/(s12*s134*s34) + (D*s23^2)/(4*s12*s134*s34) + 
   (3*s14*s23^2)/(2*s12^2*s123*s34) + (3*s14*s23^2)/(2*s12^2*s124*s34) - 
   (s14*s23^2)/(s12*s124*s134*s34) - (2*s12)/(s234*s34) - 
   (3*s13)/(s234*s34) + (D*s13)/(4*s234*s34) - s13^2/(s12*s234*s34) + 
   (D*s13^2)/(4*s12*s234*s34) - (2*s12^2)/(s134*s234*s34) - 
   (2*s12*s13)/(s134*s234*s34) - (3*s14)/(s234*s34) + (D*s14)/(4*s234*s34) - 
   (2*s13*s14)/(s12*s234*s34) + (D*s13*s14)/(2*s12*s234*s34) - 
   (2*s12*s14)/(s134*s234*s34) - s14^2/(s12*s234*s34) + 
   (D*s14^2)/(4*s12*s234*s34) + s23/(2*s234*s34) - (D*s23)/(4*s234*s34) + 
   (3*s13*s23)/(2*s12*s234*s34) - (2*s12*s23)/(s134*s234*s34) + 
   (3*s14*s23)/(s12*s234*s34) - (s14*s23)/(s123*s234*s34) - 
   (s13*s14*s23)/(s12*s123*s234*s34) + (2*s14*s23)/(s134*s234*s34) - 
   (s14^2*s23)/(s12*s123*s234*s34) + (5*s23^2)/(2*s12*s234*s34) - 
   (D*s23^2)/(4*s12*s234*s34) - (s14*s23^2)/(s12*s123*s234*s34) - 
   (5*s24)/(s12*s34) + (D*s24)/(2*s12*s34) + (5*s13*s24)/(s12^2*s34) + 
   (3*s13*s24)/(2*s12*s123*s34) + (3*s13*s24)/(2*s12*s124*s34) + 
   (3*s13^2*s24)/(2*s12^2*s123*s34) + (3*s13^2*s24)/(2*s12^2*s124*s34) - 
   (3*s24)/(s134*s34) + (D*s24)/(4*s134*s34) + (3*s13*s24)/(s12*s134*s34) + 
   (2*s13*s24)/(s123*s134*s34) + (2*s13^2*s24)/(s12*s123*s134*s34) + 
   (2*s14*s24)/(s12^2*s34) + (2*s13*s14*s24)/(s12^2*s123*s34) + 
   (2*s13*s14*s24)/(s12^2*s124*s34) + (3*s14*s24)/(2*s12*s134*s34) + 
   (4*s13*s14*s24)/(s12*s123*s134*s34) - (s13*s14*s24)/(s12*s124*s134*s34) + 
   (4*s23*s24)/(s12^2*s34) + (s23*s24)/(2*s12*s123*s34) + 
   (s23*s24)/(2*s12*s124*s34) + (2*s13*s23*s24)/(s12^2*s123*s34) + 
   (2*s13*s23*s24)/(s12^2*s124*s34) - (2*s23*s24)/(s12*s134*s34) + 
   (D*s23*s24)/(2*s12*s134*s34) + (2*s13*s23*s24)/(s12*s123*s134*s34) + 
   (2*s14*s23*s24)/(s12^2*s123*s34) + (2*s14*s23*s24)/(s12^2*s124*s34) - 
   (s14*s23*s24)/(s12*s124*s134*s34) + (s23^2*s24)/(2*s12^2*s123*s34) + 
   (s23^2*s24)/(2*s12^2*s124*s34) + s24/(2*s234*s34) - (D*s24)/(4*s234*s34) + 
   (3*s13*s24)/(s12*s234*s34) + (2*s13*s24)/(s124*s234*s34) + 
   (2*s13^2*s24)/(s12*s124*s234*s34) - (2*s12*s24)/(s134*s234*s34) + 
   (2*s13*s24)/(s134*s234*s34) + (3*s14*s24)/(2*s12*s234*s34) + 
   (2*s13*s14*s24)/(s12*s124*s234*s34) + (8*s23*s24)/(s12*s234*s34) - 
   (D*s23*s24)/(2*s12*s234*s34) - (s23*s24)/(s123*s234*s34) + 
   (2*s23*s24)/(s124*s234*s34) - (s13*s23*s24)/(s12*s123*s234*s34) + 
   (4*s13*s23*s24)/(s12*s124*s234*s34) - (2*s14*s23*s24)/
    (s12*s123*s234*s34) + (2*s14*s23*s24)/(s12*s124*s234*s34) - 
   (s23^2*s24)/(s12*s123*s234*s34) + (2*s23^2*s24)/(s12*s124*s234*s34) + 
   s24^2/(s12^2*s34) + (3*s13*s24^2)/(2*s12^2*s123*s34) + 
   (3*s13*s24^2)/(2*s12^2*s124*s34) - s24^2/(s12*s134*s34) + 
   (D*s24^2)/(4*s12*s134*s34) + (2*s13*s24^2)/(s12*s123*s134*s34) + 
   (s23*s24^2)/(2*s12^2*s123*s34) + (s23*s24^2)/(2*s12^2*s124*s34) + 
   (5*s24^2)/(2*s12*s234*s34) - (D*s24^2)/(4*s12*s234*s34) + 
   (2*s13*s24^2)/(s12*s124*s234*s34) - (s23*s24^2)/(s12*s123*s234*s34) + 
   (2*s23*s24^2)/(s12*s124*s234*s34) - (4*s34)/(s12*s123) + 
   (D*s34)/(2*s12*s123) - (4*s34)/(s12*s124) + (D*s34)/(2*s12*s124) - 
   (6*s34)/(s123*s124) + (D*s34)/(s123*s124) + (s13*s34)/(2*s12^2*s123) - 
   (6*s13*s34)/(s12*s123*s124) + (D*s13*s34)/(s12*s123*s124) - 
   (2*s34)/(s123*s134) + s34/(s124*s134) + (4*s13*s34)/(s12*s123*s134) - 
   (D*s13*s34)/(2*s12*s123*s134) - (s13*s34)/(s12*s124*s134) + 
   (D*s13*s34)/(4*s12*s124*s134) + (s14*s34)/(2*s12^2*s124) - 
   (6*s14*s34)/(s12*s123*s124) + (D*s14*s34)/(s12*s123*s124) + 
   (2*s14*s34)/(s12*s123*s134) - (D*s14*s34)/(2*s12*s123*s134) - 
   (2*s14*s34)/(s12*s124*s134) + (D*s14*s34)/(4*s12*s124*s134) + 
   (s23*s34)/(2*s12^2*s123) - (6*s23*s34)/(s12*s123*s124) + 
   (D*s23*s34)/(s12*s123*s124) - (2*s23*s34)/(s12*s123*s134) + 
   (D*s23*s34)/(2*s12*s123*s134) + (s23*s34)/(s12*s124*s134) - 
   (D*s23*s34)/(4*s12*s124*s134) + (2*s14*s23*s34)/(s12^2*s123*s124) + 
   s34/(s123*s234) - (2*s34)/(s124*s234) + (s13*s34)/(s12*s123*s234) - 
   (D*s13*s34)/(4*s12*s123*s234) - (2*s13*s34)/(s12*s124*s234) + 
   (D*s13*s34)/(2*s12*s124*s234) - (4*s34)/(s134*s234) + 
   (D*s34)/(s134*s234) + (s14*s34)/(s12*s123*s234) - 
   (D*s14*s34)/(4*s12*s123*s234) - (2*s14*s34)/(s12*s124*s234) + 
   (D*s14*s34)/(2*s12*s124*s234) - (2*s23*s34)/(s12*s123*s234) + 
   (D*s23*s34)/(4*s12*s123*s234) + (2*s23*s34)/(s12*s124*s234) - 
   (D*s23*s34)/(2*s12*s124*s234) + (s24*s34)/(2*s12^2*s124) - 
   (6*s24*s34)/(s12*s123*s124) + (D*s24*s34)/(s12*s123*s124) + 
   (2*s13*s24*s34)/(s12^2*s123*s124) - (2*s24*s34)/(s12*s123*s134) + 
   (D*s24*s34)/(2*s12*s123*s134) + (s24*s34)/(s12*s124*s134) - 
   (D*s24*s34)/(4*s12*s124*s134) - (s24*s34)/(s12*s123*s234) + 
   (D*s24*s34)/(4*s12*s123*s234) + (4*s24*s34)/(s12*s124*s234) - 
   (D*s24*s34)/(2*s12*s124*s234) - (6*s34^2)/(s12*s123*s124) + 
   (D*s34^2)/(s12*s123*s124) + z1/(s12*z12) - (s13*z1)/(s12^2*z12) - 
   (s13*z1)/(2*s12*s123*z12) - (s13^2*z1)/(2*s12^2*s123*z12) - 
   z1/(2*s134*z12) - (2*s12*z1)/(s123*s134*z12) + (s12*z1)/(s124*s134*z12) - 
   (5*s13*z1)/(4*s12*s134*z12) - (4*s13*z1)/(s123*s134*z12) + 
   (s13*z1)/(s124*s134*z12) - (2*s13^2*z1)/(s12*s123*s134*z12) - 
   (s14*z1)/(s12^2*z12) - (s14*z1)/(2*s12*s124*z12) - 
   (s13*s14*z1)/(s12^2*s123*z12) - (s13*s14*z1)/(s12^2*s124*z12) - 
   (5*s14*z1)/(4*s12*s134*z12) - (2*s14*z1)/(s123*s134*z12) + 
   (2*s14*z1)/(s124*s134*z12) - (2*s13*s14*z1)/(s12*s123*s134*z12) + 
   (s13*s14*z1)/(s12*s124*s134*z12) - (s14^2*z1)/(2*s12^2*s124*z12) + 
   (s14^2*z1)/(s12*s124*s134*z12) - (3*s23*z1)/(s12^2*z12) - 
   (3*s23*z1)/(2*s12*s123*z12) - (2*s13*s23*z1)/(s12^2*s123*z12) - 
   (5*s23*z1)/(4*s12*s134*z12) - (4*s23*z1)/(s123*s134*z12) + 
   (s23*z1)/(s124*s134*z12) - (4*s13*s23*z1)/(s12*s123*s134*z12) - 
   (2*s14*s23*z1)/(s12^2*s123*z12) - (2*s14*s23*z1)/(s12*s123*s134*z12) + 
   (s14*s23*z1)/(s12*s124*s134*z12) - (3*s23^2*z1)/(2*s12^2*s123*z12) - 
   (2*s23^2*z1)/(s12*s123*s134*z12) + z1/(2*s234*z12) + 
   (s13*z1)/(4*s12*s234*z12) + (s14*z1)/(4*s12*s234*z12) - 
   (3*s23*z1)/(4*s12*s234*z12) - (3*s24*z1)/(s12^2*z12) - 
   (3*s24*z1)/(2*s12*s124*z12) - (2*s13*s24*z1)/(s12^2*s124*z12) - 
   (5*s24*z1)/(4*s12*s134*z12) - (2*s24*z1)/(s123*s134*z12) + 
   (2*s24*z1)/(s124*s134*z12) - (2*s13*s24*z1)/(s12*s123*s134*z12) + 
   (s13*s24*z1)/(s12*s124*s134*z12) - (2*s14*s24*z1)/(s12^2*s124*z12) + 
   (2*s14*s24*z1)/(s12*s124*s134*z12) - (s23*s24*z1)/(s12^2*s123*z12) - 
   (s23*s24*z1)/(s12^2*s124*z12) - (2*s23*s24*z1)/(s12*s123*s134*z12) + 
   (s23*s24*z1)/(s12*s124*s134*z12) - (3*s24*z1)/(4*s12*s234*z12) - 
   (3*s24^2*z1)/(2*s12^2*s124*z12) + (s24^2*z1)/(s12*s124*s134*z12) - 
   (2*s13*s14*z1)/(s12*s34^2*z12) - (2*s13^2*s14*z1)/(s12^2*s34^2*z12) - 
   (s13*s14*z1)/(s134*s34^2*z12) - (s13^2*s14*z1)/(s12*s134*s34^2*z12) - 
   (2*s13*s14^2*z1)/(s12^2*s34^2*z12) - (s13*s14^2*z1)/(s12*s134*s34^2*z12) - 
   (s14*s23*z1)/(s12*s34^2*z12) - (3*s13*s14*s23*z1)/(s12^2*s34^2*z12) - 
   (s14*s23*z1)/(2*s134*s34^2*z12) - (3*s13*s14*s23*z1)/
    (2*s12*s134*s34^2*z12) - (s14^2*s23*z1)/(s12^2*s34^2*z12) - 
   (s14^2*s23*z1)/(2*s12*s134*s34^2*z12) - (s14*s23^2*z1)/(s12^2*s34^2*z12) - 
   (s14*s23^2*z1)/(2*s12*s134*s34^2*z12) - (s14*s23*z1)/(2*s234*s34^2*z12) - 
   (s13*s14*s23*z1)/(2*s12*s234*s34^2*z12) - 
   (s14^2*s23*z1)/(2*s12*s234*s34^2*z12) - 
   (s14*s23^2*z1)/(2*s12*s234*s34^2*z12) - (s13*s24*z1)/(s12*s34^2*z12) - 
   (s13^2*s24*z1)/(s12^2*s34^2*z12) - (s13*s24*z1)/(2*s134*s34^2*z12) - 
   (s13^2*s24*z1)/(2*s12*s134*s34^2*z12) - (3*s13*s14*s24*z1)/
    (s12^2*s34^2*z12) - (3*s13*s14*s24*z1)/(2*s12*s134*s34^2*z12) - 
   (s13*s23*s24*z1)/(s12^2*s34^2*z12) - (s13*s23*s24*z1)/
    (2*s12*s134*s34^2*z12) - (s14*s23*s24*z1)/(s12^2*s34^2*z12) - 
   (s14*s23*s24*z1)/(2*s12*s134*s34^2*z12) - 
   (s13*s24*z1)/(2*s234*s34^2*z12) - (s13^2*s24*z1)/(2*s12*s234*s34^2*z12) - 
   (s13*s14*s24*z1)/(2*s12*s234*s34^2*z12) - (s23*s24*z1)/(s234*s34^2*z12) - 
   (3*s13*s23*s24*z1)/(2*s12*s234*s34^2*z12) - 
   (3*s14*s23*s24*z1)/(2*s12*s234*s34^2*z12) - 
   (s23^2*s24*z1)/(s12*s234*s34^2*z12) - (s13*s24^2*z1)/(s12^2*s34^2*z12) - 
   (s13*s24^2*z1)/(2*s12*s134*s34^2*z12) - 
   (s13*s24^2*z1)/(2*s12*s234*s34^2*z12) - 
   (s23*s24^2*z1)/(s12*s234*s34^2*z12) + z1/(s34*z12) - 
   (s13^2*z1)/(s12^2*s34*z12) - (s12*z1)/(2*s134*s34*z12) - 
   (7*s13*z1)/(4*s134*s34*z12) - (5*s13^2*z1)/(4*s12*s134*s34*z12) - 
   (4*s13*s14*z1)/(s12^2*s34*z12) - (s13*s14*z1)/(2*s12*s123*s34*z12) - 
   (s13*s14*z1)/(2*s12*s124*s34*z12) - (s13^2*s14*z1)/
    (2*s12^2*s123*s34*z12) - (s13^2*s14*z1)/(2*s12^2*s124*s34*z12) - 
   (7*s14*z1)/(4*s134*s34*z12) - (7*s13*s14*z1)/(2*s12*s134*s34*z12) - 
   (s14^2*z1)/(s12^2*s34*z12) - (s13*s14^2*z1)/(2*s12^2*s123*s34*z12) - 
   (s13*s14^2*z1)/(2*s12^2*s124*s34*z12) - 
   (5*s14^2*z1)/(4*s12*s134*s34*z12) - (2*s23*z1)/(s12*s34*z12) - 
   (4*s13*s23*z1)/(s12^2*s34*z12) - (7*s23*z1)/(4*s134*s34*z12) - 
   (5*s13*s23*z1)/(2*s12*s134*s34*z12) - (5*s14*s23*z1)/(s12^2*s34*z12) - 
   (s14*s23*z1)/(2*s12*s123*s34*z12) + (s14*s23*z1)/(2*s12*s124*s34*z12) - 
   (s13*s14*s23*z1)/(s12^2*s123*s34*z12) - 
   (3*s14*s23*z1)/(s12*s134*s34*z12) - (s14^2*s23*z1)/
    (2*s12^2*s123*s34*z12) + (s14^2*s23*z1)/(2*s12^2*s124*s34*z12) - 
   (3*s23^2*z1)/(s12^2*s34*z12) - (5*s23^2*z1)/(4*s12*s134*s34*z12) - 
   (s14*s23^2*z1)/(2*s12^2*s123*s34*z12) + 
   (s14*s23^2*z1)/(2*s12^2*s124*s34*z12) + (s12*z1)/(2*s234*s34*z12) + 
   (3*s13*z1)/(4*s234*s34*z12) + (s13^2*z1)/(4*s12*s234*s34*z12) + 
   (3*s14*z1)/(4*s234*s34*z12) + (s13*s14*z1)/(2*s12*s234*s34*z12) + 
   (s14^2*z1)/(4*s12*s234*s34*z12) - (s23*z1)/(4*s234*s34*z12) - 
   (s13*s23*z1)/(2*s12*s234*s34*z12) - (s14*s23*z1)/(s12*s234*s34*z12) - 
   (3*s23^2*z1)/(4*s12*s234*s34*z12) - (2*s24*z1)/(s12*s34*z12) - 
   (5*s13*s24*z1)/(s12^2*s34*z12) + (s13*s24*z1)/(2*s12*s123*s34*z12) - 
   (s13*s24*z1)/(2*s12*s124*s34*z12) + (s13^2*s24*z1)/
    (2*s12^2*s123*s34*z12) - (s13^2*s24*z1)/(2*s12^2*s124*s34*z12) - 
   (7*s24*z1)/(4*s134*s34*z12) - (3*s13*s24*z1)/(s12*s134*s34*z12) - 
   (4*s14*s24*z1)/(s12^2*s34*z12) - (s13*s14*s24*z1)/(s12^2*s124*s34*z12) - 
   (5*s14*s24*z1)/(2*s12*s134*s34*z12) - (6*s23*s24*z1)/(s12^2*s34*z12) + 
   (s23*s24*z1)/(2*s12*s123*s34*z12) + (s23*s24*z1)/(2*s12*s124*s34*z12) + 
   (s13*s23*s24*z1)/(s12^2*s123*s34*z12) - 
   (5*s23*s24*z1)/(2*s12*s134*s34*z12) + (s14*s23*s24*z1)/
    (s12^2*s124*s34*z12) + (s23^2*s24*z1)/(2*s12^2*s123*s34*z12) + 
   (s23^2*s24*z1)/(2*s12^2*s124*s34*z12) - (s24*z1)/(4*s234*s34*z12) - 
   (s13*s24*z1)/(s12*s234*s34*z12) - (s14*s24*z1)/(2*s12*s234*s34*z12) - 
   (5*s23*s24*z1)/(2*s12*s234*s34*z12) - (3*s24^2*z1)/(s12^2*s34*z12) + 
   (s13*s24^2*z1)/(2*s12^2*s123*s34*z12) - 
   (s13*s24^2*z1)/(2*s12^2*s124*s34*z12) - 
   (5*s24^2*z1)/(4*s12*s134*s34*z12) + (s23*s24^2*z1)/
    (2*s12^2*s123*s34*z12) + (s23*s24^2*z1)/(2*s12^2*s124*s34*z12) - 
   (3*s24^2*z1)/(4*s12*s234*s34*z12) - (s13*s34*z1)/(2*s12^2*s123*z12) - 
   (2*s34*z1)/(s123*s134*z12) + (s34*z1)/(s124*s134*z12) - 
   (2*s13*s34*z1)/(s12*s123*s134*z12) - (s14*s34*z1)/(2*s12^2*s124*z12) + 
   (s14*s34*z1)/(s12*s124*s134*z12) - (3*s23*s34*z1)/(2*s12^2*s123*z12) - 
   (2*s23*s34*z1)/(s12*s123*s134*z12) - (3*s24*s34*z1)/(2*s12^2*s124*z12) + 
   (s24*s34*z1)/(s12*s124*s134*z12) + (2*z1*z2)/(s12*z12^2) + 
   (2*z1*z2)/(s123*z12^2) + (2*z1*z2)/(s124*z12^2) + 
   (4*s13*z1*z2)/(s12^2*z12^2) + (4*s13*z1*z2)/(s12*s123*z12^2) + 
   (2*s13*z1*z2)/(s12*s124*z12^2) + (2*s13^2*z1*z2)/(s12^2*s123*z12^2) + 
   (4*s14*z1*z2)/(s12^2*z12^2) + (2*s14*z1*z2)/(s12*s123*z12^2) + 
   (4*s14*z1*z2)/(s12*s124*z12^2) + (2*s13*s14*z1*z2)/(s12^2*s123*z12^2) + 
   (2*s13*s14*z1*z2)/(s12^2*s124*z12^2) + (2*s14^2*z1*z2)/
    (s12^2*s124*z12^2) + (4*s23*z1*z2)/(s12^2*z12^2) + 
   (4*s23*z1*z2)/(s12*s123*z12^2) + (2*s23*z1*z2)/(s12*s124*z12^2) + 
   (4*s13*s23*z1*z2)/(s12^2*s123*z12^2) + (2*s14*s23*z1*z2)/
    (s12^2*s123*z12^2) + (2*s14*s23*z1*z2)/(s12^2*s124*z12^2) + 
   (2*s23^2*z1*z2)/(s12^2*s123*z12^2) + (4*s24*z1*z2)/(s12^2*z12^2) + 
   (2*s24*z1*z2)/(s12*s123*z12^2) + (4*s24*z1*z2)/(s12*s124*z12^2) + 
   (2*s13*s24*z1*z2)/(s12^2*s123*z12^2) + (2*s13*s24*z1*z2)/
    (s12^2*s124*z12^2) + (4*s14*s24*z1*z2)/(s12^2*s124*z12^2) + 
   (2*s23*s24*z1*z2)/(s12^2*s123*z12^2) + (2*s23*s24*z1*z2)/
    (s12^2*s124*z12^2) + (2*s24^2*z1*z2)/(s12^2*s124*z12^2) + 
   (2*s13*s14*z1*z2)/(s12*s34^2*z12^2) + (2*s13^2*s14*z1*z2)/
    (s12^2*s34^2*z12^2) + (2*s13*s14^2*z1*z2)/(s12^2*s34^2*z12^2) + 
   (2*s14*s23*z1*z2)/(s12*s34^2*z12^2) + (4*s13*s14*s23*z1*z2)/
    (s12^2*s34^2*z12^2) + (2*s14^2*s23*z1*z2)/(s12^2*s34^2*z12^2) + 
   (2*s14*s23^2*z1*z2)/(s12^2*s34^2*z12^2) + (2*s13*s24*z1*z2)/
    (s12*s34^2*z12^2) + (2*s13^2*s24*z1*z2)/(s12^2*s34^2*z12^2) + 
   (4*s13*s14*s24*z1*z2)/(s12^2*s34^2*z12^2) + 
   (2*s23*s24*z1*z2)/(s12*s34^2*z12^2) + (4*s13*s23*s24*z1*z2)/
    (s12^2*s34^2*z12^2) + (4*s14*s23*s24*z1*z2)/(s12^2*s34^2*z12^2) + 
   (2*s23^2*s24*z1*z2)/(s12^2*s34^2*z12^2) + (2*s13*s24^2*z1*z2)/
    (s12^2*s34^2*z12^2) + (2*s23*s24^2*z1*z2)/(s12^2*s34^2*z12^2) + 
   (2*z1*z2)/(s34*z12^2) + (6*s13*z1*z2)/(s12*s34*z12^2) + 
   (4*s13^2*z1*z2)/(s12^2*s34*z12^2) + (6*s14*z1*z2)/(s12*s34*z12^2) + 
   (10*s13*s14*z1*z2)/(s12^2*s34*z12^2) + (4*s14^2*z1*z2)/(s12^2*s34*z12^2) + 
   (6*s23*z1*z2)/(s12*s34*z12^2) + (8*s13*s23*z1*z2)/(s12^2*s34*z12^2) + 
   (10*s14*s23*z1*z2)/(s12^2*s34*z12^2) + (4*s23^2*z1*z2)/(s12^2*s34*z12^2) + 
   (6*s24*z1*z2)/(s12*s34*z12^2) + (10*s13*s24*z1*z2)/(s12^2*s34*z12^2) + 
   (8*s14*s24*z1*z2)/(s12^2*s34*z12^2) + (10*s23*s24*z1*z2)/
    (s12^2*s34*z12^2) + (4*s24^2*z1*z2)/(s12^2*s34*z12^2) + 
   (2*s34*z1*z2)/(s12*s123*z12^2) + (2*s34*z1*z2)/(s12*s124*z12^2) + 
   (2*s13*s34*z1*z2)/(s12^2*s123*z12^2) + (2*s14*s34*z1*z2)/
    (s12^2*s124*z12^2) + (2*s23*s34*z1*z2)/(s12^2*s123*z12^2) + 
   (2*s24*s34*z1*z2)/(s12^2*s124*z12^2) + z2/(s12*z12) - 
   (3*s13*z2)/(s12^2*z12) - (3*s13*z2)/(2*s12*s123*z12) - 
   (3*s13^2*z2)/(2*s12^2*s123*z12) + z2/(2*s134*z12) - 
   (3*s13*z2)/(4*s12*s134*z12) - (3*s14*z2)/(s12^2*z12) - 
   (3*s14*z2)/(2*s12*s124*z12) - (s13*s14*z2)/(s12^2*s123*z12) - 
   (s13*s14*z2)/(s12^2*s124*z12) - (3*s14*z2)/(4*s12*s134*z12) - 
   (3*s14^2*z2)/(2*s12^2*s124*z12) - (s23*z2)/(s12^2*z12) - 
   (s23*z2)/(2*s12*s123*z12) - (2*s13*s23*z2)/(s12^2*s123*z12) + 
   (s23*z2)/(4*s12*s134*z12) - (2*s14*s23*z2)/(s12^2*s124*z12) - 
   (s23^2*z2)/(2*s12^2*s123*z12) - z2/(2*s234*z12) + 
   (s12*z2)/(s123*s234*z12) - (2*s12*z2)/(s124*s234*z12) - 
   (5*s13*z2)/(4*s12*s234*z12) + (2*s13*z2)/(s123*s234*z12) - 
   (2*s13*z2)/(s124*s234*z12) + (s13^2*z2)/(s12*s123*s234*z12) - 
   (5*s14*z2)/(4*s12*s234*z12) + (s14*z2)/(s123*s234*z12) - 
   (4*s14*z2)/(s124*s234*z12) + (s13*s14*z2)/(s12*s123*s234*z12) - 
   (2*s13*s14*z2)/(s12*s124*s234*z12) - (2*s14^2*z2)/(s12*s124*s234*z12) - 
   (5*s23*z2)/(4*s12*s234*z12) + (2*s23*z2)/(s123*s234*z12) - 
   (2*s23*z2)/(s124*s234*z12) + (2*s13*s23*z2)/(s12*s123*s234*z12) + 
   (s14*s23*z2)/(s12*s123*s234*z12) - (2*s14*s23*z2)/(s12*s124*s234*z12) + 
   (s23^2*z2)/(s12*s123*s234*z12) - (s24*z2)/(s12^2*z12) - 
   (s24*z2)/(2*s12*s124*z12) - (2*s13*s24*z2)/(s12^2*s123*z12) + 
   (s24*z2)/(4*s12*s134*z12) - (2*s14*s24*z2)/(s12^2*s124*z12) - 
   (s23*s24*z2)/(s12^2*s123*z12) - (s23*s24*z2)/(s12^2*s124*z12) - 
   (5*s24*z2)/(4*s12*s234*z12) + (s24*z2)/(s123*s234*z12) - 
   (4*s24*z2)/(s124*s234*z12) + (s13*s24*z2)/(s12*s123*s234*z12) - 
   (2*s13*s24*z2)/(s12*s124*s234*z12) - (4*s14*s24*z2)/(s12*s124*s234*z12) + 
   (s23*s24*z2)/(s12*s123*s234*z12) - (2*s23*s24*z2)/(s12*s124*s234*z12) - 
   (s24^2*z2)/(2*s12^2*s124*z12) - (2*s24^2*z2)/(s12*s124*s234*z12) - 
   (s13*s14*z2)/(s134*s34^2*z12) - (s13^2*s14*z2)/(s12*s134*s34^2*z12) - 
   (s13*s14^2*z2)/(s12*s134*s34^2*z12) - (s14*s23*z2)/(s12*s34^2*z12) - 
   (s13*s14*s23*z2)/(s12^2*s34^2*z12) - (s14*s23*z2)/(2*s134*s34^2*z12) - 
   (3*s13*s14*s23*z2)/(2*s12*s134*s34^2*z12) - 
   (s14^2*s23*z2)/(s12^2*s34^2*z12) - (s14^2*s23*z2)/(2*s12*s134*s34^2*z12) - 
   (s14*s23^2*z2)/(s12^2*s34^2*z12) - (s14*s23^2*z2)/(2*s12*s134*s34^2*z12) - 
   (s14*s23*z2)/(2*s234*s34^2*z12) - (s13*s14*s23*z2)/
    (2*s12*s234*s34^2*z12) - (s14^2*s23*z2)/(2*s12*s234*s34^2*z12) - 
   (s14*s23^2*z2)/(2*s12*s234*s34^2*z12) - (s13*s24*z2)/(s12*s34^2*z12) - 
   (s13^2*s24*z2)/(s12^2*s34^2*z12) - (s13*s24*z2)/(2*s134*s34^2*z12) - 
   (s13^2*s24*z2)/(2*s12*s134*s34^2*z12) - (s13*s14*s24*z2)/
    (s12^2*s34^2*z12) - (3*s13*s14*s24*z2)/(2*s12*s134*s34^2*z12) - 
   (2*s23*s24*z2)/(s12*s34^2*z12) - (3*s13*s23*s24*z2)/(s12^2*s34^2*z12) - 
   (s13*s23*s24*z2)/(2*s12*s134*s34^2*z12) - (3*s14*s23*s24*z2)/
    (s12^2*s34^2*z12) - (s14*s23*s24*z2)/(2*s12*s134*s34^2*z12) - 
   (2*s23^2*s24*z2)/(s12^2*s34^2*z12) - (s13*s24*z2)/(2*s234*s34^2*z12) - 
   (s13^2*s24*z2)/(2*s12*s234*s34^2*z12) - (s13*s14*s24*z2)/
    (2*s12*s234*s34^2*z12) - (s23*s24*z2)/(s234*s34^2*z12) - 
   (3*s13*s23*s24*z2)/(2*s12*s234*s34^2*z12) - 
   (3*s14*s23*s24*z2)/(2*s12*s234*s34^2*z12) - 
   (s23^2*s24*z2)/(s12*s234*s34^2*z12) - (s13*s24^2*z2)/(s12^2*s34^2*z12) - 
   (s13*s24^2*z2)/(2*s12*s134*s34^2*z12) - (2*s23*s24^2*z2)/
    (s12^2*s34^2*z12) - (s13*s24^2*z2)/(2*s12*s234*s34^2*z12) - 
   (s23*s24^2*z2)/(s12*s234*s34^2*z12) + z2/(s34*z12) - 
   (2*s13*z2)/(s12*s34*z12) - (3*s13^2*z2)/(s12^2*s34*z12) + 
   (s12*z2)/(2*s134*s34*z12) - (s13*z2)/(4*s134*s34*z12) - 
   (3*s13^2*z2)/(4*s12*s134*s34*z12) - (2*s14*z2)/(s12*s34*z12) - 
   (6*s13*s14*z2)/(s12^2*s34*z12) + (s13*s14*z2)/(2*s12*s123*s34*z12) + 
   (s13*s14*z2)/(2*s12*s124*s34*z12) + (s13^2*s14*z2)/
    (2*s12^2*s123*s34*z12) + (s13^2*s14*z2)/(2*s12^2*s124*s34*z12) - 
   (s14*z2)/(4*s134*s34*z12) - (5*s13*s14*z2)/(2*s12*s134*s34*z12) - 
   (3*s14^2*z2)/(s12^2*s34*z12) + (s13*s14^2*z2)/(2*s12^2*s123*s34*z12) + 
   (s13*s14^2*z2)/(2*s12^2*s124*s34*z12) - 
   (3*s14^2*z2)/(4*s12*s134*s34*z12) - (4*s13*s23*z2)/(s12^2*s34*z12) + 
   (3*s23*z2)/(4*s134*s34*z12) - (s13*s23*z2)/(2*s12*s134*s34*z12) - 
   (5*s14*s23*z2)/(s12^2*s34*z12) + (s14*s23*z2)/(2*s12*s123*s34*z12) - 
   (s14*s23*z2)/(2*s12*s124*s34*z12) + (s13*s14*s23*z2)/
    (s12^2*s123*s34*z12) - (s14*s23*z2)/(s12*s134*s34*z12) + 
   (s14^2*s23*z2)/(2*s12^2*s123*s34*z12) - 
   (s14^2*s23*z2)/(2*s12^2*s124*s34*z12) - (s23^2*z2)/(s12^2*s34*z12) + 
   (s23^2*z2)/(4*s12*s134*s34*z12) + (s14*s23^2*z2)/(2*s12^2*s123*s34*z12) - 
   (s14*s23^2*z2)/(2*s12^2*s124*s34*z12) - (s12*z2)/(2*s234*s34*z12) - 
   (7*s13*z2)/(4*s234*s34*z12) - (5*s13^2*z2)/(4*s12*s234*s34*z12) - 
   (7*s14*z2)/(4*s234*s34*z12) - (5*s13*s14*z2)/(2*s12*s234*s34*z12) - 
   (5*s14^2*z2)/(4*s12*s234*s34*z12) - (7*s23*z2)/(4*s234*s34*z12) - 
   (5*s13*s23*z2)/(2*s12*s234*s34*z12) - (3*s14*s23*z2)/(s12*s234*s34*z12) - 
   (5*s23^2*z2)/(4*s12*s234*s34*z12) - (5*s13*s24*z2)/(s12^2*s34*z12) - 
   (s13*s24*z2)/(2*s12*s123*s34*z12) + (s13*s24*z2)/(2*s12*s124*s34*z12) - 
   (s13^2*s24*z2)/(2*s12^2*s123*s34*z12) + 
   (s13^2*s24*z2)/(2*s12^2*s124*s34*z12) + (3*s24*z2)/(4*s134*s34*z12) - 
   (s13*s24*z2)/(s12*s134*s34*z12) - (4*s14*s24*z2)/(s12^2*s34*z12) + 
   (s13*s14*s24*z2)/(s12^2*s124*s34*z12) - 
   (s14*s24*z2)/(2*s12*s134*s34*z12) - (4*s23*s24*z2)/(s12^2*s34*z12) - 
   (s23*s24*z2)/(2*s12*s123*s34*z12) - (s23*s24*z2)/(2*s12*s124*s34*z12) - 
   (s13*s23*s24*z2)/(s12^2*s123*s34*z12) + 
   (s23*s24*z2)/(2*s12*s134*s34*z12) - (s14*s23*s24*z2)/
    (s12^2*s124*s34*z12) - (s23^2*s24*z2)/(2*s12^2*s123*s34*z12) - 
   (s23^2*s24*z2)/(2*s12^2*s124*s34*z12) - (7*s24*z2)/(4*s234*s34*z12) - 
   (3*s13*s24*z2)/(s12*s234*s34*z12) - (5*s14*s24*z2)/(2*s12*s234*s34*z12) - 
   (7*s23*s24*z2)/(2*s12*s234*s34*z12) - (s24^2*z2)/(s12^2*s34*z12) - 
   (s13*s24^2*z2)/(2*s12^2*s123*s34*z12) + 
   (s13*s24^2*z2)/(2*s12^2*s124*s34*z12) + (s24^2*z2)/(4*s12*s134*s34*z12) - 
   (s23*s24^2*z2)/(2*s12^2*s123*s34*z12) - 
   (s23*s24^2*z2)/(2*s12^2*s124*s34*z12) - 
   (5*s24^2*z2)/(4*s12*s234*s34*z12) - (3*s13*s34*z2)/(2*s12^2*s123*z12) - 
   (3*s14*s34*z2)/(2*s12^2*s124*z12) - (s23*s34*z2)/(2*s12^2*s123*z12) + 
   (s34*z2)/(s123*s234*z12) - (2*s34*z2)/(s124*s234*z12) + 
   (s13*s34*z2)/(s12*s123*s234*z12) - (2*s14*s34*z2)/(s12*s124*s234*z12) + 
   (s23*s34*z2)/(s12*s123*s234*z12) - (s24*s34*z2)/(2*s12^2*s124*z12) - 
   (2*s24*s34*z2)/(s12*s124*s234*z12) + (2*z3)/(s12*z12) + z3/(s123*z12) + 
   (s13*z3)/(s12*s123*z12) + z3/(2*s134*z12) + (s14*z3)/(s12*s123*z12) - 
   (s14*z3)/(s12*s124*z12) + (s23*z3)/(s12*s123*z12) + z3/(2*s234*z12) + 
   (s24*z3)/(s12*s123*z12) - (s24*z3)/(s12*s124*z12) - (s14*z3)/(s34^2*z12) - 
   (s13*s14*z3)/(s12*s34^2*z12) - (s13*s14*z3)/(4*s134*s34^2*z12) - 
   (s13^2*s14*z3)/(4*s12*s134*s34^2*z12) - (s14^2*z3)/(s12*s34^2*z12) + 
   (s14^2*z3)/(4*s134*s34^2*z12) + (s14^3*z3)/(4*s12*s134*s34^2*z12) - 
   (s14*s23*z3)/(s12*s34^2*z12) - (s14*s23*z3)/(4*s134*s34^2*z12) - 
   (s13*s14*s23*z3)/(2*s12*s134*s34^2*z12) - 
   (s14*s23^2*z3)/(4*s12*s134*s34^2*z12) + (s13*s14*z3)/(4*s234*s34^2*z12) + 
   (s13^2*s14*z3)/(4*s12*s234*s34^2*z12) - (s14^2*z3)/(4*s234*s34^2*z12) - 
   (s14^3*z3)/(4*s12*s234*s34^2*z12) + (s14*s23*z3)/(4*s234*s34^2*z12) + 
   (s13*s14*s23*z3)/(2*s12*s234*s34^2*z12) + 
   (s14*s23^2*z3)/(4*s12*s234*s34^2*z12) - (s24*z3)/(s34^2*z12) - 
   (s13*s24*z3)/(s12*s34^2*z12) + (s13*s24*z3)/(4*s134*s34^2*z12) + 
   (s13^2*s24*z3)/(4*s12*s134*s34^2*z12) - (2*s14*s24*z3)/(s12*s34^2*z12) + 
   (s14^2*s24*z3)/(4*s12*s134*s34^2*z12) - (s23*s24*z3)/(s12*s34^2*z12) + 
   (s23*s24*z3)/(4*s134*s34^2*z12) + (s13*s23*s24*z3)/
    (2*s12*s134*s34^2*z12) + (s23^2*s24*z3)/(4*s12*s134*s34^2*z12) - 
   (s13*s24*z3)/(4*s234*s34^2*z12) - (s13^2*s24*z3)/(4*s12*s234*s34^2*z12) - 
   (s14^2*s24*z3)/(4*s12*s234*s34^2*z12) - (s23*s24*z3)/(4*s234*s34^2*z12) - 
   (s13*s23*s24*z3)/(2*s12*s234*s34^2*z12) - 
   (s23^2*s24*z3)/(4*s12*s234*s34^2*z12) - (s24^2*z3)/(s12*s34^2*z12) - 
   (s24^2*z3)/(4*s134*s34^2*z12) - (s14*s24^2*z3)/(4*s12*s134*s34^2*z12) + 
   (s24^2*z3)/(4*s234*s34^2*z12) + (s14*s24^2*z3)/(4*s12*s234*s34^2*z12) - 
   (s24^3*z3)/(4*s12*s134*s34^2*z12) + (s24^3*z3)/(4*s12*s234*s34^2*z12) + 
   (2*z3)/(s34*z12) + (2*s13*z3)/(s12*s34*z12) + (s12*z3)/(2*s134*s34*z12) + 
   (s13*z3)/(2*s134*s34*z12) + (s14*z3)/(s12*s34*z12) - 
   (s14*z3)/(s124*s34*z12) - (s13*s14*z3)/(s12*s124*s34*z12) + 
   (s14*z3)/(2*s134*s34*z12) - (s13*s14*z3)/(4*s12*s134*s34*z12) - 
   (s14^2*z3)/(s12*s124*s34*z12) + (s14^2*z3)/(4*s12*s134*s34*z12) + 
   (2*s23*z3)/(s12*s34*z12) + (s23*z3)/(2*s134*s34*z12) - 
   (s14*s23*z3)/(s12*s124*s34*z12) - (s14*s23*z3)/(4*s12*s134*s34*z12) + 
   (s12*z3)/(2*s234*s34*z12) + (s13*z3)/(2*s234*s34*z12) + 
   (s14*z3)/(2*s234*s34*z12) + (s13*s14*z3)/(4*s12*s234*s34*z12) - 
   (s14^2*z3)/(4*s12*s234*s34*z12) + (s23*z3)/(2*s234*s34*z12) + 
   (s14*s23*z3)/(4*s12*s234*s34*z12) + (s24*z3)/(s12*s34*z12) - 
   (s24*z3)/(s124*s34*z12) - (s13*s24*z3)/(s12*s124*s34*z12) + 
   (s24*z3)/(2*s134*s34*z12) + (s13*s24*z3)/(4*s12*s134*s34*z12) - 
   (2*s14*s24*z3)/(s12*s124*s34*z12) - (s23*s24*z3)/(s12*s124*s34*z12) + 
   (s23*s24*z3)/(4*s12*s134*s34*z12) + (s24*z3)/(2*s234*s34*z12) - 
   (s13*s24*z3)/(4*s12*s234*s34*z12) - (s23*s24*z3)/(4*s12*s234*s34*z12) - 
   (s24^2*z3)/(s12*s124*s34*z12) - (s24^2*z3)/(4*s12*s134*s34*z12) + 
   (s24^2*z3)/(4*s12*s234*s34*z12) + (s34*z3)/(s12*s123*z12) + 
   (3*z1)/(s12*z34) + (5*s13*z1)/(s12^2*z34) + (s13*z1)/(4*s12*s123*z34) + 
   (s13*z1)/(4*s12*s124*z34) + (s13^2*z1)/(4*s12^2*s123*z34) + 
   (s13^2*z1)/(4*s12^2*s124*z34) + (3*z1)/(s134*z34) + 
   (6*s13*z1)/(s12*s134*z34) + (s13*z1)/(s123*s134*z34) - 
   (s13*z1)/(2*s124*s134*z34) + (s13^2*z1)/(s12*s123*s134*z34) - 
   (s13^2*z1)/(2*s12*s124*s134*z34) + (5*s14*z1)/(s12^2*z34) + 
   (s14*z1)/(4*s12*s123*z34) + (s14*z1)/(4*s12*s124*z34) + 
   (s13*s14*z1)/(2*s12^2*s123*z34) + (s13*s14*z1)/(2*s12^2*s124*z34) + 
   (6*s14*z1)/(s12*s134*z34) + (s14*z1)/(s123*s134*z34) - 
   (s14*z1)/(2*s124*s134*z34) + (2*s13*s14*z1)/(s12*s123*s134*z34) - 
   (s13*s14*z1)/(s12*s124*s134*z34) + (s14^2*z1)/(4*s12^2*s123*z34) + 
   (s14^2*z1)/(4*s12^2*s124*z34) + (s14^2*z1)/(s12*s123*s134*z34) - 
   (s14^2*z1)/(2*s12*s124*s134*z34) + (6*s23*z1)/(s12^2*z34) + 
   (3*s23*z1)/(4*s12*s123*z34) + (3*s23*z1)/(4*s12*s124*z34) + 
   (s13*s23*z1)/(s12^2*s123*z34) + (s13*s23*z1)/(s12^2*s124*z34) + 
   (9*s23*z1)/(2*s12*s134*z34) + (s13*s23*z1)/(s12*s123*s134*z34) - 
   (s13*s23*z1)/(2*s12*s124*s134*z34) + (s14*s23*z1)/(s12^2*s123*z34) + 
   (s14*s23*z1)/(s12^2*s124*z34) + (s14*s23*z1)/(s12*s123*s134*z34) - 
   (s14*s23*z1)/(2*s12*s124*s134*z34) + (3*s23^2*z1)/(4*s12^2*s123*z34) + 
   (3*s23^2*z1)/(4*s12^2*s124*z34) + (2*z1)/(s234*z34) + 
   (2*s13*z1)/(s12*s234*z34) + (2*s12*z1)/(s134*s234*z34) + 
   (2*s13*z1)/(s134*s234*z34) + (2*s14*z1)/(s12*s234*z34) + 
   (2*s14*z1)/(s134*s234*z34) + (7*s23*z1)/(2*s12*s234*z34) - 
   (s23*z1)/(2*s123*s234*z34) + (s23*z1)/(s124*s234*z34) - 
   (s13*s23*z1)/(2*s12*s123*s234*z34) + (s13*s23*z1)/(s12*s124*s234*z34) + 
   (4*s23*z1)/(s134*s234*z34) - (s14*s23*z1)/(2*s12*s123*s234*z34) + 
   (s14*s23*z1)/(s12*s124*s234*z34) - (s23^2*z1)/(2*s12*s123*s234*z34) + 
   (s23^2*z1)/(s12*s124*s234*z34) + (6*s24*z1)/(s12^2*z34) + 
   (3*s24*z1)/(4*s12*s123*z34) + (3*s24*z1)/(4*s12*s124*z34) + 
   (s13*s24*z1)/(s12^2*s123*z34) + (s13*s24*z1)/(s12^2*s124*z34) + 
   (9*s24*z1)/(2*s12*s134*z34) + (s13*s24*z1)/(s12*s123*s134*z34) - 
   (s13*s24*z1)/(2*s12*s124*s134*z34) + (s14*s24*z1)/(s12^2*s123*z34) + 
   (s14*s24*z1)/(s12^2*s124*z34) + (s14*s24*z1)/(s12*s123*s134*z34) - 
   (s14*s24*z1)/(2*s12*s124*s134*z34) + (3*s23*s24*z1)/(2*s12^2*s123*z34) + 
   (3*s23*s24*z1)/(2*s12^2*s124*z34) + (7*s24*z1)/(2*s12*s234*z34) - 
   (s24*z1)/(2*s123*s234*z34) + (s24*z1)/(s124*s234*z34) - 
   (s13*s24*z1)/(2*s12*s123*s234*z34) + (s13*s24*z1)/(s12*s124*s234*z34) + 
   (4*s24*z1)/(s134*s234*z34) - (s14*s24*z1)/(2*s12*s123*s234*z34) + 
   (s14*s24*z1)/(s12*s124*s234*z34) - (s23*s24*z1)/(s12*s123*s234*z34) + 
   (2*s23*s24*z1)/(s12*s124*s234*z34) + (3*s24^2*z1)/(4*s12^2*s123*z34) + 
   (3*s24^2*z1)/(4*s12^2*s124*z34) - (s24^2*z1)/(2*s12*s123*s234*z34) + 
   (s24^2*z1)/(s12*s124*s234*z34) + (2*s13*z1)/(s12*s34*z34) + 
   (2*s13^2*z1)/(s12^2*s34*z34) + (3*s13*z1)/(s134*s34*z34) + 
   (3*s13^2*z1)/(s12*s134*s34*z34) + (2*s14*z1)/(s12*s34*z34) + 
   (4*s13*s14*z1)/(s12^2*s34*z34) + (3*s14*z1)/(s134*s34*z34) + 
   (6*s13*s14*z1)/(s12*s134*s34*z34) + (2*s14^2*z1)/(s12^2*s34*z34) + 
   (3*s14^2*z1)/(s12*s134*s34*z34) + (3*s23*z1)/(s12*s34*z34) + 
   (5*s13*s23*z1)/(s12^2*s34*z34) + (3*s23*z1)/(2*s134*s34*z34) + 
   (9*s13*s23*z1)/(2*s12*s134*s34*z34) + (5*s14*s23*z1)/(s12^2*s34*z34) + 
   (9*s14*s23*z1)/(2*s12*s134*s34*z34) + (3*s23^2*z1)/(s12^2*s34*z34) + 
   (3*s23^2*z1)/(2*s12*s134*s34*z34) + (3*s23*z1)/(2*s234*s34*z34) + 
   (3*s13*s23*z1)/(2*s12*s234*s34*z34) + (2*s12*s23*z1)/(s134*s234*s34*z34) + 
   (2*s13*s23*z1)/(s134*s234*s34*z34) + (3*s14*s23*z1)/(2*s12*s234*s34*z34) + 
   (2*s14*s23*z1)/(s134*s234*s34*z34) + (3*s23^2*z1)/(2*s12*s234*s34*z34) + 
   (2*s23^2*z1)/(s134*s234*s34*z34) + (3*s24*z1)/(s12*s34*z34) + 
   (5*s13*s24*z1)/(s12^2*s34*z34) + (3*s24*z1)/(2*s134*s34*z34) + 
   (9*s13*s24*z1)/(2*s12*s134*s34*z34) + (5*s14*s24*z1)/(s12^2*s34*z34) + 
   (9*s14*s24*z1)/(2*s12*s134*s34*z34) + (6*s23*s24*z1)/(s12^2*s34*z34) + 
   (3*s23*s24*z1)/(s12*s134*s34*z34) + (3*s24*z1)/(2*s234*s34*z34) + 
   (3*s13*s24*z1)/(2*s12*s234*s34*z34) + (2*s12*s24*z1)/(s134*s234*s34*z34) + 
   (2*s13*s24*z1)/(s134*s234*s34*z34) + (3*s14*s24*z1)/(2*s12*s234*s34*z34) + 
   (2*s14*s24*z1)/(s134*s234*s34*z34) + (3*s23*s24*z1)/(s12*s234*s34*z34) + 
   (4*s23*s24*z1)/(s134*s234*s34*z34) + (3*s24^2*z1)/(s12^2*s34*z34) + 
   (3*s24^2*z1)/(2*s12*s134*s34*z34) + (3*s24^2*z1)/(2*s12*s234*s34*z34) + 
   (2*s24^2*z1)/(s134*s234*s34*z34) + (3*s34*z1)/(s12^2*z34) + 
   (s34*z1)/(2*s12*s123*z34) + (s34*z1)/(2*s12*s124*z34) + 
   (3*s13*s34*z1)/(4*s12^2*s123*z34) + (3*s13*s34*z1)/(4*s12^2*s124*z34) + 
   (3*s34*z1)/(s12*s134*z34) + (s34*z1)/(s123*s134*z34) - 
   (s34*z1)/(2*s124*s134*z34) + (2*s13*s34*z1)/(s12*s123*s134*z34) - 
   (s13*s34*z1)/(s12*s124*s134*z34) + (3*s14*s34*z1)/(4*s12^2*s123*z34) + 
   (3*s14*s34*z1)/(4*s12^2*s124*z34) + (2*s14*s34*z1)/(s12*s123*s134*z34) - 
   (s14*s34*z1)/(s12*s124*s134*z34) + (5*s23*s34*z1)/(4*s12^2*s123*z34) + 
   (5*s23*s34*z1)/(4*s12^2*s124*z34) + (s23*s34*z1)/(s12*s123*s134*z34) - 
   (s23*s34*z1)/(2*s12*s124*s134*z34) + (2*s34*z1)/(s12*s234*z34) - 
   (s34*z1)/(2*s123*s234*z34) + (s34*z1)/(s124*s234*z34) - 
   (s13*s34*z1)/(2*s12*s123*s234*z34) + (s13*s34*z1)/(s12*s124*s234*z34) + 
   (2*s34*z1)/(s134*s234*z34) - (s14*s34*z1)/(2*s12*s123*s234*z34) + 
   (s14*s34*z1)/(s12*s124*s234*z34) - (s23*s34*z1)/(s12*s123*s234*z34) + 
   (2*s23*s34*z1)/(s12*s124*s234*z34) + (5*s24*s34*z1)/(4*s12^2*s123*z34) + 
   (5*s24*s34*z1)/(4*s12^2*s124*z34) + (s24*s34*z1)/(s12*s123*s134*z34) - 
   (s24*s34*z1)/(2*s12*s124*s134*z34) - (s24*s34*z1)/(s12*s123*s234*z34) + 
   (2*s24*s34*z1)/(s12*s124*s234*z34) + (s34^2*z1)/(2*s12^2*s123*z34) + 
   (s34^2*z1)/(2*s12^2*s124*z34) + (s34^2*z1)/(s12*s123*s134*z34) - 
   (s34^2*z1)/(2*s12*s124*s134*z34) - (s34^2*z1)/(2*s12*s123*s234*z34) + 
   (s34^2*z1)/(s12*s124*s234*z34) - (3*z1^2)/(s12*z12*z34) - 
   (5*s13*z1^2)/(s12^2*z12*z34) - (s13*z1^2)/(4*s12*s123*z12*z34) - 
   (s13*z1^2)/(4*s12*s124*z12*z34) - (s13^2*z1^2)/(4*s12^2*s123*z12*z34) - 
   (s13^2*z1^2)/(4*s12^2*s124*z12*z34) - (3*z1^2)/(2*s134*z12*z34) - 
   (5*s13*z1^2)/(2*s12*s134*z12*z34) - (5*s14*z1^2)/(s12^2*z12*z34) - 
   (s14*z1^2)/(4*s12*s123*z12*z34) - (s14*z1^2)/(4*s12*s124*z12*z34) - 
   (s13*s14*z1^2)/(2*s12^2*s123*z12*z34) - 
   (s13*s14*z1^2)/(2*s12^2*s124*z12*z34) - 
   (5*s14*z1^2)/(2*s12*s134*z12*z34) - (s14^2*z1^2)/(4*s12^2*s123*z12*z34) - 
   (s14^2*z1^2)/(4*s12^2*s124*z12*z34) - (4*s23*z1^2)/(s12^2*z12*z34) - 
   (s23*z1^2)/(4*s12*s123*z12*z34) - (s23*z1^2)/(4*s12*s124*z12*z34) - 
   (s13*s23*z1^2)/(2*s12^2*s123*z12*z34) - 
   (s13*s23*z1^2)/(2*s12^2*s124*z12*z34) - (2*s23*z1^2)/(s12*s134*z12*z34) - 
   (s14*s23*z1^2)/(2*s12^2*s123*z12*z34) - 
   (s14*s23*z1^2)/(2*s12^2*s124*z12*z34) - 
   (s23^2*z1^2)/(4*s12^2*s123*z12*z34) - 
   (s23^2*z1^2)/(4*s12^2*s124*z12*z34) - z1^2/(2*s234*z12*z34) - 
   (s13*z1^2)/(2*s12*s234*z12*z34) - (s14*z1^2)/(2*s12*s234*z12*z34) - 
   (s23*z1^2)/(s12*s234*z12*z34) - (4*s24*z1^2)/(s12^2*z12*z34) - 
   (s24*z1^2)/(4*s12*s123*z12*z34) - (s24*z1^2)/(4*s12*s124*z12*z34) - 
   (s13*s24*z1^2)/(2*s12^2*s123*z12*z34) - 
   (s13*s24*z1^2)/(2*s12^2*s124*z12*z34) - (2*s24*z1^2)/(s12*s134*z12*z34) - 
   (s14*s24*z1^2)/(2*s12^2*s123*z12*z34) - 
   (s14*s24*z1^2)/(2*s12^2*s124*z12*z34) - 
   (s23*s24*z1^2)/(2*s12^2*s123*z12*z34) - 
   (s23*s24*z1^2)/(2*s12^2*s124*z12*z34) - (s24*z1^2)/(s12*s234*z12*z34) - 
   (s24^2*z1^2)/(4*s12^2*s123*z12*z34) - 
   (s24^2*z1^2)/(4*s12^2*s124*z12*z34) - (2*s13*z1^2)/(s12*s34*z12*z34) - 
   (2*s13^2*z1^2)/(s12^2*s34*z12*z34) - (s13*z1^2)/(s134*s34*z12*z34) - 
   (s13^2*z1^2)/(s12*s134*s34*z12*z34) - (2*s14*z1^2)/(s12*s34*z12*z34) - 
   (4*s13*s14*z1^2)/(s12^2*s34*z12*z34) - (s14*z1^2)/(s134*s34*z12*z34) - 
   (2*s13*s14*z1^2)/(s12*s134*s34*z12*z34) - 
   (2*s14^2*z1^2)/(s12^2*s34*z12*z34) - (s14^2*z1^2)/(s12*s134*s34*z12*z34) - 
   (s23*z1^2)/(s12*s34*z12*z34) - (3*s13*s23*z1^2)/(s12^2*s34*z12*z34) - 
   (s23*z1^2)/(2*s134*s34*z12*z34) - (3*s13*s23*z1^2)/
    (2*s12*s134*s34*z12*z34) - (3*s14*s23*z1^2)/(s12^2*s34*z12*z34) - 
   (3*s14*s23*z1^2)/(2*s12*s134*s34*z12*z34) - 
   (s23^2*z1^2)/(s12^2*s34*z12*z34) - (s23^2*z1^2)/(2*s12*s134*s34*z12*z34) - 
   (s23*z1^2)/(2*s234*s34*z12*z34) - (s13*s23*z1^2)/
    (2*s12*s234*s34*z12*z34) - (s14*s23*z1^2)/(2*s12*s234*s34*z12*z34) - 
   (s23^2*z1^2)/(2*s12*s234*s34*z12*z34) - (s24*z1^2)/(s12*s34*z12*z34) - 
   (3*s13*s24*z1^2)/(s12^2*s34*z12*z34) - (s24*z1^2)/(2*s134*s34*z12*z34) - 
   (3*s13*s24*z1^2)/(2*s12*s134*s34*z12*z34) - 
   (3*s14*s24*z1^2)/(s12^2*s34*z12*z34) - (3*s14*s24*z1^2)/
    (2*s12*s134*s34*z12*z34) - (2*s23*s24*z1^2)/(s12^2*s34*z12*z34) - 
   (s23*s24*z1^2)/(s12*s134*s34*z12*z34) - (s24*z1^2)/(2*s234*s34*z12*z34) - 
   (s13*s24*z1^2)/(2*s12*s234*s34*z12*z34) - 
   (s14*s24*z1^2)/(2*s12*s234*s34*z12*z34) - 
   (s23*s24*z1^2)/(s12*s234*s34*z12*z34) - (s24^2*z1^2)/(s12^2*s34*z12*z34) - 
   (s24^2*z1^2)/(2*s12*s134*s34*z12*z34) - 
   (s24^2*z1^2)/(2*s12*s234*s34*z12*z34) - (3*s34*z1^2)/(s12^2*z12*z34) - 
   (s34*z1^2)/(2*s12*s123*z12*z34) - (s34*z1^2)/(2*s12*s124*z12*z34) - 
   (3*s13*s34*z1^2)/(4*s12^2*s123*z12*z34) - (3*s13*s34*z1^2)/
    (4*s12^2*s124*z12*z34) - (3*s34*z1^2)/(2*s12*s134*z12*z34) - 
   (3*s14*s34*z1^2)/(4*s12^2*s123*z12*z34) - (3*s14*s34*z1^2)/
    (4*s12^2*s124*z12*z34) - (3*s23*s34*z1^2)/(4*s12^2*s123*z12*z34) - 
   (3*s23*s34*z1^2)/(4*s12^2*s124*z12*z34) - 
   (s34*z1^2)/(2*s12*s234*z12*z34) - (3*s24*s34*z1^2)/
    (4*s12^2*s123*z12*z34) - (3*s24*s34*z1^2)/(4*s12^2*s124*z12*z34) - 
   (s34^2*z1^2)/(2*s12^2*s123*z12*z34) - 
   (s34^2*z1^2)/(2*s12^2*s124*z12*z34) + (3*z2)/(s12*z34) + 
   (6*s13*z2)/(s12^2*z34) + (3*s13*z2)/(4*s12*s123*z34) + 
   (3*s13*z2)/(4*s12*s124*z34) + (3*s13^2*z2)/(4*s12^2*s123*z34) + 
   (3*s13^2*z2)/(4*s12^2*s124*z34) + (2*z2)/(s134*z34) + 
   (7*s13*z2)/(2*s12*s134*z34) + (s13*z2)/(s123*s134*z34) - 
   (s13*z2)/(2*s124*s134*z34) + (s13^2*z2)/(s12*s123*s134*z34) - 
   (s13^2*z2)/(2*s12*s124*s134*z34) + (6*s14*z2)/(s12^2*z34) + 
   (3*s14*z2)/(4*s12*s123*z34) + (3*s14*z2)/(4*s12*s124*z34) + 
   (3*s13*s14*z2)/(2*s12^2*s123*z34) + (3*s13*s14*z2)/(2*s12^2*s124*z34) + 
   (7*s14*z2)/(2*s12*s134*z34) + (s14*z2)/(s123*s134*z34) - 
   (s14*z2)/(2*s124*s134*z34) + (2*s13*s14*z2)/(s12*s123*s134*z34) - 
   (s13*s14*z2)/(s12*s124*s134*z34) + (3*s14^2*z2)/(4*s12^2*s123*z34) + 
   (3*s14^2*z2)/(4*s12^2*s124*z34) + (s14^2*z2)/(s12*s123*s134*z34) - 
   (s14^2*z2)/(2*s12*s124*s134*z34) + (5*s23*z2)/(s12^2*z34) + 
   (s23*z2)/(4*s12*s123*z34) + (s23*z2)/(4*s12*s124*z34) + 
   (s13*s23*z2)/(s12^2*s123*z34) + (s13*s23*z2)/(s12^2*s124*z34) + 
   (2*s23*z2)/(s12*s134*z34) + (s13*s23*z2)/(s12*s123*s134*z34) - 
   (s13*s23*z2)/(2*s12*s124*s134*z34) + (s14*s23*z2)/(s12^2*s123*z34) + 
   (s14*s23*z2)/(s12^2*s124*z34) + (s14*s23*z2)/(s12*s123*s134*z34) - 
   (s14*s23*z2)/(2*s12*s124*s134*z34) + (s23^2*z2)/(4*s12^2*s123*z34) + 
   (s23^2*z2)/(4*s12^2*s124*z34) + (3*z2)/(s234*z34) + 
   (9*s13*z2)/(2*s12*s234*z34) + (2*s12*z2)/(s134*s234*z34) + 
   (4*s13*z2)/(s134*s234*z34) + (9*s14*z2)/(2*s12*s234*z34) + 
   (4*s14*z2)/(s134*s234*z34) + (6*s23*z2)/(s12*s234*z34) - 
   (s23*z2)/(2*s123*s234*z34) + (s23*z2)/(s124*s234*z34) - 
   (s13*s23*z2)/(2*s12*s123*s234*z34) + (s13*s23*z2)/(s12*s124*s234*z34) + 
   (2*s23*z2)/(s134*s234*z34) - (s14*s23*z2)/(2*s12*s123*s234*z34) + 
   (s14*s23*z2)/(s12*s124*s234*z34) - (s23^2*z2)/(2*s12*s123*s234*z34) + 
   (s23^2*z2)/(s12*s124*s234*z34) + (5*s24*z2)/(s12^2*z34) + 
   (s24*z2)/(4*s12*s123*z34) + (s24*z2)/(4*s12*s124*z34) + 
   (s13*s24*z2)/(s12^2*s123*z34) + (s13*s24*z2)/(s12^2*s124*z34) + 
   (2*s24*z2)/(s12*s134*z34) + (s13*s24*z2)/(s12*s123*s134*z34) - 
   (s13*s24*z2)/(2*s12*s124*s134*z34) + (s14*s24*z2)/(s12^2*s123*z34) + 
   (s14*s24*z2)/(s12^2*s124*z34) + (s14*s24*z2)/(s12*s123*s134*z34) - 
   (s14*s24*z2)/(2*s12*s124*s134*z34) + (s23*s24*z2)/(2*s12^2*s123*z34) + 
   (s23*s24*z2)/(2*s12^2*s124*z34) + (6*s24*z2)/(s12*s234*z34) - 
   (s24*z2)/(2*s123*s234*z34) + (s24*z2)/(s124*s234*z34) - 
   (s13*s24*z2)/(2*s12*s123*s234*z34) + (s13*s24*z2)/(s12*s124*s234*z34) + 
   (2*s24*z2)/(s134*s234*z34) - (s14*s24*z2)/(2*s12*s123*s234*z34) + 
   (s14*s24*z2)/(s12*s124*s234*z34) - (s23*s24*z2)/(s12*s123*s234*z34) + 
   (2*s23*s24*z2)/(s12*s124*s234*z34) + (s24^2*z2)/(4*s12^2*s123*z34) + 
   (s24^2*z2)/(4*s12^2*s124*z34) - (s24^2*z2)/(2*s12*s123*s234*z34) + 
   (s24^2*z2)/(s12*s124*s234*z34) + (3*s13*z2)/(s12*s34*z34) + 
   (3*s13^2*z2)/(s12^2*s34*z34) + (3*s13*z2)/(2*s134*s34*z34) + 
   (3*s13^2*z2)/(2*s12*s134*s34*z34) + (3*s14*z2)/(s12*s34*z34) + 
   (6*s13*s14*z2)/(s12^2*s34*z34) + (3*s14*z2)/(2*s134*s34*z34) + 
   (3*s13*s14*z2)/(s12*s134*s34*z34) + (3*s14^2*z2)/(s12^2*s34*z34) + 
   (3*s14^2*z2)/(2*s12*s134*s34*z34) + (2*s23*z2)/(s12*s34*z34) + 
   (5*s13*s23*z2)/(s12^2*s34*z34) + (3*s13*s23*z2)/(2*s12*s134*s34*z34) + 
   (5*s14*s23*z2)/(s12^2*s34*z34) + (3*s14*s23*z2)/(2*s12*s134*s34*z34) + 
   (2*s23^2*z2)/(s12^2*s34*z34) + (3*s13*z2)/(2*s234*s34*z34) + 
   (3*s13^2*z2)/(2*s12*s234*s34*z34) + (2*s12*s13*z2)/(s134*s234*s34*z34) + 
   (2*s13^2*z2)/(s134*s234*s34*z34) + (3*s14*z2)/(2*s234*s34*z34) + 
   (3*s13*s14*z2)/(s12*s234*s34*z34) + (2*s12*s14*z2)/(s134*s234*s34*z34) + 
   (4*s13*s14*z2)/(s134*s234*s34*z34) + (3*s14^2*z2)/(2*s12*s234*s34*z34) + 
   (2*s14^2*z2)/(s134*s234*s34*z34) + (3*s23*z2)/(s234*s34*z34) + 
   (9*s13*s23*z2)/(2*s12*s234*s34*z34) + (2*s13*s23*z2)/(s134*s234*s34*z34) + 
   (9*s14*s23*z2)/(2*s12*s234*s34*z34) + (2*s14*s23*z2)/(s134*s234*s34*z34) + 
   (3*s23^2*z2)/(s12*s234*s34*z34) + (2*s24*z2)/(s12*s34*z34) + 
   (5*s13*s24*z2)/(s12^2*s34*z34) + (3*s13*s24*z2)/(2*s12*s134*s34*z34) + 
   (5*s14*s24*z2)/(s12^2*s34*z34) + (3*s14*s24*z2)/(2*s12*s134*s34*z34) + 
   (4*s23*s24*z2)/(s12^2*s34*z34) + (3*s24*z2)/(s234*s34*z34) + 
   (9*s13*s24*z2)/(2*s12*s234*s34*z34) + (2*s13*s24*z2)/(s134*s234*s34*z34) + 
   (9*s14*s24*z2)/(2*s12*s234*s34*z34) + (2*s14*s24*z2)/(s134*s234*s34*z34) + 
   (6*s23*s24*z2)/(s12*s234*s34*z34) + (2*s24^2*z2)/(s12^2*s34*z34) + 
   (3*s24^2*z2)/(s12*s234*s34*z34) + (3*s34*z2)/(s12^2*z34) + 
   (s34*z2)/(2*s12*s123*z34) + (s34*z2)/(2*s12*s124*z34) + 
   (5*s13*s34*z2)/(4*s12^2*s123*z34) + (5*s13*s34*z2)/(4*s12^2*s124*z34) + 
   (2*s34*z2)/(s12*s134*z34) + (s34*z2)/(s123*s134*z34) - 
   (s34*z2)/(2*s124*s134*z34) + (2*s13*s34*z2)/(s12*s123*s134*z34) - 
   (s13*s34*z2)/(s12*s124*s134*z34) + (5*s14*s34*z2)/(4*s12^2*s123*z34) + 
   (5*s14*s34*z2)/(4*s12^2*s124*z34) + (2*s14*s34*z2)/(s12*s123*s134*z34) - 
   (s14*s34*z2)/(s12*s124*s134*z34) + (3*s23*s34*z2)/(4*s12^2*s123*z34) + 
   (3*s23*s34*z2)/(4*s12^2*s124*z34) + (s23*s34*z2)/(s12*s123*s134*z34) - 
   (s23*s34*z2)/(2*s12*s124*s134*z34) + (3*s34*z2)/(s12*s234*z34) - 
   (s34*z2)/(2*s123*s234*z34) + (s34*z2)/(s124*s234*z34) - 
   (s13*s34*z2)/(2*s12*s123*s234*z34) + (s13*s34*z2)/(s12*s124*s234*z34) + 
   (2*s34*z2)/(s134*s234*z34) - (s14*s34*z2)/(2*s12*s123*s234*z34) + 
   (s14*s34*z2)/(s12*s124*s234*z34) - (s23*s34*z2)/(s12*s123*s234*z34) + 
   (2*s23*s34*z2)/(s12*s124*s234*z34) + (3*s24*s34*z2)/(4*s12^2*s123*z34) + 
   (3*s24*s34*z2)/(4*s12^2*s124*z34) + (s24*s34*z2)/(s12*s123*s134*z34) - 
   (s24*s34*z2)/(2*s12*s124*s134*z34) - (s24*s34*z2)/(s12*s123*s234*z34) + 
   (2*s24*s34*z2)/(s12*s124*s234*z34) + (s34^2*z2)/(2*s12^2*s123*z34) + 
   (s34^2*z2)/(2*s12^2*s124*z34) + (s34^2*z2)/(s12*s123*s134*z34) - 
   (s34^2*z2)/(2*s12*s124*s134*z34) - (s34^2*z2)/(2*s12*s123*s234*z34) + 
   (s34^2*z2)/(s12*s124*s234*z34) + (4*z1^2*z2)/(s12*z12^2*z34) + 
   (6*s13*z1^2*z2)/(s12^2*z12^2*z34) + (6*s14*z1^2*z2)/(s12^2*z12^2*z34) + 
   (6*s23*z1^2*z2)/(s12^2*z12^2*z34) + (6*s24*z1^2*z2)/(s12^2*z12^2*z34) + 
   (2*s13*z1^2*z2)/(s12*s34*z12^2*z34) + (2*s13^2*z1^2*z2)/
    (s12^2*s34*z12^2*z34) + (2*s14*z1^2*z2)/(s12*s34*z12^2*z34) + 
   (4*s13*s14*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (2*s14^2*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (2*s23*z1^2*z2)/(s12*s34*z12^2*z34) + (4*s13*s23*z1^2*z2)/
    (s12^2*s34*z12^2*z34) + (4*s14*s23*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (2*s23^2*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (2*s24*z1^2*z2)/(s12*s34*z12^2*z34) + (4*s13*s24*z1^2*z2)/
    (s12^2*s34*z12^2*z34) + (4*s14*s24*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (4*s23*s24*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (2*s24^2*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (4*s34*z1^2*z2)/(s12^2*z12^2*z34) - (2*z1*z2)/(s12*z12*z34) - 
   (3*s13*z1*z2)/(s12^2*z12*z34) + (s13*z1*z2)/(2*s12*s123*z12*z34) + 
   (s13*z1*z2)/(2*s12*s124*z12*z34) + (s13^2*z1*z2)/(2*s12^2*s123*z12*z34) + 
   (s13^2*z1*z2)/(2*s12^2*s124*z12*z34) - (2*z1*z2)/(s134*z12*z34) - 
   (7*s13*z1*z2)/(2*s12*s134*z12*z34) - (3*s14*z1*z2)/(s12^2*z12*z34) + 
   (s14*z1*z2)/(2*s12*s123*z12*z34) + (s14*z1*z2)/(2*s12*s124*z12*z34) + 
   (s13*s14*z1*z2)/(s12^2*s123*z12*z34) + (s13*s14*z1*z2)/
    (s12^2*s124*z12*z34) - (7*s14*z1*z2)/(2*s12*s134*z12*z34) + 
   (s14^2*z1*z2)/(2*s12^2*s123*z12*z34) + 
   (s14^2*z1*z2)/(2*s12^2*s124*z12*z34) - (3*s23*z1*z2)/(s12^2*z12*z34) + 
   (s23*z1*z2)/(2*s12*s123*z12*z34) + (s23*z1*z2)/(2*s12*s124*z12*z34) + 
   (s13*s23*z1*z2)/(s12^2*s123*z12*z34) + (s13*s23*z1*z2)/
    (s12^2*s124*z12*z34) - (5*s23*z1*z2)/(2*s12*s134*z12*z34) + 
   (s14*s23*z1*z2)/(s12^2*s123*z12*z34) + (s14*s23*z1*z2)/
    (s12^2*s124*z12*z34) + (s23^2*z1*z2)/(2*s12^2*s123*z12*z34) + 
   (s23^2*z1*z2)/(2*s12^2*s124*z12*z34) - (2*z1*z2)/(s234*z12*z34) - 
   (5*s13*z1*z2)/(2*s12*s234*z12*z34) - (5*s14*z1*z2)/(2*s12*s234*z12*z34) - 
   (7*s23*z1*z2)/(2*s12*s234*z12*z34) - (3*s24*z1*z2)/(s12^2*z12*z34) + 
   (s24*z1*z2)/(2*s12*s123*z12*z34) + (s24*z1*z2)/(2*s12*s124*z12*z34) + 
   (s13*s24*z1*z2)/(s12^2*s123*z12*z34) + (s13*s24*z1*z2)/
    (s12^2*s124*z12*z34) - (5*s24*z1*z2)/(2*s12*s134*z12*z34) + 
   (s14*s24*z1*z2)/(s12^2*s123*z12*z34) + (s14*s24*z1*z2)/
    (s12^2*s124*z12*z34) + (s23*s24*z1*z2)/(s12^2*s123*z12*z34) + 
   (s23*s24*z1*z2)/(s12^2*s124*z12*z34) - 
   (7*s24*z1*z2)/(2*s12*s234*z12*z34) + (s24^2*z1*z2)/
    (2*s12^2*s123*z12*z34) + (s24^2*z1*z2)/(2*s12^2*s124*z12*z34) - 
   (s13*z1*z2)/(s12*s34*z12*z34) - (s13^2*z1*z2)/(s12^2*s34*z12*z34) - 
   (3*s13*z1*z2)/(2*s134*s34*z12*z34) - (3*s13^2*z1*z2)/
    (2*s12*s134*s34*z12*z34) - (s14*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s14*z1*z2)/(s12^2*s34*z12*z34) - 
   (3*s14*z1*z2)/(2*s134*s34*z12*z34) - (3*s13*s14*z1*z2)/
    (s12*s134*s34*z12*z34) - (s14^2*z1*z2)/(s12^2*s34*z12*z34) - 
   (3*s14^2*z1*z2)/(2*s12*s134*s34*z12*z34) - (s23*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s23*z1*z2)/(s12^2*s34*z12*z34) - (s23*z1*z2)/(2*s134*s34*z12*z34) - 
   (2*s13*s23*z1*z2)/(s12*s134*s34*z12*z34) - 
   (2*s14*s23*z1*z2)/(s12^2*s34*z12*z34) - (2*s14*s23*z1*z2)/
    (s12*s134*s34*z12*z34) - (s23^2*z1*z2)/(s12^2*s34*z12*z34) - 
   (s23^2*z1*z2)/(2*s12*s134*s34*z12*z34) - 
   (s13*z1*z2)/(2*s234*s34*z12*z34) - (s13^2*z1*z2)/
    (2*s12*s234*s34*z12*z34) - (s14*z1*z2)/(2*s234*s34*z12*z34) - 
   (s13*s14*z1*z2)/(s12*s234*s34*z12*z34) - 
   (s14^2*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (3*s23*z1*z2)/(2*s234*s34*z12*z34) - (2*s13*s23*z1*z2)/
    (s12*s234*s34*z12*z34) - (2*s14*s23*z1*z2)/(s12*s234*s34*z12*z34) - 
   (3*s23^2*z1*z2)/(2*s12*s234*s34*z12*z34) - (s24*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s24*z1*z2)/(s12^2*s34*z12*z34) - (s24*z1*z2)/(2*s134*s34*z12*z34) - 
   (2*s13*s24*z1*z2)/(s12*s134*s34*z12*z34) - 
   (2*s14*s24*z1*z2)/(s12^2*s34*z12*z34) - (2*s14*s24*z1*z2)/
    (s12*s134*s34*z12*z34) - (2*s23*s24*z1*z2)/(s12^2*s34*z12*z34) - 
   (s23*s24*z1*z2)/(s12*s134*s34*z12*z34) - 
   (3*s24*z1*z2)/(2*s234*s34*z12*z34) - (2*s13*s24*z1*z2)/
    (s12*s234*s34*z12*z34) - (2*s14*s24*z1*z2)/(s12*s234*s34*z12*z34) - 
   (3*s23*s24*z1*z2)/(s12*s234*s34*z12*z34) - 
   (s24^2*z1*z2)/(s12^2*s34*z12*z34) - (s24^2*z1*z2)/
    (2*s12*s134*s34*z12*z34) - (3*s24^2*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (2*s34*z1*z2)/(s12^2*z12*z34) + (s34*z1*z2)/(s12*s123*z12*z34) + 
   (s34*z1*z2)/(s12*s124*z12*z34) + (3*s13*s34*z1*z2)/
    (2*s12^2*s123*z12*z34) + (3*s13*s34*z1*z2)/(2*s12^2*s124*z12*z34) - 
   (2*s34*z1*z2)/(s12*s134*z12*z34) + (3*s14*s34*z1*z2)/
    (2*s12^2*s123*z12*z34) + (3*s14*s34*z1*z2)/(2*s12^2*s124*z12*z34) + 
   (3*s23*s34*z1*z2)/(2*s12^2*s123*z12*z34) + 
   (3*s23*s34*z1*z2)/(2*s12^2*s124*z12*z34) - 
   (2*s34*z1*z2)/(s12*s234*z12*z34) + (3*s24*s34*z1*z2)/
    (2*s12^2*s123*z12*z34) + (3*s24*s34*z1*z2)/(2*s12^2*s124*z12*z34) + 
   (s34^2*z1*z2)/(s12^2*s123*z12*z34) + (s34^2*z1*z2)/(s12^2*s124*z12*z34) + 
   (4*z1*z2^2)/(s12*z12^2*z34) + (6*s13*z1*z2^2)/(s12^2*z12^2*z34) + 
   (6*s14*z1*z2^2)/(s12^2*z12^2*z34) + (6*s23*z1*z2^2)/(s12^2*z12^2*z34) + 
   (6*s24*z1*z2^2)/(s12^2*z12^2*z34) + (2*s13*z1*z2^2)/(s12*s34*z12^2*z34) + 
   (2*s13^2*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (2*s14*z1*z2^2)/(s12*s34*z12^2*z34) + (4*s13*s14*z1*z2^2)/
    (s12^2*s34*z12^2*z34) + (2*s14^2*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (2*s23*z1*z2^2)/(s12*s34*z12^2*z34) + (4*s13*s23*z1*z2^2)/
    (s12^2*s34*z12^2*z34) + (4*s14*s23*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (2*s23^2*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (2*s24*z1*z2^2)/(s12*s34*z12^2*z34) + (4*s13*s24*z1*z2^2)/
    (s12^2*s34*z12^2*z34) + (4*s14*s24*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (4*s23*s24*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (2*s24^2*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (4*s34*z1*z2^2)/(s12^2*z12^2*z34) - (3*z2^2)/(s12*z12*z34) - 
   (4*s13*z2^2)/(s12^2*z12*z34) - (s13*z2^2)/(4*s12*s123*z12*z34) - 
   (s13*z2^2)/(4*s12*s124*z12*z34) - (s13^2*z2^2)/(4*s12^2*s123*z12*z34) - 
   (s13^2*z2^2)/(4*s12^2*s124*z12*z34) - z2^2/(2*s134*z12*z34) - 
   (s13*z2^2)/(s12*s134*z12*z34) - (4*s14*z2^2)/(s12^2*z12*z34) - 
   (s14*z2^2)/(4*s12*s123*z12*z34) - (s14*z2^2)/(4*s12*s124*z12*z34) - 
   (s13*s14*z2^2)/(2*s12^2*s123*z12*z34) - 
   (s13*s14*z2^2)/(2*s12^2*s124*z12*z34) - (s14*z2^2)/(s12*s134*z12*z34) - 
   (s14^2*z2^2)/(4*s12^2*s123*z12*z34) - 
   (s14^2*z2^2)/(4*s12^2*s124*z12*z34) - (5*s23*z2^2)/(s12^2*z12*z34) - 
   (s23*z2^2)/(4*s12*s123*z12*z34) - (s23*z2^2)/(4*s12*s124*z12*z34) - 
   (s13*s23*z2^2)/(2*s12^2*s123*z12*z34) - 
   (s13*s23*z2^2)/(2*s12^2*s124*z12*z34) - (s23*z2^2)/(2*s12*s134*z12*z34) - 
   (s14*s23*z2^2)/(2*s12^2*s123*z12*z34) - 
   (s14*s23*z2^2)/(2*s12^2*s124*z12*z34) - 
   (s23^2*z2^2)/(4*s12^2*s123*z12*z34) - 
   (s23^2*z2^2)/(4*s12^2*s124*z12*z34) - (3*z2^2)/(2*s234*z12*z34) - 
   (2*s13*z2^2)/(s12*s234*z12*z34) - (2*s14*z2^2)/(s12*s234*z12*z34) - 
   (5*s23*z2^2)/(2*s12*s234*z12*z34) - (5*s24*z2^2)/(s12^2*z12*z34) - 
   (s24*z2^2)/(4*s12*s123*z12*z34) - (s24*z2^2)/(4*s12*s124*z12*z34) - 
   (s13*s24*z2^2)/(2*s12^2*s123*z12*z34) - 
   (s13*s24*z2^2)/(2*s12^2*s124*z12*z34) - (s24*z2^2)/(2*s12*s134*z12*z34) - 
   (s14*s24*z2^2)/(2*s12^2*s123*z12*z34) - 
   (s14*s24*z2^2)/(2*s12^2*s124*z12*z34) - 
   (s23*s24*z2^2)/(2*s12^2*s123*z12*z34) - 
   (s23*s24*z2^2)/(2*s12^2*s124*z12*z34) - 
   (5*s24*z2^2)/(2*s12*s234*z12*z34) - (s24^2*z2^2)/(4*s12^2*s123*z12*z34) - 
   (s24^2*z2^2)/(4*s12^2*s124*z12*z34) - (s13*z2^2)/(s12*s34*z12*z34) - 
   (s13^2*z2^2)/(s12^2*s34*z12*z34) - (s13*z2^2)/(2*s134*s34*z12*z34) - 
   (s13^2*z2^2)/(2*s12*s134*s34*z12*z34) - (s14*z2^2)/(s12*s34*z12*z34) - 
   (2*s13*s14*z2^2)/(s12^2*s34*z12*z34) - (s14*z2^2)/(2*s134*s34*z12*z34) - 
   (s13*s14*z2^2)/(s12*s134*s34*z12*z34) - (s14^2*z2^2)/(s12^2*s34*z12*z34) - 
   (s14^2*z2^2)/(2*s12*s134*s34*z12*z34) - (2*s23*z2^2)/(s12*s34*z12*z34) - 
   (3*s13*s23*z2^2)/(s12^2*s34*z12*z34) - (s13*s23*z2^2)/
    (2*s12*s134*s34*z12*z34) - (3*s14*s23*z2^2)/(s12^2*s34*z12*z34) - 
   (s14*s23*z2^2)/(2*s12*s134*s34*z12*z34) - 
   (2*s23^2*z2^2)/(s12^2*s34*z12*z34) - (s13*z2^2)/(2*s234*s34*z12*z34) - 
   (s13^2*z2^2)/(2*s12*s234*s34*z12*z34) - (s14*z2^2)/(2*s234*s34*z12*z34) - 
   (s13*s14*z2^2)/(s12*s234*s34*z12*z34) - 
   (s14^2*z2^2)/(2*s12*s234*s34*z12*z34) - (s23*z2^2)/(s234*s34*z12*z34) - 
   (3*s13*s23*z2^2)/(2*s12*s234*s34*z12*z34) - 
   (3*s14*s23*z2^2)/(2*s12*s234*s34*z12*z34) - 
   (s23^2*z2^2)/(s12*s234*s34*z12*z34) - (2*s24*z2^2)/(s12*s34*z12*z34) - 
   (3*s13*s24*z2^2)/(s12^2*s34*z12*z34) - (s13*s24*z2^2)/
    (2*s12*s134*s34*z12*z34) - (3*s14*s24*z2^2)/(s12^2*s34*z12*z34) - 
   (s14*s24*z2^2)/(2*s12*s134*s34*z12*z34) - (4*s23*s24*z2^2)/
    (s12^2*s34*z12*z34) - (s24*z2^2)/(s234*s34*z12*z34) - 
   (3*s13*s24*z2^2)/(2*s12*s234*s34*z12*z34) - 
   (3*s14*s24*z2^2)/(2*s12*s234*s34*z12*z34) - 
   (2*s23*s24*z2^2)/(s12*s234*s34*z12*z34) - 
   (2*s24^2*z2^2)/(s12^2*s34*z12*z34) - (s24^2*z2^2)/(s12*s234*s34*z12*z34) - 
   (3*s34*z2^2)/(s12^2*z12*z34) - (s34*z2^2)/(2*s12*s123*z12*z34) - 
   (s34*z2^2)/(2*s12*s124*z12*z34) - (3*s13*s34*z2^2)/
    (4*s12^2*s123*z12*z34) - (3*s13*s34*z2^2)/(4*s12^2*s124*z12*z34) - 
   (s34*z2^2)/(2*s12*s134*z12*z34) - (3*s14*s34*z2^2)/
    (4*s12^2*s123*z12*z34) - (3*s14*s34*z2^2)/(4*s12^2*s124*z12*z34) - 
   (3*s23*s34*z2^2)/(4*s12^2*s123*z12*z34) - (3*s23*s34*z2^2)/
    (4*s12^2*s124*z12*z34) - (3*s34*z2^2)/(2*s12*s234*z12*z34) - 
   (3*s24*s34*z2^2)/(4*s12^2*s123*z12*z34) - (3*s24*s34*z2^2)/
    (4*s12^2*s124*z12*z34) - (s34^2*z2^2)/(2*s12^2*s123*z12*z34) - 
   (s34^2*z2^2)/(2*s12^2*s124*z12*z34) - (3*s14*z3)/(s12^2*z34) - 
   (s14*z3)/(2*s12*s123*z34) - (s14*z3)/(2*s12*s124*z34) - 
   (3*s13*s14*z3)/(4*s12^2*s123*z34) - (3*s13*s14*z3)/(4*s12^2*s124*z34) - 
   (3*s14*z3)/(s12*s134*z34) - (s14*z3)/(s123*s134*z34) + 
   (s14*z3)/(2*s124*s134*z34) - (2*s13*s14*z3)/(s12*s123*s134*z34) + 
   (s13*s14*z3)/(s12*s124*s134*z34) - (3*s14^2*z3)/(4*s12^2*s123*z34) - 
   (3*s14^2*z3)/(4*s12^2*s124*z34) - (2*s14^2*z3)/(s12*s123*s134*z34) + 
   (s14^2*z3)/(s12*s124*s134*z34) - (5*s14*s23*z3)/(4*s12^2*s123*z34) - 
   (5*s14*s23*z3)/(4*s12^2*s124*z34) - (s14*s23*z3)/(s12*s123*s134*z34) + 
   (s14*s23*z3)/(2*s12*s124*s134*z34) - (2*s14*z3)/(s12*s234*z34) + 
   (s14*z3)/(2*s123*s234*z34) - (s14*z3)/(s124*s234*z34) + 
   (s13*s14*z3)/(2*s12*s123*s234*z34) - (s13*s14*z3)/(s12*s124*s234*z34) - 
   (2*s14*z3)/(s134*s234*z34) + (s14^2*z3)/(2*s12*s123*s234*z34) - 
   (s14^2*z3)/(s12*s124*s234*z34) + (s14*s23*z3)/(s12*s123*s234*z34) - 
   (2*s14*s23*z3)/(s12*s124*s234*z34) - (3*s24*z3)/(s12^2*z34) - 
   (s24*z3)/(2*s12*s123*z34) - (s24*z3)/(2*s12*s124*z34) - 
   (5*s13*s24*z3)/(4*s12^2*s123*z34) - (5*s13*s24*z3)/(4*s12^2*s124*z34) - 
   (2*s24*z3)/(s12*s134*z34) - (s24*z3)/(s123*s134*z34) + 
   (s24*z3)/(2*s124*s134*z34) - (2*s13*s24*z3)/(s12*s123*s134*z34) + 
   (s13*s24*z3)/(s12*s124*s134*z34) - (5*s14*s24*z3)/(2*s12^2*s123*z34) - 
   (5*s14*s24*z3)/(2*s12^2*s124*z34) - (3*s14*s24*z3)/(s12*s123*s134*z34) + 
   (3*s14*s24*z3)/(2*s12*s124*s134*z34) - (3*s23*s24*z3)/(4*s12^2*s123*z34) - 
   (3*s23*s24*z3)/(4*s12^2*s124*z34) - (s23*s24*z3)/(s12*s123*s134*z34) + 
   (s23*s24*z3)/(2*s12*s124*s134*z34) - (3*s24*z3)/(s12*s234*z34) + 
   (s24*z3)/(2*s123*s234*z34) - (s24*z3)/(s124*s234*z34) + 
   (s13*s24*z3)/(2*s12*s123*s234*z34) - (s13*s24*z3)/(s12*s124*s234*z34) - 
   (2*s24*z3)/(s134*s234*z34) + (3*s14*s24*z3)/(2*s12*s123*s234*z34) - 
   (3*s14*s24*z3)/(s12*s124*s234*z34) + (s23*s24*z3)/(s12*s123*s234*z34) - 
   (2*s23*s24*z3)/(s12*s124*s234*z34) - (3*s24^2*z3)/(4*s12^2*s123*z34) - 
   (3*s24^2*z3)/(4*s12^2*s124*z34) - (s24^2*z3)/(s12*s123*s134*z34) + 
   (s24^2*z3)/(2*s12*s124*s134*z34) + (s24^2*z3)/(s12*s123*s234*z34) - 
   (2*s24^2*z3)/(s12*s124*s234*z34) - (2*s13*s14*z3)/(s12*s34^2*z34) - 
   (2*s13^2*s14*z3)/(s12^2*s34^2*z34) - (3*s13*s14*z3)/(s134*s34^2*z34) - 
   (3*s13^2*s14*z3)/(s12*s134*s34^2*z34) - (2*s14^2*z3)/(s12*s34^2*z34) - 
   (4*s13*s14^2*z3)/(s12^2*s34^2*z34) - (3*s14^2*z3)/(s134*s34^2*z34) - 
   (6*s13*s14^2*z3)/(s12*s134*s34^2*z34) - (2*s14^3*z3)/(s12^2*s34^2*z34) - 
   (3*s14^3*z3)/(s12*s134*s34^2*z34) - (3*s14*s23*z3)/(s12*s34^2*z34) - 
   (5*s13*s14*s23*z3)/(s12^2*s34^2*z34) - (3*s14*s23*z3)/(2*s134*s34^2*z34) - 
   (9*s13*s14*s23*z3)/(2*s12*s134*s34^2*z34) - 
   (5*s14^2*s23*z3)/(s12^2*s34^2*z34) - (9*s14^2*s23*z3)/
    (2*s12*s134*s34^2*z34) - (3*s14*s23^2*z3)/(s12^2*s34^2*z34) - 
   (3*s14*s23^2*z3)/(2*s12*s134*s34^2*z34) - 
   (3*s14*s23*z3)/(2*s234*s34^2*z34) - (3*s13*s14*s23*z3)/
    (2*s12*s234*s34^2*z34) - (2*s12*s14*s23*z3)/(s134*s234*s34^2*z34) - 
   (2*s13*s14*s23*z3)/(s134*s234*s34^2*z34) - 
   (3*s14^2*s23*z3)/(2*s12*s234*s34^2*z34) - (2*s14^2*s23*z3)/
    (s134*s234*s34^2*z34) - (3*s14*s23^2*z3)/(2*s12*s234*s34^2*z34) - 
   (2*s14*s23^2*z3)/(s134*s234*s34^2*z34) - (3*s13*s24*z3)/(s12*s34^2*z34) - 
   (3*s13^2*s24*z3)/(s12^2*s34^2*z34) - (3*s13*s24*z3)/(2*s134*s34^2*z34) - 
   (3*s13^2*s24*z3)/(2*s12*s134*s34^2*z34) - (6*s14*s24*z3)/(s12*s34^2*z34) - 
   (11*s13*s14*s24*z3)/(s12^2*s34^2*z34) - (3*s14*s24*z3)/(s134*s34^2*z34) - 
   (15*s13*s14*s24*z3)/(2*s12*s134*s34^2*z34) - 
   (8*s14^2*s24*z3)/(s12^2*s34^2*z34) - (6*s14^2*s24*z3)/
    (s12*s134*s34^2*z34) - (2*s23*s24*z3)/(s12*s34^2*z34) - 
   (5*s13*s23*s24*z3)/(s12^2*s34^2*z34) - (3*s13*s23*s24*z3)/
    (2*s12*s134*s34^2*z34) - (11*s14*s23*s24*z3)/(s12^2*s34^2*z34) - 
   (9*s14*s23*s24*z3)/(2*s12*s134*s34^2*z34) - 
   (2*s23^2*s24*z3)/(s12^2*s34^2*z34) - (3*s13*s24*z3)/(2*s234*s34^2*z34) - 
   (3*s13^2*s24*z3)/(2*s12*s234*s34^2*z34) - (2*s12*s13*s24*z3)/
    (s134*s234*s34^2*z34) - (2*s13^2*s24*z3)/(s134*s234*s34^2*z34) - 
   (3*s14*s24*z3)/(s234*s34^2*z34) - (9*s13*s14*s24*z3)/
    (2*s12*s234*s34^2*z34) - (4*s12*s14*s24*z3)/(s134*s234*s34^2*z34) - 
   (6*s13*s14*s24*z3)/(s134*s234*s34^2*z34) - 
   (3*s14^2*s24*z3)/(s12*s234*s34^2*z34) - (4*s14^2*s24*z3)/
    (s134*s234*s34^2*z34) - (3*s23*s24*z3)/(s234*s34^2*z34) - 
   (9*s13*s23*s24*z3)/(2*s12*s234*s34^2*z34) - 
   (2*s13*s23*s24*z3)/(s134*s234*s34^2*z34) - (15*s14*s23*s24*z3)/
    (2*s12*s234*s34^2*z34) - (6*s14*s23*s24*z3)/(s134*s234*s34^2*z34) - 
   (3*s23^2*s24*z3)/(s12*s234*s34^2*z34) - (2*s24^2*z3)/(s12*s34^2*z34) - 
   (5*s13*s24^2*z3)/(s12^2*s34^2*z34) - (3*s13*s24^2*z3)/
    (2*s12*s134*s34^2*z34) - (8*s14*s24^2*z3)/(s12^2*s34^2*z34) - 
   (3*s14*s24^2*z3)/(s12*s134*s34^2*z34) - (4*s23*s24^2*z3)/
    (s12^2*s34^2*z34) - (3*s24^2*z3)/(s234*s34^2*z34) - 
   (9*s13*s24^2*z3)/(2*s12*s234*s34^2*z34) - (2*s13*s24^2*z3)/
    (s134*s234*s34^2*z34) - (6*s14*s24^2*z3)/(s12*s234*s34^2*z34) - 
   (4*s14*s24^2*z3)/(s134*s234*s34^2*z34) - (6*s23*s24^2*z3)/
    (s12*s234*s34^2*z34) - (2*s24^3*z3)/(s12^2*s34^2*z34) - 
   (3*s24^3*z3)/(s12*s234*s34^2*z34) - (3*s14*z3)/(s12*s34*z34) - 
   (5*s13*s14*z3)/(s12^2*s34*z34) - (s13*s14*z3)/(4*s12*s123*s34*z34) - 
   (s13*s14*z3)/(4*s12*s124*s34*z34) - (s13^2*s14*z3)/
    (4*s12^2*s123*s34*z34) - (s13^2*s14*z3)/(4*s12^2*s124*s34*z34) - 
   (3*s14*z3)/(s134*s34*z34) - (6*s13*s14*z3)/(s12*s134*s34*z34) - 
   (s13*s14*z3)/(s123*s134*s34*z34) + (s13*s14*z3)/(2*s124*s134*s34*z34) - 
   (s13^2*s14*z3)/(s12*s123*s134*s34*z34) + 
   (s13^2*s14*z3)/(2*s12*s124*s134*s34*z34) - (5*s14^2*z3)/(s12^2*s34*z34) - 
   (s14^2*z3)/(4*s12*s123*s34*z34) - (s14^2*z3)/(4*s12*s124*s34*z34) - 
   (s13*s14^2*z3)/(2*s12^2*s123*s34*z34) - 
   (s13*s14^2*z3)/(2*s12^2*s124*s34*z34) - (6*s14^2*z3)/(s12*s134*s34*z34) - 
   (s14^2*z3)/(s123*s134*s34*z34) + (s14^2*z3)/(2*s124*s134*s34*z34) - 
   (2*s13*s14^2*z3)/(s12*s123*s134*s34*z34) + 
   (s13*s14^2*z3)/(s12*s124*s134*s34*z34) - 
   (s14^3*z3)/(4*s12^2*s123*s34*z34) - (s14^3*z3)/(4*s12^2*s124*s34*z34) - 
   (s14^3*z3)/(s12*s123*s134*s34*z34) + 
   (s14^3*z3)/(2*s12*s124*s134*s34*z34) - (6*s14*s23*z3)/(s12^2*s34*z34) - 
   (3*s14*s23*z3)/(4*s12*s123*s34*z34) - (3*s14*s23*z3)/
    (4*s12*s124*s34*z34) - (s13*s14*s23*z3)/(s12^2*s123*s34*z34) - 
   (s13*s14*s23*z3)/(s12^2*s124*s34*z34) - 
   (9*s14*s23*z3)/(2*s12*s134*s34*z34) - (s13*s14*s23*z3)/
    (s12*s123*s134*s34*z34) + (s13*s14*s23*z3)/(2*s12*s124*s134*s34*z34) - 
   (s14^2*s23*z3)/(s12^2*s123*s34*z34) - (s14^2*s23*z3)/
    (s12^2*s124*s34*z34) - (s14^2*s23*z3)/(s12*s123*s134*s34*z34) + 
   (s14^2*s23*z3)/(2*s12*s124*s134*s34*z34) - 
   (3*s14*s23^2*z3)/(4*s12^2*s123*s34*z34) - (3*s14*s23^2*z3)/
    (4*s12^2*s124*s34*z34) - (2*s14*z3)/(s234*s34*z34) - 
   (2*s13*s14*z3)/(s12*s234*s34*z34) - (2*s12*s14*z3)/(s134*s234*s34*z34) - 
   (2*s13*s14*z3)/(s134*s234*s34*z34) - (2*s14^2*z3)/(s12*s234*s34*z34) - 
   (2*s14^2*z3)/(s134*s234*s34*z34) - (7*s14*s23*z3)/(2*s12*s234*s34*z34) + 
   (s14*s23*z3)/(2*s123*s234*s34*z34) - (s14*s23*z3)/(s124*s234*s34*z34) + 
   (s13*s14*s23*z3)/(2*s12*s123*s234*s34*z34) - 
   (s13*s14*s23*z3)/(s12*s124*s234*s34*z34) - 
   (4*s14*s23*z3)/(s134*s234*s34*z34) + (s14^2*s23*z3)/
    (2*s12*s123*s234*s34*z34) - (s14^2*s23*z3)/(s12*s124*s234*s34*z34) + 
   (s14*s23^2*z3)/(2*s12*s123*s234*s34*z34) - 
   (s14*s23^2*z3)/(s12*s124*s234*s34*z34) - (3*s24*z3)/(s12*s34*z34) - 
   (6*s13*s24*z3)/(s12^2*s34*z34) - (3*s13*s24*z3)/(4*s12*s123*s34*z34) - 
   (3*s13*s24*z3)/(4*s12*s124*s34*z34) - (3*s13^2*s24*z3)/
    (4*s12^2*s123*s34*z34) - (3*s13^2*s24*z3)/(4*s12^2*s124*s34*z34) - 
   (2*s24*z3)/(s134*s34*z34) - (7*s13*s24*z3)/(2*s12*s134*s34*z34) - 
   (s13*s24*z3)/(s123*s134*s34*z34) + (s13*s24*z3)/(2*s124*s134*s34*z34) - 
   (s13^2*s24*z3)/(s12*s123*s134*s34*z34) + 
   (s13^2*s24*z3)/(2*s12*s124*s134*s34*z34) - 
   (12*s14*s24*z3)/(s12^2*s34*z34) - (3*s14*s24*z3)/(2*s12*s123*s34*z34) - 
   (3*s14*s24*z3)/(2*s12*s124*s34*z34) - (5*s13*s14*s24*z3)/
    (2*s12^2*s123*s34*z34) - (5*s13*s14*s24*z3)/(2*s12^2*s124*s34*z34) - 
   (8*s14*s24*z3)/(s12*s134*s34*z34) - (s14*s24*z3)/(s123*s134*s34*z34) + 
   (s14*s24*z3)/(2*s124*s134*s34*z34) - (3*s13*s14*s24*z3)/
    (s12*s123*s134*s34*z34) + (3*s13*s14*s24*z3)/(2*s12*s124*s134*s34*z34) - 
   (7*s14^2*s24*z3)/(4*s12^2*s123*s34*z34) - (7*s14^2*s24*z3)/
    (4*s12^2*s124*s34*z34) - (2*s14^2*s24*z3)/(s12*s123*s134*s34*z34) + 
   (s14^2*s24*z3)/(s12*s124*s134*s34*z34) - (5*s23*s24*z3)/(s12^2*s34*z34) - 
   (s23*s24*z3)/(4*s12*s123*s34*z34) - (s23*s24*z3)/(4*s12*s124*s34*z34) - 
   (s13*s23*s24*z3)/(s12^2*s123*s34*z34) - (s13*s23*s24*z3)/
    (s12^2*s124*s34*z34) - (2*s23*s24*z3)/(s12*s134*s34*z34) - 
   (s13*s23*s24*z3)/(s12*s123*s134*s34*z34) + 
   (s13*s23*s24*z3)/(2*s12*s124*s134*s34*z34) - 
   (5*s14*s23*s24*z3)/(2*s12^2*s123*s34*z34) - 
   (5*s14*s23*s24*z3)/(2*s12^2*s124*s34*z34) - 
   (s14*s23*s24*z3)/(s12*s123*s134*s34*z34) + 
   (s14*s23*s24*z3)/(2*s12*s124*s134*s34*z34) - 
   (s23^2*s24*z3)/(4*s12^2*s123*s34*z34) - 
   (s23^2*s24*z3)/(4*s12^2*s124*s34*z34) - (3*s24*z3)/(s234*s34*z34) - 
   (9*s13*s24*z3)/(2*s12*s234*s34*z34) - (2*s12*s24*z3)/(s134*s234*s34*z34) - 
   (4*s13*s24*z3)/(s134*s234*s34*z34) - (8*s14*s24*z3)/(s12*s234*s34*z34) + 
   (s14*s24*z3)/(2*s123*s234*s34*z34) - (s14*s24*z3)/(s124*s234*s34*z34) + 
   (s13*s14*s24*z3)/(2*s12*s123*s234*s34*z34) - 
   (s13*s14*s24*z3)/(s12*s124*s234*s34*z34) - 
   (8*s14*s24*z3)/(s134*s234*s34*z34) + (s14^2*s24*z3)/
    (2*s12*s123*s234*s34*z34) - (s14^2*s24*z3)/(s12*s124*s234*s34*z34) - 
   (6*s23*s24*z3)/(s12*s234*s34*z34) + (s23*s24*z3)/(2*s123*s234*s34*z34) - 
   (s23*s24*z3)/(s124*s234*s34*z34) + (s13*s23*s24*z3)/
    (2*s12*s123*s234*s34*z34) - (s13*s23*s24*z3)/(s12*s124*s234*s34*z34) - 
   (2*s23*s24*z3)/(s134*s234*s34*z34) + (3*s14*s23*s24*z3)/
    (2*s12*s123*s234*s34*z34) - (3*s14*s23*s24*z3)/(s12*s124*s234*s34*z34) + 
   (s23^2*s24*z3)/(2*s12*s123*s234*s34*z34) - 
   (s23^2*s24*z3)/(s12*s124*s234*s34*z34) - (5*s24^2*z3)/(s12^2*s34*z34) - 
   (s24^2*z3)/(4*s12*s123*s34*z34) - (s24^2*z3)/(4*s12*s124*s34*z34) - 
   (s13*s24^2*z3)/(s12^2*s123*s34*z34) - (s13*s24^2*z3)/
    (s12^2*s124*s34*z34) - (2*s24^2*z3)/(s12*s134*s34*z34) - 
   (s13*s24^2*z3)/(s12*s123*s134*s34*z34) + 
   (s13*s24^2*z3)/(2*s12*s124*s134*s34*z34) - 
   (7*s14*s24^2*z3)/(4*s12^2*s123*s34*z34) - (7*s14*s24^2*z3)/
    (4*s12^2*s124*s34*z34) - (s14*s24^2*z3)/(s12*s123*s134*s34*z34) + 
   (s14*s24^2*z3)/(2*s12*s124*s134*s34*z34) - 
   (s23*s24^2*z3)/(2*s12^2*s123*s34*z34) - 
   (s23*s24^2*z3)/(2*s12^2*s124*s34*z34) - (6*s24^2*z3)/(s12*s234*s34*z34) + 
   (s24^2*z3)/(2*s123*s234*s34*z34) - (s24^2*z3)/(s124*s234*s34*z34) + 
   (s13*s24^2*z3)/(2*s12*s123*s234*s34*z34) - 
   (s13*s24^2*z3)/(s12*s124*s234*s34*z34) - 
   (2*s24^2*z3)/(s134*s234*s34*z34) + (s14*s24^2*z3)/
    (s12*s123*s234*s34*z34) - (2*s14*s24^2*z3)/(s12*s124*s234*s34*z34) + 
   (s23*s24^2*z3)/(s12*s123*s234*s34*z34) - (2*s23*s24^2*z3)/
    (s12*s124*s234*s34*z34) - (s24^3*z3)/(4*s12^2*s123*s34*z34) - 
   (s24^3*z3)/(4*s12^2*s124*s34*z34) + (s24^3*z3)/(2*s12*s123*s234*s34*z34) - 
   (s24^3*z3)/(s12*s124*s234*s34*z34) - (s14*s34*z3)/(2*s12^2*s123*z34) - 
   (s14*s34*z3)/(2*s12^2*s124*z34) - (s14*s34*z3)/(s12*s123*s134*z34) + 
   (s14*s34*z3)/(2*s12*s124*s134*z34) + (s14*s34*z3)/(2*s12*s123*s234*z34) - 
   (s14*s34*z3)/(s12*s124*s234*z34) - (s24*s34*z3)/(2*s12^2*s123*z34) - 
   (s24*s34*z3)/(2*s12^2*s124*z34) - (s24*s34*z3)/(s12*s123*s134*z34) + 
   (s24*s34*z3)/(2*s12*s124*s134*z34) + (s24*s34*z3)/(2*s12*s123*s234*z34) - 
   (s24*s34*z3)/(s12*s124*s234*z34) - (z1*z3)/(s12*z12*z34) - 
   (z1*z3)/(2*s134*z12*z34) - (3*s13*z1*z3)/(4*s12*s134*z12*z34) + 
   (3*s14*z1*z3)/(s12^2*z12*z34) + (s14*z1*z3)/(2*s12*s123*z12*z34) + 
   (s14*z1*z3)/(2*s12*s124*z12*z34) + (3*s13*s14*z1*z3)/
    (4*s12^2*s123*z12*z34) + (3*s13*s14*z1*z3)/(4*s12^2*s124*z12*z34) + 
   (3*s14*z1*z3)/(4*s12*s134*z12*z34) + (3*s14^2*z1*z3)/
    (4*s12^2*s123*z12*z34) + (3*s14^2*z1*z3)/(4*s12^2*s124*z12*z34) - 
   (3*s23*z1*z3)/(4*s12*s134*z12*z34) + (3*s14*s23*z1*z3)/
    (4*s12^2*s123*z12*z34) + (3*s14*s23*z1*z3)/(4*s12^2*s124*z12*z34) + 
   (z1*z3)/(2*s234*z12*z34) + (3*s13*z1*z3)/(4*s12*s234*z12*z34) + 
   (5*s14*z1*z3)/(4*s12*s234*z12*z34) + (3*s23*z1*z3)/(4*s12*s234*z12*z34) + 
   (s24*z1*z3)/(s12^2*z12*z34) - (s24*z1*z3)/(2*s12*s123*z12*z34) - 
   (s24*z1*z3)/(2*s12*s124*z12*z34) - (3*s13*s24*z1*z3)/
    (4*s12^2*s123*z12*z34) - (3*s13*s24*z1*z3)/(4*s12^2*s124*z12*z34) - 
   (s24*z1*z3)/(4*s12*s134*z12*z34) - (3*s23*s24*z1*z3)/
    (4*s12^2*s123*z12*z34) - (3*s23*s24*z1*z3)/(4*s12^2*s124*z12*z34) + 
   (9*s24*z1*z3)/(4*s12*s234*z12*z34) - (3*s24^2*z1*z3)/
    (4*s12^2*s123*z12*z34) - (3*s24^2*z1*z3)/(4*s12^2*s124*z12*z34) + 
   (2*s13*s14*z1*z3)/(s12*s34^2*z12*z34) + (2*s13^2*s14*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s13*s14*z1*z3)/(s134*s34^2*z12*z34) + 
   (s13^2*s14*z1*z3)/(s12*s134*s34^2*z12*z34) + 
   (2*s14^2*z1*z3)/(s12*s34^2*z12*z34) + (4*s13*s14^2*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s14^2*z1*z3)/(s134*s34^2*z12*z34) + 
   (2*s13*s14^2*z1*z3)/(s12*s134*s34^2*z12*z34) + 
   (2*s14^3*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (s14^3*z1*z3)/(s12*s134*s34^2*z12*z34) + (s14*s23*z1*z3)/
    (s12*s34^2*z12*z34) + (3*s13*s14*s23*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (s14*s23*z1*z3)/(2*s134*s34^2*z12*z34) + (3*s13*s14*s23*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) + (3*s14^2*s23*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (3*s14^2*s23*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23^2*z1*z3)/(s12^2*s34^2*z12*z34) + (s14*s23^2*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s23*z1*z3)/(2*s234*s34^2*z12*z34) + 
   (s13*s14*s23*z1*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14^2*s23*z1*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s23^2*z1*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*s24*z1*z3)/(s12*s34^2*z12*z34) + (s13^2*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s13*s24*z1*z3)/(2*s134*s34^2*z12*z34) + 
   (s13^2*s24*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (2*s14*s24*z1*z3)/(s12*s34^2*z12*z34) + (5*s13*s14*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s14*s24*z1*z3)/(s134*s34^2*z12*z34) + 
   (5*s13*s14*s24*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (4*s14^2*s24*z1*z3)/(s12^2*s34^2*z12*z34) + (2*s14^2*s24*z1*z3)/
    (s12*s134*s34^2*z12*z34) + (s13*s23*s24*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (s13*s23*s24*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (3*s14*s23*s24*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (3*s14*s23*s24*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s13*s24*z1*z3)/(2*s234*s34^2*z12*z34) + (s13^2*s24*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s24*z1*z3)/(s234*s34^2*z12*z34) + 
   (3*s13*s14*s24*z1*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14^2*s24*z1*z3)/(s12*s234*s34^2*z12*z34) + 
   (s23*s24*z1*z3)/(s234*s34^2*z12*z34) + (3*s13*s23*s24*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) + (5*s14*s23*s24*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s23^2*s24*z1*z3)/(s12*s234*s34^2*z12*z34) + 
   (s13*s24^2*z1*z3)/(s12^2*s34^2*z12*z34) + (s13*s24^2*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) + (2*s14*s24^2*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (s14*s24^2*z1*z3)/(s12*s134*s34^2*z12*z34) + 
   (s24^2*z1*z3)/(s234*s34^2*z12*z34) + (3*s13*s24^2*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) + (2*s14*s24^2*z1*z3)/
    (s12*s234*s34^2*z12*z34) + (2*s23*s24^2*z1*z3)/(s12*s234*s34^2*z12*z34) + 
   (s24^3*z1*z3)/(s12*s234*s34^2*z12*z34) - (z1*z3)/(s34*z12*z34) - 
   (s13*z1*z3)/(s12*s34*z12*z34) - (s13*z1*z3)/(4*s134*s34*z12*z34) - 
   (s13^2*z1*z3)/(4*s12*s134*s34*z12*z34) + (2*s14*z1*z3)/(s12*s34*z12*z34) + 
   (5*s13*s14*z1*z3)/(s12^2*s34*z12*z34) + (s13*s14*z1*z3)/
    (4*s12*s123*s34*z12*z34) + (s13*s14*z1*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s14*z1*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z1*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (5*s14*z1*z3)/(4*s134*s34*z12*z34) + (2*s13*s14*z1*z3)/
    (s12*s134*s34*z12*z34) + (5*s14^2*z1*z3)/(s12^2*s34*z12*z34) + 
   (s14^2*z1*z3)/(4*s12*s123*s34*z12*z34) + 
   (s14^2*z1*z3)/(4*s12*s124*s34*z12*z34) + (s13*s14^2*z1*z3)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s14^2*z1*z3)/
    (2*s12^2*s124*s34*z12*z34) + (9*s14^2*z1*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14^3*z1*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^3*z1*z3)/(4*s12^2*s124*s34*z12*z34) - (s23*z1*z3)/(s12*s34*z12*z34) - 
   (s23*z1*z3)/(4*s134*s34*z12*z34) - (s13*s23*z1*z3)/
    (2*s12*s134*s34*z12*z34) + (4*s14*s23*z1*z3)/(s12^2*s34*z12*z34) + 
   (s14*s23*z1*z3)/(4*s12*s123*s34*z12*z34) + 
   (s14*s23*z1*z3)/(4*s12*s124*s34*z12*z34) + (s13*s14*s23*z1*z3)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s14*s23*z1*z3)/
    (2*s12^2*s124*s34*z12*z34) + (3*s14*s23*z1*z3)/(2*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z1*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (s23^2*z1*z3)/(4*s12*s134*s34*z12*z34) + (s14*s23^2*z1*z3)/
    (4*s12^2*s123*s34*z12*z34) + (s14*s23^2*z1*z3)/
    (4*s12^2*s124*s34*z12*z34) + (s13*z1*z3)/(4*s234*s34*z12*z34) + 
   (s13^2*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (3*s14*z1*z3)/(4*s234*s34*z12*z34) + (s13*s14*z1*z3)/
    (s12*s234*s34*z12*z34) + (3*s14^2*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (s23*z1*z3)/(4*s234*s34*z12*z34) + (s13*s23*z1*z3)/
    (2*s12*s234*s34*z12*z34) + (3*s14*s23*z1*z3)/(2*s12*s234*s34*z12*z34) + 
   (s23^2*z1*z3)/(4*s12*s234*s34*z12*z34) + (2*s13*s24*z1*z3)/
    (s12^2*s34*z12*z34) - (s13*s24*z1*z3)/(4*s12*s123*s34*z12*z34) - 
   (s13*s24*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s24*z1*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z1*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s24*z1*z3)/(4*s134*s34*z12*z34) + (s13*s24*z1*z3)/
    (2*s12*s134*s34*z12*z34) + (6*s14*s24*z1*z3)/(s12^2*s34*z12*z34) + 
   (5*s14*s24*z1*z3)/(2*s12*s134*s34*z12*z34) + 
   (s14^2*s24*z1*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^2*s24*z1*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s23*s24*z1*z3)/(s12^2*s34*z12*z34) - (s23*s24*z1*z3)/
    (4*s12*s123*s34*z12*z34) - (s23*s24*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13*s23*s24*z1*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s23*s24*z1*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (s23^2*s24*z1*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s23^2*s24*z1*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (7*s24*z1*z3)/(4*s234*s34*z12*z34) + (5*s13*s24*z1*z3)/
    (2*s12*s234*s34*z12*z34) + (7*s14*s24*z1*z3)/(2*s12*s234*s34*z12*z34) + 
   (3*s23*s24*z1*z3)/(s12*s234*s34*z12*z34) + 
   (s24^2*z1*z3)/(s12^2*s34*z12*z34) - (s24^2*z1*z3)/
    (4*s12*s123*s34*z12*z34) - (s24^2*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13*s24^2*z1*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s24^2*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s24^2*z1*z3)/(4*s12*s134*s34*z12*z34) - (s14*s24^2*z1*z3)/
    (4*s12^2*s123*s34*z12*z34) - (s14*s24^2*z1*z3)/
    (4*s12^2*s124*s34*z12*z34) - (s23*s24^2*z1*z3)/
    (2*s12^2*s123*s34*z12*z34) - (s23*s24^2*z1*z3)/
    (2*s12^2*s124*s34*z12*z34) + (11*s24^2*z1*z3)/(4*s12*s234*s34*z12*z34) - 
   (s24^3*z1*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s24^3*z1*z3)/(4*s12^2*s124*s34*z12*z34) - 
   (s34*z1*z3)/(2*s12*s134*z12*z34) + (s14*s34*z1*z3)/
    (2*s12^2*s123*z12*z34) + (s14*s34*z1*z3)/(2*s12^2*s124*z12*z34) + 
   (s34*z1*z3)/(2*s12*s234*z12*z34) - (s24*s34*z1*z3)/
    (2*s12^2*s123*z12*z34) - (s24*s34*z1*z3)/(2*s12^2*s124*z12*z34) - 
   (4*s14*z1*z2*z3)/(s12^2*z12^2*z34) - (4*s24*z1*z2*z3)/(s12^2*z12^2*z34) - 
   (2*s13*s14*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (2*s13^2*s14*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s14^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) - 
   (4*s13*s14^2*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (2*s14^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (2*s14*s23*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (4*s13*s14*s23*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (4*s14^2*s23*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s14*s23^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s13*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) - 
   (2*s13^2*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (4*s14*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (8*s13*s14*s24*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (6*s14^2*s24*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s23*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) - 
   (4*s13*s23*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (8*s14*s23*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (2*s23^2*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (2*s24^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (4*s13*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (6*s14*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (4*s23*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s24^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (4*s14*z1*z2*z3)/(s12*s34*z12^2*z34) - (6*s13*s14*z1*z2*z3)/
    (s12^2*s34*z12^2*z34) - (6*s14^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (6*s14*s23*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (4*s24*z1*z2*z3)/(s12*s34*z12^2*z34) - (6*s13*s24*z1*z2*z3)/
    (s12^2*s34*z12^2*z34) - (12*s14*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (6*s23*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (6*s24^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) - (z2*z3)/(s12*z12*z34) + 
   (z2*z3)/(2*s134*z12*z34) + (3*s13*z2*z3)/(4*s12*s134*z12*z34) + 
   (s14*z2*z3)/(s12^2*z12*z34) - (s14*z2*z3)/(2*s12*s123*z12*z34) - 
   (s14*z2*z3)/(2*s12*s124*z12*z34) - (3*s13*s14*z2*z3)/
    (4*s12^2*s123*z12*z34) - (3*s13*s14*z2*z3)/(4*s12^2*s124*z12*z34) + 
   (9*s14*z2*z3)/(4*s12*s134*z12*z34) - (3*s14^2*z2*z3)/
    (4*s12^2*s123*z12*z34) - (3*s14^2*z2*z3)/(4*s12^2*s124*z12*z34) + 
   (3*s23*z2*z3)/(4*s12*s134*z12*z34) - (3*s14*s23*z2*z3)/
    (4*s12^2*s123*z12*z34) - (3*s14*s23*z2*z3)/(4*s12^2*s124*z12*z34) - 
   (z2*z3)/(2*s234*z12*z34) - (3*s13*z2*z3)/(4*s12*s234*z12*z34) - 
   (s14*z2*z3)/(4*s12*s234*z12*z34) - (3*s23*z2*z3)/(4*s12*s234*z12*z34) + 
   (3*s24*z2*z3)/(s12^2*z12*z34) + (s24*z2*z3)/(2*s12*s123*z12*z34) + 
   (s24*z2*z3)/(2*s12*s124*z12*z34) + (3*s13*s24*z2*z3)/
    (4*s12^2*s123*z12*z34) + (3*s13*s24*z2*z3)/(4*s12^2*s124*z12*z34) + 
   (5*s24*z2*z3)/(4*s12*s134*z12*z34) + (3*s23*s24*z2*z3)/
    (4*s12^2*s123*z12*z34) + (3*s23*s24*z2*z3)/(4*s12^2*s124*z12*z34) + 
   (3*s24*z2*z3)/(4*s12*s234*z12*z34) + (3*s24^2*z2*z3)/
    (4*s12^2*s123*z12*z34) + (3*s24^2*z2*z3)/(4*s12^2*s124*z12*z34) + 
   (s13*s14*z2*z3)/(s134*s34^2*z12*z34) + (s13^2*s14*z2*z3)/
    (s12*s134*s34^2*z12*z34) + (s14^2*z2*z3)/(s134*s34^2*z12*z34) + 
   (2*s13*s14^2*z2*z3)/(s12*s134*s34^2*z12*z34) + 
   (s14^3*z2*z3)/(s12*s134*s34^2*z12*z34) + (s14*s23*z2*z3)/
    (s12*s34^2*z12*z34) + (s13*s14*s23*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s14*s23*z2*z3)/(2*s134*s34^2*z12*z34) + (3*s13*s14*s23*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) + (s14^2*s23*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (3*s14^2*s23*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23^2*z2*z3)/(s12^2*s34^2*z12*z34) + (s14*s23^2*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s23*z2*z3)/(2*s234*s34^2*z12*z34) + 
   (s13*s14*s23*z2*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14^2*s23*z2*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s23^2*z2*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*s24*z2*z3)/(s12*s34^2*z12*z34) + (s13^2*s24*z2*z3)/
    (s12^2*s34^2*z12*z34) + (s13*s24*z2*z3)/(2*s134*s34^2*z12*z34) + 
   (s13^2*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (2*s14*s24*z2*z3)/(s12*s34^2*z12*z34) + (3*s13*s14*s24*z2*z3)/
    (s12^2*s34^2*z12*z34) + (s14*s24*z2*z3)/(s134*s34^2*z12*z34) + 
   (5*s13*s14*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (2*s14^2*s24*z2*z3)/(s12^2*s34^2*z12*z34) + (2*s14^2*s24*z2*z3)/
    (s12*s134*s34^2*z12*z34) + (2*s23*s24*z2*z3)/(s12*s34^2*z12*z34) + 
   (3*s13*s23*s24*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s13*s23*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (5*s14*s23*s24*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (3*s14*s23*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (2*s23^2*s24*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s13*s24*z2*z3)/(2*s234*s34^2*z12*z34) + (s13^2*s24*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s24*z2*z3)/(s234*s34^2*z12*z34) + 
   (3*s13*s14*s24*z2*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14^2*s24*z2*z3)/(s12*s234*s34^2*z12*z34) + 
   (s23*s24*z2*z3)/(s234*s34^2*z12*z34) + (3*s13*s23*s24*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) + (5*s14*s23*s24*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s23^2*s24*z2*z3)/(s12*s234*s34^2*z12*z34) + 
   (2*s24^2*z2*z3)/(s12*s34^2*z12*z34) + (3*s13*s24^2*z2*z3)/
    (s12^2*s34^2*z12*z34) + (s13*s24^2*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (4*s14*s24^2*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s14*s24^2*z2*z3)/(s12*s134*s34^2*z12*z34) + 
   (4*s23*s24^2*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s24^2*z2*z3)/(s234*s34^2*z12*z34) + (3*s13*s24^2*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) + (2*s14*s24^2*z2*z3)/
    (s12*s234*s34^2*z12*z34) + (2*s23*s24^2*z2*z3)/(s12*s234*s34^2*z12*z34) + 
   (2*s24^3*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s24^3*z2*z3)/(s12*s234*s34^2*z12*z34) - (z2*z3)/(s34*z12*z34) - 
   (s13*z2*z3)/(s12*s34*z12*z34) + (s13*z2*z3)/(4*s134*s34*z12*z34) + 
   (s13^2*z2*z3)/(4*s12*s134*s34*z12*z34) + (s13*s14*z2*z3)/
    (s12^2*s34*z12*z34) - (s13*s14*z2*z3)/(4*s12*s123*s34*z12*z34) - 
   (s13*s14*z2*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s14*z2*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^2*s14*z2*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (7*s14*z2*z3)/(4*s134*s34*z12*z34) + (3*s13*s14*z2*z3)/
    (s12*s134*s34*z12*z34) + (s14^2*z2*z3)/(s12^2*s34*z12*z34) - 
   (s14^2*z2*z3)/(4*s12*s123*s34*z12*z34) - 
   (s14^2*z2*z3)/(4*s12*s124*s34*z12*z34) - (s13*s14^2*z2*z3)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s14^2*z2*z3)/
    (2*s12^2*s124*s34*z12*z34) + (11*s14^2*z2*z3)/(4*s12*s134*s34*z12*z34) - 
   (s14^3*z2*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^3*z2*z3)/(4*s12^2*s124*s34*z12*z34) - (s23*z2*z3)/(s12*s34*z12*z34) + 
   (s23*z2*z3)/(4*s134*s34*z12*z34) + (s13*s23*z2*z3)/
    (2*s12*s134*s34*z12*z34) + (2*s14*s23*z2*z3)/(s12^2*s34*z12*z34) - 
   (s14*s23*z2*z3)/(4*s12*s123*s34*z12*z34) - 
   (s14*s23*z2*z3)/(4*s12*s124*s34*z12*z34) - (s13*s14*s23*z2*z3)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s14*s23*z2*z3)/
    (2*s12^2*s124*s34*z12*z34) + (5*s14*s23*z2*z3)/(2*s12*s134*s34*z12*z34) - 
   (s14^2*s23*z2*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s14^2*s23*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^2*z2*z3)/(4*s12*s134*s34*z12*z34) - (s14*s23^2*z2*z3)/
    (4*s12^2*s123*s34*z12*z34) - (s14*s23^2*z2*z3)/
    (4*s12^2*s124*s34*z12*z34) - (s13*z2*z3)/(4*s234*s34*z12*z34) - 
   (s13^2*z2*z3)/(4*s12*s234*s34*z12*z34) + 
   (s14*z2*z3)/(4*s234*s34*z12*z34) + (s14^2*z2*z3)/
    (4*s12*s234*s34*z12*z34) - (s23*z2*z3)/(4*s234*s34*z12*z34) - 
   (s13*s23*z2*z3)/(2*s12*s234*s34*z12*z34) + 
   (s14*s23*z2*z3)/(2*s12*s234*s34*z12*z34) - 
   (s23^2*z2*z3)/(4*s12*s234*s34*z12*z34) + (2*s24*z2*z3)/(s12*s34*z12*z34) + 
   (4*s13*s24*z2*z3)/(s12^2*s34*z12*z34) + (s13*s24*z2*z3)/
    (4*s12*s123*s34*z12*z34) + (s13*s24*z2*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z2*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z2*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (3*s24*z2*z3)/(4*s134*s34*z12*z34) + (3*s13*s24*z2*z3)/
    (2*s12*s134*s34*z12*z34) + (6*s14*s24*z2*z3)/(s12^2*s34*z12*z34) + 
   (7*s14*s24*z2*z3)/(2*s12*s134*s34*z12*z34) - 
   (s14^2*s24*z2*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^2*s24*z2*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (5*s23*s24*z2*z3)/(s12^2*s34*z12*z34) + (s23*s24*z2*z3)/
    (4*s12*s123*s34*z12*z34) + (s23*s24*z2*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13*s23*s24*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s23*s24*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s23*s24*z2*z3)/(s12*s134*s34*z12*z34) + (s23^2*s24*z2*z3)/
    (4*s12^2*s123*s34*z12*z34) + (s23^2*s24*z2*z3)/
    (4*s12^2*s124*s34*z12*z34) + (5*s24*z2*z3)/(4*s234*s34*z12*z34) + 
   (3*s13*s24*z2*z3)/(2*s12*s234*s34*z12*z34) + 
   (5*s14*s24*z2*z3)/(2*s12*s234*s34*z12*z34) + 
   (2*s23*s24*z2*z3)/(s12*s234*s34*z12*z34) + 
   (5*s24^2*z2*z3)/(s12^2*s34*z12*z34) + (s24^2*z2*z3)/
    (4*s12*s123*s34*z12*z34) + (s24^2*z2*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13*s24^2*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s24^2*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s24^2*z2*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14*s24^2*z2*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s14*s24^2*z2*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s23*s24^2*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s23*s24^2*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (9*s24^2*z2*z3)/(4*s12*s234*s34*z12*z34) + 
   (s24^3*z2*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s24^3*z2*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s34*z2*z3)/(2*s12*s134*z12*z34) - (s14*s34*z2*z3)/
    (2*s12^2*s123*z12*z34) - (s14*s34*z2*z3)/(2*s12^2*s124*z12*z34) - 
   (s34*z2*z3)/(2*s12*s234*z12*z34) + (s24*s34*z2*z3)/
    (2*s12^2*s123*z12*z34) + (s24*s34*z2*z3)/(2*s12^2*s124*z12*z34) + 
   (s14*z3^2)/(2*s12*s134*z12*z34) - (s14*z3^2)/(2*s12*s234*z12*z34) - 
   (s24*z3^2)/(2*s12*s134*z12*z34) + (s24*z3^2)/(2*s12*s234*z12*z34) + 
   (s14*z3^2)/(s34^2*z12*z34) + (s13*s14*z3^2)/(s12*s34^2*z12*z34) + 
   (s13*s14*z3^2)/(4*s134*s34^2*z12*z34) + (s13^2*s14*z3^2)/
    (4*s12*s134*s34^2*z12*z34) + (s14^2*z3^2)/(s12*s34^2*z12*z34) + 
   (s14^2*z3^2)/(4*s134*s34^2*z12*z34) + (s13*s14^2*z3^2)/
    (2*s12*s134*s34^2*z12*z34) + (s14^3*z3^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s14*s23*z3^2)/(s12*s34^2*z12*z34) + (s14*s23*z3^2)/
    (4*s134*s34^2*z12*z34) + (s13*s14*s23*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*s23*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23^2*z3^2)/(4*s12*s134*s34^2*z12*z34) - 
   (s13*s14*z3^2)/(4*s234*s34^2*z12*z34) - (s13^2*s14*z3^2)/
    (4*s12*s234*s34^2*z12*z34) - (s14^2*z3^2)/(4*s234*s34^2*z12*z34) - 
   (s13*s14^2*z3^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s14^3*z3^2)/(4*s12*s234*s34^2*z12*z34) - 
   (s14*s23*z3^2)/(4*s234*s34^2*z12*z34) - (s13*s14*s23*z3^2)/
    (2*s12*s234*s34^2*z12*z34) - (s14^2*s23*z3^2)/
    (2*s12*s234*s34^2*z12*z34) - (s14*s23^2*z3^2)/
    (4*s12*s234*s34^2*z12*z34) + (s24*z3^2)/(s34^2*z12*z34) + 
   (s13*s24*z3^2)/(s12*s34^2*z12*z34) - (s13*s24*z3^2)/
    (4*s134*s34^2*z12*z34) - (s13^2*s24*z3^2)/(4*s12*s134*s34^2*z12*z34) + 
   (2*s14*s24*z3^2)/(s12*s34^2*z12*z34) + (s14^2*s24*z3^2)/
    (4*s12*s134*s34^2*z12*z34) + (s23*s24*z3^2)/(s12*s34^2*z12*z34) - 
   (s23*s24*z3^2)/(4*s134*s34^2*z12*z34) - (s13*s23*s24*z3^2)/
    (2*s12*s134*s34^2*z12*z34) - (s23^2*s24*z3^2)/
    (4*s12*s134*s34^2*z12*z34) + (s13*s24*z3^2)/(4*s234*s34^2*z12*z34) + 
   (s13^2*s24*z3^2)/(4*s12*s234*s34^2*z12*z34) - 
   (s14^2*s24*z3^2)/(4*s12*s234*s34^2*z12*z34) + 
   (s23*s24*z3^2)/(4*s234*s34^2*z12*z34) + (s13*s23*s24*z3^2)/
    (2*s12*s234*s34^2*z12*z34) + (s23^2*s24*z3^2)/
    (4*s12*s234*s34^2*z12*z34) + (s24^2*z3^2)/(s12*s34^2*z12*z34) - 
   (s24^2*z3^2)/(4*s134*s34^2*z12*z34) - (s13*s24^2*z3^2)/
    (2*s12*s134*s34^2*z12*z34) - (s14*s24^2*z3^2)/
    (4*s12*s134*s34^2*z12*z34) - (s23*s24^2*z3^2)/
    (2*s12*s134*s34^2*z12*z34) + (s24^2*z3^2)/(4*s234*s34^2*z12*z34) + 
   (s13*s24^2*z3^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s24^2*z3^2)/(4*s12*s234*s34^2*z12*z34) + 
   (s23*s24^2*z3^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s24^3*z3^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s24^3*z3^2)/(4*s12*s234*s34^2*z12*z34) + (s14*z3^2)/(s12*s34*z12*z34) + 
   (s14*z3^2)/(2*s134*s34*z12*z34) + (3*s13*s14*z3^2)/
    (4*s12*s134*s34*z12*z34) + (3*s14^2*z3^2)/(4*s12*s134*s34*z12*z34) + 
   (3*s14*s23*z3^2)/(4*s12*s134*s34*z12*z34) - 
   (s14*z3^2)/(2*s234*s34*z12*z34) - (3*s13*s14*z3^2)/
    (4*s12*s234*s34*z12*z34) - (3*s14^2*z3^2)/(4*s12*s234*s34*z12*z34) - 
   (3*s14*s23*z3^2)/(4*s12*s234*s34*z12*z34) + (s24*z3^2)/(s12*s34*z12*z34) - 
   (s24*z3^2)/(2*s134*s34*z12*z34) - (3*s13*s24*z3^2)/
    (4*s12*s134*s34*z12*z34) - (3*s23*s24*z3^2)/(4*s12*s134*s34*z12*z34) + 
   (s24*z3^2)/(2*s234*s34*z12*z34) + (3*s13*s24*z3^2)/
    (4*s12*s234*s34*z12*z34) + (3*s23*s24*z3^2)/(4*s12*s234*s34*z12*z34) - 
   (3*s24^2*z3^2)/(4*s12*s134*s34*z12*z34) + 
   (3*s24^2*z3^2)/(4*s12*s234*s34*z12*z34) + (2*z4)/(s12*z12) + 
   z4/(s124*z12) - (s13*z4)/(s12*s123*z12) + (s13*z4)/(s12*s124*z12) + 
   z4/(2*s134*z12) + (s14*z4)/(s12*s124*z12) - (s23*z4)/(s12*s123*z12) + 
   (s23*z4)/(s12*s124*z12) + z4/(2*s234*z12) + (s24*z4)/(s12*s124*z12) - 
   (s13*z4)/(s34^2*z12) - (s13^2*z4)/(s12*s34^2*z12) + 
   (s13^2*z4)/(4*s134*s34^2*z12) + (s13^3*z4)/(4*s12*s134*s34^2*z12) - 
   (s13*s14*z4)/(s12*s34^2*z12) - (s13*s14*z4)/(4*s134*s34^2*z12) - 
   (s13*s14^2*z4)/(4*s12*s134*s34^2*z12) - (s23*z4)/(s34^2*z12) - 
   (2*s13*s23*z4)/(s12*s34^2*z12) + (s13^2*s23*z4)/(4*s12*s134*s34^2*z12) - 
   (s14*s23*z4)/(s12*s34^2*z12) + (s14*s23*z4)/(4*s134*s34^2*z12) + 
   (s14^2*s23*z4)/(4*s12*s134*s34^2*z12) - (s23^2*z4)/(s12*s34^2*z12) - 
   (s23^2*z4)/(4*s134*s34^2*z12) - (s13*s23^2*z4)/(4*s12*s134*s34^2*z12) - 
   (s23^3*z4)/(4*s12*s134*s34^2*z12) - (s13^2*z4)/(4*s234*s34^2*z12) - 
   (s13^3*z4)/(4*s12*s234*s34^2*z12) + (s13*s14*z4)/(4*s234*s34^2*z12) + 
   (s13*s14^2*z4)/(4*s12*s234*s34^2*z12) - 
   (s13^2*s23*z4)/(4*s12*s234*s34^2*z12) - (s14*s23*z4)/(4*s234*s34^2*z12) - 
   (s14^2*s23*z4)/(4*s12*s234*s34^2*z12) + (s23^2*z4)/(4*s234*s34^2*z12) + 
   (s13*s23^2*z4)/(4*s12*s234*s34^2*z12) + 
   (s23^3*z4)/(4*s12*s234*s34^2*z12) - (s13*s24*z4)/(s12*s34^2*z12) - 
   (s13*s24*z4)/(4*s134*s34^2*z12) - (s13*s14*s24*z4)/
    (2*s12*s134*s34^2*z12) - (s23*s24*z4)/(s12*s34^2*z12) + 
   (s23*s24*z4)/(4*s134*s34^2*z12) + (s14*s23*s24*z4)/
    (2*s12*s134*s34^2*z12) + (s13*s24*z4)/(4*s234*s34^2*z12) + 
   (s13*s14*s24*z4)/(2*s12*s234*s34^2*z12) - 
   (s23*s24*z4)/(4*s234*s34^2*z12) - (s14*s23*s24*z4)/
    (2*s12*s234*s34^2*z12) - (s13*s24^2*z4)/(4*s12*s134*s34^2*z12) + 
   (s23*s24^2*z4)/(4*s12*s134*s34^2*z12) + 
   (s13*s24^2*z4)/(4*s12*s234*s34^2*z12) - 
   (s23*s24^2*z4)/(4*s12*s234*s34^2*z12) + (2*z4)/(s34*z12) + 
   (s13*z4)/(s12*s34*z12) - (s13*z4)/(s123*s34*z12) - 
   (s13^2*z4)/(s12*s123*s34*z12) + (s12*z4)/(2*s134*s34*z12) + 
   (s13*z4)/(2*s134*s34*z12) + (s13^2*z4)/(4*s12*s134*s34*z12) + 
   (2*s14*z4)/(s12*s34*z12) - (s13*s14*z4)/(s12*s123*s34*z12) + 
   (s14*z4)/(2*s134*s34*z12) - (s13*s14*z4)/(4*s12*s134*s34*z12) + 
   (s23*z4)/(s12*s34*z12) - (s23*z4)/(s123*s34*z12) - 
   (2*s13*s23*z4)/(s12*s123*s34*z12) + (s23*z4)/(2*s134*s34*z12) - 
   (s14*s23*z4)/(s12*s123*s34*z12) + (s14*s23*z4)/(4*s12*s134*s34*z12) - 
   (s23^2*z4)/(s12*s123*s34*z12) - (s23^2*z4)/(4*s12*s134*s34*z12) + 
   (s12*z4)/(2*s234*s34*z12) + (s13*z4)/(2*s234*s34*z12) - 
   (s13^2*z4)/(4*s12*s234*s34*z12) + (s14*z4)/(2*s234*s34*z12) + 
   (s13*s14*z4)/(4*s12*s234*s34*z12) + (s23*z4)/(2*s234*s34*z12) - 
   (s14*s23*z4)/(4*s12*s234*s34*z12) + (s23^2*z4)/(4*s12*s234*s34*z12) + 
   (2*s24*z4)/(s12*s34*z12) - (s13*s24*z4)/(s12*s123*s34*z12) + 
   (s24*z4)/(2*s134*s34*z12) - (s13*s24*z4)/(4*s12*s134*s34*z12) - 
   (s23*s24*z4)/(s12*s123*s34*z12) + (s23*s24*z4)/(4*s12*s134*s34*z12) + 
   (s24*z4)/(2*s234*s34*z12) + (s13*s24*z4)/(4*s12*s234*s34*z12) - 
   (s23*s24*z4)/(4*s12*s234*s34*z12) + (s34*z4)/(s12*s124*z12) + 
   (2*z3*z4)/(s12*z34^2) + (10*s13*z3*z4)/(s12^2*z34^2) + 
   (4*z3*z4)/(s134*z34^2) + (11*s13*z3*z4)/(s12*s134*z34^2) + 
   (10*s14*z3*z4)/(s12^2*z34^2) + (11*s14*z3*z4)/(s12*s134*z34^2) + 
   (10*s23*z3*z4)/(s12^2*z34^2) + (7*s23*z3*z4)/(s12*s134*z34^2) + 
   (4*z3*z4)/(s234*z34^2) + (7*s13*z3*z4)/(s12*s234*z34^2) + 
   (4*s12*z3*z4)/(s134*s234*z34^2) + (8*s13*z3*z4)/(s134*s234*z34^2) + 
   (7*s14*z3*z4)/(s12*s234*z34^2) + (8*s14*z3*z4)/(s134*s234*z34^2) + 
   (11*s23*z3*z4)/(s12*s234*z34^2) + (8*s23*z3*z4)/(s134*s234*z34^2) + 
   (10*s24*z3*z4)/(s12^2*z34^2) + (7*s24*z3*z4)/(s12*s134*z34^2) + 
   (11*s24*z3*z4)/(s12*s234*z34^2) + (8*s24*z3*z4)/(s134*s234*z34^2) + 
   (2*s13^2*z3*z4)/(s12*s34^2*z34^2) + (2*s13^3*z3*z4)/(s12^2*s34^2*z34^2) + 
   (3*s13^2*z3*z4)/(s134*s34^2*z34^2) + (3*s13^3*z3*z4)/
    (s12*s134*s34^2*z34^2) + (4*s13*s14*z3*z4)/(s12*s34^2*z34^2) + 
   (6*s13^2*s14*z3*z4)/(s12^2*s34^2*z34^2) + (6*s13*s14*z3*z4)/
    (s134*s34^2*z34^2) + (9*s13^2*s14*z3*z4)/(s12*s134*s34^2*z34^2) + 
   (2*s14^2*z3*z4)/(s12*s34^2*z34^2) + (6*s13*s14^2*z3*z4)/
    (s12^2*s34^2*z34^2) + (3*s14^2*z3*z4)/(s134*s34^2*z34^2) + 
   (9*s13*s14^2*z3*z4)/(s12*s134*s34^2*z34^2) + 
   (2*s14^3*z3*z4)/(s12^2*s34^2*z34^2) + (3*s14^3*z3*z4)/
    (s12*s134*s34^2*z34^2) + (6*s13*s23*z3*z4)/(s12*s34^2*z34^2) + 
   (8*s13^2*s23*z3*z4)/(s12^2*s34^2*z34^2) + (3*s13*s23*z3*z4)/
    (s134*s34^2*z34^2) + (6*s13^2*s23*z3*z4)/(s12*s134*s34^2*z34^2) + 
   (6*s14*s23*z3*z4)/(s12*s34^2*z34^2) + (16*s13*s14*s23*z3*z4)/
    (s12^2*s34^2*z34^2) + (3*s14*s23*z3*z4)/(s134*s34^2*z34^2) + 
   (12*s13*s14*s23*z3*z4)/(s12*s134*s34^2*z34^2) + 
   (8*s14^2*s23*z3*z4)/(s12^2*s34^2*z34^2) + (6*s14^2*s23*z3*z4)/
    (s12*s134*s34^2*z34^2) + (2*s23^2*z3*z4)/(s12*s34^2*z34^2) + 
   (8*s13*s23^2*z3*z4)/(s12^2*s34^2*z34^2) + (3*s13*s23^2*z3*z4)/
    (s12*s134*s34^2*z34^2) + (8*s14*s23^2*z3*z4)/(s12^2*s34^2*z34^2) + 
   (3*s14*s23^2*z3*z4)/(s12*s134*s34^2*z34^2) + 
   (2*s23^3*z3*z4)/(s12^2*s34^2*z34^2) + (3*s13*s23*z3*z4)/
    (s234*s34^2*z34^2) + (3*s13^2*s23*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (4*s12*s13*s23*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (4*s13^2*s23*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (3*s14*s23*z3*z4)/(s234*s34^2*z34^2) + (6*s13*s14*s23*z3*z4)/
    (s12*s234*s34^2*z34^2) + (4*s12*s14*s23*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (8*s13*s14*s23*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (3*s14^2*s23*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (4*s14^2*s23*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (3*s23^2*z3*z4)/(s234*s34^2*z34^2) + (6*s13*s23^2*z3*z4)/
    (s12*s234*s34^2*z34^2) + (4*s13*s23^2*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (6*s14*s23^2*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (4*s14*s23^2*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (3*s23^3*z3*z4)/(s12*s234*s34^2*z34^2) + (6*s13*s24*z3*z4)/
    (s12*s34^2*z34^2) + (8*s13^2*s24*z3*z4)/(s12^2*s34^2*z34^2) + 
   (3*s13*s24*z3*z4)/(s134*s34^2*z34^2) + (6*s13^2*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) + (6*s14*s24*z3*z4)/(s12*s34^2*z34^2) + 
   (16*s13*s14*s24*z3*z4)/(s12^2*s34^2*z34^2) + 
   (3*s14*s24*z3*z4)/(s134*s34^2*z34^2) + (12*s13*s14*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) + (8*s14^2*s24*z3*z4)/(s12^2*s34^2*z34^2) + 
   (6*s14^2*s24*z3*z4)/(s12*s134*s34^2*z34^2) + 
   (4*s23*s24*z3*z4)/(s12*s34^2*z34^2) + (16*s13*s23*s24*z3*z4)/
    (s12^2*s34^2*z34^2) + (6*s13*s23*s24*z3*z4)/(s12*s134*s34^2*z34^2) + 
   (16*s14*s23*s24*z3*z4)/(s12^2*s34^2*z34^2) + (6*s14*s23*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) + (6*s23^2*s24*z3*z4)/(s12^2*s34^2*z34^2) + 
   (3*s13*s24*z3*z4)/(s234*s34^2*z34^2) + (3*s13^2*s24*z3*z4)/
    (s12*s234*s34^2*z34^2) + (4*s12*s13*s24*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (4*s13^2*s24*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (3*s14*s24*z3*z4)/(s234*s34^2*z34^2) + (6*s13*s14*s24*z3*z4)/
    (s12*s234*s34^2*z34^2) + (4*s12*s14*s24*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (8*s13*s14*s24*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (3*s14^2*s24*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (4*s14^2*s24*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (6*s23*s24*z3*z4)/(s234*s34^2*z34^2) + (12*s13*s23*s24*z3*z4)/
    (s12*s234*s34^2*z34^2) + (8*s13*s23*s24*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (12*s14*s23*s24*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (8*s14*s23*s24*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (9*s23^2*s24*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (2*s24^2*z3*z4)/(s12*s34^2*z34^2) + (8*s13*s24^2*z3*z4)/
    (s12^2*s34^2*z34^2) + (3*s13*s24^2*z3*z4)/(s12*s134*s34^2*z34^2) + 
   (8*s14*s24^2*z3*z4)/(s12^2*s34^2*z34^2) + (3*s14*s24^2*z3*z4)/
    (s12*s134*s34^2*z34^2) + (6*s23*s24^2*z3*z4)/(s12^2*s34^2*z34^2) + 
   (3*s24^2*z3*z4)/(s234*s34^2*z34^2) + (6*s13*s24^2*z3*z4)/
    (s12*s234*s34^2*z34^2) + (4*s13*s24^2*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (6*s14*s24^2*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (4*s14*s24^2*z3*z4)/(s134*s234*s34^2*z34^2) + 
   (9*s23*s24^2*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (2*s24^3*z3*z4)/(s12^2*s34^2*z34^2) + (3*s24^3*z3*z4)/
    (s12*s234*s34^2*z34^2) - (2*z3*z4)/(s34*z34^2) + 
   (4*s13*z3*z4)/(s12*s34*z34^2) + (8*s13^2*z3*z4)/(s12^2*s34*z34^2) + 
   (7*s13*z3*z4)/(s134*s34*z34^2) + (10*s13^2*z3*z4)/(s12*s134*s34*z34^2) + 
   (4*s14*z3*z4)/(s12*s34*z34^2) + (16*s13*s14*z3*z4)/(s12^2*s34*z34^2) + 
   (7*s14*z3*z4)/(s134*s34*z34^2) + (20*s13*s14*z3*z4)/(s12*s134*s34*z34^2) + 
   (8*s14^2*z3*z4)/(s12^2*s34*z34^2) + (10*s14^2*z3*z4)/
    (s12*s134*s34*z34^2) + (4*s23*z3*z4)/(s12*s34*z34^2) + 
   (18*s13*s23*z3*z4)/(s12^2*s34*z34^2) + (3*s23*z3*z4)/(s134*s34*z34^2) + 
   (13*s13*s23*z3*z4)/(s12*s134*s34*z34^2) + (18*s14*s23*z3*z4)/
    (s12^2*s34*z34^2) + (13*s14*s23*z3*z4)/(s12*s134*s34*z34^2) + 
   (8*s23^2*z3*z4)/(s12^2*s34*z34^2) + (3*s23^2*z3*z4)/(s12*s134*s34*z34^2) + 
   (3*s13*z3*z4)/(s234*s34*z34^2) + (3*s13^2*z3*z4)/(s12*s234*s34*z34^2) + 
   (4*s12*s13*z3*z4)/(s134*s234*s34*z34^2) + 
   (4*s13^2*z3*z4)/(s134*s234*s34*z34^2) + (3*s14*z3*z4)/(s234*s34*z34^2) + 
   (6*s13*s14*z3*z4)/(s12*s234*s34*z34^2) + (4*s12*s14*z3*z4)/
    (s134*s234*s34*z34^2) + (8*s13*s14*z3*z4)/(s134*s234*s34*z34^2) + 
   (3*s14^2*z3*z4)/(s12*s234*s34*z34^2) + (4*s14^2*z3*z4)/
    (s134*s234*s34*z34^2) + (7*s23*z3*z4)/(s234*s34*z34^2) + 
   (13*s13*s23*z3*z4)/(s12*s234*s34*z34^2) + (4*s12*s23*z3*z4)/
    (s134*s234*s34*z34^2) + (12*s13*s23*z3*z4)/(s134*s234*s34*z34^2) + 
   (13*s14*s23*z3*z4)/(s12*s234*s34*z34^2) + (12*s14*s23*z3*z4)/
    (s134*s234*s34*z34^2) + (10*s23^2*z3*z4)/(s12*s234*s34*z34^2) + 
   (4*s23^2*z3*z4)/(s134*s234*s34*z34^2) + (4*s24*z3*z4)/(s12*s34*z34^2) + 
   (18*s13*s24*z3*z4)/(s12^2*s34*z34^2) + (3*s24*z3*z4)/(s134*s34*z34^2) + 
   (13*s13*s24*z3*z4)/(s12*s134*s34*z34^2) + (18*s14*s24*z3*z4)/
    (s12^2*s34*z34^2) + (13*s14*s24*z3*z4)/(s12*s134*s34*z34^2) + 
   (16*s23*s24*z3*z4)/(s12^2*s34*z34^2) + (6*s23*s24*z3*z4)/
    (s12*s134*s34*z34^2) + (7*s24*z3*z4)/(s234*s34*z34^2) + 
   (13*s13*s24*z3*z4)/(s12*s234*s34*z34^2) + (4*s12*s24*z3*z4)/
    (s134*s234*s34*z34^2) + (12*s13*s24*z3*z4)/(s134*s234*s34*z34^2) + 
   (13*s14*s24*z3*z4)/(s12*s234*s34*z34^2) + (12*s14*s24*z3*z4)/
    (s134*s234*s34*z34^2) + (20*s23*s24*z3*z4)/(s12*s234*s34*z34^2) + 
   (8*s23*s24*z3*z4)/(s134*s234*s34*z34^2) + 
   (8*s24^2*z3*z4)/(s12^2*s34*z34^2) + (3*s24^2*z3*z4)/(s12*s134*s34*z34^2) + 
   (10*s24^2*z3*z4)/(s12*s234*s34*z34^2) + (4*s24^2*z3*z4)/
    (s134*s234*s34*z34^2) + (4*s34*z3*z4)/(s12^2*z34^2) + 
   (4*s34*z3*z4)/(s12*s134*z34^2) + (4*s34*z3*z4)/(s12*s234*z34^2) + 
   (4*s34*z3*z4)/(s134*s234*z34^2) - (4*z1*z3*z4)/(s12*z12*z34^2) - 
   (10*s13*z1*z3*z4)/(s12^2*z12*z34^2) - (2*z1*z3*z4)/(s134*z12*z34^2) - 
   (5*s13*z1*z3*z4)/(s12*s134*z12*z34^2) - (10*s14*z1*z3*z4)/
    (s12^2*z12*z34^2) - (5*s14*z1*z3*z4)/(s12*s134*z12*z34^2) - 
   (6*s23*z1*z3*z4)/(s12^2*z12*z34^2) - (3*s23*z1*z3*z4)/
    (s12*s134*z12*z34^2) - (2*z1*z3*z4)/(s234*z12*z34^2) - 
   (3*s13*z1*z3*z4)/(s12*s234*z12*z34^2) - (3*s14*z1*z3*z4)/
    (s12*s234*z12*z34^2) - (5*s23*z1*z3*z4)/(s12*s234*z12*z34^2) - 
   (6*s24*z1*z3*z4)/(s12^2*z12*z34^2) - (3*s24*z1*z3*z4)/
    (s12*s134*z12*z34^2) - (5*s24*z1*z3*z4)/(s12*s234*z12*z34^2) - 
   (2*s13^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (2*s13^3*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s13^2*z1*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (s13^3*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (4*s13*s14*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (6*s13^2*s14*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s13*s14*z1*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (3*s13^2*s14*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (2*s14^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (6*s13*s14^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s14^2*z1*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (3*s13*s14^2*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (2*s14^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (s14^3*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (2*s13*s23*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13^2*s23*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s13*s23*z1*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (2*s13^2*s23*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (2*s14*s23*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (8*s13*s14*s23*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s14*s23*z1*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (4*s13*s14*s23*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (4*s14^2*s23*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s14^2*s23*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (2*s13*s23^2*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (s13*s23^2*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (2*s14*s23^2*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (s14*s23^2*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (s13*s23*z1*z3*z4)/(s234*s34^2*z12*z34^2) - (s13^2*s23*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (s14*s23*z1*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (2*s13*s14*s23*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (s14^2*s23*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (s23^2*z1*z3*z4)/(s234*s34^2*z12*z34^2) - (2*s13*s23^2*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (2*s14*s23^2*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (s23^3*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (2*s13*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (4*s13^2*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (s13*s24*z1*z3*z4)/(s134*s34^2*z12*z34^2) - (2*s13^2*s24*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (2*s14*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (8*s13*s14*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (s14*s24*z1*z3*z4)/(s134*s34^2*z12*z34^2) - (4*s13*s14*s24*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (4*s14^2*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14^2*s24*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (4*s13*s23*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s13*s23*s24*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (4*s14*s23*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14*s23*s24*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (s13*s24*z1*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (s13^2*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (s14*s24*z1*z3*z4)/(s234*s34^2*z12*z34^2) - (2*s13*s14*s24*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (s14^2*s24*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (2*s23*s24*z1*z3*z4)/
    (s234*s34^2*z12*z34^2) - (4*s13*s23*s24*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (4*s14*s23*s24*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (3*s23^2*s24*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (2*s13*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s13*s24^2*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (2*s14*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s14*s24^2*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (s24^2*z1*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (2*s13*s24^2*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (2*s14*s24^2*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (3*s23*s24^2*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (s24^3*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (6*s13*z1*z3*z4)/(s12*s34*z12*z34^2) - (8*s13^2*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) - (3*s13*z1*z3*z4)/(s134*s34*z12*z34^2) - 
   (4*s13^2*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (6*s14*z1*z3*z4)/(s12*s34*z12*z34^2) - (16*s13*s14*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) - (3*s14*z1*z3*z4)/(s134*s34*z12*z34^2) - 
   (8*s13*s14*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (8*s14^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) - (4*s14^2*z1*z3*z4)/
    (s12*s134*s34*z12*z34^2) - (2*s23*z1*z3*z4)/(s12*s34*z12*z34^2) - 
   (10*s13*s23*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (s23*z1*z3*z4)/(s134*s34*z12*z34^2) - (5*s13*s23*z1*z3*z4)/
    (s12*s134*s34*z12*z34^2) - (10*s14*s23*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (5*s14*s23*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (2*s23^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (s23^2*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (s13*z1*z3*z4)/(s234*s34*z12*z34^2) - (s13^2*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (s14*z1*z3*z4)/(s234*s34*z12*z34^2) - 
   (2*s13*s14*z1*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (s14^2*z1*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (3*s23*z1*z3*z4)/(s234*s34*z12*z34^2) - (5*s13*s23*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (5*s14*s23*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (4*s23^2*z1*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (2*s24*z1*z3*z4)/(s12*s34*z12*z34^2) - (10*s13*s24*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) - (s24*z1*z3*z4)/(s134*s34*z12*z34^2) - 
   (5*s13*s24*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (10*s14*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (5*s14*s24*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (4*s23*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s23*s24*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (3*s24*z1*z3*z4)/(s234*s34*z12*z34^2) - (5*s13*s24*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (5*s14*s24*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (8*s23*s24*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (2*s24^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (s24^2*z1*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (4*s24^2*z1*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (4*s34*z1*z3*z4)/(s12^2*z12*z34^2) - (2*s34*z1*z3*z4)/
    (s12*s134*z12*z34^2) - (2*s34*z1*z3*z4)/(s12*s234*z12*z34^2) + 
   (8*z1*z2*z3*z4)/(s12*z12^2*z34^2) + (16*s13*z1*z2*z3*z4)/
    (s12^2*z12^2*z34^2) + (16*s14*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) + 
   (16*s23*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) + (16*s24*z1*z2*z3*z4)/
    (s12^2*z12^2*z34^2) + (2*s13^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (2*s13^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (4*s13*s14*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13^2*s14*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s14^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13*s14^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s14^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (4*s13*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (4*s14*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (12*s13*s14*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s14^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s23^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s14*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s23^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (4*s13*s24*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13^2*s24*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (4*s14*s24*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (12*s13*s14*s24*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s14^2*s24*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (4*s23*s24*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (12*s13*s23*s24*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (12*s14*s23*s24*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s23^2*s24*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s24^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13*s24^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s14*s24^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s23*s24^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s24^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (8*s13*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + (10*s13^2*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (8*s14*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + 
   (20*s13*s14*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (10*s14^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (8*s23*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + (20*s13*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (20*s14*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (10*s23^2*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (8*s24*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + 
   (20*s13*s24*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (20*s14*s24*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (20*s23*s24*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (10*s24^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (8*s34*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) - (4*z2*z3*z4)/(s12*z12*z34^2) - 
   (6*s13*z2*z3*z4)/(s12^2*z12*z34^2) - (2*z2*z3*z4)/(s134*z12*z34^2) - 
   (5*s13*z2*z3*z4)/(s12*s134*z12*z34^2) - (6*s14*z2*z3*z4)/
    (s12^2*z12*z34^2) - (5*s14*z2*z3*z4)/(s12*s134*z12*z34^2) - 
   (10*s23*z2*z3*z4)/(s12^2*z12*z34^2) - (3*s23*z2*z3*z4)/
    (s12*s134*z12*z34^2) - (2*z2*z3*z4)/(s234*z12*z34^2) - 
   (3*s13*z2*z3*z4)/(s12*s234*z12*z34^2) - (3*s14*z2*z3*z4)/
    (s12*s234*z12*z34^2) - (5*s23*z2*z3*z4)/(s12*s234*z12*z34^2) - 
   (10*s24*z2*z3*z4)/(s12^2*z12*z34^2) - (3*s24*z2*z3*z4)/
    (s12*s134*z12*z34^2) - (5*s24*z2*z3*z4)/(s12*s234*z12*z34^2) - 
   (s13^2*z2*z3*z4)/(s134*s34^2*z12*z34^2) - (s13^3*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (2*s13*s14*z2*z3*z4)/
    (s134*s34^2*z12*z34^2) - (3*s13^2*s14*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (s14^2*z2*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (3*s13*s14^2*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (s14^3*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (2*s13*s23*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (2*s13^2*s23*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s13*s23*z2*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (2*s13^2*s23*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (2*s14*s23*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13*s14*s23*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s14*s23*z2*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (4*s13*s14*s23*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (2*s14^2*s23*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s14^2*s23*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (2*s23^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13*s23^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s13*s23^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (4*s14*s23^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s14*s23^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (2*s23^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (s13*s23*z2*z3*z4)/(s234*s34^2*z12*z34^2) - (s13^2*s23*z2*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (s14*s23*z2*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (2*s13*s14*s23*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (s14^2*s23*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (s23^2*z2*z3*z4)/(s234*s34^2*z12*z34^2) - (2*s13*s23^2*z2*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (2*s14*s23^2*z2*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (s23^3*z2*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (2*s13*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s13^2*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (s13*s24*z2*z3*z4)/(s134*s34^2*z12*z34^2) - (2*s13^2*s24*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (2*s14*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (4*s13*s14*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (s14*s24*z2*z3*z4)/(s134*s34^2*z12*z34^2) - (4*s13*s14*s24*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (2*s14^2*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14^2*s24*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (4*s23*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (8*s13*s23*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s13*s23*s24*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (8*s14*s23*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s14*s23*s24*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (6*s23^2*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (s13*s24*z2*z3*z4)/(s234*s34^2*z12*z34^2) - (s13^2*s24*z2*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (s14*s24*z2*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (2*s13*s14*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (s14^2*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (2*s23*s24*z2*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (4*s13*s23*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (4*s14*s23*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (3*s23^2*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (2*s24^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13*s24^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s13*s24^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (4*s14*s24^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s14*s24^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (6*s23*s24^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (s24^2*z2*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (2*s13*s24^2*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (2*s14*s24^2*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (3*s23*s24^2*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (2*s24^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (s24^3*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (2*s13*z2*z3*z4)/(s12*s34*z12*z34^2) - (2*s13^2*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) - (3*s13*z2*z3*z4)/(s134*s34*z12*z34^2) - 
   (4*s13^2*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (2*s14*z2*z3*z4)/(s12*s34*z12*z34^2) - (4*s13*s14*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) - (3*s14*z2*z3*z4)/(s134*s34*z12*z34^2) - 
   (8*s13*s14*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (2*s14^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) - (4*s14^2*z2*z3*z4)/
    (s12*s134*s34*z12*z34^2) - (6*s23*z2*z3*z4)/(s12*s34*z12*z34^2) - 
   (10*s13*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (s23*z2*z3*z4)/(s134*s34*z12*z34^2) - (5*s13*s23*z2*z3*z4)/
    (s12*s134*s34*z12*z34^2) - (10*s14*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (5*s14*s23*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (8*s23^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (s23^2*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (s13*z2*z3*z4)/(s234*s34*z12*z34^2) - (s13^2*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (s14*z2*z3*z4)/(s234*s34*z12*z34^2) - 
   (2*s13*s14*z2*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (s14^2*z2*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (3*s23*z2*z3*z4)/(s234*s34*z12*z34^2) - (5*s13*s23*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (5*s14*s23*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (4*s23^2*z2*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (6*s24*z2*z3*z4)/(s12*s34*z12*z34^2) - (10*s13*s24*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) - (s24*z2*z3*z4)/(s134*s34*z12*z34^2) - 
   (5*s13*s24*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (10*s14*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (5*s14*s24*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (16*s23*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s23*s24*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (3*s24*z2*z3*z4)/(s234*s34*z12*z34^2) - (5*s13*s24*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (5*s14*s24*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (8*s23*s24*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (8*s24^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (s24^2*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (4*s24^2*z2*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (4*s34*z2*z3*z4)/(s12^2*z12*z34^2) - (2*s34*z2*z3*z4)/
    (s12*s134*z12*z34^2) - (2*s34*z2*z3*z4)/(s12*s234*z12*z34^2) - 
   (4*z3^2*z4)/(s12*z12*z34^2) - (2*s13*z3^2*z4)/(s34^2*z12*z34^2) - 
   (2*s13^2*z3^2*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s14*z3^2*z4)/(s34^2*z12*z34^2) - (4*s13*s14*z3^2*z4)/
    (s12*s34^2*z12*z34^2) - (2*s14^2*z3^2*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s23*z3^2*z4)/(s34^2*z12*z34^2) - (4*s13*s23*z3^2*z4)/
    (s12*s34^2*z12*z34^2) - (4*s14*s23*z3^2*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s23^2*z3^2*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s24*z3^2*z4)/(s34^2*z12*z34^2) - (4*s13*s24*z3^2*z4)/
    (s12*s34^2*z12*z34^2) - (4*s14*s24*z3^2*z4)/(s12*s34^2*z12*z34^2) - 
   (4*s23*s24*z3^2*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s24^2*z3^2*z4)/(s12*s34^2*z12*z34^2) - (4*z3^2*z4)/(s34*z12*z34^2) - 
   (6*s13*z3^2*z4)/(s12*s34*z12*z34^2) - (6*s14*z3^2*z4)/
    (s12*s34*z12*z34^2) - (6*s23*z3^2*z4)/(s12*s34*z12*z34^2) - 
   (6*s24*z3^2*z4)/(s12*s34*z12*z34^2) - (3*s13*z4)/(s12^2*z34) - 
   (s13*z4)/(2*s12*s123*z34) - (s13*z4)/(2*s12*s124*z34) - 
   (3*s13^2*z4)/(4*s12^2*s123*z34) - (3*s13^2*z4)/(4*s12^2*s124*z34) - 
   (3*s13*z4)/(s12*s134*z34) - (s13*z4)/(s123*s134*z34) + 
   (s13*z4)/(2*s124*s134*z34) - (2*s13^2*z4)/(s12*s123*s134*z34) + 
   (s13^2*z4)/(s12*s124*s134*z34) - (3*s13*s14*z4)/(4*s12^2*s123*z34) - 
   (3*s13*s14*z4)/(4*s12^2*s124*z34) - (2*s13*s14*z4)/(s12*s123*s134*z34) + 
   (s13*s14*z4)/(s12*s124*s134*z34) - (3*s23*z4)/(s12^2*z34) - 
   (s23*z4)/(2*s12*s123*z34) - (s23*z4)/(2*s12*s124*z34) - 
   (5*s13*s23*z4)/(2*s12^2*s123*z34) - (5*s13*s23*z4)/(2*s12^2*s124*z34) - 
   (2*s23*z4)/(s12*s134*z34) - (s23*z4)/(s123*s134*z34) + 
   (s23*z4)/(2*s124*s134*z34) - (3*s13*s23*z4)/(s12*s123*s134*z34) + 
   (3*s13*s23*z4)/(2*s12*s124*s134*z34) - (5*s14*s23*z4)/(4*s12^2*s123*z34) - 
   (5*s14*s23*z4)/(4*s12^2*s124*z34) - (2*s14*s23*z4)/(s12*s123*s134*z34) + 
   (s14*s23*z4)/(s12*s124*s134*z34) - (3*s23^2*z4)/(4*s12^2*s123*z34) - 
   (3*s23^2*z4)/(4*s12^2*s124*z34) - (s23^2*z4)/(s12*s123*s134*z34) + 
   (s23^2*z4)/(2*s12*s124*s134*z34) - (2*s13*z4)/(s12*s234*z34) + 
   (s13*z4)/(2*s123*s234*z34) - (s13*z4)/(s124*s234*z34) + 
   (s13^2*z4)/(2*s12*s123*s234*z34) - (s13^2*z4)/(s12*s124*s234*z34) - 
   (2*s13*z4)/(s134*s234*z34) + (s13*s14*z4)/(2*s12*s123*s234*z34) - 
   (s13*s14*z4)/(s12*s124*s234*z34) - (3*s23*z4)/(s12*s234*z34) + 
   (s23*z4)/(2*s123*s234*z34) - (s23*z4)/(s124*s234*z34) + 
   (3*s13*s23*z4)/(2*s12*s123*s234*z34) - (3*s13*s23*z4)/
    (s12*s124*s234*z34) - (2*s23*z4)/(s134*s234*z34) + 
   (s14*s23*z4)/(2*s12*s123*s234*z34) - (s14*s23*z4)/(s12*s124*s234*z34) + 
   (s23^2*z4)/(s12*s123*s234*z34) - (2*s23^2*z4)/(s12*s124*s234*z34) - 
   (5*s13*s24*z4)/(4*s12^2*s123*z34) - (5*s13*s24*z4)/(4*s12^2*s124*z34) - 
   (s13*s24*z4)/(s12*s123*s134*z34) + (s13*s24*z4)/(2*s12*s124*s134*z34) - 
   (3*s23*s24*z4)/(4*s12^2*s123*z34) - (3*s23*s24*z4)/(4*s12^2*s124*z34) - 
   (s23*s24*z4)/(s12*s123*s134*z34) + (s23*s24*z4)/(2*s12*s124*s134*z34) + 
   (s13*s24*z4)/(s12*s123*s234*z34) - (2*s13*s24*z4)/(s12*s124*s234*z34) + 
   (s23*s24*z4)/(s12*s123*s234*z34) - (2*s23*s24*z4)/(s12*s124*s234*z34) - 
   (2*s13^2*z4)/(s12*s34^2*z34) - (2*s13^3*z4)/(s12^2*s34^2*z34) - 
   (3*s13^2*z4)/(s134*s34^2*z34) - (3*s13^3*z4)/(s12*s134*s34^2*z34) - 
   (2*s13*s14*z4)/(s12*s34^2*z34) - (4*s13^2*s14*z4)/(s12^2*s34^2*z34) - 
   (3*s13*s14*z4)/(s134*s34^2*z34) - (6*s13^2*s14*z4)/(s12*s134*s34^2*z34) - 
   (2*s13*s14^2*z4)/(s12^2*s34^2*z34) - (3*s13*s14^2*z4)/
    (s12*s134*s34^2*z34) - (6*s13*s23*z4)/(s12*s34^2*z34) - 
   (8*s13^2*s23*z4)/(s12^2*s34^2*z34) - (3*s13*s23*z4)/(s134*s34^2*z34) - 
   (6*s13^2*s23*z4)/(s12*s134*s34^2*z34) - (3*s14*s23*z4)/(s12*s34^2*z34) - 
   (11*s13*s14*s23*z4)/(s12^2*s34^2*z34) - 
   (3*s14*s23*z4)/(2*s134*s34^2*z34) - (15*s13*s14*s23*z4)/
    (2*s12*s134*s34^2*z34) - (3*s14^2*s23*z4)/(s12^2*s34^2*z34) - 
   (3*s14^2*s23*z4)/(2*s12*s134*s34^2*z34) - (2*s23^2*z4)/(s12*s34^2*z34) - 
   (8*s13*s23^2*z4)/(s12^2*s34^2*z34) - (3*s13*s23^2*z4)/
    (s12*s134*s34^2*z34) - (5*s14*s23^2*z4)/(s12^2*s34^2*z34) - 
   (3*s14*s23^2*z4)/(2*s12*s134*s34^2*z34) - (2*s23^3*z4)/(s12^2*s34^2*z34) - 
   (3*s13*s23*z4)/(s234*s34^2*z34) - (3*s13^2*s23*z4)/(s12*s234*s34^2*z34) - 
   (4*s12*s13*s23*z4)/(s134*s234*s34^2*z34) - 
   (4*s13^2*s23*z4)/(s134*s234*s34^2*z34) - 
   (3*s14*s23*z4)/(2*s234*s34^2*z34) - (9*s13*s14*s23*z4)/
    (2*s12*s234*s34^2*z34) - (2*s12*s14*s23*z4)/(s134*s234*s34^2*z34) - 
   (6*s13*s14*s23*z4)/(s134*s234*s34^2*z34) - 
   (3*s14^2*s23*z4)/(2*s12*s234*s34^2*z34) - (2*s14^2*s23*z4)/
    (s134*s234*s34^2*z34) - (3*s23^2*z4)/(s234*s34^2*z34) - 
   (6*s13*s23^2*z4)/(s12*s234*s34^2*z34) - (4*s13*s23^2*z4)/
    (s134*s234*s34^2*z34) - (9*s14*s23^2*z4)/(2*s12*s234*s34^2*z34) - 
   (2*s14*s23^2*z4)/(s134*s234*s34^2*z34) - 
   (3*s23^3*z4)/(s12*s234*s34^2*z34) - (3*s13*s24*z4)/(s12*s34^2*z34) - 
   (5*s13^2*s24*z4)/(s12^2*s34^2*z34) - (3*s13*s24*z4)/(2*s134*s34^2*z34) - 
   (9*s13^2*s24*z4)/(2*s12*s134*s34^2*z34) - (5*s13*s14*s24*z4)/
    (s12^2*s34^2*z34) - (9*s13*s14*s24*z4)/(2*s12*s134*s34^2*z34) - 
   (2*s23*s24*z4)/(s12*s34^2*z34) - (11*s13*s23*s24*z4)/(s12^2*s34^2*z34) - 
   (9*s13*s23*s24*z4)/(2*s12*s134*s34^2*z34) - 
   (5*s14*s23*s24*z4)/(s12^2*s34^2*z34) - (3*s14*s23*s24*z4)/
    (2*s12*s134*s34^2*z34) - (4*s23^2*s24*z4)/(s12^2*s34^2*z34) - 
   (3*s13*s24*z4)/(2*s234*s34^2*z34) - (3*s13^2*s24*z4)/
    (2*s12*s234*s34^2*z34) - (2*s12*s13*s24*z4)/(s134*s234*s34^2*z34) - 
   (2*s13^2*s24*z4)/(s134*s234*s34^2*z34) - (3*s13*s14*s24*z4)/
    (2*s12*s234*s34^2*z34) - (2*s13*s14*s24*z4)/(s134*s234*s34^2*z34) - 
   (3*s23*s24*z4)/(s234*s34^2*z34) - (15*s13*s23*s24*z4)/
    (2*s12*s234*s34^2*z34) - (6*s13*s23*s24*z4)/(s134*s234*s34^2*z34) - 
   (9*s14*s23*s24*z4)/(2*s12*s234*s34^2*z34) - 
   (2*s14*s23*s24*z4)/(s134*s234*s34^2*z34) - 
   (6*s23^2*s24*z4)/(s12*s234*s34^2*z34) - (3*s13*s24^2*z4)/
    (s12^2*s34^2*z34) - (3*s13*s24^2*z4)/(2*s12*s134*s34^2*z34) - 
   (2*s23*s24^2*z4)/(s12^2*s34^2*z34) - (3*s13*s24^2*z4)/
    (2*s12*s234*s34^2*z34) - (2*s13*s24^2*z4)/(s134*s234*s34^2*z34) - 
   (3*s23*s24^2*z4)/(s12*s234*s34^2*z34) - (3*s13*z4)/(s12*s34*z34) - 
   (5*s13^2*z4)/(s12^2*s34*z34) - (s13^2*z4)/(4*s12*s123*s34*z34) - 
   (s13^2*z4)/(4*s12*s124*s34*z34) - (s13^3*z4)/(4*s12^2*s123*s34*z34) - 
   (s13^3*z4)/(4*s12^2*s124*s34*z34) - (3*s13*z4)/(s134*s34*z34) - 
   (6*s13^2*z4)/(s12*s134*s34*z34) - (s13^2*z4)/(s123*s134*s34*z34) + 
   (s13^2*z4)/(2*s124*s134*s34*z34) - (s13^3*z4)/(s12*s123*s134*s34*z34) + 
   (s13^3*z4)/(2*s12*s124*s134*s34*z34) - (5*s13*s14*z4)/(s12^2*s34*z34) - 
   (s13*s14*z4)/(4*s12*s123*s34*z34) - (s13*s14*z4)/(4*s12*s124*s34*z34) - 
   (s13^2*s14*z4)/(2*s12^2*s123*s34*z34) - 
   (s13^2*s14*z4)/(2*s12^2*s124*s34*z34) - 
   (6*s13*s14*z4)/(s12*s134*s34*z34) - (s13*s14*z4)/(s123*s134*s34*z34) + 
   (s13*s14*z4)/(2*s124*s134*s34*z34) - (2*s13^2*s14*z4)/
    (s12*s123*s134*s34*z34) + (s13^2*s14*z4)/(s12*s124*s134*s34*z34) - 
   (s13*s14^2*z4)/(4*s12^2*s123*s34*z34) - 
   (s13*s14^2*z4)/(4*s12^2*s124*s34*z34) - 
   (s13*s14^2*z4)/(s12*s123*s134*s34*z34) + 
   (s13*s14^2*z4)/(2*s12*s124*s134*s34*z34) - (3*s23*z4)/(s12*s34*z34) - 
   (12*s13*s23*z4)/(s12^2*s34*z34) - (3*s13*s23*z4)/(2*s12*s123*s34*z34) - 
   (3*s13*s23*z4)/(2*s12*s124*s34*z34) - (7*s13^2*s23*z4)/
    (4*s12^2*s123*s34*z34) - (7*s13^2*s23*z4)/(4*s12^2*s124*s34*z34) - 
   (2*s23*z4)/(s134*s34*z34) - (8*s13*s23*z4)/(s12*s134*s34*z34) - 
   (s13*s23*z4)/(s123*s134*s34*z34) + (s13*s23*z4)/(2*s124*s134*s34*z34) - 
   (2*s13^2*s23*z4)/(s12*s123*s134*s34*z34) + 
   (s13^2*s23*z4)/(s12*s124*s134*s34*z34) - (6*s14*s23*z4)/(s12^2*s34*z34) - 
   (3*s14*s23*z4)/(4*s12*s123*s34*z34) - (3*s14*s23*z4)/
    (4*s12*s124*s34*z34) - (5*s13*s14*s23*z4)/(2*s12^2*s123*s34*z34) - 
   (5*s13*s14*s23*z4)/(2*s12^2*s124*s34*z34) - 
   (7*s14*s23*z4)/(2*s12*s134*s34*z34) - (s14*s23*z4)/(s123*s134*s34*z34) + 
   (s14*s23*z4)/(2*s124*s134*s34*z34) - (3*s13*s14*s23*z4)/
    (s12*s123*s134*s34*z34) + (3*s13*s14*s23*z4)/(2*s12*s124*s134*s34*z34) - 
   (3*s14^2*s23*z4)/(4*s12^2*s123*s34*z34) - (3*s14^2*s23*z4)/
    (4*s12^2*s124*s34*z34) - (s14^2*s23*z4)/(s12*s123*s134*s34*z34) + 
   (s14^2*s23*z4)/(2*s12*s124*s134*s34*z34) - (5*s23^2*z4)/(s12^2*s34*z34) - 
   (s23^2*z4)/(4*s12*s123*s34*z34) - (s23^2*z4)/(4*s12*s124*s34*z34) - 
   (7*s13*s23^2*z4)/(4*s12^2*s123*s34*z34) - (7*s13*s23^2*z4)/
    (4*s12^2*s124*s34*z34) - (2*s23^2*z4)/(s12*s134*s34*z34) - 
   (s13*s23^2*z4)/(s12*s123*s134*s34*z34) + 
   (s13*s23^2*z4)/(2*s12*s124*s134*s34*z34) - 
   (s14*s23^2*z4)/(s12^2*s123*s34*z34) - (s14*s23^2*z4)/
    (s12^2*s124*s34*z34) - (s14*s23^2*z4)/(s12*s123*s134*s34*z34) + 
   (s14*s23^2*z4)/(2*s12*s124*s134*s34*z34) - 
   (s23^3*z4)/(4*s12^2*s123*s34*z34) - (s23^3*z4)/(4*s12^2*s124*s34*z34) - 
   (2*s13*z4)/(s234*s34*z34) - (2*s13^2*z4)/(s12*s234*s34*z34) - 
   (2*s12*s13*z4)/(s134*s234*s34*z34) - (2*s13^2*z4)/(s134*s234*s34*z34) - 
   (2*s13*s14*z4)/(s12*s234*s34*z34) - (2*s13*s14*z4)/(s134*s234*s34*z34) - 
   (3*s23*z4)/(s234*s34*z34) - (8*s13*s23*z4)/(s12*s234*s34*z34) + 
   (s13*s23*z4)/(2*s123*s234*s34*z34) - (s13*s23*z4)/(s124*s234*s34*z34) + 
   (s13^2*s23*z4)/(2*s12*s123*s234*s34*z34) - 
   (s13^2*s23*z4)/(s12*s124*s234*s34*z34) - 
   (2*s12*s23*z4)/(s134*s234*s34*z34) - (8*s13*s23*z4)/(s134*s234*s34*z34) - 
   (9*s14*s23*z4)/(2*s12*s234*s34*z34) + (s13*s14*s23*z4)/
    (2*s12*s123*s234*s34*z34) - (s13*s14*s23*z4)/(s12*s124*s234*s34*z34) - 
   (4*s14*s23*z4)/(s134*s234*s34*z34) - (6*s23^2*z4)/(s12*s234*s34*z34) + 
   (s23^2*z4)/(2*s123*s234*s34*z34) - (s23^2*z4)/(s124*s234*s34*z34) + 
   (s13*s23^2*z4)/(s12*s123*s234*s34*z34) - (2*s13*s23^2*z4)/
    (s12*s124*s234*s34*z34) - (2*s23^2*z4)/(s134*s234*s34*z34) + 
   (s14*s23^2*z4)/(2*s12*s123*s234*s34*z34) - 
   (s14*s23^2*z4)/(s12*s124*s234*s34*z34) + 
   (s23^3*z4)/(2*s12*s123*s234*s34*z34) - 
   (s23^3*z4)/(s12*s124*s234*s34*z34) - (6*s13*s24*z4)/(s12^2*s34*z34) - 
   (3*s13*s24*z4)/(4*s12*s123*s34*z34) - (3*s13*s24*z4)/
    (4*s12*s124*s34*z34) - (s13^2*s24*z4)/(s12^2*s123*s34*z34) - 
   (s13^2*s24*z4)/(s12^2*s124*s34*z34) - (9*s13*s24*z4)/
    (2*s12*s134*s34*z34) - (s13^2*s24*z4)/(s12*s123*s134*s34*z34) + 
   (s13^2*s24*z4)/(2*s12*s124*s134*s34*z34) - 
   (s13*s14*s24*z4)/(s12^2*s123*s34*z34) - (s13*s14*s24*z4)/
    (s12^2*s124*s34*z34) - (s13*s14*s24*z4)/(s12*s123*s134*s34*z34) + 
   (s13*s14*s24*z4)/(2*s12*s124*s134*s34*z34) - 
   (5*s23*s24*z4)/(s12^2*s34*z34) - (s23*s24*z4)/(4*s12*s123*s34*z34) - 
   (s23*s24*z4)/(4*s12*s124*s34*z34) - (5*s13*s23*s24*z4)/
    (2*s12^2*s123*s34*z34) - (5*s13*s23*s24*z4)/(2*s12^2*s124*s34*z34) - 
   (2*s23*s24*z4)/(s12*s134*s34*z34) - (s13*s23*s24*z4)/
    (s12*s123*s134*s34*z34) + (s13*s23*s24*z4)/(2*s12*s124*s134*s34*z34) - 
   (s14*s23*s24*z4)/(s12^2*s123*s34*z34) - (s14*s23*s24*z4)/
    (s12^2*s124*s34*z34) - (s14*s23*s24*z4)/(s12*s123*s134*s34*z34) + 
   (s14*s23*s24*z4)/(2*s12*s124*s134*s34*z34) - 
   (s23^2*s24*z4)/(2*s12^2*s123*s34*z34) - 
   (s23^2*s24*z4)/(2*s12^2*s124*s34*z34) - 
   (7*s13*s24*z4)/(2*s12*s234*s34*z34) + (s13*s24*z4)/(2*s123*s234*s34*z34) - 
   (s13*s24*z4)/(s124*s234*s34*z34) + (s13^2*s24*z4)/
    (2*s12*s123*s234*s34*z34) - (s13^2*s24*z4)/(s12*s124*s234*s34*z34) - 
   (4*s13*s24*z4)/(s134*s234*s34*z34) + (s13*s14*s24*z4)/
    (2*s12*s123*s234*s34*z34) - (s13*s14*s24*z4)/(s12*s124*s234*s34*z34) - 
   (6*s23*s24*z4)/(s12*s234*s34*z34) + (s23*s24*z4)/(2*s123*s234*s34*z34) - 
   (s23*s24*z4)/(s124*s234*s34*z34) + (3*s13*s23*s24*z4)/
    (2*s12*s123*s234*s34*z34) - (3*s13*s23*s24*z4)/(s12*s124*s234*s34*z34) - 
   (2*s23*s24*z4)/(s134*s234*s34*z34) + (s14*s23*s24*z4)/
    (2*s12*s123*s234*s34*z34) - (s14*s23*s24*z4)/(s12*s124*s234*s34*z34) + 
   (s23^2*s24*z4)/(s12*s123*s234*s34*z34) - (2*s23^2*s24*z4)/
    (s12*s124*s234*s34*z34) - (3*s13*s24^2*z4)/(4*s12^2*s123*s34*z34) - 
   (3*s13*s24^2*z4)/(4*s12^2*s124*s34*z34) - 
   (s23*s24^2*z4)/(4*s12^2*s123*s34*z34) - 
   (s23*s24^2*z4)/(4*s12^2*s124*s34*z34) + 
   (s13*s24^2*z4)/(2*s12*s123*s234*s34*z34) - 
   (s13*s24^2*z4)/(s12*s124*s234*s34*z34) + 
   (s23*s24^2*z4)/(2*s12*s123*s234*s34*z34) - 
   (s23*s24^2*z4)/(s12*s124*s234*s34*z34) - (s13*s34*z4)/(2*s12^2*s123*z34) - 
   (s13*s34*z4)/(2*s12^2*s124*z34) - (s13*s34*z4)/(s12*s123*s134*z34) + 
   (s13*s34*z4)/(2*s12*s124*s134*z34) - (s23*s34*z4)/(2*s12^2*s123*z34) - 
   (s23*s34*z4)/(2*s12^2*s124*z34) - (s23*s34*z4)/(s12*s123*s134*z34) + 
   (s23*s34*z4)/(2*s12*s124*s134*z34) + (s13*s34*z4)/(2*s12*s123*s234*z34) - 
   (s13*s34*z4)/(s12*s124*s234*z34) + (s23*s34*z4)/(2*s12*s123*s234*z34) - 
   (s23*s34*z4)/(s12*s124*s234*z34) - (z1*z4)/(s12*z12*z34) + 
   (3*s13*z1*z4)/(s12^2*z12*z34) + (s13*z1*z4)/(2*s12*s123*z12*z34) + 
   (s13*z1*z4)/(2*s12*s124*z12*z34) + (3*s13^2*z1*z4)/
    (4*s12^2*s123*z12*z34) + (3*s13^2*z1*z4)/(4*s12^2*s124*z12*z34) - 
   (z1*z4)/(2*s134*z12*z34) + (3*s13*z1*z4)/(4*s12*s134*z12*z34) + 
   (3*s13*s14*z1*z4)/(4*s12^2*s123*z12*z34) + 
   (3*s13*s14*z1*z4)/(4*s12^2*s124*z12*z34) - 
   (3*s14*z1*z4)/(4*s12*s134*z12*z34) + (s23*z1*z4)/(s12^2*z12*z34) - 
   (s23*z1*z4)/(2*s12*s123*z12*z34) - (s23*z1*z4)/(2*s12*s124*z12*z34) - 
   (s23*z1*z4)/(4*s12*s134*z12*z34) - (3*s14*s23*z1*z4)/
    (4*s12^2*s123*z12*z34) - (3*s14*s23*z1*z4)/(4*s12^2*s124*z12*z34) - 
   (3*s23^2*z1*z4)/(4*s12^2*s123*z12*z34) - (3*s23^2*z1*z4)/
    (4*s12^2*s124*z12*z34) + (z1*z4)/(2*s234*z12*z34) + 
   (5*s13*z1*z4)/(4*s12*s234*z12*z34) + (3*s14*z1*z4)/(4*s12*s234*z12*z34) + 
   (9*s23*z1*z4)/(4*s12*s234*z12*z34) + (3*s13*s24*z1*z4)/
    (4*s12^2*s123*z12*z34) + (3*s13*s24*z1*z4)/(4*s12^2*s124*z12*z34) - 
   (3*s24*z1*z4)/(4*s12*s134*z12*z34) - (3*s23*s24*z1*z4)/
    (4*s12^2*s123*z12*z34) - (3*s23*s24*z1*z4)/(4*s12^2*s124*z12*z34) + 
   (3*s24*z1*z4)/(4*s12*s234*z12*z34) + (2*s13^2*z1*z4)/(s12*s34^2*z12*z34) + 
   (2*s13^3*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s13^2*z1*z4)/(s134*s34^2*z12*z34) + (s13^3*z1*z4)/
    (s12*s134*s34^2*z12*z34) + (2*s13*s14*z1*z4)/(s12*s34^2*z12*z34) + 
   (4*s13^2*s14*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s14*z1*z4)/(s134*s34^2*z12*z34) + (2*s13^2*s14*z1*z4)/
    (s12*s134*s34^2*z12*z34) + (2*s13*s14^2*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s14^2*z1*z4)/(s12*s134*s34^2*z12*z34) + 
   (2*s13*s23*z1*z4)/(s12*s34^2*z12*z34) + (4*s13^2*s23*z1*z4)/
    (s12^2*s34^2*z12*z34) + (s13*s23*z1*z4)/(s134*s34^2*z12*z34) + 
   (2*s13^2*s23*z1*z4)/(s12*s134*s34^2*z12*z34) + 
   (s14*s23*z1*z4)/(s12*s34^2*z12*z34) + (5*s13*s14*s23*z1*z4)/
    (s12^2*s34^2*z12*z34) + (s14*s23*z1*z4)/(2*s134*s34^2*z12*z34) + 
   (5*s13*s14*s23*z1*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*s23*z1*z4)/(s12^2*s34^2*z12*z34) + (s14^2*s23*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (2*s13*s23^2*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s23^2*z1*z4)/(s12*s134*s34^2*z12*z34) + 
   (s14*s23^2*z1*z4)/(s12^2*s34^2*z12*z34) + (s14*s23^2*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s13*s23*z1*z4)/(s234*s34^2*z12*z34) + 
   (s13^2*s23*z1*z4)/(s12*s234*s34^2*z12*z34) + 
   (s14*s23*z1*z4)/(2*s234*s34^2*z12*z34) + (3*s13*s14*s23*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s23*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s23^2*z1*z4)/(s234*s34^2*z12*z34) + 
   (2*s13*s23^2*z1*z4)/(s12*s234*s34^2*z12*z34) + 
   (3*s14*s23^2*z1*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s23^3*z1*z4)/(s12*s234*s34^2*z12*z34) + (s13*s24*z1*z4)/
    (s12*s34^2*z12*z34) + (3*s13^2*s24*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s24*z1*z4)/(2*s134*s34^2*z12*z34) + (3*s13^2*s24*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (3*s13*s14*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) + (3*s13*s14*s24*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (3*s13*s23*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) + (3*s13*s23*s24*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s23*s24*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s14*s23*s24*z1*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s13*s24*z1*z4)/(2*s234*s34^2*z12*z34) + (s13^2*s24*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s14*s24*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s23*s24*z1*z4)/(s234*s34^2*z12*z34) + 
   (5*s13*s23*s24*z1*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (3*s14*s23*s24*z1*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (2*s23^2*s24*z1*z4)/(s12*s234*s34^2*z12*z34) + 
   (s13*s24^2*z1*z4)/(s12^2*s34^2*z12*z34) + (s13*s24^2*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s13*s24^2*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s23*s24^2*z1*z4)/(s12*s234*s34^2*z12*z34) - 
   (z1*z4)/(s34*z12*z34) + (2*s13*z1*z4)/(s12*s34*z12*z34) + 
   (5*s13^2*z1*z4)/(s12^2*s34*z12*z34) + (s13^2*z1*z4)/
    (4*s12*s123*s34*z12*z34) + (s13^2*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^3*z1*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^3*z1*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (5*s13*z1*z4)/(4*s134*s34*z12*z34) + (9*s13^2*z1*z4)/
    (4*s12*s134*s34*z12*z34) - (s14*z1*z4)/(s12*s34*z12*z34) + 
   (5*s13*s14*z1*z4)/(s12^2*s34*z12*z34) + (s13*s14*z1*z4)/
    (4*s12*s123*s34*z12*z34) + (s13*s14*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s14*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z1*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s14*z1*z4)/(4*s134*s34*z12*z34) + (2*s13*s14*z1*z4)/
    (s12*s134*s34*z12*z34) + (s13*s14^2*z1*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s13*s14^2*z1*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (s14^2*z1*z4)/(4*s12*s134*s34*z12*z34) + (6*s13*s23*z1*z4)/
    (s12^2*s34*z12*z34) + (s13^2*s23*z1*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s23*z1*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s23*z1*z4)/(4*s134*s34*z12*z34) + (5*s13*s23*z1*z4)/
    (2*s12*s134*s34*z12*z34) + (2*s14*s23*z1*z4)/(s12^2*s34*z12*z34) - 
   (s14*s23*z1*z4)/(4*s12*s123*s34*z12*z34) - 
   (s14*s23*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s14*s23*z1*z4)/(2*s12*s134*s34*z12*z34) - 
   (s14^2*s23*z1*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^2*s23*z1*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s23^2*z1*z4)/(s12^2*s34*z12*z34) - (s23^2*z1*z4)/
    (4*s12*s123*s34*z12*z34) - (s23^2*z1*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13*s23^2*z1*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s13*s23^2*z1*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s23^2*z1*z4)/(4*s12*s134*s34*z12*z34) - (s14*s23^2*z1*z4)/
    (2*s12^2*s123*s34*z12*z34) - (s14*s23^2*z1*z4)/
    (2*s12^2*s124*s34*z12*z34) - (s23^3*z1*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s23^3*z1*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (3*s13*z1*z4)/(4*s234*s34*z12*z34) + (3*s13^2*z1*z4)/
    (4*s12*s234*s34*z12*z34) + (s14*z1*z4)/(4*s234*s34*z12*z34) + 
   (s13*s14*z1*z4)/(s12*s234*s34*z12*z34) + 
   (s14^2*z1*z4)/(4*s12*s234*s34*z12*z34) + 
   (7*s23*z1*z4)/(4*s234*s34*z12*z34) + (7*s13*s23*z1*z4)/
    (2*s12*s234*s34*z12*z34) + (5*s14*s23*z1*z4)/(2*s12*s234*s34*z12*z34) + 
   (11*s23^2*z1*z4)/(4*s12*s234*s34*z12*z34) - 
   (s24*z1*z4)/(s12*s34*z12*z34) + (4*s13*s24*z1*z4)/(s12^2*s34*z12*z34) + 
   (s13*s24*z1*z4)/(4*s12*s123*s34*z12*z34) + 
   (s13*s24*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s24*z1*z4)/(4*s134*s34*z12*z34) + (3*s13*s24*z1*z4)/
    (2*s12*s134*s34*z12*z34) + (s13*s14*s24*z1*z4)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s14*s24*z1*z4)/
    (2*s12^2*s124*s34*z12*z34) - (s14*s24*z1*z4)/(2*s12*s134*s34*z12*z34) + 
   (s23*s24*z1*z4)/(s12^2*s34*z12*z34) - (s23*s24*z1*z4)/
    (4*s12*s123*s34*z12*z34) - (s23*s24*z1*z4)/(4*s12*s124*s34*z12*z34) - 
   (s14*s23*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s14*s23*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s23^2*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s23^2*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s24*z1*z4)/(4*s234*s34*z12*z34) + (3*s13*s24*z1*z4)/
    (2*s12*s234*s34*z12*z34) + (s14*s24*z1*z4)/(2*s12*s234*s34*z12*z34) + 
   (3*s23*s24*z1*z4)/(s12*s234*s34*z12*z34) + 
   (s13*s24^2*z1*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s13*s24^2*z1*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (s24^2*z1*z4)/(4*s12*s134*s34*z12*z34) - (s23*s24^2*z1*z4)/
    (4*s12^2*s123*s34*z12*z34) - (s23*s24^2*z1*z4)/
    (4*s12^2*s124*s34*z12*z34) + (s24^2*z1*z4)/(4*s12*s234*s34*z12*z34) + 
   (s13*s34*z1*z4)/(2*s12^2*s123*z12*z34) + (s13*s34*z1*z4)/
    (2*s12^2*s124*z12*z34) - (s34*z1*z4)/(2*s12*s134*z12*z34) - 
   (s23*s34*z1*z4)/(2*s12^2*s123*z12*z34) - (s23*s34*z1*z4)/
    (2*s12^2*s124*z12*z34) + (s34*z1*z4)/(2*s12*s234*z12*z34) - 
   (4*s13*z1*z2*z4)/(s12^2*z12^2*z34) - (4*s23*z1*z2*z4)/(s12^2*z12^2*z34) - 
   (2*s13^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) - (2*s13^3*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (2*s13*s14*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (4*s13^2*s14*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s13*s14^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (4*s13*s23*z1*z2*z4)/(s12*s34^2*z12^2*z34) - (6*s13^2*s23*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (2*s14*s23*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (8*s13*s14*s23*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s14^2*s23*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s23^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) - (6*s13*s23^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (4*s14*s23^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (2*s23^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s13*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) - (4*s13^2*s24*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (4*s13*s14*s24*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (2*s23*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (8*s13*s23*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (4*s14*s23*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (4*s23^2*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s13*s24^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s23*s24^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (4*s13*z1*z2*z4)/(s12*s34*z12^2*z34) - (6*s13^2*z1*z2*z4)/
    (s12^2*s34*z12^2*z34) - (6*s13*s14*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (4*s23*z1*z2*z4)/(s12*s34*z12^2*z34) - (12*s13*s23*z1*z2*z4)/
    (s12^2*s34*z12^2*z34) - (6*s14*s23*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (6*s23^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) - (6*s13*s24*z1*z2*z4)/
    (s12^2*s34*z12^2*z34) - (6*s23*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (z2*z4)/(s12*z12*z34) + (s13*z2*z4)/(s12^2*z12*z34) - 
   (s13*z2*z4)/(2*s12*s123*z12*z34) - (s13*z2*z4)/(2*s12*s124*z12*z34) - 
   (3*s13^2*z2*z4)/(4*s12^2*s123*z12*z34) - (3*s13^2*z2*z4)/
    (4*s12^2*s124*z12*z34) + (z2*z4)/(2*s134*z12*z34) + 
   (9*s13*z2*z4)/(4*s12*s134*z12*z34) - (3*s13*s14*z2*z4)/
    (4*s12^2*s123*z12*z34) - (3*s13*s14*z2*z4)/(4*s12^2*s124*z12*z34) + 
   (3*s14*z2*z4)/(4*s12*s134*z12*z34) + (3*s23*z2*z4)/(s12^2*z12*z34) + 
   (s23*z2*z4)/(2*s12*s123*z12*z34) + (s23*z2*z4)/(2*s12*s124*z12*z34) + 
   (5*s23*z2*z4)/(4*s12*s134*z12*z34) + (3*s14*s23*z2*z4)/
    (4*s12^2*s123*z12*z34) + (3*s14*s23*z2*z4)/(4*s12^2*s124*z12*z34) + 
   (3*s23^2*z2*z4)/(4*s12^2*s123*z12*z34) + (3*s23^2*z2*z4)/
    (4*s12^2*s124*z12*z34) - (z2*z4)/(2*s234*z12*z34) - 
   (s13*z2*z4)/(4*s12*s234*z12*z34) - (3*s14*z2*z4)/(4*s12*s234*z12*z34) + 
   (3*s23*z2*z4)/(4*s12*s234*z12*z34) - (3*s13*s24*z2*z4)/
    (4*s12^2*s123*z12*z34) - (3*s13*s24*z2*z4)/(4*s12^2*s124*z12*z34) + 
   (3*s24*z2*z4)/(4*s12*s134*z12*z34) + (3*s23*s24*z2*z4)/
    (4*s12^2*s123*z12*z34) + (3*s23*s24*z2*z4)/(4*s12^2*s124*z12*z34) - 
   (3*s24*z2*z4)/(4*s12*s234*z12*z34) + (s13^2*z2*z4)/(s134*s34^2*z12*z34) + 
   (s13^3*z2*z4)/(s12*s134*s34^2*z12*z34) + (s13*s14*z2*z4)/
    (s134*s34^2*z12*z34) + (2*s13^2*s14*z2*z4)/(s12*s134*s34^2*z12*z34) + 
   (s13*s14^2*z2*z4)/(s12*s134*s34^2*z12*z34) + 
   (2*s13*s23*z2*z4)/(s12*s34^2*z12*z34) + (2*s13^2*s23*z2*z4)/
    (s12^2*s34^2*z12*z34) + (s13*s23*z2*z4)/(s134*s34^2*z12*z34) + 
   (2*s13^2*s23*z2*z4)/(s12*s134*s34^2*z12*z34) + 
   (s14*s23*z2*z4)/(s12*s34^2*z12*z34) + (3*s13*s14*s23*z2*z4)/
    (s12^2*s34^2*z12*z34) + (s14*s23*z2*z4)/(2*s134*s34^2*z12*z34) + 
   (5*s13*s14*s23*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*s23*z2*z4)/(s12^2*s34^2*z12*z34) + (s14^2*s23*z2*z4)/
    (2*s12*s134*s34^2*z12*z34) + (2*s23^2*z2*z4)/(s12*s34^2*z12*z34) + 
   (4*s13*s23^2*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s23^2*z2*z4)/(s12*s134*s34^2*z12*z34) + 
   (3*s14*s23^2*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s14*s23^2*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (2*s23^3*z2*z4)/(s12^2*s34^2*z12*z34) + (s13*s23*z2*z4)/
    (s234*s34^2*z12*z34) + (s13^2*s23*z2*z4)/(s12*s234*s34^2*z12*z34) + 
   (s14*s23*z2*z4)/(2*s234*s34^2*z12*z34) + (3*s13*s14*s23*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s23*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s23^2*z2*z4)/(s234*s34^2*z12*z34) + 
   (2*s13*s23^2*z2*z4)/(s12*s234*s34^2*z12*z34) + 
   (3*s14*s23^2*z2*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s23^3*z2*z4)/(s12*s234*s34^2*z12*z34) + (s13*s24*z2*z4)/
    (s12*s34^2*z12*z34) + (s13^2*s24*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s24*z2*z4)/(2*s134*s34^2*z12*z34) + (3*s13^2*s24*z2*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s13*s14*s24*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (3*s13*s14*s24*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (2*s23*s24*z2*z4)/(s12*s34^2*z12*z34) + (5*s13*s23*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) + (3*s13*s23*s24*z2*z4)/
    (2*s12*s134*s34^2*z12*z34) + (3*s14*s23*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) + (s14*s23*s24*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (4*s23^2*s24*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s24*z2*z4)/(2*s234*s34^2*z12*z34) + (s13^2*s24*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s14*s24*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s23*s24*z2*z4)/(s234*s34^2*z12*z34) + 
   (5*s13*s23*s24*z2*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (3*s14*s23*s24*z2*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (2*s23^2*s24*z2*z4)/(s12*s234*s34^2*z12*z34) + 
   (s13*s24^2*z2*z4)/(s12^2*s34^2*z12*z34) + (s13*s24^2*z2*z4)/
    (2*s12*s134*s34^2*z12*z34) + (2*s23*s24^2*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s24^2*z2*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s23*s24^2*z2*z4)/(s12*s234*s34^2*z12*z34) - (z2*z4)/(s34*z12*z34) + 
   (s13^2*z2*z4)/(s12^2*s34*z12*z34) - (s13^2*z2*z4)/
    (4*s12*s123*s34*z12*z34) - (s13^2*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13^3*z2*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^3*z2*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (7*s13*z2*z4)/(4*s134*s34*z12*z34) + (11*s13^2*z2*z4)/
    (4*s12*s134*s34*z12*z34) - (s14*z2*z4)/(s12*s34*z12*z34) + 
   (s13*s14*z2*z4)/(s12^2*s34*z12*z34) - (s13*s14*z2*z4)/
    (4*s12*s123*s34*z12*z34) - (s13*s14*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s14*z2*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s14*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*z2*z4)/(4*s134*s34*z12*z34) + (3*s13*s14*z2*z4)/
    (s12*s134*s34*z12*z34) - (s13*s14^2*z2*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s13*s14^2*z2*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s14^2*z2*z4)/(4*s12*s134*s34*z12*z34) + (2*s23*z2*z4)/(s12*s34*z12*z34) + 
   (6*s13*s23*z2*z4)/(s12^2*s34*z12*z34) - (s13^2*s23*z2*z4)/
    (4*s12^2*s123*s34*z12*z34) - (s13^2*s23*z2*z4)/
    (4*s12^2*s124*s34*z12*z34) + (3*s23*z2*z4)/(4*s134*s34*z12*z34) + 
   (7*s13*s23*z2*z4)/(2*s12*s134*s34*z12*z34) + 
   (4*s14*s23*z2*z4)/(s12^2*s34*z12*z34) + (s14*s23*z2*z4)/
    (4*s12*s123*s34*z12*z34) + (s14*s23*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (3*s14*s23*z2*z4)/(2*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z2*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z2*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (5*s23^2*z2*z4)/(s12^2*s34*z12*z34) + (s23^2*z2*z4)/
    (4*s12*s123*s34*z12*z34) + (s23^2*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13*s23^2*z2*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s13*s23^2*z2*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (3*s23^2*z2*z4)/(4*s12*s134*s34*z12*z34) + 
   (s14*s23^2*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23^2*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^3*z2*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s23^3*z2*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s13*z2*z4)/(4*s234*s34*z12*z34) + (s13^2*z2*z4)/
    (4*s12*s234*s34*z12*z34) - (s14*z2*z4)/(4*s234*s34*z12*z34) - 
   (s14^2*z2*z4)/(4*s12*s234*s34*z12*z34) + 
   (5*s23*z2*z4)/(4*s234*s34*z12*z34) + (5*s13*s23*z2*z4)/
    (2*s12*s234*s34*z12*z34) + (3*s14*s23*z2*z4)/(2*s12*s234*s34*z12*z34) + 
   (9*s23^2*z2*z4)/(4*s12*s234*s34*z12*z34) - (s24*z2*z4)/(s12*s34*z12*z34) + 
   (2*s13*s24*z2*z4)/(s12^2*s34*z12*z34) - (s13*s24*z2*z4)/
    (4*s12*s123*s34*z12*z34) - (s13*s24*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s24*z2*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s24*z2*z4)/(4*s134*s34*z12*z34) + (5*s13*s24*z2*z4)/
    (2*s12*s134*s34*z12*z34) - (s13*s14*s24*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s14*s24*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s24*z2*z4)/(2*s12*s134*s34*z12*z34) + 
   (5*s23*s24*z2*z4)/(s12^2*s34*z12*z34) + (s23*s24*z2*z4)/
    (4*s12*s123*s34*z12*z34) + (s23*s24*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (s23*s24*z2*z4)/(s12*s134*s34*z12*z34) + (s14*s23*s24*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) + (s14*s23*s24*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) + (s23^2*s24*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) + (s23^2*s24*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) - (s24*z2*z4)/(4*s234*s34*z12*z34) + 
   (s13*s24*z2*z4)/(2*s12*s234*s34*z12*z34) - 
   (s14*s24*z2*z4)/(2*s12*s234*s34*z12*z34) + 
   (2*s23*s24*z2*z4)/(s12*s234*s34*z12*z34) - 
   (s13*s24^2*z2*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s13*s24^2*z2*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s24^2*z2*z4)/(4*s12*s134*s34*z12*z34) + (s23*s24^2*z2*z4)/
    (4*s12^2*s123*s34*z12*z34) + (s23*s24^2*z2*z4)/
    (4*s12^2*s124*s34*z12*z34) - (s24^2*z2*z4)/(4*s12*s234*s34*z12*z34) - 
   (s13*s34*z2*z4)/(2*s12^2*s123*z12*z34) - (s13*s34*z2*z4)/
    (2*s12^2*s124*z12*z34) + (s34*z2*z4)/(2*s12*s134*z12*z34) + 
   (s23*s34*z2*z4)/(2*s12^2*s123*z12*z34) + (s23*s34*z2*z4)/
    (2*s12^2*s124*z12*z34) - (s34*z2*z4)/(2*s12*s234*z12*z34) + 
   (4*z3*z4)/(s12*z12*z34) + (2*z3*z4)/(s123*z12*z34) + 
   (2*z3*z4)/(s124*z12*z34) + (3*s13*z3*z4)/(s12*s123*z12*z34) + 
   (3*s13*z3*z4)/(s12*s124*z12*z34) - (s13*z3*z4)/(2*s12*s134*z12*z34) + 
   (3*s14*z3*z4)/(s12*s123*z12*z34) + (3*s14*z3*z4)/(s12*s124*z12*z34) - 
   (s14*z3*z4)/(2*s12*s134*z12*z34) + (3*s23*z3*z4)/(s12*s123*z12*z34) + 
   (3*s23*z3*z4)/(s12*s124*z12*z34) + (s23*z3*z4)/(2*s12*s134*z12*z34) + 
   (s13*z3*z4)/(2*s12*s234*z12*z34) + (s14*z3*z4)/(2*s12*s234*z12*z34) - 
   (s23*z3*z4)/(2*s12*s234*z12*z34) + (3*s24*z3*z4)/(s12*s123*z12*z34) + 
   (3*s24*z3*z4)/(s12*s124*z12*z34) + (s24*z3*z4)/(2*s12*s134*z12*z34) - 
   (s24*z3*z4)/(2*s12*s234*z12*z34) + (3*s13*z3*z4)/(s34^2*z12*z34) + 
   (3*s13^2*z3*z4)/(s12*s34^2*z12*z34) - (s13^2*z3*z4)/
    (4*s134*s34^2*z12*z34) - (s13^3*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (3*s14*z3*z4)/(s34^2*z12*z34) + (6*s13*s14*z3*z4)/(s12*s34^2*z12*z34) - 
   (s13*s14*z3*z4)/(2*s134*s34^2*z12*z34) - (3*s13^2*s14*z3*z4)/
    (4*s12*s134*s34^2*z12*z34) + (3*s14^2*z3*z4)/(s12*s34^2*z12*z34) - 
   (s14^2*z3*z4)/(4*s134*s34^2*z12*z34) - (3*s13*s14^2*z3*z4)/
    (4*s12*s134*s34^2*z12*z34) - (s14^3*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (3*s23*z3*z4)/(s34^2*z12*z34) + (6*s13*s23*z3*z4)/(s12*s34^2*z12*z34) - 
   (s13^2*s23*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (6*s14*s23*z3*z4)/(s12*s34^2*z12*z34) - (s13*s14*s23*z3*z4)/
    (2*s12*s134*s34^2*z12*z34) - (s14^2*s23*z3*z4)/
    (4*s12*s134*s34^2*z12*z34) + (3*s23^2*z3*z4)/(s12*s34^2*z12*z34) + 
   (s23^2*z3*z4)/(4*s134*s34^2*z12*z34) + (s13*s23^2*z3*z4)/
    (4*s12*s134*s34^2*z12*z34) + (s14*s23^2*z3*z4)/
    (4*s12*s134*s34^2*z12*z34) + (s23^3*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s13^2*z3*z4)/(4*s234*s34^2*z12*z34) + 
   (s13^3*z3*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s13*s14*z3*z4)/(2*s234*s34^2*z12*z34) + (3*s13^2*s14*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) + (s14^2*z3*z4)/(4*s234*s34^2*z12*z34) + 
   (3*s13*s14^2*z3*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s14^3*z3*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s13^2*s23*z3*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s13*s14*s23*z3*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s14^2*s23*z3*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (s23^2*z3*z4)/(4*s234*s34^2*z12*z34) - (s13*s23^2*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s14*s23^2*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s23^3*z3*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (3*s24*z3*z4)/(s34^2*z12*z34) + (6*s13*s24*z3*z4)/(s12*s34^2*z12*z34) - 
   (s13^2*s24*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (6*s14*s24*z3*z4)/(s12*s34^2*z12*z34) - (s13*s14*s24*z3*z4)/
    (2*s12*s134*s34^2*z12*z34) - (s14^2*s24*z3*z4)/
    (4*s12*s134*s34^2*z12*z34) + (6*s23*s24*z3*z4)/(s12*s34^2*z12*z34) + 
   (s23*s24*z3*z4)/(2*s134*s34^2*z12*z34) + (s13*s23*s24*z3*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s23*s24*z3*z4)/
    (2*s12*s134*s34^2*z12*z34) + (3*s23^2*s24*z3*z4)/
    (4*s12*s134*s34^2*z12*z34) + (s13^2*s24*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) + (s13*s14*s24*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s24*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s23*s24*z3*z4)/(2*s234*s34^2*z12*z34) - 
   (s13*s23*s24*z3*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s14*s23*s24*z3*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (3*s23^2*s24*z3*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (3*s24^2*z3*z4)/(s12*s34^2*z12*z34) + (s24^2*z3*z4)/
    (4*s134*s34^2*z12*z34) + (s13*s24^2*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s14*s24^2*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (3*s23*s24^2*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s24^2*z3*z4)/(4*s234*s34^2*z12*z34) - (s13*s24^2*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s14*s24^2*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (3*s23*s24^2*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) + (s24^3*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s24^3*z3*z4)/(4*s12*s234*s34^2*z12*z34) + (4*z3*z4)/(s34*z12*z34) + 
   (7*s13*z3*z4)/(s12*s34*z12*z34) + (s13*z3*z4)/(s123*s34*z12*z34) + 
   (s13*z3*z4)/(s124*s34*z12*z34) + (s13^2*z3*z4)/(s12*s123*s34*z12*z34) + 
   (s13^2*z3*z4)/(s12*s124*s34*z12*z34) - (s13*z3*z4)/(2*s134*s34*z12*z34) - 
   (3*s13^2*z3*z4)/(4*s12*s134*s34*z12*z34) + 
   (7*s14*z3*z4)/(s12*s34*z12*z34) + (s14*z3*z4)/(s123*s34*z12*z34) + 
   (s14*z3*z4)/(s124*s34*z12*z34) + (2*s13*s14*z3*z4)/
    (s12*s123*s34*z12*z34) + (2*s13*s14*z3*z4)/(s12*s124*s34*z12*z34) - 
   (s14*z3*z4)/(2*s134*s34*z12*z34) - (3*s13*s14*z3*z4)/
    (2*s12*s134*s34*z12*z34) + (s14^2*z3*z4)/(s12*s123*s34*z12*z34) + 
   (s14^2*z3*z4)/(s12*s124*s34*z12*z34) - (3*s14^2*z3*z4)/
    (4*s12*s134*s34*z12*z34) + (7*s23*z3*z4)/(s12*s34*z12*z34) + 
   (s23*z3*z4)/(s123*s34*z12*z34) + (s23*z3*z4)/(s124*s34*z12*z34) + 
   (2*s13*s23*z3*z4)/(s12*s123*s34*z12*z34) + 
   (2*s13*s23*z3*z4)/(s12*s124*s34*z12*z34) + 
   (s23*z3*z4)/(2*s134*s34*z12*z34) + (2*s14*s23*z3*z4)/
    (s12*s123*s34*z12*z34) + (2*s14*s23*z3*z4)/(s12*s124*s34*z12*z34) + 
   (s23^2*z3*z4)/(s12*s123*s34*z12*z34) + 
   (s23^2*z3*z4)/(s12*s124*s34*z12*z34) + (3*s23^2*z3*z4)/
    (4*s12*s134*s34*z12*z34) + (s13*z3*z4)/(2*s234*s34*z12*z34) + 
   (3*s13^2*z3*z4)/(4*s12*s234*s34*z12*z34) + 
   (s14*z3*z4)/(2*s234*s34*z12*z34) + (3*s13*s14*z3*z4)/
    (2*s12*s234*s34*z12*z34) + (3*s14^2*z3*z4)/(4*s12*s234*s34*z12*z34) - 
   (s23*z3*z4)/(2*s234*s34*z12*z34) - (3*s23^2*z3*z4)/
    (4*s12*s234*s34*z12*z34) + (7*s24*z3*z4)/(s12*s34*z12*z34) + 
   (s24*z3*z4)/(s123*s34*z12*z34) + (s24*z3*z4)/(s124*s34*z12*z34) + 
   (2*s13*s24*z3*z4)/(s12*s123*s34*z12*z34) + 
   (2*s13*s24*z3*z4)/(s12*s124*s34*z12*z34) + 
   (s24*z3*z4)/(2*s134*s34*z12*z34) + (2*s14*s24*z3*z4)/
    (s12*s123*s34*z12*z34) + (2*s14*s24*z3*z4)/(s12*s124*s34*z12*z34) + 
   (2*s23*s24*z3*z4)/(s12*s123*s34*z12*z34) + 
   (2*s23*s24*z3*z4)/(s12*s124*s34*z12*z34) + 
   (3*s23*s24*z3*z4)/(2*s12*s134*s34*z12*z34) - 
   (s24*z3*z4)/(2*s234*s34*z12*z34) - (3*s23*s24*z3*z4)/
    (2*s12*s234*s34*z12*z34) + (s24^2*z3*z4)/(s12*s123*s34*z12*z34) + 
   (s24^2*z3*z4)/(s12*s124*s34*z12*z34) + (3*s24^2*z3*z4)/
    (4*s12*s134*s34*z12*z34) - (3*s24^2*z3*z4)/(4*s12*s234*s34*z12*z34) + 
   (2*s34*z3*z4)/(s12*s123*z12*z34) + (2*s34*z3*z4)/(s12*s124*z12*z34) - 
   (4*z3*z4^2)/(s12*z12*z34^2) - (2*s13*z3*z4^2)/(s34^2*z12*z34^2) - 
   (2*s13^2*z3*z4^2)/(s12*s34^2*z12*z34^2) - 
   (2*s14*z3*z4^2)/(s34^2*z12*z34^2) - (4*s13*s14*z3*z4^2)/
    (s12*s34^2*z12*z34^2) - (2*s14^2*z3*z4^2)/(s12*s34^2*z12*z34^2) - 
   (2*s23*z3*z4^2)/(s34^2*z12*z34^2) - (4*s13*s23*z3*z4^2)/
    (s12*s34^2*z12*z34^2) - (4*s14*s23*z3*z4^2)/(s12*s34^2*z12*z34^2) - 
   (2*s23^2*z3*z4^2)/(s12*s34^2*z12*z34^2) - 
   (2*s24*z3*z4^2)/(s34^2*z12*z34^2) - (4*s13*s24*z3*z4^2)/
    (s12*s34^2*z12*z34^2) - (4*s14*s24*z3*z4^2)/(s12*s34^2*z12*z34^2) - 
   (4*s23*s24*z3*z4^2)/(s12*s34^2*z12*z34^2) - 
   (2*s24^2*z3*z4^2)/(s12*s34^2*z12*z34^2) - (4*z3*z4^2)/(s34*z12*z34^2) - 
   (6*s13*z3*z4^2)/(s12*s34*z12*z34^2) - (6*s14*z3*z4^2)/
    (s12*s34*z12*z34^2) - (6*s23*z3*z4^2)/(s12*s34*z12*z34^2) - 
   (6*s24*z3*z4^2)/(s12*s34*z12*z34^2) + (s13*z4^2)/(2*s12*s134*z12*z34) - 
   (s23*z4^2)/(2*s12*s134*z12*z34) - (s13*z4^2)/(2*s12*s234*z12*z34) + 
   (s23*z4^2)/(2*s12*s234*z12*z34) + (s13*z4^2)/(s34^2*z12*z34) + 
   (s13^2*z4^2)/(s12*s34^2*z12*z34) + (s13^2*z4^2)/(4*s134*s34^2*z12*z34) + 
   (s13^3*z4^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s13*s14*z4^2)/(s12*s34^2*z12*z34) + (s13*s14*z4^2)/
    (4*s134*s34^2*z12*z34) + (s13^2*s14*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s13*s14^2*z4^2)/(4*s12*s134*s34^2*z12*z34) + (s23*z4^2)/(s34^2*z12*z34) + 
   (2*s13*s23*z4^2)/(s12*s34^2*z12*z34) + (s13^2*s23*z4^2)/
    (4*s12*s134*s34^2*z12*z34) + (s14*s23*z4^2)/(s12*s34^2*z12*z34) - 
   (s14*s23*z4^2)/(4*s134*s34^2*z12*z34) - (s14^2*s23*z4^2)/
    (4*s12*s134*s34^2*z12*z34) + (s23^2*z4^2)/(s12*s34^2*z12*z34) - 
   (s23^2*z4^2)/(4*s134*s34^2*z12*z34) - (s13*s23^2*z4^2)/
    (4*s12*s134*s34^2*z12*z34) - (s14*s23^2*z4^2)/
    (2*s12*s134*s34^2*z12*z34) - (s23^3*z4^2)/(4*s12*s134*s34^2*z12*z34) - 
   (s13^2*z4^2)/(4*s234*s34^2*z12*z34) - 
   (s13^3*z4^2)/(4*s12*s234*s34^2*z12*z34) - 
   (s13*s14*z4^2)/(4*s234*s34^2*z12*z34) - (s13^2*s14*z4^2)/
    (2*s12*s234*s34^2*z12*z34) - (s13*s14^2*z4^2)/
    (4*s12*s234*s34^2*z12*z34) - (s13^2*s23*z4^2)/
    (4*s12*s234*s34^2*z12*z34) + (s14*s23*z4^2)/(4*s234*s34^2*z12*z34) + 
   (s14^2*s23*z4^2)/(4*s12*s234*s34^2*z12*z34) + 
   (s23^2*z4^2)/(4*s234*s34^2*z12*z34) + (s13*s23^2*z4^2)/
    (4*s12*s234*s34^2*z12*z34) + (s14*s23^2*z4^2)/
    (2*s12*s234*s34^2*z12*z34) + (s23^3*z4^2)/(4*s12*s234*s34^2*z12*z34) + 
   (s13*s24*z4^2)/(s12*s34^2*z12*z34) + (s13*s24*z4^2)/
    (4*s134*s34^2*z12*z34) + (s13^2*s24*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s13*s14*s24*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s23*s24*z4^2)/(s12*s34^2*z12*z34) - (s23*s24*z4^2)/
    (4*s134*s34^2*z12*z34) - (s14*s23*s24*z4^2)/(2*s12*s134*s34^2*z12*z34) - 
   (s23^2*s24*z4^2)/(2*s12*s134*s34^2*z12*z34) - 
   (s13*s24*z4^2)/(4*s234*s34^2*z12*z34) - (s13^2*s24*z4^2)/
    (2*s12*s234*s34^2*z12*z34) - (s13*s14*s24*z4^2)/
    (2*s12*s234*s34^2*z12*z34) + (s23*s24*z4^2)/(4*s234*s34^2*z12*z34) + 
   (s14*s23*s24*z4^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s23^2*s24*z4^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*s24^2*z4^2)/(4*s12*s134*s34^2*z12*z34) - 
   (s23*s24^2*z4^2)/(4*s12*s134*s34^2*z12*z34) - 
   (s13*s24^2*z4^2)/(4*s12*s234*s34^2*z12*z34) + 
   (s23*s24^2*z4^2)/(4*s12*s234*s34^2*z12*z34) + 
   (s13*z4^2)/(s12*s34*z12*z34) + (s13*z4^2)/(2*s134*s34*z12*z34) + 
   (3*s13^2*z4^2)/(4*s12*s134*s34*z12*z34) + (3*s13*s14*z4^2)/
    (4*s12*s134*s34*z12*z34) + (s23*z4^2)/(s12*s34*z12*z34) - 
   (s23*z4^2)/(2*s134*s34*z12*z34) - (3*s14*s23*z4^2)/
    (4*s12*s134*s34*z12*z34) - (3*s23^2*z4^2)/(4*s12*s134*s34*z12*z34) - 
   (s13*z4^2)/(2*s234*s34*z12*z34) - (3*s13^2*z4^2)/
    (4*s12*s234*s34*z12*z34) - (3*s13*s14*z4^2)/(4*s12*s234*s34*z12*z34) + 
   (s23*z4^2)/(2*s234*s34*z12*z34) + (3*s14*s23*z4^2)/
    (4*s12*s234*s34*z12*z34) + (3*s23^2*z4^2)/(4*s12*s234*s34*z12*z34) + 
   (3*s13*s24*z4^2)/(4*s12*s134*s34*z12*z34) - 
   (3*s23*s24*z4^2)/(4*s12*s134*s34*z12*z34) - 
   (3*s13*s24*z4^2)/(4*s12*s234*s34*z12*z34) + 
   (3*s23*s24*z4^2)/(4*s12*s234*s34*z12*z34)) + 
 k1k1*(-2/s12 + D/(2*s12) - 2/s123 + D/(2*s123) - 2/s124 + D/(2*s124) - 
   (2*s13)/(s12*s123) + (D*s13)/(2*s12*s123) - (2*s13)/(s12*s124) + 
   (D*s13)/(2*s12*s124) - (2*s14)/(s12*s123) + (D*s14)/(2*s12*s123) - 
   (2*s14)/(s12*s124) + (D*s14)/(2*s12*s124) + (2*s23)/s12^2 - 
   s23/(s12*s123) + (D*s23)/(2*s12*s123) - (2*s23)/(s12*s124) + 
   (D*s23)/(2*s12*s124) + (s13*s23)/(s12^2*s123) + (D*s23)/(2*s12*s134) + 
   (D*s23)/(s123*s134) + (2*s23)/(s124*s134) - (D*s23)/(2*s124*s134) + 
   (D*s13*s23)/(s12*s123*s134) + (2*s13*s23)/(s12*s124*s134) - 
   (D*s13*s23)/(2*s12*s124*s134) + (s14*s23)/(s12^2*s123) - 
   (s14*s23)/(s12^2*s124) + (D*s14*s23)/(s12*s123*s134) + 
   (4*s14*s23)/(s12*s124*s134) - (D*s14*s23)/(2*s12*s124*s134) + 
   s23^2/(s12^2*s123) + (D*s23^2)/(s12*s123*s134) + 
   (2*s23^2)/(s12*s124*s134) - (D*s23^2)/(2*s12*s124*s134) + 
   (3*s23)/(s12*s234) - (D*s23)/(2*s12*s234) - (2*s23)/(s123*s234) + 
   (D*s23)/(2*s123*s234) + (4*s23)/(s124*s234) - (D*s23)/(s124*s234) - 
   (2*s13*s23)/(s12*s123*s234) + (D*s13*s23)/(2*s12*s123*s234) + 
   (4*s13*s23)/(s12*s124*s234) - (D*s13*s23)/(s12*s124*s234) + 
   (2*s23)/(s134*s234) - (2*s14*s23)/(s12*s123*s234) + 
   (D*s14*s23)/(2*s12*s123*s234) + (4*s14*s23)/(s12*s124*s234) - 
   (D*s14*s23)/(s12*s124*s234) - (2*s23^2)/(s12*s123*s234) + 
   (D*s23^2)/(2*s12*s123*s234) + (4*s23^2)/(s12*s124*s234) - 
   (D*s23^2)/(s12*s124*s234) + (2*s24)/s12^2 - (2*s24)/(s12*s123) + 
   (D*s24)/(2*s12*s123) - s24/(s12*s124) + (D*s24)/(2*s12*s124) - 
   (s13*s24)/(s12^2*s123) + (s13*s24)/(s12^2*s124) + (D*s24)/(2*s12*s134) - 
   (4*s24)/(s123*s134) + (D*s24)/(s123*s134) - (D*s24)/(2*s124*s134) - 
   (8*s13*s24)/(s12*s123*s134) + (D*s13*s24)/(s12*s123*s134) - 
   (D*s13*s24)/(2*s12*s124*s134) + (s14*s24)/(s12^2*s124) - 
   (4*s14*s24)/(s12*s123*s134) + (D*s14*s24)/(s12*s123*s134) - 
   (D*s14*s24)/(2*s12*s124*s134) - (2*s23*s24)/(s12^2*s123) - 
   (2*s23*s24)/(s12^2*s124) - (4*s23*s24)/(s12*s123*s124) - 
   (4*s13*s23*s24)/(s12^2*s123*s124) - (4*s23*s24)/(s12*s123*s134) + 
   (2*D*s23*s24)/(s12*s123*s134) + (2*s23*s24)/(s12*s124*s134) - 
   (D*s23*s24)/(s12*s124*s134) - (4*s14*s23*s24)/(s12^2*s123*s124) - 
   (4*s23^2*s24)/(s12^2*s123*s124) + (3*s24)/(s12*s234) - 
   (D*s24)/(2*s12*s234) - (2*s24)/(s123*s234) + (D*s24)/(2*s123*s234) + 
   (4*s24)/(s124*s234) - (D*s24)/(s124*s234) - (2*s13*s24)/(s12*s123*s234) + 
   (D*s13*s24)/(2*s12*s123*s234) + (4*s13*s24)/(s12*s124*s234) - 
   (D*s13*s24)/(s12*s124*s234) + (2*s24)/(s134*s234) - 
   (2*s14*s24)/(s12*s123*s234) + (D*s14*s24)/(2*s12*s123*s234) + 
   (4*s14*s24)/(s12*s124*s234) - (D*s14*s24)/(s12*s124*s234) - 
   (2*s23*s24)/(s12*s123*s234) + (D*s23*s24)/(s12*s123*s234) + 
   (4*s23*s24)/(s12*s124*s234) - (2*D*s23*s24)/(s12*s124*s234) + 
   s24^2/(s12^2*s124) - (4*s24^2)/(s12*s123*s134) + 
   (D*s24^2)/(s12*s123*s134) - (D*s24^2)/(2*s12*s124*s134) - 
   (4*s23*s24^2)/(s12^2*s123*s124) - (2*s24^2)/(s12*s123*s234) + 
   (D*s24^2)/(2*s12*s123*s234) + (4*s24^2)/(s12*s124*s234) - 
   (D*s24^2)/(s12*s124*s234) - (s14*s23)/(s12*s34^2) - 
   (s13*s14*s23)/(s12^2*s34^2) - (s14*s23)/(s134*s34^2) - 
   (s13*s14*s23)/(s12*s134*s34^2) - (s14^2*s23)/(s12^2*s34^2) - 
   (s14^2*s23)/(s12*s134*s34^2) - (s14*s23^2)/(s12^2*s34^2) - 
   (s14*s23^2)/(s12*s134*s34^2) - (s13*s24)/(s12*s34^2) - 
   (s13^2*s24)/(s12^2*s34^2) - (s13*s24)/(s134*s34^2) - 
   (s13^2*s24)/(s12*s134*s34^2) - (s13*s14*s24)/(s12^2*s34^2) - 
   (s13*s14*s24)/(s12*s134*s34^2) - (4*s23*s24)/(s12*s34^2) - 
   (5*s13*s23*s24)/(s12^2*s34^2) - (s13*s23*s24)/(s12*s134*s34^2) - 
   (5*s14*s23*s24)/(s12^2*s34^2) - (s14*s23*s24)/(s12*s134*s34^2) - 
   (4*s23^2*s24)/(s12^2*s34^2) - (2*s23*s24)/(s234*s34^2) - 
   (2*s13*s23*s24)/(s12*s234*s34^2) - (2*s14*s23*s24)/(s12*s234*s34^2) - 
   (2*s23^2*s24)/(s12*s234*s34^2) - (s13*s24^2)/(s12^2*s34^2) - 
   (s13*s24^2)/(s12*s134*s34^2) - (4*s23*s24^2)/(s12^2*s34^2) - 
   (2*s23*s24^2)/(s12*s234*s34^2) - 2/s34 + D/(2*s34) - (2*s13)/(s12*s34) + 
   (D*s13)/(2*s12*s34) - (2*s14)/(s12*s34) + (D*s14)/(2*s12*s34) + 
   (D*s23)/(2*s12*s34) + (2*s13*s23)/(s12^2*s34) + (D*s23)/(2*s134*s34) + 
   (D*s13*s23)/(2*s12*s134*s34) + (s14*s23)/(s12^2*s34) - 
   (s14*s23)/(s12*s124*s34) - (s13*s14*s23)/(s12^2*s124*s34) - 
   (s14*s23)/(s12*s134*s34) + (D*s14*s23)/(2*s12*s134*s34) + 
   (2*s14*s23)/(s124*s134*s34) + (2*s13*s14*s23)/(s12*s124*s134*s34) - 
   (s14^2*s23)/(s12^2*s124*s34) + (2*s14^2*s23)/(s12*s124*s134*s34) + 
   (2*s23^2)/(s12^2*s34) + (D*s23^2)/(2*s12*s134*s34) - 
   (s14*s23^2)/(s12^2*s124*s34) + (2*s14*s23^2)/(s12*s124*s134*s34) + 
   (3*s23)/(s234*s34) - (D*s23)/(2*s234*s34) + (3*s13*s23)/(s12*s234*s34) - 
   (D*s13*s23)/(2*s12*s234*s34) + (2*s12*s23)/(s134*s234*s34) + 
   (2*s13*s23)/(s134*s234*s34) + (3*s14*s23)/(s12*s234*s34) - 
   (D*s14*s23)/(2*s12*s234*s34) + (2*s14*s23)/(s134*s234*s34) + 
   (3*s23^2)/(s12*s234*s34) - (D*s23^2)/(2*s12*s234*s34) + 
   (2*s23^2)/(s134*s234*s34) + (D*s24)/(2*s12*s34) + (s13*s24)/(s12^2*s34) - 
   (s13*s24)/(s12*s123*s34) - (s13^2*s24)/(s12^2*s123*s34) + 
   (D*s24)/(2*s134*s34) - (s13*s24)/(s12*s134*s34) + 
   (D*s13*s24)/(2*s12*s134*s34) - (4*s13*s24)/(s123*s134*s34) - 
   (4*s13^2*s24)/(s12*s123*s134*s34) + (2*s14*s24)/(s12^2*s34) - 
   (s13*s14*s24)/(s12^2*s123*s34) + (D*s14*s24)/(2*s12*s134*s34) - 
   (4*s13*s14*s24)/(s12*s123*s134*s34) - (3*s23*s24)/(s12*s123*s34) - 
   (3*s23*s24)/(s12*s124*s34) - (4*s13*s23*s24)/(s12^2*s123*s34) - 
   (3*s13*s23*s24)/(s12^2*s124*s34) + (D*s23*s24)/(s12*s134*s34) - 
   (4*s13*s23*s24)/(s12*s123*s134*s34) - (3*s14*s23*s24)/(s12^2*s123*s34) - 
   (4*s14*s23*s24)/(s12^2*s124*s34) + (2*s14*s23*s24)/(s12*s124*s134*s34) - 
   (3*s23^2*s24)/(s12^2*s123*s34) - (3*s23^2*s24)/(s12^2*s124*s34) + 
   (3*s24)/(s234*s34) - (D*s24)/(2*s234*s34) + (3*s13*s24)/(s12*s234*s34) - 
   (D*s13*s24)/(2*s12*s234*s34) + (2*s12*s24)/(s134*s234*s34) + 
   (2*s13*s24)/(s134*s234*s34) + (3*s14*s24)/(s12*s234*s34) - 
   (D*s14*s24)/(2*s12*s234*s34) + (2*s14*s24)/(s134*s234*s34) + 
   (4*s23*s24)/(s12*s234*s34) - (D*s23*s24)/(s12*s234*s34) + 
   (2*s23*s24)/(s123*s234*s34) - (4*s23*s24)/(s124*s234*s34) + 
   (2*s13*s23*s24)/(s12*s123*s234*s34) - (4*s13*s23*s24)/
    (s12*s124*s234*s34) + (4*s23*s24)/(s134*s234*s34) + 
   (2*s14*s23*s24)/(s12*s123*s234*s34) - (4*s14*s23*s24)/
    (s12*s124*s234*s34) + (2*s23^2*s24)/(s12*s123*s234*s34) - 
   (4*s23^2*s24)/(s12*s124*s234*s34) + (2*s24^2)/(s12^2*s34) - 
   (s13*s24^2)/(s12^2*s123*s34) + (D*s24^2)/(2*s12*s134*s34) - 
   (4*s13*s24^2)/(s12*s123*s134*s34) - (3*s23*s24^2)/(s12^2*s123*s34) - 
   (3*s23*s24^2)/(s12^2*s124*s34) + (3*s24^2)/(s12*s234*s34) - 
   (D*s24^2)/(2*s12*s234*s34) + (2*s24^2)/(s134*s234*s34) + 
   (2*s23*s24^2)/(s12*s123*s234*s34) - (4*s23*s24^2)/(s12*s124*s234*s34) - 
   (2*s34)/(s12*s123) + (D*s34)/(2*s12*s123) - (2*s34)/(s12*s124) + 
   (D*s34)/(2*s12*s124) - (4*s34)/(s123*s124) + (D*s34)/(s123*s124) - 
   (4*s13*s34)/(s12*s123*s124) + (D*s13*s34)/(s12*s123*s124) - 
   (4*s14*s34)/(s12*s123*s124) + (D*s14*s34)/(s12*s123*s124) + 
   (s23*s34)/(s12^2*s123) - (4*s23*s34)/(s12*s123*s124) + 
   (D*s23*s34)/(s12*s123*s124) + (D*s23*s34)/(s12*s123*s134) + 
   (2*s23*s34)/(s12*s124*s134) - (D*s23*s34)/(2*s12*s124*s134) - 
   (2*s23*s34)/(s12*s123*s234) + (D*s23*s34)/(2*s12*s123*s234) + 
   (4*s23*s34)/(s12*s124*s234) - (D*s23*s34)/(s12*s124*s234) + 
   (s24*s34)/(s12^2*s124) - (4*s24*s34)/(s12*s123*s124) + 
   (D*s24*s34)/(s12*s123*s124) - (4*s24*s34)/(s12*s123*s134) + 
   (D*s24*s34)/(s12*s123*s134) - (D*s24*s34)/(2*s12*s124*s134) - 
   (4*s23*s24*s34)/(s12^2*s123*s124) - (2*s24*s34)/(s12*s123*s234) + 
   (D*s24*s34)/(2*s12*s123*s234) + (4*s24*s34)/(s12*s124*s234) - 
   (D*s24*s34)/(s12*s124*s234) - (4*s34^2)/(s12*s123*s124) + 
   (D*s34^2)/(s12*s123*s124) - (2*s23*z1)/(s12^2*z12) - 
   (s23*z1)/(s12*s123*z12) - (s13*s23*z1)/(s12^2*s123*z12) - 
   (s14*s23*z1)/(s12^2*s123*z12) + (s14*s23*z1)/(s12^2*s124*z12) - 
   (s23^2*z1)/(s12^2*s123*z12) - (s23*z1)/(s12*s234*z12) - 
   (2*s24*z1)/(s12^2*z12) - (s24*z1)/(s12*s124*z12) + 
   (s13*s24*z1)/(s12^2*s123*z12) - (s13*s24*z1)/(s12^2*s124*z12) - 
   (s14*s24*z1)/(s12^2*s124*z12) - (s24*z1)/(s12*s234*z12) - 
   (s24^2*z1)/(s12^2*s124*z12) + (s14*s23*z1)/(s12*s34^2*z12) + 
   (s13*s14*s23*z1)/(s12^2*s34^2*z12) + (s14^2*s23*z1)/(s12^2*s34^2*z12) + 
   (s14*s23^2*z1)/(s12^2*s34^2*z12) + (s13*s24*z1)/(s12*s34^2*z12) + 
   (s13^2*s24*z1)/(s12^2*s34^2*z12) + (s13*s14*s24*z1)/(s12^2*s34^2*z12) + 
   (2*s23*s24*z1)/(s12*s34^2*z12) + (3*s13*s23*s24*z1)/(s12^2*s34^2*z12) + 
   (3*s14*s23*s24*z1)/(s12^2*s34^2*z12) + (2*s23^2*s24*z1)/
    (s12^2*s34^2*z12) + (s13*s24^2*z1)/(s12^2*s34^2*z12) + 
   (2*s23*s24^2*z1)/(s12^2*s34^2*z12) - (2*s23*z1)/(s12*s34*z12) - 
   (2*s13*s23*z1)/(s12^2*s34*z12) - (s14*s23*z1)/(s12^2*s34*z12) + 
   (s14*s23*z1)/(s12*s124*s34*z12) + (s13*s14*s23*z1)/(s12^2*s124*s34*z12) + 
   (s14^2*s23*z1)/(s12^2*s124*s34*z12) - (2*s23^2*z1)/(s12^2*s34*z12) + 
   (s14*s23^2*z1)/(s12^2*s124*s34*z12) - (s23*z1)/(s234*s34*z12) - 
   (s13*s23*z1)/(s12*s234*s34*z12) - (s14*s23*z1)/(s12*s234*s34*z12) - 
   (s23^2*z1)/(s12*s234*s34*z12) - (2*s24*z1)/(s12*s34*z12) - 
   (s13*s24*z1)/(s12^2*s34*z12) + (s13*s24*z1)/(s12*s123*s34*z12) + 
   (s13^2*s24*z1)/(s12^2*s123*s34*z12) - (2*s14*s24*z1)/(s12^2*s34*z12) + 
   (s13*s14*s24*z1)/(s12^2*s123*s34*z12) - (2*s23*s24*z1)/(s12^2*s34*z12) + 
   (s23*s24*z1)/(s12*s123*s34*z12) + (s23*s24*z1)/(s12*s124*s34*z12) + 
   (2*s13*s23*s24*z1)/(s12^2*s123*s34*z12) + (s13*s23*s24*z1)/
    (s12^2*s124*s34*z12) + (s14*s23*s24*z1)/(s12^2*s123*s34*z12) + 
   (2*s14*s23*s24*z1)/(s12^2*s124*s34*z12) + 
   (s23^2*s24*z1)/(s12^2*s123*s34*z12) + (s23^2*s24*z1)/
    (s12^2*s124*s34*z12) - (s24*z1)/(s234*s34*z12) - 
   (s13*s24*z1)/(s12*s234*s34*z12) - (s14*s24*z1)/(s12*s234*s34*z12) - 
   (2*s23*s24*z1)/(s12*s234*s34*z12) - (2*s24^2*z1)/(s12^2*s34*z12) + 
   (s13*s24^2*z1)/(s12^2*s123*s34*z12) + (s23*s24^2*z1)/
    (s12^2*s123*s34*z12) + (s23*s24^2*z1)/(s12^2*s124*s34*z12) - 
   (s24^2*z1)/(s12*s234*s34*z12) - (s23*s34*z1)/(s12^2*s123*z12) - 
   (s24*s34*z1)/(s12^2*s124*z12) + (2*z1*z2)/(s12*z12^2) + 
   (2*z1*z2)/(s123*z12^2) + (2*z1*z2)/(s124*z12^2) + 
   (4*s13*z1*z2)/(s12^2*z12^2) + (4*s13*z1*z2)/(s12*s123*z12^2) + 
   (2*s13*z1*z2)/(s12*s124*z12^2) + (2*s13^2*z1*z2)/(s12^2*s123*z12^2) + 
   (4*s14*z1*z2)/(s12^2*z12^2) + (2*s14*z1*z2)/(s12*s123*z12^2) + 
   (4*s14*z1*z2)/(s12*s124*z12^2) + (2*s13*s14*z1*z2)/(s12^2*s123*z12^2) + 
   (2*s13*s14*z1*z2)/(s12^2*s124*z12^2) + (2*s14^2*z1*z2)/
    (s12^2*s124*z12^2) + (4*s23*z1*z2)/(s12^2*z12^2) + 
   (4*s23*z1*z2)/(s12*s123*z12^2) + (2*s23*z1*z2)/(s12*s124*z12^2) + 
   (4*s13*s23*z1*z2)/(s12^2*s123*z12^2) + (2*s14*s23*z1*z2)/
    (s12^2*s123*z12^2) + (2*s14*s23*z1*z2)/(s12^2*s124*z12^2) + 
   (2*s23^2*z1*z2)/(s12^2*s123*z12^2) + (4*s24*z1*z2)/(s12^2*z12^2) + 
   (2*s24*z1*z2)/(s12*s123*z12^2) + (4*s24*z1*z2)/(s12*s124*z12^2) + 
   (2*s13*s24*z1*z2)/(s12^2*s123*z12^2) + (2*s13*s24*z1*z2)/
    (s12^2*s124*z12^2) + (4*s14*s24*z1*z2)/(s12^2*s124*z12^2) + 
   (2*s23*s24*z1*z2)/(s12^2*s123*z12^2) + (2*s23*s24*z1*z2)/
    (s12^2*s124*z12^2) + (2*s24^2*z1*z2)/(s12^2*s124*z12^2) + 
   (2*s13*s14*z1*z2)/(s12*s34^2*z12^2) + (2*s13^2*s14*z1*z2)/
    (s12^2*s34^2*z12^2) + (2*s13*s14^2*z1*z2)/(s12^2*s34^2*z12^2) + 
   (2*s14*s23*z1*z2)/(s12*s34^2*z12^2) + (4*s13*s14*s23*z1*z2)/
    (s12^2*s34^2*z12^2) + (2*s14^2*s23*z1*z2)/(s12^2*s34^2*z12^2) + 
   (2*s14*s23^2*z1*z2)/(s12^2*s34^2*z12^2) + (2*s13*s24*z1*z2)/
    (s12*s34^2*z12^2) + (2*s13^2*s24*z1*z2)/(s12^2*s34^2*z12^2) + 
   (4*s13*s14*s24*z1*z2)/(s12^2*s34^2*z12^2) + 
   (2*s23*s24*z1*z2)/(s12*s34^2*z12^2) + (4*s13*s23*s24*z1*z2)/
    (s12^2*s34^2*z12^2) + (4*s14*s23*s24*z1*z2)/(s12^2*s34^2*z12^2) + 
   (2*s23^2*s24*z1*z2)/(s12^2*s34^2*z12^2) + (2*s13*s24^2*z1*z2)/
    (s12^2*s34^2*z12^2) + (2*s23*s24^2*z1*z2)/(s12^2*s34^2*z12^2) + 
   (2*z1*z2)/(s34*z12^2) + (6*s13*z1*z2)/(s12*s34*z12^2) + 
   (4*s13^2*z1*z2)/(s12^2*s34*z12^2) + (6*s14*z1*z2)/(s12*s34*z12^2) + 
   (10*s13*s14*z1*z2)/(s12^2*s34*z12^2) + (4*s14^2*z1*z2)/(s12^2*s34*z12^2) + 
   (6*s23*z1*z2)/(s12*s34*z12^2) + (8*s13*s23*z1*z2)/(s12^2*s34*z12^2) + 
   (10*s14*s23*z1*z2)/(s12^2*s34*z12^2) + (4*s23^2*z1*z2)/(s12^2*s34*z12^2) + 
   (6*s24*z1*z2)/(s12*s34*z12^2) + (10*s13*s24*z1*z2)/(s12^2*s34*z12^2) + 
   (8*s14*s24*z1*z2)/(s12^2*s34*z12^2) + (10*s23*s24*z1*z2)/
    (s12^2*s34*z12^2) + (4*s24^2*z1*z2)/(s12^2*s34*z12^2) + 
   (2*s34*z1*z2)/(s12*s123*z12^2) + (2*s34*z1*z2)/(s12*s124*z12^2) + 
   (2*s13*s34*z1*z2)/(s12^2*s123*z12^2) + (2*s14*s34*z1*z2)/
    (s12^2*s124*z12^2) + (2*s23*s34*z1*z2)/(s12^2*s123*z12^2) + 
   (2*s24*s34*z1*z2)/(s12^2*s124*z12^2) + (2*z2)/(s12*z12) - 
   (4*s13*z2)/(s12^2*z12) - (2*s13*z2)/(s12*s123*z12) - 
   (2*s13^2*z2)/(s12^2*s123*z12) - z2/(s134*z12) - 
   (4*s12*z2)/(s123*s134*z12) + (2*s12*z2)/(s124*s134*z12) - 
   (5*s13*z2)/(2*s12*s134*z12) - (8*s13*z2)/(s123*s134*z12) + 
   (2*s13*z2)/(s124*s134*z12) - (4*s13^2*z2)/(s12*s123*s134*z12) - 
   (4*s14*z2)/(s12^2*z12) - (2*s14*z2)/(s12*s124*z12) - 
   (2*s13*s14*z2)/(s12^2*s123*z12) - (2*s13*s14*z2)/(s12^2*s124*z12) - 
   (5*s14*z2)/(2*s12*s134*z12) - (4*s14*z2)/(s123*s134*z12) + 
   (4*s14*z2)/(s124*s134*z12) - (4*s13*s14*z2)/(s12*s123*s134*z12) + 
   (2*s13*s14*z2)/(s12*s124*s134*z12) - (2*s14^2*z2)/(s12^2*s124*z12) + 
   (2*s14^2*z2)/(s12*s124*s134*z12) - (2*s23*z2)/(s12^2*z12) - 
   (s23*z2)/(s12*s123*z12) - (3*s13*s23*z2)/(s12^2*s123*z12) - 
   (3*s23*z2)/(2*s12*s134*z12) - (8*s23*z2)/(s123*s134*z12) + 
   (2*s23*z2)/(s124*s134*z12) - (8*s13*s23*z2)/(s12*s123*s134*z12) - 
   (s14*s23*z2)/(s12^2*s123*z12) - (3*s14*s23*z2)/(s12^2*s124*z12) - 
   (4*s14*s23*z2)/(s12*s123*s134*z12) + (2*s14*s23*z2)/(s12*s124*s134*z12) - 
   (s23^2*z2)/(s12^2*s123*z12) - (4*s23^2*z2)/(s12*s123*s134*z12) + 
   z2/(s234*z12) - (s13*z2)/(2*s12*s234*z12) - (s14*z2)/(2*s12*s234*z12) - 
   (s23*z2)/(2*s12*s234*z12) - (2*s24*z2)/(s12^2*z12) - 
   (s24*z2)/(s12*s124*z12) - (3*s13*s24*z2)/(s12^2*s123*z12) - 
   (s13*s24*z2)/(s12^2*s124*z12) - (3*s24*z2)/(2*s12*s134*z12) - 
   (4*s24*z2)/(s123*s134*z12) + (4*s24*z2)/(s124*s134*z12) - 
   (4*s13*s24*z2)/(s12*s123*s134*z12) + (2*s13*s24*z2)/(s12*s124*s134*z12) - 
   (3*s14*s24*z2)/(s12^2*s124*z12) + (4*s14*s24*z2)/(s12*s124*s134*z12) - 
   (2*s23*s24*z2)/(s12^2*s123*z12) - (2*s23*s24*z2)/(s12^2*s124*z12) - 
   (4*s23*s24*z2)/(s12*s123*s134*z12) + (2*s23*s24*z2)/(s12*s124*s134*z12) - 
   (s24*z2)/(2*s12*s234*z12) - (s24^2*z2)/(s12^2*s124*z12) + 
   (2*s24^2*z2)/(s12*s124*s134*z12) - (2*s13*s14*z2)/(s12*s34^2*z12) - 
   (2*s13^2*s14*z2)/(s12^2*s34^2*z12) - (2*s13*s14*z2)/(s134*s34^2*z12) - 
   (2*s13^2*s14*z2)/(s12*s134*s34^2*z12) - (2*s13*s14^2*z2)/
    (s12^2*s34^2*z12) - (2*s13*s14^2*z2)/(s12*s134*s34^2*z12) - 
   (3*s14*s23*z2)/(s12*s34^2*z12) - (5*s13*s14*s23*z2)/(s12^2*s34^2*z12) - 
   (s14*s23*z2)/(s134*s34^2*z12) - (3*s13*s14*s23*z2)/(s12*s134*s34^2*z12) - 
   (3*s14^2*s23*z2)/(s12^2*s34^2*z12) - (s14^2*s23*z2)/(s12*s134*s34^2*z12) - 
   (3*s14*s23^2*z2)/(s12^2*s34^2*z12) - (s14*s23^2*z2)/(s12*s134*s34^2*z12) - 
   (s14*s23*z2)/(s234*s34^2*z12) - (s13*s14*s23*z2)/(s12*s234*s34^2*z12) - 
   (s14^2*s23*z2)/(s12*s234*s34^2*z12) - (s14*s23^2*z2)/
    (s12*s234*s34^2*z12) - (3*s13*s24*z2)/(s12*s34^2*z12) - 
   (3*s13^2*s24*z2)/(s12^2*s34^2*z12) - (s13*s24*z2)/(s134*s34^2*z12) - 
   (s13^2*s24*z2)/(s12*s134*s34^2*z12) - (5*s13*s14*s24*z2)/
    (s12^2*s34^2*z12) - (3*s13*s14*s24*z2)/(s12*s134*s34^2*z12) - 
   (4*s23*s24*z2)/(s12*s34^2*z12) - (7*s13*s23*s24*z2)/(s12^2*s34^2*z12) - 
   (s13*s23*s24*z2)/(s12*s134*s34^2*z12) - (7*s14*s23*s24*z2)/
    (s12^2*s34^2*z12) - (s14*s23*s24*z2)/(s12*s134*s34^2*z12) - 
   (4*s23^2*s24*z2)/(s12^2*s34^2*z12) - (s13*s24*z2)/(s234*s34^2*z12) - 
   (s13^2*s24*z2)/(s12*s234*s34^2*z12) - (s13*s14*s24*z2)/
    (s12*s234*s34^2*z12) - (2*s23*s24*z2)/(s234*s34^2*z12) - 
   (3*s13*s23*s24*z2)/(s12*s234*s34^2*z12) - (3*s14*s23*s24*z2)/
    (s12*s234*s34^2*z12) - (2*s23^2*s24*z2)/(s12*s234*s34^2*z12) - 
   (3*s13*s24^2*z2)/(s12^2*s34^2*z12) - (s13*s24^2*z2)/(s12*s134*s34^2*z12) - 
   (4*s23*s24^2*z2)/(s12^2*s34^2*z12) - (s13*s24^2*z2)/(s12*s234*s34^2*z12) - 
   (2*s23*s24^2*z2)/(s12*s234*s34^2*z12) + (2*z2)/(s34*z12) - 
   (2*s13*z2)/(s12*s34*z12) - (4*s13^2*z2)/(s12^2*s34*z12) - 
   (s12*z2)/(s134*s34*z12) - (7*s13*z2)/(2*s134*s34*z12) - 
   (5*s13^2*z2)/(2*s12*s134*s34*z12) - (2*s14*z2)/(s12*s34*z12) - 
   (10*s13*s14*z2)/(s12^2*s34*z12) - (7*s14*z2)/(2*s134*s34*z12) - 
   (7*s13*s14*z2)/(s12*s134*s34*z12) - (4*s14^2*z2)/(s12^2*s34*z12) - 
   (5*s14^2*z2)/(2*s12*s134*s34*z12) - (6*s13*s23*z2)/(s12^2*s34*z12) - 
   (5*s23*z2)/(2*s134*s34*z12) - (4*s13*s23*z2)/(s12*s134*s34*z12) - 
   (9*s14*s23*z2)/(s12^2*s34*z12) - (s14*s23*z2)/(s12*s124*s34*z12) - 
   (s13*s14*s23*z2)/(s12^2*s124*s34*z12) - 
   (5*s14*s23*z2)/(s12*s134*s34*z12) - (s14^2*s23*z2)/(s12^2*s124*s34*z12) - 
   (2*s23^2*z2)/(s12^2*s34*z12) - (3*s23^2*z2)/(2*s12*s134*s34*z12) - 
   (s14*s23^2*z2)/(s12^2*s124*s34*z12) + (s12*z2)/(s234*s34*z12) + 
   (s13*z2)/(2*s234*s34*z12) - (s13^2*z2)/(2*s12*s234*s34*z12) + 
   (s14*z2)/(2*s234*s34*z12) - (s13*s14*z2)/(s12*s234*s34*z12) - 
   (s14^2*z2)/(2*s12*s234*s34*z12) + (s23*z2)/(2*s234*s34*z12) - 
   (s13*s23*z2)/(s12*s234*s34*z12) - (2*s14*s23*z2)/(s12*s234*s34*z12) - 
   (s23^2*z2)/(2*s12*s234*s34*z12) - (9*s13*s24*z2)/(s12^2*s34*z12) - 
   (s13*s24*z2)/(s12*s123*s34*z12) - (s13^2*s24*z2)/(s12^2*s123*s34*z12) - 
   (5*s24*z2)/(2*s134*s34*z12) - (5*s13*s24*z2)/(s12*s134*s34*z12) - 
   (6*s14*s24*z2)/(s12^2*s34*z12) - (s13*s14*s24*z2)/(s12^2*s123*s34*z12) - 
   (4*s14*s24*z2)/(s12*s134*s34*z12) - (8*s23*s24*z2)/(s12^2*s34*z12) - 
   (s23*s24*z2)/(s12*s123*s34*z12) - (s23*s24*z2)/(s12*s124*s34*z12) - 
   (2*s13*s23*s24*z2)/(s12^2*s123*s34*z12) - (s13*s23*s24*z2)/
    (s12^2*s124*s34*z12) - (3*s23*s24*z2)/(s12*s134*s34*z12) - 
   (s14*s23*s24*z2)/(s12^2*s123*s34*z12) - (2*s14*s23*s24*z2)/
    (s12^2*s124*s34*z12) - (s23^2*s24*z2)/(s12^2*s123*s34*z12) - 
   (s23^2*s24*z2)/(s12^2*s124*s34*z12) + (s24*z2)/(2*s234*s34*z12) - 
   (2*s13*s24*z2)/(s12*s234*s34*z12) - (s14*s24*z2)/(s12*s234*s34*z12) - 
   (3*s23*s24*z2)/(s12*s234*s34*z12) - (2*s24^2*z2)/(s12^2*s34*z12) - 
   (s13*s24^2*z2)/(s12^2*s123*s34*z12) - (3*s24^2*z2)/(2*s12*s134*s34*z12) - 
   (s23*s24^2*z2)/(s12^2*s123*s34*z12) - (s23*s24^2*z2)/
    (s12^2*s124*s34*z12) - (s24^2*z2)/(2*s12*s234*s34*z12) - 
   (2*s13*s34*z2)/(s12^2*s123*z12) - (4*s34*z2)/(s123*s134*z12) + 
   (2*s34*z2)/(s124*s134*z12) - (4*s13*s34*z2)/(s12*s123*s134*z12) - 
   (2*s14*s34*z2)/(s12^2*s124*z12) + (2*s14*s34*z2)/(s12*s124*s134*z12) - 
   (s23*s34*z2)/(s12^2*s123*z12) - (4*s23*s34*z2)/(s12*s123*s134*z12) - 
   (s24*s34*z2)/(s12^2*s124*z12) + (2*s24*s34*z2)/(s12*s124*s134*z12) + 
   (2*z3)/(s12*z12) + z3/(s123*z12) + (s13*z3)/(s12*s123*z12) + 
   (s14*z3)/(s12*s123*z12) - (s14*z3)/(s12*s124*z12) + 
   (s23*z3)/(s12*s123*z12) + z3/(s234*z12) + (s24*z3)/(s12*s123*z12) - 
   (s24*z3)/(s12*s124*z12) - (s14*z3)/(s34^2*z12) - 
   (s13*s14*z3)/(s12*s34^2*z12) - (s14^2*z3)/(s12*s34^2*z12) - 
   (s14*s23*z3)/(s12*s34^2*z12) - (s24*z3)/(s34^2*z12) - 
   (s13*s24*z3)/(s12*s34^2*z12) + (s13*s24*z3)/(2*s134*s34^2*z12) + 
   (s13^2*s24*z3)/(2*s12*s134*s34^2*z12) - (2*s14*s24*z3)/(s12*s34^2*z12) - 
   (s14*s24*z3)/(2*s134*s34^2*z12) - (s14^2*s24*z3)/(2*s12*s134*s34^2*z12) - 
   (s23*s24*z3)/(s12*s34^2*z12) + (s23*s24*z3)/(2*s134*s34^2*z12) + 
   (s13*s23*s24*z3)/(s12*s134*s34^2*z12) + 
   (s23^2*s24*z3)/(2*s12*s134*s34^2*z12) - (s13*s24*z3)/(2*s234*s34^2*z12) - 
   (s13^2*s24*z3)/(2*s12*s234*s34^2*z12) + (s14*s24*z3)/(2*s234*s34^2*z12) + 
   (s14^2*s24*z3)/(2*s12*s234*s34^2*z12) - (s23*s24*z3)/(2*s234*s34^2*z12) - 
   (s13*s23*s24*z3)/(s12*s234*s34^2*z12) - 
   (s23^2*s24*z3)/(2*s12*s234*s34^2*z12) - (s24^2*z3)/(s12*s34^2*z12) - 
   (s24^2*z3)/(2*s134*s34^2*z12) - (s14*s24^2*z3)/(s12*s134*s34^2*z12) + 
   (s24^2*z3)/(2*s234*s34^2*z12) + (s14*s24^2*z3)/(s12*s234*s34^2*z12) - 
   (s24^3*z3)/(2*s12*s134*s34^2*z12) + (s24^3*z3)/(2*s12*s234*s34^2*z12) + 
   (2*z3)/(s34*z12) + (2*s13*z3)/(s12*s34*z12) + (s14*z3)/(s12*s34*z12) - 
   (s14*z3)/(s124*s34*z12) - (s13*s14*z3)/(s12*s124*s34*z12) - 
   (s14^2*z3)/(s12*s124*s34*z12) + (2*s23*z3)/(s12*s34*z12) - 
   (s14*s23*z3)/(s12*s124*s34*z12) + (s12*z3)/(s234*s34*z12) + 
   (s13*z3)/(s234*s34*z12) + (s14*z3)/(s234*s34*z12) + 
   (s23*z3)/(s234*s34*z12) + (s24*z3)/(s12*s34*z12) - 
   (s24*z3)/(s124*s34*z12) - (s13*s24*z3)/(s12*s124*s34*z12) + 
   (s13*s24*z3)/(2*s12*s134*s34*z12) - (2*s14*s24*z3)/(s12*s124*s34*z12) - 
   (s14*s24*z3)/(2*s12*s134*s34*z12) - (s23*s24*z3)/(s12*s124*s34*z12) + 
   (s23*s24*z3)/(2*s12*s134*s34*z12) + (s24*z3)/(s234*s34*z12) - 
   (s13*s24*z3)/(2*s12*s234*s34*z12) + (s14*s24*z3)/(2*s12*s234*s34*z12) - 
   (s23*s24*z3)/(2*s12*s234*s34*z12) - (s24^2*z3)/(s12*s124*s34*z12) - 
   (s24^2*z3)/(2*s12*s134*s34*z12) + (s24^2*z3)/(2*s12*s234*s34*z12) + 
   (s34*z3)/(s12*s123*z12) - (s23*z1)/(s12^2*z34) - (s23*z1)/(s12*s134*z34) - 
   (s24*z1)/(s12^2*z34) - (s24*z1)/(s12*s134*z34) - (s23*z1)/(s12*s34*z34) - 
   (s13*s23*z1)/(s12^2*s34*z34) - (s23*z1)/(s134*s34*z34) - 
   (s13*s23*z1)/(s12*s134*s34*z34) - (s14*s23*z1)/(s12^2*s34*z34) - 
   (s14*s23*z1)/(s12*s134*s34*z34) - (s23^2*z1)/(s12^2*s34*z34) - 
   (s23^2*z1)/(s12*s134*s34*z34) - (s24*z1)/(s12*s34*z34) - 
   (s13*s24*z1)/(s12^2*s34*z34) - (s24*z1)/(s134*s34*z34) - 
   (s13*s24*z1)/(s12*s134*s34*z34) - (s14*s24*z1)/(s12^2*s34*z34) - 
   (s14*s24*z1)/(s12*s134*s34*z34) - (2*s23*s24*z1)/(s12^2*s34*z34) - 
   (2*s23*s24*z1)/(s12*s134*s34*z34) - (s24^2*z1)/(s12^2*s34*z34) - 
   (s24^2*z1)/(s12*s134*s34*z34) + (s23*z1^2)/(s12^2*z12*z34) + 
   (s24*z1^2)/(s12^2*z12*z34) + (s23*z1^2)/(s12*s34*z12*z34) + 
   (s13*s23*z1^2)/(s12^2*s34*z12*z34) + (s14*s23*z1^2)/(s12^2*s34*z12*z34) + 
   (s23^2*z1^2)/(s12^2*s34*z12*z34) + (s24*z1^2)/(s12*s34*z12*z34) + 
   (s13*s24*z1^2)/(s12^2*s34*z12*z34) + (s14*s24*z1^2)/(s12^2*s34*z12*z34) + 
   (2*s23*s24*z1^2)/(s12^2*s34*z12*z34) + (s24^2*z1^2)/(s12^2*s34*z12*z34) - 
   (2*z2)/(s12*z34) - (3*s13*z2)/(s12^2*z34) - (s13*z2)/(2*s12*s123*z34) - 
   (s13*z2)/(2*s12*s124*z34) - (s13^2*z2)/(2*s12^2*s123*z34) - 
   (s13^2*z2)/(2*s12^2*s124*z34) - (s13*z2)/(s12*s134*z34) - 
   (2*s13*z2)/(s123*s134*z34) + (s13*z2)/(s124*s134*z34) - 
   (2*s13^2*z2)/(s12*s123*s134*z34) + (s13^2*z2)/(s12*s124*s134*z34) - 
   (3*s14*z2)/(s12^2*z34) - (s14*z2)/(2*s12*s123*z34) - 
   (s14*z2)/(2*s12*s124*z34) - (s13*s14*z2)/(s12^2*s123*z34) - 
   (s13*s14*z2)/(s12^2*s124*z34) - (s14*z2)/(s12*s134*z34) - 
   (2*s14*z2)/(s123*s134*z34) + (s14*z2)/(s124*s134*z34) - 
   (4*s13*s14*z2)/(s12*s123*s134*z34) + (2*s13*s14*z2)/(s12*s124*s134*z34) - 
   (s14^2*z2)/(2*s12^2*s123*z34) - (s14^2*z2)/(2*s12^2*s124*z34) - 
   (2*s14^2*z2)/(s12*s123*s134*z34) + (s14^2*z2)/(s12*s124*s134*z34) - 
   (6*s23*z2)/(s12^2*z34) - (3*s23*z2)/(2*s12*s123*z34) - 
   (3*s23*z2)/(2*s12*s124*z34) - (2*s13*s23*z2)/(s12^2*s123*z34) - 
   (2*s13*s23*z2)/(s12^2*s124*z34) - (2*s13*s23*z2)/(s12*s123*s134*z34) + 
   (s13*s23*z2)/(s12*s124*s134*z34) - (2*s14*s23*z2)/(s12^2*s123*z34) - 
   (2*s14*s23*z2)/(s12^2*s124*z34) - (2*s14*s23*z2)/(s12*s123*s134*z34) + 
   (s14*s23*z2)/(s12*s124*s134*z34) - (3*s23^2*z2)/(2*s12^2*s123*z34) - 
   (3*s23^2*z2)/(2*s12^2*s124*z34) - (2*z2)/(s234*z34) - 
   (2*s13*z2)/(s12*s234*z34) - (2*s14*z2)/(s12*s234*z34) - 
   (4*s23*z2)/(s12*s234*z34) + (s23*z2)/(s123*s234*z34) - 
   (2*s23*z2)/(s124*s234*z34) + (s13*s23*z2)/(s12*s123*s234*z34) - 
   (2*s13*s23*z2)/(s12*s124*s234*z34) + (s14*s23*z2)/(s12*s123*s234*z34) - 
   (2*s14*s23*z2)/(s12*s124*s234*z34) + (s23^2*z2)/(s12*s123*s234*z34) - 
   (2*s23^2*z2)/(s12*s124*s234*z34) - (6*s24*z2)/(s12^2*z34) - 
   (3*s24*z2)/(2*s12*s123*z34) - (3*s24*z2)/(2*s12*s124*z34) - 
   (2*s13*s24*z2)/(s12^2*s123*z34) - (2*s13*s24*z2)/(s12^2*s124*z34) - 
   (2*s13*s24*z2)/(s12*s123*s134*z34) + (s13*s24*z2)/(s12*s124*s134*z34) - 
   (2*s14*s24*z2)/(s12^2*s123*z34) - (2*s14*s24*z2)/(s12^2*s124*z34) - 
   (2*s14*s24*z2)/(s12*s123*s134*z34) + (s14*s24*z2)/(s12*s124*s134*z34) - 
   (3*s23*s24*z2)/(s12^2*s123*z34) - (3*s23*s24*z2)/(s12^2*s124*z34) - 
   (4*s24*z2)/(s12*s234*z34) + (s24*z2)/(s123*s234*z34) - 
   (2*s24*z2)/(s124*s234*z34) + (s13*s24*z2)/(s12*s123*s234*z34) - 
   (2*s13*s24*z2)/(s12*s124*s234*z34) + (s14*s24*z2)/(s12*s123*s234*z34) - 
   (2*s14*s24*z2)/(s12*s124*s234*z34) + (2*s23*s24*z2)/(s12*s123*s234*z34) - 
   (4*s23*s24*z2)/(s12*s124*s234*z34) - (3*s24^2*z2)/(2*s12^2*s123*z34) - 
   (3*s24^2*z2)/(2*s12^2*s124*z34) + (s24^2*z2)/(s12*s123*s234*z34) - 
   (2*s24^2*z2)/(s12*s124*s234*z34) - (s13*z2)/(s12*s34*z34) - 
   (s13^2*z2)/(s12^2*s34*z34) - (s13*z2)/(s134*s34*z34) - 
   (s13^2*z2)/(s12*s134*s34*z34) - (s14*z2)/(s12*s34*z34) - 
   (2*s13*s14*z2)/(s12^2*s34*z34) - (s14*z2)/(s134*s34*z34) - 
   (2*s13*s14*z2)/(s12*s134*s34*z34) - (s14^2*z2)/(s12^2*s34*z34) - 
   (s14^2*z2)/(s12*s134*s34*z34) - (4*s23*z2)/(s12*s34*z34) - 
   (5*s13*s23*z2)/(s12^2*s34*z34) - (s13*s23*z2)/(s12*s134*s34*z34) - 
   (5*s14*s23*z2)/(s12^2*s34*z34) - (s14*s23*z2)/(s12*s134*s34*z34) - 
   (4*s23^2*z2)/(s12^2*s34*z34) - (2*s23*z2)/(s234*s34*z34) - 
   (2*s13*s23*z2)/(s12*s234*s34*z34) - (2*s14*s23*z2)/(s12*s234*s34*z34) - 
   (2*s23^2*z2)/(s12*s234*s34*z34) - (4*s24*z2)/(s12*s34*z34) - 
   (5*s13*s24*z2)/(s12^2*s34*z34) - (s13*s24*z2)/(s12*s134*s34*z34) - 
   (5*s14*s24*z2)/(s12^2*s34*z34) - (s14*s24*z2)/(s12*s134*s34*z34) - 
   (8*s23*s24*z2)/(s12^2*s34*z34) - (2*s24*z2)/(s234*s34*z34) - 
   (2*s13*s24*z2)/(s12*s234*s34*z34) - (2*s14*s24*z2)/(s12*s234*s34*z34) - 
   (4*s23*s24*z2)/(s12*s234*s34*z34) - (4*s24^2*z2)/(s12^2*s34*z34) - 
   (2*s24^2*z2)/(s12*s234*s34*z34) - (2*s34*z2)/(s12^2*z34) - 
   (s34*z2)/(s12*s123*z34) - (s34*z2)/(s12*s124*z34) - 
   (3*s13*s34*z2)/(2*s12^2*s123*z34) - (3*s13*s34*z2)/(2*s12^2*s124*z34) - 
   (2*s34*z2)/(s123*s134*z34) + (s34*z2)/(s124*s134*z34) - 
   (4*s13*s34*z2)/(s12*s123*s134*z34) + (2*s13*s34*z2)/(s12*s124*s134*z34) - 
   (3*s14*s34*z2)/(2*s12^2*s123*z34) - (3*s14*s34*z2)/(2*s12^2*s124*z34) - 
   (4*s14*s34*z2)/(s12*s123*s134*z34) + (2*s14*s34*z2)/(s12*s124*s134*z34) - 
   (5*s23*s34*z2)/(2*s12^2*s123*z34) - (5*s23*s34*z2)/(2*s12^2*s124*z34) - 
   (2*s23*s34*z2)/(s12*s123*s134*z34) + (s23*s34*z2)/(s12*s124*s134*z34) - 
   (2*s34*z2)/(s12*s234*z34) + (s34*z2)/(s123*s234*z34) - 
   (2*s34*z2)/(s124*s234*z34) + (s13*s34*z2)/(s12*s123*s234*z34) - 
   (2*s13*s34*z2)/(s12*s124*s234*z34) + (s14*s34*z2)/(s12*s123*s234*z34) - 
   (2*s14*s34*z2)/(s12*s124*s234*z34) + (2*s23*s34*z2)/(s12*s123*s234*z34) - 
   (4*s23*s34*z2)/(s12*s124*s234*z34) - (5*s24*s34*z2)/(2*s12^2*s123*z34) - 
   (5*s24*s34*z2)/(2*s12^2*s124*z34) - (2*s24*s34*z2)/(s12*s123*s134*z34) + 
   (s24*s34*z2)/(s12*s124*s134*z34) + (2*s24*s34*z2)/(s12*s123*s234*z34) - 
   (4*s24*s34*z2)/(s12*s124*s234*z34) - (s34^2*z2)/(s12^2*s123*z34) - 
   (s34^2*z2)/(s12^2*s124*z34) - (2*s34^2*z2)/(s12*s123*s134*z34) + 
   (s34^2*z2)/(s12*s124*s134*z34) + (s34^2*z2)/(s12*s123*s234*z34) - 
   (2*s34^2*z2)/(s12*s124*s234*z34) + (4*z1^2*z2)/(s12*z12^2*z34) + 
   (6*s13*z1^2*z2)/(s12^2*z12^2*z34) + (6*s14*z1^2*z2)/(s12^2*z12^2*z34) + 
   (6*s23*z1^2*z2)/(s12^2*z12^2*z34) + (6*s24*z1^2*z2)/(s12^2*z12^2*z34) + 
   (2*s13*z1^2*z2)/(s12*s34*z12^2*z34) + (2*s13^2*z1^2*z2)/
    (s12^2*s34*z12^2*z34) + (2*s14*z1^2*z2)/(s12*s34*z12^2*z34) + 
   (4*s13*s14*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (2*s14^2*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (2*s23*z1^2*z2)/(s12*s34*z12^2*z34) + (4*s13*s23*z1^2*z2)/
    (s12^2*s34*z12^2*z34) + (4*s14*s23*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (2*s23^2*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (2*s24*z1^2*z2)/(s12*s34*z12^2*z34) + (4*s13*s24*z1^2*z2)/
    (s12^2*s34*z12^2*z34) + (4*s14*s24*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (4*s23*s24*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (2*s24^2*z1^2*z2)/(s12^2*s34*z12^2*z34) + 
   (4*s34*z1^2*z2)/(s12^2*z12^2*z34) - (2*z1*z2)/(s12*z12*z34) - 
   (3*s13*z1*z2)/(s12^2*z12*z34) + (s13*z1*z2)/(2*s12*s123*z12*z34) + 
   (s13*z1*z2)/(2*s12*s124*z12*z34) + (s13^2*z1*z2)/(2*s12^2*s123*z12*z34) + 
   (s13^2*z1*z2)/(2*s12^2*s124*z12*z34) - (3*z1*z2)/(s134*z12*z34) - 
   (5*s13*z1*z2)/(s12*s134*z12*z34) - (3*s14*z1*z2)/(s12^2*z12*z34) + 
   (s14*z1*z2)/(2*s12*s123*z12*z34) + (s14*z1*z2)/(2*s12*s124*z12*z34) + 
   (s13*s14*z1*z2)/(s12^2*s123*z12*z34) + (s13*s14*z1*z2)/
    (s12^2*s124*z12*z34) - (5*s14*z1*z2)/(s12*s134*z12*z34) + 
   (s14^2*z1*z2)/(2*s12^2*s123*z12*z34) + 
   (s14^2*z1*z2)/(2*s12^2*s124*z12*z34) - (3*s23*z1*z2)/(s12^2*z12*z34) + 
   (s23*z1*z2)/(2*s12*s123*z12*z34) + (s23*z1*z2)/(2*s12*s124*z12*z34) + 
   (s13*s23*z1*z2)/(s12^2*s123*z12*z34) + (s13*s23*z1*z2)/
    (s12^2*s124*z12*z34) - (4*s23*z1*z2)/(s12*s134*z12*z34) + 
   (s14*s23*z1*z2)/(s12^2*s123*z12*z34) + (s14*s23*z1*z2)/
    (s12^2*s124*z12*z34) + (s23^2*z1*z2)/(2*s12^2*s123*z12*z34) + 
   (s23^2*z1*z2)/(2*s12^2*s124*z12*z34) - (z1*z2)/(s234*z12*z34) - 
   (s13*z1*z2)/(s12*s234*z12*z34) - (s14*z1*z2)/(s12*s234*z12*z34) - 
   (2*s23*z1*z2)/(s12*s234*z12*z34) - (3*s24*z1*z2)/(s12^2*z12*z34) + 
   (s24*z1*z2)/(2*s12*s123*z12*z34) + (s24*z1*z2)/(2*s12*s124*z12*z34) + 
   (s13*s24*z1*z2)/(s12^2*s123*z12*z34) + (s13*s24*z1*z2)/
    (s12^2*s124*z12*z34) - (4*s24*z1*z2)/(s12*s134*z12*z34) + 
   (s14*s24*z1*z2)/(s12^2*s123*z12*z34) + (s14*s24*z1*z2)/
    (s12^2*s124*z12*z34) + (s23*s24*z1*z2)/(s12^2*s123*z12*z34) + 
   (s23*s24*z1*z2)/(s12^2*s124*z12*z34) - (2*s24*z1*z2)/(s12*s234*z12*z34) + 
   (s24^2*z1*z2)/(2*s12^2*s123*z12*z34) + 
   (s24^2*z1*z2)/(2*s12^2*s124*z12*z34) - (s13*z1*z2)/(s12*s34*z12*z34) - 
   (s13^2*z1*z2)/(s12^2*s34*z12*z34) - (2*s13*z1*z2)/(s134*s34*z12*z34) - 
   (2*s13^2*z1*z2)/(s12*s134*s34*z12*z34) - (s14*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s14*z1*z2)/(s12^2*s34*z12*z34) - (2*s14*z1*z2)/(s134*s34*z12*z34) - 
   (4*s13*s14*z1*z2)/(s12*s134*s34*z12*z34) - 
   (s14^2*z1*z2)/(s12^2*s34*z12*z34) - (2*s14^2*z1*z2)/
    (s12*s134*s34*z12*z34) - (s23*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s23*z1*z2)/(s12^2*s34*z12*z34) - (s23*z1*z2)/(s134*s34*z12*z34) - 
   (3*s13*s23*z1*z2)/(s12*s134*s34*z12*z34) - 
   (2*s14*s23*z1*z2)/(s12^2*s34*z12*z34) - (3*s14*s23*z1*z2)/
    (s12*s134*s34*z12*z34) - (s23^2*z1*z2)/(s12^2*s34*z12*z34) - 
   (s23^2*z1*z2)/(s12*s134*s34*z12*z34) - (s23*z1*z2)/(s234*s34*z12*z34) - 
   (s13*s23*z1*z2)/(s12*s234*s34*z12*z34) - (s14*s23*z1*z2)/
    (s12*s234*s34*z12*z34) - (s23^2*z1*z2)/(s12*s234*s34*z12*z34) - 
   (s24*z1*z2)/(s12*s34*z12*z34) - (2*s13*s24*z1*z2)/(s12^2*s34*z12*z34) - 
   (s24*z1*z2)/(s134*s34*z12*z34) - (3*s13*s24*z1*z2)/
    (s12*s134*s34*z12*z34) - (2*s14*s24*z1*z2)/(s12^2*s34*z12*z34) - 
   (3*s14*s24*z1*z2)/(s12*s134*s34*z12*z34) - 
   (2*s23*s24*z1*z2)/(s12^2*s34*z12*z34) - (2*s23*s24*z1*z2)/
    (s12*s134*s34*z12*z34) - (s24*z1*z2)/(s234*s34*z12*z34) - 
   (s13*s24*z1*z2)/(s12*s234*s34*z12*z34) - (s14*s24*z1*z2)/
    (s12*s234*s34*z12*z34) - (2*s23*s24*z1*z2)/(s12*s234*s34*z12*z34) - 
   (s24^2*z1*z2)/(s12^2*s34*z12*z34) - (s24^2*z1*z2)/(s12*s134*s34*z12*z34) - 
   (s24^2*z1*z2)/(s12*s234*s34*z12*z34) - (2*s34*z1*z2)/(s12^2*z12*z34) + 
   (s34*z1*z2)/(s12*s123*z12*z34) + (s34*z1*z2)/(s12*s124*z12*z34) + 
   (3*s13*s34*z1*z2)/(2*s12^2*s123*z12*z34) + 
   (3*s13*s34*z1*z2)/(2*s12^2*s124*z12*z34) - 
   (3*s34*z1*z2)/(s12*s134*z12*z34) + (3*s14*s34*z1*z2)/
    (2*s12^2*s123*z12*z34) + (3*s14*s34*z1*z2)/(2*s12^2*s124*z12*z34) + 
   (3*s23*s34*z1*z2)/(2*s12^2*s123*z12*z34) + 
   (3*s23*s34*z1*z2)/(2*s12^2*s124*z12*z34) - 
   (s34*z1*z2)/(s12*s234*z12*z34) + (3*s24*s34*z1*z2)/
    (2*s12^2*s123*z12*z34) + (3*s24*s34*z1*z2)/(2*s12^2*s124*z12*z34) + 
   (s34^2*z1*z2)/(s12^2*s123*z12*z34) + (s34^2*z1*z2)/(s12^2*s124*z12*z34) + 
   (4*z1*z2^2)/(s12*z12^2*z34) + (6*s13*z1*z2^2)/(s12^2*z12^2*z34) + 
   (6*s14*z1*z2^2)/(s12^2*z12^2*z34) + (6*s23*z1*z2^2)/(s12^2*z12^2*z34) + 
   (6*s24*z1*z2^2)/(s12^2*z12^2*z34) + (2*s13*z1*z2^2)/(s12*s34*z12^2*z34) + 
   (2*s13^2*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (2*s14*z1*z2^2)/(s12*s34*z12^2*z34) + (4*s13*s14*z1*z2^2)/
    (s12^2*s34*z12^2*z34) + (2*s14^2*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (2*s23*z1*z2^2)/(s12*s34*z12^2*z34) + (4*s13*s23*z1*z2^2)/
    (s12^2*s34*z12^2*z34) + (4*s14*s23*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (2*s23^2*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (2*s24*z1*z2^2)/(s12*s34*z12^2*z34) + (4*s13*s24*z1*z2^2)/
    (s12^2*s34*z12^2*z34) + (4*s14*s24*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (4*s23*s24*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (2*s24^2*z1*z2^2)/(s12^2*s34*z12^2*z34) + 
   (4*s34*z1*z2^2)/(s12^2*z12^2*z34) - (6*z2^2)/(s12*z12*z34) - 
   (9*s13*z2^2)/(s12^2*z12*z34) - (s13*z2^2)/(2*s12*s123*z12*z34) - 
   (s13*z2^2)/(2*s12*s124*z12*z34) - (s13^2*z2^2)/(2*s12^2*s123*z12*z34) - 
   (s13^2*z2^2)/(2*s12^2*s124*z12*z34) - z2^2/(s134*z12*z34) - 
   (2*s13*z2^2)/(s12*s134*z12*z34) - (9*s14*z2^2)/(s12^2*z12*z34) - 
   (s14*z2^2)/(2*s12*s123*z12*z34) - (s14*z2^2)/(2*s12*s124*z12*z34) - 
   (s13*s14*z2^2)/(s12^2*s123*z12*z34) - (s13*s14*z2^2)/
    (s12^2*s124*z12*z34) - (2*s14*z2^2)/(s12*s134*z12*z34) - 
   (s14^2*z2^2)/(2*s12^2*s123*z12*z34) - 
   (s14^2*z2^2)/(2*s12^2*s124*z12*z34) - (10*s23*z2^2)/(s12^2*z12*z34) - 
   (s23*z2^2)/(2*s12*s123*z12*z34) - (s23*z2^2)/(2*s12*s124*z12*z34) - 
   (s13*s23*z2^2)/(s12^2*s123*z12*z34) - (s13*s23*z2^2)/
    (s12^2*s124*z12*z34) - (s23*z2^2)/(s12*s134*z12*z34) - 
   (s14*s23*z2^2)/(s12^2*s123*z12*z34) - (s14*s23*z2^2)/
    (s12^2*s124*z12*z34) - (s23^2*z2^2)/(2*s12^2*s123*z12*z34) - 
   (s23^2*z2^2)/(2*s12^2*s124*z12*z34) - (3*z2^2)/(s234*z12*z34) - 
   (4*s13*z2^2)/(s12*s234*z12*z34) - (4*s14*z2^2)/(s12*s234*z12*z34) - 
   (5*s23*z2^2)/(s12*s234*z12*z34) - (10*s24*z2^2)/(s12^2*z12*z34) - 
   (s24*z2^2)/(2*s12*s123*z12*z34) - (s24*z2^2)/(2*s12*s124*z12*z34) - 
   (s13*s24*z2^2)/(s12^2*s123*z12*z34) - (s13*s24*z2^2)/
    (s12^2*s124*z12*z34) - (s24*z2^2)/(s12*s134*z12*z34) - 
   (s14*s24*z2^2)/(s12^2*s123*z12*z34) - (s14*s24*z2^2)/
    (s12^2*s124*z12*z34) - (s23*s24*z2^2)/(s12^2*s123*z12*z34) - 
   (s23*s24*z2^2)/(s12^2*s124*z12*z34) - (5*s24*z2^2)/(s12*s234*z12*z34) - 
   (s24^2*z2^2)/(2*s12^2*s123*z12*z34) - 
   (s24^2*z2^2)/(2*s12^2*s124*z12*z34) - (3*s13*z2^2)/(s12*s34*z12*z34) - 
   (3*s13^2*z2^2)/(s12^2*s34*z12*z34) - (s13*z2^2)/(s134*s34*z12*z34) - 
   (s13^2*z2^2)/(s12*s134*s34*z12*z34) - (3*s14*z2^2)/(s12*s34*z12*z34) - 
   (6*s13*s14*z2^2)/(s12^2*s34*z12*z34) - (s14*z2^2)/(s134*s34*z12*z34) - 
   (2*s13*s14*z2^2)/(s12*s134*s34*z12*z34) - 
   (3*s14^2*z2^2)/(s12^2*s34*z12*z34) - (s14^2*z2^2)/(s12*s134*s34*z12*z34) - 
   (4*s23*z2^2)/(s12*s34*z12*z34) - (7*s13*s23*z2^2)/(s12^2*s34*z12*z34) - 
   (s13*s23*z2^2)/(s12*s134*s34*z12*z34) - (7*s14*s23*z2^2)/
    (s12^2*s34*z12*z34) - (s14*s23*z2^2)/(s12*s134*s34*z12*z34) - 
   (4*s23^2*z2^2)/(s12^2*s34*z12*z34) - (s13*z2^2)/(s234*s34*z12*z34) - 
   (s13^2*z2^2)/(s12*s234*s34*z12*z34) - (s14*z2^2)/(s234*s34*z12*z34) - 
   (2*s13*s14*z2^2)/(s12*s234*s34*z12*z34) - 
   (s14^2*z2^2)/(s12*s234*s34*z12*z34) - (2*s23*z2^2)/(s234*s34*z12*z34) - 
   (3*s13*s23*z2^2)/(s12*s234*s34*z12*z34) - (3*s14*s23*z2^2)/
    (s12*s234*s34*z12*z34) - (2*s23^2*z2^2)/(s12*s234*s34*z12*z34) - 
   (4*s24*z2^2)/(s12*s34*z12*z34) - (7*s13*s24*z2^2)/(s12^2*s34*z12*z34) - 
   (s13*s24*z2^2)/(s12*s134*s34*z12*z34) - (7*s14*s24*z2^2)/
    (s12^2*s34*z12*z34) - (s14*s24*z2^2)/(s12*s134*s34*z12*z34) - 
   (8*s23*s24*z2^2)/(s12^2*s34*z12*z34) - (2*s24*z2^2)/(s234*s34*z12*z34) - 
   (3*s13*s24*z2^2)/(s12*s234*s34*z12*z34) - (3*s14*s24*z2^2)/
    (s12*s234*s34*z12*z34) - (4*s23*s24*z2^2)/(s12*s234*s34*z12*z34) - 
   (4*s24^2*z2^2)/(s12^2*s34*z12*z34) - (2*s24^2*z2^2)/
    (s12*s234*s34*z12*z34) - (6*s34*z2^2)/(s12^2*z12*z34) - 
   (s34*z2^2)/(s12*s123*z12*z34) - (s34*z2^2)/(s12*s124*z12*z34) - 
   (3*s13*s34*z2^2)/(2*s12^2*s123*z12*z34) - (3*s13*s34*z2^2)/
    (2*s12^2*s124*z12*z34) - (s34*z2^2)/(s12*s134*z12*z34) - 
   (3*s14*s34*z2^2)/(2*s12^2*s123*z12*z34) - (3*s14*s34*z2^2)/
    (2*s12^2*s124*z12*z34) - (3*s23*s34*z2^2)/(2*s12^2*s123*z12*z34) - 
   (3*s23*s34*z2^2)/(2*s12^2*s124*z12*z34) - 
   (3*s34*z2^2)/(s12*s234*z12*z34) - (3*s24*s34*z2^2)/
    (2*s12^2*s123*z12*z34) - (3*s24*s34*z2^2)/(2*s12^2*s124*z12*z34) - 
   (s34^2*z2^2)/(s12^2*s123*z12*z34) - (s34^2*z2^2)/(s12^2*s124*z12*z34) + 
   (2*s24*z3)/(s12^2*z34) + (s24*z3)/(s12*s123*z34) + 
   (s24*z3)/(s12*s124*z34) + (3*s13*s24*z3)/(2*s12^2*s123*z34) + 
   (3*s13*s24*z3)/(2*s12^2*s124*z34) + (2*s24*z3)/(s123*s134*z34) - 
   (s24*z3)/(s124*s134*z34) + (4*s13*s24*z3)/(s12*s123*s134*z34) - 
   (2*s13*s24*z3)/(s12*s124*s134*z34) + (3*s14*s24*z3)/(2*s12^2*s123*z34) + 
   (3*s14*s24*z3)/(2*s12^2*s124*z34) + (4*s14*s24*z3)/(s12*s123*s134*z34) - 
   (2*s14*s24*z3)/(s12*s124*s134*z34) + (5*s23*s24*z3)/(2*s12^2*s123*z34) + 
   (5*s23*s24*z3)/(2*s12^2*s124*z34) + (2*s23*s24*z3)/(s12*s123*s134*z34) - 
   (s23*s24*z3)/(s12*s124*s134*z34) + (2*s24*z3)/(s12*s234*z34) - 
   (s24*z3)/(s123*s234*z34) + (2*s24*z3)/(s124*s234*z34) - 
   (s13*s24*z3)/(s12*s123*s234*z34) + (2*s13*s24*z3)/(s12*s124*s234*z34) - 
   (s14*s24*z3)/(s12*s123*s234*z34) + (2*s14*s24*z3)/(s12*s124*s234*z34) - 
   (2*s23*s24*z3)/(s12*s123*s234*z34) + (4*s23*s24*z3)/(s12*s124*s234*z34) + 
   (5*s24^2*z3)/(2*s12^2*s123*z34) + (5*s24^2*z3)/(2*s12^2*s124*z34) + 
   (2*s24^2*z3)/(s12*s123*s134*z34) - (s24^2*z3)/(s12*s124*s134*z34) - 
   (2*s24^2*z3)/(s12*s123*s234*z34) + (4*s24^2*z3)/(s12*s124*s234*z34) + 
   (s14*s23*z3)/(s12*s34^2*z34) + (s13*s14*s23*z3)/(s12^2*s34^2*z34) + 
   (s14*s23*z3)/(s134*s34^2*z34) + (s13*s14*s23*z3)/(s12*s134*s34^2*z34) + 
   (s14^2*s23*z3)/(s12^2*s34^2*z34) + (s14^2*s23*z3)/(s12*s134*s34^2*z34) + 
   (s14*s23^2*z3)/(s12^2*s34^2*z34) + (s14*s23^2*z3)/(s12*s134*s34^2*z34) + 
   (s13*s24*z3)/(s12*s34^2*z34) + (s13^2*s24*z3)/(s12^2*s34^2*z34) + 
   (s13*s24*z3)/(s134*s34^2*z34) + (s13^2*s24*z3)/(s12*s134*s34^2*z34) + 
   (2*s14*s24*z3)/(s12*s34^2*z34) + (3*s13*s14*s24*z3)/(s12^2*s34^2*z34) + 
   (2*s14*s24*z3)/(s134*s34^2*z34) + (3*s13*s14*s24*z3)/
    (s12*s134*s34^2*z34) + (2*s14^2*s24*z3)/(s12^2*s34^2*z34) + 
   (2*s14^2*s24*z3)/(s12*s134*s34^2*z34) + (4*s23*s24*z3)/(s12*s34^2*z34) + 
   (5*s13*s23*s24*z3)/(s12^2*s34^2*z34) + (s13*s23*s24*z3)/
    (s12*s134*s34^2*z34) + (7*s14*s23*s24*z3)/(s12^2*s34^2*z34) + 
   (3*s14*s23*s24*z3)/(s12*s134*s34^2*z34) + (4*s23^2*s24*z3)/
    (s12^2*s34^2*z34) + (2*s23*s24*z3)/(s234*s34^2*z34) + 
   (2*s13*s23*s24*z3)/(s12*s234*s34^2*z34) + (2*s14*s23*s24*z3)/
    (s12*s234*s34^2*z34) + (2*s23^2*s24*z3)/(s12*s234*s34^2*z34) + 
   (4*s24^2*z3)/(s12*s34^2*z34) + (5*s13*s24^2*z3)/(s12^2*s34^2*z34) + 
   (s13*s24^2*z3)/(s12*s134*s34^2*z34) + (6*s14*s24^2*z3)/(s12^2*s34^2*z34) + 
   (2*s14*s24^2*z3)/(s12*s134*s34^2*z34) + (8*s23*s24^2*z3)/
    (s12^2*s34^2*z34) + (2*s24^2*z3)/(s234*s34^2*z34) + 
   (2*s13*s24^2*z3)/(s12*s234*s34^2*z34) + (2*s14*s24^2*z3)/
    (s12*s234*s34^2*z34) + (4*s23*s24^2*z3)/(s12*s234*s34^2*z34) + 
   (4*s24^3*z3)/(s12^2*s34^2*z34) + (2*s24^3*z3)/(s12*s234*s34^2*z34) + 
   (s14*s23*z3)/(s12^2*s34*z34) + (s14*s23*z3)/(s12*s134*s34*z34) + 
   (2*s24*z3)/(s12*s34*z34) + (3*s13*s24*z3)/(s12^2*s34*z34) + 
   (s13*s24*z3)/(2*s12*s123*s34*z34) + (s13*s24*z3)/(2*s12*s124*s34*z34) + 
   (s13^2*s24*z3)/(2*s12^2*s123*s34*z34) + 
   (s13^2*s24*z3)/(2*s12^2*s124*s34*z34) + (s13*s24*z3)/(s12*s134*s34*z34) + 
   (2*s13*s24*z3)/(s123*s134*s34*z34) - (s13*s24*z3)/(s124*s134*s34*z34) + 
   (2*s13^2*s24*z3)/(s12*s123*s134*s34*z34) - 
   (s13^2*s24*z3)/(s12*s124*s134*s34*z34) + (4*s14*s24*z3)/(s12^2*s34*z34) + 
   (s14*s24*z3)/(2*s12*s123*s34*z34) + (s14*s24*z3)/(2*s12*s124*s34*z34) + 
   (s13*s14*s24*z3)/(s12^2*s123*s34*z34) + (s13*s14*s24*z3)/
    (s12^2*s124*s34*z34) + (2*s14*s24*z3)/(s12*s134*s34*z34) + 
   (2*s14*s24*z3)/(s123*s134*s34*z34) - (s14*s24*z3)/(s124*s134*s34*z34) + 
   (4*s13*s14*s24*z3)/(s12*s123*s134*s34*z34) - 
   (2*s13*s14*s24*z3)/(s12*s124*s134*s34*z34) + 
   (s14^2*s24*z3)/(2*s12^2*s123*s34*z34) + 
   (s14^2*s24*z3)/(2*s12^2*s124*s34*z34) + (2*s14^2*s24*z3)/
    (s12*s123*s134*s34*z34) - (s14^2*s24*z3)/(s12*s124*s134*s34*z34) + 
   (6*s23*s24*z3)/(s12^2*s34*z34) + (3*s23*s24*z3)/(2*s12*s123*s34*z34) + 
   (3*s23*s24*z3)/(2*s12*s124*s34*z34) + (2*s13*s23*s24*z3)/
    (s12^2*s123*s34*z34) + (2*s13*s23*s24*z3)/(s12^2*s124*s34*z34) + 
   (2*s13*s23*s24*z3)/(s12*s123*s134*s34*z34) - 
   (s13*s23*s24*z3)/(s12*s124*s134*s34*z34) + (2*s14*s23*s24*z3)/
    (s12^2*s123*s34*z34) + (2*s14*s23*s24*z3)/(s12^2*s124*s34*z34) + 
   (2*s14*s23*s24*z3)/(s12*s123*s134*s34*z34) - 
   (s14*s23*s24*z3)/(s12*s124*s134*s34*z34) + 
   (3*s23^2*s24*z3)/(2*s12^2*s123*s34*z34) + (3*s23^2*s24*z3)/
    (2*s12^2*s124*s34*z34) + (2*s24*z3)/(s234*s34*z34) + 
   (2*s13*s24*z3)/(s12*s234*s34*z34) + (2*s14*s24*z3)/(s12*s234*s34*z34) + 
   (4*s23*s24*z3)/(s12*s234*s34*z34) - (s23*s24*z3)/(s123*s234*s34*z34) + 
   (2*s23*s24*z3)/(s124*s234*s34*z34) - (s13*s23*s24*z3)/
    (s12*s123*s234*s34*z34) + (2*s13*s23*s24*z3)/(s12*s124*s234*s34*z34) - 
   (s14*s23*s24*z3)/(s12*s123*s234*s34*z34) + (2*s14*s23*s24*z3)/
    (s12*s124*s234*s34*z34) - (s23^2*s24*z3)/(s12*s123*s234*s34*z34) + 
   (2*s23^2*s24*z3)/(s12*s124*s234*s34*z34) + (6*s24^2*z3)/(s12^2*s34*z34) + 
   (3*s24^2*z3)/(2*s12*s123*s34*z34) + (3*s24^2*z3)/(2*s12*s124*s34*z34) + 
   (2*s13*s24^2*z3)/(s12^2*s123*s34*z34) + (2*s13*s24^2*z3)/
    (s12^2*s124*s34*z34) + (2*s13*s24^2*z3)/(s12*s123*s134*s34*z34) - 
   (s13*s24^2*z3)/(s12*s124*s134*s34*z34) + (2*s14*s24^2*z3)/
    (s12^2*s123*s34*z34) + (2*s14*s24^2*z3)/(s12^2*s124*s34*z34) + 
   (2*s14*s24^2*z3)/(s12*s123*s134*s34*z34) - 
   (s14*s24^2*z3)/(s12*s124*s134*s34*z34) + (3*s23*s24^2*z3)/
    (s12^2*s123*s34*z34) + (3*s23*s24^2*z3)/(s12^2*s124*s34*z34) + 
   (4*s24^2*z3)/(s12*s234*s34*z34) - (s24^2*z3)/(s123*s234*s34*z34) + 
   (2*s24^2*z3)/(s124*s234*s34*z34) - (s13*s24^2*z3)/
    (s12*s123*s234*s34*z34) + (2*s13*s24^2*z3)/(s12*s124*s234*s34*z34) - 
   (s14*s24^2*z3)/(s12*s123*s234*s34*z34) + (2*s14*s24^2*z3)/
    (s12*s124*s234*s34*z34) - (2*s23*s24^2*z3)/(s12*s123*s234*s34*z34) + 
   (4*s23*s24^2*z3)/(s12*s124*s234*s34*z34) + 
   (3*s24^3*z3)/(2*s12^2*s123*s34*z34) + 
   (3*s24^3*z3)/(2*s12^2*s124*s34*z34) - (s24^3*z3)/(s12*s123*s234*s34*z34) + 
   (2*s24^3*z3)/(s12*s124*s234*s34*z34) + (s24*s34*z3)/(s12^2*s123*z34) + 
   (s24*s34*z3)/(s12^2*s124*z34) + (2*s24*s34*z3)/(s12*s123*s134*z34) - 
   (s24*s34*z3)/(s12*s124*s134*z34) - (s24*s34*z3)/(s12*s123*s234*z34) + 
   (2*s24*s34*z3)/(s12*s124*s234*z34) - (z1*z3)/(s12*z12*z34) - 
   (2*s24*z1*z3)/(s12^2*z12*z34) - (s24*z1*z3)/(s12*s123*z12*z34) - 
   (s24*z1*z3)/(s12*s124*z12*z34) - (3*s13*s24*z1*z3)/
    (2*s12^2*s123*z12*z34) - (3*s13*s24*z1*z3)/(2*s12^2*s124*z12*z34) - 
   (3*s14*s24*z1*z3)/(2*s12^2*s123*z12*z34) - 
   (3*s14*s24*z1*z3)/(2*s12^2*s124*z12*z34) - 
   (3*s23*s24*z1*z3)/(2*s12^2*s123*z12*z34) - 
   (3*s23*s24*z1*z3)/(2*s12^2*s124*z12*z34) - 
   (3*s24^2*z1*z3)/(2*s12^2*s123*z12*z34) - (3*s24^2*z1*z3)/
    (2*s12^2*s124*z12*z34) - (s14*s23*z1*z3)/(s12*s34^2*z12*z34) - 
   (s13*s14*s23*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s14^2*s23*z1*z3)/(s12^2*s34^2*z12*z34) - (s14*s23^2*z1*z3)/
    (s12^2*s34^2*z12*z34) - (s13*s24*z1*z3)/(s12*s34^2*z12*z34) - 
   (s13^2*s24*z1*z3)/(s12^2*s34^2*z12*z34) - (2*s14*s24*z1*z3)/
    (s12*s34^2*z12*z34) - (3*s13*s14*s24*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (2*s14^2*s24*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (2*s23*s24*z1*z3)/(s12*s34^2*z12*z34) - (3*s13*s23*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) - (5*s14*s23*s24*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (2*s23^2*s24*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (2*s24^2*z1*z3)/(s12*s34^2*z12*z34) - (3*s13*s24^2*z1*z3)/
    (s12^2*s34^2*z12*z34) - (4*s14*s24^2*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (4*s23*s24^2*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (2*s24^3*z1*z3)/(s12^2*s34^2*z12*z34) - (z1*z3)/(s34*z12*z34) - 
   (s13*z1*z3)/(s12*s34*z12*z34) - (s14*z1*z3)/(s12*s34*z12*z34) - 
   (s23*z1*z3)/(s12*s34*z12*z34) - (s14*s23*z1*z3)/(s12^2*s34*z12*z34) - 
   (3*s24*z1*z3)/(s12*s34*z12*z34) - (3*s13*s24*z1*z3)/(s12^2*s34*z12*z34) - 
   (s13*s24*z1*z3)/(2*s12*s123*s34*z12*z34) - 
   (s13*s24*z1*z3)/(2*s12*s124*s34*z12*z34) - 
   (s13^2*s24*z1*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z1*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (4*s14*s24*z1*z3)/(s12^2*s34*z12*z34) - (s14*s24*z1*z3)/
    (2*s12*s123*s34*z12*z34) - (s14*s24*z1*z3)/(2*s12*s124*s34*z12*z34) - 
   (s13*s14*s24*z1*z3)/(s12^2*s123*s34*z12*z34) - 
   (s13*s14*s24*z1*z3)/(s12^2*s124*s34*z12*z34) - 
   (s14^2*s24*z1*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s14^2*s24*z1*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (4*s23*s24*z1*z3)/(s12^2*s34*z12*z34) - (s23*s24*z1*z3)/
    (2*s12*s123*s34*z12*z34) - (s23*s24*z1*z3)/(2*s12*s124*s34*z12*z34) - 
   (s13*s23*s24*z1*z3)/(s12^2*s123*s34*z12*z34) - 
   (s13*s23*s24*z1*z3)/(s12^2*s124*s34*z12*z34) - 
   (s14*s23*s24*z1*z3)/(s12^2*s123*s34*z12*z34) - 
   (s14*s23*s24*z1*z3)/(s12^2*s124*s34*z12*z34) - 
   (s23^2*s24*z1*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s23^2*s24*z1*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (4*s24^2*z1*z3)/(s12^2*s34*z12*z34) - (s24^2*z1*z3)/
    (2*s12*s123*s34*z12*z34) - (s24^2*z1*z3)/(2*s12*s124*s34*z12*z34) - 
   (s13*s24^2*z1*z3)/(s12^2*s123*s34*z12*z34) - 
   (s13*s24^2*z1*z3)/(s12^2*s124*s34*z12*z34) - 
   (s14*s24^2*z1*z3)/(s12^2*s123*s34*z12*z34) - 
   (s14*s24^2*z1*z3)/(s12^2*s124*s34*z12*z34) - 
   (s23*s24^2*z1*z3)/(s12^2*s123*s34*z12*z34) - 
   (s23*s24^2*z1*z3)/(s12^2*s124*s34*z12*z34) - 
   (s24^3*z1*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s24^3*z1*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (s24*s34*z1*z3)/(s12^2*s123*z12*z34) - (s24*s34*z1*z3)/
    (s12^2*s124*z12*z34) - (4*s14*z1*z2*z3)/(s12^2*z12^2*z34) - 
   (4*s24*z1*z2*z3)/(s12^2*z12^2*z34) - (2*s13*s14*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) - (2*s13^2*s14*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (2*s14^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (4*s13*s14^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s14^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (2*s14*s23*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (4*s13*s14*s23*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (4*s14^2*s23*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s14*s23^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s13*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) - 
   (2*s13^2*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (4*s14*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (8*s13*s14*s24*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (6*s14^2*s24*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s23*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) - 
   (4*s13*s23*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (8*s14*s23*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (2*s23^2*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (2*s24^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (4*s13*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (6*s14*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (4*s23*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s24^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (4*s14*z1*z2*z3)/(s12*s34*z12^2*z34) - (6*s13*s14*z1*z2*z3)/
    (s12^2*s34*z12^2*z34) - (6*s14^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (6*s14*s23*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (4*s24*z1*z2*z3)/(s12*s34*z12^2*z34) - (6*s13*s24*z1*z2*z3)/
    (s12^2*s34*z12^2*z34) - (12*s14*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (6*s23*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (6*s24^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) - (z2*z3)/(s12*z12*z34) + 
   (z2*z3)/(s134*z12*z34) + (3*s13*z2*z3)/(2*s12*s134*z12*z34) + 
   (4*s14*z2*z3)/(s12^2*z12*z34) + (9*s14*z2*z3)/(2*s12*s134*z12*z34) + 
   (3*s23*z2*z3)/(2*s12*s134*z12*z34) - (z2*z3)/(s234*z12*z34) - 
   (3*s13*z2*z3)/(2*s12*s234*z12*z34) - (s14*z2*z3)/(2*s12*s234*z12*z34) - 
   (3*s23*z2*z3)/(2*s12*s234*z12*z34) + (6*s24*z2*z3)/(s12^2*z12*z34) + 
   (s24*z2*z3)/(s12*s123*z12*z34) + (s24*z2*z3)/(s12*s124*z12*z34) + 
   (3*s13*s24*z2*z3)/(2*s12^2*s123*z12*z34) + 
   (3*s13*s24*z2*z3)/(2*s12^2*s124*z12*z34) + 
   (5*s24*z2*z3)/(2*s12*s134*z12*z34) + (3*s14*s24*z2*z3)/
    (2*s12^2*s123*z12*z34) + (3*s14*s24*z2*z3)/(2*s12^2*s124*z12*z34) + 
   (3*s23*s24*z2*z3)/(2*s12^2*s123*z12*z34) + 
   (3*s23*s24*z2*z3)/(2*s12^2*s124*z12*z34) + 
   (3*s24*z2*z3)/(2*s12*s234*z12*z34) + (3*s24^2*z2*z3)/
    (2*s12^2*s123*z12*z34) + (3*s24^2*z2*z3)/(2*s12^2*s124*z12*z34) + 
   (2*s13*s14*z2*z3)/(s12*s34^2*z12*z34) + (2*s13^2*s14*z2*z3)/
    (s12^2*s34^2*z12*z34) + (2*s13*s14*z2*z3)/(s134*s34^2*z12*z34) + 
   (2*s13^2*s14*z2*z3)/(s12*s134*s34^2*z12*z34) + 
   (2*s14^2*z2*z3)/(s12*s34^2*z12*z34) + (4*s13*s14^2*z2*z3)/
    (s12^2*s34^2*z12*z34) + (2*s14^2*z2*z3)/(s134*s34^2*z12*z34) + 
   (4*s13*s14^2*z2*z3)/(s12*s134*s34^2*z12*z34) + 
   (2*s14^3*z2*z3)/(s12^2*s34^2*z12*z34) + (2*s14^3*z2*z3)/
    (s12*s134*s34^2*z12*z34) + (3*s14*s23*z2*z3)/(s12*s34^2*z12*z34) + 
   (5*s13*s14*s23*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s14*s23*z2*z3)/(s134*s34^2*z12*z34) + (3*s13*s14*s23*z2*z3)/
    (s12*s134*s34^2*z12*z34) + (5*s14^2*s23*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (3*s14^2*s23*z2*z3)/(s12*s134*s34^2*z12*z34) + 
   (3*s14*s23^2*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s14*s23^2*z2*z3)/(s12*s134*s34^2*z12*z34) + 
   (s14*s23*z2*z3)/(s234*s34^2*z12*z34) + (s13*s14*s23*z2*z3)/
    (s12*s234*s34^2*z12*z34) + (s14^2*s23*z2*z3)/(s12*s234*s34^2*z12*z34) + 
   (s14*s23^2*z2*z3)/(s12*s234*s34^2*z12*z34) + 
   (3*s13*s24*z2*z3)/(s12*s34^2*z12*z34) + (3*s13^2*s24*z2*z3)/
    (s12^2*s34^2*z12*z34) + (s13*s24*z2*z3)/(s134*s34^2*z12*z34) + 
   (s13^2*s24*z2*z3)/(s12*s134*s34^2*z12*z34) + 
   (6*s14*s24*z2*z3)/(s12*s34^2*z12*z34) + (11*s13*s14*s24*z2*z3)/
    (s12^2*s34^2*z12*z34) + (2*s14*s24*z2*z3)/(s134*s34^2*z12*z34) + 
   (5*s13*s14*s24*z2*z3)/(s12*s134*s34^2*z12*z34) + 
   (8*s14^2*s24*z2*z3)/(s12^2*s34^2*z12*z34) + (4*s14^2*s24*z2*z3)/
    (s12*s134*s34^2*z12*z34) + (4*s23*s24*z2*z3)/(s12*s34^2*z12*z34) + 
   (7*s13*s23*s24*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s13*s23*s24*z2*z3)/(s12*s134*s34^2*z12*z34) + 
   (13*s14*s23*s24*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (3*s14*s23*s24*z2*z3)/(s12*s134*s34^2*z12*z34) + 
   (4*s23^2*s24*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s13*s24*z2*z3)/(s234*s34^2*z12*z34) + (s13^2*s24*z2*z3)/
    (s12*s234*s34^2*z12*z34) + (2*s14*s24*z2*z3)/(s234*s34^2*z12*z34) + 
   (3*s13*s14*s24*z2*z3)/(s12*s234*s34^2*z12*z34) + 
   (2*s14^2*s24*z2*z3)/(s12*s234*s34^2*z12*z34) + 
   (2*s23*s24*z2*z3)/(s234*s34^2*z12*z34) + (3*s13*s23*s24*z2*z3)/
    (s12*s234*s34^2*z12*z34) + (5*s14*s23*s24*z2*z3)/
    (s12*s234*s34^2*z12*z34) + (2*s23^2*s24*z2*z3)/(s12*s234*s34^2*z12*z34) + 
   (4*s24^2*z2*z3)/(s12*s34^2*z12*z34) + (7*s13*s24^2*z2*z3)/
    (s12^2*s34^2*z12*z34) + (s13*s24^2*z2*z3)/(s12*s134*s34^2*z12*z34) + 
   (10*s14*s24^2*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (2*s14*s24^2*z2*z3)/(s12*s134*s34^2*z12*z34) + 
   (8*s23*s24^2*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (2*s24^2*z2*z3)/(s234*s34^2*z12*z34) + (3*s13*s24^2*z2*z3)/
    (s12*s234*s34^2*z12*z34) + (4*s14*s24^2*z2*z3)/(s12*s234*s34^2*z12*z34) + 
   (4*s23*s24^2*z2*z3)/(s12*s234*s34^2*z12*z34) + 
   (4*s24^3*z2*z3)/(s12^2*s34^2*z12*z34) + (2*s24^3*z2*z3)/
    (s12*s234*s34^2*z12*z34) - (z2*z3)/(s34*z12*z34) - 
   (s13*z2*z3)/(s12*s34*z12*z34) + (s13*z2*z3)/(2*s134*s34*z12*z34) + 
   (s13^2*z2*z3)/(2*s12*s134*s34*z12*z34) + (3*s14*z2*z3)/(s12*s34*z12*z34) + 
   (6*s13*s14*z2*z3)/(s12^2*s34*z12*z34) + 
   (7*s14*z2*z3)/(2*s134*s34*z12*z34) + (6*s13*s14*z2*z3)/
    (s12*s134*s34*z12*z34) + (6*s14^2*z2*z3)/(s12^2*s34*z12*z34) + 
   (11*s14^2*z2*z3)/(2*s12*s134*s34*z12*z34) - 
   (s23*z2*z3)/(s12*s34*z12*z34) + (s23*z2*z3)/(2*s134*s34*z12*z34) + 
   (s13*s23*z2*z3)/(s12*s134*s34*z12*z34) + (7*s14*s23*z2*z3)/
    (s12^2*s34*z12*z34) + (5*s14*s23*z2*z3)/(s12*s134*s34*z12*z34) + 
   (s23^2*z2*z3)/(2*s12*s134*s34*z12*z34) - 
   (s13*z2*z3)/(2*s234*s34*z12*z34) - (s13^2*z2*z3)/
    (2*s12*s234*s34*z12*z34) + (s14*z2*z3)/(2*s234*s34*z12*z34) + 
   (s14^2*z2*z3)/(2*s12*s234*s34*z12*z34) - 
   (s23*z2*z3)/(2*s234*s34*z12*z34) - (s13*s23*z2*z3)/
    (s12*s234*s34*z12*z34) + (s14*s23*z2*z3)/(s12*s234*s34*z12*z34) - 
   (s23^2*z2*z3)/(2*s12*s234*s34*z12*z34) + (5*s24*z2*z3)/(s12*s34*z12*z34) + 
   (9*s13*s24*z2*z3)/(s12^2*s34*z12*z34) + (s13*s24*z2*z3)/
    (2*s12*s123*s34*z12*z34) + (s13*s24*z2*z3)/(2*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s24*z2*z3)/(2*s134*s34*z12*z34) + (3*s13*s24*z2*z3)/
    (s12*s134*s34*z12*z34) + (16*s14*s24*z2*z3)/(s12^2*s34*z12*z34) + 
   (s14*s24*z2*z3)/(2*s12*s123*s34*z12*z34) + 
   (s14*s24*z2*z3)/(2*s12*s124*s34*z12*z34) + (s13*s14*s24*z2*z3)/
    (s12^2*s123*s34*z12*z34) + (s13*s14*s24*z2*z3)/(s12^2*s124*s34*z12*z34) + 
   (7*s14*s24*z2*z3)/(s12*s134*s34*z12*z34) + 
   (s14^2*s24*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s24*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (10*s23*s24*z2*z3)/(s12^2*s34*z12*z34) + (s23*s24*z2*z3)/
    (2*s12*s123*s34*z12*z34) + (s23*s24*z2*z3)/(2*s12*s124*s34*z12*z34) + 
   (s13*s23*s24*z2*z3)/(s12^2*s123*s34*z12*z34) + 
   (s13*s23*s24*z2*z3)/(s12^2*s124*s34*z12*z34) + 
   (2*s23*s24*z2*z3)/(s12*s134*s34*z12*z34) + (s14*s23*s24*z2*z3)/
    (s12^2*s123*s34*z12*z34) + (s14*s23*s24*z2*z3)/(s12^2*s124*s34*z12*z34) + 
   (s23^2*s24*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s23^2*s24*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (5*s24*z2*z3)/(2*s234*s34*z12*z34) + (3*s13*s24*z2*z3)/
    (s12*s234*s34*z12*z34) + (5*s14*s24*z2*z3)/(s12*s234*s34*z12*z34) + 
   (4*s23*s24*z2*z3)/(s12*s234*s34*z12*z34) + 
   (10*s24^2*z2*z3)/(s12^2*s34*z12*z34) + 
   (s24^2*z2*z3)/(2*s12*s123*s34*z12*z34) + 
   (s24^2*z2*z3)/(2*s12*s124*s34*z12*z34) + (s13*s24^2*z2*z3)/
    (s12^2*s123*s34*z12*z34) + (s13*s24^2*z2*z3)/(s12^2*s124*s34*z12*z34) + 
   (3*s24^2*z2*z3)/(2*s12*s134*s34*z12*z34) + 
   (s14*s24^2*z2*z3)/(s12^2*s123*s34*z12*z34) + 
   (s14*s24^2*z2*z3)/(s12^2*s124*s34*z12*z34) + 
   (s23*s24^2*z2*z3)/(s12^2*s123*s34*z12*z34) + 
   (s23*s24^2*z2*z3)/(s12^2*s124*s34*z12*z34) + 
   (9*s24^2*z2*z3)/(2*s12*s234*s34*z12*z34) + 
   (s24^3*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s24^3*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s34*z2*z3)/(s12*s134*z12*z34) - (s34*z2*z3)/(s12*s234*z12*z34) + 
   (s24*s34*z2*z3)/(s12^2*s123*z12*z34) + (s24*s34*z2*z3)/
    (s12^2*s124*z12*z34) - (s24*z3^2)/(s12*s134*z12*z34) + 
   (s24*z3^2)/(s12*s234*z12*z34) + (s14*z3^2)/(s34^2*z12*z34) + 
   (s13*s14*z3^2)/(s12*s34^2*z12*z34) + (s14^2*z3^2)/(s12*s34^2*z12*z34) + 
   (s14*s23*z3^2)/(s12*s34^2*z12*z34) + (s24*z3^2)/(s34^2*z12*z34) + 
   (s13*s24*z3^2)/(s12*s34^2*z12*z34) - (s13*s24*z3^2)/
    (2*s134*s34^2*z12*z34) - (s13^2*s24*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (2*s14*s24*z3^2)/(s12*s34^2*z12*z34) - (s14*s24*z3^2)/
    (2*s134*s34^2*z12*z34) - (s13*s14*s24*z3^2)/(s12*s134*s34^2*z12*z34) - 
   (s14^2*s24*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s23*s24*z3^2)/(s12*s34^2*z12*z34) - (s23*s24*z3^2)/
    (2*s134*s34^2*z12*z34) - (s13*s23*s24*z3^2)/(s12*s134*s34^2*z12*z34) - 
   (s14*s23*s24*z3^2)/(s12*s134*s34^2*z12*z34) - 
   (s23^2*s24*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s13*s24*z3^2)/(2*s234*s34^2*z12*z34) + (s13^2*s24*z3^2)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s24*z3^2)/(2*s234*s34^2*z12*z34) + 
   (s13*s14*s24*z3^2)/(s12*s234*s34^2*z12*z34) + 
   (s14^2*s24*z3^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s23*s24*z3^2)/(2*s234*s34^2*z12*z34) + (s13*s23*s24*z3^2)/
    (s12*s234*s34^2*z12*z34) + (s14*s23*s24*z3^2)/(s12*s234*s34^2*z12*z34) + 
   (s23^2*s24*z3^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s24^2*z3^2)/(s12*s34^2*z12*z34) - (s24^2*z3^2)/(2*s134*s34^2*z12*z34) - 
   (s13*s24^2*z3^2)/(s12*s134*s34^2*z12*z34) - 
   (s14*s24^2*z3^2)/(s12*s134*s34^2*z12*z34) - 
   (s23*s24^2*z3^2)/(s12*s134*s34^2*z12*z34) + 
   (s24^2*z3^2)/(2*s234*s34^2*z12*z34) + (s13*s24^2*z3^2)/
    (s12*s234*s34^2*z12*z34) + (s14*s24^2*z3^2)/(s12*s234*s34^2*z12*z34) + 
   (s23*s24^2*z3^2)/(s12*s234*s34^2*z12*z34) - 
   (s24^3*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s24^3*z3^2)/(2*s12*s234*s34^2*z12*z34) + (s14*z3^2)/(s12*s34*z12*z34) + 
   (s24*z3^2)/(s12*s34*z12*z34) - (s24*z3^2)/(s134*s34*z12*z34) - 
   (3*s13*s24*z3^2)/(2*s12*s134*s34*z12*z34) - 
   (3*s14*s24*z3^2)/(2*s12*s134*s34*z12*z34) - 
   (3*s23*s24*z3^2)/(2*s12*s134*s34*z12*z34) + 
   (s24*z3^2)/(s234*s34*z12*z34) + (3*s13*s24*z3^2)/
    (2*s12*s234*s34*z12*z34) + (3*s14*s24*z3^2)/(2*s12*s234*s34*z12*z34) + 
   (3*s23*s24*z3^2)/(2*s12*s234*s34*z12*z34) - 
   (3*s24^2*z3^2)/(2*s12*s134*s34*z12*z34) + 
   (3*s24^2*z3^2)/(2*s12*s234*s34*z12*z34) + (2*z4)/(s12*z12) + 
   z4/(s124*z12) - (s13*z4)/(s12*s123*z12) + (s13*z4)/(s12*s124*z12) + 
   (s14*z4)/(s12*s124*z12) - (s23*z4)/(s12*s123*z12) + 
   (s23*z4)/(s12*s124*z12) + z4/(s234*z12) + (s24*z4)/(s12*s124*z12) - 
   (s13*z4)/(s34^2*z12) - (s13^2*z4)/(s12*s34^2*z12) - 
   (s13*s14*z4)/(s12*s34^2*z12) - (s23*z4)/(s34^2*z12) - 
   (2*s13*s23*z4)/(s12*s34^2*z12) - (s13*s23*z4)/(2*s134*s34^2*z12) - 
   (s13^2*s23*z4)/(2*s12*s134*s34^2*z12) - (s14*s23*z4)/(s12*s34^2*z12) + 
   (s14*s23*z4)/(2*s134*s34^2*z12) + (s14^2*s23*z4)/(2*s12*s134*s34^2*z12) - 
   (s23^2*z4)/(s12*s34^2*z12) - (s23^2*z4)/(2*s134*s34^2*z12) - 
   (s13*s23^2*z4)/(s12*s134*s34^2*z12) - (s23^3*z4)/(2*s12*s134*s34^2*z12) + 
   (s13*s23*z4)/(2*s234*s34^2*z12) + (s13^2*s23*z4)/(2*s12*s234*s34^2*z12) - 
   (s14*s23*z4)/(2*s234*s34^2*z12) - (s14^2*s23*z4)/(2*s12*s234*s34^2*z12) + 
   (s23^2*z4)/(2*s234*s34^2*z12) + (s13*s23^2*z4)/(s12*s234*s34^2*z12) + 
   (s23^3*z4)/(2*s12*s234*s34^2*z12) - (s13*s24*z4)/(s12*s34^2*z12) - 
   (s23*s24*z4)/(s12*s34^2*z12) + (s23*s24*z4)/(2*s134*s34^2*z12) + 
   (s14*s23*s24*z4)/(s12*s134*s34^2*z12) - (s23*s24*z4)/(2*s234*s34^2*z12) - 
   (s14*s23*s24*z4)/(s12*s234*s34^2*z12) + 
   (s23*s24^2*z4)/(2*s12*s134*s34^2*z12) - 
   (s23*s24^2*z4)/(2*s12*s234*s34^2*z12) + (2*z4)/(s34*z12) + 
   (s13*z4)/(s12*s34*z12) - (s13*z4)/(s123*s34*z12) - 
   (s13^2*z4)/(s12*s123*s34*z12) + (2*s14*z4)/(s12*s34*z12) - 
   (s13*s14*z4)/(s12*s123*s34*z12) + (s23*z4)/(s12*s34*z12) - 
   (s23*z4)/(s123*s34*z12) - (2*s13*s23*z4)/(s12*s123*s34*z12) - 
   (s13*s23*z4)/(2*s12*s134*s34*z12) - (s14*s23*z4)/(s12*s123*s34*z12) + 
   (s14*s23*z4)/(2*s12*s134*s34*z12) - (s23^2*z4)/(s12*s123*s34*z12) - 
   (s23^2*z4)/(2*s12*s134*s34*z12) + (s12*z4)/(s234*s34*z12) + 
   (s13*z4)/(s234*s34*z12) + (s14*z4)/(s234*s34*z12) + 
   (s23*z4)/(s234*s34*z12) + (s13*s23*z4)/(2*s12*s234*s34*z12) - 
   (s14*s23*z4)/(2*s12*s234*s34*z12) + (s23^2*z4)/(2*s12*s234*s34*z12) + 
   (2*s24*z4)/(s12*s34*z12) - (s13*s24*z4)/(s12*s123*s34*z12) - 
   (s23*s24*z4)/(s12*s123*s34*z12) + (s23*s24*z4)/(2*s12*s134*s34*z12) + 
   (s24*z4)/(s234*s34*z12) - (s23*s24*z4)/(2*s12*s234*s34*z12) + 
   (s34*z4)/(s12*s124*z12) - (2*z3*z4)/(s12*z34^2) - 
   (4*s23*z3*z4)/(s12^2*z34^2) - (2*s23*z3*z4)/(s12*s134*z34^2) - 
   (2*s23*z3*z4)/(s12*s234*z34^2) - (4*s24*z3*z4)/(s12^2*z34^2) - 
   (2*s24*z3*z4)/(s12*s134*z34^2) - (2*s24*z3*z4)/(s12*s234*z34^2) - 
   (2*s13*s23*z3*z4)/(s12*s34^2*z34^2) - (2*s13^2*s23*z3*z4)/
    (s12^2*s34^2*z34^2) - (2*s13*s23*z3*z4)/(s134*s34^2*z34^2) - 
   (2*s13^2*s23*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (2*s14*s23*z3*z4)/(s12*s34^2*z34^2) - (4*s13*s14*s23*z3*z4)/
    (s12^2*s34^2*z34^2) - (2*s14*s23*z3*z4)/(s134*s34^2*z34^2) - 
   (4*s13*s14*s23*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (2*s14^2*s23*z3*z4)/(s12^2*s34^2*z34^2) - (2*s14^2*s23*z3*z4)/
    (s12*s134*s34^2*z34^2) - (4*s23^2*z3*z4)/(s12*s34^2*z34^2) - 
   (6*s13*s23^2*z3*z4)/(s12^2*s34^2*z34^2) - (2*s13*s23^2*z3*z4)/
    (s12*s134*s34^2*z34^2) - (6*s14*s23^2*z3*z4)/(s12^2*s34^2*z34^2) - 
   (2*s14*s23^2*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (4*s23^3*z3*z4)/(s12^2*s34^2*z34^2) - (2*s23^2*z3*z4)/(s234*s34^2*z34^2) - 
   (2*s13*s23^2*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (2*s14*s23^2*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (2*s23^3*z3*z4)/(s12*s234*s34^2*z34^2) - (2*s13*s24*z3*z4)/
    (s12*s34^2*z34^2) - (2*s13^2*s24*z3*z4)/(s12^2*s34^2*z34^2) - 
   (2*s13*s24*z3*z4)/(s134*s34^2*z34^2) - (2*s13^2*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) - (2*s14*s24*z3*z4)/(s12*s34^2*z34^2) - 
   (4*s13*s14*s24*z3*z4)/(s12^2*s34^2*z34^2) - 
   (2*s14*s24*z3*z4)/(s134*s34^2*z34^2) - (4*s13*s14*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) - (2*s14^2*s24*z3*z4)/(s12^2*s34^2*z34^2) - 
   (2*s14^2*s24*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (8*s23*s24*z3*z4)/(s12*s34^2*z34^2) - (12*s13*s23*s24*z3*z4)/
    (s12^2*s34^2*z34^2) - (4*s13*s23*s24*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (12*s14*s23*s24*z3*z4)/(s12^2*s34^2*z34^2) - (4*s14*s23*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) - (12*s23^2*s24*z3*z4)/(s12^2*s34^2*z34^2) - 
   (4*s23*s24*z3*z4)/(s234*s34^2*z34^2) - (4*s13*s23*s24*z3*z4)/
    (s12*s234*s34^2*z34^2) - (4*s14*s23*s24*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (6*s23^2*s24*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (4*s24^2*z3*z4)/(s12*s34^2*z34^2) - (6*s13*s24^2*z3*z4)/
    (s12^2*s34^2*z34^2) - (2*s13*s24^2*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (6*s14*s24^2*z3*z4)/(s12^2*s34^2*z34^2) - (2*s14*s24^2*z3*z4)/
    (s12*s134*s34^2*z34^2) - (12*s23*s24^2*z3*z4)/(s12^2*s34^2*z34^2) - 
   (2*s24^2*z3*z4)/(s234*s34^2*z34^2) - (2*s13*s24^2*z3*z4)/
    (s12*s234*s34^2*z34^2) - (2*s14*s24^2*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (6*s23*s24^2*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (4*s24^3*z3*z4)/(s12^2*s34^2*z34^2) - (2*s24^3*z3*z4)/
    (s12*s234*s34^2*z34^2) - (2*z3*z4)/(s34*z34^2) - 
   (2*s13*z3*z4)/(s12*s34*z34^2) - (2*s14*z3*z4)/(s12*s34*z34^2) - 
   (6*s23*z3*z4)/(s12*s34*z34^2) - (6*s13*s23*z3*z4)/(s12^2*s34*z34^2) - 
   (2*s23*z3*z4)/(s134*s34*z34^2) - (4*s13*s23*z3*z4)/(s12*s134*s34*z34^2) - 
   (6*s14*s23*z3*z4)/(s12^2*s34*z34^2) - (4*s14*s23*z3*z4)/
    (s12*s134*s34*z34^2) - (8*s23^2*z3*z4)/(s12^2*s34*z34^2) - 
   (2*s23^2*z3*z4)/(s12*s134*s34*z34^2) - (2*s23*z3*z4)/(s234*s34*z34^2) - 
   (2*s13*s23*z3*z4)/(s12*s234*s34*z34^2) - (2*s14*s23*z3*z4)/
    (s12*s234*s34*z34^2) - (4*s23^2*z3*z4)/(s12*s234*s34*z34^2) - 
   (6*s24*z3*z4)/(s12*s34*z34^2) - (6*s13*s24*z3*z4)/(s12^2*s34*z34^2) - 
   (2*s24*z3*z4)/(s134*s34*z34^2) - (4*s13*s24*z3*z4)/(s12*s134*s34*z34^2) - 
   (6*s14*s24*z3*z4)/(s12^2*s34*z34^2) - (4*s14*s24*z3*z4)/
    (s12*s134*s34*z34^2) - (16*s23*s24*z3*z4)/(s12^2*s34*z34^2) - 
   (4*s23*s24*z3*z4)/(s12*s134*s34*z34^2) - (2*s24*z3*z4)/(s234*s34*z34^2) - 
   (2*s13*s24*z3*z4)/(s12*s234*s34*z34^2) - (2*s14*s24*z3*z4)/
    (s12*s234*s34*z34^2) - (8*s23*s24*z3*z4)/(s12*s234*s34*z34^2) - 
   (8*s24^2*z3*z4)/(s12^2*s34*z34^2) - (2*s24^2*z3*z4)/(s12*s134*s34*z34^2) - 
   (4*s24^2*z3*z4)/(s12*s234*s34*z34^2) + (4*s23*z1*z3*z4)/
    (s12^2*z12*z34^2) + (4*s24*z1*z3*z4)/(s12^2*z12*z34^2) + 
   (2*s13*s23*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (2*s13^2*s23*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s14*s23*z1*z3*z4)/(s12*s34^2*z12*z34^2) + 
   (4*s13*s14*s23*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s14^2*s23*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s23^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (4*s13*s23^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (4*s14*s23^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s23^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s13*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (2*s13^2*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s14*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) + 
   (4*s13*s14*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s14^2*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (4*s23*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (8*s13*s23*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (8*s14*s23*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (6*s23^2*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s24^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) + 
   (4*s13*s24^2*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (4*s14*s24^2*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (6*s23*s24^2*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s24^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (4*s23*z1*z3*z4)/(s12*s34*z12*z34^2) + (6*s13*s23*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) + (6*s14*s23*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (6*s23^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (4*s24*z1*z3*z4)/(s12*s34*z12*z34^2) + (6*s13*s24*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) + (6*s14*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (12*s23*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (6*s24^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (8*z1*z2*z3*z4)/(s12*z12^2*z34^2) + (16*s13*z1*z2*z3*z4)/
    (s12^2*z12^2*z34^2) + (16*s14*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) + 
   (16*s23*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) + (16*s24*z1*z2*z3*z4)/
    (s12^2*z12^2*z34^2) + (2*s13^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (2*s13^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (4*s13*s14*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13^2*s14*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s14^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13*s14^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s14^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (4*s13*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (4*s14*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (12*s13*s14*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s14^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s23^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s14*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s23^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (4*s13*s24*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13^2*s24*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (4*s14*s24*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (12*s13*s14*s24*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s14^2*s24*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (4*s23*s24*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (12*s13*s23*s24*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (12*s14*s23*s24*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s23^2*s24*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s24^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13*s24^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s14*s24^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s23*s24^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s24^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (8*s13*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + (10*s13^2*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (8*s14*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + 
   (20*s13*s14*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (10*s14^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (8*s23*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + (20*s13*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (20*s14*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (10*s23^2*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (8*s24*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + 
   (20*s13*s24*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (20*s14*s24*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (20*s23*s24*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (10*s24^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (8*s34*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) - (8*z2*z3*z4)/(s12*z12*z34^2) - 
   (16*s13*z2*z3*z4)/(s12^2*z12*z34^2) - (4*z2*z3*z4)/(s134*z12*z34^2) - 
   (10*s13*z2*z3*z4)/(s12*s134*z12*z34^2) - (16*s14*z2*z3*z4)/
    (s12^2*z12*z34^2) - (10*s14*z2*z3*z4)/(s12*s134*z12*z34^2) - 
   (20*s23*z2*z3*z4)/(s12^2*z12*z34^2) - (6*s23*z2*z3*z4)/
    (s12*s134*z12*z34^2) - (4*z2*z3*z4)/(s234*z12*z34^2) - 
   (6*s13*z2*z3*z4)/(s12*s234*z12*z34^2) - (6*s14*z2*z3*z4)/
    (s12*s234*z12*z34^2) - (10*s23*z2*z3*z4)/(s12*s234*z12*z34^2) - 
   (20*s24*z2*z3*z4)/(s12^2*z12*z34^2) - (6*s24*z2*z3*z4)/
    (s12*s134*z12*z34^2) - (10*s24*z2*z3*z4)/(s12*s234*z12*z34^2) - 
   (2*s13^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (2*s13^3*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s13^2*z2*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (2*s13^3*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (4*s13*s14*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (6*s13^2*s14*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (4*s13*s14*z2*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (6*s13^2*s14*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (2*s14^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (6*s13*s14^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14^2*z2*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (6*s13*s14^2*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (2*s14^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s14^3*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (6*s13*s23*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (8*s13^2*s23*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s13*s23*z2*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (4*s13^2*s23*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (6*s14*s23*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (16*s13*s14*s23*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14*s23*z2*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (8*s13*s14*s23*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (8*s14^2*s23*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s14^2*s23*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (4*s23^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (10*s13*s23^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s13*s23^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (10*s14*s23^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14*s23^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (4*s23^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s13*s23*z2*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (2*s13^2*s23*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (2*s14*s23*z2*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (4*s13*s14*s23*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (2*s14^2*s23*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (2*s23^2*z2*z3*z4)/(s234*s34^2*z12*z34^2) - (4*s13*s23^2*z2*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (4*s14*s23^2*z2*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (2*s23^3*z2*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) - (6*s13*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (8*s13^2*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s13*s24*z2*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (4*s13^2*s24*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (6*s14*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (16*s13*s14*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14*s24*z2*z3*z4)/(s134*s34^2*z12*z34^2) - 
   (8*s13*s14*s24*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (8*s14^2*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s14^2*s24*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) - 
   (8*s23*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (20*s13*s23*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (4*s13*s23*s24*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (20*s14*s23*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (4*s14*s23*s24*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (12*s23^2*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s13*s24*z2*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (2*s13^2*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (2*s14*s24*z2*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (4*s13*s14*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (2*s14^2*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (4*s23*s24*z2*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (8*s13*s23*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (8*s14*s23*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (6*s23^2*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (4*s24^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (10*s13*s24^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s13*s24^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (10*s14*s24^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14*s24^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) - (12*s23*s24^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s24^2*z2*z3*z4)/(s234*s34^2*z12*z34^2) - 
   (4*s13*s24^2*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (4*s14*s24^2*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (6*s23*s24^2*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (4*s24^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s24^3*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) - 
   (8*s13*z2*z3*z4)/(s12*s34*z12*z34^2) - (10*s13^2*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) - (6*s13*z2*z3*z4)/(s134*s34*z12*z34^2) - 
   (8*s13^2*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (8*s14*z2*z3*z4)/(s12*s34*z12*z34^2) - (20*s13*s14*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) - (6*s14*z2*z3*z4)/(s134*s34*z12*z34^2) - 
   (16*s13*s14*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (10*s14^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (8*s14^2*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (12*s23*z2*z3*z4)/(s12*s34*z12*z34^2) - (26*s13*s23*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) - (2*s23*z2*z3*z4)/(s134*s34*z12*z34^2) - 
   (10*s13*s23*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (26*s14*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (10*s14*s23*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (16*s23^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s23^2*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (2*s13*z2*z3*z4)/(s234*s34*z12*z34^2) - (2*s13^2*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (2*s14*z2*z3*z4)/(s234*s34*z12*z34^2) - 
   (4*s13*s14*z2*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (2*s14^2*z2*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (6*s23*z2*z3*z4)/(s234*s34*z12*z34^2) - (10*s13*s23*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (10*s14*s23*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (8*s23^2*z2*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (12*s24*z2*z3*z4)/(s12*s34*z12*z34^2) - (26*s13*s24*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) - (2*s24*z2*z3*z4)/(s134*s34*z12*z34^2) - 
   (10*s13*s24*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (26*s14*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (10*s14*s24*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (32*s23*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (4*s23*s24*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (6*s24*z2*z3*z4)/(s234*s34*z12*z34^2) - (10*s13*s24*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (10*s14*s24*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (16*s23*s24*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) - (16*s24^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s24^2*z2*z3*z4)/(s12*s134*s34*z12*z34^2) - 
   (8*s24^2*z2*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (8*s34*z2*z3*z4)/(s12^2*z12*z34^2) - (4*s34*z2*z3*z4)/
    (s12*s134*z12*z34^2) - (4*s34*z2*z3*z4)/(s12*s234*z12*z34^2) - 
   (4*z3^2*z4)/(s12*z12*z34^2) - (2*s13*z3^2*z4)/(s34^2*z12*z34^2) - 
   (2*s13^2*z3^2*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s14*z3^2*z4)/(s34^2*z12*z34^2) - (4*s13*s14*z3^2*z4)/
    (s12*s34^2*z12*z34^2) - (2*s14^2*z3^2*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s23*z3^2*z4)/(s34^2*z12*z34^2) - (4*s13*s23*z3^2*z4)/
    (s12*s34^2*z12*z34^2) - (4*s14*s23*z3^2*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s23^2*z3^2*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s24*z3^2*z4)/(s34^2*z12*z34^2) - (4*s13*s24*z3^2*z4)/
    (s12*s34^2*z12*z34^2) - (4*s14*s24*z3^2*z4)/(s12*s34^2*z12*z34^2) - 
   (4*s23*s24*z3^2*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s24^2*z3^2*z4)/(s12*s34^2*z12*z34^2) - (4*z3^2*z4)/(s34*z12*z34^2) - 
   (6*s13*z3^2*z4)/(s12*s34*z12*z34^2) - (6*s14*z3^2*z4)/
    (s12*s34*z12*z34^2) - (6*s23*z3^2*z4)/(s12*s34*z12*z34^2) - 
   (6*s24*z3^2*z4)/(s12*s34*z12*z34^2) + (2*s23*z4)/(s12^2*z34) + 
   (s23*z4)/(s12*s123*z34) + (s23*z4)/(s12*s124*z34) + 
   (3*s13*s23*z4)/(2*s12^2*s123*z34) + (3*s13*s23*z4)/(2*s12^2*s124*z34) + 
   (2*s23*z4)/(s123*s134*z34) - (s23*z4)/(s124*s134*z34) + 
   (4*s13*s23*z4)/(s12*s123*s134*z34) - (2*s13*s23*z4)/(s12*s124*s134*z34) + 
   (3*s14*s23*z4)/(2*s12^2*s123*z34) + (3*s14*s23*z4)/(2*s12^2*s124*z34) + 
   (4*s14*s23*z4)/(s12*s123*s134*z34) - (2*s14*s23*z4)/(s12*s124*s134*z34) + 
   (5*s23^2*z4)/(2*s12^2*s123*z34) + (5*s23^2*z4)/(2*s12^2*s124*z34) + 
   (2*s23^2*z4)/(s12*s123*s134*z34) - (s23^2*z4)/(s12*s124*s134*z34) + 
   (2*s23*z4)/(s12*s234*z34) - (s23*z4)/(s123*s234*z34) + 
   (2*s23*z4)/(s124*s234*z34) - (s13*s23*z4)/(s12*s123*s234*z34) + 
   (2*s13*s23*z4)/(s12*s124*s234*z34) - (s14*s23*z4)/(s12*s123*s234*z34) + 
   (2*s14*s23*z4)/(s12*s124*s234*z34) - (2*s23^2*z4)/(s12*s123*s234*z34) + 
   (4*s23^2*z4)/(s12*s124*s234*z34) + (5*s23*s24*z4)/(2*s12^2*s123*z34) + 
   (5*s23*s24*z4)/(2*s12^2*s124*z34) + (2*s23*s24*z4)/(s12*s123*s134*z34) - 
   (s23*s24*z4)/(s12*s124*s134*z34) - (2*s23*s24*z4)/(s12*s123*s234*z34) + 
   (4*s23*s24*z4)/(s12*s124*s234*z34) + (2*s13*s23*z4)/(s12*s34^2*z34) + 
   (2*s13^2*s23*z4)/(s12^2*s34^2*z34) + (2*s13*s23*z4)/(s134*s34^2*z34) + 
   (2*s13^2*s23*z4)/(s12*s134*s34^2*z34) + (s14*s23*z4)/(s12*s34^2*z34) + 
   (3*s13*s14*s23*z4)/(s12^2*s34^2*z34) + (s14*s23*z4)/(s134*s34^2*z34) + 
   (3*s13*s14*s23*z4)/(s12*s134*s34^2*z34) + 
   (s14^2*s23*z4)/(s12^2*s34^2*z34) + (s14^2*s23*z4)/(s12*s134*s34^2*z34) + 
   (4*s23^2*z4)/(s12*s34^2*z34) + (6*s13*s23^2*z4)/(s12^2*s34^2*z34) + 
   (2*s13*s23^2*z4)/(s12*s134*s34^2*z34) + (5*s14*s23^2*z4)/
    (s12^2*s34^2*z34) + (s14*s23^2*z4)/(s12*s134*s34^2*z34) + 
   (4*s23^3*z4)/(s12^2*s34^2*z34) + (2*s23^2*z4)/(s234*s34^2*z34) + 
   (2*s13*s23^2*z4)/(s12*s234*s34^2*z34) + (2*s14*s23^2*z4)/
    (s12*s234*s34^2*z34) + (2*s23^3*z4)/(s12*s234*s34^2*z34) + 
   (s13*s24*z4)/(s12*s34^2*z34) + (s13^2*s24*z4)/(s12^2*s34^2*z34) + 
   (s13*s24*z4)/(s134*s34^2*z34) + (s13^2*s24*z4)/(s12*s134*s34^2*z34) + 
   (s13*s14*s24*z4)/(s12^2*s34^2*z34) + (s13*s14*s24*z4)/
    (s12*s134*s34^2*z34) + (4*s23*s24*z4)/(s12*s34^2*z34) + 
   (7*s13*s23*s24*z4)/(s12^2*s34^2*z34) + (3*s13*s23*s24*z4)/
    (s12*s134*s34^2*z34) + (5*s14*s23*s24*z4)/(s12^2*s34^2*z34) + 
   (s14*s23*s24*z4)/(s12*s134*s34^2*z34) + (8*s23^2*s24*z4)/
    (s12^2*s34^2*z34) + (2*s23*s24*z4)/(s234*s34^2*z34) + 
   (2*s13*s23*s24*z4)/(s12*s234*s34^2*z34) + (2*s14*s23*s24*z4)/
    (s12*s234*s34^2*z34) + (4*s23^2*s24*z4)/(s12*s234*s34^2*z34) + 
   (s13*s24^2*z4)/(s12^2*s34^2*z34) + (s13*s24^2*z4)/(s12*s134*s34^2*z34) + 
   (4*s23*s24^2*z4)/(s12^2*s34^2*z34) + (2*s23*s24^2*z4)/
    (s12*s234*s34^2*z34) + (2*s23*z4)/(s12*s34*z34) + 
   (4*s13*s23*z4)/(s12^2*s34*z34) + (s13*s23*z4)/(2*s12*s123*s34*z34) + 
   (s13*s23*z4)/(2*s12*s124*s34*z34) + (s13^2*s23*z4)/
    (2*s12^2*s123*s34*z34) + (s13^2*s23*z4)/(2*s12^2*s124*s34*z34) + 
   (2*s13*s23*z4)/(s12*s134*s34*z34) + (2*s13*s23*z4)/(s123*s134*s34*z34) - 
   (s13*s23*z4)/(s124*s134*s34*z34) + (2*s13^2*s23*z4)/
    (s12*s123*s134*s34*z34) - (s13^2*s23*z4)/(s12*s124*s134*s34*z34) + 
   (3*s14*s23*z4)/(s12^2*s34*z34) + (s14*s23*z4)/(2*s12*s123*s34*z34) + 
   (s14*s23*z4)/(2*s12*s124*s34*z34) + (s13*s14*s23*z4)/
    (s12^2*s123*s34*z34) + (s13*s14*s23*z4)/(s12^2*s124*s34*z34) + 
   (s14*s23*z4)/(s12*s134*s34*z34) + (2*s14*s23*z4)/(s123*s134*s34*z34) - 
   (s14*s23*z4)/(s124*s134*s34*z34) + (4*s13*s14*s23*z4)/
    (s12*s123*s134*s34*z34) - (2*s13*s14*s23*z4)/(s12*s124*s134*s34*z34) + 
   (s14^2*s23*z4)/(2*s12^2*s123*s34*z34) + 
   (s14^2*s23*z4)/(2*s12^2*s124*s34*z34) + (2*s14^2*s23*z4)/
    (s12*s123*s134*s34*z34) - (s14^2*s23*z4)/(s12*s124*s134*s34*z34) + 
   (6*s23^2*z4)/(s12^2*s34*z34) + (3*s23^2*z4)/(2*s12*s123*s34*z34) + 
   (3*s23^2*z4)/(2*s12*s124*s34*z34) + (2*s13*s23^2*z4)/
    (s12^2*s123*s34*z34) + (2*s13*s23^2*z4)/(s12^2*s124*s34*z34) + 
   (2*s13*s23^2*z4)/(s12*s123*s134*s34*z34) - 
   (s13*s23^2*z4)/(s12*s124*s134*s34*z34) + (2*s14*s23^2*z4)/
    (s12^2*s123*s34*z34) + (2*s14*s23^2*z4)/(s12^2*s124*s34*z34) + 
   (2*s14*s23^2*z4)/(s12*s123*s134*s34*z34) - 
   (s14*s23^2*z4)/(s12*s124*s134*s34*z34) + 
   (3*s23^3*z4)/(2*s12^2*s123*s34*z34) + 
   (3*s23^3*z4)/(2*s12^2*s124*s34*z34) + (2*s23*z4)/(s234*s34*z34) + 
   (2*s13*s23*z4)/(s12*s234*s34*z34) + (2*s14*s23*z4)/(s12*s234*s34*z34) + 
   (4*s23^2*z4)/(s12*s234*s34*z34) - (s23^2*z4)/(s123*s234*s34*z34) + 
   (2*s23^2*z4)/(s124*s234*s34*z34) - (s13*s23^2*z4)/
    (s12*s123*s234*s34*z34) + (2*s13*s23^2*z4)/(s12*s124*s234*s34*z34) - 
   (s14*s23^2*z4)/(s12*s123*s234*s34*z34) + (2*s14*s23^2*z4)/
    (s12*s124*s234*s34*z34) - (s23^3*z4)/(s12*s123*s234*s34*z34) + 
   (2*s23^3*z4)/(s12*s124*s234*s34*z34) + (s13*s24*z4)/(s12^2*s34*z34) + 
   (s13*s24*z4)/(s12*s134*s34*z34) + (6*s23*s24*z4)/(s12^2*s34*z34) + 
   (3*s23*s24*z4)/(2*s12*s123*s34*z34) + (3*s23*s24*z4)/
    (2*s12*s124*s34*z34) + (2*s13*s23*s24*z4)/(s12^2*s123*s34*z34) + 
   (2*s13*s23*s24*z4)/(s12^2*s124*s34*z34) + (2*s13*s23*s24*z4)/
    (s12*s123*s134*s34*z34) - (s13*s23*s24*z4)/(s12*s124*s134*s34*z34) + 
   (2*s14*s23*s24*z4)/(s12^2*s123*s34*z34) + (2*s14*s23*s24*z4)/
    (s12^2*s124*s34*z34) + (2*s14*s23*s24*z4)/(s12*s123*s134*s34*z34) - 
   (s14*s23*s24*z4)/(s12*s124*s134*s34*z34) + 
   (3*s23^2*s24*z4)/(s12^2*s123*s34*z34) + (3*s23^2*s24*z4)/
    (s12^2*s124*s34*z34) + (4*s23*s24*z4)/(s12*s234*s34*z34) - 
   (s23*s24*z4)/(s123*s234*s34*z34) + (2*s23*s24*z4)/(s124*s234*s34*z34) - 
   (s13*s23*s24*z4)/(s12*s123*s234*s34*z34) + (2*s13*s23*s24*z4)/
    (s12*s124*s234*s34*z34) - (s14*s23*s24*z4)/(s12*s123*s234*s34*z34) + 
   (2*s14*s23*s24*z4)/(s12*s124*s234*s34*z34) - 
   (2*s23^2*s24*z4)/(s12*s123*s234*s34*z34) + 
   (4*s23^2*s24*z4)/(s12*s124*s234*s34*z34) + 
   (3*s23*s24^2*z4)/(2*s12^2*s123*s34*z34) + (3*s23*s24^2*z4)/
    (2*s12^2*s124*s34*z34) - (s23*s24^2*z4)/(s12*s123*s234*s34*z34) + 
   (2*s23*s24^2*z4)/(s12*s124*s234*s34*z34) + (s23*s34*z4)/(s12^2*s123*z34) + 
   (s23*s34*z4)/(s12^2*s124*z34) + (2*s23*s34*z4)/(s12*s123*s134*z34) - 
   (s23*s34*z4)/(s12*s124*s134*z34) - (s23*s34*z4)/(s12*s123*s234*z34) + 
   (2*s23*s34*z4)/(s12*s124*s234*z34) - (z1*z4)/(s12*z12*z34) - 
   (2*s23*z1*z4)/(s12^2*z12*z34) - (s23*z1*z4)/(s12*s123*z12*z34) - 
   (s23*z1*z4)/(s12*s124*z12*z34) - (3*s13*s23*z1*z4)/
    (2*s12^2*s123*z12*z34) - (3*s13*s23*z1*z4)/(2*s12^2*s124*z12*z34) - 
   (3*s14*s23*z1*z4)/(2*s12^2*s123*z12*z34) - 
   (3*s14*s23*z1*z4)/(2*s12^2*s124*z12*z34) - 
   (3*s23^2*z1*z4)/(2*s12^2*s123*z12*z34) - (3*s23^2*z1*z4)/
    (2*s12^2*s124*z12*z34) - (3*s23*s24*z1*z4)/(2*s12^2*s123*z12*z34) - 
   (3*s23*s24*z1*z4)/(2*s12^2*s124*z12*z34) - 
   (2*s13*s23*z1*z4)/(s12*s34^2*z12*z34) - (2*s13^2*s23*z1*z4)/
    (s12^2*s34^2*z12*z34) - (s14*s23*z1*z4)/(s12*s34^2*z12*z34) - 
   (3*s13*s14*s23*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s14^2*s23*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (2*s23^2*z1*z4)/(s12*s34^2*z12*z34) - (4*s13*s23^2*z1*z4)/
    (s12^2*s34^2*z12*z34) - (3*s14*s23^2*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (2*s23^3*z1*z4)/(s12^2*s34^2*z12*z34) - (s13*s24*z1*z4)/
    (s12*s34^2*z12*z34) - (s13^2*s24*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s13*s14*s24*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (2*s23*s24*z1*z4)/(s12*s34^2*z12*z34) - (5*s13*s23*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) - (3*s14*s23*s24*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (4*s23^2*s24*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s13*s24^2*z1*z4)/(s12^2*s34^2*z12*z34) - (2*s23*s24^2*z1*z4)/
    (s12^2*s34^2*z12*z34) - (z1*z4)/(s34*z12*z34) - 
   (s13*z1*z4)/(s12*s34*z12*z34) - (s14*z1*z4)/(s12*s34*z12*z34) - 
   (3*s23*z1*z4)/(s12*s34*z12*z34) - (4*s13*s23*z1*z4)/(s12^2*s34*z12*z34) - 
   (s13*s23*z1*z4)/(2*s12*s123*s34*z12*z34) - 
   (s13*s23*z1*z4)/(2*s12*s124*s34*z12*z34) - 
   (s13^2*s23*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s23*z1*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (3*s14*s23*z1*z4)/(s12^2*s34*z12*z34) - (s14*s23*z1*z4)/
    (2*s12*s123*s34*z12*z34) - (s14*s23*z1*z4)/(2*s12*s124*s34*z12*z34) - 
   (s13*s14*s23*z1*z4)/(s12^2*s123*s34*z12*z34) - 
   (s13*s14*s23*z1*z4)/(s12^2*s124*s34*z12*z34) - 
   (s14^2*s23*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s14^2*s23*z1*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (4*s23^2*z1*z4)/(s12^2*s34*z12*z34) - (s23^2*z1*z4)/
    (2*s12*s123*s34*z12*z34) - (s23^2*z1*z4)/(2*s12*s124*s34*z12*z34) - 
   (s13*s23^2*z1*z4)/(s12^2*s123*s34*z12*z34) - 
   (s13*s23^2*z1*z4)/(s12^2*s124*s34*z12*z34) - 
   (s14*s23^2*z1*z4)/(s12^2*s123*s34*z12*z34) - 
   (s14*s23^2*z1*z4)/(s12^2*s124*s34*z12*z34) - 
   (s23^3*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s23^3*z1*z4)/(2*s12^2*s124*s34*z12*z34) - (s24*z1*z4)/(s12*s34*z12*z34) - 
   (s13*s24*z1*z4)/(s12^2*s34*z12*z34) - (4*s23*s24*z1*z4)/
    (s12^2*s34*z12*z34) - (s23*s24*z1*z4)/(2*s12*s123*s34*z12*z34) - 
   (s23*s24*z1*z4)/(2*s12*s124*s34*z12*z34) - (s13*s23*s24*z1*z4)/
    (s12^2*s123*s34*z12*z34) - (s13*s23*s24*z1*z4)/(s12^2*s124*s34*z12*z34) - 
   (s14*s23*s24*z1*z4)/(s12^2*s123*s34*z12*z34) - 
   (s14*s23*s24*z1*z4)/(s12^2*s124*s34*z12*z34) - 
   (s23^2*s24*z1*z4)/(s12^2*s123*s34*z12*z34) - 
   (s23^2*s24*z1*z4)/(s12^2*s124*s34*z12*z34) - 
   (s23*s24^2*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s23*s24^2*z1*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s23*s34*z1*z4)/(s12^2*s123*z12*z34) - (s23*s34*z1*z4)/
    (s12^2*s124*z12*z34) - (4*s13*z1*z2*z4)/(s12^2*z12^2*z34) - 
   (4*s23*z1*z2*z4)/(s12^2*z12^2*z34) - (2*s13^2*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) - (2*s13^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s13*s14*z1*z2*z4)/(s12*s34^2*z12^2*z34) - (4*s13^2*s14*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (2*s13*s14^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (4*s13*s23*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (6*s13^2*s23*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s14*s23*z1*z2*z4)/(s12*s34^2*z12^2*z34) - (8*s13*s14*s23*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (2*s14^2*s23*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (2*s23^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (6*s13*s23^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (4*s14*s23^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s23^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s13*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) - (4*s13^2*s24*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (4*s13*s14*s24*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (2*s23*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (8*s13*s23*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (4*s14*s23*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (4*s23^2*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s13*s24^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s23*s24^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (4*s13*z1*z2*z4)/(s12*s34*z12^2*z34) - (6*s13^2*z1*z2*z4)/
    (s12^2*s34*z12^2*z34) - (6*s13*s14*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (4*s23*z1*z2*z4)/(s12*s34*z12^2*z34) - (12*s13*s23*z1*z2*z4)/
    (s12^2*s34*z12^2*z34) - (6*s14*s23*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (6*s23^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) - (6*s13*s24*z1*z2*z4)/
    (s12^2*s34*z12^2*z34) - (6*s23*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (z2*z4)/(s12*z12*z34) + (4*s13*z2*z4)/(s12^2*z12*z34) + 
   (z2*z4)/(s134*z12*z34) + (9*s13*z2*z4)/(2*s12*s134*z12*z34) + 
   (3*s14*z2*z4)/(2*s12*s134*z12*z34) + (6*s23*z2*z4)/(s12^2*z12*z34) + 
   (s23*z2*z4)/(s12*s123*z12*z34) + (s23*z2*z4)/(s12*s124*z12*z34) + 
   (3*s13*s23*z2*z4)/(2*s12^2*s123*z12*z34) + 
   (3*s13*s23*z2*z4)/(2*s12^2*s124*z12*z34) + 
   (5*s23*z2*z4)/(2*s12*s134*z12*z34) + (3*s14*s23*z2*z4)/
    (2*s12^2*s123*z12*z34) + (3*s14*s23*z2*z4)/(2*s12^2*s124*z12*z34) + 
   (3*s23^2*z2*z4)/(2*s12^2*s123*z12*z34) + (3*s23^2*z2*z4)/
    (2*s12^2*s124*z12*z34) - (z2*z4)/(s234*z12*z34) - 
   (s13*z2*z4)/(2*s12*s234*z12*z34) - (3*s14*z2*z4)/(2*s12*s234*z12*z34) + 
   (3*s23*z2*z4)/(2*s12*s234*z12*z34) + (3*s24*z2*z4)/(2*s12*s134*z12*z34) + 
   (3*s23*s24*z2*z4)/(2*s12^2*s123*z12*z34) + 
   (3*s23*s24*z2*z4)/(2*s12^2*s124*z12*z34) - 
   (3*s24*z2*z4)/(2*s12*s234*z12*z34) + (2*s13^2*z2*z4)/(s12*s34^2*z12*z34) + 
   (2*s13^3*z2*z4)/(s12^2*s34^2*z12*z34) + (2*s13^2*z2*z4)/
    (s134*s34^2*z12*z34) + (2*s13^3*z2*z4)/(s12*s134*s34^2*z12*z34) + 
   (2*s13*s14*z2*z4)/(s12*s34^2*z12*z34) + (4*s13^2*s14*z2*z4)/
    (s12^2*s34^2*z12*z34) + (2*s13*s14*z2*z4)/(s134*s34^2*z12*z34) + 
   (4*s13^2*s14*z2*z4)/(s12*s134*s34^2*z12*z34) + 
   (2*s13*s14^2*z2*z4)/(s12^2*s34^2*z12*z34) + (2*s13*s14^2*z2*z4)/
    (s12*s134*s34^2*z12*z34) + (6*s13*s23*z2*z4)/(s12*s34^2*z12*z34) + 
   (8*s13^2*s23*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (2*s13*s23*z2*z4)/(s134*s34^2*z12*z34) + (4*s13^2*s23*z2*z4)/
    (s12*s134*s34^2*z12*z34) + (3*s14*s23*z2*z4)/(s12*s34^2*z12*z34) + 
   (11*s13*s14*s23*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s14*s23*z2*z4)/(s134*s34^2*z12*z34) + (5*s13*s14*s23*z2*z4)/
    (s12*s134*s34^2*z12*z34) + (3*s14^2*s23*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s14^2*s23*z2*z4)/(s12*s134*s34^2*z12*z34) + 
   (4*s23^2*z2*z4)/(s12*s34^2*z12*z34) + (10*s13*s23^2*z2*z4)/
    (s12^2*s34^2*z12*z34) + (2*s13*s23^2*z2*z4)/(s12*s134*s34^2*z12*z34) + 
   (7*s14*s23^2*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s14*s23^2*z2*z4)/(s12*s134*s34^2*z12*z34) + 
   (4*s23^3*z2*z4)/(s12^2*s34^2*z12*z34) + (2*s13*s23*z2*z4)/
    (s234*s34^2*z12*z34) + (2*s13^2*s23*z2*z4)/(s12*s234*s34^2*z12*z34) + 
   (s14*s23*z2*z4)/(s234*s34^2*z12*z34) + (3*s13*s14*s23*z2*z4)/
    (s12*s234*s34^2*z12*z34) + (s14^2*s23*z2*z4)/(s12*s234*s34^2*z12*z34) + 
   (2*s23^2*z2*z4)/(s234*s34^2*z12*z34) + (4*s13*s23^2*z2*z4)/
    (s12*s234*s34^2*z12*z34) + (3*s14*s23^2*z2*z4)/(s12*s234*s34^2*z12*z34) + 
   (2*s23^3*z2*z4)/(s12*s234*s34^2*z12*z34) + 
   (3*s13*s24*z2*z4)/(s12*s34^2*z12*z34) + (5*s13^2*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) + (s13*s24*z2*z4)/(s134*s34^2*z12*z34) + 
   (3*s13^2*s24*z2*z4)/(s12*s134*s34^2*z12*z34) + 
   (5*s13*s14*s24*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (3*s13*s14*s24*z2*z4)/(s12*s134*s34^2*z12*z34) + 
   (4*s23*s24*z2*z4)/(s12*s34^2*z12*z34) + (13*s13*s23*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) + (3*s13*s23*s24*z2*z4)/(s12*s134*s34^2*z12*z34) + 
   (7*s14*s23*s24*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s14*s23*s24*z2*z4)/(s12*s134*s34^2*z12*z34) + 
   (8*s23^2*s24*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s24*z2*z4)/(s234*s34^2*z12*z34) + (s13^2*s24*z2*z4)/
    (s12*s234*s34^2*z12*z34) + (s13*s14*s24*z2*z4)/(s12*s234*s34^2*z12*z34) + 
   (2*s23*s24*z2*z4)/(s234*s34^2*z12*z34) + (5*s13*s23*s24*z2*z4)/
    (s12*s234*s34^2*z12*z34) + (3*s14*s23*s24*z2*z4)/
    (s12*s234*s34^2*z12*z34) + (4*s23^2*s24*z2*z4)/(s12*s234*s34^2*z12*z34) + 
   (3*s13*s24^2*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s24^2*z2*z4)/(s12*s134*s34^2*z12*z34) + 
   (4*s23*s24^2*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s13*s24^2*z2*z4)/(s12*s234*s34^2*z12*z34) + 
   (2*s23*s24^2*z2*z4)/(s12*s234*s34^2*z12*z34) - (z2*z4)/(s34*z12*z34) + 
   (3*s13*z2*z4)/(s12*s34*z12*z34) + (6*s13^2*z2*z4)/(s12^2*s34*z12*z34) + 
   (7*s13*z2*z4)/(2*s134*s34*z12*z34) + (11*s13^2*z2*z4)/
    (2*s12*s134*s34*z12*z34) - (s14*z2*z4)/(s12*s34*z12*z34) + 
   (6*s13*s14*z2*z4)/(s12^2*s34*z12*z34) + (s14*z2*z4)/(2*s134*s34*z12*z34) + 
   (6*s13*s14*z2*z4)/(s12*s134*s34*z12*z34) + 
   (s14^2*z2*z4)/(2*s12*s134*s34*z12*z34) + (5*s23*z2*z4)/(s12*s34*z12*z34) + 
   (16*s13*s23*z2*z4)/(s12^2*s34*z12*z34) + (s13*s23*z2*z4)/
    (2*s12*s123*s34*z12*z34) + (s13*s23*z2*z4)/(2*s12*s124*s34*z12*z34) + 
   (s13^2*s23*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s23*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s23*z2*z4)/(2*s134*s34*z12*z34) + (7*s13*s23*z2*z4)/
    (s12*s134*s34*z12*z34) + (9*s14*s23*z2*z4)/(s12^2*s34*z12*z34) + 
   (s14*s23*z2*z4)/(2*s12*s123*s34*z12*z34) + 
   (s14*s23*z2*z4)/(2*s12*s124*s34*z12*z34) + (s13*s14*s23*z2*z4)/
    (s12^2*s123*s34*z12*z34) + (s13*s14*s23*z2*z4)/(s12^2*s124*s34*z12*z34) + 
   (3*s14*s23*z2*z4)/(s12*s134*s34*z12*z34) + 
   (s14^2*s23*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (10*s23^2*z2*z4)/(s12^2*s34*z12*z34) + 
   (s23^2*z2*z4)/(2*s12*s123*s34*z12*z34) + 
   (s23^2*z2*z4)/(2*s12*s124*s34*z12*z34) + (s13*s23^2*z2*z4)/
    (s12^2*s123*s34*z12*z34) + (s13*s23^2*z2*z4)/(s12^2*s124*s34*z12*z34) + 
   (3*s23^2*z2*z4)/(2*s12*s134*s34*z12*z34) + 
   (s14*s23^2*z2*z4)/(s12^2*s123*s34*z12*z34) + 
   (s14*s23^2*z2*z4)/(s12^2*s124*s34*z12*z34) + 
   (s23^3*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s23^3*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s13*z2*z4)/(2*s234*s34*z12*z34) + (s13^2*z2*z4)/
    (2*s12*s234*s34*z12*z34) - (s14*z2*z4)/(2*s234*s34*z12*z34) - 
   (s14^2*z2*z4)/(2*s12*s234*s34*z12*z34) + 
   (5*s23*z2*z4)/(2*s234*s34*z12*z34) + (5*s13*s23*z2*z4)/
    (s12*s234*s34*z12*z34) + (3*s14*s23*z2*z4)/(s12*s234*s34*z12*z34) + 
   (9*s23^2*z2*z4)/(2*s12*s234*s34*z12*z34) - (s24*z2*z4)/(s12*s34*z12*z34) + 
   (7*s13*s24*z2*z4)/(s12^2*s34*z12*z34) + (s24*z2*z4)/(2*s134*s34*z12*z34) + 
   (5*s13*s24*z2*z4)/(s12*s134*s34*z12*z34) + 
   (s14*s24*z2*z4)/(s12*s134*s34*z12*z34) + (10*s23*s24*z2*z4)/
    (s12^2*s34*z12*z34) + (s23*s24*z2*z4)/(2*s12*s123*s34*z12*z34) + 
   (s23*s24*z2*z4)/(2*s12*s124*s34*z12*z34) + (s13*s23*s24*z2*z4)/
    (s12^2*s123*s34*z12*z34) + (s13*s23*s24*z2*z4)/(s12^2*s124*s34*z12*z34) + 
   (2*s23*s24*z2*z4)/(s12*s134*s34*z12*z34) + (s14*s23*s24*z2*z4)/
    (s12^2*s123*s34*z12*z34) + (s14*s23*s24*z2*z4)/(s12^2*s124*s34*z12*z34) + 
   (s23^2*s24*z2*z4)/(s12^2*s123*s34*z12*z34) + 
   (s23^2*s24*z2*z4)/(s12^2*s124*s34*z12*z34) - 
   (s24*z2*z4)/(2*s234*s34*z12*z34) + (s13*s24*z2*z4)/
    (s12*s234*s34*z12*z34) - (s14*s24*z2*z4)/(s12*s234*s34*z12*z34) + 
   (4*s23*s24*z2*z4)/(s12*s234*s34*z12*z34) + 
   (s24^2*z2*z4)/(2*s12*s134*s34*z12*z34) + (s23*s24^2*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) + (s23*s24^2*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) - (s24^2*z2*z4)/(2*s12*s234*s34*z12*z34) + 
   (s34*z2*z4)/(s12*s134*z12*z34) + (s23*s34*z2*z4)/(s12^2*s123*z12*z34) + 
   (s23*s34*z2*z4)/(s12^2*s124*z12*z34) - (s34*z2*z4)/(s12*s234*z12*z34) + 
   (4*z3*z4)/(s12*z12*z34) + (2*z3*z4)/(s123*z12*z34) + 
   (2*z3*z4)/(s124*z12*z34) + (3*s13*z3*z4)/(s12*s123*z12*z34) + 
   (3*s13*z3*z4)/(s12*s124*z12*z34) + (3*s14*z3*z4)/(s12*s123*z12*z34) + 
   (3*s14*z3*z4)/(s12*s124*z12*z34) + (3*s23*z3*z4)/(s12*s123*z12*z34) + 
   (3*s23*z3*z4)/(s12*s124*z12*z34) + (s23*z3*z4)/(s12*s134*z12*z34) - 
   (s23*z3*z4)/(s12*s234*z12*z34) + (3*s24*z3*z4)/(s12*s123*z12*z34) + 
   (3*s24*z3*z4)/(s12*s124*z12*z34) + (s24*z3*z4)/(s12*s134*z12*z34) - 
   (s24*z3*z4)/(s12*s234*z12*z34) + (3*s13*z3*z4)/(s34^2*z12*z34) + 
   (3*s13^2*z3*z4)/(s12*s34^2*z12*z34) + (3*s14*z3*z4)/(s34^2*z12*z34) + 
   (6*s13*s14*z3*z4)/(s12*s34^2*z12*z34) + (3*s14^2*z3*z4)/
    (s12*s34^2*z12*z34) + (3*s23*z3*z4)/(s34^2*z12*z34) + 
   (6*s13*s23*z3*z4)/(s12*s34^2*z12*z34) + (s13*s23*z3*z4)/
    (2*s134*s34^2*z12*z34) + (s13^2*s23*z3*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (6*s14*s23*z3*z4)/(s12*s34^2*z12*z34) + (s14*s23*z3*z4)/
    (2*s134*s34^2*z12*z34) + (s13*s14*s23*z3*z4)/(s12*s134*s34^2*z12*z34) + 
   (s14^2*s23*z3*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (3*s23^2*z3*z4)/(s12*s34^2*z12*z34) + (s23^2*z3*z4)/
    (2*s134*s34^2*z12*z34) + (s13*s23^2*z3*z4)/(s12*s134*s34^2*z12*z34) + 
   (s14*s23^2*z3*z4)/(s12*s134*s34^2*z12*z34) + 
   (s23^3*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s13*s23*z3*z4)/(2*s234*s34^2*z12*z34) - (s13^2*s23*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) - (s14*s23*z3*z4)/(2*s234*s34^2*z12*z34) - 
   (s13*s14*s23*z3*z4)/(s12*s234*s34^2*z12*z34) - 
   (s14^2*s23*z3*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s23^2*z3*z4)/(2*s234*s34^2*z12*z34) - (s13*s23^2*z3*z4)/
    (s12*s234*s34^2*z12*z34) - (s14*s23^2*z3*z4)/(s12*s234*s34^2*z12*z34) - 
   (s23^3*z3*z4)/(2*s12*s234*s34^2*z12*z34) + (3*s24*z3*z4)/(s34^2*z12*z34) + 
   (6*s13*s24*z3*z4)/(s12*s34^2*z12*z34) + (s13*s24*z3*z4)/
    (2*s134*s34^2*z12*z34) + (s13^2*s24*z3*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (6*s14*s24*z3*z4)/(s12*s34^2*z12*z34) + (s14*s24*z3*z4)/
    (2*s134*s34^2*z12*z34) + (s13*s14*s24*z3*z4)/(s12*s134*s34^2*z12*z34) + 
   (s14^2*s24*z3*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (6*s23*s24*z3*z4)/(s12*s34^2*z12*z34) + (s23*s24*z3*z4)/
    (s134*s34^2*z12*z34) + (2*s13*s23*s24*z3*z4)/(s12*s134*s34^2*z12*z34) + 
   (2*s14*s23*s24*z3*z4)/(s12*s134*s34^2*z12*z34) + 
   (3*s23^2*s24*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s13*s24*z3*z4)/(2*s234*s34^2*z12*z34) - (s13^2*s24*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) - (s14*s24*z3*z4)/(2*s234*s34^2*z12*z34) - 
   (s13*s14*s24*z3*z4)/(s12*s234*s34^2*z12*z34) - 
   (s14^2*s24*z3*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s23*s24*z3*z4)/(s234*s34^2*z12*z34) - (2*s13*s23*s24*z3*z4)/
    (s12*s234*s34^2*z12*z34) - (2*s14*s23*s24*z3*z4)/
    (s12*s234*s34^2*z12*z34) - (3*s23^2*s24*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) + (3*s24^2*z3*z4)/(s12*s34^2*z12*z34) + 
   (s24^2*z3*z4)/(2*s134*s34^2*z12*z34) + (s13*s24^2*z3*z4)/
    (s12*s134*s34^2*z12*z34) + (s14*s24^2*z3*z4)/(s12*s134*s34^2*z12*z34) + 
   (3*s23*s24^2*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s24^2*z3*z4)/(2*s234*s34^2*z12*z34) - (s13*s24^2*z3*z4)/
    (s12*s234*s34^2*z12*z34) - (s14*s24^2*z3*z4)/(s12*s234*s34^2*z12*z34) - 
   (3*s23*s24^2*z3*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s24^3*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s24^3*z3*z4)/(2*s12*s234*s34^2*z12*z34) + (4*z3*z4)/(s34*z12*z34) + 
   (7*s13*z3*z4)/(s12*s34*z12*z34) + (s13*z3*z4)/(s123*s34*z12*z34) + 
   (s13*z3*z4)/(s124*s34*z12*z34) + (s13^2*z3*z4)/(s12*s123*s34*z12*z34) + 
   (s13^2*z3*z4)/(s12*s124*s34*z12*z34) + (7*s14*z3*z4)/(s12*s34*z12*z34) + 
   (s14*z3*z4)/(s123*s34*z12*z34) + (s14*z3*z4)/(s124*s34*z12*z34) + 
   (2*s13*s14*z3*z4)/(s12*s123*s34*z12*z34) + 
   (2*s13*s14*z3*z4)/(s12*s124*s34*z12*z34) + 
   (s14^2*z3*z4)/(s12*s123*s34*z12*z34) + 
   (s14^2*z3*z4)/(s12*s124*s34*z12*z34) + (7*s23*z3*z4)/(s12*s34*z12*z34) + 
   (s23*z3*z4)/(s123*s34*z12*z34) + (s23*z3*z4)/(s124*s34*z12*z34) + 
   (2*s13*s23*z3*z4)/(s12*s123*s34*z12*z34) + 
   (2*s13*s23*z3*z4)/(s12*s124*s34*z12*z34) + 
   (s23*z3*z4)/(s134*s34*z12*z34) + (3*s13*s23*z3*z4)/
    (2*s12*s134*s34*z12*z34) + (2*s14*s23*z3*z4)/(s12*s123*s34*z12*z34) + 
   (2*s14*s23*z3*z4)/(s12*s124*s34*z12*z34) + 
   (3*s14*s23*z3*z4)/(2*s12*s134*s34*z12*z34) + 
   (s23^2*z3*z4)/(s12*s123*s34*z12*z34) + 
   (s23^2*z3*z4)/(s12*s124*s34*z12*z34) + (3*s23^2*z3*z4)/
    (2*s12*s134*s34*z12*z34) - (s23*z3*z4)/(s234*s34*z12*z34) - 
   (3*s13*s23*z3*z4)/(2*s12*s234*s34*z12*z34) - 
   (3*s14*s23*z3*z4)/(2*s12*s234*s34*z12*z34) - 
   (3*s23^2*z3*z4)/(2*s12*s234*s34*z12*z34) + 
   (7*s24*z3*z4)/(s12*s34*z12*z34) + (s24*z3*z4)/(s123*s34*z12*z34) + 
   (s24*z3*z4)/(s124*s34*z12*z34) + (2*s13*s24*z3*z4)/
    (s12*s123*s34*z12*z34) + (2*s13*s24*z3*z4)/(s12*s124*s34*z12*z34) + 
   (s24*z3*z4)/(s134*s34*z12*z34) + (3*s13*s24*z3*z4)/
    (2*s12*s134*s34*z12*z34) + (2*s14*s24*z3*z4)/(s12*s123*s34*z12*z34) + 
   (2*s14*s24*z3*z4)/(s12*s124*s34*z12*z34) + 
   (3*s14*s24*z3*z4)/(2*s12*s134*s34*z12*z34) + 
   (2*s23*s24*z3*z4)/(s12*s123*s34*z12*z34) + 
   (2*s23*s24*z3*z4)/(s12*s124*s34*z12*z34) + 
   (3*s23*s24*z3*z4)/(s12*s134*s34*z12*z34) - 
   (s24*z3*z4)/(s234*s34*z12*z34) - (3*s13*s24*z3*z4)/
    (2*s12*s234*s34*z12*z34) - (3*s14*s24*z3*z4)/(2*s12*s234*s34*z12*z34) - 
   (3*s23*s24*z3*z4)/(s12*s234*s34*z12*z34) + 
   (s24^2*z3*z4)/(s12*s123*s34*z12*z34) + 
   (s24^2*z3*z4)/(s12*s124*s34*z12*z34) + (3*s24^2*z3*z4)/
    (2*s12*s134*s34*z12*z34) - (3*s24^2*z3*z4)/(2*s12*s234*s34*z12*z34) + 
   (2*s34*z3*z4)/(s12*s123*z12*z34) + (2*s34*z3*z4)/(s12*s124*z12*z34) - 
   (4*z3*z4^2)/(s12*z12*z34^2) - (2*s13*z3*z4^2)/(s34^2*z12*z34^2) - 
   (2*s13^2*z3*z4^2)/(s12*s34^2*z12*z34^2) - 
   (2*s14*z3*z4^2)/(s34^2*z12*z34^2) - (4*s13*s14*z3*z4^2)/
    (s12*s34^2*z12*z34^2) - (2*s14^2*z3*z4^2)/(s12*s34^2*z12*z34^2) - 
   (2*s23*z3*z4^2)/(s34^2*z12*z34^2) - (4*s13*s23*z3*z4^2)/
    (s12*s34^2*z12*z34^2) - (4*s14*s23*z3*z4^2)/(s12*s34^2*z12*z34^2) - 
   (2*s23^2*z3*z4^2)/(s12*s34^2*z12*z34^2) - 
   (2*s24*z3*z4^2)/(s34^2*z12*z34^2) - (4*s13*s24*z3*z4^2)/
    (s12*s34^2*z12*z34^2) - (4*s14*s24*z3*z4^2)/(s12*s34^2*z12*z34^2) - 
   (4*s23*s24*z3*z4^2)/(s12*s34^2*z12*z34^2) - 
   (2*s24^2*z3*z4^2)/(s12*s34^2*z12*z34^2) - (4*z3*z4^2)/(s34*z12*z34^2) - 
   (6*s13*z3*z4^2)/(s12*s34*z12*z34^2) - (6*s14*z3*z4^2)/
    (s12*s34*z12*z34^2) - (6*s23*z3*z4^2)/(s12*s34*z12*z34^2) - 
   (6*s24*z3*z4^2)/(s12*s34*z12*z34^2) - (s23*z4^2)/(s12*s134*z12*z34) + 
   (s23*z4^2)/(s12*s234*z12*z34) + (s13*z4^2)/(s34^2*z12*z34) + 
   (s13^2*z4^2)/(s12*s34^2*z12*z34) + (s13*s14*z4^2)/(s12*s34^2*z12*z34) + 
   (s23*z4^2)/(s34^2*z12*z34) + (2*s13*s23*z4^2)/(s12*s34^2*z12*z34) - 
   (s13*s23*z4^2)/(2*s134*s34^2*z12*z34) - (s13^2*s23*z4^2)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s23*z4^2)/(s12*s34^2*z12*z34) - 
   (s14*s23*z4^2)/(2*s134*s34^2*z12*z34) - (s13*s14*s23*z4^2)/
    (s12*s134*s34^2*z12*z34) - (s14^2*s23*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s23^2*z4^2)/(s12*s34^2*z12*z34) - (s23^2*z4^2)/(2*s134*s34^2*z12*z34) - 
   (s13*s23^2*z4^2)/(s12*s134*s34^2*z12*z34) - 
   (s14*s23^2*z4^2)/(s12*s134*s34^2*z12*z34) - 
   (s23^3*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s13*s23*z4^2)/(2*s234*s34^2*z12*z34) + (s13^2*s23*z4^2)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s23*z4^2)/(2*s234*s34^2*z12*z34) + 
   (s13*s14*s23*z4^2)/(s12*s234*s34^2*z12*z34) + 
   (s14^2*s23*z4^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s23^2*z4^2)/(2*s234*s34^2*z12*z34) + (s13*s23^2*z4^2)/
    (s12*s234*s34^2*z12*z34) + (s14*s23^2*z4^2)/(s12*s234*s34^2*z12*z34) + 
   (s23^3*z4^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*s24*z4^2)/(s12*s34^2*z12*z34) + (s23*s24*z4^2)/(s12*s34^2*z12*z34) - 
   (s23*s24*z4^2)/(2*s134*s34^2*z12*z34) - (s13*s23*s24*z4^2)/
    (s12*s134*s34^2*z12*z34) - (s14*s23*s24*z4^2)/(s12*s134*s34^2*z12*z34) - 
   (s23^2*s24*z4^2)/(s12*s134*s34^2*z12*z34) + 
   (s23*s24*z4^2)/(2*s234*s34^2*z12*z34) + (s13*s23*s24*z4^2)/
    (s12*s234*s34^2*z12*z34) + (s14*s23*s24*z4^2)/(s12*s234*s34^2*z12*z34) + 
   (s23^2*s24*z4^2)/(s12*s234*s34^2*z12*z34) - 
   (s23*s24^2*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s23*s24^2*z4^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*z4^2)/(s12*s34*z12*z34) + (s23*z4^2)/(s12*s34*z12*z34) - 
   (s23*z4^2)/(s134*s34*z12*z34) - (3*s13*s23*z4^2)/
    (2*s12*s134*s34*z12*z34) - (3*s14*s23*z4^2)/(2*s12*s134*s34*z12*z34) - 
   (3*s23^2*z4^2)/(2*s12*s134*s34*z12*z34) + (s23*z4^2)/(s234*s34*z12*z34) + 
   (3*s13*s23*z4^2)/(2*s12*s234*s34*z12*z34) + 
   (3*s14*s23*z4^2)/(2*s12*s234*s34*z12*z34) + 
   (3*s23^2*z4^2)/(2*s12*s234*s34*z12*z34) - (3*s23*s24*z4^2)/
    (2*s12*s134*s34*z12*z34) + (3*s23*s24*z4^2)/(2*s12*s234*s34*z12*z34)) + 
 k3k3*(-2/s12 + D/(2*s12) - 2/s134 + D/(2*s134) + (D*s14)/(2*s12*s123) + 
   (3*s14)/(s12*s124) - (D*s14)/(2*s12*s124) + (2*s14)/(s123*s124) + 
   (2*s13*s14)/(s12*s123*s124) + (D*s14)/(s123*s134) - (2*s14)/(s124*s134) + 
   (D*s14)/(2*s124*s134) + (2*s14^2)/(s12*s123*s124) - 
   (s14*s23)/(s12^2*s123) + (2*s14*s23)/(s12*s123*s124) - 2/s234 + 
   D/(2*s234) - (4*s12)/(s134*s234) + (D*s12)/(s134*s234) + 
   (2*s14)/(s123*s234) - (D*s14)/(2*s123*s234) + (4*s14)/(s124*s234) - 
   (D*s14)/(s124*s234) + (2*s14*s23)/(s12*s123*s234) + (D*s24)/(2*s12*s123) + 
   (3*s24)/(s12*s124) - (D*s24)/(2*s12*s124) + (2*s24)/(s123*s124) - 
   (s13*s24)/(s12^2*s123) + (2*s13*s24)/(s12*s123*s124) - 
   (4*s24)/(s123*s134) + (D*s24)/(s123*s134) - (2*s24)/(s124*s134) + 
   (D*s24)/(2*s124*s134) - (4*s13*s24)/(s12*s123*s134) - 
   (2*s14*s24)/(s12^2*s124) + (4*s14*s24)/(s12*s123*s124) + 
   (2*s14*s24)/(s12*s124*s134) + (2*s23*s24)/(s12*s123*s124) - 
   (D*s24)/(2*s123*s234) + (4*s24)/(s124*s234) - (D*s24)/(s124*s234) - 
   (4*s14*s24)/(s12*s124*s234) + (2*s24^2)/(s12*s123*s124) + (2*s14)/s34^2 + 
   (2*s13*s14)/(s12*s34^2) + (s12*s14)/(s134*s34^2) + 
   (s13*s14)/(s134*s34^2) + (2*s14^2)/(s12*s34^2) + s14^2/(s134*s34^2) + 
   (s14*s23)/(s12*s34^2) - (s13*s14*s23)/(s12^2*s34^2) + 
   (s14*s23)/(s134*s34^2) - (s14^2*s23)/(s12^2*s34^2) - 
   (s14*s23^2)/(s12^2*s34^2) - (s14*s23)/(s234*s34^2) - 
   (s13*s14*s23)/(s12*s234*s34^2) - (s14^2*s23)/(s12*s234*s34^2) - 
   (s14*s23^2)/(s12*s234*s34^2) + (2*s24)/s34^2 + (s13*s24)/(s12*s34^2) - 
   (s13^2*s24)/(s12^2*s34^2) - (s13*s24)/(s134*s34^2) - 
   (s13^2*s24)/(s12*s134*s34^2) - (5*s13*s14*s24)/(s12^2*s34^2) - 
   (2*s14*s24)/(s134*s34^2) - (4*s13*s14*s24)/(s12*s134*s34^2) - 
   (4*s14^2*s24)/(s12^2*s34^2) - (3*s14^2*s24)/(s12*s134*s34^2) + 
   (2*s23*s24)/(s12*s34^2) - (s13*s23*s24)/(s12^2*s34^2) - 
   (s13*s23*s24)/(s12*s134*s34^2) - (5*s14*s23*s24)/(s12^2*s34^2) - 
   (3*s14*s23*s24)/(s12*s134*s34^2) + (s12*s24)/(s234*s34^2) + 
   (s13*s24)/(s234*s34^2) - (2*s14*s24)/(s234*s34^2) - 
   (3*s13*s14*s24)/(s12*s234*s34^2) - (4*s12*s14*s24)/(s134*s234*s34^2) - 
   (4*s13*s14*s24)/(s134*s234*s34^2) - (3*s14^2*s24)/(s12*s234*s34^2) - 
   (4*s14^2*s24)/(s134*s234*s34^2) + (s23*s24)/(s234*s34^2) - 
   (4*s14*s23*s24)/(s12*s234*s34^2) - (4*s14*s23*s24)/(s134*s234*s34^2) + 
   (2*s24^2)/(s12*s34^2) - (s13*s24^2)/(s12^2*s34^2) - 
   (s13*s24^2)/(s12*s134*s34^2) - (4*s14*s24^2)/(s12^2*s34^2) - 
   (3*s14*s24^2)/(s12*s134*s34^2) + s24^2/(s234*s34^2) - 
   (3*s14*s24^2)/(s12*s234*s34^2) - (4*s14*s24^2)/(s134*s234*s34^2) - 2/s34 + 
   D/(2*s34) - (2*s13)/(s12*s34) + (D*s13)/(2*s12*s34) - (2*s12)/(s134*s34) + 
   (D*s12)/(2*s134*s34) - (2*s13)/(s134*s34) + (D*s13)/(2*s134*s34) + 
   (D*s14)/(2*s12*s34) + (D*s14)/(2*s123*s34) + (3*s14)/(s124*s34) - 
   (D*s14)/(2*s124*s34) + (D*s13*s14)/(2*s12*s123*s34) + 
   (3*s13*s14)/(s12*s124*s34) - (D*s13*s14)/(2*s12*s124*s34) - 
   s14/(s134*s34) + (D*s14)/(2*s134*s34) + (D*s12*s14)/(s123*s134*s34) - 
   (2*s12*s14)/(s124*s134*s34) + (D*s12*s14)/(2*s124*s134*s34) + 
   (D*s13*s14)/(s123*s134*s34) - (2*s13*s14)/(s124*s134*s34) + 
   (D*s13*s14)/(2*s124*s134*s34) + (D*s14^2)/(2*s12*s123*s34) + 
   (3*s14^2)/(s12*s124*s34) - (D*s14^2)/(2*s12*s124*s34) + 
   (D*s14^2)/(s123*s134*s34) - (2*s14^2)/(s124*s134*s34) + 
   (D*s14^2)/(2*s124*s134*s34) - (2*s23)/(s12*s34) + (D*s23)/(2*s12*s34) - 
   (2*s23)/(s134*s34) + (D*s23)/(2*s134*s34) - (s14*s23)/(s12^2*s34) - 
   (s14*s23)/(s12*s123*s34) + (D*s14*s23)/(2*s12*s123*s34) + 
   (3*s14*s23)/(s12*s124*s34) - (D*s14*s23)/(2*s12*s124*s34) - 
   (s13*s14*s23)/(s12^2*s123*s34) + (D*s14*s23)/(s123*s134*s34) - 
   (2*s14*s23)/(s124*s134*s34) + (D*s14*s23)/(2*s124*s134*s34) - 
   (s14^2*s23)/(s12^2*s123*s34) - (s14*s23^2)/(s12^2*s123*s34) - 
   (2*s12)/(s234*s34) + (D*s12)/(2*s234*s34) - (2*s13)/(s234*s34) + 
   (D*s13)/(2*s234*s34) - (4*s12^2)/(s134*s234*s34) + 
   (D*s12^2)/(s134*s234*s34) - (4*s12*s13)/(s134*s234*s34) + 
   (D*s12*s13)/(s134*s234*s34) - (2*s14)/(s234*s34) + (D*s14)/(2*s234*s34) + 
   (2*s12*s14)/(s123*s234*s34) - (D*s12*s14)/(2*s123*s234*s34) + 
   (4*s12*s14)/(s124*s234*s34) - (D*s12*s14)/(s124*s234*s34) + 
   (2*s13*s14)/(s123*s234*s34) - (D*s13*s14)/(2*s123*s234*s34) + 
   (4*s13*s14)/(s124*s234*s34) - (D*s13*s14)/(s124*s234*s34) - 
   (4*s12*s14)/(s134*s234*s34) + (D*s12*s14)/(s134*s234*s34) + 
   (2*s14^2)/(s123*s234*s34) - (D*s14^2)/(2*s123*s234*s34) + 
   (4*s14^2)/(s124*s234*s34) - (D*s14^2)/(s124*s234*s34) - 
   (2*s23)/(s234*s34) + (D*s23)/(2*s234*s34) - (4*s12*s23)/(s134*s234*s34) + 
   (D*s12*s23)/(s134*s234*s34) - (s14*s23)/(s12*s234*s34) + 
   (4*s14*s23)/(s123*s234*s34) - (D*s14*s23)/(2*s123*s234*s34) + 
   (4*s14*s23)/(s124*s234*s34) - (D*s14*s23)/(s124*s234*s34) + 
   (2*s13*s14*s23)/(s12*s123*s234*s34) + (2*s14^2*s23)/(s12*s123*s234*s34) + 
   (2*s14*s23^2)/(s12*s123*s234*s34) + (D*s24)/(2*s12*s34) + 
   (D*s24)/(2*s123*s34) + (3*s24)/(s124*s34) - (D*s24)/(2*s124*s34) - 
   (s13*s24)/(s12^2*s34) - (s13*s24)/(s12*s123*s34) + 
   (D*s13*s24)/(2*s12*s123*s34) + (3*s13*s24)/(s12*s124*s34) - 
   (D*s13*s24)/(2*s12*s124*s34) - (s13^2*s24)/(s12^2*s123*s34) - 
   (2*s24)/(s134*s34) + (D*s24)/(2*s134*s34) - (4*s12*s24)/(s123*s134*s34) + 
   (D*s12*s24)/(s123*s134*s34) - (2*s12*s24)/(s124*s134*s34) + 
   (D*s12*s24)/(2*s124*s134*s34) - (s13*s24)/(s12*s134*s34) - 
   (8*s13*s24)/(s123*s134*s34) + (D*s13*s24)/(s123*s134*s34) - 
   (2*s13*s24)/(s124*s134*s34) + (D*s13*s24)/(2*s124*s134*s34) - 
   (4*s13^2*s24)/(s12*s123*s134*s34) - (4*s14*s24)/(s12^2*s34) + 
   (D*s14*s24)/(s12*s123*s34) + (4*s14*s24)/(s12*s124*s34) - 
   (D*s14*s24)/(s12*s124*s34) - (s13*s14*s24)/(s12^2*s123*s34) - 
   (2*s13*s14*s24)/(s12^2*s124*s34) - (3*s14*s24)/(s12*s134*s34) - 
   (4*s14*s24)/(s123*s134*s34) + (2*D*s14*s24)/(s123*s134*s34) - 
   (2*s14*s24)/(s124*s134*s34) + (D*s14*s24)/(s124*s134*s34) - 
   (4*s13*s14*s24)/(s12*s123*s134*s34) + (2*s13*s14*s24)/
    (s12*s124*s134*s34) - (2*s14^2*s24)/(s12^2*s124*s34) + 
   (2*s14^2*s24)/(s12*s124*s134*s34) + (D*s23*s24)/(2*s12*s123*s34) + 
   (3*s23*s24)/(s12*s124*s34) - (D*s23*s24)/(2*s12*s124*s34) - 
   (s13*s23*s24)/(s12^2*s123*s34) - (4*s23*s24)/(s123*s134*s34) + 
   (D*s23*s24)/(s123*s134*s34) - (2*s23*s24)/(s124*s134*s34) + 
   (D*s23*s24)/(2*s124*s134*s34) - (4*s13*s23*s24)/(s12*s123*s134*s34) - 
   (s14*s23*s24)/(s12^2*s123*s34) - (2*s14*s23*s24)/(s12^2*s124*s34) + 
   (2*s14*s23*s24)/(s12*s124*s134*s34) - s24/(s234*s34) + 
   (D*s24)/(2*s234*s34) - (D*s12*s24)/(2*s123*s234*s34) + 
   (4*s12*s24)/(s124*s234*s34) - (D*s12*s24)/(s124*s234*s34) - 
   (D*s13*s24)/(2*s123*s234*s34) + (4*s13*s24)/(s124*s234*s34) - 
   (D*s13*s24)/(s124*s234*s34) - (4*s12*s24)/(s134*s234*s34) + 
   (D*s12*s24)/(s134*s234*s34) - (3*s14*s24)/(s12*s234*s34) + 
   (2*s14*s24)/(s123*s234*s34) - (D*s14*s24)/(s123*s234*s34) + 
   (4*s14*s24)/(s124*s234*s34) - (2*D*s14*s24)/(s124*s234*s34) - 
   (4*s13*s14*s24)/(s12*s124*s234*s34) - (4*s14*s24)/(s134*s234*s34) - 
   (4*s14^2*s24)/(s12*s124*s234*s34) - (D*s23*s24)/(2*s123*s234*s34) + 
   (4*s23*s24)/(s124*s234*s34) - (D*s23*s24)/(s124*s234*s34) + 
   (2*s14*s23*s24)/(s12*s123*s234*s34) - (4*s14*s23*s24)/
    (s12*s124*s234*s34) + (D*s24^2)/(2*s12*s123*s34) + 
   (3*s24^2)/(s12*s124*s34) - (D*s24^2)/(2*s12*s124*s34) - 
   (s13*s24^2)/(s12^2*s123*s34) - (4*s24^2)/(s123*s134*s34) + 
   (D*s24^2)/(s123*s134*s34) - (2*s24^2)/(s124*s134*s34) + 
   (D*s24^2)/(2*s124*s134*s34) - (4*s13*s24^2)/(s12*s123*s134*s34) - 
   (2*s14*s24^2)/(s12^2*s124*s34) + (2*s14*s24^2)/(s12*s124*s134*s34) - 
   (D*s24^2)/(2*s123*s234*s34) + (4*s24^2)/(s124*s234*s34) - 
   (D*s24^2)/(s124*s234*s34) - (4*s14*s24^2)/(s12*s124*s234*s34) + 
   (2*s14*s34)/(s12*s123*s124) + (2*s24*s34)/(s12*s123*s124) + 
   (s14*s23*z1)/(s12^2*s123*z12) + (2*s24*z1)/(s12*s124*z12) + 
   (s13*s24*z1)/(s12^2*s123*z12) + (2*s24*z1)/(s123*s134*z12) - 
   (s24*z1)/(s124*s134*z12) + (2*s13*s24*z1)/(s12*s123*s134*z12) + 
   (2*s14*s24*z1)/(s12^2*s124*z12) - (s14*s24*z1)/(s12*s124*s134*z12) + 
   (2*s23*s24*z1)/(s12^2*s123*z12) + (2*s23*s24*z1)/(s12*s123*s134*z12) - 
   (s24*z1)/(s123*s234*z12) + (2*s24*z1)/(s124*s234*z12) - 
   (s13*s24*z1)/(s12*s123*s234*z12) + (2*s14*s24*z1)/(s12*s124*s234*z12) - 
   (s23*s24*z1)/(s12*s123*s234*z12) + (2*s24^2*z1)/(s12^2*s124*z12) - 
   (s24^2*z1)/(s12*s124*s134*z12) + (2*s24^2*z1)/(s12*s124*s234*z12) + 
   (s14*s23*z1)/(s12*s34^2*z12) + (s13*s14*s23*z1)/(s12^2*s34^2*z12) + 
   (s14^2*s23*z1)/(s12^2*s34^2*z12) + (s14*s23^2*z1)/(s12^2*s34^2*z12) + 
   (2*s24*z1)/(s34^2*z12) + (3*s13*s24*z1)/(s12*s34^2*z12) + 
   (s13^2*s24*z1)/(s12^2*s34^2*z12) + (s12*s24*z1)/(s134*s34^2*z12) + 
   (3*s13*s24*z1)/(2*s134*s34^2*z12) + (s13^2*s24*z1)/
    (2*s12*s134*s34^2*z12) + (6*s14*s24*z1)/(s12*s34^2*z12) + 
   (5*s13*s14*s24*z1)/(s12^2*s34^2*z12) + (5*s14*s24*z1)/(2*s134*s34^2*z12) + 
   (2*s13*s14*s24*z1)/(s12*s134*s34^2*z12) + (4*s14^2*s24*z1)/
    (s12^2*s34^2*z12) + (3*s14^2*s24*z1)/(2*s12*s134*s34^2*z12) + 
   (4*s23*s24*z1)/(s12*s34^2*z12) + (3*s13*s23*s24*z1)/(s12^2*s34^2*z12) + 
   (3*s23*s24*z1)/(2*s134*s34^2*z12) + (s13*s23*s24*z1)/
    (s12*s134*s34^2*z12) + (7*s14*s23*s24*z1)/(s12^2*s34^2*z12) + 
   (2*s14*s23*s24*z1)/(s12*s134*s34^2*z12) + (2*s23^2*s24*z1)/
    (s12^2*s34^2*z12) + (s23^2*s24*z1)/(2*s12*s134*s34^2*z12) + 
   (s12*s24*z1)/(s234*s34^2*z12) + (3*s13*s24*z1)/(2*s234*s34^2*z12) + 
   (s13^2*s24*z1)/(2*s12*s234*s34^2*z12) + 
   (5*s14*s24*z1)/(2*s234*s34^2*z12) + (2*s13*s14*s24*z1)/
    (s12*s234*s34^2*z12) + (3*s14^2*s24*z1)/(2*s12*s234*s34^2*z12) + 
   (3*s23*s24*z1)/(2*s234*s34^2*z12) + (s13*s23*s24*z1)/
    (s12*s234*s34^2*z12) + (2*s14*s23*s24*z1)/(s12*s234*s34^2*z12) + 
   (s23^2*s24*z1)/(2*s12*s234*s34^2*z12) + (6*s24^2*z1)/(s12*s34^2*z12) + 
   (5*s13*s24^2*z1)/(s12^2*s34^2*z12) + (5*s24^2*z1)/(2*s134*s34^2*z12) + 
   (2*s13*s24^2*z1)/(s12*s134*s34^2*z12) + (8*s14*s24^2*z1)/
    (s12^2*s34^2*z12) + (3*s14*s24^2*z1)/(s12*s134*s34^2*z12) + 
   (6*s23*s24^2*z1)/(s12^2*s34^2*z12) + (2*s23*s24^2*z1)/
    (s12*s134*s34^2*z12) + (5*s24^2*z1)/(2*s234*s34^2*z12) + 
   (2*s13*s24^2*z1)/(s12*s234*s34^2*z12) + (3*s14*s24^2*z1)/
    (s12*s234*s34^2*z12) + (2*s23*s24^2*z1)/(s12*s234*s34^2*z12) + 
   (4*s24^3*z1)/(s12^2*s34^2*z12) + (3*s24^3*z1)/(2*s12*s134*s34^2*z12) + 
   (3*s24^3*z1)/(2*s12*s234*s34^2*z12) + (s14*s23*z1)/(s12^2*s34*z12) + 
   (s14*s23*z1)/(s12*s123*s34*z12) + (s13*s14*s23*z1)/(s12^2*s123*s34*z12) + 
   (s14^2*s23*z1)/(s12^2*s123*s34*z12) + (s14*s23^2*z1)/
    (s12^2*s123*s34*z12) + (2*s24*z1)/(s12*s34*z12) + 
   (2*s24*z1)/(s124*s34*z12) + (s13*s24*z1)/(s12^2*s34*z12) + 
   (s13*s24*z1)/(s12*s123*s34*z12) + (2*s13*s24*z1)/(s12*s124*s34*z12) + 
   (s13^2*s24*z1)/(s12^2*s123*s34*z12) + (s24*z1)/(s134*s34*z12) + 
   (2*s12*s24*z1)/(s123*s134*s34*z12) - (s12*s24*z1)/(s124*s134*s34*z12) + 
   (s13*s24*z1)/(2*s12*s134*s34*z12) + (4*s13*s24*z1)/(s123*s134*s34*z12) - 
   (s13*s24*z1)/(s124*s134*s34*z12) + (2*s13^2*s24*z1)/
    (s12*s123*s134*s34*z12) + (4*s14*s24*z1)/(s12^2*s34*z12) + 
   (4*s14*s24*z1)/(s12*s124*s34*z12) + (s13*s14*s24*z1)/
    (s12^2*s123*s34*z12) + (2*s13*s14*s24*z1)/(s12^2*s124*s34*z12) + 
   (3*s14*s24*z1)/(2*s12*s134*s34*z12) + (2*s14*s24*z1)/(s123*s134*s34*z12) - 
   (2*s14*s24*z1)/(s124*s134*s34*z12) + (2*s13*s14*s24*z1)/
    (s12*s123*s134*s34*z12) - (s13*s14*s24*z1)/(s12*s124*s134*s34*z12) + 
   (2*s14^2*s24*z1)/(s12^2*s124*s34*z12) - 
   (s14^2*s24*z1)/(s12*s124*s134*s34*z12) + (2*s23*s24*z1)/(s12^2*s34*z12) + 
   (2*s23*s24*z1)/(s12*s123*s34*z12) + (2*s23*s24*z1)/(s12*s124*s34*z12) + 
   (3*s13*s23*s24*z1)/(s12^2*s123*s34*z12) + 
   (s23*s24*z1)/(2*s12*s134*s34*z12) + (4*s23*s24*z1)/(s123*s134*s34*z12) - 
   (s23*s24*z1)/(s124*s134*s34*z12) + (4*s13*s23*s24*z1)/
    (s12*s123*s134*s34*z12) + (3*s14*s23*s24*z1)/(s12^2*s123*s34*z12) + 
   (2*s14*s23*s24*z1)/(s12^2*s124*s34*z12) + (2*s14*s23*s24*z1)/
    (s12*s123*s134*s34*z12) - (s14*s23*s24*z1)/(s12*s124*s134*s34*z12) + 
   (2*s23^2*s24*z1)/(s12^2*s123*s34*z12) + (2*s23^2*s24*z1)/
    (s12*s123*s134*s34*z12) + (s24*z1)/(s234*s34*z12) - 
   (s12*s24*z1)/(s123*s234*s34*z12) + (2*s12*s24*z1)/(s124*s234*s34*z12) + 
   (s13*s24*z1)/(2*s12*s234*s34*z12) - (2*s13*s24*z1)/(s123*s234*s34*z12) + 
   (2*s13*s24*z1)/(s124*s234*s34*z12) - (s13^2*s24*z1)/
    (s12*s123*s234*s34*z12) + (3*s14*s24*z1)/(2*s12*s234*s34*z12) - 
   (s14*s24*z1)/(s123*s234*s34*z12) + (4*s14*s24*z1)/(s124*s234*s34*z12) - 
   (s13*s14*s24*z1)/(s12*s123*s234*s34*z12) + (2*s13*s14*s24*z1)/
    (s12*s124*s234*s34*z12) + (2*s14^2*s24*z1)/(s12*s124*s234*s34*z12) + 
   (s23*s24*z1)/(2*s12*s234*s34*z12) - (2*s23*s24*z1)/(s123*s234*s34*z12) + 
   (2*s23*s24*z1)/(s124*s234*s34*z12) - (2*s13*s23*s24*z1)/
    (s12*s123*s234*s34*z12) - (s14*s23*s24*z1)/(s12*s123*s234*s34*z12) + 
   (2*s14*s23*s24*z1)/(s12*s124*s234*s34*z12) - 
   (s23^2*s24*z1)/(s12*s123*s234*s34*z12) + (4*s24^2*z1)/(s12^2*s34*z12) + 
   (4*s24^2*z1)/(s12*s124*s34*z12) + (s13*s24^2*z1)/(s12^2*s123*s34*z12) + 
   (2*s13*s24^2*z1)/(s12^2*s124*s34*z12) + 
   (3*s24^2*z1)/(2*s12*s134*s34*z12) + (2*s24^2*z1)/(s123*s134*s34*z12) - 
   (2*s24^2*z1)/(s124*s134*s34*z12) + (2*s13*s24^2*z1)/
    (s12*s123*s134*s34*z12) - (s13*s24^2*z1)/(s12*s124*s134*s34*z12) + 
   (4*s14*s24^2*z1)/(s12^2*s124*s34*z12) - (2*s14*s24^2*z1)/
    (s12*s124*s134*s34*z12) + (2*s23*s24^2*z1)/(s12^2*s123*s34*z12) + 
   (2*s23*s24^2*z1)/(s12^2*s124*s34*z12) + (2*s23*s24^2*z1)/
    (s12*s123*s134*s34*z12) - (s23*s24^2*z1)/(s12*s124*s134*s34*z12) + 
   (3*s24^2*z1)/(2*s12*s234*s34*z12) - (s24^2*z1)/(s123*s234*s34*z12) + 
   (4*s24^2*z1)/(s124*s234*s34*z12) - (s13*s24^2*z1)/
    (s12*s123*s234*s34*z12) + (2*s13*s24^2*z1)/(s12*s124*s234*s34*z12) + 
   (4*s14*s24^2*z1)/(s12*s124*s234*s34*z12) - 
   (s23*s24^2*z1)/(s12*s123*s234*s34*z12) + (2*s23*s24^2*z1)/
    (s12*s124*s234*s34*z12) + (2*s24^3*z1)/(s12^2*s124*s34*z12) - 
   (s24^3*z1)/(s12*s124*s134*s34*z12) + 
   (2*s24^3*z1)/(s12*s124*s234*s34*z12) - (2*z1*z2)/(s12*z12^2) - 
   (2*s14*z1*z2)/(s12*s123*z12^2) - (2*s14*z1*z2)/(s12*s124*z12^2) - 
   (2*s13*s14*z1*z2)/(s12^2*s123*z12^2) - (2*s14^2*z1*z2)/
    (s12^2*s124*z12^2) - (2*s14*s23*z1*z2)/(s12^2*s123*z12^2) - 
   (2*s24*z1*z2)/(s12*s123*z12^2) - (2*s24*z1*z2)/(s12*s124*z12^2) - 
   (2*s13*s24*z1*z2)/(s12^2*s123*z12^2) - (4*s14*s24*z1*z2)/
    (s12^2*s124*z12^2) - (2*s23*s24*z1*z2)/(s12^2*s123*z12^2) - 
   (2*s24^2*z1*z2)/(s12^2*s124*z12^2) - (4*s14*z1*z2)/(s34^2*z12^2) - 
   (6*s13*s14*z1*z2)/(s12*s34^2*z12^2) - (2*s13^2*s14*z1*z2)/
    (s12^2*s34^2*z12^2) - (8*s14^2*z1*z2)/(s12*s34^2*z12^2) - 
   (6*s13*s14^2*z1*z2)/(s12^2*s34^2*z12^2) - 
   (4*s14^3*z1*z2)/(s12^2*s34^2*z12^2) - (6*s14*s23*z1*z2)/
    (s12*s34^2*z12^2) - (4*s13*s14*s23*z1*z2)/(s12^2*s34^2*z12^2) - 
   (6*s14^2*s23*z1*z2)/(s12^2*s34^2*z12^2) - (2*s14*s23^2*z1*z2)/
    (s12^2*s34^2*z12^2) - (4*s24*z1*z2)/(s34^2*z12^2) - 
   (6*s13*s24*z1*z2)/(s12*s34^2*z12^2) - (2*s13^2*s24*z1*z2)/
    (s12^2*s34^2*z12^2) - (16*s14*s24*z1*z2)/(s12*s34^2*z12^2) - 
   (12*s13*s14*s24*z1*z2)/(s12^2*s34^2*z12^2) - 
   (12*s14^2*s24*z1*z2)/(s12^2*s34^2*z12^2) - 
   (6*s23*s24*z1*z2)/(s12*s34^2*z12^2) - (4*s13*s23*s24*z1*z2)/
    (s12^2*s34^2*z12^2) - (12*s14*s23*s24*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*s23^2*s24*z1*z2)/(s12^2*s34^2*z12^2) - 
   (8*s24^2*z1*z2)/(s12*s34^2*z12^2) - (6*s13*s24^2*z1*z2)/
    (s12^2*s34^2*z12^2) - (12*s14*s24^2*z1*z2)/(s12^2*s34^2*z12^2) - 
   (6*s23*s24^2*z1*z2)/(s12^2*s34^2*z12^2) - 
   (4*s24^3*z1*z2)/(s12^2*s34^2*z12^2) - (2*z1*z2)/(s34*z12^2) - 
   (2*s13*z1*z2)/(s12*s34*z12^2) - (6*s14*z1*z2)/(s12*s34*z12^2) - 
   (2*s14*z1*z2)/(s123*s34*z12^2) - (2*s14*z1*z2)/(s124*s34*z12^2) - 
   (2*s13*s14*z1*z2)/(s12^2*s34*z12^2) - (4*s13*s14*z1*z2)/
    (s12*s123*s34*z12^2) - (2*s13*s14*z1*z2)/(s12*s124*s34*z12^2) - 
   (2*s13^2*s14*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (4*s14^2*z1*z2)/(s12^2*s34*z12^2) - (2*s14^2*z1*z2)/(s12*s123*s34*z12^2) - 
   (4*s14^2*z1*z2)/(s12*s124*s34*z12^2) - (2*s13*s14^2*z1*z2)/
    (s12^2*s123*s34*z12^2) - (2*s13*s14^2*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (2*s14^3*z1*z2)/(s12^2*s124*s34*z12^2) - (2*s23*z1*z2)/(s12*s34*z12^2) - 
   (2*s14*s23*z1*z2)/(s12^2*s34*z12^2) - (4*s14*s23*z1*z2)/
    (s12*s123*s34*z12^2) - (2*s14*s23*z1*z2)/(s12*s124*s34*z12^2) - 
   (4*s13*s14*s23*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s14^2*s23*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s14^2*s23*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (2*s14*s23^2*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (6*s24*z1*z2)/(s12*s34*z12^2) - (2*s24*z1*z2)/(s123*s34*z12^2) - 
   (2*s24*z1*z2)/(s124*s34*z12^2) - (2*s13*s24*z1*z2)/(s12^2*s34*z12^2) - 
   (4*s13*s24*z1*z2)/(s12*s123*s34*z12^2) - (2*s13*s24*z1*z2)/
    (s12*s124*s34*z12^2) - (2*s13^2*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (8*s14*s24*z1*z2)/(s12^2*s34*z12^2) - (4*s14*s24*z1*z2)/
    (s12*s123*s34*z12^2) - (8*s14*s24*z1*z2)/(s12*s124*s34*z12^2) - 
   (4*s13*s14*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (4*s13*s14*s24*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (6*s14^2*s24*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (2*s23*s24*z1*z2)/(s12^2*s34*z12^2) - (4*s23*s24*z1*z2)/
    (s12*s123*s34*z12^2) - (2*s23*s24*z1*z2)/(s12*s124*s34*z12^2) - 
   (4*s13*s23*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (4*s14*s23*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (4*s14*s23*s24*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (2*s23^2*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (4*s24^2*z1*z2)/(s12^2*s34*z12^2) - (2*s24^2*z1*z2)/(s12*s123*s34*z12^2) - 
   (4*s24^2*z1*z2)/(s12*s124*s34*z12^2) - (2*s13*s24^2*z1*z2)/
    (s12^2*s123*s34*z12^2) - (2*s13*s24^2*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (6*s14*s24^2*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (2*s23*s24^2*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s23*s24^2*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (2*s24^3*z1*z2)/(s12^2*s124*s34*z12^2) + (2*s14*z2)/(s12*s124*z12) + 
   (2*s13*s14*z2)/(s12^2*s123*z12) + (2*s14*z2)/(s123*s134*z12) - 
   (s14*z2)/(s124*s134*z12) + (2*s13*s14*z2)/(s12*s123*s134*z12) + 
   (2*s14^2*z2)/(s12^2*s124*z12) - (s14^2*z2)/(s12*s124*s134*z12) + 
   (s14*s23*z2)/(s12^2*s123*z12) + (2*s14*s23*z2)/(s12*s123*s134*z12) - 
   (s14*z2)/(s123*s234*z12) + (2*s14*z2)/(s124*s234*z12) - 
   (s13*s14*z2)/(s12*s123*s234*z12) + (2*s14^2*z2)/(s12*s124*s234*z12) - 
   (s14*s23*z2)/(s12*s123*s234*z12) + (s13*s24*z2)/(s12^2*s123*z12) + 
   (2*s14*s24*z2)/(s12^2*s124*z12) - (s14*s24*z2)/(s12*s124*s134*z12) + 
   (2*s14*s24*z2)/(s12*s124*s234*z12) + (2*s14*z2)/(s34^2*z12) + 
   (4*s13*s14*z2)/(s12*s34^2*z12) + (2*s13^2*s14*z2)/(s12^2*s34^2*z12) + 
   (s12*s14*z2)/(s134*s34^2*z12) + (3*s13*s14*z2)/(2*s134*s34^2*z12) + 
   (s13^2*s14*z2)/(2*s12*s134*s34^2*z12) + (6*s14^2*z2)/(s12*s34^2*z12) + 
   (6*s13*s14^2*z2)/(s12^2*s34^2*z12) + (5*s14^2*z2)/(2*s134*s34^2*z12) + 
   (2*s13*s14^2*z2)/(s12*s134*s34^2*z12) + (4*s14^3*z2)/(s12^2*s34^2*z12) + 
   (3*s14^3*z2)/(2*s12*s134*s34^2*z12) + (3*s14*s23*z2)/(s12*s34^2*z12) + 
   (3*s13*s14*s23*z2)/(s12^2*s34^2*z12) + (3*s14*s23*z2)/(2*s134*s34^2*z12) + 
   (s13*s14*s23*z2)/(s12*s134*s34^2*z12) + (5*s14^2*s23*z2)/
    (s12^2*s34^2*z12) + (2*s14^2*s23*z2)/(s12*s134*s34^2*z12) + 
   (s14*s23^2*z2)/(s12^2*s34^2*z12) + (s14*s23^2*z2)/(2*s12*s134*s34^2*z12) + 
   (s12*s14*z2)/(s234*s34^2*z12) + (3*s13*s14*z2)/(2*s234*s34^2*z12) + 
   (s13^2*s14*z2)/(2*s12*s234*s34^2*z12) + (5*s14^2*z2)/(2*s234*s34^2*z12) + 
   (2*s13*s14^2*z2)/(s12*s234*s34^2*z12) + 
   (3*s14^3*z2)/(2*s12*s234*s34^2*z12) + (3*s14*s23*z2)/(2*s234*s34^2*z12) + 
   (s13*s14*s23*z2)/(s12*s234*s34^2*z12) + (2*s14^2*s23*z2)/
    (s12*s234*s34^2*z12) + (s14*s23^2*z2)/(2*s12*s234*s34^2*z12) + 
   (s13*s24*z2)/(s12*s34^2*z12) + (s13^2*s24*z2)/(s12^2*s34^2*z12) + 
   (6*s14*s24*z2)/(s12*s34^2*z12) + (7*s13*s14*s24*z2)/(s12^2*s34^2*z12) + 
   (5*s14*s24*z2)/(2*s134*s34^2*z12) + (2*s13*s14*s24*z2)/
    (s12*s134*s34^2*z12) + (8*s14^2*s24*z2)/(s12^2*s34^2*z12) + 
   (3*s14^2*s24*z2)/(s12*s134*s34^2*z12) + (s13*s23*s24*z2)/
    (s12^2*s34^2*z12) + (5*s14*s23*s24*z2)/(s12^2*s34^2*z12) + 
   (2*s14*s23*s24*z2)/(s12*s134*s34^2*z12) + 
   (5*s14*s24*z2)/(2*s234*s34^2*z12) + (2*s13*s14*s24*z2)/
    (s12*s234*s34^2*z12) + (3*s14^2*s24*z2)/(s12*s234*s34^2*z12) + 
   (2*s14*s23*s24*z2)/(s12*s234*s34^2*z12) + 
   (s13*s24^2*z2)/(s12^2*s34^2*z12) + (4*s14*s24^2*z2)/(s12^2*s34^2*z12) + 
   (3*s14*s24^2*z2)/(2*s12*s134*s34^2*z12) + (3*s14*s24^2*z2)/
    (2*s12*s234*s34^2*z12) + (2*s14*z2)/(s12*s34*z12) + 
   (2*s14*z2)/(s124*s34*z12) + (2*s13*s14*z2)/(s12^2*s34*z12) + 
   (2*s13*s14*z2)/(s12*s123*s34*z12) + (2*s13*s14*z2)/(s12*s124*s34*z12) + 
   (2*s13^2*s14*z2)/(s12^2*s123*s34*z12) + (s14*z2)/(s134*s34*z12) + 
   (2*s12*s14*z2)/(s123*s134*s34*z12) - (s12*s14*z2)/(s124*s134*s34*z12) + 
   (s13*s14*z2)/(2*s12*s134*s34*z12) + (4*s13*s14*z2)/(s123*s134*s34*z12) - 
   (s13*s14*z2)/(s124*s134*s34*z12) + (2*s13^2*s14*z2)/
    (s12*s123*s134*s34*z12) + (4*s14^2*z2)/(s12^2*s34*z12) + 
   (4*s14^2*z2)/(s12*s124*s34*z12) + (2*s13*s14^2*z2)/(s12^2*s123*s34*z12) + 
   (2*s13*s14^2*z2)/(s12^2*s124*s34*z12) + 
   (3*s14^2*z2)/(2*s12*s134*s34*z12) + (2*s14^2*z2)/(s123*s134*s34*z12) - 
   (2*s14^2*z2)/(s124*s134*s34*z12) + (2*s13*s14^2*z2)/
    (s12*s123*s134*s34*z12) - (s13*s14^2*z2)/(s12*s124*s134*s34*z12) + 
   (2*s14^3*z2)/(s12^2*s124*s34*z12) - (s14^3*z2)/(s12*s124*s134*s34*z12) + 
   (s14*s23*z2)/(s12^2*s34*z12) + (s14*s23*z2)/(s12*s123*s34*z12) + 
   (2*s14*s23*z2)/(s12*s124*s34*z12) + (3*s13*s14*s23*z2)/
    (s12^2*s123*s34*z12) + (s14*s23*z2)/(2*s12*s134*s34*z12) + 
   (4*s14*s23*z2)/(s123*s134*s34*z12) - (s14*s23*z2)/(s124*s134*s34*z12) + 
   (4*s13*s14*s23*z2)/(s12*s123*s134*s34*z12) + 
   (s14^2*s23*z2)/(s12^2*s123*s34*z12) + (2*s14^2*s23*z2)/
    (s12^2*s124*s34*z12) + (2*s14^2*s23*z2)/(s12*s123*s134*s34*z12) - 
   (s14^2*s23*z2)/(s12*s124*s134*s34*z12) + 
   (s14*s23^2*z2)/(s12^2*s123*s34*z12) + (2*s14*s23^2*z2)/
    (s12*s123*s134*s34*z12) + (s14*z2)/(s234*s34*z12) - 
   (s12*s14*z2)/(s123*s234*s34*z12) + (2*s12*s14*z2)/(s124*s234*s34*z12) + 
   (s13*s14*z2)/(2*s12*s234*s34*z12) - (2*s13*s14*z2)/(s123*s234*s34*z12) + 
   (2*s13*s14*z2)/(s124*s234*s34*z12) - (s13^2*s14*z2)/
    (s12*s123*s234*s34*z12) + (3*s14^2*z2)/(2*s12*s234*s34*z12) - 
   (s14^2*z2)/(s123*s234*s34*z12) + (4*s14^2*z2)/(s124*s234*s34*z12) - 
   (s13*s14^2*z2)/(s12*s123*s234*s34*z12) + (2*s13*s14^2*z2)/
    (s12*s124*s234*s34*z12) + (2*s14^3*z2)/(s12*s124*s234*s34*z12) + 
   (s14*s23*z2)/(2*s12*s234*s34*z12) - (2*s14*s23*z2)/(s123*s234*s34*z12) + 
   (2*s14*s23*z2)/(s124*s234*s34*z12) - (2*s13*s14*s23*z2)/
    (s12*s123*s234*s34*z12) - (s14^2*s23*z2)/(s12*s123*s234*s34*z12) + 
   (2*s14^2*s23*z2)/(s12*s124*s234*s34*z12) - 
   (s14*s23^2*z2)/(s12*s123*s234*s34*z12) + (s13*s24*z2)/(s12^2*s34*z12) + 
   (s13*s24*z2)/(s12*s123*s34*z12) + (s13^2*s24*z2)/(s12^2*s123*s34*z12) + 
   (4*s14*s24*z2)/(s12^2*s34*z12) + (4*s14*s24*z2)/(s12*s124*s34*z12) + 
   (3*s13*s14*s24*z2)/(s12^2*s123*s34*z12) + (2*s13*s14*s24*z2)/
    (s12^2*s124*s34*z12) + (3*s14*s24*z2)/(2*s12*s134*s34*z12) + 
   (2*s14*s24*z2)/(s123*s134*s34*z12) - (2*s14*s24*z2)/(s124*s134*s34*z12) + 
   (2*s13*s14*s24*z2)/(s12*s123*s134*s34*z12) - 
   (s13*s14*s24*z2)/(s12*s124*s134*s34*z12) + 
   (4*s14^2*s24*z2)/(s12^2*s124*s34*z12) - (2*s14^2*s24*z2)/
    (s12*s124*s134*s34*z12) + (s13*s23*s24*z2)/(s12^2*s123*s34*z12) + 
   (s14*s23*s24*z2)/(s12^2*s123*s34*z12) + (2*s14*s23*s24*z2)/
    (s12^2*s124*s34*z12) + (2*s14*s23*s24*z2)/(s12*s123*s134*s34*z12) - 
   (s14*s23*s24*z2)/(s12*s124*s134*s34*z12) + 
   (3*s14*s24*z2)/(2*s12*s234*s34*z12) - (s14*s24*z2)/(s123*s234*s34*z12) + 
   (4*s14*s24*z2)/(s124*s234*s34*z12) - (s13*s14*s24*z2)/
    (s12*s123*s234*s34*z12) + (2*s13*s14*s24*z2)/(s12*s124*s234*s34*z12) + 
   (4*s14^2*s24*z2)/(s12*s124*s234*s34*z12) - 
   (s14*s23*s24*z2)/(s12*s123*s234*s34*z12) + (2*s14*s23*s24*z2)/
    (s12*s124*s234*s34*z12) + (s13*s24^2*z2)/(s12^2*s123*s34*z12) + 
   (2*s14*s24^2*z2)/(s12^2*s124*s34*z12) - 
   (s14*s24^2*z2)/(s12*s124*s134*s34*z12) + (2*s14*s24^2*z2)/
    (s12*s124*s234*s34*z12) - (s14*z3)/(s12*s123*z12) - 
   (s24*z3)/(s12*s123*z12) - (s14*z3)/(s34^2*z12) - 
   (s13*s14*z3)/(s12*s34^2*z12) - (s14^2*z3)/(s12*s34^2*z12) - 
   (s14*s23*z3)/(s12*s34^2*z12) - (s24*z3)/(s34^2*z12) - 
   (s13*s24*z3)/(s12*s34^2*z12) - (2*s14*s24*z3)/(s12*s34^2*z12) - 
   (s23*s24*z3)/(s12*s34^2*z12) - (s24^2*z3)/(s12*s34^2*z12) - 
   (s14*z3)/(s12*s34*z12) - (s14*z3)/(s123*s34*z12) - 
   (s13*s14*z3)/(s12*s123*s34*z12) - (s14^2*z3)/(s12*s123*s34*z12) - 
   (s14*s23*z3)/(s12*s123*s34*z12) - (s24*z3)/(s12*s34*z12) - 
   (s24*z3)/(s123*s34*z12) - (s13*s24*z3)/(s12*s123*s34*z12) - 
   (2*s14*s24*z3)/(s12*s123*s34*z12) - (s23*s24*z3)/(s12*s123*s34*z12) - 
   (s24^2*z3)/(s12*s123*s34*z12) + (2*z1)/(s12*z34) + z1/(s124*z34) + 
   (s13*z1)/(s12*s124*z34) + z1/(s134*z34) + (s14*z1)/(s12*s124*z34) - 
   (s23*z1)/(s12^2*z34) + (s23*z1)/(s12*s124*z34) - (s23*z1)/(s12*s234*z34) - 
   (s24*z1)/(s12^2*z34) + (s24*z1)/(s12*s124*z34) + 
   (s13*s24*z1)/(2*s12^2*s123*z34) - (s13*s24*z1)/(2*s12^2*s124*z34) + 
   (s14*s24*z1)/(2*s12^2*s123*z34) - (s14*s24*z1)/(2*s12^2*s124*z34) - 
   (s23*s24*z1)/(2*s12^2*s123*z34) + (s23*s24*z1)/(2*s12^2*s124*z34) - 
   (s24*z1)/(s12*s234*z34) - (s24^2*z1)/(2*s12^2*s123*z34) + 
   (s24^2*z1)/(2*s12^2*s124*z34) + (2*z1)/(s34*z34) + 
   (2*s13*z1)/(s12*s34*z34) + (s12*z1)/(s134*s34*z34) + 
   (s13*z1)/(s134*s34*z34) + (2*s14*z1)/(s12*s34*z34) + 
   (s14*z1)/(s134*s34*z34) + (s23*z1)/(s12*s34*z34) - 
   (s13*s23*z1)/(s12^2*s34*z34) + (s23*z1)/(s134*s34*z34) - 
   (s14*s23*z1)/(s12^2*s34*z34) - (s23^2*z1)/(s12^2*s34*z34) - 
   (s23*z1)/(s234*s34*z34) - (s13*s23*z1)/(s12*s234*s34*z34) - 
   (s14*s23*z1)/(s12*s234*s34*z34) - (s23^2*z1)/(s12*s234*s34*z34) + 
   (s24*z1)/(s12*s34*z34) - (s13*s24*z1)/(s12^2*s34*z34) + 
   (s13*s24*z1)/(2*s12*s123*s34*z34) - (s13*s24*z1)/(2*s12*s124*s34*z34) + 
   (s13^2*s24*z1)/(2*s12^2*s123*s34*z34) - 
   (s13^2*s24*z1)/(2*s12^2*s124*s34*z34) + (s24*z1)/(s134*s34*z34) - 
   (s14*s24*z1)/(s12^2*s34*z34) + (s14*s24*z1)/(2*s12*s123*s34*z34) - 
   (s14*s24*z1)/(2*s12*s124*s34*z34) + (s13*s14*s24*z1)/
    (s12^2*s123*s34*z34) - (s13*s14*s24*z1)/(s12^2*s124*s34*z34) + 
   (s14^2*s24*z1)/(2*s12^2*s123*s34*z34) - 
   (s14^2*s24*z1)/(2*s12^2*s124*s34*z34) - (2*s23*s24*z1)/(s12^2*s34*z34) - 
   (s23*s24*z1)/(2*s12*s123*s34*z34) + (s23*s24*z1)/(2*s12*s124*s34*z34) - 
   (s23^2*s24*z1)/(2*s12^2*s123*s34*z34) + 
   (s23^2*s24*z1)/(2*s12^2*s124*s34*z34) - (s24*z1)/(s234*s34*z34) - 
   (s13*s24*z1)/(s12*s234*s34*z34) - (s14*s24*z1)/(s12*s234*s34*z34) - 
   (2*s23*s24*z1)/(s12*s234*s34*z34) - (s24^2*z1)/(s12^2*s34*z34) - 
   (s24^2*z1)/(2*s12*s123*s34*z34) + (s24^2*z1)/(2*s12*s124*s34*z34) - 
   (s23*s24^2*z1)/(s12^2*s123*s34*z34) + (s23*s24^2*z1)/
    (s12^2*s124*s34*z34) - (s24^2*z1)/(s12*s234*s34*z34) - 
   (s24^3*z1)/(2*s12^2*s123*s34*z34) + (s24^3*z1)/(2*s12^2*s124*s34*z34) + 
   (s34*z1)/(s12*s124*z34) + (s23*z1^2)/(s12^2*z12*z34) + 
   (s24*z1^2)/(s12^2*z12*z34) - (s24*z1^2)/(s12*s123*z12*z34) + 
   (s24*z1^2)/(s12*s124*z12*z34) - (s13*s24*z1^2)/(2*s12^2*s123*z12*z34) + 
   (s13*s24*z1^2)/(2*s12^2*s124*z12*z34) - 
   (s14*s24*z1^2)/(2*s12^2*s123*z12*z34) + 
   (s14*s24*z1^2)/(2*s12^2*s124*z12*z34) - 
   (s23*s24*z1^2)/(2*s12^2*s123*z12*z34) + 
   (s23*s24*z1^2)/(2*s12^2*s124*z12*z34) - 
   (s24^2*z1^2)/(2*s12^2*s123*z12*z34) + 
   (s24^2*z1^2)/(2*s12^2*s124*z12*z34) + (s23*z1^2)/(s12*s34*z12*z34) + 
   (s13*s23*z1^2)/(s12^2*s34*z12*z34) + (s14*s23*z1^2)/(s12^2*s34*z12*z34) + 
   (s23^2*z1^2)/(s12^2*s34*z12*z34) + (s24*z1^2)/(s12*s34*z12*z34) - 
   (s24*z1^2)/(s123*s34*z12*z34) + (s24*z1^2)/(s124*s34*z12*z34) + 
   (s13*s24*z1^2)/(s12^2*s34*z12*z34) - (3*s13*s24*z1^2)/
    (2*s12*s123*s34*z12*z34) + (3*s13*s24*z1^2)/(2*s12*s124*s34*z12*z34) - 
   (s13^2*s24*z1^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z1^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s24*z1^2)/(s12^2*s34*z12*z34) - (3*s14*s24*z1^2)/
    (2*s12*s123*s34*z12*z34) + (3*s14*s24*z1^2)/(2*s12*s124*s34*z12*z34) - 
   (s13*s14*s24*z1^2)/(s12^2*s123*s34*z12*z34) + 
   (s13*s14*s24*z1^2)/(s12^2*s124*s34*z12*z34) - 
   (s14^2*s24*z1^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s24*z1^2)/(2*s12^2*s124*s34*z12*z34) + 
   (2*s23*s24*z1^2)/(s12^2*s34*z12*z34) - (3*s23*s24*z1^2)/
    (2*s12*s123*s34*z12*z34) + (3*s23*s24*z1^2)/(2*s12*s124*s34*z12*z34) - 
   (s13*s23*s24*z1^2)/(s12^2*s123*s34*z12*z34) + 
   (s13*s23*s24*z1^2)/(s12^2*s124*s34*z12*z34) - 
   (s14*s23*s24*z1^2)/(s12^2*s123*s34*z12*z34) + 
   (s14*s23*s24*z1^2)/(s12^2*s124*s34*z12*z34) - 
   (s23^2*s24*z1^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s23^2*s24*z1^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s24^2*z1^2)/(s12^2*s34*z12*z34) - (3*s24^2*z1^2)/
    (2*s12*s123*s34*z12*z34) + (3*s24^2*z1^2)/(2*s12*s124*s34*z12*z34) - 
   (s13*s24^2*z1^2)/(s12^2*s123*s34*z12*z34) + 
   (s13*s24^2*z1^2)/(s12^2*s124*s34*z12*z34) - 
   (s14*s24^2*z1^2)/(s12^2*s123*s34*z12*z34) + 
   (s14*s24^2*z1^2)/(s12^2*s124*s34*z12*z34) - 
   (s23*s24^2*z1^2)/(s12^2*s123*s34*z12*z34) + 
   (s23*s24^2*z1^2)/(s12^2*s124*s34*z12*z34) - 
   (s24^3*z1^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s24^3*z1^2)/(2*s12^2*s124*s34*z12*z34) + (2*z2)/(s12*z34) + 
   z2/(s124*z34) - (s13*z2)/(s12^2*z34) + (s13*z2)/(s12*s124*z34) - 
   (s13*z2)/(s12*s134*z34) - (s14*z2)/(s12^2*z34) + (s14*z2)/(s12*s124*z34) - 
   (s13*s14*z2)/(2*s12^2*s123*z34) + (s13*s14*z2)/(2*s12^2*s124*z34) - 
   (s14*z2)/(s12*s134*z34) - (s14^2*z2)/(2*s12^2*s123*z34) + 
   (s14^2*z2)/(2*s12^2*s124*z34) + (s23*z2)/(s12*s124*z34) + 
   (s14*s23*z2)/(2*s12^2*s123*z34) - (s14*s23*z2)/(2*s12^2*s124*z34) + 
   z2/(s234*z34) + (s24*z2)/(s12*s124*z34) + 
   (s14*s24*z2)/(2*s12^2*s123*z34) - (s14*s24*z2)/(2*s12^2*s124*z34) + 
   (2*z2)/(s34*z34) + (s13*z2)/(s12*s34*z34) - (s13^2*z2)/(s12^2*s34*z34) - 
   (s13*z2)/(s134*s34*z34) - (s13^2*z2)/(s12*s134*s34*z34) + 
   (s14*z2)/(s12*s34*z34) - (2*s13*s14*z2)/(s12^2*s34*z34) - 
   (s13*s14*z2)/(2*s12*s123*s34*z34) + (s13*s14*z2)/(2*s12*s124*s34*z34) - 
   (s13^2*s14*z2)/(2*s12^2*s123*s34*z34) + 
   (s13^2*s14*z2)/(2*s12^2*s124*s34*z34) - (s14*z2)/(s134*s34*z34) - 
   (2*s13*s14*z2)/(s12*s134*s34*z34) - (s14^2*z2)/(s12^2*s34*z34) - 
   (s14^2*z2)/(2*s12*s123*s34*z34) + (s14^2*z2)/(2*s12*s124*s34*z34) - 
   (s13*s14^2*z2)/(s12^2*s123*s34*z34) + (s13*s14^2*z2)/
    (s12^2*s124*s34*z34) - (s14^2*z2)/(s12*s134*s34*z34) - 
   (s14^3*z2)/(2*s12^2*s123*s34*z34) + (s14^3*z2)/(2*s12^2*s124*s34*z34) + 
   (2*s23*z2)/(s12*s34*z34) - (s13*s23*z2)/(s12^2*s34*z34) - 
   (s13*s23*z2)/(s12*s134*s34*z34) - (s14*s23*z2)/(s12^2*s34*z34) + 
   (s14*s23*z2)/(2*s12*s123*s34*z34) - (s14*s23*z2)/(2*s12*s124*s34*z34) - 
   (s14*s23*z2)/(s12*s134*s34*z34) + (s14*s23^2*z2)/(2*s12^2*s123*s34*z34) - 
   (s14*s23^2*z2)/(2*s12^2*s124*s34*z34) + (s12*z2)/(s234*s34*z34) + 
   (s13*z2)/(s234*s34*z34) + (s14*z2)/(s234*s34*z34) + 
   (s23*z2)/(s234*s34*z34) + (2*s24*z2)/(s12*s34*z34) - 
   (s13*s24*z2)/(s12^2*s34*z34) - (s13*s24*z2)/(s12*s134*s34*z34) - 
   (s14*s24*z2)/(s12^2*s34*z34) + (s14*s24*z2)/(2*s12*s123*s34*z34) - 
   (s14*s24*z2)/(2*s12*s124*s34*z34) - (s14*s24*z2)/(s12*s134*s34*z34) + 
   (s14*s23*s24*z2)/(s12^2*s123*s34*z34) - (s14*s23*s24*z2)/
    (s12^2*s124*s34*z34) + (s24*z2)/(s234*s34*z34) + 
   (s14*s24^2*z2)/(2*s12^2*s123*s34*z34) - 
   (s14*s24^2*z2)/(2*s12^2*s124*s34*z34) + (s34*z2)/(s12*s124*z34) - 
   (4*z1^2*z2)/(s12*z12^2*z34) - (2*s13*z1^2*z2)/(s12^2*z12^2*z34) - 
   (2*s14*z1^2*z2)/(s12^2*z12^2*z34) - (2*s23*z1^2*z2)/(s12^2*z12^2*z34) - 
   (2*s24*z1^2*z2)/(s12^2*z12^2*z34) - (4*z1^2*z2)/(s34*z12^2*z34) - 
   (6*s13*z1^2*z2)/(s12*s34*z12^2*z34) - (2*s13^2*z1^2*z2)/
    (s12^2*s34*z12^2*z34) - (6*s14*z1^2*z2)/(s12*s34*z12^2*z34) - 
   (4*s13*s14*z1^2*z2)/(s12^2*s34*z12^2*z34) - 
   (2*s14^2*z1^2*z2)/(s12^2*s34*z12^2*z34) - 
   (6*s23*z1^2*z2)/(s12*s34*z12^2*z34) - (4*s13*s23*z1^2*z2)/
    (s12^2*s34*z12^2*z34) - (4*s14*s23*z1^2*z2)/(s12^2*s34*z12^2*z34) - 
   (2*s23^2*z1^2*z2)/(s12^2*s34*z12^2*z34) - 
   (6*s24*z1^2*z2)/(s12*s34*z12^2*z34) - (4*s13*s24*z1^2*z2)/
    (s12^2*s34*z12^2*z34) - (4*s14*s24*z1^2*z2)/(s12^2*s34*z12^2*z34) - 
   (4*s23*s24*z1^2*z2)/(s12^2*s34*z12^2*z34) - 
   (2*s24^2*z1^2*z2)/(s12^2*s34*z12^2*z34) + (4*z1*z2)/(s12*z12*z34) + 
   (3*s13*z1*z2)/(s12^2*z12*z34) + (2*z1*z2)/(s134*z12*z34) + 
   (s13*z1*z2)/(s12*s134*z12*z34) + (3*s14*z1*z2)/(s12^2*z12*z34) + 
   (s14*z1*z2)/(s12*s123*z12*z34) - (s14*z1*z2)/(s12*s124*z12*z34) + 
   (s13*s14*z1*z2)/(2*s12^2*s123*z12*z34) - (s13*s14*z1*z2)/
    (2*s12^2*s124*z12*z34) + (s14*z1*z2)/(s12*s134*z12*z34) + 
   (s14^2*z1*z2)/(2*s12^2*s123*z12*z34) - 
   (s14^2*z1*z2)/(2*s12^2*s124*z12*z34) + (3*s23*z1*z2)/(s12^2*z12*z34) + 
   (s23*z1*z2)/(s12*s134*z12*z34) + (s14*s23*z1*z2)/(2*s12^2*s123*z12*z34) - 
   (s14*s23*z1*z2)/(2*s12^2*s124*z12*z34) + (2*z1*z2)/(s234*z12*z34) + 
   (s13*z1*z2)/(s12*s234*z12*z34) + (s14*z1*z2)/(s12*s234*z12*z34) + 
   (s23*z1*z2)/(s12*s234*z12*z34) + (3*s24*z1*z2)/(s12^2*z12*z34) + 
   (s24*z1*z2)/(s12*s123*z12*z34) - (s24*z1*z2)/(s12*s124*z12*z34) + 
   (s13*s24*z1*z2)/(2*s12^2*s123*z12*z34) - (s13*s24*z1*z2)/
    (2*s12^2*s124*z12*z34) + (s24*z1*z2)/(s12*s134*z12*z34) + 
   (s14*s24*z1*z2)/(s12^2*s123*z12*z34) - (s14*s24*z1*z2)/
    (s12^2*s124*z12*z34) + (s23*s24*z1*z2)/(2*s12^2*s123*z12*z34) - 
   (s23*s24*z1*z2)/(2*s12^2*s124*z12*z34) + (s24*z1*z2)/(s12*s234*z12*z34) + 
   (s24^2*z1*z2)/(2*s12^2*s123*z12*z34) - 
   (s24^2*z1*z2)/(2*s12^2*s124*z12*z34) + (4*z1*z2)/(s34*z12*z34) + 
   (7*s13*z1*z2)/(s12*s34*z12*z34) + (3*s13^2*z1*z2)/(s12^2*s34*z12*z34) + 
   (2*s12*z1*z2)/(s134*s34*z12*z34) + (3*s13*z1*z2)/(s134*s34*z12*z34) + 
   (s13^2*z1*z2)/(s12*s134*s34*z12*z34) + (7*s14*z1*z2)/(s12*s34*z12*z34) + 
   (s14*z1*z2)/(s123*s34*z12*z34) - (s14*z1*z2)/(s124*s34*z12*z34) + 
   (6*s13*s14*z1*z2)/(s12^2*s34*z12*z34) + (3*s13*s14*z1*z2)/
    (2*s12*s123*s34*z12*z34) - (3*s13*s14*z1*z2)/(2*s12*s124*s34*z12*z34) + 
   (s13^2*s14*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s14*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s14*z1*z2)/(s134*s34*z12*z34) + (2*s13*s14*z1*z2)/
    (s12*s134*s34*z12*z34) + (3*s14^2*z1*z2)/(s12^2*s34*z12*z34) + 
   (3*s14^2*z1*z2)/(2*s12*s123*s34*z12*z34) - 
   (3*s14^2*z1*z2)/(2*s12*s124*s34*z12*z34) + 
   (s13*s14^2*z1*z2)/(s12^2*s123*s34*z12*z34) - 
   (s13*s14^2*z1*z2)/(s12^2*s124*s34*z12*z34) + 
   (s14^2*z1*z2)/(s12*s134*s34*z12*z34) + 
   (s14^3*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s14^3*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (7*s23*z1*z2)/(s12*s34*z12*z34) + (6*s13*s23*z1*z2)/(s12^2*s34*z12*z34) + 
   (3*s23*z1*z2)/(s134*s34*z12*z34) + (2*s13*s23*z1*z2)/
    (s12*s134*s34*z12*z34) + (6*s14*s23*z1*z2)/(s12^2*s34*z12*z34) + 
   (3*s14*s23*z1*z2)/(2*s12*s123*s34*z12*z34) - 
   (3*s14*s23*z1*z2)/(2*s12*s124*s34*z12*z34) + 
   (s13*s14*s23*z1*z2)/(s12^2*s123*s34*z12*z34) - 
   (s13*s14*s23*z1*z2)/(s12^2*s124*s34*z12*z34) + 
   (2*s14*s23*z1*z2)/(s12*s134*s34*z12*z34) + 
   (s14^2*s23*z1*z2)/(s12^2*s123*s34*z12*z34) - 
   (s14^2*s23*z1*z2)/(s12^2*s124*s34*z12*z34) + 
   (3*s23^2*z1*z2)/(s12^2*s34*z12*z34) + (s23^2*z1*z2)/
    (s12*s134*s34*z12*z34) + (s14*s23^2*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s14*s23^2*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (2*s12*z1*z2)/(s234*s34*z12*z34) + (3*s13*z1*z2)/(s234*s34*z12*z34) + 
   (s13^2*z1*z2)/(s12*s234*s34*z12*z34) + (3*s14*z1*z2)/(s234*s34*z12*z34) + 
   (2*s13*s14*z1*z2)/(s12*s234*s34*z12*z34) + 
   (s14^2*z1*z2)/(s12*s234*s34*z12*z34) + (3*s23*z1*z2)/(s234*s34*z12*z34) + 
   (2*s13*s23*z1*z2)/(s12*s234*s34*z12*z34) + 
   (2*s14*s23*z1*z2)/(s12*s234*s34*z12*z34) + 
   (s23^2*z1*z2)/(s12*s234*s34*z12*z34) + (7*s24*z1*z2)/(s12*s34*z12*z34) + 
   (s24*z1*z2)/(s123*s34*z12*z34) - (s24*z1*z2)/(s124*s34*z12*z34) + 
   (6*s13*s24*z1*z2)/(s12^2*s34*z12*z34) + (3*s13*s24*z1*z2)/
    (2*s12*s123*s34*z12*z34) - (3*s13*s24*z1*z2)/(2*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s24*z1*z2)/(s134*s34*z12*z34) + (2*s13*s24*z1*z2)/
    (s12*s134*s34*z12*z34) + (6*s14*s24*z1*z2)/(s12^2*s34*z12*z34) + 
   (3*s14*s24*z1*z2)/(s12*s123*s34*z12*z34) - 
   (3*s14*s24*z1*z2)/(s12*s124*s34*z12*z34) + (2*s13*s14*s24*z1*z2)/
    (s12^2*s123*s34*z12*z34) - (2*s13*s14*s24*z1*z2)/
    (s12^2*s124*s34*z12*z34) + (2*s14*s24*z1*z2)/(s12*s134*s34*z12*z34) + 
   (3*s14^2*s24*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (3*s14^2*s24*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (6*s23*s24*z1*z2)/(s12^2*s34*z12*z34) + (3*s23*s24*z1*z2)/
    (2*s12*s123*s34*z12*z34) - (3*s23*s24*z1*z2)/(2*s12*s124*s34*z12*z34) + 
   (s13*s23*s24*z1*z2)/(s12^2*s123*s34*z12*z34) - 
   (s13*s23*s24*z1*z2)/(s12^2*s124*s34*z12*z34) + 
   (2*s23*s24*z1*z2)/(s12*s134*s34*z12*z34) + (2*s14*s23*s24*z1*z2)/
    (s12^2*s123*s34*z12*z34) - (2*s14*s23*s24*z1*z2)/
    (s12^2*s124*s34*z12*z34) + (s23^2*s24*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s23^2*s24*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s24*z1*z2)/(s234*s34*z12*z34) + (2*s13*s24*z1*z2)/
    (s12*s234*s34*z12*z34) + (2*s14*s24*z1*z2)/(s12*s234*s34*z12*z34) + 
   (2*s23*s24*z1*z2)/(s12*s234*s34*z12*z34) + 
   (3*s24^2*z1*z2)/(s12^2*s34*z12*z34) + (3*s24^2*z1*z2)/
    (2*s12*s123*s34*z12*z34) - (3*s24^2*z1*z2)/(2*s12*s124*s34*z12*z34) + 
   (s13*s24^2*z1*z2)/(s12^2*s123*s34*z12*z34) - 
   (s13*s24^2*z1*z2)/(s12^2*s124*s34*z12*z34) + 
   (s24^2*z1*z2)/(s12*s134*s34*z12*z34) + (3*s14*s24^2*z1*z2)/
    (2*s12^2*s123*s34*z12*z34) - (3*s14*s24^2*z1*z2)/
    (2*s12^2*s124*s34*z12*z34) + (s23*s24^2*z1*z2)/(s12^2*s123*s34*z12*z34) - 
   (s23*s24^2*z1*z2)/(s12^2*s124*s34*z12*z34) + 
   (s24^2*z1*z2)/(s12*s234*s34*z12*z34) + 
   (s24^3*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s24^3*z1*z2)/(2*s12^2*s124*s34*z12*z34) - (4*z1*z2^2)/(s12*z12^2*z34) - 
   (2*s13*z1*z2^2)/(s12^2*z12^2*z34) - (2*s14*z1*z2^2)/(s12^2*z12^2*z34) - 
   (2*s23*z1*z2^2)/(s12^2*z12^2*z34) - (2*s24*z1*z2^2)/(s12^2*z12^2*z34) - 
   (4*z1*z2^2)/(s34*z12^2*z34) - (6*s13*z1*z2^2)/(s12*s34*z12^2*z34) - 
   (2*s13^2*z1*z2^2)/(s12^2*s34*z12^2*z34) - 
   (6*s14*z1*z2^2)/(s12*s34*z12^2*z34) - (4*s13*s14*z1*z2^2)/
    (s12^2*s34*z12^2*z34) - (2*s14^2*z1*z2^2)/(s12^2*s34*z12^2*z34) - 
   (6*s23*z1*z2^2)/(s12*s34*z12^2*z34) - (4*s13*s23*z1*z2^2)/
    (s12^2*s34*z12^2*z34) - (4*s14*s23*z1*z2^2)/(s12^2*s34*z12^2*z34) - 
   (2*s23^2*z1*z2^2)/(s12^2*s34*z12^2*z34) - 
   (6*s24*z1*z2^2)/(s12*s34*z12^2*z34) - (4*s13*s24*z1*z2^2)/
    (s12^2*s34*z12^2*z34) - (4*s14*s24*z1*z2^2)/(s12^2*s34*z12^2*z34) - 
   (4*s23*s24*z1*z2^2)/(s12^2*s34*z12^2*z34) - 
   (2*s24^2*z1*z2^2)/(s12^2*s34*z12^2*z34) + (s13*z2^2)/(s12^2*z12*z34) + 
   (s14*z2^2)/(s12^2*z12*z34) - (s14*z2^2)/(s12*s123*z12*z34) + 
   (s14*z2^2)/(s12*s124*z12*z34) - (s13*s14*z2^2)/(2*s12^2*s123*z12*z34) + 
   (s13*s14*z2^2)/(2*s12^2*s124*z12*z34) - 
   (s14^2*z2^2)/(2*s12^2*s123*z12*z34) + 
   (s14^2*z2^2)/(2*s12^2*s124*z12*z34) - (s14*s23*z2^2)/
    (2*s12^2*s123*z12*z34) + (s14*s23*z2^2)/(2*s12^2*s124*z12*z34) - 
   (s14*s24*z2^2)/(2*s12^2*s123*z12*z34) + 
   (s14*s24*z2^2)/(2*s12^2*s124*z12*z34) + (s13*z2^2)/(s12*s34*z12*z34) + 
   (s13^2*z2^2)/(s12^2*s34*z12*z34) + (s14*z2^2)/(s12*s34*z12*z34) - 
   (s14*z2^2)/(s123*s34*z12*z34) + (s14*z2^2)/(s124*s34*z12*z34) + 
   (2*s13*s14*z2^2)/(s12^2*s34*z12*z34) - (3*s13*s14*z2^2)/
    (2*s12*s123*s34*z12*z34) + (3*s13*s14*z2^2)/(2*s12*s124*s34*z12*z34) - 
   (s13^2*s14*z2^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14^2*z2^2)/(s12^2*s34*z12*z34) - (3*s14^2*z2^2)/
    (2*s12*s123*s34*z12*z34) + (3*s14^2*z2^2)/(2*s12*s124*s34*z12*z34) - 
   (s13*s14^2*z2^2)/(s12^2*s123*s34*z12*z34) + 
   (s13*s14^2*z2^2)/(s12^2*s124*s34*z12*z34) - 
   (s14^3*z2^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^3*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s13*s23*z2^2)/(s12^2*s34*z12*z34) + (s14*s23*z2^2)/(s12^2*s34*z12*z34) - 
   (3*s14*s23*z2^2)/(2*s12*s123*s34*z12*z34) + 
   (3*s14*s23*z2^2)/(2*s12*s124*s34*z12*z34) - 
   (s13*s14*s23*z2^2)/(s12^2*s123*s34*z12*z34) + 
   (s13*s14*s23*z2^2)/(s12^2*s124*s34*z12*z34) - 
   (s14^2*s23*z2^2)/(s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z2^2)/(s12^2*s124*s34*z12*z34) - 
   (s14*s23^2*z2^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23^2*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s13*s24*z2^2)/(s12^2*s34*z12*z34) + (s14*s24*z2^2)/(s12^2*s34*z12*z34) - 
   (3*s14*s24*z2^2)/(2*s12*s123*s34*z12*z34) + 
   (3*s14*s24*z2^2)/(2*s12*s124*s34*z12*z34) - 
   (s13*s14*s24*z2^2)/(s12^2*s123*s34*z12*z34) + 
   (s13*s14*s24*z2^2)/(s12^2*s124*s34*z12*z34) - 
   (s14^2*s24*z2^2)/(s12^2*s123*s34*z12*z34) + 
   (s14^2*s24*z2^2)/(s12^2*s124*s34*z12*z34) - 
   (s14*s23*s24*z2^2)/(s12^2*s123*s34*z12*z34) + 
   (s14*s23*s24*z2^2)/(s12^2*s124*s34*z12*z34) - 
   (s14*s24^2*z2^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s24^2*z2^2)/(2*s12^2*s124*s34*z12*z34) - (s14*z3)/(s12*s124*z34) - 
   (s24*z3)/(s12*s124*z34) - (2*s14*z3)/(s34^2*z34) - 
   (2*s13*s14*z3)/(s12*s34^2*z34) - (s12*s14*z3)/(s134*s34^2*z34) - 
   (s13*s14*z3)/(s134*s34^2*z34) - (2*s14^2*z3)/(s12*s34^2*z34) - 
   (s14^2*z3)/(s134*s34^2*z34) - (s14*s23*z3)/(s12*s34^2*z34) + 
   (s13*s14*s23*z3)/(s12^2*s34^2*z34) - (s14*s23*z3)/(s134*s34^2*z34) + 
   (s14^2*s23*z3)/(s12^2*s34^2*z34) + (s14*s23^2*z3)/(s12^2*s34^2*z34) + 
   (s14*s23*z3)/(s234*s34^2*z34) + (s13*s14*s23*z3)/(s12*s234*s34^2*z34) + 
   (s14^2*s23*z3)/(s12*s234*s34^2*z34) + (s14*s23^2*z3)/
    (s12*s234*s34^2*z34) - (2*s24*z3)/(s34^2*z34) - 
   (s13*s24*z3)/(s12*s34^2*z34) + (s13^2*s24*z3)/(s12^2*s34^2*z34) + 
   (s13*s24*z3)/(s134*s34^2*z34) + (s13^2*s24*z3)/(s12*s134*s34^2*z34) - 
   (2*s14*s24*z3)/(s12*s34^2*z34) + (3*s13*s14*s24*z3)/(s12^2*s34^2*z34) + 
   (2*s13*s14*s24*z3)/(s12*s134*s34^2*z34) + (2*s14^2*s24*z3)/
    (s12^2*s34^2*z34) + (s14^2*s24*z3)/(s12*s134*s34^2*z34) - 
   (2*s23*s24*z3)/(s12*s34^2*z34) + (s13*s23*s24*z3)/(s12^2*s34^2*z34) + 
   (s13*s23*s24*z3)/(s12*s134*s34^2*z34) + (3*s14*s23*s24*z3)/
    (s12^2*s34^2*z34) + (s14*s23*s24*z3)/(s12*s134*s34^2*z34) - 
   (s12*s24*z3)/(s234*s34^2*z34) - (s13*s24*z3)/(s234*s34^2*z34) + 
   (s13*s14*s24*z3)/(s12*s234*s34^2*z34) + 
   (s14^2*s24*z3)/(s12*s234*s34^2*z34) - (s23*s24*z3)/(s234*s34^2*z34) + 
   (2*s14*s23*s24*z3)/(s12*s234*s34^2*z34) - (2*s24^2*z3)/(s12*s34^2*z34) + 
   (s13*s24^2*z3)/(s12^2*s34^2*z34) + (s13*s24^2*z3)/(s12*s134*s34^2*z34) + 
   (2*s14*s24^2*z3)/(s12^2*s34^2*z34) + (s14*s24^2*z3)/(s12*s134*s34^2*z34) - 
   (s24^2*z3)/(s234*s34^2*z34) + (s14*s24^2*z3)/(s12*s234*s34^2*z34) - 
   (2*s14*z3)/(s12*s34*z34) - (s14*z3)/(s124*s34*z34) - 
   (s13*s14*z3)/(s12*s124*s34*z34) - (s14*z3)/(s134*s34*z34) - 
   (s14^2*z3)/(s12*s124*s34*z34) + (s14*s23*z3)/(s12^2*s34*z34) - 
   (s14*s23*z3)/(s12*s124*s34*z34) + (s14*s23*z3)/(s12*s234*s34*z34) - 
   (2*s24*z3)/(s12*s34*z34) - (s24*z3)/(s124*s34*z34) + 
   (s13*s24*z3)/(s12^2*s34*z34) - (s13*s24*z3)/(s12*s124*s34*z34) + 
   (s13*s24*z3)/(s12*s134*s34*z34) + (2*s14*s24*z3)/(s12^2*s34*z34) - 
   (2*s14*s24*z3)/(s12*s124*s34*z34) + (s14*s24*z3)/(s12*s134*s34*z34) - 
   (s23*s24*z3)/(s12*s124*s34*z34) - (s24*z3)/(s234*s34*z34) + 
   (s14*s24*z3)/(s12*s234*s34*z34) - (s24^2*z3)/(s12*s124*s34*z34) - 
   (z1*z3)/(s12*z12*z34) - (s14*s23*z1*z3)/(s12*s34^2*z12*z34) - 
   (s13*s14*s23*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s14^2*s23*z1*z3)/(s12^2*s34^2*z12*z34) - (s14*s23^2*z1*z3)/
    (s12^2*s34^2*z12*z34) - (2*s24*z1*z3)/(s34^2*z12*z34) - 
   (3*s13*s24*z1*z3)/(s12*s34^2*z12*z34) - (s13^2*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) - (s12*s24*z1*z3)/(s134*s34^2*z12*z34) - 
   (3*s13*s24*z1*z3)/(2*s134*s34^2*z12*z34) - 
   (s13^2*s24*z1*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (4*s14*s24*z1*z3)/(s12*s34^2*z12*z34) - (3*s13*s14*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) - (3*s14*s24*z1*z3)/(2*s134*s34^2*z12*z34) - 
   (s13*s14*s24*z1*z3)/(s12*s134*s34^2*z12*z34) - 
   (2*s14^2*s24*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s14^2*s24*z1*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (4*s23*s24*z1*z3)/(s12*s34^2*z12*z34) - (3*s13*s23*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) - (3*s23*s24*z1*z3)/(2*s134*s34^2*z12*z34) - 
   (s13*s23*s24*z1*z3)/(s12*s134*s34^2*z12*z34) - 
   (5*s14*s23*s24*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s14*s23*s24*z1*z3)/(s12*s134*s34^2*z12*z34) - 
   (2*s23^2*s24*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s23^2*s24*z1*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (s12*s24*z1*z3)/(s234*s34^2*z12*z34) - (3*s13*s24*z1*z3)/
    (2*s234*s34^2*z12*z34) - (s13^2*s24*z1*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (3*s14*s24*z1*z3)/(2*s234*s34^2*z12*z34) - (s13*s14*s24*z1*z3)/
    (s12*s234*s34^2*z12*z34) - (s14^2*s24*z1*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (3*s23*s24*z1*z3)/(2*s234*s34^2*z12*z34) - (s13*s23*s24*z1*z3)/
    (s12*s234*s34^2*z12*z34) - (s14*s23*s24*z1*z3)/(s12*s234*s34^2*z12*z34) - 
   (s23^2*s24*z1*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (4*s24^2*z1*z3)/(s12*s34^2*z12*z34) - (3*s13*s24^2*z1*z3)/
    (s12^2*s34^2*z12*z34) - (3*s24^2*z1*z3)/(2*s134*s34^2*z12*z34) - 
   (s13*s24^2*z1*z3)/(s12*s134*s34^2*z12*z34) - 
   (4*s14*s24^2*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s14*s24^2*z1*z3)/(s12*s134*s34^2*z12*z34) - 
   (4*s23*s24^2*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s23*s24^2*z1*z3)/(s12*s134*s34^2*z12*z34) - 
   (3*s24^2*z1*z3)/(2*s234*s34^2*z12*z34) - (s13*s24^2*z1*z3)/
    (s12*s234*s34^2*z12*z34) - (s14*s24^2*z1*z3)/(s12*s234*s34^2*z12*z34) - 
   (s23*s24^2*z1*z3)/(s12*s234*s34^2*z12*z34) - 
   (2*s24^3*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s24^3*z1*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (s24^3*z1*z3)/(2*s12*s234*s34^2*z12*z34) - (z1*z3)/(s34*z12*z34) - 
   (s13*z1*z3)/(s12*s34*z12*z34) - (s14*z1*z3)/(s12*s34*z12*z34) - 
   (s23*z1*z3)/(s12*s34*z12*z34) - (s14*s23*z1*z3)/(s12^2*s34*z12*z34) - 
   (3*s24*z1*z3)/(s12*s34*z12*z34) - (s13*s24*z1*z3)/(s12^2*s34*z12*z34) - 
   (s24*z1*z3)/(s134*s34*z12*z34) - (s13*s24*z1*z3)/
    (2*s12*s134*s34*z12*z34) - (2*s14*s24*z1*z3)/(s12^2*s34*z12*z34) - 
   (s14*s24*z1*z3)/(2*s12*s134*s34*z12*z34) - 
   (2*s23*s24*z1*z3)/(s12^2*s34*z12*z34) - (s23*s24*z1*z3)/
    (2*s12*s134*s34*z12*z34) - (s24*z1*z3)/(s234*s34*z12*z34) - 
   (s13*s24*z1*z3)/(2*s12*s234*s34*z12*z34) - 
   (s14*s24*z1*z3)/(2*s12*s234*s34*z12*z34) - 
   (s23*s24*z1*z3)/(2*s12*s234*s34*z12*z34) - 
   (2*s24^2*z1*z3)/(s12^2*s34*z12*z34) - (s24^2*z1*z3)/
    (2*s12*s134*s34*z12*z34) - (s24^2*z1*z3)/(2*s12*s234*s34*z12*z34) + 
   (4*s14*z1*z2*z3)/(s34^2*z12^2*z34) + (6*s13*s14*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) + (2*s13^2*s14*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (6*s14^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) + (4*s13*s14^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (2*s14^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (6*s14*s23*z1*z2*z3)/(s12*s34^2*z12^2*z34) + (4*s13*s14*s23*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (4*s14^2*s23*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (2*s14*s23^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (4*s24*z1*z2*z3)/(s34^2*z12^2*z34) + 
   (6*s13*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) + (2*s13^2*s24*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (12*s14*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (8*s13*s14*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (6*s14^2*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (6*s23*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) + (4*s13*s23*s24*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (8*s14*s23*s24*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (2*s23^2*s24*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) + (6*s24^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (4*s13*s24^2*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (6*s14*s24^2*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (4*s23*s24^2*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (2*s24^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) + 
   (4*s14*z1*z2*z3)/(s12*s34*z12^2*z34) + (2*s13*s14*z1*z2*z3)/
    (s12^2*s34*z12^2*z34) + (2*s14^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (2*s14*s23*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (4*s24*z1*z2*z3)/(s12*s34*z12^2*z34) + (2*s13*s24*z1*z2*z3)/
    (s12^2*s34*z12^2*z34) + (4*s14*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (2*s23*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) + 
   (2*s24^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) - (z2*z3)/(s12*z12*z34) - 
   (2*s14*z2*z3)/(s34^2*z12*z34) - (4*s13*s14*z2*z3)/(s12*s34^2*z12*z34) - 
   (2*s13^2*s14*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s12*s14*z2*z3)/(s134*s34^2*z12*z34) - (3*s13*s14*z2*z3)/
    (2*s134*s34^2*z12*z34) - (s13^2*s14*z2*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (4*s14^2*z2*z3)/(s12*s34^2*z12*z34) - (4*s13*s14^2*z2*z3)/
    (s12^2*s34^2*z12*z34) - (3*s14^2*z2*z3)/(2*s134*s34^2*z12*z34) - 
   (s13*s14^2*z2*z3)/(s12*s134*s34^2*z12*z34) - 
   (2*s14^3*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s14^3*z2*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (3*s14*s23*z2*z3)/(s12*s34^2*z12*z34) - (3*s13*s14*s23*z2*z3)/
    (s12^2*s34^2*z12*z34) - (3*s14*s23*z2*z3)/(2*s134*s34^2*z12*z34) - 
   (s13*s14*s23*z2*z3)/(s12*s134*s34^2*z12*z34) - 
   (3*s14^2*s23*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s14^2*s23*z2*z3)/(s12*s134*s34^2*z12*z34) - 
   (s14*s23^2*z2*z3)/(s12^2*s34^2*z12*z34) - (s14*s23^2*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) - (s12*s14*z2*z3)/(s234*s34^2*z12*z34) - 
   (3*s13*s14*z2*z3)/(2*s234*s34^2*z12*z34) - 
   (s13^2*s14*z2*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (3*s14^2*z2*z3)/(2*s234*s34^2*z12*z34) - (s13*s14^2*z2*z3)/
    (s12*s234*s34^2*z12*z34) - (s14^3*z2*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (3*s14*s23*z2*z3)/(2*s234*s34^2*z12*z34) - (s13*s14*s23*z2*z3)/
    (s12*s234*s34^2*z12*z34) - (s14^2*s23*z2*z3)/(s12*s234*s34^2*z12*z34) - 
   (s14*s23^2*z2*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (s13*s24*z2*z3)/(s12*s34^2*z12*z34) - (s13^2*s24*z2*z3)/
    (s12^2*s34^2*z12*z34) - (4*s14*s24*z2*z3)/(s12*s34^2*z12*z34) - 
   (5*s13*s14*s24*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s14*s24*z2*z3)/(2*s134*s34^2*z12*z34) - (s13*s14*s24*z2*z3)/
    (s12*s134*s34^2*z12*z34) - (4*s14^2*s24*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s14^2*s24*z2*z3)/(s12*s134*s34^2*z12*z34) - 
   (s13*s23*s24*z2*z3)/(s12^2*s34^2*z12*z34) - (3*s14*s23*s24*z2*z3)/
    (s12^2*s34^2*z12*z34) - (s14*s23*s24*z2*z3)/(s12*s134*s34^2*z12*z34) - 
   (3*s14*s24*z2*z3)/(2*s234*s34^2*z12*z34) - (s13*s14*s24*z2*z3)/
    (s12*s234*s34^2*z12*z34) - (s14^2*s24*z2*z3)/(s12*s234*s34^2*z12*z34) - 
   (s14*s23*s24*z2*z3)/(s12*s234*s34^2*z12*z34) - 
   (s13*s24^2*z2*z3)/(s12^2*s34^2*z12*z34) - (2*s14*s24^2*z2*z3)/
    (s12^2*s34^2*z12*z34) - (s14*s24^2*z2*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s24^2*z2*z3)/(2*s12*s234*s34^2*z12*z34) - (z2*z3)/(s34*z12*z34) - 
   (s13*z2*z3)/(s12*s34*z12*z34) - (3*s14*z2*z3)/(s12*s34*z12*z34) - 
   (2*s13*s14*z2*z3)/(s12^2*s34*z12*z34) - (s14*z2*z3)/(s134*s34*z12*z34) - 
   (s13*s14*z2*z3)/(2*s12*s134*s34*z12*z34) - 
   (2*s14^2*z2*z3)/(s12^2*s34*z12*z34) - (s14^2*z2*z3)/
    (2*s12*s134*s34*z12*z34) - (s23*z2*z3)/(s12*s34*z12*z34) - 
   (s14*s23*z2*z3)/(s12^2*s34*z12*z34) - (s14*s23*z2*z3)/
    (2*s12*s134*s34*z12*z34) - (s14*z2*z3)/(s234*s34*z12*z34) - 
   (s13*s14*z2*z3)/(2*s12*s234*s34*z12*z34) - 
   (s14^2*z2*z3)/(2*s12*s234*s34*z12*z34) - (s14*s23*z2*z3)/
    (2*s12*s234*s34*z12*z34) - (s24*z2*z3)/(s12*s34*z12*z34) - 
   (s13*s24*z2*z3)/(s12^2*s34*z12*z34) - (2*s14*s24*z2*z3)/
    (s12^2*s34*z12*z34) - (s14*s24*z2*z3)/(2*s12*s134*s34*z12*z34) - 
   (s14*s24*z2*z3)/(2*s12*s234*s34*z12*z34) + (s14*z3^2)/(s34^2*z12*z34) + 
   (s13*s14*z3^2)/(s12*s34^2*z12*z34) + (s14^2*z3^2)/(s12*s34^2*z12*z34) + 
   (s14*s23*z3^2)/(s12*s34^2*z12*z34) + (s24*z3^2)/(s34^2*z12*z34) + 
   (s13*s24*z3^2)/(s12*s34^2*z12*z34) + (2*s14*s24*z3^2)/
    (s12*s34^2*z12*z34) + (s23*s24*z3^2)/(s12*s34^2*z12*z34) + 
   (s24^2*z3^2)/(s12*s34^2*z12*z34) + (s14*z3^2)/(s12*s34*z12*z34) + 
   (s24*z3^2)/(s12*s34*z12*z34) - (2*z4)/(s124*z12) - 
   (s13*z4)/(s12*s123*z12) - (2*s12*z4)/(s123*s134*z12) + 
   (s12*z4)/(s124*s134*z12) - (2*s13*z4)/(s123*s134*z12) - 
   (2*s14*z4)/(s12*s124*z12) + (s14*z4)/(s124*s134*z12) - 
   (s23*z4)/(s12*s123*z12) - (2*s23*z4)/(s123*s134*z12) + 
   (s12*z4)/(s123*s234*z12) - (2*s12*z4)/(s124*s234*z12) + 
   (s13*z4)/(s123*s234*z12) - (2*s14*z4)/(s124*s234*z12) + 
   (s23*z4)/(s123*s234*z12) - (2*s24*z4)/(s12*s124*z12) + 
   (s24*z4)/(s124*s134*z12) - (2*s24*z4)/(s124*s234*z12) - 
   (2*s12*z4)/(s34^2*z12) - (3*s13*z4)/(s34^2*z12) - 
   (s13^2*z4)/(s12*s34^2*z12) - (s12^2*z4)/(s134*s34^2*z12) - 
   (3*s12*s13*z4)/(2*s134*s34^2*z12) - (s13^2*z4)/(2*s134*s34^2*z12) - 
   (6*s14*z4)/(s34^2*z12) - (5*s13*s14*z4)/(s12*s34^2*z12) - 
   (5*s12*s14*z4)/(2*s134*s34^2*z12) - (2*s13*s14*z4)/(s134*s34^2*z12) - 
   (4*s14^2*z4)/(s12*s34^2*z12) - (3*s14^2*z4)/(2*s134*s34^2*z12) - 
   (3*s23*z4)/(s34^2*z12) - (2*s13*s23*z4)/(s12*s34^2*z12) - 
   (3*s12*s23*z4)/(2*s134*s34^2*z12) - (s13*s23*z4)/(s134*s34^2*z12) - 
   (5*s14*s23*z4)/(s12*s34^2*z12) - (2*s14*s23*z4)/(s134*s34^2*z12) - 
   (s23^2*z4)/(s12*s34^2*z12) - (s23^2*z4)/(2*s134*s34^2*z12) - 
   (s12^2*z4)/(s234*s34^2*z12) - (3*s12*s13*z4)/(2*s234*s34^2*z12) - 
   (s13^2*z4)/(2*s234*s34^2*z12) - (5*s12*s14*z4)/(2*s234*s34^2*z12) - 
   (2*s13*s14*z4)/(s234*s34^2*z12) - (3*s14^2*z4)/(2*s234*s34^2*z12) - 
   (3*s12*s23*z4)/(2*s234*s34^2*z12) - (s13*s23*z4)/(s234*s34^2*z12) - 
   (2*s14*s23*z4)/(s234*s34^2*z12) - (s23^2*z4)/(2*s234*s34^2*z12) - 
   (6*s24*z4)/(s34^2*z12) - (5*s13*s24*z4)/(s12*s34^2*z12) - 
   (5*s12*s24*z4)/(2*s134*s34^2*z12) - (2*s13*s24*z4)/(s134*s34^2*z12) - 
   (8*s14*s24*z4)/(s12*s34^2*z12) - (3*s14*s24*z4)/(s134*s34^2*z12) - 
   (5*s23*s24*z4)/(s12*s34^2*z12) - (2*s23*s24*z4)/(s134*s34^2*z12) - 
   (5*s12*s24*z4)/(2*s234*s34^2*z12) - (2*s13*s24*z4)/(s234*s34^2*z12) - 
   (3*s14*s24*z4)/(s234*s34^2*z12) - (2*s23*s24*z4)/(s234*s34^2*z12) - 
   (4*s24^2*z4)/(s12*s34^2*z12) - (3*s24^2*z4)/(2*s134*s34^2*z12) - 
   (3*s24^2*z4)/(2*s234*s34^2*z12) - (2*z4)/(s34*z12) - 
   (2*s12*z4)/(s124*s34*z12) - (s13*z4)/(s12*s34*z12) - 
   (s13*z4)/(s123*s34*z12) - (2*s13*z4)/(s124*s34*z12) - 
   (s13^2*z4)/(s12*s123*s34*z12) - (s12*z4)/(s134*s34*z12) - 
   (2*s12^2*z4)/(s123*s134*s34*z12) + (s12^2*z4)/(s124*s134*s34*z12) - 
   (s13*z4)/(2*s134*s34*z12) - (4*s12*s13*z4)/(s123*s134*s34*z12) + 
   (s12*s13*z4)/(s124*s134*s34*z12) - (2*s13^2*z4)/(s123*s134*s34*z12) - 
   (4*s14*z4)/(s12*s34*z12) - (4*s14*z4)/(s124*s34*z12) - 
   (s13*s14*z4)/(s12*s123*s34*z12) - (2*s13*s14*z4)/(s12*s124*s34*z12) - 
   (3*s14*z4)/(2*s134*s34*z12) - (2*s12*s14*z4)/(s123*s134*s34*z12) + 
   (2*s12*s14*z4)/(s124*s134*s34*z12) - (2*s13*s14*z4)/(s123*s134*s34*z12) + 
   (s13*s14*z4)/(s124*s134*s34*z12) - (2*s14^2*z4)/(s12*s124*s34*z12) + 
   (s14^2*z4)/(s124*s134*s34*z12) - (s23*z4)/(s12*s34*z12) - 
   (s23*z4)/(s123*s34*z12) - (2*s23*z4)/(s124*s34*z12) - 
   (2*s13*s23*z4)/(s12*s123*s34*z12) - (s23*z4)/(2*s134*s34*z12) - 
   (4*s12*s23*z4)/(s123*s134*s34*z12) + (s12*s23*z4)/(s124*s134*s34*z12) - 
   (4*s13*s23*z4)/(s123*s134*s34*z12) - (s14*s23*z4)/(s12*s123*s34*z12) - 
   (2*s14*s23*z4)/(s12*s124*s34*z12) - (2*s14*s23*z4)/(s123*s134*s34*z12) + 
   (s14*s23*z4)/(s124*s134*s34*z12) - (s23^2*z4)/(s12*s123*s34*z12) - 
   (2*s23^2*z4)/(s123*s134*s34*z12) - (s12*z4)/(s234*s34*z12) + 
   (s12^2*z4)/(s123*s234*s34*z12) - (2*s12^2*z4)/(s124*s234*s34*z12) - 
   (s13*z4)/(2*s234*s34*z12) + (2*s12*s13*z4)/(s123*s234*s34*z12) - 
   (2*s12*s13*z4)/(s124*s234*s34*z12) + (s13^2*z4)/(s123*s234*s34*z12) - 
   (3*s14*z4)/(2*s234*s34*z12) + (s12*s14*z4)/(s123*s234*s34*z12) - 
   (4*s12*s14*z4)/(s124*s234*s34*z12) + (s13*s14*z4)/(s123*s234*s34*z12) - 
   (2*s13*s14*z4)/(s124*s234*s34*z12) - (2*s14^2*z4)/(s124*s234*s34*z12) - 
   (s23*z4)/(2*s234*s34*z12) + (2*s12*s23*z4)/(s123*s234*s34*z12) - 
   (2*s12*s23*z4)/(s124*s234*s34*z12) + (2*s13*s23*z4)/(s123*s234*s34*z12) + 
   (s14*s23*z4)/(s123*s234*s34*z12) - (2*s14*s23*z4)/(s124*s234*s34*z12) + 
   (s23^2*z4)/(s123*s234*s34*z12) - (4*s24*z4)/(s12*s34*z12) - 
   (4*s24*z4)/(s124*s34*z12) - (s13*s24*z4)/(s12*s123*s34*z12) - 
   (2*s13*s24*z4)/(s12*s124*s34*z12) - (3*s24*z4)/(2*s134*s34*z12) - 
   (2*s12*s24*z4)/(s123*s134*s34*z12) + (2*s12*s24*z4)/(s124*s134*s34*z12) - 
   (2*s13*s24*z4)/(s123*s134*s34*z12) + (s13*s24*z4)/(s124*s134*s34*z12) - 
   (4*s14*s24*z4)/(s12*s124*s34*z12) + (2*s14*s24*z4)/(s124*s134*s34*z12) - 
   (s23*s24*z4)/(s12*s123*s34*z12) - (2*s23*s24*z4)/(s12*s124*s34*z12) - 
   (2*s23*s24*z4)/(s123*s134*s34*z12) + (s23*s24*z4)/(s124*s134*s34*z12) - 
   (3*s24*z4)/(2*s234*s34*z12) + (s12*s24*z4)/(s123*s234*s34*z12) - 
   (4*s12*s24*z4)/(s124*s234*s34*z12) + (s13*s24*z4)/(s123*s234*s34*z12) - 
   (2*s13*s24*z4)/(s124*s234*s34*z12) - (4*s14*s24*z4)/(s124*s234*s34*z12) + 
   (s23*s24*z4)/(s123*s234*s34*z12) - (2*s23*s24*z4)/(s124*s234*s34*z12) - 
   (2*s24^2*z4)/(s12*s124*s34*z12) + (s24^2*z4)/(s124*s134*s34*z12) - 
   (2*s24^2*z4)/(s124*s234*s34*z12) + (2*z3*z4)/(s12*z34^2) + 
   (2*z3*z4)/(s134*z34^2) + (2*z3*z4)/(s234*z34^2) + 
   (4*s13*z3*z4)/(s34^2*z34^2) + (4*s13^2*z3*z4)/(s12*s34^2*z34^2) + 
   (2*s12*s13*z3*z4)/(s134*s34^2*z34^2) + (2*s13^2*z3*z4)/
    (s134*s34^2*z34^2) + (4*s14*z3*z4)/(s34^2*z34^2) + 
   (8*s13*s14*z3*z4)/(s12*s34^2*z34^2) + (2*s12*s14*z3*z4)/
    (s134*s34^2*z34^2) + (4*s13*s14*z3*z4)/(s134*s34^2*z34^2) + 
   (4*s14^2*z3*z4)/(s12*s34^2*z34^2) + (2*s14^2*z3*z4)/(s134*s34^2*z34^2) + 
   (4*s23*z3*z4)/(s34^2*z34^2) + (10*s13*s23*z3*z4)/(s12*s34^2*z34^2) + 
   (2*s13^2*s23*z3*z4)/(s12^2*s34^2*z34^2) + (2*s13*s23*z3*z4)/
    (s134*s34^2*z34^2) + (10*s14*s23*z3*z4)/(s12*s34^2*z34^2) + 
   (4*s13*s14*s23*z3*z4)/(s12^2*s34^2*z34^2) + 
   (2*s14*s23*z3*z4)/(s134*s34^2*z34^2) + (2*s14^2*s23*z3*z4)/
    (s12^2*s34^2*z34^2) + (4*s23^2*z3*z4)/(s12*s34^2*z34^2) + 
   (2*s13*s23^2*z3*z4)/(s12^2*s34^2*z34^2) + (2*s14*s23^2*z3*z4)/
    (s12^2*s34^2*z34^2) + (2*s12*s23*z3*z4)/(s234*s34^2*z34^2) + 
   (2*s13*s23*z3*z4)/(s234*s34^2*z34^2) + (2*s14*s23*z3*z4)/
    (s234*s34^2*z34^2) + (2*s23^2*z3*z4)/(s234*s34^2*z34^2) + 
   (4*s24*z3*z4)/(s34^2*z34^2) + (10*s13*s24*z3*z4)/(s12*s34^2*z34^2) + 
   (2*s13^2*s24*z3*z4)/(s12^2*s34^2*z34^2) + (2*s13*s24*z3*z4)/
    (s134*s34^2*z34^2) + (10*s14*s24*z3*z4)/(s12*s34^2*z34^2) + 
   (4*s13*s14*s24*z3*z4)/(s12^2*s34^2*z34^2) + 
   (2*s14*s24*z3*z4)/(s134*s34^2*z34^2) + (2*s14^2*s24*z3*z4)/
    (s12^2*s34^2*z34^2) + (8*s23*s24*z3*z4)/(s12*s34^2*z34^2) + 
   (4*s13*s23*s24*z3*z4)/(s12^2*s34^2*z34^2) + (4*s14*s23*s24*z3*z4)/
    (s12^2*s34^2*z34^2) + (2*s12*s24*z3*z4)/(s234*s34^2*z34^2) + 
   (2*s13*s24*z3*z4)/(s234*s34^2*z34^2) + (2*s14*s24*z3*z4)/
    (s234*s34^2*z34^2) + (4*s23*s24*z3*z4)/(s234*s34^2*z34^2) + 
   (4*s24^2*z3*z4)/(s12*s34^2*z34^2) + (2*s13*s24^2*z3*z4)/
    (s12^2*s34^2*z34^2) + (2*s14*s24^2*z3*z4)/(s12^2*s34^2*z34^2) + 
   (2*s24^2*z3*z4)/(s234*s34^2*z34^2) + (2*z3*z4)/(s34*z34^2) + 
   (6*s13*z3*z4)/(s12*s34*z34^2) + (2*s12*z3*z4)/(s134*s34*z34^2) + 
   (4*s13*z3*z4)/(s134*s34*z34^2) + (6*s14*z3*z4)/(s12*s34*z34^2) + 
   (4*s14*z3*z4)/(s134*s34*z34^2) + (6*s23*z3*z4)/(s12*s34*z34^2) + 
   (2*s13*s23*z3*z4)/(s12^2*s34*z34^2) + (2*s23*z3*z4)/(s134*s34*z34^2) + 
   (2*s14*s23*z3*z4)/(s12^2*s34*z34^2) + (2*s12*z3*z4)/(s234*s34*z34^2) + 
   (2*s13*z3*z4)/(s234*s34*z34^2) + (2*s14*z3*z4)/(s234*s34*z34^2) + 
   (4*s23*z3*z4)/(s234*s34*z34^2) + (6*s24*z3*z4)/(s12*s34*z34^2) + 
   (2*s13*s24*z3*z4)/(s12^2*s34*z34^2) + (2*s24*z3*z4)/(s134*s34*z34^2) + 
   (2*s14*s24*z3*z4)/(s12^2*s34*z34^2) + (4*s24*z3*z4)/(s234*s34*z34^2) - 
   (4*s23*z1*z3*z4)/(s34^2*z12*z34^2) - (6*s13*s23*z1*z3*z4)/
    (s12*s34^2*z12*z34^2) - (2*s13^2*s23*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s14*s23*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13*s14*s23*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14^2*s23*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (6*s23^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (4*s13*s23^2*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s14*s23^2*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s23^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s24*z1*z3*z4)/(s34^2*z12*z34^2) - (6*s13*s24*z1*z3*z4)/
    (s12*s34^2*z12*z34^2) - (2*s13^2*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s14*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13*s14*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14^2*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (12*s23*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (8*s13*s23*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (8*s14*s23*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s23^2*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s24^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (4*s14*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (6*s23*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s24^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s23*z1*z3*z4)/(s12*s34*z12*z34^2) - (2*s13*s23*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) - (2*s14*s23*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s23^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (4*s24*z1*z3*z4)/(s12*s34*z12*z34^2) - (2*s13*s24*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) - (2*s14*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (4*s23*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s24^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + (8*s12*z1*z2*z3*z4)/
    (s34^2*z12^2*z34^2) + (16*s13*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) + 
   (10*s13^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (2*s13^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (16*s14*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) + (20*s13*s14*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) + (6*s13^2*s14*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (10*s14^2*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) + (6*s13*s14^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (2*s14^3*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (16*s23*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) + 
   (20*s13*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (20*s14*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (12*s13*s14*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s14^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (10*s23^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s14*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s23^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (16*s24*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) + (20*s13*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) + (6*s13^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (20*s14*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) + (12*s13*s14*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (6*s14^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (20*s23*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) + (12*s13*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (12*s14*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (6*s23^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (10*s24^2*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) + (6*s13*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (6*s14*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (6*s23*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (2*s24^3*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (8*z1*z2*z3*z4)/(s34*z12^2*z34^2) + 
   (8*s13*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + (2*s13^2*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (8*s14*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + 
   (4*s13*s14*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (2*s14^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (8*s23*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + (4*s13*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (4*s14*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (2*s23^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (8*s24*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + (4*s13*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (4*s14*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (4*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (2*s24^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (4*s13*z2*z3*z4)/(s34^2*z12*z34^2) - (6*s13^2*z2*z3*z4)/
    (s12*s34^2*z12*z34^2) - (2*s13^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s14*z2*z3*z4)/(s34^2*z12*z34^2) - (12*s13*s14*z2*z3*z4)/
    (s12*s34^2*z12*z34^2) - (6*s13^2*s14*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s14^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (6*s13*s14^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s13*s23*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13^2*s23*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (6*s14*s23*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (8*s13*s14*s23*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s14^2*s23*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s13*s23^2*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s14*s23^2*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s13*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13^2*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (6*s14*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (8*s13*s14*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s14^2*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s13*s23*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s14*s23*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s13*s24^2*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s14*s24^2*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s13*z2*z3*z4)/(s12*s34*z12*z34^2) - (2*s13^2*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) - (4*s14*z2*z3*z4)/(s12*s34*z12*z34^2) - 
   (4*s13*s14*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s14^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) - (2*s13*s23*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) - (2*s14*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s13*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s14*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (4*s12*z3^2*z4)/(s34^2*z12*z34^2) + (6*s13*z3^2*z4)/(s34^2*z12*z34^2) + 
   (2*s13^2*z3^2*z4)/(s12*s34^2*z12*z34^2) + 
   (6*s14*z3^2*z4)/(s34^2*z12*z34^2) + (4*s13*s14*z3^2*z4)/
    (s12*s34^2*z12*z34^2) + (2*s14^2*z3^2*z4)/(s12*s34^2*z12*z34^2) + 
   (6*s23*z3^2*z4)/(s34^2*z12*z34^2) + (4*s13*s23*z3^2*z4)/
    (s12*s34^2*z12*z34^2) + (4*s14*s23*z3^2*z4)/(s12*s34^2*z12*z34^2) + 
   (2*s23^2*z3^2*z4)/(s12*s34^2*z12*z34^2) + 
   (6*s24*z3^2*z4)/(s34^2*z12*z34^2) + (4*s13*s24*z3^2*z4)/
    (s12*s34^2*z12*z34^2) + (4*s14*s24*z3^2*z4)/(s12*s34^2*z12*z34^2) + 
   (4*s23*s24*z3^2*z4)/(s12*s34^2*z12*z34^2) + 
   (2*s24^2*z3^2*z4)/(s12*s34^2*z12*z34^2) + (4*z3^2*z4)/(s34*z12*z34^2) + 
   (2*s13*z3^2*z4)/(s12*s34*z12*z34^2) + (2*s14*z3^2*z4)/
    (s12*s34*z12*z34^2) + (2*s23*z3^2*z4)/(s12*s34*z12*z34^2) + 
   (2*s24*z3^2*z4)/(s12*s34*z12*z34^2) + (2*z4)/(s12*z34) - z4/(s123*z34) + 
   z4/(s124*z34) - (7*s13*z4)/(2*s12*s123*z34) + (s13*z4)/(2*s12*s124*z34) - 
   (4*s12*z4)/(s123*s134*z34) - (8*s13*z4)/(s123*s134*z34) - 
   (5*s14*z4)/(2*s12*s123*z34) + (s14*z4)/(2*s12*s124*z34) - 
   (8*s14*z4)/(s123*s134*z34) - (7*s23*z4)/(2*s12*s123*z34) + 
   (s23*z4)/(2*s12*s124*z34) - (2*s13*s23*z4)/(s12^2*s123*z34) - 
   (4*s23*z4)/(s123*s134*z34) - (s14*s23*z4)/(s12^2*s123*z34) - 
   (s14*s23*z4)/(s12^2*s124*z34) + (2*s12*z4)/(s123*s234*z34) + 
   (2*s13*z4)/(s123*s234*z34) + (2*s14*z4)/(s123*s234*z34) + 
   (4*s23*z4)/(s123*s234*z34) - (5*s24*z4)/(2*s12*s123*z34) + 
   (s24*z4)/(2*s12*s124*z34) - (s13*s24*z4)/(s12^2*s123*z34) - 
   (s13*s24*z4)/(s12^2*s124*z34) - (4*s24*z4)/(s123*s134*z34) - 
   (2*s14*s24*z4)/(s12^2*s124*z34) + (4*s24*z4)/(s123*s234*z34) - 
   (4*s13*z4)/(s34^2*z34) - (4*s13^2*z4)/(s12*s34^2*z34) - 
   (2*s12*s13*z4)/(s134*s34^2*z34) - (2*s13^2*z4)/(s134*s34^2*z34) - 
   (2*s14*z4)/(s34^2*z34) - (6*s13*s14*z4)/(s12*s34^2*z34) - 
   (s12*s14*z4)/(s134*s34^2*z34) - (3*s13*s14*z4)/(s134*s34^2*z34) - 
   (2*s14^2*z4)/(s12*s34^2*z34) - (s14^2*z4)/(s134*s34^2*z34) - 
   (4*s23*z4)/(s34^2*z34) - (10*s13*s23*z4)/(s12*s34^2*z34) - 
   (2*s13^2*s23*z4)/(s12^2*s34^2*z34) - (2*s13*s23*z4)/(s134*s34^2*z34) - 
   (9*s14*s23*z4)/(s12*s34^2*z34) - (5*s13*s14*s23*z4)/(s12^2*s34^2*z34) - 
   (s14*s23*z4)/(s134*s34^2*z34) - (3*s14^2*s23*z4)/(s12^2*s34^2*z34) - 
   (4*s23^2*z4)/(s12*s34^2*z34) - (2*s13*s23^2*z4)/(s12^2*s34^2*z34) - 
   (3*s14*s23^2*z4)/(s12^2*s34^2*z34) - (2*s12*s23*z4)/(s234*s34^2*z34) - 
   (2*s13*s23*z4)/(s234*s34^2*z34) - (3*s14*s23*z4)/(s234*s34^2*z34) - 
   (s13*s14*s23*z4)/(s12*s234*s34^2*z34) - 
   (s14^2*s23*z4)/(s12*s234*s34^2*z34) - (2*s23^2*z4)/(s234*s34^2*z34) - 
   (s14*s23^2*z4)/(s12*s234*s34^2*z34) - (2*s24*z4)/(s34^2*z34) - 
   (9*s13*s24*z4)/(s12*s34^2*z34) - (3*s13^2*s24*z4)/(s12^2*s34^2*z34) - 
   (3*s13*s24*z4)/(s134*s34^2*z34) - (s13^2*s24*z4)/(s12*s134*s34^2*z34) - 
   (8*s14*s24*z4)/(s12*s34^2*z34) - (7*s13*s14*s24*z4)/(s12^2*s34^2*z34) - 
   (2*s14*s24*z4)/(s134*s34^2*z34) - (2*s13*s14*s24*z4)/
    (s12*s134*s34^2*z34) - (4*s14^2*s24*z4)/(s12^2*s34^2*z34) - 
   (s14^2*s24*z4)/(s12*s134*s34^2*z34) - (6*s23*s24*z4)/(s12*s34^2*z34) - 
   (5*s13*s23*s24*z4)/(s12^2*s34^2*z34) - (s13*s23*s24*z4)/
    (s12*s134*s34^2*z34) - (7*s14*s23*s24*z4)/(s12^2*s34^2*z34) - 
   (s14*s23*s24*z4)/(s12*s134*s34^2*z34) - (s12*s24*z4)/(s234*s34^2*z34) - 
   (s13*s24*z4)/(s234*s34^2*z34) - (2*s14*s24*z4)/(s234*s34^2*z34) - 
   (s13*s14*s24*z4)/(s12*s234*s34^2*z34) - 
   (s14^2*s24*z4)/(s12*s234*s34^2*z34) - (3*s23*s24*z4)/(s234*s34^2*z34) - 
   (2*s14*s23*s24*z4)/(s12*s234*s34^2*z34) - (2*s24^2*z4)/(s12*s34^2*z34) - 
   (3*s13*s24^2*z4)/(s12^2*s34^2*z34) - (s13*s24^2*z4)/(s12*s134*s34^2*z34) - 
   (4*s14*s24^2*z4)/(s12^2*s34^2*z34) - (s14*s24^2*z4)/(s12*s134*s34^2*z34) - 
   (s24^2*z4)/(s234*s34^2*z34) - (s14*s24^2*z4)/(s12*s234*s34^2*z34) + 
   (2*z4)/(s34*z34) - (2*s13*z4)/(s12*s34*z34) - 
   (5*s13*z4)/(2*s123*s34*z34) - (s13*z4)/(2*s124*s34*z34) - 
   (5*s13^2*z4)/(2*s12*s123*s34*z34) - (s13^2*z4)/(2*s12*s124*s34*z34) - 
   (2*s13*z4)/(s134*s34*z34) - (4*s12*s13*z4)/(s123*s134*s34*z34) - 
   (4*s13^2*z4)/(s123*s134*s34*z34) - (3*s14*z4)/(2*s123*s34*z34) - 
   (s14*z4)/(2*s124*s34*z34) - (4*s13*s14*z4)/(s12*s123*s34*z34) - 
   (s13*s14*z4)/(s12*s124*s34*z34) - (s14*z4)/(s134*s34*z34) - 
   (4*s12*s14*z4)/(s123*s134*s34*z34) - (8*s13*s14*z4)/(s123*s134*s34*z34) - 
   (3*s14^2*z4)/(2*s12*s123*s34*z34) - (s14^2*z4)/(2*s12*s124*s34*z34) - 
   (4*s14^2*z4)/(s123*s134*s34*z34) - (2*s23*z4)/(s12*s34*z34) - 
   (5*s23*z4)/(2*s123*s34*z34) - (s23*z4)/(2*s124*s34*z34) - 
   (2*s13*s23*z4)/(s12^2*s34*z34) - (7*s13*s23*z4)/(s12*s123*s34*z34) - 
   (s13*s23*z4)/(s12*s124*s34*z34) - (2*s13^2*s23*z4)/(s12^2*s123*s34*z34) - 
   (4*s13*s23*z4)/(s123*s134*s34*z34) - (3*s14*s23*z4)/(s12^2*s34*z34) - 
   (5*s14*s23*z4)/(s12*s123*s34*z34) - (2*s14*s23*z4)/(s12*s124*s34*z34) - 
   (3*s13*s14*s23*z4)/(s12^2*s123*s34*z34) - (s13*s14*s23*z4)/
    (s12^2*s124*s34*z34) - (4*s14*s23*z4)/(s123*s134*s34*z34) - 
   (s14^2*s23*z4)/(s12^2*s123*s34*z34) - (s14^2*s23*z4)/
    (s12^2*s124*s34*z34) - (5*s23^2*z4)/(2*s12*s123*s34*z34) - 
   (s23^2*z4)/(2*s12*s124*s34*z34) - (2*s13*s23^2*z4)/(s12^2*s123*s34*z34) - 
   (s14*s23^2*z4)/(s12^2*s123*s34*z34) - (s14*s23^2*z4)/
    (s12^2*s124*s34*z34) - (2*s23*z4)/(s234*s34*z34) + 
   (2*s12*s23*z4)/(s123*s234*s34*z34) + (2*s13*s23*z4)/(s123*s234*s34*z34) - 
   (s14*s23*z4)/(s12*s234*s34*z34) + (2*s14*s23*z4)/(s123*s234*s34*z34) + 
   (2*s23^2*z4)/(s123*s234*s34*z34) - (3*s24*z4)/(2*s123*s34*z34) - 
   (s24*z4)/(2*s124*s34*z34) - (3*s13*s24*z4)/(s12^2*s34*z34) - 
   (5*s13*s24*z4)/(s12*s123*s34*z34) - (2*s13*s24*z4)/(s12*s124*s34*z34) - 
   (s13^2*s24*z4)/(s12^2*s123*s34*z34) - (s13^2*s24*z4)/
    (s12^2*s124*s34*z34) - (s13*s24*z4)/(s12*s134*s34*z34) - 
   (4*s13*s24*z4)/(s123*s134*s34*z34) - (4*s14*s24*z4)/(s12^2*s34*z34) - 
   (3*s14*s24*z4)/(s12*s123*s34*z34) - (3*s14*s24*z4)/(s12*s124*s34*z34) - 
   (s13*s14*s24*z4)/(s12^2*s123*s34*z34) - (3*s13*s14*s24*z4)/
    (s12^2*s124*s34*z34) - (s14*s24*z4)/(s12*s134*s34*z34) - 
   (4*s14*s24*z4)/(s123*s134*s34*z34) - (2*s14^2*s24*z4)/
    (s12^2*s124*s34*z34) - (4*s23*s24*z4)/(s12*s123*s34*z34) - 
   (s23*s24*z4)/(s12*s124*s34*z34) - (3*s13*s23*s24*z4)/
    (s12^2*s123*s34*z34) - (s13*s23*s24*z4)/(s12^2*s124*s34*z34) - 
   (s14*s23*s24*z4)/(s12^2*s123*s34*z34) - (3*s14*s23*s24*z4)/
    (s12^2*s124*s34*z34) - (s24*z4)/(s234*s34*z34) + 
   (2*s12*s24*z4)/(s123*s234*s34*z34) + (2*s13*s24*z4)/(s123*s234*s34*z34) - 
   (s14*s24*z4)/(s12*s234*s34*z34) + (2*s14*s24*z4)/(s123*s234*s34*z34) + 
   (4*s23*s24*z4)/(s123*s234*s34*z34) - (3*s24^2*z4)/(2*s12*s123*s34*z34) - 
   (s24^2*z4)/(2*s12*s124*s34*z34) - (s13*s24^2*z4)/(s12^2*s123*s34*z34) - 
   (s13*s24^2*z4)/(s12^2*s124*s34*z34) - (2*s14*s24^2*z4)/
    (s12^2*s124*s34*z34) + (2*s24^2*z4)/(s123*s234*s34*z34) - 
   (s34*z4)/(s12*s123*z34) + (s34*z4)/(s12*s124*z34) - 
   (4*s34*z4)/(s123*s134*z34) + (2*s34*z4)/(s123*s234*z34) - 
   (z1*z4)/(s12*z12*z34) + (z1*z4)/(s123*z12*z34) - (z1*z4)/(s124*z12*z34) + 
   (s13*z1*z4)/(2*s12*s123*z12*z34) - (s13*z1*z4)/(2*s12*s124*z12*z34) + 
   (s14*z1*z4)/(2*s12*s123*z12*z34) - (s14*z1*z4)/(2*s12*s124*z12*z34) + 
   (7*s23*z1*z4)/(2*s12*s123*z12*z34) + (s23*z1*z4)/(2*s12*s124*z12*z34) + 
   (2*s13*s23*z1*z4)/(s12^2*s123*z12*z34) + (s14*s23*z1*z4)/
    (s12^2*s123*z12*z34) + (s14*s23*z1*z4)/(s12^2*s124*z12*z34) + 
   (2*s23^2*z1*z4)/(s12^2*s123*z12*z34) + 
   (3*s24*z1*z4)/(2*s12*s123*z12*z34) + (5*s24*z1*z4)/(2*s12*s124*z12*z34) + 
   (s13*s24*z1*z4)/(s12^2*s123*z12*z34) + (s13*s24*z1*z4)/
    (s12^2*s124*z12*z34) + (2*s14*s24*z1*z4)/(s12^2*s124*z12*z34) + 
   (2*s23*s24*z1*z4)/(s12^2*s123*z12*z34) + (2*s23*s24*z1*z4)/
    (s12^2*s124*z12*z34) + (2*s24^2*z1*z4)/(s12^2*s124*z12*z34) + 
   (4*s23*z1*z4)/(s34^2*z12*z34) + (6*s13*s23*z1*z4)/(s12*s34^2*z12*z34) + 
   (2*s13^2*s23*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (7*s14*s23*z1*z4)/(s12*s34^2*z12*z34) + (5*s13*s14*s23*z1*z4)/
    (s12^2*s34^2*z12*z34) + (3*s14^2*s23*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (6*s23^2*z1*z4)/(s12*s34^2*z12*z34) + (4*s13*s23^2*z1*z4)/
    (s12^2*s34^2*z12*z34) + (5*s14*s23^2*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (2*s23^3*z1*z4)/(s12^2*s34^2*z12*z34) + (6*s24*z1*z4)/(s34^2*z12*z34) + 
   (9*s13*s24*z1*z4)/(s12*s34^2*z12*z34) + (3*s13^2*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) + (s12*s24*z1*z4)/(s134*s34^2*z12*z34) + 
   (3*s13*s24*z1*z4)/(2*s134*s34^2*z12*z34) + 
   (s13^2*s24*z1*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (10*s14*s24*z1*z4)/(s12*s34^2*z12*z34) + (7*s13*s14*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) + (3*s14*s24*z1*z4)/(2*s134*s34^2*z12*z34) + 
   (s13*s14*s24*z1*z4)/(s12*s134*s34^2*z12*z34) + 
   (4*s14^2*s24*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s14^2*s24*z1*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (16*s23*s24*z1*z4)/(s12*s34^2*z12*z34) + (11*s13*s23*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) + (3*s23*s24*z1*z4)/(2*s134*s34^2*z12*z34) + 
   (s13*s23*s24*z1*z4)/(s12*s134*s34^2*z12*z34) + 
   (13*s14*s23*s24*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s14*s23*s24*z1*z4)/(s12*s134*s34^2*z12*z34) + 
   (8*s23^2*s24*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s23^2*s24*z1*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s12*s24*z1*z4)/(s234*s34^2*z12*z34) + (3*s13*s24*z1*z4)/
    (2*s234*s34^2*z12*z34) + (s13^2*s24*z1*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (3*s14*s24*z1*z4)/(2*s234*s34^2*z12*z34) + (s13*s14*s24*z1*z4)/
    (s12*s234*s34^2*z12*z34) + (s14^2*s24*z1*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (3*s23*s24*z1*z4)/(2*s234*s34^2*z12*z34) + (s13*s23*s24*z1*z4)/
    (s12*s234*s34^2*z12*z34) + (s14*s23*s24*z1*z4)/(s12*s234*s34^2*z12*z34) + 
   (s23^2*s24*z1*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (10*s24^2*z1*z4)/(s12*s34^2*z12*z34) + (7*s13*s24^2*z1*z4)/
    (s12^2*s34^2*z12*z34) + (3*s24^2*z1*z4)/(2*s134*s34^2*z12*z34) + 
   (s13*s24^2*z1*z4)/(s12*s134*s34^2*z12*z34) + 
   (8*s14*s24^2*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s14*s24^2*z1*z4)/(s12*s134*s34^2*z12*z34) + 
   (10*s23*s24^2*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s23*s24^2*z1*z4)/(s12*s134*s34^2*z12*z34) + 
   (3*s24^2*z1*z4)/(2*s234*s34^2*z12*z34) + (s13*s24^2*z1*z4)/
    (s12*s234*s34^2*z12*z34) + (s14*s24^2*z1*z4)/(s12*s234*s34^2*z12*z34) + 
   (s23*s24^2*z1*z4)/(s12*s234*s34^2*z12*z34) + 
   (4*s24^3*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s24^3*z1*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s24^3*z1*z4)/(2*s12*s234*s34^2*z12*z34) - (z1*z4)/(s34*z12*z34) + 
   (s12*z1*z4)/(s123*s34*z12*z34) - (s12*z1*z4)/(s124*s34*z12*z34) - 
   (s13*z1*z4)/(s12*s34*z12*z34) + (3*s13*z1*z4)/(2*s123*s34*z12*z34) - 
   (3*s13*z1*z4)/(2*s124*s34*z12*z34) + (s13^2*z1*z4)/
    (2*s12*s123*s34*z12*z34) - (s13^2*z1*z4)/(2*s12*s124*s34*z12*z34) - 
   (s14*z1*z4)/(s12*s34*z12*z34) + (3*s14*z1*z4)/(2*s123*s34*z12*z34) - 
   (3*s14*z1*z4)/(2*s124*s34*z12*z34) + (s13*s14*z1*z4)/
    (s12*s123*s34*z12*z34) - (s13*s14*z1*z4)/(s12*s124*s34*z12*z34) + 
   (s14^2*z1*z4)/(2*s12*s123*s34*z12*z34) - 
   (s14^2*z1*z4)/(2*s12*s124*s34*z12*z34) + (3*s23*z1*z4)/(s12*s34*z12*z34) + 
   (9*s23*z1*z4)/(2*s123*s34*z12*z34) - (s23*z1*z4)/(2*s124*s34*z12*z34) + 
   (2*s13*s23*z1*z4)/(s12^2*s34*z12*z34) + (6*s13*s23*z1*z4)/
    (s12*s123*s34*z12*z34) + (2*s13^2*s23*z1*z4)/(s12^2*s123*s34*z12*z34) + 
   (3*s14*s23*z1*z4)/(s12^2*s34*z12*z34) + (5*s14*s23*z1*z4)/
    (s12*s123*s34*z12*z34) + (s14*s23*z1*z4)/(s12*s124*s34*z12*z34) + 
   (3*s13*s14*s23*z1*z4)/(s12^2*s123*s34*z12*z34) + 
   (s13*s14*s23*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (s14^2*s23*z1*z4)/(s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (2*s23^2*z1*z4)/(s12^2*s34*z12*z34) + (11*s23^2*z1*z4)/
    (2*s12*s123*s34*z12*z34) + (s23^2*z1*z4)/(2*s12*s124*s34*z12*z34) + 
   (4*s13*s23^2*z1*z4)/(s12^2*s123*s34*z12*z34) + 
   (3*s14*s23^2*z1*z4)/(s12^2*s123*s34*z12*z34) + 
   (s14*s23^2*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (2*s23^3*z1*z4)/(s12^2*s123*s34*z12*z34) + 
   (5*s24*z1*z4)/(s12*s34*z12*z34) + (5*s24*z1*z4)/(2*s123*s34*z12*z34) + 
   (3*s24*z1*z4)/(2*s124*s34*z12*z34) + (3*s13*s24*z1*z4)/
    (s12^2*s34*z12*z34) + (3*s13*s24*z1*z4)/(s12*s123*s34*z12*z34) + 
   (3*s13*s24*z1*z4)/(s12*s124*s34*z12*z34) + 
   (s13^2*s24*z1*z4)/(s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (s24*z1*z4)/(s134*s34*z12*z34) + (s13*s24*z1*z4)/
    (2*s12*s134*s34*z12*z34) + (4*s14*s24*z1*z4)/(s12^2*s34*z12*z34) + 
   (2*s14*s24*z1*z4)/(s12*s123*s34*z12*z34) + 
   (4*s14*s24*z1*z4)/(s12*s124*s34*z12*z34) + (s13*s14*s24*z1*z4)/
    (s12^2*s123*s34*z12*z34) + (3*s13*s14*s24*z1*z4)/
    (s12^2*s124*s34*z12*z34) + (s14*s24*z1*z4)/(2*s12*s134*s34*z12*z34) + 
   (2*s14^2*s24*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (6*s23*s24*z1*z4)/(s12^2*s34*z12*z34) + (7*s23*s24*z1*z4)/
    (s12*s123*s34*z12*z34) + (5*s23*s24*z1*z4)/(s12*s124*s34*z12*z34) + 
   (5*s13*s23*s24*z1*z4)/(s12^2*s123*s34*z12*z34) + 
   (3*s13*s23*s24*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (s23*s24*z1*z4)/(2*s12*s134*s34*z12*z34) + (3*s14*s23*s24*z1*z4)/
    (s12^2*s123*s34*z12*z34) + (5*s14*s23*s24*z1*z4)/
    (s12^2*s124*s34*z12*z34) + (4*s23^2*s24*z1*z4)/(s12^2*s123*s34*z12*z34) + 
   (2*s23^2*s24*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (s24*z1*z4)/(s234*s34*z12*z34) + (s13*s24*z1*z4)/
    (2*s12*s234*s34*z12*z34) + (s14*s24*z1*z4)/(2*s12*s234*s34*z12*z34) + 
   (s23*s24*z1*z4)/(2*s12*s234*s34*z12*z34) + 
   (4*s24^2*z1*z4)/(s12^2*s34*z12*z34) + (3*s24^2*z1*z4)/
    (2*s12*s123*s34*z12*z34) + (9*s24^2*z1*z4)/(2*s12*s124*s34*z12*z34) + 
   (s13*s24^2*z1*z4)/(s12^2*s123*s34*z12*z34) + 
   (3*s13*s24^2*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (s24^2*z1*z4)/(2*s12*s134*s34*z12*z34) + (4*s14*s24^2*z1*z4)/
    (s12^2*s124*s34*z12*z34) + (2*s23*s24^2*z1*z4)/(s12^2*s123*s34*z12*z34) + 
   (4*s23*s24^2*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (s24^2*z1*z4)/(2*s12*s234*s34*z12*z34) + (2*s24^3*z1*z4)/
    (s12^2*s124*s34*z12*z34) - (4*z1*z2*z4)/(s123*z12^2*z34) - 
   (4*z1*z2*z4)/(s124*z12^2*z34) - (6*s13*z1*z2*z4)/(s12*s123*z12^2*z34) - 
   (2*s13*z1*z2*z4)/(s12*s124*z12^2*z34) - (2*s13^2*z1*z2*z4)/
    (s12^2*s123*z12^2*z34) - (2*s14*z1*z2*z4)/(s12*s123*z12^2*z34) - 
   (6*s14*z1*z2*z4)/(s12*s124*z12^2*z34) - (2*s13*s14*z1*z2*z4)/
    (s12^2*s123*z12^2*z34) - (2*s13*s14*z1*z2*z4)/(s12^2*s124*z12^2*z34) - 
   (2*s14^2*z1*z2*z4)/(s12^2*s124*z12^2*z34) - 
   (6*s23*z1*z2*z4)/(s12*s123*z12^2*z34) - (2*s23*z1*z2*z4)/
    (s12*s124*z12^2*z34) - (4*s13*s23*z1*z2*z4)/(s12^2*s123*z12^2*z34) - 
   (2*s14*s23*z1*z2*z4)/(s12^2*s123*z12^2*z34) - 
   (2*s14*s23*z1*z2*z4)/(s12^2*s124*z12^2*z34) - 
   (2*s23^2*z1*z2*z4)/(s12^2*s123*z12^2*z34) - 
   (2*s24*z1*z2*z4)/(s12*s123*z12^2*z34) - (6*s24*z1*z2*z4)/
    (s12*s124*z12^2*z34) - (2*s13*s24*z1*z2*z4)/(s12^2*s123*z12^2*z34) - 
   (2*s13*s24*z1*z2*z4)/(s12^2*s124*z12^2*z34) - 
   (4*s14*s24*z1*z2*z4)/(s12^2*s124*z12^2*z34) - 
   (2*s23*s24*z1*z2*z4)/(s12^2*s123*z12^2*z34) - 
   (2*s23*s24*z1*z2*z4)/(s12^2*s124*z12^2*z34) - 
   (2*s24^2*z1*z2*z4)/(s12^2*s124*z12^2*z34) - 
   (8*s12*z1*z2*z4)/(s34^2*z12^2*z34) - (16*s13*z1*z2*z4)/(s34^2*z12^2*z34) - 
   (10*s13^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (2*s13^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (20*s14*z1*z2*z4)/(s34^2*z12^2*z34) - (26*s13*s14*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) - (8*s13^2*s14*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (16*s14^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) - (10*s13*s14^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (4*s14^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (16*s23*z1*z2*z4)/(s34^2*z12^2*z34) - (20*s13*s23*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) - (6*s13^2*s23*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (26*s14*s23*z1*z2*z4)/(s12*s34^2*z12^2*z34) - (16*s13*s14*s23*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (10*s14^2*s23*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (10*s23^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (6*s13*s23^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (8*s14*s23^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s23^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (20*s24*z1*z2*z4)/(s34^2*z12^2*z34) - (26*s13*s24*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) - (8*s13^2*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (32*s14*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) - (20*s13*s14*s24*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (12*s14^2*s24*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (26*s23*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (16*s13*s23*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (20*s14*s23*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (8*s23^2*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (16*s24^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) - (10*s13*s24^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (12*s14*s24^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (10*s23*s24^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (4*s24^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (8*z1*z2*z4)/(s34*z12^2*z34) - (4*s12*z1*z2*z4)/(s123*s34*z12^2*z34) - 
   (4*s12*z1*z2*z4)/(s124*s34*z12^2*z34) - (8*s13*z1*z2*z4)/
    (s12*s34*z12^2*z34) - (10*s13*z1*z2*z4)/(s123*s34*z12^2*z34) - 
   (6*s13*z1*z2*z4)/(s124*s34*z12^2*z34) - (2*s13^2*z1*z2*z4)/
    (s12^2*s34*z12^2*z34) - (8*s13^2*z1*z2*z4)/(s12*s123*s34*z12^2*z34) - 
   (2*s13^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - 
   (2*s13^3*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (12*s14*z1*z2*z4)/(s12*s34*z12^2*z34) - (6*s14*z1*z2*z4)/
    (s123*s34*z12^2*z34) - (10*s14*z1*z2*z4)/(s124*s34*z12^2*z34) - 
   (6*s13*s14*z1*z2*z4)/(s12^2*s34*z12^2*z34) - (10*s13*s14*z1*z2*z4)/
    (s12*s123*s34*z12^2*z34) - (10*s13*s14*z1*z2*z4)/
    (s12*s124*s34*z12^2*z34) - (4*s13^2*s14*z1*z2*z4)/
    (s12^2*s123*s34*z12^2*z34) - (2*s13^2*s14*z1*z2*z4)/
    (s12^2*s124*s34*z12^2*z34) - (4*s14^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (2*s14^2*z1*z2*z4)/(s12*s123*s34*z12^2*z34) - 
   (8*s14^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - 
   (2*s13*s14^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (4*s13*s14^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s14^3*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (8*s23*z1*z2*z4)/(s12*s34*z12^2*z34) - (10*s23*z1*z2*z4)/
    (s123*s34*z12^2*z34) - (6*s23*z1*z2*z4)/(s124*s34*z12^2*z34) - 
   (4*s13*s23*z1*z2*z4)/(s12^2*s34*z12^2*z34) - (16*s13*s23*z1*z2*z4)/
    (s12*s123*s34*z12^2*z34) - (4*s13*s23*z1*z2*z4)/
    (s12*s124*s34*z12^2*z34) - (6*s13^2*s23*z1*z2*z4)/
    (s12^2*s123*s34*z12^2*z34) - (6*s14*s23*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (10*s14*s23*z1*z2*z4)/(s12*s123*s34*z12^2*z34) - 
   (10*s14*s23*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - 
   (8*s13*s14*s23*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (4*s13*s14*s23*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s14^2*s23*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (4*s14^2*s23*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s23^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) - (8*s23^2*z1*z2*z4)/
    (s12*s123*s34*z12^2*z34) - (2*s23^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - 
   (6*s13*s23^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (4*s14*s23^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s14*s23^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s23^3*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (12*s24*z1*z2*z4)/(s12*s34*z12^2*z34) - (6*s24*z1*z2*z4)/
    (s123*s34*z12^2*z34) - (10*s24*z1*z2*z4)/(s124*s34*z12^2*z34) - 
   (6*s13*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) - (10*s13*s24*z1*z2*z4)/
    (s12*s123*s34*z12^2*z34) - (10*s13*s24*z1*z2*z4)/
    (s12*s124*s34*z12^2*z34) - (4*s13^2*s24*z1*z2*z4)/
    (s12^2*s123*s34*z12^2*z34) - (2*s13^2*s24*z1*z2*z4)/
    (s12^2*s124*s34*z12^2*z34) - (8*s14*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (4*s14*s24*z1*z2*z4)/(s12*s123*s34*z12^2*z34) - 
   (16*s14*s24*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - 
   (4*s13*s14*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (8*s13*s14*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (6*s14^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (6*s23*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) - (10*s23*s24*z1*z2*z4)/
    (s12*s123*s34*z12^2*z34) - (10*s23*s24*z1*z2*z4)/
    (s12*s124*s34*z12^2*z34) - (8*s13*s23*s24*z1*z2*z4)/
    (s12^2*s123*s34*z12^2*z34) - (4*s13*s23*s24*z1*z2*z4)/
    (s12^2*s124*s34*z12^2*z34) - (4*s14*s23*s24*z1*z2*z4)/
    (s12^2*s123*s34*z12^2*z34) - (8*s14*s23*s24*z1*z2*z4)/
    (s12^2*s124*s34*z12^2*z34) - (4*s23^2*s24*z1*z2*z4)/
    (s12^2*s123*s34*z12^2*z34) - (2*s23^2*s24*z1*z2*z4)/
    (s12^2*s124*s34*z12^2*z34) - (4*s24^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (2*s24^2*z1*z2*z4)/(s12*s123*s34*z12^2*z34) - 
   (8*s24^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - 
   (2*s13*s24^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (4*s13*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (6*s14*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s23*s24^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (4*s23*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s24^3*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - (z2*z4)/(s12*z12*z34) + 
   (z2*z4)/(s123*z12*z34) - (z2*z4)/(s124*z12*z34) + 
   (7*s13*z2*z4)/(2*s12*s123*z12*z34) + (s13*z2*z4)/(2*s12*s124*z12*z34) + 
   (2*s13^2*z2*z4)/(s12^2*s123*z12*z34) + 
   (3*s14*z2*z4)/(2*s12*s123*z12*z34) + (5*s14*z2*z4)/(2*s12*s124*z12*z34) + 
   (2*s13*s14*z2*z4)/(s12^2*s123*z12*z34) + (2*s13*s14*z2*z4)/
    (s12^2*s124*z12*z34) + (2*s14^2*z2*z4)/(s12^2*s124*z12*z34) + 
   (s23*z2*z4)/(2*s12*s123*z12*z34) - (s23*z2*z4)/(2*s12*s124*z12*z34) + 
   (2*s13*s23*z2*z4)/(s12^2*s123*z12*z34) + (s14*s23*z2*z4)/
    (s12^2*s123*z12*z34) + (s14*s23*z2*z4)/(s12^2*s124*z12*z34) + 
   (s24*z2*z4)/(2*s12*s123*z12*z34) - (s24*z2*z4)/(2*s12*s124*z12*z34) + 
   (s13*s24*z2*z4)/(s12^2*s123*z12*z34) + (s13*s24*z2*z4)/
    (s12^2*s124*z12*z34) + (2*s14*s24*z2*z4)/(s12^2*s124*z12*z34) + 
   (4*s13*z2*z4)/(s34^2*z12*z34) + (6*s13^2*z2*z4)/(s12*s34^2*z12*z34) + 
   (2*s13^3*z2*z4)/(s12^2*s34^2*z12*z34) + (6*s14*z2*z4)/(s34^2*z12*z34) + 
   (16*s13*s14*z2*z4)/(s12*s34^2*z12*z34) + (8*s13^2*s14*z2*z4)/
    (s12^2*s34^2*z12*z34) + (s12*s14*z2*z4)/(s134*s34^2*z12*z34) + 
   (3*s13*s14*z2*z4)/(2*s134*s34^2*z12*z34) + 
   (s13^2*s14*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (10*s14^2*z2*z4)/(s12*s34^2*z12*z34) + (10*s13*s14^2*z2*z4)/
    (s12^2*s34^2*z12*z34) + (3*s14^2*z2*z4)/(2*s134*s34^2*z12*z34) + 
   (s13*s14^2*z2*z4)/(s12*s134*s34^2*z12*z34) + 
   (4*s14^3*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s14^3*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (6*s13*s23*z2*z4)/(s12*s34^2*z12*z34) + (4*s13^2*s23*z2*z4)/
    (s12^2*s34^2*z12*z34) + (9*s14*s23*z2*z4)/(s12*s34^2*z12*z34) + 
   (11*s13*s14*s23*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (3*s14*s23*z2*z4)/(2*s134*s34^2*z12*z34) + (s13*s14*s23*z2*z4)/
    (s12*s134*s34^2*z12*z34) + (7*s14^2*s23*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s14^2*s23*z2*z4)/(s12*s134*s34^2*z12*z34) + 
   (2*s13*s23^2*z2*z4)/(s12^2*s34^2*z12*z34) + (3*s14*s23^2*z2*z4)/
    (s12^2*s34^2*z12*z34) + (s14*s23^2*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s12*s14*z2*z4)/(s234*s34^2*z12*z34) + (3*s13*s14*z2*z4)/
    (2*s234*s34^2*z12*z34) + (s13^2*s14*z2*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (3*s14^2*z2*z4)/(2*s234*s34^2*z12*z34) + (s13*s14^2*z2*z4)/
    (s12*s234*s34^2*z12*z34) + (s14^3*z2*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (3*s14*s23*z2*z4)/(2*s234*s34^2*z12*z34) + (s13*s14*s23*z2*z4)/
    (s12*s234*s34^2*z12*z34) + (s14^2*s23*z2*z4)/(s12*s234*s34^2*z12*z34) + 
   (s14*s23^2*z2*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (7*s13*s24*z2*z4)/(s12*s34^2*z12*z34) + (5*s13^2*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) + (10*s14*s24*z2*z4)/(s12*s34^2*z12*z34) + 
   (13*s13*s14*s24*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (3*s14*s24*z2*z4)/(2*s134*s34^2*z12*z34) + (s13*s14*s24*z2*z4)/
    (s12*s134*s34^2*z12*z34) + (8*s14^2*s24*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s14^2*s24*z2*z4)/(s12*s134*s34^2*z12*z34) + (5*s13*s23*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) + (7*s14*s23*s24*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s14*s23*s24*z2*z4)/(s12*s134*s34^2*z12*z34) + 
   (3*s14*s24*z2*z4)/(2*s234*s34^2*z12*z34) + (s13*s14*s24*z2*z4)/
    (s12*s234*s34^2*z12*z34) + (s14^2*s24*z2*z4)/(s12*s234*s34^2*z12*z34) + 
   (s14*s23*s24*z2*z4)/(s12*s234*s34^2*z12*z34) + 
   (3*s13*s24^2*z2*z4)/(s12^2*s34^2*z12*z34) + (4*s14*s24^2*z2*z4)/
    (s12^2*s34^2*z12*z34) + (s14*s24^2*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s24^2*z2*z4)/(2*s12*s234*s34^2*z12*z34) - (z2*z4)/(s34*z12*z34) + 
   (s12*z2*z4)/(s123*s34*z12*z34) - (s12*z2*z4)/(s124*s34*z12*z34) + 
   (3*s13*z2*z4)/(s12*s34*z12*z34) + (9*s13*z2*z4)/(2*s123*s34*z12*z34) - 
   (s13*z2*z4)/(2*s124*s34*z12*z34) + (2*s13^2*z2*z4)/(s12^2*s34*z12*z34) + 
   (11*s13^2*z2*z4)/(2*s12*s123*s34*z12*z34) + 
   (s13^2*z2*z4)/(2*s12*s124*s34*z12*z34) + (2*s13^3*z2*z4)/
    (s12^2*s123*s34*z12*z34) + (5*s14*z2*z4)/(s12*s34*z12*z34) + 
   (5*s14*z2*z4)/(2*s123*s34*z12*z34) + (3*s14*z2*z4)/(2*s124*s34*z12*z34) + 
   (6*s13*s14*z2*z4)/(s12^2*s34*z12*z34) + (7*s13*s14*z2*z4)/
    (s12*s123*s34*z12*z34) + (5*s13*s14*z2*z4)/(s12*s124*s34*z12*z34) + 
   (4*s13^2*s14*z2*z4)/(s12^2*s123*s34*z12*z34) + 
   (2*s13^2*s14*z2*z4)/(s12^2*s124*s34*z12*z34) + 
   (s14*z2*z4)/(s134*s34*z12*z34) + (s13*s14*z2*z4)/
    (2*s12*s134*s34*z12*z34) + (4*s14^2*z2*z4)/(s12^2*s34*z12*z34) + 
   (3*s14^2*z2*z4)/(2*s12*s123*s34*z12*z34) + 
   (9*s14^2*z2*z4)/(2*s12*s124*s34*z12*z34) + (2*s13*s14^2*z2*z4)/
    (s12^2*s123*s34*z12*z34) + (4*s13*s14^2*z2*z4)/(s12^2*s124*s34*z12*z34) + 
   (s14^2*z2*z4)/(2*s12*s134*s34*z12*z34) + (2*s14^3*z2*z4)/
    (s12^2*s124*s34*z12*z34) - (s23*z2*z4)/(s12*s34*z12*z34) + 
   (3*s23*z2*z4)/(2*s123*s34*z12*z34) - (3*s23*z2*z4)/(2*s124*s34*z12*z34) + 
   (2*s13*s23*z2*z4)/(s12^2*s34*z12*z34) + (6*s13*s23*z2*z4)/
    (s12*s123*s34*z12*z34) + (4*s13^2*s23*z2*z4)/(s12^2*s123*s34*z12*z34) + 
   (3*s14*s23*z2*z4)/(s12^2*s34*z12*z34) + (3*s14*s23*z2*z4)/
    (s12*s123*s34*z12*z34) + (3*s14*s23*z2*z4)/(s12*s124*s34*z12*z34) + 
   (5*s13*s14*s23*z2*z4)/(s12^2*s123*s34*z12*z34) + 
   (3*s13*s14*s23*z2*z4)/(s12^2*s124*s34*z12*z34) + 
   (s14*s23*z2*z4)/(2*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z2*z4)/(s12^2*s123*s34*z12*z34) + 
   (3*s14^2*s23*z2*z4)/(s12^2*s124*s34*z12*z34) + 
   (s23^2*z2*z4)/(2*s12*s123*s34*z12*z34) - 
   (s23^2*z2*z4)/(2*s12*s124*s34*z12*z34) + (2*s13*s23^2*z2*z4)/
    (s12^2*s123*s34*z12*z34) + (s14*s23^2*z2*z4)/(s12^2*s123*s34*z12*z34) + 
   (s14*s23^2*z2*z4)/(s12^2*s124*s34*z12*z34) + 
   (s14*z2*z4)/(s234*s34*z12*z34) + (s13*s14*z2*z4)/
    (2*s12*s234*s34*z12*z34) + (s14^2*z2*z4)/(2*s12*s234*s34*z12*z34) + 
   (s14*s23*z2*z4)/(2*s12*s234*s34*z12*z34) - (s24*z2*z4)/(s12*s34*z12*z34) + 
   (3*s24*z2*z4)/(2*s123*s34*z12*z34) - (3*s24*z2*z4)/(2*s124*s34*z12*z34) + 
   (3*s13*s24*z2*z4)/(s12^2*s34*z12*z34) + (5*s13*s24*z2*z4)/
    (s12*s123*s34*z12*z34) + (s13*s24*z2*z4)/(s12*s124*s34*z12*z34) + 
   (3*s13^2*s24*z2*z4)/(s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z2*z4)/(s12^2*s124*s34*z12*z34) + 
   (4*s14*s24*z2*z4)/(s12^2*s34*z12*z34) + (2*s14*s24*z2*z4)/
    (s12*s123*s34*z12*z34) + (4*s14*s24*z2*z4)/(s12*s124*s34*z12*z34) + 
   (3*s13*s14*s24*z2*z4)/(s12^2*s123*s34*z12*z34) + 
   (5*s13*s14*s24*z2*z4)/(s12^2*s124*s34*z12*z34) + 
   (s14*s24*z2*z4)/(2*s12*s134*s34*z12*z34) + (4*s14^2*s24*z2*z4)/
    (s12^2*s124*s34*z12*z34) + (s23*s24*z2*z4)/(s12*s123*s34*z12*z34) - 
   (s23*s24*z2*z4)/(s12*s124*s34*z12*z34) + (3*s13*s23*s24*z2*z4)/
    (s12^2*s123*s34*z12*z34) + (s13*s23*s24*z2*z4)/(s12^2*s124*s34*z12*z34) + 
   (s14*s23*s24*z2*z4)/(s12^2*s123*s34*z12*z34) + 
   (3*s14*s23*s24*z2*z4)/(s12^2*s124*s34*z12*z34) + 
   (s14*s24*z2*z4)/(2*s12*s234*s34*z12*z34) + 
   (s24^2*z2*z4)/(2*s12*s123*s34*z12*z34) - 
   (s24^2*z2*z4)/(2*s12*s124*s34*z12*z34) + (s13*s24^2*z2*z4)/
    (s12^2*s123*s34*z12*z34) + (s13*s24^2*z2*z4)/(s12^2*s124*s34*z12*z34) + 
   (2*s14*s24^2*z2*z4)/(s12^2*s124*s34*z12*z34) - (3*z3*z4)/(s123*z12*z34) - 
   (z3*z4)/(s124*z12*z34) - (2*s13*z3*z4)/(s12*s123*z12*z34) - 
   (s14*z3*z4)/(s12*s123*z12*z34) - (s14*z3*z4)/(s12*s124*z12*z34) - 
   (2*s23*z3*z4)/(s12*s123*z12*z34) - (s24*z3*z4)/(s12*s123*z12*z34) - 
   (s24*z3*z4)/(s12*s124*z12*z34) - (2*s12*z3*z4)/(s34^2*z12*z34) - 
   (3*s13*z3*z4)/(s34^2*z12*z34) - (s13^2*z3*z4)/(s12*s34^2*z12*z34) + 
   (s12^2*z3*z4)/(s134*s34^2*z12*z34) + (3*s12*s13*z3*z4)/
    (2*s134*s34^2*z12*z34) + (s13^2*z3*z4)/(2*s134*s34^2*z12*z34) - 
   (3*s14*z3*z4)/(s34^2*z12*z34) - (2*s13*s14*z3*z4)/(s12*s34^2*z12*z34) + 
   (3*s12*s14*z3*z4)/(2*s134*s34^2*z12*z34) + 
   (s13*s14*z3*z4)/(s134*s34^2*z12*z34) - (s14^2*z3*z4)/(s12*s34^2*z12*z34) + 
   (s14^2*z3*z4)/(2*s134*s34^2*z12*z34) - (3*s23*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s23*z3*z4)/(s12*s34^2*z12*z34) + (3*s12*s23*z3*z4)/
    (2*s134*s34^2*z12*z34) + (s13*s23*z3*z4)/(s134*s34^2*z12*z34) - 
   (2*s14*s23*z3*z4)/(s12*s34^2*z12*z34) + (s14*s23*z3*z4)/
    (s134*s34^2*z12*z34) - (s23^2*z3*z4)/(s12*s34^2*z12*z34) + 
   (s23^2*z3*z4)/(2*s134*s34^2*z12*z34) + 
   (s12^2*z3*z4)/(s234*s34^2*z12*z34) + (3*s12*s13*z3*z4)/
    (2*s234*s34^2*z12*z34) + (s13^2*z3*z4)/(2*s234*s34^2*z12*z34) + 
   (3*s12*s14*z3*z4)/(2*s234*s34^2*z12*z34) + 
   (s13*s14*z3*z4)/(s234*s34^2*z12*z34) + 
   (s14^2*z3*z4)/(2*s234*s34^2*z12*z34) + (3*s12*s23*z3*z4)/
    (2*s234*s34^2*z12*z34) + (s13*s23*z3*z4)/(s234*s34^2*z12*z34) + 
   (s14*s23*z3*z4)/(s234*s34^2*z12*z34) + 
   (s23^2*z3*z4)/(2*s234*s34^2*z12*z34) - (3*s24*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s24*z3*z4)/(s12*s34^2*z12*z34) + (3*s12*s24*z3*z4)/
    (2*s134*s34^2*z12*z34) + (s13*s24*z3*z4)/(s134*s34^2*z12*z34) - 
   (2*s14*s24*z3*z4)/(s12*s34^2*z12*z34) + (s14*s24*z3*z4)/
    (s134*s34^2*z12*z34) - (2*s23*s24*z3*z4)/(s12*s34^2*z12*z34) + 
   (s23*s24*z3*z4)/(s134*s34^2*z12*z34) + (3*s12*s24*z3*z4)/
    (2*s234*s34^2*z12*z34) + (s13*s24*z3*z4)/(s234*s34^2*z12*z34) + 
   (s14*s24*z3*z4)/(s234*s34^2*z12*z34) + (s23*s24*z3*z4)/
    (s234*s34^2*z12*z34) - (s24^2*z3*z4)/(s12*s34^2*z12*z34) + 
   (s24^2*z3*z4)/(2*s134*s34^2*z12*z34) + 
   (s24^2*z3*z4)/(2*s234*s34^2*z12*z34) - (2*z3*z4)/(s34*z12*z34) - 
   (3*s12*z3*z4)/(s123*s34*z12*z34) - (s12*z3*z4)/(s124*s34*z12*z34) - 
   (s13*z3*z4)/(s12*s34*z12*z34) - (5*s13*z3*z4)/(s123*s34*z12*z34) - 
   (s13*z3*z4)/(s124*s34*z12*z34) - (2*s13^2*z3*z4)/(s12*s123*s34*z12*z34) + 
   (s12*z3*z4)/(s134*s34*z12*z34) + (s13*z3*z4)/(2*s134*s34*z12*z34) - 
   (s14*z3*z4)/(s12*s34*z12*z34) - (4*s14*z3*z4)/(s123*s34*z12*z34) - 
   (2*s14*z3*z4)/(s124*s34*z12*z34) - (3*s13*s14*z3*z4)/
    (s12*s123*s34*z12*z34) - (s13*s14*z3*z4)/(s12*s124*s34*z12*z34) + 
   (s14*z3*z4)/(2*s134*s34*z12*z34) - (s14^2*z3*z4)/(s12*s123*s34*z12*z34) - 
   (s14^2*z3*z4)/(s12*s124*s34*z12*z34) - (s23*z3*z4)/(s12*s34*z12*z34) - 
   (5*s23*z3*z4)/(s123*s34*z12*z34) - (s23*z3*z4)/(s124*s34*z12*z34) - 
   (4*s13*s23*z3*z4)/(s12*s123*s34*z12*z34) + 
   (s23*z3*z4)/(2*s134*s34*z12*z34) - (3*s14*s23*z3*z4)/
    (s12*s123*s34*z12*z34) - (s14*s23*z3*z4)/(s12*s124*s34*z12*z34) - 
   (2*s23^2*z3*z4)/(s12*s123*s34*z12*z34) + (s12*z3*z4)/(s234*s34*z12*z34) + 
   (s13*z3*z4)/(2*s234*s34*z12*z34) + (s14*z3*z4)/(2*s234*s34*z12*z34) + 
   (s23*z3*z4)/(2*s234*s34*z12*z34) - (s24*z3*z4)/(s12*s34*z12*z34) - 
   (4*s24*z3*z4)/(s123*s34*z12*z34) - (2*s24*z3*z4)/(s124*s34*z12*z34) - 
   (3*s13*s24*z3*z4)/(s12*s123*s34*z12*z34) - 
   (s13*s24*z3*z4)/(s12*s124*s34*z12*z34) + 
   (s24*z3*z4)/(2*s134*s34*z12*z34) - (2*s14*s24*z3*z4)/
    (s12*s123*s34*z12*z34) - (2*s14*s24*z3*z4)/(s12*s124*s34*z12*z34) - 
   (3*s23*s24*z3*z4)/(s12*s123*s34*z12*z34) - 
   (s23*s24*z3*z4)/(s12*s124*s34*z12*z34) + 
   (s24*z3*z4)/(2*s234*s34*z12*z34) - (s24^2*z3*z4)/(s12*s123*s34*z12*z34) - 
   (s24^2*z3*z4)/(s12*s124*s34*z12*z34) + (4*s12*z3*z4^2)/(s34^2*z12*z34^2) + 
   (6*s13*z3*z4^2)/(s34^2*z12*z34^2) + (2*s13^2*z3*z4^2)/
    (s12*s34^2*z12*z34^2) + (6*s14*z3*z4^2)/(s34^2*z12*z34^2) + 
   (4*s13*s14*z3*z4^2)/(s12*s34^2*z12*z34^2) + 
   (2*s14^2*z3*z4^2)/(s12*s34^2*z12*z34^2) + 
   (6*s23*z3*z4^2)/(s34^2*z12*z34^2) + (4*s13*s23*z3*z4^2)/
    (s12*s34^2*z12*z34^2) + (4*s14*s23*z3*z4^2)/(s12*s34^2*z12*z34^2) + 
   (2*s23^2*z3*z4^2)/(s12*s34^2*z12*z34^2) + 
   (6*s24*z3*z4^2)/(s34^2*z12*z34^2) + (4*s13*s24*z3*z4^2)/
    (s12*s34^2*z12*z34^2) + (4*s14*s24*z3*z4^2)/(s12*s34^2*z12*z34^2) + 
   (4*s23*s24*z3*z4^2)/(s12*s34^2*z12*z34^2) + 
   (2*s24^2*z3*z4^2)/(s12*s34^2*z12*z34^2) + (4*z3*z4^2)/(s34*z12*z34^2) + 
   (2*s13*z3*z4^2)/(s12*s34*z12*z34^2) + (2*s14*z3*z4^2)/
    (s12*s34*z12*z34^2) + (2*s23*z3*z4^2)/(s12*s34*z12*z34^2) + 
   (2*s24*z3*z4^2)/(s12*s34*z12*z34^2) - z4^2/(s123*z12*z34) - 
   (3*z4^2)/(s124*z12*z34) - (s13*z4^2)/(s12*s123*z12*z34) - 
   (s13*z4^2)/(s12*s124*z12*z34) - (2*s14*z4^2)/(s12*s124*z12*z34) - 
   (s23*z4^2)/(s12*s123*z12*z34) - (s23*z4^2)/(s12*s124*z12*z34) - 
   (2*s24*z4^2)/(s12*s124*z12*z34) - (6*s12*z4^2)/(s34^2*z12*z34) - 
   (9*s13*z4^2)/(s34^2*z12*z34) - (3*s13^2*z4^2)/(s12*s34^2*z12*z34) - 
   (s12^2*z4^2)/(s134*s34^2*z12*z34) - (3*s12*s13*z4^2)/
    (2*s134*s34^2*z12*z34) - (s13^2*z4^2)/(2*s134*s34^2*z12*z34) - 
   (10*s14*z4^2)/(s34^2*z12*z34) - (7*s13*s14*z4^2)/(s12*s34^2*z12*z34) - 
   (3*s12*s14*z4^2)/(2*s134*s34^2*z12*z34) - 
   (s13*s14*z4^2)/(s134*s34^2*z12*z34) - (4*s14^2*z4^2)/(s12*s34^2*z12*z34) - 
   (s14^2*z4^2)/(2*s134*s34^2*z12*z34) - (9*s23*z4^2)/(s34^2*z12*z34) - 
   (6*s13*s23*z4^2)/(s12*s34^2*z12*z34) - (3*s12*s23*z4^2)/
    (2*s134*s34^2*z12*z34) - (s13*s23*z4^2)/(s134*s34^2*z12*z34) - 
   (7*s14*s23*z4^2)/(s12*s34^2*z12*z34) - (s14*s23*z4^2)/
    (s134*s34^2*z12*z34) - (3*s23^2*z4^2)/(s12*s34^2*z12*z34) - 
   (s23^2*z4^2)/(2*s134*s34^2*z12*z34) - (s12^2*z4^2)/(s234*s34^2*z12*z34) - 
   (3*s12*s13*z4^2)/(2*s234*s34^2*z12*z34) - 
   (s13^2*z4^2)/(2*s234*s34^2*z12*z34) - (3*s12*s14*z4^2)/
    (2*s234*s34^2*z12*z34) - (s13*s14*z4^2)/(s234*s34^2*z12*z34) - 
   (s14^2*z4^2)/(2*s234*s34^2*z12*z34) - (3*s12*s23*z4^2)/
    (2*s234*s34^2*z12*z34) - (s13*s23*z4^2)/(s234*s34^2*z12*z34) - 
   (s14*s23*z4^2)/(s234*s34^2*z12*z34) - 
   (s23^2*z4^2)/(2*s234*s34^2*z12*z34) - (10*s24*z4^2)/(s34^2*z12*z34) - 
   (7*s13*s24*z4^2)/(s12*s34^2*z12*z34) - (3*s12*s24*z4^2)/
    (2*s134*s34^2*z12*z34) - (s13*s24*z4^2)/(s134*s34^2*z12*z34) - 
   (8*s14*s24*z4^2)/(s12*s34^2*z12*z34) - (s14*s24*z4^2)/
    (s134*s34^2*z12*z34) - (7*s23*s24*z4^2)/(s12*s34^2*z12*z34) - 
   (s23*s24*z4^2)/(s134*s34^2*z12*z34) - (3*s12*s24*z4^2)/
    (2*s234*s34^2*z12*z34) - (s13*s24*z4^2)/(s234*s34^2*z12*z34) - 
   (s14*s24*z4^2)/(s234*s34^2*z12*z34) - (s23*s24*z4^2)/
    (s234*s34^2*z12*z34) - (4*s24^2*z4^2)/(s12*s34^2*z12*z34) - 
   (s24^2*z4^2)/(2*s134*s34^2*z12*z34) - 
   (s24^2*z4^2)/(2*s234*s34^2*z12*z34) - (6*z4^2)/(s34*z12*z34) - 
   (s12*z4^2)/(s123*s34*z12*z34) - (3*s12*z4^2)/(s124*s34*z12*z34) - 
   (3*s13*z4^2)/(s12*s34*z12*z34) - (2*s13*z4^2)/(s123*s34*z12*z34) - 
   (4*s13*z4^2)/(s124*s34*z12*z34) - (s13^2*z4^2)/(s12*s123*s34*z12*z34) - 
   (s13^2*z4^2)/(s12*s124*s34*z12*z34) - (s12*z4^2)/(s134*s34*z12*z34) - 
   (s13*z4^2)/(2*s134*s34*z12*z34) - (4*s14*z4^2)/(s12*s34*z12*z34) - 
   (s14*z4^2)/(s123*s34*z12*z34) - (5*s14*z4^2)/(s124*s34*z12*z34) - 
   (s13*s14*z4^2)/(s12*s123*s34*z12*z34) - (3*s13*s14*z4^2)/
    (s12*s124*s34*z12*z34) - (s14*z4^2)/(2*s134*s34*z12*z34) - 
   (2*s14^2*z4^2)/(s12*s124*s34*z12*z34) - (3*s23*z4^2)/(s12*s34*z12*z34) - 
   (2*s23*z4^2)/(s123*s34*z12*z34) - (4*s23*z4^2)/(s124*s34*z12*z34) - 
   (2*s13*s23*z4^2)/(s12*s123*s34*z12*z34) - (2*s13*s23*z4^2)/
    (s12*s124*s34*z12*z34) - (s23*z4^2)/(2*s134*s34*z12*z34) - 
   (s14*s23*z4^2)/(s12*s123*s34*z12*z34) - (3*s14*s23*z4^2)/
    (s12*s124*s34*z12*z34) - (s23^2*z4^2)/(s12*s123*s34*z12*z34) - 
   (s23^2*z4^2)/(s12*s124*s34*z12*z34) - (s12*z4^2)/(s234*s34*z12*z34) - 
   (s13*z4^2)/(2*s234*s34*z12*z34) - (s14*z4^2)/(2*s234*s34*z12*z34) - 
   (s23*z4^2)/(2*s234*s34*z12*z34) - (4*s24*z4^2)/(s12*s34*z12*z34) - 
   (s24*z4^2)/(s123*s34*z12*z34) - (5*s24*z4^2)/(s124*s34*z12*z34) - 
   (s13*s24*z4^2)/(s12*s123*s34*z12*z34) - (3*s13*s24*z4^2)/
    (s12*s124*s34*z12*z34) - (s24*z4^2)/(2*s134*s34*z12*z34) - 
   (4*s14*s24*z4^2)/(s12*s124*s34*z12*z34) - 
   (s23*s24*z4^2)/(s12*s123*s34*z12*z34) - (3*s23*s24*z4^2)/
    (s12*s124*s34*z12*z34) - (s24*z4^2)/(2*s234*s34*z12*z34) - 
   (2*s24^2*z4^2)/(s12*s124*s34*z12*z34)) + 
 k3k4*(-6/s12 + D/(2*s12) - 2/s123 - 2/s124 - (4*s12)/(s123*s124) + 
   (D*s12)/(s123*s124) + s13/(2*s12*s123) - (D*s13)/(4*s12*s123) - 
   (3*s13)/(s12*s124) + (D*s13)/(4*s12*s124) - (4*s13)/(s123*s124) + 
   (D*s13)/(s123*s124) - 4/s134 + D/(2*s134) - (2*s12)/(s123*s134) + 
   s12/(s124*s134) + (2*s13)/(s123*s134) - (D*s13)/(2*s123*s134) + 
   (2*s13)/(s124*s134) - (D*s13)/(4*s124*s134) - (3*s14)/(s12*s123) + 
   (D*s14)/(4*s12*s123) + s14/(2*s12*s124) - (D*s14)/(4*s12*s124) - 
   (4*s14)/(s123*s124) + (D*s14)/(s123*s124) - (4*s14)/(s123*s134) + 
   (D*s14)/(2*s123*s134) - s14/(s124*s134) + (D*s14)/(4*s124*s134) + 
   s23/(2*s12*s123) - (D*s23)/(4*s12*s123) - (3*s23)/(s12*s124) + 
   (D*s23)/(4*s12*s124) - (4*s23)/(s123*s124) + (D*s23)/(s123*s124) + 
   (3*s13*s23)/(s12^2*s123) - (D*s23)/(2*s123*s134) + (2*s23)/(s124*s134) - 
   (D*s23)/(4*s124*s134) + (2*s13*s23)/(s12*s123*s134) + 
   (3*s14*s23)/(2*s12^2*s123) + (3*s14*s23)/(2*s12^2*s124) + 
   (2*s14*s23)/(s12*s123*s124) + (2*s13*s14*s23)/(s12^2*s123*s124) - 
   (s14*s23)/(s12*s124*s134) + (2*s14^2*s23)/(s12^2*s123*s124) + 
   (2*s14*s23^2)/(s12^2*s123*s124) - 4/s234 + D/(2*s234) + s12/(s123*s234) - 
   (2*s12)/(s124*s234) + (D*s13)/(4*s123*s234) - (4*s13)/(s124*s234) + 
   (D*s13)/(2*s124*s234) - (6*s12)/(s134*s234) + (D*s12)/(s134*s234) + 
   (2*s14)/(s123*s234) - (D*s14)/(4*s123*s234) - (D*s14)/(2*s124*s234) - 
   s23/(s123*s234) + (D*s23)/(4*s123*s234) - (4*s23)/(s124*s234) + 
   (D*s23)/(2*s124*s234) - (s13*s23)/(s12*s123*s234) - 
   (s14*s23)/(s12*s123*s234) - (3*s24)/(s12*s123) + (D*s24)/(4*s12*s123) + 
   s24/(2*s12*s124) - (D*s24)/(4*s12*s124) - (4*s24)/(s123*s124) + 
   (D*s24)/(s123*s124) + (3*s13*s24)/(2*s12^2*s123) + 
   (3*s13*s24)/(2*s12^2*s124) + (2*s13*s24)/(s12*s123*s124) + 
   (2*s13^2*s24)/(s12^2*s123*s124) - (4*s24)/(s123*s134) + 
   (D*s24)/(2*s123*s134) + (D*s24)/(4*s124*s134) + 
   (2*s13*s24)/(s12*s123*s134) + (3*s14*s24)/(s12^2*s124) + 
   (2*s13*s14*s24)/(s12^2*s123*s124) - (s14*s24)/(s12*s124*s134) + 
   (2*s13*s23*s24)/(s12^2*s123*s124) + (2*s14*s23*s24)/(s12^2*s123*s124) + 
   (2*s24)/(s123*s234) - (D*s24)/(4*s123*s234) + (2*s24)/(s124*s234) - 
   (D*s24)/(2*s124*s234) + (2*s13*s24)/(s12*s124*s234) + 
   (2*s14*s24)/(s12*s124*s234) + (2*s13*s24^2)/(s12^2*s123*s124) + 
   s13/s34^2 + s13^2/(s12*s34^2) + (s12*s13)/(2*s134*s34^2) + 
   s13^2/(2*s134*s34^2) + s14/s34^2 + (2*s13*s14)/(s12*s34^2) + 
   (s12*s14)/(2*s134*s34^2) + (s13*s14)/(s134*s34^2) + s14^2/(s12*s34^2) + 
   s14^2/(2*s134*s34^2) + s23/s34^2 + (4*s13*s23)/(s12*s34^2) + 
   (2*s13^2*s23)/(s12^2*s34^2) + (s13*s23)/(s134*s34^2) + 
   (s13^2*s23)/(2*s12*s134*s34^2) + (5*s14*s23)/(s12*s34^2) + 
   (5*s13*s14*s23)/(s12^2*s34^2) + (2*s14*s23)/(s134*s34^2) + 
   (2*s13*s14*s23)/(s12*s134*s34^2) + (3*s14^2*s23)/(s12^2*s34^2) + 
   (3*s14^2*s23)/(2*s12*s134*s34^2) + s23^2/(s12*s34^2) + 
   (2*s13*s23^2)/(s12^2*s34^2) + (s13*s23^2)/(2*s12*s134*s34^2) + 
   (3*s14*s23^2)/(s12^2*s34^2) + (3*s14*s23^2)/(2*s12*s134*s34^2) + 
   (s12*s23)/(2*s234*s34^2) + (s13*s23)/(s234*s34^2) + 
   (s13^2*s23)/(2*s12*s234*s34^2) + (2*s14*s23)/(s234*s34^2) + 
   (2*s13*s14*s23)/(s12*s234*s34^2) + (2*s12*s14*s23)/(s134*s234*s34^2) + 
   (2*s13*s14*s23)/(s134*s234*s34^2) + (3*s14^2*s23)/(2*s12*s234*s34^2) + 
   (2*s14^2*s23)/(s134*s234*s34^2) + s23^2/(2*s234*s34^2) + 
   (s13*s23^2)/(2*s12*s234*s34^2) + (3*s14*s23^2)/(2*s12*s234*s34^2) + 
   (2*s14*s23^2)/(s134*s234*s34^2) + s24/s34^2 + (5*s13*s24)/(s12*s34^2) + 
   (3*s13^2*s24)/(s12^2*s34^2) + (2*s13*s24)/(s134*s34^2) + 
   (3*s13^2*s24)/(2*s12*s134*s34^2) + (4*s14*s24)/(s12*s34^2) + 
   (5*s13*s14*s24)/(s12^2*s34^2) + (s14*s24)/(s134*s34^2) + 
   (2*s13*s14*s24)/(s12*s134*s34^2) + (2*s14^2*s24)/(s12^2*s34^2) + 
   (s14^2*s24)/(2*s12*s134*s34^2) + (2*s23*s24)/(s12*s34^2) + 
   (5*s13*s23*s24)/(s12^2*s34^2) + (2*s13*s23*s24)/(s12*s134*s34^2) + 
   (5*s14*s23*s24)/(s12^2*s34^2) + (2*s14*s23*s24)/(s12*s134*s34^2) + 
   (s12*s24)/(2*s234*s34^2) + (2*s13*s24)/(s234*s34^2) + 
   (3*s13^2*s24)/(2*s12*s234*s34^2) + (2*s12*s13*s24)/(s134*s234*s34^2) + 
   (2*s13^2*s24)/(s134*s234*s34^2) + (s14*s24)/(s234*s34^2) + 
   (2*s13*s14*s24)/(s12*s234*s34^2) + (2*s13*s14*s24)/(s134*s234*s34^2) + 
   (s14^2*s24)/(2*s12*s234*s34^2) + (s23*s24)/(s234*s34^2) + 
   (2*s13*s23*s24)/(s12*s234*s34^2) + (2*s13*s23*s24)/(s134*s234*s34^2) + 
   (2*s14*s23*s24)/(s12*s234*s34^2) + (2*s14*s23*s24)/(s134*s234*s34^2) + 
   s24^2/(s12*s34^2) + (3*s13*s24^2)/(s12^2*s34^2) + 
   (3*s13*s24^2)/(2*s12*s134*s34^2) + (2*s14*s24^2)/(s12^2*s34^2) + 
   (s14*s24^2)/(2*s12*s134*s34^2) + s24^2/(2*s234*s34^2) + 
   (3*s13*s24^2)/(2*s12*s234*s34^2) + (2*s13*s24^2)/(s134*s234*s34^2) + 
   (s14*s24^2)/(2*s12*s234*s34^2) - 6/s34 + D/(2*s34) - (5*s13)/(s12*s34) + 
   (D*s13)/(2*s12*s34) + (5*s13)/(2*s123*s34) - (D*s13)/(4*s123*s34) - 
   s13/(s124*s34) + (D*s13)/(4*s124*s34) + (5*s13^2)/(2*s12*s123*s34) - 
   (D*s13^2)/(4*s12*s123*s34) - s13^2/(s12*s124*s34) + 
   (D*s13^2)/(4*s12*s124*s34) - (4*s12)/(s134*s34) + (D*s12)/(2*s134*s34) - 
   (7*s13)/(2*s134*s34) + (D*s13)/(2*s134*s34) + 
   (4*s12*s13)/(s123*s134*s34) - (D*s12*s13)/(2*s123*s134*s34) + 
   (s12*s13)/(s124*s134*s34) - (D*s12*s13)/(4*s124*s134*s34) + 
   (4*s13^2)/(s123*s134*s34) - (D*s13^2)/(2*s123*s134*s34) + 
   s13^2/(s124*s134*s34) - (D*s13^2)/(4*s124*s134*s34) - (5*s14)/(s12*s34) + 
   (D*s14)/(2*s12*s34) - s14/(s123*s34) + (D*s14)/(4*s123*s34) + 
   (5*s14)/(2*s124*s34) - (D*s14)/(4*s124*s34) + 
   (3*s13*s14)/(2*s12*s123*s34) + (3*s13*s14)/(2*s12*s124*s34) - 
   (7*s14)/(2*s134*s34) + (D*s14)/(2*s134*s34) - 
   (2*s12*s14)/(s123*s134*s34) + (D*s12*s14)/(2*s123*s134*s34) - 
   (2*s12*s14)/(s124*s134*s34) + (D*s12*s14)/(4*s124*s134*s34) + 
   (2*s13*s14)/(s123*s134*s34) - (s13*s14)/(s124*s134*s34) - 
   s14^2/(s12*s123*s34) + (D*s14^2)/(4*s12*s123*s34) + 
   (5*s14^2)/(2*s12*s124*s34) - (D*s14^2)/(4*s12*s124*s34) - 
   (2*s14^2)/(s123*s134*s34) + (D*s14^2)/(2*s123*s134*s34) - 
   (2*s14^2)/(s124*s134*s34) + (D*s14^2)/(4*s124*s134*s34) - 
   (5*s23)/(s12*s34) + (D*s23)/(2*s12*s34) + (5*s23)/(2*s123*s34) - 
   (D*s23)/(4*s123*s34) - s23/(s124*s34) + (D*s23)/(4*s124*s34) + 
   (2*s13*s23)/(s12^2*s34) + (8*s13*s23)/(s12*s123*s34) - 
   (D*s13*s23)/(2*s12*s123*s34) - (2*s13*s23)/(s12*s124*s34) + 
   (D*s13*s23)/(2*s12*s124*s34) + (3*s13^2*s23)/(s12^2*s123*s34) - 
   (4*s23)/(s134*s34) + (D*s23)/(2*s134*s34) + (2*s12*s23)/(s123*s134*s34) - 
   (D*s12*s23)/(2*s123*s134*s34) + (s12*s23)/(s124*s134*s34) - 
   (D*s12*s23)/(4*s124*s134*s34) + (s13*s23)/(2*s12*s134*s34) + 
   (8*s13*s23)/(s123*s134*s34) - (D*s13*s23)/(s123*s134*s34) + 
   (2*s13*s23)/(s124*s134*s34) - (D*s13*s23)/(2*s124*s134*s34) + 
   (2*s13^2*s23)/(s12*s123*s134*s34) + (3*s14*s23)/(s12^2*s34) + 
   (3*s14*s23)/(s12*s123*s34) + (3*s14*s23)/(s12*s124*s34) + 
   (9*s13*s14*s23)/(2*s12^2*s123*s34) + (3*s13*s14*s23)/(2*s12^2*s124*s34) + 
   (3*s14*s23)/(2*s12*s134*s34) - (2*s14*s23)/(s124*s134*s34) + 
   (2*s13*s14*s23)/(s12*s123*s134*s34) - (s13*s14*s23)/(s12*s124*s134*s34) + 
   (3*s14^2*s23)/(2*s12^2*s123*s34) + (3*s14^2*s23)/(2*s12^2*s124*s34) - 
   (s14^2*s23)/(s12*s124*s134*s34) + (5*s23^2)/(2*s12*s123*s34) - 
   (D*s23^2)/(4*s12*s123*s34) - s23^2/(s12*s124*s34) + 
   (D*s23^2)/(4*s12*s124*s34) + (3*s13*s23^2)/(s12^2*s123*s34) + 
   (2*s23^2)/(s123*s134*s34) - (D*s23^2)/(2*s123*s134*s34) + 
   s23^2/(s124*s134*s34) - (D*s23^2)/(4*s124*s134*s34) + 
   (2*s13*s23^2)/(s12*s123*s134*s34) + (3*s14*s23^2)/(2*s12^2*s123*s34) + 
   (3*s14*s23^2)/(2*s12^2*s124*s34) - (s14*s23^2)/(s12*s124*s134*s34) - 
   (4*s12)/(s234*s34) + (D*s12)/(2*s234*s34) - (4*s13)/(s234*s34) + 
   (D*s13)/(2*s234*s34) - (s12*s13)/(s123*s234*s34) + 
   (D*s12*s13)/(4*s123*s234*s34) - (2*s12*s13)/(s124*s234*s34) + 
   (D*s12*s13)/(2*s124*s234*s34) - s13^2/(s123*s234*s34) + 
   (D*s13^2)/(4*s123*s234*s34) - (2*s13^2)/(s124*s234*s34) + 
   (D*s13^2)/(2*s124*s234*s34) - (6*s12^2)/(s134*s234*s34) + 
   (D*s12^2)/(s134*s234*s34) - (6*s12*s13)/(s134*s234*s34) + 
   (D*s12*s13)/(s134*s234*s34) - (4*s14)/(s234*s34) + (D*s14)/(2*s234*s34) + 
   (s12*s14)/(s123*s234*s34) - (D*s12*s14)/(4*s123*s234*s34) + 
   (2*s12*s14)/(s124*s234*s34) - (D*s12*s14)/(2*s124*s234*s34) - 
   (6*s12*s14)/(s134*s234*s34) + (D*s12*s14)/(s134*s234*s34) + 
   s14^2/(s123*s234*s34) - (D*s14^2)/(4*s123*s234*s34) + 
   (2*s14^2)/(s124*s234*s34) - (D*s14^2)/(2*s124*s234*s34) - 
   (7*s23)/(2*s234*s34) + (D*s23)/(2*s234*s34) - 
   (2*s12*s23)/(s123*s234*s34) + (D*s12*s23)/(4*s123*s234*s34) - 
   (2*s12*s23)/(s124*s234*s34) + (D*s12*s23)/(2*s124*s234*s34) + 
   (s13*s23)/(2*s12*s234*s34) - (4*s13*s23)/(s123*s234*s34) + 
   (D*s13*s23)/(2*s123*s234*s34) - (4*s13*s23)/(s124*s234*s34) + 
   (D*s13*s23)/(s124*s234*s34) - (s13^2*s23)/(s12*s123*s234*s34) - 
   (6*s12*s23)/(s134*s234*s34) + (D*s12*s23)/(s134*s234*s34) + 
   (3*s14*s23)/(2*s12*s234*s34) - (2*s14*s23)/(s123*s234*s34) - 
   (2*s13*s14*s23)/(s12*s123*s234*s34) + (2*s14*s23)/(s134*s234*s34) - 
   (s14^2*s23)/(s12*s123*s234*s34) - (2*s23^2)/(s123*s234*s34) + 
   (D*s23^2)/(4*s123*s234*s34) - (2*s23^2)/(s124*s234*s34) + 
   (D*s23^2)/(2*s124*s234*s34) - (s13*s23^2)/(s12*s123*s234*s34) - 
   (s14*s23^2)/(s12*s123*s234*s34) - (5*s24)/(s12*s34) + 
   (D*s24)/(2*s12*s34) - s24/(s123*s34) + (D*s24)/(4*s123*s34) + 
   (5*s24)/(2*s124*s34) - (D*s24)/(4*s124*s34) + (3*s13*s24)/(s12^2*s34) + 
   (3*s13*s24)/(s12*s123*s34) + (3*s13*s24)/(s12*s124*s34) + 
   (3*s13^2*s24)/(2*s12^2*s123*s34) + (3*s13^2*s24)/(2*s12^2*s124*s34) - 
   (4*s24)/(s134*s34) + (D*s24)/(2*s134*s34) - (2*s12*s24)/(s123*s134*s34) + 
   (D*s12*s24)/(2*s123*s134*s34) - (s12*s24)/(s124*s134*s34) + 
   (D*s12*s24)/(4*s124*s134*s34) + (3*s13*s24)/(2*s12*s134*s34) + 
   (4*s13*s24)/(s123*s134*s34) + (2*s13^2*s24)/(s12*s123*s134*s34) + 
   (2*s14*s24)/(s12^2*s34) - (2*s14*s24)/(s12*s123*s34) + 
   (D*s14*s24)/(2*s12*s123*s34) + (8*s14*s24)/(s12*s124*s34) - 
   (D*s14*s24)/(2*s12*s124*s34) + (3*s13*s14*s24)/(2*s12^2*s123*s34) + 
   (9*s13*s14*s24)/(2*s12^2*s124*s34) + (s14*s24)/(2*s12*s134*s34) - 
   (4*s14*s24)/(s123*s134*s34) + (D*s14*s24)/(s123*s134*s34) - 
   (4*s14*s24)/(s124*s134*s34) + (D*s14*s24)/(2*s124*s134*s34) + 
   (2*s13*s14*s24)/(s12*s123*s134*s34) - (s13*s14*s24)/(s12*s124*s134*s34) + 
   (3*s14^2*s24)/(s12^2*s124*s34) - (s14^2*s24)/(s12*s124*s134*s34) + 
   (3*s23*s24)/(2*s12*s123*s34) + (3*s23*s24)/(2*s12*s124*s34) + 
   (9*s13*s23*s24)/(2*s12^2*s123*s34) + (3*s13*s23*s24)/(2*s12^2*s124*s34) + 
   (4*s13*s23*s24)/(s12*s123*s134*s34) + (3*s14*s23*s24)/(2*s12^2*s123*s34) + 
   (9*s14*s23*s24)/(2*s12^2*s124*s34) - (2*s14*s23*s24)/(s12*s124*s134*s34) - 
   (7*s24)/(2*s234*s34) + (D*s24)/(2*s234*s34) + (s12*s24)/(s123*s234*s34) - 
   (D*s12*s24)/(4*s123*s234*s34) + (4*s12*s24)/(s124*s234*s34) - 
   (D*s12*s24)/(2*s124*s234*s34) + (3*s13*s24)/(2*s12*s234*s34) + 
   (4*s13*s24)/(s124*s234*s34) + (2*s13^2*s24)/(s12*s124*s234*s34) - 
   (6*s12*s24)/(s134*s234*s34) + (D*s12*s24)/(s134*s234*s34) + 
   (2*s13*s24)/(s134*s234*s34) + (s14*s24)/(2*s12*s234*s34) + 
   (2*s14*s24)/(s123*s234*s34) - (D*s14*s24)/(2*s123*s234*s34) + 
   (8*s14*s24)/(s124*s234*s34) - (D*s14*s24)/(s124*s234*s34) + 
   (4*s13*s14*s24)/(s12*s124*s234*s34) + (2*s14^2*s24)/(s12*s124*s234*s34) - 
   (s23*s24)/(s123*s234*s34) + (2*s23*s24)/(s124*s234*s34) - 
   (s13*s23*s24)/(s12*s123*s234*s34) + (2*s13*s23*s24)/(s12*s124*s234*s34) - 
   (s14*s23*s24)/(s12*s123*s234*s34) + (2*s14*s23*s24)/(s12*s124*s234*s34) - 
   s24^2/(s12*s123*s34) + (D*s24^2)/(4*s12*s123*s34) + 
   (5*s24^2)/(2*s12*s124*s34) - (D*s24^2)/(4*s12*s124*s34) + 
   (3*s13*s24^2)/(2*s12^2*s123*s34) + (3*s13*s24^2)/(2*s12^2*s124*s34) - 
   (2*s24^2)/(s123*s134*s34) + (D*s24^2)/(2*s123*s134*s34) - 
   s24^2/(s124*s134*s34) + (D*s24^2)/(4*s124*s134*s34) + 
   (2*s13*s24^2)/(s12*s123*s134*s34) + (3*s14*s24^2)/(s12^2*s124*s34) - 
   (s14*s24^2)/(s12*s124*s134*s34) + s24^2/(s123*s234*s34) - 
   (D*s24^2)/(4*s123*s234*s34) + (4*s24^2)/(s124*s234*s34) - 
   (D*s24^2)/(2*s124*s234*s34) + (2*s13*s24^2)/(s12*s124*s234*s34) + 
   (2*s14*s24^2)/(s12*s124*s234*s34) - (2*s34)/(s12*s123) - 
   (2*s34)/(s12*s124) - (6*s34)/(s123*s124) + (D*s34)/(s123*s124) - 
   (2*s13*s34)/(s12*s123*s124) - (2*s34)/(s123*s134) + s34/(s124*s134) - 
   (2*s14*s34)/(s12*s123*s124) - (2*s23*s34)/(s12*s123*s124) + 
   (2*s14*s23*s34)/(s12^2*s123*s124) + s34/(s123*s234) - 
   (2*s34)/(s124*s234) - (2*s24*s34)/(s12*s123*s124) + 
   (2*s13*s24*s34)/(s12^2*s123*s124) - (2*s34^2)/(s12*s123*s124) - 
   (3*s23*z1)/(s12*s123*z12) - (2*s23*z1)/(s12*s124*z12) - 
   (2*s23*z1)/(s123*s124*z12) - (3*s13*s23*z1)/(s12^2*s123*z12) - 
   (2*s13*s23*z1)/(s12*s123*s124*z12) - (s23*z1)/(s123*s134*z12) + 
   (s23*z1)/(2*s124*s134*z12) - (s13*s23*z1)/(s12*s123*s134*z12) - 
   (3*s14*s23*z1)/(2*s12^2*s123*z12) - (3*s14*s23*z1)/(2*s12^2*s124*z12) - 
   (4*s14*s23*z1)/(s12*s123*s124*z12) - (2*s13*s14*s23*z1)/
    (s12^2*s123*s124*z12) + (s14*s23*z1)/(2*s12*s124*s134*z12) - 
   (2*s14^2*s23*z1)/(s12^2*s123*s124*z12) - (3*s23^2*z1)/(s12^2*s123*z12) - 
   (2*s23^2*z1)/(s12*s123*s124*z12) - (s23^2*z1)/(s12*s123*s134*z12) - 
   (2*s14*s23^2*z1)/(s12^2*s123*s124*z12) + (s23*z1)/(2*s123*s234*z12) - 
   (s23*z1)/(s124*s234*z12) + (s13*s23*z1)/(2*s12*s123*s234*z12) - 
   (s14*s23*z1)/(s12*s124*s234*z12) + (s23^2*z1)/(2*s12*s123*s234*z12) - 
   (2*s24*z1)/(s12*s123*z12) - (3*s24*z1)/(s12*s124*z12) - 
   (2*s24*z1)/(s123*s124*z12) - (3*s13*s24*z1)/(2*s12^2*s123*z12) - 
   (3*s13*s24*z1)/(2*s12^2*s124*z12) - (4*s13*s24*z1)/(s12*s123*s124*z12) - 
   (2*s13^2*s24*z1)/(s12^2*s123*s124*z12) - (s24*z1)/(s123*s134*z12) + 
   (s24*z1)/(2*s124*s134*z12) - (s13*s24*z1)/(s12*s123*s134*z12) - 
   (3*s14*s24*z1)/(s12^2*s124*z12) - (2*s14*s24*z1)/(s12*s123*s124*z12) - 
   (2*s13*s14*s24*z1)/(s12^2*s123*s124*z12) + 
   (s14*s24*z1)/(2*s12*s124*s134*z12) - (3*s23*s24*z1)/(s12^2*s123*z12) - 
   (3*s23*s24*z1)/(s12^2*s124*z12) - (8*s23*s24*z1)/(s12*s123*s124*z12) - 
   (6*s13*s23*s24*z1)/(s12^2*s123*s124*z12) - 
   (s23*s24*z1)/(s12*s123*s134*z12) + (s23*s24*z1)/(2*s12*s124*s134*z12) - 
   (6*s14*s23*s24*z1)/(s12^2*s123*s124*z12) - 
   (4*s23^2*s24*z1)/(s12^2*s123*s124*z12) + (s24*z1)/(2*s123*s234*z12) - 
   (s24*z1)/(s124*s234*z12) + (s13*s24*z1)/(2*s12*s123*s234*z12) - 
   (s14*s24*z1)/(s12*s124*s234*z12) + (s23*s24*z1)/(2*s12*s123*s234*z12) - 
   (s23*s24*z1)/(s12*s124*s234*z12) - (3*s24^2*z1)/(s12^2*s124*z12) - 
   (2*s24^2*z1)/(s12*s123*s124*z12) - (2*s13*s24^2*z1)/
    (s12^2*s123*s124*z12) + (s24^2*z1)/(2*s12*s124*s134*z12) - 
   (4*s23*s24^2*z1)/(s12^2*s123*s124*z12) - (s24^2*z1)/(s12*s124*s234*z12) - 
   (3*s23*z1)/(s34^2*z12) - (5*s13*s23*z1)/(s12*s34^2*z12) - 
   (2*s13^2*s23*z1)/(s12^2*s34^2*z12) - (s12*s23*z1)/(2*s134*s34^2*z12) - 
   (3*s13*s23*z1)/(4*s134*s34^2*z12) - (s13^2*s23*z1)/
    (4*s12*s134*s34^2*z12) - (6*s14*s23*z1)/(s12*s34^2*z12) - 
   (5*s13*s14*s23*z1)/(s12^2*s34^2*z12) - (5*s14*s23*z1)/(4*s134*s34^2*z12) - 
   (s13*s14*s23*z1)/(s12*s134*s34^2*z12) - (3*s14^2*s23*z1)/
    (s12^2*s34^2*z12) - (3*s14^2*s23*z1)/(4*s12*s134*s34^2*z12) - 
   (5*s23^2*z1)/(s12*s34^2*z12) - (4*s13*s23^2*z1)/(s12^2*s34^2*z12) - 
   (3*s23^2*z1)/(4*s134*s34^2*z12) - (s13*s23^2*z1)/(2*s12*s134*s34^2*z12) - 
   (5*s14*s23^2*z1)/(s12^2*s34^2*z12) - (s14*s23^2*z1)/(s12*s134*s34^2*z12) - 
   (2*s23^3*z1)/(s12^2*s34^2*z12) - (s23^3*z1)/(4*s12*s134*s34^2*z12) - 
   (s12*s23*z1)/(2*s234*s34^2*z12) - (3*s13*s23*z1)/(4*s234*s34^2*z12) - 
   (s13^2*s23*z1)/(4*s12*s234*s34^2*z12) - 
   (5*s14*s23*z1)/(4*s234*s34^2*z12) - (s13*s14*s23*z1)/
    (s12*s234*s34^2*z12) - (3*s14^2*s23*z1)/(4*s12*s234*s34^2*z12) - 
   (3*s23^2*z1)/(4*s234*s34^2*z12) - (s13*s23^2*z1)/(2*s12*s234*s34^2*z12) - 
   (s14*s23^2*z1)/(s12*s234*s34^2*z12) - (s23^3*z1)/(4*s12*s234*s34^2*z12) - 
   (3*s24*z1)/(s34^2*z12) - (6*s13*s24*z1)/(s12*s34^2*z12) - 
   (3*s13^2*s24*z1)/(s12^2*s34^2*z12) - (s12*s24*z1)/(2*s134*s34^2*z12) - 
   (5*s13*s24*z1)/(4*s134*s34^2*z12) - (3*s13^2*s24*z1)/
    (4*s12*s134*s34^2*z12) - (5*s14*s24*z1)/(s12*s34^2*z12) - 
   (5*s13*s14*s24*z1)/(s12^2*s34^2*z12) - (3*s14*s24*z1)/(4*s134*s34^2*z12) - 
   (s13*s14*s24*z1)/(s12*s134*s34^2*z12) - (2*s14^2*s24*z1)/
    (s12^2*s34^2*z12) - (s14^2*s24*z1)/(4*s12*s134*s34^2*z12) - 
   (12*s23*s24*z1)/(s12*s34^2*z12) - (11*s13*s23*s24*z1)/(s12^2*s34^2*z12) - 
   (5*s23*s24*z1)/(2*s134*s34^2*z12) - (5*s13*s23*s24*z1)/
    (2*s12*s134*s34^2*z12) - (11*s14*s23*s24*z1)/(s12^2*s34^2*z12) - 
   (5*s14*s23*s24*z1)/(2*s12*s134*s34^2*z12) - 
   (8*s23^2*s24*z1)/(s12^2*s34^2*z12) - (7*s23^2*s24*z1)/
    (4*s12*s134*s34^2*z12) - (s12*s24*z1)/(2*s234*s34^2*z12) - 
   (5*s13*s24*z1)/(4*s234*s34^2*z12) - (3*s13^2*s24*z1)/
    (4*s12*s234*s34^2*z12) - (3*s14*s24*z1)/(4*s234*s34^2*z12) - 
   (s13*s14*s24*z1)/(s12*s234*s34^2*z12) - 
   (s14^2*s24*z1)/(4*s12*s234*s34^2*z12) - 
   (5*s23*s24*z1)/(2*s234*s34^2*z12) - (5*s13*s23*s24*z1)/
    (2*s12*s234*s34^2*z12) - (5*s14*s23*s24*z1)/(2*s12*s234*s34^2*z12) - 
   (7*s23^2*s24*z1)/(4*s12*s234*s34^2*z12) - (5*s24^2*z1)/(s12*s34^2*z12) - 
   (5*s13*s24^2*z1)/(s12^2*s34^2*z12) - (3*s24^2*z1)/(4*s134*s34^2*z12) - 
   (s13*s24^2*z1)/(s12*s134*s34^2*z12) - (4*s14*s24^2*z1)/(s12^2*s34^2*z12) - 
   (s14*s24^2*z1)/(2*s12*s134*s34^2*z12) - (8*s23*s24^2*z1)/
    (s12^2*s34^2*z12) - (7*s23*s24^2*z1)/(4*s12*s134*s34^2*z12) - 
   (3*s24^2*z1)/(4*s234*s34^2*z12) - (s13*s24^2*z1)/(s12*s234*s34^2*z12) - 
   (s14*s24^2*z1)/(2*s12*s234*s34^2*z12) - (7*s23*s24^2*z1)/
    (4*s12*s234*s34^2*z12) - (2*s24^3*z1)/(s12^2*s34^2*z12) - 
   (s24^3*z1)/(4*s12*s134*s34^2*z12) - (s24^3*z1)/(4*s12*s234*s34^2*z12) - 
   (3*s23*z1)/(s12*s34*z12) - (3*s23*z1)/(s123*s34*z12) - 
   (2*s23*z1)/(s124*s34*z12) - (2*s13*s23*z1)/(s12^2*s34*z12) - 
   (6*s13*s23*z1)/(s12*s123*s34*z12) - (2*s13*s23*z1)/(s12*s124*s34*z12) - 
   (3*s13^2*s23*z1)/(s12^2*s123*s34*z12) - (s23*z1)/(2*s134*s34*z12) - 
   (s12*s23*z1)/(s123*s134*s34*z12) + (s12*s23*z1)/(2*s124*s134*s34*z12) - 
   (s13*s23*z1)/(4*s12*s134*s34*z12) - (2*s13*s23*z1)/(s123*s134*s34*z12) + 
   (s13*s23*z1)/(2*s124*s134*s34*z12) - (s13^2*s23*z1)/
    (s12*s123*s134*s34*z12) - (3*s14*s23*z1)/(s12^2*s34*z12) - 
   (9*s14*s23*z1)/(2*s12*s123*s34*z12) - (7*s14*s23*z1)/
    (2*s12*s124*s34*z12) - (9*s13*s14*s23*z1)/(2*s12^2*s123*s34*z12) - 
   (3*s13*s14*s23*z1)/(2*s12^2*s124*s34*z12) - 
   (3*s14*s23*z1)/(4*s12*s134*s34*z12) - (s14*s23*z1)/(s123*s134*s34*z12) + 
   (s14*s23*z1)/(s124*s134*s34*z12) - (s13*s14*s23*z1)/
    (s12*s123*s134*s34*z12) + (s13*s14*s23*z1)/(2*s12*s124*s134*s34*z12) - 
   (3*s14^2*s23*z1)/(2*s12^2*s123*s34*z12) - (3*s14^2*s23*z1)/
    (2*s12^2*s124*s34*z12) + (s14^2*s23*z1)/(2*s12*s124*s134*s34*z12) - 
   (2*s23^2*z1)/(s12^2*s34*z12) - (6*s23^2*z1)/(s12*s123*s34*z12) - 
   (2*s23^2*z1)/(s12*s124*s34*z12) - (6*s13*s23^2*z1)/(s12^2*s123*s34*z12) - 
   (s23^2*z1)/(4*s12*s134*s34*z12) - (2*s23^2*z1)/(s123*s134*s34*z12) + 
   (s23^2*z1)/(2*s124*s134*s34*z12) - (2*s13*s23^2*z1)/
    (s12*s123*s134*s34*z12) - (9*s14*s23^2*z1)/(2*s12^2*s123*s34*z12) - 
   (3*s14*s23^2*z1)/(2*s12^2*s124*s34*z12) - 
   (s14*s23^2*z1)/(s12*s123*s134*s34*z12) + 
   (s14*s23^2*z1)/(2*s12*s124*s134*s34*z12) - 
   (3*s23^3*z1)/(s12^2*s123*s34*z12) - (s23^3*z1)/(s12*s123*s134*s34*z12) - 
   (s23*z1)/(2*s234*s34*z12) + (s12*s23*z1)/(2*s123*s234*s34*z12) - 
   (s12*s23*z1)/(s124*s234*s34*z12) - (s13*s23*z1)/(4*s12*s234*s34*z12) + 
   (s13*s23*z1)/(s123*s234*s34*z12) - (s13*s23*z1)/(s124*s234*s34*z12) + 
   (s13^2*s23*z1)/(2*s12*s123*s234*s34*z12) - 
   (3*s14*s23*z1)/(4*s12*s234*s34*z12) + (s14*s23*z1)/(2*s123*s234*s34*z12) - 
   (2*s14*s23*z1)/(s124*s234*s34*z12) + (s13*s14*s23*z1)/
    (2*s12*s123*s234*s34*z12) - (s13*s14*s23*z1)/(s12*s124*s234*s34*z12) - 
   (s14^2*s23*z1)/(s12*s124*s234*s34*z12) - (s23^2*z1)/(4*s12*s234*s34*z12) + 
   (s23^2*z1)/(s123*s234*s34*z12) - (s23^2*z1)/(s124*s234*s34*z12) + 
   (s13*s23^2*z1)/(s12*s123*s234*s34*z12) + 
   (s14*s23^2*z1)/(2*s12*s123*s234*s34*z12) - 
   (s14*s23^2*z1)/(s12*s124*s234*s34*z12) + 
   (s23^3*z1)/(2*s12*s123*s234*s34*z12) - (3*s24*z1)/(s12*s34*z12) - 
   (2*s24*z1)/(s123*s34*z12) - (3*s24*z1)/(s124*s34*z12) - 
   (3*s13*s24*z1)/(s12^2*s34*z12) - (7*s13*s24*z1)/(2*s12*s123*s34*z12) - 
   (9*s13*s24*z1)/(2*s12*s124*s34*z12) - (3*s13^2*s24*z1)/
    (2*s12^2*s123*s34*z12) - (3*s13^2*s24*z1)/(2*s12^2*s124*s34*z12) - 
   (s24*z1)/(2*s134*s34*z12) - (s12*s24*z1)/(s123*s134*s34*z12) + 
   (s12*s24*z1)/(2*s124*s134*s34*z12) - (3*s13*s24*z1)/(4*s12*s134*s34*z12) - 
   (2*s13*s24*z1)/(s123*s134*s34*z12) + (s13*s24*z1)/(2*s124*s134*s34*z12) - 
   (s13^2*s24*z1)/(s12*s123*s134*s34*z12) - (2*s14*s24*z1)/(s12^2*s34*z12) - 
   (2*s14*s24*z1)/(s12*s123*s34*z12) - (6*s14*s24*z1)/(s12*s124*s34*z12) - 
   (3*s13*s14*s24*z1)/(2*s12^2*s123*s34*z12) - 
   (9*s13*s14*s24*z1)/(2*s12^2*s124*s34*z12) - 
   (s14*s24*z1)/(4*s12*s134*s34*z12) - (s14*s24*z1)/(s123*s134*s34*z12) + 
   (s14*s24*z1)/(s124*s134*s34*z12) - (s13*s14*s24*z1)/
    (s12*s123*s134*s34*z12) + (s13*s14*s24*z1)/(2*s12*s124*s134*s34*z12) - 
   (3*s14^2*s24*z1)/(s12^2*s124*s34*z12) + 
   (s14^2*s24*z1)/(2*s12*s124*s134*s34*z12) - 
   (6*s23*s24*z1)/(s12^2*s34*z12) - (8*s23*s24*z1)/(s12*s123*s34*z12) - 
   (8*s23*s24*z1)/(s12*s124*s34*z12) - (15*s13*s23*s24*z1)/
    (2*s12^2*s123*s34*z12) - (9*s13*s23*s24*z1)/(2*s12^2*s124*s34*z12) - 
   (3*s23*s24*z1)/(2*s12*s134*s34*z12) - (3*s23*s24*z1)/(s123*s134*s34*z12) + 
   (3*s23*s24*z1)/(2*s124*s134*s34*z12) - (3*s13*s23*s24*z1)/
    (s12*s123*s134*s34*z12) + (s13*s23*s24*z1)/(2*s12*s124*s134*s34*z12) - 
   (9*s14*s23*s24*z1)/(2*s12^2*s123*s34*z12) - (15*s14*s23*s24*z1)/
    (2*s12^2*s124*s34*z12) - (s14*s23*s24*z1)/(s12*s123*s134*s34*z12) + 
   (3*s14*s23*s24*z1)/(2*s12*s124*s134*s34*z12) - 
   (6*s23^2*s24*z1)/(s12^2*s123*s34*z12) - (3*s23^2*s24*z1)/
    (s12^2*s124*s34*z12) - (2*s23^2*s24*z1)/(s12*s123*s134*s34*z12) + 
   (s23^2*s24*z1)/(2*s12*s124*s134*s34*z12) - (s24*z1)/(2*s234*s34*z12) + 
   (s12*s24*z1)/(2*s123*s234*s34*z12) - (s12*s24*z1)/(s124*s234*s34*z12) - 
   (3*s13*s24*z1)/(4*s12*s234*s34*z12) + (s13*s24*z1)/(s123*s234*s34*z12) - 
   (s13*s24*z1)/(s124*s234*s34*z12) + (s13^2*s24*z1)/
    (2*s12*s123*s234*s34*z12) - (s14*s24*z1)/(4*s12*s234*s34*z12) + 
   (s14*s24*z1)/(2*s123*s234*s34*z12) - (2*s14*s24*z1)/(s124*s234*s34*z12) + 
   (s13*s14*s24*z1)/(2*s12*s123*s234*s34*z12) - 
   (s13*s14*s24*z1)/(s12*s124*s234*s34*z12) - 
   (s14^2*s24*z1)/(s12*s124*s234*s34*z12) - 
   (3*s23*s24*z1)/(2*s12*s234*s34*z12) + (3*s23*s24*z1)/
    (2*s123*s234*s34*z12) - (3*s23*s24*z1)/(s124*s234*s34*z12) + 
   (3*s13*s23*s24*z1)/(2*s12*s123*s234*s34*z12) - 
   (s13*s23*s24*z1)/(s12*s124*s234*s34*z12) + 
   (s14*s23*s24*z1)/(2*s12*s123*s234*s34*z12) - 
   (3*s14*s23*s24*z1)/(s12*s124*s234*s34*z12) + 
   (s23^2*s24*z1)/(s12*s123*s234*s34*z12) - 
   (s23^2*s24*z1)/(s12*s124*s234*s34*z12) - (2*s24^2*z1)/(s12^2*s34*z12) - 
   (2*s24^2*z1)/(s12*s123*s34*z12) - (6*s24^2*z1)/(s12*s124*s34*z12) - 
   (3*s13*s24^2*z1)/(2*s12^2*s123*s34*z12) - (9*s13*s24^2*z1)/
    (2*s12^2*s124*s34*z12) - (s24^2*z1)/(4*s12*s134*s34*z12) - 
   (s24^2*z1)/(s123*s134*s34*z12) + (s24^2*z1)/(s124*s134*s34*z12) - 
   (s13*s24^2*z1)/(s12*s123*s134*s34*z12) + 
   (s13*s24^2*z1)/(2*s12*s124*s134*s34*z12) - 
   (6*s14*s24^2*z1)/(s12^2*s124*s34*z12) + 
   (s14*s24^2*z1)/(s12*s124*s134*s34*z12) - (3*s23*s24^2*z1)/
    (s12^2*s123*s34*z12) - (6*s23*s24^2*z1)/(s12^2*s124*s34*z12) - 
   (s23*s24^2*z1)/(s12*s123*s134*s34*z12) + 
   (s23*s24^2*z1)/(s12*s124*s134*s34*z12) - (s24^2*z1)/(4*s12*s234*s34*z12) + 
   (s24^2*z1)/(2*s123*s234*s34*z12) - (2*s24^2*z1)/(s124*s234*s34*z12) + 
   (s13*s24^2*z1)/(2*s12*s123*s234*s34*z12) - 
   (s13*s24^2*z1)/(s12*s124*s234*s34*z12) - (2*s14*s24^2*z1)/
    (s12*s124*s234*s34*z12) + (s23*s24^2*z1)/(2*s12*s123*s234*s34*z12) - 
   (2*s23*s24^2*z1)/(s12*s124*s234*s34*z12) - 
   (3*s24^3*z1)/(s12^2*s124*s34*z12) + (s24^3*z1)/(2*s12*s124*s134*s34*z12) - 
   (s24^3*z1)/(s12*s124*s234*s34*z12) - (2*s23*s34*z1)/(s12*s123*s124*z12) - 
   (2*s14*s23*s34*z1)/(s12^2*s123*s124*z12) - 
   (2*s24*s34*z1)/(s12*s123*s124*z12) - (2*s13*s24*s34*z1)/
    (s12^2*s123*s124*z12) - (4*s23*s24*s34*z1)/(s12^2*s123*s124*z12) - 
   (2*z1*z2)/(s12*z12^2) + (4*z1*z2)/(s123*z12^2) + (4*z1*z2)/(s124*z12^2) + 
   (4*s12*z1*z2)/(s123*s124*z12^2) + (7*s13*z1*z2)/(s12*s123*z12^2) + 
   (3*s13*z1*z2)/(s12*s124*z12^2) + (8*s13*z1*z2)/(s123*s124*z12^2) + 
   (3*s13^2*z1*z2)/(s12^2*s123*z12^2) + (4*s13^2*z1*z2)/
    (s12*s123*s124*z12^2) + (3*s14*z1*z2)/(s12*s123*z12^2) + 
   (7*s14*z1*z2)/(s12*s124*z12^2) + (8*s14*z1*z2)/(s123*s124*z12^2) + 
   (3*s13*s14*z1*z2)/(s12^2*s123*z12^2) + (3*s13*s14*z1*z2)/
    (s12^2*s124*z12^2) + (12*s13*s14*z1*z2)/(s12*s123*s124*z12^2) + 
   (4*s13^2*s14*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (3*s14^2*z1*z2)/(s12^2*s124*z12^2) + (4*s14^2*z1*z2)/
    (s12*s123*s124*z12^2) + (4*s13*s14^2*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (7*s23*z1*z2)/(s12*s123*z12^2) + (3*s23*z1*z2)/(s12*s124*z12^2) + 
   (8*s23*z1*z2)/(s123*s124*z12^2) + (6*s13*s23*z1*z2)/(s12^2*s123*z12^2) + 
   (8*s13*s23*z1*z2)/(s12*s123*s124*z12^2) + (3*s14*s23*z1*z2)/
    (s12^2*s123*z12^2) + (3*s14*s23*z1*z2)/(s12^2*s124*z12^2) + 
   (12*s14*s23*z1*z2)/(s12*s123*s124*z12^2) + (8*s13*s14*s23*z1*z2)/
    (s12^2*s123*s124*z12^2) + (4*s14^2*s23*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (3*s23^2*z1*z2)/(s12^2*s123*z12^2) + (4*s23^2*z1*z2)/
    (s12*s123*s124*z12^2) + (4*s14*s23^2*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (3*s24*z1*z2)/(s12*s123*z12^2) + (7*s24*z1*z2)/(s12*s124*z12^2) + 
   (8*s24*z1*z2)/(s123*s124*z12^2) + (3*s13*s24*z1*z2)/(s12^2*s123*z12^2) + 
   (3*s13*s24*z1*z2)/(s12^2*s124*z12^2) + (12*s13*s24*z1*z2)/
    (s12*s123*s124*z12^2) + (4*s13^2*s24*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (6*s14*s24*z1*z2)/(s12^2*s124*z12^2) + (8*s14*s24*z1*z2)/
    (s12*s123*s124*z12^2) + (8*s13*s14*s24*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (3*s23*s24*z1*z2)/(s12^2*s123*z12^2) + (3*s23*s24*z1*z2)/
    (s12^2*s124*z12^2) + (12*s23*s24*z1*z2)/(s12*s123*s124*z12^2) + 
   (8*s13*s23*s24*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (8*s14*s23*s24*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (4*s23^2*s24*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (3*s24^2*z1*z2)/(s12^2*s124*z12^2) + (4*s24^2*z1*z2)/
    (s12*s123*s124*z12^2) + (4*s13*s24^2*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (4*s23*s24^2*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (4*s12*z1*z2)/(s34^2*z12^2) + (10*s13*z1*z2)/(s34^2*z12^2) + 
   (8*s13^2*z1*z2)/(s12*s34^2*z12^2) + (2*s13^3*z1*z2)/(s12^2*s34^2*z12^2) + 
   (10*s14*z1*z2)/(s34^2*z12^2) + (18*s13*s14*z1*z2)/(s12*s34^2*z12^2) + 
   (8*s13^2*s14*z1*z2)/(s12^2*s34^2*z12^2) + 
   (8*s14^2*z1*z2)/(s12*s34^2*z12^2) + (8*s13*s14^2*z1*z2)/
    (s12^2*s34^2*z12^2) + (2*s14^3*z1*z2)/(s12^2*s34^2*z12^2) + 
   (10*s23*z1*z2)/(s34^2*z12^2) + (16*s13*s23*z1*z2)/(s12*s34^2*z12^2) + 
   (6*s13^2*s23*z1*z2)/(s12^2*s34^2*z12^2) + (18*s14*s23*z1*z2)/
    (s12*s34^2*z12^2) + (16*s13*s14*s23*z1*z2)/(s12^2*s34^2*z12^2) + 
   (8*s14^2*s23*z1*z2)/(s12^2*s34^2*z12^2) + 
   (8*s23^2*z1*z2)/(s12*s34^2*z12^2) + (6*s13*s23^2*z1*z2)/
    (s12^2*s34^2*z12^2) + (8*s14*s23^2*z1*z2)/(s12^2*s34^2*z12^2) + 
   (2*s23^3*z1*z2)/(s12^2*s34^2*z12^2) + (10*s24*z1*z2)/(s34^2*z12^2) + 
   (18*s13*s24*z1*z2)/(s12*s34^2*z12^2) + (8*s13^2*s24*z1*z2)/
    (s12^2*s34^2*z12^2) + (16*s14*s24*z1*z2)/(s12*s34^2*z12^2) + 
   (16*s13*s14*s24*z1*z2)/(s12^2*s34^2*z12^2) + 
   (6*s14^2*s24*z1*z2)/(s12^2*s34^2*z12^2) + (18*s23*s24*z1*z2)/
    (s12*s34^2*z12^2) + (16*s13*s23*s24*z1*z2)/(s12^2*s34^2*z12^2) + 
   (16*s14*s23*s24*z1*z2)/(s12^2*s34^2*z12^2) + 
   (8*s23^2*s24*z1*z2)/(s12^2*s34^2*z12^2) + 
   (8*s24^2*z1*z2)/(s12*s34^2*z12^2) + (8*s13*s24^2*z1*z2)/
    (s12^2*s34^2*z12^2) + (6*s14*s24^2*z1*z2)/(s12^2*s34^2*z12^2) + 
   (8*s23*s24^2*z1*z2)/(s12^2*s34^2*z12^2) + 
   (2*s24^3*z1*z2)/(s12^2*s34^2*z12^2) + (2*z1*z2)/(s34*z12^2) + 
   (4*s12*z1*z2)/(s123*s34*z12^2) + (4*s12*z1*z2)/(s124*s34*z12^2) + 
   (4*s13*z1*z2)/(s12*s34*z12^2) + (11*s13*z1*z2)/(s123*s34*z12^2) + 
   (7*s13*z1*z2)/(s124*s34*z12^2) + (2*s13^2*z1*z2)/(s12^2*s34*z12^2) + 
   (10*s13^2*z1*z2)/(s12*s123*s34*z12^2) + (3*s13^2*z1*z2)/
    (s12*s124*s34*z12^2) + (3*s13^3*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (4*s14*z1*z2)/(s12*s34*z12^2) + (7*s14*z1*z2)/(s123*s34*z12^2) + 
   (11*s14*z1*z2)/(s124*s34*z12^2) + (6*s13*s14*z1*z2)/(s12^2*s34*z12^2) + 
   (13*s13*s14*z1*z2)/(s12*s123*s34*z12^2) + (13*s13*s14*z1*z2)/
    (s12*s124*s34*z12^2) + (6*s13^2*s14*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (3*s13^2*s14*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (2*s14^2*z1*z2)/(s12^2*s34*z12^2) + (3*s14^2*z1*z2)/(s12*s123*s34*z12^2) + 
   (10*s14^2*z1*z2)/(s12*s124*s34*z12^2) + (3*s13*s14^2*z1*z2)/
    (s12^2*s123*s34*z12^2) + (6*s13*s14^2*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (3*s14^3*z1*z2)/(s12^2*s124*s34*z12^2) + (4*s23*z1*z2)/(s12*s34*z12^2) + 
   (11*s23*z1*z2)/(s123*s34*z12^2) + (7*s23*z1*z2)/(s124*s34*z12^2) + 
   (4*s13*s23*z1*z2)/(s12^2*s34*z12^2) + (20*s13*s23*z1*z2)/
    (s12*s123*s34*z12^2) + (6*s13*s23*z1*z2)/(s12*s124*s34*z12^2) + 
   (9*s13^2*s23*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (6*s14*s23*z1*z2)/(s12^2*s34*z12^2) + (13*s14*s23*z1*z2)/
    (s12*s123*s34*z12^2) + (13*s14*s23*z1*z2)/(s12*s124*s34*z12^2) + 
   (12*s13*s14*s23*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (6*s13*s14*s23*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (3*s14^2*s23*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (6*s14^2*s23*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (2*s23^2*z1*z2)/(s12^2*s34*z12^2) + (10*s23^2*z1*z2)/
    (s12*s123*s34*z12^2) + (3*s23^2*z1*z2)/(s12*s124*s34*z12^2) + 
   (9*s13*s23^2*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (6*s14*s23^2*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (3*s14*s23^2*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (3*s23^3*z1*z2)/(s12^2*s123*s34*z12^2) + (4*s24*z1*z2)/(s12*s34*z12^2) + 
   (7*s24*z1*z2)/(s123*s34*z12^2) + (11*s24*z1*z2)/(s124*s34*z12^2) + 
   (6*s13*s24*z1*z2)/(s12^2*s34*z12^2) + (13*s13*s24*z1*z2)/
    (s12*s123*s34*z12^2) + (13*s13*s24*z1*z2)/(s12*s124*s34*z12^2) + 
   (6*s13^2*s24*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (3*s13^2*s24*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (4*s14*s24*z1*z2)/(s12^2*s34*z12^2) + (6*s14*s24*z1*z2)/
    (s12*s123*s34*z12^2) + (20*s14*s24*z1*z2)/(s12*s124*s34*z12^2) + 
   (6*s13*s14*s24*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (12*s13*s14*s24*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (9*s14^2*s24*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (6*s23*s24*z1*z2)/(s12^2*s34*z12^2) + (13*s23*s24*z1*z2)/
    (s12*s123*s34*z12^2) + (13*s23*s24*z1*z2)/(s12*s124*s34*z12^2) + 
   (12*s13*s23*s24*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (6*s13*s23*s24*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (6*s14*s23*s24*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (12*s14*s23*s24*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (6*s23^2*s24*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (3*s23^2*s24*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (2*s24^2*z1*z2)/(s12^2*s34*z12^2) + (3*s24^2*z1*z2)/(s12*s123*s34*z12^2) + 
   (10*s24^2*z1*z2)/(s12*s124*s34*z12^2) + (3*s13*s24^2*z1*z2)/
    (s12^2*s123*s34*z12^2) + (6*s13*s24^2*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (9*s14*s24^2*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (3*s23*s24^2*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (6*s23*s24^2*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (3*s24^3*z1*z2)/(s12^2*s124*s34*z12^2) + (4*s34*z1*z2)/(s123*s124*z12^2) + 
   (4*s13*s34*z1*z2)/(s12*s123*s124*z12^2) + (4*s14*s34*z1*z2)/
    (s12*s123*s124*z12^2) + (4*s13*s14*s34*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (4*s23*s34*z1*z2)/(s12*s123*s124*z12^2) + (4*s14*s23*s34*z1*z2)/
    (s12^2*s123*s124*z12^2) + (4*s24*s34*z1*z2)/(s12*s123*s124*z12^2) + 
   (4*s13*s24*s34*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (4*s23*s24*s34*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (3*s13*z2)/(s12*s123*z12) - (2*s13*z2)/(s12*s124*z12) - 
   (2*s13*z2)/(s123*s124*z12) - (3*s13^2*z2)/(s12^2*s123*z12) - 
   (2*s13^2*z2)/(s12*s123*s124*z12) - (s13*z2)/(s123*s134*z12) + 
   (s13*z2)/(2*s124*s134*z12) - (s13^2*z2)/(s12*s123*s134*z12) - 
   (2*s14*z2)/(s12*s123*z12) - (3*s14*z2)/(s12*s124*z12) - 
   (2*s14*z2)/(s123*s124*z12) - (3*s13*s14*z2)/(s12^2*s123*z12) - 
   (3*s13*s14*z2)/(s12^2*s124*z12) - (8*s13*s14*z2)/(s12*s123*s124*z12) - 
   (4*s13^2*s14*z2)/(s12^2*s123*s124*z12) - (s14*z2)/(s123*s134*z12) + 
   (s14*z2)/(2*s124*s134*z12) - (s13*s14*z2)/(s12*s123*s134*z12) + 
   (s13*s14*z2)/(2*s12*s124*s134*z12) - (3*s14^2*z2)/(s12^2*s124*z12) - 
   (2*s14^2*z2)/(s12*s123*s124*z12) - (4*s13*s14^2*z2)/
    (s12^2*s123*s124*z12) + (s14^2*z2)/(2*s12*s124*s134*z12) - 
   (3*s13*s23*z2)/(s12^2*s123*z12) - (2*s13*s23*z2)/(s12*s123*s124*z12) - 
   (s13*s23*z2)/(s12*s123*s134*z12) - (3*s14*s23*z2)/(2*s12^2*s123*z12) - 
   (3*s14*s23*z2)/(2*s12^2*s124*z12) - (4*s14*s23*z2)/(s12*s123*s124*z12) - 
   (6*s13*s14*s23*z2)/(s12^2*s123*s124*z12) - 
   (s14*s23*z2)/(s12*s123*s134*z12) - (2*s14^2*s23*z2)/
    (s12^2*s123*s124*z12) - (2*s14*s23^2*z2)/(s12^2*s123*s124*z12) + 
   (s13*z2)/(2*s123*s234*z12) - (s13*z2)/(s124*s234*z12) + 
   (s13^2*z2)/(2*s12*s123*s234*z12) + (s14*z2)/(2*s123*s234*z12) - 
   (s14*z2)/(s124*s234*z12) + (s13*s14*z2)/(2*s12*s123*s234*z12) - 
   (s13*s14*z2)/(s12*s124*s234*z12) - (s14^2*z2)/(s12*s124*s234*z12) + 
   (s13*s23*z2)/(2*s12*s123*s234*z12) + (s14*s23*z2)/(2*s12*s123*s234*z12) - 
   (3*s13*s24*z2)/(2*s12^2*s123*z12) - (3*s13*s24*z2)/(2*s12^2*s124*z12) - 
   (4*s13*s24*z2)/(s12*s123*s124*z12) - (2*s13^2*s24*z2)/
    (s12^2*s123*s124*z12) + (s13*s24*z2)/(2*s12*s124*s134*z12) - 
   (3*s14*s24*z2)/(s12^2*s124*z12) - (2*s14*s24*z2)/(s12*s123*s124*z12) - 
   (6*s13*s14*s24*z2)/(s12^2*s123*s124*z12) + 
   (s14*s24*z2)/(2*s12*s124*s134*z12) - (2*s13*s23*s24*z2)/
    (s12^2*s123*s124*z12) - (2*s14*s23*s24*z2)/(s12^2*s123*s124*z12) - 
   (s13*s24*z2)/(s12*s124*s234*z12) - (s14*s24*z2)/(s12*s124*s234*z12) - 
   (2*s13*s24^2*z2)/(s12^2*s123*s124*z12) - (3*s13*z2)/(s34^2*z12) - 
   (5*s13^2*z2)/(s12*s34^2*z12) - (2*s13^3*z2)/(s12^2*s34^2*z12) - 
   (s12*s13*z2)/(2*s134*s34^2*z12) - (3*s13^2*z2)/(4*s134*s34^2*z12) - 
   (s13^3*z2)/(4*s12*s134*s34^2*z12) - (3*s14*z2)/(s34^2*z12) - 
   (12*s13*s14*z2)/(s12*s34^2*z12) - (8*s13^2*s14*z2)/(s12^2*s34^2*z12) - 
   (s12*s14*z2)/(2*s134*s34^2*z12) - (5*s13*s14*z2)/(2*s134*s34^2*z12) - 
   (7*s13^2*s14*z2)/(4*s12*s134*s34^2*z12) - (5*s14^2*z2)/(s12*s34^2*z12) - 
   (8*s13*s14^2*z2)/(s12^2*s34^2*z12) - (3*s14^2*z2)/(4*s134*s34^2*z12) - 
   (7*s13*s14^2*z2)/(4*s12*s134*s34^2*z12) - (2*s14^3*z2)/(s12^2*s34^2*z12) - 
   (s14^3*z2)/(4*s12*s134*s34^2*z12) - (5*s13*s23*z2)/(s12*s34^2*z12) - 
   (4*s13^2*s23*z2)/(s12^2*s34^2*z12) - (3*s13*s23*z2)/(4*s134*s34^2*z12) - 
   (s13^2*s23*z2)/(2*s12*s134*s34^2*z12) - (6*s14*s23*z2)/(s12*s34^2*z12) - 
   (11*s13*s14*s23*z2)/(s12^2*s34^2*z12) - 
   (5*s14*s23*z2)/(4*s134*s34^2*z12) - (5*s13*s14*s23*z2)/
    (2*s12*s134*s34^2*z12) - (5*s14^2*s23*z2)/(s12^2*s34^2*z12) - 
   (s14^2*s23*z2)/(s12*s134*s34^2*z12) - (2*s13*s23^2*z2)/(s12^2*s34^2*z12) - 
   (s13*s23^2*z2)/(4*s12*s134*s34^2*z12) - (3*s14*s23^2*z2)/
    (s12^2*s34^2*z12) - (3*s14*s23^2*z2)/(4*s12*s134*s34^2*z12) - 
   (s12*s13*z2)/(2*s234*s34^2*z12) - (3*s13^2*z2)/(4*s234*s34^2*z12) - 
   (s13^3*z2)/(4*s12*s234*s34^2*z12) - (s12*s14*z2)/(2*s234*s34^2*z12) - 
   (5*s13*s14*z2)/(2*s234*s34^2*z12) - (7*s13^2*s14*z2)/
    (4*s12*s234*s34^2*z12) - (3*s14^2*z2)/(4*s234*s34^2*z12) - 
   (7*s13*s14^2*z2)/(4*s12*s234*s34^2*z12) - 
   (s14^3*z2)/(4*s12*s234*s34^2*z12) - (3*s13*s23*z2)/(4*s234*s34^2*z12) - 
   (s13^2*s23*z2)/(2*s12*s234*s34^2*z12) - 
   (5*s14*s23*z2)/(4*s234*s34^2*z12) - (5*s13*s14*s23*z2)/
    (2*s12*s234*s34^2*z12) - (s14^2*s23*z2)/(s12*s234*s34^2*z12) - 
   (s13*s23^2*z2)/(4*s12*s234*s34^2*z12) - (3*s14*s23^2*z2)/
    (4*s12*s234*s34^2*z12) - (6*s13*s24*z2)/(s12*s34^2*z12) - 
   (5*s13^2*s24*z2)/(s12^2*s34^2*z12) - (5*s13*s24*z2)/(4*s134*s34^2*z12) - 
   (s13^2*s24*z2)/(s12*s134*s34^2*z12) - (5*s14*s24*z2)/(s12*s34^2*z12) - 
   (11*s13*s14*s24*z2)/(s12^2*s34^2*z12) - 
   (3*s14*s24*z2)/(4*s134*s34^2*z12) - (5*s13*s14*s24*z2)/
    (2*s12*s134*s34^2*z12) - (4*s14^2*s24*z2)/(s12^2*s34^2*z12) - 
   (s14^2*s24*z2)/(2*s12*s134*s34^2*z12) - (5*s13*s23*s24*z2)/
    (s12^2*s34^2*z12) - (s13*s23*s24*z2)/(s12*s134*s34^2*z12) - 
   (5*s14*s23*s24*z2)/(s12^2*s34^2*z12) - (s14*s23*s24*z2)/
    (s12*s134*s34^2*z12) - (5*s13*s24*z2)/(4*s234*s34^2*z12) - 
   (s13^2*s24*z2)/(s12*s234*s34^2*z12) - (3*s14*s24*z2)/(4*s234*s34^2*z12) - 
   (5*s13*s14*s24*z2)/(2*s12*s234*s34^2*z12) - 
   (s14^2*s24*z2)/(2*s12*s234*s34^2*z12) - (s13*s23*s24*z2)/
    (s12*s234*s34^2*z12) - (s14*s23*s24*z2)/(s12*s234*s34^2*z12) - 
   (3*s13*s24^2*z2)/(s12^2*s34^2*z12) - (3*s13*s24^2*z2)/
    (4*s12*s134*s34^2*z12) - (2*s14*s24^2*z2)/(s12^2*s34^2*z12) - 
   (s14*s24^2*z2)/(4*s12*s134*s34^2*z12) - (3*s13*s24^2*z2)/
    (4*s12*s234*s34^2*z12) - (s14*s24^2*z2)/(4*s12*s234*s34^2*z12) - 
   (3*s13*z2)/(s12*s34*z12) - (3*s13*z2)/(s123*s34*z12) - 
   (2*s13*z2)/(s124*s34*z12) - (2*s13^2*z2)/(s12^2*s34*z12) - 
   (6*s13^2*z2)/(s12*s123*s34*z12) - (2*s13^2*z2)/(s12*s124*s34*z12) - 
   (3*s13^3*z2)/(s12^2*s123*s34*z12) - (s13*z2)/(2*s134*s34*z12) - 
   (s12*s13*z2)/(s123*s134*s34*z12) + (s12*s13*z2)/(2*s124*s134*s34*z12) - 
   (s13^2*z2)/(4*s12*s134*s34*z12) - (2*s13^2*z2)/(s123*s134*s34*z12) + 
   (s13^2*z2)/(2*s124*s134*s34*z12) - (s13^3*z2)/(s12*s123*s134*s34*z12) - 
   (3*s14*z2)/(s12*s34*z12) - (2*s14*z2)/(s123*s34*z12) - 
   (3*s14*z2)/(s124*s34*z12) - (6*s13*s14*z2)/(s12^2*s34*z12) - 
   (8*s13*s14*z2)/(s12*s123*s34*z12) - (8*s13*s14*z2)/(s12*s124*s34*z12) - 
   (6*s13^2*s14*z2)/(s12^2*s123*s34*z12) - (3*s13^2*s14*z2)/
    (s12^2*s124*s34*z12) - (s14*z2)/(2*s134*s34*z12) - 
   (s12*s14*z2)/(s123*s134*s34*z12) + (s12*s14*z2)/(2*s124*s134*s34*z12) - 
   (3*s13*s14*z2)/(2*s12*s134*s34*z12) - (3*s13*s14*z2)/(s123*s134*s34*z12) + 
   (3*s13*s14*z2)/(2*s124*s134*s34*z12) - (2*s13^2*s14*z2)/
    (s12*s123*s134*s34*z12) + (s13^2*s14*z2)/(2*s12*s124*s134*s34*z12) - 
   (2*s14^2*z2)/(s12^2*s34*z12) - (2*s14^2*z2)/(s12*s123*s34*z12) - 
   (6*s14^2*z2)/(s12*s124*s34*z12) - (3*s13*s14^2*z2)/(s12^2*s123*s34*z12) - 
   (6*s13*s14^2*z2)/(s12^2*s124*s34*z12) - (s14^2*z2)/(4*s12*s134*s34*z12) - 
   (s14^2*z2)/(s123*s134*s34*z12) + (s14^2*z2)/(s124*s134*s34*z12) - 
   (s13*s14^2*z2)/(s12*s123*s134*s34*z12) + 
   (s13*s14^2*z2)/(s12*s124*s134*s34*z12) - 
   (3*s14^3*z2)/(s12^2*s124*s34*z12) + (s14^3*z2)/(2*s12*s124*s134*s34*z12) - 
   (2*s13*s23*z2)/(s12^2*s34*z12) - (6*s13*s23*z2)/(s12*s123*s34*z12) - 
   (2*s13*s23*z2)/(s12*s124*s34*z12) - (6*s13^2*s23*z2)/
    (s12^2*s123*s34*z12) - (s13*s23*z2)/(4*s12*s134*s34*z12) - 
   (2*s13*s23*z2)/(s123*s134*s34*z12) + (s13*s23*z2)/(2*s124*s134*s34*z12) - 
   (2*s13^2*s23*z2)/(s12*s123*s134*s34*z12) - 
   (3*s14*s23*z2)/(s12^2*s34*z12) - (7*s14*s23*z2)/(2*s12*s123*s34*z12) - 
   (9*s14*s23*z2)/(2*s12*s124*s34*z12) - (15*s13*s14*s23*z2)/
    (2*s12^2*s123*s34*z12) - (9*s13*s14*s23*z2)/(2*s12^2*s124*s34*z12) - 
   (3*s14*s23*z2)/(4*s12*s134*s34*z12) - (2*s14*s23*z2)/(s123*s134*s34*z12) + 
   (s14*s23*z2)/(2*s124*s134*s34*z12) - (3*s13*s14*s23*z2)/
    (s12*s123*s134*s34*z12) + (s13*s14*s23*z2)/(2*s12*s124*s134*s34*z12) - 
   (3*s14^2*s23*z2)/(2*s12^2*s123*s34*z12) - (9*s14^2*s23*z2)/
    (2*s12^2*s124*s34*z12) - (s14^2*s23*z2)/(s12*s123*s134*s34*z12) + 
   (s14^2*s23*z2)/(2*s12*s124*s134*s34*z12) - 
   (3*s13*s23^2*z2)/(s12^2*s123*s34*z12) - 
   (s13*s23^2*z2)/(s12*s123*s134*s34*z12) - (3*s14*s23^2*z2)/
    (2*s12^2*s123*s34*z12) - (3*s14*s23^2*z2)/(2*s12^2*s124*s34*z12) - 
   (s14*s23^2*z2)/(s12*s123*s134*s34*z12) - (s13*z2)/(2*s234*s34*z12) + 
   (s12*s13*z2)/(2*s123*s234*s34*z12) - (s12*s13*z2)/(s124*s234*s34*z12) - 
   (s13^2*z2)/(4*s12*s234*s34*z12) + (s13^2*z2)/(s123*s234*s34*z12) - 
   (s13^2*z2)/(s124*s234*s34*z12) + (s13^3*z2)/(2*s12*s123*s234*s34*z12) - 
   (s14*z2)/(2*s234*s34*z12) + (s12*s14*z2)/(2*s123*s234*s34*z12) - 
   (s12*s14*z2)/(s124*s234*s34*z12) - (3*s13*s14*z2)/(2*s12*s234*s34*z12) + 
   (3*s13*s14*z2)/(2*s123*s234*s34*z12) - (3*s13*s14*z2)/
    (s124*s234*s34*z12) + (s13^2*s14*z2)/(s12*s123*s234*s34*z12) - 
   (s13^2*s14*z2)/(s12*s124*s234*s34*z12) - (s14^2*z2)/(4*s12*s234*s34*z12) + 
   (s14^2*z2)/(2*s123*s234*s34*z12) - (2*s14^2*z2)/(s124*s234*s34*z12) + 
   (s13*s14^2*z2)/(2*s12*s123*s234*s34*z12) - 
   (2*s13*s14^2*z2)/(s12*s124*s234*s34*z12) - 
   (s14^3*z2)/(s12*s124*s234*s34*z12) - (s13*s23*z2)/(4*s12*s234*s34*z12) + 
   (s13*s23*z2)/(s123*s234*s34*z12) - (s13*s23*z2)/(s124*s234*s34*z12) + 
   (s13^2*s23*z2)/(s12*s123*s234*s34*z12) - 
   (3*s14*s23*z2)/(4*s12*s234*s34*z12) + (s14*s23*z2)/(s123*s234*s34*z12) - 
   (s14*s23*z2)/(s124*s234*s34*z12) + (3*s13*s14*s23*z2)/
    (2*s12*s123*s234*s34*z12) - (s13*s14*s23*z2)/(s12*s124*s234*s34*z12) + 
   (s14^2*s23*z2)/(2*s12*s123*s234*s34*z12) - 
   (s14^2*s23*z2)/(s12*s124*s234*s34*z12) + 
   (s13*s23^2*z2)/(2*s12*s123*s234*s34*z12) + 
   (s14*s23^2*z2)/(2*s12*s123*s234*s34*z12) - 
   (3*s13*s24*z2)/(s12^2*s34*z12) - (9*s13*s24*z2)/(2*s12*s123*s34*z12) - 
   (7*s13*s24*z2)/(2*s12*s124*s34*z12) - (9*s13^2*s24*z2)/
    (2*s12^2*s123*s34*z12) - (3*s13^2*s24*z2)/(2*s12^2*s124*s34*z12) - 
   (3*s13*s24*z2)/(4*s12*s134*s34*z12) - (s13*s24*z2)/(s123*s134*s34*z12) + 
   (s13*s24*z2)/(s124*s134*s34*z12) - (s13^2*s24*z2)/
    (s12*s123*s134*s34*z12) + (s13^2*s24*z2)/(2*s12*s124*s134*s34*z12) - 
   (2*s14*s24*z2)/(s12^2*s34*z12) - (2*s14*s24*z2)/(s12*s123*s34*z12) - 
   (6*s14*s24*z2)/(s12*s124*s34*z12) - (9*s13*s14*s24*z2)/
    (2*s12^2*s123*s34*z12) - (15*s13*s14*s24*z2)/(2*s12^2*s124*s34*z12) - 
   (s14*s24*z2)/(4*s12*s134*s34*z12) - (s14*s24*z2)/(s123*s134*s34*z12) + 
   (s14*s24*z2)/(s124*s134*s34*z12) - (s13*s14*s24*z2)/
    (s12*s123*s134*s34*z12) + (3*s13*s14*s24*z2)/(2*s12*s124*s134*s34*z12) - 
   (6*s14^2*s24*z2)/(s12^2*s124*s34*z12) + 
   (s14^2*s24*z2)/(s12*s124*s134*s34*z12) - (9*s13*s23*s24*z2)/
    (2*s12^2*s123*s34*z12) - (3*s13*s23*s24*z2)/(2*s12^2*s124*s34*z12) - 
   (s13*s23*s24*z2)/(s12*s123*s134*s34*z12) + 
   (s13*s23*s24*z2)/(2*s12*s124*s134*s34*z12) - 
   (3*s14*s23*s24*z2)/(2*s12^2*s123*s34*z12) - 
   (9*s14*s23*s24*z2)/(2*s12^2*s124*s34*z12) - 
   (s14*s23*s24*z2)/(s12*s123*s134*s34*z12) + 
   (s14*s23*s24*z2)/(2*s12*s124*s134*s34*z12) - 
   (3*s13*s24*z2)/(4*s12*s234*s34*z12) + (s13*s24*z2)/(2*s123*s234*s34*z12) - 
   (2*s13*s24*z2)/(s124*s234*s34*z12) + (s13^2*s24*z2)/
    (2*s12*s123*s234*s34*z12) - (s13^2*s24*z2)/(s12*s124*s234*s34*z12) - 
   (s14*s24*z2)/(4*s12*s234*s34*z12) + (s14*s24*z2)/(2*s123*s234*s34*z12) - 
   (2*s14*s24*z2)/(s124*s234*s34*z12) + (s13*s14*s24*z2)/
    (2*s12*s123*s234*s34*z12) - (3*s13*s14*s24*z2)/(s12*s124*s234*s34*z12) - 
   (2*s14^2*s24*z2)/(s12*s124*s234*s34*z12) + 
   (s13*s23*s24*z2)/(2*s12*s123*s234*s34*z12) - 
   (s13*s23*s24*z2)/(s12*s124*s234*s34*z12) + 
   (s14*s23*s24*z2)/(2*s12*s123*s234*s34*z12) - 
   (s14*s23*s24*z2)/(s12*s124*s234*s34*z12) - 
   (3*s13*s24^2*z2)/(2*s12^2*s123*s34*z12) - (3*s13*s24^2*z2)/
    (2*s12^2*s124*s34*z12) + (s13*s24^2*z2)/(2*s12*s124*s134*s34*z12) - 
   (3*s14*s24^2*z2)/(s12^2*s124*s34*z12) + 
   (s14*s24^2*z2)/(2*s12*s124*s134*s34*z12) - 
   (s13*s24^2*z2)/(s12*s124*s234*s34*z12) - 
   (s14*s24^2*z2)/(s12*s124*s234*s34*z12) - 
   (2*s13*s34*z2)/(s12*s123*s124*z12) - (2*s14*s34*z2)/(s12*s123*s124*z12) - 
   (4*s13*s14*s34*z2)/(s12^2*s123*s124*z12) - (2*s14*s23*s34*z2)/
    (s12^2*s123*s124*z12) - (2*s13*s24*s34*z2)/(s12^2*s123*s124*z12) + 
   (3*z3)/(s123*z12) + (2*z3)/(s124*z12) + (2*s12*z3)/(s123*s124*z12) + 
   (3*s13*z3)/(s12*s123*z12) + (2*s13*z3)/(s123*s124*z12) + 
   (s12*z3)/(s123*s134*z12) - (s12*z3)/(2*s124*s134*z12) + 
   (s13*z3)/(s123*s134*z12) + (3*s14*z3)/(2*s12*s123*z12) + 
   (3*s14*z3)/(2*s12*s124*z12) + (4*s14*z3)/(s123*s124*z12) + 
   (2*s13*s14*z3)/(s12*s123*s124*z12) - (s14*z3)/(2*s124*s134*z12) + 
   (2*s14^2*z3)/(s12*s123*s124*z12) + (3*s23*z3)/(s12*s123*z12) + 
   (2*s23*z3)/(s123*s124*z12) + (s23*z3)/(s123*s134*z12) + 
   (2*s14*s23*z3)/(s12*s123*s124*z12) - (s12*z3)/(2*s123*s234*z12) + 
   (s12*z3)/(s124*s234*z12) - (s13*z3)/(2*s123*s234*z12) + 
   (s14*z3)/(s124*s234*z12) - (s23*z3)/(2*s123*s234*z12) + 
   (3*s24*z3)/(2*s12*s123*z12) + (3*s24*z3)/(2*s12*s124*z12) + 
   (4*s24*z3)/(s123*s124*z12) + (2*s13*s24*z3)/(s12*s123*s124*z12) - 
   (s24*z3)/(2*s124*s134*z12) + (4*s14*s24*z3)/(s12*s123*s124*z12) + 
   (2*s23*s24*z3)/(s12*s123*s124*z12) + (s24*z3)/(s124*s234*z12) + 
   (2*s24^2*z3)/(s12*s123*s124*z12) + (3*s12*z3)/(s34^2*z12) + 
   (5*s13*z3)/(s34^2*z12) + (2*s13^2*z3)/(s12*s34^2*z12) + 
   (s12^2*z3)/(2*s134*s34^2*z12) + (3*s12*s13*z3)/(4*s134*s34^2*z12) + 
   (s13^2*z3)/(4*s134*s34^2*z12) + (6*s14*z3)/(s34^2*z12) + 
   (5*s13*s14*z3)/(s12*s34^2*z12) + (5*s12*s14*z3)/(4*s134*s34^2*z12) + 
   (s13*s14*z3)/(s134*s34^2*z12) + (3*s14^2*z3)/(s12*s34^2*z12) + 
   (3*s14^2*z3)/(4*s134*s34^2*z12) + (5*s23*z3)/(s34^2*z12) + 
   (4*s13*s23*z3)/(s12*s34^2*z12) + (3*s12*s23*z3)/(4*s134*s34^2*z12) + 
   (s13*s23*z3)/(2*s134*s34^2*z12) + (5*s14*s23*z3)/(s12*s34^2*z12) + 
   (s14*s23*z3)/(s134*s34^2*z12) + (2*s23^2*z3)/(s12*s34^2*z12) + 
   (s23^2*z3)/(4*s134*s34^2*z12) + (s12^2*z3)/(2*s234*s34^2*z12) + 
   (3*s12*s13*z3)/(4*s234*s34^2*z12) + (s13^2*z3)/(4*s234*s34^2*z12) + 
   (5*s12*s14*z3)/(4*s234*s34^2*z12) + (s13*s14*z3)/(s234*s34^2*z12) + 
   (3*s14^2*z3)/(4*s234*s34^2*z12) + (3*s12*s23*z3)/(4*s234*s34^2*z12) + 
   (s13*s23*z3)/(2*s234*s34^2*z12) + (s14*s23*z3)/(s234*s34^2*z12) + 
   (s23^2*z3)/(4*s234*s34^2*z12) + (6*s24*z3)/(s34^2*z12) + 
   (5*s13*s24*z3)/(s12*s34^2*z12) + (5*s12*s24*z3)/(4*s134*s34^2*z12) + 
   (s13*s24*z3)/(s134*s34^2*z12) + (6*s14*s24*z3)/(s12*s34^2*z12) + 
   (3*s14*s24*z3)/(2*s134*s34^2*z12) + (5*s23*s24*z3)/(s12*s34^2*z12) + 
   (s23*s24*z3)/(s134*s34^2*z12) + (5*s12*s24*z3)/(4*s234*s34^2*z12) + 
   (s13*s24*z3)/(s234*s34^2*z12) + (3*s14*s24*z3)/(2*s234*s34^2*z12) + 
   (s23*s24*z3)/(s234*s34^2*z12) + (3*s24^2*z3)/(s12*s34^2*z12) + 
   (3*s24^2*z3)/(4*s134*s34^2*z12) + (3*s24^2*z3)/(4*s234*s34^2*z12) + 
   (3*z3)/(s34*z12) + (3*s12*z3)/(s123*s34*z12) + (2*s12*z3)/(s124*s34*z12) + 
   (2*s13*z3)/(s12*s34*z12) + (6*s13*z3)/(s123*s34*z12) + 
   (2*s13*z3)/(s124*s34*z12) + (3*s13^2*z3)/(s12*s123*s34*z12) + 
   (s12*z3)/(2*s134*s34*z12) + (s12^2*z3)/(s123*s134*s34*z12) - 
   (s12^2*z3)/(2*s124*s134*s34*z12) + (s13*z3)/(4*s134*s34*z12) + 
   (2*s12*s13*z3)/(s123*s134*s34*z12) - (s12*s13*z3)/(2*s124*s134*s34*z12) + 
   (s13^2*z3)/(s123*s134*s34*z12) + (3*s14*z3)/(s12*s34*z12) + 
   (9*s14*z3)/(2*s123*s34*z12) + (7*s14*z3)/(2*s124*s34*z12) + 
   (9*s13*s14*z3)/(2*s12*s123*s34*z12) + (3*s13*s14*z3)/
    (2*s12*s124*s34*z12) + (3*s14*z3)/(4*s134*s34*z12) + 
   (s12*s14*z3)/(s123*s134*s34*z12) - (s12*s14*z3)/(s124*s134*s34*z12) + 
   (s13*s14*z3)/(s123*s134*s34*z12) - (s13*s14*z3)/(2*s124*s134*s34*z12) + 
   (3*s14^2*z3)/(2*s12*s123*s34*z12) + (3*s14^2*z3)/(2*s12*s124*s34*z12) - 
   (s14^2*z3)/(2*s124*s134*s34*z12) + (2*s23*z3)/(s12*s34*z12) + 
   (6*s23*z3)/(s123*s34*z12) + (2*s23*z3)/(s124*s34*z12) + 
   (6*s13*s23*z3)/(s12*s123*s34*z12) + (s23*z3)/(4*s134*s34*z12) + 
   (2*s12*s23*z3)/(s123*s134*s34*z12) - (s12*s23*z3)/(2*s124*s134*s34*z12) + 
   (2*s13*s23*z3)/(s123*s134*s34*z12) + (9*s14*s23*z3)/(2*s12*s123*s34*z12) + 
   (3*s14*s23*z3)/(2*s12*s124*s34*z12) + (s14*s23*z3)/(s123*s134*s34*z12) - 
   (s14*s23*z3)/(2*s124*s134*s34*z12) + (3*s23^2*z3)/(s12*s123*s34*z12) + 
   (s23^2*z3)/(s123*s134*s34*z12) + (s12*z3)/(2*s234*s34*z12) - 
   (s12^2*z3)/(2*s123*s234*s34*z12) + (s12^2*z3)/(s124*s234*s34*z12) + 
   (s13*z3)/(4*s234*s34*z12) - (s12*s13*z3)/(s123*s234*s34*z12) + 
   (s12*s13*z3)/(s124*s234*s34*z12) - (s13^2*z3)/(2*s123*s234*s34*z12) + 
   (3*s14*z3)/(4*s234*s34*z12) - (s12*s14*z3)/(2*s123*s234*s34*z12) + 
   (2*s12*s14*z3)/(s124*s234*s34*z12) - (s13*s14*z3)/(2*s123*s234*s34*z12) + 
   (s13*s14*z3)/(s124*s234*s34*z12) + (s14^2*z3)/(s124*s234*s34*z12) + 
   (s23*z3)/(4*s234*s34*z12) - (s12*s23*z3)/(s123*s234*s34*z12) + 
   (s12*s23*z3)/(s124*s234*s34*z12) - (s13*s23*z3)/(s123*s234*s34*z12) - 
   (s14*s23*z3)/(2*s123*s234*s34*z12) + (s14*s23*z3)/(s124*s234*s34*z12) - 
   (s23^2*z3)/(2*s123*s234*s34*z12) + (3*s24*z3)/(s12*s34*z12) + 
   (9*s24*z3)/(2*s123*s34*z12) + (7*s24*z3)/(2*s124*s34*z12) + 
   (9*s13*s24*z3)/(2*s12*s123*s34*z12) + (3*s13*s24*z3)/
    (2*s12*s124*s34*z12) + (3*s24*z3)/(4*s134*s34*z12) + 
   (s12*s24*z3)/(s123*s134*s34*z12) - (s12*s24*z3)/(s124*s134*s34*z12) + 
   (s13*s24*z3)/(s123*s134*s34*z12) - (s13*s24*z3)/(2*s124*s134*s34*z12) + 
   (3*s14*s24*z3)/(s12*s123*s34*z12) + (3*s14*s24*z3)/(s12*s124*s34*z12) - 
   (s14*s24*z3)/(s124*s134*s34*z12) + (9*s23*s24*z3)/(2*s12*s123*s34*z12) + 
   (3*s23*s24*z3)/(2*s12*s124*s34*z12) + (s23*s24*z3)/(s123*s134*s34*z12) - 
   (s23*s24*z3)/(2*s124*s134*s34*z12) + (3*s24*z3)/(4*s234*s34*z12) - 
   (s12*s24*z3)/(2*s123*s234*s34*z12) + (2*s12*s24*z3)/(s124*s234*s34*z12) - 
   (s13*s24*z3)/(2*s123*s234*s34*z12) + (s13*s24*z3)/(s124*s234*s34*z12) + 
   (2*s14*s24*z3)/(s124*s234*s34*z12) - (s23*s24*z3)/(2*s123*s234*s34*z12) + 
   (s23*s24*z3)/(s124*s234*s34*z12) + (3*s24^2*z3)/(2*s12*s123*s34*z12) + 
   (3*s24^2*z3)/(2*s12*s124*s34*z12) - (s24^2*z3)/(2*s124*s134*s34*z12) + 
   (s24^2*z3)/(s124*s234*s34*z12) + (2*s34*z3)/(s123*s124*z12) + 
   (2*s14*s34*z3)/(s12*s123*s124*z12) + (2*s24*s34*z3)/(s12*s123*s124*z12) + 
   (2*z1)/(s12*z34) + z1/(2*s123*z34) + z1/(2*s124*z34) + 
   (s13*z1)/(2*s12*s123*z34) + (s13*z1)/(2*s12*s124*z34) + z1/(s134*z34) + 
   (s14*z1)/(2*s12*s123*z34) + (s14*z1)/(2*s12*s124*z34) - 
   (s23*z1)/(s12^2*z34) + (s23*z1)/(2*s12*s123*z34) + 
   (s23*z1)/(2*s12*s124*z34) - (s13*s23*z1)/(4*s12^2*s123*z34) + 
   (s13*s23*z1)/(4*s12^2*s124*z34) - (s14*s23*z1)/(4*s12^2*s123*z34) + 
   (s14*s23*z1)/(4*s12^2*s124*z34) + (s23^2*z1)/(4*s12^2*s123*z34) - 
   (s23^2*z1)/(4*s12^2*s124*z34) - (s23*z1)/(s12*s234*z34) - 
   (s24*z1)/(s12^2*z34) + (s24*z1)/(2*s12*s123*z34) + 
   (s24*z1)/(2*s12*s124*z34) + (s13*s24*z1)/(4*s12^2*s123*z34) - 
   (s13*s24*z1)/(4*s12^2*s124*z34) + (s14*s24*z1)/(4*s12^2*s123*z34) - 
   (s14*s24*z1)/(4*s12^2*s124*z34) - (s24*z1)/(s12*s234*z34) - 
   (s24^2*z1)/(4*s12^2*s123*z34) + (s24^2*z1)/(4*s12^2*s124*z34) + 
   (2*z1)/(s34*z34) + (2*s13*z1)/(s12*s34*z34) + (s12*z1)/(s134*s34*z34) + 
   (s13*z1)/(s134*s34*z34) + (2*s14*z1)/(s12*s34*z34) + 
   (s14*z1)/(s134*s34*z34) + (s23*z1)/(s12*s34*z34) - 
   (s13*s23*z1)/(s12^2*s34*z34) - (s13*s23*z1)/(4*s12*s123*s34*z34) + 
   (s13*s23*z1)/(4*s12*s124*s34*z34) - (s13^2*s23*z1)/
    (4*s12^2*s123*s34*z34) + (s13^2*s23*z1)/(4*s12^2*s124*s34*z34) + 
   (s23*z1)/(s134*s34*z34) - (s14*s23*z1)/(s12^2*s34*z34) - 
   (s14*s23*z1)/(4*s12*s123*s34*z34) + (s14*s23*z1)/(4*s12*s124*s34*z34) - 
   (s13*s14*s23*z1)/(2*s12^2*s123*s34*z34) + (s13*s14*s23*z1)/
    (2*s12^2*s124*s34*z34) - (s14^2*s23*z1)/(4*s12^2*s123*s34*z34) + 
   (s14^2*s23*z1)/(4*s12^2*s124*s34*z34) - (s23^2*z1)/(s12^2*s34*z34) + 
   (s23^2*z1)/(4*s12*s123*s34*z34) - (s23^2*z1)/(4*s12*s124*s34*z34) + 
   (s23^3*z1)/(4*s12^2*s123*s34*z34) - (s23^3*z1)/(4*s12^2*s124*s34*z34) - 
   (s23*z1)/(s234*s34*z34) - (s13*s23*z1)/(s12*s234*s34*z34) - 
   (s14*s23*z1)/(s12*s234*s34*z34) - (s23^2*z1)/(s12*s234*s34*z34) + 
   (s24*z1)/(s12*s34*z34) - (s13*s24*z1)/(s12^2*s34*z34) + 
   (s13*s24*z1)/(4*s12*s123*s34*z34) - (s13*s24*z1)/(4*s12*s124*s34*z34) + 
   (s13^2*s24*z1)/(4*s12^2*s123*s34*z34) - 
   (s13^2*s24*z1)/(4*s12^2*s124*s34*z34) + (s24*z1)/(s134*s34*z34) - 
   (s14*s24*z1)/(s12^2*s34*z34) + (s14*s24*z1)/(4*s12*s123*s34*z34) - 
   (s14*s24*z1)/(4*s12*s124*s34*z34) + (s13*s14*s24*z1)/
    (2*s12^2*s123*s34*z34) - (s13*s14*s24*z1)/(2*s12^2*s124*s34*z34) + 
   (s14^2*s24*z1)/(4*s12^2*s123*s34*z34) - 
   (s14^2*s24*z1)/(4*s12^2*s124*s34*z34) - (2*s23*s24*z1)/(s12^2*s34*z34) + 
   (s23^2*s24*z1)/(4*s12^2*s123*s34*z34) - 
   (s23^2*s24*z1)/(4*s12^2*s124*s34*z34) - (s24*z1)/(s234*s34*z34) - 
   (s13*s24*z1)/(s12*s234*s34*z34) - (s14*s24*z1)/(s12*s234*s34*z34) - 
   (2*s23*s24*z1)/(s12*s234*s34*z34) - (s24^2*z1)/(s12^2*s34*z34) - 
   (s24^2*z1)/(4*s12*s123*s34*z34) + (s24^2*z1)/(4*s12*s124*s34*z34) - 
   (s23*s24^2*z1)/(4*s12^2*s123*s34*z34) + 
   (s23*s24^2*z1)/(4*s12^2*s124*s34*z34) - (s24^2*z1)/(s12*s234*s34*z34) - 
   (s24^3*z1)/(4*s12^2*s123*s34*z34) + (s24^3*z1)/(4*s12^2*s124*s34*z34) + 
   (s34*z1)/(2*s12*s123*z34) + (s34*z1)/(2*s12*s124*z34) + 
   (s23*z1^2)/(s12^2*z12*z34) + (s23*z1^2)/(2*s12*s123*z12*z34) - 
   (s23*z1^2)/(2*s12*s124*z12*z34) + (s13*s23*z1^2)/(4*s12^2*s123*z12*z34) - 
   (s13*s23*z1^2)/(4*s12^2*s124*z12*z34) + 
   (s14*s23*z1^2)/(4*s12^2*s123*z12*z34) - 
   (s14*s23*z1^2)/(4*s12^2*s124*z12*z34) + 
   (s23^2*z1^2)/(4*s12^2*s123*z12*z34) - 
   (s23^2*z1^2)/(4*s12^2*s124*z12*z34) + (s24*z1^2)/(s12^2*z12*z34) - 
   (s24*z1^2)/(2*s12*s123*z12*z34) + (s24*z1^2)/(2*s12*s124*z12*z34) - 
   (s13*s24*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s13*s24*z1^2)/(4*s12^2*s124*z12*z34) - 
   (s14*s24*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s14*s24*z1^2)/(4*s12^2*s124*z12*z34) - 
   (s24^2*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s24^2*z1^2)/(4*s12^2*s124*z12*z34) + (s23*z1^2)/(s12*s34*z12*z34) + 
   (s23*z1^2)/(2*s123*s34*z12*z34) - (s23*z1^2)/(2*s124*s34*z12*z34) + 
   (s13*s23*z1^2)/(s12^2*s34*z12*z34) + (3*s13*s23*z1^2)/
    (4*s12*s123*s34*z12*z34) - (3*s13*s23*z1^2)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s23*z1^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^2*s23*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s14*s23*z1^2)/(s12^2*s34*z12*z34) + (3*s14*s23*z1^2)/
    (4*s12*s123*s34*z12*z34) - (3*s14*s23*z1^2)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14*s23*z1^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s14*s23*z1^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14^2*s23*z1^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^2*s23*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s23^2*z1^2)/(s12^2*s34*z12*z34) + (3*s23^2*z1^2)/
    (4*s12*s123*s34*z12*z34) - (3*s23^2*z1^2)/(4*s12*s124*s34*z12*z34) + 
   (s13*s23^2*z1^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s23^2*z1^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s23^2*z1^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s14*s23^2*z1^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^3*z1^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s23^3*z1^2)/(4*s12^2*s124*s34*z12*z34) + (s24*z1^2)/(s12*s34*z12*z34) - 
   (s24*z1^2)/(2*s123*s34*z12*z34) + (s24*z1^2)/(2*s124*s34*z12*z34) + 
   (s13*s24*z1^2)/(s12^2*s34*z12*z34) - (3*s13*s24*z1^2)/
    (4*s12*s123*s34*z12*z34) + (3*s13*s24*z1^2)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s24*z1^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s14*s24*z1^2)/(s12^2*s34*z12*z34) - (3*s14*s24*z1^2)/
    (4*s12*s123*s34*z12*z34) + (3*s14*s24*z1^2)/(4*s12*s124*s34*z12*z34) - 
   (s13*s14*s24*z1^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14*s24*z1^2)/(2*s12^2*s124*s34*z12*z34) - 
   (s14^2*s24*z1^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^2*s24*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (2*s23*s24*z1^2)/(s12^2*s34*z12*z34) + (s23^2*s24*z1^2)/
    (4*s12^2*s123*s34*z12*z34) - (s23^2*s24*z1^2)/
    (4*s12^2*s124*s34*z12*z34) + (s24^2*z1^2)/(s12^2*s34*z12*z34) - 
   (3*s24^2*z1^2)/(4*s12*s123*s34*z12*z34) + 
   (3*s24^2*z1^2)/(4*s12*s124*s34*z12*z34) - (s13*s24^2*z1^2)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s24^2*z1^2)/
    (2*s12^2*s124*s34*z12*z34) - (s14*s24^2*z1^2)/
    (2*s12^2*s123*s34*z12*z34) + (s14*s24^2*z1^2)/
    (2*s12^2*s124*s34*z12*z34) - (s23*s24^2*z1^2)/
    (4*s12^2*s123*s34*z12*z34) + (s23*s24^2*z1^2)/
    (4*s12^2*s124*s34*z12*z34) - (s24^3*z1^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s24^3*z1^2)/(4*s12^2*s124*s34*z12*z34) + (2*z2)/(s12*z34) + 
   z2/(2*s123*z34) + z2/(2*s124*z34) - (s13*z2)/(s12^2*z34) + 
   (s13*z2)/(2*s12*s123*z34) + (s13*z2)/(2*s12*s124*z34) + 
   (s13^2*z2)/(4*s12^2*s123*z34) - (s13^2*z2)/(4*s12^2*s124*z34) - 
   (s13*z2)/(s12*s134*z34) - (s14*z2)/(s12^2*z34) + 
   (s14*z2)/(2*s12*s123*z34) + (s14*z2)/(2*s12*s124*z34) - 
   (s14*z2)/(s12*s134*z34) - (s14^2*z2)/(4*s12^2*s123*z34) + 
   (s14^2*z2)/(4*s12^2*s124*z34) + (s23*z2)/(2*s12*s123*z34) + 
   (s23*z2)/(2*s12*s124*z34) - (s13*s23*z2)/(4*s12^2*s123*z34) + 
   (s13*s23*z2)/(4*s12^2*s124*z34) + (s14*s23*z2)/(4*s12^2*s123*z34) - 
   (s14*s23*z2)/(4*s12^2*s124*z34) + z2/(s234*z34) + 
   (s24*z2)/(2*s12*s123*z34) + (s24*z2)/(2*s12*s124*z34) - 
   (s13*s24*z2)/(4*s12^2*s123*z34) + (s13*s24*z2)/(4*s12^2*s124*z34) + 
   (s14*s24*z2)/(4*s12^2*s123*z34) - (s14*s24*z2)/(4*s12^2*s124*z34) + 
   (2*z2)/(s34*z34) + (s13*z2)/(s12*s34*z34) - (s13^2*z2)/(s12^2*s34*z34) + 
   (s13^2*z2)/(4*s12*s123*s34*z34) - (s13^2*z2)/(4*s12*s124*s34*z34) + 
   (s13^3*z2)/(4*s12^2*s123*s34*z34) - (s13^3*z2)/(4*s12^2*s124*s34*z34) - 
   (s13*z2)/(s134*s34*z34) - (s13^2*z2)/(s12*s134*s34*z34) + 
   (s14*z2)/(s12*s34*z34) - (2*s13*s14*z2)/(s12^2*s34*z34) + 
   (s13^2*s14*z2)/(4*s12^2*s123*s34*z34) - 
   (s13^2*s14*z2)/(4*s12^2*s124*s34*z34) - (s14*z2)/(s134*s34*z34) - 
   (2*s13*s14*z2)/(s12*s134*s34*z34) - (s14^2*z2)/(s12^2*s34*z34) - 
   (s14^2*z2)/(4*s12*s123*s34*z34) + (s14^2*z2)/(4*s12*s124*s34*z34) - 
   (s13*s14^2*z2)/(4*s12^2*s123*s34*z34) + 
   (s13*s14^2*z2)/(4*s12^2*s124*s34*z34) - (s14^2*z2)/(s12*s134*s34*z34) - 
   (s14^3*z2)/(4*s12^2*s123*s34*z34) + (s14^3*z2)/(4*s12^2*s124*s34*z34) + 
   (2*s23*z2)/(s12*s34*z34) - (s13*s23*z2)/(s12^2*s34*z34) - 
   (s13*s23*z2)/(4*s12*s123*s34*z34) + (s13*s23*z2)/(4*s12*s124*s34*z34) - 
   (s13*s23*z2)/(s12*s134*s34*z34) - (s14*s23*z2)/(s12^2*s34*z34) + 
   (s14*s23*z2)/(4*s12*s123*s34*z34) - (s14*s23*z2)/(4*s12*s124*s34*z34) - 
   (s14*s23*z2)/(s12*s134*s34*z34) - (s13*s23^2*z2)/(4*s12^2*s123*s34*z34) + 
   (s13*s23^2*z2)/(4*s12^2*s124*s34*z34) + 
   (s14*s23^2*z2)/(4*s12^2*s123*s34*z34) - 
   (s14*s23^2*z2)/(4*s12^2*s124*s34*z34) + (s12*z2)/(s234*s34*z34) + 
   (s13*z2)/(s234*s34*z34) + (s14*z2)/(s234*s34*z34) + 
   (s23*z2)/(s234*s34*z34) + (2*s24*z2)/(s12*s34*z34) - 
   (s13*s24*z2)/(s12^2*s34*z34) - (s13*s24*z2)/(4*s12*s123*s34*z34) + 
   (s13*s24*z2)/(4*s12*s124*s34*z34) - (s13*s24*z2)/(s12*s134*s34*z34) - 
   (s14*s24*z2)/(s12^2*s34*z34) + (s14*s24*z2)/(4*s12*s123*s34*z34) - 
   (s14*s24*z2)/(4*s12*s124*s34*z34) - (s14*s24*z2)/(s12*s134*s34*z34) - 
   (s13*s23*s24*z2)/(2*s12^2*s123*s34*z34) + (s13*s23*s24*z2)/
    (2*s12^2*s124*s34*z34) + (s14*s23*s24*z2)/(2*s12^2*s123*s34*z34) - 
   (s14*s23*s24*z2)/(2*s12^2*s124*s34*z34) + (s24*z2)/(s234*s34*z34) - 
   (s13*s24^2*z2)/(4*s12^2*s123*s34*z34) + 
   (s13*s24^2*z2)/(4*s12^2*s124*s34*z34) + 
   (s14*s24^2*z2)/(4*s12^2*s123*s34*z34) - 
   (s14*s24^2*z2)/(4*s12^2*s124*s34*z34) + (s34*z2)/(2*s12*s123*z34) + 
   (s34*z2)/(2*s12*s124*z34) - (4*z1^2*z2)/(s12*z12^2*z34) - 
   (2*s13*z1^2*z2)/(s12^2*z12^2*z34) - (2*s14*z1^2*z2)/(s12^2*z12^2*z34) - 
   (2*s23*z1^2*z2)/(s12^2*z12^2*z34) - (2*s24*z1^2*z2)/(s12^2*z12^2*z34) - 
   (4*z1^2*z2)/(s34*z12^2*z34) - (6*s13*z1^2*z2)/(s12*s34*z12^2*z34) - 
   (2*s13^2*z1^2*z2)/(s12^2*s34*z12^2*z34) - 
   (6*s14*z1^2*z2)/(s12*s34*z12^2*z34) - (4*s13*s14*z1^2*z2)/
    (s12^2*s34*z12^2*z34) - (2*s14^2*z1^2*z2)/(s12^2*s34*z12^2*z34) - 
   (6*s23*z1^2*z2)/(s12*s34*z12^2*z34) - (4*s13*s23*z1^2*z2)/
    (s12^2*s34*z12^2*z34) - (4*s14*s23*z1^2*z2)/(s12^2*s34*z12^2*z34) - 
   (2*s23^2*z1^2*z2)/(s12^2*s34*z12^2*z34) - 
   (6*s24*z1^2*z2)/(s12*s34*z12^2*z34) - (4*s13*s24*z1^2*z2)/
    (s12^2*s34*z12^2*z34) - (4*s14*s24*z1^2*z2)/(s12^2*s34*z12^2*z34) - 
   (4*s23*s24*z1^2*z2)/(s12^2*s34*z12^2*z34) - 
   (2*s24^2*z1^2*z2)/(s12^2*s34*z12^2*z34) + (4*z1*z2)/(s12*z12*z34) + 
   (3*s13*z1*z2)/(s12^2*z12*z34) - (s13*z1*z2)/(2*s12*s123*z12*z34) + 
   (s13*z1*z2)/(2*s12*s124*z12*z34) - (s13^2*z1*z2)/(4*s12^2*s123*z12*z34) + 
   (s13^2*z1*z2)/(4*s12^2*s124*z12*z34) + (2*z1*z2)/(s134*z12*z34) + 
   (s13*z1*z2)/(s12*s134*z12*z34) + (3*s14*z1*z2)/(s12^2*z12*z34) + 
   (s14*z1*z2)/(2*s12*s123*z12*z34) - (s14*z1*z2)/(2*s12*s124*z12*z34) + 
   (s14*z1*z2)/(s12*s134*z12*z34) + (s14^2*z1*z2)/(4*s12^2*s123*z12*z34) - 
   (s14^2*z1*z2)/(4*s12^2*s124*z12*z34) + (3*s23*z1*z2)/(s12^2*z12*z34) - 
   (s23*z1*z2)/(2*s12*s123*z12*z34) + (s23*z1*z2)/(2*s12*s124*z12*z34) - 
   (s13*s23*z1*z2)/(2*s12^2*s123*z12*z34) + (s13*s23*z1*z2)/
    (2*s12^2*s124*z12*z34) + (s23*z1*z2)/(s12*s134*z12*z34) - 
   (s23^2*z1*z2)/(4*s12^2*s123*z12*z34) + 
   (s23^2*z1*z2)/(4*s12^2*s124*z12*z34) + (2*z1*z2)/(s234*z12*z34) + 
   (s13*z1*z2)/(s12*s234*z12*z34) + (s14*z1*z2)/(s12*s234*z12*z34) + 
   (s23*z1*z2)/(s12*s234*z12*z34) + (3*s24*z1*z2)/(s12^2*z12*z34) + 
   (s24*z1*z2)/(2*s12*s123*z12*z34) - (s24*z1*z2)/(2*s12*s124*z12*z34) + 
   (s24*z1*z2)/(s12*s134*z12*z34) + (s14*s24*z1*z2)/(2*s12^2*s123*z12*z34) - 
   (s14*s24*z1*z2)/(2*s12^2*s124*z12*z34) + (s24*z1*z2)/(s12*s234*z12*z34) + 
   (s24^2*z1*z2)/(4*s12^2*s123*z12*z34) - 
   (s24^2*z1*z2)/(4*s12^2*s124*z12*z34) + (4*z1*z2)/(s34*z12*z34) + 
   (7*s13*z1*z2)/(s12*s34*z12*z34) - (s13*z1*z2)/(2*s123*s34*z12*z34) + 
   (s13*z1*z2)/(2*s124*s34*z12*z34) + (3*s13^2*z1*z2)/(s12^2*s34*z12*z34) - 
   (3*s13^2*z1*z2)/(4*s12*s123*s34*z12*z34) + 
   (3*s13^2*z1*z2)/(4*s12*s124*s34*z12*z34) - 
   (s13^3*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^3*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (2*s12*z1*z2)/(s134*s34*z12*z34) + (3*s13*z1*z2)/(s134*s34*z12*z34) + 
   (s13^2*z1*z2)/(s12*s134*s34*z12*z34) + (7*s14*z1*z2)/(s12*s34*z12*z34) + 
   (s14*z1*z2)/(2*s123*s34*z12*z34) - (s14*z1*z2)/(2*s124*s34*z12*z34) + 
   (6*s13*s14*z1*z2)/(s12^2*s34*z12*z34) - (s13^2*s14*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) + (s13^2*s14*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) + (3*s14*z1*z2)/(s134*s34*z12*z34) + 
   (2*s13*s14*z1*z2)/(s12*s134*s34*z12*z34) + 
   (3*s14^2*z1*z2)/(s12^2*s34*z12*z34) + (3*s14^2*z1*z2)/
    (4*s12*s123*s34*z12*z34) - (3*s14^2*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14^2*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13*s14^2*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (s14^2*z1*z2)/(s12*s134*s34*z12*z34) + 
   (s14^3*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^3*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (7*s23*z1*z2)/(s12*s34*z12*z34) - (s23*z1*z2)/(2*s123*s34*z12*z34) + 
   (s23*z1*z2)/(2*s124*s34*z12*z34) + (6*s13*s23*z1*z2)/(s12^2*s34*z12*z34) - 
   (3*s13*s23*z1*z2)/(2*s12*s123*s34*z12*z34) + 
   (3*s13*s23*z1*z2)/(2*s12*s124*s34*z12*z34) - 
   (3*s13^2*s23*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (3*s13^2*s23*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (3*s23*z1*z2)/(s134*s34*z12*z34) + (2*s13*s23*z1*z2)/
    (s12*s134*s34*z12*z34) + (6*s14*s23*z1*z2)/(s12^2*s34*z12*z34) - 
   (s13*s14*s23*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14*s23*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (2*s14*s23*z1*z2)/(s12*s134*s34*z12*z34) + 
   (s14^2*s23*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^2*s23*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (3*s23^2*z1*z2)/(s12^2*s34*z12*z34) - (3*s23^2*z1*z2)/
    (4*s12*s123*s34*z12*z34) + (3*s23^2*z1*z2)/(4*s12*s124*s34*z12*z34) - 
   (3*s13*s23^2*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (3*s13*s23^2*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (s23^2*z1*z2)/(s12*s134*s34*z12*z34) - (s14*s23^2*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) + (s14*s23^2*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) - (s23^3*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s23^3*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (2*s12*z1*z2)/(s234*s34*z12*z34) + (3*s13*z1*z2)/(s234*s34*z12*z34) + 
   (s13^2*z1*z2)/(s12*s234*s34*z12*z34) + (3*s14*z1*z2)/(s234*s34*z12*z34) + 
   (2*s13*s14*z1*z2)/(s12*s234*s34*z12*z34) + 
   (s14^2*z1*z2)/(s12*s234*s34*z12*z34) + (3*s23*z1*z2)/(s234*s34*z12*z34) + 
   (2*s13*s23*z1*z2)/(s12*s234*s34*z12*z34) + 
   (2*s14*s23*z1*z2)/(s12*s234*s34*z12*z34) + 
   (s23^2*z1*z2)/(s12*s234*s34*z12*z34) + (7*s24*z1*z2)/(s12*s34*z12*z34) + 
   (s24*z1*z2)/(2*s123*s34*z12*z34) - (s24*z1*z2)/(2*s124*s34*z12*z34) + 
   (6*s13*s24*z1*z2)/(s12^2*s34*z12*z34) - (s13^2*s24*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) + (s13^2*s24*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) + (3*s24*z1*z2)/(s134*s34*z12*z34) + 
   (2*s13*s24*z1*z2)/(s12*s134*s34*z12*z34) + 
   (6*s14*s24*z1*z2)/(s12^2*s34*z12*z34) + (3*s14*s24*z1*z2)/
    (2*s12*s123*s34*z12*z34) - (3*s14*s24*z1*z2)/(2*s12*s124*s34*z12*z34) + 
   (s13*s14*s24*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s14*s24*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (2*s14*s24*z1*z2)/(s12*s134*s34*z12*z34) + (3*s14^2*s24*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) - (3*s14^2*s24*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) + (6*s23*s24*z1*z2)/(s12^2*s34*z12*z34) - 
   (s13*s23*s24*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s23*s24*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (2*s23*s24*z1*z2)/(s12*s134*s34*z12*z34) + (s14*s23*s24*z1*z2)/
    (2*s12^2*s123*s34*z12*z34) - (s14*s23*s24*z1*z2)/
    (2*s12^2*s124*s34*z12*z34) - (s23^2*s24*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) + (s23^2*s24*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) + (3*s24*z1*z2)/(s234*s34*z12*z34) + 
   (2*s13*s24*z1*z2)/(s12*s234*s34*z12*z34) + 
   (2*s14*s24*z1*z2)/(s12*s234*s34*z12*z34) + 
   (2*s23*s24*z1*z2)/(s12*s234*s34*z12*z34) + 
   (3*s24^2*z1*z2)/(s12^2*s34*z12*z34) + (3*s24^2*z1*z2)/
    (4*s12*s123*s34*z12*z34) - (3*s24^2*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (s13*s24^2*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13*s24^2*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (s24^2*z1*z2)/(s12*s134*s34*z12*z34) + (3*s14*s24^2*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) - (3*s14*s24^2*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) + (s23*s24^2*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) - (s23*s24^2*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) + (s24^2*z1*z2)/(s12*s234*s34*z12*z34) + 
   (s24^3*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s24^3*z1*z2)/(4*s12^2*s124*s34*z12*z34) - (4*z1*z2^2)/(s12*z12^2*z34) - 
   (2*s13*z1*z2^2)/(s12^2*z12^2*z34) - (2*s14*z1*z2^2)/(s12^2*z12^2*z34) - 
   (2*s23*z1*z2^2)/(s12^2*z12^2*z34) - (2*s24*z1*z2^2)/(s12^2*z12^2*z34) - 
   (4*z1*z2^2)/(s34*z12^2*z34) - (6*s13*z1*z2^2)/(s12*s34*z12^2*z34) - 
   (2*s13^2*z1*z2^2)/(s12^2*s34*z12^2*z34) - 
   (6*s14*z1*z2^2)/(s12*s34*z12^2*z34) - (4*s13*s14*z1*z2^2)/
    (s12^2*s34*z12^2*z34) - (2*s14^2*z1*z2^2)/(s12^2*s34*z12^2*z34) - 
   (6*s23*z1*z2^2)/(s12*s34*z12^2*z34) - (4*s13*s23*z1*z2^2)/
    (s12^2*s34*z12^2*z34) - (4*s14*s23*z1*z2^2)/(s12^2*s34*z12^2*z34) - 
   (2*s23^2*z1*z2^2)/(s12^2*s34*z12^2*z34) - 
   (6*s24*z1*z2^2)/(s12*s34*z12^2*z34) - (4*s13*s24*z1*z2^2)/
    (s12^2*s34*z12^2*z34) - (4*s14*s24*z1*z2^2)/(s12^2*s34*z12^2*z34) - 
   (4*s23*s24*z1*z2^2)/(s12^2*s34*z12^2*z34) - 
   (2*s24^2*z1*z2^2)/(s12^2*s34*z12^2*z34) + (s13*z2^2)/(s12^2*z12*z34) + 
   (s13*z2^2)/(2*s12*s123*z12*z34) - (s13*z2^2)/(2*s12*s124*z12*z34) + 
   (s13^2*z2^2)/(4*s12^2*s123*z12*z34) - 
   (s13^2*z2^2)/(4*s12^2*s124*z12*z34) + (s14*z2^2)/(s12^2*z12*z34) - 
   (s14*z2^2)/(2*s12*s123*z12*z34) + (s14*z2^2)/(2*s12*s124*z12*z34) - 
   (s14^2*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s14^2*z2^2)/(4*s12^2*s124*z12*z34) + (s13*s23*z2^2)/
    (4*s12^2*s123*z12*z34) - (s13*s23*z2^2)/(4*s12^2*s124*z12*z34) - 
   (s14*s23*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s14*s23*z2^2)/(4*s12^2*s124*z12*z34) + 
   (s13*s24*z2^2)/(4*s12^2*s123*z12*z34) - 
   (s13*s24*z2^2)/(4*s12^2*s124*z12*z34) - 
   (s14*s24*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s14*s24*z2^2)/(4*s12^2*s124*z12*z34) + (s13*z2^2)/(s12*s34*z12*z34) + 
   (s13*z2^2)/(2*s123*s34*z12*z34) - (s13*z2^2)/(2*s124*s34*z12*z34) + 
   (s13^2*z2^2)/(s12^2*s34*z12*z34) + (3*s13^2*z2^2)/
    (4*s12*s123*s34*z12*z34) - (3*s13^2*z2^2)/(4*s12*s124*s34*z12*z34) + 
   (s13^3*z2^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^3*z2^2)/(4*s12^2*s124*s34*z12*z34) + (s14*z2^2)/(s12*s34*z12*z34) - 
   (s14*z2^2)/(2*s123*s34*z12*z34) + (s14*z2^2)/(2*s124*s34*z12*z34) + 
   (2*s13*s14*z2^2)/(s12^2*s34*z12*z34) + (s13^2*s14*z2^2)/
    (4*s12^2*s123*s34*z12*z34) - (s13^2*s14*z2^2)/
    (4*s12^2*s124*s34*z12*z34) + (s14^2*z2^2)/(s12^2*s34*z12*z34) - 
   (3*s14^2*z2^2)/(4*s12*s123*s34*z12*z34) + 
   (3*s14^2*z2^2)/(4*s12*s124*s34*z12*z34) - (s13*s14^2*z2^2)/
    (4*s12^2*s123*s34*z12*z34) + (s13*s14^2*z2^2)/
    (4*s12^2*s124*s34*z12*z34) - (s14^3*z2^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^3*z2^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s13*s23*z2^2)/(s12^2*s34*z12*z34) + (3*s13*s23*z2^2)/
    (4*s12*s123*s34*z12*z34) - (3*s13*s23*z2^2)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s23*z2^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s23*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s23*z2^2)/(s12^2*s34*z12*z34) - (3*s14*s23*z2^2)/
    (4*s12*s123*s34*z12*z34) + (3*s14*s23*z2^2)/(4*s12*s124*s34*z12*z34) - 
   (s14^2*s23*z2^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s13*s23^2*z2^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13*s23^2*z2^2)/(4*s12^2*s124*s34*z12*z34) - 
   (s14*s23^2*z2^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s14*s23^2*z2^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s13*s24*z2^2)/(s12^2*s34*z12*z34) + (3*s13*s24*z2^2)/
    (4*s12*s123*s34*z12*z34) - (3*s13*s24*z2^2)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z2^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s24*z2^2)/(s12^2*s34*z12*z34) - (3*s14*s24*z2^2)/
    (4*s12*s123*s34*z12*z34) + (3*s14*s24*z2^2)/(4*s12*s124*s34*z12*z34) - 
   (s14^2*s24*z2^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s24*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s13*s23*s24*z2^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s23*s24*z2^2)/(2*s12^2*s124*s34*z12*z34) - 
   (s14*s23*s24*z2^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23*s24*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s13*s24^2*z2^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13*s24^2*z2^2)/(4*s12^2*s124*s34*z12*z34) - 
   (s14*s24^2*z2^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s14*s24^2*z2^2)/(4*s12^2*s124*s34*z12*z34) + z3/(s12*z34) - 
   z3/(2*s123*z34) + z3/(2*s124*z34) - (7*s13*z3)/(4*s12*s123*z34) + 
   (3*s13*z3)/(4*s12*s124*z34) - (2*s12*z3)/(s123*s134*z34) - 
   (4*s13*z3)/(s123*s134*z34) - (7*s14*z3)/(4*s12*s123*z34) - 
   (s14*z3)/(4*s12*s124*z34) - (4*s14*z3)/(s123*s134*z34) - 
   (7*s23*z3)/(4*s12*s123*z34) + (3*s23*z3)/(4*s12*s124*z34) - 
   (s13*s23*z3)/(s12^2*s123*z34) - (2*s23*z3)/(s123*s134*z34) - 
   (s14*s23*z3)/(2*s12^2*s123*z34) - (s14*s23*z3)/(2*s12^2*s124*z34) + 
   (s12*z3)/(s123*s234*z34) + (s13*z3)/(s123*s234*z34) + 
   (s14*z3)/(s123*s234*z34) + (2*s23*z3)/(s123*s234*z34) - 
   (7*s24*z3)/(4*s12*s123*z34) - (s24*z3)/(4*s12*s124*z34) - 
   (s13*s24*z3)/(2*s12^2*s123*z34) - (s13*s24*z3)/(2*s12^2*s124*z34) - 
   (2*s24*z3)/(s123*s134*z34) - (s14*s24*z3)/(s12^2*s124*z34) + 
   (2*s24*z3)/(s123*s234*z34) - (s13*z3)/(s34^2*z34) - 
   (s13^2*z3)/(s12*s34^2*z34) - (s12*s13*z3)/(2*s134*s34^2*z34) - 
   (s13^2*z3)/(2*s134*s34^2*z34) - (3*s14*z3)/(s34^2*z34) - 
   (4*s13*s14*z3)/(s12*s34^2*z34) - (3*s12*s14*z3)/(2*s134*s34^2*z34) - 
   (2*s13*s14*z3)/(s134*s34^2*z34) - (3*s14^2*z3)/(s12*s34^2*z34) - 
   (3*s14^2*z3)/(2*s134*s34^2*z34) - (s23*z3)/(s34^2*z34) - 
   (4*s13*s23*z3)/(s12*s34^2*z34) - (2*s13^2*s23*z3)/(s12^2*s34^2*z34) - 
   (s13*s23*z3)/(s134*s34^2*z34) - (s13^2*s23*z3)/(2*s12*s134*s34^2*z34) - 
   (5*s14*s23*z3)/(s12*s34^2*z34) - (3*s13*s14*s23*z3)/(s12^2*s34^2*z34) - 
   (2*s14*s23*z3)/(s134*s34^2*z34) - (s13*s14*s23*z3)/(s12*s134*s34^2*z34) - 
   (s14^2*s23*z3)/(s12^2*s34^2*z34) - (s14^2*s23*z3)/(2*s12*s134*s34^2*z34) - 
   (s23^2*z3)/(s12*s34^2*z34) - (2*s13*s23^2*z3)/(s12^2*s34^2*z34) - 
   (s13*s23^2*z3)/(2*s12*s134*s34^2*z34) - (s14*s23^2*z3)/(s12^2*s34^2*z34) - 
   (s14*s23^2*z3)/(2*s12*s134*s34^2*z34) - (s12*s23*z3)/(2*s234*s34^2*z34) - 
   (s13*s23*z3)/(s234*s34^2*z34) - (s13^2*s23*z3)/(2*s12*s234*s34^2*z34) + 
   (s14^2*s23*z3)/(2*s12*s234*s34^2*z34) - (s23^2*z3)/(2*s234*s34^2*z34) - 
   (s13*s23^2*z3)/(2*s12*s234*s34^2*z34) + 
   (s14*s23^2*z3)/(2*s12*s234*s34^2*z34) - (3*s24*z3)/(s34^2*z34) - 
   (5*s13*s24*z3)/(s12*s34^2*z34) - (s13^2*s24*z3)/(s12^2*s34^2*z34) + 
   (s13^2*s24*z3)/(2*s12*s134*s34^2*z34) - (6*s14*s24*z3)/(s12*s34^2*z34) - 
   (s13*s14*s24*z3)/(s12^2*s34^2*z34) - (s14*s24*z3)/(s134*s34^2*z34) + 
   (s13*s14*s24*z3)/(s12*s134*s34^2*z34) + 
   (s14^2*s24*z3)/(2*s12*s134*s34^2*z34) - (4*s23*s24*z3)/(s12*s34^2*z34) - 
   (3*s13*s23*s24*z3)/(s12^2*s34^2*z34) - (s14*s23*s24*z3)/
    (s12^2*s34^2*z34) - (3*s12*s24*z3)/(2*s234*s34^2*z34) - 
   (2*s13*s24*z3)/(s234*s34^2*z34) - (s13^2*s24*z3)/(2*s12*s234*s34^2*z34) - 
   (s14*s24*z3)/(s234*s34^2*z34) + (s14^2*s24*z3)/(2*s12*s234*s34^2*z34) - 
   (2*s23*s24*z3)/(s234*s34^2*z34) - (s13*s23*s24*z3)/(s12*s234*s34^2*z34) + 
   (s14*s23*s24*z3)/(s12*s234*s34^2*z34) - (3*s24^2*z3)/(s12*s34^2*z34) - 
   (s13*s24^2*z3)/(s12^2*s34^2*z34) + (s13*s24^2*z3)/(2*s12*s134*s34^2*z34) + 
   (s14*s24^2*z3)/(2*s12*s134*s34^2*z34) - (3*s24^2*z3)/(2*s234*s34^2*z34) - 
   (s13*s24^2*z3)/(2*s12*s234*s34^2*z34) + 
   (s14*s24^2*z3)/(2*s12*s234*s34^2*z34) + z3/(s34*z34) - 
   (5*s13*z3)/(4*s123*s34*z34) + (s13*z3)/(4*s124*s34*z34) - 
   (5*s13^2*z3)/(4*s12*s123*s34*z34) + (s13^2*z3)/(4*s12*s124*s34*z34) - 
   (s13*z3)/(2*s134*s34*z34) - (2*s12*s13*z3)/(s123*s134*s34*z34) - 
   (2*s13^2*z3)/(s123*s134*s34*z34) - (2*s14*z3)/(s12*s34*z34) - 
   (5*s14*z3)/(4*s123*s34*z34) - (3*s14*z3)/(4*s124*s34*z34) - 
   (5*s13*s14*z3)/(2*s12*s123*s34*z34) - (s13*s14*z3)/(2*s12*s124*s34*z34) - 
   (3*s14*z3)/(2*s134*s34*z34) - (2*s12*s14*z3)/(s123*s134*s34*z34) - 
   (4*s13*s14*z3)/(s123*s134*s34*z34) - (5*s14^2*z3)/(4*s12*s123*s34*z34) - 
   (3*s14^2*z3)/(4*s12*s124*s34*z34) - (2*s14^2*z3)/(s123*s134*s34*z34) - 
   (5*s23*z3)/(4*s123*s34*z34) + (s23*z3)/(4*s124*s34*z34) - 
   (2*s13*s23*z3)/(s12^2*s34*z34) - (7*s13*s23*z3)/(2*s12*s123*s34*z34) + 
   (s13*s23*z3)/(2*s12*s124*s34*z34) - (s13^2*s23*z3)/(s12^2*s123*s34*z34) - 
   (s13*s23*z3)/(2*s12*s134*s34*z34) - (2*s13*s23*z3)/(s123*s134*s34*z34) - 
   (s14*s23*z3)/(s12^2*s34*z34) - (3*s14*s23*z3)/(s12*s123*s34*z34) - 
   (s14*s23*z3)/(s12*s124*s34*z34) - (3*s13*s14*s23*z3)/
    (2*s12^2*s123*s34*z34) - (s13*s14*s23*z3)/(2*s12^2*s124*s34*z34) - 
   (s14*s23*z3)/(2*s12*s134*s34*z34) - (2*s14*s23*z3)/(s123*s134*s34*z34) - 
   (s14^2*s23*z3)/(2*s12^2*s123*s34*z34) - 
   (s14^2*s23*z3)/(2*s12^2*s124*s34*z34) - 
   (5*s23^2*z3)/(4*s12*s123*s34*z34) + (s23^2*z3)/(4*s12*s124*s34*z34) - 
   (s13*s23^2*z3)/(s12^2*s123*s34*z34) - (s14*s23^2*z3)/
    (2*s12^2*s123*s34*z34) - (s14*s23^2*z3)/(2*s12^2*s124*s34*z34) - 
   (s23*z3)/(2*s234*s34*z34) + (s12*s23*z3)/(s123*s234*s34*z34) - 
   (s13*s23*z3)/(2*s12*s234*s34*z34) + (s13*s23*z3)/(s123*s234*s34*z34) + 
   (s14*s23*z3)/(2*s12*s234*s34*z34) + (s14*s23*z3)/(s123*s234*s34*z34) + 
   (s23^2*z3)/(s123*s234*s34*z34) - (2*s24*z3)/(s12*s34*z34) - 
   (5*s24*z3)/(4*s123*s34*z34) - (3*s24*z3)/(4*s124*s34*z34) - 
   (s13*s24*z3)/(s12^2*s34*z34) - (3*s13*s24*z3)/(s12*s123*s34*z34) - 
   (s13*s24*z3)/(s12*s124*s34*z34) - (s13^2*s24*z3)/(2*s12^2*s123*s34*z34) - 
   (s13^2*s24*z3)/(2*s12^2*s124*s34*z34) + 
   (s13*s24*z3)/(2*s12*s134*s34*z34) - (2*s13*s24*z3)/(s123*s134*s34*z34) - 
   (5*s14*s24*z3)/(2*s12*s123*s34*z34) - (5*s14*s24*z3)/
    (2*s12*s124*s34*z34) - (s13*s14*s24*z3)/(2*s12^2*s123*s34*z34) - 
   (3*s13*s14*s24*z3)/(2*s12^2*s124*s34*z34) + 
   (s14*s24*z3)/(2*s12*s134*s34*z34) - (2*s14*s24*z3)/(s123*s134*s34*z34) - 
   (s14^2*s24*z3)/(s12^2*s124*s34*z34) - (5*s23*s24*z3)/
    (2*s12*s123*s34*z34) - (s23*s24*z3)/(2*s12*s124*s34*z34) - 
   (3*s13*s23*s24*z3)/(2*s12^2*s123*s34*z34) - 
   (s13*s23*s24*z3)/(2*s12^2*s124*s34*z34) - (s14*s23*s24*z3)/
    (2*s12^2*s123*s34*z34) - (3*s14*s23*s24*z3)/(2*s12^2*s124*s34*z34) - 
   (3*s24*z3)/(2*s234*s34*z34) + (s12*s24*z3)/(s123*s234*s34*z34) - 
   (s13*s24*z3)/(2*s12*s234*s34*z34) + (s13*s24*z3)/(s123*s234*s34*z34) + 
   (s14*s24*z3)/(2*s12*s234*s34*z34) + (s14*s24*z3)/(s123*s234*s34*z34) + 
   (2*s23*s24*z3)/(s123*s234*s34*z34) - (5*s24^2*z3)/(4*s12*s123*s34*z34) - 
   (3*s24^2*z3)/(4*s12*s124*s34*z34) - (s13*s24^2*z3)/
    (2*s12^2*s123*s34*z34) - (s13*s24^2*z3)/(2*s12^2*s124*s34*z34) - 
   (s14*s24^2*z3)/(s12^2*s124*s34*z34) + (s24^2*z3)/(s123*s234*s34*z34) - 
   (s34*z3)/(2*s12*s123*z34) + (s34*z3)/(2*s12*s124*z34) - 
   (2*s34*z3)/(s123*s134*z34) + (s34*z3)/(s123*s234*z34) - 
   (z1*z3)/(s12*z12*z34) - (z1*z3)/(2*s123*z12*z34) + 
   (z1*z3)/(2*s124*z12*z34) - (s13*z1*z3)/(4*s12*s123*z12*z34) + 
   (s13*z1*z3)/(4*s12*s124*z12*z34) - (s14*z1*z3)/(4*s12*s123*z12*z34) + 
   (s14*z1*z3)/(4*s12*s124*z12*z34) + (5*s23*z1*z3)/(4*s12*s123*z12*z34) + 
   (3*s23*z1*z3)/(4*s12*s124*z12*z34) + (s13*s23*z1*z3)/
    (s12^2*s123*z12*z34) + (s14*s23*z1*z3)/(2*s12^2*s123*z12*z34) + 
   (s14*s23*z1*z3)/(2*s12^2*s124*z12*z34) + 
   (s23^2*z1*z3)/(s12^2*s123*z12*z34) + (s24*z1*z3)/(4*s12*s123*z12*z34) + 
   (7*s24*z1*z3)/(4*s12*s124*z12*z34) + (s13*s24*z1*z3)/
    (2*s12^2*s123*z12*z34) + (s13*s24*z1*z3)/(2*s12^2*s124*z12*z34) + 
   (s14*s24*z1*z3)/(s12^2*s124*z12*z34) + (s23*s24*z1*z3)/
    (s12^2*s123*z12*z34) + (s23*s24*z1*z3)/(s12^2*s124*z12*z34) + 
   (s24^2*z1*z3)/(s12^2*s124*z12*z34) + (3*s23*z1*z3)/(s34^2*z12*z34) + 
   (5*s13*s23*z1*z3)/(s12*s34^2*z12*z34) + (2*s13^2*s23*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s12*s23*z1*z3)/(2*s134*s34^2*z12*z34) + 
   (3*s13*s23*z1*z3)/(4*s134*s34^2*z12*z34) + 
   (s13^2*s23*z1*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (4*s14*s23*z1*z3)/(s12*s34^2*z12*z34) + (3*s13*s14*s23*z1*z3)/
    (s12^2*s34^2*z12*z34) + (3*s14*s23*z1*z3)/(4*s134*s34^2*z12*z34) + 
   (s13*s14*s23*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*s23*z1*z3)/(s12^2*s34^2*z12*z34) + (s14^2*s23*z1*z3)/
    (4*s12*s134*s34^2*z12*z34) + (5*s23^2*z1*z3)/(s12*s34^2*z12*z34) + 
   (4*s13*s23^2*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (3*s23^2*z1*z3)/(4*s134*s34^2*z12*z34) + (s13*s23^2*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) + (3*s14*s23^2*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (s14*s23^2*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (2*s23^3*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (s23^3*z1*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s12*s23*z1*z3)/(2*s234*s34^2*z12*z34) + (3*s13*s23*z1*z3)/
    (4*s234*s34^2*z12*z34) + (s13^2*s23*z1*z3)/(4*s12*s234*s34^2*z12*z34) + 
   (3*s14*s23*z1*z3)/(4*s234*s34^2*z12*z34) + (s13*s14*s23*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s23*z1*z3)/
    (4*s12*s234*s34^2*z12*z34) + (3*s23^2*z1*z3)/(4*s234*s34^2*z12*z34) + 
   (s13*s23^2*z1*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s23^2*z1*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s23^3*z1*z3)/(4*s12*s234*s34^2*z12*z34) + (s24*z1*z3)/(s34^2*z12*z34) + 
   (2*s13*s24*z1*z3)/(s12*s34^2*z12*z34) + (s13^2*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) - (s12*s24*z1*z3)/(2*s134*s34^2*z12*z34) - 
   (3*s13*s24*z1*z3)/(4*s134*s34^2*z12*z34) - 
   (s13^2*s24*z1*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s14*s24*z1*z3)/(s12*s34^2*z12*z34) + (s13*s14*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) - (3*s14*s24*z1*z3)/(4*s134*s34^2*z12*z34) - 
   (s13*s14*s24*z1*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^2*s24*z1*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (6*s23*s24*z1*z3)/(s12*s34^2*z12*z34) + (5*s13*s23*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) + (3*s14*s23*s24*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (4*s23^2*s24*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (s23^2*s24*z1*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (s12*s24*z1*z3)/(2*s234*s34^2*z12*z34) - (3*s13*s24*z1*z3)/
    (4*s234*s34^2*z12*z34) - (s13^2*s24*z1*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (3*s14*s24*z1*z3)/(4*s234*s34^2*z12*z34) - (s13*s14*s24*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s14^2*s24*z1*z3)/
    (4*s12*s234*s34^2*z12*z34) + (s23^2*s24*z1*z3)/
    (4*s12*s234*s34^2*z12*z34) + (s24^2*z1*z3)/(s12*s34^2*z12*z34) + 
   (s13*s24^2*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s24^2*z1*z3)/(4*s134*s34^2*z12*z34) - (s13*s24^2*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) - (s14*s24^2*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) + (2*s23*s24^2*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s23*s24^2*z1*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (3*s24^2*z1*z3)/(4*s234*s34^2*z12*z34) - (s13*s24^2*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s14*s24^2*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s23*s24^2*z1*z3)/
    (4*s12*s234*s34^2*z12*z34) - (s24^3*z1*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (s24^3*z1*z3)/(4*s12*s234*s34^2*z12*z34) - (z1*z3)/(s34*z12*z34) - 
   (s12*z1*z3)/(2*s123*s34*z12*z34) + (s12*z1*z3)/(2*s124*s34*z12*z34) - 
   (s13*z1*z3)/(s12*s34*z12*z34) - (3*s13*z1*z3)/(4*s123*s34*z12*z34) + 
   (3*s13*z1*z3)/(4*s124*s34*z12*z34) - (s13^2*z1*z3)/
    (4*s12*s123*s34*z12*z34) + (s13^2*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (s14*z1*z3)/(s12*s34*z12*z34) - (3*s14*z1*z3)/(4*s123*s34*z12*z34) + 
   (3*s14*z1*z3)/(4*s124*s34*z12*z34) - (s13*s14*z1*z3)/
    (2*s12*s123*s34*z12*z34) + (s13*s14*z1*z3)/(2*s12*s124*s34*z12*z34) - 
   (s14^2*z1*z3)/(4*s12*s123*s34*z12*z34) + 
   (s14^2*z1*z3)/(4*s12*s124*s34*z12*z34) + (2*s23*z1*z3)/(s12*s34*z12*z34) + 
   (3*s23*z1*z3)/(4*s123*s34*z12*z34) + (5*s23*z1*z3)/(4*s124*s34*z12*z34) + 
   (2*s13*s23*z1*z3)/(s12^2*s34*z12*z34) + (2*s13*s23*z1*z3)/
    (s12*s123*s34*z12*z34) + (s13*s23*z1*z3)/(s12*s124*s34*z12*z34) + 
   (s13^2*s23*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (s23*z1*z3)/(2*s134*s34*z12*z34) + (s13*s23*z1*z3)/
    (4*s12*s134*s34*z12*z34) + (s14*s23*z1*z3)/(s12^2*s34*z12*z34) + 
   (3*s14*s23*z1*z3)/(2*s12*s123*s34*z12*z34) + 
   (3*s14*s23*z1*z3)/(2*s12*s124*s34*z12*z34) + (3*s13*s14*s23*z1*z3)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s14*s23*z1*z3)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s23*z1*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (2*s23^2*z1*z3)/(s12^2*s34*z12*z34) + (9*s23^2*z1*z3)/
    (4*s12*s123*s34*z12*z34) + (3*s23^2*z1*z3)/(4*s12*s124*s34*z12*z34) + 
   (2*s13*s23^2*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (s23^2*z1*z3)/(4*s12*s134*s34*z12*z34) + (3*s14*s23^2*z1*z3)/
    (2*s12^2*s123*s34*z12*z34) + (s14*s23^2*z1*z3)/
    (2*s12^2*s124*s34*z12*z34) + (s23^3*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (s23*z1*z3)/(2*s234*s34*z12*z34) + (s13*s23*z1*z3)/
    (4*s12*s234*s34*z12*z34) + (s14*s23*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (s23^2*z1*z3)/(4*s12*s234*s34*z12*z34) - 
   (s24*z1*z3)/(4*s123*s34*z12*z34) + (9*s24*z1*z3)/(4*s124*s34*z12*z34) + 
   (s13*s24*z1*z3)/(s12^2*s34*z12*z34) + (s13*s24*z1*z3)/
    (2*s12*s123*s34*z12*z34) + (5*s13*s24*z1*z3)/(2*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z1*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (s24*z1*z3)/(2*s134*s34*z12*z34) - (s13*s24*z1*z3)/
    (4*s12*s134*s34*z12*z34) + (3*s14*s24*z1*z3)/(s12*s124*s34*z12*z34) + 
   (s13*s14*s24*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (3*s13*s14*s24*z1*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (s14*s24*z1*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14^2*s24*z1*z3)/(s12^2*s124*s34*z12*z34) + 
   (2*s23*s24*z1*z3)/(s12^2*s34*z12*z34) + (5*s23*s24*z1*z3)/
    (2*s12*s123*s34*z12*z34) + (7*s23*s24*z1*z3)/(2*s12*s124*s34*z12*z34) + 
   (5*s13*s23*s24*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (3*s13*s23*s24*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s14*s23*s24*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (5*s14*s23*s24*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (2*s23^2*s24*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (s23^2*s24*z1*z3)/(s12^2*s124*s34*z12*z34) - 
   (s24*z1*z3)/(2*s234*s34*z12*z34) - (s13*s24*z1*z3)/
    (4*s12*s234*s34*z12*z34) - (s14*s24*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (s24^2*z1*z3)/(4*s12*s123*s34*z12*z34) + (11*s24^2*z1*z3)/
    (4*s12*s124*s34*z12*z34) + (s13*s24^2*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (3*s13*s24^2*z1*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (s24^2*z1*z3)/(4*s12*s134*s34*z12*z34) + (2*s14*s24^2*z1*z3)/
    (s12^2*s124*s34*z12*z34) + (s23*s24^2*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (2*s23*s24^2*z1*z3)/(s12^2*s124*s34*z12*z34) - 
   (s24^2*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (s24^3*z1*z3)/(s12^2*s124*s34*z12*z34) - (2*z1*z2*z3)/(s123*z12^2*z34) - 
   (2*z1*z2*z3)/(s124*z12^2*z34) - (3*s13*z1*z2*z3)/(s12*s123*z12^2*z34) - 
   (s13*z1*z2*z3)/(s12*s124*z12^2*z34) - (s13^2*z1*z2*z3)/
    (s12^2*s123*z12^2*z34) - (s14*z1*z2*z3)/(s12*s123*z12^2*z34) - 
   (3*s14*z1*z2*z3)/(s12*s124*z12^2*z34) - (s13*s14*z1*z2*z3)/
    (s12^2*s123*z12^2*z34) - (s13*s14*z1*z2*z3)/(s12^2*s124*z12^2*z34) - 
   (s14^2*z1*z2*z3)/(s12^2*s124*z12^2*z34) - (3*s23*z1*z2*z3)/
    (s12*s123*z12^2*z34) - (s23*z1*z2*z3)/(s12*s124*z12^2*z34) - 
   (2*s13*s23*z1*z2*z3)/(s12^2*s123*z12^2*z34) - 
   (s14*s23*z1*z2*z3)/(s12^2*s123*z12^2*z34) - 
   (s14*s23*z1*z2*z3)/(s12^2*s124*z12^2*z34) - 
   (s23^2*z1*z2*z3)/(s12^2*s123*z12^2*z34) - 
   (s24*z1*z2*z3)/(s12*s123*z12^2*z34) - (3*s24*z1*z2*z3)/
    (s12*s124*z12^2*z34) - (s13*s24*z1*z2*z3)/(s12^2*s123*z12^2*z34) - 
   (s13*s24*z1*z2*z3)/(s12^2*s124*z12^2*z34) - (2*s14*s24*z1*z2*z3)/
    (s12^2*s124*z12^2*z34) - (s23*s24*z1*z2*z3)/(s12^2*s123*z12^2*z34) - 
   (s23*s24*z1*z2*z3)/(s12^2*s124*z12^2*z34) - 
   (s24^2*z1*z2*z3)/(s12^2*s124*z12^2*z34) - (4*s12*z1*z2*z3)/
    (s34^2*z12^2*z34) - (10*s13*z1*z2*z3)/(s34^2*z12^2*z34) - 
   (8*s13^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (2*s13^3*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (6*s14*z1*z2*z3)/(s34^2*z12^2*z34) - 
   (10*s13*s14*z1*z2*z3)/(s12*s34^2*z12^2*z34) - 
   (4*s13^2*s14*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (2*s14^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (2*s13*s14^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (10*s23*z1*z2*z3)/(s34^2*z12^2*z34) - 
   (16*s13*s23*z1*z2*z3)/(s12*s34^2*z12^2*z34) - 
   (6*s13^2*s23*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (10*s14*s23*z1*z2*z3)/(s12*s34^2*z12^2*z34) - 
   (8*s13*s14*s23*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (2*s14^2*s23*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (8*s23^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (6*s13*s23^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (4*s14*s23^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s23^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (6*s24*z1*z2*z3)/(s34^2*z12^2*z34) - (10*s13*s24*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) - (4*s13^2*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (4*s14*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (4*s13*s14*s24*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (10*s23*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) - 
   (8*s13*s23*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (4*s14*s23*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (4*s23^2*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (2*s24^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (2*s13*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s23*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (4*z1*z2*z3)/(s34*z12^2*z34) - 
   (2*s12*z1*z2*z3)/(s123*s34*z12^2*z34) - (2*s12*z1*z2*z3)/
    (s124*s34*z12^2*z34) - (6*s13*z1*z2*z3)/(s12*s34*z12^2*z34) - 
   (5*s13*z1*z2*z3)/(s123*s34*z12^2*z34) - (3*s13*z1*z2*z3)/
    (s124*s34*z12^2*z34) - (2*s13^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (4*s13^2*z1*z2*z3)/(s12*s123*s34*z12^2*z34) - 
   (s13^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (s13^3*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s14*z1*z2*z3)/(s12*s34*z12^2*z34) - (3*s14*z1*z2*z3)/
    (s123*s34*z12^2*z34) - (5*s14*z1*z2*z3)/(s124*s34*z12^2*z34) - 
   (2*s13*s14*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (5*s13*s14*z1*z2*z3)/(s12*s123*s34*z12^2*z34) - 
   (5*s13*s14*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (2*s13^2*s14*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (s13^2*s14*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (s14^2*z1*z2*z3)/(s12*s123*s34*z12^2*z34) - 
   (4*s14^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (s13*s14^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s13*s14^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (s14^3*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (6*s23*z1*z2*z3)/(s12*s34*z12^2*z34) - (5*s23*z1*z2*z3)/
    (s123*s34*z12^2*z34) - (3*s23*z1*z2*z3)/(s124*s34*z12^2*z34) - 
   (4*s13*s23*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (8*s13*s23*z1*z2*z3)/(s12*s123*s34*z12^2*z34) - 
   (2*s13*s23*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (3*s13^2*s23*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s14*s23*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (5*s14*s23*z1*z2*z3)/(s12*s123*s34*z12^2*z34) - 
   (5*s14*s23*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (4*s13*s14*s23*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s13*s14*s23*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (s14^2*s23*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s14^2*s23*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s23^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) - (4*s23^2*z1*z2*z3)/
    (s12*s123*s34*z12^2*z34) - (s23^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (3*s13*s23^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s14*s23^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (s14*s23^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (s23^3*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s24*z1*z2*z3)/(s12*s34*z12^2*z34) - (3*s24*z1*z2*z3)/
    (s123*s34*z12^2*z34) - (5*s24*z1*z2*z3)/(s124*s34*z12^2*z34) - 
   (2*s13*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (5*s13*s24*z1*z2*z3)/(s12*s123*s34*z12^2*z34) - 
   (5*s13*s24*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (2*s13^2*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (s13^2*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s14*s24*z1*z2*z3)/(s12*s123*s34*z12^2*z34) - 
   (8*s14*s24*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (2*s13*s14*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (4*s13*s14*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (3*s14^2*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s23*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (5*s23*s24*z1*z2*z3)/(s12*s123*s34*z12^2*z34) - 
   (5*s23*s24*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (4*s13*s23*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s13*s23*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s14*s23*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (4*s14*s23*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s23^2*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (s23^2*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (s24^2*z1*z2*z3)/(s12*s123*s34*z12^2*z34) - 
   (4*s24^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (s13*s24^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s13*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (3*s14*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (s23*s24^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s23*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (s24^3*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - (z2*z3)/(s12*z12*z34) - 
   (z2*z3)/(2*s123*z12*z34) + (z2*z3)/(2*s124*z12*z34) + 
   (5*s13*z2*z3)/(4*s12*s123*z12*z34) + (3*s13*z2*z3)/(4*s12*s124*z12*z34) + 
   (s13^2*z2*z3)/(s12^2*s123*z12*z34) + (s14*z2*z3)/(4*s12*s123*z12*z34) + 
   (7*s14*z2*z3)/(4*s12*s124*z12*z34) + (s13*s14*z2*z3)/
    (s12^2*s123*z12*z34) + (s13*s14*z2*z3)/(s12^2*s124*z12*z34) + 
   (s14^2*z2*z3)/(s12^2*s124*z12*z34) - (s23*z2*z3)/(4*s12*s123*z12*z34) + 
   (s23*z2*z3)/(4*s12*s124*z12*z34) + (s13*s23*z2*z3)/(s12^2*s123*z12*z34) + 
   (s14*s23*z2*z3)/(2*s12^2*s123*z12*z34) + (s14*s23*z2*z3)/
    (2*s12^2*s124*z12*z34) - (s24*z2*z3)/(4*s12*s123*z12*z34) + 
   (s24*z2*z3)/(4*s12*s124*z12*z34) + (s13*s24*z2*z3)/
    (2*s12^2*s123*z12*z34) + (s13*s24*z2*z3)/(2*s12^2*s124*z12*z34) + 
   (s14*s24*z2*z3)/(s12^2*s124*z12*z34) + (3*s13*z2*z3)/(s34^2*z12*z34) + 
   (5*s13^2*z2*z3)/(s12*s34^2*z12*z34) + (2*s13^3*z2*z3)/
    (s12^2*s34^2*z12*z34) + (s12*s13*z2*z3)/(2*s134*s34^2*z12*z34) + 
   (3*s13^2*z2*z3)/(4*s134*s34^2*z12*z34) + 
   (s13^3*z2*z3)/(4*s12*s134*s34^2*z12*z34) + (s14*z2*z3)/(s34^2*z12*z34) + 
   (6*s13*s14*z2*z3)/(s12*s34^2*z12*z34) + (4*s13^2*s14*z2*z3)/
    (s12^2*s34^2*z12*z34) - (s12*s14*z2*z3)/(2*s134*s34^2*z12*z34) + 
   (s13^2*s14*z2*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s14^2*z2*z3)/(s12*s34^2*z12*z34) + (2*s13*s14^2*z2*z3)/
    (s12^2*s34^2*z12*z34) - (3*s14^2*z2*z3)/(4*s134*s34^2*z12*z34) - 
   (s13*s14^2*z2*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (s14^3*z2*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (5*s13*s23*z2*z3)/(s12*s34^2*z12*z34) + (4*s13^2*s23*z2*z3)/
    (s12^2*s34^2*z12*z34) + (3*s13*s23*z2*z3)/(4*s134*s34^2*z12*z34) + 
   (s13^2*s23*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (2*s14*s23*z2*z3)/(s12*s34^2*z12*z34) + (5*s13*s14*s23*z2*z3)/
    (s12^2*s34^2*z12*z34) - (3*s14*s23*z2*z3)/(4*s134*s34^2*z12*z34) + 
   (s14^2*s23*z2*z3)/(s12^2*s34^2*z12*z34) - (s14^2*s23*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) + (2*s13*s23^2*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s13*s23^2*z2*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s14*s23^2*z2*z3)/(s12^2*s34^2*z12*z34) - (s14*s23^2*z2*z3)/
    (4*s12*s134*s34^2*z12*z34) + (s12*s13*z2*z3)/(2*s234*s34^2*z12*z34) + 
   (3*s13^2*z2*z3)/(4*s234*s34^2*z12*z34) + 
   (s13^3*z2*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (s12*s14*z2*z3)/(2*s234*s34^2*z12*z34) + (s13^2*s14*z2*z3)/
    (4*s12*s234*s34^2*z12*z34) - (3*s14^2*z2*z3)/(4*s234*s34^2*z12*z34) - 
   (s13*s14^2*z2*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (s14^3*z2*z3)/(4*s12*s234*s34^2*z12*z34) + 
   (3*s13*s23*z2*z3)/(4*s234*s34^2*z12*z34) + 
   (s13^2*s23*z2*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (3*s14*s23*z2*z3)/(4*s234*s34^2*z12*z34) - 
   (s14^2*s23*z2*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*s23^2*z2*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (s14*s23^2*z2*z3)/(4*s12*s234*s34^2*z12*z34) + 
   (4*s13*s24*z2*z3)/(s12*s34^2*z12*z34) + (3*s13^2*s24*z2*z3)/
    (s12^2*s34^2*z12*z34) + (3*s13*s24*z2*z3)/(4*s134*s34^2*z12*z34) + 
   (s13^2*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s24*z2*z3)/(s12*s34^2*z12*z34) + (3*s13*s14*s24*z2*z3)/
    (s12^2*s34^2*z12*z34) - (3*s14*s24*z2*z3)/(4*s134*s34^2*z12*z34) - 
   (s14^2*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (3*s13*s23*s24*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s13*s23*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23*s24*z2*z3)/(s12^2*s34^2*z12*z34) - (s14*s23*s24*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) + (3*s13*s24*z2*z3)/(4*s234*s34^2*z12*z34) + 
   (s13^2*s24*z2*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (3*s14*s24*z2*z3)/(4*s234*s34^2*z12*z34) - 
   (s14^2*s24*z2*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*s23*s24*z2*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (s14*s23*s24*z2*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*s24^2*z2*z3)/(s12^2*s34^2*z12*z34) + (s13*s24^2*z2*z3)/
    (4*s12*s134*s34^2*z12*z34) - (s14*s24^2*z2*z3)/
    (4*s12*s134*s34^2*z12*z34) + (s13*s24^2*z2*z3)/
    (4*s12*s234*s34^2*z12*z34) - (s14*s24^2*z2*z3)/
    (4*s12*s234*s34^2*z12*z34) - (z2*z3)/(s34*z12*z34) - 
   (s12*z2*z3)/(2*s123*s34*z12*z34) + (s12*z2*z3)/(2*s124*s34*z12*z34) + 
   (2*s13*z2*z3)/(s12*s34*z12*z34) + (3*s13*z2*z3)/(4*s123*s34*z12*z34) + 
   (5*s13*z2*z3)/(4*s124*s34*z12*z34) + (2*s13^2*z2*z3)/(s12^2*s34*z12*z34) + 
   (9*s13^2*z2*z3)/(4*s12*s123*s34*z12*z34) + 
   (3*s13^2*z2*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13^3*z2*z3)/(s12^2*s123*s34*z12*z34) + 
   (s13*z2*z3)/(2*s134*s34*z12*z34) + (s13^2*z2*z3)/
    (4*s12*s134*s34*z12*z34) - (s14*z2*z3)/(4*s123*s34*z12*z34) + 
   (9*s14*z2*z3)/(4*s124*s34*z12*z34) + (2*s13*s14*z2*z3)/
    (s12^2*s34*z12*z34) + (5*s13*s14*z2*z3)/(2*s12*s123*s34*z12*z34) + 
   (7*s13*s14*z2*z3)/(2*s12*s124*s34*z12*z34) + 
   (2*s13^2*s14*z2*z3)/(s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (s14*z2*z3)/(2*s134*s34*z12*z34) + (s14^2*z2*z3)/
    (4*s12*s123*s34*z12*z34) + (11*s14^2*z2*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14^2*z2*z3)/(s12^2*s123*s34*z12*z34) + 
   (2*s13*s14^2*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (s14^2*z2*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14^3*z2*z3)/(s12^2*s124*s34*z12*z34) - (s23*z2*z3)/(s12*s34*z12*z34) - 
   (3*s23*z2*z3)/(4*s123*s34*z12*z34) + (3*s23*z2*z3)/(4*s124*s34*z12*z34) + 
   (2*s13*s23*z2*z3)/(s12^2*s34*z12*z34) + (2*s13*s23*z2*z3)/
    (s12*s123*s34*z12*z34) + (s13*s23*z2*z3)/(s12*s124*s34*z12*z34) + 
   (2*s13^2*s23*z2*z3)/(s12^2*s123*s34*z12*z34) + 
   (s13*s23*z2*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14*s23*z2*z3)/(s12^2*s34*z12*z34) + (s14*s23*z2*z3)/
    (2*s12*s123*s34*z12*z34) + (5*s14*s23*z2*z3)/(2*s12*s124*s34*z12*z34) + 
   (5*s13*s14*s23*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (3*s13*s14*s23*z2*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (s14*s23*z2*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (3*s14^2*s23*z2*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (s23^2*z2*z3)/(4*s12*s123*s34*z12*z34) + 
   (s23^2*z2*z3)/(4*s12*s124*s34*z12*z34) + (s13*s23^2*z2*z3)/
    (s12^2*s123*s34*z12*z34) + (s14*s23^2*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23^2*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s13*z2*z3)/(2*s234*s34*z12*z34) + (s13^2*z2*z3)/
    (4*s12*s234*s34*z12*z34) - (s14*z2*z3)/(2*s234*s34*z12*z34) - 
   (s14^2*z2*z3)/(4*s12*s234*s34*z12*z34) + (s13*s23*z2*z3)/
    (4*s12*s234*s34*z12*z34) - (s14*s23*z2*z3)/(4*s12*s234*s34*z12*z34) - 
   (s24*z2*z3)/(s12*s34*z12*z34) - (3*s24*z2*z3)/(4*s123*s34*z12*z34) + 
   (3*s24*z2*z3)/(4*s124*s34*z12*z34) + (s13*s24*z2*z3)/(s12^2*s34*z12*z34) + 
   (3*s13*s24*z2*z3)/(2*s12*s123*s34*z12*z34) + 
   (3*s13*s24*z2*z3)/(2*s12*s124*s34*z12*z34) + 
   (3*s13^2*s24*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s13*s24*z2*z3)/(4*s12*s134*s34*z12*z34) + 
   (3*s14*s24*z2*z3)/(s12*s124*s34*z12*z34) + (3*s13*s14*s24*z2*z3)/
    (2*s12^2*s123*s34*z12*z34) + (5*s13*s14*s24*z2*z3)/
    (2*s12^2*s124*s34*z12*z34) - (s14*s24*z2*z3)/(4*s12*s134*s34*z12*z34) + 
   (2*s14^2*s24*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (s23*s24*z2*z3)/(2*s12*s123*s34*z12*z34) + 
   (s23*s24*z2*z3)/(2*s12*s124*s34*z12*z34) + (3*s13*s23*s24*z2*z3)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s23*s24*z2*z3)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s23*s24*z2*z3)/
    (2*s12^2*s123*s34*z12*z34) + (3*s14*s23*s24*z2*z3)/
    (2*s12^2*s124*s34*z12*z34) + (s13*s24*z2*z3)/(4*s12*s234*s34*z12*z34) - 
   (s14*s24*z2*z3)/(4*s12*s234*s34*z12*z34) - 
   (s24^2*z2*z3)/(4*s12*s123*s34*z12*z34) + 
   (s24^2*z2*z3)/(4*s12*s124*s34*z12*z34) + (s13*s24^2*z2*z3)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s24^2*z2*z3)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s24^2*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (3*z3^2)/(2*s123*z12*z34) - z3^2/(2*s124*z12*z34) - 
   (s13*z3^2)/(s12*s123*z12*z34) - (s14*z3^2)/(2*s12*s123*z12*z34) - 
   (s14*z3^2)/(2*s12*s124*z12*z34) - (s23*z3^2)/(s12*s123*z12*z34) - 
   (s24*z3^2)/(2*s12*s123*z12*z34) - (s24*z3^2)/(2*s12*s124*z12*z34) - 
   (3*s12*z3^2)/(s34^2*z12*z34) - (5*s13*z3^2)/(s34^2*z12*z34) - 
   (2*s13^2*z3^2)/(s12*s34^2*z12*z34) - (s12^2*z3^2)/(2*s134*s34^2*z12*z34) - 
   (3*s12*s13*z3^2)/(4*s134*s34^2*z12*z34) - 
   (s13^2*z3^2)/(4*s134*s34^2*z12*z34) - (4*s14*z3^2)/(s34^2*z12*z34) - 
   (3*s13*s14*z3^2)/(s12*s34^2*z12*z34) - (3*s12*s14*z3^2)/
    (4*s134*s34^2*z12*z34) - (s13*s14*z3^2)/(2*s134*s34^2*z12*z34) - 
   (s14^2*z3^2)/(s12*s34^2*z12*z34) - (s14^2*z3^2)/(4*s134*s34^2*z12*z34) - 
   (5*s23*z3^2)/(s34^2*z12*z34) - (4*s13*s23*z3^2)/(s12*s34^2*z12*z34) - 
   (3*s12*s23*z3^2)/(4*s134*s34^2*z12*z34) - 
   (s13*s23*z3^2)/(2*s134*s34^2*z12*z34) - (3*s14*s23*z3^2)/
    (s12*s34^2*z12*z34) - (s14*s23*z3^2)/(2*s134*s34^2*z12*z34) - 
   (2*s23^2*z3^2)/(s12*s34^2*z12*z34) - (s23^2*z3^2)/(4*s134*s34^2*z12*z34) - 
   (s12^2*z3^2)/(2*s234*s34^2*z12*z34) - (3*s12*s13*z3^2)/
    (4*s234*s34^2*z12*z34) - (s13^2*z3^2)/(4*s234*s34^2*z12*z34) - 
   (3*s12*s14*z3^2)/(4*s234*s34^2*z12*z34) - 
   (s13*s14*z3^2)/(2*s234*s34^2*z12*z34) - 
   (s14^2*z3^2)/(4*s234*s34^2*z12*z34) - (3*s12*s23*z3^2)/
    (4*s234*s34^2*z12*z34) - (s13*s23*z3^2)/(2*s234*s34^2*z12*z34) - 
   (s14*s23*z3^2)/(2*s234*s34^2*z12*z34) - 
   (s23^2*z3^2)/(4*s234*s34^2*z12*z34) - (4*s24*z3^2)/(s34^2*z12*z34) - 
   (3*s13*s24*z3^2)/(s12*s34^2*z12*z34) - (3*s12*s24*z3^2)/
    (4*s134*s34^2*z12*z34) - (s13*s24*z3^2)/(2*s134*s34^2*z12*z34) - 
   (2*s14*s24*z3^2)/(s12*s34^2*z12*z34) - (s14*s24*z3^2)/
    (2*s134*s34^2*z12*z34) - (3*s23*s24*z3^2)/(s12*s34^2*z12*z34) - 
   (s23*s24*z3^2)/(2*s134*s34^2*z12*z34) - (3*s12*s24*z3^2)/
    (4*s234*s34^2*z12*z34) - (s13*s24*z3^2)/(2*s234*s34^2*z12*z34) - 
   (s14*s24*z3^2)/(2*s234*s34^2*z12*z34) - 
   (s23*s24*z3^2)/(2*s234*s34^2*z12*z34) - (s24^2*z3^2)/(s12*s34^2*z12*z34) - 
   (s24^2*z3^2)/(4*s134*s34^2*z12*z34) - 
   (s24^2*z3^2)/(4*s234*s34^2*z12*z34) - (3*z3^2)/(s34*z12*z34) - 
   (3*s12*z3^2)/(2*s123*s34*z12*z34) - (s12*z3^2)/(2*s124*s34*z12*z34) - 
   (2*s13*z3^2)/(s12*s34*z12*z34) - (5*s13*z3^2)/(2*s123*s34*z12*z34) - 
   (s13*z3^2)/(2*s124*s34*z12*z34) - (s13^2*z3^2)/(s12*s123*s34*z12*z34) - 
   (s12*z3^2)/(2*s134*s34*z12*z34) - (s13*z3^2)/(4*s134*s34*z12*z34) - 
   (s14*z3^2)/(s12*s34*z12*z34) - (2*s14*z3^2)/(s123*s34*z12*z34) - 
   (s14*z3^2)/(s124*s34*z12*z34) - (3*s13*s14*z3^2)/
    (2*s12*s123*s34*z12*z34) - (s13*s14*z3^2)/(2*s12*s124*s34*z12*z34) - 
   (s14*z3^2)/(4*s134*s34*z12*z34) - (s14^2*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s14^2*z3^2)/(2*s12*s124*s34*z12*z34) - (2*s23*z3^2)/(s12*s34*z12*z34) - 
   (5*s23*z3^2)/(2*s123*s34*z12*z34) - (s23*z3^2)/(2*s124*s34*z12*z34) - 
   (2*s13*s23*z3^2)/(s12*s123*s34*z12*z34) - 
   (s23*z3^2)/(4*s134*s34*z12*z34) - (3*s14*s23*z3^2)/
    (2*s12*s123*s34*z12*z34) - (s14*s23*z3^2)/(2*s12*s124*s34*z12*z34) - 
   (s23^2*z3^2)/(s12*s123*s34*z12*z34) - (s12*z3^2)/(2*s234*s34*z12*z34) - 
   (s13*z3^2)/(4*s234*s34*z12*z34) - (s14*z3^2)/(4*s234*s34*z12*z34) - 
   (s23*z3^2)/(4*s234*s34*z12*z34) - (s24*z3^2)/(s12*s34*z12*z34) - 
   (2*s24*z3^2)/(s123*s34*z12*z34) - (s24*z3^2)/(s124*s34*z12*z34) - 
   (3*s13*s24*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s13*s24*z3^2)/(2*s12*s124*s34*z12*z34) - 
   (s24*z3^2)/(4*s134*s34*z12*z34) - (s14*s24*z3^2)/(s12*s123*s34*z12*z34) - 
   (s14*s24*z3^2)/(s12*s124*s34*z12*z34) - (3*s23*s24*z3^2)/
    (2*s12*s123*s34*z12*z34) - (s23*s24*z3^2)/(2*s12*s124*s34*z12*z34) - 
   (s24*z3^2)/(4*s234*s34*z12*z34) - (s24^2*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s24^2*z3^2)/(2*s12*s124*s34*z12*z34) + (2*z4)/(s123*z12) + 
   (3*z4)/(s124*z12) + (2*s12*z4)/(s123*s124*z12) + 
   (3*s13*z4)/(2*s12*s123*z12) + (3*s13*z4)/(2*s12*s124*z12) + 
   (4*s13*z4)/(s123*s124*z12) + (2*s13^2*z4)/(s12*s123*s124*z12) + 
   (s12*z4)/(s123*s134*z12) - (s12*z4)/(2*s124*s134*z12) + 
   (s13*z4)/(s123*s134*z12) + (3*s14*z4)/(s12*s124*z12) + 
   (2*s14*z4)/(s123*s124*z12) + (2*s13*s14*z4)/(s12*s123*s124*z12) - 
   (s14*z4)/(2*s124*s134*z12) + (3*s23*z4)/(2*s12*s123*z12) + 
   (3*s23*z4)/(2*s12*s124*z12) + (4*s23*z4)/(s123*s124*z12) + 
   (4*s13*s23*z4)/(s12*s123*s124*z12) + (s23*z4)/(s123*s134*z12) + 
   (2*s14*s23*z4)/(s12*s123*s124*z12) + (2*s23^2*z4)/(s12*s123*s124*z12) - 
   (s12*z4)/(2*s123*s234*z12) + (s12*z4)/(s124*s234*z12) - 
   (s13*z4)/(2*s123*s234*z12) + (s14*z4)/(s124*s234*z12) - 
   (s23*z4)/(2*s123*s234*z12) + (3*s24*z4)/(s12*s124*z12) + 
   (2*s24*z4)/(s123*s124*z12) + (2*s13*s24*z4)/(s12*s123*s124*z12) - 
   (s24*z4)/(2*s124*s134*z12) + (2*s23*s24*z4)/(s12*s123*s124*z12) + 
   (s24*z4)/(s124*s234*z12) + (3*s12*z4)/(s34^2*z12) + 
   (6*s13*z4)/(s34^2*z12) + (3*s13^2*z4)/(s12*s34^2*z12) + 
   (s12^2*z4)/(2*s134*s34^2*z12) + (5*s12*s13*z4)/(4*s134*s34^2*z12) + 
   (3*s13^2*z4)/(4*s134*s34^2*z12) + (5*s14*z4)/(s34^2*z12) + 
   (5*s13*s14*z4)/(s12*s34^2*z12) + (3*s12*s14*z4)/(4*s134*s34^2*z12) + 
   (s13*s14*z4)/(s134*s34^2*z12) + (2*s14^2*z4)/(s12*s34^2*z12) + 
   (s14^2*z4)/(4*s134*s34^2*z12) + (6*s23*z4)/(s34^2*z12) + 
   (6*s13*s23*z4)/(s12*s34^2*z12) + (5*s12*s23*z4)/(4*s134*s34^2*z12) + 
   (3*s13*s23*z4)/(2*s134*s34^2*z12) + (5*s14*s23*z4)/(s12*s34^2*z12) + 
   (s14*s23*z4)/(s134*s34^2*z12) + (3*s23^2*z4)/(s12*s34^2*z12) + 
   (3*s23^2*z4)/(4*s134*s34^2*z12) + (s12^2*z4)/(2*s234*s34^2*z12) + 
   (5*s12*s13*z4)/(4*s234*s34^2*z12) + (3*s13^2*z4)/(4*s234*s34^2*z12) + 
   (3*s12*s14*z4)/(4*s234*s34^2*z12) + (s13*s14*z4)/(s234*s34^2*z12) + 
   (s14^2*z4)/(4*s234*s34^2*z12) + (5*s12*s23*z4)/(4*s234*s34^2*z12) + 
   (3*s13*s23*z4)/(2*s234*s34^2*z12) + (s14*s23*z4)/(s234*s34^2*z12) + 
   (3*s23^2*z4)/(4*s234*s34^2*z12) + (5*s24*z4)/(s34^2*z12) + 
   (5*s13*s24*z4)/(s12*s34^2*z12) + (3*s12*s24*z4)/(4*s134*s34^2*z12) + 
   (s13*s24*z4)/(s134*s34^2*z12) + (4*s14*s24*z4)/(s12*s34^2*z12) + 
   (s14*s24*z4)/(2*s134*s34^2*z12) + (5*s23*s24*z4)/(s12*s34^2*z12) + 
   (s23*s24*z4)/(s134*s34^2*z12) + (3*s12*s24*z4)/(4*s234*s34^2*z12) + 
   (s13*s24*z4)/(s234*s34^2*z12) + (s14*s24*z4)/(2*s234*s34^2*z12) + 
   (s23*s24*z4)/(s234*s34^2*z12) + (2*s24^2*z4)/(s12*s34^2*z12) + 
   (s24^2*z4)/(4*s134*s34^2*z12) + (s24^2*z4)/(4*s234*s34^2*z12) + 
   (3*z4)/(s34*z12) + (2*s12*z4)/(s123*s34*z12) + (3*s12*z4)/(s124*s34*z12) + 
   (3*s13*z4)/(s12*s34*z12) + (7*s13*z4)/(2*s123*s34*z12) + 
   (9*s13*z4)/(2*s124*s34*z12) + (3*s13^2*z4)/(2*s12*s123*s34*z12) + 
   (3*s13^2*z4)/(2*s12*s124*s34*z12) + (s12*z4)/(2*s134*s34*z12) + 
   (s12^2*z4)/(s123*s134*s34*z12) - (s12^2*z4)/(2*s124*s134*s34*z12) + 
   (3*s13*z4)/(4*s134*s34*z12) + (2*s12*s13*z4)/(s123*s134*s34*z12) - 
   (s12*s13*z4)/(2*s124*s134*s34*z12) + (s13^2*z4)/(s123*s134*s34*z12) + 
   (2*s14*z4)/(s12*s34*z12) + (2*s14*z4)/(s123*s34*z12) + 
   (6*s14*z4)/(s124*s34*z12) + (3*s13*s14*z4)/(2*s12*s123*s34*z12) + 
   (9*s13*s14*z4)/(2*s12*s124*s34*z12) + (s14*z4)/(4*s134*s34*z12) + 
   (s12*s14*z4)/(s123*s134*s34*z12) - (s12*s14*z4)/(s124*s134*s34*z12) + 
   (s13*s14*z4)/(s123*s134*s34*z12) - (s13*s14*z4)/(2*s124*s134*s34*z12) + 
   (3*s14^2*z4)/(s12*s124*s34*z12) - (s14^2*z4)/(2*s124*s134*s34*z12) + 
   (3*s23*z4)/(s12*s34*z12) + (7*s23*z4)/(2*s123*s34*z12) + 
   (9*s23*z4)/(2*s124*s34*z12) + (3*s13*s23*z4)/(s12*s123*s34*z12) + 
   (3*s13*s23*z4)/(s12*s124*s34*z12) + (3*s23*z4)/(4*s134*s34*z12) + 
   (2*s12*s23*z4)/(s123*s134*s34*z12) - (s12*s23*z4)/(2*s124*s134*s34*z12) + 
   (2*s13*s23*z4)/(s123*s134*s34*z12) + (3*s14*s23*z4)/(2*s12*s123*s34*z12) + 
   (9*s14*s23*z4)/(2*s12*s124*s34*z12) + (s14*s23*z4)/(s123*s134*s34*z12) - 
   (s14*s23*z4)/(2*s124*s134*s34*z12) + (3*s23^2*z4)/(2*s12*s123*s34*z12) + 
   (3*s23^2*z4)/(2*s12*s124*s34*z12) + (s23^2*z4)/(s123*s134*s34*z12) + 
   (s12*z4)/(2*s234*s34*z12) - (s12^2*z4)/(2*s123*s234*s34*z12) + 
   (s12^2*z4)/(s124*s234*s34*z12) + (3*s13*z4)/(4*s234*s34*z12) - 
   (s12*s13*z4)/(s123*s234*s34*z12) + (s12*s13*z4)/(s124*s234*s34*z12) - 
   (s13^2*z4)/(2*s123*s234*s34*z12) + (s14*z4)/(4*s234*s34*z12) - 
   (s12*s14*z4)/(2*s123*s234*s34*z12) + (2*s12*s14*z4)/(s124*s234*s34*z12) - 
   (s13*s14*z4)/(2*s123*s234*s34*z12) + (s13*s14*z4)/(s124*s234*s34*z12) + 
   (s14^2*z4)/(s124*s234*s34*z12) + (3*s23*z4)/(4*s234*s34*z12) - 
   (s12*s23*z4)/(s123*s234*s34*z12) + (s12*s23*z4)/(s124*s234*s34*z12) - 
   (s13*s23*z4)/(s123*s234*s34*z12) - (s14*s23*z4)/(2*s123*s234*s34*z12) + 
   (s14*s23*z4)/(s124*s234*s34*z12) - (s23^2*z4)/(2*s123*s234*s34*z12) + 
   (2*s24*z4)/(s12*s34*z12) + (2*s24*z4)/(s123*s34*z12) + 
   (6*s24*z4)/(s124*s34*z12) + (3*s13*s24*z4)/(2*s12*s123*s34*z12) + 
   (9*s13*s24*z4)/(2*s12*s124*s34*z12) + (s24*z4)/(4*s134*s34*z12) + 
   (s12*s24*z4)/(s123*s134*s34*z12) - (s12*s24*z4)/(s124*s134*s34*z12) + 
   (s13*s24*z4)/(s123*s134*s34*z12) - (s13*s24*z4)/(2*s124*s134*s34*z12) + 
   (6*s14*s24*z4)/(s12*s124*s34*z12) - (s14*s24*z4)/(s124*s134*s34*z12) + 
   (3*s23*s24*z4)/(2*s12*s123*s34*z12) + (9*s23*s24*z4)/
    (2*s12*s124*s34*z12) + (s23*s24*z4)/(s123*s134*s34*z12) - 
   (s23*s24*z4)/(2*s124*s134*s34*z12) + (s24*z4)/(4*s234*s34*z12) - 
   (s12*s24*z4)/(2*s123*s234*s34*z12) + (2*s12*s24*z4)/(s124*s234*s34*z12) - 
   (s13*s24*z4)/(2*s123*s234*s34*z12) + (s13*s24*z4)/(s124*s234*s34*z12) + 
   (2*s14*s24*z4)/(s124*s234*s34*z12) - (s23*s24*z4)/(2*s123*s234*s34*z12) + 
   (s23*s24*z4)/(s124*s234*s34*z12) + (3*s24^2*z4)/(s12*s124*s34*z12) - 
   (s24^2*z4)/(2*s124*s134*s34*z12) + (s24^2*z4)/(s124*s234*s34*z12) + 
   (2*s34*z4)/(s123*s124*z12) + (2*s13*s34*z4)/(s12*s123*s124*z12) + 
   (2*s23*s34*z4)/(s12*s123*s124*z12) + (2*z3*z4)/(s12*z34^2) + 
   (2*z3*z4)/(s134*z34^2) + (2*z3*z4)/(s234*z34^2) + 
   (4*s13*z3*z4)/(s34^2*z34^2) + (4*s13^2*z3*z4)/(s12*s34^2*z34^2) + 
   (2*s12*s13*z3*z4)/(s134*s34^2*z34^2) + (2*s13^2*z3*z4)/
    (s134*s34^2*z34^2) + (4*s14*z3*z4)/(s34^2*z34^2) + 
   (8*s13*s14*z3*z4)/(s12*s34^2*z34^2) + (2*s12*s14*z3*z4)/
    (s134*s34^2*z34^2) + (4*s13*s14*z3*z4)/(s134*s34^2*z34^2) + 
   (4*s14^2*z3*z4)/(s12*s34^2*z34^2) + (2*s14^2*z3*z4)/(s134*s34^2*z34^2) + 
   (4*s23*z3*z4)/(s34^2*z34^2) + (10*s13*s23*z3*z4)/(s12*s34^2*z34^2) + 
   (2*s13^2*s23*z3*z4)/(s12^2*s34^2*z34^2) + (2*s13*s23*z3*z4)/
    (s134*s34^2*z34^2) + (10*s14*s23*z3*z4)/(s12*s34^2*z34^2) + 
   (4*s13*s14*s23*z3*z4)/(s12^2*s34^2*z34^2) + 
   (2*s14*s23*z3*z4)/(s134*s34^2*z34^2) + (2*s14^2*s23*z3*z4)/
    (s12^2*s34^2*z34^2) + (4*s23^2*z3*z4)/(s12*s34^2*z34^2) + 
   (2*s13*s23^2*z3*z4)/(s12^2*s34^2*z34^2) + (2*s14*s23^2*z3*z4)/
    (s12^2*s34^2*z34^2) + (2*s12*s23*z3*z4)/(s234*s34^2*z34^2) + 
   (2*s13*s23*z3*z4)/(s234*s34^2*z34^2) + (2*s14*s23*z3*z4)/
    (s234*s34^2*z34^2) + (2*s23^2*z3*z4)/(s234*s34^2*z34^2) + 
   (4*s24*z3*z4)/(s34^2*z34^2) + (10*s13*s24*z3*z4)/(s12*s34^2*z34^2) + 
   (2*s13^2*s24*z3*z4)/(s12^2*s34^2*z34^2) + (2*s13*s24*z3*z4)/
    (s134*s34^2*z34^2) + (10*s14*s24*z3*z4)/(s12*s34^2*z34^2) + 
   (4*s13*s14*s24*z3*z4)/(s12^2*s34^2*z34^2) + 
   (2*s14*s24*z3*z4)/(s134*s34^2*z34^2) + (2*s14^2*s24*z3*z4)/
    (s12^2*s34^2*z34^2) + (8*s23*s24*z3*z4)/(s12*s34^2*z34^2) + 
   (4*s13*s23*s24*z3*z4)/(s12^2*s34^2*z34^2) + (4*s14*s23*s24*z3*z4)/
    (s12^2*s34^2*z34^2) + (2*s12*s24*z3*z4)/(s234*s34^2*z34^2) + 
   (2*s13*s24*z3*z4)/(s234*s34^2*z34^2) + (2*s14*s24*z3*z4)/
    (s234*s34^2*z34^2) + (4*s23*s24*z3*z4)/(s234*s34^2*z34^2) + 
   (4*s24^2*z3*z4)/(s12*s34^2*z34^2) + (2*s13*s24^2*z3*z4)/
    (s12^2*s34^2*z34^2) + (2*s14*s24^2*z3*z4)/(s12^2*s34^2*z34^2) + 
   (2*s24^2*z3*z4)/(s234*s34^2*z34^2) + (2*z3*z4)/(s34*z34^2) + 
   (6*s13*z3*z4)/(s12*s34*z34^2) + (2*s12*z3*z4)/(s134*s34*z34^2) + 
   (4*s13*z3*z4)/(s134*s34*z34^2) + (6*s14*z3*z4)/(s12*s34*z34^2) + 
   (4*s14*z3*z4)/(s134*s34*z34^2) + (6*s23*z3*z4)/(s12*s34*z34^2) + 
   (2*s13*s23*z3*z4)/(s12^2*s34*z34^2) + (2*s23*z3*z4)/(s134*s34*z34^2) + 
   (2*s14*s23*z3*z4)/(s12^2*s34*z34^2) + (2*s12*z3*z4)/(s234*s34*z34^2) + 
   (2*s13*z3*z4)/(s234*s34*z34^2) + (2*s14*z3*z4)/(s234*s34*z34^2) + 
   (4*s23*z3*z4)/(s234*s34*z34^2) + (6*s24*z3*z4)/(s12*s34*z34^2) + 
   (2*s13*s24*z3*z4)/(s12^2*s34*z34^2) + (2*s24*z3*z4)/(s134*s34*z34^2) + 
   (2*s14*s24*z3*z4)/(s12^2*s34*z34^2) + (4*s24*z3*z4)/(s234*s34*z34^2) - 
   (4*s23*z1*z3*z4)/(s34^2*z12*z34^2) - (6*s13*s23*z1*z3*z4)/
    (s12*s34^2*z12*z34^2) - (2*s13^2*s23*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s14*s23*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13*s14*s23*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14^2*s23*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (6*s23^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (4*s13*s23^2*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s14*s23^2*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s23^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s24*z1*z3*z4)/(s34^2*z12*z34^2) - (6*s13*s24*z1*z3*z4)/
    (s12*s34^2*z12*z34^2) - (2*s13^2*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s14*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13*s14*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14^2*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (12*s23*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (8*s13*s23*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (8*s14*s23*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s23^2*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s24^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (4*s14*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (6*s23*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s24^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s23*z1*z3*z4)/(s12*s34*z12*z34^2) - (2*s13*s23*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) - (2*s14*s23*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s23^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (4*s24*z1*z3*z4)/(s12*s34*z12*z34^2) - (2*s13*s24*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) - (2*s14*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (4*s23*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s24^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + (8*s12*z1*z2*z3*z4)/
    (s34^2*z12^2*z34^2) + (16*s13*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) + 
   (10*s13^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (2*s13^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (16*s14*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) + (20*s13*s14*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) + (6*s13^2*s14*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (10*s14^2*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) + (6*s13*s14^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (2*s14^3*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (16*s23*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) + 
   (20*s13*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (20*s14*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (12*s13*s14*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s14^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (10*s23^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s14*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s23^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (16*s24*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) + (20*s13*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) + (6*s13^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (20*s14*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) + (12*s13*s14*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (6*s14^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (20*s23*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) + (12*s13*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (12*s14*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (6*s23^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (10*s24^2*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) + (6*s13*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (6*s14*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (6*s23*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (2*s24^3*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (8*z1*z2*z3*z4)/(s34*z12^2*z34^2) + 
   (8*s13*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + (2*s13^2*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (8*s14*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + 
   (4*s13*s14*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (2*s14^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (8*s23*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + (4*s13*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (4*s14*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (2*s23^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (8*s24*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + (4*s13*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (4*s14*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (4*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (2*s24^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (4*s13*z2*z3*z4)/(s34^2*z12*z34^2) - (6*s13^2*z2*z3*z4)/
    (s12*s34^2*z12*z34^2) - (2*s13^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s14*z2*z3*z4)/(s34^2*z12*z34^2) - (12*s13*s14*z2*z3*z4)/
    (s12*s34^2*z12*z34^2) - (6*s13^2*s14*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s14^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (6*s13*s14^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s13*s23*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13^2*s23*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (6*s14*s23*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (8*s13*s14*s23*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s14^2*s23*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s13*s23^2*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s14*s23^2*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s13*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13^2*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (6*s14*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (8*s13*s14*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s14^2*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s13*s23*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s14*s23*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s13*s24^2*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s14*s24^2*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s13*z2*z3*z4)/(s12*s34*z12*z34^2) - (2*s13^2*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) - (4*s14*z2*z3*z4)/(s12*s34*z12*z34^2) - 
   (4*s13*s14*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s14^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) - (2*s13*s23*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) - (2*s14*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s13*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s14*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (4*s12*z3^2*z4)/(s34^2*z12*z34^2) + (6*s13*z3^2*z4)/(s34^2*z12*z34^2) + 
   (2*s13^2*z3^2*z4)/(s12*s34^2*z12*z34^2) + 
   (6*s14*z3^2*z4)/(s34^2*z12*z34^2) + (4*s13*s14*z3^2*z4)/
    (s12*s34^2*z12*z34^2) + (2*s14^2*z3^2*z4)/(s12*s34^2*z12*z34^2) + 
   (6*s23*z3^2*z4)/(s34^2*z12*z34^2) + (4*s13*s23*z3^2*z4)/
    (s12*s34^2*z12*z34^2) + (4*s14*s23*z3^2*z4)/(s12*s34^2*z12*z34^2) + 
   (2*s23^2*z3^2*z4)/(s12*s34^2*z12*z34^2) + 
   (6*s24*z3^2*z4)/(s34^2*z12*z34^2) + (4*s13*s24*z3^2*z4)/
    (s12*s34^2*z12*z34^2) + (4*s14*s24*z3^2*z4)/(s12*s34^2*z12*z34^2) + 
   (4*s23*s24*z3^2*z4)/(s12*s34^2*z12*z34^2) + 
   (2*s24^2*z3^2*z4)/(s12*s34^2*z12*z34^2) + (4*z3^2*z4)/(s34*z12*z34^2) + 
   (2*s13*z3^2*z4)/(s12*s34*z12*z34^2) + (2*s14*z3^2*z4)/
    (s12*s34*z12*z34^2) + (2*s23*z3^2*z4)/(s12*s34*z12*z34^2) + 
   (2*s24*z3^2*z4)/(s12*s34*z12*z34^2) + z4/(s12*z34) + z4/(2*s123*z34) - 
   z4/(2*s124*z34) - (s13*z4)/(4*s12*s123*z34) - 
   (7*s13*z4)/(4*s12*s124*z34) + (s12*z4)/(s124*s134*z34) + 
   (2*s13*z4)/(s124*s134*z34) + (3*s14*z4)/(4*s12*s123*z34) - 
   (7*s14*z4)/(4*s12*s124*z34) + (2*s14*z4)/(s124*s134*z34) - 
   (s23*z4)/(4*s12*s123*z34) - (7*s23*z4)/(4*s12*s124*z34) - 
   (s13*s23*z4)/(s12^2*s123*z34) + (s23*z4)/(s124*s134*z34) - 
   (s14*s23*z4)/(2*s12^2*s123*z34) - (s14*s23*z4)/(2*s12^2*s124*z34) - 
   (2*s12*z4)/(s124*s234*z34) - (2*s13*z4)/(s124*s234*z34) - 
   (2*s14*z4)/(s124*s234*z34) - (4*s23*z4)/(s124*s234*z34) + 
   (3*s24*z4)/(4*s12*s123*z34) - (7*s24*z4)/(4*s12*s124*z34) - 
   (s13*s24*z4)/(2*s12^2*s123*z34) - (s13*s24*z4)/(2*s12^2*s124*z34) + 
   (s24*z4)/(s124*s134*z34) - (s14*s24*z4)/(s12^2*s124*z34) - 
   (4*s24*z4)/(s124*s234*z34) - (3*s13*z4)/(s34^2*z34) - 
   (3*s13^2*z4)/(s12*s34^2*z34) - (3*s12*s13*z4)/(2*s134*s34^2*z34) - 
   (3*s13^2*z4)/(2*s134*s34^2*z34) - (s14*z4)/(s34^2*z34) - 
   (4*s13*s14*z4)/(s12*s34^2*z34) - (s12*s14*z4)/(2*s134*s34^2*z34) - 
   (2*s13*s14*z4)/(s134*s34^2*z34) - (s14^2*z4)/(s12*s34^2*z34) - 
   (s14^2*z4)/(2*s134*s34^2*z34) - (3*s23*z4)/(s34^2*z34) - 
   (6*s13*s23*z4)/(s12*s34^2*z34) - (s13*s23*z4)/(s134*s34^2*z34) + 
   (s13^2*s23*z4)/(2*s12*s134*s34^2*z34) - (5*s14*s23*z4)/(s12*s34^2*z34) - 
   (s13*s14*s23*z4)/(s12^2*s34^2*z34) + (s13*s14*s23*z4)/
    (s12*s134*s34^2*z34) - (s14^2*s23*z4)/(s12^2*s34^2*z34) + 
   (s14^2*s23*z4)/(2*s12*s134*s34^2*z34) - (3*s23^2*z4)/(s12*s34^2*z34) + 
   (s13*s23^2*z4)/(2*s12*s134*s34^2*z34) - (s14*s23^2*z4)/(s12^2*s34^2*z34) + 
   (s14*s23^2*z4)/(2*s12*s134*s34^2*z34) - 
   (3*s12*s23*z4)/(2*s234*s34^2*z34) - (s13*s23*z4)/(s234*s34^2*z34) + 
   (s13^2*s23*z4)/(2*s12*s234*s34^2*z34) - (2*s14*s23*z4)/(s234*s34^2*z34) - 
   (s14^2*s23*z4)/(2*s12*s234*s34^2*z34) - (3*s23^2*z4)/(2*s234*s34^2*z34) + 
   (s13*s23^2*z4)/(2*s12*s234*s34^2*z34) - 
   (s14*s23^2*z4)/(2*s12*s234*s34^2*z34) - (s24*z4)/(s34^2*z34) - 
   (5*s13*s24*z4)/(s12*s34^2*z34) - (s13^2*s24*z4)/(s12^2*s34^2*z34) - 
   (2*s13*s24*z4)/(s134*s34^2*z34) - (s13^2*s24*z4)/(2*s12*s134*s34^2*z34) - 
   (4*s14*s24*z4)/(s12*s34^2*z34) - (3*s13*s14*s24*z4)/(s12^2*s34^2*z34) - 
   (s14*s24*z4)/(s134*s34^2*z34) - (s13*s14*s24*z4)/(s12*s134*s34^2*z34) - 
   (2*s14^2*s24*z4)/(s12^2*s34^2*z34) - (s14^2*s24*z4)/
    (2*s12*s134*s34^2*z34) - (4*s23*s24*z4)/(s12*s34^2*z34) - 
   (s13*s23*s24*z4)/(s12^2*s34^2*z34) - (3*s14*s23*s24*z4)/
    (s12^2*s34^2*z34) - (s12*s24*z4)/(2*s234*s34^2*z34) + 
   (s13^2*s24*z4)/(2*s12*s234*s34^2*z34) - (s14*s24*z4)/(s234*s34^2*z34) - 
   (s14^2*s24*z4)/(2*s12*s234*s34^2*z34) - (2*s23*s24*z4)/(s234*s34^2*z34) + 
   (s13*s23*s24*z4)/(s12*s234*s34^2*z34) - (s14*s23*s24*z4)/
    (s12*s234*s34^2*z34) - (s24^2*z4)/(s12*s34^2*z34) - 
   (s13*s24^2*z4)/(s12^2*s34^2*z34) - (s13*s24^2*z4)/(2*s12*s134*s34^2*z34) - 
   (2*s14*s24^2*z4)/(s12^2*s34^2*z34) - (s14*s24^2*z4)/
    (2*s12*s134*s34^2*z34) - (s24^2*z4)/(2*s234*s34^2*z34) + 
   (s13*s24^2*z4)/(2*s12*s234*s34^2*z34) - 
   (s14*s24^2*z4)/(2*s12*s234*s34^2*z34) + z4/(s34*z34) - 
   (2*s13*z4)/(s12*s34*z34) - (3*s13*z4)/(4*s123*s34*z34) - 
   (5*s13*z4)/(4*s124*s34*z34) - (3*s13^2*z4)/(4*s12*s123*s34*z34) - 
   (5*s13^2*z4)/(4*s12*s124*s34*z34) - (3*s13*z4)/(2*s134*s34*z34) + 
   (s12*s13*z4)/(s124*s134*s34*z34) + (s13^2*z4)/(s124*s134*s34*z34) + 
   (s14*z4)/(4*s123*s34*z34) - (5*s14*z4)/(4*s124*s34*z34) - 
   (s13*s14*z4)/(2*s12*s123*s34*z34) - (5*s13*s14*z4)/(2*s12*s124*s34*z34) - 
   (s14*z4)/(2*s134*s34*z34) + (s12*s14*z4)/(s124*s134*s34*z34) + 
   (2*s13*s14*z4)/(s124*s134*s34*z34) + (s14^2*z4)/(4*s12*s123*s34*z34) - 
   (5*s14^2*z4)/(4*s12*s124*s34*z34) + (s14^2*z4)/(s124*s134*s34*z34) - 
   (2*s23*z4)/(s12*s34*z34) - (3*s23*z4)/(4*s123*s34*z34) - 
   (5*s23*z4)/(4*s124*s34*z34) - (5*s13*s23*z4)/(2*s12*s123*s34*z34) - 
   (5*s13*s23*z4)/(2*s12*s124*s34*z34) - (s13^2*s23*z4)/
    (s12^2*s123*s34*z34) + (s13*s23*z4)/(2*s12*s134*s34*z34) + 
   (s13*s23*z4)/(s124*s134*s34*z34) - (s14*s23*z4)/(s12^2*s34*z34) - 
   (s14*s23*z4)/(s12*s123*s34*z34) - (3*s14*s23*z4)/(s12*s124*s34*z34) - 
   (3*s13*s14*s23*z4)/(2*s12^2*s123*s34*z34) - 
   (s13*s14*s23*z4)/(2*s12^2*s124*s34*z34) + 
   (s14*s23*z4)/(2*s12*s134*s34*z34) + (s14*s23*z4)/(s124*s134*s34*z34) - 
   (s14^2*s23*z4)/(2*s12^2*s123*s34*z34) - 
   (s14^2*s23*z4)/(2*s12^2*s124*s34*z34) - 
   (3*s23^2*z4)/(4*s12*s123*s34*z34) - (5*s23^2*z4)/(4*s12*s124*s34*z34) - 
   (s13*s23^2*z4)/(s12^2*s123*s34*z34) - (s14*s23^2*z4)/
    (2*s12^2*s123*s34*z34) - (s14*s23^2*z4)/(2*s12^2*s124*s34*z34) - 
   (3*s23*z4)/(2*s234*s34*z34) - (2*s12*s23*z4)/(s124*s234*s34*z34) + 
   (s13*s23*z4)/(2*s12*s234*s34*z34) - (2*s13*s23*z4)/(s124*s234*s34*z34) - 
   (s14*s23*z4)/(2*s12*s234*s34*z34) - (2*s14*s23*z4)/(s124*s234*s34*z34) - 
   (2*s23^2*z4)/(s124*s234*s34*z34) + (s24*z4)/(4*s123*s34*z34) - 
   (5*s24*z4)/(4*s124*s34*z34) - (s13*s24*z4)/(s12^2*s34*z34) - 
   (s13*s24*z4)/(s12*s123*s34*z34) - (3*s13*s24*z4)/(s12*s124*s34*z34) - 
   (s13^2*s24*z4)/(2*s12^2*s123*s34*z34) - 
   (s13^2*s24*z4)/(2*s12^2*s124*s34*z34) - 
   (s13*s24*z4)/(2*s12*s134*s34*z34) + (s13*s24*z4)/(s124*s134*s34*z34) - 
   (2*s14*s24*z4)/(s12^2*s34*z34) + (s14*s24*z4)/(2*s12*s123*s34*z34) - 
   (7*s14*s24*z4)/(2*s12*s124*s34*z34) - (s13*s14*s24*z4)/
    (2*s12^2*s123*s34*z34) - (3*s13*s14*s24*z4)/(2*s12^2*s124*s34*z34) - 
   (s14*s24*z4)/(2*s12*s134*s34*z34) + (s14*s24*z4)/(s124*s134*s34*z34) - 
   (s14^2*s24*z4)/(s12^2*s124*s34*z34) - (s23*s24*z4)/(2*s12*s123*s34*z34) - 
   (5*s23*s24*z4)/(2*s12*s124*s34*z34) - (3*s13*s23*s24*z4)/
    (2*s12^2*s123*s34*z34) - (s13*s23*s24*z4)/(2*s12^2*s124*s34*z34) - 
   (s14*s23*s24*z4)/(2*s12^2*s123*s34*z34) - (3*s14*s23*s24*z4)/
    (2*s12^2*s124*s34*z34) - (s24*z4)/(2*s234*s34*z34) - 
   (2*s12*s24*z4)/(s124*s234*s34*z34) + (s13*s24*z4)/(2*s12*s234*s34*z34) - 
   (2*s13*s24*z4)/(s124*s234*s34*z34) - (s14*s24*z4)/(2*s12*s234*s34*z34) - 
   (2*s14*s24*z4)/(s124*s234*s34*z34) - (4*s23*s24*z4)/(s124*s234*s34*z34) + 
   (s24^2*z4)/(4*s12*s123*s34*z34) - (5*s24^2*z4)/(4*s12*s124*s34*z34) - 
   (s13*s24^2*z4)/(2*s12^2*s123*s34*z34) - 
   (s13*s24^2*z4)/(2*s12^2*s124*s34*z34) - 
   (s14*s24^2*z4)/(s12^2*s124*s34*z34) - (2*s24^2*z4)/(s124*s234*s34*z34) + 
   (s34*z4)/(2*s12*s123*z34) - (s34*z4)/(2*s12*s124*z34) + 
   (s34*z4)/(s124*s134*z34) - (2*s34*z4)/(s124*s234*z34) - 
   (z1*z4)/(s12*z12*z34) + (z1*z4)/(2*s123*z12*z34) - 
   (z1*z4)/(2*s124*z12*z34) + (s13*z1*z4)/(4*s12*s123*z12*z34) - 
   (s13*z1*z4)/(4*s12*s124*z12*z34) + (s14*z1*z4)/(4*s12*s123*z12*z34) - 
   (s14*z1*z4)/(4*s12*s124*z12*z34) + (7*s23*z1*z4)/(4*s12*s123*z12*z34) + 
   (s23*z1*z4)/(4*s12*s124*z12*z34) + (s13*s23*z1*z4)/(s12^2*s123*z12*z34) + 
   (s14*s23*z1*z4)/(2*s12^2*s123*z12*z34) + (s14*s23*z1*z4)/
    (2*s12^2*s124*z12*z34) + (s23^2*z1*z4)/(s12^2*s123*z12*z34) + 
   (3*s24*z1*z4)/(4*s12*s123*z12*z34) + (5*s24*z1*z4)/(4*s12*s124*z12*z34) + 
   (s13*s24*z1*z4)/(2*s12^2*s123*z12*z34) + (s13*s24*z1*z4)/
    (2*s12^2*s124*z12*z34) + (s14*s24*z1*z4)/(s12^2*s124*z12*z34) + 
   (s23*s24*z1*z4)/(s12^2*s123*z12*z34) + (s23*s24*z1*z4)/
    (s12^2*s124*z12*z34) + (s24^2*z1*z4)/(s12^2*s124*z12*z34) + 
   (s23*z1*z4)/(s34^2*z12*z34) + (s13*s23*z1*z4)/(s12*s34^2*z12*z34) - 
   (s12*s23*z1*z4)/(2*s134*s34^2*z12*z34) - (3*s13*s23*z1*z4)/
    (4*s134*s34^2*z12*z34) - (s13^2*s23*z1*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (2*s14*s23*z1*z4)/(s12*s34^2*z12*z34) + (s13*s14*s23*z1*z4)/
    (s12^2*s34^2*z12*z34) - (3*s14*s23*z1*z4)/(4*s134*s34^2*z12*z34) - 
   (s13*s14*s23*z1*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*s23*z1*z4)/(s12^2*s34^2*z12*z34) - (s14^2*s23*z1*z4)/
    (4*s12*s134*s34^2*z12*z34) + (s23^2*z1*z4)/(s12*s34^2*z12*z34) - 
   (3*s23^2*z1*z4)/(4*s134*s34^2*z12*z34) - (s13*s23^2*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s23^2*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s14*s23^2*z1*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s23^3*z1*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s12*s23*z1*z4)/(2*s234*s34^2*z12*z34) - (3*s13*s23*z1*z4)/
    (4*s234*s34^2*z12*z34) - (s13^2*s23*z1*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (3*s14*s23*z1*z4)/(4*s234*s34^2*z12*z34) - (s13*s14*s23*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) - (s14^2*s23*z1*z4)/
    (4*s12*s234*s34^2*z12*z34) - (3*s23^2*z1*z4)/(4*s234*s34^2*z12*z34) - 
   (s13*s23^2*z1*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s14*s23^2*z1*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s23^3*z1*z4)/(4*s12*s234*s34^2*z12*z34) + (3*s24*z1*z4)/(s34^2*z12*z34) + 
   (4*s13*s24*z1*z4)/(s12*s34^2*z12*z34) + (s13^2*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) + (s12*s24*z1*z4)/(2*s134*s34^2*z12*z34) + 
   (3*s13*s24*z1*z4)/(4*s134*s34^2*z12*z34) + 
   (s13^2*s24*z1*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (5*s14*s24*z1*z4)/(s12*s34^2*z12*z34) + (3*s13*s14*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) + (3*s14*s24*z1*z4)/(4*s134*s34^2*z12*z34) + 
   (s13*s14*s24*z1*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (2*s14^2*s24*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s14^2*s24*z1*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (6*s23*s24*z1*z4)/(s12*s34^2*z12*z34) + (3*s13*s23*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) + (5*s14*s23*s24*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (2*s23^2*s24*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s23^2*s24*z1*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s12*s24*z1*z4)/(2*s234*s34^2*z12*z34) + (3*s13*s24*z1*z4)/
    (4*s234*s34^2*z12*z34) + (s13^2*s24*z1*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (3*s14*s24*z1*z4)/(4*s234*s34^2*z12*z34) + (s13*s14*s24*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s24*z1*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s23^2*s24*z1*z4)/
    (4*s12*s234*s34^2*z12*z34) + (5*s24^2*z1*z4)/(s12*s34^2*z12*z34) + 
   (3*s13*s24^2*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (3*s24^2*z1*z4)/(4*s134*s34^2*z12*z34) + (s13*s24^2*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (4*s14*s24^2*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s14*s24^2*z1*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (4*s23*s24^2*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s23*s24^2*z1*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (3*s24^2*z1*z4)/(4*s234*s34^2*z12*z34) + (s13*s24^2*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s24^2*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s23*s24^2*z1*z4)/
    (4*s12*s234*s34^2*z12*z34) + (2*s24^3*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s24^3*z1*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s24^3*z1*z4)/(4*s12*s234*s34^2*z12*z34) - (z1*z4)/(s34*z12*z34) + 
   (s12*z1*z4)/(2*s123*s34*z12*z34) - (s12*z1*z4)/(2*s124*s34*z12*z34) - 
   (s13*z1*z4)/(s12*s34*z12*z34) + (3*s13*z1*z4)/(4*s123*s34*z12*z34) - 
   (3*s13*z1*z4)/(4*s124*s34*z12*z34) + (s13^2*z1*z4)/
    (4*s12*s123*s34*z12*z34) - (s13^2*z1*z4)/(4*s12*s124*s34*z12*z34) - 
   (s14*z1*z4)/(s12*s34*z12*z34) + (3*s14*z1*z4)/(4*s123*s34*z12*z34) - 
   (3*s14*z1*z4)/(4*s124*s34*z12*z34) + (s13*s14*z1*z4)/
    (2*s12*s123*s34*z12*z34) - (s13*s14*z1*z4)/(2*s12*s124*s34*z12*z34) + 
   (s14^2*z1*z4)/(4*s12*s123*s34*z12*z34) - 
   (s14^2*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (9*s23*z1*z4)/(4*s123*s34*z12*z34) - (s23*z1*z4)/(4*s124*s34*z12*z34) + 
   (3*s13*s23*z1*z4)/(s12*s123*s34*z12*z34) + 
   (s13^2*s23*z1*z4)/(s12^2*s123*s34*z12*z34) - 
   (s23*z1*z4)/(2*s134*s34*z12*z34) - (s13*s23*z1*z4)/
    (4*s12*s134*s34*z12*z34) + (s14*s23*z1*z4)/(s12^2*s34*z12*z34) + 
   (5*s14*s23*z1*z4)/(2*s12*s123*s34*z12*z34) + 
   (s14*s23*z1*z4)/(2*s12*s124*s34*z12*z34) + (3*s13*s14*s23*z1*z4)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s14*s23*z1*z4)/
    (2*s12^2*s124*s34*z12*z34) - (s14*s23*z1*z4)/(4*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (11*s23^2*z1*z4)/(4*s12*s123*s34*z12*z34) + 
   (s23^2*z1*z4)/(4*s12*s124*s34*z12*z34) + (2*s13*s23^2*z1*z4)/
    (s12^2*s123*s34*z12*z34) - (s23^2*z1*z4)/(4*s12*s134*s34*z12*z34) + 
   (3*s14*s23^2*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23^2*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^3*z1*z4)/(s12^2*s123*s34*z12*z34) - 
   (s23*z1*z4)/(2*s234*s34*z12*z34) - (s13*s23*z1*z4)/
    (4*s12*s234*s34*z12*z34) - (s14*s23*z1*z4)/(4*s12*s234*s34*z12*z34) - 
   (s23^2*z1*z4)/(4*s12*s234*s34*z12*z34) + (2*s24*z1*z4)/(s12*s34*z12*z34) + 
   (5*s24*z1*z4)/(4*s123*s34*z12*z34) + (3*s24*z1*z4)/(4*s124*s34*z12*z34) + 
   (s13*s24*z1*z4)/(s12^2*s34*z12*z34) + (3*s13*s24*z1*z4)/
    (2*s12*s123*s34*z12*z34) + (3*s13*s24*z1*z4)/(2*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s24*z1*z4)/(2*s134*s34*z12*z34) + (s13*s24*z1*z4)/
    (4*s12*s134*s34*z12*z34) + (2*s14*s24*z1*z4)/(s12^2*s34*z12*z34) + 
   (s14*s24*z1*z4)/(s12*s123*s34*z12*z34) + (2*s14*s24*z1*z4)/
    (s12*s124*s34*z12*z34) + (s13*s14*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (3*s13*s14*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s24*z1*z4)/(4*s12*s134*s34*z12*z34) + 
   (s14^2*s24*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (2*s23*s24*z1*z4)/(s12^2*s34*z12*z34) + (7*s23*s24*z1*z4)/
    (2*s12*s123*s34*z12*z34) + (5*s23*s24*z1*z4)/(2*s12*s124*s34*z12*z34) + 
   (5*s13*s23*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (3*s13*s23*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s14*s23*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (5*s14*s23*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (2*s23^2*s24*z1*z4)/(s12^2*s123*s34*z12*z34) + 
   (s23^2*s24*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (s24*z1*z4)/(2*s234*s34*z12*z34) + (s13*s24*z1*z4)/
    (4*s12*s234*s34*z12*z34) + (s14*s24*z1*z4)/(4*s12*s234*s34*z12*z34) + 
   (2*s24^2*z1*z4)/(s12^2*s34*z12*z34) + (3*s24^2*z1*z4)/
    (4*s12*s123*s34*z12*z34) + (9*s24^2*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13*s24^2*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (3*s13*s24^2*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s24^2*z1*z4)/(4*s12*s134*s34*z12*z34) + (2*s14*s24^2*z1*z4)/
    (s12^2*s124*s34*z12*z34) + (s23*s24^2*z1*z4)/(s12^2*s123*s34*z12*z34) + 
   (2*s23*s24^2*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (s24^2*z1*z4)/(4*s12*s234*s34*z12*z34) + 
   (s24^3*z1*z4)/(s12^2*s124*s34*z12*z34) - (2*z1*z2*z4)/(s123*z12^2*z34) - 
   (2*z1*z2*z4)/(s124*z12^2*z34) - (3*s13*z1*z2*z4)/(s12*s123*z12^2*z34) - 
   (s13*z1*z2*z4)/(s12*s124*z12^2*z34) - (s13^2*z1*z2*z4)/
    (s12^2*s123*z12^2*z34) - (s14*z1*z2*z4)/(s12*s123*z12^2*z34) - 
   (3*s14*z1*z2*z4)/(s12*s124*z12^2*z34) - (s13*s14*z1*z2*z4)/
    (s12^2*s123*z12^2*z34) - (s13*s14*z1*z2*z4)/(s12^2*s124*z12^2*z34) - 
   (s14^2*z1*z2*z4)/(s12^2*s124*z12^2*z34) - (3*s23*z1*z2*z4)/
    (s12*s123*z12^2*z34) - (s23*z1*z2*z4)/(s12*s124*z12^2*z34) - 
   (2*s13*s23*z1*z2*z4)/(s12^2*s123*z12^2*z34) - 
   (s14*s23*z1*z2*z4)/(s12^2*s123*z12^2*z34) - 
   (s14*s23*z1*z2*z4)/(s12^2*s124*z12^2*z34) - 
   (s23^2*z1*z2*z4)/(s12^2*s123*z12^2*z34) - 
   (s24*z1*z2*z4)/(s12*s123*z12^2*z34) - (3*s24*z1*z2*z4)/
    (s12*s124*z12^2*z34) - (s13*s24*z1*z2*z4)/(s12^2*s123*z12^2*z34) - 
   (s13*s24*z1*z2*z4)/(s12^2*s124*z12^2*z34) - (2*s14*s24*z1*z2*z4)/
    (s12^2*s124*z12^2*z34) - (s23*s24*z1*z2*z4)/(s12^2*s123*z12^2*z34) - 
   (s23*s24*z1*z2*z4)/(s12^2*s124*z12^2*z34) - 
   (s24^2*z1*z2*z4)/(s12^2*s124*z12^2*z34) - (4*s12*z1*z2*z4)/
    (s34^2*z12^2*z34) - (6*s13*z1*z2*z4)/(s34^2*z12^2*z34) - 
   (2*s13^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (10*s14*z1*z2*z4)/(s34^2*z12^2*z34) - (10*s13*s14*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) - (2*s13^2*s14*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (8*s14^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) - (4*s13*s14^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (2*s14^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (6*s23*z1*z2*z4)/(s34^2*z12^2*z34) - (4*s13*s23*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) - (10*s14*s23*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (4*s13*s14*s23*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (4*s14^2*s23*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s23^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) - (2*s14*s23^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (10*s24*z1*z2*z4)/(s34^2*z12^2*z34) - 
   (10*s13*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (2*s13^2*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (16*s14*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (8*s13*s14*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (6*s14^2*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (10*s23*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (4*s13*s23*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (8*s14*s23*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s23^2*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (8*s24^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) - (4*s13*s24^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (6*s14*s24^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (4*s23*s24^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (2*s24^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (4*z1*z2*z4)/(s34*z12^2*z34) - (2*s12*z1*z2*z4)/(s123*s34*z12^2*z34) - 
   (2*s12*z1*z2*z4)/(s124*s34*z12^2*z34) - (2*s13*z1*z2*z4)/
    (s12*s34*z12^2*z34) - (5*s13*z1*z2*z4)/(s123*s34*z12^2*z34) - 
   (3*s13*z1*z2*z4)/(s124*s34*z12^2*z34) - (4*s13^2*z1*z2*z4)/
    (s12*s123*s34*z12^2*z34) - (s13^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - 
   (s13^3*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (6*s14*z1*z2*z4)/(s12*s34*z12^2*z34) - (3*s14*z1*z2*z4)/
    (s123*s34*z12^2*z34) - (5*s14*z1*z2*z4)/(s124*s34*z12^2*z34) - 
   (2*s13*s14*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (5*s13*s14*z1*z2*z4)/(s12*s123*s34*z12^2*z34) - 
   (5*s13*s14*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - 
   (2*s13^2*s14*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (s13^2*s14*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s14^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (s14^2*z1*z2*z4)/(s12*s123*s34*z12^2*z34) - 
   (4*s14^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - 
   (s13*s14^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s13*s14^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (s14^3*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s23*z1*z2*z4)/(s12*s34*z12^2*z34) - (5*s23*z1*z2*z4)/
    (s123*s34*z12^2*z34) - (3*s23*z1*z2*z4)/(s124*s34*z12^2*z34) - 
   (8*s13*s23*z1*z2*z4)/(s12*s123*s34*z12^2*z34) - 
   (2*s13*s23*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - 
   (3*s13^2*s23*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s14*s23*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (5*s14*s23*z1*z2*z4)/(s12*s123*s34*z12^2*z34) - 
   (5*s14*s23*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - 
   (4*s13*s14*s23*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s13*s14*s23*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (s14^2*s23*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s14^2*s23*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (4*s23^2*z1*z2*z4)/(s12*s123*s34*z12^2*z34) - 
   (s23^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - (3*s13*s23^2*z1*z2*z4)/
    (s12^2*s123*s34*z12^2*z34) - (2*s14*s23^2*z1*z2*z4)/
    (s12^2*s123*s34*z12^2*z34) - (s14*s23^2*z1*z2*z4)/
    (s12^2*s124*s34*z12^2*z34) - (s23^3*z1*z2*z4)/
    (s12^2*s123*s34*z12^2*z34) - (6*s24*z1*z2*z4)/(s12*s34*z12^2*z34) - 
   (3*s24*z1*z2*z4)/(s123*s34*z12^2*z34) - (5*s24*z1*z2*z4)/
    (s124*s34*z12^2*z34) - (2*s13*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (5*s13*s24*z1*z2*z4)/(s12*s123*s34*z12^2*z34) - 
   (5*s13*s24*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - 
   (2*s13^2*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (s13^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (4*s14*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (2*s14*s24*z1*z2*z4)/(s12*s123*s34*z12^2*z34) - 
   (8*s14*s24*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - 
   (2*s13*s14*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (4*s13*s14*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (3*s14^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s23*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (5*s23*s24*z1*z2*z4)/(s12*s123*s34*z12^2*z34) - 
   (5*s23*s24*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - 
   (4*s13*s23*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s13*s23*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s14*s23*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (4*s14*s23*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s23^2*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (s23^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s24^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (s24^2*z1*z2*z4)/(s12*s123*s34*z12^2*z34) - 
   (4*s24^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - 
   (s13*s24^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s13*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (3*s14*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (s23*s24^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s23*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (s24^3*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - (z2*z4)/(s12*z12*z34) + 
   (z2*z4)/(2*s123*z12*z34) - (z2*z4)/(2*s124*z12*z34) + 
   (7*s13*z2*z4)/(4*s12*s123*z12*z34) + (s13*z2*z4)/(4*s12*s124*z12*z34) + 
   (s13^2*z2*z4)/(s12^2*s123*z12*z34) + (3*s14*z2*z4)/(4*s12*s123*z12*z34) + 
   (5*s14*z2*z4)/(4*s12*s124*z12*z34) + (s13*s14*z2*z4)/
    (s12^2*s123*z12*z34) + (s13*s14*z2*z4)/(s12^2*s124*z12*z34) + 
   (s14^2*z2*z4)/(s12^2*s124*z12*z34) + (s23*z2*z4)/(4*s12*s123*z12*z34) - 
   (s23*z2*z4)/(4*s12*s124*z12*z34) + (s13*s23*z2*z4)/(s12^2*s123*z12*z34) + 
   (s14*s23*z2*z4)/(2*s12^2*s123*z12*z34) + (s14*s23*z2*z4)/
    (2*s12^2*s124*z12*z34) + (s24*z2*z4)/(4*s12*s123*z12*z34) - 
   (s24*z2*z4)/(4*s12*s124*z12*z34) + (s13*s24*z2*z4)/
    (2*s12^2*s123*z12*z34) + (s13*s24*z2*z4)/(2*s12^2*s124*z12*z34) + 
   (s14*s24*z2*z4)/(s12^2*s124*z12*z34) + (s13*z2*z4)/(s34^2*z12*z34) + 
   (s13^2*z2*z4)/(s12*s34^2*z12*z34) - (s12*s13*z2*z4)/
    (2*s134*s34^2*z12*z34) - (3*s13^2*z2*z4)/(4*s134*s34^2*z12*z34) - 
   (s13^3*z2*z4)/(4*s12*s134*s34^2*z12*z34) + (3*s14*z2*z4)/(s34^2*z12*z34) + 
   (6*s13*s14*z2*z4)/(s12*s34^2*z12*z34) + (2*s13^2*s14*z2*z4)/
    (s12^2*s34^2*z12*z34) + (s12*s14*z2*z4)/(2*s134*s34^2*z12*z34) - 
   (s13^2*s14*z2*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (5*s14^2*z2*z4)/(s12*s34^2*z12*z34) + (4*s13*s14^2*z2*z4)/
    (s12^2*s34^2*z12*z34) + (3*s14^2*z2*z4)/(4*s134*s34^2*z12*z34) + 
   (s13*s14^2*z2*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (2*s14^3*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s14^3*z2*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s13*s23*z2*z4)/(s12*s34^2*z12*z34) - (3*s13*s23*z2*z4)/
    (4*s134*s34^2*z12*z34) - (s13^2*s23*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (4*s14*s23*z2*z4)/(s12*s34^2*z12*z34) + (3*s13*s14*s23*z2*z4)/
    (s12^2*s34^2*z12*z34) + (3*s14*s23*z2*z4)/(4*s134*s34^2*z12*z34) + 
   (3*s14^2*s23*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s14^2*s23*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s13*s23^2*z2*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s14*s23^2*z2*z4)/(s12^2*s34^2*z12*z34) + (s14*s23^2*z2*z4)/
    (4*s12*s134*s34^2*z12*z34) - (s12*s13*z2*z4)/(2*s234*s34^2*z12*z34) - 
   (3*s13^2*z2*z4)/(4*s234*s34^2*z12*z34) - 
   (s13^3*z2*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s12*s14*z2*z4)/(2*s234*s34^2*z12*z34) - (s13^2*s14*z2*z4)/
    (4*s12*s234*s34^2*z12*z34) + (3*s14^2*z2*z4)/(4*s234*s34^2*z12*z34) + 
   (s13*s14^2*z2*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s14^3*z2*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (3*s13*s23*z2*z4)/(4*s234*s34^2*z12*z34) - 
   (s13^2*s23*z2*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (3*s14*s23*z2*z4)/(4*s234*s34^2*z12*z34) + 
   (s14^2*s23*z2*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s13*s23^2*z2*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s14*s23^2*z2*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (2*s13*s24*z2*z4)/(s12*s34^2*z12*z34) + (s13^2*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) - (3*s13*s24*z2*z4)/(4*s134*s34^2*z12*z34) - 
   (s13^2*s24*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (5*s14*s24*z2*z4)/(s12*s34^2*z12*z34) + (5*s13*s14*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) + (3*s14*s24*z2*z4)/(4*s134*s34^2*z12*z34) + 
   (4*s14^2*s24*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s14^2*s24*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s13*s23*s24*z2*z4)/(s12^2*s34^2*z12*z34) - (s13*s23*s24*z2*z4)/
    (2*s12*s134*s34^2*z12*z34) + (3*s14*s23*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) + (s14*s23*s24*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (3*s13*s24*z2*z4)/(4*s234*s34^2*z12*z34) - 
   (s13^2*s24*z2*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (3*s14*s24*z2*z4)/(4*s234*s34^2*z12*z34) + 
   (s14^2*s24*z2*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s13*s23*s24*z2*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s23*s24*z2*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*s24^2*z2*z4)/(s12^2*s34^2*z12*z34) - (s13*s24^2*z2*z4)/
    (4*s12*s134*s34^2*z12*z34) + (2*s14*s24^2*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s14*s24^2*z2*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s13*s24^2*z2*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s14*s24^2*z2*z4)/(4*s12*s234*s34^2*z12*z34) - (z2*z4)/(s34*z12*z34) + 
   (s12*z2*z4)/(2*s123*s34*z12*z34) - (s12*z2*z4)/(2*s124*s34*z12*z34) + 
   (9*s13*z2*z4)/(4*s123*s34*z12*z34) - (s13*z2*z4)/(4*s124*s34*z12*z34) + 
   (11*s13^2*z2*z4)/(4*s12*s123*s34*z12*z34) + 
   (s13^2*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^3*z2*z4)/(s12^2*s123*s34*z12*z34) - 
   (s13*z2*z4)/(2*s134*s34*z12*z34) - (s13^2*z2*z4)/
    (4*s12*s134*s34*z12*z34) + (2*s14*z2*z4)/(s12*s34*z12*z34) + 
   (5*s14*z2*z4)/(4*s123*s34*z12*z34) + (3*s14*z2*z4)/(4*s124*s34*z12*z34) + 
   (2*s13*s14*z2*z4)/(s12^2*s34*z12*z34) + (7*s13*s14*z2*z4)/
    (2*s12*s123*s34*z12*z34) + (5*s13*s14*z2*z4)/(2*s12*s124*s34*z12*z34) + 
   (2*s13^2*s14*z2*z4)/(s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z2*z4)/(s12^2*s124*s34*z12*z34) + 
   (s14*z2*z4)/(2*s134*s34*z12*z34) + (2*s14^2*z2*z4)/(s12^2*s34*z12*z34) + 
   (3*s14^2*z2*z4)/(4*s12*s123*s34*z12*z34) + 
   (9*s14^2*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14^2*z2*z4)/(s12^2*s123*s34*z12*z34) + 
   (2*s13*s14^2*z2*z4)/(s12^2*s124*s34*z12*z34) + 
   (s14^2*z2*z4)/(4*s12*s134*s34*z12*z34) + 
   (s14^3*z2*z4)/(s12^2*s124*s34*z12*z34) - (s23*z2*z4)/(s12*s34*z12*z34) + 
   (3*s23*z2*z4)/(4*s123*s34*z12*z34) - (3*s23*z2*z4)/(4*s124*s34*z12*z34) + 
   (3*s13*s23*z2*z4)/(s12*s123*s34*z12*z34) + (2*s13^2*s23*z2*z4)/
    (s12^2*s123*s34*z12*z34) - (s13*s23*z2*z4)/(4*s12*s134*s34*z12*z34) + 
   (s14*s23*z2*z4)/(s12^2*s34*z12*z34) + (3*s14*s23*z2*z4)/
    (2*s12*s123*s34*z12*z34) + (3*s14*s23*z2*z4)/(2*s12*s124*s34*z12*z34) + 
   (5*s13*s14*s23*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (3*s13*s14*s23*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s23*z2*z4)/(4*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (3*s14^2*s23*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^2*z2*z4)/(4*s12*s123*s34*z12*z34) - 
   (s23^2*z2*z4)/(4*s12*s124*s34*z12*z34) + (s13*s23^2*z2*z4)/
    (s12^2*s123*s34*z12*z34) + (s14*s23^2*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23^2*z2*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s13*z2*z4)/(2*s234*s34*z12*z34) - (s13^2*z2*z4)/
    (4*s12*s234*s34*z12*z34) + (s14*z2*z4)/(2*s234*s34*z12*z34) + 
   (s14^2*z2*z4)/(4*s12*s234*s34*z12*z34) - (s13*s23*z2*z4)/
    (4*s12*s234*s34*z12*z34) + (s14*s23*z2*z4)/(4*s12*s234*s34*z12*z34) - 
   (s24*z2*z4)/(s12*s34*z12*z34) + (3*s24*z2*z4)/(4*s123*s34*z12*z34) - 
   (3*s24*z2*z4)/(4*s124*s34*z12*z34) + (s13*s24*z2*z4)/(s12^2*s34*z12*z34) + 
   (5*s13*s24*z2*z4)/(2*s12*s123*s34*z12*z34) + 
   (s13*s24*z2*z4)/(2*s12*s124*s34*z12*z34) + (3*s13^2*s24*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) + (s13^2*s24*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) - (s13*s24*z2*z4)/(4*s12*s134*s34*z12*z34) + 
   (2*s14*s24*z2*z4)/(s12^2*s34*z12*z34) + (s14*s24*z2*z4)/
    (s12*s123*s34*z12*z34) + (2*s14*s24*z2*z4)/(s12*s124*s34*z12*z34) + 
   (3*s13*s14*s24*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (5*s13*s14*s24*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s24*z2*z4)/(4*s12*s134*s34*z12*z34) + (2*s14^2*s24*z2*z4)/
    (s12^2*s124*s34*z12*z34) + (s23*s24*z2*z4)/(2*s12*s123*s34*z12*z34) - 
   (s23*s24*z2*z4)/(2*s12*s124*s34*z12*z34) + (3*s13*s23*s24*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s23*s24*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s23*s24*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) + (3*s14*s23*s24*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) - (s13*s24*z2*z4)/(4*s12*s234*s34*z12*z34) + 
   (s14*s24*z2*z4)/(4*s12*s234*s34*z12*z34) + 
   (s24^2*z2*z4)/(4*s12*s123*s34*z12*z34) - 
   (s24^2*z2*z4)/(4*s12*s124*s34*z12*z34) + (s13*s24^2*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s24^2*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s24^2*z2*z4)/(s12^2*s124*s34*z12*z34) - 
   (2*z3*z4)/(s123*z12*z34) - (2*z3*z4)/(s124*z12*z34) - 
   (3*s13*z3*z4)/(2*s12*s123*z12*z34) - (s13*z3*z4)/(2*s12*s124*z12*z34) - 
   (s14*z3*z4)/(2*s12*s123*z12*z34) - (3*s14*z3*z4)/(2*s12*s124*z12*z34) - 
   (3*s23*z3*z4)/(2*s12*s123*z12*z34) - (s23*z3*z4)/(2*s12*s124*z12*z34) - 
   (s24*z3*z4)/(2*s12*s123*z12*z34) - (3*s24*z3*z4)/(2*s12*s124*z12*z34) - 
   (2*s12*z3*z4)/(s34^2*z12*z34) - (3*s13*z3*z4)/(s34^2*z12*z34) - 
   (s13^2*z3*z4)/(s12*s34^2*z12*z34) + (s12^2*z3*z4)/(s134*s34^2*z12*z34) + 
   (3*s12*s13*z3*z4)/(2*s134*s34^2*z12*z34) + 
   (s13^2*z3*z4)/(2*s134*s34^2*z12*z34) - (3*s14*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s14*z3*z4)/(s12*s34^2*z12*z34) + (3*s12*s14*z3*z4)/
    (2*s134*s34^2*z12*z34) + (s13*s14*z3*z4)/(s134*s34^2*z12*z34) - 
   (s14^2*z3*z4)/(s12*s34^2*z12*z34) + (s14^2*z3*z4)/(2*s134*s34^2*z12*z34) - 
   (3*s23*z3*z4)/(s34^2*z12*z34) - (2*s13*s23*z3*z4)/(s12*s34^2*z12*z34) + 
   (3*s12*s23*z3*z4)/(2*s134*s34^2*z12*z34) + 
   (s13*s23*z3*z4)/(s134*s34^2*z12*z34) - (2*s14*s23*z3*z4)/
    (s12*s34^2*z12*z34) + (s14*s23*z3*z4)/(s134*s34^2*z12*z34) - 
   (s23^2*z3*z4)/(s12*s34^2*z12*z34) + (s23^2*z3*z4)/(2*s134*s34^2*z12*z34) + 
   (s12^2*z3*z4)/(s234*s34^2*z12*z34) + (3*s12*s13*z3*z4)/
    (2*s234*s34^2*z12*z34) + (s13^2*z3*z4)/(2*s234*s34^2*z12*z34) + 
   (3*s12*s14*z3*z4)/(2*s234*s34^2*z12*z34) + 
   (s13*s14*z3*z4)/(s234*s34^2*z12*z34) + 
   (s14^2*z3*z4)/(2*s234*s34^2*z12*z34) + (3*s12*s23*z3*z4)/
    (2*s234*s34^2*z12*z34) + (s13*s23*z3*z4)/(s234*s34^2*z12*z34) + 
   (s14*s23*z3*z4)/(s234*s34^2*z12*z34) + 
   (s23^2*z3*z4)/(2*s234*s34^2*z12*z34) - (3*s24*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s24*z3*z4)/(s12*s34^2*z12*z34) + (3*s12*s24*z3*z4)/
    (2*s134*s34^2*z12*z34) + (s13*s24*z3*z4)/(s134*s34^2*z12*z34) - 
   (2*s14*s24*z3*z4)/(s12*s34^2*z12*z34) + (s14*s24*z3*z4)/
    (s134*s34^2*z12*z34) - (2*s23*s24*z3*z4)/(s12*s34^2*z12*z34) + 
   (s23*s24*z3*z4)/(s134*s34^2*z12*z34) + (3*s12*s24*z3*z4)/
    (2*s234*s34^2*z12*z34) + (s13*s24*z3*z4)/(s234*s34^2*z12*z34) + 
   (s14*s24*z3*z4)/(s234*s34^2*z12*z34) + (s23*s24*z3*z4)/
    (s234*s34^2*z12*z34) - (s24^2*z3*z4)/(s12*s34^2*z12*z34) + 
   (s24^2*z3*z4)/(2*s134*s34^2*z12*z34) + 
   (s24^2*z3*z4)/(2*s234*s34^2*z12*z34) - (2*z3*z4)/(s34*z12*z34) - 
   (2*s12*z3*z4)/(s123*s34*z12*z34) - (2*s12*z3*z4)/(s124*s34*z12*z34) - 
   (s13*z3*z4)/(s12*s34*z12*z34) - (7*s13*z3*z4)/(2*s123*s34*z12*z34) - 
   (5*s13*z3*z4)/(2*s124*s34*z12*z34) - (3*s13^2*z3*z4)/
    (2*s12*s123*s34*z12*z34) - (s13^2*z3*z4)/(2*s12*s124*s34*z12*z34) + 
   (s12*z3*z4)/(s134*s34*z12*z34) + (s13*z3*z4)/(2*s134*s34*z12*z34) - 
   (s14*z3*z4)/(s12*s34*z12*z34) - (5*s14*z3*z4)/(2*s123*s34*z12*z34) - 
   (7*s14*z3*z4)/(2*s124*s34*z12*z34) - (2*s13*s14*z3*z4)/
    (s12*s123*s34*z12*z34) - (2*s13*s14*z3*z4)/(s12*s124*s34*z12*z34) + 
   (s14*z3*z4)/(2*s134*s34*z12*z34) - (s14^2*z3*z4)/
    (2*s12*s123*s34*z12*z34) - (3*s14^2*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s23*z3*z4)/(s12*s34*z12*z34) - (7*s23*z3*z4)/(2*s123*s34*z12*z34) - 
   (5*s23*z3*z4)/(2*s124*s34*z12*z34) - (3*s13*s23*z3*z4)/
    (s12*s123*s34*z12*z34) - (s13*s23*z3*z4)/(s12*s124*s34*z12*z34) + 
   (s23*z3*z4)/(2*s134*s34*z12*z34) - (2*s14*s23*z3*z4)/
    (s12*s123*s34*z12*z34) - (2*s14*s23*z3*z4)/(s12*s124*s34*z12*z34) - 
   (3*s23^2*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s23^2*z3*z4)/(2*s12*s124*s34*z12*z34) + (s12*z3*z4)/(s234*s34*z12*z34) + 
   (s13*z3*z4)/(2*s234*s34*z12*z34) + (s14*z3*z4)/(2*s234*s34*z12*z34) + 
   (s23*z3*z4)/(2*s234*s34*z12*z34) - (s24*z3*z4)/(s12*s34*z12*z34) - 
   (5*s24*z3*z4)/(2*s123*s34*z12*z34) - (7*s24*z3*z4)/(2*s124*s34*z12*z34) - 
   (2*s13*s24*z3*z4)/(s12*s123*s34*z12*z34) - 
   (2*s13*s24*z3*z4)/(s12*s124*s34*z12*z34) + 
   (s24*z3*z4)/(2*s134*s34*z12*z34) - (s14*s24*z3*z4)/
    (s12*s123*s34*z12*z34) - (3*s14*s24*z3*z4)/(s12*s124*s34*z12*z34) - 
   (2*s23*s24*z3*z4)/(s12*s123*s34*z12*z34) - 
   (2*s23*s24*z3*z4)/(s12*s124*s34*z12*z34) + 
   (s24*z3*z4)/(2*s234*s34*z12*z34) - (s24^2*z3*z4)/
    (2*s12*s123*s34*z12*z34) - (3*s24^2*z3*z4)/(2*s12*s124*s34*z12*z34) + 
   (4*s12*z3*z4^2)/(s34^2*z12*z34^2) + (6*s13*z3*z4^2)/(s34^2*z12*z34^2) + 
   (2*s13^2*z3*z4^2)/(s12*s34^2*z12*z34^2) + 
   (6*s14*z3*z4^2)/(s34^2*z12*z34^2) + (4*s13*s14*z3*z4^2)/
    (s12*s34^2*z12*z34^2) + (2*s14^2*z3*z4^2)/(s12*s34^2*z12*z34^2) + 
   (6*s23*z3*z4^2)/(s34^2*z12*z34^2) + (4*s13*s23*z3*z4^2)/
    (s12*s34^2*z12*z34^2) + (4*s14*s23*z3*z4^2)/(s12*s34^2*z12*z34^2) + 
   (2*s23^2*z3*z4^2)/(s12*s34^2*z12*z34^2) + 
   (6*s24*z3*z4^2)/(s34^2*z12*z34^2) + (4*s13*s24*z3*z4^2)/
    (s12*s34^2*z12*z34^2) + (4*s14*s24*z3*z4^2)/(s12*s34^2*z12*z34^2) + 
   (4*s23*s24*z3*z4^2)/(s12*s34^2*z12*z34^2) + 
   (2*s24^2*z3*z4^2)/(s12*s34^2*z12*z34^2) + (4*z3*z4^2)/(s34*z12*z34^2) + 
   (2*s13*z3*z4^2)/(s12*s34*z12*z34^2) + (2*s14*z3*z4^2)/
    (s12*s34*z12*z34^2) + (2*s23*z3*z4^2)/(s12*s34*z12*z34^2) + 
   (2*s24*z3*z4^2)/(s12*s34*z12*z34^2) - z4^2/(2*s123*z12*z34) - 
   (3*z4^2)/(2*s124*z12*z34) - (s13*z4^2)/(2*s12*s123*z12*z34) - 
   (s13*z4^2)/(2*s12*s124*z12*z34) - (s14*z4^2)/(s12*s124*z12*z34) - 
   (s23*z4^2)/(2*s12*s123*z12*z34) - (s23*z4^2)/(2*s12*s124*z12*z34) - 
   (s24*z4^2)/(s12*s124*z12*z34) - (3*s12*z4^2)/(s34^2*z12*z34) - 
   (4*s13*z4^2)/(s34^2*z12*z34) - (s13^2*z4^2)/(s12*s34^2*z12*z34) - 
   (s12^2*z4^2)/(2*s134*s34^2*z12*z34) - (3*s12*s13*z4^2)/
    (4*s134*s34^2*z12*z34) - (s13^2*z4^2)/(4*s134*s34^2*z12*z34) - 
   (5*s14*z4^2)/(s34^2*z12*z34) - (3*s13*s14*z4^2)/(s12*s34^2*z12*z34) - 
   (3*s12*s14*z4^2)/(4*s134*s34^2*z12*z34) - 
   (s13*s14*z4^2)/(2*s134*s34^2*z12*z34) - 
   (2*s14^2*z4^2)/(s12*s34^2*z12*z34) - (s14^2*z4^2)/(4*s134*s34^2*z12*z34) - 
   (4*s23*z4^2)/(s34^2*z12*z34) - (2*s13*s23*z4^2)/(s12*s34^2*z12*z34) - 
   (3*s12*s23*z4^2)/(4*s134*s34^2*z12*z34) - 
   (s13*s23*z4^2)/(2*s134*s34^2*z12*z34) - (3*s14*s23*z4^2)/
    (s12*s34^2*z12*z34) - (s14*s23*z4^2)/(2*s134*s34^2*z12*z34) - 
   (s23^2*z4^2)/(s12*s34^2*z12*z34) - (s23^2*z4^2)/(4*s134*s34^2*z12*z34) - 
   (s12^2*z4^2)/(2*s234*s34^2*z12*z34) - (3*s12*s13*z4^2)/
    (4*s234*s34^2*z12*z34) - (s13^2*z4^2)/(4*s234*s34^2*z12*z34) - 
   (3*s12*s14*z4^2)/(4*s234*s34^2*z12*z34) - 
   (s13*s14*z4^2)/(2*s234*s34^2*z12*z34) - 
   (s14^2*z4^2)/(4*s234*s34^2*z12*z34) - (3*s12*s23*z4^2)/
    (4*s234*s34^2*z12*z34) - (s13*s23*z4^2)/(2*s234*s34^2*z12*z34) - 
   (s14*s23*z4^2)/(2*s234*s34^2*z12*z34) - 
   (s23^2*z4^2)/(4*s234*s34^2*z12*z34) - (5*s24*z4^2)/(s34^2*z12*z34) - 
   (3*s13*s24*z4^2)/(s12*s34^2*z12*z34) - (3*s12*s24*z4^2)/
    (4*s134*s34^2*z12*z34) - (s13*s24*z4^2)/(2*s134*s34^2*z12*z34) - 
   (4*s14*s24*z4^2)/(s12*s34^2*z12*z34) - (s14*s24*z4^2)/
    (2*s134*s34^2*z12*z34) - (3*s23*s24*z4^2)/(s12*s34^2*z12*z34) - 
   (s23*s24*z4^2)/(2*s134*s34^2*z12*z34) - (3*s12*s24*z4^2)/
    (4*s234*s34^2*z12*z34) - (s13*s24*z4^2)/(2*s234*s34^2*z12*z34) - 
   (s14*s24*z4^2)/(2*s234*s34^2*z12*z34) - 
   (s23*s24*z4^2)/(2*s234*s34^2*z12*z34) - 
   (2*s24^2*z4^2)/(s12*s34^2*z12*z34) - (s24^2*z4^2)/(4*s134*s34^2*z12*z34) - 
   (s24^2*z4^2)/(4*s234*s34^2*z12*z34) - (3*z4^2)/(s34*z12*z34) - 
   (s12*z4^2)/(2*s123*s34*z12*z34) - (3*s12*z4^2)/(2*s124*s34*z12*z34) - 
   (s13*z4^2)/(s12*s34*z12*z34) - (s13*z4^2)/(s123*s34*z12*z34) - 
   (2*s13*z4^2)/(s124*s34*z12*z34) - (s13^2*z4^2)/(2*s12*s123*s34*z12*z34) - 
   (s13^2*z4^2)/(2*s12*s124*s34*z12*z34) - (s12*z4^2)/(2*s134*s34*z12*z34) - 
   (s13*z4^2)/(4*s134*s34*z12*z34) - (2*s14*z4^2)/(s12*s34*z12*z34) - 
   (s14*z4^2)/(2*s123*s34*z12*z34) - (5*s14*z4^2)/(2*s124*s34*z12*z34) - 
   (s13*s14*z4^2)/(2*s12*s123*s34*z12*z34) - (3*s13*s14*z4^2)/
    (2*s12*s124*s34*z12*z34) - (s14*z4^2)/(4*s134*s34*z12*z34) - 
   (s14^2*z4^2)/(s12*s124*s34*z12*z34) - (s23*z4^2)/(s12*s34*z12*z34) - 
   (s23*z4^2)/(s123*s34*z12*z34) - (2*s23*z4^2)/(s124*s34*z12*z34) - 
   (s13*s23*z4^2)/(s12*s123*s34*z12*z34) - 
   (s13*s23*z4^2)/(s12*s124*s34*z12*z34) - (s23*z4^2)/(4*s134*s34*z12*z34) - 
   (s14*s23*z4^2)/(2*s12*s123*s34*z12*z34) - (3*s14*s23*z4^2)/
    (2*s12*s124*s34*z12*z34) - (s23^2*z4^2)/(2*s12*s123*s34*z12*z34) - 
   (s23^2*z4^2)/(2*s12*s124*s34*z12*z34) - (s12*z4^2)/(2*s234*s34*z12*z34) - 
   (s13*z4^2)/(4*s234*s34*z12*z34) - (s14*z4^2)/(4*s234*s34*z12*z34) - 
   (s23*z4^2)/(4*s234*s34*z12*z34) - (2*s24*z4^2)/(s12*s34*z12*z34) - 
   (s24*z4^2)/(2*s123*s34*z12*z34) - (5*s24*z4^2)/(2*s124*s34*z12*z34) - 
   (s13*s24*z4^2)/(2*s12*s123*s34*z12*z34) - (3*s13*s24*z4^2)/
    (2*s12*s124*s34*z12*z34) - (s24*z4^2)/(4*s134*s34*z12*z34) - 
   (2*s14*s24*z4^2)/(s12*s124*s34*z12*z34) - 
   (s23*s24*z4^2)/(2*s12*s123*s34*z12*z34) - (3*s23*s24*z4^2)/
    (2*s12*s124*s34*z12*z34) - (s24*z4^2)/(4*s234*s34*z12*z34) - 
   (s24^2*z4^2)/(s12*s124*s34*z12*z34)) + 
 k4k3*(-6/s12 + D/(2*s12) - 2/s123 - 2/s124 - (4*s12)/(s123*s124) + 
   (D*s12)/(s123*s124) + s13/(2*s12*s123) - (D*s13)/(4*s12*s123) - 
   (3*s13)/(s12*s124) + (D*s13)/(4*s12*s124) - (4*s13)/(s123*s124) + 
   (D*s13)/(s123*s124) - 4/s134 + D/(2*s134) - (2*s12)/(s123*s134) + 
   s12/(s124*s134) + (2*s13)/(s123*s134) - (D*s13)/(2*s123*s134) + 
   (2*s13)/(s124*s134) - (D*s13)/(4*s124*s134) - (3*s14)/(s12*s123) + 
   (D*s14)/(4*s12*s123) + s14/(2*s12*s124) - (D*s14)/(4*s12*s124) - 
   (4*s14)/(s123*s124) + (D*s14)/(s123*s124) - (4*s14)/(s123*s134) + 
   (D*s14)/(2*s123*s134) - s14/(s124*s134) + (D*s14)/(4*s124*s134) + 
   s23/(2*s12*s123) - (D*s23)/(4*s12*s123) - (3*s23)/(s12*s124) + 
   (D*s23)/(4*s12*s124) - (4*s23)/(s123*s124) + (D*s23)/(s123*s124) + 
   (3*s13*s23)/(s12^2*s123) - (D*s23)/(2*s123*s134) + (2*s23)/(s124*s134) - 
   (D*s23)/(4*s124*s134) + (2*s13*s23)/(s12*s123*s134) + 
   (3*s14*s23)/(2*s12^2*s123) + (3*s14*s23)/(2*s12^2*s124) + 
   (2*s14*s23)/(s12*s123*s124) + (2*s13*s14*s23)/(s12^2*s123*s124) - 
   (s14*s23)/(s12*s124*s134) + (2*s14^2*s23)/(s12^2*s123*s124) + 
   (2*s14*s23^2)/(s12^2*s123*s124) - 4/s234 + D/(2*s234) + s12/(s123*s234) - 
   (2*s12)/(s124*s234) + (D*s13)/(4*s123*s234) - (4*s13)/(s124*s234) + 
   (D*s13)/(2*s124*s234) - (6*s12)/(s134*s234) + (D*s12)/(s134*s234) + 
   (2*s14)/(s123*s234) - (D*s14)/(4*s123*s234) - (D*s14)/(2*s124*s234) - 
   s23/(s123*s234) + (D*s23)/(4*s123*s234) - (4*s23)/(s124*s234) + 
   (D*s23)/(2*s124*s234) - (s13*s23)/(s12*s123*s234) - 
   (s14*s23)/(s12*s123*s234) - (3*s24)/(s12*s123) + (D*s24)/(4*s12*s123) + 
   s24/(2*s12*s124) - (D*s24)/(4*s12*s124) - (4*s24)/(s123*s124) + 
   (D*s24)/(s123*s124) + (3*s13*s24)/(2*s12^2*s123) + 
   (3*s13*s24)/(2*s12^2*s124) + (2*s13*s24)/(s12*s123*s124) + 
   (2*s13^2*s24)/(s12^2*s123*s124) - (4*s24)/(s123*s134) + 
   (D*s24)/(2*s123*s134) + (D*s24)/(4*s124*s134) + 
   (2*s13*s24)/(s12*s123*s134) + (3*s14*s24)/(s12^2*s124) + 
   (2*s13*s14*s24)/(s12^2*s123*s124) - (s14*s24)/(s12*s124*s134) + 
   (2*s13*s23*s24)/(s12^2*s123*s124) + (2*s14*s23*s24)/(s12^2*s123*s124) + 
   (2*s24)/(s123*s234) - (D*s24)/(4*s123*s234) + (2*s24)/(s124*s234) - 
   (D*s24)/(2*s124*s234) + (2*s13*s24)/(s12*s124*s234) + 
   (2*s14*s24)/(s12*s124*s234) + (2*s13*s24^2)/(s12^2*s123*s124) + 
   s13/s34^2 + s13^2/(s12*s34^2) + (s12*s13)/(2*s134*s34^2) + 
   s13^2/(2*s134*s34^2) + s14/s34^2 + (2*s13*s14)/(s12*s34^2) + 
   (s12*s14)/(2*s134*s34^2) + (s13*s14)/(s134*s34^2) + s14^2/(s12*s34^2) + 
   s14^2/(2*s134*s34^2) + s23/s34^2 + (4*s13*s23)/(s12*s34^2) + 
   (2*s13^2*s23)/(s12^2*s34^2) + (s13*s23)/(s134*s34^2) + 
   (s13^2*s23)/(2*s12*s134*s34^2) + (5*s14*s23)/(s12*s34^2) + 
   (5*s13*s14*s23)/(s12^2*s34^2) + (2*s14*s23)/(s134*s34^2) + 
   (2*s13*s14*s23)/(s12*s134*s34^2) + (3*s14^2*s23)/(s12^2*s34^2) + 
   (3*s14^2*s23)/(2*s12*s134*s34^2) + s23^2/(s12*s34^2) + 
   (2*s13*s23^2)/(s12^2*s34^2) + (s13*s23^2)/(2*s12*s134*s34^2) + 
   (3*s14*s23^2)/(s12^2*s34^2) + (3*s14*s23^2)/(2*s12*s134*s34^2) + 
   (s12*s23)/(2*s234*s34^2) + (s13*s23)/(s234*s34^2) + 
   (s13^2*s23)/(2*s12*s234*s34^2) + (2*s14*s23)/(s234*s34^2) + 
   (2*s13*s14*s23)/(s12*s234*s34^2) + (2*s12*s14*s23)/(s134*s234*s34^2) + 
   (2*s13*s14*s23)/(s134*s234*s34^2) + (3*s14^2*s23)/(2*s12*s234*s34^2) + 
   (2*s14^2*s23)/(s134*s234*s34^2) + s23^2/(2*s234*s34^2) + 
   (s13*s23^2)/(2*s12*s234*s34^2) + (3*s14*s23^2)/(2*s12*s234*s34^2) + 
   (2*s14*s23^2)/(s134*s234*s34^2) + s24/s34^2 + (5*s13*s24)/(s12*s34^2) + 
   (3*s13^2*s24)/(s12^2*s34^2) + (2*s13*s24)/(s134*s34^2) + 
   (3*s13^2*s24)/(2*s12*s134*s34^2) + (4*s14*s24)/(s12*s34^2) + 
   (5*s13*s14*s24)/(s12^2*s34^2) + (s14*s24)/(s134*s34^2) + 
   (2*s13*s14*s24)/(s12*s134*s34^2) + (2*s14^2*s24)/(s12^2*s34^2) + 
   (s14^2*s24)/(2*s12*s134*s34^2) + (2*s23*s24)/(s12*s34^2) + 
   (5*s13*s23*s24)/(s12^2*s34^2) + (2*s13*s23*s24)/(s12*s134*s34^2) + 
   (5*s14*s23*s24)/(s12^2*s34^2) + (2*s14*s23*s24)/(s12*s134*s34^2) + 
   (s12*s24)/(2*s234*s34^2) + (2*s13*s24)/(s234*s34^2) + 
   (3*s13^2*s24)/(2*s12*s234*s34^2) + (2*s12*s13*s24)/(s134*s234*s34^2) + 
   (2*s13^2*s24)/(s134*s234*s34^2) + (s14*s24)/(s234*s34^2) + 
   (2*s13*s14*s24)/(s12*s234*s34^2) + (2*s13*s14*s24)/(s134*s234*s34^2) + 
   (s14^2*s24)/(2*s12*s234*s34^2) + (s23*s24)/(s234*s34^2) + 
   (2*s13*s23*s24)/(s12*s234*s34^2) + (2*s13*s23*s24)/(s134*s234*s34^2) + 
   (2*s14*s23*s24)/(s12*s234*s34^2) + (2*s14*s23*s24)/(s134*s234*s34^2) + 
   s24^2/(s12*s34^2) + (3*s13*s24^2)/(s12^2*s34^2) + 
   (3*s13*s24^2)/(2*s12*s134*s34^2) + (2*s14*s24^2)/(s12^2*s34^2) + 
   (s14*s24^2)/(2*s12*s134*s34^2) + s24^2/(2*s234*s34^2) + 
   (3*s13*s24^2)/(2*s12*s234*s34^2) + (2*s13*s24^2)/(s134*s234*s34^2) + 
   (s14*s24^2)/(2*s12*s234*s34^2) - 6/s34 + D/(2*s34) - (5*s13)/(s12*s34) + 
   (D*s13)/(2*s12*s34) + (5*s13)/(2*s123*s34) - (D*s13)/(4*s123*s34) - 
   s13/(s124*s34) + (D*s13)/(4*s124*s34) + (5*s13^2)/(2*s12*s123*s34) - 
   (D*s13^2)/(4*s12*s123*s34) - s13^2/(s12*s124*s34) + 
   (D*s13^2)/(4*s12*s124*s34) - (4*s12)/(s134*s34) + (D*s12)/(2*s134*s34) - 
   (7*s13)/(2*s134*s34) + (D*s13)/(2*s134*s34) + 
   (4*s12*s13)/(s123*s134*s34) - (D*s12*s13)/(2*s123*s134*s34) + 
   (s12*s13)/(s124*s134*s34) - (D*s12*s13)/(4*s124*s134*s34) + 
   (4*s13^2)/(s123*s134*s34) - (D*s13^2)/(2*s123*s134*s34) + 
   s13^2/(s124*s134*s34) - (D*s13^2)/(4*s124*s134*s34) - (5*s14)/(s12*s34) + 
   (D*s14)/(2*s12*s34) - s14/(s123*s34) + (D*s14)/(4*s123*s34) + 
   (5*s14)/(2*s124*s34) - (D*s14)/(4*s124*s34) + 
   (3*s13*s14)/(2*s12*s123*s34) + (3*s13*s14)/(2*s12*s124*s34) - 
   (7*s14)/(2*s134*s34) + (D*s14)/(2*s134*s34) - 
   (2*s12*s14)/(s123*s134*s34) + (D*s12*s14)/(2*s123*s134*s34) - 
   (2*s12*s14)/(s124*s134*s34) + (D*s12*s14)/(4*s124*s134*s34) + 
   (2*s13*s14)/(s123*s134*s34) - (s13*s14)/(s124*s134*s34) - 
   s14^2/(s12*s123*s34) + (D*s14^2)/(4*s12*s123*s34) + 
   (5*s14^2)/(2*s12*s124*s34) - (D*s14^2)/(4*s12*s124*s34) - 
   (2*s14^2)/(s123*s134*s34) + (D*s14^2)/(2*s123*s134*s34) - 
   (2*s14^2)/(s124*s134*s34) + (D*s14^2)/(4*s124*s134*s34) - 
   (5*s23)/(s12*s34) + (D*s23)/(2*s12*s34) + (5*s23)/(2*s123*s34) - 
   (D*s23)/(4*s123*s34) - s23/(s124*s34) + (D*s23)/(4*s124*s34) + 
   (2*s13*s23)/(s12^2*s34) + (8*s13*s23)/(s12*s123*s34) - 
   (D*s13*s23)/(2*s12*s123*s34) - (2*s13*s23)/(s12*s124*s34) + 
   (D*s13*s23)/(2*s12*s124*s34) + (3*s13^2*s23)/(s12^2*s123*s34) - 
   (4*s23)/(s134*s34) + (D*s23)/(2*s134*s34) + (2*s12*s23)/(s123*s134*s34) - 
   (D*s12*s23)/(2*s123*s134*s34) + (s12*s23)/(s124*s134*s34) - 
   (D*s12*s23)/(4*s124*s134*s34) + (s13*s23)/(2*s12*s134*s34) + 
   (8*s13*s23)/(s123*s134*s34) - (D*s13*s23)/(s123*s134*s34) + 
   (2*s13*s23)/(s124*s134*s34) - (D*s13*s23)/(2*s124*s134*s34) + 
   (2*s13^2*s23)/(s12*s123*s134*s34) + (3*s14*s23)/(s12^2*s34) + 
   (3*s14*s23)/(s12*s123*s34) + (3*s14*s23)/(s12*s124*s34) + 
   (9*s13*s14*s23)/(2*s12^2*s123*s34) + (3*s13*s14*s23)/(2*s12^2*s124*s34) + 
   (3*s14*s23)/(2*s12*s134*s34) - (2*s14*s23)/(s124*s134*s34) + 
   (2*s13*s14*s23)/(s12*s123*s134*s34) - (s13*s14*s23)/(s12*s124*s134*s34) + 
   (3*s14^2*s23)/(2*s12^2*s123*s34) + (3*s14^2*s23)/(2*s12^2*s124*s34) - 
   (s14^2*s23)/(s12*s124*s134*s34) + (5*s23^2)/(2*s12*s123*s34) - 
   (D*s23^2)/(4*s12*s123*s34) - s23^2/(s12*s124*s34) + 
   (D*s23^2)/(4*s12*s124*s34) + (3*s13*s23^2)/(s12^2*s123*s34) + 
   (2*s23^2)/(s123*s134*s34) - (D*s23^2)/(2*s123*s134*s34) + 
   s23^2/(s124*s134*s34) - (D*s23^2)/(4*s124*s134*s34) + 
   (2*s13*s23^2)/(s12*s123*s134*s34) + (3*s14*s23^2)/(2*s12^2*s123*s34) + 
   (3*s14*s23^2)/(2*s12^2*s124*s34) - (s14*s23^2)/(s12*s124*s134*s34) - 
   (4*s12)/(s234*s34) + (D*s12)/(2*s234*s34) - (4*s13)/(s234*s34) + 
   (D*s13)/(2*s234*s34) - (s12*s13)/(s123*s234*s34) + 
   (D*s12*s13)/(4*s123*s234*s34) - (2*s12*s13)/(s124*s234*s34) + 
   (D*s12*s13)/(2*s124*s234*s34) - s13^2/(s123*s234*s34) + 
   (D*s13^2)/(4*s123*s234*s34) - (2*s13^2)/(s124*s234*s34) + 
   (D*s13^2)/(2*s124*s234*s34) - (6*s12^2)/(s134*s234*s34) + 
   (D*s12^2)/(s134*s234*s34) - (6*s12*s13)/(s134*s234*s34) + 
   (D*s12*s13)/(s134*s234*s34) - (4*s14)/(s234*s34) + (D*s14)/(2*s234*s34) + 
   (s12*s14)/(s123*s234*s34) - (D*s12*s14)/(4*s123*s234*s34) + 
   (2*s12*s14)/(s124*s234*s34) - (D*s12*s14)/(2*s124*s234*s34) - 
   (6*s12*s14)/(s134*s234*s34) + (D*s12*s14)/(s134*s234*s34) + 
   s14^2/(s123*s234*s34) - (D*s14^2)/(4*s123*s234*s34) + 
   (2*s14^2)/(s124*s234*s34) - (D*s14^2)/(2*s124*s234*s34) - 
   (7*s23)/(2*s234*s34) + (D*s23)/(2*s234*s34) - 
   (2*s12*s23)/(s123*s234*s34) + (D*s12*s23)/(4*s123*s234*s34) - 
   (2*s12*s23)/(s124*s234*s34) + (D*s12*s23)/(2*s124*s234*s34) + 
   (s13*s23)/(2*s12*s234*s34) - (4*s13*s23)/(s123*s234*s34) + 
   (D*s13*s23)/(2*s123*s234*s34) - (4*s13*s23)/(s124*s234*s34) + 
   (D*s13*s23)/(s124*s234*s34) - (s13^2*s23)/(s12*s123*s234*s34) - 
   (6*s12*s23)/(s134*s234*s34) + (D*s12*s23)/(s134*s234*s34) + 
   (3*s14*s23)/(2*s12*s234*s34) - (2*s14*s23)/(s123*s234*s34) - 
   (2*s13*s14*s23)/(s12*s123*s234*s34) + (2*s14*s23)/(s134*s234*s34) - 
   (s14^2*s23)/(s12*s123*s234*s34) - (2*s23^2)/(s123*s234*s34) + 
   (D*s23^2)/(4*s123*s234*s34) - (2*s23^2)/(s124*s234*s34) + 
   (D*s23^2)/(2*s124*s234*s34) - (s13*s23^2)/(s12*s123*s234*s34) - 
   (s14*s23^2)/(s12*s123*s234*s34) - (5*s24)/(s12*s34) + 
   (D*s24)/(2*s12*s34) - s24/(s123*s34) + (D*s24)/(4*s123*s34) + 
   (5*s24)/(2*s124*s34) - (D*s24)/(4*s124*s34) + (3*s13*s24)/(s12^2*s34) + 
   (3*s13*s24)/(s12*s123*s34) + (3*s13*s24)/(s12*s124*s34) + 
   (3*s13^2*s24)/(2*s12^2*s123*s34) + (3*s13^2*s24)/(2*s12^2*s124*s34) - 
   (4*s24)/(s134*s34) + (D*s24)/(2*s134*s34) - (2*s12*s24)/(s123*s134*s34) + 
   (D*s12*s24)/(2*s123*s134*s34) - (s12*s24)/(s124*s134*s34) + 
   (D*s12*s24)/(4*s124*s134*s34) + (3*s13*s24)/(2*s12*s134*s34) + 
   (4*s13*s24)/(s123*s134*s34) + (2*s13^2*s24)/(s12*s123*s134*s34) + 
   (2*s14*s24)/(s12^2*s34) - (2*s14*s24)/(s12*s123*s34) + 
   (D*s14*s24)/(2*s12*s123*s34) + (8*s14*s24)/(s12*s124*s34) - 
   (D*s14*s24)/(2*s12*s124*s34) + (3*s13*s14*s24)/(2*s12^2*s123*s34) + 
   (9*s13*s14*s24)/(2*s12^2*s124*s34) + (s14*s24)/(2*s12*s134*s34) - 
   (4*s14*s24)/(s123*s134*s34) + (D*s14*s24)/(s123*s134*s34) - 
   (4*s14*s24)/(s124*s134*s34) + (D*s14*s24)/(2*s124*s134*s34) + 
   (2*s13*s14*s24)/(s12*s123*s134*s34) - (s13*s14*s24)/(s12*s124*s134*s34) + 
   (3*s14^2*s24)/(s12^2*s124*s34) - (s14^2*s24)/(s12*s124*s134*s34) + 
   (3*s23*s24)/(2*s12*s123*s34) + (3*s23*s24)/(2*s12*s124*s34) + 
   (9*s13*s23*s24)/(2*s12^2*s123*s34) + (3*s13*s23*s24)/(2*s12^2*s124*s34) + 
   (4*s13*s23*s24)/(s12*s123*s134*s34) + (3*s14*s23*s24)/(2*s12^2*s123*s34) + 
   (9*s14*s23*s24)/(2*s12^2*s124*s34) - (2*s14*s23*s24)/(s12*s124*s134*s34) - 
   (7*s24)/(2*s234*s34) + (D*s24)/(2*s234*s34) + (s12*s24)/(s123*s234*s34) - 
   (D*s12*s24)/(4*s123*s234*s34) + (4*s12*s24)/(s124*s234*s34) - 
   (D*s12*s24)/(2*s124*s234*s34) + (3*s13*s24)/(2*s12*s234*s34) + 
   (4*s13*s24)/(s124*s234*s34) + (2*s13^2*s24)/(s12*s124*s234*s34) - 
   (6*s12*s24)/(s134*s234*s34) + (D*s12*s24)/(s134*s234*s34) + 
   (2*s13*s24)/(s134*s234*s34) + (s14*s24)/(2*s12*s234*s34) + 
   (2*s14*s24)/(s123*s234*s34) - (D*s14*s24)/(2*s123*s234*s34) + 
   (8*s14*s24)/(s124*s234*s34) - (D*s14*s24)/(s124*s234*s34) + 
   (4*s13*s14*s24)/(s12*s124*s234*s34) + (2*s14^2*s24)/(s12*s124*s234*s34) - 
   (s23*s24)/(s123*s234*s34) + (2*s23*s24)/(s124*s234*s34) - 
   (s13*s23*s24)/(s12*s123*s234*s34) + (2*s13*s23*s24)/(s12*s124*s234*s34) - 
   (s14*s23*s24)/(s12*s123*s234*s34) + (2*s14*s23*s24)/(s12*s124*s234*s34) - 
   s24^2/(s12*s123*s34) + (D*s24^2)/(4*s12*s123*s34) + 
   (5*s24^2)/(2*s12*s124*s34) - (D*s24^2)/(4*s12*s124*s34) + 
   (3*s13*s24^2)/(2*s12^2*s123*s34) + (3*s13*s24^2)/(2*s12^2*s124*s34) - 
   (2*s24^2)/(s123*s134*s34) + (D*s24^2)/(2*s123*s134*s34) - 
   s24^2/(s124*s134*s34) + (D*s24^2)/(4*s124*s134*s34) + 
   (2*s13*s24^2)/(s12*s123*s134*s34) + (3*s14*s24^2)/(s12^2*s124*s34) - 
   (s14*s24^2)/(s12*s124*s134*s34) + s24^2/(s123*s234*s34) - 
   (D*s24^2)/(4*s123*s234*s34) + (4*s24^2)/(s124*s234*s34) - 
   (D*s24^2)/(2*s124*s234*s34) + (2*s13*s24^2)/(s12*s124*s234*s34) + 
   (2*s14*s24^2)/(s12*s124*s234*s34) - (2*s34)/(s12*s123) - 
   (2*s34)/(s12*s124) - (6*s34)/(s123*s124) + (D*s34)/(s123*s124) - 
   (2*s13*s34)/(s12*s123*s124) - (2*s34)/(s123*s134) + s34/(s124*s134) - 
   (2*s14*s34)/(s12*s123*s124) - (2*s23*s34)/(s12*s123*s124) + 
   (2*s14*s23*s34)/(s12^2*s123*s124) + s34/(s123*s234) - 
   (2*s34)/(s124*s234) - (2*s24*s34)/(s12*s123*s124) + 
   (2*s13*s24*s34)/(s12^2*s123*s124) - (2*s34^2)/(s12*s123*s124) - 
   (3*s23*z1)/(s12*s123*z12) - (2*s23*z1)/(s12*s124*z12) - 
   (2*s23*z1)/(s123*s124*z12) - (3*s13*s23*z1)/(s12^2*s123*z12) - 
   (2*s13*s23*z1)/(s12*s123*s124*z12) - (s23*z1)/(s123*s134*z12) + 
   (s23*z1)/(2*s124*s134*z12) - (s13*s23*z1)/(s12*s123*s134*z12) - 
   (3*s14*s23*z1)/(2*s12^2*s123*z12) - (3*s14*s23*z1)/(2*s12^2*s124*z12) - 
   (4*s14*s23*z1)/(s12*s123*s124*z12) - (2*s13*s14*s23*z1)/
    (s12^2*s123*s124*z12) + (s14*s23*z1)/(2*s12*s124*s134*z12) - 
   (2*s14^2*s23*z1)/(s12^2*s123*s124*z12) - (3*s23^2*z1)/(s12^2*s123*z12) - 
   (2*s23^2*z1)/(s12*s123*s124*z12) - (s23^2*z1)/(s12*s123*s134*z12) - 
   (2*s14*s23^2*z1)/(s12^2*s123*s124*z12) + (s23*z1)/(2*s123*s234*z12) - 
   (s23*z1)/(s124*s234*z12) + (s13*s23*z1)/(2*s12*s123*s234*z12) - 
   (s14*s23*z1)/(s12*s124*s234*z12) + (s23^2*z1)/(2*s12*s123*s234*z12) - 
   (2*s24*z1)/(s12*s123*z12) - (3*s24*z1)/(s12*s124*z12) - 
   (2*s24*z1)/(s123*s124*z12) - (3*s13*s24*z1)/(2*s12^2*s123*z12) - 
   (3*s13*s24*z1)/(2*s12^2*s124*z12) - (4*s13*s24*z1)/(s12*s123*s124*z12) - 
   (2*s13^2*s24*z1)/(s12^2*s123*s124*z12) - (s24*z1)/(s123*s134*z12) + 
   (s24*z1)/(2*s124*s134*z12) - (s13*s24*z1)/(s12*s123*s134*z12) - 
   (3*s14*s24*z1)/(s12^2*s124*z12) - (2*s14*s24*z1)/(s12*s123*s124*z12) - 
   (2*s13*s14*s24*z1)/(s12^2*s123*s124*z12) + 
   (s14*s24*z1)/(2*s12*s124*s134*z12) - (3*s23*s24*z1)/(s12^2*s123*z12) - 
   (3*s23*s24*z1)/(s12^2*s124*z12) - (8*s23*s24*z1)/(s12*s123*s124*z12) - 
   (6*s13*s23*s24*z1)/(s12^2*s123*s124*z12) - 
   (s23*s24*z1)/(s12*s123*s134*z12) + (s23*s24*z1)/(2*s12*s124*s134*z12) - 
   (6*s14*s23*s24*z1)/(s12^2*s123*s124*z12) - 
   (4*s23^2*s24*z1)/(s12^2*s123*s124*z12) + (s24*z1)/(2*s123*s234*z12) - 
   (s24*z1)/(s124*s234*z12) + (s13*s24*z1)/(2*s12*s123*s234*z12) - 
   (s14*s24*z1)/(s12*s124*s234*z12) + (s23*s24*z1)/(2*s12*s123*s234*z12) - 
   (s23*s24*z1)/(s12*s124*s234*z12) - (3*s24^2*z1)/(s12^2*s124*z12) - 
   (2*s24^2*z1)/(s12*s123*s124*z12) - (2*s13*s24^2*z1)/
    (s12^2*s123*s124*z12) + (s24^2*z1)/(2*s12*s124*s134*z12) - 
   (4*s23*s24^2*z1)/(s12^2*s123*s124*z12) - (s24^2*z1)/(s12*s124*s234*z12) - 
   (3*s23*z1)/(s34^2*z12) - (5*s13*s23*z1)/(s12*s34^2*z12) - 
   (2*s13^2*s23*z1)/(s12^2*s34^2*z12) - (s12*s23*z1)/(2*s134*s34^2*z12) - 
   (3*s13*s23*z1)/(4*s134*s34^2*z12) - (s13^2*s23*z1)/
    (4*s12*s134*s34^2*z12) - (6*s14*s23*z1)/(s12*s34^2*z12) - 
   (5*s13*s14*s23*z1)/(s12^2*s34^2*z12) - (5*s14*s23*z1)/(4*s134*s34^2*z12) - 
   (s13*s14*s23*z1)/(s12*s134*s34^2*z12) - (3*s14^2*s23*z1)/
    (s12^2*s34^2*z12) - (3*s14^2*s23*z1)/(4*s12*s134*s34^2*z12) - 
   (5*s23^2*z1)/(s12*s34^2*z12) - (4*s13*s23^2*z1)/(s12^2*s34^2*z12) - 
   (3*s23^2*z1)/(4*s134*s34^2*z12) - (s13*s23^2*z1)/(2*s12*s134*s34^2*z12) - 
   (5*s14*s23^2*z1)/(s12^2*s34^2*z12) - (s14*s23^2*z1)/(s12*s134*s34^2*z12) - 
   (2*s23^3*z1)/(s12^2*s34^2*z12) - (s23^3*z1)/(4*s12*s134*s34^2*z12) - 
   (s12*s23*z1)/(2*s234*s34^2*z12) - (3*s13*s23*z1)/(4*s234*s34^2*z12) - 
   (s13^2*s23*z1)/(4*s12*s234*s34^2*z12) - 
   (5*s14*s23*z1)/(4*s234*s34^2*z12) - (s13*s14*s23*z1)/
    (s12*s234*s34^2*z12) - (3*s14^2*s23*z1)/(4*s12*s234*s34^2*z12) - 
   (3*s23^2*z1)/(4*s234*s34^2*z12) - (s13*s23^2*z1)/(2*s12*s234*s34^2*z12) - 
   (s14*s23^2*z1)/(s12*s234*s34^2*z12) - (s23^3*z1)/(4*s12*s234*s34^2*z12) - 
   (3*s24*z1)/(s34^2*z12) - (6*s13*s24*z1)/(s12*s34^2*z12) - 
   (3*s13^2*s24*z1)/(s12^2*s34^2*z12) - (s12*s24*z1)/(2*s134*s34^2*z12) - 
   (5*s13*s24*z1)/(4*s134*s34^2*z12) - (3*s13^2*s24*z1)/
    (4*s12*s134*s34^2*z12) - (5*s14*s24*z1)/(s12*s34^2*z12) - 
   (5*s13*s14*s24*z1)/(s12^2*s34^2*z12) - (3*s14*s24*z1)/(4*s134*s34^2*z12) - 
   (s13*s14*s24*z1)/(s12*s134*s34^2*z12) - (2*s14^2*s24*z1)/
    (s12^2*s34^2*z12) - (s14^2*s24*z1)/(4*s12*s134*s34^2*z12) - 
   (12*s23*s24*z1)/(s12*s34^2*z12) - (11*s13*s23*s24*z1)/(s12^2*s34^2*z12) - 
   (5*s23*s24*z1)/(2*s134*s34^2*z12) - (5*s13*s23*s24*z1)/
    (2*s12*s134*s34^2*z12) - (11*s14*s23*s24*z1)/(s12^2*s34^2*z12) - 
   (5*s14*s23*s24*z1)/(2*s12*s134*s34^2*z12) - 
   (8*s23^2*s24*z1)/(s12^2*s34^2*z12) - (7*s23^2*s24*z1)/
    (4*s12*s134*s34^2*z12) - (s12*s24*z1)/(2*s234*s34^2*z12) - 
   (5*s13*s24*z1)/(4*s234*s34^2*z12) - (3*s13^2*s24*z1)/
    (4*s12*s234*s34^2*z12) - (3*s14*s24*z1)/(4*s234*s34^2*z12) - 
   (s13*s14*s24*z1)/(s12*s234*s34^2*z12) - 
   (s14^2*s24*z1)/(4*s12*s234*s34^2*z12) - 
   (5*s23*s24*z1)/(2*s234*s34^2*z12) - (5*s13*s23*s24*z1)/
    (2*s12*s234*s34^2*z12) - (5*s14*s23*s24*z1)/(2*s12*s234*s34^2*z12) - 
   (7*s23^2*s24*z1)/(4*s12*s234*s34^2*z12) - (5*s24^2*z1)/(s12*s34^2*z12) - 
   (5*s13*s24^2*z1)/(s12^2*s34^2*z12) - (3*s24^2*z1)/(4*s134*s34^2*z12) - 
   (s13*s24^2*z1)/(s12*s134*s34^2*z12) - (4*s14*s24^2*z1)/(s12^2*s34^2*z12) - 
   (s14*s24^2*z1)/(2*s12*s134*s34^2*z12) - (8*s23*s24^2*z1)/
    (s12^2*s34^2*z12) - (7*s23*s24^2*z1)/(4*s12*s134*s34^2*z12) - 
   (3*s24^2*z1)/(4*s234*s34^2*z12) - (s13*s24^2*z1)/(s12*s234*s34^2*z12) - 
   (s14*s24^2*z1)/(2*s12*s234*s34^2*z12) - (7*s23*s24^2*z1)/
    (4*s12*s234*s34^2*z12) - (2*s24^3*z1)/(s12^2*s34^2*z12) - 
   (s24^3*z1)/(4*s12*s134*s34^2*z12) - (s24^3*z1)/(4*s12*s234*s34^2*z12) - 
   (3*s23*z1)/(s12*s34*z12) - (3*s23*z1)/(s123*s34*z12) - 
   (2*s23*z1)/(s124*s34*z12) - (2*s13*s23*z1)/(s12^2*s34*z12) - 
   (6*s13*s23*z1)/(s12*s123*s34*z12) - (2*s13*s23*z1)/(s12*s124*s34*z12) - 
   (3*s13^2*s23*z1)/(s12^2*s123*s34*z12) - (s23*z1)/(2*s134*s34*z12) - 
   (s12*s23*z1)/(s123*s134*s34*z12) + (s12*s23*z1)/(2*s124*s134*s34*z12) - 
   (s13*s23*z1)/(4*s12*s134*s34*z12) - (2*s13*s23*z1)/(s123*s134*s34*z12) + 
   (s13*s23*z1)/(2*s124*s134*s34*z12) - (s13^2*s23*z1)/
    (s12*s123*s134*s34*z12) - (3*s14*s23*z1)/(s12^2*s34*z12) - 
   (9*s14*s23*z1)/(2*s12*s123*s34*z12) - (7*s14*s23*z1)/
    (2*s12*s124*s34*z12) - (9*s13*s14*s23*z1)/(2*s12^2*s123*s34*z12) - 
   (3*s13*s14*s23*z1)/(2*s12^2*s124*s34*z12) - 
   (3*s14*s23*z1)/(4*s12*s134*s34*z12) - (s14*s23*z1)/(s123*s134*s34*z12) + 
   (s14*s23*z1)/(s124*s134*s34*z12) - (s13*s14*s23*z1)/
    (s12*s123*s134*s34*z12) + (s13*s14*s23*z1)/(2*s12*s124*s134*s34*z12) - 
   (3*s14^2*s23*z1)/(2*s12^2*s123*s34*z12) - (3*s14^2*s23*z1)/
    (2*s12^2*s124*s34*z12) + (s14^2*s23*z1)/(2*s12*s124*s134*s34*z12) - 
   (2*s23^2*z1)/(s12^2*s34*z12) - (6*s23^2*z1)/(s12*s123*s34*z12) - 
   (2*s23^2*z1)/(s12*s124*s34*z12) - (6*s13*s23^2*z1)/(s12^2*s123*s34*z12) - 
   (s23^2*z1)/(4*s12*s134*s34*z12) - (2*s23^2*z1)/(s123*s134*s34*z12) + 
   (s23^2*z1)/(2*s124*s134*s34*z12) - (2*s13*s23^2*z1)/
    (s12*s123*s134*s34*z12) - (9*s14*s23^2*z1)/(2*s12^2*s123*s34*z12) - 
   (3*s14*s23^2*z1)/(2*s12^2*s124*s34*z12) - 
   (s14*s23^2*z1)/(s12*s123*s134*s34*z12) + 
   (s14*s23^2*z1)/(2*s12*s124*s134*s34*z12) - 
   (3*s23^3*z1)/(s12^2*s123*s34*z12) - (s23^3*z1)/(s12*s123*s134*s34*z12) - 
   (s23*z1)/(2*s234*s34*z12) + (s12*s23*z1)/(2*s123*s234*s34*z12) - 
   (s12*s23*z1)/(s124*s234*s34*z12) - (s13*s23*z1)/(4*s12*s234*s34*z12) + 
   (s13*s23*z1)/(s123*s234*s34*z12) - (s13*s23*z1)/(s124*s234*s34*z12) + 
   (s13^2*s23*z1)/(2*s12*s123*s234*s34*z12) - 
   (3*s14*s23*z1)/(4*s12*s234*s34*z12) + (s14*s23*z1)/(2*s123*s234*s34*z12) - 
   (2*s14*s23*z1)/(s124*s234*s34*z12) + (s13*s14*s23*z1)/
    (2*s12*s123*s234*s34*z12) - (s13*s14*s23*z1)/(s12*s124*s234*s34*z12) - 
   (s14^2*s23*z1)/(s12*s124*s234*s34*z12) - (s23^2*z1)/(4*s12*s234*s34*z12) + 
   (s23^2*z1)/(s123*s234*s34*z12) - (s23^2*z1)/(s124*s234*s34*z12) + 
   (s13*s23^2*z1)/(s12*s123*s234*s34*z12) + 
   (s14*s23^2*z1)/(2*s12*s123*s234*s34*z12) - 
   (s14*s23^2*z1)/(s12*s124*s234*s34*z12) + 
   (s23^3*z1)/(2*s12*s123*s234*s34*z12) - (3*s24*z1)/(s12*s34*z12) - 
   (2*s24*z1)/(s123*s34*z12) - (3*s24*z1)/(s124*s34*z12) - 
   (3*s13*s24*z1)/(s12^2*s34*z12) - (7*s13*s24*z1)/(2*s12*s123*s34*z12) - 
   (9*s13*s24*z1)/(2*s12*s124*s34*z12) - (3*s13^2*s24*z1)/
    (2*s12^2*s123*s34*z12) - (3*s13^2*s24*z1)/(2*s12^2*s124*s34*z12) - 
   (s24*z1)/(2*s134*s34*z12) - (s12*s24*z1)/(s123*s134*s34*z12) + 
   (s12*s24*z1)/(2*s124*s134*s34*z12) - (3*s13*s24*z1)/(4*s12*s134*s34*z12) - 
   (2*s13*s24*z1)/(s123*s134*s34*z12) + (s13*s24*z1)/(2*s124*s134*s34*z12) - 
   (s13^2*s24*z1)/(s12*s123*s134*s34*z12) - (2*s14*s24*z1)/(s12^2*s34*z12) - 
   (2*s14*s24*z1)/(s12*s123*s34*z12) - (6*s14*s24*z1)/(s12*s124*s34*z12) - 
   (3*s13*s14*s24*z1)/(2*s12^2*s123*s34*z12) - 
   (9*s13*s14*s24*z1)/(2*s12^2*s124*s34*z12) - 
   (s14*s24*z1)/(4*s12*s134*s34*z12) - (s14*s24*z1)/(s123*s134*s34*z12) + 
   (s14*s24*z1)/(s124*s134*s34*z12) - (s13*s14*s24*z1)/
    (s12*s123*s134*s34*z12) + (s13*s14*s24*z1)/(2*s12*s124*s134*s34*z12) - 
   (3*s14^2*s24*z1)/(s12^2*s124*s34*z12) + 
   (s14^2*s24*z1)/(2*s12*s124*s134*s34*z12) - 
   (6*s23*s24*z1)/(s12^2*s34*z12) - (8*s23*s24*z1)/(s12*s123*s34*z12) - 
   (8*s23*s24*z1)/(s12*s124*s34*z12) - (15*s13*s23*s24*z1)/
    (2*s12^2*s123*s34*z12) - (9*s13*s23*s24*z1)/(2*s12^2*s124*s34*z12) - 
   (3*s23*s24*z1)/(2*s12*s134*s34*z12) - (3*s23*s24*z1)/(s123*s134*s34*z12) + 
   (3*s23*s24*z1)/(2*s124*s134*s34*z12) - (3*s13*s23*s24*z1)/
    (s12*s123*s134*s34*z12) + (s13*s23*s24*z1)/(2*s12*s124*s134*s34*z12) - 
   (9*s14*s23*s24*z1)/(2*s12^2*s123*s34*z12) - (15*s14*s23*s24*z1)/
    (2*s12^2*s124*s34*z12) - (s14*s23*s24*z1)/(s12*s123*s134*s34*z12) + 
   (3*s14*s23*s24*z1)/(2*s12*s124*s134*s34*z12) - 
   (6*s23^2*s24*z1)/(s12^2*s123*s34*z12) - (3*s23^2*s24*z1)/
    (s12^2*s124*s34*z12) - (2*s23^2*s24*z1)/(s12*s123*s134*s34*z12) + 
   (s23^2*s24*z1)/(2*s12*s124*s134*s34*z12) - (s24*z1)/(2*s234*s34*z12) + 
   (s12*s24*z1)/(2*s123*s234*s34*z12) - (s12*s24*z1)/(s124*s234*s34*z12) - 
   (3*s13*s24*z1)/(4*s12*s234*s34*z12) + (s13*s24*z1)/(s123*s234*s34*z12) - 
   (s13*s24*z1)/(s124*s234*s34*z12) + (s13^2*s24*z1)/
    (2*s12*s123*s234*s34*z12) - (s14*s24*z1)/(4*s12*s234*s34*z12) + 
   (s14*s24*z1)/(2*s123*s234*s34*z12) - (2*s14*s24*z1)/(s124*s234*s34*z12) + 
   (s13*s14*s24*z1)/(2*s12*s123*s234*s34*z12) - 
   (s13*s14*s24*z1)/(s12*s124*s234*s34*z12) - 
   (s14^2*s24*z1)/(s12*s124*s234*s34*z12) - 
   (3*s23*s24*z1)/(2*s12*s234*s34*z12) + (3*s23*s24*z1)/
    (2*s123*s234*s34*z12) - (3*s23*s24*z1)/(s124*s234*s34*z12) + 
   (3*s13*s23*s24*z1)/(2*s12*s123*s234*s34*z12) - 
   (s13*s23*s24*z1)/(s12*s124*s234*s34*z12) + 
   (s14*s23*s24*z1)/(2*s12*s123*s234*s34*z12) - 
   (3*s14*s23*s24*z1)/(s12*s124*s234*s34*z12) + 
   (s23^2*s24*z1)/(s12*s123*s234*s34*z12) - 
   (s23^2*s24*z1)/(s12*s124*s234*s34*z12) - (2*s24^2*z1)/(s12^2*s34*z12) - 
   (2*s24^2*z1)/(s12*s123*s34*z12) - (6*s24^2*z1)/(s12*s124*s34*z12) - 
   (3*s13*s24^2*z1)/(2*s12^2*s123*s34*z12) - (9*s13*s24^2*z1)/
    (2*s12^2*s124*s34*z12) - (s24^2*z1)/(4*s12*s134*s34*z12) - 
   (s24^2*z1)/(s123*s134*s34*z12) + (s24^2*z1)/(s124*s134*s34*z12) - 
   (s13*s24^2*z1)/(s12*s123*s134*s34*z12) + 
   (s13*s24^2*z1)/(2*s12*s124*s134*s34*z12) - 
   (6*s14*s24^2*z1)/(s12^2*s124*s34*z12) + 
   (s14*s24^2*z1)/(s12*s124*s134*s34*z12) - (3*s23*s24^2*z1)/
    (s12^2*s123*s34*z12) - (6*s23*s24^2*z1)/(s12^2*s124*s34*z12) - 
   (s23*s24^2*z1)/(s12*s123*s134*s34*z12) + 
   (s23*s24^2*z1)/(s12*s124*s134*s34*z12) - (s24^2*z1)/(4*s12*s234*s34*z12) + 
   (s24^2*z1)/(2*s123*s234*s34*z12) - (2*s24^2*z1)/(s124*s234*s34*z12) + 
   (s13*s24^2*z1)/(2*s12*s123*s234*s34*z12) - 
   (s13*s24^2*z1)/(s12*s124*s234*s34*z12) - (2*s14*s24^2*z1)/
    (s12*s124*s234*s34*z12) + (s23*s24^2*z1)/(2*s12*s123*s234*s34*z12) - 
   (2*s23*s24^2*z1)/(s12*s124*s234*s34*z12) - 
   (3*s24^3*z1)/(s12^2*s124*s34*z12) + (s24^3*z1)/(2*s12*s124*s134*s34*z12) - 
   (s24^3*z1)/(s12*s124*s234*s34*z12) - (2*s23*s34*z1)/(s12*s123*s124*z12) - 
   (2*s14*s23*s34*z1)/(s12^2*s123*s124*z12) - 
   (2*s24*s34*z1)/(s12*s123*s124*z12) - (2*s13*s24*s34*z1)/
    (s12^2*s123*s124*z12) - (4*s23*s24*s34*z1)/(s12^2*s123*s124*z12) - 
   (2*z1*z2)/(s12*z12^2) + (4*z1*z2)/(s123*z12^2) + (4*z1*z2)/(s124*z12^2) + 
   (4*s12*z1*z2)/(s123*s124*z12^2) + (7*s13*z1*z2)/(s12*s123*z12^2) + 
   (3*s13*z1*z2)/(s12*s124*z12^2) + (8*s13*z1*z2)/(s123*s124*z12^2) + 
   (3*s13^2*z1*z2)/(s12^2*s123*z12^2) + (4*s13^2*z1*z2)/
    (s12*s123*s124*z12^2) + (3*s14*z1*z2)/(s12*s123*z12^2) + 
   (7*s14*z1*z2)/(s12*s124*z12^2) + (8*s14*z1*z2)/(s123*s124*z12^2) + 
   (3*s13*s14*z1*z2)/(s12^2*s123*z12^2) + (3*s13*s14*z1*z2)/
    (s12^2*s124*z12^2) + (12*s13*s14*z1*z2)/(s12*s123*s124*z12^2) + 
   (4*s13^2*s14*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (3*s14^2*z1*z2)/(s12^2*s124*z12^2) + (4*s14^2*z1*z2)/
    (s12*s123*s124*z12^2) + (4*s13*s14^2*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (7*s23*z1*z2)/(s12*s123*z12^2) + (3*s23*z1*z2)/(s12*s124*z12^2) + 
   (8*s23*z1*z2)/(s123*s124*z12^2) + (6*s13*s23*z1*z2)/(s12^2*s123*z12^2) + 
   (8*s13*s23*z1*z2)/(s12*s123*s124*z12^2) + (3*s14*s23*z1*z2)/
    (s12^2*s123*z12^2) + (3*s14*s23*z1*z2)/(s12^2*s124*z12^2) + 
   (12*s14*s23*z1*z2)/(s12*s123*s124*z12^2) + (8*s13*s14*s23*z1*z2)/
    (s12^2*s123*s124*z12^2) + (4*s14^2*s23*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (3*s23^2*z1*z2)/(s12^2*s123*z12^2) + (4*s23^2*z1*z2)/
    (s12*s123*s124*z12^2) + (4*s14*s23^2*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (3*s24*z1*z2)/(s12*s123*z12^2) + (7*s24*z1*z2)/(s12*s124*z12^2) + 
   (8*s24*z1*z2)/(s123*s124*z12^2) + (3*s13*s24*z1*z2)/(s12^2*s123*z12^2) + 
   (3*s13*s24*z1*z2)/(s12^2*s124*z12^2) + (12*s13*s24*z1*z2)/
    (s12*s123*s124*z12^2) + (4*s13^2*s24*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (6*s14*s24*z1*z2)/(s12^2*s124*z12^2) + (8*s14*s24*z1*z2)/
    (s12*s123*s124*z12^2) + (8*s13*s14*s24*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (3*s23*s24*z1*z2)/(s12^2*s123*z12^2) + (3*s23*s24*z1*z2)/
    (s12^2*s124*z12^2) + (12*s23*s24*z1*z2)/(s12*s123*s124*z12^2) + 
   (8*s13*s23*s24*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (8*s14*s23*s24*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (4*s23^2*s24*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (3*s24^2*z1*z2)/(s12^2*s124*z12^2) + (4*s24^2*z1*z2)/
    (s12*s123*s124*z12^2) + (4*s13*s24^2*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (4*s23*s24^2*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (4*s12*z1*z2)/(s34^2*z12^2) + (10*s13*z1*z2)/(s34^2*z12^2) + 
   (8*s13^2*z1*z2)/(s12*s34^2*z12^2) + (2*s13^3*z1*z2)/(s12^2*s34^2*z12^2) + 
   (10*s14*z1*z2)/(s34^2*z12^2) + (18*s13*s14*z1*z2)/(s12*s34^2*z12^2) + 
   (8*s13^2*s14*z1*z2)/(s12^2*s34^2*z12^2) + 
   (8*s14^2*z1*z2)/(s12*s34^2*z12^2) + (8*s13*s14^2*z1*z2)/
    (s12^2*s34^2*z12^2) + (2*s14^3*z1*z2)/(s12^2*s34^2*z12^2) + 
   (10*s23*z1*z2)/(s34^2*z12^2) + (16*s13*s23*z1*z2)/(s12*s34^2*z12^2) + 
   (6*s13^2*s23*z1*z2)/(s12^2*s34^2*z12^2) + (18*s14*s23*z1*z2)/
    (s12*s34^2*z12^2) + (16*s13*s14*s23*z1*z2)/(s12^2*s34^2*z12^2) + 
   (8*s14^2*s23*z1*z2)/(s12^2*s34^2*z12^2) + 
   (8*s23^2*z1*z2)/(s12*s34^2*z12^2) + (6*s13*s23^2*z1*z2)/
    (s12^2*s34^2*z12^2) + (8*s14*s23^2*z1*z2)/(s12^2*s34^2*z12^2) + 
   (2*s23^3*z1*z2)/(s12^2*s34^2*z12^2) + (10*s24*z1*z2)/(s34^2*z12^2) + 
   (18*s13*s24*z1*z2)/(s12*s34^2*z12^2) + (8*s13^2*s24*z1*z2)/
    (s12^2*s34^2*z12^2) + (16*s14*s24*z1*z2)/(s12*s34^2*z12^2) + 
   (16*s13*s14*s24*z1*z2)/(s12^2*s34^2*z12^2) + 
   (6*s14^2*s24*z1*z2)/(s12^2*s34^2*z12^2) + (18*s23*s24*z1*z2)/
    (s12*s34^2*z12^2) + (16*s13*s23*s24*z1*z2)/(s12^2*s34^2*z12^2) + 
   (16*s14*s23*s24*z1*z2)/(s12^2*s34^2*z12^2) + 
   (8*s23^2*s24*z1*z2)/(s12^2*s34^2*z12^2) + 
   (8*s24^2*z1*z2)/(s12*s34^2*z12^2) + (8*s13*s24^2*z1*z2)/
    (s12^2*s34^2*z12^2) + (6*s14*s24^2*z1*z2)/(s12^2*s34^2*z12^2) + 
   (8*s23*s24^2*z1*z2)/(s12^2*s34^2*z12^2) + 
   (2*s24^3*z1*z2)/(s12^2*s34^2*z12^2) + (2*z1*z2)/(s34*z12^2) + 
   (4*s12*z1*z2)/(s123*s34*z12^2) + (4*s12*z1*z2)/(s124*s34*z12^2) + 
   (4*s13*z1*z2)/(s12*s34*z12^2) + (11*s13*z1*z2)/(s123*s34*z12^2) + 
   (7*s13*z1*z2)/(s124*s34*z12^2) + (2*s13^2*z1*z2)/(s12^2*s34*z12^2) + 
   (10*s13^2*z1*z2)/(s12*s123*s34*z12^2) + (3*s13^2*z1*z2)/
    (s12*s124*s34*z12^2) + (3*s13^3*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (4*s14*z1*z2)/(s12*s34*z12^2) + (7*s14*z1*z2)/(s123*s34*z12^2) + 
   (11*s14*z1*z2)/(s124*s34*z12^2) + (6*s13*s14*z1*z2)/(s12^2*s34*z12^2) + 
   (13*s13*s14*z1*z2)/(s12*s123*s34*z12^2) + (13*s13*s14*z1*z2)/
    (s12*s124*s34*z12^2) + (6*s13^2*s14*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (3*s13^2*s14*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (2*s14^2*z1*z2)/(s12^2*s34*z12^2) + (3*s14^2*z1*z2)/(s12*s123*s34*z12^2) + 
   (10*s14^2*z1*z2)/(s12*s124*s34*z12^2) + (3*s13*s14^2*z1*z2)/
    (s12^2*s123*s34*z12^2) + (6*s13*s14^2*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (3*s14^3*z1*z2)/(s12^2*s124*s34*z12^2) + (4*s23*z1*z2)/(s12*s34*z12^2) + 
   (11*s23*z1*z2)/(s123*s34*z12^2) + (7*s23*z1*z2)/(s124*s34*z12^2) + 
   (4*s13*s23*z1*z2)/(s12^2*s34*z12^2) + (20*s13*s23*z1*z2)/
    (s12*s123*s34*z12^2) + (6*s13*s23*z1*z2)/(s12*s124*s34*z12^2) + 
   (9*s13^2*s23*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (6*s14*s23*z1*z2)/(s12^2*s34*z12^2) + (13*s14*s23*z1*z2)/
    (s12*s123*s34*z12^2) + (13*s14*s23*z1*z2)/(s12*s124*s34*z12^2) + 
   (12*s13*s14*s23*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (6*s13*s14*s23*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (3*s14^2*s23*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (6*s14^2*s23*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (2*s23^2*z1*z2)/(s12^2*s34*z12^2) + (10*s23^2*z1*z2)/
    (s12*s123*s34*z12^2) + (3*s23^2*z1*z2)/(s12*s124*s34*z12^2) + 
   (9*s13*s23^2*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (6*s14*s23^2*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (3*s14*s23^2*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (3*s23^3*z1*z2)/(s12^2*s123*s34*z12^2) + (4*s24*z1*z2)/(s12*s34*z12^2) + 
   (7*s24*z1*z2)/(s123*s34*z12^2) + (11*s24*z1*z2)/(s124*s34*z12^2) + 
   (6*s13*s24*z1*z2)/(s12^2*s34*z12^2) + (13*s13*s24*z1*z2)/
    (s12*s123*s34*z12^2) + (13*s13*s24*z1*z2)/(s12*s124*s34*z12^2) + 
   (6*s13^2*s24*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (3*s13^2*s24*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (4*s14*s24*z1*z2)/(s12^2*s34*z12^2) + (6*s14*s24*z1*z2)/
    (s12*s123*s34*z12^2) + (20*s14*s24*z1*z2)/(s12*s124*s34*z12^2) + 
   (6*s13*s14*s24*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (12*s13*s14*s24*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (9*s14^2*s24*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (6*s23*s24*z1*z2)/(s12^2*s34*z12^2) + (13*s23*s24*z1*z2)/
    (s12*s123*s34*z12^2) + (13*s23*s24*z1*z2)/(s12*s124*s34*z12^2) + 
   (12*s13*s23*s24*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (6*s13*s23*s24*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (6*s14*s23*s24*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (12*s14*s23*s24*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (6*s23^2*s24*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (3*s23^2*s24*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (2*s24^2*z1*z2)/(s12^2*s34*z12^2) + (3*s24^2*z1*z2)/(s12*s123*s34*z12^2) + 
   (10*s24^2*z1*z2)/(s12*s124*s34*z12^2) + (3*s13*s24^2*z1*z2)/
    (s12^2*s123*s34*z12^2) + (6*s13*s24^2*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (9*s14*s24^2*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (3*s23*s24^2*z1*z2)/(s12^2*s123*s34*z12^2) + 
   (6*s23*s24^2*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (3*s24^3*z1*z2)/(s12^2*s124*s34*z12^2) + (4*s34*z1*z2)/(s123*s124*z12^2) + 
   (4*s13*s34*z1*z2)/(s12*s123*s124*z12^2) + (4*s14*s34*z1*z2)/
    (s12*s123*s124*z12^2) + (4*s13*s14*s34*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (4*s23*s34*z1*z2)/(s12*s123*s124*z12^2) + (4*s14*s23*s34*z1*z2)/
    (s12^2*s123*s124*z12^2) + (4*s24*s34*z1*z2)/(s12*s123*s124*z12^2) + 
   (4*s13*s24*s34*z1*z2)/(s12^2*s123*s124*z12^2) + 
   (4*s23*s24*s34*z1*z2)/(s12^2*s123*s124*z12^2) - 
   (3*s13*z2)/(s12*s123*z12) - (2*s13*z2)/(s12*s124*z12) - 
   (2*s13*z2)/(s123*s124*z12) - (3*s13^2*z2)/(s12^2*s123*z12) - 
   (2*s13^2*z2)/(s12*s123*s124*z12) - (s13*z2)/(s123*s134*z12) + 
   (s13*z2)/(2*s124*s134*z12) - (s13^2*z2)/(s12*s123*s134*z12) - 
   (2*s14*z2)/(s12*s123*z12) - (3*s14*z2)/(s12*s124*z12) - 
   (2*s14*z2)/(s123*s124*z12) - (3*s13*s14*z2)/(s12^2*s123*z12) - 
   (3*s13*s14*z2)/(s12^2*s124*z12) - (8*s13*s14*z2)/(s12*s123*s124*z12) - 
   (4*s13^2*s14*z2)/(s12^2*s123*s124*z12) - (s14*z2)/(s123*s134*z12) + 
   (s14*z2)/(2*s124*s134*z12) - (s13*s14*z2)/(s12*s123*s134*z12) + 
   (s13*s14*z2)/(2*s12*s124*s134*z12) - (3*s14^2*z2)/(s12^2*s124*z12) - 
   (2*s14^2*z2)/(s12*s123*s124*z12) - (4*s13*s14^2*z2)/
    (s12^2*s123*s124*z12) + (s14^2*z2)/(2*s12*s124*s134*z12) - 
   (3*s13*s23*z2)/(s12^2*s123*z12) - (2*s13*s23*z2)/(s12*s123*s124*z12) - 
   (s13*s23*z2)/(s12*s123*s134*z12) - (3*s14*s23*z2)/(2*s12^2*s123*z12) - 
   (3*s14*s23*z2)/(2*s12^2*s124*z12) - (4*s14*s23*z2)/(s12*s123*s124*z12) - 
   (6*s13*s14*s23*z2)/(s12^2*s123*s124*z12) - 
   (s14*s23*z2)/(s12*s123*s134*z12) - (2*s14^2*s23*z2)/
    (s12^2*s123*s124*z12) - (2*s14*s23^2*z2)/(s12^2*s123*s124*z12) + 
   (s13*z2)/(2*s123*s234*z12) - (s13*z2)/(s124*s234*z12) + 
   (s13^2*z2)/(2*s12*s123*s234*z12) + (s14*z2)/(2*s123*s234*z12) - 
   (s14*z2)/(s124*s234*z12) + (s13*s14*z2)/(2*s12*s123*s234*z12) - 
   (s13*s14*z2)/(s12*s124*s234*z12) - (s14^2*z2)/(s12*s124*s234*z12) + 
   (s13*s23*z2)/(2*s12*s123*s234*z12) + (s14*s23*z2)/(2*s12*s123*s234*z12) - 
   (3*s13*s24*z2)/(2*s12^2*s123*z12) - (3*s13*s24*z2)/(2*s12^2*s124*z12) - 
   (4*s13*s24*z2)/(s12*s123*s124*z12) - (2*s13^2*s24*z2)/
    (s12^2*s123*s124*z12) + (s13*s24*z2)/(2*s12*s124*s134*z12) - 
   (3*s14*s24*z2)/(s12^2*s124*z12) - (2*s14*s24*z2)/(s12*s123*s124*z12) - 
   (6*s13*s14*s24*z2)/(s12^2*s123*s124*z12) + 
   (s14*s24*z2)/(2*s12*s124*s134*z12) - (2*s13*s23*s24*z2)/
    (s12^2*s123*s124*z12) - (2*s14*s23*s24*z2)/(s12^2*s123*s124*z12) - 
   (s13*s24*z2)/(s12*s124*s234*z12) - (s14*s24*z2)/(s12*s124*s234*z12) - 
   (2*s13*s24^2*z2)/(s12^2*s123*s124*z12) - (3*s13*z2)/(s34^2*z12) - 
   (5*s13^2*z2)/(s12*s34^2*z12) - (2*s13^3*z2)/(s12^2*s34^2*z12) - 
   (s12*s13*z2)/(2*s134*s34^2*z12) - (3*s13^2*z2)/(4*s134*s34^2*z12) - 
   (s13^3*z2)/(4*s12*s134*s34^2*z12) - (3*s14*z2)/(s34^2*z12) - 
   (12*s13*s14*z2)/(s12*s34^2*z12) - (8*s13^2*s14*z2)/(s12^2*s34^2*z12) - 
   (s12*s14*z2)/(2*s134*s34^2*z12) - (5*s13*s14*z2)/(2*s134*s34^2*z12) - 
   (7*s13^2*s14*z2)/(4*s12*s134*s34^2*z12) - (5*s14^2*z2)/(s12*s34^2*z12) - 
   (8*s13*s14^2*z2)/(s12^2*s34^2*z12) - (3*s14^2*z2)/(4*s134*s34^2*z12) - 
   (7*s13*s14^2*z2)/(4*s12*s134*s34^2*z12) - (2*s14^3*z2)/(s12^2*s34^2*z12) - 
   (s14^3*z2)/(4*s12*s134*s34^2*z12) - (5*s13*s23*z2)/(s12*s34^2*z12) - 
   (4*s13^2*s23*z2)/(s12^2*s34^2*z12) - (3*s13*s23*z2)/(4*s134*s34^2*z12) - 
   (s13^2*s23*z2)/(2*s12*s134*s34^2*z12) - (6*s14*s23*z2)/(s12*s34^2*z12) - 
   (11*s13*s14*s23*z2)/(s12^2*s34^2*z12) - 
   (5*s14*s23*z2)/(4*s134*s34^2*z12) - (5*s13*s14*s23*z2)/
    (2*s12*s134*s34^2*z12) - (5*s14^2*s23*z2)/(s12^2*s34^2*z12) - 
   (s14^2*s23*z2)/(s12*s134*s34^2*z12) - (2*s13*s23^2*z2)/(s12^2*s34^2*z12) - 
   (s13*s23^2*z2)/(4*s12*s134*s34^2*z12) - (3*s14*s23^2*z2)/
    (s12^2*s34^2*z12) - (3*s14*s23^2*z2)/(4*s12*s134*s34^2*z12) - 
   (s12*s13*z2)/(2*s234*s34^2*z12) - (3*s13^2*z2)/(4*s234*s34^2*z12) - 
   (s13^3*z2)/(4*s12*s234*s34^2*z12) - (s12*s14*z2)/(2*s234*s34^2*z12) - 
   (5*s13*s14*z2)/(2*s234*s34^2*z12) - (7*s13^2*s14*z2)/
    (4*s12*s234*s34^2*z12) - (3*s14^2*z2)/(4*s234*s34^2*z12) - 
   (7*s13*s14^2*z2)/(4*s12*s234*s34^2*z12) - 
   (s14^3*z2)/(4*s12*s234*s34^2*z12) - (3*s13*s23*z2)/(4*s234*s34^2*z12) - 
   (s13^2*s23*z2)/(2*s12*s234*s34^2*z12) - 
   (5*s14*s23*z2)/(4*s234*s34^2*z12) - (5*s13*s14*s23*z2)/
    (2*s12*s234*s34^2*z12) - (s14^2*s23*z2)/(s12*s234*s34^2*z12) - 
   (s13*s23^2*z2)/(4*s12*s234*s34^2*z12) - (3*s14*s23^2*z2)/
    (4*s12*s234*s34^2*z12) - (6*s13*s24*z2)/(s12*s34^2*z12) - 
   (5*s13^2*s24*z2)/(s12^2*s34^2*z12) - (5*s13*s24*z2)/(4*s134*s34^2*z12) - 
   (s13^2*s24*z2)/(s12*s134*s34^2*z12) - (5*s14*s24*z2)/(s12*s34^2*z12) - 
   (11*s13*s14*s24*z2)/(s12^2*s34^2*z12) - 
   (3*s14*s24*z2)/(4*s134*s34^2*z12) - (5*s13*s14*s24*z2)/
    (2*s12*s134*s34^2*z12) - (4*s14^2*s24*z2)/(s12^2*s34^2*z12) - 
   (s14^2*s24*z2)/(2*s12*s134*s34^2*z12) - (5*s13*s23*s24*z2)/
    (s12^2*s34^2*z12) - (s13*s23*s24*z2)/(s12*s134*s34^2*z12) - 
   (5*s14*s23*s24*z2)/(s12^2*s34^2*z12) - (s14*s23*s24*z2)/
    (s12*s134*s34^2*z12) - (5*s13*s24*z2)/(4*s234*s34^2*z12) - 
   (s13^2*s24*z2)/(s12*s234*s34^2*z12) - (3*s14*s24*z2)/(4*s234*s34^2*z12) - 
   (5*s13*s14*s24*z2)/(2*s12*s234*s34^2*z12) - 
   (s14^2*s24*z2)/(2*s12*s234*s34^2*z12) - (s13*s23*s24*z2)/
    (s12*s234*s34^2*z12) - (s14*s23*s24*z2)/(s12*s234*s34^2*z12) - 
   (3*s13*s24^2*z2)/(s12^2*s34^2*z12) - (3*s13*s24^2*z2)/
    (4*s12*s134*s34^2*z12) - (2*s14*s24^2*z2)/(s12^2*s34^2*z12) - 
   (s14*s24^2*z2)/(4*s12*s134*s34^2*z12) - (3*s13*s24^2*z2)/
    (4*s12*s234*s34^2*z12) - (s14*s24^2*z2)/(4*s12*s234*s34^2*z12) - 
   (3*s13*z2)/(s12*s34*z12) - (3*s13*z2)/(s123*s34*z12) - 
   (2*s13*z2)/(s124*s34*z12) - (2*s13^2*z2)/(s12^2*s34*z12) - 
   (6*s13^2*z2)/(s12*s123*s34*z12) - (2*s13^2*z2)/(s12*s124*s34*z12) - 
   (3*s13^3*z2)/(s12^2*s123*s34*z12) - (s13*z2)/(2*s134*s34*z12) - 
   (s12*s13*z2)/(s123*s134*s34*z12) + (s12*s13*z2)/(2*s124*s134*s34*z12) - 
   (s13^2*z2)/(4*s12*s134*s34*z12) - (2*s13^2*z2)/(s123*s134*s34*z12) + 
   (s13^2*z2)/(2*s124*s134*s34*z12) - (s13^3*z2)/(s12*s123*s134*s34*z12) - 
   (3*s14*z2)/(s12*s34*z12) - (2*s14*z2)/(s123*s34*z12) - 
   (3*s14*z2)/(s124*s34*z12) - (6*s13*s14*z2)/(s12^2*s34*z12) - 
   (8*s13*s14*z2)/(s12*s123*s34*z12) - (8*s13*s14*z2)/(s12*s124*s34*z12) - 
   (6*s13^2*s14*z2)/(s12^2*s123*s34*z12) - (3*s13^2*s14*z2)/
    (s12^2*s124*s34*z12) - (s14*z2)/(2*s134*s34*z12) - 
   (s12*s14*z2)/(s123*s134*s34*z12) + (s12*s14*z2)/(2*s124*s134*s34*z12) - 
   (3*s13*s14*z2)/(2*s12*s134*s34*z12) - (3*s13*s14*z2)/(s123*s134*s34*z12) + 
   (3*s13*s14*z2)/(2*s124*s134*s34*z12) - (2*s13^2*s14*z2)/
    (s12*s123*s134*s34*z12) + (s13^2*s14*z2)/(2*s12*s124*s134*s34*z12) - 
   (2*s14^2*z2)/(s12^2*s34*z12) - (2*s14^2*z2)/(s12*s123*s34*z12) - 
   (6*s14^2*z2)/(s12*s124*s34*z12) - (3*s13*s14^2*z2)/(s12^2*s123*s34*z12) - 
   (6*s13*s14^2*z2)/(s12^2*s124*s34*z12) - (s14^2*z2)/(4*s12*s134*s34*z12) - 
   (s14^2*z2)/(s123*s134*s34*z12) + (s14^2*z2)/(s124*s134*s34*z12) - 
   (s13*s14^2*z2)/(s12*s123*s134*s34*z12) + 
   (s13*s14^2*z2)/(s12*s124*s134*s34*z12) - 
   (3*s14^3*z2)/(s12^2*s124*s34*z12) + (s14^3*z2)/(2*s12*s124*s134*s34*z12) - 
   (2*s13*s23*z2)/(s12^2*s34*z12) - (6*s13*s23*z2)/(s12*s123*s34*z12) - 
   (2*s13*s23*z2)/(s12*s124*s34*z12) - (6*s13^2*s23*z2)/
    (s12^2*s123*s34*z12) - (s13*s23*z2)/(4*s12*s134*s34*z12) - 
   (2*s13*s23*z2)/(s123*s134*s34*z12) + (s13*s23*z2)/(2*s124*s134*s34*z12) - 
   (2*s13^2*s23*z2)/(s12*s123*s134*s34*z12) - 
   (3*s14*s23*z2)/(s12^2*s34*z12) - (7*s14*s23*z2)/(2*s12*s123*s34*z12) - 
   (9*s14*s23*z2)/(2*s12*s124*s34*z12) - (15*s13*s14*s23*z2)/
    (2*s12^2*s123*s34*z12) - (9*s13*s14*s23*z2)/(2*s12^2*s124*s34*z12) - 
   (3*s14*s23*z2)/(4*s12*s134*s34*z12) - (2*s14*s23*z2)/(s123*s134*s34*z12) + 
   (s14*s23*z2)/(2*s124*s134*s34*z12) - (3*s13*s14*s23*z2)/
    (s12*s123*s134*s34*z12) + (s13*s14*s23*z2)/(2*s12*s124*s134*s34*z12) - 
   (3*s14^2*s23*z2)/(2*s12^2*s123*s34*z12) - (9*s14^2*s23*z2)/
    (2*s12^2*s124*s34*z12) - (s14^2*s23*z2)/(s12*s123*s134*s34*z12) + 
   (s14^2*s23*z2)/(2*s12*s124*s134*s34*z12) - 
   (3*s13*s23^2*z2)/(s12^2*s123*s34*z12) - 
   (s13*s23^2*z2)/(s12*s123*s134*s34*z12) - (3*s14*s23^2*z2)/
    (2*s12^2*s123*s34*z12) - (3*s14*s23^2*z2)/(2*s12^2*s124*s34*z12) - 
   (s14*s23^2*z2)/(s12*s123*s134*s34*z12) - (s13*z2)/(2*s234*s34*z12) + 
   (s12*s13*z2)/(2*s123*s234*s34*z12) - (s12*s13*z2)/(s124*s234*s34*z12) - 
   (s13^2*z2)/(4*s12*s234*s34*z12) + (s13^2*z2)/(s123*s234*s34*z12) - 
   (s13^2*z2)/(s124*s234*s34*z12) + (s13^3*z2)/(2*s12*s123*s234*s34*z12) - 
   (s14*z2)/(2*s234*s34*z12) + (s12*s14*z2)/(2*s123*s234*s34*z12) - 
   (s12*s14*z2)/(s124*s234*s34*z12) - (3*s13*s14*z2)/(2*s12*s234*s34*z12) + 
   (3*s13*s14*z2)/(2*s123*s234*s34*z12) - (3*s13*s14*z2)/
    (s124*s234*s34*z12) + (s13^2*s14*z2)/(s12*s123*s234*s34*z12) - 
   (s13^2*s14*z2)/(s12*s124*s234*s34*z12) - (s14^2*z2)/(4*s12*s234*s34*z12) + 
   (s14^2*z2)/(2*s123*s234*s34*z12) - (2*s14^2*z2)/(s124*s234*s34*z12) + 
   (s13*s14^2*z2)/(2*s12*s123*s234*s34*z12) - 
   (2*s13*s14^2*z2)/(s12*s124*s234*s34*z12) - 
   (s14^3*z2)/(s12*s124*s234*s34*z12) - (s13*s23*z2)/(4*s12*s234*s34*z12) + 
   (s13*s23*z2)/(s123*s234*s34*z12) - (s13*s23*z2)/(s124*s234*s34*z12) + 
   (s13^2*s23*z2)/(s12*s123*s234*s34*z12) - 
   (3*s14*s23*z2)/(4*s12*s234*s34*z12) + (s14*s23*z2)/(s123*s234*s34*z12) - 
   (s14*s23*z2)/(s124*s234*s34*z12) + (3*s13*s14*s23*z2)/
    (2*s12*s123*s234*s34*z12) - (s13*s14*s23*z2)/(s12*s124*s234*s34*z12) + 
   (s14^2*s23*z2)/(2*s12*s123*s234*s34*z12) - 
   (s14^2*s23*z2)/(s12*s124*s234*s34*z12) + 
   (s13*s23^2*z2)/(2*s12*s123*s234*s34*z12) + 
   (s14*s23^2*z2)/(2*s12*s123*s234*s34*z12) - 
   (3*s13*s24*z2)/(s12^2*s34*z12) - (9*s13*s24*z2)/(2*s12*s123*s34*z12) - 
   (7*s13*s24*z2)/(2*s12*s124*s34*z12) - (9*s13^2*s24*z2)/
    (2*s12^2*s123*s34*z12) - (3*s13^2*s24*z2)/(2*s12^2*s124*s34*z12) - 
   (3*s13*s24*z2)/(4*s12*s134*s34*z12) - (s13*s24*z2)/(s123*s134*s34*z12) + 
   (s13*s24*z2)/(s124*s134*s34*z12) - (s13^2*s24*z2)/
    (s12*s123*s134*s34*z12) + (s13^2*s24*z2)/(2*s12*s124*s134*s34*z12) - 
   (2*s14*s24*z2)/(s12^2*s34*z12) - (2*s14*s24*z2)/(s12*s123*s34*z12) - 
   (6*s14*s24*z2)/(s12*s124*s34*z12) - (9*s13*s14*s24*z2)/
    (2*s12^2*s123*s34*z12) - (15*s13*s14*s24*z2)/(2*s12^2*s124*s34*z12) - 
   (s14*s24*z2)/(4*s12*s134*s34*z12) - (s14*s24*z2)/(s123*s134*s34*z12) + 
   (s14*s24*z2)/(s124*s134*s34*z12) - (s13*s14*s24*z2)/
    (s12*s123*s134*s34*z12) + (3*s13*s14*s24*z2)/(2*s12*s124*s134*s34*z12) - 
   (6*s14^2*s24*z2)/(s12^2*s124*s34*z12) + 
   (s14^2*s24*z2)/(s12*s124*s134*s34*z12) - (9*s13*s23*s24*z2)/
    (2*s12^2*s123*s34*z12) - (3*s13*s23*s24*z2)/(2*s12^2*s124*s34*z12) - 
   (s13*s23*s24*z2)/(s12*s123*s134*s34*z12) + 
   (s13*s23*s24*z2)/(2*s12*s124*s134*s34*z12) - 
   (3*s14*s23*s24*z2)/(2*s12^2*s123*s34*z12) - 
   (9*s14*s23*s24*z2)/(2*s12^2*s124*s34*z12) - 
   (s14*s23*s24*z2)/(s12*s123*s134*s34*z12) + 
   (s14*s23*s24*z2)/(2*s12*s124*s134*s34*z12) - 
   (3*s13*s24*z2)/(4*s12*s234*s34*z12) + (s13*s24*z2)/(2*s123*s234*s34*z12) - 
   (2*s13*s24*z2)/(s124*s234*s34*z12) + (s13^2*s24*z2)/
    (2*s12*s123*s234*s34*z12) - (s13^2*s24*z2)/(s12*s124*s234*s34*z12) - 
   (s14*s24*z2)/(4*s12*s234*s34*z12) + (s14*s24*z2)/(2*s123*s234*s34*z12) - 
   (2*s14*s24*z2)/(s124*s234*s34*z12) + (s13*s14*s24*z2)/
    (2*s12*s123*s234*s34*z12) - (3*s13*s14*s24*z2)/(s12*s124*s234*s34*z12) - 
   (2*s14^2*s24*z2)/(s12*s124*s234*s34*z12) + 
   (s13*s23*s24*z2)/(2*s12*s123*s234*s34*z12) - 
   (s13*s23*s24*z2)/(s12*s124*s234*s34*z12) + 
   (s14*s23*s24*z2)/(2*s12*s123*s234*s34*z12) - 
   (s14*s23*s24*z2)/(s12*s124*s234*s34*z12) - 
   (3*s13*s24^2*z2)/(2*s12^2*s123*s34*z12) - (3*s13*s24^2*z2)/
    (2*s12^2*s124*s34*z12) + (s13*s24^2*z2)/(2*s12*s124*s134*s34*z12) - 
   (3*s14*s24^2*z2)/(s12^2*s124*s34*z12) + 
   (s14*s24^2*z2)/(2*s12*s124*s134*s34*z12) - 
   (s13*s24^2*z2)/(s12*s124*s234*s34*z12) - 
   (s14*s24^2*z2)/(s12*s124*s234*s34*z12) - 
   (2*s13*s34*z2)/(s12*s123*s124*z12) - (2*s14*s34*z2)/(s12*s123*s124*z12) - 
   (4*s13*s14*s34*z2)/(s12^2*s123*s124*z12) - (2*s14*s23*s34*z2)/
    (s12^2*s123*s124*z12) - (2*s13*s24*s34*z2)/(s12^2*s123*s124*z12) + 
   (3*z3)/(s123*z12) + (2*z3)/(s124*z12) + (2*s12*z3)/(s123*s124*z12) + 
   (3*s13*z3)/(s12*s123*z12) + (2*s13*z3)/(s123*s124*z12) + 
   (s12*z3)/(s123*s134*z12) - (s12*z3)/(2*s124*s134*z12) + 
   (s13*z3)/(s123*s134*z12) + (3*s14*z3)/(2*s12*s123*z12) + 
   (3*s14*z3)/(2*s12*s124*z12) + (4*s14*z3)/(s123*s124*z12) + 
   (2*s13*s14*z3)/(s12*s123*s124*z12) - (s14*z3)/(2*s124*s134*z12) + 
   (2*s14^2*z3)/(s12*s123*s124*z12) + (3*s23*z3)/(s12*s123*z12) + 
   (2*s23*z3)/(s123*s124*z12) + (s23*z3)/(s123*s134*z12) + 
   (2*s14*s23*z3)/(s12*s123*s124*z12) - (s12*z3)/(2*s123*s234*z12) + 
   (s12*z3)/(s124*s234*z12) - (s13*z3)/(2*s123*s234*z12) + 
   (s14*z3)/(s124*s234*z12) - (s23*z3)/(2*s123*s234*z12) + 
   (3*s24*z3)/(2*s12*s123*z12) + (3*s24*z3)/(2*s12*s124*z12) + 
   (4*s24*z3)/(s123*s124*z12) + (2*s13*s24*z3)/(s12*s123*s124*z12) - 
   (s24*z3)/(2*s124*s134*z12) + (4*s14*s24*z3)/(s12*s123*s124*z12) + 
   (2*s23*s24*z3)/(s12*s123*s124*z12) + (s24*z3)/(s124*s234*z12) + 
   (2*s24^2*z3)/(s12*s123*s124*z12) + (3*s12*z3)/(s34^2*z12) + 
   (5*s13*z3)/(s34^2*z12) + (2*s13^2*z3)/(s12*s34^2*z12) + 
   (s12^2*z3)/(2*s134*s34^2*z12) + (3*s12*s13*z3)/(4*s134*s34^2*z12) + 
   (s13^2*z3)/(4*s134*s34^2*z12) + (6*s14*z3)/(s34^2*z12) + 
   (5*s13*s14*z3)/(s12*s34^2*z12) + (5*s12*s14*z3)/(4*s134*s34^2*z12) + 
   (s13*s14*z3)/(s134*s34^2*z12) + (3*s14^2*z3)/(s12*s34^2*z12) + 
   (3*s14^2*z3)/(4*s134*s34^2*z12) + (5*s23*z3)/(s34^2*z12) + 
   (4*s13*s23*z3)/(s12*s34^2*z12) + (3*s12*s23*z3)/(4*s134*s34^2*z12) + 
   (s13*s23*z3)/(2*s134*s34^2*z12) + (5*s14*s23*z3)/(s12*s34^2*z12) + 
   (s14*s23*z3)/(s134*s34^2*z12) + (2*s23^2*z3)/(s12*s34^2*z12) + 
   (s23^2*z3)/(4*s134*s34^2*z12) + (s12^2*z3)/(2*s234*s34^2*z12) + 
   (3*s12*s13*z3)/(4*s234*s34^2*z12) + (s13^2*z3)/(4*s234*s34^2*z12) + 
   (5*s12*s14*z3)/(4*s234*s34^2*z12) + (s13*s14*z3)/(s234*s34^2*z12) + 
   (3*s14^2*z3)/(4*s234*s34^2*z12) + (3*s12*s23*z3)/(4*s234*s34^2*z12) + 
   (s13*s23*z3)/(2*s234*s34^2*z12) + (s14*s23*z3)/(s234*s34^2*z12) + 
   (s23^2*z3)/(4*s234*s34^2*z12) + (6*s24*z3)/(s34^2*z12) + 
   (5*s13*s24*z3)/(s12*s34^2*z12) + (5*s12*s24*z3)/(4*s134*s34^2*z12) + 
   (s13*s24*z3)/(s134*s34^2*z12) + (6*s14*s24*z3)/(s12*s34^2*z12) + 
   (3*s14*s24*z3)/(2*s134*s34^2*z12) + (5*s23*s24*z3)/(s12*s34^2*z12) + 
   (s23*s24*z3)/(s134*s34^2*z12) + (5*s12*s24*z3)/(4*s234*s34^2*z12) + 
   (s13*s24*z3)/(s234*s34^2*z12) + (3*s14*s24*z3)/(2*s234*s34^2*z12) + 
   (s23*s24*z3)/(s234*s34^2*z12) + (3*s24^2*z3)/(s12*s34^2*z12) + 
   (3*s24^2*z3)/(4*s134*s34^2*z12) + (3*s24^2*z3)/(4*s234*s34^2*z12) + 
   (3*z3)/(s34*z12) + (3*s12*z3)/(s123*s34*z12) + (2*s12*z3)/(s124*s34*z12) + 
   (2*s13*z3)/(s12*s34*z12) + (6*s13*z3)/(s123*s34*z12) + 
   (2*s13*z3)/(s124*s34*z12) + (3*s13^2*z3)/(s12*s123*s34*z12) + 
   (s12*z3)/(2*s134*s34*z12) + (s12^2*z3)/(s123*s134*s34*z12) - 
   (s12^2*z3)/(2*s124*s134*s34*z12) + (s13*z3)/(4*s134*s34*z12) + 
   (2*s12*s13*z3)/(s123*s134*s34*z12) - (s12*s13*z3)/(2*s124*s134*s34*z12) + 
   (s13^2*z3)/(s123*s134*s34*z12) + (3*s14*z3)/(s12*s34*z12) + 
   (9*s14*z3)/(2*s123*s34*z12) + (7*s14*z3)/(2*s124*s34*z12) + 
   (9*s13*s14*z3)/(2*s12*s123*s34*z12) + (3*s13*s14*z3)/
    (2*s12*s124*s34*z12) + (3*s14*z3)/(4*s134*s34*z12) + 
   (s12*s14*z3)/(s123*s134*s34*z12) - (s12*s14*z3)/(s124*s134*s34*z12) + 
   (s13*s14*z3)/(s123*s134*s34*z12) - (s13*s14*z3)/(2*s124*s134*s34*z12) + 
   (3*s14^2*z3)/(2*s12*s123*s34*z12) + (3*s14^2*z3)/(2*s12*s124*s34*z12) - 
   (s14^2*z3)/(2*s124*s134*s34*z12) + (2*s23*z3)/(s12*s34*z12) + 
   (6*s23*z3)/(s123*s34*z12) + (2*s23*z3)/(s124*s34*z12) + 
   (6*s13*s23*z3)/(s12*s123*s34*z12) + (s23*z3)/(4*s134*s34*z12) + 
   (2*s12*s23*z3)/(s123*s134*s34*z12) - (s12*s23*z3)/(2*s124*s134*s34*z12) + 
   (2*s13*s23*z3)/(s123*s134*s34*z12) + (9*s14*s23*z3)/(2*s12*s123*s34*z12) + 
   (3*s14*s23*z3)/(2*s12*s124*s34*z12) + (s14*s23*z3)/(s123*s134*s34*z12) - 
   (s14*s23*z3)/(2*s124*s134*s34*z12) + (3*s23^2*z3)/(s12*s123*s34*z12) + 
   (s23^2*z3)/(s123*s134*s34*z12) + (s12*z3)/(2*s234*s34*z12) - 
   (s12^2*z3)/(2*s123*s234*s34*z12) + (s12^2*z3)/(s124*s234*s34*z12) + 
   (s13*z3)/(4*s234*s34*z12) - (s12*s13*z3)/(s123*s234*s34*z12) + 
   (s12*s13*z3)/(s124*s234*s34*z12) - (s13^2*z3)/(2*s123*s234*s34*z12) + 
   (3*s14*z3)/(4*s234*s34*z12) - (s12*s14*z3)/(2*s123*s234*s34*z12) + 
   (2*s12*s14*z3)/(s124*s234*s34*z12) - (s13*s14*z3)/(2*s123*s234*s34*z12) + 
   (s13*s14*z3)/(s124*s234*s34*z12) + (s14^2*z3)/(s124*s234*s34*z12) + 
   (s23*z3)/(4*s234*s34*z12) - (s12*s23*z3)/(s123*s234*s34*z12) + 
   (s12*s23*z3)/(s124*s234*s34*z12) - (s13*s23*z3)/(s123*s234*s34*z12) - 
   (s14*s23*z3)/(2*s123*s234*s34*z12) + (s14*s23*z3)/(s124*s234*s34*z12) - 
   (s23^2*z3)/(2*s123*s234*s34*z12) + (3*s24*z3)/(s12*s34*z12) + 
   (9*s24*z3)/(2*s123*s34*z12) + (7*s24*z3)/(2*s124*s34*z12) + 
   (9*s13*s24*z3)/(2*s12*s123*s34*z12) + (3*s13*s24*z3)/
    (2*s12*s124*s34*z12) + (3*s24*z3)/(4*s134*s34*z12) + 
   (s12*s24*z3)/(s123*s134*s34*z12) - (s12*s24*z3)/(s124*s134*s34*z12) + 
   (s13*s24*z3)/(s123*s134*s34*z12) - (s13*s24*z3)/(2*s124*s134*s34*z12) + 
   (3*s14*s24*z3)/(s12*s123*s34*z12) + (3*s14*s24*z3)/(s12*s124*s34*z12) - 
   (s14*s24*z3)/(s124*s134*s34*z12) + (9*s23*s24*z3)/(2*s12*s123*s34*z12) + 
   (3*s23*s24*z3)/(2*s12*s124*s34*z12) + (s23*s24*z3)/(s123*s134*s34*z12) - 
   (s23*s24*z3)/(2*s124*s134*s34*z12) + (3*s24*z3)/(4*s234*s34*z12) - 
   (s12*s24*z3)/(2*s123*s234*s34*z12) + (2*s12*s24*z3)/(s124*s234*s34*z12) - 
   (s13*s24*z3)/(2*s123*s234*s34*z12) + (s13*s24*z3)/(s124*s234*s34*z12) + 
   (2*s14*s24*z3)/(s124*s234*s34*z12) - (s23*s24*z3)/(2*s123*s234*s34*z12) + 
   (s23*s24*z3)/(s124*s234*s34*z12) + (3*s24^2*z3)/(2*s12*s123*s34*z12) + 
   (3*s24^2*z3)/(2*s12*s124*s34*z12) - (s24^2*z3)/(2*s124*s134*s34*z12) + 
   (s24^2*z3)/(s124*s234*s34*z12) + (2*s34*z3)/(s123*s124*z12) + 
   (2*s14*s34*z3)/(s12*s123*s124*z12) + (2*s24*s34*z3)/(s12*s123*s124*z12) + 
   (2*z1)/(s12*z34) + z1/(2*s123*z34) + z1/(2*s124*z34) + 
   (s13*z1)/(2*s12*s123*z34) + (s13*z1)/(2*s12*s124*z34) + z1/(s134*z34) + 
   (s14*z1)/(2*s12*s123*z34) + (s14*z1)/(2*s12*s124*z34) - 
   (s23*z1)/(s12^2*z34) + (s23*z1)/(2*s12*s123*z34) + 
   (s23*z1)/(2*s12*s124*z34) - (s13*s23*z1)/(4*s12^2*s123*z34) + 
   (s13*s23*z1)/(4*s12^2*s124*z34) - (s14*s23*z1)/(4*s12^2*s123*z34) + 
   (s14*s23*z1)/(4*s12^2*s124*z34) + (s23^2*z1)/(4*s12^2*s123*z34) - 
   (s23^2*z1)/(4*s12^2*s124*z34) - (s23*z1)/(s12*s234*z34) - 
   (s24*z1)/(s12^2*z34) + (s24*z1)/(2*s12*s123*z34) + 
   (s24*z1)/(2*s12*s124*z34) + (s13*s24*z1)/(4*s12^2*s123*z34) - 
   (s13*s24*z1)/(4*s12^2*s124*z34) + (s14*s24*z1)/(4*s12^2*s123*z34) - 
   (s14*s24*z1)/(4*s12^2*s124*z34) - (s24*z1)/(s12*s234*z34) - 
   (s24^2*z1)/(4*s12^2*s123*z34) + (s24^2*z1)/(4*s12^2*s124*z34) + 
   (2*z1)/(s34*z34) + (2*s13*z1)/(s12*s34*z34) + (s12*z1)/(s134*s34*z34) + 
   (s13*z1)/(s134*s34*z34) + (2*s14*z1)/(s12*s34*z34) + 
   (s14*z1)/(s134*s34*z34) + (s23*z1)/(s12*s34*z34) - 
   (s13*s23*z1)/(s12^2*s34*z34) - (s13*s23*z1)/(4*s12*s123*s34*z34) + 
   (s13*s23*z1)/(4*s12*s124*s34*z34) - (s13^2*s23*z1)/
    (4*s12^2*s123*s34*z34) + (s13^2*s23*z1)/(4*s12^2*s124*s34*z34) + 
   (s23*z1)/(s134*s34*z34) - (s14*s23*z1)/(s12^2*s34*z34) - 
   (s14*s23*z1)/(4*s12*s123*s34*z34) + (s14*s23*z1)/(4*s12*s124*s34*z34) - 
   (s13*s14*s23*z1)/(2*s12^2*s123*s34*z34) + (s13*s14*s23*z1)/
    (2*s12^2*s124*s34*z34) - (s14^2*s23*z1)/(4*s12^2*s123*s34*z34) + 
   (s14^2*s23*z1)/(4*s12^2*s124*s34*z34) - (s23^2*z1)/(s12^2*s34*z34) + 
   (s23^2*z1)/(4*s12*s123*s34*z34) - (s23^2*z1)/(4*s12*s124*s34*z34) + 
   (s23^3*z1)/(4*s12^2*s123*s34*z34) - (s23^3*z1)/(4*s12^2*s124*s34*z34) - 
   (s23*z1)/(s234*s34*z34) - (s13*s23*z1)/(s12*s234*s34*z34) - 
   (s14*s23*z1)/(s12*s234*s34*z34) - (s23^2*z1)/(s12*s234*s34*z34) + 
   (s24*z1)/(s12*s34*z34) - (s13*s24*z1)/(s12^2*s34*z34) + 
   (s13*s24*z1)/(4*s12*s123*s34*z34) - (s13*s24*z1)/(4*s12*s124*s34*z34) + 
   (s13^2*s24*z1)/(4*s12^2*s123*s34*z34) - 
   (s13^2*s24*z1)/(4*s12^2*s124*s34*z34) + (s24*z1)/(s134*s34*z34) - 
   (s14*s24*z1)/(s12^2*s34*z34) + (s14*s24*z1)/(4*s12*s123*s34*z34) - 
   (s14*s24*z1)/(4*s12*s124*s34*z34) + (s13*s14*s24*z1)/
    (2*s12^2*s123*s34*z34) - (s13*s14*s24*z1)/(2*s12^2*s124*s34*z34) + 
   (s14^2*s24*z1)/(4*s12^2*s123*s34*z34) - 
   (s14^2*s24*z1)/(4*s12^2*s124*s34*z34) - (2*s23*s24*z1)/(s12^2*s34*z34) + 
   (s23^2*s24*z1)/(4*s12^2*s123*s34*z34) - 
   (s23^2*s24*z1)/(4*s12^2*s124*s34*z34) - (s24*z1)/(s234*s34*z34) - 
   (s13*s24*z1)/(s12*s234*s34*z34) - (s14*s24*z1)/(s12*s234*s34*z34) - 
   (2*s23*s24*z1)/(s12*s234*s34*z34) - (s24^2*z1)/(s12^2*s34*z34) - 
   (s24^2*z1)/(4*s12*s123*s34*z34) + (s24^2*z1)/(4*s12*s124*s34*z34) - 
   (s23*s24^2*z1)/(4*s12^2*s123*s34*z34) + 
   (s23*s24^2*z1)/(4*s12^2*s124*s34*z34) - (s24^2*z1)/(s12*s234*s34*z34) - 
   (s24^3*z1)/(4*s12^2*s123*s34*z34) + (s24^3*z1)/(4*s12^2*s124*s34*z34) + 
   (s34*z1)/(2*s12*s123*z34) + (s34*z1)/(2*s12*s124*z34) + 
   (s23*z1^2)/(s12^2*z12*z34) + (s23*z1^2)/(2*s12*s123*z12*z34) - 
   (s23*z1^2)/(2*s12*s124*z12*z34) + (s13*s23*z1^2)/(4*s12^2*s123*z12*z34) - 
   (s13*s23*z1^2)/(4*s12^2*s124*z12*z34) + 
   (s14*s23*z1^2)/(4*s12^2*s123*z12*z34) - 
   (s14*s23*z1^2)/(4*s12^2*s124*z12*z34) + 
   (s23^2*z1^2)/(4*s12^2*s123*z12*z34) - 
   (s23^2*z1^2)/(4*s12^2*s124*z12*z34) + (s24*z1^2)/(s12^2*z12*z34) - 
   (s24*z1^2)/(2*s12*s123*z12*z34) + (s24*z1^2)/(2*s12*s124*z12*z34) - 
   (s13*s24*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s13*s24*z1^2)/(4*s12^2*s124*z12*z34) - 
   (s14*s24*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s14*s24*z1^2)/(4*s12^2*s124*z12*z34) - 
   (s24^2*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s24^2*z1^2)/(4*s12^2*s124*z12*z34) + (s23*z1^2)/(s12*s34*z12*z34) + 
   (s23*z1^2)/(2*s123*s34*z12*z34) - (s23*z1^2)/(2*s124*s34*z12*z34) + 
   (s13*s23*z1^2)/(s12^2*s34*z12*z34) + (3*s13*s23*z1^2)/
    (4*s12*s123*s34*z12*z34) - (3*s13*s23*z1^2)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s23*z1^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^2*s23*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s14*s23*z1^2)/(s12^2*s34*z12*z34) + (3*s14*s23*z1^2)/
    (4*s12*s123*s34*z12*z34) - (3*s14*s23*z1^2)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14*s23*z1^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s14*s23*z1^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14^2*s23*z1^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^2*s23*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s23^2*z1^2)/(s12^2*s34*z12*z34) + (3*s23^2*z1^2)/
    (4*s12*s123*s34*z12*z34) - (3*s23^2*z1^2)/(4*s12*s124*s34*z12*z34) + 
   (s13*s23^2*z1^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s23^2*z1^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s23^2*z1^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s14*s23^2*z1^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^3*z1^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s23^3*z1^2)/(4*s12^2*s124*s34*z12*z34) + (s24*z1^2)/(s12*s34*z12*z34) - 
   (s24*z1^2)/(2*s123*s34*z12*z34) + (s24*z1^2)/(2*s124*s34*z12*z34) + 
   (s13*s24*z1^2)/(s12^2*s34*z12*z34) - (3*s13*s24*z1^2)/
    (4*s12*s123*s34*z12*z34) + (3*s13*s24*z1^2)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s24*z1^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s14*s24*z1^2)/(s12^2*s34*z12*z34) - (3*s14*s24*z1^2)/
    (4*s12*s123*s34*z12*z34) + (3*s14*s24*z1^2)/(4*s12*s124*s34*z12*z34) - 
   (s13*s14*s24*z1^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14*s24*z1^2)/(2*s12^2*s124*s34*z12*z34) - 
   (s14^2*s24*z1^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^2*s24*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (2*s23*s24*z1^2)/(s12^2*s34*z12*z34) + (s23^2*s24*z1^2)/
    (4*s12^2*s123*s34*z12*z34) - (s23^2*s24*z1^2)/
    (4*s12^2*s124*s34*z12*z34) + (s24^2*z1^2)/(s12^2*s34*z12*z34) - 
   (3*s24^2*z1^2)/(4*s12*s123*s34*z12*z34) + 
   (3*s24^2*z1^2)/(4*s12*s124*s34*z12*z34) - (s13*s24^2*z1^2)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s24^2*z1^2)/
    (2*s12^2*s124*s34*z12*z34) - (s14*s24^2*z1^2)/
    (2*s12^2*s123*s34*z12*z34) + (s14*s24^2*z1^2)/
    (2*s12^2*s124*s34*z12*z34) - (s23*s24^2*z1^2)/
    (4*s12^2*s123*s34*z12*z34) + (s23*s24^2*z1^2)/
    (4*s12^2*s124*s34*z12*z34) - (s24^3*z1^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s24^3*z1^2)/(4*s12^2*s124*s34*z12*z34) + (2*z2)/(s12*z34) + 
   z2/(2*s123*z34) + z2/(2*s124*z34) - (s13*z2)/(s12^2*z34) + 
   (s13*z2)/(2*s12*s123*z34) + (s13*z2)/(2*s12*s124*z34) + 
   (s13^2*z2)/(4*s12^2*s123*z34) - (s13^2*z2)/(4*s12^2*s124*z34) - 
   (s13*z2)/(s12*s134*z34) - (s14*z2)/(s12^2*z34) + 
   (s14*z2)/(2*s12*s123*z34) + (s14*z2)/(2*s12*s124*z34) - 
   (s14*z2)/(s12*s134*z34) - (s14^2*z2)/(4*s12^2*s123*z34) + 
   (s14^2*z2)/(4*s12^2*s124*z34) + (s23*z2)/(2*s12*s123*z34) + 
   (s23*z2)/(2*s12*s124*z34) - (s13*s23*z2)/(4*s12^2*s123*z34) + 
   (s13*s23*z2)/(4*s12^2*s124*z34) + (s14*s23*z2)/(4*s12^2*s123*z34) - 
   (s14*s23*z2)/(4*s12^2*s124*z34) + z2/(s234*z34) + 
   (s24*z2)/(2*s12*s123*z34) + (s24*z2)/(2*s12*s124*z34) - 
   (s13*s24*z2)/(4*s12^2*s123*z34) + (s13*s24*z2)/(4*s12^2*s124*z34) + 
   (s14*s24*z2)/(4*s12^2*s123*z34) - (s14*s24*z2)/(4*s12^2*s124*z34) + 
   (2*z2)/(s34*z34) + (s13*z2)/(s12*s34*z34) - (s13^2*z2)/(s12^2*s34*z34) + 
   (s13^2*z2)/(4*s12*s123*s34*z34) - (s13^2*z2)/(4*s12*s124*s34*z34) + 
   (s13^3*z2)/(4*s12^2*s123*s34*z34) - (s13^3*z2)/(4*s12^2*s124*s34*z34) - 
   (s13*z2)/(s134*s34*z34) - (s13^2*z2)/(s12*s134*s34*z34) + 
   (s14*z2)/(s12*s34*z34) - (2*s13*s14*z2)/(s12^2*s34*z34) + 
   (s13^2*s14*z2)/(4*s12^2*s123*s34*z34) - 
   (s13^2*s14*z2)/(4*s12^2*s124*s34*z34) - (s14*z2)/(s134*s34*z34) - 
   (2*s13*s14*z2)/(s12*s134*s34*z34) - (s14^2*z2)/(s12^2*s34*z34) - 
   (s14^2*z2)/(4*s12*s123*s34*z34) + (s14^2*z2)/(4*s12*s124*s34*z34) - 
   (s13*s14^2*z2)/(4*s12^2*s123*s34*z34) + 
   (s13*s14^2*z2)/(4*s12^2*s124*s34*z34) - (s14^2*z2)/(s12*s134*s34*z34) - 
   (s14^3*z2)/(4*s12^2*s123*s34*z34) + (s14^3*z2)/(4*s12^2*s124*s34*z34) + 
   (2*s23*z2)/(s12*s34*z34) - (s13*s23*z2)/(s12^2*s34*z34) - 
   (s13*s23*z2)/(4*s12*s123*s34*z34) + (s13*s23*z2)/(4*s12*s124*s34*z34) - 
   (s13*s23*z2)/(s12*s134*s34*z34) - (s14*s23*z2)/(s12^2*s34*z34) + 
   (s14*s23*z2)/(4*s12*s123*s34*z34) - (s14*s23*z2)/(4*s12*s124*s34*z34) - 
   (s14*s23*z2)/(s12*s134*s34*z34) - (s13*s23^2*z2)/(4*s12^2*s123*s34*z34) + 
   (s13*s23^2*z2)/(4*s12^2*s124*s34*z34) + 
   (s14*s23^2*z2)/(4*s12^2*s123*s34*z34) - 
   (s14*s23^2*z2)/(4*s12^2*s124*s34*z34) + (s12*z2)/(s234*s34*z34) + 
   (s13*z2)/(s234*s34*z34) + (s14*z2)/(s234*s34*z34) + 
   (s23*z2)/(s234*s34*z34) + (2*s24*z2)/(s12*s34*z34) - 
   (s13*s24*z2)/(s12^2*s34*z34) - (s13*s24*z2)/(4*s12*s123*s34*z34) + 
   (s13*s24*z2)/(4*s12*s124*s34*z34) - (s13*s24*z2)/(s12*s134*s34*z34) - 
   (s14*s24*z2)/(s12^2*s34*z34) + (s14*s24*z2)/(4*s12*s123*s34*z34) - 
   (s14*s24*z2)/(4*s12*s124*s34*z34) - (s14*s24*z2)/(s12*s134*s34*z34) - 
   (s13*s23*s24*z2)/(2*s12^2*s123*s34*z34) + (s13*s23*s24*z2)/
    (2*s12^2*s124*s34*z34) + (s14*s23*s24*z2)/(2*s12^2*s123*s34*z34) - 
   (s14*s23*s24*z2)/(2*s12^2*s124*s34*z34) + (s24*z2)/(s234*s34*z34) - 
   (s13*s24^2*z2)/(4*s12^2*s123*s34*z34) + 
   (s13*s24^2*z2)/(4*s12^2*s124*s34*z34) + 
   (s14*s24^2*z2)/(4*s12^2*s123*s34*z34) - 
   (s14*s24^2*z2)/(4*s12^2*s124*s34*z34) + (s34*z2)/(2*s12*s123*z34) + 
   (s34*z2)/(2*s12*s124*z34) - (4*z1^2*z2)/(s12*z12^2*z34) - 
   (2*s13*z1^2*z2)/(s12^2*z12^2*z34) - (2*s14*z1^2*z2)/(s12^2*z12^2*z34) - 
   (2*s23*z1^2*z2)/(s12^2*z12^2*z34) - (2*s24*z1^2*z2)/(s12^2*z12^2*z34) - 
   (4*z1^2*z2)/(s34*z12^2*z34) - (6*s13*z1^2*z2)/(s12*s34*z12^2*z34) - 
   (2*s13^2*z1^2*z2)/(s12^2*s34*z12^2*z34) - 
   (6*s14*z1^2*z2)/(s12*s34*z12^2*z34) - (4*s13*s14*z1^2*z2)/
    (s12^2*s34*z12^2*z34) - (2*s14^2*z1^2*z2)/(s12^2*s34*z12^2*z34) - 
   (6*s23*z1^2*z2)/(s12*s34*z12^2*z34) - (4*s13*s23*z1^2*z2)/
    (s12^2*s34*z12^2*z34) - (4*s14*s23*z1^2*z2)/(s12^2*s34*z12^2*z34) - 
   (2*s23^2*z1^2*z2)/(s12^2*s34*z12^2*z34) - 
   (6*s24*z1^2*z2)/(s12*s34*z12^2*z34) - (4*s13*s24*z1^2*z2)/
    (s12^2*s34*z12^2*z34) - (4*s14*s24*z1^2*z2)/(s12^2*s34*z12^2*z34) - 
   (4*s23*s24*z1^2*z2)/(s12^2*s34*z12^2*z34) - 
   (2*s24^2*z1^2*z2)/(s12^2*s34*z12^2*z34) + (4*z1*z2)/(s12*z12*z34) + 
   (3*s13*z1*z2)/(s12^2*z12*z34) - (s13*z1*z2)/(2*s12*s123*z12*z34) + 
   (s13*z1*z2)/(2*s12*s124*z12*z34) - (s13^2*z1*z2)/(4*s12^2*s123*z12*z34) + 
   (s13^2*z1*z2)/(4*s12^2*s124*z12*z34) + (2*z1*z2)/(s134*z12*z34) + 
   (s13*z1*z2)/(s12*s134*z12*z34) + (3*s14*z1*z2)/(s12^2*z12*z34) + 
   (s14*z1*z2)/(2*s12*s123*z12*z34) - (s14*z1*z2)/(2*s12*s124*z12*z34) + 
   (s14*z1*z2)/(s12*s134*z12*z34) + (s14^2*z1*z2)/(4*s12^2*s123*z12*z34) - 
   (s14^2*z1*z2)/(4*s12^2*s124*z12*z34) + (3*s23*z1*z2)/(s12^2*z12*z34) - 
   (s23*z1*z2)/(2*s12*s123*z12*z34) + (s23*z1*z2)/(2*s12*s124*z12*z34) - 
   (s13*s23*z1*z2)/(2*s12^2*s123*z12*z34) + (s13*s23*z1*z2)/
    (2*s12^2*s124*z12*z34) + (s23*z1*z2)/(s12*s134*z12*z34) - 
   (s23^2*z1*z2)/(4*s12^2*s123*z12*z34) + 
   (s23^2*z1*z2)/(4*s12^2*s124*z12*z34) + (2*z1*z2)/(s234*z12*z34) + 
   (s13*z1*z2)/(s12*s234*z12*z34) + (s14*z1*z2)/(s12*s234*z12*z34) + 
   (s23*z1*z2)/(s12*s234*z12*z34) + (3*s24*z1*z2)/(s12^2*z12*z34) + 
   (s24*z1*z2)/(2*s12*s123*z12*z34) - (s24*z1*z2)/(2*s12*s124*z12*z34) + 
   (s24*z1*z2)/(s12*s134*z12*z34) + (s14*s24*z1*z2)/(2*s12^2*s123*z12*z34) - 
   (s14*s24*z1*z2)/(2*s12^2*s124*z12*z34) + (s24*z1*z2)/(s12*s234*z12*z34) + 
   (s24^2*z1*z2)/(4*s12^2*s123*z12*z34) - 
   (s24^2*z1*z2)/(4*s12^2*s124*z12*z34) + (4*z1*z2)/(s34*z12*z34) + 
   (7*s13*z1*z2)/(s12*s34*z12*z34) - (s13*z1*z2)/(2*s123*s34*z12*z34) + 
   (s13*z1*z2)/(2*s124*s34*z12*z34) + (3*s13^2*z1*z2)/(s12^2*s34*z12*z34) - 
   (3*s13^2*z1*z2)/(4*s12*s123*s34*z12*z34) + 
   (3*s13^2*z1*z2)/(4*s12*s124*s34*z12*z34) - 
   (s13^3*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^3*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (2*s12*z1*z2)/(s134*s34*z12*z34) + (3*s13*z1*z2)/(s134*s34*z12*z34) + 
   (s13^2*z1*z2)/(s12*s134*s34*z12*z34) + (7*s14*z1*z2)/(s12*s34*z12*z34) + 
   (s14*z1*z2)/(2*s123*s34*z12*z34) - (s14*z1*z2)/(2*s124*s34*z12*z34) + 
   (6*s13*s14*z1*z2)/(s12^2*s34*z12*z34) - (s13^2*s14*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) + (s13^2*s14*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) + (3*s14*z1*z2)/(s134*s34*z12*z34) + 
   (2*s13*s14*z1*z2)/(s12*s134*s34*z12*z34) + 
   (3*s14^2*z1*z2)/(s12^2*s34*z12*z34) + (3*s14^2*z1*z2)/
    (4*s12*s123*s34*z12*z34) - (3*s14^2*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14^2*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13*s14^2*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (s14^2*z1*z2)/(s12*s134*s34*z12*z34) + 
   (s14^3*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^3*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (7*s23*z1*z2)/(s12*s34*z12*z34) - (s23*z1*z2)/(2*s123*s34*z12*z34) + 
   (s23*z1*z2)/(2*s124*s34*z12*z34) + (6*s13*s23*z1*z2)/(s12^2*s34*z12*z34) - 
   (3*s13*s23*z1*z2)/(2*s12*s123*s34*z12*z34) + 
   (3*s13*s23*z1*z2)/(2*s12*s124*s34*z12*z34) - 
   (3*s13^2*s23*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (3*s13^2*s23*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (3*s23*z1*z2)/(s134*s34*z12*z34) + (2*s13*s23*z1*z2)/
    (s12*s134*s34*z12*z34) + (6*s14*s23*z1*z2)/(s12^2*s34*z12*z34) - 
   (s13*s14*s23*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14*s23*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (2*s14*s23*z1*z2)/(s12*s134*s34*z12*z34) + 
   (s14^2*s23*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^2*s23*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (3*s23^2*z1*z2)/(s12^2*s34*z12*z34) - (3*s23^2*z1*z2)/
    (4*s12*s123*s34*z12*z34) + (3*s23^2*z1*z2)/(4*s12*s124*s34*z12*z34) - 
   (3*s13*s23^2*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (3*s13*s23^2*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (s23^2*z1*z2)/(s12*s134*s34*z12*z34) - (s14*s23^2*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) + (s14*s23^2*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) - (s23^3*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s23^3*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (2*s12*z1*z2)/(s234*s34*z12*z34) + (3*s13*z1*z2)/(s234*s34*z12*z34) + 
   (s13^2*z1*z2)/(s12*s234*s34*z12*z34) + (3*s14*z1*z2)/(s234*s34*z12*z34) + 
   (2*s13*s14*z1*z2)/(s12*s234*s34*z12*z34) + 
   (s14^2*z1*z2)/(s12*s234*s34*z12*z34) + (3*s23*z1*z2)/(s234*s34*z12*z34) + 
   (2*s13*s23*z1*z2)/(s12*s234*s34*z12*z34) + 
   (2*s14*s23*z1*z2)/(s12*s234*s34*z12*z34) + 
   (s23^2*z1*z2)/(s12*s234*s34*z12*z34) + (7*s24*z1*z2)/(s12*s34*z12*z34) + 
   (s24*z1*z2)/(2*s123*s34*z12*z34) - (s24*z1*z2)/(2*s124*s34*z12*z34) + 
   (6*s13*s24*z1*z2)/(s12^2*s34*z12*z34) - (s13^2*s24*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) + (s13^2*s24*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) + (3*s24*z1*z2)/(s134*s34*z12*z34) + 
   (2*s13*s24*z1*z2)/(s12*s134*s34*z12*z34) + 
   (6*s14*s24*z1*z2)/(s12^2*s34*z12*z34) + (3*s14*s24*z1*z2)/
    (2*s12*s123*s34*z12*z34) - (3*s14*s24*z1*z2)/(2*s12*s124*s34*z12*z34) + 
   (s13*s14*s24*z1*z2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s14*s24*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (2*s14*s24*z1*z2)/(s12*s134*s34*z12*z34) + (3*s14^2*s24*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) - (3*s14^2*s24*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) + (6*s23*s24*z1*z2)/(s12^2*s34*z12*z34) - 
   (s13*s23*s24*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s23*s24*z1*z2)/(2*s12^2*s124*s34*z12*z34) + 
   (2*s23*s24*z1*z2)/(s12*s134*s34*z12*z34) + (s14*s23*s24*z1*z2)/
    (2*s12^2*s123*s34*z12*z34) - (s14*s23*s24*z1*z2)/
    (2*s12^2*s124*s34*z12*z34) - (s23^2*s24*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) + (s23^2*s24*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) + (3*s24*z1*z2)/(s234*s34*z12*z34) + 
   (2*s13*s24*z1*z2)/(s12*s234*s34*z12*z34) + 
   (2*s14*s24*z1*z2)/(s12*s234*s34*z12*z34) + 
   (2*s23*s24*z1*z2)/(s12*s234*s34*z12*z34) + 
   (3*s24^2*z1*z2)/(s12^2*s34*z12*z34) + (3*s24^2*z1*z2)/
    (4*s12*s123*s34*z12*z34) - (3*s24^2*z1*z2)/(4*s12*s124*s34*z12*z34) + 
   (s13*s24^2*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13*s24^2*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (s24^2*z1*z2)/(s12*s134*s34*z12*z34) + (3*s14*s24^2*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) - (3*s14*s24^2*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) + (s23*s24^2*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) - (s23*s24^2*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) + (s24^2*z1*z2)/(s12*s234*s34*z12*z34) + 
   (s24^3*z1*z2)/(4*s12^2*s123*s34*z12*z34) - 
   (s24^3*z1*z2)/(4*s12^2*s124*s34*z12*z34) - (4*z1*z2^2)/(s12*z12^2*z34) - 
   (2*s13*z1*z2^2)/(s12^2*z12^2*z34) - (2*s14*z1*z2^2)/(s12^2*z12^2*z34) - 
   (2*s23*z1*z2^2)/(s12^2*z12^2*z34) - (2*s24*z1*z2^2)/(s12^2*z12^2*z34) - 
   (4*z1*z2^2)/(s34*z12^2*z34) - (6*s13*z1*z2^2)/(s12*s34*z12^2*z34) - 
   (2*s13^2*z1*z2^2)/(s12^2*s34*z12^2*z34) - 
   (6*s14*z1*z2^2)/(s12*s34*z12^2*z34) - (4*s13*s14*z1*z2^2)/
    (s12^2*s34*z12^2*z34) - (2*s14^2*z1*z2^2)/(s12^2*s34*z12^2*z34) - 
   (6*s23*z1*z2^2)/(s12*s34*z12^2*z34) - (4*s13*s23*z1*z2^2)/
    (s12^2*s34*z12^2*z34) - (4*s14*s23*z1*z2^2)/(s12^2*s34*z12^2*z34) - 
   (2*s23^2*z1*z2^2)/(s12^2*s34*z12^2*z34) - 
   (6*s24*z1*z2^2)/(s12*s34*z12^2*z34) - (4*s13*s24*z1*z2^2)/
    (s12^2*s34*z12^2*z34) - (4*s14*s24*z1*z2^2)/(s12^2*s34*z12^2*z34) - 
   (4*s23*s24*z1*z2^2)/(s12^2*s34*z12^2*z34) - 
   (2*s24^2*z1*z2^2)/(s12^2*s34*z12^2*z34) + (s13*z2^2)/(s12^2*z12*z34) + 
   (s13*z2^2)/(2*s12*s123*z12*z34) - (s13*z2^2)/(2*s12*s124*z12*z34) + 
   (s13^2*z2^2)/(4*s12^2*s123*z12*z34) - 
   (s13^2*z2^2)/(4*s12^2*s124*z12*z34) + (s14*z2^2)/(s12^2*z12*z34) - 
   (s14*z2^2)/(2*s12*s123*z12*z34) + (s14*z2^2)/(2*s12*s124*z12*z34) - 
   (s14^2*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s14^2*z2^2)/(4*s12^2*s124*z12*z34) + (s13*s23*z2^2)/
    (4*s12^2*s123*z12*z34) - (s13*s23*z2^2)/(4*s12^2*s124*z12*z34) - 
   (s14*s23*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s14*s23*z2^2)/(4*s12^2*s124*z12*z34) + 
   (s13*s24*z2^2)/(4*s12^2*s123*z12*z34) - 
   (s13*s24*z2^2)/(4*s12^2*s124*z12*z34) - 
   (s14*s24*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s14*s24*z2^2)/(4*s12^2*s124*z12*z34) + (s13*z2^2)/(s12*s34*z12*z34) + 
   (s13*z2^2)/(2*s123*s34*z12*z34) - (s13*z2^2)/(2*s124*s34*z12*z34) + 
   (s13^2*z2^2)/(s12^2*s34*z12*z34) + (3*s13^2*z2^2)/
    (4*s12*s123*s34*z12*z34) - (3*s13^2*z2^2)/(4*s12*s124*s34*z12*z34) + 
   (s13^3*z2^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^3*z2^2)/(4*s12^2*s124*s34*z12*z34) + (s14*z2^2)/(s12*s34*z12*z34) - 
   (s14*z2^2)/(2*s123*s34*z12*z34) + (s14*z2^2)/(2*s124*s34*z12*z34) + 
   (2*s13*s14*z2^2)/(s12^2*s34*z12*z34) + (s13^2*s14*z2^2)/
    (4*s12^2*s123*s34*z12*z34) - (s13^2*s14*z2^2)/
    (4*s12^2*s124*s34*z12*z34) + (s14^2*z2^2)/(s12^2*s34*z12*z34) - 
   (3*s14^2*z2^2)/(4*s12*s123*s34*z12*z34) + 
   (3*s14^2*z2^2)/(4*s12*s124*s34*z12*z34) - (s13*s14^2*z2^2)/
    (4*s12^2*s123*s34*z12*z34) + (s13*s14^2*z2^2)/
    (4*s12^2*s124*s34*z12*z34) - (s14^3*z2^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^3*z2^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s13*s23*z2^2)/(s12^2*s34*z12*z34) + (3*s13*s23*z2^2)/
    (4*s12*s123*s34*z12*z34) - (3*s13*s23*z2^2)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s23*z2^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s23*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s23*z2^2)/(s12^2*s34*z12*z34) - (3*s14*s23*z2^2)/
    (4*s12*s123*s34*z12*z34) + (3*s14*s23*z2^2)/(4*s12*s124*s34*z12*z34) - 
   (s14^2*s23*z2^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s13*s23^2*z2^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13*s23^2*z2^2)/(4*s12^2*s124*s34*z12*z34) - 
   (s14*s23^2*z2^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s14*s23^2*z2^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s13*s24*z2^2)/(s12^2*s34*z12*z34) + (3*s13*s24*z2^2)/
    (4*s12*s123*s34*z12*z34) - (3*s13*s24*z2^2)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z2^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s24*z2^2)/(s12^2*s34*z12*z34) - (3*s14*s24*z2^2)/
    (4*s12*s123*s34*z12*z34) + (3*s14*s24*z2^2)/(4*s12*s124*s34*z12*z34) - 
   (s14^2*s24*z2^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s24*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s13*s23*s24*z2^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s23*s24*z2^2)/(2*s12^2*s124*s34*z12*z34) - 
   (s14*s23*s24*z2^2)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23*s24*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s13*s24^2*z2^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13*s24^2*z2^2)/(4*s12^2*s124*s34*z12*z34) - 
   (s14*s24^2*z2^2)/(4*s12^2*s123*s34*z12*z34) + 
   (s14*s24^2*z2^2)/(4*s12^2*s124*s34*z12*z34) + z3/(s12*z34) - 
   z3/(2*s123*z34) + z3/(2*s124*z34) - (7*s13*z3)/(4*s12*s123*z34) + 
   (3*s13*z3)/(4*s12*s124*z34) - (2*s12*z3)/(s123*s134*z34) - 
   (4*s13*z3)/(s123*s134*z34) - (7*s14*z3)/(4*s12*s123*z34) - 
   (s14*z3)/(4*s12*s124*z34) - (4*s14*z3)/(s123*s134*z34) - 
   (7*s23*z3)/(4*s12*s123*z34) + (3*s23*z3)/(4*s12*s124*z34) - 
   (s13*s23*z3)/(s12^2*s123*z34) - (2*s23*z3)/(s123*s134*z34) - 
   (s14*s23*z3)/(2*s12^2*s123*z34) - (s14*s23*z3)/(2*s12^2*s124*z34) + 
   (s12*z3)/(s123*s234*z34) + (s13*z3)/(s123*s234*z34) + 
   (s14*z3)/(s123*s234*z34) + (2*s23*z3)/(s123*s234*z34) - 
   (7*s24*z3)/(4*s12*s123*z34) - (s24*z3)/(4*s12*s124*z34) - 
   (s13*s24*z3)/(2*s12^2*s123*z34) - (s13*s24*z3)/(2*s12^2*s124*z34) - 
   (2*s24*z3)/(s123*s134*z34) - (s14*s24*z3)/(s12^2*s124*z34) + 
   (2*s24*z3)/(s123*s234*z34) - (s13*z3)/(s34^2*z34) - 
   (s13^2*z3)/(s12*s34^2*z34) - (s12*s13*z3)/(2*s134*s34^2*z34) - 
   (s13^2*z3)/(2*s134*s34^2*z34) - (3*s14*z3)/(s34^2*z34) - 
   (4*s13*s14*z3)/(s12*s34^2*z34) - (3*s12*s14*z3)/(2*s134*s34^2*z34) - 
   (2*s13*s14*z3)/(s134*s34^2*z34) - (3*s14^2*z3)/(s12*s34^2*z34) - 
   (3*s14^2*z3)/(2*s134*s34^2*z34) - (s23*z3)/(s34^2*z34) - 
   (4*s13*s23*z3)/(s12*s34^2*z34) - (2*s13^2*s23*z3)/(s12^2*s34^2*z34) - 
   (s13*s23*z3)/(s134*s34^2*z34) - (s13^2*s23*z3)/(2*s12*s134*s34^2*z34) - 
   (5*s14*s23*z3)/(s12*s34^2*z34) - (3*s13*s14*s23*z3)/(s12^2*s34^2*z34) - 
   (2*s14*s23*z3)/(s134*s34^2*z34) - (s13*s14*s23*z3)/(s12*s134*s34^2*z34) - 
   (s14^2*s23*z3)/(s12^2*s34^2*z34) - (s14^2*s23*z3)/(2*s12*s134*s34^2*z34) - 
   (s23^2*z3)/(s12*s34^2*z34) - (2*s13*s23^2*z3)/(s12^2*s34^2*z34) - 
   (s13*s23^2*z3)/(2*s12*s134*s34^2*z34) - (s14*s23^2*z3)/(s12^2*s34^2*z34) - 
   (s14*s23^2*z3)/(2*s12*s134*s34^2*z34) - (s12*s23*z3)/(2*s234*s34^2*z34) - 
   (s13*s23*z3)/(s234*s34^2*z34) - (s13^2*s23*z3)/(2*s12*s234*s34^2*z34) + 
   (s14^2*s23*z3)/(2*s12*s234*s34^2*z34) - (s23^2*z3)/(2*s234*s34^2*z34) - 
   (s13*s23^2*z3)/(2*s12*s234*s34^2*z34) + 
   (s14*s23^2*z3)/(2*s12*s234*s34^2*z34) - (3*s24*z3)/(s34^2*z34) - 
   (5*s13*s24*z3)/(s12*s34^2*z34) - (s13^2*s24*z3)/(s12^2*s34^2*z34) + 
   (s13^2*s24*z3)/(2*s12*s134*s34^2*z34) - (6*s14*s24*z3)/(s12*s34^2*z34) - 
   (s13*s14*s24*z3)/(s12^2*s34^2*z34) - (s14*s24*z3)/(s134*s34^2*z34) + 
   (s13*s14*s24*z3)/(s12*s134*s34^2*z34) + 
   (s14^2*s24*z3)/(2*s12*s134*s34^2*z34) - (4*s23*s24*z3)/(s12*s34^2*z34) - 
   (3*s13*s23*s24*z3)/(s12^2*s34^2*z34) - (s14*s23*s24*z3)/
    (s12^2*s34^2*z34) - (3*s12*s24*z3)/(2*s234*s34^2*z34) - 
   (2*s13*s24*z3)/(s234*s34^2*z34) - (s13^2*s24*z3)/(2*s12*s234*s34^2*z34) - 
   (s14*s24*z3)/(s234*s34^2*z34) + (s14^2*s24*z3)/(2*s12*s234*s34^2*z34) - 
   (2*s23*s24*z3)/(s234*s34^2*z34) - (s13*s23*s24*z3)/(s12*s234*s34^2*z34) + 
   (s14*s23*s24*z3)/(s12*s234*s34^2*z34) - (3*s24^2*z3)/(s12*s34^2*z34) - 
   (s13*s24^2*z3)/(s12^2*s34^2*z34) + (s13*s24^2*z3)/(2*s12*s134*s34^2*z34) + 
   (s14*s24^2*z3)/(2*s12*s134*s34^2*z34) - (3*s24^2*z3)/(2*s234*s34^2*z34) - 
   (s13*s24^2*z3)/(2*s12*s234*s34^2*z34) + 
   (s14*s24^2*z3)/(2*s12*s234*s34^2*z34) + z3/(s34*z34) - 
   (5*s13*z3)/(4*s123*s34*z34) + (s13*z3)/(4*s124*s34*z34) - 
   (5*s13^2*z3)/(4*s12*s123*s34*z34) + (s13^2*z3)/(4*s12*s124*s34*z34) - 
   (s13*z3)/(2*s134*s34*z34) - (2*s12*s13*z3)/(s123*s134*s34*z34) - 
   (2*s13^2*z3)/(s123*s134*s34*z34) - (2*s14*z3)/(s12*s34*z34) - 
   (5*s14*z3)/(4*s123*s34*z34) - (3*s14*z3)/(4*s124*s34*z34) - 
   (5*s13*s14*z3)/(2*s12*s123*s34*z34) - (s13*s14*z3)/(2*s12*s124*s34*z34) - 
   (3*s14*z3)/(2*s134*s34*z34) - (2*s12*s14*z3)/(s123*s134*s34*z34) - 
   (4*s13*s14*z3)/(s123*s134*s34*z34) - (5*s14^2*z3)/(4*s12*s123*s34*z34) - 
   (3*s14^2*z3)/(4*s12*s124*s34*z34) - (2*s14^2*z3)/(s123*s134*s34*z34) - 
   (5*s23*z3)/(4*s123*s34*z34) + (s23*z3)/(4*s124*s34*z34) - 
   (2*s13*s23*z3)/(s12^2*s34*z34) - (7*s13*s23*z3)/(2*s12*s123*s34*z34) + 
   (s13*s23*z3)/(2*s12*s124*s34*z34) - (s13^2*s23*z3)/(s12^2*s123*s34*z34) - 
   (s13*s23*z3)/(2*s12*s134*s34*z34) - (2*s13*s23*z3)/(s123*s134*s34*z34) - 
   (s14*s23*z3)/(s12^2*s34*z34) - (3*s14*s23*z3)/(s12*s123*s34*z34) - 
   (s14*s23*z3)/(s12*s124*s34*z34) - (3*s13*s14*s23*z3)/
    (2*s12^2*s123*s34*z34) - (s13*s14*s23*z3)/(2*s12^2*s124*s34*z34) - 
   (s14*s23*z3)/(2*s12*s134*s34*z34) - (2*s14*s23*z3)/(s123*s134*s34*z34) - 
   (s14^2*s23*z3)/(2*s12^2*s123*s34*z34) - 
   (s14^2*s23*z3)/(2*s12^2*s124*s34*z34) - 
   (5*s23^2*z3)/(4*s12*s123*s34*z34) + (s23^2*z3)/(4*s12*s124*s34*z34) - 
   (s13*s23^2*z3)/(s12^2*s123*s34*z34) - (s14*s23^2*z3)/
    (2*s12^2*s123*s34*z34) - (s14*s23^2*z3)/(2*s12^2*s124*s34*z34) - 
   (s23*z3)/(2*s234*s34*z34) + (s12*s23*z3)/(s123*s234*s34*z34) - 
   (s13*s23*z3)/(2*s12*s234*s34*z34) + (s13*s23*z3)/(s123*s234*s34*z34) + 
   (s14*s23*z3)/(2*s12*s234*s34*z34) + (s14*s23*z3)/(s123*s234*s34*z34) + 
   (s23^2*z3)/(s123*s234*s34*z34) - (2*s24*z3)/(s12*s34*z34) - 
   (5*s24*z3)/(4*s123*s34*z34) - (3*s24*z3)/(4*s124*s34*z34) - 
   (s13*s24*z3)/(s12^2*s34*z34) - (3*s13*s24*z3)/(s12*s123*s34*z34) - 
   (s13*s24*z3)/(s12*s124*s34*z34) - (s13^2*s24*z3)/(2*s12^2*s123*s34*z34) - 
   (s13^2*s24*z3)/(2*s12^2*s124*s34*z34) + 
   (s13*s24*z3)/(2*s12*s134*s34*z34) - (2*s13*s24*z3)/(s123*s134*s34*z34) - 
   (5*s14*s24*z3)/(2*s12*s123*s34*z34) - (5*s14*s24*z3)/
    (2*s12*s124*s34*z34) - (s13*s14*s24*z3)/(2*s12^2*s123*s34*z34) - 
   (3*s13*s14*s24*z3)/(2*s12^2*s124*s34*z34) + 
   (s14*s24*z3)/(2*s12*s134*s34*z34) - (2*s14*s24*z3)/(s123*s134*s34*z34) - 
   (s14^2*s24*z3)/(s12^2*s124*s34*z34) - (5*s23*s24*z3)/
    (2*s12*s123*s34*z34) - (s23*s24*z3)/(2*s12*s124*s34*z34) - 
   (3*s13*s23*s24*z3)/(2*s12^2*s123*s34*z34) - 
   (s13*s23*s24*z3)/(2*s12^2*s124*s34*z34) - (s14*s23*s24*z3)/
    (2*s12^2*s123*s34*z34) - (3*s14*s23*s24*z3)/(2*s12^2*s124*s34*z34) - 
   (3*s24*z3)/(2*s234*s34*z34) + (s12*s24*z3)/(s123*s234*s34*z34) - 
   (s13*s24*z3)/(2*s12*s234*s34*z34) + (s13*s24*z3)/(s123*s234*s34*z34) + 
   (s14*s24*z3)/(2*s12*s234*s34*z34) + (s14*s24*z3)/(s123*s234*s34*z34) + 
   (2*s23*s24*z3)/(s123*s234*s34*z34) - (5*s24^2*z3)/(4*s12*s123*s34*z34) - 
   (3*s24^2*z3)/(4*s12*s124*s34*z34) - (s13*s24^2*z3)/
    (2*s12^2*s123*s34*z34) - (s13*s24^2*z3)/(2*s12^2*s124*s34*z34) - 
   (s14*s24^2*z3)/(s12^2*s124*s34*z34) + (s24^2*z3)/(s123*s234*s34*z34) - 
   (s34*z3)/(2*s12*s123*z34) + (s34*z3)/(2*s12*s124*z34) - 
   (2*s34*z3)/(s123*s134*z34) + (s34*z3)/(s123*s234*z34) - 
   (z1*z3)/(s12*z12*z34) - (z1*z3)/(2*s123*z12*z34) + 
   (z1*z3)/(2*s124*z12*z34) - (s13*z1*z3)/(4*s12*s123*z12*z34) + 
   (s13*z1*z3)/(4*s12*s124*z12*z34) - (s14*z1*z3)/(4*s12*s123*z12*z34) + 
   (s14*z1*z3)/(4*s12*s124*z12*z34) + (5*s23*z1*z3)/(4*s12*s123*z12*z34) + 
   (3*s23*z1*z3)/(4*s12*s124*z12*z34) + (s13*s23*z1*z3)/
    (s12^2*s123*z12*z34) + (s14*s23*z1*z3)/(2*s12^2*s123*z12*z34) + 
   (s14*s23*z1*z3)/(2*s12^2*s124*z12*z34) + 
   (s23^2*z1*z3)/(s12^2*s123*z12*z34) + (s24*z1*z3)/(4*s12*s123*z12*z34) + 
   (7*s24*z1*z3)/(4*s12*s124*z12*z34) + (s13*s24*z1*z3)/
    (2*s12^2*s123*z12*z34) + (s13*s24*z1*z3)/(2*s12^2*s124*z12*z34) + 
   (s14*s24*z1*z3)/(s12^2*s124*z12*z34) + (s23*s24*z1*z3)/
    (s12^2*s123*z12*z34) + (s23*s24*z1*z3)/(s12^2*s124*z12*z34) + 
   (s24^2*z1*z3)/(s12^2*s124*z12*z34) + (3*s23*z1*z3)/(s34^2*z12*z34) + 
   (5*s13*s23*z1*z3)/(s12*s34^2*z12*z34) + (2*s13^2*s23*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s12*s23*z1*z3)/(2*s134*s34^2*z12*z34) + 
   (3*s13*s23*z1*z3)/(4*s134*s34^2*z12*z34) + 
   (s13^2*s23*z1*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (4*s14*s23*z1*z3)/(s12*s34^2*z12*z34) + (3*s13*s14*s23*z1*z3)/
    (s12^2*s34^2*z12*z34) + (3*s14*s23*z1*z3)/(4*s134*s34^2*z12*z34) + 
   (s13*s14*s23*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*s23*z1*z3)/(s12^2*s34^2*z12*z34) + (s14^2*s23*z1*z3)/
    (4*s12*s134*s34^2*z12*z34) + (5*s23^2*z1*z3)/(s12*s34^2*z12*z34) + 
   (4*s13*s23^2*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (3*s23^2*z1*z3)/(4*s134*s34^2*z12*z34) + (s13*s23^2*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) + (3*s14*s23^2*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (s14*s23^2*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (2*s23^3*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (s23^3*z1*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s12*s23*z1*z3)/(2*s234*s34^2*z12*z34) + (3*s13*s23*z1*z3)/
    (4*s234*s34^2*z12*z34) + (s13^2*s23*z1*z3)/(4*s12*s234*s34^2*z12*z34) + 
   (3*s14*s23*z1*z3)/(4*s234*s34^2*z12*z34) + (s13*s14*s23*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s23*z1*z3)/
    (4*s12*s234*s34^2*z12*z34) + (3*s23^2*z1*z3)/(4*s234*s34^2*z12*z34) + 
   (s13*s23^2*z1*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s23^2*z1*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s23^3*z1*z3)/(4*s12*s234*s34^2*z12*z34) + (s24*z1*z3)/(s34^2*z12*z34) + 
   (2*s13*s24*z1*z3)/(s12*s34^2*z12*z34) + (s13^2*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) - (s12*s24*z1*z3)/(2*s134*s34^2*z12*z34) - 
   (3*s13*s24*z1*z3)/(4*s134*s34^2*z12*z34) - 
   (s13^2*s24*z1*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s14*s24*z1*z3)/(s12*s34^2*z12*z34) + (s13*s14*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) - (3*s14*s24*z1*z3)/(4*s134*s34^2*z12*z34) - 
   (s13*s14*s24*z1*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^2*s24*z1*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (6*s23*s24*z1*z3)/(s12*s34^2*z12*z34) + (5*s13*s23*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) + (3*s14*s23*s24*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (4*s23^2*s24*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (s23^2*s24*z1*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (s12*s24*z1*z3)/(2*s234*s34^2*z12*z34) - (3*s13*s24*z1*z3)/
    (4*s234*s34^2*z12*z34) - (s13^2*s24*z1*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (3*s14*s24*z1*z3)/(4*s234*s34^2*z12*z34) - (s13*s14*s24*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s14^2*s24*z1*z3)/
    (4*s12*s234*s34^2*z12*z34) + (s23^2*s24*z1*z3)/
    (4*s12*s234*s34^2*z12*z34) + (s24^2*z1*z3)/(s12*s34^2*z12*z34) + 
   (s13*s24^2*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s24^2*z1*z3)/(4*s134*s34^2*z12*z34) - (s13*s24^2*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) - (s14*s24^2*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) + (2*s23*s24^2*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s23*s24^2*z1*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (3*s24^2*z1*z3)/(4*s234*s34^2*z12*z34) - (s13*s24^2*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s14*s24^2*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s23*s24^2*z1*z3)/
    (4*s12*s234*s34^2*z12*z34) - (s24^3*z1*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (s24^3*z1*z3)/(4*s12*s234*s34^2*z12*z34) - (z1*z3)/(s34*z12*z34) - 
   (s12*z1*z3)/(2*s123*s34*z12*z34) + (s12*z1*z3)/(2*s124*s34*z12*z34) - 
   (s13*z1*z3)/(s12*s34*z12*z34) - (3*s13*z1*z3)/(4*s123*s34*z12*z34) + 
   (3*s13*z1*z3)/(4*s124*s34*z12*z34) - (s13^2*z1*z3)/
    (4*s12*s123*s34*z12*z34) + (s13^2*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (s14*z1*z3)/(s12*s34*z12*z34) - (3*s14*z1*z3)/(4*s123*s34*z12*z34) + 
   (3*s14*z1*z3)/(4*s124*s34*z12*z34) - (s13*s14*z1*z3)/
    (2*s12*s123*s34*z12*z34) + (s13*s14*z1*z3)/(2*s12*s124*s34*z12*z34) - 
   (s14^2*z1*z3)/(4*s12*s123*s34*z12*z34) + 
   (s14^2*z1*z3)/(4*s12*s124*s34*z12*z34) + (2*s23*z1*z3)/(s12*s34*z12*z34) + 
   (3*s23*z1*z3)/(4*s123*s34*z12*z34) + (5*s23*z1*z3)/(4*s124*s34*z12*z34) + 
   (2*s13*s23*z1*z3)/(s12^2*s34*z12*z34) + (2*s13*s23*z1*z3)/
    (s12*s123*s34*z12*z34) + (s13*s23*z1*z3)/(s12*s124*s34*z12*z34) + 
   (s13^2*s23*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (s23*z1*z3)/(2*s134*s34*z12*z34) + (s13*s23*z1*z3)/
    (4*s12*s134*s34*z12*z34) + (s14*s23*z1*z3)/(s12^2*s34*z12*z34) + 
   (3*s14*s23*z1*z3)/(2*s12*s123*s34*z12*z34) + 
   (3*s14*s23*z1*z3)/(2*s12*s124*s34*z12*z34) + (3*s13*s14*s23*z1*z3)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s14*s23*z1*z3)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s23*z1*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (2*s23^2*z1*z3)/(s12^2*s34*z12*z34) + (9*s23^2*z1*z3)/
    (4*s12*s123*s34*z12*z34) + (3*s23^2*z1*z3)/(4*s12*s124*s34*z12*z34) + 
   (2*s13*s23^2*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (s23^2*z1*z3)/(4*s12*s134*s34*z12*z34) + (3*s14*s23^2*z1*z3)/
    (2*s12^2*s123*s34*z12*z34) + (s14*s23^2*z1*z3)/
    (2*s12^2*s124*s34*z12*z34) + (s23^3*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (s23*z1*z3)/(2*s234*s34*z12*z34) + (s13*s23*z1*z3)/
    (4*s12*s234*s34*z12*z34) + (s14*s23*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (s23^2*z1*z3)/(4*s12*s234*s34*z12*z34) - 
   (s24*z1*z3)/(4*s123*s34*z12*z34) + (9*s24*z1*z3)/(4*s124*s34*z12*z34) + 
   (s13*s24*z1*z3)/(s12^2*s34*z12*z34) + (s13*s24*z1*z3)/
    (2*s12*s123*s34*z12*z34) + (5*s13*s24*z1*z3)/(2*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z1*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (s24*z1*z3)/(2*s134*s34*z12*z34) - (s13*s24*z1*z3)/
    (4*s12*s134*s34*z12*z34) + (3*s14*s24*z1*z3)/(s12*s124*s34*z12*z34) + 
   (s13*s14*s24*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (3*s13*s14*s24*z1*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (s14*s24*z1*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14^2*s24*z1*z3)/(s12^2*s124*s34*z12*z34) + 
   (2*s23*s24*z1*z3)/(s12^2*s34*z12*z34) + (5*s23*s24*z1*z3)/
    (2*s12*s123*s34*z12*z34) + (7*s23*s24*z1*z3)/(2*s12*s124*s34*z12*z34) + 
   (5*s13*s23*s24*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (3*s13*s23*s24*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s14*s23*s24*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (5*s14*s23*s24*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (2*s23^2*s24*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (s23^2*s24*z1*z3)/(s12^2*s124*s34*z12*z34) - 
   (s24*z1*z3)/(2*s234*s34*z12*z34) - (s13*s24*z1*z3)/
    (4*s12*s234*s34*z12*z34) - (s14*s24*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (s24^2*z1*z3)/(4*s12*s123*s34*z12*z34) + (11*s24^2*z1*z3)/
    (4*s12*s124*s34*z12*z34) + (s13*s24^2*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (3*s13*s24^2*z1*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (s24^2*z1*z3)/(4*s12*s134*s34*z12*z34) + (2*s14*s24^2*z1*z3)/
    (s12^2*s124*s34*z12*z34) + (s23*s24^2*z1*z3)/(s12^2*s123*s34*z12*z34) + 
   (2*s23*s24^2*z1*z3)/(s12^2*s124*s34*z12*z34) - 
   (s24^2*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (s24^3*z1*z3)/(s12^2*s124*s34*z12*z34) - (2*z1*z2*z3)/(s123*z12^2*z34) - 
   (2*z1*z2*z3)/(s124*z12^2*z34) - (3*s13*z1*z2*z3)/(s12*s123*z12^2*z34) - 
   (s13*z1*z2*z3)/(s12*s124*z12^2*z34) - (s13^2*z1*z2*z3)/
    (s12^2*s123*z12^2*z34) - (s14*z1*z2*z3)/(s12*s123*z12^2*z34) - 
   (3*s14*z1*z2*z3)/(s12*s124*z12^2*z34) - (s13*s14*z1*z2*z3)/
    (s12^2*s123*z12^2*z34) - (s13*s14*z1*z2*z3)/(s12^2*s124*z12^2*z34) - 
   (s14^2*z1*z2*z3)/(s12^2*s124*z12^2*z34) - (3*s23*z1*z2*z3)/
    (s12*s123*z12^2*z34) - (s23*z1*z2*z3)/(s12*s124*z12^2*z34) - 
   (2*s13*s23*z1*z2*z3)/(s12^2*s123*z12^2*z34) - 
   (s14*s23*z1*z2*z3)/(s12^2*s123*z12^2*z34) - 
   (s14*s23*z1*z2*z3)/(s12^2*s124*z12^2*z34) - 
   (s23^2*z1*z2*z3)/(s12^2*s123*z12^2*z34) - 
   (s24*z1*z2*z3)/(s12*s123*z12^2*z34) - (3*s24*z1*z2*z3)/
    (s12*s124*z12^2*z34) - (s13*s24*z1*z2*z3)/(s12^2*s123*z12^2*z34) - 
   (s13*s24*z1*z2*z3)/(s12^2*s124*z12^2*z34) - (2*s14*s24*z1*z2*z3)/
    (s12^2*s124*z12^2*z34) - (s23*s24*z1*z2*z3)/(s12^2*s123*z12^2*z34) - 
   (s23*s24*z1*z2*z3)/(s12^2*s124*z12^2*z34) - 
   (s24^2*z1*z2*z3)/(s12^2*s124*z12^2*z34) - (4*s12*z1*z2*z3)/
    (s34^2*z12^2*z34) - (10*s13*z1*z2*z3)/(s34^2*z12^2*z34) - 
   (8*s13^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (2*s13^3*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (6*s14*z1*z2*z3)/(s34^2*z12^2*z34) - 
   (10*s13*s14*z1*z2*z3)/(s12*s34^2*z12^2*z34) - 
   (4*s13^2*s14*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (2*s14^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (2*s13*s14^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (10*s23*z1*z2*z3)/(s34^2*z12^2*z34) - 
   (16*s13*s23*z1*z2*z3)/(s12*s34^2*z12^2*z34) - 
   (6*s13^2*s23*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (10*s14*s23*z1*z2*z3)/(s12*s34^2*z12^2*z34) - 
   (8*s13*s14*s23*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (2*s14^2*s23*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (8*s23^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (6*s13*s23^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (4*s14*s23^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s23^3*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (6*s24*z1*z2*z3)/(s34^2*z12^2*z34) - (10*s13*s24*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) - (4*s13^2*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (4*s14*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (4*s13*s14*s24*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (10*s23*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) - 
   (8*s13*s23*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (4*s14*s23*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (4*s23^2*s24*z1*z2*z3)/(s12^2*s34^2*z12^2*z34) - 
   (2*s24^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (2*s13*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (2*s23*s24^2*z1*z2*z3)/
    (s12^2*s34^2*z12^2*z34) - (4*z1*z2*z3)/(s34*z12^2*z34) - 
   (2*s12*z1*z2*z3)/(s123*s34*z12^2*z34) - (2*s12*z1*z2*z3)/
    (s124*s34*z12^2*z34) - (6*s13*z1*z2*z3)/(s12*s34*z12^2*z34) - 
   (5*s13*z1*z2*z3)/(s123*s34*z12^2*z34) - (3*s13*z1*z2*z3)/
    (s124*s34*z12^2*z34) - (2*s13^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (4*s13^2*z1*z2*z3)/(s12*s123*s34*z12^2*z34) - 
   (s13^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (s13^3*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s14*z1*z2*z3)/(s12*s34*z12^2*z34) - (3*s14*z1*z2*z3)/
    (s123*s34*z12^2*z34) - (5*s14*z1*z2*z3)/(s124*s34*z12^2*z34) - 
   (2*s13*s14*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (5*s13*s14*z1*z2*z3)/(s12*s123*s34*z12^2*z34) - 
   (5*s13*s14*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (2*s13^2*s14*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (s13^2*s14*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (s14^2*z1*z2*z3)/(s12*s123*s34*z12^2*z34) - 
   (4*s14^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (s13*s14^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s13*s14^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (s14^3*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (6*s23*z1*z2*z3)/(s12*s34*z12^2*z34) - (5*s23*z1*z2*z3)/
    (s123*s34*z12^2*z34) - (3*s23*z1*z2*z3)/(s124*s34*z12^2*z34) - 
   (4*s13*s23*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (8*s13*s23*z1*z2*z3)/(s12*s123*s34*z12^2*z34) - 
   (2*s13*s23*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (3*s13^2*s23*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s14*s23*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (5*s14*s23*z1*z2*z3)/(s12*s123*s34*z12^2*z34) - 
   (5*s14*s23*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (4*s13*s14*s23*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s13*s14*s23*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (s14^2*s23*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s14^2*s23*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s23^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) - (4*s23^2*z1*z2*z3)/
    (s12*s123*s34*z12^2*z34) - (s23^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (3*s13*s23^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s14*s23^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (s14*s23^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (s23^3*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s24*z1*z2*z3)/(s12*s34*z12^2*z34) - (3*s24*z1*z2*z3)/
    (s123*s34*z12^2*z34) - (5*s24*z1*z2*z3)/(s124*s34*z12^2*z34) - 
   (2*s13*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (5*s13*s24*z1*z2*z3)/(s12*s123*s34*z12^2*z34) - 
   (5*s13*s24*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (2*s13^2*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (s13^2*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s14*s24*z1*z2*z3)/(s12*s123*s34*z12^2*z34) - 
   (8*s14*s24*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (2*s13*s14*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (4*s13*s14*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (3*s14^2*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s23*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (5*s23*s24*z1*z2*z3)/(s12*s123*s34*z12^2*z34) - 
   (5*s23*s24*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (4*s13*s23*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s13*s23*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s14*s23*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (4*s14*s23*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s23^2*s24*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (s23^2*s24*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (s24^2*z1*z2*z3)/(s12*s123*s34*z12^2*z34) - 
   (4*s24^2*z1*z2*z3)/(s12*s124*s34*z12^2*z34) - 
   (s13*s24^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s13*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (3*s14*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (s23*s24^2*z1*z2*z3)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s23*s24^2*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - 
   (s24^3*z1*z2*z3)/(s12^2*s124*s34*z12^2*z34) - (z2*z3)/(s12*z12*z34) - 
   (z2*z3)/(2*s123*z12*z34) + (z2*z3)/(2*s124*z12*z34) + 
   (5*s13*z2*z3)/(4*s12*s123*z12*z34) + (3*s13*z2*z3)/(4*s12*s124*z12*z34) + 
   (s13^2*z2*z3)/(s12^2*s123*z12*z34) + (s14*z2*z3)/(4*s12*s123*z12*z34) + 
   (7*s14*z2*z3)/(4*s12*s124*z12*z34) + (s13*s14*z2*z3)/
    (s12^2*s123*z12*z34) + (s13*s14*z2*z3)/(s12^2*s124*z12*z34) + 
   (s14^2*z2*z3)/(s12^2*s124*z12*z34) - (s23*z2*z3)/(4*s12*s123*z12*z34) + 
   (s23*z2*z3)/(4*s12*s124*z12*z34) + (s13*s23*z2*z3)/(s12^2*s123*z12*z34) + 
   (s14*s23*z2*z3)/(2*s12^2*s123*z12*z34) + (s14*s23*z2*z3)/
    (2*s12^2*s124*z12*z34) - (s24*z2*z3)/(4*s12*s123*z12*z34) + 
   (s24*z2*z3)/(4*s12*s124*z12*z34) + (s13*s24*z2*z3)/
    (2*s12^2*s123*z12*z34) + (s13*s24*z2*z3)/(2*s12^2*s124*z12*z34) + 
   (s14*s24*z2*z3)/(s12^2*s124*z12*z34) + (3*s13*z2*z3)/(s34^2*z12*z34) + 
   (5*s13^2*z2*z3)/(s12*s34^2*z12*z34) + (2*s13^3*z2*z3)/
    (s12^2*s34^2*z12*z34) + (s12*s13*z2*z3)/(2*s134*s34^2*z12*z34) + 
   (3*s13^2*z2*z3)/(4*s134*s34^2*z12*z34) + 
   (s13^3*z2*z3)/(4*s12*s134*s34^2*z12*z34) + (s14*z2*z3)/(s34^2*z12*z34) + 
   (6*s13*s14*z2*z3)/(s12*s34^2*z12*z34) + (4*s13^2*s14*z2*z3)/
    (s12^2*s34^2*z12*z34) - (s12*s14*z2*z3)/(2*s134*s34^2*z12*z34) + 
   (s13^2*s14*z2*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s14^2*z2*z3)/(s12*s34^2*z12*z34) + (2*s13*s14^2*z2*z3)/
    (s12^2*s34^2*z12*z34) - (3*s14^2*z2*z3)/(4*s134*s34^2*z12*z34) - 
   (s13*s14^2*z2*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (s14^3*z2*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (5*s13*s23*z2*z3)/(s12*s34^2*z12*z34) + (4*s13^2*s23*z2*z3)/
    (s12^2*s34^2*z12*z34) + (3*s13*s23*z2*z3)/(4*s134*s34^2*z12*z34) + 
   (s13^2*s23*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (2*s14*s23*z2*z3)/(s12*s34^2*z12*z34) + (5*s13*s14*s23*z2*z3)/
    (s12^2*s34^2*z12*z34) - (3*s14*s23*z2*z3)/(4*s134*s34^2*z12*z34) + 
   (s14^2*s23*z2*z3)/(s12^2*s34^2*z12*z34) - (s14^2*s23*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) + (2*s13*s23^2*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s13*s23^2*z2*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s14*s23^2*z2*z3)/(s12^2*s34^2*z12*z34) - (s14*s23^2*z2*z3)/
    (4*s12*s134*s34^2*z12*z34) + (s12*s13*z2*z3)/(2*s234*s34^2*z12*z34) + 
   (3*s13^2*z2*z3)/(4*s234*s34^2*z12*z34) + 
   (s13^3*z2*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (s12*s14*z2*z3)/(2*s234*s34^2*z12*z34) + (s13^2*s14*z2*z3)/
    (4*s12*s234*s34^2*z12*z34) - (3*s14^2*z2*z3)/(4*s234*s34^2*z12*z34) - 
   (s13*s14^2*z2*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (s14^3*z2*z3)/(4*s12*s234*s34^2*z12*z34) + 
   (3*s13*s23*z2*z3)/(4*s234*s34^2*z12*z34) + 
   (s13^2*s23*z2*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (3*s14*s23*z2*z3)/(4*s234*s34^2*z12*z34) - 
   (s14^2*s23*z2*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*s23^2*z2*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (s14*s23^2*z2*z3)/(4*s12*s234*s34^2*z12*z34) + 
   (4*s13*s24*z2*z3)/(s12*s34^2*z12*z34) + (3*s13^2*s24*z2*z3)/
    (s12^2*s34^2*z12*z34) + (3*s13*s24*z2*z3)/(4*s134*s34^2*z12*z34) + 
   (s13^2*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s24*z2*z3)/(s12*s34^2*z12*z34) + (3*s13*s14*s24*z2*z3)/
    (s12^2*s34^2*z12*z34) - (3*s14*s24*z2*z3)/(4*s134*s34^2*z12*z34) - 
   (s14^2*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (3*s13*s23*s24*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s13*s23*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23*s24*z2*z3)/(s12^2*s34^2*z12*z34) - (s14*s23*s24*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) + (3*s13*s24*z2*z3)/(4*s234*s34^2*z12*z34) + 
   (s13^2*s24*z2*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (3*s14*s24*z2*z3)/(4*s234*s34^2*z12*z34) - 
   (s14^2*s24*z2*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*s23*s24*z2*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (s14*s23*s24*z2*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*s24^2*z2*z3)/(s12^2*s34^2*z12*z34) + (s13*s24^2*z2*z3)/
    (4*s12*s134*s34^2*z12*z34) - (s14*s24^2*z2*z3)/
    (4*s12*s134*s34^2*z12*z34) + (s13*s24^2*z2*z3)/
    (4*s12*s234*s34^2*z12*z34) - (s14*s24^2*z2*z3)/
    (4*s12*s234*s34^2*z12*z34) - (z2*z3)/(s34*z12*z34) - 
   (s12*z2*z3)/(2*s123*s34*z12*z34) + (s12*z2*z3)/(2*s124*s34*z12*z34) + 
   (2*s13*z2*z3)/(s12*s34*z12*z34) + (3*s13*z2*z3)/(4*s123*s34*z12*z34) + 
   (5*s13*z2*z3)/(4*s124*s34*z12*z34) + (2*s13^2*z2*z3)/(s12^2*s34*z12*z34) + 
   (9*s13^2*z2*z3)/(4*s12*s123*s34*z12*z34) + 
   (3*s13^2*z2*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13^3*z2*z3)/(s12^2*s123*s34*z12*z34) + 
   (s13*z2*z3)/(2*s134*s34*z12*z34) + (s13^2*z2*z3)/
    (4*s12*s134*s34*z12*z34) - (s14*z2*z3)/(4*s123*s34*z12*z34) + 
   (9*s14*z2*z3)/(4*s124*s34*z12*z34) + (2*s13*s14*z2*z3)/
    (s12^2*s34*z12*z34) + (5*s13*s14*z2*z3)/(2*s12*s123*s34*z12*z34) + 
   (7*s13*s14*z2*z3)/(2*s12*s124*s34*z12*z34) + 
   (2*s13^2*s14*z2*z3)/(s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (s14*z2*z3)/(2*s134*s34*z12*z34) + (s14^2*z2*z3)/
    (4*s12*s123*s34*z12*z34) + (11*s14^2*z2*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14^2*z2*z3)/(s12^2*s123*s34*z12*z34) + 
   (2*s13*s14^2*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (s14^2*z2*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14^3*z2*z3)/(s12^2*s124*s34*z12*z34) - (s23*z2*z3)/(s12*s34*z12*z34) - 
   (3*s23*z2*z3)/(4*s123*s34*z12*z34) + (3*s23*z2*z3)/(4*s124*s34*z12*z34) + 
   (2*s13*s23*z2*z3)/(s12^2*s34*z12*z34) + (2*s13*s23*z2*z3)/
    (s12*s123*s34*z12*z34) + (s13*s23*z2*z3)/(s12*s124*s34*z12*z34) + 
   (2*s13^2*s23*z2*z3)/(s12^2*s123*s34*z12*z34) + 
   (s13*s23*z2*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14*s23*z2*z3)/(s12^2*s34*z12*z34) + (s14*s23*z2*z3)/
    (2*s12*s123*s34*z12*z34) + (5*s14*s23*z2*z3)/(2*s12*s124*s34*z12*z34) + 
   (5*s13*s14*s23*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (3*s13*s14*s23*z2*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (s14*s23*z2*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (3*s14^2*s23*z2*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (s23^2*z2*z3)/(4*s12*s123*s34*z12*z34) + 
   (s23^2*z2*z3)/(4*s12*s124*s34*z12*z34) + (s13*s23^2*z2*z3)/
    (s12^2*s123*s34*z12*z34) + (s14*s23^2*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23^2*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s13*z2*z3)/(2*s234*s34*z12*z34) + (s13^2*z2*z3)/
    (4*s12*s234*s34*z12*z34) - (s14*z2*z3)/(2*s234*s34*z12*z34) - 
   (s14^2*z2*z3)/(4*s12*s234*s34*z12*z34) + (s13*s23*z2*z3)/
    (4*s12*s234*s34*z12*z34) - (s14*s23*z2*z3)/(4*s12*s234*s34*z12*z34) - 
   (s24*z2*z3)/(s12*s34*z12*z34) - (3*s24*z2*z3)/(4*s123*s34*z12*z34) + 
   (3*s24*z2*z3)/(4*s124*s34*z12*z34) + (s13*s24*z2*z3)/(s12^2*s34*z12*z34) + 
   (3*s13*s24*z2*z3)/(2*s12*s123*s34*z12*z34) + 
   (3*s13*s24*z2*z3)/(2*s12*s124*s34*z12*z34) + 
   (3*s13^2*s24*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s13*s24*z2*z3)/(4*s12*s134*s34*z12*z34) + 
   (3*s14*s24*z2*z3)/(s12*s124*s34*z12*z34) + (3*s13*s14*s24*z2*z3)/
    (2*s12^2*s123*s34*z12*z34) + (5*s13*s14*s24*z2*z3)/
    (2*s12^2*s124*s34*z12*z34) - (s14*s24*z2*z3)/(4*s12*s134*s34*z12*z34) + 
   (2*s14^2*s24*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (s23*s24*z2*z3)/(2*s12*s123*s34*z12*z34) + 
   (s23*s24*z2*z3)/(2*s12*s124*s34*z12*z34) + (3*s13*s23*s24*z2*z3)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s23*s24*z2*z3)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s23*s24*z2*z3)/
    (2*s12^2*s123*s34*z12*z34) + (3*s14*s23*s24*z2*z3)/
    (2*s12^2*s124*s34*z12*z34) + (s13*s24*z2*z3)/(4*s12*s234*s34*z12*z34) - 
   (s14*s24*z2*z3)/(4*s12*s234*s34*z12*z34) - 
   (s24^2*z2*z3)/(4*s12*s123*s34*z12*z34) + 
   (s24^2*z2*z3)/(4*s12*s124*s34*z12*z34) + (s13*s24^2*z2*z3)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s24^2*z2*z3)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s24^2*z2*z3)/(s12^2*s124*s34*z12*z34) - 
   (3*z3^2)/(2*s123*z12*z34) - z3^2/(2*s124*z12*z34) - 
   (s13*z3^2)/(s12*s123*z12*z34) - (s14*z3^2)/(2*s12*s123*z12*z34) - 
   (s14*z3^2)/(2*s12*s124*z12*z34) - (s23*z3^2)/(s12*s123*z12*z34) - 
   (s24*z3^2)/(2*s12*s123*z12*z34) - (s24*z3^2)/(2*s12*s124*z12*z34) - 
   (3*s12*z3^2)/(s34^2*z12*z34) - (5*s13*z3^2)/(s34^2*z12*z34) - 
   (2*s13^2*z3^2)/(s12*s34^2*z12*z34) - (s12^2*z3^2)/(2*s134*s34^2*z12*z34) - 
   (3*s12*s13*z3^2)/(4*s134*s34^2*z12*z34) - 
   (s13^2*z3^2)/(4*s134*s34^2*z12*z34) - (4*s14*z3^2)/(s34^2*z12*z34) - 
   (3*s13*s14*z3^2)/(s12*s34^2*z12*z34) - (3*s12*s14*z3^2)/
    (4*s134*s34^2*z12*z34) - (s13*s14*z3^2)/(2*s134*s34^2*z12*z34) - 
   (s14^2*z3^2)/(s12*s34^2*z12*z34) - (s14^2*z3^2)/(4*s134*s34^2*z12*z34) - 
   (5*s23*z3^2)/(s34^2*z12*z34) - (4*s13*s23*z3^2)/(s12*s34^2*z12*z34) - 
   (3*s12*s23*z3^2)/(4*s134*s34^2*z12*z34) - 
   (s13*s23*z3^2)/(2*s134*s34^2*z12*z34) - (3*s14*s23*z3^2)/
    (s12*s34^2*z12*z34) - (s14*s23*z3^2)/(2*s134*s34^2*z12*z34) - 
   (2*s23^2*z3^2)/(s12*s34^2*z12*z34) - (s23^2*z3^2)/(4*s134*s34^2*z12*z34) - 
   (s12^2*z3^2)/(2*s234*s34^2*z12*z34) - (3*s12*s13*z3^2)/
    (4*s234*s34^2*z12*z34) - (s13^2*z3^2)/(4*s234*s34^2*z12*z34) - 
   (3*s12*s14*z3^2)/(4*s234*s34^2*z12*z34) - 
   (s13*s14*z3^2)/(2*s234*s34^2*z12*z34) - 
   (s14^2*z3^2)/(4*s234*s34^2*z12*z34) - (3*s12*s23*z3^2)/
    (4*s234*s34^2*z12*z34) - (s13*s23*z3^2)/(2*s234*s34^2*z12*z34) - 
   (s14*s23*z3^2)/(2*s234*s34^2*z12*z34) - 
   (s23^2*z3^2)/(4*s234*s34^2*z12*z34) - (4*s24*z3^2)/(s34^2*z12*z34) - 
   (3*s13*s24*z3^2)/(s12*s34^2*z12*z34) - (3*s12*s24*z3^2)/
    (4*s134*s34^2*z12*z34) - (s13*s24*z3^2)/(2*s134*s34^2*z12*z34) - 
   (2*s14*s24*z3^2)/(s12*s34^2*z12*z34) - (s14*s24*z3^2)/
    (2*s134*s34^2*z12*z34) - (3*s23*s24*z3^2)/(s12*s34^2*z12*z34) - 
   (s23*s24*z3^2)/(2*s134*s34^2*z12*z34) - (3*s12*s24*z3^2)/
    (4*s234*s34^2*z12*z34) - (s13*s24*z3^2)/(2*s234*s34^2*z12*z34) - 
   (s14*s24*z3^2)/(2*s234*s34^2*z12*z34) - 
   (s23*s24*z3^2)/(2*s234*s34^2*z12*z34) - (s24^2*z3^2)/(s12*s34^2*z12*z34) - 
   (s24^2*z3^2)/(4*s134*s34^2*z12*z34) - 
   (s24^2*z3^2)/(4*s234*s34^2*z12*z34) - (3*z3^2)/(s34*z12*z34) - 
   (3*s12*z3^2)/(2*s123*s34*z12*z34) - (s12*z3^2)/(2*s124*s34*z12*z34) - 
   (2*s13*z3^2)/(s12*s34*z12*z34) - (5*s13*z3^2)/(2*s123*s34*z12*z34) - 
   (s13*z3^2)/(2*s124*s34*z12*z34) - (s13^2*z3^2)/(s12*s123*s34*z12*z34) - 
   (s12*z3^2)/(2*s134*s34*z12*z34) - (s13*z3^2)/(4*s134*s34*z12*z34) - 
   (s14*z3^2)/(s12*s34*z12*z34) - (2*s14*z3^2)/(s123*s34*z12*z34) - 
   (s14*z3^2)/(s124*s34*z12*z34) - (3*s13*s14*z3^2)/
    (2*s12*s123*s34*z12*z34) - (s13*s14*z3^2)/(2*s12*s124*s34*z12*z34) - 
   (s14*z3^2)/(4*s134*s34*z12*z34) - (s14^2*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s14^2*z3^2)/(2*s12*s124*s34*z12*z34) - (2*s23*z3^2)/(s12*s34*z12*z34) - 
   (5*s23*z3^2)/(2*s123*s34*z12*z34) - (s23*z3^2)/(2*s124*s34*z12*z34) - 
   (2*s13*s23*z3^2)/(s12*s123*s34*z12*z34) - 
   (s23*z3^2)/(4*s134*s34*z12*z34) - (3*s14*s23*z3^2)/
    (2*s12*s123*s34*z12*z34) - (s14*s23*z3^2)/(2*s12*s124*s34*z12*z34) - 
   (s23^2*z3^2)/(s12*s123*s34*z12*z34) - (s12*z3^2)/(2*s234*s34*z12*z34) - 
   (s13*z3^2)/(4*s234*s34*z12*z34) - (s14*z3^2)/(4*s234*s34*z12*z34) - 
   (s23*z3^2)/(4*s234*s34*z12*z34) - (s24*z3^2)/(s12*s34*z12*z34) - 
   (2*s24*z3^2)/(s123*s34*z12*z34) - (s24*z3^2)/(s124*s34*z12*z34) - 
   (3*s13*s24*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s13*s24*z3^2)/(2*s12*s124*s34*z12*z34) - 
   (s24*z3^2)/(4*s134*s34*z12*z34) - (s14*s24*z3^2)/(s12*s123*s34*z12*z34) - 
   (s14*s24*z3^2)/(s12*s124*s34*z12*z34) - (3*s23*s24*z3^2)/
    (2*s12*s123*s34*z12*z34) - (s23*s24*z3^2)/(2*s12*s124*s34*z12*z34) - 
   (s24*z3^2)/(4*s234*s34*z12*z34) - (s24^2*z3^2)/(2*s12*s123*s34*z12*z34) - 
   (s24^2*z3^2)/(2*s12*s124*s34*z12*z34) + (2*z4)/(s123*z12) + 
   (3*z4)/(s124*z12) + (2*s12*z4)/(s123*s124*z12) + 
   (3*s13*z4)/(2*s12*s123*z12) + (3*s13*z4)/(2*s12*s124*z12) + 
   (4*s13*z4)/(s123*s124*z12) + (2*s13^2*z4)/(s12*s123*s124*z12) + 
   (s12*z4)/(s123*s134*z12) - (s12*z4)/(2*s124*s134*z12) + 
   (s13*z4)/(s123*s134*z12) + (3*s14*z4)/(s12*s124*z12) + 
   (2*s14*z4)/(s123*s124*z12) + (2*s13*s14*z4)/(s12*s123*s124*z12) - 
   (s14*z4)/(2*s124*s134*z12) + (3*s23*z4)/(2*s12*s123*z12) + 
   (3*s23*z4)/(2*s12*s124*z12) + (4*s23*z4)/(s123*s124*z12) + 
   (4*s13*s23*z4)/(s12*s123*s124*z12) + (s23*z4)/(s123*s134*z12) + 
   (2*s14*s23*z4)/(s12*s123*s124*z12) + (2*s23^2*z4)/(s12*s123*s124*z12) - 
   (s12*z4)/(2*s123*s234*z12) + (s12*z4)/(s124*s234*z12) - 
   (s13*z4)/(2*s123*s234*z12) + (s14*z4)/(s124*s234*z12) - 
   (s23*z4)/(2*s123*s234*z12) + (3*s24*z4)/(s12*s124*z12) + 
   (2*s24*z4)/(s123*s124*z12) + (2*s13*s24*z4)/(s12*s123*s124*z12) - 
   (s24*z4)/(2*s124*s134*z12) + (2*s23*s24*z4)/(s12*s123*s124*z12) + 
   (s24*z4)/(s124*s234*z12) + (3*s12*z4)/(s34^2*z12) + 
   (6*s13*z4)/(s34^2*z12) + (3*s13^2*z4)/(s12*s34^2*z12) + 
   (s12^2*z4)/(2*s134*s34^2*z12) + (5*s12*s13*z4)/(4*s134*s34^2*z12) + 
   (3*s13^2*z4)/(4*s134*s34^2*z12) + (5*s14*z4)/(s34^2*z12) + 
   (5*s13*s14*z4)/(s12*s34^2*z12) + (3*s12*s14*z4)/(4*s134*s34^2*z12) + 
   (s13*s14*z4)/(s134*s34^2*z12) + (2*s14^2*z4)/(s12*s34^2*z12) + 
   (s14^2*z4)/(4*s134*s34^2*z12) + (6*s23*z4)/(s34^2*z12) + 
   (6*s13*s23*z4)/(s12*s34^2*z12) + (5*s12*s23*z4)/(4*s134*s34^2*z12) + 
   (3*s13*s23*z4)/(2*s134*s34^2*z12) + (5*s14*s23*z4)/(s12*s34^2*z12) + 
   (s14*s23*z4)/(s134*s34^2*z12) + (3*s23^2*z4)/(s12*s34^2*z12) + 
   (3*s23^2*z4)/(4*s134*s34^2*z12) + (s12^2*z4)/(2*s234*s34^2*z12) + 
   (5*s12*s13*z4)/(4*s234*s34^2*z12) + (3*s13^2*z4)/(4*s234*s34^2*z12) + 
   (3*s12*s14*z4)/(4*s234*s34^2*z12) + (s13*s14*z4)/(s234*s34^2*z12) + 
   (s14^2*z4)/(4*s234*s34^2*z12) + (5*s12*s23*z4)/(4*s234*s34^2*z12) + 
   (3*s13*s23*z4)/(2*s234*s34^2*z12) + (s14*s23*z4)/(s234*s34^2*z12) + 
   (3*s23^2*z4)/(4*s234*s34^2*z12) + (5*s24*z4)/(s34^2*z12) + 
   (5*s13*s24*z4)/(s12*s34^2*z12) + (3*s12*s24*z4)/(4*s134*s34^2*z12) + 
   (s13*s24*z4)/(s134*s34^2*z12) + (4*s14*s24*z4)/(s12*s34^2*z12) + 
   (s14*s24*z4)/(2*s134*s34^2*z12) + (5*s23*s24*z4)/(s12*s34^2*z12) + 
   (s23*s24*z4)/(s134*s34^2*z12) + (3*s12*s24*z4)/(4*s234*s34^2*z12) + 
   (s13*s24*z4)/(s234*s34^2*z12) + (s14*s24*z4)/(2*s234*s34^2*z12) + 
   (s23*s24*z4)/(s234*s34^2*z12) + (2*s24^2*z4)/(s12*s34^2*z12) + 
   (s24^2*z4)/(4*s134*s34^2*z12) + (s24^2*z4)/(4*s234*s34^2*z12) + 
   (3*z4)/(s34*z12) + (2*s12*z4)/(s123*s34*z12) + (3*s12*z4)/(s124*s34*z12) + 
   (3*s13*z4)/(s12*s34*z12) + (7*s13*z4)/(2*s123*s34*z12) + 
   (9*s13*z4)/(2*s124*s34*z12) + (3*s13^2*z4)/(2*s12*s123*s34*z12) + 
   (3*s13^2*z4)/(2*s12*s124*s34*z12) + (s12*z4)/(2*s134*s34*z12) + 
   (s12^2*z4)/(s123*s134*s34*z12) - (s12^2*z4)/(2*s124*s134*s34*z12) + 
   (3*s13*z4)/(4*s134*s34*z12) + (2*s12*s13*z4)/(s123*s134*s34*z12) - 
   (s12*s13*z4)/(2*s124*s134*s34*z12) + (s13^2*z4)/(s123*s134*s34*z12) + 
   (2*s14*z4)/(s12*s34*z12) + (2*s14*z4)/(s123*s34*z12) + 
   (6*s14*z4)/(s124*s34*z12) + (3*s13*s14*z4)/(2*s12*s123*s34*z12) + 
   (9*s13*s14*z4)/(2*s12*s124*s34*z12) + (s14*z4)/(4*s134*s34*z12) + 
   (s12*s14*z4)/(s123*s134*s34*z12) - (s12*s14*z4)/(s124*s134*s34*z12) + 
   (s13*s14*z4)/(s123*s134*s34*z12) - (s13*s14*z4)/(2*s124*s134*s34*z12) + 
   (3*s14^2*z4)/(s12*s124*s34*z12) - (s14^2*z4)/(2*s124*s134*s34*z12) + 
   (3*s23*z4)/(s12*s34*z12) + (7*s23*z4)/(2*s123*s34*z12) + 
   (9*s23*z4)/(2*s124*s34*z12) + (3*s13*s23*z4)/(s12*s123*s34*z12) + 
   (3*s13*s23*z4)/(s12*s124*s34*z12) + (3*s23*z4)/(4*s134*s34*z12) + 
   (2*s12*s23*z4)/(s123*s134*s34*z12) - (s12*s23*z4)/(2*s124*s134*s34*z12) + 
   (2*s13*s23*z4)/(s123*s134*s34*z12) + (3*s14*s23*z4)/(2*s12*s123*s34*z12) + 
   (9*s14*s23*z4)/(2*s12*s124*s34*z12) + (s14*s23*z4)/(s123*s134*s34*z12) - 
   (s14*s23*z4)/(2*s124*s134*s34*z12) + (3*s23^2*z4)/(2*s12*s123*s34*z12) + 
   (3*s23^2*z4)/(2*s12*s124*s34*z12) + (s23^2*z4)/(s123*s134*s34*z12) + 
   (s12*z4)/(2*s234*s34*z12) - (s12^2*z4)/(2*s123*s234*s34*z12) + 
   (s12^2*z4)/(s124*s234*s34*z12) + (3*s13*z4)/(4*s234*s34*z12) - 
   (s12*s13*z4)/(s123*s234*s34*z12) + (s12*s13*z4)/(s124*s234*s34*z12) - 
   (s13^2*z4)/(2*s123*s234*s34*z12) + (s14*z4)/(4*s234*s34*z12) - 
   (s12*s14*z4)/(2*s123*s234*s34*z12) + (2*s12*s14*z4)/(s124*s234*s34*z12) - 
   (s13*s14*z4)/(2*s123*s234*s34*z12) + (s13*s14*z4)/(s124*s234*s34*z12) + 
   (s14^2*z4)/(s124*s234*s34*z12) + (3*s23*z4)/(4*s234*s34*z12) - 
   (s12*s23*z4)/(s123*s234*s34*z12) + (s12*s23*z4)/(s124*s234*s34*z12) - 
   (s13*s23*z4)/(s123*s234*s34*z12) - (s14*s23*z4)/(2*s123*s234*s34*z12) + 
   (s14*s23*z4)/(s124*s234*s34*z12) - (s23^2*z4)/(2*s123*s234*s34*z12) + 
   (2*s24*z4)/(s12*s34*z12) + (2*s24*z4)/(s123*s34*z12) + 
   (6*s24*z4)/(s124*s34*z12) + (3*s13*s24*z4)/(2*s12*s123*s34*z12) + 
   (9*s13*s24*z4)/(2*s12*s124*s34*z12) + (s24*z4)/(4*s134*s34*z12) + 
   (s12*s24*z4)/(s123*s134*s34*z12) - (s12*s24*z4)/(s124*s134*s34*z12) + 
   (s13*s24*z4)/(s123*s134*s34*z12) - (s13*s24*z4)/(2*s124*s134*s34*z12) + 
   (6*s14*s24*z4)/(s12*s124*s34*z12) - (s14*s24*z4)/(s124*s134*s34*z12) + 
   (3*s23*s24*z4)/(2*s12*s123*s34*z12) + (9*s23*s24*z4)/
    (2*s12*s124*s34*z12) + (s23*s24*z4)/(s123*s134*s34*z12) - 
   (s23*s24*z4)/(2*s124*s134*s34*z12) + (s24*z4)/(4*s234*s34*z12) - 
   (s12*s24*z4)/(2*s123*s234*s34*z12) + (2*s12*s24*z4)/(s124*s234*s34*z12) - 
   (s13*s24*z4)/(2*s123*s234*s34*z12) + (s13*s24*z4)/(s124*s234*s34*z12) + 
   (2*s14*s24*z4)/(s124*s234*s34*z12) - (s23*s24*z4)/(2*s123*s234*s34*z12) + 
   (s23*s24*z4)/(s124*s234*s34*z12) + (3*s24^2*z4)/(s12*s124*s34*z12) - 
   (s24^2*z4)/(2*s124*s134*s34*z12) + (s24^2*z4)/(s124*s234*s34*z12) + 
   (2*s34*z4)/(s123*s124*z12) + (2*s13*s34*z4)/(s12*s123*s124*z12) + 
   (2*s23*s34*z4)/(s12*s123*s124*z12) + (2*z3*z4)/(s12*z34^2) + 
   (2*z3*z4)/(s134*z34^2) + (2*z3*z4)/(s234*z34^2) + 
   (4*s13*z3*z4)/(s34^2*z34^2) + (4*s13^2*z3*z4)/(s12*s34^2*z34^2) + 
   (2*s12*s13*z3*z4)/(s134*s34^2*z34^2) + (2*s13^2*z3*z4)/
    (s134*s34^2*z34^2) + (4*s14*z3*z4)/(s34^2*z34^2) + 
   (8*s13*s14*z3*z4)/(s12*s34^2*z34^2) + (2*s12*s14*z3*z4)/
    (s134*s34^2*z34^2) + (4*s13*s14*z3*z4)/(s134*s34^2*z34^2) + 
   (4*s14^2*z3*z4)/(s12*s34^2*z34^2) + (2*s14^2*z3*z4)/(s134*s34^2*z34^2) + 
   (4*s23*z3*z4)/(s34^2*z34^2) + (10*s13*s23*z3*z4)/(s12*s34^2*z34^2) + 
   (2*s13^2*s23*z3*z4)/(s12^2*s34^2*z34^2) + (2*s13*s23*z3*z4)/
    (s134*s34^2*z34^2) + (10*s14*s23*z3*z4)/(s12*s34^2*z34^2) + 
   (4*s13*s14*s23*z3*z4)/(s12^2*s34^2*z34^2) + 
   (2*s14*s23*z3*z4)/(s134*s34^2*z34^2) + (2*s14^2*s23*z3*z4)/
    (s12^2*s34^2*z34^2) + (4*s23^2*z3*z4)/(s12*s34^2*z34^2) + 
   (2*s13*s23^2*z3*z4)/(s12^2*s34^2*z34^2) + (2*s14*s23^2*z3*z4)/
    (s12^2*s34^2*z34^2) + (2*s12*s23*z3*z4)/(s234*s34^2*z34^2) + 
   (2*s13*s23*z3*z4)/(s234*s34^2*z34^2) + (2*s14*s23*z3*z4)/
    (s234*s34^2*z34^2) + (2*s23^2*z3*z4)/(s234*s34^2*z34^2) + 
   (4*s24*z3*z4)/(s34^2*z34^2) + (10*s13*s24*z3*z4)/(s12*s34^2*z34^2) + 
   (2*s13^2*s24*z3*z4)/(s12^2*s34^2*z34^2) + (2*s13*s24*z3*z4)/
    (s134*s34^2*z34^2) + (10*s14*s24*z3*z4)/(s12*s34^2*z34^2) + 
   (4*s13*s14*s24*z3*z4)/(s12^2*s34^2*z34^2) + 
   (2*s14*s24*z3*z4)/(s134*s34^2*z34^2) + (2*s14^2*s24*z3*z4)/
    (s12^2*s34^2*z34^2) + (8*s23*s24*z3*z4)/(s12*s34^2*z34^2) + 
   (4*s13*s23*s24*z3*z4)/(s12^2*s34^2*z34^2) + (4*s14*s23*s24*z3*z4)/
    (s12^2*s34^2*z34^2) + (2*s12*s24*z3*z4)/(s234*s34^2*z34^2) + 
   (2*s13*s24*z3*z4)/(s234*s34^2*z34^2) + (2*s14*s24*z3*z4)/
    (s234*s34^2*z34^2) + (4*s23*s24*z3*z4)/(s234*s34^2*z34^2) + 
   (4*s24^2*z3*z4)/(s12*s34^2*z34^2) + (2*s13*s24^2*z3*z4)/
    (s12^2*s34^2*z34^2) + (2*s14*s24^2*z3*z4)/(s12^2*s34^2*z34^2) + 
   (2*s24^2*z3*z4)/(s234*s34^2*z34^2) + (2*z3*z4)/(s34*z34^2) + 
   (6*s13*z3*z4)/(s12*s34*z34^2) + (2*s12*z3*z4)/(s134*s34*z34^2) + 
   (4*s13*z3*z4)/(s134*s34*z34^2) + (6*s14*z3*z4)/(s12*s34*z34^2) + 
   (4*s14*z3*z4)/(s134*s34*z34^2) + (6*s23*z3*z4)/(s12*s34*z34^2) + 
   (2*s13*s23*z3*z4)/(s12^2*s34*z34^2) + (2*s23*z3*z4)/(s134*s34*z34^2) + 
   (2*s14*s23*z3*z4)/(s12^2*s34*z34^2) + (2*s12*z3*z4)/(s234*s34*z34^2) + 
   (2*s13*z3*z4)/(s234*s34*z34^2) + (2*s14*z3*z4)/(s234*s34*z34^2) + 
   (4*s23*z3*z4)/(s234*s34*z34^2) + (6*s24*z3*z4)/(s12*s34*z34^2) + 
   (2*s13*s24*z3*z4)/(s12^2*s34*z34^2) + (2*s24*z3*z4)/(s134*s34*z34^2) + 
   (2*s14*s24*z3*z4)/(s12^2*s34*z34^2) + (4*s24*z3*z4)/(s234*s34*z34^2) - 
   (4*s23*z1*z3*z4)/(s34^2*z12*z34^2) - (6*s13*s23*z1*z3*z4)/
    (s12*s34^2*z12*z34^2) - (2*s13^2*s23*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s14*s23*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13*s14*s23*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14^2*s23*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (6*s23^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (4*s13*s23^2*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s14*s23^2*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s23^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s24*z1*z3*z4)/(s34^2*z12*z34^2) - (6*s13*s24*z1*z3*z4)/
    (s12*s34^2*z12*z34^2) - (2*s13^2*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s14*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13*s14*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14^2*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (12*s23*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (8*s13*s23*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (8*s14*s23*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s23^2*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s24^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (4*s14*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (6*s23*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s24^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s23*z1*z3*z4)/(s12*s34*z12*z34^2) - (2*s13*s23*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) - (2*s14*s23*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s23^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (4*s24*z1*z3*z4)/(s12*s34*z12*z34^2) - (2*s13*s24*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) - (2*s14*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (4*s23*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s24^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + (8*s12*z1*z2*z3*z4)/
    (s34^2*z12^2*z34^2) + (16*s13*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) + 
   (10*s13^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (2*s13^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (16*s14*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) + (20*s13*s14*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) + (6*s13^2*s14*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (10*s14^2*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) + (6*s13*s14^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (2*s14^3*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (16*s23*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) + 
   (20*s13*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (20*s14*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (12*s13*s14*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s14^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (10*s23^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) + 
   (6*s13*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (6*s14*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (2*s23^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) + 
   (16*s24*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) + (20*s13*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) + (6*s13^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (20*s14*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) + (12*s13*s14*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (6*s14^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (20*s23*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) + (12*s13*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (12*s14*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (6*s23^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (10*s24^2*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) + (6*s13*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (6*s14*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (6*s23*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (2*s24^3*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) + (8*z1*z2*z3*z4)/(s34*z12^2*z34^2) + 
   (8*s13*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + (2*s13^2*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (8*s14*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + 
   (4*s13*s14*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (2*s14^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (8*s23*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + (4*s13*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (4*s14*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (2*s23^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (8*s24*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) + (4*s13*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (4*s14*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (4*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) + (2*s24^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (4*s13*z2*z3*z4)/(s34^2*z12*z34^2) - (6*s13^2*z2*z3*z4)/
    (s12*s34^2*z12*z34^2) - (2*s13^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s14*z2*z3*z4)/(s34^2*z12*z34^2) - (12*s13*s14*z2*z3*z4)/
    (s12*s34^2*z12*z34^2) - (6*s13^2*s14*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s14^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (6*s13*s14^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (2*s14^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s13*s23*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13^2*s23*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (6*s14*s23*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (8*s13*s14*s23*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s14^2*s23*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s13*s23^2*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s14*s23^2*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (6*s13*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (4*s13^2*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) - (6*s14*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (8*s13*s14*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s14^2*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s13*s23*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s14*s23*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s13*s24^2*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (2*s14*s24^2*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) - 
   (4*s13*z2*z3*z4)/(s12*s34*z12*z34^2) - (2*s13^2*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) - (4*s14*z2*z3*z4)/(s12*s34*z12*z34^2) - 
   (4*s13*s14*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s14^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) - (2*s13*s23*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) - (2*s14*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s13*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (2*s14*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (4*s12*z3^2*z4)/(s34^2*z12*z34^2) + (6*s13*z3^2*z4)/(s34^2*z12*z34^2) + 
   (2*s13^2*z3^2*z4)/(s12*s34^2*z12*z34^2) + 
   (6*s14*z3^2*z4)/(s34^2*z12*z34^2) + (4*s13*s14*z3^2*z4)/
    (s12*s34^2*z12*z34^2) + (2*s14^2*z3^2*z4)/(s12*s34^2*z12*z34^2) + 
   (6*s23*z3^2*z4)/(s34^2*z12*z34^2) + (4*s13*s23*z3^2*z4)/
    (s12*s34^2*z12*z34^2) + (4*s14*s23*z3^2*z4)/(s12*s34^2*z12*z34^2) + 
   (2*s23^2*z3^2*z4)/(s12*s34^2*z12*z34^2) + 
   (6*s24*z3^2*z4)/(s34^2*z12*z34^2) + (4*s13*s24*z3^2*z4)/
    (s12*s34^2*z12*z34^2) + (4*s14*s24*z3^2*z4)/(s12*s34^2*z12*z34^2) + 
   (4*s23*s24*z3^2*z4)/(s12*s34^2*z12*z34^2) + 
   (2*s24^2*z3^2*z4)/(s12*s34^2*z12*z34^2) + (4*z3^2*z4)/(s34*z12*z34^2) + 
   (2*s13*z3^2*z4)/(s12*s34*z12*z34^2) + (2*s14*z3^2*z4)/
    (s12*s34*z12*z34^2) + (2*s23*z3^2*z4)/(s12*s34*z12*z34^2) + 
   (2*s24*z3^2*z4)/(s12*s34*z12*z34^2) + z4/(s12*z34) + z4/(2*s123*z34) - 
   z4/(2*s124*z34) - (s13*z4)/(4*s12*s123*z34) - 
   (7*s13*z4)/(4*s12*s124*z34) + (s12*z4)/(s124*s134*z34) + 
   (2*s13*z4)/(s124*s134*z34) + (3*s14*z4)/(4*s12*s123*z34) - 
   (7*s14*z4)/(4*s12*s124*z34) + (2*s14*z4)/(s124*s134*z34) - 
   (s23*z4)/(4*s12*s123*z34) - (7*s23*z4)/(4*s12*s124*z34) - 
   (s13*s23*z4)/(s12^2*s123*z34) + (s23*z4)/(s124*s134*z34) - 
   (s14*s23*z4)/(2*s12^2*s123*z34) - (s14*s23*z4)/(2*s12^2*s124*z34) - 
   (2*s12*z4)/(s124*s234*z34) - (2*s13*z4)/(s124*s234*z34) - 
   (2*s14*z4)/(s124*s234*z34) - (4*s23*z4)/(s124*s234*z34) + 
   (3*s24*z4)/(4*s12*s123*z34) - (7*s24*z4)/(4*s12*s124*z34) - 
   (s13*s24*z4)/(2*s12^2*s123*z34) - (s13*s24*z4)/(2*s12^2*s124*z34) + 
   (s24*z4)/(s124*s134*z34) - (s14*s24*z4)/(s12^2*s124*z34) - 
   (4*s24*z4)/(s124*s234*z34) - (3*s13*z4)/(s34^2*z34) - 
   (3*s13^2*z4)/(s12*s34^2*z34) - (3*s12*s13*z4)/(2*s134*s34^2*z34) - 
   (3*s13^2*z4)/(2*s134*s34^2*z34) - (s14*z4)/(s34^2*z34) - 
   (4*s13*s14*z4)/(s12*s34^2*z34) - (s12*s14*z4)/(2*s134*s34^2*z34) - 
   (2*s13*s14*z4)/(s134*s34^2*z34) - (s14^2*z4)/(s12*s34^2*z34) - 
   (s14^2*z4)/(2*s134*s34^2*z34) - (3*s23*z4)/(s34^2*z34) - 
   (6*s13*s23*z4)/(s12*s34^2*z34) - (s13*s23*z4)/(s134*s34^2*z34) + 
   (s13^2*s23*z4)/(2*s12*s134*s34^2*z34) - (5*s14*s23*z4)/(s12*s34^2*z34) - 
   (s13*s14*s23*z4)/(s12^2*s34^2*z34) + (s13*s14*s23*z4)/
    (s12*s134*s34^2*z34) - (s14^2*s23*z4)/(s12^2*s34^2*z34) + 
   (s14^2*s23*z4)/(2*s12*s134*s34^2*z34) - (3*s23^2*z4)/(s12*s34^2*z34) + 
   (s13*s23^2*z4)/(2*s12*s134*s34^2*z34) - (s14*s23^2*z4)/(s12^2*s34^2*z34) + 
   (s14*s23^2*z4)/(2*s12*s134*s34^2*z34) - 
   (3*s12*s23*z4)/(2*s234*s34^2*z34) - (s13*s23*z4)/(s234*s34^2*z34) + 
   (s13^2*s23*z4)/(2*s12*s234*s34^2*z34) - (2*s14*s23*z4)/(s234*s34^2*z34) - 
   (s14^2*s23*z4)/(2*s12*s234*s34^2*z34) - (3*s23^2*z4)/(2*s234*s34^2*z34) + 
   (s13*s23^2*z4)/(2*s12*s234*s34^2*z34) - 
   (s14*s23^2*z4)/(2*s12*s234*s34^2*z34) - (s24*z4)/(s34^2*z34) - 
   (5*s13*s24*z4)/(s12*s34^2*z34) - (s13^2*s24*z4)/(s12^2*s34^2*z34) - 
   (2*s13*s24*z4)/(s134*s34^2*z34) - (s13^2*s24*z4)/(2*s12*s134*s34^2*z34) - 
   (4*s14*s24*z4)/(s12*s34^2*z34) - (3*s13*s14*s24*z4)/(s12^2*s34^2*z34) - 
   (s14*s24*z4)/(s134*s34^2*z34) - (s13*s14*s24*z4)/(s12*s134*s34^2*z34) - 
   (2*s14^2*s24*z4)/(s12^2*s34^2*z34) - (s14^2*s24*z4)/
    (2*s12*s134*s34^2*z34) - (4*s23*s24*z4)/(s12*s34^2*z34) - 
   (s13*s23*s24*z4)/(s12^2*s34^2*z34) - (3*s14*s23*s24*z4)/
    (s12^2*s34^2*z34) - (s12*s24*z4)/(2*s234*s34^2*z34) + 
   (s13^2*s24*z4)/(2*s12*s234*s34^2*z34) - (s14*s24*z4)/(s234*s34^2*z34) - 
   (s14^2*s24*z4)/(2*s12*s234*s34^2*z34) - (2*s23*s24*z4)/(s234*s34^2*z34) + 
   (s13*s23*s24*z4)/(s12*s234*s34^2*z34) - (s14*s23*s24*z4)/
    (s12*s234*s34^2*z34) - (s24^2*z4)/(s12*s34^2*z34) - 
   (s13*s24^2*z4)/(s12^2*s34^2*z34) - (s13*s24^2*z4)/(2*s12*s134*s34^2*z34) - 
   (2*s14*s24^2*z4)/(s12^2*s34^2*z34) - (s14*s24^2*z4)/
    (2*s12*s134*s34^2*z34) - (s24^2*z4)/(2*s234*s34^2*z34) + 
   (s13*s24^2*z4)/(2*s12*s234*s34^2*z34) - 
   (s14*s24^2*z4)/(2*s12*s234*s34^2*z34) + z4/(s34*z34) - 
   (2*s13*z4)/(s12*s34*z34) - (3*s13*z4)/(4*s123*s34*z34) - 
   (5*s13*z4)/(4*s124*s34*z34) - (3*s13^2*z4)/(4*s12*s123*s34*z34) - 
   (5*s13^2*z4)/(4*s12*s124*s34*z34) - (3*s13*z4)/(2*s134*s34*z34) + 
   (s12*s13*z4)/(s124*s134*s34*z34) + (s13^2*z4)/(s124*s134*s34*z34) + 
   (s14*z4)/(4*s123*s34*z34) - (5*s14*z4)/(4*s124*s34*z34) - 
   (s13*s14*z4)/(2*s12*s123*s34*z34) - (5*s13*s14*z4)/(2*s12*s124*s34*z34) - 
   (s14*z4)/(2*s134*s34*z34) + (s12*s14*z4)/(s124*s134*s34*z34) + 
   (2*s13*s14*z4)/(s124*s134*s34*z34) + (s14^2*z4)/(4*s12*s123*s34*z34) - 
   (5*s14^2*z4)/(4*s12*s124*s34*z34) + (s14^2*z4)/(s124*s134*s34*z34) - 
   (2*s23*z4)/(s12*s34*z34) - (3*s23*z4)/(4*s123*s34*z34) - 
   (5*s23*z4)/(4*s124*s34*z34) - (5*s13*s23*z4)/(2*s12*s123*s34*z34) - 
   (5*s13*s23*z4)/(2*s12*s124*s34*z34) - (s13^2*s23*z4)/
    (s12^2*s123*s34*z34) + (s13*s23*z4)/(2*s12*s134*s34*z34) + 
   (s13*s23*z4)/(s124*s134*s34*z34) - (s14*s23*z4)/(s12^2*s34*z34) - 
   (s14*s23*z4)/(s12*s123*s34*z34) - (3*s14*s23*z4)/(s12*s124*s34*z34) - 
   (3*s13*s14*s23*z4)/(2*s12^2*s123*s34*z34) - 
   (s13*s14*s23*z4)/(2*s12^2*s124*s34*z34) + 
   (s14*s23*z4)/(2*s12*s134*s34*z34) + (s14*s23*z4)/(s124*s134*s34*z34) - 
   (s14^2*s23*z4)/(2*s12^2*s123*s34*z34) - 
   (s14^2*s23*z4)/(2*s12^2*s124*s34*z34) - 
   (3*s23^2*z4)/(4*s12*s123*s34*z34) - (5*s23^2*z4)/(4*s12*s124*s34*z34) - 
   (s13*s23^2*z4)/(s12^2*s123*s34*z34) - (s14*s23^2*z4)/
    (2*s12^2*s123*s34*z34) - (s14*s23^2*z4)/(2*s12^2*s124*s34*z34) - 
   (3*s23*z4)/(2*s234*s34*z34) - (2*s12*s23*z4)/(s124*s234*s34*z34) + 
   (s13*s23*z4)/(2*s12*s234*s34*z34) - (2*s13*s23*z4)/(s124*s234*s34*z34) - 
   (s14*s23*z4)/(2*s12*s234*s34*z34) - (2*s14*s23*z4)/(s124*s234*s34*z34) - 
   (2*s23^2*z4)/(s124*s234*s34*z34) + (s24*z4)/(4*s123*s34*z34) - 
   (5*s24*z4)/(4*s124*s34*z34) - (s13*s24*z4)/(s12^2*s34*z34) - 
   (s13*s24*z4)/(s12*s123*s34*z34) - (3*s13*s24*z4)/(s12*s124*s34*z34) - 
   (s13^2*s24*z4)/(2*s12^2*s123*s34*z34) - 
   (s13^2*s24*z4)/(2*s12^2*s124*s34*z34) - 
   (s13*s24*z4)/(2*s12*s134*s34*z34) + (s13*s24*z4)/(s124*s134*s34*z34) - 
   (2*s14*s24*z4)/(s12^2*s34*z34) + (s14*s24*z4)/(2*s12*s123*s34*z34) - 
   (7*s14*s24*z4)/(2*s12*s124*s34*z34) - (s13*s14*s24*z4)/
    (2*s12^2*s123*s34*z34) - (3*s13*s14*s24*z4)/(2*s12^2*s124*s34*z34) - 
   (s14*s24*z4)/(2*s12*s134*s34*z34) + (s14*s24*z4)/(s124*s134*s34*z34) - 
   (s14^2*s24*z4)/(s12^2*s124*s34*z34) - (s23*s24*z4)/(2*s12*s123*s34*z34) - 
   (5*s23*s24*z4)/(2*s12*s124*s34*z34) - (3*s13*s23*s24*z4)/
    (2*s12^2*s123*s34*z34) - (s13*s23*s24*z4)/(2*s12^2*s124*s34*z34) - 
   (s14*s23*s24*z4)/(2*s12^2*s123*s34*z34) - (3*s14*s23*s24*z4)/
    (2*s12^2*s124*s34*z34) - (s24*z4)/(2*s234*s34*z34) - 
   (2*s12*s24*z4)/(s124*s234*s34*z34) + (s13*s24*z4)/(2*s12*s234*s34*z34) - 
   (2*s13*s24*z4)/(s124*s234*s34*z34) - (s14*s24*z4)/(2*s12*s234*s34*z34) - 
   (2*s14*s24*z4)/(s124*s234*s34*z34) - (4*s23*s24*z4)/(s124*s234*s34*z34) + 
   (s24^2*z4)/(4*s12*s123*s34*z34) - (5*s24^2*z4)/(4*s12*s124*s34*z34) - 
   (s13*s24^2*z4)/(2*s12^2*s123*s34*z34) - 
   (s13*s24^2*z4)/(2*s12^2*s124*s34*z34) - 
   (s14*s24^2*z4)/(s12^2*s124*s34*z34) - (2*s24^2*z4)/(s124*s234*s34*z34) + 
   (s34*z4)/(2*s12*s123*z34) - (s34*z4)/(2*s12*s124*z34) + 
   (s34*z4)/(s124*s134*z34) - (2*s34*z4)/(s124*s234*z34) - 
   (z1*z4)/(s12*z12*z34) + (z1*z4)/(2*s123*z12*z34) - 
   (z1*z4)/(2*s124*z12*z34) + (s13*z1*z4)/(4*s12*s123*z12*z34) - 
   (s13*z1*z4)/(4*s12*s124*z12*z34) + (s14*z1*z4)/(4*s12*s123*z12*z34) - 
   (s14*z1*z4)/(4*s12*s124*z12*z34) + (7*s23*z1*z4)/(4*s12*s123*z12*z34) + 
   (s23*z1*z4)/(4*s12*s124*z12*z34) + (s13*s23*z1*z4)/(s12^2*s123*z12*z34) + 
   (s14*s23*z1*z4)/(2*s12^2*s123*z12*z34) + (s14*s23*z1*z4)/
    (2*s12^2*s124*z12*z34) + (s23^2*z1*z4)/(s12^2*s123*z12*z34) + 
   (3*s24*z1*z4)/(4*s12*s123*z12*z34) + (5*s24*z1*z4)/(4*s12*s124*z12*z34) + 
   (s13*s24*z1*z4)/(2*s12^2*s123*z12*z34) + (s13*s24*z1*z4)/
    (2*s12^2*s124*z12*z34) + (s14*s24*z1*z4)/(s12^2*s124*z12*z34) + 
   (s23*s24*z1*z4)/(s12^2*s123*z12*z34) + (s23*s24*z1*z4)/
    (s12^2*s124*z12*z34) + (s24^2*z1*z4)/(s12^2*s124*z12*z34) + 
   (s23*z1*z4)/(s34^2*z12*z34) + (s13*s23*z1*z4)/(s12*s34^2*z12*z34) - 
   (s12*s23*z1*z4)/(2*s134*s34^2*z12*z34) - (3*s13*s23*z1*z4)/
    (4*s134*s34^2*z12*z34) - (s13^2*s23*z1*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (2*s14*s23*z1*z4)/(s12*s34^2*z12*z34) + (s13*s14*s23*z1*z4)/
    (s12^2*s34^2*z12*z34) - (3*s14*s23*z1*z4)/(4*s134*s34^2*z12*z34) - 
   (s13*s14*s23*z1*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*s23*z1*z4)/(s12^2*s34^2*z12*z34) - (s14^2*s23*z1*z4)/
    (4*s12*s134*s34^2*z12*z34) + (s23^2*z1*z4)/(s12*s34^2*z12*z34) - 
   (3*s23^2*z1*z4)/(4*s134*s34^2*z12*z34) - (s13*s23^2*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s23^2*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s14*s23^2*z1*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s23^3*z1*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s12*s23*z1*z4)/(2*s234*s34^2*z12*z34) - (3*s13*s23*z1*z4)/
    (4*s234*s34^2*z12*z34) - (s13^2*s23*z1*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (3*s14*s23*z1*z4)/(4*s234*s34^2*z12*z34) - (s13*s14*s23*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) - (s14^2*s23*z1*z4)/
    (4*s12*s234*s34^2*z12*z34) - (3*s23^2*z1*z4)/(4*s234*s34^2*z12*z34) - 
   (s13*s23^2*z1*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s14*s23^2*z1*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s23^3*z1*z4)/(4*s12*s234*s34^2*z12*z34) + (3*s24*z1*z4)/(s34^2*z12*z34) + 
   (4*s13*s24*z1*z4)/(s12*s34^2*z12*z34) + (s13^2*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) + (s12*s24*z1*z4)/(2*s134*s34^2*z12*z34) + 
   (3*s13*s24*z1*z4)/(4*s134*s34^2*z12*z34) + 
   (s13^2*s24*z1*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (5*s14*s24*z1*z4)/(s12*s34^2*z12*z34) + (3*s13*s14*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) + (3*s14*s24*z1*z4)/(4*s134*s34^2*z12*z34) + 
   (s13*s14*s24*z1*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (2*s14^2*s24*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s14^2*s24*z1*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (6*s23*s24*z1*z4)/(s12*s34^2*z12*z34) + (3*s13*s23*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) + (5*s14*s23*s24*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (2*s23^2*s24*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s23^2*s24*z1*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s12*s24*z1*z4)/(2*s234*s34^2*z12*z34) + (3*s13*s24*z1*z4)/
    (4*s234*s34^2*z12*z34) + (s13^2*s24*z1*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (3*s14*s24*z1*z4)/(4*s234*s34^2*z12*z34) + (s13*s14*s24*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s24*z1*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s23^2*s24*z1*z4)/
    (4*s12*s234*s34^2*z12*z34) + (5*s24^2*z1*z4)/(s12*s34^2*z12*z34) + 
   (3*s13*s24^2*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (3*s24^2*z1*z4)/(4*s134*s34^2*z12*z34) + (s13*s24^2*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (4*s14*s24^2*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s14*s24^2*z1*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (4*s23*s24^2*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s23*s24^2*z1*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (3*s24^2*z1*z4)/(4*s234*s34^2*z12*z34) + (s13*s24^2*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s24^2*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s23*s24^2*z1*z4)/
    (4*s12*s234*s34^2*z12*z34) + (2*s24^3*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (s24^3*z1*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s24^3*z1*z4)/(4*s12*s234*s34^2*z12*z34) - (z1*z4)/(s34*z12*z34) + 
   (s12*z1*z4)/(2*s123*s34*z12*z34) - (s12*z1*z4)/(2*s124*s34*z12*z34) - 
   (s13*z1*z4)/(s12*s34*z12*z34) + (3*s13*z1*z4)/(4*s123*s34*z12*z34) - 
   (3*s13*z1*z4)/(4*s124*s34*z12*z34) + (s13^2*z1*z4)/
    (4*s12*s123*s34*z12*z34) - (s13^2*z1*z4)/(4*s12*s124*s34*z12*z34) - 
   (s14*z1*z4)/(s12*s34*z12*z34) + (3*s14*z1*z4)/(4*s123*s34*z12*z34) - 
   (3*s14*z1*z4)/(4*s124*s34*z12*z34) + (s13*s14*z1*z4)/
    (2*s12*s123*s34*z12*z34) - (s13*s14*z1*z4)/(2*s12*s124*s34*z12*z34) + 
   (s14^2*z1*z4)/(4*s12*s123*s34*z12*z34) - 
   (s14^2*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (9*s23*z1*z4)/(4*s123*s34*z12*z34) - (s23*z1*z4)/(4*s124*s34*z12*z34) + 
   (3*s13*s23*z1*z4)/(s12*s123*s34*z12*z34) + 
   (s13^2*s23*z1*z4)/(s12^2*s123*s34*z12*z34) - 
   (s23*z1*z4)/(2*s134*s34*z12*z34) - (s13*s23*z1*z4)/
    (4*s12*s134*s34*z12*z34) + (s14*s23*z1*z4)/(s12^2*s34*z12*z34) + 
   (5*s14*s23*z1*z4)/(2*s12*s123*s34*z12*z34) + 
   (s14*s23*z1*z4)/(2*s12*s124*s34*z12*z34) + (3*s13*s14*s23*z1*z4)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s14*s23*z1*z4)/
    (2*s12^2*s124*s34*z12*z34) - (s14*s23*z1*z4)/(4*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (11*s23^2*z1*z4)/(4*s12*s123*s34*z12*z34) + 
   (s23^2*z1*z4)/(4*s12*s124*s34*z12*z34) + (2*s13*s23^2*z1*z4)/
    (s12^2*s123*s34*z12*z34) - (s23^2*z1*z4)/(4*s12*s134*s34*z12*z34) + 
   (3*s14*s23^2*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23^2*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^3*z1*z4)/(s12^2*s123*s34*z12*z34) - 
   (s23*z1*z4)/(2*s234*s34*z12*z34) - (s13*s23*z1*z4)/
    (4*s12*s234*s34*z12*z34) - (s14*s23*z1*z4)/(4*s12*s234*s34*z12*z34) - 
   (s23^2*z1*z4)/(4*s12*s234*s34*z12*z34) + (2*s24*z1*z4)/(s12*s34*z12*z34) + 
   (5*s24*z1*z4)/(4*s123*s34*z12*z34) + (3*s24*z1*z4)/(4*s124*s34*z12*z34) + 
   (s13*s24*z1*z4)/(s12^2*s34*z12*z34) + (3*s13*s24*z1*z4)/
    (2*s12*s123*s34*z12*z34) + (3*s13*s24*z1*z4)/(2*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s24*z1*z4)/(2*s134*s34*z12*z34) + (s13*s24*z1*z4)/
    (4*s12*s134*s34*z12*z34) + (2*s14*s24*z1*z4)/(s12^2*s34*z12*z34) + 
   (s14*s24*z1*z4)/(s12*s123*s34*z12*z34) + (2*s14*s24*z1*z4)/
    (s12*s124*s34*z12*z34) + (s13*s14*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (3*s13*s14*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s24*z1*z4)/(4*s12*s134*s34*z12*z34) + 
   (s14^2*s24*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (2*s23*s24*z1*z4)/(s12^2*s34*z12*z34) + (7*s23*s24*z1*z4)/
    (2*s12*s123*s34*z12*z34) + (5*s23*s24*z1*z4)/(2*s12*s124*s34*z12*z34) + 
   (5*s13*s23*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (3*s13*s23*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s14*s23*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (5*s14*s23*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (2*s23^2*s24*z1*z4)/(s12^2*s123*s34*z12*z34) + 
   (s23^2*s24*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (s24*z1*z4)/(2*s234*s34*z12*z34) + (s13*s24*z1*z4)/
    (4*s12*s234*s34*z12*z34) + (s14*s24*z1*z4)/(4*s12*s234*s34*z12*z34) + 
   (2*s24^2*z1*z4)/(s12^2*s34*z12*z34) + (3*s24^2*z1*z4)/
    (4*s12*s123*s34*z12*z34) + (9*s24^2*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13*s24^2*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (3*s13*s24^2*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s24^2*z1*z4)/(4*s12*s134*s34*z12*z34) + (2*s14*s24^2*z1*z4)/
    (s12^2*s124*s34*z12*z34) + (s23*s24^2*z1*z4)/(s12^2*s123*s34*z12*z34) + 
   (2*s23*s24^2*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (s24^2*z1*z4)/(4*s12*s234*s34*z12*z34) + 
   (s24^3*z1*z4)/(s12^2*s124*s34*z12*z34) - (2*z1*z2*z4)/(s123*z12^2*z34) - 
   (2*z1*z2*z4)/(s124*z12^2*z34) - (3*s13*z1*z2*z4)/(s12*s123*z12^2*z34) - 
   (s13*z1*z2*z4)/(s12*s124*z12^2*z34) - (s13^2*z1*z2*z4)/
    (s12^2*s123*z12^2*z34) - (s14*z1*z2*z4)/(s12*s123*z12^2*z34) - 
   (3*s14*z1*z2*z4)/(s12*s124*z12^2*z34) - (s13*s14*z1*z2*z4)/
    (s12^2*s123*z12^2*z34) - (s13*s14*z1*z2*z4)/(s12^2*s124*z12^2*z34) - 
   (s14^2*z1*z2*z4)/(s12^2*s124*z12^2*z34) - (3*s23*z1*z2*z4)/
    (s12*s123*z12^2*z34) - (s23*z1*z2*z4)/(s12*s124*z12^2*z34) - 
   (2*s13*s23*z1*z2*z4)/(s12^2*s123*z12^2*z34) - 
   (s14*s23*z1*z2*z4)/(s12^2*s123*z12^2*z34) - 
   (s14*s23*z1*z2*z4)/(s12^2*s124*z12^2*z34) - 
   (s23^2*z1*z2*z4)/(s12^2*s123*z12^2*z34) - 
   (s24*z1*z2*z4)/(s12*s123*z12^2*z34) - (3*s24*z1*z2*z4)/
    (s12*s124*z12^2*z34) - (s13*s24*z1*z2*z4)/(s12^2*s123*z12^2*z34) - 
   (s13*s24*z1*z2*z4)/(s12^2*s124*z12^2*z34) - (2*s14*s24*z1*z2*z4)/
    (s12^2*s124*z12^2*z34) - (s23*s24*z1*z2*z4)/(s12^2*s123*z12^2*z34) - 
   (s23*s24*z1*z2*z4)/(s12^2*s124*z12^2*z34) - 
   (s24^2*z1*z2*z4)/(s12^2*s124*z12^2*z34) - (4*s12*z1*z2*z4)/
    (s34^2*z12^2*z34) - (6*s13*z1*z2*z4)/(s34^2*z12^2*z34) - 
   (2*s13^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (10*s14*z1*z2*z4)/(s34^2*z12^2*z34) - (10*s13*s14*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) - (2*s13^2*s14*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (8*s14^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) - (4*s13*s14^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (2*s14^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (6*s23*z1*z2*z4)/(s34^2*z12^2*z34) - (4*s13*s23*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) - (10*s14*s23*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (4*s13*s14*s23*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (4*s14^2*s23*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s23^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) - (2*s14*s23^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (10*s24*z1*z2*z4)/(s34^2*z12^2*z34) - 
   (10*s13*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (2*s13^2*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (16*s14*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (8*s13*s14*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (6*s14^2*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (10*s23*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) - 
   (4*s13*s23*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (8*s14*s23*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (2*s23^2*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (8*s24^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) - (4*s13*s24^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (6*s14*s24^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (4*s23*s24^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) - (2*s24^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) - 
   (4*z1*z2*z4)/(s34*z12^2*z34) - (2*s12*z1*z2*z4)/(s123*s34*z12^2*z34) - 
   (2*s12*z1*z2*z4)/(s124*s34*z12^2*z34) - (2*s13*z1*z2*z4)/
    (s12*s34*z12^2*z34) - (5*s13*z1*z2*z4)/(s123*s34*z12^2*z34) - 
   (3*s13*z1*z2*z4)/(s124*s34*z12^2*z34) - (4*s13^2*z1*z2*z4)/
    (s12*s123*s34*z12^2*z34) - (s13^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - 
   (s13^3*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (6*s14*z1*z2*z4)/(s12*s34*z12^2*z34) - (3*s14*z1*z2*z4)/
    (s123*s34*z12^2*z34) - (5*s14*z1*z2*z4)/(s124*s34*z12^2*z34) - 
   (2*s13*s14*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (5*s13*s14*z1*z2*z4)/(s12*s123*s34*z12^2*z34) - 
   (5*s13*s14*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - 
   (2*s13^2*s14*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (s13^2*s14*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s14^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (s14^2*z1*z2*z4)/(s12*s123*s34*z12^2*z34) - 
   (4*s14^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - 
   (s13*s14^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s13*s14^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (s14^3*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s23*z1*z2*z4)/(s12*s34*z12^2*z34) - (5*s23*z1*z2*z4)/
    (s123*s34*z12^2*z34) - (3*s23*z1*z2*z4)/(s124*s34*z12^2*z34) - 
   (8*s13*s23*z1*z2*z4)/(s12*s123*s34*z12^2*z34) - 
   (2*s13*s23*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - 
   (3*s13^2*s23*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s14*s23*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (5*s14*s23*z1*z2*z4)/(s12*s123*s34*z12^2*z34) - 
   (5*s14*s23*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - 
   (4*s13*s14*s23*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s13*s14*s23*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (s14^2*s23*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s14^2*s23*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (4*s23^2*z1*z2*z4)/(s12*s123*s34*z12^2*z34) - 
   (s23^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - (3*s13*s23^2*z1*z2*z4)/
    (s12^2*s123*s34*z12^2*z34) - (2*s14*s23^2*z1*z2*z4)/
    (s12^2*s123*s34*z12^2*z34) - (s14*s23^2*z1*z2*z4)/
    (s12^2*s124*s34*z12^2*z34) - (s23^3*z1*z2*z4)/
    (s12^2*s123*s34*z12^2*z34) - (6*s24*z1*z2*z4)/(s12*s34*z12^2*z34) - 
   (3*s24*z1*z2*z4)/(s123*s34*z12^2*z34) - (5*s24*z1*z2*z4)/
    (s124*s34*z12^2*z34) - (2*s13*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (5*s13*s24*z1*z2*z4)/(s12*s123*s34*z12^2*z34) - 
   (5*s13*s24*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - 
   (2*s13^2*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (s13^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (4*s14*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (2*s14*s24*z1*z2*z4)/(s12*s123*s34*z12^2*z34) - 
   (8*s14*s24*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - 
   (2*s13*s14*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (4*s13*s14*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (3*s14^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s23*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (5*s23*s24*z1*z2*z4)/(s12*s123*s34*z12^2*z34) - 
   (5*s23*s24*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - 
   (4*s13*s23*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s13*s23*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s14*s23*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (4*s14*s23*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s23^2*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (s23^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (2*s24^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) - 
   (s24^2*z1*z2*z4)/(s12*s123*s34*z12^2*z34) - 
   (4*s24^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) - 
   (s13*s24^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s13*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (3*s14*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (s23*s24^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) - 
   (2*s23*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - 
   (s24^3*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) - (z2*z4)/(s12*z12*z34) + 
   (z2*z4)/(2*s123*z12*z34) - (z2*z4)/(2*s124*z12*z34) + 
   (7*s13*z2*z4)/(4*s12*s123*z12*z34) + (s13*z2*z4)/(4*s12*s124*z12*z34) + 
   (s13^2*z2*z4)/(s12^2*s123*z12*z34) + (3*s14*z2*z4)/(4*s12*s123*z12*z34) + 
   (5*s14*z2*z4)/(4*s12*s124*z12*z34) + (s13*s14*z2*z4)/
    (s12^2*s123*z12*z34) + (s13*s14*z2*z4)/(s12^2*s124*z12*z34) + 
   (s14^2*z2*z4)/(s12^2*s124*z12*z34) + (s23*z2*z4)/(4*s12*s123*z12*z34) - 
   (s23*z2*z4)/(4*s12*s124*z12*z34) + (s13*s23*z2*z4)/(s12^2*s123*z12*z34) + 
   (s14*s23*z2*z4)/(2*s12^2*s123*z12*z34) + (s14*s23*z2*z4)/
    (2*s12^2*s124*z12*z34) + (s24*z2*z4)/(4*s12*s123*z12*z34) - 
   (s24*z2*z4)/(4*s12*s124*z12*z34) + (s13*s24*z2*z4)/
    (2*s12^2*s123*z12*z34) + (s13*s24*z2*z4)/(2*s12^2*s124*z12*z34) + 
   (s14*s24*z2*z4)/(s12^2*s124*z12*z34) + (s13*z2*z4)/(s34^2*z12*z34) + 
   (s13^2*z2*z4)/(s12*s34^2*z12*z34) - (s12*s13*z2*z4)/
    (2*s134*s34^2*z12*z34) - (3*s13^2*z2*z4)/(4*s134*s34^2*z12*z34) - 
   (s13^3*z2*z4)/(4*s12*s134*s34^2*z12*z34) + (3*s14*z2*z4)/(s34^2*z12*z34) + 
   (6*s13*s14*z2*z4)/(s12*s34^2*z12*z34) + (2*s13^2*s14*z2*z4)/
    (s12^2*s34^2*z12*z34) + (s12*s14*z2*z4)/(2*s134*s34^2*z12*z34) - 
   (s13^2*s14*z2*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (5*s14^2*z2*z4)/(s12*s34^2*z12*z34) + (4*s13*s14^2*z2*z4)/
    (s12^2*s34^2*z12*z34) + (3*s14^2*z2*z4)/(4*s134*s34^2*z12*z34) + 
   (s13*s14^2*z2*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (2*s14^3*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s14^3*z2*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s13*s23*z2*z4)/(s12*s34^2*z12*z34) - (3*s13*s23*z2*z4)/
    (4*s134*s34^2*z12*z34) - (s13^2*s23*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (4*s14*s23*z2*z4)/(s12*s34^2*z12*z34) + (3*s13*s14*s23*z2*z4)/
    (s12^2*s34^2*z12*z34) + (3*s14*s23*z2*z4)/(4*s134*s34^2*z12*z34) + 
   (3*s14^2*s23*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s14^2*s23*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s13*s23^2*z2*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s14*s23^2*z2*z4)/(s12^2*s34^2*z12*z34) + (s14*s23^2*z2*z4)/
    (4*s12*s134*s34^2*z12*z34) - (s12*s13*z2*z4)/(2*s234*s34^2*z12*z34) - 
   (3*s13^2*z2*z4)/(4*s234*s34^2*z12*z34) - 
   (s13^3*z2*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s12*s14*z2*z4)/(2*s234*s34^2*z12*z34) - (s13^2*s14*z2*z4)/
    (4*s12*s234*s34^2*z12*z34) + (3*s14^2*z2*z4)/(4*s234*s34^2*z12*z34) + 
   (s13*s14^2*z2*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s14^3*z2*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (3*s13*s23*z2*z4)/(4*s234*s34^2*z12*z34) - 
   (s13^2*s23*z2*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (3*s14*s23*z2*z4)/(4*s234*s34^2*z12*z34) + 
   (s14^2*s23*z2*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s13*s23^2*z2*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s14*s23^2*z2*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (2*s13*s24*z2*z4)/(s12*s34^2*z12*z34) + (s13^2*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) - (3*s13*s24*z2*z4)/(4*s134*s34^2*z12*z34) - 
   (s13^2*s24*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (5*s14*s24*z2*z4)/(s12*s34^2*z12*z34) + (5*s13*s14*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) + (3*s14*s24*z2*z4)/(4*s134*s34^2*z12*z34) + 
   (4*s14^2*s24*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s14^2*s24*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s13*s23*s24*z2*z4)/(s12^2*s34^2*z12*z34) - (s13*s23*s24*z2*z4)/
    (2*s12*s134*s34^2*z12*z34) + (3*s14*s23*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) + (s14*s23*s24*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (3*s13*s24*z2*z4)/(4*s234*s34^2*z12*z34) - 
   (s13^2*s24*z2*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (3*s14*s24*z2*z4)/(4*s234*s34^2*z12*z34) + 
   (s14^2*s24*z2*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s13*s23*s24*z2*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s23*s24*z2*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s13*s24^2*z2*z4)/(s12^2*s34^2*z12*z34) - (s13*s24^2*z2*z4)/
    (4*s12*s134*s34^2*z12*z34) + (2*s14*s24^2*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s14*s24^2*z2*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s13*s24^2*z2*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s14*s24^2*z2*z4)/(4*s12*s234*s34^2*z12*z34) - (z2*z4)/(s34*z12*z34) + 
   (s12*z2*z4)/(2*s123*s34*z12*z34) - (s12*z2*z4)/(2*s124*s34*z12*z34) + 
   (9*s13*z2*z4)/(4*s123*s34*z12*z34) - (s13*z2*z4)/(4*s124*s34*z12*z34) + 
   (11*s13^2*z2*z4)/(4*s12*s123*s34*z12*z34) + 
   (s13^2*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^3*z2*z4)/(s12^2*s123*s34*z12*z34) - 
   (s13*z2*z4)/(2*s134*s34*z12*z34) - (s13^2*z2*z4)/
    (4*s12*s134*s34*z12*z34) + (2*s14*z2*z4)/(s12*s34*z12*z34) + 
   (5*s14*z2*z4)/(4*s123*s34*z12*z34) + (3*s14*z2*z4)/(4*s124*s34*z12*z34) + 
   (2*s13*s14*z2*z4)/(s12^2*s34*z12*z34) + (7*s13*s14*z2*z4)/
    (2*s12*s123*s34*z12*z34) + (5*s13*s14*z2*z4)/(2*s12*s124*s34*z12*z34) + 
   (2*s13^2*s14*z2*z4)/(s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z2*z4)/(s12^2*s124*s34*z12*z34) + 
   (s14*z2*z4)/(2*s134*s34*z12*z34) + (2*s14^2*z2*z4)/(s12^2*s34*z12*z34) + 
   (3*s14^2*z2*z4)/(4*s12*s123*s34*z12*z34) + 
   (9*s14^2*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14^2*z2*z4)/(s12^2*s123*s34*z12*z34) + 
   (2*s13*s14^2*z2*z4)/(s12^2*s124*s34*z12*z34) + 
   (s14^2*z2*z4)/(4*s12*s134*s34*z12*z34) + 
   (s14^3*z2*z4)/(s12^2*s124*s34*z12*z34) - (s23*z2*z4)/(s12*s34*z12*z34) + 
   (3*s23*z2*z4)/(4*s123*s34*z12*z34) - (3*s23*z2*z4)/(4*s124*s34*z12*z34) + 
   (3*s13*s23*z2*z4)/(s12*s123*s34*z12*z34) + (2*s13^2*s23*z2*z4)/
    (s12^2*s123*s34*z12*z34) - (s13*s23*z2*z4)/(4*s12*s134*s34*z12*z34) + 
   (s14*s23*z2*z4)/(s12^2*s34*z12*z34) + (3*s14*s23*z2*z4)/
    (2*s12*s123*s34*z12*z34) + (3*s14*s23*z2*z4)/(2*s12*s124*s34*z12*z34) + 
   (5*s13*s14*s23*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (3*s13*s14*s23*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s23*z2*z4)/(4*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (3*s14^2*s23*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^2*z2*z4)/(4*s12*s123*s34*z12*z34) - 
   (s23^2*z2*z4)/(4*s12*s124*s34*z12*z34) + (s13*s23^2*z2*z4)/
    (s12^2*s123*s34*z12*z34) + (s14*s23^2*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23^2*z2*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s13*z2*z4)/(2*s234*s34*z12*z34) - (s13^2*z2*z4)/
    (4*s12*s234*s34*z12*z34) + (s14*z2*z4)/(2*s234*s34*z12*z34) + 
   (s14^2*z2*z4)/(4*s12*s234*s34*z12*z34) - (s13*s23*z2*z4)/
    (4*s12*s234*s34*z12*z34) + (s14*s23*z2*z4)/(4*s12*s234*s34*z12*z34) - 
   (s24*z2*z4)/(s12*s34*z12*z34) + (3*s24*z2*z4)/(4*s123*s34*z12*z34) - 
   (3*s24*z2*z4)/(4*s124*s34*z12*z34) + (s13*s24*z2*z4)/(s12^2*s34*z12*z34) + 
   (5*s13*s24*z2*z4)/(2*s12*s123*s34*z12*z34) + 
   (s13*s24*z2*z4)/(2*s12*s124*s34*z12*z34) + (3*s13^2*s24*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) + (s13^2*s24*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) - (s13*s24*z2*z4)/(4*s12*s134*s34*z12*z34) + 
   (2*s14*s24*z2*z4)/(s12^2*s34*z12*z34) + (s14*s24*z2*z4)/
    (s12*s123*s34*z12*z34) + (2*s14*s24*z2*z4)/(s12*s124*s34*z12*z34) + 
   (3*s13*s14*s24*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (5*s13*s14*s24*z2*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s24*z2*z4)/(4*s12*s134*s34*z12*z34) + (2*s14^2*s24*z2*z4)/
    (s12^2*s124*s34*z12*z34) + (s23*s24*z2*z4)/(2*s12*s123*s34*z12*z34) - 
   (s23*s24*z2*z4)/(2*s12*s124*s34*z12*z34) + (3*s13*s23*s24*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s23*s24*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s23*s24*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) + (3*s14*s23*s24*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) - (s13*s24*z2*z4)/(4*s12*s234*s34*z12*z34) + 
   (s14*s24*z2*z4)/(4*s12*s234*s34*z12*z34) + 
   (s24^2*z2*z4)/(4*s12*s123*s34*z12*z34) - 
   (s24^2*z2*z4)/(4*s12*s124*s34*z12*z34) + (s13*s24^2*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s24^2*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s24^2*z2*z4)/(s12^2*s124*s34*z12*z34) - 
   (2*z3*z4)/(s123*z12*z34) - (2*z3*z4)/(s124*z12*z34) - 
   (3*s13*z3*z4)/(2*s12*s123*z12*z34) - (s13*z3*z4)/(2*s12*s124*z12*z34) - 
   (s14*z3*z4)/(2*s12*s123*z12*z34) - (3*s14*z3*z4)/(2*s12*s124*z12*z34) - 
   (3*s23*z3*z4)/(2*s12*s123*z12*z34) - (s23*z3*z4)/(2*s12*s124*z12*z34) - 
   (s24*z3*z4)/(2*s12*s123*z12*z34) - (3*s24*z3*z4)/(2*s12*s124*z12*z34) - 
   (2*s12*z3*z4)/(s34^2*z12*z34) - (3*s13*z3*z4)/(s34^2*z12*z34) - 
   (s13^2*z3*z4)/(s12*s34^2*z12*z34) + (s12^2*z3*z4)/(s134*s34^2*z12*z34) + 
   (3*s12*s13*z3*z4)/(2*s134*s34^2*z12*z34) + 
   (s13^2*z3*z4)/(2*s134*s34^2*z12*z34) - (3*s14*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s14*z3*z4)/(s12*s34^2*z12*z34) + (3*s12*s14*z3*z4)/
    (2*s134*s34^2*z12*z34) + (s13*s14*z3*z4)/(s134*s34^2*z12*z34) - 
   (s14^2*z3*z4)/(s12*s34^2*z12*z34) + (s14^2*z3*z4)/(2*s134*s34^2*z12*z34) - 
   (3*s23*z3*z4)/(s34^2*z12*z34) - (2*s13*s23*z3*z4)/(s12*s34^2*z12*z34) + 
   (3*s12*s23*z3*z4)/(2*s134*s34^2*z12*z34) + 
   (s13*s23*z3*z4)/(s134*s34^2*z12*z34) - (2*s14*s23*z3*z4)/
    (s12*s34^2*z12*z34) + (s14*s23*z3*z4)/(s134*s34^2*z12*z34) - 
   (s23^2*z3*z4)/(s12*s34^2*z12*z34) + (s23^2*z3*z4)/(2*s134*s34^2*z12*z34) + 
   (s12^2*z3*z4)/(s234*s34^2*z12*z34) + (3*s12*s13*z3*z4)/
    (2*s234*s34^2*z12*z34) + (s13^2*z3*z4)/(2*s234*s34^2*z12*z34) + 
   (3*s12*s14*z3*z4)/(2*s234*s34^2*z12*z34) + 
   (s13*s14*z3*z4)/(s234*s34^2*z12*z34) + 
   (s14^2*z3*z4)/(2*s234*s34^2*z12*z34) + (3*s12*s23*z3*z4)/
    (2*s234*s34^2*z12*z34) + (s13*s23*z3*z4)/(s234*s34^2*z12*z34) + 
   (s14*s23*z3*z4)/(s234*s34^2*z12*z34) + 
   (s23^2*z3*z4)/(2*s234*s34^2*z12*z34) - (3*s24*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s24*z3*z4)/(s12*s34^2*z12*z34) + (3*s12*s24*z3*z4)/
    (2*s134*s34^2*z12*z34) + (s13*s24*z3*z4)/(s134*s34^2*z12*z34) - 
   (2*s14*s24*z3*z4)/(s12*s34^2*z12*z34) + (s14*s24*z3*z4)/
    (s134*s34^2*z12*z34) - (2*s23*s24*z3*z4)/(s12*s34^2*z12*z34) + 
   (s23*s24*z3*z4)/(s134*s34^2*z12*z34) + (3*s12*s24*z3*z4)/
    (2*s234*s34^2*z12*z34) + (s13*s24*z3*z4)/(s234*s34^2*z12*z34) + 
   (s14*s24*z3*z4)/(s234*s34^2*z12*z34) + (s23*s24*z3*z4)/
    (s234*s34^2*z12*z34) - (s24^2*z3*z4)/(s12*s34^2*z12*z34) + 
   (s24^2*z3*z4)/(2*s134*s34^2*z12*z34) + 
   (s24^2*z3*z4)/(2*s234*s34^2*z12*z34) - (2*z3*z4)/(s34*z12*z34) - 
   (2*s12*z3*z4)/(s123*s34*z12*z34) - (2*s12*z3*z4)/(s124*s34*z12*z34) - 
   (s13*z3*z4)/(s12*s34*z12*z34) - (7*s13*z3*z4)/(2*s123*s34*z12*z34) - 
   (5*s13*z3*z4)/(2*s124*s34*z12*z34) - (3*s13^2*z3*z4)/
    (2*s12*s123*s34*z12*z34) - (s13^2*z3*z4)/(2*s12*s124*s34*z12*z34) + 
   (s12*z3*z4)/(s134*s34*z12*z34) + (s13*z3*z4)/(2*s134*s34*z12*z34) - 
   (s14*z3*z4)/(s12*s34*z12*z34) - (5*s14*z3*z4)/(2*s123*s34*z12*z34) - 
   (7*s14*z3*z4)/(2*s124*s34*z12*z34) - (2*s13*s14*z3*z4)/
    (s12*s123*s34*z12*z34) - (2*s13*s14*z3*z4)/(s12*s124*s34*z12*z34) + 
   (s14*z3*z4)/(2*s134*s34*z12*z34) - (s14^2*z3*z4)/
    (2*s12*s123*s34*z12*z34) - (3*s14^2*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s23*z3*z4)/(s12*s34*z12*z34) - (7*s23*z3*z4)/(2*s123*s34*z12*z34) - 
   (5*s23*z3*z4)/(2*s124*s34*z12*z34) - (3*s13*s23*z3*z4)/
    (s12*s123*s34*z12*z34) - (s13*s23*z3*z4)/(s12*s124*s34*z12*z34) + 
   (s23*z3*z4)/(2*s134*s34*z12*z34) - (2*s14*s23*z3*z4)/
    (s12*s123*s34*z12*z34) - (2*s14*s23*z3*z4)/(s12*s124*s34*z12*z34) - 
   (3*s23^2*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s23^2*z3*z4)/(2*s12*s124*s34*z12*z34) + (s12*z3*z4)/(s234*s34*z12*z34) + 
   (s13*z3*z4)/(2*s234*s34*z12*z34) + (s14*z3*z4)/(2*s234*s34*z12*z34) + 
   (s23*z3*z4)/(2*s234*s34*z12*z34) - (s24*z3*z4)/(s12*s34*z12*z34) - 
   (5*s24*z3*z4)/(2*s123*s34*z12*z34) - (7*s24*z3*z4)/(2*s124*s34*z12*z34) - 
   (2*s13*s24*z3*z4)/(s12*s123*s34*z12*z34) - 
   (2*s13*s24*z3*z4)/(s12*s124*s34*z12*z34) + 
   (s24*z3*z4)/(2*s134*s34*z12*z34) - (s14*s24*z3*z4)/
    (s12*s123*s34*z12*z34) - (3*s14*s24*z3*z4)/(s12*s124*s34*z12*z34) - 
   (2*s23*s24*z3*z4)/(s12*s123*s34*z12*z34) - 
   (2*s23*s24*z3*z4)/(s12*s124*s34*z12*z34) + 
   (s24*z3*z4)/(2*s234*s34*z12*z34) - (s24^2*z3*z4)/
    (2*s12*s123*s34*z12*z34) - (3*s24^2*z3*z4)/(2*s12*s124*s34*z12*z34) + 
   (4*s12*z3*z4^2)/(s34^2*z12*z34^2) + (6*s13*z3*z4^2)/(s34^2*z12*z34^2) + 
   (2*s13^2*z3*z4^2)/(s12*s34^2*z12*z34^2) + 
   (6*s14*z3*z4^2)/(s34^2*z12*z34^2) + (4*s13*s14*z3*z4^2)/
    (s12*s34^2*z12*z34^2) + (2*s14^2*z3*z4^2)/(s12*s34^2*z12*z34^2) + 
   (6*s23*z3*z4^2)/(s34^2*z12*z34^2) + (4*s13*s23*z3*z4^2)/
    (s12*s34^2*z12*z34^2) + (4*s14*s23*z3*z4^2)/(s12*s34^2*z12*z34^2) + 
   (2*s23^2*z3*z4^2)/(s12*s34^2*z12*z34^2) + 
   (6*s24*z3*z4^2)/(s34^2*z12*z34^2) + (4*s13*s24*z3*z4^2)/
    (s12*s34^2*z12*z34^2) + (4*s14*s24*z3*z4^2)/(s12*s34^2*z12*z34^2) + 
   (4*s23*s24*z3*z4^2)/(s12*s34^2*z12*z34^2) + 
   (2*s24^2*z3*z4^2)/(s12*s34^2*z12*z34^2) + (4*z3*z4^2)/(s34*z12*z34^2) + 
   (2*s13*z3*z4^2)/(s12*s34*z12*z34^2) + (2*s14*z3*z4^2)/
    (s12*s34*z12*z34^2) + (2*s23*z3*z4^2)/(s12*s34*z12*z34^2) + 
   (2*s24*z3*z4^2)/(s12*s34*z12*z34^2) - z4^2/(2*s123*z12*z34) - 
   (3*z4^2)/(2*s124*z12*z34) - (s13*z4^2)/(2*s12*s123*z12*z34) - 
   (s13*z4^2)/(2*s12*s124*z12*z34) - (s14*z4^2)/(s12*s124*z12*z34) - 
   (s23*z4^2)/(2*s12*s123*z12*z34) - (s23*z4^2)/(2*s12*s124*z12*z34) - 
   (s24*z4^2)/(s12*s124*z12*z34) - (3*s12*z4^2)/(s34^2*z12*z34) - 
   (4*s13*z4^2)/(s34^2*z12*z34) - (s13^2*z4^2)/(s12*s34^2*z12*z34) - 
   (s12^2*z4^2)/(2*s134*s34^2*z12*z34) - (3*s12*s13*z4^2)/
    (4*s134*s34^2*z12*z34) - (s13^2*z4^2)/(4*s134*s34^2*z12*z34) - 
   (5*s14*z4^2)/(s34^2*z12*z34) - (3*s13*s14*z4^2)/(s12*s34^2*z12*z34) - 
   (3*s12*s14*z4^2)/(4*s134*s34^2*z12*z34) - 
   (s13*s14*z4^2)/(2*s134*s34^2*z12*z34) - 
   (2*s14^2*z4^2)/(s12*s34^2*z12*z34) - (s14^2*z4^2)/(4*s134*s34^2*z12*z34) - 
   (4*s23*z4^2)/(s34^2*z12*z34) - (2*s13*s23*z4^2)/(s12*s34^2*z12*z34) - 
   (3*s12*s23*z4^2)/(4*s134*s34^2*z12*z34) - 
   (s13*s23*z4^2)/(2*s134*s34^2*z12*z34) - (3*s14*s23*z4^2)/
    (s12*s34^2*z12*z34) - (s14*s23*z4^2)/(2*s134*s34^2*z12*z34) - 
   (s23^2*z4^2)/(s12*s34^2*z12*z34) - (s23^2*z4^2)/(4*s134*s34^2*z12*z34) - 
   (s12^2*z4^2)/(2*s234*s34^2*z12*z34) - (3*s12*s13*z4^2)/
    (4*s234*s34^2*z12*z34) - (s13^2*z4^2)/(4*s234*s34^2*z12*z34) - 
   (3*s12*s14*z4^2)/(4*s234*s34^2*z12*z34) - 
   (s13*s14*z4^2)/(2*s234*s34^2*z12*z34) - 
   (s14^2*z4^2)/(4*s234*s34^2*z12*z34) - (3*s12*s23*z4^2)/
    (4*s234*s34^2*z12*z34) - (s13*s23*z4^2)/(2*s234*s34^2*z12*z34) - 
   (s14*s23*z4^2)/(2*s234*s34^2*z12*z34) - 
   (s23^2*z4^2)/(4*s234*s34^2*z12*z34) - (5*s24*z4^2)/(s34^2*z12*z34) - 
   (3*s13*s24*z4^2)/(s12*s34^2*z12*z34) - (3*s12*s24*z4^2)/
    (4*s134*s34^2*z12*z34) - (s13*s24*z4^2)/(2*s134*s34^2*z12*z34) - 
   (4*s14*s24*z4^2)/(s12*s34^2*z12*z34) - (s14*s24*z4^2)/
    (2*s134*s34^2*z12*z34) - (3*s23*s24*z4^2)/(s12*s34^2*z12*z34) - 
   (s23*s24*z4^2)/(2*s134*s34^2*z12*z34) - (3*s12*s24*z4^2)/
    (4*s234*s34^2*z12*z34) - (s13*s24*z4^2)/(2*s234*s34^2*z12*z34) - 
   (s14*s24*z4^2)/(2*s234*s34^2*z12*z34) - 
   (s23*s24*z4^2)/(2*s234*s34^2*z12*z34) - 
   (2*s24^2*z4^2)/(s12*s34^2*z12*z34) - (s24^2*z4^2)/(4*s134*s34^2*z12*z34) - 
   (s24^2*z4^2)/(4*s234*s34^2*z12*z34) - (3*z4^2)/(s34*z12*z34) - 
   (s12*z4^2)/(2*s123*s34*z12*z34) - (3*s12*z4^2)/(2*s124*s34*z12*z34) - 
   (s13*z4^2)/(s12*s34*z12*z34) - (s13*z4^2)/(s123*s34*z12*z34) - 
   (2*s13*z4^2)/(s124*s34*z12*z34) - (s13^2*z4^2)/(2*s12*s123*s34*z12*z34) - 
   (s13^2*z4^2)/(2*s12*s124*s34*z12*z34) - (s12*z4^2)/(2*s134*s34*z12*z34) - 
   (s13*z4^2)/(4*s134*s34*z12*z34) - (2*s14*z4^2)/(s12*s34*z12*z34) - 
   (s14*z4^2)/(2*s123*s34*z12*z34) - (5*s14*z4^2)/(2*s124*s34*z12*z34) - 
   (s13*s14*z4^2)/(2*s12*s123*s34*z12*z34) - (3*s13*s14*z4^2)/
    (2*s12*s124*s34*z12*z34) - (s14*z4^2)/(4*s134*s34*z12*z34) - 
   (s14^2*z4^2)/(s12*s124*s34*z12*z34) - (s23*z4^2)/(s12*s34*z12*z34) - 
   (s23*z4^2)/(s123*s34*z12*z34) - (2*s23*z4^2)/(s124*s34*z12*z34) - 
   (s13*s23*z4^2)/(s12*s123*s34*z12*z34) - 
   (s13*s23*z4^2)/(s12*s124*s34*z12*z34) - (s23*z4^2)/(4*s134*s34*z12*z34) - 
   (s14*s23*z4^2)/(2*s12*s123*s34*z12*z34) - (3*s14*s23*z4^2)/
    (2*s12*s124*s34*z12*z34) - (s23^2*z4^2)/(2*s12*s123*s34*z12*z34) - 
   (s23^2*z4^2)/(2*s12*s124*s34*z12*z34) - (s12*z4^2)/(2*s234*s34*z12*z34) - 
   (s13*z4^2)/(4*s234*s34*z12*z34) - (s14*z4^2)/(4*s234*s34*z12*z34) - 
   (s23*z4^2)/(4*s234*s34*z12*z34) - (2*s24*z4^2)/(s12*s34*z12*z34) - 
   (s24*z4^2)/(2*s123*s34*z12*z34) - (5*s24*z4^2)/(2*s124*s34*z12*z34) - 
   (s13*s24*z4^2)/(2*s12*s123*s34*z12*z34) - (3*s13*s24*z4^2)/
    (2*s12*s124*s34*z12*z34) - (s24*z4^2)/(4*s134*s34*z12*z34) - 
   (2*s14*s24*z4^2)/(s12*s124*s34*z12*z34) - 
   (s23*s24*z4^2)/(2*s12*s123*s34*z12*z34) - (3*s23*s24*z4^2)/
    (2*s12*s124*s34*z12*z34) - (s24*z4^2)/(4*s234*s34*z12*z34) - 
   (s24^2*z4^2)/(s12*s124*s34*z12*z34)) + 
 k2k3*(-D/(2*s12) - D/(4*s123) - D/(4*s124) + s13/s12^2 + s13/(2*s12*s123) - 
   (D*s13)/(4*s12*s123) - (D*s13)/(4*s12*s124) + s13^2/(2*s12^2*s123) - 
   D/(4*s134) + (2*s12)/(s123*s134) - (D*s12)/(2*s123*s134) + 
   (D*s12)/(4*s124*s134) + s13/(2*s12*s134) + (D*s13)/(4*s12*s134) + 
   (4*s13)/(s123*s134) - (D*s13)/(2*s123*s134) + (D*s13)/(4*s124*s134) + 
   (2*s13^2)/(s12*s123*s134) + s14/s12^2 + (2*s14)/(s12*s123) - 
   (D*s14)/(2*s12*s123) + (3*s14)/(s123*s124) - (D*s14)/(2*s123*s124) + 
   (2*s13*s14)/(s12*s123*s124) - (D*s13*s14)/(2*s12*s123*s124) - 
   (s13^2*s14)/(s12^2*s123*s124) - s14/(2*s12*s134) + (D*s14)/(4*s12*s134) + 
   (4*s14)/(s123*s134) - (D*s14)/(2*s123*s134) + (D*s14)/(4*s124*s134) + 
   (D*s13*s14)/(2*s12*s123*s134) - (s13*s14)/(s12*s124*s134) + 
   (D*s13*s14)/(4*s12*s124*s134) - (3*s14^2)/(2*s12^2*s124) + 
   (3*s14^2)/(s12*s123*s124) - (D*s14^2)/(2*s12*s123*s124) - 
   (s13*s14^2)/(s12^2*s123*s124) - (2*s14^2)/(s12*s123*s134) + 
   (D*s14^2)/(2*s12*s123*s134) + s14^2/(s12*s124*s134) + 
   (D*s14^2)/(4*s12*s124*s134) - (D*s23)/(4*s12*s123) - 
   (D*s23)/(4*s12*s124) + (s13*s23)/(2*s12^2*s123) + (2*s23)/(s123*s134) - 
   (D*s23)/(2*s123*s134) + (D*s23)/(4*s124*s134) + 
   (2*s13*s23)/(s12*s123*s134) + (3*s14*s23)/(2*s12^2*s124) + 
   (4*s14*s23)/(s12*s123*s124) - (D*s14*s23)/(2*s12*s123*s124) - 
   (s14*s23)/(s12*s124*s134) + (s14^2*s23)/(s12^2*s123*s124) + 
   (s14*s23^2)/(s12^2*s123*s124) - D/(4*s234) + (D*s12)/(4*s123*s234) + 
   (2*s12)/(s124*s234) - (D*s12)/(2*s124*s234) + s13/(s12*s234) - 
   (D*s13)/(4*s12*s234) + (D*s13)/(4*s123*s234) + (2*s13)/(s124*s234) - 
   (D*s13)/(2*s124*s234) - s12/(s134*s234) + (2*s13)/(s134*s234) - 
   (D*s13)/(2*s134*s234) + (2*s14)/(s12*s234) - (D*s14)/(4*s12*s234) + 
   (D*s14)/(4*s123*s234) + (4*s14)/(s124*s234) - (D*s14)/(2*s124*s234) - 
   (s13*s14)/(s12*s123*s234) + (D*s13*s14)/(4*s12*s123*s234) + 
   (D*s13*s14)/(2*s12*s124*s234) + (3*s14)/(s134*s234) - 
   (D*s14)/(2*s134*s234) - s14^2/(s12*s123*s234) + 
   (D*s14^2)/(4*s12*s123*s234) + (D*s14^2)/(2*s12*s124*s234) + 
   (D*s23)/(4*s123*s234) + (2*s23)/(s124*s234) - (D*s23)/(2*s124*s234) + 
   (s14*s23)/(s12*s123*s234) + (2*s14*s23)/(s12*s124*s234) + s24/(s12*s123) - 
   (D*s24)/(2*s12*s123) + s24/(2*s12*s124) + (2*s24)/(s123*s124) - 
   (D*s24)/(2*s123*s124) - (s13*s24)/(2*s12^2*s124) + 
   (2*s13*s24)/(s12*s123*s124) - (D*s13*s24)/(2*s12*s123*s124) + 
   (2*s24)/(s123*s134) - (D*s24)/(2*s123*s134) + (D*s24)/(4*s124*s134) + 
   (D*s13*s24)/(2*s12*s123*s134) + (D*s13*s24)/(4*s12*s124*s134) + 
   (3*s14*s24)/(2*s12^2*s124) + (5*s14*s24)/(s12*s123*s124) - 
   (D*s14*s24)/(s12*s123*s124) - (s13*s14*s24)/(s12^2*s123*s124) - 
   (2*s14*s24)/(s12*s123*s134) + (D*s14*s24)/(2*s12*s123*s134) - 
   (s14*s24)/(s12*s124*s134) + (D*s14*s24)/(4*s12*s124*s134) + 
   (2*s23*s24)/(s12*s123*s124) - (D*s23*s24)/(2*s12*s123*s124) + 
   (s14*s23*s24)/(s12^2*s123*s124) + (D*s24)/(4*s123*s234) + 
   (4*s24)/(s124*s234) - (D*s24)/(2*s124*s234) + 
   (D*s13*s24)/(4*s12*s123*s234) - (2*s13*s24)/(s12*s124*s234) + 
   (D*s13*s24)/(2*s12*s124*s234) - (s14*s24)/(s12*s123*s234) + 
   (D*s14*s24)/(4*s12*s123*s234) + (D*s14*s24)/(2*s12*s124*s234) + 
   (2*s24^2)/(s12*s123*s124) - (D*s24^2)/(2*s12*s123*s124) + s14/s34^2 + 
   (s13*s14)/(s12*s34^2) + (s12*s14)/(2*s134*s34^2) + 
   (3*s13*s14)/(2*s134*s34^2) + (s13^2*s14)/(s12*s134*s34^2) - 
   s14^2/(s12*s34^2) - (2*s13*s14^2)/(s12^2*s34^2) - 
   (3*s14^2)/(2*s134*s34^2) - (s13*s14^2)/(s12*s134*s34^2) - 
   (2*s14^3)/(s12^2*s34^2) - (2*s14^3)/(s12*s134*s34^2) + 
   (2*s14*s23)/(s12*s34^2) + (s13*s14*s23)/(s12^2*s34^2) + 
   (3*s14*s23)/(2*s134*s34^2) + (2*s13*s14*s23)/(s12*s134*s34^2) - 
   (s14^2*s23)/(s12^2*s34^2) - (s14^2*s23)/(s12*s134*s34^2) + 
   (s14*s23^2)/(s12^2*s34^2) + (s14*s23^2)/(s12*s134*s34^2) + 
   (s12*s14*s23)/(s134*s234*s34^2) + (s13*s14*s23)/(s134*s234*s34^2) + 
   (s14^2*s23)/(s134*s234*s34^2) + (s14*s23^2)/(s134*s234*s34^2) + 
   s24/s34^2 - (s13^2*s24)/(s12^2*s34^2) - (s13*s24)/(2*s134*s34^2) - 
   (s13^2*s24)/(2*s12*s134*s34^2) + (2*s14*s24)/(s12*s34^2) - 
   (s13*s14*s24)/(s12^2*s34^2) - (2*s14^2*s24)/(s12^2*s34^2) - 
   (5*s14^2*s24)/(2*s12*s134*s34^2) + (s23*s24)/(s12*s34^2) - 
   (s13*s23*s24)/(s12^2*s34^2) - (s13*s23*s24)/(2*s12*s134*s34^2) + 
   (s14*s23*s24)/(s12^2*s34^2) + (s14*s23*s24)/(2*s12*s134*s34^2) + 
   (s12*s24)/(2*s234*s34^2) - (s13^2*s24)/(2*s12*s234*s34^2) - 
   (s13*s14*s24)/(s12*s234*s34^2) - (s12*s14*s24)/(s134*s234*s34^2) - 
   (s13*s14*s24)/(s134*s234*s34^2) - (s14^2*s24)/(2*s12*s234*s34^2) - 
   (s14^2*s24)/(s134*s234*s34^2) + (s23*s24)/(2*s234*s34^2) - 
   (s13*s23*s24)/(2*s12*s234*s34^2) - (s14*s23*s24)/(2*s12*s234*s34^2) + 
   s24^2/(s12*s34^2) - (s13*s24^2)/(s12^2*s34^2) - 
   (s13*s24^2)/(2*s12*s134*s34^2) - (s14*s24^2)/(2*s12*s134*s34^2) + 
   s24^2/(2*s234*s34^2) - (s13*s24^2)/(2*s12*s234*s34^2) - 
   (s14*s24^2)/(2*s12*s234*s34^2) - (s14*s24^2)/(s134*s234*s34^2) - 
   D/(2*s34) + s13/(s12*s34) - (D*s13)/(2*s12*s34) + s13^2/(s12^2*s34) - 
   (D*s12)/(4*s134*s34) + s13/(2*s134*s34) + s13^2/(2*s12*s134*s34) + 
   (D*s13^2)/(4*s12*s134*s34) + (2*s14)/(s12*s34) - (D*s14)/(2*s12*s34) + 
   (2*s14)/(s123*s34) - (D*s14)/(4*s123*s34) - s14/(2*s124*s34) + 
   (D*s14)/(4*s124*s34) + (2*s13*s14)/(s12^2*s34) + 
   (3*s13*s14)/(2*s12*s123*s34) - (D*s13*s14)/(4*s12*s123*s34) - 
   (s13*s14)/(s12*s124*s34) + (D*s13*s14)/(4*s12*s124*s34) - 
   (s13^2*s14)/(2*s12^2*s123*s34) - (s13^2*s14)/(2*s12^2*s124*s34) + 
   (2*s12*s14)/(s123*s134*s34) + (s13*s14)/(s12*s134*s34) + 
   (D*s13*s14)/(2*s12*s134*s34) + (D*s13*s14)/(2*s123*s134*s34) - 
   (s13*s14)/(s124*s134*s34) + (D*s13*s14)/(4*s124*s134*s34) - 
   (2*s13^2*s14)/(s12*s123*s134*s34) + (D*s13^2*s14)/(2*s12*s123*s134*s34) - 
   (s13^2*s14)/(s12*s124*s134*s34) + (D*s13^2*s14)/(4*s12*s124*s134*s34) - 
   s14^2/(s12^2*s34) + (2*s14^2)/(s12*s123*s34) - 
   (D*s14^2)/(4*s12*s123*s34) - (5*s14^2)/(2*s12*s124*s34) + 
   (D*s14^2)/(4*s12*s124*s34) - (s13*s14^2)/(2*s12^2*s123*s34) - 
   (5*s13*s14^2)/(2*s12^2*s124*s34) - (5*s14^2)/(2*s12*s134*s34) + 
   (D*s14^2)/(4*s12*s134*s34) + (D*s14^2)/(2*s123*s134*s34) + 
   s14^2/(s124*s134*s34) + (D*s14^2)/(4*s124*s134*s34) - 
   (4*s13*s14^2)/(s12*s123*s134*s34) + (D*s13*s14^2)/(s12*s123*s134*s34) + 
   (D*s13*s14^2)/(2*s12*s124*s134*s34) - (2*s14^3)/(s12^2*s124*s34) - 
   (2*s14^3)/(s12*s123*s134*s34) + (D*s14^3)/(2*s12*s123*s134*s34) + 
   s14^3/(s12*s124*s134*s34) + (D*s14^3)/(4*s12*s124*s134*s34) - 
   (D*s23)/(2*s12*s34) + (s13*s23)/(s12^2*s34) - (D*s23)/(4*s134*s34) + 
   (s13*s23)/(2*s12*s134*s34) + (D*s13*s23)/(4*s12*s134*s34) + 
   (2*s14*s23)/(s12^2*s34) + (2*s14*s23)/(s12*s123*s34) - 
   (D*s14*s23)/(4*s12*s123*s34) + (s14*s23)/(2*s12*s124*s34) + 
   (D*s14*s23)/(4*s12*s124*s34) - (s13*s14*s23)/(2*s12^2*s123*s34) + 
   (s13*s14*s23)/(2*s12^2*s124*s34) + (s14*s23)/(2*s12*s134*s34) + 
   (D*s14*s23)/(4*s12*s134*s34) + (2*s14*s23)/(s123*s134*s34) - 
   (s14*s23)/(s124*s134*s34) - (2*s13*s14*s23)/(s12*s123*s134*s34) + 
   (D*s13*s14*s23)/(2*s12*s123*s134*s34) - (2*s13*s14*s23)/
    (s12*s124*s134*s34) + (D*s13*s14*s23)/(4*s12*s124*s134*s34) - 
   (s14^2*s23)/(s12^2*s124*s34) - (2*s14^2*s23)/(s12*s123*s134*s34) + 
   (D*s14^2*s23)/(2*s12*s123*s134*s34) + (D*s14^2*s23)/
    (4*s12*s124*s134*s34) + (s14*s23^2)/(s12^2*s124*s34) - 
   (s14*s23^2)/(s12*s124*s134*s34) - (D*s12)/(4*s234*s34) + s13/(s234*s34) - 
   (D*s13)/(2*s234*s34) + s13^2/(s12*s234*s34) - (D*s13^2)/(4*s12*s234*s34) - 
   s12^2/(s134*s234*s34) + (s12*s13)/(s134*s234*s34) - 
   (D*s12*s13)/(2*s134*s234*s34) + (2*s13^2)/(s134*s234*s34) - 
   (D*s13^2)/(2*s134*s234*s34) + (2*s14)/(s234*s34) - (D*s14)/(2*s234*s34) + 
   (3*s13*s14)/(s12*s234*s34) - (D*s13*s14)/(2*s12*s234*s34) - 
   (s13*s14)/(s123*s234*s34) + (D*s13*s14)/(4*s123*s234*s34) - 
   (2*s13*s14)/(s124*s234*s34) + (D*s13*s14)/(2*s124*s234*s34) - 
   (s13^2*s14)/(s12*s123*s234*s34) + (D*s13^2*s14)/(4*s12*s123*s234*s34) - 
   (2*s13^2*s14)/(s12*s124*s234*s34) + (D*s13^2*s14)/(2*s12*s124*s234*s34) + 
   (2*s12*s14)/(s134*s234*s34) - (D*s12*s14)/(2*s134*s234*s34) + 
   (5*s13*s14)/(s134*s234*s34) - (D*s13*s14)/(s134*s234*s34) + 
   (2*s14^2)/(s12*s234*s34) - (D*s14^2)/(4*s12*s234*s34) - 
   s14^2/(s123*s234*s34) + (D*s14^2)/(4*s123*s234*s34) - 
   (2*s14^2)/(s124*s234*s34) + (D*s14^2)/(2*s124*s234*s34) - 
   (2*s13*s14^2)/(s12*s123*s234*s34) + (D*s13*s14^2)/(2*s12*s123*s234*s34) - 
   (4*s13*s14^2)/(s12*s124*s234*s34) + (D*s13*s14^2)/(s12*s124*s234*s34) + 
   (3*s14^2)/(s134*s234*s34) - (D*s14^2)/(2*s134*s234*s34) - 
   s14^3/(s12*s123*s234*s34) + (D*s14^3)/(4*s12*s123*s234*s34) - 
   (2*s14^3)/(s12*s124*s234*s34) + (D*s14^3)/(2*s12*s124*s234*s34) - 
   (D*s23)/(4*s234*s34) + (s13*s23)/(s12*s234*s34) - 
   (D*s13*s23)/(4*s12*s234*s34) - (s12*s23)/(s134*s234*s34) + 
   (2*s13*s23)/(s134*s234*s34) - (D*s13*s23)/(2*s134*s234*s34) + 
   (2*s14*s23)/(s12*s234*s34) - (D*s14*s23)/(4*s12*s234*s34) + 
   (s14*s23)/(s123*s234*s34) + (D*s13*s14*s23)/(4*s12*s123*s234*s34) - 
   (2*s13*s14*s23)/(s12*s124*s234*s34) + (D*s13*s14*s23)/
    (2*s12*s124*s234*s34) + (4*s14*s23)/(s134*s234*s34) - 
   (D*s14*s23)/(2*s134*s234*s34) + (D*s14^2*s23)/(4*s12*s123*s234*s34) - 
   (2*s14^2*s23)/(s12*s124*s234*s34) + (D*s14^2*s23)/(2*s12*s124*s234*s34) + 
   (s14*s23^2)/(s12*s123*s234*s34) + s24/(s12*s34) - (D*s24)/(2*s12*s34) + 
   s24/(s123*s34) - (D*s24)/(4*s123*s34) + s24/(2*s124*s34) + 
   (D*s24)/(4*s124*s34) + (s13*s24)/(2*s12*s123*s34) - 
   (D*s13*s24)/(4*s12*s123*s34) + (D*s13*s24)/(4*s12*s124*s34) - 
   (s13^2*s24)/(2*s12^2*s123*s34) - (s13^2*s24)/(2*s12^2*s124*s34) - 
   (D*s24)/(4*s134*s34) + (D*s13*s24)/(4*s12*s134*s34) - 
   (2*s13*s24)/(s123*s134*s34) + (D*s13*s24)/(2*s123*s134*s34) + 
   (D*s13*s24)/(4*s124*s134*s34) - (2*s13^2*s24)/(s12*s123*s134*s34) + 
   (D*s13^2*s24)/(2*s12*s123*s134*s34) + (D*s13^2*s24)/
    (4*s12*s124*s134*s34) + (s14*s24)/(s12^2*s34) + 
   (3*s14*s24)/(s12*s123*s34) - (D*s14*s24)/(2*s12*s123*s34) + 
   (s14*s24)/(s12*s124*s34) + (D*s14*s24)/(2*s12*s124*s34) - 
   (s13*s14*s24)/(s12^2*s123*s34) - (s14*s24)/(s12*s134*s34) + 
   (D*s14*s24)/(4*s12*s134*s34) + (D*s14*s24)/(2*s123*s134*s34) - 
   (s14*s24)/(s124*s134*s34) + (D*s14*s24)/(4*s124*s134*s34) - 
   (6*s13*s14*s24)/(s12*s123*s134*s34) + (3*D*s13*s14*s24)/
    (2*s12*s123*s134*s34) - (2*s13*s14*s24)/(s12*s124*s134*s34) + 
   (3*D*s13*s14*s24)/(4*s12*s124*s134*s34) - (s14^2*s24)/(s12^2*s124*s34) - 
   (4*s14^2*s24)/(s12*s123*s134*s34) + (D*s14^2*s24)/(s12*s123*s134*s34) + 
   (D*s14^2*s24)/(2*s12*s124*s134*s34) + (s23*s24)/(s12*s123*s34) - 
   (D*s23*s24)/(4*s12*s123*s34) + (s23*s24)/(2*s12*s124*s34) + 
   (D*s23*s24)/(4*s12*s124*s34) - (s13*s23*s24)/(2*s12^2*s123*s34) - 
   (s13*s23*s24)/(2*s12^2*s124*s34) - (2*s13*s23*s24)/(s12*s123*s134*s34) + 
   (D*s13*s23*s24)/(2*s12*s123*s134*s34) + (D*s13*s23*s24)/
    (4*s12*s124*s134*s34) + (2*s14*s23*s24)/(s12^2*s124*s34) - 
   (2*s14*s23*s24)/(s12*s123*s134*s34) + (D*s14*s23*s24)/
    (2*s12*s123*s134*s34) - (2*s14*s23*s24)/(s12*s124*s134*s34) + 
   (D*s14*s23*s24)/(4*s12*s124*s134*s34) + s24/(2*s234*s34) - 
   (D*s24)/(4*s234*s34) + (2*s12*s24)/(s124*s234*s34) + 
   (s13*s24)/(2*s12*s234*s34) - (D*s13*s24)/(4*s12*s234*s34) + 
   (D*s13*s24)/(4*s123*s234*s34) + (D*s13*s24)/(2*s124*s234*s34) + 
   (D*s13^2*s24)/(4*s12*s123*s234*s34) - (2*s13^2*s24)/(s12*s124*s234*s34) + 
   (D*s13^2*s24)/(2*s12*s124*s234*s34) - (s12*s24)/(s134*s234*s34) + 
   (2*s13*s24)/(s134*s234*s34) - (D*s13*s24)/(2*s134*s234*s34) + 
   (3*s14*s24)/(2*s12*s234*s34) - (D*s14*s24)/(4*s12*s234*s34) - 
   (s14*s24)/(s123*s234*s34) + (D*s14*s24)/(4*s123*s234*s34) + 
   (D*s14*s24)/(2*s124*s234*s34) - (2*s13*s14*s24)/(s12*s123*s234*s34) + 
   (3*D*s13*s14*s24)/(4*s12*s123*s234*s34) - 
   (6*s13*s14*s24)/(s12*s124*s234*s34) + (3*D*s13*s14*s24)/
    (2*s12*s124*s234*s34) + (2*s14*s24)/(s134*s234*s34) - 
   (D*s14*s24)/(2*s134*s234*s34) - (2*s14^2*s24)/(s12*s123*s234*s34) + 
   (D*s14^2*s24)/(2*s12*s123*s234*s34) - (4*s14^2*s24)/(s12*s124*s234*s34) + 
   (D*s14^2*s24)/(s12*s124*s234*s34) + (2*s23*s24)/(s124*s234*s34) + 
   (D*s13*s23*s24)/(4*s12*s123*s234*s34) - (2*s13*s23*s24)/
    (s12*s124*s234*s34) + (D*s13*s23*s24)/(2*s12*s124*s234*s34) + 
   (D*s14*s23*s24)/(4*s12*s123*s234*s34) - (2*s14*s23*s24)/
    (s12*s124*s234*s34) + (D*s14*s23*s24)/(2*s12*s124*s234*s34) + 
   s24^2/(s12*s123*s34) - (D*s24^2)/(4*s12*s123*s34) + 
   s24^2/(2*s12*s124*s34) + (D*s24^2)/(4*s12*s124*s34) - 
   (s13*s24^2)/(2*s12^2*s123*s34) - (s13*s24^2)/(2*s12^2*s124*s34) - 
   (2*s13*s24^2)/(s12*s123*s134*s34) + (D*s13*s24^2)/(2*s12*s123*s134*s34) + 
   (D*s13*s24^2)/(4*s12*s124*s134*s34) + (s14*s24^2)/(s12^2*s124*s34) - 
   (2*s14*s24^2)/(s12*s123*s134*s34) + (D*s14*s24^2)/(2*s12*s123*s134*s34) - 
   (s14*s24^2)/(s12*s124*s134*s34) + (D*s14*s24^2)/(4*s12*s124*s134*s34) + 
   (2*s24^2)/(s124*s234*s34) + (D*s13*s24^2)/(4*s12*s123*s234*s34) - 
   (2*s13*s24^2)/(s12*s124*s234*s34) + (D*s13*s24^2)/(2*s12*s124*s234*s34) - 
   (s14*s24^2)/(s12*s123*s234*s34) + (D*s14*s24^2)/(4*s12*s123*s234*s34) - 
   (2*s14*s24^2)/(s12*s124*s234*s34) + (D*s14*s24^2)/(2*s12*s124*s234*s34) - 
   (D*s34)/(4*s12*s123) - (D*s34)/(4*s12*s124) - s34/(s123*s124) + 
   (s13*s34)/(2*s12^2*s123) - (s13*s34)/(s12*s123*s124) + 
   (2*s34)/(s123*s134) - (D*s34)/(2*s123*s134) + (D*s34)/(4*s124*s134) + 
   (2*s13*s34)/(s12*s123*s134) + (s14*s34)/(2*s12^2*s124) + 
   (2*s14*s34)/(s12*s123*s124) - (D*s14*s34)/(2*s12*s123*s124) - 
   (s13*s14*s34)/(s12^2*s123*s124) - (s23*s34)/(s12*s123*s124) + 
   (s14*s23*s34)/(s12^2*s123*s124) + (D*s34)/(4*s123*s234) + 
   (2*s34)/(s124*s234) - (D*s34)/(2*s124*s234) + 
   (2*s14*s34)/(s12*s124*s234) + (s24*s34)/(s12*s123*s124) - 
   (D*s24*s34)/(2*s12*s123*s124) - s34^2/(s12*s123*s124) + z1/(s12*z12) - 
   (s13*z1)/(s12^2*z12) - (s13*z1)/(2*s12*s123*z12) - 
   (s13^2*z1)/(2*s12^2*s123*z12) - (s12*z1)/(s123*s134*z12) + 
   (s12*z1)/(2*s124*s134*z12) - (3*s13*z1)/(4*s12*s134*z12) - 
   (2*s13*z1)/(s123*s134*z12) + (s13*z1)/(2*s124*s134*z12) - 
   (s13^2*z1)/(s12*s123*s134*z12) - (s14*z1)/(s12^2*z12) + 
   (s14*z1)/(s12*s123*z12) + (3*s14*z1)/(2*s12*s124*z12) + 
   (s14*z1)/(s123*s124*z12) + (2*s13*s14*z1)/(s12*s123*s124*z12) + 
   (s13^2*s14*z1)/(s12^2*s123*s124*z12) - (3*s14*z1)/(4*s12*s134*z12) + 
   (s14*z1)/(s123*s134*z12) + (s13*s14*z1)/(s12*s123*s134*z12) + 
   (s13*s14*z1)/(2*s12*s124*s134*z12) + (3*s14^2*z1)/(2*s12^2*s124*z12) + 
   (s14^2*z1)/(s12*s123*s124*z12) + (s13*s14^2*z1)/(s12^2*s123*s124*z12) - 
   (s14^2*z1)/(2*s12*s124*s134*z12) - (2*s23*z1)/(s12^2*z12) - 
   (s23*z1)/(s12*s123*z12) - (3*s13*s23*z1)/(2*s12^2*s123*z12) - 
   (3*s23*z1)/(4*s12*s134*z12) - (2*s23*z1)/(s123*s134*z12) + 
   (s23*z1)/(2*s124*s134*z12) - (2*s13*s23*z1)/(s12*s123*s134*z12) + 
   (s14*s23*z1)/(2*s12^2*s124*z12) + (2*s14*s23*z1)/(s12*s123*s124*z12) + 
   (2*s13*s14*s23*z1)/(s12^2*s123*s124*z12) + 
   (s14*s23*z1)/(s12*s123*s134*z12) + (s14*s23*z1)/(2*s12*s124*s134*z12) + 
   (s14^2*s23*z1)/(s12^2*s123*s124*z12) - (s23^2*z1)/(s12^2*s123*z12) - 
   (s23^2*z1)/(s12*s123*s134*z12) + (s14*s23^2*z1)/(s12^2*s123*s124*z12) + 
   (s12*z1)/(2*s123*s234*z12) - (s12*z1)/(s124*s234*z12) - 
   (s13*z1)/(4*s12*s234*z12) + (s13*z1)/(s123*s234*z12) - 
   (s13*z1)/(s124*s234*z12) + (s13^2*z1)/(2*s12*s123*s234*z12) - 
   (s14*z1)/(4*s12*s234*z12) + (s14*z1)/(2*s123*s234*z12) - 
   (2*s14*z1)/(s124*s234*z12) + (s13*s14*z1)/(2*s12*s123*s234*z12) - 
   (s13*s14*z1)/(s12*s124*s234*z12) - (s14^2*z1)/(s12*s124*s234*z12) - 
   (3*s23*z1)/(4*s12*s234*z12) + (s23*z1)/(s123*s234*z12) - 
   (s23*z1)/(s124*s234*z12) + (s13*s23*z1)/(s12*s123*s234*z12) + 
   (s14*s23*z1)/(2*s12*s123*s234*z12) - (s14*s23*z1)/(s12*s124*s234*z12) + 
   (s23^2*z1)/(2*s12*s123*s234*z12) - (2*s24*z1)/(s12^2*z12) - 
   (3*s13*s24*z1)/(2*s12^2*s124*z12) - (3*s24*z1)/(4*s12*s134*z12) - 
   (s24*z1)/(s123*s134*z12) + (s24*z1)/(s124*s134*z12) - 
   (s13*s24*z1)/(s12*s123*s134*z12) + (s13*s24*z1)/(2*s12*s124*s134*z12) + 
   (3*s14*s24*z1)/(2*s12^2*s124*z12) + (s14*s24*z1)/(s12*s123*s124*z12) + 
   (s13*s14*s24*z1)/(s12^2*s123*s124*z12) - (s23*s24*z1)/(s12^2*s124*z12) - 
   (s23*s24*z1)/(s12*s123*s134*z12) + (s23*s24*z1)/(2*s12*s124*s134*z12) + 
   (s14*s23*s24*z1)/(s12^2*s123*s124*z12) - (3*s24*z1)/(4*s12*s234*z12) - 
   (s24*z1)/(2*s123*s234*z12) - (s13*s24*z1)/(2*s12*s123*s234*z12) - 
   (s13*s24*z1)/(s12*s124*s234*z12) - (s23*s24*z1)/(2*s12*s123*s234*z12) - 
   (s23*s24*z1)/(s12*s124*s234*z12) + (s24^2*z1)/(2*s12*s124*s134*z12) + 
   (s24^2*z1)/(s12*s124*s234*z12) + (2*s14*z1)/(s34^2*z12) + 
   (2*s13*s14*z1)/(s12*s34^2*z12) + (s12*s14*z1)/(s134*s34^2*z12) + 
   (s13*s14*z1)/(s134*s34^2*z12) + (4*s14^2*z1)/(s12*s34^2*z12) + 
   (2*s13*s14^2*z1)/(s12^2*s34^2*z12) + (2*s14^2*z1)/(s134*s34^2*z12) + 
   (s13*s14^2*z1)/(s12*s134*s34^2*z12) + (2*s14^3*z1)/(s12^2*s34^2*z12) + 
   (s14^3*z1)/(s12*s134*s34^2*z12) + (3*s14*s23*z1)/(s12*s34^2*z12) + 
   (s13*s14*s23*z1)/(s12^2*s34^2*z12) + (3*s14*s23*z1)/(2*s134*s34^2*z12) + 
   (s13*s14*s23*z1)/(2*s12*s134*s34^2*z12) + (3*s14^2*s23*z1)/
    (s12^2*s34^2*z12) + (3*s14^2*s23*z1)/(2*s12*s134*s34^2*z12) + 
   (s14*s23^2*z1)/(s12^2*s34^2*z12) + (s14*s23^2*z1)/(2*s12*s134*s34^2*z12) - 
   (s14*s23*z1)/(2*s234*s34^2*z12) - (s13*s14*s23*z1)/
    (2*s12*s234*s34^2*z12) - (s14^2*s23*z1)/(2*s12*s234*s34^2*z12) - 
   (s14*s23^2*z1)/(2*s12*s234*s34^2*z12) + (s24*z1)/(s34^2*z12) - 
   (s13^2*s24*z1)/(s12^2*s34^2*z12) - (3*s13*s24*z1)/(4*s134*s34^2*z12) - 
   (3*s13^2*s24*z1)/(4*s12*s134*s34^2*z12) + (7*s14*s24*z1)/(s12*s34^2*z12) + 
   (3*s13*s14*s24*z1)/(s12^2*s34^2*z12) + (9*s14*s24*z1)/(4*s134*s34^2*z12) + 
   (s13*s14*s24*z1)/(2*s12*s134*s34^2*z12) + (6*s14^2*s24*z1)/
    (s12^2*s34^2*z12) + (9*s14^2*s24*z1)/(4*s12*s134*s34^2*z12) + 
   (s23*s24*z1)/(s12*s34^2*z12) - (s13*s23*s24*z1)/(s12^2*s34^2*z12) - 
   (s23*s24*z1)/(4*s134*s34^2*z12) - (s13*s23*s24*z1)/(s12*s134*s34^2*z12) + 
   (5*s14*s23*s24*z1)/(s12^2*s34^2*z12) + (3*s14*s23*s24*z1)/
    (2*s12*s134*s34^2*z12) - (s23^2*s24*z1)/(4*s12*s134*s34^2*z12) + 
   (s12*s24*z1)/(s234*s34^2*z12) + (5*s13*s24*z1)/(4*s234*s34^2*z12) + 
   (s13^2*s24*z1)/(4*s12*s234*s34^2*z12) + 
   (9*s14*s24*z1)/(4*s234*s34^2*z12) + (3*s13*s14*s24*z1)/
    (2*s12*s234*s34^2*z12) + (5*s14^2*s24*z1)/(4*s12*s234*s34^2*z12) + 
   (3*s23*s24*z1)/(4*s234*s34^2*z12) + (s14*s23*s24*z1)/
    (2*s12*s234*s34^2*z12) - (s23^2*s24*z1)/(4*s12*s234*s34^2*z12) + 
   (3*s24^2*z1)/(s12*s34^2*z12) + (s13*s24^2*z1)/(s12^2*s34^2*z12) + 
   (s24^2*z1)/(4*s134*s34^2*z12) - (s13*s24^2*z1)/(2*s12*s134*s34^2*z12) + 
   (6*s14*s24^2*z1)/(s12^2*s34^2*z12) + (3*s14*s24^2*z1)/
    (2*s12*s134*s34^2*z12) + (2*s23*s24^2*z1)/(s12^2*s34^2*z12) + 
   (9*s24^2*z1)/(4*s234*s34^2*z12) + (3*s13*s24^2*z1)/
    (2*s12*s234*s34^2*z12) + (5*s14*s24^2*z1)/(2*s12*s234*s34^2*z12) + 
   (s23*s24^2*z1)/(s12*s234*s34^2*z12) + (2*s24^3*z1)/(s12^2*s34^2*z12) + 
   (s24^3*z1)/(4*s12*s134*s34^2*z12) + (5*s24^3*z1)/(4*s12*s234*s34^2*z12) + 
   z1/(s34*z12) - (s13^2*z1)/(s12^2*s34*z12) - (3*s13*z1)/(4*s134*s34*z12) - 
   (3*s13^2*z1)/(4*s12*s134*s34*z12) + (2*s14*z1)/(s12*s34*z12) + 
   (s14*z1)/(s123*s34*z12) + (2*s14*z1)/(s124*s34*z12) - 
   (2*s13*s14*z1)/(s12^2*s34*z12) + (3*s13*s14*z1)/(2*s12*s123*s34*z12) + 
   (5*s13*s14*z1)/(2*s12*s124*s34*z12) + (s13^2*s14*z1)/
    (2*s12^2*s123*s34*z12) + (s13^2*s14*z1)/(2*s12^2*s124*s34*z12) + 
   (s14*z1)/(4*s134*s34*z12) + (2*s12*s14*z1)/(s123*s134*s34*z12) - 
   (s12*s14*z1)/(s124*s134*s34*z12) - (3*s13*s14*z1)/(2*s12*s134*s34*z12) + 
   (4*s13*s14*z1)/(s123*s134*s34*z12) - (s13*s14*z1)/(s124*s134*s34*z12) + 
   (2*s13^2*s14*z1)/(s12*s123*s134*s34*z12) + (s14^2*z1)/(s12^2*s34*z12) + 
   (s14^2*z1)/(s12*s123*s34*z12) + (4*s14^2*z1)/(s12*s124*s34*z12) + 
   (s13*s14^2*z1)/(2*s12^2*s123*s34*z12) + (5*s13*s14^2*z1)/
    (2*s12^2*s124*s34*z12) + (s14^2*z1)/(4*s12*s134*s34*z12) + 
   (2*s14^2*z1)/(s123*s134*s34*z12) - (2*s14^2*z1)/(s124*s134*s34*z12) + 
   (2*s13*s14^2*z1)/(s12*s123*s134*s34*z12) - 
   (s13*s14^2*z1)/(s12*s124*s134*s34*z12) + 
   (2*s14^3*z1)/(s12^2*s124*s34*z12) - (s14^3*z1)/(s12*s124*s134*s34*z12) - 
   (s23*z1)/(s12*s34*z12) - (3*s13*s23*z1)/(s12^2*s34*z12) - 
   (3*s23*z1)/(4*s134*s34*z12) - (3*s13*s23*z1)/(2*s12*s134*s34*z12) - 
   (2*s14*s23*z1)/(s12^2*s34*z12) + (2*s14*s23*z1)/(s12*s123*s34*z12) + 
   (3*s14*s23*z1)/(s12*s124*s34*z12) + (3*s13*s14*s23*z1)/
    (2*s12^2*s123*s34*z12) + (3*s13*s14*s23*z1)/(2*s12^2*s124*s34*z12) - 
   (s14*s23*z1)/(s12*s134*s34*z12) + (4*s14*s23*z1)/(s123*s134*s34*z12) - 
   (s14*s23*z1)/(s124*s134*s34*z12) + (4*s13*s14*s23*z1)/
    (s12*s123*s134*s34*z12) + (s14^2*s23*z1)/(s12^2*s123*s34*z12) + 
   (3*s14^2*s23*z1)/(s12^2*s124*s34*z12) + (2*s14^2*s23*z1)/
    (s12*s123*s134*s34*z12) - (s14^2*s23*z1)/(s12*s124*s134*s34*z12) - 
   (2*s23^2*z1)/(s12^2*s34*z12) - (3*s23^2*z1)/(4*s12*s134*s34*z12) + 
   (s14*s23^2*z1)/(s12^2*s123*s34*z12) + (s14*s23^2*z1)/
    (s12^2*s124*s34*z12) + (2*s14*s23^2*z1)/(s12*s123*s134*s34*z12) - 
   (s13*z1)/(4*s234*s34*z12) - (s13^2*z1)/(4*s12*s234*s34*z12) - 
   (s14*z1)/(4*s234*s34*z12) - (s13*s14*z1)/(2*s12*s234*s34*z12) - 
   (s14^2*z1)/(4*s12*s234*s34*z12) - (3*s23*z1)/(4*s234*s34*z12) - 
   (s13*s23*z1)/(s12*s234*s34*z12) - (3*s14*s23*z1)/(2*s12*s234*s34*z12) - 
   (3*s23^2*z1)/(4*s12*s234*s34*z12) + (s24*z1)/(s124*s34*z12) - 
   (4*s13*s24*z1)/(s12^2*s34*z12) + (s13*s24*z1)/(2*s12*s123*s34*z12) + 
   (s13*s24*z1)/(2*s12*s124*s34*z12) + (s13^2*s24*z1)/
    (2*s12^2*s123*s34*z12) - (s13^2*s24*z1)/(2*s12^2*s124*s34*z12) - 
   (3*s24*z1)/(4*s134*s34*z12) - (9*s13*s24*z1)/(4*s12*s134*s34*z12) + 
   (s14*s24*z1)/(s12^2*s34*z12) + (s14*s24*z1)/(s12*s123*s34*z12) + 
   (6*s14*s24*z1)/(s12*s124*s34*z12) + (s13*s14*s24*z1)/
    (s12^2*s123*s34*z12) + (3*s13*s14*s24*z1)/(s12^2*s124*s34*z12) - 
   (s14*s24*z1)/(4*s12*s134*s34*z12) + (2*s14*s24*z1)/(s123*s134*s34*z12) - 
   (2*s14*s24*z1)/(s124*s134*s34*z12) + (2*s13*s14*s24*z1)/
    (s12*s123*s134*s34*z12) - (s13*s14*s24*z1)/(s12*s124*s134*s34*z12) + 
   (5*s14^2*s24*z1)/(s12^2*s124*s34*z12) - (2*s14^2*s24*z1)/
    (s12*s124*s134*s34*z12) - (4*s23*s24*z1)/(s12^2*s34*z12) + 
   (s23*s24*z1)/(s12*s123*s34*z12) + (s23*s24*z1)/(s12*s124*s34*z12) + 
   (3*s13*s23*s24*z1)/(2*s12^2*s123*s34*z12) - 
   (s13*s23*s24*z1)/(2*s12^2*s124*s34*z12) - 
   (7*s23*s24*z1)/(4*s12*s134*s34*z12) + (2*s14*s23*s24*z1)/
    (s12^2*s123*s34*z12) + (4*s14*s23*s24*z1)/(s12^2*s124*s34*z12) + 
   (2*s14*s23*s24*z1)/(s12*s123*s134*s34*z12) - 
   (s14*s23*s24*z1)/(s12*s124*s134*s34*z12) + 
   (s23^2*s24*z1)/(s12^2*s123*s34*z12) + (s24*z1)/(4*s234*s34*z12) - 
   (s12*s24*z1)/(s123*s234*s34*z12) + (2*s12*s24*z1)/(s124*s234*s34*z12) - 
   (3*s13*s24*z1)/(4*s12*s234*s34*z12) - (2*s13*s24*z1)/(s123*s234*s34*z12) + 
   (2*s13*s24*z1)/(s124*s234*s34*z12) - (s13^2*s24*z1)/
    (s12*s123*s234*s34*z12) + (s14*s24*z1)/(4*s12*s234*s34*z12) - 
   (s14*s24*z1)/(s123*s234*s34*z12) + (4*s14*s24*z1)/(s124*s234*s34*z12) - 
   (s13*s14*s24*z1)/(s12*s123*s234*s34*z12) + (2*s13*s14*s24*z1)/
    (s12*s124*s234*s34*z12) + (2*s14^2*s24*z1)/(s12*s124*s234*s34*z12) - 
   (7*s23*s24*z1)/(4*s12*s234*s34*z12) - (2*s23*s24*z1)/(s123*s234*s34*z12) + 
   (2*s23*s24*z1)/(s124*s234*s34*z12) - (2*s13*s23*s24*z1)/
    (s12*s123*s234*s34*z12) - (s14*s23*s24*z1)/(s12*s123*s234*s34*z12) + 
   (2*s14*s23*s24*z1)/(s12*s124*s234*s34*z12) - 
   (s23^2*s24*z1)/(s12*s123*s234*s34*z12) + (2*s24^2*z1)/(s12*s124*s34*z12) + 
   (s13*s24^2*z1)/(2*s12^2*s123*s34*z12) + 
   (s13*s24^2*z1)/(2*s12^2*s124*s34*z12) - (s24^2*z1)/(2*s12*s134*s34*z12) + 
   (4*s14*s24^2*z1)/(s12^2*s124*s34*z12) - 
   (s14*s24^2*z1)/(s12*s124*s134*s34*z12) + 
   (s23*s24^2*z1)/(s12^2*s123*s34*z12) + (s23*s24^2*z1)/
    (s12^2*s124*s34*z12) + (s24^2*z1)/(2*s12*s234*s34*z12) - 
   (s24^2*z1)/(s123*s234*s34*z12) + (4*s24^2*z1)/(s124*s234*s34*z12) - 
   (s13*s24^2*z1)/(s12*s123*s234*s34*z12) + (2*s13*s24^2*z1)/
    (s12*s124*s234*s34*z12) + (4*s14*s24^2*z1)/(s12*s124*s234*s34*z12) - 
   (s23*s24^2*z1)/(s12*s123*s234*s34*z12) + (2*s23*s24^2*z1)/
    (s12*s124*s234*s34*z12) + (s24^3*z1)/(s12^2*s124*s34*z12) + 
   (2*s24^3*z1)/(s12*s124*s234*s34*z12) - (s13*s34*z1)/(2*s12^2*s123*z12) - 
   (s34*z1)/(s123*s134*z12) + (s34*z1)/(2*s124*s134*z12) - 
   (s13*s34*z1)/(s12*s123*s134*z12) - (s14*s34*z1)/(2*s12^2*s124*z12) + 
   (s14*s34*z1)/(s12*s123*s124*z12) + (s13*s14*s34*z1)/
    (s12^2*s123*s124*z12) + (s14*s34*z1)/(2*s12*s124*s134*z12) - 
   (s23*s34*z1)/(s12^2*s123*z12) - (s23*s34*z1)/(s12*s123*s134*z12) + 
   (s14*s23*s34*z1)/(s12^2*s123*s124*z12) + (s34*z1)/(2*s123*s234*z12) - 
   (s34*z1)/(s124*s234*z12) + (s13*s34*z1)/(2*s12*s123*s234*z12) - 
   (s14*s34*z1)/(s12*s124*s234*z12) + (s23*s34*z1)/(2*s12*s123*s234*z12) - 
   (s24*s34*z1)/(s12^2*s124*z12) + (s24*s34*z1)/(2*s12*s124*s134*z12) - 
   (s24*s34*z1)/(s12*s124*s234*z12) + (z1*z2)/(s123*z12^2) + 
   (z1*z2)/(s124*z12^2) + (2*s13*z1*z2)/(s12^2*z12^2) + 
   (2*s13*z1*z2)/(s12*s123*z12^2) + (s13*z1*z2)/(s12*s124*z12^2) + 
   (s13^2*z1*z2)/(s12^2*s123*z12^2) + (2*s14*z1*z2)/(s12^2*z12^2) + 
   (s14*z1*z2)/(s12*s124*z12^2) + (s13*s14*z1*z2)/(s12^2*s124*z12^2) + 
   (2*s23*z1*z2)/(s12^2*z12^2) + (2*s23*z1*z2)/(s12*s123*z12^2) + 
   (s23*z1*z2)/(s12*s124*z12^2) + (2*s13*s23*z1*z2)/(s12^2*s123*z12^2) + 
   (s14*s23*z1*z2)/(s12^2*s124*z12^2) + (s23^2*z1*z2)/(s12^2*s123*z12^2) + 
   (2*s24*z1*z2)/(s12^2*z12^2) + (s24*z1*z2)/(s12*s124*z12^2) + 
   (s13*s24*z1*z2)/(s12^2*s124*z12^2) + (s23*s24*z1*z2)/(s12^2*s124*z12^2) - 
   (2*s14*z1*z2)/(s34^2*z12^2) - (2*s13*s14*z1*z2)/(s12*s34^2*z12^2) - 
   (4*s14^2*z1*z2)/(s12*s34^2*z12^2) - (2*s13*s14^2*z1*z2)/
    (s12^2*s34^2*z12^2) - (2*s14^3*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*s14*s23*z1*z2)/(s12*s34^2*z12^2) - (2*s14^2*s23*z1*z2)/
    (s12^2*s34^2*z12^2) - (2*s24*z1*z2)/(s34^2*z12^2) - 
   (2*s13*s24*z1*z2)/(s12*s34^2*z12^2) - (8*s14*s24*z1*z2)/
    (s12*s34^2*z12^2) - (4*s13*s14*s24*z1*z2)/(s12^2*s34^2*z12^2) - 
   (6*s14^2*s24*z1*z2)/(s12^2*s34^2*z12^2) - (2*s23*s24*z1*z2)/
    (s12*s34^2*z12^2) - (4*s14*s23*s24*z1*z2)/(s12^2*s34^2*z12^2) - 
   (4*s24^2*z1*z2)/(s12*s34^2*z12^2) - (2*s13*s24^2*z1*z2)/
    (s12^2*s34^2*z12^2) - (6*s14*s24^2*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*s23*s24^2*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*s24^3*z1*z2)/(s12^2*s34^2*z12^2) + (2*s13*z1*z2)/(s12*s34*z12^2) + 
   (2*s13^2*z1*z2)/(s12^2*s34*z12^2) - (s14*z1*z2)/(s123*s34*z12^2) - 
   (s14*z1*z2)/(s124*s34*z12^2) + (4*s13*s14*z1*z2)/(s12^2*s34*z12^2) - 
   (2*s13*s14*z1*z2)/(s12*s123*s34*z12^2) - (s13*s14*z1*z2)/
    (s12*s124*s34*z12^2) - (s13^2*s14*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s14^2*z1*z2)/(s12*s123*s34*z12^2) - (2*s14^2*z1*z2)/
    (s12*s124*s34*z12^2) - (s13*s14^2*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s13*s14^2*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (s14^3*z1*z2)/(s12^2*s124*s34*z12^2) + (2*s23*z1*z2)/(s12*s34*z12^2) + 
   (4*s13*s23*z1*z2)/(s12^2*s34*z12^2) + (4*s14*s23*z1*z2)/
    (s12^2*s34*z12^2) - (2*s14*s23*z1*z2)/(s12*s123*s34*z12^2) - 
   (s14*s23*z1*z2)/(s12*s124*s34*z12^2) - (2*s13*s14*s23*z1*z2)/
    (s12^2*s123*s34*z12^2) - (s14^2*s23*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s14^2*s23*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (2*s23^2*z1*z2)/(s12^2*s34*z12^2) - (s14*s23^2*z1*z2)/
    (s12^2*s123*s34*z12^2) - (s24*z1*z2)/(s123*s34*z12^2) - 
   (s24*z1*z2)/(s124*s34*z12^2) + (4*s13*s24*z1*z2)/(s12^2*s34*z12^2) - 
   (2*s13*s24*z1*z2)/(s12*s123*s34*z12^2) - (s13*s24*z1*z2)/
    (s12*s124*s34*z12^2) - (s13^2*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s14*s24*z1*z2)/(s12*s123*s34*z12^2) - (4*s14*s24*z1*z2)/
    (s12*s124*s34*z12^2) - (2*s13*s14*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s13*s14*s24*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (3*s14^2*s24*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (4*s23*s24*z1*z2)/(s12^2*s34*z12^2) - (2*s23*s24*z1*z2)/
    (s12*s123*s34*z12^2) - (s23*s24*z1*z2)/(s12*s124*s34*z12^2) - 
   (2*s13*s23*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s14*s23*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s14*s23*s24*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (s23^2*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s24^2*z1*z2)/(s12*s123*s34*z12^2) - (2*s24^2*z1*z2)/
    (s12*s124*s34*z12^2) - (s13*s24^2*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s13*s24^2*z1*z2)/(s12^2*s124*s34*z12^2) - (3*s14*s24^2*z1*z2)/
    (s12^2*s124*s34*z12^2) - (s23*s24^2*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s23*s24^2*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (s24^3*z1*z2)/(s12^2*s124*s34*z12^2) + (s34*z1*z2)/(s12*s123*z12^2) + 
   (s34*z1*z2)/(s12*s124*z12^2) + (s13*s34*z1*z2)/(s12^2*s123*z12^2) + 
   (s14*s34*z1*z2)/(s12^2*s124*z12^2) + (s23*s34*z1*z2)/(s12^2*s123*z12^2) + 
   (s24*s34*z1*z2)/(s12^2*s124*z12^2) - (s13*z2)/(s12^2*z12) - 
   (s13*z2)/(2*s12*s123*z12) - (s13^2*z2)/(2*s12^2*s123*z12) - 
   (s13*z2)/(2*s12*s134*z12) - (s14*z2)/(s12^2*z12) - 
   (s14*z2)/(s12*s123*z12) - (3*s14*z2)/(2*s12*s124*z12) - 
   (s14*z2)/(s123*s124*z12) - (s13*s14*z2)/(s12^2*s124*z12) - 
   (2*s13*s14*z2)/(s12*s123*s124*z12) - (s13^2*s14*z2)/
    (s12^2*s123*s124*z12) - (s14*z2)/(2*s12*s134*z12) - 
   (3*s14^2*z2)/(2*s12^2*s124*z12) - (s14^2*z2)/(s12*s123*s124*z12) - 
   (s13*s14^2*z2)/(s12^2*s123*s124*z12) - (s13*s23*z2)/(2*s12^2*s123*z12) - 
   (3*s14*s23*z2)/(2*s12^2*s124*z12) - (2*s14*s23*z2)/(s12*s123*s124*z12) - 
   (2*s13*s14*s23*z2)/(s12^2*s123*s124*z12) - 
   (s14^2*s23*z2)/(s12^2*s123*s124*z12) - (s14*s23^2*z2)/
    (s12^2*s123*s124*z12) + (s13*s24*z2)/(2*s12^2*s124*z12) - 
   (3*s14*s24*z2)/(2*s12^2*s124*z12) - (s14*s24*z2)/(s12*s123*s124*z12) - 
   (s13*s14*s24*z2)/(s12^2*s123*s124*z12) - (s14*s23*s24*z2)/
    (s12^2*s123*s124*z12) - (s14*z2)/(s34^2*z12) - 
   (s13*s14*z2)/(s12*s34^2*z12) - (s13*s14*z2)/(4*s134*s34^2*z12) - 
   (s13^2*s14*z2)/(4*s12*s134*s34^2*z12) - (s14^2*z2)/(s12*s34^2*z12) + 
   (s14^2*z2)/(4*s134*s34^2*z12) + (s14^3*z2)/(4*s12*s134*s34^2*z12) - 
   (2*s14*s23*z2)/(s12*s34^2*z12) - (s13*s14*s23*z2)/(s12^2*s34^2*z12) - 
   (s14*s23*z2)/(4*s134*s34^2*z12) - (s13*s14*s23*z2)/
    (2*s12*s134*s34^2*z12) - (s14^2*s23*z2)/(s12^2*s34^2*z12) - 
   (s14*s23^2*z2)/(s12^2*s34^2*z12) - (s14*s23^2*z2)/(4*s12*s134*s34^2*z12) - 
   (s13*s14*z2)/(4*s234*s34^2*z12) - (s13^2*s14*z2)/(4*s12*s234*s34^2*z12) + 
   (s14^2*z2)/(4*s234*s34^2*z12) + (s14^3*z2)/(4*s12*s234*s34^2*z12) - 
   (s14*s23*z2)/(4*s234*s34^2*z12) - (s13*s14*s23*z2)/
    (2*s12*s234*s34^2*z12) - (s14*s23^2*z2)/(4*s12*s234*s34^2*z12) + 
   (s13*s24*z2)/(s12*s34^2*z12) + (s13^2*s24*z2)/(s12^2*s34^2*z12) - 
   (s14*s24*z2)/(s12*s34^2*z12) + (s13*s14*s24*z2)/(s12^2*s34^2*z12) + 
   (s14*s24*z2)/(4*s134*s34^2*z12) + (s14^2*s24*z2)/(2*s12*s134*s34^2*z12) + 
   (s13*s23*s24*z2)/(s12^2*s34^2*z12) - (s14*s23*s24*z2)/(s12^2*s34^2*z12) + 
   (s14*s24*z2)/(4*s234*s34^2*z12) + (s14^2*s24*z2)/(2*s12*s234*s34^2*z12) + 
   (s13*s24^2*z2)/(s12^2*s34^2*z12) + (s14*s24^2*z2)/(4*s12*s134*s34^2*z12) + 
   (s14*s24^2*z2)/(4*s12*s234*s34^2*z12) - (s13*z2)/(s12*s34*z12) - 
   (s13^2*z2)/(s12^2*s34*z12) - (s13*z2)/(2*s134*s34*z12) - 
   (s13^2*z2)/(2*s12*s134*s34*z12) - (2*s14*z2)/(s12*s34*z12) - 
   (s14*z2)/(s123*s34*z12) - (s14*z2)/(s124*s34*z12) - 
   (2*s13*s14*z2)/(s12^2*s34*z12) - (s13*s14*z2)/(2*s12*s123*s34*z12) - 
   (3*s13*s14*z2)/(2*s12*s124*s34*z12) + (s13^2*s14*z2)/
    (2*s12^2*s123*s34*z12) - (s13^2*s14*z2)/(2*s12^2*s124*s34*z12) - 
   (s14*z2)/(2*s134*s34*z12) - (5*s13*s14*z2)/(4*s12*s134*s34*z12) - 
   (s14^2*z2)/(s12^2*s34*z12) - (s14^2*z2)/(s12*s123*s34*z12) - 
   (2*s14^2*z2)/(s12*s124*s34*z12) + (s13*s14^2*z2)/(2*s12^2*s123*s34*z12) - 
   (3*s13*s14^2*z2)/(2*s12^2*s124*s34*z12) - 
   (s14^2*z2)/(4*s12*s134*s34*z12) - (s14^3*z2)/(s12^2*s124*s34*z12) - 
   (s13*s23*z2)/(s12^2*s34*z12) - (s13*s23*z2)/(2*s12*s134*s34*z12) - 
   (2*s14*s23*z2)/(s12^2*s34*z12) - (s14*s23*z2)/(s12*s123*s34*z12) - 
   (2*s14*s23*z2)/(s12*s124*s34*z12) + (s13*s14*s23*z2)/
    (2*s12^2*s123*s34*z12) - (3*s13*s14*s23*z2)/(2*s12^2*s124*s34*z12) - 
   (3*s14*s23*z2)/(4*s12*s134*s34*z12) - (2*s14^2*s23*z2)/
    (s12^2*s124*s34*z12) - (s14*s23^2*z2)/(s12^2*s124*s34*z12) - 
   (s13*s14*z2)/(4*s12*s234*s34*z12) + (s14^2*z2)/(4*s12*s234*s34*z12) - 
   (s14*s23*z2)/(4*s12*s234*s34*z12) + (s13*s24*z2)/(2*s12*s123*s34*z12) + 
   (s13*s24*z2)/(2*s12*s124*s34*z12) + (s13^2*s24*z2)/
    (2*s12^2*s123*s34*z12) + (s13^2*s24*z2)/(2*s12^2*s124*s34*z12) - 
   (s13*s24*z2)/(2*s12*s134*s34*z12) - (s14*s24*z2)/(s12^2*s34*z12) - 
   (s14*s24*z2)/(s12*s123*s34*z12) - (2*s14*s24*z2)/(s12*s124*s34*z12) + 
   (s13*s14*s24*z2)/(s12^2*s123*s34*z12) - (s13*s14*s24*z2)/
    (s12^2*s124*s34*z12) - (s14*s24*z2)/(4*s12*s134*s34*z12) - 
   (2*s14^2*s24*z2)/(s12^2*s124*s34*z12) + (s13*s23*s24*z2)/
    (2*s12^2*s123*s34*z12) + (s13*s23*s24*z2)/(2*s12^2*s124*s34*z12) - 
   (2*s14*s23*s24*z2)/(s12^2*s124*s34*z12) + 
   (s14*s24*z2)/(4*s12*s234*s34*z12) + (s13*s24^2*z2)/
    (2*s12^2*s123*s34*z12) + (s13*s24^2*z2)/(2*s12^2*s124*s34*z12) - 
   (s14*s24^2*z2)/(s12^2*s124*s34*z12) - (s13*s34*z2)/(2*s12^2*s123*z12) - 
   (s14*s34*z2)/(2*s12^2*s124*z12) - (s14*s34*z2)/(s12*s123*s124*z12) - 
   (s13*s14*s34*z2)/(s12^2*s123*s124*z12) - (s14*s23*s34*z2)/
    (s12^2*s123*s124*z12) + z3/(s12*z12) + z3/(2*s123*z12) + 
   (s13*z3)/(2*s12*s123*z12) + z3/(2*s134*z12) - (s14*z3)/(2*s12*s124*z12) + 
   (s14*z3)/(s123*s134*z12) - (s14*z3)/(2*s124*s134*z12) + 
   (s13*s14*z3)/(s12*s123*s134*z12) - (s14^2*z3)/(2*s12*s124*s134*z12) + 
   (s23*z3)/(2*s12*s123*z12) + (s14*s23*z3)/(s12*s123*s134*z12) + 
   (s14*z3)/(2*s123*s234*z12) - (s14*z3)/(s124*s234*z12) + 
   (s13*s14*z3)/(2*s12*s123*s234*z12) - (s14^2*z3)/(s12*s124*s234*z12) + 
   (s14*s23*z3)/(2*s12*s123*s234*z12) - (s24*z3)/(2*s12*s124*z12) - 
   (s14*s24*z3)/(2*s12*s124*s134*z12) - (s14*s24*z3)/(s12*s124*s234*z12) - 
   (s14*z3)/(s34^2*z12) - (s13*s14*z3)/(s12*s34^2*z12) + 
   (s12*s14*z3)/(2*s134*s34^2*z12) + (3*s13*s14*z3)/(4*s134*s34^2*z12) + 
   (s13^2*s14*z3)/(4*s12*s134*s34^2*z12) - (s14^2*z3)/(s12*s34^2*z12) + 
   (5*s14^2*z3)/(4*s134*s34^2*z12) + (s13*s14^2*z3)/(s12*s134*s34^2*z12) + 
   (3*s14^3*z3)/(4*s12*s134*s34^2*z12) - (s14*s23*z3)/(s12*s34^2*z12) + 
   (3*s14*s23*z3)/(4*s134*s34^2*z12) + (s13*s14*s23*z3)/
    (2*s12*s134*s34^2*z12) + (s14^2*s23*z3)/(s12*s134*s34^2*z12) + 
   (s14*s23^2*z3)/(4*s12*s134*s34^2*z12) - (s12*s14*z3)/(2*s234*s34^2*z12) - 
   (3*s13*s14*z3)/(4*s234*s34^2*z12) - (s13^2*s14*z3)/
    (4*s12*s234*s34^2*z12) - (5*s14^2*z3)/(4*s234*s34^2*z12) - 
   (s13*s14^2*z3)/(s12*s234*s34^2*z12) - 
   (3*s14^3*z3)/(4*s12*s234*s34^2*z12) - (3*s14*s23*z3)/(4*s234*s34^2*z12) - 
   (s13*s14*s23*z3)/(2*s12*s234*s34^2*z12) - 
   (s14^2*s23*z3)/(s12*s234*s34^2*z12) - (s14*s23^2*z3)/
    (4*s12*s234*s34^2*z12) - (s24*z3)/(s34^2*z12) - 
   (s13*s24*z3)/(s12*s34^2*z12) - (2*s14*s24*z3)/(s12*s34^2*z12) + 
   (5*s14*s24*z3)/(4*s134*s34^2*z12) + (s13*s14*s24*z3)/
    (s12*s134*s34^2*z12) + (3*s14^2*s24*z3)/(2*s12*s134*s34^2*z12) - 
   (s23*s24*z3)/(s12*s34^2*z12) + (s14*s23*s24*z3)/(s12*s134*s34^2*z12) - 
   (5*s14*s24*z3)/(4*s234*s34^2*z12) - (s13*s14*s24*z3)/
    (s12*s234*s34^2*z12) - (3*s14^2*s24*z3)/(2*s12*s234*s34^2*z12) - 
   (s14*s23*s24*z3)/(s12*s234*s34^2*z12) - (s24^2*z3)/(s12*s34^2*z12) + 
   (3*s14*s24^2*z3)/(4*s12*s134*s34^2*z12) - (3*s14*s24^2*z3)/
    (4*s12*s234*s34^2*z12) + z3/(s34*z12) + (s13*z3)/(s12*s34*z12) + 
   (s12*z3)/(2*s134*s34*z12) + (s13*z3)/(2*s134*s34*z12) - 
   (s14*z3)/(2*s123*s34*z12) - (s14*z3)/(2*s124*s34*z12) - 
   (s13*s14*z3)/(2*s12*s123*s34*z12) - (s13*s14*z3)/(2*s12*s124*s34*z12) + 
   (s14*z3)/(s134*s34*z12) + (s12*s14*z3)/(s123*s134*s34*z12) - 
   (s12*s14*z3)/(2*s124*s134*s34*z12) + (s13*s14*z3)/(4*s12*s134*s34*z12) + 
   (2*s13*s14*z3)/(s123*s134*s34*z12) - (s13*s14*z3)/(2*s124*s134*s34*z12) + 
   (s13^2*s14*z3)/(s12*s123*s134*s34*z12) - (s14^2*z3)/(2*s12*s123*s34*z12) - 
   (s14^2*z3)/(2*s12*s124*s34*z12) + (3*s14^2*z3)/(4*s12*s134*s34*z12) + 
   (s14^2*z3)/(s123*s134*s34*z12) - (s14^2*z3)/(s124*s134*s34*z12) + 
   (s13*s14^2*z3)/(s12*s123*s134*s34*z12) - 
   (s13*s14^2*z3)/(2*s12*s124*s134*s34*z12) - 
   (s14^3*z3)/(2*s12*s124*s134*s34*z12) + (s23*z3)/(s12*s34*z12) + 
   (s23*z3)/(2*s134*s34*z12) - (s14*s23*z3)/(2*s12*s123*s34*z12) - 
   (s14*s23*z3)/(2*s12*s124*s34*z12) + (s14*s23*z3)/(4*s12*s134*s34*z12) + 
   (2*s14*s23*z3)/(s123*s134*s34*z12) - (s14*s23*z3)/(2*s124*s134*s34*z12) + 
   (2*s13*s14*s23*z3)/(s12*s123*s134*s34*z12) + 
   (s14^2*s23*z3)/(s12*s123*s134*s34*z12) - 
   (s14^2*s23*z3)/(2*s12*s124*s134*s34*z12) + 
   (s14*s23^2*z3)/(s12*s123*s134*s34*z12) - (s14*z3)/(2*s234*s34*z12) + 
   (s12*s14*z3)/(2*s123*s234*s34*z12) - (s12*s14*z3)/(s124*s234*s34*z12) - 
   (s13*s14*z3)/(4*s12*s234*s34*z12) + (s13*s14*z3)/(s123*s234*s34*z12) - 
   (s13*s14*z3)/(s124*s234*s34*z12) + (s13^2*s14*z3)/
    (2*s12*s123*s234*s34*z12) - (3*s14^2*z3)/(4*s12*s234*s34*z12) + 
   (s14^2*z3)/(2*s123*s234*s34*z12) - (2*s14^2*z3)/(s124*s234*s34*z12) + 
   (s13*s14^2*z3)/(2*s12*s123*s234*s34*z12) - 
   (s13*s14^2*z3)/(s12*s124*s234*s34*z12) - 
   (s14^3*z3)/(s12*s124*s234*s34*z12) - (s14*s23*z3)/(4*s12*s234*s34*z12) + 
   (s14*s23*z3)/(s123*s234*s34*z12) - (s14*s23*z3)/(s124*s234*s34*z12) + 
   (s13*s14*s23*z3)/(s12*s123*s234*s34*z12) + 
   (s14^2*s23*z3)/(2*s12*s123*s234*s34*z12) - 
   (s14^2*s23*z3)/(s12*s124*s234*s34*z12) + 
   (s14*s23^2*z3)/(2*s12*s123*s234*s34*z12) - (s24*z3)/(2*s123*s34*z12) - 
   (s24*z3)/(2*s124*s34*z12) - (s13*s24*z3)/(2*s12*s123*s34*z12) - 
   (s13*s24*z3)/(2*s12*s124*s34*z12) + (s24*z3)/(2*s134*s34*z12) - 
   (s14*s24*z3)/(s12*s123*s34*z12) - (s14*s24*z3)/(s12*s124*s34*z12) + 
   (3*s14*s24*z3)/(4*s12*s134*s34*z12) + (s14*s24*z3)/(s123*s134*s34*z12) - 
   (s14*s24*z3)/(s124*s134*s34*z12) + (s13*s14*s24*z3)/
    (s12*s123*s134*s34*z12) - (s13*s14*s24*z3)/(2*s12*s124*s134*s34*z12) - 
   (s14^2*s24*z3)/(s12*s124*s134*s34*z12) - 
   (s23*s24*z3)/(2*s12*s123*s34*z12) - (s23*s24*z3)/(2*s12*s124*s34*z12) + 
   (s14*s23*s24*z3)/(s12*s123*s134*s34*z12) - 
   (s14*s23*s24*z3)/(2*s12*s124*s134*s34*z12) - 
   (3*s14*s24*z3)/(4*s12*s234*s34*z12) + (s14*s24*z3)/(2*s123*s234*s34*z12) - 
   (2*s14*s24*z3)/(s124*s234*s34*z12) + (s13*s14*s24*z3)/
    (2*s12*s123*s234*s34*z12) - (s13*s14*s24*z3)/(s12*s124*s234*s34*z12) - 
   (2*s14^2*s24*z3)/(s12*s124*s234*s34*z12) + 
   (s14*s23*s24*z3)/(2*s12*s123*s234*s34*z12) - 
   (s14*s23*s24*z3)/(s12*s124*s234*s34*z12) - 
   (s24^2*z3)/(2*s12*s123*s34*z12) - (s24^2*z3)/(2*s12*s124*s34*z12) - 
   (s14*s24^2*z3)/(2*s12*s124*s134*s34*z12) - 
   (s14*s24^2*z3)/(s12*s124*s234*s34*z12) + (s34*z3)/(2*s12*s123*z12) + 
   (2*z1)/(s12*z34) + z1/(2*s124*z34) + (s13*z1)/(s12^2*z34) - 
   (s13*z1)/(4*s12*s123*z34) + (s13*z1)/(4*s12*s124*z34) - 
   (s13^2*z1)/(4*s12^2*s123*z34) - (s13^2*z1)/(4*s12^2*s124*z34) + 
   (3*z1)/(2*s134*z34) + (2*s13*z1)/(s12*s134*z34) + (s14*z1)/(s12^2*z34) - 
   (s14*z1)/(4*s12*s123*z34) + (s14*z1)/(4*s12*s124*z34) - 
   (s13*s14*z1)/(2*s12^2*s123*z34) - (s13*s14*z1)/(2*s12^2*s124*z34) + 
   (2*s14*z1)/(s12*s134*z34) - (s14^2*z1)/(4*s12^2*s123*z34) - 
   (s14^2*z1)/(4*s12^2*s124*z34) + (2*s23*z1)/(s12^2*z34) + 
   (s23*z1)/(4*s12*s123*z34) + (3*s23*z1)/(4*s12*s124*z34) + 
   (2*s23*z1)/(s12*s134*z34) + (s23^2*z1)/(4*s12^2*s123*z34) + 
   (s23^2*z1)/(4*s12^2*s124*z34) + z1/(s234*z34) + (s13*z1)/(s12*s234*z34) + 
   (s12*z1)/(s134*s234*z34) + (s13*z1)/(s134*s234*z34) + 
   (s14*z1)/(s12*s234*z34) + (s14*z1)/(s134*s234*z34) + 
   (s23*z1)/(s12*s234*z34) + (2*s23*z1)/(s134*s234*z34) + 
   (2*s24*z1)/(s12^2*z34) + (3*s24*z1)/(4*s12*s123*z34) + 
   (s24*z1)/(4*s12*s124*z34) + (5*s13*s24*z1)/(4*s12^2*s123*z34) - 
   (5*s13*s24*z1)/(4*s12^2*s124*z34) + (2*s24*z1)/(s12*s134*z34) + 
   (s24*z1)/(s123*s134*z34) + (s24*z1)/(2*s124*s134*z34) + 
   (2*s13*s24*z1)/(s12*s123*s134*z34) + (s13*s24*z1)/(s12*s124*s134*z34) + 
   (5*s14*s24*z1)/(4*s12^2*s123*z34) - (5*s14*s24*z1)/(4*s12^2*s124*z34) + 
   (2*s14*s24*z1)/(s12*s123*s134*z34) + (s14*s24*z1)/(s12*s124*s134*z34) + 
   (5*s23*s24*z1)/(4*s12^2*s123*z34) - (s23*s24*z1)/(4*s12^2*s124*z34) + 
   (s23*s24*z1)/(s12*s123*s134*z34) + (s23*s24*z1)/(2*s12*s124*s134*z34) + 
   (s24*z1)/(s12*s234*z34) - (s24*z1)/(2*s123*s234*z34) - 
   (s24*z1)/(s124*s234*z34) - (s13*s24*z1)/(2*s12*s123*s234*z34) - 
   (s13*s24*z1)/(s12*s124*s234*z34) + (2*s24*z1)/(s134*s234*z34) - 
   (s14*s24*z1)/(2*s12*s123*s234*z34) - (s14*s24*z1)/(s12*s124*s234*z34) - 
   (s23*s24*z1)/(s12*s123*s234*z34) - (2*s23*s24*z1)/(s12*s124*s234*z34) + 
   (s24^2*z1)/(s12^2*s123*z34) - (s24^2*z1)/(2*s12^2*s124*z34) + 
   (s24^2*z1)/(s12*s123*s134*z34) + (s24^2*z1)/(2*s12*s124*s134*z34) - 
   (s24^2*z1)/(s12*s123*s234*z34) - (2*s24^2*z1)/(s12*s124*s234*z34) + 
   z1/(s34*z34) + (s13*z1)/(s12*s34*z34) + (s12*z1)/(2*s134*s34*z34) + 
   (3*s13*z1)/(2*s134*s34*z34) + (s13^2*z1)/(s12*s134*s34*z34) + 
   (s14*z1)/(s12*s34*z34) + (3*s14*z1)/(2*s134*s34*z34) + 
   (2*s13*s14*z1)/(s12*s134*s34*z34) + (s14^2*z1)/(s12*s134*s34*z34) + 
   (2*s23*z1)/(s12*s34*z34) + (s13*s23*z1)/(s12^2*s34*z34) + 
   (3*s23*z1)/(2*s134*s34*z34) + (2*s13*s23*z1)/(s12*s134*s34*z34) + 
   (s14*s23*z1)/(s12^2*s34*z34) + (2*s14*s23*z1)/(s12*s134*s34*z34) + 
   (s23^2*z1)/(s12^2*s34*z34) + (s23^2*z1)/(s12*s134*s34*z34) + 
   (s12*s23*z1)/(s134*s234*s34*z34) + (s13*s23*z1)/(s134*s234*s34*z34) + 
   (s14*s23*z1)/(s134*s234*s34*z34) + (s23^2*z1)/(s134*s234*s34*z34) + 
   (2*s24*z1)/(s12*s34*z34) + (s13*s24*z1)/(s12^2*s34*z34) + 
   (3*s13*s24*z1)/(4*s12*s123*s34*z34) - (3*s13*s24*z1)/
    (4*s12*s124*s34*z34) + (3*s13^2*s24*z1)/(4*s12^2*s123*s34*z34) - 
   (3*s13^2*s24*z1)/(4*s12^2*s124*s34*z34) + (3*s24*z1)/(2*s134*s34*z34) + 
   (2*s13*s24*z1)/(s12*s134*s34*z34) + (s13*s24*z1)/(s123*s134*s34*z34) + 
   (s13*s24*z1)/(2*s124*s134*s34*z34) + (s13^2*s24*z1)/
    (s12*s123*s134*s34*z34) + (s13^2*s24*z1)/(2*s12*s124*s134*s34*z34) + 
   (s14*s24*z1)/(s12^2*s34*z34) + (3*s14*s24*z1)/(4*s12*s123*s34*z34) - 
   (3*s14*s24*z1)/(4*s12*s124*s34*z34) + (3*s13*s14*s24*z1)/
    (2*s12^2*s123*s34*z34) - (3*s13*s14*s24*z1)/(2*s12^2*s124*s34*z34) + 
   (2*s14*s24*z1)/(s12*s134*s34*z34) + (s14*s24*z1)/(s123*s134*s34*z34) + 
   (s14*s24*z1)/(2*s124*s134*s34*z34) + (2*s13*s14*s24*z1)/
    (s12*s123*s134*s34*z34) + (s13*s14*s24*z1)/(s12*s124*s134*s34*z34) + 
   (3*s14^2*s24*z1)/(4*s12^2*s123*s34*z34) - (3*s14^2*s24*z1)/
    (4*s12^2*s124*s34*z34) + (s14^2*s24*z1)/(s12*s123*s134*s34*z34) + 
   (s14^2*s24*z1)/(2*s12*s124*s134*s34*z34) + 
   (2*s23*s24*z1)/(s12^2*s34*z34) + (s23*s24*z1)/(4*s12*s123*s34*z34) - 
   (s23*s24*z1)/(4*s12*s124*s34*z34) + (s13*s23*s24*z1)/
    (s12^2*s123*s34*z34) - (s13*s23*s24*z1)/(s12^2*s124*s34*z34) + 
   (2*s23*s24*z1)/(s12*s134*s34*z34) + (s13*s23*s24*z1)/
    (s12*s123*s134*s34*z34) + (s13*s23*s24*z1)/(2*s12*s124*s134*s34*z34) + 
   (s14*s23*s24*z1)/(s12^2*s123*s34*z34) - (s14*s23*s24*z1)/
    (s12^2*s124*s34*z34) + (s14*s23*s24*z1)/(s12*s123*s134*s34*z34) + 
   (s14*s23*s24*z1)/(2*s12*s124*s134*s34*z34) + 
   (s23^2*s24*z1)/(4*s12^2*s123*s34*z34) - 
   (s23^2*s24*z1)/(4*s12^2*s124*s34*z34) + (s12*s24*z1)/(s134*s234*s34*z34) + 
   (s13*s24*z1)/(s134*s234*s34*z34) + (s14*s24*z1)/(s134*s234*s34*z34) - 
   (s23*s24*z1)/(2*s123*s234*s34*z34) - (s23*s24*z1)/(s124*s234*s34*z34) - 
   (s13*s23*s24*z1)/(2*s12*s123*s234*s34*z34) - 
   (s13*s23*s24*z1)/(s12*s124*s234*s34*z34) + 
   (2*s23*s24*z1)/(s134*s234*s34*z34) - (s14*s23*s24*z1)/
    (2*s12*s123*s234*s34*z34) - (s14*s23*s24*z1)/(s12*s124*s234*s34*z34) - 
   (s23^2*s24*z1)/(2*s12*s123*s234*s34*z34) - 
   (s23^2*s24*z1)/(s12*s124*s234*s34*z34) + (s24^2*z1)/(s12^2*s34*z34) + 
   (s24^2*z1)/(4*s12*s123*s34*z34) - (s24^2*z1)/(4*s12*s124*s34*z34) + 
   (s13*s24^2*z1)/(s12^2*s123*s34*z34) - (s13*s24^2*z1)/
    (s12^2*s124*s34*z34) + (s24^2*z1)/(s12*s134*s34*z34) + 
   (s13*s24^2*z1)/(s12*s123*s134*s34*z34) + 
   (s13*s24^2*z1)/(2*s12*s124*s134*s34*z34) + 
   (s14*s24^2*z1)/(s12^2*s123*s34*z34) - (s14*s24^2*z1)/
    (s12^2*s124*s34*z34) + (s14*s24^2*z1)/(s12*s123*s134*s34*z34) + 
   (s14*s24^2*z1)/(2*s12*s124*s134*s34*z34) + 
   (s23*s24^2*z1)/(2*s12^2*s123*s34*z34) - 
   (s23*s24^2*z1)/(2*s12^2*s124*s34*z34) - (s24^2*z1)/(2*s123*s234*s34*z34) - 
   (s24^2*z1)/(s124*s234*s34*z34) - (s13*s24^2*z1)/
    (2*s12*s123*s234*s34*z34) - (s13*s24^2*z1)/(s12*s124*s234*s34*z34) + 
   (s24^2*z1)/(s134*s234*s34*z34) - (s14*s24^2*z1)/
    (2*s12*s123*s234*s34*z34) - (s14*s24^2*z1)/(s12*s124*s234*s34*z34) - 
   (s23*s24^2*z1)/(s12*s123*s234*s34*z34) - (2*s23*s24^2*z1)/
    (s12*s124*s234*s34*z34) + (s24^3*z1)/(4*s12^2*s123*s34*z34) - 
   (s24^3*z1)/(4*s12^2*s124*s34*z34) - (s24^3*z1)/(2*s12*s123*s234*s34*z34) - 
   (s24^3*z1)/(s12*s124*s234*s34*z34) + (s34*z1)/(s12^2*z34) + 
   (s34*z1)/(2*s12*s124*z34) - (s13*s34*z1)/(4*s12^2*s123*z34) - 
   (s13*s34*z1)/(4*s12^2*s124*z34) + (s34*z1)/(s12*s134*z34) - 
   (s14*s34*z1)/(4*s12^2*s123*z34) - (s14*s34*z1)/(4*s12^2*s124*z34) + 
   (s23*s34*z1)/(4*s12^2*s123*z34) + (s23*s34*z1)/(4*s12^2*s124*z34) + 
   (s34*z1)/(s12*s234*z34) + (s34*z1)/(s134*s234*z34) + 
   (3*s24*s34*z1)/(4*s12^2*s123*z34) - (s24*s34*z1)/(4*s12^2*s124*z34) + 
   (s24*s34*z1)/(s12*s123*s134*z34) + (s24*s34*z1)/(2*s12*s124*s134*z34) - 
   (s24*s34*z1)/(2*s12*s123*s234*z34) - (s24*s34*z1)/(s12*s124*s234*z34) + 
   z1^2/(s12*z12*z34) + z1^2/(2*s123*z12*z34) + z1^2/(2*s124*z12*z34) - 
   (s13*z1^2)/(s12^2*z12*z34) + (3*s13*z1^2)/(4*s12*s123*z12*z34) + 
   (3*s13*z1^2)/(4*s12*s124*z12*z34) + (s13^2*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s13^2*z1^2)/(4*s12^2*s124*z12*z34) + z1^2/(2*s134*z12*z34) - 
   (s13*z1^2)/(2*s12*s134*z12*z34) - (s14*z1^2)/(s12^2*z12*z34) + 
   (3*s14*z1^2)/(4*s12*s123*z12*z34) + (3*s14*z1^2)/(4*s12*s124*z12*z34) + 
   (s13*s14*z1^2)/(2*s12^2*s123*z12*z34) + 
   (s13*s14*z1^2)/(2*s12^2*s124*z12*z34) - (s14*z1^2)/(2*s12*s134*z12*z34) + 
   (s14^2*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s14^2*z1^2)/(4*s12^2*s124*z12*z34) + (3*s23*z1^2)/(4*s12*s123*z12*z34) + 
   (3*s23*z1^2)/(4*s12*s124*z12*z34) + (s13*s23*z1^2)/
    (2*s12^2*s123*z12*z34) + (s13*s23*z1^2)/(2*s12^2*s124*z12*z34) + 
   (s14*s23*z1^2)/(2*s12^2*s123*z12*z34) + 
   (s14*s23*z1^2)/(2*s12^2*s124*z12*z34) + 
   (s23^2*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s23^2*z1^2)/(4*s12^2*s124*z12*z34) - z1^2/(2*s234*z12*z34) - 
   (s13*z1^2)/(2*s12*s234*z12*z34) - (s14*z1^2)/(2*s12*s234*z12*z34) - 
   (s23*z1^2)/(s12*s234*z12*z34) + (5*s24*z1^2)/(4*s12*s123*z12*z34) + 
   (s24*z1^2)/(4*s12*s124*z12*z34) + (5*s13*s24*z1^2)/
    (4*s12^2*s123*z12*z34) - (s13*s24*z1^2)/(4*s12^2*s124*z12*z34) + 
   (5*s14*s24*z1^2)/(4*s12^2*s123*z12*z34) - 
   (s14*s24*z1^2)/(4*s12^2*s124*z12*z34) + (5*s23*s24*z1^2)/
    (4*s12^2*s123*z12*z34) - (s23*s24*z1^2)/(4*s12^2*s124*z12*z34) - 
   (s24*z1^2)/(s12*s234*z12*z34) + (s24^2*z1^2)/(s12^2*s123*z12*z34) - 
   (s24^2*z1^2)/(2*s12^2*s124*z12*z34) + (2*z1^2)/(s34*z12*z34) + 
   (2*s13*z1^2)/(s12*s34*z12*z34) + (s12*z1^2)/(s134*s34*z12*z34) + 
   (s13*z1^2)/(s134*s34*z12*z34) + (2*s14*z1^2)/(s12*s34*z12*z34) + 
   (s14*z1^2)/(s134*s34*z12*z34) + (3*s23*z1^2)/(s12*s34*z12*z34) + 
   (s13*s23*z1^2)/(s12^2*s34*z12*z34) + (3*s23*z1^2)/(2*s134*s34*z12*z34) + 
   (s13*s23*z1^2)/(2*s12*s134*s34*z12*z34) + 
   (s14*s23*z1^2)/(s12^2*s34*z12*z34) + (s14*s23*z1^2)/
    (2*s12*s134*s34*z12*z34) + (s23^2*z1^2)/(s12^2*s34*z12*z34) + 
   (s23^2*z1^2)/(2*s12*s134*s34*z12*z34) - (s23*z1^2)/(2*s234*s34*z12*z34) - 
   (s13*s23*z1^2)/(2*s12*s234*s34*z12*z34) - 
   (s14*s23*z1^2)/(2*s12*s234*s34*z12*z34) - 
   (s23^2*z1^2)/(2*s12*s234*s34*z12*z34) + (3*s24*z1^2)/(s12*s34*z12*z34) + 
   (s13*s24*z1^2)/(s12^2*s34*z12*z34) + (s13*s24*z1^2)/
    (4*s12*s123*s34*z12*z34) - (s13*s24*z1^2)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z1^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (3*s24*z1^2)/(2*s134*s34*z12*z34) + (s13*s24*z1^2)/
    (2*s12*s134*s34*z12*z34) + (s14*s24*z1^2)/(s12^2*s34*z12*z34) + 
   (s14*s24*z1^2)/(4*s12*s123*s34*z12*z34) - 
   (s14*s24*z1^2)/(4*s12*s124*s34*z12*z34) + (s13*s14*s24*z1^2)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s14*s24*z1^2)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s24*z1^2)/(2*s12*s134*s34*z12*z34) + 
   (s14^2*s24*z1^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^2*s24*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (2*s23*s24*z1^2)/(s12^2*s34*z12*z34) + (s23*s24*z1^2)/
    (4*s12*s123*s34*z12*z34) - (s23*s24*z1^2)/(4*s12*s124*s34*z12*z34) + 
   (s13*s23*s24*z1^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s23*s24*z1^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s23*s24*z1^2)/(s12*s134*s34*z12*z34) + (s14*s23*s24*z1^2)/
    (2*s12^2*s123*s34*z12*z34) - (s14*s23*s24*z1^2)/
    (2*s12^2*s124*s34*z12*z34) + (s23^2*s24*z1^2)/
    (4*s12^2*s123*s34*z12*z34) - (s23^2*s24*z1^2)/
    (4*s12^2*s124*s34*z12*z34) - (s24*z1^2)/(2*s234*s34*z12*z34) - 
   (s13*s24*z1^2)/(2*s12*s234*s34*z12*z34) - 
   (s14*s24*z1^2)/(2*s12*s234*s34*z12*z34) - 
   (s23*s24*z1^2)/(s12*s234*s34*z12*z34) + (s24^2*z1^2)/(s12^2*s34*z12*z34) + 
   (s24^2*z1^2)/(4*s12*s123*s34*z12*z34) - 
   (s24^2*z1^2)/(4*s12*s124*s34*z12*z34) + (s13*s24^2*z1^2)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s24^2*z1^2)/
    (2*s12^2*s124*s34*z12*z34) + (s24^2*z1^2)/(2*s12*s134*s34*z12*z34) + 
   (s14*s24^2*z1^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s14*s24^2*z1^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s23*s24^2*z1^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s23*s24^2*z1^2)/(2*s12^2*s124*s34*z12*z34) - 
   (s24^2*z1^2)/(2*s12*s234*s34*z12*z34) + 
   (s24^3*z1^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s24^3*z1^2)/(4*s12^2*s124*s34*z12*z34) - (s34*z1^2)/(s12^2*z12*z34) + 
   (s34*z1^2)/(2*s12*s123*z12*z34) + (s34*z1^2)/(2*s12*s124*z12*z34) + 
   (s13*s34*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s13*s34*z1^2)/(4*s12^2*s124*z12*z34) - (s34*z1^2)/(2*s12*s134*z12*z34) + 
   (s14*s34*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s14*s34*z1^2)/(4*s12^2*s124*z12*z34) + 
   (s23*s34*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s23*s34*z1^2)/(4*s12^2*s124*z12*z34) - (s34*z1^2)/(2*s12*s234*z12*z34) + 
   (3*s24*s34*z1^2)/(4*s12^2*s123*z12*z34) - 
   (s24*s34*z1^2)/(4*s12^2*s124*z12*z34) + z2/(s12*z34) + z2/(2*s124*z34) - 
   (s13*z2)/(s12^2*z34) + (s13*z2)/(2*s12*s124*z34) - 
   (s13*z2)/(2*s12*s134*z34) - (s14*z2)/(s12^2*z34) - 
   (s14*z2)/(2*s12*s123*z34) + (s14*z2)/(s12*s124*z34) - 
   (5*s13*s14*z2)/(4*s12^2*s123*z34) + (5*s13*s14*z2)/(4*s12^2*s124*z34) - 
   (s14*z2)/(2*s12*s134*z34) - (s14*z2)/(s123*s134*z34) - 
   (s14*z2)/(2*s124*s134*z34) - (2*s13*s14*z2)/(s12*s123*s134*z34) - 
   (s13*s14*z2)/(s12*s124*s134*z34) - (5*s14^2*z2)/(4*s12^2*s123*z34) + 
   (5*s14^2*z2)/(4*s12^2*s124*z34) - (2*s14^2*z2)/(s12*s123*s134*z34) - 
   (s14^2*z2)/(s12*s124*s134*z34) + (s23*z2)/(2*s12*s124*z34) - 
   (3*s14*s23*z2)/(4*s12^2*s123*z34) + (3*s14*s23*z2)/(4*s12^2*s124*z34) - 
   (s14*s23*z2)/(s12*s123*s134*z34) - (s14*s23*z2)/(2*s12*s124*s134*z34) + 
   z2/(2*s234*z34) - (s13*z2)/(2*s12*s234*z34) - (s14*z2)/(2*s12*s234*z34) + 
   (s14*z2)/(2*s123*s234*z34) + (s14*z2)/(s124*s234*z34) + 
   (s13*s14*z2)/(2*s12*s123*s234*z34) + (s13*s14*z2)/(s12*s124*s234*z34) + 
   (s14^2*z2)/(2*s12*s123*s234*z34) + (s14^2*z2)/(s12*s124*s234*z34) + 
   (s14*s23*z2)/(s12*s123*s234*z34) + (2*s14*s23*z2)/(s12*s124*s234*z34) + 
   (s24*z2)/(2*s12*s124*z34) - (3*s14*s24*z2)/(4*s12^2*s123*z34) + 
   (3*s14*s24*z2)/(4*s12^2*s124*z34) - (s14*s24*z2)/(s12*s123*s134*z34) - 
   (s14*s24*z2)/(2*s12*s124*s134*z34) + (s14*s24*z2)/(s12*s123*s234*z34) + 
   (2*s14*s24*z2)/(s12*s124*s234*z34) + z2/(s34*z34) - 
   (s13^2*z2)/(s12^2*s34*z34) - (s13*z2)/(2*s134*s34*z34) - 
   (s13^2*z2)/(2*s12*s134*s34*z34) - (2*s13*s14*z2)/(s12^2*s34*z34) - 
   (3*s13*s14*z2)/(4*s12*s123*s34*z34) + (3*s13*s14*z2)/
    (4*s12*s124*s34*z34) - (3*s13^2*s14*z2)/(4*s12^2*s123*s34*z34) + 
   (3*s13^2*s14*z2)/(4*s12^2*s124*s34*z34) - (s14*z2)/(2*s134*s34*z34) - 
   (s13*s14*z2)/(s12*s134*s34*z34) - (s13*s14*z2)/(s123*s134*s34*z34) - 
   (s13*s14*z2)/(2*s124*s134*s34*z34) - (s13^2*s14*z2)/
    (s12*s123*s134*s34*z34) - (s13^2*s14*z2)/(2*s12*s124*s134*s34*z34) - 
   (s14^2*z2)/(s12^2*s34*z34) - (3*s14^2*z2)/(4*s12*s123*s34*z34) + 
   (3*s14^2*z2)/(4*s12*s124*s34*z34) - (3*s13*s14^2*z2)/
    (2*s12^2*s123*s34*z34) + (3*s13*s14^2*z2)/(2*s12^2*s124*s34*z34) - 
   (s14^2*z2)/(2*s12*s134*s34*z34) - (s14^2*z2)/(s123*s134*s34*z34) - 
   (s14^2*z2)/(2*s124*s134*s34*z34) - (2*s13*s14^2*z2)/
    (s12*s123*s134*s34*z34) - (s13*s14^2*z2)/(s12*s124*s134*s34*z34) - 
   (3*s14^3*z2)/(4*s12^2*s123*s34*z34) + 
   (3*s14^3*z2)/(4*s12^2*s124*s34*z34) - (s14^3*z2)/(s12*s123*s134*s34*z34) - 
   (s14^3*z2)/(2*s12*s124*s134*s34*z34) + (s23*z2)/(s12*s34*z34) - 
   (s13*s23*z2)/(s12^2*s34*z34) - (s13*s23*z2)/(2*s12*s134*s34*z34) - 
   (s14*s23*z2)/(s12^2*s34*z34) - (s14*s23*z2)/(4*s12*s123*s34*z34) + 
   (s14*s23*z2)/(4*s12*s124*s34*z34) - (s13*s14*s23*z2)/
    (s12^2*s123*s34*z34) + (s13*s14*s23*z2)/(s12^2*s124*s34*z34) - 
   (s14*s23*z2)/(2*s12*s134*s34*z34) - (s13*s14*s23*z2)/
    (s12*s123*s134*s34*z34) - (s13*s14*s23*z2)/(2*s12*s124*s134*s34*z34) - 
   (s14^2*s23*z2)/(s12^2*s123*s34*z34) + (s14^2*s23*z2)/
    (s12^2*s124*s34*z34) - (s14^2*s23*z2)/(s12*s123*s134*s34*z34) - 
   (s14^2*s23*z2)/(2*s12*s124*s134*s34*z34) - 
   (s14*s23^2*z2)/(4*s12^2*s123*s34*z34) + 
   (s14*s23^2*z2)/(4*s12^2*s124*s34*z34) + (s12*z2)/(2*s234*s34*z34) - 
   (s13^2*z2)/(2*s12*s234*s34*z34) - (s13*s14*z2)/(s12*s234*s34*z34) - 
   (s14^2*z2)/(2*s12*s234*s34*z34) + (s23*z2)/(2*s234*s34*z34) - 
   (s13*s23*z2)/(2*s12*s234*s34*z34) - (s14*s23*z2)/(2*s12*s234*s34*z34) + 
   (s14*s23*z2)/(2*s123*s234*s34*z34) + (s14*s23*z2)/(s124*s234*s34*z34) + 
   (s13*s14*s23*z2)/(2*s12*s123*s234*s34*z34) + 
   (s13*s14*s23*z2)/(s12*s124*s234*s34*z34) + 
   (s14^2*s23*z2)/(2*s12*s123*s234*s34*z34) + 
   (s14^2*s23*z2)/(s12*s124*s234*s34*z34) + 
   (s14*s23^2*z2)/(2*s12*s123*s234*s34*z34) + 
   (s14*s23^2*z2)/(s12*s124*s234*s34*z34) + (s24*z2)/(s12*s34*z34) - 
   (s13*s24*z2)/(s12^2*s34*z34) - (s13*s24*z2)/(2*s12*s134*s34*z34) - 
   (s14*s24*z2)/(s12^2*s34*z34) - (s14*s24*z2)/(4*s12*s123*s34*z34) + 
   (s14*s24*z2)/(4*s12*s124*s34*z34) - (s13*s14*s24*z2)/
    (s12^2*s123*s34*z34) + (s13*s14*s24*z2)/(s12^2*s124*s34*z34) - 
   (s14*s24*z2)/(2*s12*s134*s34*z34) - (s13*s14*s24*z2)/
    (s12*s123*s134*s34*z34) - (s13*s14*s24*z2)/(2*s12*s124*s134*s34*z34) - 
   (s14^2*s24*z2)/(s12^2*s123*s34*z34) + (s14^2*s24*z2)/
    (s12^2*s124*s34*z34) - (s14^2*s24*z2)/(s12*s123*s134*s34*z34) - 
   (s14^2*s24*z2)/(2*s12*s124*s134*s34*z34) - 
   (s14*s23*s24*z2)/(2*s12^2*s123*s34*z34) + (s14*s23*s24*z2)/
    (2*s12^2*s124*s34*z34) + (s24*z2)/(2*s234*s34*z34) - 
   (s13*s24*z2)/(2*s12*s234*s34*z34) - (s14*s24*z2)/(2*s12*s234*s34*z34) + 
   (s14*s24*z2)/(2*s123*s234*s34*z34) + (s14*s24*z2)/(s124*s234*s34*z34) + 
   (s13*s14*s24*z2)/(2*s12*s123*s234*s34*z34) + 
   (s13*s14*s24*z2)/(s12*s124*s234*s34*z34) + 
   (s14^2*s24*z2)/(2*s12*s123*s234*s34*z34) + 
   (s14^2*s24*z2)/(s12*s124*s234*s34*z34) + (s14*s23*s24*z2)/
    (s12*s123*s234*s34*z34) + (2*s14*s23*s24*z2)/(s12*s124*s234*s34*z34) - 
   (s14*s24^2*z2)/(4*s12^2*s123*s34*z34) + 
   (s14*s24^2*z2)/(4*s12^2*s124*s34*z34) + 
   (s14*s24^2*z2)/(2*s12*s123*s234*s34*z34) + 
   (s14*s24^2*z2)/(s12*s124*s234*s34*z34) + (s34*z2)/(2*s12*s124*z34) - 
   (s14*s34*z2)/(2*s12^2*s123*z34) + (s14*s34*z2)/(2*s12^2*s124*z34) - 
   (s14*s34*z2)/(s12*s123*s134*z34) - (s14*s34*z2)/(2*s12*s124*s134*z34) + 
   (s14*s34*z2)/(2*s12*s123*s234*z34) + (s14*s34*z2)/(s12*s124*s234*z34) + 
   (2*s13*z1^2*z2)/(s12^2*z12^2*z34) + (2*s14*z1^2*z2)/(s12^2*z12^2*z34) + 
   (2*s23*z1^2*z2)/(s12^2*z12^2*z34) + (2*s24*z1^2*z2)/(s12^2*z12^2*z34) - 
   (2*z1^2*z2)/(s34*z12^2*z34) - (2*s13*z1^2*z2)/(s12*s34*z12^2*z34) - 
   (2*s14*z1^2*z2)/(s12*s34*z12^2*z34) - (2*s23*z1^2*z2)/
    (s12*s34*z12^2*z34) - (2*s24*z1^2*z2)/(s12*s34*z12^2*z34) + 
   (2*s34*z1^2*z2)/(s12^2*z12^2*z34) - (3*z1*z2)/(s12*z12*z34) - 
   (z1*z2)/(2*s123*z12*z34) - (z1*z2)/(2*s124*z12*z34) - 
   (4*s13*z1*z2)/(s12^2*z12*z34) - (3*s13*z1*z2)/(4*s12*s123*z12*z34) - 
   (3*s13*z1*z2)/(4*s12*s124*z12*z34) - (s13^2*z1*z2)/
    (4*s12^2*s123*z12*z34) - (s13^2*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (3*z1*z2)/(2*s134*z12*z34) - (5*s13*z1*z2)/(2*s12*s134*z12*z34) - 
   (4*s14*z1*z2)/(s12^2*z12*z34) - (5*s14*z1*z2)/(4*s12*s123*z12*z34) - 
   (s14*z1*z2)/(4*s12*s124*z12*z34) - (5*s13*s14*z1*z2)/
    (4*s12^2*s123*z12*z34) + (s13*s14*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (5*s14*z1*z2)/(2*s12*s134*z12*z34) - (s14^2*z1*z2)/(s12^2*s123*z12*z34) + 
   (s14^2*z1*z2)/(2*s12^2*s124*z12*z34) - (4*s23*z1*z2)/(s12^2*z12*z34) - 
   (3*s23*z1*z2)/(4*s12*s123*z12*z34) - (3*s23*z1*z2)/(4*s12*s124*z12*z34) - 
   (s13*s23*z1*z2)/(2*s12^2*s123*z12*z34) - (s13*s23*z1*z2)/
    (2*s12^2*s124*z12*z34) - (2*s23*z1*z2)/(s12*s134*z12*z34) - 
   (5*s14*s23*z1*z2)/(4*s12^2*s123*z12*z34) + 
   (s14*s23*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (s23^2*z1*z2)/(4*s12^2*s123*z12*z34) - 
   (s23^2*z1*z2)/(4*s12^2*s124*z12*z34) - (z1*z2)/(2*s234*z12*z34) - 
   (3*s13*z1*z2)/(2*s12*s234*z12*z34) - (3*s14*z1*z2)/(2*s12*s234*z12*z34) - 
   (2*s23*z1*z2)/(s12*s234*z12*z34) - (4*s24*z1*z2)/(s12^2*z12*z34) - 
   (5*s24*z1*z2)/(4*s12*s123*z12*z34) - (s24*z1*z2)/(4*s12*s124*z12*z34) - 
   (5*s13*s24*z1*z2)/(4*s12^2*s123*z12*z34) + 
   (s13*s24*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (2*s24*z1*z2)/(s12*s134*z12*z34) - (2*s14*s24*z1*z2)/
    (s12^2*s123*z12*z34) + (s14*s24*z1*z2)/(s12^2*s124*z12*z34) - 
   (5*s23*s24*z1*z2)/(4*s12^2*s123*z12*z34) + 
   (s23*s24*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (2*s24*z1*z2)/(s12*s234*z12*z34) - (s24^2*z1*z2)/(s12^2*s123*z12*z34) + 
   (s24^2*z1*z2)/(2*s12^2*s124*z12*z34) - (s13*z1*z2)/(s12*s34*z12*z34) - 
   (s13^2*z1*z2)/(s12^2*s34*z12*z34) - (s13*z1*z2)/(s134*s34*z12*z34) - 
   (s13^2*z1*z2)/(s12*s134*s34*z12*z34) - (s14*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s14*z1*z2)/(s12^2*s34*z12*z34) - (s13*s14*z1*z2)/
    (4*s12*s123*s34*z12*z34) + (s13*s14*z1*z2)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s14*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s14*z1*z2)/(s134*s34*z12*z34) - (2*s13*s14*z1*z2)/
    (s12*s134*s34*z12*z34) - (s14^2*z1*z2)/(s12^2*s34*z12*z34) - 
   (s14^2*z1*z2)/(4*s12*s123*s34*z12*z34) + 
   (s14^2*z1*z2)/(4*s12*s124*s34*z12*z34) - (s13*s14^2*z1*z2)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s14^2*z1*z2)/
    (2*s12^2*s124*s34*z12*z34) - (s14^2*z1*z2)/(s12*s134*s34*z12*z34) - 
   (s14^3*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^3*z1*z2)/(4*s12^2*s124*s34*z12*z34) - (s23*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s23*z1*z2)/(s12^2*s34*z12*z34) - (s23*z1*z2)/(2*s134*s34*z12*z34) - 
   (3*s13*s23*z1*z2)/(2*s12*s134*s34*z12*z34) - 
   (2*s14*s23*z1*z2)/(s12^2*s34*z12*z34) - (s14*s23*z1*z2)/
    (4*s12*s123*s34*z12*z34) + (s14*s23*z1*z2)/(4*s12*s124*s34*z12*z34) - 
   (s13*s14*s23*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14*s23*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (3*s14*s23*z1*z2)/(2*s12*s134*s34*z12*z34) - 
   (s14^2*s23*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (s23^2*z1*z2)/(s12^2*s34*z12*z34) - (s23^2*z1*z2)/
    (2*s12*s134*s34*z12*z34) - (s14*s23^2*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s14*s23^2*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (s12*z1*z2)/(s234*s34*z12*z34) + (s13*z1*z2)/(s234*s34*z12*z34) + 
   (s14*z1*z2)/(s234*s34*z12*z34) + (s23*z1*z2)/(2*s234*s34*z12*z34) - 
   (s13*s23*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (s14*s23*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (s23^2*z1*z2)/(2*s12*s234*s34*z12*z34) - (s24*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s24*z1*z2)/(s12^2*s34*z12*z34) - (s13*s24*z1*z2)/
    (4*s12*s123*s34*z12*z34) + (s13*s24*z1*z2)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s24*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s24*z1*z2)/(2*s134*s34*z12*z34) - (3*s13*s24*z1*z2)/
    (2*s12*s134*s34*z12*z34) - (2*s14*s24*z1*z2)/(s12^2*s34*z12*z34) - 
   (s14*s24*z1*z2)/(2*s12*s123*s34*z12*z34) + 
   (s14*s24*z1*z2)/(2*s12*s124*s34*z12*z34) - (s13*s14*s24*z1*z2)/
    (s12^2*s123*s34*z12*z34) + (s13*s14*s24*z1*z2)/(s12^2*s124*s34*z12*z34) - 
   (3*s14*s24*z1*z2)/(2*s12*s134*s34*z12*z34) - 
   (3*s14^2*s24*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (3*s14^2*s24*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (2*s23*s24*z1*z2)/(s12^2*s34*z12*z34) - (s23*s24*z1*z2)/
    (4*s12*s123*s34*z12*z34) + (s23*s24*z1*z2)/(4*s12*s124*s34*z12*z34) - 
   (s13*s23*s24*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s23*s24*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (s23*s24*z1*z2)/(s12*s134*s34*z12*z34) - (s14*s23*s24*z1*z2)/
    (s12^2*s123*s34*z12*z34) + (s14*s23*s24*z1*z2)/(s12^2*s124*s34*z12*z34) - 
   (s23^2*s24*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s23^2*s24*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (s24*z1*z2)/(2*s234*s34*z12*z34) - (s13*s24*z1*z2)/
    (2*s12*s234*s34*z12*z34) - (s14*s24*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (s23*s24*z1*z2)/(s12*s234*s34*z12*z34) - 
   (s24^2*z1*z2)/(s12^2*s34*z12*z34) - (s24^2*z1*z2)/
    (4*s12*s123*s34*z12*z34) + (s24^2*z1*z2)/(4*s12*s124*s34*z12*z34) - 
   (s13*s24^2*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s24^2*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (s24^2*z1*z2)/(2*s12*s134*s34*z12*z34) - (3*s14*s24^2*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) + (3*s14*s24^2*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) - (s23*s24^2*z1*z2)/
    (2*s12^2*s123*s34*z12*z34) + (s23*s24^2*z1*z2)/
    (2*s12^2*s124*s34*z12*z34) - (s24^2*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (s24^3*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s24^3*z1*z2)/(4*s12^2*s124*s34*z12*z34) - (3*s34*z1*z2)/(s12^2*z12*z34) - 
   (s34*z1*z2)/(2*s12*s123*z12*z34) - (s34*z1*z2)/(2*s12*s124*z12*z34) - 
   (s13*s34*z1*z2)/(4*s12^2*s123*z12*z34) - (s13*s34*z1*z2)/
    (4*s12^2*s124*z12*z34) - (3*s34*z1*z2)/(2*s12*s134*z12*z34) - 
   (3*s14*s34*z1*z2)/(4*s12^2*s123*z12*z34) + 
   (s14*s34*z1*z2)/(4*s12^2*s124*z12*z34) - (s23*s34*z1*z2)/
    (4*s12^2*s123*z12*z34) - (s23*s34*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (3*s34*z1*z2)/(2*s12*s234*z12*z34) - (3*s24*s34*z1*z2)/
    (4*s12^2*s123*z12*z34) + (s24*s34*z1*z2)/(4*s12^2*s124*z12*z34) + 
   (2*s13*z1*z2^2)/(s12^2*z12^2*z34) + (2*s14*z1*z2^2)/(s12^2*z12^2*z34) + 
   (2*s23*z1*z2^2)/(s12^2*z12^2*z34) + (2*s24*z1*z2^2)/(s12^2*z12^2*z34) - 
   (2*z1*z2^2)/(s34*z12^2*z34) - (2*s13*z1*z2^2)/(s12*s34*z12^2*z34) - 
   (2*s14*z1*z2^2)/(s12*s34*z12^2*z34) - (2*s23*z1*z2^2)/
    (s12*s34*z12^2*z34) - (2*s24*z1*z2^2)/(s12*s34*z12^2*z34) + 
   (2*s34*z1*z2^2)/(s12^2*z12^2*z34) + (s13*z2^2)/(s12^2*z12*z34) + 
   (s14*z2^2)/(s12^2*z12*z34) + (s14*z2^2)/(2*s12*s123*z12*z34) - 
   (s14*z2^2)/(2*s12*s124*z12*z34) + (3*s13*s14*z2^2)/
    (4*s12^2*s123*z12*z34) - (3*s13*s14*z2^2)/(4*s12^2*s124*z12*z34) + 
   (3*s14^2*z2^2)/(4*s12^2*s123*z12*z34) - 
   (3*s14^2*z2^2)/(4*s12^2*s124*z12*z34) + (3*s14*s23*z2^2)/
    (4*s12^2*s123*z12*z34) - (3*s14*s23*z2^2)/(4*s12^2*s124*z12*z34) + 
   (3*s14*s24*z2^2)/(4*s12^2*s123*z12*z34) - (3*s14*s24*z2^2)/
    (4*s12^2*s124*z12*z34) + (s13*z2^2)/(s12*s34*z12*z34) + 
   (s13^2*z2^2)/(s12^2*s34*z12*z34) + (s14*z2^2)/(s12*s34*z12*z34) + 
   (2*s13*s14*z2^2)/(s12^2*s34*z12*z34) + (s13*s14*z2^2)/
    (4*s12*s123*s34*z12*z34) - (s13*s14*z2^2)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s14*z2^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^2*s14*z2^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s14^2*z2^2)/(s12^2*s34*z12*z34) + (s14^2*z2^2)/(4*s12*s123*s34*z12*z34) - 
   (s14^2*z2^2)/(4*s12*s124*s34*z12*z34) + (s13*s14^2*z2^2)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s14^2*z2^2)/
    (2*s12^2*s124*s34*z12*z34) + (s14^3*z2^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^3*z2^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s13*s23*z2^2)/(s12^2*s34*z12*z34) + (s14*s23*z2^2)/(s12^2*s34*z12*z34) + 
   (s14*s23*z2^2)/(4*s12*s123*s34*z12*z34) - 
   (s14*s23*z2^2)/(4*s12*s124*s34*z12*z34) + (s13*s14*s23*z2^2)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s14*s23*z2^2)/
    (2*s12^2*s124*s34*z12*z34) + (s14^2*s23*z2^2)/
    (2*s12^2*s123*s34*z12*z34) - (s14^2*s23*z2^2)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s23^2*z2^2)/
    (4*s12^2*s123*s34*z12*z34) - (s14*s23^2*z2^2)/
    (4*s12^2*s124*s34*z12*z34) + (s13*s24*z2^2)/(s12^2*s34*z12*z34) + 
   (s14*s24*z2^2)/(s12^2*s34*z12*z34) + (s14*s24*z2^2)/
    (4*s12*s123*s34*z12*z34) - (s14*s24*z2^2)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14*s24*z2^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s14*s24*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14^2*s24*z2^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s14^2*s24*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s23*s24*z2^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s14*s23*s24*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s24^2*z2^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s14*s24^2*z2^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s14*s34*z2^2)/(2*s12^2*s123*z12*z34) - 
   (s14*s34*z2^2)/(2*s12^2*s124*z12*z34) - (s14*z3)/(s12^2*z34) - 
   (s14*z3)/(2*s12*s124*z34) + (s13*s14*z3)/(4*s12^2*s123*z34) + 
   (s13*s14*z3)/(4*s12^2*s124*z34) - (s14*z3)/(s12*s134*z34) + 
   (s14^2*z3)/(4*s12^2*s123*z34) + (s14^2*z3)/(4*s12^2*s124*z34) - 
   (s14*s23*z3)/(4*s12^2*s123*z34) - (s14*s23*z3)/(4*s12^2*s124*z34) - 
   (s14*z3)/(s12*s234*z34) - (s14*z3)/(s134*s234*z34) - 
   (s24*z3)/(2*s12*s124*z34) - (s14*s24*z3)/(4*s12^2*s123*z34) - 
   (s14*s24*z3)/(4*s12^2*s124*z34) - (s14*z3)/(s34^2*z34) - 
   (s13*s14*z3)/(s12*s34^2*z34) - (s12*s14*z3)/(2*s134*s34^2*z34) - 
   (3*s13*s14*z3)/(2*s134*s34^2*z34) - (s13^2*s14*z3)/(s12*s134*s34^2*z34) - 
   (s14^2*z3)/(s12*s34^2*z34) - (3*s14^2*z3)/(2*s134*s34^2*z34) - 
   (2*s13*s14^2*z3)/(s12*s134*s34^2*z34) - (s14^3*z3)/(s12*s134*s34^2*z34) - 
   (2*s14*s23*z3)/(s12*s34^2*z34) - (s13*s14*s23*z3)/(s12^2*s34^2*z34) - 
   (3*s14*s23*z3)/(2*s134*s34^2*z34) - (2*s13*s14*s23*z3)/
    (s12*s134*s34^2*z34) - (s14^2*s23*z3)/(s12^2*s34^2*z34) - 
   (2*s14^2*s23*z3)/(s12*s134*s34^2*z34) - (s14*s23^2*z3)/(s12^2*s34^2*z34) - 
   (s14*s23^2*z3)/(s12*s134*s34^2*z34) - (s12*s14*s23*z3)/
    (s134*s234*s34^2*z34) - (s13*s14*s23*z3)/(s134*s234*s34^2*z34) - 
   (s14^2*s23*z3)/(s134*s234*s34^2*z34) - (s14*s23^2*z3)/
    (s134*s234*s34^2*z34) - (s24*z3)/(s34^2*z34) + 
   (s13^2*s24*z3)/(s12^2*s34^2*z34) + (s13*s24*z3)/(2*s134*s34^2*z34) + 
   (s13^2*s24*z3)/(2*s12*s134*s34^2*z34) - (2*s14*s24*z3)/(s12*s34^2*z34) + 
   (s13*s14*s24*z3)/(s12^2*s34^2*z34) - (s14*s24*z3)/(s134*s34^2*z34) - 
   (s13*s14*s24*z3)/(s12*s134*s34^2*z34) - (3*s14^2*s24*z3)/
    (2*s12*s134*s34^2*z34) - (s23*s24*z3)/(s12*s34^2*z34) + 
   (s13*s23*s24*z3)/(s12^2*s34^2*z34) + (s13*s23*s24*z3)/
    (2*s12*s134*s34^2*z34) - (s14*s23*s24*z3)/(s12^2*s34^2*z34) - 
   (3*s14*s23*s24*z3)/(2*s12*s134*s34^2*z34) - 
   (s12*s24*z3)/(2*s234*s34^2*z34) + (s13^2*s24*z3)/(2*s12*s234*s34^2*z34) + 
   (s13*s14*s24*z3)/(s12*s234*s34^2*z34) - (s12*s14*s24*z3)/
    (s134*s234*s34^2*z34) - (s13*s14*s24*z3)/(s134*s234*s34^2*z34) + 
   (s14^2*s24*z3)/(2*s12*s234*s34^2*z34) - 
   (s14^2*s24*z3)/(s134*s234*s34^2*z34) - (s23*s24*z3)/(2*s234*s34^2*z34) + 
   (s13*s23*s24*z3)/(2*s12*s234*s34^2*z34) + (s14*s23*s24*z3)/
    (2*s12*s234*s34^2*z34) - (2*s14*s23*s24*z3)/(s134*s234*s34^2*z34) - 
   (s24^2*z3)/(s12*s34^2*z34) + (s13*s24^2*z3)/(s12^2*s34^2*z34) + 
   (s13*s24^2*z3)/(2*s12*s134*s34^2*z34) - 
   (s14*s24^2*z3)/(2*s12*s134*s34^2*z34) - (s24^2*z3)/(2*s234*s34^2*z34) + 
   (s13*s24^2*z3)/(2*s12*s234*s34^2*z34) + 
   (s14*s24^2*z3)/(2*s12*s234*s34^2*z34) - 
   (s14*s24^2*z3)/(s134*s234*s34^2*z34) - (2*s14*z3)/(s12*s34*z34) - 
   (s14*z3)/(2*s124*s34*z34) - (s13*s14*z3)/(s12^2*s34*z34) + 
   (s13*s14*z3)/(4*s12*s123*s34*z34) - (s13*s14*z3)/(4*s12*s124*s34*z34) + 
   (s13^2*s14*z3)/(4*s12^2*s123*s34*z34) + 
   (s13^2*s14*z3)/(4*s12^2*s124*s34*z34) - (3*s14*z3)/(2*s134*s34*z34) - 
   (2*s13*s14*z3)/(s12*s134*s34*z34) - (s14^2*z3)/(s12^2*s34*z34) + 
   (s14^2*z3)/(4*s12*s123*s34*z34) - (s14^2*z3)/(4*s12*s124*s34*z34) + 
   (s13*s14^2*z3)/(2*s12^2*s123*s34*z34) + 
   (s13*s14^2*z3)/(2*s12^2*s124*s34*z34) - (2*s14^2*z3)/(s12*s134*s34*z34) + 
   (s14^3*z3)/(4*s12^2*s123*s34*z34) + (s14^3*z3)/(4*s12^2*s124*s34*z34) - 
   (2*s14*s23*z3)/(s12^2*s34*z34) - (s14*s23*z3)/(4*s12*s123*s34*z34) - 
   (3*s14*s23*z3)/(4*s12*s124*s34*z34) - (2*s14*s23*z3)/(s12*s134*s34*z34) - 
   (s14*s23^2*z3)/(4*s12^2*s123*s34*z34) - 
   (s14*s23^2*z3)/(4*s12^2*s124*s34*z34) - (s14*z3)/(s234*s34*z34) - 
   (s13*s14*z3)/(s12*s234*s34*z34) - (s12*s14*z3)/(s134*s234*s34*z34) - 
   (s13*s14*z3)/(s134*s234*s34*z34) - (s14^2*z3)/(s12*s234*s34*z34) - 
   (s14^2*z3)/(s134*s234*s34*z34) - (s14*s23*z3)/(s12*s234*s34*z34) - 
   (2*s14*s23*z3)/(s134*s234*s34*z34) - (s24*z3)/(s12*s34*z34) - 
   (s24*z3)/(2*s124*s34*z34) + (s13*s24*z3)/(s12^2*s34*z34) - 
   (s13*s24*z3)/(2*s12*s124*s34*z34) + (s13*s24*z3)/(2*s12*s134*s34*z34) - 
   (s14*s24*z3)/(s12^2*s34*z34) - (s14*s24*z3)/(4*s12*s123*s34*z34) - 
   (5*s14*s24*z3)/(4*s12*s124*s34*z34) - (3*s14*s24*z3)/
    (2*s12*s134*s34*z34) - (s23*s24*z3)/(2*s12*s124*s34*z34) - 
   (s14*s23*s24*z3)/(2*s12^2*s123*s34*z34) - (s14*s23*s24*z3)/
    (2*s12^2*s124*s34*z34) - (s24*z3)/(2*s234*s34*z34) + 
   (s13*s24*z3)/(2*s12*s234*s34*z34) - (s14*s24*z3)/(2*s12*s234*s34*z34) - 
   (2*s14*s24*z3)/(s134*s234*s34*z34) - (s24^2*z3)/(2*s12*s124*s34*z34) - 
   (s14*s24^2*z3)/(4*s12^2*s123*s34*z34) - 
   (s14*s24^2*z3)/(4*s12^2*s124*s34*z34) - (z1*z3)/(s12*z12*z34) + 
   (z1*z3)/(2*s134*z12*z34) + (s13*z1*z3)/(4*s12*s134*z12*z34) + 
   (s14*z1*z3)/(s12^2*z12*z34) - (s14*z1*z3)/(2*s12*s123*z12*z34) - 
   (s14*z1*z3)/(2*s12*s124*z12*z34) - (s13*s14*z1*z3)/
    (4*s12^2*s123*z12*z34) - (s13*s14*z1*z3)/(4*s12^2*s124*z12*z34) + 
   (3*s14*z1*z3)/(4*s12*s134*z12*z34) - (s14^2*z1*z3)/
    (4*s12^2*s123*z12*z34) - (s14^2*z1*z3)/(4*s12^2*s124*z12*z34) + 
   (s23*z1*z3)/(4*s12*s134*z12*z34) - (s14*s23*z1*z3)/
    (4*s12^2*s123*z12*z34) - (s14*s23*z1*z3)/(4*s12^2*s124*z12*z34) - 
   (z1*z3)/(2*s234*z12*z34) - (s13*z1*z3)/(4*s12*s234*z12*z34) + 
   (s14*z1*z3)/(4*s12*s234*z12*z34) - (s23*z1*z3)/(4*s12*s234*z12*z34) + 
   (2*s24*z1*z3)/(s12^2*z12*z34) + (5*s24*z1*z3)/(4*s12*s134*z12*z34) - 
   (s14*s24*z1*z3)/(4*s12^2*s123*z12*z34) - (s14*s24*z1*z3)/
    (4*s12^2*s124*z12*z34) + (3*s24*z1*z3)/(4*s12*s234*z12*z34) - 
   (2*s14*z1*z3)/(s34^2*z12*z34) - (2*s13*s14*z1*z3)/(s12*s34^2*z12*z34) - 
   (s12*s14*z1*z3)/(s134*s34^2*z12*z34) - (s13*s14*z1*z3)/
    (s134*s34^2*z12*z34) - (2*s14^2*z1*z3)/(s12*s34^2*z12*z34) - 
   (s14^2*z1*z3)/(s134*s34^2*z12*z34) - (3*s14*s23*z1*z3)/
    (s12*s34^2*z12*z34) - (s13*s14*s23*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s14*s23*z1*z3)/(2*s134*s34^2*z12*z34) - (s13*s14*s23*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) - (s14^2*s23*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s14^2*s23*z1*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s23^2*z1*z3)/(s12^2*s34^2*z12*z34) - (s14*s23^2*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s23*z1*z3)/(2*s234*s34^2*z12*z34) + 
   (s13*s14*s23*z1*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14^2*s23*z1*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s23^2*z1*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (s24*z1*z3)/(s34^2*z12*z34) + (s13^2*s24*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (3*s13*s24*z1*z3)/(4*s134*s34^2*z12*z34) + (3*s13^2*s24*z1*z3)/
    (4*s12*s134*s34^2*z12*z34) - (3*s14*s24*z1*z3)/(s12*s34^2*z12*z34) + 
   (s13*s14*s24*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s14*s24*z1*z3)/(4*s134*s34^2*z12*z34) + (s13*s14*s24*z1*z3)/
    (s12*s134*s34^2*z12*z34) + (s14^2*s24*z1*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (s23*s24*z1*z3)/(s12*s34^2*z12*z34) + (s13*s23*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s23*s24*z1*z3)/(4*s134*s34^2*z12*z34) + 
   (s13*s23*s24*z1*z3)/(s12*s134*s34^2*z12*z34) - 
   (s14*s23*s24*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (s23^2*s24*z1*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (s12*s24*z1*z3)/(s234*s34^2*z12*z34) - (5*s13*s24*z1*z3)/
    (4*s234*s34^2*z12*z34) - (s13^2*s24*z1*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (3*s14*s24*z1*z3)/(4*s234*s34^2*z12*z34) + 
   (s14^2*s24*z1*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (3*s23*s24*z1*z3)/(4*s234*s34^2*z12*z34) + (s14*s23*s24*z1*z3)/
    (s12*s234*s34^2*z12*z34) + (s23^2*s24*z1*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (s24^2*z1*z3)/(s12*s34^2*z12*z34) + (s13*s24^2*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s24^2*z1*z3)/(4*s134*s34^2*z12*z34) + 
   (s13*s24^2*z1*z3)/(s12*s134*s34^2*z12*z34) + 
   (s14*s24^2*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s23*s24^2*z1*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (3*s24^2*z1*z3)/(4*s234*s34^2*z12*z34) + (s14*s24^2*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s23*s24^2*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s24^3*z1*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s24^3*z1*z3)/(4*s12*s234*s34^2*z12*z34) - (z1*z3)/(s34*z12*z34) - 
   (s13*z1*z3)/(s12*s34*z12*z34) + (s12*z1*z3)/(2*s134*s34*z12*z34) + 
   (3*s13*z1*z3)/(4*s134*s34*z12*z34) + (s13^2*z1*z3)/
    (4*s12*s134*s34*z12*z34) - (2*s14*z1*z3)/(s12*s34*z12*z34) - 
   (s14*z1*z3)/(2*s123*s34*z12*z34) - (s14*z1*z3)/(2*s124*s34*z12*z34) + 
   (s13*s14*z1*z3)/(s12^2*s34*z12*z34) - (3*s13*s14*z1*z3)/
    (4*s12*s123*s34*z12*z34) - (3*s13*s14*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s14*z1*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^2*s14*z1*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s14*z1*z3)/(4*s134*s34*z12*z34) + (s13*s14*z1*z3)/
    (s12*s134*s34*z12*z34) + (s14^2*z1*z3)/(s12^2*s34*z12*z34) - 
   (3*s14^2*z1*z3)/(4*s12*s123*s34*z12*z34) - 
   (3*s14^2*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13*s14^2*z1*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s14^2*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s14^2*z1*z3)/(4*s12*s134*s34*z12*z34) - 
   (s14^3*z1*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^3*z1*z3)/(4*s12^2*s124*s34*z12*z34) - (s23*z1*z3)/(s12*s34*z12*z34) + 
   (3*s23*z1*z3)/(4*s134*s34*z12*z34) + (s13*s23*z1*z3)/
    (2*s12*s134*s34*z12*z34) - (3*s14*s23*z1*z3)/(4*s12*s123*s34*z12*z34) - 
   (3*s14*s23*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13*s14*s23*z1*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s14*s23*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s23*z1*z3)/(2*s12*s134*s34*z12*z34) - 
   (s14^2*s23*z1*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s14^2*s23*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^2*z1*z3)/(4*s12*s134*s34*z12*z34) - (s14*s23^2*z1*z3)/
    (4*s12^2*s123*s34*z12*z34) - (s14*s23^2*z1*z3)/
    (4*s12^2*s124*s34*z12*z34) - (s12*z1*z3)/(2*s234*s34*z12*z34) - 
   (3*s13*z1*z3)/(4*s234*s34*z12*z34) - (s13^2*z1*z3)/
    (4*s12*s234*s34*z12*z34) - (s14*z1*z3)/(4*s234*s34*z12*z34) + 
   (s14^2*z1*z3)/(4*s12*s234*s34*z12*z34) - 
   (3*s23*z1*z3)/(4*s234*s34*z12*z34) - (s13*s23*z1*z3)/
    (2*s12*s234*s34*z12*z34) + (s14*s23*z1*z3)/(2*s12*s234*s34*z12*z34) - 
   (s23^2*z1*z3)/(4*s12*s234*s34*z12*z34) + (3*s13*s24*z1*z3)/
    (s12^2*s34*z12*z34) + (7*s24*z1*z3)/(4*s134*s34*z12*z34) + 
   (9*s13*s24*z1*z3)/(4*s12*s134*s34*z12*z34) + 
   (3*s14*s24*z1*z3)/(s12^2*s34*z12*z34) - (3*s14*s24*z1*z3)/
    (4*s12*s123*s34*z12*z34) - (3*s14*s24*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13*s14*s24*z1*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s14*s24*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (9*s14*s24*z1*z3)/(4*s12*s134*s34*z12*z34) - 
   (s14^2*s24*z1*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s14^2*s24*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (2*s23*s24*z1*z3)/(s12^2*s34*z12*z34) + (7*s23*s24*z1*z3)/
    (4*s12*s134*s34*z12*z34) - (s14*s23*s24*z1*z3)/
    (2*s12^2*s123*s34*z12*z34) - (s14*s23*s24*z1*z3)/
    (2*s12^2*s124*s34*z12*z34) - (3*s24*z1*z3)/(4*s234*s34*z12*z34) + 
   (s13*s24*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (5*s14*s24*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (3*s23*s24*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (2*s24^2*z1*z3)/(s12^2*s34*z12*z34) + (3*s24^2*z1*z3)/
    (2*s12*s134*s34*z12*z34) - (s14*s24^2*z1*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s14*s24^2*z1*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s24^2*z1*z3)/(s12*s234*s34*z12*z34) - (2*s14*z1*z2*z3)/
    (s12^2*z12^2*z34) - (2*s24*z1*z2*z3)/(s12^2*z12^2*z34) + 
   (2*s14*z1*z2*z3)/(s34^2*z12^2*z34) + (2*s13*s14*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) + (2*s14^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (2*s14*s23*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (2*s24*z1*z2*z3)/(s34^2*z12^2*z34) + (2*s13*s24*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) + (4*s14*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (2*s23*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (2*s24^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (2*s13*s14*z1*z2*z3)/
    (s12^2*s34*z12^2*z34) - (2*s14^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (2*s14*s23*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (2*s13*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (4*s14*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (2*s23*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (2*s24^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) - (z2*z3)/(s12*z12*z34) + 
   (s14*z2*z3)/(s12^2*z12*z34) + (s14*z2*z3)/(2*s12*s123*z12*z34) + 
   (s14*z2*z3)/(2*s12*s124*z12*z34) + (s13*s14*z2*z3)/
    (4*s12^2*s123*z12*z34) + (s13*s14*z2*z3)/(4*s12^2*s124*z12*z34) + 
   (s14*z2*z3)/(2*s12*s134*z12*z34) + (s14^2*z2*z3)/(4*s12^2*s123*z12*z34) + 
   (s14^2*z2*z3)/(4*s12^2*s124*z12*z34) + (s14*s23*z2*z3)/
    (4*s12^2*s123*z12*z34) + (s14*s23*z2*z3)/(4*s12^2*s124*z12*z34) + 
   (s14*z2*z3)/(2*s12*s234*z12*z34) + (s14*s24*z2*z3)/
    (4*s12^2*s123*z12*z34) + (s14*s24*z2*z3)/(4*s12^2*s124*z12*z34) + 
   (s14*z2*z3)/(s34^2*z12*z34) + (s13*s14*z2*z3)/(s12*s34^2*z12*z34) + 
   (s13*s14*z2*z3)/(4*s134*s34^2*z12*z34) + (s13^2*s14*z2*z3)/
    (4*s12*s134*s34^2*z12*z34) + (s14^2*z2*z3)/(s12*s34^2*z12*z34) + 
   (s14^2*z2*z3)/(4*s134*s34^2*z12*z34) + (s13*s14^2*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) + (s14^3*z2*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (2*s14*s23*z2*z3)/(s12*s34^2*z12*z34) + (s13*s14*s23*z2*z3)/
    (s12^2*s34^2*z12*z34) + (s14*s23*z2*z3)/(4*s134*s34^2*z12*z34) + 
   (s13*s14*s23*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*s23*z2*z3)/(s12^2*s34^2*z12*z34) + (s14^2*s23*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s23^2*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s14*s23^2*z2*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s13*s14*z2*z3)/(4*s234*s34^2*z12*z34) + (s13^2*s14*z2*z3)/
    (4*s12*s234*s34^2*z12*z34) + (s14^2*z2*z3)/(4*s234*s34^2*z12*z34) + 
   (s13*s14^2*z2*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14^3*z2*z3)/(4*s12*s234*s34^2*z12*z34) + 
   (s14*s23*z2*z3)/(4*s234*s34^2*z12*z34) + (s13*s14*s23*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s23*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s23^2*z2*z3)/
    (4*s12*s234*s34^2*z12*z34) - (s13*s24*z2*z3)/(s12*s34^2*z12*z34) - 
   (s13^2*s24*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s14*s24*z2*z3)/(s12*s34^2*z12*z34) - (s13*s14*s24*z2*z3)/
    (s12^2*s34^2*z12*z34) + (s14*s24*z2*z3)/(4*s134*s34^2*z12*z34) + 
   (s13*s14*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (s13*s23*s24*z2*z3)/(s12^2*s34^2*z12*z34) + (s14*s23*s24*z2*z3)/
    (s12^2*s34^2*z12*z34) + (s14*s23*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s24*z2*z3)/(4*s234*s34^2*z12*z34) + (s13*s14*s24*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s24*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s23*s24*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s13*s24^2*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s14*s24^2*z2*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s14*s24^2*z2*z3)/(4*s12*s234*s34^2*z12*z34) - (z2*z3)/(s34*z12*z34) - 
   (s13*z2*z3)/(s12*s34*z12*z34) + (s14*z2*z3)/(s12*s34*z12*z34) + 
   (s14*z2*z3)/(2*s123*s34*z12*z34) + (s14*z2*z3)/(2*s124*s34*z12*z34) + 
   (s13*s14*z2*z3)/(s12^2*s34*z12*z34) + (3*s13*s14*z2*z3)/
    (4*s12*s123*s34*z12*z34) + (3*s13*s14*z2*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s14*z2*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z2*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s14*z2*z3)/(2*s134*s34*z12*z34) + (3*s13*s14*z2*z3)/
    (4*s12*s134*s34*z12*z34) + (s14^2*z2*z3)/(s12^2*s34*z12*z34) + 
   (3*s14^2*z2*z3)/(4*s12*s123*s34*z12*z34) + 
   (3*s14^2*z2*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14^2*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14^2*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s14^2*z2*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14^3*z2*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^3*z2*z3)/(4*s12^2*s124*s34*z12*z34) - (s23*z2*z3)/(s12*s34*z12*z34) + 
   (2*s14*s23*z2*z3)/(s12^2*s34*z12*z34) + (3*s14*s23*z2*z3)/
    (4*s12*s123*s34*z12*z34) + (3*s14*s23*z2*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14*s23*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14*s23*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s14*s23*z2*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s23^2*z2*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s14*s23^2*z2*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s14*z2*z3)/(2*s234*s34*z12*z34) + (3*s13*s14*z2*z3)/
    (4*s12*s234*s34*z12*z34) + (3*s14^2*z2*z3)/(4*s12*s234*s34*z12*z34) + 
   (3*s14*s23*z2*z3)/(4*s12*s234*s34*z12*z34) - 
   (s24*z2*z3)/(s12*s34*z12*z34) - (s13*s24*z2*z3)/(s12^2*s34*z12*z34) + 
   (s14*s24*z2*z3)/(s12^2*s34*z12*z34) + (3*s14*s24*z2*z3)/
    (4*s12*s123*s34*z12*z34) + (3*s14*s24*z2*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14*s24*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14*s24*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s14*s24*z2*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14^2*s24*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s24*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s23*s24*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23*s24*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s14*s24*z2*z3)/(4*s12*s234*s34*z12*z34) + 
   (s14*s24^2*z2*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s14*s24^2*z2*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s14*z3^2)/(s34^2*z12*z34) + (s13*s14*z3^2)/(s12*s34^2*z12*z34) - 
   (s12*s14*z3^2)/(2*s134*s34^2*z12*z34) - (3*s13*s14*z3^2)/
    (4*s134*s34^2*z12*z34) - (s13^2*s14*z3^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s14^2*z3^2)/(s12*s34^2*z12*z34) - (3*s14^2*z3^2)/(4*s134*s34^2*z12*z34) - 
   (s13*s14^2*z3^2)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^3*z3^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s14*s23*z3^2)/(s12*s34^2*z12*z34) - (3*s14*s23*z3^2)/
    (4*s134*s34^2*z12*z34) - (s13*s14*s23*z3^2)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^2*s23*z3^2)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s23^2*z3^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s12*s14*z3^2)/(2*s234*s34^2*z12*z34) + (3*s13*s14*z3^2)/
    (4*s234*s34^2*z12*z34) + (s13^2*s14*z3^2)/(4*s12*s234*s34^2*z12*z34) + 
   (3*s14^2*z3^2)/(4*s234*s34^2*z12*z34) + (s13*s14^2*z3^2)/
    (2*s12*s234*s34^2*z12*z34) + (s14^3*z3^2)/(4*s12*s234*s34^2*z12*z34) + 
   (3*s14*s23*z3^2)/(4*s234*s34^2*z12*z34) + (s13*s14*s23*z3^2)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s23*z3^2)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s23^2*z3^2)/
    (4*s12*s234*s34^2*z12*z34) + (s24*z3^2)/(s34^2*z12*z34) + 
   (s13*s24*z3^2)/(s12*s34^2*z12*z34) + (2*s14*s24*z3^2)/
    (s12*s34^2*z12*z34) - (3*s14*s24*z3^2)/(4*s134*s34^2*z12*z34) - 
   (s13*s14*s24*z3^2)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^2*s24*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s23*s24*z3^2)/(s12*s34^2*z12*z34) - (s14*s23*s24*z3^2)/
    (2*s12*s134*s34^2*z12*z34) + (3*s14*s24*z3^2)/(4*s234*s34^2*z12*z34) + 
   (s13*s14*s24*z3^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s14^2*s24*z3^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s23*s24*z3^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s24^2*z3^2)/(s12*s34^2*z12*z34) - (s14*s24^2*z3^2)/
    (4*s12*s134*s34^2*z12*z34) + (s14*s24^2*z3^2)/
    (4*s12*s234*s34^2*z12*z34) + (s14*z3^2)/(s12*s34*z12*z34) - 
   (s14*z3^2)/(2*s134*s34*z12*z34) - (s13*s14*z3^2)/
    (4*s12*s134*s34*z12*z34) - (s14^2*z3^2)/(4*s12*s134*s34*z12*z34) - 
   (s14*s23*z3^2)/(4*s12*s134*s34*z12*z34) + 
   (s14*z3^2)/(2*s234*s34*z12*z34) + (s13*s14*z3^2)/
    (4*s12*s234*s34*z12*z34) + (s14^2*z3^2)/(4*s12*s234*s34*z12*z34) + 
   (s14*s23*z3^2)/(4*s12*s234*s34*z12*z34) + (s24*z3^2)/(s12*s34*z12*z34) - 
   (s14*s24*z3^2)/(4*s12*s134*s34*z12*z34) + 
   (s14*s24*z3^2)/(4*s12*s234*s34*z12*z34) + z4/(s12*z12) + z4/(s123*z12) + 
   (3*z4)/(2*s124*z12) + (s12*z4)/(s123*s124*z12) + 
   (3*s13*z4)/(2*s12*s124*z12) + (2*s13*z4)/(s123*s124*z12) + 
   (s13^2*z4)/(s12*s123*s124*z12) + z4/(2*s134*z12) - 
   (s13*z4)/(s123*s134*z12) + (s13*z4)/(2*s124*s134*z12) - 
   (s13^2*z4)/(s12*s123*s134*z12) + (3*s14*z4)/(2*s12*s124*z12) + 
   (s14*z4)/(s123*s124*z12) + (s13*s14*z4)/(s12*s123*s124*z12) + 
   (s13*s14*z4)/(2*s12*s124*s134*z12) + (3*s23*z4)/(2*s12*s124*z12) + 
   (2*s23*z4)/(s123*s124*z12) + (2*s13*s23*z4)/(s12*s123*s124*z12) - 
   (s13*s23*z4)/(s12*s123*s134*z12) + (s14*s23*z4)/(s12*s123*s124*z12) + 
   (s23^2*z4)/(s12*s123*s124*z12) - (s13*z4)/(2*s123*s234*z12) + 
   (s13*z4)/(s124*s234*z12) - (s13^2*z4)/(2*s12*s123*s234*z12) + 
   (s13*s14*z4)/(s12*s124*s234*z12) - (s13*s23*z4)/(2*s12*s123*s234*z12) + 
   (3*s24*z4)/(2*s12*s124*z12) + (s24*z4)/(s123*s124*z12) + 
   (s13*s24*z4)/(s12*s123*s124*z12) + (s13*s24*z4)/(2*s12*s124*s134*z12) + 
   (s23*s24*z4)/(s12*s123*s124*z12) + (s13*s24*z4)/(s12*s124*s234*z12) + 
   (s12*z4)/(s34^2*z12) + (2*s13*z4)/(s34^2*z12) + 
   (s13^2*z4)/(s12*s34^2*z12) - (s12*s13*z4)/(4*s134*s34^2*z12) - 
   (s13^2*z4)/(2*s134*s34^2*z12) - (s13^3*z4)/(4*s12*s134*s34^2*z12) + 
   (s14*z4)/(s34^2*z12) + (s13*s14*z4)/(s12*s34^2*z12) - 
   (s12*s14*z4)/(4*s134*s34^2*z12) - (5*s13*s14*z4)/(4*s134*s34^2*z12) - 
   (s13^2*s14*z4)/(s12*s134*s34^2*z12) - (s14^2*z4)/(4*s134*s34^2*z12) - 
   (3*s13*s14^2*z4)/(4*s12*s134*s34^2*z12) + (2*s23*z4)/(s34^2*z12) + 
   (2*s13*s23*z4)/(s12*s34^2*z12) + (s12*s23*z4)/(4*s134*s34^2*z12) - 
   (s13*s23*z4)/(4*s134*s34^2*z12) - (s13^2*s23*z4)/(2*s12*s134*s34^2*z12) + 
   (s14*s23*z4)/(s12*s34^2*z12) - (s13*s14*s23*z4)/(s12*s134*s34^2*z12) + 
   (s23^2*z4)/(s12*s34^2*z12) + (s23^2*z4)/(4*s134*s34^2*z12) - 
   (s13*s23^2*z4)/(4*s12*s134*s34^2*z12) + 
   (3*s12*s13*z4)/(4*s234*s34^2*z12) + (s13^2*z4)/(s234*s34^2*z12) + 
   (s13^3*z4)/(4*s12*s234*s34^2*z12) - (s12*s14*z4)/(4*s234*s34^2*z12) + 
   (5*s13*s14*z4)/(4*s234*s34^2*z12) + (s13^2*s14*z4)/(s12*s234*s34^2*z12) - 
   (s14^2*z4)/(4*s234*s34^2*z12) + (3*s13*s14^2*z4)/(4*s12*s234*s34^2*z12) + 
   (s12*s23*z4)/(4*s234*s34^2*z12) + (5*s13*s23*z4)/(4*s234*s34^2*z12) + 
   (s13^2*s23*z4)/(2*s12*s234*s34^2*z12) + (s13*s14*s23*z4)/
    (s12*s234*s34^2*z12) + (s23^2*z4)/(4*s234*s34^2*z12) + 
   (s13*s23^2*z4)/(4*s12*s234*s34^2*z12) + (s24*z4)/(s34^2*z12) + 
   (s13*s24*z4)/(s12*s34^2*z12) - (s12*s24*z4)/(4*s134*s34^2*z12) - 
   (5*s13*s24*z4)/(4*s134*s34^2*z12) - (s13^2*s24*z4)/(s12*s134*s34^2*z12) - 
   (s14*s24*z4)/(2*s134*s34^2*z12) - (3*s13*s14*s24*z4)/
    (2*s12*s134*s34^2*z12) + (s23*s24*z4)/(s12*s34^2*z12) - 
   (s13*s23*s24*z4)/(s12*s134*s34^2*z12) - (s12*s24*z4)/(4*s234*s34^2*z12) + 
   (5*s13*s24*z4)/(4*s234*s34^2*z12) + (s13^2*s24*z4)/(s12*s234*s34^2*z12) - 
   (s14*s24*z4)/(2*s234*s34^2*z12) + (3*s13*s14*s24*z4)/
    (2*s12*s234*s34^2*z12) + (s13*s23*s24*z4)/(s12*s234*s34^2*z12) - 
   (s24^2*z4)/(4*s134*s34^2*z12) - (3*s13*s24^2*z4)/(4*s12*s134*s34^2*z12) - 
   (s24^2*z4)/(4*s234*s34^2*z12) + (3*s13*s24^2*z4)/(4*s12*s234*s34^2*z12) + 
   (2*z4)/(s34*z12) + (s12*z4)/(s123*s34*z12) + (s12*z4)/(s124*s34*z12) + 
   (2*s13*z4)/(s12*s34*z12) + (s13*z4)/(s123*s34*z12) + 
   (2*s13*z4)/(s124*s34*z12) + (s13^2*z4)/(s12*s124*s34*z12) + 
   (s12*z4)/(2*s134*s34*z12) + (s13*z4)/(4*s134*s34*z12) - 
   (s12*s13*z4)/(s123*s134*s34*z12) + (s12*s13*z4)/(2*s124*s134*s34*z12) - 
   (s13^2*z4)/(4*s12*s134*s34*z12) - (2*s13^2*z4)/(s123*s134*s34*z12) + 
   (s13^2*z4)/(2*s124*s134*s34*z12) - (s13^3*z4)/(s12*s123*s134*s34*z12) + 
   (s14*z4)/(s12*s34*z12) + (s14*z4)/(s123*s34*z12) + 
   (2*s14*z4)/(s124*s34*z12) + (2*s13*s14*z4)/(s12*s124*s34*z12) + 
   (s14*z4)/(4*s134*s34*z12) - (3*s13*s14*z4)/(4*s12*s134*s34*z12) - 
   (s13*s14*z4)/(s123*s134*s34*z12) + (s13*s14*z4)/(s124*s134*s34*z12) - 
   (s13^2*s14*z4)/(s12*s123*s134*s34*z12) + 
   (s13^2*s14*z4)/(2*s12*s124*s134*s34*z12) + (s14^2*z4)/(s12*s124*s34*z12) + 
   (s13*s14^2*z4)/(2*s12*s124*s134*s34*z12) + (2*s23*z4)/(s12*s34*z12) + 
   (s23*z4)/(s123*s34*z12) + (2*s23*z4)/(s124*s34*z12) + 
   (2*s13*s23*z4)/(s12*s124*s34*z12) + (3*s23*z4)/(4*s134*s34*z12) - 
   (s13*s23*z4)/(4*s12*s134*s34*z12) - (2*s13*s23*z4)/(s123*s134*s34*z12) + 
   (s13*s23*z4)/(2*s124*s134*s34*z12) - (2*s13^2*s23*z4)/
    (s12*s123*s134*s34*z12) + (2*s14*s23*z4)/(s12*s124*s34*z12) - 
   (s13*s14*s23*z4)/(s12*s123*s134*s34*z12) + 
   (s13*s14*s23*z4)/(2*s12*s124*s134*s34*z12) + 
   (s23^2*z4)/(s12*s124*s34*z12) - (s13*s23^2*z4)/(s12*s123*s134*s34*z12) + 
   (3*s13*z4)/(4*s234*s34*z12) - (s12*s13*z4)/(2*s123*s234*s34*z12) + 
   (s12*s13*z4)/(s124*s234*s34*z12) + (s13^2*z4)/(4*s12*s234*s34*z12) - 
   (s13^2*z4)/(s123*s234*s34*z12) + (s13^2*z4)/(s124*s234*s34*z12) - 
   (s13^3*z4)/(2*s12*s123*s234*s34*z12) - (s14*z4)/(4*s234*s34*z12) + 
   (3*s13*s14*z4)/(4*s12*s234*s34*z12) - (s13*s14*z4)/(2*s123*s234*s34*z12) + 
   (2*s13*s14*z4)/(s124*s234*s34*z12) - (s13^2*s14*z4)/
    (2*s12*s123*s234*s34*z12) + (s13^2*s14*z4)/(s12*s124*s234*s34*z12) + 
   (s13*s14^2*z4)/(s12*s124*s234*s34*z12) + (s23*z4)/(4*s234*s34*z12) + 
   (s13*s23*z4)/(4*s12*s234*s34*z12) - (s13*s23*z4)/(s123*s234*s34*z12) + 
   (s13*s23*z4)/(s124*s234*s34*z12) - (s13^2*s23*z4)/
    (s12*s123*s234*s34*z12) - (s13*s14*s23*z4)/(2*s12*s123*s234*s34*z12) + 
   (s13*s14*s23*z4)/(s12*s124*s234*s34*z12) - 
   (s13*s23^2*z4)/(2*s12*s123*s234*s34*z12) + (s24*z4)/(s12*s34*z12) + 
   (s24*z4)/(s123*s34*z12) + (2*s24*z4)/(s124*s34*z12) + 
   (2*s13*s24*z4)/(s12*s124*s34*z12) + (s24*z4)/(4*s134*s34*z12) - 
   (3*s13*s24*z4)/(4*s12*s134*s34*z12) - (s13*s24*z4)/(s123*s134*s34*z12) + 
   (s13*s24*z4)/(s124*s134*s34*z12) - (s13^2*s24*z4)/
    (s12*s123*s134*s34*z12) + (s13^2*s24*z4)/(2*s12*s124*s134*s34*z12) + 
   (2*s14*s24*z4)/(s12*s124*s34*z12) + (s13*s14*s24*z4)/
    (s12*s124*s134*s34*z12) + (2*s23*s24*z4)/(s12*s124*s34*z12) - 
   (s13*s23*s24*z4)/(s12*s123*s134*s34*z12) + 
   (s13*s23*s24*z4)/(2*s12*s124*s134*s34*z12) - (s24*z4)/(4*s234*s34*z12) + 
   (3*s13*s24*z4)/(4*s12*s234*s34*z12) - (s13*s24*z4)/(2*s123*s234*s34*z12) + 
   (2*s13*s24*z4)/(s124*s234*s34*z12) - (s13^2*s24*z4)/
    (2*s12*s123*s234*s34*z12) + (s13^2*s24*z4)/(s12*s124*s234*s34*z12) + 
   (2*s13*s14*s24*z4)/(s12*s124*s234*s34*z12) - 
   (s13*s23*s24*z4)/(2*s12*s123*s234*s34*z12) + 
   (s13*s23*s24*z4)/(s12*s124*s234*s34*z12) + (s24^2*z4)/(s12*s124*s34*z12) + 
   (s13*s24^2*z4)/(2*s12*s124*s134*s34*z12) + 
   (s13*s24^2*z4)/(s12*s124*s234*s34*z12) + (s34*z4)/(2*s12*s124*z12) + 
   (s34*z4)/(s123*s124*z12) + (s13*s34*z4)/(s12*s123*s124*z12) + 
   (s23*s34*z4)/(s12*s123*s124*z12) - (2*s13*z3*z4)/(s12^2*z34^2) + 
   (z3*z4)/(s134*z34^2) - (s13*z3*z4)/(s12*s134*z34^2) - 
   (2*s14*z3*z4)/(s12^2*z34^2) - (s14*z3*z4)/(s12*s134*z34^2) + 
   (z3*z4)/(s234*z34^2) - (s13*z3*z4)/(s12*s234*z34^2) - 
   (s14*z3*z4)/(s12*s234*z34^2) + (2*s13*z3*z4)/(s34^2*z34^2) - 
   (2*s13^3*z3*z4)/(s12^2*s34^2*z34^2) + (s12*s13*z3*z4)/(s134*s34^2*z34^2) - 
   (s13^3*z3*z4)/(s12*s134*s34^2*z34^2) + (2*s14*z3*z4)/(s34^2*z34^2) - 
   (6*s13^2*s14*z3*z4)/(s12^2*s34^2*z34^2) + 
   (s12*s14*z3*z4)/(s134*s34^2*z34^2) - (3*s13^2*s14*z3*z4)/
    (s12*s134*s34^2*z34^2) - (6*s13*s14^2*z3*z4)/(s12^2*s34^2*z34^2) - 
   (3*s13*s14^2*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (2*s14^3*z3*z4)/(s12^2*s34^2*z34^2) - (s14^3*z3*z4)/
    (s12*s134*s34^2*z34^2) + (2*s23*z3*z4)/(s34^2*z34^2) + 
   (4*s13*s23*z3*z4)/(s12*s34^2*z34^2) - (2*s13^2*s23*z3*z4)/
    (s12^2*s34^2*z34^2) + (s13*s23*z3*z4)/(s134*s34^2*z34^2) - 
   (s13^2*s23*z3*z4)/(s12*s134*s34^2*z34^2) + 
   (4*s14*s23*z3*z4)/(s12*s34^2*z34^2) - (4*s13*s14*s23*z3*z4)/
    (s12^2*s34^2*z34^2) + (s14*s23*z3*z4)/(s134*s34^2*z34^2) - 
   (2*s13*s14*s23*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (2*s14^2*s23*z3*z4)/(s12^2*s34^2*z34^2) - (s14^2*s23*z3*z4)/
    (s12*s134*s34^2*z34^2) + (2*s23^2*z3*z4)/(s12*s34^2*z34^2) + 
   (s12*s23*z3*z4)/(s234*s34^2*z34^2) - (s13^2*s23*z3*z4)/
    (s12*s234*s34^2*z34^2) - (2*s13*s14*s23*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (s14^2*s23*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (s23^2*z3*z4)/(s234*s34^2*z34^2) - (s13*s23^2*z3*z4)/
    (s12*s234*s34^2*z34^2) - (s14*s23^2*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (2*s24*z3*z4)/(s34^2*z34^2) + (4*s13*s24*z3*z4)/(s12*s34^2*z34^2) - 
   (2*s13^2*s24*z3*z4)/(s12^2*s34^2*z34^2) + 
   (s13*s24*z3*z4)/(s134*s34^2*z34^2) - (s13^2*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) + (4*s14*s24*z3*z4)/(s12*s34^2*z34^2) - 
   (4*s13*s14*s24*z3*z4)/(s12^2*s34^2*z34^2) + 
   (s14*s24*z3*z4)/(s134*s34^2*z34^2) - (2*s13*s14*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) - (2*s14^2*s24*z3*z4)/(s12^2*s34^2*z34^2) - 
   (s14^2*s24*z3*z4)/(s12*s134*s34^2*z34^2) + 
   (4*s23*s24*z3*z4)/(s12*s34^2*z34^2) + (s12*s24*z3*z4)/(s234*s34^2*z34^2) - 
   (s13^2*s24*z3*z4)/(s12*s234*s34^2*z34^2) - (2*s13*s14*s24*z3*z4)/
    (s12*s234*s34^2*z34^2) - (s14^2*s24*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (2*s23*s24*z3*z4)/(s234*s34^2*z34^2) - (2*s13*s23*s24*z3*z4)/
    (s12*s234*s34^2*z34^2) - (2*s14*s23*s24*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (2*s24^2*z3*z4)/(s12*s34^2*z34^2) + (s24^2*z3*z4)/(s234*s34^2*z34^2) - 
   (s13*s24^2*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (s14*s24^2*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (4*s13^2*z3*z4)/(s12^2*s34*z34^2) + (s12*z3*z4)/(s134*s34*z34^2) + 
   (s13*z3*z4)/(s134*s34*z34^2) - (2*s13^2*z3*z4)/(s12*s134*s34*z34^2) - 
   (8*s13*s14*z3*z4)/(s12^2*s34*z34^2) + (s14*z3*z4)/(s134*s34*z34^2) - 
   (4*s13*s14*z3*z4)/(s12*s134*s34*z34^2) - (4*s14^2*z3*z4)/
    (s12^2*s34*z34^2) - (2*s14^2*z3*z4)/(s12*s134*s34*z34^2) + 
   (2*s23*z3*z4)/(s12*s34*z34^2) - (2*s13*s23*z3*z4)/(s12^2*s34*z34^2) + 
   (s23*z3*z4)/(s134*s34*z34^2) - (s13*s23*z3*z4)/(s12*s134*s34*z34^2) - 
   (2*s14*s23*z3*z4)/(s12^2*s34*z34^2) - (s14*s23*z3*z4)/
    (s12*s134*s34*z34^2) + (s12*z3*z4)/(s234*s34*z34^2) - 
   (s13^2*z3*z4)/(s12*s234*s34*z34^2) - (2*s13*s14*z3*z4)/
    (s12*s234*s34*z34^2) - (s14^2*z3*z4)/(s12*s234*s34*z34^2) + 
   (2*s23*z3*z4)/(s234*s34*z34^2) - (2*s13*s23*z3*z4)/(s12*s234*s34*z34^2) - 
   (2*s14*s23*z3*z4)/(s12*s234*s34*z34^2) + (2*s24*z3*z4)/(s12*s34*z34^2) - 
   (2*s13*s24*z3*z4)/(s12^2*s34*z34^2) + (s24*z3*z4)/(s134*s34*z34^2) - 
   (s13*s24*z3*z4)/(s12*s134*s34*z34^2) - (2*s14*s24*z3*z4)/
    (s12^2*s34*z34^2) - (s14*s24*z3*z4)/(s12*s134*s34*z34^2) + 
   (2*s24*z3*z4)/(s234*s34*z34^2) - (2*s13*s24*z3*z4)/(s12*s234*s34*z34^2) - 
   (2*s14*s24*z3*z4)/(s12*s234*s34*z34^2) + (4*z1*z3*z4)/(s12*z12*z34^2) + 
   (2*s13*z1*z3*z4)/(s12^2*z12*z34^2) + (2*z1*z3*z4)/(s134*z12*z34^2) + 
   (s13*z1*z3*z4)/(s12*s134*z12*z34^2) + (2*s14*z1*z3*z4)/(s12^2*z12*z34^2) + 
   (s14*z1*z3*z4)/(s12*s134*z12*z34^2) + (4*s23*z1*z3*z4)/(s12^2*z12*z34^2) + 
   (s23*z1*z3*z4)/(s12*s134*z12*z34^2) + (2*z1*z3*z4)/(s234*z12*z34^2) + 
   (s13*z1*z3*z4)/(s12*s234*z12*z34^2) + (s14*z1*z3*z4)/
    (s12*s234*z12*z34^2) + (s23*z1*z3*z4)/(s12*s234*z12*z34^2) + 
   (4*s24*z1*z3*z4)/(s12^2*z12*z34^2) + (s24*z1*z3*z4)/(s12*s134*z12*z34^2) + 
   (s24*z1*z3*z4)/(s12*s234*z12*z34^2) + (4*s13*z1*z3*z4)/(s34^2*z12*z34^2) + 
   (6*s13^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (2*s13^3*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s12*s13*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (3*s13^2*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (s13^3*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (4*s14*z1*z3*z4)/(s34^2*z12*z34^2) + (12*s13*s14*z1*z3*z4)/
    (s12*s34^2*z12*z34^2) + (6*s13^2*s14*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s12*s14*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (6*s13*s14*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (3*s13^2*s14*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (6*s14^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (6*s13*s14^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s14^2*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (3*s13*s14^2*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (2*s14^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (s14^3*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (2*s23*z1*z3*z4)/(s34^2*z12*z34^2) + (10*s13*s23*z1*z3*z4)/
    (s12*s34^2*z12*z34^2) + (6*s13^2*s23*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (3*s13*s23*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (2*s13^2*s23*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (10*s14*s23*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (12*s13*s14*s23*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s14*s23*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (4*s13*s14*s23*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (6*s14^2*s23*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s14^2*s23*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (4*s23^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (6*s13*s23^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s13*s23^2*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s14*s23^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s14*s23^2*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (2*s23^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s12*s23*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (3*s13*s23*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (s13^2*s23*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s14*s23*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (2*s13*s14*s23*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (s14^2*s23*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s23^2*z1*z3*z4)/(s234*s34^2*z12*z34^2) + (2*s13*s23^2*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) + (2*s14*s23^2*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) + (s23^3*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) + (2*s24*z1*z3*z4)/(s34^2*z12*z34^2) + 
   (10*s13*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) + 
   (6*s13^2*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (3*s13*s24*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (2*s13^2*s24*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (10*s14*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (12*s13*s14*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s14*s24*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (4*s13*s14*s24*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (6*s14^2*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s14^2*s24*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (8*s23*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (12*s13*s23*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s13*s23*s24*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (12*s14*s23*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s14*s23*s24*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s23^2*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s12*s24*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (3*s13*s24*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (s13^2*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s14*s24*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (2*s13*s14*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (s14^2*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (6*s23*s24*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (4*s13*s23*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (4*s14*s23*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s23^2*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (4*s24^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (6*s13*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s13*s24^2*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s14*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s14*s24^2*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s23*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s24^2*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (2*s13*s24^2*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (2*s14*s24^2*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s23*s24^2*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (2*s24^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (s24^3*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (4*z1*z3*z4)/(s34*z12*z34^2) + (10*s13*z1*z3*z4)/(s12*s34*z12*z34^2) + 
   (4*s13^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s12*z1*z3*z4)/(s134*s34*z12*z34^2) + (5*s13*z1*z3*z4)/
    (s134*s34*z12*z34^2) + (2*s13^2*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (10*s14*z1*z3*z4)/(s12*s34*z12*z34^2) + (8*s13*s14*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) + (5*s14*z1*z3*z4)/(s134*s34*z12*z34^2) + 
   (4*s13*s14*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (4*s14^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + (2*s14^2*z1*z3*z4)/
    (s12*s134*s34*z12*z34^2) + (10*s23*z1*z3*z4)/(s12*s34*z12*z34^2) + 
   (10*s13*s23*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (3*s23*z1*z3*z4)/(s134*s34*z12*z34^2) + (3*s13*s23*z1*z3*z4)/
    (s12*s134*s34*z12*z34^2) + (10*s14*s23*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (3*s14*s23*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (6*s23^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (s23^2*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (2*s12*z1*z3*z4)/(s234*s34*z12*z34^2) + (3*s13*z1*z3*z4)/
    (s234*s34*z12*z34^2) + (s13^2*z1*z3*z4)/(s12*s234*s34*z12*z34^2) + 
   (3*s14*z1*z3*z4)/(s234*s34*z12*z34^2) + (2*s13*s14*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (s14^2*z1*z3*z4)/(s12*s234*s34*z12*z34^2) + 
   (5*s23*z1*z3*z4)/(s234*s34*z12*z34^2) + (3*s13*s23*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (3*s14*s23*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (2*s23^2*z1*z3*z4)/(s12*s234*s34*z12*z34^2) + 
   (10*s24*z1*z3*z4)/(s12*s34*z12*z34^2) + (10*s13*s24*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) + (3*s24*z1*z3*z4)/(s134*s34*z12*z34^2) + 
   (3*s13*s24*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (10*s14*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (3*s14*s24*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (12*s23*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s23*s24*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (5*s24*z1*z3*z4)/(s234*s34*z12*z34^2) + (3*s13*s24*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (3*s14*s24*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (4*s23*s24*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (6*s24^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (s24^2*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (2*s24^2*z1*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (8*z1*z2*z3*z4)/(s12*z12^2*z34^2) - (4*s13*z1*z2*z3*z4)/
    (s12^2*z12^2*z34^2) - (4*s14*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) - 
   (4*s23*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) - (4*s24*z1*z2*z3*z4)/
    (s12^2*z12^2*z34^2) - (4*s13*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - 
   (6*s13^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (2*s13^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (4*s14*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - (12*s13*s14*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13^2*s14*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s14^2*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13*s14^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (2*s14^3*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (4*s23*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - 
   (12*s13*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (6*s13^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (12*s14*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (12*s13*s14*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (6*s14^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (6*s23^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (6*s13*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (6*s14*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (2*s23^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (4*s24*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - (12*s13*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (12*s14*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (12*s13*s14*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s14^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (12*s23*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (12*s13*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (12*s14*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s23^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s24^2*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s14*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s23*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (2*s24^3*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (8*z1*z2*z3*z4)/(s34*z12^2*z34^2) - 
   (16*s13*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - (6*s13^2*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (16*s14*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - 
   (12*s13*s14*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (6*s14^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (16*s23*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - (12*s13*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (12*s14*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (6*s23^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (16*s24*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - (12*s13*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (12*s14*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (12*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (6*s24^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (2*s13*z2*z3*z4)/(s12^2*z12*z34^2) + (2*s14*z2*z3*z4)/(s12^2*z12*z34^2) - 
   (2*s13*z2*z3*z4)/(s34^2*z12*z34^2) - (2*s13^2*z2*z3*z4)/
    (s12*s34^2*z12*z34^2) - (2*s14*z2*z3*z4)/(s34^2*z12*z34^2) - 
   (4*s13*s14*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s14^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (2*s13*s23*z2*z3*z4)/
    (s12*s34^2*z12*z34^2) - (2*s14*s23*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s13*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s14*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) + 
   (2*s13^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) + (4*s13*s14*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) + (2*s14^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s13*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s14*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s13*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s14*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) - (2*z3^2*z4)/(s12*z12*z34^2) + 
   (2*s12*z3^2*z4)/(s34^2*z12*z34^2) + (2*s13*z3^2*z4)/(s34^2*z12*z34^2) + 
   (2*s14*z3^2*z4)/(s34^2*z12*z34^2) + (2*s23*z3^2*z4)/(s34^2*z12*z34^2) + 
   (2*s24*z3^2*z4)/(s34^2*z12*z34^2) - (2*s13*z3^2*z4)/(s12*s34*z12*z34^2) - 
   (2*s14*z3^2*z4)/(s12*s34*z12*z34^2) - (2*s23*z3^2*z4)/
    (s12*s34*z12*z34^2) - (2*s24*z3^2*z4)/(s12*s34*z12*z34^2) + 
   z4/(s12*z34) + (s13*z4)/(s12^2*z34) + (s13*z4)/(4*s12*s123*z34) - 
   (3*s13*z4)/(4*s12*s124*z34) + (9*s13^2*z4)/(4*s12^2*s123*z34) + 
   (s13^2*z4)/(4*s12^2*s124*z34) - (s12*z4)/(s123*s134*z34) + 
   (s12*z4)/(2*s124*s134*z34) + (s13*z4)/(s12*s134*z34) + 
   (s13*z4)/(s124*s134*z34) + (4*s13^2*z4)/(s12*s123*s134*z34) + 
   (2*s14*z4)/(s12^2*z34) - (s14*z4)/(4*s12*s123*z34) + 
   (s14*z4)/(4*s12*s124*z34) + (9*s13*s14*z4)/(4*s12^2*s123*z34) + 
   (9*s13*s14*z4)/(4*s12^2*s124*z34) + (2*s14*z4)/(s12*s134*z34) - 
   (2*s14*z4)/(s123*s134*z34) + (4*s13*s14*z4)/(s12*s123*s134*z34) - 
   (2*s13*s14*z4)/(s12*s124*s134*z34) + (2*s14^2*z4)/(s12^2*s124*z34) - 
   (2*s14^2*z4)/(s12*s124*s134*z34) - (3*s23*z4)/(4*s12*s123*z34) - 
   (3*s23*z4)/(4*s12*s124*z34) + (3*s13*s23*z4)/(4*s12^2*s123*z34) - 
   (s13*s23*z4)/(4*s12^2*s124*z34) - (s23*z4)/(s123*s134*z34) + 
   (s23*z4)/(2*s124*s134*z34) + (2*s13*s23*z4)/(s12*s123*s134*z34) - 
   (s14*s23*z4)/(2*s12^2*s123*z34) + (3*s14*s23*z4)/(2*s12^2*s124*z34) - 
   (s14*s23*z4)/(s12*s124*s134*z34) + (s12*z4)/(2*s123*s234*z34) - 
   (s12*z4)/(s124*s234*z34) - (s13*z4)/(2*s123*s234*z34) - 
   (s13*z4)/(s124*s234*z34) - (s13^2*z4)/(s12*s123*s234*z34) + 
   (s14*z4)/(s12*s234*z34) + (s14*z4)/(2*s123*s234*z34) + 
   (s14*z4)/(s124*s234*z34) - (s13*s14*z4)/(s12*s123*s234*z34) + 
   (2*s13*s14*z4)/(s12*s124*s234*z34) + (s14*z4)/(s134*s234*z34) + 
   (2*s14^2*z4)/(s12*s124*s234*z34) + (s23*z4)/(s123*s234*z34) - 
   (2*s23*z4)/(s124*s234*z34) - (2*s13*s23*z4)/(s12*s123*s234*z34) + 
   (4*s14*s23*z4)/(s12*s124*s234*z34) - (s24*z4)/(4*s12*s123*z34) - 
   (3*s24*z4)/(4*s12*s124*z34) + (5*s13*s24*z4)/(4*s12^2*s123*z34) - 
   (3*s13*s24*z4)/(4*s12^2*s124*z34) - (s24*z4)/(s123*s134*z34) + 
   (s24*z4)/(2*s124*s134*z34) + (2*s13*s24*z4)/(s12*s123*s134*z34) + 
   (s14*s24*z4)/(s12^2*s124*z34) - (s14*s24*z4)/(s12*s124*s134*z34) + 
   (s24*z4)/(s123*s234*z34) - (2*s24*z4)/(s124*s234*z34) - 
   (2*s13*s24*z4)/(s12*s123*s234*z34) + (4*s14*s24*z4)/(s12*s124*s234*z34) - 
   (2*s13*z4)/(s34^2*z34) + (2*s13^3*z4)/(s12^2*s34^2*z34) - 
   (s12*s13*z4)/(s134*s34^2*z34) + (s13^3*z4)/(s12*s134*s34^2*z34) - 
   (s14*z4)/(s34^2*z34) + (s13*s14*z4)/(s12*s34^2*z34) + 
   (6*s13^2*s14*z4)/(s12^2*s34^2*z34) - (s12*s14*z4)/(2*s134*s34^2*z34) + 
   (3*s13*s14*z4)/(2*s134*s34^2*z34) + (4*s13^2*s14*z4)/
    (s12*s134*s34^2*z34) + (s14^2*z4)/(s12*s34^2*z34) + 
   (6*s13*s14^2*z4)/(s12^2*s34^2*z34) + (3*s14^2*z4)/(2*s134*s34^2*z34) + 
   (5*s13*s14^2*z4)/(s12*s134*s34^2*z34) + (2*s14^3*z4)/(s12^2*s34^2*z34) + 
   (2*s14^3*z4)/(s12*s134*s34^2*z34) - (2*s23*z4)/(s34^2*z34) - 
   (4*s13*s23*z4)/(s12*s34^2*z34) + (2*s13^2*s23*z4)/(s12^2*s34^2*z34) - 
   (s13*s23*z4)/(s134*s34^2*z34) + (s13^2*s23*z4)/(s12*s134*s34^2*z34) - 
   (2*s14*s23*z4)/(s12*s34^2*z34) + (5*s13*s14*s23*z4)/(s12^2*s34^2*z34) + 
   (s14*s23*z4)/(2*s134*s34^2*z34) + (4*s13*s14*s23*z4)/
    (s12*s134*s34^2*z34) + (3*s14^2*s23*z4)/(s12^2*s34^2*z34) + 
   (3*s14^2*s23*z4)/(s12*s134*s34^2*z34) - (2*s23^2*z4)/(s12*s34^2*z34) + 
   (s14*s23^2*z4)/(s12^2*s34^2*z34) + (s14*s23^2*z4)/(s12*s134*s34^2*z34) - 
   (s12*s23*z4)/(s234*s34^2*z34) + (s13^2*s23*z4)/(s12*s234*s34^2*z34) + 
   (2*s13*s14*s23*z4)/(s12*s234*s34^2*z34) + (s12*s14*s23*z4)/
    (s134*s234*s34^2*z34) + (s13*s14*s23*z4)/(s134*s234*s34^2*z34) + 
   (s14^2*s23*z4)/(s12*s234*s34^2*z34) + (s14^2*s23*z4)/
    (s134*s234*s34^2*z34) - (s23^2*z4)/(s234*s34^2*z34) + 
   (s13*s23^2*z4)/(s12*s234*s34^2*z34) + (s14*s23^2*z4)/
    (s12*s234*s34^2*z34) + (s14*s23^2*z4)/(s134*s234*s34^2*z34) - 
   (s24*z4)/(s34^2*z34) - (4*s13*s24*z4)/(s12*s34^2*z34) + 
   (s13^2*s24*z4)/(s12^2*s34^2*z34) - (3*s13*s24*z4)/(2*s134*s34^2*z34) + 
   (s13^2*s24*z4)/(2*s12*s134*s34^2*z34) - (2*s14*s24*z4)/(s12*s34^2*z34) + 
   (3*s13*s14*s24*z4)/(s12^2*s34^2*z34) + (3*s13*s14*s24*z4)/
    (s12*s134*s34^2*z34) + (2*s14^2*s24*z4)/(s12^2*s34^2*z34) + 
   (5*s14^2*s24*z4)/(2*s12*s134*s34^2*z34) - (3*s23*s24*z4)/(s12*s34^2*z34) - 
   (s13*s23*s24*z4)/(s12^2*s34^2*z34) - (s13*s23*s24*z4)/
    (2*s12*s134*s34^2*z34) + (s14*s23*s24*z4)/(s12^2*s34^2*z34) + 
   (3*s14*s23*s24*z4)/(2*s12*s134*s34^2*z34) - 
   (s12*s24*z4)/(2*s234*s34^2*z34) + (s13^2*s24*z4)/(2*s12*s234*s34^2*z34) + 
   (s13*s14*s24*z4)/(s12*s234*s34^2*z34) + (s12*s14*s24*z4)/
    (s134*s234*s34^2*z34) + (s13*s14*s24*z4)/(s134*s234*s34^2*z34) + 
   (s14^2*s24*z4)/(2*s12*s234*s34^2*z34) + 
   (s14^2*s24*z4)/(s134*s234*s34^2*z34) - (3*s23*s24*z4)/(2*s234*s34^2*z34) + 
   (3*s13*s23*s24*z4)/(2*s12*s234*s34^2*z34) + 
   (3*s14*s23*s24*z4)/(2*s12*s234*s34^2*z34) + 
   (2*s14*s23*s24*z4)/(s134*s234*s34^2*z34) - (s24^2*z4)/(s12*s34^2*z34) - 
   (s13*s24^2*z4)/(s12^2*s34^2*z34) - (s13*s24^2*z4)/(2*s12*s134*s34^2*z34) + 
   (s14*s24^2*z4)/(2*s12*s134*s34^2*z34) - (s24^2*z4)/(2*s234*s34^2*z34) + 
   (s13*s24^2*z4)/(2*s12*s234*s34^2*z34) + 
   (s14*s24^2*z4)/(2*s12*s234*s34^2*z34) + 
   (s14*s24^2*z4)/(s134*s234*s34^2*z34) + z4/(s34*z34) - 
   (3*s13*z4)/(4*s123*s34*z34) - (3*s13*z4)/(4*s124*s34*z34) + 
   (3*s13^2*z4)/(s12^2*s34*z34) + (s13^2*z4)/(2*s12*s123*s34*z34) - 
   (s13^2*z4)/(2*s12*s124*s34*z34) + (5*s13^3*z4)/(4*s12^2*s123*s34*z34) + 
   (s13^3*z4)/(4*s12^2*s124*s34*z34) - (s12*s13*z4)/(s123*s134*s34*z34) + 
   (s12*s13*z4)/(2*s124*s134*s34*z34) + (2*s13^2*z4)/(s12*s134*s34*z34) + 
   (s13^2*z4)/(s123*s134*s34*z34) + (s13^2*z4)/(2*s124*s134*s34*z34) + 
   (2*s13^3*z4)/(s12*s123*s134*s34*z34) + (2*s14*z4)/(s12*s34*z34) - 
   (s14*z4)/(4*s123*s34*z34) - (3*s14*z4)/(4*s124*s34*z34) + 
   (7*s13*s14*z4)/(s12^2*s34*z34) + (s13*s14*z4)/(4*s12*s123*s34*z34) - 
   (s13*s14*z4)/(4*s12*s124*s34*z34) + (5*s13^2*s14*z4)/
    (2*s12^2*s123*s34*z34) + (3*s13^2*s14*z4)/(2*s12^2*s124*s34*z34) + 
   (3*s14*z4)/(2*s134*s34*z34) - (s12*s14*z4)/(s123*s134*s34*z34) + 
   (s12*s14*z4)/(2*s124*s134*s34*z34) + (6*s13*s14*z4)/(s12*s134*s34*z34) + 
   (4*s13^2*s14*z4)/(s12*s123*s134*s34*z34) - 
   (s13^2*s14*z4)/(s12*s124*s134*s34*z34) + (4*s14^2*z4)/(s12^2*s34*z34) - 
   (s14^2*z4)/(4*s12*s123*s34*z34) + (s14^2*z4)/(4*s12*s124*s34*z34) + 
   (5*s13*s14^2*z4)/(4*s12^2*s123*s34*z34) + (9*s13*s14^2*z4)/
    (4*s12^2*s124*s34*z34) + (4*s14^2*z4)/(s12*s134*s34*z34) - 
   (s14^2*z4)/(s123*s134*s34*z34) - (s14^2*z4)/(2*s124*s134*s34*z34) + 
   (2*s13*s14^2*z4)/(s12*s123*s134*s34*z34) - 
   (2*s13*s14^2*z4)/(s12*s124*s134*s34*z34) + 
   (s14^3*z4)/(s12^2*s124*s34*z34) - (s14^3*z4)/(s12*s124*s134*s34*z34) - 
   (s23*z4)/(s12*s34*z34) - (3*s23*z4)/(4*s123*s34*z34) - 
   (3*s23*z4)/(4*s124*s34*z34) + (s13*s23*z4)/(s12^2*s34*z34) - 
   (7*s13*s23*z4)/(4*s12*s123*s34*z34) - (7*s13*s23*z4)/
    (4*s12*s124*s34*z34) + (s13^2*s23*z4)/(s12^2*s123*s34*z34) + 
   (s13*s23*z4)/(s12*s134*s34*z34) - (s13*s23*z4)/(s123*s134*s34*z34) + 
   (s13*s23*z4)/(2*s124*s134*s34*z34) + (2*s13^2*s23*z4)/
    (s12*s123*s134*s34*z34) + (3*s14*s23*z4)/(s12^2*s34*z34) - 
   (3*s14*s23*z4)/(2*s12*s123*s34*z34) - (s14*s23*z4)/(s12*s124*s34*z34) + 
   (s13*s14*s23*z4)/(2*s12^2*s123*s34*z34) + (3*s13*s14*s23*z4)/
    (2*s12^2*s124*s34*z34) + (3*s14*s23*z4)/(s12*s134*s34*z34) - 
   (s14*s23*z4)/(s123*s134*s34*z34) + (s14*s23*z4)/(2*s124*s134*s34*z34) + 
   (2*s13*s14*s23*z4)/(s12*s123*s134*s34*z34) - 
   (s13*s14*s23*z4)/(s12*s124*s134*s34*z34) - 
   (s14^2*s23*z4)/(2*s12^2*s123*s34*z34) + (3*s14^2*s23*z4)/
    (2*s12^2*s124*s34*z34) - (s14^2*s23*z4)/(s12*s124*s134*s34*z34) - 
   (3*s23^2*z4)/(4*s12*s123*s34*z34) - (3*s23^2*z4)/(4*s12*s124*s34*z34) - 
   (s13*s23^2*z4)/(4*s12^2*s123*s34*z34) - 
   (s13*s23^2*z4)/(4*s12^2*s124*s34*z34) - 
   (s14*s23^2*z4)/(2*s12^2*s123*s34*z34) + 
   (s14*s23^2*z4)/(2*s12^2*s124*s34*z34) + (s14*z4)/(s234*s34*z34) + 
   (s13*s14*z4)/(s12*s234*s34*z34) + (s12*s14*z4)/(s134*s234*s34*z34) + 
   (s13*s14*z4)/(s134*s234*s34*z34) + (s14^2*z4)/(s12*s234*s34*z34) + 
   (s14^2*z4)/(s134*s234*s34*z34) - (s23*z4)/(s234*s34*z34) + 
   (s12*s23*z4)/(2*s123*s234*s34*z34) - (s12*s23*z4)/(s124*s234*s34*z34) + 
   (s13*s23*z4)/(s12*s234*s34*z34) - (s13*s23*z4)/(2*s123*s234*s34*z34) - 
   (s13*s23*z4)/(s124*s234*s34*z34) - (s13^2*s23*z4)/
    (s12*s123*s234*s34*z34) + (2*s14*s23*z4)/(s12*s234*s34*z34) + 
   (s14*s23*z4)/(2*s123*s234*s34*z34) + (s14*s23*z4)/(s124*s234*s34*z34) - 
   (s13*s14*s23*z4)/(s12*s123*s234*s34*z34) + (2*s13*s14*s23*z4)/
    (s12*s124*s234*s34*z34) + (2*s14*s23*z4)/(s134*s234*s34*z34) + 
   (2*s14^2*s23*z4)/(s12*s124*s234*s34*z34) + 
   (s23^2*z4)/(2*s123*s234*s34*z34) - (s23^2*z4)/(s124*s234*s34*z34) - 
   (s13*s23^2*z4)/(s12*s123*s234*s34*z34) + (2*s14*s23^2*z4)/
    (s12*s124*s234*s34*z34) - (s24*z4)/(4*s123*s34*z34) - 
   (3*s24*z4)/(4*s124*s34*z34) - (3*s13*s24*z4)/(4*s12*s123*s34*z34) - 
   (9*s13*s24*z4)/(4*s12*s124*s34*z34) + (3*s13^2*s24*z4)/
    (2*s12^2*s123*s34*z34) - (s13^2*s24*z4)/(2*s12^2*s124*s34*z34) + 
   (s13*s24*z4)/(2*s12*s134*s34*z34) - (s13*s24*z4)/(s123*s134*s34*z34) + 
   (s13*s24*z4)/(2*s124*s134*s34*z34) + (2*s13^2*s24*z4)/
    (s12*s123*s134*s34*z34) + (2*s14*s24*z4)/(s12^2*s34*z34) - 
   (s14*s24*z4)/(2*s12*s123*s34*z34) - (3*s14*s24*z4)/(2*s12*s124*s34*z34) + 
   (3*s13*s14*s24*z4)/(2*s12^2*s123*s34*z34) + 
   (s13*s14*s24*z4)/(2*s12^2*s124*s34*z34) + 
   (5*s14*s24*z4)/(2*s12*s134*s34*z34) - (s14*s24*z4)/(s123*s134*s34*z34) + 
   (s14*s24*z4)/(2*s124*s134*s34*z34) + (2*s13*s14*s24*z4)/
    (s12*s123*s134*s34*z34) - (s13*s14*s24*z4)/(s12*s124*s134*s34*z34) + 
   (s14^2*s24*z4)/(s12^2*s124*s34*z34) - (s14^2*s24*z4)/
    (s12*s124*s134*s34*z34) - (s23*s24*z4)/(s12*s123*s34*z34) - 
   (3*s23*s24*z4)/(2*s12*s124*s34*z34) - (s13*s23*s24*z4)/
    (s12^2*s124*s34*z34) - (s14*s23*s24*z4)/(2*s12^2*s123*s34*z34) + 
   (s14*s23*s24*z4)/(2*s12^2*s124*s34*z34) - (s24*z4)/(2*s234*s34*z34) + 
   (s12*s24*z4)/(2*s123*s234*s34*z34) - (s12*s24*z4)/(s124*s234*s34*z34) + 
   (s13*s24*z4)/(2*s12*s234*s34*z34) - (s13*s24*z4)/(2*s123*s234*s34*z34) - 
   (s13*s24*z4)/(s124*s234*s34*z34) - (s13^2*s24*z4)/
    (s12*s123*s234*s34*z34) + (3*s14*s24*z4)/(2*s12*s234*s34*z34) + 
   (s14*s24*z4)/(2*s123*s234*s34*z34) + (s14*s24*z4)/(s124*s234*s34*z34) - 
   (s13*s14*s24*z4)/(s12*s123*s234*s34*z34) + (2*s13*s14*s24*z4)/
    (s12*s124*s234*s34*z34) + (2*s14*s24*z4)/(s134*s234*s34*z34) + 
   (2*s14^2*s24*z4)/(s12*s124*s234*s34*z34) + 
   (s23*s24*z4)/(s123*s234*s34*z34) - (2*s23*s24*z4)/(s124*s234*s34*z34) - 
   (2*s13*s23*s24*z4)/(s12*s123*s234*s34*z34) + 
   (4*s14*s23*s24*z4)/(s12*s124*s234*s34*z34) - 
   (s24^2*z4)/(4*s12*s123*s34*z34) - (3*s24^2*z4)/(4*s12*s124*s34*z34) + 
   (s13*s24^2*z4)/(4*s12^2*s123*s34*z34) - (3*s13*s24^2*z4)/
    (4*s12^2*s124*s34*z34) + (s24^2*z4)/(2*s123*s234*s34*z34) - 
   (s24^2*z4)/(s124*s234*s34*z34) - (s13*s24^2*z4)/(s12*s123*s234*s34*z34) + 
   (2*s14*s24^2*z4)/(s12*s124*s234*s34*z34) + (s13*s34*z4)/(s12^2*s123*z34) - 
   (s34*z4)/(s123*s134*z34) + (s34*z4)/(2*s124*s134*z34) + 
   (2*s13*s34*z4)/(s12*s123*s134*z34) + (s14*s34*z4)/(s12^2*s124*z34) - 
   (s14*s34*z4)/(s12*s124*s134*z34) + (s34*z4)/(2*s123*s234*z34) - 
   (s34*z4)/(s124*s234*z34) - (s13*s34*z4)/(s12*s123*s234*z34) + 
   (2*s14*s34*z4)/(s12*s124*s234*z34) - (3*z1*z4)/(s12*z12*z34) - 
   (3*z1*z4)/(2*s123*z12*z34) - (z1*z4)/(2*s124*z12*z34) - 
   (s13*z1*z4)/(s12^2*z12*z34) - (17*s13*z1*z4)/(4*s12*s123*z12*z34) - 
   (7*s13*z1*z4)/(4*s12*s124*z12*z34) - (9*s13^2*z1*z4)/
    (4*s12^2*s123*z12*z34) - (s13^2*z1*z4)/(4*s12^2*s124*z12*z34) - 
   (z1*z4)/(2*s134*z12*z34) - (2*s12*z1*z4)/(s123*s134*z12*z34) + 
   (s12*z1*z4)/(s124*s134*z12*z34) - (s13*z1*z4)/(4*s12*s134*z12*z34) - 
   (6*s13*z1*z4)/(s123*s134*z12*z34) + (2*s13*z1*z4)/(s124*s134*z12*z34) - 
   (4*s13^2*z1*z4)/(s12*s123*s134*z12*z34) - (2*s14*z1*z4)/(s12^2*z12*z34) - 
   (11*s14*z1*z4)/(4*s12*s123*z12*z34) - (9*s14*z1*z4)/(4*s12*s124*z12*z34) - 
   (9*s13*s14*z1*z4)/(4*s12^2*s123*z12*z34) - 
   (9*s13*s14*z1*z4)/(4*s12^2*s124*z12*z34) - 
   (3*s14*z1*z4)/(4*s12*s134*z12*z34) - (4*s14*z1*z4)/(s123*s134*z12*z34) + 
   (3*s14*z1*z4)/(s124*s134*z12*z34) - (4*s13*s14*z1*z4)/
    (s12*s123*s134*z12*z34) + (2*s13*s14*z1*z4)/(s12*s124*s134*z12*z34) - 
   (2*s14^2*z1*z4)/(s12^2*s124*z12*z34) + (2*s14^2*z1*z4)/
    (s12*s124*s134*z12*z34) - (2*s23*z1*z4)/(s12^2*z12*z34) - 
   (17*s23*z1*z4)/(4*s12*s123*z12*z34) - (3*s23*z1*z4)/(4*s12*s124*z12*z34) - 
   (21*s13*s23*z1*z4)/(4*s12^2*s123*z12*z34) - 
   (s13*s23*z1*z4)/(4*s12^2*s124*z12*z34) - 
   (s23*z1*z4)/(4*s12*s134*z12*z34) - (4*s23*z1*z4)/(s123*s134*z12*z34) + 
   (s23*z1*z4)/(s124*s134*z12*z34) - (6*s13*s23*z1*z4)/
    (s12*s123*s134*z12*z34) - (7*s14*s23*z1*z4)/(2*s12^2*s123*z12*z34) - 
   (3*s14*s23*z1*z4)/(2*s12^2*s124*z12*z34) - 
   (4*s14*s23*z1*z4)/(s12*s123*s134*z12*z34) + 
   (s14*s23*z1*z4)/(s12*s124*s134*z12*z34) - 
   (3*s23^2*z1*z4)/(s12^2*s123*z12*z34) - (2*s23^2*z1*z4)/
    (s12*s123*s134*z12*z34) - (3*z1*z4)/(2*s234*z12*z34) + 
   (s12*z1*z4)/(s123*s234*z12*z34) - (2*s12*z1*z4)/(s124*s234*z12*z34) - 
   (3*s13*z1*z4)/(4*s12*s234*z12*z34) + (2*s13*z1*z4)/(s123*s234*z12*z34) - 
   (2*s13*z1*z4)/(s124*s234*z12*z34) + (s13^2*z1*z4)/
    (s12*s123*s234*z12*z34) - (5*s14*z1*z4)/(4*s12*s234*z12*z34) + 
   (s14*z1*z4)/(s123*s234*z12*z34) - (4*s14*z1*z4)/(s124*s234*z12*z34) + 
   (s13*s14*z1*z4)/(s12*s123*s234*z12*z34) - (2*s13*s14*z1*z4)/
    (s12*s124*s234*z12*z34) - (2*s14^2*z1*z4)/(s12*s124*s234*z12*z34) - 
   (3*s23*z1*z4)/(4*s12*s234*z12*z34) + (3*s23*z1*z4)/(s123*s234*z12*z34) - 
   (4*s23*z1*z4)/(s124*s234*z12*z34) + (3*s13*s23*z1*z4)/
    (s12*s123*s234*z12*z34) + (s14*s23*z1*z4)/(s12*s123*s234*z12*z34) - 
   (4*s14*s23*z1*z4)/(s12*s124*s234*z12*z34) + 
   (2*s23^2*z1*z4)/(s12*s123*s234*z12*z34) - (4*s24*z1*z4)/(s12^2*z12*z34) - 
   (9*s24*z1*z4)/(4*s12*s123*z12*z34) - (11*s24*z1*z4)/(4*s12*s124*z12*z34) - 
   (7*s13*s24*z1*z4)/(4*s12^2*s123*z12*z34) - (15*s13*s24*z1*z4)/
    (4*s12^2*s124*z12*z34) - (5*s24*z1*z4)/(4*s12*s134*z12*z34) - 
   (2*s24*z1*z4)/(s123*s134*z12*z34) + (2*s24*z1*z4)/(s124*s134*z12*z34) - 
   (2*s13*s24*z1*z4)/(s12*s123*s134*z12*z34) + 
   (2*s13*s24*z1*z4)/(s12*s124*s134*z12*z34) - 
   (5*s14*s24*z1*z4)/(s12^2*s124*z12*z34) + (3*s14*s24*z1*z4)/
    (s12*s124*s134*z12*z34) - (3*s23*s24*z1*z4)/(s12^2*s123*z12*z34) - 
   (3*s23*s24*z1*z4)/(s12^2*s124*z12*z34) - (2*s23*s24*z1*z4)/
    (s12*s123*s134*z12*z34) + (s23*s24*z1*z4)/(s12*s124*s134*z12*z34) - 
   (7*s24*z1*z4)/(4*s12*s234*z12*z34) + (2*s24*z1*z4)/(s123*s234*z12*z34) - 
   (6*s24*z1*z4)/(s124*s234*z12*z34) + (2*s13*s24*z1*z4)/
    (s12*s123*s234*z12*z34) - (2*s13*s24*z1*z4)/(s12*s124*s234*z12*z34) - 
   (6*s14*s24*z1*z4)/(s12*s124*s234*z12*z34) + 
   (2*s23*s24*z1*z4)/(s12*s123*s234*z12*z34) - 
   (4*s23*s24*z1*z4)/(s12*s124*s234*z12*z34) - 
   (3*s24^2*z1*z4)/(s12^2*s124*z12*z34) + 
   (s24^2*z1*z4)/(s12*s124*s134*z12*z34) - (4*s24^2*z1*z4)/
    (s12*s124*s234*z12*z34) - (4*s13*z1*z4)/(s34^2*z12*z34) - 
   (6*s13^2*z1*z4)/(s12*s34^2*z12*z34) - (2*s13^3*z1*z4)/
    (s12^2*s34^2*z12*z34) - (2*s12*s13*z1*z4)/(s134*s34^2*z12*z34) - 
   (3*s13^2*z1*z4)/(s134*s34^2*z12*z34) - 
   (s13^3*z1*z4)/(s12*s134*s34^2*z12*z34) - (2*s14*z1*z4)/(s34^2*z12*z34) - 
   (10*s13*s14*z1*z4)/(s12*s34^2*z12*z34) - (6*s13^2*s14*z1*z4)/
    (s12^2*s34^2*z12*z34) - (s12*s14*z1*z4)/(s134*s34^2*z12*z34) - 
   (5*s13*s14*z1*z4)/(s134*s34^2*z12*z34) - (3*s13^2*s14*z1*z4)/
    (s12*s134*s34^2*z12*z34) - (4*s14^2*z1*z4)/(s12*s34^2*z12*z34) - 
   (6*s13*s14^2*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (2*s14^2*z1*z4)/(s134*s34^2*z12*z34) - (3*s13*s14^2*z1*z4)/
    (s12*s134*s34^2*z12*z34) - (2*s14^3*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s14^3*z1*z4)/(s12*s134*s34^2*z12*z34) - (2*s23*z1*z4)/(s34^2*z12*z34) - 
   (10*s13*s23*z1*z4)/(s12*s34^2*z12*z34) - (6*s13^2*s23*z1*z4)/
    (s12^2*s34^2*z12*z34) - (3*s13*s23*z1*z4)/(s134*s34^2*z12*z34) - 
   (2*s13^2*s23*z1*z4)/(s12*s134*s34^2*z12*z34) - 
   (7*s14*s23*z1*z4)/(s12*s34^2*z12*z34) - (11*s13*s14*s23*z1*z4)/
    (s12^2*s34^2*z12*z34) - (3*s14*s23*z1*z4)/(2*s134*s34^2*z12*z34) - 
   (7*s13*s14*s23*z1*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (5*s14^2*s23*z1*z4)/(s12^2*s34^2*z12*z34) - (3*s14^2*s23*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) - (4*s23^2*z1*z4)/(s12*s34^2*z12*z34) - 
   (6*s13*s23^2*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s13*s23^2*z1*z4)/(s12*s134*s34^2*z12*z34) - 
   (5*s14*s23^2*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s14*s23^2*z1*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (2*s23^3*z1*z4)/(s12^2*s34^2*z12*z34) - (2*s12*s23*z1*z4)/
    (s234*s34^2*z12*z34) - (3*s13*s23*z1*z4)/(s234*s34^2*z12*z34) - 
   (s13^2*s23*z1*z4)/(s12*s234*s34^2*z12*z34) - 
   (7*s14*s23*z1*z4)/(2*s234*s34^2*z12*z34) - (5*s13*s14*s23*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) - (3*s14^2*s23*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) - (3*s23^2*z1*z4)/(s234*s34^2*z12*z34) - 
   (2*s13*s23^2*z1*z4)/(s12*s234*s34^2*z12*z34) - 
   (5*s14*s23^2*z1*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s23^3*z1*z4)/(s12*s234*s34^2*z12*z34) - (s24*z1*z4)/(s34^2*z12*z34) - 
   (10*s13*s24*z1*z4)/(s12*s34^2*z12*z34) - (7*s13^2*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) - (15*s13*s24*z1*z4)/(4*s134*s34^2*z12*z34) - 
   (11*s13^2*s24*z1*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (7*s14*s24*z1*z4)/(s12*s34^2*z12*z34) - (13*s13*s14*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) - (9*s14*s24*z1*z4)/(4*s134*s34^2*z12*z34) - 
   (5*s13*s14*s24*z1*z4)/(s12*s134*s34^2*z12*z34) - 
   (6*s14^2*s24*z1*z4)/(s12^2*s34^2*z12*z34) - (9*s14^2*s24*z1*z4)/
    (4*s12*s134*s34^2*z12*z34) - (7*s23*s24*z1*z4)/(s12*s34^2*z12*z34) - 
   (13*s13*s23*s24*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s23*s24*z1*z4)/(4*s134*s34^2*z12*z34) - (3*s13*s23*s24*z1*z4)/
    (s12*s134*s34^2*z12*z34) - (11*s14*s23*s24*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (2*s14*s23*s24*z1*z4)/(s12*s134*s34^2*z12*z34) - 
   (6*s23^2*s24*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s23^2*s24*z1*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s12*s24*z1*z4)/(s234*s34^2*z12*z34) - (7*s13*s24*z1*z4)/
    (4*s234*s34^2*z12*z34) - (3*s13^2*s24*z1*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (9*s14*s24*z1*z4)/(4*s234*s34^2*z12*z34) - (2*s13*s14*s24*z1*z4)/
    (s12*s234*s34^2*z12*z34) - (5*s14^2*s24*z1*z4)/
    (4*s12*s234*s34^2*z12*z34) - (21*s23*s24*z1*z4)/(4*s234*s34^2*z12*z34) - 
   (4*s13*s23*s24*z1*z4)/(s12*s234*s34^2*z12*z34) - 
   (5*s14*s23*s24*z1*z4)/(s12*s234*s34^2*z12*z34) - 
   (13*s23^2*s24*z1*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (3*s24^2*z1*z4)/(s12*s34^2*z12*z34) - (7*s13*s24^2*z1*z4)/
    (s12^2*s34^2*z12*z34) - (s24^2*z1*z4)/(4*s134*s34^2*z12*z34) - 
   (2*s13*s24^2*z1*z4)/(s12*s134*s34^2*z12*z34) - 
   (6*s14*s24^2*z1*z4)/(s12^2*s34^2*z12*z34) - (3*s14*s24^2*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) - (6*s23*s24^2*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s23*s24^2*z1*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (9*s24^2*z1*z4)/(4*s234*s34^2*z12*z34) - (2*s13*s24^2*z1*z4)/
    (s12*s234*s34^2*z12*z34) - (5*s14*s24^2*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) - (7*s23*s24^2*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) - (2*s24^3*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s24^3*z1*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (5*s24^3*z1*z4)/(4*s12*s234*s34^2*z12*z34) - (3*z1*z4)/(s34*z12*z34) - 
   (8*s13*z1*z4)/(s12*s34*z12*z34) - (7*s13*z1*z4)/(4*s123*s34*z12*z34) - 
   (5*s13*z1*z4)/(4*s124*s34*z12*z34) - (3*s13^2*z1*z4)/(s12^2*s34*z12*z34) - 
   (3*s13^2*z1*z4)/(s12*s123*s34*z12*z34) - (3*s13^2*z1*z4)/
    (2*s12*s124*s34*z12*z34) - (5*s13^3*z1*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^3*z1*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (s12*z1*z4)/(2*s134*s34*z12*z34) - (11*s13*z1*z4)/(4*s134*s34*z12*z34) - 
   (2*s12*s13*z1*z4)/(s123*s134*s34*z12*z34) + 
   (s12*s13*z1*z4)/(s124*s134*s34*z12*z34) - 
   (5*s13^2*z1*z4)/(4*s12*s134*s34*z12*z34) - 
   (4*s13^2*z1*z4)/(s123*s134*s34*z12*z34) + 
   (s13^2*z1*z4)/(s124*s134*s34*z12*z34) - (2*s13^3*z1*z4)/
    (s12*s123*s134*s34*z12*z34) - (7*s14*z1*z4)/(s12*s34*z12*z34) - 
   (5*s14*z1*z4)/(4*s123*s34*z12*z34) - (3*s14*z1*z4)/(4*s124*s34*z12*z34) - 
   (7*s13*s14*z1*z4)/(s12^2*s34*z12*z34) - (17*s13*s14*z1*z4)/
    (4*s12*s123*s34*z12*z34) - (13*s13*s14*z1*z4)/(4*s12*s124*s34*z12*z34) - 
   (5*s13^2*s14*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (3*s13^2*s14*z1*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (9*s14*z1*z4)/(4*s134*s34*z12*z34) - (2*s12*s14*z1*z4)/
    (s123*s134*s34*z12*z34) + (s12*s14*z1*z4)/(s124*s134*s34*z12*z34) - 
   (3*s13*s14*z1*z4)/(s12*s134*s34*z12*z34) - 
   (6*s13*s14*z1*z4)/(s123*s134*s34*z12*z34) + 
   (3*s13*s14*z1*z4)/(s124*s134*s34*z12*z34) - (4*s13^2*s14*z1*z4)/
    (s12*s123*s134*s34*z12*z34) + (s13^2*s14*z1*z4)/
    (s12*s124*s134*s34*z12*z34) - (4*s14^2*z1*z4)/(s12^2*s34*z12*z34) - 
   (5*s14^2*z1*z4)/(4*s12*s123*s34*z12*z34) - 
   (7*s14^2*z1*z4)/(4*s12*s124*s34*z12*z34) - (5*s13*s14^2*z1*z4)/
    (4*s12^2*s123*s34*z12*z34) - (9*s13*s14^2*z1*z4)/
    (4*s12^2*s124*s34*z12*z34) - (7*s14^2*z1*z4)/(4*s12*s134*s34*z12*z34) - 
   (2*s14^2*z1*z4)/(s123*s134*s34*z12*z34) + 
   (2*s14^2*z1*z4)/(s124*s134*s34*z12*z34) - (2*s13*s14^2*z1*z4)/
    (s12*s123*s134*s34*z12*z34) + (2*s13*s14^2*z1*z4)/
    (s12*s124*s134*s34*z12*z34) - (s14^3*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (s14^3*z1*z4)/(s12*s124*s134*s34*z12*z34) - 
   (7*s23*z1*z4)/(s12*s34*z12*z34) - (3*s23*z1*z4)/(4*s123*s34*z12*z34) - 
   (s23*z1*z4)/(4*s124*s34*z12*z34) - (7*s13*s23*z1*z4)/(s12^2*s34*z12*z34) - 
   (19*s13*s23*z1*z4)/(4*s12*s123*s34*z12*z34) - 
   (7*s13*s23*z1*z4)/(4*s12*s124*s34*z12*z34) - 
   (7*s13^2*s23*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s23*z1*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (3*s23*z1*z4)/(4*s134*s34*z12*z34) - (3*s13*s23*z1*z4)/
    (2*s12*s134*s34*z12*z34) - (4*s13*s23*z1*z4)/(s123*s134*s34*z12*z34) + 
   (s13*s23*z1*z4)/(s124*s134*s34*z12*z34) - (4*s13^2*s23*z1*z4)/
    (s12*s123*s134*s34*z12*z34) - (7*s14*s23*z1*z4)/(s12^2*s34*z12*z34) - 
   (7*s14*s23*z1*z4)/(2*s12*s123*s34*z12*z34) - 
   (3*s14*s23*z1*z4)/(2*s12*s124*s34*z12*z34) - (5*s13*s14*s23*z1*z4)/
    (s12^2*s123*s34*z12*z34) - (2*s13*s14*s23*z1*z4)/
    (s12^2*s124*s34*z12*z34) - (3*s14*s23*z1*z4)/(2*s12*s134*s34*z12*z34) - 
   (4*s14*s23*z1*z4)/(s123*s134*s34*z12*z34) + 
   (s14*s23*z1*z4)/(s124*s134*s34*z12*z34) - (6*s13*s14*s23*z1*z4)/
    (s12*s123*s134*s34*z12*z34) + (s13*s14*s23*z1*z4)/
    (s12*s124*s134*s34*z12*z34) - (3*s14^2*s23*z1*z4)/
    (2*s12^2*s123*s34*z12*z34) - (3*s14^2*s23*z1*z4)/
    (2*s12^2*s124*s34*z12*z34) - (2*s14^2*s23*z1*z4)/
    (s12*s123*s134*s34*z12*z34) + (s14^2*s23*z1*z4)/
    (s12*s124*s134*s34*z12*z34) - (4*s23^2*z1*z4)/(s12^2*s34*z12*z34) - 
   (7*s23^2*z1*z4)/(4*s12*s123*s34*z12*z34) - 
   (s23^2*z1*z4)/(4*s12*s124*s34*z12*z34) - (13*s13*s23^2*z1*z4)/
    (4*s12^2*s123*s34*z12*z34) - (s13*s23^2*z1*z4)/
    (4*s12^2*s124*s34*z12*z34) - (s23^2*z1*z4)/(4*s12*s134*s34*z12*z34) - 
   (2*s13*s23^2*z1*z4)/(s12*s123*s134*s34*z12*z34) - 
   (5*s14*s23^2*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s14*s23^2*z1*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (2*s14*s23^2*z1*z4)/(s12*s123*s134*s34*z12*z34) - 
   (s23^3*z1*z4)/(s12^2*s123*s34*z12*z34) - 
   (3*s12*z1*z4)/(2*s234*s34*z12*z34) - (9*s13*z1*z4)/(4*s234*s34*z12*z34) - 
   (3*s13^2*z1*z4)/(4*s12*s234*s34*z12*z34) - 
   (11*s14*z1*z4)/(4*s234*s34*z12*z34) - (2*s13*s14*z1*z4)/
    (s12*s234*s34*z12*z34) - (5*s14^2*z1*z4)/(4*s12*s234*s34*z12*z34) - 
   (17*s23*z1*z4)/(4*s234*s34*z12*z34) + (s12*s23*z1*z4)/
    (s123*s234*s34*z12*z34) - (2*s12*s23*z1*z4)/(s124*s234*s34*z12*z34) - 
   (5*s13*s23*z1*z4)/(2*s12*s234*s34*z12*z34) + 
   (2*s13*s23*z1*z4)/(s123*s234*s34*z12*z34) - 
   (2*s13*s23*z1*z4)/(s124*s234*s34*z12*z34) + 
   (s13^2*s23*z1*z4)/(s12*s123*s234*s34*z12*z34) - 
   (7*s14*s23*z1*z4)/(2*s12*s234*s34*z12*z34) + 
   (s14*s23*z1*z4)/(s123*s234*s34*z12*z34) - (4*s14*s23*z1*z4)/
    (s124*s234*s34*z12*z34) + (s13*s14*s23*z1*z4)/(s12*s123*s234*s34*z12*
     z34) - (2*s13*s14*s23*z1*z4)/(s12*s124*s234*s34*z12*z34) - 
   (2*s14^2*s23*z1*z4)/(s12*s124*s234*s34*z12*z34) - 
   (7*s23^2*z1*z4)/(4*s12*s234*s34*z12*z34) + 
   (2*s23^2*z1*z4)/(s123*s234*s34*z12*z34) - 
   (2*s23^2*z1*z4)/(s124*s234*s34*z12*z34) + (2*s13*s23^2*z1*z4)/
    (s12*s123*s234*s34*z12*z34) + (s14*s23^2*z1*z4)/
    (s12*s123*s234*s34*z12*z34) - (2*s14*s23^2*z1*z4)/
    (s12*s124*s234*s34*z12*z34) + (s23^3*z1*z4)/(s12*s123*s234*s34*z12*z34) - 
   (8*s24*z1*z4)/(s12*s34*z12*z34) - (3*s24*z1*z4)/(4*s123*s34*z12*z34) - 
   (s24*z1*z4)/(4*s124*s34*z12*z34) - (10*s13*s24*z1*z4)/
    (s12^2*s34*z12*z34) - (13*s13*s24*z1*z4)/(4*s12*s123*s34*z12*z34) - 
   (13*s13*s24*z1*z4)/(4*s12*s124*s34*z12*z34) - 
   (2*s13^2*s24*z1*z4)/(s12^2*s123*s34*z12*z34) - 
   (2*s13^2*s24*z1*z4)/(s12^2*s124*s34*z12*z34) - 
   (7*s24*z1*z4)/(4*s134*s34*z12*z34) - (13*s13*s24*z1*z4)/
    (4*s12*s134*s34*z12*z34) - (2*s13*s24*z1*z4)/(s123*s134*s34*z12*z34) + 
   (2*s13*s24*z1*z4)/(s124*s134*s34*z12*z34) - (2*s13^2*s24*z1*z4)/
    (s12*s123*s134*s34*z12*z34) + (s13^2*s24*z1*z4)/
    (s12*s124*s134*s34*z12*z34) - (10*s14*s24*z1*z4)/(s12^2*s34*z12*z34) - 
   (2*s14*s24*z1*z4)/(s12*s123*s34*z12*z34) - 
   (3*s14*s24*z1*z4)/(s12*s124*s34*z12*z34) - (2*s13*s14*s24*z1*z4)/
    (s12^2*s123*s34*z12*z34) - (5*s13*s14*s24*z1*z4)/
    (s12^2*s124*s34*z12*z34) - (13*s14*s24*z1*z4)/(4*s12*s134*s34*z12*z34) - 
   (2*s14*s24*z1*z4)/(s123*s134*s34*z12*z34) + 
   (2*s14*s24*z1*z4)/(s124*s134*s34*z12*z34) - (2*s13*s14*s24*z1*z4)/
    (s12*s123*s134*s34*z12*z34) + (3*s13*s14*s24*z1*z4)/
    (s12*s124*s134*s34*z12*z34) - (3*s14^2*s24*z1*z4)/
    (s12^2*s124*s34*z12*z34) + (2*s14^2*s24*z1*z4)/
    (s12*s124*s134*s34*z12*z34) - (10*s23*s24*z1*z4)/(s12^2*s34*z12*z34) - 
   (5*s23*s24*z1*z4)/(2*s12*s123*s34*z12*z34) - 
   (3*s23*s24*z1*z4)/(2*s12*s124*s34*z12*z34) - (4*s13*s23*s24*z1*z4)/
    (s12^2*s123*s34*z12*z34) - (3*s13*s23*s24*z1*z4)/
    (s12^2*s124*s34*z12*z34) - (7*s23*s24*z1*z4)/(4*s12*s134*s34*z12*z34) - 
   (2*s13*s23*s24*z1*z4)/(s12*s123*s134*s34*z12*z34) + 
   (s13*s23*s24*z1*z4)/(s12*s124*s134*s34*z12*z34) - 
   (5*s14*s23*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (7*s14*s23*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (2*s14*s23*s24*z1*z4)/(s12*s123*s134*s34*z12*z34) + 
   (s14*s23*s24*z1*z4)/(s12*s124*s134*s34*z12*z34) - 
   (2*s23^2*s24*z1*z4)/(s12^2*s123*s34*z12*z34) - 
   (s23^2*s24*z1*z4)/(s12^2*s124*s34*z12*z34) - 
   (17*s24*z1*z4)/(4*s234*s34*z12*z34) + (s12*s24*z1*z4)/
    (s123*s234*s34*z12*z34) - (2*s12*s24*z1*z4)/(s124*s234*s34*z12*z34) - 
   (13*s13*s24*z1*z4)/(4*s12*s234*s34*z12*z34) + 
   (2*s13*s24*z1*z4)/(s123*s234*s34*z12*z34) - 
   (2*s13*s24*z1*z4)/(s124*s234*s34*z12*z34) + 
   (s13^2*s24*z1*z4)/(s12*s123*s234*s34*z12*z34) - 
   (17*s14*s24*z1*z4)/(4*s12*s234*s34*z12*z34) + 
   (s14*s24*z1*z4)/(s123*s234*s34*z12*z34) - (4*s14*s24*z1*z4)/
    (s124*s234*s34*z12*z34) + (s13*s14*s24*z1*z4)/(s12*s123*s234*s34*z12*
     z34) - (2*s13*s14*s24*z1*z4)/(s12*s124*s234*s34*z12*z34) - 
   (2*s14^2*s24*z1*z4)/(s12*s124*s234*s34*z12*z34) - 
   (19*s23*s24*z1*z4)/(4*s12*s234*s34*z12*z34) + 
   (3*s23*s24*z1*z4)/(s123*s234*s34*z12*z34) - 
   (6*s23*s24*z1*z4)/(s124*s234*s34*z12*z34) + (3*s13*s23*s24*z1*z4)/
    (s12*s123*s234*s34*z12*z34) - (2*s13*s23*s24*z1*z4)/
    (s12*s124*s234*s34*z12*z34) + (s14*s23*s24*z1*z4)/
    (s12*s123*s234*s34*z12*z34) - (6*s14*s23*s24*z1*z4)/
    (s12*s124*s234*s34*z12*z34) + (2*s23^2*s24*z1*z4)/
    (s12*s123*s234*s34*z12*z34) - (2*s23^2*s24*z1*z4)/
    (s12*s124*s234*s34*z12*z34) - (6*s24^2*z1*z4)/(s12^2*s34*z12*z34) - 
   (3*s24^2*z1*z4)/(4*s12*s123*s34*z12*z34) - 
   (5*s24^2*z1*z4)/(4*s12*s124*s34*z12*z34) - (3*s13*s24^2*z1*z4)/
    (4*s12^2*s123*s34*z12*z34) - (11*s13*s24^2*z1*z4)/
    (4*s12^2*s124*s34*z12*z34) - (3*s24^2*z1*z4)/(2*s12*s134*s34*z12*z34) + 
   (s13*s24^2*z1*z4)/(s12*s124*s134*s34*z12*z34) - 
   (3*s14*s24^2*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (s14*s24^2*z1*z4)/(s12*s124*s134*s34*z12*z34) - 
   (s23*s24^2*z1*z4)/(s12^2*s123*s34*z12*z34) - 
   (2*s23*s24^2*z1*z4)/(s12^2*s124*s34*z12*z34) - 
   (3*s24^2*z1*z4)/(s12*s234*s34*z12*z34) + 
   (s24^2*z1*z4)/(s123*s234*s34*z12*z34) - (4*s24^2*z1*z4)/
    (s124*s234*s34*z12*z34) + (s13*s24^2*z1*z4)/(s12*s123*s234*s34*z12*z34) - 
   (2*s13*s24^2*z1*z4)/(s12*s124*s234*s34*z12*z34) - 
   (4*s14*s24^2*z1*z4)/(s12*s124*s234*s34*z12*z34) + 
   (s23*s24^2*z1*z4)/(s12*s123*s234*s34*z12*z34) - 
   (4*s23*s24^2*z1*z4)/(s12*s124*s234*s34*z12*z34) - 
   (s24^3*z1*z4)/(s12^2*s124*s34*z12*z34) - (2*s24^3*z1*z4)/
    (s12*s124*s234*s34*z12*z34) - (3*s34*z1*z4)/(2*s12*s123*z12*z34) - 
   (s34*z1*z4)/(2*s12*s124*z12*z34) - (s13*s34*z1*z4)/(s12^2*s123*z12*z34) - 
   (2*s34*z1*z4)/(s123*s134*z12*z34) + (s34*z1*z4)/(s124*s134*z12*z34) - 
   (2*s13*s34*z1*z4)/(s12*s123*s134*z12*z34) - 
   (s14*s34*z1*z4)/(s12^2*s124*z12*z34) + (s14*s34*z1*z4)/
    (s12*s124*s134*z12*z34) - (2*s23*s34*z1*z4)/(s12^2*s123*z12*z34) - 
   (2*s23*s34*z1*z4)/(s12*s123*s134*z12*z34) + 
   (s34*z1*z4)/(s123*s234*z12*z34) - (2*s34*z1*z4)/(s124*s234*z12*z34) + 
   (s13*s34*z1*z4)/(s12*s123*s234*z12*z34) - (2*s14*s34*z1*z4)/
    (s12*s124*s234*z12*z34) + (s23*s34*z1*z4)/(s12*s123*s234*z12*z34) - 
   (2*s24*s34*z1*z4)/(s12^2*s124*z12*z34) + (s24*s34*z1*z4)/
    (s12*s124*s134*z12*z34) - (2*s24*s34*z1*z4)/(s12*s124*s234*z12*z34) + 
   (4*z1*z2*z4)/(s12*z12^2*z34) + (2*z1*z2*z4)/(s123*z12^2*z34) + 
   (2*z1*z2*z4)/(s124*z12^2*z34) + (2*s13*z1*z2*z4)/(s12^2*z12^2*z34) + 
   (5*s13*z1*z2*z4)/(s12*s123*z12^2*z34) + (3*s13*z1*z2*z4)/
    (s12*s124*z12^2*z34) + (3*s13^2*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (4*s14*z1*z2*z4)/(s12^2*z12^2*z34) + (3*s14*z1*z2*z4)/
    (s12*s123*z12^2*z34) + (5*s14*z1*z2*z4)/(s12*s124*z12^2*z34) + 
   (3*s13*s14*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (3*s13*s14*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (3*s14^2*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (2*s23*z1*z2*z4)/(s12^2*z12^2*z34) + (5*s23*z1*z2*z4)/
    (s12*s123*z12^2*z34) + (3*s23*z1*z2*z4)/(s12*s124*z12^2*z34) + 
   (6*s13*s23*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (3*s14*s23*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (3*s14*s23*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (3*s23^2*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (4*s24*z1*z2*z4)/(s12^2*z12^2*z34) + (3*s24*z1*z2*z4)/
    (s12*s123*z12^2*z34) + (5*s24*z1*z2*z4)/(s12*s124*z12^2*z34) + 
   (3*s13*s24*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (3*s13*s24*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (6*s14*s24*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (3*s23*s24*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (3*s23*s24*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (3*s24^2*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (4*s13*z1*z2*z4)/(s34^2*z12^2*z34) + (6*s13^2*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (2*s13^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (2*s14*z1*z2*z4)/(s34^2*z12^2*z34) + (10*s13*s14*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (6*s13^2*s14*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (4*s14^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) + (6*s13*s14^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (2*s14^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (4*s23*z1*z2*z4)/(s34^2*z12^2*z34) + (12*s13*s23*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (6*s13^2*s23*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (10*s14*s23*z1*z2*z4)/(s12*s34^2*z12^2*z34) + (12*s13*s14*s23*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (6*s14^2*s23*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (6*s23^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) + 
   (6*s13*s23^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (6*s14*s23^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (2*s23^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (2*s24*z1*z2*z4)/(s34^2*z12^2*z34) + (10*s13*s24*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (6*s13^2*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (8*s14*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) + (12*s13*s14*s24*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (6*s14^2*s24*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (10*s23*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) + 
   (12*s13*s23*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (12*s14*s23*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (6*s23^2*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (4*s24^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) + (6*s13*s24^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (6*s14*s24^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (6*s23*s24^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (2*s24^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (4*z1*z2*z4)/(s34*z12^2*z34) + (10*s13*z1*z2*z4)/(s12*s34*z12^2*z34) + 
   (s13*z1*z2*z4)/(s123*s34*z12^2*z34) + (s13*z1*z2*z4)/
    (s124*s34*z12^2*z34) + (4*s13^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (2*s13^2*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (s13^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (s13^3*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (10*s14*z1*z2*z4)/(s12*s34*z12^2*z34) + 
   (s14*z1*z2*z4)/(s123*s34*z12^2*z34) + (s14*z1*z2*z4)/
    (s124*s34*z12^2*z34) + (10*s13*s14*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (3*s13*s14*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (3*s13*s14*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (2*s13^2*s14*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (s13^2*s14*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (6*s14^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (s14^2*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (2*s14^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (s13*s14^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s14^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (s14^3*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (10*s23*z1*z2*z4)/(s12*s34*z12^2*z34) + 
   (s23*z1*z2*z4)/(s123*s34*z12^2*z34) + (s23*z1*z2*z4)/
    (s124*s34*z12^2*z34) + (8*s13*s23*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (4*s13*s23*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (2*s13*s23*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (3*s13^2*s23*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (10*s14*s23*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (3*s14*s23*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (3*s14*s23*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (4*s13*s14*s23*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s14*s23*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (s14^2*s23*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s14^2*s23*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (4*s23^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) + (2*s23^2*z1*z2*z4)/
    (s12*s123*s34*z12^2*z34) + (s23^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (3*s13*s23^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s14*s23^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (s14*s23^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (s23^3*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (10*s24*z1*z2*z4)/(s12*s34*z12^2*z34) + 
   (s24*z1*z2*z4)/(s123*s34*z12^2*z34) + (s24*z1*z2*z4)/
    (s124*s34*z12^2*z34) + (10*s13*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (3*s13*s24*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (3*s13*s24*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (2*s13^2*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (s13^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (12*s14*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (2*s14*s24*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (4*s14*s24*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (2*s13*s14*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (4*s13*s14*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (3*s14^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (10*s23*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (3*s23*s24*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (3*s23*s24*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (4*s13*s23*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s23*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (2*s14*s23*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (4*s14*s23*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (2*s23^2*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (s23^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (6*s24^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (s24^2*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (2*s24^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (s13*s24^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (3*s14*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (s23*s24^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s23*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (s24^3*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (2*s34*z1*z2*z4)/(s12*s123*z12^2*z34) + (2*s34*z1*z2*z4)/
    (s12*s124*z12^2*z34) + (2*s13*s34*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (2*s14*s34*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (2*s23*s34*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (2*s24*s34*z1*z2*z4)/(s12^2*s124*z12^2*z34) - (z2*z4)/(s12*z12*z34) - 
   (z2*z4)/(2*s123*z12*z34) + (z2*z4)/(2*s124*z12*z34) - 
   (s13*z2*z4)/(s12^2*z12*z34) - (3*s13*z2*z4)/(4*s12*s123*z12*z34) + 
   (7*s13*z2*z4)/(4*s12*s124*z12*z34) - (3*s13^2*z2*z4)/
    (4*s12^2*s123*z12*z34) + (s13^2*z2*z4)/(4*s12^2*s124*z12*z34) - 
   (2*s14*z2*z4)/(s12^2*z12*z34) - (s14*z2*z4)/(4*s12*s123*z12*z34) + 
   (s14*z2*z4)/(4*s12*s124*z12*z34) - (3*s13*s14*z2*z4)/
    (4*s12^2*s123*z12*z34) - (3*s13*s14*z2*z4)/(4*s12^2*s124*z12*z34) - 
   (s14*z2*z4)/(2*s12*s134*z12*z34) - (s14^2*z2*z4)/(s12^2*s124*z12*z34) - 
   (3*s23*z2*z4)/(4*s12*s123*z12*z34) + (3*s23*z2*z4)/(4*s12*s124*z12*z34) - 
   (3*s13*s23*z2*z4)/(4*s12^2*s123*z12*z34) + 
   (s13*s23*z2*z4)/(4*s12^2*s124*z12*z34) + (s14*s23*z2*z4)/
    (2*s12^2*s123*z12*z34) - (3*s14*s23*z2*z4)/(2*s12^2*s124*z12*z34) - 
   (s14*z2*z4)/(2*s12*s234*z12*z34) - (3*s24*z2*z4)/(4*s12*s123*z12*z34) + 
   (3*s24*z2*z4)/(4*s12*s124*z12*z34) - (5*s13*s24*z2*z4)/
    (4*s12^2*s123*z12*z34) + (3*s13*s24*z2*z4)/(4*s12^2*s124*z12*z34) - 
   (s14*s24*z2*z4)/(s12^2*s124*z12*z34) + (2*s13*z2*z4)/(s34^2*z12*z34) + 
   (2*s13^2*z2*z4)/(s12*s34^2*z12*z34) + (s14*z2*z4)/(s34^2*z12*z34) + 
   (3*s13*s14*z2*z4)/(s12*s34^2*z12*z34) - (s13*s14*z2*z4)/
    (4*s134*s34^2*z12*z34) - (s13^2*s14*z2*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s14^2*z2*z4)/(s12*s34^2*z12*z34) - (s14^2*z2*z4)/(4*s134*s34^2*z12*z34) - 
   (s13*s14^2*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^3*z2*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (2*s13*s23*z2*z4)/(s12*s34^2*z12*z34) - (s13*s14*s23*z2*z4)/
    (s12^2*s34^2*z12*z34) - (s14*s23*z2*z4)/(4*s134*s34^2*z12*z34) - 
   (s13*s14*s23*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^2*s23*z2*z4)/(s12^2*s34^2*z12*z34) - (s14^2*s23*z2*z4)/
    (2*s12*s134*s34^2*z12*z34) - (s14*s23^2*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (s14*s23^2*z2*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s13*s14*z2*z4)/(4*s234*s34^2*z12*z34) - (s13^2*s14*z2*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s14^2*z2*z4)/(4*s234*s34^2*z12*z34) - 
   (s13*s14^2*z2*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s14^3*z2*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (s14*s23*z2*z4)/(4*s234*s34^2*z12*z34) - (s13*s14*s23*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) - (s14^2*s23*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) - (s14*s23^2*z2*z4)/
    (4*s12*s234*s34^2*z12*z34) + (3*s13*s24*z2*z4)/(s12*s34^2*z12*z34) + 
   (s13^2*s24*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s14*s24*z2*z4)/(s12*s34^2*z12*z34) + (s13*s14*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) - (s14*s24*z2*z4)/(4*s134*s34^2*z12*z34) - 
   (s13*s14*s24*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^2*s24*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s13*s23*s24*z2*z4)/(s12^2*s34^2*z12*z34) - (s14*s23*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) - (s14*s23*s24*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s24*z2*z4)/(4*s234*s34^2*z12*z34) - (s13*s14*s24*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) - (s14^2*s24*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) - (s14*s23*s24*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s24^2*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (s14*s24^2*z2*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s14*s24^2*z2*z4)/(4*s12*s234*s34^2*z12*z34) - (z2*z4)/(s34*z12*z34) + 
   (3*s13*z2*z4)/(4*s123*s34*z12*z34) + (5*s13*z2*z4)/(4*s124*s34*z12*z34) - 
   (s13^2*z2*z4)/(s12^2*s34*z12*z34) + (s13^2*z2*z4)/(s12*s123*s34*z12*z34) + 
   (3*s13^2*z2*z4)/(2*s12*s124*s34*z12*z34) + 
   (s13^3*z2*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^3*z2*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (2*s14*z2*z4)/(s12*s34*z12*z34) + (s14*z2*z4)/(4*s123*s34*z12*z34) + 
   (3*s14*z2*z4)/(4*s124*s34*z12*z34) - (3*s13*s14*z2*z4)/
    (s12^2*s34*z12*z34) + (5*s13*s14*z2*z4)/(4*s12*s123*s34*z12*z34) + 
   (9*s13*s14*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s14*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z2*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s14*z2*z4)/(2*s134*s34*z12*z34) - (3*s13*s14*z2*z4)/
    (4*s12*s134*s34*z12*z34) - (2*s14^2*z2*z4)/(s12^2*s34*z12*z34) + 
   (s14^2*z2*z4)/(4*s12*s123*s34*z12*z34) + (3*s14^2*z2*z4)/
    (4*s12*s124*s34*z12*z34) + (s13*s14^2*z2*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s13*s14^2*z2*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (3*s14^2*z2*z4)/(4*s12*s134*s34*z12*z34) - (s23*z2*z4)/(s12*s34*z12*z34) - 
   (s23*z2*z4)/(4*s123*s34*z12*z34) + (s23*z2*z4)/(4*s124*s34*z12*z34) - 
   (s13*s23*z2*z4)/(s12^2*s34*z12*z34) + (3*s13*s23*z2*z4)/
    (4*s12*s123*s34*z12*z34) + (7*s13*s23*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s23*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s23*z2*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (3*s14*s23*z2*z4)/(s12^2*s34*z12*z34) + (s14*s23*z2*z4)/
    (2*s12*s123*s34*z12*z34) + (s14*s23*z2*z4)/(2*s12*s124*s34*z12*z34) + 
   (s13*s14*s23*z2*z4)/(s12^2*s123*s34*z12*z34) - 
   (3*s14*s23*z2*z4)/(4*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z2*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s14^2*s23*z2*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s23^2*z2*z4)/(4*s12*s123*s34*z12*z34) + 
   (s23^2*z2*z4)/(4*s12*s124*s34*z12*z34) + (s13*s23^2*z2*z4)/
    (4*s12^2*s123*s34*z12*z34) + (s13*s23^2*z2*z4)/
    (4*s12^2*s124*s34*z12*z34) + (s14*s23^2*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) - (s14*s23^2*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) - (s14*z2*z4)/(2*s234*s34*z12*z34) - 
   (3*s13*s14*z2*z4)/(4*s12*s234*s34*z12*z34) - 
   (3*s14^2*z2*z4)/(4*s12*s234*s34*z12*z34) - 
   (3*s14*s23*z2*z4)/(4*s12*s234*s34*z12*z34) - 
   (s24*z2*z4)/(s12*s34*z12*z34) - (s24*z2*z4)/(4*s123*s34*z12*z34) + 
   (s24*z2*z4)/(4*s124*s34*z12*z34) + (s13*s24*z2*z4)/
    (4*s12*s123*s34*z12*z34) + (9*s13*s24*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z2*z4)/(s12^2*s124*s34*z12*z34) - 
   (2*s14*s24*z2*z4)/(s12^2*s34*z12*z34) + (s14*s24*z2*z4)/
    (s12*s124*s34*z12*z34) + (s13*s14*s24*z2*z4)/(s12^2*s124*s34*z12*z34) - 
   (3*s14*s24*z2*z4)/(4*s12*s134*s34*z12*z34) - 
   (s23*s24*z2*z4)/(2*s12*s123*s34*z12*z34) + 
   (s23*s24*z2*z4)/(2*s12*s124*s34*z12*z34) + (s13*s23*s24*z2*z4)/
    (s12^2*s124*s34*z12*z34) + (s14*s23*s24*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) - (s14*s23*s24*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) - (3*s14*s24*z2*z4)/(4*s12*s234*s34*z12*z34) - 
   (s24^2*z2*z4)/(4*s12*s123*s34*z12*z34) + 
   (s24^2*z2*z4)/(4*s12*s124*s34*z12*z34) - (s13*s24^2*z2*z4)/
    (4*s12^2*s123*s34*z12*z34) + (3*s13*s24^2*z2*z4)/
    (4*s12^2*s124*s34*z12*z34) - (s34*z2*z4)/(2*s12*s123*z12*z34) + 
   (s34*z2*z4)/(2*s12*s124*z12*z34) - (s13*s34*z2*z4)/(s12^2*s123*z12*z34) - 
   (s14*s34*z2*z4)/(s12^2*s124*z12*z34) - (z3*z4)/(2*s123*z12*z34) - 
   (3*z3*z4)/(2*s124*z12*z34) + (s13*z3*z4)/(2*s12*s123*z12*z34) - 
   (s13*z3*z4)/(2*s12*s124*z12*z34) - (z3*z4)/(2*s134*z12*z34) + 
   (s14*z3*z4)/(s12*s123*z12*z34) - (s14*z3*z4)/(s12*s124*z12*z34) + 
   (s23*z3*z4)/(2*s12*s123*z12*z34) - (s23*z3*z4)/(2*s12*s124*z12*z34) - 
   (z3*z4)/(2*s234*z12*z34) + (s24*z3*z4)/(s12*s123*z12*z34) - 
   (s24*z3*z4)/(s12*s124*z12*z34) - (3*s12*z3*z4)/(s34^2*z12*z34) - 
   (4*s13*z3*z4)/(s34^2*z12*z34) - (s13^2*z3*z4)/(s12*s34^2*z12*z34) + 
   (s12*s13*z3*z4)/(4*s134*s34^2*z12*z34) + 
   (s13^2*z3*z4)/(2*s134*s34^2*z12*z34) + 
   (s13^3*z3*z4)/(4*s12*s134*s34^2*z12*z34) - (4*s14*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s14*z3*z4)/(s12*s34^2*z12*z34) + (s12*s14*z3*z4)/
    (4*s134*s34^2*z12*z34) + (s13*s14*z3*z4)/(s134*s34^2*z12*z34) + 
   (3*s13^2*s14*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s14^2*z3*z4)/(s12*s34^2*z12*z34) + (s14^2*z3*z4)/(2*s134*s34^2*z12*z34) + 
   (3*s13*s14^2*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s14^3*z3*z4)/(4*s12*s134*s34^2*z12*z34) - (4*s23*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s23*z3*z4)/(s12*s34^2*z12*z34) - (s12*s23*z3*z4)/
    (4*s134*s34^2*z12*z34) + (s13*s23*z3*z4)/(4*s134*s34^2*z12*z34) + 
   (s13^2*s23*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (2*s14*s23*z3*z4)/(s12*s34^2*z12*z34) + (s14*s23*z3*z4)/
    (4*s134*s34^2*z12*z34) + (s13*s14*s23*z3*z4)/(s12*s134*s34^2*z12*z34) + 
   (s14^2*s23*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s23^2*z3*z4)/(s12*s34^2*z12*z34) - (s23^2*z3*z4)/(4*s134*s34^2*z12*z34) + 
   (s13*s23^2*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s14*s23^2*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (3*s12*s13*z3*z4)/(4*s234*s34^2*z12*z34) - 
   (s13^2*z3*z4)/(s234*s34^2*z12*z34) - (s13^3*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (3*s12*s14*z3*z4)/(4*s234*s34^2*z12*z34) - 
   (2*s13*s14*z3*z4)/(s234*s34^2*z12*z34) - (3*s13^2*s14*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s14^2*z3*z4)/(s234*s34^2*z12*z34) - 
   (3*s13*s14^2*z3*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (s14^3*z3*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (s12*s23*z3*z4)/(4*s234*s34^2*z12*z34) - (5*s13*s23*z3*z4)/
    (4*s234*s34^2*z12*z34) - (s13^2*s23*z3*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (5*s14*s23*z3*z4)/(4*s234*s34^2*z12*z34) - (s13*s14*s23*z3*z4)/
    (s12*s234*s34^2*z12*z34) - (s14^2*s23*z3*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s23^2*z3*z4)/(4*s234*s34^2*z12*z34) - (s13*s23^2*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s14*s23^2*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (4*s24*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s24*z3*z4)/(s12*s34^2*z12*z34) - (s12*s24*z3*z4)/
    (4*s134*s34^2*z12*z34) + (s13*s24*z3*z4)/(4*s134*s34^2*z12*z34) + 
   (s13^2*s24*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (2*s14*s24*z3*z4)/(s12*s34^2*z12*z34) + (s14*s24*z3*z4)/
    (4*s134*s34^2*z12*z34) + (s13*s14*s24*z3*z4)/(s12*s134*s34^2*z12*z34) + 
   (s14^2*s24*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (2*s23*s24*z3*z4)/(s12*s34^2*z12*z34) - (s23*s24*z3*z4)/
    (2*s134*s34^2*z12*z34) + (s13*s23*s24*z3*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23*s24*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s12*s24*z3*z4)/(4*s234*s34^2*z12*z34) - (5*s13*s24*z3*z4)/
    (4*s234*s34^2*z12*z34) - (s13^2*s24*z3*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (5*s14*s24*z3*z4)/(4*s234*s34^2*z12*z34) - (s13*s14*s24*z3*z4)/
    (s12*s234*s34^2*z12*z34) - (s14^2*s24*z3*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s23*s24*z3*z4)/(2*s234*s34^2*z12*z34) - (s13*s23*s24*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) - (s14*s23*s24*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) - (s24^2*z3*z4)/(s12*s34^2*z12*z34) - 
   (s24^2*z3*z4)/(4*s134*s34^2*z12*z34) + (s13*s24^2*z3*z4)/
    (4*s12*s134*s34^2*z12*z34) + (s14*s24^2*z3*z4)/
    (4*s12*s134*s34^2*z12*z34) - (s24^2*z3*z4)/(4*s234*s34^2*z12*z34) - 
   (s13*s24^2*z3*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (s14*s24^2*z3*z4)/(4*s12*s234*s34^2*z12*z34) - (3*z3*z4)/(s34*z12*z34) - 
   (3*s12*z3*z4)/(2*s123*s34*z12*z34) - (3*s12*z3*z4)/(2*s124*s34*z12*z34) - 
   (s13*z3*z4)/(s12*s34*z12*z34) - (2*s13*z3*z4)/(s123*s34*z12*z34) - 
   (2*s13*z3*z4)/(s124*s34*z12*z34) - (s13^2*z3*z4)/
    (2*s12*s123*s34*z12*z34) - (s13^2*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s12*z3*z4)/(2*s134*s34*z12*z34) - (s13*z3*z4)/(4*s134*s34*z12*z34) + 
   (s13^2*z3*z4)/(4*s12*s134*s34*z12*z34) - (s14*z3*z4)/(s12*s34*z12*z34) - 
   (3*s14*z3*z4)/(2*s123*s34*z12*z34) - (5*s14*z3*z4)/(2*s124*s34*z12*z34) - 
   (s13*s14*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (3*s13*s14*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s14*z3*z4)/(4*s134*s34*z12*z34) + (s13*s14*z3*z4)/
    (2*s12*s134*s34*z12*z34) - (s14^2*z3*z4)/(s12*s124*s34*z12*z34) + 
   (s14^2*z3*z4)/(4*s12*s134*s34*z12*z34) - (s23*z3*z4)/(s12*s34*z12*z34) - 
   (2*s23*z3*z4)/(s123*s34*z12*z34) - (2*s23*z3*z4)/(s124*s34*z12*z34) - 
   (s13*s23*z3*z4)/(s12*s123*s34*z12*z34) - (s13*s23*z3*z4)/
    (s12*s124*s34*z12*z34) - (3*s23*z3*z4)/(4*s134*s34*z12*z34) + 
   (s13*s23*z3*z4)/(4*s12*s134*s34*z12*z34) - 
   (s14*s23*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (3*s14*s23*z3*z4)/(2*s12*s124*s34*z12*z34) + 
   (s14*s23*z3*z4)/(4*s12*s134*s34*z12*z34) - 
   (s23^2*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s23^2*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s12*z3*z4)/(2*s234*s34*z12*z34) - (5*s13*z3*z4)/(4*s234*s34*z12*z34) - 
   (s13^2*z3*z4)/(4*s12*s234*s34*z12*z34) - 
   (5*s14*z3*z4)/(4*s234*s34*z12*z34) - (s13*s14*z3*z4)/
    (2*s12*s234*s34*z12*z34) - (s14^2*z3*z4)/(4*s12*s234*s34*z12*z34) - 
   (3*s23*z3*z4)/(4*s234*s34*z12*z34) - (s13*s23*z3*z4)/
    (4*s12*s234*s34*z12*z34) - (s14*s23*z3*z4)/(4*s12*s234*s34*z12*z34) - 
   (s24*z3*z4)/(s12*s34*z12*z34) - (3*s24*z3*z4)/(2*s123*s34*z12*z34) - 
   (5*s24*z3*z4)/(2*s124*s34*z12*z34) - (s13*s24*z3*z4)/
    (2*s12*s123*s34*z12*z34) - (3*s13*s24*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (3*s24*z3*z4)/(4*s134*s34*z12*z34) + (s13*s24*z3*z4)/
    (4*s12*s134*s34*z12*z34) - (2*s14*s24*z3*z4)/(s12*s124*s34*z12*z34) + 
   (s14*s24*z3*z4)/(4*s12*s134*s34*z12*z34) - 
   (s23*s24*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (3*s23*s24*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (3*s24*z3*z4)/(4*s234*s34*z12*z34) - (s13*s24*z3*z4)/
    (4*s12*s234*s34*z12*z34) - (s14*s24*z3*z4)/(4*s12*s234*s34*z12*z34) - 
   (s24^2*z3*z4)/(s12*s124*s34*z12*z34) + (s34*z3*z4)/(s12*s123*z12*z34) - 
   (2*z3*z4^2)/(s12*z12*z34^2) + (2*s12*z3*z4^2)/(s34^2*z12*z34^2) + 
   (2*s13*z3*z4^2)/(s34^2*z12*z34^2) + (2*s14*z3*z4^2)/(s34^2*z12*z34^2) + 
   (2*s23*z3*z4^2)/(s34^2*z12*z34^2) + (2*s24*z3*z4^2)/(s34^2*z12*z34^2) - 
   (2*s13*z3*z4^2)/(s12*s34*z12*z34^2) - (2*s14*z3*z4^2)/
    (s12*s34*z12*z34^2) - (2*s23*z3*z4^2)/(s12*s34*z12*z34^2) - 
   (2*s24*z3*z4^2)/(s12*s34*z12*z34^2) + (2*z4^2)/(s12*z12*z34) - 
   z4^2/(2*s123*z12*z34) + z4^2/(2*s124*z12*z34) - 
   (s13*z4^2)/(2*s12*s123*z12*z34) + (3*s13*z4^2)/(2*s12*s124*z12*z34) + 
   z4^2/(2*s134*z12*z34) + (s14*z4^2)/(s12*s124*z12*z34) - 
   (s23*z4^2)/(2*s12*s123*z12*z34) + (3*s23*z4^2)/(2*s12*s124*z12*z34) + 
   z4^2/(2*s234*z12*z34) + (s24*z4^2)/(s12*s124*z12*z34) - 
   (s12*z4^2)/(s34^2*z12*z34) + (s13^2*z4^2)/(s12*s34^2*z12*z34) - 
   (s12*s13*z4^2)/(4*s134*s34^2*z12*z34) - 
   (s13^2*z4^2)/(2*s134*s34^2*z12*z34) - 
   (s13^3*z4^2)/(4*s12*s134*s34^2*z12*z34) - (s14*z4^2)/(s34^2*z12*z34) + 
   (s13*s14*z4^2)/(s12*s34^2*z12*z34) + (s12*s14*z4^2)/
    (4*s134*s34^2*z12*z34) - (s13*s14*z4^2)/(4*s134*s34^2*z12*z34) - 
   (s13^2*s14*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*z4^2)/(4*s134*s34^2*z12*z34) - (s13*s14^2*z4^2)/
    (4*s12*s134*s34^2*z12*z34) + (2*s13*s23*z4^2)/(s12*s34^2*z12*z34) + 
   (s12*s23*z4^2)/(4*s134*s34^2*z12*z34) - 
   (s13*s23*z4^2)/(4*s134*s34^2*z12*z34) - (s13^2*s23*z4^2)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s23*z4^2)/(s12*s34^2*z12*z34) + 
   (s14*s23*z4^2)/(2*s134*s34^2*z12*z34) - (s13*s14*s23*z4^2)/
    (2*s12*s134*s34^2*z12*z34) + (s23^2*z4^2)/(s12*s34^2*z12*z34) + 
   (s23^2*z4^2)/(4*s134*s34^2*z12*z34) - (s13*s23^2*z4^2)/
    (4*s12*s134*s34^2*z12*z34) + (3*s12*s13*z4^2)/(4*s234*s34^2*z12*z34) + 
   (s13^2*z4^2)/(s234*s34^2*z12*z34) + (s13^3*z4^2)/
    (4*s12*s234*s34^2*z12*z34) + (s12*s14*z4^2)/(4*s234*s34^2*z12*z34) + 
   (5*s13*s14*z4^2)/(4*s234*s34^2*z12*z34) + (s13^2*s14*z4^2)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*z4^2)/(4*s234*s34^2*z12*z34) + 
   (s13*s14^2*z4^2)/(4*s12*s234*s34^2*z12*z34) + 
   (s12*s23*z4^2)/(4*s234*s34^2*z12*z34) + (5*s13*s23*z4^2)/
    (4*s234*s34^2*z12*z34) + (s13^2*s23*z4^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s23*z4^2)/(2*s234*s34^2*z12*z34) + (s13*s14*s23*z4^2)/
    (2*s12*s234*s34^2*z12*z34) + (s23^2*z4^2)/(4*s234*s34^2*z12*z34) + 
   (s13*s23^2*z4^2)/(4*s12*s234*s34^2*z12*z34) - (s24*z4^2)/(s34^2*z12*z34) + 
   (s13*s24*z4^2)/(s12*s34^2*z12*z34) + (s12*s24*z4^2)/
    (4*s134*s34^2*z12*z34) - (s13*s24*z4^2)/(4*s134*s34^2*z12*z34) - 
   (s13^2*s24*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s24*z4^2)/(2*s134*s34^2*z12*z34) - (s13*s14*s24*z4^2)/
    (2*s12*s134*s34^2*z12*z34) + (s23*s24*z4^2)/(s12*s34^2*z12*z34) + 
   (s23*s24*z4^2)/(2*s134*s34^2*z12*z34) - (s13*s23*s24*z4^2)/
    (2*s12*s134*s34^2*z12*z34) + (s12*s24*z4^2)/(4*s234*s34^2*z12*z34) + 
   (5*s13*s24*z4^2)/(4*s234*s34^2*z12*z34) + (s13^2*s24*z4^2)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s24*z4^2)/(2*s234*s34^2*z12*z34) + 
   (s13*s14*s24*z4^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s23*s24*z4^2)/(2*s234*s34^2*z12*z34) + (s13*s23*s24*z4^2)/
    (2*s12*s234*s34^2*z12*z34) + (s24^2*z4^2)/(4*s134*s34^2*z12*z34) - 
   (s13*s24^2*z4^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s24^2*z4^2)/(4*s234*s34^2*z12*z34) + (s13*s24^2*z4^2)/
    (4*s12*s234*s34^2*z12*z34) + z4^2/(s34*z12*z34) - 
   (s12*z4^2)/(2*s123*s34*z12*z34) - (s12*z4^2)/(2*s124*s34*z12*z34) + 
   (3*s13*z4^2)/(s12*s34*z12*z34) - (s13*z4^2)/(s123*s34*z12*z34) - 
   (s13^2*z4^2)/(2*s12*s123*s34*z12*z34) + 
   (s13^2*z4^2)/(2*s12*s124*s34*z12*z34) + (s12*z4^2)/(2*s134*s34*z12*z34) + 
   (s13*z4^2)/(4*s134*s34*z12*z34) - (s13^2*z4^2)/(4*s12*s134*s34*z12*z34) + 
   (2*s14*z4^2)/(s12*s34*z12*z34) - (s14*z4^2)/(2*s123*s34*z12*z34) - 
   (s14*z4^2)/(2*s124*s34*z12*z34) - (s13*s14*z4^2)/
    (2*s12*s123*s34*z12*z34) + (s13*s14*z4^2)/(2*s12*s124*s34*z12*z34) + 
   (3*s14*z4^2)/(4*s134*s34*z12*z34) - (s13*s14*z4^2)/
    (4*s12*s134*s34*z12*z34) + (3*s23*z4^2)/(s12*s34*z12*z34) - 
   (s23*z4^2)/(s123*s34*z12*z34) - (s13*s23*z4^2)/(s12*s123*s34*z12*z34) + 
   (s13*s23*z4^2)/(s12*s124*s34*z12*z34) + 
   (3*s23*z4^2)/(4*s134*s34*z12*z34) - (s13*s23*z4^2)/
    (4*s12*s134*s34*z12*z34) - (s14*s23*z4^2)/(2*s12*s123*s34*z12*z34) + 
   (s14*s23*z4^2)/(2*s12*s124*s34*z12*z34) - 
   (s23^2*z4^2)/(2*s12*s123*s34*z12*z34) + 
   (s23^2*z4^2)/(2*s12*s124*s34*z12*z34) + (s12*z4^2)/(2*s234*s34*z12*z34) + 
   (5*s13*z4^2)/(4*s234*s34*z12*z34) + (s13^2*z4^2)/
    (4*s12*s234*s34*z12*z34) + (3*s14*z4^2)/(4*s234*s34*z12*z34) + 
   (s13*s14*z4^2)/(4*s12*s234*s34*z12*z34) + 
   (3*s23*z4^2)/(4*s234*s34*z12*z34) + (s13*s23*z4^2)/
    (4*s12*s234*s34*z12*z34) + (2*s24*z4^2)/(s12*s34*z12*z34) - 
   (s24*z4^2)/(2*s123*s34*z12*z34) - (s24*z4^2)/(2*s124*s34*z12*z34) - 
   (s13*s24*z4^2)/(2*s12*s123*s34*z12*z34) + 
   (s13*s24*z4^2)/(2*s12*s124*s34*z12*z34) + 
   (3*s24*z4^2)/(4*s134*s34*z12*z34) - (s13*s24*z4^2)/
    (4*s12*s134*s34*z12*z34) - (s23*s24*z4^2)/(2*s12*s123*s34*z12*z34) + 
   (s23*s24*z4^2)/(2*s12*s124*s34*z12*z34) + 
   (3*s24*z4^2)/(4*s234*s34*z12*z34) + (s13*s24*z4^2)/
    (4*s12*s234*s34*z12*z34) + (s34*z4^2)/(s12*s124*z12*z34)) + 
 k3k2*(-D/(2*s12) - D/(4*s123) - D/(4*s124) + s13/s12^2 + s13/(2*s12*s123) - 
   (D*s13)/(4*s12*s123) - (D*s13)/(4*s12*s124) + s13^2/(2*s12^2*s123) - 
   D/(4*s134) + (2*s12)/(s123*s134) - (D*s12)/(2*s123*s134) + 
   (D*s12)/(4*s124*s134) + s13/(2*s12*s134) + (D*s13)/(4*s12*s134) + 
   (4*s13)/(s123*s134) - (D*s13)/(2*s123*s134) + (D*s13)/(4*s124*s134) + 
   (2*s13^2)/(s12*s123*s134) + s14/s12^2 + (2*s14)/(s12*s123) - 
   (D*s14)/(2*s12*s123) + (3*s14)/(s123*s124) - (D*s14)/(2*s123*s124) + 
   (2*s13*s14)/(s12*s123*s124) - (D*s13*s14)/(2*s12*s123*s124) - 
   (s13^2*s14)/(s12^2*s123*s124) - s14/(2*s12*s134) + (D*s14)/(4*s12*s134) + 
   (4*s14)/(s123*s134) - (D*s14)/(2*s123*s134) + (D*s14)/(4*s124*s134) + 
   (D*s13*s14)/(2*s12*s123*s134) - (s13*s14)/(s12*s124*s134) + 
   (D*s13*s14)/(4*s12*s124*s134) - (3*s14^2)/(2*s12^2*s124) + 
   (3*s14^2)/(s12*s123*s124) - (D*s14^2)/(2*s12*s123*s124) - 
   (s13*s14^2)/(s12^2*s123*s124) - (2*s14^2)/(s12*s123*s134) + 
   (D*s14^2)/(2*s12*s123*s134) + s14^2/(s12*s124*s134) + 
   (D*s14^2)/(4*s12*s124*s134) - (D*s23)/(4*s12*s123) - 
   (D*s23)/(4*s12*s124) + (s13*s23)/(2*s12^2*s123) + (2*s23)/(s123*s134) - 
   (D*s23)/(2*s123*s134) + (D*s23)/(4*s124*s134) + 
   (2*s13*s23)/(s12*s123*s134) + (3*s14*s23)/(2*s12^2*s124) + 
   (4*s14*s23)/(s12*s123*s124) - (D*s14*s23)/(2*s12*s123*s124) - 
   (s14*s23)/(s12*s124*s134) + (s14^2*s23)/(s12^2*s123*s124) + 
   (s14*s23^2)/(s12^2*s123*s124) - D/(4*s234) + (D*s12)/(4*s123*s234) + 
   (2*s12)/(s124*s234) - (D*s12)/(2*s124*s234) + s13/(s12*s234) - 
   (D*s13)/(4*s12*s234) + (D*s13)/(4*s123*s234) + (2*s13)/(s124*s234) - 
   (D*s13)/(2*s124*s234) - s12/(s134*s234) + (2*s13)/(s134*s234) - 
   (D*s13)/(2*s134*s234) + (2*s14)/(s12*s234) - (D*s14)/(4*s12*s234) + 
   (D*s14)/(4*s123*s234) + (4*s14)/(s124*s234) - (D*s14)/(2*s124*s234) - 
   (s13*s14)/(s12*s123*s234) + (D*s13*s14)/(4*s12*s123*s234) + 
   (D*s13*s14)/(2*s12*s124*s234) + (3*s14)/(s134*s234) - 
   (D*s14)/(2*s134*s234) - s14^2/(s12*s123*s234) + 
   (D*s14^2)/(4*s12*s123*s234) + (D*s14^2)/(2*s12*s124*s234) + 
   (D*s23)/(4*s123*s234) + (2*s23)/(s124*s234) - (D*s23)/(2*s124*s234) + 
   (s14*s23)/(s12*s123*s234) + (2*s14*s23)/(s12*s124*s234) + s24/(s12*s123) - 
   (D*s24)/(2*s12*s123) + s24/(2*s12*s124) + (2*s24)/(s123*s124) - 
   (D*s24)/(2*s123*s124) - (s13*s24)/(2*s12^2*s124) + 
   (2*s13*s24)/(s12*s123*s124) - (D*s13*s24)/(2*s12*s123*s124) + 
   (2*s24)/(s123*s134) - (D*s24)/(2*s123*s134) + (D*s24)/(4*s124*s134) + 
   (D*s13*s24)/(2*s12*s123*s134) + (D*s13*s24)/(4*s12*s124*s134) + 
   (3*s14*s24)/(2*s12^2*s124) + (5*s14*s24)/(s12*s123*s124) - 
   (D*s14*s24)/(s12*s123*s124) - (s13*s14*s24)/(s12^2*s123*s124) - 
   (2*s14*s24)/(s12*s123*s134) + (D*s14*s24)/(2*s12*s123*s134) - 
   (s14*s24)/(s12*s124*s134) + (D*s14*s24)/(4*s12*s124*s134) + 
   (2*s23*s24)/(s12*s123*s124) - (D*s23*s24)/(2*s12*s123*s124) + 
   (s14*s23*s24)/(s12^2*s123*s124) + (D*s24)/(4*s123*s234) + 
   (4*s24)/(s124*s234) - (D*s24)/(2*s124*s234) + 
   (D*s13*s24)/(4*s12*s123*s234) - (2*s13*s24)/(s12*s124*s234) + 
   (D*s13*s24)/(2*s12*s124*s234) - (s14*s24)/(s12*s123*s234) + 
   (D*s14*s24)/(4*s12*s123*s234) + (D*s14*s24)/(2*s12*s124*s234) + 
   (2*s24^2)/(s12*s123*s124) - (D*s24^2)/(2*s12*s123*s124) + s14/s34^2 + 
   (s13*s14)/(s12*s34^2) + (s12*s14)/(2*s134*s34^2) + 
   (3*s13*s14)/(2*s134*s34^2) + (s13^2*s14)/(s12*s134*s34^2) - 
   s14^2/(s12*s34^2) - (2*s13*s14^2)/(s12^2*s34^2) - 
   (3*s14^2)/(2*s134*s34^2) - (s13*s14^2)/(s12*s134*s34^2) - 
   (2*s14^3)/(s12^2*s34^2) - (2*s14^3)/(s12*s134*s34^2) + 
   (2*s14*s23)/(s12*s34^2) + (s13*s14*s23)/(s12^2*s34^2) + 
   (3*s14*s23)/(2*s134*s34^2) + (2*s13*s14*s23)/(s12*s134*s34^2) - 
   (s14^2*s23)/(s12^2*s34^2) - (s14^2*s23)/(s12*s134*s34^2) + 
   (s14*s23^2)/(s12^2*s34^2) + (s14*s23^2)/(s12*s134*s34^2) + 
   (s12*s14*s23)/(s134*s234*s34^2) + (s13*s14*s23)/(s134*s234*s34^2) + 
   (s14^2*s23)/(s134*s234*s34^2) + (s14*s23^2)/(s134*s234*s34^2) + 
   s24/s34^2 - (s13^2*s24)/(s12^2*s34^2) - (s13*s24)/(2*s134*s34^2) - 
   (s13^2*s24)/(2*s12*s134*s34^2) + (2*s14*s24)/(s12*s34^2) - 
   (s13*s14*s24)/(s12^2*s34^2) - (2*s14^2*s24)/(s12^2*s34^2) - 
   (5*s14^2*s24)/(2*s12*s134*s34^2) + (s23*s24)/(s12*s34^2) - 
   (s13*s23*s24)/(s12^2*s34^2) - (s13*s23*s24)/(2*s12*s134*s34^2) + 
   (s14*s23*s24)/(s12^2*s34^2) + (s14*s23*s24)/(2*s12*s134*s34^2) + 
   (s12*s24)/(2*s234*s34^2) - (s13^2*s24)/(2*s12*s234*s34^2) - 
   (s13*s14*s24)/(s12*s234*s34^2) - (s12*s14*s24)/(s134*s234*s34^2) - 
   (s13*s14*s24)/(s134*s234*s34^2) - (s14^2*s24)/(2*s12*s234*s34^2) - 
   (s14^2*s24)/(s134*s234*s34^2) + (s23*s24)/(2*s234*s34^2) - 
   (s13*s23*s24)/(2*s12*s234*s34^2) - (s14*s23*s24)/(2*s12*s234*s34^2) + 
   s24^2/(s12*s34^2) - (s13*s24^2)/(s12^2*s34^2) - 
   (s13*s24^2)/(2*s12*s134*s34^2) - (s14*s24^2)/(2*s12*s134*s34^2) + 
   s24^2/(2*s234*s34^2) - (s13*s24^2)/(2*s12*s234*s34^2) - 
   (s14*s24^2)/(2*s12*s234*s34^2) - (s14*s24^2)/(s134*s234*s34^2) - 
   D/(2*s34) + s13/(s12*s34) - (D*s13)/(2*s12*s34) + s13^2/(s12^2*s34) - 
   (D*s12)/(4*s134*s34) + s13/(2*s134*s34) + s13^2/(2*s12*s134*s34) + 
   (D*s13^2)/(4*s12*s134*s34) + (2*s14)/(s12*s34) - (D*s14)/(2*s12*s34) + 
   (2*s14)/(s123*s34) - (D*s14)/(4*s123*s34) - s14/(2*s124*s34) + 
   (D*s14)/(4*s124*s34) + (2*s13*s14)/(s12^2*s34) + 
   (3*s13*s14)/(2*s12*s123*s34) - (D*s13*s14)/(4*s12*s123*s34) - 
   (s13*s14)/(s12*s124*s34) + (D*s13*s14)/(4*s12*s124*s34) - 
   (s13^2*s14)/(2*s12^2*s123*s34) - (s13^2*s14)/(2*s12^2*s124*s34) + 
   (2*s12*s14)/(s123*s134*s34) + (s13*s14)/(s12*s134*s34) + 
   (D*s13*s14)/(2*s12*s134*s34) + (D*s13*s14)/(2*s123*s134*s34) - 
   (s13*s14)/(s124*s134*s34) + (D*s13*s14)/(4*s124*s134*s34) - 
   (2*s13^2*s14)/(s12*s123*s134*s34) + (D*s13^2*s14)/(2*s12*s123*s134*s34) - 
   (s13^2*s14)/(s12*s124*s134*s34) + (D*s13^2*s14)/(4*s12*s124*s134*s34) - 
   s14^2/(s12^2*s34) + (2*s14^2)/(s12*s123*s34) - 
   (D*s14^2)/(4*s12*s123*s34) - (5*s14^2)/(2*s12*s124*s34) + 
   (D*s14^2)/(4*s12*s124*s34) - (s13*s14^2)/(2*s12^2*s123*s34) - 
   (5*s13*s14^2)/(2*s12^2*s124*s34) - (5*s14^2)/(2*s12*s134*s34) + 
   (D*s14^2)/(4*s12*s134*s34) + (D*s14^2)/(2*s123*s134*s34) + 
   s14^2/(s124*s134*s34) + (D*s14^2)/(4*s124*s134*s34) - 
   (4*s13*s14^2)/(s12*s123*s134*s34) + (D*s13*s14^2)/(s12*s123*s134*s34) + 
   (D*s13*s14^2)/(2*s12*s124*s134*s34) - (2*s14^3)/(s12^2*s124*s34) - 
   (2*s14^3)/(s12*s123*s134*s34) + (D*s14^3)/(2*s12*s123*s134*s34) + 
   s14^3/(s12*s124*s134*s34) + (D*s14^3)/(4*s12*s124*s134*s34) - 
   (D*s23)/(2*s12*s34) + (s13*s23)/(s12^2*s34) - (D*s23)/(4*s134*s34) + 
   (s13*s23)/(2*s12*s134*s34) + (D*s13*s23)/(4*s12*s134*s34) + 
   (2*s14*s23)/(s12^2*s34) + (2*s14*s23)/(s12*s123*s34) - 
   (D*s14*s23)/(4*s12*s123*s34) + (s14*s23)/(2*s12*s124*s34) + 
   (D*s14*s23)/(4*s12*s124*s34) - (s13*s14*s23)/(2*s12^2*s123*s34) + 
   (s13*s14*s23)/(2*s12^2*s124*s34) + (s14*s23)/(2*s12*s134*s34) + 
   (D*s14*s23)/(4*s12*s134*s34) + (2*s14*s23)/(s123*s134*s34) - 
   (s14*s23)/(s124*s134*s34) - (2*s13*s14*s23)/(s12*s123*s134*s34) + 
   (D*s13*s14*s23)/(2*s12*s123*s134*s34) - (2*s13*s14*s23)/
    (s12*s124*s134*s34) + (D*s13*s14*s23)/(4*s12*s124*s134*s34) - 
   (s14^2*s23)/(s12^2*s124*s34) - (2*s14^2*s23)/(s12*s123*s134*s34) + 
   (D*s14^2*s23)/(2*s12*s123*s134*s34) + (D*s14^2*s23)/
    (4*s12*s124*s134*s34) + (s14*s23^2)/(s12^2*s124*s34) - 
   (s14*s23^2)/(s12*s124*s134*s34) - (D*s12)/(4*s234*s34) + s13/(s234*s34) - 
   (D*s13)/(2*s234*s34) + s13^2/(s12*s234*s34) - (D*s13^2)/(4*s12*s234*s34) - 
   s12^2/(s134*s234*s34) + (s12*s13)/(s134*s234*s34) - 
   (D*s12*s13)/(2*s134*s234*s34) + (2*s13^2)/(s134*s234*s34) - 
   (D*s13^2)/(2*s134*s234*s34) + (2*s14)/(s234*s34) - (D*s14)/(2*s234*s34) + 
   (3*s13*s14)/(s12*s234*s34) - (D*s13*s14)/(2*s12*s234*s34) - 
   (s13*s14)/(s123*s234*s34) + (D*s13*s14)/(4*s123*s234*s34) - 
   (2*s13*s14)/(s124*s234*s34) + (D*s13*s14)/(2*s124*s234*s34) - 
   (s13^2*s14)/(s12*s123*s234*s34) + (D*s13^2*s14)/(4*s12*s123*s234*s34) - 
   (2*s13^2*s14)/(s12*s124*s234*s34) + (D*s13^2*s14)/(2*s12*s124*s234*s34) + 
   (2*s12*s14)/(s134*s234*s34) - (D*s12*s14)/(2*s134*s234*s34) + 
   (5*s13*s14)/(s134*s234*s34) - (D*s13*s14)/(s134*s234*s34) + 
   (2*s14^2)/(s12*s234*s34) - (D*s14^2)/(4*s12*s234*s34) - 
   s14^2/(s123*s234*s34) + (D*s14^2)/(4*s123*s234*s34) - 
   (2*s14^2)/(s124*s234*s34) + (D*s14^2)/(2*s124*s234*s34) - 
   (2*s13*s14^2)/(s12*s123*s234*s34) + (D*s13*s14^2)/(2*s12*s123*s234*s34) - 
   (4*s13*s14^2)/(s12*s124*s234*s34) + (D*s13*s14^2)/(s12*s124*s234*s34) + 
   (3*s14^2)/(s134*s234*s34) - (D*s14^2)/(2*s134*s234*s34) - 
   s14^3/(s12*s123*s234*s34) + (D*s14^3)/(4*s12*s123*s234*s34) - 
   (2*s14^3)/(s12*s124*s234*s34) + (D*s14^3)/(2*s12*s124*s234*s34) - 
   (D*s23)/(4*s234*s34) + (s13*s23)/(s12*s234*s34) - 
   (D*s13*s23)/(4*s12*s234*s34) - (s12*s23)/(s134*s234*s34) + 
   (2*s13*s23)/(s134*s234*s34) - (D*s13*s23)/(2*s134*s234*s34) + 
   (2*s14*s23)/(s12*s234*s34) - (D*s14*s23)/(4*s12*s234*s34) + 
   (s14*s23)/(s123*s234*s34) + (D*s13*s14*s23)/(4*s12*s123*s234*s34) - 
   (2*s13*s14*s23)/(s12*s124*s234*s34) + (D*s13*s14*s23)/
    (2*s12*s124*s234*s34) + (4*s14*s23)/(s134*s234*s34) - 
   (D*s14*s23)/(2*s134*s234*s34) + (D*s14^2*s23)/(4*s12*s123*s234*s34) - 
   (2*s14^2*s23)/(s12*s124*s234*s34) + (D*s14^2*s23)/(2*s12*s124*s234*s34) + 
   (s14*s23^2)/(s12*s123*s234*s34) + s24/(s12*s34) - (D*s24)/(2*s12*s34) + 
   s24/(s123*s34) - (D*s24)/(4*s123*s34) + s24/(2*s124*s34) + 
   (D*s24)/(4*s124*s34) + (s13*s24)/(2*s12*s123*s34) - 
   (D*s13*s24)/(4*s12*s123*s34) + (D*s13*s24)/(4*s12*s124*s34) - 
   (s13^2*s24)/(2*s12^2*s123*s34) - (s13^2*s24)/(2*s12^2*s124*s34) - 
   (D*s24)/(4*s134*s34) + (D*s13*s24)/(4*s12*s134*s34) - 
   (2*s13*s24)/(s123*s134*s34) + (D*s13*s24)/(2*s123*s134*s34) + 
   (D*s13*s24)/(4*s124*s134*s34) - (2*s13^2*s24)/(s12*s123*s134*s34) + 
   (D*s13^2*s24)/(2*s12*s123*s134*s34) + (D*s13^2*s24)/
    (4*s12*s124*s134*s34) + (s14*s24)/(s12^2*s34) + 
   (3*s14*s24)/(s12*s123*s34) - (D*s14*s24)/(2*s12*s123*s34) + 
   (s14*s24)/(s12*s124*s34) + (D*s14*s24)/(2*s12*s124*s34) - 
   (s13*s14*s24)/(s12^2*s123*s34) - (s14*s24)/(s12*s134*s34) + 
   (D*s14*s24)/(4*s12*s134*s34) + (D*s14*s24)/(2*s123*s134*s34) - 
   (s14*s24)/(s124*s134*s34) + (D*s14*s24)/(4*s124*s134*s34) - 
   (6*s13*s14*s24)/(s12*s123*s134*s34) + (3*D*s13*s14*s24)/
    (2*s12*s123*s134*s34) - (2*s13*s14*s24)/(s12*s124*s134*s34) + 
   (3*D*s13*s14*s24)/(4*s12*s124*s134*s34) - (s14^2*s24)/(s12^2*s124*s34) - 
   (4*s14^2*s24)/(s12*s123*s134*s34) + (D*s14^2*s24)/(s12*s123*s134*s34) + 
   (D*s14^2*s24)/(2*s12*s124*s134*s34) + (s23*s24)/(s12*s123*s34) - 
   (D*s23*s24)/(4*s12*s123*s34) + (s23*s24)/(2*s12*s124*s34) + 
   (D*s23*s24)/(4*s12*s124*s34) - (s13*s23*s24)/(2*s12^2*s123*s34) - 
   (s13*s23*s24)/(2*s12^2*s124*s34) - (2*s13*s23*s24)/(s12*s123*s134*s34) + 
   (D*s13*s23*s24)/(2*s12*s123*s134*s34) + (D*s13*s23*s24)/
    (4*s12*s124*s134*s34) + (2*s14*s23*s24)/(s12^2*s124*s34) - 
   (2*s14*s23*s24)/(s12*s123*s134*s34) + (D*s14*s23*s24)/
    (2*s12*s123*s134*s34) - (2*s14*s23*s24)/(s12*s124*s134*s34) + 
   (D*s14*s23*s24)/(4*s12*s124*s134*s34) + s24/(2*s234*s34) - 
   (D*s24)/(4*s234*s34) + (2*s12*s24)/(s124*s234*s34) + 
   (s13*s24)/(2*s12*s234*s34) - (D*s13*s24)/(4*s12*s234*s34) + 
   (D*s13*s24)/(4*s123*s234*s34) + (D*s13*s24)/(2*s124*s234*s34) + 
   (D*s13^2*s24)/(4*s12*s123*s234*s34) - (2*s13^2*s24)/(s12*s124*s234*s34) + 
   (D*s13^2*s24)/(2*s12*s124*s234*s34) - (s12*s24)/(s134*s234*s34) + 
   (2*s13*s24)/(s134*s234*s34) - (D*s13*s24)/(2*s134*s234*s34) + 
   (3*s14*s24)/(2*s12*s234*s34) - (D*s14*s24)/(4*s12*s234*s34) - 
   (s14*s24)/(s123*s234*s34) + (D*s14*s24)/(4*s123*s234*s34) + 
   (D*s14*s24)/(2*s124*s234*s34) - (2*s13*s14*s24)/(s12*s123*s234*s34) + 
   (3*D*s13*s14*s24)/(4*s12*s123*s234*s34) - 
   (6*s13*s14*s24)/(s12*s124*s234*s34) + (3*D*s13*s14*s24)/
    (2*s12*s124*s234*s34) + (2*s14*s24)/(s134*s234*s34) - 
   (D*s14*s24)/(2*s134*s234*s34) - (2*s14^2*s24)/(s12*s123*s234*s34) + 
   (D*s14^2*s24)/(2*s12*s123*s234*s34) - (4*s14^2*s24)/(s12*s124*s234*s34) + 
   (D*s14^2*s24)/(s12*s124*s234*s34) + (2*s23*s24)/(s124*s234*s34) + 
   (D*s13*s23*s24)/(4*s12*s123*s234*s34) - (2*s13*s23*s24)/
    (s12*s124*s234*s34) + (D*s13*s23*s24)/(2*s12*s124*s234*s34) + 
   (D*s14*s23*s24)/(4*s12*s123*s234*s34) - (2*s14*s23*s24)/
    (s12*s124*s234*s34) + (D*s14*s23*s24)/(2*s12*s124*s234*s34) + 
   s24^2/(s12*s123*s34) - (D*s24^2)/(4*s12*s123*s34) + 
   s24^2/(2*s12*s124*s34) + (D*s24^2)/(4*s12*s124*s34) - 
   (s13*s24^2)/(2*s12^2*s123*s34) - (s13*s24^2)/(2*s12^2*s124*s34) - 
   (2*s13*s24^2)/(s12*s123*s134*s34) + (D*s13*s24^2)/(2*s12*s123*s134*s34) + 
   (D*s13*s24^2)/(4*s12*s124*s134*s34) + (s14*s24^2)/(s12^2*s124*s34) - 
   (2*s14*s24^2)/(s12*s123*s134*s34) + (D*s14*s24^2)/(2*s12*s123*s134*s34) - 
   (s14*s24^2)/(s12*s124*s134*s34) + (D*s14*s24^2)/(4*s12*s124*s134*s34) + 
   (2*s24^2)/(s124*s234*s34) + (D*s13*s24^2)/(4*s12*s123*s234*s34) - 
   (2*s13*s24^2)/(s12*s124*s234*s34) + (D*s13*s24^2)/(2*s12*s124*s234*s34) - 
   (s14*s24^2)/(s12*s123*s234*s34) + (D*s14*s24^2)/(4*s12*s123*s234*s34) - 
   (2*s14*s24^2)/(s12*s124*s234*s34) + (D*s14*s24^2)/(2*s12*s124*s234*s34) - 
   (D*s34)/(4*s12*s123) - (D*s34)/(4*s12*s124) - s34/(s123*s124) + 
   (s13*s34)/(2*s12^2*s123) - (s13*s34)/(s12*s123*s124) + 
   (2*s34)/(s123*s134) - (D*s34)/(2*s123*s134) + (D*s34)/(4*s124*s134) + 
   (2*s13*s34)/(s12*s123*s134) + (s14*s34)/(2*s12^2*s124) + 
   (2*s14*s34)/(s12*s123*s124) - (D*s14*s34)/(2*s12*s123*s124) - 
   (s13*s14*s34)/(s12^2*s123*s124) - (s23*s34)/(s12*s123*s124) + 
   (s14*s23*s34)/(s12^2*s123*s124) + (D*s34)/(4*s123*s234) + 
   (2*s34)/(s124*s234) - (D*s34)/(2*s124*s234) + 
   (2*s14*s34)/(s12*s124*s234) + (s24*s34)/(s12*s123*s124) - 
   (D*s24*s34)/(2*s12*s123*s124) - s34^2/(s12*s123*s124) + z1/(s12*z12) - 
   (s13*z1)/(s12^2*z12) - (s13*z1)/(2*s12*s123*z12) - 
   (s13^2*z1)/(2*s12^2*s123*z12) - (s12*z1)/(s123*s134*z12) + 
   (s12*z1)/(2*s124*s134*z12) - (3*s13*z1)/(4*s12*s134*z12) - 
   (2*s13*z1)/(s123*s134*z12) + (s13*z1)/(2*s124*s134*z12) - 
   (s13^2*z1)/(s12*s123*s134*z12) - (s14*z1)/(s12^2*z12) + 
   (s14*z1)/(s12*s123*z12) + (3*s14*z1)/(2*s12*s124*z12) + 
   (s14*z1)/(s123*s124*z12) + (2*s13*s14*z1)/(s12*s123*s124*z12) + 
   (s13^2*s14*z1)/(s12^2*s123*s124*z12) - (3*s14*z1)/(4*s12*s134*z12) + 
   (s14*z1)/(s123*s134*z12) + (s13*s14*z1)/(s12*s123*s134*z12) + 
   (s13*s14*z1)/(2*s12*s124*s134*z12) + (3*s14^2*z1)/(2*s12^2*s124*z12) + 
   (s14^2*z1)/(s12*s123*s124*z12) + (s13*s14^2*z1)/(s12^2*s123*s124*z12) - 
   (s14^2*z1)/(2*s12*s124*s134*z12) - (2*s23*z1)/(s12^2*z12) - 
   (s23*z1)/(s12*s123*z12) - (3*s13*s23*z1)/(2*s12^2*s123*z12) - 
   (3*s23*z1)/(4*s12*s134*z12) - (2*s23*z1)/(s123*s134*z12) + 
   (s23*z1)/(2*s124*s134*z12) - (2*s13*s23*z1)/(s12*s123*s134*z12) + 
   (s14*s23*z1)/(2*s12^2*s124*z12) + (2*s14*s23*z1)/(s12*s123*s124*z12) + 
   (2*s13*s14*s23*z1)/(s12^2*s123*s124*z12) + 
   (s14*s23*z1)/(s12*s123*s134*z12) + (s14*s23*z1)/(2*s12*s124*s134*z12) + 
   (s14^2*s23*z1)/(s12^2*s123*s124*z12) - (s23^2*z1)/(s12^2*s123*z12) - 
   (s23^2*z1)/(s12*s123*s134*z12) + (s14*s23^2*z1)/(s12^2*s123*s124*z12) + 
   (s12*z1)/(2*s123*s234*z12) - (s12*z1)/(s124*s234*z12) - 
   (s13*z1)/(4*s12*s234*z12) + (s13*z1)/(s123*s234*z12) - 
   (s13*z1)/(s124*s234*z12) + (s13^2*z1)/(2*s12*s123*s234*z12) - 
   (s14*z1)/(4*s12*s234*z12) + (s14*z1)/(2*s123*s234*z12) - 
   (2*s14*z1)/(s124*s234*z12) + (s13*s14*z1)/(2*s12*s123*s234*z12) - 
   (s13*s14*z1)/(s12*s124*s234*z12) - (s14^2*z1)/(s12*s124*s234*z12) - 
   (3*s23*z1)/(4*s12*s234*z12) + (s23*z1)/(s123*s234*z12) - 
   (s23*z1)/(s124*s234*z12) + (s13*s23*z1)/(s12*s123*s234*z12) + 
   (s14*s23*z1)/(2*s12*s123*s234*z12) - (s14*s23*z1)/(s12*s124*s234*z12) + 
   (s23^2*z1)/(2*s12*s123*s234*z12) - (2*s24*z1)/(s12^2*z12) - 
   (3*s13*s24*z1)/(2*s12^2*s124*z12) - (3*s24*z1)/(4*s12*s134*z12) - 
   (s24*z1)/(s123*s134*z12) + (s24*z1)/(s124*s134*z12) - 
   (s13*s24*z1)/(s12*s123*s134*z12) + (s13*s24*z1)/(2*s12*s124*s134*z12) + 
   (3*s14*s24*z1)/(2*s12^2*s124*z12) + (s14*s24*z1)/(s12*s123*s124*z12) + 
   (s13*s14*s24*z1)/(s12^2*s123*s124*z12) - (s23*s24*z1)/(s12^2*s124*z12) - 
   (s23*s24*z1)/(s12*s123*s134*z12) + (s23*s24*z1)/(2*s12*s124*s134*z12) + 
   (s14*s23*s24*z1)/(s12^2*s123*s124*z12) - (3*s24*z1)/(4*s12*s234*z12) - 
   (s24*z1)/(2*s123*s234*z12) - (s13*s24*z1)/(2*s12*s123*s234*z12) - 
   (s13*s24*z1)/(s12*s124*s234*z12) - (s23*s24*z1)/(2*s12*s123*s234*z12) - 
   (s23*s24*z1)/(s12*s124*s234*z12) + (s24^2*z1)/(2*s12*s124*s134*z12) + 
   (s24^2*z1)/(s12*s124*s234*z12) + (2*s14*z1)/(s34^2*z12) + 
   (2*s13*s14*z1)/(s12*s34^2*z12) + (s12*s14*z1)/(s134*s34^2*z12) + 
   (s13*s14*z1)/(s134*s34^2*z12) + (4*s14^2*z1)/(s12*s34^2*z12) + 
   (2*s13*s14^2*z1)/(s12^2*s34^2*z12) + (2*s14^2*z1)/(s134*s34^2*z12) + 
   (s13*s14^2*z1)/(s12*s134*s34^2*z12) + (2*s14^3*z1)/(s12^2*s34^2*z12) + 
   (s14^3*z1)/(s12*s134*s34^2*z12) + (3*s14*s23*z1)/(s12*s34^2*z12) + 
   (s13*s14*s23*z1)/(s12^2*s34^2*z12) + (3*s14*s23*z1)/(2*s134*s34^2*z12) + 
   (s13*s14*s23*z1)/(2*s12*s134*s34^2*z12) + (3*s14^2*s23*z1)/
    (s12^2*s34^2*z12) + (3*s14^2*s23*z1)/(2*s12*s134*s34^2*z12) + 
   (s14*s23^2*z1)/(s12^2*s34^2*z12) + (s14*s23^2*z1)/(2*s12*s134*s34^2*z12) - 
   (s14*s23*z1)/(2*s234*s34^2*z12) - (s13*s14*s23*z1)/
    (2*s12*s234*s34^2*z12) - (s14^2*s23*z1)/(2*s12*s234*s34^2*z12) - 
   (s14*s23^2*z1)/(2*s12*s234*s34^2*z12) + (s24*z1)/(s34^2*z12) - 
   (s13^2*s24*z1)/(s12^2*s34^2*z12) - (3*s13*s24*z1)/(4*s134*s34^2*z12) - 
   (3*s13^2*s24*z1)/(4*s12*s134*s34^2*z12) + (7*s14*s24*z1)/(s12*s34^2*z12) + 
   (3*s13*s14*s24*z1)/(s12^2*s34^2*z12) + (9*s14*s24*z1)/(4*s134*s34^2*z12) + 
   (s13*s14*s24*z1)/(2*s12*s134*s34^2*z12) + (6*s14^2*s24*z1)/
    (s12^2*s34^2*z12) + (9*s14^2*s24*z1)/(4*s12*s134*s34^2*z12) + 
   (s23*s24*z1)/(s12*s34^2*z12) - (s13*s23*s24*z1)/(s12^2*s34^2*z12) - 
   (s23*s24*z1)/(4*s134*s34^2*z12) - (s13*s23*s24*z1)/(s12*s134*s34^2*z12) + 
   (5*s14*s23*s24*z1)/(s12^2*s34^2*z12) + (3*s14*s23*s24*z1)/
    (2*s12*s134*s34^2*z12) - (s23^2*s24*z1)/(4*s12*s134*s34^2*z12) + 
   (s12*s24*z1)/(s234*s34^2*z12) + (5*s13*s24*z1)/(4*s234*s34^2*z12) + 
   (s13^2*s24*z1)/(4*s12*s234*s34^2*z12) + 
   (9*s14*s24*z1)/(4*s234*s34^2*z12) + (3*s13*s14*s24*z1)/
    (2*s12*s234*s34^2*z12) + (5*s14^2*s24*z1)/(4*s12*s234*s34^2*z12) + 
   (3*s23*s24*z1)/(4*s234*s34^2*z12) + (s14*s23*s24*z1)/
    (2*s12*s234*s34^2*z12) - (s23^2*s24*z1)/(4*s12*s234*s34^2*z12) + 
   (3*s24^2*z1)/(s12*s34^2*z12) + (s13*s24^2*z1)/(s12^2*s34^2*z12) + 
   (s24^2*z1)/(4*s134*s34^2*z12) - (s13*s24^2*z1)/(2*s12*s134*s34^2*z12) + 
   (6*s14*s24^2*z1)/(s12^2*s34^2*z12) + (3*s14*s24^2*z1)/
    (2*s12*s134*s34^2*z12) + (2*s23*s24^2*z1)/(s12^2*s34^2*z12) + 
   (9*s24^2*z1)/(4*s234*s34^2*z12) + (3*s13*s24^2*z1)/
    (2*s12*s234*s34^2*z12) + (5*s14*s24^2*z1)/(2*s12*s234*s34^2*z12) + 
   (s23*s24^2*z1)/(s12*s234*s34^2*z12) + (2*s24^3*z1)/(s12^2*s34^2*z12) + 
   (s24^3*z1)/(4*s12*s134*s34^2*z12) + (5*s24^3*z1)/(4*s12*s234*s34^2*z12) + 
   z1/(s34*z12) - (s13^2*z1)/(s12^2*s34*z12) - (3*s13*z1)/(4*s134*s34*z12) - 
   (3*s13^2*z1)/(4*s12*s134*s34*z12) + (2*s14*z1)/(s12*s34*z12) + 
   (s14*z1)/(s123*s34*z12) + (2*s14*z1)/(s124*s34*z12) - 
   (2*s13*s14*z1)/(s12^2*s34*z12) + (3*s13*s14*z1)/(2*s12*s123*s34*z12) + 
   (5*s13*s14*z1)/(2*s12*s124*s34*z12) + (s13^2*s14*z1)/
    (2*s12^2*s123*s34*z12) + (s13^2*s14*z1)/(2*s12^2*s124*s34*z12) + 
   (s14*z1)/(4*s134*s34*z12) + (2*s12*s14*z1)/(s123*s134*s34*z12) - 
   (s12*s14*z1)/(s124*s134*s34*z12) - (3*s13*s14*z1)/(2*s12*s134*s34*z12) + 
   (4*s13*s14*z1)/(s123*s134*s34*z12) - (s13*s14*z1)/(s124*s134*s34*z12) + 
   (2*s13^2*s14*z1)/(s12*s123*s134*s34*z12) + (s14^2*z1)/(s12^2*s34*z12) + 
   (s14^2*z1)/(s12*s123*s34*z12) + (4*s14^2*z1)/(s12*s124*s34*z12) + 
   (s13*s14^2*z1)/(2*s12^2*s123*s34*z12) + (5*s13*s14^2*z1)/
    (2*s12^2*s124*s34*z12) + (s14^2*z1)/(4*s12*s134*s34*z12) + 
   (2*s14^2*z1)/(s123*s134*s34*z12) - (2*s14^2*z1)/(s124*s134*s34*z12) + 
   (2*s13*s14^2*z1)/(s12*s123*s134*s34*z12) - 
   (s13*s14^2*z1)/(s12*s124*s134*s34*z12) + 
   (2*s14^3*z1)/(s12^2*s124*s34*z12) - (s14^3*z1)/(s12*s124*s134*s34*z12) - 
   (s23*z1)/(s12*s34*z12) - (3*s13*s23*z1)/(s12^2*s34*z12) - 
   (3*s23*z1)/(4*s134*s34*z12) - (3*s13*s23*z1)/(2*s12*s134*s34*z12) - 
   (2*s14*s23*z1)/(s12^2*s34*z12) + (2*s14*s23*z1)/(s12*s123*s34*z12) + 
   (3*s14*s23*z1)/(s12*s124*s34*z12) + (3*s13*s14*s23*z1)/
    (2*s12^2*s123*s34*z12) + (3*s13*s14*s23*z1)/(2*s12^2*s124*s34*z12) - 
   (s14*s23*z1)/(s12*s134*s34*z12) + (4*s14*s23*z1)/(s123*s134*s34*z12) - 
   (s14*s23*z1)/(s124*s134*s34*z12) + (4*s13*s14*s23*z1)/
    (s12*s123*s134*s34*z12) + (s14^2*s23*z1)/(s12^2*s123*s34*z12) + 
   (3*s14^2*s23*z1)/(s12^2*s124*s34*z12) + (2*s14^2*s23*z1)/
    (s12*s123*s134*s34*z12) - (s14^2*s23*z1)/(s12*s124*s134*s34*z12) - 
   (2*s23^2*z1)/(s12^2*s34*z12) - (3*s23^2*z1)/(4*s12*s134*s34*z12) + 
   (s14*s23^2*z1)/(s12^2*s123*s34*z12) + (s14*s23^2*z1)/
    (s12^2*s124*s34*z12) + (2*s14*s23^2*z1)/(s12*s123*s134*s34*z12) - 
   (s13*z1)/(4*s234*s34*z12) - (s13^2*z1)/(4*s12*s234*s34*z12) - 
   (s14*z1)/(4*s234*s34*z12) - (s13*s14*z1)/(2*s12*s234*s34*z12) - 
   (s14^2*z1)/(4*s12*s234*s34*z12) - (3*s23*z1)/(4*s234*s34*z12) - 
   (s13*s23*z1)/(s12*s234*s34*z12) - (3*s14*s23*z1)/(2*s12*s234*s34*z12) - 
   (3*s23^2*z1)/(4*s12*s234*s34*z12) + (s24*z1)/(s124*s34*z12) - 
   (4*s13*s24*z1)/(s12^2*s34*z12) + (s13*s24*z1)/(2*s12*s123*s34*z12) + 
   (s13*s24*z1)/(2*s12*s124*s34*z12) + (s13^2*s24*z1)/
    (2*s12^2*s123*s34*z12) - (s13^2*s24*z1)/(2*s12^2*s124*s34*z12) - 
   (3*s24*z1)/(4*s134*s34*z12) - (9*s13*s24*z1)/(4*s12*s134*s34*z12) + 
   (s14*s24*z1)/(s12^2*s34*z12) + (s14*s24*z1)/(s12*s123*s34*z12) + 
   (6*s14*s24*z1)/(s12*s124*s34*z12) + (s13*s14*s24*z1)/
    (s12^2*s123*s34*z12) + (3*s13*s14*s24*z1)/(s12^2*s124*s34*z12) - 
   (s14*s24*z1)/(4*s12*s134*s34*z12) + (2*s14*s24*z1)/(s123*s134*s34*z12) - 
   (2*s14*s24*z1)/(s124*s134*s34*z12) + (2*s13*s14*s24*z1)/
    (s12*s123*s134*s34*z12) - (s13*s14*s24*z1)/(s12*s124*s134*s34*z12) + 
   (5*s14^2*s24*z1)/(s12^2*s124*s34*z12) - (2*s14^2*s24*z1)/
    (s12*s124*s134*s34*z12) - (4*s23*s24*z1)/(s12^2*s34*z12) + 
   (s23*s24*z1)/(s12*s123*s34*z12) + (s23*s24*z1)/(s12*s124*s34*z12) + 
   (3*s13*s23*s24*z1)/(2*s12^2*s123*s34*z12) - 
   (s13*s23*s24*z1)/(2*s12^2*s124*s34*z12) - 
   (7*s23*s24*z1)/(4*s12*s134*s34*z12) + (2*s14*s23*s24*z1)/
    (s12^2*s123*s34*z12) + (4*s14*s23*s24*z1)/(s12^2*s124*s34*z12) + 
   (2*s14*s23*s24*z1)/(s12*s123*s134*s34*z12) - 
   (s14*s23*s24*z1)/(s12*s124*s134*s34*z12) + 
   (s23^2*s24*z1)/(s12^2*s123*s34*z12) + (s24*z1)/(4*s234*s34*z12) - 
   (s12*s24*z1)/(s123*s234*s34*z12) + (2*s12*s24*z1)/(s124*s234*s34*z12) - 
   (3*s13*s24*z1)/(4*s12*s234*s34*z12) - (2*s13*s24*z1)/(s123*s234*s34*z12) + 
   (2*s13*s24*z1)/(s124*s234*s34*z12) - (s13^2*s24*z1)/
    (s12*s123*s234*s34*z12) + (s14*s24*z1)/(4*s12*s234*s34*z12) - 
   (s14*s24*z1)/(s123*s234*s34*z12) + (4*s14*s24*z1)/(s124*s234*s34*z12) - 
   (s13*s14*s24*z1)/(s12*s123*s234*s34*z12) + (2*s13*s14*s24*z1)/
    (s12*s124*s234*s34*z12) + (2*s14^2*s24*z1)/(s12*s124*s234*s34*z12) - 
   (7*s23*s24*z1)/(4*s12*s234*s34*z12) - (2*s23*s24*z1)/(s123*s234*s34*z12) + 
   (2*s23*s24*z1)/(s124*s234*s34*z12) - (2*s13*s23*s24*z1)/
    (s12*s123*s234*s34*z12) - (s14*s23*s24*z1)/(s12*s123*s234*s34*z12) + 
   (2*s14*s23*s24*z1)/(s12*s124*s234*s34*z12) - 
   (s23^2*s24*z1)/(s12*s123*s234*s34*z12) + (2*s24^2*z1)/(s12*s124*s34*z12) + 
   (s13*s24^2*z1)/(2*s12^2*s123*s34*z12) + 
   (s13*s24^2*z1)/(2*s12^2*s124*s34*z12) - (s24^2*z1)/(2*s12*s134*s34*z12) + 
   (4*s14*s24^2*z1)/(s12^2*s124*s34*z12) - 
   (s14*s24^2*z1)/(s12*s124*s134*s34*z12) + 
   (s23*s24^2*z1)/(s12^2*s123*s34*z12) + (s23*s24^2*z1)/
    (s12^2*s124*s34*z12) + (s24^2*z1)/(2*s12*s234*s34*z12) - 
   (s24^2*z1)/(s123*s234*s34*z12) + (4*s24^2*z1)/(s124*s234*s34*z12) - 
   (s13*s24^2*z1)/(s12*s123*s234*s34*z12) + (2*s13*s24^2*z1)/
    (s12*s124*s234*s34*z12) + (4*s14*s24^2*z1)/(s12*s124*s234*s34*z12) - 
   (s23*s24^2*z1)/(s12*s123*s234*s34*z12) + (2*s23*s24^2*z1)/
    (s12*s124*s234*s34*z12) + (s24^3*z1)/(s12^2*s124*s34*z12) + 
   (2*s24^3*z1)/(s12*s124*s234*s34*z12) - (s13*s34*z1)/(2*s12^2*s123*z12) - 
   (s34*z1)/(s123*s134*z12) + (s34*z1)/(2*s124*s134*z12) - 
   (s13*s34*z1)/(s12*s123*s134*z12) - (s14*s34*z1)/(2*s12^2*s124*z12) + 
   (s14*s34*z1)/(s12*s123*s124*z12) + (s13*s14*s34*z1)/
    (s12^2*s123*s124*z12) + (s14*s34*z1)/(2*s12*s124*s134*z12) - 
   (s23*s34*z1)/(s12^2*s123*z12) - (s23*s34*z1)/(s12*s123*s134*z12) + 
   (s14*s23*s34*z1)/(s12^2*s123*s124*z12) + (s34*z1)/(2*s123*s234*z12) - 
   (s34*z1)/(s124*s234*z12) + (s13*s34*z1)/(2*s12*s123*s234*z12) - 
   (s14*s34*z1)/(s12*s124*s234*z12) + (s23*s34*z1)/(2*s12*s123*s234*z12) - 
   (s24*s34*z1)/(s12^2*s124*z12) + (s24*s34*z1)/(2*s12*s124*s134*z12) - 
   (s24*s34*z1)/(s12*s124*s234*z12) + (z1*z2)/(s123*z12^2) + 
   (z1*z2)/(s124*z12^2) + (2*s13*z1*z2)/(s12^2*z12^2) + 
   (2*s13*z1*z2)/(s12*s123*z12^2) + (s13*z1*z2)/(s12*s124*z12^2) + 
   (s13^2*z1*z2)/(s12^2*s123*z12^2) + (2*s14*z1*z2)/(s12^2*z12^2) + 
   (s14*z1*z2)/(s12*s124*z12^2) + (s13*s14*z1*z2)/(s12^2*s124*z12^2) + 
   (2*s23*z1*z2)/(s12^2*z12^2) + (2*s23*z1*z2)/(s12*s123*z12^2) + 
   (s23*z1*z2)/(s12*s124*z12^2) + (2*s13*s23*z1*z2)/(s12^2*s123*z12^2) + 
   (s14*s23*z1*z2)/(s12^2*s124*z12^2) + (s23^2*z1*z2)/(s12^2*s123*z12^2) + 
   (2*s24*z1*z2)/(s12^2*z12^2) + (s24*z1*z2)/(s12*s124*z12^2) + 
   (s13*s24*z1*z2)/(s12^2*s124*z12^2) + (s23*s24*z1*z2)/(s12^2*s124*z12^2) - 
   (2*s14*z1*z2)/(s34^2*z12^2) - (2*s13*s14*z1*z2)/(s12*s34^2*z12^2) - 
   (4*s14^2*z1*z2)/(s12*s34^2*z12^2) - (2*s13*s14^2*z1*z2)/
    (s12^2*s34^2*z12^2) - (2*s14^3*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*s14*s23*z1*z2)/(s12*s34^2*z12^2) - (2*s14^2*s23*z1*z2)/
    (s12^2*s34^2*z12^2) - (2*s24*z1*z2)/(s34^2*z12^2) - 
   (2*s13*s24*z1*z2)/(s12*s34^2*z12^2) - (8*s14*s24*z1*z2)/
    (s12*s34^2*z12^2) - (4*s13*s14*s24*z1*z2)/(s12^2*s34^2*z12^2) - 
   (6*s14^2*s24*z1*z2)/(s12^2*s34^2*z12^2) - (2*s23*s24*z1*z2)/
    (s12*s34^2*z12^2) - (4*s14*s23*s24*z1*z2)/(s12^2*s34^2*z12^2) - 
   (4*s24^2*z1*z2)/(s12*s34^2*z12^2) - (2*s13*s24^2*z1*z2)/
    (s12^2*s34^2*z12^2) - (6*s14*s24^2*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*s23*s24^2*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*s24^3*z1*z2)/(s12^2*s34^2*z12^2) + (2*s13*z1*z2)/(s12*s34*z12^2) + 
   (2*s13^2*z1*z2)/(s12^2*s34*z12^2) - (s14*z1*z2)/(s123*s34*z12^2) - 
   (s14*z1*z2)/(s124*s34*z12^2) + (4*s13*s14*z1*z2)/(s12^2*s34*z12^2) - 
   (2*s13*s14*z1*z2)/(s12*s123*s34*z12^2) - (s13*s14*z1*z2)/
    (s12*s124*s34*z12^2) - (s13^2*s14*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s14^2*z1*z2)/(s12*s123*s34*z12^2) - (2*s14^2*z1*z2)/
    (s12*s124*s34*z12^2) - (s13*s14^2*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s13*s14^2*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (s14^3*z1*z2)/(s12^2*s124*s34*z12^2) + (2*s23*z1*z2)/(s12*s34*z12^2) + 
   (4*s13*s23*z1*z2)/(s12^2*s34*z12^2) + (4*s14*s23*z1*z2)/
    (s12^2*s34*z12^2) - (2*s14*s23*z1*z2)/(s12*s123*s34*z12^2) - 
   (s14*s23*z1*z2)/(s12*s124*s34*z12^2) - (2*s13*s14*s23*z1*z2)/
    (s12^2*s123*s34*z12^2) - (s14^2*s23*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s14^2*s23*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (2*s23^2*z1*z2)/(s12^2*s34*z12^2) - (s14*s23^2*z1*z2)/
    (s12^2*s123*s34*z12^2) - (s24*z1*z2)/(s123*s34*z12^2) - 
   (s24*z1*z2)/(s124*s34*z12^2) + (4*s13*s24*z1*z2)/(s12^2*s34*z12^2) - 
   (2*s13*s24*z1*z2)/(s12*s123*s34*z12^2) - (s13*s24*z1*z2)/
    (s12*s124*s34*z12^2) - (s13^2*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s14*s24*z1*z2)/(s12*s123*s34*z12^2) - (4*s14*s24*z1*z2)/
    (s12*s124*s34*z12^2) - (2*s13*s14*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s13*s14*s24*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (3*s14^2*s24*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (4*s23*s24*z1*z2)/(s12^2*s34*z12^2) - (2*s23*s24*z1*z2)/
    (s12*s123*s34*z12^2) - (s23*s24*z1*z2)/(s12*s124*s34*z12^2) - 
   (2*s13*s23*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s14*s23*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s14*s23*s24*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (s23^2*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s24^2*z1*z2)/(s12*s123*s34*z12^2) - (2*s24^2*z1*z2)/
    (s12*s124*s34*z12^2) - (s13*s24^2*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s13*s24^2*z1*z2)/(s12^2*s124*s34*z12^2) - (3*s14*s24^2*z1*z2)/
    (s12^2*s124*s34*z12^2) - (s23*s24^2*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s23*s24^2*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (s24^3*z1*z2)/(s12^2*s124*s34*z12^2) + (s34*z1*z2)/(s12*s123*z12^2) + 
   (s34*z1*z2)/(s12*s124*z12^2) + (s13*s34*z1*z2)/(s12^2*s123*z12^2) + 
   (s14*s34*z1*z2)/(s12^2*s124*z12^2) + (s23*s34*z1*z2)/(s12^2*s123*z12^2) + 
   (s24*s34*z1*z2)/(s12^2*s124*z12^2) - (s13*z2)/(s12^2*z12) - 
   (s13*z2)/(2*s12*s123*z12) - (s13^2*z2)/(2*s12^2*s123*z12) - 
   (s13*z2)/(2*s12*s134*z12) - (s14*z2)/(s12^2*z12) - 
   (s14*z2)/(s12*s123*z12) - (3*s14*z2)/(2*s12*s124*z12) - 
   (s14*z2)/(s123*s124*z12) - (s13*s14*z2)/(s12^2*s124*z12) - 
   (2*s13*s14*z2)/(s12*s123*s124*z12) - (s13^2*s14*z2)/
    (s12^2*s123*s124*z12) - (s14*z2)/(2*s12*s134*z12) - 
   (3*s14^2*z2)/(2*s12^2*s124*z12) - (s14^2*z2)/(s12*s123*s124*z12) - 
   (s13*s14^2*z2)/(s12^2*s123*s124*z12) - (s13*s23*z2)/(2*s12^2*s123*z12) - 
   (3*s14*s23*z2)/(2*s12^2*s124*z12) - (2*s14*s23*z2)/(s12*s123*s124*z12) - 
   (2*s13*s14*s23*z2)/(s12^2*s123*s124*z12) - 
   (s14^2*s23*z2)/(s12^2*s123*s124*z12) - (s14*s23^2*z2)/
    (s12^2*s123*s124*z12) + (s13*s24*z2)/(2*s12^2*s124*z12) - 
   (3*s14*s24*z2)/(2*s12^2*s124*z12) - (s14*s24*z2)/(s12*s123*s124*z12) - 
   (s13*s14*s24*z2)/(s12^2*s123*s124*z12) - (s14*s23*s24*z2)/
    (s12^2*s123*s124*z12) - (s14*z2)/(s34^2*z12) - 
   (s13*s14*z2)/(s12*s34^2*z12) - (s13*s14*z2)/(4*s134*s34^2*z12) - 
   (s13^2*s14*z2)/(4*s12*s134*s34^2*z12) - (s14^2*z2)/(s12*s34^2*z12) + 
   (s14^2*z2)/(4*s134*s34^2*z12) + (s14^3*z2)/(4*s12*s134*s34^2*z12) - 
   (2*s14*s23*z2)/(s12*s34^2*z12) - (s13*s14*s23*z2)/(s12^2*s34^2*z12) - 
   (s14*s23*z2)/(4*s134*s34^2*z12) - (s13*s14*s23*z2)/
    (2*s12*s134*s34^2*z12) - (s14^2*s23*z2)/(s12^2*s34^2*z12) - 
   (s14*s23^2*z2)/(s12^2*s34^2*z12) - (s14*s23^2*z2)/(4*s12*s134*s34^2*z12) - 
   (s13*s14*z2)/(4*s234*s34^2*z12) - (s13^2*s14*z2)/(4*s12*s234*s34^2*z12) + 
   (s14^2*z2)/(4*s234*s34^2*z12) + (s14^3*z2)/(4*s12*s234*s34^2*z12) - 
   (s14*s23*z2)/(4*s234*s34^2*z12) - (s13*s14*s23*z2)/
    (2*s12*s234*s34^2*z12) - (s14*s23^2*z2)/(4*s12*s234*s34^2*z12) + 
   (s13*s24*z2)/(s12*s34^2*z12) + (s13^2*s24*z2)/(s12^2*s34^2*z12) - 
   (s14*s24*z2)/(s12*s34^2*z12) + (s13*s14*s24*z2)/(s12^2*s34^2*z12) + 
   (s14*s24*z2)/(4*s134*s34^2*z12) + (s14^2*s24*z2)/(2*s12*s134*s34^2*z12) + 
   (s13*s23*s24*z2)/(s12^2*s34^2*z12) - (s14*s23*s24*z2)/(s12^2*s34^2*z12) + 
   (s14*s24*z2)/(4*s234*s34^2*z12) + (s14^2*s24*z2)/(2*s12*s234*s34^2*z12) + 
   (s13*s24^2*z2)/(s12^2*s34^2*z12) + (s14*s24^2*z2)/(4*s12*s134*s34^2*z12) + 
   (s14*s24^2*z2)/(4*s12*s234*s34^2*z12) - (s13*z2)/(s12*s34*z12) - 
   (s13^2*z2)/(s12^2*s34*z12) - (s13*z2)/(2*s134*s34*z12) - 
   (s13^2*z2)/(2*s12*s134*s34*z12) - (2*s14*z2)/(s12*s34*z12) - 
   (s14*z2)/(s123*s34*z12) - (s14*z2)/(s124*s34*z12) - 
   (2*s13*s14*z2)/(s12^2*s34*z12) - (s13*s14*z2)/(2*s12*s123*s34*z12) - 
   (3*s13*s14*z2)/(2*s12*s124*s34*z12) + (s13^2*s14*z2)/
    (2*s12^2*s123*s34*z12) - (s13^2*s14*z2)/(2*s12^2*s124*s34*z12) - 
   (s14*z2)/(2*s134*s34*z12) - (5*s13*s14*z2)/(4*s12*s134*s34*z12) - 
   (s14^2*z2)/(s12^2*s34*z12) - (s14^2*z2)/(s12*s123*s34*z12) - 
   (2*s14^2*z2)/(s12*s124*s34*z12) + (s13*s14^2*z2)/(2*s12^2*s123*s34*z12) - 
   (3*s13*s14^2*z2)/(2*s12^2*s124*s34*z12) - 
   (s14^2*z2)/(4*s12*s134*s34*z12) - (s14^3*z2)/(s12^2*s124*s34*z12) - 
   (s13*s23*z2)/(s12^2*s34*z12) - (s13*s23*z2)/(2*s12*s134*s34*z12) - 
   (2*s14*s23*z2)/(s12^2*s34*z12) - (s14*s23*z2)/(s12*s123*s34*z12) - 
   (2*s14*s23*z2)/(s12*s124*s34*z12) + (s13*s14*s23*z2)/
    (2*s12^2*s123*s34*z12) - (3*s13*s14*s23*z2)/(2*s12^2*s124*s34*z12) - 
   (3*s14*s23*z2)/(4*s12*s134*s34*z12) - (2*s14^2*s23*z2)/
    (s12^2*s124*s34*z12) - (s14*s23^2*z2)/(s12^2*s124*s34*z12) - 
   (s13*s14*z2)/(4*s12*s234*s34*z12) + (s14^2*z2)/(4*s12*s234*s34*z12) - 
   (s14*s23*z2)/(4*s12*s234*s34*z12) + (s13*s24*z2)/(2*s12*s123*s34*z12) + 
   (s13*s24*z2)/(2*s12*s124*s34*z12) + (s13^2*s24*z2)/
    (2*s12^2*s123*s34*z12) + (s13^2*s24*z2)/(2*s12^2*s124*s34*z12) - 
   (s13*s24*z2)/(2*s12*s134*s34*z12) - (s14*s24*z2)/(s12^2*s34*z12) - 
   (s14*s24*z2)/(s12*s123*s34*z12) - (2*s14*s24*z2)/(s12*s124*s34*z12) + 
   (s13*s14*s24*z2)/(s12^2*s123*s34*z12) - (s13*s14*s24*z2)/
    (s12^2*s124*s34*z12) - (s14*s24*z2)/(4*s12*s134*s34*z12) - 
   (2*s14^2*s24*z2)/(s12^2*s124*s34*z12) + (s13*s23*s24*z2)/
    (2*s12^2*s123*s34*z12) + (s13*s23*s24*z2)/(2*s12^2*s124*s34*z12) - 
   (2*s14*s23*s24*z2)/(s12^2*s124*s34*z12) + 
   (s14*s24*z2)/(4*s12*s234*s34*z12) + (s13*s24^2*z2)/
    (2*s12^2*s123*s34*z12) + (s13*s24^2*z2)/(2*s12^2*s124*s34*z12) - 
   (s14*s24^2*z2)/(s12^2*s124*s34*z12) - (s13*s34*z2)/(2*s12^2*s123*z12) - 
   (s14*s34*z2)/(2*s12^2*s124*z12) - (s14*s34*z2)/(s12*s123*s124*z12) - 
   (s13*s14*s34*z2)/(s12^2*s123*s124*z12) - (s14*s23*s34*z2)/
    (s12^2*s123*s124*z12) + z3/(s12*z12) + z3/(2*s123*z12) + 
   (s13*z3)/(2*s12*s123*z12) + z3/(2*s134*z12) - (s14*z3)/(2*s12*s124*z12) + 
   (s14*z3)/(s123*s134*z12) - (s14*z3)/(2*s124*s134*z12) + 
   (s13*s14*z3)/(s12*s123*s134*z12) - (s14^2*z3)/(2*s12*s124*s134*z12) + 
   (s23*z3)/(2*s12*s123*z12) + (s14*s23*z3)/(s12*s123*s134*z12) + 
   (s14*z3)/(2*s123*s234*z12) - (s14*z3)/(s124*s234*z12) + 
   (s13*s14*z3)/(2*s12*s123*s234*z12) - (s14^2*z3)/(s12*s124*s234*z12) + 
   (s14*s23*z3)/(2*s12*s123*s234*z12) - (s24*z3)/(2*s12*s124*z12) - 
   (s14*s24*z3)/(2*s12*s124*s134*z12) - (s14*s24*z3)/(s12*s124*s234*z12) - 
   (s14*z3)/(s34^2*z12) - (s13*s14*z3)/(s12*s34^2*z12) + 
   (s12*s14*z3)/(2*s134*s34^2*z12) + (3*s13*s14*z3)/(4*s134*s34^2*z12) + 
   (s13^2*s14*z3)/(4*s12*s134*s34^2*z12) - (s14^2*z3)/(s12*s34^2*z12) + 
   (5*s14^2*z3)/(4*s134*s34^2*z12) + (s13*s14^2*z3)/(s12*s134*s34^2*z12) + 
   (3*s14^3*z3)/(4*s12*s134*s34^2*z12) - (s14*s23*z3)/(s12*s34^2*z12) + 
   (3*s14*s23*z3)/(4*s134*s34^2*z12) + (s13*s14*s23*z3)/
    (2*s12*s134*s34^2*z12) + (s14^2*s23*z3)/(s12*s134*s34^2*z12) + 
   (s14*s23^2*z3)/(4*s12*s134*s34^2*z12) - (s12*s14*z3)/(2*s234*s34^2*z12) - 
   (3*s13*s14*z3)/(4*s234*s34^2*z12) - (s13^2*s14*z3)/
    (4*s12*s234*s34^2*z12) - (5*s14^2*z3)/(4*s234*s34^2*z12) - 
   (s13*s14^2*z3)/(s12*s234*s34^2*z12) - 
   (3*s14^3*z3)/(4*s12*s234*s34^2*z12) - (3*s14*s23*z3)/(4*s234*s34^2*z12) - 
   (s13*s14*s23*z3)/(2*s12*s234*s34^2*z12) - 
   (s14^2*s23*z3)/(s12*s234*s34^2*z12) - (s14*s23^2*z3)/
    (4*s12*s234*s34^2*z12) - (s24*z3)/(s34^2*z12) - 
   (s13*s24*z3)/(s12*s34^2*z12) - (2*s14*s24*z3)/(s12*s34^2*z12) + 
   (5*s14*s24*z3)/(4*s134*s34^2*z12) + (s13*s14*s24*z3)/
    (s12*s134*s34^2*z12) + (3*s14^2*s24*z3)/(2*s12*s134*s34^2*z12) - 
   (s23*s24*z3)/(s12*s34^2*z12) + (s14*s23*s24*z3)/(s12*s134*s34^2*z12) - 
   (5*s14*s24*z3)/(4*s234*s34^2*z12) - (s13*s14*s24*z3)/
    (s12*s234*s34^2*z12) - (3*s14^2*s24*z3)/(2*s12*s234*s34^2*z12) - 
   (s14*s23*s24*z3)/(s12*s234*s34^2*z12) - (s24^2*z3)/(s12*s34^2*z12) + 
   (3*s14*s24^2*z3)/(4*s12*s134*s34^2*z12) - (3*s14*s24^2*z3)/
    (4*s12*s234*s34^2*z12) + z3/(s34*z12) + (s13*z3)/(s12*s34*z12) + 
   (s12*z3)/(2*s134*s34*z12) + (s13*z3)/(2*s134*s34*z12) - 
   (s14*z3)/(2*s123*s34*z12) - (s14*z3)/(2*s124*s34*z12) - 
   (s13*s14*z3)/(2*s12*s123*s34*z12) - (s13*s14*z3)/(2*s12*s124*s34*z12) + 
   (s14*z3)/(s134*s34*z12) + (s12*s14*z3)/(s123*s134*s34*z12) - 
   (s12*s14*z3)/(2*s124*s134*s34*z12) + (s13*s14*z3)/(4*s12*s134*s34*z12) + 
   (2*s13*s14*z3)/(s123*s134*s34*z12) - (s13*s14*z3)/(2*s124*s134*s34*z12) + 
   (s13^2*s14*z3)/(s12*s123*s134*s34*z12) - (s14^2*z3)/(2*s12*s123*s34*z12) - 
   (s14^2*z3)/(2*s12*s124*s34*z12) + (3*s14^2*z3)/(4*s12*s134*s34*z12) + 
   (s14^2*z3)/(s123*s134*s34*z12) - (s14^2*z3)/(s124*s134*s34*z12) + 
   (s13*s14^2*z3)/(s12*s123*s134*s34*z12) - 
   (s13*s14^2*z3)/(2*s12*s124*s134*s34*z12) - 
   (s14^3*z3)/(2*s12*s124*s134*s34*z12) + (s23*z3)/(s12*s34*z12) + 
   (s23*z3)/(2*s134*s34*z12) - (s14*s23*z3)/(2*s12*s123*s34*z12) - 
   (s14*s23*z3)/(2*s12*s124*s34*z12) + (s14*s23*z3)/(4*s12*s134*s34*z12) + 
   (2*s14*s23*z3)/(s123*s134*s34*z12) - (s14*s23*z3)/(2*s124*s134*s34*z12) + 
   (2*s13*s14*s23*z3)/(s12*s123*s134*s34*z12) + 
   (s14^2*s23*z3)/(s12*s123*s134*s34*z12) - 
   (s14^2*s23*z3)/(2*s12*s124*s134*s34*z12) + 
   (s14*s23^2*z3)/(s12*s123*s134*s34*z12) - (s14*z3)/(2*s234*s34*z12) + 
   (s12*s14*z3)/(2*s123*s234*s34*z12) - (s12*s14*z3)/(s124*s234*s34*z12) - 
   (s13*s14*z3)/(4*s12*s234*s34*z12) + (s13*s14*z3)/(s123*s234*s34*z12) - 
   (s13*s14*z3)/(s124*s234*s34*z12) + (s13^2*s14*z3)/
    (2*s12*s123*s234*s34*z12) - (3*s14^2*z3)/(4*s12*s234*s34*z12) + 
   (s14^2*z3)/(2*s123*s234*s34*z12) - (2*s14^2*z3)/(s124*s234*s34*z12) + 
   (s13*s14^2*z3)/(2*s12*s123*s234*s34*z12) - 
   (s13*s14^2*z3)/(s12*s124*s234*s34*z12) - 
   (s14^3*z3)/(s12*s124*s234*s34*z12) - (s14*s23*z3)/(4*s12*s234*s34*z12) + 
   (s14*s23*z3)/(s123*s234*s34*z12) - (s14*s23*z3)/(s124*s234*s34*z12) + 
   (s13*s14*s23*z3)/(s12*s123*s234*s34*z12) + 
   (s14^2*s23*z3)/(2*s12*s123*s234*s34*z12) - 
   (s14^2*s23*z3)/(s12*s124*s234*s34*z12) + 
   (s14*s23^2*z3)/(2*s12*s123*s234*s34*z12) - (s24*z3)/(2*s123*s34*z12) - 
   (s24*z3)/(2*s124*s34*z12) - (s13*s24*z3)/(2*s12*s123*s34*z12) - 
   (s13*s24*z3)/(2*s12*s124*s34*z12) + (s24*z3)/(2*s134*s34*z12) - 
   (s14*s24*z3)/(s12*s123*s34*z12) - (s14*s24*z3)/(s12*s124*s34*z12) + 
   (3*s14*s24*z3)/(4*s12*s134*s34*z12) + (s14*s24*z3)/(s123*s134*s34*z12) - 
   (s14*s24*z3)/(s124*s134*s34*z12) + (s13*s14*s24*z3)/
    (s12*s123*s134*s34*z12) - (s13*s14*s24*z3)/(2*s12*s124*s134*s34*z12) - 
   (s14^2*s24*z3)/(s12*s124*s134*s34*z12) - 
   (s23*s24*z3)/(2*s12*s123*s34*z12) - (s23*s24*z3)/(2*s12*s124*s34*z12) + 
   (s14*s23*s24*z3)/(s12*s123*s134*s34*z12) - 
   (s14*s23*s24*z3)/(2*s12*s124*s134*s34*z12) - 
   (3*s14*s24*z3)/(4*s12*s234*s34*z12) + (s14*s24*z3)/(2*s123*s234*s34*z12) - 
   (2*s14*s24*z3)/(s124*s234*s34*z12) + (s13*s14*s24*z3)/
    (2*s12*s123*s234*s34*z12) - (s13*s14*s24*z3)/(s12*s124*s234*s34*z12) - 
   (2*s14^2*s24*z3)/(s12*s124*s234*s34*z12) + 
   (s14*s23*s24*z3)/(2*s12*s123*s234*s34*z12) - 
   (s14*s23*s24*z3)/(s12*s124*s234*s34*z12) - 
   (s24^2*z3)/(2*s12*s123*s34*z12) - (s24^2*z3)/(2*s12*s124*s34*z12) - 
   (s14*s24^2*z3)/(2*s12*s124*s134*s34*z12) - 
   (s14*s24^2*z3)/(s12*s124*s234*s34*z12) + (s34*z3)/(2*s12*s123*z12) + 
   (2*z1)/(s12*z34) + z1/(2*s124*z34) + (s13*z1)/(s12^2*z34) - 
   (s13*z1)/(4*s12*s123*z34) + (s13*z1)/(4*s12*s124*z34) - 
   (s13^2*z1)/(4*s12^2*s123*z34) - (s13^2*z1)/(4*s12^2*s124*z34) + 
   (3*z1)/(2*s134*z34) + (2*s13*z1)/(s12*s134*z34) + (s14*z1)/(s12^2*z34) - 
   (s14*z1)/(4*s12*s123*z34) + (s14*z1)/(4*s12*s124*z34) - 
   (s13*s14*z1)/(2*s12^2*s123*z34) - (s13*s14*z1)/(2*s12^2*s124*z34) + 
   (2*s14*z1)/(s12*s134*z34) - (s14^2*z1)/(4*s12^2*s123*z34) - 
   (s14^2*z1)/(4*s12^2*s124*z34) + (2*s23*z1)/(s12^2*z34) + 
   (s23*z1)/(4*s12*s123*z34) + (3*s23*z1)/(4*s12*s124*z34) + 
   (2*s23*z1)/(s12*s134*z34) + (s23^2*z1)/(4*s12^2*s123*z34) + 
   (s23^2*z1)/(4*s12^2*s124*z34) + z1/(s234*z34) + (s13*z1)/(s12*s234*z34) + 
   (s12*z1)/(s134*s234*z34) + (s13*z1)/(s134*s234*z34) + 
   (s14*z1)/(s12*s234*z34) + (s14*z1)/(s134*s234*z34) + 
   (s23*z1)/(s12*s234*z34) + (2*s23*z1)/(s134*s234*z34) + 
   (2*s24*z1)/(s12^2*z34) + (3*s24*z1)/(4*s12*s123*z34) + 
   (s24*z1)/(4*s12*s124*z34) + (5*s13*s24*z1)/(4*s12^2*s123*z34) - 
   (5*s13*s24*z1)/(4*s12^2*s124*z34) + (2*s24*z1)/(s12*s134*z34) + 
   (s24*z1)/(s123*s134*z34) + (s24*z1)/(2*s124*s134*z34) + 
   (2*s13*s24*z1)/(s12*s123*s134*z34) + (s13*s24*z1)/(s12*s124*s134*z34) + 
   (5*s14*s24*z1)/(4*s12^2*s123*z34) - (5*s14*s24*z1)/(4*s12^2*s124*z34) + 
   (2*s14*s24*z1)/(s12*s123*s134*z34) + (s14*s24*z1)/(s12*s124*s134*z34) + 
   (5*s23*s24*z1)/(4*s12^2*s123*z34) - (s23*s24*z1)/(4*s12^2*s124*z34) + 
   (s23*s24*z1)/(s12*s123*s134*z34) + (s23*s24*z1)/(2*s12*s124*s134*z34) + 
   (s24*z1)/(s12*s234*z34) - (s24*z1)/(2*s123*s234*z34) - 
   (s24*z1)/(s124*s234*z34) - (s13*s24*z1)/(2*s12*s123*s234*z34) - 
   (s13*s24*z1)/(s12*s124*s234*z34) + (2*s24*z1)/(s134*s234*z34) - 
   (s14*s24*z1)/(2*s12*s123*s234*z34) - (s14*s24*z1)/(s12*s124*s234*z34) - 
   (s23*s24*z1)/(s12*s123*s234*z34) - (2*s23*s24*z1)/(s12*s124*s234*z34) + 
   (s24^2*z1)/(s12^2*s123*z34) - (s24^2*z1)/(2*s12^2*s124*z34) + 
   (s24^2*z1)/(s12*s123*s134*z34) + (s24^2*z1)/(2*s12*s124*s134*z34) - 
   (s24^2*z1)/(s12*s123*s234*z34) - (2*s24^2*z1)/(s12*s124*s234*z34) + 
   z1/(s34*z34) + (s13*z1)/(s12*s34*z34) + (s12*z1)/(2*s134*s34*z34) + 
   (3*s13*z1)/(2*s134*s34*z34) + (s13^2*z1)/(s12*s134*s34*z34) + 
   (s14*z1)/(s12*s34*z34) + (3*s14*z1)/(2*s134*s34*z34) + 
   (2*s13*s14*z1)/(s12*s134*s34*z34) + (s14^2*z1)/(s12*s134*s34*z34) + 
   (2*s23*z1)/(s12*s34*z34) + (s13*s23*z1)/(s12^2*s34*z34) + 
   (3*s23*z1)/(2*s134*s34*z34) + (2*s13*s23*z1)/(s12*s134*s34*z34) + 
   (s14*s23*z1)/(s12^2*s34*z34) + (2*s14*s23*z1)/(s12*s134*s34*z34) + 
   (s23^2*z1)/(s12^2*s34*z34) + (s23^2*z1)/(s12*s134*s34*z34) + 
   (s12*s23*z1)/(s134*s234*s34*z34) + (s13*s23*z1)/(s134*s234*s34*z34) + 
   (s14*s23*z1)/(s134*s234*s34*z34) + (s23^2*z1)/(s134*s234*s34*z34) + 
   (2*s24*z1)/(s12*s34*z34) + (s13*s24*z1)/(s12^2*s34*z34) + 
   (3*s13*s24*z1)/(4*s12*s123*s34*z34) - (3*s13*s24*z1)/
    (4*s12*s124*s34*z34) + (3*s13^2*s24*z1)/(4*s12^2*s123*s34*z34) - 
   (3*s13^2*s24*z1)/(4*s12^2*s124*s34*z34) + (3*s24*z1)/(2*s134*s34*z34) + 
   (2*s13*s24*z1)/(s12*s134*s34*z34) + (s13*s24*z1)/(s123*s134*s34*z34) + 
   (s13*s24*z1)/(2*s124*s134*s34*z34) + (s13^2*s24*z1)/
    (s12*s123*s134*s34*z34) + (s13^2*s24*z1)/(2*s12*s124*s134*s34*z34) + 
   (s14*s24*z1)/(s12^2*s34*z34) + (3*s14*s24*z1)/(4*s12*s123*s34*z34) - 
   (3*s14*s24*z1)/(4*s12*s124*s34*z34) + (3*s13*s14*s24*z1)/
    (2*s12^2*s123*s34*z34) - (3*s13*s14*s24*z1)/(2*s12^2*s124*s34*z34) + 
   (2*s14*s24*z1)/(s12*s134*s34*z34) + (s14*s24*z1)/(s123*s134*s34*z34) + 
   (s14*s24*z1)/(2*s124*s134*s34*z34) + (2*s13*s14*s24*z1)/
    (s12*s123*s134*s34*z34) + (s13*s14*s24*z1)/(s12*s124*s134*s34*z34) + 
   (3*s14^2*s24*z1)/(4*s12^2*s123*s34*z34) - (3*s14^2*s24*z1)/
    (4*s12^2*s124*s34*z34) + (s14^2*s24*z1)/(s12*s123*s134*s34*z34) + 
   (s14^2*s24*z1)/(2*s12*s124*s134*s34*z34) + 
   (2*s23*s24*z1)/(s12^2*s34*z34) + (s23*s24*z1)/(4*s12*s123*s34*z34) - 
   (s23*s24*z1)/(4*s12*s124*s34*z34) + (s13*s23*s24*z1)/
    (s12^2*s123*s34*z34) - (s13*s23*s24*z1)/(s12^2*s124*s34*z34) + 
   (2*s23*s24*z1)/(s12*s134*s34*z34) + (s13*s23*s24*z1)/
    (s12*s123*s134*s34*z34) + (s13*s23*s24*z1)/(2*s12*s124*s134*s34*z34) + 
   (s14*s23*s24*z1)/(s12^2*s123*s34*z34) - (s14*s23*s24*z1)/
    (s12^2*s124*s34*z34) + (s14*s23*s24*z1)/(s12*s123*s134*s34*z34) + 
   (s14*s23*s24*z1)/(2*s12*s124*s134*s34*z34) + 
   (s23^2*s24*z1)/(4*s12^2*s123*s34*z34) - 
   (s23^2*s24*z1)/(4*s12^2*s124*s34*z34) + (s12*s24*z1)/(s134*s234*s34*z34) + 
   (s13*s24*z1)/(s134*s234*s34*z34) + (s14*s24*z1)/(s134*s234*s34*z34) - 
   (s23*s24*z1)/(2*s123*s234*s34*z34) - (s23*s24*z1)/(s124*s234*s34*z34) - 
   (s13*s23*s24*z1)/(2*s12*s123*s234*s34*z34) - 
   (s13*s23*s24*z1)/(s12*s124*s234*s34*z34) + 
   (2*s23*s24*z1)/(s134*s234*s34*z34) - (s14*s23*s24*z1)/
    (2*s12*s123*s234*s34*z34) - (s14*s23*s24*z1)/(s12*s124*s234*s34*z34) - 
   (s23^2*s24*z1)/(2*s12*s123*s234*s34*z34) - 
   (s23^2*s24*z1)/(s12*s124*s234*s34*z34) + (s24^2*z1)/(s12^2*s34*z34) + 
   (s24^2*z1)/(4*s12*s123*s34*z34) - (s24^2*z1)/(4*s12*s124*s34*z34) + 
   (s13*s24^2*z1)/(s12^2*s123*s34*z34) - (s13*s24^2*z1)/
    (s12^2*s124*s34*z34) + (s24^2*z1)/(s12*s134*s34*z34) + 
   (s13*s24^2*z1)/(s12*s123*s134*s34*z34) + 
   (s13*s24^2*z1)/(2*s12*s124*s134*s34*z34) + 
   (s14*s24^2*z1)/(s12^2*s123*s34*z34) - (s14*s24^2*z1)/
    (s12^2*s124*s34*z34) + (s14*s24^2*z1)/(s12*s123*s134*s34*z34) + 
   (s14*s24^2*z1)/(2*s12*s124*s134*s34*z34) + 
   (s23*s24^2*z1)/(2*s12^2*s123*s34*z34) - 
   (s23*s24^2*z1)/(2*s12^2*s124*s34*z34) - (s24^2*z1)/(2*s123*s234*s34*z34) - 
   (s24^2*z1)/(s124*s234*s34*z34) - (s13*s24^2*z1)/
    (2*s12*s123*s234*s34*z34) - (s13*s24^2*z1)/(s12*s124*s234*s34*z34) + 
   (s24^2*z1)/(s134*s234*s34*z34) - (s14*s24^2*z1)/
    (2*s12*s123*s234*s34*z34) - (s14*s24^2*z1)/(s12*s124*s234*s34*z34) - 
   (s23*s24^2*z1)/(s12*s123*s234*s34*z34) - (2*s23*s24^2*z1)/
    (s12*s124*s234*s34*z34) + (s24^3*z1)/(4*s12^2*s123*s34*z34) - 
   (s24^3*z1)/(4*s12^2*s124*s34*z34) - (s24^3*z1)/(2*s12*s123*s234*s34*z34) - 
   (s24^3*z1)/(s12*s124*s234*s34*z34) + (s34*z1)/(s12^2*z34) + 
   (s34*z1)/(2*s12*s124*z34) - (s13*s34*z1)/(4*s12^2*s123*z34) - 
   (s13*s34*z1)/(4*s12^2*s124*z34) + (s34*z1)/(s12*s134*z34) - 
   (s14*s34*z1)/(4*s12^2*s123*z34) - (s14*s34*z1)/(4*s12^2*s124*z34) + 
   (s23*s34*z1)/(4*s12^2*s123*z34) + (s23*s34*z1)/(4*s12^2*s124*z34) + 
   (s34*z1)/(s12*s234*z34) + (s34*z1)/(s134*s234*z34) + 
   (3*s24*s34*z1)/(4*s12^2*s123*z34) - (s24*s34*z1)/(4*s12^2*s124*z34) + 
   (s24*s34*z1)/(s12*s123*s134*z34) + (s24*s34*z1)/(2*s12*s124*s134*z34) - 
   (s24*s34*z1)/(2*s12*s123*s234*z34) - (s24*s34*z1)/(s12*s124*s234*z34) + 
   z1^2/(s12*z12*z34) + z1^2/(2*s123*z12*z34) + z1^2/(2*s124*z12*z34) - 
   (s13*z1^2)/(s12^2*z12*z34) + (3*s13*z1^2)/(4*s12*s123*z12*z34) + 
   (3*s13*z1^2)/(4*s12*s124*z12*z34) + (s13^2*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s13^2*z1^2)/(4*s12^2*s124*z12*z34) + z1^2/(2*s134*z12*z34) - 
   (s13*z1^2)/(2*s12*s134*z12*z34) - (s14*z1^2)/(s12^2*z12*z34) + 
   (3*s14*z1^2)/(4*s12*s123*z12*z34) + (3*s14*z1^2)/(4*s12*s124*z12*z34) + 
   (s13*s14*z1^2)/(2*s12^2*s123*z12*z34) + 
   (s13*s14*z1^2)/(2*s12^2*s124*z12*z34) - (s14*z1^2)/(2*s12*s134*z12*z34) + 
   (s14^2*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s14^2*z1^2)/(4*s12^2*s124*z12*z34) + (3*s23*z1^2)/(4*s12*s123*z12*z34) + 
   (3*s23*z1^2)/(4*s12*s124*z12*z34) + (s13*s23*z1^2)/
    (2*s12^2*s123*z12*z34) + (s13*s23*z1^2)/(2*s12^2*s124*z12*z34) + 
   (s14*s23*z1^2)/(2*s12^2*s123*z12*z34) + 
   (s14*s23*z1^2)/(2*s12^2*s124*z12*z34) + 
   (s23^2*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s23^2*z1^2)/(4*s12^2*s124*z12*z34) - z1^2/(2*s234*z12*z34) - 
   (s13*z1^2)/(2*s12*s234*z12*z34) - (s14*z1^2)/(2*s12*s234*z12*z34) - 
   (s23*z1^2)/(s12*s234*z12*z34) + (5*s24*z1^2)/(4*s12*s123*z12*z34) + 
   (s24*z1^2)/(4*s12*s124*z12*z34) + (5*s13*s24*z1^2)/
    (4*s12^2*s123*z12*z34) - (s13*s24*z1^2)/(4*s12^2*s124*z12*z34) + 
   (5*s14*s24*z1^2)/(4*s12^2*s123*z12*z34) - 
   (s14*s24*z1^2)/(4*s12^2*s124*z12*z34) + (5*s23*s24*z1^2)/
    (4*s12^2*s123*z12*z34) - (s23*s24*z1^2)/(4*s12^2*s124*z12*z34) - 
   (s24*z1^2)/(s12*s234*z12*z34) + (s24^2*z1^2)/(s12^2*s123*z12*z34) - 
   (s24^2*z1^2)/(2*s12^2*s124*z12*z34) + (2*z1^2)/(s34*z12*z34) + 
   (2*s13*z1^2)/(s12*s34*z12*z34) + (s12*z1^2)/(s134*s34*z12*z34) + 
   (s13*z1^2)/(s134*s34*z12*z34) + (2*s14*z1^2)/(s12*s34*z12*z34) + 
   (s14*z1^2)/(s134*s34*z12*z34) + (3*s23*z1^2)/(s12*s34*z12*z34) + 
   (s13*s23*z1^2)/(s12^2*s34*z12*z34) + (3*s23*z1^2)/(2*s134*s34*z12*z34) + 
   (s13*s23*z1^2)/(2*s12*s134*s34*z12*z34) + 
   (s14*s23*z1^2)/(s12^2*s34*z12*z34) + (s14*s23*z1^2)/
    (2*s12*s134*s34*z12*z34) + (s23^2*z1^2)/(s12^2*s34*z12*z34) + 
   (s23^2*z1^2)/(2*s12*s134*s34*z12*z34) - (s23*z1^2)/(2*s234*s34*z12*z34) - 
   (s13*s23*z1^2)/(2*s12*s234*s34*z12*z34) - 
   (s14*s23*z1^2)/(2*s12*s234*s34*z12*z34) - 
   (s23^2*z1^2)/(2*s12*s234*s34*z12*z34) + (3*s24*z1^2)/(s12*s34*z12*z34) + 
   (s13*s24*z1^2)/(s12^2*s34*z12*z34) + (s13*s24*z1^2)/
    (4*s12*s123*s34*z12*z34) - (s13*s24*z1^2)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z1^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (3*s24*z1^2)/(2*s134*s34*z12*z34) + (s13*s24*z1^2)/
    (2*s12*s134*s34*z12*z34) + (s14*s24*z1^2)/(s12^2*s34*z12*z34) + 
   (s14*s24*z1^2)/(4*s12*s123*s34*z12*z34) - 
   (s14*s24*z1^2)/(4*s12*s124*s34*z12*z34) + (s13*s14*s24*z1^2)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s14*s24*z1^2)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s24*z1^2)/(2*s12*s134*s34*z12*z34) + 
   (s14^2*s24*z1^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^2*s24*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (2*s23*s24*z1^2)/(s12^2*s34*z12*z34) + (s23*s24*z1^2)/
    (4*s12*s123*s34*z12*z34) - (s23*s24*z1^2)/(4*s12*s124*s34*z12*z34) + 
   (s13*s23*s24*z1^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s23*s24*z1^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s23*s24*z1^2)/(s12*s134*s34*z12*z34) + (s14*s23*s24*z1^2)/
    (2*s12^2*s123*s34*z12*z34) - (s14*s23*s24*z1^2)/
    (2*s12^2*s124*s34*z12*z34) + (s23^2*s24*z1^2)/
    (4*s12^2*s123*s34*z12*z34) - (s23^2*s24*z1^2)/
    (4*s12^2*s124*s34*z12*z34) - (s24*z1^2)/(2*s234*s34*z12*z34) - 
   (s13*s24*z1^2)/(2*s12*s234*s34*z12*z34) - 
   (s14*s24*z1^2)/(2*s12*s234*s34*z12*z34) - 
   (s23*s24*z1^2)/(s12*s234*s34*z12*z34) + (s24^2*z1^2)/(s12^2*s34*z12*z34) + 
   (s24^2*z1^2)/(4*s12*s123*s34*z12*z34) - 
   (s24^2*z1^2)/(4*s12*s124*s34*z12*z34) + (s13*s24^2*z1^2)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s24^2*z1^2)/
    (2*s12^2*s124*s34*z12*z34) + (s24^2*z1^2)/(2*s12*s134*s34*z12*z34) + 
   (s14*s24^2*z1^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s14*s24^2*z1^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s23*s24^2*z1^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s23*s24^2*z1^2)/(2*s12^2*s124*s34*z12*z34) - 
   (s24^2*z1^2)/(2*s12*s234*s34*z12*z34) + 
   (s24^3*z1^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s24^3*z1^2)/(4*s12^2*s124*s34*z12*z34) - (s34*z1^2)/(s12^2*z12*z34) + 
   (s34*z1^2)/(2*s12*s123*z12*z34) + (s34*z1^2)/(2*s12*s124*z12*z34) + 
   (s13*s34*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s13*s34*z1^2)/(4*s12^2*s124*z12*z34) - (s34*z1^2)/(2*s12*s134*z12*z34) + 
   (s14*s34*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s14*s34*z1^2)/(4*s12^2*s124*z12*z34) + 
   (s23*s34*z1^2)/(4*s12^2*s123*z12*z34) + 
   (s23*s34*z1^2)/(4*s12^2*s124*z12*z34) - (s34*z1^2)/(2*s12*s234*z12*z34) + 
   (3*s24*s34*z1^2)/(4*s12^2*s123*z12*z34) - 
   (s24*s34*z1^2)/(4*s12^2*s124*z12*z34) + z2/(s12*z34) + z2/(2*s124*z34) - 
   (s13*z2)/(s12^2*z34) + (s13*z2)/(2*s12*s124*z34) - 
   (s13*z2)/(2*s12*s134*z34) - (s14*z2)/(s12^2*z34) - 
   (s14*z2)/(2*s12*s123*z34) + (s14*z2)/(s12*s124*z34) - 
   (5*s13*s14*z2)/(4*s12^2*s123*z34) + (5*s13*s14*z2)/(4*s12^2*s124*z34) - 
   (s14*z2)/(2*s12*s134*z34) - (s14*z2)/(s123*s134*z34) - 
   (s14*z2)/(2*s124*s134*z34) - (2*s13*s14*z2)/(s12*s123*s134*z34) - 
   (s13*s14*z2)/(s12*s124*s134*z34) - (5*s14^2*z2)/(4*s12^2*s123*z34) + 
   (5*s14^2*z2)/(4*s12^2*s124*z34) - (2*s14^2*z2)/(s12*s123*s134*z34) - 
   (s14^2*z2)/(s12*s124*s134*z34) + (s23*z2)/(2*s12*s124*z34) - 
   (3*s14*s23*z2)/(4*s12^2*s123*z34) + (3*s14*s23*z2)/(4*s12^2*s124*z34) - 
   (s14*s23*z2)/(s12*s123*s134*z34) - (s14*s23*z2)/(2*s12*s124*s134*z34) + 
   z2/(2*s234*z34) - (s13*z2)/(2*s12*s234*z34) - (s14*z2)/(2*s12*s234*z34) + 
   (s14*z2)/(2*s123*s234*z34) + (s14*z2)/(s124*s234*z34) + 
   (s13*s14*z2)/(2*s12*s123*s234*z34) + (s13*s14*z2)/(s12*s124*s234*z34) + 
   (s14^2*z2)/(2*s12*s123*s234*z34) + (s14^2*z2)/(s12*s124*s234*z34) + 
   (s14*s23*z2)/(s12*s123*s234*z34) + (2*s14*s23*z2)/(s12*s124*s234*z34) + 
   (s24*z2)/(2*s12*s124*z34) - (3*s14*s24*z2)/(4*s12^2*s123*z34) + 
   (3*s14*s24*z2)/(4*s12^2*s124*z34) - (s14*s24*z2)/(s12*s123*s134*z34) - 
   (s14*s24*z2)/(2*s12*s124*s134*z34) + (s14*s24*z2)/(s12*s123*s234*z34) + 
   (2*s14*s24*z2)/(s12*s124*s234*z34) + z2/(s34*z34) - 
   (s13^2*z2)/(s12^2*s34*z34) - (s13*z2)/(2*s134*s34*z34) - 
   (s13^2*z2)/(2*s12*s134*s34*z34) - (2*s13*s14*z2)/(s12^2*s34*z34) - 
   (3*s13*s14*z2)/(4*s12*s123*s34*z34) + (3*s13*s14*z2)/
    (4*s12*s124*s34*z34) - (3*s13^2*s14*z2)/(4*s12^2*s123*s34*z34) + 
   (3*s13^2*s14*z2)/(4*s12^2*s124*s34*z34) - (s14*z2)/(2*s134*s34*z34) - 
   (s13*s14*z2)/(s12*s134*s34*z34) - (s13*s14*z2)/(s123*s134*s34*z34) - 
   (s13*s14*z2)/(2*s124*s134*s34*z34) - (s13^2*s14*z2)/
    (s12*s123*s134*s34*z34) - (s13^2*s14*z2)/(2*s12*s124*s134*s34*z34) - 
   (s14^2*z2)/(s12^2*s34*z34) - (3*s14^2*z2)/(4*s12*s123*s34*z34) + 
   (3*s14^2*z2)/(4*s12*s124*s34*z34) - (3*s13*s14^2*z2)/
    (2*s12^2*s123*s34*z34) + (3*s13*s14^2*z2)/(2*s12^2*s124*s34*z34) - 
   (s14^2*z2)/(2*s12*s134*s34*z34) - (s14^2*z2)/(s123*s134*s34*z34) - 
   (s14^2*z2)/(2*s124*s134*s34*z34) - (2*s13*s14^2*z2)/
    (s12*s123*s134*s34*z34) - (s13*s14^2*z2)/(s12*s124*s134*s34*z34) - 
   (3*s14^3*z2)/(4*s12^2*s123*s34*z34) + 
   (3*s14^3*z2)/(4*s12^2*s124*s34*z34) - (s14^3*z2)/(s12*s123*s134*s34*z34) - 
   (s14^3*z2)/(2*s12*s124*s134*s34*z34) + (s23*z2)/(s12*s34*z34) - 
   (s13*s23*z2)/(s12^2*s34*z34) - (s13*s23*z2)/(2*s12*s134*s34*z34) - 
   (s14*s23*z2)/(s12^2*s34*z34) - (s14*s23*z2)/(4*s12*s123*s34*z34) + 
   (s14*s23*z2)/(4*s12*s124*s34*z34) - (s13*s14*s23*z2)/
    (s12^2*s123*s34*z34) + (s13*s14*s23*z2)/(s12^2*s124*s34*z34) - 
   (s14*s23*z2)/(2*s12*s134*s34*z34) - (s13*s14*s23*z2)/
    (s12*s123*s134*s34*z34) - (s13*s14*s23*z2)/(2*s12*s124*s134*s34*z34) - 
   (s14^2*s23*z2)/(s12^2*s123*s34*z34) + (s14^2*s23*z2)/
    (s12^2*s124*s34*z34) - (s14^2*s23*z2)/(s12*s123*s134*s34*z34) - 
   (s14^2*s23*z2)/(2*s12*s124*s134*s34*z34) - 
   (s14*s23^2*z2)/(4*s12^2*s123*s34*z34) + 
   (s14*s23^2*z2)/(4*s12^2*s124*s34*z34) + (s12*z2)/(2*s234*s34*z34) - 
   (s13^2*z2)/(2*s12*s234*s34*z34) - (s13*s14*z2)/(s12*s234*s34*z34) - 
   (s14^2*z2)/(2*s12*s234*s34*z34) + (s23*z2)/(2*s234*s34*z34) - 
   (s13*s23*z2)/(2*s12*s234*s34*z34) - (s14*s23*z2)/(2*s12*s234*s34*z34) + 
   (s14*s23*z2)/(2*s123*s234*s34*z34) + (s14*s23*z2)/(s124*s234*s34*z34) + 
   (s13*s14*s23*z2)/(2*s12*s123*s234*s34*z34) + 
   (s13*s14*s23*z2)/(s12*s124*s234*s34*z34) + 
   (s14^2*s23*z2)/(2*s12*s123*s234*s34*z34) + 
   (s14^2*s23*z2)/(s12*s124*s234*s34*z34) + 
   (s14*s23^2*z2)/(2*s12*s123*s234*s34*z34) + 
   (s14*s23^2*z2)/(s12*s124*s234*s34*z34) + (s24*z2)/(s12*s34*z34) - 
   (s13*s24*z2)/(s12^2*s34*z34) - (s13*s24*z2)/(2*s12*s134*s34*z34) - 
   (s14*s24*z2)/(s12^2*s34*z34) - (s14*s24*z2)/(4*s12*s123*s34*z34) + 
   (s14*s24*z2)/(4*s12*s124*s34*z34) - (s13*s14*s24*z2)/
    (s12^2*s123*s34*z34) + (s13*s14*s24*z2)/(s12^2*s124*s34*z34) - 
   (s14*s24*z2)/(2*s12*s134*s34*z34) - (s13*s14*s24*z2)/
    (s12*s123*s134*s34*z34) - (s13*s14*s24*z2)/(2*s12*s124*s134*s34*z34) - 
   (s14^2*s24*z2)/(s12^2*s123*s34*z34) + (s14^2*s24*z2)/
    (s12^2*s124*s34*z34) - (s14^2*s24*z2)/(s12*s123*s134*s34*z34) - 
   (s14^2*s24*z2)/(2*s12*s124*s134*s34*z34) - 
   (s14*s23*s24*z2)/(2*s12^2*s123*s34*z34) + (s14*s23*s24*z2)/
    (2*s12^2*s124*s34*z34) + (s24*z2)/(2*s234*s34*z34) - 
   (s13*s24*z2)/(2*s12*s234*s34*z34) - (s14*s24*z2)/(2*s12*s234*s34*z34) + 
   (s14*s24*z2)/(2*s123*s234*s34*z34) + (s14*s24*z2)/(s124*s234*s34*z34) + 
   (s13*s14*s24*z2)/(2*s12*s123*s234*s34*z34) + 
   (s13*s14*s24*z2)/(s12*s124*s234*s34*z34) + 
   (s14^2*s24*z2)/(2*s12*s123*s234*s34*z34) + 
   (s14^2*s24*z2)/(s12*s124*s234*s34*z34) + (s14*s23*s24*z2)/
    (s12*s123*s234*s34*z34) + (2*s14*s23*s24*z2)/(s12*s124*s234*s34*z34) - 
   (s14*s24^2*z2)/(4*s12^2*s123*s34*z34) + 
   (s14*s24^2*z2)/(4*s12^2*s124*s34*z34) + 
   (s14*s24^2*z2)/(2*s12*s123*s234*s34*z34) + 
   (s14*s24^2*z2)/(s12*s124*s234*s34*z34) + (s34*z2)/(2*s12*s124*z34) - 
   (s14*s34*z2)/(2*s12^2*s123*z34) + (s14*s34*z2)/(2*s12^2*s124*z34) - 
   (s14*s34*z2)/(s12*s123*s134*z34) - (s14*s34*z2)/(2*s12*s124*s134*z34) + 
   (s14*s34*z2)/(2*s12*s123*s234*z34) + (s14*s34*z2)/(s12*s124*s234*z34) + 
   (2*s13*z1^2*z2)/(s12^2*z12^2*z34) + (2*s14*z1^2*z2)/(s12^2*z12^2*z34) + 
   (2*s23*z1^2*z2)/(s12^2*z12^2*z34) + (2*s24*z1^2*z2)/(s12^2*z12^2*z34) - 
   (2*z1^2*z2)/(s34*z12^2*z34) - (2*s13*z1^2*z2)/(s12*s34*z12^2*z34) - 
   (2*s14*z1^2*z2)/(s12*s34*z12^2*z34) - (2*s23*z1^2*z2)/
    (s12*s34*z12^2*z34) - (2*s24*z1^2*z2)/(s12*s34*z12^2*z34) + 
   (2*s34*z1^2*z2)/(s12^2*z12^2*z34) - (3*z1*z2)/(s12*z12*z34) - 
   (z1*z2)/(2*s123*z12*z34) - (z1*z2)/(2*s124*z12*z34) - 
   (4*s13*z1*z2)/(s12^2*z12*z34) - (3*s13*z1*z2)/(4*s12*s123*z12*z34) - 
   (3*s13*z1*z2)/(4*s12*s124*z12*z34) - (s13^2*z1*z2)/
    (4*s12^2*s123*z12*z34) - (s13^2*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (3*z1*z2)/(2*s134*z12*z34) - (5*s13*z1*z2)/(2*s12*s134*z12*z34) - 
   (4*s14*z1*z2)/(s12^2*z12*z34) - (5*s14*z1*z2)/(4*s12*s123*z12*z34) - 
   (s14*z1*z2)/(4*s12*s124*z12*z34) - (5*s13*s14*z1*z2)/
    (4*s12^2*s123*z12*z34) + (s13*s14*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (5*s14*z1*z2)/(2*s12*s134*z12*z34) - (s14^2*z1*z2)/(s12^2*s123*z12*z34) + 
   (s14^2*z1*z2)/(2*s12^2*s124*z12*z34) - (4*s23*z1*z2)/(s12^2*z12*z34) - 
   (3*s23*z1*z2)/(4*s12*s123*z12*z34) - (3*s23*z1*z2)/(4*s12*s124*z12*z34) - 
   (s13*s23*z1*z2)/(2*s12^2*s123*z12*z34) - (s13*s23*z1*z2)/
    (2*s12^2*s124*z12*z34) - (2*s23*z1*z2)/(s12*s134*z12*z34) - 
   (5*s14*s23*z1*z2)/(4*s12^2*s123*z12*z34) + 
   (s14*s23*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (s23^2*z1*z2)/(4*s12^2*s123*z12*z34) - 
   (s23^2*z1*z2)/(4*s12^2*s124*z12*z34) - (z1*z2)/(2*s234*z12*z34) - 
   (3*s13*z1*z2)/(2*s12*s234*z12*z34) - (3*s14*z1*z2)/(2*s12*s234*z12*z34) - 
   (2*s23*z1*z2)/(s12*s234*z12*z34) - (4*s24*z1*z2)/(s12^2*z12*z34) - 
   (5*s24*z1*z2)/(4*s12*s123*z12*z34) - (s24*z1*z2)/(4*s12*s124*z12*z34) - 
   (5*s13*s24*z1*z2)/(4*s12^2*s123*z12*z34) + 
   (s13*s24*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (2*s24*z1*z2)/(s12*s134*z12*z34) - (2*s14*s24*z1*z2)/
    (s12^2*s123*z12*z34) + (s14*s24*z1*z2)/(s12^2*s124*z12*z34) - 
   (5*s23*s24*z1*z2)/(4*s12^2*s123*z12*z34) + 
   (s23*s24*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (2*s24*z1*z2)/(s12*s234*z12*z34) - (s24^2*z1*z2)/(s12^2*s123*z12*z34) + 
   (s24^2*z1*z2)/(2*s12^2*s124*z12*z34) - (s13*z1*z2)/(s12*s34*z12*z34) - 
   (s13^2*z1*z2)/(s12^2*s34*z12*z34) - (s13*z1*z2)/(s134*s34*z12*z34) - 
   (s13^2*z1*z2)/(s12*s134*s34*z12*z34) - (s14*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s14*z1*z2)/(s12^2*s34*z12*z34) - (s13*s14*z1*z2)/
    (4*s12*s123*s34*z12*z34) + (s13*s14*z1*z2)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s14*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s14*z1*z2)/(s134*s34*z12*z34) - (2*s13*s14*z1*z2)/
    (s12*s134*s34*z12*z34) - (s14^2*z1*z2)/(s12^2*s34*z12*z34) - 
   (s14^2*z1*z2)/(4*s12*s123*s34*z12*z34) + 
   (s14^2*z1*z2)/(4*s12*s124*s34*z12*z34) - (s13*s14^2*z1*z2)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s14^2*z1*z2)/
    (2*s12^2*s124*s34*z12*z34) - (s14^2*z1*z2)/(s12*s134*s34*z12*z34) - 
   (s14^3*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^3*z1*z2)/(4*s12^2*s124*s34*z12*z34) - (s23*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s23*z1*z2)/(s12^2*s34*z12*z34) - (s23*z1*z2)/(2*s134*s34*z12*z34) - 
   (3*s13*s23*z1*z2)/(2*s12*s134*s34*z12*z34) - 
   (2*s14*s23*z1*z2)/(s12^2*s34*z12*z34) - (s14*s23*z1*z2)/
    (4*s12*s123*s34*z12*z34) + (s14*s23*z1*z2)/(4*s12*s124*s34*z12*z34) - 
   (s13*s14*s23*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14*s23*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (3*s14*s23*z1*z2)/(2*s12*s134*s34*z12*z34) - 
   (s14^2*s23*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (s23^2*z1*z2)/(s12^2*s34*z12*z34) - (s23^2*z1*z2)/
    (2*s12*s134*s34*z12*z34) - (s14*s23^2*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s14*s23^2*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (s12*z1*z2)/(s234*s34*z12*z34) + (s13*z1*z2)/(s234*s34*z12*z34) + 
   (s14*z1*z2)/(s234*s34*z12*z34) + (s23*z1*z2)/(2*s234*s34*z12*z34) - 
   (s13*s23*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (s14*s23*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (s23^2*z1*z2)/(2*s12*s234*s34*z12*z34) - (s24*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s24*z1*z2)/(s12^2*s34*z12*z34) - (s13*s24*z1*z2)/
    (4*s12*s123*s34*z12*z34) + (s13*s24*z1*z2)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s24*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s24*z1*z2)/(2*s134*s34*z12*z34) - (3*s13*s24*z1*z2)/
    (2*s12*s134*s34*z12*z34) - (2*s14*s24*z1*z2)/(s12^2*s34*z12*z34) - 
   (s14*s24*z1*z2)/(2*s12*s123*s34*z12*z34) + 
   (s14*s24*z1*z2)/(2*s12*s124*s34*z12*z34) - (s13*s14*s24*z1*z2)/
    (s12^2*s123*s34*z12*z34) + (s13*s14*s24*z1*z2)/(s12^2*s124*s34*z12*z34) - 
   (3*s14*s24*z1*z2)/(2*s12*s134*s34*z12*z34) - 
   (3*s14^2*s24*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (3*s14^2*s24*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (2*s23*s24*z1*z2)/(s12^2*s34*z12*z34) - (s23*s24*z1*z2)/
    (4*s12*s123*s34*z12*z34) + (s23*s24*z1*z2)/(4*s12*s124*s34*z12*z34) - 
   (s13*s23*s24*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s23*s24*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (s23*s24*z1*z2)/(s12*s134*s34*z12*z34) - (s14*s23*s24*z1*z2)/
    (s12^2*s123*s34*z12*z34) + (s14*s23*s24*z1*z2)/(s12^2*s124*s34*z12*z34) - 
   (s23^2*s24*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s23^2*s24*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (s24*z1*z2)/(2*s234*s34*z12*z34) - (s13*s24*z1*z2)/
    (2*s12*s234*s34*z12*z34) - (s14*s24*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (s23*s24*z1*z2)/(s12*s234*s34*z12*z34) - 
   (s24^2*z1*z2)/(s12^2*s34*z12*z34) - (s24^2*z1*z2)/
    (4*s12*s123*s34*z12*z34) + (s24^2*z1*z2)/(4*s12*s124*s34*z12*z34) - 
   (s13*s24^2*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s24^2*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (s24^2*z1*z2)/(2*s12*s134*s34*z12*z34) - (3*s14*s24^2*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) + (3*s14*s24^2*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) - (s23*s24^2*z1*z2)/
    (2*s12^2*s123*s34*z12*z34) + (s23*s24^2*z1*z2)/
    (2*s12^2*s124*s34*z12*z34) - (s24^2*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (s24^3*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s24^3*z1*z2)/(4*s12^2*s124*s34*z12*z34) - (3*s34*z1*z2)/(s12^2*z12*z34) - 
   (s34*z1*z2)/(2*s12*s123*z12*z34) - (s34*z1*z2)/(2*s12*s124*z12*z34) - 
   (s13*s34*z1*z2)/(4*s12^2*s123*z12*z34) - (s13*s34*z1*z2)/
    (4*s12^2*s124*z12*z34) - (3*s34*z1*z2)/(2*s12*s134*z12*z34) - 
   (3*s14*s34*z1*z2)/(4*s12^2*s123*z12*z34) + 
   (s14*s34*z1*z2)/(4*s12^2*s124*z12*z34) - (s23*s34*z1*z2)/
    (4*s12^2*s123*z12*z34) - (s23*s34*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (3*s34*z1*z2)/(2*s12*s234*z12*z34) - (3*s24*s34*z1*z2)/
    (4*s12^2*s123*z12*z34) + (s24*s34*z1*z2)/(4*s12^2*s124*z12*z34) + 
   (2*s13*z1*z2^2)/(s12^2*z12^2*z34) + (2*s14*z1*z2^2)/(s12^2*z12^2*z34) + 
   (2*s23*z1*z2^2)/(s12^2*z12^2*z34) + (2*s24*z1*z2^2)/(s12^2*z12^2*z34) - 
   (2*z1*z2^2)/(s34*z12^2*z34) - (2*s13*z1*z2^2)/(s12*s34*z12^2*z34) - 
   (2*s14*z1*z2^2)/(s12*s34*z12^2*z34) - (2*s23*z1*z2^2)/
    (s12*s34*z12^2*z34) - (2*s24*z1*z2^2)/(s12*s34*z12^2*z34) + 
   (2*s34*z1*z2^2)/(s12^2*z12^2*z34) + (s13*z2^2)/(s12^2*z12*z34) + 
   (s14*z2^2)/(s12^2*z12*z34) + (s14*z2^2)/(2*s12*s123*z12*z34) - 
   (s14*z2^2)/(2*s12*s124*z12*z34) + (3*s13*s14*z2^2)/
    (4*s12^2*s123*z12*z34) - (3*s13*s14*z2^2)/(4*s12^2*s124*z12*z34) + 
   (3*s14^2*z2^2)/(4*s12^2*s123*z12*z34) - 
   (3*s14^2*z2^2)/(4*s12^2*s124*z12*z34) + (3*s14*s23*z2^2)/
    (4*s12^2*s123*z12*z34) - (3*s14*s23*z2^2)/(4*s12^2*s124*z12*z34) + 
   (3*s14*s24*z2^2)/(4*s12^2*s123*z12*z34) - (3*s14*s24*z2^2)/
    (4*s12^2*s124*z12*z34) + (s13*z2^2)/(s12*s34*z12*z34) + 
   (s13^2*z2^2)/(s12^2*s34*z12*z34) + (s14*z2^2)/(s12*s34*z12*z34) + 
   (2*s13*s14*z2^2)/(s12^2*s34*z12*z34) + (s13*s14*z2^2)/
    (4*s12*s123*s34*z12*z34) - (s13*s14*z2^2)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s14*z2^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^2*s14*z2^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s14^2*z2^2)/(s12^2*s34*z12*z34) + (s14^2*z2^2)/(4*s12*s123*s34*z12*z34) - 
   (s14^2*z2^2)/(4*s12*s124*s34*z12*z34) + (s13*s14^2*z2^2)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s14^2*z2^2)/
    (2*s12^2*s124*s34*z12*z34) + (s14^3*z2^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^3*z2^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s13*s23*z2^2)/(s12^2*s34*z12*z34) + (s14*s23*z2^2)/(s12^2*s34*z12*z34) + 
   (s14*s23*z2^2)/(4*s12*s123*s34*z12*z34) - 
   (s14*s23*z2^2)/(4*s12*s124*s34*z12*z34) + (s13*s14*s23*z2^2)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s14*s23*z2^2)/
    (2*s12^2*s124*s34*z12*z34) + (s14^2*s23*z2^2)/
    (2*s12^2*s123*s34*z12*z34) - (s14^2*s23*z2^2)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s23^2*z2^2)/
    (4*s12^2*s123*s34*z12*z34) - (s14*s23^2*z2^2)/
    (4*s12^2*s124*s34*z12*z34) + (s13*s24*z2^2)/(s12^2*s34*z12*z34) + 
   (s14*s24*z2^2)/(s12^2*s34*z12*z34) + (s14*s24*z2^2)/
    (4*s12*s123*s34*z12*z34) - (s14*s24*z2^2)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14*s24*z2^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s14*s24*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14^2*s24*z2^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s14^2*s24*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s23*s24*z2^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s14*s23*s24*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s24^2*z2^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s14*s24^2*z2^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s14*s34*z2^2)/(2*s12^2*s123*z12*z34) - 
   (s14*s34*z2^2)/(2*s12^2*s124*z12*z34) - (s14*z3)/(s12^2*z34) - 
   (s14*z3)/(2*s12*s124*z34) + (s13*s14*z3)/(4*s12^2*s123*z34) + 
   (s13*s14*z3)/(4*s12^2*s124*z34) - (s14*z3)/(s12*s134*z34) + 
   (s14^2*z3)/(4*s12^2*s123*z34) + (s14^2*z3)/(4*s12^2*s124*z34) - 
   (s14*s23*z3)/(4*s12^2*s123*z34) - (s14*s23*z3)/(4*s12^2*s124*z34) - 
   (s14*z3)/(s12*s234*z34) - (s14*z3)/(s134*s234*z34) - 
   (s24*z3)/(2*s12*s124*z34) - (s14*s24*z3)/(4*s12^2*s123*z34) - 
   (s14*s24*z3)/(4*s12^2*s124*z34) - (s14*z3)/(s34^2*z34) - 
   (s13*s14*z3)/(s12*s34^2*z34) - (s12*s14*z3)/(2*s134*s34^2*z34) - 
   (3*s13*s14*z3)/(2*s134*s34^2*z34) - (s13^2*s14*z3)/(s12*s134*s34^2*z34) - 
   (s14^2*z3)/(s12*s34^2*z34) - (3*s14^2*z3)/(2*s134*s34^2*z34) - 
   (2*s13*s14^2*z3)/(s12*s134*s34^2*z34) - (s14^3*z3)/(s12*s134*s34^2*z34) - 
   (2*s14*s23*z3)/(s12*s34^2*z34) - (s13*s14*s23*z3)/(s12^2*s34^2*z34) - 
   (3*s14*s23*z3)/(2*s134*s34^2*z34) - (2*s13*s14*s23*z3)/
    (s12*s134*s34^2*z34) - (s14^2*s23*z3)/(s12^2*s34^2*z34) - 
   (2*s14^2*s23*z3)/(s12*s134*s34^2*z34) - (s14*s23^2*z3)/(s12^2*s34^2*z34) - 
   (s14*s23^2*z3)/(s12*s134*s34^2*z34) - (s12*s14*s23*z3)/
    (s134*s234*s34^2*z34) - (s13*s14*s23*z3)/(s134*s234*s34^2*z34) - 
   (s14^2*s23*z3)/(s134*s234*s34^2*z34) - (s14*s23^2*z3)/
    (s134*s234*s34^2*z34) - (s24*z3)/(s34^2*z34) + 
   (s13^2*s24*z3)/(s12^2*s34^2*z34) + (s13*s24*z3)/(2*s134*s34^2*z34) + 
   (s13^2*s24*z3)/(2*s12*s134*s34^2*z34) - (2*s14*s24*z3)/(s12*s34^2*z34) + 
   (s13*s14*s24*z3)/(s12^2*s34^2*z34) - (s14*s24*z3)/(s134*s34^2*z34) - 
   (s13*s14*s24*z3)/(s12*s134*s34^2*z34) - (3*s14^2*s24*z3)/
    (2*s12*s134*s34^2*z34) - (s23*s24*z3)/(s12*s34^2*z34) + 
   (s13*s23*s24*z3)/(s12^2*s34^2*z34) + (s13*s23*s24*z3)/
    (2*s12*s134*s34^2*z34) - (s14*s23*s24*z3)/(s12^2*s34^2*z34) - 
   (3*s14*s23*s24*z3)/(2*s12*s134*s34^2*z34) - 
   (s12*s24*z3)/(2*s234*s34^2*z34) + (s13^2*s24*z3)/(2*s12*s234*s34^2*z34) + 
   (s13*s14*s24*z3)/(s12*s234*s34^2*z34) - (s12*s14*s24*z3)/
    (s134*s234*s34^2*z34) - (s13*s14*s24*z3)/(s134*s234*s34^2*z34) + 
   (s14^2*s24*z3)/(2*s12*s234*s34^2*z34) - 
   (s14^2*s24*z3)/(s134*s234*s34^2*z34) - (s23*s24*z3)/(2*s234*s34^2*z34) + 
   (s13*s23*s24*z3)/(2*s12*s234*s34^2*z34) + (s14*s23*s24*z3)/
    (2*s12*s234*s34^2*z34) - (2*s14*s23*s24*z3)/(s134*s234*s34^2*z34) - 
   (s24^2*z3)/(s12*s34^2*z34) + (s13*s24^2*z3)/(s12^2*s34^2*z34) + 
   (s13*s24^2*z3)/(2*s12*s134*s34^2*z34) - 
   (s14*s24^2*z3)/(2*s12*s134*s34^2*z34) - (s24^2*z3)/(2*s234*s34^2*z34) + 
   (s13*s24^2*z3)/(2*s12*s234*s34^2*z34) + 
   (s14*s24^2*z3)/(2*s12*s234*s34^2*z34) - 
   (s14*s24^2*z3)/(s134*s234*s34^2*z34) - (2*s14*z3)/(s12*s34*z34) - 
   (s14*z3)/(2*s124*s34*z34) - (s13*s14*z3)/(s12^2*s34*z34) + 
   (s13*s14*z3)/(4*s12*s123*s34*z34) - (s13*s14*z3)/(4*s12*s124*s34*z34) + 
   (s13^2*s14*z3)/(4*s12^2*s123*s34*z34) + 
   (s13^2*s14*z3)/(4*s12^2*s124*s34*z34) - (3*s14*z3)/(2*s134*s34*z34) - 
   (2*s13*s14*z3)/(s12*s134*s34*z34) - (s14^2*z3)/(s12^2*s34*z34) + 
   (s14^2*z3)/(4*s12*s123*s34*z34) - (s14^2*z3)/(4*s12*s124*s34*z34) + 
   (s13*s14^2*z3)/(2*s12^2*s123*s34*z34) + 
   (s13*s14^2*z3)/(2*s12^2*s124*s34*z34) - (2*s14^2*z3)/(s12*s134*s34*z34) + 
   (s14^3*z3)/(4*s12^2*s123*s34*z34) + (s14^3*z3)/(4*s12^2*s124*s34*z34) - 
   (2*s14*s23*z3)/(s12^2*s34*z34) - (s14*s23*z3)/(4*s12*s123*s34*z34) - 
   (3*s14*s23*z3)/(4*s12*s124*s34*z34) - (2*s14*s23*z3)/(s12*s134*s34*z34) - 
   (s14*s23^2*z3)/(4*s12^2*s123*s34*z34) - 
   (s14*s23^2*z3)/(4*s12^2*s124*s34*z34) - (s14*z3)/(s234*s34*z34) - 
   (s13*s14*z3)/(s12*s234*s34*z34) - (s12*s14*z3)/(s134*s234*s34*z34) - 
   (s13*s14*z3)/(s134*s234*s34*z34) - (s14^2*z3)/(s12*s234*s34*z34) - 
   (s14^2*z3)/(s134*s234*s34*z34) - (s14*s23*z3)/(s12*s234*s34*z34) - 
   (2*s14*s23*z3)/(s134*s234*s34*z34) - (s24*z3)/(s12*s34*z34) - 
   (s24*z3)/(2*s124*s34*z34) + (s13*s24*z3)/(s12^2*s34*z34) - 
   (s13*s24*z3)/(2*s12*s124*s34*z34) + (s13*s24*z3)/(2*s12*s134*s34*z34) - 
   (s14*s24*z3)/(s12^2*s34*z34) - (s14*s24*z3)/(4*s12*s123*s34*z34) - 
   (5*s14*s24*z3)/(4*s12*s124*s34*z34) - (3*s14*s24*z3)/
    (2*s12*s134*s34*z34) - (s23*s24*z3)/(2*s12*s124*s34*z34) - 
   (s14*s23*s24*z3)/(2*s12^2*s123*s34*z34) - (s14*s23*s24*z3)/
    (2*s12^2*s124*s34*z34) - (s24*z3)/(2*s234*s34*z34) + 
   (s13*s24*z3)/(2*s12*s234*s34*z34) - (s14*s24*z3)/(2*s12*s234*s34*z34) - 
   (2*s14*s24*z3)/(s134*s234*s34*z34) - (s24^2*z3)/(2*s12*s124*s34*z34) - 
   (s14*s24^2*z3)/(4*s12^2*s123*s34*z34) - 
   (s14*s24^2*z3)/(4*s12^2*s124*s34*z34) - (z1*z3)/(s12*z12*z34) + 
   (z1*z3)/(2*s134*z12*z34) + (s13*z1*z3)/(4*s12*s134*z12*z34) + 
   (s14*z1*z3)/(s12^2*z12*z34) - (s14*z1*z3)/(2*s12*s123*z12*z34) - 
   (s14*z1*z3)/(2*s12*s124*z12*z34) - (s13*s14*z1*z3)/
    (4*s12^2*s123*z12*z34) - (s13*s14*z1*z3)/(4*s12^2*s124*z12*z34) + 
   (3*s14*z1*z3)/(4*s12*s134*z12*z34) - (s14^2*z1*z3)/
    (4*s12^2*s123*z12*z34) - (s14^2*z1*z3)/(4*s12^2*s124*z12*z34) + 
   (s23*z1*z3)/(4*s12*s134*z12*z34) - (s14*s23*z1*z3)/
    (4*s12^2*s123*z12*z34) - (s14*s23*z1*z3)/(4*s12^2*s124*z12*z34) - 
   (z1*z3)/(2*s234*z12*z34) - (s13*z1*z3)/(4*s12*s234*z12*z34) + 
   (s14*z1*z3)/(4*s12*s234*z12*z34) - (s23*z1*z3)/(4*s12*s234*z12*z34) + 
   (2*s24*z1*z3)/(s12^2*z12*z34) + (5*s24*z1*z3)/(4*s12*s134*z12*z34) - 
   (s14*s24*z1*z3)/(4*s12^2*s123*z12*z34) - (s14*s24*z1*z3)/
    (4*s12^2*s124*z12*z34) + (3*s24*z1*z3)/(4*s12*s234*z12*z34) - 
   (2*s14*z1*z3)/(s34^2*z12*z34) - (2*s13*s14*z1*z3)/(s12*s34^2*z12*z34) - 
   (s12*s14*z1*z3)/(s134*s34^2*z12*z34) - (s13*s14*z1*z3)/
    (s134*s34^2*z12*z34) - (2*s14^2*z1*z3)/(s12*s34^2*z12*z34) - 
   (s14^2*z1*z3)/(s134*s34^2*z12*z34) - (3*s14*s23*z1*z3)/
    (s12*s34^2*z12*z34) - (s13*s14*s23*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s14*s23*z1*z3)/(2*s134*s34^2*z12*z34) - (s13*s14*s23*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) - (s14^2*s23*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s14^2*s23*z1*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s23^2*z1*z3)/(s12^2*s34^2*z12*z34) - (s14*s23^2*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s23*z1*z3)/(2*s234*s34^2*z12*z34) + 
   (s13*s14*s23*z1*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14^2*s23*z1*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s23^2*z1*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (s24*z1*z3)/(s34^2*z12*z34) + (s13^2*s24*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (3*s13*s24*z1*z3)/(4*s134*s34^2*z12*z34) + (3*s13^2*s24*z1*z3)/
    (4*s12*s134*s34^2*z12*z34) - (3*s14*s24*z1*z3)/(s12*s34^2*z12*z34) + 
   (s13*s14*s24*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s14*s24*z1*z3)/(4*s134*s34^2*z12*z34) + (s13*s14*s24*z1*z3)/
    (s12*s134*s34^2*z12*z34) + (s14^2*s24*z1*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (s23*s24*z1*z3)/(s12*s34^2*z12*z34) + (s13*s23*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s23*s24*z1*z3)/(4*s134*s34^2*z12*z34) + 
   (s13*s23*s24*z1*z3)/(s12*s134*s34^2*z12*z34) - 
   (s14*s23*s24*z1*z3)/(s12^2*s34^2*z12*z34) + 
   (s23^2*s24*z1*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (s12*s24*z1*z3)/(s234*s34^2*z12*z34) - (5*s13*s24*z1*z3)/
    (4*s234*s34^2*z12*z34) - (s13^2*s24*z1*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (3*s14*s24*z1*z3)/(4*s234*s34^2*z12*z34) + 
   (s14^2*s24*z1*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (3*s23*s24*z1*z3)/(4*s234*s34^2*z12*z34) + (s14*s23*s24*z1*z3)/
    (s12*s234*s34^2*z12*z34) + (s23^2*s24*z1*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (s24^2*z1*z3)/(s12*s34^2*z12*z34) + (s13*s24^2*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s24^2*z1*z3)/(4*s134*s34^2*z12*z34) + 
   (s13*s24^2*z1*z3)/(s12*s134*s34^2*z12*z34) + 
   (s14*s24^2*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s23*s24^2*z1*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (3*s24^2*z1*z3)/(4*s234*s34^2*z12*z34) + (s14*s24^2*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s23*s24^2*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s24^3*z1*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s24^3*z1*z3)/(4*s12*s234*s34^2*z12*z34) - (z1*z3)/(s34*z12*z34) - 
   (s13*z1*z3)/(s12*s34*z12*z34) + (s12*z1*z3)/(2*s134*s34*z12*z34) + 
   (3*s13*z1*z3)/(4*s134*s34*z12*z34) + (s13^2*z1*z3)/
    (4*s12*s134*s34*z12*z34) - (2*s14*z1*z3)/(s12*s34*z12*z34) - 
   (s14*z1*z3)/(2*s123*s34*z12*z34) - (s14*z1*z3)/(2*s124*s34*z12*z34) + 
   (s13*s14*z1*z3)/(s12^2*s34*z12*z34) - (3*s13*s14*z1*z3)/
    (4*s12*s123*s34*z12*z34) - (3*s13*s14*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s14*z1*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^2*s14*z1*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s14*z1*z3)/(4*s134*s34*z12*z34) + (s13*s14*z1*z3)/
    (s12*s134*s34*z12*z34) + (s14^2*z1*z3)/(s12^2*s34*z12*z34) - 
   (3*s14^2*z1*z3)/(4*s12*s123*s34*z12*z34) - 
   (3*s14^2*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13*s14^2*z1*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s14^2*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s14^2*z1*z3)/(4*s12*s134*s34*z12*z34) - 
   (s14^3*z1*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^3*z1*z3)/(4*s12^2*s124*s34*z12*z34) - (s23*z1*z3)/(s12*s34*z12*z34) + 
   (3*s23*z1*z3)/(4*s134*s34*z12*z34) + (s13*s23*z1*z3)/
    (2*s12*s134*s34*z12*z34) - (3*s14*s23*z1*z3)/(4*s12*s123*s34*z12*z34) - 
   (3*s14*s23*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13*s14*s23*z1*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s14*s23*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s23*z1*z3)/(2*s12*s134*s34*z12*z34) - 
   (s14^2*s23*z1*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s14^2*s23*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^2*z1*z3)/(4*s12*s134*s34*z12*z34) - (s14*s23^2*z1*z3)/
    (4*s12^2*s123*s34*z12*z34) - (s14*s23^2*z1*z3)/
    (4*s12^2*s124*s34*z12*z34) - (s12*z1*z3)/(2*s234*s34*z12*z34) - 
   (3*s13*z1*z3)/(4*s234*s34*z12*z34) - (s13^2*z1*z3)/
    (4*s12*s234*s34*z12*z34) - (s14*z1*z3)/(4*s234*s34*z12*z34) + 
   (s14^2*z1*z3)/(4*s12*s234*s34*z12*z34) - 
   (3*s23*z1*z3)/(4*s234*s34*z12*z34) - (s13*s23*z1*z3)/
    (2*s12*s234*s34*z12*z34) + (s14*s23*z1*z3)/(2*s12*s234*s34*z12*z34) - 
   (s23^2*z1*z3)/(4*s12*s234*s34*z12*z34) + (3*s13*s24*z1*z3)/
    (s12^2*s34*z12*z34) + (7*s24*z1*z3)/(4*s134*s34*z12*z34) + 
   (9*s13*s24*z1*z3)/(4*s12*s134*s34*z12*z34) + 
   (3*s14*s24*z1*z3)/(s12^2*s34*z12*z34) - (3*s14*s24*z1*z3)/
    (4*s12*s123*s34*z12*z34) - (3*s14*s24*z1*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13*s14*s24*z1*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s14*s24*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (9*s14*s24*z1*z3)/(4*s12*s134*s34*z12*z34) - 
   (s14^2*s24*z1*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s14^2*s24*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (2*s23*s24*z1*z3)/(s12^2*s34*z12*z34) + (7*s23*s24*z1*z3)/
    (4*s12*s134*s34*z12*z34) - (s14*s23*s24*z1*z3)/
    (2*s12^2*s123*s34*z12*z34) - (s14*s23*s24*z1*z3)/
    (2*s12^2*s124*s34*z12*z34) - (3*s24*z1*z3)/(4*s234*s34*z12*z34) + 
   (s13*s24*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (5*s14*s24*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (3*s23*s24*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (2*s24^2*z1*z3)/(s12^2*s34*z12*z34) + (3*s24^2*z1*z3)/
    (2*s12*s134*s34*z12*z34) - (s14*s24^2*z1*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s14*s24^2*z1*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s24^2*z1*z3)/(s12*s234*s34*z12*z34) - (2*s14*z1*z2*z3)/
    (s12^2*z12^2*z34) - (2*s24*z1*z2*z3)/(s12^2*z12^2*z34) + 
   (2*s14*z1*z2*z3)/(s34^2*z12^2*z34) + (2*s13*s14*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) + (2*s14^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (2*s14*s23*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (2*s24*z1*z2*z3)/(s34^2*z12^2*z34) + (2*s13*s24*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) + (4*s14*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (2*s23*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (2*s24^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (2*s13*s14*z1*z2*z3)/
    (s12^2*s34*z12^2*z34) - (2*s14^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (2*s14*s23*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (2*s13*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (4*s14*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (2*s23*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (2*s24^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) - (z2*z3)/(s12*z12*z34) + 
   (s14*z2*z3)/(s12^2*z12*z34) + (s14*z2*z3)/(2*s12*s123*z12*z34) + 
   (s14*z2*z3)/(2*s12*s124*z12*z34) + (s13*s14*z2*z3)/
    (4*s12^2*s123*z12*z34) + (s13*s14*z2*z3)/(4*s12^2*s124*z12*z34) + 
   (s14*z2*z3)/(2*s12*s134*z12*z34) + (s14^2*z2*z3)/(4*s12^2*s123*z12*z34) + 
   (s14^2*z2*z3)/(4*s12^2*s124*z12*z34) + (s14*s23*z2*z3)/
    (4*s12^2*s123*z12*z34) + (s14*s23*z2*z3)/(4*s12^2*s124*z12*z34) + 
   (s14*z2*z3)/(2*s12*s234*z12*z34) + (s14*s24*z2*z3)/
    (4*s12^2*s123*z12*z34) + (s14*s24*z2*z3)/(4*s12^2*s124*z12*z34) + 
   (s14*z2*z3)/(s34^2*z12*z34) + (s13*s14*z2*z3)/(s12*s34^2*z12*z34) + 
   (s13*s14*z2*z3)/(4*s134*s34^2*z12*z34) + (s13^2*s14*z2*z3)/
    (4*s12*s134*s34^2*z12*z34) + (s14^2*z2*z3)/(s12*s34^2*z12*z34) + 
   (s14^2*z2*z3)/(4*s134*s34^2*z12*z34) + (s13*s14^2*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) + (s14^3*z2*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (2*s14*s23*z2*z3)/(s12*s34^2*z12*z34) + (s13*s14*s23*z2*z3)/
    (s12^2*s34^2*z12*z34) + (s14*s23*z2*z3)/(4*s134*s34^2*z12*z34) + 
   (s13*s14*s23*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*s23*z2*z3)/(s12^2*s34^2*z12*z34) + (s14^2*s23*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s23^2*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s14*s23^2*z2*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s13*s14*z2*z3)/(4*s234*s34^2*z12*z34) + (s13^2*s14*z2*z3)/
    (4*s12*s234*s34^2*z12*z34) + (s14^2*z2*z3)/(4*s234*s34^2*z12*z34) + 
   (s13*s14^2*z2*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14^3*z2*z3)/(4*s12*s234*s34^2*z12*z34) + 
   (s14*s23*z2*z3)/(4*s234*s34^2*z12*z34) + (s13*s14*s23*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s23*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s23^2*z2*z3)/
    (4*s12*s234*s34^2*z12*z34) - (s13*s24*z2*z3)/(s12*s34^2*z12*z34) - 
   (s13^2*s24*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s14*s24*z2*z3)/(s12*s34^2*z12*z34) - (s13*s14*s24*z2*z3)/
    (s12^2*s34^2*z12*z34) + (s14*s24*z2*z3)/(4*s134*s34^2*z12*z34) + 
   (s13*s14*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (s13*s23*s24*z2*z3)/(s12^2*s34^2*z12*z34) + (s14*s23*s24*z2*z3)/
    (s12^2*s34^2*z12*z34) + (s14*s23*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s24*z2*z3)/(4*s234*s34^2*z12*z34) + (s13*s14*s24*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s24*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s23*s24*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) - (s13*s24^2*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s14*s24^2*z2*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s14*s24^2*z2*z3)/(4*s12*s234*s34^2*z12*z34) - (z2*z3)/(s34*z12*z34) - 
   (s13*z2*z3)/(s12*s34*z12*z34) + (s14*z2*z3)/(s12*s34*z12*z34) + 
   (s14*z2*z3)/(2*s123*s34*z12*z34) + (s14*z2*z3)/(2*s124*s34*z12*z34) + 
   (s13*s14*z2*z3)/(s12^2*s34*z12*z34) + (3*s13*s14*z2*z3)/
    (4*s12*s123*s34*z12*z34) + (3*s13*s14*z2*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s14*z2*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z2*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s14*z2*z3)/(2*s134*s34*z12*z34) + (3*s13*s14*z2*z3)/
    (4*s12*s134*s34*z12*z34) + (s14^2*z2*z3)/(s12^2*s34*z12*z34) + 
   (3*s14^2*z2*z3)/(4*s12*s123*s34*z12*z34) + 
   (3*s14^2*z2*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14^2*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14^2*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s14^2*z2*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14^3*z2*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^3*z2*z3)/(4*s12^2*s124*s34*z12*z34) - (s23*z2*z3)/(s12*s34*z12*z34) + 
   (2*s14*s23*z2*z3)/(s12^2*s34*z12*z34) + (3*s14*s23*z2*z3)/
    (4*s12*s123*s34*z12*z34) + (3*s14*s23*z2*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14*s23*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14*s23*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s14*s23*z2*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s23^2*z2*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s14*s23^2*z2*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s14*z2*z3)/(2*s234*s34*z12*z34) + (3*s13*s14*z2*z3)/
    (4*s12*s234*s34*z12*z34) + (3*s14^2*z2*z3)/(4*s12*s234*s34*z12*z34) + 
   (3*s14*s23*z2*z3)/(4*s12*s234*s34*z12*z34) - 
   (s24*z2*z3)/(s12*s34*z12*z34) - (s13*s24*z2*z3)/(s12^2*s34*z12*z34) + 
   (s14*s24*z2*z3)/(s12^2*s34*z12*z34) + (3*s14*s24*z2*z3)/
    (4*s12*s123*s34*z12*z34) + (3*s14*s24*z2*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14*s24*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14*s24*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s14*s24*z2*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14^2*s24*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s24*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s23*s24*z2*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23*s24*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s14*s24*z2*z3)/(4*s12*s234*s34*z12*z34) + 
   (s14*s24^2*z2*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s14*s24^2*z2*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s14*z3^2)/(s34^2*z12*z34) + (s13*s14*z3^2)/(s12*s34^2*z12*z34) - 
   (s12*s14*z3^2)/(2*s134*s34^2*z12*z34) - (3*s13*s14*z3^2)/
    (4*s134*s34^2*z12*z34) - (s13^2*s14*z3^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s14^2*z3^2)/(s12*s34^2*z12*z34) - (3*s14^2*z3^2)/(4*s134*s34^2*z12*z34) - 
   (s13*s14^2*z3^2)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^3*z3^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s14*s23*z3^2)/(s12*s34^2*z12*z34) - (3*s14*s23*z3^2)/
    (4*s134*s34^2*z12*z34) - (s13*s14*s23*z3^2)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^2*s23*z3^2)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s23^2*z3^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s12*s14*z3^2)/(2*s234*s34^2*z12*z34) + (3*s13*s14*z3^2)/
    (4*s234*s34^2*z12*z34) + (s13^2*s14*z3^2)/(4*s12*s234*s34^2*z12*z34) + 
   (3*s14^2*z3^2)/(4*s234*s34^2*z12*z34) + (s13*s14^2*z3^2)/
    (2*s12*s234*s34^2*z12*z34) + (s14^3*z3^2)/(4*s12*s234*s34^2*z12*z34) + 
   (3*s14*s23*z3^2)/(4*s234*s34^2*z12*z34) + (s13*s14*s23*z3^2)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s23*z3^2)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s23^2*z3^2)/
    (4*s12*s234*s34^2*z12*z34) + (s24*z3^2)/(s34^2*z12*z34) + 
   (s13*s24*z3^2)/(s12*s34^2*z12*z34) + (2*s14*s24*z3^2)/
    (s12*s34^2*z12*z34) - (3*s14*s24*z3^2)/(4*s134*s34^2*z12*z34) - 
   (s13*s14*s24*z3^2)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^2*s24*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s23*s24*z3^2)/(s12*s34^2*z12*z34) - (s14*s23*s24*z3^2)/
    (2*s12*s134*s34^2*z12*z34) + (3*s14*s24*z3^2)/(4*s234*s34^2*z12*z34) + 
   (s13*s14*s24*z3^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s14^2*s24*z3^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s23*s24*z3^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s24^2*z3^2)/(s12*s34^2*z12*z34) - (s14*s24^2*z3^2)/
    (4*s12*s134*s34^2*z12*z34) + (s14*s24^2*z3^2)/
    (4*s12*s234*s34^2*z12*z34) + (s14*z3^2)/(s12*s34*z12*z34) - 
   (s14*z3^2)/(2*s134*s34*z12*z34) - (s13*s14*z3^2)/
    (4*s12*s134*s34*z12*z34) - (s14^2*z3^2)/(4*s12*s134*s34*z12*z34) - 
   (s14*s23*z3^2)/(4*s12*s134*s34*z12*z34) + 
   (s14*z3^2)/(2*s234*s34*z12*z34) + (s13*s14*z3^2)/
    (4*s12*s234*s34*z12*z34) + (s14^2*z3^2)/(4*s12*s234*s34*z12*z34) + 
   (s14*s23*z3^2)/(4*s12*s234*s34*z12*z34) + (s24*z3^2)/(s12*s34*z12*z34) - 
   (s14*s24*z3^2)/(4*s12*s134*s34*z12*z34) + 
   (s14*s24*z3^2)/(4*s12*s234*s34*z12*z34) + z4/(s12*z12) + z4/(s123*z12) + 
   (3*z4)/(2*s124*z12) + (s12*z4)/(s123*s124*z12) + 
   (3*s13*z4)/(2*s12*s124*z12) + (2*s13*z4)/(s123*s124*z12) + 
   (s13^2*z4)/(s12*s123*s124*z12) + z4/(2*s134*z12) - 
   (s13*z4)/(s123*s134*z12) + (s13*z4)/(2*s124*s134*z12) - 
   (s13^2*z4)/(s12*s123*s134*z12) + (3*s14*z4)/(2*s12*s124*z12) + 
   (s14*z4)/(s123*s124*z12) + (s13*s14*z4)/(s12*s123*s124*z12) + 
   (s13*s14*z4)/(2*s12*s124*s134*z12) + (3*s23*z4)/(2*s12*s124*z12) + 
   (2*s23*z4)/(s123*s124*z12) + (2*s13*s23*z4)/(s12*s123*s124*z12) - 
   (s13*s23*z4)/(s12*s123*s134*z12) + (s14*s23*z4)/(s12*s123*s124*z12) + 
   (s23^2*z4)/(s12*s123*s124*z12) - (s13*z4)/(2*s123*s234*z12) + 
   (s13*z4)/(s124*s234*z12) - (s13^2*z4)/(2*s12*s123*s234*z12) + 
   (s13*s14*z4)/(s12*s124*s234*z12) - (s13*s23*z4)/(2*s12*s123*s234*z12) + 
   (3*s24*z4)/(2*s12*s124*z12) + (s24*z4)/(s123*s124*z12) + 
   (s13*s24*z4)/(s12*s123*s124*z12) + (s13*s24*z4)/(2*s12*s124*s134*z12) + 
   (s23*s24*z4)/(s12*s123*s124*z12) + (s13*s24*z4)/(s12*s124*s234*z12) + 
   (s12*z4)/(s34^2*z12) + (2*s13*z4)/(s34^2*z12) + 
   (s13^2*z4)/(s12*s34^2*z12) - (s12*s13*z4)/(4*s134*s34^2*z12) - 
   (s13^2*z4)/(2*s134*s34^2*z12) - (s13^3*z4)/(4*s12*s134*s34^2*z12) + 
   (s14*z4)/(s34^2*z12) + (s13*s14*z4)/(s12*s34^2*z12) - 
   (s12*s14*z4)/(4*s134*s34^2*z12) - (5*s13*s14*z4)/(4*s134*s34^2*z12) - 
   (s13^2*s14*z4)/(s12*s134*s34^2*z12) - (s14^2*z4)/(4*s134*s34^2*z12) - 
   (3*s13*s14^2*z4)/(4*s12*s134*s34^2*z12) + (2*s23*z4)/(s34^2*z12) + 
   (2*s13*s23*z4)/(s12*s34^2*z12) + (s12*s23*z4)/(4*s134*s34^2*z12) - 
   (s13*s23*z4)/(4*s134*s34^2*z12) - (s13^2*s23*z4)/(2*s12*s134*s34^2*z12) + 
   (s14*s23*z4)/(s12*s34^2*z12) - (s13*s14*s23*z4)/(s12*s134*s34^2*z12) + 
   (s23^2*z4)/(s12*s34^2*z12) + (s23^2*z4)/(4*s134*s34^2*z12) - 
   (s13*s23^2*z4)/(4*s12*s134*s34^2*z12) + 
   (3*s12*s13*z4)/(4*s234*s34^2*z12) + (s13^2*z4)/(s234*s34^2*z12) + 
   (s13^3*z4)/(4*s12*s234*s34^2*z12) - (s12*s14*z4)/(4*s234*s34^2*z12) + 
   (5*s13*s14*z4)/(4*s234*s34^2*z12) + (s13^2*s14*z4)/(s12*s234*s34^2*z12) - 
   (s14^2*z4)/(4*s234*s34^2*z12) + (3*s13*s14^2*z4)/(4*s12*s234*s34^2*z12) + 
   (s12*s23*z4)/(4*s234*s34^2*z12) + (5*s13*s23*z4)/(4*s234*s34^2*z12) + 
   (s13^2*s23*z4)/(2*s12*s234*s34^2*z12) + (s13*s14*s23*z4)/
    (s12*s234*s34^2*z12) + (s23^2*z4)/(4*s234*s34^2*z12) + 
   (s13*s23^2*z4)/(4*s12*s234*s34^2*z12) + (s24*z4)/(s34^2*z12) + 
   (s13*s24*z4)/(s12*s34^2*z12) - (s12*s24*z4)/(4*s134*s34^2*z12) - 
   (5*s13*s24*z4)/(4*s134*s34^2*z12) - (s13^2*s24*z4)/(s12*s134*s34^2*z12) - 
   (s14*s24*z4)/(2*s134*s34^2*z12) - (3*s13*s14*s24*z4)/
    (2*s12*s134*s34^2*z12) + (s23*s24*z4)/(s12*s34^2*z12) - 
   (s13*s23*s24*z4)/(s12*s134*s34^2*z12) - (s12*s24*z4)/(4*s234*s34^2*z12) + 
   (5*s13*s24*z4)/(4*s234*s34^2*z12) + (s13^2*s24*z4)/(s12*s234*s34^2*z12) - 
   (s14*s24*z4)/(2*s234*s34^2*z12) + (3*s13*s14*s24*z4)/
    (2*s12*s234*s34^2*z12) + (s13*s23*s24*z4)/(s12*s234*s34^2*z12) - 
   (s24^2*z4)/(4*s134*s34^2*z12) - (3*s13*s24^2*z4)/(4*s12*s134*s34^2*z12) - 
   (s24^2*z4)/(4*s234*s34^2*z12) + (3*s13*s24^2*z4)/(4*s12*s234*s34^2*z12) + 
   (2*z4)/(s34*z12) + (s12*z4)/(s123*s34*z12) + (s12*z4)/(s124*s34*z12) + 
   (2*s13*z4)/(s12*s34*z12) + (s13*z4)/(s123*s34*z12) + 
   (2*s13*z4)/(s124*s34*z12) + (s13^2*z4)/(s12*s124*s34*z12) + 
   (s12*z4)/(2*s134*s34*z12) + (s13*z4)/(4*s134*s34*z12) - 
   (s12*s13*z4)/(s123*s134*s34*z12) + (s12*s13*z4)/(2*s124*s134*s34*z12) - 
   (s13^2*z4)/(4*s12*s134*s34*z12) - (2*s13^2*z4)/(s123*s134*s34*z12) + 
   (s13^2*z4)/(2*s124*s134*s34*z12) - (s13^3*z4)/(s12*s123*s134*s34*z12) + 
   (s14*z4)/(s12*s34*z12) + (s14*z4)/(s123*s34*z12) + 
   (2*s14*z4)/(s124*s34*z12) + (2*s13*s14*z4)/(s12*s124*s34*z12) + 
   (s14*z4)/(4*s134*s34*z12) - (3*s13*s14*z4)/(4*s12*s134*s34*z12) - 
   (s13*s14*z4)/(s123*s134*s34*z12) + (s13*s14*z4)/(s124*s134*s34*z12) - 
   (s13^2*s14*z4)/(s12*s123*s134*s34*z12) + 
   (s13^2*s14*z4)/(2*s12*s124*s134*s34*z12) + (s14^2*z4)/(s12*s124*s34*z12) + 
   (s13*s14^2*z4)/(2*s12*s124*s134*s34*z12) + (2*s23*z4)/(s12*s34*z12) + 
   (s23*z4)/(s123*s34*z12) + (2*s23*z4)/(s124*s34*z12) + 
   (2*s13*s23*z4)/(s12*s124*s34*z12) + (3*s23*z4)/(4*s134*s34*z12) - 
   (s13*s23*z4)/(4*s12*s134*s34*z12) - (2*s13*s23*z4)/(s123*s134*s34*z12) + 
   (s13*s23*z4)/(2*s124*s134*s34*z12) - (2*s13^2*s23*z4)/
    (s12*s123*s134*s34*z12) + (2*s14*s23*z4)/(s12*s124*s34*z12) - 
   (s13*s14*s23*z4)/(s12*s123*s134*s34*z12) + 
   (s13*s14*s23*z4)/(2*s12*s124*s134*s34*z12) + 
   (s23^2*z4)/(s12*s124*s34*z12) - (s13*s23^2*z4)/(s12*s123*s134*s34*z12) + 
   (3*s13*z4)/(4*s234*s34*z12) - (s12*s13*z4)/(2*s123*s234*s34*z12) + 
   (s12*s13*z4)/(s124*s234*s34*z12) + (s13^2*z4)/(4*s12*s234*s34*z12) - 
   (s13^2*z4)/(s123*s234*s34*z12) + (s13^2*z4)/(s124*s234*s34*z12) - 
   (s13^3*z4)/(2*s12*s123*s234*s34*z12) - (s14*z4)/(4*s234*s34*z12) + 
   (3*s13*s14*z4)/(4*s12*s234*s34*z12) - (s13*s14*z4)/(2*s123*s234*s34*z12) + 
   (2*s13*s14*z4)/(s124*s234*s34*z12) - (s13^2*s14*z4)/
    (2*s12*s123*s234*s34*z12) + (s13^2*s14*z4)/(s12*s124*s234*s34*z12) + 
   (s13*s14^2*z4)/(s12*s124*s234*s34*z12) + (s23*z4)/(4*s234*s34*z12) + 
   (s13*s23*z4)/(4*s12*s234*s34*z12) - (s13*s23*z4)/(s123*s234*s34*z12) + 
   (s13*s23*z4)/(s124*s234*s34*z12) - (s13^2*s23*z4)/
    (s12*s123*s234*s34*z12) - (s13*s14*s23*z4)/(2*s12*s123*s234*s34*z12) + 
   (s13*s14*s23*z4)/(s12*s124*s234*s34*z12) - 
   (s13*s23^2*z4)/(2*s12*s123*s234*s34*z12) + (s24*z4)/(s12*s34*z12) + 
   (s24*z4)/(s123*s34*z12) + (2*s24*z4)/(s124*s34*z12) + 
   (2*s13*s24*z4)/(s12*s124*s34*z12) + (s24*z4)/(4*s134*s34*z12) - 
   (3*s13*s24*z4)/(4*s12*s134*s34*z12) - (s13*s24*z4)/(s123*s134*s34*z12) + 
   (s13*s24*z4)/(s124*s134*s34*z12) - (s13^2*s24*z4)/
    (s12*s123*s134*s34*z12) + (s13^2*s24*z4)/(2*s12*s124*s134*s34*z12) + 
   (2*s14*s24*z4)/(s12*s124*s34*z12) + (s13*s14*s24*z4)/
    (s12*s124*s134*s34*z12) + (2*s23*s24*z4)/(s12*s124*s34*z12) - 
   (s13*s23*s24*z4)/(s12*s123*s134*s34*z12) + 
   (s13*s23*s24*z4)/(2*s12*s124*s134*s34*z12) - (s24*z4)/(4*s234*s34*z12) + 
   (3*s13*s24*z4)/(4*s12*s234*s34*z12) - (s13*s24*z4)/(2*s123*s234*s34*z12) + 
   (2*s13*s24*z4)/(s124*s234*s34*z12) - (s13^2*s24*z4)/
    (2*s12*s123*s234*s34*z12) + (s13^2*s24*z4)/(s12*s124*s234*s34*z12) + 
   (2*s13*s14*s24*z4)/(s12*s124*s234*s34*z12) - 
   (s13*s23*s24*z4)/(2*s12*s123*s234*s34*z12) + 
   (s13*s23*s24*z4)/(s12*s124*s234*s34*z12) + (s24^2*z4)/(s12*s124*s34*z12) + 
   (s13*s24^2*z4)/(2*s12*s124*s134*s34*z12) + 
   (s13*s24^2*z4)/(s12*s124*s234*s34*z12) + (s34*z4)/(2*s12*s124*z12) + 
   (s34*z4)/(s123*s124*z12) + (s13*s34*z4)/(s12*s123*s124*z12) + 
   (s23*s34*z4)/(s12*s123*s124*z12) - (2*s13*z3*z4)/(s12^2*z34^2) + 
   (z3*z4)/(s134*z34^2) - (s13*z3*z4)/(s12*s134*z34^2) - 
   (2*s14*z3*z4)/(s12^2*z34^2) - (s14*z3*z4)/(s12*s134*z34^2) + 
   (z3*z4)/(s234*z34^2) - (s13*z3*z4)/(s12*s234*z34^2) - 
   (s14*z3*z4)/(s12*s234*z34^2) + (2*s13*z3*z4)/(s34^2*z34^2) - 
   (2*s13^3*z3*z4)/(s12^2*s34^2*z34^2) + (s12*s13*z3*z4)/(s134*s34^2*z34^2) - 
   (s13^3*z3*z4)/(s12*s134*s34^2*z34^2) + (2*s14*z3*z4)/(s34^2*z34^2) - 
   (6*s13^2*s14*z3*z4)/(s12^2*s34^2*z34^2) + 
   (s12*s14*z3*z4)/(s134*s34^2*z34^2) - (3*s13^2*s14*z3*z4)/
    (s12*s134*s34^2*z34^2) - (6*s13*s14^2*z3*z4)/(s12^2*s34^2*z34^2) - 
   (3*s13*s14^2*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (2*s14^3*z3*z4)/(s12^2*s34^2*z34^2) - (s14^3*z3*z4)/
    (s12*s134*s34^2*z34^2) + (2*s23*z3*z4)/(s34^2*z34^2) + 
   (4*s13*s23*z3*z4)/(s12*s34^2*z34^2) - (2*s13^2*s23*z3*z4)/
    (s12^2*s34^2*z34^2) + (s13*s23*z3*z4)/(s134*s34^2*z34^2) - 
   (s13^2*s23*z3*z4)/(s12*s134*s34^2*z34^2) + 
   (4*s14*s23*z3*z4)/(s12*s34^2*z34^2) - (4*s13*s14*s23*z3*z4)/
    (s12^2*s34^2*z34^2) + (s14*s23*z3*z4)/(s134*s34^2*z34^2) - 
   (2*s13*s14*s23*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (2*s14^2*s23*z3*z4)/(s12^2*s34^2*z34^2) - (s14^2*s23*z3*z4)/
    (s12*s134*s34^2*z34^2) + (2*s23^2*z3*z4)/(s12*s34^2*z34^2) + 
   (s12*s23*z3*z4)/(s234*s34^2*z34^2) - (s13^2*s23*z3*z4)/
    (s12*s234*s34^2*z34^2) - (2*s13*s14*s23*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (s14^2*s23*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (s23^2*z3*z4)/(s234*s34^2*z34^2) - (s13*s23^2*z3*z4)/
    (s12*s234*s34^2*z34^2) - (s14*s23^2*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (2*s24*z3*z4)/(s34^2*z34^2) + (4*s13*s24*z3*z4)/(s12*s34^2*z34^2) - 
   (2*s13^2*s24*z3*z4)/(s12^2*s34^2*z34^2) + 
   (s13*s24*z3*z4)/(s134*s34^2*z34^2) - (s13^2*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) + (4*s14*s24*z3*z4)/(s12*s34^2*z34^2) - 
   (4*s13*s14*s24*z3*z4)/(s12^2*s34^2*z34^2) + 
   (s14*s24*z3*z4)/(s134*s34^2*z34^2) - (2*s13*s14*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) - (2*s14^2*s24*z3*z4)/(s12^2*s34^2*z34^2) - 
   (s14^2*s24*z3*z4)/(s12*s134*s34^2*z34^2) + 
   (4*s23*s24*z3*z4)/(s12*s34^2*z34^2) + (s12*s24*z3*z4)/(s234*s34^2*z34^2) - 
   (s13^2*s24*z3*z4)/(s12*s234*s34^2*z34^2) - (2*s13*s14*s24*z3*z4)/
    (s12*s234*s34^2*z34^2) - (s14^2*s24*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (2*s23*s24*z3*z4)/(s234*s34^2*z34^2) - (2*s13*s23*s24*z3*z4)/
    (s12*s234*s34^2*z34^2) - (2*s14*s23*s24*z3*z4)/(s12*s234*s34^2*z34^2) + 
   (2*s24^2*z3*z4)/(s12*s34^2*z34^2) + (s24^2*z3*z4)/(s234*s34^2*z34^2) - 
   (s13*s24^2*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (s14*s24^2*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (4*s13^2*z3*z4)/(s12^2*s34*z34^2) + (s12*z3*z4)/(s134*s34*z34^2) + 
   (s13*z3*z4)/(s134*s34*z34^2) - (2*s13^2*z3*z4)/(s12*s134*s34*z34^2) - 
   (8*s13*s14*z3*z4)/(s12^2*s34*z34^2) + (s14*z3*z4)/(s134*s34*z34^2) - 
   (4*s13*s14*z3*z4)/(s12*s134*s34*z34^2) - (4*s14^2*z3*z4)/
    (s12^2*s34*z34^2) - (2*s14^2*z3*z4)/(s12*s134*s34*z34^2) + 
   (2*s23*z3*z4)/(s12*s34*z34^2) - (2*s13*s23*z3*z4)/(s12^2*s34*z34^2) + 
   (s23*z3*z4)/(s134*s34*z34^2) - (s13*s23*z3*z4)/(s12*s134*s34*z34^2) - 
   (2*s14*s23*z3*z4)/(s12^2*s34*z34^2) - (s14*s23*z3*z4)/
    (s12*s134*s34*z34^2) + (s12*z3*z4)/(s234*s34*z34^2) - 
   (s13^2*z3*z4)/(s12*s234*s34*z34^2) - (2*s13*s14*z3*z4)/
    (s12*s234*s34*z34^2) - (s14^2*z3*z4)/(s12*s234*s34*z34^2) + 
   (2*s23*z3*z4)/(s234*s34*z34^2) - (2*s13*s23*z3*z4)/(s12*s234*s34*z34^2) - 
   (2*s14*s23*z3*z4)/(s12*s234*s34*z34^2) + (2*s24*z3*z4)/(s12*s34*z34^2) - 
   (2*s13*s24*z3*z4)/(s12^2*s34*z34^2) + (s24*z3*z4)/(s134*s34*z34^2) - 
   (s13*s24*z3*z4)/(s12*s134*s34*z34^2) - (2*s14*s24*z3*z4)/
    (s12^2*s34*z34^2) - (s14*s24*z3*z4)/(s12*s134*s34*z34^2) + 
   (2*s24*z3*z4)/(s234*s34*z34^2) - (2*s13*s24*z3*z4)/(s12*s234*s34*z34^2) - 
   (2*s14*s24*z3*z4)/(s12*s234*s34*z34^2) + (4*z1*z3*z4)/(s12*z12*z34^2) + 
   (2*s13*z1*z3*z4)/(s12^2*z12*z34^2) + (2*z1*z3*z4)/(s134*z12*z34^2) + 
   (s13*z1*z3*z4)/(s12*s134*z12*z34^2) + (2*s14*z1*z3*z4)/(s12^2*z12*z34^2) + 
   (s14*z1*z3*z4)/(s12*s134*z12*z34^2) + (4*s23*z1*z3*z4)/(s12^2*z12*z34^2) + 
   (s23*z1*z3*z4)/(s12*s134*z12*z34^2) + (2*z1*z3*z4)/(s234*z12*z34^2) + 
   (s13*z1*z3*z4)/(s12*s234*z12*z34^2) + (s14*z1*z3*z4)/
    (s12*s234*z12*z34^2) + (s23*z1*z3*z4)/(s12*s234*z12*z34^2) + 
   (4*s24*z1*z3*z4)/(s12^2*z12*z34^2) + (s24*z1*z3*z4)/(s12*s134*z12*z34^2) + 
   (s24*z1*z3*z4)/(s12*s234*z12*z34^2) + (4*s13*z1*z3*z4)/(s34^2*z12*z34^2) + 
   (6*s13^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (2*s13^3*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s12*s13*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (3*s13^2*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (s13^3*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (4*s14*z1*z3*z4)/(s34^2*z12*z34^2) + (12*s13*s14*z1*z3*z4)/
    (s12*s34^2*z12*z34^2) + (6*s13^2*s14*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s12*s14*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (6*s13*s14*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (3*s13^2*s14*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (6*s14^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (6*s13*s14^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s14^2*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (3*s13*s14^2*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (2*s14^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (s14^3*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (2*s23*z1*z3*z4)/(s34^2*z12*z34^2) + (10*s13*s23*z1*z3*z4)/
    (s12*s34^2*z12*z34^2) + (6*s13^2*s23*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (3*s13*s23*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (2*s13^2*s23*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (10*s14*s23*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (12*s13*s14*s23*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s14*s23*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (4*s13*s14*s23*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (6*s14^2*s23*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s14^2*s23*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (4*s23^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (6*s13*s23^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s13*s23^2*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s14*s23^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s14*s23^2*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (2*s23^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s12*s23*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (3*s13*s23*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (s13^2*s23*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s14*s23*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (2*s13*s14*s23*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (s14^2*s23*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s23^2*z1*z3*z4)/(s234*s34^2*z12*z34^2) + (2*s13*s23^2*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) + (2*s14*s23^2*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) + (s23^3*z1*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) + (2*s24*z1*z3*z4)/(s34^2*z12*z34^2) + 
   (10*s13*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) + 
   (6*s13^2*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (3*s13*s24*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (2*s13^2*s24*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (10*s14*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (12*s13*s14*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s14*s24*z1*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (4*s13*s14*s24*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (6*s14^2*s24*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s14^2*s24*z1*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (8*s23*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (12*s13*s23*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s13*s23*s24*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (12*s14*s23*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s14*s23*s24*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s23^2*s24*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s12*s24*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (3*s13*s24*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (s13^2*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s14*s24*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (2*s13*s14*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (s14^2*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (6*s23*s24*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (4*s13*s23*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (4*s14*s23*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s23^2*s24*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (4*s24^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (6*s13*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s13*s24^2*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s14*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s14*s24^2*z1*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s23*s24^2*z1*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s24^2*z1*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (2*s13*s24^2*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (2*s14*s24^2*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s23*s24^2*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (2*s24^3*z1*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (s24^3*z1*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (4*z1*z3*z4)/(s34*z12*z34^2) + (10*s13*z1*z3*z4)/(s12*s34*z12*z34^2) + 
   (4*s13^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s12*z1*z3*z4)/(s134*s34*z12*z34^2) + (5*s13*z1*z3*z4)/
    (s134*s34*z12*z34^2) + (2*s13^2*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (10*s14*z1*z3*z4)/(s12*s34*z12*z34^2) + (8*s13*s14*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) + (5*s14*z1*z3*z4)/(s134*s34*z12*z34^2) + 
   (4*s13*s14*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (4*s14^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + (2*s14^2*z1*z3*z4)/
    (s12*s134*s34*z12*z34^2) + (10*s23*z1*z3*z4)/(s12*s34*z12*z34^2) + 
   (10*s13*s23*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (3*s23*z1*z3*z4)/(s134*s34*z12*z34^2) + (3*s13*s23*z1*z3*z4)/
    (s12*s134*s34*z12*z34^2) + (10*s14*s23*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (3*s14*s23*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (6*s23^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (s23^2*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (2*s12*z1*z3*z4)/(s234*s34*z12*z34^2) + (3*s13*z1*z3*z4)/
    (s234*s34*z12*z34^2) + (s13^2*z1*z3*z4)/(s12*s234*s34*z12*z34^2) + 
   (3*s14*z1*z3*z4)/(s234*s34*z12*z34^2) + (2*s13*s14*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (s14^2*z1*z3*z4)/(s12*s234*s34*z12*z34^2) + 
   (5*s23*z1*z3*z4)/(s234*s34*z12*z34^2) + (3*s13*s23*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (3*s14*s23*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (2*s23^2*z1*z3*z4)/(s12*s234*s34*z12*z34^2) + 
   (10*s24*z1*z3*z4)/(s12*s34*z12*z34^2) + (10*s13*s24*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) + (3*s24*z1*z3*z4)/(s134*s34*z12*z34^2) + 
   (3*s13*s24*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (10*s14*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (3*s14*s24*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (12*s23*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s23*s24*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (5*s24*z1*z3*z4)/(s234*s34*z12*z34^2) + (3*s13*s24*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (3*s14*s24*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (4*s23*s24*z1*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (6*s24^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (s24^2*z1*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (2*s24^2*z1*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (8*z1*z2*z3*z4)/(s12*z12^2*z34^2) - (4*s13*z1*z2*z3*z4)/
    (s12^2*z12^2*z34^2) - (4*s14*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) - 
   (4*s23*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) - (4*s24*z1*z2*z3*z4)/
    (s12^2*z12^2*z34^2) - (4*s13*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - 
   (6*s13^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (2*s13^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (4*s14*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - (12*s13*s14*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13^2*s14*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s14^2*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13*s14^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (2*s14^3*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (4*s23*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - 
   (12*s13*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (6*s13^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (12*s14*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (12*s13*s14*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (6*s14^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (6*s23^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (6*s13*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (6*s14*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (2*s23^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (4*s24*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - (12*s13*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (12*s14*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (12*s13*s14*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s14^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (12*s23*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (12*s13*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (12*s14*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s23^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s24^2*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s14*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s23*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (2*s24^3*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (8*z1*z2*z3*z4)/(s34*z12^2*z34^2) - 
   (16*s13*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - (6*s13^2*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (16*s14*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - 
   (12*s13*s14*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (6*s14^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (16*s23*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - (12*s13*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (12*s14*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (6*s23^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (16*s24*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - (12*s13*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (12*s14*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (12*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (6*s24^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (2*s13*z2*z3*z4)/(s12^2*z12*z34^2) + (2*s14*z2*z3*z4)/(s12^2*z12*z34^2) - 
   (2*s13*z2*z3*z4)/(s34^2*z12*z34^2) - (2*s13^2*z2*z3*z4)/
    (s12*s34^2*z12*z34^2) - (2*s14*z2*z3*z4)/(s34^2*z12*z34^2) - 
   (4*s13*s14*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s14^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) - (2*s13*s23*z2*z3*z4)/
    (s12*s34^2*z12*z34^2) - (2*s14*s23*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s13*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s14*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) + 
   (2*s13^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) + (4*s13*s14*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) + (2*s14^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s13*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s14*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s13*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s14*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) - (2*z3^2*z4)/(s12*z12*z34^2) + 
   (2*s12*z3^2*z4)/(s34^2*z12*z34^2) + (2*s13*z3^2*z4)/(s34^2*z12*z34^2) + 
   (2*s14*z3^2*z4)/(s34^2*z12*z34^2) + (2*s23*z3^2*z4)/(s34^2*z12*z34^2) + 
   (2*s24*z3^2*z4)/(s34^2*z12*z34^2) - (2*s13*z3^2*z4)/(s12*s34*z12*z34^2) - 
   (2*s14*z3^2*z4)/(s12*s34*z12*z34^2) - (2*s23*z3^2*z4)/
    (s12*s34*z12*z34^2) - (2*s24*z3^2*z4)/(s12*s34*z12*z34^2) + 
   z4/(s12*z34) + (s13*z4)/(s12^2*z34) + (s13*z4)/(4*s12*s123*z34) - 
   (3*s13*z4)/(4*s12*s124*z34) + (9*s13^2*z4)/(4*s12^2*s123*z34) + 
   (s13^2*z4)/(4*s12^2*s124*z34) - (s12*z4)/(s123*s134*z34) + 
   (s12*z4)/(2*s124*s134*z34) + (s13*z4)/(s12*s134*z34) + 
   (s13*z4)/(s124*s134*z34) + (4*s13^2*z4)/(s12*s123*s134*z34) + 
   (2*s14*z4)/(s12^2*z34) - (s14*z4)/(4*s12*s123*z34) + 
   (s14*z4)/(4*s12*s124*z34) + (9*s13*s14*z4)/(4*s12^2*s123*z34) + 
   (9*s13*s14*z4)/(4*s12^2*s124*z34) + (2*s14*z4)/(s12*s134*z34) - 
   (2*s14*z4)/(s123*s134*z34) + (4*s13*s14*z4)/(s12*s123*s134*z34) - 
   (2*s13*s14*z4)/(s12*s124*s134*z34) + (2*s14^2*z4)/(s12^2*s124*z34) - 
   (2*s14^2*z4)/(s12*s124*s134*z34) - (3*s23*z4)/(4*s12*s123*z34) - 
   (3*s23*z4)/(4*s12*s124*z34) + (3*s13*s23*z4)/(4*s12^2*s123*z34) - 
   (s13*s23*z4)/(4*s12^2*s124*z34) - (s23*z4)/(s123*s134*z34) + 
   (s23*z4)/(2*s124*s134*z34) + (2*s13*s23*z4)/(s12*s123*s134*z34) - 
   (s14*s23*z4)/(2*s12^2*s123*z34) + (3*s14*s23*z4)/(2*s12^2*s124*z34) - 
   (s14*s23*z4)/(s12*s124*s134*z34) + (s12*z4)/(2*s123*s234*z34) - 
   (s12*z4)/(s124*s234*z34) - (s13*z4)/(2*s123*s234*z34) - 
   (s13*z4)/(s124*s234*z34) - (s13^2*z4)/(s12*s123*s234*z34) + 
   (s14*z4)/(s12*s234*z34) + (s14*z4)/(2*s123*s234*z34) + 
   (s14*z4)/(s124*s234*z34) - (s13*s14*z4)/(s12*s123*s234*z34) + 
   (2*s13*s14*z4)/(s12*s124*s234*z34) + (s14*z4)/(s134*s234*z34) + 
   (2*s14^2*z4)/(s12*s124*s234*z34) + (s23*z4)/(s123*s234*z34) - 
   (2*s23*z4)/(s124*s234*z34) - (2*s13*s23*z4)/(s12*s123*s234*z34) + 
   (4*s14*s23*z4)/(s12*s124*s234*z34) - (s24*z4)/(4*s12*s123*z34) - 
   (3*s24*z4)/(4*s12*s124*z34) + (5*s13*s24*z4)/(4*s12^2*s123*z34) - 
   (3*s13*s24*z4)/(4*s12^2*s124*z34) - (s24*z4)/(s123*s134*z34) + 
   (s24*z4)/(2*s124*s134*z34) + (2*s13*s24*z4)/(s12*s123*s134*z34) + 
   (s14*s24*z4)/(s12^2*s124*z34) - (s14*s24*z4)/(s12*s124*s134*z34) + 
   (s24*z4)/(s123*s234*z34) - (2*s24*z4)/(s124*s234*z34) - 
   (2*s13*s24*z4)/(s12*s123*s234*z34) + (4*s14*s24*z4)/(s12*s124*s234*z34) - 
   (2*s13*z4)/(s34^2*z34) + (2*s13^3*z4)/(s12^2*s34^2*z34) - 
   (s12*s13*z4)/(s134*s34^2*z34) + (s13^3*z4)/(s12*s134*s34^2*z34) - 
   (s14*z4)/(s34^2*z34) + (s13*s14*z4)/(s12*s34^2*z34) + 
   (6*s13^2*s14*z4)/(s12^2*s34^2*z34) - (s12*s14*z4)/(2*s134*s34^2*z34) + 
   (3*s13*s14*z4)/(2*s134*s34^2*z34) + (4*s13^2*s14*z4)/
    (s12*s134*s34^2*z34) + (s14^2*z4)/(s12*s34^2*z34) + 
   (6*s13*s14^2*z4)/(s12^2*s34^2*z34) + (3*s14^2*z4)/(2*s134*s34^2*z34) + 
   (5*s13*s14^2*z4)/(s12*s134*s34^2*z34) + (2*s14^3*z4)/(s12^2*s34^2*z34) + 
   (2*s14^3*z4)/(s12*s134*s34^2*z34) - (2*s23*z4)/(s34^2*z34) - 
   (4*s13*s23*z4)/(s12*s34^2*z34) + (2*s13^2*s23*z4)/(s12^2*s34^2*z34) - 
   (s13*s23*z4)/(s134*s34^2*z34) + (s13^2*s23*z4)/(s12*s134*s34^2*z34) - 
   (2*s14*s23*z4)/(s12*s34^2*z34) + (5*s13*s14*s23*z4)/(s12^2*s34^2*z34) + 
   (s14*s23*z4)/(2*s134*s34^2*z34) + (4*s13*s14*s23*z4)/
    (s12*s134*s34^2*z34) + (3*s14^2*s23*z4)/(s12^2*s34^2*z34) + 
   (3*s14^2*s23*z4)/(s12*s134*s34^2*z34) - (2*s23^2*z4)/(s12*s34^2*z34) + 
   (s14*s23^2*z4)/(s12^2*s34^2*z34) + (s14*s23^2*z4)/(s12*s134*s34^2*z34) - 
   (s12*s23*z4)/(s234*s34^2*z34) + (s13^2*s23*z4)/(s12*s234*s34^2*z34) + 
   (2*s13*s14*s23*z4)/(s12*s234*s34^2*z34) + (s12*s14*s23*z4)/
    (s134*s234*s34^2*z34) + (s13*s14*s23*z4)/(s134*s234*s34^2*z34) + 
   (s14^2*s23*z4)/(s12*s234*s34^2*z34) + (s14^2*s23*z4)/
    (s134*s234*s34^2*z34) - (s23^2*z4)/(s234*s34^2*z34) + 
   (s13*s23^2*z4)/(s12*s234*s34^2*z34) + (s14*s23^2*z4)/
    (s12*s234*s34^2*z34) + (s14*s23^2*z4)/(s134*s234*s34^2*z34) - 
   (s24*z4)/(s34^2*z34) - (4*s13*s24*z4)/(s12*s34^2*z34) + 
   (s13^2*s24*z4)/(s12^2*s34^2*z34) - (3*s13*s24*z4)/(2*s134*s34^2*z34) + 
   (s13^2*s24*z4)/(2*s12*s134*s34^2*z34) - (2*s14*s24*z4)/(s12*s34^2*z34) + 
   (3*s13*s14*s24*z4)/(s12^2*s34^2*z34) + (3*s13*s14*s24*z4)/
    (s12*s134*s34^2*z34) + (2*s14^2*s24*z4)/(s12^2*s34^2*z34) + 
   (5*s14^2*s24*z4)/(2*s12*s134*s34^2*z34) - (3*s23*s24*z4)/(s12*s34^2*z34) - 
   (s13*s23*s24*z4)/(s12^2*s34^2*z34) - (s13*s23*s24*z4)/
    (2*s12*s134*s34^2*z34) + (s14*s23*s24*z4)/(s12^2*s34^2*z34) + 
   (3*s14*s23*s24*z4)/(2*s12*s134*s34^2*z34) - 
   (s12*s24*z4)/(2*s234*s34^2*z34) + (s13^2*s24*z4)/(2*s12*s234*s34^2*z34) + 
   (s13*s14*s24*z4)/(s12*s234*s34^2*z34) + (s12*s14*s24*z4)/
    (s134*s234*s34^2*z34) + (s13*s14*s24*z4)/(s134*s234*s34^2*z34) + 
   (s14^2*s24*z4)/(2*s12*s234*s34^2*z34) + 
   (s14^2*s24*z4)/(s134*s234*s34^2*z34) - (3*s23*s24*z4)/(2*s234*s34^2*z34) + 
   (3*s13*s23*s24*z4)/(2*s12*s234*s34^2*z34) + 
   (3*s14*s23*s24*z4)/(2*s12*s234*s34^2*z34) + 
   (2*s14*s23*s24*z4)/(s134*s234*s34^2*z34) - (s24^2*z4)/(s12*s34^2*z34) - 
   (s13*s24^2*z4)/(s12^2*s34^2*z34) - (s13*s24^2*z4)/(2*s12*s134*s34^2*z34) + 
   (s14*s24^2*z4)/(2*s12*s134*s34^2*z34) - (s24^2*z4)/(2*s234*s34^2*z34) + 
   (s13*s24^2*z4)/(2*s12*s234*s34^2*z34) + 
   (s14*s24^2*z4)/(2*s12*s234*s34^2*z34) + 
   (s14*s24^2*z4)/(s134*s234*s34^2*z34) + z4/(s34*z34) - 
   (3*s13*z4)/(4*s123*s34*z34) - (3*s13*z4)/(4*s124*s34*z34) + 
   (3*s13^2*z4)/(s12^2*s34*z34) + (s13^2*z4)/(2*s12*s123*s34*z34) - 
   (s13^2*z4)/(2*s12*s124*s34*z34) + (5*s13^3*z4)/(4*s12^2*s123*s34*z34) + 
   (s13^3*z4)/(4*s12^2*s124*s34*z34) - (s12*s13*z4)/(s123*s134*s34*z34) + 
   (s12*s13*z4)/(2*s124*s134*s34*z34) + (2*s13^2*z4)/(s12*s134*s34*z34) + 
   (s13^2*z4)/(s123*s134*s34*z34) + (s13^2*z4)/(2*s124*s134*s34*z34) + 
   (2*s13^3*z4)/(s12*s123*s134*s34*z34) + (2*s14*z4)/(s12*s34*z34) - 
   (s14*z4)/(4*s123*s34*z34) - (3*s14*z4)/(4*s124*s34*z34) + 
   (7*s13*s14*z4)/(s12^2*s34*z34) + (s13*s14*z4)/(4*s12*s123*s34*z34) - 
   (s13*s14*z4)/(4*s12*s124*s34*z34) + (5*s13^2*s14*z4)/
    (2*s12^2*s123*s34*z34) + (3*s13^2*s14*z4)/(2*s12^2*s124*s34*z34) + 
   (3*s14*z4)/(2*s134*s34*z34) - (s12*s14*z4)/(s123*s134*s34*z34) + 
   (s12*s14*z4)/(2*s124*s134*s34*z34) + (6*s13*s14*z4)/(s12*s134*s34*z34) + 
   (4*s13^2*s14*z4)/(s12*s123*s134*s34*z34) - 
   (s13^2*s14*z4)/(s12*s124*s134*s34*z34) + (4*s14^2*z4)/(s12^2*s34*z34) - 
   (s14^2*z4)/(4*s12*s123*s34*z34) + (s14^2*z4)/(4*s12*s124*s34*z34) + 
   (5*s13*s14^2*z4)/(4*s12^2*s123*s34*z34) + (9*s13*s14^2*z4)/
    (4*s12^2*s124*s34*z34) + (4*s14^2*z4)/(s12*s134*s34*z34) - 
   (s14^2*z4)/(s123*s134*s34*z34) - (s14^2*z4)/(2*s124*s134*s34*z34) + 
   (2*s13*s14^2*z4)/(s12*s123*s134*s34*z34) - 
   (2*s13*s14^2*z4)/(s12*s124*s134*s34*z34) + 
   (s14^3*z4)/(s12^2*s124*s34*z34) - (s14^3*z4)/(s12*s124*s134*s34*z34) - 
   (s23*z4)/(s12*s34*z34) - (3*s23*z4)/(4*s123*s34*z34) - 
   (3*s23*z4)/(4*s124*s34*z34) + (s13*s23*z4)/(s12^2*s34*z34) - 
   (7*s13*s23*z4)/(4*s12*s123*s34*z34) - (7*s13*s23*z4)/
    (4*s12*s124*s34*z34) + (s13^2*s23*z4)/(s12^2*s123*s34*z34) + 
   (s13*s23*z4)/(s12*s134*s34*z34) - (s13*s23*z4)/(s123*s134*s34*z34) + 
   (s13*s23*z4)/(2*s124*s134*s34*z34) + (2*s13^2*s23*z4)/
    (s12*s123*s134*s34*z34) + (3*s14*s23*z4)/(s12^2*s34*z34) - 
   (3*s14*s23*z4)/(2*s12*s123*s34*z34) - (s14*s23*z4)/(s12*s124*s34*z34) + 
   (s13*s14*s23*z4)/(2*s12^2*s123*s34*z34) + (3*s13*s14*s23*z4)/
    (2*s12^2*s124*s34*z34) + (3*s14*s23*z4)/(s12*s134*s34*z34) - 
   (s14*s23*z4)/(s123*s134*s34*z34) + (s14*s23*z4)/(2*s124*s134*s34*z34) + 
   (2*s13*s14*s23*z4)/(s12*s123*s134*s34*z34) - 
   (s13*s14*s23*z4)/(s12*s124*s134*s34*z34) - 
   (s14^2*s23*z4)/(2*s12^2*s123*s34*z34) + (3*s14^2*s23*z4)/
    (2*s12^2*s124*s34*z34) - (s14^2*s23*z4)/(s12*s124*s134*s34*z34) - 
   (3*s23^2*z4)/(4*s12*s123*s34*z34) - (3*s23^2*z4)/(4*s12*s124*s34*z34) - 
   (s13*s23^2*z4)/(4*s12^2*s123*s34*z34) - 
   (s13*s23^2*z4)/(4*s12^2*s124*s34*z34) - 
   (s14*s23^2*z4)/(2*s12^2*s123*s34*z34) + 
   (s14*s23^2*z4)/(2*s12^2*s124*s34*z34) + (s14*z4)/(s234*s34*z34) + 
   (s13*s14*z4)/(s12*s234*s34*z34) + (s12*s14*z4)/(s134*s234*s34*z34) + 
   (s13*s14*z4)/(s134*s234*s34*z34) + (s14^2*z4)/(s12*s234*s34*z34) + 
   (s14^2*z4)/(s134*s234*s34*z34) - (s23*z4)/(s234*s34*z34) + 
   (s12*s23*z4)/(2*s123*s234*s34*z34) - (s12*s23*z4)/(s124*s234*s34*z34) + 
   (s13*s23*z4)/(s12*s234*s34*z34) - (s13*s23*z4)/(2*s123*s234*s34*z34) - 
   (s13*s23*z4)/(s124*s234*s34*z34) - (s13^2*s23*z4)/
    (s12*s123*s234*s34*z34) + (2*s14*s23*z4)/(s12*s234*s34*z34) + 
   (s14*s23*z4)/(2*s123*s234*s34*z34) + (s14*s23*z4)/(s124*s234*s34*z34) - 
   (s13*s14*s23*z4)/(s12*s123*s234*s34*z34) + (2*s13*s14*s23*z4)/
    (s12*s124*s234*s34*z34) + (2*s14*s23*z4)/(s134*s234*s34*z34) + 
   (2*s14^2*s23*z4)/(s12*s124*s234*s34*z34) + 
   (s23^2*z4)/(2*s123*s234*s34*z34) - (s23^2*z4)/(s124*s234*s34*z34) - 
   (s13*s23^2*z4)/(s12*s123*s234*s34*z34) + (2*s14*s23^2*z4)/
    (s12*s124*s234*s34*z34) - (s24*z4)/(4*s123*s34*z34) - 
   (3*s24*z4)/(4*s124*s34*z34) - (3*s13*s24*z4)/(4*s12*s123*s34*z34) - 
   (9*s13*s24*z4)/(4*s12*s124*s34*z34) + (3*s13^2*s24*z4)/
    (2*s12^2*s123*s34*z34) - (s13^2*s24*z4)/(2*s12^2*s124*s34*z34) + 
   (s13*s24*z4)/(2*s12*s134*s34*z34) - (s13*s24*z4)/(s123*s134*s34*z34) + 
   (s13*s24*z4)/(2*s124*s134*s34*z34) + (2*s13^2*s24*z4)/
    (s12*s123*s134*s34*z34) + (2*s14*s24*z4)/(s12^2*s34*z34) - 
   (s14*s24*z4)/(2*s12*s123*s34*z34) - (3*s14*s24*z4)/(2*s12*s124*s34*z34) + 
   (3*s13*s14*s24*z4)/(2*s12^2*s123*s34*z34) + 
   (s13*s14*s24*z4)/(2*s12^2*s124*s34*z34) + 
   (5*s14*s24*z4)/(2*s12*s134*s34*z34) - (s14*s24*z4)/(s123*s134*s34*z34) + 
   (s14*s24*z4)/(2*s124*s134*s34*z34) + (2*s13*s14*s24*z4)/
    (s12*s123*s134*s34*z34) - (s13*s14*s24*z4)/(s12*s124*s134*s34*z34) + 
   (s14^2*s24*z4)/(s12^2*s124*s34*z34) - (s14^2*s24*z4)/
    (s12*s124*s134*s34*z34) - (s23*s24*z4)/(s12*s123*s34*z34) - 
   (3*s23*s24*z4)/(2*s12*s124*s34*z34) - (s13*s23*s24*z4)/
    (s12^2*s124*s34*z34) - (s14*s23*s24*z4)/(2*s12^2*s123*s34*z34) + 
   (s14*s23*s24*z4)/(2*s12^2*s124*s34*z34) - (s24*z4)/(2*s234*s34*z34) + 
   (s12*s24*z4)/(2*s123*s234*s34*z34) - (s12*s24*z4)/(s124*s234*s34*z34) + 
   (s13*s24*z4)/(2*s12*s234*s34*z34) - (s13*s24*z4)/(2*s123*s234*s34*z34) - 
   (s13*s24*z4)/(s124*s234*s34*z34) - (s13^2*s24*z4)/
    (s12*s123*s234*s34*z34) + (3*s14*s24*z4)/(2*s12*s234*s34*z34) + 
   (s14*s24*z4)/(2*s123*s234*s34*z34) + (s14*s24*z4)/(s124*s234*s34*z34) - 
   (s13*s14*s24*z4)/(s12*s123*s234*s34*z34) + (2*s13*s14*s24*z4)/
    (s12*s124*s234*s34*z34) + (2*s14*s24*z4)/(s134*s234*s34*z34) + 
   (2*s14^2*s24*z4)/(s12*s124*s234*s34*z34) + 
   (s23*s24*z4)/(s123*s234*s34*z34) - (2*s23*s24*z4)/(s124*s234*s34*z34) - 
   (2*s13*s23*s24*z4)/(s12*s123*s234*s34*z34) + 
   (4*s14*s23*s24*z4)/(s12*s124*s234*s34*z34) - 
   (s24^2*z4)/(4*s12*s123*s34*z34) - (3*s24^2*z4)/(4*s12*s124*s34*z34) + 
   (s13*s24^2*z4)/(4*s12^2*s123*s34*z34) - (3*s13*s24^2*z4)/
    (4*s12^2*s124*s34*z34) + (s24^2*z4)/(2*s123*s234*s34*z34) - 
   (s24^2*z4)/(s124*s234*s34*z34) - (s13*s24^2*z4)/(s12*s123*s234*s34*z34) + 
   (2*s14*s24^2*z4)/(s12*s124*s234*s34*z34) + (s13*s34*z4)/(s12^2*s123*z34) - 
   (s34*z4)/(s123*s134*z34) + (s34*z4)/(2*s124*s134*z34) + 
   (2*s13*s34*z4)/(s12*s123*s134*z34) + (s14*s34*z4)/(s12^2*s124*z34) - 
   (s14*s34*z4)/(s12*s124*s134*z34) + (s34*z4)/(2*s123*s234*z34) - 
   (s34*z4)/(s124*s234*z34) - (s13*s34*z4)/(s12*s123*s234*z34) + 
   (2*s14*s34*z4)/(s12*s124*s234*z34) - (3*z1*z4)/(s12*z12*z34) - 
   (3*z1*z4)/(2*s123*z12*z34) - (z1*z4)/(2*s124*z12*z34) - 
   (s13*z1*z4)/(s12^2*z12*z34) - (17*s13*z1*z4)/(4*s12*s123*z12*z34) - 
   (7*s13*z1*z4)/(4*s12*s124*z12*z34) - (9*s13^2*z1*z4)/
    (4*s12^2*s123*z12*z34) - (s13^2*z1*z4)/(4*s12^2*s124*z12*z34) - 
   (z1*z4)/(2*s134*z12*z34) - (2*s12*z1*z4)/(s123*s134*z12*z34) + 
   (s12*z1*z4)/(s124*s134*z12*z34) - (s13*z1*z4)/(4*s12*s134*z12*z34) - 
   (6*s13*z1*z4)/(s123*s134*z12*z34) + (2*s13*z1*z4)/(s124*s134*z12*z34) - 
   (4*s13^2*z1*z4)/(s12*s123*s134*z12*z34) - (2*s14*z1*z4)/(s12^2*z12*z34) - 
   (11*s14*z1*z4)/(4*s12*s123*z12*z34) - (9*s14*z1*z4)/(4*s12*s124*z12*z34) - 
   (9*s13*s14*z1*z4)/(4*s12^2*s123*z12*z34) - 
   (9*s13*s14*z1*z4)/(4*s12^2*s124*z12*z34) - 
   (3*s14*z1*z4)/(4*s12*s134*z12*z34) - (4*s14*z1*z4)/(s123*s134*z12*z34) + 
   (3*s14*z1*z4)/(s124*s134*z12*z34) - (4*s13*s14*z1*z4)/
    (s12*s123*s134*z12*z34) + (2*s13*s14*z1*z4)/(s12*s124*s134*z12*z34) - 
   (2*s14^2*z1*z4)/(s12^2*s124*z12*z34) + (2*s14^2*z1*z4)/
    (s12*s124*s134*z12*z34) - (2*s23*z1*z4)/(s12^2*z12*z34) - 
   (17*s23*z1*z4)/(4*s12*s123*z12*z34) - (3*s23*z1*z4)/(4*s12*s124*z12*z34) - 
   (21*s13*s23*z1*z4)/(4*s12^2*s123*z12*z34) - 
   (s13*s23*z1*z4)/(4*s12^2*s124*z12*z34) - 
   (s23*z1*z4)/(4*s12*s134*z12*z34) - (4*s23*z1*z4)/(s123*s134*z12*z34) + 
   (s23*z1*z4)/(s124*s134*z12*z34) - (6*s13*s23*z1*z4)/
    (s12*s123*s134*z12*z34) - (7*s14*s23*z1*z4)/(2*s12^2*s123*z12*z34) - 
   (3*s14*s23*z1*z4)/(2*s12^2*s124*z12*z34) - 
   (4*s14*s23*z1*z4)/(s12*s123*s134*z12*z34) + 
   (s14*s23*z1*z4)/(s12*s124*s134*z12*z34) - 
   (3*s23^2*z1*z4)/(s12^2*s123*z12*z34) - (2*s23^2*z1*z4)/
    (s12*s123*s134*z12*z34) - (3*z1*z4)/(2*s234*z12*z34) + 
   (s12*z1*z4)/(s123*s234*z12*z34) - (2*s12*z1*z4)/(s124*s234*z12*z34) - 
   (3*s13*z1*z4)/(4*s12*s234*z12*z34) + (2*s13*z1*z4)/(s123*s234*z12*z34) - 
   (2*s13*z1*z4)/(s124*s234*z12*z34) + (s13^2*z1*z4)/
    (s12*s123*s234*z12*z34) - (5*s14*z1*z4)/(4*s12*s234*z12*z34) + 
   (s14*z1*z4)/(s123*s234*z12*z34) - (4*s14*z1*z4)/(s124*s234*z12*z34) + 
   (s13*s14*z1*z4)/(s12*s123*s234*z12*z34) - (2*s13*s14*z1*z4)/
    (s12*s124*s234*z12*z34) - (2*s14^2*z1*z4)/(s12*s124*s234*z12*z34) - 
   (3*s23*z1*z4)/(4*s12*s234*z12*z34) + (3*s23*z1*z4)/(s123*s234*z12*z34) - 
   (4*s23*z1*z4)/(s124*s234*z12*z34) + (3*s13*s23*z1*z4)/
    (s12*s123*s234*z12*z34) + (s14*s23*z1*z4)/(s12*s123*s234*z12*z34) - 
   (4*s14*s23*z1*z4)/(s12*s124*s234*z12*z34) + 
   (2*s23^2*z1*z4)/(s12*s123*s234*z12*z34) - (4*s24*z1*z4)/(s12^2*z12*z34) - 
   (9*s24*z1*z4)/(4*s12*s123*z12*z34) - (11*s24*z1*z4)/(4*s12*s124*z12*z34) - 
   (7*s13*s24*z1*z4)/(4*s12^2*s123*z12*z34) - (15*s13*s24*z1*z4)/
    (4*s12^2*s124*z12*z34) - (5*s24*z1*z4)/(4*s12*s134*z12*z34) - 
   (2*s24*z1*z4)/(s123*s134*z12*z34) + (2*s24*z1*z4)/(s124*s134*z12*z34) - 
   (2*s13*s24*z1*z4)/(s12*s123*s134*z12*z34) + 
   (2*s13*s24*z1*z4)/(s12*s124*s134*z12*z34) - 
   (5*s14*s24*z1*z4)/(s12^2*s124*z12*z34) + (3*s14*s24*z1*z4)/
    (s12*s124*s134*z12*z34) - (3*s23*s24*z1*z4)/(s12^2*s123*z12*z34) - 
   (3*s23*s24*z1*z4)/(s12^2*s124*z12*z34) - (2*s23*s24*z1*z4)/
    (s12*s123*s134*z12*z34) + (s23*s24*z1*z4)/(s12*s124*s134*z12*z34) - 
   (7*s24*z1*z4)/(4*s12*s234*z12*z34) + (2*s24*z1*z4)/(s123*s234*z12*z34) - 
   (6*s24*z1*z4)/(s124*s234*z12*z34) + (2*s13*s24*z1*z4)/
    (s12*s123*s234*z12*z34) - (2*s13*s24*z1*z4)/(s12*s124*s234*z12*z34) - 
   (6*s14*s24*z1*z4)/(s12*s124*s234*z12*z34) + 
   (2*s23*s24*z1*z4)/(s12*s123*s234*z12*z34) - 
   (4*s23*s24*z1*z4)/(s12*s124*s234*z12*z34) - 
   (3*s24^2*z1*z4)/(s12^2*s124*z12*z34) + 
   (s24^2*z1*z4)/(s12*s124*s134*z12*z34) - (4*s24^2*z1*z4)/
    (s12*s124*s234*z12*z34) - (4*s13*z1*z4)/(s34^2*z12*z34) - 
   (6*s13^2*z1*z4)/(s12*s34^2*z12*z34) - (2*s13^3*z1*z4)/
    (s12^2*s34^2*z12*z34) - (2*s12*s13*z1*z4)/(s134*s34^2*z12*z34) - 
   (3*s13^2*z1*z4)/(s134*s34^2*z12*z34) - 
   (s13^3*z1*z4)/(s12*s134*s34^2*z12*z34) - (2*s14*z1*z4)/(s34^2*z12*z34) - 
   (10*s13*s14*z1*z4)/(s12*s34^2*z12*z34) - (6*s13^2*s14*z1*z4)/
    (s12^2*s34^2*z12*z34) - (s12*s14*z1*z4)/(s134*s34^2*z12*z34) - 
   (5*s13*s14*z1*z4)/(s134*s34^2*z12*z34) - (3*s13^2*s14*z1*z4)/
    (s12*s134*s34^2*z12*z34) - (4*s14^2*z1*z4)/(s12*s34^2*z12*z34) - 
   (6*s13*s14^2*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (2*s14^2*z1*z4)/(s134*s34^2*z12*z34) - (3*s13*s14^2*z1*z4)/
    (s12*s134*s34^2*z12*z34) - (2*s14^3*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s14^3*z1*z4)/(s12*s134*s34^2*z12*z34) - (2*s23*z1*z4)/(s34^2*z12*z34) - 
   (10*s13*s23*z1*z4)/(s12*s34^2*z12*z34) - (6*s13^2*s23*z1*z4)/
    (s12^2*s34^2*z12*z34) - (3*s13*s23*z1*z4)/(s134*s34^2*z12*z34) - 
   (2*s13^2*s23*z1*z4)/(s12*s134*s34^2*z12*z34) - 
   (7*s14*s23*z1*z4)/(s12*s34^2*z12*z34) - (11*s13*s14*s23*z1*z4)/
    (s12^2*s34^2*z12*z34) - (3*s14*s23*z1*z4)/(2*s134*s34^2*z12*z34) - 
   (7*s13*s14*s23*z1*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (5*s14^2*s23*z1*z4)/(s12^2*s34^2*z12*z34) - (3*s14^2*s23*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) - (4*s23^2*z1*z4)/(s12*s34^2*z12*z34) - 
   (6*s13*s23^2*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s13*s23^2*z1*z4)/(s12*s134*s34^2*z12*z34) - 
   (5*s14*s23^2*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s14*s23^2*z1*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (2*s23^3*z1*z4)/(s12^2*s34^2*z12*z34) - (2*s12*s23*z1*z4)/
    (s234*s34^2*z12*z34) - (3*s13*s23*z1*z4)/(s234*s34^2*z12*z34) - 
   (s13^2*s23*z1*z4)/(s12*s234*s34^2*z12*z34) - 
   (7*s14*s23*z1*z4)/(2*s234*s34^2*z12*z34) - (5*s13*s14*s23*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) - (3*s14^2*s23*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) - (3*s23^2*z1*z4)/(s234*s34^2*z12*z34) - 
   (2*s13*s23^2*z1*z4)/(s12*s234*s34^2*z12*z34) - 
   (5*s14*s23^2*z1*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s23^3*z1*z4)/(s12*s234*s34^2*z12*z34) - (s24*z1*z4)/(s34^2*z12*z34) - 
   (10*s13*s24*z1*z4)/(s12*s34^2*z12*z34) - (7*s13^2*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) - (15*s13*s24*z1*z4)/(4*s134*s34^2*z12*z34) - 
   (11*s13^2*s24*z1*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (7*s14*s24*z1*z4)/(s12*s34^2*z12*z34) - (13*s13*s14*s24*z1*z4)/
    (s12^2*s34^2*z12*z34) - (9*s14*s24*z1*z4)/(4*s134*s34^2*z12*z34) - 
   (5*s13*s14*s24*z1*z4)/(s12*s134*s34^2*z12*z34) - 
   (6*s14^2*s24*z1*z4)/(s12^2*s34^2*z12*z34) - (9*s14^2*s24*z1*z4)/
    (4*s12*s134*s34^2*z12*z34) - (7*s23*s24*z1*z4)/(s12*s34^2*z12*z34) - 
   (13*s13*s23*s24*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s23*s24*z1*z4)/(4*s134*s34^2*z12*z34) - (3*s13*s23*s24*z1*z4)/
    (s12*s134*s34^2*z12*z34) - (11*s14*s23*s24*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (2*s14*s23*s24*z1*z4)/(s12*s134*s34^2*z12*z34) - 
   (6*s23^2*s24*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s23^2*s24*z1*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s12*s24*z1*z4)/(s234*s34^2*z12*z34) - (7*s13*s24*z1*z4)/
    (4*s234*s34^2*z12*z34) - (3*s13^2*s24*z1*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (9*s14*s24*z1*z4)/(4*s234*s34^2*z12*z34) - (2*s13*s14*s24*z1*z4)/
    (s12*s234*s34^2*z12*z34) - (5*s14^2*s24*z1*z4)/
    (4*s12*s234*s34^2*z12*z34) - (21*s23*s24*z1*z4)/(4*s234*s34^2*z12*z34) - 
   (4*s13*s23*s24*z1*z4)/(s12*s234*s34^2*z12*z34) - 
   (5*s14*s23*s24*z1*z4)/(s12*s234*s34^2*z12*z34) - 
   (13*s23^2*s24*z1*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (3*s24^2*z1*z4)/(s12*s34^2*z12*z34) - (7*s13*s24^2*z1*z4)/
    (s12^2*s34^2*z12*z34) - (s24^2*z1*z4)/(4*s134*s34^2*z12*z34) - 
   (2*s13*s24^2*z1*z4)/(s12*s134*s34^2*z12*z34) - 
   (6*s14*s24^2*z1*z4)/(s12^2*s34^2*z12*z34) - (3*s14*s24^2*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) - (6*s23*s24^2*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s23*s24^2*z1*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (9*s24^2*z1*z4)/(4*s234*s34^2*z12*z34) - (2*s13*s24^2*z1*z4)/
    (s12*s234*s34^2*z12*z34) - (5*s14*s24^2*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) - (7*s23*s24^2*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) - (2*s24^3*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s24^3*z1*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (5*s24^3*z1*z4)/(4*s12*s234*s34^2*z12*z34) - (3*z1*z4)/(s34*z12*z34) - 
   (8*s13*z1*z4)/(s12*s34*z12*z34) - (7*s13*z1*z4)/(4*s123*s34*z12*z34) - 
   (5*s13*z1*z4)/(4*s124*s34*z12*z34) - (3*s13^2*z1*z4)/(s12^2*s34*z12*z34) - 
   (3*s13^2*z1*z4)/(s12*s123*s34*z12*z34) - (3*s13^2*z1*z4)/
    (2*s12*s124*s34*z12*z34) - (5*s13^3*z1*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^3*z1*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (s12*z1*z4)/(2*s134*s34*z12*z34) - (11*s13*z1*z4)/(4*s134*s34*z12*z34) - 
   (2*s12*s13*z1*z4)/(s123*s134*s34*z12*z34) + 
   (s12*s13*z1*z4)/(s124*s134*s34*z12*z34) - 
   (5*s13^2*z1*z4)/(4*s12*s134*s34*z12*z34) - 
   (4*s13^2*z1*z4)/(s123*s134*s34*z12*z34) + 
   (s13^2*z1*z4)/(s124*s134*s34*z12*z34) - (2*s13^3*z1*z4)/
    (s12*s123*s134*s34*z12*z34) - (7*s14*z1*z4)/(s12*s34*z12*z34) - 
   (5*s14*z1*z4)/(4*s123*s34*z12*z34) - (3*s14*z1*z4)/(4*s124*s34*z12*z34) - 
   (7*s13*s14*z1*z4)/(s12^2*s34*z12*z34) - (17*s13*s14*z1*z4)/
    (4*s12*s123*s34*z12*z34) - (13*s13*s14*z1*z4)/(4*s12*s124*s34*z12*z34) - 
   (5*s13^2*s14*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (3*s13^2*s14*z1*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (9*s14*z1*z4)/(4*s134*s34*z12*z34) - (2*s12*s14*z1*z4)/
    (s123*s134*s34*z12*z34) + (s12*s14*z1*z4)/(s124*s134*s34*z12*z34) - 
   (3*s13*s14*z1*z4)/(s12*s134*s34*z12*z34) - 
   (6*s13*s14*z1*z4)/(s123*s134*s34*z12*z34) + 
   (3*s13*s14*z1*z4)/(s124*s134*s34*z12*z34) - (4*s13^2*s14*z1*z4)/
    (s12*s123*s134*s34*z12*z34) + (s13^2*s14*z1*z4)/
    (s12*s124*s134*s34*z12*z34) - (4*s14^2*z1*z4)/(s12^2*s34*z12*z34) - 
   (5*s14^2*z1*z4)/(4*s12*s123*s34*z12*z34) - 
   (7*s14^2*z1*z4)/(4*s12*s124*s34*z12*z34) - (5*s13*s14^2*z1*z4)/
    (4*s12^2*s123*s34*z12*z34) - (9*s13*s14^2*z1*z4)/
    (4*s12^2*s124*s34*z12*z34) - (7*s14^2*z1*z4)/(4*s12*s134*s34*z12*z34) - 
   (2*s14^2*z1*z4)/(s123*s134*s34*z12*z34) + 
   (2*s14^2*z1*z4)/(s124*s134*s34*z12*z34) - (2*s13*s14^2*z1*z4)/
    (s12*s123*s134*s34*z12*z34) + (2*s13*s14^2*z1*z4)/
    (s12*s124*s134*s34*z12*z34) - (s14^3*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (s14^3*z1*z4)/(s12*s124*s134*s34*z12*z34) - 
   (7*s23*z1*z4)/(s12*s34*z12*z34) - (3*s23*z1*z4)/(4*s123*s34*z12*z34) - 
   (s23*z1*z4)/(4*s124*s34*z12*z34) - (7*s13*s23*z1*z4)/(s12^2*s34*z12*z34) - 
   (19*s13*s23*z1*z4)/(4*s12*s123*s34*z12*z34) - 
   (7*s13*s23*z1*z4)/(4*s12*s124*s34*z12*z34) - 
   (7*s13^2*s23*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s23*z1*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (3*s23*z1*z4)/(4*s134*s34*z12*z34) - (3*s13*s23*z1*z4)/
    (2*s12*s134*s34*z12*z34) - (4*s13*s23*z1*z4)/(s123*s134*s34*z12*z34) + 
   (s13*s23*z1*z4)/(s124*s134*s34*z12*z34) - (4*s13^2*s23*z1*z4)/
    (s12*s123*s134*s34*z12*z34) - (7*s14*s23*z1*z4)/(s12^2*s34*z12*z34) - 
   (7*s14*s23*z1*z4)/(2*s12*s123*s34*z12*z34) - 
   (3*s14*s23*z1*z4)/(2*s12*s124*s34*z12*z34) - (5*s13*s14*s23*z1*z4)/
    (s12^2*s123*s34*z12*z34) - (2*s13*s14*s23*z1*z4)/
    (s12^2*s124*s34*z12*z34) - (3*s14*s23*z1*z4)/(2*s12*s134*s34*z12*z34) - 
   (4*s14*s23*z1*z4)/(s123*s134*s34*z12*z34) + 
   (s14*s23*z1*z4)/(s124*s134*s34*z12*z34) - (6*s13*s14*s23*z1*z4)/
    (s12*s123*s134*s34*z12*z34) + (s13*s14*s23*z1*z4)/
    (s12*s124*s134*s34*z12*z34) - (3*s14^2*s23*z1*z4)/
    (2*s12^2*s123*s34*z12*z34) - (3*s14^2*s23*z1*z4)/
    (2*s12^2*s124*s34*z12*z34) - (2*s14^2*s23*z1*z4)/
    (s12*s123*s134*s34*z12*z34) + (s14^2*s23*z1*z4)/
    (s12*s124*s134*s34*z12*z34) - (4*s23^2*z1*z4)/(s12^2*s34*z12*z34) - 
   (7*s23^2*z1*z4)/(4*s12*s123*s34*z12*z34) - 
   (s23^2*z1*z4)/(4*s12*s124*s34*z12*z34) - (13*s13*s23^2*z1*z4)/
    (4*s12^2*s123*s34*z12*z34) - (s13*s23^2*z1*z4)/
    (4*s12^2*s124*s34*z12*z34) - (s23^2*z1*z4)/(4*s12*s134*s34*z12*z34) - 
   (2*s13*s23^2*z1*z4)/(s12*s123*s134*s34*z12*z34) - 
   (5*s14*s23^2*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s14*s23^2*z1*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (2*s14*s23^2*z1*z4)/(s12*s123*s134*s34*z12*z34) - 
   (s23^3*z1*z4)/(s12^2*s123*s34*z12*z34) - 
   (3*s12*z1*z4)/(2*s234*s34*z12*z34) - (9*s13*z1*z4)/(4*s234*s34*z12*z34) - 
   (3*s13^2*z1*z4)/(4*s12*s234*s34*z12*z34) - 
   (11*s14*z1*z4)/(4*s234*s34*z12*z34) - (2*s13*s14*z1*z4)/
    (s12*s234*s34*z12*z34) - (5*s14^2*z1*z4)/(4*s12*s234*s34*z12*z34) - 
   (17*s23*z1*z4)/(4*s234*s34*z12*z34) + (s12*s23*z1*z4)/
    (s123*s234*s34*z12*z34) - (2*s12*s23*z1*z4)/(s124*s234*s34*z12*z34) - 
   (5*s13*s23*z1*z4)/(2*s12*s234*s34*z12*z34) + 
   (2*s13*s23*z1*z4)/(s123*s234*s34*z12*z34) - 
   (2*s13*s23*z1*z4)/(s124*s234*s34*z12*z34) + 
   (s13^2*s23*z1*z4)/(s12*s123*s234*s34*z12*z34) - 
   (7*s14*s23*z1*z4)/(2*s12*s234*s34*z12*z34) + 
   (s14*s23*z1*z4)/(s123*s234*s34*z12*z34) - (4*s14*s23*z1*z4)/
    (s124*s234*s34*z12*z34) + (s13*s14*s23*z1*z4)/(s12*s123*s234*s34*z12*
     z34) - (2*s13*s14*s23*z1*z4)/(s12*s124*s234*s34*z12*z34) - 
   (2*s14^2*s23*z1*z4)/(s12*s124*s234*s34*z12*z34) - 
   (7*s23^2*z1*z4)/(4*s12*s234*s34*z12*z34) + 
   (2*s23^2*z1*z4)/(s123*s234*s34*z12*z34) - 
   (2*s23^2*z1*z4)/(s124*s234*s34*z12*z34) + (2*s13*s23^2*z1*z4)/
    (s12*s123*s234*s34*z12*z34) + (s14*s23^2*z1*z4)/
    (s12*s123*s234*s34*z12*z34) - (2*s14*s23^2*z1*z4)/
    (s12*s124*s234*s34*z12*z34) + (s23^3*z1*z4)/(s12*s123*s234*s34*z12*z34) - 
   (8*s24*z1*z4)/(s12*s34*z12*z34) - (3*s24*z1*z4)/(4*s123*s34*z12*z34) - 
   (s24*z1*z4)/(4*s124*s34*z12*z34) - (10*s13*s24*z1*z4)/
    (s12^2*s34*z12*z34) - (13*s13*s24*z1*z4)/(4*s12*s123*s34*z12*z34) - 
   (13*s13*s24*z1*z4)/(4*s12*s124*s34*z12*z34) - 
   (2*s13^2*s24*z1*z4)/(s12^2*s123*s34*z12*z34) - 
   (2*s13^2*s24*z1*z4)/(s12^2*s124*s34*z12*z34) - 
   (7*s24*z1*z4)/(4*s134*s34*z12*z34) - (13*s13*s24*z1*z4)/
    (4*s12*s134*s34*z12*z34) - (2*s13*s24*z1*z4)/(s123*s134*s34*z12*z34) + 
   (2*s13*s24*z1*z4)/(s124*s134*s34*z12*z34) - (2*s13^2*s24*z1*z4)/
    (s12*s123*s134*s34*z12*z34) + (s13^2*s24*z1*z4)/
    (s12*s124*s134*s34*z12*z34) - (10*s14*s24*z1*z4)/(s12^2*s34*z12*z34) - 
   (2*s14*s24*z1*z4)/(s12*s123*s34*z12*z34) - 
   (3*s14*s24*z1*z4)/(s12*s124*s34*z12*z34) - (2*s13*s14*s24*z1*z4)/
    (s12^2*s123*s34*z12*z34) - (5*s13*s14*s24*z1*z4)/
    (s12^2*s124*s34*z12*z34) - (13*s14*s24*z1*z4)/(4*s12*s134*s34*z12*z34) - 
   (2*s14*s24*z1*z4)/(s123*s134*s34*z12*z34) + 
   (2*s14*s24*z1*z4)/(s124*s134*s34*z12*z34) - (2*s13*s14*s24*z1*z4)/
    (s12*s123*s134*s34*z12*z34) + (3*s13*s14*s24*z1*z4)/
    (s12*s124*s134*s34*z12*z34) - (3*s14^2*s24*z1*z4)/
    (s12^2*s124*s34*z12*z34) + (2*s14^2*s24*z1*z4)/
    (s12*s124*s134*s34*z12*z34) - (10*s23*s24*z1*z4)/(s12^2*s34*z12*z34) - 
   (5*s23*s24*z1*z4)/(2*s12*s123*s34*z12*z34) - 
   (3*s23*s24*z1*z4)/(2*s12*s124*s34*z12*z34) - (4*s13*s23*s24*z1*z4)/
    (s12^2*s123*s34*z12*z34) - (3*s13*s23*s24*z1*z4)/
    (s12^2*s124*s34*z12*z34) - (7*s23*s24*z1*z4)/(4*s12*s134*s34*z12*z34) - 
   (2*s13*s23*s24*z1*z4)/(s12*s123*s134*s34*z12*z34) + 
   (s13*s23*s24*z1*z4)/(s12*s124*s134*s34*z12*z34) - 
   (5*s14*s23*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (7*s14*s23*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (2*s14*s23*s24*z1*z4)/(s12*s123*s134*s34*z12*z34) + 
   (s14*s23*s24*z1*z4)/(s12*s124*s134*s34*z12*z34) - 
   (2*s23^2*s24*z1*z4)/(s12^2*s123*s34*z12*z34) - 
   (s23^2*s24*z1*z4)/(s12^2*s124*s34*z12*z34) - 
   (17*s24*z1*z4)/(4*s234*s34*z12*z34) + (s12*s24*z1*z4)/
    (s123*s234*s34*z12*z34) - (2*s12*s24*z1*z4)/(s124*s234*s34*z12*z34) - 
   (13*s13*s24*z1*z4)/(4*s12*s234*s34*z12*z34) + 
   (2*s13*s24*z1*z4)/(s123*s234*s34*z12*z34) - 
   (2*s13*s24*z1*z4)/(s124*s234*s34*z12*z34) + 
   (s13^2*s24*z1*z4)/(s12*s123*s234*s34*z12*z34) - 
   (17*s14*s24*z1*z4)/(4*s12*s234*s34*z12*z34) + 
   (s14*s24*z1*z4)/(s123*s234*s34*z12*z34) - (4*s14*s24*z1*z4)/
    (s124*s234*s34*z12*z34) + (s13*s14*s24*z1*z4)/(s12*s123*s234*s34*z12*
     z34) - (2*s13*s14*s24*z1*z4)/(s12*s124*s234*s34*z12*z34) - 
   (2*s14^2*s24*z1*z4)/(s12*s124*s234*s34*z12*z34) - 
   (19*s23*s24*z1*z4)/(4*s12*s234*s34*z12*z34) + 
   (3*s23*s24*z1*z4)/(s123*s234*s34*z12*z34) - 
   (6*s23*s24*z1*z4)/(s124*s234*s34*z12*z34) + (3*s13*s23*s24*z1*z4)/
    (s12*s123*s234*s34*z12*z34) - (2*s13*s23*s24*z1*z4)/
    (s12*s124*s234*s34*z12*z34) + (s14*s23*s24*z1*z4)/
    (s12*s123*s234*s34*z12*z34) - (6*s14*s23*s24*z1*z4)/
    (s12*s124*s234*s34*z12*z34) + (2*s23^2*s24*z1*z4)/
    (s12*s123*s234*s34*z12*z34) - (2*s23^2*s24*z1*z4)/
    (s12*s124*s234*s34*z12*z34) - (6*s24^2*z1*z4)/(s12^2*s34*z12*z34) - 
   (3*s24^2*z1*z4)/(4*s12*s123*s34*z12*z34) - 
   (5*s24^2*z1*z4)/(4*s12*s124*s34*z12*z34) - (3*s13*s24^2*z1*z4)/
    (4*s12^2*s123*s34*z12*z34) - (11*s13*s24^2*z1*z4)/
    (4*s12^2*s124*s34*z12*z34) - (3*s24^2*z1*z4)/(2*s12*s134*s34*z12*z34) + 
   (s13*s24^2*z1*z4)/(s12*s124*s134*s34*z12*z34) - 
   (3*s14*s24^2*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (s14*s24^2*z1*z4)/(s12*s124*s134*s34*z12*z34) - 
   (s23*s24^2*z1*z4)/(s12^2*s123*s34*z12*z34) - 
   (2*s23*s24^2*z1*z4)/(s12^2*s124*s34*z12*z34) - 
   (3*s24^2*z1*z4)/(s12*s234*s34*z12*z34) + 
   (s24^2*z1*z4)/(s123*s234*s34*z12*z34) - (4*s24^2*z1*z4)/
    (s124*s234*s34*z12*z34) + (s13*s24^2*z1*z4)/(s12*s123*s234*s34*z12*z34) - 
   (2*s13*s24^2*z1*z4)/(s12*s124*s234*s34*z12*z34) - 
   (4*s14*s24^2*z1*z4)/(s12*s124*s234*s34*z12*z34) + 
   (s23*s24^2*z1*z4)/(s12*s123*s234*s34*z12*z34) - 
   (4*s23*s24^2*z1*z4)/(s12*s124*s234*s34*z12*z34) - 
   (s24^3*z1*z4)/(s12^2*s124*s34*z12*z34) - (2*s24^3*z1*z4)/
    (s12*s124*s234*s34*z12*z34) - (3*s34*z1*z4)/(2*s12*s123*z12*z34) - 
   (s34*z1*z4)/(2*s12*s124*z12*z34) - (s13*s34*z1*z4)/(s12^2*s123*z12*z34) - 
   (2*s34*z1*z4)/(s123*s134*z12*z34) + (s34*z1*z4)/(s124*s134*z12*z34) - 
   (2*s13*s34*z1*z4)/(s12*s123*s134*z12*z34) - 
   (s14*s34*z1*z4)/(s12^2*s124*z12*z34) + (s14*s34*z1*z4)/
    (s12*s124*s134*z12*z34) - (2*s23*s34*z1*z4)/(s12^2*s123*z12*z34) - 
   (2*s23*s34*z1*z4)/(s12*s123*s134*z12*z34) + 
   (s34*z1*z4)/(s123*s234*z12*z34) - (2*s34*z1*z4)/(s124*s234*z12*z34) + 
   (s13*s34*z1*z4)/(s12*s123*s234*z12*z34) - (2*s14*s34*z1*z4)/
    (s12*s124*s234*z12*z34) + (s23*s34*z1*z4)/(s12*s123*s234*z12*z34) - 
   (2*s24*s34*z1*z4)/(s12^2*s124*z12*z34) + (s24*s34*z1*z4)/
    (s12*s124*s134*z12*z34) - (2*s24*s34*z1*z4)/(s12*s124*s234*z12*z34) + 
   (4*z1*z2*z4)/(s12*z12^2*z34) + (2*z1*z2*z4)/(s123*z12^2*z34) + 
   (2*z1*z2*z4)/(s124*z12^2*z34) + (2*s13*z1*z2*z4)/(s12^2*z12^2*z34) + 
   (5*s13*z1*z2*z4)/(s12*s123*z12^2*z34) + (3*s13*z1*z2*z4)/
    (s12*s124*z12^2*z34) + (3*s13^2*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (4*s14*z1*z2*z4)/(s12^2*z12^2*z34) + (3*s14*z1*z2*z4)/
    (s12*s123*z12^2*z34) + (5*s14*z1*z2*z4)/(s12*s124*z12^2*z34) + 
   (3*s13*s14*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (3*s13*s14*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (3*s14^2*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (2*s23*z1*z2*z4)/(s12^2*z12^2*z34) + (5*s23*z1*z2*z4)/
    (s12*s123*z12^2*z34) + (3*s23*z1*z2*z4)/(s12*s124*z12^2*z34) + 
   (6*s13*s23*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (3*s14*s23*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (3*s14*s23*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (3*s23^2*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (4*s24*z1*z2*z4)/(s12^2*z12^2*z34) + (3*s24*z1*z2*z4)/
    (s12*s123*z12^2*z34) + (5*s24*z1*z2*z4)/(s12*s124*z12^2*z34) + 
   (3*s13*s24*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (3*s13*s24*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (6*s14*s24*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (3*s23*s24*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (3*s23*s24*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (3*s24^2*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (4*s13*z1*z2*z4)/(s34^2*z12^2*z34) + (6*s13^2*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (2*s13^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (2*s14*z1*z2*z4)/(s34^2*z12^2*z34) + (10*s13*s14*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (6*s13^2*s14*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (4*s14^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) + (6*s13*s14^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (2*s14^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (4*s23*z1*z2*z4)/(s34^2*z12^2*z34) + (12*s13*s23*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (6*s13^2*s23*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (10*s14*s23*z1*z2*z4)/(s12*s34^2*z12^2*z34) + (12*s13*s14*s23*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (6*s14^2*s23*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (6*s23^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) + 
   (6*s13*s23^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (6*s14*s23^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (2*s23^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (2*s24*z1*z2*z4)/(s34^2*z12^2*z34) + (10*s13*s24*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (6*s13^2*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (8*s14*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) + (12*s13*s14*s24*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (6*s14^2*s24*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (10*s23*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) + 
   (12*s13*s23*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (12*s14*s23*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (6*s23^2*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (4*s24^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) + (6*s13*s24^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (6*s14*s24^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (6*s23*s24^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (2*s24^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (4*z1*z2*z4)/(s34*z12^2*z34) + (10*s13*z1*z2*z4)/(s12*s34*z12^2*z34) + 
   (s13*z1*z2*z4)/(s123*s34*z12^2*z34) + (s13*z1*z2*z4)/
    (s124*s34*z12^2*z34) + (4*s13^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (2*s13^2*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (s13^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (s13^3*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (10*s14*z1*z2*z4)/(s12*s34*z12^2*z34) + 
   (s14*z1*z2*z4)/(s123*s34*z12^2*z34) + (s14*z1*z2*z4)/
    (s124*s34*z12^2*z34) + (10*s13*s14*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (3*s13*s14*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (3*s13*s14*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (2*s13^2*s14*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (s13^2*s14*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (6*s14^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (s14^2*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (2*s14^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (s13*s14^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s14^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (s14^3*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (10*s23*z1*z2*z4)/(s12*s34*z12^2*z34) + 
   (s23*z1*z2*z4)/(s123*s34*z12^2*z34) + (s23*z1*z2*z4)/
    (s124*s34*z12^2*z34) + (8*s13*s23*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (4*s13*s23*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (2*s13*s23*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (3*s13^2*s23*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (10*s14*s23*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (3*s14*s23*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (3*s14*s23*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (4*s13*s14*s23*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s14*s23*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (s14^2*s23*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s14^2*s23*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (4*s23^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) + (2*s23^2*z1*z2*z4)/
    (s12*s123*s34*z12^2*z34) + (s23^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (3*s13*s23^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s14*s23^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (s14*s23^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (s23^3*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (10*s24*z1*z2*z4)/(s12*s34*z12^2*z34) + 
   (s24*z1*z2*z4)/(s123*s34*z12^2*z34) + (s24*z1*z2*z4)/
    (s124*s34*z12^2*z34) + (10*s13*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (3*s13*s24*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (3*s13*s24*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (2*s13^2*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (s13^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (12*s14*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (2*s14*s24*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (4*s14*s24*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (2*s13*s14*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (4*s13*s14*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (3*s14^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (10*s23*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (3*s23*s24*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (3*s23*s24*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (4*s13*s23*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s23*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (2*s14*s23*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (4*s14*s23*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (2*s23^2*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (s23^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (6*s24^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (s24^2*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (2*s24^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (s13*s24^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (3*s14*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (s23*s24^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s23*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (s24^3*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (2*s34*z1*z2*z4)/(s12*s123*z12^2*z34) + (2*s34*z1*z2*z4)/
    (s12*s124*z12^2*z34) + (2*s13*s34*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (2*s14*s34*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (2*s23*s34*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (2*s24*s34*z1*z2*z4)/(s12^2*s124*z12^2*z34) - (z2*z4)/(s12*z12*z34) - 
   (z2*z4)/(2*s123*z12*z34) + (z2*z4)/(2*s124*z12*z34) - 
   (s13*z2*z4)/(s12^2*z12*z34) - (3*s13*z2*z4)/(4*s12*s123*z12*z34) + 
   (7*s13*z2*z4)/(4*s12*s124*z12*z34) - (3*s13^2*z2*z4)/
    (4*s12^2*s123*z12*z34) + (s13^2*z2*z4)/(4*s12^2*s124*z12*z34) - 
   (2*s14*z2*z4)/(s12^2*z12*z34) - (s14*z2*z4)/(4*s12*s123*z12*z34) + 
   (s14*z2*z4)/(4*s12*s124*z12*z34) - (3*s13*s14*z2*z4)/
    (4*s12^2*s123*z12*z34) - (3*s13*s14*z2*z4)/(4*s12^2*s124*z12*z34) - 
   (s14*z2*z4)/(2*s12*s134*z12*z34) - (s14^2*z2*z4)/(s12^2*s124*z12*z34) - 
   (3*s23*z2*z4)/(4*s12*s123*z12*z34) + (3*s23*z2*z4)/(4*s12*s124*z12*z34) - 
   (3*s13*s23*z2*z4)/(4*s12^2*s123*z12*z34) + 
   (s13*s23*z2*z4)/(4*s12^2*s124*z12*z34) + (s14*s23*z2*z4)/
    (2*s12^2*s123*z12*z34) - (3*s14*s23*z2*z4)/(2*s12^2*s124*z12*z34) - 
   (s14*z2*z4)/(2*s12*s234*z12*z34) - (3*s24*z2*z4)/(4*s12*s123*z12*z34) + 
   (3*s24*z2*z4)/(4*s12*s124*z12*z34) - (5*s13*s24*z2*z4)/
    (4*s12^2*s123*z12*z34) + (3*s13*s24*z2*z4)/(4*s12^2*s124*z12*z34) - 
   (s14*s24*z2*z4)/(s12^2*s124*z12*z34) + (2*s13*z2*z4)/(s34^2*z12*z34) + 
   (2*s13^2*z2*z4)/(s12*s34^2*z12*z34) + (s14*z2*z4)/(s34^2*z12*z34) + 
   (3*s13*s14*z2*z4)/(s12*s34^2*z12*z34) - (s13*s14*z2*z4)/
    (4*s134*s34^2*z12*z34) - (s13^2*s14*z2*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s14^2*z2*z4)/(s12*s34^2*z12*z34) - (s14^2*z2*z4)/(4*s134*s34^2*z12*z34) - 
   (s13*s14^2*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^3*z2*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (2*s13*s23*z2*z4)/(s12*s34^2*z12*z34) - (s13*s14*s23*z2*z4)/
    (s12^2*s34^2*z12*z34) - (s14*s23*z2*z4)/(4*s134*s34^2*z12*z34) - 
   (s13*s14*s23*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^2*s23*z2*z4)/(s12^2*s34^2*z12*z34) - (s14^2*s23*z2*z4)/
    (2*s12*s134*s34^2*z12*z34) - (s14*s23^2*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (s14*s23^2*z2*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s13*s14*z2*z4)/(4*s234*s34^2*z12*z34) - (s13^2*s14*z2*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s14^2*z2*z4)/(4*s234*s34^2*z12*z34) - 
   (s13*s14^2*z2*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s14^3*z2*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (s14*s23*z2*z4)/(4*s234*s34^2*z12*z34) - (s13*s14*s23*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) - (s14^2*s23*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) - (s14*s23^2*z2*z4)/
    (4*s12*s234*s34^2*z12*z34) + (3*s13*s24*z2*z4)/(s12*s34^2*z12*z34) + 
   (s13^2*s24*z2*z4)/(s12^2*s34^2*z12*z34) + 
   (s14*s24*z2*z4)/(s12*s34^2*z12*z34) + (s13*s14*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) - (s14*s24*z2*z4)/(4*s134*s34^2*z12*z34) - 
   (s13*s14*s24*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^2*s24*z2*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s13*s23*s24*z2*z4)/(s12^2*s34^2*z12*z34) - (s14*s23*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) - (s14*s23*s24*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s24*z2*z4)/(4*s234*s34^2*z12*z34) - (s13*s14*s24*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) - (s14^2*s24*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) - (s14*s23*s24*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s13*s24^2*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (s14*s24^2*z2*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s14*s24^2*z2*z4)/(4*s12*s234*s34^2*z12*z34) - (z2*z4)/(s34*z12*z34) + 
   (3*s13*z2*z4)/(4*s123*s34*z12*z34) + (5*s13*z2*z4)/(4*s124*s34*z12*z34) - 
   (s13^2*z2*z4)/(s12^2*s34*z12*z34) + (s13^2*z2*z4)/(s12*s123*s34*z12*z34) + 
   (3*s13^2*z2*z4)/(2*s12*s124*s34*z12*z34) + 
   (s13^3*z2*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^3*z2*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (2*s14*z2*z4)/(s12*s34*z12*z34) + (s14*z2*z4)/(4*s123*s34*z12*z34) + 
   (3*s14*z2*z4)/(4*s124*s34*z12*z34) - (3*s13*s14*z2*z4)/
    (s12^2*s34*z12*z34) + (5*s13*s14*z2*z4)/(4*s12*s123*s34*z12*z34) + 
   (9*s13*s14*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s14*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z2*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s14*z2*z4)/(2*s134*s34*z12*z34) - (3*s13*s14*z2*z4)/
    (4*s12*s134*s34*z12*z34) - (2*s14^2*z2*z4)/(s12^2*s34*z12*z34) + 
   (s14^2*z2*z4)/(4*s12*s123*s34*z12*z34) + (3*s14^2*z2*z4)/
    (4*s12*s124*s34*z12*z34) + (s13*s14^2*z2*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s13*s14^2*z2*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (3*s14^2*z2*z4)/(4*s12*s134*s34*z12*z34) - (s23*z2*z4)/(s12*s34*z12*z34) - 
   (s23*z2*z4)/(4*s123*s34*z12*z34) + (s23*z2*z4)/(4*s124*s34*z12*z34) - 
   (s13*s23*z2*z4)/(s12^2*s34*z12*z34) + (3*s13*s23*z2*z4)/
    (4*s12*s123*s34*z12*z34) + (7*s13*s23*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s23*z2*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13^2*s23*z2*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (3*s14*s23*z2*z4)/(s12^2*s34*z12*z34) + (s14*s23*z2*z4)/
    (2*s12*s123*s34*z12*z34) + (s14*s23*z2*z4)/(2*s12*s124*s34*z12*z34) + 
   (s13*s14*s23*z2*z4)/(s12^2*s123*s34*z12*z34) - 
   (3*s14*s23*z2*z4)/(4*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z2*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s14^2*s23*z2*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s23^2*z2*z4)/(4*s12*s123*s34*z12*z34) + 
   (s23^2*z2*z4)/(4*s12*s124*s34*z12*z34) + (s13*s23^2*z2*z4)/
    (4*s12^2*s123*s34*z12*z34) + (s13*s23^2*z2*z4)/
    (4*s12^2*s124*s34*z12*z34) + (s14*s23^2*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) - (s14*s23^2*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) - (s14*z2*z4)/(2*s234*s34*z12*z34) - 
   (3*s13*s14*z2*z4)/(4*s12*s234*s34*z12*z34) - 
   (3*s14^2*z2*z4)/(4*s12*s234*s34*z12*z34) - 
   (3*s14*s23*z2*z4)/(4*s12*s234*s34*z12*z34) - 
   (s24*z2*z4)/(s12*s34*z12*z34) - (s24*z2*z4)/(4*s123*s34*z12*z34) + 
   (s24*z2*z4)/(4*s124*s34*z12*z34) + (s13*s24*z2*z4)/
    (4*s12*s123*s34*z12*z34) + (9*s13*s24*z2*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z2*z4)/(s12^2*s124*s34*z12*z34) - 
   (2*s14*s24*z2*z4)/(s12^2*s34*z12*z34) + (s14*s24*z2*z4)/
    (s12*s124*s34*z12*z34) + (s13*s14*s24*z2*z4)/(s12^2*s124*s34*z12*z34) - 
   (3*s14*s24*z2*z4)/(4*s12*s134*s34*z12*z34) - 
   (s23*s24*z2*z4)/(2*s12*s123*s34*z12*z34) + 
   (s23*s24*z2*z4)/(2*s12*s124*s34*z12*z34) + (s13*s23*s24*z2*z4)/
    (s12^2*s124*s34*z12*z34) + (s14*s23*s24*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) - (s14*s23*s24*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) - (3*s14*s24*z2*z4)/(4*s12*s234*s34*z12*z34) - 
   (s24^2*z2*z4)/(4*s12*s123*s34*z12*z34) + 
   (s24^2*z2*z4)/(4*s12*s124*s34*z12*z34) - (s13*s24^2*z2*z4)/
    (4*s12^2*s123*s34*z12*z34) + (3*s13*s24^2*z2*z4)/
    (4*s12^2*s124*s34*z12*z34) - (s34*z2*z4)/(2*s12*s123*z12*z34) + 
   (s34*z2*z4)/(2*s12*s124*z12*z34) - (s13*s34*z2*z4)/(s12^2*s123*z12*z34) - 
   (s14*s34*z2*z4)/(s12^2*s124*z12*z34) - (z3*z4)/(2*s123*z12*z34) - 
   (3*z3*z4)/(2*s124*z12*z34) + (s13*z3*z4)/(2*s12*s123*z12*z34) - 
   (s13*z3*z4)/(2*s12*s124*z12*z34) - (z3*z4)/(2*s134*z12*z34) + 
   (s14*z3*z4)/(s12*s123*z12*z34) - (s14*z3*z4)/(s12*s124*z12*z34) + 
   (s23*z3*z4)/(2*s12*s123*z12*z34) - (s23*z3*z4)/(2*s12*s124*z12*z34) - 
   (z3*z4)/(2*s234*z12*z34) + (s24*z3*z4)/(s12*s123*z12*z34) - 
   (s24*z3*z4)/(s12*s124*z12*z34) - (3*s12*z3*z4)/(s34^2*z12*z34) - 
   (4*s13*z3*z4)/(s34^2*z12*z34) - (s13^2*z3*z4)/(s12*s34^2*z12*z34) + 
   (s12*s13*z3*z4)/(4*s134*s34^2*z12*z34) + 
   (s13^2*z3*z4)/(2*s134*s34^2*z12*z34) + 
   (s13^3*z3*z4)/(4*s12*s134*s34^2*z12*z34) - (4*s14*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s14*z3*z4)/(s12*s34^2*z12*z34) + (s12*s14*z3*z4)/
    (4*s134*s34^2*z12*z34) + (s13*s14*z3*z4)/(s134*s34^2*z12*z34) + 
   (3*s13^2*s14*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s14^2*z3*z4)/(s12*s34^2*z12*z34) + (s14^2*z3*z4)/(2*s134*s34^2*z12*z34) + 
   (3*s13*s14^2*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s14^3*z3*z4)/(4*s12*s134*s34^2*z12*z34) - (4*s23*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s23*z3*z4)/(s12*s34^2*z12*z34) - (s12*s23*z3*z4)/
    (4*s134*s34^2*z12*z34) + (s13*s23*z3*z4)/(4*s134*s34^2*z12*z34) + 
   (s13^2*s23*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (2*s14*s23*z3*z4)/(s12*s34^2*z12*z34) + (s14*s23*z3*z4)/
    (4*s134*s34^2*z12*z34) + (s13*s14*s23*z3*z4)/(s12*s134*s34^2*z12*z34) + 
   (s14^2*s23*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s23^2*z3*z4)/(s12*s34^2*z12*z34) - (s23^2*z3*z4)/(4*s134*s34^2*z12*z34) + 
   (s13*s23^2*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s14*s23^2*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (3*s12*s13*z3*z4)/(4*s234*s34^2*z12*z34) - 
   (s13^2*z3*z4)/(s234*s34^2*z12*z34) - (s13^3*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (3*s12*s14*z3*z4)/(4*s234*s34^2*z12*z34) - 
   (2*s13*s14*z3*z4)/(s234*s34^2*z12*z34) - (3*s13^2*s14*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s14^2*z3*z4)/(s234*s34^2*z12*z34) - 
   (3*s13*s14^2*z3*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (s14^3*z3*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (s12*s23*z3*z4)/(4*s234*s34^2*z12*z34) - (5*s13*s23*z3*z4)/
    (4*s234*s34^2*z12*z34) - (s13^2*s23*z3*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (5*s14*s23*z3*z4)/(4*s234*s34^2*z12*z34) - (s13*s14*s23*z3*z4)/
    (s12*s234*s34^2*z12*z34) - (s14^2*s23*z3*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s23^2*z3*z4)/(4*s234*s34^2*z12*z34) - (s13*s23^2*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s14*s23^2*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (4*s24*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s24*z3*z4)/(s12*s34^2*z12*z34) - (s12*s24*z3*z4)/
    (4*s134*s34^2*z12*z34) + (s13*s24*z3*z4)/(4*s134*s34^2*z12*z34) + 
   (s13^2*s24*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (2*s14*s24*z3*z4)/(s12*s34^2*z12*z34) + (s14*s24*z3*z4)/
    (4*s134*s34^2*z12*z34) + (s13*s14*s24*z3*z4)/(s12*s134*s34^2*z12*z34) + 
   (s14^2*s24*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (2*s23*s24*z3*z4)/(s12*s34^2*z12*z34) - (s23*s24*z3*z4)/
    (2*s134*s34^2*z12*z34) + (s13*s23*s24*z3*z4)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23*s24*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s12*s24*z3*z4)/(4*s234*s34^2*z12*z34) - (5*s13*s24*z3*z4)/
    (4*s234*s34^2*z12*z34) - (s13^2*s24*z3*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (5*s14*s24*z3*z4)/(4*s234*s34^2*z12*z34) - (s13*s14*s24*z3*z4)/
    (s12*s234*s34^2*z12*z34) - (s14^2*s24*z3*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s23*s24*z3*z4)/(2*s234*s34^2*z12*z34) - (s13*s23*s24*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) - (s14*s23*s24*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) - (s24^2*z3*z4)/(s12*s34^2*z12*z34) - 
   (s24^2*z3*z4)/(4*s134*s34^2*z12*z34) + (s13*s24^2*z3*z4)/
    (4*s12*s134*s34^2*z12*z34) + (s14*s24^2*z3*z4)/
    (4*s12*s134*s34^2*z12*z34) - (s24^2*z3*z4)/(4*s234*s34^2*z12*z34) - 
   (s13*s24^2*z3*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (s14*s24^2*z3*z4)/(4*s12*s234*s34^2*z12*z34) - (3*z3*z4)/(s34*z12*z34) - 
   (3*s12*z3*z4)/(2*s123*s34*z12*z34) - (3*s12*z3*z4)/(2*s124*s34*z12*z34) - 
   (s13*z3*z4)/(s12*s34*z12*z34) - (2*s13*z3*z4)/(s123*s34*z12*z34) - 
   (2*s13*z3*z4)/(s124*s34*z12*z34) - (s13^2*z3*z4)/
    (2*s12*s123*s34*z12*z34) - (s13^2*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s12*z3*z4)/(2*s134*s34*z12*z34) - (s13*z3*z4)/(4*s134*s34*z12*z34) + 
   (s13^2*z3*z4)/(4*s12*s134*s34*z12*z34) - (s14*z3*z4)/(s12*s34*z12*z34) - 
   (3*s14*z3*z4)/(2*s123*s34*z12*z34) - (5*s14*z3*z4)/(2*s124*s34*z12*z34) - 
   (s13*s14*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (3*s13*s14*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s14*z3*z4)/(4*s134*s34*z12*z34) + (s13*s14*z3*z4)/
    (2*s12*s134*s34*z12*z34) - (s14^2*z3*z4)/(s12*s124*s34*z12*z34) + 
   (s14^2*z3*z4)/(4*s12*s134*s34*z12*z34) - (s23*z3*z4)/(s12*s34*z12*z34) - 
   (2*s23*z3*z4)/(s123*s34*z12*z34) - (2*s23*z3*z4)/(s124*s34*z12*z34) - 
   (s13*s23*z3*z4)/(s12*s123*s34*z12*z34) - (s13*s23*z3*z4)/
    (s12*s124*s34*z12*z34) - (3*s23*z3*z4)/(4*s134*s34*z12*z34) + 
   (s13*s23*z3*z4)/(4*s12*s134*s34*z12*z34) - 
   (s14*s23*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (3*s14*s23*z3*z4)/(2*s12*s124*s34*z12*z34) + 
   (s14*s23*z3*z4)/(4*s12*s134*s34*z12*z34) - 
   (s23^2*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s23^2*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s12*z3*z4)/(2*s234*s34*z12*z34) - (5*s13*z3*z4)/(4*s234*s34*z12*z34) - 
   (s13^2*z3*z4)/(4*s12*s234*s34*z12*z34) - 
   (5*s14*z3*z4)/(4*s234*s34*z12*z34) - (s13*s14*z3*z4)/
    (2*s12*s234*s34*z12*z34) - (s14^2*z3*z4)/(4*s12*s234*s34*z12*z34) - 
   (3*s23*z3*z4)/(4*s234*s34*z12*z34) - (s13*s23*z3*z4)/
    (4*s12*s234*s34*z12*z34) - (s14*s23*z3*z4)/(4*s12*s234*s34*z12*z34) - 
   (s24*z3*z4)/(s12*s34*z12*z34) - (3*s24*z3*z4)/(2*s123*s34*z12*z34) - 
   (5*s24*z3*z4)/(2*s124*s34*z12*z34) - (s13*s24*z3*z4)/
    (2*s12*s123*s34*z12*z34) - (3*s13*s24*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (3*s24*z3*z4)/(4*s134*s34*z12*z34) + (s13*s24*z3*z4)/
    (4*s12*s134*s34*z12*z34) - (2*s14*s24*z3*z4)/(s12*s124*s34*z12*z34) + 
   (s14*s24*z3*z4)/(4*s12*s134*s34*z12*z34) - 
   (s23*s24*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (3*s23*s24*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (3*s24*z3*z4)/(4*s234*s34*z12*z34) - (s13*s24*z3*z4)/
    (4*s12*s234*s34*z12*z34) - (s14*s24*z3*z4)/(4*s12*s234*s34*z12*z34) - 
   (s24^2*z3*z4)/(s12*s124*s34*z12*z34) + (s34*z3*z4)/(s12*s123*z12*z34) - 
   (2*z3*z4^2)/(s12*z12*z34^2) + (2*s12*z3*z4^2)/(s34^2*z12*z34^2) + 
   (2*s13*z3*z4^2)/(s34^2*z12*z34^2) + (2*s14*z3*z4^2)/(s34^2*z12*z34^2) + 
   (2*s23*z3*z4^2)/(s34^2*z12*z34^2) + (2*s24*z3*z4^2)/(s34^2*z12*z34^2) - 
   (2*s13*z3*z4^2)/(s12*s34*z12*z34^2) - (2*s14*z3*z4^2)/
    (s12*s34*z12*z34^2) - (2*s23*z3*z4^2)/(s12*s34*z12*z34^2) - 
   (2*s24*z3*z4^2)/(s12*s34*z12*z34^2) + (2*z4^2)/(s12*z12*z34) - 
   z4^2/(2*s123*z12*z34) + z4^2/(2*s124*z12*z34) - 
   (s13*z4^2)/(2*s12*s123*z12*z34) + (3*s13*z4^2)/(2*s12*s124*z12*z34) + 
   z4^2/(2*s134*z12*z34) + (s14*z4^2)/(s12*s124*z12*z34) - 
   (s23*z4^2)/(2*s12*s123*z12*z34) + (3*s23*z4^2)/(2*s12*s124*z12*z34) + 
   z4^2/(2*s234*z12*z34) + (s24*z4^2)/(s12*s124*z12*z34) - 
   (s12*z4^2)/(s34^2*z12*z34) + (s13^2*z4^2)/(s12*s34^2*z12*z34) - 
   (s12*s13*z4^2)/(4*s134*s34^2*z12*z34) - 
   (s13^2*z4^2)/(2*s134*s34^2*z12*z34) - 
   (s13^3*z4^2)/(4*s12*s134*s34^2*z12*z34) - (s14*z4^2)/(s34^2*z12*z34) + 
   (s13*s14*z4^2)/(s12*s34^2*z12*z34) + (s12*s14*z4^2)/
    (4*s134*s34^2*z12*z34) - (s13*s14*z4^2)/(4*s134*s34^2*z12*z34) - 
   (s13^2*s14*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*z4^2)/(4*s134*s34^2*z12*z34) - (s13*s14^2*z4^2)/
    (4*s12*s134*s34^2*z12*z34) + (2*s13*s23*z4^2)/(s12*s34^2*z12*z34) + 
   (s12*s23*z4^2)/(4*s134*s34^2*z12*z34) - 
   (s13*s23*z4^2)/(4*s134*s34^2*z12*z34) - (s13^2*s23*z4^2)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s23*z4^2)/(s12*s34^2*z12*z34) + 
   (s14*s23*z4^2)/(2*s134*s34^2*z12*z34) - (s13*s14*s23*z4^2)/
    (2*s12*s134*s34^2*z12*z34) + (s23^2*z4^2)/(s12*s34^2*z12*z34) + 
   (s23^2*z4^2)/(4*s134*s34^2*z12*z34) - (s13*s23^2*z4^2)/
    (4*s12*s134*s34^2*z12*z34) + (3*s12*s13*z4^2)/(4*s234*s34^2*z12*z34) + 
   (s13^2*z4^2)/(s234*s34^2*z12*z34) + (s13^3*z4^2)/
    (4*s12*s234*s34^2*z12*z34) + (s12*s14*z4^2)/(4*s234*s34^2*z12*z34) + 
   (5*s13*s14*z4^2)/(4*s234*s34^2*z12*z34) + (s13^2*s14*z4^2)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*z4^2)/(4*s234*s34^2*z12*z34) + 
   (s13*s14^2*z4^2)/(4*s12*s234*s34^2*z12*z34) + 
   (s12*s23*z4^2)/(4*s234*s34^2*z12*z34) + (5*s13*s23*z4^2)/
    (4*s234*s34^2*z12*z34) + (s13^2*s23*z4^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s23*z4^2)/(2*s234*s34^2*z12*z34) + (s13*s14*s23*z4^2)/
    (2*s12*s234*s34^2*z12*z34) + (s23^2*z4^2)/(4*s234*s34^2*z12*z34) + 
   (s13*s23^2*z4^2)/(4*s12*s234*s34^2*z12*z34) - (s24*z4^2)/(s34^2*z12*z34) + 
   (s13*s24*z4^2)/(s12*s34^2*z12*z34) + (s12*s24*z4^2)/
    (4*s134*s34^2*z12*z34) - (s13*s24*z4^2)/(4*s134*s34^2*z12*z34) - 
   (s13^2*s24*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s24*z4^2)/(2*s134*s34^2*z12*z34) - (s13*s14*s24*z4^2)/
    (2*s12*s134*s34^2*z12*z34) + (s23*s24*z4^2)/(s12*s34^2*z12*z34) + 
   (s23*s24*z4^2)/(2*s134*s34^2*z12*z34) - (s13*s23*s24*z4^2)/
    (2*s12*s134*s34^2*z12*z34) + (s12*s24*z4^2)/(4*s234*s34^2*z12*z34) + 
   (5*s13*s24*z4^2)/(4*s234*s34^2*z12*z34) + (s13^2*s24*z4^2)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s24*z4^2)/(2*s234*s34^2*z12*z34) + 
   (s13*s14*s24*z4^2)/(2*s12*s234*s34^2*z12*z34) + 
   (s23*s24*z4^2)/(2*s234*s34^2*z12*z34) + (s13*s23*s24*z4^2)/
    (2*s12*s234*s34^2*z12*z34) + (s24^2*z4^2)/(4*s134*s34^2*z12*z34) - 
   (s13*s24^2*z4^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s24^2*z4^2)/(4*s234*s34^2*z12*z34) + (s13*s24^2*z4^2)/
    (4*s12*s234*s34^2*z12*z34) + z4^2/(s34*z12*z34) - 
   (s12*z4^2)/(2*s123*s34*z12*z34) - (s12*z4^2)/(2*s124*s34*z12*z34) + 
   (3*s13*z4^2)/(s12*s34*z12*z34) - (s13*z4^2)/(s123*s34*z12*z34) - 
   (s13^2*z4^2)/(2*s12*s123*s34*z12*z34) + 
   (s13^2*z4^2)/(2*s12*s124*s34*z12*z34) + (s12*z4^2)/(2*s134*s34*z12*z34) + 
   (s13*z4^2)/(4*s134*s34*z12*z34) - (s13^2*z4^2)/(4*s12*s134*s34*z12*z34) + 
   (2*s14*z4^2)/(s12*s34*z12*z34) - (s14*z4^2)/(2*s123*s34*z12*z34) - 
   (s14*z4^2)/(2*s124*s34*z12*z34) - (s13*s14*z4^2)/
    (2*s12*s123*s34*z12*z34) + (s13*s14*z4^2)/(2*s12*s124*s34*z12*z34) + 
   (3*s14*z4^2)/(4*s134*s34*z12*z34) - (s13*s14*z4^2)/
    (4*s12*s134*s34*z12*z34) + (3*s23*z4^2)/(s12*s34*z12*z34) - 
   (s23*z4^2)/(s123*s34*z12*z34) - (s13*s23*z4^2)/(s12*s123*s34*z12*z34) + 
   (s13*s23*z4^2)/(s12*s124*s34*z12*z34) + 
   (3*s23*z4^2)/(4*s134*s34*z12*z34) - (s13*s23*z4^2)/
    (4*s12*s134*s34*z12*z34) - (s14*s23*z4^2)/(2*s12*s123*s34*z12*z34) + 
   (s14*s23*z4^2)/(2*s12*s124*s34*z12*z34) - 
   (s23^2*z4^2)/(2*s12*s123*s34*z12*z34) + 
   (s23^2*z4^2)/(2*s12*s124*s34*z12*z34) + (s12*z4^2)/(2*s234*s34*z12*z34) + 
   (5*s13*z4^2)/(4*s234*s34*z12*z34) + (s13^2*z4^2)/
    (4*s12*s234*s34*z12*z34) + (3*s14*z4^2)/(4*s234*s34*z12*z34) + 
   (s13*s14*z4^2)/(4*s12*s234*s34*z12*z34) + 
   (3*s23*z4^2)/(4*s234*s34*z12*z34) + (s13*s23*z4^2)/
    (4*s12*s234*s34*z12*z34) + (2*s24*z4^2)/(s12*s34*z12*z34) - 
   (s24*z4^2)/(2*s123*s34*z12*z34) - (s24*z4^2)/(2*s124*s34*z12*z34) - 
   (s13*s24*z4^2)/(2*s12*s123*s34*z12*z34) + 
   (s13*s24*z4^2)/(2*s12*s124*s34*z12*z34) + 
   (3*s24*z4^2)/(4*s134*s34*z12*z34) - (s13*s24*z4^2)/
    (4*s12*s134*s34*z12*z34) - (s23*s24*z4^2)/(2*s12*s123*s34*z12*z34) + 
   (s23*s24*z4^2)/(2*s12*s124*s34*z12*z34) + 
   (3*s24*z4^2)/(4*s234*s34*z12*z34) + (s13*s24*z4^2)/
    (4*s12*s234*s34*z12*z34) + (s34*z4^2)/(s12*s124*z12*z34)) + 
 k1k3*(-D/(2*s12) - D/(4*s123) - D/(4*s124) - (D*s13)/(4*s12*s123) - 
   (D*s13)/(4*s12*s124) - D/(4*s134) - (D*s12)/(2*s123*s134) - 
   s12/(s124*s134) + (D*s12)/(4*s124*s134) - (D*s13)/(2*s123*s134) - 
   s13/(s124*s134) + (D*s13)/(4*s124*s134) + s14/(s12*s123) - 
   (D*s14)/(2*s12*s123) + s14/(2*s12*s124) + (2*s14)/(s123*s124) - 
   (D*s14)/(2*s123*s124) + (2*s13*s14)/(s12*s123*s124) - 
   (D*s13*s14)/(2*s12*s123*s124) - (D*s14)/(2*s123*s134) - 
   (2*s14)/(s124*s134) + (D*s14)/(4*s124*s134) + (2*s14^2)/(s12*s123*s124) - 
   (D*s14^2)/(2*s12*s123*s124) + s23/s12^2 + s23/(2*s12*s123) - 
   (D*s23)/(4*s12*s123) - (D*s23)/(4*s12*s124) + (s13*s23)/(2*s12^2*s123) + 
   s23/(s12*s134) - (D*s23)/(4*s12*s134) - (D*s23)/(2*s123*s134) - 
   s23/(s124*s134) + (D*s23)/(4*s124*s134) - (s14*s23)/(2*s12^2*s124) + 
   (2*s14*s23)/(s12*s123*s124) - (D*s14*s23)/(2*s12*s123*s124) - 
   (D*s14*s23)/(2*s12*s123*s134) + (s14*s23)/(s12*s124*s134) - 
   (D*s14*s23)/(4*s12*s124*s134) + s23^2/(2*s12^2*s123) - D/(4*s234) - 
   s12/(s123*s234) + (D*s12)/(4*s123*s234) - (D*s12)/(2*s124*s234) - 
   s13/(s123*s234) + (D*s13)/(4*s123*s234) - (D*s13)/(2*s124*s234) - 
   s12/(s134*s234) - s14/(s123*s234) + (D*s14)/(4*s123*s234) - 
   (D*s14)/(2*s124*s234) + s23/(2*s12*s234) + (D*s23)/(4*s12*s234) - 
   (2*s23)/(s123*s234) + (D*s23)/(4*s123*s234) - (D*s23)/(2*s124*s234) - 
   (s13*s23)/(s12*s123*s234) + (2*s23)/(s134*s234) - (D*s23)/(2*s134*s234) - 
   (D*s14*s23)/(4*s12*s123*s234) - (D*s14*s23)/(2*s12*s124*s234) - 
   s23^2/(s12*s123*s234) + s24/s12^2 + (2*s24)/(s12*s123) - 
   (D*s24)/(2*s12*s123) + (3*s24)/(s123*s124) - (D*s24)/(2*s123*s124) + 
   (3*s13*s24)/(2*s12^2*s124) + (4*s13*s24)/(s12*s123*s124) - 
   (D*s13*s24)/(2*s12*s123*s124) + (s13^2*s24)/(s12^2*s123*s124) + 
   (2*s24)/(s12*s134) - (D*s24)/(4*s12*s134) - (D*s24)/(2*s123*s134) - 
   (2*s24)/(s124*s134) + (D*s24)/(4*s124*s134) - 
   (2*s13*s24)/(s12*s123*s134) - (s13*s24)/(s12*s124*s134) + 
   (3*s14*s24)/(2*s12^2*s124) + (5*s14*s24)/(s12*s123*s124) - 
   (D*s14*s24)/(s12*s123*s124) + (s13*s14*s24)/(s12^2*s123*s124) + 
   (2*s14*s24)/(s12*s123*s134) - (D*s14*s24)/(2*s12*s123*s134) - 
   (D*s14*s24)/(4*s12*s124*s134) + (2*s23*s24)/(s12*s123*s124) - 
   (D*s23*s24)/(2*s12*s123*s124) + (2*s23*s24)/(s12*s123*s134) - 
   (D*s23*s24)/(2*s12*s123*s134) - (D*s23*s24)/(4*s12*s124*s134) - 
   (s14*s23*s24)/(s12^2*s123*s124) - (s23^2*s24)/(s12^2*s123*s124) - 
   s24/(2*s12*s234) + (D*s24)/(4*s12*s234) - (2*s24)/(s123*s234) + 
   (D*s24)/(4*s123*s234) - (D*s24)/(2*s124*s234) + 
   (2*s13*s24)/(s12*s124*s234) + (3*s24)/(s134*s234) - 
   (D*s24)/(2*s134*s234) + (s14*s24)/(s12*s123*s234) - 
   (D*s14*s24)/(4*s12*s123*s234) + (2*s14*s24)/(s12*s124*s234) - 
   (D*s14*s24)/(2*s12*s124*s234) - (D*s23*s24)/(4*s12*s123*s234) + 
   (2*s23*s24)/(s12*s124*s234) - (D*s23*s24)/(2*s12*s124*s234) - 
   (3*s24^2)/(2*s12^2*s124) + (3*s24^2)/(s12*s123*s124) - 
   (D*s24^2)/(2*s12*s123*s124) + (s13*s24^2)/(s12^2*s123*s124) + 
   (2*s24^2)/(s12*s123*s134) - (D*s24^2)/(2*s12*s123*s134) - 
   (D*s24^2)/(4*s12*s124*s134) - (s23*s24^2)/(s12^2*s123*s124) + 
   s24^2/(s12*s123*s234) - (D*s24^2)/(4*s12*s123*s234) - 
   (2*s24^2)/(s12*s124*s234) - (D*s24^2)/(2*s12*s124*s234) + s14/s34^2 + 
   (s13*s14)/(s12*s34^2) + (s12*s14)/(2*s134*s34^2) + 
   (s13*s14)/(2*s134*s34^2) + s14^2/(s12*s34^2) + s14^2/(2*s134*s34^2) - 
   (s13*s14*s23)/(s12^2*s34^2) - (s13*s14*s23)/(2*s12*s134*s34^2) - 
   (s14^2*s23)/(s12^2*s34^2) - (s14^2*s23)/(2*s12*s134*s34^2) - 
   (s14*s23^2)/(s12^2*s34^2) - (s14*s23^2)/(2*s12*s134*s34^2) - 
   (s14*s23)/(2*s234*s34^2) - (s13*s14*s23)/(2*s12*s234*s34^2) - 
   (s14^2*s23)/(2*s12*s234*s34^2) - (s14*s23^2)/(2*s12*s234*s34^2) + 
   s24/s34^2 + (2*s13*s24)/(s12*s34^2) + (s13^2*s24)/(s12^2*s34^2) + 
   (2*s14*s24)/(s12*s34^2) + (s13*s14*s24)/(s12^2*s34^2) - 
   (s13*s14*s24)/(2*s12*s134*s34^2) - (s14^2*s24)/(2*s12*s134*s34^2) + 
   (s23*s24)/(s12*s34^2) + (s13*s23*s24)/(s12^2*s34^2) - 
   (s14*s23*s24)/(s12^2*s34^2) - (s14*s23*s24)/(s12*s134*s34^2) + 
   (s12*s24)/(2*s234*s34^2) + (3*s13*s24)/(2*s234*s34^2) + 
   (s13^2*s24)/(s12*s234*s34^2) + (s12*s13*s24)/(s134*s234*s34^2) + 
   (s13^2*s24)/(s134*s234*s34^2) + (s13*s14*s24)/(2*s12*s234*s34^2) - 
   (s12*s14*s24)/(s134*s234*s34^2) - (s14^2*s24)/(2*s12*s234*s34^2) - 
   (s14^2*s24)/(s134*s234*s34^2) + (3*s23*s24)/(2*s234*s34^2) + 
   (2*s13*s23*s24)/(s12*s234*s34^2) + (s13*s23*s24)/(s134*s234*s34^2) - 
   (s14*s23*s24)/(s134*s234*s34^2) + (s23^2*s24)/(s12*s234*s34^2) - 
   s24^2/(s12*s34^2) - (s13*s24^2)/(s12^2*s34^2) - 
   (2*s14*s24^2)/(s12^2*s34^2) - (s14*s24^2)/(2*s12*s134*s34^2) - 
   (2*s23*s24^2)/(s12^2*s34^2) - (3*s24^2)/(2*s234*s34^2) - 
   (s13*s24^2)/(s12*s234*s34^2) + (s13*s24^2)/(s134*s234*s34^2) - 
   (5*s14*s24^2)/(2*s12*s234*s34^2) - (s14*s24^2)/(s134*s234*s34^2) - 
   (s23*s24^2)/(s12*s234*s34^2) - (2*s24^3)/(s12^2*s34^2) - 
   (2*s24^3)/(s12*s234*s34^2) - D/(2*s34) - (D*s13)/(2*s12*s34) - 
   (D*s12)/(4*s134*s34) - (D*s13)/(4*s134*s34) + s14/(s12*s34) - 
   (D*s14)/(2*s12*s34) + s14/(s123*s34) - (D*s14)/(4*s123*s34) + 
   s14/(2*s124*s34) + (D*s14)/(4*s124*s34) + (s13*s14)/(s12*s123*s34) - 
   (D*s13*s14)/(4*s12*s123*s34) + (s13*s14)/(2*s12*s124*s34) + 
   (D*s13*s14)/(4*s12*s124*s34) + s14/(2*s134*s34) - (D*s14)/(4*s134*s34) - 
   (s12*s14)/(s124*s134*s34) - (s13*s14)/(s124*s134*s34) + 
   s14^2/(s12*s123*s34) - (D*s14^2)/(4*s12*s123*s34) + 
   s14^2/(2*s12*s124*s34) + (D*s14^2)/(4*s12*s124*s34) - 
   s14^2/(s124*s134*s34) + s23/(s12*s34) - (D*s23)/(2*s12*s34) + 
   (s13*s23)/(s12^2*s34) + s23/(s134*s34) - (D*s23)/(2*s134*s34) + 
   (s13*s23)/(s12*s134*s34) - (D*s13*s23)/(4*s12*s134*s34) + 
   (s14*s23)/(2*s12*s123*s34) - (D*s14*s23)/(4*s12*s123*s34) + 
   (D*s14*s23)/(4*s12*s124*s34) - (s13*s14*s23)/(2*s12^2*s123*s34) - 
   (s13*s14*s23)/(2*s12^2*s124*s34) + (s14*s23)/(2*s12*s134*s34) - 
   (D*s14*s23)/(4*s12*s134*s34) - (D*s14*s23)/(2*s123*s134*s34) - 
   (D*s14*s23)/(4*s124*s134*s34) - (D*s13*s14*s23)/(2*s12*s123*s134*s34) + 
   (s13*s14*s23)/(s12*s124*s134*s34) - (D*s13*s14*s23)/
    (4*s12*s124*s134*s34) - (s14^2*s23)/(2*s12^2*s123*s34) - 
   (s14^2*s23)/(2*s12^2*s124*s34) - (D*s14^2*s23)/(2*s12*s123*s134*s34) + 
   (s14^2*s23)/(s12*s124*s134*s34) - (D*s14^2*s23)/(4*s12*s124*s134*s34) + 
   s23^2/(s12^2*s34) + s23^2/(s12*s134*s34) - (D*s23^2)/(4*s12*s134*s34) - 
   (s14*s23^2)/(2*s12^2*s123*s34) - (s14*s23^2)/(2*s12^2*s124*s34) - 
   (D*s14*s23^2)/(2*s12*s123*s134*s34) + (s14*s23^2)/(s12*s124*s134*s34) - 
   (D*s14*s23^2)/(4*s12*s124*s134*s34) - (D*s12)/(4*s234*s34) - 
   (D*s13)/(4*s234*s34) - s12^2/(s134*s234*s34) - (s12*s13)/(s134*s234*s34) - 
   (D*s14)/(4*s234*s34) - (s12*s14)/(s134*s234*s34) + s23/(2*s234*s34) + 
   (s13*s23)/(2*s12*s234*s34) + (D*s13*s23)/(4*s12*s234*s34) + 
   (s12*s23)/(s134*s234*s34) - (D*s12*s23)/(2*s134*s234*s34) + 
   (2*s13*s23)/(s134*s234*s34) - (D*s13*s23)/(2*s134*s234*s34) + 
   (D*s14*s23)/(4*s12*s234*s34) + (s14*s23)/(s123*s234*s34) - 
   (D*s14*s23)/(4*s123*s234*s34) - (D*s14*s23)/(2*s124*s234*s34) + 
   (s13*s14*s23)/(s12*s123*s234*s34) - (D*s13*s14*s23)/
    (4*s12*s123*s234*s34) - (D*s13*s14*s23)/(2*s12*s124*s234*s34) + 
   (2*s14*s23)/(s134*s234*s34) - (D*s14*s23)/(2*s134*s234*s34) + 
   (s14^2*s23)/(s12*s123*s234*s34) - (D*s14^2*s23)/(4*s12*s123*s234*s34) - 
   (D*s14^2*s23)/(2*s12*s124*s234*s34) + s23^2/(2*s12*s234*s34) + 
   (D*s23^2)/(4*s12*s234*s34) + (2*s23^2)/(s134*s234*s34) - 
   (D*s23^2)/(2*s134*s234*s34) + (s14*s23^2)/(s12*s123*s234*s34) - 
   (D*s14*s23^2)/(4*s12*s123*s234*s34) - (D*s14*s23^2)/
    (2*s12*s124*s234*s34) + (2*s24)/(s12*s34) - (D*s24)/(2*s12*s34) + 
   (2*s24)/(s123*s34) - (D*s24)/(4*s123*s34) - s24/(2*s124*s34) + 
   (D*s24)/(4*s124*s34) + (2*s13*s24)/(s12^2*s34) + 
   (2*s13*s24)/(s12*s123*s34) - (D*s13*s24)/(4*s12*s123*s34) + 
   (s13*s24)/(2*s12*s124*s34) + (D*s13*s24)/(4*s12*s124*s34) + 
   (s13^2*s24)/(s12^2*s124*s34) + (2*s24)/(s134*s34) - (D*s24)/(2*s134*s34) + 
   (2*s13*s24)/(s12*s134*s34) - (D*s13*s24)/(4*s12*s134*s34) - 
   (2*s13*s24)/(s123*s134*s34) - (2*s13^2*s24)/(s12*s123*s134*s34) + 
   (s14*s24)/(s12^2*s34) + (3*s14*s24)/(s12*s123*s34) - 
   (D*s14*s24)/(2*s12*s123*s34) + (s14*s24)/(s12*s124*s34) + 
   (D*s14*s24)/(2*s12*s124*s34) + (2*s13*s14*s24)/(s12^2*s124*s34) + 
   (3*s14*s24)/(2*s12*s134*s34) - (D*s14*s24)/(4*s12*s134*s34) + 
   (2*s14*s24)/(s123*s134*s34) - (D*s14*s24)/(2*s123*s134*s34) - 
   (D*s14*s24)/(4*s124*s134*s34) - (D*s13*s14*s24)/(2*s12*s123*s134*s34) + 
   (s13*s14*s24)/(s12*s124*s134*s34) - (D*s13*s14*s24)/
    (4*s12*s124*s134*s34) + (s14^2*s24)/(s12^2*s124*s34) + 
   (2*s14^2*s24)/(s12*s123*s134*s34) - (D*s14^2*s24)/(2*s12*s123*s134*s34) + 
   (s14^2*s24)/(s12*s124*s134*s34) - (D*s14^2*s24)/(4*s12*s124*s134*s34) + 
   (2*s23*s24)/(s12^2*s34) + (3*s23*s24)/(2*s12*s123*s34) - 
   (D*s23*s24)/(4*s12*s123*s34) - (s23*s24)/(s12*s124*s34) + 
   (D*s23*s24)/(4*s12*s124*s34) - (s13*s23*s24)/(2*s12^2*s123*s34) + 
   (s13*s23*s24)/(2*s12^2*s124*s34) + (3*s23*s24)/(s12*s134*s34) - 
   (D*s23*s24)/(2*s12*s134*s34) + (2*s23*s24)/(s123*s134*s34) - 
   (D*s23*s24)/(2*s123*s134*s34) + (s23*s24)/(s124*s134*s34) - 
   (D*s23*s24)/(4*s124*s134*s34) - (D*s13*s23*s24)/(2*s12*s123*s134*s34) + 
   (s13*s23*s24)/(s12*s124*s134*s34) - (D*s13*s23*s24)/
    (4*s12*s124*s134*s34) - (s14*s23*s24)/(s12^2*s123*s34) + 
   (4*s14*s23*s24)/(s12*s123*s134*s34) - (3*D*s14*s23*s24)/
    (2*s12*s123*s134*s34) + (3*s14*s23*s24)/(s12*s124*s134*s34) - 
   (3*D*s14*s23*s24)/(4*s12*s124*s134*s34) - (s23^2*s24)/(2*s12^2*s123*s34) - 
   (s23^2*s24)/(2*s12^2*s124*s34) + (2*s23^2*s24)/(s12*s123*s134*s34) - 
   (D*s23^2*s24)/(2*s12*s123*s134*s34) + (s23^2*s24)/(s12*s124*s134*s34) - 
   (D*s23^2*s24)/(4*s12*s124*s134*s34) - (s12*s24)/(s123*s234*s34) + 
   (s13*s24)/(2*s12*s234*s34) + (D*s13*s24)/(4*s12*s234*s34) - 
   (s13*s24)/(s123*s234*s34) + (2*s13*s24)/(s124*s234*s34) + 
   (2*s13^2*s24)/(s12*s124*s234*s34) + (2*s12*s24)/(s134*s234*s34) - 
   (D*s12*s24)/(2*s134*s234*s34) + (4*s13*s24)/(s134*s234*s34) - 
   (D*s13*s24)/(2*s134*s234*s34) - (s14*s24)/(s12*s234*s34) + 
   (D*s14*s24)/(4*s12*s234*s34) - (D*s14*s24)/(4*s123*s234*s34) + 
   (2*s14*s24)/(s124*s234*s34) - (D*s14*s24)/(2*s124*s234*s34) + 
   (s13*s14*s24)/(s12*s123*s234*s34) - (D*s13*s14*s24)/
    (4*s12*s123*s234*s34) + (4*s13*s14*s24)/(s12*s124*s234*s34) - 
   (D*s13*s14*s24)/(2*s12*s124*s234*s34) + (2*s14*s24)/(s134*s234*s34) - 
   (D*s14*s24)/(2*s134*s234*s34) + (s14^2*s24)/(s12*s123*s234*s34) - 
   (D*s14^2*s24)/(4*s12*s123*s234*s34) + (2*s14^2*s24)/(s12*s124*s234*s34) - 
   (D*s14^2*s24)/(2*s12*s124*s234*s34) + (s23*s24)/(s12*s234*s34) + 
   (D*s23*s24)/(2*s12*s234*s34) - (D*s23*s24)/(4*s123*s234*s34) + 
   (2*s23*s24)/(s124*s234*s34) - (D*s23*s24)/(2*s124*s234*s34) + 
   (s13*s23*s24)/(s12*s123*s234*s34) - (D*s13*s23*s24)/
    (4*s12*s123*s234*s34) + (4*s13*s23*s24)/(s12*s124*s234*s34) - 
   (D*s13*s23*s24)/(2*s12*s124*s234*s34) + (5*s23*s24)/(s134*s234*s34) - 
   (D*s23*s24)/(s134*s234*s34) + (3*s14*s23*s24)/(s12*s123*s234*s34) - 
   (3*D*s14*s23*s24)/(4*s12*s123*s234*s34) + 
   (4*s14*s23*s24)/(s12*s124*s234*s34) - (3*D*s14*s23*s24)/
    (2*s12*s124*s234*s34) + (s23^2*s24)/(s12*s123*s234*s34) - 
   (D*s23^2*s24)/(4*s12*s123*s234*s34) + (2*s23^2*s24)/(s12*s124*s234*s34) - 
   (D*s23^2*s24)/(2*s12*s124*s234*s34) - s24^2/(s12^2*s34) + 
   (2*s24^2)/(s12*s123*s34) - (D*s24^2)/(4*s12*s123*s34) - 
   (5*s24^2)/(2*s12*s124*s34) + (D*s24^2)/(4*s12*s124*s34) - 
   (s13*s24^2)/(s12^2*s124*s34) + (2*s24^2)/(s12*s134*s34) - 
   (D*s24^2)/(4*s12*s134*s34) + (2*s24^2)/(s123*s134*s34) - 
   (D*s24^2)/(2*s123*s134*s34) + s24^2/(s124*s134*s34) - 
   (D*s24^2)/(4*s124*s134*s34) - (D*s13*s24^2)/(2*s12*s123*s134*s34) + 
   (s13*s24^2)/(s12*s124*s134*s34) - (D*s13*s24^2)/(4*s12*s124*s134*s34) - 
   (s14*s24^2)/(s12^2*s124*s34) + (4*s14*s24^2)/(s12*s123*s134*s34) - 
   (D*s14*s24^2)/(s12*s123*s134*s34) + (2*s14*s24^2)/(s12*s124*s134*s34) - 
   (D*s14*s24^2)/(2*s12*s124*s134*s34) - (s23*s24^2)/(2*s12^2*s123*s34) - 
   (5*s23*s24^2)/(2*s12^2*s124*s34) + (4*s23*s24^2)/(s12*s123*s134*s34) - 
   (D*s23*s24^2)/(s12*s123*s134*s34) + (2*s23*s24^2)/(s12*s124*s134*s34) - 
   (D*s23*s24^2)/(2*s12*s124*s134*s34) - (5*s24^2)/(2*s12*s234*s34) + 
   (D*s24^2)/(4*s12*s234*s34) - (D*s24^2)/(4*s123*s234*s34) - 
   (2*s24^2)/(s124*s234*s34) - (D*s24^2)/(2*s124*s234*s34) + 
   (s13*s24^2)/(s12*s123*s234*s34) - (D*s13*s24^2)/(4*s12*s123*s234*s34) - 
   (D*s13*s24^2)/(2*s12*s124*s234*s34) + (3*s24^2)/(s134*s234*s34) - 
   (D*s24^2)/(2*s134*s234*s34) + (2*s14*s24^2)/(s12*s123*s234*s34) - 
   (D*s14*s24^2)/(2*s12*s123*s234*s34) - (D*s14*s24^2)/(s12*s124*s234*s34) + 
   (2*s23*s24^2)/(s12*s123*s234*s34) - (D*s23*s24^2)/(2*s12*s123*s234*s34) - 
   (D*s23*s24^2)/(s12*s124*s234*s34) - (2*s24^3)/(s12^2*s124*s34) + 
   (2*s24^3)/(s12*s123*s134*s34) - (D*s24^3)/(2*s12*s123*s134*s34) + 
   s24^3/(s12*s124*s134*s34) - (D*s24^3)/(4*s12*s124*s134*s34) + 
   s24^3/(s12*s123*s234*s34) - (D*s24^3)/(4*s12*s123*s234*s34) - 
   (2*s24^3)/(s12*s124*s234*s34) - (D*s24^3)/(2*s12*s124*s234*s34) - 
   (D*s34)/(4*s12*s123) - (D*s34)/(4*s12*s124) - s34/(s123*s124) - 
   (s13*s34)/(s12*s123*s124) - (D*s34)/(2*s123*s134) - s34/(s124*s134) + 
   (D*s34)/(4*s124*s134) + (s14*s34)/(s12*s123*s124) - 
   (D*s14*s34)/(2*s12*s123*s124) + (s23*s34)/(2*s12^2*s123) - 
   (s23*s34)/(s12*s123*s124) - s34/(s123*s234) + (D*s34)/(4*s123*s234) - 
   (D*s34)/(2*s124*s234) - (s23*s34)/(s12*s123*s234) + 
   (s24*s34)/(2*s12^2*s124) + (2*s24*s34)/(s12*s123*s124) - 
   (D*s24*s34)/(2*s12*s123*s124) + (s13*s24*s34)/(s12^2*s123*s124) - 
   (s24*s34)/(s12*s124*s134) - (s23*s24*s34)/(s12^2*s123*s124) - 
   s34^2/(s12*s123*s124) - (s23*z1)/(s12^2*z12) - (s23*z1)/(2*s12*s123*z12) - 
   (s13*s23*z1)/(2*s12^2*s123*z12) + (s14*s23*z1)/(2*s12^2*s124*z12) - 
   (s23^2*z1)/(2*s12^2*s123*z12) - (s23*z1)/(2*s12*s234*z12) - 
   (s24*z1)/(s12^2*z12) - (s24*z1)/(s12*s123*z12) - 
   (3*s24*z1)/(2*s12*s124*z12) - (s24*z1)/(s123*s124*z12) - 
   (3*s13*s24*z1)/(2*s12^2*s124*z12) - (2*s13*s24*z1)/(s12*s123*s124*z12) - 
   (s13^2*s24*z1)/(s12^2*s123*s124*z12) - (3*s14*s24*z1)/(2*s12^2*s124*z12) - 
   (s14*s24*z1)/(s12*s123*s124*z12) - (s13*s14*s24*z1)/
    (s12^2*s123*s124*z12) - (s23*s24*z1)/(s12^2*s124*z12) - 
   (2*s23*s24*z1)/(s12*s123*s124*z12) - (2*s13*s23*s24*z1)/
    (s12^2*s123*s124*z12) - (s14*s23*s24*z1)/(s12^2*s123*s124*z12) - 
   (s23^2*s24*z1)/(s12^2*s123*s124*z12) - (s24*z1)/(2*s12*s234*z12) - 
   (3*s24^2*z1)/(2*s12^2*s124*z12) - (s24^2*z1)/(s12*s123*s124*z12) - 
   (s13*s24^2*z1)/(s12^2*s123*s124*z12) - (s23*s24^2*z1)/
    (s12^2*s123*s124*z12) + (s14*s23*z1)/(s12*s34^2*z12) + 
   (s13*s14*s23*z1)/(s12^2*s34^2*z12) + (s14^2*s23*z1)/(s12^2*s34^2*z12) + 
   (s14*s23^2*z1)/(s12^2*s34^2*z12) - (s24*z1)/(s34^2*z12) - 
   (2*s13*s24*z1)/(s12*s34^2*z12) - (s13^2*s24*z1)/(s12^2*s34^2*z12) - 
   (s13*s24*z1)/(4*s134*s34^2*z12) - (s13^2*s24*z1)/(4*s12*s134*s34^2*z12) - 
   (s14*s24*z1)/(s12*s34^2*z12) - (s13*s14*s24*z1)/(s12^2*s34^2*z12) + 
   (s14*s24*z1)/(4*s134*s34^2*z12) + (s14^2*s24*z1)/(4*s12*s134*s34^2*z12) - 
   (s23*s24*z1)/(s12*s34^2*z12) - (s13*s23*s24*z1)/(s12^2*s34^2*z12) - 
   (s23*s24*z1)/(4*s134*s34^2*z12) - (s13*s23*s24*z1)/
    (2*s12*s134*s34^2*z12) + (s14*s23*s24*z1)/(s12^2*s34^2*z12) - 
   (s23^2*s24*z1)/(4*s12*s134*s34^2*z12) - (s13*s24*z1)/(4*s234*s34^2*z12) - 
   (s13^2*s24*z1)/(4*s12*s234*s34^2*z12) + (s14*s24*z1)/(4*s234*s34^2*z12) + 
   (s14^2*s24*z1)/(4*s12*s234*s34^2*z12) - (s23*s24*z1)/(4*s234*s34^2*z12) - 
   (s13*s23*s24*z1)/(2*s12*s234*s34^2*z12) - 
   (s23^2*s24*z1)/(4*s12*s234*s34^2*z12) - (s24^2*z1)/(s12*s34^2*z12) - 
   (s13*s24^2*z1)/(s12^2*s34^2*z12) + (s24^2*z1)/(4*s134*s34^2*z12) + 
   (s14*s24^2*z1)/(2*s12*s134*s34^2*z12) + (s24^2*z1)/(4*s234*s34^2*z12) + 
   (s14*s24^2*z1)/(2*s12*s234*s34^2*z12) + 
   (s24^3*z1)/(4*s12*s134*s34^2*z12) + (s24^3*z1)/(4*s12*s234*s34^2*z12) - 
   (s23*z1)/(s12*s34*z12) - (s13*s23*z1)/(s12^2*s34*z12) + 
   (s14*s23*z1)/(2*s12*s123*s34*z12) + (s14*s23*z1)/(2*s12*s124*s34*z12) + 
   (s13*s14*s23*z1)/(2*s12^2*s123*s34*z12) + (s13*s14*s23*z1)/
    (2*s12^2*s124*s34*z12) + (s14^2*s23*z1)/(2*s12^2*s123*s34*z12) + 
   (s14^2*s23*z1)/(2*s12^2*s124*s34*z12) - (s23^2*z1)/(s12^2*s34*z12) + 
   (s14*s23^2*z1)/(2*s12^2*s123*s34*z12) + 
   (s14*s23^2*z1)/(2*s12^2*s124*s34*z12) - (s23*z1)/(2*s234*s34*z12) - 
   (s13*s23*z1)/(2*s12*s234*s34*z12) - (s14*s23*z1)/(2*s12*s234*s34*z12) - 
   (s23^2*z1)/(2*s12*s234*s34*z12) - (2*s24*z1)/(s12*s34*z12) - 
   (s24*z1)/(s123*s34*z12) - (s24*z1)/(s124*s34*z12) - 
   (2*s13*s24*z1)/(s12^2*s34*z12) - (s13*s24*z1)/(s12*s123*s34*z12) - 
   (2*s13*s24*z1)/(s12*s124*s34*z12) - (s13^2*s24*z1)/(s12^2*s124*s34*z12) - 
   (s13*s24*z1)/(4*s12*s134*s34*z12) - (s14*s24*z1)/(s12^2*s34*z12) - 
   (s14*s24*z1)/(s12*s123*s34*z12) - (2*s14*s24*z1)/(s12*s124*s34*z12) - 
   (2*s13*s14*s24*z1)/(s12^2*s124*s34*z12) + 
   (s14*s24*z1)/(4*s12*s134*s34*z12) - (s14^2*s24*z1)/(s12^2*s124*s34*z12) - 
   (2*s23*s24*z1)/(s12^2*s34*z12) - (s23*s24*z1)/(2*s12*s123*s34*z12) - 
   (3*s23*s24*z1)/(2*s12*s124*s34*z12) + (s13*s23*s24*z1)/
    (2*s12^2*s123*s34*z12) - (3*s13*s23*s24*z1)/(2*s12^2*s124*s34*z12) - 
   (s23*s24*z1)/(4*s12*s134*s34*z12) + (s14*s23*s24*z1)/
    (s12^2*s123*s34*z12) - (s14*s23*s24*z1)/(s12^2*s124*s34*z12) + 
   (s23^2*s24*z1)/(2*s12^2*s123*s34*z12) - 
   (s23^2*s24*z1)/(2*s12^2*s124*s34*z12) - (s24*z1)/(2*s234*s34*z12) - 
   (3*s13*s24*z1)/(4*s12*s234*s34*z12) - (s14*s24*z1)/(4*s12*s234*s34*z12) - 
   (5*s23*s24*z1)/(4*s12*s234*s34*z12) - (s24^2*z1)/(s12^2*s34*z12) - 
   (s24^2*z1)/(s12*s123*s34*z12) - (2*s24^2*z1)/(s12*s124*s34*z12) - 
   (2*s13*s24^2*z1)/(s12^2*s124*s34*z12) + (s24^2*z1)/(4*s12*s134*s34*z12) - 
   (2*s14*s24^2*z1)/(s12^2*s124*s34*z12) + 
   (s23*s24^2*z1)/(2*s12^2*s123*s34*z12) - (3*s23*s24^2*z1)/
    (2*s12^2*s124*s34*z12) - (s24^2*z1)/(4*s12*s234*s34*z12) - 
   (s24^3*z1)/(s12^2*s124*s34*z12) - (s23*s34*z1)/(2*s12^2*s123*z12) - 
   (s24*s34*z1)/(2*s12^2*s124*z12) - (s24*s34*z1)/(s12*s123*s124*z12) - 
   (s13*s24*s34*z1)/(s12^2*s123*s124*z12) - (s23*s24*s34*z1)/
    (s12^2*s123*s124*z12) + (z1*z2)/(s123*z12^2) + (z1*z2)/(s124*z12^2) + 
   (2*s13*z1*z2)/(s12^2*z12^2) + (2*s13*z1*z2)/(s12*s123*z12^2) + 
   (s13*z1*z2)/(s12*s124*z12^2) + (s13^2*z1*z2)/(s12^2*s123*z12^2) + 
   (2*s14*z1*z2)/(s12^2*z12^2) + (s14*z1*z2)/(s12*s124*z12^2) + 
   (s13*s14*z1*z2)/(s12^2*s124*z12^2) + (2*s23*z1*z2)/(s12^2*z12^2) + 
   (2*s23*z1*z2)/(s12*s123*z12^2) + (s23*z1*z2)/(s12*s124*z12^2) + 
   (2*s13*s23*z1*z2)/(s12^2*s123*z12^2) + (s14*s23*z1*z2)/
    (s12^2*s124*z12^2) + (s23^2*z1*z2)/(s12^2*s123*z12^2) + 
   (2*s24*z1*z2)/(s12^2*z12^2) + (s24*z1*z2)/(s12*s124*z12^2) + 
   (s13*s24*z1*z2)/(s12^2*s124*z12^2) + (s23*s24*z1*z2)/(s12^2*s124*z12^2) - 
   (2*s14*z1*z2)/(s34^2*z12^2) - (2*s13*s14*z1*z2)/(s12*s34^2*z12^2) - 
   (4*s14^2*z1*z2)/(s12*s34^2*z12^2) - (2*s13*s14^2*z1*z2)/
    (s12^2*s34^2*z12^2) - (2*s14^3*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*s14*s23*z1*z2)/(s12*s34^2*z12^2) - (2*s14^2*s23*z1*z2)/
    (s12^2*s34^2*z12^2) - (2*s24*z1*z2)/(s34^2*z12^2) - 
   (2*s13*s24*z1*z2)/(s12*s34^2*z12^2) - (8*s14*s24*z1*z2)/
    (s12*s34^2*z12^2) - (4*s13*s14*s24*z1*z2)/(s12^2*s34^2*z12^2) - 
   (6*s14^2*s24*z1*z2)/(s12^2*s34^2*z12^2) - (2*s23*s24*z1*z2)/
    (s12*s34^2*z12^2) - (4*s14*s23*s24*z1*z2)/(s12^2*s34^2*z12^2) - 
   (4*s24^2*z1*z2)/(s12*s34^2*z12^2) - (2*s13*s24^2*z1*z2)/
    (s12^2*s34^2*z12^2) - (6*s14*s24^2*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*s23*s24^2*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*s24^3*z1*z2)/(s12^2*s34^2*z12^2) + (2*s13*z1*z2)/(s12*s34*z12^2) + 
   (2*s13^2*z1*z2)/(s12^2*s34*z12^2) - (s14*z1*z2)/(s123*s34*z12^2) - 
   (s14*z1*z2)/(s124*s34*z12^2) + (4*s13*s14*z1*z2)/(s12^2*s34*z12^2) - 
   (2*s13*s14*z1*z2)/(s12*s123*s34*z12^2) - (s13*s14*z1*z2)/
    (s12*s124*s34*z12^2) - (s13^2*s14*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s14^2*z1*z2)/(s12*s123*s34*z12^2) - (2*s14^2*z1*z2)/
    (s12*s124*s34*z12^2) - (s13*s14^2*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s13*s14^2*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (s14^3*z1*z2)/(s12^2*s124*s34*z12^2) + (2*s23*z1*z2)/(s12*s34*z12^2) + 
   (4*s13*s23*z1*z2)/(s12^2*s34*z12^2) + (4*s14*s23*z1*z2)/
    (s12^2*s34*z12^2) - (2*s14*s23*z1*z2)/(s12*s123*s34*z12^2) - 
   (s14*s23*z1*z2)/(s12*s124*s34*z12^2) - (2*s13*s14*s23*z1*z2)/
    (s12^2*s123*s34*z12^2) - (s14^2*s23*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s14^2*s23*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (2*s23^2*z1*z2)/(s12^2*s34*z12^2) - (s14*s23^2*z1*z2)/
    (s12^2*s123*s34*z12^2) - (s24*z1*z2)/(s123*s34*z12^2) - 
   (s24*z1*z2)/(s124*s34*z12^2) + (4*s13*s24*z1*z2)/(s12^2*s34*z12^2) - 
   (2*s13*s24*z1*z2)/(s12*s123*s34*z12^2) - (s13*s24*z1*z2)/
    (s12*s124*s34*z12^2) - (s13^2*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s14*s24*z1*z2)/(s12*s123*s34*z12^2) - (4*s14*s24*z1*z2)/
    (s12*s124*s34*z12^2) - (2*s13*s14*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s13*s14*s24*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (3*s14^2*s24*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (4*s23*s24*z1*z2)/(s12^2*s34*z12^2) - (2*s23*s24*z1*z2)/
    (s12*s123*s34*z12^2) - (s23*s24*z1*z2)/(s12*s124*s34*z12^2) - 
   (2*s13*s23*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s14*s23*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s14*s23*s24*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (s23^2*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s24^2*z1*z2)/(s12*s123*s34*z12^2) - (2*s24^2*z1*z2)/
    (s12*s124*s34*z12^2) - (s13*s24^2*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s13*s24^2*z1*z2)/(s12^2*s124*s34*z12^2) - (3*s14*s24^2*z1*z2)/
    (s12^2*s124*s34*z12^2) - (s23*s24^2*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s23*s24^2*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (s24^3*z1*z2)/(s12^2*s124*s34*z12^2) + (s34*z1*z2)/(s12*s123*z12^2) + 
   (s34*z1*z2)/(s12*s124*z12^2) + (s13*s34*z1*z2)/(s12^2*s123*z12^2) + 
   (s14*s34*z1*z2)/(s12^2*s124*z12^2) + (s23*s34*z1*z2)/(s12^2*s123*z12^2) + 
   (s24*s34*z1*z2)/(s12^2*s124*z12^2) + z2/(s12*z12) - 
   (2*s13*z2)/(s12^2*z12) - (s13*z2)/(s12*s123*z12) - 
   (s13^2*z2)/(s12^2*s123*z12) - (s12*z2)/(s123*s134*z12) + 
   (s12*z2)/(2*s124*s134*z12) - (3*s13*z2)/(4*s12*s134*z12) - 
   (2*s13*z2)/(s123*s134*z12) + (s13*z2)/(2*s124*s134*z12) - 
   (s13^2*z2)/(s12*s123*s134*z12) - (2*s14*z2)/(s12^2*z12) - 
   (s13*s14*z2)/(s12^2*s124*z12) - (3*s14*z2)/(4*s12*s134*z12) + 
   (s14*z2)/(s123*s134*z12) + (s13*s14*z2)/(s12*s123*s134*z12) + 
   (s13*s14*z2)/(2*s12*s124*s134*z12) - (s14^2*z2)/(2*s12*s124*s134*z12) - 
   (s23*z2)/(s12^2*z12) - (s23*z2)/(2*s12*s123*z12) - 
   (3*s13*s23*z2)/(2*s12^2*s123*z12) - (s23*z2)/(4*s12*s134*z12) - 
   (2*s23*z2)/(s123*s134*z12) + (s23*z2)/(2*s124*s134*z12) - 
   (2*s13*s23*z2)/(s12*s123*s134*z12) - (3*s14*s23*z2)/(2*s12^2*s124*z12) + 
   (s14*s23*z2)/(s12*s123*s134*z12) + (s14*s23*z2)/(2*s12*s124*s134*z12) - 
   (s23^2*z2)/(2*s12^2*s123*z12) - (s23^2*z2)/(s12*s123*s134*z12) + 
   (s12*z2)/(2*s123*s234*z12) - (s12*z2)/(s124*s234*z12) - 
   (3*s13*z2)/(4*s12*s234*z12) + (s13*z2)/(s123*s234*z12) - 
   (s13*z2)/(s124*s234*z12) + (s13^2*z2)/(2*s12*s123*s234*z12) - 
   (3*s14*z2)/(4*s12*s234*z12) + (s14*z2)/(2*s123*s234*z12) - 
   (2*s14*z2)/(s124*s234*z12) + (s13*s14*z2)/(2*s12*s123*s234*z12) - 
   (s13*s14*z2)/(s12*s124*s234*z12) - (s14^2*z2)/(s12*s124*s234*z12) - 
   (3*s23*z2)/(4*s12*s234*z12) + (s23*z2)/(s123*s234*z12) - 
   (s23*z2)/(s124*s234*z12) + (s13*s23*z2)/(s12*s123*s234*z12) + 
   (s14*s23*z2)/(2*s12*s123*s234*z12) - (s14*s23*z2)/(s12*s124*s234*z12) + 
   (s23^2*z2)/(2*s12*s123*s234*z12) - (s24*z2)/(s12^2*z12) + 
   (s24*z2)/(s12*s123*z12) + (3*s24*z2)/(2*s12*s124*z12) + 
   (s24*z2)/(s123*s124*z12) + (s13*s24*z2)/(2*s12^2*s124*z12) + 
   (2*s13*s24*z2)/(s12*s123*s124*z12) + (s13^2*s24*z2)/
    (s12^2*s123*s124*z12) - (s24*z2)/(4*s12*s134*z12) - 
   (s24*z2)/(s123*s134*z12) + (s24*z2)/(s124*s134*z12) - 
   (s13*s24*z2)/(s12*s123*s134*z12) + (s13*s24*z2)/(2*s12*s124*s134*z12) + 
   (3*s14*s24*z2)/(2*s12^2*s124*z12) + (s14*s24*z2)/(s12*s123*s124*z12) + 
   (s13*s14*s24*z2)/(s12^2*s123*s124*z12) + 
   (2*s23*s24*z2)/(s12*s123*s124*z12) + (2*s13*s23*s24*z2)/
    (s12^2*s123*s124*z12) - (s23*s24*z2)/(s12*s123*s134*z12) + 
   (s23*s24*z2)/(2*s12*s124*s134*z12) + (s14*s23*s24*z2)/
    (s12^2*s123*s124*z12) + (s23^2*s24*z2)/(s12^2*s123*s124*z12) - 
   (3*s24*z2)/(4*s12*s234*z12) - (s24*z2)/(2*s123*s234*z12) - 
   (s13*s24*z2)/(2*s12*s123*s234*z12) - (s13*s24*z2)/(s12*s124*s234*z12) - 
   (s23*s24*z2)/(2*s12*s123*s234*z12) - (s23*s24*z2)/(s12*s124*s234*z12) + 
   (3*s24^2*z2)/(2*s12^2*s124*z12) + (s24^2*z2)/(s12*s123*s124*z12) + 
   (s13*s24^2*z2)/(s12^2*s123*s124*z12) + (s24^2*z2)/(2*s12*s124*s134*z12) + 
   (s23*s24^2*z2)/(s12^2*s123*s124*z12) + (s24^2*z2)/(s12*s124*s234*z12) + 
   (s14*z2)/(s34^2*z12) + (s13*s14*z2)/(s12*s34^2*z12) + 
   (s12*s14*z2)/(s134*s34^2*z12) + (3*s13*s14*z2)/(4*s134*s34^2*z12) - 
   (s13^2*s14*z2)/(4*s12*s134*s34^2*z12) + (3*s14^2*z2)/(s12*s34^2*z12) + 
   (2*s13*s14^2*z2)/(s12^2*s34^2*z12) + (9*s14^2*z2)/(4*s134*s34^2*z12) + 
   (s13*s14^2*z2)/(s12*s134*s34^2*z12) + (2*s14^3*z2)/(s12^2*s34^2*z12) + 
   (5*s14^3*z2)/(4*s12*s134*s34^2*z12) - (s13*s14*s23*z2)/(s12^2*s34^2*z12) + 
   (5*s14*s23*z2)/(4*s134*s34^2*z12) + (s14^2*s23*z2)/(s12^2*s34^2*z12) + 
   (3*s14^2*s23*z2)/(2*s12*s134*s34^2*z12) - 
   (s14*s23^2*z2)/(s12^2*s34^2*z12) + (s14*s23^2*z2)/(4*s12*s134*s34^2*z12) - 
   (s13*s14*z2)/(4*s234*s34^2*z12) - (s13^2*s14*z2)/(4*s12*s234*s34^2*z12) + 
   (s14^2*z2)/(4*s234*s34^2*z12) + (s14^3*z2)/(4*s12*s234*s34^2*z12) - 
   (3*s14*s23*z2)/(4*s234*s34^2*z12) - (s13*s14*s23*z2)/
    (s12*s234*s34^2*z12) - (s14^2*s23*z2)/(2*s12*s234*s34^2*z12) - 
   (3*s14*s23^2*z2)/(4*s12*s234*s34^2*z12) + (2*s24*z2)/(s34^2*z12) + 
   (3*s13*s24*z2)/(s12*s34^2*z12) + (s13^2*s24*z2)/(s12^2*s34^2*z12) - 
   (s13*s24*z2)/(2*s134*s34^2*z12) - (s13^2*s24*z2)/(2*s12*s134*s34^2*z12) + 
   (7*s14*s24*z2)/(s12*s34^2*z12) + (5*s13*s14*s24*z2)/(s12^2*s34^2*z12) + 
   (9*s14*s24*z2)/(4*s134*s34^2*z12) + (s13*s14*s24*z2)/
    (2*s12*s134*s34^2*z12) + (6*s14^2*s24*z2)/(s12^2*s34^2*z12) + 
   (5*s14^2*s24*z2)/(2*s12*s134*s34^2*z12) + (2*s23*s24*z2)/(s12*s34^2*z12) + 
   (s13*s23*s24*z2)/(s12^2*s34^2*z12) - (s13*s23*s24*z2)/
    (2*s12*s134*s34^2*z12) + (3*s14*s23*s24*z2)/(s12^2*s34^2*z12) + 
   (3*s14*s23*s24*z2)/(2*s12*s134*s34^2*z12) + 
   (s12*s24*z2)/(s234*s34^2*z12) + (3*s13*s24*z2)/(2*s234*s34^2*z12) + 
   (s13^2*s24*z2)/(2*s12*s234*s34^2*z12) + 
   (9*s14*s24*z2)/(4*s234*s34^2*z12) + (3*s13*s14*s24*z2)/
    (2*s12*s234*s34^2*z12) + (3*s14^2*s24*z2)/(2*s12*s234*s34^2*z12) + 
   (s23*s24*z2)/(s234*s34^2*z12) + (s13*s23*s24*z2)/(2*s12*s234*s34^2*z12) + 
   (s14*s23*s24*z2)/(2*s12*s234*s34^2*z12) + (4*s24^2*z2)/(s12*s34^2*z12) + 
   (3*s13*s24^2*z2)/(s12^2*s34^2*z12) - (s13*s24^2*z2)/
    (2*s12*s134*s34^2*z12) + (6*s14*s24^2*z2)/(s12^2*s34^2*z12) + 
   (5*s14*s24^2*z2)/(4*s12*s134*s34^2*z12) + (2*s23*s24^2*z2)/
    (s12^2*s34^2*z12) + (2*s24^2*z2)/(s234*s34^2*z12) + 
   (3*s13*s24^2*z2)/(2*s12*s234*s34^2*z12) + (9*s14*s24^2*z2)/
    (4*s12*s234*s34^2*z12) + (s23*s24^2*z2)/(s12*s234*s34^2*z12) + 
   (2*s24^3*z2)/(s12^2*s34^2*z12) + (s24^3*z2)/(s12*s234*s34^2*z12) + 
   z2/(s34*z12) - (s13*z2)/(s12*s34*z12) - (2*s13^2*z2)/(s12^2*s34*z12) - 
   (3*s13*z2)/(4*s134*s34*z12) - (3*s13^2*z2)/(4*s12*s134*s34*z12) + 
   (s14*z2)/(s124*s34*z12) - (4*s13*s14*z2)/(s12^2*s34*z12) + 
   (s13*s14*z2)/(s12*s123*s34*z12) + (s13*s14*z2)/(s12*s124*s34*z12) + 
   (s13^2*s14*z2)/(s12^2*s123*s34*z12) + (s14*z2)/(4*s134*s34*z12) + 
   (2*s12*s14*z2)/(s123*s134*s34*z12) - (s12*s14*z2)/(s124*s134*s34*z12) - 
   (7*s13*s14*z2)/(4*s12*s134*s34*z12) + (4*s13*s14*z2)/(s123*s134*s34*z12) - 
   (s13*s14*z2)/(s124*s134*s34*z12) + (2*s13^2*s14*z2)/
    (s12*s123*s134*s34*z12) + (2*s14^2*z2)/(s12*s124*s34*z12) + 
   (s13*s14^2*z2)/(s12^2*s123*s34*z12) + (s13*s14^2*z2)/
    (s12^2*s124*s34*z12) + (s14^2*z2)/(2*s12*s134*s34*z12) + 
   (2*s14^2*z2)/(s123*s134*s34*z12) - (2*s14^2*z2)/(s124*s134*s34*z12) + 
   (2*s13*s14^2*z2)/(s12*s123*s134*s34*z12) - 
   (s13*s14^2*z2)/(s12*s124*s134*s34*z12) + (s14^3*z2)/(s12^2*s124*s34*z12) - 
   (s14^3*z2)/(s12*s124*s134*s34*z12) - (3*s13*s23*z2)/(s12^2*s34*z12) - 
   (s23*z2)/(4*s134*s34*z12) - (s13*s23*z2)/(s12*s134*s34*z12) - 
   (4*s14*s23*z2)/(s12^2*s34*z12) + (s14*s23*z2)/(2*s12*s123*s34*z12) + 
   (s14*s23*z2)/(2*s12*s124*s34*z12) + (3*s13*s14*s23*z2)/
    (2*s12^2*s123*s34*z12) - (s13*s14*s23*z2)/(2*s12^2*s124*s34*z12) - 
   (3*s14*s23*z2)/(4*s12*s134*s34*z12) + (4*s14*s23*z2)/(s123*s134*s34*z12) - 
   (s14*s23*z2)/(s124*s134*s34*z12) + (4*s13*s14*s23*z2)/
    (s12*s123*s134*s34*z12) + (s14^2*s23*z2)/(2*s12^2*s123*s34*z12) + 
   (s14^2*s23*z2)/(2*s12^2*s124*s34*z12) + (2*s14^2*s23*z2)/
    (s12*s123*s134*s34*z12) - (s14^2*s23*z2)/(s12*s124*s134*s34*z12) - 
   (s23^2*z2)/(s12^2*s34*z12) - (s23^2*z2)/(4*s12*s134*s34*z12) + 
   (s14*s23^2*z2)/(2*s12^2*s123*s34*z12) - 
   (s14*s23^2*z2)/(2*s12^2*s124*s34*z12) + (2*s14*s23^2*z2)/
    (s12*s123*s134*s34*z12) - (3*s13*z2)/(4*s234*s34*z12) - 
   (3*s13^2*z2)/(4*s12*s234*s34*z12) - (3*s14*z2)/(4*s234*s34*z12) - 
   (7*s13*s14*z2)/(4*s12*s234*s34*z12) - (s14^2*z2)/(2*s12*s234*s34*z12) - 
   (3*s23*z2)/(4*s234*s34*z12) - (3*s13*s23*z2)/(2*s12*s234*s34*z12) - 
   (9*s14*s23*z2)/(4*s12*s234*s34*z12) - (3*s23^2*z2)/(4*s12*s234*s34*z12) + 
   (2*s24*z2)/(s12*s34*z12) + (s24*z2)/(s123*s34*z12) + 
   (2*s24*z2)/(s124*s34*z12) - (2*s13*s24*z2)/(s12^2*s34*z12) + 
   (2*s13*s24*z2)/(s12*s123*s34*z12) + (3*s13*s24*z2)/(s12*s124*s34*z12) + 
   (s13^2*s24*z2)/(s12^2*s123*s34*z12) + (s13^2*s24*z2)/
    (s12^2*s124*s34*z12) - (s24*z2)/(4*s134*s34*z12) - 
   (3*s13*s24*z2)/(2*s12*s134*s34*z12) + (s14*s24*z2)/(s12^2*s34*z12) + 
   (s14*s24*z2)/(s12*s123*s34*z12) + (6*s14*s24*z2)/(s12*s124*s34*z12) + 
   (2*s13*s14*s24*z2)/(s12^2*s123*s34*z12) + (4*s13*s14*s24*z2)/
    (s12^2*s124*s34*z12) + (s14*s24*z2)/(4*s12*s134*s34*z12) + 
   (2*s14*s24*z2)/(s123*s134*s34*z12) - (2*s14*s24*z2)/(s124*s134*s34*z12) + 
   (2*s13*s14*s24*z2)/(s12*s123*s134*s34*z12) - 
   (s13*s14*s24*z2)/(s12*s124*s134*s34*z12) + 
   (4*s14^2*s24*z2)/(s12^2*s124*s34*z12) - (2*s14^2*s24*z2)/
    (s12*s124*s134*s34*z12) - (2*s23*s24*z2)/(s12^2*s34*z12) + 
   (3*s23*s24*z2)/(2*s12*s123*s34*z12) + (5*s23*s24*z2)/
    (2*s12*s124*s34*z12) + (3*s13*s23*s24*z2)/(2*s12^2*s123*s34*z12) + 
   (3*s13*s23*s24*z2)/(2*s12^2*s124*s34*z12) - 
   (s23*s24*z2)/(2*s12*s134*s34*z12) + (s14*s23*s24*z2)/
    (s12^2*s123*s34*z12) + (3*s14*s23*s24*z2)/(s12^2*s124*s34*z12) + 
   (2*s14*s23*s24*z2)/(s12*s123*s134*s34*z12) - 
   (s14*s23*s24*z2)/(s12*s124*s134*s34*z12) + 
   (s23^2*s24*z2)/(2*s12^2*s123*s34*z12) + 
   (s23^2*s24*z2)/(2*s12^2*s124*s34*z12) + (s24*z2)/(4*s234*s34*z12) - 
   (s12*s24*z2)/(s123*s234*s34*z12) + (2*s12*s24*z2)/(s124*s234*s34*z12) - 
   (s13*s24*z2)/(s12*s234*s34*z12) - (2*s13*s24*z2)/(s123*s234*s34*z12) + 
   (2*s13*s24*z2)/(s124*s234*s34*z12) - (s13^2*s24*z2)/
    (s12*s123*s234*s34*z12) - (s14*s24*z2)/(4*s12*s234*s34*z12) - 
   (s14*s24*z2)/(s123*s234*s34*z12) + (4*s14*s24*z2)/(s124*s234*s34*z12) - 
   (s13*s14*s24*z2)/(s12*s123*s234*s34*z12) + (2*s13*s14*s24*z2)/
    (s12*s124*s234*s34*z12) + (2*s14^2*s24*z2)/(s12*s124*s234*s34*z12) - 
   (3*s23*s24*z2)/(2*s12*s234*s34*z12) - (2*s23*s24*z2)/(s123*s234*s34*z12) + 
   (2*s23*s24*z2)/(s124*s234*s34*z12) - (2*s13*s23*s24*z2)/
    (s12*s123*s234*s34*z12) - (s14*s23*s24*z2)/(s12*s123*s234*s34*z12) + 
   (2*s14*s23*s24*z2)/(s12*s124*s234*s34*z12) - 
   (s23^2*s24*z2)/(s12*s123*s234*s34*z12) + (s24^2*z2)/(s12^2*s34*z12) + 
   (s24^2*z2)/(s12*s123*s34*z12) + (4*s24^2*z2)/(s12*s124*s34*z12) + 
   (s13*s24^2*z2)/(s12^2*s123*s34*z12) + (3*s13*s24^2*z2)/
    (s12^2*s124*s34*z12) - (s24^2*z2)/(4*s12*s134*s34*z12) + 
   (5*s14*s24^2*z2)/(s12^2*s124*s34*z12) - 
   (s14*s24^2*z2)/(s12*s124*s134*s34*z12) + 
   (s23*s24^2*z2)/(2*s12^2*s123*s34*z12) + (5*s23*s24^2*z2)/
    (2*s12^2*s124*s34*z12) + (s24^2*z2)/(4*s12*s234*s34*z12) - 
   (s24^2*z2)/(s123*s234*s34*z12) + (4*s24^2*z2)/(s124*s234*s34*z12) - 
   (s13*s24^2*z2)/(s12*s123*s234*s34*z12) + (2*s13*s24^2*z2)/
    (s12*s124*s234*s34*z12) + (4*s14*s24^2*z2)/(s12*s124*s234*s34*z12) - 
   (s23*s24^2*z2)/(s12*s123*s234*s34*z12) + (2*s23*s24^2*z2)/
    (s12*s124*s234*s34*z12) + (2*s24^3*z2)/(s12^2*s124*s34*z12) + 
   (2*s24^3*z2)/(s12*s124*s234*s34*z12) - (s13*s34*z2)/(s12^2*s123*z12) - 
   (s34*z2)/(s123*s134*z12) + (s34*z2)/(2*s124*s134*z12) - 
   (s13*s34*z2)/(s12*s123*s134*z12) - (s14*s34*z2)/(s12^2*s124*z12) + 
   (s14*s34*z2)/(2*s12*s124*s134*z12) - (s23*s34*z2)/(2*s12^2*s123*z12) - 
   (s23*s34*z2)/(s12*s123*s134*z12) + (s34*z2)/(2*s123*s234*z12) - 
   (s34*z2)/(s124*s234*z12) + (s13*s34*z2)/(2*s12*s123*s234*z12) - 
   (s14*s34*z2)/(s12*s124*s234*z12) + (s23*s34*z2)/(2*s12*s123*s234*z12) - 
   (s24*s34*z2)/(2*s12^2*s124*z12) + (s24*s34*z2)/(s12*s123*s124*z12) + 
   (s13*s24*s34*z2)/(s12^2*s123*s124*z12) + 
   (s24*s34*z2)/(2*s12*s124*s134*z12) + (s23*s24*s34*z2)/
    (s12^2*s123*s124*z12) - (s24*s34*z2)/(s12*s124*s234*z12) + z3/(s12*z12) + 
   z3/(2*s123*z12) + (s13*z3)/(2*s12*s123*z12) - (s14*z3)/(2*s12*s124*z12) + 
   (s23*z3)/(2*s12*s123*z12) + z3/(2*s234*z12) - (s24*z3)/(2*s12*s124*z12) - 
   (s24*z3)/(s123*s134*z12) + (s24*z3)/(2*s124*s134*z12) - 
   (s13*s24*z3)/(s12*s123*s134*z12) + (s14*s24*z3)/(2*s12*s124*s134*z12) - 
   (s23*s24*z3)/(s12*s123*s134*z12) - (s24*z3)/(2*s123*s234*z12) + 
   (s24*z3)/(s124*s234*z12) - (s13*s24*z3)/(2*s12*s123*s234*z12) + 
   (s14*s24*z3)/(s12*s124*s234*z12) - (s23*s24*z3)/(2*s12*s123*s234*z12) + 
   (s24^2*z3)/(2*s12*s124*s134*z12) + (s24^2*z3)/(s12*s124*s234*z12) - 
   (s14*z3)/(s34^2*z12) - (s13*s14*z3)/(s12*s34^2*z12) - 
   (s14^2*z3)/(s12*s34^2*z12) - (s14*s23*z3)/(s12*s34^2*z12) - 
   (s24*z3)/(s34^2*z12) - (s13*s24*z3)/(s12*s34^2*z12) - 
   (s12*s24*z3)/(2*s134*s34^2*z12) - (3*s13*s24*z3)/(4*s134*s34^2*z12) - 
   (s13^2*s24*z3)/(4*s12*s134*s34^2*z12) - (2*s14*s24*z3)/(s12*s34^2*z12) - 
   (5*s14*s24*z3)/(4*s134*s34^2*z12) - (s13*s14*s24*z3)/
    (s12*s134*s34^2*z12) - (3*s14^2*s24*z3)/(4*s12*s134*s34^2*z12) - 
   (s23*s24*z3)/(s12*s34^2*z12) - (3*s23*s24*z3)/(4*s134*s34^2*z12) - 
   (s13*s23*s24*z3)/(2*s12*s134*s34^2*z12) - (s14*s23*s24*z3)/
    (s12*s134*s34^2*z12) - (s23^2*s24*z3)/(4*s12*s134*s34^2*z12) + 
   (s12*s24*z3)/(2*s234*s34^2*z12) + (3*s13*s24*z3)/(4*s234*s34^2*z12) + 
   (s13^2*s24*z3)/(4*s12*s234*s34^2*z12) + 
   (5*s14*s24*z3)/(4*s234*s34^2*z12) + (s13*s14*s24*z3)/
    (s12*s234*s34^2*z12) + (3*s14^2*s24*z3)/(4*s12*s234*s34^2*z12) + 
   (3*s23*s24*z3)/(4*s234*s34^2*z12) + (s13*s23*s24*z3)/
    (2*s12*s234*s34^2*z12) + (s14*s23*s24*z3)/(s12*s234*s34^2*z12) + 
   (s23^2*s24*z3)/(4*s12*s234*s34^2*z12) - (s24^2*z3)/(s12*s34^2*z12) - 
   (5*s24^2*z3)/(4*s134*s34^2*z12) - (s13*s24^2*z3)/(s12*s134*s34^2*z12) - 
   (3*s14*s24^2*z3)/(2*s12*s134*s34^2*z12) - 
   (s23*s24^2*z3)/(s12*s134*s34^2*z12) + (5*s24^2*z3)/(4*s234*s34^2*z12) + 
   (s13*s24^2*z3)/(s12*s234*s34^2*z12) + (3*s14*s24^2*z3)/
    (2*s12*s234*s34^2*z12) + (s23*s24^2*z3)/(s12*s234*s34^2*z12) - 
   (3*s24^3*z3)/(4*s12*s134*s34^2*z12) + 
   (3*s24^3*z3)/(4*s12*s234*s34^2*z12) + z3/(s34*z12) + 
   (s13*z3)/(s12*s34*z12) - (s14*z3)/(2*s123*s34*z12) - 
   (s14*z3)/(2*s124*s34*z12) - (s13*s14*z3)/(2*s12*s123*s34*z12) - 
   (s13*s14*z3)/(2*s12*s124*s34*z12) - (s14^2*z3)/(2*s12*s123*s34*z12) - 
   (s14^2*z3)/(2*s12*s124*s34*z12) + (s23*z3)/(s12*s34*z12) - 
   (s14*s23*z3)/(2*s12*s123*s34*z12) - (s14*s23*z3)/(2*s12*s124*s34*z12) + 
   (s12*z3)/(2*s234*s34*z12) + (s13*z3)/(2*s234*s34*z12) + 
   (s14*z3)/(2*s234*s34*z12) + (s23*z3)/(2*s234*s34*z12) - 
   (s24*z3)/(2*s123*s34*z12) - (s24*z3)/(2*s124*s34*z12) - 
   (s13*s24*z3)/(2*s12*s123*s34*z12) - (s13*s24*z3)/(2*s12*s124*s34*z12) - 
   (s24*z3)/(2*s134*s34*z12) - (s12*s24*z3)/(s123*s134*s34*z12) + 
   (s12*s24*z3)/(2*s124*s134*s34*z12) - (s13*s24*z3)/(4*s12*s134*s34*z12) - 
   (2*s13*s24*z3)/(s123*s134*s34*z12) + (s13*s24*z3)/(2*s124*s134*s34*z12) - 
   (s13^2*s24*z3)/(s12*s123*s134*s34*z12) - (s14*s24*z3)/(s12*s123*s34*z12) - 
   (s14*s24*z3)/(s12*s124*s34*z12) - (3*s14*s24*z3)/(4*s12*s134*s34*z12) - 
   (s14*s24*z3)/(s123*s134*s34*z12) + (s14*s24*z3)/(s124*s134*s34*z12) - 
   (s13*s14*s24*z3)/(s12*s123*s134*s34*z12) + 
   (s13*s14*s24*z3)/(2*s12*s124*s134*s34*z12) + 
   (s14^2*s24*z3)/(2*s12*s124*s134*s34*z12) - 
   (s23*s24*z3)/(2*s12*s123*s34*z12) - (s23*s24*z3)/(2*s12*s124*s34*z12) - 
   (s23*s24*z3)/(4*s12*s134*s34*z12) - (2*s23*s24*z3)/(s123*s134*s34*z12) + 
   (s23*s24*z3)/(2*s124*s134*s34*z12) - (2*s13*s23*s24*z3)/
    (s12*s123*s134*s34*z12) - (s14*s23*s24*z3)/(s12*s123*s134*s34*z12) + 
   (s14*s23*s24*z3)/(2*s12*s124*s134*s34*z12) - 
   (s23^2*s24*z3)/(s12*s123*s134*s34*z12) + (s24*z3)/(s234*s34*z12) - 
   (s12*s24*z3)/(2*s123*s234*s34*z12) + (s12*s24*z3)/(s124*s234*s34*z12) + 
   (s13*s24*z3)/(4*s12*s234*s34*z12) - (s13*s24*z3)/(s123*s234*s34*z12) + 
   (s13*s24*z3)/(s124*s234*s34*z12) - (s13^2*s24*z3)/
    (2*s12*s123*s234*s34*z12) + (3*s14*s24*z3)/(4*s12*s234*s34*z12) - 
   (s14*s24*z3)/(2*s123*s234*s34*z12) + (2*s14*s24*z3)/(s124*s234*s34*z12) - 
   (s13*s14*s24*z3)/(2*s12*s123*s234*s34*z12) + 
   (s13*s14*s24*z3)/(s12*s124*s234*s34*z12) + 
   (s14^2*s24*z3)/(s12*s124*s234*s34*z12) + 
   (s23*s24*z3)/(4*s12*s234*s34*z12) - (s23*s24*z3)/(s123*s234*s34*z12) + 
   (s23*s24*z3)/(s124*s234*s34*z12) - (s13*s23*s24*z3)/
    (s12*s123*s234*s34*z12) - (s14*s23*s24*z3)/(2*s12*s123*s234*s34*z12) + 
   (s14*s23*s24*z3)/(s12*s124*s234*s34*z12) - 
   (s23^2*s24*z3)/(2*s12*s123*s234*s34*z12) - 
   (s24^2*z3)/(2*s12*s123*s34*z12) - (s24^2*z3)/(2*s12*s124*s34*z12) - 
   (3*s24^2*z3)/(4*s12*s134*s34*z12) - (s24^2*z3)/(s123*s134*s34*z12) + 
   (s24^2*z3)/(s124*s134*s34*z12) - (s13*s24^2*z3)/(s12*s123*s134*s34*z12) + 
   (s13*s24^2*z3)/(2*s12*s124*s134*s34*z12) + 
   (s14*s24^2*z3)/(s12*s124*s134*s34*z12) - 
   (s23*s24^2*z3)/(s12*s123*s134*s34*z12) + 
   (s23*s24^2*z3)/(2*s12*s124*s134*s34*z12) + 
   (3*s24^2*z3)/(4*s12*s234*s34*z12) - (s24^2*z3)/(2*s123*s234*s34*z12) + 
   (2*s24^2*z3)/(s124*s234*s34*z12) - (s13*s24^2*z3)/
    (2*s12*s123*s234*s34*z12) + (s13*s24^2*z3)/(s12*s124*s234*s34*z12) + 
   (2*s14*s24^2*z3)/(s12*s124*s234*s34*z12) - 
   (s23*s24^2*z3)/(2*s12*s123*s234*s34*z12) + 
   (s23*s24^2*z3)/(s12*s124*s234*s34*z12) + 
   (s24^3*z3)/(2*s12*s124*s134*s34*z12) + 
   (s24^3*z3)/(s12*s124*s234*s34*z12) + (s34*z3)/(2*s12*s123*z12) + 
   z1/(s12*z34) + z1/(2*s124*z34) + (s13*z1)/(2*s12*s124*z34) + 
   z1/(2*s134*z34) + (s14*z1)/(2*s12*s124*z34) - (s23*z1)/(s12^2*z34) + 
   (s23*z1)/(2*s12*s124*z34) - (s23*z1)/(2*s12*s134*z34) - 
   (s23*z1)/(2*s12*s234*z34) - (s24*z1)/(s12^2*z34) - 
   (s24*z1)/(2*s12*s123*z34) + (s24*z1)/(s12*s124*z34) - 
   (3*s13*s24*z1)/(4*s12^2*s123*z34) + (3*s13*s24*z1)/(4*s12^2*s124*z34) - 
   (s24*z1)/(2*s12*s134*z34) - (s24*z1)/(s123*s134*z34) - 
   (s24*z1)/(2*s124*s134*z34) - (2*s13*s24*z1)/(s12*s123*s134*z34) - 
   (s13*s24*z1)/(s12*s124*s134*z34) - (3*s14*s24*z1)/(4*s12^2*s123*z34) + 
   (3*s14*s24*z1)/(4*s12^2*s124*z34) - (2*s14*s24*z1)/(s12*s123*s134*z34) - 
   (s14*s24*z1)/(s12*s124*s134*z34) - (5*s23*s24*z1)/(4*s12^2*s123*z34) + 
   (5*s23*s24*z1)/(4*s12^2*s124*z34) - (s23*s24*z1)/(s12*s123*s134*z34) - 
   (s23*s24*z1)/(2*s12*s124*s134*z34) - (s24*z1)/(2*s12*s234*z34) + 
   (s24*z1)/(2*s123*s234*z34) + (s24*z1)/(s124*s234*z34) + 
   (s13*s24*z1)/(2*s12*s123*s234*z34) + (s13*s24*z1)/(s12*s124*s234*z34) + 
   (s14*s24*z1)/(2*s12*s123*s234*z34) + (s14*s24*z1)/(s12*s124*s234*z34) + 
   (s23*s24*z1)/(s12*s123*s234*z34) + (2*s23*s24*z1)/(s12*s124*s234*z34) - 
   (5*s24^2*z1)/(4*s12^2*s123*z34) + (5*s24^2*z1)/(4*s12^2*s124*z34) - 
   (s24^2*z1)/(s12*s123*s134*z34) - (s24^2*z1)/(2*s12*s124*s134*z34) + 
   (s24^2*z1)/(s12*s123*s234*z34) + (2*s24^2*z1)/(s12*s124*s234*z34) + 
   z1/(s34*z34) + (s13*z1)/(s12*s34*z34) + (s12*z1)/(2*s134*s34*z34) + 
   (s13*z1)/(2*s134*s34*z34) + (s14*z1)/(s12*s34*z34) + 
   (s14*z1)/(2*s134*s34*z34) - (s13*s23*z1)/(s12^2*s34*z34) - 
   (s13*s23*z1)/(2*s12*s134*s34*z34) - (s14*s23*z1)/(s12^2*s34*z34) - 
   (s14*s23*z1)/(2*s12*s134*s34*z34) - (s23^2*z1)/(s12^2*s34*z34) - 
   (s23^2*z1)/(2*s12*s134*s34*z34) - (s23*z1)/(2*s234*s34*z34) - 
   (s13*s23*z1)/(2*s12*s234*s34*z34) - (s14*s23*z1)/(2*s12*s234*s34*z34) - 
   (s23^2*z1)/(2*s12*s234*s34*z34) - (s13*s24*z1)/(s12^2*s34*z34) - 
   (s13*s24*z1)/(4*s12*s123*s34*z34) + (s13*s24*z1)/(4*s12*s124*s34*z34) - 
   (s13^2*s24*z1)/(4*s12^2*s123*s34*z34) + 
   (s13^2*s24*z1)/(4*s12^2*s124*s34*z34) - 
   (s13*s24*z1)/(2*s12*s134*s34*z34) - (s13*s24*z1)/(s123*s134*s34*z34) - 
   (s13*s24*z1)/(2*s124*s134*s34*z34) - (s13^2*s24*z1)/
    (s12*s123*s134*s34*z34) - (s13^2*s24*z1)/(2*s12*s124*s134*s34*z34) - 
   (s14*s24*z1)/(s12^2*s34*z34) - (s14*s24*z1)/(4*s12*s123*s34*z34) + 
   (s14*s24*z1)/(4*s12*s124*s34*z34) - (s13*s14*s24*z1)/
    (2*s12^2*s123*s34*z34) + (s13*s14*s24*z1)/(2*s12^2*s124*s34*z34) - 
   (s14*s24*z1)/(2*s12*s134*s34*z34) - (s14*s24*z1)/(s123*s134*s34*z34) - 
   (s14*s24*z1)/(2*s124*s134*s34*z34) - (2*s13*s14*s24*z1)/
    (s12*s123*s134*s34*z34) - (s13*s14*s24*z1)/(s12*s124*s134*s34*z34) - 
   (s14^2*s24*z1)/(4*s12^2*s123*s34*z34) + 
   (s14^2*s24*z1)/(4*s12^2*s124*s34*z34) - 
   (s14^2*s24*z1)/(s12*s123*s134*s34*z34) - 
   (s14^2*s24*z1)/(2*s12*s124*s134*s34*z34) - 
   (2*s23*s24*z1)/(s12^2*s34*z34) - (3*s23*s24*z1)/(4*s12*s123*s34*z34) + 
   (3*s23*s24*z1)/(4*s12*s124*s34*z34) - (s13*s23*s24*z1)/
    (s12^2*s123*s34*z34) + (s13*s23*s24*z1)/(s12^2*s124*s34*z34) - 
   (s23*s24*z1)/(s12*s134*s34*z34) - (s13*s23*s24*z1)/
    (s12*s123*s134*s34*z34) - (s13*s23*s24*z1)/(2*s12*s124*s134*s34*z34) - 
   (s14*s23*s24*z1)/(s12^2*s123*s34*z34) + (s14*s23*s24*z1)/
    (s12^2*s124*s34*z34) - (s14*s23*s24*z1)/(s12*s123*s134*s34*z34) - 
   (s14*s23*s24*z1)/(2*s12*s124*s134*s34*z34) - 
   (3*s23^2*s24*z1)/(4*s12^2*s123*s34*z34) + (3*s23^2*s24*z1)/
    (4*s12^2*s124*s34*z34) - (s24*z1)/(2*s234*s34*z34) - 
   (s13*s24*z1)/(2*s12*s234*s34*z34) - (s14*s24*z1)/(2*s12*s234*s34*z34) - 
   (s23*s24*z1)/(s12*s234*s34*z34) + (s23*s24*z1)/(2*s123*s234*s34*z34) + 
   (s23*s24*z1)/(s124*s234*s34*z34) + (s13*s23*s24*z1)/
    (2*s12*s123*s234*s34*z34) + (s13*s23*s24*z1)/(s12*s124*s234*s34*z34) + 
   (s14*s23*s24*z1)/(2*s12*s123*s234*s34*z34) + 
   (s14*s23*s24*z1)/(s12*s124*s234*s34*z34) + 
   (s23^2*s24*z1)/(2*s12*s123*s234*s34*z34) + 
   (s23^2*s24*z1)/(s12*s124*s234*s34*z34) - (s24^2*z1)/(s12^2*s34*z34) - 
   (3*s24^2*z1)/(4*s12*s123*s34*z34) + (3*s24^2*z1)/(4*s12*s124*s34*z34) - 
   (s13*s24^2*z1)/(s12^2*s123*s34*z34) + (s13*s24^2*z1)/
    (s12^2*s124*s34*z34) - (s24^2*z1)/(2*s12*s134*s34*z34) - 
   (s13*s24^2*z1)/(s12*s123*s134*s34*z34) - 
   (s13*s24^2*z1)/(2*s12*s124*s134*s34*z34) - 
   (s14*s24^2*z1)/(s12^2*s123*s34*z34) + (s14*s24^2*z1)/
    (s12^2*s124*s34*z34) - (s14*s24^2*z1)/(s12*s123*s134*s34*z34) - 
   (s14*s24^2*z1)/(2*s12*s124*s134*s34*z34) - 
   (3*s23*s24^2*z1)/(2*s12^2*s123*s34*z34) + (3*s23*s24^2*z1)/
    (2*s12^2*s124*s34*z34) - (s24^2*z1)/(2*s12*s234*s34*z34) + 
   (s24^2*z1)/(2*s123*s234*s34*z34) + (s24^2*z1)/(s124*s234*s34*z34) + 
   (s13*s24^2*z1)/(2*s12*s123*s234*s34*z34) + 
   (s13*s24^2*z1)/(s12*s124*s234*s34*z34) + 
   (s14*s24^2*z1)/(2*s12*s123*s234*s34*z34) + 
   (s14*s24^2*z1)/(s12*s124*s234*s34*z34) + 
   (s23*s24^2*z1)/(s12*s123*s234*s34*z34) + (2*s23*s24^2*z1)/
    (s12*s124*s234*s34*z34) - (3*s24^3*z1)/(4*s12^2*s123*s34*z34) + 
   (3*s24^3*z1)/(4*s12^2*s124*s34*z34) + 
   (s24^3*z1)/(2*s12*s123*s234*s34*z34) + 
   (s24^3*z1)/(s12*s124*s234*s34*z34) + (s34*z1)/(2*s12*s124*z34) - 
   (s24*s34*z1)/(2*s12^2*s123*z34) + (s24*s34*z1)/(2*s12^2*s124*z34) - 
   (s24*s34*z1)/(s12*s123*s134*z34) - (s24*s34*z1)/(2*s12*s124*s134*z34) + 
   (s24*s34*z1)/(2*s12*s123*s234*z34) + (s24*s34*z1)/(s12*s124*s234*z34) + 
   (s23*z1^2)/(s12^2*z12*z34) + (s24*z1^2)/(s12^2*z12*z34) + 
   (s24*z1^2)/(2*s12*s123*z12*z34) - (s24*z1^2)/(2*s12*s124*z12*z34) + 
   (3*s13*s24*z1^2)/(4*s12^2*s123*z12*z34) - (3*s13*s24*z1^2)/
    (4*s12^2*s124*z12*z34) + (3*s14*s24*z1^2)/(4*s12^2*s123*z12*z34) - 
   (3*s14*s24*z1^2)/(4*s12^2*s124*z12*z34) + (3*s23*s24*z1^2)/
    (4*s12^2*s123*z12*z34) - (3*s23*s24*z1^2)/(4*s12^2*s124*z12*z34) + 
   (3*s24^2*z1^2)/(4*s12^2*s123*z12*z34) - 
   (3*s24^2*z1^2)/(4*s12^2*s124*z12*z34) + (s23*z1^2)/(s12*s34*z12*z34) + 
   (s13*s23*z1^2)/(s12^2*s34*z12*z34) + (s14*s23*z1^2)/(s12^2*s34*z12*z34) + 
   (s23^2*z1^2)/(s12^2*s34*z12*z34) + (s24*z1^2)/(s12*s34*z12*z34) + 
   (s13*s24*z1^2)/(s12^2*s34*z12*z34) + (s13*s24*z1^2)/
    (4*s12*s123*s34*z12*z34) - (s13*s24*z1^2)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z1^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s14*s24*z1^2)/(s12^2*s34*z12*z34) + (s14*s24*z1^2)/
    (4*s12*s123*s34*z12*z34) - (s14*s24*z1^2)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14*s24*z1^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s14*s24*z1^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14^2*s24*z1^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^2*s24*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (2*s23*s24*z1^2)/(s12^2*s34*z12*z34) + (s23*s24*z1^2)/
    (4*s12*s123*s34*z12*z34) - (s23*s24*z1^2)/(4*s12*s124*s34*z12*z34) + 
   (s13*s23*s24*z1^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s23*s24*z1^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s23*s24*z1^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s14*s23*s24*z1^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^2*s24*z1^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s23^2*s24*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s24^2*z1^2)/(s12^2*s34*z12*z34) + (s24^2*z1^2)/(4*s12*s123*s34*z12*z34) - 
   (s24^2*z1^2)/(4*s12*s124*s34*z12*z34) + (s13*s24^2*z1^2)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s24^2*z1^2)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s24^2*z1^2)/
    (2*s12^2*s123*s34*z12*z34) - (s14*s24^2*z1^2)/
    (2*s12^2*s124*s34*z12*z34) + (s23*s24^2*z1^2)/
    (2*s12^2*s123*s34*z12*z34) - (s23*s24^2*z1^2)/
    (2*s12^2*s124*s34*z12*z34) + (s24^3*z1^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s24^3*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s24*s34*z1^2)/(2*s12^2*s123*z12*z34) - 
   (s24*s34*z1^2)/(2*s12^2*s124*z12*z34) + (2*z2)/(s12*z34) + 
   z2/(2*s124*z34) + (2*s13*z2)/(s12^2*z34) + (s13*z2)/(4*s12*s123*z34) + 
   (3*s13*z2)/(4*s12*s124*z34) + (s13^2*z2)/(4*s12^2*s123*z34) + 
   (s13^2*z2)/(4*s12^2*s124*z34) + z2/(s134*z34) + (s13*z2)/(s12*s134*z34) + 
   (2*s14*z2)/(s12^2*z34) + (3*s14*z2)/(4*s12*s123*z34) + 
   (s14*z2)/(4*s12*s124*z34) + (5*s13*s14*z2)/(4*s12^2*s123*z34) - 
   (s13*s14*z2)/(4*s12^2*s124*z34) + (s14*z2)/(s12*s134*z34) + 
   (s14*z2)/(s123*s134*z34) + (s14*z2)/(2*s124*s134*z34) + 
   (2*s13*s14*z2)/(s12*s123*s134*z34) + (s13*s14*z2)/(s12*s124*s134*z34) + 
   (s14^2*z2)/(s12^2*s123*z34) - (s14^2*z2)/(2*s12^2*s124*z34) + 
   (2*s14^2*z2)/(s12*s123*s134*z34) + (s14^2*z2)/(s12*s124*s134*z34) + 
   (s23*z2)/(s12^2*z34) - (s23*z2)/(4*s12*s123*z34) + 
   (s23*z2)/(4*s12*s124*z34) + (s23*z2)/(s12*s134*z34) + 
   (5*s14*s23*z2)/(4*s12^2*s123*z34) - (5*s14*s23*z2)/(4*s12^2*s124*z34) + 
   (s14*s23*z2)/(s12*s123*s134*z34) + (s14*s23*z2)/(2*s12*s124*s134*z34) - 
   (s23^2*z2)/(4*s12^2*s123*z34) - (s23^2*z2)/(4*s12^2*s124*z34) + 
   (3*z2)/(2*s234*z34) + (2*s13*z2)/(s12*s234*z34) + 
   (s12*z2)/(s134*s234*z34) + (2*s13*z2)/(s134*s234*z34) + 
   (2*s14*z2)/(s12*s234*z34) - (s14*z2)/(2*s123*s234*z34) - 
   (s14*z2)/(s124*s234*z34) - (s13*s14*z2)/(2*s12*s123*s234*z34) - 
   (s13*s14*z2)/(s12*s124*s234*z34) + (2*s14*z2)/(s134*s234*z34) - 
   (s14^2*z2)/(2*s12*s123*s234*z34) - (s14^2*z2)/(s12*s124*s234*z34) + 
   (2*s23*z2)/(s12*s234*z34) + (s23*z2)/(s134*s234*z34) - 
   (s14*s23*z2)/(s12*s123*s234*z34) - (2*s14*s23*z2)/(s12*s124*s234*z34) + 
   (s24*z2)/(s12^2*z34) - (s24*z2)/(4*s12*s123*z34) + 
   (s24*z2)/(4*s12*s124*z34) + (s24*z2)/(s12*s134*z34) + 
   (5*s14*s24*z2)/(4*s12^2*s123*z34) - (5*s14*s24*z2)/(4*s12^2*s124*z34) + 
   (s14*s24*z2)/(s12*s123*s134*z34) + (s14*s24*z2)/(2*s12*s124*s134*z34) - 
   (s23*s24*z2)/(2*s12^2*s123*z34) - (s23*s24*z2)/(2*s12^2*s124*z34) + 
   (2*s24*z2)/(s12*s234*z34) + (s24*z2)/(s134*s234*z34) - 
   (s14*s24*z2)/(s12*s123*s234*z34) - (2*s14*s24*z2)/(s12*s124*s234*z34) - 
   (s24^2*z2)/(4*s12^2*s123*z34) - (s24^2*z2)/(4*s12^2*s124*z34) + 
   z2/(s34*z34) + (2*s13*z2)/(s12*s34*z34) + (s13^2*z2)/(s12^2*s34*z34) + 
   (2*s14*z2)/(s12*s34*z34) + (2*s13*s14*z2)/(s12^2*s34*z34) + 
   (s13*s14*z2)/(4*s12*s123*s34*z34) - (s13*s14*z2)/(4*s12*s124*s34*z34) + 
   (s13^2*s14*z2)/(4*s12^2*s123*s34*z34) - 
   (s13^2*s14*z2)/(4*s12^2*s124*s34*z34) + (s13*s14*z2)/(s123*s134*s34*z34) + 
   (s13*s14*z2)/(2*s124*s134*s34*z34) + (s13^2*s14*z2)/
    (s12*s123*s134*s34*z34) + (s13^2*s14*z2)/(2*s12*s124*s134*s34*z34) + 
   (s14^2*z2)/(s12^2*s34*z34) + (s14^2*z2)/(4*s12*s123*s34*z34) - 
   (s14^2*z2)/(4*s12*s124*s34*z34) + (s13*s14^2*z2)/(2*s12^2*s123*s34*z34) - 
   (s13*s14^2*z2)/(2*s12^2*s124*s34*z34) + (s14^2*z2)/(s123*s134*s34*z34) + 
   (s14^2*z2)/(2*s124*s134*s34*z34) + (2*s13*s14^2*z2)/
    (s12*s123*s134*s34*z34) + (s13*s14^2*z2)/(s12*s124*s134*s34*z34) + 
   (s14^3*z2)/(4*s12^2*s123*s34*z34) - (s14^3*z2)/(4*s12^2*s124*s34*z34) + 
   (s14^3*z2)/(s12*s123*s134*s34*z34) + 
   (s14^3*z2)/(2*s12*s124*s134*s34*z34) + (s23*z2)/(s12*s34*z34) + 
   (s13*s23*z2)/(s12^2*s34*z34) + (s14*s23*z2)/(s12^2*s34*z34) + 
   (3*s14*s23*z2)/(4*s12*s123*s34*z34) - (3*s14*s23*z2)/
    (4*s12*s124*s34*z34) + (s13*s14*s23*z2)/(s12^2*s123*s34*z34) - 
   (s13*s14*s23*z2)/(s12^2*s124*s34*z34) + (s13*s14*s23*z2)/
    (s12*s123*s134*s34*z34) + (s13*s14*s23*z2)/(2*s12*s124*s134*s34*z34) + 
   (s14^2*s23*z2)/(s12^2*s123*s34*z34) - (s14^2*s23*z2)/
    (s12^2*s124*s34*z34) + (s14^2*s23*z2)/(s12*s123*s134*s34*z34) + 
   (s14^2*s23*z2)/(2*s12*s124*s134*s34*z34) + 
   (3*s14*s23^2*z2)/(4*s12^2*s123*s34*z34) - (3*s14*s23^2*z2)/
    (4*s12^2*s124*s34*z34) + (s12*z2)/(2*s234*s34*z34) + 
   (3*s13*z2)/(2*s234*s34*z34) + (s13^2*z2)/(s12*s234*s34*z34) + 
   (s12*s13*z2)/(s134*s234*s34*z34) + (s13^2*z2)/(s134*s234*s34*z34) + 
   (3*s14*z2)/(2*s234*s34*z34) + (2*s13*s14*z2)/(s12*s234*s34*z34) + 
   (s12*s14*z2)/(s134*s234*s34*z34) + (2*s13*s14*z2)/(s134*s234*s34*z34) + 
   (s14^2*z2)/(s12*s234*s34*z34) + (s14^2*z2)/(s134*s234*s34*z34) + 
   (3*s23*z2)/(2*s234*s34*z34) + (2*s13*s23*z2)/(s12*s234*s34*z34) + 
   (s13*s23*z2)/(s134*s234*s34*z34) + (2*s14*s23*z2)/(s12*s234*s34*z34) - 
   (s14*s23*z2)/(2*s123*s234*s34*z34) - (s14*s23*z2)/(s124*s234*s34*z34) - 
   (s13*s14*s23*z2)/(2*s12*s123*s234*s34*z34) - 
   (s13*s14*s23*z2)/(s12*s124*s234*s34*z34) + 
   (s14*s23*z2)/(s134*s234*s34*z34) - (s14^2*s23*z2)/
    (2*s12*s123*s234*s34*z34) - (s14^2*s23*z2)/(s12*s124*s234*s34*z34) + 
   (s23^2*z2)/(s12*s234*s34*z34) - (s14*s23^2*z2)/(2*s12*s123*s234*s34*z34) - 
   (s14*s23^2*z2)/(s12*s124*s234*s34*z34) + (s24*z2)/(s12*s34*z34) + 
   (s13*s24*z2)/(s12^2*s34*z34) + (s14*s24*z2)/(s12^2*s34*z34) + 
   (3*s14*s24*z2)/(4*s12*s123*s34*z34) - (3*s14*s24*z2)/
    (4*s12*s124*s34*z34) + (s13*s14*s24*z2)/(s12^2*s123*s34*z34) - 
   (s13*s14*s24*z2)/(s12^2*s124*s34*z34) + (s13*s14*s24*z2)/
    (s12*s123*s134*s34*z34) + (s13*s14*s24*z2)/(2*s12*s124*s134*s34*z34) + 
   (s14^2*s24*z2)/(s12^2*s123*s34*z34) - (s14^2*s24*z2)/
    (s12^2*s124*s34*z34) + (s14^2*s24*z2)/(s12*s123*s134*s34*z34) + 
   (s14^2*s24*z2)/(2*s12*s124*s134*s34*z34) + (3*s14*s23*s24*z2)/
    (2*s12^2*s123*s34*z34) - (3*s14*s23*s24*z2)/(2*s12^2*s124*s34*z34) + 
   (3*s24*z2)/(2*s234*s34*z34) + (2*s13*s24*z2)/(s12*s234*s34*z34) + 
   (s13*s24*z2)/(s134*s234*s34*z34) + (2*s14*s24*z2)/(s12*s234*s34*z34) - 
   (s14*s24*z2)/(2*s123*s234*s34*z34) - (s14*s24*z2)/(s124*s234*s34*z34) - 
   (s13*s14*s24*z2)/(2*s12*s123*s234*s34*z34) - 
   (s13*s14*s24*z2)/(s12*s124*s234*s34*z34) + 
   (s14*s24*z2)/(s134*s234*s34*z34) - (s14^2*s24*z2)/
    (2*s12*s123*s234*s34*z34) - (s14^2*s24*z2)/(s12*s124*s234*s34*z34) + 
   (2*s23*s24*z2)/(s12*s234*s34*z34) - (s14*s23*s24*z2)/
    (s12*s123*s234*s34*z34) - (2*s14*s23*s24*z2)/(s12*s124*s234*s34*z34) + 
   (3*s14*s24^2*z2)/(4*s12^2*s123*s34*z34) - (3*s14*s24^2*z2)/
    (4*s12^2*s124*s34*z34) + (s24^2*z2)/(s12*s234*s34*z34) - 
   (s14*s24^2*z2)/(2*s12*s123*s234*s34*z34) - 
   (s14*s24^2*z2)/(s12*s124*s234*s34*z34) + (s34*z2)/(s12^2*z34) + 
   (s34*z2)/(2*s12*s124*z34) + (s13*s34*z2)/(4*s12^2*s123*z34) + 
   (s13*s34*z2)/(4*s12^2*s124*z34) + (s34*z2)/(s12*s134*z34) + 
   (3*s14*s34*z2)/(4*s12^2*s123*z34) - (s14*s34*z2)/(4*s12^2*s124*z34) + 
   (s14*s34*z2)/(s12*s123*s134*z34) + (s14*s34*z2)/(2*s12*s124*s134*z34) - 
   (s23*s34*z2)/(4*s12^2*s123*z34) - (s23*s34*z2)/(4*s12^2*s124*z34) + 
   (s34*z2)/(s12*s234*z34) + (s34*z2)/(s134*s234*z34) - 
   (s14*s34*z2)/(2*s12*s123*s234*z34) - (s14*s34*z2)/(s12*s124*s234*z34) - 
   (s24*s34*z2)/(4*s12^2*s123*z34) - (s24*s34*z2)/(4*s12^2*s124*z34) + 
   (2*s13*z1^2*z2)/(s12^2*z12^2*z34) + (2*s14*z1^2*z2)/(s12^2*z12^2*z34) + 
   (2*s23*z1^2*z2)/(s12^2*z12^2*z34) + (2*s24*z1^2*z2)/(s12^2*z12^2*z34) - 
   (2*z1^2*z2)/(s34*z12^2*z34) - (2*s13*z1^2*z2)/(s12*s34*z12^2*z34) - 
   (2*s14*z1^2*z2)/(s12*s34*z12^2*z34) - (2*s23*z1^2*z2)/
    (s12*s34*z12^2*z34) - (2*s24*z1^2*z2)/(s12*s34*z12^2*z34) + 
   (2*s34*z1^2*z2)/(s12^2*z12^2*z34) - (3*z1*z2)/(s12*z12*z34) - 
   (z1*z2)/(2*s123*z12*z34) - (z1*z2)/(2*s124*z12*z34) - 
   (4*s13*z1*z2)/(s12^2*z12*z34) - (3*s13*z1*z2)/(4*s12*s123*z12*z34) - 
   (3*s13*z1*z2)/(4*s12*s124*z12*z34) - (s13^2*z1*z2)/
    (4*s12^2*s123*z12*z34) - (s13^2*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (z1*z2)/(2*s134*z12*z34) - (2*s13*z1*z2)/(s12*s134*z12*z34) - 
   (4*s14*z1*z2)/(s12^2*z12*z34) - (5*s14*z1*z2)/(4*s12*s123*z12*z34) - 
   (s14*z1*z2)/(4*s12*s124*z12*z34) - (5*s13*s14*z1*z2)/
    (4*s12^2*s123*z12*z34) + (s13*s14*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (2*s14*z1*z2)/(s12*s134*z12*z34) - (s14^2*z1*z2)/(s12^2*s123*z12*z34) + 
   (s14^2*z1*z2)/(2*s12^2*s124*z12*z34) - (4*s23*z1*z2)/(s12^2*z12*z34) - 
   (3*s23*z1*z2)/(4*s12*s123*z12*z34) - (3*s23*z1*z2)/(4*s12*s124*z12*z34) - 
   (s13*s23*z1*z2)/(2*s12^2*s123*z12*z34) - (s13*s23*z1*z2)/
    (2*s12^2*s124*z12*z34) - (3*s23*z1*z2)/(2*s12*s134*z12*z34) - 
   (5*s14*s23*z1*z2)/(4*s12^2*s123*z12*z34) + 
   (s14*s23*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (s23^2*z1*z2)/(4*s12^2*s123*z12*z34) - 
   (s23^2*z1*z2)/(4*s12^2*s124*z12*z34) - (3*z1*z2)/(2*s234*z12*z34) - 
   (2*s13*z1*z2)/(s12*s234*z12*z34) - (2*s14*z1*z2)/(s12*s234*z12*z34) - 
   (5*s23*z1*z2)/(2*s12*s234*z12*z34) - (4*s24*z1*z2)/(s12^2*z12*z34) - 
   (5*s24*z1*z2)/(4*s12*s123*z12*z34) - (s24*z1*z2)/(4*s12*s124*z12*z34) - 
   (5*s13*s24*z1*z2)/(4*s12^2*s123*z12*z34) + 
   (s13*s24*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (3*s24*z1*z2)/(2*s12*s134*z12*z34) - (2*s14*s24*z1*z2)/
    (s12^2*s123*z12*z34) + (s14*s24*z1*z2)/(s12^2*s124*z12*z34) - 
   (5*s23*s24*z1*z2)/(4*s12^2*s123*z12*z34) + 
   (s23*s24*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (5*s24*z1*z2)/(2*s12*s234*z12*z34) - (s24^2*z1*z2)/(s12^2*s123*z12*z34) + 
   (s24^2*z1*z2)/(2*s12^2*s124*z12*z34) - (s13*z1*z2)/(s12*s34*z12*z34) - 
   (s13^2*z1*z2)/(s12^2*s34*z12*z34) + (s12*z1*z2)/(s134*s34*z12*z34) + 
   (s13*z1*z2)/(2*s134*s34*z12*z34) - (s13^2*z1*z2)/
    (2*s12*s134*s34*z12*z34) - (s14*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s14*z1*z2)/(s12^2*s34*z12*z34) - (s13*s14*z1*z2)/
    (4*s12*s123*s34*z12*z34) + (s13*s14*z1*z2)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s14*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (s14*z1*z2)/(2*s134*s34*z12*z34) - (s13*s14*z1*z2)/
    (s12*s134*s34*z12*z34) - (s14^2*z1*z2)/(s12^2*s34*z12*z34) - 
   (s14^2*z1*z2)/(4*s12*s123*s34*z12*z34) + 
   (s14^2*z1*z2)/(4*s12*s124*s34*z12*z34) - (s13*s14^2*z1*z2)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s14^2*z1*z2)/
    (2*s12^2*s124*s34*z12*z34) - (s14^2*z1*z2)/(2*s12*s134*s34*z12*z34) - 
   (s14^3*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^3*z1*z2)/(4*s12^2*s124*s34*z12*z34) - (s23*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s23*z1*z2)/(s12^2*s34*z12*z34) + (s23*z1*z2)/(s134*s34*z12*z34) - 
   (s13*s23*z1*z2)/(2*s12*s134*s34*z12*z34) - 
   (2*s14*s23*z1*z2)/(s12^2*s34*z12*z34) - (s14*s23*z1*z2)/
    (4*s12*s123*s34*z12*z34) + (s14*s23*z1*z2)/(4*s12*s124*s34*z12*z34) - 
   (s13*s14*s23*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14*s23*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (s14*s23*z1*z2)/(2*s12*s134*s34*z12*z34) - 
   (s14^2*s23*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (s23^2*z1*z2)/(s12^2*s34*z12*z34) - (s14*s23^2*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) + (s14*s23^2*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) - (s13*z1*z2)/(2*s234*s34*z12*z34) - 
   (s13^2*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (s14*z1*z2)/(2*s234*s34*z12*z34) - (s13*s14*z1*z2)/
    (s12*s234*s34*z12*z34) - (s14^2*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (s23*z1*z2)/(s234*s34*z12*z34) - (3*s13*s23*z1*z2)/
    (2*s12*s234*s34*z12*z34) - (3*s14*s23*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (s23^2*z1*z2)/(s12*s234*s34*z12*z34) - (s24*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s24*z1*z2)/(s12^2*s34*z12*z34) - (s13*s24*z1*z2)/
    (4*s12*s123*s34*z12*z34) + (s13*s24*z1*z2)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s24*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (s24*z1*z2)/(s134*s34*z12*z34) - (s13*s24*z1*z2)/
    (2*s12*s134*s34*z12*z34) - (2*s14*s24*z1*z2)/(s12^2*s34*z12*z34) - 
   (s14*s24*z1*z2)/(2*s12*s123*s34*z12*z34) + 
   (s14*s24*z1*z2)/(2*s12*s124*s34*z12*z34) - (s13*s14*s24*z1*z2)/
    (s12^2*s123*s34*z12*z34) + (s13*s14*s24*z1*z2)/(s12^2*s124*s34*z12*z34) - 
   (s14*s24*z1*z2)/(2*s12*s134*s34*z12*z34) - (3*s14^2*s24*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) + (3*s14^2*s24*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) - (2*s23*s24*z1*z2)/(s12^2*s34*z12*z34) - 
   (s23*s24*z1*z2)/(4*s12*s123*s34*z12*z34) + 
   (s23*s24*z1*z2)/(4*s12*s124*s34*z12*z34) - (s13*s23*s24*z1*z2)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s23*s24*z1*z2)/
    (2*s12^2*s124*s34*z12*z34) - (s14*s23*s24*z1*z2)/
    (s12^2*s123*s34*z12*z34) + (s14*s23*s24*z1*z2)/(s12^2*s124*s34*z12*z34) - 
   (s23^2*s24*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s23^2*s24*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s24*z1*z2)/(s234*s34*z12*z34) - (3*s13*s24*z1*z2)/
    (2*s12*s234*s34*z12*z34) - (3*s14*s24*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (2*s23*s24*z1*z2)/(s12*s234*s34*z12*z34) - 
   (s24^2*z1*z2)/(s12^2*s34*z12*z34) - (s24^2*z1*z2)/
    (4*s12*s123*s34*z12*z34) + (s24^2*z1*z2)/(4*s12*s124*s34*z12*z34) - 
   (s13*s24^2*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s24^2*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (3*s14*s24^2*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (3*s14*s24^2*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s23*s24^2*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (s23*s24^2*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (s24^2*z1*z2)/(s12*s234*s34*z12*z34) - 
   (s24^3*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s24^3*z1*z2)/(4*s12^2*s124*s34*z12*z34) - (3*s34*z1*z2)/(s12^2*z12*z34) - 
   (s34*z1*z2)/(2*s12*s123*z12*z34) - (s34*z1*z2)/(2*s12*s124*z12*z34) - 
   (s13*s34*z1*z2)/(4*s12^2*s123*z12*z34) - (s13*s34*z1*z2)/
    (4*s12^2*s124*z12*z34) - (3*s34*z1*z2)/(2*s12*s134*z12*z34) - 
   (3*s14*s34*z1*z2)/(4*s12^2*s123*z12*z34) + 
   (s14*s34*z1*z2)/(4*s12^2*s124*z12*z34) - (s23*s34*z1*z2)/
    (4*s12^2*s123*z12*z34) - (s23*s34*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (3*s34*z1*z2)/(2*s12*s234*z12*z34) - (3*s24*s34*z1*z2)/
    (4*s12^2*s123*z12*z34) + (s24*s34*z1*z2)/(4*s12^2*s124*z12*z34) + 
   (2*s13*z1*z2^2)/(s12^2*z12^2*z34) + (2*s14*z1*z2^2)/(s12^2*z12^2*z34) + 
   (2*s23*z1*z2^2)/(s12^2*z12^2*z34) + (2*s24*z1*z2^2)/(s12^2*z12^2*z34) - 
   (2*z1*z2^2)/(s34*z12^2*z34) - (2*s13*z1*z2^2)/(s12*s34*z12^2*z34) - 
   (2*s14*z1*z2^2)/(s12*s34*z12^2*z34) - (2*s23*z1*z2^2)/
    (s12*s34*z12^2*z34) - (2*s24*z1*z2^2)/(s12*s34*z12^2*z34) + 
   (2*s34*z1*z2^2)/(s12^2*z12^2*z34) + z2^2/(s12*z12*z34) + 
   z2^2/(2*s123*z12*z34) + z2^2/(2*s124*z12*z34) + 
   (3*s13*z2^2)/(4*s12*s123*z12*z34) + (3*s13*z2^2)/(4*s12*s124*z12*z34) + 
   (s13^2*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s13^2*z2^2)/(4*s12^2*s124*z12*z34) - z2^2/(2*s134*z12*z34) - 
   (s13*z2^2)/(s12*s134*z12*z34) + (5*s14*z2^2)/(4*s12*s123*z12*z34) + 
   (s14*z2^2)/(4*s12*s124*z12*z34) + (5*s13*s14*z2^2)/
    (4*s12^2*s123*z12*z34) - (s13*s14*z2^2)/(4*s12^2*s124*z12*z34) - 
   (s14*z2^2)/(s12*s134*z12*z34) + (s14^2*z2^2)/(s12^2*s123*z12*z34) - 
   (s14^2*z2^2)/(2*s12^2*s124*z12*z34) - (s23*z2^2)/(s12^2*z12*z34) + 
   (3*s23*z2^2)/(4*s12*s123*z12*z34) + (3*s23*z2^2)/(4*s12*s124*z12*z34) + 
   (s13*s23*z2^2)/(2*s12^2*s123*z12*z34) + 
   (s13*s23*z2^2)/(2*s12^2*s124*z12*z34) - (s23*z2^2)/(2*s12*s134*z12*z34) + 
   (5*s14*s23*z2^2)/(4*s12^2*s123*z12*z34) - 
   (s14*s23*z2^2)/(4*s12^2*s124*z12*z34) + 
   (s23^2*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s23^2*z2^2)/(4*s12^2*s124*z12*z34) + z2^2/(2*s234*z12*z34) - 
   (s23*z2^2)/(2*s12*s234*z12*z34) - (s24*z2^2)/(s12^2*z12*z34) + 
   (3*s24*z2^2)/(4*s12*s123*z12*z34) + (3*s24*z2^2)/(4*s12*s124*z12*z34) + 
   (s13*s24*z2^2)/(2*s12^2*s123*z12*z34) + 
   (s13*s24*z2^2)/(2*s12^2*s124*z12*z34) - (s24*z2^2)/(2*s12*s134*z12*z34) + 
   (5*s14*s24*z2^2)/(4*s12^2*s123*z12*z34) - 
   (s14*s24*z2^2)/(4*s12^2*s124*z12*z34) + 
   (s23*s24*z2^2)/(2*s12^2*s123*z12*z34) + 
   (s23*s24*z2^2)/(2*s12^2*s124*z12*z34) - (s24*z2^2)/(2*s12*s234*z12*z34) + 
   (s24^2*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s24^2*z2^2)/(4*s12^2*s124*z12*z34) + (2*z2^2)/(s34*z12*z34) + 
   (3*s13*z2^2)/(s12*s34*z12*z34) + (s13^2*z2^2)/(s12^2*s34*z12*z34) - 
   (s13*z2^2)/(2*s134*s34*z12*z34) - (s13^2*z2^2)/(2*s12*s134*s34*z12*z34) + 
   (3*s14*z2^2)/(s12*s34*z12*z34) + (2*s13*s14*z2^2)/(s12^2*s34*z12*z34) + 
   (s13*s14*z2^2)/(4*s12*s123*s34*z12*z34) - 
   (s13*s14*z2^2)/(4*s12*s124*s34*z12*z34) + (s13^2*s14*z2^2)/
    (4*s12^2*s123*s34*z12*z34) - (s13^2*s14*z2^2)/
    (4*s12^2*s124*s34*z12*z34) - (s14*z2^2)/(2*s134*s34*z12*z34) - 
   (s13*s14*z2^2)/(s12*s134*s34*z12*z34) + (s14^2*z2^2)/(s12^2*s34*z12*z34) + 
   (s14^2*z2^2)/(4*s12*s123*s34*z12*z34) - 
   (s14^2*z2^2)/(4*s12*s124*s34*z12*z34) + (s13*s14^2*z2^2)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s14^2*z2^2)/
    (2*s12^2*s124*s34*z12*z34) - (s14^2*z2^2)/(2*s12*s134*s34*z12*z34) + 
   (s14^3*z2^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^3*z2^2)/(4*s12^2*s124*s34*z12*z34) + (2*s23*z2^2)/(s12*s34*z12*z34) + 
   (s13*s23*z2^2)/(s12^2*s34*z12*z34) - (s13*s23*z2^2)/
    (2*s12*s134*s34*z12*z34) + (s14*s23*z2^2)/(s12^2*s34*z12*z34) + 
   (s14*s23*z2^2)/(4*s12*s123*s34*z12*z34) - 
   (s14*s23*z2^2)/(4*s12*s124*s34*z12*z34) + (s13*s14*s23*z2^2)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s14*s23*z2^2)/
    (2*s12^2*s124*s34*z12*z34) - (s14*s23*z2^2)/(2*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z2^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s14^2*s23*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s23^2*z2^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s14*s23^2*z2^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s12*z2^2)/(s234*s34*z12*z34) + (3*s13*z2^2)/(2*s234*s34*z12*z34) + 
   (s13^2*z2^2)/(2*s12*s234*s34*z12*z34) + 
   (3*s14*z2^2)/(2*s234*s34*z12*z34) + (s13*s14*z2^2)/
    (s12*s234*s34*z12*z34) + (s14^2*z2^2)/(2*s12*s234*s34*z12*z34) + 
   (s23*z2^2)/(s234*s34*z12*z34) + (s13*s23*z2^2)/(2*s12*s234*s34*z12*z34) + 
   (s14*s23*z2^2)/(2*s12*s234*s34*z12*z34) + (2*s24*z2^2)/(s12*s34*z12*z34) + 
   (s13*s24*z2^2)/(s12^2*s34*z12*z34) - (s13*s24*z2^2)/
    (2*s12*s134*s34*z12*z34) + (s14*s24*z2^2)/(s12^2*s34*z12*z34) + 
   (s14*s24*z2^2)/(4*s12*s123*s34*z12*z34) - 
   (s14*s24*z2^2)/(4*s12*s124*s34*z12*z34) + (s13*s14*s24*z2^2)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s14*s24*z2^2)/
    (2*s12^2*s124*s34*z12*z34) - (s14*s24*z2^2)/(2*s12*s134*s34*z12*z34) + 
   (s14^2*s24*z2^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s14^2*s24*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s23*s24*z2^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s14*s23*s24*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s24*z2^2)/(s234*s34*z12*z34) + (s13*s24*z2^2)/(2*s12*s234*s34*z12*z34) + 
   (s14*s24*z2^2)/(2*s12*s234*s34*z12*z34) + (s14*s24^2*z2^2)/
    (4*s12^2*s123*s34*z12*z34) - (s14*s24^2*z2^2)/
    (4*s12^2*s124*s34*z12*z34) - (s34*z2^2)/(s12^2*z12*z34) + 
   (s34*z2^2)/(2*s12*s123*z12*z34) + (s34*z2^2)/(2*s12*s124*z12*z34) + 
   (s13*s34*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s13*s34*z2^2)/(4*s12^2*s124*z12*z34) - (s34*z2^2)/(2*s12*s134*z12*z34) + 
   (3*s14*s34*z2^2)/(4*s12^2*s123*z12*z34) - 
   (s14*s34*z2^2)/(4*s12^2*s124*z12*z34) + 
   (s23*s34*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s23*s34*z2^2)/(4*s12^2*s124*z12*z34) - (s34*z2^2)/(2*s12*s234*z12*z34) + 
   (s24*s34*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s24*s34*z2^2)/(4*s12^2*s124*z12*z34) - (s14*z3)/(2*s12*s124*z34) - 
   (s24*z3)/(s12^2*z34) - (s24*z3)/(2*s12*s124*z34) - 
   (s13*s24*z3)/(4*s12^2*s123*z34) - (s13*s24*z3)/(4*s12^2*s124*z34) - 
   (s24*z3)/(s12*s134*z34) - (s14*s24*z3)/(4*s12^2*s123*z34) - 
   (s14*s24*z3)/(4*s12^2*s124*z34) + (s23*s24*z3)/(4*s12^2*s123*z34) + 
   (s23*s24*z3)/(4*s12^2*s124*z34) - (s24*z3)/(s12*s234*z34) - 
   (s24*z3)/(s134*s234*z34) + (s24^2*z3)/(4*s12^2*s123*z34) + 
   (s24^2*z3)/(4*s12^2*s124*z34) - (s14*z3)/(s34^2*z34) - 
   (s13*s14*z3)/(s12*s34^2*z34) - (s12*s14*z3)/(2*s134*s34^2*z34) - 
   (s13*s14*z3)/(2*s134*s34^2*z34) - (s14^2*z3)/(s12*s34^2*z34) - 
   (s14^2*z3)/(2*s134*s34^2*z34) + (s13*s14*s23*z3)/(s12^2*s34^2*z34) + 
   (s13*s14*s23*z3)/(2*s12*s134*s34^2*z34) + 
   (s14^2*s23*z3)/(s12^2*s34^2*z34) + (s14^2*s23*z3)/(2*s12*s134*s34^2*z34) + 
   (s14*s23^2*z3)/(s12^2*s34^2*z34) + (s14*s23^2*z3)/(2*s12*s134*s34^2*z34) + 
   (s14*s23*z3)/(2*s234*s34^2*z34) + (s13*s14*s23*z3)/
    (2*s12*s234*s34^2*z34) + (s14^2*s23*z3)/(2*s12*s234*s34^2*z34) + 
   (s14*s23^2*z3)/(2*s12*s234*s34^2*z34) - (s24*z3)/(s34^2*z34) - 
   (2*s13*s24*z3)/(s12*s34^2*z34) - (s13^2*s24*z3)/(s12^2*s34^2*z34) - 
   (2*s14*s24*z3)/(s12*s34^2*z34) - (s13*s14*s24*z3)/(s12^2*s34^2*z34) + 
   (s13*s14*s24*z3)/(2*s12*s134*s34^2*z34) + 
   (s14^2*s24*z3)/(2*s12*s134*s34^2*z34) - (s23*s24*z3)/(s12*s34^2*z34) - 
   (s13*s23*s24*z3)/(s12^2*s34^2*z34) + (s14*s23*s24*z3)/(s12^2*s34^2*z34) + 
   (s14*s23*s24*z3)/(s12*s134*s34^2*z34) - (s12*s24*z3)/(2*s234*s34^2*z34) - 
   (3*s13*s24*z3)/(2*s234*s34^2*z34) - (s13^2*s24*z3)/(s12*s234*s34^2*z34) - 
   (s12*s13*s24*z3)/(s134*s234*s34^2*z34) - 
   (s13^2*s24*z3)/(s134*s234*s34^2*z34) - (s14*s24*z3)/(s234*s34^2*z34) - 
   (3*s13*s14*s24*z3)/(2*s12*s234*s34^2*z34) - 
   (s12*s14*s24*z3)/(s134*s234*s34^2*z34) - (2*s13*s14*s24*z3)/
    (s134*s234*s34^2*z34) - (s14^2*s24*z3)/(2*s12*s234*s34^2*z34) - 
   (s14^2*s24*z3)/(s134*s234*s34^2*z34) - (3*s23*s24*z3)/(2*s234*s34^2*z34) - 
   (2*s13*s23*s24*z3)/(s12*s234*s34^2*z34) - (s13*s23*s24*z3)/
    (s134*s234*s34^2*z34) - (s14*s23*s24*z3)/(s12*s234*s34^2*z34) - 
   (s14*s23*s24*z3)/(s134*s234*s34^2*z34) - 
   (s23^2*s24*z3)/(s12*s234*s34^2*z34) - (s24^2*z3)/(s12*s34^2*z34) - 
   (s13*s24^2*z3)/(s12^2*s34^2*z34) + (s14*s24^2*z3)/(2*s12*s134*s34^2*z34) - 
   (3*s24^2*z3)/(2*s234*s34^2*z34) - (2*s13*s24^2*z3)/(s12*s234*s34^2*z34) - 
   (s13*s24^2*z3)/(s134*s234*s34^2*z34) - (3*s14*s24^2*z3)/
    (2*s12*s234*s34^2*z34) - (s14*s24^2*z3)/(s134*s234*s34^2*z34) - 
   (2*s23*s24^2*z3)/(s12*s234*s34^2*z34) - (s24^3*z3)/(s12*s234*s34^2*z34) - 
   (s14*z3)/(s12*s34*z34) - (s14*z3)/(2*s124*s34*z34) - 
   (s13*s14*z3)/(2*s12*s124*s34*z34) - (s14*z3)/(2*s134*s34*z34) - 
   (s14^2*z3)/(2*s12*s124*s34*z34) + (s14*s23*z3)/(s12^2*s34*z34) - 
   (s14*s23*z3)/(2*s12*s124*s34*z34) + (s14*s23*z3)/(2*s12*s134*s34*z34) + 
   (s14*s23*z3)/(2*s12*s234*s34*z34) - (2*s24*z3)/(s12*s34*z34) - 
   (s24*z3)/(2*s124*s34*z34) - (2*s13*s24*z3)/(s12^2*s34*z34) - 
   (s13*s24*z3)/(4*s12*s123*s34*z34) - (3*s13*s24*z3)/(4*s12*s124*s34*z34) - 
   (s13^2*s24*z3)/(4*s12^2*s123*s34*z34) - 
   (s13^2*s24*z3)/(4*s12^2*s124*s34*z34) - (s24*z3)/(s134*s34*z34) - 
   (s13*s24*z3)/(s12*s134*s34*z34) - (s14*s24*z3)/(s12^2*s34*z34) - 
   (s14*s24*z3)/(4*s12*s123*s34*z34) - (5*s14*s24*z3)/(4*s12*s124*s34*z34) - 
   (s13*s14*s24*z3)/(2*s12^2*s123*s34*z34) - (s13*s14*s24*z3)/
    (2*s12^2*s124*s34*z34) - (s14*s24*z3)/(2*s12*s134*s34*z34) - 
   (s14^2*s24*z3)/(4*s12^2*s123*s34*z34) - 
   (s14^2*s24*z3)/(4*s12^2*s124*s34*z34) - (s23*s24*z3)/(s12^2*s34*z34) + 
   (s23*s24*z3)/(4*s12*s123*s34*z34) - (s23*s24*z3)/(4*s12*s124*s34*z34) - 
   (s23*s24*z3)/(s12*s134*s34*z34) + (s23^2*s24*z3)/(4*s12^2*s123*s34*z34) + 
   (s23^2*s24*z3)/(4*s12^2*s124*s34*z34) - (3*s24*z3)/(2*s234*s34*z34) - 
   (2*s13*s24*z3)/(s12*s234*s34*z34) - (s12*s24*z3)/(s134*s234*s34*z34) - 
   (2*s13*s24*z3)/(s134*s234*s34*z34) - (3*s14*s24*z3)/(2*s12*s234*s34*z34) - 
   (2*s14*s24*z3)/(s134*s234*s34*z34) - (2*s23*s24*z3)/(s12*s234*s34*z34) - 
   (s23*s24*z3)/(s134*s234*s34*z34) - (s24^2*z3)/(s12^2*s34*z34) + 
   (s24^2*z3)/(4*s12*s123*s34*z34) - (s24^2*z3)/(4*s12*s124*s34*z34) - 
   (s24^2*z3)/(s12*s134*s34*z34) + (s23*s24^2*z3)/(2*s12^2*s123*s34*z34) + 
   (s23*s24^2*z3)/(2*s12^2*s124*s34*z34) - (2*s24^2*z3)/(s12*s234*s34*z34) - 
   (s24^2*z3)/(s134*s234*s34*z34) + (s24^3*z3)/(4*s12^2*s123*s34*z34) + 
   (s24^3*z3)/(4*s12^2*s124*s34*z34) - (z1*z3)/(s12*z12*z34) + 
   (s24*z1*z3)/(s12^2*z12*z34) + (s24*z1*z3)/(2*s12*s123*z12*z34) + 
   (s24*z1*z3)/(2*s12*s124*z12*z34) + (s13*s24*z1*z3)/
    (4*s12^2*s123*z12*z34) + (s13*s24*z1*z3)/(4*s12^2*s124*z12*z34) + 
   (s24*z1*z3)/(2*s12*s134*z12*z34) + (s14*s24*z1*z3)/
    (4*s12^2*s123*z12*z34) + (s14*s24*z1*z3)/(4*s12^2*s124*z12*z34) + 
   (s23*s24*z1*z3)/(4*s12^2*s123*z12*z34) + (s23*s24*z1*z3)/
    (4*s12^2*s124*z12*z34) + (s24*z1*z3)/(2*s12*s234*z12*z34) + 
   (s24^2*z1*z3)/(4*s12^2*s123*z12*z34) + 
   (s24^2*z1*z3)/(4*s12^2*s124*z12*z34) - (s14*s23*z1*z3)/
    (s12*s34^2*z12*z34) - (s13*s14*s23*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s14^2*s23*z1*z3)/(s12^2*s34^2*z12*z34) - (s14*s23^2*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s24*z1*z3)/(s34^2*z12*z34) + 
   (2*s13*s24*z1*z3)/(s12*s34^2*z12*z34) + (s13^2*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s13*s24*z1*z3)/(4*s134*s34^2*z12*z34) + 
   (s13^2*s24*z1*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s14*s24*z1*z3)/(s12*s34^2*z12*z34) + (s13*s14*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s14*s24*z1*z3)/(4*s134*s34^2*z12*z34) + 
   (s13*s14*s24*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*s24*z1*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s23*s24*z1*z3)/(s12*s34^2*z12*z34) + (s13*s23*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s23*s24*z1*z3)/(4*s134*s34^2*z12*z34) + 
   (s13*s23*s24*z1*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s23*s24*z1*z3)/(s12^2*s34^2*z12*z34) + (s14*s23*s24*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) + (s23^2*s24*z1*z3)/
    (4*s12*s134*s34^2*z12*z34) + (s13*s24*z1*z3)/(4*s234*s34^2*z12*z34) + 
   (s13^2*s24*z1*z3)/(4*s12*s234*s34^2*z12*z34) + 
   (s14*s24*z1*z3)/(4*s234*s34^2*z12*z34) + (s13*s14*s24*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s24*z1*z3)/
    (4*s12*s234*s34^2*z12*z34) + (s23*s24*z1*z3)/(4*s234*s34^2*z12*z34) + 
   (s13*s23*s24*z1*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s23*s24*z1*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s23^2*s24*z1*z3)/(4*s12*s234*s34^2*z12*z34) + 
   (s24^2*z1*z3)/(s12*s34^2*z12*z34) + (s13*s24^2*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s24^2*z1*z3)/(4*s134*s34^2*z12*z34) + 
   (s13*s24^2*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s24^2*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s23*s24^2*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s24^2*z1*z3)/(4*s234*s34^2*z12*z34) + (s13*s24^2*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s24^2*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s23*s24^2*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s24^3*z1*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s24^3*z1*z3)/(4*s12*s234*s34^2*z12*z34) - (z1*z3)/(s34*z12*z34) - 
   (s13*z1*z3)/(s12*s34*z12*z34) - (s14*z1*z3)/(s12*s34*z12*z34) - 
   (s23*z1*z3)/(s12*s34*z12*z34) - (s14*s23*z1*z3)/(s12^2*s34*z12*z34) + 
   (s24*z1*z3)/(s12*s34*z12*z34) + (s24*z1*z3)/(2*s123*s34*z12*z34) + 
   (s24*z1*z3)/(2*s124*s34*z12*z34) + (2*s13*s24*z1*z3)/(s12^2*s34*z12*z34) + 
   (3*s13*s24*z1*z3)/(4*s12*s123*s34*z12*z34) + 
   (3*s13*s24*z1*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z1*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z1*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s24*z1*z3)/(2*s134*s34*z12*z34) + (3*s13*s24*z1*z3)/
    (4*s12*s134*s34*z12*z34) + (s14*s24*z1*z3)/(s12^2*s34*z12*z34) + 
   (3*s14*s24*z1*z3)/(4*s12*s123*s34*z12*z34) + 
   (3*s14*s24*z1*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14*s24*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14*s24*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s14*s24*z1*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14^2*s24*z1*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^2*s24*z1*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s23*s24*z1*z3)/(s12^2*s34*z12*z34) + (3*s23*s24*z1*z3)/
    (4*s12*s123*s34*z12*z34) + (3*s23*s24*z1*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13*s23*s24*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s23*s24*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s23*s24*z1*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14*s23*s24*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23*s24*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^2*s24*z1*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s23^2*s24*z1*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s24*z1*z3)/(2*s234*s34*z12*z34) + (3*s13*s24*z1*z3)/
    (4*s12*s234*s34*z12*z34) + (3*s14*s24*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (3*s23*s24*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (s24^2*z1*z3)/(s12^2*s34*z12*z34) + (3*s24^2*z1*z3)/
    (4*s12*s123*s34*z12*z34) + (3*s24^2*z1*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13*s24^2*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s24^2*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s24^2*z1*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14*s24^2*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s24^2*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s23*s24^2*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s23*s24^2*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s24^2*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (s24^3*z1*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s24^3*z1*z3)/(4*s12^2*s124*s34*z12*z34) - 
   (2*s14*z1*z2*z3)/(s12^2*z12^2*z34) - (2*s24*z1*z2*z3)/(s12^2*z12^2*z34) + 
   (2*s14*z1*z2*z3)/(s34^2*z12^2*z34) + (2*s13*s14*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) + (2*s14^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (2*s14*s23*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (2*s24*z1*z2*z3)/(s34^2*z12^2*z34) + (2*s13*s24*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) + (4*s14*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (2*s23*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (2*s24^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (2*s13*s14*z1*z2*z3)/
    (s12^2*s34*z12^2*z34) - (2*s14^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (2*s14*s23*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (2*s13*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (4*s14*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (2*s23*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (2*s24^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) - (z2*z3)/(s12*z12*z34) - 
   (z2*z3)/(2*s134*z12*z34) - (s13*z2*z3)/(4*s12*s134*z12*z34) + 
   (2*s14*z2*z3)/(s12^2*z12*z34) + (3*s14*z2*z3)/(4*s12*s134*z12*z34) - 
   (s23*z2*z3)/(4*s12*s134*z12*z34) + (z2*z3)/(2*s234*z12*z34) + 
   (s13*z2*z3)/(4*s12*s234*z12*z34) + (5*s14*z2*z3)/(4*s12*s234*z12*z34) + 
   (s23*z2*z3)/(4*s12*s234*z12*z34) + (s24*z2*z3)/(s12^2*z12*z34) - 
   (s24*z2*z3)/(2*s12*s123*z12*z34) - (s24*z2*z3)/(2*s12*s124*z12*z34) - 
   (s13*s24*z2*z3)/(4*s12^2*s123*z12*z34) - (s13*s24*z2*z3)/
    (4*s12^2*s124*z12*z34) + (s24*z2*z3)/(4*s12*s134*z12*z34) - 
   (s14*s24*z2*z3)/(4*s12^2*s123*z12*z34) - (s14*s24*z2*z3)/
    (4*s12^2*s124*z12*z34) - (s23*s24*z2*z3)/(4*s12^2*s123*z12*z34) - 
   (s23*s24*z2*z3)/(4*s12^2*s124*z12*z34) + 
   (3*s24*z2*z3)/(4*s12*s234*z12*z34) - (s24^2*z2*z3)/
    (4*s12^2*s123*z12*z34) - (s24^2*z2*z3)/(4*s12^2*s124*z12*z34) - 
   (s14*z2*z3)/(s34^2*z12*z34) - (s13*s14*z2*z3)/(s12*s34^2*z12*z34) - 
   (s12*s14*z2*z3)/(s134*s34^2*z12*z34) - (3*s13*s14*z2*z3)/
    (4*s134*s34^2*z12*z34) + (s13^2*s14*z2*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (s14^2*z2*z3)/(s12*s34^2*z12*z34) - (3*s14^2*z2*z3)/
    (4*s134*s34^2*z12*z34) + (s13*s14^2*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^3*z2*z3)/(4*s12*s134*s34^2*z12*z34) + (s13*s14*s23*z2*z3)/
    (s12^2*s34^2*z12*z34) - (5*s14*s23*z2*z3)/(4*s134*s34^2*z12*z34) + 
   (s14^2*s23*z2*z3)/(s12^2*s34^2*z12*z34) + (s14*s23^2*z2*z3)/
    (s12^2*s34^2*z12*z34) - (s14*s23^2*z2*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s13*s14*z2*z3)/(4*s234*s34^2*z12*z34) + (s13^2*s14*z2*z3)/
    (4*s12*s234*s34^2*z12*z34) + (s14^2*z2*z3)/(4*s234*s34^2*z12*z34) + 
   (s13*s14^2*z2*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14^3*z2*z3)/(4*s12*s234*s34^2*z12*z34) + 
   (3*s14*s23*z2*z3)/(4*s234*s34^2*z12*z34) + (s13*s14*s23*z2*z3)/
    (s12*s234*s34^2*z12*z34) + (s14^2*s23*z2*z3)/(s12*s234*s34^2*z12*z34) + 
   (3*s14*s23^2*z2*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (2*s24*z2*z3)/(s34^2*z12*z34) - (3*s13*s24*z2*z3)/(s12*s34^2*z12*z34) - 
   (s13^2*s24*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s13*s24*z2*z3)/(2*s134*s34^2*z12*z34) + (s13^2*s24*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) - (3*s14*s24*z2*z3)/(s12*s34^2*z12*z34) - 
   (s13*s14*s24*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s14*s24*z2*z3)/(4*s134*s34^2*z12*z34) + (s13*s14*s24*z2*z3)/
    (s12*s134*s34^2*z12*z34) + (s14^2*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (2*s23*s24*z2*z3)/(s12*s34^2*z12*z34) - (s13*s23*s24*z2*z3)/
    (s12^2*s34^2*z12*z34) + (s13*s23*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23*s24*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s12*s24*z2*z3)/(s234*s34^2*z12*z34) - (3*s13*s24*z2*z3)/
    (2*s234*s34^2*z12*z34) - (s13^2*s24*z2*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (3*s14*s24*z2*z3)/(4*s234*s34^2*z12*z34) + 
   (s14^2*s24*z2*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (s23*s24*z2*z3)/(s234*s34^2*z12*z34) - (s13*s23*s24*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s23*s24*z2*z3)/
    (s12*s234*s34^2*z12*z34) - (2*s24^2*z2*z3)/(s12*s34^2*z12*z34) - 
   (s13*s24^2*z2*z3)/(s12^2*s34^2*z12*z34) + (s13*s24^2*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s24^2*z2*z3)/
    (4*s12*s134*s34^2*z12*z34) - (s24^2*z2*z3)/(s234*s34^2*z12*z34) - 
   (s13*s24^2*z2*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s24^2*z2*z3)/(4*s12*s234*s34^2*z12*z34) - (z2*z3)/(s34*z12*z34) - 
   (s13*z2*z3)/(s12*s34*z12*z34) - (s12*z2*z3)/(2*s134*s34*z12*z34) - 
   (3*s13*z2*z3)/(4*s134*s34*z12*z34) - (s13^2*z2*z3)/
    (4*s12*s134*s34*z12*z34) + (2*s13*s14*z2*z3)/(s12^2*s34*z12*z34) - 
   (3*s14*z2*z3)/(4*s134*s34*z12*z34) + (3*s13*s14*z2*z3)/
    (4*s12*s134*s34*z12*z34) + (2*s14^2*z2*z3)/(s12^2*s34*z12*z34) + 
   (s14^2*z2*z3)/(s12*s134*s34*z12*z34) - (s23*z2*z3)/(s12*s34*z12*z34) - 
   (3*s23*z2*z3)/(4*s134*s34*z12*z34) - (s13*s23*z2*z3)/
    (2*s12*s134*s34*z12*z34) + (3*s14*s23*z2*z3)/(s12^2*s34*z12*z34) + 
   (s14*s23*z2*z3)/(4*s12*s134*s34*z12*z34) - 
   (s23^2*z2*z3)/(4*s12*s134*s34*z12*z34) + 
   (s12*z2*z3)/(2*s234*s34*z12*z34) + (3*s13*z2*z3)/(4*s234*s34*z12*z34) + 
   (s13^2*z2*z3)/(4*s12*s234*s34*z12*z34) + 
   (7*s14*z2*z3)/(4*s234*s34*z12*z34) + (7*s13*s14*z2*z3)/
    (4*s12*s234*s34*z12*z34) + (3*s14^2*z2*z3)/(2*s12*s234*s34*z12*z34) + 
   (3*s23*z2*z3)/(4*s234*s34*z12*z34) + (s13*s23*z2*z3)/
    (2*s12*s234*s34*z12*z34) + (9*s14*s23*z2*z3)/(4*s12*s234*s34*z12*z34) + 
   (s23^2*z2*z3)/(4*s12*s234*s34*z12*z34) - (2*s24*z2*z3)/(s12*s34*z12*z34) - 
   (s24*z2*z3)/(2*s123*s34*z12*z34) - (s24*z2*z3)/(2*s124*s34*z12*z34) - 
   (3*s13*s24*z2*z3)/(4*s12*s123*s34*z12*z34) - 
   (3*s13*s24*z2*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s24*z2*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z2*z3)/(4*s12^2*s124*s34*z12*z34) - 
   (s24*z2*z3)/(4*s134*s34*z12*z34) + (s13*s24*z2*z3)/
    (2*s12*s134*s34*z12*z34) + (3*s14*s24*z2*z3)/(s12^2*s34*z12*z34) - 
   (3*s14*s24*z2*z3)/(4*s12*s123*s34*z12*z34) - 
   (3*s14*s24*z2*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13*s14*s24*z2*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s14*s24*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (5*s14*s24*z2*z3)/(4*s12*s134*s34*z12*z34) - 
   (s14^2*s24*z2*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^2*s24*z2*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s23*s24*z2*z3)/(s12^2*s34*z12*z34) - (3*s23*s24*z2*z3)/
    (4*s12*s123*s34*z12*z34) - (3*s23*s24*z2*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13*s23*s24*z2*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s23*s24*z2*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (s14*s23*s24*z2*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s14*s23*s24*z2*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (s23^2*s24*z2*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s23^2*s24*z2*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s24*z2*z3)/(4*s234*s34*z12*z34) + (s13*s24*z2*z3)/
    (2*s12*s234*s34*z12*z34) + (9*s14*s24*z2*z3)/(4*s12*s234*s34*z12*z34) + 
   (s23*s24*z2*z3)/(s12*s234*s34*z12*z34) + 
   (s24^2*z2*z3)/(s12^2*s34*z12*z34) - (3*s24^2*z2*z3)/
    (4*s12*s123*s34*z12*z34) - (3*s24^2*z2*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13*s24^2*z2*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s24^2*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s24^2*z2*z3)/(4*s12*s134*s34*z12*z34) - (s14*s24^2*z2*z3)/
    (2*s12^2*s123*s34*z12*z34) - (s14*s24^2*z2*z3)/
    (2*s12^2*s124*s34*z12*z34) - (s23*s24^2*z2*z3)/
    (2*s12^2*s123*s34*z12*z34) - (s23*s24^2*z2*z3)/
    (2*s12^2*s124*s34*z12*z34) + (3*s24^2*z2*z3)/(4*s12*s234*s34*z12*z34) - 
   (s24^3*z2*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s24^3*z2*z3)/(4*s12^2*s124*s34*z12*z34) + (s14*z3^2)/(s34^2*z12*z34) + 
   (s13*s14*z3^2)/(s12*s34^2*z12*z34) + (s14^2*z3^2)/(s12*s34^2*z12*z34) + 
   (s14*s23*z3^2)/(s12*s34^2*z12*z34) + (s24*z3^2)/(s34^2*z12*z34) + 
   (s13*s24*z3^2)/(s12*s34^2*z12*z34) + (s12*s24*z3^2)/
    (2*s134*s34^2*z12*z34) + (3*s13*s24*z3^2)/(4*s134*s34^2*z12*z34) + 
   (s13^2*s24*z3^2)/(4*s12*s134*s34^2*z12*z34) + 
   (2*s14*s24*z3^2)/(s12*s34^2*z12*z34) + (3*s14*s24*z3^2)/
    (4*s134*s34^2*z12*z34) + (s13*s14*s24*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*s24*z3^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s23*s24*z3^2)/(s12*s34^2*z12*z34) + (3*s23*s24*z3^2)/
    (4*s134*s34^2*z12*z34) + (s13*s23*s24*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23*s24*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s23^2*s24*z3^2)/(4*s12*s134*s34^2*z12*z34) - 
   (s12*s24*z3^2)/(2*s234*s34^2*z12*z34) - (3*s13*s24*z3^2)/
    (4*s234*s34^2*z12*z34) - (s13^2*s24*z3^2)/(4*s12*s234*s34^2*z12*z34) - 
   (3*s14*s24*z3^2)/(4*s234*s34^2*z12*z34) - (s13*s14*s24*z3^2)/
    (2*s12*s234*s34^2*z12*z34) - (s14^2*s24*z3^2)/
    (4*s12*s234*s34^2*z12*z34) - (3*s23*s24*z3^2)/(4*s234*s34^2*z12*z34) - 
   (s13*s23*s24*z3^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s14*s23*s24*z3^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s23^2*s24*z3^2)/(4*s12*s234*s34^2*z12*z34) + 
   (s24^2*z3^2)/(s12*s34^2*z12*z34) + (3*s24^2*z3^2)/(4*s134*s34^2*z12*z34) + 
   (s13*s24^2*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s24^2*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s23*s24^2*z3^2)/(2*s12*s134*s34^2*z12*z34) - 
   (3*s24^2*z3^2)/(4*s234*s34^2*z12*z34) - (s13*s24^2*z3^2)/
    (2*s12*s234*s34^2*z12*z34) - (s14*s24^2*z3^2)/
    (2*s12*s234*s34^2*z12*z34) - (s23*s24^2*z3^2)/
    (2*s12*s234*s34^2*z12*z34) + (s24^3*z3^2)/(4*s12*s134*s34^2*z12*z34) - 
   (s24^3*z3^2)/(4*s12*s234*s34^2*z12*z34) + (s14*z3^2)/(s12*s34*z12*z34) + 
   (s24*z3^2)/(s12*s34*z12*z34) + (s24*z3^2)/(2*s134*s34*z12*z34) + 
   (s13*s24*z3^2)/(4*s12*s134*s34*z12*z34) + 
   (s14*s24*z3^2)/(4*s12*s134*s34*z12*z34) + 
   (s23*s24*z3^2)/(4*s12*s134*s34*z12*z34) - 
   (s24*z3^2)/(2*s234*s34*z12*z34) - (s13*s24*z3^2)/
    (4*s12*s234*s34*z12*z34) - (s14*s24*z3^2)/(4*s12*s234*s34*z12*z34) - 
   (s23*s24*z3^2)/(4*s12*s234*s34*z12*z34) + 
   (s24^2*z3^2)/(4*s12*s134*s34*z12*z34) - 
   (s24^2*z3^2)/(4*s12*s234*s34*z12*z34) + z4/(s12*z12) + z4/(s123*z12) + 
   (3*z4)/(2*s124*z12) + (s12*z4)/(s123*s124*z12) + 
   (3*s13*z4)/(2*s12*s124*z12) + (2*s13*z4)/(s123*s124*z12) + 
   (s13^2*z4)/(s12*s123*s124*z12) + (3*s14*z4)/(2*s12*s124*z12) + 
   (s14*z4)/(s123*s124*z12) + (s13*s14*z4)/(s12*s123*s124*z12) + 
   (3*s23*z4)/(2*s12*s124*z12) + (2*s23*z4)/(s123*s124*z12) + 
   (2*s13*s23*z4)/(s12*s123*s124*z12) + (s23*z4)/(s123*s134*z12) - 
   (s23*z4)/(2*s124*s134*z12) + (s13*s23*z4)/(s12*s123*s134*z12) + 
   (s14*s23*z4)/(s12*s123*s124*z12) - (s14*s23*z4)/(2*s12*s124*s134*z12) + 
   (s23^2*z4)/(s12*s123*s124*z12) + (s23^2*z4)/(s12*s123*s134*z12) + 
   z4/(2*s234*z12) + (s23*z4)/(2*s123*s234*z12) - (s23*z4)/(s124*s234*z12) + 
   (s13*s23*z4)/(2*s12*s123*s234*z12) - (s14*s23*z4)/(s12*s124*s234*z12) + 
   (s23^2*z4)/(2*s12*s123*s234*z12) + (3*s24*z4)/(2*s12*s124*z12) + 
   (s24*z4)/(s123*s124*z12) + (s13*s24*z4)/(s12*s123*s124*z12) + 
   (s23*s24*z4)/(s12*s123*s124*z12) - (s23*s24*z4)/(2*s12*s124*s134*z12) - 
   (s23*s24*z4)/(s12*s124*s234*z12) + (s12*z4)/(s34^2*z12) + 
   (2*s13*z4)/(s34^2*z12) + (s13^2*z4)/(s12*s34^2*z12) + 
   (s12*s13*z4)/(4*s134*s34^2*z12) + (s13^2*z4)/(4*s134*s34^2*z12) + 
   (s14*z4)/(s34^2*z12) + (s13*s14*z4)/(s12*s34^2*z12) - 
   (s12*s14*z4)/(4*s134*s34^2*z12) - (s14^2*z4)/(4*s134*s34^2*z12) + 
   (2*s23*z4)/(s34^2*z12) + (2*s13*s23*z4)/(s12*s34^2*z12) + 
   (3*s12*s23*z4)/(4*s134*s34^2*z12) + (5*s13*s23*z4)/(4*s134*s34^2*z12) + 
   (s13^2*s23*z4)/(4*s12*s134*s34^2*z12) + (s14*s23*z4)/(s12*s34^2*z12) + 
   (5*s14*s23*z4)/(4*s134*s34^2*z12) + (s13*s14*s23*z4)/
    (s12*s134*s34^2*z12) + (3*s14^2*s23*z4)/(4*s12*s134*s34^2*z12) + 
   (s23^2*z4)/(s12*s34^2*z12) + (s23^2*z4)/(s134*s34^2*z12) + 
   (s13*s23^2*z4)/(2*s12*s134*s34^2*z12) + 
   (s14*s23^2*z4)/(s12*s134*s34^2*z12) + (s23^3*z4)/(4*s12*s134*s34^2*z12) + 
   (s12*s13*z4)/(4*s234*s34^2*z12) + (s13^2*z4)/(4*s234*s34^2*z12) - 
   (s12*s14*z4)/(4*s234*s34^2*z12) - (s14^2*z4)/(4*s234*s34^2*z12) - 
   (s12*s23*z4)/(4*s234*s34^2*z12) - (s13*s23*z4)/(4*s234*s34^2*z12) - 
   (s13^2*s23*z4)/(4*s12*s234*s34^2*z12) - 
   (5*s14*s23*z4)/(4*s234*s34^2*z12) - (s13*s14*s23*z4)/
    (s12*s234*s34^2*z12) - (3*s14^2*s23*z4)/(4*s12*s234*s34^2*z12) - 
   (s23^2*z4)/(2*s234*s34^2*z12) - (s13*s23^2*z4)/(2*s12*s234*s34^2*z12) - 
   (s14*s23^2*z4)/(s12*s234*s34^2*z12) - (s23^3*z4)/(4*s12*s234*s34^2*z12) + 
   (s24*z4)/(s34^2*z12) + (s13*s24*z4)/(s12*s34^2*z12) - 
   (s12*s24*z4)/(4*s134*s34^2*z12) - (s14*s24*z4)/(2*s134*s34^2*z12) + 
   (s23*s24*z4)/(s12*s34^2*z12) + (5*s23*s24*z4)/(4*s134*s34^2*z12) + 
   (s13*s23*s24*z4)/(s12*s134*s34^2*z12) + (3*s14*s23*s24*z4)/
    (2*s12*s134*s34^2*z12) + (s23^2*s24*z4)/(s12*s134*s34^2*z12) - 
   (s12*s24*z4)/(4*s234*s34^2*z12) - (s14*s24*z4)/(2*s234*s34^2*z12) - 
   (5*s23*s24*z4)/(4*s234*s34^2*z12) - (s13*s23*s24*z4)/
    (s12*s234*s34^2*z12) - (3*s14*s23*s24*z4)/(2*s12*s234*s34^2*z12) - 
   (s23^2*s24*z4)/(s12*s234*s34^2*z12) - (s24^2*z4)/(4*s134*s34^2*z12) + 
   (3*s23*s24^2*z4)/(4*s12*s134*s34^2*z12) - (s24^2*z4)/(4*s234*s34^2*z12) - 
   (3*s23*s24^2*z4)/(4*s12*s234*s34^2*z12) + (2*z4)/(s34*z12) + 
   (s12*z4)/(s123*s34*z12) + (s12*z4)/(s124*s34*z12) + 
   (2*s13*z4)/(s12*s34*z12) + (s13*z4)/(s123*s34*z12) + 
   (2*s13*z4)/(s124*s34*z12) + (s13^2*z4)/(s12*s124*s34*z12) + 
   (s13*z4)/(4*s134*s34*z12) + (s14*z4)/(s12*s34*z12) + 
   (s14*z4)/(s123*s34*z12) + (2*s14*z4)/(s124*s34*z12) + 
   (2*s13*s14*z4)/(s12*s124*s34*z12) - (s14*z4)/(4*s134*s34*z12) + 
   (s14^2*z4)/(s12*s124*s34*z12) + (2*s23*z4)/(s12*s34*z12) + 
   (s23*z4)/(s123*s34*z12) + (2*s23*z4)/(s124*s34*z12) + 
   (2*s13*s23*z4)/(s12*s124*s34*z12) + (3*s23*z4)/(4*s134*s34*z12) + 
   (s12*s23*z4)/(s123*s134*s34*z12) - (s12*s23*z4)/(2*s124*s134*s34*z12) + 
   (s13*s23*z4)/(4*s12*s134*s34*z12) + (2*s13*s23*z4)/(s123*s134*s34*z12) - 
   (s13*s23*z4)/(2*s124*s134*s34*z12) + (s13^2*s23*z4)/
    (s12*s123*s134*s34*z12) + (2*s14*s23*z4)/(s12*s124*s34*z12) + 
   (3*s14*s23*z4)/(4*s12*s134*s34*z12) + (s14*s23*z4)/(s123*s134*s34*z12) - 
   (s14*s23*z4)/(s124*s134*s34*z12) + (s13*s14*s23*z4)/
    (s12*s123*s134*s34*z12) - (s13*s14*s23*z4)/(2*s12*s124*s134*s34*z12) - 
   (s14^2*s23*z4)/(2*s12*s124*s134*s34*z12) + (s23^2*z4)/(s12*s124*s34*z12) + 
   (s23^2*z4)/(4*s12*s134*s34*z12) + (2*s23^2*z4)/(s123*s134*s34*z12) - 
   (s23^2*z4)/(2*s124*s134*s34*z12) + (2*s13*s23^2*z4)/
    (s12*s123*s134*s34*z12) + (s14*s23^2*z4)/(s12*s123*s134*s34*z12) - 
   (s14*s23^2*z4)/(2*s12*s124*s134*s34*z12) + 
   (s23^3*z4)/(s12*s123*s134*s34*z12) + (s12*z4)/(2*s234*s34*z12) + 
   (3*s13*z4)/(4*s234*s34*z12) + (s14*z4)/(4*s234*s34*z12) + 
   (s23*z4)/(4*s234*s34*z12) + (s12*s23*z4)/(2*s123*s234*s34*z12) - 
   (s12*s23*z4)/(s124*s234*s34*z12) - (s13*s23*z4)/(4*s12*s234*s34*z12) + 
   (s13*s23*z4)/(s123*s234*s34*z12) - (s13*s23*z4)/(s124*s234*s34*z12) + 
   (s13^2*s23*z4)/(2*s12*s123*s234*s34*z12) - 
   (3*s14*s23*z4)/(4*s12*s234*s34*z12) + (s14*s23*z4)/(2*s123*s234*s34*z12) - 
   (2*s14*s23*z4)/(s124*s234*s34*z12) + (s13*s14*s23*z4)/
    (2*s12*s123*s234*s34*z12) - (s13*s14*s23*z4)/(s12*s124*s234*s34*z12) - 
   (s14^2*s23*z4)/(s12*s124*s234*s34*z12) - (s23^2*z4)/(4*s12*s234*s34*z12) + 
   (s23^2*z4)/(s123*s234*s34*z12) - (s23^2*z4)/(s124*s234*s34*z12) + 
   (s13*s23^2*z4)/(s12*s123*s234*s34*z12) + 
   (s14*s23^2*z4)/(2*s12*s123*s234*s34*z12) - 
   (s14*s23^2*z4)/(s12*s124*s234*s34*z12) + 
   (s23^3*z4)/(2*s12*s123*s234*s34*z12) + (s24*z4)/(s12*s34*z12) + 
   (s24*z4)/(s123*s34*z12) + (2*s24*z4)/(s124*s34*z12) + 
   (2*s13*s24*z4)/(s12*s124*s34*z12) - (s24*z4)/(4*s134*s34*z12) + 
   (2*s14*s24*z4)/(s12*s124*s34*z12) + (2*s23*s24*z4)/(s12*s124*s34*z12) + 
   (3*s23*s24*z4)/(4*s12*s134*s34*z12) + (s23*s24*z4)/(s123*s134*s34*z12) - 
   (s23*s24*z4)/(s124*s134*s34*z12) + (s13*s23*s24*z4)/
    (s12*s123*s134*s34*z12) - (s13*s23*s24*z4)/(2*s12*s124*s134*s34*z12) - 
   (s14*s23*s24*z4)/(s12*s124*s134*s34*z12) + 
   (s23^2*s24*z4)/(s12*s123*s134*s34*z12) - 
   (s23^2*s24*z4)/(2*s12*s124*s134*s34*z12) + (s24*z4)/(4*s234*s34*z12) - 
   (3*s23*s24*z4)/(4*s12*s234*s34*z12) + (s23*s24*z4)/(2*s123*s234*s34*z12) - 
   (2*s23*s24*z4)/(s124*s234*s34*z12) + (s13*s23*s24*z4)/
    (2*s12*s123*s234*s34*z12) - (s13*s23*s24*z4)/(s12*s124*s234*s34*z12) - 
   (2*s14*s23*s24*z4)/(s12*s124*s234*s34*z12) + 
   (s23^2*s24*z4)/(2*s12*s123*s234*s34*z12) - 
   (s23^2*s24*z4)/(s12*s124*s234*s34*z12) + (s24^2*z4)/(s12*s124*s34*z12) - 
   (s23*s24^2*z4)/(2*s12*s124*s134*s34*z12) - 
   (s23*s24^2*z4)/(s12*s124*s234*s34*z12) + (s34*z4)/(2*s12*s124*z12) + 
   (s34*z4)/(s123*s124*z12) + (s13*s34*z4)/(s12*s123*s124*z12) + 
   (s23*s34*z4)/(s12*s123*s124*z12) + (z3*z4)/(s134*z34^2) - 
   (2*s23*z3*z4)/(s12^2*z34^2) - (s23*z3*z4)/(s12*s134*z34^2) + 
   (z3*z4)/(s234*z34^2) - (s23*z3*z4)/(s12*s234*z34^2) - 
   (2*s24*z3*z4)/(s12^2*z34^2) - (s24*z3*z4)/(s12*s134*z34^2) - 
   (s24*z3*z4)/(s12*s234*z34^2) + (2*s13*z3*z4)/(s34^2*z34^2) + 
   (2*s13^2*z3*z4)/(s12*s34^2*z34^2) + (s12*s13*z3*z4)/(s134*s34^2*z34^2) + 
   (s13^2*z3*z4)/(s134*s34^2*z34^2) + (2*s14*z3*z4)/(s34^2*z34^2) + 
   (4*s13*s14*z3*z4)/(s12*s34^2*z34^2) + (s12*s14*z3*z4)/(s134*s34^2*z34^2) + 
   (2*s13*s14*z3*z4)/(s134*s34^2*z34^2) + (2*s14^2*z3*z4)/(s12*s34^2*z34^2) + 
   (s14^2*z3*z4)/(s134*s34^2*z34^2) + (2*s23*z3*z4)/(s34^2*z34^2) + 
   (4*s13*s23*z3*z4)/(s12*s34^2*z34^2) - (s13^2*s23*z3*z4)/
    (s12*s134*s34^2*z34^2) + (4*s14*s23*z3*z4)/(s12*s34^2*z34^2) - 
   (2*s13*s14*s23*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (s14^2*s23*z3*z4)/(s12*s134*s34^2*z34^2) - (2*s13*s23^2*z3*z4)/
    (s12^2*s34^2*z34^2) - (s13*s23^2*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (2*s14*s23^2*z3*z4)/(s12^2*s34^2*z34^2) - (s14*s23^2*z3*z4)/
    (s12*s134*s34^2*z34^2) - (2*s23^3*z3*z4)/(s12^2*s34^2*z34^2) + 
   (s12*s23*z3*z4)/(s234*s34^2*z34^2) + (s13*s23*z3*z4)/(s234*s34^2*z34^2) + 
   (s14*s23*z3*z4)/(s234*s34^2*z34^2) - (s13*s23^2*z3*z4)/
    (s12*s234*s34^2*z34^2) - (s14*s23^2*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (s23^3*z3*z4)/(s12*s234*s34^2*z34^2) + (2*s24*z3*z4)/(s34^2*z34^2) + 
   (4*s13*s24*z3*z4)/(s12*s34^2*z34^2) - (s13^2*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) + (4*s14*s24*z3*z4)/(s12*s34^2*z34^2) - 
   (2*s13*s14*s24*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (s14^2*s24*z3*z4)/(s12*s134*s34^2*z34^2) - (4*s13*s23*s24*z3*z4)/
    (s12^2*s34^2*z34^2) - (2*s13*s23*s24*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (4*s14*s23*s24*z3*z4)/(s12^2*s34^2*z34^2) - (2*s14*s23*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) - (6*s23^2*s24*z3*z4)/(s12^2*s34^2*z34^2) + 
   (s12*s24*z3*z4)/(s234*s34^2*z34^2) + (s13*s24*z3*z4)/(s234*s34^2*z34^2) + 
   (s14*s24*z3*z4)/(s234*s34^2*z34^2) - (2*s13*s23*s24*z3*z4)/
    (s12*s234*s34^2*z34^2) - (2*s14*s23*s24*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (3*s23^2*s24*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (2*s13*s24^2*z3*z4)/(s12^2*s34^2*z34^2) - (s13*s24^2*z3*z4)/
    (s12*s134*s34^2*z34^2) - (2*s14*s24^2*z3*z4)/(s12^2*s34^2*z34^2) - 
   (s14*s24^2*z3*z4)/(s12*s134*s34^2*z34^2) - (6*s23*s24^2*z3*z4)/
    (s12^2*s34^2*z34^2) - (s13*s24^2*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (s14*s24^2*z3*z4)/(s12*s234*s34^2*z34^2) - (3*s23*s24^2*z3*z4)/
    (s12*s234*s34^2*z34^2) - (2*s24^3*z3*z4)/(s12^2*s34^2*z34^2) - 
   (s24^3*z3*z4)/(s12*s234*s34^2*z34^2) + (2*s13*z3*z4)/(s12*s34*z34^2) + 
   (s12*z3*z4)/(s134*s34*z34^2) + (2*s13*z3*z4)/(s134*s34*z34^2) + 
   (2*s14*z3*z4)/(s12*s34*z34^2) + (2*s14*z3*z4)/(s134*s34*z34^2) - 
   (2*s13*s23*z3*z4)/(s12^2*s34*z34^2) - (2*s13*s23*z3*z4)/
    (s12*s134*s34*z34^2) - (2*s14*s23*z3*z4)/(s12^2*s34*z34^2) - 
   (2*s14*s23*z3*z4)/(s12*s134*s34*z34^2) - (4*s23^2*z3*z4)/
    (s12^2*s34*z34^2) - (s23^2*z3*z4)/(s12*s134*s34*z34^2) + 
   (s12*z3*z4)/(s234*s34*z34^2) + (s13*z3*z4)/(s234*s34*z34^2) + 
   (s14*z3*z4)/(s234*s34*z34^2) + (s23*z3*z4)/(s234*s34*z34^2) - 
   (s13*s23*z3*z4)/(s12*s234*s34*z34^2) - (s14*s23*z3*z4)/
    (s12*s234*s34*z34^2) - (2*s23^2*z3*z4)/(s12*s234*s34*z34^2) - 
   (2*s13*s24*z3*z4)/(s12^2*s34*z34^2) - (2*s13*s24*z3*z4)/
    (s12*s134*s34*z34^2) - (2*s14*s24*z3*z4)/(s12^2*s34*z34^2) - 
   (2*s14*s24*z3*z4)/(s12*s134*s34*z34^2) - (8*s23*s24*z3*z4)/
    (s12^2*s34*z34^2) - (2*s23*s24*z3*z4)/(s12*s134*s34*z34^2) + 
   (s24*z3*z4)/(s234*s34*z34^2) - (s13*s24*z3*z4)/(s12*s234*s34*z34^2) - 
   (s14*s24*z3*z4)/(s12*s234*s34*z34^2) - (4*s23*s24*z3*z4)/
    (s12*s234*s34*z34^2) - (4*s24^2*z3*z4)/(s12^2*s34*z34^2) - 
   (s24^2*z3*z4)/(s12*s134*s34*z34^2) - (2*s24^2*z3*z4)/
    (s12*s234*s34*z34^2) + (2*s23*z1*z3*z4)/(s12^2*z12*z34^2) + 
   (2*s24*z1*z3*z4)/(s12^2*z12*z34^2) - (2*s23*z1*z3*z4)/(s34^2*z12*z34^2) - 
   (2*s13*s23*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s14*s23*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s23^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s24*z1*z3*z4)/(s34^2*z12*z34^2) - (2*s13*s24*z1*z3*z4)/
    (s12*s34^2*z12*z34^2) - (2*s14*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (4*s23*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s24^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (2*s13*s23*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) + (2*s14*s23*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s23^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + (2*s13*s24*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) + (2*s14*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (4*s23*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s24^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (8*z1*z2*z3*z4)/(s12*z12^2*z34^2) - (4*s13*z1*z2*z3*z4)/
    (s12^2*z12^2*z34^2) - (4*s14*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) - 
   (4*s23*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) - (4*s24*z1*z2*z3*z4)/
    (s12^2*z12^2*z34^2) - (4*s13*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - 
   (6*s13^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (2*s13^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (4*s14*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - (12*s13*s14*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13^2*s14*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s14^2*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13*s14^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (2*s14^3*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (4*s23*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - 
   (12*s13*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (6*s13^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (12*s14*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (12*s13*s14*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (6*s14^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (6*s23^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (6*s13*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (6*s14*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (2*s23^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (4*s24*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - (12*s13*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (12*s14*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (12*s13*s14*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s14^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (12*s23*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (12*s13*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (12*s14*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s23^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s24^2*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s14*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s23*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (2*s24^3*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (8*z1*z2*z3*z4)/(s34*z12^2*z34^2) - 
   (16*s13*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - (6*s13^2*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (16*s14*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - 
   (12*s13*s14*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (6*s14^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (16*s23*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - (12*s13*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (12*s14*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (6*s23^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (16*s24*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - (12*s13*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (12*s14*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (12*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (6*s24^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (4*z2*z3*z4)/(s12*z12*z34^2) + (4*s13*z2*z3*z4)/(s12^2*z12*z34^2) + 
   (2*z2*z3*z4)/(s134*z12*z34^2) + (s13*z2*z3*z4)/(s12*s134*z12*z34^2) + 
   (4*s14*z2*z3*z4)/(s12^2*z12*z34^2) + (s14*z2*z3*z4)/(s12*s134*z12*z34^2) + 
   (2*s23*z2*z3*z4)/(s12^2*z12*z34^2) + (s23*z2*z3*z4)/(s12*s134*z12*z34^2) + 
   (2*z2*z3*z4)/(s234*z12*z34^2) + (s13*z2*z3*z4)/(s12*s234*z12*z34^2) + 
   (s14*z2*z3*z4)/(s12*s234*z12*z34^2) + (s23*z2*z3*z4)/
    (s12*s234*z12*z34^2) + (2*s24*z2*z3*z4)/(s12^2*z12*z34^2) + 
   (s24*z2*z3*z4)/(s12*s134*z12*z34^2) + (s24*z2*z3*z4)/
    (s12*s234*z12*z34^2) + (2*s13*z2*z3*z4)/(s34^2*z12*z34^2) + 
   (4*s13^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (2*s13^3*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s12*s13*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (3*s13^2*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (s13^3*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (2*s14*z2*z3*z4)/(s34^2*z12*z34^2) + (8*s13*s14*z2*z3*z4)/
    (s12*s34^2*z12*z34^2) + (6*s13^2*s14*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s12*s14*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (6*s13*s14*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (3*s13^2*s14*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (4*s14^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (6*s13*s14^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s14^2*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (3*s13*s14^2*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (2*s14^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (s14^3*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (4*s23*z2*z3*z4)/(s34^2*z12*z34^2) + (10*s13*s23*z2*z3*z4)/
    (s12*s34^2*z12*z34^2) + (6*s13^2*s23*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (3*s13*s23*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (2*s13^2*s23*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (10*s14*s23*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (12*s13*s14*s23*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s14*s23*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (4*s13*s14*s23*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (6*s14^2*s23*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s14^2*s23*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (6*s23^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (6*s13*s23^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s13*s23^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s14*s23^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s14*s23^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (2*s23^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s12*s23*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (3*s13*s23*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (s13^2*s23*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s14*s23*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (2*s13*s14*s23*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (s14^2*s23*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s23^2*z2*z3*z4)/(s234*s34^2*z12*z34^2) + (2*s13*s23^2*z2*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) + (2*s14*s23^2*z2*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) + (s23^3*z2*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) + (4*s24*z2*z3*z4)/(s34^2*z12*z34^2) + 
   (10*s13*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) + 
   (6*s13^2*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (3*s13*s24*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (2*s13^2*s24*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (10*s14*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (12*s13*s14*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s14*s24*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (4*s13*s14*s24*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (6*s14^2*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s14^2*s24*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (12*s23*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (12*s13*s23*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s13*s23*s24*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (12*s14*s23*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s14*s23*s24*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s23^2*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s12*s24*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (3*s13*s24*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (s13^2*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s14*s24*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (2*s13*s14*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (s14^2*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (6*s23*s24*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (4*s13*s23*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (4*s14*s23*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s23^2*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (6*s24^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (6*s13*s24^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s13*s24^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s14*s24^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s14*s24^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s23*s24^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s24^2*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (2*s13*s24^2*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (2*s14*s24^2*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s23*s24^2*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (2*s24^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (s24^3*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (4*z2*z3*z4)/(s34*z12*z34^2) + (10*s13*z2*z3*z4)/(s12*s34*z12*z34^2) + 
   (6*s13^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s12*z2*z3*z4)/(s134*s34*z12*z34^2) + (5*s13*z2*z3*z4)/
    (s134*s34*z12*z34^2) + (2*s13^2*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (10*s14*z2*z3*z4)/(s12*s34*z12*z34^2) + (12*s13*s14*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) + (5*s14*z2*z3*z4)/(s134*s34*z12*z34^2) + 
   (4*s13*s14*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (6*s14^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) + (2*s14^2*z2*z3*z4)/
    (s12*s134*s34*z12*z34^2) + (10*s23*z2*z3*z4)/(s12*s34*z12*z34^2) + 
   (10*s13*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (3*s23*z2*z3*z4)/(s134*s34*z12*z34^2) + (3*s13*s23*z2*z3*z4)/
    (s12*s134*s34*z12*z34^2) + (10*s14*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (3*s14*s23*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (4*s23^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (s23^2*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (2*s12*z2*z3*z4)/(s234*s34*z12*z34^2) + (3*s13*z2*z3*z4)/
    (s234*s34*z12*z34^2) + (s13^2*z2*z3*z4)/(s12*s234*s34*z12*z34^2) + 
   (3*s14*z2*z3*z4)/(s234*s34*z12*z34^2) + (2*s13*s14*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (s14^2*z2*z3*z4)/(s12*s234*s34*z12*z34^2) + 
   (5*s23*z2*z3*z4)/(s234*s34*z12*z34^2) + (3*s13*s23*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (3*s14*s23*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (2*s23^2*z2*z3*z4)/(s12*s234*s34*z12*z34^2) + 
   (10*s24*z2*z3*z4)/(s12*s34*z12*z34^2) + (10*s13*s24*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) + (3*s24*z2*z3*z4)/(s134*s34*z12*z34^2) + 
   (3*s13*s24*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (10*s14*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (3*s14*s24*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (8*s23*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s23*s24*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (5*s24*z2*z3*z4)/(s234*s34*z12*z34^2) + (3*s13*s24*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (3*s14*s24*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (4*s23*s24*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (4*s24^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (s24^2*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (2*s24^2*z2*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (2*z3^2*z4)/(s12*z12*z34^2) + (2*s12*z3^2*z4)/(s34^2*z12*z34^2) + 
   (2*s13*z3^2*z4)/(s34^2*z12*z34^2) + (2*s14*z3^2*z4)/(s34^2*z12*z34^2) + 
   (2*s23*z3^2*z4)/(s34^2*z12*z34^2) + (2*s24*z3^2*z4)/(s34^2*z12*z34^2) - 
   (2*s13*z3^2*z4)/(s12*s34*z12*z34^2) - (2*s14*z3^2*z4)/
    (s12*s34*z12*z34^2) - (2*s23*z3^2*z4)/(s12*s34*z12*z34^2) - 
   (2*s24*z3^2*z4)/(s12*s34*z12*z34^2) + z4/(s12*z34) - 
   (3*s13*z4)/(4*s12*s123*z34) - (3*s13*z4)/(4*s12*s124*z34) - 
   (s12*z4)/(s123*s134*z34) + (s12*z4)/(2*s124*s134*z34) - 
   (2*s13*z4)/(s123*s134*z34) + (s13*z4)/(s124*s134*z34) - 
   (s14*z4)/(4*s12*s123*z34) - (3*s14*z4)/(4*s12*s124*z34) - 
   (2*s14*z4)/(s123*s134*z34) + (s14*z4)/(s124*s134*z34) + 
   (s23*z4)/(s12^2*z34) + (s23*z4)/(4*s12*s123*z34) - 
   (3*s23*z4)/(4*s12*s124*z34) + (3*s13*s23*z4)/(4*s12^2*s123*z34) - 
   (s13*s23*z4)/(4*s12^2*s124*z34) + (s23*z4)/(s123*s134*z34) + 
   (s23*z4)/(2*s124*s134*z34) + (4*s13*s23*z4)/(s12*s123*s134*z34) + 
   (5*s14*s23*z4)/(4*s12^2*s123*z34) - (3*s14*s23*z4)/(4*s12^2*s124*z34) + 
   (4*s14*s23*z4)/(s12*s123*s134*z34) + (9*s23^2*z4)/(4*s12^2*s123*z34) + 
   (s23^2*z4)/(4*s12^2*s124*z34) + (2*s23^2*z4)/(s12*s123*s134*z34) + 
   (s12*z4)/(2*s123*s234*z34) - (s12*z4)/(s124*s234*z34) + 
   (s13*z4)/(2*s123*s234*z34) - (s13*z4)/(s124*s234*z34) + 
   (s14*z4)/(2*s123*s234*z34) - (s14*z4)/(s124*s234*z34) + 
   (s23*z4)/(s12*s234*z34) - (2*s23*z4)/(s124*s234*z34) - 
   (s13*s23*z4)/(s12*s123*s234*z34) - (s14*s23*z4)/(s12*s123*s234*z34) - 
   (2*s23^2*z4)/(s12*s123*s234*z34) + (2*s24*z4)/(s12^2*z34) - 
   (s24*z4)/(4*s12*s123*z34) + (s24*z4)/(4*s12*s124*z34) - 
   (s13*s24*z4)/(2*s12^2*s123*z34) + (3*s13*s24*z4)/(2*s12^2*s124*z34) + 
   (s24*z4)/(s12*s134*z34) - (s24*z4)/(s123*s134*z34) - 
   (s24*z4)/(2*s124*s134*z34) - (2*s13*s24*z4)/(s12*s124*s134*z34) + 
   (s14*s24*z4)/(s12^2*s124*z34) - (2*s14*s24*z4)/(s12*s124*s134*z34) + 
   (9*s23*s24*z4)/(4*s12^2*s123*z34) + (9*s23*s24*z4)/(4*s12^2*s124*z34) + 
   (2*s23*s24*z4)/(s12*s123*s134*z34) - (s23*s24*z4)/(s12*s124*s134*z34) + 
   (2*s24*z4)/(s12*s234*z34) + (s24*z4)/(s123*s234*z34) + 
   (2*s13*s24*z4)/(s12*s124*s234*z34) + (s24*z4)/(s134*s234*z34) + 
   (2*s14*s24*z4)/(s12*s124*s234*z34) - (2*s23*s24*z4)/(s12*s123*s234*z34) + 
   (4*s23*s24*z4)/(s12*s124*s234*z34) + (2*s24^2*z4)/(s12^2*s124*z34) - 
   (s24^2*z4)/(s12*s124*s134*z34) + (4*s24^2*z4)/(s12*s124*s234*z34) - 
   (2*s13*z4)/(s34^2*z34) - (2*s13^2*z4)/(s12*s34^2*z34) - 
   (s12*s13*z4)/(s134*s34^2*z34) - (s13^2*z4)/(s134*s34^2*z34) - 
   (s14*z4)/(s34^2*z34) - (3*s13*s14*z4)/(s12*s34^2*z34) - 
   (s12*s14*z4)/(2*s134*s34^2*z34) - (3*s13*s14*z4)/(2*s134*s34^2*z34) - 
   (s14^2*z4)/(s12*s34^2*z34) - (s14^2*z4)/(2*s134*s34^2*z34) - 
   (2*s23*z4)/(s34^2*z34) - (4*s13*s23*z4)/(s12*s34^2*z34) + 
   (s13^2*s23*z4)/(s12*s134*s34^2*z34) - (4*s14*s23*z4)/(s12*s34^2*z34) - 
   (s13*s14*s23*z4)/(s12^2*s34^2*z34) + (3*s13*s14*s23*z4)/
    (2*s12*s134*s34^2*z34) - (s14^2*s23*z4)/(s12^2*s34^2*z34) + 
   (s14^2*s23*z4)/(2*s12*s134*s34^2*z34) + (2*s13*s23^2*z4)/
    (s12^2*s34^2*z34) + (s13*s23^2*z4)/(s12*s134*s34^2*z34) + 
   (s14*s23^2*z4)/(s12^2*s34^2*z34) + (s14*s23^2*z4)/(2*s12*s134*s34^2*z34) + 
   (2*s23^3*z4)/(s12^2*s34^2*z34) - (s12*s23*z4)/(s234*s34^2*z34) - 
   (s13*s23*z4)/(s234*s34^2*z34) - (3*s14*s23*z4)/(2*s234*s34^2*z34) - 
   (s13*s14*s23*z4)/(2*s12*s234*s34^2*z34) - 
   (s14^2*s23*z4)/(2*s12*s234*s34^2*z34) + 
   (s13*s23^2*z4)/(s12*s234*s34^2*z34) + (s14*s23^2*z4)/
    (2*s12*s234*s34^2*z34) + (s23^3*z4)/(s12*s234*s34^2*z34) - 
   (s24*z4)/(s34^2*z34) - (2*s13*s24*z4)/(s12*s34^2*z34) + 
   (s13^2*s24*z4)/(s12^2*s34^2*z34) + (s13^2*s24*z4)/(s12*s134*s34^2*z34) - 
   (2*s14*s24*z4)/(s12*s34^2*z34) + (s13*s14*s24*z4)/(s12^2*s34^2*z34) + 
   (3*s13*s14*s24*z4)/(2*s12*s134*s34^2*z34) + 
   (s14^2*s24*z4)/(2*s12*s134*s34^2*z34) + (s23*s24*z4)/(s12*s34^2*z34) + 
   (5*s13*s23*s24*z4)/(s12^2*s34^2*z34) + (2*s13*s23*s24*z4)/
    (s12*s134*s34^2*z34) + (3*s14*s23*s24*z4)/(s12^2*s34^2*z34) + 
   (s14*s23*s24*z4)/(s12*s134*s34^2*z34) + (6*s23^2*s24*z4)/
    (s12^2*s34^2*z34) - (s12*s24*z4)/(2*s234*s34^2*z34) + 
   (s13*s24*z4)/(2*s234*s34^2*z34) + (s13^2*s24*z4)/(s12*s234*s34^2*z34) + 
   (s12*s13*s24*z4)/(s134*s234*s34^2*z34) + 
   (s13^2*s24*z4)/(s134*s234*s34^2*z34) + (3*s13*s14*s24*z4)/
    (2*s12*s234*s34^2*z34) + (s12*s14*s24*z4)/(s134*s234*s34^2*z34) + 
   (2*s13*s14*s24*z4)/(s134*s234*s34^2*z34) + 
   (s14^2*s24*z4)/(2*s12*s234*s34^2*z34) + 
   (s14^2*s24*z4)/(s134*s234*s34^2*z34) + (3*s23*s24*z4)/(2*s234*s34^2*z34) + 
   (4*s13*s23*s24*z4)/(s12*s234*s34^2*z34) + (s13*s23*s24*z4)/
    (s134*s234*s34^2*z34) + (3*s14*s23*s24*z4)/(s12*s234*s34^2*z34) + 
   (s14*s23*s24*z4)/(s134*s234*s34^2*z34) + (4*s23^2*s24*z4)/
    (s12*s234*s34^2*z34) + (s24^2*z4)/(s12*s34^2*z34) + 
   (3*s13*s24^2*z4)/(s12^2*s34^2*z34) + (s13*s24^2*z4)/(s12*s134*s34^2*z34) + 
   (2*s14*s24^2*z4)/(s12^2*s34^2*z34) + (s14*s24^2*z4)/
    (2*s12*s134*s34^2*z34) + (6*s23*s24^2*z4)/(s12^2*s34^2*z34) + 
   (3*s24^2*z4)/(2*s234*s34^2*z34) + (3*s13*s24^2*z4)/(s12*s234*s34^2*z34) + 
   (s13*s24^2*z4)/(s134*s234*s34^2*z34) + (5*s14*s24^2*z4)/
    (2*s12*s234*s34^2*z34) + (s14*s24^2*z4)/(s134*s234*s34^2*z34) + 
   (5*s23*s24^2*z4)/(s12*s234*s34^2*z34) + (2*s24^3*z4)/(s12^2*s34^2*z34) + 
   (2*s24^3*z4)/(s12*s234*s34^2*z34) + z4/(s34*z34) - 
   (s13*z4)/(s12*s34*z34) - (3*s13*z4)/(4*s123*s34*z34) - 
   (3*s13*z4)/(4*s124*s34*z34) - (3*s13^2*z4)/(4*s12*s123*s34*z34) - 
   (3*s13^2*z4)/(4*s12*s124*s34*z34) - (s13*z4)/(s134*s34*z34) - 
   (s12*s13*z4)/(s123*s134*s34*z34) + (s12*s13*z4)/(2*s124*s134*s34*z34) - 
   (s13^2*z4)/(s123*s134*s34*z34) + (s13^2*z4)/(2*s124*s134*s34*z34) - 
   (s14*z4)/(4*s123*s34*z34) - (3*s14*z4)/(4*s124*s34*z34) - 
   (s13*s14*z4)/(s12*s123*s34*z34) - (3*s13*s14*z4)/(2*s12*s124*s34*z34) - 
   (s14*z4)/(2*s134*s34*z34) - (s12*s14*z4)/(s123*s134*s34*z34) + 
   (s12*s14*z4)/(2*s124*s134*s34*z34) - (2*s13*s14*z4)/(s123*s134*s34*z34) + 
   (s13*s14*z4)/(s124*s134*s34*z34) - (s14^2*z4)/(4*s12*s123*s34*z34) - 
   (3*s14^2*z4)/(4*s12*s124*s34*z34) - (s14^2*z4)/(s123*s134*s34*z34) + 
   (s14^2*z4)/(2*s124*s134*s34*z34) - (3*s23*z4)/(4*s123*s34*z34) - 
   (3*s23*z4)/(4*s124*s34*z34) + (s13*s23*z4)/(s12^2*s34*z34) - 
   (7*s13*s23*z4)/(4*s12*s123*s34*z34) - (7*s13*s23*z4)/
    (4*s12*s124*s34*z34) - (s13^2*s23*z4)/(4*s12^2*s123*s34*z34) - 
   (s13^2*s23*z4)/(4*s12^2*s124*s34*z34) + (s13*s23*z4)/(s12*s134*s34*z34) + 
   (s13*s23*z4)/(s123*s134*s34*z34) + (s13*s23*z4)/(2*s124*s134*s34*z34) + 
   (2*s13^2*s23*z4)/(s12*s123*s134*s34*z34) - 
   (3*s14*s23*z4)/(4*s12*s123*s34*z34) - (9*s14*s23*z4)/
    (4*s12*s124*s34*z34) - (s13*s14*s23*z4)/(s12^2*s124*s34*z34) + 
   (s14*s23*z4)/(2*s12*s134*s34*z34) + (s14*s23*z4)/(s123*s134*s34*z34) + 
   (s14*s23*z4)/(2*s124*s134*s34*z34) + (4*s13*s14*s23*z4)/
    (s12*s123*s134*s34*z34) + (s14^2*s23*z4)/(4*s12^2*s123*s34*z34) - 
   (3*s14^2*s23*z4)/(4*s12^2*s124*s34*z34) + (2*s14^2*s23*z4)/
    (s12*s123*s134*s34*z34) + (3*s23^2*z4)/(s12^2*s34*z34) + 
   (s23^2*z4)/(2*s12*s123*s34*z34) - (s23^2*z4)/(2*s12*s124*s34*z34) + 
   (s13*s23^2*z4)/(s12^2*s123*s34*z34) + (2*s13*s23^2*z4)/
    (s12*s123*s134*s34*z34) + (3*s14*s23^2*z4)/(2*s12^2*s123*s34*z34) - 
   (s14*s23^2*z4)/(2*s12^2*s124*s34*z34) + (2*s14*s23^2*z4)/
    (s12*s123*s134*s34*z34) + (5*s23^3*z4)/(4*s12^2*s123*s34*z34) + 
   (s23^3*z4)/(4*s12^2*s124*s34*z34) + (s12*s23*z4)/(2*s123*s234*s34*z34) - 
   (s12*s23*z4)/(s124*s234*s34*z34) + (s13*s23*z4)/(s12*s234*s34*z34) + 
   (s13*s23*z4)/(2*s123*s234*s34*z34) - (s13*s23*z4)/(s124*s234*s34*z34) + 
   (s14*s23*z4)/(2*s12*s234*s34*z34) + (s14*s23*z4)/(2*s123*s234*s34*z34) - 
   (s14*s23*z4)/(s124*s234*s34*z34) + (2*s23^2*z4)/(s12*s234*s34*z34) - 
   (s23^2*z4)/(2*s123*s234*s34*z34) - (s23^2*z4)/(s124*s234*s34*z34) - 
   (s13*s23^2*z4)/(s12*s123*s234*s34*z34) - 
   (s14*s23^2*z4)/(s12*s123*s234*s34*z34) - 
   (s23^3*z4)/(s12*s123*s234*s34*z34) + (2*s24*z4)/(s12*s34*z34) - 
   (s24*z4)/(4*s123*s34*z34) - (3*s24*z4)/(4*s124*s34*z34) + 
   (3*s13*s24*z4)/(s12^2*s34*z34) - (3*s13*s24*z4)/(2*s12*s123*s34*z34) - 
   (s13*s24*z4)/(s12*s124*s34*z34) - (s13^2*s24*z4)/(2*s12^2*s123*s34*z34) + 
   (s13^2*s24*z4)/(2*s12^2*s124*s34*z34) + (s24*z4)/(s134*s34*z34) + 
   (2*s13*s24*z4)/(s12*s134*s34*z34) - (s13*s24*z4)/(s123*s134*s34*z34) - 
   (s13*s24*z4)/(2*s124*s134*s34*z34) - (s13^2*s24*z4)/
    (s12*s124*s134*s34*z34) + (2*s14*s24*z4)/(s12^2*s34*z34) - 
   (s14*s24*z4)/(2*s12*s123*s34*z34) - (3*s14*s24*z4)/(2*s12*s124*s34*z34) - 
   (s13*s14*s24*z4)/(2*s12^2*s123*s34*z34) + (s13*s14*s24*z4)/
    (2*s12^2*s124*s34*z34) + (3*s14*s24*z4)/(2*s12*s134*s34*z34) - 
   (s14*s24*z4)/(s123*s134*s34*z34) - (s14*s24*z4)/(2*s124*s134*s34*z34) - 
   (2*s13*s14*s24*z4)/(s12*s124*s134*s34*z34) - 
   (s14^2*s24*z4)/(s12*s124*s134*s34*z34) + (7*s23*s24*z4)/(s12^2*s34*z34) + 
   (s23*s24*z4)/(4*s12*s123*s34*z34) - (s23*s24*z4)/(4*s12*s124*s34*z34) + 
   (s13*s23*s24*z4)/(2*s12^2*s123*s34*z34) + (3*s13*s23*s24*z4)/
    (2*s12^2*s124*s34*z34) + (s23*s24*z4)/(s12*s134*s34*z34) + 
   (2*s13*s23*s24*z4)/(s12*s123*s134*s34*z34) - 
   (s13*s23*s24*z4)/(s12*s124*s134*s34*z34) + (3*s14*s23*s24*z4)/
    (2*s12^2*s123*s34*z34) + (s14*s23*s24*z4)/(2*s12^2*s124*s34*z34) + 
   (2*s14*s23*s24*z4)/(s12*s123*s134*s34*z34) - 
   (s14*s23*s24*z4)/(s12*s124*s134*s34*z34) + 
   (5*s23^2*s24*z4)/(2*s12^2*s123*s34*z34) + (3*s23^2*s24*z4)/
    (2*s12^2*s124*s34*z34) + (3*s24*z4)/(2*s234*s34*z34) + 
   (s12*s24*z4)/(2*s123*s234*s34*z34) - (s12*s24*z4)/(s124*s234*s34*z34) + 
   (3*s13*s24*z4)/(s12*s234*s34*z34) + (s13*s24*z4)/(2*s123*s234*s34*z34) - 
   (s13*s24*z4)/(s124*s234*s34*z34) + (s12*s24*z4)/(s134*s234*s34*z34) + 
   (2*s13*s24*z4)/(s134*s234*s34*z34) + (5*s14*s24*z4)/(2*s12*s234*s34*z34) + 
   (s14*s24*z4)/(2*s123*s234*s34*z34) - (s14*s24*z4)/(s124*s234*s34*z34) + 
   (2*s14*s24*z4)/(s134*s234*s34*z34) + (6*s23*s24*z4)/(s12*s234*s34*z34) - 
   (s13*s23*s24*z4)/(s12*s123*s234*s34*z34) + (2*s13*s23*s24*z4)/
    (s12*s124*s234*s34*z34) + (s23*s24*z4)/(s134*s234*s34*z34) - 
   (s14*s23*s24*z4)/(s12*s123*s234*s34*z34) + (2*s14*s23*s24*z4)/
    (s12*s124*s234*s34*z34) - (2*s23^2*s24*z4)/(s12*s123*s234*s34*z34) + 
   (2*s23^2*s24*z4)/(s12*s124*s234*s34*z34) + (4*s24^2*z4)/(s12^2*s34*z34) - 
   (s24^2*z4)/(4*s12*s123*s34*z34) + (s24^2*z4)/(4*s12*s124*s34*z34) - 
   (s13*s24^2*z4)/(2*s12^2*s123*s34*z34) + (3*s13*s24^2*z4)/
    (2*s12^2*s124*s34*z34) + (s24^2*z4)/(s12*s134*s34*z34) - 
   (s13*s24^2*z4)/(s12*s124*s134*s34*z34) + 
   (s14*s24^2*z4)/(s12^2*s124*s34*z34) - (s14*s24^2*z4)/
    (s12*s124*s134*s34*z34) + (5*s23*s24^2*z4)/(4*s12^2*s123*s34*z34) + 
   (9*s23*s24^2*z4)/(4*s12^2*s124*s34*z34) + 
   (4*s24^2*z4)/(s12*s234*s34*z34) + (s24^2*z4)/(2*s123*s234*s34*z34) + 
   (s24^2*z4)/(s124*s234*s34*z34) + (2*s13*s24^2*z4)/
    (s12*s124*s234*s34*z34) + (s24^2*z4)/(s134*s234*s34*z34) + 
   (2*s14*s24^2*z4)/(s12*s124*s234*s34*z34) - 
   (s23*s24^2*z4)/(s12*s123*s234*s34*z34) + (4*s23*s24^2*z4)/
    (s12*s124*s234*s34*z34) + (s24^3*z4)/(s12^2*s124*s34*z34) + 
   (2*s24^3*z4)/(s12*s124*s234*s34*z34) - (s34*z4)/(s123*s134*z34) + 
   (s34*z4)/(2*s124*s134*z34) + (s23*s34*z4)/(s12^2*s123*z34) + 
   (2*s23*s34*z4)/(s12*s123*s134*z34) + (s34*z4)/(2*s123*s234*z34) - 
   (s34*z4)/(s124*s234*z34) - (s23*s34*z4)/(s12*s123*s234*z34) + 
   (s24*s34*z4)/(s12^2*s124*z34) - (s24*s34*z4)/(s12*s124*s134*z34) + 
   (2*s24*s34*z4)/(s12*s124*s234*z34) - (z1*z4)/(s12*z12*z34) - 
   (z1*z4)/(2*s123*z12*z34) + (z1*z4)/(2*s124*z12*z34) - 
   (3*s13*z1*z4)/(4*s12*s123*z12*z34) + (3*s13*z1*z4)/(4*s12*s124*z12*z34) - 
   (3*s14*z1*z4)/(4*s12*s123*z12*z34) + (3*s14*z1*z4)/(4*s12*s124*z12*z34) - 
   (s23*z1*z4)/(s12^2*z12*z34) - (3*s23*z1*z4)/(4*s12*s123*z12*z34) + 
   (7*s23*z1*z4)/(4*s12*s124*z12*z34) - (3*s13*s23*z1*z4)/
    (4*s12^2*s123*z12*z34) + (s13*s23*z1*z4)/(4*s12^2*s124*z12*z34) - 
   (5*s14*s23*z1*z4)/(4*s12^2*s123*z12*z34) + 
   (3*s14*s23*z1*z4)/(4*s12^2*s124*z12*z34) - 
   (3*s23^2*z1*z4)/(4*s12^2*s123*z12*z34) + 
   (s23^2*z1*z4)/(4*s12^2*s124*z12*z34) - (2*s24*z1*z4)/(s12^2*z12*z34) - 
   (s24*z1*z4)/(4*s12*s123*z12*z34) + (s24*z1*z4)/(4*s12*s124*z12*z34) + 
   (s13*s24*z1*z4)/(2*s12^2*s123*z12*z34) - (3*s13*s24*z1*z4)/
    (2*s12^2*s124*z12*z34) - (s24*z1*z4)/(2*s12*s134*z12*z34) - 
   (s14*s24*z1*z4)/(s12^2*s124*z12*z34) - (3*s23*s24*z1*z4)/
    (4*s12^2*s123*z12*z34) - (3*s23*s24*z1*z4)/(4*s12^2*s124*z12*z34) - 
   (s24*z1*z4)/(2*s12*s234*z12*z34) - (s24^2*z1*z4)/(s12^2*s124*z12*z34) + 
   (2*s23*z1*z4)/(s34^2*z12*z34) + (2*s13*s23*z1*z4)/(s12*s34^2*z12*z34) + 
   (3*s14*s23*z1*z4)/(s12*s34^2*z12*z34) + (s13*s14*s23*z1*z4)/
    (s12^2*s34^2*z12*z34) + (s14^2*s23*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (2*s23^2*z1*z4)/(s12*s34^2*z12*z34) + (s14*s23^2*z1*z4)/
    (s12^2*s34^2*z12*z34) + (s24*z1*z4)/(s34^2*z12*z34) - 
   (s13^2*s24*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s13*s24*z1*z4)/(4*s134*s34^2*z12*z34) - (s13^2*s24*z1*z4)/
    (4*s12*s134*s34^2*z12*z34) + (s14*s24*z1*z4)/(s12*s34^2*z12*z34) - 
   (s13*s14*s24*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s14*s24*z1*z4)/(4*s134*s34^2*z12*z34) - (s13*s14*s24*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) - (s14^2*s24*z1*z4)/
    (4*s12*s134*s34^2*z12*z34) + (3*s23*s24*z1*z4)/(s12*s34^2*z12*z34) - 
   (s13*s23*s24*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s23*s24*z1*z4)/(4*s134*s34^2*z12*z34) - (s13*s23*s24*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s23*s24*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s14*s23*s24*z1*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s23^2*s24*z1*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s13*s24*z1*z4)/(4*s234*s34^2*z12*z34) - (s13^2*s24*z1*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s14*s24*z1*z4)/(4*s234*s34^2*z12*z34) - 
   (s13*s14*s24*z1*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s14^2*s24*z1*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (s23*s24*z1*z4)/(4*s234*s34^2*z12*z34) - (s13*s23*s24*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) - (s14*s23*s24*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) - (s23^2*s24*z1*z4)/
    (4*s12*s234*s34^2*z12*z34) + (s24^2*z1*z4)/(s12*s34^2*z12*z34) - 
   (s13*s24^2*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s24^2*z1*z4)/(4*s134*s34^2*z12*z34) - (s13*s24^2*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) - (s14*s24^2*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) - (s23*s24^2*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) - (s24^2*z1*z4)/(4*s234*s34^2*z12*z34) - 
   (s13*s24^2*z1*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s14*s24^2*z1*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s23*s24^2*z1*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s24^3*z1*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s24^3*z1*z4)/(4*s12*s234*s34^2*z12*z34) - (z1*z4)/(s34*z12*z34) - 
   (s13*z1*z4)/(s12*s34*z12*z34) - (s13*z1*z4)/(4*s123*s34*z12*z34) + 
   (s13*z1*z4)/(4*s124*s34*z12*z34) - (s13^2*z1*z4)/
    (4*s12*s123*s34*z12*z34) + (s13^2*z1*z4)/(4*s12*s124*s34*z12*z34) - 
   (s14*z1*z4)/(s12*s34*z12*z34) - (s14*z1*z4)/(4*s123*s34*z12*z34) + 
   (s14*z1*z4)/(4*s124*s34*z12*z34) - (s13*s14*z1*z4)/
    (2*s12*s123*s34*z12*z34) + (s13*s14*z1*z4)/(2*s12*s124*s34*z12*z34) - 
   (s14^2*z1*z4)/(4*s12*s123*s34*z12*z34) + 
   (s14^2*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (3*s23*z1*z4)/(4*s123*s34*z12*z34) + (5*s23*z1*z4)/(4*s124*s34*z12*z34) - 
   (s13*s23*z1*z4)/(s12^2*s34*z12*z34) + (3*s13*s23*z1*z4)/
    (4*s12*s123*s34*z12*z34) + (7*s13*s23*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s23*z1*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s23*z1*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s14*s23*z1*z4)/(4*s12*s123*s34*z12*z34) + 
   (9*s14*s23*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14*s23*z1*z4)/(s12^2*s124*s34*z12*z34) - 
   (s14^2*s23*z1*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (3*s14^2*s23*z1*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (s23^2*z1*z4)/(s12^2*s34*z12*z34) + (s23^2*z1*z4)/(s12*s123*s34*z12*z34) + 
   (3*s23^2*z1*z4)/(2*s12*s124*s34*z12*z34) + 
   (s13*s23^2*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s23^2*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s23^2*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (s23^3*z1*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s23^3*z1*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (2*s24*z1*z4)/(s12*s34*z12*z34) + (s24*z1*z4)/(4*s123*s34*z12*z34) + 
   (3*s24*z1*z4)/(4*s124*s34*z12*z34) - (3*s13*s24*z1*z4)/
    (s12^2*s34*z12*z34) + (s13*s24*z1*z4)/(2*s12*s123*s34*z12*z34) + 
   (s13*s24*z1*z4)/(2*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s24*z1*z4)/(2*s134*s34*z12*z34) - (3*s13*s24*z1*z4)/
    (4*s12*s134*s34*z12*z34) - (2*s14*s24*z1*z4)/(s12^2*s34*z12*z34) + 
   (s14*s24*z1*z4)/(s12*s124*s34*z12*z34) + (s13*s14*s24*z1*z4)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s14*s24*z1*z4)/
    (2*s12^2*s124*s34*z12*z34) - (3*s14*s24*z1*z4)/(4*s12*s134*s34*z12*z34) - 
   (3*s23*s24*z1*z4)/(s12^2*s34*z12*z34) + (5*s23*s24*z1*z4)/
    (4*s12*s123*s34*z12*z34) + (9*s23*s24*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13*s23*s24*z1*z4)/(s12^2*s123*s34*z12*z34) - 
   (3*s23*s24*z1*z4)/(4*s12*s134*s34*z12*z34) + 
   (s14*s23*s24*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (s23^2*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s23^2*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s24*z1*z4)/(2*s234*s34*z12*z34) - (3*s13*s24*z1*z4)/
    (4*s12*s234*s34*z12*z34) - (3*s14*s24*z1*z4)/(4*s12*s234*s34*z12*z34) - 
   (3*s23*s24*z1*z4)/(4*s12*s234*s34*z12*z34) - 
   (2*s24^2*z1*z4)/(s12^2*s34*z12*z34) + (s24^2*z1*z4)/
    (4*s12*s123*s34*z12*z34) + (3*s24^2*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13*s24^2*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s24^2*z1*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (3*s24^2*z1*z4)/(4*s12*s134*s34*z12*z34) + 
   (s23*s24^2*z1*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s23*s24^2*z1*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (3*s24^2*z1*z4)/(4*s12*s234*s34*z12*z34) - 
   (s34*z1*z4)/(2*s12*s123*z12*z34) + (s34*z1*z4)/(2*s12*s124*z12*z34) - 
   (s23*s34*z1*z4)/(s12^2*s123*z12*z34) - (s24*s34*z1*z4)/
    (s12^2*s124*z12*z34) + (4*z1*z2*z4)/(s12*z12^2*z34) + 
   (2*z1*z2*z4)/(s123*z12^2*z34) + (2*z1*z2*z4)/(s124*z12^2*z34) + 
   (2*s13*z1*z2*z4)/(s12^2*z12^2*z34) + (5*s13*z1*z2*z4)/
    (s12*s123*z12^2*z34) + (3*s13*z1*z2*z4)/(s12*s124*z12^2*z34) + 
   (3*s13^2*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (4*s14*z1*z2*z4)/(s12^2*z12^2*z34) + (3*s14*z1*z2*z4)/
    (s12*s123*z12^2*z34) + (5*s14*z1*z2*z4)/(s12*s124*z12^2*z34) + 
   (3*s13*s14*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (3*s13*s14*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (3*s14^2*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (2*s23*z1*z2*z4)/(s12^2*z12^2*z34) + (5*s23*z1*z2*z4)/
    (s12*s123*z12^2*z34) + (3*s23*z1*z2*z4)/(s12*s124*z12^2*z34) + 
   (6*s13*s23*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (3*s14*s23*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (3*s14*s23*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (3*s23^2*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (4*s24*z1*z2*z4)/(s12^2*z12^2*z34) + (3*s24*z1*z2*z4)/
    (s12*s123*z12^2*z34) + (5*s24*z1*z2*z4)/(s12*s124*z12^2*z34) + 
   (3*s13*s24*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (3*s13*s24*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (6*s14*s24*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (3*s23*s24*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (3*s23*s24*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (3*s24^2*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (4*s13*z1*z2*z4)/(s34^2*z12^2*z34) + (6*s13^2*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (2*s13^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (2*s14*z1*z2*z4)/(s34^2*z12^2*z34) + (10*s13*s14*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (6*s13^2*s14*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (4*s14^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) + (6*s13*s14^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (2*s14^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (4*s23*z1*z2*z4)/(s34^2*z12^2*z34) + (12*s13*s23*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (6*s13^2*s23*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (10*s14*s23*z1*z2*z4)/(s12*s34^2*z12^2*z34) + (12*s13*s14*s23*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (6*s14^2*s23*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (6*s23^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) + 
   (6*s13*s23^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (6*s14*s23^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (2*s23^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (2*s24*z1*z2*z4)/(s34^2*z12^2*z34) + (10*s13*s24*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (6*s13^2*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (8*s14*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) + (12*s13*s14*s24*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (6*s14^2*s24*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (10*s23*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) + 
   (12*s13*s23*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (12*s14*s23*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (6*s23^2*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (4*s24^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) + (6*s13*s24^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (6*s14*s24^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (6*s23*s24^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (2*s24^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (4*z1*z2*z4)/(s34*z12^2*z34) + (10*s13*z1*z2*z4)/(s12*s34*z12^2*z34) + 
   (s13*z1*z2*z4)/(s123*s34*z12^2*z34) + (s13*z1*z2*z4)/
    (s124*s34*z12^2*z34) + (4*s13^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (2*s13^2*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (s13^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (s13^3*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (10*s14*z1*z2*z4)/(s12*s34*z12^2*z34) + 
   (s14*z1*z2*z4)/(s123*s34*z12^2*z34) + (s14*z1*z2*z4)/
    (s124*s34*z12^2*z34) + (10*s13*s14*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (3*s13*s14*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (3*s13*s14*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (2*s13^2*s14*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (s13^2*s14*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (6*s14^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (s14^2*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (2*s14^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (s13*s14^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s14^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (s14^3*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (10*s23*z1*z2*z4)/(s12*s34*z12^2*z34) + 
   (s23*z1*z2*z4)/(s123*s34*z12^2*z34) + (s23*z1*z2*z4)/
    (s124*s34*z12^2*z34) + (8*s13*s23*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (4*s13*s23*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (2*s13*s23*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (3*s13^2*s23*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (10*s14*s23*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (3*s14*s23*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (3*s14*s23*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (4*s13*s14*s23*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s14*s23*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (s14^2*s23*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s14^2*s23*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (4*s23^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) + (2*s23^2*z1*z2*z4)/
    (s12*s123*s34*z12^2*z34) + (s23^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (3*s13*s23^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s14*s23^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (s14*s23^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (s23^3*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (10*s24*z1*z2*z4)/(s12*s34*z12^2*z34) + 
   (s24*z1*z2*z4)/(s123*s34*z12^2*z34) + (s24*z1*z2*z4)/
    (s124*s34*z12^2*z34) + (10*s13*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (3*s13*s24*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (3*s13*s24*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (2*s13^2*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (s13^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (12*s14*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (2*s14*s24*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (4*s14*s24*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (2*s13*s14*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (4*s13*s14*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (3*s14^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (10*s23*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (3*s23*s24*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (3*s23*s24*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (4*s13*s23*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s23*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (2*s14*s23*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (4*s14*s23*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (2*s23^2*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (s23^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (6*s24^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (s24^2*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (2*s24^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (s13*s24^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (3*s14*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (s23*s24^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s23*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (s24^3*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (2*s34*z1*z2*z4)/(s12*s123*z12^2*z34) + (2*s34*z1*z2*z4)/
    (s12*s124*z12^2*z34) + (2*s13*s34*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (2*s14*s34*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (2*s23*s34*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (2*s24*s34*z1*z2*z4)/(s12^2*s124*z12^2*z34) - (3*z2*z4)/(s12*z12*z34) - 
   (3*z2*z4)/(2*s123*z12*z34) - (z2*z4)/(2*s124*z12*z34) - 
   (2*s13*z2*z4)/(s12^2*z12*z34) - (17*s13*z2*z4)/(4*s12*s123*z12*z34) - 
   (3*s13*z2*z4)/(4*s12*s124*z12*z34) - (3*s13^2*z2*z4)/
    (s12^2*s123*z12*z34) - (3*z2*z4)/(2*s134*z12*z34) - 
   (2*s12*z2*z4)/(s123*s134*z12*z34) + (s12*z2*z4)/(s124*s134*z12*z34) - 
   (3*s13*z2*z4)/(4*s12*s134*z12*z34) - (6*s13*z2*z4)/(s123*s134*z12*z34) + 
   (2*s13*z2*z4)/(s124*s134*z12*z34) - (4*s13^2*z2*z4)/
    (s12*s123*s134*z12*z34) - (4*s14*z2*z4)/(s12^2*z12*z34) - 
   (9*s14*z2*z4)/(4*s12*s123*z12*z34) - (11*s14*z2*z4)/(4*s12*s124*z12*z34) - 
   (3*s13*s14*z2*z4)/(s12^2*s123*z12*z34) - (3*s13*s14*z2*z4)/
    (s12^2*s124*z12*z34) - (7*s14*z2*z4)/(4*s12*s134*z12*z34) - 
   (4*s14*z2*z4)/(s123*s134*z12*z34) + (3*s14*z2*z4)/(s124*s134*z12*z34) - 
   (4*s13*s14*z2*z4)/(s12*s123*s134*z12*z34) + 
   (2*s13*s14*z2*z4)/(s12*s124*s134*z12*z34) - 
   (3*s14^2*z2*z4)/(s12^2*s124*z12*z34) + (2*s14^2*z2*z4)/
    (s12*s124*s134*z12*z34) - (s23*z2*z4)/(s12^2*z12*z34) - 
   (17*s23*z2*z4)/(4*s12*s123*z12*z34) - (7*s23*z2*z4)/(4*s12*s124*z12*z34) - 
   (21*s13*s23*z2*z4)/(4*s12^2*s123*z12*z34) - 
   (s13*s23*z2*z4)/(4*s12^2*s124*z12*z34) - 
   (3*s23*z2*z4)/(4*s12*s134*z12*z34) - (4*s23*z2*z4)/(s123*s134*z12*z34) + 
   (s23*z2*z4)/(s124*s134*z12*z34) - (6*s13*s23*z2*z4)/
    (s12*s123*s134*z12*z34) - (7*s14*s23*z2*z4)/(4*s12^2*s123*z12*z34) - 
   (15*s14*s23*z2*z4)/(4*s12^2*s124*z12*z34) - 
   (4*s14*s23*z2*z4)/(s12*s123*s134*z12*z34) + 
   (s14*s23*z2*z4)/(s12*s124*s134*z12*z34) - 
   (9*s23^2*z2*z4)/(4*s12^2*s123*z12*z34) - 
   (s23^2*z2*z4)/(4*s12^2*s124*z12*z34) - (2*s23^2*z2*z4)/
    (s12*s123*s134*z12*z34) - (z2*z4)/(2*s234*z12*z34) + 
   (s12*z2*z4)/(s123*s234*z12*z34) - (2*s12*z2*z4)/(s124*s234*z12*z34) - 
   (s13*z2*z4)/(4*s12*s234*z12*z34) + (2*s13*z2*z4)/(s123*s234*z12*z34) - 
   (2*s13*z2*z4)/(s124*s234*z12*z34) + (s13^2*z2*z4)/
    (s12*s123*s234*z12*z34) - (5*s14*z2*z4)/(4*s12*s234*z12*z34) + 
   (s14*z2*z4)/(s123*s234*z12*z34) - (4*s14*z2*z4)/(s124*s234*z12*z34) + 
   (s13*s14*z2*z4)/(s12*s123*s234*z12*z34) - (2*s13*s14*z2*z4)/
    (s12*s124*s234*z12*z34) - (2*s14^2*z2*z4)/(s12*s124*s234*z12*z34) - 
   (s23*z2*z4)/(4*s12*s234*z12*z34) + (3*s23*z2*z4)/(s123*s234*z12*z34) - 
   (4*s23*z2*z4)/(s124*s234*z12*z34) + (3*s13*s23*z2*z4)/
    (s12*s123*s234*z12*z34) + (s14*s23*z2*z4)/(s12*s123*s234*z12*z34) - 
   (4*s14*s23*z2*z4)/(s12*s124*s234*z12*z34) + 
   (2*s23^2*z2*z4)/(s12*s123*s234*z12*z34) - (2*s24*z2*z4)/(s12^2*z12*z34) - 
   (11*s24*z2*z4)/(4*s12*s123*z12*z34) - (9*s24*z2*z4)/(4*s12*s124*z12*z34) - 
   (7*s13*s24*z2*z4)/(2*s12^2*s123*z12*z34) - 
   (3*s13*s24*z2*z4)/(2*s12^2*s124*z12*z34) - 
   (5*s24*z2*z4)/(4*s12*s134*z12*z34) - (2*s24*z2*z4)/(s123*s134*z12*z34) + 
   (2*s24*z2*z4)/(s124*s134*z12*z34) - (2*s13*s24*z2*z4)/
    (s12*s123*s134*z12*z34) + (2*s13*s24*z2*z4)/(s12*s124*s134*z12*z34) - 
   (5*s14*s24*z2*z4)/(s12^2*s124*z12*z34) + (3*s14*s24*z2*z4)/
    (s12*s124*s134*z12*z34) - (9*s23*s24*z2*z4)/(4*s12^2*s123*z12*z34) - 
   (9*s23*s24*z2*z4)/(4*s12^2*s124*z12*z34) - 
   (2*s23*s24*z2*z4)/(s12*s123*s134*z12*z34) + 
   (s23*s24*z2*z4)/(s12*s124*s134*z12*z34) - 
   (3*s24*z2*z4)/(4*s12*s234*z12*z34) + (2*s24*z2*z4)/(s123*s234*z12*z34) - 
   (6*s24*z2*z4)/(s124*s234*z12*z34) + (2*s13*s24*z2*z4)/
    (s12*s123*s234*z12*z34) - (2*s13*s24*z2*z4)/(s12*s124*s234*z12*z34) - 
   (6*s14*s24*z2*z4)/(s12*s124*s234*z12*z34) + 
   (2*s23*s24*z2*z4)/(s12*s123*s234*z12*z34) - 
   (4*s23*s24*z2*z4)/(s12*s124*s234*z12*z34) - 
   (2*s24^2*z2*z4)/(s12^2*s124*z12*z34) + 
   (s24^2*z2*z4)/(s12*s124*s134*z12*z34) - (4*s24^2*z2*z4)/
    (s12*s124*s234*z12*z34) - (2*s13*z2*z4)/(s34^2*z12*z34) - 
   (4*s13^2*z2*z4)/(s12*s34^2*z12*z34) - (2*s13^3*z2*z4)/
    (s12^2*s34^2*z12*z34) - (2*s12*s13*z2*z4)/(s134*s34^2*z12*z34) - 
   (3*s13^2*z2*z4)/(s134*s34^2*z12*z34) - 
   (s13^3*z2*z4)/(s12*s134*s34^2*z12*z34) - (s14*z2*z4)/(s34^2*z12*z34) - 
   (7*s13*s14*z2*z4)/(s12*s34^2*z12*z34) - (6*s13^2*s14*z2*z4)/
    (s12^2*s34^2*z12*z34) - (s12*s14*z2*z4)/(s134*s34^2*z12*z34) - 
   (21*s13*s14*z2*z4)/(4*s134*s34^2*z12*z34) - (13*s13^2*s14*z2*z4)/
    (4*s12*s134*s34^2*z12*z34) - (3*s14^2*z2*z4)/(s12*s34^2*z12*z34) - 
   (6*s13*s14^2*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (9*s14^2*z2*z4)/(4*s134*s34^2*z12*z34) - (7*s13*s14^2*z2*z4)/
    (2*s12*s134*s34^2*z12*z34) - (2*s14^3*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (5*s14^3*z2*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (4*s23*z2*z4)/(s34^2*z12*z34) - (10*s13*s23*z2*z4)/(s12*s34^2*z12*z34) - 
   (6*s13^2*s23*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (3*s13*s23*z2*z4)/(s134*s34^2*z12*z34) - (2*s13^2*s23*z2*z4)/
    (s12*s134*s34^2*z12*z34) - (10*s14*s23*z2*z4)/(s12*s34^2*z12*z34) - 
   (13*s13*s14*s23*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (7*s14*s23*z2*z4)/(4*s134*s34^2*z12*z34) - (4*s13*s14*s23*z2*z4)/
    (s12*s134*s34^2*z12*z34) - (7*s14^2*s23*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (2*s14^2*s23*z2*z4)/(s12*s134*s34^2*z12*z34) - 
   (6*s23^2*z2*z4)/(s12*s34^2*z12*z34) - (6*s13*s23^2*z2*z4)/
    (s12^2*s34^2*z12*z34) - (s13*s23^2*z2*z4)/(s12*s134*s34^2*z12*z34) - 
   (7*s14*s23^2*z2*z4)/(s12^2*s34^2*z12*z34) - (3*s14*s23^2*z2*z4)/
    (4*s12*s134*s34^2*z12*z34) - (2*s23^3*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (s13*s14*z2*z4)/(4*s234*s34^2*z12*z34) - (s13^2*s14*z2*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s14^2*z2*z4)/(4*s234*s34^2*z12*z34) - 
   (s13*s14^2*z2*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s14^3*z2*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (2*s12*s23*z2*z4)/(s234*s34^2*z12*z34) - (3*s13*s23*z2*z4)/
    (s234*s34^2*z12*z34) - (s13^2*s23*z2*z4)/(s12*s234*s34^2*z12*z34) - 
   (15*s14*s23*z2*z4)/(4*s234*s34^2*z12*z34) - (3*s13*s14*s23*z2*z4)/
    (s12*s234*s34^2*z12*z34) - (2*s14^2*s23*z2*z4)/(s12*s234*s34^2*z12*z34) - 
   (3*s23^2*z2*z4)/(s234*s34^2*z12*z34) - (2*s13*s23^2*z2*z4)/
    (s12*s234*s34^2*z12*z34) - (11*s14*s23^2*z2*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s23^3*z2*z4)/(s12*s234*s34^2*z12*z34) - 
   (2*s24*z2*z4)/(s34^2*z12*z34) - (7*s13*s24*z2*z4)/(s12*s34^2*z12*z34) - 
   (5*s13^2*s24*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (7*s13*s24*z2*z4)/(2*s134*s34^2*z12*z34) - (5*s13^2*s24*z2*z4)/
    (2*s12*s134*s34^2*z12*z34) - (7*s14*s24*z2*z4)/(s12*s34^2*z12*z34) - 
   (11*s13*s14*s24*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (9*s14*s24*z2*z4)/(4*s134*s34^2*z12*z34) - (5*s13*s14*s24*z2*z4)/
    (s12*s134*s34^2*z12*z34) - (6*s14^2*s24*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (5*s14^2*s24*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (10*s23*s24*z2*z4)/(s12*s34^2*z12*z34) - (11*s13*s23*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) - (5*s13*s23*s24*z2*z4)/
    (2*s12*s134*s34^2*z12*z34) - (13*s14*s23*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) - (2*s14*s23*s24*z2*z4)/(s12*s134*s34^2*z12*z34) - 
   (6*s23^2*s24*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (s12*s24*z2*z4)/(s234*s34^2*z12*z34) - (3*s13*s24*z2*z4)/
    (2*s234*s34^2*z12*z34) - (s13^2*s24*z2*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (9*s14*s24*z2*z4)/(4*s234*s34^2*z12*z34) - (2*s13*s14*s24*z2*z4)/
    (s12*s234*s34^2*z12*z34) - (3*s14^2*s24*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) - (5*s23*s24*z2*z4)/(s234*s34^2*z12*z34) - 
   (7*s13*s23*s24*z2*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (5*s14*s23*s24*z2*z4)/(s12*s234*s34^2*z12*z34) - 
   (3*s23^2*s24*z2*z4)/(s12*s234*s34^2*z12*z34) - 
   (4*s24^2*z2*z4)/(s12*s34^2*z12*z34) - (5*s13*s24^2*z2*z4)/
    (s12^2*s34^2*z12*z34) - (3*s13*s24^2*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (6*s14*s24^2*z2*z4)/(s12^2*s34^2*z12*z34) - (5*s14*s24^2*z2*z4)/
    (4*s12*s134*s34^2*z12*z34) - (6*s23*s24^2*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (2*s24^2*z2*z4)/(s234*s34^2*z12*z34) - (3*s13*s24^2*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) - (9*s14*s24^2*z2*z4)/
    (4*s12*s234*s34^2*z12*z34) - (3*s23*s24^2*z2*z4)/
    (s12*s234*s34^2*z12*z34) - (2*s24^3*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (s24^3*z2*z4)/(s12*s234*s34^2*z12*z34) - (3*z2*z4)/(s34*z12*z34) - 
   (7*s13*z2*z4)/(s12*s34*z12*z34) - (3*s13*z2*z4)/(4*s123*s34*z12*z34) - 
   (s13*z2*z4)/(4*s124*s34*z12*z34) - (4*s13^2*z2*z4)/(s12^2*s34*z12*z34) - 
   (7*s13^2*z2*z4)/(4*s12*s123*s34*z12*z34) - 
   (s13^2*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13^3*z2*z4)/(s12^2*s123*s34*z12*z34) - 
   (3*s12*z2*z4)/(2*s134*s34*z12*z34) - (17*s13*z2*z4)/(4*s134*s34*z12*z34) - 
   (2*s12*s13*z2*z4)/(s123*s134*s34*z12*z34) + 
   (s12*s13*z2*z4)/(s124*s134*s34*z12*z34) - 
   (7*s13^2*z2*z4)/(4*s12*s134*s34*z12*z34) - 
   (4*s13^2*z2*z4)/(s123*s134*s34*z12*z34) + 
   (s13^2*z2*z4)/(s124*s134*s34*z12*z34) - (2*s13^3*z2*z4)/
    (s12*s123*s134*s34*z12*z34) - (8*s14*z2*z4)/(s12*s34*z12*z34) - 
   (3*s14*z2*z4)/(4*s123*s34*z12*z34) - (s14*z2*z4)/(4*s124*s34*z12*z34) - 
   (10*s13*s14*z2*z4)/(s12^2*s34*z12*z34) - (5*s13*s14*z2*z4)/
    (2*s12*s123*s34*z12*z34) - (3*s13*s14*z2*z4)/(2*s12*s124*s34*z12*z34) - 
   (2*s13^2*s14*z2*z4)/(s12^2*s123*s34*z12*z34) - 
   (s13^2*s14*z2*z4)/(s12^2*s124*s34*z12*z34) - 
   (17*s14*z2*z4)/(4*s134*s34*z12*z34) - (2*s12*s14*z2*z4)/
    (s123*s134*s34*z12*z34) + (s12*s14*z2*z4)/(s124*s134*s34*z12*z34) - 
   (19*s13*s14*z2*z4)/(4*s12*s134*s34*z12*z34) - 
   (6*s13*s14*z2*z4)/(s123*s134*s34*z12*z34) + 
   (3*s13*s14*z2*z4)/(s124*s134*s34*z12*z34) - (4*s13^2*s14*z2*z4)/
    (s12*s123*s134*s34*z12*z34) + (s13^2*s14*z2*z4)/
    (s12*s124*s134*s34*z12*z34) - (6*s14^2*z2*z4)/(s12^2*s34*z12*z34) - 
   (3*s14^2*z2*z4)/(4*s12*s123*s34*z12*z34) - 
   (5*s14^2*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13*s14^2*z2*z4)/(s12^2*s123*s34*z12*z34) - 
   (2*s13*s14^2*z2*z4)/(s12^2*s124*s34*z12*z34) - 
   (3*s14^2*z2*z4)/(s12*s134*s34*z12*z34) - (2*s14^2*z2*z4)/
    (s123*s134*s34*z12*z34) + (2*s14^2*z2*z4)/(s124*s134*s34*z12*z34) - 
   (2*s13*s14^2*z2*z4)/(s12*s123*s134*s34*z12*z34) + 
   (2*s13*s14^2*z2*z4)/(s12*s124*s134*s34*z12*z34) - 
   (s14^3*z2*z4)/(s12^2*s124*s34*z12*z34) + 
   (s14^3*z2*z4)/(s12*s124*s134*s34*z12*z34) - 
   (8*s23*z2*z4)/(s12*s34*z12*z34) - (7*s23*z2*z4)/(4*s123*s34*z12*z34) - 
   (5*s23*z2*z4)/(4*s124*s34*z12*z34) - (7*s13*s23*z2*z4)/
    (s12^2*s34*z12*z34) - (19*s13*s23*z2*z4)/(4*s12*s123*s34*z12*z34) - 
   (7*s13*s23*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (13*s13^2*s23*z2*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^2*s23*z2*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (9*s23*z2*z4)/(4*s134*s34*z12*z34) - (5*s13*s23*z2*z4)/
    (2*s12*s134*s34*z12*z34) - (4*s13*s23*z2*z4)/(s123*s134*s34*z12*z34) + 
   (s13*s23*z2*z4)/(s124*s134*s34*z12*z34) - (4*s13^2*s23*z2*z4)/
    (s12*s123*s134*s34*z12*z34) - (10*s14*s23*z2*z4)/(s12^2*s34*z12*z34) - 
   (13*s14*s23*z2*z4)/(4*s12*s123*s34*z12*z34) - 
   (13*s14*s23*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (4*s13*s14*s23*z2*z4)/(s12^2*s123*s34*z12*z34) - 
   (3*s13*s14*s23*z2*z4)/(s12^2*s124*s34*z12*z34) - 
   (13*s14*s23*z2*z4)/(4*s12*s134*s34*z12*z34) - 
   (4*s14*s23*z2*z4)/(s123*s134*s34*z12*z34) + 
   (s14*s23*z2*z4)/(s124*s134*s34*z12*z34) - (6*s13*s14*s23*z2*z4)/
    (s12*s123*s134*s34*z12*z34) + (s13*s14*s23*z2*z4)/
    (s12*s124*s134*s34*z12*z34) - (3*s14^2*s23*z2*z4)/
    (4*s12^2*s123*s34*z12*z34) - (11*s14^2*s23*z2*z4)/
    (4*s12^2*s124*s34*z12*z34) - (2*s14^2*s23*z2*z4)/
    (s12*s123*s134*s34*z12*z34) + (s14^2*s23*z2*z4)/
    (s12*s124*s134*s34*z12*z34) - (3*s23^2*z2*z4)/(s12^2*s34*z12*z34) - 
   (3*s23^2*z2*z4)/(s12*s123*s34*z12*z34) - (3*s23^2*z2*z4)/
    (2*s12*s124*s34*z12*z34) - (7*s13*s23^2*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s23^2*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) - (3*s23^2*z2*z4)/(4*s12*s134*s34*z12*z34) - 
   (2*s13*s23^2*z2*z4)/(s12*s123*s134*s34*z12*z34) - 
   (2*s14*s23^2*z2*z4)/(s12^2*s123*s34*z12*z34) - 
   (2*s14*s23^2*z2*z4)/(s12^2*s124*s34*z12*z34) - 
   (2*s14*s23^2*z2*z4)/(s12*s123*s134*s34*z12*z34) - 
   (5*s23^3*z2*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s23^3*z2*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (s12*z2*z4)/(2*s234*s34*z12*z34) - (3*s13*z2*z4)/(4*s234*s34*z12*z34) - 
   (s13^2*z2*z4)/(4*s12*s234*s34*z12*z34) - 
   (7*s14*z2*z4)/(4*s234*s34*z12*z34) - (7*s13*s14*z2*z4)/
    (4*s12*s234*s34*z12*z34) - (3*s14^2*z2*z4)/(2*s12*s234*s34*z12*z34) - 
   (11*s23*z2*z4)/(4*s234*s34*z12*z34) + (s12*s23*z2*z4)/
    (s123*s234*s34*z12*z34) - (2*s12*s23*z2*z4)/(s124*s234*s34*z12*z34) - 
   (3*s13*s23*z2*z4)/(2*s12*s234*s34*z12*z34) + 
   (2*s13*s23*z2*z4)/(s123*s234*s34*z12*z34) - 
   (2*s13*s23*z2*z4)/(s124*s234*s34*z12*z34) + 
   (s13^2*s23*z2*z4)/(s12*s123*s234*s34*z12*z34) - 
   (13*s14*s23*z2*z4)/(4*s12*s234*s34*z12*z34) + 
   (s14*s23*z2*z4)/(s123*s234*s34*z12*z34) - (4*s14*s23*z2*z4)/
    (s124*s234*s34*z12*z34) + (s13*s14*s23*z2*z4)/(s12*s123*s234*s34*z12*
     z34) - (2*s13*s14*s23*z2*z4)/(s12*s124*s234*s34*z12*z34) - 
   (2*s14^2*s23*z2*z4)/(s12*s124*s234*s34*z12*z34) - 
   (5*s23^2*z2*z4)/(4*s12*s234*s34*z12*z34) + 
   (2*s23^2*z2*z4)/(s123*s234*s34*z12*z34) - 
   (2*s23^2*z2*z4)/(s124*s234*s34*z12*z34) + (2*s13*s23^2*z2*z4)/
    (s12*s123*s234*s34*z12*z34) + (s14*s23^2*z2*z4)/
    (s12*s123*s234*s34*z12*z34) - (2*s14*s23^2*z2*z4)/
    (s12*s124*s234*s34*z12*z34) + (s23^3*z2*z4)/(s12*s123*s234*s34*z12*z34) - 
   (7*s24*z2*z4)/(s12*s34*z12*z34) - (5*s24*z2*z4)/(4*s123*s34*z12*z34) - 
   (3*s24*z2*z4)/(4*s124*s34*z12*z34) - (7*s13*s24*z2*z4)/
    (s12^2*s34*z12*z34) - (7*s13*s24*z2*z4)/(2*s12*s123*s34*z12*z34) - 
   (3*s13*s24*z2*z4)/(2*s12*s124*s34*z12*z34) - 
   (5*s13^2*s24*z2*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z2*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (11*s24*z2*z4)/(4*s134*s34*z12*z34) - (7*s13*s24*z2*z4)/
    (2*s12*s134*s34*z12*z34) - (2*s13*s24*z2*z4)/(s123*s134*s34*z12*z34) + 
   (2*s13*s24*z2*z4)/(s124*s134*s34*z12*z34) - (2*s13^2*s24*z2*z4)/
    (s12*s123*s134*s34*z12*z34) + (s13^2*s24*z2*z4)/
    (s12*s124*s134*s34*z12*z34) - (10*s14*s24*z2*z4)/(s12^2*s34*z12*z34) - 
   (2*s14*s24*z2*z4)/(s12*s123*s34*z12*z34) - 
   (3*s14*s24*z2*z4)/(s12*s124*s34*z12*z34) - (5*s13*s14*s24*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) - (7*s13*s14*s24*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) - (17*s14*s24*z2*z4)/
    (4*s12*s134*s34*z12*z34) - (2*s14*s24*z2*z4)/(s123*s134*s34*z12*z34) + 
   (2*s14*s24*z2*z4)/(s124*s134*s34*z12*z34) - (2*s13*s14*s24*z2*z4)/
    (s12*s123*s134*s34*z12*z34) + (3*s13*s14*s24*z2*z4)/
    (s12*s124*s134*s34*z12*z34) - (3*s14^2*s24*z2*z4)/
    (s12^2*s124*s34*z12*z34) + (2*s14^2*s24*z2*z4)/
    (s12*s124*s134*s34*z12*z34) - (7*s23*s24*z2*z4)/(s12^2*s34*z12*z34) - 
   (17*s23*s24*z2*z4)/(4*s12*s123*s34*z12*z34) - 
   (13*s23*s24*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (5*s13*s23*s24*z2*z4)/(s12^2*s123*s34*z12*z34) - 
   (2*s13*s23*s24*z2*z4)/(s12^2*s124*s34*z12*z34) - 
   (2*s23*s24*z2*z4)/(s12*s134*s34*z12*z34) - (2*s13*s23*s24*z2*z4)/
    (s12*s123*s134*s34*z12*z34) + (s13*s23*s24*z2*z4)/
    (s12*s124*s134*s34*z12*z34) - (2*s14*s23*s24*z2*z4)/
    (s12^2*s123*s34*z12*z34) - (5*s14*s23*s24*z2*z4)/
    (s12^2*s124*s34*z12*z34) - (2*s14*s23*s24*z2*z4)/
    (s12*s123*s134*s34*z12*z34) + (s14*s23*s24*z2*z4)/
    (s12*s124*s134*s34*z12*z34) - (5*s23^2*s24*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) - (3*s23^2*s24*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) - (9*s24*z2*z4)/(4*s234*s34*z12*z34) + 
   (s12*s24*z2*z4)/(s123*s234*s34*z12*z34) - (2*s12*s24*z2*z4)/
    (s124*s234*s34*z12*z34) - (3*s13*s24*z2*z4)/(2*s12*s234*s34*z12*z34) + 
   (2*s13*s24*z2*z4)/(s123*s234*s34*z12*z34) - 
   (2*s13*s24*z2*z4)/(s124*s234*s34*z12*z34) + 
   (s13^2*s24*z2*z4)/(s12*s123*s234*s34*z12*z34) - 
   (13*s14*s24*z2*z4)/(4*s12*s234*s34*z12*z34) + 
   (s14*s24*z2*z4)/(s123*s234*s34*z12*z34) - (4*s14*s24*z2*z4)/
    (s124*s234*s34*z12*z34) + (s13*s14*s24*z2*z4)/(s12*s123*s234*s34*z12*
     z34) - (2*s13*s14*s24*z2*z4)/(s12*s124*s234*s34*z12*z34) - 
   (2*s14^2*s24*z2*z4)/(s12*s124*s234*s34*z12*z34) - 
   (3*s23*s24*z2*z4)/(s12*s234*s34*z12*z34) + 
   (3*s23*s24*z2*z4)/(s123*s234*s34*z12*z34) - 
   (6*s23*s24*z2*z4)/(s124*s234*s34*z12*z34) + (3*s13*s23*s24*z2*z4)/
    (s12*s123*s234*s34*z12*z34) - (2*s13*s23*s24*z2*z4)/
    (s12*s124*s234*s34*z12*z34) + (s14*s23*s24*z2*z4)/
    (s12*s123*s234*s34*z12*z34) - (6*s14*s23*s24*z2*z4)/
    (s12*s124*s234*s34*z12*z34) + (2*s23^2*s24*z2*z4)/
    (s12*s123*s234*s34*z12*z34) - (2*s23^2*s24*z2*z4)/
    (s12*s124*s234*s34*z12*z34) - (4*s24^2*z2*z4)/(s12^2*s34*z12*z34) - 
   (5*s24^2*z2*z4)/(4*s12*s123*s34*z12*z34) - 
   (7*s24^2*z2*z4)/(4*s12*s124*s34*z12*z34) - (3*s13*s24^2*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) - (3*s13*s24^2*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) - (5*s24^2*z2*z4)/(4*s12*s134*s34*z12*z34) + 
   (s13*s24^2*z2*z4)/(s12*s124*s134*s34*z12*z34) - 
   (3*s14*s24^2*z2*z4)/(s12^2*s124*s34*z12*z34) + 
   (s14*s24^2*z2*z4)/(s12*s124*s134*s34*z12*z34) - 
   (5*s23*s24^2*z2*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (9*s23*s24^2*z2*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (7*s24^2*z2*z4)/(4*s12*s234*s34*z12*z34) + 
   (s24^2*z2*z4)/(s123*s234*s34*z12*z34) - (4*s24^2*z2*z4)/
    (s124*s234*s34*z12*z34) + (s13*s24^2*z2*z4)/(s12*s123*s234*s34*z12*z34) - 
   (2*s13*s24^2*z2*z4)/(s12*s124*s234*s34*z12*z34) - 
   (4*s14*s24^2*z2*z4)/(s12*s124*s234*s34*z12*z34) + 
   (s23*s24^2*z2*z4)/(s12*s123*s234*s34*z12*z34) - 
   (4*s23*s24^2*z2*z4)/(s12*s124*s234*s34*z12*z34) - 
   (s24^3*z2*z4)/(s12^2*s124*s34*z12*z34) - (2*s24^3*z2*z4)/
    (s12*s124*s234*s34*z12*z34) - (3*s34*z2*z4)/(2*s12*s123*z12*z34) - 
   (s34*z2*z4)/(2*s12*s124*z12*z34) - (2*s13*s34*z2*z4)/
    (s12^2*s123*z12*z34) - (2*s34*z2*z4)/(s123*s134*z12*z34) + 
   (s34*z2*z4)/(s124*s134*z12*z34) - (2*s13*s34*z2*z4)/
    (s12*s123*s134*z12*z34) - (2*s14*s34*z2*z4)/(s12^2*s124*z12*z34) + 
   (s14*s34*z2*z4)/(s12*s124*s134*z12*z34) - 
   (s23*s34*z2*z4)/(s12^2*s123*z12*z34) - (2*s23*s34*z2*z4)/
    (s12*s123*s134*z12*z34) + (s34*z2*z4)/(s123*s234*z12*z34) - 
   (2*s34*z2*z4)/(s124*s234*z12*z34) + (s13*s34*z2*z4)/
    (s12*s123*s234*z12*z34) - (2*s14*s34*z2*z4)/(s12*s124*s234*z12*z34) + 
   (s23*s34*z2*z4)/(s12*s123*s234*z12*z34) - 
   (s24*s34*z2*z4)/(s12^2*s124*z12*z34) + (s24*s34*z2*z4)/
    (s12*s124*s134*z12*z34) - (2*s24*s34*z2*z4)/(s12*s124*s234*z12*z34) - 
   (z3*z4)/(2*s123*z12*z34) - (3*z3*z4)/(2*s124*z12*z34) + 
   (s13*z3*z4)/(2*s12*s123*z12*z34) - (s13*z3*z4)/(2*s12*s124*z12*z34) - 
   (z3*z4)/(2*s134*z12*z34) + (s14*z3*z4)/(s12*s123*z12*z34) - 
   (s14*z3*z4)/(s12*s124*z12*z34) + (s23*z3*z4)/(2*s12*s123*z12*z34) - 
   (s23*z3*z4)/(2*s12*s124*z12*z34) - (z3*z4)/(2*s234*z12*z34) + 
   (s24*z3*z4)/(s12*s123*z12*z34) - (s24*z3*z4)/(s12*s124*z12*z34) - 
   (3*s12*z3*z4)/(s34^2*z12*z34) - (4*s13*z3*z4)/(s34^2*z12*z34) - 
   (s13^2*z3*z4)/(s12*s34^2*z12*z34) - (s12*s13*z3*z4)/
    (4*s134*s34^2*z12*z34) - (s13^2*z3*z4)/(4*s134*s34^2*z12*z34) - 
   (4*s14*z3*z4)/(s34^2*z12*z34) - (2*s13*s14*z3*z4)/(s12*s34^2*z12*z34) - 
   (s12*s14*z3*z4)/(4*s134*s34^2*z12*z34) - (s13*s14*z3*z4)/
    (2*s134*s34^2*z12*z34) - (s14^2*z3*z4)/(s12*s34^2*z12*z34) - 
   (s14^2*z3*z4)/(4*s134*s34^2*z12*z34) - (4*s23*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s23*z3*z4)/(s12*s34^2*z12*z34) - (3*s12*s23*z3*z4)/
    (4*s134*s34^2*z12*z34) - (5*s13*s23*z3*z4)/(4*s134*s34^2*z12*z34) - 
   (s13^2*s23*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (2*s14*s23*z3*z4)/(s12*s34^2*z12*z34) - (5*s14*s23*z3*z4)/
    (4*s134*s34^2*z12*z34) - (s13*s14*s23*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^2*s23*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s23^2*z3*z4)/(s12*s34^2*z12*z34) - (s23^2*z3*z4)/(s134*s34^2*z12*z34) - 
   (s13*s23^2*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s23^2*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s23^3*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s12*s13*z3*z4)/(4*s234*s34^2*z12*z34) - 
   (s13^2*z3*z4)/(4*s234*s34^2*z12*z34) - (s12*s14*z3*z4)/
    (4*s234*s34^2*z12*z34) - (s13*s14*z3*z4)/(2*s234*s34^2*z12*z34) - 
   (s14^2*z3*z4)/(4*s234*s34^2*z12*z34) + (s12*s23*z3*z4)/
    (4*s234*s34^2*z12*z34) + (s13*s23*z3*z4)/(4*s234*s34^2*z12*z34) + 
   (s13^2*s23*z3*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s14*s23*z3*z4)/(4*s234*s34^2*z12*z34) + (s13*s14*s23*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s23*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) + (s23^2*z3*z4)/(2*s234*s34^2*z12*z34) + 
   (s13*s23^2*z3*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s23^2*z3*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s23^3*z3*z4)/(4*s12*s234*s34^2*z12*z34) - (4*s24*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s24*z3*z4)/(s12*s34^2*z12*z34) - (3*s12*s24*z3*z4)/
    (4*s134*s34^2*z12*z34) - (5*s13*s24*z3*z4)/(4*s134*s34^2*z12*z34) - 
   (s13^2*s24*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (2*s14*s24*z3*z4)/(s12*s34^2*z12*z34) - (5*s14*s24*z3*z4)/
    (4*s134*s34^2*z12*z34) - (s13*s14*s24*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^2*s24*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (2*s23*s24*z3*z4)/(s12*s34^2*z12*z34) - (2*s23*s24*z3*z4)/
    (s134*s34^2*z12*z34) - (s13*s23*s24*z3*z4)/(s12*s134*s34^2*z12*z34) - 
   (s14*s23*s24*z3*z4)/(s12*s134*s34^2*z12*z34) - 
   (3*s23^2*s24*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s12*s24*z3*z4)/(4*s234*s34^2*z12*z34) + (s13*s24*z3*z4)/
    (4*s234*s34^2*z12*z34) + (s13^2*s24*z3*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s14*s24*z3*z4)/(4*s234*s34^2*z12*z34) + (s13*s14*s24*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s24*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) + (s23*s24*z3*z4)/(s234*s34^2*z12*z34) + 
   (s13*s23*s24*z3*z4)/(s12*s234*s34^2*z12*z34) + 
   (s14*s23*s24*z3*z4)/(s12*s234*s34^2*z12*z34) + 
   (3*s23^2*s24*z3*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (s24^2*z3*z4)/(s12*s34^2*z12*z34) - (s24^2*z3*z4)/(s134*s34^2*z12*z34) - 
   (s13*s24^2*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s24^2*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (3*s23*s24^2*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s24^2*z3*z4)/(2*s234*s34^2*z12*z34) + (s13*s24^2*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s24^2*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) + (3*s23*s24^2*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s24^3*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s24^3*z3*z4)/(4*s12*s234*s34^2*z12*z34) - (3*z3*z4)/(s34*z12*z34) - 
   (3*s12*z3*z4)/(2*s123*s34*z12*z34) - (3*s12*z3*z4)/(2*s124*s34*z12*z34) - 
   (s13*z3*z4)/(s12*s34*z12*z34) - (2*s13*z3*z4)/(s123*s34*z12*z34) - 
   (2*s13*z3*z4)/(s124*s34*z12*z34) - (s13^2*z3*z4)/
    (2*s12*s123*s34*z12*z34) - (s13^2*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s12*z3*z4)/(2*s134*s34*z12*z34) - (3*s13*z3*z4)/(4*s134*s34*z12*z34) - 
   (s14*z3*z4)/(s12*s34*z12*z34) - (3*s14*z3*z4)/(2*s123*s34*z12*z34) - 
   (5*s14*z3*z4)/(2*s124*s34*z12*z34) - (s13*s14*z3*z4)/
    (2*s12*s123*s34*z12*z34) - (3*s13*s14*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (3*s14*z3*z4)/(4*s134*s34*z12*z34) - (s14^2*z3*z4)/
    (s12*s124*s34*z12*z34) - (s23*z3*z4)/(s12*s34*z12*z34) - 
   (2*s23*z3*z4)/(s123*s34*z12*z34) - (2*s23*z3*z4)/(s124*s34*z12*z34) - 
   (s13*s23*z3*z4)/(s12*s123*s34*z12*z34) - (s13*s23*z3*z4)/
    (s12*s124*s34*z12*z34) - (5*s23*z3*z4)/(4*s134*s34*z12*z34) - 
   (s13*s23*z3*z4)/(4*s12*s134*s34*z12*z34) - 
   (s14*s23*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (3*s14*s23*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s14*s23*z3*z4)/(4*s12*s134*s34*z12*z34) - 
   (s23^2*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s23^2*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s23^2*z3*z4)/(4*s12*s134*s34*z12*z34) - 
   (s12*z3*z4)/(2*s234*s34*z12*z34) - (3*s13*z3*z4)/(4*s234*s34*z12*z34) - 
   (3*s14*z3*z4)/(4*s234*s34*z12*z34) - (s23*z3*z4)/(4*s234*s34*z12*z34) + 
   (s13*s23*z3*z4)/(4*s12*s234*s34*z12*z34) + 
   (s14*s23*z3*z4)/(4*s12*s234*s34*z12*z34) + 
   (s23^2*z3*z4)/(4*s12*s234*s34*z12*z34) - (s24*z3*z4)/(s12*s34*z12*z34) - 
   (3*s24*z3*z4)/(2*s123*s34*z12*z34) - (5*s24*z3*z4)/(2*s124*s34*z12*z34) - 
   (s13*s24*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (3*s13*s24*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (5*s24*z3*z4)/(4*s134*s34*z12*z34) - (s13*s24*z3*z4)/
    (4*s12*s134*s34*z12*z34) - (2*s14*s24*z3*z4)/(s12*s124*s34*z12*z34) - 
   (s14*s24*z3*z4)/(4*s12*s134*s34*z12*z34) - 
   (s23*s24*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (3*s23*s24*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s23*s24*z3*z4)/(2*s12*s134*s34*z12*z34) - 
   (s24*z3*z4)/(4*s234*s34*z12*z34) + (s13*s24*z3*z4)/
    (4*s12*s234*s34*z12*z34) + (s14*s24*z3*z4)/(4*s12*s234*s34*z12*z34) + 
   (s23*s24*z3*z4)/(2*s12*s234*s34*z12*z34) - 
   (s24^2*z3*z4)/(s12*s124*s34*z12*z34) - 
   (s24^2*z3*z4)/(4*s12*s134*s34*z12*z34) + 
   (s24^2*z3*z4)/(4*s12*s234*s34*z12*z34) + (s34*z3*z4)/(s12*s123*z12*z34) - 
   (2*z3*z4^2)/(s12*z12*z34^2) + (2*s12*z3*z4^2)/(s34^2*z12*z34^2) + 
   (2*s13*z3*z4^2)/(s34^2*z12*z34^2) + (2*s14*z3*z4^2)/(s34^2*z12*z34^2) + 
   (2*s23*z3*z4^2)/(s34^2*z12*z34^2) + (2*s24*z3*z4^2)/(s34^2*z12*z34^2) - 
   (2*s13*z3*z4^2)/(s12*s34*z12*z34^2) - (2*s14*z3*z4^2)/
    (s12*s34*z12*z34^2) - (2*s23*z3*z4^2)/(s12*s34*z12*z34^2) - 
   (2*s24*z3*z4^2)/(s12*s34*z12*z34^2) + (2*z4^2)/(s12*z12*z34) - 
   z4^2/(2*s123*z12*z34) + z4^2/(2*s124*z12*z34) - 
   (s13*z4^2)/(2*s12*s123*z12*z34) + (3*s13*z4^2)/(2*s12*s124*z12*z34) + 
   z4^2/(2*s134*z12*z34) + (s14*z4^2)/(s12*s124*z12*z34) - 
   (s23*z4^2)/(2*s12*s123*z12*z34) + (3*s23*z4^2)/(2*s12*s124*z12*z34) + 
   z4^2/(2*s234*z12*z34) + (s24*z4^2)/(s12*s124*z12*z34) - 
   (s12*z4^2)/(s34^2*z12*z34) + (s13^2*z4^2)/(s12*s34^2*z12*z34) + 
   (s12*s13*z4^2)/(4*s134*s34^2*z12*z34) + 
   (s13^2*z4^2)/(4*s134*s34^2*z12*z34) - (s14*z4^2)/(s34^2*z12*z34) + 
   (s13*s14*z4^2)/(s12*s34^2*z12*z34) + (s12*s14*z4^2)/
    (4*s134*s34^2*z12*z34) + (s13*s14*z4^2)/(2*s134*s34^2*z12*z34) + 
   (s14^2*z4^2)/(4*s134*s34^2*z12*z34) + (2*s13*s23*z4^2)/
    (s12*s34^2*z12*z34) + (3*s12*s23*z4^2)/(4*s134*s34^2*z12*z34) + 
   (5*s13*s23*z4^2)/(4*s134*s34^2*z12*z34) + (s13^2*s23*z4^2)/
    (4*s12*s134*s34^2*z12*z34) + (s14*s23*z4^2)/(s12*s34^2*z12*z34) + 
   (5*s14*s23*z4^2)/(4*s134*s34^2*z12*z34) + (s13*s14*s23*z4^2)/
    (2*s12*s134*s34^2*z12*z34) + (s14^2*s23*z4^2)/
    (4*s12*s134*s34^2*z12*z34) + (s23^2*z4^2)/(s12*s34^2*z12*z34) + 
   (s23^2*z4^2)/(s134*s34^2*z12*z34) + (s13*s23^2*z4^2)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s23^2*z4^2)/
    (2*s12*s134*s34^2*z12*z34) + (s23^3*z4^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s12*s13*z4^2)/(4*s234*s34^2*z12*z34) + 
   (s13^2*z4^2)/(4*s234*s34^2*z12*z34) + (s12*s14*z4^2)/
    (4*s234*s34^2*z12*z34) + (s13*s14*z4^2)/(2*s234*s34^2*z12*z34) + 
   (s14^2*z4^2)/(4*s234*s34^2*z12*z34) - (s12*s23*z4^2)/
    (4*s234*s34^2*z12*z34) - (s13*s23*z4^2)/(4*s234*s34^2*z12*z34) - 
   (s13^2*s23*z4^2)/(4*s12*s234*s34^2*z12*z34) - 
   (s14*s23*z4^2)/(4*s234*s34^2*z12*z34) - (s13*s14*s23*z4^2)/
    (2*s12*s234*s34^2*z12*z34) - (s14^2*s23*z4^2)/
    (4*s12*s234*s34^2*z12*z34) - (s23^2*z4^2)/(2*s234*s34^2*z12*z34) - 
   (s13*s23^2*z4^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s14*s23^2*z4^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s23^3*z4^2)/(4*s12*s234*s34^2*z12*z34) - (s24*z4^2)/(s34^2*z12*z34) + 
   (s13*s24*z4^2)/(s12*s34^2*z12*z34) + (s12*s24*z4^2)/
    (4*s134*s34^2*z12*z34) + (s13*s24*z4^2)/(2*s134*s34^2*z12*z34) + 
   (s14*s24*z4^2)/(2*s134*s34^2*z12*z34) + 
   (s23*s24*z4^2)/(s12*s34^2*z12*z34) + (5*s23*s24*z4^2)/
    (4*s134*s34^2*z12*z34) + (s13*s23*s24*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23*s24*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s23^2*s24*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s12*s24*z4^2)/(4*s234*s34^2*z12*z34) + 
   (s13*s24*z4^2)/(2*s234*s34^2*z12*z34) + 
   (s14*s24*z4^2)/(2*s234*s34^2*z12*z34) - 
   (s23*s24*z4^2)/(4*s234*s34^2*z12*z34) - (s13*s23*s24*z4^2)/
    (2*s12*s234*s34^2*z12*z34) - (s14*s23*s24*z4^2)/
    (2*s12*s234*s34^2*z12*z34) - (s23^2*s24*z4^2)/
    (2*s12*s234*s34^2*z12*z34) + (s24^2*z4^2)/(4*s134*s34^2*z12*z34) + 
   (s23*s24^2*z4^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s24^2*z4^2)/(4*s234*s34^2*z12*z34) - (s23*s24^2*z4^2)/
    (4*s12*s234*s34^2*z12*z34) + z4^2/(s34*z12*z34) - 
   (s12*z4^2)/(2*s123*s34*z12*z34) - (s12*z4^2)/(2*s124*s34*z12*z34) + 
   (3*s13*z4^2)/(s12*s34*z12*z34) - (s13*z4^2)/(s123*s34*z12*z34) - 
   (s13^2*z4^2)/(2*s12*s123*s34*z12*z34) + 
   (s13^2*z4^2)/(2*s12*s124*s34*z12*z34) + (s12*z4^2)/(2*s134*s34*z12*z34) + 
   (3*s13*z4^2)/(4*s134*s34*z12*z34) + (2*s14*z4^2)/(s12*s34*z12*z34) - 
   (s14*z4^2)/(2*s123*s34*z12*z34) - (s14*z4^2)/(2*s124*s34*z12*z34) - 
   (s13*s14*z4^2)/(2*s12*s123*s34*z12*z34) + 
   (s13*s14*z4^2)/(2*s12*s124*s34*z12*z34) + 
   (3*s14*z4^2)/(4*s134*s34*z12*z34) + (3*s23*z4^2)/(s12*s34*z12*z34) - 
   (s23*z4^2)/(s123*s34*z12*z34) - (s13*s23*z4^2)/(s12*s123*s34*z12*z34) + 
   (s13*s23*z4^2)/(s12*s124*s34*z12*z34) + 
   (5*s23*z4^2)/(4*s134*s34*z12*z34) + (s13*s23*z4^2)/
    (4*s12*s134*s34*z12*z34) - (s14*s23*z4^2)/(2*s12*s123*s34*z12*z34) + 
   (s14*s23*z4^2)/(2*s12*s124*s34*z12*z34) + 
   (s14*s23*z4^2)/(4*s12*s134*s34*z12*z34) - 
   (s23^2*z4^2)/(2*s12*s123*s34*z12*z34) + 
   (s23^2*z4^2)/(2*s12*s124*s34*z12*z34) + 
   (s23^2*z4^2)/(4*s12*s134*s34*z12*z34) + (s12*z4^2)/(2*s234*s34*z12*z34) + 
   (3*s13*z4^2)/(4*s234*s34*z12*z34) + (3*s14*z4^2)/(4*s234*s34*z12*z34) + 
   (s23*z4^2)/(4*s234*s34*z12*z34) - (s13*s23*z4^2)/
    (4*s12*s234*s34*z12*z34) - (s14*s23*z4^2)/(4*s12*s234*s34*z12*z34) - 
   (s23^2*z4^2)/(4*s12*s234*s34*z12*z34) + (2*s24*z4^2)/(s12*s34*z12*z34) - 
   (s24*z4^2)/(2*s123*s34*z12*z34) - (s24*z4^2)/(2*s124*s34*z12*z34) - 
   (s13*s24*z4^2)/(2*s12*s123*s34*z12*z34) + 
   (s13*s24*z4^2)/(2*s12*s124*s34*z12*z34) + 
   (3*s24*z4^2)/(4*s134*s34*z12*z34) - (s23*s24*z4^2)/
    (2*s12*s123*s34*z12*z34) + (s23*s24*z4^2)/(2*s12*s124*s34*z12*z34) + 
   (s23*s24*z4^2)/(4*s12*s134*s34*z12*z34) + 
   (3*s24*z4^2)/(4*s234*s34*z12*z34) - (s23*s24*z4^2)/
    (4*s12*s234*s34*z12*z34) + (s34*z4^2)/(s12*s124*z12*z34)) + 
 k3k1*(-D/(2*s12) - D/(4*s123) - D/(4*s124) - (D*s13)/(4*s12*s123) - 
   (D*s13)/(4*s12*s124) - D/(4*s134) - (D*s12)/(2*s123*s134) - 
   s12/(s124*s134) + (D*s12)/(4*s124*s134) - (D*s13)/(2*s123*s134) - 
   s13/(s124*s134) + (D*s13)/(4*s124*s134) + s14/(s12*s123) - 
   (D*s14)/(2*s12*s123) + s14/(2*s12*s124) + (2*s14)/(s123*s124) - 
   (D*s14)/(2*s123*s124) + (2*s13*s14)/(s12*s123*s124) - 
   (D*s13*s14)/(2*s12*s123*s124) - (D*s14)/(2*s123*s134) - 
   (2*s14)/(s124*s134) + (D*s14)/(4*s124*s134) + (2*s14^2)/(s12*s123*s124) - 
   (D*s14^2)/(2*s12*s123*s124) + s23/s12^2 + s23/(2*s12*s123) - 
   (D*s23)/(4*s12*s123) - (D*s23)/(4*s12*s124) + (s13*s23)/(2*s12^2*s123) + 
   s23/(s12*s134) - (D*s23)/(4*s12*s134) - (D*s23)/(2*s123*s134) - 
   s23/(s124*s134) + (D*s23)/(4*s124*s134) - (s14*s23)/(2*s12^2*s124) + 
   (2*s14*s23)/(s12*s123*s124) - (D*s14*s23)/(2*s12*s123*s124) - 
   (D*s14*s23)/(2*s12*s123*s134) + (s14*s23)/(s12*s124*s134) - 
   (D*s14*s23)/(4*s12*s124*s134) + s23^2/(2*s12^2*s123) - D/(4*s234) - 
   s12/(s123*s234) + (D*s12)/(4*s123*s234) - (D*s12)/(2*s124*s234) - 
   s13/(s123*s234) + (D*s13)/(4*s123*s234) - (D*s13)/(2*s124*s234) - 
   s12/(s134*s234) - s14/(s123*s234) + (D*s14)/(4*s123*s234) - 
   (D*s14)/(2*s124*s234) + s23/(2*s12*s234) + (D*s23)/(4*s12*s234) - 
   (2*s23)/(s123*s234) + (D*s23)/(4*s123*s234) - (D*s23)/(2*s124*s234) - 
   (s13*s23)/(s12*s123*s234) + (2*s23)/(s134*s234) - (D*s23)/(2*s134*s234) - 
   (D*s14*s23)/(4*s12*s123*s234) - (D*s14*s23)/(2*s12*s124*s234) - 
   s23^2/(s12*s123*s234) + s24/s12^2 + (2*s24)/(s12*s123) - 
   (D*s24)/(2*s12*s123) + (3*s24)/(s123*s124) - (D*s24)/(2*s123*s124) + 
   (3*s13*s24)/(2*s12^2*s124) + (4*s13*s24)/(s12*s123*s124) - 
   (D*s13*s24)/(2*s12*s123*s124) + (s13^2*s24)/(s12^2*s123*s124) + 
   (2*s24)/(s12*s134) - (D*s24)/(4*s12*s134) - (D*s24)/(2*s123*s134) - 
   (2*s24)/(s124*s134) + (D*s24)/(4*s124*s134) - 
   (2*s13*s24)/(s12*s123*s134) - (s13*s24)/(s12*s124*s134) + 
   (3*s14*s24)/(2*s12^2*s124) + (5*s14*s24)/(s12*s123*s124) - 
   (D*s14*s24)/(s12*s123*s124) + (s13*s14*s24)/(s12^2*s123*s124) + 
   (2*s14*s24)/(s12*s123*s134) - (D*s14*s24)/(2*s12*s123*s134) - 
   (D*s14*s24)/(4*s12*s124*s134) + (2*s23*s24)/(s12*s123*s124) - 
   (D*s23*s24)/(2*s12*s123*s124) + (2*s23*s24)/(s12*s123*s134) - 
   (D*s23*s24)/(2*s12*s123*s134) - (D*s23*s24)/(4*s12*s124*s134) - 
   (s14*s23*s24)/(s12^2*s123*s124) - (s23^2*s24)/(s12^2*s123*s124) - 
   s24/(2*s12*s234) + (D*s24)/(4*s12*s234) - (2*s24)/(s123*s234) + 
   (D*s24)/(4*s123*s234) - (D*s24)/(2*s124*s234) + 
   (2*s13*s24)/(s12*s124*s234) + (3*s24)/(s134*s234) - 
   (D*s24)/(2*s134*s234) + (s14*s24)/(s12*s123*s234) - 
   (D*s14*s24)/(4*s12*s123*s234) + (2*s14*s24)/(s12*s124*s234) - 
   (D*s14*s24)/(2*s12*s124*s234) - (D*s23*s24)/(4*s12*s123*s234) + 
   (2*s23*s24)/(s12*s124*s234) - (D*s23*s24)/(2*s12*s124*s234) - 
   (3*s24^2)/(2*s12^2*s124) + (3*s24^2)/(s12*s123*s124) - 
   (D*s24^2)/(2*s12*s123*s124) + (s13*s24^2)/(s12^2*s123*s124) + 
   (2*s24^2)/(s12*s123*s134) - (D*s24^2)/(2*s12*s123*s134) - 
   (D*s24^2)/(4*s12*s124*s134) - (s23*s24^2)/(s12^2*s123*s124) + 
   s24^2/(s12*s123*s234) - (D*s24^2)/(4*s12*s123*s234) - 
   (2*s24^2)/(s12*s124*s234) - (D*s24^2)/(2*s12*s124*s234) + s14/s34^2 + 
   (s13*s14)/(s12*s34^2) + (s12*s14)/(2*s134*s34^2) + 
   (s13*s14)/(2*s134*s34^2) + s14^2/(s12*s34^2) + s14^2/(2*s134*s34^2) - 
   (s13*s14*s23)/(s12^2*s34^2) - (s13*s14*s23)/(2*s12*s134*s34^2) - 
   (s14^2*s23)/(s12^2*s34^2) - (s14^2*s23)/(2*s12*s134*s34^2) - 
   (s14*s23^2)/(s12^2*s34^2) - (s14*s23^2)/(2*s12*s134*s34^2) - 
   (s14*s23)/(2*s234*s34^2) - (s13*s14*s23)/(2*s12*s234*s34^2) - 
   (s14^2*s23)/(2*s12*s234*s34^2) - (s14*s23^2)/(2*s12*s234*s34^2) + 
   s24/s34^2 + (2*s13*s24)/(s12*s34^2) + (s13^2*s24)/(s12^2*s34^2) + 
   (2*s14*s24)/(s12*s34^2) + (s13*s14*s24)/(s12^2*s34^2) - 
   (s13*s14*s24)/(2*s12*s134*s34^2) - (s14^2*s24)/(2*s12*s134*s34^2) + 
   (s23*s24)/(s12*s34^2) + (s13*s23*s24)/(s12^2*s34^2) - 
   (s14*s23*s24)/(s12^2*s34^2) - (s14*s23*s24)/(s12*s134*s34^2) + 
   (s12*s24)/(2*s234*s34^2) + (3*s13*s24)/(2*s234*s34^2) + 
   (s13^2*s24)/(s12*s234*s34^2) + (s12*s13*s24)/(s134*s234*s34^2) + 
   (s13^2*s24)/(s134*s234*s34^2) + (s13*s14*s24)/(2*s12*s234*s34^2) - 
   (s12*s14*s24)/(s134*s234*s34^2) - (s14^2*s24)/(2*s12*s234*s34^2) - 
   (s14^2*s24)/(s134*s234*s34^2) + (3*s23*s24)/(2*s234*s34^2) + 
   (2*s13*s23*s24)/(s12*s234*s34^2) + (s13*s23*s24)/(s134*s234*s34^2) - 
   (s14*s23*s24)/(s134*s234*s34^2) + (s23^2*s24)/(s12*s234*s34^2) - 
   s24^2/(s12*s34^2) - (s13*s24^2)/(s12^2*s34^2) - 
   (2*s14*s24^2)/(s12^2*s34^2) - (s14*s24^2)/(2*s12*s134*s34^2) - 
   (2*s23*s24^2)/(s12^2*s34^2) - (3*s24^2)/(2*s234*s34^2) - 
   (s13*s24^2)/(s12*s234*s34^2) + (s13*s24^2)/(s134*s234*s34^2) - 
   (5*s14*s24^2)/(2*s12*s234*s34^2) - (s14*s24^2)/(s134*s234*s34^2) - 
   (s23*s24^2)/(s12*s234*s34^2) - (2*s24^3)/(s12^2*s34^2) - 
   (2*s24^3)/(s12*s234*s34^2) - D/(2*s34) - (D*s13)/(2*s12*s34) - 
   (D*s12)/(4*s134*s34) - (D*s13)/(4*s134*s34) + s14/(s12*s34) - 
   (D*s14)/(2*s12*s34) + s14/(s123*s34) - (D*s14)/(4*s123*s34) + 
   s14/(2*s124*s34) + (D*s14)/(4*s124*s34) + (s13*s14)/(s12*s123*s34) - 
   (D*s13*s14)/(4*s12*s123*s34) + (s13*s14)/(2*s12*s124*s34) + 
   (D*s13*s14)/(4*s12*s124*s34) + s14/(2*s134*s34) - (D*s14)/(4*s134*s34) - 
   (s12*s14)/(s124*s134*s34) - (s13*s14)/(s124*s134*s34) + 
   s14^2/(s12*s123*s34) - (D*s14^2)/(4*s12*s123*s34) + 
   s14^2/(2*s12*s124*s34) + (D*s14^2)/(4*s12*s124*s34) - 
   s14^2/(s124*s134*s34) + s23/(s12*s34) - (D*s23)/(2*s12*s34) + 
   (s13*s23)/(s12^2*s34) + s23/(s134*s34) - (D*s23)/(2*s134*s34) + 
   (s13*s23)/(s12*s134*s34) - (D*s13*s23)/(4*s12*s134*s34) + 
   (s14*s23)/(2*s12*s123*s34) - (D*s14*s23)/(4*s12*s123*s34) + 
   (D*s14*s23)/(4*s12*s124*s34) - (s13*s14*s23)/(2*s12^2*s123*s34) - 
   (s13*s14*s23)/(2*s12^2*s124*s34) + (s14*s23)/(2*s12*s134*s34) - 
   (D*s14*s23)/(4*s12*s134*s34) - (D*s14*s23)/(2*s123*s134*s34) - 
   (D*s14*s23)/(4*s124*s134*s34) - (D*s13*s14*s23)/(2*s12*s123*s134*s34) + 
   (s13*s14*s23)/(s12*s124*s134*s34) - (D*s13*s14*s23)/
    (4*s12*s124*s134*s34) - (s14^2*s23)/(2*s12^2*s123*s34) - 
   (s14^2*s23)/(2*s12^2*s124*s34) - (D*s14^2*s23)/(2*s12*s123*s134*s34) + 
   (s14^2*s23)/(s12*s124*s134*s34) - (D*s14^2*s23)/(4*s12*s124*s134*s34) + 
   s23^2/(s12^2*s34) + s23^2/(s12*s134*s34) - (D*s23^2)/(4*s12*s134*s34) - 
   (s14*s23^2)/(2*s12^2*s123*s34) - (s14*s23^2)/(2*s12^2*s124*s34) - 
   (D*s14*s23^2)/(2*s12*s123*s134*s34) + (s14*s23^2)/(s12*s124*s134*s34) - 
   (D*s14*s23^2)/(4*s12*s124*s134*s34) - (D*s12)/(4*s234*s34) - 
   (D*s13)/(4*s234*s34) - s12^2/(s134*s234*s34) - (s12*s13)/(s134*s234*s34) - 
   (D*s14)/(4*s234*s34) - (s12*s14)/(s134*s234*s34) + s23/(2*s234*s34) + 
   (s13*s23)/(2*s12*s234*s34) + (D*s13*s23)/(4*s12*s234*s34) + 
   (s12*s23)/(s134*s234*s34) - (D*s12*s23)/(2*s134*s234*s34) + 
   (2*s13*s23)/(s134*s234*s34) - (D*s13*s23)/(2*s134*s234*s34) + 
   (D*s14*s23)/(4*s12*s234*s34) + (s14*s23)/(s123*s234*s34) - 
   (D*s14*s23)/(4*s123*s234*s34) - (D*s14*s23)/(2*s124*s234*s34) + 
   (s13*s14*s23)/(s12*s123*s234*s34) - (D*s13*s14*s23)/
    (4*s12*s123*s234*s34) - (D*s13*s14*s23)/(2*s12*s124*s234*s34) + 
   (2*s14*s23)/(s134*s234*s34) - (D*s14*s23)/(2*s134*s234*s34) + 
   (s14^2*s23)/(s12*s123*s234*s34) - (D*s14^2*s23)/(4*s12*s123*s234*s34) - 
   (D*s14^2*s23)/(2*s12*s124*s234*s34) + s23^2/(2*s12*s234*s34) + 
   (D*s23^2)/(4*s12*s234*s34) + (2*s23^2)/(s134*s234*s34) - 
   (D*s23^2)/(2*s134*s234*s34) + (s14*s23^2)/(s12*s123*s234*s34) - 
   (D*s14*s23^2)/(4*s12*s123*s234*s34) - (D*s14*s23^2)/
    (2*s12*s124*s234*s34) + (2*s24)/(s12*s34) - (D*s24)/(2*s12*s34) + 
   (2*s24)/(s123*s34) - (D*s24)/(4*s123*s34) - s24/(2*s124*s34) + 
   (D*s24)/(4*s124*s34) + (2*s13*s24)/(s12^2*s34) + 
   (2*s13*s24)/(s12*s123*s34) - (D*s13*s24)/(4*s12*s123*s34) + 
   (s13*s24)/(2*s12*s124*s34) + (D*s13*s24)/(4*s12*s124*s34) + 
   (s13^2*s24)/(s12^2*s124*s34) + (2*s24)/(s134*s34) - (D*s24)/(2*s134*s34) + 
   (2*s13*s24)/(s12*s134*s34) - (D*s13*s24)/(4*s12*s134*s34) - 
   (2*s13*s24)/(s123*s134*s34) - (2*s13^2*s24)/(s12*s123*s134*s34) + 
   (s14*s24)/(s12^2*s34) + (3*s14*s24)/(s12*s123*s34) - 
   (D*s14*s24)/(2*s12*s123*s34) + (s14*s24)/(s12*s124*s34) + 
   (D*s14*s24)/(2*s12*s124*s34) + (2*s13*s14*s24)/(s12^2*s124*s34) + 
   (3*s14*s24)/(2*s12*s134*s34) - (D*s14*s24)/(4*s12*s134*s34) + 
   (2*s14*s24)/(s123*s134*s34) - (D*s14*s24)/(2*s123*s134*s34) - 
   (D*s14*s24)/(4*s124*s134*s34) - (D*s13*s14*s24)/(2*s12*s123*s134*s34) + 
   (s13*s14*s24)/(s12*s124*s134*s34) - (D*s13*s14*s24)/
    (4*s12*s124*s134*s34) + (s14^2*s24)/(s12^2*s124*s34) + 
   (2*s14^2*s24)/(s12*s123*s134*s34) - (D*s14^2*s24)/(2*s12*s123*s134*s34) + 
   (s14^2*s24)/(s12*s124*s134*s34) - (D*s14^2*s24)/(4*s12*s124*s134*s34) + 
   (2*s23*s24)/(s12^2*s34) + (3*s23*s24)/(2*s12*s123*s34) - 
   (D*s23*s24)/(4*s12*s123*s34) - (s23*s24)/(s12*s124*s34) + 
   (D*s23*s24)/(4*s12*s124*s34) - (s13*s23*s24)/(2*s12^2*s123*s34) + 
   (s13*s23*s24)/(2*s12^2*s124*s34) + (3*s23*s24)/(s12*s134*s34) - 
   (D*s23*s24)/(2*s12*s134*s34) + (2*s23*s24)/(s123*s134*s34) - 
   (D*s23*s24)/(2*s123*s134*s34) + (s23*s24)/(s124*s134*s34) - 
   (D*s23*s24)/(4*s124*s134*s34) - (D*s13*s23*s24)/(2*s12*s123*s134*s34) + 
   (s13*s23*s24)/(s12*s124*s134*s34) - (D*s13*s23*s24)/
    (4*s12*s124*s134*s34) - (s14*s23*s24)/(s12^2*s123*s34) + 
   (4*s14*s23*s24)/(s12*s123*s134*s34) - (3*D*s14*s23*s24)/
    (2*s12*s123*s134*s34) + (3*s14*s23*s24)/(s12*s124*s134*s34) - 
   (3*D*s14*s23*s24)/(4*s12*s124*s134*s34) - (s23^2*s24)/(2*s12^2*s123*s34) - 
   (s23^2*s24)/(2*s12^2*s124*s34) + (2*s23^2*s24)/(s12*s123*s134*s34) - 
   (D*s23^2*s24)/(2*s12*s123*s134*s34) + (s23^2*s24)/(s12*s124*s134*s34) - 
   (D*s23^2*s24)/(4*s12*s124*s134*s34) - (s12*s24)/(s123*s234*s34) + 
   (s13*s24)/(2*s12*s234*s34) + (D*s13*s24)/(4*s12*s234*s34) - 
   (s13*s24)/(s123*s234*s34) + (2*s13*s24)/(s124*s234*s34) + 
   (2*s13^2*s24)/(s12*s124*s234*s34) + (2*s12*s24)/(s134*s234*s34) - 
   (D*s12*s24)/(2*s134*s234*s34) + (4*s13*s24)/(s134*s234*s34) - 
   (D*s13*s24)/(2*s134*s234*s34) - (s14*s24)/(s12*s234*s34) + 
   (D*s14*s24)/(4*s12*s234*s34) - (D*s14*s24)/(4*s123*s234*s34) + 
   (2*s14*s24)/(s124*s234*s34) - (D*s14*s24)/(2*s124*s234*s34) + 
   (s13*s14*s24)/(s12*s123*s234*s34) - (D*s13*s14*s24)/
    (4*s12*s123*s234*s34) + (4*s13*s14*s24)/(s12*s124*s234*s34) - 
   (D*s13*s14*s24)/(2*s12*s124*s234*s34) + (2*s14*s24)/(s134*s234*s34) - 
   (D*s14*s24)/(2*s134*s234*s34) + (s14^2*s24)/(s12*s123*s234*s34) - 
   (D*s14^2*s24)/(4*s12*s123*s234*s34) + (2*s14^2*s24)/(s12*s124*s234*s34) - 
   (D*s14^2*s24)/(2*s12*s124*s234*s34) + (s23*s24)/(s12*s234*s34) + 
   (D*s23*s24)/(2*s12*s234*s34) - (D*s23*s24)/(4*s123*s234*s34) + 
   (2*s23*s24)/(s124*s234*s34) - (D*s23*s24)/(2*s124*s234*s34) + 
   (s13*s23*s24)/(s12*s123*s234*s34) - (D*s13*s23*s24)/
    (4*s12*s123*s234*s34) + (4*s13*s23*s24)/(s12*s124*s234*s34) - 
   (D*s13*s23*s24)/(2*s12*s124*s234*s34) + (5*s23*s24)/(s134*s234*s34) - 
   (D*s23*s24)/(s134*s234*s34) + (3*s14*s23*s24)/(s12*s123*s234*s34) - 
   (3*D*s14*s23*s24)/(4*s12*s123*s234*s34) + 
   (4*s14*s23*s24)/(s12*s124*s234*s34) - (3*D*s14*s23*s24)/
    (2*s12*s124*s234*s34) + (s23^2*s24)/(s12*s123*s234*s34) - 
   (D*s23^2*s24)/(4*s12*s123*s234*s34) + (2*s23^2*s24)/(s12*s124*s234*s34) - 
   (D*s23^2*s24)/(2*s12*s124*s234*s34) - s24^2/(s12^2*s34) + 
   (2*s24^2)/(s12*s123*s34) - (D*s24^2)/(4*s12*s123*s34) - 
   (5*s24^2)/(2*s12*s124*s34) + (D*s24^2)/(4*s12*s124*s34) - 
   (s13*s24^2)/(s12^2*s124*s34) + (2*s24^2)/(s12*s134*s34) - 
   (D*s24^2)/(4*s12*s134*s34) + (2*s24^2)/(s123*s134*s34) - 
   (D*s24^2)/(2*s123*s134*s34) + s24^2/(s124*s134*s34) - 
   (D*s24^2)/(4*s124*s134*s34) - (D*s13*s24^2)/(2*s12*s123*s134*s34) + 
   (s13*s24^2)/(s12*s124*s134*s34) - (D*s13*s24^2)/(4*s12*s124*s134*s34) - 
   (s14*s24^2)/(s12^2*s124*s34) + (4*s14*s24^2)/(s12*s123*s134*s34) - 
   (D*s14*s24^2)/(s12*s123*s134*s34) + (2*s14*s24^2)/(s12*s124*s134*s34) - 
   (D*s14*s24^2)/(2*s12*s124*s134*s34) - (s23*s24^2)/(2*s12^2*s123*s34) - 
   (5*s23*s24^2)/(2*s12^2*s124*s34) + (4*s23*s24^2)/(s12*s123*s134*s34) - 
   (D*s23*s24^2)/(s12*s123*s134*s34) + (2*s23*s24^2)/(s12*s124*s134*s34) - 
   (D*s23*s24^2)/(2*s12*s124*s134*s34) - (5*s24^2)/(2*s12*s234*s34) + 
   (D*s24^2)/(4*s12*s234*s34) - (D*s24^2)/(4*s123*s234*s34) - 
   (2*s24^2)/(s124*s234*s34) - (D*s24^2)/(2*s124*s234*s34) + 
   (s13*s24^2)/(s12*s123*s234*s34) - (D*s13*s24^2)/(4*s12*s123*s234*s34) - 
   (D*s13*s24^2)/(2*s12*s124*s234*s34) + (3*s24^2)/(s134*s234*s34) - 
   (D*s24^2)/(2*s134*s234*s34) + (2*s14*s24^2)/(s12*s123*s234*s34) - 
   (D*s14*s24^2)/(2*s12*s123*s234*s34) - (D*s14*s24^2)/(s12*s124*s234*s34) + 
   (2*s23*s24^2)/(s12*s123*s234*s34) - (D*s23*s24^2)/(2*s12*s123*s234*s34) - 
   (D*s23*s24^2)/(s12*s124*s234*s34) - (2*s24^3)/(s12^2*s124*s34) + 
   (2*s24^3)/(s12*s123*s134*s34) - (D*s24^3)/(2*s12*s123*s134*s34) + 
   s24^3/(s12*s124*s134*s34) - (D*s24^3)/(4*s12*s124*s134*s34) + 
   s24^3/(s12*s123*s234*s34) - (D*s24^3)/(4*s12*s123*s234*s34) - 
   (2*s24^3)/(s12*s124*s234*s34) - (D*s24^3)/(2*s12*s124*s234*s34) - 
   (D*s34)/(4*s12*s123) - (D*s34)/(4*s12*s124) - s34/(s123*s124) - 
   (s13*s34)/(s12*s123*s124) - (D*s34)/(2*s123*s134) - s34/(s124*s134) + 
   (D*s34)/(4*s124*s134) + (s14*s34)/(s12*s123*s124) - 
   (D*s14*s34)/(2*s12*s123*s124) + (s23*s34)/(2*s12^2*s123) - 
   (s23*s34)/(s12*s123*s124) - s34/(s123*s234) + (D*s34)/(4*s123*s234) - 
   (D*s34)/(2*s124*s234) - (s23*s34)/(s12*s123*s234) + 
   (s24*s34)/(2*s12^2*s124) + (2*s24*s34)/(s12*s123*s124) - 
   (D*s24*s34)/(2*s12*s123*s124) + (s13*s24*s34)/(s12^2*s123*s124) - 
   (s24*s34)/(s12*s124*s134) - (s23*s24*s34)/(s12^2*s123*s124) - 
   s34^2/(s12*s123*s124) - (s23*z1)/(s12^2*z12) - (s23*z1)/(2*s12*s123*z12) - 
   (s13*s23*z1)/(2*s12^2*s123*z12) + (s14*s23*z1)/(2*s12^2*s124*z12) - 
   (s23^2*z1)/(2*s12^2*s123*z12) - (s23*z1)/(2*s12*s234*z12) - 
   (s24*z1)/(s12^2*z12) - (s24*z1)/(s12*s123*z12) - 
   (3*s24*z1)/(2*s12*s124*z12) - (s24*z1)/(s123*s124*z12) - 
   (3*s13*s24*z1)/(2*s12^2*s124*z12) - (2*s13*s24*z1)/(s12*s123*s124*z12) - 
   (s13^2*s24*z1)/(s12^2*s123*s124*z12) - (3*s14*s24*z1)/(2*s12^2*s124*z12) - 
   (s14*s24*z1)/(s12*s123*s124*z12) - (s13*s14*s24*z1)/
    (s12^2*s123*s124*z12) - (s23*s24*z1)/(s12^2*s124*z12) - 
   (2*s23*s24*z1)/(s12*s123*s124*z12) - (2*s13*s23*s24*z1)/
    (s12^2*s123*s124*z12) - (s14*s23*s24*z1)/(s12^2*s123*s124*z12) - 
   (s23^2*s24*z1)/(s12^2*s123*s124*z12) - (s24*z1)/(2*s12*s234*z12) - 
   (3*s24^2*z1)/(2*s12^2*s124*z12) - (s24^2*z1)/(s12*s123*s124*z12) - 
   (s13*s24^2*z1)/(s12^2*s123*s124*z12) - (s23*s24^2*z1)/
    (s12^2*s123*s124*z12) + (s14*s23*z1)/(s12*s34^2*z12) + 
   (s13*s14*s23*z1)/(s12^2*s34^2*z12) + (s14^2*s23*z1)/(s12^2*s34^2*z12) + 
   (s14*s23^2*z1)/(s12^2*s34^2*z12) - (s24*z1)/(s34^2*z12) - 
   (2*s13*s24*z1)/(s12*s34^2*z12) - (s13^2*s24*z1)/(s12^2*s34^2*z12) - 
   (s13*s24*z1)/(4*s134*s34^2*z12) - (s13^2*s24*z1)/(4*s12*s134*s34^2*z12) - 
   (s14*s24*z1)/(s12*s34^2*z12) - (s13*s14*s24*z1)/(s12^2*s34^2*z12) + 
   (s14*s24*z1)/(4*s134*s34^2*z12) + (s14^2*s24*z1)/(4*s12*s134*s34^2*z12) - 
   (s23*s24*z1)/(s12*s34^2*z12) - (s13*s23*s24*z1)/(s12^2*s34^2*z12) - 
   (s23*s24*z1)/(4*s134*s34^2*z12) - (s13*s23*s24*z1)/
    (2*s12*s134*s34^2*z12) + (s14*s23*s24*z1)/(s12^2*s34^2*z12) - 
   (s23^2*s24*z1)/(4*s12*s134*s34^2*z12) - (s13*s24*z1)/(4*s234*s34^2*z12) - 
   (s13^2*s24*z1)/(4*s12*s234*s34^2*z12) + (s14*s24*z1)/(4*s234*s34^2*z12) + 
   (s14^2*s24*z1)/(4*s12*s234*s34^2*z12) - (s23*s24*z1)/(4*s234*s34^2*z12) - 
   (s13*s23*s24*z1)/(2*s12*s234*s34^2*z12) - 
   (s23^2*s24*z1)/(4*s12*s234*s34^2*z12) - (s24^2*z1)/(s12*s34^2*z12) - 
   (s13*s24^2*z1)/(s12^2*s34^2*z12) + (s24^2*z1)/(4*s134*s34^2*z12) + 
   (s14*s24^2*z1)/(2*s12*s134*s34^2*z12) + (s24^2*z1)/(4*s234*s34^2*z12) + 
   (s14*s24^2*z1)/(2*s12*s234*s34^2*z12) + 
   (s24^3*z1)/(4*s12*s134*s34^2*z12) + (s24^3*z1)/(4*s12*s234*s34^2*z12) - 
   (s23*z1)/(s12*s34*z12) - (s13*s23*z1)/(s12^2*s34*z12) + 
   (s14*s23*z1)/(2*s12*s123*s34*z12) + (s14*s23*z1)/(2*s12*s124*s34*z12) + 
   (s13*s14*s23*z1)/(2*s12^2*s123*s34*z12) + (s13*s14*s23*z1)/
    (2*s12^2*s124*s34*z12) + (s14^2*s23*z1)/(2*s12^2*s123*s34*z12) + 
   (s14^2*s23*z1)/(2*s12^2*s124*s34*z12) - (s23^2*z1)/(s12^2*s34*z12) + 
   (s14*s23^2*z1)/(2*s12^2*s123*s34*z12) + 
   (s14*s23^2*z1)/(2*s12^2*s124*s34*z12) - (s23*z1)/(2*s234*s34*z12) - 
   (s13*s23*z1)/(2*s12*s234*s34*z12) - (s14*s23*z1)/(2*s12*s234*s34*z12) - 
   (s23^2*z1)/(2*s12*s234*s34*z12) - (2*s24*z1)/(s12*s34*z12) - 
   (s24*z1)/(s123*s34*z12) - (s24*z1)/(s124*s34*z12) - 
   (2*s13*s24*z1)/(s12^2*s34*z12) - (s13*s24*z1)/(s12*s123*s34*z12) - 
   (2*s13*s24*z1)/(s12*s124*s34*z12) - (s13^2*s24*z1)/(s12^2*s124*s34*z12) - 
   (s13*s24*z1)/(4*s12*s134*s34*z12) - (s14*s24*z1)/(s12^2*s34*z12) - 
   (s14*s24*z1)/(s12*s123*s34*z12) - (2*s14*s24*z1)/(s12*s124*s34*z12) - 
   (2*s13*s14*s24*z1)/(s12^2*s124*s34*z12) + 
   (s14*s24*z1)/(4*s12*s134*s34*z12) - (s14^2*s24*z1)/(s12^2*s124*s34*z12) - 
   (2*s23*s24*z1)/(s12^2*s34*z12) - (s23*s24*z1)/(2*s12*s123*s34*z12) - 
   (3*s23*s24*z1)/(2*s12*s124*s34*z12) + (s13*s23*s24*z1)/
    (2*s12^2*s123*s34*z12) - (3*s13*s23*s24*z1)/(2*s12^2*s124*s34*z12) - 
   (s23*s24*z1)/(4*s12*s134*s34*z12) + (s14*s23*s24*z1)/
    (s12^2*s123*s34*z12) - (s14*s23*s24*z1)/(s12^2*s124*s34*z12) + 
   (s23^2*s24*z1)/(2*s12^2*s123*s34*z12) - 
   (s23^2*s24*z1)/(2*s12^2*s124*s34*z12) - (s24*z1)/(2*s234*s34*z12) - 
   (3*s13*s24*z1)/(4*s12*s234*s34*z12) - (s14*s24*z1)/(4*s12*s234*s34*z12) - 
   (5*s23*s24*z1)/(4*s12*s234*s34*z12) - (s24^2*z1)/(s12^2*s34*z12) - 
   (s24^2*z1)/(s12*s123*s34*z12) - (2*s24^2*z1)/(s12*s124*s34*z12) - 
   (2*s13*s24^2*z1)/(s12^2*s124*s34*z12) + (s24^2*z1)/(4*s12*s134*s34*z12) - 
   (2*s14*s24^2*z1)/(s12^2*s124*s34*z12) + 
   (s23*s24^2*z1)/(2*s12^2*s123*s34*z12) - (3*s23*s24^2*z1)/
    (2*s12^2*s124*s34*z12) - (s24^2*z1)/(4*s12*s234*s34*z12) - 
   (s24^3*z1)/(s12^2*s124*s34*z12) - (s23*s34*z1)/(2*s12^2*s123*z12) - 
   (s24*s34*z1)/(2*s12^2*s124*z12) - (s24*s34*z1)/(s12*s123*s124*z12) - 
   (s13*s24*s34*z1)/(s12^2*s123*s124*z12) - (s23*s24*s34*z1)/
    (s12^2*s123*s124*z12) + (z1*z2)/(s123*z12^2) + (z1*z2)/(s124*z12^2) + 
   (2*s13*z1*z2)/(s12^2*z12^2) + (2*s13*z1*z2)/(s12*s123*z12^2) + 
   (s13*z1*z2)/(s12*s124*z12^2) + (s13^2*z1*z2)/(s12^2*s123*z12^2) + 
   (2*s14*z1*z2)/(s12^2*z12^2) + (s14*z1*z2)/(s12*s124*z12^2) + 
   (s13*s14*z1*z2)/(s12^2*s124*z12^2) + (2*s23*z1*z2)/(s12^2*z12^2) + 
   (2*s23*z1*z2)/(s12*s123*z12^2) + (s23*z1*z2)/(s12*s124*z12^2) + 
   (2*s13*s23*z1*z2)/(s12^2*s123*z12^2) + (s14*s23*z1*z2)/
    (s12^2*s124*z12^2) + (s23^2*z1*z2)/(s12^2*s123*z12^2) + 
   (2*s24*z1*z2)/(s12^2*z12^2) + (s24*z1*z2)/(s12*s124*z12^2) + 
   (s13*s24*z1*z2)/(s12^2*s124*z12^2) + (s23*s24*z1*z2)/(s12^2*s124*z12^2) - 
   (2*s14*z1*z2)/(s34^2*z12^2) - (2*s13*s14*z1*z2)/(s12*s34^2*z12^2) - 
   (4*s14^2*z1*z2)/(s12*s34^2*z12^2) - (2*s13*s14^2*z1*z2)/
    (s12^2*s34^2*z12^2) - (2*s14^3*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*s14*s23*z1*z2)/(s12*s34^2*z12^2) - (2*s14^2*s23*z1*z2)/
    (s12^2*s34^2*z12^2) - (2*s24*z1*z2)/(s34^2*z12^2) - 
   (2*s13*s24*z1*z2)/(s12*s34^2*z12^2) - (8*s14*s24*z1*z2)/
    (s12*s34^2*z12^2) - (4*s13*s14*s24*z1*z2)/(s12^2*s34^2*z12^2) - 
   (6*s14^2*s24*z1*z2)/(s12^2*s34^2*z12^2) - (2*s23*s24*z1*z2)/
    (s12*s34^2*z12^2) - (4*s14*s23*s24*z1*z2)/(s12^2*s34^2*z12^2) - 
   (4*s24^2*z1*z2)/(s12*s34^2*z12^2) - (2*s13*s24^2*z1*z2)/
    (s12^2*s34^2*z12^2) - (6*s14*s24^2*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*s23*s24^2*z1*z2)/(s12^2*s34^2*z12^2) - 
   (2*s24^3*z1*z2)/(s12^2*s34^2*z12^2) + (2*s13*z1*z2)/(s12*s34*z12^2) + 
   (2*s13^2*z1*z2)/(s12^2*s34*z12^2) - (s14*z1*z2)/(s123*s34*z12^2) - 
   (s14*z1*z2)/(s124*s34*z12^2) + (4*s13*s14*z1*z2)/(s12^2*s34*z12^2) - 
   (2*s13*s14*z1*z2)/(s12*s123*s34*z12^2) - (s13*s14*z1*z2)/
    (s12*s124*s34*z12^2) - (s13^2*s14*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s14^2*z1*z2)/(s12*s123*s34*z12^2) - (2*s14^2*z1*z2)/
    (s12*s124*s34*z12^2) - (s13*s14^2*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s13*s14^2*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (s14^3*z1*z2)/(s12^2*s124*s34*z12^2) + (2*s23*z1*z2)/(s12*s34*z12^2) + 
   (4*s13*s23*z1*z2)/(s12^2*s34*z12^2) + (4*s14*s23*z1*z2)/
    (s12^2*s34*z12^2) - (2*s14*s23*z1*z2)/(s12*s123*s34*z12^2) - 
   (s14*s23*z1*z2)/(s12*s124*s34*z12^2) - (2*s13*s14*s23*z1*z2)/
    (s12^2*s123*s34*z12^2) - (s14^2*s23*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s14^2*s23*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (2*s23^2*z1*z2)/(s12^2*s34*z12^2) - (s14*s23^2*z1*z2)/
    (s12^2*s123*s34*z12^2) - (s24*z1*z2)/(s123*s34*z12^2) - 
   (s24*z1*z2)/(s124*s34*z12^2) + (4*s13*s24*z1*z2)/(s12^2*s34*z12^2) - 
   (2*s13*s24*z1*z2)/(s12*s123*s34*z12^2) - (s13*s24*z1*z2)/
    (s12*s124*s34*z12^2) - (s13^2*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s14*s24*z1*z2)/(s12*s123*s34*z12^2) - (4*s14*s24*z1*z2)/
    (s12*s124*s34*z12^2) - (2*s13*s14*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s13*s14*s24*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (3*s14^2*s24*z1*z2)/(s12^2*s124*s34*z12^2) + 
   (4*s23*s24*z1*z2)/(s12^2*s34*z12^2) - (2*s23*s24*z1*z2)/
    (s12*s123*s34*z12^2) - (s23*s24*z1*z2)/(s12*s124*s34*z12^2) - 
   (2*s13*s23*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s14*s23*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (2*s14*s23*s24*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (s23^2*s24*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s24^2*z1*z2)/(s12*s123*s34*z12^2) - (2*s24^2*z1*z2)/
    (s12*s124*s34*z12^2) - (s13*s24^2*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s13*s24^2*z1*z2)/(s12^2*s124*s34*z12^2) - (3*s14*s24^2*z1*z2)/
    (s12^2*s124*s34*z12^2) - (s23*s24^2*z1*z2)/(s12^2*s123*s34*z12^2) - 
   (s23*s24^2*z1*z2)/(s12^2*s124*s34*z12^2) - 
   (s24^3*z1*z2)/(s12^2*s124*s34*z12^2) + (s34*z1*z2)/(s12*s123*z12^2) + 
   (s34*z1*z2)/(s12*s124*z12^2) + (s13*s34*z1*z2)/(s12^2*s123*z12^2) + 
   (s14*s34*z1*z2)/(s12^2*s124*z12^2) + (s23*s34*z1*z2)/(s12^2*s123*z12^2) + 
   (s24*s34*z1*z2)/(s12^2*s124*z12^2) + z2/(s12*z12) - 
   (2*s13*z2)/(s12^2*z12) - (s13*z2)/(s12*s123*z12) - 
   (s13^2*z2)/(s12^2*s123*z12) - (s12*z2)/(s123*s134*z12) + 
   (s12*z2)/(2*s124*s134*z12) - (3*s13*z2)/(4*s12*s134*z12) - 
   (2*s13*z2)/(s123*s134*z12) + (s13*z2)/(2*s124*s134*z12) - 
   (s13^2*z2)/(s12*s123*s134*z12) - (2*s14*z2)/(s12^2*z12) - 
   (s13*s14*z2)/(s12^2*s124*z12) - (3*s14*z2)/(4*s12*s134*z12) + 
   (s14*z2)/(s123*s134*z12) + (s13*s14*z2)/(s12*s123*s134*z12) + 
   (s13*s14*z2)/(2*s12*s124*s134*z12) - (s14^2*z2)/(2*s12*s124*s134*z12) - 
   (s23*z2)/(s12^2*z12) - (s23*z2)/(2*s12*s123*z12) - 
   (3*s13*s23*z2)/(2*s12^2*s123*z12) - (s23*z2)/(4*s12*s134*z12) - 
   (2*s23*z2)/(s123*s134*z12) + (s23*z2)/(2*s124*s134*z12) - 
   (2*s13*s23*z2)/(s12*s123*s134*z12) - (3*s14*s23*z2)/(2*s12^2*s124*z12) + 
   (s14*s23*z2)/(s12*s123*s134*z12) + (s14*s23*z2)/(2*s12*s124*s134*z12) - 
   (s23^2*z2)/(2*s12^2*s123*z12) - (s23^2*z2)/(s12*s123*s134*z12) + 
   (s12*z2)/(2*s123*s234*z12) - (s12*z2)/(s124*s234*z12) - 
   (3*s13*z2)/(4*s12*s234*z12) + (s13*z2)/(s123*s234*z12) - 
   (s13*z2)/(s124*s234*z12) + (s13^2*z2)/(2*s12*s123*s234*z12) - 
   (3*s14*z2)/(4*s12*s234*z12) + (s14*z2)/(2*s123*s234*z12) - 
   (2*s14*z2)/(s124*s234*z12) + (s13*s14*z2)/(2*s12*s123*s234*z12) - 
   (s13*s14*z2)/(s12*s124*s234*z12) - (s14^2*z2)/(s12*s124*s234*z12) - 
   (3*s23*z2)/(4*s12*s234*z12) + (s23*z2)/(s123*s234*z12) - 
   (s23*z2)/(s124*s234*z12) + (s13*s23*z2)/(s12*s123*s234*z12) + 
   (s14*s23*z2)/(2*s12*s123*s234*z12) - (s14*s23*z2)/(s12*s124*s234*z12) + 
   (s23^2*z2)/(2*s12*s123*s234*z12) - (s24*z2)/(s12^2*z12) + 
   (s24*z2)/(s12*s123*z12) + (3*s24*z2)/(2*s12*s124*z12) + 
   (s24*z2)/(s123*s124*z12) + (s13*s24*z2)/(2*s12^2*s124*z12) + 
   (2*s13*s24*z2)/(s12*s123*s124*z12) + (s13^2*s24*z2)/
    (s12^2*s123*s124*z12) - (s24*z2)/(4*s12*s134*z12) - 
   (s24*z2)/(s123*s134*z12) + (s24*z2)/(s124*s134*z12) - 
   (s13*s24*z2)/(s12*s123*s134*z12) + (s13*s24*z2)/(2*s12*s124*s134*z12) + 
   (3*s14*s24*z2)/(2*s12^2*s124*z12) + (s14*s24*z2)/(s12*s123*s124*z12) + 
   (s13*s14*s24*z2)/(s12^2*s123*s124*z12) + 
   (2*s23*s24*z2)/(s12*s123*s124*z12) + (2*s13*s23*s24*z2)/
    (s12^2*s123*s124*z12) - (s23*s24*z2)/(s12*s123*s134*z12) + 
   (s23*s24*z2)/(2*s12*s124*s134*z12) + (s14*s23*s24*z2)/
    (s12^2*s123*s124*z12) + (s23^2*s24*z2)/(s12^2*s123*s124*z12) - 
   (3*s24*z2)/(4*s12*s234*z12) - (s24*z2)/(2*s123*s234*z12) - 
   (s13*s24*z2)/(2*s12*s123*s234*z12) - (s13*s24*z2)/(s12*s124*s234*z12) - 
   (s23*s24*z2)/(2*s12*s123*s234*z12) - (s23*s24*z2)/(s12*s124*s234*z12) + 
   (3*s24^2*z2)/(2*s12^2*s124*z12) + (s24^2*z2)/(s12*s123*s124*z12) + 
   (s13*s24^2*z2)/(s12^2*s123*s124*z12) + (s24^2*z2)/(2*s12*s124*s134*z12) + 
   (s23*s24^2*z2)/(s12^2*s123*s124*z12) + (s24^2*z2)/(s12*s124*s234*z12) + 
   (s14*z2)/(s34^2*z12) + (s13*s14*z2)/(s12*s34^2*z12) + 
   (s12*s14*z2)/(s134*s34^2*z12) + (3*s13*s14*z2)/(4*s134*s34^2*z12) - 
   (s13^2*s14*z2)/(4*s12*s134*s34^2*z12) + (3*s14^2*z2)/(s12*s34^2*z12) + 
   (2*s13*s14^2*z2)/(s12^2*s34^2*z12) + (9*s14^2*z2)/(4*s134*s34^2*z12) + 
   (s13*s14^2*z2)/(s12*s134*s34^2*z12) + (2*s14^3*z2)/(s12^2*s34^2*z12) + 
   (5*s14^3*z2)/(4*s12*s134*s34^2*z12) - (s13*s14*s23*z2)/(s12^2*s34^2*z12) + 
   (5*s14*s23*z2)/(4*s134*s34^2*z12) + (s14^2*s23*z2)/(s12^2*s34^2*z12) + 
   (3*s14^2*s23*z2)/(2*s12*s134*s34^2*z12) - 
   (s14*s23^2*z2)/(s12^2*s34^2*z12) + (s14*s23^2*z2)/(4*s12*s134*s34^2*z12) - 
   (s13*s14*z2)/(4*s234*s34^2*z12) - (s13^2*s14*z2)/(4*s12*s234*s34^2*z12) + 
   (s14^2*z2)/(4*s234*s34^2*z12) + (s14^3*z2)/(4*s12*s234*s34^2*z12) - 
   (3*s14*s23*z2)/(4*s234*s34^2*z12) - (s13*s14*s23*z2)/
    (s12*s234*s34^2*z12) - (s14^2*s23*z2)/(2*s12*s234*s34^2*z12) - 
   (3*s14*s23^2*z2)/(4*s12*s234*s34^2*z12) + (2*s24*z2)/(s34^2*z12) + 
   (3*s13*s24*z2)/(s12*s34^2*z12) + (s13^2*s24*z2)/(s12^2*s34^2*z12) - 
   (s13*s24*z2)/(2*s134*s34^2*z12) - (s13^2*s24*z2)/(2*s12*s134*s34^2*z12) + 
   (7*s14*s24*z2)/(s12*s34^2*z12) + (5*s13*s14*s24*z2)/(s12^2*s34^2*z12) + 
   (9*s14*s24*z2)/(4*s134*s34^2*z12) + (s13*s14*s24*z2)/
    (2*s12*s134*s34^2*z12) + (6*s14^2*s24*z2)/(s12^2*s34^2*z12) + 
   (5*s14^2*s24*z2)/(2*s12*s134*s34^2*z12) + (2*s23*s24*z2)/(s12*s34^2*z12) + 
   (s13*s23*s24*z2)/(s12^2*s34^2*z12) - (s13*s23*s24*z2)/
    (2*s12*s134*s34^2*z12) + (3*s14*s23*s24*z2)/(s12^2*s34^2*z12) + 
   (3*s14*s23*s24*z2)/(2*s12*s134*s34^2*z12) + 
   (s12*s24*z2)/(s234*s34^2*z12) + (3*s13*s24*z2)/(2*s234*s34^2*z12) + 
   (s13^2*s24*z2)/(2*s12*s234*s34^2*z12) + 
   (9*s14*s24*z2)/(4*s234*s34^2*z12) + (3*s13*s14*s24*z2)/
    (2*s12*s234*s34^2*z12) + (3*s14^2*s24*z2)/(2*s12*s234*s34^2*z12) + 
   (s23*s24*z2)/(s234*s34^2*z12) + (s13*s23*s24*z2)/(2*s12*s234*s34^2*z12) + 
   (s14*s23*s24*z2)/(2*s12*s234*s34^2*z12) + (4*s24^2*z2)/(s12*s34^2*z12) + 
   (3*s13*s24^2*z2)/(s12^2*s34^2*z12) - (s13*s24^2*z2)/
    (2*s12*s134*s34^2*z12) + (6*s14*s24^2*z2)/(s12^2*s34^2*z12) + 
   (5*s14*s24^2*z2)/(4*s12*s134*s34^2*z12) + (2*s23*s24^2*z2)/
    (s12^2*s34^2*z12) + (2*s24^2*z2)/(s234*s34^2*z12) + 
   (3*s13*s24^2*z2)/(2*s12*s234*s34^2*z12) + (9*s14*s24^2*z2)/
    (4*s12*s234*s34^2*z12) + (s23*s24^2*z2)/(s12*s234*s34^2*z12) + 
   (2*s24^3*z2)/(s12^2*s34^2*z12) + (s24^3*z2)/(s12*s234*s34^2*z12) + 
   z2/(s34*z12) - (s13*z2)/(s12*s34*z12) - (2*s13^2*z2)/(s12^2*s34*z12) - 
   (3*s13*z2)/(4*s134*s34*z12) - (3*s13^2*z2)/(4*s12*s134*s34*z12) + 
   (s14*z2)/(s124*s34*z12) - (4*s13*s14*z2)/(s12^2*s34*z12) + 
   (s13*s14*z2)/(s12*s123*s34*z12) + (s13*s14*z2)/(s12*s124*s34*z12) + 
   (s13^2*s14*z2)/(s12^2*s123*s34*z12) + (s14*z2)/(4*s134*s34*z12) + 
   (2*s12*s14*z2)/(s123*s134*s34*z12) - (s12*s14*z2)/(s124*s134*s34*z12) - 
   (7*s13*s14*z2)/(4*s12*s134*s34*z12) + (4*s13*s14*z2)/(s123*s134*s34*z12) - 
   (s13*s14*z2)/(s124*s134*s34*z12) + (2*s13^2*s14*z2)/
    (s12*s123*s134*s34*z12) + (2*s14^2*z2)/(s12*s124*s34*z12) + 
   (s13*s14^2*z2)/(s12^2*s123*s34*z12) + (s13*s14^2*z2)/
    (s12^2*s124*s34*z12) + (s14^2*z2)/(2*s12*s134*s34*z12) + 
   (2*s14^2*z2)/(s123*s134*s34*z12) - (2*s14^2*z2)/(s124*s134*s34*z12) + 
   (2*s13*s14^2*z2)/(s12*s123*s134*s34*z12) - 
   (s13*s14^2*z2)/(s12*s124*s134*s34*z12) + (s14^3*z2)/(s12^2*s124*s34*z12) - 
   (s14^3*z2)/(s12*s124*s134*s34*z12) - (3*s13*s23*z2)/(s12^2*s34*z12) - 
   (s23*z2)/(4*s134*s34*z12) - (s13*s23*z2)/(s12*s134*s34*z12) - 
   (4*s14*s23*z2)/(s12^2*s34*z12) + (s14*s23*z2)/(2*s12*s123*s34*z12) + 
   (s14*s23*z2)/(2*s12*s124*s34*z12) + (3*s13*s14*s23*z2)/
    (2*s12^2*s123*s34*z12) - (s13*s14*s23*z2)/(2*s12^2*s124*s34*z12) - 
   (3*s14*s23*z2)/(4*s12*s134*s34*z12) + (4*s14*s23*z2)/(s123*s134*s34*z12) - 
   (s14*s23*z2)/(s124*s134*s34*z12) + (4*s13*s14*s23*z2)/
    (s12*s123*s134*s34*z12) + (s14^2*s23*z2)/(2*s12^2*s123*s34*z12) + 
   (s14^2*s23*z2)/(2*s12^2*s124*s34*z12) + (2*s14^2*s23*z2)/
    (s12*s123*s134*s34*z12) - (s14^2*s23*z2)/(s12*s124*s134*s34*z12) - 
   (s23^2*z2)/(s12^2*s34*z12) - (s23^2*z2)/(4*s12*s134*s34*z12) + 
   (s14*s23^2*z2)/(2*s12^2*s123*s34*z12) - 
   (s14*s23^2*z2)/(2*s12^2*s124*s34*z12) + (2*s14*s23^2*z2)/
    (s12*s123*s134*s34*z12) - (3*s13*z2)/(4*s234*s34*z12) - 
   (3*s13^2*z2)/(4*s12*s234*s34*z12) - (3*s14*z2)/(4*s234*s34*z12) - 
   (7*s13*s14*z2)/(4*s12*s234*s34*z12) - (s14^2*z2)/(2*s12*s234*s34*z12) - 
   (3*s23*z2)/(4*s234*s34*z12) - (3*s13*s23*z2)/(2*s12*s234*s34*z12) - 
   (9*s14*s23*z2)/(4*s12*s234*s34*z12) - (3*s23^2*z2)/(4*s12*s234*s34*z12) + 
   (2*s24*z2)/(s12*s34*z12) + (s24*z2)/(s123*s34*z12) + 
   (2*s24*z2)/(s124*s34*z12) - (2*s13*s24*z2)/(s12^2*s34*z12) + 
   (2*s13*s24*z2)/(s12*s123*s34*z12) + (3*s13*s24*z2)/(s12*s124*s34*z12) + 
   (s13^2*s24*z2)/(s12^2*s123*s34*z12) + (s13^2*s24*z2)/
    (s12^2*s124*s34*z12) - (s24*z2)/(4*s134*s34*z12) - 
   (3*s13*s24*z2)/(2*s12*s134*s34*z12) + (s14*s24*z2)/(s12^2*s34*z12) + 
   (s14*s24*z2)/(s12*s123*s34*z12) + (6*s14*s24*z2)/(s12*s124*s34*z12) + 
   (2*s13*s14*s24*z2)/(s12^2*s123*s34*z12) + (4*s13*s14*s24*z2)/
    (s12^2*s124*s34*z12) + (s14*s24*z2)/(4*s12*s134*s34*z12) + 
   (2*s14*s24*z2)/(s123*s134*s34*z12) - (2*s14*s24*z2)/(s124*s134*s34*z12) + 
   (2*s13*s14*s24*z2)/(s12*s123*s134*s34*z12) - 
   (s13*s14*s24*z2)/(s12*s124*s134*s34*z12) + 
   (4*s14^2*s24*z2)/(s12^2*s124*s34*z12) - (2*s14^2*s24*z2)/
    (s12*s124*s134*s34*z12) - (2*s23*s24*z2)/(s12^2*s34*z12) + 
   (3*s23*s24*z2)/(2*s12*s123*s34*z12) + (5*s23*s24*z2)/
    (2*s12*s124*s34*z12) + (3*s13*s23*s24*z2)/(2*s12^2*s123*s34*z12) + 
   (3*s13*s23*s24*z2)/(2*s12^2*s124*s34*z12) - 
   (s23*s24*z2)/(2*s12*s134*s34*z12) + (s14*s23*s24*z2)/
    (s12^2*s123*s34*z12) + (3*s14*s23*s24*z2)/(s12^2*s124*s34*z12) + 
   (2*s14*s23*s24*z2)/(s12*s123*s134*s34*z12) - 
   (s14*s23*s24*z2)/(s12*s124*s134*s34*z12) + 
   (s23^2*s24*z2)/(2*s12^2*s123*s34*z12) + 
   (s23^2*s24*z2)/(2*s12^2*s124*s34*z12) + (s24*z2)/(4*s234*s34*z12) - 
   (s12*s24*z2)/(s123*s234*s34*z12) + (2*s12*s24*z2)/(s124*s234*s34*z12) - 
   (s13*s24*z2)/(s12*s234*s34*z12) - (2*s13*s24*z2)/(s123*s234*s34*z12) + 
   (2*s13*s24*z2)/(s124*s234*s34*z12) - (s13^2*s24*z2)/
    (s12*s123*s234*s34*z12) - (s14*s24*z2)/(4*s12*s234*s34*z12) - 
   (s14*s24*z2)/(s123*s234*s34*z12) + (4*s14*s24*z2)/(s124*s234*s34*z12) - 
   (s13*s14*s24*z2)/(s12*s123*s234*s34*z12) + (2*s13*s14*s24*z2)/
    (s12*s124*s234*s34*z12) + (2*s14^2*s24*z2)/(s12*s124*s234*s34*z12) - 
   (3*s23*s24*z2)/(2*s12*s234*s34*z12) - (2*s23*s24*z2)/(s123*s234*s34*z12) + 
   (2*s23*s24*z2)/(s124*s234*s34*z12) - (2*s13*s23*s24*z2)/
    (s12*s123*s234*s34*z12) - (s14*s23*s24*z2)/(s12*s123*s234*s34*z12) + 
   (2*s14*s23*s24*z2)/(s12*s124*s234*s34*z12) - 
   (s23^2*s24*z2)/(s12*s123*s234*s34*z12) + (s24^2*z2)/(s12^2*s34*z12) + 
   (s24^2*z2)/(s12*s123*s34*z12) + (4*s24^2*z2)/(s12*s124*s34*z12) + 
   (s13*s24^2*z2)/(s12^2*s123*s34*z12) + (3*s13*s24^2*z2)/
    (s12^2*s124*s34*z12) - (s24^2*z2)/(4*s12*s134*s34*z12) + 
   (5*s14*s24^2*z2)/(s12^2*s124*s34*z12) - 
   (s14*s24^2*z2)/(s12*s124*s134*s34*z12) + 
   (s23*s24^2*z2)/(2*s12^2*s123*s34*z12) + (5*s23*s24^2*z2)/
    (2*s12^2*s124*s34*z12) + (s24^2*z2)/(4*s12*s234*s34*z12) - 
   (s24^2*z2)/(s123*s234*s34*z12) + (4*s24^2*z2)/(s124*s234*s34*z12) - 
   (s13*s24^2*z2)/(s12*s123*s234*s34*z12) + (2*s13*s24^2*z2)/
    (s12*s124*s234*s34*z12) + (4*s14*s24^2*z2)/(s12*s124*s234*s34*z12) - 
   (s23*s24^2*z2)/(s12*s123*s234*s34*z12) + (2*s23*s24^2*z2)/
    (s12*s124*s234*s34*z12) + (2*s24^3*z2)/(s12^2*s124*s34*z12) + 
   (2*s24^3*z2)/(s12*s124*s234*s34*z12) - (s13*s34*z2)/(s12^2*s123*z12) - 
   (s34*z2)/(s123*s134*z12) + (s34*z2)/(2*s124*s134*z12) - 
   (s13*s34*z2)/(s12*s123*s134*z12) - (s14*s34*z2)/(s12^2*s124*z12) + 
   (s14*s34*z2)/(2*s12*s124*s134*z12) - (s23*s34*z2)/(2*s12^2*s123*z12) - 
   (s23*s34*z2)/(s12*s123*s134*z12) + (s34*z2)/(2*s123*s234*z12) - 
   (s34*z2)/(s124*s234*z12) + (s13*s34*z2)/(2*s12*s123*s234*z12) - 
   (s14*s34*z2)/(s12*s124*s234*z12) + (s23*s34*z2)/(2*s12*s123*s234*z12) - 
   (s24*s34*z2)/(2*s12^2*s124*z12) + (s24*s34*z2)/(s12*s123*s124*z12) + 
   (s13*s24*s34*z2)/(s12^2*s123*s124*z12) + 
   (s24*s34*z2)/(2*s12*s124*s134*z12) + (s23*s24*s34*z2)/
    (s12^2*s123*s124*z12) - (s24*s34*z2)/(s12*s124*s234*z12) + z3/(s12*z12) + 
   z3/(2*s123*z12) + (s13*z3)/(2*s12*s123*z12) - (s14*z3)/(2*s12*s124*z12) + 
   (s23*z3)/(2*s12*s123*z12) + z3/(2*s234*z12) - (s24*z3)/(2*s12*s124*z12) - 
   (s24*z3)/(s123*s134*z12) + (s24*z3)/(2*s124*s134*z12) - 
   (s13*s24*z3)/(s12*s123*s134*z12) + (s14*s24*z3)/(2*s12*s124*s134*z12) - 
   (s23*s24*z3)/(s12*s123*s134*z12) - (s24*z3)/(2*s123*s234*z12) + 
   (s24*z3)/(s124*s234*z12) - (s13*s24*z3)/(2*s12*s123*s234*z12) + 
   (s14*s24*z3)/(s12*s124*s234*z12) - (s23*s24*z3)/(2*s12*s123*s234*z12) + 
   (s24^2*z3)/(2*s12*s124*s134*z12) + (s24^2*z3)/(s12*s124*s234*z12) - 
   (s14*z3)/(s34^2*z12) - (s13*s14*z3)/(s12*s34^2*z12) - 
   (s14^2*z3)/(s12*s34^2*z12) - (s14*s23*z3)/(s12*s34^2*z12) - 
   (s24*z3)/(s34^2*z12) - (s13*s24*z3)/(s12*s34^2*z12) - 
   (s12*s24*z3)/(2*s134*s34^2*z12) - (3*s13*s24*z3)/(4*s134*s34^2*z12) - 
   (s13^2*s24*z3)/(4*s12*s134*s34^2*z12) - (2*s14*s24*z3)/(s12*s34^2*z12) - 
   (5*s14*s24*z3)/(4*s134*s34^2*z12) - (s13*s14*s24*z3)/
    (s12*s134*s34^2*z12) - (3*s14^2*s24*z3)/(4*s12*s134*s34^2*z12) - 
   (s23*s24*z3)/(s12*s34^2*z12) - (3*s23*s24*z3)/(4*s134*s34^2*z12) - 
   (s13*s23*s24*z3)/(2*s12*s134*s34^2*z12) - (s14*s23*s24*z3)/
    (s12*s134*s34^2*z12) - (s23^2*s24*z3)/(4*s12*s134*s34^2*z12) + 
   (s12*s24*z3)/(2*s234*s34^2*z12) + (3*s13*s24*z3)/(4*s234*s34^2*z12) + 
   (s13^2*s24*z3)/(4*s12*s234*s34^2*z12) + 
   (5*s14*s24*z3)/(4*s234*s34^2*z12) + (s13*s14*s24*z3)/
    (s12*s234*s34^2*z12) + (3*s14^2*s24*z3)/(4*s12*s234*s34^2*z12) + 
   (3*s23*s24*z3)/(4*s234*s34^2*z12) + (s13*s23*s24*z3)/
    (2*s12*s234*s34^2*z12) + (s14*s23*s24*z3)/(s12*s234*s34^2*z12) + 
   (s23^2*s24*z3)/(4*s12*s234*s34^2*z12) - (s24^2*z3)/(s12*s34^2*z12) - 
   (5*s24^2*z3)/(4*s134*s34^2*z12) - (s13*s24^2*z3)/(s12*s134*s34^2*z12) - 
   (3*s14*s24^2*z3)/(2*s12*s134*s34^2*z12) - 
   (s23*s24^2*z3)/(s12*s134*s34^2*z12) + (5*s24^2*z3)/(4*s234*s34^2*z12) + 
   (s13*s24^2*z3)/(s12*s234*s34^2*z12) + (3*s14*s24^2*z3)/
    (2*s12*s234*s34^2*z12) + (s23*s24^2*z3)/(s12*s234*s34^2*z12) - 
   (3*s24^3*z3)/(4*s12*s134*s34^2*z12) + 
   (3*s24^3*z3)/(4*s12*s234*s34^2*z12) + z3/(s34*z12) + 
   (s13*z3)/(s12*s34*z12) - (s14*z3)/(2*s123*s34*z12) - 
   (s14*z3)/(2*s124*s34*z12) - (s13*s14*z3)/(2*s12*s123*s34*z12) - 
   (s13*s14*z3)/(2*s12*s124*s34*z12) - (s14^2*z3)/(2*s12*s123*s34*z12) - 
   (s14^2*z3)/(2*s12*s124*s34*z12) + (s23*z3)/(s12*s34*z12) - 
   (s14*s23*z3)/(2*s12*s123*s34*z12) - (s14*s23*z3)/(2*s12*s124*s34*z12) + 
   (s12*z3)/(2*s234*s34*z12) + (s13*z3)/(2*s234*s34*z12) + 
   (s14*z3)/(2*s234*s34*z12) + (s23*z3)/(2*s234*s34*z12) - 
   (s24*z3)/(2*s123*s34*z12) - (s24*z3)/(2*s124*s34*z12) - 
   (s13*s24*z3)/(2*s12*s123*s34*z12) - (s13*s24*z3)/(2*s12*s124*s34*z12) - 
   (s24*z3)/(2*s134*s34*z12) - (s12*s24*z3)/(s123*s134*s34*z12) + 
   (s12*s24*z3)/(2*s124*s134*s34*z12) - (s13*s24*z3)/(4*s12*s134*s34*z12) - 
   (2*s13*s24*z3)/(s123*s134*s34*z12) + (s13*s24*z3)/(2*s124*s134*s34*z12) - 
   (s13^2*s24*z3)/(s12*s123*s134*s34*z12) - (s14*s24*z3)/(s12*s123*s34*z12) - 
   (s14*s24*z3)/(s12*s124*s34*z12) - (3*s14*s24*z3)/(4*s12*s134*s34*z12) - 
   (s14*s24*z3)/(s123*s134*s34*z12) + (s14*s24*z3)/(s124*s134*s34*z12) - 
   (s13*s14*s24*z3)/(s12*s123*s134*s34*z12) + 
   (s13*s14*s24*z3)/(2*s12*s124*s134*s34*z12) + 
   (s14^2*s24*z3)/(2*s12*s124*s134*s34*z12) - 
   (s23*s24*z3)/(2*s12*s123*s34*z12) - (s23*s24*z3)/(2*s12*s124*s34*z12) - 
   (s23*s24*z3)/(4*s12*s134*s34*z12) - (2*s23*s24*z3)/(s123*s134*s34*z12) + 
   (s23*s24*z3)/(2*s124*s134*s34*z12) - (2*s13*s23*s24*z3)/
    (s12*s123*s134*s34*z12) - (s14*s23*s24*z3)/(s12*s123*s134*s34*z12) + 
   (s14*s23*s24*z3)/(2*s12*s124*s134*s34*z12) - 
   (s23^2*s24*z3)/(s12*s123*s134*s34*z12) + (s24*z3)/(s234*s34*z12) - 
   (s12*s24*z3)/(2*s123*s234*s34*z12) + (s12*s24*z3)/(s124*s234*s34*z12) + 
   (s13*s24*z3)/(4*s12*s234*s34*z12) - (s13*s24*z3)/(s123*s234*s34*z12) + 
   (s13*s24*z3)/(s124*s234*s34*z12) - (s13^2*s24*z3)/
    (2*s12*s123*s234*s34*z12) + (3*s14*s24*z3)/(4*s12*s234*s34*z12) - 
   (s14*s24*z3)/(2*s123*s234*s34*z12) + (2*s14*s24*z3)/(s124*s234*s34*z12) - 
   (s13*s14*s24*z3)/(2*s12*s123*s234*s34*z12) + 
   (s13*s14*s24*z3)/(s12*s124*s234*s34*z12) + 
   (s14^2*s24*z3)/(s12*s124*s234*s34*z12) + 
   (s23*s24*z3)/(4*s12*s234*s34*z12) - (s23*s24*z3)/(s123*s234*s34*z12) + 
   (s23*s24*z3)/(s124*s234*s34*z12) - (s13*s23*s24*z3)/
    (s12*s123*s234*s34*z12) - (s14*s23*s24*z3)/(2*s12*s123*s234*s34*z12) + 
   (s14*s23*s24*z3)/(s12*s124*s234*s34*z12) - 
   (s23^2*s24*z3)/(2*s12*s123*s234*s34*z12) - 
   (s24^2*z3)/(2*s12*s123*s34*z12) - (s24^2*z3)/(2*s12*s124*s34*z12) - 
   (3*s24^2*z3)/(4*s12*s134*s34*z12) - (s24^2*z3)/(s123*s134*s34*z12) + 
   (s24^2*z3)/(s124*s134*s34*z12) - (s13*s24^2*z3)/(s12*s123*s134*s34*z12) + 
   (s13*s24^2*z3)/(2*s12*s124*s134*s34*z12) + 
   (s14*s24^2*z3)/(s12*s124*s134*s34*z12) - 
   (s23*s24^2*z3)/(s12*s123*s134*s34*z12) + 
   (s23*s24^2*z3)/(2*s12*s124*s134*s34*z12) + 
   (3*s24^2*z3)/(4*s12*s234*s34*z12) - (s24^2*z3)/(2*s123*s234*s34*z12) + 
   (2*s24^2*z3)/(s124*s234*s34*z12) - (s13*s24^2*z3)/
    (2*s12*s123*s234*s34*z12) + (s13*s24^2*z3)/(s12*s124*s234*s34*z12) + 
   (2*s14*s24^2*z3)/(s12*s124*s234*s34*z12) - 
   (s23*s24^2*z3)/(2*s12*s123*s234*s34*z12) + 
   (s23*s24^2*z3)/(s12*s124*s234*s34*z12) + 
   (s24^3*z3)/(2*s12*s124*s134*s34*z12) + 
   (s24^3*z3)/(s12*s124*s234*s34*z12) + (s34*z3)/(2*s12*s123*z12) + 
   z1/(s12*z34) + z1/(2*s124*z34) + (s13*z1)/(2*s12*s124*z34) + 
   z1/(2*s134*z34) + (s14*z1)/(2*s12*s124*z34) - (s23*z1)/(s12^2*z34) + 
   (s23*z1)/(2*s12*s124*z34) - (s23*z1)/(2*s12*s134*z34) - 
   (s23*z1)/(2*s12*s234*z34) - (s24*z1)/(s12^2*z34) - 
   (s24*z1)/(2*s12*s123*z34) + (s24*z1)/(s12*s124*z34) - 
   (3*s13*s24*z1)/(4*s12^2*s123*z34) + (3*s13*s24*z1)/(4*s12^2*s124*z34) - 
   (s24*z1)/(2*s12*s134*z34) - (s24*z1)/(s123*s134*z34) - 
   (s24*z1)/(2*s124*s134*z34) - (2*s13*s24*z1)/(s12*s123*s134*z34) - 
   (s13*s24*z1)/(s12*s124*s134*z34) - (3*s14*s24*z1)/(4*s12^2*s123*z34) + 
   (3*s14*s24*z1)/(4*s12^2*s124*z34) - (2*s14*s24*z1)/(s12*s123*s134*z34) - 
   (s14*s24*z1)/(s12*s124*s134*z34) - (5*s23*s24*z1)/(4*s12^2*s123*z34) + 
   (5*s23*s24*z1)/(4*s12^2*s124*z34) - (s23*s24*z1)/(s12*s123*s134*z34) - 
   (s23*s24*z1)/(2*s12*s124*s134*z34) - (s24*z1)/(2*s12*s234*z34) + 
   (s24*z1)/(2*s123*s234*z34) + (s24*z1)/(s124*s234*z34) + 
   (s13*s24*z1)/(2*s12*s123*s234*z34) + (s13*s24*z1)/(s12*s124*s234*z34) + 
   (s14*s24*z1)/(2*s12*s123*s234*z34) + (s14*s24*z1)/(s12*s124*s234*z34) + 
   (s23*s24*z1)/(s12*s123*s234*z34) + (2*s23*s24*z1)/(s12*s124*s234*z34) - 
   (5*s24^2*z1)/(4*s12^2*s123*z34) + (5*s24^2*z1)/(4*s12^2*s124*z34) - 
   (s24^2*z1)/(s12*s123*s134*z34) - (s24^2*z1)/(2*s12*s124*s134*z34) + 
   (s24^2*z1)/(s12*s123*s234*z34) + (2*s24^2*z1)/(s12*s124*s234*z34) + 
   z1/(s34*z34) + (s13*z1)/(s12*s34*z34) + (s12*z1)/(2*s134*s34*z34) + 
   (s13*z1)/(2*s134*s34*z34) + (s14*z1)/(s12*s34*z34) + 
   (s14*z1)/(2*s134*s34*z34) - (s13*s23*z1)/(s12^2*s34*z34) - 
   (s13*s23*z1)/(2*s12*s134*s34*z34) - (s14*s23*z1)/(s12^2*s34*z34) - 
   (s14*s23*z1)/(2*s12*s134*s34*z34) - (s23^2*z1)/(s12^2*s34*z34) - 
   (s23^2*z1)/(2*s12*s134*s34*z34) - (s23*z1)/(2*s234*s34*z34) - 
   (s13*s23*z1)/(2*s12*s234*s34*z34) - (s14*s23*z1)/(2*s12*s234*s34*z34) - 
   (s23^2*z1)/(2*s12*s234*s34*z34) - (s13*s24*z1)/(s12^2*s34*z34) - 
   (s13*s24*z1)/(4*s12*s123*s34*z34) + (s13*s24*z1)/(4*s12*s124*s34*z34) - 
   (s13^2*s24*z1)/(4*s12^2*s123*s34*z34) + 
   (s13^2*s24*z1)/(4*s12^2*s124*s34*z34) - 
   (s13*s24*z1)/(2*s12*s134*s34*z34) - (s13*s24*z1)/(s123*s134*s34*z34) - 
   (s13*s24*z1)/(2*s124*s134*s34*z34) - (s13^2*s24*z1)/
    (s12*s123*s134*s34*z34) - (s13^2*s24*z1)/(2*s12*s124*s134*s34*z34) - 
   (s14*s24*z1)/(s12^2*s34*z34) - (s14*s24*z1)/(4*s12*s123*s34*z34) + 
   (s14*s24*z1)/(4*s12*s124*s34*z34) - (s13*s14*s24*z1)/
    (2*s12^2*s123*s34*z34) + (s13*s14*s24*z1)/(2*s12^2*s124*s34*z34) - 
   (s14*s24*z1)/(2*s12*s134*s34*z34) - (s14*s24*z1)/(s123*s134*s34*z34) - 
   (s14*s24*z1)/(2*s124*s134*s34*z34) - (2*s13*s14*s24*z1)/
    (s12*s123*s134*s34*z34) - (s13*s14*s24*z1)/(s12*s124*s134*s34*z34) - 
   (s14^2*s24*z1)/(4*s12^2*s123*s34*z34) + 
   (s14^2*s24*z1)/(4*s12^2*s124*s34*z34) - 
   (s14^2*s24*z1)/(s12*s123*s134*s34*z34) - 
   (s14^2*s24*z1)/(2*s12*s124*s134*s34*z34) - 
   (2*s23*s24*z1)/(s12^2*s34*z34) - (3*s23*s24*z1)/(4*s12*s123*s34*z34) + 
   (3*s23*s24*z1)/(4*s12*s124*s34*z34) - (s13*s23*s24*z1)/
    (s12^2*s123*s34*z34) + (s13*s23*s24*z1)/(s12^2*s124*s34*z34) - 
   (s23*s24*z1)/(s12*s134*s34*z34) - (s13*s23*s24*z1)/
    (s12*s123*s134*s34*z34) - (s13*s23*s24*z1)/(2*s12*s124*s134*s34*z34) - 
   (s14*s23*s24*z1)/(s12^2*s123*s34*z34) + (s14*s23*s24*z1)/
    (s12^2*s124*s34*z34) - (s14*s23*s24*z1)/(s12*s123*s134*s34*z34) - 
   (s14*s23*s24*z1)/(2*s12*s124*s134*s34*z34) - 
   (3*s23^2*s24*z1)/(4*s12^2*s123*s34*z34) + (3*s23^2*s24*z1)/
    (4*s12^2*s124*s34*z34) - (s24*z1)/(2*s234*s34*z34) - 
   (s13*s24*z1)/(2*s12*s234*s34*z34) - (s14*s24*z1)/(2*s12*s234*s34*z34) - 
   (s23*s24*z1)/(s12*s234*s34*z34) + (s23*s24*z1)/(2*s123*s234*s34*z34) + 
   (s23*s24*z1)/(s124*s234*s34*z34) + (s13*s23*s24*z1)/
    (2*s12*s123*s234*s34*z34) + (s13*s23*s24*z1)/(s12*s124*s234*s34*z34) + 
   (s14*s23*s24*z1)/(2*s12*s123*s234*s34*z34) + 
   (s14*s23*s24*z1)/(s12*s124*s234*s34*z34) + 
   (s23^2*s24*z1)/(2*s12*s123*s234*s34*z34) + 
   (s23^2*s24*z1)/(s12*s124*s234*s34*z34) - (s24^2*z1)/(s12^2*s34*z34) - 
   (3*s24^2*z1)/(4*s12*s123*s34*z34) + (3*s24^2*z1)/(4*s12*s124*s34*z34) - 
   (s13*s24^2*z1)/(s12^2*s123*s34*z34) + (s13*s24^2*z1)/
    (s12^2*s124*s34*z34) - (s24^2*z1)/(2*s12*s134*s34*z34) - 
   (s13*s24^2*z1)/(s12*s123*s134*s34*z34) - 
   (s13*s24^2*z1)/(2*s12*s124*s134*s34*z34) - 
   (s14*s24^2*z1)/(s12^2*s123*s34*z34) + (s14*s24^2*z1)/
    (s12^2*s124*s34*z34) - (s14*s24^2*z1)/(s12*s123*s134*s34*z34) - 
   (s14*s24^2*z1)/(2*s12*s124*s134*s34*z34) - 
   (3*s23*s24^2*z1)/(2*s12^2*s123*s34*z34) + (3*s23*s24^2*z1)/
    (2*s12^2*s124*s34*z34) - (s24^2*z1)/(2*s12*s234*s34*z34) + 
   (s24^2*z1)/(2*s123*s234*s34*z34) + (s24^2*z1)/(s124*s234*s34*z34) + 
   (s13*s24^2*z1)/(2*s12*s123*s234*s34*z34) + 
   (s13*s24^2*z1)/(s12*s124*s234*s34*z34) + 
   (s14*s24^2*z1)/(2*s12*s123*s234*s34*z34) + 
   (s14*s24^2*z1)/(s12*s124*s234*s34*z34) + 
   (s23*s24^2*z1)/(s12*s123*s234*s34*z34) + (2*s23*s24^2*z1)/
    (s12*s124*s234*s34*z34) - (3*s24^3*z1)/(4*s12^2*s123*s34*z34) + 
   (3*s24^3*z1)/(4*s12^2*s124*s34*z34) + 
   (s24^3*z1)/(2*s12*s123*s234*s34*z34) + 
   (s24^3*z1)/(s12*s124*s234*s34*z34) + (s34*z1)/(2*s12*s124*z34) - 
   (s24*s34*z1)/(2*s12^2*s123*z34) + (s24*s34*z1)/(2*s12^2*s124*z34) - 
   (s24*s34*z1)/(s12*s123*s134*z34) - (s24*s34*z1)/(2*s12*s124*s134*z34) + 
   (s24*s34*z1)/(2*s12*s123*s234*z34) + (s24*s34*z1)/(s12*s124*s234*z34) + 
   (s23*z1^2)/(s12^2*z12*z34) + (s24*z1^2)/(s12^2*z12*z34) + 
   (s24*z1^2)/(2*s12*s123*z12*z34) - (s24*z1^2)/(2*s12*s124*z12*z34) + 
   (3*s13*s24*z1^2)/(4*s12^2*s123*z12*z34) - (3*s13*s24*z1^2)/
    (4*s12^2*s124*z12*z34) + (3*s14*s24*z1^2)/(4*s12^2*s123*z12*z34) - 
   (3*s14*s24*z1^2)/(4*s12^2*s124*z12*z34) + (3*s23*s24*z1^2)/
    (4*s12^2*s123*z12*z34) - (3*s23*s24*z1^2)/(4*s12^2*s124*z12*z34) + 
   (3*s24^2*z1^2)/(4*s12^2*s123*z12*z34) - 
   (3*s24^2*z1^2)/(4*s12^2*s124*z12*z34) + (s23*z1^2)/(s12*s34*z12*z34) + 
   (s13*s23*z1^2)/(s12^2*s34*z12*z34) + (s14*s23*z1^2)/(s12^2*s34*z12*z34) + 
   (s23^2*z1^2)/(s12^2*s34*z12*z34) + (s24*z1^2)/(s12*s34*z12*z34) + 
   (s13*s24*z1^2)/(s12^2*s34*z12*z34) + (s13*s24*z1^2)/
    (4*s12*s123*s34*z12*z34) - (s13*s24*z1^2)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z1^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s14*s24*z1^2)/(s12^2*s34*z12*z34) + (s14*s24*z1^2)/
    (4*s12*s123*s34*z12*z34) - (s14*s24*z1^2)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14*s24*z1^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s14*s24*z1^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14^2*s24*z1^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^2*s24*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (2*s23*s24*z1^2)/(s12^2*s34*z12*z34) + (s23*s24*z1^2)/
    (4*s12*s123*s34*z12*z34) - (s23*s24*z1^2)/(4*s12*s124*s34*z12*z34) + 
   (s13*s23*s24*z1^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s23*s24*z1^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s23*s24*z1^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s14*s23*s24*z1^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^2*s24*z1^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s23^2*s24*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s24^2*z1^2)/(s12^2*s34*z12*z34) + (s24^2*z1^2)/(4*s12*s123*s34*z12*z34) - 
   (s24^2*z1^2)/(4*s12*s124*s34*z12*z34) + (s13*s24^2*z1^2)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s24^2*z1^2)/
    (2*s12^2*s124*s34*z12*z34) + (s14*s24^2*z1^2)/
    (2*s12^2*s123*s34*z12*z34) - (s14*s24^2*z1^2)/
    (2*s12^2*s124*s34*z12*z34) + (s23*s24^2*z1^2)/
    (2*s12^2*s123*s34*z12*z34) - (s23*s24^2*z1^2)/
    (2*s12^2*s124*s34*z12*z34) + (s24^3*z1^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s24^3*z1^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s24*s34*z1^2)/(2*s12^2*s123*z12*z34) - 
   (s24*s34*z1^2)/(2*s12^2*s124*z12*z34) + (2*z2)/(s12*z34) + 
   z2/(2*s124*z34) + (2*s13*z2)/(s12^2*z34) + (s13*z2)/(4*s12*s123*z34) + 
   (3*s13*z2)/(4*s12*s124*z34) + (s13^2*z2)/(4*s12^2*s123*z34) + 
   (s13^2*z2)/(4*s12^2*s124*z34) + z2/(s134*z34) + (s13*z2)/(s12*s134*z34) + 
   (2*s14*z2)/(s12^2*z34) + (3*s14*z2)/(4*s12*s123*z34) + 
   (s14*z2)/(4*s12*s124*z34) + (5*s13*s14*z2)/(4*s12^2*s123*z34) - 
   (s13*s14*z2)/(4*s12^2*s124*z34) + (s14*z2)/(s12*s134*z34) + 
   (s14*z2)/(s123*s134*z34) + (s14*z2)/(2*s124*s134*z34) + 
   (2*s13*s14*z2)/(s12*s123*s134*z34) + (s13*s14*z2)/(s12*s124*s134*z34) + 
   (s14^2*z2)/(s12^2*s123*z34) - (s14^2*z2)/(2*s12^2*s124*z34) + 
   (2*s14^2*z2)/(s12*s123*s134*z34) + (s14^2*z2)/(s12*s124*s134*z34) + 
   (s23*z2)/(s12^2*z34) - (s23*z2)/(4*s12*s123*z34) + 
   (s23*z2)/(4*s12*s124*z34) + (s23*z2)/(s12*s134*z34) + 
   (5*s14*s23*z2)/(4*s12^2*s123*z34) - (5*s14*s23*z2)/(4*s12^2*s124*z34) + 
   (s14*s23*z2)/(s12*s123*s134*z34) + (s14*s23*z2)/(2*s12*s124*s134*z34) - 
   (s23^2*z2)/(4*s12^2*s123*z34) - (s23^2*z2)/(4*s12^2*s124*z34) + 
   (3*z2)/(2*s234*z34) + (2*s13*z2)/(s12*s234*z34) + 
   (s12*z2)/(s134*s234*z34) + (2*s13*z2)/(s134*s234*z34) + 
   (2*s14*z2)/(s12*s234*z34) - (s14*z2)/(2*s123*s234*z34) - 
   (s14*z2)/(s124*s234*z34) - (s13*s14*z2)/(2*s12*s123*s234*z34) - 
   (s13*s14*z2)/(s12*s124*s234*z34) + (2*s14*z2)/(s134*s234*z34) - 
   (s14^2*z2)/(2*s12*s123*s234*z34) - (s14^2*z2)/(s12*s124*s234*z34) + 
   (2*s23*z2)/(s12*s234*z34) + (s23*z2)/(s134*s234*z34) - 
   (s14*s23*z2)/(s12*s123*s234*z34) - (2*s14*s23*z2)/(s12*s124*s234*z34) + 
   (s24*z2)/(s12^2*z34) - (s24*z2)/(4*s12*s123*z34) + 
   (s24*z2)/(4*s12*s124*z34) + (s24*z2)/(s12*s134*z34) + 
   (5*s14*s24*z2)/(4*s12^2*s123*z34) - (5*s14*s24*z2)/(4*s12^2*s124*z34) + 
   (s14*s24*z2)/(s12*s123*s134*z34) + (s14*s24*z2)/(2*s12*s124*s134*z34) - 
   (s23*s24*z2)/(2*s12^2*s123*z34) - (s23*s24*z2)/(2*s12^2*s124*z34) + 
   (2*s24*z2)/(s12*s234*z34) + (s24*z2)/(s134*s234*z34) - 
   (s14*s24*z2)/(s12*s123*s234*z34) - (2*s14*s24*z2)/(s12*s124*s234*z34) - 
   (s24^2*z2)/(4*s12^2*s123*z34) - (s24^2*z2)/(4*s12^2*s124*z34) + 
   z2/(s34*z34) + (2*s13*z2)/(s12*s34*z34) + (s13^2*z2)/(s12^2*s34*z34) + 
   (2*s14*z2)/(s12*s34*z34) + (2*s13*s14*z2)/(s12^2*s34*z34) + 
   (s13*s14*z2)/(4*s12*s123*s34*z34) - (s13*s14*z2)/(4*s12*s124*s34*z34) + 
   (s13^2*s14*z2)/(4*s12^2*s123*s34*z34) - 
   (s13^2*s14*z2)/(4*s12^2*s124*s34*z34) + (s13*s14*z2)/(s123*s134*s34*z34) + 
   (s13*s14*z2)/(2*s124*s134*s34*z34) + (s13^2*s14*z2)/
    (s12*s123*s134*s34*z34) + (s13^2*s14*z2)/(2*s12*s124*s134*s34*z34) + 
   (s14^2*z2)/(s12^2*s34*z34) + (s14^2*z2)/(4*s12*s123*s34*z34) - 
   (s14^2*z2)/(4*s12*s124*s34*z34) + (s13*s14^2*z2)/(2*s12^2*s123*s34*z34) - 
   (s13*s14^2*z2)/(2*s12^2*s124*s34*z34) + (s14^2*z2)/(s123*s134*s34*z34) + 
   (s14^2*z2)/(2*s124*s134*s34*z34) + (2*s13*s14^2*z2)/
    (s12*s123*s134*s34*z34) + (s13*s14^2*z2)/(s12*s124*s134*s34*z34) + 
   (s14^3*z2)/(4*s12^2*s123*s34*z34) - (s14^3*z2)/(4*s12^2*s124*s34*z34) + 
   (s14^3*z2)/(s12*s123*s134*s34*z34) + 
   (s14^3*z2)/(2*s12*s124*s134*s34*z34) + (s23*z2)/(s12*s34*z34) + 
   (s13*s23*z2)/(s12^2*s34*z34) + (s14*s23*z2)/(s12^2*s34*z34) + 
   (3*s14*s23*z2)/(4*s12*s123*s34*z34) - (3*s14*s23*z2)/
    (4*s12*s124*s34*z34) + (s13*s14*s23*z2)/(s12^2*s123*s34*z34) - 
   (s13*s14*s23*z2)/(s12^2*s124*s34*z34) + (s13*s14*s23*z2)/
    (s12*s123*s134*s34*z34) + (s13*s14*s23*z2)/(2*s12*s124*s134*s34*z34) + 
   (s14^2*s23*z2)/(s12^2*s123*s34*z34) - (s14^2*s23*z2)/
    (s12^2*s124*s34*z34) + (s14^2*s23*z2)/(s12*s123*s134*s34*z34) + 
   (s14^2*s23*z2)/(2*s12*s124*s134*s34*z34) + 
   (3*s14*s23^2*z2)/(4*s12^2*s123*s34*z34) - (3*s14*s23^2*z2)/
    (4*s12^2*s124*s34*z34) + (s12*z2)/(2*s234*s34*z34) + 
   (3*s13*z2)/(2*s234*s34*z34) + (s13^2*z2)/(s12*s234*s34*z34) + 
   (s12*s13*z2)/(s134*s234*s34*z34) + (s13^2*z2)/(s134*s234*s34*z34) + 
   (3*s14*z2)/(2*s234*s34*z34) + (2*s13*s14*z2)/(s12*s234*s34*z34) + 
   (s12*s14*z2)/(s134*s234*s34*z34) + (2*s13*s14*z2)/(s134*s234*s34*z34) + 
   (s14^2*z2)/(s12*s234*s34*z34) + (s14^2*z2)/(s134*s234*s34*z34) + 
   (3*s23*z2)/(2*s234*s34*z34) + (2*s13*s23*z2)/(s12*s234*s34*z34) + 
   (s13*s23*z2)/(s134*s234*s34*z34) + (2*s14*s23*z2)/(s12*s234*s34*z34) - 
   (s14*s23*z2)/(2*s123*s234*s34*z34) - (s14*s23*z2)/(s124*s234*s34*z34) - 
   (s13*s14*s23*z2)/(2*s12*s123*s234*s34*z34) - 
   (s13*s14*s23*z2)/(s12*s124*s234*s34*z34) + 
   (s14*s23*z2)/(s134*s234*s34*z34) - (s14^2*s23*z2)/
    (2*s12*s123*s234*s34*z34) - (s14^2*s23*z2)/(s12*s124*s234*s34*z34) + 
   (s23^2*z2)/(s12*s234*s34*z34) - (s14*s23^2*z2)/(2*s12*s123*s234*s34*z34) - 
   (s14*s23^2*z2)/(s12*s124*s234*s34*z34) + (s24*z2)/(s12*s34*z34) + 
   (s13*s24*z2)/(s12^2*s34*z34) + (s14*s24*z2)/(s12^2*s34*z34) + 
   (3*s14*s24*z2)/(4*s12*s123*s34*z34) - (3*s14*s24*z2)/
    (4*s12*s124*s34*z34) + (s13*s14*s24*z2)/(s12^2*s123*s34*z34) - 
   (s13*s14*s24*z2)/(s12^2*s124*s34*z34) + (s13*s14*s24*z2)/
    (s12*s123*s134*s34*z34) + (s13*s14*s24*z2)/(2*s12*s124*s134*s34*z34) + 
   (s14^2*s24*z2)/(s12^2*s123*s34*z34) - (s14^2*s24*z2)/
    (s12^2*s124*s34*z34) + (s14^2*s24*z2)/(s12*s123*s134*s34*z34) + 
   (s14^2*s24*z2)/(2*s12*s124*s134*s34*z34) + (3*s14*s23*s24*z2)/
    (2*s12^2*s123*s34*z34) - (3*s14*s23*s24*z2)/(2*s12^2*s124*s34*z34) + 
   (3*s24*z2)/(2*s234*s34*z34) + (2*s13*s24*z2)/(s12*s234*s34*z34) + 
   (s13*s24*z2)/(s134*s234*s34*z34) + (2*s14*s24*z2)/(s12*s234*s34*z34) - 
   (s14*s24*z2)/(2*s123*s234*s34*z34) - (s14*s24*z2)/(s124*s234*s34*z34) - 
   (s13*s14*s24*z2)/(2*s12*s123*s234*s34*z34) - 
   (s13*s14*s24*z2)/(s12*s124*s234*s34*z34) + 
   (s14*s24*z2)/(s134*s234*s34*z34) - (s14^2*s24*z2)/
    (2*s12*s123*s234*s34*z34) - (s14^2*s24*z2)/(s12*s124*s234*s34*z34) + 
   (2*s23*s24*z2)/(s12*s234*s34*z34) - (s14*s23*s24*z2)/
    (s12*s123*s234*s34*z34) - (2*s14*s23*s24*z2)/(s12*s124*s234*s34*z34) + 
   (3*s14*s24^2*z2)/(4*s12^2*s123*s34*z34) - (3*s14*s24^2*z2)/
    (4*s12^2*s124*s34*z34) + (s24^2*z2)/(s12*s234*s34*z34) - 
   (s14*s24^2*z2)/(2*s12*s123*s234*s34*z34) - 
   (s14*s24^2*z2)/(s12*s124*s234*s34*z34) + (s34*z2)/(s12^2*z34) + 
   (s34*z2)/(2*s12*s124*z34) + (s13*s34*z2)/(4*s12^2*s123*z34) + 
   (s13*s34*z2)/(4*s12^2*s124*z34) + (s34*z2)/(s12*s134*z34) + 
   (3*s14*s34*z2)/(4*s12^2*s123*z34) - (s14*s34*z2)/(4*s12^2*s124*z34) + 
   (s14*s34*z2)/(s12*s123*s134*z34) + (s14*s34*z2)/(2*s12*s124*s134*z34) - 
   (s23*s34*z2)/(4*s12^2*s123*z34) - (s23*s34*z2)/(4*s12^2*s124*z34) + 
   (s34*z2)/(s12*s234*z34) + (s34*z2)/(s134*s234*z34) - 
   (s14*s34*z2)/(2*s12*s123*s234*z34) - (s14*s34*z2)/(s12*s124*s234*z34) - 
   (s24*s34*z2)/(4*s12^2*s123*z34) - (s24*s34*z2)/(4*s12^2*s124*z34) + 
   (2*s13*z1^2*z2)/(s12^2*z12^2*z34) + (2*s14*z1^2*z2)/(s12^2*z12^2*z34) + 
   (2*s23*z1^2*z2)/(s12^2*z12^2*z34) + (2*s24*z1^2*z2)/(s12^2*z12^2*z34) - 
   (2*z1^2*z2)/(s34*z12^2*z34) - (2*s13*z1^2*z2)/(s12*s34*z12^2*z34) - 
   (2*s14*z1^2*z2)/(s12*s34*z12^2*z34) - (2*s23*z1^2*z2)/
    (s12*s34*z12^2*z34) - (2*s24*z1^2*z2)/(s12*s34*z12^2*z34) + 
   (2*s34*z1^2*z2)/(s12^2*z12^2*z34) - (3*z1*z2)/(s12*z12*z34) - 
   (z1*z2)/(2*s123*z12*z34) - (z1*z2)/(2*s124*z12*z34) - 
   (4*s13*z1*z2)/(s12^2*z12*z34) - (3*s13*z1*z2)/(4*s12*s123*z12*z34) - 
   (3*s13*z1*z2)/(4*s12*s124*z12*z34) - (s13^2*z1*z2)/
    (4*s12^2*s123*z12*z34) - (s13^2*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (z1*z2)/(2*s134*z12*z34) - (2*s13*z1*z2)/(s12*s134*z12*z34) - 
   (4*s14*z1*z2)/(s12^2*z12*z34) - (5*s14*z1*z2)/(4*s12*s123*z12*z34) - 
   (s14*z1*z2)/(4*s12*s124*z12*z34) - (5*s13*s14*z1*z2)/
    (4*s12^2*s123*z12*z34) + (s13*s14*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (2*s14*z1*z2)/(s12*s134*z12*z34) - (s14^2*z1*z2)/(s12^2*s123*z12*z34) + 
   (s14^2*z1*z2)/(2*s12^2*s124*z12*z34) - (4*s23*z1*z2)/(s12^2*z12*z34) - 
   (3*s23*z1*z2)/(4*s12*s123*z12*z34) - (3*s23*z1*z2)/(4*s12*s124*z12*z34) - 
   (s13*s23*z1*z2)/(2*s12^2*s123*z12*z34) - (s13*s23*z1*z2)/
    (2*s12^2*s124*z12*z34) - (3*s23*z1*z2)/(2*s12*s134*z12*z34) - 
   (5*s14*s23*z1*z2)/(4*s12^2*s123*z12*z34) + 
   (s14*s23*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (s23^2*z1*z2)/(4*s12^2*s123*z12*z34) - 
   (s23^2*z1*z2)/(4*s12^2*s124*z12*z34) - (3*z1*z2)/(2*s234*z12*z34) - 
   (2*s13*z1*z2)/(s12*s234*z12*z34) - (2*s14*z1*z2)/(s12*s234*z12*z34) - 
   (5*s23*z1*z2)/(2*s12*s234*z12*z34) - (4*s24*z1*z2)/(s12^2*z12*z34) - 
   (5*s24*z1*z2)/(4*s12*s123*z12*z34) - (s24*z1*z2)/(4*s12*s124*z12*z34) - 
   (5*s13*s24*z1*z2)/(4*s12^2*s123*z12*z34) + 
   (s13*s24*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (3*s24*z1*z2)/(2*s12*s134*z12*z34) - (2*s14*s24*z1*z2)/
    (s12^2*s123*z12*z34) + (s14*s24*z1*z2)/(s12^2*s124*z12*z34) - 
   (5*s23*s24*z1*z2)/(4*s12^2*s123*z12*z34) + 
   (s23*s24*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (5*s24*z1*z2)/(2*s12*s234*z12*z34) - (s24^2*z1*z2)/(s12^2*s123*z12*z34) + 
   (s24^2*z1*z2)/(2*s12^2*s124*z12*z34) - (s13*z1*z2)/(s12*s34*z12*z34) - 
   (s13^2*z1*z2)/(s12^2*s34*z12*z34) + (s12*z1*z2)/(s134*s34*z12*z34) + 
   (s13*z1*z2)/(2*s134*s34*z12*z34) - (s13^2*z1*z2)/
    (2*s12*s134*s34*z12*z34) - (s14*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s14*z1*z2)/(s12^2*s34*z12*z34) - (s13*s14*z1*z2)/
    (4*s12*s123*s34*z12*z34) + (s13*s14*z1*z2)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s14*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s14*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (s14*z1*z2)/(2*s134*s34*z12*z34) - (s13*s14*z1*z2)/
    (s12*s134*s34*z12*z34) - (s14^2*z1*z2)/(s12^2*s34*z12*z34) - 
   (s14^2*z1*z2)/(4*s12*s123*s34*z12*z34) + 
   (s14^2*z1*z2)/(4*s12*s124*s34*z12*z34) - (s13*s14^2*z1*z2)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s14^2*z1*z2)/
    (2*s12^2*s124*s34*z12*z34) - (s14^2*z1*z2)/(2*s12*s134*s34*z12*z34) - 
   (s14^3*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^3*z1*z2)/(4*s12^2*s124*s34*z12*z34) - (s23*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s23*z1*z2)/(s12^2*s34*z12*z34) + (s23*z1*z2)/(s134*s34*z12*z34) - 
   (s13*s23*z1*z2)/(2*s12*s134*s34*z12*z34) - 
   (2*s14*s23*z1*z2)/(s12^2*s34*z12*z34) - (s14*s23*z1*z2)/
    (4*s12*s123*s34*z12*z34) + (s14*s23*z1*z2)/(4*s12*s124*s34*z12*z34) - 
   (s13*s14*s23*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14*s23*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (s14*s23*z1*z2)/(2*s12*s134*s34*z12*z34) - 
   (s14^2*s23*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (s14^2*s23*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (s23^2*z1*z2)/(s12^2*s34*z12*z34) - (s14*s23^2*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) + (s14*s23^2*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) - (s13*z1*z2)/(2*s234*s34*z12*z34) - 
   (s13^2*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (s14*z1*z2)/(2*s234*s34*z12*z34) - (s13*s14*z1*z2)/
    (s12*s234*s34*z12*z34) - (s14^2*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (s23*z1*z2)/(s234*s34*z12*z34) - (3*s13*s23*z1*z2)/
    (2*s12*s234*s34*z12*z34) - (3*s14*s23*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (s23^2*z1*z2)/(s12*s234*s34*z12*z34) - (s24*z1*z2)/(s12*s34*z12*z34) - 
   (2*s13*s24*z1*z2)/(s12^2*s34*z12*z34) - (s13*s24*z1*z2)/
    (4*s12*s123*s34*z12*z34) + (s13*s24*z1*z2)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s24*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z1*z2)/(4*s12^2*s124*s34*z12*z34) + 
   (s24*z1*z2)/(s134*s34*z12*z34) - (s13*s24*z1*z2)/
    (2*s12*s134*s34*z12*z34) - (2*s14*s24*z1*z2)/(s12^2*s34*z12*z34) - 
   (s14*s24*z1*z2)/(2*s12*s123*s34*z12*z34) + 
   (s14*s24*z1*z2)/(2*s12*s124*s34*z12*z34) - (s13*s14*s24*z1*z2)/
    (s12^2*s123*s34*z12*z34) + (s13*s14*s24*z1*z2)/(s12^2*s124*s34*z12*z34) - 
   (s14*s24*z1*z2)/(2*s12*s134*s34*z12*z34) - (3*s14^2*s24*z1*z2)/
    (4*s12^2*s123*s34*z12*z34) + (3*s14^2*s24*z1*z2)/
    (4*s12^2*s124*s34*z12*z34) - (2*s23*s24*z1*z2)/(s12^2*s34*z12*z34) - 
   (s23*s24*z1*z2)/(4*s12*s123*s34*z12*z34) + 
   (s23*s24*z1*z2)/(4*s12*s124*s34*z12*z34) - (s13*s23*s24*z1*z2)/
    (2*s12^2*s123*s34*z12*z34) + (s13*s23*s24*z1*z2)/
    (2*s12^2*s124*s34*z12*z34) - (s14*s23*s24*z1*z2)/
    (s12^2*s123*s34*z12*z34) + (s14*s23*s24*z1*z2)/(s12^2*s124*s34*z12*z34) - 
   (s23^2*s24*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s23^2*s24*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s24*z1*z2)/(s234*s34*z12*z34) - (3*s13*s24*z1*z2)/
    (2*s12*s234*s34*z12*z34) - (3*s14*s24*z1*z2)/(2*s12*s234*s34*z12*z34) - 
   (2*s23*s24*z1*z2)/(s12*s234*s34*z12*z34) - 
   (s24^2*z1*z2)/(s12^2*s34*z12*z34) - (s24^2*z1*z2)/
    (4*s12*s123*s34*z12*z34) + (s24^2*z1*z2)/(4*s12*s124*s34*z12*z34) - 
   (s13*s24^2*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s24^2*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (3*s14*s24^2*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (3*s14*s24^2*z1*z2)/(4*s12^2*s124*s34*z12*z34) - 
   (s23*s24^2*z1*z2)/(2*s12^2*s123*s34*z12*z34) + 
   (s23*s24^2*z1*z2)/(2*s12^2*s124*s34*z12*z34) - 
   (s24^2*z1*z2)/(s12*s234*s34*z12*z34) - 
   (s24^3*z1*z2)/(4*s12^2*s123*s34*z12*z34) + 
   (s24^3*z1*z2)/(4*s12^2*s124*s34*z12*z34) - (3*s34*z1*z2)/(s12^2*z12*z34) - 
   (s34*z1*z2)/(2*s12*s123*z12*z34) - (s34*z1*z2)/(2*s12*s124*z12*z34) - 
   (s13*s34*z1*z2)/(4*s12^2*s123*z12*z34) - (s13*s34*z1*z2)/
    (4*s12^2*s124*z12*z34) - (3*s34*z1*z2)/(2*s12*s134*z12*z34) - 
   (3*s14*s34*z1*z2)/(4*s12^2*s123*z12*z34) + 
   (s14*s34*z1*z2)/(4*s12^2*s124*z12*z34) - (s23*s34*z1*z2)/
    (4*s12^2*s123*z12*z34) - (s23*s34*z1*z2)/(4*s12^2*s124*z12*z34) - 
   (3*s34*z1*z2)/(2*s12*s234*z12*z34) - (3*s24*s34*z1*z2)/
    (4*s12^2*s123*z12*z34) + (s24*s34*z1*z2)/(4*s12^2*s124*z12*z34) + 
   (2*s13*z1*z2^2)/(s12^2*z12^2*z34) + (2*s14*z1*z2^2)/(s12^2*z12^2*z34) + 
   (2*s23*z1*z2^2)/(s12^2*z12^2*z34) + (2*s24*z1*z2^2)/(s12^2*z12^2*z34) - 
   (2*z1*z2^2)/(s34*z12^2*z34) - (2*s13*z1*z2^2)/(s12*s34*z12^2*z34) - 
   (2*s14*z1*z2^2)/(s12*s34*z12^2*z34) - (2*s23*z1*z2^2)/
    (s12*s34*z12^2*z34) - (2*s24*z1*z2^2)/(s12*s34*z12^2*z34) + 
   (2*s34*z1*z2^2)/(s12^2*z12^2*z34) + z2^2/(s12*z12*z34) + 
   z2^2/(2*s123*z12*z34) + z2^2/(2*s124*z12*z34) + 
   (3*s13*z2^2)/(4*s12*s123*z12*z34) + (3*s13*z2^2)/(4*s12*s124*z12*z34) + 
   (s13^2*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s13^2*z2^2)/(4*s12^2*s124*z12*z34) - z2^2/(2*s134*z12*z34) - 
   (s13*z2^2)/(s12*s134*z12*z34) + (5*s14*z2^2)/(4*s12*s123*z12*z34) + 
   (s14*z2^2)/(4*s12*s124*z12*z34) + (5*s13*s14*z2^2)/
    (4*s12^2*s123*z12*z34) - (s13*s14*z2^2)/(4*s12^2*s124*z12*z34) - 
   (s14*z2^2)/(s12*s134*z12*z34) + (s14^2*z2^2)/(s12^2*s123*z12*z34) - 
   (s14^2*z2^2)/(2*s12^2*s124*z12*z34) - (s23*z2^2)/(s12^2*z12*z34) + 
   (3*s23*z2^2)/(4*s12*s123*z12*z34) + (3*s23*z2^2)/(4*s12*s124*z12*z34) + 
   (s13*s23*z2^2)/(2*s12^2*s123*z12*z34) + 
   (s13*s23*z2^2)/(2*s12^2*s124*z12*z34) - (s23*z2^2)/(2*s12*s134*z12*z34) + 
   (5*s14*s23*z2^2)/(4*s12^2*s123*z12*z34) - 
   (s14*s23*z2^2)/(4*s12^2*s124*z12*z34) + 
   (s23^2*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s23^2*z2^2)/(4*s12^2*s124*z12*z34) + z2^2/(2*s234*z12*z34) - 
   (s23*z2^2)/(2*s12*s234*z12*z34) - (s24*z2^2)/(s12^2*z12*z34) + 
   (3*s24*z2^2)/(4*s12*s123*z12*z34) + (3*s24*z2^2)/(4*s12*s124*z12*z34) + 
   (s13*s24*z2^2)/(2*s12^2*s123*z12*z34) + 
   (s13*s24*z2^2)/(2*s12^2*s124*z12*z34) - (s24*z2^2)/(2*s12*s134*z12*z34) + 
   (5*s14*s24*z2^2)/(4*s12^2*s123*z12*z34) - 
   (s14*s24*z2^2)/(4*s12^2*s124*z12*z34) + 
   (s23*s24*z2^2)/(2*s12^2*s123*z12*z34) + 
   (s23*s24*z2^2)/(2*s12^2*s124*z12*z34) - (s24*z2^2)/(2*s12*s234*z12*z34) + 
   (s24^2*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s24^2*z2^2)/(4*s12^2*s124*z12*z34) + (2*z2^2)/(s34*z12*z34) + 
   (3*s13*z2^2)/(s12*s34*z12*z34) + (s13^2*z2^2)/(s12^2*s34*z12*z34) - 
   (s13*z2^2)/(2*s134*s34*z12*z34) - (s13^2*z2^2)/(2*s12*s134*s34*z12*z34) + 
   (3*s14*z2^2)/(s12*s34*z12*z34) + (2*s13*s14*z2^2)/(s12^2*s34*z12*z34) + 
   (s13*s14*z2^2)/(4*s12*s123*s34*z12*z34) - 
   (s13*s14*z2^2)/(4*s12*s124*s34*z12*z34) + (s13^2*s14*z2^2)/
    (4*s12^2*s123*s34*z12*z34) - (s13^2*s14*z2^2)/
    (4*s12^2*s124*s34*z12*z34) - (s14*z2^2)/(2*s134*s34*z12*z34) - 
   (s13*s14*z2^2)/(s12*s134*s34*z12*z34) + (s14^2*z2^2)/(s12^2*s34*z12*z34) + 
   (s14^2*z2^2)/(4*s12*s123*s34*z12*z34) - 
   (s14^2*z2^2)/(4*s12*s124*s34*z12*z34) + (s13*s14^2*z2^2)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s14^2*z2^2)/
    (2*s12^2*s124*s34*z12*z34) - (s14^2*z2^2)/(2*s12*s134*s34*z12*z34) + 
   (s14^3*z2^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^3*z2^2)/(4*s12^2*s124*s34*z12*z34) + (2*s23*z2^2)/(s12*s34*z12*z34) + 
   (s13*s23*z2^2)/(s12^2*s34*z12*z34) - (s13*s23*z2^2)/
    (2*s12*s134*s34*z12*z34) + (s14*s23*z2^2)/(s12^2*s34*z12*z34) + 
   (s14*s23*z2^2)/(4*s12*s123*s34*z12*z34) - 
   (s14*s23*z2^2)/(4*s12*s124*s34*z12*z34) + (s13*s14*s23*z2^2)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s14*s23*z2^2)/
    (2*s12^2*s124*s34*z12*z34) - (s14*s23*z2^2)/(2*s12*s134*s34*z12*z34) + 
   (s14^2*s23*z2^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s14^2*s23*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s23^2*z2^2)/(4*s12^2*s123*s34*z12*z34) - 
   (s14*s23^2*z2^2)/(4*s12^2*s124*s34*z12*z34) + 
   (s12*z2^2)/(s234*s34*z12*z34) + (3*s13*z2^2)/(2*s234*s34*z12*z34) + 
   (s13^2*z2^2)/(2*s12*s234*s34*z12*z34) + 
   (3*s14*z2^2)/(2*s234*s34*z12*z34) + (s13*s14*z2^2)/
    (s12*s234*s34*z12*z34) + (s14^2*z2^2)/(2*s12*s234*s34*z12*z34) + 
   (s23*z2^2)/(s234*s34*z12*z34) + (s13*s23*z2^2)/(2*s12*s234*s34*z12*z34) + 
   (s14*s23*z2^2)/(2*s12*s234*s34*z12*z34) + (2*s24*z2^2)/(s12*s34*z12*z34) + 
   (s13*s24*z2^2)/(s12^2*s34*z12*z34) - (s13*s24*z2^2)/
    (2*s12*s134*s34*z12*z34) + (s14*s24*z2^2)/(s12^2*s34*z12*z34) + 
   (s14*s24*z2^2)/(4*s12*s123*s34*z12*z34) - 
   (s14*s24*z2^2)/(4*s12*s124*s34*z12*z34) + (s13*s14*s24*z2^2)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s14*s24*z2^2)/
    (2*s12^2*s124*s34*z12*z34) - (s14*s24*z2^2)/(2*s12*s134*s34*z12*z34) + 
   (s14^2*s24*z2^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s14^2*s24*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s23*s24*z2^2)/(2*s12^2*s123*s34*z12*z34) - 
   (s14*s23*s24*z2^2)/(2*s12^2*s124*s34*z12*z34) + 
   (s24*z2^2)/(s234*s34*z12*z34) + (s13*s24*z2^2)/(2*s12*s234*s34*z12*z34) + 
   (s14*s24*z2^2)/(2*s12*s234*s34*z12*z34) + (s14*s24^2*z2^2)/
    (4*s12^2*s123*s34*z12*z34) - (s14*s24^2*z2^2)/
    (4*s12^2*s124*s34*z12*z34) - (s34*z2^2)/(s12^2*z12*z34) + 
   (s34*z2^2)/(2*s12*s123*z12*z34) + (s34*z2^2)/(2*s12*s124*z12*z34) + 
   (s13*s34*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s13*s34*z2^2)/(4*s12^2*s124*z12*z34) - (s34*z2^2)/(2*s12*s134*z12*z34) + 
   (3*s14*s34*z2^2)/(4*s12^2*s123*z12*z34) - 
   (s14*s34*z2^2)/(4*s12^2*s124*z12*z34) + 
   (s23*s34*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s23*s34*z2^2)/(4*s12^2*s124*z12*z34) - (s34*z2^2)/(2*s12*s234*z12*z34) + 
   (s24*s34*z2^2)/(4*s12^2*s123*z12*z34) + 
   (s24*s34*z2^2)/(4*s12^2*s124*z12*z34) - (s14*z3)/(2*s12*s124*z34) - 
   (s24*z3)/(s12^2*z34) - (s24*z3)/(2*s12*s124*z34) - 
   (s13*s24*z3)/(4*s12^2*s123*z34) - (s13*s24*z3)/(4*s12^2*s124*z34) - 
   (s24*z3)/(s12*s134*z34) - (s14*s24*z3)/(4*s12^2*s123*z34) - 
   (s14*s24*z3)/(4*s12^2*s124*z34) + (s23*s24*z3)/(4*s12^2*s123*z34) + 
   (s23*s24*z3)/(4*s12^2*s124*z34) - (s24*z3)/(s12*s234*z34) - 
   (s24*z3)/(s134*s234*z34) + (s24^2*z3)/(4*s12^2*s123*z34) + 
   (s24^2*z3)/(4*s12^2*s124*z34) - (s14*z3)/(s34^2*z34) - 
   (s13*s14*z3)/(s12*s34^2*z34) - (s12*s14*z3)/(2*s134*s34^2*z34) - 
   (s13*s14*z3)/(2*s134*s34^2*z34) - (s14^2*z3)/(s12*s34^2*z34) - 
   (s14^2*z3)/(2*s134*s34^2*z34) + (s13*s14*s23*z3)/(s12^2*s34^2*z34) + 
   (s13*s14*s23*z3)/(2*s12*s134*s34^2*z34) + 
   (s14^2*s23*z3)/(s12^2*s34^2*z34) + (s14^2*s23*z3)/(2*s12*s134*s34^2*z34) + 
   (s14*s23^2*z3)/(s12^2*s34^2*z34) + (s14*s23^2*z3)/(2*s12*s134*s34^2*z34) + 
   (s14*s23*z3)/(2*s234*s34^2*z34) + (s13*s14*s23*z3)/
    (2*s12*s234*s34^2*z34) + (s14^2*s23*z3)/(2*s12*s234*s34^2*z34) + 
   (s14*s23^2*z3)/(2*s12*s234*s34^2*z34) - (s24*z3)/(s34^2*z34) - 
   (2*s13*s24*z3)/(s12*s34^2*z34) - (s13^2*s24*z3)/(s12^2*s34^2*z34) - 
   (2*s14*s24*z3)/(s12*s34^2*z34) - (s13*s14*s24*z3)/(s12^2*s34^2*z34) + 
   (s13*s14*s24*z3)/(2*s12*s134*s34^2*z34) + 
   (s14^2*s24*z3)/(2*s12*s134*s34^2*z34) - (s23*s24*z3)/(s12*s34^2*z34) - 
   (s13*s23*s24*z3)/(s12^2*s34^2*z34) + (s14*s23*s24*z3)/(s12^2*s34^2*z34) + 
   (s14*s23*s24*z3)/(s12*s134*s34^2*z34) - (s12*s24*z3)/(2*s234*s34^2*z34) - 
   (3*s13*s24*z3)/(2*s234*s34^2*z34) - (s13^2*s24*z3)/(s12*s234*s34^2*z34) - 
   (s12*s13*s24*z3)/(s134*s234*s34^2*z34) - 
   (s13^2*s24*z3)/(s134*s234*s34^2*z34) - (s14*s24*z3)/(s234*s34^2*z34) - 
   (3*s13*s14*s24*z3)/(2*s12*s234*s34^2*z34) - 
   (s12*s14*s24*z3)/(s134*s234*s34^2*z34) - (2*s13*s14*s24*z3)/
    (s134*s234*s34^2*z34) - (s14^2*s24*z3)/(2*s12*s234*s34^2*z34) - 
   (s14^2*s24*z3)/(s134*s234*s34^2*z34) - (3*s23*s24*z3)/(2*s234*s34^2*z34) - 
   (2*s13*s23*s24*z3)/(s12*s234*s34^2*z34) - (s13*s23*s24*z3)/
    (s134*s234*s34^2*z34) - (s14*s23*s24*z3)/(s12*s234*s34^2*z34) - 
   (s14*s23*s24*z3)/(s134*s234*s34^2*z34) - 
   (s23^2*s24*z3)/(s12*s234*s34^2*z34) - (s24^2*z3)/(s12*s34^2*z34) - 
   (s13*s24^2*z3)/(s12^2*s34^2*z34) + (s14*s24^2*z3)/(2*s12*s134*s34^2*z34) - 
   (3*s24^2*z3)/(2*s234*s34^2*z34) - (2*s13*s24^2*z3)/(s12*s234*s34^2*z34) - 
   (s13*s24^2*z3)/(s134*s234*s34^2*z34) - (3*s14*s24^2*z3)/
    (2*s12*s234*s34^2*z34) - (s14*s24^2*z3)/(s134*s234*s34^2*z34) - 
   (2*s23*s24^2*z3)/(s12*s234*s34^2*z34) - (s24^3*z3)/(s12*s234*s34^2*z34) - 
   (s14*z3)/(s12*s34*z34) - (s14*z3)/(2*s124*s34*z34) - 
   (s13*s14*z3)/(2*s12*s124*s34*z34) - (s14*z3)/(2*s134*s34*z34) - 
   (s14^2*z3)/(2*s12*s124*s34*z34) + (s14*s23*z3)/(s12^2*s34*z34) - 
   (s14*s23*z3)/(2*s12*s124*s34*z34) + (s14*s23*z3)/(2*s12*s134*s34*z34) + 
   (s14*s23*z3)/(2*s12*s234*s34*z34) - (2*s24*z3)/(s12*s34*z34) - 
   (s24*z3)/(2*s124*s34*z34) - (2*s13*s24*z3)/(s12^2*s34*z34) - 
   (s13*s24*z3)/(4*s12*s123*s34*z34) - (3*s13*s24*z3)/(4*s12*s124*s34*z34) - 
   (s13^2*s24*z3)/(4*s12^2*s123*s34*z34) - 
   (s13^2*s24*z3)/(4*s12^2*s124*s34*z34) - (s24*z3)/(s134*s34*z34) - 
   (s13*s24*z3)/(s12*s134*s34*z34) - (s14*s24*z3)/(s12^2*s34*z34) - 
   (s14*s24*z3)/(4*s12*s123*s34*z34) - (5*s14*s24*z3)/(4*s12*s124*s34*z34) - 
   (s13*s14*s24*z3)/(2*s12^2*s123*s34*z34) - (s13*s14*s24*z3)/
    (2*s12^2*s124*s34*z34) - (s14*s24*z3)/(2*s12*s134*s34*z34) - 
   (s14^2*s24*z3)/(4*s12^2*s123*s34*z34) - 
   (s14^2*s24*z3)/(4*s12^2*s124*s34*z34) - (s23*s24*z3)/(s12^2*s34*z34) + 
   (s23*s24*z3)/(4*s12*s123*s34*z34) - (s23*s24*z3)/(4*s12*s124*s34*z34) - 
   (s23*s24*z3)/(s12*s134*s34*z34) + (s23^2*s24*z3)/(4*s12^2*s123*s34*z34) + 
   (s23^2*s24*z3)/(4*s12^2*s124*s34*z34) - (3*s24*z3)/(2*s234*s34*z34) - 
   (2*s13*s24*z3)/(s12*s234*s34*z34) - (s12*s24*z3)/(s134*s234*s34*z34) - 
   (2*s13*s24*z3)/(s134*s234*s34*z34) - (3*s14*s24*z3)/(2*s12*s234*s34*z34) - 
   (2*s14*s24*z3)/(s134*s234*s34*z34) - (2*s23*s24*z3)/(s12*s234*s34*z34) - 
   (s23*s24*z3)/(s134*s234*s34*z34) - (s24^2*z3)/(s12^2*s34*z34) + 
   (s24^2*z3)/(4*s12*s123*s34*z34) - (s24^2*z3)/(4*s12*s124*s34*z34) - 
   (s24^2*z3)/(s12*s134*s34*z34) + (s23*s24^2*z3)/(2*s12^2*s123*s34*z34) + 
   (s23*s24^2*z3)/(2*s12^2*s124*s34*z34) - (2*s24^2*z3)/(s12*s234*s34*z34) - 
   (s24^2*z3)/(s134*s234*s34*z34) + (s24^3*z3)/(4*s12^2*s123*s34*z34) + 
   (s24^3*z3)/(4*s12^2*s124*s34*z34) - (z1*z3)/(s12*z12*z34) + 
   (s24*z1*z3)/(s12^2*z12*z34) + (s24*z1*z3)/(2*s12*s123*z12*z34) + 
   (s24*z1*z3)/(2*s12*s124*z12*z34) + (s13*s24*z1*z3)/
    (4*s12^2*s123*z12*z34) + (s13*s24*z1*z3)/(4*s12^2*s124*z12*z34) + 
   (s24*z1*z3)/(2*s12*s134*z12*z34) + (s14*s24*z1*z3)/
    (4*s12^2*s123*z12*z34) + (s14*s24*z1*z3)/(4*s12^2*s124*z12*z34) + 
   (s23*s24*z1*z3)/(4*s12^2*s123*z12*z34) + (s23*s24*z1*z3)/
    (4*s12^2*s124*z12*z34) + (s24*z1*z3)/(2*s12*s234*z12*z34) + 
   (s24^2*z1*z3)/(4*s12^2*s123*z12*z34) + 
   (s24^2*z1*z3)/(4*s12^2*s124*z12*z34) - (s14*s23*z1*z3)/
    (s12*s34^2*z12*z34) - (s13*s14*s23*z1*z3)/(s12^2*s34^2*z12*z34) - 
   (s14^2*s23*z1*z3)/(s12^2*s34^2*z12*z34) - (s14*s23^2*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s24*z1*z3)/(s34^2*z12*z34) + 
   (2*s13*s24*z1*z3)/(s12*s34^2*z12*z34) + (s13^2*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s13*s24*z1*z3)/(4*s134*s34^2*z12*z34) + 
   (s13^2*s24*z1*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s14*s24*z1*z3)/(s12*s34^2*z12*z34) + (s13*s14*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s14*s24*z1*z3)/(4*s134*s34^2*z12*z34) + 
   (s13*s14*s24*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*s24*z1*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s23*s24*z1*z3)/(s12*s34^2*z12*z34) + (s13*s23*s24*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s23*s24*z1*z3)/(4*s134*s34^2*z12*z34) + 
   (s13*s23*s24*z1*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s23*s24*z1*z3)/(s12^2*s34^2*z12*z34) + (s14*s23*s24*z1*z3)/
    (2*s12*s134*s34^2*z12*z34) + (s23^2*s24*z1*z3)/
    (4*s12*s134*s34^2*z12*z34) + (s13*s24*z1*z3)/(4*s234*s34^2*z12*z34) + 
   (s13^2*s24*z1*z3)/(4*s12*s234*s34^2*z12*z34) + 
   (s14*s24*z1*z3)/(4*s234*s34^2*z12*z34) + (s13*s14*s24*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s24*z1*z3)/
    (4*s12*s234*s34^2*z12*z34) + (s23*s24*z1*z3)/(4*s234*s34^2*z12*z34) + 
   (s13*s23*s24*z1*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s23*s24*z1*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s23^2*s24*z1*z3)/(4*s12*s234*s34^2*z12*z34) + 
   (s24^2*z1*z3)/(s12*s34^2*z12*z34) + (s13*s24^2*z1*z3)/
    (s12^2*s34^2*z12*z34) + (s24^2*z1*z3)/(4*s134*s34^2*z12*z34) + 
   (s13*s24^2*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s24^2*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s23*s24^2*z1*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s24^2*z1*z3)/(4*s234*s34^2*z12*z34) + (s13*s24^2*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s24^2*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s23*s24^2*z1*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s24^3*z1*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s24^3*z1*z3)/(4*s12*s234*s34^2*z12*z34) - (z1*z3)/(s34*z12*z34) - 
   (s13*z1*z3)/(s12*s34*z12*z34) - (s14*z1*z3)/(s12*s34*z12*z34) - 
   (s23*z1*z3)/(s12*s34*z12*z34) - (s14*s23*z1*z3)/(s12^2*s34*z12*z34) + 
   (s24*z1*z3)/(s12*s34*z12*z34) + (s24*z1*z3)/(2*s123*s34*z12*z34) + 
   (s24*z1*z3)/(2*s124*s34*z12*z34) + (2*s13*s24*z1*z3)/(s12^2*s34*z12*z34) + 
   (3*s13*s24*z1*z3)/(4*s12*s123*s34*z12*z34) + 
   (3*s13*s24*z1*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z1*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s24*z1*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s24*z1*z3)/(2*s134*s34*z12*z34) + (3*s13*s24*z1*z3)/
    (4*s12*s134*s34*z12*z34) + (s14*s24*z1*z3)/(s12^2*s34*z12*z34) + 
   (3*s14*s24*z1*z3)/(4*s12*s123*s34*z12*z34) + 
   (3*s14*s24*z1*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14*s24*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s14*s24*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s14*s24*z1*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14^2*s24*z1*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s14^2*s24*z1*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s23*s24*z1*z3)/(s12^2*s34*z12*z34) + (3*s23*s24*z1*z3)/
    (4*s12*s123*s34*z12*z34) + (3*s23*s24*z1*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13*s23*s24*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s23*s24*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s23*s24*z1*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14*s23*s24*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s23*s24*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s23^2*s24*z1*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s23^2*s24*z1*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s24*z1*z3)/(2*s234*s34*z12*z34) + (3*s13*s24*z1*z3)/
    (4*s12*s234*s34*z12*z34) + (3*s14*s24*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (3*s23*s24*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (s24^2*z1*z3)/(s12^2*s34*z12*z34) + (3*s24^2*z1*z3)/
    (4*s12*s123*s34*z12*z34) + (3*s24^2*z1*z3)/(4*s12*s124*s34*z12*z34) + 
   (s13*s24^2*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s24^2*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s24^2*z1*z3)/(4*s12*s134*s34*z12*z34) + 
   (s14*s24^2*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s14*s24^2*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s23*s24^2*z1*z3)/(2*s12^2*s123*s34*z12*z34) + 
   (s23*s24^2*z1*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (3*s24^2*z1*z3)/(4*s12*s234*s34*z12*z34) + 
   (s24^3*z1*z3)/(4*s12^2*s123*s34*z12*z34) + 
   (s24^3*z1*z3)/(4*s12^2*s124*s34*z12*z34) - 
   (2*s14*z1*z2*z3)/(s12^2*z12^2*z34) - (2*s24*z1*z2*z3)/(s12^2*z12^2*z34) + 
   (2*s14*z1*z2*z3)/(s34^2*z12^2*z34) + (2*s13*s14*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) + (2*s14^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (2*s14*s23*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (2*s24*z1*z2*z3)/(s34^2*z12^2*z34) + (2*s13*s24*z1*z2*z3)/
    (s12*s34^2*z12^2*z34) + (4*s14*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (2*s23*s24*z1*z2*z3)/(s12*s34^2*z12^2*z34) + 
   (2*s24^2*z1*z2*z3)/(s12*s34^2*z12^2*z34) - (2*s13*s14*z1*z2*z3)/
    (s12^2*s34*z12^2*z34) - (2*s14^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (2*s14*s23*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (2*s13*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (4*s14*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (2*s23*s24*z1*z2*z3)/(s12^2*s34*z12^2*z34) - 
   (2*s24^2*z1*z2*z3)/(s12^2*s34*z12^2*z34) - (z2*z3)/(s12*z12*z34) - 
   (z2*z3)/(2*s134*z12*z34) - (s13*z2*z3)/(4*s12*s134*z12*z34) + 
   (2*s14*z2*z3)/(s12^2*z12*z34) + (3*s14*z2*z3)/(4*s12*s134*z12*z34) - 
   (s23*z2*z3)/(4*s12*s134*z12*z34) + (z2*z3)/(2*s234*z12*z34) + 
   (s13*z2*z3)/(4*s12*s234*z12*z34) + (5*s14*z2*z3)/(4*s12*s234*z12*z34) + 
   (s23*z2*z3)/(4*s12*s234*z12*z34) + (s24*z2*z3)/(s12^2*z12*z34) - 
   (s24*z2*z3)/(2*s12*s123*z12*z34) - (s24*z2*z3)/(2*s12*s124*z12*z34) - 
   (s13*s24*z2*z3)/(4*s12^2*s123*z12*z34) - (s13*s24*z2*z3)/
    (4*s12^2*s124*z12*z34) + (s24*z2*z3)/(4*s12*s134*z12*z34) - 
   (s14*s24*z2*z3)/(4*s12^2*s123*z12*z34) - (s14*s24*z2*z3)/
    (4*s12^2*s124*z12*z34) - (s23*s24*z2*z3)/(4*s12^2*s123*z12*z34) - 
   (s23*s24*z2*z3)/(4*s12^2*s124*z12*z34) + 
   (3*s24*z2*z3)/(4*s12*s234*z12*z34) - (s24^2*z2*z3)/
    (4*s12^2*s123*z12*z34) - (s24^2*z2*z3)/(4*s12^2*s124*z12*z34) - 
   (s14*z2*z3)/(s34^2*z12*z34) - (s13*s14*z2*z3)/(s12*s34^2*z12*z34) - 
   (s12*s14*z2*z3)/(s134*s34^2*z12*z34) - (3*s13*s14*z2*z3)/
    (4*s134*s34^2*z12*z34) + (s13^2*s14*z2*z3)/(4*s12*s134*s34^2*z12*z34) - 
   (s14^2*z2*z3)/(s12*s34^2*z12*z34) - (3*s14^2*z2*z3)/
    (4*s134*s34^2*z12*z34) + (s13*s14^2*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^3*z2*z3)/(4*s12*s134*s34^2*z12*z34) + (s13*s14*s23*z2*z3)/
    (s12^2*s34^2*z12*z34) - (5*s14*s23*z2*z3)/(4*s134*s34^2*z12*z34) + 
   (s14^2*s23*z2*z3)/(s12^2*s34^2*z12*z34) + (s14*s23^2*z2*z3)/
    (s12^2*s34^2*z12*z34) - (s14*s23^2*z2*z3)/(4*s12*s134*s34^2*z12*z34) + 
   (s13*s14*z2*z3)/(4*s234*s34^2*z12*z34) + (s13^2*s14*z2*z3)/
    (4*s12*s234*s34^2*z12*z34) + (s14^2*z2*z3)/(4*s234*s34^2*z12*z34) + 
   (s13*s14^2*z2*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14^3*z2*z3)/(4*s12*s234*s34^2*z12*z34) + 
   (3*s14*s23*z2*z3)/(4*s234*s34^2*z12*z34) + (s13*s14*s23*z2*z3)/
    (s12*s234*s34^2*z12*z34) + (s14^2*s23*z2*z3)/(s12*s234*s34^2*z12*z34) + 
   (3*s14*s23^2*z2*z3)/(4*s12*s234*s34^2*z12*z34) - 
   (2*s24*z2*z3)/(s34^2*z12*z34) - (3*s13*s24*z2*z3)/(s12*s34^2*z12*z34) - 
   (s13^2*s24*z2*z3)/(s12^2*s34^2*z12*z34) + 
   (s13*s24*z2*z3)/(2*s134*s34^2*z12*z34) + (s13^2*s24*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) - (3*s14*s24*z2*z3)/(s12*s34^2*z12*z34) - 
   (s13*s14*s24*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (3*s14*s24*z2*z3)/(4*s134*s34^2*z12*z34) + (s13*s14*s24*z2*z3)/
    (s12*s134*s34^2*z12*z34) + (s14^2*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) - 
   (2*s23*s24*z2*z3)/(s12*s34^2*z12*z34) - (s13*s23*s24*z2*z3)/
    (s12^2*s34^2*z12*z34) + (s13*s23*s24*z2*z3)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23*s24*z2*z3)/(s12^2*s34^2*z12*z34) - 
   (s12*s24*z2*z3)/(s234*s34^2*z12*z34) - (3*s13*s24*z2*z3)/
    (2*s234*s34^2*z12*z34) - (s13^2*s24*z2*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (3*s14*s24*z2*z3)/(4*s234*s34^2*z12*z34) + 
   (s14^2*s24*z2*z3)/(2*s12*s234*s34^2*z12*z34) - 
   (s23*s24*z2*z3)/(s234*s34^2*z12*z34) - (s13*s23*s24*z2*z3)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s23*s24*z2*z3)/
    (s12*s234*s34^2*z12*z34) - (2*s24^2*z2*z3)/(s12*s34^2*z12*z34) - 
   (s13*s24^2*z2*z3)/(s12^2*s34^2*z12*z34) + (s13*s24^2*z2*z3)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s24^2*z2*z3)/
    (4*s12*s134*s34^2*z12*z34) - (s24^2*z2*z3)/(s234*s34^2*z12*z34) - 
   (s13*s24^2*z2*z3)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s24^2*z2*z3)/(4*s12*s234*s34^2*z12*z34) - (z2*z3)/(s34*z12*z34) - 
   (s13*z2*z3)/(s12*s34*z12*z34) - (s12*z2*z3)/(2*s134*s34*z12*z34) - 
   (3*s13*z2*z3)/(4*s134*s34*z12*z34) - (s13^2*z2*z3)/
    (4*s12*s134*s34*z12*z34) + (2*s13*s14*z2*z3)/(s12^2*s34*z12*z34) - 
   (3*s14*z2*z3)/(4*s134*s34*z12*z34) + (3*s13*s14*z2*z3)/
    (4*s12*s134*s34*z12*z34) + (2*s14^2*z2*z3)/(s12^2*s34*z12*z34) + 
   (s14^2*z2*z3)/(s12*s134*s34*z12*z34) - (s23*z2*z3)/(s12*s34*z12*z34) - 
   (3*s23*z2*z3)/(4*s134*s34*z12*z34) - (s13*s23*z2*z3)/
    (2*s12*s134*s34*z12*z34) + (3*s14*s23*z2*z3)/(s12^2*s34*z12*z34) + 
   (s14*s23*z2*z3)/(4*s12*s134*s34*z12*z34) - 
   (s23^2*z2*z3)/(4*s12*s134*s34*z12*z34) + 
   (s12*z2*z3)/(2*s234*s34*z12*z34) + (3*s13*z2*z3)/(4*s234*s34*z12*z34) + 
   (s13^2*z2*z3)/(4*s12*s234*s34*z12*z34) + 
   (7*s14*z2*z3)/(4*s234*s34*z12*z34) + (7*s13*s14*z2*z3)/
    (4*s12*s234*s34*z12*z34) + (3*s14^2*z2*z3)/(2*s12*s234*s34*z12*z34) + 
   (3*s23*z2*z3)/(4*s234*s34*z12*z34) + (s13*s23*z2*z3)/
    (2*s12*s234*s34*z12*z34) + (9*s14*s23*z2*z3)/(4*s12*s234*s34*z12*z34) + 
   (s23^2*z2*z3)/(4*s12*s234*s34*z12*z34) - (2*s24*z2*z3)/(s12*s34*z12*z34) - 
   (s24*z2*z3)/(2*s123*s34*z12*z34) - (s24*z2*z3)/(2*s124*s34*z12*z34) - 
   (3*s13*s24*z2*z3)/(4*s12*s123*s34*z12*z34) - 
   (3*s13*s24*z2*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13^2*s24*z2*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z2*z3)/(4*s12^2*s124*s34*z12*z34) - 
   (s24*z2*z3)/(4*s134*s34*z12*z34) + (s13*s24*z2*z3)/
    (2*s12*s134*s34*z12*z34) + (3*s14*s24*z2*z3)/(s12^2*s34*z12*z34) - 
   (3*s14*s24*z2*z3)/(4*s12*s123*s34*z12*z34) - 
   (3*s14*s24*z2*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13*s14*s24*z2*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s14*s24*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (5*s14*s24*z2*z3)/(4*s12*s134*s34*z12*z34) - 
   (s14^2*s24*z2*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s14^2*s24*z2*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s23*s24*z2*z3)/(s12^2*s34*z12*z34) - (3*s23*s24*z2*z3)/
    (4*s12*s123*s34*z12*z34) - (3*s23*s24*z2*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13*s23*s24*z2*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s23*s24*z2*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (s14*s23*s24*z2*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s14*s23*s24*z2*z3)/(2*s12^2*s124*s34*z12*z34) - 
   (s23^2*s24*z2*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s23^2*s24*z2*z3)/(4*s12^2*s124*s34*z12*z34) + 
   (s24*z2*z3)/(4*s234*s34*z12*z34) + (s13*s24*z2*z3)/
    (2*s12*s234*s34*z12*z34) + (9*s14*s24*z2*z3)/(4*s12*s234*s34*z12*z34) + 
   (s23*s24*z2*z3)/(s12*s234*s34*z12*z34) + 
   (s24^2*z2*z3)/(s12^2*s34*z12*z34) - (3*s24^2*z2*z3)/
    (4*s12*s123*s34*z12*z34) - (3*s24^2*z2*z3)/(4*s12*s124*s34*z12*z34) - 
   (s13*s24^2*z2*z3)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s24^2*z2*z3)/(2*s12^2*s124*s34*z12*z34) + 
   (s24^2*z2*z3)/(4*s12*s134*s34*z12*z34) - (s14*s24^2*z2*z3)/
    (2*s12^2*s123*s34*z12*z34) - (s14*s24^2*z2*z3)/
    (2*s12^2*s124*s34*z12*z34) - (s23*s24^2*z2*z3)/
    (2*s12^2*s123*s34*z12*z34) - (s23*s24^2*z2*z3)/
    (2*s12^2*s124*s34*z12*z34) + (3*s24^2*z2*z3)/(4*s12*s234*s34*z12*z34) - 
   (s24^3*z2*z3)/(4*s12^2*s123*s34*z12*z34) - 
   (s24^3*z2*z3)/(4*s12^2*s124*s34*z12*z34) + (s14*z3^2)/(s34^2*z12*z34) + 
   (s13*s14*z3^2)/(s12*s34^2*z12*z34) + (s14^2*z3^2)/(s12*s34^2*z12*z34) + 
   (s14*s23*z3^2)/(s12*s34^2*z12*z34) + (s24*z3^2)/(s34^2*z12*z34) + 
   (s13*s24*z3^2)/(s12*s34^2*z12*z34) + (s12*s24*z3^2)/
    (2*s134*s34^2*z12*z34) + (3*s13*s24*z3^2)/(4*s134*s34^2*z12*z34) + 
   (s13^2*s24*z3^2)/(4*s12*s134*s34^2*z12*z34) + 
   (2*s14*s24*z3^2)/(s12*s34^2*z12*z34) + (3*s14*s24*z3^2)/
    (4*s134*s34^2*z12*z34) + (s13*s14*s24*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14^2*s24*z3^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s23*s24*z3^2)/(s12*s34^2*z12*z34) + (3*s23*s24*z3^2)/
    (4*s134*s34^2*z12*z34) + (s13*s23*s24*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23*s24*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s23^2*s24*z3^2)/(4*s12*s134*s34^2*z12*z34) - 
   (s12*s24*z3^2)/(2*s234*s34^2*z12*z34) - (3*s13*s24*z3^2)/
    (4*s234*s34^2*z12*z34) - (s13^2*s24*z3^2)/(4*s12*s234*s34^2*z12*z34) - 
   (3*s14*s24*z3^2)/(4*s234*s34^2*z12*z34) - (s13*s14*s24*z3^2)/
    (2*s12*s234*s34^2*z12*z34) - (s14^2*s24*z3^2)/
    (4*s12*s234*s34^2*z12*z34) - (3*s23*s24*z3^2)/(4*s234*s34^2*z12*z34) - 
   (s13*s23*s24*z3^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s14*s23*s24*z3^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s23^2*s24*z3^2)/(4*s12*s234*s34^2*z12*z34) + 
   (s24^2*z3^2)/(s12*s34^2*z12*z34) + (3*s24^2*z3^2)/(4*s134*s34^2*z12*z34) + 
   (s13*s24^2*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s24^2*z3^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s23*s24^2*z3^2)/(2*s12*s134*s34^2*z12*z34) - 
   (3*s24^2*z3^2)/(4*s234*s34^2*z12*z34) - (s13*s24^2*z3^2)/
    (2*s12*s234*s34^2*z12*z34) - (s14*s24^2*z3^2)/
    (2*s12*s234*s34^2*z12*z34) - (s23*s24^2*z3^2)/
    (2*s12*s234*s34^2*z12*z34) + (s24^3*z3^2)/(4*s12*s134*s34^2*z12*z34) - 
   (s24^3*z3^2)/(4*s12*s234*s34^2*z12*z34) + (s14*z3^2)/(s12*s34*z12*z34) + 
   (s24*z3^2)/(s12*s34*z12*z34) + (s24*z3^2)/(2*s134*s34*z12*z34) + 
   (s13*s24*z3^2)/(4*s12*s134*s34*z12*z34) + 
   (s14*s24*z3^2)/(4*s12*s134*s34*z12*z34) + 
   (s23*s24*z3^2)/(4*s12*s134*s34*z12*z34) - 
   (s24*z3^2)/(2*s234*s34*z12*z34) - (s13*s24*z3^2)/
    (4*s12*s234*s34*z12*z34) - (s14*s24*z3^2)/(4*s12*s234*s34*z12*z34) - 
   (s23*s24*z3^2)/(4*s12*s234*s34*z12*z34) + 
   (s24^2*z3^2)/(4*s12*s134*s34*z12*z34) - 
   (s24^2*z3^2)/(4*s12*s234*s34*z12*z34) + z4/(s12*z12) + z4/(s123*z12) + 
   (3*z4)/(2*s124*z12) + (s12*z4)/(s123*s124*z12) + 
   (3*s13*z4)/(2*s12*s124*z12) + (2*s13*z4)/(s123*s124*z12) + 
   (s13^2*z4)/(s12*s123*s124*z12) + (3*s14*z4)/(2*s12*s124*z12) + 
   (s14*z4)/(s123*s124*z12) + (s13*s14*z4)/(s12*s123*s124*z12) + 
   (3*s23*z4)/(2*s12*s124*z12) + (2*s23*z4)/(s123*s124*z12) + 
   (2*s13*s23*z4)/(s12*s123*s124*z12) + (s23*z4)/(s123*s134*z12) - 
   (s23*z4)/(2*s124*s134*z12) + (s13*s23*z4)/(s12*s123*s134*z12) + 
   (s14*s23*z4)/(s12*s123*s124*z12) - (s14*s23*z4)/(2*s12*s124*s134*z12) + 
   (s23^2*z4)/(s12*s123*s124*z12) + (s23^2*z4)/(s12*s123*s134*z12) + 
   z4/(2*s234*z12) + (s23*z4)/(2*s123*s234*z12) - (s23*z4)/(s124*s234*z12) + 
   (s13*s23*z4)/(2*s12*s123*s234*z12) - (s14*s23*z4)/(s12*s124*s234*z12) + 
   (s23^2*z4)/(2*s12*s123*s234*z12) + (3*s24*z4)/(2*s12*s124*z12) + 
   (s24*z4)/(s123*s124*z12) + (s13*s24*z4)/(s12*s123*s124*z12) + 
   (s23*s24*z4)/(s12*s123*s124*z12) - (s23*s24*z4)/(2*s12*s124*s134*z12) - 
   (s23*s24*z4)/(s12*s124*s234*z12) + (s12*z4)/(s34^2*z12) + 
   (2*s13*z4)/(s34^2*z12) + (s13^2*z4)/(s12*s34^2*z12) + 
   (s12*s13*z4)/(4*s134*s34^2*z12) + (s13^2*z4)/(4*s134*s34^2*z12) + 
   (s14*z4)/(s34^2*z12) + (s13*s14*z4)/(s12*s34^2*z12) - 
   (s12*s14*z4)/(4*s134*s34^2*z12) - (s14^2*z4)/(4*s134*s34^2*z12) + 
   (2*s23*z4)/(s34^2*z12) + (2*s13*s23*z4)/(s12*s34^2*z12) + 
   (3*s12*s23*z4)/(4*s134*s34^2*z12) + (5*s13*s23*z4)/(4*s134*s34^2*z12) + 
   (s13^2*s23*z4)/(4*s12*s134*s34^2*z12) + (s14*s23*z4)/(s12*s34^2*z12) + 
   (5*s14*s23*z4)/(4*s134*s34^2*z12) + (s13*s14*s23*z4)/
    (s12*s134*s34^2*z12) + (3*s14^2*s23*z4)/(4*s12*s134*s34^2*z12) + 
   (s23^2*z4)/(s12*s34^2*z12) + (s23^2*z4)/(s134*s34^2*z12) + 
   (s13*s23^2*z4)/(2*s12*s134*s34^2*z12) + 
   (s14*s23^2*z4)/(s12*s134*s34^2*z12) + (s23^3*z4)/(4*s12*s134*s34^2*z12) + 
   (s12*s13*z4)/(4*s234*s34^2*z12) + (s13^2*z4)/(4*s234*s34^2*z12) - 
   (s12*s14*z4)/(4*s234*s34^2*z12) - (s14^2*z4)/(4*s234*s34^2*z12) - 
   (s12*s23*z4)/(4*s234*s34^2*z12) - (s13*s23*z4)/(4*s234*s34^2*z12) - 
   (s13^2*s23*z4)/(4*s12*s234*s34^2*z12) - 
   (5*s14*s23*z4)/(4*s234*s34^2*z12) - (s13*s14*s23*z4)/
    (s12*s234*s34^2*z12) - (3*s14^2*s23*z4)/(4*s12*s234*s34^2*z12) - 
   (s23^2*z4)/(2*s234*s34^2*z12) - (s13*s23^2*z4)/(2*s12*s234*s34^2*z12) - 
   (s14*s23^2*z4)/(s12*s234*s34^2*z12) - (s23^3*z4)/(4*s12*s234*s34^2*z12) + 
   (s24*z4)/(s34^2*z12) + (s13*s24*z4)/(s12*s34^2*z12) - 
   (s12*s24*z4)/(4*s134*s34^2*z12) - (s14*s24*z4)/(2*s134*s34^2*z12) + 
   (s23*s24*z4)/(s12*s34^2*z12) + (5*s23*s24*z4)/(4*s134*s34^2*z12) + 
   (s13*s23*s24*z4)/(s12*s134*s34^2*z12) + (3*s14*s23*s24*z4)/
    (2*s12*s134*s34^2*z12) + (s23^2*s24*z4)/(s12*s134*s34^2*z12) - 
   (s12*s24*z4)/(4*s234*s34^2*z12) - (s14*s24*z4)/(2*s234*s34^2*z12) - 
   (5*s23*s24*z4)/(4*s234*s34^2*z12) - (s13*s23*s24*z4)/
    (s12*s234*s34^2*z12) - (3*s14*s23*s24*z4)/(2*s12*s234*s34^2*z12) - 
   (s23^2*s24*z4)/(s12*s234*s34^2*z12) - (s24^2*z4)/(4*s134*s34^2*z12) + 
   (3*s23*s24^2*z4)/(4*s12*s134*s34^2*z12) - (s24^2*z4)/(4*s234*s34^2*z12) - 
   (3*s23*s24^2*z4)/(4*s12*s234*s34^2*z12) + (2*z4)/(s34*z12) + 
   (s12*z4)/(s123*s34*z12) + (s12*z4)/(s124*s34*z12) + 
   (2*s13*z4)/(s12*s34*z12) + (s13*z4)/(s123*s34*z12) + 
   (2*s13*z4)/(s124*s34*z12) + (s13^2*z4)/(s12*s124*s34*z12) + 
   (s13*z4)/(4*s134*s34*z12) + (s14*z4)/(s12*s34*z12) + 
   (s14*z4)/(s123*s34*z12) + (2*s14*z4)/(s124*s34*z12) + 
   (2*s13*s14*z4)/(s12*s124*s34*z12) - (s14*z4)/(4*s134*s34*z12) + 
   (s14^2*z4)/(s12*s124*s34*z12) + (2*s23*z4)/(s12*s34*z12) + 
   (s23*z4)/(s123*s34*z12) + (2*s23*z4)/(s124*s34*z12) + 
   (2*s13*s23*z4)/(s12*s124*s34*z12) + (3*s23*z4)/(4*s134*s34*z12) + 
   (s12*s23*z4)/(s123*s134*s34*z12) - (s12*s23*z4)/(2*s124*s134*s34*z12) + 
   (s13*s23*z4)/(4*s12*s134*s34*z12) + (2*s13*s23*z4)/(s123*s134*s34*z12) - 
   (s13*s23*z4)/(2*s124*s134*s34*z12) + (s13^2*s23*z4)/
    (s12*s123*s134*s34*z12) + (2*s14*s23*z4)/(s12*s124*s34*z12) + 
   (3*s14*s23*z4)/(4*s12*s134*s34*z12) + (s14*s23*z4)/(s123*s134*s34*z12) - 
   (s14*s23*z4)/(s124*s134*s34*z12) + (s13*s14*s23*z4)/
    (s12*s123*s134*s34*z12) - (s13*s14*s23*z4)/(2*s12*s124*s134*s34*z12) - 
   (s14^2*s23*z4)/(2*s12*s124*s134*s34*z12) + (s23^2*z4)/(s12*s124*s34*z12) + 
   (s23^2*z4)/(4*s12*s134*s34*z12) + (2*s23^2*z4)/(s123*s134*s34*z12) - 
   (s23^2*z4)/(2*s124*s134*s34*z12) + (2*s13*s23^2*z4)/
    (s12*s123*s134*s34*z12) + (s14*s23^2*z4)/(s12*s123*s134*s34*z12) - 
   (s14*s23^2*z4)/(2*s12*s124*s134*s34*z12) + 
   (s23^3*z4)/(s12*s123*s134*s34*z12) + (s12*z4)/(2*s234*s34*z12) + 
   (3*s13*z4)/(4*s234*s34*z12) + (s14*z4)/(4*s234*s34*z12) + 
   (s23*z4)/(4*s234*s34*z12) + (s12*s23*z4)/(2*s123*s234*s34*z12) - 
   (s12*s23*z4)/(s124*s234*s34*z12) - (s13*s23*z4)/(4*s12*s234*s34*z12) + 
   (s13*s23*z4)/(s123*s234*s34*z12) - (s13*s23*z4)/(s124*s234*s34*z12) + 
   (s13^2*s23*z4)/(2*s12*s123*s234*s34*z12) - 
   (3*s14*s23*z4)/(4*s12*s234*s34*z12) + (s14*s23*z4)/(2*s123*s234*s34*z12) - 
   (2*s14*s23*z4)/(s124*s234*s34*z12) + (s13*s14*s23*z4)/
    (2*s12*s123*s234*s34*z12) - (s13*s14*s23*z4)/(s12*s124*s234*s34*z12) - 
   (s14^2*s23*z4)/(s12*s124*s234*s34*z12) - (s23^2*z4)/(4*s12*s234*s34*z12) + 
   (s23^2*z4)/(s123*s234*s34*z12) - (s23^2*z4)/(s124*s234*s34*z12) + 
   (s13*s23^2*z4)/(s12*s123*s234*s34*z12) + 
   (s14*s23^2*z4)/(2*s12*s123*s234*s34*z12) - 
   (s14*s23^2*z4)/(s12*s124*s234*s34*z12) + 
   (s23^3*z4)/(2*s12*s123*s234*s34*z12) + (s24*z4)/(s12*s34*z12) + 
   (s24*z4)/(s123*s34*z12) + (2*s24*z4)/(s124*s34*z12) + 
   (2*s13*s24*z4)/(s12*s124*s34*z12) - (s24*z4)/(4*s134*s34*z12) + 
   (2*s14*s24*z4)/(s12*s124*s34*z12) + (2*s23*s24*z4)/(s12*s124*s34*z12) + 
   (3*s23*s24*z4)/(4*s12*s134*s34*z12) + (s23*s24*z4)/(s123*s134*s34*z12) - 
   (s23*s24*z4)/(s124*s134*s34*z12) + (s13*s23*s24*z4)/
    (s12*s123*s134*s34*z12) - (s13*s23*s24*z4)/(2*s12*s124*s134*s34*z12) - 
   (s14*s23*s24*z4)/(s12*s124*s134*s34*z12) + 
   (s23^2*s24*z4)/(s12*s123*s134*s34*z12) - 
   (s23^2*s24*z4)/(2*s12*s124*s134*s34*z12) + (s24*z4)/(4*s234*s34*z12) - 
   (3*s23*s24*z4)/(4*s12*s234*s34*z12) + (s23*s24*z4)/(2*s123*s234*s34*z12) - 
   (2*s23*s24*z4)/(s124*s234*s34*z12) + (s13*s23*s24*z4)/
    (2*s12*s123*s234*s34*z12) - (s13*s23*s24*z4)/(s12*s124*s234*s34*z12) - 
   (2*s14*s23*s24*z4)/(s12*s124*s234*s34*z12) + 
   (s23^2*s24*z4)/(2*s12*s123*s234*s34*z12) - 
   (s23^2*s24*z4)/(s12*s124*s234*s34*z12) + (s24^2*z4)/(s12*s124*s34*z12) - 
   (s23*s24^2*z4)/(2*s12*s124*s134*s34*z12) - 
   (s23*s24^2*z4)/(s12*s124*s234*s34*z12) + (s34*z4)/(2*s12*s124*z12) + 
   (s34*z4)/(s123*s124*z12) + (s13*s34*z4)/(s12*s123*s124*z12) + 
   (s23*s34*z4)/(s12*s123*s124*z12) + (z3*z4)/(s134*z34^2) - 
   (2*s23*z3*z4)/(s12^2*z34^2) - (s23*z3*z4)/(s12*s134*z34^2) + 
   (z3*z4)/(s234*z34^2) - (s23*z3*z4)/(s12*s234*z34^2) - 
   (2*s24*z3*z4)/(s12^2*z34^2) - (s24*z3*z4)/(s12*s134*z34^2) - 
   (s24*z3*z4)/(s12*s234*z34^2) + (2*s13*z3*z4)/(s34^2*z34^2) + 
   (2*s13^2*z3*z4)/(s12*s34^2*z34^2) + (s12*s13*z3*z4)/(s134*s34^2*z34^2) + 
   (s13^2*z3*z4)/(s134*s34^2*z34^2) + (2*s14*z3*z4)/(s34^2*z34^2) + 
   (4*s13*s14*z3*z4)/(s12*s34^2*z34^2) + (s12*s14*z3*z4)/(s134*s34^2*z34^2) + 
   (2*s13*s14*z3*z4)/(s134*s34^2*z34^2) + (2*s14^2*z3*z4)/(s12*s34^2*z34^2) + 
   (s14^2*z3*z4)/(s134*s34^2*z34^2) + (2*s23*z3*z4)/(s34^2*z34^2) + 
   (4*s13*s23*z3*z4)/(s12*s34^2*z34^2) - (s13^2*s23*z3*z4)/
    (s12*s134*s34^2*z34^2) + (4*s14*s23*z3*z4)/(s12*s34^2*z34^2) - 
   (2*s13*s14*s23*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (s14^2*s23*z3*z4)/(s12*s134*s34^2*z34^2) - (2*s13*s23^2*z3*z4)/
    (s12^2*s34^2*z34^2) - (s13*s23^2*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (2*s14*s23^2*z3*z4)/(s12^2*s34^2*z34^2) - (s14*s23^2*z3*z4)/
    (s12*s134*s34^2*z34^2) - (2*s23^3*z3*z4)/(s12^2*s34^2*z34^2) + 
   (s12*s23*z3*z4)/(s234*s34^2*z34^2) + (s13*s23*z3*z4)/(s234*s34^2*z34^2) + 
   (s14*s23*z3*z4)/(s234*s34^2*z34^2) - (s13*s23^2*z3*z4)/
    (s12*s234*s34^2*z34^2) - (s14*s23^2*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (s23^3*z3*z4)/(s12*s234*s34^2*z34^2) + (2*s24*z3*z4)/(s34^2*z34^2) + 
   (4*s13*s24*z3*z4)/(s12*s34^2*z34^2) - (s13^2*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) + (4*s14*s24*z3*z4)/(s12*s34^2*z34^2) - 
   (2*s13*s14*s24*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (s14^2*s24*z3*z4)/(s12*s134*s34^2*z34^2) - (4*s13*s23*s24*z3*z4)/
    (s12^2*s34^2*z34^2) - (2*s13*s23*s24*z3*z4)/(s12*s134*s34^2*z34^2) - 
   (4*s14*s23*s24*z3*z4)/(s12^2*s34^2*z34^2) - (2*s14*s23*s24*z3*z4)/
    (s12*s134*s34^2*z34^2) - (6*s23^2*s24*z3*z4)/(s12^2*s34^2*z34^2) + 
   (s12*s24*z3*z4)/(s234*s34^2*z34^2) + (s13*s24*z3*z4)/(s234*s34^2*z34^2) + 
   (s14*s24*z3*z4)/(s234*s34^2*z34^2) - (2*s13*s23*s24*z3*z4)/
    (s12*s234*s34^2*z34^2) - (2*s14*s23*s24*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (3*s23^2*s24*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (2*s13*s24^2*z3*z4)/(s12^2*s34^2*z34^2) - (s13*s24^2*z3*z4)/
    (s12*s134*s34^2*z34^2) - (2*s14*s24^2*z3*z4)/(s12^2*s34^2*z34^2) - 
   (s14*s24^2*z3*z4)/(s12*s134*s34^2*z34^2) - (6*s23*s24^2*z3*z4)/
    (s12^2*s34^2*z34^2) - (s13*s24^2*z3*z4)/(s12*s234*s34^2*z34^2) - 
   (s14*s24^2*z3*z4)/(s12*s234*s34^2*z34^2) - (3*s23*s24^2*z3*z4)/
    (s12*s234*s34^2*z34^2) - (2*s24^3*z3*z4)/(s12^2*s34^2*z34^2) - 
   (s24^3*z3*z4)/(s12*s234*s34^2*z34^2) + (2*s13*z3*z4)/(s12*s34*z34^2) + 
   (s12*z3*z4)/(s134*s34*z34^2) + (2*s13*z3*z4)/(s134*s34*z34^2) + 
   (2*s14*z3*z4)/(s12*s34*z34^2) + (2*s14*z3*z4)/(s134*s34*z34^2) - 
   (2*s13*s23*z3*z4)/(s12^2*s34*z34^2) - (2*s13*s23*z3*z4)/
    (s12*s134*s34*z34^2) - (2*s14*s23*z3*z4)/(s12^2*s34*z34^2) - 
   (2*s14*s23*z3*z4)/(s12*s134*s34*z34^2) - (4*s23^2*z3*z4)/
    (s12^2*s34*z34^2) - (s23^2*z3*z4)/(s12*s134*s34*z34^2) + 
   (s12*z3*z4)/(s234*s34*z34^2) + (s13*z3*z4)/(s234*s34*z34^2) + 
   (s14*z3*z4)/(s234*s34*z34^2) + (s23*z3*z4)/(s234*s34*z34^2) - 
   (s13*s23*z3*z4)/(s12*s234*s34*z34^2) - (s14*s23*z3*z4)/
    (s12*s234*s34*z34^2) - (2*s23^2*z3*z4)/(s12*s234*s34*z34^2) - 
   (2*s13*s24*z3*z4)/(s12^2*s34*z34^2) - (2*s13*s24*z3*z4)/
    (s12*s134*s34*z34^2) - (2*s14*s24*z3*z4)/(s12^2*s34*z34^2) - 
   (2*s14*s24*z3*z4)/(s12*s134*s34*z34^2) - (8*s23*s24*z3*z4)/
    (s12^2*s34*z34^2) - (2*s23*s24*z3*z4)/(s12*s134*s34*z34^2) + 
   (s24*z3*z4)/(s234*s34*z34^2) - (s13*s24*z3*z4)/(s12*s234*s34*z34^2) - 
   (s14*s24*z3*z4)/(s12*s234*s34*z34^2) - (4*s23*s24*z3*z4)/
    (s12*s234*s34*z34^2) - (4*s24^2*z3*z4)/(s12^2*s34*z34^2) - 
   (s24^2*z3*z4)/(s12*s134*s34*z34^2) - (2*s24^2*z3*z4)/
    (s12*s234*s34*z34^2) + (2*s23*z1*z3*z4)/(s12^2*z12*z34^2) + 
   (2*s24*z1*z3*z4)/(s12^2*z12*z34^2) - (2*s23*z1*z3*z4)/(s34^2*z12*z34^2) - 
   (2*s13*s23*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s14*s23*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s23^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s24*z1*z3*z4)/(s34^2*z12*z34^2) - (2*s13*s24*z1*z3*z4)/
    (s12*s34^2*z12*z34^2) - (2*s14*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (4*s23*s24*z1*z3*z4)/(s12*s34^2*z12*z34^2) - 
   (2*s24^2*z1*z3*z4)/(s12*s34^2*z12*z34^2) + (2*s13*s23*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) + (2*s14*s23*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s23^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) + (2*s13*s24*z1*z3*z4)/
    (s12^2*s34*z12*z34^2) + (2*s14*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (4*s23*s24*z1*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s24^2*z1*z3*z4)/(s12^2*s34*z12*z34^2) - 
   (8*z1*z2*z3*z4)/(s12*z12^2*z34^2) - (4*s13*z1*z2*z3*z4)/
    (s12^2*z12^2*z34^2) - (4*s14*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) - 
   (4*s23*z1*z2*z3*z4)/(s12^2*z12^2*z34^2) - (4*s24*z1*z2*z3*z4)/
    (s12^2*z12^2*z34^2) - (4*s13*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - 
   (6*s13^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (2*s13^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (4*s14*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - (12*s13*s14*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13^2*s14*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s14^2*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13*s14^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (2*s14^3*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (4*s23*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - 
   (12*s13*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (6*s13^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (12*s14*s23*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (12*s13*s14*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (6*s14^2*s23*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (6*s23^2*z1*z2*z3*z4)/(s12*s34^2*z12^2*z34^2) - 
   (6*s13*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (6*s14*s23^2*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (2*s23^3*z1*z2*z3*z4)/(s12^2*s34^2*z12^2*z34^2) - 
   (4*s24*z1*z2*z3*z4)/(s34^2*z12^2*z34^2) - (12*s13*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (12*s14*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (12*s13*s14*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s14^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (12*s23*s24*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (12*s13*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (12*s14*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s23^2*s24*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s24^2*z1*z2*z3*z4)/
    (s12*s34^2*z12^2*z34^2) - (6*s13*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s14*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (6*s23*s24^2*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (2*s24^3*z1*z2*z3*z4)/
    (s12^2*s34^2*z12^2*z34^2) - (8*z1*z2*z3*z4)/(s34*z12^2*z34^2) - 
   (16*s13*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - (6*s13^2*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (16*s14*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - 
   (12*s13*s14*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (6*s14^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (16*s23*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - (12*s13*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (12*s14*s23*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (6*s23^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) - 
   (16*s24*z1*z2*z3*z4)/(s12*s34*z12^2*z34^2) - (12*s13*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (12*s14*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (12*s23*s24*z1*z2*z3*z4)/
    (s12^2*s34*z12^2*z34^2) - (6*s24^2*z1*z2*z3*z4)/(s12^2*s34*z12^2*z34^2) + 
   (4*z2*z3*z4)/(s12*z12*z34^2) + (4*s13*z2*z3*z4)/(s12^2*z12*z34^2) + 
   (2*z2*z3*z4)/(s134*z12*z34^2) + (s13*z2*z3*z4)/(s12*s134*z12*z34^2) + 
   (4*s14*z2*z3*z4)/(s12^2*z12*z34^2) + (s14*z2*z3*z4)/(s12*s134*z12*z34^2) + 
   (2*s23*z2*z3*z4)/(s12^2*z12*z34^2) + (s23*z2*z3*z4)/(s12*s134*z12*z34^2) + 
   (2*z2*z3*z4)/(s234*z12*z34^2) + (s13*z2*z3*z4)/(s12*s234*z12*z34^2) + 
   (s14*z2*z3*z4)/(s12*s234*z12*z34^2) + (s23*z2*z3*z4)/
    (s12*s234*z12*z34^2) + (2*s24*z2*z3*z4)/(s12^2*z12*z34^2) + 
   (s24*z2*z3*z4)/(s12*s134*z12*z34^2) + (s24*z2*z3*z4)/
    (s12*s234*z12*z34^2) + (2*s13*z2*z3*z4)/(s34^2*z12*z34^2) + 
   (4*s13^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (2*s13^3*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s12*s13*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (3*s13^2*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (s13^3*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (2*s14*z2*z3*z4)/(s34^2*z12*z34^2) + (8*s13*s14*z2*z3*z4)/
    (s12*s34^2*z12*z34^2) + (6*s13^2*s14*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s12*s14*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (6*s13*s14*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (3*s13^2*s14*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (4*s14^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (6*s13*s14^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s14^2*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (3*s13*s14^2*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (2*s14^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (s14^3*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (4*s23*z2*z3*z4)/(s34^2*z12*z34^2) + (10*s13*s23*z2*z3*z4)/
    (s12*s34^2*z12*z34^2) + (6*s13^2*s23*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (3*s13*s23*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (2*s13^2*s23*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (10*s14*s23*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (12*s13*s14*s23*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s14*s23*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (4*s13*s14*s23*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (6*s14^2*s23*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s14^2*s23*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (6*s23^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (6*s13*s23^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s13*s23^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s14*s23^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s14*s23^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (2*s23^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s12*s23*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (3*s13*s23*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (s13^2*s23*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s14*s23*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (2*s13*s14*s23*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (s14^2*s23*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s23^2*z2*z3*z4)/(s234*s34^2*z12*z34^2) + (2*s13*s23^2*z2*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) + (2*s14*s23^2*z2*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) + (s23^3*z2*z3*z4)/
    (s12*s234*s34^2*z12*z34^2) + (4*s24*z2*z3*z4)/(s34^2*z12*z34^2) + 
   (10*s13*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) + 
   (6*s13^2*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (3*s13*s24*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (2*s13^2*s24*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (10*s14*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (12*s13*s14*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s14*s24*z2*z3*z4)/(s134*s34^2*z12*z34^2) + 
   (4*s13*s14*s24*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (6*s14^2*s24*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (2*s14^2*s24*z2*z3*z4)/(s12*s134*s34^2*z12*z34^2) + 
   (12*s23*s24*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (12*s13*s23*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s13*s23*s24*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (12*s14*s23*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s14*s23*s24*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s23^2*s24*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (2*s12*s24*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (3*s13*s24*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (s13^2*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s14*s24*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (2*s13*s14*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (s14^2*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (6*s23*s24*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (4*s13*s23*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (4*s14*s23*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s23^2*s24*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (6*s24^2*z2*z3*z4)/(s12*s34^2*z12*z34^2) + (6*s13*s24^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s13*s24^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s14*s24^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (s14*s24^2*z2*z3*z4)/
    (s12*s134*s34^2*z12*z34^2) + (6*s23*s24^2*z2*z3*z4)/
    (s12^2*s34^2*z12*z34^2) + (3*s24^2*z2*z3*z4)/(s234*s34^2*z12*z34^2) + 
   (2*s13*s24^2*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (2*s14*s24^2*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (3*s23*s24^2*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (2*s24^3*z2*z3*z4)/(s12^2*s34^2*z12*z34^2) + 
   (s24^3*z2*z3*z4)/(s12*s234*s34^2*z12*z34^2) + 
   (4*z2*z3*z4)/(s34*z12*z34^2) + (10*s13*z2*z3*z4)/(s12*s34*z12*z34^2) + 
   (6*s13^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s12*z2*z3*z4)/(s134*s34*z12*z34^2) + (5*s13*z2*z3*z4)/
    (s134*s34*z12*z34^2) + (2*s13^2*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (10*s14*z2*z3*z4)/(s12*s34*z12*z34^2) + (12*s13*s14*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) + (5*s14*z2*z3*z4)/(s134*s34*z12*z34^2) + 
   (4*s13*s14*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (6*s14^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) + (2*s14^2*z2*z3*z4)/
    (s12*s134*s34*z12*z34^2) + (10*s23*z2*z3*z4)/(s12*s34*z12*z34^2) + 
   (10*s13*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (3*s23*z2*z3*z4)/(s134*s34*z12*z34^2) + (3*s13*s23*z2*z3*z4)/
    (s12*s134*s34*z12*z34^2) + (10*s14*s23*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (3*s14*s23*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (4*s23^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (s23^2*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (2*s12*z2*z3*z4)/(s234*s34*z12*z34^2) + (3*s13*z2*z3*z4)/
    (s234*s34*z12*z34^2) + (s13^2*z2*z3*z4)/(s12*s234*s34*z12*z34^2) + 
   (3*s14*z2*z3*z4)/(s234*s34*z12*z34^2) + (2*s13*s14*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (s14^2*z2*z3*z4)/(s12*s234*s34*z12*z34^2) + 
   (5*s23*z2*z3*z4)/(s234*s34*z12*z34^2) + (3*s13*s23*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (3*s14*s23*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (2*s23^2*z2*z3*z4)/(s12*s234*s34*z12*z34^2) + 
   (10*s24*z2*z3*z4)/(s12*s34*z12*z34^2) + (10*s13*s24*z2*z3*z4)/
    (s12^2*s34*z12*z34^2) + (3*s24*z2*z3*z4)/(s134*s34*z12*z34^2) + 
   (3*s13*s24*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (10*s14*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (3*s14*s24*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (8*s23*s24*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (2*s23*s24*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (5*s24*z2*z3*z4)/(s234*s34*z12*z34^2) + (3*s13*s24*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (3*s14*s24*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (4*s23*s24*z2*z3*z4)/
    (s12*s234*s34*z12*z34^2) + (4*s24^2*z2*z3*z4)/(s12^2*s34*z12*z34^2) + 
   (s24^2*z2*z3*z4)/(s12*s134*s34*z12*z34^2) + 
   (2*s24^2*z2*z3*z4)/(s12*s234*s34*z12*z34^2) - 
   (2*z3^2*z4)/(s12*z12*z34^2) + (2*s12*z3^2*z4)/(s34^2*z12*z34^2) + 
   (2*s13*z3^2*z4)/(s34^2*z12*z34^2) + (2*s14*z3^2*z4)/(s34^2*z12*z34^2) + 
   (2*s23*z3^2*z4)/(s34^2*z12*z34^2) + (2*s24*z3^2*z4)/(s34^2*z12*z34^2) - 
   (2*s13*z3^2*z4)/(s12*s34*z12*z34^2) - (2*s14*z3^2*z4)/
    (s12*s34*z12*z34^2) - (2*s23*z3^2*z4)/(s12*s34*z12*z34^2) - 
   (2*s24*z3^2*z4)/(s12*s34*z12*z34^2) + z4/(s12*z34) - 
   (3*s13*z4)/(4*s12*s123*z34) - (3*s13*z4)/(4*s12*s124*z34) - 
   (s12*z4)/(s123*s134*z34) + (s12*z4)/(2*s124*s134*z34) - 
   (2*s13*z4)/(s123*s134*z34) + (s13*z4)/(s124*s134*z34) - 
   (s14*z4)/(4*s12*s123*z34) - (3*s14*z4)/(4*s12*s124*z34) - 
   (2*s14*z4)/(s123*s134*z34) + (s14*z4)/(s124*s134*z34) + 
   (s23*z4)/(s12^2*z34) + (s23*z4)/(4*s12*s123*z34) - 
   (3*s23*z4)/(4*s12*s124*z34) + (3*s13*s23*z4)/(4*s12^2*s123*z34) - 
   (s13*s23*z4)/(4*s12^2*s124*z34) + (s23*z4)/(s123*s134*z34) + 
   (s23*z4)/(2*s124*s134*z34) + (4*s13*s23*z4)/(s12*s123*s134*z34) + 
   (5*s14*s23*z4)/(4*s12^2*s123*z34) - (3*s14*s23*z4)/(4*s12^2*s124*z34) + 
   (4*s14*s23*z4)/(s12*s123*s134*z34) + (9*s23^2*z4)/(4*s12^2*s123*z34) + 
   (s23^2*z4)/(4*s12^2*s124*z34) + (2*s23^2*z4)/(s12*s123*s134*z34) + 
   (s12*z4)/(2*s123*s234*z34) - (s12*z4)/(s124*s234*z34) + 
   (s13*z4)/(2*s123*s234*z34) - (s13*z4)/(s124*s234*z34) + 
   (s14*z4)/(2*s123*s234*z34) - (s14*z4)/(s124*s234*z34) + 
   (s23*z4)/(s12*s234*z34) - (2*s23*z4)/(s124*s234*z34) - 
   (s13*s23*z4)/(s12*s123*s234*z34) - (s14*s23*z4)/(s12*s123*s234*z34) - 
   (2*s23^2*z4)/(s12*s123*s234*z34) + (2*s24*z4)/(s12^2*z34) - 
   (s24*z4)/(4*s12*s123*z34) + (s24*z4)/(4*s12*s124*z34) - 
   (s13*s24*z4)/(2*s12^2*s123*z34) + (3*s13*s24*z4)/(2*s12^2*s124*z34) + 
   (s24*z4)/(s12*s134*z34) - (s24*z4)/(s123*s134*z34) - 
   (s24*z4)/(2*s124*s134*z34) - (2*s13*s24*z4)/(s12*s124*s134*z34) + 
   (s14*s24*z4)/(s12^2*s124*z34) - (2*s14*s24*z4)/(s12*s124*s134*z34) + 
   (9*s23*s24*z4)/(4*s12^2*s123*z34) + (9*s23*s24*z4)/(4*s12^2*s124*z34) + 
   (2*s23*s24*z4)/(s12*s123*s134*z34) - (s23*s24*z4)/(s12*s124*s134*z34) + 
   (2*s24*z4)/(s12*s234*z34) + (s24*z4)/(s123*s234*z34) + 
   (2*s13*s24*z4)/(s12*s124*s234*z34) + (s24*z4)/(s134*s234*z34) + 
   (2*s14*s24*z4)/(s12*s124*s234*z34) - (2*s23*s24*z4)/(s12*s123*s234*z34) + 
   (4*s23*s24*z4)/(s12*s124*s234*z34) + (2*s24^2*z4)/(s12^2*s124*z34) - 
   (s24^2*z4)/(s12*s124*s134*z34) + (4*s24^2*z4)/(s12*s124*s234*z34) - 
   (2*s13*z4)/(s34^2*z34) - (2*s13^2*z4)/(s12*s34^2*z34) - 
   (s12*s13*z4)/(s134*s34^2*z34) - (s13^2*z4)/(s134*s34^2*z34) - 
   (s14*z4)/(s34^2*z34) - (3*s13*s14*z4)/(s12*s34^2*z34) - 
   (s12*s14*z4)/(2*s134*s34^2*z34) - (3*s13*s14*z4)/(2*s134*s34^2*z34) - 
   (s14^2*z4)/(s12*s34^2*z34) - (s14^2*z4)/(2*s134*s34^2*z34) - 
   (2*s23*z4)/(s34^2*z34) - (4*s13*s23*z4)/(s12*s34^2*z34) + 
   (s13^2*s23*z4)/(s12*s134*s34^2*z34) - (4*s14*s23*z4)/(s12*s34^2*z34) - 
   (s13*s14*s23*z4)/(s12^2*s34^2*z34) + (3*s13*s14*s23*z4)/
    (2*s12*s134*s34^2*z34) - (s14^2*s23*z4)/(s12^2*s34^2*z34) + 
   (s14^2*s23*z4)/(2*s12*s134*s34^2*z34) + (2*s13*s23^2*z4)/
    (s12^2*s34^2*z34) + (s13*s23^2*z4)/(s12*s134*s34^2*z34) + 
   (s14*s23^2*z4)/(s12^2*s34^2*z34) + (s14*s23^2*z4)/(2*s12*s134*s34^2*z34) + 
   (2*s23^3*z4)/(s12^2*s34^2*z34) - (s12*s23*z4)/(s234*s34^2*z34) - 
   (s13*s23*z4)/(s234*s34^2*z34) - (3*s14*s23*z4)/(2*s234*s34^2*z34) - 
   (s13*s14*s23*z4)/(2*s12*s234*s34^2*z34) - 
   (s14^2*s23*z4)/(2*s12*s234*s34^2*z34) + 
   (s13*s23^2*z4)/(s12*s234*s34^2*z34) + (s14*s23^2*z4)/
    (2*s12*s234*s34^2*z34) + (s23^3*z4)/(s12*s234*s34^2*z34) - 
   (s24*z4)/(s34^2*z34) - (2*s13*s24*z4)/(s12*s34^2*z34) + 
   (s13^2*s24*z4)/(s12^2*s34^2*z34) + (s13^2*s24*z4)/(s12*s134*s34^2*z34) - 
   (2*s14*s24*z4)/(s12*s34^2*z34) + (s13*s14*s24*z4)/(s12^2*s34^2*z34) + 
   (3*s13*s14*s24*z4)/(2*s12*s134*s34^2*z34) + 
   (s14^2*s24*z4)/(2*s12*s134*s34^2*z34) + (s23*s24*z4)/(s12*s34^2*z34) + 
   (5*s13*s23*s24*z4)/(s12^2*s34^2*z34) + (2*s13*s23*s24*z4)/
    (s12*s134*s34^2*z34) + (3*s14*s23*s24*z4)/(s12^2*s34^2*z34) + 
   (s14*s23*s24*z4)/(s12*s134*s34^2*z34) + (6*s23^2*s24*z4)/
    (s12^2*s34^2*z34) - (s12*s24*z4)/(2*s234*s34^2*z34) + 
   (s13*s24*z4)/(2*s234*s34^2*z34) + (s13^2*s24*z4)/(s12*s234*s34^2*z34) + 
   (s12*s13*s24*z4)/(s134*s234*s34^2*z34) + 
   (s13^2*s24*z4)/(s134*s234*s34^2*z34) + (3*s13*s14*s24*z4)/
    (2*s12*s234*s34^2*z34) + (s12*s14*s24*z4)/(s134*s234*s34^2*z34) + 
   (2*s13*s14*s24*z4)/(s134*s234*s34^2*z34) + 
   (s14^2*s24*z4)/(2*s12*s234*s34^2*z34) + 
   (s14^2*s24*z4)/(s134*s234*s34^2*z34) + (3*s23*s24*z4)/(2*s234*s34^2*z34) + 
   (4*s13*s23*s24*z4)/(s12*s234*s34^2*z34) + (s13*s23*s24*z4)/
    (s134*s234*s34^2*z34) + (3*s14*s23*s24*z4)/(s12*s234*s34^2*z34) + 
   (s14*s23*s24*z4)/(s134*s234*s34^2*z34) + (4*s23^2*s24*z4)/
    (s12*s234*s34^2*z34) + (s24^2*z4)/(s12*s34^2*z34) + 
   (3*s13*s24^2*z4)/(s12^2*s34^2*z34) + (s13*s24^2*z4)/(s12*s134*s34^2*z34) + 
   (2*s14*s24^2*z4)/(s12^2*s34^2*z34) + (s14*s24^2*z4)/
    (2*s12*s134*s34^2*z34) + (6*s23*s24^2*z4)/(s12^2*s34^2*z34) + 
   (3*s24^2*z4)/(2*s234*s34^2*z34) + (3*s13*s24^2*z4)/(s12*s234*s34^2*z34) + 
   (s13*s24^2*z4)/(s134*s234*s34^2*z34) + (5*s14*s24^2*z4)/
    (2*s12*s234*s34^2*z34) + (s14*s24^2*z4)/(s134*s234*s34^2*z34) + 
   (5*s23*s24^2*z4)/(s12*s234*s34^2*z34) + (2*s24^3*z4)/(s12^2*s34^2*z34) + 
   (2*s24^3*z4)/(s12*s234*s34^2*z34) + z4/(s34*z34) - 
   (s13*z4)/(s12*s34*z34) - (3*s13*z4)/(4*s123*s34*z34) - 
   (3*s13*z4)/(4*s124*s34*z34) - (3*s13^2*z4)/(4*s12*s123*s34*z34) - 
   (3*s13^2*z4)/(4*s12*s124*s34*z34) - (s13*z4)/(s134*s34*z34) - 
   (s12*s13*z4)/(s123*s134*s34*z34) + (s12*s13*z4)/(2*s124*s134*s34*z34) - 
   (s13^2*z4)/(s123*s134*s34*z34) + (s13^2*z4)/(2*s124*s134*s34*z34) - 
   (s14*z4)/(4*s123*s34*z34) - (3*s14*z4)/(4*s124*s34*z34) - 
   (s13*s14*z4)/(s12*s123*s34*z34) - (3*s13*s14*z4)/(2*s12*s124*s34*z34) - 
   (s14*z4)/(2*s134*s34*z34) - (s12*s14*z4)/(s123*s134*s34*z34) + 
   (s12*s14*z4)/(2*s124*s134*s34*z34) - (2*s13*s14*z4)/(s123*s134*s34*z34) + 
   (s13*s14*z4)/(s124*s134*s34*z34) - (s14^2*z4)/(4*s12*s123*s34*z34) - 
   (3*s14^2*z4)/(4*s12*s124*s34*z34) - (s14^2*z4)/(s123*s134*s34*z34) + 
   (s14^2*z4)/(2*s124*s134*s34*z34) - (3*s23*z4)/(4*s123*s34*z34) - 
   (3*s23*z4)/(4*s124*s34*z34) + (s13*s23*z4)/(s12^2*s34*z34) - 
   (7*s13*s23*z4)/(4*s12*s123*s34*z34) - (7*s13*s23*z4)/
    (4*s12*s124*s34*z34) - (s13^2*s23*z4)/(4*s12^2*s123*s34*z34) - 
   (s13^2*s23*z4)/(4*s12^2*s124*s34*z34) + (s13*s23*z4)/(s12*s134*s34*z34) + 
   (s13*s23*z4)/(s123*s134*s34*z34) + (s13*s23*z4)/(2*s124*s134*s34*z34) + 
   (2*s13^2*s23*z4)/(s12*s123*s134*s34*z34) - 
   (3*s14*s23*z4)/(4*s12*s123*s34*z34) - (9*s14*s23*z4)/
    (4*s12*s124*s34*z34) - (s13*s14*s23*z4)/(s12^2*s124*s34*z34) + 
   (s14*s23*z4)/(2*s12*s134*s34*z34) + (s14*s23*z4)/(s123*s134*s34*z34) + 
   (s14*s23*z4)/(2*s124*s134*s34*z34) + (4*s13*s14*s23*z4)/
    (s12*s123*s134*s34*z34) + (s14^2*s23*z4)/(4*s12^2*s123*s34*z34) - 
   (3*s14^2*s23*z4)/(4*s12^2*s124*s34*z34) + (2*s14^2*s23*z4)/
    (s12*s123*s134*s34*z34) + (3*s23^2*z4)/(s12^2*s34*z34) + 
   (s23^2*z4)/(2*s12*s123*s34*z34) - (s23^2*z4)/(2*s12*s124*s34*z34) + 
   (s13*s23^2*z4)/(s12^2*s123*s34*z34) + (2*s13*s23^2*z4)/
    (s12*s123*s134*s34*z34) + (3*s14*s23^2*z4)/(2*s12^2*s123*s34*z34) - 
   (s14*s23^2*z4)/(2*s12^2*s124*s34*z34) + (2*s14*s23^2*z4)/
    (s12*s123*s134*s34*z34) + (5*s23^3*z4)/(4*s12^2*s123*s34*z34) + 
   (s23^3*z4)/(4*s12^2*s124*s34*z34) + (s12*s23*z4)/(2*s123*s234*s34*z34) - 
   (s12*s23*z4)/(s124*s234*s34*z34) + (s13*s23*z4)/(s12*s234*s34*z34) + 
   (s13*s23*z4)/(2*s123*s234*s34*z34) - (s13*s23*z4)/(s124*s234*s34*z34) + 
   (s14*s23*z4)/(2*s12*s234*s34*z34) + (s14*s23*z4)/(2*s123*s234*s34*z34) - 
   (s14*s23*z4)/(s124*s234*s34*z34) + (2*s23^2*z4)/(s12*s234*s34*z34) - 
   (s23^2*z4)/(2*s123*s234*s34*z34) - (s23^2*z4)/(s124*s234*s34*z34) - 
   (s13*s23^2*z4)/(s12*s123*s234*s34*z34) - 
   (s14*s23^2*z4)/(s12*s123*s234*s34*z34) - 
   (s23^3*z4)/(s12*s123*s234*s34*z34) + (2*s24*z4)/(s12*s34*z34) - 
   (s24*z4)/(4*s123*s34*z34) - (3*s24*z4)/(4*s124*s34*z34) + 
   (3*s13*s24*z4)/(s12^2*s34*z34) - (3*s13*s24*z4)/(2*s12*s123*s34*z34) - 
   (s13*s24*z4)/(s12*s124*s34*z34) - (s13^2*s24*z4)/(2*s12^2*s123*s34*z34) + 
   (s13^2*s24*z4)/(2*s12^2*s124*s34*z34) + (s24*z4)/(s134*s34*z34) + 
   (2*s13*s24*z4)/(s12*s134*s34*z34) - (s13*s24*z4)/(s123*s134*s34*z34) - 
   (s13*s24*z4)/(2*s124*s134*s34*z34) - (s13^2*s24*z4)/
    (s12*s124*s134*s34*z34) + (2*s14*s24*z4)/(s12^2*s34*z34) - 
   (s14*s24*z4)/(2*s12*s123*s34*z34) - (3*s14*s24*z4)/(2*s12*s124*s34*z34) - 
   (s13*s14*s24*z4)/(2*s12^2*s123*s34*z34) + (s13*s14*s24*z4)/
    (2*s12^2*s124*s34*z34) + (3*s14*s24*z4)/(2*s12*s134*s34*z34) - 
   (s14*s24*z4)/(s123*s134*s34*z34) - (s14*s24*z4)/(2*s124*s134*s34*z34) - 
   (2*s13*s14*s24*z4)/(s12*s124*s134*s34*z34) - 
   (s14^2*s24*z4)/(s12*s124*s134*s34*z34) + (7*s23*s24*z4)/(s12^2*s34*z34) + 
   (s23*s24*z4)/(4*s12*s123*s34*z34) - (s23*s24*z4)/(4*s12*s124*s34*z34) + 
   (s13*s23*s24*z4)/(2*s12^2*s123*s34*z34) + (3*s13*s23*s24*z4)/
    (2*s12^2*s124*s34*z34) + (s23*s24*z4)/(s12*s134*s34*z34) + 
   (2*s13*s23*s24*z4)/(s12*s123*s134*s34*z34) - 
   (s13*s23*s24*z4)/(s12*s124*s134*s34*z34) + (3*s14*s23*s24*z4)/
    (2*s12^2*s123*s34*z34) + (s14*s23*s24*z4)/(2*s12^2*s124*s34*z34) + 
   (2*s14*s23*s24*z4)/(s12*s123*s134*s34*z34) - 
   (s14*s23*s24*z4)/(s12*s124*s134*s34*z34) + 
   (5*s23^2*s24*z4)/(2*s12^2*s123*s34*z34) + (3*s23^2*s24*z4)/
    (2*s12^2*s124*s34*z34) + (3*s24*z4)/(2*s234*s34*z34) + 
   (s12*s24*z4)/(2*s123*s234*s34*z34) - (s12*s24*z4)/(s124*s234*s34*z34) + 
   (3*s13*s24*z4)/(s12*s234*s34*z34) + (s13*s24*z4)/(2*s123*s234*s34*z34) - 
   (s13*s24*z4)/(s124*s234*s34*z34) + (s12*s24*z4)/(s134*s234*s34*z34) + 
   (2*s13*s24*z4)/(s134*s234*s34*z34) + (5*s14*s24*z4)/(2*s12*s234*s34*z34) + 
   (s14*s24*z4)/(2*s123*s234*s34*z34) - (s14*s24*z4)/(s124*s234*s34*z34) + 
   (2*s14*s24*z4)/(s134*s234*s34*z34) + (6*s23*s24*z4)/(s12*s234*s34*z34) - 
   (s13*s23*s24*z4)/(s12*s123*s234*s34*z34) + (2*s13*s23*s24*z4)/
    (s12*s124*s234*s34*z34) + (s23*s24*z4)/(s134*s234*s34*z34) - 
   (s14*s23*s24*z4)/(s12*s123*s234*s34*z34) + (2*s14*s23*s24*z4)/
    (s12*s124*s234*s34*z34) - (2*s23^2*s24*z4)/(s12*s123*s234*s34*z34) + 
   (2*s23^2*s24*z4)/(s12*s124*s234*s34*z34) + (4*s24^2*z4)/(s12^2*s34*z34) - 
   (s24^2*z4)/(4*s12*s123*s34*z34) + (s24^2*z4)/(4*s12*s124*s34*z34) - 
   (s13*s24^2*z4)/(2*s12^2*s123*s34*z34) + (3*s13*s24^2*z4)/
    (2*s12^2*s124*s34*z34) + (s24^2*z4)/(s12*s134*s34*z34) - 
   (s13*s24^2*z4)/(s12*s124*s134*s34*z34) + 
   (s14*s24^2*z4)/(s12^2*s124*s34*z34) - (s14*s24^2*z4)/
    (s12*s124*s134*s34*z34) + (5*s23*s24^2*z4)/(4*s12^2*s123*s34*z34) + 
   (9*s23*s24^2*z4)/(4*s12^2*s124*s34*z34) + 
   (4*s24^2*z4)/(s12*s234*s34*z34) + (s24^2*z4)/(2*s123*s234*s34*z34) + 
   (s24^2*z4)/(s124*s234*s34*z34) + (2*s13*s24^2*z4)/
    (s12*s124*s234*s34*z34) + (s24^2*z4)/(s134*s234*s34*z34) + 
   (2*s14*s24^2*z4)/(s12*s124*s234*s34*z34) - 
   (s23*s24^2*z4)/(s12*s123*s234*s34*z34) + (4*s23*s24^2*z4)/
    (s12*s124*s234*s34*z34) + (s24^3*z4)/(s12^2*s124*s34*z34) + 
   (2*s24^3*z4)/(s12*s124*s234*s34*z34) - (s34*z4)/(s123*s134*z34) + 
   (s34*z4)/(2*s124*s134*z34) + (s23*s34*z4)/(s12^2*s123*z34) + 
   (2*s23*s34*z4)/(s12*s123*s134*z34) + (s34*z4)/(2*s123*s234*z34) - 
   (s34*z4)/(s124*s234*z34) - (s23*s34*z4)/(s12*s123*s234*z34) + 
   (s24*s34*z4)/(s12^2*s124*z34) - (s24*s34*z4)/(s12*s124*s134*z34) + 
   (2*s24*s34*z4)/(s12*s124*s234*z34) - (z1*z4)/(s12*z12*z34) - 
   (z1*z4)/(2*s123*z12*z34) + (z1*z4)/(2*s124*z12*z34) - 
   (3*s13*z1*z4)/(4*s12*s123*z12*z34) + (3*s13*z1*z4)/(4*s12*s124*z12*z34) - 
   (3*s14*z1*z4)/(4*s12*s123*z12*z34) + (3*s14*z1*z4)/(4*s12*s124*z12*z34) - 
   (s23*z1*z4)/(s12^2*z12*z34) - (3*s23*z1*z4)/(4*s12*s123*z12*z34) + 
   (7*s23*z1*z4)/(4*s12*s124*z12*z34) - (3*s13*s23*z1*z4)/
    (4*s12^2*s123*z12*z34) + (s13*s23*z1*z4)/(4*s12^2*s124*z12*z34) - 
   (5*s14*s23*z1*z4)/(4*s12^2*s123*z12*z34) + 
   (3*s14*s23*z1*z4)/(4*s12^2*s124*z12*z34) - 
   (3*s23^2*z1*z4)/(4*s12^2*s123*z12*z34) + 
   (s23^2*z1*z4)/(4*s12^2*s124*z12*z34) - (2*s24*z1*z4)/(s12^2*z12*z34) - 
   (s24*z1*z4)/(4*s12*s123*z12*z34) + (s24*z1*z4)/(4*s12*s124*z12*z34) + 
   (s13*s24*z1*z4)/(2*s12^2*s123*z12*z34) - (3*s13*s24*z1*z4)/
    (2*s12^2*s124*z12*z34) - (s24*z1*z4)/(2*s12*s134*z12*z34) - 
   (s14*s24*z1*z4)/(s12^2*s124*z12*z34) - (3*s23*s24*z1*z4)/
    (4*s12^2*s123*z12*z34) - (3*s23*s24*z1*z4)/(4*s12^2*s124*z12*z34) - 
   (s24*z1*z4)/(2*s12*s234*z12*z34) - (s24^2*z1*z4)/(s12^2*s124*z12*z34) + 
   (2*s23*z1*z4)/(s34^2*z12*z34) + (2*s13*s23*z1*z4)/(s12*s34^2*z12*z34) + 
   (3*s14*s23*z1*z4)/(s12*s34^2*z12*z34) + (s13*s14*s23*z1*z4)/
    (s12^2*s34^2*z12*z34) + (s14^2*s23*z1*z4)/(s12^2*s34^2*z12*z34) + 
   (2*s23^2*z1*z4)/(s12*s34^2*z12*z34) + (s14*s23^2*z1*z4)/
    (s12^2*s34^2*z12*z34) + (s24*z1*z4)/(s34^2*z12*z34) - 
   (s13^2*s24*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s13*s24*z1*z4)/(4*s134*s34^2*z12*z34) - (s13^2*s24*z1*z4)/
    (4*s12*s134*s34^2*z12*z34) + (s14*s24*z1*z4)/(s12*s34^2*z12*z34) - 
   (s13*s14*s24*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s14*s24*z1*z4)/(4*s134*s34^2*z12*z34) - (s13*s14*s24*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) - (s14^2*s24*z1*z4)/
    (4*s12*s134*s34^2*z12*z34) + (3*s23*s24*z1*z4)/(s12*s34^2*z12*z34) - 
   (s13*s23*s24*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s23*s24*z1*z4)/(4*s134*s34^2*z12*z34) - (s13*s23*s24*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s23*s24*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s14*s23*s24*z1*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s23^2*s24*z1*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s13*s24*z1*z4)/(4*s234*s34^2*z12*z34) - (s13^2*s24*z1*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s14*s24*z1*z4)/(4*s234*s34^2*z12*z34) - 
   (s13*s14*s24*z1*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s14^2*s24*z1*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (s23*s24*z1*z4)/(4*s234*s34^2*z12*z34) - (s13*s23*s24*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) - (s14*s23*s24*z1*z4)/
    (2*s12*s234*s34^2*z12*z34) - (s23^2*s24*z1*z4)/
    (4*s12*s234*s34^2*z12*z34) + (s24^2*z1*z4)/(s12*s34^2*z12*z34) - 
   (s13*s24^2*z1*z4)/(s12^2*s34^2*z12*z34) - 
   (s24^2*z1*z4)/(4*s134*s34^2*z12*z34) - (s13*s24^2*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) - (s14*s24^2*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) - (s23*s24^2*z1*z4)/
    (2*s12*s134*s34^2*z12*z34) - (s24^2*z1*z4)/(4*s234*s34^2*z12*z34) - 
   (s13*s24^2*z1*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s14*s24^2*z1*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s23*s24^2*z1*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s24^3*z1*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s24^3*z1*z4)/(4*s12*s234*s34^2*z12*z34) - (z1*z4)/(s34*z12*z34) - 
   (s13*z1*z4)/(s12*s34*z12*z34) - (s13*z1*z4)/(4*s123*s34*z12*z34) + 
   (s13*z1*z4)/(4*s124*s34*z12*z34) - (s13^2*z1*z4)/
    (4*s12*s123*s34*z12*z34) + (s13^2*z1*z4)/(4*s12*s124*s34*z12*z34) - 
   (s14*z1*z4)/(s12*s34*z12*z34) - (s14*z1*z4)/(4*s123*s34*z12*z34) + 
   (s14*z1*z4)/(4*s124*s34*z12*z34) - (s13*s14*z1*z4)/
    (2*s12*s123*s34*z12*z34) + (s13*s14*z1*z4)/(2*s12*s124*s34*z12*z34) - 
   (s14^2*z1*z4)/(4*s12*s123*s34*z12*z34) + 
   (s14^2*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (3*s23*z1*z4)/(4*s123*s34*z12*z34) + (5*s23*z1*z4)/(4*s124*s34*z12*z34) - 
   (s13*s23*z1*z4)/(s12^2*s34*z12*z34) + (3*s13*s23*z1*z4)/
    (4*s12*s123*s34*z12*z34) + (7*s13*s23*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13^2*s23*z1*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s13^2*s23*z1*z4)/(4*s12^2*s124*s34*z12*z34) + 
   (s14*s23*z1*z4)/(4*s12*s123*s34*z12*z34) + 
   (9*s14*s23*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13*s14*s23*z1*z4)/(s12^2*s124*s34*z12*z34) - 
   (s14^2*s23*z1*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (3*s14^2*s23*z1*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (s23^2*z1*z4)/(s12^2*s34*z12*z34) + (s23^2*z1*z4)/(s12*s123*s34*z12*z34) + 
   (3*s23^2*z1*z4)/(2*s12*s124*s34*z12*z34) + 
   (s13*s23^2*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s13*s23^2*z1*z4)/(2*s12^2*s124*s34*z12*z34) + 
   (s14*s23^2*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (s23^3*z1*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s23^3*z1*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (2*s24*z1*z4)/(s12*s34*z12*z34) + (s24*z1*z4)/(4*s123*s34*z12*z34) + 
   (3*s24*z1*z4)/(4*s124*s34*z12*z34) - (3*s13*s24*z1*z4)/
    (s12^2*s34*z12*z34) + (s13*s24*z1*z4)/(2*s12*s123*s34*z12*z34) + 
   (s13*s24*z1*z4)/(2*s12*s124*s34*z12*z34) + 
   (s13^2*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s24*z1*z4)/(2*s134*s34*z12*z34) - (3*s13*s24*z1*z4)/
    (4*s12*s134*s34*z12*z34) - (2*s14*s24*z1*z4)/(s12^2*s34*z12*z34) + 
   (s14*s24*z1*z4)/(s12*s124*s34*z12*z34) + (s13*s14*s24*z1*z4)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s14*s24*z1*z4)/
    (2*s12^2*s124*s34*z12*z34) - (3*s14*s24*z1*z4)/(4*s12*s134*s34*z12*z34) - 
   (3*s23*s24*z1*z4)/(s12^2*s34*z12*z34) + (5*s23*s24*z1*z4)/
    (4*s12*s123*s34*z12*z34) + (9*s23*s24*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13*s23*s24*z1*z4)/(s12^2*s123*s34*z12*z34) - 
   (3*s23*s24*z1*z4)/(4*s12*s134*s34*z12*z34) + 
   (s14*s23*s24*z1*z4)/(s12^2*s124*s34*z12*z34) + 
   (s23^2*s24*z1*z4)/(2*s12^2*s123*s34*z12*z34) + 
   (s23^2*s24*z1*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (s24*z1*z4)/(2*s234*s34*z12*z34) - (3*s13*s24*z1*z4)/
    (4*s12*s234*s34*z12*z34) - (3*s14*s24*z1*z4)/(4*s12*s234*s34*z12*z34) - 
   (3*s23*s24*z1*z4)/(4*s12*s234*s34*z12*z34) - 
   (2*s24^2*z1*z4)/(s12^2*s34*z12*z34) + (s24^2*z1*z4)/
    (4*s12*s123*s34*z12*z34) + (3*s24^2*z1*z4)/(4*s12*s124*s34*z12*z34) + 
   (s13*s24^2*z1*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13*s24^2*z1*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (3*s24^2*z1*z4)/(4*s12*s134*s34*z12*z34) + 
   (s23*s24^2*z1*z4)/(4*s12^2*s123*s34*z12*z34) + 
   (s23*s24^2*z1*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (3*s24^2*z1*z4)/(4*s12*s234*s34*z12*z34) - 
   (s34*z1*z4)/(2*s12*s123*z12*z34) + (s34*z1*z4)/(2*s12*s124*z12*z34) - 
   (s23*s34*z1*z4)/(s12^2*s123*z12*z34) - (s24*s34*z1*z4)/
    (s12^2*s124*z12*z34) + (4*z1*z2*z4)/(s12*z12^2*z34) + 
   (2*z1*z2*z4)/(s123*z12^2*z34) + (2*z1*z2*z4)/(s124*z12^2*z34) + 
   (2*s13*z1*z2*z4)/(s12^2*z12^2*z34) + (5*s13*z1*z2*z4)/
    (s12*s123*z12^2*z34) + (3*s13*z1*z2*z4)/(s12*s124*z12^2*z34) + 
   (3*s13^2*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (4*s14*z1*z2*z4)/(s12^2*z12^2*z34) + (3*s14*z1*z2*z4)/
    (s12*s123*z12^2*z34) + (5*s14*z1*z2*z4)/(s12*s124*z12^2*z34) + 
   (3*s13*s14*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (3*s13*s14*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (3*s14^2*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (2*s23*z1*z2*z4)/(s12^2*z12^2*z34) + (5*s23*z1*z2*z4)/
    (s12*s123*z12^2*z34) + (3*s23*z1*z2*z4)/(s12*s124*z12^2*z34) + 
   (6*s13*s23*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (3*s14*s23*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (3*s14*s23*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (3*s23^2*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (4*s24*z1*z2*z4)/(s12^2*z12^2*z34) + (3*s24*z1*z2*z4)/
    (s12*s123*z12^2*z34) + (5*s24*z1*z2*z4)/(s12*s124*z12^2*z34) + 
   (3*s13*s24*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (3*s13*s24*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (6*s14*s24*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (3*s23*s24*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (3*s23*s24*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (3*s24^2*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (4*s13*z1*z2*z4)/(s34^2*z12^2*z34) + (6*s13^2*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (2*s13^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (2*s14*z1*z2*z4)/(s34^2*z12^2*z34) + (10*s13*s14*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (6*s13^2*s14*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (4*s14^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) + (6*s13*s14^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (2*s14^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (4*s23*z1*z2*z4)/(s34^2*z12^2*z34) + (12*s13*s23*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (6*s13^2*s23*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (10*s14*s23*z1*z2*z4)/(s12*s34^2*z12^2*z34) + (12*s13*s14*s23*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (6*s14^2*s23*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (6*s23^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) + 
   (6*s13*s23^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (6*s14*s23^2*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (2*s23^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (2*s24*z1*z2*z4)/(s34^2*z12^2*z34) + (10*s13*s24*z1*z2*z4)/
    (s12*s34^2*z12^2*z34) + (6*s13^2*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (8*s14*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) + (12*s13*s14*s24*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (6*s14^2*s24*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (10*s23*s24*z1*z2*z4)/(s12*s34^2*z12^2*z34) + 
   (12*s13*s23*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (12*s14*s23*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (6*s23^2*s24*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (4*s24^2*z1*z2*z4)/(s12*s34^2*z12^2*z34) + (6*s13*s24^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (6*s14*s24^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (6*s23*s24^2*z1*z2*z4)/
    (s12^2*s34^2*z12^2*z34) + (2*s24^3*z1*z2*z4)/(s12^2*s34^2*z12^2*z34) + 
   (4*z1*z2*z4)/(s34*z12^2*z34) + (10*s13*z1*z2*z4)/(s12*s34*z12^2*z34) + 
   (s13*z1*z2*z4)/(s123*s34*z12^2*z34) + (s13*z1*z2*z4)/
    (s124*s34*z12^2*z34) + (4*s13^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (2*s13^2*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (s13^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (s13^3*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (10*s14*z1*z2*z4)/(s12*s34*z12^2*z34) + 
   (s14*z1*z2*z4)/(s123*s34*z12^2*z34) + (s14*z1*z2*z4)/
    (s124*s34*z12^2*z34) + (10*s13*s14*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (3*s13*s14*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (3*s13*s14*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (2*s13^2*s14*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (s13^2*s14*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (6*s14^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (s14^2*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (2*s14^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (s13*s14^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s14^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (s14^3*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (10*s23*z1*z2*z4)/(s12*s34*z12^2*z34) + 
   (s23*z1*z2*z4)/(s123*s34*z12^2*z34) + (s23*z1*z2*z4)/
    (s124*s34*z12^2*z34) + (8*s13*s23*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (4*s13*s23*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (2*s13*s23*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (3*s13^2*s23*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (10*s14*s23*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (3*s14*s23*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (3*s14*s23*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (4*s13*s14*s23*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s14*s23*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (s14^2*s23*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s14^2*s23*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (4*s23^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) + (2*s23^2*z1*z2*z4)/
    (s12*s123*s34*z12^2*z34) + (s23^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (3*s13*s23^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s14*s23^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (s14*s23^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (s23^3*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (10*s24*z1*z2*z4)/(s12*s34*z12^2*z34) + 
   (s24*z1*z2*z4)/(s123*s34*z12^2*z34) + (s24*z1*z2*z4)/
    (s124*s34*z12^2*z34) + (10*s13*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (3*s13*s24*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (3*s13*s24*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (2*s13^2*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (s13^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (12*s14*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (2*s14*s24*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (4*s14*s24*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (2*s13*s14*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (4*s13*s14*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (3*s14^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (10*s23*s24*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (3*s23*s24*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (3*s23*s24*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (4*s13*s23*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s23*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (2*s14*s23*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (4*s14*s23*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (2*s23^2*s24*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (s23^2*s24*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (6*s24^2*z1*z2*z4)/(s12^2*s34*z12^2*z34) + 
   (s24^2*z1*z2*z4)/(s12*s123*s34*z12^2*z34) + 
   (2*s24^2*z1*z2*z4)/(s12*s124*s34*z12^2*z34) + 
   (s13*s24^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s13*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (3*s14*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (s23*s24^2*z1*z2*z4)/(s12^2*s123*s34*z12^2*z34) + 
   (2*s23*s24^2*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (s24^3*z1*z2*z4)/(s12^2*s124*s34*z12^2*z34) + 
   (2*s34*z1*z2*z4)/(s12*s123*z12^2*z34) + (2*s34*z1*z2*z4)/
    (s12*s124*z12^2*z34) + (2*s13*s34*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (2*s14*s34*z1*z2*z4)/(s12^2*s124*z12^2*z34) + 
   (2*s23*s34*z1*z2*z4)/(s12^2*s123*z12^2*z34) + 
   (2*s24*s34*z1*z2*z4)/(s12^2*s124*z12^2*z34) - (3*z2*z4)/(s12*z12*z34) - 
   (3*z2*z4)/(2*s123*z12*z34) - (z2*z4)/(2*s124*z12*z34) - 
   (2*s13*z2*z4)/(s12^2*z12*z34) - (17*s13*z2*z4)/(4*s12*s123*z12*z34) - 
   (3*s13*z2*z4)/(4*s12*s124*z12*z34) - (3*s13^2*z2*z4)/
    (s12^2*s123*z12*z34) - (3*z2*z4)/(2*s134*z12*z34) - 
   (2*s12*z2*z4)/(s123*s134*z12*z34) + (s12*z2*z4)/(s124*s134*z12*z34) - 
   (3*s13*z2*z4)/(4*s12*s134*z12*z34) - (6*s13*z2*z4)/(s123*s134*z12*z34) + 
   (2*s13*z2*z4)/(s124*s134*z12*z34) - (4*s13^2*z2*z4)/
    (s12*s123*s134*z12*z34) - (4*s14*z2*z4)/(s12^2*z12*z34) - 
   (9*s14*z2*z4)/(4*s12*s123*z12*z34) - (11*s14*z2*z4)/(4*s12*s124*z12*z34) - 
   (3*s13*s14*z2*z4)/(s12^2*s123*z12*z34) - (3*s13*s14*z2*z4)/
    (s12^2*s124*z12*z34) - (7*s14*z2*z4)/(4*s12*s134*z12*z34) - 
   (4*s14*z2*z4)/(s123*s134*z12*z34) + (3*s14*z2*z4)/(s124*s134*z12*z34) - 
   (4*s13*s14*z2*z4)/(s12*s123*s134*z12*z34) + 
   (2*s13*s14*z2*z4)/(s12*s124*s134*z12*z34) - 
   (3*s14^2*z2*z4)/(s12^2*s124*z12*z34) + (2*s14^2*z2*z4)/
    (s12*s124*s134*z12*z34) - (s23*z2*z4)/(s12^2*z12*z34) - 
   (17*s23*z2*z4)/(4*s12*s123*z12*z34) - (7*s23*z2*z4)/(4*s12*s124*z12*z34) - 
   (21*s13*s23*z2*z4)/(4*s12^2*s123*z12*z34) - 
   (s13*s23*z2*z4)/(4*s12^2*s124*z12*z34) - 
   (3*s23*z2*z4)/(4*s12*s134*z12*z34) - (4*s23*z2*z4)/(s123*s134*z12*z34) + 
   (s23*z2*z4)/(s124*s134*z12*z34) - (6*s13*s23*z2*z4)/
    (s12*s123*s134*z12*z34) - (7*s14*s23*z2*z4)/(4*s12^2*s123*z12*z34) - 
   (15*s14*s23*z2*z4)/(4*s12^2*s124*z12*z34) - 
   (4*s14*s23*z2*z4)/(s12*s123*s134*z12*z34) + 
   (s14*s23*z2*z4)/(s12*s124*s134*z12*z34) - 
   (9*s23^2*z2*z4)/(4*s12^2*s123*z12*z34) - 
   (s23^2*z2*z4)/(4*s12^2*s124*z12*z34) - (2*s23^2*z2*z4)/
    (s12*s123*s134*z12*z34) - (z2*z4)/(2*s234*z12*z34) + 
   (s12*z2*z4)/(s123*s234*z12*z34) - (2*s12*z2*z4)/(s124*s234*z12*z34) - 
   (s13*z2*z4)/(4*s12*s234*z12*z34) + (2*s13*z2*z4)/(s123*s234*z12*z34) - 
   (2*s13*z2*z4)/(s124*s234*z12*z34) + (s13^2*z2*z4)/
    (s12*s123*s234*z12*z34) - (5*s14*z2*z4)/(4*s12*s234*z12*z34) + 
   (s14*z2*z4)/(s123*s234*z12*z34) - (4*s14*z2*z4)/(s124*s234*z12*z34) + 
   (s13*s14*z2*z4)/(s12*s123*s234*z12*z34) - (2*s13*s14*z2*z4)/
    (s12*s124*s234*z12*z34) - (2*s14^2*z2*z4)/(s12*s124*s234*z12*z34) - 
   (s23*z2*z4)/(4*s12*s234*z12*z34) + (3*s23*z2*z4)/(s123*s234*z12*z34) - 
   (4*s23*z2*z4)/(s124*s234*z12*z34) + (3*s13*s23*z2*z4)/
    (s12*s123*s234*z12*z34) + (s14*s23*z2*z4)/(s12*s123*s234*z12*z34) - 
   (4*s14*s23*z2*z4)/(s12*s124*s234*z12*z34) + 
   (2*s23^2*z2*z4)/(s12*s123*s234*z12*z34) - (2*s24*z2*z4)/(s12^2*z12*z34) - 
   (11*s24*z2*z4)/(4*s12*s123*z12*z34) - (9*s24*z2*z4)/(4*s12*s124*z12*z34) - 
   (7*s13*s24*z2*z4)/(2*s12^2*s123*z12*z34) - 
   (3*s13*s24*z2*z4)/(2*s12^2*s124*z12*z34) - 
   (5*s24*z2*z4)/(4*s12*s134*z12*z34) - (2*s24*z2*z4)/(s123*s134*z12*z34) + 
   (2*s24*z2*z4)/(s124*s134*z12*z34) - (2*s13*s24*z2*z4)/
    (s12*s123*s134*z12*z34) + (2*s13*s24*z2*z4)/(s12*s124*s134*z12*z34) - 
   (5*s14*s24*z2*z4)/(s12^2*s124*z12*z34) + (3*s14*s24*z2*z4)/
    (s12*s124*s134*z12*z34) - (9*s23*s24*z2*z4)/(4*s12^2*s123*z12*z34) - 
   (9*s23*s24*z2*z4)/(4*s12^2*s124*z12*z34) - 
   (2*s23*s24*z2*z4)/(s12*s123*s134*z12*z34) + 
   (s23*s24*z2*z4)/(s12*s124*s134*z12*z34) - 
   (3*s24*z2*z4)/(4*s12*s234*z12*z34) + (2*s24*z2*z4)/(s123*s234*z12*z34) - 
   (6*s24*z2*z4)/(s124*s234*z12*z34) + (2*s13*s24*z2*z4)/
    (s12*s123*s234*z12*z34) - (2*s13*s24*z2*z4)/(s12*s124*s234*z12*z34) - 
   (6*s14*s24*z2*z4)/(s12*s124*s234*z12*z34) + 
   (2*s23*s24*z2*z4)/(s12*s123*s234*z12*z34) - 
   (4*s23*s24*z2*z4)/(s12*s124*s234*z12*z34) - 
   (2*s24^2*z2*z4)/(s12^2*s124*z12*z34) + 
   (s24^2*z2*z4)/(s12*s124*s134*z12*z34) - (4*s24^2*z2*z4)/
    (s12*s124*s234*z12*z34) - (2*s13*z2*z4)/(s34^2*z12*z34) - 
   (4*s13^2*z2*z4)/(s12*s34^2*z12*z34) - (2*s13^3*z2*z4)/
    (s12^2*s34^2*z12*z34) - (2*s12*s13*z2*z4)/(s134*s34^2*z12*z34) - 
   (3*s13^2*z2*z4)/(s134*s34^2*z12*z34) - 
   (s13^3*z2*z4)/(s12*s134*s34^2*z12*z34) - (s14*z2*z4)/(s34^2*z12*z34) - 
   (7*s13*s14*z2*z4)/(s12*s34^2*z12*z34) - (6*s13^2*s14*z2*z4)/
    (s12^2*s34^2*z12*z34) - (s12*s14*z2*z4)/(s134*s34^2*z12*z34) - 
   (21*s13*s14*z2*z4)/(4*s134*s34^2*z12*z34) - (13*s13^2*s14*z2*z4)/
    (4*s12*s134*s34^2*z12*z34) - (3*s14^2*z2*z4)/(s12*s34^2*z12*z34) - 
   (6*s13*s14^2*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (9*s14^2*z2*z4)/(4*s134*s34^2*z12*z34) - (7*s13*s14^2*z2*z4)/
    (2*s12*s134*s34^2*z12*z34) - (2*s14^3*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (5*s14^3*z2*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (4*s23*z2*z4)/(s34^2*z12*z34) - (10*s13*s23*z2*z4)/(s12*s34^2*z12*z34) - 
   (6*s13^2*s23*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (3*s13*s23*z2*z4)/(s134*s34^2*z12*z34) - (2*s13^2*s23*z2*z4)/
    (s12*s134*s34^2*z12*z34) - (10*s14*s23*z2*z4)/(s12*s34^2*z12*z34) - 
   (13*s13*s14*s23*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (7*s14*s23*z2*z4)/(4*s134*s34^2*z12*z34) - (4*s13*s14*s23*z2*z4)/
    (s12*s134*s34^2*z12*z34) - (7*s14^2*s23*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (2*s14^2*s23*z2*z4)/(s12*s134*s34^2*z12*z34) - 
   (6*s23^2*z2*z4)/(s12*s34^2*z12*z34) - (6*s13*s23^2*z2*z4)/
    (s12^2*s34^2*z12*z34) - (s13*s23^2*z2*z4)/(s12*s134*s34^2*z12*z34) - 
   (7*s14*s23^2*z2*z4)/(s12^2*s34^2*z12*z34) - (3*s14*s23^2*z2*z4)/
    (4*s12*s134*s34^2*z12*z34) - (2*s23^3*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (s13*s14*z2*z4)/(4*s234*s34^2*z12*z34) - (s13^2*s14*z2*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s14^2*z2*z4)/(4*s234*s34^2*z12*z34) - 
   (s13*s14^2*z2*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (s14^3*z2*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (2*s12*s23*z2*z4)/(s234*s34^2*z12*z34) - (3*s13*s23*z2*z4)/
    (s234*s34^2*z12*z34) - (s13^2*s23*z2*z4)/(s12*s234*s34^2*z12*z34) - 
   (15*s14*s23*z2*z4)/(4*s234*s34^2*z12*z34) - (3*s13*s14*s23*z2*z4)/
    (s12*s234*s34^2*z12*z34) - (2*s14^2*s23*z2*z4)/(s12*s234*s34^2*z12*z34) - 
   (3*s23^2*z2*z4)/(s234*s34^2*z12*z34) - (2*s13*s23^2*z2*z4)/
    (s12*s234*s34^2*z12*z34) - (11*s14*s23^2*z2*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s23^3*z2*z4)/(s12*s234*s34^2*z12*z34) - 
   (2*s24*z2*z4)/(s34^2*z12*z34) - (7*s13*s24*z2*z4)/(s12*s34^2*z12*z34) - 
   (5*s13^2*s24*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (7*s13*s24*z2*z4)/(2*s134*s34^2*z12*z34) - (5*s13^2*s24*z2*z4)/
    (2*s12*s134*s34^2*z12*z34) - (7*s14*s24*z2*z4)/(s12*s34^2*z12*z34) - 
   (11*s13*s14*s24*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (9*s14*s24*z2*z4)/(4*s134*s34^2*z12*z34) - (5*s13*s14*s24*z2*z4)/
    (s12*s134*s34^2*z12*z34) - (6*s14^2*s24*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (5*s14^2*s24*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (10*s23*s24*z2*z4)/(s12*s34^2*z12*z34) - (11*s13*s23*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) - (5*s13*s23*s24*z2*z4)/
    (2*s12*s134*s34^2*z12*z34) - (13*s14*s23*s24*z2*z4)/
    (s12^2*s34^2*z12*z34) - (2*s14*s23*s24*z2*z4)/(s12*s134*s34^2*z12*z34) - 
   (6*s23^2*s24*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (s12*s24*z2*z4)/(s234*s34^2*z12*z34) - (3*s13*s24*z2*z4)/
    (2*s234*s34^2*z12*z34) - (s13^2*s24*z2*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (9*s14*s24*z2*z4)/(4*s234*s34^2*z12*z34) - (2*s13*s14*s24*z2*z4)/
    (s12*s234*s34^2*z12*z34) - (3*s14^2*s24*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) - (5*s23*s24*z2*z4)/(s234*s34^2*z12*z34) - 
   (7*s13*s23*s24*z2*z4)/(2*s12*s234*s34^2*z12*z34) - 
   (5*s14*s23*s24*z2*z4)/(s12*s234*s34^2*z12*z34) - 
   (3*s23^2*s24*z2*z4)/(s12*s234*s34^2*z12*z34) - 
   (4*s24^2*z2*z4)/(s12*s34^2*z12*z34) - (5*s13*s24^2*z2*z4)/
    (s12^2*s34^2*z12*z34) - (3*s13*s24^2*z2*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (6*s14*s24^2*z2*z4)/(s12^2*s34^2*z12*z34) - (5*s14*s24^2*z2*z4)/
    (4*s12*s134*s34^2*z12*z34) - (6*s23*s24^2*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (2*s24^2*z2*z4)/(s234*s34^2*z12*z34) - (3*s13*s24^2*z2*z4)/
    (2*s12*s234*s34^2*z12*z34) - (9*s14*s24^2*z2*z4)/
    (4*s12*s234*s34^2*z12*z34) - (3*s23*s24^2*z2*z4)/
    (s12*s234*s34^2*z12*z34) - (2*s24^3*z2*z4)/(s12^2*s34^2*z12*z34) - 
   (s24^3*z2*z4)/(s12*s234*s34^2*z12*z34) - (3*z2*z4)/(s34*z12*z34) - 
   (7*s13*z2*z4)/(s12*s34*z12*z34) - (3*s13*z2*z4)/(4*s123*s34*z12*z34) - 
   (s13*z2*z4)/(4*s124*s34*z12*z34) - (4*s13^2*z2*z4)/(s12^2*s34*z12*z34) - 
   (7*s13^2*z2*z4)/(4*s12*s123*s34*z12*z34) - 
   (s13^2*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13^3*z2*z4)/(s12^2*s123*s34*z12*z34) - 
   (3*s12*z2*z4)/(2*s134*s34*z12*z34) - (17*s13*z2*z4)/(4*s134*s34*z12*z34) - 
   (2*s12*s13*z2*z4)/(s123*s134*s34*z12*z34) + 
   (s12*s13*z2*z4)/(s124*s134*s34*z12*z34) - 
   (7*s13^2*z2*z4)/(4*s12*s134*s34*z12*z34) - 
   (4*s13^2*z2*z4)/(s123*s134*s34*z12*z34) + 
   (s13^2*z2*z4)/(s124*s134*s34*z12*z34) - (2*s13^3*z2*z4)/
    (s12*s123*s134*s34*z12*z34) - (8*s14*z2*z4)/(s12*s34*z12*z34) - 
   (3*s14*z2*z4)/(4*s123*s34*z12*z34) - (s14*z2*z4)/(4*s124*s34*z12*z34) - 
   (10*s13*s14*z2*z4)/(s12^2*s34*z12*z34) - (5*s13*s14*z2*z4)/
    (2*s12*s123*s34*z12*z34) - (3*s13*s14*z2*z4)/(2*s12*s124*s34*z12*z34) - 
   (2*s13^2*s14*z2*z4)/(s12^2*s123*s34*z12*z34) - 
   (s13^2*s14*z2*z4)/(s12^2*s124*s34*z12*z34) - 
   (17*s14*z2*z4)/(4*s134*s34*z12*z34) - (2*s12*s14*z2*z4)/
    (s123*s134*s34*z12*z34) + (s12*s14*z2*z4)/(s124*s134*s34*z12*z34) - 
   (19*s13*s14*z2*z4)/(4*s12*s134*s34*z12*z34) - 
   (6*s13*s14*z2*z4)/(s123*s134*s34*z12*z34) + 
   (3*s13*s14*z2*z4)/(s124*s134*s34*z12*z34) - (4*s13^2*s14*z2*z4)/
    (s12*s123*s134*s34*z12*z34) + (s13^2*s14*z2*z4)/
    (s12*s124*s134*s34*z12*z34) - (6*s14^2*z2*z4)/(s12^2*s34*z12*z34) - 
   (3*s14^2*z2*z4)/(4*s12*s123*s34*z12*z34) - 
   (5*s14^2*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (s13*s14^2*z2*z4)/(s12^2*s123*s34*z12*z34) - 
   (2*s13*s14^2*z2*z4)/(s12^2*s124*s34*z12*z34) - 
   (3*s14^2*z2*z4)/(s12*s134*s34*z12*z34) - (2*s14^2*z2*z4)/
    (s123*s134*s34*z12*z34) + (2*s14^2*z2*z4)/(s124*s134*s34*z12*z34) - 
   (2*s13*s14^2*z2*z4)/(s12*s123*s134*s34*z12*z34) + 
   (2*s13*s14^2*z2*z4)/(s12*s124*s134*s34*z12*z34) - 
   (s14^3*z2*z4)/(s12^2*s124*s34*z12*z34) + 
   (s14^3*z2*z4)/(s12*s124*s134*s34*z12*z34) - 
   (8*s23*z2*z4)/(s12*s34*z12*z34) - (7*s23*z2*z4)/(4*s123*s34*z12*z34) - 
   (5*s23*z2*z4)/(4*s124*s34*z12*z34) - (7*s13*s23*z2*z4)/
    (s12^2*s34*z12*z34) - (19*s13*s23*z2*z4)/(4*s12*s123*s34*z12*z34) - 
   (7*s13*s23*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (13*s13^2*s23*z2*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s13^2*s23*z2*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (9*s23*z2*z4)/(4*s134*s34*z12*z34) - (5*s13*s23*z2*z4)/
    (2*s12*s134*s34*z12*z34) - (4*s13*s23*z2*z4)/(s123*s134*s34*z12*z34) + 
   (s13*s23*z2*z4)/(s124*s134*s34*z12*z34) - (4*s13^2*s23*z2*z4)/
    (s12*s123*s134*s34*z12*z34) - (10*s14*s23*z2*z4)/(s12^2*s34*z12*z34) - 
   (13*s14*s23*z2*z4)/(4*s12*s123*s34*z12*z34) - 
   (13*s14*s23*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (4*s13*s14*s23*z2*z4)/(s12^2*s123*s34*z12*z34) - 
   (3*s13*s14*s23*z2*z4)/(s12^2*s124*s34*z12*z34) - 
   (13*s14*s23*z2*z4)/(4*s12*s134*s34*z12*z34) - 
   (4*s14*s23*z2*z4)/(s123*s134*s34*z12*z34) + 
   (s14*s23*z2*z4)/(s124*s134*s34*z12*z34) - (6*s13*s14*s23*z2*z4)/
    (s12*s123*s134*s34*z12*z34) + (s13*s14*s23*z2*z4)/
    (s12*s124*s134*s34*z12*z34) - (3*s14^2*s23*z2*z4)/
    (4*s12^2*s123*s34*z12*z34) - (11*s14^2*s23*z2*z4)/
    (4*s12^2*s124*s34*z12*z34) - (2*s14^2*s23*z2*z4)/
    (s12*s123*s134*s34*z12*z34) + (s14^2*s23*z2*z4)/
    (s12*s124*s134*s34*z12*z34) - (3*s23^2*z2*z4)/(s12^2*s34*z12*z34) - 
   (3*s23^2*z2*z4)/(s12*s123*s34*z12*z34) - (3*s23^2*z2*z4)/
    (2*s12*s124*s34*z12*z34) - (7*s13*s23^2*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) - (s13*s23^2*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) - (3*s23^2*z2*z4)/(4*s12*s134*s34*z12*z34) - 
   (2*s13*s23^2*z2*z4)/(s12*s123*s134*s34*z12*z34) - 
   (2*s14*s23^2*z2*z4)/(s12^2*s123*s34*z12*z34) - 
   (2*s14*s23^2*z2*z4)/(s12^2*s124*s34*z12*z34) - 
   (2*s14*s23^2*z2*z4)/(s12*s123*s134*s34*z12*z34) - 
   (5*s23^3*z2*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (s23^3*z2*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (s12*z2*z4)/(2*s234*s34*z12*z34) - (3*s13*z2*z4)/(4*s234*s34*z12*z34) - 
   (s13^2*z2*z4)/(4*s12*s234*s34*z12*z34) - 
   (7*s14*z2*z4)/(4*s234*s34*z12*z34) - (7*s13*s14*z2*z4)/
    (4*s12*s234*s34*z12*z34) - (3*s14^2*z2*z4)/(2*s12*s234*s34*z12*z34) - 
   (11*s23*z2*z4)/(4*s234*s34*z12*z34) + (s12*s23*z2*z4)/
    (s123*s234*s34*z12*z34) - (2*s12*s23*z2*z4)/(s124*s234*s34*z12*z34) - 
   (3*s13*s23*z2*z4)/(2*s12*s234*s34*z12*z34) + 
   (2*s13*s23*z2*z4)/(s123*s234*s34*z12*z34) - 
   (2*s13*s23*z2*z4)/(s124*s234*s34*z12*z34) + 
   (s13^2*s23*z2*z4)/(s12*s123*s234*s34*z12*z34) - 
   (13*s14*s23*z2*z4)/(4*s12*s234*s34*z12*z34) + 
   (s14*s23*z2*z4)/(s123*s234*s34*z12*z34) - (4*s14*s23*z2*z4)/
    (s124*s234*s34*z12*z34) + (s13*s14*s23*z2*z4)/(s12*s123*s234*s34*z12*
     z34) - (2*s13*s14*s23*z2*z4)/(s12*s124*s234*s34*z12*z34) - 
   (2*s14^2*s23*z2*z4)/(s12*s124*s234*s34*z12*z34) - 
   (5*s23^2*z2*z4)/(4*s12*s234*s34*z12*z34) + 
   (2*s23^2*z2*z4)/(s123*s234*s34*z12*z34) - 
   (2*s23^2*z2*z4)/(s124*s234*s34*z12*z34) + (2*s13*s23^2*z2*z4)/
    (s12*s123*s234*s34*z12*z34) + (s14*s23^2*z2*z4)/
    (s12*s123*s234*s34*z12*z34) - (2*s14*s23^2*z2*z4)/
    (s12*s124*s234*s34*z12*z34) + (s23^3*z2*z4)/(s12*s123*s234*s34*z12*z34) - 
   (7*s24*z2*z4)/(s12*s34*z12*z34) - (5*s24*z2*z4)/(4*s123*s34*z12*z34) - 
   (3*s24*z2*z4)/(4*s124*s34*z12*z34) - (7*s13*s24*z2*z4)/
    (s12^2*s34*z12*z34) - (7*s13*s24*z2*z4)/(2*s12*s123*s34*z12*z34) - 
   (3*s13*s24*z2*z4)/(2*s12*s124*s34*z12*z34) - 
   (5*s13^2*s24*z2*z4)/(2*s12^2*s123*s34*z12*z34) - 
   (s13^2*s24*z2*z4)/(2*s12^2*s124*s34*z12*z34) - 
   (11*s24*z2*z4)/(4*s134*s34*z12*z34) - (7*s13*s24*z2*z4)/
    (2*s12*s134*s34*z12*z34) - (2*s13*s24*z2*z4)/(s123*s134*s34*z12*z34) + 
   (2*s13*s24*z2*z4)/(s124*s134*s34*z12*z34) - (2*s13^2*s24*z2*z4)/
    (s12*s123*s134*s34*z12*z34) + (s13^2*s24*z2*z4)/
    (s12*s124*s134*s34*z12*z34) - (10*s14*s24*z2*z4)/(s12^2*s34*z12*z34) - 
   (2*s14*s24*z2*z4)/(s12*s123*s34*z12*z34) - 
   (3*s14*s24*z2*z4)/(s12*s124*s34*z12*z34) - (5*s13*s14*s24*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) - (7*s13*s14*s24*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) - (17*s14*s24*z2*z4)/
    (4*s12*s134*s34*z12*z34) - (2*s14*s24*z2*z4)/(s123*s134*s34*z12*z34) + 
   (2*s14*s24*z2*z4)/(s124*s134*s34*z12*z34) - (2*s13*s14*s24*z2*z4)/
    (s12*s123*s134*s34*z12*z34) + (3*s13*s14*s24*z2*z4)/
    (s12*s124*s134*s34*z12*z34) - (3*s14^2*s24*z2*z4)/
    (s12^2*s124*s34*z12*z34) + (2*s14^2*s24*z2*z4)/
    (s12*s124*s134*s34*z12*z34) - (7*s23*s24*z2*z4)/(s12^2*s34*z12*z34) - 
   (17*s23*s24*z2*z4)/(4*s12*s123*s34*z12*z34) - 
   (13*s23*s24*z2*z4)/(4*s12*s124*s34*z12*z34) - 
   (5*s13*s23*s24*z2*z4)/(s12^2*s123*s34*z12*z34) - 
   (2*s13*s23*s24*z2*z4)/(s12^2*s124*s34*z12*z34) - 
   (2*s23*s24*z2*z4)/(s12*s134*s34*z12*z34) - (2*s13*s23*s24*z2*z4)/
    (s12*s123*s134*s34*z12*z34) + (s13*s23*s24*z2*z4)/
    (s12*s124*s134*s34*z12*z34) - (2*s14*s23*s24*z2*z4)/
    (s12^2*s123*s34*z12*z34) - (5*s14*s23*s24*z2*z4)/
    (s12^2*s124*s34*z12*z34) - (2*s14*s23*s24*z2*z4)/
    (s12*s123*s134*s34*z12*z34) + (s14*s23*s24*z2*z4)/
    (s12*s124*s134*s34*z12*z34) - (5*s23^2*s24*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) - (3*s23^2*s24*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) - (9*s24*z2*z4)/(4*s234*s34*z12*z34) + 
   (s12*s24*z2*z4)/(s123*s234*s34*z12*z34) - (2*s12*s24*z2*z4)/
    (s124*s234*s34*z12*z34) - (3*s13*s24*z2*z4)/(2*s12*s234*s34*z12*z34) + 
   (2*s13*s24*z2*z4)/(s123*s234*s34*z12*z34) - 
   (2*s13*s24*z2*z4)/(s124*s234*s34*z12*z34) + 
   (s13^2*s24*z2*z4)/(s12*s123*s234*s34*z12*z34) - 
   (13*s14*s24*z2*z4)/(4*s12*s234*s34*z12*z34) + 
   (s14*s24*z2*z4)/(s123*s234*s34*z12*z34) - (4*s14*s24*z2*z4)/
    (s124*s234*s34*z12*z34) + (s13*s14*s24*z2*z4)/(s12*s123*s234*s34*z12*
     z34) - (2*s13*s14*s24*z2*z4)/(s12*s124*s234*s34*z12*z34) - 
   (2*s14^2*s24*z2*z4)/(s12*s124*s234*s34*z12*z34) - 
   (3*s23*s24*z2*z4)/(s12*s234*s34*z12*z34) + 
   (3*s23*s24*z2*z4)/(s123*s234*s34*z12*z34) - 
   (6*s23*s24*z2*z4)/(s124*s234*s34*z12*z34) + (3*s13*s23*s24*z2*z4)/
    (s12*s123*s234*s34*z12*z34) - (2*s13*s23*s24*z2*z4)/
    (s12*s124*s234*s34*z12*z34) + (s14*s23*s24*z2*z4)/
    (s12*s123*s234*s34*z12*z34) - (6*s14*s23*s24*z2*z4)/
    (s12*s124*s234*s34*z12*z34) + (2*s23^2*s24*z2*z4)/
    (s12*s123*s234*s34*z12*z34) - (2*s23^2*s24*z2*z4)/
    (s12*s124*s234*s34*z12*z34) - (4*s24^2*z2*z4)/(s12^2*s34*z12*z34) - 
   (5*s24^2*z2*z4)/(4*s12*s123*s34*z12*z34) - 
   (7*s24^2*z2*z4)/(4*s12*s124*s34*z12*z34) - (3*s13*s24^2*z2*z4)/
    (2*s12^2*s123*s34*z12*z34) - (3*s13*s24^2*z2*z4)/
    (2*s12^2*s124*s34*z12*z34) - (5*s24^2*z2*z4)/(4*s12*s134*s34*z12*z34) + 
   (s13*s24^2*z2*z4)/(s12*s124*s134*s34*z12*z34) - 
   (3*s14*s24^2*z2*z4)/(s12^2*s124*s34*z12*z34) + 
   (s14*s24^2*z2*z4)/(s12*s124*s134*s34*z12*z34) - 
   (5*s23*s24^2*z2*z4)/(4*s12^2*s123*s34*z12*z34) - 
   (9*s23*s24^2*z2*z4)/(4*s12^2*s124*s34*z12*z34) - 
   (7*s24^2*z2*z4)/(4*s12*s234*s34*z12*z34) + 
   (s24^2*z2*z4)/(s123*s234*s34*z12*z34) - (4*s24^2*z2*z4)/
    (s124*s234*s34*z12*z34) + (s13*s24^2*z2*z4)/(s12*s123*s234*s34*z12*z34) - 
   (2*s13*s24^2*z2*z4)/(s12*s124*s234*s34*z12*z34) - 
   (4*s14*s24^2*z2*z4)/(s12*s124*s234*s34*z12*z34) + 
   (s23*s24^2*z2*z4)/(s12*s123*s234*s34*z12*z34) - 
   (4*s23*s24^2*z2*z4)/(s12*s124*s234*s34*z12*z34) - 
   (s24^3*z2*z4)/(s12^2*s124*s34*z12*z34) - (2*s24^3*z2*z4)/
    (s12*s124*s234*s34*z12*z34) - (3*s34*z2*z4)/(2*s12*s123*z12*z34) - 
   (s34*z2*z4)/(2*s12*s124*z12*z34) - (2*s13*s34*z2*z4)/
    (s12^2*s123*z12*z34) - (2*s34*z2*z4)/(s123*s134*z12*z34) + 
   (s34*z2*z4)/(s124*s134*z12*z34) - (2*s13*s34*z2*z4)/
    (s12*s123*s134*z12*z34) - (2*s14*s34*z2*z4)/(s12^2*s124*z12*z34) + 
   (s14*s34*z2*z4)/(s12*s124*s134*z12*z34) - 
   (s23*s34*z2*z4)/(s12^2*s123*z12*z34) - (2*s23*s34*z2*z4)/
    (s12*s123*s134*z12*z34) + (s34*z2*z4)/(s123*s234*z12*z34) - 
   (2*s34*z2*z4)/(s124*s234*z12*z34) + (s13*s34*z2*z4)/
    (s12*s123*s234*z12*z34) - (2*s14*s34*z2*z4)/(s12*s124*s234*z12*z34) + 
   (s23*s34*z2*z4)/(s12*s123*s234*z12*z34) - 
   (s24*s34*z2*z4)/(s12^2*s124*z12*z34) + (s24*s34*z2*z4)/
    (s12*s124*s134*z12*z34) - (2*s24*s34*z2*z4)/(s12*s124*s234*z12*z34) - 
   (z3*z4)/(2*s123*z12*z34) - (3*z3*z4)/(2*s124*z12*z34) + 
   (s13*z3*z4)/(2*s12*s123*z12*z34) - (s13*z3*z4)/(2*s12*s124*z12*z34) - 
   (z3*z4)/(2*s134*z12*z34) + (s14*z3*z4)/(s12*s123*z12*z34) - 
   (s14*z3*z4)/(s12*s124*z12*z34) + (s23*z3*z4)/(2*s12*s123*z12*z34) - 
   (s23*z3*z4)/(2*s12*s124*z12*z34) - (z3*z4)/(2*s234*z12*z34) + 
   (s24*z3*z4)/(s12*s123*z12*z34) - (s24*z3*z4)/(s12*s124*z12*z34) - 
   (3*s12*z3*z4)/(s34^2*z12*z34) - (4*s13*z3*z4)/(s34^2*z12*z34) - 
   (s13^2*z3*z4)/(s12*s34^2*z12*z34) - (s12*s13*z3*z4)/
    (4*s134*s34^2*z12*z34) - (s13^2*z3*z4)/(4*s134*s34^2*z12*z34) - 
   (4*s14*z3*z4)/(s34^2*z12*z34) - (2*s13*s14*z3*z4)/(s12*s34^2*z12*z34) - 
   (s12*s14*z3*z4)/(4*s134*s34^2*z12*z34) - (s13*s14*z3*z4)/
    (2*s134*s34^2*z12*z34) - (s14^2*z3*z4)/(s12*s34^2*z12*z34) - 
   (s14^2*z3*z4)/(4*s134*s34^2*z12*z34) - (4*s23*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s23*z3*z4)/(s12*s34^2*z12*z34) - (3*s12*s23*z3*z4)/
    (4*s134*s34^2*z12*z34) - (5*s13*s23*z3*z4)/(4*s134*s34^2*z12*z34) - 
   (s13^2*s23*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (2*s14*s23*z3*z4)/(s12*s34^2*z12*z34) - (5*s14*s23*z3*z4)/
    (4*s134*s34^2*z12*z34) - (s13*s14*s23*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^2*s23*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s23^2*z3*z4)/(s12*s34^2*z12*z34) - (s23^2*z3*z4)/(s134*s34^2*z12*z34) - 
   (s13*s23^2*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s23^2*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s23^3*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (s12*s13*z3*z4)/(4*s234*s34^2*z12*z34) - 
   (s13^2*z3*z4)/(4*s234*s34^2*z12*z34) - (s12*s14*z3*z4)/
    (4*s234*s34^2*z12*z34) - (s13*s14*z3*z4)/(2*s234*s34^2*z12*z34) - 
   (s14^2*z3*z4)/(4*s234*s34^2*z12*z34) + (s12*s23*z3*z4)/
    (4*s234*s34^2*z12*z34) + (s13*s23*z3*z4)/(4*s234*s34^2*z12*z34) + 
   (s13^2*s23*z3*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s14*s23*z3*z4)/(4*s234*s34^2*z12*z34) + (s13*s14*s23*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s23*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) + (s23^2*z3*z4)/(2*s234*s34^2*z12*z34) + 
   (s13*s23^2*z3*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s14*s23^2*z3*z4)/(2*s12*s234*s34^2*z12*z34) + 
   (s23^3*z3*z4)/(4*s12*s234*s34^2*z12*z34) - (4*s24*z3*z4)/(s34^2*z12*z34) - 
   (2*s13*s24*z3*z4)/(s12*s34^2*z12*z34) - (3*s12*s24*z3*z4)/
    (4*s134*s34^2*z12*z34) - (5*s13*s24*z3*z4)/(4*s134*s34^2*z12*z34) - 
   (s13^2*s24*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (2*s14*s24*z3*z4)/(s12*s34^2*z12*z34) - (5*s14*s24*z3*z4)/
    (4*s134*s34^2*z12*z34) - (s13*s14*s24*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14^2*s24*z3*z4)/(4*s12*s134*s34^2*z12*z34) - 
   (2*s23*s24*z3*z4)/(s12*s34^2*z12*z34) - (2*s23*s24*z3*z4)/
    (s134*s34^2*z12*z34) - (s13*s23*s24*z3*z4)/(s12*s134*s34^2*z12*z34) - 
   (s14*s23*s24*z3*z4)/(s12*s134*s34^2*z12*z34) - 
   (3*s23^2*s24*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s12*s24*z3*z4)/(4*s234*s34^2*z12*z34) + (s13*s24*z3*z4)/
    (4*s234*s34^2*z12*z34) + (s13^2*s24*z3*z4)/(4*s12*s234*s34^2*z12*z34) + 
   (s14*s24*z3*z4)/(4*s234*s34^2*z12*z34) + (s13*s14*s24*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14^2*s24*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) + (s23*s24*z3*z4)/(s234*s34^2*z12*z34) + 
   (s13*s23*s24*z3*z4)/(s12*s234*s34^2*z12*z34) + 
   (s14*s23*s24*z3*z4)/(s12*s234*s34^2*z12*z34) + 
   (3*s23^2*s24*z3*z4)/(4*s12*s234*s34^2*z12*z34) - 
   (s24^2*z3*z4)/(s12*s34^2*z12*z34) - (s24^2*z3*z4)/(s134*s34^2*z12*z34) - 
   (s13*s24^2*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (s14*s24^2*z3*z4)/(2*s12*s134*s34^2*z12*z34) - 
   (3*s23*s24^2*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s24^2*z3*z4)/(2*s234*s34^2*z12*z34) + (s13*s24^2*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) + (s14*s24^2*z3*z4)/
    (2*s12*s234*s34^2*z12*z34) + (3*s23*s24^2*z3*z4)/
    (4*s12*s234*s34^2*z12*z34) - (s24^3*z3*z4)/(4*s12*s134*s34^2*z12*z34) + 
   (s24^3*z3*z4)/(4*s12*s234*s34^2*z12*z34) - (3*z3*z4)/(s34*z12*z34) - 
   (3*s12*z3*z4)/(2*s123*s34*z12*z34) - (3*s12*z3*z4)/(2*s124*s34*z12*z34) - 
   (s13*z3*z4)/(s12*s34*z12*z34) - (2*s13*z3*z4)/(s123*s34*z12*z34) - 
   (2*s13*z3*z4)/(s124*s34*z12*z34) - (s13^2*z3*z4)/
    (2*s12*s123*s34*z12*z34) - (s13^2*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s12*z3*z4)/(2*s134*s34*z12*z34) - (3*s13*z3*z4)/(4*s134*s34*z12*z34) - 
   (s14*z3*z4)/(s12*s34*z12*z34) - (3*s14*z3*z4)/(2*s123*s34*z12*z34) - 
   (5*s14*z3*z4)/(2*s124*s34*z12*z34) - (s13*s14*z3*z4)/
    (2*s12*s123*s34*z12*z34) - (3*s13*s14*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (3*s14*z3*z4)/(4*s134*s34*z12*z34) - (s14^2*z3*z4)/
    (s12*s124*s34*z12*z34) - (s23*z3*z4)/(s12*s34*z12*z34) - 
   (2*s23*z3*z4)/(s123*s34*z12*z34) - (2*s23*z3*z4)/(s124*s34*z12*z34) - 
   (s13*s23*z3*z4)/(s12*s123*s34*z12*z34) - (s13*s23*z3*z4)/
    (s12*s124*s34*z12*z34) - (5*s23*z3*z4)/(4*s134*s34*z12*z34) - 
   (s13*s23*z3*z4)/(4*s12*s134*s34*z12*z34) - 
   (s14*s23*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (3*s14*s23*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s14*s23*z3*z4)/(4*s12*s134*s34*z12*z34) - 
   (s23^2*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (s23^2*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s23^2*z3*z4)/(4*s12*s134*s34*z12*z34) - 
   (s12*z3*z4)/(2*s234*s34*z12*z34) - (3*s13*z3*z4)/(4*s234*s34*z12*z34) - 
   (3*s14*z3*z4)/(4*s234*s34*z12*z34) - (s23*z3*z4)/(4*s234*s34*z12*z34) + 
   (s13*s23*z3*z4)/(4*s12*s234*s34*z12*z34) + 
   (s14*s23*z3*z4)/(4*s12*s234*s34*z12*z34) + 
   (s23^2*z3*z4)/(4*s12*s234*s34*z12*z34) - (s24*z3*z4)/(s12*s34*z12*z34) - 
   (3*s24*z3*z4)/(2*s123*s34*z12*z34) - (5*s24*z3*z4)/(2*s124*s34*z12*z34) - 
   (s13*s24*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (3*s13*s24*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (5*s24*z3*z4)/(4*s134*s34*z12*z34) - (s13*s24*z3*z4)/
    (4*s12*s134*s34*z12*z34) - (2*s14*s24*z3*z4)/(s12*s124*s34*z12*z34) - 
   (s14*s24*z3*z4)/(4*s12*s134*s34*z12*z34) - 
   (s23*s24*z3*z4)/(2*s12*s123*s34*z12*z34) - 
   (3*s23*s24*z3*z4)/(2*s12*s124*s34*z12*z34) - 
   (s23*s24*z3*z4)/(2*s12*s134*s34*z12*z34) - 
   (s24*z3*z4)/(4*s234*s34*z12*z34) + (s13*s24*z3*z4)/
    (4*s12*s234*s34*z12*z34) + (s14*s24*z3*z4)/(4*s12*s234*s34*z12*z34) + 
   (s23*s24*z3*z4)/(2*s12*s234*s34*z12*z34) - 
   (s24^2*z3*z4)/(s12*s124*s34*z12*z34) - 
   (s24^2*z3*z4)/(4*s12*s134*s34*z12*z34) + 
   (s24^2*z3*z4)/(4*s12*s234*s34*z12*z34) + (s34*z3*z4)/(s12*s123*z12*z34) - 
   (2*z3*z4^2)/(s12*z12*z34^2) + (2*s12*z3*z4^2)/(s34^2*z12*z34^2) + 
   (2*s13*z3*z4^2)/(s34^2*z12*z34^2) + (2*s14*z3*z4^2)/(s34^2*z12*z34^2) + 
   (2*s23*z3*z4^2)/(s34^2*z12*z34^2) + (2*s24*z3*z4^2)/(s34^2*z12*z34^2) - 
   (2*s13*z3*z4^2)/(s12*s34*z12*z34^2) - (2*s14*z3*z4^2)/
    (s12*s34*z12*z34^2) - (2*s23*z3*z4^2)/(s12*s34*z12*z34^2) - 
   (2*s24*z3*z4^2)/(s12*s34*z12*z34^2) + (2*z4^2)/(s12*z12*z34) - 
   z4^2/(2*s123*z12*z34) + z4^2/(2*s124*z12*z34) - 
   (s13*z4^2)/(2*s12*s123*z12*z34) + (3*s13*z4^2)/(2*s12*s124*z12*z34) + 
   z4^2/(2*s134*z12*z34) + (s14*z4^2)/(s12*s124*z12*z34) - 
   (s23*z4^2)/(2*s12*s123*z12*z34) + (3*s23*z4^2)/(2*s12*s124*z12*z34) + 
   z4^2/(2*s234*z12*z34) + (s24*z4^2)/(s12*s124*z12*z34) - 
   (s12*z4^2)/(s34^2*z12*z34) + (s13^2*z4^2)/(s12*s34^2*z12*z34) + 
   (s12*s13*z4^2)/(4*s134*s34^2*z12*z34) + 
   (s13^2*z4^2)/(4*s134*s34^2*z12*z34) - (s14*z4^2)/(s34^2*z12*z34) + 
   (s13*s14*z4^2)/(s12*s34^2*z12*z34) + (s12*s14*z4^2)/
    (4*s134*s34^2*z12*z34) + (s13*s14*z4^2)/(2*s134*s34^2*z12*z34) + 
   (s14^2*z4^2)/(4*s134*s34^2*z12*z34) + (2*s13*s23*z4^2)/
    (s12*s34^2*z12*z34) + (3*s12*s23*z4^2)/(4*s134*s34^2*z12*z34) + 
   (5*s13*s23*z4^2)/(4*s134*s34^2*z12*z34) + (s13^2*s23*z4^2)/
    (4*s12*s134*s34^2*z12*z34) + (s14*s23*z4^2)/(s12*s34^2*z12*z34) + 
   (5*s14*s23*z4^2)/(4*s134*s34^2*z12*z34) + (s13*s14*s23*z4^2)/
    (2*s12*s134*s34^2*z12*z34) + (s14^2*s23*z4^2)/
    (4*s12*s134*s34^2*z12*z34) + (s23^2*z4^2)/(s12*s34^2*z12*z34) + 
   (s23^2*z4^2)/(s134*s34^2*z12*z34) + (s13*s23^2*z4^2)/
    (2*s12*s134*s34^2*z12*z34) + (s14*s23^2*z4^2)/
    (2*s12*s134*s34^2*z12*z34) + (s23^3*z4^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s12*s13*z4^2)/(4*s234*s34^2*z12*z34) + 
   (s13^2*z4^2)/(4*s234*s34^2*z12*z34) + (s12*s14*z4^2)/
    (4*s234*s34^2*z12*z34) + (s13*s14*z4^2)/(2*s234*s34^2*z12*z34) + 
   (s14^2*z4^2)/(4*s234*s34^2*z12*z34) - (s12*s23*z4^2)/
    (4*s234*s34^2*z12*z34) - (s13*s23*z4^2)/(4*s234*s34^2*z12*z34) - 
   (s13^2*s23*z4^2)/(4*s12*s234*s34^2*z12*z34) - 
   (s14*s23*z4^2)/(4*s234*s34^2*z12*z34) - (s13*s14*s23*z4^2)/
    (2*s12*s234*s34^2*z12*z34) - (s14^2*s23*z4^2)/
    (4*s12*s234*s34^2*z12*z34) - (s23^2*z4^2)/(2*s234*s34^2*z12*z34) - 
   (s13*s23^2*z4^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s14*s23^2*z4^2)/(2*s12*s234*s34^2*z12*z34) - 
   (s23^3*z4^2)/(4*s12*s234*s34^2*z12*z34) - (s24*z4^2)/(s34^2*z12*z34) + 
   (s13*s24*z4^2)/(s12*s34^2*z12*z34) + (s12*s24*z4^2)/
    (4*s134*s34^2*z12*z34) + (s13*s24*z4^2)/(2*s134*s34^2*z12*z34) + 
   (s14*s24*z4^2)/(2*s134*s34^2*z12*z34) + 
   (s23*s24*z4^2)/(s12*s34^2*z12*z34) + (5*s23*s24*z4^2)/
    (4*s134*s34^2*z12*z34) + (s13*s23*s24*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s14*s23*s24*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s23^2*s24*z4^2)/(2*s12*s134*s34^2*z12*z34) + 
   (s12*s24*z4^2)/(4*s234*s34^2*z12*z34) + 
   (s13*s24*z4^2)/(2*s234*s34^2*z12*z34) + 
   (s14*s24*z4^2)/(2*s234*s34^2*z12*z34) - 
   (s23*s24*z4^2)/(4*s234*s34^2*z12*z34) - (s13*s23*s24*z4^2)/
    (2*s12*s234*s34^2*z12*z34) - (s14*s23*s24*z4^2)/
    (2*s12*s234*s34^2*z12*z34) - (s23^2*s24*z4^2)/
    (2*s12*s234*s34^2*z12*z34) + (s24^2*z4^2)/(4*s134*s34^2*z12*z34) + 
   (s23*s24^2*z4^2)/(4*s12*s134*s34^2*z12*z34) + 
   (s24^2*z4^2)/(4*s234*s34^2*z12*z34) - (s23*s24^2*z4^2)/
    (4*s12*s234*s34^2*z12*z34) + z4^2/(s34*z12*z34) - 
   (s12*z4^2)/(2*s123*s34*z12*z34) - (s12*z4^2)/(2*s124*s34*z12*z34) + 
   (3*s13*z4^2)/(s12*s34*z12*z34) - (s13*z4^2)/(s123*s34*z12*z34) - 
   (s13^2*z4^2)/(2*s12*s123*s34*z12*z34) + 
   (s13^2*z4^2)/(2*s12*s124*s34*z12*z34) + (s12*z4^2)/(2*s134*s34*z12*z34) + 
   (3*s13*z4^2)/(4*s134*s34*z12*z34) + (2*s14*z4^2)/(s12*s34*z12*z34) - 
   (s14*z4^2)/(2*s123*s34*z12*z34) - (s14*z4^2)/(2*s124*s34*z12*z34) - 
   (s13*s14*z4^2)/(2*s12*s123*s34*z12*z34) + 
   (s13*s14*z4^2)/(2*s12*s124*s34*z12*z34) + 
   (3*s14*z4^2)/(4*s134*s34*z12*z34) + (3*s23*z4^2)/(s12*s34*z12*z34) - 
   (s23*z4^2)/(s123*s34*z12*z34) - (s13*s23*z4^2)/(s12*s123*s34*z12*z34) + 
   (s13*s23*z4^2)/(s12*s124*s34*z12*z34) + 
   (5*s23*z4^2)/(4*s134*s34*z12*z34) + (s13*s23*z4^2)/
    (4*s12*s134*s34*z12*z34) - (s14*s23*z4^2)/(2*s12*s123*s34*z12*z34) + 
   (s14*s23*z4^2)/(2*s12*s124*s34*z12*z34) + 
   (s14*s23*z4^2)/(4*s12*s134*s34*z12*z34) - 
   (s23^2*z4^2)/(2*s12*s123*s34*z12*z34) + 
   (s23^2*z4^2)/(2*s12*s124*s34*z12*z34) + 
   (s23^2*z4^2)/(4*s12*s134*s34*z12*z34) + (s12*z4^2)/(2*s234*s34*z12*z34) + 
   (3*s13*z4^2)/(4*s234*s34*z12*z34) + (3*s14*z4^2)/(4*s234*s34*z12*z34) + 
   (s23*z4^2)/(4*s234*s34*z12*z34) - (s13*s23*z4^2)/
    (4*s12*s234*s34*z12*z34) - (s14*s23*z4^2)/(4*s12*s234*s34*z12*z34) - 
   (s23^2*z4^2)/(4*s12*s234*s34*z12*z34) + (2*s24*z4^2)/(s12*s34*z12*z34) - 
   (s24*z4^2)/(2*s123*s34*z12*z34) - (s24*z4^2)/(2*s124*s34*z12*z34) - 
   (s13*s24*z4^2)/(2*s12*s123*s34*z12*z34) + 
   (s13*s24*z4^2)/(2*s12*s124*s34*z12*z34) + 
   (3*s24*z4^2)/(4*s134*s34*z12*z34) - (s23*s24*z4^2)/
    (2*s12*s123*s34*z12*z34) + (s23*s24*z4^2)/(2*s12*s124*s34*z12*z34) + 
   (s23*s24*z4^2)/(4*s12*s134*s34*z12*z34) + 
   (3*s24*z4^2)/(4*s234*s34*z12*z34) - (s23*s24*z4^2)/
    (4*s12*s234*s34*z12*z34) + (s34*z4^2)/(s12*s124*z12*z34))
